From 5d35eddc82e4379feb65e8da1130743cd27c3f36 Mon Sep 17 00:00:00 2001 From: Konstantin Delchev Date: Tue, 15 Dec 2015 22:38:21 +0200 Subject: [PATCH 01/42] Update version to 3.5.11 --- CHANGELOG.md | 3 + README.md | 2 +- app/assets/javascripts/d3.js | 316 ++++++++++++++++------------ app/assets/javascripts/d3.min.js | 10 +- app/assets/javascripts/d3.v3.js | 316 ++++++++++++++++------------ app/assets/javascripts/d3.v3.min.js | 10 +- lib/d3/rails/version.rb | 2 +- 7 files changed, 379 insertions(+), 280 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 05e5144..dd8d5bb 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## 3.5.11 (15 December 2015) +* Upgrade D3 to 3.5.11 + ## 3.5.6 (29 July 2015) * Upgrade D3 to 3.5.6 diff --git a/README.md b/README.md index 6a08ac9..36406af 100644 --- a/README.md +++ b/README.md @@ -6,7 +6,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 3.5.6 of D3.js. and will track the always +d3-rails comes with version 3.5.11 of D3.js. and will track the always mirror the version of D3 it comes with. diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index e4d8664..1a3e67e 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,6 +1,6 @@ !function() { var d3 = { - version: "3.5.6" + version: "3.5.11" }; var d3_arraySlice = [].slice, d3_array = function(list) { return d3_arraySlice.call(list); @@ -631,10 +631,7 @@ prefix: d3_nsPrefix, qualify: function(name) { var i = name.indexOf(":"), prefix = name; - if (i >= 0) { - prefix = name.slice(0, i); - name = name.slice(i + 1); - } + if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); return d3_nsPrefix.hasOwnProperty(prefix) ? { space: d3_nsPrefix[prefix], local: name @@ -845,12 +842,14 @@ if (key) { var nodeByKeyValue = new d3_Map(), keyValues = new Array(n), keyValue; for (i = -1; ++i < n; ) { - if (nodeByKeyValue.has(keyValue = key.call(node = group[i], node.__data__, i))) { - exitNodes[i] = node; - } else { - nodeByKeyValue.set(keyValue, node); + if (node = group[i]) { + if (nodeByKeyValue.has(keyValue = key.call(node, node.__data__, i))) { + exitNodes[i] = node; + } else { + nodeByKeyValue.set(keyValue, node); + } + keyValues[i] = keyValue; } - keyValues[i] = keyValue; } for (i = -1; ++i < m; ) { if (!(node = nodeByKeyValue.get(keyValue = key.call(groupData, nodeData = groupData[i], i)))) { @@ -862,7 +861,7 @@ nodeByKeyValue.set(keyValue, true); } for (i = -1; ++i < n; ) { - if (nodeByKeyValue.get(keyValues[i]) !== true) { + if (i in keyValues && nodeByKeyValue.get(keyValues[i]) !== true) { exitNodes[i] = group[i]; } } @@ -1054,7 +1053,7 @@ group = d3_array(d3_selectAll(nodes, d3_document)); group.parentNode = d3_document.documentElement; } else { - group = nodes; + group = d3_array(nodes); group.parentNode = null; } return d3_selection([ group ]); @@ -1233,7 +1232,7 @@ function ended() { if (!position(parent, dragId)) return; dragSubject.on(move + dragName, null).on(end + dragName, null); - dragRestore(dragged && d3.event.target === target); + dragRestore(dragged); dispatch({ type: "dragend" }); @@ -1285,18 +1284,22 @@ } var ρ = Math.SQRT2, ρ2 = 2, ρ4 = 4; d3.interpolateZoom = function(p0, p1) { - var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2]; - var dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + ρ4 * d2) / (2 * w0 * ρ2 * d1), b1 = (w1 * w1 - w0 * w0 - ρ4 * d2) / (2 * w1 * ρ2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1), dr = r1 - r0, S = (dr || Math.log(w1 / w0)) / ρ; - function interpolate(t) { - var s = t * S; - if (dr) { - var coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0)); + var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2], dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, i, S; + if (d2 < ε2) { + S = Math.log(w1 / w0) / ρ; + i = function(t) { + return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * t * S) ]; + }; + } else { + var d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + ρ4 * d2) / (2 * w0 * ρ2 * d1), b1 = (w1 * w1 - w0 * w0 - ρ4 * d2) / (2 * w1 * ρ2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); + S = (r1 - r0) / ρ; + i = function(t) { + var s = t * S, coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0)); return [ ux0 + u * dx, uy0 + u * dy, w0 * coshr0 / d3_cosh(ρ * s + r0) ]; - } - return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * s) ]; + }; } - interpolate.duration = S * 1e3; - return interpolate; + i.duration = S * 1e3; + return i; }; d3.behavior.zoom = function() { var view = { @@ -1366,8 +1369,9 @@ view = { x: view.x, y: view.y, - k: +_ + k: null }; + scaleTo(+_); rescale(); return zoom; }; @@ -1466,7 +1470,7 @@ }), center0 = null; } function mousedowned() { - var that = this, target = d3.event.target, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window(that)).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress(that); + var that = this, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window(that)).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress(that); d3_selection_interrupt.call(that); zoomstarted(dispatch); function moved() { @@ -1476,7 +1480,7 @@ } function ended() { subject.on(mousemove, null).on(mouseup, null); - dragRestore(dragged && d3.event.target === target); + dragRestore(dragged); zoomended(dispatch); } } @@ -2114,17 +2118,19 @@ }; d3.csv = d3.dsv(",", "text/csv"); d3.tsv = d3.dsv(" ", "text/tab-separated-values"); - var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_active, d3_timer_frame = this[d3_vendorSymbol(this, "requestAnimationFrame")] || function(callback) { + var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_frame = this[d3_vendorSymbol(this, "requestAnimationFrame")] || function(callback) { setTimeout(callback, 17); }; - d3.timer = function(callback, delay, then) { + d3.timer = function() { + d3_timer.apply(this, arguments); + }; + function d3_timer(callback, delay, then) { var n = arguments.length; if (n < 2) delay = 0; if (n < 3) then = Date.now(); var time = then + delay, timer = { c: callback, t: time, - f: false, n: null }; if (d3_timer_queueTail) d3_timer_queueTail.n = timer; else d3_timer_queueHead = timer; @@ -2134,7 +2140,8 @@ d3_timer_interval = 1; d3_timer_frame(d3_timer_step); } - }; + return timer; + } function d3_timer_step() { var now = d3_timer_mark(), delay = d3_timer_sweep() - now; if (delay > 24) { @@ -2153,22 +2160,21 @@ d3_timer_sweep(); }; function d3_timer_mark() { - var now = Date.now(); - d3_timer_active = d3_timer_queueHead; - while (d3_timer_active) { - if (now >= d3_timer_active.t) d3_timer_active.f = d3_timer_active.c(now - d3_timer_active.t); - d3_timer_active = d3_timer_active.n; + var now = Date.now(), timer = d3_timer_queueHead; + while (timer) { + if (now >= timer.t && timer.c(now - timer.t)) timer.c = null; + timer = timer.n; } return now; } function d3_timer_sweep() { var t0, t1 = d3_timer_queueHead, time = Infinity; while (t1) { - if (t1.f) { - t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n; - } else { + if (t1.c) { if (t1.t < time) time = t1.t; t1 = (t0 = t1).n; + } else { + t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n; } } d3_timer_queueTail = t0; @@ -2183,7 +2189,7 @@ var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix); d3.formatPrefix = function(value, precision) { var i = 0; - if (value) { + if (value = +value) { if (value < 0) value *= -1; if (precision) value = d3.round(value, d3_format_precision(value, precision)); i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10); @@ -2533,7 +2539,8 @@ if (i != string.length) return null; if ("p" in d) d.H = d.H % 12 + d.p * 12; var localZ = d.Z != null && d3_date !== d3_date_utc, date = new (localZ ? d3_date_utc : d3_date)(); - if ("j" in d) date.setFullYear(d.y, 0, d.j); else if ("w" in d && ("W" in d || "U" in d)) { + if ("j" in d) date.setFullYear(d.y, 0, d.j); else if ("W" in d || "U" in d) { + if (!("w" in d)) d.w = "W" in d ? 1 : 0; date.setFullYear(d.y, 0, 1); date.setFullYear(d.y, 0, "W" in d ? (d.w + 6) % 7 + d.W * 7 - (date.getDay() + 5) % 7 : d.w + d.U * 7 - (date.getDay() + 6) % 7); } else date.setFullYear(d.y, d.m, d.d); @@ -5985,54 +5992,68 @@ f: 0 }; d3.interpolateTransform = d3_interpolateTransform; - function d3_interpolateTransform(a, b) { - var s = [], q = [], n, A = d3.transform(a), B = d3.transform(b), ta = A.translate, tb = B.translate, ra = A.rotate, rb = B.rotate, wa = A.skew, wb = B.skew, ka = A.scale, kb = B.scale; - if (ta[0] != tb[0] || ta[1] != tb[1]) { - s.push("translate(", null, ",", null, ")"); + function d3_interpolateTransformPop(s) { + return s.length ? s.pop() + "," : ""; + } + function d3_interpolateTranslate(ta, tb, s, q) { + if (ta[0] !== tb[0] || ta[1] !== tb[1]) { + var i = s.push("translate(", null, ",", null, ")"); q.push({ - i: 1, + i: i - 4, x: d3_interpolateNumber(ta[0], tb[0]) }, { - i: 3, + i: i - 2, x: d3_interpolateNumber(ta[1], tb[1]) }); } else if (tb[0] || tb[1]) { s.push("translate(" + tb + ")"); - } else { - s.push(""); } - if (ra != rb) { + } + function d3_interpolateRotate(ra, rb, s, q) { + if (ra !== rb) { if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360; q.push({ - i: s.push(s.pop() + "rotate(", null, ")") - 2, + i: s.push(d3_interpolateTransformPop(s) + "rotate(", null, ")") - 2, x: d3_interpolateNumber(ra, rb) }); } else if (rb) { - s.push(s.pop() + "rotate(" + rb + ")"); + s.push(d3_interpolateTransformPop(s) + "rotate(" + rb + ")"); } - if (wa != wb) { + } + function d3_interpolateSkew(wa, wb, s, q) { + if (wa !== wb) { q.push({ - i: s.push(s.pop() + "skewX(", null, ")") - 2, + i: s.push(d3_interpolateTransformPop(s) + "skewX(", null, ")") - 2, x: d3_interpolateNumber(wa, wb) }); } else if (wb) { - s.push(s.pop() + "skewX(" + wb + ")"); + s.push(d3_interpolateTransformPop(s) + "skewX(" + wb + ")"); } - if (ka[0] != kb[0] || ka[1] != kb[1]) { - n = s.push(s.pop() + "scale(", null, ",", null, ")"); + } + function d3_interpolateScale(ka, kb, s, q) { + if (ka[0] !== kb[0] || ka[1] !== kb[1]) { + var i = s.push(d3_interpolateTransformPop(s) + "scale(", null, ",", null, ")"); q.push({ - i: n - 4, + i: i - 4, x: d3_interpolateNumber(ka[0], kb[0]) }, { - i: n - 2, + i: i - 2, x: d3_interpolateNumber(ka[1], kb[1]) }); - } else if (kb[0] != 1 || kb[1] != 1) { - s.push(s.pop() + "scale(" + kb + ")"); + } else if (kb[0] !== 1 || kb[1] !== 1) { + s.push(d3_interpolateTransformPop(s) + "scale(" + kb + ")"); } - n = q.length; + } + function d3_interpolateTransform(a, b) { + var s = [], q = []; + a = d3.transform(a), b = d3.transform(b); + d3_interpolateTranslate(a.translate, b.translate, s, q); + d3_interpolateRotate(a.rotate, b.rotate, s, q); + d3_interpolateSkew(a.skew, b.skew, s, q); + d3_interpolateScale(a.scale, b.scale, s, q); + a = b = null; return function(t) { - var i = -1, o; + var i = -1, n = q.length, o; while (++i < n) s[(o = q[i]).i] = o.x(t); return s.join(""); }; @@ -6136,7 +6157,7 @@ index: di, startAngle: x0, endAngle: x, - value: (x - x0) / k + value: groupSums[di] }; x += padding; } @@ -6204,7 +6225,7 @@ return chord; }; d3.layout.force = function() { - var force = {}, event = d3.dispatch("start", "tick", "end"), size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, chargeDistance2 = d3_layout_forceChargeDistance2, gravity = .1, theta2 = .64, nodes = [], links = [], distances, strengths, charges; + var force = {}, event = d3.dispatch("start", "tick", "end"), timer, size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, chargeDistance2 = d3_layout_forceChargeDistance2, gravity = .1, theta2 = .64, nodes = [], links = [], distances, strengths, charges; function repulse(node) { return function(quad, x1, _, x2) { if (quad.point !== node) { @@ -6228,6 +6249,7 @@ } force.tick = function() { if ((alpha *= .99) < .005) { + timer = null; event.end({ type: "end", alpha: alpha = 0 @@ -6245,7 +6267,7 @@ l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l; x *= l; y *= l; - t.x -= x * (k = s.weight / (t.weight + s.weight)); + t.x -= x * (k = s.weight + t.weight ? s.weight / (s.weight + t.weight) : .5); t.y -= y * k; s.x += x * (k = 1 - k); s.y += y * k; @@ -6341,13 +6363,21 @@ if (!arguments.length) return alpha; x = +x; if (alpha) { - if (x > 0) alpha = x; else alpha = 0; + if (x > 0) { + alpha = x; + } else { + timer.c = null, timer.t = NaN, timer = null; + event.end({ + type: "end", + alpha: alpha = 0 + }); + } } else if (x > 0) { event.start({ type: "start", alpha: alpha = x }); - d3.timer(force.tick); + timer = d3_timer(force.tick); } return force; }; @@ -6601,7 +6631,7 @@ function pie(data) { var n = data.length, values = data.map(function(d, i) { return +value.call(pie, d, i); - }), a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle), da = (typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a, p = Math.min(Math.abs(da) / n, +(typeof padAngle === "function" ? padAngle.apply(this, arguments) : padAngle)), pa = p * (da < 0 ? -1 : 1), k = (da - n * pa) / d3.sum(values), index = d3.range(n), arcs = [], v; + }), a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle), da = (typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a, p = Math.min(Math.abs(da) / n, +(typeof padAngle === "function" ? padAngle.apply(this, arguments) : padAngle)), pa = p * (da < 0 ? -1 : 1), sum = d3.sum(values), k = sum ? (da - n * pa) / sum : 0, index = d3.range(n), arcs = [], v; if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) { return values[j] - values[i]; } : function(i, j) { @@ -7314,10 +7344,8 @@ } function treemap(d) { var nodes = stickies || hierarchy(d), root = nodes[0]; - root.x = 0; - root.y = 0; - root.dx = size[0]; - root.dy = size[1]; + root.x = root.y = 0; + if (root.value) root.dx = size[0], root.dy = size[1]; else root.dx = root.dy = 0; if (stickies) hierarchy.revalue(root); scale([ root ], root.dx * root.dy / root.value); (stickies ? stickify : squarify)(root); @@ -7639,10 +7667,11 @@ scale.tickFormat = function(n, format) { if (!arguments.length) return d3_scale_logFormat; if (arguments.length < 2) format = d3_scale_logFormat; else if (typeof format !== "function") format = d3.format(format); - var k = Math.max(.1, n / scale.ticks().length), f = positive ? (e = 1e-12, Math.ceil) : (e = -1e-12, - Math.floor), e; + var k = Math.max(1, base * n / scale.ticks().length); return function(d) { - return d / pow(f(log(d) + e)) <= k ? format(d) : ""; + var i = d / pow(Math.round(log(d))); + if (i * base < base - .5) i *= base; + return i <= k ? format(d) : ""; }; }; scale.copy = function() { @@ -7981,11 +8010,16 @@ } else { x2 = y2 = 0; } - if ((rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments))) > .001) { + if (da > ε && (rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments))) > .001) { cr = r0 < r1 ^ cw ? 0 : 1; - var oc = x3 == null ? [ x2, y2 ] : x1 == null ? [ x0, y0 ] : d3_geom_polygonIntersect([ x0, y0 ], [ x3, y3 ], [ x1, y1 ], [ x2, y2 ]), ax = x0 - oc[0], ay = y0 - oc[1], bx = x1 - oc[0], by = y1 - oc[1], kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]); + var rc1 = rc, rc0 = rc; + if (da < π) { + var oc = x3 == null ? [ x2, y2 ] : x1 == null ? [ x0, y0 ] : d3_geom_polygonIntersect([ x0, y0 ], [ x3, y3 ], [ x1, y1 ], [ x2, y2 ]), ax = x0 - oc[0], ay = y0 - oc[1], bx = x1 - oc[0], by = y1 - oc[1], kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]); + rc0 = Math.min(rc, (r0 - lc) / (kc - 1)); + rc1 = Math.min(rc, (r1 - lc) / (kc + 1)); + } if (x1 != null) { - var rc1 = Math.min(rc, (r1 - lc) / (kc + 1)), t30 = d3_svg_arcCornerTangents(x3 == null ? [ x2, y2 ] : [ x3, y3 ], [ x0, y0 ], r1, rc1, cw), t12 = d3_svg_arcCornerTangents([ x1, y1 ], [ x2, y2 ], r1, rc1, cw); + var t30 = d3_svg_arcCornerTangents(x3 == null ? [ x2, y2 ] : [ x3, y3 ], [ x0, y0 ], r1, rc1, cw), t12 = d3_svg_arcCornerTangents([ x1, y1 ], [ x2, y2 ], r1, rc1, cw); if (rc === rc1) { path.push("M", t30[0], "A", rc1, ",", rc1, " 0 0,", cr, " ", t30[1], "A", r1, ",", r1, " 0 ", 1 - cw ^ d3_svg_arcSweep(t30[1][0], t30[1][1], t12[1][0], t12[1][1]), ",", cw, " ", t12[1], "A", rc1, ",", rc1, " 0 0,", cr, " ", t12[0]); } else { @@ -7995,7 +8029,7 @@ path.push("M", x0, ",", y0); } if (x3 != null) { - var rc0 = Math.min(rc, (r0 - lc) / (kc - 1)), t03 = d3_svg_arcCornerTangents([ x0, y0 ], [ x3, y3 ], r0, -rc0, cw), t21 = d3_svg_arcCornerTangents([ x2, y2 ], x1 == null ? [ x0, y0 ] : [ x1, y1 ], r0, -rc0, cw); + var t03 = d3_svg_arcCornerTangents([ x0, y0 ], [ x3, y3 ], r0, -rc0, cw), t21 = d3_svg_arcCornerTangents([ x2, y2 ], x1 == null ? [ x0, y0 ] : [ x1, y1 ], r0, -rc0, cw); if (rc === rc0) { path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t21[1], "A", r0, ",", r0, " 0 ", cw ^ d3_svg_arcSweep(t21[1][0], t21[1][1], t03[1][0], t03[1][1]), ",", 1 - cw, " ", t03[1], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]); } else { @@ -8077,7 +8111,7 @@ return (x0 - x1) * y0 - (y0 - y1) * x0 > 0 ? 0 : 1; } function d3_svg_arcCornerTangents(p0, p1, r1, rc, cw) { - var x01 = p0[0] - p1[0], y01 = p0[1] - p1[1], lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), ox = lo * y01, oy = -lo * x01, x1 = p0[0] + ox, y1 = p0[1] + oy, x2 = p1[0] + ox, y2 = p1[1] + oy, x3 = (x1 + x2) / 2, y3 = (y1 + y2) / 2, dx = x2 - x1, dy = y2 - y1, d2 = dx * dx + dy * dy, r = r1 - rc, D = x1 * y2 - x2 * y1, d = (dy < 0 ? -1 : 1) * Math.sqrt(r * r * d2 - D * D), cx0 = (D * dy - dx * d) / d2, cy0 = (-D * dx - dy * d) / d2, cx1 = (D * dy + dx * d) / d2, cy1 = (-D * dx + dy * d) / d2, dx0 = cx0 - x3, dy0 = cy0 - y3, dx1 = cx1 - x3, dy1 = cy1 - y3; + var x01 = p0[0] - p1[0], y01 = p0[1] - p1[1], lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), ox = lo * y01, oy = -lo * x01, x1 = p0[0] + ox, y1 = p0[1] + oy, x2 = p1[0] + ox, y2 = p1[1] + oy, x3 = (x1 + x2) / 2, y3 = (y1 + y2) / 2, dx = x2 - x1, dy = y2 - y1, d2 = dx * dx + dy * dy, r = r1 - rc, D = x1 * y2 - x2 * y1, d = (dy < 0 ? -1 : 1) * Math.sqrt(Math.max(0, r * r * d2 - D * D)), cx0 = (D * dy - dx * d) / d2, cy0 = (-D * dx - dy * d) / d2, cx1 = (D * dy + dx * d) / d2, cy1 = (-D * dx + dy * d) / d2, dx0 = cx0 - x3, dy0 = cy0 - y3, dx1 = cx1 - x3, dy1 = cy1 - y3; if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; return [ [ cx0 - ox, cy0 - oy ], [ cx0 * r1 / r, cy0 * r1 / r ] ]; } @@ -8149,10 +8183,10 @@ value.closed = /-closed$/.test(key); }); function d3_svg_lineLinear(points) { - return points.join("L"); + return points.length > 1 ? points.join("L") : points + "Z"; } function d3_svg_lineLinearClosed(points) { - return d3_svg_lineLinear(points) + "Z"; + return points.join("L") + "Z"; } function d3_svg_lineStep(points) { var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; @@ -8174,7 +8208,7 @@ return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, -1), d3_svg_lineCardinalTangents(points, tension)); } function d3_svg_lineCardinalClosed(points, tension) { - return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), + return points.length < 3 ? d3_svg_lineLinearClosed(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension)); } function d3_svg_lineCardinal(points, tension) { @@ -8610,9 +8644,11 @@ var d3_selection_interrupt = d3_selection_interruptNS(d3_transitionNamespace()); function d3_selection_interruptNS(ns) { return function() { - var lock, active; - if ((lock = this[ns]) && (active = lock[lock.active])) { - if (--lock.count) delete lock[lock.active]; else delete this[ns]; + var lock, activeId, active; + if ((lock = this[ns]) && (active = lock[activeId = lock.active])) { + active.timer.c = null; + active.timer.t = NaN; + if (--lock.count) delete lock[activeId]; else delete this[ns]; lock.active += .5; active.event && active.event.interrupt.call(this, this.__data__, active.index); } @@ -8867,12 +8903,68 @@ var lock = node[ns] || (node[ns] = { active: 0, count: 0 - }), transition = lock[id]; + }), transition = lock[id], time, timer, duration, ease, tweens; + function schedule(elapsed) { + var delay = transition.delay; + timer.t = delay + time; + if (delay <= elapsed) return start(elapsed - delay); + timer.c = start; + } + function start(elapsed) { + var activeId = lock.active, active = lock[activeId]; + if (active) { + active.timer.c = null; + active.timer.t = NaN; + --lock.count; + delete lock[activeId]; + active.event && active.event.interrupt.call(node, node.__data__, active.index); + } + for (var cancelId in lock) { + if (+cancelId < id) { + var cancel = lock[cancelId]; + cancel.timer.c = null; + cancel.timer.t = NaN; + --lock.count; + delete lock[cancelId]; + } + } + timer.c = tick; + d3_timer(function() { + if (timer.c && tick(elapsed || 1)) { + timer.c = null; + timer.t = NaN; + } + return 1; + }, 0, time); + lock.active = id; + transition.event && transition.event.start.call(node, node.__data__, i); + tweens = []; + transition.tween.forEach(function(key, value) { + if (value = value.call(node, node.__data__, i)) { + tweens.push(value); + } + }); + ease = transition.ease; + duration = transition.duration; + } + function tick(elapsed) { + var t = elapsed / duration, e = ease(t), n = tweens.length; + while (n > 0) { + tweens[--n].call(node, e); + } + if (t >= 1) { + transition.event && transition.event.end.call(node, node.__data__, i); + if (--lock.count) delete lock[id]; else delete node[ns]; + return 1; + } + } if (!transition) { - var time = inherit.time; + time = inherit.time; + timer = d3_timer(schedule, 0, time); transition = lock[id] = { tween: new d3_Map(), time: time, + timer: timer, delay: inherit.delay, duration: inherit.duration, ease: inherit.ease, @@ -8880,49 +8972,6 @@ }; inherit = null; ++lock.count; - d3.timer(function(elapsed) { - var delay = transition.delay, duration, ease, timer = d3_timer_active, tweened = []; - timer.t = delay + time; - if (delay <= elapsed) return start(elapsed - delay); - timer.c = start; - function start(elapsed) { - if (lock.active > id) return stop(); - var active = lock[lock.active]; - if (active) { - --lock.count; - delete lock[lock.active]; - active.event && active.event.interrupt.call(node, node.__data__, active.index); - } - lock.active = id; - transition.event && transition.event.start.call(node, node.__data__, i); - transition.tween.forEach(function(key, value) { - if (value = value.call(node, node.__data__, i)) { - tweened.push(value); - } - }); - ease = transition.ease; - duration = transition.duration; - d3.timer(function() { - timer.c = tick(elapsed || 1) ? d3_true : tick; - return 1; - }, 0, time); - } - function tick(elapsed) { - if (lock.active !== id) return 1; - var t = elapsed / duration, e = ease(t), n = tweened.length; - while (n > 0) { - tweened[--n].call(node, e); - } - if (t >= 1) { - transition.event && transition.event.end.call(node, node.__data__, i); - return stop(); - } - } - function stop() { - if (--lock.count) delete lock[id]; else delete node[ns]; - return 1; - } - }, 0, time); } } d3.svg.axis = function() { @@ -8976,7 +9025,7 @@ }; axis.ticks = function() { if (!arguments.length) return tickArguments_; - tickArguments_ = arguments; + tickArguments_ = d3_array(arguments); return axis; }; axis.tickValues = function(x) { @@ -9498,6 +9547,5 @@ d3.xml = d3_xhrType(function(request) { return request.responseXML; }); - if (typeof define === "function" && define.amd) define(d3); 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a/app/assets/javascripts/d3.v3.js +++ b/app/assets/javascripts/d3.v3.js @@ -1,6 +1,6 @@ !function() { var d3 = { - version: "3.5.6" + version: "3.5.11" }; var d3_arraySlice = [].slice, d3_array = function(list) { return d3_arraySlice.call(list); @@ -631,10 +631,7 @@ prefix: d3_nsPrefix, qualify: function(name) { var i = name.indexOf(":"), prefix = name; - if (i >= 0) { - prefix = name.slice(0, i); - name = name.slice(i + 1); - } + if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); return d3_nsPrefix.hasOwnProperty(prefix) ? { space: d3_nsPrefix[prefix], local: name @@ -845,12 +842,14 @@ if (key) { var nodeByKeyValue = new d3_Map(), keyValues = new Array(n), keyValue; for (i = -1; ++i < n; ) { - if (nodeByKeyValue.has(keyValue = key.call(node = group[i], node.__data__, i))) { - exitNodes[i] = node; - } else { - nodeByKeyValue.set(keyValue, node); + if (node = group[i]) { + if (nodeByKeyValue.has(keyValue = key.call(node, node.__data__, i))) { + exitNodes[i] = node; + } else { + nodeByKeyValue.set(keyValue, node); + } + keyValues[i] = keyValue; } - keyValues[i] = keyValue; } for (i = -1; ++i < m; ) { if (!(node = nodeByKeyValue.get(keyValue = key.call(groupData, nodeData = groupData[i], i)))) { @@ -862,7 +861,7 @@ nodeByKeyValue.set(keyValue, true); } for (i = -1; ++i < n; ) { - if (nodeByKeyValue.get(keyValues[i]) !== true) { + if (i in keyValues && nodeByKeyValue.get(keyValues[i]) !== true) { exitNodes[i] = group[i]; } } @@ -1054,7 +1053,7 @@ group = d3_array(d3_selectAll(nodes, d3_document)); group.parentNode = d3_document.documentElement; } else { - group = nodes; + group = d3_array(nodes); group.parentNode = null; } return d3_selection([ group ]); @@ -1233,7 +1232,7 @@ function ended() { if (!position(parent, dragId)) return; dragSubject.on(move + dragName, null).on(end + dragName, null); - dragRestore(dragged && d3.event.target === target); + dragRestore(dragged); dispatch({ type: "dragend" }); @@ -1285,18 +1284,22 @@ } var ρ = Math.SQRT2, ρ2 = 2, ρ4 = 4; d3.interpolateZoom = function(p0, p1) { - var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2]; - var dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + ρ4 * d2) / (2 * w0 * ρ2 * d1), b1 = (w1 * w1 - w0 * w0 - ρ4 * d2) / (2 * w1 * ρ2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1), dr = r1 - r0, S = (dr || Math.log(w1 / w0)) / ρ; - function interpolate(t) { - var s = t * S; - if (dr) { - var coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0)); + var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2], dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, i, S; + if (d2 < ε2) { + S = Math.log(w1 / w0) / ρ; + i = function(t) { + return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * t * S) ]; + }; + } else { + var d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + ρ4 * d2) / (2 * w0 * ρ2 * d1), b1 = (w1 * w1 - w0 * w0 - ρ4 * d2) / (2 * w1 * ρ2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); + S = (r1 - r0) / ρ; + i = function(t) { + var s = t * S, coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0)); return [ ux0 + u * dx, uy0 + u * dy, w0 * coshr0 / d3_cosh(ρ * s + r0) ]; - } - return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * s) ]; + }; } - interpolate.duration = S * 1e3; - return interpolate; + i.duration = S * 1e3; + return i; }; d3.behavior.zoom = function() { var view = { @@ -1366,8 +1369,9 @@ view = { x: view.x, y: view.y, - k: +_ + k: null }; + scaleTo(+_); rescale(); return zoom; }; @@ -1466,7 +1470,7 @@ }), center0 = null; } function mousedowned() { - var that = this, target = d3.event.target, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window(that)).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress(that); + var that = this, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window(that)).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress(that); d3_selection_interrupt.call(that); zoomstarted(dispatch); function moved() { @@ -1476,7 +1480,7 @@ } function ended() { subject.on(mousemove, null).on(mouseup, null); - dragRestore(dragged && d3.event.target === target); + dragRestore(dragged); zoomended(dispatch); } } @@ -2114,17 +2118,19 @@ }; d3.csv = d3.dsv(",", "text/csv"); d3.tsv = d3.dsv(" ", "text/tab-separated-values"); - var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_active, d3_timer_frame = this[d3_vendorSymbol(this, "requestAnimationFrame")] || function(callback) { + var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_frame = this[d3_vendorSymbol(this, "requestAnimationFrame")] || function(callback) { setTimeout(callback, 17); }; - d3.timer = function(callback, delay, then) { + d3.timer = function() { + d3_timer.apply(this, arguments); + }; + function d3_timer(callback, delay, then) { var n = arguments.length; if (n < 2) delay = 0; if (n < 3) then = Date.now(); var time = then + delay, timer = { c: callback, t: time, - f: false, n: null }; if (d3_timer_queueTail) d3_timer_queueTail.n = timer; else d3_timer_queueHead = timer; @@ -2134,7 +2140,8 @@ d3_timer_interval = 1; d3_timer_frame(d3_timer_step); } - }; + return timer; + } function d3_timer_step() { var now = d3_timer_mark(), delay = d3_timer_sweep() - now; if (delay > 24) { @@ -2153,22 +2160,21 @@ d3_timer_sweep(); }; function d3_timer_mark() { - var now = Date.now(); - d3_timer_active = d3_timer_queueHead; - while (d3_timer_active) { - if (now >= d3_timer_active.t) d3_timer_active.f = d3_timer_active.c(now - d3_timer_active.t); - d3_timer_active = d3_timer_active.n; + var now = Date.now(), timer = d3_timer_queueHead; + while (timer) { + if (now >= timer.t && timer.c(now - timer.t)) timer.c = null; + timer = timer.n; } return now; } function d3_timer_sweep() { var t0, t1 = d3_timer_queueHead, time = Infinity; while (t1) { - if (t1.f) { - t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n; - } else { + if (t1.c) { if (t1.t < time) time = t1.t; t1 = (t0 = t1).n; + } else { + t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n; } } d3_timer_queueTail = t0; @@ -2183,7 +2189,7 @@ var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix); d3.formatPrefix = function(value, precision) { var i = 0; - if (value) { + if (value = +value) { if (value < 0) value *= -1; if (precision) value = d3.round(value, d3_format_precision(value, precision)); i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10); @@ -2533,7 +2539,8 @@ if (i != string.length) return null; if ("p" in d) d.H = d.H % 12 + d.p * 12; var localZ = d.Z != null && d3_date !== d3_date_utc, date = new (localZ ? d3_date_utc : d3_date)(); - if ("j" in d) date.setFullYear(d.y, 0, d.j); else if ("w" in d && ("W" in d || "U" in d)) { + if ("j" in d) date.setFullYear(d.y, 0, d.j); else if ("W" in d || "U" in d) { + if (!("w" in d)) d.w = "W" in d ? 1 : 0; date.setFullYear(d.y, 0, 1); date.setFullYear(d.y, 0, "W" in d ? (d.w + 6) % 7 + d.W * 7 - (date.getDay() + 5) % 7 : d.w + d.U * 7 - (date.getDay() + 6) % 7); } else date.setFullYear(d.y, d.m, d.d); @@ -5985,54 +5992,68 @@ f: 0 }; d3.interpolateTransform = d3_interpolateTransform; - function d3_interpolateTransform(a, b) { - var s = [], q = [], n, A = d3.transform(a), B = d3.transform(b), ta = A.translate, tb = B.translate, ra = A.rotate, rb = B.rotate, wa = A.skew, wb = B.skew, ka = A.scale, kb = B.scale; - if (ta[0] != tb[0] || ta[1] != tb[1]) { - s.push("translate(", null, ",", null, ")"); + function d3_interpolateTransformPop(s) { + return s.length ? s.pop() + "," : ""; + } + function d3_interpolateTranslate(ta, tb, s, q) { + if (ta[0] !== tb[0] || ta[1] !== tb[1]) { + var i = s.push("translate(", null, ",", null, ")"); q.push({ - i: 1, + i: i - 4, x: d3_interpolateNumber(ta[0], tb[0]) }, { - i: 3, + i: i - 2, x: d3_interpolateNumber(ta[1], tb[1]) }); } else if (tb[0] || tb[1]) { s.push("translate(" + tb + ")"); - } else { - s.push(""); } - if (ra != rb) { + } + function d3_interpolateRotate(ra, rb, s, q) { + if (ra !== rb) { if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360; q.push({ - i: s.push(s.pop() + "rotate(", null, ")") - 2, + i: s.push(d3_interpolateTransformPop(s) + "rotate(", null, ")") - 2, x: d3_interpolateNumber(ra, rb) }); } else if (rb) { - s.push(s.pop() + "rotate(" + rb + ")"); + s.push(d3_interpolateTransformPop(s) + "rotate(" + rb + ")"); } - if (wa != wb) { + } + function d3_interpolateSkew(wa, wb, s, q) { + if (wa !== wb) { q.push({ - i: s.push(s.pop() + "skewX(", null, ")") - 2, + i: s.push(d3_interpolateTransformPop(s) + "skewX(", null, ")") - 2, x: d3_interpolateNumber(wa, wb) }); } else if (wb) { - s.push(s.pop() + "skewX(" + wb + ")"); + s.push(d3_interpolateTransformPop(s) + "skewX(" + wb + ")"); } - if (ka[0] != kb[0] || ka[1] != kb[1]) { - n = s.push(s.pop() + "scale(", null, ",", null, ")"); + } + function d3_interpolateScale(ka, kb, s, q) { + if (ka[0] !== kb[0] || ka[1] !== kb[1]) { + var i = s.push(d3_interpolateTransformPop(s) + "scale(", null, ",", null, ")"); q.push({ - i: n - 4, + i: i - 4, x: d3_interpolateNumber(ka[0], kb[0]) }, { - i: n - 2, + i: i - 2, x: d3_interpolateNumber(ka[1], kb[1]) }); - } else if (kb[0] != 1 || kb[1] != 1) { - s.push(s.pop() + "scale(" + kb + ")"); + } else if (kb[0] !== 1 || kb[1] !== 1) { + s.push(d3_interpolateTransformPop(s) + "scale(" + kb + ")"); } - n = q.length; + } + function d3_interpolateTransform(a, b) { + var s = [], q = []; + a = d3.transform(a), b = d3.transform(b); + d3_interpolateTranslate(a.translate, b.translate, s, q); + d3_interpolateRotate(a.rotate, b.rotate, s, q); + d3_interpolateSkew(a.skew, b.skew, s, q); + d3_interpolateScale(a.scale, b.scale, s, q); + a = b = null; return function(t) { - var i = -1, o; + var i = -1, n = q.length, o; while (++i < n) s[(o = q[i]).i] = o.x(t); return s.join(""); }; @@ -6136,7 +6157,7 @@ index: di, startAngle: x0, endAngle: x, - value: (x - x0) / k + value: groupSums[di] }; x += padding; } @@ -6204,7 +6225,7 @@ return chord; }; d3.layout.force = function() { - var force = {}, event = d3.dispatch("start", "tick", "end"), size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, chargeDistance2 = d3_layout_forceChargeDistance2, gravity = .1, theta2 = .64, nodes = [], links = [], distances, strengths, charges; + var force = {}, event = d3.dispatch("start", "tick", "end"), timer, size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, chargeDistance2 = d3_layout_forceChargeDistance2, gravity = .1, theta2 = .64, nodes = [], links = [], distances, strengths, charges; function repulse(node) { return function(quad, x1, _, x2) { if (quad.point !== node) { @@ -6228,6 +6249,7 @@ } force.tick = function() { if ((alpha *= .99) < .005) { + timer = null; event.end({ type: "end", alpha: alpha = 0 @@ -6245,7 +6267,7 @@ l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l; x *= l; y *= l; - t.x -= x * (k = s.weight / (t.weight + s.weight)); + t.x -= x * (k = s.weight + t.weight ? s.weight / (s.weight + t.weight) : .5); t.y -= y * k; s.x += x * (k = 1 - k); s.y += y * k; @@ -6341,13 +6363,21 @@ if (!arguments.length) return alpha; x = +x; if (alpha) { - if (x > 0) alpha = x; else alpha = 0; + if (x > 0) { + alpha = x; + } else { + timer.c = null, timer.t = NaN, timer = null; + event.end({ + type: "end", + alpha: alpha = 0 + }); + } } else if (x > 0) { event.start({ type: "start", alpha: alpha = x }); - d3.timer(force.tick); + timer = d3_timer(force.tick); } return force; }; @@ -6601,7 +6631,7 @@ function pie(data) { var n = data.length, values = data.map(function(d, i) { return +value.call(pie, d, i); - }), a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle), da = (typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a, p = Math.min(Math.abs(da) / n, +(typeof padAngle === "function" ? padAngle.apply(this, arguments) : padAngle)), pa = p * (da < 0 ? -1 : 1), k = (da - n * pa) / d3.sum(values), index = d3.range(n), arcs = [], v; + }), a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle), da = (typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a, p = Math.min(Math.abs(da) / n, +(typeof padAngle === "function" ? padAngle.apply(this, arguments) : padAngle)), pa = p * (da < 0 ? -1 : 1), sum = d3.sum(values), k = sum ? (da - n * pa) / sum : 0, index = d3.range(n), arcs = [], v; if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) { return values[j] - values[i]; } : function(i, j) { @@ -7314,10 +7344,8 @@ } function treemap(d) { var nodes = stickies || hierarchy(d), root = nodes[0]; - root.x = 0; - root.y = 0; - root.dx = size[0]; - root.dy = size[1]; + root.x = root.y = 0; + if (root.value) root.dx = size[0], root.dy = size[1]; else root.dx = root.dy = 0; if (stickies) hierarchy.revalue(root); scale([ root ], root.dx * root.dy / root.value); (stickies ? stickify : squarify)(root); @@ -7639,10 +7667,11 @@ scale.tickFormat = function(n, format) { if (!arguments.length) return d3_scale_logFormat; if (arguments.length < 2) format = d3_scale_logFormat; else if (typeof format !== "function") format = d3.format(format); - var k = Math.max(.1, n / scale.ticks().length), f = positive ? (e = 1e-12, Math.ceil) : (e = -1e-12, - Math.floor), e; + var k = Math.max(1, base * n / scale.ticks().length); return function(d) { - return d / pow(f(log(d) + e)) <= k ? format(d) : ""; + var i = d / pow(Math.round(log(d))); + if (i * base < base - .5) i *= base; + return i <= k ? format(d) : ""; }; }; scale.copy = function() { @@ -7981,11 +8010,16 @@ } else { x2 = y2 = 0; } - if ((rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments))) > .001) { + if (da > ε && (rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments))) > .001) { cr = r0 < r1 ^ cw ? 0 : 1; - var oc = x3 == null ? [ x2, y2 ] : x1 == null ? [ x0, y0 ] : d3_geom_polygonIntersect([ x0, y0 ], [ x3, y3 ], [ x1, y1 ], [ x2, y2 ]), ax = x0 - oc[0], ay = y0 - oc[1], bx = x1 - oc[0], by = y1 - oc[1], kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]); + var rc1 = rc, rc0 = rc; + if (da < π) { + var oc = x3 == null ? [ x2, y2 ] : x1 == null ? [ x0, y0 ] : d3_geom_polygonIntersect([ x0, y0 ], [ x3, y3 ], [ x1, y1 ], [ x2, y2 ]), ax = x0 - oc[0], ay = y0 - oc[1], bx = x1 - oc[0], by = y1 - oc[1], kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]); + rc0 = Math.min(rc, (r0 - lc) / (kc - 1)); + rc1 = Math.min(rc, (r1 - lc) / (kc + 1)); + } if (x1 != null) { - var rc1 = Math.min(rc, (r1 - lc) / (kc + 1)), t30 = d3_svg_arcCornerTangents(x3 == null ? [ x2, y2 ] : [ x3, y3 ], [ x0, y0 ], r1, rc1, cw), t12 = d3_svg_arcCornerTangents([ x1, y1 ], [ x2, y2 ], r1, rc1, cw); + var t30 = d3_svg_arcCornerTangents(x3 == null ? [ x2, y2 ] : [ x3, y3 ], [ x0, y0 ], r1, rc1, cw), t12 = d3_svg_arcCornerTangents([ x1, y1 ], [ x2, y2 ], r1, rc1, cw); if (rc === rc1) { path.push("M", t30[0], "A", rc1, ",", rc1, " 0 0,", cr, " ", t30[1], "A", r1, ",", r1, " 0 ", 1 - cw ^ d3_svg_arcSweep(t30[1][0], t30[1][1], t12[1][0], t12[1][1]), ",", cw, " ", t12[1], "A", rc1, ",", rc1, " 0 0,", cr, " ", t12[0]); } else { @@ -7995,7 +8029,7 @@ path.push("M", x0, ",", y0); } if (x3 != null) { - var rc0 = Math.min(rc, (r0 - lc) / (kc - 1)), t03 = d3_svg_arcCornerTangents([ x0, y0 ], [ x3, y3 ], r0, -rc0, cw), t21 = d3_svg_arcCornerTangents([ x2, y2 ], x1 == null ? [ x0, y0 ] : [ x1, y1 ], r0, -rc0, cw); + var t03 = d3_svg_arcCornerTangents([ x0, y0 ], [ x3, y3 ], r0, -rc0, cw), t21 = d3_svg_arcCornerTangents([ x2, y2 ], x1 == null ? [ x0, y0 ] : [ x1, y1 ], r0, -rc0, cw); if (rc === rc0) { path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t21[1], "A", r0, ",", r0, " 0 ", cw ^ d3_svg_arcSweep(t21[1][0], t21[1][1], t03[1][0], t03[1][1]), ",", 1 - cw, " ", t03[1], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]); } else { @@ -8077,7 +8111,7 @@ return (x0 - x1) * y0 - (y0 - y1) * x0 > 0 ? 0 : 1; } function d3_svg_arcCornerTangents(p0, p1, r1, rc, cw) { - var x01 = p0[0] - p1[0], y01 = p0[1] - p1[1], lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), ox = lo * y01, oy = -lo * x01, x1 = p0[0] + ox, y1 = p0[1] + oy, x2 = p1[0] + ox, y2 = p1[1] + oy, x3 = (x1 + x2) / 2, y3 = (y1 + y2) / 2, dx = x2 - x1, dy = y2 - y1, d2 = dx * dx + dy * dy, r = r1 - rc, D = x1 * y2 - x2 * y1, d = (dy < 0 ? -1 : 1) * Math.sqrt(r * r * d2 - D * D), cx0 = (D * dy - dx * d) / d2, cy0 = (-D * dx - dy * d) / d2, cx1 = (D * dy + dx * d) / d2, cy1 = (-D * dx + dy * d) / d2, dx0 = cx0 - x3, dy0 = cy0 - y3, dx1 = cx1 - x3, dy1 = cy1 - y3; + var x01 = p0[0] - p1[0], y01 = p0[1] - p1[1], lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), ox = lo * y01, oy = -lo * x01, x1 = p0[0] + ox, y1 = p0[1] + oy, x2 = p1[0] + ox, y2 = p1[1] + oy, x3 = (x1 + x2) / 2, y3 = (y1 + y2) / 2, dx = x2 - x1, dy = y2 - y1, d2 = dx * dx + dy * dy, r = r1 - rc, D = x1 * y2 - x2 * y1, d = (dy < 0 ? -1 : 1) * Math.sqrt(Math.max(0, r * r * d2 - D * D)), cx0 = (D * dy - dx * d) / d2, cy0 = (-D * dx - dy * d) / d2, cx1 = (D * dy + dx * d) / d2, cy1 = (-D * dx + dy * d) / d2, dx0 = cx0 - x3, dy0 = cy0 - y3, dx1 = cx1 - x3, dy1 = cy1 - y3; if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; return [ [ cx0 - ox, cy0 - oy ], [ cx0 * r1 / r, cy0 * r1 / r ] ]; } @@ -8149,10 +8183,10 @@ value.closed = /-closed$/.test(key); }); function d3_svg_lineLinear(points) { - return points.join("L"); + return points.length > 1 ? points.join("L") : points + "Z"; } function d3_svg_lineLinearClosed(points) { - return d3_svg_lineLinear(points) + "Z"; + return points.join("L") + "Z"; } function d3_svg_lineStep(points) { var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; @@ -8174,7 +8208,7 @@ return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, -1), d3_svg_lineCardinalTangents(points, tension)); } function d3_svg_lineCardinalClosed(points, tension) { - return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), + return points.length < 3 ? d3_svg_lineLinearClosed(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension)); } function d3_svg_lineCardinal(points, tension) { @@ -8610,9 +8644,11 @@ var d3_selection_interrupt = d3_selection_interruptNS(d3_transitionNamespace()); function d3_selection_interruptNS(ns) { return function() { - var lock, active; - if ((lock = this[ns]) && (active = lock[lock.active])) { - if (--lock.count) delete lock[lock.active]; else delete this[ns]; + var lock, activeId, active; + if ((lock = this[ns]) && (active = lock[activeId = lock.active])) { + active.timer.c = null; + active.timer.t = NaN; + if (--lock.count) delete lock[activeId]; else delete this[ns]; lock.active += .5; active.event && active.event.interrupt.call(this, this.__data__, active.index); } @@ -8867,12 +8903,68 @@ var lock = node[ns] || (node[ns] = { active: 0, count: 0 - }), transition = lock[id]; + }), transition = lock[id], time, timer, duration, ease, tweens; + function schedule(elapsed) { + var delay = transition.delay; + timer.t = delay + time; + if (delay <= elapsed) return start(elapsed - delay); + timer.c = start; + } + function start(elapsed) { + var activeId = lock.active, active = lock[activeId]; + if (active) { + active.timer.c = null; + active.timer.t = NaN; + --lock.count; + delete lock[activeId]; + active.event && active.event.interrupt.call(node, node.__data__, active.index); + } + for (var cancelId in lock) { + if (+cancelId < id) { + var cancel = lock[cancelId]; + cancel.timer.c = null; + cancel.timer.t = NaN; + --lock.count; + delete lock[cancelId]; + } + } + timer.c = tick; + d3_timer(function() { + if (timer.c && tick(elapsed || 1)) { + timer.c = null; + timer.t = NaN; + } + return 1; + }, 0, time); + lock.active = id; + transition.event && transition.event.start.call(node, node.__data__, i); + tweens = []; + transition.tween.forEach(function(key, value) { + if (value = value.call(node, node.__data__, i)) { + tweens.push(value); + } + }); + ease = transition.ease; + duration = transition.duration; + } + function tick(elapsed) { + var t = elapsed / duration, e = ease(t), n = tweens.length; + while (n > 0) { + tweens[--n].call(node, e); + } + if (t >= 1) { + transition.event && transition.event.end.call(node, node.__data__, i); + if (--lock.count) delete lock[id]; else delete node[ns]; + return 1; + } + } if (!transition) { - var time = inherit.time; + time = inherit.time; + timer = d3_timer(schedule, 0, time); transition = lock[id] = { tween: new d3_Map(), time: time, + timer: timer, delay: inherit.delay, duration: inherit.duration, ease: inherit.ease, @@ -8880,49 +8972,6 @@ }; inherit = null; ++lock.count; - d3.timer(function(elapsed) { - var delay = transition.delay, duration, ease, timer = d3_timer_active, tweened = []; - timer.t = delay + time; - if (delay <= elapsed) return start(elapsed - delay); - timer.c = start; - function start(elapsed) { - if (lock.active > id) return stop(); - var active = lock[lock.active]; - if (active) { - --lock.count; - delete lock[lock.active]; - active.event && active.event.interrupt.call(node, node.__data__, active.index); - } - lock.active = id; - transition.event && transition.event.start.call(node, node.__data__, i); - transition.tween.forEach(function(key, value) { - if (value = value.call(node, node.__data__, i)) { - tweened.push(value); - } - }); - ease = transition.ease; - duration = transition.duration; - d3.timer(function() { - timer.c = tick(elapsed || 1) ? d3_true : tick; - return 1; - }, 0, time); - } - function tick(elapsed) { - if (lock.active !== id) return 1; - var t = elapsed / duration, e = ease(t), n = tweened.length; - while (n > 0) { - tweened[--n].call(node, e); - } - if (t >= 1) { - transition.event && transition.event.end.call(node, node.__data__, i); - return stop(); - } - } - function stop() { - if (--lock.count) delete lock[id]; else delete node[ns]; - return 1; - } - }, 0, time); } } d3.svg.axis = function() { @@ -8976,7 +9025,7 @@ }; axis.ticks = function() { if (!arguments.length) return tickArguments_; - tickArguments_ = arguments; + tickArguments_ = d3_array(arguments); return axis; }; axis.tickValues = function(x) { @@ -9498,6 +9547,5 @@ d3.xml = d3_xhrType(function(request) { return request.responseXML; }); - if (typeof define === "function" && define.amd) define(d3); 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b/lib/d3/rails/version.rb @@ -1,5 +1,5 @@ module D3 module Rails - VERSION = "3.5.6" + VERSION = "3.5.11" end end From e132a0aa4de4cb396fa378244cea55f2a4919587 Mon Sep 17 00:00:00 2001 From: Markus Fenske Date: Wed, 16 Dec 2015 17:10:28 +0100 Subject: [PATCH 02/42] Update README.md --- README.md | 31 ++++++++++++++++++++++--------- 1 file changed, 22 insertions(+), 9 deletions(-) diff --git a/README.md b/README.md index 36406af..4976b82 100644 --- a/README.md +++ b/README.md @@ -1,13 +1,16 @@ # d3-rails -[D3.js](http://github.com/mbostock/d3) is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG and CSS. +[D3.js](http://github.com/mbostock/d3) is a JavaScript library for +manipulating documents based on data. D3 helps you bring data to life +using HTML, SVG and CSS. d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 3.5.11 of D3.js. and will track the always -mirror the version of D3 it comes with. +d3-rails comes with version 3.5.11 of D3.js. The d3-rails version will +always mirror the version of D3. If you need a newer version of +d3-rails, see section Development (below). ## Installation @@ -16,15 +19,25 @@ Add this line to your `Gemfile`: gem "d3-rails" -Please note that D3 is provided via the asset pipeline and you do *not* need to copy their files into your application. Rails will get them from d3-rails automatically. +Please note that D3 is provided via the asset pipeline and you do *not* +need to copy their files into your application. Rails will get them from +d3-rails automatically. -Then add it to your manifest file, most probably at `app/assets/javascripts/application.js`: +Then add it to your manifest file, most probably at +`app/assets/javascripts/application.js`: //= require d3 ## Development -To update the D3 version contained in the gem, you can run the following rake task -```bash -bundle exec rake d3:update_version -``` +If you need a newer version of d3, please do the following: + +1. Fork this repository +2. Clone your repository to a local directory +3. Create a branch called update-version in your repository +4. Run `bundle exec rake d3:update_version` +5. Create a commit stating the version you updated to +6. Push to your repository +7. Create a pull request + +I will then merge and release a new version of the gem. From 2e1e7ca8a0436819ce8de59461124cee424b2de9 Mon Sep 17 00:00:00 2001 From: Konstantin Delchev Date: Mon, 28 Mar 2016 22:20:05 +0300 Subject: [PATCH 03/42] Upgrade D3 to version 3.5.16 --- CHANGELOG.md | 3 +++ README.md | 2 +- app/assets/javascripts/d3.js | 31 ++++++++++++++++------------- app/assets/javascripts/d3.min.js | 10 +++++----- app/assets/javascripts/d3.v3.js | 31 ++++++++++++++++------------- app/assets/javascripts/d3.v3.min.js | 10 +++++----- lib/d3/rails/version.rb | 2 +- 7 files changed, 49 insertions(+), 40 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index dd8d5bb..9fff7c8 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## 3.5.16 (28 March 2016) +* Upgrade D3 to 3.5.16 + ## 3.5.11 (15 December 2015) * Upgrade D3 to 3.5.11 diff --git a/README.md b/README.md index 4976b82..1900f87 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 3.5.11 of D3.js. The d3-rails version will +d3-rails comes with version 3.5.16 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index 1a3e67e..2e70a83 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,6 +1,6 @@ !function() { var d3 = { - version: "3.5.11" + version: "3.5.16" }; var d3_arraySlice = [].slice, d3_array = function(list) { return d3_arraySlice.call(list); @@ -220,20 +220,20 @@ while (i < n) pairs[i] = [ p0 = p1, p1 = array[++i] ]; return pairs; }; - d3.zip = function() { - if (!(n = arguments.length)) return []; - for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m; ) { - for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n; ) { - zip[j] = arguments[j][i]; + d3.transpose = function(matrix) { + if (!(n = matrix.length)) return []; + for (var i = -1, m = d3.min(matrix, d3_transposeLength), transpose = new Array(m); ++i < m; ) { + for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n; ) { + row[j] = matrix[j][i]; } } - return zips; + return transpose; }; - function d3_zipLength(d) { + function d3_transposeLength(d) { return d.length; } - d3.transpose = function(matrix) { - return d3.zip.apply(d3, matrix); + d3.zip = function() { + return d3.transpose(arguments); }; d3.keys = function(map) { var keys = []; @@ -620,9 +620,10 @@ return d3_selectAll(selector, this); }; } + var d3_nsXhtml = "http://www.w3.org/1999/xhtml"; var d3_nsPrefix = { svg: "http://www.w3.org/2000/svg", - xhtml: "http://www.w3.org/1999/xhtml", + xhtml: d3_nsXhtml, xlink: "http://www.w3.org/1999/xlink", xml: "http://www.w3.org/XML/1998/namespace", xmlns: "http://www.w3.org/2000/xmlns/" @@ -805,7 +806,7 @@ function d3_selection_creator(name) { function create() { var document = this.ownerDocument, namespace = this.namespaceURI; - return namespace ? document.createElementNS(namespace, name) : document.createElement(name); + return namespace === d3_nsXhtml && document.documentElement.namespaceURI === d3_nsXhtml ? document.createElement(name) : document.createElementNS(namespace, name); } function createNS() { return this.ownerDocument.createElementNS(name.space, name.local); @@ -1204,7 +1205,7 @@ } function dragstart(id, position, subject, move, end) { return function() { - var that = this, target = d3.event.target, parent = that.parentNode, dispatch = event.of(that, arguments), dragged = 0, dragId = id(), dragName = ".drag" + (dragId == null ? "" : "-" + dragId), dragOffset, dragSubject = d3.select(subject(target)).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(target), position0 = position(parent, dragId); + var that = this, target = d3.event.target.correspondingElement || d3.event.target, parent = that.parentNode, dispatch = event.of(that, arguments), dragged = 0, dragId = id(), dragName = ".drag" + (dragId == null ? "" : "-" + dragId), dragOffset, dragSubject = d3.select(subject(target)).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(target), position0 = position(parent, dragId); if (origin) { dragOffset = origin.apply(that, arguments); dragOffset = [ dragOffset.x - position0[0], dragOffset.y - position0[1] ]; @@ -7565,7 +7566,9 @@ return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp"); } function d3_scale_linearNice(domain, m) { - return d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2])); + d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2])); + d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2])); + return domain; } function d3_scale_linearTickRange(domain, m) { if (m == null) m = 10; diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index 82a5f70..2856dd2 100644 --- a/app/assets/javascripts/d3.min.js +++ 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a/app/assets/javascripts/d3.v3.js +++ b/app/assets/javascripts/d3.v3.js @@ -1,6 +1,6 @@ !function() { var d3 = { - version: "3.5.11" + version: "3.5.16" }; var d3_arraySlice = [].slice, d3_array = function(list) { return d3_arraySlice.call(list); @@ -220,20 +220,20 @@ while (i < n) pairs[i] = [ p0 = p1, p1 = array[++i] ]; return pairs; }; - d3.zip = function() { - if (!(n = arguments.length)) return []; - for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m; ) { - for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n; ) { - zip[j] = arguments[j][i]; + d3.transpose = function(matrix) { + if (!(n = matrix.length)) return []; + for (var i = -1, m = d3.min(matrix, d3_transposeLength), transpose = new Array(m); ++i < m; ) { + for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n; ) { + row[j] = matrix[j][i]; } } - return zips; + return transpose; }; - function d3_zipLength(d) { + function d3_transposeLength(d) { return d.length; } - d3.transpose = function(matrix) { - return d3.zip.apply(d3, matrix); + d3.zip = function() { + return d3.transpose(arguments); }; d3.keys = function(map) { var keys = []; @@ -620,9 +620,10 @@ return d3_selectAll(selector, this); }; } + var d3_nsXhtml = "http://www.w3.org/1999/xhtml"; var d3_nsPrefix = { svg: "http://www.w3.org/2000/svg", - xhtml: "http://www.w3.org/1999/xhtml", + xhtml: d3_nsXhtml, xlink: "http://www.w3.org/1999/xlink", xml: "http://www.w3.org/XML/1998/namespace", xmlns: "http://www.w3.org/2000/xmlns/" @@ -805,7 +806,7 @@ function d3_selection_creator(name) { function create() { var document = this.ownerDocument, namespace = this.namespaceURI; - return namespace ? document.createElementNS(namespace, name) : document.createElement(name); + return namespace === d3_nsXhtml && document.documentElement.namespaceURI === d3_nsXhtml ? document.createElement(name) : document.createElementNS(namespace, name); } function createNS() { return this.ownerDocument.createElementNS(name.space, name.local); @@ -1204,7 +1205,7 @@ } function dragstart(id, position, subject, move, end) { return function() { - var that = this, target = d3.event.target, parent = that.parentNode, dispatch = event.of(that, arguments), dragged = 0, dragId = id(), dragName = ".drag" + (dragId == null ? "" : "-" + dragId), dragOffset, dragSubject = d3.select(subject(target)).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(target), position0 = position(parent, dragId); + var that = this, target = d3.event.target.correspondingElement || d3.event.target, parent = that.parentNode, dispatch = event.of(that, arguments), dragged = 0, dragId = id(), dragName = ".drag" + (dragId == null ? "" : "-" + dragId), dragOffset, dragSubject = d3.select(subject(target)).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(target), position0 = position(parent, dragId); if (origin) { dragOffset = origin.apply(that, arguments); dragOffset = [ dragOffset.x - position0[0], dragOffset.y - position0[1] ]; @@ -7565,7 +7566,9 @@ return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp"); } function d3_scale_linearNice(domain, m) { - return d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2])); + d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2])); + d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2])); + return domain; } function d3_scale_linearTickRange(domain, m) { if (m == null) m = 10; diff --git a/app/assets/javascripts/d3.v3.min.js b/app/assets/javascripts/d3.v3.min.js index 82a5f70..2856dd2 100755 --- a/app/assets/javascripts/d3.v3.min.js +++ 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b/lib/d3/rails/version.rb @@ -1,5 +1,5 @@ module D3 module Rails - VERSION = "3.5.11" + VERSION = "3.5.16" end end From 3166447e7a77c986e74defc90375975d1755482f Mon Sep 17 00:00:00 2001 From: Stuart Swindells Date: Sun, 3 Jul 2016 20:31:00 +0000 Subject: [PATCH 04/42] Upgrade to D3.js v3.5.17 --- CHANGELOG.md | 3 +++ README.md | 2 +- app/assets/javascripts/d3.js | 4 ++-- app/assets/javascripts/d3.min.js | 10 +++++----- app/assets/javascripts/d3.v3.js | 4 ++-- app/assets/javascripts/d3.v3.min.js | 10 +++++----- lib/d3/rails/version.rb | 2 +- 7 files changed, 19 insertions(+), 16 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 9fff7c8..6ec14e9 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## 3.5.17 (3 July 2016) +* Upgrade D3 to 3.5.17 + ## 3.5.16 (28 March 2016) * Upgrade D3 to 3.5.16 diff --git a/README.md b/README.md index 1900f87..0fc7fec 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 3.5.16 of D3.js. The d3-rails version will +d3-rails comes with version 3.5.17 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index 2e70a83..aded45c 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,6 +1,6 @@ !function() { var d3 = { - version: "3.5.16" + version: "3.5.17" }; var d3_arraySlice = [].slice, d3_array = function(list) { return d3_arraySlice.call(list); @@ -3525,7 +3525,7 @@ λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ, point0 = point; } } - return (polarAngle < -ε || polarAngle < ε && d3_geo_areaRingSum < 0) ^ winding & 1; + return (polarAngle < -ε || polarAngle < ε && d3_geo_areaRingSum < -ε) ^ winding & 1; } function d3_geo_clipCircle(radius) { var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians); diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index 2856dd2..1664873 100644 --- 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b/lib/d3/rails/version.rb @@ -1,5 +1,5 @@ module D3 module Rails - VERSION = "3.5.16" + VERSION = "3.5.17" end end From e737f3ed322e64870ec9d9a8d2958addfbfa0919 Mon Sep 17 00:00:00 2001 From: David Hampl Date: Thu, 7 Jul 2016 15:36:08 +0200 Subject: [PATCH 05/42] upgrade d3js to v4.1.0 --- CHANGELOG.md | 4 + README.md | 2 +- Rakefile | 8 +- app/assets/javascripts/d3.js | 24577 ++++++++++++++++---------- app/assets/javascripts/d3.min.js | 13 +- app/assets/javascripts/d3.v4.js | 16187 +++++++++++++++++ app/assets/javascripts/d3.v4.min.js | 8 + lib/d3/rails/version.rb | 2 +- 8 files changed, 31818 insertions(+), 8983 deletions(-) create mode 100644 app/assets/javascripts/d3.v4.js create mode 100644 app/assets/javascripts/d3.v4.min.js diff --git a/CHANGELOG.md b/CHANGELOG.md index 6ec14e9..5538a2f 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,7 @@ +## 4.1.0 (7 July 2016) +* Upgrade D3 to 4.1.0 +* Keep D3.v3 at 3.5.17 + ## 3.5.17 (3 July 2016) * Upgrade D3 to 3.5.17 diff --git a/README.md b/README.md index 0fc7fec..5f50cbd 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 3.5.17 of D3.js. The d3-rails version will +d3-rails comes with version 4.1.0 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/Rakefile b/Rakefile index 545ee86..6bb3c85 100644 --- a/Rakefile +++ b/Rakefile @@ -4,10 +4,10 @@ Bundler::GemHelper.install_tasks namespace :d3 do desc 'Update d3 version' task :update_version do - `curl -o app/assets/javascripts/d3.js https://raw.githubusercontent.com/mbostock/d3/master/d3.js` - `curl -o app/assets/javascripts/d3.min.js https://raw.githubusercontent.com/mbostock/d3/master/d3.min.js` - `cp app/assets/javascripts/d3.js app/assets/javascripts/d3.v3.js` - `cp app/assets/javascripts/d3.min.js app/assets/javascripts/d3.v3.min.js` + `curl -o app/assets/javascripts/d3.js https://d3js.org/d3.v4.js` + `curl -o app/assets/javascripts/d3.min.js https://d3js.org/d3.v4.min.js` + `cp app/assets/javascripts/d3.js app/assets/javascripts/d3.v4.js` + `cp app/assets/javascripts/d3.min.js app/assets/javascripts/d3.v4.min.js` version = `grep 'version: ".*"' app/assets/javascripts/d3.js | cut -d '"' -f 2`.strip message = <<-MSG Please update the version to #{version} manually in the following files: diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index aded45c..cbba731 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,262 +1,329 @@ -!function() { - var d3 = { - version: "3.5.17" - }; - var d3_arraySlice = [].slice, d3_array = function(list) { - return d3_arraySlice.call(list); - }; - var d3_document = this.document; - function d3_documentElement(node) { - return node && (node.ownerDocument || node.document || node).documentElement; +// https://d3js.org Version 4.1.0. Copyright 2016 Mike Bostock. +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : + typeof define === 'function' && define.amd ? define(['exports'], factory) : + (factory((global.d3 = global.d3 || {}))); +}(this, function (exports) { 'use strict'; + + var version = "4.1.0"; + + function ascending(a, b) { + return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; } - function d3_window(node) { - return node && (node.ownerDocument && node.ownerDocument.defaultView || node.document && node || node.defaultView); + + function bisector(compare) { + if (compare.length === 1) compare = ascendingComparator(compare); + return { + left: function(a, x, lo, hi) { + if (lo == null) lo = 0; + if (hi == null) hi = a.length; + while (lo < hi) { + var mid = lo + hi >>> 1; + if (compare(a[mid], x) < 0) lo = mid + 1; + else hi = mid; + } + return lo; + }, + right: function(a, x, lo, hi) { + if (lo == null) lo = 0; + if (hi == null) hi = a.length; + while (lo < hi) { + var mid = lo + hi >>> 1; + if (compare(a[mid], x) > 0) hi = mid; + else lo = mid + 1; + } + return lo; + } + }; } - if (d3_document) { - try { - d3_array(d3_document.documentElement.childNodes)[0].nodeType; - } catch (e) { - d3_array = function(list) { - var i = list.length, array = new Array(i); - while (i--) array[i] = list[i]; - return array; - }; - } + + function ascendingComparator(f) { + return function(d, x) { + return ascending(f(d), x); + }; } - if (!Date.now) Date.now = function() { - return +new Date(); - }; - if (d3_document) { - try { - d3_document.createElement("DIV").style.setProperty("opacity", 0, ""); - } catch (error) { - var d3_element_prototype = this.Element.prototype, d3_element_setAttribute = d3_element_prototype.setAttribute, d3_element_setAttributeNS = d3_element_prototype.setAttributeNS, d3_style_prototype = this.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty; - d3_element_prototype.setAttribute = function(name, value) { - d3_element_setAttribute.call(this, name, value + ""); - }; - d3_element_prototype.setAttributeNS = function(space, local, value) { - d3_element_setAttributeNS.call(this, space, local, value + ""); - }; - d3_style_prototype.setProperty = function(name, value, priority) { - d3_style_setProperty.call(this, name, value + "", priority); - }; - } + + var ascendingBisect = bisector(ascending); + var bisectRight = ascendingBisect.right; + var bisectLeft = ascendingBisect.left; + + function descending(a, b) { + return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; } - d3.ascending = d3_ascending; - function d3_ascending(a, b) { - return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; + + function number(x) { + return x === null ? NaN : +x; } - d3.descending = function(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; - }; - d3.min = function(array, f) { - var i = -1, n = array.length, a, b; - if (arguments.length === 1) { - while (++i < n) if ((b = array[i]) != null && b >= b) { - a = b; - break; - } - while (++i < n) if ((b = array[i]) != null && a > b) a = b; - } else { - while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) { - a = b; - break; + + function variance(array, f) { + var n = array.length, + m = 0, + a, + d, + s = 0, + i = -1, + j = 0; + + if (f == null) { + while (++i < n) { + if (!isNaN(a = number(array[i]))) { + d = a - m; + m += d / ++j; + s += d * (a - m); + } } - while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b; } - return a; - }; - d3.max = function(array, f) { - var i = -1, n = array.length, a, b; - if (arguments.length === 1) { - while (++i < n) if ((b = array[i]) != null && b >= b) { - a = b; - break; - } - while (++i < n) if ((b = array[i]) != null && b > a) a = b; - } else { - while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) { - a = b; - break; + + else { + while (++i < n) { + if (!isNaN(a = number(f(array[i], i, array)))) { + d = a - m; + m += d / ++j; + s += d * (a - m); + } } - while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b; } - return a; - }; - d3.extent = function(array, f) { - var i = -1, n = array.length, a, b, c; - if (arguments.length === 1) { - while (++i < n) if ((b = array[i]) != null && b >= b) { - a = c = b; - break; - } + + if (j > 1) return s / (j - 1); + } + + function deviation(array, f) { + var v = variance(array, f); + return v ? Math.sqrt(v) : v; + } + + function extent(array, f) { + var i = -1, + n = array.length, + a, + b, + c; + + if (f == null) { + while (++i < n) if ((b = array[i]) != null && b >= b) { a = c = b; break; } while (++i < n) if ((b = array[i]) != null) { if (a > b) a = b; if (c < b) c = b; } - } else { - while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) { - a = c = b; - break; - } - while (++i < n) if ((b = f.call(array, array[i], i)) != null) { + } + + else { + while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = c = b; break; } + while (++i < n) if ((b = f(array[i], i, array)) != null) { if (a > b) a = b; if (c < b) c = b; } } - return [ a, c ]; - }; - function d3_number(x) { - return x === null ? NaN : +x; + + return [a, c]; } - function d3_numeric(x) { - return !isNaN(x); + + var array = Array.prototype; + + var slice = array.slice; + var map = array.map; + + function constant(x) { + return function() { + return x; + }; } - d3.sum = function(array, f) { - var s = 0, n = array.length, a, i = -1; - if (arguments.length === 1) { - while (++i < n) if (d3_numeric(a = +array[i])) s += a; - } else { - while (++i < n) if (d3_numeric(a = +f.call(array, array[i], i))) s += a; - } - return s; - }; - d3.mean = function(array, f) { - var s = 0, n = array.length, a, i = -1, j = n; - if (arguments.length === 1) { - while (++i < n) if (d3_numeric(a = d3_number(array[i]))) s += a; else --j; - } else { - while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) s += a; else --j; - } - if (j) return s / j; - }; - d3.quantile = function(values, p) { - var H = (values.length - 1) * p + 1, h = Math.floor(H), v = +values[h - 1], e = H - h; - return e ? v + e * (values[h] - v) : v; - }; - d3.median = function(array, f) { - var numbers = [], n = array.length, a, i = -1; - if (arguments.length === 1) { - while (++i < n) if (d3_numeric(a = d3_number(array[i]))) numbers.push(a); - } else { - while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) numbers.push(a); + + function identity(x) { + return x; + } + + function range(start, stop, step) { + start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; + + var i = -1, + n = Math.max(0, Math.ceil((stop - start) / step)) | 0, + range = new Array(n); + + while (++i < n) { + range[i] = start + i * step; } - if (numbers.length) return d3.quantile(numbers.sort(d3_ascending), .5); - }; - d3.variance = function(array, f) { - var n = array.length, m = 0, a, d, s = 0, i = -1, j = 0; - if (arguments.length === 1) { - while (++i < n) { - if (d3_numeric(a = d3_number(array[i]))) { - d = a - m; - m += d / ++j; - s += d * (a - m); - } + + return range; + } + + var e10 = Math.sqrt(50); + var e5 = Math.sqrt(10); + var e2 = Math.sqrt(2); + function ticks(start, stop, count) { + var step = tickStep(start, stop, count); + return range( + Math.ceil(start / step) * step, + Math.floor(stop / step) * step + step / 2, // inclusive + step + ); + } + + function tickStep(start, stop, count) { + var step0 = Math.abs(stop - start) / Math.max(0, count), + step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)), + error = step0 / step1; + if (error >= e10) step1 *= 10; + else if (error >= e5) step1 *= 5; + else if (error >= e2) step1 *= 2; + return stop < start ? -step1 : step1; + } + + function sturges(values) { + return Math.ceil(Math.log(values.length) / Math.LN2) + 1; + } + + function histogram() { + var value = identity, + domain = extent, + threshold = sturges; + + function histogram(data) { + var i, + n = data.length, + x, + values = new Array(n); + + for (i = 0; i < n; ++i) { + values[i] = value(data[i], i, data); } - } else { - while (++i < n) { - if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) { - d = a - m; - m += d / ++j; - s += d * (a - m); - } + + var xz = domain(values), + x0 = xz[0], + x1 = xz[1], + tz = threshold(values, x0, x1); + + // Convert number of thresholds into uniform thresholds. + if (!Array.isArray(tz)) tz = ticks(x0, x1, tz); + + // Remove any thresholds outside the domain. + var m = tz.length; + while (tz[0] <= x0) tz.shift(), --m; + while (tz[m - 1] >= x1) tz.pop(), --m; + + var bins = new Array(m + 1), + bin; + + // Initialize bins. + for (i = 0; i <= m; ++i) { + bin = bins[i] = []; + bin.x0 = i > 0 ? tz[i - 1] : x0; + bin.x1 = i < m ? tz[i] : x1; } - } - if (j > 1) return s / (j - 1); - }; - d3.deviation = function() { - var v = d3.variance.apply(this, arguments); - return v ? Math.sqrt(v) : v; - }; - function d3_bisector(compare) { - return { - left: function(a, x, lo, hi) { - if (arguments.length < 3) lo = 0; - if (arguments.length < 4) hi = a.length; - while (lo < hi) { - var mid = lo + hi >>> 1; - if (compare(a[mid], x) < 0) lo = mid + 1; else hi = mid; - } - return lo; - }, - right: function(a, x, lo, hi) { - if (arguments.length < 3) lo = 0; - if (arguments.length < 4) hi = a.length; - while (lo < hi) { - var mid = lo + hi >>> 1; - if (compare(a[mid], x) > 0) hi = mid; else lo = mid + 1; + + // Assign data to bins by value, ignoring any outside the domain. + for (i = 0; i < n; ++i) { + x = values[i]; + if (x0 <= x && x <= x1) { + bins[bisectRight(tz, x, 0, m)].push(data[i]); } - return lo; } + + return bins; + } + + histogram.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant(_), histogram) : value; + }; + + histogram.domain = function(_) { + return arguments.length ? (domain = typeof _ === "function" ? _ : constant([_[0], _[1]]), histogram) : domain; }; + + histogram.thresholds = function(_) { + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), histogram) : threshold; + }; + + return histogram; } - var d3_bisect = d3_bisector(d3_ascending); - d3.bisectLeft = d3_bisect.left; - d3.bisect = d3.bisectRight = d3_bisect.right; - d3.bisector = function(f) { - return d3_bisector(f.length === 1 ? function(d, x) { - return d3_ascending(f(d), x); - } : f); - }; - d3.shuffle = function(array, i0, i1) { - if ((m = arguments.length) < 3) { - i1 = array.length; - if (m < 2) i0 = 0; + + function threshold(array, p, f) { + if (f == null) f = number; + if (!(n = array.length)) return; + if ((p = +p) <= 0 || n < 2) return +f(array[0], 0, array); + if (p >= 1) return +f(array[n - 1], n - 1, array); + var n, + h = (n - 1) * p, + i = Math.floor(h), + a = +f(array[i], i, array), + b = +f(array[i + 1], i + 1, array); + return a + (b - a) * (h - i); + } + + function freedmanDiaconis(values, min, max) { + values = map.call(values, number).sort(ascending); + return Math.ceil((max - min) / (2 * (threshold(values, 0.75) - threshold(values, 0.25)) * Math.pow(values.length, -1 / 3))); + } + + function scott(values, min, max) { + return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3))); + } + + function max(array, f) { + var i = -1, + n = array.length, + a, + b; + + if (f == null) { + while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } + while (++i < n) if ((b = array[i]) != null && b > a) a = b; } - var m = i1 - i0, t, i; - while (m) { - i = Math.random() * m-- | 0; - t = array[m + i0], array[m + i0] = array[i + i0], array[i + i0] = t; + + else { + while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } + while (++i < n) if ((b = f(array[i], i, array)) != null && b > a) a = b; } - return array; - }; - d3.permute = function(array, indexes) { - var i = indexes.length, permutes = new Array(i); - while (i--) permutes[i] = array[indexes[i]]; - return permutes; - }; - d3.pairs = function(array) { - var i = 0, n = array.length - 1, p0, p1 = array[0], pairs = new Array(n < 0 ? 0 : n); - while (i < n) pairs[i] = [ p0 = p1, p1 = array[++i] ]; - return pairs; - }; - d3.transpose = function(matrix) { - if (!(n = matrix.length)) return []; - for (var i = -1, m = d3.min(matrix, d3_transposeLength), transpose = new Array(m); ++i < m; ) { - for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n; ) { - row[j] = matrix[j][i]; - } + + return a; + } + + function mean(array, f) { + var s = 0, + n = array.length, + a, + i = -1, + j = n; + + if (f == null) { + while (++i < n) if (!isNaN(a = number(array[i]))) s += a; else --j; } - return transpose; - }; - function d3_transposeLength(d) { - return d.length; + + else { + while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) s += a; else --j; + } + + if (j) return s / j; } - d3.zip = function() { - return d3.transpose(arguments); - }; - d3.keys = function(map) { - var keys = []; - for (var key in map) keys.push(key); - return keys; - }; - d3.values = function(map) { - var values = []; - for (var key in map) values.push(map[key]); - return values; - }; - d3.entries = function(map) { - var entries = []; - for (var key in map) entries.push({ - key: key, - value: map[key] - }); - return entries; - }; - d3.merge = function(arrays) { - var n = arrays.length, m, i = -1, j = 0, merged, array; + + function median(array, f) { + var numbers = [], + n = array.length, + a, + i = -1; + + if (f == null) { + while (++i < n) if (!isNaN(a = number(array[i]))) numbers.push(a); + } + + else { + while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) numbers.push(a); + } + + return threshold(numbers.sort(ascending), 0.5); + } + + function merge(arrays) { + var n = arrays.length, + m, + i = -1, + j = 0, + merged, + array; + while (++i < n) j += arrays[i].length; merged = new Array(j); + while (--n >= 0) { array = arrays[n]; m = array.length; @@ -264,9291 +331,15857 @@ merged[--j] = array[m]; } } + return merged; - }; - var abs = Math.abs; - d3.range = function(start, stop, step) { - if (arguments.length < 3) { - step = 1; - if (arguments.length < 2) { - stop = start; - start = 0; - } + } + + function min(array, f) { + var i = -1, + n = array.length, + a, + b; + + if (f == null) { + while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } + while (++i < n) if ((b = array[i]) != null && a > b) a = b; } - if ((stop - start) / step === Infinity) throw new Error("infinite range"); - var range = [], k = d3_range_integerScale(abs(step)), i = -1, j; - start *= k, stop *= k, step *= k; - if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k); - return range; - }; - function d3_range_integerScale(x) { - var k = 1; - while (x * k % 1) k *= 10; - return k; - } - function d3_class(ctor, properties) { - for (var key in properties) { - Object.defineProperty(ctor.prototype, key, { - value: properties[key], - enumerable: false - }); + + else { + while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } + while (++i < n) if ((b = f(array[i], i, array)) != null && a > b) a = b; } + + return a; } - d3.map = function(object, f) { - var map = new d3_Map(); - if (object instanceof d3_Map) { - object.forEach(function(key, value) { - map.set(key, value); - }); - } else if (Array.isArray(object)) { - var i = -1, n = object.length, o; - if (arguments.length === 1) while (++i < n) map.set(i, object[i]); else while (++i < n) map.set(f.call(object, o = object[i], i), o); - } else { - for (var key in object) map.set(key, object[key]); - } - return map; - }; - function d3_Map() { - this._ = Object.create(null); + + function pairs(array) { + var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n); + while (i < n) pairs[i] = [p, p = array[++i]]; + return pairs; } - var d3_map_proto = "__proto__", d3_map_zero = "\x00"; - d3_class(d3_Map, { - has: d3_map_has, - get: function(key) { - return this._[d3_map_escape(key)]; - }, - set: function(key, value) { - return this._[d3_map_escape(key)] = value; - }, - remove: d3_map_remove, - keys: d3_map_keys, - values: function() { - var values = []; - for (var key in this._) values.push(this._[key]); - return values; - }, - entries: function() { - var entries = []; - for (var key in this._) entries.push({ - key: d3_map_unescape(key), - value: this._[key] - }); - return entries; - }, - size: d3_map_size, - empty: d3_map_empty, - forEach: function(f) { - for (var key in this._) f.call(this, d3_map_unescape(key), this._[key]); - } - }); - function d3_map_escape(key) { - return (key += "") === d3_map_proto || key[0] === d3_map_zero ? d3_map_zero + key : key; + + function permute(array, indexes) { + var i = indexes.length, permutes = new Array(i); + while (i--) permutes[i] = array[indexes[i]]; + return permutes; } - function d3_map_unescape(key) { - return (key += "")[0] === d3_map_zero ? key.slice(1) : key; + + function scan(array, compare) { + if (!(n = array.length)) return; + var i = 0, + n, + j = 0, + xi, + xj = array[j]; + + if (!compare) compare = ascending; + + while (++i < n) if (compare(xi = array[i], xj) < 0 || compare(xj, xj) !== 0) xj = xi, j = i; + + if (compare(xj, xj) === 0) return j; } - function d3_map_has(key) { - return d3_map_escape(key) in this._; + + function shuffle(array, i0, i1) { + var m = (i1 == null ? array.length : i1) - (i0 = i0 == null ? 0 : +i0), + t, + i; + + while (m) { + i = Math.random() * m-- | 0; + t = array[m + i0]; + array[m + i0] = array[i + i0]; + array[i + i0] = t; + } + + return array; } - function d3_map_remove(key) { - return (key = d3_map_escape(key)) in this._ && delete this._[key]; + + function sum(array, f) { + var s = 0, + n = array.length, + a, + i = -1; + + if (f == null) { + while (++i < n) if (a = +array[i]) s += a; // Note: zero and null are equivalent. + } + + else { + while (++i < n) if (a = +f(array[i], i, array)) s += a; + } + + return s; } - function d3_map_keys() { - var keys = []; - for (var key in this._) keys.push(d3_map_unescape(key)); - return keys; + + function transpose(matrix) { + if (!(n = matrix.length)) return []; + for (var i = -1, m = min(matrix, length), transpose = new Array(m); ++i < m;) { + for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n;) { + row[j] = matrix[j][i]; + } + } + return transpose; } - function d3_map_size() { - var size = 0; - for (var key in this._) ++size; - return size; + + function length(d) { + return d.length; } - function d3_map_empty() { - for (var key in this._) return false; - return true; + + function zip() { + return transpose(arguments); + } + + var prefix = "$"; + + function Map() {} + + Map.prototype = map$1.prototype = { + constructor: Map, + has: function(key) { + return (prefix + key) in this; + }, + get: function(key) { + return this[prefix + key]; + }, + set: function(key, value) { + this[prefix + key] = value; + return this; + }, + remove: function(key) { + var property = prefix + key; + return property in this && delete this[property]; + }, + clear: function() { + for (var property in this) if (property[0] === prefix) delete this[property]; + }, + keys: function() { + var keys = []; + for (var property in this) if (property[0] === prefix) keys.push(property.slice(1)); + return keys; + }, + values: function() { + var values = []; + for (var property in this) if (property[0] === prefix) values.push(this[property]); + return values; + }, + entries: function() { + var entries = []; + for (var property in this) if (property[0] === prefix) entries.push({key: property.slice(1), value: this[property]}); + return entries; + }, + size: function() { + var size = 0; + for (var property in this) if (property[0] === prefix) ++size; + return size; + }, + empty: function() { + for (var property in this) if (property[0] === prefix) return false; + return true; + }, + each: function(f) { + for (var property in this) if (property[0] === prefix) f(this[property], property.slice(1), this); + } + }; + + function map$1(object, f) { + var map = new Map; + + // Copy constructor. + if (object instanceof Map) object.each(function(value, key) { map.set(key, value); }); + + // Index array by numeric index or specified key function. + else if (Array.isArray(object)) { + var i = -1, + n = object.length, + o; + + if (f == null) while (++i < n) map.set(i, object[i]); + else while (++i < n) map.set(f(o = object[i], i, object), o); + } + + // Convert object to map. + else if (object) for (var key in object) map.set(key, object[key]); + + return map; } - d3.nest = function() { - var nest = {}, keys = [], sortKeys = [], sortValues, rollup; - function map(mapType, array, depth) { - if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array; - var i = -1, n = array.length, key = keys[depth++], keyValue, object, setter, valuesByKey = new d3_Map(), values; + + function nest() { + var keys = [], + sortKeys = [], + sortValues, + rollup, + nest; + + function apply(array, depth, createResult, setResult) { + if (depth >= keys.length) return rollup != null + ? rollup(array) : (sortValues != null + ? array.sort(sortValues) + : array); + + var i = -1, + n = array.length, + key = keys[depth++], + keyValue, + value, + valuesByKey = map$1(), + values, + result = createResult(); + while (++i < n) { - if (values = valuesByKey.get(keyValue = key(object = array[i]))) { - values.push(object); + if (values = valuesByKey.get(keyValue = key(value = array[i]) + "")) { + values.push(value); } else { - valuesByKey.set(keyValue, [ object ]); + valuesByKey.set(keyValue, [value]); } } - if (mapType) { - object = mapType(); - setter = function(keyValue, values) { - object.set(keyValue, map(mapType, values, depth)); - }; - } else { - object = {}; - setter = function(keyValue, values) { - object[keyValue] = map(mapType, values, depth); - }; - } - valuesByKey.forEach(setter); - return object; + + valuesByKey.each(function(values, key) { + setResult(result, key, apply(values, depth, createResult, setResult)); + }); + + return result; } + function entries(map, depth) { - if (depth >= keys.length) return map; - var array = [], sortKey = sortKeys[depth++]; - map.forEach(function(key, keyMap) { - array.push({ - key: key, - values: entries(keyMap, depth) - }); - }); - return sortKey ? array.sort(function(a, b) { - return sortKey(a.key, b.key); - }) : array; + if (++depth > keys.length) return map; + var array, sortKey = sortKeys[depth - 1]; + if (rollup != null && depth >= keys.length) array = map.entries(); + else array = [], map.each(function(v, k) { array.push({key: k, values: entries(v, depth)}); }); + return sortKey != null ? array.sort(function(a, b) { return sortKey(a.key, b.key); }) : array; } - nest.map = function(array, mapType) { - return map(mapType, array, 0); - }; - nest.entries = function(array) { - return entries(map(d3.map, array, 0), 0); - }; - nest.key = function(d) { - keys.push(d); - return nest; - }; - nest.sortKeys = function(order) { - sortKeys[keys.length - 1] = order; - return nest; - }; - nest.sortValues = function(order) { - sortValues = order; - return nest; - }; - nest.rollup = function(f) { - rollup = f; - return nest; + + return nest = { + object: function(array) { return apply(array, 0, createObject, setObject); }, + map: function(array) { return apply(array, 0, createMap, setMap); }, + entries: function(array) { return entries(apply(array, 0, createMap, setMap), 0); }, + key: function(d) { keys.push(d); return nest; }, + sortKeys: function(order) { sortKeys[keys.length - 1] = order; return nest; }, + sortValues: function(order) { sortValues = order; return nest; }, + rollup: function(f) { rollup = f; return nest; } }; - return nest; - }; - d3.set = function(array) { - var set = new d3_Set(); - if (array) for (var i = 0, n = array.length; i < n; ++i) set.add(array[i]); - return set; + } + + function createObject() { + return {}; + } + + function setObject(object, key, value) { + object[key] = value; + } + + function createMap() { + return map$1(); + } + + function setMap(map, key, value) { + map.set(key, value); + } + + function Set() {} + + var proto = map$1.prototype; + + Set.prototype = set.prototype = { + constructor: Set, + has: proto.has, + add: function(value) { + value += ""; + this[prefix + value] = value; + return this; + }, + remove: proto.remove, + clear: proto.clear, + values: proto.keys, + size: proto.size, + empty: proto.empty, + each: proto.each }; - function d3_Set() { - this._ = Object.create(null); - } - d3_class(d3_Set, { - has: d3_map_has, - add: function(key) { - this._[d3_map_escape(key += "")] = true; - return key; - }, - remove: d3_map_remove, - values: d3_map_keys, - size: d3_map_size, - empty: d3_map_empty, - forEach: function(f) { - for (var key in this._) f.call(this, d3_map_unescape(key)); + + function set(object, f) { + var set = new Set; + + // Copy constructor. + if (object instanceof Set) object.each(function(value) { set.add(value); }); + + // Otherwise, assume it’s an array. + else if (object) { + var i = -1, n = object.length; + if (f == null) while (++i < n) set.add(object[i]); + else while (++i < n) set.add(f(object[i], i, object)); } - }); - d3.behavior = {}; - function d3_identity(d) { - return d; + + return set; } - d3.rebind = function(target, source) { - var i = 1, n = arguments.length, method; - while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]); - return target; - }; - function d3_rebind(target, source, method) { + + function keys(map) { + var keys = []; + for (var key in map) keys.push(key); + return keys; + } + + function values(map) { + var values = []; + for (var key in map) values.push(map[key]); + return values; + } + + function entries(map) { + var entries = []; + for (var key in map) entries.push({key: key, value: map[key]}); + return entries; + } + + function uniform(min, max) { + min = min == null ? 0 : +min; + max = max == null ? 1 : +max; + if (arguments.length === 1) max = min, min = 0; + else max -= min; return function() { - var value = method.apply(source, arguments); - return value === source ? target : value; + return Math.random() * max + min; }; } - function d3_vendorSymbol(object, name) { - if (name in object) return name; - name = name.charAt(0).toUpperCase() + name.slice(1); - for (var i = 0, n = d3_vendorPrefixes.length; i < n; ++i) { - var prefixName = d3_vendorPrefixes[i] + name; - if (prefixName in object) return prefixName; - } + + function normal(mu, sigma) { + var x, r; + mu = mu == null ? 0 : +mu; + sigma = sigma == null ? 1 : +sigma; + return function() { + var y; + + // If available, use the second previously-generated uniform random. + if (x != null) y = x, x = null; + + // Otherwise, generate a new x and y. + else do { + x = Math.random() * 2 - 1; + y = Math.random() * 2 - 1; + r = x * x + y * y; + } while (!r || r > 1); + + return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); + }; } - var d3_vendorPrefixes = [ "webkit", "ms", "moz", "Moz", "o", "O" ]; - function d3_noop() {} - d3.dispatch = function() { - var dispatch = new d3_dispatch(), i = -1, n = arguments.length; - while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch); - return dispatch; - }; - function d3_dispatch() {} - d3_dispatch.prototype.on = function(type, listener) { - var i = type.indexOf("."), name = ""; - if (i >= 0) { - name = type.slice(i + 1); - type = type.slice(0, i); - } - if (type) return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener); - if (arguments.length === 2) { - if (listener == null) for (type in this) { - if (this.hasOwnProperty(type)) this[type].on(name, null); - } - return this; - } - }; - function d3_dispatch_event(dispatch) { - var listeners = [], listenerByName = new d3_Map(); - function event() { - var z = listeners, i = -1, n = z.length, l; - while (++i < n) if (l = z[i].on) l.apply(this, arguments); - return dispatch; - } - event.on = function(name, listener) { - var l = listenerByName.get(name), i; - if (arguments.length < 2) return l && l.on; - if (l) { - l.on = null; - listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1)); - listenerByName.remove(name); - } - if (listener) listeners.push(listenerByName.set(name, { - on: listener - })); - return dispatch; - }; - return event; - } - d3.event = null; - function d3_eventPreventDefault() { - d3.event.preventDefault(); - } - function d3_eventSource() { - var e = d3.event, s; - while (s = e.sourceEvent) e = s; - return e; - } - function d3_eventDispatch(target) { - var dispatch = new d3_dispatch(), i = 0, n = arguments.length; - while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch); - dispatch.of = function(thiz, argumentz) { - return function(e1) { - try { - var e0 = e1.sourceEvent = d3.event; - e1.target = target; - d3.event = e1; - dispatch[e1.type].apply(thiz, argumentz); - } finally { - d3.event = e0; - } - }; + + function logNormal() { + var randomNormal = normal.apply(this, arguments); + return function() { + return Math.exp(randomNormal()); }; - return dispatch; } - d3.requote = function(s) { - return s.replace(d3_requote_re, "\\$&"); - }; - var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; - var d3_subclass = {}.__proto__ ? function(object, prototype) { - object.__proto__ = prototype; - } : function(object, prototype) { - for (var property in prototype) object[property] = prototype[property]; - }; - function d3_selection(groups) { - d3_subclass(groups, d3_selectionPrototype); - return groups; - } - var d3_select = function(s, n) { - return n.querySelector(s); - }, d3_selectAll = function(s, n) { - return n.querySelectorAll(s); - }, d3_selectMatches = function(n, s) { - var d3_selectMatcher = n.matches || n[d3_vendorSymbol(n, "matchesSelector")]; - d3_selectMatches = function(n, s) { - return d3_selectMatcher.call(n, s); - }; - return d3_selectMatches(n, s); - }; - if (typeof Sizzle === "function") { - d3_select = function(s, n) { - return Sizzle(s, n)[0] || null; + + function irwinHall(n) { + return function() { + for (var sum = 0, i = 0; i < n; ++i) sum += Math.random(); + return sum; }; - d3_selectAll = Sizzle; - d3_selectMatches = Sizzle.matchesSelector; } - d3.selection = function() { - return d3.select(d3_document.documentElement); - }; - var d3_selectionPrototype = d3.selection.prototype = []; - d3_selectionPrototype.select = function(selector) { - var subgroups = [], subgroup, subnode, group, node; - selector = d3_selection_selector(selector); - for (var j = -1, m = this.length; ++j < m; ) { - subgroups.push(subgroup = []); - subgroup.parentNode = (group = this[j]).parentNode; - for (var i = -1, n = group.length; ++i < n; ) { - if (node = group[i]) { - subgroup.push(subnode = selector.call(node, node.__data__, i, j)); - if (subnode && "__data__" in node) subnode.__data__ = node.__data__; - } else { - subgroup.push(null); - } - } - } - return d3_selection(subgroups); - }; - function d3_selection_selector(selector) { - return typeof selector === "function" ? selector : function() { - return d3_select(selector, this); + + function bates(n) { + var randomIrwinHall = irwinHall(n); + return function() { + return randomIrwinHall() / n; }; } - d3_selectionPrototype.selectAll = function(selector) { - var subgroups = [], subgroup, node; - selector = d3_selection_selectorAll(selector); - for (var j = -1, m = this.length; ++j < m; ) { - for (var group = this[j], i = -1, n = group.length; ++i < n; ) { - if (node = group[i]) { - subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i, j))); - subgroup.parentNode = node; - } - } - } - return d3_selection(subgroups); - }; - function d3_selection_selectorAll(selector) { - return typeof selector === "function" ? selector : function() { - return d3_selectAll(selector, this); + + function exponential(lambda) { + return function() { + return -Math.log(1 - Math.random()) / lambda; }; } - var d3_nsXhtml = "http://www.w3.org/1999/xhtml"; - var d3_nsPrefix = { - svg: "http://www.w3.org/2000/svg", - xhtml: d3_nsXhtml, - xlink: "http://www.w3.org/1999/xlink", - xml: "http://www.w3.org/XML/1998/namespace", - xmlns: "http://www.w3.org/2000/xmlns/" - }; - d3.ns = { - prefix: d3_nsPrefix, - qualify: function(name) { - var i = name.indexOf(":"), prefix = name; - if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); - return d3_nsPrefix.hasOwnProperty(prefix) ? { - space: d3_nsPrefix[prefix], - local: name - } : name; - } - }; - d3_selectionPrototype.attr = function(name, value) { - if (arguments.length < 2) { - if (typeof name === "string") { - var node = this.node(); - name = d3.ns.qualify(name); - return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name); - } - for (value in name) this.each(d3_selection_attr(value, name[value])); - return this; - } - return this.each(d3_selection_attr(name, value)); - }; - function d3_selection_attr(name, value) { - name = d3.ns.qualify(name); - function attrNull() { - this.removeAttribute(name); - } - function attrNullNS() { - this.removeAttributeNS(name.space, name.local); - } - function attrConstant() { - this.setAttribute(name, value); - } - function attrConstantNS() { - this.setAttributeNS(name.space, name.local, value); - } - function attrFunction() { - var x = value.apply(this, arguments); - if (x == null) this.removeAttribute(name); else this.setAttribute(name, x); - } - function attrFunctionNS() { - var x = value.apply(this, arguments); - if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x); - } - return value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant; + + function linear(t) { + return +t; } - function d3_collapse(s) { - return s.trim().replace(/\s+/g, " "); + + function quadIn(t) { + return t * t; } - d3_selectionPrototype.classed = function(name, value) { - if (arguments.length < 2) { - if (typeof name === "string") { - var node = this.node(), n = (name = d3_selection_classes(name)).length, i = -1; - if (value = node.classList) { - while (++i < n) if (!value.contains(name[i])) return false; - } else { - value = node.getAttribute("class"); - while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false; - } - return true; - } - for (value in name) this.each(d3_selection_classed(value, name[value])); - return this; - } - return this.each(d3_selection_classed(name, value)); - }; - function d3_selection_classedRe(name) { - return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g"); + + function quadOut(t) { + return t * (2 - t); } - function d3_selection_classes(name) { - return (name + "").trim().split(/^|\s+/); + + function quadInOut(t) { + return ((t *= 2) <= 1 ? t * t : --t * (2 - t) + 1) / 2; } - function d3_selection_classed(name, value) { - name = d3_selection_classes(name).map(d3_selection_classedName); - var n = name.length; - function classedConstant() { - var i = -1; - while (++i < n) name[i](this, value); - } - function classedFunction() { - var i = -1, x = value.apply(this, arguments); - while (++i < n) name[i](this, x); - } - return typeof value === "function" ? classedFunction : classedConstant; - } - function d3_selection_classedName(name) { - var re = d3_selection_classedRe(name); - return function(node, value) { - if (c = node.classList) return value ? c.add(name) : c.remove(name); - var c = node.getAttribute("class") || ""; - if (value) { - re.lastIndex = 0; - if (!re.test(c)) node.setAttribute("class", d3_collapse(c + " " + name)); - } else { - node.setAttribute("class", d3_collapse(c.replace(re, " "))); - } - }; + + function cubicIn(t) { + return t * t * t; } - d3_selectionPrototype.style = function(name, value, priority) { - var n = arguments.length; - if (n < 3) { - if (typeof name !== "string") { - if (n < 2) value = ""; - for (priority in name) this.each(d3_selection_style(priority, name[priority], value)); - return this; - } - if (n < 2) { - var node = this.node(); - return d3_window(node).getComputedStyle(node, null).getPropertyValue(name); - } - priority = ""; - } - return this.each(d3_selection_style(name, value, priority)); - }; - function d3_selection_style(name, value, priority) { - function styleNull() { - this.style.removeProperty(name); - } - function styleConstant() { - this.style.setProperty(name, value, priority); - } - function styleFunction() { - var x = value.apply(this, arguments); - if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority); - } - return value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant; + + function cubicOut(t) { + return --t * t * t + 1; } - d3_selectionPrototype.property = function(name, value) { - if (arguments.length < 2) { - if (typeof name === "string") return this.node()[name]; - for (value in name) this.each(d3_selection_property(value, name[value])); - return this; - } - return this.each(d3_selection_property(name, value)); - }; - function d3_selection_property(name, value) { - function propertyNull() { - delete this[name]; + + function easeCubicInOut(t) { + return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2; + } + + var exponent = 3; + + var polyIn = (function custom(e) { + e = +e; + + function polyIn(t) { + return Math.pow(t, e); } - function propertyConstant() { - this[name] = value; + + polyIn.exponent = custom; + + return polyIn; + })(exponent); + + var polyOut = (function custom(e) { + e = +e; + + function polyOut(t) { + return 1 - Math.pow(1 - t, e); } - function propertyFunction() { - var x = value.apply(this, arguments); - if (x == null) delete this[name]; else this[name] = x; + + polyOut.exponent = custom; + + return polyOut; + })(exponent); + + var polyInOut = (function custom(e) { + e = +e; + + function polyInOut(t) { + return ((t *= 2) <= 1 ? Math.pow(t, e) : 2 - Math.pow(2 - t, e)) / 2; } - return value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant; + + polyInOut.exponent = custom; + + return polyInOut; + })(exponent); + + var pi = Math.PI; + var halfPi = pi / 2; + function sinIn(t) { + return 1 - Math.cos(t * halfPi); } - d3_selectionPrototype.text = function(value) { - return arguments.length ? this.each(typeof value === "function" ? function() { - var v = value.apply(this, arguments); - this.textContent = v == null ? "" : v; - } : value == null ? function() { - this.textContent = ""; - } : function() { - this.textContent = value; - }) : this.node().textContent; - }; - d3_selectionPrototype.html = function(value) { - return arguments.length ? this.each(typeof value === "function" ? function() { - var v = value.apply(this, arguments); - this.innerHTML = v == null ? "" : v; - } : value == null ? function() { - this.innerHTML = ""; - } : function() { - this.innerHTML = value; - }) : this.node().innerHTML; - }; - d3_selectionPrototype.append = function(name) { - name = d3_selection_creator(name); - return this.select(function() { - return this.appendChild(name.apply(this, arguments)); - }); - }; - function d3_selection_creator(name) { - function create() { - var document = this.ownerDocument, namespace = this.namespaceURI; - return namespace === d3_nsXhtml && document.documentElement.namespaceURI === d3_nsXhtml ? document.createElement(name) : document.createElementNS(namespace, name); - } - function createNS() { - return this.ownerDocument.createElementNS(name.space, name.local); - } - return typeof name === "function" ? name : (name = d3.ns.qualify(name)).local ? createNS : create; + + function sinOut(t) { + return Math.sin(t * halfPi); } - d3_selectionPrototype.insert = function(name, before) { - name = d3_selection_creator(name); - before = d3_selection_selector(before); - return this.select(function() { - return this.insertBefore(name.apply(this, arguments), before.apply(this, arguments) || null); - }); - }; - d3_selectionPrototype.remove = function() { - return this.each(d3_selectionRemove); - }; - function d3_selectionRemove() { - var parent = this.parentNode; - if (parent) parent.removeChild(this); + + function sinInOut(t) { + return (1 - Math.cos(pi * t)) / 2; } - d3_selectionPrototype.data = function(value, key) { - var i = -1, n = this.length, group, node; - if (!arguments.length) { - value = new Array(n = (group = this[0]).length); - while (++i < n) { - if (node = group[i]) { - value[i] = node.__data__; - } - } - return value; + + function expIn(t) { + return Math.pow(2, 10 * t - 10); + } + + function expOut(t) { + return 1 - Math.pow(2, -10 * t); + } + + function expInOut(t) { + return ((t *= 2) <= 1 ? Math.pow(2, 10 * t - 10) : 2 - Math.pow(2, 10 - 10 * t)) / 2; + } + + function circleIn(t) { + return 1 - Math.sqrt(1 - t * t); + } + + function circleOut(t) { + return Math.sqrt(1 - --t * t); + } + + function circleInOut(t) { + return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2; + } + + var b1 = 4 / 11; + var b2 = 6 / 11; + var b3 = 8 / 11; + var b4 = 3 / 4; + var b5 = 9 / 11; + var b6 = 10 / 11; + var b7 = 15 / 16; + var b8 = 21 / 22; + var b9 = 63 / 64; + var b0 = 1 / b1 / b1; + function bounceIn(t) { + return 1 - bounceOut(1 - t); + } + + function bounceOut(t) { + return (t = +t) < b1 ? b0 * t * t : t < b3 ? b0 * (t -= b2) * t + b4 : t < b6 ? b0 * (t -= b5) * t + b7 : b0 * (t -= b8) * t + b9; + } + + function bounceInOut(t) { + return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2; + } + + var overshoot = 1.70158; + + var backIn = (function custom(s) { + s = +s; + + function backIn(t) { + return t * t * ((s + 1) * t - s); } - function bind(group, groupData) { - var i, n = group.length, m = groupData.length, n0 = Math.min(n, m), updateNodes = new Array(m), enterNodes = new Array(m), exitNodes = new Array(n), node, nodeData; - if (key) { - var nodeByKeyValue = new d3_Map(), keyValues = new Array(n), keyValue; - for (i = -1; ++i < n; ) { - if (node = group[i]) { - if (nodeByKeyValue.has(keyValue = key.call(node, node.__data__, i))) { - exitNodes[i] = node; - } else { - nodeByKeyValue.set(keyValue, node); - } - keyValues[i] = keyValue; - } - } - for (i = -1; ++i < m; ) { - if (!(node = nodeByKeyValue.get(keyValue = key.call(groupData, nodeData = groupData[i], i)))) { - enterNodes[i] = d3_selection_dataNode(nodeData); - } else if (node !== true) { - updateNodes[i] = node; - node.__data__ = nodeData; - } - nodeByKeyValue.set(keyValue, true); - } - for (i = -1; ++i < n; ) { - if (i in keyValues && nodeByKeyValue.get(keyValues[i]) !== true) { - exitNodes[i] = group[i]; - } - } - } else { - for (i = -1; ++i < n0; ) { - node = group[i]; - nodeData = groupData[i]; - if (node) { - node.__data__ = nodeData; - updateNodes[i] = node; - } else { - enterNodes[i] = d3_selection_dataNode(nodeData); - } - } - for (;i < m; ++i) { - enterNodes[i] = d3_selection_dataNode(groupData[i]); - } - for (;i < n; ++i) { - exitNodes[i] = group[i]; - } - } - enterNodes.update = updateNodes; - enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode; - enter.push(enterNodes); - update.push(updateNodes); - exit.push(exitNodes); + + backIn.overshoot = custom; + + return backIn; + })(overshoot); + + var backOut = (function custom(s) { + s = +s; + + function backOut(t) { + return --t * t * ((s + 1) * t + s) + 1; } - var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]); - if (typeof value === "function") { - while (++i < n) { - bind(group = this[i], value.call(group, group.parentNode.__data__, i)); - } - } else { - while (++i < n) { - bind(group = this[i], value); - } + + backOut.overshoot = custom; + + return backOut; + })(overshoot); + + var backInOut = (function custom(s) { + s = +s; + + function backInOut(t) { + return ((t *= 2) < 1 ? t * t * ((s + 1) * t - s) : (t -= 2) * t * ((s + 1) * t + s) + 2) / 2; } - update.enter = function() { - return enter; - }; - update.exit = function() { - return exit; - }; - return update; - }; - function d3_selection_dataNode(data) { - return { - __data__: data - }; + + backInOut.overshoot = custom; + + return backInOut; + })(overshoot); + + var tau = 2 * Math.PI; + var amplitude = 1; + var period = 0.3; + var elasticIn = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); + + function elasticIn(t) { + return a * Math.pow(2, 10 * --t) * Math.sin((s - t) / p); + } + + elasticIn.amplitude = function(a) { return custom(a, p * tau); }; + elasticIn.period = function(p) { return custom(a, p); }; + + return elasticIn; + })(amplitude, period); + + var elasticOut = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); + + function elasticOut(t) { + return 1 - a * Math.pow(2, -10 * (t = +t)) * Math.sin((t + s) / p); + } + + elasticOut.amplitude = function(a) { return custom(a, p * tau); }; + elasticOut.period = function(p) { return custom(a, p); }; + + return elasticOut; + })(amplitude, period); + + var elasticInOut = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); + + function elasticInOut(t) { + return ((t = t * 2 - 1) < 0 + ? a * Math.pow(2, 10 * t) * Math.sin((s - t) / p) + : 2 - a * Math.pow(2, -10 * t) * Math.sin((s + t) / p)) / 2; + } + + elasticInOut.amplitude = function(a) { return custom(a, p * tau); }; + elasticInOut.period = function(p) { return custom(a, p); }; + + return elasticInOut; + })(amplitude, period); + + function area(polygon) { + var i = -1, + n = polygon.length, + a, + b = polygon[n - 1], + area = 0; + + while (++i < n) { + a = b; + b = polygon[i]; + area += a[1] * b[0] - a[0] * b[1]; + } + + return area / 2; } - d3_selectionPrototype.datum = function(value) { - return arguments.length ? this.property("__data__", value) : this.property("__data__"); - }; - d3_selectionPrototype.filter = function(filter) { - var subgroups = [], subgroup, group, node; - if (typeof filter !== "function") filter = d3_selection_filter(filter); - for (var j = 0, m = this.length; j < m; j++) { - subgroups.push(subgroup = []); - subgroup.parentNode = (group = this[j]).parentNode; - for (var i = 0, n = group.length; i < n; i++) { - if ((node = group[i]) && filter.call(node, node.__data__, i, j)) { - subgroup.push(node); - } - } + + function centroid(polygon) { + var i = -1, + n = polygon.length, + x = 0, + y = 0, + a, + b = polygon[n - 1], + c, + k = 0; + + while (++i < n) { + a = b; + b = polygon[i]; + k += c = a[0] * b[1] - b[0] * a[1]; + x += (a[0] + b[0]) * c; + y += (a[1] + b[1]) * c; } - return d3_selection(subgroups); - }; - function d3_selection_filter(selector) { - return function() { - return d3_selectMatches(this, selector); - }; + + return k *= 3, [x / k, y / k]; } - d3_selectionPrototype.order = function() { - for (var j = -1, m = this.length; ++j < m; ) { - for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) { - if (node = group[i]) { - if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); - next = node; - } - } + + // Returns the 2D cross product of AB and AC vectors, i.e., the z-component of + // the 3D cross product in a quadrant I Cartesian coordinate system (+x is + // right, +y is up). Returns a positive value if ABC is counter-clockwise, + // negative if clockwise, and zero if the points are collinear. + function cross(a, b, c) { + return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); + } + + function lexicographicOrder(a, b) { + return a[0] - b[0] || a[1] - b[1]; + } + + // Computes the upper convex hull per the monotone chain algorithm. + // Assumes points.length >= 3, is sorted by x, unique in y. + // Returns an array of indices into points in left-to-right order. + function computeUpperHullIndexes(points) { + var n = points.length, + indexes = [0, 1], + size = 2; + + for (var i = 2; i < n; ++i) { + while (size > 1 && cross(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size; + indexes[size++] = i; } - return this; - }; - d3_selectionPrototype.sort = function(comparator) { - comparator = d3_selection_sortComparator.apply(this, arguments); - for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator); - return this.order(); - }; - function d3_selection_sortComparator(comparator) { - if (!arguments.length) comparator = d3_ascending; - return function(a, b) { - return a && b ? comparator(a.__data__, b.__data__) : !a - !b; - }; + + return indexes.slice(0, size); // remove popped points } - d3_selectionPrototype.each = function(callback) { - return d3_selection_each(this, function(node, i, j) { - callback.call(node, node.__data__, i, j); - }); - }; - function d3_selection_each(groups, callback) { - for (var j = 0, m = groups.length; j < m; j++) { - for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) { - if (node = group[i]) callback(node, i, j); - } + + function hull(points) { + if ((n = points.length) < 3) return null; + + var i, + n, + sortedPoints = new Array(n), + flippedPoints = new Array(n); + + for (i = 0; i < n; ++i) sortedPoints[i] = [+points[i][0], +points[i][1], i]; + sortedPoints.sort(lexicographicOrder); + for (i = 0; i < n; ++i) flippedPoints[i] = [sortedPoints[i][0], -sortedPoints[i][1]]; + + var upperIndexes = computeUpperHullIndexes(sortedPoints), + lowerIndexes = computeUpperHullIndexes(flippedPoints); + + // Construct the hull polygon, removing possible duplicate endpoints. + var skipLeft = lowerIndexes[0] === upperIndexes[0], + skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1], + hull = []; + + // Add upper hull in right-to-l order. + // Then add lower hull in left-to-right order. + for (i = upperIndexes.length - 1; i >= 0; --i) hull.push(points[sortedPoints[upperIndexes[i]][2]]); + for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]); + + return hull; + } + + function contains(polygon, point) { + var n = polygon.length, + p = polygon[n - 1], + x = point[0], y = point[1], + x0 = p[0], y0 = p[1], + x1, y1, + inside = false; + + for (var i = 0; i < n; ++i) { + p = polygon[i], x1 = p[0], y1 = p[1]; + if (((y1 > y) !== (y0 > y)) && (x < (x0 - x1) * (y - y1) / (y0 - y1) + x1)) inside = !inside; + x0 = x1, y0 = y1; } - return groups; + + return inside; } - d3_selectionPrototype.call = function(callback) { - var args = d3_array(arguments); - callback.apply(args[0] = this, args); - return this; - }; - d3_selectionPrototype.empty = function() { - return !this.node(); - }; - d3_selectionPrototype.node = function() { - for (var j = 0, m = this.length; j < m; j++) { - for (var group = this[j], i = 0, n = group.length; i < n; i++) { - var node = group[i]; - if (node) return node; - } + + function length$1(polygon) { + var i = -1, + n = polygon.length, + b = polygon[n - 1], + xa, + ya, + xb = b[0], + yb = b[1], + perimeter = 0; + + while (++i < n) { + xa = xb; + ya = yb; + b = polygon[i]; + xb = b[0]; + yb = b[1]; + xa -= xb; + ya -= yb; + perimeter += Math.sqrt(xa * xa + ya * ya); } - return null; - }; - d3_selectionPrototype.size = function() { - var n = 0; - d3_selection_each(this, function() { - ++n; - }); - return n; - }; - function d3_selection_enter(selection) { - d3_subclass(selection, d3_selection_enterPrototype); - return selection; - } - var d3_selection_enterPrototype = []; - d3.selection.enter = d3_selection_enter; - d3.selection.enter.prototype = d3_selection_enterPrototype; - d3_selection_enterPrototype.append = d3_selectionPrototype.append; - d3_selection_enterPrototype.empty = d3_selectionPrototype.empty; - d3_selection_enterPrototype.node = d3_selectionPrototype.node; - d3_selection_enterPrototype.call = d3_selectionPrototype.call; - d3_selection_enterPrototype.size = d3_selectionPrototype.size; - d3_selection_enterPrototype.select = function(selector) { - var subgroups = [], subgroup, subnode, upgroup, group, node; - for (var j = -1, m = this.length; ++j < m; ) { - upgroup = (group = this[j]).update; - subgroups.push(subgroup = []); - subgroup.parentNode = group.parentNode; - for (var i = -1, n = group.length; ++i < n; ) { - if (node = group[i]) { - subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i, j)); - subnode.__data__ = node.__data__; - } else { - subgroup.push(null); + + return perimeter; + } + +var pi$1 = Math.PI; +var tau$1 = 2 * pi$1; + var epsilon = 1e-6; + var tauEpsilon = tau$1 - epsilon; + function Path() { + this._x0 = this._y0 = // start of current subpath + this._x1 = this._y1 = null; // end of current subpath + this._ = []; + } + + function path() { + return new Path; + } + + Path.prototype = path.prototype = { + constructor: Path, + moveTo: function(x, y) { + this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y); + }, + closePath: function() { + if (this._x1 !== null) { + this._x1 = this._x0, this._y1 = this._y0; + this._.push("Z"); + } + }, + lineTo: function(x, y) { + this._.push("L", this._x1 = +x, ",", this._y1 = +y); + }, + quadraticCurveTo: function(x1, y1, x, y) { + this._.push("Q", +x1, ",", +y1, ",", this._x1 = +x, ",", this._y1 = +y); + }, + bezierCurveTo: function(x1, y1, x2, y2, x, y) { + this._.push("C", +x1, ",", +y1, ",", +x2, ",", +y2, ",", this._x1 = +x, ",", this._y1 = +y); + }, + arcTo: function(x1, y1, x2, y2, r) { + x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r; + var x0 = this._x1, + y0 = this._y1, + x21 = x2 - x1, + y21 = y2 - y1, + x01 = x0 - x1, + y01 = y0 - y1, + l01_2 = x01 * x01 + y01 * y01; + + // Is the radius negative? Error. + if (r < 0) throw new Error("negative radius: " + r); + + // Is this path empty? Move to (x1,y1). + if (this._x1 === null) { + this._.push( + "M", this._x1 = x1, ",", this._y1 = y1 + ); + } + + // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. + else if (!(l01_2 > epsilon)); + + // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? + // Equivalently, is (x1,y1) coincident with (x2,y2)? + // Or, is the radius zero? Line to (x1,y1). + else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon) || !r) { + this._.push( + "L", this._x1 = x1, ",", this._y1 = y1 + ); + } + + // Otherwise, draw an arc! + else { + var x20 = x2 - x0, + y20 = y2 - y0, + l21_2 = x21 * x21 + y21 * y21, + l20_2 = x20 * x20 + y20 * y20, + l21 = Math.sqrt(l21_2), + l01 = Math.sqrt(l01_2), + l = r * Math.tan((pi$1 - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2), + t01 = l / l01, + t21 = l / l21; + + // If the start tangent is not coincident with (x0,y0), line to. + if (Math.abs(t01 - 1) > epsilon) { + this._.push( + "L", x1 + t01 * x01, ",", y1 + t01 * y01 + ); } + + this._.push( + "A", r, ",", r, ",0,0,", +(y01 * x20 > x01 * y20), ",", this._x1 = x1 + t21 * x21, ",", this._y1 = y1 + t21 * y21 + ); } - } - return d3_selection(subgroups); - }; - d3_selection_enterPrototype.insert = function(name, before) { - if (arguments.length < 2) before = d3_selection_enterInsertBefore(this); - return d3_selectionPrototype.insert.call(this, name, before); - }; - function d3_selection_enterInsertBefore(enter) { - var i0, j0; - return function(d, i, j) { - var group = enter[j].update, n = group.length, node; - if (j != j0) j0 = j, i0 = 0; - if (i >= i0) i0 = i + 1; - while (!(node = group[i0]) && ++i0 < n) ; - return node; - }; - } - d3.select = function(node) { - var group; - if (typeof node === "string") { - group = [ d3_select(node, d3_document) ]; - group.parentNode = d3_document.documentElement; - } else { - group = [ node ]; - group.parentNode = d3_documentElement(node); - } - return d3_selection([ group ]); - }; - d3.selectAll = function(nodes) { - var group; - if (typeof nodes === "string") { - group = d3_array(d3_selectAll(nodes, d3_document)); - group.parentNode = d3_document.documentElement; - } else { - group = d3_array(nodes); - group.parentNode = null; - } - return d3_selection([ group ]); - }; - d3_selectionPrototype.on = function(type, listener, capture) { - var n = arguments.length; - if (n < 3) { - if (typeof type !== "string") { - if (n < 2) listener = false; - for (capture in type) this.each(d3_selection_on(capture, type[capture], listener)); - return this; + }, + arc: function(x, y, r, a0, a1, ccw) { + x = +x, y = +y, r = +r; + var dx = r * Math.cos(a0), + dy = r * Math.sin(a0), + x0 = x + dx, + y0 = y + dy, + cw = 1 ^ ccw, + da = ccw ? a0 - a1 : a1 - a0; + + // Is the radius negative? Error. + if (r < 0) throw new Error("negative radius: " + r); + + // Is this path empty? Move to (x0,y0). + if (this._x1 === null) { + this._.push( + "M", x0, ",", y0 + ); + } + + // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). + else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) { + this._.push( + "L", x0, ",", y0 + ); } - if (n < 2) return (n = this.node()["__on" + type]) && n._; - capture = false; + + // Is this arc empty? We’re done. + if (!r) return; + + // Is this a complete circle? Draw two arcs to complete the circle. + if (da > tauEpsilon) { + this._.push( + "A", r, ",", r, ",0,1,", cw, ",", x - dx, ",", y - dy, + "A", r, ",", r, ",0,1,", cw, ",", this._x1 = x0, ",", this._y1 = y0 + ); + } + + // Otherwise, draw an arc! + else { + if (da < 0) da = da % tau$1 + tau$1; + this._.push( + "A", r, ",", r, ",0,", +(da >= pi$1), ",", cw, ",", this._x1 = x + r * Math.cos(a1), ",", this._y1 = y + r * Math.sin(a1) + ); + } + }, + rect: function(x, y, w, h) { + this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y, "h", +w, "v", +h, "h", -w, "Z"); + }, + toString: function() { + return this._.join(""); } - return this.each(d3_selection_on(type, listener, capture)); }; - function d3_selection_on(type, listener, capture) { - var name = "__on" + type, i = type.indexOf("."), wrap = d3_selection_onListener; - if (i > 0) type = type.slice(0, i); - var filter = d3_selection_onFilters.get(type); - if (filter) type = filter, wrap = d3_selection_onFilter; - function onRemove() { - var l = this[name]; - if (l) { - this.removeEventListener(type, l, l.$); - delete this[name]; - } - } - function onAdd() { - var l = wrap(listener, d3_array(arguments)); - onRemove.call(this); - this.addEventListener(type, this[name] = l, l.$ = capture); - l._ = listener; - } - function removeAll() { - var re = new RegExp("^__on([^.]+)" + d3.requote(type) + "$"), match; - for (var name in this) { - if (match = name.match(re)) { - var l = this[name]; - this.removeEventListener(match[1], l, l.$); - delete this[name]; - } - } - } - return i ? listener ? onAdd : onRemove : listener ? d3_noop : removeAll; - } - var d3_selection_onFilters = d3.map({ - mouseenter: "mouseover", - mouseleave: "mouseout" - }); - if (d3_document) { - d3_selection_onFilters.forEach(function(k) { - if ("on" + k in d3_document) d3_selection_onFilters.remove(k); - }); - } - function d3_selection_onListener(listener, argumentz) { - return function(e) { - var o = d3.event; - d3.event = e; - argumentz[0] = this.__data__; - try { - listener.apply(this, argumentz); - } finally { - d3.event = o; - } - }; + + function tree_add(d) { + var x = +this._x.call(null, d), + y = +this._y.call(null, d); + return add(this.cover(x, y), x, y, d); } - function d3_selection_onFilter(listener, argumentz) { - var l = d3_selection_onListener(listener, argumentz); - return function(e) { - var target = this, related = e.relatedTarget; - if (!related || related !== target && !(related.compareDocumentPosition(target) & 8)) { - l.call(target, e); - } - }; + + function add(tree, x, y, d) { + if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points + + var parent, + node = tree._root, + leaf = {data: d}, + x0 = tree._x0, + y0 = tree._y0, + x1 = tree._x1, + y1 = tree._y1, + xm, + ym, + xp, + yp, + right, + bottom, + i, + j; + + // If the tree is empty, initialize the root as a leaf. + if (!node) return tree._root = leaf, tree; + + // Find the existing leaf for the new point, or add it. + while (node.length) { + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree; + } + + // Is the new point is exactly coincident with the existing point? + xp = +tree._x.call(null, node.data); + yp = +tree._y.call(null, node.data); + if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree; + + // Otherwise, split the leaf node until the old and new point are separated. + do { + parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4); + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm))); + return parent[j] = node, parent[i] = leaf, tree; } - var d3_event_dragSelect, d3_event_dragId = 0; - function d3_event_dragSuppress(node) { - var name = ".dragsuppress-" + ++d3_event_dragId, click = "click" + name, w = d3.select(d3_window(node)).on("touchmove" + name, d3_eventPreventDefault).on("dragstart" + name, d3_eventPreventDefault).on("selectstart" + name, d3_eventPreventDefault); - if (d3_event_dragSelect == null) { - d3_event_dragSelect = "onselectstart" in node ? false : d3_vendorSymbol(node.style, "userSelect"); + + function addAll(data) { + var d, i, n = data.length, + x, + y, + xz = new Array(n), + yz = new Array(n), + x0 = Infinity, + y0 = Infinity, + x1 = -Infinity, + y1 = -Infinity; + + // Compute the points and their extent. + for (i = 0; i < n; ++i) { + if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue; + xz[i] = x; + yz[i] = y; + if (x < x0) x0 = x; + if (x > x1) x1 = x; + if (y < y0) y0 = y; + if (y > y1) y1 = y; } - if (d3_event_dragSelect) { - var style = d3_documentElement(node).style, select = style[d3_event_dragSelect]; - style[d3_event_dragSelect] = "none"; + + // If there were no (valid) points, inherit the existing extent. + if (x1 < x0) x0 = this._x0, x1 = this._x1; + if (y1 < y0) y0 = this._y0, y1 = this._y1; + + // Expand the tree to cover the new points. + this.cover(x0, y0).cover(x1, y1); + + // Add the new points. + for (i = 0; i < n; ++i) { + add(this, xz[i], yz[i], data[i]); } - return function(suppressClick) { - w.on(name, null); - if (d3_event_dragSelect) style[d3_event_dragSelect] = select; - if (suppressClick) { - var off = function() { - w.on(click, null); - }; - w.on(click, function() { - d3_eventPreventDefault(); - off(); - }, true); - setTimeout(off, 0); - } - }; + + return this; } - d3.mouse = function(container) { - return d3_mousePoint(container, d3_eventSource()); - }; - var d3_mouse_bug44083 = this.navigator && /WebKit/.test(this.navigator.userAgent) ? -1 : 0; - function d3_mousePoint(container, e) { - if (e.changedTouches) e = e.changedTouches[0]; - var svg = container.ownerSVGElement || container; - if (svg.createSVGPoint) { - var point = svg.createSVGPoint(); - if (d3_mouse_bug44083 < 0) { - var window = d3_window(container); - if (window.scrollX || window.scrollY) { - svg = d3.select("body").append("svg").style({ - position: "absolute", - top: 0, - left: 0, - margin: 0, - padding: 0, - border: "none" - }, "important"); - var ctm = svg[0][0].getScreenCTM(); - d3_mouse_bug44083 = !(ctm.f || ctm.e); - svg.remove(); - } - } - if (d3_mouse_bug44083) point.x = e.pageX, point.y = e.pageY; else point.x = e.clientX, - point.y = e.clientY; - point = point.matrixTransform(container.getScreenCTM().inverse()); - return [ point.x, point.y ]; - } - var rect = container.getBoundingClientRect(); - return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ]; - } - d3.touch = function(container, touches, identifier) { - if (arguments.length < 3) identifier = touches, touches = d3_eventSource().changedTouches; - if (touches) for (var i = 0, n = touches.length, touch; i < n; ++i) { - if ((touch = touches[i]).identifier === identifier) { - return d3_mousePoint(container, touch); - } + + function tree_cover(x, y) { + if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points + + var x0 = this._x0, + y0 = this._y0, + x1 = this._x1, + y1 = this._y1; + + // If the quadtree has no extent, initialize them. + // Integer extent are necessary so that if we later double the extent, + // the existing quadrant boundaries don’t change due to floating point error! + if (isNaN(x0)) { + x1 = (x0 = Math.floor(x)) + 1; + y1 = (y0 = Math.floor(y)) + 1; } - }; - d3.behavior.drag = function() { - var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null, mousedown = dragstart(d3_noop, d3.mouse, d3_window, "mousemove", "mouseup"), touchstart = dragstart(d3_behavior_dragTouchId, d3.touch, d3_identity, "touchmove", "touchend"); - function drag() { - this.on("mousedown.drag", mousedown).on("touchstart.drag", touchstart); - } - function dragstart(id, position, subject, move, end) { - return function() { - var that = this, target = d3.event.target.correspondingElement || d3.event.target, parent = that.parentNode, dispatch = event.of(that, arguments), dragged = 0, dragId = id(), dragName = ".drag" + (dragId == null ? "" : "-" + dragId), dragOffset, dragSubject = d3.select(subject(target)).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(target), position0 = position(parent, dragId); - if (origin) { - dragOffset = origin.apply(that, arguments); - dragOffset = [ dragOffset.x - position0[0], dragOffset.y - position0[1] ]; - } else { - dragOffset = [ 0, 0 ]; + + // Otherwise, double repeatedly to cover. + else if (x0 > x || x > x1 || y0 > y || y > y1) { + var z = x1 - x0, + node = this._root, + parent, + i; + + switch (i = (y < (y0 + y1) / 2) << 1 | (x < (x0 + x1) / 2)) { + case 0: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x1 = x0 + z, y1 = y0 + z, x > x1 || y > y1); + break; } - dispatch({ - type: "dragstart" - }); - function moved() { - var position1 = position(parent, dragId), dx, dy; - if (!position1) return; - dx = position1[0] - position0[0]; - dy = position1[1] - position0[1]; - dragged |= dx | dy; - position0 = position1; - dispatch({ - type: "drag", - x: position1[0] + dragOffset[0], - y: position1[1] + dragOffset[1], - dx: dx, - dy: dy - }); + case 1: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x0 = x1 - z, y1 = y0 + z, x0 > x || y > y1); + break; } - function ended() { - if (!position(parent, dragId)) return; - dragSubject.on(move + dragName, null).on(end + dragName, null); - dragRestore(dragged); - dispatch({ - type: "dragend" - }); + case 2: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x1 = x0 + z, y0 = y1 - z, x > x1 || y0 > y); + break; } - }; - } - drag.origin = function(x) { - if (!arguments.length) return origin; - origin = x; - return drag; - }; - return d3.rebind(drag, event, "on"); - }; - function d3_behavior_dragTouchId() { - return d3.event.changedTouches[0].identifier; - } - d3.touches = function(container, touches) { - if (arguments.length < 2) touches = d3_eventSource().touches; - return touches ? d3_array(touches).map(function(touch) { - var point = d3_mousePoint(container, touch); - point.identifier = touch.identifier; - return point; - }) : []; - }; - var ε = 1e-6, ε2 = ε * ε, π = Math.PI, τ = 2 * π, τε = τ - ε, halfπ = π / 2, d3_radians = π / 180, d3_degrees = 180 / π; - function d3_sgn(x) { - return x > 0 ? 1 : x < 0 ? -1 : 0; - } - function d3_cross2d(a, b, c) { - return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); - } - function d3_acos(x) { - return x > 1 ? 0 : x < -1 ? π : Math.acos(x); - } - function d3_asin(x) { - return x > 1 ? halfπ : x < -1 ? -halfπ : Math.asin(x); - } - function d3_sinh(x) { - return ((x = Math.exp(x)) - 1 / x) / 2; + case 3: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x0 = x1 - z, y0 = y1 - z, x0 > x || y0 > y); + break; + } + } + + if (this._root && this._root.length) this._root = node; + } + + // If the quadtree covers the point already, just return. + else return this; + + this._x0 = x0; + this._y0 = y0; + this._x1 = x1; + this._y1 = y1; + return this; } - function d3_cosh(x) { - return ((x = Math.exp(x)) + 1 / x) / 2; + + function tree_data() { + var data = []; + this.visit(function(node) { + if (!node.length) do data.push(node.data); while (node = node.next) + }); + return data; } - function d3_tanh(x) { - return ((x = Math.exp(2 * x)) - 1) / (x + 1); + + function tree_extent(_) { + return arguments.length + ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) + : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; } - function d3_haversin(x) { - return (x = Math.sin(x / 2)) * x; + + function Quad(node, x0, y0, x1, y1) { + this.node = node; + this.x0 = x0; + this.y0 = y0; + this.x1 = x1; + this.y1 = y1; } - var ρ = Math.SQRT2, ρ2 = 2, ρ4 = 4; - d3.interpolateZoom = function(p0, p1) { - var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2], dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, i, S; - if (d2 < ε2) { - S = Math.log(w1 / w0) / ρ; - i = function(t) { - return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * t * S) ]; - }; - } else { - var d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + ρ4 * d2) / (2 * w0 * ρ2 * d1), b1 = (w1 * w1 - w0 * w0 - ρ4 * d2) / (2 * w1 * ρ2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); - S = (r1 - r0) / ρ; - i = function(t) { - var s = t * S, coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0)); - return [ ux0 + u * dx, uy0 + u * dy, w0 * coshr0 / d3_cosh(ρ * s + r0) ]; - }; - } - i.duration = S * 1e3; - return i; - }; - d3.behavior.zoom = function() { - var view = { - x: 0, - y: 0, - k: 1 - }, translate0, center0, center, size = [ 960, 500 ], scaleExtent = d3_behavior_zoomInfinity, duration = 250, zooming = 0, mousedown = "mousedown.zoom", mousemove = "mousemove.zoom", mouseup = "mouseup.zoom", mousewheelTimer, touchstart = "touchstart.zoom", touchtime, event = d3_eventDispatch(zoom, "zoomstart", "zoom", "zoomend"), x0, x1, y0, y1; - if (!d3_behavior_zoomWheel) { - d3_behavior_zoomWheel = "onwheel" in d3_document ? (d3_behavior_zoomDelta = function() { - return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1); - }, "wheel") : "onmousewheel" in d3_document ? (d3_behavior_zoomDelta = function() { - return d3.event.wheelDelta; - }, "mousewheel") : (d3_behavior_zoomDelta = function() { - return -d3.event.detail; - }, "MozMousePixelScroll"); - } - function zoom(g) { - g.on(mousedown, mousedowned).on(d3_behavior_zoomWheel + ".zoom", mousewheeled).on("dblclick.zoom", dblclicked).on(touchstart, touchstarted); - } - zoom.event = function(g) { - g.each(function() { - var dispatch = event.of(this, arguments), view1 = view; - if (d3_transitionInheritId) { - d3.select(this).transition().each("start.zoom", function() { - view = this.__chart__ || { - x: 0, - y: 0, - k: 1 - }; - zoomstarted(dispatch); - }).tween("zoom:zoom", function() { - var dx = size[0], dy = size[1], cx = center0 ? center0[0] : dx / 2, cy = center0 ? center0[1] : dy / 2, i = d3.interpolateZoom([ (cx - view.x) / view.k, (cy - view.y) / view.k, dx / view.k ], [ (cx - view1.x) / view1.k, (cy - view1.y) / view1.k, dx / view1.k ]); - return function(t) { - var l = i(t), k = dx / l[2]; - this.__chart__ = view = { - x: cx - l[0] * k, - y: cy - l[1] * k, - k: k - }; - zoomed(dispatch); - }; - }).each("interrupt.zoom", function() { - zoomended(dispatch); - }).each("end.zoom", function() { - zoomended(dispatch); - }); - } else { - this.__chart__ = view; - zoomstarted(dispatch); - zoomed(dispatch); - zoomended(dispatch); - } - }); - }; - zoom.translate = function(_) { - if (!arguments.length) return [ view.x, view.y ]; - view = { - x: +_[0], - y: +_[1], - k: view.k - }; - rescale(); - return zoom; - }; - zoom.scale = function(_) { - if (!arguments.length) return view.k; - view = { - x: view.x, - y: view.y, - k: null - }; - scaleTo(+_); - rescale(); - return zoom; - }; - zoom.scaleExtent = function(_) { - if (!arguments.length) return scaleExtent; - scaleExtent = _ == null ? d3_behavior_zoomInfinity : [ +_[0], +_[1] ]; - return zoom; - }; - zoom.center = function(_) { - if (!arguments.length) return center; - center = _ && [ +_[0], +_[1] ]; - return zoom; - }; - zoom.size = function(_) { - if (!arguments.length) return size; - size = _ && [ +_[0], +_[1] ]; - return zoom; - }; - zoom.duration = function(_) { - if (!arguments.length) return duration; - duration = +_; - return zoom; - }; - zoom.x = function(z) { - if (!arguments.length) return x1; - x1 = z; - x0 = z.copy(); - view = { - x: 0, - y: 0, - k: 1 - }; - return zoom; - }; - zoom.y = function(z) { - if (!arguments.length) return y1; - y1 = z; - y0 = z.copy(); - view = { - x: 0, - y: 0, - k: 1 - }; - return zoom; - }; - function location(p) { - return [ (p[0] - view.x) / view.k, (p[1] - view.y) / view.k ]; - } - function point(l) { - return [ l[0] * view.k + view.x, l[1] * view.k + view.y ]; - } - function scaleTo(s) { - view.k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s)); - } - function translateTo(p, l) { - l = point(l); - view.x += p[0] - l[0]; - view.y += p[1] - l[1]; - } - function zoomTo(that, p, l, k) { - that.__chart__ = { - x: view.x, - y: view.y, - k: view.k - }; - scaleTo(Math.pow(2, k)); - translateTo(center0 = p, l); - that = d3.select(that); - if (duration > 0) that = that.transition().duration(duration); - that.call(zoom.event); - } - function rescale() { - if (x1) x1.domain(x0.range().map(function(x) { - return (x - view.x) / view.k; - }).map(x0.invert)); - if (y1) y1.domain(y0.range().map(function(y) { - return (y - view.y) / view.k; - }).map(y0.invert)); - } - function zoomstarted(dispatch) { - if (!zooming++) dispatch({ - type: "zoomstart" - }); - } - function zoomed(dispatch) { - rescale(); - dispatch({ - type: "zoom", - scale: view.k, - translate: [ view.x, view.y ] - }); - } - function zoomended(dispatch) { - if (!--zooming) dispatch({ - type: "zoomend" - }), center0 = null; - } - function mousedowned() { - var that = this, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window(that)).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress(that); - d3_selection_interrupt.call(that); - zoomstarted(dispatch); - function moved() { - dragged = 1; - translateTo(d3.mouse(that), location0); - zoomed(dispatch); - } - function ended() { - subject.on(mousemove, null).on(mouseup, null); - dragRestore(dragged); - zoomended(dispatch); - } + + function tree_find(x, y, radius) { + var data, + x0 = this._x0, + y0 = this._y0, + x1, + y1, + x2, + y2, + x3 = this._x1, + y3 = this._y1, + quads = [], + node = this._root, + q, + i; + + if (node) quads.push(new Quad(node, x0, y0, x3, y3)); + if (radius == null) radius = Infinity; + else { + x0 = x - radius, y0 = y - radius; + x3 = x + radius, y3 = y + radius; + radius *= radius; } - function touchstarted() { - var that = this, dispatch = event.of(that, arguments), locations0 = {}, distance0 = 0, scale0, zoomName = ".zoom-" + d3.event.changedTouches[0].identifier, touchmove = "touchmove" + zoomName, touchend = "touchend" + zoomName, targets = [], subject = d3.select(that), dragRestore = d3_event_dragSuppress(that); - started(); - zoomstarted(dispatch); - subject.on(mousedown, null).on(touchstart, started); - function relocate() { - var touches = d3.touches(that); - scale0 = view.k; - touches.forEach(function(t) { - if (t.identifier in locations0) locations0[t.identifier] = location(t); - }); - return touches; - } - function started() { - var target = d3.event.target; - d3.select(target).on(touchmove, moved).on(touchend, ended); - targets.push(target); - var changed = d3.event.changedTouches; - for (var i = 0, n = changed.length; i < n; ++i) { - locations0[changed[i].identifier] = null; - } - var touches = relocate(), now = Date.now(); - if (touches.length === 1) { - if (now - touchtime < 500) { - var p = touches[0]; - zoomTo(that, p, locations0[p.identifier], Math.floor(Math.log(view.k) / Math.LN2) + 1); - d3_eventPreventDefault(); - } - touchtime = now; - } else if (touches.length > 1) { - var p = touches[0], q = touches[1], dx = p[0] - q[0], dy = p[1] - q[1]; - distance0 = dx * dx + dy * dy; + + while (q = quads.pop()) { + + // Stop searching if this quadrant can’t contain a closer node. + if (!(node = q.node) + || (x1 = q.x0) > x3 + || (y1 = q.y0) > y3 + || (x2 = q.x1) < x0 + || (y2 = q.y1) < y0) continue; + + // Bisect the current quadrant. + if (node.length) { + var xm = (x1 + x2) / 2, + ym = (y1 + y2) / 2; + + quads.push( + new Quad(node[3], xm, ym, x2, y2), + new Quad(node[2], x1, ym, xm, y2), + new Quad(node[1], xm, y1, x2, ym), + new Quad(node[0], x1, y1, xm, ym) + ); + + // Visit the closest quadrant first. + if (i = (y >= ym) << 1 | (x >= xm)) { + q = quads[quads.length - 1]; + quads[quads.length - 1] = quads[quads.length - 1 - i]; + quads[quads.length - 1 - i] = q; } } - function moved() { - var touches = d3.touches(that), p0, l0, p1, l1; - d3_selection_interrupt.call(that); - for (var i = 0, n = touches.length; i < n; ++i, l1 = null) { - p1 = touches[i]; - if (l1 = locations0[p1.identifier]) { - if (l0) break; - p0 = p1, l0 = l1; - } - } - if (l1) { - var distance1 = (distance1 = p1[0] - p0[0]) * distance1 + (distance1 = p1[1] - p0[1]) * distance1, scale1 = distance0 && Math.sqrt(distance1 / distance0); - p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ]; - l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ]; - scaleTo(scale1 * scale0); + + // Visit this point. (Visiting coincident points isn’t necessary!) + else { + var dx = x - +this._x.call(null, node.data), + dy = y - +this._y.call(null, node.data), + d2 = dx * dx + dy * dy; + if (d2 < radius) { + var d = Math.sqrt(radius = d2); + x0 = x - d, y0 = y - d; + x3 = x + d, y3 = y + d; + data = node.data; } - touchtime = null; - translateTo(p0, l0); - zoomed(dispatch); } - function ended() { - if (d3.event.touches.length) { - var changed = d3.event.changedTouches; - for (var i = 0, n = changed.length; i < n; ++i) { - delete locations0[changed[i].identifier]; - } - for (var identifier in locations0) { - return void relocate(); - } - } - d3.selectAll(targets).on(zoomName, null); - subject.on(mousedown, mousedowned).on(touchstart, touchstarted); - dragRestore(); - zoomended(dispatch); - } - } - function mousewheeled() { - var dispatch = event.of(this, arguments); - if (mousewheelTimer) clearTimeout(mousewheelTimer); else d3_selection_interrupt.call(this), - translate0 = location(center0 = center || d3.mouse(this)), zoomstarted(dispatch); - mousewheelTimer = setTimeout(function() { - mousewheelTimer = null; - zoomended(dispatch); - }, 50); - d3_eventPreventDefault(); - scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * view.k); - translateTo(center0, translate0); - zoomed(dispatch); - } - function dblclicked() { - var p = d3.mouse(this), k = Math.log(view.k) / Math.LN2; - zoomTo(this, p, location(p), d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1); } - return d3.rebind(zoom, event, "on"); - }; - var d3_behavior_zoomInfinity = [ 0, Infinity ], d3_behavior_zoomDelta, d3_behavior_zoomWheel; - d3.color = d3_color; - function d3_color() {} - d3_color.prototype.toString = function() { - return this.rgb() + ""; - }; - d3.hsl = d3_hsl; - function d3_hsl(h, s, l) { - return this instanceof d3_hsl ? void (this.h = +h, this.s = +s, this.l = +l) : arguments.length < 2 ? h instanceof d3_hsl ? new d3_hsl(h.h, h.s, h.l) : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl) : new d3_hsl(h, s, l); - } - var d3_hslPrototype = d3_hsl.prototype = new d3_color(); - d3_hslPrototype.brighter = function(k) { - k = Math.pow(.7, arguments.length ? k : 1); - return new d3_hsl(this.h, this.s, this.l / k); - }; - d3_hslPrototype.darker = function(k) { - k = Math.pow(.7, arguments.length ? k : 1); - return new d3_hsl(this.h, this.s, k * this.l); - }; - d3_hslPrototype.rgb = function() { - return d3_hsl_rgb(this.h, this.s, this.l); - }; - function d3_hsl_rgb(h, s, l) { - var m1, m2; - h = isNaN(h) ? 0 : (h %= 360) < 0 ? h + 360 : h; - s = isNaN(s) ? 0 : s < 0 ? 0 : s > 1 ? 1 : s; - l = l < 0 ? 0 : l > 1 ? 1 : l; - m2 = l <= .5 ? l * (1 + s) : l + s - l * s; - m1 = 2 * l - m2; - function v(h) { - if (h > 360) h -= 360; else if (h < 0) h += 360; - if (h < 60) return m1 + (m2 - m1) * h / 60; - if (h < 180) return m2; - if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60; - return m1; - } - function vv(h) { - return Math.round(v(h) * 255); - } - return new d3_rgb(vv(h + 120), vv(h), vv(h - 120)); - } - d3.hcl = d3_hcl; - function d3_hcl(h, c, l) { - return this instanceof d3_hcl ? void (this.h = +h, this.c = +c, this.l = +l) : arguments.length < 2 ? h instanceof d3_hcl ? new d3_hcl(h.h, h.c, h.l) : h instanceof d3_lab ? d3_lab_hcl(h.l, h.a, h.b) : d3_lab_hcl((h = d3_rgb_lab((h = d3.rgb(h)).r, h.g, h.b)).l, h.a, h.b) : new d3_hcl(h, c, l); - } - var d3_hclPrototype = d3_hcl.prototype = new d3_color(); - d3_hclPrototype.brighter = function(k) { - return new d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1))); - }; - d3_hclPrototype.darker = function(k) { - return new d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1))); - }; - d3_hclPrototype.rgb = function() { - return d3_hcl_lab(this.h, this.c, this.l).rgb(); - }; - function d3_hcl_lab(h, c, l) { - if (isNaN(h)) h = 0; - if (isNaN(c)) c = 0; - return new d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c); - } - d3.lab = d3_lab; - function d3_lab(l, a, b) { - return this instanceof d3_lab ? void (this.l = +l, this.a = +a, this.b = +b) : arguments.length < 2 ? l instanceof d3_lab ? new d3_lab(l.l, l.a, l.b) : l instanceof d3_hcl ? d3_hcl_lab(l.h, l.c, l.l) : d3_rgb_lab((l = d3_rgb(l)).r, l.g, l.b) : new d3_lab(l, a, b); - } - var d3_lab_K = 18; - var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883; - var d3_labPrototype = d3_lab.prototype = new d3_color(); - d3_labPrototype.brighter = function(k) { - return new d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b); - }; - d3_labPrototype.darker = function(k) { - return new d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b); - }; - d3_labPrototype.rgb = function() { - return d3_lab_rgb(this.l, this.a, this.b); - }; - function d3_lab_rgb(l, a, b) { - var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200; - x = d3_lab_xyz(x) * d3_lab_X; - y = d3_lab_xyz(y) * d3_lab_Y; - z = d3_lab_xyz(z) * d3_lab_Z; - return new d3_rgb(d3_xyz_rgb(3.2404542 * x - 1.5371385 * y - .4985314 * z), d3_xyz_rgb(-.969266 * x + 1.8760108 * y + .041556 * z), d3_xyz_rgb(.0556434 * x - .2040259 * y + 1.0572252 * z)); - } - function d3_lab_hcl(l, a, b) { - return l > 0 ? new d3_hcl(Math.atan2(b, a) * d3_degrees, Math.sqrt(a * a + b * b), l) : new d3_hcl(NaN, NaN, l); - } - function d3_lab_xyz(x) { - return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037; - } - function d3_xyz_lab(x) { - return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29; - } - function d3_xyz_rgb(r) { - return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055)); - } - d3.rgb = d3_rgb; - function d3_rgb(r, g, b) { - return this instanceof d3_rgb ? void (this.r = ~~r, this.g = ~~g, this.b = ~~b) : arguments.length < 2 ? r instanceof d3_rgb ? new d3_rgb(r.r, r.g, r.b) : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb) : new d3_rgb(r, g, b); - } - function d3_rgbNumber(value) { - return new d3_rgb(value >> 16, value >> 8 & 255, value & 255); - } - function d3_rgbString(value) { - return d3_rgbNumber(value) + ""; - } - var d3_rgbPrototype = d3_rgb.prototype = new d3_color(); - d3_rgbPrototype.brighter = function(k) { - k = Math.pow(.7, arguments.length ? k : 1); - var r = this.r, g = this.g, b = this.b, i = 30; - if (!r && !g && !b) return new d3_rgb(i, i, i); - if (r && r < i) r = i; - if (g && g < i) g = i; - if (b && b < i) b = i; - return new d3_rgb(Math.min(255, r / k), Math.min(255, g / k), Math.min(255, b / k)); - }; - d3_rgbPrototype.darker = function(k) { - k = Math.pow(.7, arguments.length ? k : 1); - return new d3_rgb(k * this.r, k * this.g, k * this.b); - }; - d3_rgbPrototype.hsl = function() { - return d3_rgb_hsl(this.r, this.g, this.b); - }; - d3_rgbPrototype.toString = function() { - return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b); - }; - function d3_rgb_hex(v) { - return v < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16); - } - function d3_rgb_parse(format, rgb, hsl) { - var r = 0, g = 0, b = 0, m1, m2, color; - m1 = /([a-z]+)\((.*)\)/.exec(format = format.toLowerCase()); - if (m1) { - m2 = m1[2].split(","); - switch (m1[1]) { - case "hsl": - { - return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100); - } - - case "rgb": - { - return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2])); - } - } - } - if (color = d3_rgb_names.get(format)) { - return rgb(color.r, color.g, color.b); - } - if (format != null && format.charAt(0) === "#" && !isNaN(color = parseInt(format.slice(1), 16))) { - if (format.length === 4) { - r = (color & 3840) >> 4; - r = r >> 4 | r; - g = color & 240; - g = g >> 4 | g; - b = color & 15; - b = b << 4 | b; - } else if (format.length === 7) { - r = (color & 16711680) >> 16; - g = (color & 65280) >> 8; - b = color & 255; - } - } - return rgb(r, g, b); - } - function d3_rgb_hsl(r, g, b) { - var min = Math.min(r /= 255, g /= 255, b /= 255), max = Math.max(r, g, b), d = max - min, h, s, l = (max + min) / 2; - if (d) { - s = l < .5 ? d / (max + min) : d / (2 - max - min); - if (r == max) h = (g - b) / d + (g < b ? 6 : 0); else if (g == max) h = (b - r) / d + 2; else h = (r - g) / d + 4; - h *= 60; - } else { - h = NaN; - s = l > 0 && l < 1 ? 0 : h; + + return data; + } + + function tree_remove(d) { + if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points + + var parent, + node = this._root, + retainer, + previous, + next, + x0 = this._x0, + y0 = this._y0, + x1 = this._x1, + y1 = this._y1, + x, + y, + xm, + ym, + right, + bottom, + i, + j; + + // If the tree is empty, initialize the root as a leaf. + if (!node) return this; + + // Find the leaf node for the point. + // While descending, also retain the deepest parent with a non-removed sibling. + if (node.length) while (true) { + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + if (!(parent = node, node = node[i = bottom << 1 | right])) return this; + if (!node.length) break; + if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i; } - return new d3_hsl(h, s, l); - } - function d3_rgb_lab(r, g, b) { - r = d3_rgb_xyz(r); - g = d3_rgb_xyz(g); - b = d3_rgb_xyz(b); - var x = d3_xyz_lab((.4124564 * r + .3575761 * g + .1804375 * b) / d3_lab_X), y = d3_xyz_lab((.2126729 * r + .7151522 * g + .072175 * b) / d3_lab_Y), z = d3_xyz_lab((.0193339 * r + .119192 * g + .9503041 * b) / d3_lab_Z); - return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z)); - } - function d3_rgb_xyz(r) { - return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4); - } - function d3_rgb_parseNumber(c) { - var f = parseFloat(c); - return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f; - } - var d3_rgb_names = d3.map({ - aliceblue: 15792383, - antiquewhite: 16444375, - aqua: 65535, - aquamarine: 8388564, - azure: 15794175, - beige: 16119260, - bisque: 16770244, - black: 0, - blanchedalmond: 16772045, - blue: 255, - blueviolet: 9055202, - brown: 10824234, - burlywood: 14596231, - cadetblue: 6266528, - chartreuse: 8388352, - chocolate: 13789470, - coral: 16744272, - cornflowerblue: 6591981, - cornsilk: 16775388, - crimson: 14423100, - cyan: 65535, - darkblue: 139, - darkcyan: 35723, - darkgoldenrod: 12092939, - darkgray: 11119017, - darkgreen: 25600, - darkgrey: 11119017, - darkkhaki: 12433259, - darkmagenta: 9109643, - darkolivegreen: 5597999, - darkorange: 16747520, - darkorchid: 10040012, - darkred: 9109504, - darksalmon: 15308410, - darkseagreen: 9419919, - darkslateblue: 4734347, - darkslategray: 3100495, - darkslategrey: 3100495, - darkturquoise: 52945, - darkviolet: 9699539, - deeppink: 16716947, - deepskyblue: 49151, - dimgray: 6908265, - dimgrey: 6908265, - dodgerblue: 2003199, - firebrick: 11674146, - floralwhite: 16775920, - forestgreen: 2263842, - fuchsia: 16711935, - gainsboro: 14474460, - ghostwhite: 16316671, - gold: 16766720, - goldenrod: 14329120, - gray: 8421504, - green: 32768, - greenyellow: 11403055, - grey: 8421504, - honeydew: 15794160, - hotpink: 16738740, - indianred: 13458524, - indigo: 4915330, - ivory: 16777200, - khaki: 15787660, - lavender: 15132410, - lavenderblush: 16773365, - lawngreen: 8190976, - lemonchiffon: 16775885, - lightblue: 11393254, - lightcoral: 15761536, - lightcyan: 14745599, - lightgoldenrodyellow: 16448210, - lightgray: 13882323, - lightgreen: 9498256, - lightgrey: 13882323, - lightpink: 16758465, - lightsalmon: 16752762, - lightseagreen: 2142890, - lightskyblue: 8900346, - lightslategray: 7833753, - lightslategrey: 7833753, - lightsteelblue: 11584734, - lightyellow: 16777184, - lime: 65280, - limegreen: 3329330, - linen: 16445670, - magenta: 16711935, - maroon: 8388608, - mediumaquamarine: 6737322, - mediumblue: 205, - mediumorchid: 12211667, - mediumpurple: 9662683, - mediumseagreen: 3978097, - mediumslateblue: 8087790, - mediumspringgreen: 64154, - mediumturquoise: 4772300, - mediumvioletred: 13047173, - midnightblue: 1644912, - mintcream: 16121850, - mistyrose: 16770273, - moccasin: 16770229, - navajowhite: 16768685, - navy: 128, - oldlace: 16643558, - olive: 8421376, - olivedrab: 7048739, - orange: 16753920, - orangered: 16729344, - orchid: 14315734, - palegoldenrod: 15657130, - palegreen: 10025880, - paleturquoise: 11529966, - palevioletred: 14381203, - papayawhip: 16773077, - peachpuff: 16767673, - peru: 13468991, - pink: 16761035, - plum: 14524637, - powderblue: 11591910, - purple: 8388736, - rebeccapurple: 6697881, - red: 16711680, - rosybrown: 12357519, - royalblue: 4286945, - saddlebrown: 9127187, - salmon: 16416882, - sandybrown: 16032864, - seagreen: 3050327, - seashell: 16774638, - sienna: 10506797, - silver: 12632256, - skyblue: 8900331, - slateblue: 6970061, - slategray: 7372944, - slategrey: 7372944, - snow: 16775930, - springgreen: 65407, - steelblue: 4620980, - tan: 13808780, - teal: 32896, - thistle: 14204888, - tomato: 16737095, - turquoise: 4251856, - violet: 15631086, - wheat: 16113331, - white: 16777215, - whitesmoke: 16119285, - yellow: 16776960, - yellowgreen: 10145074 - }); - d3_rgb_names.forEach(function(key, value) { - d3_rgb_names.set(key, d3_rgbNumber(value)); - }); - function d3_functor(v) { - return typeof v === "function" ? v : function() { - return v; - }; - } - d3.functor = d3_functor; - d3.xhr = d3_xhrType(d3_identity); - function d3_xhrType(response) { - return function(url, mimeType, callback) { - if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType, - mimeType = null; - return d3_xhr(url, mimeType, response, callback); - }; - } - function d3_xhr(url, mimeType, response, callback) { - var xhr = {}, dispatch = d3.dispatch("beforesend", "progress", "load", "error"), headers = {}, request = new XMLHttpRequest(), responseType = null; - if (this.XDomainRequest && !("withCredentials" in request) && /^(http(s)?:)?\/\//.test(url)) request = new XDomainRequest(); - "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() { - request.readyState > 3 && respond(); - }; - function respond() { - var status = request.status, result; - if (!status && d3_xhrHasResponse(request) || status >= 200 && status < 300 || status === 304) { - try { - result = response.call(xhr, request); - } catch (e) { - dispatch.error.call(xhr, e); - return; - } - dispatch.load.call(xhr, result); - } else { - dispatch.error.call(xhr, request); - } + + // Find the point to remove. + while (node.data !== d) if (!(previous = node, node = node.next)) return this; + if (next = node.next) delete node.next; + + // If there are multiple coincident points, remove just the point. + if (previous) return (next ? previous.next = next : delete previous.next), this; + + // If this is the root point, remove it. + if (!parent) return this._root = next, this; + + // Remove this leaf. + next ? parent[i] = next : delete parent[i]; + + // If the parent now contains exactly one leaf, collapse superfluous parents. + if ((node = parent[0] || parent[1] || parent[2] || parent[3]) + && node === (parent[3] || parent[2] || parent[1] || parent[0]) + && !node.length) { + if (retainer) retainer[j] = node; + else this._root = node; } - request.onprogress = function(event) { - var o = d3.event; - d3.event = event; - try { - dispatch.progress.call(xhr, request); - } finally { - d3.event = o; - } - }; - xhr.header = function(name, value) { - name = (name + "").toLowerCase(); - if (arguments.length < 2) return headers[name]; - if (value == null) delete headers[name]; else headers[name] = value + ""; - return xhr; - }; - xhr.mimeType = function(value) { - if (!arguments.length) return mimeType; - mimeType = value == null ? null : value + ""; - return xhr; - }; - xhr.responseType = function(value) { - if (!arguments.length) return responseType; - responseType = value; - return xhr; - }; - xhr.response = function(value) { - response = value; - return xhr; - }; - [ "get", "post" ].forEach(function(method) { - xhr[method] = function() { - return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments))); - }; - }); - xhr.send = function(method, data, callback) { - if (arguments.length === 2 && typeof data === "function") callback = data, data = null; - request.open(method, url, true); - if (mimeType != null && !("accept" in headers)) headers["accept"] = mimeType + ",*/*"; - if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]); - if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType); - if (responseType != null) request.responseType = responseType; - if (callback != null) xhr.on("error", callback).on("load", function(request) { - callback(null, request); - }); - dispatch.beforesend.call(xhr, request); - request.send(data == null ? null : data); - return xhr; - }; - xhr.abort = function() { - request.abort(); - return xhr; - }; - d3.rebind(xhr, dispatch, "on"); - return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback)); + + return this; } - function d3_xhr_fixCallback(callback) { - return callback.length === 1 ? function(error, request) { - callback(error == null ? request : null); - } : callback; + + function removeAll(data) { + for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); + return this; } - function d3_xhrHasResponse(request) { - var type = request.responseType; - return type && type !== "text" ? request.response : request.responseText; + + function tree_root() { + return this._root; } - d3.dsv = function(delimiter, mimeType) { - var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0); - function dsv(url, row, callback) { - if (arguments.length < 3) callback = row, row = null; - var xhr = d3_xhr(url, mimeType, row == null ? response : typedResponse(row), callback); - xhr.row = function(_) { - return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row; - }; - return xhr; - } - function response(request) { - return dsv.parse(request.responseText); - } - function typedResponse(f) { - return function(request) { - return dsv.parse(request.responseText, f); - }; - } - dsv.parse = function(text, f) { - var o; - return dsv.parseRows(text, function(row, i) { - if (o) return o(row, i - 1); - var a = new Function("d", "return {" + row.map(function(name, i) { - return JSON.stringify(name) + ": d[" + i + "]"; - }).join(",") + "}"); - o = f ? function(row, i) { - return f(a(row), i); - } : a; - }); - }; - dsv.parseRows = function(text, f) { - var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol; - function token() { - if (I >= N) return EOF; - if (eol) return eol = false, EOL; - var j = I; - if (text.charCodeAt(j) === 34) { - var i = j; - while (i++ < N) { - if (text.charCodeAt(i) === 34) { - if (text.charCodeAt(i + 1) !== 34) break; - ++i; - } - } - I = i + 2; - var c = text.charCodeAt(i + 1); - if (c === 13) { - eol = true; - if (text.charCodeAt(i + 2) === 10) ++I; - } else if (c === 10) { - eol = true; - } - return text.slice(j + 1, i).replace(/""/g, '"'); - } - while (I < N) { - var c = text.charCodeAt(I++), k = 1; - if (c === 10) eol = true; else if (c === 13) { - eol = true; - if (text.charCodeAt(I) === 10) ++I, ++k; - } else if (c !== delimiterCode) continue; - return text.slice(j, I - k); - } - return text.slice(j); - } - while ((t = token()) !== EOF) { - var a = []; - while (t !== EOL && t !== EOF) { - a.push(t); - t = token(); - } - if (f && (a = f(a, n++)) == null) continue; - rows.push(a); - } - return rows; - }; - dsv.format = function(rows) { - if (Array.isArray(rows[0])) return dsv.formatRows(rows); - var fieldSet = new d3_Set(), fields = []; - rows.forEach(function(row) { - for (var field in row) { - if (!fieldSet.has(field)) { - fields.push(fieldSet.add(field)); - } - } - }); - return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) { - return fields.map(function(field) { - return formatValue(row[field]); - }).join(delimiter); - })).join("\n"); - }; - dsv.formatRows = function(rows) { - return rows.map(formatRow).join("\n"); - }; - function formatRow(row) { - return row.map(formatValue).join(delimiter); - } - function formatValue(text) { - return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text; - } - return dsv; - }; - d3.csv = d3.dsv(",", "text/csv"); - d3.tsv = d3.dsv(" ", "text/tab-separated-values"); - var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_frame = this[d3_vendorSymbol(this, "requestAnimationFrame")] || function(callback) { - setTimeout(callback, 17); - }; - d3.timer = function() { - d3_timer.apply(this, arguments); - }; - function d3_timer(callback, delay, then) { - var n = arguments.length; - if (n < 2) delay = 0; - if (n < 3) then = Date.now(); - var time = then + delay, timer = { - c: callback, - t: time, - n: null - }; - if (d3_timer_queueTail) d3_timer_queueTail.n = timer; else d3_timer_queueHead = timer; - d3_timer_queueTail = timer; - if (!d3_timer_interval) { - d3_timer_timeout = clearTimeout(d3_timer_timeout); - d3_timer_interval = 1; - d3_timer_frame(d3_timer_step); - } - return timer; - } - function d3_timer_step() { - var now = d3_timer_mark(), delay = d3_timer_sweep() - now; - if (delay > 24) { - if (isFinite(delay)) { - clearTimeout(d3_timer_timeout); - d3_timer_timeout = setTimeout(d3_timer_step, delay); + + function tree_size() { + var size = 0; + this.visit(function(node) { + if (!node.length) do ++size; while (node = node.next) + }); + return size; + } + + function tree_visit(callback) { + var quads = [], q, node = this._root, child, x0, y0, x1, y1; + if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); + while (q = quads.pop()) { + if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) { + var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; + if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); + if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); + if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); + if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); } - d3_timer_interval = 0; - } else { - d3_timer_interval = 1; - d3_timer_frame(d3_timer_step); } + return this; } - d3.timer.flush = function() { - d3_timer_mark(); - d3_timer_sweep(); - }; - function d3_timer_mark() { - var now = Date.now(), timer = d3_timer_queueHead; - while (timer) { - if (now >= timer.t && timer.c(now - timer.t)) timer.c = null; - timer = timer.n; + + function tree_visitAfter(callback) { + var quads = [], next = [], q; + if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); + while (q = quads.pop()) { + var node = q.node; + if (node.length) { + var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; + if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); + if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); + if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); + if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); + } + next.push(q); + } + while (q = next.pop()) { + callback(q.node, q.x0, q.y0, q.x1, q.y1); } - return now; + return this; } - function d3_timer_sweep() { - var t0, t1 = d3_timer_queueHead, time = Infinity; - while (t1) { - if (t1.c) { - if (t1.t < time) time = t1.t; - t1 = (t0 = t1).n; - } else { - t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n; - } - } - d3_timer_queueTail = t0; - return time; + + function defaultX(d) { + return d[0]; } - function d3_format_precision(x, p) { - return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1); + + function tree_x(_) { + return arguments.length ? (this._x = _, this) : this._x; } - d3.round = function(x, n) { - return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x); - }; - var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix); - d3.formatPrefix = function(value, precision) { - var i = 0; - if (value = +value) { - if (value < 0) value *= -1; - if (precision) value = d3.round(value, d3_format_precision(value, precision)); - i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10); - i = Math.max(-24, Math.min(24, Math.floor((i - 1) / 3) * 3)); - } - return d3_formatPrefixes[8 + i / 3]; - }; - function d3_formatPrefix(d, i) { - var k = Math.pow(10, abs(8 - i) * 3); - return { - scale: i > 8 ? function(d) { - return d / k; - } : function(d) { - return d * k; - }, - symbol: d - }; + + function defaultY(d) { + return d[1]; } - function d3_locale_numberFormat(locale) { - var locale_decimal = locale.decimal, locale_thousands = locale.thousands, locale_grouping = locale.grouping, locale_currency = locale.currency, formatGroup = locale_grouping && locale_thousands ? function(value, width) { - var i = value.length, t = [], j = 0, g = locale_grouping[0], length = 0; - while (i > 0 && g > 0) { - if (length + g + 1 > width) g = Math.max(1, width - length); - t.push(value.substring(i -= g, i + g)); - if ((length += g + 1) > width) break; - g = locale_grouping[j = (j + 1) % locale_grouping.length]; - } - return t.reverse().join(locale_thousands); - } : d3_identity; - return function(specifier) { - var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "-", symbol = match[4] || "", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, prefix = "", suffix = "", integer = false, exponent = true; - if (precision) precision = +precision.substring(1); - if (zfill || fill === "0" && align === "=") { - zfill = fill = "0"; - align = "="; - } - switch (type) { - case "n": - comma = true; - type = "g"; - break; - case "%": - scale = 100; - suffix = "%"; - type = "f"; - break; + function tree_y(_) { + return arguments.length ? (this._y = _, this) : this._y; + } - case "p": - scale = 100; - suffix = "%"; - type = "r"; - break; + function quadtree(nodes, x, y) { + var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); + return nodes == null ? tree : tree.addAll(nodes); + } + + function Quadtree(x, y, x0, y0, x1, y1) { + this._x = x; + this._y = y; + this._x0 = x0; + this._y0 = y0; + this._x1 = x1; + this._y1 = y1; + this._root = undefined; + } - case "b": - case "o": - case "x": - case "X": - if (symbol === "#") prefix = "0" + type.toLowerCase(); + function leaf_copy(leaf) { + var copy = {data: leaf.data}, next = copy; + while (leaf = leaf.next) next = next.next = {data: leaf.data}; + return copy; + } - case "c": - exponent = false; + var treeProto = quadtree.prototype = Quadtree.prototype; - case "d": - integer = true; - precision = 0; - break; + treeProto.copy = function() { + var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), + node = this._root, + nodes, + child; - case "s": - scale = -1; - type = "r"; - break; - } - if (symbol === "$") prefix = locale_currency[0], suffix = locale_currency[1]; - if (type == "r" && !precision) type = "g"; - if (precision != null) { - if (type == "g") precision = Math.max(1, Math.min(21, precision)); else if (type == "e" || type == "f") precision = Math.max(0, Math.min(20, precision)); - } - type = d3_format_types.get(type) || d3_format_typeDefault; - var zcomma = zfill && comma; - return function(value) { - var fullSuffix = suffix; - if (integer && value % 1) return ""; - var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign === "-" ? "" : sign; - if (scale < 0) { - var unit = d3.formatPrefix(value, precision); - value = unit.scale(value); - fullSuffix = unit.symbol + suffix; - } else { - value *= scale; + if (!node) return copy; + + if (!node.length) return copy._root = leaf_copy(node), copy; + + nodes = [{source: node, target: copy._root = new Array(4)}]; + while (node = nodes.pop()) { + for (var i = 0; i < 4; ++i) { + if (child = node.source[i]) { + if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)}); + else node.target[i] = leaf_copy(child); } - value = type(value, precision); - var i = value.lastIndexOf("."), before, after; - if (i < 0) { - var j = exponent ? value.lastIndexOf("e") : -1; - if (j < 0) before = value, after = ""; else before = value.substring(0, j), after = value.substring(j); - } else { - before = value.substring(0, i); - after = locale_decimal + value.substring(i + 1); - } - if (!zfill && comma) before = formatGroup(before, Infinity); - var length = prefix.length + before.length + after.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : ""; - if (zcomma) before = formatGroup(padding + before, padding.length ? width - after.length : Infinity); - negative += prefix; - value = before + after; - return (align === "<" ? negative + value + padding : align === ">" ? padding + negative + value : align === "^" ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length) : negative + (zcomma ? value : padding + value)) + fullSuffix; - }; - }; + } + } + + return copy; + }; + + treeProto.add = tree_add; + treeProto.addAll = addAll; + treeProto.cover = tree_cover; + treeProto.data = tree_data; + treeProto.extent = tree_extent; + treeProto.find = tree_find; + treeProto.remove = tree_remove; + treeProto.removeAll = removeAll; + treeProto.root = tree_root; + treeProto.size = tree_size; + treeProto.visit = tree_visit; + treeProto.visitAfter = tree_visitAfter; + treeProto.x = tree_x; + treeProto.y = tree_y; + + var slice$1 = [].slice; + + var noabort = {}; + + function Queue(size) { + if (!(size >= 1)) throw new Error; + this._size = size; + this._call = + this._error = null; + this._tasks = []; + this._data = []; + this._waiting = + this._active = + this._ended = + this._start = 0; // inside a synchronous task callback? } - var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?([$#])?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i; - var d3_format_types = d3.map({ - b: function(x) { - return x.toString(2); + + Queue.prototype = queue.prototype = { + constructor: Queue, + defer: function(callback) { + if (typeof callback !== "function" || this._call) throw new Error; + if (this._error != null) return this; + var t = slice$1.call(arguments, 1); + t.push(callback); + ++this._waiting, this._tasks.push(t); + poke(this); + return this; }, - c: function(x) { - return String.fromCharCode(x); + abort: function() { + if (this._error == null) abort(this, new Error("abort")); + return this; }, - o: function(x) { - return x.toString(8); - }, - x: function(x) { - return x.toString(16); - }, - X: function(x) { - return x.toString(16).toUpperCase(); - }, - g: function(x, p) { - return x.toPrecision(p); - }, - e: function(x, p) { - return x.toExponential(p); - }, - f: function(x, p) { - return x.toFixed(p); - }, - r: function(x, p) { - return (x = d3.round(x, d3_format_precision(x, p))).toFixed(Math.max(0, Math.min(20, d3_format_precision(x * (1 + 1e-15), p)))); - } - }); - function d3_format_typeDefault(x) { - return x + ""; - } - var d3_time = d3.time = {}, d3_date = Date; - function d3_date_utc() { - this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]); - } - d3_date_utc.prototype = { - getDate: function() { - return this._.getUTCDate(); - }, - getDay: function() { - return this._.getUTCDay(); - }, - getFullYear: function() { - return this._.getUTCFullYear(); - }, - getHours: function() { - return this._.getUTCHours(); - }, - getMilliseconds: function() { - return this._.getUTCMilliseconds(); - }, - getMinutes: function() { - return this._.getUTCMinutes(); - }, - getMonth: function() { - return this._.getUTCMonth(); - }, - getSeconds: function() { - return this._.getUTCSeconds(); - }, - getTime: function() { - return this._.getTime(); - }, - getTimezoneOffset: function() { - return 0; - }, - valueOf: function() { - return this._.valueOf(); - }, - setDate: function() { - d3_time_prototype.setUTCDate.apply(this._, arguments); - }, - setDay: function() { - d3_time_prototype.setUTCDay.apply(this._, arguments); - }, - setFullYear: function() { - d3_time_prototype.setUTCFullYear.apply(this._, arguments); - }, - setHours: function() { - d3_time_prototype.setUTCHours.apply(this._, arguments); - }, - setMilliseconds: function() { - d3_time_prototype.setUTCMilliseconds.apply(this._, arguments); - }, - setMinutes: function() { - d3_time_prototype.setUTCMinutes.apply(this._, arguments); - }, - setMonth: function() { - d3_time_prototype.setUTCMonth.apply(this._, arguments); - }, - setSeconds: function() { - d3_time_prototype.setUTCSeconds.apply(this._, arguments); + await: function(callback) { + if (typeof callback !== "function" || this._call) throw new Error; + this._call = function(error, results) { callback.apply(null, [error].concat(results)); }; + maybeNotify(this); + return this; }, - setTime: function() { - d3_time_prototype.setTime.apply(this._, arguments); + awaitAll: function(callback) { + if (typeof callback !== "function" || this._call) throw new Error; + this._call = callback; + maybeNotify(this); + return this; } }; - var d3_time_prototype = Date.prototype; - function d3_time_interval(local, step, number) { - function round(date) { - var d0 = local(date), d1 = offset(d0, 1); - return date - d0 < d1 - date ? d0 : d1; - } - function ceil(date) { - step(date = local(new d3_date(date - 1)), 1); - return date; - } - function offset(date, k) { - step(date = new d3_date(+date), k); - return date; + + function poke(q) { + if (!q._start) try { start(q); } // let the current task complete + catch (e) { if (q._tasks[q._ended + q._active - 1]) abort(q, e); } // task errored synchronously + } + + function start(q) { + while (q._start = q._waiting && q._active < q._size) { + var i = q._ended + q._active, + t = q._tasks[i], + j = t.length - 1, + c = t[j]; + t[j] = end(q, i); + --q._waiting, ++q._active; + t = c.apply(null, t); + if (!q._tasks[i]) continue; // task finished synchronously + q._tasks[i] = t || noabort; } - function range(t0, t1, dt) { - var time = ceil(t0), times = []; - if (dt > 1) { - while (time < t1) { - if (!(number(time) % dt)) times.push(new Date(+time)); - step(time, 1); - } + } + + function end(q, i) { + return function(e, r) { + if (!q._tasks[i]) return; // ignore multiple callbacks + --q._active, ++q._ended; + q._tasks[i] = null; + if (q._error != null) return; // ignore secondary errors + if (e != null) { + abort(q, e); } else { - while (time < t1) times.push(new Date(+time)), step(time, 1); - } - return times; - } - function range_utc(t0, t1, dt) { - try { - d3_date = d3_date_utc; - var utc = new d3_date_utc(); - utc._ = t0; - return range(utc, t1, dt); - } finally { - d3_date = Date; - } - } - local.floor = local; - local.round = round; - local.ceil = ceil; - local.offset = offset; - local.range = range; - var utc = local.utc = d3_time_interval_utc(local); - utc.floor = utc; - utc.round = d3_time_interval_utc(round); - utc.ceil = d3_time_interval_utc(ceil); - utc.offset = d3_time_interval_utc(offset); - utc.range = range_utc; - return local; - } - function d3_time_interval_utc(method) { - return function(date, k) { - try { - d3_date = d3_date_utc; - var utc = new d3_date_utc(); - utc._ = date; - return method(utc, k)._; - } finally { - d3_date = Date; + q._data[i] = r; + if (q._waiting) poke(q); + else maybeNotify(q); } }; } - d3_time.year = d3_time_interval(function(date) { - date = d3_time.day(date); - date.setMonth(0, 1); - return date; - }, function(date, offset) { - date.setFullYear(date.getFullYear() + offset); - }, function(date) { - return date.getFullYear(); - }); - d3_time.years = d3_time.year.range; - d3_time.years.utc = d3_time.year.utc.range; - d3_time.day = d3_time_interval(function(date) { - var day = new d3_date(2e3, 0); - day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate()); - return day; - }, function(date, offset) { - date.setDate(date.getDate() + offset); - }, function(date) { - return date.getDate() - 1; - }); - d3_time.days = d3_time.day.range; - d3_time.days.utc = d3_time.day.utc.range; - d3_time.dayOfYear = function(date) { - var year = d3_time.year(date); - return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5); - }; - [ "sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday" ].forEach(function(day, i) { - i = 7 - i; - var interval = d3_time[day] = d3_time_interval(function(date) { - (date = d3_time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7); - return date; - }, function(date, offset) { - date.setDate(date.getDate() + Math.floor(offset) * 7); - }, function(date) { - var day = d3_time.year(date).getDay(); - return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i); - }); - d3_time[day + "s"] = interval.range; - d3_time[day + "s"].utc = interval.utc.range; - d3_time[day + "OfYear"] = function(date) { - var day = d3_time.year(date).getDay(); - return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7); - }; - }); - d3_time.week = d3_time.sunday; - d3_time.weeks = d3_time.sunday.range; - d3_time.weeks.utc = d3_time.sunday.utc.range; - d3_time.weekOfYear = d3_time.sundayOfYear; - function d3_locale_timeFormat(locale) { - var locale_dateTime = locale.dateTime, locale_date = locale.date, locale_time = locale.time, locale_periods = locale.periods, locale_days = locale.days, locale_shortDays = locale.shortDays, locale_months = locale.months, locale_shortMonths = locale.shortMonths; - function d3_time_format(template) { - var n = template.length; - function format(date) { - var string = [], i = -1, j = 0, c, p, f; - while (++i < n) { - if (template.charCodeAt(i) === 37) { - string.push(template.slice(j, i)); - if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i); - if (f = d3_time_formats[c]) c = f(date, p == null ? c === "e" ? " " : "0" : p); - string.push(c); - j = i + 1; - } - } - string.push(template.slice(j, i)); - return string.join(""); - } - format.parse = function(string) { - var d = { - y: 1900, - m: 0, - d: 1, - H: 0, - M: 0, - S: 0, - L: 0, - Z: null - }, i = d3_time_parse(d, template, string, 0); - if (i != string.length) return null; - if ("p" in d) d.H = d.H % 12 + d.p * 12; - var localZ = d.Z != null && d3_date !== d3_date_utc, date = new (localZ ? d3_date_utc : d3_date)(); - if ("j" in d) date.setFullYear(d.y, 0, d.j); else if ("W" in d || "U" in d) { - if (!("w" in d)) d.w = "W" in d ? 1 : 0; - date.setFullYear(d.y, 0, 1); - date.setFullYear(d.y, 0, "W" in d ? (d.w + 6) % 7 + d.W * 7 - (date.getDay() + 5) % 7 : d.w + d.U * 7 - (date.getDay() + 6) % 7); - } else date.setFullYear(d.y, d.m, d.d); - date.setHours(d.H + (d.Z / 100 | 0), d.M + d.Z % 100, d.S, d.L); - return localZ ? date._ : date; - }; - format.toString = function() { - return template; - }; - return format; - } - function d3_time_parse(date, template, string, j) { - var c, p, t, i = 0, n = template.length, m = string.length; - while (i < n) { - if (j >= m) return -1; - c = template.charCodeAt(i++); - if (c === 37) { - t = template.charAt(i++); - p = d3_time_parsers[t in d3_time_formatPads ? template.charAt(i++) : t]; - if (!p || (j = p(date, string, j)) < 0) return -1; - } else if (c != string.charCodeAt(j++)) { - return -1; - } + + function abort(q, e) { + var i = q._tasks.length, t; + q._error = e; // ignore active callbacks + q._data = undefined; // allow gc + q._waiting = NaN; // prevent starting + + while (--i >= 0) { + if (t = q._tasks[i]) { + q._tasks[i] = null; + if (t.abort) try { t.abort(); } + catch (e) { /* ignore */ } } - return j; } - d3_time_format.utc = function(template) { - var local = d3_time_format(template); - function format(date) { - try { - d3_date = d3_date_utc; - var utc = new d3_date(); - utc._ = date; - return local(utc); - } finally { - d3_date = Date; - } - } - format.parse = function(string) { - try { - d3_date = d3_date_utc; - var date = local.parse(string); - return date && date._; - } finally { - d3_date = Date; - } - }; - format.toString = local.toString; - return format; - }; - d3_time_format.multi = d3_time_format.utc.multi = d3_time_formatMulti; - var d3_time_periodLookup = d3.map(), d3_time_dayRe = d3_time_formatRe(locale_days), d3_time_dayLookup = d3_time_formatLookup(locale_days), d3_time_dayAbbrevRe = d3_time_formatRe(locale_shortDays), d3_time_dayAbbrevLookup = d3_time_formatLookup(locale_shortDays), d3_time_monthRe = d3_time_formatRe(locale_months), d3_time_monthLookup = d3_time_formatLookup(locale_months), d3_time_monthAbbrevRe = d3_time_formatRe(locale_shortMonths), d3_time_monthAbbrevLookup = d3_time_formatLookup(locale_shortMonths); - locale_periods.forEach(function(p, i) { - d3_time_periodLookup.set(p.toLowerCase(), i); - }); - var d3_time_formats = { - a: function(d) { - return locale_shortDays[d.getDay()]; - }, - A: function(d) { - return locale_days[d.getDay()]; - }, - b: function(d) { - return locale_shortMonths[d.getMonth()]; - }, - B: function(d) { - return locale_months[d.getMonth()]; - }, - c: d3_time_format(locale_dateTime), - d: function(d, p) { - return d3_time_formatPad(d.getDate(), p, 2); - }, - e: function(d, p) { - return d3_time_formatPad(d.getDate(), p, 2); - }, - H: function(d, p) { - return d3_time_formatPad(d.getHours(), p, 2); - }, - I: function(d, p) { - return d3_time_formatPad(d.getHours() % 12 || 12, p, 2); - }, - j: function(d, p) { - return d3_time_formatPad(1 + d3_time.dayOfYear(d), p, 3); - }, - L: function(d, p) { - return d3_time_formatPad(d.getMilliseconds(), p, 3); - }, - m: function(d, p) { - return d3_time_formatPad(d.getMonth() + 1, p, 2); - }, - M: function(d, p) { - return d3_time_formatPad(d.getMinutes(), p, 2); - }, - p: function(d) { - return locale_periods[+(d.getHours() >= 12)]; - }, - S: function(d, p) { - return d3_time_formatPad(d.getSeconds(), p, 2); - }, - U: function(d, p) { - return d3_time_formatPad(d3_time.sundayOfYear(d), p, 2); - }, - w: function(d) { - return d.getDay(); - }, - W: function(d, p) { - return d3_time_formatPad(d3_time.mondayOfYear(d), p, 2); - }, - x: d3_time_format(locale_date), - X: d3_time_format(locale_time), - y: function(d, p) { - return d3_time_formatPad(d.getFullYear() % 100, p, 2); - }, - Y: function(d, p) { - return d3_time_formatPad(d.getFullYear() % 1e4, p, 4); - }, - Z: d3_time_zone, - "%": function() { - return "%"; - } - }; - var d3_time_parsers = { - a: d3_time_parseWeekdayAbbrev, - A: d3_time_parseWeekday, - b: d3_time_parseMonthAbbrev, - B: d3_time_parseMonth, - c: d3_time_parseLocaleFull, - d: d3_time_parseDay, - e: d3_time_parseDay, - H: d3_time_parseHour24, - I: d3_time_parseHour24, - j: d3_time_parseDayOfYear, - L: d3_time_parseMilliseconds, - m: d3_time_parseMonthNumber, - M: d3_time_parseMinutes, - p: d3_time_parseAmPm, - S: d3_time_parseSeconds, - U: d3_time_parseWeekNumberSunday, - w: d3_time_parseWeekdayNumber, - W: d3_time_parseWeekNumberMonday, - x: d3_time_parseLocaleDate, - X: d3_time_parseLocaleTime, - y: d3_time_parseYear, - Y: d3_time_parseFullYear, - Z: d3_time_parseZone, - "%": d3_time_parseLiteralPercent - }; - function d3_time_parseWeekdayAbbrev(date, string, i) { - d3_time_dayAbbrevRe.lastIndex = 0; - var n = d3_time_dayAbbrevRe.exec(string.slice(i)); - return n ? (date.w = d3_time_dayAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; - } - function d3_time_parseWeekday(date, string, i) { - d3_time_dayRe.lastIndex = 0; - var n = d3_time_dayRe.exec(string.slice(i)); - return n ? (date.w = d3_time_dayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; - } - function d3_time_parseMonthAbbrev(date, string, i) { - d3_time_monthAbbrevRe.lastIndex = 0; - var n = d3_time_monthAbbrevRe.exec(string.slice(i)); - return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; - } - function d3_time_parseMonth(date, string, i) { - d3_time_monthRe.lastIndex = 0; - var n = d3_time_monthRe.exec(string.slice(i)); - return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; - } - function d3_time_parseLocaleFull(date, string, i) { - return d3_time_parse(date, d3_time_formats.c.toString(), string, i); - } - function d3_time_parseLocaleDate(date, string, i) { - return d3_time_parse(date, d3_time_formats.x.toString(), string, i); - } - function d3_time_parseLocaleTime(date, string, i) { - return d3_time_parse(date, d3_time_formats.X.toString(), string, i); - } - function d3_time_parseAmPm(date, string, i) { - var n = d3_time_periodLookup.get(string.slice(i, i += 2).toLowerCase()); - return n == null ? -1 : (date.p = n, i); - } - return d3_time_format; - } - var d3_time_formatPads = { - "-": "", - _: " ", - "0": "0" - }, d3_time_numberRe = /^\s*\d+/, d3_time_percentRe = /^%/; - function d3_time_formatPad(value, fill, width) { - var sign = value < 0 ? "-" : "", string = (sign ? -value : value) + "", length = string.length; - return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); - } - function d3_time_formatRe(names) { - return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i"); - } - function d3_time_formatLookup(names) { - var map = new d3_Map(), i = -1, n = names.length; - while (++i < n) map.set(names[i].toLowerCase(), i); - return map; - } - function d3_time_parseWeekdayNumber(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 1)); - return n ? (date.w = +n[0], i + n[0].length) : -1; - } - function d3_time_parseWeekNumberSunday(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i)); - return n ? (date.U = +n[0], i + n[0].length) : -1; - } - function d3_time_parseWeekNumberMonday(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i)); - return n ? (date.W = +n[0], i + n[0].length) : -1; - } - function d3_time_parseFullYear(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 4)); - return n ? (date.y = +n[0], i + n[0].length) : -1; - } - function d3_time_parseYear(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 2)); - return n ? (date.y = d3_time_expandYear(+n[0]), i + n[0].length) : -1; - } - function d3_time_parseZone(date, string, i) { - return /^[+-]\d{4}$/.test(string = string.slice(i, i + 5)) ? (date.Z = -string, - i + 5) : -1; - } - function d3_time_expandYear(d) { - return d + (d > 68 ? 1900 : 2e3); - } - function d3_time_parseMonthNumber(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 2)); - return n ? (date.m = n[0] - 1, i + n[0].length) : -1; - } - function d3_time_parseDay(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 2)); - return n ? (date.d = +n[0], i + n[0].length) : -1; - } - function d3_time_parseDayOfYear(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 3)); - return n ? (date.j = +n[0], i + n[0].length) : -1; - } - function d3_time_parseHour24(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 2)); - return n ? (date.H = +n[0], i + n[0].length) : -1; - } - function d3_time_parseMinutes(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 2)); - return n ? (date.M = +n[0], i + n[0].length) : -1; - } - function d3_time_parseSeconds(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 2)); - return n ? (date.S = +n[0], i + n[0].length) : -1; - } - function d3_time_parseMilliseconds(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 3)); - return n ? (date.L = +n[0], i + n[0].length) : -1; - } - function d3_time_zone(d) { - var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = abs(z) / 60 | 0, zm = abs(z) % 60; - return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2); - } - function d3_time_parseLiteralPercent(date, string, i) { - d3_time_percentRe.lastIndex = 0; - var n = d3_time_percentRe.exec(string.slice(i, i + 1)); - return n ? i + n[0].length : -1; - } - function d3_time_formatMulti(formats) { - var n = formats.length, i = -1; - while (++i < n) formats[i][0] = this(formats[i][0]); - return function(date) { - var i = 0, f = formats[i]; - while (!f[1](date)) f = formats[++i]; - return f[0](date); - }; + + q._active = NaN; // allow notification + maybeNotify(q); } - d3.locale = function(locale) { - return { - numberFormat: d3_locale_numberFormat(locale), - timeFormat: d3_locale_timeFormat(locale) - }; - }; - var d3_locale_enUS = d3.locale({ - decimal: ".", - thousands: ",", - grouping: [ 3 ], - currency: [ "$", "" ], - dateTime: "%a %b %e %X %Y", - date: "%m/%d/%Y", - time: "%H:%M:%S", - periods: [ "AM", "PM" ], - days: [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ], - shortDays: [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ], - months: [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ], - shortMonths: [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ] - }); - d3.format = d3_locale_enUS.numberFormat; - d3.geo = {}; - function d3_adder() {} - d3_adder.prototype = { - s: 0, - t: 0, - add: function(y) { - d3_adderSum(y, this.t, d3_adderTemp); - d3_adderSum(d3_adderTemp.s, this.s, this); - if (this.s) this.t += d3_adderTemp.t; else this.s = d3_adderTemp.t; - }, - reset: function() { - this.s = this.t = 0; - }, - valueOf: function() { - return this.s; - } - }; - var d3_adderTemp = new d3_adder(); - function d3_adderSum(a, b, o) { - var x = o.s = a + b, bv = x - a, av = x - bv; - o.t = a - av + (b - bv); - } - d3.geo.stream = function(object, listener) { - if (object && d3_geo_streamObjectType.hasOwnProperty(object.type)) { - d3_geo_streamObjectType[object.type](object, listener); - } else { - d3_geo_streamGeometry(object, listener); - } - }; - function d3_geo_streamGeometry(geometry, listener) { - if (geometry && d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) { - d3_geo_streamGeometryType[geometry.type](geometry, listener); - } + + function maybeNotify(q) { + if (!q._active && q._call) q._call(q._error, q._data); } - var d3_geo_streamObjectType = { - Feature: function(feature, listener) { - d3_geo_streamGeometry(feature.geometry, listener); - }, - FeatureCollection: function(object, listener) { - var features = object.features, i = -1, n = features.length; - while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener); - } - }; - var d3_geo_streamGeometryType = { - Sphere: function(object, listener) { - listener.sphere(); - }, - Point: function(object, listener) { - object = object.coordinates; - listener.point(object[0], object[1], object[2]); - }, - MultiPoint: function(object, listener) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) object = coordinates[i], listener.point(object[0], object[1], object[2]); - }, - LineString: function(object, listener) { - d3_geo_streamLine(object.coordinates, listener, 0); - }, - MultiLineString: function(object, listener) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0); - }, - Polygon: function(object, listener) { - d3_geo_streamPolygon(object.coordinates, listener); - }, - MultiPolygon: function(object, listener) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) d3_geo_streamPolygon(coordinates[i], listener); - }, - GeometryCollection: function(object, listener) { - var geometries = object.geometries, i = -1, n = geometries.length; - while (++i < n) d3_geo_streamGeometry(geometries[i], listener); - } - }; - function d3_geo_streamLine(coordinates, listener, closed) { - var i = -1, n = coordinates.length - closed, coordinate; - listener.lineStart(); - while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1], coordinate[2]); - listener.lineEnd(); + + function queue(concurrency) { + return new Queue(arguments.length ? +concurrency : Infinity); } - function d3_geo_streamPolygon(coordinates, listener) { - var i = -1, n = coordinates.length; - listener.polygonStart(); - while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1); - listener.polygonEnd(); - } - d3.geo.area = function(object) { - d3_geo_areaSum = 0; - d3.geo.stream(object, d3_geo_area); - return d3_geo_areaSum; - }; - var d3_geo_areaSum, d3_geo_areaRingSum = new d3_adder(); - var d3_geo_area = { - sphere: function() { - d3_geo_areaSum += 4 * π; - }, - point: d3_noop, - lineStart: d3_noop, - lineEnd: d3_noop, - polygonStart: function() { - d3_geo_areaRingSum.reset(); - d3_geo_area.lineStart = d3_geo_areaRingStart; - }, - polygonEnd: function() { - var area = 2 * d3_geo_areaRingSum; - d3_geo_areaSum += area < 0 ? 4 * π + area : area; - d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop; - } - }; - function d3_geo_areaRingStart() { - var λ00, φ00, λ0, cosφ0, sinφ0; - d3_geo_area.point = function(λ, φ) { - d3_geo_area.point = nextPoint; - λ0 = (λ00 = λ) * d3_radians, cosφ0 = Math.cos(φ = (φ00 = φ) * d3_radians / 2 + π / 4), - sinφ0 = Math.sin(φ); - }; - function nextPoint(λ, φ) { - λ *= d3_radians; - φ = φ * d3_radians / 2 + π / 4; - var dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u = cosφ0 * cosφ + k * Math.cos(adλ), v = k * sdλ * Math.sin(adλ); - d3_geo_areaRingSum.add(Math.atan2(v, u)); - λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ; - } - d3_geo_area.lineEnd = function() { - nextPoint(λ00, φ00); + + function constant$1(x) { + return function constant() { + return x; }; } - function d3_geo_cartesian(spherical) { - var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ); - return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ]; + + var epsilon$1 = 1e-12; + var pi$2 = Math.PI; + var halfPi$1 = pi$2 / 2; + var tau$2 = 2 * pi$2; + + function arcInnerRadius(d) { + return d.innerRadius; } - function d3_geo_cartesianDot(a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; + + function arcOuterRadius(d) { + return d.outerRadius; } - function d3_geo_cartesianCross(a, b) { - return [ a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0] ]; + + function arcStartAngle(d) { + return d.startAngle; } - function d3_geo_cartesianAdd(a, b) { - a[0] += b[0]; - a[1] += b[1]; - a[2] += b[2]; + + function arcEndAngle(d) { + return d.endAngle; } - function d3_geo_cartesianScale(vector, k) { - return [ vector[0] * k, vector[1] * k, vector[2] * k ]; + + function arcPadAngle(d) { + return d && d.padAngle; // Note: optional! } - function d3_geo_cartesianNormalize(d) { - var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); - d[0] /= l; - d[1] /= l; - d[2] /= l; + + function asin(x) { + return x >= 1 ? halfPi$1 : x <= -1 ? -halfPi$1 : Math.asin(x); } - function d3_geo_spherical(cartesian) { - return [ Math.atan2(cartesian[1], cartesian[0]), d3_asin(cartesian[2]) ]; + + function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { + var x10 = x1 - x0, y10 = y1 - y0, + x32 = x3 - x2, y32 = y3 - y2, + t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / (y32 * x10 - x32 * y10); + return [x0 + t * x10, y0 + t * y10]; } - function d3_geo_sphericalEqual(a, b) { - return abs(a[0] - b[0]) < ε && abs(a[1] - b[1]) < ε; + + // Compute perpendicular offset line of length rc. + // http://mathworld.wolfram.com/Circle-LineIntersection.html + function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { + var x01 = x0 - x1, + y01 = y0 - y1, + lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), + ox = lo * y01, + oy = -lo * x01, + x11 = x0 + ox, + y11 = y0 + oy, + x10 = x1 + ox, + y10 = y1 + oy, + x00 = (x11 + x10) / 2, + y00 = (y11 + y10) / 2, + dx = x10 - x11, + dy = y10 - y11, + d2 = dx * dx + dy * dy, + r = r1 - rc, + D = x11 * y10 - x10 * y11, + d = (dy < 0 ? -1 : 1) * Math.sqrt(Math.max(0, r * r * d2 - D * D)), + cx0 = (D * dy - dx * d) / d2, + cy0 = (-D * dx - dy * d) / d2, + cx1 = (D * dy + dx * d) / d2, + cy1 = (-D * dx + dy * d) / d2, + dx0 = cx0 - x00, + dy0 = cy0 - y00, + dx1 = cx1 - x00, + dy1 = cy1 - y00; + + // Pick the closer of the two intersection points. + // TODO Is there a faster way to determine which intersection to use? + if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; + + return { + cx: cx0, + cy: cy0, + x01: -ox, + y01: -oy, + x11: cx0 * (r1 / r - 1), + y11: cy0 * (r1 / r - 1) + }; } - d3.geo.bounds = function() { - var λ0, φ0, λ1, φ1, λ_, λ__, φ__, p0, dλSum, ranges, range; - var bound = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - bound.point = ringPoint; - bound.lineStart = ringStart; - bound.lineEnd = ringEnd; - dλSum = 0; - d3_geo_area.polygonStart(); - }, - polygonEnd: function() { - d3_geo_area.polygonEnd(); - bound.point = point; - bound.lineStart = lineStart; - bound.lineEnd = lineEnd; - if (d3_geo_areaRingSum < 0) λ0 = -(λ1 = 180), φ0 = -(φ1 = 90); else if (dλSum > ε) φ1 = 90; else if (dλSum < -ε) φ0 = -90; - range[0] = λ0, range[1] = λ1; - } - }; - function point(λ, φ) { - ranges.push(range = [ λ0 = λ, λ1 = λ ]); - if (φ < φ0) φ0 = φ; - if (φ > φ1) φ1 = φ; - } - function linePoint(λ, φ) { - var p = d3_geo_cartesian([ λ * d3_radians, φ * d3_radians ]); - if (p0) { - var normal = d3_geo_cartesianCross(p0, p), equatorial = [ normal[1], -normal[0], 0 ], inflection = d3_geo_cartesianCross(equatorial, normal); - d3_geo_cartesianNormalize(inflection); - inflection = d3_geo_spherical(inflection); - var dλ = λ - λ_, s = dλ > 0 ? 1 : -1, λi = inflection[0] * d3_degrees * s, antimeridian = abs(dλ) > 180; - if (antimeridian ^ (s * λ_ < λi && λi < s * λ)) { - var φi = inflection[1] * d3_degrees; - if (φi > φ1) φ1 = φi; - } else if (λi = (λi + 360) % 360 - 180, antimeridian ^ (s * λ_ < λi && λi < s * λ)) { - var φi = -inflection[1] * d3_degrees; - if (φi < φ0) φ0 = φi; - } else { - if (φ < φ0) φ0 = φ; - if (φ > φ1) φ1 = φ; + + function arc() { + var innerRadius = arcInnerRadius, + outerRadius = arcOuterRadius, + cornerRadius = constant$1(0), + padRadius = null, + startAngle = arcStartAngle, + endAngle = arcEndAngle, + padAngle = arcPadAngle, + context = null; + + function arc() { + var buffer, + r, + r0 = +innerRadius.apply(this, arguments), + r1 = +outerRadius.apply(this, arguments), + a0 = startAngle.apply(this, arguments) - halfPi$1, + a1 = endAngle.apply(this, arguments) - halfPi$1, + da = Math.abs(a1 - a0), + cw = a1 > a0; + + if (!context) context = buffer = path(); + + // Ensure that the outer radius is always larger than the inner radius. + if (r1 < r0) r = r1, r1 = r0, r0 = r; + + // Is it a point? + if (!(r1 > epsilon$1)) context.moveTo(0, 0); + + // Or is it a circle or annulus? + else if (da > tau$2 - epsilon$1) { + context.moveTo(r1 * Math.cos(a0), r1 * Math.sin(a0)); + context.arc(0, 0, r1, a0, a1, !cw); + if (r0 > epsilon$1) { + context.moveTo(r0 * Math.cos(a1), r0 * Math.sin(a1)); + context.arc(0, 0, r0, a1, a0, cw); } - if (antimeridian) { - if (λ < λ_) { - if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ; - } else { - if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ; - } - } else { - if (λ1 >= λ0) { - if (λ < λ0) λ0 = λ; - if (λ > λ1) λ1 = λ; - } else { - if (λ > λ_) { - if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ; - } else { - if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ; - } + } + + // Or is it a circular or annular sector? + else { + var a01 = a0, + a11 = a1, + a00 = a0, + a10 = a1, + da0 = da, + da1 = da, + ap = padAngle.apply(this, arguments) / 2, + rp = (ap > epsilon$1) && (padRadius ? +padRadius.apply(this, arguments) : Math.sqrt(r0 * r0 + r1 * r1)), + rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments)), + rc0 = rc, + rc1 = rc, + t0, + t1; + + // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0. + if (rp > epsilon$1) { + var p0 = asin(rp / r0 * Math.sin(ap)), + p1 = asin(rp / r1 * Math.sin(ap)); + if ((da0 -= p0 * 2) > epsilon$1) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0; + else da0 = 0, a00 = a10 = (a0 + a1) / 2; + if ((da1 -= p1 * 2) > epsilon$1) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1; + else da1 = 0, a01 = a11 = (a0 + a1) / 2; + } + + var x01 = r1 * Math.cos(a01), + y01 = r1 * Math.sin(a01), + x10 = r0 * Math.cos(a10), + y10 = r0 * Math.sin(a10); + + // Apply rounded corners? + if (rc > epsilon$1) { + var x11 = r1 * Math.cos(a11), + y11 = r1 * Math.sin(a11), + x00 = r0 * Math.cos(a00), + y00 = r0 * Math.sin(a00); + + // Restrict the corner radius according to the sector angle. + if (da < pi$2) { + var oc = da0 > epsilon$1 ? intersect(x01, y01, x00, y00, x11, y11, x10, y10) : [x10, y10], + ax = x01 - oc[0], + ay = y01 - oc[1], + bx = x11 - oc[0], + by = y11 - oc[1], + kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), + lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]); + rc0 = Math.min(rc, (r0 - lc) / (kc - 1)); + rc1 = Math.min(rc, (r1 - lc) / (kc + 1)); } } - } else { - point(λ, φ); - } - p0 = p, λ_ = λ; - } - function lineStart() { - bound.point = linePoint; - } - function lineEnd() { - range[0] = λ0, range[1] = λ1; - bound.point = point; - p0 = null; - } - function ringPoint(λ, φ) { - if (p0) { - var dλ = λ - λ_; - dλSum += abs(dλ) > 180 ? dλ + (dλ > 0 ? 360 : -360) : dλ; - } else λ__ = λ, φ__ = φ; - d3_geo_area.point(λ, φ); - linePoint(λ, φ); - } - function ringStart() { - d3_geo_area.lineStart(); - } - function ringEnd() { - ringPoint(λ__, φ__); - d3_geo_area.lineEnd(); - if (abs(dλSum) > ε) λ0 = -(λ1 = 180); - range[0] = λ0, range[1] = λ1; - p0 = null; - } - function angle(λ0, λ1) { - return (λ1 -= λ0) < 0 ? λ1 + 360 : λ1; - } - function compareRanges(a, b) { - return a[0] - b[0]; - } - function withinRange(x, range) { - return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; - } - return function(feature) { - φ1 = λ1 = -(λ0 = φ0 = Infinity); - ranges = []; - d3.geo.stream(feature, bound); - var n = ranges.length; - if (n) { - ranges.sort(compareRanges); - for (var i = 1, a = ranges[0], b, merged = [ a ]; i < n; ++i) { - b = ranges[i]; - if (withinRange(b[0], a) || withinRange(b[1], a)) { - if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; - if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; - } else { - merged.push(a = b); + + // Is the sector collapsed to a line? + if (!(da1 > epsilon$1)) context.moveTo(x01, y01); + + // Does the sector’s outer ring have rounded corners? + else if (rc1 > epsilon$1) { + t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw); + t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw); + + context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01); + + // Have the corners merged? + if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw); + + // Otherwise, draw the two corners and the ring. + else { + context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw); + context.arc(0, 0, r1, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), !cw); + context.arc(t1.cx, t1.cy, rc1, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw); } } - var best = -Infinity, dλ; - for (var n = merged.length - 1, i = 0, a = merged[n], b; i <= n; a = b, ++i) { - b = merged[i]; - if ((dλ = angle(a[1], b[0])) > best) best = dλ, λ0 = b[0], λ1 = a[1]; + + // Or is the outer ring just a circular arc? + else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw); + + // Is there no inner ring, and it’s a circular sector? + // Or perhaps it’s an annular sector collapsed due to padding? + if (!(r0 > epsilon$1) || !(da0 > epsilon$1)) context.lineTo(x10, y10); + + // Does the sector’s inner ring (or point) have rounded corners? + else if (rc0 > epsilon$1) { + t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw); + t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw); + + context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01); + + // Have the corners merged? + if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw); + + // Otherwise, draw the two corners and the ring. + else { + context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw); + context.arc(0, 0, r0, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), cw); + context.arc(t1.cx, t1.cy, rc0, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw); + } } + + // Or is the inner ring just a circular arc? + else context.arc(0, 0, r0, a10, a00, cw); } - ranges = range = null; - return λ0 === Infinity || φ0 === Infinity ? [ [ NaN, NaN ], [ NaN, NaN ] ] : [ [ λ0, φ0 ], [ λ1, φ1 ] ]; - }; - }(); - d3.geo.centroid = function(object) { - d3_geo_centroidW0 = d3_geo_centroidW1 = d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0; - d3.geo.stream(object, d3_geo_centroid); - var x = d3_geo_centroidX2, y = d3_geo_centroidY2, z = d3_geo_centroidZ2, m = x * x + y * y + z * z; - if (m < ε2) { - x = d3_geo_centroidX1, y = d3_geo_centroidY1, z = d3_geo_centroidZ1; - if (d3_geo_centroidW1 < ε) x = d3_geo_centroidX0, y = d3_geo_centroidY0, z = d3_geo_centroidZ0; - m = x * x + y * y + z * z; - if (m < ε2) return [ NaN, NaN ]; - } - return [ Math.atan2(y, x) * d3_degrees, d3_asin(z / Math.sqrt(m)) * d3_degrees ]; - }; - var d3_geo_centroidW0, d3_geo_centroidW1, d3_geo_centroidX0, d3_geo_centroidY0, d3_geo_centroidZ0, d3_geo_centroidX1, d3_geo_centroidY1, d3_geo_centroidZ1, d3_geo_centroidX2, d3_geo_centroidY2, d3_geo_centroidZ2; - var d3_geo_centroid = { - sphere: d3_noop, - point: d3_geo_centroidPoint, - lineStart: d3_geo_centroidLineStart, - lineEnd: d3_geo_centroidLineEnd, - polygonStart: function() { - d3_geo_centroid.lineStart = d3_geo_centroidRingStart; - }, - polygonEnd: function() { - d3_geo_centroid.lineStart = d3_geo_centroidLineStart; - } - }; - function d3_geo_centroidPoint(λ, φ) { - λ *= d3_radians; - var cosφ = Math.cos(φ *= d3_radians); - d3_geo_centroidPointXYZ(cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ)); - } - function d3_geo_centroidPointXYZ(x, y, z) { - ++d3_geo_centroidW0; - d3_geo_centroidX0 += (x - d3_geo_centroidX0) / d3_geo_centroidW0; - d3_geo_centroidY0 += (y - d3_geo_centroidY0) / d3_geo_centroidW0; - d3_geo_centroidZ0 += (z - d3_geo_centroidZ0) / d3_geo_centroidW0; - } - function d3_geo_centroidLineStart() { - var x0, y0, z0; - d3_geo_centroid.point = function(λ, φ) { - λ *= d3_radians; - var cosφ = Math.cos(φ *= d3_radians); - x0 = cosφ * Math.cos(λ); - y0 = cosφ * Math.sin(λ); - z0 = Math.sin(φ); - d3_geo_centroid.point = nextPoint; - d3_geo_centroidPointXYZ(x0, y0, z0); - }; - function nextPoint(λ, φ) { - λ *= d3_radians; - var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), w = Math.atan2(Math.sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); - d3_geo_centroidW1 += w; - d3_geo_centroidX1 += w * (x0 + (x0 = x)); - d3_geo_centroidY1 += w * (y0 + (y0 = y)); - d3_geo_centroidZ1 += w * (z0 + (z0 = z)); - d3_geo_centroidPointXYZ(x0, y0, z0); - } - } - function d3_geo_centroidLineEnd() { - d3_geo_centroid.point = d3_geo_centroidPoint; - } - function d3_geo_centroidRingStart() { - var λ00, φ00, x0, y0, z0; - d3_geo_centroid.point = function(λ, φ) { - λ00 = λ, φ00 = φ; - d3_geo_centroid.point = nextPoint; - λ *= d3_radians; - var cosφ = Math.cos(φ *= d3_radians); - x0 = cosφ * Math.cos(λ); - y0 = cosφ * Math.sin(λ); - z0 = Math.sin(φ); - d3_geo_centroidPointXYZ(x0, y0, z0); - }; - d3_geo_centroid.lineEnd = function() { - nextPoint(λ00, φ00); - d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd; - d3_geo_centroid.point = d3_geo_centroidPoint; - }; - function nextPoint(λ, φ) { - λ *= d3_radians; - var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), cx = y0 * z - z0 * y, cy = z0 * x - x0 * z, cz = x0 * y - y0 * x, m = Math.sqrt(cx * cx + cy * cy + cz * cz), u = x0 * x + y0 * y + z0 * z, v = m && -d3_acos(u) / m, w = Math.atan2(m, u); - d3_geo_centroidX2 += v * cx; - d3_geo_centroidY2 += v * cy; - d3_geo_centroidZ2 += v * cz; - d3_geo_centroidW1 += w; - d3_geo_centroidX1 += w * (x0 + (x0 = x)); - d3_geo_centroidY1 += w * (y0 + (y0 = y)); - d3_geo_centroidZ1 += w * (z0 + (z0 = z)); - d3_geo_centroidPointXYZ(x0, y0, z0); - } - } - function d3_geo_compose(a, b) { - function compose(x, y) { - return x = a(x, y), b(x[0], x[1]); + + context.closePath(); + + if (buffer) return context = null, buffer + "" || null; } - if (a.invert && b.invert) compose.invert = function(x, y) { - return x = b.invert(x, y), x && a.invert(x[0], x[1]); + + arc.centroid = function() { + var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, + a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi$2 / 2; + return [Math.cos(a) * r, Math.sin(a) * r]; }; - return compose; - } - function d3_true() { - return true; + + arc.innerRadius = function(_) { + return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : innerRadius; + }; + + arc.outerRadius = function(_) { + return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : outerRadius; + }; + + arc.cornerRadius = function(_) { + return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : cornerRadius; + }; + + arc.padRadius = function(_) { + return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), arc) : padRadius; + }; + + arc.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : startAngle; + }; + + arc.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : endAngle; + }; + + arc.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : padAngle; + }; + + arc.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), arc) : context; + }; + + return arc; } - function d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener) { - var subject = [], clip = []; - segments.forEach(function(segment) { - if ((n = segment.length - 1) <= 0) return; - var n, p0 = segment[0], p1 = segment[n]; - if (d3_geo_sphericalEqual(p0, p1)) { - listener.lineStart(); - for (var i = 0; i < n; ++i) listener.point((p0 = segment[i])[0], p0[1]); - listener.lineEnd(); - return; + + function Linear(context) { + this._context = context; + } + + Linear.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; // proceed + default: this._context.lineTo(x, y); break; } - var a = new d3_geo_clipPolygonIntersection(p0, segment, null, true), b = new d3_geo_clipPolygonIntersection(p0, null, a, false); - a.o = b; - subject.push(a); - clip.push(b); - a = new d3_geo_clipPolygonIntersection(p1, segment, null, false); - b = new d3_geo_clipPolygonIntersection(p1, null, a, true); - a.o = b; - subject.push(a); - clip.push(b); - }); - clip.sort(compare); - d3_geo_clipPolygonLinkCircular(subject); - d3_geo_clipPolygonLinkCircular(clip); - if (!subject.length) return; - for (var i = 0, entry = clipStartInside, n = clip.length; i < n; ++i) { - clip[i].e = entry = !entry; - } - var start = subject[0], points, point; - while (1) { - var current = start, isSubject = true; - while (current.v) if ((current = current.n) === start) return; - points = current.z; - listener.lineStart(); - do { - current.v = current.o.v = true; - if (current.e) { - if (isSubject) { - for (var i = 0, n = points.length; i < n; ++i) listener.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.n.x, 1, listener); - } - current = current.n; - } else { - if (isSubject) { - points = current.p.z; - for (var i = points.length - 1; i >= 0; --i) listener.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.p.x, -1, listener); - } - current = current.p; - } - current = current.o; - points = current.z; - isSubject = !isSubject; - } while (!current.v); - listener.lineEnd(); } + }; + + function curveLinear(context) { + return new Linear(context); } - function d3_geo_clipPolygonLinkCircular(array) { - if (!(n = array.length)) return; - var n, i = 0, a = array[0], b; - while (++i < n) { - a.n = b = array[i]; - b.p = a; - a = b; - } - a.n = b = array[0]; - b.p = a; + + function x(p) { + return p[0]; } - function d3_geo_clipPolygonIntersection(point, points, other, entry) { - this.x = point; - this.z = points; - this.o = other; - this.e = entry; - this.v = false; - this.n = this.p = null; - } - function d3_geo_clip(pointVisible, clipLine, interpolate, clipStart) { - return function(rotate, listener) { - var line = clipLine(listener), rotatedClipStart = rotate.invert(clipStart[0], clipStart[1]); - var clip = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - clip.point = pointRing; - clip.lineStart = ringStart; - clip.lineEnd = ringEnd; - segments = []; - polygon = []; - }, - polygonEnd: function() { - clip.point = point; - clip.lineStart = lineStart; - clip.lineEnd = lineEnd; - segments = d3.merge(segments); - var clipStartInside = d3_geo_pointInPolygon(rotatedClipStart, polygon); - if (segments.length) { - if (!polygonStarted) listener.polygonStart(), polygonStarted = true; - d3_geo_clipPolygon(segments, d3_geo_clipSort, clipStartInside, interpolate, listener); - } else if (clipStartInside) { - if (!polygonStarted) listener.polygonStart(), polygonStarted = true; - listener.lineStart(); - interpolate(null, null, 1, listener); - listener.lineEnd(); - } - if (polygonStarted) listener.polygonEnd(), polygonStarted = false; - segments = polygon = null; - }, - sphere: function() { - listener.polygonStart(); - listener.lineStart(); - interpolate(null, null, 1, listener); - listener.lineEnd(); - listener.polygonEnd(); - } - }; - function point(λ, φ) { - var point = rotate(λ, φ); - if (pointVisible(λ = point[0], φ = point[1])) listener.point(λ, φ); - } - function pointLine(λ, φ) { - var point = rotate(λ, φ); - line.point(point[0], point[1]); - } - function lineStart() { - clip.point = pointLine; - line.lineStart(); - } - function lineEnd() { - clip.point = point; - line.lineEnd(); - } - var segments; - var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), polygonStarted = false, polygon, ring; - function pointRing(λ, φ) { - ring.push([ λ, φ ]); - var point = rotate(λ, φ); - ringListener.point(point[0], point[1]); - } - function ringStart() { - ringListener.lineStart(); - ring = []; - } - function ringEnd() { - pointRing(ring[0][0], ring[0][1]); - ringListener.lineEnd(); - var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length; - ring.pop(); - polygon.push(ring); - ring = null; - if (!n) return; - if (clean & 1) { - segment = ringSegments[0]; - var n = segment.length - 1, i = -1, point; - if (n > 0) { - if (!polygonStarted) listener.polygonStart(), polygonStarted = true; - listener.lineStart(); - while (++i < n) listener.point((point = segment[i])[0], point[1]); - listener.lineEnd(); - } - return; + + function y(p) { + return p[1]; + } + + function line() { + var x$$ = x, + y$$ = y, + defined = constant$1(true), + context = null, + curve = curveLinear, + output = null; + + function line(data) { + var i, + n = data.length, + d, + defined0 = false, + buffer; + + if (context == null) output = curve(buffer = path()); + + for (i = 0; i <= n; ++i) { + if (!(i < n && defined(d = data[i], i, data)) === defined0) { + if (defined0 = !defined0) output.lineStart(); + else output.lineEnd(); } - if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); - segments.push(ringSegments.filter(d3_geo_clipSegmentLength1)); + if (defined0) output.point(+x$$(d, i, data), +y$$(d, i, data)); } - return clip; + + if (buffer) return output = null, buffer + "" || null; + } + + line.x = function(_) { + return arguments.length ? (x$$ = typeof _ === "function" ? _ : constant$1(+_), line) : x$$; }; - } - function d3_geo_clipSegmentLength1(segment) { - return segment.length > 1; - } - function d3_geo_clipBufferListener() { - var lines = [], line; - return { - lineStart: function() { - lines.push(line = []); - }, - point: function(λ, φ) { - line.push([ λ, φ ]); - }, - lineEnd: d3_noop, - buffer: function() { - var buffer = lines; - lines = []; - line = null; - return buffer; - }, - rejoin: function() { - if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); - } + + line.y = function(_) { + return arguments.length ? (y$$ = typeof _ === "function" ? _ : constant$1(+_), line) : y$$; }; + + line.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$1(!!_), line) : defined; + }; + + line.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; + }; + + line.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; + }; + + return line; } - function d3_geo_clipSort(a, b) { - return ((a = a.x)[0] < 0 ? a[1] - halfπ - ε : halfπ - a[1]) - ((b = b.x)[0] < 0 ? b[1] - halfπ - ε : halfπ - b[1]); - } - var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate, [ -π, -π / 2 ]); - function d3_geo_clipAntimeridianLine(listener) { - var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean; - return { - lineStart: function() { - listener.lineStart(); - clean = 1; - }, - point: function(λ1, φ1) { - var sλ1 = λ1 > 0 ? π : -π, dλ = abs(λ1 - λ0); - if (abs(dλ - π) < ε) { - listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? halfπ : -halfπ); - listener.point(sλ0, φ0); - listener.lineEnd(); - listener.lineStart(); - listener.point(sλ1, φ0); - listener.point(λ1, φ0); - clean = 0; - } else if (sλ0 !== sλ1 && dλ >= π) { - if (abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε; - if (abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε; - φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1); - listener.point(sλ0, φ0); - listener.lineEnd(); - listener.lineStart(); - listener.point(sλ1, φ0); - clean = 0; + + function area$1() { + var x0 = x, + x1 = null, + y0 = constant$1(0), + y1 = y, + defined = constant$1(true), + context = null, + curve = curveLinear, + output = null; + + function area(data) { + var i, + j, + k, + n = data.length, + d, + defined0 = false, + buffer, + x0z = new Array(n), + y0z = new Array(n); + + if (context == null) output = curve(buffer = path()); + + for (i = 0; i <= n; ++i) { + if (!(i < n && defined(d = data[i], i, data)) === defined0) { + if (defined0 = !defined0) { + j = i; + output.areaStart(); + output.lineStart(); + } else { + output.lineEnd(); + output.lineStart(); + for (k = i - 1; k >= j; --k) { + output.point(x0z[k], y0z[k]); + } + output.lineEnd(); + output.areaEnd(); + } + } + if (defined0) { + x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data); + output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]); } - listener.point(λ0 = λ1, φ0 = φ1); - sλ0 = sλ1; - }, - lineEnd: function() { - listener.lineEnd(); - λ0 = φ0 = NaN; - }, - clean: function() { - return 2 - clean; } + + if (buffer) return output = null, buffer + "" || null; + } + + function arealine() { + return line().defined(defined).curve(curve).context(context); + } + + area.x = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$1(+_), x1 = null, area) : x0; + }; + + area.x0 = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$1(+_), area) : x0; + }; + + area.x1 = function(_) { + return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), area) : x1; + }; + + area.y = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$1(+_), y1 = null, area) : y0; + }; + + area.y0 = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$1(+_), area) : y0; }; + + area.y1 = function(_) { + return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), area) : y1; + }; + + area.lineX0 = + area.lineY0 = function() { + return arealine().x(x0).y(y0); + }; + + area.lineY1 = function() { + return arealine().x(x0).y(y1); + }; + + area.lineX1 = function() { + return arealine().x(x1).y(y0); + }; + + area.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$1(!!_), area) : defined; + }; + + area.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; + }; + + area.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; + }; + + return area; } - function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) { - var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1); - return abs(sinλ0_λ1) > ε ? Math.atan((Math.sin(φ0) * (cosφ1 = Math.cos(φ1)) * Math.sin(λ1) - Math.sin(φ1) * (cosφ0 = Math.cos(φ0)) * Math.sin(λ0)) / (cosφ0 * cosφ1 * sinλ0_λ1)) : (φ0 + φ1) / 2; + + function descending$1(a, b) { + return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; } - function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) { - var φ; - if (from == null) { - φ = direction * halfπ; - listener.point(-π, φ); - listener.point(0, φ); - listener.point(π, φ); - listener.point(π, 0); - listener.point(π, -φ); - listener.point(0, -φ); - listener.point(-π, -φ); - listener.point(-π, 0); - listener.point(-π, φ); - } else if (abs(from[0] - to[0]) > ε) { - var s = from[0] < to[0] ? π : -π; - φ = direction * s / 2; - listener.point(-s, φ); - listener.point(0, φ); - listener.point(s, φ); - } else { - listener.point(to[0], to[1]); - } + + function identity$1(d) { + return d; } - function d3_geo_pointInPolygon(point, polygon) { - var meridian = point[0], parallel = point[1], meridianNormal = [ Math.sin(meridian), -Math.cos(meridian), 0 ], polarAngle = 0, winding = 0; - d3_geo_areaRingSum.reset(); - for (var i = 0, n = polygon.length; i < n; ++i) { - var ring = polygon[i], m = ring.length; - if (!m) continue; - var point0 = ring[0], λ0 = point0[0], φ0 = point0[1] / 2 + π / 4, sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), j = 1; - while (true) { - if (j === m) j = 0; - point = ring[j]; - var λ = point[0], φ = point[1] / 2 + π / 4, sinφ = Math.sin(φ), cosφ = Math.cos(φ), dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, antimeridian = adλ > π, k = sinφ0 * sinφ; - d3_geo_areaRingSum.add(Math.atan2(k * sdλ * Math.sin(adλ), cosφ0 * cosφ + k * Math.cos(adλ))); - polarAngle += antimeridian ? dλ + sdλ * τ : dλ; - if (antimeridian ^ λ0 >= meridian ^ λ >= meridian) { - var arc = d3_geo_cartesianCross(d3_geo_cartesian(point0), d3_geo_cartesian(point)); - d3_geo_cartesianNormalize(arc); - var intersection = d3_geo_cartesianCross(meridianNormal, arc); - d3_geo_cartesianNormalize(intersection); - var φarc = (antimeridian ^ dλ >= 0 ? -1 : 1) * d3_asin(intersection[2]); - if (parallel > φarc || parallel === φarc && (arc[0] || arc[1])) { - winding += antimeridian ^ dλ >= 0 ? 1 : -1; - } + + function pie() { + var value = identity$1, + sortValues = descending$1, + sort = null, + startAngle = constant$1(0), + endAngle = constant$1(tau$2), + padAngle = constant$1(0); + + function pie(data) { + var i, + n = data.length, + j, + k, + sum = 0, + index = new Array(n), + arcs = new Array(n), + a0 = +startAngle.apply(this, arguments), + da = Math.min(tau$2, Math.max(-tau$2, endAngle.apply(this, arguments) - a0)), + a1, + p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)), + pa = p * (da < 0 ? -1 : 1), + v; + + for (i = 0; i < n; ++i) { + if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) { + sum += v; } - if (!j++) break; - λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ, point0 = point; } + + // Optionally sort the arcs by previously-computed values or by data. + if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); }); + else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); }); + + // Compute the arcs! They are stored in the original data's order. + for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) { + j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = { + data: data[j], + index: i, + value: v, + startAngle: a0, + endAngle: a1, + padAngle: p + }; + } + + return arcs; } - return (polarAngle < -ε || polarAngle < ε && d3_geo_areaRingSum < -ε) ^ winding & 1; + + pie.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant$1(+_), pie) : value; + }; + + pie.sortValues = function(_) { + return arguments.length ? (sortValues = _, sort = null, pie) : sortValues; + }; + + pie.sort = function(_) { + return arguments.length ? (sort = _, sortValues = null, pie) : sort; + }; + + pie.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : startAngle; + }; + + pie.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : endAngle; + }; + + pie.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : padAngle; + }; + + return pie; } - function d3_geo_clipCircle(radius) { - var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians); - return d3_geo_clip(visible, clipLine, interpolate, smallRadius ? [ 0, -radius ] : [ -π, radius - π ]); - function visible(λ, φ) { - return Math.cos(λ) * Math.cos(φ) > cr; - } - function clipLine(listener) { - var point0, c0, v0, v00, clean; - return { - lineStart: function() { - v00 = v0 = false; - clean = 1; - }, - point: function(λ, φ) { - var point1 = [ λ, φ ], point2, v = visible(λ, φ), c = smallRadius ? v ? 0 : code(λ, φ) : v ? code(λ + (λ < 0 ? π : -π), φ) : 0; - if (!point0 && (v00 = v0 = v)) listener.lineStart(); - if (v !== v0) { - point2 = intersect(point0, point1); - if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) { - point1[0] += ε; - point1[1] += ε; - v = visible(point1[0], point1[1]); - } - } - if (v !== v0) { - clean = 0; - if (v) { - listener.lineStart(); - point2 = intersect(point1, point0); - listener.point(point2[0], point2[1]); - } else { - point2 = intersect(point0, point1); - listener.point(point2[0], point2[1]); - listener.lineEnd(); - } - point0 = point2; - } else if (notHemisphere && point0 && smallRadius ^ v) { - var t; - if (!(c & c0) && (t = intersect(point1, point0, true))) { - clean = 0; - if (smallRadius) { - listener.lineStart(); - listener.point(t[0][0], t[0][1]); - listener.point(t[1][0], t[1][1]); - listener.lineEnd(); - } else { - listener.point(t[1][0], t[1][1]); - listener.lineEnd(); - listener.lineStart(); - listener.point(t[0][0], t[0][1]); - } - } - } - if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) { - listener.point(point1[0], point1[1]); - } - point0 = point1, v0 = v, c0 = c; - }, - lineEnd: function() { - if (v0) listener.lineEnd(); - point0 = null; - }, - clean: function() { - return clean | (v00 && v0) << 1; - } - }; + + var curveRadialLinear = curveRadial(curveLinear); + + function Radial(curve) { + this._curve = curve; + } + + Radial.prototype = { + areaStart: function() { + this._curve.areaStart(); + }, + areaEnd: function() { + this._curve.areaEnd(); + }, + lineStart: function() { + this._curve.lineStart(); + }, + lineEnd: function() { + this._curve.lineEnd(); + }, + point: function(a, r) { + this._curve.point(r * Math.sin(a), r * -Math.cos(a)); } - function intersect(a, b, two) { - var pa = d3_geo_cartesian(a), pb = d3_geo_cartesian(b); - var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2; - if (!determinant) return !two && a; - var c1 = cr * n2n2 / determinant, c2 = -cr * n1n2 / determinant, n1xn2 = d3_geo_cartesianCross(n1, n2), A = d3_geo_cartesianScale(n1, c1), B = d3_geo_cartesianScale(n2, c2); - d3_geo_cartesianAdd(A, B); - var u = n1xn2, w = d3_geo_cartesianDot(A, u), uu = d3_geo_cartesianDot(u, u), t2 = w * w - uu * (d3_geo_cartesianDot(A, A) - 1); - if (t2 < 0) return; - var t = Math.sqrt(t2), q = d3_geo_cartesianScale(u, (-w - t) / uu); - d3_geo_cartesianAdd(q, A); - q = d3_geo_spherical(q); - if (!two) return q; - var λ0 = a[0], λ1 = b[0], φ0 = a[1], φ1 = b[1], z; - if (λ1 < λ0) z = λ0, λ0 = λ1, λ1 = z; - var δλ = λ1 - λ0, polar = abs(δλ - π) < ε, meridian = polar || δλ < ε; - if (!polar && φ1 < φ0) z = φ0, φ0 = φ1, φ1 = z; - if (meridian ? polar ? φ0 + φ1 > 0 ^ q[1] < (abs(q[0] - λ0) < ε ? φ0 : φ1) : φ0 <= q[1] && q[1] <= φ1 : δλ > π ^ (λ0 <= q[0] && q[0] <= λ1)) { - var q1 = d3_geo_cartesianScale(u, (-w + t) / uu); - d3_geo_cartesianAdd(q1, A); - return [ q, d3_geo_spherical(q1) ]; - } - } - function code(λ, φ) { - var r = smallRadius ? radius : π - radius, code = 0; - if (λ < -r) code |= 1; else if (λ > r) code |= 2; - if (φ < -r) code |= 4; else if (φ > r) code |= 8; - return code; + }; + + function curveRadial(curve) { + + function radial(context) { + return new Radial(curve(context)); } + + radial._curve = curve; + + return radial; } - function d3_geom_clipLine(x0, y0, x1, y1) { - return function(line) { - var a = line.a, b = line.b, ax = a.x, ay = a.y, bx = b.x, by = b.y, t0 = 0, t1 = 1, dx = bx - ax, dy = by - ay, r; - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - if (t0 > 0) line.a = { - x: ax + t0 * dx, - y: ay + t0 * dy - }; - if (t1 < 1) line.b = { - x: ax + t1 * dx, - y: ay + t1 * dy - }; - return line; + + function radialLine(l) { + var c = l.curve; + + l.angle = l.x, delete l.x; + l.radius = l.y, delete l.y; + + l.curve = function(_) { + return arguments.length ? c(curveRadial(_)) : c()._curve; }; + + return l; } - var d3_geo_clipExtentMAX = 1e9; - d3.geo.clipExtent = function() { - var x0, y0, x1, y1, stream, clip, clipExtent = { - stream: function(output) { - if (stream) stream.valid = false; - stream = clip(output); - stream.valid = true; - return stream; - }, - extent: function(_) { - if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ]; - clip = d3_geo_clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]); - if (stream) stream.valid = false, stream = null; - return clipExtent; - } - }; - return clipExtent.extent([ [ 0, 0 ], [ 960, 500 ] ]); - }; - function d3_geo_clipExtent(x0, y0, x1, y1) { - return function(listener) { - var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), clipLine = d3_geom_clipLine(x0, y0, x1, y1), segments, polygon, ring; - var clip = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - listener = bufferListener; - segments = []; - polygon = []; - clean = true; - }, - polygonEnd: function() { - listener = listener_; - segments = d3.merge(segments); - var clipStartInside = insidePolygon([ x0, y1 ]), inside = clean && clipStartInside, visible = segments.length; - if (inside || visible) { - listener.polygonStart(); - if (inside) { - listener.lineStart(); - interpolate(null, null, 1, listener); - listener.lineEnd(); - } - if (visible) { - d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener); - } - listener.polygonEnd(); - } - segments = polygon = ring = null; - } - }; - function insidePolygon(p) { - var wn = 0, n = polygon.length, y = p[1]; - for (var i = 0; i < n; ++i) { - for (var j = 1, v = polygon[i], m = v.length, a = v[0], b; j < m; ++j) { - b = v[j]; - if (a[1] <= y) { - if (b[1] > y && d3_cross2d(a, b, p) > 0) ++wn; - } else { - if (b[1] <= y && d3_cross2d(a, b, p) < 0) --wn; - } - a = b; - } - } - return wn !== 0; - } - function interpolate(from, to, direction, listener) { - var a = 0, a1 = 0; - if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoints(from, to) < 0 ^ direction > 0) { - do { - listener.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); - } while ((a = (a + direction + 4) % 4) !== a1); - } else { - listener.point(to[0], to[1]); - } - } - function pointVisible(x, y) { - return x0 <= x && x <= x1 && y0 <= y && y <= y1; - } - function point(x, y) { - if (pointVisible(x, y)) listener.point(x, y); - } - var x__, y__, v__, x_, y_, v_, first, clean; - function lineStart() { - clip.point = linePoint; - if (polygon) polygon.push(ring = []); - first = true; - v_ = false; - x_ = y_ = NaN; - } - function lineEnd() { - if (segments) { - linePoint(x__, y__); - if (v__ && v_) bufferListener.rejoin(); - segments.push(bufferListener.buffer()); - } - clip.point = point; - if (v_) listener.lineEnd(); - } - function linePoint(x, y) { - x = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, x)); - y = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, y)); - var v = pointVisible(x, y); - if (polygon) ring.push([ x, y ]); - if (first) { - x__ = x, y__ = y, v__ = v; - first = false; - if (v) { - listener.lineStart(); - listener.point(x, y); - } - } else { - if (v && v_) listener.point(x, y); else { - var l = { - a: { - x: x_, - y: y_ - }, - b: { - x: x, - y: y - } - }; - if (clipLine(l)) { - if (!v_) { - listener.lineStart(); - listener.point(l.a.x, l.a.y); - } - listener.point(l.b.x, l.b.y); - if (!v) listener.lineEnd(); - clean = false; - } else if (v) { - listener.lineStart(); - listener.point(x, y); - clean = false; - } - } - } - x_ = x, y_ = y, v_ = v; - } - return clip; - }; - function corner(p, direction) { - return abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2; - } - function compare(a, b) { - return comparePoints(a.x, b.x); - } - function comparePoints(a, b) { - var ca = corner(a, 1), cb = corner(b, 1); - return ca !== cb ? ca - cb : ca === 0 ? b[1] - a[1] : ca === 1 ? a[0] - b[0] : ca === 2 ? a[1] - b[1] : b[0] - a[0]; - } + + function radialLine$1() { + return radialLine(line().curve(curveRadialLinear)); } - function d3_geo_conic(projectAt) { - var φ0 = 0, φ1 = π / 3, m = d3_geo_projectionMutator(projectAt), p = m(φ0, φ1); - p.parallels = function(_) { - if (!arguments.length) return [ φ0 / π * 180, φ1 / π * 180 ]; - return m(φ0 = _[0] * π / 180, φ1 = _[1] * π / 180); + + function radialArea() { + var a = area$1().curve(curveRadialLinear), + c = a.curve, + x0 = a.lineX0, + x1 = a.lineX1, + y0 = a.lineY0, + y1 = a.lineY1; + + a.angle = a.x, delete a.x; + a.startAngle = a.x0, delete a.x0; + a.endAngle = a.x1, delete a.x1; + a.radius = a.y, delete a.y; + a.innerRadius = a.y0, delete a.y0; + a.outerRadius = a.y1, delete a.y1; + a.lineStartAngle = function() { return radialLine(x0()); }, delete a.lineX0; + a.lineEndAngle = function() { return radialLine(x1()); }, delete a.lineX1; + a.lineInnerRadius = function() { return radialLine(y0()); }, delete a.lineY0; + a.lineOuterRadius = function() { return radialLine(y1()); }, delete a.lineY1; + + a.curve = function(_) { + return arguments.length ? c(curveRadial(_)) : c()._curve; }; - return p; + + return a; } - function d3_geo_conicEqualArea(φ0, φ1) { - var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n; - function forward(λ, φ) { - var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n; - return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ]; + + var circle = { + draw: function(context, size) { + var r = Math.sqrt(size / pi$2); + context.moveTo(r, 0); + context.arc(0, 0, r, 0, tau$2); } - forward.invert = function(x, y) { - var ρ0_y = ρ0 - y; - return [ Math.atan2(x, ρ0_y) / n, d3_asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ]; - }; - return forward; - } - (d3.geo.conicEqualArea = function() { - return d3_geo_conic(d3_geo_conicEqualArea); - }).raw = d3_geo_conicEqualArea; - d3.geo.albers = function() { - return d3.geo.conicEqualArea().rotate([ 96, 0 ]).center([ -.6, 38.7 ]).parallels([ 29.5, 45.5 ]).scale(1070); }; - d3.geo.albersUsa = function() { - var lower48 = d3.geo.albers(); - var alaska = d3.geo.conicEqualArea().rotate([ 154, 0 ]).center([ -2, 58.5 ]).parallels([ 55, 65 ]); - var hawaii = d3.geo.conicEqualArea().rotate([ 157, 0 ]).center([ -3, 19.9 ]).parallels([ 8, 18 ]); - var point, pointStream = { - point: function(x, y) { - point = [ x, y ]; - } - }, lower48Point, alaskaPoint, hawaiiPoint; - function albersUsa(coordinates) { - var x = coordinates[0], y = coordinates[1]; - point = null; - (lower48Point(x, y), point) || (alaskaPoint(x, y), point) || hawaiiPoint(x, y); - return point; + + var cross$1 = { + draw: function(context, size) { + var r = Math.sqrt(size / 5) / 2; + context.moveTo(-3 * r, -r); + context.lineTo(-r, -r); + context.lineTo(-r, -3 * r); + context.lineTo(r, -3 * r); + context.lineTo(r, -r); + context.lineTo(3 * r, -r); + context.lineTo(3 * r, r); + context.lineTo(r, r); + context.lineTo(r, 3 * r); + context.lineTo(-r, 3 * r); + context.lineTo(-r, r); + context.lineTo(-3 * r, r); + context.closePath(); } - albersUsa.invert = function(coordinates) { - var k = lower48.scale(), t = lower48.translate(), x = (coordinates[0] - t[0]) / k, y = (coordinates[1] - t[1]) / k; - return (y >= .12 && y < .234 && x >= -.425 && x < -.214 ? alaska : y >= .166 && y < .234 && x >= -.214 && x < -.115 ? hawaii : lower48).invert(coordinates); - }; - albersUsa.stream = function(stream) { - var lower48Stream = lower48.stream(stream), alaskaStream = alaska.stream(stream), hawaiiStream = hawaii.stream(stream); - return { - point: function(x, y) { - lower48Stream.point(x, y); - alaskaStream.point(x, y); - hawaiiStream.point(x, y); - }, - sphere: function() { - lower48Stream.sphere(); - alaskaStream.sphere(); - hawaiiStream.sphere(); - }, - lineStart: function() { - lower48Stream.lineStart(); - alaskaStream.lineStart(); - hawaiiStream.lineStart(); - }, - lineEnd: function() { - lower48Stream.lineEnd(); - alaskaStream.lineEnd(); - hawaiiStream.lineEnd(); - }, - polygonStart: function() { - lower48Stream.polygonStart(); - alaskaStream.polygonStart(); - hawaiiStream.polygonStart(); - }, - polygonEnd: function() { - lower48Stream.polygonEnd(); - alaskaStream.polygonEnd(); - hawaiiStream.polygonEnd(); - } - }; - }; - albersUsa.precision = function(_) { - if (!arguments.length) return lower48.precision(); - lower48.precision(_); - alaska.precision(_); - hawaii.precision(_); - return albersUsa; - }; - albersUsa.scale = function(_) { - if (!arguments.length) return lower48.scale(); - lower48.scale(_); - alaska.scale(_ * .35); - hawaii.scale(_); - return albersUsa.translate(lower48.translate()); - }; - albersUsa.translate = function(_) { - if (!arguments.length) return lower48.translate(); - var k = lower48.scale(), x = +_[0], y = +_[1]; - lower48Point = lower48.translate(_).clipExtent([ [ x - .455 * k, y - .238 * k ], [ x + .455 * k, y + .238 * k ] ]).stream(pointStream).point; - alaskaPoint = alaska.translate([ x - .307 * k, y + .201 * k ]).clipExtent([ [ x - .425 * k + ε, y + .12 * k + ε ], [ x - .214 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point; - hawaiiPoint = hawaii.translate([ x - .205 * k, y + .212 * k ]).clipExtent([ [ x - .214 * k + ε, y + .166 * k + ε ], [ x - .115 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point; - return albersUsa; - }; - return albersUsa.scale(1070); }; - var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = { - point: d3_noop, - lineStart: d3_noop, - lineEnd: d3_noop, - polygonStart: function() { - d3_geo_pathAreaPolygon = 0; - d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart; - }, - polygonEnd: function() { - d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop; - d3_geo_pathAreaSum += abs(d3_geo_pathAreaPolygon / 2); + + var tan30 = Math.sqrt(1 / 3); + var tan30_2 = tan30 * 2; + var diamond = { + draw: function(context, size) { + var y = Math.sqrt(size / tan30_2), + x = y * tan30; + context.moveTo(0, -y); + context.lineTo(x, 0); + context.lineTo(0, y); + context.lineTo(-x, 0); + context.closePath(); } }; - function d3_geo_pathAreaRingStart() { - var x00, y00, x0, y0; - d3_geo_pathArea.point = function(x, y) { - d3_geo_pathArea.point = nextPoint; - x00 = x0 = x, y00 = y0 = y; - }; - function nextPoint(x, y) { - d3_geo_pathAreaPolygon += y0 * x - x0 * y; - x0 = x, y0 = y; - } - d3_geo_pathArea.lineEnd = function() { - nextPoint(x00, y00); - }; - } - var d3_geo_pathBoundsX0, d3_geo_pathBoundsY0, d3_geo_pathBoundsX1, d3_geo_pathBoundsY1; - var d3_geo_pathBounds = { - point: d3_geo_pathBoundsPoint, - lineStart: d3_noop, - lineEnd: d3_noop, - polygonStart: d3_noop, - polygonEnd: d3_noop - }; - function d3_geo_pathBoundsPoint(x, y) { - if (x < d3_geo_pathBoundsX0) d3_geo_pathBoundsX0 = x; - if (x > d3_geo_pathBoundsX1) d3_geo_pathBoundsX1 = x; - if (y < d3_geo_pathBoundsY0) d3_geo_pathBoundsY0 = y; - if (y > d3_geo_pathBoundsY1) d3_geo_pathBoundsY1 = y; - } - function d3_geo_pathBuffer() { - var pointCircle = d3_geo_pathBufferCircle(4.5), buffer = []; - var stream = { - point: point, - lineStart: function() { - stream.point = pointLineStart; - }, - lineEnd: lineEnd, - polygonStart: function() { - stream.lineEnd = lineEndPolygon; - }, - polygonEnd: function() { - stream.lineEnd = lineEnd; - stream.point = point; - }, - pointRadius: function(_) { - pointCircle = d3_geo_pathBufferCircle(_); - return stream; - }, - result: function() { - if (buffer.length) { - var result = buffer.join(""); - buffer = []; - return result; - } + + var ka = 0.89081309152928522810; + var kr = Math.sin(pi$2 / 10) / Math.sin(7 * pi$2 / 10); + var kx = Math.sin(tau$2 / 10) * kr; + var ky = -Math.cos(tau$2 / 10) * kr; + var star = { + draw: function(context, size) { + var r = Math.sqrt(size * ka), + x = kx * r, + y = ky * r; + context.moveTo(0, -r); + context.lineTo(x, y); + for (var i = 1; i < 5; ++i) { + var a = tau$2 * i / 5, + c = Math.cos(a), + s = Math.sin(a); + context.lineTo(s * r, -c * r); + context.lineTo(c * x - s * y, s * x + c * y); } - }; - function point(x, y) { - buffer.push("M", x, ",", y, pointCircle); + context.closePath(); } - function pointLineStart(x, y) { - buffer.push("M", x, ",", y); - stream.point = pointLine; + }; + + var square = { + draw: function(context, size) { + var w = Math.sqrt(size), + x = -w / 2; + context.rect(x, x, w, w); } - function pointLine(x, y) { - buffer.push("L", x, ",", y); + }; + + var sqrt3 = Math.sqrt(3); + + var triangle = { + draw: function(context, size) { + var y = -Math.sqrt(size / (sqrt3 * 3)); + context.moveTo(0, y * 2); + context.lineTo(-sqrt3 * y, -y); + context.lineTo(sqrt3 * y, -y); + context.closePath(); } - function lineEnd() { - stream.point = point; + }; + + var c = -0.5; + var s = Math.sqrt(3) / 2; + var k = 1 / Math.sqrt(12); + var a = (k / 2 + 1) * 3; + var wye = { + draw: function(context, size) { + var r = Math.sqrt(size / a), + x0 = r / 2, + y0 = r * k, + x1 = x0, + y1 = r * k + r, + x2 = -x1, + y2 = y1; + context.moveTo(x0, y0); + context.lineTo(x1, y1); + context.lineTo(x2, y2); + context.lineTo(c * x0 - s * y0, s * x0 + c * y0); + context.lineTo(c * x1 - s * y1, s * x1 + c * y1); + context.lineTo(c * x2 - s * y2, s * x2 + c * y2); + context.lineTo(c * x0 + s * y0, c * y0 - s * x0); + context.lineTo(c * x1 + s * y1, c * y1 - s * x1); + context.lineTo(c * x2 + s * y2, c * y2 - s * x2); + context.closePath(); } - function lineEndPolygon() { - buffer.push("Z"); + }; + + var symbols = [ + circle, + cross$1, + diamond, + square, + star, + triangle, + wye + ]; + + function symbol() { + var type = constant$1(circle), + size = constant$1(64), + context = null; + + function symbol() { + var buffer; + if (!context) context = buffer = path(); + type.apply(this, arguments).draw(context, +size.apply(this, arguments)); + if (buffer) return context = null, buffer + "" || null; } - return stream; + + symbol.type = function(_) { + return arguments.length ? (type = typeof _ === "function" ? _ : constant$1(_), symbol) : type; + }; + + symbol.size = function(_) { + return arguments.length ? (size = typeof _ === "function" ? _ : constant$1(+_), symbol) : size; + }; + + symbol.context = function(_) { + return arguments.length ? (context = _ == null ? null : _, symbol) : context; + }; + + return symbol; } - function d3_geo_pathBufferCircle(radius) { - return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + "z"; + + function noop() {} + + function point(that, x, y) { + that._context.bezierCurveTo( + (2 * that._x0 + that._x1) / 3, + (2 * that._y0 + that._y1) / 3, + (that._x0 + 2 * that._x1) / 3, + (that._y0 + 2 * that._y1) / 3, + (that._x0 + 4 * that._x1 + x) / 6, + (that._y0 + 4 * that._y1 + y) / 6 + ); } - var d3_geo_pathCentroid = { - point: d3_geo_pathCentroidPoint, - lineStart: d3_geo_pathCentroidLineStart, - lineEnd: d3_geo_pathCentroidLineEnd, - polygonStart: function() { - d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart; + + function Basis(context) { + this._context = context; + } + + Basis.prototype = { + areaStart: function() { + this._line = 0; }, - polygonEnd: function() { - d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint; - d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart; - d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd; + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 3: point(this, this._x1, this._y1); // proceed + case 2: this._context.lineTo(this._x1, this._y1); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed + default: point(this, x, y); break; + } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; } }; - function d3_geo_pathCentroidPoint(x, y) { - d3_geo_centroidX0 += x; - d3_geo_centroidY0 += y; - ++d3_geo_centroidZ0; - } - function d3_geo_pathCentroidLineStart() { - var x0, y0; - d3_geo_pathCentroid.point = function(x, y) { - d3_geo_pathCentroid.point = nextPoint; - d3_geo_pathCentroidPoint(x0 = x, y0 = y); - }; - function nextPoint(x, y) { - var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy); - d3_geo_centroidX1 += z * (x0 + x) / 2; - d3_geo_centroidY1 += z * (y0 + y) / 2; - d3_geo_centroidZ1 += z; - d3_geo_pathCentroidPoint(x0 = x, y0 = y); - } - } - function d3_geo_pathCentroidLineEnd() { - d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint; - } - function d3_geo_pathCentroidRingStart() { - var x00, y00, x0, y0; - d3_geo_pathCentroid.point = function(x, y) { - d3_geo_pathCentroid.point = nextPoint; - d3_geo_pathCentroidPoint(x00 = x0 = x, y00 = y0 = y); - }; - function nextPoint(x, y) { - var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy); - d3_geo_centroidX1 += z * (x0 + x) / 2; - d3_geo_centroidY1 += z * (y0 + y) / 2; - d3_geo_centroidZ1 += z; - z = y0 * x - x0 * y; - d3_geo_centroidX2 += z * (x0 + x); - d3_geo_centroidY2 += z * (y0 + y); - d3_geo_centroidZ2 += z * 3; - d3_geo_pathCentroidPoint(x0 = x, y0 = y); - } - d3_geo_pathCentroid.lineEnd = function() { - nextPoint(x00, y00); - }; - } - function d3_geo_pathContext(context) { - var pointRadius = 4.5; - var stream = { - point: point, - lineStart: function() { - stream.point = pointLineStart; - }, - lineEnd: lineEnd, - polygonStart: function() { - stream.lineEnd = lineEndPolygon; - }, - polygonEnd: function() { - stream.lineEnd = lineEnd; - stream.point = point; - }, - pointRadius: function(_) { - pointRadius = _; - return stream; - }, - result: d3_noop - }; - function point(x, y) { - context.moveTo(x + pointRadius, y); - context.arc(x, y, pointRadius, 0, τ); - } - function pointLineStart(x, y) { - context.moveTo(x, y); - stream.point = pointLine; - } - function pointLine(x, y) { - context.lineTo(x, y); - } - function lineEnd() { - stream.point = point; - } - function lineEndPolygon() { - context.closePath(); - } - return stream; + + function basis(context) { + return new Basis(context); } - function d3_geo_resample(project) { - var δ2 = .5, cosMinDistance = Math.cos(30 * d3_radians), maxDepth = 16; - function resample(stream) { - return (maxDepth ? resampleRecursive : resampleNone)(stream); - } - function resampleNone(stream) { - return d3_geo_transformPoint(stream, function(x, y) { - x = project(x, y); - stream.point(x[0], x[1]); - }); - } - function resampleRecursive(stream) { - var λ00, φ00, x00, y00, a00, b00, c00, λ0, x0, y0, a0, b0, c0; - var resample = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - stream.polygonStart(); - resample.lineStart = ringStart; - }, - polygonEnd: function() { - stream.polygonEnd(); - resample.lineStart = lineStart; + + function BasisClosed(context) { + this._context = context; + } + + BasisClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x2, this._y2); + this._context.closePath(); + break; + } + case 2: { + this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3); + this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x2, this._y2); + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + break; } - }; - function point(x, y) { - x = project(x, y); - stream.point(x[0], x[1]); - } - function lineStart() { - x0 = NaN; - resample.point = linePoint; - stream.lineStart(); } - function linePoint(λ, φ) { - var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ); - resampleLineTo(x0, y0, λ0, a0, b0, c0, x0 = p[0], y0 = p[1], λ0 = λ, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); - stream.point(x0, y0); + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._x2 = x, this._y2 = y; break; + case 1: this._point = 2; this._x3 = x, this._y3 = y; break; + case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break; + default: point(this, x, y); break; } - function lineEnd() { - resample.point = point; - stream.lineEnd(); + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + } + }; + + function basisClosed(context) { + return new BasisClosed(context); + } + + function BasisOpen(context) { + this._context = context; + } + + BasisOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = NaN; + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; + case 3: this._point = 4; // proceed + default: point(this, x, y); break; } - function ringStart() { - lineStart(); - resample.point = ringPoint; - resample.lineEnd = ringEnd; + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + } + }; + + function basisOpen(context) { + return new BasisOpen(context); + } + + function Bundle(context, beta) { + this._basis = new Basis(context); + this._beta = beta; + } + + Bundle.prototype = { + lineStart: function() { + this._x = []; + this._y = []; + this._basis.lineStart(); + }, + lineEnd: function() { + var x = this._x, + y = this._y, + j = x.length - 1; + + if (j > 0) { + var x0 = x[0], + y0 = y[0], + dx = x[j] - x0, + dy = y[j] - y0, + i = -1, + t; + + while (++i <= j) { + t = i / j; + this._basis.point( + this._beta * x[i] + (1 - this._beta) * (x0 + t * dx), + this._beta * y[i] + (1 - this._beta) * (y0 + t * dy) + ); + } } - function ringPoint(λ, φ) { - linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; - resample.point = linePoint; + + this._x = this._y = null; + this._basis.lineEnd(); + }, + point: function(x, y) { + this._x.push(+x); + this._y.push(+y); + } + }; + + var bundle = (function custom(beta) { + + function bundle(context) { + return beta === 1 ? new Basis(context) : new Bundle(context, beta); + } + + bundle.beta = function(beta) { + return custom(+beta); + }; + + return bundle; + })(0.85); + + function point$1(that, x, y) { + that._context.bezierCurveTo( + that._x1 + that._k * (that._x2 - that._x0), + that._y1 + that._k * (that._y2 - that._y0), + that._x2 + that._k * (that._x1 - x), + that._y2 + that._k * (that._y1 - y), + that._x2, + that._y2 + ); + } + + function Cardinal(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; + } + + Cardinal.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x2, this._y2); break; + case 3: point$1(this, this._x1, this._y1); break; } - function ringEnd() { - resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream); - resample.lineEnd = lineEnd; - lineEnd(); + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; this._x1 = x, this._y1 = y; break; + case 2: this._point = 3; // proceed + default: point$1(this, x, y); break; } - return resample; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } - function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) { - var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy; - if (d2 > 4 * δ2 && depth--) { - var a = a0 + a1, b = b0 + b1, c = c0 + c1, m = Math.sqrt(a * a + b * b + c * c), φ2 = Math.asin(c /= m), λ2 = abs(abs(c) - 1) < ε || abs(λ0 - λ1) < ε ? (λ0 + λ1) / 2 : Math.atan2(b, a), p = project(λ2, φ2), x2 = p[0], y2 = p[1], dx2 = x2 - x0, dy2 = y2 - y0, dz = dy * dx2 - dx * dy2; - if (dz * dz / d2 > δ2 || abs((dx * dx2 + dy * dy2) / d2 - .5) > .3 || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { - resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream); - stream.point(x2, y2); - resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream); + }; + + var cardinal = (function custom(tension) { + + function cardinal(context) { + return new Cardinal(context, tension); + } + + cardinal.tension = function(tension) { + return custom(+tension); + }; + + return cardinal; + })(0); + + function CardinalClosed(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; + } + + CardinalClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 2: { + this._context.lineTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + this.point(this._x5, this._y5); + break; } } + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._x3 = x, this._y3 = y; break; + case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; + case 2: this._point = 3; this._x5 = x, this._y5 = y; break; + default: point$1(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } + }; + + var cardinalClosed = (function custom(tension) { + + function cardinal(context) { + return new CardinalClosed(context, tension); } - resample.precision = function(_) { - if (!arguments.length) return Math.sqrt(δ2); - maxDepth = (δ2 = _ * _) > 0 && 16; - return resample; + + cardinal.tension = function(tension) { + return custom(+tension); }; - return resample; + + return cardinal; + })(0); + + function CardinalOpen(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; } - d3.geo.path = function() { - var pointRadius = 4.5, projection, context, projectStream, contextStream, cacheStream; - function path(object) { - if (object) { - if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); - if (!cacheStream || !cacheStream.valid) cacheStream = projectStream(contextStream); - d3.geo.stream(object, cacheStream); + + CardinalOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 3: this._point = 4; // proceed + default: point$1(this, x, y); break; } - return contextStream.result(); + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } - path.area = function(object) { - d3_geo_pathAreaSum = 0; - d3.geo.stream(object, projectStream(d3_geo_pathArea)); - return d3_geo_pathAreaSum; - }; - path.centroid = function(object) { - d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0; - d3.geo.stream(object, projectStream(d3_geo_pathCentroid)); - return d3_geo_centroidZ2 ? [ d3_geo_centroidX2 / d3_geo_centroidZ2, d3_geo_centroidY2 / d3_geo_centroidZ2 ] : d3_geo_centroidZ1 ? [ d3_geo_centroidX1 / d3_geo_centroidZ1, d3_geo_centroidY1 / d3_geo_centroidZ1 ] : d3_geo_centroidZ0 ? [ d3_geo_centroidX0 / d3_geo_centroidZ0, d3_geo_centroidY0 / d3_geo_centroidZ0 ] : [ NaN, NaN ]; - }; - path.bounds = function(object) { - d3_geo_pathBoundsX1 = d3_geo_pathBoundsY1 = -(d3_geo_pathBoundsX0 = d3_geo_pathBoundsY0 = Infinity); - d3.geo.stream(object, projectStream(d3_geo_pathBounds)); - return [ [ d3_geo_pathBoundsX0, d3_geo_pathBoundsY0 ], [ d3_geo_pathBoundsX1, d3_geo_pathBoundsY1 ] ]; - }; - path.projection = function(_) { - if (!arguments.length) return projection; - projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity; - return reset(); - }; - path.context = function(_) { - if (!arguments.length) return context; - contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_); - if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); - return reset(); - }; - path.pointRadius = function(_) { - if (!arguments.length) return pointRadius; - pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); - return path; + }; + + var cardinalOpen = (function custom(tension) { + + function cardinal(context) { + return new CardinalOpen(context, tension); + } + + cardinal.tension = function(tension) { + return custom(+tension); }; - function reset() { - cacheStream = null; - return path; + + return cardinal; + })(0); + + function point$2(that, x, y) { + var x1 = that._x1, + y1 = that._y1, + x2 = that._x2, + y2 = that._y2; + + if (that._l01_a > epsilon$1) { + var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a, + n = 3 * that._l01_a * (that._l01_a + that._l12_a); + x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n; + y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n; + } + + if (that._l23_a > epsilon$1) { + var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a, + m = 3 * that._l23_a * (that._l23_a + that._l12_a); + x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m; + y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m; + } + + that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2); + } + + function CatmullRom(context, alpha) { + this._context = context; + this._alpha = alpha; + } + + CatmullRom.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x2, this._y2); break; + case 3: this.point(this, this._x2, this._y2); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } + + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; // proceed + default: point$2(this, x, y); break; + } + + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } - return path.projection(d3.geo.albersUsa()).context(null); }; - function d3_geo_pathProjectStream(project) { - var resample = d3_geo_resample(function(x, y) { - return project([ x * d3_degrees, y * d3_degrees ]); - }); - return function(stream) { - return d3_geo_projectionRadians(resample(stream)); + + var catmullRom = (function custom(alpha) { + + function catmullRom(context) { + return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); + } + + catmullRom.alpha = function(alpha) { + return custom(+alpha); }; + + return catmullRom; + })(0.5); + + function CatmullRomClosed(context, alpha) { + this._context = context; + this._alpha = alpha; } - d3.geo.transform = function(methods) { - return { - stream: function(stream) { - var transform = new d3_geo_transform(stream); - for (var k in methods) transform[k] = methods[k]; - return transform; + + CatmullRomClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 2: { + this._context.lineTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + this.point(this._x5, this._y5); + break; + } } - }; + }, + point: function(x, y) { + x = +x, y = +y; + + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } + + switch (this._point) { + case 0: this._point = 1; this._x3 = x, this._y3 = y; break; + case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; + case 2: this._point = 3; this._x5 = x, this._y5 = y; break; + default: point$2(this, x, y); break; + } + + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } }; - function d3_geo_transform(stream) { - this.stream = stream; + + var catmullRomClosed = (function custom(alpha) { + + function catmullRom(context) { + return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); + } + + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; + + return catmullRom; + })(0.5); + + function CatmullRomOpen(context, alpha) { + this._context = context; + this._alpha = alpha; } - d3_geo_transform.prototype = { - point: function(x, y) { - this.stream.point(x, y); + + CatmullRomOpen.prototype = { + areaStart: function() { + this._line = 0; }, - sphere: function() { - this.stream.sphere(); + areaEnd: function() { + this._line = NaN; }, lineStart: function() { - this.stream.lineStart(); + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; }, lineEnd: function() { - this.stream.lineEnd(); + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } + + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 3: this._point = 4; // proceed + default: point$2(this, x, y); break; + } + + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } + }; + + var catmullRomOpen = (function custom(alpha) { + + function catmullRom(context) { + return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); + } + + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; + + return catmullRom; + })(0.5); + + function LinearClosed(context) { + this._context = context; + } + + LinearClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._point) this._context.closePath(); + }, + point: function(x, y) { + x = +x, y = +y; + if (this._point) this._context.lineTo(x, y); + else this._point = 1, this._context.moveTo(x, y); + } + }; + + function linearClosed(context) { + return new LinearClosed(context); + } + + function sign(x) { + return x < 0 ? -1 : 1; + } + + // Calculate the slopes of the tangents (Hermite-type interpolation) based on + // the following paper: Steffen, M. 1990. A Simple Method for Monotonic + // Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO. + // NOV(II), P. 443, 1990. + function slope3(that, x2, y2) { + var h0 = that._x1 - that._x0, + h1 = x2 - that._x1, + s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0), + s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0), + p = (s0 * h1 + s1 * h0) / (h0 + h1); + return (sign(s0) + sign(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0; + } + + // Calculate a one-sided slope. + function slope2(that, t) { + var h = that._x1 - that._x0; + return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t; + } + + // According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations + // "you can express cubic Hermite interpolation in terms of cubic Bézier curves + // with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1". + function point$3(that, t0, t1) { + var x0 = that._x0, + y0 = that._y0, + x1 = that._x1, + y1 = that._y1, + dx = (x1 - x0) / 3; + that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1); + } + + function MonotoneX(context) { + this._context = context; + } + + MonotoneX.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = + this._t0 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x1, this._y1); break; + case 3: point$3(this, this._t0, slope2(this, this._t0)); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + var t1 = NaN; + + x = +x, y = +y; + if (x === this._x1 && y === this._y1) return; // Ignore coincident points. + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; point$3(this, slope2(this, t1 = slope3(this, x, y)), t1); break; + default: point$3(this, this._t0, t1 = slope3(this, x, y)); break; + } + + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + this._t0 = t1; + } + } + + function MonotoneY(context) { + this._context = new ReflectContext(context); + } + + (MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) { + MonotoneX.prototype.point.call(this, y, x); + }; + + function ReflectContext(context) { + this._context = context; + } + + ReflectContext.prototype = { + moveTo: function(x, y) { this._context.moveTo(y, x); }, + closePath: function() { this._context.closePath(); }, + lineTo: function(x, y) { this._context.lineTo(y, x); }, + bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); } + }; + + function monotoneX(context) { + return new MonotoneX(context); + } + + function monotoneY(context) { + return new MonotoneY(context); + } + + function Natural(context) { + this._context = context; + } + + Natural.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x = []; + this._y = []; + }, + lineEnd: function() { + var x = this._x, + y = this._y, + n = x.length; + + if (n) { + this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]); + if (n === 2) { + this._context.lineTo(x[1], y[1]); + } else { + var px = controlPoints(x), + py = controlPoints(y); + for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) { + this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]); + } + } + } + + if (this._line || (this._line !== 0 && n === 1)) this._context.closePath(); + this._line = 1 - this._line; + this._x = this._y = null; + }, + point: function(x, y) { + this._x.push(+x); + this._y.push(+y); + } + }; + + // See https://www.particleincell.com/2012/bezier-splines/ for derivation. + function controlPoints(x) { + var i, + n = x.length - 1, + m, + a = new Array(n), + b = new Array(n), + r = new Array(n); + a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1]; + for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1]; + a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n]; + for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1]; + a[n - 1] = r[n - 1] / b[n - 1]; + for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i]; + b[n - 1] = (x[n] + a[n - 1]) / 2; + for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1]; + return [a, b]; + } + + function natural(context) { + return new Natural(context); + } + + function Step(context, t) { + this._context = context; + this._t = t; + } + + Step.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x = this._y = NaN; + this._point = 0; + }, + lineEnd: function() { + if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y); + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; // proceed + default: { + if (this._t <= 0) { + this._context.lineTo(this._x, y); + this._context.lineTo(x, y); + } else { + var x1 = this._x * (1 - this._t) + x * this._t; + this._context.lineTo(x1, this._y); + this._context.lineTo(x1, y); + } + break; + } + } + this._x = x, this._y = y; + } + }; + + function step(context) { + return new Step(context, 0.5); + } + + function stepBefore(context) { + return new Step(context, 0); + } + + function stepAfter(context) { + return new Step(context, 1); + } + + var slice$2 = Array.prototype.slice; + + function none(series, order) { + if (!((n = series.length) > 1)) return; + for (var i = 1, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { + s0 = s1, s1 = series[order[i]]; + for (var j = 0; j < m; ++j) { + s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; + } + } + } + + function none$1(series) { + var n = series.length, o = new Array(n); + while (--n >= 0) o[n] = n; + return o; + } + + function stackValue(d, key) { + return d[key]; + } + + function stack() { + var keys = constant$1([]), + order = none$1, + offset = none, + value = stackValue; + + function stack(data) { + var kz = keys.apply(this, arguments), + i, + m = data.length, + n = kz.length, + sz = new Array(n), + oz; + + for (i = 0; i < n; ++i) { + for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) { + si[j] = sij = [0, +value(data[j], ki, j, data)]; + sij.data = data[j]; + } + si.key = ki; + } + + for (i = 0, oz = order(sz); i < n; ++i) { + sz[oz[i]].index = i; + } + + offset(sz, oz); + return sz; + } + + stack.keys = function(_) { + return arguments.length ? (keys = typeof _ === "function" ? _ : constant$1(slice$2.call(_)), stack) : keys; + }; + + stack.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant$1(+_), stack) : value; + }; + + stack.order = function(_) { + return arguments.length ? (order = _ == null ? none$1 : typeof _ === "function" ? _ : constant$1(slice$2.call(_)), stack) : order; + }; + + stack.offset = function(_) { + return arguments.length ? (offset = _ == null ? none : _, stack) : offset; + }; + + return stack; + } + + function expand(series, order) { + if (!((n = series.length) > 0)) return; + for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { + for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; + if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; + } + none(series, order); + } + + function silhouette(series, order) { + if (!((n = series.length) > 0)) return; + for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { + for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; + s0[j][1] += s0[j][0] = -y / 2; + } + none(series, order); + } + + function wiggle(series, order) { + if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; + for (var y = 0, j = 1, s0, m, n; j < m; ++j) { + for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { + var si = series[order[i]], + sij0 = si[j][1] || 0, + sij1 = si[j - 1][1] || 0, + s3 = (sij0 - sij1) / 2; + for (var k = 0; k < i; ++k) { + var sk = series[order[k]], + skj0 = sk[j][1] || 0, + skj1 = sk[j - 1][1] || 0; + s3 += skj0 - skj1; + } + s1 += sij0, s2 += s3 * sij0; + } + s0[j - 1][1] += s0[j - 1][0] = y; + if (s1) y -= s2 / s1; + } + s0[j - 1][1] += s0[j - 1][0] = y; + none(series, order); + } + + function ascending$1(series) { + var sums = series.map(sum$1); + return none$1(series).sort(function(a, b) { return sums[a] - sums[b]; }); + } + + function sum$1(series) { + var s = 0, i = -1, n = series.length, v; + while (++i < n) if (v = +series[i][1]) s += v; + return s; + } + + function descending$2(series) { + return ascending$1(series).reverse(); + } + + function insideOut(series) { + var n = series.length, + i, + j, + sums = series.map(sum$1), + order = none$1(series).sort(function(a, b) { return sums[b] - sums[a]; }), + top = 0, + bottom = 0, + tops = [], + bottoms = []; + + for (i = 0; i < n; ++i) { + j = order[i]; + if (top < bottom) { + top += sums[j]; + tops.push(j); + } else { + bottom += sums[j]; + bottoms.push(j); + } + } + + return bottoms.reverse().concat(tops); + } + + function reverse(series) { + return none$1(series).reverse(); + } + + function define(constructor, factory, prototype) { + constructor.prototype = factory.prototype = prototype; + prototype.constructor = constructor; + } + + function extend(parent, definition) { + var prototype = Object.create(parent.prototype); + for (var key in definition) prototype[key] = definition[key]; + return prototype; + } + + function Color() {} + + var darker = 0.7; + var brighter = 1 / darker; + + var reHex3 = /^#([0-9a-f]{3})$/; + var reHex6 = /^#([0-9a-f]{6})$/; + var reRgbInteger = /^rgb\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*\)$/; + var reRgbPercent = /^rgb\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/; + var reRgbaInteger = /^rgba\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; + var reRgbaPercent = /^rgba\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; + var reHslPercent = /^hsl\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/; + var reHslaPercent = /^hsla\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; + var named = { + aliceblue: 0xf0f8ff, + antiquewhite: 0xfaebd7, + aqua: 0x00ffff, + aquamarine: 0x7fffd4, + azure: 0xf0ffff, + beige: 0xf5f5dc, + bisque: 0xffe4c4, + black: 0x000000, + blanchedalmond: 0xffebcd, + blue: 0x0000ff, + blueviolet: 0x8a2be2, + brown: 0xa52a2a, + burlywood: 0xdeb887, + cadetblue: 0x5f9ea0, + chartreuse: 0x7fff00, + chocolate: 0xd2691e, + coral: 0xff7f50, + cornflowerblue: 0x6495ed, + cornsilk: 0xfff8dc, + crimson: 0xdc143c, + cyan: 0x00ffff, + darkblue: 0x00008b, + darkcyan: 0x008b8b, + darkgoldenrod: 0xb8860b, + darkgray: 0xa9a9a9, + darkgreen: 0x006400, + darkgrey: 0xa9a9a9, + darkkhaki: 0xbdb76b, + darkmagenta: 0x8b008b, + darkolivegreen: 0x556b2f, + darkorange: 0xff8c00, + darkorchid: 0x9932cc, + darkred: 0x8b0000, + darksalmon: 0xe9967a, + darkseagreen: 0x8fbc8f, + darkslateblue: 0x483d8b, + darkslategray: 0x2f4f4f, + darkslategrey: 0x2f4f4f, + darkturquoise: 0x00ced1, + darkviolet: 0x9400d3, + deeppink: 0xff1493, + deepskyblue: 0x00bfff, + dimgray: 0x696969, + dimgrey: 0x696969, + dodgerblue: 0x1e90ff, + firebrick: 0xb22222, + floralwhite: 0xfffaf0, + forestgreen: 0x228b22, + fuchsia: 0xff00ff, + gainsboro: 0xdcdcdc, + ghostwhite: 0xf8f8ff, + gold: 0xffd700, + goldenrod: 0xdaa520, + gray: 0x808080, + green: 0x008000, + greenyellow: 0xadff2f, + grey: 0x808080, + honeydew: 0xf0fff0, + hotpink: 0xff69b4, + indianred: 0xcd5c5c, + indigo: 0x4b0082, + ivory: 0xfffff0, + khaki: 0xf0e68c, + lavender: 0xe6e6fa, + lavenderblush: 0xfff0f5, + lawngreen: 0x7cfc00, + lemonchiffon: 0xfffacd, + lightblue: 0xadd8e6, + lightcoral: 0xf08080, + lightcyan: 0xe0ffff, + lightgoldenrodyellow: 0xfafad2, + lightgray: 0xd3d3d3, + lightgreen: 0x90ee90, + lightgrey: 0xd3d3d3, + lightpink: 0xffb6c1, + lightsalmon: 0xffa07a, + lightseagreen: 0x20b2aa, + lightskyblue: 0x87cefa, + lightslategray: 0x778899, + lightslategrey: 0x778899, + lightsteelblue: 0xb0c4de, + lightyellow: 0xffffe0, + lime: 0x00ff00, + limegreen: 0x32cd32, + linen: 0xfaf0e6, + magenta: 0xff00ff, + maroon: 0x800000, + mediumaquamarine: 0x66cdaa, + mediumblue: 0x0000cd, + mediumorchid: 0xba55d3, + mediumpurple: 0x9370db, + mediumseagreen: 0x3cb371, + mediumslateblue: 0x7b68ee, + mediumspringgreen: 0x00fa9a, + mediumturquoise: 0x48d1cc, + mediumvioletred: 0xc71585, + midnightblue: 0x191970, + mintcream: 0xf5fffa, + mistyrose: 0xffe4e1, + moccasin: 0xffe4b5, + navajowhite: 0xffdead, + navy: 0x000080, + oldlace: 0xfdf5e6, + olive: 0x808000, + olivedrab: 0x6b8e23, + orange: 0xffa500, + orangered: 0xff4500, + orchid: 0xda70d6, + palegoldenrod: 0xeee8aa, + palegreen: 0x98fb98, + paleturquoise: 0xafeeee, + palevioletred: 0xdb7093, + papayawhip: 0xffefd5, + peachpuff: 0xffdab9, + peru: 0xcd853f, + pink: 0xffc0cb, + plum: 0xdda0dd, + powderblue: 0xb0e0e6, + purple: 0x800080, + rebeccapurple: 0x663399, + red: 0xff0000, + rosybrown: 0xbc8f8f, + royalblue: 0x4169e1, + saddlebrown: 0x8b4513, + salmon: 0xfa8072, + sandybrown: 0xf4a460, + seagreen: 0x2e8b57, + seashell: 0xfff5ee, + sienna: 0xa0522d, + silver: 0xc0c0c0, + skyblue: 0x87ceeb, + slateblue: 0x6a5acd, + slategray: 0x708090, + slategrey: 0x708090, + snow: 0xfffafa, + springgreen: 0x00ff7f, + steelblue: 0x4682b4, + tan: 0xd2b48c, + teal: 0x008080, + thistle: 0xd8bfd8, + tomato: 0xff6347, + turquoise: 0x40e0d0, + violet: 0xee82ee, + wheat: 0xf5deb3, + white: 0xffffff, + whitesmoke: 0xf5f5f5, + yellow: 0xffff00, + yellowgreen: 0x9acd32 + }; + + define(Color, color, { + displayable: function() { + return this.rgb().displayable(); + }, + toString: function() { + return this.rgb() + ""; + } + }); + + function color(format) { + var m; + format = (format + "").trim().toLowerCase(); + return (m = reHex3.exec(format)) ? (m = parseInt(m[1], 16), new Rgb((m >> 8 & 0xf) | (m >> 4 & 0x0f0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1)) // #f00 + : (m = reHex6.exec(format)) ? rgbn(parseInt(m[1], 16)) // #ff0000 + : (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0) + : (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%) + : (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1) + : (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1) + : (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%) + : (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1) + : named.hasOwnProperty(format) ? rgbn(named[format]) + : format === "transparent" ? new Rgb(NaN, NaN, NaN, 0) + : null; + } + + function rgbn(n) { + return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1); + } + + function rgba(r, g, b, a) { + if (a <= 0) r = g = b = NaN; + return new Rgb(r, g, b, a); + } + + function rgbConvert(o) { + if (!(o instanceof Color)) o = color(o); + if (!o) return new Rgb; + o = o.rgb(); + return new Rgb(o.r, o.g, o.b, o.opacity); + } + + function colorRgb(r, g, b, opacity) { + return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity); + } + + function Rgb(r, g, b, opacity) { + this.r = +r; + this.g = +g; + this.b = +b; + this.opacity = +opacity; + } + + define(Rgb, colorRgb, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); + }, + rgb: function() { + return this; + }, + displayable: function() { + return (0 <= this.r && this.r <= 255) + && (0 <= this.g && this.g <= 255) + && (0 <= this.b && this.b <= 255) + && (0 <= this.opacity && this.opacity <= 1); + }, + toString: function() { + var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); + return (a === 1 ? "rgb(" : "rgba(") + + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " + + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " + + Math.max(0, Math.min(255, Math.round(this.b) || 0)) + + (a === 1 ? ")" : ", " + a + ")"); + } + })); + + function hsla(h, s, l, a) { + if (a <= 0) h = s = l = NaN; + else if (l <= 0 || l >= 1) h = s = NaN; + else if (s <= 0) h = NaN; + return new Hsl(h, s, l, a); + } + + function hslConvert(o) { + if (o instanceof Hsl) return new Hsl(o.h, o.s, o.l, o.opacity); + if (!(o instanceof Color)) o = color(o); + if (!o) return new Hsl; + if (o instanceof Hsl) return o; + o = o.rgb(); + var r = o.r / 255, + g = o.g / 255, + b = o.b / 255, + min = Math.min(r, g, b), + max = Math.max(r, g, b), + h = NaN, + s = max - min, + l = (max + min) / 2; + if (s) { + if (r === max) h = (g - b) / s + (g < b) * 6; + else if (g === max) h = (b - r) / s + 2; + else h = (r - g) / s + 4; + s /= l < 0.5 ? max + min : 2 - max - min; + h *= 60; + } else { + s = l > 0 && l < 1 ? 0 : h; + } + return new Hsl(h, s, l, o.opacity); + } + + function colorHsl(h, s, l, opacity) { + return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity); + } + + function Hsl(h, s, l, opacity) { + this.h = +h; + this.s = +s; + this.l = +l; + this.opacity = +opacity; + } + + define(Hsl, colorHsl, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Hsl(this.h, this.s, this.l * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Hsl(this.h, this.s, this.l * k, this.opacity); + }, + rgb: function() { + var h = this.h % 360 + (this.h < 0) * 360, + s = isNaN(h) || isNaN(this.s) ? 0 : this.s, + l = this.l, + m2 = l + (l < 0.5 ? l : 1 - l) * s, + m1 = 2 * l - m2; + return new Rgb( + hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2), + hsl2rgb(h, m1, m2), + hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2), + this.opacity + ); + }, + displayable: function() { + return (0 <= this.s && this.s <= 1 || isNaN(this.s)) + && (0 <= this.l && this.l <= 1) + && (0 <= this.opacity && this.opacity <= 1); + } + })); + + /* From FvD 13.37, CSS Color Module Level 3 */ + function hsl2rgb(h, m1, m2) { + return (h < 60 ? m1 + (m2 - m1) * h / 60 + : h < 180 ? m2 + : h < 240 ? m1 + (m2 - m1) * (240 - h) / 60 + : m1) * 255; + } + + var deg2rad = Math.PI / 180; + var rad2deg = 180 / Math.PI; + + var Kn = 18; + var Xn = 0.950470; + var Yn = 1; + var Zn = 1.088830; + var t0 = 4 / 29; + var t1 = 6 / 29; + var t2 = 3 * t1 * t1; + var t3 = t1 * t1 * t1; + function labConvert(o) { + if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); + if (o instanceof Hcl) { + var h = o.h * deg2rad; + return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); + } + if (!(o instanceof Rgb)) o = rgbConvert(o); + var b = rgb2xyz(o.r), + a = rgb2xyz(o.g), + l = rgb2xyz(o.b), + x = xyz2lab((0.4124564 * b + 0.3575761 * a + 0.1804375 * l) / Xn), + y = xyz2lab((0.2126729 * b + 0.7151522 * a + 0.0721750 * l) / Yn), + z = xyz2lab((0.0193339 * b + 0.1191920 * a + 0.9503041 * l) / Zn); + return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity); + } + + function lab(l, a, b, opacity) { + return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity); + } + + function Lab(l, a, b, opacity) { + this.l = +l; + this.a = +a; + this.b = +b; + this.opacity = +opacity; + } + + define(Lab, lab, extend(Color, { + brighter: function(k) { + return new Lab(this.l + Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); + }, + darker: function(k) { + return new Lab(this.l - Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); + }, + rgb: function() { + var y = (this.l + 16) / 116, + x = isNaN(this.a) ? y : y + this.a / 500, + z = isNaN(this.b) ? y : y - this.b / 200; + y = Yn * lab2xyz(y); + x = Xn * lab2xyz(x); + z = Zn * lab2xyz(z); + return new Rgb( + xyz2rgb( 3.2404542 * x - 1.5371385 * y - 0.4985314 * z), // D65 -> sRGB + xyz2rgb(-0.9692660 * x + 1.8760108 * y + 0.0415560 * z), + xyz2rgb( 0.0556434 * x - 0.2040259 * y + 1.0572252 * z), + this.opacity + ); + } + })); + + function xyz2lab(t) { + return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0; + } + + function lab2xyz(t) { + return t > t1 ? t * t * t : t2 * (t - t0); + } + + function xyz2rgb(x) { + return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055); + } + + function rgb2xyz(x) { + return (x /= 255) <= 0.04045 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4); + } + + function hclConvert(o) { + if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); + if (!(o instanceof Lab)) o = labConvert(o); + var h = Math.atan2(o.b, o.a) * rad2deg; + return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); + } + + function colorHcl(h, c, l, opacity) { + return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity); + } + + function Hcl(h, c, l, opacity) { + this.h = +h; + this.c = +c; + this.l = +l; + this.opacity = +opacity; + } + + define(Hcl, colorHcl, extend(Color, { + brighter: function(k) { + return new Hcl(this.h, this.c, this.l + Kn * (k == null ? 1 : k), this.opacity); + }, + darker: function(k) { + return new Hcl(this.h, this.c, this.l - Kn * (k == null ? 1 : k), this.opacity); + }, + rgb: function() { + return labConvert(this).rgb(); + } + })); + + var A = -0.14861; + var B = +1.78277; + var C = -0.29227; + var D = -0.90649; + var E = +1.97294; + var ED = E * D; + var EB = E * B; + var BC_DA = B * C - D * A; + function cubehelixConvert(o) { + if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity); + if (!(o instanceof Rgb)) o = rgbConvert(o); + var r = o.r / 255, + g = o.g / 255, + b = o.b / 255, + l = (BC_DA * b + ED * r - EB * g) / (BC_DA + ED - EB), + bl = b - l, + k = (E * (g - l) - C * bl) / D, + s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1 + h = s ? Math.atan2(k, bl) * rad2deg - 120 : NaN; + return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity); + } + + function cubehelix(h, s, l, opacity) { + return arguments.length === 1 ? cubehelixConvert(h) : new Cubehelix(h, s, l, opacity == null ? 1 : opacity); + } + + function Cubehelix(h, s, l, opacity) { + this.h = +h; + this.s = +s; + this.l = +l; + this.opacity = +opacity; + } + + define(Cubehelix, cubehelix, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Cubehelix(this.h, this.s, this.l * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Cubehelix(this.h, this.s, this.l * k, this.opacity); + }, + rgb: function() { + var h = isNaN(this.h) ? 0 : (this.h + 120) * deg2rad, + l = +this.l, + a = isNaN(this.s) ? 0 : this.s * l * (1 - l), + cosh = Math.cos(h), + sinh = Math.sin(h); + return new Rgb( + 255 * (l + a * (A * cosh + B * sinh)), + 255 * (l + a * (C * cosh + D * sinh)), + 255 * (l + a * (E * cosh)), + this.opacity + ); + } + })); + + function basis$1(t1, v0, v1, v2, v3) { + var t2 = t1 * t1, t3 = t2 * t1; + return ((1 - 3 * t1 + 3 * t2 - t3) * v0 + + (4 - 6 * t2 + 3 * t3) * v1 + + (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2 + + t3 * v3) / 6; + } + + function basis$2(values) { + var n = values.length - 1; + return function(t) { + var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n), + v1 = values[i], + v2 = values[i + 1], + v0 = i > 0 ? values[i - 1] : 2 * v1 - v2, + v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; + return basis$1((t - i / n) * n, v0, v1, v2, v3); + }; + } + + function basisClosed$1(values) { + var n = values.length; + return function(t) { + var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n), + v0 = values[(i + n - 1) % n], + v1 = values[i % n], + v2 = values[(i + 1) % n], + v3 = values[(i + 2) % n]; + return basis$1((t - i / n) * n, v0, v1, v2, v3); + }; + } + + function constant$2(x) { + return function() { + return x; + }; + } + + function linear$1(a, d) { + return function(t) { + return a + t * d; + }; + } + + function exponential$1(a, b, y) { + return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) { + return Math.pow(a + t * b, y); + }; + } + + function hue(a, b) { + var d = b - a; + return d ? linear$1(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$2(isNaN(a) ? b : a); + } + + function gamma(y) { + return (y = +y) === 1 ? nogamma : function(a, b) { + return b - a ? exponential$1(a, b, y) : constant$2(isNaN(a) ? b : a); + }; + } + + function nogamma(a, b) { + var d = b - a; + return d ? linear$1(a, d) : constant$2(isNaN(a) ? b : a); + } + + var interpolateRgb = (function rgbGamma(y) { + var color = gamma(y); + + function rgb(start, end) { + var r = color((start = colorRgb(start)).r, (end = colorRgb(end)).r), + g = color(start.g, end.g), + b = color(start.b, end.b), + opacity = color(start.opacity, end.opacity); + return function(t) { + start.r = r(t); + start.g = g(t); + start.b = b(t); + start.opacity = opacity(t); + return start + ""; + }; + } + + rgb.gamma = rgbGamma; + + return rgb; + })(1); + + function rgbSpline(spline) { + return function(colors) { + var n = colors.length, + r = new Array(n), + g = new Array(n), + b = new Array(n), + i, color; + for (i = 0; i < n; ++i) { + color = colorRgb(colors[i]); + r[i] = color.r || 0; + g[i] = color.g || 0; + b[i] = color.b || 0; + } + r = spline(r); + g = spline(g); + b = spline(b); + color.opacity = 1; + return function(t) { + color.r = r(t); + color.g = g(t); + color.b = b(t); + return color + ""; + }; + }; + } + + var rgbBasis = rgbSpline(basis$2); + var rgbBasisClosed = rgbSpline(basisClosed$1); + + function array$1(a, b) { + var nb = b ? b.length : 0, + na = a ? Math.min(nb, a.length) : 0, + x = new Array(nb), + c = new Array(nb), + i; + + for (i = 0; i < na; ++i) x[i] = interpolate(a[i], b[i]); + for (; i < nb; ++i) c[i] = b[i]; + + return function(t) { + for (i = 0; i < na; ++i) c[i] = x[i](t); + return c; + }; + } + + function date(a, b) { + var d = new Date; + return a = +a, b -= a, function(t) { + return d.setTime(a + b * t), d; + }; + } + + function interpolateNumber(a, b) { + return a = +a, b -= a, function(t) { + return a + b * t; + }; + } + + function object(a, b) { + var i = {}, + c = {}, + k; + + if (a === null || typeof a !== "object") a = {}; + if (b === null || typeof b !== "object") b = {}; + + for (k in b) { + if (k in a) { + i[k] = interpolate(a[k], b[k]); + } else { + c[k] = b[k]; + } + } + + return function(t) { + for (k in i) c[k] = i[k](t); + return c; + }; + } + + var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; + var reB = new RegExp(reA.source, "g"); + function zero(b) { + return function() { + return b; + }; + } + + function one(b) { + return function(t) { + return b(t) + ""; + }; + } + + function interpolateString(a, b) { + var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b + am, // current match in a + bm, // current match in b + bs, // string preceding current number in b, if any + i = -1, // index in s + s = [], // string constants and placeholders + q = []; // number interpolators + + // Coerce inputs to strings. + a = a + "", b = b + ""; + + // Interpolate pairs of numbers in a & b. + while ((am = reA.exec(a)) + && (bm = reB.exec(b))) { + if ((bs = bm.index) > bi) { // a string precedes the next number in b + bs = b.slice(bi, bs); + if (s[i]) s[i] += bs; // coalesce with previous string + else s[++i] = bs; + } + if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match + if (s[i]) s[i] += bm; // coalesce with previous string + else s[++i] = bm; + } else { // interpolate non-matching numbers + s[++i] = null; + q.push({i: i, x: interpolateNumber(am, bm)}); + } + bi = reB.lastIndex; + } + + // Add remains of b. + if (bi < b.length) { + bs = b.slice(bi); + if (s[i]) s[i] += bs; // coalesce with previous string + else s[++i] = bs; + } + + // Special optimization for only a single match. + // Otherwise, interpolate each of the numbers and rejoin the string. + return s.length < 2 ? (q[0] + ? one(q[0].x) + : zero(b)) + : (b = q.length, function(t) { + for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); + return s.join(""); + }); + } + + function interpolate(a, b) { + var t = typeof b, c; + return b == null || t === "boolean" ? constant$2(b) + : (t === "number" ? interpolateNumber + : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) + : b instanceof color ? interpolateRgb + : b instanceof Date ? date + : Array.isArray(b) ? array$1 + : isNaN(b) ? object + : interpolateNumber)(a, b); + } + + function interpolateRound(a, b) { + return a = +a, b -= a, function(t) { + return Math.round(a + b * t); + }; + } + + var degrees = 180 / Math.PI; + + var identity$2 = { + translateX: 0, + translateY: 0, + rotate: 0, + skewX: 0, + scaleX: 1, + scaleY: 1 + }; + + function decompose(a, b, c, d, e, f) { + var scaleX, scaleY, skewX; + if (scaleX = Math.sqrt(a * a + b * b)) a /= scaleX, b /= scaleX; + if (skewX = a * c + b * d) c -= a * skewX, d -= b * skewX; + if (scaleY = Math.sqrt(c * c + d * d)) c /= scaleY, d /= scaleY, skewX /= scaleY; + if (a * d < b * c) a = -a, b = -b, skewX = -skewX, scaleX = -scaleX; + return { + translateX: e, + translateY: f, + rotate: Math.atan2(b, a) * degrees, + skewX: Math.atan(skewX) * degrees, + scaleX: scaleX, + scaleY: scaleY + }; + } + + var cssNode; + var cssRoot; + var cssView; + var svgNode; + function parseCss(value) { + if (value === "none") return identity$2; + if (!cssNode) cssNode = document.createElement("DIV"), cssRoot = document.documentElement, cssView = document.defaultView; + cssNode.style.transform = value; + value = cssView.getComputedStyle(cssRoot.appendChild(cssNode), null).getPropertyValue("transform"); + cssRoot.removeChild(cssNode); + value = value.slice(7, -1).split(","); + return decompose(+value[0], +value[1], +value[2], +value[3], +value[4], +value[5]); + } + + function parseSvg(value) { + if (value == null) return identity$2; + if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g"); + svgNode.setAttribute("transform", value); + if (!(value = svgNode.transform.baseVal.consolidate())) return identity$2; + value = value.matrix; + return decompose(value.a, value.b, value.c, value.d, value.e, value.f); + } + + function interpolateTransform(parse, pxComma, pxParen, degParen) { + + function pop(s) { + return s.length ? s.pop() + " " : ""; + } + + function translate(xa, ya, xb, yb, s, q) { + if (xa !== xb || ya !== yb) { + var i = s.push("translate(", null, pxComma, null, pxParen); + q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); + } else if (xb || yb) { + s.push("translate(" + xb + pxComma + yb + pxParen); + } + } + + function rotate(a, b, s, q) { + if (a !== b) { + if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path + q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: interpolateNumber(a, b)}); + } else if (b) { + s.push(pop(s) + "rotate(" + b + degParen); + } + } + + function skewX(a, b, s, q) { + if (a !== b) { + q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: interpolateNumber(a, b)}); + } else if (b) { + s.push(pop(s) + "skewX(" + b + degParen); + } + } + + function scale(xa, ya, xb, yb, s, q) { + if (xa !== xb || ya !== yb) { + var i = s.push(pop(s) + "scale(", null, ",", null, ")"); + q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); + } else if (xb !== 1 || yb !== 1) { + s.push(pop(s) + "scale(" + xb + "," + yb + ")"); + } + } + + return function(a, b) { + var s = [], // string constants and placeholders + q = []; // number interpolators + a = parse(a), b = parse(b); + translate(a.translateX, a.translateY, b.translateX, b.translateY, s, q); + rotate(a.rotate, b.rotate, s, q); + skewX(a.skewX, b.skewX, s, q); + scale(a.scaleX, a.scaleY, b.scaleX, b.scaleY, s, q); + a = b = null; // gc + return function(t) { + var i = -1, n = q.length, o; + while (++i < n) s[(o = q[i]).i] = o.x(t); + return s.join(""); + }; + }; + } + + var interpolateTransform$1 = interpolateTransform(parseCss, "px, ", "px)", "deg)"); + var interpolateTransform$2 = interpolateTransform(parseSvg, ", ", ")", ")"); + + var rho = Math.SQRT2; + var rho2 = 2; + var rho4 = 4; + var epsilon2 = 1e-12; + function cosh(x) { + return ((x = Math.exp(x)) + 1 / x) / 2; + } + + function sinh(x) { + return ((x = Math.exp(x)) - 1 / x) / 2; + } + + function tanh(x) { + return ((x = Math.exp(2 * x)) - 1) / (x + 1); + } + + // p0 = [ux0, uy0, w0] + // p1 = [ux1, uy1, w1] + function interpolateZoom(p0, p1) { + var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], + ux1 = p1[0], uy1 = p1[1], w1 = p1[2], + dx = ux1 - ux0, + dy = uy1 - uy0, + d2 = dx * dx + dy * dy, + i, + S; + + // Special case for u0 ≅ u1. + if (d2 < epsilon2) { + S = Math.log(w1 / w0) / rho; + i = function(t) { + return [ + ux0 + t * dx, + uy0 + t * dy, + w0 * Math.exp(rho * t * S) + ]; + } + } + + // General case. + else { + var d1 = Math.sqrt(d2), + b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), + b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), + r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), + r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); + S = (r1 - r0) / rho; + i = function(t) { + var s = t * S, + coshr0 = cosh(r0), + u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0)); + return [ + ux0 + u * dx, + uy0 + u * dy, + w0 * coshr0 / cosh(rho * s + r0) + ]; + } + } + + i.duration = S * 1000; + + return i; + } + + function hsl(hue) { + return function(start, end) { + var h = hue((start = colorHsl(start)).h, (end = colorHsl(end)).h), + s = nogamma(start.s, end.s), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.s = s(t); + start.l = l(t); + start.opacity = opacity(t); + return start + ""; + }; + } + } + + var hsl$1 = hsl(hue); + var hslLong = hsl(nogamma); + + function lab$1(start, end) { + var l = nogamma((start = lab(start)).l, (end = lab(end)).l), + a = nogamma(start.a, end.a), + b = nogamma(start.b, end.b), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.l = l(t); + start.a = a(t); + start.b = b(t); + start.opacity = opacity(t); + return start + ""; + }; + } + + function hcl(hue) { + return function(start, end) { + var h = hue((start = colorHcl(start)).h, (end = colorHcl(end)).h), + c = nogamma(start.c, end.c), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.c = c(t); + start.l = l(t); + start.opacity = opacity(t); + return start + ""; + }; + } + } + + var hcl$1 = hcl(hue); + var hclLong = hcl(nogamma); + + function cubehelix$1(hue) { + return (function cubehelixGamma(y) { + y = +y; + + function cubehelix$$(start, end) { + var h = hue((start = cubehelix(start)).h, (end = cubehelix(end)).h), + s = nogamma(start.s, end.s), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.s = s(t); + start.l = l(Math.pow(t, y)); + start.opacity = opacity(t); + return start + ""; + }; + } + + cubehelix$$.gamma = cubehelixGamma; + + return cubehelix$$; + })(1); + } + + var cubehelix$2 = cubehelix$1(hue); + var interpolateCubehelixLong = cubehelix$1(nogamma); + + function quantize(interpolator, n) { + var samples = new Array(n); + for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); + return samples; + } + + var noop$1 = {value: function() {}}; + + function dispatch() { + for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { + if (!(t = arguments[i] + "") || (t in _)) throw new Error("illegal type: " + t); + _[t] = []; + } + return new Dispatch(_); + } + + function Dispatch(_) { + this._ = _; + } + + function parseTypenames(typenames, types) { + return typenames.trim().split(/^|\s+/).map(function(t) { + var name = "", i = t.indexOf("."); + if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); + if (t && !types.hasOwnProperty(t)) throw new Error("unknown type: " + t); + return {type: t, name: name}; + }); + } + + Dispatch.prototype = dispatch.prototype = { + constructor: Dispatch, + on: function(typename, callback) { + var _ = this._, + T = parseTypenames(typename + "", _), + t, + i = -1, + n = T.length; + + // If no callback was specified, return the callback of the given type and name. + if (arguments.length < 2) { + while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t; + return; + } + + // If a type was specified, set the callback for the given type and name. + // Otherwise, if a null callback was specified, remove callbacks of the given name. + if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback); + while (++i < n) { + if (t = (typename = T[i]).type) _[t] = set$1(_[t], typename.name, callback); + else if (callback == null) for (t in _) _[t] = set$1(_[t], typename.name, null); + } + + return this; + }, + copy: function() { + var copy = {}, _ = this._; + for (var t in _) copy[t] = _[t].slice(); + return new Dispatch(copy); + }, + call: function(type, that) { + if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) args[i] = arguments[i + 2]; + if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); + for (t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); + }, + apply: function(type, that, args) { + if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); + for (var t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); + } + }; + + function get(type, name) { + for (var i = 0, n = type.length, c; i < n; ++i) { + if ((c = type[i]).name === name) { + return c.value; + } + } + } + + function set$1(type, name, callback) { + for (var i = 0, n = type.length; i < n; ++i) { + if (type[i].name === name) { + type[i] = noop$1, type = type.slice(0, i).concat(type.slice(i + 1)); + break; + } + } + if (callback != null) type.push({name: name, value: callback}); + return type; + } + + function objectConverter(columns) { + return new Function("d", "return {" + columns.map(function(name, i) { + return JSON.stringify(name) + ": d[" + i + "]"; + }).join(",") + "}"); + } + + function customConverter(columns, f) { + var object = objectConverter(columns); + return function(row, i) { + return f(object(row), i, columns); + }; + } + + // Compute unique columns in order of discovery. + function inferColumns(rows) { + var columnSet = Object.create(null), + columns = []; + + rows.forEach(function(row) { + for (var column in row) { + if (!(column in columnSet)) { + columns.push(columnSet[column] = column); + } + } + }); + + return columns; + } + + function dsv(delimiter) { + var reFormat = new RegExp("[\"" + delimiter + "\n]"), + delimiterCode = delimiter.charCodeAt(0); + + function parse(text, f) { + var convert, columns, rows = parseRows(text, function(row, i) { + if (convert) return convert(row, i - 1); + columns = row, convert = f ? customConverter(row, f) : objectConverter(row); + }); + rows.columns = columns; + return rows; + } + + function parseRows(text, f) { + var EOL = {}, // sentinel value for end-of-line + EOF = {}, // sentinel value for end-of-file + rows = [], // output rows + N = text.length, + I = 0, // current character index + n = 0, // the current line number + t, // the current token + eol; // is the current token followed by EOL? + + function token() { + if (I >= N) return EOF; // special case: end of file + if (eol) return eol = false, EOL; // special case: end of line + + // special case: quotes + var j = I, c; + if (text.charCodeAt(j) === 34) { + var i = j; + while (i++ < N) { + if (text.charCodeAt(i) === 34) { + if (text.charCodeAt(i + 1) !== 34) break; + ++i; + } + } + I = i + 2; + c = text.charCodeAt(i + 1); + if (c === 13) { + eol = true; + if (text.charCodeAt(i + 2) === 10) ++I; + } else if (c === 10) { + eol = true; + } + return text.slice(j + 1, i).replace(/""/g, "\""); + } + + // common case: find next delimiter or newline + while (I < N) { + var k = 1; + c = text.charCodeAt(I++); + if (c === 10) eol = true; // \n + else if (c === 13) { eol = true; if (text.charCodeAt(I) === 10) ++I, ++k; } // \r|\r\n + else if (c !== delimiterCode) continue; + return text.slice(j, I - k); + } + + // special case: last token before EOF + return text.slice(j); + } + + while ((t = token()) !== EOF) { + var a = []; + while (t !== EOL && t !== EOF) { + a.push(t); + t = token(); + } + if (f && (a = f(a, n++)) == null) continue; + rows.push(a); + } + + return rows; + } + + function format(rows, columns) { + if (columns == null) columns = inferColumns(rows); + return [columns.map(formatValue).join(delimiter)].concat(rows.map(function(row) { + return columns.map(function(column) { + return formatValue(row[column]); + }).join(delimiter); + })).join("\n"); + } + + function formatRows(rows) { + return rows.map(formatRow).join("\n"); + } + + function formatRow(row) { + return row.map(formatValue).join(delimiter); + } + + function formatValue(text) { + return text == null ? "" + : reFormat.test(text += "") ? "\"" + text.replace(/\"/g, "\"\"") + "\"" + : text; + } + + return { + parse: parse, + parseRows: parseRows, + format: format, + formatRows: formatRows + }; + } + + var csv = dsv(","); + + var csvParse = csv.parse; + var csvParseRows = csv.parseRows; + var csvFormat = csv.format; + var csvFormatRows = csv.formatRows; + + var tsv = dsv("\t"); + + var tsvParse = tsv.parse; + var tsvParseRows = tsv.parseRows; + var tsvFormat = tsv.format; + var tsvFormatRows = tsv.formatRows; + + function request(url, callback) { + var request, + event = dispatch("beforesend", "progress", "load", "error"), + mimeType, + headers = map$1(), + xhr = new XMLHttpRequest, + user = null, + password = null, + response, + responseType, + timeout = 0; + + // If IE does not support CORS, use XDomainRequest. + if (typeof XDomainRequest !== "undefined" + && !("withCredentials" in xhr) + && /^(http(s)?:)?\/\//.test(url)) xhr = new XDomainRequest; + + "onload" in xhr + ? xhr.onload = xhr.onerror = xhr.ontimeout = respond + : xhr.onreadystatechange = function(o) { xhr.readyState > 3 && respond(o); }; + + function respond(o) { + var status = xhr.status, result; + if (!status && hasResponse(xhr) + || status >= 200 && status < 300 + || status === 304) { + if (response) { + try { + result = response.call(request, xhr); + } catch (e) { + event.call("error", request, e); + return; + } + } else { + result = xhr; + } + event.call("load", request, result); + } else { + event.call("error", request, o); + } + } + + xhr.onprogress = function(e) { + event.call("progress", request, e); + }; + + request = { + header: function(name, value) { + name = (name + "").toLowerCase(); + if (arguments.length < 2) return headers.get(name); + if (value == null) headers.remove(name); + else headers.set(name, value + ""); + return request; + }, + + // If mimeType is non-null and no Accept header is set, a default is used. + mimeType: function(value) { + if (!arguments.length) return mimeType; + mimeType = value == null ? null : value + ""; + return request; + }, + + // Specifies what type the response value should take; + // for instance, arraybuffer, blob, document, or text. + responseType: function(value) { + if (!arguments.length) return responseType; + responseType = value; + return request; + }, + + timeout: function(value) { + if (!arguments.length) return timeout; + timeout = +value; + return request; + }, + + user: function(value) { + return arguments.length < 1 ? user : (user = value == null ? null : value + "", request); + }, + + password: function(value) { + return arguments.length < 1 ? password : (password = value == null ? null : value + "", request); + }, + + // Specify how to convert the response content to a specific type; + // changes the callback value on "load" events. + response: function(value) { + response = value; + return request; + }, + + // Alias for send("GET", …). + get: function(data, callback) { + return request.send("GET", data, callback); + }, + + // Alias for send("POST", …). + post: function(data, callback) { + return request.send("POST", data, callback); + }, + + // If callback is non-null, it will be used for error and load events. + send: function(method, data, callback) { + if (!callback && typeof data === "function") callback = data, data = null; + if (callback && callback.length === 1) callback = fixCallback(callback); + xhr.open(method, url, true, user, password); + if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*"); + if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); }); + if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType); + if (responseType != null) xhr.responseType = responseType; + if (timeout > 0) xhr.timeout = timeout; + if (callback) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); }); + event.call("beforesend", request, xhr); + xhr.send(data == null ? null : data); + return request; + }, + + abort: function() { + xhr.abort(); + return request; + }, + + on: function() { + var value = event.on.apply(event, arguments); + return value === event ? request : value; + } + }; + + return callback + ? request.get(callback) + : request; + } + + function fixCallback(callback) { + return function(error, xhr) { + callback(error == null ? xhr : null); + }; + } + + function hasResponse(xhr) { + var type = xhr.responseType; + return type && type !== "text" + ? xhr.response // null on error + : xhr.responseText; // "" on error + } + + function type(defaultMimeType, response) { + return function(url, callback) { + var r = request(url).mimeType(defaultMimeType).response(response); + return callback ? r.get(callback) : r; + }; + } + + var html = type("text/html", function(xhr) { + return document.createRange().createContextualFragment(xhr.responseText); + }); + + var json = type("application/json", function(xhr) { + return JSON.parse(xhr.responseText); + }); + + var text = type("text/plain", function(xhr) { + return xhr.responseText; + }); + + var xml = type("application/xml", function(xhr) { + var xml = xhr.responseXML; + if (!xml) throw new Error("parse error"); + return xml; + }); + + function dsv$1(defaultMimeType, parse) { + return function(url, row, callback) { + if (arguments.length < 3) callback = row, row = null; + var r = request(url).mimeType(defaultMimeType); + r.row = function(_) { return arguments.length ? r.response(responseOf(parse, row = _)) : row; }; + r.row(row); + return callback ? r.get(callback) : r; + }; + } + + function responseOf(parse, row) { + return function(request) { + return parse(request.responseText, row); + }; + } + + var csv$1 = dsv$1("text/csv", csvParse); + + var tsv$1 = dsv$1("text/tab-separated-values", tsvParse); + + var frame = 0; + var timeout = 0; + var interval = 0; + var pokeDelay = 1000; + var taskHead; + var taskTail; + var clockLast = 0; + var clockNow = 0; + var clockSkew = 0; + var clock = typeof performance === "object" && performance.now ? performance : Date; + var setFrame = typeof requestAnimationFrame === "function" + ? (clock === Date ? function(f) { requestAnimationFrame(function() { f(clock.now()); }); } : requestAnimationFrame) + : function(f) { setTimeout(f, 17); }; + function now() { + return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew); + } + + function clearNow() { + clockNow = 0; + } + + function Timer() { + this._call = + this._time = + this._next = null; + } + + Timer.prototype = timer.prototype = { + constructor: Timer, + restart: function(callback, delay, time) { + if (typeof callback !== "function") throw new TypeError("callback is not a function"); + time = (time == null ? now() : +time) + (delay == null ? 0 : +delay); + if (!this._next && taskTail !== this) { + if (taskTail) taskTail._next = this; + else taskHead = this; + taskTail = this; + } + this._call = callback; + this._time = time; + sleep(); + }, + stop: function() { + if (this._call) { + this._call = null; + this._time = Infinity; + sleep(); + } + } + }; + + function timer(callback, delay, time) { + var t = new Timer; + t.restart(callback, delay, time); + return t; + } + + function timerFlush() { + now(); // Get the current time, if not already set. + ++frame; // Pretend we’ve set an alarm, if we haven’t already. + var t = taskHead, e; + while (t) { + if ((e = clockNow - t._time) >= 0) t._call.call(null, e); + t = t._next; + } + --frame; + } + + function wake(time) { + clockNow = (clockLast = time || clock.now()) + clockSkew; + frame = timeout = 0; + try { + timerFlush(); + } finally { + frame = 0; + nap(); + clockNow = 0; + } + } + + function poke$1() { + var now = clock.now(), delay = now - clockLast; + if (delay > pokeDelay) clockSkew -= delay, clockLast = now; + } + + function nap() { + var t0, t1 = taskHead, t2, time = Infinity; + while (t1) { + if (t1._call) { + if (time > t1._time) time = t1._time; + t0 = t1, t1 = t1._next; + } else { + t2 = t1._next, t1._next = null; + t1 = t0 ? t0._next = t2 : taskHead = t2; + } + } + taskTail = t0; + sleep(time); + } + + function sleep(time) { + if (frame) return; // Soonest alarm already set, or will be. + if (timeout) timeout = clearTimeout(timeout); + var delay = time - clockNow; + if (delay > 24) { + if (time < Infinity) timeout = setTimeout(wake, delay); + if (interval) interval = clearInterval(interval); + } else { + if (!interval) interval = setInterval(poke$1, pokeDelay); + frame = 1, setFrame(wake); + } + } + + function timeout$1(callback, delay, time) { + var t = new Timer; + delay = delay == null ? 0 : +delay; + t.restart(function(elapsed) { + t.stop(); + callback(elapsed + delay); + }, delay, time); + return t; + } + + function interval$1(callback, delay, time) { + var t = new Timer, total = delay; + if (delay == null) return t.restart(callback, delay, time), t; + delay = +delay, time = time == null ? now() : +time; + t.restart(function tick(elapsed) { + elapsed += total; + t.restart(tick, total += delay, time); + callback(elapsed); + }, delay, time); + return t; + } + +var t0$1 = new Date; +var t1$1 = new Date; + function newInterval(floori, offseti, count, field) { + + function interval(date) { + return floori(date = new Date(+date)), date; + } + + interval.floor = interval; + + interval.ceil = function(date) { + return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; + }; + + interval.round = function(date) { + var d0 = interval(date), + d1 = interval.ceil(date); + return date - d0 < d1 - date ? d0 : d1; + }; + + interval.offset = function(date, step) { + return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; + }; + + interval.range = function(start, stop, step) { + var range = []; + start = interval.ceil(start); + step = step == null ? 1 : Math.floor(step); + if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date + do range.push(new Date(+start)); while (offseti(start, step), floori(start), start < stop) + return range; + }; + + interval.filter = function(test) { + return newInterval(function(date) { + while (floori(date), !test(date)) date.setTime(date - 1); + }, function(date, step) { + while (--step >= 0) while (offseti(date, 1), !test(date)); + }); + }; + + if (count) { + interval.count = function(start, end) { + t0$1.setTime(+start), t1$1.setTime(+end); + floori(t0$1), floori(t1$1); + return Math.floor(count(t0$1, t1$1)); + }; + + interval.every = function(step) { + step = Math.floor(step); + return !isFinite(step) || !(step > 0) ? null + : !(step > 1) ? interval + : interval.filter(field + ? function(d) { return field(d) % step === 0; } + : function(d) { return interval.count(0, d) % step === 0; }); + }; + } + + return interval; + } + + var millisecond = newInterval(function() { + // noop + }, function(date, step) { + date.setTime(+date + step); + }, function(start, end) { + return end - start; + }); + + // An optimized implementation for this simple case. + millisecond.every = function(k) { + k = Math.floor(k); + if (!isFinite(k) || !(k > 0)) return null; + if (!(k > 1)) return millisecond; + return newInterval(function(date) { + date.setTime(Math.floor(date / k) * k); + }, function(date, step) { + date.setTime(+date + step * k); + }, function(start, end) { + return (end - start) / k; + }); + }; + + var milliseconds = millisecond.range; + + var durationSecond = 1e3; + var durationMinute = 6e4; + var durationHour = 36e5; + var durationDay = 864e5; + var durationWeek = 6048e5; + + var second = newInterval(function(date) { + date.setTime(Math.floor(date / durationSecond) * durationSecond); + }, function(date, step) { + date.setTime(+date + step * durationSecond); + }, function(start, end) { + return (end - start) / durationSecond; + }, function(date) { + return date.getUTCSeconds(); + }); + + var seconds = second.range; + + var minute = newInterval(function(date) { + date.setTime(Math.floor(date / durationMinute) * durationMinute); + }, function(date, step) { + date.setTime(+date + step * durationMinute); + }, function(start, end) { + return (end - start) / durationMinute; + }, function(date) { + return date.getMinutes(); + }); + + var minutes = minute.range; + + var hour = newInterval(function(date) { + var offset = date.getTimezoneOffset() * durationMinute % durationHour; + if (offset < 0) offset += durationHour; + date.setTime(Math.floor((+date - offset) / durationHour) * durationHour + offset); + }, function(date, step) { + date.setTime(+date + step * durationHour); + }, function(start, end) { + return (end - start) / durationHour; + }, function(date) { + return date.getHours(); + }); + + var hours = hour.range; + + var day = newInterval(function(date) { + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setDate(date.getDate() + step); + }, function(start, end) { + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay; + }, function(date) { + return date.getDate() - 1; + }); + + var days = day.range; + + function weekday(i) { + return newInterval(function(date) { + date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setDate(date.getDate() + step * 7); + }, function(start, end) { + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; + }); + } + + var timeWeek = weekday(0); + var timeMonday = weekday(1); + var tuesday = weekday(2); + var wednesday = weekday(3); + var thursday = weekday(4); + var friday = weekday(5); + var saturday = weekday(6); + + var sundays = timeWeek.range; + var mondays = timeMonday.range; + var tuesdays = tuesday.range; + var wednesdays = wednesday.range; + var thursdays = thursday.range; + var fridays = friday.range; + var saturdays = saturday.range; + + var month = newInterval(function(date) { + date.setDate(1); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setMonth(date.getMonth() + step); + }, function(start, end) { + return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; + }, function(date) { + return date.getMonth(); + }); + + var months = month.range; + + var year = newInterval(function(date) { + date.setMonth(0, 1); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setFullYear(date.getFullYear() + step); + }, function(start, end) { + return end.getFullYear() - start.getFullYear(); + }, function(date) { + return date.getFullYear(); + }); + + // An optimized implementation for this simple case. + year.every = function(k) { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { + date.setFullYear(Math.floor(date.getFullYear() / k) * k); + date.setMonth(0, 1); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setFullYear(date.getFullYear() + step * k); + }); + }; + + var years = year.range; + + var utcMinute = newInterval(function(date) { + date.setUTCSeconds(0, 0); + }, function(date, step) { + date.setTime(+date + step * durationMinute); + }, function(start, end) { + return (end - start) / durationMinute; + }, function(date) { + return date.getUTCMinutes(); + }); + + var utcMinutes = utcMinute.range; + + var utcHour = newInterval(function(date) { + date.setUTCMinutes(0, 0, 0); + }, function(date, step) { + date.setTime(+date + step * durationHour); + }, function(start, end) { + return (end - start) / durationHour; + }, function(date) { + return date.getUTCHours(); + }); + + var utcHours = utcHour.range; + + var utcDay = newInterval(function(date) { + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCDate(date.getUTCDate() + step); + }, function(start, end) { + return (end - start) / durationDay; + }, function(date) { + return date.getUTCDate() - 1; + }); + + var utcDays = utcDay.range; + + function utcWeekday(i) { + return newInterval(function(date) { + date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCDate(date.getUTCDate() + step * 7); + }, function(start, end) { + return (end - start) / durationWeek; + }); + } + + var utcWeek = utcWeekday(0); + var utcMonday = utcWeekday(1); + var utcTuesday = utcWeekday(2); + var utcWednesday = utcWeekday(3); + var utcThursday = utcWeekday(4); + var utcFriday = utcWeekday(5); + var utcSaturday = utcWeekday(6); + + var utcSundays = utcWeek.range; + var utcMondays = utcMonday.range; + var utcTuesdays = utcTuesday.range; + var utcWednesdays = utcWednesday.range; + var utcThursdays = utcThursday.range; + var utcFridays = utcFriday.range; + var utcSaturdays = utcSaturday.range; + + var utcMonth = newInterval(function(date) { + date.setUTCDate(1); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCMonth(date.getUTCMonth() + step); + }, function(start, end) { + return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; + }, function(date) { + return date.getUTCMonth(); + }); + + var utcMonths = utcMonth.range; + + var utcYear = newInterval(function(date) { + date.setUTCMonth(0, 1); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCFullYear(date.getUTCFullYear() + step); + }, function(start, end) { + return end.getUTCFullYear() - start.getUTCFullYear(); + }, function(date) { + return date.getUTCFullYear(); + }); + + // An optimized implementation for this simple case. + utcYear.every = function(k) { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { + date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); + date.setUTCMonth(0, 1); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCFullYear(date.getUTCFullYear() + step * k); + }); + }; + + var utcYears = utcYear.range; + + // Computes the decimal coefficient and exponent of the specified number x with + // significant digits p, where x is positive and p is in [1, 21] or undefined. + // For example, formatDecimal(1.23) returns ["123", 0]. + function formatDecimal(x, p) { + if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity + var i, coefficient = x.slice(0, i); + + // The string returned by toExponential either has the form \d\.\d+e[-+]\d+ + // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3). + return [ + coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, + +x.slice(i + 1) + ]; + } + + function exponent$1(x) { + return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; + } + + function formatGroup(grouping, thousands) { + return function(value, width) { + var i = value.length, + t = [], + j = 0, + g = grouping[0], + length = 0; + + while (i > 0 && g > 0) { + if (length + g + 1 > width) g = Math.max(1, width - length); + t.push(value.substring(i -= g, i + g)); + if ((length += g + 1) > width) break; + g = grouping[j = (j + 1) % grouping.length]; + } + + return t.reverse().join(thousands); + }; + } + + function formatDefault(x, p) { + x = x.toPrecision(p); + + out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) { + switch (x[i]) { + case ".": i0 = i1 = i; break; + case "0": if (i0 === 0) i0 = i; i1 = i; break; + case "e": break out; + default: if (i0 > 0) i0 = 0; break; + } + } + + return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x; + } + + var prefixExponent; + + function formatPrefixAuto(x, p) { + var d = formatDecimal(x, p); + if (!d) return x + ""; + var coefficient = d[0], + exponent = d[1], + i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, + n = coefficient.length; + return i === n ? coefficient + : i > n ? coefficient + new Array(i - n + 1).join("0") + : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) + : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y! + } + + function formatRounded(x, p) { + var d = formatDecimal(x, p); + if (!d) return x + ""; + var coefficient = d[0], + exponent = d[1]; + return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient + : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) + : coefficient + new Array(exponent - coefficient.length + 2).join("0"); + } + + var formatTypes = { + "": formatDefault, + "%": function(x, p) { return (x * 100).toFixed(p); }, + "b": function(x) { return Math.round(x).toString(2); }, + "c": function(x) { return x + ""; }, + "d": function(x) { return Math.round(x).toString(10); }, + "e": function(x, p) { return x.toExponential(p); }, + "f": function(x, p) { return x.toFixed(p); }, + "g": function(x, p) { return x.toPrecision(p); }, + "o": function(x) { return Math.round(x).toString(8); }, + "p": function(x, p) { return formatRounded(x * 100, p); }, + "r": formatRounded, + "s": formatPrefixAuto, + "X": function(x) { return Math.round(x).toString(16).toUpperCase(); }, + "x": function(x) { return Math.round(x).toString(16); } + }; + + // [[fill]align][sign][symbol][0][width][,][.precision][type] + var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i; + + function formatSpecifier(specifier) { + return new FormatSpecifier(specifier); + } + + function FormatSpecifier(specifier) { + if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); + + var match, + fill = match[1] || " ", + align = match[2] || ">", + sign = match[3] || "-", + symbol = match[4] || "", + zero = !!match[5], + width = match[6] && +match[6], + comma = !!match[7], + precision = match[8] && +match[8].slice(1), + type = match[9] || ""; + + // The "n" type is an alias for ",g". + if (type === "n") comma = true, type = "g"; + + // Map invalid types to the default format. + else if (!formatTypes[type]) type = ""; + + // If zero fill is specified, padding goes after sign and before digits. + if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; + + this.fill = fill; + this.align = align; + this.sign = sign; + this.symbol = symbol; + this.zero = zero; + this.width = width; + this.comma = comma; + this.precision = precision; + this.type = type; + } + + FormatSpecifier.prototype.toString = function() { + return this.fill + + this.align + + this.sign + + this.symbol + + (this.zero ? "0" : "") + + (this.width == null ? "" : Math.max(1, this.width | 0)) + + (this.comma ? "," : "") + + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0)) + + this.type; + }; + + var prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; + + function identity$3(x) { + return x; + } + + function formatLocale(locale) { + var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, + currency = locale.currency, + decimal = locale.decimal; + + function newFormat(specifier) { + specifier = formatSpecifier(specifier); + + var fill = specifier.fill, + align = specifier.align, + sign = specifier.sign, + symbol = specifier.symbol, + zero = specifier.zero, + width = specifier.width, + comma = specifier.comma, + precision = specifier.precision, + type = specifier.type; + + // Compute the prefix and suffix. + // For SI-prefix, the suffix is lazily computed. + var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", + suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? "%" : ""; + + // What format function should we use? + // Is this an integer type? + // Can this type generate exponential notation? + var formatType = formatTypes[type], + maybeSuffix = !type || /[defgprs%]/.test(type); + + // Set the default precision if not specified, + // or clamp the specified precision to the supported range. + // For significant precision, it must be in [1, 21]. + // For fixed precision, it must be in [0, 20]. + precision = precision == null ? (type ? 6 : 12) + : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) + : Math.max(0, Math.min(20, precision)); + + function format(value) { + var valuePrefix = prefix, + valueSuffix = suffix, + i, n, c; + + if (type === "c") { + valueSuffix = formatType(value) + valueSuffix; + value = ""; + } else { + value = +value; + + // Convert negative to positive, and compute the prefix. + // Note that -0 is not less than 0, but 1 / -0 is! + var valueNegative = (value < 0 || 1 / value < 0) && (value *= -1, true); + + // Perform the initial formatting. + value = formatType(value, precision); + + // If the original value was negative, it may be rounded to zero during + // formatting; treat this as (positive) zero. + if (valueNegative) { + i = -1, n = value.length; + valueNegative = false; + while (++i < n) { + if (c = value.charCodeAt(i), (48 < c && c < 58) + || (type === "x" && 96 < c && c < 103) + || (type === "X" && 64 < c && c < 71)) { + valueNegative = true; + break; + } + } + } + + // Compute the prefix and suffix. + valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; + valueSuffix = valueSuffix + (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + (valueNegative && sign === "(" ? ")" : ""); + + // Break the formatted value into the integer “value” part that can be + // grouped, and fractional or exponential “suffix” part that is not. + if (maybeSuffix) { + i = -1, n = value.length; + while (++i < n) { + if (c = value.charCodeAt(i), 48 > c || c > 57) { + valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix; + value = value.slice(0, i); + break; + } + } + } + } + + // If the fill character is not "0", grouping is applied before padding. + if (comma && !zero) value = group(value, Infinity); + + // Compute the padding. + var length = valuePrefix.length + value.length + valueSuffix.length, + padding = length < width ? new Array(width - length + 1).join(fill) : ""; + + // If the fill character is "0", grouping is applied after padding. + if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; + + // Reconstruct the final output based on the desired alignment. + switch (align) { + case "<": return valuePrefix + value + valueSuffix + padding; + case "=": return valuePrefix + padding + value + valueSuffix; + case "^": return padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); + } + return padding + valuePrefix + value + valueSuffix; + } + + format.toString = function() { + return specifier + ""; + }; + + return format; + } + + function formatPrefix(specifier, value) { + var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), + e = Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3, + k = Math.pow(10, -e), + prefix = prefixes[8 + e / 3]; + return function(value) { + return f(k * value) + prefix; + }; + } + + return { + format: newFormat, + formatPrefix: formatPrefix + }; + } + + var locale; + exports.format; + exports.formatPrefix; + + defaultLocale({ + decimal: ".", + thousands: ",", + grouping: [3], + currency: ["$", ""] + }); + + function defaultLocale(definition) { + locale = formatLocale(definition); + exports.format = locale.format; + exports.formatPrefix = locale.formatPrefix; + return locale; + } + + function precisionFixed(step) { + return Math.max(0, -exponent$1(Math.abs(step))); + } + + function precisionPrefix(step, value) { + return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step))); + } + + function precisionRound(step, max) { + step = Math.abs(step), max = Math.abs(max) - step; + return Math.max(0, exponent$1(max) - exponent$1(step)) + 1; + } + + function localDate(d) { + if (0 <= d.y && d.y < 100) { + var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); + date.setFullYear(d.y); + return date; + } + return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L); + } + + function utcDate(d) { + if (0 <= d.y && d.y < 100) { + var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L)); + date.setUTCFullYear(d.y); + return date; + } + return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); + } + + function newYear(y) { + return {y: y, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0}; + } + + function formatLocale$1(locale) { + var locale_dateTime = locale.dateTime, + locale_date = locale.date, + locale_time = locale.time, + locale_periods = locale.periods, + locale_weekdays = locale.days, + locale_shortWeekdays = locale.shortDays, + locale_months = locale.months, + locale_shortMonths = locale.shortMonths; + + var periodRe = formatRe(locale_periods), + periodLookup = formatLookup(locale_periods), + weekdayRe = formatRe(locale_weekdays), + weekdayLookup = formatLookup(locale_weekdays), + shortWeekdayRe = formatRe(locale_shortWeekdays), + shortWeekdayLookup = formatLookup(locale_shortWeekdays), + monthRe = formatRe(locale_months), + monthLookup = formatLookup(locale_months), + shortMonthRe = formatRe(locale_shortMonths), + shortMonthLookup = formatLookup(locale_shortMonths); + + var formats = { + "a": formatShortWeekday, + "A": formatWeekday, + "b": formatShortMonth, + "B": formatMonth, + "c": null, + "d": formatDayOfMonth, + "e": formatDayOfMonth, + "H": formatHour24, + "I": formatHour12, + "j": formatDayOfYear, + "L": formatMilliseconds, + "m": formatMonthNumber, + "M": formatMinutes, + "p": formatPeriod, + "S": formatSeconds, + "U": formatWeekNumberSunday, + "w": formatWeekdayNumber, + "W": formatWeekNumberMonday, + "x": null, + "X": null, + "y": formatYear, + "Y": formatFullYear, + "Z": formatZone, + "%": formatLiteralPercent + }; + + var utcFormats = { + "a": formatUTCShortWeekday, + "A": formatUTCWeekday, + "b": formatUTCShortMonth, + "B": formatUTCMonth, + "c": null, + "d": formatUTCDayOfMonth, + "e": formatUTCDayOfMonth, + "H": formatUTCHour24, + "I": formatUTCHour12, + "j": formatUTCDayOfYear, + "L": formatUTCMilliseconds, + "m": formatUTCMonthNumber, + "M": formatUTCMinutes, + "p": formatUTCPeriod, + "S": formatUTCSeconds, + "U": formatUTCWeekNumberSunday, + "w": formatUTCWeekdayNumber, + "W": formatUTCWeekNumberMonday, + "x": null, + "X": null, + "y": formatUTCYear, + "Y": formatUTCFullYear, + "Z": formatUTCZone, + "%": formatLiteralPercent + }; + + var parses = { + "a": parseShortWeekday, + "A": parseWeekday, + "b": parseShortMonth, + "B": parseMonth, + "c": parseLocaleDateTime, + "d": parseDayOfMonth, + "e": parseDayOfMonth, + "H": parseHour24, + "I": parseHour24, + "j": parseDayOfYear, + "L": parseMilliseconds, + "m": parseMonthNumber, + "M": parseMinutes, + "p": parsePeriod, + "S": parseSeconds, + "U": parseWeekNumberSunday, + "w": parseWeekdayNumber, + "W": parseWeekNumberMonday, + "x": parseLocaleDate, + "X": parseLocaleTime, + "y": parseYear, + "Y": parseFullYear, + "Z": parseZone, + "%": parseLiteralPercent + }; + + // These recursive directive definitions must be deferred. + formats.x = newFormat(locale_date, formats); + formats.X = newFormat(locale_time, formats); + formats.c = newFormat(locale_dateTime, formats); + utcFormats.x = newFormat(locale_date, utcFormats); + utcFormats.X = newFormat(locale_time, utcFormats); + utcFormats.c = newFormat(locale_dateTime, utcFormats); + + function newFormat(specifier, formats) { + return function(date) { + var string = [], + i = -1, + j = 0, + n = specifier.length, + c, + pad, + format; + + if (!(date instanceof Date)) date = new Date(+date); + + while (++i < n) { + if (specifier.charCodeAt(i) === 37) { + string.push(specifier.slice(j, i)); + if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i); + else pad = c === "e" ? " " : "0"; + if (format = formats[c]) c = format(date, pad); + string.push(c); + j = i + 1; + } + } + + string.push(specifier.slice(j, i)); + return string.join(""); + }; + } + + function newParse(specifier, newDate) { + return function(string) { + var d = newYear(1900), + i = parseSpecifier(d, specifier, string += "", 0); + if (i != string.length) return null; + + // The am-pm flag is 0 for AM, and 1 for PM. + if ("p" in d) d.H = d.H % 12 + d.p * 12; + + // Convert day-of-week and week-of-year to day-of-year. + if ("W" in d || "U" in d) { + if (!("w" in d)) d.w = "W" in d ? 1 : 0; + var day = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay(); + d.m = 0; + d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day + 5) % 7 : d.w + d.U * 7 - (day + 6) % 7; + } + + // If a time zone is specified, all fields are interpreted as UTC and then + // offset according to the specified time zone. + if ("Z" in d) { + d.H += d.Z / 100 | 0; + d.M += d.Z % 100; + return utcDate(d); + } + + // Otherwise, all fields are in local time. + return newDate(d); + }; + } + + function parseSpecifier(d, specifier, string, j) { + var i = 0, + n = specifier.length, + m = string.length, + c, + parse; + + while (i < n) { + if (j >= m) return -1; + c = specifier.charCodeAt(i++); + if (c === 37) { + c = specifier.charAt(i++); + parse = parses[c in pads ? specifier.charAt(i++) : c]; + if (!parse || ((j = parse(d, string, j)) < 0)) return -1; + } else if (c != string.charCodeAt(j++)) { + return -1; + } + } + + return j; + } + + function parsePeriod(d, string, i) { + var n = periodRe.exec(string.slice(i)); + return n ? (d.p = periodLookup[n[0].toLowerCase()], i + n[0].length) : -1; + } + + function parseShortWeekday(d, string, i) { + var n = shortWeekdayRe.exec(string.slice(i)); + return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; + } + + function parseWeekday(d, string, i) { + var n = weekdayRe.exec(string.slice(i)); + return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; + } + + function parseShortMonth(d, string, i) { + var n = shortMonthRe.exec(string.slice(i)); + return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1; + } + + function parseMonth(d, string, i) { + var n = monthRe.exec(string.slice(i)); + return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1; + } + + function parseLocaleDateTime(d, string, i) { + return parseSpecifier(d, locale_dateTime, string, i); + } + + function parseLocaleDate(d, string, i) { + return parseSpecifier(d, locale_date, string, i); + } + + function parseLocaleTime(d, string, i) { + return parseSpecifier(d, locale_time, string, i); + } + + function formatShortWeekday(d) { + return locale_shortWeekdays[d.getDay()]; + } + + function formatWeekday(d) { + return locale_weekdays[d.getDay()]; + } + + function formatShortMonth(d) { + return locale_shortMonths[d.getMonth()]; + } + + function formatMonth(d) { + return locale_months[d.getMonth()]; + } + + function formatPeriod(d) { + return locale_periods[+(d.getHours() >= 12)]; + } + + function formatUTCShortWeekday(d) { + return locale_shortWeekdays[d.getUTCDay()]; + } + + function formatUTCWeekday(d) { + return locale_weekdays[d.getUTCDay()]; + } + + function formatUTCShortMonth(d) { + return locale_shortMonths[d.getUTCMonth()]; + } + + function formatUTCMonth(d) { + return locale_months[d.getUTCMonth()]; + } + + function formatUTCPeriod(d) { + return locale_periods[+(d.getUTCHours() >= 12)]; + } + + return { + format: function(specifier) { + var f = newFormat(specifier += "", formats); + f.toString = function() { return specifier; }; + return f; + }, + parse: function(specifier) { + var p = newParse(specifier += "", localDate); + p.toString = function() { return specifier; }; + return p; + }, + utcFormat: function(specifier) { + var f = newFormat(specifier += "", utcFormats); + f.toString = function() { return specifier; }; + return f; + }, + utcParse: function(specifier) { + var p = newParse(specifier, utcDate); + p.toString = function() { return specifier; }; + return p; + } + }; + } + + var pads = {"-": "", "_": " ", "0": "0"}; + var numberRe = /^\s*\d+/; + var percentRe = /^%/; + var requoteRe = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; + function pad(value, fill, width) { + var sign = value < 0 ? "-" : "", + string = (sign ? -value : value) + "", + length = string.length; + return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); + } + + function requote(s) { + return s.replace(requoteRe, "\\$&"); + } + + function formatRe(names) { + return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i"); + } + + function formatLookup(names) { + var map = {}, i = -1, n = names.length; + while (++i < n) map[names[i].toLowerCase()] = i; + return map; + } + + function parseWeekdayNumber(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 1)); + return n ? (d.w = +n[0], i + n[0].length) : -1; + } + + function parseWeekNumberSunday(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.U = +n[0], i + n[0].length) : -1; + } + + function parseWeekNumberMonday(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.W = +n[0], i + n[0].length) : -1; + } + + function parseFullYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 4)); + return n ? (d.y = +n[0], i + n[0].length) : -1; + } + + function parseYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1; + } + + function parseZone(d, string, i) { + var n = /^(Z)|([+-]\d\d)(?:\:?(\d\d))?/.exec(string.slice(i, i + 6)); + return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; + } + + function parseMonthNumber(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.m = n[0] - 1, i + n[0].length) : -1; + } + + function parseDayOfMonth(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.d = +n[0], i + n[0].length) : -1; + } + + function parseDayOfYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 3)); + return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1; + } + + function parseHour24(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.H = +n[0], i + n[0].length) : -1; + } + + function parseMinutes(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.M = +n[0], i + n[0].length) : -1; + } + + function parseSeconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.S = +n[0], i + n[0].length) : -1; + } + + function parseMilliseconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 3)); + return n ? (d.L = +n[0], i + n[0].length) : -1; + } + + function parseLiteralPercent(d, string, i) { + var n = percentRe.exec(string.slice(i, i + 1)); + return n ? i + n[0].length : -1; + } + + function formatDayOfMonth(d, p) { + return pad(d.getDate(), p, 2); + } + + function formatHour24(d, p) { + return pad(d.getHours(), p, 2); + } + + function formatHour12(d, p) { + return pad(d.getHours() % 12 || 12, p, 2); + } + + function formatDayOfYear(d, p) { + return pad(1 + day.count(year(d), d), p, 3); + } + + function formatMilliseconds(d, p) { + return pad(d.getMilliseconds(), p, 3); + } + + function formatMonthNumber(d, p) { + return pad(d.getMonth() + 1, p, 2); + } + + function formatMinutes(d, p) { + return pad(d.getMinutes(), p, 2); + } + + function formatSeconds(d, p) { + return pad(d.getSeconds(), p, 2); + } + + function formatWeekNumberSunday(d, p) { + return pad(timeWeek.count(year(d), d), p, 2); + } + + function formatWeekdayNumber(d) { + return d.getDay(); + } + + function formatWeekNumberMonday(d, p) { + return pad(timeMonday.count(year(d), d), p, 2); + } + + function formatYear(d, p) { + return pad(d.getFullYear() % 100, p, 2); + } + + function formatFullYear(d, p) { + return pad(d.getFullYear() % 10000, p, 4); + } + + function formatZone(d) { + var z = d.getTimezoneOffset(); + return (z > 0 ? "-" : (z *= -1, "+")) + + pad(z / 60 | 0, "0", 2) + + pad(z % 60, "0", 2); + } + + function formatUTCDayOfMonth(d, p) { + return pad(d.getUTCDate(), p, 2); + } + + function formatUTCHour24(d, p) { + return pad(d.getUTCHours(), p, 2); + } + + function formatUTCHour12(d, p) { + return pad(d.getUTCHours() % 12 || 12, p, 2); + } + + function formatUTCDayOfYear(d, p) { + return pad(1 + utcDay.count(utcYear(d), d), p, 3); + } + + function formatUTCMilliseconds(d, p) { + return pad(d.getUTCMilliseconds(), p, 3); + } + + function formatUTCMonthNumber(d, p) { + return pad(d.getUTCMonth() + 1, p, 2); + } + + function formatUTCMinutes(d, p) { + return pad(d.getUTCMinutes(), p, 2); + } + + function formatUTCSeconds(d, p) { + return pad(d.getUTCSeconds(), p, 2); + } + + function formatUTCWeekNumberSunday(d, p) { + return pad(utcWeek.count(utcYear(d), d), p, 2); + } + + function formatUTCWeekdayNumber(d) { + return d.getUTCDay(); + } + + function formatUTCWeekNumberMonday(d, p) { + return pad(utcMonday.count(utcYear(d), d), p, 2); + } + + function formatUTCYear(d, p) { + return pad(d.getUTCFullYear() % 100, p, 2); + } + + function formatUTCFullYear(d, p) { + return pad(d.getUTCFullYear() % 10000, p, 4); + } + + function formatUTCZone() { + return "+0000"; + } + + function formatLiteralPercent() { + return "%"; + } + + var locale$1; + exports.timeFormat; + exports.timeParse; + exports.utcFormat; + exports.utcParse; + + defaultLocale$1({ + dateTime: "%x, %X", + date: "%-m/%-d/%Y", + time: "%-I:%M:%S %p", + periods: ["AM", "PM"], + days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], + shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], + months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], + shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"] + }); + + function defaultLocale$1(definition) { + locale$1 = formatLocale$1(definition); + exports.timeFormat = locale$1.format; + exports.timeParse = locale$1.parse; + exports.utcFormat = locale$1.utcFormat; + exports.utcParse = locale$1.utcParse; + return locale$1; + } + + var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; + + function formatIsoNative(date) { + return date.toISOString(); + } + + var formatIso = Date.prototype.toISOString + ? formatIsoNative + : exports.utcFormat(isoSpecifier); + + function parseIsoNative(string) { + var date = new Date(string); + return isNaN(date) ? null : date; + } + + var parseIso = +new Date("2000-01-01T00:00:00.000Z") + ? parseIsoNative + : exports.utcParse(isoSpecifier); + + var array$2 = Array.prototype; + + var map$2 = array$2.map; + var slice$3 = array$2.slice; + + var implicit = {name: "implicit"}; + + function ordinal(range) { + var index = map$1(), + domain = [], + unknown = implicit; + + range = range == null ? [] : slice$3.call(range); + + function scale(d) { + var key = d + "", i = index.get(key); + if (!i) { + if (unknown !== implicit) return unknown; + index.set(key, i = domain.push(d)); + } + return range[(i - 1) % range.length]; + } + + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = [], index = map$1(); + var i = -1, n = _.length, d, key; + while (++i < n) if (!index.has(key = (d = _[i]) + "")) index.set(key, domain.push(d)); + return scale; + }; + + scale.range = function(_) { + return arguments.length ? (range = slice$3.call(_), scale) : range.slice(); + }; + + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + + scale.copy = function() { + return ordinal() + .domain(domain) + .range(range) + .unknown(unknown); + }; + + return scale; + } + + function band() { + var scale = ordinal().unknown(undefined), + domain = scale.domain, + ordinalRange = scale.range, + range$$ = [0, 1], + step, + bandwidth, + round = false, + paddingInner = 0, + paddingOuter = 0, + align = 0.5; + + delete scale.unknown; + + function rescale() { + var n = domain().length, + reverse = range$$[1] < range$$[0], + start = range$$[reverse - 0], + stop = range$$[1 - reverse]; + step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); + if (round) step = Math.floor(step); + start += (stop - start - step * (n - paddingInner)) * align; + bandwidth = step * (1 - paddingInner); + if (round) start = Math.round(start), bandwidth = Math.round(bandwidth); + var values = range(n).map(function(i) { return start + step * i; }); + return ordinalRange(reverse ? values.reverse() : values); + } + + scale.domain = function(_) { + return arguments.length ? (domain(_), rescale()) : domain(); + }; + + scale.range = function(_) { + return arguments.length ? (range$$ = [+_[0], +_[1]], rescale()) : range$$.slice(); + }; + + scale.rangeRound = function(_) { + return range$$ = [+_[0], +_[1]], round = true, rescale(); + }; + + scale.bandwidth = function() { + return bandwidth; + }; + + scale.step = function() { + return step; + }; + + scale.round = function(_) { + return arguments.length ? (round = !!_, rescale()) : round; + }; + + scale.padding = function(_) { + return arguments.length ? (paddingInner = paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; + }; + + scale.paddingInner = function(_) { + return arguments.length ? (paddingInner = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; + }; + + scale.paddingOuter = function(_) { + return arguments.length ? (paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingOuter; + }; + + scale.align = function(_) { + return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align; + }; + + scale.copy = function() { + return band() + .domain(domain()) + .range(range$$) + .round(round) + .paddingInner(paddingInner) + .paddingOuter(paddingOuter) + .align(align); + }; + + return rescale(); + } + + function pointish(scale) { + var copy = scale.copy; + + scale.padding = scale.paddingOuter; + delete scale.paddingInner; + delete scale.paddingOuter; + + scale.copy = function() { + return pointish(copy()); + }; + + return scale; + } + + function point$4() { + return pointish(band().paddingInner(1)); + } + + function constant$3(x) { + return function() { + return x; + }; + } + + function number$1(x) { + return +x; + } + + var unit = [0, 1]; + + function deinterpolate(a, b) { + return (b -= (a = +a)) + ? function(x) { return (x - a) / b; } + : constant$3(b); + } + + function deinterpolateClamp(deinterpolate) { + return function(a, b) { + var d = deinterpolate(a = +a, b = +b); + return function(x) { return x <= a ? 0 : x >= b ? 1 : d(x); }; + }; + } + + function reinterpolateClamp(reinterpolate) { + return function(a, b) { + var r = reinterpolate(a = +a, b = +b); + return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; + }; + } + + function bimap(domain, range, deinterpolate, reinterpolate) { + var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; + if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); + else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); + return function(x) { return r0(d0(x)); }; + } + + function polymap(domain, range, deinterpolate, reinterpolate) { + var j = Math.min(domain.length, range.length) - 1, + d = new Array(j), + r = new Array(j), + i = -1; + + // Reverse descending domains. + if (domain[j] < domain[0]) { + domain = domain.slice().reverse(); + range = range.slice().reverse(); + } + + while (++i < j) { + d[i] = deinterpolate(domain[i], domain[i + 1]); + r[i] = reinterpolate(range[i], range[i + 1]); + } + + return function(x) { + var i = bisectRight(domain, x, 1, j) - 1; + return r[i](d[i](x)); + }; + } + + function copy(source, target) { + return target + .domain(source.domain()) + .range(source.range()) + .interpolate(source.interpolate()) + .clamp(source.clamp()); + } + + // deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. + // reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. + function continuous(deinterpolate$$, reinterpolate) { + var domain = unit, + range = unit, + interpolate$$ = interpolate, + clamp = false, + piecewise, + output, + input; + + function rescale() { + piecewise = Math.min(domain.length, range.length) > 2 ? polymap : bimap; + output = input = null; + return scale; + } + + function scale(x) { + return (output || (output = piecewise(domain, range, clamp ? deinterpolateClamp(deinterpolate$$) : deinterpolate$$, interpolate$$)))(+x); + } + + scale.invert = function(y) { + return (input || (input = piecewise(range, domain, deinterpolate, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); + }; + + scale.domain = function(_) { + return arguments.length ? (domain = map$2.call(_, number$1), rescale()) : domain.slice(); + }; + + scale.range = function(_) { + return arguments.length ? (range = slice$3.call(_), rescale()) : range.slice(); + }; + + scale.rangeRound = function(_) { + return range = slice$3.call(_), interpolate$$ = interpolateRound, rescale(); + }; + + scale.clamp = function(_) { + return arguments.length ? (clamp = !!_, rescale()) : clamp; + }; + + scale.interpolate = function(_) { + return arguments.length ? (interpolate$$ = _, rescale()) : interpolate$$; + }; + + return rescale(); + } + + function tickFormat(domain, count, specifier) { + var start = domain[0], + stop = domain[domain.length - 1], + step = tickStep(start, stop, count == null ? 10 : count), + precision; + specifier = formatSpecifier(specifier == null ? ",f" : specifier); + switch (specifier.type) { + case "s": { + var value = Math.max(Math.abs(start), Math.abs(stop)); + if (specifier.precision == null && !isNaN(precision = precisionPrefix(step, value))) specifier.precision = precision; + return exports.formatPrefix(specifier, value); + } + case "": + case "e": + case "g": + case "p": + case "r": { + if (specifier.precision == null && !isNaN(precision = precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === "e"); + break; + } + case "f": + case "%": { + if (specifier.precision == null && !isNaN(precision = precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2; + break; + } + } + return exports.format(specifier); + } + + function linearish(scale) { + var domain = scale.domain; + + scale.ticks = function(count) { + var d = domain(); + return ticks(d[0], d[d.length - 1], count == null ? 10 : count); + }; + + scale.tickFormat = function(count, specifier) { + return tickFormat(domain(), count, specifier); + }; + + scale.nice = function(count) { + var d = domain(), + i = d.length - 1, + n = count == null ? 10 : count, + start = d[0], + stop = d[i], + step = tickStep(start, stop, n); + + if (step) { + step = tickStep(Math.floor(start / step) * step, Math.ceil(stop / step) * step, n); + d[0] = Math.floor(start / step) * step; + d[i] = Math.ceil(stop / step) * step; + domain(d); + } + + return scale; + }; + + return scale; + } + + function linear$2() { + var scale = continuous(deinterpolate, interpolateNumber); + + scale.copy = function() { + return copy(scale, linear$2()); + }; + + return linearish(scale); + } + + function identity$4() { + var domain = [0, 1]; + + function scale(x) { + return +x; + } + + scale.invert = scale; + + scale.domain = scale.range = function(_) { + return arguments.length ? (domain = map$2.call(_, number$1), scale) : domain.slice(); + }; + + scale.copy = function() { + return identity$4().domain(domain); + }; + + return linearish(scale); + } + + function nice(domain, interval) { + domain = domain.slice(); + + var i0 = 0, + i1 = domain.length - 1, + x0 = domain[i0], + x1 = domain[i1], + t; + + if (x1 < x0) { + t = i0, i0 = i1, i1 = t; + t = x0, x0 = x1, x1 = t; + } + + domain[i0] = interval.floor(x0); + domain[i1] = interval.ceil(x1); + return domain; + } + + function deinterpolate$1(a, b) { + return (b = Math.log(b / a)) + ? function(x) { return Math.log(x / a) / b; } + : constant$3(b); + } + + function reinterpolate(a, b) { + return a < 0 + ? function(t) { return -Math.pow(-b, t) * Math.pow(-a, 1 - t); } + : function(t) { return Math.pow(b, t) * Math.pow(a, 1 - t); }; + } + + function pow10(x) { + return isFinite(x) ? +("1e" + x) : x < 0 ? 0 : x; + } + + function powp(base) { + return base === 10 ? pow10 + : base === Math.E ? Math.exp + : function(x) { return Math.pow(base, x); }; + } + + function logp(base) { + return base === Math.E ? Math.log + : base === 10 && Math.log10 + || base === 2 && Math.log2 + || (base = Math.log(base), function(x) { return Math.log(x) / base; }); + } + + function reflect(f) { + return function(x) { + return -f(-x); + }; + } + + function log() { + var scale = continuous(deinterpolate$1, reinterpolate).domain([1, 10]), + domain = scale.domain, + base = 10, + logs = logp(10), + pows = powp(10); + + function rescale() { + logs = logp(base), pows = powp(base); + if (domain()[0] < 0) logs = reflect(logs), pows = reflect(pows); + return scale; + } + + scale.base = function(_) { + return arguments.length ? (base = +_, rescale()) : base; + }; + + scale.domain = function(_) { + return arguments.length ? (domain(_), rescale()) : domain(); + }; + + scale.ticks = function(count) { + var d = domain(), + u = d[0], + v = d[d.length - 1], + r; + + if (r = v < u) i = u, u = v, v = i; + + var i = logs(u), + j = logs(v), + p, + k, + t, + n = count == null ? 10 : +count, + z = []; + + if (!(base % 1) && j - i < n) { + i = Math.round(i) - 1, j = Math.round(j) + 1; + if (u > 0) for (; i < j; ++i) { + for (k = 1, p = pows(i); k < base; ++k) { + t = p * k; + if (t < u) continue; + if (t > v) break; + z.push(t); + } + } else for (; i < j; ++i) { + for (k = base - 1, p = pows(i); k >= 1; --k) { + t = p * k; + if (t < u) continue; + if (t > v) break; + z.push(t); + } + } + } else { + z = ticks(i, j, Math.min(j - i, n)).map(pows); + } + + return r ? z.reverse() : z; + }; + + scale.tickFormat = function(count, specifier) { + if (specifier == null) specifier = base === 10 ? ".0e" : ","; + if (typeof specifier !== "function") specifier = exports.format(specifier); + if (count === Infinity) return specifier; + if (count == null) count = 10; + var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate? + return function(d) { + var i = d / pows(Math.round(logs(d))); + if (i * base < base - 0.5) i *= base; + return i <= k ? specifier(d) : ""; + }; + }; + + scale.nice = function() { + return domain(nice(domain(), { + floor: function(x) { return pows(Math.floor(logs(x))); }, + ceil: function(x) { return pows(Math.ceil(logs(x))); } + })); + }; + + scale.copy = function() { + return copy(scale, log().base(base)); + }; + + return scale; + } + + function raise(x, exponent) { + return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); + } + + function pow() { + var exponent = 1, + scale = continuous(deinterpolate, reinterpolate), + domain = scale.domain; + + function deinterpolate(a, b) { + return (b = raise(b, exponent) - (a = raise(a, exponent))) + ? function(x) { return (raise(x, exponent) - a) / b; } + : constant$3(b); + } + + function reinterpolate(a, b) { + b = raise(b, exponent) - (a = raise(a, exponent)); + return function(t) { return raise(a + b * t, 1 / exponent); }; + } + + scale.exponent = function(_) { + return arguments.length ? (exponent = +_, domain(domain())) : exponent; + }; + + scale.copy = function() { + return copy(scale, pow().exponent(exponent)); + }; + + return linearish(scale); + } + + function sqrt() { + return pow().exponent(0.5); + } + + function quantile() { + var domain = [], + range = [], + thresholds = []; + + function rescale() { + var i = 0, n = Math.max(1, range.length); + thresholds = new Array(n - 1); + while (++i < n) thresholds[i - 1] = threshold(domain, i / n); + return scale; + } + + function scale(x) { + if (!isNaN(x = +x)) return range[bisectRight(thresholds, x)]; + } + + scale.invertExtent = function(y) { + var i = range.indexOf(y); + return i < 0 ? [NaN, NaN] : [ + i > 0 ? thresholds[i - 1] : domain[0], + i < thresholds.length ? thresholds[i] : domain[domain.length - 1] + ]; + }; + + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = []; + for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); + domain.sort(ascending); + return rescale(); + }; + + scale.range = function(_) { + return arguments.length ? (range = slice$3.call(_), rescale()) : range.slice(); + }; + + scale.quantiles = function() { + return thresholds.slice(); + }; + + scale.copy = function() { + return quantile() + .domain(domain) + .range(range); + }; + + return scale; + } + + function quantize$1() { + var x0 = 0, + x1 = 1, + n = 1, + domain = [0.5], + range = [0, 1]; + + function scale(x) { + if (x <= x) return range[bisectRight(domain, x, 0, n)]; + } + + function rescale() { + var i = -1; + domain = new Array(n); + while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1); + return scale; + } + + scale.domain = function(_) { + return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1]; + }; + + scale.range = function(_) { + return arguments.length ? (n = (range = slice$3.call(_)).length - 1, rescale()) : range.slice(); + }; + + scale.invertExtent = function(y) { + var i = range.indexOf(y); + return i < 0 ? [NaN, NaN] + : i < 1 ? [x0, domain[0]] + : i >= n ? [domain[n - 1], x1] + : [domain[i - 1], domain[i]]; + }; + + scale.copy = function() { + return quantize$1() + .domain([x0, x1]) + .range(range); + }; + + return linearish(scale); + } + + function threshold$1() { + var domain = [0.5], + range = [0, 1], + n = 1; + + function scale(x) { + if (x <= x) return range[bisectRight(domain, x, 0, n)]; + } + + scale.domain = function(_) { + return arguments.length ? (domain = slice$3.call(_), n = Math.min(domain.length, range.length - 1), scale) : domain.slice(); + }; + + scale.range = function(_) { + return arguments.length ? (range = slice$3.call(_), n = Math.min(domain.length, range.length - 1), scale) : range.slice(); + }; + + scale.invertExtent = function(y) { + var i = range.indexOf(y); + return [domain[i - 1], domain[i]]; + }; + + scale.copy = function() { + return threshold$1() + .domain(domain) + .range(range); + }; + + return scale; + } + +var durationSecond$1 = 1000; +var durationMinute$1 = durationSecond$1 * 60; +var durationHour$1 = durationMinute$1 * 60; +var durationDay$1 = durationHour$1 * 24; +var durationWeek$1 = durationDay$1 * 7; + var durationMonth = durationDay$1 * 30; + var durationYear = durationDay$1 * 365; + function date$1(t) { + return new Date(t); + } + + function number$2(t) { + return t instanceof Date ? +t : +new Date(+t); + } + + function calendar(year, month, week, day, hour, minute, second, millisecond, format) { + var scale = continuous(deinterpolate, interpolateNumber), + invert = scale.invert, + domain = scale.domain; + + var formatMillisecond = format(".%L"), + formatSecond = format(":%S"), + formatMinute = format("%I:%M"), + formatHour = format("%I %p"), + formatDay = format("%a %d"), + formatWeek = format("%b %d"), + formatMonth = format("%B"), + formatYear = format("%Y"); + + var tickIntervals = [ + [second, 1, durationSecond$1], + [second, 5, 5 * durationSecond$1], + [second, 15, 15 * durationSecond$1], + [second, 30, 30 * durationSecond$1], + [minute, 1, durationMinute$1], + [minute, 5, 5 * durationMinute$1], + [minute, 15, 15 * durationMinute$1], + [minute, 30, 30 * durationMinute$1], + [ hour, 1, durationHour$1 ], + [ hour, 3, 3 * durationHour$1 ], + [ hour, 6, 6 * durationHour$1 ], + [ hour, 12, 12 * durationHour$1 ], + [ day, 1, durationDay$1 ], + [ day, 2, 2 * durationDay$1 ], + [ week, 1, durationWeek$1 ], + [ month, 1, durationMonth ], + [ month, 3, 3 * durationMonth ], + [ year, 1, durationYear ] + ]; + + function tickFormat(date) { + return (second(date) < date ? formatMillisecond + : minute(date) < date ? formatSecond + : hour(date) < date ? formatMinute + : day(date) < date ? formatHour + : month(date) < date ? (week(date) < date ? formatDay : formatWeek) + : year(date) < date ? formatMonth + : formatYear)(date); + } + + function tickInterval(interval, start, stop, step) { + if (interval == null) interval = 10; + + // If a desired tick count is specified, pick a reasonable tick interval + // based on the extent of the domain and a rough estimate of tick size. + // Otherwise, assume interval is already a time interval and use it. + if (typeof interval === "number") { + var target = Math.abs(stop - start) / interval, + i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); + if (i === tickIntervals.length) { + step = tickStep(start / durationYear, stop / durationYear, interval); + interval = year; + } else if (i) { + i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; + step = i[1]; + interval = i[0]; + } else { + step = tickStep(start, stop, interval); + interval = millisecond; + } + } + + return step == null ? interval : interval.every(step); + } + + scale.invert = function(y) { + return new Date(invert(y)); + }; + + scale.domain = function(_) { + return arguments.length ? domain(map$2.call(_, number$2)) : domain().map(date$1); + }; + + scale.ticks = function(interval, step) { + var d = domain(), + t0 = d[0], + t1 = d[d.length - 1], + r = t1 < t0, + t; + if (r) t = t0, t0 = t1, t1 = t; + t = tickInterval(interval, t0, t1, step); + t = t ? t.range(t0, t1 + 1) : []; // inclusive stop + return r ? t.reverse() : t; + }; + + scale.tickFormat = function(count, specifier) { + return specifier == null ? tickFormat : format(specifier); + }; + + scale.nice = function(interval, step) { + var d = domain(); + return (interval = tickInterval(interval, d[0], d[d.length - 1], step)) + ? domain(nice(d, interval)) + : scale; + }; + + scale.copy = function() { + return copy(scale, calendar(year, month, week, day, hour, minute, second, millisecond, format)); + }; + + return scale; + } + + function time() { + return calendar(year, month, timeWeek, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]); + } + + function utcTime() { + return calendar(utcYear, utcMonth, utcWeek, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); + } + + function colors(s) { + return s.match(/.{6}/g).map(function(x) { + return "#" + x; + }); + } + + var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); + + var category20b = colors("393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6"); + + var category20c = colors("3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9"); + + var category20 = colors("1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5"); + + var cubehelix$3 = interpolateCubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); + + var warm = interpolateCubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); + + var cool = interpolateCubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); + + var rainbow = cubehelix(); + + function rainbow$1(t) { + if (t < 0 || t > 1) t -= Math.floor(t); + var ts = Math.abs(t - 0.5); + rainbow.h = 360 * t - 100; + rainbow.s = 1.5 - 1.5 * ts; + rainbow.l = 0.8 - 0.9 * ts; + return rainbow + ""; + } + + function ramp(range) { + var n = range.length; + return function(t) { + return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; + }; + } + + var viridis = ramp(colors("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")); + + var magma = ramp(colors("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")); + + var inferno = ramp(colors("00000401000501010601010802010a02020c02020e03021004031204031405041706041907051b08051d09061f0a07220b07240c08260d08290e092b10092d110a30120a32140b34150b37160b39180c3c190c3e1b0c411c0c431e0c451f0c48210c4a230c4c240c4f260c51280b53290b552b0b572d0b592f0a5b310a5c320a5e340a5f3609613809623909633b09643d09653e0966400a67420a68440a68450a69470b6a490b6a4a0c6b4c0c6b4d0d6c4f0d6c510e6c520e6d540f6d550f6d57106e59106e5a116e5c126e5d126e5f136e61136e62146e64156e65156e67166e69166e6a176e6c186e6d186e6f196e71196e721a6e741a6e751b6e771c6d781c6d7a1d6d7c1d6d7d1e6d7f1e6c801f6c82206c84206b85216b87216b88226a8a226a8c23698d23698f24699025689225689326679526679727669827669a28659b29649d29649f2a63a02a63a22b62a32c61a52c60a62d60a82e5fa92e5eab2f5ead305dae305cb0315bb1325ab3325ab43359b63458b73557b93556ba3655bc3754bd3853bf3952c03a51c13a50c33b4fc43c4ec63d4dc73e4cc83f4bca404acb4149cc4248ce4347cf4446d04545d24644d34743d44842d54a41d74b3fd84c3ed94d3dda4e3cdb503bdd513ade5238df5337e05536e15635e25734e35933e45a31e55c30e65d2fe75e2ee8602de9612bea632aeb6429eb6628ec6726ed6925ee6a24ef6c23ef6e21f06f20f1711ff1731df2741cf3761bf37819f47918f57b17f57d15f67e14f68013f78212f78410f8850ff8870ef8890cf98b0bf98c0af98e09fa9008fa9207fa9407fb9606fb9706fb9906fb9b06fb9d07fc9f07fca108fca309fca50afca60cfca80dfcaa0ffcac11fcae12fcb014fcb216fcb418fbb61afbb81dfbba1ffbbc21fbbe23fac026fac228fac42afac62df9c72ff9c932f9cb35f8cd37f8cf3af7d13df7d340f6d543f6d746f5d949f5db4cf4dd4ff4df53f4e156f3e35af3e55df2e661f2e865f2ea69f1ec6df1ed71f1ef75f1f179f2f27df2f482f3f586f3f68af4f88ef5f992f6fa96f8fb9af9fc9dfafda1fcffa4")); + + var plasma = ramp(colors("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")); + + function sequential(interpolator) { + var x0 = 0, + x1 = 1, + clamp = false; + + function scale(x) { + var t = (x - x0) / (x1 - x0); + return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t); + } + + scale.domain = function(_) { + return arguments.length ? (x0 = +_[0], x1 = +_[1], scale) : [x0, x1]; + }; + + scale.clamp = function(_) { + return arguments.length ? (clamp = !!_, scale) : clamp; + }; + + scale.interpolator = function(_) { + return arguments.length ? (interpolator = _, scale) : interpolator; + }; + + scale.copy = function() { + return sequential(interpolator).domain([x0, x1]).clamp(clamp); + }; + + return linearish(scale); + } + + var xhtml = "http://www.w3.org/1999/xhtml"; + + var namespaces = { + svg: "http://www.w3.org/2000/svg", + xhtml: xhtml, + xlink: "http://www.w3.org/1999/xlink", + xml: "http://www.w3.org/XML/1998/namespace", + xmlns: "http://www.w3.org/2000/xmlns/" + }; + + function namespace(name) { + var prefix = name += "", i = prefix.indexOf(":"); + if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); + return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; + } + + function creatorInherit(name) { + return function() { + var document = this.ownerDocument, + uri = this.namespaceURI; + return uri === xhtml && document.documentElement.namespaceURI === xhtml + ? document.createElement(name) + : document.createElementNS(uri, name); + }; + } + + function creatorFixed(fullname) { + return function() { + return this.ownerDocument.createElementNS(fullname.space, fullname.local); + }; + } + + function creator(name) { + var fullname = namespace(name); + return (fullname.local + ? creatorFixed + : creatorInherit)(fullname); + } + + var nextId = 0; + + function local() { + return new Local; + } + + function Local() { + this._ = "@" + (++nextId).toString(36); + } + + Local.prototype = local.prototype = { + constructor: Local, + get: function(node) { + var id = this._; + while (!(id in node)) if (!(node = node.parentNode)) return; + return node[id]; + }, + set: function(node, value) { + return node[this._] = value; + }, + remove: function(node) { + return this._ in node && delete node[this._]; + }, + toString: function() { + return this._; + } + }; + + var matcher = function(selector) { + return function() { + return this.matches(selector); + }; + }; + + if (typeof document !== "undefined") { + var element = document.documentElement; + if (!element.matches) { + var vendorMatches = element.webkitMatchesSelector + || element.msMatchesSelector + || element.mozMatchesSelector + || element.oMatchesSelector; + matcher = function(selector) { + return function() { + return vendorMatches.call(this, selector); + }; + }; + } + } + + var matcher$1 = matcher; + + var filterEvents = {}; + + exports.event = null; + + if (typeof document !== "undefined") { + var element$1 = document.documentElement; + if (!("onmouseenter" in element$1)) { + filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; + } + } + + function filterContextListener(listener, index, group) { + listener = contextListener(listener, index, group); + return function(event) { + var related = event.relatedTarget; + if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { + listener.call(this, event); + } + }; + } + + function contextListener(listener, index, group) { + return function(event1) { + var event0 = exports.event; // Events can be reentrant (e.g., focus). + exports.event = event1; + try { + listener.call(this, this.__data__, index, group); + } finally { + exports.event = event0; + } + }; + } + + function parseTypenames$1(typenames) { + return typenames.trim().split(/^|\s+/).map(function(t) { + var name = "", i = t.indexOf("."); + if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); + return {type: t, name: name}; + }); + } + + function onRemove(typename) { + return function() { + var on = this.__on; + if (!on) return; + for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { + if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { + this.removeEventListener(o.type, o.listener, o.capture); + } else { + on[++i] = o; + } + } + if (++i) on.length = i; + else delete this.__on; + }; + } + + function onAdd(typename, value, capture) { + var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; + return function(d, i, group) { + var on = this.__on, o, listener = wrap(value, i, group); + if (on) for (var j = 0, m = on.length; j < m; ++j) { + if ((o = on[j]).type === typename.type && o.name === typename.name) { + this.removeEventListener(o.type, o.listener, o.capture); + this.addEventListener(o.type, o.listener = listener, o.capture = capture); + o.value = value; + return; + } + } + this.addEventListener(typename.type, listener, capture); + o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; + if (!on) this.__on = [o]; + else on.push(o); + }; + } + + function selection_on(typename, value, capture) { + var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t; + + if (arguments.length < 2) { + var on = this.node().__on; + if (on) for (var j = 0, m = on.length, o; j < m; ++j) { + for (i = 0, o = on[j]; i < n; ++i) { + if ((t = typenames[i]).type === o.type && t.name === o.name) { + return o.value; + } + } + } + return; + } + + on = value ? onAdd : onRemove; + if (capture == null) capture = false; + for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); + return this; + } + + function customEvent(event1, listener, that, args) { + var event0 = exports.event; + event1.sourceEvent = exports.event; + exports.event = event1; + try { + return listener.apply(that, args); + } finally { + exports.event = event0; + } + } + + function sourceEvent() { + var current = exports.event, source; + while (source = current.sourceEvent) current = source; + return current; + } + + function point$5(node, event) { + var svg = node.ownerSVGElement || node; + + if (svg.createSVGPoint) { + var point = svg.createSVGPoint(); + point.x = event.clientX, point.y = event.clientY; + point = point.matrixTransform(node.getScreenCTM().inverse()); + return [point.x, point.y]; + } + + var rect = node.getBoundingClientRect(); + return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; + } + + function mouse(node) { + var event = sourceEvent(); + if (event.changedTouches) event = event.changedTouches[0]; + return point$5(node, event); + } + + function none$2() {} + + function selector(selector) { + return selector == null ? none$2 : function() { + return this.querySelector(selector); + }; + } + + function selection_select(select) { + if (typeof select !== "function") select = selector(select); + + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { + if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { + if ("__data__" in node) subnode.__data__ = node.__data__; + subgroup[i] = subnode; + } + } + } + + return new Selection(subgroups, this._parents); + } + + function empty() { + return []; + } + + function selectorAll(selector) { + return selector == null ? empty : function() { + return this.querySelectorAll(selector); + }; + } + + function selection_selectAll(select) { + if (typeof select !== "function") select = selectorAll(select); + + for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + subgroups.push(select.call(node, node.__data__, i, group)); + parents.push(node); + } + } + } + + return new Selection(subgroups, parents); + } + + function selection_filter(match) { + if (typeof match !== "function") match = matcher$1(match); + + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { + if ((node = group[i]) && match.call(node, node.__data__, i, group)) { + subgroup.push(node); + } + } + } + + return new Selection(subgroups, this._parents); + } + + function sparse(update) { + return new Array(update.length); + } + + function selection_enter() { + return new Selection(this._enter || this._groups.map(sparse), this._parents); + } + + function EnterNode(parent, datum) { + this.ownerDocument = parent.ownerDocument; + this.namespaceURI = parent.namespaceURI; + this._next = null; + this._parent = parent; + this.__data__ = datum; + } + + EnterNode.prototype = { + constructor: EnterNode, + appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, + insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, + querySelector: function(selector) { return this._parent.querySelector(selector); }, + querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } + }; + + function constant$4(x) { + return function() { + return x; + }; + } + + var keyPrefix = "$"; // Protect against keys like “__proto__”. + + function bindIndex(parent, group, enter, update, exit, data) { + var i = 0, + node, + groupLength = group.length, + dataLength = data.length; + + // Put any non-null nodes that fit into update. + // Put any null nodes into enter. + // Put any remaining data into enter. + for (; i < dataLength; ++i) { + if (node = group[i]) { + node.__data__ = data[i]; + update[i] = node; + } else { + enter[i] = new EnterNode(parent, data[i]); + } + } + + // Put any non-null nodes that don’t fit into exit. + for (; i < groupLength; ++i) { + if (node = group[i]) { + exit[i] = node; + } + } + } + + function bindKey(parent, group, enter, update, exit, data, key) { + var i, + node, + nodeByKeyValue = {}, + groupLength = group.length, + dataLength = data.length, + keyValues = new Array(groupLength), + keyValue; + + // Compute the key for each node. + // If multiple nodes have the same key, the duplicates are added to exit. + for (i = 0; i < groupLength; ++i) { + if (node = group[i]) { + keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group); + if (keyValue in nodeByKeyValue) { + exit[i] = node; + } else { + nodeByKeyValue[keyValue] = node; + } + } + } + + // Compute the key for each datum. + // If there a node associated with this key, join and add it to update. + // If there is not (or the key is a duplicate), add it to enter. + for (i = 0; i < dataLength; ++i) { + keyValue = keyPrefix + key.call(parent, data[i], i, data); + if (node = nodeByKeyValue[keyValue]) { + update[i] = node; + node.__data__ = data[i]; + nodeByKeyValue[keyValue] = null; + } else { + enter[i] = new EnterNode(parent, data[i]); + } + } + + // Add any remaining nodes that were not bound to data to exit. + for (i = 0; i < groupLength; ++i) { + if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) { + exit[i] = node; + } + } + } + + function selection_data(value, key) { + if (!value) { + data = new Array(this.size()), j = -1; + this.each(function(d) { data[++j] = d; }); + return data; + } + + var bind = key ? bindKey : bindIndex, + parents = this._parents, + groups = this._groups; + + if (typeof value !== "function") value = constant$4(value); + + for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) { + var parent = parents[j], + group = groups[j], + groupLength = group.length, + data = value.call(parent, parent && parent.__data__, j, parents), + dataLength = data.length, + enterGroup = enter[j] = new Array(dataLength), + updateGroup = update[j] = new Array(dataLength), + exitGroup = exit[j] = new Array(groupLength); + + bind(parent, group, enterGroup, updateGroup, exitGroup, data, key); + + // Now connect the enter nodes to their following update node, such that + // appendChild can insert the materialized enter node before this node, + // rather than at the end of the parent node. + for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) { + if (previous = enterGroup[i0]) { + if (i0 >= i1) i1 = i0 + 1; + while (!(next = updateGroup[i1]) && ++i1 < dataLength); + previous._next = next || null; + } + } + } + + update = new Selection(update, parents); + update._enter = enter; + update._exit = exit; + return update; + } + + function selection_exit() { + return new Selection(this._exit || this._groups.map(sparse), this._parents); + } + + function selection_merge(selection) { + + for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group0[i] || group1[i]) { + merge[i] = node; + } + } + } + + for (; j < m0; ++j) { + merges[j] = groups0[j]; + } + + return new Selection(merges, this._parents); + } + + function selection_order() { + + for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { + for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) { + if (node = group[i]) { + if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); + next = node; + } + } + } + + return this; + } + + function selection_sort(compare) { + if (!compare) compare = ascending$2; + + function compareNode(a, b) { + return a && b ? compare(a.__data__, b.__data__) : !a - !b; + } + + for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group[i]) { + sortgroup[i] = node; + } + } + sortgroup.sort(compareNode); + } + + return new Selection(sortgroups, this._parents).order(); + } + + function ascending$2(a, b) { + return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; + } + + function selection_call() { + var callback = arguments[0]; + arguments[0] = this; + callback.apply(null, arguments); + return this; + } + + function selection_nodes() { + var nodes = new Array(this.size()), i = -1; + this.each(function() { nodes[++i] = this; }); + return nodes; + } + + function selection_node() { + + for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { + for (var group = groups[j], i = 0, n = group.length; i < n; ++i) { + var node = group[i]; + if (node) return node; + } + } + + return null; + } + + function selection_size() { + var size = 0; + this.each(function() { ++size; }); + return size; + } + + function selection_empty() { + return !this.node(); + } + + function selection_each(callback) { + + for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { + for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { + if (node = group[i]) callback.call(node, node.__data__, i, group); + } + } + + return this; + } + + function attrRemove(name) { + return function() { + this.removeAttribute(name); + }; + } + + function attrRemoveNS(fullname) { + return function() { + this.removeAttributeNS(fullname.space, fullname.local); + }; + } + + function attrConstant(name, value) { + return function() { + this.setAttribute(name, value); + }; + } + + function attrConstantNS(fullname, value) { + return function() { + this.setAttributeNS(fullname.space, fullname.local, value); + }; + } + + function attrFunction(name, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.removeAttribute(name); + else this.setAttribute(name, v); + }; + } + + function attrFunctionNS(fullname, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.removeAttributeNS(fullname.space, fullname.local); + else this.setAttributeNS(fullname.space, fullname.local, v); + }; + } + + function selection_attr(name, value) { + var fullname = namespace(name); + + if (arguments.length < 2) { + var node = this.node(); + return fullname.local + ? node.getAttributeNS(fullname.space, fullname.local) + : node.getAttribute(fullname); + } + + return this.each((value == null + ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" + ? (fullname.local ? attrFunctionNS : attrFunction) + : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); + } + + function window(node) { + return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node + || (node.document && node) // node is a Window + || node.defaultView; // node is a Document + } + + function styleRemove(name) { + return function() { + this.style.removeProperty(name); + }; + } + + function styleConstant(name, value, priority) { + return function() { + this.style.setProperty(name, value, priority); + }; + } + + function styleFunction(name, value, priority) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.style.removeProperty(name); + else this.style.setProperty(name, v, priority); + }; + } + + function selection_style(name, value, priority) { + var node; + return arguments.length > 1 + ? this.each((value == null + ? styleRemove : typeof value === "function" + ? styleFunction + : styleConstant)(name, value, priority == null ? "" : priority)) + : window(node = this.node()) + .getComputedStyle(node, null) + .getPropertyValue(name); + } + + function propertyRemove(name) { + return function() { + delete this[name]; + }; + } + + function propertyConstant(name, value) { + return function() { + this[name] = value; + }; + } + + function propertyFunction(name, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) delete this[name]; + else this[name] = v; + }; + } + + function selection_property(name, value) { + return arguments.length > 1 + ? this.each((value == null + ? propertyRemove : typeof value === "function" + ? propertyFunction + : propertyConstant)(name, value)) + : this.node()[name]; + } + + function classArray(string) { + return string.trim().split(/^|\s+/); + } + + function classList(node) { + return node.classList || new ClassList(node); + } + + function ClassList(node) { + this._node = node; + this._names = classArray(node.getAttribute("class") || ""); + } + + ClassList.prototype = { + add: function(name) { + var i = this._names.indexOf(name); + if (i < 0) { + this._names.push(name); + this._node.setAttribute("class", this._names.join(" ")); + } + }, + remove: function(name) { + var i = this._names.indexOf(name); + if (i >= 0) { + this._names.splice(i, 1); + this._node.setAttribute("class", this._names.join(" ")); + } + }, + contains: function(name) { + return this._names.indexOf(name) >= 0; + } + }; + + function classedAdd(node, names) { + var list = classList(node), i = -1, n = names.length; + while (++i < n) list.add(names[i]); + } + + function classedRemove(node, names) { + var list = classList(node), i = -1, n = names.length; + while (++i < n) list.remove(names[i]); + } + + function classedTrue(names) { + return function() { + classedAdd(this, names); + }; + } + + function classedFalse(names) { + return function() { + classedRemove(this, names); + }; + } + + function classedFunction(names, value) { + return function() { + (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names); + }; + } + + function selection_classed(name, value) { + var names = classArray(name + ""); + + if (arguments.length < 2) { + var list = classList(this.node()), i = -1, n = names.length; + while (++i < n) if (!list.contains(names[i])) return false; + return true; + } + + return this.each((typeof value === "function" + ? classedFunction : value + ? classedTrue + : classedFalse)(names, value)); + } + + function textRemove() { + this.textContent = ""; + } + + function textConstant(value) { + return function() { + this.textContent = value; + }; + } + + function textFunction(value) { + return function() { + var v = value.apply(this, arguments); + this.textContent = v == null ? "" : v; + }; + } + + function selection_text(value) { + return arguments.length + ? this.each(value == null + ? textRemove : (typeof value === "function" + ? textFunction + : textConstant)(value)) + : this.node().textContent; + } + + function htmlRemove() { + this.innerHTML = ""; + } + + function htmlConstant(value) { + return function() { + this.innerHTML = value; + }; + } + + function htmlFunction(value) { + return function() { + var v = value.apply(this, arguments); + this.innerHTML = v == null ? "" : v; + }; + } + + function selection_html(value) { + return arguments.length + ? this.each(value == null + ? htmlRemove : (typeof value === "function" + ? htmlFunction + : htmlConstant)(value)) + : this.node().innerHTML; + } + + function raise$1() { + if (this.nextSibling) this.parentNode.appendChild(this); + } + + function selection_raise() { + return this.each(raise$1); + } + + function lower() { + if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); + } + + function selection_lower() { + return this.each(lower); + } + + function selection_append(name) { + var create = typeof name === "function" ? name : creator(name); + return this.select(function() { + return this.appendChild(create.apply(this, arguments)); + }); + } + + function constantNull() { + return null; + } + + function selection_insert(name, before) { + var create = typeof name === "function" ? name : creator(name), + select = before == null ? constantNull : typeof before === "function" ? before : selector(before); + return this.select(function() { + return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); + }); + } + + function remove() { + var parent = this.parentNode; + if (parent) parent.removeChild(this); + } + + function selection_remove() { + return this.each(remove); + } + + function selection_datum(value) { + return arguments.length + ? this.property("__data__", value) + : this.node().__data__; + } + + function dispatchEvent(node, type, params) { + var window$$ = window(node), + event = window$$.CustomEvent; + + if (event) { + event = new event(type, params); + } else { + event = window$$.document.createEvent("Event"); + if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; + else event.initEvent(type, false, false); + } + + node.dispatchEvent(event); + } + + function dispatchConstant(type, params) { + return function() { + return dispatchEvent(this, type, params); + }; + } + + function dispatchFunction(type, params) { + return function() { + return dispatchEvent(this, type, params.apply(this, arguments)); + }; + } + + function selection_dispatch(type, params) { + return this.each((typeof params === "function" + ? dispatchFunction + : dispatchConstant)(type, params)); + } + + var root = [null]; + + function Selection(groups, parents) { + this._groups = groups; + this._parents = parents; + } + + function selection() { + return new Selection([[document.documentElement]], root); + } + + Selection.prototype = selection.prototype = { + constructor: Selection, + select: selection_select, + selectAll: selection_selectAll, + filter: selection_filter, + data: selection_data, + enter: selection_enter, + exit: selection_exit, + merge: selection_merge, + order: selection_order, + sort: selection_sort, + call: selection_call, + nodes: selection_nodes, + node: selection_node, + size: selection_size, + empty: selection_empty, + each: selection_each, + attr: selection_attr, + style: selection_style, + property: selection_property, + classed: selection_classed, + text: selection_text, + html: selection_html, + raise: selection_raise, + lower: selection_lower, + append: selection_append, + insert: selection_insert, + remove: selection_remove, + datum: selection_datum, + on: selection_on, + dispatch: selection_dispatch + }; + + function select(selector) { + return typeof selector === "string" + ? new Selection([[document.querySelector(selector)]], [document.documentElement]) + : new Selection([[selector]], root); + } + + function selectAll(selector) { + return typeof selector === "string" + ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) + : new Selection([selector == null ? [] : selector], root); + } + + function touch(node, touches, identifier) { + if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; + + for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) { + if ((touch = touches[i]).identifier === identifier) { + return point$5(node, touch); + } + } + + return null; + } + + function touches(node, touches) { + if (touches == null) touches = sourceEvent().touches; + + for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) { + points[i] = point$5(node, touches[i]); + } + + return points; + } + + var emptyOn = dispatch("start", "end", "interrupt"); + var emptyTween = []; + + var CREATED = 0; + var SCHEDULED = 1; + var STARTING = 2; + var STARTED = 3; + var ENDING = 4; + var ENDED = 5; + + function schedule(node, name, id, index, group, timing) { + var schedules = node.__transition; + if (!schedules) node.__transition = {}; + else if (id in schedules) return; + create(node, id, { + name: name, + index: index, // For context during callback. + group: group, // For context during callback. + on: emptyOn, + tween: emptyTween, + time: timing.time, + delay: timing.delay, + duration: timing.duration, + ease: timing.ease, + timer: null, + state: CREATED + }); + } + + function init(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id]) || schedule.state > CREATED) throw new Error("too late"); + return schedule; + } + + function set$2(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id]) || schedule.state > STARTING) throw new Error("too late"); + return schedule; + } + + function get$1(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id])) throw new Error("too late"); + return schedule; + } + + function create(node, id, self) { + var schedules = node.__transition, + tween; + + // Initialize the self timer when the transition is created. + // Note the actual delay is not known until the first callback! + schedules[id] = self; + self.timer = timer(schedule, 0, self.time); + + // If the delay is greater than this first sleep, sleep some more; + // otherwise, start immediately. + function schedule(elapsed) { + self.state = SCHEDULED; + if (self.delay <= elapsed) start(elapsed - self.delay); + else self.timer.restart(start, self.delay, self.time); + } + + function start(elapsed) { + var i, j, n, o; + + for (i in schedules) { + o = schedules[i]; + if (o.name !== self.name) continue; + + // Interrupt the active transition, if any. + // Dispatch the interrupt event. + if (o.state === STARTED) { + o.state = ENDED; + o.timer.stop(); + o.on.call("interrupt", node, node.__data__, o.index, o.group); + delete schedules[i]; + } + + // Cancel any pre-empted transitions. No interrupt event is dispatched + // because the cancelled transitions never started. Note that this also + // removes this transition from the pending list! + else if (+i < id) { + o.state = ENDED; + o.timer.stop(); + delete schedules[i]; + } + } + + // Defer the first tick to end of the current frame; see mbostock/d3#1576. + // Note the transition may be canceled after start and before the first tick! + // Note this must be scheduled before the start event; see d3/d3-transition#16! + // Assuming this is successful, subsequent callbacks go straight to tick. + timeout$1(function() { + if (self.state === STARTED) { + self.timer.restart(tick, self.delay, self.time); + tick(elapsed); + } + }); + + // Dispatch the start event. + // Note this must be done before the tween are initialized. + self.state = STARTING; + self.on.call("start", node, node.__data__, self.index, self.group); + if (self.state !== STARTING) return; // interrupted + self.state = STARTED; + + // Initialize the tween, deleting null tween. + tween = new Array(n = self.tween.length); + for (i = 0, j = -1; i < n; ++i) { + if (o = self.tween[i].value.call(node, node.__data__, self.index, self.group)) { + tween[++j] = o; + } + } + tween.length = j + 1; + } + + function tick(elapsed) { + var t = elapsed < self.duration ? self.ease.call(null, elapsed / self.duration) : (self.state = ENDING, 1), + i = -1, + n = tween.length; + + while (++i < n) { + tween[i].call(null, t); + } + + // Dispatch the end event. + if (self.state === ENDING) { + self.state = ENDED; + self.timer.stop(); + self.on.call("end", node, node.__data__, self.index, self.group); + for (i in schedules) if (+i !== id) return void delete schedules[id]; + delete node.__transition; + } + } + } + + function interrupt(node, name) { + var schedules = node.__transition, + schedule, + active, + empty = true, + i; + + if (!schedules) return; + + name = name == null ? null : name + ""; + + for (i in schedules) { + if ((schedule = schedules[i]).name !== name) { empty = false; continue; } + active = schedule.state === STARTED; + schedule.state = ENDED; + schedule.timer.stop(); + if (active) schedule.on.call("interrupt", node, node.__data__, schedule.index, schedule.group); + delete schedules[i]; + } + + if (empty) delete node.__transition; + } + + function selection_interrupt(name) { + return this.each(function() { + interrupt(this, name); + }); + } + + function tweenRemove(id, name) { + var tween0, tween1; + return function() { + var schedule = set$2(this, id), + tween = schedule.tween; + + // If this node shared tween with the previous node, + // just assign the updated shared tween and we’re done! + // Otherwise, copy-on-write. + if (tween !== tween0) { + tween1 = tween0 = tween; + for (var i = 0, n = tween1.length; i < n; ++i) { + if (tween1[i].name === name) { + tween1 = tween1.slice(); + tween1.splice(i, 1); + break; + } + } + } + + schedule.tween = tween1; + }; + } + + function tweenFunction(id, name, value) { + var tween0, tween1; + if (typeof value !== "function") throw new Error; + return function() { + var schedule = set$2(this, id), + tween = schedule.tween; + + // If this node shared tween with the previous node, + // just assign the updated shared tween and we’re done! + // Otherwise, copy-on-write. + if (tween !== tween0) { + tween1 = (tween0 = tween).slice(); + for (var t = {name: name, value: value}, i = 0, n = tween1.length; i < n; ++i) { + if (tween1[i].name === name) { + tween1[i] = t; + break; + } + } + if (i === n) tween1.push(t); + } + + schedule.tween = tween1; + }; + } + + function transition_tween(name, value) { + var id = this._id; + + name += ""; + + if (arguments.length < 2) { + var tween = get$1(this.node(), id).tween; + for (var i = 0, n = tween.length, t; i < n; ++i) { + if ((t = tween[i]).name === name) { + return t.value; + } + } + return null; + } + + return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); + } + + function tweenValue(transition, name, value) { + var id = transition._id; + + transition.each(function() { + var schedule = set$2(this, id); + (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); + }); + + return function(node) { + return get$1(node, id).value[name]; + }; + } + + function interpolate$1(a, b) { + var c; + return (typeof b === "number" ? interpolateNumber + : b instanceof color ? interpolateRgb + : (c = color(b)) ? (b = c, interpolateRgb) + : interpolateString)(a, b); + } + + function attrRemove$1(name) { + return function() { + this.removeAttribute(name); + }; + } + + function attrRemoveNS$1(fullname) { + return function() { + this.removeAttributeNS(fullname.space, fullname.local); + }; + } + + function attrConstant$1(name, interpolate, value1) { + var value00, + interpolate0; + return function() { + var value0 = this.getAttribute(name); + return value0 === value1 ? null + : value0 === value00 ? interpolate0 + : interpolate0 = interpolate(value00 = value0, value1); + }; + } + + function attrConstantNS$1(fullname, interpolate, value1) { + var value00, + interpolate0; + return function() { + var value0 = this.getAttributeNS(fullname.space, fullname.local); + return value0 === value1 ? null + : value0 === value00 ? interpolate0 + : interpolate0 = interpolate(value00 = value0, value1); + }; + } + + function attrFunction$1(name, interpolate, value) { + var value00, + value10, + interpolate0; + return function() { + var value0, value1 = value(this); + if (value1 == null) return void this.removeAttribute(name); + value0 = this.getAttribute(name); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate(value00 = value0, value10 = value1); + }; + } + + function attrFunctionNS$1(fullname, interpolate, value) { + var value00, + value10, + interpolate0; + return function() { + var value0, value1 = value(this); + if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local); + value0 = this.getAttributeNS(fullname.space, fullname.local); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate(value00 = value0, value10 = value1); + }; + } + + function transition_attr(name, value) { + var fullname = namespace(name), i = fullname === "transform" ? interpolateTransform$2 : interpolate$1; + return this.attrTween(name, typeof value === "function" + ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) + : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) + : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); + } + + function attrTweenNS(fullname, value) { + function tween() { + var node = this, i = value.apply(node, arguments); + return i && function(t) { + node.setAttributeNS(fullname.space, fullname.local, i(t)); + }; + } + tween._value = value; + return tween; + } + + function attrTween(name, value) { + function tween() { + var node = this, i = value.apply(node, arguments); + return i && function(t) { + node.setAttribute(name, i(t)); + }; + } + tween._value = value; + return tween; + } + + function transition_attrTween(name, value) { + var key = "attr." + name; + if (arguments.length < 2) return (key = this.tween(key)) && key._value; + if (value == null) return this.tween(key, null); + if (typeof value !== "function") throw new Error; + var fullname = namespace(name); + return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value)); + } + + function delayFunction(id, value) { + return function() { + init(this, id).delay = +value.apply(this, arguments); + }; + } + + function delayConstant(id, value) { + return value = +value, function() { + init(this, id).delay = value; + }; + } + + function transition_delay(value) { + var id = this._id; + + return arguments.length + ? this.each((typeof value === "function" + ? delayFunction + : delayConstant)(id, value)) + : get$1(this.node(), id).delay; + } + + function durationFunction(id, value) { + return function() { + set$2(this, id).duration = +value.apply(this, arguments); + }; + } + + function durationConstant(id, value) { + return value = +value, function() { + set$2(this, id).duration = value; + }; + } + + function transition_duration(value) { + var id = this._id; + + return arguments.length + ? this.each((typeof value === "function" + ? durationFunction + : durationConstant)(id, value)) + : get$1(this.node(), id).duration; + } + + function easeConstant(id, value) { + if (typeof value !== "function") throw new Error; + return function() { + set$2(this, id).ease = value; + }; + } + + function transition_ease(value) { + var id = this._id; + + return arguments.length + ? this.each(easeConstant(id, value)) + : get$1(this.node(), id).ease; + } + + function transition_filter(match) { + if (typeof match !== "function") match = matcher$1(match); + + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { + if ((node = group[i]) && match.call(node, node.__data__, i, group)) { + subgroup.push(node); + } + } + } + + return new Transition(subgroups, this._parents, this._name, this._id); + } + + function transition_merge(transition) { + if (transition._id !== this._id) throw new Error; + + for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group0[i] || group1[i]) { + merge[i] = node; + } + } + } + + for (; j < m0; ++j) { + merges[j] = groups0[j]; + } + + return new Transition(merges, this._parents, this._name, this._id); + } + + function start$1(name) { + return (name + "").trim().split(/^|\s+/).every(function(t) { + var i = t.indexOf("."); + if (i >= 0) t = t.slice(0, i); + return !t || t === "start"; + }); + } + + function onFunction(id, name, listener) { + var on0, on1, sit = start$1(name) ? init : set$2; + return function() { + var schedule = sit(this, id), + on = schedule.on; + + // If this node shared a dispatch with the previous node, + // just assign the updated shared dispatch and we’re done! + // Otherwise, copy-on-write. + if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener); + + schedule.on = on1; + }; + } + + function transition_on(name, listener) { + var id = this._id; + + return arguments.length < 2 + ? get$1(this.node(), id).on.on(name) + : this.each(onFunction(id, name, listener)); + } + + function removeFunction(id) { + return function() { + var parent = this.parentNode; + for (var i in this.__transition) if (+i !== id) return; + if (parent) parent.removeChild(this); + }; + } + + function transition_remove() { + return this.on("end.remove", removeFunction(this._id)); + } + + function transition_select(select) { + var name = this._name, + id = this._id; + + if (typeof select !== "function") select = selector(select); + + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { + if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { + if ("__data__" in node) subnode.__data__ = node.__data__; + subgroup[i] = subnode; + schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); + } + } + } + + return new Transition(subgroups, this._parents, name, id); + } + + function transition_selectAll(select) { + var name = this._name, + id = this._id; + + if (typeof select !== "function") select = selectorAll(select); + + for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + for (var children = select.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { + if (child = children[k]) { + schedule(child, name, id, k, children, inherit); + } + } + subgroups.push(children); + parents.push(node); + } + } + } + + return new Transition(subgroups, parents, name, id); + } + + var Selection$1 = selection.prototype.constructor; + + function transition_selection() { + return new Selection$1(this._groups, this._parents); + } + + function styleRemove$1(name, interpolate) { + var value00, + value10, + interpolate0; + return function() { + var style = window(this).getComputedStyle(this, null), + value0 = style.getPropertyValue(name), + value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate(value00 = value0, value10 = value1); + }; + } + + function styleRemoveEnd(name) { + return function() { + this.style.removeProperty(name); + }; + } + + function styleConstant$1(name, interpolate, value1) { + var value00, + interpolate0; + return function() { + var value0 = window(this).getComputedStyle(this, null).getPropertyValue(name); + return value0 === value1 ? null + : value0 === value00 ? interpolate0 + : interpolate0 = interpolate(value00 = value0, value1); + }; + } + + function styleFunction$1(name, interpolate, value) { + var value00, + value10, + interpolate0; + return function() { + var style = window(this).getComputedStyle(this, null), + value0 = style.getPropertyValue(name), + value1 = value(this); + if (value1 == null) value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate(value00 = value0, value10 = value1); + }; + } + + function transition_style(name, value, priority) { + var i = (name += "") === "transform" ? interpolateTransform$1 : interpolate$1; + return value == null ? this + .styleTween(name, styleRemove$1(name, i)) + .on("end.style." + name, styleRemoveEnd(name)) + : this.styleTween(name, typeof value === "function" + ? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) + : styleConstant$1(name, i, value), priority); + } + + function styleTween(name, value, priority) { + function tween() { + var node = this, i = value.apply(node, arguments); + return i && function(t) { + node.style.setProperty(name, i(t), priority); + }; + } + tween._value = value; + return tween; + } + + function transition_styleTween(name, value, priority) { + var key = "style." + (name += ""); + if (arguments.length < 2) return (key = this.tween(key)) && key._value; + if (value == null) return this.tween(key, null); + if (typeof value !== "function") throw new Error; + return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); + } + + function textConstant$1(value) { + return function() { + this.textContent = value; + }; + } + + function textFunction$1(value) { + return function() { + var value1 = value(this); + this.textContent = value1 == null ? "" : value1; + }; + } + + function transition_text(value) { + return this.tween("text", typeof value === "function" + ? textFunction$1(tweenValue(this, "text", value)) + : textConstant$1(value == null ? "" : value + "")); + } + + function transition_transition() { + var name = this._name, + id0 = this._id, + id1 = newId(); + + for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + var inherit = get$1(node, id0); + schedule(node, name, id1, i, group, { + time: inherit.time + inherit.delay + inherit.duration, + delay: 0, + duration: inherit.duration, + ease: inherit.ease + }); + } + } + } + + return new Transition(groups, this._parents, name, id1); + } + + var id = 0; + + function Transition(groups, parents, name, id) { + this._groups = groups; + this._parents = parents; + this._name = name; + this._id = id; + } + + function transition(name) { + return selection().transition(name); + } + + function newId() { + return ++id; + } + + var selection_prototype = selection.prototype; + + Transition.prototype = transition.prototype = { + constructor: Transition, + select: transition_select, + selectAll: transition_selectAll, + filter: transition_filter, + merge: transition_merge, + selection: transition_selection, + transition: transition_transition, + call: selection_prototype.call, + nodes: selection_prototype.nodes, + node: selection_prototype.node, + size: selection_prototype.size, + empty: selection_prototype.empty, + each: selection_prototype.each, + on: transition_on, + attr: transition_attr, + attrTween: transition_attrTween, + style: transition_style, + styleTween: transition_styleTween, + text: transition_text, + remove: transition_remove, + tween: transition_tween, + delay: transition_delay, + duration: transition_duration, + ease: transition_ease + }; + + var defaultTiming = { + time: null, // Set on use. + delay: 0, + duration: 250, + ease: easeCubicInOut + }; + + function inherit(node, id) { + var timing; + while (!(timing = node.__transition) || !(timing = timing[id])) { + if (!(node = node.parentNode)) { + return defaultTiming.time = now(), defaultTiming; + } + } + return timing; + } + + function selection_transition(name) { + var id, + timing; + + if (name instanceof Transition) { + id = name._id, name = name._name; + } else { + id = newId(), (timing = defaultTiming).time = now(), name = name == null ? null : name + ""; + } + + for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + schedule(node, name, id, i, group, timing || inherit(node, id)); + } + } + } + + return new Transition(groups, this._parents, name, id); + } + + selection.prototype.interrupt = selection_interrupt; + selection.prototype.transition = selection_transition; + + var root$1 = [null]; + + function active(node, name) { + var schedules = node.__transition, + schedule, + i; + + if (schedules) { + name = name == null ? null : name + ""; + for (i in schedules) { + if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { + return new Transition([[node]], root$1, name, +i); + } + } + } + + return null; + } + + var slice$4 = Array.prototype.slice; + + function identity$5(x) { + return x; + } + + var top = 1; + var right = 2; + var bottom = 3; + var left = 4; +var epsilon$2 = 1e-6; + function translateX(scale0, scale1, d) { + var x = scale0(d); + return "translate(" + (isFinite(x) ? x : scale1(d)) + ",0)"; + } + + function translateY(scale0, scale1, d) { + var y = scale0(d); + return "translate(0," + (isFinite(y) ? y : scale1(d)) + ")"; + } + + function center(scale) { + var width = scale.bandwidth() / 2; + return function(d) { + return scale(d) + width; + }; + } + + function entering() { + return !this.__axis; + } + + function axis(orient, scale) { + var tickArguments = [], + tickValues = null, + tickFormat = null, + tickSizeInner = 6, + tickSizeOuter = 6, + tickPadding = 3; + + function axis(context) { + var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues, + format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$5) : tickFormat, + spacing = Math.max(tickSizeInner, 0) + tickPadding, + transform = orient === top || orient === bottom ? translateX : translateY, + range = scale.range(), + range0 = range[0] + 0.5, + range1 = range[range.length - 1] + 0.5, + position = (scale.bandwidth ? center : identity$5)(scale.copy()), + selection = context.selection ? context.selection() : context, + path = selection.selectAll(".domain").data([null]), + tick = selection.selectAll(".tick").data(values, scale).order(), + tickExit = tick.exit(), + tickEnter = tick.enter().append("g").attr("class", "tick"), + line = tick.select("line"), + text = tick.select("text"), + k = orient === top || orient === left ? -1 : 1, + x, y = orient === left || orient === right ? (x = "x", "y") : (x = "y", "x"); + + path = path.merge(path.enter().insert("path", ".tick") + .attr("class", "domain") + .attr("stroke", "#000")); + + tick = tick.merge(tickEnter); + + line = line.merge(tickEnter.append("line") + .attr("stroke", "#000") + .attr(x + "2", k * tickSizeInner) + .attr(y + "1", 0.5) + .attr(y + "2", 0.5)); + + text = text.merge(tickEnter.append("text") + .attr("fill", "#000") + .attr(x, k * spacing) + .attr(y, 0.5) + .attr("dy", orient === top ? "0em" : orient === bottom ? ".71em" : ".32em")); + + if (context !== selection) { + path = path.transition(context); + tick = tick.transition(context); + line = line.transition(context); + text = text.transition(context); + + tickExit = tickExit.transition(context) + .attr("opacity", epsilon$2) + .attr("transform", function(d) { return transform(position, this.parentNode.__axis || position, d); }); + + tickEnter + .attr("opacity", epsilon$2) + .attr("transform", function(d) { return transform(this.parentNode.__axis || position, position, d); }); + } + + tickExit.remove(); + + path + .attr("d", orient === left || orient == right + ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter + : "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter); + + tick + .attr("opacity", 1) + .attr("transform", function(d) { return transform(position, position, d); }); + + line + .attr(x + "2", k * tickSizeInner); + + text + .attr(x, k * spacing) + .text(format); + + selection.filter(entering) + .attr("fill", "none") + .attr("font-size", 10) + .attr("font-family", "sans-serif") + .attr("text-anchor", orient === right ? "start" : orient === left ? "end" : "middle"); + + selection + .each(function() { this.__axis = position; }); + } + + axis.scale = function(_) { + return arguments.length ? (scale = _, axis) : scale; + }; + + axis.ticks = function() { + return tickArguments = slice$4.call(arguments), axis; + }; + + axis.tickArguments = function(_) { + return arguments.length ? (tickArguments = _ == null ? [] : slice$4.call(_), axis) : tickArguments.slice(); + }; + + axis.tickValues = function(_) { + return arguments.length ? (tickValues = _ == null ? null : slice$4.call(_), axis) : tickValues && tickValues.slice(); + }; + + axis.tickFormat = function(_) { + return arguments.length ? (tickFormat = _, axis) : tickFormat; + }; + + axis.tickSize = function(_) { + return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner; + }; + + axis.tickSizeInner = function(_) { + return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner; + }; + + axis.tickSizeOuter = function(_) { + return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter; + }; + + axis.tickPadding = function(_) { + return arguments.length ? (tickPadding = +_, axis) : tickPadding; + }; + + return axis; + } + + function axisTop(scale) { + return axis(top, scale); + } + + function axisRight(scale) { + return axis(right, scale); + } + + function axisBottom(scale) { + return axis(bottom, scale); + } + + function axisLeft(scale) { + return axis(left, scale); + } + + function defaultSeparation(a, b) { + return a.parent === b.parent ? 1 : 2; + } + + function meanX(children) { + return children.reduce(meanXReduce, 0) / children.length; + } + + function meanXReduce(x, c) { + return x + c.x; + } + + function maxY(children) { + return 1 + children.reduce(maxYReduce, 0); + } + + function maxYReduce(y, c) { + return Math.max(y, c.y); + } + + function leafLeft(node) { + var children; + while (children = node.children) node = children[0]; + return node; + } + + function leafRight(node) { + var children; + while (children = node.children) node = children[children.length - 1]; + return node; + } + + function cluster() { + var separation = defaultSeparation, + dx = 1, + dy = 1, + nodeSize = false; + + function cluster(root) { + var previousNode, + x = 0; + + // First walk, computing the initial x & y values. + root.eachAfter(function(node) { + var children = node.children; + if (children) { + node.x = meanX(children); + node.y = maxY(children); + } else { + node.x = previousNode ? x += separation(node, previousNode) : 0; + node.y = 0; + previousNode = node; + } + }); + + var left = leafLeft(root), + right = leafRight(root), + x0 = left.x - separation(left, right) / 2, + x1 = right.x + separation(right, left) / 2; + + // Second walk, normalizing x & y to the desired size. + return root.eachAfter(nodeSize ? function(node) { + node.x = (node.x - root.x) * dx; + node.y = (root.y - node.y) * dy; + } : function(node) { + node.x = (node.x - x0) / (x1 - x0) * dx; + node.y = (1 - (root.y ? node.y / root.y : 1)) * dy; + }); + } + + cluster.separation = function(x) { + return arguments.length ? (separation = x, cluster) : separation; + }; + + cluster.size = function(x) { + return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? null : [dx, dy]); + }; + + cluster.nodeSize = function(x) { + return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? [dx, dy] : null); + }; + + return cluster; + } + + function node_each(callback) { + var node = this, current, next = [node], children, i, n; + do { + current = next.reverse(), next = []; + while (node = current.pop()) { + callback(node), children = node.children; + if (children) for (i = 0, n = children.length; i < n; ++i) { + next.push(children[i]); + } + } + } while (next.length); + return this; + } + + function node_eachBefore(callback) { + var node = this, nodes = [node], children, i; + while (node = nodes.pop()) { + callback(node), children = node.children; + if (children) for (i = children.length - 1; i >= 0; --i) { + nodes.push(children[i]); + } + } + return this; + } + + function node_eachAfter(callback) { + var node = this, nodes = [node], next = [], children, i, n; + while (node = nodes.pop()) { + next.push(node), children = node.children; + if (children) for (i = 0, n = children.length; i < n; ++i) { + nodes.push(children[i]); + } + } + while (node = next.pop()) { + callback(node); + } + return this; + } + + function node_sum(value) { + return this.eachAfter(function(node) { + var sum = +value(node.data) || 0, + children = node.children, + i = children && children.length; + while (--i >= 0) sum += children[i].value; + node.value = sum; + }); + } + + function node_sort(compare) { + return this.eachBefore(function(node) { + if (node.children) { + node.children.sort(compare); + } + }); + } + + function node_path(end) { + var start = this, + ancestor = leastCommonAncestor(start, end), + nodes = [start]; + while (start !== ancestor) { + start = start.parent; + nodes.push(start); + } + var k = nodes.length; + while (end !== ancestor) { + nodes.splice(k, 0, end); + end = end.parent; + } + return nodes; + } + + function leastCommonAncestor(a, b) { + if (a === b) return a; + var aNodes = a.ancestors(), + bNodes = b.ancestors(), + c = null; + a = aNodes.pop(); + b = bNodes.pop(); + while (a === b) { + c = a; + a = aNodes.pop(); + b = bNodes.pop(); + } + return c; + } + + function node_ancestors() { + var node = this, nodes = [node]; + while (node = node.parent) { + nodes.push(node); + } + return nodes; + } + + function node_descendants() { + var nodes = []; + this.each(function(node) { + nodes.push(node); + }); + return nodes; + } + + function node_leaves() { + var leaves = []; + this.eachBefore(function(node) { + if (!node.children) { + leaves.push(node); + } + }); + return leaves; + } + + function node_links() { + var root = this, links = []; + root.each(function(node) { + if (node !== root) { // Don’t include the root’s parent, if any. + links.push({source: node.parent, target: node}); + } + }); + return links; + } + + function hierarchy(data, children) { + var root = new Node(data), + valued = +data.value && (root.value = data.value), + node, + nodes = [root], + child, + childs, + i, + n; + + if (children == null) children = defaultChildren; + + while (node = nodes.pop()) { + if (valued) node.value = +node.data.value; + if ((childs = children(node.data)) && (n = childs.length)) { + node.children = new Array(n); + for (i = n - 1; i >= 0; --i) { + nodes.push(child = node.children[i] = new Node(childs[i])); + child.parent = node; + child.depth = node.depth + 1; + } + } + } + + return root.eachBefore(computeHeight); + } + + function node_copy() { + return hierarchy(this).eachBefore(copyData); + } + + function defaultChildren(d) { + return d.children; + } + + function copyData(node) { + node.data = node.data.data; + } + + function computeHeight(node) { + var height = 0; + do node.height = height; + while ((node = node.parent) && (node.height < ++height)); + } + + function Node(data) { + this.data = data; + this.depth = + this.height = 0; + this.parent = null; + } + + Node.prototype = hierarchy.prototype = { + constructor: Node, + each: node_each, + eachAfter: node_eachAfter, + eachBefore: node_eachBefore, + sum: node_sum, + sort: node_sort, + path: node_path, + ancestors: node_ancestors, + descendants: node_descendants, + leaves: node_leaves, + links: node_links, + copy: node_copy + }; + + function Node$2(value) { + this._ = value; + this.next = null; + } + + function shuffle$1(array) { + var i, + n = (array = array.slice()).length, + head = null, + node = head; + + while (n) { + var next = new Node$2(array[n - 1]); + if (node) node = node.next = next; + else node = head = next; + array[i] = array[--n]; + } + + return { + head: head, + tail: node + }; + } + + function enclose(circles) { + return encloseN(shuffle$1(circles), []); + } + + function encloses(a, b) { + var dx = b.x - a.x, + dy = b.y - a.y, + dr = a.r - b.r; + return dr * dr + 1e-6 > dx * dx + dy * dy; + } + + // Returns the smallest circle that contains circles L and intersects circles B. + function encloseN(L, B) { + var circle, + l0 = null, + l1 = L.head, + l2, + p1; + + switch (B.length) { + case 1: circle = enclose1(B[0]); break; + case 2: circle = enclose2(B[0], B[1]); break; + case 3: circle = enclose3(B[0], B[1], B[2]); break; + } + + while (l1) { + p1 = l1._, l2 = l1.next; + if (!circle || !encloses(circle, p1)) { + + // Temporarily truncate L before l1. + if (l0) L.tail = l0, l0.next = null; + else L.head = L.tail = null; + + B.push(p1); + circle = encloseN(L, B); // Note: reorders L! + B.pop(); + + // Move l1 to the front of L and reconnect the truncated list L. + if (L.head) l1.next = L.head, L.head = l1; + else l1.next = null, L.head = L.tail = l1; + l0 = L.tail, l0.next = l2; + + } else { + l0 = l1; + } + l1 = l2; + } + + L.tail = l0; + return circle; + } + + function enclose1(a) { + return { + x: a.x, + y: a.y, + r: a.r + }; + } + + function enclose2(a, b) { + var x1 = a.x, y1 = a.y, r1 = a.r, + x2 = b.x, y2 = b.y, r2 = b.r, + x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1, + l = Math.sqrt(x21 * x21 + y21 * y21); + return { + x: (x1 + x2 + x21 / l * r21) / 2, + y: (y1 + y2 + y21 / l * r21) / 2, + r: (l + r1 + r2) / 2 + }; + } + + function enclose3(a, b, c) { + var x1 = a.x, y1 = a.y, r1 = a.r, + x2 = b.x, y2 = b.y, r2 = b.r, + x3 = c.x, y3 = c.y, r3 = c.r, + a2 = 2 * (x1 - x2), + b2 = 2 * (y1 - y2), + c2 = 2 * (r2 - r1), + d2 = x1 * x1 + y1 * y1 - r1 * r1 - x2 * x2 - y2 * y2 + r2 * r2, + a3 = 2 * (x1 - x3), + b3 = 2 * (y1 - y3), + c3 = 2 * (r3 - r1), + d3 = x1 * x1 + y1 * y1 - r1 * r1 - x3 * x3 - y3 * y3 + r3 * r3, + ab = a3 * b2 - a2 * b3, + xa = (b2 * d3 - b3 * d2) / ab - x1, + xb = (b3 * c2 - b2 * c3) / ab, + ya = (a3 * d2 - a2 * d3) / ab - y1, + yb = (a2 * c3 - a3 * c2) / ab, + A = xb * xb + yb * yb - 1, + B = 2 * (xa * xb + ya * yb + r1), + C = xa * xa + ya * ya - r1 * r1, + r = (-B - Math.sqrt(B * B - 4 * A * C)) / (2 * A); + return { + x: xa + xb * r + x1, + y: ya + yb * r + y1, + r: r + }; + } + + function place(a, b, c) { + var ax = a.x, + ay = a.y, + da = b.r + c.r, + db = a.r + c.r, + dx = b.x - ax, + dy = b.y - ay, + dc = dx * dx + dy * dy; + if (dc) { + var x = 0.5 + ((db *= db) - (da *= da)) / (2 * dc), + y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); + c.x = ax + x * dx + y * dy; + c.y = ay + x * dy - y * dx; + } else { + c.x = ax + db; + c.y = ay; + } + } + + function intersects(a, b) { + var dx = b.x - a.x, + dy = b.y - a.y, + dr = a.r + b.r; + return dr * dr > dx * dx + dy * dy; + } + + function distance2(circle, x, y) { + var dx = circle.x - x, + dy = circle.y - y; + return dx * dx + dy * dy; + } + + function Node$1(circle) { + this._ = circle; + this.next = null; + this.previous = null; + } + + function packEnclose(circles) { + if (!(n = circles.length)) return 0; + + var a, b, c, n; + + // Place the first circle. + a = circles[0], a.x = 0, a.y = 0; + if (!(n > 1)) return a.r; + + // Place the second circle. + b = circles[1], a.x = -b.r, b.x = a.r, b.y = 0; + if (!(n > 2)) return a.r + b.r; + + // Place the third circle. + place(b, a, c = circles[2]); + + // Initialize the weighted centroid. + var aa = a.r * a.r, + ba = b.r * b.r, + ca = c.r * c.r, + oa = aa + ba + ca, + ox = aa * a.x + ba * b.x + ca * c.x, + oy = aa * a.y + ba * b.y + ca * c.y, + cx, cy, i, j, k, sj, sk; + + // Initialize the front-chain using the first three circles a, b and c. + a = new Node$1(a), b = new Node$1(b), c = new Node$1(c); + a.next = c.previous = b; + b.next = a.previous = c; + c.next = b.previous = a; + + // Attempt to place each remaining circle… + pack: for (i = 3; i < n; ++i) { + place(a._, b._, c = circles[i]), c = new Node$1(c); + + // If there are only three elements in the front-chain… + if ((k = a.previous) === (j = b.next)) { + // If the new circle intersects the third circle, + // rotate the front chain to try the next position. + if (intersects(j._, c._)) { + a = b, b = j, --i; + continue pack; + } + } + + // Find the closest intersecting circle on the front-chain, if any. + else { + sj = j._.r, sk = k._.r; + do { + if (sj <= sk) { + if (intersects(j._, c._)) { + b = j, a.next = b, b.previous = a, --i; + continue pack; + } + j = j.next, sj += j._.r; + } else { + if (intersects(k._, c._)) { + a = k, a.next = b, b.previous = a, --i; + continue pack; + } + k = k.previous, sk += k._.r; + } + } while (j !== k.next); + } + + // Success! Insert the new circle c between a and b. + c.previous = a, c.next = b, a.next = b.previous = b = c; + + // Update the weighted centroid. + oa += ca = c._.r * c._.r; + ox += ca * c._.x; + oy += ca * c._.y; + + // Compute the new closest circle a to centroid. + aa = distance2(a._, cx = ox / oa, cy = oy / oa); + while ((c = c.next) !== b) { + if ((ca = distance2(c._, cx, cy)) < aa) { + a = c, aa = ca; + } + } + b = a.next; + } + + // Compute the enclosing circle of the front chain. + a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a); + + // Translate the circles to put the enclosing circle around the origin. + for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y; + + return c.r; + } + + function siblings(circles) { + packEnclose(circles); + return circles; + } + + function optional(f) { + return f == null ? null : required(f); + } + + function required(f) { + if (typeof f !== "function") throw new Error; + return f; + } + + function constantZero() { + return 0; + } + + function constant$5(x) { + return function() { + return x; + }; + } + + function defaultRadius(d) { + return Math.sqrt(d.value); + } + + function index() { + var radius = null, + dx = 1, + dy = 1, + padding = constantZero; + + function pack(root) { + root.x = dx / 2, root.y = dy / 2; + if (radius) { + root.eachBefore(radiusLeaf(radius)) + .eachAfter(packChildren(padding, 0.5)) + .eachBefore(translateChild(1)); + } else { + root.eachBefore(radiusLeaf(defaultRadius)) + .eachAfter(packChildren(constantZero, 1)) + .eachAfter(packChildren(padding, root.r / Math.min(dx, dy))) + .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r))); + } + return root; + } + + pack.radius = function(x) { + return arguments.length ? (radius = optional(x), pack) : radius; + }; + + pack.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], pack) : [dx, dy]; + }; + + pack.padding = function(x) { + return arguments.length ? (padding = typeof x === "function" ? x : constant$5(+x), pack) : padding; + }; + + return pack; + } + + function radiusLeaf(radius) { + return function(node) { + if (!node.children) { + node.r = Math.max(0, +radius(node) || 0); + } + }; + } + + function packChildren(padding, k) { + return function(node) { + if (children = node.children) { + var children, + i, + n = children.length, + r = padding(node) * k || 0, + e; + + if (r) for (i = 0; i < n; ++i) children[i].r += r; + e = packEnclose(children); + if (r) for (i = 0; i < n; ++i) children[i].r -= r; + node.r = e + r; + } + }; + } + + function translateChild(k) { + return function(node) { + var parent = node.parent; + node.r *= k; + if (parent) { + node.x = parent.x + k * node.x; + node.y = parent.y + k * node.y; + } + }; + } + + function roundNode(node) { + node.x0 = Math.round(node.x0); + node.y0 = Math.round(node.y0); + node.x1 = Math.round(node.x1); + node.y1 = Math.round(node.y1); + } + + function treemapDice(parent, x0, y0, x1, y1) { + var nodes = parent.children, + node, + i = -1, + n = nodes.length, + k = parent.value && (x1 - x0) / parent.value; + + while (++i < n) { + node = nodes[i], node.y0 = y0, node.y1 = y1; + node.x0 = x0, node.x1 = x0 += node.value * k; + } + } + + function partition() { + var dx = 1, + dy = 1, + padding = 0, + round = false; + + function partition(root) { + var n = root.height + 1; + root.x0 = + root.y0 = padding; + root.x1 = dx; + root.y1 = dy / n; + root.eachBefore(positionNode(dy, n)); + if (round) root.eachBefore(roundNode); + return root; + } + + function positionNode(dy, n) { + return function(node) { + if (node.children) { + treemapDice(node, node.x0, dy * (node.depth + 1) / n, node.x1, dy * (node.depth + 2) / n); + } + var x0 = node.x0, + y0 = node.y0, + x1 = node.x1 - padding, + y1 = node.y1 - padding; + if (x1 < x0) x0 = x1 = (x0 + x1) / 2; + if (y1 < y0) y0 = y1 = (y0 + y1) / 2; + node.x0 = x0; + node.y0 = y0; + node.x1 = x1; + node.y1 = y1; + }; + } + + partition.round = function(x) { + return arguments.length ? (round = !!x, partition) : round; + }; + + partition.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], partition) : [dx, dy]; + }; + + partition.padding = function(x) { + return arguments.length ? (padding = +x, partition) : padding; + }; + + return partition; + } + +var keyPrefix$1 = "$"; + var preroot = {depth: -1}; + var ambiguous = {}; + function defaultId(d) { + return d.id; + } + + function defaultParentId(d) { + return d.parentId; + } + + function stratify() { + var id = defaultId, + parentId = defaultParentId; + + function stratify(data) { + var d, + i, + n = data.length, + root, + parent, + node, + nodes = new Array(n), + nodeId, + nodeKey, + nodeByKey = {}; + + for (i = 0; i < n; ++i) { + d = data[i], node = nodes[i] = new Node(d); + if ((nodeId = id(d, i, data)) != null && (nodeId += "")) { + nodeKey = keyPrefix$1 + (node.id = nodeId); + nodeByKey[nodeKey] = nodeKey in nodeByKey ? ambiguous : node; + } + } + + for (i = 0; i < n; ++i) { + node = nodes[i], nodeId = parentId(data[i], i, data); + if (nodeId == null || !(nodeId += "")) { + if (root) throw new Error("multiple roots"); + root = node; + } else { + parent = nodeByKey[keyPrefix$1 + nodeId]; + if (!parent) throw new Error("missing: " + nodeId); + if (parent === ambiguous) throw new Error("ambiguous: " + nodeId); + if (parent.children) parent.children.push(node); + else parent.children = [node]; + node.parent = parent; + } + } + + if (!root) throw new Error("no root"); + root.parent = preroot; + root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight); + root.parent = null; + if (n > 0) throw new Error("cycle"); + + return root; + } + + stratify.id = function(x) { + return arguments.length ? (id = required(x), stratify) : id; + }; + + stratify.parentId = function(x) { + return arguments.length ? (parentId = required(x), stratify) : parentId; + }; + + return stratify; + } + + function defaultSeparation$1(a, b) { + return a.parent === b.parent ? 1 : 2; + } + + // function radialSeparation(a, b) { + // return (a.parent === b.parent ? 1 : 2) / a.depth; + // } + + // This function is used to traverse the left contour of a subtree (or + // subforest). It returns the successor of v on this contour. This successor is + // either given by the leftmost child of v or by the thread of v. The function + // returns null if and only if v is on the highest level of its subtree. + function nextLeft(v) { + var children = v.children; + return children ? children[0] : v.t; + } + + // This function works analogously to nextLeft. + function nextRight(v) { + var children = v.children; + return children ? children[children.length - 1] : v.t; + } + + // Shifts the current subtree rooted at w+. This is done by increasing + // prelim(w+) and mod(w+) by shift. + function moveSubtree(wm, wp, shift) { + var change = shift / (wp.i - wm.i); + wp.c -= change; + wp.s += shift; + wm.c += change; + wp.z += shift; + wp.m += shift; + } + + // All other shifts, applied to the smaller subtrees between w- and w+, are + // performed by this function. To prepare the shifts, we have to adjust + // change(w+), shift(w+), and change(w-). + function executeShifts(v) { + var shift = 0, + change = 0, + children = v.children, + i = children.length, + w; + while (--i >= 0) { + w = children[i]; + w.z += shift; + w.m += shift; + shift += w.s + (change += w.c); + } + } + + // If vi-’s ancestor is a sibling of v, returns vi-’s ancestor. Otherwise, + // returns the specified (default) ancestor. + function nextAncestor(vim, v, ancestor) { + return vim.a.parent === v.parent ? vim.a : ancestor; + } + + function TreeNode(node, i) { + this._ = node; + this.parent = null; + this.children = null; + this.A = null; // default ancestor + this.a = this; // ancestor + this.z = 0; // prelim + this.m = 0; // mod + this.c = 0; // change + this.s = 0; // shift + this.t = null; // thread + this.i = i; // number + } + + TreeNode.prototype = Object.create(Node.prototype); + + function treeRoot(root) { + var tree = new TreeNode(root, 0), + node, + nodes = [tree], + child, + children, + i, + n; + + while (node = nodes.pop()) { + if (children = node._.children) { + node.children = new Array(n = children.length); + for (i = n - 1; i >= 0; --i) { + nodes.push(child = node.children[i] = new TreeNode(children[i], i)); + child.parent = node; + } + } + } + + (tree.parent = new TreeNode(null, 0)).children = [tree]; + return tree; + } + + // Node-link tree diagram using the Reingold-Tilford "tidy" algorithm + function tree() { + var separation = defaultSeparation$1, + dx = 1, + dy = 1, + nodeSize = null; + + function tree(root) { + var t = treeRoot(root); + + // Compute the layout using Buchheim et al.’s algorithm. + t.eachAfter(firstWalk), t.parent.m = -t.z; + t.eachBefore(secondWalk); + + // If a fixed node size is specified, scale x and y. + if (nodeSize) root.eachBefore(sizeNode); + + // If a fixed tree size is specified, scale x and y based on the extent. + // Compute the left-most, right-most, and depth-most nodes for extents. + else { + var left = root, + right = root, + bottom = root; + root.eachBefore(function(node) { + if (node.x < left.x) left = node; + if (node.x > right.x) right = node; + if (node.depth > bottom.depth) bottom = node; + }); + var s = left === right ? 1 : separation(left, right) / 2, + tx = s - left.x, + kx = dx / (right.x + s + tx), + ky = dy / (bottom.depth || 1); + root.eachBefore(function(node) { + node.x = (node.x + tx) * kx; + node.y = node.depth * ky; + }); + } + + return root; + } + + // Computes a preliminary x-coordinate for v. Before that, FIRST WALK is + // applied recursively to the children of v, as well as the function + // APPORTION. After spacing out the children by calling EXECUTE SHIFTS, the + // node v is placed to the midpoint of its outermost children. + function firstWalk(v) { + var children = v.children, + siblings = v.parent.children, + w = v.i ? siblings[v.i - 1] : null; + if (children) { + executeShifts(v); + var midpoint = (children[0].z + children[children.length - 1].z) / 2; + if (w) { + v.z = w.z + separation(v._, w._); + v.m = v.z - midpoint; + } else { + v.z = midpoint; + } + } else if (w) { + v.z = w.z + separation(v._, w._); + } + v.parent.A = apportion(v, w, v.parent.A || siblings[0]); + } + + // Computes all real x-coordinates by summing up the modifiers recursively. + function secondWalk(v) { + v._.x = v.z + v.parent.m; + v.m += v.parent.m; + } + + // The core of the algorithm. Here, a new subtree is combined with the + // previous subtrees. Threads are used to traverse the inside and outside + // contours of the left and right subtree up to the highest common level. The + // vertices used for the traversals are vi+, vi-, vo-, and vo+, where the + // superscript o means outside and i means inside, the subscript - means left + // subtree and + means right subtree. For summing up the modifiers along the + // contour, we use respective variables si+, si-, so-, and so+. Whenever two + // nodes of the inside contours conflict, we compute the left one of the + // greatest uncommon ancestors using the function ANCESTOR and call MOVE + // SUBTREE to shift the subtree and prepare the shifts of smaller subtrees. + // Finally, we add a new thread (if necessary). + function apportion(v, w, ancestor) { + if (w) { + var vip = v, + vop = v, + vim = w, + vom = vip.parent.children[0], + sip = vip.m, + sop = vop.m, + sim = vim.m, + som = vom.m, + shift; + while (vim = nextRight(vim), vip = nextLeft(vip), vim && vip) { + vom = nextLeft(vom); + vop = nextRight(vop); + vop.a = v; + shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); + if (shift > 0) { + moveSubtree(nextAncestor(vim, v, ancestor), v, shift); + sip += shift; + sop += shift; + } + sim += vim.m; + sip += vip.m; + som += vom.m; + sop += vop.m; + } + if (vim && !nextRight(vop)) { + vop.t = vim; + vop.m += sim - sop; + } + if (vip && !nextLeft(vom)) { + vom.t = vip; + vom.m += sip - som; + ancestor = v; + } + } + return ancestor; + } + + function sizeNode(node) { + node.x *= dx; + node.y = node.depth * dy; + } + + tree.separation = function(x) { + return arguments.length ? (separation = x, tree) : separation; + }; + + tree.size = function(x) { + return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], tree) : (nodeSize ? null : [dx, dy]); + }; + + tree.nodeSize = function(x) { + return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], tree) : (nodeSize ? [dx, dy] : null); + }; + + return tree; + } + + function treemapSlice(parent, x0, y0, x1, y1) { + var nodes = parent.children, + node, + i = -1, + n = nodes.length, + k = parent.value && (y1 - y0) / parent.value; + + while (++i < n) { + node = nodes[i], node.x0 = x0, node.x1 = x1; + node.y0 = y0, node.y1 = y0 += node.value * k; + } + } + + var phi = (1 + Math.sqrt(5)) / 2; + + function squarifyRatio(ratio, parent, x0, y0, x1, y1) { + var rows = [], + nodes = parent.children, + row, + nodeValue, + i0 = 0, + i1, + n = nodes.length, + dx, dy, + value = parent.value, + sumValue, + minValue, + maxValue, + newRatio, + minRatio, + alpha, + beta; + + while (i0 < n) { + dx = x1 - x0, dy = y1 - y0; + minValue = maxValue = sumValue = nodes[i0].value; + alpha = Math.max(dy / dx, dx / dy) / (value * ratio); + beta = sumValue * sumValue * alpha; + minRatio = Math.max(maxValue / beta, beta / minValue); + + // Keep adding nodes while the aspect ratio maintains or improves. + for (i1 = i0 + 1; i1 < n; ++i1) { + sumValue += nodeValue = nodes[i1].value; + if (nodeValue < minValue) minValue = nodeValue; + if (nodeValue > maxValue) maxValue = nodeValue; + beta = sumValue * sumValue * alpha; + newRatio = Math.max(maxValue / beta, beta / minValue); + if (newRatio > minRatio) { sumValue -= nodeValue; break; } + minRatio = newRatio; + } + + // Position and record the row orientation. + rows.push(row = {value: sumValue, dice: dx < dy, children: nodes.slice(i0, i1)}); + if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += dy * sumValue / value : y1); + else treemapSlice(row, x0, y0, value ? x0 += dx * sumValue / value : x1, y1); + value -= sumValue, i0 = i1; + } + + return rows; + } + + var squarify = (function custom(ratio) { + + function squarify(parent, x0, y0, x1, y1) { + squarifyRatio(ratio, parent, x0, y0, x1, y1); + } + + squarify.ratio = function(x) { + return custom((x = +x) > 1 ? x : 1); + }; + + return squarify; + })(phi); + + function index$1() { + var tile = squarify, + round = false, + dx = 1, + dy = 1, + paddingStack = [0], + paddingInner = constantZero, + paddingTop = constantZero, + paddingRight = constantZero, + paddingBottom = constantZero, + paddingLeft = constantZero; + + function treemap(root) { + root.x0 = + root.y0 = 0; + root.x1 = dx; + root.y1 = dy; + root.eachBefore(positionNode); + paddingStack = [0]; + if (round) root.eachBefore(roundNode); + return root; + } + + function positionNode(node) { + var p = paddingStack[node.depth], + x0 = node.x0 + p, + y0 = node.y0 + p, + x1 = node.x1 - p, + y1 = node.y1 - p; + if (x1 < x0) x0 = x1 = (x0 + x1) / 2; + if (y1 < y0) y0 = y1 = (y0 + y1) / 2; + node.x0 = x0; + node.y0 = y0; + node.x1 = x1; + node.y1 = y1; + if (node.children) { + p = paddingStack[node.depth + 1] = paddingInner(node) / 2; + x0 += paddingLeft(node) - p; + y0 += paddingTop(node) - p; + x1 -= paddingRight(node) - p; + y1 -= paddingBottom(node) - p; + if (x1 < x0) x0 = x1 = (x0 + x1) / 2; + if (y1 < y0) y0 = y1 = (y0 + y1) / 2; + tile(node, x0, y0, x1, y1); + } + } + + treemap.round = function(x) { + return arguments.length ? (round = !!x, treemap) : round; + }; + + treemap.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], treemap) : [dx, dy]; + }; + + treemap.tile = function(x) { + return arguments.length ? (tile = required(x), treemap) : tile; + }; + + treemap.padding = function(x) { + return arguments.length ? treemap.paddingInner(x).paddingOuter(x) : treemap.paddingInner(); + }; + + treemap.paddingInner = function(x) { + return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$5(+x), treemap) : paddingInner; + }; + + treemap.paddingOuter = function(x) { + return arguments.length ? treemap.paddingTop(x).paddingRight(x).paddingBottom(x).paddingLeft(x) : treemap.paddingTop(); + }; + + treemap.paddingTop = function(x) { + return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$5(+x), treemap) : paddingTop; + }; + + treemap.paddingRight = function(x) { + return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$5(+x), treemap) : paddingRight; + }; + + treemap.paddingBottom = function(x) { + return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$5(+x), treemap) : paddingBottom; + }; + + treemap.paddingLeft = function(x) { + return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$5(+x), treemap) : paddingLeft; + }; + + return treemap; + } + + function binary(parent, x0, y0, x1, y1) { + var nodes = parent.children, + i, n = nodes.length, + sum, sums = new Array(n + 1); + + for (sums[0] = sum = i = 0; i < n; ++i) { + sums[i + 1] = sum += nodes[i].value; + } + + partition(0, n, parent.value, x0, y0, x1, y1); + + function partition(i, j, value, x0, y0, x1, y1) { + if (i >= j - 1) { + var node = nodes[i]; + node.x0 = x0, node.y0 = y0; + node.x1 = x1, node.y1 = y1; + return; + } + + var valueOffset = sums[i], + valueTarget = (value / 2) + valueOffset, + k = i + 1, + hi = j - 1; + + while (k < hi) { + var mid = k + hi >>> 1; + if (sums[mid] < valueTarget) k = mid + 1; + else hi = mid; + } + + var valueLeft = sums[k] - valueOffset, + valueRight = value - valueLeft; + + if ((y1 - y0) > (x1 - x0)) { + var yk = (y0 * valueRight + y1 * valueLeft) / value; + partition(i, k, valueLeft, x0, y0, x1, yk); + partition(k, j, valueRight, x0, yk, x1, y1); + } else { + var xk = (x0 * valueRight + x1 * valueLeft) / value; + partition(i, k, valueLeft, x0, y0, xk, y1); + partition(k, j, valueRight, xk, y0, x1, y1); + } + } + } + + function sliceDice(parent, x0, y0, x1, y1) { + (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); + } + + var resquarify = (function custom(ratio) { + + function resquarify(parent, x0, y0, x1, y1) { + if ((rows = parent._squarify) && (rows.ratio === ratio)) { + var rows, + row, + nodes, + i, + j = -1, + n, + m = rows.length, + value = parent.value; + + while (++j < m) { + row = rows[j], nodes = row.children; + for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value; + if (row.dice) treemapDice(row, x0, y0, x1, y0 += (y1 - y0) * row.value / value); + else treemapSlice(row, x0, y0, x0 += (x1 - x0) * row.value / value, y1); + value -= row.value; + } + } else { + parent._squarify = rows = squarifyRatio(ratio, parent, x0, y0, x1, y1); + rows.ratio = ratio; + } + } + + resquarify.ratio = function(x) { + return custom((x = +x) > 1 ? x : 1); + }; + + return resquarify; + })(phi); + + function center$1(x, y) { + var nodes; + + if (x == null) x = 0; + if (y == null) y = 0; + + function force() { + var i, + n = nodes.length, + node, + sx = 0, + sy = 0; + + for (i = 0; i < n; ++i) { + node = nodes[i], sx += node.x, sy += node.y; + } + + for (sx = sx / n - x, sy = sy / n - y, i = 0; i < n; ++i) { + node = nodes[i], node.x -= sx, node.y -= sy; + } + } + + force.initialize = function(_) { + nodes = _; + }; + + force.x = function(_) { + return arguments.length ? (x = +_, force) : x; + }; + + force.y = function(_) { + return arguments.length ? (y = +_, force) : y; + }; + + return force; + } + + function constant$6(x) { + return function() { + return x; + }; + } + + function jiggle() { + return (Math.random() - 0.5) * 1e-6; + } + + function x$1(d) { + return d.x + d.vx; + } + + function y$1(d) { + return d.y + d.vy; + } + + function collide(radius) { + var nodes, + radii, + strength = 1, + iterations = 1; + + if (typeof radius !== "function") radius = constant$6(radius == null ? 1 : +radius); + + function force() { + var i, n = nodes.length, + tree, + node, + xi, + yi, + ri, + ri2; + + for (var k = 0; k < iterations; ++k) { + tree = quadtree(nodes, x$1, y$1).visitAfter(prepare); + for (i = 0; i < n; ++i) { + node = nodes[i]; + ri = radii[i], ri2 = ri * ri; + xi = node.x + node.vx; + yi = node.y + node.vy; + tree.visit(apply); + } + } + + function apply(quad, x0, y0, x1, y1) { + var data = quad.data, rj = quad.r, r = ri + rj; + if (data) { + if (data.index > i) { + var x = xi - data.x - data.vx, + y = yi - data.y - data.vy, + l = x * x + y * y; + if (l < r * r) { + if (x === 0) x = jiggle(), l += x * x; + if (y === 0) y = jiggle(), l += y * y; + l = (r - (l = Math.sqrt(l))) / l * strength; + node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj)); + node.vy += (y *= l) * r; + data.vx -= x * (r = 1 - r); + data.vy -= y * r; + } + } + return; + } + return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r; + } + } + + function prepare(quad) { + if (quad.data) return quad.r = radii[quad.data.index]; + for (var i = quad.r = 0; i < 4; ++i) { + if (quad[i] && quad[i].r > quad.r) { + quad.r = quad[i].r; + } + } + } + + force.initialize = function(_) { + var i, n = (nodes = _).length; radii = new Array(n); + for (i = 0; i < n; ++i) radii[i] = +radius(nodes[i], i, nodes); + }; + + force.iterations = function(_) { + return arguments.length ? (iterations = +_, force) : iterations; + }; + + force.strength = function(_) { + return arguments.length ? (strength = +_, force) : strength; + }; + + force.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$6(+_), force) : radius; + }; + + return force; + } + + function index$2(d, i) { + return i; + } + + function link(links) { + var id = index$2, + strength = defaultStrength, + strengths, + distance = constant$6(30), + distances, + nodes, + count, + bias, + iterations = 1; + + if (links == null) links = []; + + function defaultStrength(link) { + return 1 / Math.min(count[link.source.index], count[link.target.index]); + } + + function force(alpha) { + for (var k = 0, n = links.length; k < iterations; ++k) { + for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) { + link = links[i], source = link.source, target = link.target; + x = target.x + target.vx - source.x - source.vx || jiggle(); + y = target.y + target.vy - source.y - source.vy || jiggle(); + l = Math.sqrt(x * x + y * y); + l = (l - distances[i]) / l * alpha * strengths[i]; + x *= l, y *= l; + target.vx -= x * (b = bias[i]); + target.vy -= y * b; + source.vx += x * (b = 1 - b); + source.vy += y * b; + } + } + } + + function initialize() { + if (!nodes) return; + + var i, + n = nodes.length, + m = links.length, + nodeById = map$1(nodes, id), + link; + + for (i = 0, count = new Array(n); i < n; ++i) { + count[i] = 0; + } + + for (i = 0; i < m; ++i) { + link = links[i], link.index = i; + if (typeof link.source !== "object") link.source = nodeById.get(link.source); + if (typeof link.target !== "object") link.target = nodeById.get(link.target); + ++count[link.source.index], ++count[link.target.index]; + } + + for (i = 0, bias = new Array(m); i < m; ++i) { + link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]); + } + + strengths = new Array(m), initializeStrength(); + distances = new Array(m), initializeDistance(); + } + + function initializeStrength() { + if (!nodes) return; + + for (var i = 0, n = links.length; i < n; ++i) { + strengths[i] = +strength(links[i], i, links); + } + } + + function initializeDistance() { + if (!nodes) return; + + for (var i = 0, n = links.length; i < n; ++i) { + distances[i] = +distance(links[i], i, links); + } + } + + force.initialize = function(_) { + nodes = _; + initialize(); + }; + + force.links = function(_) { + return arguments.length ? (links = _, initialize(), force) : links; + }; + + force.id = function(_) { + return arguments.length ? (id = _, force) : id; + }; + + force.iterations = function(_) { + return arguments.length ? (iterations = +_, force) : iterations; + }; + + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initializeStrength(), force) : strength; + }; + + force.distance = function(_) { + return arguments.length ? (distance = typeof _ === "function" ? _ : constant$6(+_), initializeDistance(), force) : distance; + }; + + return force; + } + + function x$2(d) { + return d.x; + } + + function y$2(d) { + return d.y; + } + + var initialRadius = 10; + var initialAngle = Math.PI * (3 - Math.sqrt(5)); + function simulation(nodes) { + var simulation, + alpha = 1, + alphaMin = 0.001, + alphaDecay = 1 - Math.pow(alphaMin, 1 / 300), + alphaTarget = 0, + velocityDecay = 0.6, + forces = map$1(), + stepper = timer(step), + event = dispatch("tick", "end"); + + if (nodes == null) nodes = []; + + function step() { + tick(); + event.call("tick", simulation); + if (alpha < alphaMin) { + stepper.stop(); + event.call("end", simulation); + } + } + + function tick() { + var i, n = nodes.length, node; + + alpha += (alphaTarget - alpha) * alphaDecay; + + forces.each(function(force) { + force(alpha); + }); + + for (i = 0; i < n; ++i) { + node = nodes[i]; + if (node.fx == null) node.x += node.vx *= velocityDecay; + else node.x = node.fx, node.vx = 0; + if (node.fy == null) node.y += node.vy *= velocityDecay; + else node.y = node.fy, node.vy = 0; + } + } + + function initializeNodes() { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.index = i; + if (isNaN(node.x) || isNaN(node.y)) { + var radius = initialRadius * Math.sqrt(i), angle = i * initialAngle; + node.x = radius * Math.cos(angle); + node.y = radius * Math.sin(angle); + } + if (isNaN(node.vx) || isNaN(node.vy)) { + node.vx = node.vy = 0; + } + } + } + + function initializeForce(force) { + if (force.initialize) force.initialize(nodes); + return force; + } + + initializeNodes(); + + return simulation = { + tick: tick, + + restart: function() { + return stepper.restart(step), simulation; + }, + + stop: function() { + return stepper.stop(), simulation; + }, + + nodes: function(_) { + return arguments.length ? (nodes = _, initializeNodes(), forces.each(initializeForce), simulation) : nodes; + }, + + alpha: function(_) { + return arguments.length ? (alpha = +_, simulation) : alpha; + }, + + alphaMin: function(_) { + return arguments.length ? (alphaMin = +_, simulation) : alphaMin; + }, + + alphaDecay: function(_) { + return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay; + }, + + alphaTarget: function(_) { + return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget; + }, + + velocityDecay: function(_) { + return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay; + }, + + force: function(name, _) { + return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); + }, + + find: function(x, y, radius) { + var i = 0, + n = nodes.length, + dx, + dy, + d2, + node, + closest; + + if (radius == null) radius = Infinity; + else radius *= radius; + + for (i = 0; i < n; ++i) { + node = nodes[i]; + dx = x - node.x; + dy = y - node.y; + d2 = dx * dx + dy * dy; + if (d2 < radius) closest = node, radius = d2; + } + + return closest; + }, + + on: function(name, _) { + return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); + } + }; + } + + function manyBody() { + var nodes, + node, + alpha, + strength = constant$6(-30), + strengths, + distanceMin2 = 1, + distanceMax2 = Infinity, + theta2 = 0.81; + + function force(_) { + var i, n = nodes.length, tree = quadtree(nodes, x$2, y$2).visitAfter(accumulate); + for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); + } + + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + for (i = 0; i < n; ++i) strengths[i] = +strength(nodes[i], i, nodes); + } + + function accumulate(quad) { + var strength = 0, q, c, x, y, i; + + // For internal nodes, accumulate forces from child quadrants. + if (quad.length) { + for (x = y = i = 0; i < 4; ++i) { + if ((q = quad[i]) && (c = q.value)) { + strength += c, x += c * q.x, y += c * q.y; + } + } + quad.x = x / strength; + quad.y = y / strength; + } + + // For leaf nodes, accumulate forces from coincident quadrants. + else { + q = quad; + q.x = q.data.x; + q.y = q.data.y; + do strength += strengths[q.data.index]; + while (q = q.next); + } + + quad.value = strength; + } + + function apply(quad, x1, _, x2) { + if (!quad.value) return true; + + var x = quad.x - node.x, + y = quad.y - node.y, + w = x2 - x1, + l = x * x + y * y; + + // Apply the Barnes-Hut approximation if possible. + // Limit forces for very close nodes; randomize direction if coincident. + if (w * w / theta2 < l) { + if (l < distanceMax2) { + if (x === 0) x = jiggle(), l += x * x; + if (y === 0) y = jiggle(), l += y * y; + if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); + node.vx += x * quad.value * alpha / l; + node.vy += y * quad.value * alpha / l; + } + return true; + } + + // Otherwise, process points directly. + else if (quad.length || l >= distanceMax2) return; + + // Limit forces for very close nodes; randomize direction if coincident. + if (quad.data !== node || quad.next) { + if (x === 0) x = jiggle(), l += x * x; + if (y === 0) y = jiggle(), l += y * y; + if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); + } + + do if (quad.data !== node) { + w = strengths[quad.data.index] * alpha / l; + node.vx += x * w; + node.vy += y * w; + } while (quad = quad.next); + } + + force.initialize = function(_) { + nodes = _; + initialize(); + }; + + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + }; + + force.distanceMin = function(_) { + return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2); + }; + + force.distanceMax = function(_) { + return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2); + }; + + force.theta = function(_) { + return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2); + }; + + return force; + } + + function x$3(x) { + var strength = constant$6(0.1), + nodes, + strengths, + xz; + + if (typeof x !== "function") x = constant$6(x == null ? 0 : +x); + + function force(alpha) { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha; + } + } + + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + xz = new Array(n); + for (i = 0; i < n; ++i) { + strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + } + } + + force.initialize = function(_) { + nodes = _; + initialize(); + }; + + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + }; + + force.x = function(_) { + return arguments.length ? (x = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : x; + }; + + return force; + } + + function y$3(y) { + var strength = constant$6(0.1), + nodes, + strengths, + yz; + + if (typeof y !== "function") y = constant$6(y == null ? 0 : +y); + + function force(alpha) { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha; + } + } + + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + yz = new Array(n); + for (i = 0; i < n; ++i) { + strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + } + } + + force.initialize = function(_) { + nodes = _; + initialize(); + }; + + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + }; + + force.y = function(_) { + return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : y; + }; + + return force; + } + + function nopropagation() { + exports.event.stopImmediatePropagation(); + } + + function noevent() { + exports.event.preventDefault(); + exports.event.stopImmediatePropagation(); + } + + function dragDisable(view) { + var root = view.document.documentElement, + selection = select(view).on("dragstart.drag", noevent, true); + if ("onselectstart" in root) { + selection.on("selectstart.drag", noevent, true); + } else { + root.__noselect = root.style.MozUserSelect; + root.style.MozUserSelect = "none"; + } + } + + function dragEnable(view, noclick) { + var root = view.document.documentElement, + selection = select(view).on("dragstart.drag", null); + if (noclick) { + selection.on("click.drag", noevent, true); + setTimeout(function() { selection.on("click.drag", null); }, 0); + } + if ("onselectstart" in root) { + selection.on("selectstart.drag", null); + } else { + root.style.MozUserSelect = root.__noselect; + delete root.__noselect; + } + } + + function constant$7(x) { + return function() { + return x; + }; + } + + function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) { + this.target = target; + this.type = type; + this.subject = subject; + this.identifier = id; + this.active = active; + this.x = x; + this.y = y; + this.dx = dx; + this.dy = dy; + this._ = dispatch; + } + + DragEvent.prototype.on = function() { + var value = this._.on.apply(this._, arguments); + return value === this._ ? this : value; + }; + + // Ignore right-click, since that should open the context menu. + function defaultFilter() { + return !exports.event.button; + } + + function defaultContainer() { + return this.parentNode; + } + + function defaultSubject(d) { + return d == null ? {x: exports.event.x, y: exports.event.y} : d; + } + + function drag() { + var filter = defaultFilter, + container = defaultContainer, + subject = defaultSubject, + gestures = {}, + listeners = dispatch("start", "drag", "end"), + active = 0, + mousemoving, + touchending; + + function drag(selection) { + selection + .on("mousedown.drag", mousedowned) + .on("touchstart.drag", touchstarted) + .on("touchmove.drag", touchmoved) + .on("touchend.drag touchcancel.drag", touchended) + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); + } + + function mousedowned() { + if (touchending || !filter.apply(this, arguments)) return; + var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments); + if (!gesture) return; + select(exports.event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); + dragDisable(exports.event.view); + nopropagation(); + mousemoving = false; + gesture("start"); + } + + function mousemoved() { + noevent(); + mousemoving = true; + gestures.mouse("drag"); + } + + function mouseupped() { + select(exports.event.view).on("mousemove.drag mouseup.drag", null); + dragEnable(exports.event.view, mousemoving); + noevent(); + gestures.mouse("end"); + } + + function touchstarted() { + if (!filter.apply(this, arguments)) return; + var touches = exports.event.changedTouches, + c = container.apply(this, arguments), + n = touches.length, i, gesture; + + for (i = 0; i < n; ++i) { + if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) { + nopropagation(); + gesture("start"); + } + } + } + + function touchmoved() { + var touches = exports.event.changedTouches, + n = touches.length, i, gesture; + + for (i = 0; i < n; ++i) { + if (gesture = gestures[touches[i].identifier]) { + noevent(); + gesture("drag"); + } + } + } + + function touchended() { + var touches = exports.event.changedTouches, + n = touches.length, i, gesture; + + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! + for (i = 0; i < n; ++i) { + if (gesture = gestures[touches[i].identifier]) { + nopropagation(); + gesture("end"); + } + } + } + + function beforestart(id, container, point, that, args) { + var p = point(container, id), s, dx, dy, + sublisteners = listeners.copy(); + + if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { + if ((exports.event.subject = s = subject.apply(that, args)) == null) return false; + dx = s.x - p[0] || 0; + dy = s.y - p[1] || 0; + return true; + })) return; + + return function gesture(type) { + var p0 = p, n; + switch (type) { + case "start": gestures[id] = gesture, n = active++; break; + case "end": delete gestures[id], --active; // nobreak + case "drag": p = point(container, id), n = active; break; + } + customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); + }; + } + + drag.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$7(!!_), drag) : filter; + }; + + drag.container = function(_) { + return arguments.length ? (container = typeof _ === "function" ? _ : constant$7(_), drag) : container; + }; + + drag.subject = function(_) { + return arguments.length ? (subject = typeof _ === "function" ? _ : constant$7(_), drag) : subject; + }; + + drag.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? drag : value; + }; + + return drag; + } + + function constant$8(x) { + return function() { + return x; + }; + } + + function x$4(d) { + return d[0]; + } + + function y$4(d) { + return d[1]; + } + + function RedBlackTree() { + this._ = null; // root node + } + + function RedBlackNode(node) { + node.U = // parent node + node.C = // color - true for red, false for black + node.L = // left node + node.R = // right node + node.P = // previous node + node.N = null; // next node + } + + RedBlackTree.prototype = { + constructor: RedBlackTree, + + insert: function(after, node) { + var parent, grandpa, uncle; + + if (after) { + node.P = after; + node.N = after.N; + if (after.N) after.N.P = node; + after.N = node; + if (after.R) { + after = after.R; + while (after.L) after = after.L; + after.L = node; + } else { + after.R = node; + } + parent = after; + } else if (this._) { + after = RedBlackFirst(this._); + node.P = null; + node.N = after; + after.P = after.L = node; + parent = after; + } else { + node.P = node.N = null; + this._ = node; + parent = null; + } + node.L = node.R = null; + node.U = parent; + node.C = true; + + after = node; + while (parent && parent.C) { + grandpa = parent.U; + if (parent === grandpa.L) { + uncle = grandpa.R; + if (uncle && uncle.C) { + parent.C = uncle.C = false; + grandpa.C = true; + after = grandpa; + } else { + if (after === parent.R) { + RedBlackRotateLeft(this, parent); + after = parent; + parent = after.U; + } + parent.C = false; + grandpa.C = true; + RedBlackRotateRight(this, grandpa); + } + } else { + uncle = grandpa.L; + if (uncle && uncle.C) { + parent.C = uncle.C = false; + grandpa.C = true; + after = grandpa; + } else { + if (after === parent.L) { + RedBlackRotateRight(this, parent); + after = parent; + parent = after.U; + } + parent.C = false; + grandpa.C = true; + RedBlackRotateLeft(this, grandpa); + } + } + parent = after.U; + } + this._.C = false; + }, + + remove: function(node) { + if (node.N) node.N.P = node.P; + if (node.P) node.P.N = node.N; + node.N = node.P = null; + + var parent = node.U, + sibling, + left = node.L, + right = node.R, + next, + red; + + if (!left) next = right; + else if (!right) next = left; + else next = RedBlackFirst(right); + + if (parent) { + if (parent.L === node) parent.L = next; + else parent.R = next; + } else { + this._ = next; + } + + if (left && right) { + red = next.C; + next.C = node.C; + next.L = left; + left.U = next; + if (next !== right) { + parent = next.U; + next.U = node.U; + node = next.R; + parent.L = node; + next.R = right; + right.U = next; + } else { + next.U = parent; + parent = next; + node = next.R; + } + } else { + red = node.C; + node = next; + } + + if (node) node.U = parent; + if (red) return; + if (node && node.C) { node.C = false; return; } + + do { + if (node === this._) break; + if (node === parent.L) { + sibling = parent.R; + if (sibling.C) { + sibling.C = false; + parent.C = true; + RedBlackRotateLeft(this, parent); + sibling = parent.R; + } + if ((sibling.L && sibling.L.C) + || (sibling.R && sibling.R.C)) { + if (!sibling.R || !sibling.R.C) { + sibling.L.C = false; + sibling.C = true; + RedBlackRotateRight(this, sibling); + sibling = parent.R; + } + sibling.C = parent.C; + parent.C = sibling.R.C = false; + RedBlackRotateLeft(this, parent); + node = this._; + break; + } + } else { + sibling = parent.L; + if (sibling.C) { + sibling.C = false; + parent.C = true; + RedBlackRotateRight(this, parent); + sibling = parent.L; + } + if ((sibling.L && sibling.L.C) + || (sibling.R && sibling.R.C)) { + if (!sibling.L || !sibling.L.C) { + sibling.R.C = false; + sibling.C = true; + RedBlackRotateLeft(this, sibling); + sibling = parent.L; + } + sibling.C = parent.C; + parent.C = sibling.L.C = false; + RedBlackRotateRight(this, parent); + node = this._; + break; + } + } + sibling.C = true; + node = parent; + parent = parent.U; + } while (!node.C); + + if (node) node.C = false; + } + }; + + function RedBlackRotateLeft(tree, node) { + var p = node, + q = node.R, + parent = p.U; + + if (parent) { + if (parent.L === p) parent.L = q; + else parent.R = q; + } else { + tree._ = q; + } + + q.U = parent; + p.U = q; + p.R = q.L; + if (p.R) p.R.U = p; + q.L = p; + } + + function RedBlackRotateRight(tree, node) { + var p = node, + q = node.L, + parent = p.U; + + if (parent) { + if (parent.L === p) parent.L = q; + else parent.R = q; + } else { + tree._ = q; + } + + q.U = parent; + p.U = q; + p.L = q.R; + if (p.L) p.L.U = p; + q.R = p; + } + + function RedBlackFirst(node) { + while (node.L) node = node.L; + return node; + } + + function createEdge(left, right, v0, v1) { + var edge = [null, null], + index = edges.push(edge) - 1; + edge.left = left; + edge.right = right; + if (v0) setEdgeEnd(edge, left, right, v0); + if (v1) setEdgeEnd(edge, right, left, v1); + cells[left.index].halfedges.push(index); + cells[right.index].halfedges.push(index); + return edge; + } + + function createBorderEdge(left, v0, v1) { + var edge = [v0, v1]; + edge.left = left; + return edge; + } + + function setEdgeEnd(edge, left, right, vertex) { + if (!edge[0] && !edge[1]) { + edge[0] = vertex; + edge.left = left; + edge.right = right; + } else if (edge.left === right) { + edge[1] = vertex; + } else { + edge[0] = vertex; + } + } + + // Liang–Barsky line clipping. + function clipEdge(edge, x0, y0, x1, y1) { + var a = edge[0], + b = edge[1], + ax = a[0], + ay = a[1], + bx = b[0], + by = b[1], + t0 = 0, + t1 = 1, + dx = bx - ax, + dy = by - ay, + r; + + r = x0 - ax; + if (!dx && r > 0) return; + r /= dx; + if (dx < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dx > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = x1 - ax; + if (!dx && r < 0) return; + r /= dx; + if (dx < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dx > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + r = y0 - ay; + if (!dy && r > 0) return; + r /= dy; + if (dy < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dy > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = y1 - ay; + if (!dy && r < 0) return; + r /= dy; + if (dy < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dy > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + if (!(t0 > 0) && !(t1 < 1)) return true; // TODO Better check? + + if (t0 > 0) edge[0] = [ax + t0 * dx, ay + t0 * dy]; + if (t1 < 1) edge[1] = [ax + t1 * dx, ay + t1 * dy]; + return true; + } + + function connectEdge(edge, x0, y0, x1, y1) { + var v1 = edge[1]; + if (v1) return true; + + var v0 = edge[0], + left = edge.left, + right = edge.right, + lx = left[0], + ly = left[1], + rx = right[0], + ry = right[1], + fx = (lx + rx) / 2, + fy = (ly + ry) / 2, + fm, + fb; + + if (ry === ly) { + if (fx < x0 || fx >= x1) return; + if (lx > rx) { + if (!v0) v0 = [fx, y0]; + else if (v0[1] >= y1) return; + v1 = [fx, y1]; + } else { + if (!v0) v0 = [fx, y1]; + else if (v0[1] < y0) return; + v1 = [fx, y0]; + } + } else { + fm = (lx - rx) / (ry - ly); + fb = fy - fm * fx; + if (fm < -1 || fm > 1) { + if (lx > rx) { + if (!v0) v0 = [(y0 - fb) / fm, y0]; + else if (v0[1] >= y1) return; + v1 = [(y1 - fb) / fm, y1]; + } else { + if (!v0) v0 = [(y1 - fb) / fm, y1]; + else if (v0[1] < y0) return; + v1 = [(y0 - fb) / fm, y0]; + } + } else { + if (ly < ry) { + if (!v0) v0 = [x0, fm * x0 + fb]; + else if (v0[0] >= x1) return; + v1 = [x1, fm * x1 + fb]; + } else { + if (!v0) v0 = [x1, fm * x1 + fb]; + else if (v0[0] < x0) return; + v1 = [x0, fm * x0 + fb]; + } + } + } + + edge[0] = v0; + edge[1] = v1; + return true; + } + + function clipEdges(x0, y0, x1, y1) { + var i = edges.length, + edge; + + while (i--) { + if (!connectEdge(edge = edges[i], x0, y0, x1, y1) + || !clipEdge(edge, x0, y0, x1, y1) + || !(Math.abs(edge[0][0] - edge[1][0]) > epsilon$3 + || Math.abs(edge[0][1] - edge[1][1]) > epsilon$3)) { + delete edges[i]; + } + } + } + + function createCell(site) { + return cells[site.index] = { + site: site, + halfedges: [] + }; + } + + function cellHalfedgeAngle(cell, edge) { + var site = cell.site, + va = edge.left, + vb = edge.right; + if (site === vb) vb = va, va = site; + if (vb) return Math.atan2(vb[1] - va[1], vb[0] - va[0]); + if (site === va) va = edge[1], vb = edge[0]; + else va = edge[0], vb = edge[1]; + return Math.atan2(va[0] - vb[0], vb[1] - va[1]); + } + + function cellHalfedgeStart(cell, edge) { + return edge[+(edge.left !== cell.site)]; + } + + function cellHalfedgeEnd(cell, edge) { + return edge[+(edge.left === cell.site)]; + } + + function sortCellHalfedges() { + for (var i = 0, n = cells.length, cell, halfedges, j, m; i < n; ++i) { + if ((cell = cells[i]) && (m = (halfedges = cell.halfedges).length)) { + var index = new Array(m), + array = new Array(m); + for (j = 0; j < m; ++j) index[j] = j, array[j] = cellHalfedgeAngle(cell, edges[halfedges[j]]); + index.sort(function(i, j) { return array[j] - array[i]; }); + for (j = 0; j < m; ++j) array[j] = halfedges[index[j]]; + for (j = 0; j < m; ++j) halfedges[j] = array[j]; + } + } + } + + function clipCells(x0, y0, x1, y1) { + var nCells = cells.length, + iCell, + cell, + site, + iHalfedge, + halfedges, + nHalfedges, + start, + startX, + startY, + end, + endX, + endY, + cover = true; + + for (iCell = 0; iCell < nCells; ++iCell) { + if (cell = cells[iCell]) { + site = cell.site; + halfedges = cell.halfedges; + iHalfedge = halfedges.length; + + // Remove any dangling clipped edges. + while (iHalfedge--) { + if (!edges[halfedges[iHalfedge]]) { + halfedges.splice(iHalfedge, 1); + } + } + + // Insert any border edges as necessary. + iHalfedge = 0, nHalfedges = halfedges.length; + while (iHalfedge < nHalfedges) { + end = cellHalfedgeEnd(cell, edges[halfedges[iHalfedge]]), endX = end[0], endY = end[1]; + start = cellHalfedgeStart(cell, edges[halfedges[++iHalfedge % nHalfedges]]), startX = start[0], startY = start[1]; + if (Math.abs(endX - startX) > epsilon$3 || Math.abs(endY - startY) > epsilon$3) { + halfedges.splice(iHalfedge, 0, edges.push(createBorderEdge(site, end, + Math.abs(endX - x0) < epsilon$3 && y1 - endY > epsilon$3 ? [x0, Math.abs(startX - x0) < epsilon$3 ? startY : y1] + : Math.abs(endY - y1) < epsilon$3 && x1 - endX > epsilon$3 ? [Math.abs(startY - y1) < epsilon$3 ? startX : x1, y1] + : Math.abs(endX - x1) < epsilon$3 && endY - y0 > epsilon$3 ? [x1, Math.abs(startX - x1) < epsilon$3 ? startY : y0] + : Math.abs(endY - y0) < epsilon$3 && endX - x0 > epsilon$3 ? [Math.abs(startY - y0) < epsilon$3 ? startX : x0, y0] + : null)) - 1); + ++nHalfedges; + } + } + + if (nHalfedges) cover = false; + } + } + + // If there weren’t any edges, have the closest site cover the extent. + // It doesn’t matter which corner of the extent we measure! + if (cover) { + var dx, dy, d2, dc = Infinity; + + for (iCell = 0, cover = null; iCell < nCells; ++iCell) { + if (cell = cells[iCell]) { + site = cell.site; + dx = site[0] - x0; + dy = site[1] - y0; + d2 = dx * dx + dy * dy; + if (d2 < dc) dc = d2, cover = cell; + } + } + + if (cover) { + var v00 = [x0, y0], v01 = [x0, y1], v11 = [x1, y1], v10 = [x1, y0]; + cover.halfedges.push( + edges.push(createBorderEdge(site = cover.site, v00, v01)) - 1, + edges.push(createBorderEdge(site, v01, v11)) - 1, + edges.push(createBorderEdge(site, v11, v10)) - 1, + edges.push(createBorderEdge(site, v10, v00)) - 1 + ); + } + } + + // Lastly delete any cells with no edges; these were entirely clipped. + for (iCell = 0; iCell < nCells; ++iCell) { + if (cell = cells[iCell]) { + if (!cell.halfedges.length) { + delete cells[iCell]; + } + } + } + } + + var circlePool = []; + + var firstCircle; + + function Circle() { + RedBlackNode(this); + this.x = + this.y = + this.arc = + this.site = + this.cy = null; + } + + function attachCircle(arc) { + var lArc = arc.P, + rArc = arc.N; + + if (!lArc || !rArc) return; + + var lSite = lArc.site, + cSite = arc.site, + rSite = rArc.site; + + if (lSite === rSite) return; + + var bx = cSite[0], + by = cSite[1], + ax = lSite[0] - bx, + ay = lSite[1] - by, + cx = rSite[0] - bx, + cy = rSite[1] - by; + + var d = 2 * (ax * cy - ay * cx); + if (d >= -epsilon2$1) return; + + var ha = ax * ax + ay * ay, + hc = cx * cx + cy * cy, + x = (cy * ha - ay * hc) / d, + y = (ax * hc - cx * ha) / d; + + var circle = circlePool.pop() || new Circle; + circle.arc = arc; + circle.site = cSite; + circle.x = x + bx; + circle.y = (circle.cy = y + by) + Math.sqrt(x * x + y * y); // y bottom + + arc.circle = circle; + + var before = null, + node = circles._; + + while (node) { + if (circle.y < node.y || (circle.y === node.y && circle.x <= node.x)) { + if (node.L) node = node.L; + else { before = node.P; break; } + } else { + if (node.R) node = node.R; + else { before = node; break; } + } + } + + circles.insert(before, circle); + if (!before) firstCircle = circle; + } + + function detachCircle(arc) { + var circle = arc.circle; + if (circle) { + if (!circle.P) firstCircle = circle.N; + circles.remove(circle); + circlePool.push(circle); + RedBlackNode(circle); + arc.circle = null; + } + } + + var beachPool = []; + + function Beach() { + RedBlackNode(this); + this.edge = + this.site = + this.circle = null; + } + + function createBeach(site) { + var beach = beachPool.pop() || new Beach; + beach.site = site; + return beach; + } + + function detachBeach(beach) { + detachCircle(beach); + beaches.remove(beach); + beachPool.push(beach); + RedBlackNode(beach); + } + + function removeBeach(beach) { + var circle = beach.circle, + x = circle.x, + y = circle.cy, + vertex = [x, y], + previous = beach.P, + next = beach.N, + disappearing = [beach]; + + detachBeach(beach); + + var lArc = previous; + while (lArc.circle + && Math.abs(x - lArc.circle.x) < epsilon$3 + && Math.abs(y - lArc.circle.cy) < epsilon$3) { + previous = lArc.P; + disappearing.unshift(lArc); + detachBeach(lArc); + lArc = previous; + } + + disappearing.unshift(lArc); + detachCircle(lArc); + + var rArc = next; + while (rArc.circle + && Math.abs(x - rArc.circle.x) < epsilon$3 + && Math.abs(y - rArc.circle.cy) < epsilon$3) { + next = rArc.N; + disappearing.push(rArc); + detachBeach(rArc); + rArc = next; + } + + disappearing.push(rArc); + detachCircle(rArc); + + var nArcs = disappearing.length, + iArc; + for (iArc = 1; iArc < nArcs; ++iArc) { + rArc = disappearing[iArc]; + lArc = disappearing[iArc - 1]; + setEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); + } + + lArc = disappearing[0]; + rArc = disappearing[nArcs - 1]; + rArc.edge = createEdge(lArc.site, rArc.site, null, vertex); + + attachCircle(lArc); + attachCircle(rArc); + } + + function addBeach(site) { + var x = site[0], + directrix = site[1], + lArc, + rArc, + dxl, + dxr, + node = beaches._; + + while (node) { + dxl = leftBreakPoint(node, directrix) - x; + if (dxl > epsilon$3) node = node.L; else { + dxr = x - rightBreakPoint(node, directrix); + if (dxr > epsilon$3) { + if (!node.R) { + lArc = node; + break; + } + node = node.R; + } else { + if (dxl > -epsilon$3) { + lArc = node.P; + rArc = node; + } else if (dxr > -epsilon$3) { + lArc = node; + rArc = node.N; + } else { + lArc = rArc = node; + } + break; + } + } + } + + createCell(site); + var newArc = createBeach(site); + beaches.insert(lArc, newArc); + + if (!lArc && !rArc) return; + + if (lArc === rArc) { + detachCircle(lArc); + rArc = createBeach(lArc.site); + beaches.insert(newArc, rArc); + newArc.edge = rArc.edge = createEdge(lArc.site, newArc.site); + attachCircle(lArc); + attachCircle(rArc); + return; + } + + if (!rArc) { // && lArc + newArc.edge = createEdge(lArc.site, newArc.site); + return; + } + + // else lArc !== rArc + detachCircle(lArc); + detachCircle(rArc); + + var lSite = lArc.site, + ax = lSite[0], + ay = lSite[1], + bx = site[0] - ax, + by = site[1] - ay, + rSite = rArc.site, + cx = rSite[0] - ax, + cy = rSite[1] - ay, + d = 2 * (bx * cy - by * cx), + hb = bx * bx + by * by, + hc = cx * cx + cy * cy, + vertex = [(cy * hb - by * hc) / d + ax, (bx * hc - cx * hb) / d + ay]; + + setEdgeEnd(rArc.edge, lSite, rSite, vertex); + newArc.edge = createEdge(lSite, site, null, vertex); + rArc.edge = createEdge(site, rSite, null, vertex); + attachCircle(lArc); + attachCircle(rArc); + } + + function leftBreakPoint(arc, directrix) { + var site = arc.site, + rfocx = site[0], + rfocy = site[1], + pby2 = rfocy - directrix; + + if (!pby2) return rfocx; + + var lArc = arc.P; + if (!lArc) return -Infinity; + + site = lArc.site; + var lfocx = site[0], + lfocy = site[1], + plby2 = lfocy - directrix; + + if (!plby2) return lfocx; + + var hl = lfocx - rfocx, + aby2 = 1 / pby2 - 1 / plby2, + b = hl / plby2; + + if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; + + return (rfocx + lfocx) / 2; + } + + function rightBreakPoint(arc, directrix) { + var rArc = arc.N; + if (rArc) return leftBreakPoint(rArc, directrix); + var site = arc.site; + return site[1] === directrix ? site[0] : Infinity; + } + + var epsilon$3 = 1e-6; + var epsilon2$1 = 1e-12; + var beaches; + var cells; + var circles; + var edges; + + function triangleArea(a, b, c) { + return (a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]); + } + + function lexicographic(a, b) { + return b[1] - a[1] + || b[0] - a[0]; + } + + function Diagram(sites, extent) { + var site = sites.sort(lexicographic).pop(), + x, + y, + circle; + + edges = []; + cells = new Array(sites.length); + beaches = new RedBlackTree; + circles = new RedBlackTree; + + while (true) { + circle = firstCircle; + if (site && (!circle || site[1] < circle.y || (site[1] === circle.y && site[0] < circle.x))) { + if (site[0] !== x || site[1] !== y) { + addBeach(site); + x = site[0], y = site[1]; + } + site = sites.pop(); + } else if (circle) { + removeBeach(circle.arc); + } else { + break; + } + } + + sortCellHalfedges(); + + if (extent) { + var x0 = +extent[0][0], + y0 = +extent[0][1], + x1 = +extent[1][0], + y1 = +extent[1][1]; + clipEdges(x0, y0, x1, y1); + clipCells(x0, y0, x1, y1); + } + + this.edges = edges; + this.cells = cells; + + beaches = + circles = + edges = + cells = null; + } + + Diagram.prototype = { + constructor: Diagram, + + polygons: function() { + var edges = this.edges; + + return this.cells.map(function(cell) { + var polygon = cell.halfedges.map(function(i) { return cellHalfedgeStart(cell, edges[i]); }); + polygon.data = cell.site.data; + return polygon; + }); }, - polygonStart: function() { - this.stream.polygonStart(); + + triangles: function() { + var triangles = [], + edges = this.edges; + + this.cells.forEach(function(cell, i) { + var site = cell.site, + halfedges = cell.halfedges, + j = -1, + m = halfedges.length, + s0, + e1 = edges[halfedges[m - 1]], + s1 = e1.left === site ? e1.right : e1.left; + + while (++j < m) { + s0 = s1; + e1 = edges[halfedges[j]]; + s1 = e1.left === site ? e1.right : e1.left; + if (i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) { + triangles.push([site.data, s0.data, s1.data]); + } + } + }); + + return triangles; }, - polygonEnd: function() { - this.stream.polygonEnd(); + + links: function() { + return this.edges.filter(function(edge) { + return edge.right; + }).map(function(edge) { + return { + source: edge.left.data, + target: edge.right.data + }; + }); } - }; - function d3_geo_transformPoint(stream, point) { - return { - point: point, - sphere: function() { - stream.sphere(); - }, - lineStart: function() { - stream.lineStart(); - }, - lineEnd: function() { - stream.lineEnd(); - }, - polygonStart: function() { - stream.polygonStart(); - }, - polygonEnd: function() { - stream.polygonEnd(); - } - }; } - d3.geo.projection = d3_geo_projection; - d3.geo.projectionMutator = d3_geo_projectionMutator; - function d3_geo_projection(project) { - return d3_geo_projectionMutator(function() { - return project; - })(); - } - function d3_geo_projectionMutator(projectAt) { - var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) { - x = project(x, y); - return [ x[0] * k + δx, δy - x[1] * k ]; - }), k = 150, x = 480, y = 250, λ = 0, φ = 0, δλ = 0, δφ = 0, δγ = 0, δx, δy, preclip = d3_geo_clipAntimeridian, postclip = d3_identity, clipAngle = null, clipExtent = null, stream; - function projection(point) { - point = projectRotate(point[0] * d3_radians, point[1] * d3_radians); - return [ point[0] * k + δx, δy - point[1] * k ]; - } - function invert(point) { - point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k); - return point && [ point[0] * d3_degrees, point[1] * d3_degrees ]; + + function voronoi() { + var x = x$4, + y = y$4, + extent = null; + + function voronoi(data) { + return new Diagram(data.map(function(d, i) { + var s = [Math.round(x(d, i, data) / epsilon$3) * epsilon$3, Math.round(y(d, i, data) / epsilon$3) * epsilon$3]; + s.index = i; + s.data = d; + return s; + }), extent); } - projection.stream = function(output) { - if (stream) stream.valid = false; - stream = d3_geo_projectionRadians(preclip(rotate, projectResample(postclip(output)))); - stream.valid = true; - return stream; + + voronoi.polygons = function(data) { + return voronoi(data).polygons(); }; - projection.clipAngle = function(_) { - if (!arguments.length) return clipAngle; - preclip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle((clipAngle = +_) * d3_radians); - return invalidate(); + + voronoi.links = function(data) { + return voronoi(data).links(); }; - projection.clipExtent = function(_) { - if (!arguments.length) return clipExtent; - clipExtent = _; - postclip = _ ? d3_geo_clipExtent(_[0][0], _[0][1], _[1][0], _[1][1]) : d3_identity; - return invalidate(); + + voronoi.triangles = function(data) { + return voronoi(data).triangles(); }; - projection.scale = function(_) { - if (!arguments.length) return k; - k = +_; - return reset(); + + voronoi.x = function(_) { + return arguments.length ? (x = typeof _ === "function" ? _ : constant$8(+_), voronoi) : x; }; - projection.translate = function(_) { - if (!arguments.length) return [ x, y ]; - x = +_[0]; - y = +_[1]; - return reset(); + + voronoi.y = function(_) { + return arguments.length ? (y = typeof _ === "function" ? _ : constant$8(+_), voronoi) : y; }; - projection.center = function(_) { - if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ]; - λ = _[0] % 360 * d3_radians; - φ = _[1] % 360 * d3_radians; - return reset(); + + voronoi.extent = function(_) { + return arguments.length ? (extent = _ == null ? null : [[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]], voronoi) : extent && [[extent[0][0], extent[0][1]], [extent[1][0], extent[1][1]]]; }; - projection.rotate = function(_) { - if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ]; - δλ = _[0] % 360 * d3_radians; - δφ = _[1] % 360 * d3_radians; - δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0; - return reset(); + + voronoi.size = function(_) { + return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0], extent[1][1]]; }; - d3.rebind(projection, projectResample, "precision"); - function reset() { - projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project); - var center = project(λ, φ); - δx = x - center[0] * k; - δy = y + center[1] * k; - return invalidate(); - } - function invalidate() { - if (stream) stream.valid = false, stream = null; - return projection; - } + + return voronoi; + } + + function constant$9(x) { return function() { - project = projectAt.apply(this, arguments); - projection.invert = project.invert && invert; - return reset(); + return x; }; } - function d3_geo_projectionRadians(stream) { - return d3_geo_transformPoint(stream, function(x, y) { - stream.point(x * d3_radians, y * d3_radians); - }); + + function ZoomEvent(target, type, transform) { + this.target = target; + this.type = type; + this.transform = transform; } - function d3_geo_equirectangular(λ, φ) { - return [ λ, φ ]; + + function Transform(k, x, y) { + this.k = k; + this.x = x; + this.y = y; } - (d3.geo.equirectangular = function() { - return d3_geo_projection(d3_geo_equirectangular); - }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular; - d3.geo.rotation = function(rotate) { - rotate = d3_geo_rotation(rotate[0] % 360 * d3_radians, rotate[1] * d3_radians, rotate.length > 2 ? rotate[2] * d3_radians : 0); - function forward(coordinates) { - coordinates = rotate(coordinates[0] * d3_radians, coordinates[1] * d3_radians); - return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates; + + Transform.prototype = { + constructor: Transform, + scale: function(k) { + return k === 1 ? this : new Transform(this.k * k, this.x, this.y); + }, + translate: function(x, y) { + return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y); + }, + apply: function(point) { + return [point[0] * this.k + this.x, point[1] * this.k + this.y]; + }, + applyX: function(x) { + return x * this.k + this.x; + }, + applyY: function(y) { + return y * this.k + this.y; + }, + invert: function(location) { + return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k]; + }, + invertX: function(x) { + return (x - this.x) / this.k; + }, + invertY: function(y) { + return (y - this.y) / this.k; + }, + rescaleX: function(x) { + return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x)); + }, + rescaleY: function(y) { + return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y)); + }, + toString: function() { + return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")"; } - forward.invert = function(coordinates) { - coordinates = rotate.invert(coordinates[0] * d3_radians, coordinates[1] * d3_radians); - return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates; - }; - return forward; }; - function d3_geo_identityRotation(λ, φ) { - return [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ]; + + var identity$6 = new Transform(1, 0, 0); + + transform.prototype = Transform.prototype; + + function transform(node) { + return node.__zoom || identity$6; } - d3_geo_identityRotation.invert = d3_geo_equirectangular; - function d3_geo_rotation(δλ, δφ, δγ) { - return δλ ? δφ || δγ ? d3_geo_compose(d3_geo_rotationλ(δλ), d3_geo_rotationφγ(δφ, δγ)) : d3_geo_rotationλ(δλ) : δφ || δγ ? d3_geo_rotationφγ(δφ, δγ) : d3_geo_identityRotation; + + function nopropagation$1() { + exports.event.stopImmediatePropagation(); } - function d3_geo_forwardRotationλ(δλ) { - return function(λ, φ) { - return λ += δλ, [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ]; - }; + + function noevent$1() { + exports.event.preventDefault(); + exports.event.stopImmediatePropagation(); } - function d3_geo_rotationλ(δλ) { - var rotation = d3_geo_forwardRotationλ(δλ); - rotation.invert = d3_geo_forwardRotationλ(-δλ); - return rotation; + + // Ignore right-click, since that should open the context menu. + function defaultFilter$1() { + return !exports.event.button; } - function d3_geo_rotationφγ(δφ, δγ) { - var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ); - function rotation(λ, φ) { - var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ; - return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), d3_asin(k * cosδγ + y * sinδγ) ]; + + function defaultExtent() { + var e = this, w, h; + if (e instanceof SVGElement) { + e = e.ownerSVGElement || e; + w = e.width.baseVal.value; + h = e.height.baseVal.value; + } else { + w = e.clientWidth; + h = e.clientHeight; } - rotation.invert = function(λ, φ) { - var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ; - return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), d3_asin(k * cosδφ - x * sinδφ) ]; - }; - return rotation; + return [[0, 0], [w, h]]; } - d3.geo.circle = function() { - var origin = [ 0, 0 ], angle, precision = 6, interpolate; - function circle() { - var center = typeof origin === "function" ? origin.apply(this, arguments) : origin, rotate = d3_geo_rotation(-center[0] * d3_radians, -center[1] * d3_radians, 0).invert, ring = []; - interpolate(null, null, 1, { - point: function(x, y) { - ring.push(x = rotate(x, y)); - x[0] *= d3_degrees, x[1] *= d3_degrees; - } - }); - return { - type: "Polygon", - coordinates: [ ring ] - }; + + function defaultTransform() { + return this.__zoom || identity$6; + } + + function zoom() { + var filter = defaultFilter$1, + extent = defaultExtent, + k0 = 0, + k1 = Infinity, + x0 = -k1, + x1 = k1, + y0 = x0, + y1 = x1, + duration = 250, + gestures = [], + listeners = dispatch("start", "zoom", "end"), + mousemoving, + mousePoint, + mouseLocation, + touchstarting, + touchending, + touchDelay = 500, + wheelTimer, + wheelDelay = 150; + + function zoom(selection) { + selection + .on("wheel.zoom", wheeled) + .on("mousedown.zoom", mousedowned) + .on("dblclick.zoom", dblclicked) + .on("touchstart.zoom", touchstarted) + .on("touchmove.zoom", touchmoved) + .on("touchend.zoom touchcancel.zoom", touchended) + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") + .property("__zoom", defaultTransform); } - circle.origin = function(x) { - if (!arguments.length) return origin; - origin = x; - return circle; - }; - circle.angle = function(x) { - if (!arguments.length) return angle; - interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians); - return circle; - }; - circle.precision = function(_) { - if (!arguments.length) return precision; - interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians); - return circle; - }; - return circle.angle(90); - }; - function d3_geo_circleInterpolate(radius, precision) { - var cr = Math.cos(radius), sr = Math.sin(radius); - return function(from, to, direction, listener) { - var step = direction * precision; - if (from != null) { - from = d3_geo_circleAngle(cr, from); - to = d3_geo_circleAngle(cr, to); - if (direction > 0 ? from < to : from > to) from += direction * τ; + + zoom.transform = function(collection, transform) { + var selection = collection.selection ? collection.selection() : collection; + selection.property("__zoom", defaultTransform); + if (collection !== selection) { + schedule(collection, transform); } else { - from = radius + direction * τ; - to = radius - .5 * step; - } - for (var point, t = from; direction > 0 ? t > to : t < to; t -= step) { - listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]); + selection.interrupt().each(function() { + gesture(this, arguments) + .start() + .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) + .end(); + }); } }; - } - function d3_geo_circleAngle(cr, point) { - var a = d3_geo_cartesian(point); - a[0] -= cr; - d3_geo_cartesianNormalize(a); - var angle = d3_acos(-a[1]); - return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI); - } - d3.geo.distance = function(a, b) { - var Δλ = (b[0] - a[0]) * d3_radians, φ0 = a[1] * d3_radians, φ1 = b[1] * d3_radians, sinΔλ = Math.sin(Δλ), cosΔλ = Math.cos(Δλ), sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), sinφ1 = Math.sin(φ1), cosφ1 = Math.cos(φ1), t; - return Math.atan2(Math.sqrt((t = cosφ1 * sinΔλ) * t + (t = cosφ0 * sinφ1 - sinφ0 * cosφ1 * cosΔλ) * t), sinφ0 * sinφ1 + cosφ0 * cosφ1 * cosΔλ); - }; - d3.geo.graticule = function() { - var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, x, y, X, Y, precision = 2.5; - function graticule() { - return { - type: "MultiLineString", - coordinates: lines() - }; - } - function lines() { - return d3.range(Math.ceil(X0 / DX) * DX, X1, DX).map(X).concat(d3.range(Math.ceil(Y0 / DY) * DY, Y1, DY).map(Y)).concat(d3.range(Math.ceil(x0 / dx) * dx, x1, dx).filter(function(x) { - return abs(x % DX) > ε; - }).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) { - return abs(y % DY) > ε; - }).map(y)); - } - graticule.lines = function() { - return lines().map(function(coordinates) { - return { - type: "LineString", - coordinates: coordinates - }; + + zoom.scaleBy = function(selection, k) { + zoom.scaleTo(selection, function() { + var k0 = this.__zoom.k, + k1 = typeof k === "function" ? k.apply(this, arguments) : k; + return k0 * k1; }); }; - graticule.outline = function() { - return { - type: "Polygon", - coordinates: [ X(X0).concat(Y(Y1).slice(1), X(X1).reverse().slice(1), Y(Y0).reverse().slice(1)) ] - }; - }; - graticule.extent = function(_) { - if (!arguments.length) return graticule.minorExtent(); - return graticule.majorExtent(_).minorExtent(_); - }; - graticule.majorExtent = function(_) { - if (!arguments.length) return [ [ X0, Y0 ], [ X1, Y1 ] ]; - X0 = +_[0][0], X1 = +_[1][0]; - Y0 = +_[0][1], Y1 = +_[1][1]; - if (X0 > X1) _ = X0, X0 = X1, X1 = _; - if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; - return graticule.precision(precision); - }; - graticule.minorExtent = function(_) { - if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ]; - x0 = +_[0][0], x1 = +_[1][0]; - y0 = +_[0][1], y1 = +_[1][1]; - if (x0 > x1) _ = x0, x0 = x1, x1 = _; - if (y0 > y1) _ = y0, y0 = y1, y1 = _; - return graticule.precision(precision); - }; - graticule.step = function(_) { - if (!arguments.length) return graticule.minorStep(); - return graticule.majorStep(_).minorStep(_); - }; - graticule.majorStep = function(_) { - if (!arguments.length) return [ DX, DY ]; - DX = +_[0], DY = +_[1]; - return graticule; - }; - graticule.minorStep = function(_) { - if (!arguments.length) return [ dx, dy ]; - dx = +_[0], dy = +_[1]; - return graticule; - }; - graticule.precision = function(_) { - if (!arguments.length) return precision; - precision = +_; - x = d3_geo_graticuleX(y0, y1, 90); - y = d3_geo_graticuleY(x0, x1, precision); - X = d3_geo_graticuleX(Y0, Y1, 90); - Y = d3_geo_graticuleY(X0, X1, precision); - return graticule; - }; - return graticule.majorExtent([ [ -180, -90 + ε ], [ 180, 90 - ε ] ]).minorExtent([ [ -180, -80 - ε ], [ 180, 80 + ε ] ]); - }; - function d3_geo_graticuleX(y0, y1, dy) { - var y = d3.range(y0, y1 - ε, dy).concat(y1); - return function(x) { - return y.map(function(y) { - return [ x, y ]; + + zoom.scaleTo = function(selection, k) { + zoom.transform(selection, function() { + var e = extent.apply(this, arguments), + t0 = this.__zoom, + p0 = centroid(e), + p1 = t0.invert(p0), + k1 = typeof k === "function" ? k.apply(this, arguments) : k; + return constrain(translate(scale(t0, k1), p0, p1), e); }); }; - } - function d3_geo_graticuleY(x0, x1, dx) { - var x = d3.range(x0, x1 - ε, dx).concat(x1); - return function(y) { - return x.map(function(x) { - return [ x, y ]; + + zoom.translateBy = function(selection, x, y) { + zoom.transform(selection, function() { + return constrain(this.__zoom.translate( + typeof x === "function" ? x.apply(this, arguments) : x, + typeof y === "function" ? y.apply(this, arguments) : y + ), extent.apply(this, arguments)); }); }; - } - function d3_source(d) { - return d.source; - } - function d3_target(d) { - return d.target; - } - d3.geo.greatArc = function() { - var source = d3_source, source_, target = d3_target, target_; - function greatArc() { - return { - type: "LineString", - coordinates: [ source_ || source.apply(this, arguments), target_ || target.apply(this, arguments) ] - }; + + function scale(transform, k) { + k = Math.max(k0, Math.min(k1, k)); + return k === transform.k ? transform : new Transform(k, transform.x, transform.y); } - greatArc.distance = function() { - return d3.geo.distance(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments)); - }; - greatArc.source = function(_) { - if (!arguments.length) return source; - source = _, source_ = typeof _ === "function" ? null : _; - return greatArc; - }; - greatArc.target = function(_) { - if (!arguments.length) return target; - target = _, target_ = typeof _ === "function" ? null : _; - return greatArc; - }; - greatArc.precision = function() { - return arguments.length ? greatArc : 0; - }; - return greatArc; - }; - d3.geo.interpolate = function(source, target) { - return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians); - }; - function d3_geo_interpolate(x0, y0, x1, y1) { - var cy0 = Math.cos(y0), sy0 = Math.sin(y0), cy1 = Math.cos(y1), sy1 = Math.sin(y1), kx0 = cy0 * Math.cos(x0), ky0 = cy0 * Math.sin(x0), kx1 = cy1 * Math.cos(x1), ky1 = cy1 * Math.sin(x1), d = 2 * Math.asin(Math.sqrt(d3_haversin(y1 - y0) + cy0 * cy1 * d3_haversin(x1 - x0))), k = 1 / Math.sin(d); - var interpolate = d ? function(t) { - var B = Math.sin(t *= d) * k, A = Math.sin(d - t) * k, x = A * kx0 + B * kx1, y = A * ky0 + B * ky1, z = A * sy0 + B * sy1; - return [ Math.atan2(y, x) * d3_degrees, Math.atan2(z, Math.sqrt(x * x + y * y)) * d3_degrees ]; - } : function() { - return [ x0 * d3_degrees, y0 * d3_degrees ]; - }; - interpolate.distance = d; - return interpolate; - } - d3.geo.length = function(object) { - d3_geo_lengthSum = 0; - d3.geo.stream(object, d3_geo_length); - return d3_geo_lengthSum; - }; - var d3_geo_lengthSum; - var d3_geo_length = { - sphere: d3_noop, - point: d3_noop, - lineStart: d3_geo_lengthLineStart, - lineEnd: d3_noop, - polygonStart: d3_noop, - polygonEnd: d3_noop - }; - function d3_geo_lengthLineStart() { - var λ0, sinφ0, cosφ0; - d3_geo_length.point = function(λ, φ) { - λ0 = λ * d3_radians, sinφ0 = Math.sin(φ *= d3_radians), cosφ0 = Math.cos(φ); - d3_geo_length.point = nextPoint; - }; - d3_geo_length.lineEnd = function() { - d3_geo_length.point = d3_geo_length.lineEnd = d3_noop; + + function translate(transform, p0, p1) { + var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k; + return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y); + } + + function constrain(transform, extent) { + var dx = Math.min(0, transform.invertX(extent[0][0]) - x0) || Math.max(0, transform.invertX(extent[1][0]) - x1), + dy = Math.min(0, transform.invertY(extent[0][1]) - y0) || Math.max(0, transform.invertY(extent[1][1]) - y1); + return dx || dy ? transform.translate(dx, dy) : transform; + } + + function centroid(extent) { + return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; + } + + function schedule(transition, transform, center) { + transition + .on("start.zoom", function() { gesture(this, arguments).start(); }) + .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) + .tween("zoom", function() { + var that = this, + args = arguments, + g = gesture(that, args), + e = extent.apply(that, args), + p = center || centroid(e), + w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), + a = that.__zoom, + b = typeof transform === "function" ? transform.apply(that, args) : transform, + i = interpolateZoom(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); + return function(t) { + if (t === 1) t = b; // Avoid rounding error on end. + else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); } + g.zoom(null, t); + }; + }); + } + + function gesture(that, args) { + for (var i = 0, n = gestures.length, g; i < n; ++i) { + if ((g = gestures[i]).that === that) { + return g; + } + } + return new Gesture(that, args); + } + + function Gesture(that, args) { + this.that = that; + this.args = args; + this.index = -1; + this.active = 0; + } + + Gesture.prototype = { + start: function() { + if (++this.active === 1) { + this.index = gestures.push(this) - 1; + this.emit("start"); + } + return this; + }, + zoom: function(key, transform) { + if (mousePoint && key !== "mouse") mouseLocation = transform.invert(mousePoint); + if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); + if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); + this.that.__zoom = transform; + this.emit("zoom"); + return this; + }, + end: function() { + if (--this.active === 0) { + gestures.splice(this.index, 1); + mousePoint = mouseLocation = null; + this.index = -1; + this.emit("end"); + } + return this; + }, + emit: function(type) { + customEvent(new ZoomEvent(zoom, type, this.that.__zoom), listeners.apply, listeners, [type, this.that, this.args]); + } }; - function nextPoint(λ, φ) { - var sinφ = Math.sin(φ *= d3_radians), cosφ = Math.cos(φ), t = abs((λ *= d3_radians) - λ0), cosΔλ = Math.cos(t); - d3_geo_lengthSum += Math.atan2(Math.sqrt((t = cosφ * Math.sin(t)) * t + (t = cosφ0 * sinφ - sinφ0 * cosφ * cosΔλ) * t), sinφ0 * sinφ + cosφ0 * cosφ * cosΔλ); - λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ; + + function wheeled() { + if (!filter.apply(this, arguments)) return; + var g = gesture(this, arguments), + t = this.__zoom, + k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500))); + + // If the mouse is in the same location as before, reuse it. + // If there were recent wheel events, reset the wheel idle timeout. + if (wheelTimer) { + var point = mouse(this); + if (mousePoint[0] !== point[0] || mousePoint[1] !== point[1]) { + mouseLocation = t.invert(mousePoint = point); + } + clearTimeout(wheelTimer); + } + + // If this wheel event won’t trigger a transform change, ignore it. + else if (t.k === k) return; + + // Otherwise, capture the mouse point and location at the start. + else { + g.extent = extent.apply(this, arguments); + mouseLocation = t.invert(mousePoint = mouse(this)); + interrupt(this); + g.start(); + } + + noevent$1(); + wheelTimer = setTimeout(wheelidled, wheelDelay); + g.zoom("mouse", constrain(translate(scale(t, k), mousePoint, mouseLocation), g.extent)); + + function wheelidled() { + wheelTimer = null; + g.end(); + } } - } - function d3_geo_azimuthal(scale, angle) { - function azimuthal(λ, φ) { - var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ); - return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ]; + + function mousedowned() { + if (touchending || !filter.apply(this, arguments)) return; + var g = gesture(this, arguments), + v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true); + + dragDisable(exports.event.view); + nopropagation$1(); + mousemoving = false; + g.extent = extent.apply(this, arguments); + mouseLocation = this.__zoom.invert(mousePoint = mouse(this)); + interrupt(this); + g.start(); + + function mousemoved() { + noevent$1(); + mousemoving = true; + g.zoom("mouse", constrain(translate(g.that.__zoom, mousePoint = mouse(g.that), mouseLocation), g.extent)); + } + + function mouseupped() { + v.on("mousemove.zoom mouseup.zoom", null); + dragEnable(exports.event.view, mousemoving); + noevent$1(); + g.end(); + } + } + + function dblclicked() { + if (!filter.apply(this, arguments)) return; + var t0 = this.__zoom, + p0 = mouse(this), + p1 = t0.invert(p0), + k1 = t0.k * (exports.event.shiftKey ? 0.5 : 2), + t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments)); + + noevent$1(); + if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0); + else select(this).call(zoom.transform, t1); + } + + function touchstarted() { + if (!filter.apply(this, arguments)) return; + var g = gesture(this, arguments), + touches = exports.event.changedTouches, + n = touches.length, i, t, p; + + nopropagation$1(); + for (i = 0; i < n; ++i) { + t = touches[i], p = touch(this, touches, t.identifier); + p = [p, this.__zoom.invert(p), t.identifier]; + if (!g.touch0) g.touch0 = p; + else if (!g.touch1) g.touch1 = p; + } + if (touchstarting) { + touchstarting = clearTimeout(touchstarting); + if (!g.touch1) return g.end(), dblclicked.apply(this, arguments); + } + if (exports.event.touches.length === n) { + touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); + interrupt(this); + g.extent = extent.apply(this, arguments); + g.start(); + } + } + + function touchmoved() { + var g = gesture(this, arguments), + touches = exports.event.changedTouches, + n = touches.length, i, t, p, l; + + noevent$1(); + if (touchstarting) touchstarting = clearTimeout(touchstarting); + for (i = 0; i < n; ++i) { + t = touches[i], p = touch(this, touches, t.identifier); + if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; + else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; + } + t = g.that.__zoom; + if (g.touch1) { + var p0 = g.touch0[0], l0 = g.touch0[1], + p1 = g.touch1[0], l1 = g.touch1[1], + dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp, + dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl; + t = scale(t, Math.sqrt(dp / dl)); + p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2]; + l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2]; + } + else if (g.touch0) p = g.touch0[0], l = g.touch0[1]; + else return; + g.zoom("touch", constrain(translate(t, p, l), g.extent)); } - azimuthal.invert = function(x, y) { - var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c); - return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ]; - }; - return azimuthal; - } - var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) { - return Math.sqrt(2 / (1 + cosλcosφ)); - }, function(ρ) { - return 2 * Math.asin(ρ / 2); - }); - (d3.geo.azimuthalEqualArea = function() { - return d3_geo_projection(d3_geo_azimuthalEqualArea); - }).raw = d3_geo_azimuthalEqualArea; - var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) { - var c = Math.acos(cosλcosφ); - return c && c / Math.sin(c); - }, d3_identity); - (d3.geo.azimuthalEquidistant = function() { - return d3_geo_projection(d3_geo_azimuthalEquidistant); - }).raw = d3_geo_azimuthalEquidistant; - function d3_geo_conicConformal(φ0, φ1) { - var cosφ0 = Math.cos(φ0), t = function(φ) { - return Math.tan(π / 4 + φ / 2); - }, n = φ0 === φ1 ? Math.sin(φ0) : Math.log(cosφ0 / Math.cos(φ1)) / Math.log(t(φ1) / t(φ0)), F = cosφ0 * Math.pow(t(φ0), n) / n; - if (!n) return d3_geo_mercator; - function forward(λ, φ) { - if (F > 0) { - if (φ < -halfπ + ε) φ = -halfπ + ε; - } else { - if (φ > halfπ - ε) φ = halfπ - ε; + + function touchended() { + var g = gesture(this, arguments), + touches = exports.event.changedTouches, + n = touches.length, i, t; + + nopropagation$1(); + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, touchDelay); + for (i = 0; i < n; ++i) { + t = touches[i]; + if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; + else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; } - var ρ = F / Math.pow(t(φ), n); - return [ ρ * Math.sin(n * λ), F - ρ * Math.cos(n * λ) ]; + if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1; + if (!g.touch0) g.end(); } - forward.invert = function(x, y) { - var ρ0_y = F - y, ρ = d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y); - return [ Math.atan2(x, ρ0_y) / n, 2 * Math.atan(Math.pow(F / ρ, 1 / n)) - halfπ ]; + + zoom.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$9(!!_), zoom) : filter; }; - return forward; - } - (d3.geo.conicConformal = function() { - return d3_geo_conic(d3_geo_conicConformal); - }).raw = d3_geo_conicConformal; - function d3_geo_conicEquidistant(φ0, φ1) { - var cosφ0 = Math.cos(φ0), n = φ0 === φ1 ? Math.sin(φ0) : (cosφ0 - Math.cos(φ1)) / (φ1 - φ0), G = cosφ0 / n + φ0; - if (abs(n) < ε) return d3_geo_equirectangular; - function forward(λ, φ) { - var ρ = G - φ; - return [ ρ * Math.sin(n * λ), G - ρ * Math.cos(n * λ) ]; - } - forward.invert = function(x, y) { - var ρ0_y = G - y; - return [ Math.atan2(x, ρ0_y) / n, G - d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y) ]; + + zoom.extent = function(_) { + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$9([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; }; - return forward; - } - (d3.geo.conicEquidistant = function() { - return d3_geo_conic(d3_geo_conicEquidistant); - }).raw = d3_geo_conicEquidistant; - var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) { - return 1 / cosλcosφ; - }, Math.atan); - (d3.geo.gnomonic = function() { - return d3_geo_projection(d3_geo_gnomonic); - }).raw = d3_geo_gnomonic; - function d3_geo_mercator(λ, φ) { - return [ λ, Math.log(Math.tan(π / 4 + φ / 2)) ]; - } - d3_geo_mercator.invert = function(x, y) { - return [ x, 2 * Math.atan(Math.exp(y)) - halfπ ]; - }; - function d3_geo_mercatorProjection(project) { - var m = d3_geo_projection(project), scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, clipAuto; - m.scale = function() { - var v = scale.apply(m, arguments); - return v === m ? clipAuto ? m.clipExtent(null) : m : v; + + zoom.scaleExtent = function(_) { + return arguments.length ? (k0 = +_[0], k1 = +_[1], zoom) : [k0, k1]; }; - m.translate = function() { - var v = translate.apply(m, arguments); - return v === m ? clipAuto ? m.clipExtent(null) : m : v; + + zoom.translateExtent = function(_) { + return arguments.length ? (x0 = +_[0][0], x1 = +_[1][0], y0 = +_[0][1], y1 = +_[1][1], zoom) : [[x0, y0], [x1, y1]]; }; - m.clipExtent = function(_) { - var v = clipExtent.apply(m, arguments); - if (v === m) { - if (clipAuto = _ == null) { - var k = π * scale(), t = translate(); - clipExtent([ [ t[0] - k, t[1] - k ], [ t[0] + k, t[1] + k ] ]); - } - } else if (clipAuto) { - v = null; - } - return v; - }; - return m.clipExtent(null); - } - (d3.geo.mercator = function() { - return d3_geo_mercatorProjection(d3_geo_mercator); - }).raw = d3_geo_mercator; - var d3_geo_orthographic = d3_geo_azimuthal(function() { - return 1; - }, Math.asin); - (d3.geo.orthographic = function() { - return d3_geo_projection(d3_geo_orthographic); - }).raw = d3_geo_orthographic; - var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) { - return 1 / (1 + cosλcosφ); - }, function(ρ) { - return 2 * Math.atan(ρ); - }); - (d3.geo.stereographic = function() { - return d3_geo_projection(d3_geo_stereographic); - }).raw = d3_geo_stereographic; - function d3_geo_transverseMercator(λ, φ) { - return [ Math.log(Math.tan(π / 4 + φ / 2)), -λ ]; - } - d3_geo_transverseMercator.invert = function(x, y) { - return [ -y, 2 * Math.atan(Math.exp(x)) - halfπ ]; - }; - (d3.geo.transverseMercator = function() { - var projection = d3_geo_mercatorProjection(d3_geo_transverseMercator), center = projection.center, rotate = projection.rotate; - projection.center = function(_) { - return _ ? center([ -_[1], _[0] ]) : (_ = center(), [ _[1], -_[0] ]); + + zoom.duration = function(_) { + return arguments.length ? (duration = +_, zoom) : duration; }; - projection.rotate = function(_) { - return _ ? rotate([ _[0], _[1], _.length > 2 ? _[2] + 90 : 90 ]) : (_ = rotate(), - [ _[0], _[1], _[2] - 90 ]); + + zoom.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? zoom : value; }; - return rotate([ 0, 0, 90 ]); - }).raw = d3_geo_transverseMercator; - d3.geom = {}; - function d3_geom_pointX(d) { - return d[0]; - } - function d3_geom_pointY(d) { - return d[1]; + + return zoom; } - d3.geom.hull = function(vertices) { - var x = d3_geom_pointX, y = d3_geom_pointY; - if (arguments.length) return hull(vertices); - function hull(data) { - if (data.length < 3) return []; - var fx = d3_functor(x), fy = d3_functor(y), i, n = data.length, points = [], flippedPoints = []; - for (i = 0; i < n; i++) { - points.push([ +fx.call(this, data[i], i), +fy.call(this, data[i], i), i ]); - } - points.sort(d3_geom_hullOrder); - for (i = 0; i < n; i++) flippedPoints.push([ points[i][0], -points[i][1] ]); - var upper = d3_geom_hullUpper(points), lower = d3_geom_hullUpper(flippedPoints); - var skipLeft = lower[0] === upper[0], skipRight = lower[lower.length - 1] === upper[upper.length - 1], polygon = []; - for (i = upper.length - 1; i >= 0; --i) polygon.push(data[points[upper[i]][2]]); - for (i = +skipLeft; i < lower.length - skipRight; ++i) polygon.push(data[points[lower[i]][2]]); - return polygon; - } - hull.x = function(_) { - return arguments.length ? (x = _, hull) : x; - }; - hull.y = function(_) { - return arguments.length ? (y = _, hull) : y; + + function constant$10(x) { + return function() { + return x; }; - return hull; - }; - function d3_geom_hullUpper(points) { - var n = points.length, hull = [ 0, 1 ], hs = 2; - for (var i = 2; i < n; i++) { - while (hs > 1 && d3_cross2d(points[hull[hs - 2]], points[hull[hs - 1]], points[i]) <= 0) --hs; - hull[hs++] = i; - } - return hull.slice(0, hs); } - function d3_geom_hullOrder(a, b) { - return a[0] - b[0] || a[1] - b[1]; + + function BrushEvent(target, type, selection) { + this.target = target; + this.type = type; + this.selection = selection; + } + + function nopropagation$2() { + exports.event.stopImmediatePropagation(); } - d3.geom.polygon = function(coordinates) { - d3_subclass(coordinates, d3_geom_polygonPrototype); - return coordinates; + + function noevent$2() { + exports.event.preventDefault(); + exports.event.stopImmediatePropagation(); + } + + var MODE_DRAG = {name: "drag"}; + var MODE_SPACE = {name: "space"}; + var MODE_HANDLE = {name: "handle"}; + var MODE_CENTER = {name: "center"}; + var X = { + name: "x", + handles: ["e", "w"].map(type$1), + input: function(x, e) { return x && [[x[0], e[0][1]], [x[1], e[1][1]]]; }, + output: function(xy) { return xy && [xy[0][0], xy[1][0]]; } }; - var d3_geom_polygonPrototype = d3.geom.polygon.prototype = []; - d3_geom_polygonPrototype.area = function() { - var i = -1, n = this.length, a, b = this[n - 1], area = 0; - while (++i < n) { - a = b; - b = this[i]; - area += a[1] * b[0] - a[0] * b[1]; - } - return area * .5; + + var Y = { + name: "y", + handles: ["n", "s"].map(type$1), + input: function(y, e) { return y && [[e[0][0], y[0]], [e[1][0], y[1]]]; }, + output: function(xy) { return xy && [xy[0][1], xy[1][1]]; } }; - d3_geom_polygonPrototype.centroid = function(k) { - var i = -1, n = this.length, x = 0, y = 0, a, b = this[n - 1], c; - if (!arguments.length) k = -1 / (6 * this.area()); - while (++i < n) { - a = b; - b = this[i]; - c = a[0] * b[1] - b[0] * a[1]; - x += (a[0] + b[0]) * c; - y += (a[1] + b[1]) * c; - } - return [ x * k, y * k ]; + + var XY = { + name: "xy", + handles: ["n", "e", "s", "w", "nw", "ne", "se", "sw"].map(type$1), + input: function(xy) { return xy; }, + output: function(xy) { return xy; } }; - d3_geom_polygonPrototype.clip = function(subject) { - var input, closed = d3_geom_polygonClosed(subject), i = -1, n = this.length - d3_geom_polygonClosed(this), j, m, a = this[n - 1], b, c, d; - while (++i < n) { - input = subject.slice(); - subject.length = 0; - b = this[i]; - c = input[(m = input.length - closed) - 1]; - j = -1; - while (++j < m) { - d = input[j]; - if (d3_geom_polygonInside(d, a, b)) { - if (!d3_geom_polygonInside(c, a, b)) { - subject.push(d3_geom_polygonIntersect(c, d, a, b)); - } - subject.push(d); - } else if (d3_geom_polygonInside(c, a, b)) { - subject.push(d3_geom_polygonIntersect(c, d, a, b)); - } - c = d; - } - if (closed) subject.push(subject[0]); - a = b; - } - return subject; + + var cursors = { + overlay: "crosshair", + selection: "move", + n: "ns-resize", + e: "ew-resize", + s: "ns-resize", + w: "ew-resize", + nw: "nwse-resize", + ne: "nesw-resize", + se: "nwse-resize", + sw: "nesw-resize" }; - function d3_geom_polygonInside(p, a, b) { - return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]); - } - function d3_geom_polygonIntersect(c, d, a, b) { - var x1 = c[0], x3 = a[0], x21 = d[0] - x1, x43 = b[0] - x3, y1 = c[1], y3 = a[1], y21 = d[1] - y1, y43 = b[1] - y3, ua = (x43 * (y1 - y3) - y43 * (x1 - x3)) / (y43 * x21 - x43 * y21); - return [ x1 + ua * x21, y1 + ua * y21 ]; + + var flipX = { + e: "w", + w: "e", + nw: "ne", + ne: "nw", + se: "sw", + sw: "se" + }; + + var flipY = { + n: "s", + s: "n", + nw: "sw", + ne: "se", + se: "ne", + sw: "nw" + }; + + var signsX = { + overlay: +1, + selection: +1, + n: null, + e: +1, + s: null, + w: -1, + nw: -1, + ne: +1, + se: +1, + sw: -1 + }; + + var signsY = { + overlay: +1, + selection: +1, + n: -1, + e: null, + s: +1, + w: null, + nw: -1, + ne: -1, + se: +1, + sw: +1 + }; + + function type$1(t) { + return {type: t}; } - function d3_geom_polygonClosed(coordinates) { - var a = coordinates[0], b = coordinates[coordinates.length - 1]; - return !(a[0] - b[0] || a[1] - b[1]); + + // Ignore right-click, since that should open the context menu. + function defaultFilter$2() { + return !exports.event.button; } - var d3_geom_voronoiEdges, d3_geom_voronoiCells, d3_geom_voronoiBeaches, d3_geom_voronoiBeachPool = [], d3_geom_voronoiFirstCircle, d3_geom_voronoiCircles, d3_geom_voronoiCirclePool = []; - function d3_geom_voronoiBeach() { - d3_geom_voronoiRedBlackNode(this); - this.edge = this.site = this.circle = null; + + function defaultExtent$1() { + var svg = this.ownerSVGElement || this; + return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]]; } - function d3_geom_voronoiCreateBeach(site) { - var beach = d3_geom_voronoiBeachPool.pop() || new d3_geom_voronoiBeach(); - beach.site = site; - return beach; + + // Like d3.local, but with the name “__brush” rather than auto-generated. + function local$1(node) { + while (!node.__brush) if (!(node = node.parentNode)) return; + return node.__brush; } - function d3_geom_voronoiDetachBeach(beach) { - d3_geom_voronoiDetachCircle(beach); - d3_geom_voronoiBeaches.remove(beach); - d3_geom_voronoiBeachPool.push(beach); - d3_geom_voronoiRedBlackNode(beach); - } - function d3_geom_voronoiRemoveBeach(beach) { - var circle = beach.circle, x = circle.x, y = circle.cy, vertex = { - x: x, - y: y - }, previous = beach.P, next = beach.N, disappearing = [ beach ]; - d3_geom_voronoiDetachBeach(beach); - var lArc = previous; - while (lArc.circle && abs(x - lArc.circle.x) < ε && abs(y - lArc.circle.cy) < ε) { - previous = lArc.P; - disappearing.unshift(lArc); - d3_geom_voronoiDetachBeach(lArc); - lArc = previous; - } - disappearing.unshift(lArc); - d3_geom_voronoiDetachCircle(lArc); - var rArc = next; - while (rArc.circle && abs(x - rArc.circle.x) < ε && abs(y - rArc.circle.cy) < ε) { - next = rArc.N; - disappearing.push(rArc); - d3_geom_voronoiDetachBeach(rArc); - rArc = next; - } - disappearing.push(rArc); - d3_geom_voronoiDetachCircle(rArc); - var nArcs = disappearing.length, iArc; - for (iArc = 1; iArc < nArcs; ++iArc) { - rArc = disappearing[iArc]; - lArc = disappearing[iArc - 1]; - d3_geom_voronoiSetEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); - } - lArc = disappearing[0]; - rArc = disappearing[nArcs - 1]; - rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, rArc.site, null, vertex); - d3_geom_voronoiAttachCircle(lArc); - d3_geom_voronoiAttachCircle(rArc); + + function empty$1(extent) { + return extent[0][0] === extent[1][0] + || extent[0][1] === extent[1][1]; } - function d3_geom_voronoiAddBeach(site) { - var x = site.x, directrix = site.y, lArc, rArc, dxl, dxr, node = d3_geom_voronoiBeaches._; - while (node) { - dxl = d3_geom_voronoiLeftBreakPoint(node, directrix) - x; - if (dxl > ε) node = node.L; else { - dxr = x - d3_geom_voronoiRightBreakPoint(node, directrix); - if (dxr > ε) { - if (!node.R) { - lArc = node; - break; - } - node = node.R; - } else { - if (dxl > -ε) { - lArc = node.P; - rArc = node; - } else if (dxr > -ε) { - lArc = node; - rArc = node.N; - } else { - lArc = rArc = node; - } - break; - } - } - } - var newArc = d3_geom_voronoiCreateBeach(site); - d3_geom_voronoiBeaches.insert(lArc, newArc); - if (!lArc && !rArc) return; - if (lArc === rArc) { - d3_geom_voronoiDetachCircle(lArc); - rArc = d3_geom_voronoiCreateBeach(lArc.site); - d3_geom_voronoiBeaches.insert(newArc, rArc); - newArc.edge = rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site); - d3_geom_voronoiAttachCircle(lArc); - d3_geom_voronoiAttachCircle(rArc); - return; - } - if (!rArc) { - newArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site); - return; - } - d3_geom_voronoiDetachCircle(lArc); - d3_geom_voronoiDetachCircle(rArc); - var lSite = lArc.site, ax = lSite.x, ay = lSite.y, bx = site.x - ax, by = site.y - ay, rSite = rArc.site, cx = rSite.x - ax, cy = rSite.y - ay, d = 2 * (bx * cy - by * cx), hb = bx * bx + by * by, hc = cx * cx + cy * cy, vertex = { - x: (cy * hb - by * hc) / d + ax, - y: (bx * hc - cx * hb) / d + ay - }; - d3_geom_voronoiSetEdgeEnd(rArc.edge, lSite, rSite, vertex); - newArc.edge = d3_geom_voronoiCreateEdge(lSite, site, null, vertex); - rArc.edge = d3_geom_voronoiCreateEdge(site, rSite, null, vertex); - d3_geom_voronoiAttachCircle(lArc); - d3_geom_voronoiAttachCircle(rArc); + + function brushSelection(node) { + var state = node.__brush; + return state ? state.dim.output(state.selection) : null; } - function d3_geom_voronoiLeftBreakPoint(arc, directrix) { - var site = arc.site, rfocx = site.x, rfocy = site.y, pby2 = rfocy - directrix; - if (!pby2) return rfocx; - var lArc = arc.P; - if (!lArc) return -Infinity; - site = lArc.site; - var lfocx = site.x, lfocy = site.y, plby2 = lfocy - directrix; - if (!plby2) return lfocx; - var hl = lfocx - rfocx, aby2 = 1 / pby2 - 1 / plby2, b = hl / plby2; - if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; - return (rfocx + lfocx) / 2; + + function brushX() { + return brush$1(X); } - function d3_geom_voronoiRightBreakPoint(arc, directrix) { - var rArc = arc.N; - if (rArc) return d3_geom_voronoiLeftBreakPoint(rArc, directrix); - var site = arc.site; - return site.y === directrix ? site.x : Infinity; + + function brushY() { + return brush$1(Y); } - function d3_geom_voronoiCell(site) { - this.site = site; - this.edges = []; + + function brush() { + return brush$1(XY); } - d3_geom_voronoiCell.prototype.prepare = function() { - var halfEdges = this.edges, iHalfEdge = halfEdges.length, edge; - while (iHalfEdge--) { - edge = halfEdges[iHalfEdge].edge; - if (!edge.b || !edge.a) halfEdges.splice(iHalfEdge, 1); + + function brush$1(dim) { + var extent = defaultExtent$1, + filter = defaultFilter$2, + listeners = dispatch(brush, "start", "brush", "end"), + handleSize = 6, + touchending; + + function brush(group) { + var overlay = group + .property("__brush", initialize) + .selectAll(".overlay") + .data([type$1("overlay")]); + + overlay.enter().append("rect") + .attr("class", "overlay") + .attr("pointer-events", "all") + .attr("cursor", cursors.overlay) + .merge(overlay) + .each(function() { + var extent = local$1(this).extent; + select(this) + .attr("x", extent[0][0]) + .attr("y", extent[0][1]) + .attr("width", extent[1][0] - extent[0][0]) + .attr("height", extent[1][1] - extent[0][1]); + }); + + group.selectAll(".selection") + .data([type$1("selection")]) + .enter().append("rect") + .attr("class", "selection") + .attr("cursor", cursors.selection) + .attr("fill", "#777") + .attr("fill-opacity", 0.3) + .attr("stroke", "#fff") + .attr("shape-rendering", "crispEdges"); + + var handle = group.selectAll(".handle") + .data(dim.handles, function(d) { return d.type; }); + + handle.exit().remove(); + + handle.enter().append("rect") + .attr("class", function(d) { return "handle handle--" + d.type; }) + .attr("cursor", function(d) { return cursors[d.type]; }); + + group + .each(redraw) + .attr("fill", "none") + .attr("pointer-events", "all") + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") + .on("mousedown.brush touchstart.brush", started); } - halfEdges.sort(d3_geom_voronoiHalfEdgeOrder); - return halfEdges.length; - }; - function d3_geom_voronoiCloseCells(extent) { - var x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], x2, y2, x3, y3, cells = d3_geom_voronoiCells, iCell = cells.length, cell, iHalfEdge, halfEdges, nHalfEdges, start, end; - while (iCell--) { - cell = cells[iCell]; - if (!cell || !cell.prepare()) continue; - halfEdges = cell.edges; - nHalfEdges = halfEdges.length; - iHalfEdge = 0; - while (iHalfEdge < nHalfEdges) { - end = halfEdges[iHalfEdge].end(), x3 = end.x, y3 = end.y; - start = halfEdges[++iHalfEdge % nHalfEdges].start(), x2 = start.x, y2 = start.y; - if (abs(x3 - x2) > ε || abs(y3 - y2) > ε) { - halfEdges.splice(iHalfEdge, 0, new d3_geom_voronoiHalfEdge(d3_geom_voronoiCreateBorderEdge(cell.site, end, abs(x3 - x0) < ε && y1 - y3 > ε ? { - x: x0, - y: abs(x2 - x0) < ε ? y2 : y1 - } : abs(y3 - y1) < ε && x1 - x3 > ε ? { - x: abs(y2 - y1) < ε ? x2 : x1, - y: y1 - } : abs(x3 - x1) < ε && y3 - y0 > ε ? { - x: x1, - y: abs(x2 - x1) < ε ? y2 : y0 - } : abs(y3 - y0) < ε && x3 - x0 > ε ? { - x: abs(y2 - y0) < ε ? x2 : x0, - y: y0 - } : null), cell.site, null)); - ++nHalfEdges; - } - } - } - } - function d3_geom_voronoiHalfEdgeOrder(a, b) { - return b.angle - a.angle; - } - function d3_geom_voronoiCircle() { - d3_geom_voronoiRedBlackNode(this); - this.x = this.y = this.arc = this.site = this.cy = null; - } - function d3_geom_voronoiAttachCircle(arc) { - var lArc = arc.P, rArc = arc.N; - if (!lArc || !rArc) return; - var lSite = lArc.site, cSite = arc.site, rSite = rArc.site; - if (lSite === rSite) return; - var bx = cSite.x, by = cSite.y, ax = lSite.x - bx, ay = lSite.y - by, cx = rSite.x - bx, cy = rSite.y - by; - var d = 2 * (ax * cy - ay * cx); - if (d >= -ε2) return; - var ha = ax * ax + ay * ay, hc = cx * cx + cy * cy, x = (cy * ha - ay * hc) / d, y = (ax * hc - cx * ha) / d, cy = y + by; - var circle = d3_geom_voronoiCirclePool.pop() || new d3_geom_voronoiCircle(); - circle.arc = arc; - circle.site = cSite; - circle.x = x + bx; - circle.y = cy + Math.sqrt(x * x + y * y); - circle.cy = cy; - arc.circle = circle; - var before = null, node = d3_geom_voronoiCircles._; - while (node) { - if (circle.y < node.y || circle.y === node.y && circle.x <= node.x) { - if (node.L) node = node.L; else { - before = node.P; - break; - } + + brush.move = function(group, selection) { + if (group.selection) { + group + .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) + .on("interrupt.brush end.brush", function() { emitter(this, arguments).end(); }) + .tween("brush", function() { + var that = this, + state = that.__brush, + emit = emitter(that, arguments), + selection0 = state.selection, + selection1 = dim.input(typeof selection === "function" ? selection.apply(this, arguments) : selection, state.extent), + i = interpolate(selection0, selection1); + + function tween(t) { + state.selection = t === 1 && empty$1(selection1) ? null : i(t); + redraw.call(that); + emit.brush(); + } + + return selection0 && selection1 ? tween : tween(1); + }); } else { - if (node.R) node = node.R; else { - before = node; - break; - } + group + .each(function() { + var that = this, + args = arguments, + state = that.__brush, + selection1 = dim.input(typeof selection === "function" ? selection.apply(that, args) : selection, state.extent), + emit = emitter(that, args).beforestart(); + + interrupt(that); + state.selection = selection1 == null || empty$1(selection1) ? null : selection1; + redraw.call(that); + emit.start().brush().end(); + }); + } + }; + + function redraw() { + var group = select(this), + selection = local$1(this).selection; + + if (selection) { + group.selectAll(".selection") + .style("display", null) + .attr("x", selection[0][0]) + .attr("y", selection[0][1]) + .attr("width", selection[1][0] - selection[0][0]) + .attr("height", selection[1][1] - selection[0][1]); + + group.selectAll(".handle") + .style("display", null) + .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection[1][0] - handleSize / 2 : selection[0][0] - handleSize / 2; }) + .attr("y", function(d) { return d.type[0] === "s" ? selection[1][1] - handleSize / 2 : selection[0][1] - handleSize / 2; }) + .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection[1][0] - selection[0][0] + handleSize : handleSize; }) + .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection[1][1] - selection[0][1] + handleSize : handleSize; }); + } + + else { + group.selectAll(".selection,.handle") + .style("display", "none") + .attr("x", null) + .attr("y", null) + .attr("width", null) + .attr("height", null); } } - d3_geom_voronoiCircles.insert(before, circle); - if (!before) d3_geom_voronoiFirstCircle = circle; - } - function d3_geom_voronoiDetachCircle(arc) { - var circle = arc.circle; - if (circle) { - if (!circle.P) d3_geom_voronoiFirstCircle = circle.N; - d3_geom_voronoiCircles.remove(circle); - d3_geom_voronoiCirclePool.push(circle); - d3_geom_voronoiRedBlackNode(circle); - arc.circle = null; + + function emitter(that, args) { + return that.__brush.emitter || new Emitter(that, args); } - } - function d3_geom_voronoiClipEdges(extent) { - var edges = d3_geom_voronoiEdges, clip = d3_geom_clipLine(extent[0][0], extent[0][1], extent[1][0], extent[1][1]), i = edges.length, e; - while (i--) { - e = edges[i]; - if (!d3_geom_voronoiConnectEdge(e, extent) || !clip(e) || abs(e.a.x - e.b.x) < ε && abs(e.a.y - e.b.y) < ε) { - e.a = e.b = null; - edges.splice(i, 1); - } + + function Emitter(that, args) { + this.that = that; + this.args = args; + this.state = that.__brush; + this.active = 0; } - } - function d3_geom_voronoiConnectEdge(edge, extent) { - var vb = edge.b; - if (vb) return true; - var va = edge.a, x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], lSite = edge.l, rSite = edge.r, lx = lSite.x, ly = lSite.y, rx = rSite.x, ry = rSite.y, fx = (lx + rx) / 2, fy = (ly + ry) / 2, fm, fb; - if (ry === ly) { - if (fx < x0 || fx >= x1) return; - if (lx > rx) { - if (!va) va = { - x: fx, - y: y0 - }; else if (va.y >= y1) return; - vb = { - x: fx, - y: y1 - }; - } else { - if (!va) va = { - x: fx, - y: y1 - }; else if (va.y < y0) return; - vb = { - x: fx, - y: y0 - }; + + Emitter.prototype = { + beforestart: function() { + if (++this.active === 1) this.state.emitter = this, this.starting = true; + return this; + }, + start: function() { + if (this.starting) this.starting = false, this.emit("start"); + return this; + }, + brush: function() { + this.emit("brush"); + return this; + }, + end: function() { + if (--this.active === 0) delete this.state.emitter, this.emit("end"); + return this; + }, + emit: function(type) { + customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]); } - } else { - fm = (lx - rx) / (ry - ly); - fb = fy - fm * fx; - if (fm < -1 || fm > 1) { - if (lx > rx) { - if (!va) va = { - x: (y0 - fb) / fm, - y: y0 - }; else if (va.y >= y1) return; - vb = { - x: (y1 - fb) / fm, - y: y1 - }; - } else { - if (!va) va = { - x: (y1 - fb) / fm, - y: y1 - }; else if (va.y < y0) return; - vb = { - x: (y0 - fb) / fm, - y: y0 - }; - } + }; + + function started() { + if (exports.event.touches) { if (exports.event.changedTouches.length < exports.event.touches.length) return noevent$2(); } + else if (touchending) return; + if (!filter.apply(this, arguments)) return; + + var that = this, + type = exports.event.target.__data__.type, + mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE), + signX = dim === Y ? null : signsX[type], + signY = dim === X ? null : signsY[type], + state = local$1(that), + extent = state.extent, + selection = state.selection, + W = extent[0][0], w0, w1, + N = extent[0][1], n0, n1, + E = extent[1][0], e0, e1, + S = extent[1][1], s0, s1, + dx, + dy, + moving, + shifting = signX && signY && exports.event.shiftKey, + lockX, + lockY, + point0 = mouse(that), + point = point0, + emit = emitter(that, arguments).beforestart(); + + if (type === "overlay") { + state.selection = selection = [ + [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], + [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] + ]; } else { - if (ly < ry) { - if (!va) va = { - x: x0, - y: fm * x0 + fb - }; else if (va.x >= x1) return; - vb = { - x: x1, - y: fm * x1 + fb - }; - } else { - if (!va) va = { - x: x1, - y: fm * x1 + fb - }; else if (va.x < x0) return; - vb = { - x: x0, - y: fm * x0 + fb - }; - } + w0 = selection[0][0]; + n0 = selection[0][1]; + e0 = selection[1][0]; + s0 = selection[1][1]; } - } - edge.a = va; - edge.b = vb; - return true; - } - function d3_geom_voronoiEdge(lSite, rSite) { - this.l = lSite; - this.r = rSite; - this.a = this.b = null; - } - function d3_geom_voronoiCreateEdge(lSite, rSite, va, vb) { - var edge = new d3_geom_voronoiEdge(lSite, rSite); - d3_geom_voronoiEdges.push(edge); - if (va) d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, va); - if (vb) d3_geom_voronoiSetEdgeEnd(edge, rSite, lSite, vb); - d3_geom_voronoiCells[lSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, lSite, rSite)); - d3_geom_voronoiCells[rSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, rSite, lSite)); - return edge; - } - function d3_geom_voronoiCreateBorderEdge(lSite, va, vb) { - var edge = new d3_geom_voronoiEdge(lSite, null); - edge.a = va; - edge.b = vb; - d3_geom_voronoiEdges.push(edge); - return edge; - } - function d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, vertex) { - if (!edge.a && !edge.b) { - edge.a = vertex; - edge.l = lSite; - edge.r = rSite; - } else if (edge.l === rSite) { - edge.b = vertex; - } else { - edge.a = vertex; - } - } - function d3_geom_voronoiHalfEdge(edge, lSite, rSite) { - var va = edge.a, vb = edge.b; - this.edge = edge; - this.site = lSite; - this.angle = rSite ? Math.atan2(rSite.y - lSite.y, rSite.x - lSite.x) : edge.l === lSite ? Math.atan2(vb.x - va.x, va.y - vb.y) : Math.atan2(va.x - vb.x, vb.y - va.y); - } - d3_geom_voronoiHalfEdge.prototype = { - start: function() { - return this.edge.l === this.site ? this.edge.a : this.edge.b; - }, - end: function() { - return this.edge.l === this.site ? this.edge.b : this.edge.a; - } - }; - function d3_geom_voronoiRedBlackTree() { - this._ = null; - } - function d3_geom_voronoiRedBlackNode(node) { - node.U = node.C = node.L = node.R = node.P = node.N = null; - } - d3_geom_voronoiRedBlackTree.prototype = { - insert: function(after, node) { - var parent, grandpa, uncle; - if (after) { - node.P = after; - node.N = after.N; - if (after.N) after.N.P = node; - after.N = node; - if (after.R) { - after = after.R; - while (after.L) after = after.L; - after.L = node; - } else { - after.R = node; - } - parent = after; - } else if (this._) { - after = d3_geom_voronoiRedBlackFirst(this._); - node.P = null; - node.N = after; - after.P = after.L = node; - parent = after; + + w1 = w0; + n1 = n0; + e1 = e0; + s1 = s0; + + var group = select(that) + .attr("pointer-events", "none"); + + var overlay = group.selectAll(".overlay") + .attr("cursor", cursors[type]); + + if (exports.event.touches) { + group + .on("touchmove.brush", moved, true) + .on("touchend.brush touchcancel.brush", ended, true); } else { - node.P = node.N = null; - this._ = node; - parent = null; + var view = select(exports.event.view) + .on("keydown.brush", keydowned, true) + .on("keyup.brush", keyupped, true) + .on("mousemove.brush", moved, true) + .on("mouseup.brush", ended, true); + + dragDisable(exports.event.view); } - node.L = node.R = null; - node.U = parent; - node.C = true; - after = node; - while (parent && parent.C) { - grandpa = parent.U; - if (parent === grandpa.L) { - uncle = grandpa.R; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.R) { - d3_geom_voronoiRedBlackRotateLeft(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - d3_geom_voronoiRedBlackRotateRight(this, grandpa); + + nopropagation$2(); + interrupt(that); + redraw.call(that); + emit.start(); + + function moved() { + var point1 = mouse(that); + if (shifting && !lockX && !lockY) { + if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true; + else lockX = true; + } + point = point1; + moving = true; + noevent$2(); + move(); + } + + function move() { + var t; + + dx = point[0] - point0[0]; + dy = point[1] - point0[1]; + + switch (mode) { + case MODE_SPACE: + case MODE_DRAG: { + if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx; + if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy; + break; } - } else { - uncle = grandpa.L; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.L) { - d3_geom_voronoiRedBlackRotateRight(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - d3_geom_voronoiRedBlackRotateLeft(this, grandpa); + case MODE_HANDLE: { + if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0; + else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx; + if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0; + else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy; + break; + } + case MODE_CENTER: { + if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX)); + if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY)); + break; } } - parent = after.U; - } - this._.C = false; - }, - remove: function(node) { - if (node.N) node.N.P = node.P; - if (node.P) node.P.N = node.N; - node.N = node.P = null; - var parent = node.U, sibling, left = node.L, right = node.R, next, red; - if (!left) next = right; else if (!right) next = left; else next = d3_geom_voronoiRedBlackFirst(right); - if (parent) { - if (parent.L === node) parent.L = next; else parent.R = next; - } else { - this._ = next; + + if (e1 < w1) { + signX *= -1; + t = w0, w0 = e0, e0 = t; + t = w1, w1 = e1, e1 = t; + if (type in flipX) overlay.attr("cursor", cursors[type = flipX[type]]); + } + + if (s1 < n1) { + signY *= -1; + t = n0, n0 = s0, s0 = t; + t = n1, n1 = s1, s1 = t; + if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); + } + + selection = state.selection; // May be set by brush.move! + + if (lockX) w1 = selection[0][0], e1 = selection[1][0]; + if (lockY) n1 = selection[0][1], s1 = selection[1][1]; + + if (selection[0][0] !== w1 + || selection[0][1] !== n1 + || selection[1][0] !== e1 + || selection[1][1] !== s1) { + state.selection = [[w1, n1], [e1, s1]]; + redraw.call(that); + emit.brush(); + } } - if (left && right) { - red = next.C; - next.C = node.C; - next.L = left; - left.U = next; - if (next !== right) { - parent = next.U; - next.U = node.U; - node = next.R; - parent.L = node; - next.R = right; - right.U = next; + + function ended() { + nopropagation$2(); + if (exports.event.touches) { + if (exports.event.touches.length) return; + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! + group.on("touchmove.brush touchend.brush touchcancel.brush", null); } else { - next.U = parent; - parent = next; - node = next.R; + dragEnable(exports.event.view, moving); + view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); } - } else { - red = node.C; - node = next; - } - if (node) node.U = parent; - if (red) return; - if (node && node.C) { - node.C = false; - return; + group.attr("pointer-events", "all"); + overlay.attr("cursor", cursors.overlay); + if (empty$1(selection)) state.selection = null, redraw.call(that); + emit.end(); } - do { - if (node === this._) break; - if (node === parent.L) { - sibling = parent.R; - if (sibling.C) { - sibling.C = false; - parent.C = true; - d3_geom_voronoiRedBlackRotateLeft(this, parent); - sibling = parent.R; + + function keydowned() { + switch (exports.event.keyCode) { + case 16: { // SHIFT + shifting = signX && signY; + break; } - if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) { - if (!sibling.R || !sibling.R.C) { - sibling.L.C = false; - sibling.C = true; - d3_geom_voronoiRedBlackRotateRight(this, sibling); - sibling = parent.R; + case 18: { // ALT + if (mode === MODE_HANDLE) { + if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; + if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; + mode = MODE_CENTER; + move(); } - sibling.C = parent.C; - parent.C = sibling.R.C = false; - d3_geom_voronoiRedBlackRotateLeft(this, parent); - node = this._; break; } - } else { - sibling = parent.L; - if (sibling.C) { - sibling.C = false; - parent.C = true; - d3_geom_voronoiRedBlackRotateRight(this, parent); - sibling = parent.L; - } - if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) { - if (!sibling.L || !sibling.L.C) { - sibling.R.C = false; - sibling.C = true; - d3_geom_voronoiRedBlackRotateLeft(this, sibling); - sibling = parent.L; + case 32: { // SPACE; takes priority over ALT + if (mode === MODE_HANDLE || mode === MODE_CENTER) { + if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx; + if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy; + mode = MODE_SPACE; + overlay.attr("cursor", cursors.selection); + move(); } - sibling.C = parent.C; - parent.C = sibling.L.C = false; - d3_geom_voronoiRedBlackRotateRight(this, parent); - node = this._; break; } + default: return; } - sibling.C = true; - node = parent; - parent = parent.U; - } while (!node.C); - if (node) node.C = false; - } - }; - function d3_geom_voronoiRedBlackRotateLeft(tree, node) { - var p = node, q = node.R, parent = p.U; - if (parent) { - if (parent.L === p) parent.L = q; else parent.R = q; - } else { - tree._ = q; - } - q.U = parent; - p.U = q; - p.R = q.L; - if (p.R) p.R.U = p; - q.L = p; - } - function d3_geom_voronoiRedBlackRotateRight(tree, node) { - var p = node, q = node.L, parent = p.U; - if (parent) { - if (parent.L === p) parent.L = q; else parent.R = q; - } else { - tree._ = q; - } - q.U = parent; - p.U = q; - p.L = q.R; - if (p.L) p.L.U = p; - q.R = p; - } - function d3_geom_voronoiRedBlackFirst(node) { - while (node.L) node = node.L; - return node; - } - function d3_geom_voronoi(sites, bbox) { - var site = sites.sort(d3_geom_voronoiVertexOrder).pop(), x0, y0, circle; - d3_geom_voronoiEdges = []; - d3_geom_voronoiCells = new Array(sites.length); - d3_geom_voronoiBeaches = new d3_geom_voronoiRedBlackTree(); - d3_geom_voronoiCircles = new d3_geom_voronoiRedBlackTree(); - while (true) { - circle = d3_geom_voronoiFirstCircle; - if (site && (!circle || site.y < circle.y || site.y === circle.y && site.x < circle.x)) { - if (site.x !== x0 || site.y !== y0) { - d3_geom_voronoiCells[site.i] = new d3_geom_voronoiCell(site); - d3_geom_voronoiAddBeach(site); - x0 = site.x, y0 = site.y; + noevent$2(); + } + + function keyupped() { + switch (exports.event.keyCode) { + case 16: { // SHIFT + if (shifting) { + lockX = lockY = shifting = false; + move(); + } + break; + } + case 18: { // ALT + if (mode === MODE_CENTER) { + if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; + if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; + mode = MODE_HANDLE; + move(); + } + break; + } + case 32: { // SPACE + if (mode === MODE_SPACE) { + if (exports.event.altKey) { + if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; + if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; + mode = MODE_CENTER; + } else { + if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; + if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; + mode = MODE_HANDLE; + } + overlay.attr("cursor", cursors[type]); + move(); + } + break; + } + default: return; } - site = sites.pop(); - } else if (circle) { - d3_geom_voronoiRemoveBeach(circle.arc); - } else { - break; + noevent$2(); } } - if (bbox) d3_geom_voronoiClipEdges(bbox), d3_geom_voronoiCloseCells(bbox); - var diagram = { - cells: d3_geom_voronoiCells, - edges: d3_geom_voronoiEdges - }; - d3_geom_voronoiBeaches = d3_geom_voronoiCircles = d3_geom_voronoiEdges = d3_geom_voronoiCells = null; - return diagram; - } - function d3_geom_voronoiVertexOrder(a, b) { - return b.y - a.y || b.x - a.x; - } - d3.geom.voronoi = function(points) { - var x = d3_geom_pointX, y = d3_geom_pointY, fx = x, fy = y, clipExtent = d3_geom_voronoiClipExtent; - if (points) return voronoi(points); - function voronoi(data) { - var polygons = new Array(data.length), x0 = clipExtent[0][0], y0 = clipExtent[0][1], x1 = clipExtent[1][0], y1 = clipExtent[1][1]; - d3_geom_voronoi(sites(data), clipExtent).cells.forEach(function(cell, i) { - var edges = cell.edges, site = cell.site, polygon = polygons[i] = edges.length ? edges.map(function(e) { - var s = e.start(); - return [ s.x, s.y ]; - }) : site.x >= x0 && site.x <= x1 && site.y >= y0 && site.y <= y1 ? [ [ x0, y1 ], [ x1, y1 ], [ x1, y0 ], [ x0, y0 ] ] : []; - polygon.point = data[i]; - }); - return polygons; - } - function sites(data) { - return data.map(function(d, i) { - return { - x: Math.round(fx(d, i) / ε) * ε, - y: Math.round(fy(d, i) / ε) * ε, - i: i - }; - }); + + function initialize() { + var state = this.__brush || {selection: null}; + state.extent = extent.apply(this, arguments); + state.dim = dim; + return state; } - voronoi.links = function(data) { - return d3_geom_voronoi(sites(data)).edges.filter(function(edge) { - return edge.l && edge.r; - }).map(function(edge) { - return { - source: data[edge.l.i], - target: data[edge.r.i] - }; - }); - }; - voronoi.triangles = function(data) { - var triangles = []; - d3_geom_voronoi(sites(data)).cells.forEach(function(cell, i) { - var site = cell.site, edges = cell.edges.sort(d3_geom_voronoiHalfEdgeOrder), j = -1, m = edges.length, e0, s0, e1 = edges[m - 1].edge, s1 = e1.l === site ? e1.r : e1.l; - while (++j < m) { - e0 = e1; - s0 = s1; - e1 = edges[j].edge; - s1 = e1.l === site ? e1.r : e1.l; - if (i < s0.i && i < s1.i && d3_geom_voronoiTriangleArea(site, s0, s1) < 0) { - triangles.push([ data[i], data[s0.i], data[s1.i] ]); - } - } - }); - return triangles; + + brush.extent = function(_) { + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$10([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), brush) : extent; }; - voronoi.x = function(_) { - return arguments.length ? (fx = d3_functor(x = _), voronoi) : x; + + brush.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$10(!!_), brush) : filter; }; - voronoi.y = function(_) { - return arguments.length ? (fy = d3_functor(y = _), voronoi) : y; + + brush.handleSize = function(_) { + return arguments.length ? (handleSize = +_, brush) : handleSize; }; - voronoi.clipExtent = function(_) { - if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent; - clipExtent = _ == null ? d3_geom_voronoiClipExtent : _; - return voronoi; + + brush.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? brush : value; }; - voronoi.size = function(_) { - if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent && clipExtent[1]; - return voronoi.clipExtent(_ && [ [ 0, 0 ], _ ]); + + return brush; + } + + var cos = Math.cos; + var sin = Math.sin; + var pi$3 = Math.PI; + var halfPi$2 = pi$3 / 2; + var tau$3 = pi$3 * 2; + var max$1 = Math.max; + + function compareValue(compare) { + return function(a, b) { + return compare( + a.source.value + a.target.value, + b.source.value + b.target.value + ); }; - return voronoi; - }; - var d3_geom_voronoiClipExtent = [ [ -1e6, -1e6 ], [ 1e6, 1e6 ] ]; - function d3_geom_voronoiTriangleArea(a, b, c) { - return (a.x - c.x) * (b.y - a.y) - (a.x - b.x) * (c.y - a.y); } - d3.geom.delaunay = function(vertices) { - return d3.geom.voronoi().triangles(vertices); - }; - d3.geom.quadtree = function(points, x1, y1, x2, y2) { - var x = d3_geom_pointX, y = d3_geom_pointY, compat; - if (compat = arguments.length) { - x = d3_geom_quadtreeCompatX; - y = d3_geom_quadtreeCompatY; - if (compat === 3) { - y2 = y1; - x2 = x1; - y1 = x1 = 0; - } - return quadtree(points); - } - function quadtree(data) { - var d, fx = d3_functor(x), fy = d3_functor(y), xs, ys, i, n, x1_, y1_, x2_, y2_; - if (x1 != null) { - x1_ = x1, y1_ = y1, x2_ = x2, y2_ = y2; - } else { - x2_ = y2_ = -(x1_ = y1_ = Infinity); - xs = [], ys = []; - n = data.length; - if (compat) for (i = 0; i < n; ++i) { - d = data[i]; - if (d.x < x1_) x1_ = d.x; - if (d.y < y1_) y1_ = d.y; - if (d.x > x2_) x2_ = d.x; - if (d.y > y2_) y2_ = d.y; - xs.push(d.x); - ys.push(d.y); - } else for (i = 0; i < n; ++i) { - var x_ = +fx(d = data[i], i), y_ = +fy(d, i); - if (x_ < x1_) x1_ = x_; - if (y_ < y1_) y1_ = y_; - if (x_ > x2_) x2_ = x_; - if (y_ > y2_) y2_ = y_; - xs.push(x_); - ys.push(y_); - } - } - var dx = x2_ - x1_, dy = y2_ - y1_; - if (dx > dy) y2_ = y1_ + dx; else x2_ = x1_ + dy; - function insert(n, d, x, y, x1, y1, x2, y2) { - if (isNaN(x) || isNaN(y)) return; - if (n.leaf) { - var nx = n.x, ny = n.y; - if (nx != null) { - if (abs(nx - x) + abs(ny - y) < .01) { - insertChild(n, d, x, y, x1, y1, x2, y2); - } else { - var nPoint = n.point; - n.x = n.y = n.point = null; - insertChild(n, nPoint, nx, ny, x1, y1, x2, y2); - insertChild(n, d, x, y, x1, y1, x2, y2); - } - } else { - n.x = x, n.y = y, n.point = d; - } - } else { - insertChild(n, d, x, y, x1, y1, x2, y2); + + function chord() { + var padAngle = 0, + sortGroups = null, + sortSubgroups = null, + sortChords = null; + + function chord(matrix) { + var n = matrix.length, + groupSums = [], + groupIndex = range(n), + subgroupIndex = [], + chords = [], + groups = chords.groups = new Array(n), + subgroups = new Array(n * n), + k, + x, + x0, + dx, + i, + j; + + // Compute the sum. + k = 0, i = -1; while (++i < n) { + x = 0, j = -1; while (++j < n) { + x += matrix[i][j]; } + groupSums.push(x); + subgroupIndex.push(range(n)); + k += x; } - function insertChild(n, d, x, y, x1, y1, x2, y2) { - var xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym, i = below << 1 | right; - n.leaf = false; - n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode()); - if (right) x1 = xm; else x2 = xm; - if (below) y1 = ym; else y2 = ym; - insert(n, d, x, y, x1, y1, x2, y2); + + // Sort groups… + if (sortGroups) groupIndex.sort(function(a, b) { + return sortGroups(groupSums[a], groupSums[b]); + }); + + // Sort subgroups… + if (sortSubgroups) subgroupIndex.forEach(function(d, i) { + d.sort(function(a, b) { + return sortSubgroups(matrix[i][a], matrix[i][b]); + }); + }); + + // Convert the sum to scaling factor for [0, 2pi]. + // TODO Allow start and end angle to be specified? + // TODO Allow padding to be specified as percentage? + k = max$1(0, tau$3 - padAngle * n) / k; + dx = k ? padAngle : tau$3 / n; + + // Compute the start and end angle for each group and subgroup. + // Note: Opera has a bug reordering object literal properties! + x = 0, i = -1; while (++i < n) { + x0 = x, j = -1; while (++j < n) { + var di = groupIndex[i], + dj = subgroupIndex[di][j], + v = matrix[di][dj], + a0 = x, + a1 = x += v * k; + subgroups[dj * n + di] = { + index: di, + subindex: dj, + startAngle: a0, + endAngle: a1, + value: v + }; + } + groups[di] = { + index: di, + startAngle: x0, + endAngle: x, + value: groupSums[di] + }; + x += dx; } - var root = d3_geom_quadtreeNode(); - root.add = function(d) { - insert(root, d, +fx(d, ++i), +fy(d, i), x1_, y1_, x2_, y2_); - }; - root.visit = function(f) { - d3_geom_quadtreeVisit(f, root, x1_, y1_, x2_, y2_); - }; - root.find = function(point) { - return d3_geom_quadtreeFind(root, point[0], point[1], x1_, y1_, x2_, y2_); - }; - i = -1; - if (x1 == null) { - while (++i < n) { - insert(root, data[i], xs[i], ys[i], x1_, y1_, x2_, y2_); + + // Generate chords for each (non-empty) subgroup-subgroup link. + i = -1; while (++i < n) { + j = i - 1; while (++j < n) { + var source = subgroups[j * n + i], + target = subgroups[i * n + j]; + if (source.value || target.value) { + chords.push(source.value < target.value + ? {source: target, target: source} + : {source: source, target: target}); + } } - --i; - } else data.forEach(root.add); - xs = ys = data = d = null; - return root; + } + + return sortChords ? chords.sort(sortChords) : chords; } - quadtree.x = function(_) { - return arguments.length ? (x = _, quadtree) : x; + + chord.padAngle = function(_) { + return arguments.length ? (padAngle = max$1(0, _), chord) : padAngle; + }; + + chord.sortGroups = function(_) { + return arguments.length ? (sortGroups = _, chord) : sortGroups; }; - quadtree.y = function(_) { - return arguments.length ? (y = _, quadtree) : y; + + chord.sortSubgroups = function(_) { + return arguments.length ? (sortSubgroups = _, chord) : sortSubgroups; }; - quadtree.extent = function(_) { - if (!arguments.length) return x1 == null ? null : [ [ x1, y1 ], [ x2, y2 ] ]; - if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = +_[0][0], y1 = +_[0][1], x2 = +_[1][0], - y2 = +_[1][1]; - return quadtree; + + chord.sortChords = function(_) { + return arguments.length ? (_ == null ? sortChords = null : (sortChords = compareValue(_))._ = _, chord) : sortChords && sortChords._; }; - quadtree.size = function(_) { - if (!arguments.length) return x1 == null ? null : [ x2 - x1, y2 - y1 ]; - if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = y1 = 0, x2 = +_[0], y2 = +_[1]; - return quadtree; + + return chord; + } + + var slice$5 = Array.prototype.slice; + + function constant$11(x) { + return function() { + return x; }; - return quadtree; - }; - function d3_geom_quadtreeCompatX(d) { - return d.x; } - function d3_geom_quadtreeCompatY(d) { - return d.y; + + function defaultSource(d) { + return d.source; } - function d3_geom_quadtreeNode() { - return { - leaf: true, - nodes: [], - point: null, - x: null, - y: null - }; - } - function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) { - if (!f(node, x1, y1, x2, y2)) { - var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes; - if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy); - if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy); - if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2); - if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2); - } - } - function d3_geom_quadtreeFind(root, x, y, x0, y0, x3, y3) { - var minDistance2 = Infinity, closestPoint; - (function find(node, x1, y1, x2, y2) { - if (x1 > x3 || y1 > y3 || x2 < x0 || y2 < y0) return; - if (point = node.point) { - var point, dx = x - node.x, dy = y - node.y, distance2 = dx * dx + dy * dy; - if (distance2 < minDistance2) { - var distance = Math.sqrt(minDistance2 = distance2); - x0 = x - distance, y0 = y - distance; - x3 = x + distance, y3 = y + distance; - closestPoint = point; - } - } - var children = node.nodes, xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym; - for (var i = below << 1 | right, j = i + 4; i < j; ++i) { - if (node = children[i & 3]) switch (i & 3) { - case 0: - find(node, x1, y1, xm, ym); - break; - case 1: - find(node, xm, y1, x2, ym); - break; + function defaultTarget(d) { + return d.target; + } - case 2: - find(node, x1, ym, xm, y2); - break; + function defaultRadius$1(d) { + return d.radius; + } - case 3: - find(node, xm, ym, x2, y2); - break; - } - } - })(root, x0, y0, x3, y3); - return closestPoint; + function defaultStartAngle(d) { + return d.startAngle; } - d3.interpolateRgb = d3_interpolateRgb; - function d3_interpolateRgb(a, b) { - a = d3.rgb(a); - b = d3.rgb(b); - var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab; - return function(t) { - return "#" + d3_rgb_hex(Math.round(ar + br * t)) + d3_rgb_hex(Math.round(ag + bg * t)) + d3_rgb_hex(Math.round(ab + bb * t)); - }; + + function defaultEndAngle(d) { + return d.endAngle; } - d3.interpolateObject = d3_interpolateObject; - function d3_interpolateObject(a, b) { - var i = {}, c = {}, k; - for (k in a) { - if (k in b) { - i[k] = d3_interpolate(a[k], b[k]); - } else { - c[k] = a[k]; - } - } - for (k in b) { - if (!(k in a)) { - c[k] = b[k]; + + function ribbon() { + var source = defaultSource, + target = defaultTarget, + radius = defaultRadius$1, + startAngle = defaultStartAngle, + endAngle = defaultEndAngle, + context = null; + + function ribbon() { + var buffer, + argv = slice$5.call(arguments), + s = source.apply(this, argv), + t = target.apply(this, argv), + sr = +radius.apply(this, (argv[0] = s, argv)), + sa0 = startAngle.apply(this, argv) - halfPi$2, + sa1 = endAngle.apply(this, argv) - halfPi$2, + sx0 = sr * cos(sa0), + sy0 = sr * sin(sa0), + tr = +radius.apply(this, (argv[0] = t, argv)), + ta0 = startAngle.apply(this, argv) - halfPi$2, + ta1 = endAngle.apply(this, argv) - halfPi$2; + + if (!context) context = buffer = path(); + + context.moveTo(sx0, sy0); + context.arc(0, 0, sr, sa0, sa1); + if (sa0 !== ta0 || sa1 !== ta1) { // TODO sr !== tr? + context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0)); + context.arc(0, 0, tr, ta0, ta1); } + context.quadraticCurveTo(0, 0, sx0, sy0); + context.closePath(); + + if (buffer) return context = null, buffer + "" || null; } - return function(t) { - for (k in i) c[k] = i[k](t); - return c; + + ribbon.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$11(+_), ribbon) : radius; }; - } - d3.interpolateNumber = d3_interpolateNumber; - function d3_interpolateNumber(a, b) { - a = +a, b = +b; - return function(t) { - return a * (1 - t) + b * t; + + ribbon.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$11(+_), ribbon) : startAngle; }; + + ribbon.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$11(+_), ribbon) : endAngle; + }; + + ribbon.source = function(_) { + return arguments.length ? (source = _, ribbon) : source; + }; + + ribbon.target = function(_) { + return arguments.length ? (target = _, ribbon) : target; + }; + + ribbon.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), ribbon) : context; + }; + + return ribbon; } - d3.interpolateString = d3_interpolateString; - function d3_interpolateString(a, b) { - var bi = d3_interpolate_numberA.lastIndex = d3_interpolate_numberB.lastIndex = 0, am, bm, bs, i = -1, s = [], q = []; - a = a + "", b = b + ""; - while ((am = d3_interpolate_numberA.exec(a)) && (bm = d3_interpolate_numberB.exec(b))) { - if ((bs = bm.index) > bi) { - bs = b.slice(bi, bs); - if (s[i]) s[i] += bs; else s[++i] = bs; - } - if ((am = am[0]) === (bm = bm[0])) { - if (s[i]) s[i] += bm; else s[++i] = bm; - } else { - s[++i] = null; - q.push({ - i: i, - x: d3_interpolateNumber(am, bm) - }); - } - bi = d3_interpolate_numberB.lastIndex; - } - if (bi < b.length) { - bs = b.slice(bi); - if (s[i]) s[i] += bs; else s[++i] = bs; + + // Adds floating point numbers with twice the normal precision. + // Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and + // Fast Robust Geometric Predicates, Discrete & Computational Geometry 18(3) + // 305–363 (1997). + // Code adapted from GeographicLib by Charles F. F. Karney, + // http://geographiclib.sourceforge.net/ + + function adder() { + return new Adder; + } + + function Adder() { + this.reset(); + } + + Adder.prototype = { + constructor: Adder, + reset: function() { + this.s = // rounded value + this.t = 0; // exact error + }, + add: function(y) { + add$1(temp, y, this.t); + add$1(this, temp.s, this.s); + if (this.s) this.t += temp.t; + else this.s = temp.t; + }, + valueOf: function() { + return this.s; } - return s.length < 2 ? q[0] ? (b = q[0].x, function(t) { - return b(t) + ""; - }) : function() { - return b; - } : (b = q.length, function(t) { - for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); - return s.join(""); - }); + }; + + var temp = new Adder; + + function add$1(adder, a, b) { + var x = adder.s = a + b, + bv = x - a, + av = x - bv; + adder.t = (a - av) + (b - bv); } - var d3_interpolate_numberA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g, d3_interpolate_numberB = new RegExp(d3_interpolate_numberA.source, "g"); - d3.interpolate = d3_interpolate; - function d3_interpolate(a, b) { - var i = d3.interpolators.length, f; - while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ; - return f; + + var epsilon$4 = 1e-6; + var epsilon2$2 = 1e-12; + var pi$4 = Math.PI; + var halfPi$3 = pi$4 / 2; + var quarterPi = pi$4 / 4; + var tau$4 = pi$4 * 2; + + var degrees$1 = 180 / pi$4; + var radians = pi$4 / 180; + + var abs = Math.abs; + var atan = Math.atan; + var atan2 = Math.atan2; + var cos$1 = Math.cos; + var ceil = Math.ceil; + var exp = Math.exp; + var log$1 = Math.log; + var pow$1 = Math.pow; + var sin$1 = Math.sin; + var sign$1 = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; }; + var sqrt$1 = Math.sqrt; + var tan = Math.tan; + + function acos(x) { + return x > 1 ? 0 : x < -1 ? pi$4 : Math.acos(x); } - d3.interpolators = [ function(a, b) { - var t = typeof b; - return (t === "string" ? d3_rgb_names.has(b.toLowerCase()) || /^(#|rgb\(|hsl\()/i.test(b) ? d3_interpolateRgb : d3_interpolateString : b instanceof d3_color ? d3_interpolateRgb : Array.isArray(b) ? d3_interpolateArray : t === "object" && isNaN(b) ? d3_interpolateObject : d3_interpolateNumber)(a, b); - } ]; - d3.interpolateArray = d3_interpolateArray; - function d3_interpolateArray(a, b) { - var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i; - for (i = 0; i < n0; ++i) x.push(d3_interpolate(a[i], b[i])); - for (;i < na; ++i) c[i] = a[i]; - for (;i < nb; ++i) c[i] = b[i]; - return function(t) { - for (i = 0; i < n0; ++i) c[i] = x[i](t); - return c; - }; + + function asin$1(x) { + return x > 1 ? halfPi$3 : x < -1 ? -halfPi$3 : Math.asin(x); + } + + function haversin(x) { + return (x = sin$1(x / 2)) * x; + } + + function noop$2() {} + + function streamGeometry(geometry, stream) { + if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { + streamGeometryType[geometry.type](geometry, stream); + } } - var d3_ease_default = function() { - return d3_identity; + + var streamObjectType = { + Feature: function(feature, stream) { + streamGeometry(feature.geometry, stream); + }, + FeatureCollection: function(object, stream) { + var features = object.features, i = -1, n = features.length; + while (++i < n) streamGeometry(features[i].geometry, stream); + } }; - var d3_ease = d3.map({ - linear: d3_ease_default, - poly: d3_ease_poly, - quad: function() { - return d3_ease_quad; + + var streamGeometryType = { + Sphere: function(object, stream) { + stream.sphere(); + }, + Point: function(object, stream) { + object = object.coordinates; + stream.point(object[0], object[1], object[2]); }, - cubic: function() { - return d3_ease_cubic; + MultiPoint: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]); }, - sin: function() { - return d3_ease_sin; + LineString: function(object, stream) { + streamLine(object.coordinates, stream, 0); }, - exp: function() { - return d3_ease_exp; + MultiLineString: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) streamLine(coordinates[i], stream, 0); }, - circle: function() { - return d3_ease_circle; + Polygon: function(object, stream) { + streamPolygon(object.coordinates, stream); }, - elastic: d3_ease_elastic, - back: d3_ease_back, - bounce: function() { - return d3_ease_bounce; - } - }); - var d3_ease_mode = d3.map({ - "in": d3_identity, - out: d3_ease_reverse, - "in-out": d3_ease_reflect, - "out-in": function(f) { - return d3_ease_reflect(d3_ease_reverse(f)); + MultiPolygon: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) streamPolygon(coordinates[i], stream); + }, + GeometryCollection: function(object, stream) { + var geometries = object.geometries, i = -1, n = geometries.length; + while (++i < n) streamGeometry(geometries[i], stream); } - }); - d3.ease = function(name) { - var i = name.indexOf("-"), t = i >= 0 ? name.slice(0, i) : name, m = i >= 0 ? name.slice(i + 1) : "in"; - t = d3_ease.get(t) || d3_ease_default; - m = d3_ease_mode.get(m) || d3_identity; - return d3_ease_clamp(m(t.apply(null, d3_arraySlice.call(arguments, 1)))); }; - function d3_ease_clamp(f) { - return function(t) { - return t <= 0 ? 0 : t >= 1 ? 1 : f(t); - }; - } - function d3_ease_reverse(f) { - return function(t) { - return 1 - f(1 - t); - }; - } - function d3_ease_reflect(f) { - return function(t) { - return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t)); - }; - } - function d3_ease_quad(t) { - return t * t; - } - function d3_ease_cubic(t) { - return t * t * t; - } - function d3_ease_cubicInOut(t) { - if (t <= 0) return 0; - if (t >= 1) return 1; - var t2 = t * t, t3 = t2 * t; - return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75); - } - function d3_ease_poly(e) { - return function(t) { - return Math.pow(t, e); - }; - } - function d3_ease_sin(t) { - return 1 - Math.cos(t * halfπ); - } - function d3_ease_exp(t) { - return Math.pow(2, 10 * (t - 1)); - } - function d3_ease_circle(t) { - return 1 - Math.sqrt(1 - t * t); - } - function d3_ease_elastic(a, p) { - var s; - if (arguments.length < 2) p = .45; - if (arguments.length) s = p / τ * Math.asin(1 / a); else a = 1, s = p / 4; - return function(t) { - return 1 + a * Math.pow(2, -10 * t) * Math.sin((t - s) * τ / p); - }; - } - function d3_ease_back(s) { - if (!s) s = 1.70158; - return function(t) { - return t * t * ((s + 1) * t - s); - }; - } - function d3_ease_bounce(t) { - return t < 1 / 2.75 ? 7.5625 * t * t : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 : 7.5625 * (t -= 2.625 / 2.75) * t + .984375; - } - d3.interpolateHcl = d3_interpolateHcl; - function d3_interpolateHcl(a, b) { - a = d3.hcl(a); - b = d3.hcl(b); - var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al; - if (isNaN(bc)) bc = 0, ac = isNaN(ac) ? b.c : ac; - if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360; - return function(t) { - return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + ""; - }; - } - d3.interpolateHsl = d3_interpolateHsl; - function d3_interpolateHsl(a, b) { - a = d3.hsl(a); - b = d3.hsl(b); - var ah = a.h, as = a.s, al = a.l, bh = b.h - ah, bs = b.s - as, bl = b.l - al; - if (isNaN(bs)) bs = 0, as = isNaN(as) ? b.s : as; - if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360; - return function(t) { - return d3_hsl_rgb(ah + bh * t, as + bs * t, al + bl * t) + ""; - }; + + function streamLine(coordinates, stream, closed) { + var i = -1, n = coordinates.length - closed, coordinate; + stream.lineStart(); + while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]); + stream.lineEnd(); } - d3.interpolateLab = d3_interpolateLab; - function d3_interpolateLab(a, b) { - a = d3.lab(a); - b = d3.lab(b); - var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab; - return function(t) { - return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + ""; - }; + + function streamPolygon(coordinates, stream) { + var i = -1, n = coordinates.length; + stream.polygonStart(); + while (++i < n) streamLine(coordinates[i], stream, 1); + stream.polygonEnd(); } - d3.interpolateRound = d3_interpolateRound; - function d3_interpolateRound(a, b) { - b -= a; - return function(t) { - return Math.round(a + b * t); - }; + + function stream(object, stream) { + if (object && streamObjectType.hasOwnProperty(object.type)) { + streamObjectType[object.type](object, stream); + } else { + streamGeometry(object, stream); + } } - d3.transform = function(string) { - var g = d3_document.createElementNS(d3.ns.prefix.svg, "g"); - return (d3.transform = function(string) { - if (string != null) { - g.setAttribute("transform", string); - var t = g.transform.baseVal.consolidate(); - } - return new d3_transform(t ? t.matrix : d3_transformIdentity); - })(string); - }; - function d3_transform(m) { - var r0 = [ m.a, m.b ], r1 = [ m.c, m.d ], kx = d3_transformNormalize(r0), kz = d3_transformDot(r0, r1), ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0; - if (r0[0] * r1[1] < r1[0] * r0[1]) { - r0[0] *= -1; - r0[1] *= -1; - kx *= -1; - kz *= -1; - } - this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees; - this.translate = [ m.e, m.f ]; - this.scale = [ kx, ky ]; - this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0; - } - d3_transform.prototype.toString = function() { - return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")"; + + var areaRingSum; + + var areaSum; + var lambda00; + var phi00; + var lambda0; + var cosPhi0; + var sinPhi0; + var areaStream = { + point: noop$2, + lineStart: noop$2, + lineEnd: noop$2, + polygonStart: function() { + areaRingSum.reset(); + areaStream.lineStart = areaRingStart; + areaStream.lineEnd = areaRingEnd; + }, + polygonEnd: function() { + var areaRing = +areaRingSum; + areaSum.add(areaRing < 0 ? tau$4 + areaRing : areaRing); + this.lineStart = this.lineEnd = this.point = noop$2; + }, + sphere: function() { + areaSum.add(tau$4); + } }; - function d3_transformDot(a, b) { - return a[0] * b[0] + a[1] * b[1]; + + function areaRingStart() { + areaStream.point = areaPointFirst; } - function d3_transformNormalize(a) { - var k = Math.sqrt(d3_transformDot(a, a)); - if (k) { - a[0] /= k; - a[1] /= k; - } - return k; + + function areaRingEnd() { + areaPoint(lambda00, phi00); } - function d3_transformCombine(a, b, k) { - a[0] += k * b[0]; - a[1] += k * b[1]; - return a; + + function areaPointFirst(lambda, phi) { + areaStream.point = areaPoint; + lambda00 = lambda, phi00 = phi; + lambda *= radians, phi *= radians; + lambda0 = lambda, cosPhi0 = cos$1(phi = phi / 2 + quarterPi), sinPhi0 = sin$1(phi); } - var d3_transformIdentity = { - a: 1, - b: 0, - c: 0, - d: 1, - e: 0, - f: 0 - }; - d3.interpolateTransform = d3_interpolateTransform; - function d3_interpolateTransformPop(s) { - return s.length ? s.pop() + "," : ""; - } - function d3_interpolateTranslate(ta, tb, s, q) { - if (ta[0] !== tb[0] || ta[1] !== tb[1]) { - var i = s.push("translate(", null, ",", null, ")"); - q.push({ - i: i - 4, - x: d3_interpolateNumber(ta[0], tb[0]) - }, { - i: i - 2, - x: d3_interpolateNumber(ta[1], tb[1]) - }); - } else if (tb[0] || tb[1]) { - s.push("translate(" + tb + ")"); - } + + function areaPoint(lambda, phi) { + lambda *= radians, phi *= radians; + phi = phi / 2 + quarterPi; // half the angular distance from south pole + + // Spherical excess E for a spherical triangle with vertices: south pole, + // previous point, current point. Uses a formula derived from Cagnoli’s + // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2). + var dLambda = lambda - lambda0, + sdLambda = dLambda >= 0 ? 1 : -1, + adLambda = sdLambda * dLambda, + cosPhi = cos$1(phi), + sinPhi = sin$1(phi), + k = sinPhi0 * sinPhi, + u = cosPhi0 * cosPhi + k * cos$1(adLambda), + v = k * sdLambda * sin$1(adLambda); + areaRingSum.add(atan2(v, u)); + + // Advance the previous points. + lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; } - function d3_interpolateRotate(ra, rb, s, q) { - if (ra !== rb) { - if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360; - q.push({ - i: s.push(d3_interpolateTransformPop(s) + "rotate(", null, ")") - 2, - x: d3_interpolateNumber(ra, rb) - }); - } else if (rb) { - s.push(d3_interpolateTransformPop(s) + "rotate(" + rb + ")"); - } + + function area$2(object) { + if (areaSum) areaSum.reset(); + else areaSum = adder(), areaRingSum = adder(); + stream(object, areaStream); + return areaSum * 2; } - function d3_interpolateSkew(wa, wb, s, q) { - if (wa !== wb) { - q.push({ - i: s.push(d3_interpolateTransformPop(s) + "skewX(", null, ")") - 2, - x: d3_interpolateNumber(wa, wb) - }); - } else if (wb) { - s.push(d3_interpolateTransformPop(s) + "skewX(" + wb + ")"); - } - } - function d3_interpolateScale(ka, kb, s, q) { - if (ka[0] !== kb[0] || ka[1] !== kb[1]) { - var i = s.push(d3_interpolateTransformPop(s) + "scale(", null, ",", null, ")"); - q.push({ - i: i - 4, - x: d3_interpolateNumber(ka[0], kb[0]) - }, { - i: i - 2, - x: d3_interpolateNumber(ka[1], kb[1]) - }); - } else if (kb[0] !== 1 || kb[1] !== 1) { - s.push(d3_interpolateTransformPop(s) + "scale(" + kb + ")"); - } - } - function d3_interpolateTransform(a, b) { - var s = [], q = []; - a = d3.transform(a), b = d3.transform(b); - d3_interpolateTranslate(a.translate, b.translate, s, q); - d3_interpolateRotate(a.rotate, b.rotate, s, q); - d3_interpolateSkew(a.skew, b.skew, s, q); - d3_interpolateScale(a.scale, b.scale, s, q); - a = b = null; - return function(t) { - var i = -1, n = q.length, o; - while (++i < n) s[(o = q[i]).i] = o.x(t); - return s.join(""); - }; + + function spherical(cartesian) { + return [atan2(cartesian[1], cartesian[0]), asin$1(cartesian[2])]; } - function d3_uninterpolateNumber(a, b) { - b = (b -= a = +a) || 1 / b; - return function(x) { - return (x - a) / b; - }; + + function cartesian(spherical) { + var lambda = spherical[0], phi = spherical[1], cosPhi = cos$1(phi); + return [cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)]; } - function d3_uninterpolateClamp(a, b) { - b = (b -= a = +a) || 1 / b; - return function(x) { - return Math.max(0, Math.min(1, (x - a) / b)); - }; + + function cartesianDot(a, b) { + return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; } - d3.layout = {}; - d3.layout.bundle = function() { - return function(links) { - var paths = [], i = -1, n = links.length; - while (++i < n) paths.push(d3_layout_bundlePath(links[i])); - return paths; - }; - }; - function d3_layout_bundlePath(link) { - var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ]; - while (start !== lca) { - start = start.parent; - points.push(start); - } - var k = points.length; - while (end !== lca) { - points.splice(k, 0, end); - end = end.parent; - } - return points; + + function cartesianCross(a, b) { + return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]]; } - function d3_layout_bundleAncestors(node) { - var ancestors = [], parent = node.parent; - while (parent != null) { - ancestors.push(node); - node = parent; - parent = parent.parent; - } - ancestors.push(node); - return ancestors; + + // TODO return a + function cartesianAddInPlace(a, b) { + a[0] += b[0], a[1] += b[1], a[2] += b[2]; } - function d3_layout_bundleLeastCommonAncestor(a, b) { - if (a === b) return a; - var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null; - while (aNode === bNode) { - sharedNode = aNode; - aNode = aNodes.pop(); - bNode = bNodes.pop(); - } - return sharedNode; - } - d3.layout.chord = function() { - var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords; - function relayout() { - var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j; - chords = []; - groups = []; - k = 0, i = -1; - while (++i < n) { - x = 0, j = -1; - while (++j < n) { - x += matrix[i][j]; - } - groupSums.push(x); - subgroupIndex.push(d3.range(n)); - k += x; - } - if (sortGroups) { - groupIndex.sort(function(a, b) { - return sortGroups(groupSums[a], groupSums[b]); - }); - } - if (sortSubgroups) { - subgroupIndex.forEach(function(d, i) { - d.sort(function(a, b) { - return sortSubgroups(matrix[i][a], matrix[i][b]); - }); - }); - } - k = (τ - padding * n) / k; - x = 0, i = -1; - while (++i < n) { - x0 = x, j = -1; - while (++j < n) { - var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k; - subgroups[di + "-" + dj] = { - index: di, - subindex: dj, - startAngle: a0, - endAngle: a1, - value: v - }; - } - groups[di] = { - index: di, - startAngle: x0, - endAngle: x, - value: groupSums[di] - }; - x += padding; - } - i = -1; - while (++i < n) { - j = i - 1; - while (++j < n) { - var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i]; - if (source.value || target.value) { - chords.push(source.value < target.value ? { - source: target, - target: source - } : { - source: source, - target: target - }); - } - } - } - if (sortChords) resort(); - } - function resort() { - chords.sort(function(a, b) { - return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2); - }); - } - chord.matrix = function(x) { - if (!arguments.length) return matrix; - n = (matrix = x) && matrix.length; - chords = groups = null; - return chord; - }; - chord.padding = function(x) { - if (!arguments.length) return padding; - padding = x; - chords = groups = null; - return chord; - }; - chord.sortGroups = function(x) { - if (!arguments.length) return sortGroups; - sortGroups = x; - chords = groups = null; - return chord; - }; - chord.sortSubgroups = function(x) { - if (!arguments.length) return sortSubgroups; - sortSubgroups = x; - chords = null; - return chord; - }; - chord.sortChords = function(x) { - if (!arguments.length) return sortChords; - sortChords = x; - if (chords) resort(); - return chord; - }; - chord.chords = function() { - if (!chords) relayout(); - return chords; - }; - chord.groups = function() { - if (!groups) relayout(); - return groups; - }; - return chord; - }; - d3.layout.force = function() { - var force = {}, event = d3.dispatch("start", "tick", "end"), timer, size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, chargeDistance2 = d3_layout_forceChargeDistance2, gravity = .1, theta2 = .64, nodes = [], links = [], distances, strengths, charges; - function repulse(node) { - return function(quad, x1, _, x2) { - if (quad.point !== node) { - var dx = quad.cx - node.x, dy = quad.cy - node.y, dw = x2 - x1, dn = dx * dx + dy * dy; - if (dw * dw / theta2 < dn) { - if (dn < chargeDistance2) { - var k = quad.charge / dn; - node.px -= dx * k; - node.py -= dy * k; - } - return true; - } - if (quad.point && dn && dn < chargeDistance2) { - var k = quad.pointCharge / dn; - node.px -= dx * k; - node.py -= dy * k; - } - } - return !quad.charge; - }; + + function cartesianScale(vector, k) { + return [vector[0] * k, vector[1] * k, vector[2] * k]; + } + + // TODO return d + function cartesianNormalizeInPlace(d) { + var l = sqrt$1(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); + d[0] /= l, d[1] /= l, d[2] /= l; + } + +var lambda0$1; + var phi0; + var lambda1; + var phi1; + var lambda2; +var lambda00$1; +var phi00$1; + var p0; + var deltaSum; + var ranges; +var range$1; + var boundsStream = { + point: boundsPoint, + lineStart: boundsLineStart, + lineEnd: boundsLineEnd, + polygonStart: function() { + boundsStream.point = boundsRingPoint; + boundsStream.lineStart = boundsRingStart; + boundsStream.lineEnd = boundsRingEnd; + deltaSum.reset(); + areaStream.polygonStart(); + }, + polygonEnd: function() { + areaStream.polygonEnd(); + boundsStream.point = boundsPoint; + boundsStream.lineStart = boundsLineStart; + boundsStream.lineEnd = boundsLineEnd; + if (areaRingSum < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); + else if (deltaSum > epsilon$4) phi1 = 90; + else if (deltaSum < -epsilon$4) phi0 = -90; + range$1[0] = lambda0$1, range$1[1] = lambda1; } - force.tick = function() { - if ((alpha *= .99) < .005) { - timer = null; - event.end({ - type: "end", - alpha: alpha = 0 - }); - return true; - } - var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y; - for (i = 0; i < m; ++i) { - o = links[i]; - s = o.source; - t = o.target; - x = t.x - s.x; - y = t.y - s.y; - if (l = x * x + y * y) { - l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l; - x *= l; - y *= l; - t.x -= x * (k = s.weight + t.weight ? s.weight / (s.weight + t.weight) : .5); - t.y -= y * k; - s.x += x * (k = 1 - k); - s.y += y * k; - } - } - if (k = alpha * gravity) { - x = size[0] / 2; - y = size[1] / 2; - i = -1; - if (k) while (++i < n) { - o = nodes[i]; - o.x += (x - o.x) * k; - o.y += (y - o.y) * k; - } - } - if (charge) { - d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges); - i = -1; - while (++i < n) { - if (!(o = nodes[i]).fixed) { - q.visit(repulse(o)); - } - } + }; + + function boundsPoint(lambda, phi) { + ranges.push(range$1 = [lambda0$1 = lambda, lambda1 = lambda]); + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; + } + + function linePoint(lambda, phi) { + var p = cartesian([lambda * radians, phi * radians]); + if (p0) { + var normal = cartesianCross(p0, p), + equatorial = [normal[1], -normal[0], 0], + inflection = cartesianCross(equatorial, normal); + cartesianNormalizeInPlace(inflection); + inflection = spherical(inflection); + var delta = lambda - lambda2, + sign = delta > 0 ? 1 : -1, + lambdai = inflection[0] * degrees$1 * sign, + phii, + antimeridian = abs(delta) > 180; + if (antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { + phii = inflection[1] * degrees$1; + if (phii > phi1) phi1 = phii; + } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { + phii = -inflection[1] * degrees$1; + if (phii < phi0) phi0 = phii; + } else { + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; } - i = -1; - while (++i < n) { - o = nodes[i]; - if (o.fixed) { - o.x = o.px; - o.y = o.py; + if (antimeridian) { + if (lambda < lambda2) { + if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; } else { - o.x -= (o.px - (o.px = o.x)) * friction; - o.y -= (o.py - (o.py = o.y)) * friction; + if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; } - } - event.tick({ - type: "tick", - alpha: alpha - }); - }; - force.nodes = function(x) { - if (!arguments.length) return nodes; - nodes = x; - return force; - }; - force.links = function(x) { - if (!arguments.length) return links; - links = x; - return force; - }; - force.size = function(x) { - if (!arguments.length) return size; - size = x; - return force; - }; - force.linkDistance = function(x) { - if (!arguments.length) return linkDistance; - linkDistance = typeof x === "function" ? x : +x; - return force; - }; - force.distance = force.linkDistance; - force.linkStrength = function(x) { - if (!arguments.length) return linkStrength; - linkStrength = typeof x === "function" ? x : +x; - return force; - }; - force.friction = function(x) { - if (!arguments.length) return friction; - friction = +x; - return force; - }; - force.charge = function(x) { - if (!arguments.length) return charge; - charge = typeof x === "function" ? x : +x; - return force; - }; - force.chargeDistance = function(x) { - if (!arguments.length) return Math.sqrt(chargeDistance2); - chargeDistance2 = x * x; - return force; - }; - force.gravity = function(x) { - if (!arguments.length) return gravity; - gravity = +x; - return force; - }; - force.theta = function(x) { - if (!arguments.length) return Math.sqrt(theta2); - theta2 = x * x; - return force; - }; - force.alpha = function(x) { - if (!arguments.length) return alpha; - x = +x; - if (alpha) { - if (x > 0) { - alpha = x; + } else { + if (lambda1 >= lambda0$1) { + if (lambda < lambda0$1) lambda0$1 = lambda; + if (lambda > lambda1) lambda1 = lambda; } else { - timer.c = null, timer.t = NaN, timer = null; - event.end({ - type: "end", - alpha: alpha = 0 - }); - } - } else if (x > 0) { - event.start({ - type: "start", - alpha: alpha = x - }); - timer = d3_timer(force.tick); - } - return force; - }; - force.start = function() { - var i, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o; - for (i = 0; i < n; ++i) { - (o = nodes[i]).index = i; - o.weight = 0; - } - for (i = 0; i < m; ++i) { - o = links[i]; - if (typeof o.source == "number") o.source = nodes[o.source]; - if (typeof o.target == "number") o.target = nodes[o.target]; - ++o.source.weight; - ++o.target.weight; - } - for (i = 0; i < n; ++i) { - o = nodes[i]; - if (isNaN(o.x)) o.x = position("x", w); - if (isNaN(o.y)) o.y = position("y", h); - if (isNaN(o.px)) o.px = o.x; - if (isNaN(o.py)) o.py = o.y; - } - distances = []; - if (typeof linkDistance === "function") for (i = 0; i < m; ++i) distances[i] = +linkDistance.call(this, links[i], i); else for (i = 0; i < m; ++i) distances[i] = linkDistance; - strengths = []; - if (typeof linkStrength === "function") for (i = 0; i < m; ++i) strengths[i] = +linkStrength.call(this, links[i], i); else for (i = 0; i < m; ++i) strengths[i] = linkStrength; - charges = []; - if (typeof charge === "function") for (i = 0; i < n; ++i) charges[i] = +charge.call(this, nodes[i], i); else for (i = 0; i < n; ++i) charges[i] = charge; - function position(dimension, size) { - if (!neighbors) { - neighbors = new Array(n); - for (j = 0; j < n; ++j) { - neighbors[j] = []; - } - for (j = 0; j < m; ++j) { - var o = links[j]; - neighbors[o.source.index].push(o.target); - neighbors[o.target.index].push(o.source); + if (lambda > lambda2) { + if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; + } else { + if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; } } - var candidates = neighbors[i], j = -1, l = candidates.length, x; - while (++j < l) if (!isNaN(x = candidates[j][dimension])) return x; - return Math.random() * size; } - return force.resume(); - }; - force.resume = function() { - return force.alpha(.1); - }; - force.stop = function() { - return force.alpha(0); - }; - force.drag = function() { - if (!drag) drag = d3.behavior.drag().origin(d3_identity).on("dragstart.force", d3_layout_forceDragstart).on("drag.force", dragmove).on("dragend.force", d3_layout_forceDragend); - if (!arguments.length) return drag; - this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag); - }; - function dragmove(d) { - d.px = d3.event.x, d.py = d3.event.y; - force.resume(); + } else { + boundsPoint(lambda, phi); } - return d3.rebind(force, event, "on"); - }; - function d3_layout_forceDragstart(d) { - d.fixed |= 2; + p0 = p, lambda2 = lambda; } - function d3_layout_forceDragend(d) { - d.fixed &= ~6; + + function boundsLineStart() { + boundsStream.point = linePoint; } - function d3_layout_forceMouseover(d) { - d.fixed |= 4; - d.px = d.x, d.py = d.y; + + function boundsLineEnd() { + range$1[0] = lambda0$1, range$1[1] = lambda1; + boundsStream.point = boundsPoint; + p0 = null; } - function d3_layout_forceMouseout(d) { - d.fixed &= ~4; + + function boundsRingPoint(lambda, phi) { + if (p0) { + var delta = lambda - lambda2; + deltaSum.add(abs(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta); + } else { + lambda00$1 = lambda, phi00$1 = phi; + } + areaStream.point(lambda, phi); + linePoint(lambda, phi); } - function d3_layout_forceAccumulate(quad, alpha, charges) { - var cx = 0, cy = 0; - quad.charge = 0; - if (!quad.leaf) { - var nodes = quad.nodes, n = nodes.length, i = -1, c; - while (++i < n) { - c = nodes[i]; - if (c == null) continue; - d3_layout_forceAccumulate(c, alpha, charges); - quad.charge += c.charge; - cx += c.charge * c.cx; - cy += c.charge * c.cy; - } - } - if (quad.point) { - if (!quad.leaf) { - quad.point.x += Math.random() - .5; - quad.point.y += Math.random() - .5; - } - var k = alpha * charges[quad.point.index]; - quad.charge += quad.pointCharge = k; - cx += k * quad.point.x; - cy += k * quad.point.y; - } - quad.cx = cx / quad.charge; - quad.cy = cy / quad.charge; - } - var d3_layout_forceLinkDistance = 20, d3_layout_forceLinkStrength = 1, d3_layout_forceChargeDistance2 = Infinity; - d3.layout.hierarchy = function() { - var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue; - function hierarchy(root) { - var stack = [ root ], nodes = [], node; - root.depth = 0; - while ((node = stack.pop()) != null) { - nodes.push(node); - if ((childs = children.call(hierarchy, node, node.depth)) && (n = childs.length)) { - var n, childs, child; - while (--n >= 0) { - stack.push(child = childs[n]); - child.parent = node; - child.depth = node.depth + 1; - } - if (value) node.value = 0; - node.children = childs; + + function boundsRingStart() { + areaStream.lineStart(); + } + + function boundsRingEnd() { + boundsRingPoint(lambda00$1, phi00$1); + areaStream.lineEnd(); + if (abs(deltaSum) > epsilon$4) lambda0$1 = -(lambda1 = 180); + range$1[0] = lambda0$1, range$1[1] = lambda1; + p0 = null; + } + + // Finds the left-right distance between two longitudes. + // This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want + // the distance between ±180° to be 360°. + function angle(lambda0, lambda1) { + return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1; + } + + function rangeCompare(a, b) { + return a[0] - b[0]; + } + + function rangeContains(range, x) { + return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; + } + + function bounds(feature) { + var i, n, a, b, merged, deltaMax, delta; + + if (deltaSum) deltaSum.reset(); + else deltaSum = adder(); + phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); + ranges = []; + stream(feature, boundsStream); + + // First, sort ranges by their minimum longitudes. + if (n = ranges.length) { + ranges.sort(rangeCompare); + + // Then, merge any ranges that overlap. + for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) { + b = ranges[i]; + if (rangeContains(a, b[0]) || rangeContains(a, b[1])) { + if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; + if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; } else { - if (value) node.value = +value.call(hierarchy, node, node.depth) || 0; - delete node.children; + merged.push(a = b); } } - d3_layout_hierarchyVisitAfter(root, function(node) { - var childs, parent; - if (sort && (childs = node.children)) childs.sort(sort); - if (value && (parent = node.parent)) parent.value += node.value; - }); - return nodes; - } - hierarchy.sort = function(x) { - if (!arguments.length) return sort; - sort = x; - return hierarchy; - }; - hierarchy.children = function(x) { - if (!arguments.length) return children; - children = x; - return hierarchy; - }; - hierarchy.value = function(x) { - if (!arguments.length) return value; - value = x; - return hierarchy; - }; - hierarchy.revalue = function(root) { - if (value) { - d3_layout_hierarchyVisitBefore(root, function(node) { - if (node.children) node.value = 0; - }); - d3_layout_hierarchyVisitAfter(root, function(node) { - var parent; - if (!node.children) node.value = +value.call(hierarchy, node, node.depth) || 0; - if (parent = node.parent) parent.value += node.value; - }); - } - return root; - }; - return hierarchy; - }; - function d3_layout_hierarchyRebind(object, hierarchy) { - d3.rebind(object, hierarchy, "sort", "children", "value"); - object.nodes = object; - object.links = d3_layout_hierarchyLinks; - return object; - } - function d3_layout_hierarchyVisitBefore(node, callback) { - var nodes = [ node ]; - while ((node = nodes.pop()) != null) { - callback(node); - if ((children = node.children) && (n = children.length)) { - var n, children; - while (--n >= 0) nodes.push(children[n]); + + // Finally, find the largest gap between the merged ranges. + // The final bounding box will be the inverse of this gap. + for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) { + b = merged[i]; + if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1]; } } + + ranges = range$1 = null; + + return lambda0$1 === Infinity || phi0 === Infinity + ? [[NaN, NaN], [NaN, NaN]] + : [[lambda0$1, phi0], [lambda1, phi1]]; } - function d3_layout_hierarchyVisitAfter(node, callback) { - var nodes = [ node ], nodes2 = []; - while ((node = nodes.pop()) != null) { - nodes2.push(node); - if ((children = node.children) && (n = children.length)) { - var i = -1, n, children; - while (++i < n) nodes.push(children[i]); - } - } - while ((node = nodes2.pop()) != null) { - callback(node); + + var W0; + var W1; + var X0; + var Y0; + var Z0; + var X1; + var Y1; + var Z1; + var X2; + var Y2; + var Z2; +var lambda00$2; +var phi00$2; + var x0; + var y0; + var z0; + // previous point + + var centroidStream = { + sphere: noop$2, + point: centroidPoint, + lineStart: centroidLineStart, + lineEnd: centroidLineEnd, + polygonStart: function() { + centroidStream.lineStart = centroidRingStart; + centroidStream.lineEnd = centroidRingEnd; + }, + polygonEnd: function() { + centroidStream.lineStart = centroidLineStart; + centroidStream.lineEnd = centroidLineEnd; } + }; + + // Arithmetic mean of Cartesian vectors. + function centroidPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi); + centroidPointCartesian(cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)); } - function d3_layout_hierarchyChildren(d) { - return d.children; + + function centroidPointCartesian(x, y, z) { + ++W0; + X0 += (x - X0) / W0; + Y0 += (y - Y0) / W0; + Z0 += (z - Z0) / W0; } - function d3_layout_hierarchyValue(d) { - return d.value; + + function centroidLineStart() { + centroidStream.point = centroidLinePointFirst; } - function d3_layout_hierarchySort(a, b) { - return b.value - a.value; + + function centroidLinePointFirst(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi); + x0 = cosPhi * cos$1(lambda); + y0 = cosPhi * sin$1(lambda); + z0 = sin$1(phi); + centroidStream.point = centroidLinePoint; + centroidPointCartesian(x0, y0, z0); } - function d3_layout_hierarchyLinks(nodes) { - return d3.merge(nodes.map(function(parent) { - return (parent.children || []).map(function(child) { - return { - source: parent, - target: child - }; - }); - })); + + function centroidLinePoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi), + x = cosPhi * cos$1(lambda), + y = cosPhi * sin$1(lambda), + z = sin$1(phi), + w = atan2(sqrt$1((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); + W1 += w; + X1 += w * (x0 + (x0 = x)); + Y1 += w * (y0 + (y0 = y)); + Z1 += w * (z0 + (z0 = z)); + centroidPointCartesian(x0, y0, z0); } - d3.layout.partition = function() { - var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ]; - function position(node, x, dx, dy) { - var children = node.children; - node.x = x; - node.y = node.depth * dy; - node.dx = dx; - node.dy = dy; - if (children && (n = children.length)) { - var i = -1, n, c, d; - dx = node.value ? dx / node.value : 0; - while (++i < n) { - position(c = children[i], x, d = c.value * dx, dy); - x += d; - } - } - } - function depth(node) { - var children = node.children, d = 0; - if (children && (n = children.length)) { - var i = -1, n; - while (++i < n) d = Math.max(d, depth(children[i])); - } - return 1 + d; - } - function partition(d, i) { - var nodes = hierarchy.call(this, d, i); - position(nodes[0], 0, size[0], size[1] / depth(nodes[0])); - return nodes; + + function centroidLineEnd() { + centroidStream.point = centroidPoint; + } + + // See J. E. Brock, The Inertia Tensor for a Spherical Triangle, + // J. Applied Mechanics 42, 239 (1975). + function centroidRingStart() { + centroidStream.point = centroidRingPointFirst; + } + + function centroidRingEnd() { + centroidRingPoint(lambda00$2, phi00$2); + centroidStream.point = centroidPoint; + } + + function centroidRingPointFirst(lambda, phi) { + lambda00$2 = lambda, phi00$2 = phi; + lambda *= radians, phi *= radians; + centroidStream.point = centroidRingPoint; + var cosPhi = cos$1(phi); + x0 = cosPhi * cos$1(lambda); + y0 = cosPhi * sin$1(lambda); + z0 = sin$1(phi); + centroidPointCartesian(x0, y0, z0); + } + + function centroidRingPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi), + x = cosPhi * cos$1(lambda), + y = cosPhi * sin$1(lambda), + z = sin$1(phi), + cx = y0 * z - z0 * y, + cy = z0 * x - x0 * z, + cz = x0 * y - y0 * x, + m = sqrt$1(cx * cx + cy * cy + cz * cz), + u = x0 * x + y0 * y + z0 * z, + v = m && -acos(u) / m, // area weight + w = atan2(m, u); // line weight + X2 += v * cx; + Y2 += v * cy; + Z2 += v * cz; + W1 += w; + X1 += w * (x0 + (x0 = x)); + Y1 += w * (y0 + (y0 = y)); + Z1 += w * (z0 + (z0 = z)); + centroidPointCartesian(x0, y0, z0); + } + + function centroid$1(object) { + W0 = W1 = + X0 = Y0 = Z0 = + X1 = Y1 = Z1 = + X2 = Y2 = Z2 = 0; + stream(object, centroidStream); + + var x = X2, + y = Y2, + z = Z2, + m = x * x + y * y + z * z; + + // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid. + if (m < epsilon2$2) { + x = X1, y = Y1, z = Z1; + // If the feature has zero length, fall back to arithmetic mean of point vectors. + if (W1 < epsilon$4) x = X0, y = Y0, z = Z0; + m = x * x + y * y + z * z; + // If the feature still has an undefined ccentroid, then return. + if (m < epsilon2$2) return [NaN, NaN]; } - partition.size = function(x) { - if (!arguments.length) return size; - size = x; - return partition; + + return [atan2(y, x) * degrees$1, asin$1(z / sqrt$1(m)) * degrees$1]; + } + + function constant$12(x) { + return function() { + return x; }; - return d3_layout_hierarchyRebind(partition, hierarchy); - }; - d3.layout.pie = function() { - var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = τ, padAngle = 0; - function pie(data) { - var n = data.length, values = data.map(function(d, i) { - return +value.call(pie, d, i); - }), a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle), da = (typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a, p = Math.min(Math.abs(da) / n, +(typeof padAngle === "function" ? padAngle.apply(this, arguments) : padAngle)), pa = p * (da < 0 ? -1 : 1), sum = d3.sum(values), k = sum ? (da - n * pa) / sum : 0, index = d3.range(n), arcs = [], v; - if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) { - return values[j] - values[i]; - } : function(i, j) { - return sort(data[i], data[j]); - }); - index.forEach(function(i) { - arcs[i] = { - data: data[i], - value: v = values[i], - startAngle: a, - endAngle: a += v * k + pa, - padAngle: p - }; - }); - return arcs; + } + + function compose(a, b) { + + function compose(x, y) { + return x = a(x, y), b(x[0], x[1]); } - pie.value = function(_) { - if (!arguments.length) return value; - value = _; - return pie; - }; - pie.sort = function(_) { - if (!arguments.length) return sort; - sort = _; - return pie; - }; - pie.startAngle = function(_) { - if (!arguments.length) return startAngle; - startAngle = _; - return pie; - }; - pie.endAngle = function(_) { - if (!arguments.length) return endAngle; - endAngle = _; - return pie; + + if (a.invert && b.invert) compose.invert = function(x, y) { + return x = b.invert(x, y), x && a.invert(x[0], x[1]); }; - pie.padAngle = function(_) { - if (!arguments.length) return padAngle; - padAngle = _; - return pie; + + return compose; + } + + function rotationIdentity(lambda, phi) { + return [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi]; + } + + rotationIdentity.invert = rotationIdentity; + + function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { + return (deltaLambda %= tau$4) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) + : rotationLambda(deltaLambda)) + : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) + : rotationIdentity); + } + + function forwardRotationLambda(deltaLambda) { + return function(lambda, phi) { + return lambda += deltaLambda, [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi]; }; - return pie; - }; - var d3_layout_pieSortByValue = {}; - d3.layout.stack = function() { - var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY; - function stack(data, index) { - if (!(n = data.length)) return data; - var series = data.map(function(d, i) { - return values.call(stack, d, i); - }); - var points = series.map(function(d) { - return d.map(function(v, i) { - return [ x.call(stack, v, i), y.call(stack, v, i) ]; - }); - }); - var orders = order.call(stack, points, index); - series = d3.permute(series, orders); - points = d3.permute(points, orders); - var offsets = offset.call(stack, points, index); - var m = series[0].length, n, i, j, o; - for (j = 0; j < m; ++j) { - out.call(stack, series[0][j], o = offsets[j], points[0][j][1]); - for (i = 1; i < n; ++i) { - out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]); - } - } - return data; + } + + function rotationLambda(deltaLambda) { + var rotation = forwardRotationLambda(deltaLambda); + rotation.invert = forwardRotationLambda(-deltaLambda); + return rotation; + } + + function rotationPhiGamma(deltaPhi, deltaGamma) { + var cosDeltaPhi = cos$1(deltaPhi), + sinDeltaPhi = sin$1(deltaPhi), + cosDeltaGamma = cos$1(deltaGamma), + sinDeltaGamma = sin$1(deltaGamma); + + function rotation(lambda, phi) { + var cosPhi = cos$1(phi), + x = cos$1(lambda) * cosPhi, + y = sin$1(lambda) * cosPhi, + z = sin$1(phi), + k = z * cosDeltaPhi + x * sinDeltaPhi; + return [ + atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi), + asin$1(k * cosDeltaGamma + y * sinDeltaGamma) + ]; } - stack.values = function(x) { - if (!arguments.length) return values; - values = x; - return stack; - }; - stack.order = function(x) { - if (!arguments.length) return order; - order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault; - return stack; - }; - stack.offset = function(x) { - if (!arguments.length) return offset; - offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero; - return stack; - }; - stack.x = function(z) { - if (!arguments.length) return x; - x = z; - return stack; - }; - stack.y = function(z) { - if (!arguments.length) return y; - y = z; - return stack; - }; - stack.out = function(z) { - if (!arguments.length) return out; - out = z; - return stack; + + rotation.invert = function(lambda, phi) { + var cosPhi = cos$1(phi), + x = cos$1(lambda) * cosPhi, + y = sin$1(lambda) * cosPhi, + z = sin$1(phi), + k = z * cosDeltaGamma - y * sinDeltaGamma; + return [ + atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi), + asin$1(k * cosDeltaPhi - x * sinDeltaPhi) + ]; }; - return stack; - }; - function d3_layout_stackX(d) { - return d.x; + + return rotation; } - function d3_layout_stackY(d) { - return d.y; + + function rotation(rotate) { + rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); + + function forward(coordinates) { + coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians); + return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; + } + + forward.invert = function(coordinates) { + coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians); + return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; + }; + + return forward; } - function d3_layout_stackOut(d, y0, y) { - d.y0 = y0; - d.y = y; + + // Generates a circle centered at [0°, 0°], with a given radius and precision. + function circleStream(stream, radius, delta, direction, t0, t1) { + if (!delta) return; + var cosRadius = cos$1(radius), + sinRadius = sin$1(radius), + step = direction * delta; + if (t0 == null) { + t0 = radius + direction * tau$4; + t1 = radius - step / 2; + } else { + t0 = circleRadius(cosRadius, t0); + t1 = circleRadius(cosRadius, t1); + if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$4; + } + for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) { + point = spherical([cosRadius, -sinRadius * cos$1(t), -sinRadius * sin$1(t)]); + stream.point(point[0], point[1]); + } } - var d3_layout_stackOrders = d3.map({ - "inside-out": function(data) { - var n = data.length, i, j, max = data.map(d3_layout_stackMaxIndex), sums = data.map(d3_layout_stackReduceSum), index = d3.range(n).sort(function(a, b) { - return max[a] - max[b]; - }), top = 0, bottom = 0, tops = [], bottoms = []; - for (i = 0; i < n; ++i) { - j = index[i]; - if (top < bottom) { - top += sums[j]; - tops.push(j); - } else { - bottom += sums[j]; - bottoms.push(j); - } - } - return bottoms.reverse().concat(tops); - }, - reverse: function(data) { - return d3.range(data.length).reverse(); - }, - "default": d3_layout_stackOrderDefault - }); - var d3_layout_stackOffsets = d3.map({ - silhouette: function(data) { - var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = []; - for (j = 0; j < m; ++j) { - for (i = 0, o = 0; i < n; i++) o += data[i][j][1]; - if (o > max) max = o; - sums.push(o); - } - for (j = 0; j < m; ++j) { - y0[j] = (max - sums[j]) / 2; - } - return y0; - }, - wiggle: function(data) { - var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = []; - y0[0] = o = o0 = 0; - for (j = 1; j < m; ++j) { - for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1]; - for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) { - for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) { - s3 += (data[k][j][1] - data[k][j - 1][1]) / dx; - } - s2 += s3 * data[i][j][1]; - } - y0[j] = o -= s1 ? s2 / s1 * dx : 0; - if (o < o0) o0 = o; - } - for (j = 0; j < m; ++j) y0[j] -= o0; - return y0; - }, - expand: function(data) { - var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = []; - for (j = 0; j < m; ++j) { - for (i = 0, o = 0; i < n; i++) o += data[i][j][1]; - if (o) for (i = 0; i < n; i++) data[i][j][1] /= o; else for (i = 0; i < n; i++) data[i][j][1] = k; - } - for (j = 0; j < m; ++j) y0[j] = 0; - return y0; - }, - zero: d3_layout_stackOffsetZero - }); - function d3_layout_stackOrderDefault(data) { - return d3.range(data.length); + + // Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0]. + function circleRadius(cosRadius, point) { + point = cartesian(point), point[0] -= cosRadius; + cartesianNormalizeInPlace(point); + var radius = acos(-point[1]); + return ((-point[2] < 0 ? -radius : radius) + tau$4 - epsilon$4) % tau$4; } - function d3_layout_stackOffsetZero(data) { - var j = -1, m = data[0].length, y0 = []; - while (++j < m) y0[j] = 0; - return y0; + + function circle$1() { + var center = constant$12([0, 0]), + radius = constant$12(90), + precision = constant$12(6), + ring, + rotate, + stream = {point: point}; + + function point(x, y) { + ring.push(x = rotate(x, y)); + x[0] *= degrees$1, x[1] *= degrees$1; + } + + function circle() { + var c = center.apply(this, arguments), + r = radius.apply(this, arguments) * radians, + p = precision.apply(this, arguments) * radians; + ring = []; + rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert; + circleStream(stream, r, p, 1); + c = {type: "Polygon", coordinates: [ring]}; + ring = rotate = null; + return c; + } + + circle.center = function(_) { + return arguments.length ? (center = typeof _ === "function" ? _ : constant$12([+_[0], +_[1]]), circle) : center; + }; + + circle.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$12(+_), circle) : radius; + }; + + circle.precision = function(_) { + return arguments.length ? (precision = typeof _ === "function" ? _ : constant$12(+_), circle) : precision; + }; + + return circle; } - function d3_layout_stackMaxIndex(array) { - var i = 1, j = 0, v = array[0][1], k, n = array.length; - for (;i < n; ++i) { - if ((k = array[i][1]) > v) { - j = i; - v = k; + + function clipBuffer() { + var lines = [], + line; + return { + point: function(x, y) { + line.push([x, y]); + }, + lineStart: function() { + lines.push(line = []); + }, + lineEnd: noop$2, + rejoin: function() { + if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); + }, + result: function() { + var result = lines; + lines = []; + line = null; + return result; } - } - return j; - } - function d3_layout_stackReduceSum(d) { - return d.reduce(d3_layout_stackSum, 0); - } - function d3_layout_stackSum(p, d) { - return p + d[1]; + }; } - d3.layout.histogram = function() { - var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges; - function histogram(data, i) { - var bins = [], values = data.map(valuer, this), range = ranger.call(this, values, i), thresholds = binner.call(this, range, values, i), bin, i = -1, n = values.length, m = thresholds.length - 1, k = frequency ? 1 : 1 / n, x; - while (++i < m) { - bin = bins[i] = []; - bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]); - bin.y = 0; - } - if (m > 0) { - i = -1; - while (++i < n) { - x = values[i]; - if (x >= range[0] && x <= range[1]) { - bin = bins[d3.bisect(thresholds, x, 1, m) - 1]; - bin.y += k; - bin.push(data[i]); - } - } - } - return bins; + + function clipLine(a, b, x0, y0, x1, y1) { + var ax = a[0], + ay = a[1], + bx = b[0], + by = b[1], + t0 = 0, + t1 = 1, + dx = bx - ax, + dy = by - ay, + r; + + r = x0 - ax; + if (!dx && r > 0) return; + r /= dx; + if (dx < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dx > 0) { + if (r > t1) return; + if (r > t0) t0 = r; } - histogram.value = function(x) { - if (!arguments.length) return valuer; - valuer = x; - return histogram; - }; - histogram.range = function(x) { - if (!arguments.length) return ranger; - ranger = d3_functor(x); - return histogram; - }; - histogram.bins = function(x) { - if (!arguments.length) return binner; - binner = typeof x === "number" ? function(range) { - return d3_layout_histogramBinFixed(range, x); - } : d3_functor(x); - return histogram; - }; - histogram.frequency = function(x) { - if (!arguments.length) return frequency; - frequency = !!x; - return histogram; - }; - return histogram; - }; - function d3_layout_histogramBinSturges(range, values) { - return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1)); + + r = x1 - ax; + if (!dx && r < 0) return; + r /= dx; + if (dx < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dx > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + r = y0 - ay; + if (!dy && r > 0) return; + r /= dy; + if (dy < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dy > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = y1 - ay; + if (!dy && r < 0) return; + r /= dy; + if (dy < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dy > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; + if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; + return true; } - function d3_layout_histogramBinFixed(range, n) { - var x = -1, b = +range[0], m = (range[1] - b) / n, f = []; - while (++x <= n) f[x] = m * x + b; - return f; + + function pointEqual(a, b) { + return abs(a[0] - b[0]) < epsilon$4 && abs(a[1] - b[1]) < epsilon$4; } - function d3_layout_histogramRange(values) { - return [ d3.min(values), d3.max(values) ]; + + function Intersection(point, points, other, entry) { + this.x = point; + this.z = points; + this.o = other; // another intersection + this.e = entry; // is an entry? + this.v = false; // visited + this.n = this.p = null; // next & previous } - d3.layout.pack = function() { - var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ], radius; - function pack(d, i) { - var nodes = hierarchy.call(this, d, i), root = nodes[0], w = size[0], h = size[1], r = radius == null ? Math.sqrt : typeof radius === "function" ? radius : function() { - return radius; - }; - root.x = root.y = 0; - d3_layout_hierarchyVisitAfter(root, function(d) { - d.r = +r(d.value); - }); - d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings); - if (padding) { - var dr = padding * (radius ? 1 : Math.max(2 * root.r / w, 2 * root.r / h)) / 2; - d3_layout_hierarchyVisitAfter(root, function(d) { - d.r += dr; - }); - d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings); - d3_layout_hierarchyVisitAfter(root, function(d) { - d.r -= dr; - }); + + // A generalized polygon clipping algorithm: given a polygon that has been cut + // into its visible line segments, and rejoins the segments by interpolating + // along the clip edge. + function clipPolygon(segments, compareIntersection, startInside, interpolate, stream) { + var subject = [], + clip = [], + i, + n; + + segments.forEach(function(segment) { + if ((n = segment.length - 1) <= 0) return; + var n, p0 = segment[0], p1 = segment[n], x; + + // If the first and last points of a segment are coincident, then treat as a + // closed ring. TODO if all rings are closed, then the winding order of the + // exterior ring should be checked. + if (pointEqual(p0, p1)) { + stream.lineStart(); + for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]); + stream.lineEnd(); + return; } - d3_layout_packTransform(root, w / 2, h / 2, radius ? 1 : 1 / Math.max(2 * root.r / w, 2 * root.r / h)); - return nodes; + + subject.push(x = new Intersection(p0, segment, null, true)); + clip.push(x.o = new Intersection(p0, null, x, false)); + subject.push(x = new Intersection(p1, segment, null, false)); + clip.push(x.o = new Intersection(p1, null, x, true)); + }); + + if (!subject.length) return; + + clip.sort(compareIntersection); + link$1(subject); + link$1(clip); + + for (i = 0, n = clip.length; i < n; ++i) { + clip[i].e = startInside = !startInside; } - pack.size = function(_) { - if (!arguments.length) return size; - size = _; - return pack; - }; - pack.radius = function(_) { - if (!arguments.length) return radius; - radius = _ == null || typeof _ === "function" ? _ : +_; - return pack; - }; - pack.padding = function(_) { - if (!arguments.length) return padding; - padding = +_; - return pack; - }; - return d3_layout_hierarchyRebind(pack, hierarchy); - }; - function d3_layout_packSort(a, b) { - return a.value - b.value; - } - function d3_layout_packInsert(a, b) { - var c = a._pack_next; - a._pack_next = b; - b._pack_prev = a; - b._pack_next = c; - c._pack_prev = b; - } - function d3_layout_packSplice(a, b) { - a._pack_next = b; - b._pack_prev = a; - } - function d3_layout_packIntersects(a, b) { - var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r; - return .999 * dr * dr > dx * dx + dy * dy; - } - function d3_layout_packSiblings(node) { - if (!(nodes = node.children) || !(n = nodes.length)) return; - var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n; - function bound(node) { - xMin = Math.min(node.x - node.r, xMin); - xMax = Math.max(node.x + node.r, xMax); - yMin = Math.min(node.y - node.r, yMin); - yMax = Math.max(node.y + node.r, yMax); - } - nodes.forEach(d3_layout_packLink); - a = nodes[0]; - a.x = -a.r; - a.y = 0; - bound(a); - if (n > 1) { - b = nodes[1]; - b.x = b.r; - b.y = 0; - bound(b); - if (n > 2) { - c = nodes[2]; - d3_layout_packPlace(a, b, c); - bound(c); - d3_layout_packInsert(a, c); - a._pack_prev = c; - d3_layout_packInsert(c, b); - b = a._pack_next; - for (i = 3; i < n; i++) { - d3_layout_packPlace(a, b, c = nodes[i]); - var isect = 0, s1 = 1, s2 = 1; - for (j = b._pack_next; j !== b; j = j._pack_next, s1++) { - if (d3_layout_packIntersects(j, c)) { - isect = 1; - break; - } - } - if (isect == 1) { - for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) { - if (d3_layout_packIntersects(k, c)) { - break; - } - } + + var start = subject[0], + points, + point; + + while (1) { + // Find first unvisited intersection. + var current = start, + isSubject = true; + while (current.v) if ((current = current.n) === start) return; + points = current.z; + stream.lineStart(); + do { + current.v = current.o.v = true; + if (current.e) { + if (isSubject) { + for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.n.x, 1, stream); } - if (isect) { - if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b); - i--; + current = current.n; + } else { + if (isSubject) { + points = current.p.z; + for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]); } else { - d3_layout_packInsert(a, c); - b = c; - bound(c); + interpolate(current.x, current.p.x, -1, stream); } + current = current.p; } - } - } - var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0; - for (i = 0; i < n; i++) { - c = nodes[i]; - c.x -= cx; - c.y -= cy; - cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y)); + current = current.o; + points = current.z; + isSubject = !isSubject; + } while (!current.v); + stream.lineEnd(); } - node.r = cr; - nodes.forEach(d3_layout_packUnlink); - } - function d3_layout_packLink(node) { - node._pack_next = node._pack_prev = node; } - function d3_layout_packUnlink(node) { - delete node._pack_next; - delete node._pack_prev; - } - function d3_layout_packTransform(node, x, y, k) { - var children = node.children; - node.x = x += k * node.x; - node.y = y += k * node.y; - node.r *= k; - if (children) { - var i = -1, n = children.length; - while (++i < n) d3_layout_packTransform(children[i], x, y, k); + + function link$1(array) { + if (!(n = array.length)) return; + var n, + i = 0, + a = array[0], + b; + while (++i < n) { + a.n = b = array[i]; + b.p = a; + a = b; } + a.n = b = array[0]; + b.p = a; } - function d3_layout_packPlace(a, b, c) { - var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y; - if (db && (dx || dy)) { - var da = b.r + c.r, dc = dx * dx + dy * dy; - da *= da; - db *= db; - var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); - c.x = a.x + x * dx + y * dy; - c.y = a.y + x * dy - y * dx; - } else { - c.x = a.x + db; - c.y = a.y; - } - } - d3.layout.tree = function() { - var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = null; - function tree(d, i) { - var nodes = hierarchy.call(this, d, i), root0 = nodes[0], root1 = wrapTree(root0); - d3_layout_hierarchyVisitAfter(root1, firstWalk), root1.parent.m = -root1.z; - d3_layout_hierarchyVisitBefore(root1, secondWalk); - if (nodeSize) d3_layout_hierarchyVisitBefore(root0, sizeNode); else { - var left = root0, right = root0, bottom = root0; - d3_layout_hierarchyVisitBefore(root0, function(node) { - if (node.x < left.x) left = node; - if (node.x > right.x) right = node; - if (node.depth > bottom.depth) bottom = node; - }); - var tx = separation(left, right) / 2 - left.x, kx = size[0] / (right.x + separation(right, left) / 2 + tx), ky = size[1] / (bottom.depth || 1); - d3_layout_hierarchyVisitBefore(root0, function(node) { - node.x = (node.x + tx) * kx; - node.y = node.depth * ky; - }); - } - return nodes; - } - function wrapTree(root0) { - var root1 = { - A: null, - children: [ root0 ] - }, queue = [ root1 ], node1; - while ((node1 = queue.pop()) != null) { - for (var children = node1.children, child, i = 0, n = children.length; i < n; ++i) { - queue.push((children[i] = child = { - _: children[i], - parent: node1, - children: (child = children[i].children) && child.slice() || [], - A: null, - a: null, - z: 0, - m: 0, - c: 0, - s: 0, - t: null, - i: i - }).a = child); - } - } - return root1.children[0]; - } - function firstWalk(v) { - var children = v.children, siblings = v.parent.children, w = v.i ? siblings[v.i - 1] : null; - if (children.length) { - d3_layout_treeShift(v); - var midpoint = (children[0].z + children[children.length - 1].z) / 2; - if (w) { - v.z = w.z + separation(v._, w._); - v.m = v.z - midpoint; - } else { - v.z = midpoint; - } - } else if (w) { - v.z = w.z + separation(v._, w._); - } - v.parent.A = apportion(v, w, v.parent.A || siblings[0]); - } - function secondWalk(v) { - v._.x = v.z + v.parent.m; - v.m += v.parent.m; + + var clipMax = 1e9; + var clipMin = -clipMax; + // TODO Use d3-polygon’s polygonContains here for the ring check? + // TODO Eliminate duplicate buffering in clipBuffer and polygon.push? + + function clipExtent(x0, y0, x1, y1) { + + function visible(x, y) { + return x0 <= x && x <= x1 && y0 <= y && y <= y1; } - function apportion(v, w, ancestor) { - if (w) { - var vip = v, vop = v, vim = w, vom = vip.parent.children[0], sip = vip.m, sop = vop.m, sim = vim.m, som = vom.m, shift; - while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) { - vom = d3_layout_treeLeft(vom); - vop = d3_layout_treeRight(vop); - vop.a = v; - shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); - if (shift > 0) { - d3_layout_treeMove(d3_layout_treeAncestor(vim, v, ancestor), v, shift); - sip += shift; - sop += shift; - } - sim += vim.m; - sip += vip.m; - som += vom.m; - sop += vop.m; - } - if (vim && !d3_layout_treeRight(vop)) { - vop.t = vim; - vop.m += sim - sop; - } - if (vip && !d3_layout_treeLeft(vom)) { - vom.t = vip; - vom.m += sip - som; - ancestor = v; - } + + function interpolate(from, to, direction, stream) { + var a = 0, a1 = 0; + if (from == null + || (a = corner(from, direction)) !== (a1 = corner(to, direction)) + || comparePoint(from, to) < 0 ^ direction > 0) { + do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); + while ((a = (a + direction + 4) % 4) !== a1); + } else { + stream.point(to[0], to[1]); } - return ancestor; } - function sizeNode(node) { - node.x *= size[0]; - node.y = node.depth * size[1]; + + function corner(p, direction) { + return abs(p[0] - x0) < epsilon$4 ? direction > 0 ? 0 : 3 + : abs(p[0] - x1) < epsilon$4 ? direction > 0 ? 2 : 1 + : abs(p[1] - y0) < epsilon$4 ? direction > 0 ? 1 : 0 + : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon } - tree.separation = function(x) { - if (!arguments.length) return separation; - separation = x; - return tree; - }; - tree.size = function(x) { - if (!arguments.length) return nodeSize ? null : size; - nodeSize = (size = x) == null ? sizeNode : null; - return tree; - }; - tree.nodeSize = function(x) { - if (!arguments.length) return nodeSize ? size : null; - nodeSize = (size = x) == null ? null : sizeNode; - return tree; - }; - return d3_layout_hierarchyRebind(tree, hierarchy); - }; - function d3_layout_treeSeparation(a, b) { - return a.parent == b.parent ? 1 : 2; - } - function d3_layout_treeLeft(v) { - var children = v.children; - return children.length ? children[0] : v.t; - } - function d3_layout_treeRight(v) { - var children = v.children, n; - return (n = children.length) ? children[n - 1] : v.t; - } - function d3_layout_treeMove(wm, wp, shift) { - var change = shift / (wp.i - wm.i); - wp.c -= change; - wp.s += shift; - wm.c += change; - wp.z += shift; - wp.m += shift; - } - function d3_layout_treeShift(v) { - var shift = 0, change = 0, children = v.children, i = children.length, w; - while (--i >= 0) { - w = children[i]; - w.z += shift; - w.m += shift; - shift += w.s + (change += w.c); + + function compareIntersection(a, b) { + return comparePoint(a.x, b.x); } - } - function d3_layout_treeAncestor(vim, v, ancestor) { - return vim.a.parent === v.parent ? vim.a : ancestor; - } - d3.layout.cluster = function() { - var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = false; - function cluster(d, i) { - var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0; - d3_layout_hierarchyVisitAfter(root, function(node) { - var children = node.children; - if (children && children.length) { - node.x = d3_layout_clusterX(children); - node.y = d3_layout_clusterY(children); - } else { - node.x = previousNode ? x += separation(node, previousNode) : 0; - node.y = 0; - previousNode = node; - } - }); - var left = d3_layout_clusterLeft(root), right = d3_layout_clusterRight(root), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2; - d3_layout_hierarchyVisitAfter(root, nodeSize ? function(node) { - node.x = (node.x - root.x) * size[0]; - node.y = (root.y - node.y) * size[1]; - } : function(node) { - node.x = (node.x - x0) / (x1 - x0) * size[0]; - node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1]; - }); - return nodes; + + function comparePoint(a, b) { + var ca = corner(a, 1), + cb = corner(b, 1); + return ca !== cb ? ca - cb + : ca === 0 ? b[1] - a[1] + : ca === 1 ? a[0] - b[0] + : ca === 2 ? a[1] - b[1] + : b[0] - a[0]; } - cluster.separation = function(x) { - if (!arguments.length) return separation; - separation = x; - return cluster; - }; - cluster.size = function(x) { - if (!arguments.length) return nodeSize ? null : size; - nodeSize = (size = x) == null; - return cluster; - }; - cluster.nodeSize = function(x) { - if (!arguments.length) return nodeSize ? size : null; - nodeSize = (size = x) != null; - return cluster; - }; - return d3_layout_hierarchyRebind(cluster, hierarchy); - }; - function d3_layout_clusterY(children) { - return 1 + d3.max(children, function(child) { - return child.y; - }); - } - function d3_layout_clusterX(children) { - return children.reduce(function(x, child) { - return x + child.x; - }, 0) / children.length; - } - function d3_layout_clusterLeft(node) { - var children = node.children; - return children && children.length ? d3_layout_clusterLeft(children[0]) : node; - } - function d3_layout_clusterRight(node) { - var children = node.children, n; - return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node; - } - d3.layout.treemap = function() { - var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, mode = "squarify", ratio = .5 * (1 + Math.sqrt(5)); - function scale(children, k) { - var i = -1, n = children.length, child, area; - while (++i < n) { - area = (child = children[i]).value * (k < 0 ? 0 : k); - child.area = isNaN(area) || area <= 0 ? 0 : area; - } - } - function squarify(node) { - var children = node.children; - if (children && children.length) { - var rect = pad(node), row = [], remaining = children.slice(), child, best = Infinity, score, u = mode === "slice" ? rect.dx : mode === "dice" ? rect.dy : mode === "slice-dice" ? node.depth & 1 ? rect.dy : rect.dx : Math.min(rect.dx, rect.dy), n; - scale(remaining, rect.dx * rect.dy / node.value); - row.area = 0; - while ((n = remaining.length) > 0) { - row.push(child = remaining[n - 1]); - row.area += child.area; - if (mode !== "squarify" || (score = worst(row, u)) <= best) { - remaining.pop(); - best = score; - } else { - row.area -= row.pop().area; - position(row, u, rect, false); - u = Math.min(rect.dx, rect.dy); - row.length = row.area = 0; - best = Infinity; + + return function(stream) { + var activeStream = stream, + bufferStream = clipBuffer(), + segments, + polygon, + ring, + x__, y__, v__, // first point + x_, y_, v_, // previous point + first, + clean; + + var clipStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: polygonStart, + polygonEnd: polygonEnd + }; + + function point(x, y) { + if (visible(x, y)) activeStream.point(x, y); + } + + function polygonInside() { + var winding = 0; + + for (var i = 0, n = polygon.length; i < n; ++i) { + for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { + a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; + if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } + else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } } } - if (row.length) { - position(row, u, rect, true); - row.length = row.area = 0; - } - children.forEach(squarify); - } - } - function stickify(node) { - var children = node.children; - if (children && children.length) { - var rect = pad(node), remaining = children.slice(), child, row = []; - scale(remaining, rect.dx * rect.dy / node.value); - row.area = 0; - while (child = remaining.pop()) { - row.push(child); - row.area += child.area; - if (child.z != null) { - position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length); - row.length = row.area = 0; + + return winding; + } + + // Buffer geometry within a polygon and then clip it en masse. + function polygonStart() { + activeStream = bufferStream, segments = [], polygon = [], clean = true; + } + + function polygonEnd() { + var startInside = polygonInside(), + cleanInside = clean && startInside, + visible = (segments = merge(segments)).length; + if (cleanInside || visible) { + stream.polygonStart(); + if (cleanInside) { + stream.lineStart(); + interpolate(null, null, 1, stream); + stream.lineEnd(); + } + if (visible) { + clipPolygon(segments, compareIntersection, startInside, interpolate, stream); } + stream.polygonEnd(); } - children.forEach(stickify); + activeStream = stream, segments = polygon = ring = null; } - } - function worst(row, u) { - var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length; - while (++i < n) { - if (!(r = row[i].area)) continue; - if (r < rmin) rmin = r; - if (r > rmax) rmax = r; - } - s *= s; - u *= u; - return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity; - } - function position(row, u, rect, flush) { - var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o; - if (u == rect.dx) { - if (flush || v > rect.dy) v = rect.dy; - while (++i < n) { - o = row[i]; - o.x = x; - o.y = y; - o.dy = v; - x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0); - } - o.z = true; - o.dx += rect.x + rect.dx - x; - rect.y += v; - rect.dy -= v; - } else { - if (flush || v > rect.dx) v = rect.dx; - while (++i < n) { - o = row[i]; - o.x = x; - o.y = y; - o.dx = v; - y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0); - } - o.z = false; - o.dy += rect.y + rect.dy - y; - rect.x += v; - rect.dx -= v; - } - } - function treemap(d) { - var nodes = stickies || hierarchy(d), root = nodes[0]; - root.x = root.y = 0; - if (root.value) root.dx = size[0], root.dy = size[1]; else root.dx = root.dy = 0; - if (stickies) hierarchy.revalue(root); - scale([ root ], root.dx * root.dy / root.value); - (stickies ? stickify : squarify)(root); - if (sticky) stickies = nodes; - return nodes; - } - treemap.size = function(x) { - if (!arguments.length) return size; - size = x; - return treemap; - }; - treemap.padding = function(x) { - if (!arguments.length) return padding; - function padFunction(node) { - var p = x.call(treemap, node, node.depth); - return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p); + + function lineStart() { + clipStream.point = linePoint; + if (polygon) polygon.push(ring = []); + first = true; + v_ = false; + x_ = y_ = NaN; + } + + // TODO rather than special-case polygons, simply handle them separately. + // Ideally, coincident intersection points should be jittered to avoid + // clipping issues. + function lineEnd() { + if (segments) { + linePoint(x__, y__); + if (v__ && v_) bufferStream.rejoin(); + segments.push(bufferStream.result()); + } + clipStream.point = point; + if (v_) activeStream.lineEnd(); } - function padConstant(node) { - return d3_layout_treemapPad(node, x); + + function linePoint(x, y) { + var v = visible(x, y); + if (polygon) ring.push([x, y]); + if (first) { + x__ = x, y__ = y, v__ = v; + first = false; + if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + } + } else { + if (v && v_) activeStream.point(x, y); + else { + var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], + b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; + if (clipLine(a, b, x0, y0, x1, y1)) { + if (!v_) { + activeStream.lineStart(); + activeStream.point(a[0], a[1]); + } + activeStream.point(b[0], b[1]); + if (!v) activeStream.lineEnd(); + clean = false; + } else if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + clean = false; + } + } + } + x_ = x, y_ = y, v_ = v; } - var type; - pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ], - padConstant) : padConstant; - return treemap; + + return clipStream; }; - treemap.round = function(x) { - if (!arguments.length) return round != Number; - round = x ? Math.round : Number; - return treemap; - }; - treemap.sticky = function(x) { - if (!arguments.length) return sticky; - sticky = x; - stickies = null; - return treemap; - }; - treemap.ratio = function(x) { - if (!arguments.length) return ratio; - ratio = x; - return treemap; - }; - treemap.mode = function(x) { - if (!arguments.length) return mode; - mode = x + ""; - return treemap; - }; - return d3_layout_hierarchyRebind(treemap, hierarchy); - }; - function d3_layout_treemapPadNull(node) { - return { - x: node.x, - y: node.y, - dx: node.dx, - dy: node.dy + } + + function extent$1() { + var x0 = 0, + y0 = 0, + x1 = 960, + y1 = 500, + cache, + cacheStream, + clip; + + return clip = { + stream: function(stream) { + return cache && cacheStream === stream ? cache : cache = clipExtent(x0, y0, x1, y1)(cacheStream = stream); + }, + extent: function(_) { + return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; + } }; } - function d3_layout_treemapPad(node, padding) { - var x = node.x + padding[3], y = node.y + padding[0], dx = node.dx - padding[1] - padding[3], dy = node.dy - padding[0] - padding[2]; - if (dx < 0) { - x += dx / 2; - dx = 0; - } - if (dy < 0) { - y += dy / 2; - dy = 0; - } - return { - x: x, - y: y, - dx: dx, - dy: dy - }; - } - d3.random = { - normal: function(µ, σ) { - var n = arguments.length; - if (n < 2) σ = 1; - if (n < 1) µ = 0; - return function() { - var x, y, r; - do { - x = Math.random() * 2 - 1; - y = Math.random() * 2 - 1; - r = x * x + y * y; - } while (!r || r > 1); - return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r); - }; - }, - logNormal: function() { - var random = d3.random.normal.apply(d3, arguments); - return function() { - return Math.exp(random()); - }; - }, - bates: function(m) { - var random = d3.random.irwinHall(m); - return function() { - return random() / m; - }; - }, - irwinHall: function(m) { - return function() { - for (var s = 0, j = 0; j < m; j++) s += Math.random(); - return s; - }; - } + + var lengthSum; +var lambda0$2; +var sinPhi0$1; +var cosPhi0$1; + var lengthStream = { + sphere: noop$2, + point: noop$2, + lineStart: lengthLineStart, + lineEnd: noop$2, + polygonStart: noop$2, + polygonEnd: noop$2 }; - d3.scale = {}; - function d3_scaleExtent(domain) { - var start = domain[0], stop = domain[domain.length - 1]; - return start < stop ? [ start, stop ] : [ stop, start ]; + + function lengthLineStart() { + lengthStream.point = lengthPointFirst; + lengthStream.lineEnd = lengthLineEnd; + } + + function lengthLineEnd() { + lengthStream.point = lengthStream.lineEnd = noop$2; } - function d3_scaleRange(scale) { - return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range()); + + function lengthPointFirst(lambda, phi) { + lambda *= radians, phi *= radians; + lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi); + lengthStream.point = lengthPoint; } - function d3_scale_bilinear(domain, range, uninterpolate, interpolate) { - var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]); - return function(x) { - return i(u(x)); - }; + + function lengthPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var sinPhi = sin$1(phi), + cosPhi = cos$1(phi), + delta = abs(lambda - lambda0$2), + cosDelta = cos$1(delta), + sinDelta = sin$1(delta), + x = cosPhi * sinDelta, + y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, + z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; + lengthSum.add(atan2(sqrt$1(x * x + y * y), z)); + lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; } - function d3_scale_nice(domain, nice) { - var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx; - if (x1 < x0) { - dx = i0, i0 = i1, i1 = dx; - dx = x0, x0 = x1, x1 = dx; - } - domain[i0] = nice.floor(x0); - domain[i1] = nice.ceil(x1); - return domain; + + function length$2(object) { + if (lengthSum) lengthSum.reset(); + else lengthSum = adder(); + stream(object, lengthStream); + return +lengthSum; } - function d3_scale_niceStep(step) { - return step ? { - floor: function(x) { - return Math.floor(x / step) * step; - }, - ceil: function(x) { - return Math.ceil(x / step) * step; - } - } : d3_scale_niceIdentity; + + var coordinates = [null, null]; +var object$1 = {type: "LineString", coordinates: coordinates}; + function distance(a, b) { + coordinates[0] = a; + coordinates[1] = b; + return length$2(object$1); } - var d3_scale_niceIdentity = { - floor: d3_identity, - ceil: d3_identity - }; - function d3_scale_polylinear(domain, range, uninterpolate, interpolate) { - var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1; - if (domain[k] < domain[0]) { - domain = domain.slice().reverse(); - range = range.slice().reverse(); - } - while (++j <= k) { - u.push(uninterpolate(domain[j - 1], domain[j])); - i.push(interpolate(range[j - 1], range[j])); - } - return function(x) { - var j = d3.bisect(domain, x, 1, k) - 1; - return i[j](u[j](x)); - }; + + function graticuleX(y0, y1, dy) { + var y = range(y0, y1 - epsilon$4, dy).concat(y1); + return function(x) { return y.map(function(y) { return [x, y]; }); }; } - d3.scale.linear = function() { - return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3_interpolate, false); - }; - function d3_scale_linear(domain, range, interpolate, clamp) { - var output, input; - function rescale() { - var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber; - output = linear(domain, range, uninterpolate, interpolate); - input = linear(range, domain, uninterpolate, d3_interpolate); - return scale; + + function graticuleY(x0, x1, dx) { + var x = range(x0, x1 - epsilon$4, dx).concat(x1); + return function(y) { return x.map(function(x) { return [x, y]; }); }; + } + + function graticule() { + var x1, x0, X1, X0, + y1, y0, Y1, Y0, + dx = 10, dy = dx, DX = 90, DY = 360, + x, y, X, Y, + precision = 2.5; + + function graticule() { + return {type: "MultiLineString", coordinates: lines()}; } - function scale(x) { - return output(x); + + function lines() { + return range(ceil(X0 / DX) * DX, X1, DX).map(X) + .concat(range(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) + .concat(range(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$4; }).map(x)) + .concat(range(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$4; }).map(y)); } - scale.invert = function(y) { - return input(y); - }; - scale.domain = function(x) { - if (!arguments.length) return domain; - domain = x.map(Number); - return rescale(); + + graticule.lines = function() { + return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); }; - scale.range = function(x) { - if (!arguments.length) return range; - range = x; - return rescale(); + + graticule.outline = function() { + return { + type: "Polygon", + coordinates: [ + X(X0).concat( + Y(Y1).slice(1), + X(X1).reverse().slice(1), + Y(Y0).reverse().slice(1)) + ] + }; }; - scale.rangeRound = function(x) { - return scale.range(x).interpolate(d3_interpolateRound); + + graticule.extent = function(_) { + if (!arguments.length) return graticule.extentMinor(); + return graticule.extentMajor(_).extentMinor(_); }; - scale.clamp = function(x) { - if (!arguments.length) return clamp; - clamp = x; - return rescale(); + + graticule.extentMajor = function(_) { + if (!arguments.length) return [[X0, Y0], [X1, Y1]]; + X0 = +_[0][0], X1 = +_[1][0]; + Y0 = +_[0][1], Y1 = +_[1][1]; + if (X0 > X1) _ = X0, X0 = X1, X1 = _; + if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; + return graticule.precision(precision); }; - scale.interpolate = function(x) { - if (!arguments.length) return interpolate; - interpolate = x; - return rescale(); + + graticule.extentMinor = function(_) { + if (!arguments.length) return [[x0, y0], [x1, y1]]; + x0 = +_[0][0], x1 = +_[1][0]; + y0 = +_[0][1], y1 = +_[1][1]; + if (x0 > x1) _ = x0, x0 = x1, x1 = _; + if (y0 > y1) _ = y0, y0 = y1, y1 = _; + return graticule.precision(precision); }; - scale.ticks = function(m) { - return d3_scale_linearTicks(domain, m); + + graticule.step = function(_) { + if (!arguments.length) return graticule.stepMinor(); + return graticule.stepMajor(_).stepMinor(_); }; - scale.tickFormat = function(m, format) { - return d3_scale_linearTickFormat(domain, m, format); + + graticule.stepMajor = function(_) { + if (!arguments.length) return [DX, DY]; + DX = +_[0], DY = +_[1]; + return graticule; }; - scale.nice = function(m) { - d3_scale_linearNice(domain, m); - return rescale(); + + graticule.stepMinor = function(_) { + if (!arguments.length) return [dx, dy]; + dx = +_[0], dy = +_[1]; + return graticule; }; - scale.copy = function() { - return d3_scale_linear(domain, range, interpolate, clamp); + + graticule.precision = function(_) { + if (!arguments.length) return precision; + precision = +_; + x = graticuleX(y0, y1, 90); + y = graticuleY(x0, x1, precision); + X = graticuleX(Y0, Y1, 90); + Y = graticuleY(X0, X1, precision); + return graticule; }; - return rescale(); + + return graticule + .extentMajor([[-180, -90 + epsilon$4], [180, 90 - epsilon$4]]) + .extentMinor([[-180, -80 - epsilon$4], [180, 80 + epsilon$4]]); } - function d3_scale_linearRebind(scale, linear) { - return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp"); + + function interpolate$2(a, b) { + var x0 = a[0] * radians, + y0 = a[1] * radians, + x1 = b[0] * radians, + y1 = b[1] * radians, + cy0 = cos$1(y0), + sy0 = sin$1(y0), + cy1 = cos$1(y1), + sy1 = sin$1(y1), + kx0 = cy0 * cos$1(x0), + ky0 = cy0 * sin$1(x0), + kx1 = cy1 * cos$1(x1), + ky1 = cy1 * sin$1(x1), + d = 2 * asin$1(sqrt$1(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), + k = sin$1(d); + + var interpolate = d ? function(t) { + var B = sin$1(t *= d) / k, + A = sin$1(d - t) / k, + x = A * kx0 + B * kx1, + y = A * ky0 + B * ky1, + z = A * sy0 + B * sy1; + return [ + atan2(y, x) * degrees$1, + atan2(z, sqrt$1(x * x + y * y)) * degrees$1 + ]; + } : function() { + return [x0 * degrees$1, y0 * degrees$1]; + }; + + interpolate.distance = d; + + return interpolate; } - function d3_scale_linearNice(domain, m) { - d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2])); - d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2])); - return domain; + + function identity$7(x) { + return x; } - function d3_scale_linearTickRange(domain, m) { - if (m == null) m = 10; - var extent = d3_scaleExtent(domain), span = extent[1] - extent[0], step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)), err = m / span * step; - if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2; - extent[0] = Math.ceil(extent[0] / step) * step; - extent[1] = Math.floor(extent[1] / step) * step + step * .5; - extent[2] = step; - return extent; - } - function d3_scale_linearTicks(domain, m) { - return d3.range.apply(d3, d3_scale_linearTickRange(domain, m)); - } - function d3_scale_linearTickFormat(domain, m, format) { - var range = d3_scale_linearTickRange(domain, m); - if (format) { - var match = d3_format_re.exec(format); - match.shift(); - if (match[8] === "s") { - var prefix = d3.formatPrefix(Math.max(abs(range[0]), abs(range[1]))); - if (!match[7]) match[7] = "." + d3_scale_linearPrecision(prefix.scale(range[2])); - match[8] = "f"; - format = d3.format(match.join("")); - return function(d) { - return format(prefix.scale(d)) + prefix.symbol; - }; - } - if (!match[7]) match[7] = "." + d3_scale_linearFormatPrecision(match[8], range); - format = match.join(""); - } else { - format = ",." + d3_scale_linearPrecision(range[2]) + "f"; + +var areaSum$1 = adder(); +var areaRingSum$1 = adder(); + var x00; + var y00; +var x0$1; +var y0$1; + var areaStream$1 = { + point: noop$2, + lineStart: noop$2, + lineEnd: noop$2, + polygonStart: function() { + areaStream$1.lineStart = areaRingStart$1; + areaStream$1.lineEnd = areaRingEnd$1; + }, + polygonEnd: function() { + areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$2; + areaSum$1.add(abs(areaRingSum$1)); + areaRingSum$1.reset(); + }, + result: function() { + var area = areaSum$1 / 2; + areaSum$1.reset(); + return area; } - return d3.format(format); - } - var d3_scale_linearFormatSignificant = { - s: 1, - g: 1, - p: 1, - r: 1, - e: 1 }; - function d3_scale_linearPrecision(value) { - return -Math.floor(Math.log(value) / Math.LN10 + .01); + + function areaRingStart$1() { + areaStream$1.point = areaPointFirst$1; } - function d3_scale_linearFormatPrecision(type, range) { - var p = d3_scale_linearPrecision(range[2]); - return type in d3_scale_linearFormatSignificant ? Math.abs(p - d3_scale_linearPrecision(Math.max(abs(range[0]), abs(range[1])))) + +(type !== "e") : p - (type === "%") * 2; + + function areaPointFirst$1(x, y) { + areaStream$1.point = areaPoint$1; + x00 = x0$1 = x, y00 = y0$1 = y; } - d3.scale.log = function() { - return d3_scale_log(d3.scale.linear().domain([ 0, 1 ]), 10, true, [ 1, 10 ]); - }; - function d3_scale_log(linear, base, positive, domain) { - function log(x) { - return (positive ? Math.log(x < 0 ? 0 : x) : -Math.log(x > 0 ? 0 : -x)) / Math.log(base); - } - function pow(x) { - return positive ? Math.pow(base, x) : -Math.pow(base, -x); - } - function scale(x) { - return linear(log(x)); + + function areaPoint$1(x, y) { + areaRingSum$1.add(y0$1 * x - x0$1 * y); + x0$1 = x, y0$1 = y; + } + + function areaRingEnd$1() { + areaPoint$1(x00, y00); + } + +var x0$2 = Infinity; +var y0$2 = x0$2; + var x1 = -x0$2; + var y1 = x1; + var boundsStream$1 = { + point: boundsPoint$1, + lineStart: noop$2, + lineEnd: noop$2, + polygonStart: noop$2, + polygonEnd: noop$2, + result: function() { + var bounds = [[x0$2, y0$2], [x1, y1]]; + x1 = y1 = -(y0$2 = x0$2 = Infinity); + return bounds; } - scale.invert = function(x) { - return pow(linear.invert(x)); - }; - scale.domain = function(x) { - if (!arguments.length) return domain; - positive = x[0] >= 0; - linear.domain((domain = x.map(Number)).map(log)); - return scale; - }; - scale.base = function(_) { - if (!arguments.length) return base; - base = +_; - linear.domain(domain.map(log)); - return scale; - }; - scale.nice = function() { - var niced = d3_scale_nice(domain.map(log), positive ? Math : d3_scale_logNiceNegative); - linear.domain(niced); - domain = niced.map(pow); - return scale; - }; - scale.ticks = function() { - var extent = d3_scaleExtent(domain), ticks = [], u = extent[0], v = extent[1], i = Math.floor(log(u)), j = Math.ceil(log(v)), n = base % 1 ? 2 : base; - if (isFinite(j - i)) { - if (positive) { - for (;i < j; i++) for (var k = 1; k < n; k++) ticks.push(pow(i) * k); - ticks.push(pow(i)); - } else { - ticks.push(pow(i)); - for (;i++ < j; ) for (var k = n - 1; k > 0; k--) ticks.push(pow(i) * k); - } - for (i = 0; ticks[i] < u; i++) {} - for (j = ticks.length; ticks[j - 1] > v; j--) {} - ticks = ticks.slice(i, j); - } - return ticks; - }; - scale.tickFormat = function(n, format) { - if (!arguments.length) return d3_scale_logFormat; - if (arguments.length < 2) format = d3_scale_logFormat; else if (typeof format !== "function") format = d3.format(format); - var k = Math.max(1, base * n / scale.ticks().length); - return function(d) { - var i = d / pow(Math.round(log(d))); - if (i * base < base - .5) i *= base; - return i <= k ? format(d) : ""; - }; - }; - scale.copy = function() { - return d3_scale_log(linear.copy(), base, positive, domain); - }; - return d3_scale_linearRebind(scale, linear); + }; + + function boundsPoint$1(x, y) { + if (x < x0$2) x0$2 = x; + if (x > x1) x1 = x; + if (y < y0$2) y0$2 = y; + if (y > y1) y1 = y; } - var d3_scale_logFormat = d3.format(".0e"), d3_scale_logNiceNegative = { - floor: function(x) { - return -Math.ceil(-x); + +var X0$1 = 0; +var Y0$1 = 0; +var Z0$1 = 0; +var X1$1 = 0; +var Y1$1 = 0; +var Z1$1 = 0; +var X2$1 = 0; +var Y2$1 = 0; +var Z2$1 = 0; +var x00$1; +var y00$1; +var x0$3; +var y0$3; + var centroidStream$1 = { + point: centroidPoint$1, + lineStart: centroidLineStart$1, + lineEnd: centroidLineEnd$1, + polygonStart: function() { + centroidStream$1.lineStart = centroidRingStart$1; + centroidStream$1.lineEnd = centroidRingEnd$1; + }, + polygonEnd: function() { + centroidStream$1.point = centroidPoint$1; + centroidStream$1.lineStart = centroidLineStart$1; + centroidStream$1.lineEnd = centroidLineEnd$1; }, - ceil: function(x) { - return -Math.floor(-x); + result: function() { + var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] + : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] + : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] + : [NaN, NaN]; + X0$1 = Y0$1 = Z0$1 = + X1$1 = Y1$1 = Z1$1 = + X2$1 = Y2$1 = Z2$1 = 0; + return centroid; } }; - d3.scale.pow = function() { - return d3_scale_pow(d3.scale.linear(), 1, [ 0, 1 ]); - }; - function d3_scale_pow(linear, exponent, domain) { - var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent); - function scale(x) { - return linear(powp(x)); - } - scale.invert = function(x) { - return powb(linear.invert(x)); - }; - scale.domain = function(x) { - if (!arguments.length) return domain; - linear.domain((domain = x.map(Number)).map(powp)); - return scale; - }; - scale.ticks = function(m) { - return d3_scale_linearTicks(domain, m); - }; - scale.tickFormat = function(m, format) { - return d3_scale_linearTickFormat(domain, m, format); - }; - scale.nice = function(m) { - return scale.domain(d3_scale_linearNice(domain, m)); - }; - scale.exponent = function(x) { - if (!arguments.length) return exponent; - powp = d3_scale_powPow(exponent = x); - powb = d3_scale_powPow(1 / exponent); - linear.domain(domain.map(powp)); - return scale; - }; - scale.copy = function() { - return d3_scale_pow(linear.copy(), exponent, domain); - }; - return d3_scale_linearRebind(scale, linear); + + function centroidPoint$1(x, y) { + X0$1 += x; + Y0$1 += y; + ++Z0$1; } - function d3_scale_powPow(e) { - return function(x) { - return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e); + + function centroidLineStart$1() { + centroidStream$1.point = centroidPointFirstLine; + } + + function centroidPointFirstLine(x, y) { + centroidStream$1.point = centroidPointLine; + centroidPoint$1(x0$3 = x, y0$3 = y); + } + + function centroidPointLine(x, y) { + var dx = x - x0$3, dy = y - y0$3, z = sqrt$1(dx * dx + dy * dy); + X1$1 += z * (x0$3 + x) / 2; + Y1$1 += z * (y0$3 + y) / 2; + Z1$1 += z; + centroidPoint$1(x0$3 = x, y0$3 = y); + } + + function centroidLineEnd$1() { + centroidStream$1.point = centroidPoint$1; + } + + function centroidRingStart$1() { + centroidStream$1.point = centroidPointFirstRing; + } + + function centroidRingEnd$1() { + centroidPointRing(x00$1, y00$1); + } + + function centroidPointFirstRing(x, y) { + centroidStream$1.point = centroidPointRing; + centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); + } + + function centroidPointRing(x, y) { + var dx = x - x0$3, + dy = y - y0$3, + z = sqrt$1(dx * dx + dy * dy); + + X1$1 += z * (x0$3 + x) / 2; + Y1$1 += z * (y0$3 + y) / 2; + Z1$1 += z; + + z = y0$3 * x - x0$3 * y; + X2$1 += z * (x0$3 + x); + Y2$1 += z * (y0$3 + y); + Z2$1 += z * 3; + centroidPoint$1(x0$3 = x, y0$3 = y); + } + + function PathContext(context) { + var pointRadius = 4.5; + + var stream = { + point: point, + + // While inside a line, override point to moveTo then lineTo. + lineStart: function() { stream.point = pointLineStart; }, + lineEnd: lineEnd, + + // While inside a polygon, override lineEnd to closePath. + polygonStart: function() { stream.lineEnd = lineEndPolygon; }, + polygonEnd: function() { stream.lineEnd = lineEnd; stream.point = point; }, + + pointRadius: function(_) { + pointRadius = _; + return stream; + }, + + result: noop$2 }; + + function point(x, y) { + context.moveTo(x + pointRadius, y); + context.arc(x, y, pointRadius, 0, tau$4); + } + + function pointLineStart(x, y) { + context.moveTo(x, y); + stream.point = pointLine; + } + + function pointLine(x, y) { + context.lineTo(x, y); + } + + function lineEnd() { + stream.point = point; + } + + function lineEndPolygon() { + context.closePath(); + } + + return stream; } - d3.scale.sqrt = function() { - return d3.scale.pow().exponent(.5); - }; - d3.scale.ordinal = function() { - return d3_scale_ordinal([], { - t: "range", - a: [ [] ] - }); - }; - function d3_scale_ordinal(domain, ranger) { - var index, range, rangeBand; - function scale(x) { - return range[((index.get(x) || (ranger.t === "range" ? index.set(x, domain.push(x)) : NaN)) - 1) % range.length]; + + function PathString() { + var pointCircle = circle$2(4.5), + string = []; + + var stream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + stream.lineEnd = lineEndPolygon; + }, + polygonEnd: function() { + stream.lineEnd = lineEnd; + stream.point = point; + }, + pointRadius: function(_) { + pointCircle = circle$2(_); + return stream; + }, + result: function() { + if (string.length) { + var result = string.join(""); + string = []; + return result; + } + } + }; + + function point(x, y) { + string.push("M", x, ",", y, pointCircle); } - function steps(start, step) { - return d3.range(domain.length).map(function(i) { - return start + step * i; - }); + + function pointLineStart(x, y) { + string.push("M", x, ",", y); + stream.point = pointLine; } - scale.domain = function(x) { - if (!arguments.length) return domain; - domain = []; - index = new d3_Map(); - var i = -1, n = x.length, xi; - while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi)); - return scale[ranger.t].apply(scale, ranger.a); - }; - scale.range = function(x) { - if (!arguments.length) return range; - range = x; - rangeBand = 0; - ranger = { - t: "range", - a: arguments - }; - return scale; - }; - scale.rangePoints = function(x, padding) { - if (arguments.length < 2) padding = 0; - var start = x[0], stop = x[1], step = domain.length < 2 ? (start = (start + stop) / 2, - 0) : (stop - start) / (domain.length - 1 + padding); - range = steps(start + step * padding / 2, step); - rangeBand = 0; - ranger = { - t: "rangePoints", - a: arguments - }; - return scale; - }; - scale.rangeRoundPoints = function(x, padding) { - if (arguments.length < 2) padding = 0; - var start = x[0], stop = x[1], step = domain.length < 2 ? (start = stop = Math.round((start + stop) / 2), - 0) : (stop - start) / (domain.length - 1 + padding) | 0; - range = steps(start + Math.round(step * padding / 2 + (stop - start - (domain.length - 1 + padding) * step) / 2), step); - rangeBand = 0; - ranger = { - t: "rangeRoundPoints", - a: arguments - }; - return scale; - }; - scale.rangeBands = function(x, padding, outerPadding) { - if (arguments.length < 2) padding = 0; - if (arguments.length < 3) outerPadding = padding; - var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding); - range = steps(start + step * outerPadding, step); - if (reverse) range.reverse(); - rangeBand = step * (1 - padding); - ranger = { - t: "rangeBands", - a: arguments - }; - return scale; - }; - scale.rangeRoundBands = function(x, padding, outerPadding) { - if (arguments.length < 2) padding = 0; - if (arguments.length < 3) outerPadding = padding; - var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding)); - range = steps(start + Math.round((stop - start - (domain.length - padding) * step) / 2), step); - if (reverse) range.reverse(); - rangeBand = Math.round(step * (1 - padding)); - ranger = { - t: "rangeRoundBands", - a: arguments - }; - return scale; - }; - scale.rangeBand = function() { - return rangeBand; - }; - scale.rangeExtent = function() { - return d3_scaleExtent(ranger.a[0]); - }; - scale.copy = function() { - return d3_scale_ordinal(domain, ranger); - }; - return scale.domain(domain); - } - d3.scale.category10 = function() { - return d3.scale.ordinal().range(d3_category10); - }; - d3.scale.category20 = function() { - return d3.scale.ordinal().range(d3_category20); - }; - d3.scale.category20b = function() { - return d3.scale.ordinal().range(d3_category20b); - }; - d3.scale.category20c = function() { - return d3.scale.ordinal().range(d3_category20c); - }; - var d3_category10 = [ 2062260, 16744206, 2924588, 14034728, 9725885, 9197131, 14907330, 8355711, 12369186, 1556175 ].map(d3_rgbString); - var d3_category20 = [ 2062260, 11454440, 16744206, 16759672, 2924588, 10018698, 14034728, 16750742, 9725885, 12955861, 9197131, 12885140, 14907330, 16234194, 8355711, 13092807, 12369186, 14408589, 1556175, 10410725 ].map(d3_rgbString); - var d3_category20b = [ 3750777, 5395619, 7040719, 10264286, 6519097, 9216594, 11915115, 13556636, 9202993, 12426809, 15186514, 15190932, 8666169, 11356490, 14049643, 15177372, 8077683, 10834324, 13528509, 14589654 ].map(d3_rgbString); - var d3_category20c = [ 3244733, 7057110, 10406625, 13032431, 15095053, 16616764, 16625259, 16634018, 3253076, 7652470, 10607003, 13101504, 7695281, 10394312, 12369372, 14342891, 6513507, 9868950, 12434877, 14277081 ].map(d3_rgbString); - d3.scale.quantile = function() { - return d3_scale_quantile([], []); - }; - function d3_scale_quantile(domain, range) { - var thresholds; - function rescale() { - var k = 0, q = range.length; - thresholds = []; - while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q); - return scale; + + function pointLine(x, y) { + string.push("L", x, ",", y); } - function scale(x) { - if (!isNaN(x = +x)) return range[d3.bisect(thresholds, x)]; + + function lineStart() { + stream.point = pointLineStart; } - scale.domain = function(x) { - if (!arguments.length) return domain; - domain = x.map(d3_number).filter(d3_numeric).sort(d3_ascending); - return rescale(); - }; - scale.range = function(x) { - if (!arguments.length) return range; - range = x; - return rescale(); - }; - scale.quantiles = function() { - return thresholds; - }; - scale.invertExtent = function(y) { - y = range.indexOf(y); - return y < 0 ? [ NaN, NaN ] : [ y > 0 ? thresholds[y - 1] : domain[0], y < thresholds.length ? thresholds[y] : domain[domain.length - 1] ]; - }; - scale.copy = function() { - return d3_scale_quantile(domain, range); - }; - return rescale(); - } - d3.scale.quantize = function() { - return d3_scale_quantize(0, 1, [ 0, 1 ]); - }; - function d3_scale_quantize(x0, x1, range) { - var kx, i; - function scale(x) { - return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))]; + + function lineEnd() { + stream.point = point; } - function rescale() { - kx = range.length / (x1 - x0); - i = range.length - 1; - return scale; + + function lineEndPolygon() { + string.push("Z"); } - scale.domain = function(x) { - if (!arguments.length) return [ x0, x1 ]; - x0 = +x[0]; - x1 = +x[x.length - 1]; - return rescale(); - }; - scale.range = function(x) { - if (!arguments.length) return range; - range = x; - return rescale(); - }; - scale.invertExtent = function(y) { - y = range.indexOf(y); - y = y < 0 ? NaN : y / kx + x0; - return [ y, y + 1 / kx ]; - }; - scale.copy = function() { - return d3_scale_quantize(x0, x1, range); - }; - return rescale(); + + return stream; } - d3.scale.threshold = function() { - return d3_scale_threshold([ .5 ], [ 0, 1 ]); - }; - function d3_scale_threshold(domain, range) { - function scale(x) { - if (x <= x) return range[d3.bisect(domain, x)]; + + function circle$2(radius) { + return "m0," + radius + + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + + "z"; + } + + function index$3() { + var pointRadius = 4.5, + projection, + projectionStream, + context, + contextStream; + + function path(object) { + if (object) { + if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); + stream(object, projectionStream(contextStream)); + } + return contextStream.result(); } - scale.domain = function(_) { - if (!arguments.length) return domain; - domain = _; - return scale; - }; - scale.range = function(_) { - if (!arguments.length) return range; - range = _; - return scale; - }; - scale.invertExtent = function(y) { - y = range.indexOf(y); - return [ domain[y - 1], domain[y] ]; + + path.area = function(object) { + stream(object, projectionStream(areaStream$1)); + return areaStream$1.result(); }; - scale.copy = function() { - return d3_scale_threshold(domain, range); + + path.bounds = function(object) { + stream(object, projectionStream(boundsStream$1)); + return boundsStream$1.result(); }; - return scale; - } - d3.scale.identity = function() { - return d3_scale_identity([ 0, 1 ]); - }; - function d3_scale_identity(domain) { - function identity(x) { - return +x; - } - identity.invert = identity; - identity.domain = identity.range = function(x) { - if (!arguments.length) return domain; - domain = x.map(identity); - return identity; + + path.centroid = function(object) { + stream(object, projectionStream(centroidStream$1)); + return centroidStream$1.result(); }; - identity.ticks = function(m) { - return d3_scale_linearTicks(domain, m); + + path.projection = function(_) { + return arguments.length ? (projectionStream = (projection = _) == null ? identity$7 : _.stream, path) : projection; }; - identity.tickFormat = function(m, format) { - return d3_scale_linearTickFormat(domain, m, format); + + path.context = function(_) { + if (!arguments.length) return context; + contextStream = (context = _) == null ? new PathString : new PathContext(_); + if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); + return path; }; - identity.copy = function() { - return d3_scale_identity(domain); + + path.pointRadius = function(_) { + if (!arguments.length) return pointRadius; + pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); + return path; }; - return identity; - } - d3.svg = {}; - function d3_zero() { - return 0; + + return path.projection(null).context(null); } - d3.svg.arc = function() { - var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, cornerRadius = d3_zero, padRadius = d3_svg_arcAuto, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle, padAngle = d3_svg_arcPadAngle; - function arc() { - var r0 = Math.max(0, +innerRadius.apply(this, arguments)), r1 = Math.max(0, +outerRadius.apply(this, arguments)), a0 = startAngle.apply(this, arguments) - halfπ, a1 = endAngle.apply(this, arguments) - halfπ, da = Math.abs(a1 - a0), cw = a0 > a1 ? 0 : 1; - if (r1 < r0) rc = r1, r1 = r0, r0 = rc; - if (da >= τε) return circleSegment(r1, cw) + (r0 ? circleSegment(r0, 1 - cw) : "") + "Z"; - var rc, cr, rp, ap, p0 = 0, p1 = 0, x0, y0, x1, y1, x2, y2, x3, y3, path = []; - if (ap = (+padAngle.apply(this, arguments) || 0) / 2) { - rp = padRadius === d3_svg_arcAuto ? Math.sqrt(r0 * r0 + r1 * r1) : +padRadius.apply(this, arguments); - if (!cw) p1 *= -1; - if (r1) p1 = d3_asin(rp / r1 * Math.sin(ap)); - if (r0) p0 = d3_asin(rp / r0 * Math.sin(ap)); - } - if (r1) { - x0 = r1 * Math.cos(a0 + p1); - y0 = r1 * Math.sin(a0 + p1); - x1 = r1 * Math.cos(a1 - p1); - y1 = r1 * Math.sin(a1 - p1); - var l1 = Math.abs(a1 - a0 - 2 * p1) <= π ? 0 : 1; - if (p1 && d3_svg_arcSweep(x0, y0, x1, y1) === cw ^ l1) { - var h1 = (a0 + a1) / 2; - x0 = r1 * Math.cos(h1); - y0 = r1 * Math.sin(h1); - x1 = y1 = null; - } - } else { - x0 = y0 = 0; - } - if (r0) { - x2 = r0 * Math.cos(a1 - p0); - y2 = r0 * Math.sin(a1 - p0); - x3 = r0 * Math.cos(a0 + p0); - y3 = r0 * Math.sin(a0 + p0); - var l0 = Math.abs(a0 - a1 + 2 * p0) <= π ? 0 : 1; - if (p0 && d3_svg_arcSweep(x2, y2, x3, y3) === 1 - cw ^ l0) { - var h0 = (a0 + a1) / 2; - x2 = r0 * Math.cos(h0); - y2 = r0 * Math.sin(h0); - x3 = y3 = null; - } - } else { - x2 = y2 = 0; - } - if (da > ε && (rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments))) > .001) { - cr = r0 < r1 ^ cw ? 0 : 1; - var rc1 = rc, rc0 = rc; - if (da < π) { - var oc = x3 == null ? [ x2, y2 ] : x1 == null ? [ x0, y0 ] : d3_geom_polygonIntersect([ x0, y0 ], [ x3, y3 ], [ x1, y1 ], [ x2, y2 ]), ax = x0 - oc[0], ay = y0 - oc[1], bx = x1 - oc[0], by = y1 - oc[1], kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]); - rc0 = Math.min(rc, (r0 - lc) / (kc - 1)); - rc1 = Math.min(rc, (r1 - lc) / (kc + 1)); - } - if (x1 != null) { - var t30 = d3_svg_arcCornerTangents(x3 == null ? [ x2, y2 ] : [ x3, y3 ], [ x0, y0 ], r1, rc1, cw), t12 = d3_svg_arcCornerTangents([ x1, y1 ], [ x2, y2 ], r1, rc1, cw); - if (rc === rc1) { - path.push("M", t30[0], "A", rc1, ",", rc1, " 0 0,", cr, " ", t30[1], "A", r1, ",", r1, " 0 ", 1 - cw ^ d3_svg_arcSweep(t30[1][0], t30[1][1], t12[1][0], t12[1][1]), ",", cw, " ", t12[1], "A", rc1, ",", rc1, " 0 0,", cr, " ", t12[0]); - } else { - path.push("M", t30[0], "A", rc1, ",", rc1, " 0 1,", cr, " ", t12[0]); + + var sum$2 = adder(); + + function polygonContains(polygon, point) { + var lambda = point[0], + phi = point[1], + normal = [sin$1(lambda), -cos$1(lambda), 0], + angle = 0, + winding = 0; + + for (var i = 0, n = polygon.length; i < n; ++i) { + if (!(m = (ring = polygon[i]).length)) continue; + var ring, + m, + point0 = ring[m - 1], + lambda0 = point0[0], + phi0 = point0[1] / 2 + quarterPi, + sinPhi0 = sin$1(phi0), + cosPhi0 = cos$1(phi0); + + for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { + var point1 = ring[j], + lambda1 = point1[0], + phi1 = point1[1] / 2 + quarterPi, + sinPhi1 = sin$1(phi1), + cosPhi1 = cos$1(phi1), + delta = lambda1 - lambda0, + sign = delta >= 0 ? 1 : -1, + absDelta = sign * delta, + antimeridian = absDelta > pi$4, + k = sinPhi0 * sinPhi1; + + sum$2.add(atan2(k * sign * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); + angle += antimeridian ? delta + sign * tau$4 : delta; + + // Are the longitudes either side of the point’s meridian (lambda), + // and are the latitudes smaller than the parallel (phi)? + if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) { + var arc = cartesianCross(cartesian(point0), cartesian(point1)); + cartesianNormalizeInPlace(arc); + var intersection = cartesianCross(normal, arc); + cartesianNormalizeInPlace(intersection); + var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin$1(intersection[2]); + if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) { + winding += antimeridian ^ delta >= 0 ? 1 : -1; } - } else { - path.push("M", x0, ",", y0); } - if (x3 != null) { - var t03 = d3_svg_arcCornerTangents([ x0, y0 ], [ x3, y3 ], r0, -rc0, cw), t21 = d3_svg_arcCornerTangents([ x2, y2 ], x1 == null ? [ x0, y0 ] : [ x1, y1 ], r0, -rc0, cw); - if (rc === rc0) { - path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t21[1], "A", r0, ",", r0, " 0 ", cw ^ d3_svg_arcSweep(t21[1][0], t21[1][1], t03[1][0], t03[1][1]), ",", 1 - cw, " ", t03[1], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]); - } else { - path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]); + } + } + + // First, determine whether the South pole is inside or outside: + // + // It is inside if: + // * the polygon winds around it in a clockwise direction. + // * the polygon does not (cumulatively) wind around it, but has a negative + // (counter-clockwise) area. + // + // Second, count the (signed) number of times a segment crosses a lambda + // from the point to the South pole. If it is zero, then the point is the + // same side as the South pole. + + var contains = (angle < -epsilon$4 || angle < epsilon$4 && sum$2 < -epsilon$4) ^ (winding & 1); + sum$2.reset(); + return contains; + } + + function clip(pointVisible, clipLine, interpolate, start) { + return function(rotate, sink) { + var line = clipLine(sink), + rotatedStart = rotate.invert(start[0], start[1]), + ringBuffer = clipBuffer(), + ringSink = clipLine(ringBuffer), + polygonStarted = false, + polygon, + segments, + ring; + + var clip = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + clip.point = pointRing; + clip.lineStart = ringStart; + clip.lineEnd = ringEnd; + segments = []; + polygon = []; + }, + polygonEnd: function() { + clip.point = point; + clip.lineStart = lineStart; + clip.lineEnd = lineEnd; + segments = merge(segments); + var startInside = polygonContains(polygon, rotatedStart); + if (segments.length) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + clipPolygon(segments, compareIntersection, startInside, interpolate, sink); + } else if (startInside) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); } - } else { - path.push("L", x2, ",", y2); + if (polygonStarted) sink.polygonEnd(), polygonStarted = false; + segments = polygon = null; + }, + sphere: function() { + sink.polygonStart(); + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); + sink.polygonEnd(); } - } else { - path.push("M", x0, ",", y0); - if (x1 != null) path.push("A", r1, ",", r1, " 0 ", l1, ",", cw, " ", x1, ",", y1); - path.push("L", x2, ",", y2); - if (x3 != null) path.push("A", r0, ",", r0, " 0 ", l0, ",", 1 - cw, " ", x3, ",", y3); - } - path.push("Z"); - return path.join(""); - } - function circleSegment(r1, cw) { - return "M0," + r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + -r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + r1; - } - arc.innerRadius = function(v) { - if (!arguments.length) return innerRadius; - innerRadius = d3_functor(v); - return arc; - }; - arc.outerRadius = function(v) { - if (!arguments.length) return outerRadius; - outerRadius = d3_functor(v); - return arc; - }; - arc.cornerRadius = function(v) { - if (!arguments.length) return cornerRadius; - cornerRadius = d3_functor(v); - return arc; - }; - arc.padRadius = function(v) { - if (!arguments.length) return padRadius; - padRadius = v == d3_svg_arcAuto ? d3_svg_arcAuto : d3_functor(v); - return arc; - }; - arc.startAngle = function(v) { - if (!arguments.length) return startAngle; - startAngle = d3_functor(v); - return arc; - }; - arc.endAngle = function(v) { - if (!arguments.length) return endAngle; - endAngle = d3_functor(v); - return arc; - }; - arc.padAngle = function(v) { - if (!arguments.length) return padAngle; - padAngle = d3_functor(v); - return arc; - }; - arc.centroid = function() { - var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - halfπ; - return [ Math.cos(a) * r, Math.sin(a) * r ]; - }; - return arc; - }; - var d3_svg_arcAuto = "auto"; - function d3_svg_arcInnerRadius(d) { - return d.innerRadius; - } - function d3_svg_arcOuterRadius(d) { - return d.outerRadius; - } - function d3_svg_arcStartAngle(d) { - return d.startAngle; - } - function d3_svg_arcEndAngle(d) { - return d.endAngle; - } - function d3_svg_arcPadAngle(d) { - return d && d.padAngle; - } - function d3_svg_arcSweep(x0, y0, x1, y1) { - return (x0 - x1) * y0 - (y0 - y1) * x0 > 0 ? 0 : 1; - } - function d3_svg_arcCornerTangents(p0, p1, r1, rc, cw) { - var x01 = p0[0] - p1[0], y01 = p0[1] - p1[1], lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), ox = lo * y01, oy = -lo * x01, x1 = p0[0] + ox, y1 = p0[1] + oy, x2 = p1[0] + ox, y2 = p1[1] + oy, x3 = (x1 + x2) / 2, y3 = (y1 + y2) / 2, dx = x2 - x1, dy = y2 - y1, d2 = dx * dx + dy * dy, r = r1 - rc, D = x1 * y2 - x2 * y1, d = (dy < 0 ? -1 : 1) * Math.sqrt(Math.max(0, r * r * d2 - D * D)), cx0 = (D * dy - dx * d) / d2, cy0 = (-D * dx - dy * d) / d2, cx1 = (D * dy + dx * d) / d2, cy1 = (-D * dx + dy * d) / d2, dx0 = cx0 - x3, dy0 = cy0 - y3, dx1 = cx1 - x3, dy1 = cy1 - y3; - if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; - return [ [ cx0 - ox, cy0 - oy ], [ cx0 * r1 / r, cy0 * r1 / r ] ]; - } - function d3_svg_line(projection) { - var x = d3_geom_pointX, y = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7; - function line(data) { - var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y); - function segment() { - segments.push("M", interpolate(projection(points), tension)); + }; + + function point(lambda, phi) { + var point = rotate(lambda, phi); + if (pointVisible(lambda = point[0], phi = point[1])) sink.point(lambda, phi); } - while (++i < n) { - if (defined.call(this, d = data[i], i)) { - points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]); - } else if (points.length) { - segment(); - points = []; + + function pointLine(lambda, phi) { + var point = rotate(lambda, phi); + line.point(point[0], point[1]); + } + + function lineStart() { + clip.point = pointLine; + line.lineStart(); + } + + function lineEnd() { + clip.point = point; + line.lineEnd(); + } + + function pointRing(lambda, phi) { + ring.push([lambda, phi]); + var point = rotate(lambda, phi); + ringSink.point(point[0], point[1]); + } + + function ringStart() { + ringSink.lineStart(); + ring = []; + } + + function ringEnd() { + pointRing(ring[0][0], ring[0][1]); + ringSink.lineEnd(); + + var clean = ringSink.clean(), + ringSegments = ringBuffer.result(), + i, n = ringSegments.length, m, + segment, + point; + + ring.pop(); + polygon.push(ring); + ring = null; + + if (!n) return; + + // No intersections. + if (clean & 1) { + segment = ringSegments[0]; + if ((m = segment.length - 1) > 0) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); + sink.lineEnd(); + } + return; } + + // Rejoin connected segments. + // TODO reuse ringBuffer.rejoin()? + if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); + + segments.push(ringSegments.filter(validSegment)); } - if (points.length) segment(); - return segments.length ? segments.join("") : null; - } - line.x = function(_) { - if (!arguments.length) return x; - x = _; - return line; - }; - line.y = function(_) { - if (!arguments.length) return y; - y = _; - return line; - }; - line.defined = function(_) { - if (!arguments.length) return defined; - defined = _; - return line; - }; - line.interpolate = function(_) { - if (!arguments.length) return interpolateKey; - if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key; - return line; - }; - line.tension = function(_) { - if (!arguments.length) return tension; - tension = _; - return line; + + return clip; }; - return line; } - d3.svg.line = function() { - return d3_svg_line(d3_identity); - }; - var d3_svg_lineInterpolators = d3.map({ - linear: d3_svg_lineLinear, - "linear-closed": d3_svg_lineLinearClosed, - step: d3_svg_lineStep, - "step-before": d3_svg_lineStepBefore, - "step-after": d3_svg_lineStepAfter, - basis: d3_svg_lineBasis, - "basis-open": d3_svg_lineBasisOpen, - "basis-closed": d3_svg_lineBasisClosed, - bundle: d3_svg_lineBundle, - cardinal: d3_svg_lineCardinal, - "cardinal-open": d3_svg_lineCardinalOpen, - "cardinal-closed": d3_svg_lineCardinalClosed, - monotone: d3_svg_lineMonotone - }); - d3_svg_lineInterpolators.forEach(function(key, value) { - value.key = key; - value.closed = /-closed$/.test(key); - }); - function d3_svg_lineLinear(points) { - return points.length > 1 ? points.join("L") : points + "Z"; - } - function d3_svg_lineLinearClosed(points) { - return points.join("L") + "Z"; - } - function d3_svg_lineStep(points) { - var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; - while (++i < n) path.push("H", (p[0] + (p = points[i])[0]) / 2, "V", p[1]); - if (n > 1) path.push("H", p[0]); - return path.join(""); - } - function d3_svg_lineStepBefore(points) { - var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; - while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]); - return path.join(""); - } - function d3_svg_lineStepAfter(points) { - var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; - while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]); - return path.join(""); - } - function d3_svg_lineCardinalOpen(points, tension) { - return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, -1), d3_svg_lineCardinalTangents(points, tension)); - } - function d3_svg_lineCardinalClosed(points, tension) { - return points.length < 3 ? d3_svg_lineLinearClosed(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), - points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension)); - } - function d3_svg_lineCardinal(points, tension) { - return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension)); - } - function d3_svg_lineHermite(points, tangents) { - if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) { - return d3_svg_lineLinear(points); - } - var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1; - if (quad) { - path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1]; - p0 = points[1]; - pi = 2; - } - if (tangents.length > 1) { - t = tangents[1]; - p = points[pi]; - pi++; - path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1]; - for (var i = 2; i < tangents.length; i++, pi++) { - p = points[pi]; - t = tangents[i]; - path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1]; - } - } - if (quad) { - var lp = points[pi]; - path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1]; - } - return path; - } - function d3_svg_lineCardinalTangents(points, tension) { - var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length; - while (++i < n) { - p0 = p1; - p1 = p2; - p2 = points[i]; - tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]); - } - return tangents; - } - function d3_svg_lineBasis(points) { - if (points.length < 3) return d3_svg_lineLinear(points); - var i = 1, n = points.length, pi = points[0], x0 = pi[0], y0 = pi[1], px = [ x0, x0, x0, (pi = points[1])[0] ], py = [ y0, y0, y0, pi[1] ], path = [ x0, ",", y0, "L", d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ]; - points.push(points[n - 1]); - while (++i <= n) { - pi = points[i]; - px.shift(); - px.push(pi[0]); - py.shift(); - py.push(pi[1]); - d3_svg_lineBasisBezier(path, px, py); - } - points.pop(); - path.push("L", pi); - return path.join(""); - } - function d3_svg_lineBasisOpen(points) { - if (points.length < 4) return d3_svg_lineLinear(points); - var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ]; - while (++i < 3) { - pi = points[i]; - px.push(pi[0]); - py.push(pi[1]); - } - path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py)); - --i; - while (++i < n) { - pi = points[i]; - px.shift(); - px.push(pi[0]); - py.shift(); - py.push(pi[1]); - d3_svg_lineBasisBezier(path, px, py); - } - return path.join(""); - } - function d3_svg_lineBasisClosed(points) { - var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = []; - while (++i < 4) { - pi = points[i % n]; - px.push(pi[0]); - py.push(pi[1]); - } - path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ]; - --i; - while (++i < m) { - pi = points[i % n]; - px.shift(); - px.push(pi[0]); - py.shift(); - py.push(pi[1]); - d3_svg_lineBasisBezier(path, px, py); - } - return path.join(""); - } - function d3_svg_lineBundle(points, tension) { - var n = points.length - 1; - if (n) { - var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t; - while (++i <= n) { - p = points[i]; - t = i / n; - p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx); - p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy); - } - } - return d3_svg_lineBasis(points); - } - function d3_svg_lineDot4(a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3]; - } - var d3_svg_lineBasisBezier1 = [ 0, 2 / 3, 1 / 3, 0 ], d3_svg_lineBasisBezier2 = [ 0, 1 / 3, 2 / 3, 0 ], d3_svg_lineBasisBezier3 = [ 0, 1 / 6, 2 / 3, 1 / 6 ]; - function d3_svg_lineBasisBezier(path, x, y) { - path.push("C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y)); - } - function d3_svg_lineSlope(p0, p1) { - return (p1[1] - p0[1]) / (p1[0] - p0[0]); - } - function d3_svg_lineFiniteDifferences(points) { - var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1); - while (++i < j) { - m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2; - } - m[i] = d; - return m; + + function validSegment(segment) { + return segment.length > 1; } - function d3_svg_lineMonotoneTangents(points) { - var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1; - while (++i < j) { - d = d3_svg_lineSlope(points[i], points[i + 1]); - if (abs(d) < ε) { - m[i] = m[i + 1] = 0; - } else { - a = m[i] / d; - b = m[i + 1] / d; - s = a * a + b * b; - if (s > 9) { - s = d * 3 / Math.sqrt(s); - m[i] = s * a; - m[i + 1] = s * b; + + // Intersections are sorted along the clip edge. For both antimeridian cutting + // and circle clipping, the same comparison is used. + function compareIntersection(a, b) { + return ((a = a.x)[0] < 0 ? a[1] - halfPi$3 - epsilon$4 : halfPi$3 - a[1]) + - ((b = b.x)[0] < 0 ? b[1] - halfPi$3 - epsilon$4 : halfPi$3 - b[1]); + } + + var clipAntimeridian = clip( + function() { return true; }, + clipAntimeridianLine, + clipAntimeridianInterpolate, + [-pi$4, -halfPi$3] + ); + + // Takes a line and cuts into visible segments. Return values: 0 - there were + // intersections or the line was empty; 1 - no intersections; 2 - there were + // intersections, and the first and last segments should be rejoined. + function clipAntimeridianLine(stream) { + var lambda0 = NaN, + phi0 = NaN, + sign0 = NaN, + clean; // no intersections + + return { + lineStart: function() { + stream.lineStart(); + clean = 1; + }, + point: function(lambda1, phi1) { + var sign1 = lambda1 > 0 ? pi$4 : -pi$4, + delta = abs(lambda1 - lambda0); + if (abs(delta - pi$4) < epsilon$4) { // line crosses a pole + stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$3 : -halfPi$3); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + stream.point(lambda1, phi0); + clean = 0; + } else if (sign0 !== sign1 && delta >= pi$4) { // line crosses antimeridian + if (abs(lambda0 - sign0) < epsilon$4) lambda0 -= sign0 * epsilon$4; // handle degeneracies + if (abs(lambda1 - sign1) < epsilon$4) lambda1 -= sign1 * epsilon$4; + phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + clean = 0; } + stream.point(lambda0 = lambda1, phi0 = phi1); + sign0 = sign1; + }, + lineEnd: function() { + stream.lineEnd(); + lambda0 = phi0 = NaN; + }, + clean: function() { + return 2 - clean; // if intersections, rejoin first and last segments } - } - i = -1; - while (++i <= j) { - s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i])); - tangents.push([ s || 0, m[i] * s || 0 ]); - } - return tangents; + }; } - function d3_svg_lineMonotone(points) { - return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points)); + + function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { + var cosPhi0, + cosPhi1, + sinLambda0Lambda1 = sin$1(lambda0 - lambda1); + return abs(sinLambda0Lambda1) > epsilon$4 + ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) + - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) + / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) + : (phi0 + phi1) / 2; } - d3.svg.line.radial = function() { - var line = d3_svg_line(d3_svg_lineRadial); - line.radius = line.x, delete line.x; - line.angle = line.y, delete line.y; - return line; - }; - function d3_svg_lineRadial(points) { - var point, i = -1, n = points.length, r, a; - while (++i < n) { - point = points[i]; - r = point[0]; - a = point[1] - halfπ; - point[0] = r * Math.cos(a); - point[1] = r * Math.sin(a); + + function clipAntimeridianInterpolate(from, to, direction, stream) { + var phi; + if (from == null) { + phi = direction * halfPi$3; + stream.point(-pi$4, phi); + stream.point(0, phi); + stream.point(pi$4, phi); + stream.point(pi$4, 0); + stream.point(pi$4, -phi); + stream.point(0, -phi); + stream.point(-pi$4, -phi); + stream.point(-pi$4, 0); + stream.point(-pi$4, phi); + } else if (abs(from[0] - to[0]) > epsilon$4) { + var lambda = from[0] < to[0] ? pi$4 : -pi$4; + phi = direction * lambda / 2; + stream.point(-lambda, phi); + stream.point(0, phi); + stream.point(lambda, phi); + } else { + stream.point(to[0], to[1]); } - return points; } - function d3_svg_area(projection) { - var x0 = d3_geom_pointX, x1 = d3_geom_pointX, y0 = 0, y1 = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7; - function area(data) { - var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() { - return x; - } : d3_functor(x1), fy1 = y0 === y1 ? function() { - return y; - } : d3_functor(y1), x, y; - function segment() { - segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z"); - } - while (++i < n) { - if (defined.call(this, d = data[i], i)) { - points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]); - points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]); - } else if (points0.length) { - segment(); - points0 = []; - points1 = []; - } - } - if (points0.length) segment(); - return segments.length ? segments.join("") : null; + + function clipCircle(radius, delta) { + var cr = cos$1(radius), + smallRadius = cr > 0, + notHemisphere = abs(cr) > epsilon$4; // TODO optimise for this common case + + function interpolate(from, to, direction, stream) { + circleStream(stream, radius, delta, direction, from, to); } - area.x = function(_) { - if (!arguments.length) return x1; - x0 = x1 = _; - return area; - }; - area.x0 = function(_) { - if (!arguments.length) return x0; - x0 = _; - return area; - }; - area.x1 = function(_) { - if (!arguments.length) return x1; - x1 = _; - return area; - }; - area.y = function(_) { - if (!arguments.length) return y1; - y0 = y1 = _; - return area; - }; - area.y0 = function(_) { - if (!arguments.length) return y0; - y0 = _; - return area; - }; - area.y1 = function(_) { - if (!arguments.length) return y1; - y1 = _; - return area; - }; - area.defined = function(_) { - if (!arguments.length) return defined; - defined = _; - return area; - }; - area.interpolate = function(_) { - if (!arguments.length) return interpolateKey; - if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key; - interpolateReverse = interpolate.reverse || interpolate; - L = interpolate.closed ? "M" : "L"; - return area; - }; - area.tension = function(_) { - if (!arguments.length) return tension; - tension = _; - return area; - }; - return area; - } - d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter; - d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore; - d3.svg.area = function() { - return d3_svg_area(d3_identity); - }; - d3.svg.area.radial = function() { - var area = d3_svg_area(d3_svg_lineRadial); - area.radius = area.x, delete area.x; - area.innerRadius = area.x0, delete area.x0; - area.outerRadius = area.x1, delete area.x1; - area.angle = area.y, delete area.y; - area.startAngle = area.y0, delete area.y0; - area.endAngle = area.y1, delete area.y1; - return area; - }; - d3.svg.chord = function() { - var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle; - function chord(d, i) { - var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i); - return "M" + s.p0 + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t) ? curve(s.r, s.p1, s.r, s.p0) : curve(s.r, s.p1, t.r, t.p0) + arc(t.r, t.p1, t.a1 - t.a0) + curve(t.r, t.p1, s.r, s.p0)) + "Z"; - } - function subgroup(self, f, d, i) { - var subgroup = f.call(self, d, i), r = radius.call(self, subgroup, i), a0 = startAngle.call(self, subgroup, i) - halfπ, a1 = endAngle.call(self, subgroup, i) - halfπ; + + function visible(lambda, phi) { + return cos$1(lambda) * cos$1(phi) > cr; + } + + // Takes a line and cuts into visible segments. Return values used for polygon + // clipping: 0 - there were intersections or the line was empty; 1 - no + // intersections 2 - there were intersections, and the first and last segments + // should be rejoined. + function clipLine(stream) { + var point0, // previous point + c0, // code for previous point + v0, // visibility of previous point + v00, // visibility of first point + clean; // no intersections return { - r: r, - a0: a0, - a1: a1, - p0: [ r * Math.cos(a0), r * Math.sin(a0) ], - p1: [ r * Math.cos(a1), r * Math.sin(a1) ] + lineStart: function() { + v00 = v0 = false; + clean = 1; + }, + point: function(lambda, phi) { + var point1 = [lambda, phi], + point2, + v = visible(lambda, phi), + c = smallRadius + ? v ? 0 : code(lambda, phi) + : v ? code(lambda + (lambda < 0 ? pi$4 : -pi$4), phi) : 0; + if (!point0 && (v00 = v0 = v)) stream.lineStart(); + // Handle degeneracies. + // TODO ignore if not clipping polygons. + if (v !== v0) { + point2 = intersect(point0, point1); + if (pointEqual(point0, point2) || pointEqual(point1, point2)) { + point1[0] += epsilon$4; + point1[1] += epsilon$4; + v = visible(point1[0], point1[1]); + } + } + if (v !== v0) { + clean = 0; + if (v) { + // outside going in + stream.lineStart(); + point2 = intersect(point1, point0); + stream.point(point2[0], point2[1]); + } else { + // inside going out + point2 = intersect(point0, point1); + stream.point(point2[0], point2[1]); + stream.lineEnd(); + } + point0 = point2; + } else if (notHemisphere && point0 && smallRadius ^ v) { + var t; + // If the codes for two points are different, or are both zero, + // and there this segment intersects with the small circle. + if (!(c & c0) && (t = intersect(point1, point0, true))) { + clean = 0; + if (smallRadius) { + stream.lineStart(); + stream.point(t[0][0], t[0][1]); + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); + } else { + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); + stream.lineStart(); + stream.point(t[0][0], t[0][1]); + } + } + } + if (v && (!point0 || !pointEqual(point0, point1))) { + stream.point(point1[0], point1[1]); + } + point0 = point1, v0 = v, c0 = c; + }, + lineEnd: function() { + if (v0) stream.lineEnd(); + point0 = null; + }, + // Rejoin first and last segments if there were intersections and the first + // and last points were visible. + clean: function() { + return clean | ((v00 && v0) << 1); + } }; } - function equals(a, b) { - return a.a0 == b.a0 && a.a1 == b.a1; - } - function arc(r, p, a) { - return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + p; + + // Intersects the great circle between a and b with the clip circle. + function intersect(a, b, two) { + var pa = cartesian(a), + pb = cartesian(b); + + // We have two planes, n1.p = d1 and n2.p = d2. + // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). + var n1 = [1, 0, 0], // normal + n2 = cartesianCross(pa, pb), + n2n2 = cartesianDot(n2, n2), + n1n2 = n2[0], // cartesianDot(n1, n2), + determinant = n2n2 - n1n2 * n1n2; + + // Two polar points. + if (!determinant) return !two && a; + + var c1 = cr * n2n2 / determinant, + c2 = -cr * n1n2 / determinant, + n1xn2 = cartesianCross(n1, n2), + A = cartesianScale(n1, c1), + B = cartesianScale(n2, c2); + cartesianAddInPlace(A, B); + + // Solve |p(t)|^2 = 1. + var u = n1xn2, + w = cartesianDot(A, u), + uu = cartesianDot(u, u), + t2 = w * w - uu * (cartesianDot(A, A) - 1); + + if (t2 < 0) return; + + var t = sqrt$1(t2), + q = cartesianScale(u, (-w - t) / uu); + cartesianAddInPlace(q, A); + q = spherical(q); + + if (!two) return q; + + // Two intersection points. + var lambda0 = a[0], + lambda1 = b[0], + phi0 = a[1], + phi1 = b[1], + z; + + if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; + + var delta = lambda1 - lambda0, + polar = abs(delta - pi$4) < epsilon$4, + meridian = polar || delta < epsilon$4; + + if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; + + // Check that the first point is between a and b. + if (meridian + ? polar + ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$4 ? phi0 : phi1) + : phi0 <= q[1] && q[1] <= phi1 + : delta > pi$4 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { + var q1 = cartesianScale(u, (-w + t) / uu); + cartesianAddInPlace(q1, A); + return [q, spherical(q1)]; + } } - function curve(r0, p0, r1, p1) { - return "Q 0,0 " + p1; + + // Generates a 4-bit vector representing the location of a point relative to + // the small circle's bounding box. + function code(lambda, phi) { + var r = smallRadius ? radius : pi$4 - radius, + code = 0; + if (lambda < -r) code |= 1; // left + else if (lambda > r) code |= 2; // right + if (phi < -r) code |= 4; // below + else if (phi > r) code |= 8; // above + return code; } - chord.radius = function(v) { - if (!arguments.length) return radius; - radius = d3_functor(v); - return chord; - }; - chord.source = function(v) { - if (!arguments.length) return source; - source = d3_functor(v); - return chord; - }; - chord.target = function(v) { - if (!arguments.length) return target; - target = d3_functor(v); - return chord; - }; - chord.startAngle = function(v) { - if (!arguments.length) return startAngle; - startAngle = d3_functor(v); - return chord; - }; - chord.endAngle = function(v) { - if (!arguments.length) return endAngle; - endAngle = d3_functor(v); - return chord; - }; - return chord; - }; - function d3_svg_chordRadius(d) { - return d.radius; - } - d3.svg.diagonal = function() { - var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection; - function diagonal(d, i) { - var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, { - x: p0.x, - y: m - }, { - x: p3.x, - y: m - }, p3 ]; - p = p.map(projection); - return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3]; - } - diagonal.source = function(x) { - if (!arguments.length) return source; - source = d3_functor(x); - return diagonal; - }; - diagonal.target = function(x) { - if (!arguments.length) return target; - target = d3_functor(x); - return diagonal; - }; - diagonal.projection = function(x) { - if (!arguments.length) return projection; - projection = x; - return diagonal; - }; - return diagonal; - }; - function d3_svg_diagonalProjection(d) { - return [ d.x, d.y ]; + + return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$4, radius - pi$4]); } - d3.svg.diagonal.radial = function() { - var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection; - diagonal.projection = function(x) { - return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection; - }; - return diagonal; - }; - function d3_svg_diagonalRadialProjection(projection) { - return function() { - var d = projection.apply(this, arguments), r = d[0], a = d[1] - halfπ; - return [ r * Math.cos(a), r * Math.sin(a) ]; + + function transform$1(prototype) { + return { + stream: transform$2(prototype) }; } - d3.svg.symbol = function() { - var type = d3_svg_symbolType, size = d3_svg_symbolSize; - function symbol(d, i) { - return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i)); - } - symbol.type = function(x) { - if (!arguments.length) return type; - type = d3_functor(x); - return symbol; - }; - symbol.size = function(x) { - if (!arguments.length) return size; - size = d3_functor(x); - return symbol; + + function transform$2(prototype) { + function T() {} + var p = T.prototype = Object.create(Transform$1.prototype); + for (var k in prototype) p[k] = prototype[k]; + return function(stream) { + var t = new T; + t.stream = stream; + return t; }; - return symbol; - }; - function d3_svg_symbolSize() { - return 64; } - function d3_svg_symbolType() { - return "circle"; + + function Transform$1() {} + + Transform$1.prototype = { + point: function(x, y) { this.stream.point(x, y); }, + sphere: function() { this.stream.sphere(); }, + lineStart: function() { this.stream.lineStart(); }, + lineEnd: function() { this.stream.lineEnd(); }, + polygonStart: function() { this.stream.polygonStart(); }, + polygonEnd: function() { this.stream.polygonEnd(); } + }; + + var maxDepth = 16; + var cosMinDistance = cos$1(30 * radians); + // cos(minimum angular distance) + + function resample(project, delta2) { + return +delta2 ? resample$1(project, delta2) : resampleNone(project); } - function d3_svg_symbolCircle(size) { - var r = Math.sqrt(size / π); - return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z"; + + function resampleNone(project) { + return transform$2({ + point: function(x, y) { + x = project(x, y); + this.stream.point(x[0], x[1]); + } + }); } - var d3_svg_symbols = d3.map({ - circle: d3_svg_symbolCircle, - cross: function(size) { - var r = Math.sqrt(size / 5) / 2; - return "M" + -3 * r + "," + -r + "H" + -r + "V" + -3 * r + "H" + r + "V" + -r + "H" + 3 * r + "V" + r + "H" + r + "V" + 3 * r + "H" + -r + "V" + r + "H" + -3 * r + "Z"; - }, - diamond: function(size) { - var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30; - return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z"; - }, - square: function(size) { - var r = Math.sqrt(size) / 2; - return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z"; - }, - "triangle-down": function(size) { - var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2; - return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z"; - }, - "triangle-up": function(size) { - var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2; - return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z"; - } - }); - d3.svg.symbolTypes = d3_svg_symbols.keys(); - var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians); - d3_selectionPrototype.transition = function(name) { - var id = d3_transitionInheritId || ++d3_transitionId, ns = d3_transitionNamespace(name), subgroups = [], subgroup, node, transition = d3_transitionInherit || { - time: Date.now(), - ease: d3_ease_cubicInOut, - delay: 0, - duration: 250 - }; - for (var j = -1, m = this.length; ++j < m; ) { - subgroups.push(subgroup = []); - for (var group = this[j], i = -1, n = group.length; ++i < n; ) { - if (node = group[i]) d3_transitionNode(node, i, ns, id, transition); - subgroup.push(node); - } - } - return d3_transition(subgroups, ns, id); - }; - d3_selectionPrototype.interrupt = function(name) { - return this.each(name == null ? d3_selection_interrupt : d3_selection_interruptNS(d3_transitionNamespace(name))); - }; - var d3_selection_interrupt = d3_selection_interruptNS(d3_transitionNamespace()); - function d3_selection_interruptNS(ns) { - return function() { - var lock, activeId, active; - if ((lock = this[ns]) && (active = lock[activeId = lock.active])) { - active.timer.c = null; - active.timer.t = NaN; - if (--lock.count) delete lock[activeId]; else delete this[ns]; - lock.active += .5; - active.event && active.event.interrupt.call(this, this.__data__, active.index); - } - }; - } - function d3_transition(groups, ns, id) { - d3_subclass(groups, d3_transitionPrototype); - groups.namespace = ns; - groups.id = id; - return groups; - } - var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit; - d3_transitionPrototype.call = d3_selectionPrototype.call; - d3_transitionPrototype.empty = d3_selectionPrototype.empty; - d3_transitionPrototype.node = d3_selectionPrototype.node; - d3_transitionPrototype.size = d3_selectionPrototype.size; - d3.transition = function(selection, name) { - return selection && selection.transition ? d3_transitionInheritId ? selection.transition(name) : selection : d3.selection().transition(selection); - }; - d3.transition.prototype = d3_transitionPrototype; - d3_transitionPrototype.select = function(selector) { - var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnode, node; - selector = d3_selection_selector(selector); - for (var j = -1, m = this.length; ++j < m; ) { - subgroups.push(subgroup = []); - for (var group = this[j], i = -1, n = group.length; ++i < n; ) { - if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i, j))) { - if ("__data__" in node) subnode.__data__ = node.__data__; - d3_transitionNode(subnode, i, ns, id, node[ns][id]); - subgroup.push(subnode); - } else { - subgroup.push(null); + + function resample$1(project, delta2) { + + function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) { + var dx = x1 - x0, + dy = y1 - y0, + d2 = dx * dx + dy * dy; + if (d2 > 4 * delta2 && depth--) { + var a = a0 + a1, + b = b0 + b1, + c = c0 + c1, + m = sqrt$1(a * a + b * b + c * c), + phi2 = asin$1(c /= m), + lambda2 = abs(abs(c) - 1) < epsilon$4 || abs(lambda0 - lambda1) < epsilon$4 ? (lambda0 + lambda1) / 2 : atan2(b, a), + p = project(lambda2, phi2), + x2 = p[0], + y2 = p[1], + dx2 = x2 - x0, + dy2 = y2 - y0, + dz = dy * dx2 - dx * dy2; + if (dz * dz / d2 > delta2 // perpendicular projected distance + || abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end + || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream); + stream.point(x2, y2); + resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream); } } } - return d3_transition(subgroups, ns, id); - }; - d3_transitionPrototype.selectAll = function(selector) { - var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnodes, node, subnode, transition; - selector = d3_selection_selectorAll(selector); - for (var j = -1, m = this.length; ++j < m; ) { - for (var group = this[j], i = -1, n = group.length; ++i < n; ) { - if (node = group[i]) { - transition = node[ns][id]; - subnodes = selector.call(node, node.__data__, i, j); - subgroups.push(subgroup = []); - for (var k = -1, o = subnodes.length; ++k < o; ) { - if (subnode = subnodes[k]) d3_transitionNode(subnode, k, ns, id, transition); - subgroup.push(subnode); - } - } + return function(stream) { + var lambda00, x00, y00, a00, b00, c00, // first point + lambda0, x0, y0, a0, b0, c0; // previous point + + var resampleStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; }, + polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; } + }; + + function point(x, y) { + x = project(x, y); + stream.point(x[0], x[1]); } - } - return d3_transition(subgroups, ns, id); - }; - d3_transitionPrototype.filter = function(filter) { - var subgroups = [], subgroup, group, node; - if (typeof filter !== "function") filter = d3_selection_filter(filter); - for (var j = 0, m = this.length; j < m; j++) { - subgroups.push(subgroup = []); - for (var group = this[j], i = 0, n = group.length; i < n; i++) { - if ((node = group[i]) && filter.call(node, node.__data__, i, j)) { - subgroup.push(node); - } + + function lineStart() { + x0 = NaN; + resampleStream.point = linePoint; + stream.lineStart(); } - } - return d3_transition(subgroups, this.namespace, this.id); - }; - d3_transitionPrototype.tween = function(name, tween) { - var id = this.id, ns = this.namespace; - if (arguments.length < 2) return this.node()[ns][id].tween.get(name); - return d3_selection_each(this, tween == null ? function(node) { - node[ns][id].tween.remove(name); - } : function(node) { - node[ns][id].tween.set(name, tween); - }); - }; - function d3_transition_tween(groups, name, value, tween) { - var id = groups.id, ns = groups.namespace; - return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) { - node[ns][id].tween.set(name, tween(value.call(node, node.__data__, i, j))); - } : (value = tween(value), function(node) { - node[ns][id].tween.set(name, value); - })); - } - d3_transitionPrototype.attr = function(nameNS, value) { - if (arguments.length < 2) { - for (value in nameNS) this.attr(value, nameNS[value]); - return this; - } - var interpolate = nameNS == "transform" ? d3_interpolateTransform : d3_interpolate, name = d3.ns.qualify(nameNS); - function attrNull() { - this.removeAttribute(name); - } - function attrNullNS() { - this.removeAttributeNS(name.space, name.local); - } - function attrTween(b) { - return b == null ? attrNull : (b += "", function() { - var a = this.getAttribute(name), i; - return a !== b && (i = interpolate(a, b), function(t) { - this.setAttribute(name, i(t)); - }); - }); - } - function attrTweenNS(b) { - return b == null ? attrNullNS : (b += "", function() { - var a = this.getAttributeNS(name.space, name.local), i; - return a !== b && (i = interpolate(a, b), function(t) { - this.setAttributeNS(name.space, name.local, i(t)); - }); - }); - } - return d3_transition_tween(this, "attr." + nameNS, value, name.local ? attrTweenNS : attrTween); - }; - d3_transitionPrototype.attrTween = function(nameNS, tween) { - var name = d3.ns.qualify(nameNS); - function attrTween(d, i) { - var f = tween.call(this, d, i, this.getAttribute(name)); - return f && function(t) { - this.setAttribute(name, f(t)); - }; - } - function attrTweenNS(d, i) { - var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local)); - return f && function(t) { - this.setAttributeNS(name.space, name.local, f(t)); - }; - } - return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween); - }; - d3_transitionPrototype.style = function(name, value, priority) { - var n = arguments.length; - if (n < 3) { - if (typeof name !== "string") { - if (n < 2) value = ""; - for (priority in name) this.style(priority, name[priority], value); - return this; + + function linePoint(lambda, phi) { + var c = cartesian([lambda, phi]), p = project(lambda, phi); + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); + stream.point(x0, y0); } - priority = ""; - } - function styleNull() { - this.style.removeProperty(name); - } - function styleString(b) { - return b == null ? styleNull : (b += "", function() { - var a = d3_window(this).getComputedStyle(this, null).getPropertyValue(name), i; - return a !== b && (i = d3_interpolate(a, b), function(t) { - this.style.setProperty(name, i(t), priority); - }); - }); - } - return d3_transition_tween(this, "style." + name, value, styleString); - }; - d3_transitionPrototype.styleTween = function(name, tween, priority) { - if (arguments.length < 3) priority = ""; - function styleTween(d, i) { - var f = tween.call(this, d, i, d3_window(this).getComputedStyle(this, null).getPropertyValue(name)); - return f && function(t) { - this.style.setProperty(name, f(t), priority); - }; - } - return this.tween("style." + name, styleTween); - }; - d3_transitionPrototype.text = function(value) { - return d3_transition_tween(this, "text", value, d3_transition_text); - }; - function d3_transition_text(b) { - if (b == null) b = ""; - return function() { - this.textContent = b; - }; - } - d3_transitionPrototype.remove = function() { - var ns = this.namespace; - return this.each("end.transition", function() { - var p; - if (this[ns].count < 2 && (p = this.parentNode)) p.removeChild(this); - }); - }; - d3_transitionPrototype.ease = function(value) { - var id = this.id, ns = this.namespace; - if (arguments.length < 1) return this.node()[ns][id].ease; - if (typeof value !== "function") value = d3.ease.apply(d3, arguments); - return d3_selection_each(this, function(node) { - node[ns][id].ease = value; - }); - }; - d3_transitionPrototype.delay = function(value) { - var id = this.id, ns = this.namespace; - if (arguments.length < 1) return this.node()[ns][id].delay; - return d3_selection_each(this, typeof value === "function" ? function(node, i, j) { - node[ns][id].delay = +value.call(node, node.__data__, i, j); - } : (value = +value, function(node) { - node[ns][id].delay = value; - })); - }; - d3_transitionPrototype.duration = function(value) { - var id = this.id, ns = this.namespace; - if (arguments.length < 1) return this.node()[ns][id].duration; - return d3_selection_each(this, typeof value === "function" ? function(node, i, j) { - node[ns][id].duration = Math.max(1, value.call(node, node.__data__, i, j)); - } : (value = Math.max(1, value), function(node) { - node[ns][id].duration = value; - })); - }; - d3_transitionPrototype.each = function(type, listener) { - var id = this.id, ns = this.namespace; - if (arguments.length < 2) { - var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId; - try { - d3_transitionInheritId = id; - d3_selection_each(this, function(node, i, j) { - d3_transitionInherit = node[ns][id]; - type.call(node, node.__data__, i, j); - }); - } finally { - d3_transitionInherit = inherit; - d3_transitionInheritId = inheritId; + + function lineEnd() { + resampleStream.point = point; + stream.lineEnd(); } - } else { - d3_selection_each(this, function(node) { - var transition = node[ns][id]; - (transition.event || (transition.event = d3.dispatch("start", "end", "interrupt"))).on(type, listener); - }); - } - return this; - }; - d3_transitionPrototype.transition = function() { - var id0 = this.id, id1 = ++d3_transitionId, ns = this.namespace, subgroups = [], subgroup, group, node, transition; - for (var j = 0, m = this.length; j < m; j++) { - subgroups.push(subgroup = []); - for (var group = this[j], i = 0, n = group.length; i < n; i++) { - if (node = group[i]) { - transition = node[ns][id0]; - d3_transitionNode(node, i, ns, id1, { - time: transition.time, - ease: transition.ease, - delay: transition.delay + transition.duration, - duration: transition.duration - }); - } - subgroup.push(node); + + function ringStart() { + lineStart(); + resampleStream.point = ringPoint; + resampleStream.lineEnd = ringEnd; + } + + function ringPoint(lambda, phi) { + linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; + resampleStream.point = linePoint; + } + + function ringEnd() { + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream); + resampleStream.lineEnd = lineEnd; + lineEnd(); } + + return resampleStream; + }; + } + + var transformRadians = transform$2({ + point: function(x, y) { + this.stream.point(x * radians, y * radians); } - return d3_transition(subgroups, ns, id1); - }; - function d3_transitionNamespace(name) { - return name == null ? "__transition__" : "__transition_" + name + "__"; - } - function d3_transitionNode(node, i, ns, id, inherit) { - var lock = node[ns] || (node[ns] = { - active: 0, - count: 0 - }), transition = lock[id], time, timer, duration, ease, tweens; - function schedule(elapsed) { - var delay = transition.delay; - timer.t = delay + time; - if (delay <= elapsed) return start(elapsed - delay); - timer.c = start; + }); + + function projection(project) { + return projectionMutator(function() { return project; })(); + } + + function projectionMutator(projectAt) { + var project, + k = 150, // scale + x = 480, y = 250, // translate + dx, dy, lambda = 0, phi = 0, // center + deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, projectRotate, // rotate + theta = null, preclip = clipAntimeridian, // clip angle + x0 = null, y0, x1, y1, postclip = identity$7, // clip extent + delta2 = 0.5, projectResample = resample(projectTransform, delta2), // precision + cache, + cacheStream; + + function projection(point) { + point = projectRotate(point[0] * radians, point[1] * radians); + return [point[0] * k + dx, dy - point[1] * k]; } - function start(elapsed) { - var activeId = lock.active, active = lock[activeId]; - if (active) { - active.timer.c = null; - active.timer.t = NaN; - --lock.count; - delete lock[activeId]; - active.event && active.event.interrupt.call(node, node.__data__, active.index); - } - for (var cancelId in lock) { - if (+cancelId < id) { - var cancel = lock[cancelId]; - cancel.timer.c = null; - cancel.timer.t = NaN; - --lock.count; - delete lock[cancelId]; - } - } - timer.c = tick; - d3_timer(function() { - if (timer.c && tick(elapsed || 1)) { - timer.c = null; - timer.t = NaN; - } - return 1; - }, 0, time); - lock.active = id; - transition.event && transition.event.start.call(node, node.__data__, i); - tweens = []; - transition.tween.forEach(function(key, value) { - if (value = value.call(node, node.__data__, i)) { - tweens.push(value); - } - }); - ease = transition.ease; - duration = transition.duration; + + function invert(point) { + point = projectRotate.invert((point[0] - dx) / k, (dy - point[1]) / k); + return point && [point[0] * degrees$1, point[1] * degrees$1]; } - function tick(elapsed) { - var t = elapsed / duration, e = ease(t), n = tweens.length; - while (n > 0) { - tweens[--n].call(node, e); - } - if (t >= 1) { - transition.event && transition.event.end.call(node, node.__data__, i); - if (--lock.count) delete lock[id]; else delete node[ns]; - return 1; - } - } - if (!transition) { - time = inherit.time; - timer = d3_timer(schedule, 0, time); - transition = lock[id] = { - tween: new d3_Map(), - time: time, - timer: timer, - delay: inherit.delay, - duration: inherit.duration, - ease: inherit.ease, - index: i - }; - inherit = null; - ++lock.count; - } - } - d3.svg.axis = function() { - var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, innerTickSize = 6, outerTickSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_; - function axis(g) { - g.each(function() { - var g = d3.select(this); - var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = scale.copy(); - var ticks = tickValues == null ? scale1.ticks ? scale1.ticks.apply(scale1, tickArguments_) : scale1.domain() : tickValues, tickFormat = tickFormat_ == null ? scale1.tickFormat ? scale1.tickFormat.apply(scale1, tickArguments_) : d3_identity : tickFormat_, tick = g.selectAll(".tick").data(ticks, scale1), tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", ε), tickExit = d3.transition(tick.exit()).style("opacity", ε).remove(), tickUpdate = d3.transition(tick.order()).style("opacity", 1), tickSpacing = Math.max(innerTickSize, 0) + tickPadding, tickTransform; - var range = d3_scaleRange(scale1), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"), - d3.transition(path)); - tickEnter.append("line"); - tickEnter.append("text"); - var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), text = tick.select("text").text(tickFormat), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text"), sign = orient === "top" || orient === "left" ? -1 : 1, x1, x2, y1, y2; - if (orient === "bottom" || orient === "top") { - tickTransform = d3_svg_axisX, x1 = "x", y1 = "y", x2 = "x2", y2 = "y2"; - text.attr("dy", sign < 0 ? "0em" : ".71em").style("text-anchor", "middle"); - pathUpdate.attr("d", "M" + range[0] + "," + sign * outerTickSize + "V0H" + range[1] + "V" + sign * outerTickSize); - } else { - tickTransform = d3_svg_axisY, x1 = "y", y1 = "x", x2 = "y2", y2 = "x2"; - text.attr("dy", ".32em").style("text-anchor", sign < 0 ? "end" : "start"); - pathUpdate.attr("d", "M" + sign * outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + sign * outerTickSize); - } - lineEnter.attr(y2, sign * innerTickSize); - textEnter.attr(y1, sign * tickSpacing); - lineUpdate.attr(x2, 0).attr(y2, sign * innerTickSize); - textUpdate.attr(x1, 0).attr(y1, sign * tickSpacing); - if (scale1.rangeBand) { - var x = scale1, dx = x.rangeBand() / 2; - scale0 = scale1 = function(d) { - return x(d) + dx; - }; - } else if (scale0.rangeBand) { - scale0 = scale1; - } else { - tickExit.call(tickTransform, scale1, scale0); - } - tickEnter.call(tickTransform, scale0, scale1); - tickUpdate.call(tickTransform, scale1, scale1); - }); + + function projectTransform(x, y) { + return x = project(x, y), [x[0] * k + dx, dy - x[1] * k]; } - axis.scale = function(x) { - if (!arguments.length) return scale; - scale = x; - return axis; + + projection.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = transformRadians(preclip(rotate, projectResample(postclip(cacheStream = stream)))); }; - axis.orient = function(x) { - if (!arguments.length) return orient; - orient = x in d3_svg_axisOrients ? x + "" : d3_svg_axisDefaultOrient; - return axis; + + projection.clipAngle = function(_) { + return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians, 6 * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1; }; - axis.ticks = function() { - if (!arguments.length) return tickArguments_; - tickArguments_ = d3_array(arguments); - return axis; - }; - axis.tickValues = function(x) { - if (!arguments.length) return tickValues; - tickValues = x; - return axis; - }; - axis.tickFormat = function(x) { - if (!arguments.length) return tickFormat_; - tickFormat_ = x; - return axis; - }; - axis.tickSize = function(x) { - var n = arguments.length; - if (!n) return innerTickSize; - innerTickSize = +x; - outerTickSize = +arguments[n - 1]; - return axis; - }; - axis.innerTickSize = function(x) { - if (!arguments.length) return innerTickSize; - innerTickSize = +x; - return axis; - }; - axis.outerTickSize = function(x) { - if (!arguments.length) return outerTickSize; - outerTickSize = +x; - return axis; - }; - axis.tickPadding = function(x) { - if (!arguments.length) return tickPadding; - tickPadding = +x; - return axis; - }; - axis.tickSubdivide = function() { - return arguments.length && axis; + + projection.clipExtent = function(_) { + return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$7) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; }; - return axis; - }; - var d3_svg_axisDefaultOrient = "bottom", d3_svg_axisOrients = { - top: 1, - right: 1, - bottom: 1, - left: 1 - }; - function d3_svg_axisX(selection, x0, x1) { - selection.attr("transform", function(d) { - var v0 = x0(d); - return "translate(" + (isFinite(v0) ? v0 : x1(d)) + ",0)"; - }); - } - function d3_svg_axisY(selection, y0, y1) { - selection.attr("transform", function(d) { - var v0 = y0(d); - return "translate(0," + (isFinite(v0) ? v0 : y1(d)) + ")"; - }); - } - d3.svg.brush = function() { - var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, xExtent = [ 0, 0 ], yExtent = [ 0, 0 ], xExtentDomain, yExtentDomain, xClamp = true, yClamp = true, resizes = d3_svg_brushResizes[0]; - function brush(g) { - g.each(function() { - var g = d3.select(this).style("pointer-events", "all").style("-webkit-tap-highlight-color", "rgba(0,0,0,0)").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart); - var background = g.selectAll(".background").data([ 0 ]); - background.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair"); - g.selectAll(".extent").data([ 0 ]).enter().append("rect").attr("class", "extent").style("cursor", "move"); - var resize = g.selectAll(".resize").data(resizes, d3_identity); - resize.exit().remove(); - resize.enter().append("g").attr("class", function(d) { - return "resize " + d; - }).style("cursor", function(d) { - return d3_svg_brushCursor[d]; - }).append("rect").attr("x", function(d) { - return /[ew]$/.test(d) ? -3 : null; - }).attr("y", function(d) { - return /^[ns]/.test(d) ? -3 : null; - }).attr("width", 6).attr("height", 6).style("visibility", "hidden"); - resize.style("display", brush.empty() ? "none" : null); - var gUpdate = d3.transition(g), backgroundUpdate = d3.transition(background), range; - if (x) { - range = d3_scaleRange(x); - backgroundUpdate.attr("x", range[0]).attr("width", range[1] - range[0]); - redrawX(gUpdate); - } - if (y) { - range = d3_scaleRange(y); - backgroundUpdate.attr("y", range[0]).attr("height", range[1] - range[0]); - redrawY(gUpdate); - } - redraw(gUpdate); - }); - } - brush.event = function(g) { - g.each(function() { - var event_ = event.of(this, arguments), extent1 = { - x: xExtent, - y: yExtent, - i: xExtentDomain, - j: yExtentDomain - }, extent0 = this.__chart__ || extent1; - this.__chart__ = extent1; - if (d3_transitionInheritId) { - d3.select(this).transition().each("start.brush", function() { - xExtentDomain = extent0.i; - yExtentDomain = extent0.j; - xExtent = extent0.x; - yExtent = extent0.y; - event_({ - type: "brushstart" - }); - }).tween("brush:brush", function() { - var xi = d3_interpolateArray(xExtent, extent1.x), yi = d3_interpolateArray(yExtent, extent1.y); - xExtentDomain = yExtentDomain = null; - return function(t) { - xExtent = extent1.x = xi(t); - yExtent = extent1.y = yi(t); - event_({ - type: "brush", - mode: "resize" - }); - }; - }).each("end.brush", function() { - xExtentDomain = extent1.i; - yExtentDomain = extent1.j; - event_({ - type: "brush", - mode: "resize" - }); - event_({ - type: "brushend" - }); - }); - } else { - event_({ - type: "brushstart" - }); - event_({ - type: "brush", - mode: "resize" - }); - event_({ - type: "brushend" - }); - } - }); + + projection.scale = function(_) { + return arguments.length ? (k = +_, recenter()) : k; }; - function redraw(g) { - g.selectAll(".resize").attr("transform", function(d) { - return "translate(" + xExtent[+/e$/.test(d)] + "," + yExtent[+/^s/.test(d)] + ")"; - }); + + projection.translate = function(_) { + return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y]; + }; + + projection.center = function(_) { + return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees$1, phi * degrees$1]; + }; + + projection.rotate = function(_) { + return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees$1, deltaPhi * degrees$1, deltaGamma * degrees$1]; + }; + + projection.precision = function(_) { + return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt$1(delta2); + }; + + function recenter() { + projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); + var center = project(lambda, phi); + dx = x - center[0] * k; + dy = y + center[1] * k; + return reset(); } - function redrawX(g) { - g.select(".extent").attr("x", xExtent[0]); - g.selectAll(".extent,.n>rect,.s>rect").attr("width", xExtent[1] - xExtent[0]); + + function reset() { + cache = cacheStream = null; + return projection; } - function redrawY(g) { - g.select(".extent").attr("y", yExtent[0]); - g.selectAll(".extent,.e>rect,.w>rect").attr("height", yExtent[1] - yExtent[0]); + + return function() { + project = projectAt.apply(this, arguments); + projection.invert = project.invert && invert; + return recenter(); + }; + } + + function conicProjection(projectAt) { + var phi0 = 0, + phi1 = pi$4 / 3, + m = projectionMutator(projectAt), + p = m(phi0, phi1); + + p.parallels = function(_) { + return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees$1, phi1 * degrees$1]; + }; + + return p; + } + + function conicEqualAreaRaw(y0, y1) { + var sy0 = sin$1(y0), + n = (sy0 + sin$1(y1)) / 2, + c = 1 + sy0 * (2 * n - sy0), + r0 = sqrt$1(c) / n; + + function project(x, y) { + var r = sqrt$1(c - 2 * n * sin$1(y)) / n; + return [r * sin$1(x *= n), r0 - r * cos$1(x)]; } - function brushstart() { - var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), dragRestore = d3_event_dragSuppress(target), center, origin = d3.mouse(target), offset; - var w = d3.select(d3_window(target)).on("keydown.brush", keydown).on("keyup.brush", keyup); - if (d3.event.changedTouches) { - w.on("touchmove.brush", brushmove).on("touchend.brush", brushend); - } else { - w.on("mousemove.brush", brushmove).on("mouseup.brush", brushend); - } - g.interrupt().selectAll("*").interrupt(); - if (dragging) { - origin[0] = xExtent[0] - origin[0]; - origin[1] = yExtent[0] - origin[1]; - } else if (resizing) { - var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing); - offset = [ xExtent[1 - ex] - origin[0], yExtent[1 - ey] - origin[1] ]; - origin[0] = xExtent[ex]; - origin[1] = yExtent[ey]; - } else if (d3.event.altKey) center = origin.slice(); - g.style("pointer-events", "none").selectAll(".resize").style("display", null); - d3.select("body").style("cursor", eventTarget.style("cursor")); - event_({ - type: "brushstart" - }); - brushmove(); - function keydown() { - if (d3.event.keyCode == 32) { - if (!dragging) { - center = null; - origin[0] -= xExtent[1]; - origin[1] -= yExtent[1]; - dragging = 2; - } - d3_eventPreventDefault(); - } - } - function keyup() { - if (d3.event.keyCode == 32 && dragging == 2) { - origin[0] += xExtent[1]; - origin[1] += yExtent[1]; - dragging = 0; - d3_eventPreventDefault(); - } - } - function brushmove() { - var point = d3.mouse(target), moved = false; - if (offset) { - point[0] += offset[0]; - point[1] += offset[1]; - } - if (!dragging) { - if (d3.event.altKey) { - if (!center) center = [ (xExtent[0] + xExtent[1]) / 2, (yExtent[0] + yExtent[1]) / 2 ]; - origin[0] = xExtent[+(point[0] < center[0])]; - origin[1] = yExtent[+(point[1] < center[1])]; - } else center = null; - } - if (resizingX && move1(point, x, 0)) { - redrawX(g); - moved = true; - } - if (resizingY && move1(point, y, 1)) { - redrawY(g); - moved = true; - } - if (moved) { - redraw(g); - event_({ - type: "brush", - mode: dragging ? "move" : "resize" - }); - } - } - function move1(point, scale, i) { - var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], extent = i ? yExtent : xExtent, size = extent[1] - extent[0], min, max; - if (dragging) { - r0 -= position; - r1 -= size + position; - } - min = (i ? yClamp : xClamp) ? Math.max(r0, Math.min(r1, point[i])) : point[i]; - if (dragging) { - max = (min += position) + size; - } else { - if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min)); - if (position < min) { - max = min; - min = position; - } else { - max = position; - } - } - if (extent[0] != min || extent[1] != max) { - if (i) yExtentDomain = null; else xExtentDomain = null; - extent[0] = min; - extent[1] = max; - return true; - } - } - function brushend() { - brushmove(); - g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null); - d3.select("body").style("cursor", null); - w.on("mousemove.brush", null).on("mouseup.brush", null).on("touchmove.brush", null).on("touchend.brush", null).on("keydown.brush", null).on("keyup.brush", null); - dragRestore(); - event_({ - type: "brushend" - }); - } + + project.invert = function(x, y) { + var r0y = r0 - y; + return [atan2(x, r0y) / n, asin$1((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; + }; + + return project; + } + + function conicEqualArea() { + return conicProjection(conicEqualAreaRaw) + .scale(151) + .translate([480, 347]); + } + + function albers() { + return conicEqualArea() + .parallels([29.5, 45.5]) + .scale(1070) + .translate([480, 250]) + .rotate([96, 0]) + .center([-0.6, 38.7]); + } + + // The projections must have mutually exclusive clip regions on the sphere, + // as this will avoid emitting interleaving lines and polygons. + function multiplex(streams) { + var n = streams.length; + return { + point: function(x, y) { var i = -1; while (++i < n) streams[i].point(x, y); }, + sphere: function() { var i = -1; while (++i < n) streams[i].sphere(); }, + lineStart: function() { var i = -1; while (++i < n) streams[i].lineStart(); }, + lineEnd: function() { var i = -1; while (++i < n) streams[i].lineEnd(); }, + polygonStart: function() { var i = -1; while (++i < n) streams[i].polygonStart(); }, + polygonEnd: function() { var i = -1; while (++i < n) streams[i].polygonEnd(); } + }; + } + + // A composite projection for the United States, configured by default for + // 960×500. Also works quite well at 960×600 with scale 1285. The set of + // standard parallels for each region comes from USGS, which is published here: + // http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers + function albersUsa() { + var cache, + cacheStream, + lower48 = albers(), lower48Point, + alaska = conicEqualArea().rotate([154, 0]).center([-2, 58.5]).parallels([55, 65]), alaskaPoint, // EPSG:3338 + hawaii = conicEqualArea().rotate([157, 0]).center([-3, 19.9]).parallels([8, 18]), hawaiiPoint, // ESRI:102007 + point, pointStream = {point: function(x, y) { point = [x, y]; }}; + + function albersUsa(coordinates) { + var x = coordinates[0], y = coordinates[1]; + return point = null, + (lower48Point.point(x, y), point) + || (alaskaPoint.point(x, y), point) + || (hawaiiPoint.point(x, y), point); } - brush.x = function(z) { - if (!arguments.length) return x; - x = z; - resizes = d3_svg_brushResizes[!x << 1 | !y]; - return brush; - }; - brush.y = function(z) { - if (!arguments.length) return y; - y = z; - resizes = d3_svg_brushResizes[!x << 1 | !y]; - return brush; - }; - brush.clamp = function(z) { - if (!arguments.length) return x && y ? [ xClamp, yClamp ] : x ? xClamp : y ? yClamp : null; - if (x && y) xClamp = !!z[0], yClamp = !!z[1]; else if (x) xClamp = !!z; else if (y) yClamp = !!z; - return brush; - }; - brush.extent = function(z) { - var x0, x1, y0, y1, t; - if (!arguments.length) { - if (x) { - if (xExtentDomain) { - x0 = xExtentDomain[0], x1 = xExtentDomain[1]; - } else { - x0 = xExtent[0], x1 = xExtent[1]; - if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1); - if (x1 < x0) t = x0, x0 = x1, x1 = t; - } - } - if (y) { - if (yExtentDomain) { - y0 = yExtentDomain[0], y1 = yExtentDomain[1]; - } else { - y0 = yExtent[0], y1 = yExtent[1]; - if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1); - if (y1 < y0) t = y0, y0 = y1, y1 = t; - } - } - return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ]; - } - if (x) { - x0 = z[0], x1 = z[1]; - if (y) x0 = x0[0], x1 = x1[0]; - xExtentDomain = [ x0, x1 ]; - if (x.invert) x0 = x(x0), x1 = x(x1); - if (x1 < x0) t = x0, x0 = x1, x1 = t; - if (x0 != xExtent[0] || x1 != xExtent[1]) xExtent = [ x0, x1 ]; - } - if (y) { - y0 = z[0], y1 = z[1]; - if (x) y0 = y0[1], y1 = y1[1]; - yExtentDomain = [ y0, y1 ]; - if (y.invert) y0 = y(y0), y1 = y(y1); - if (y1 < y0) t = y0, y0 = y1, y1 = t; - if (y0 != yExtent[0] || y1 != yExtent[1]) yExtent = [ y0, y1 ]; - } - return brush; + + albersUsa.invert = function(coordinates) { + var k = lower48.scale(), + t = lower48.translate(), + x = (coordinates[0] - t[0]) / k, + y = (coordinates[1] - t[1]) / k; + return (y >= 0.120 && y < 0.234 && x >= -0.425 && x < -0.214 ? alaska + : y >= 0.166 && y < 0.234 && x >= -0.214 && x < -0.115 ? hawaii + : lower48).invert(coordinates); }; - brush.clear = function() { - if (!brush.empty()) { - xExtent = [ 0, 0 ], yExtent = [ 0, 0 ]; - xExtentDomain = yExtentDomain = null; - } - return brush; + + albersUsa.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = multiplex([lower48.stream(cacheStream = stream), alaska.stream(stream), hawaii.stream(stream)]); }; - brush.empty = function() { - return !!x && xExtent[0] == xExtent[1] || !!y && yExtent[0] == yExtent[1]; + + albersUsa.precision = function(_) { + if (!arguments.length) return lower48.precision(); + lower48.precision(_), alaska.precision(_), hawaii.precision(_); + return albersUsa; }; - return d3.rebind(brush, event, "on"); - }; - var d3_svg_brushCursor = { - n: "ns-resize", - e: "ew-resize", - s: "ns-resize", - w: "ew-resize", - nw: "nwse-resize", - ne: "nesw-resize", - se: "nwse-resize", - sw: "nesw-resize" - }; - var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ]; - var d3_time_format = d3_time.format = d3_locale_enUS.timeFormat; - var d3_time_formatUtc = d3_time_format.utc; - var d3_time_formatIso = d3_time_formatUtc("%Y-%m-%dT%H:%M:%S.%LZ"); - d3_time_format.iso = Date.prototype.toISOString && +new Date("2000-01-01T00:00:00.000Z") ? d3_time_formatIsoNative : d3_time_formatIso; - function d3_time_formatIsoNative(date) { - return date.toISOString(); + + albersUsa.scale = function(_) { + if (!arguments.length) return lower48.scale(); + lower48.scale(_), alaska.scale(_ * 0.35), hawaii.scale(_); + return albersUsa.translate(lower48.translate()); + }; + + albersUsa.translate = function(_) { + if (!arguments.length) return lower48.translate(); + var k = lower48.scale(), x = +_[0], y = +_[1]; + + lower48Point = lower48 + .translate(_) + .clipExtent([[x - 0.455 * k, y - 0.238 * k], [x + 0.455 * k, y + 0.238 * k]]) + .stream(pointStream); + + alaskaPoint = alaska + .translate([x - 0.307 * k, y + 0.201 * k]) + .clipExtent([[x - 0.425 * k + epsilon$4, y + 0.120 * k + epsilon$4], [x - 0.214 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) + .stream(pointStream); + + hawaiiPoint = hawaii + .translate([x - 0.205 * k, y + 0.212 * k]) + .clipExtent([[x - 0.214 * k + epsilon$4, y + 0.166 * k + epsilon$4], [x - 0.115 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) + .stream(pointStream); + + return albersUsa; + }; + + return albersUsa.scale(1070); } - d3_time_formatIsoNative.parse = function(string) { - var date = new Date(string); - return isNaN(date) ? null : date; - }; - d3_time_formatIsoNative.toString = d3_time_formatIso.toString; - d3_time.second = d3_time_interval(function(date) { - return new d3_date(Math.floor(date / 1e3) * 1e3); - }, function(date, offset) { - date.setTime(date.getTime() + Math.floor(offset) * 1e3); - }, function(date) { - return date.getSeconds(); + + function azimuthalRaw(scale) { + return function(x, y) { + var cx = cos$1(x), + cy = cos$1(y), + k = scale(cx * cy); + return [ + k * cy * sin$1(x), + k * sin$1(y) + ]; + } + } + + function azimuthalInvert(angle) { + return function(x, y) { + var z = sqrt$1(x * x + y * y), + c = angle(z), + sc = sin$1(c), + cc = cos$1(c); + return [ + atan2(x * sc, z * cc), + asin$1(z && y * sc / z) + ]; + } + } + + var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) { + return sqrt$1(2 / (1 + cxcy)); }); - d3_time.seconds = d3_time.second.range; - d3_time.seconds.utc = d3_time.second.utc.range; - d3_time.minute = d3_time_interval(function(date) { - return new d3_date(Math.floor(date / 6e4) * 6e4); - }, function(date, offset) { - date.setTime(date.getTime() + Math.floor(offset) * 6e4); - }, function(date) { - return date.getMinutes(); + + azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) { + return 2 * asin$1(z / 2); }); - d3_time.minutes = d3_time.minute.range; - d3_time.minutes.utc = d3_time.minute.utc.range; - d3_time.hour = d3_time_interval(function(date) { - var timezone = date.getTimezoneOffset() / 60; - return new d3_date((Math.floor(date / 36e5 - timezone) + timezone) * 36e5); - }, function(date, offset) { - date.setTime(date.getTime() + Math.floor(offset) * 36e5); - }, function(date) { - return date.getHours(); + + function azimuthalEqualArea() { + return projection(azimuthalEqualAreaRaw) + .scale(120) + .clipAngle(180 - 1e-3); + } + + var azimuthalEquidistantRaw = azimuthalRaw(function(c) { + return (c = acos(c)) && c / sin$1(c); }); - d3_time.hours = d3_time.hour.range; - d3_time.hours.utc = d3_time.hour.utc.range; - d3_time.month = d3_time_interval(function(date) { - date = d3_time.day(date); - date.setDate(1); - return date; - }, function(date, offset) { - date.setMonth(date.getMonth() + offset); - }, function(date) { - return date.getMonth(); + + azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) { + return z; }); - d3_time.months = d3_time.month.range; - d3_time.months.utc = d3_time.month.utc.range; - function d3_time_scale(linear, methods, format) { - function scale(x) { - return linear(x); - } - scale.invert = function(x) { - return d3_time_scaleDate(linear.invert(x)); - }; - scale.domain = function(x) { - if (!arguments.length) return linear.domain().map(d3_time_scaleDate); - linear.domain(x); - return scale; + + function azimuthalEquidistant() { + return projection(azimuthalEquidistantRaw) + .scale(480 / tau$4) + .clipAngle(180 - 1e-3); + } + + function mercatorRaw(lambda, phi) { + return [lambda, log$1(tan((halfPi$3 + phi) / 2))]; + } + + mercatorRaw.invert = function(x, y) { + return [x, 2 * atan(exp(y)) - halfPi$3]; + }; + + function mercator() { + return mercatorProjection(mercatorRaw); + } + + function mercatorProjection(project) { + var m = projection(project), + scale = m.scale, + translate = m.translate, + clipExtent = m.clipExtent, + clipAuto; + + m.scale = function(_) { + return arguments.length ? (scale(_), clipAuto && m.clipExtent(null), m) : scale(); }; - function tickMethod(extent, count) { - var span = extent[1] - extent[0], target = span / count, i = d3.bisect(d3_time_scaleSteps, target); - return i == d3_time_scaleSteps.length ? [ methods.year, d3_scale_linearTickRange(extent.map(function(d) { - return d / 31536e6; - }), count)[2] ] : !i ? [ d3_time_scaleMilliseconds, d3_scale_linearTickRange(extent, count)[2] ] : methods[target / d3_time_scaleSteps[i - 1] < d3_time_scaleSteps[i] / target ? i - 1 : i]; - } - scale.nice = function(interval, skip) { - var domain = scale.domain(), extent = d3_scaleExtent(domain), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" && tickMethod(extent, interval); - if (method) interval = method[0], skip = method[1]; - function skipped(date) { - return !isNaN(date) && !interval.range(date, d3_time_scaleDate(+date + 1), skip).length; - } - return scale.domain(d3_scale_nice(domain, skip > 1 ? { - floor: function(date) { - while (skipped(date = interval.floor(date))) date = d3_time_scaleDate(date - 1); - return date; - }, - ceil: function(date) { - while (skipped(date = interval.ceil(date))) date = d3_time_scaleDate(+date + 1); - return date; - } - } : interval)); + + m.translate = function(_) { + return arguments.length ? (translate(_), clipAuto && m.clipExtent(null), m) : translate(); }; - scale.ticks = function(interval, skip) { - var extent = d3_scaleExtent(scale.domain()), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" ? tickMethod(extent, interval) : !interval.range && [ { - range: interval - }, skip ]; - if (method) interval = method[0], skip = method[1]; - return interval.range(extent[0], d3_time_scaleDate(+extent[1] + 1), skip < 1 ? 1 : skip); + + m.clipExtent = function(_) { + if (!arguments.length) return clipAuto ? null : clipExtent(); + if (clipAuto = _ == null) { + var k = pi$4 * scale(), t = translate(); + _ = [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]]; + } + clipExtent(_); + return m; }; - scale.tickFormat = function() { - return format; + + return m.clipExtent(null).scale(961 / tau$4); + } + + function tany(y) { + return tan((halfPi$3 + y) / 2); + } + + function conicConformalRaw(y0, y1) { + var cy0 = cos$1(y0), + n = y0 === y1 ? sin$1(y0) : log$1(cy0 / cos$1(y1)) / log$1(tany(y1) / tany(y0)), + f = cy0 * pow$1(tany(y0), n) / n; + + if (!n) return mercatorRaw; + + function project(x, y) { + if (f > 0) { if (y < -halfPi$3 + epsilon$4) y = -halfPi$3 + epsilon$4; } + else { if (y > halfPi$3 - epsilon$4) y = halfPi$3 - epsilon$4; } + var r = f / pow$1(tany(y), n); + return [r * sin$1(n * x), f - r * cos$1(n * x)]; + } + + project.invert = function(x, y) { + var fy = f - y, r = sign$1(n) * sqrt$1(x * x + fy * fy); + return [atan2(x, fy) / n, 2 * atan(pow$1(f / r, 1 / n)) - halfPi$3]; }; - scale.copy = function() { - return d3_time_scale(linear.copy(), methods, format); + + return project; + } + + function conicConformal() { + return conicProjection(conicConformalRaw); + } + + function equirectangularRaw(lambda, phi) { + return [lambda, phi]; + } + + equirectangularRaw.invert = equirectangularRaw; + + function equirectangular() { + return projection(equirectangularRaw).scale(480 / pi$4); + } + + function conicEquidistantRaw(y0, y1) { + var cy0 = cos$1(y0), + n = y0 === y1 ? sin$1(y0) : (cy0 - cos$1(y1)) / (y1 - y0), + g = cy0 / n + y0; + + if (abs(n) < epsilon$4) return equirectangularRaw; + + function project(x, y) { + var gy = g - y, nx = n * x; + return [gy * sin$1(nx), g - gy * cos$1(nx)]; + } + + project.invert = function(x, y) { + var gy = g - y; + return [atan2(x, gy) / n, g - sign$1(n) * sqrt$1(x * x + gy * gy)]; }; - return d3_scale_linearRebind(scale, linear); + + return project; } - function d3_time_scaleDate(t) { - return new Date(t); + + function conicEquidistant() { + return conicProjection(conicEquidistantRaw) + .scale(128) + .translate([480, 280]); } - var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ]; - var d3_time_scaleLocalMethods = [ [ d3_time.second, 1 ], [ d3_time.second, 5 ], [ d3_time.second, 15 ], [ d3_time.second, 30 ], [ d3_time.minute, 1 ], [ d3_time.minute, 5 ], [ d3_time.minute, 15 ], [ d3_time.minute, 30 ], [ d3_time.hour, 1 ], [ d3_time.hour, 3 ], [ d3_time.hour, 6 ], [ d3_time.hour, 12 ], [ d3_time.day, 1 ], [ d3_time.day, 2 ], [ d3_time.week, 1 ], [ d3_time.month, 1 ], [ d3_time.month, 3 ], [ d3_time.year, 1 ] ]; - var d3_time_scaleLocalFormat = d3_time_format.multi([ [ ".%L", function(d) { - return d.getMilliseconds(); - } ], [ ":%S", function(d) { - return d.getSeconds(); - } ], [ "%I:%M", function(d) { - return d.getMinutes(); - } ], [ "%I %p", function(d) { - return d.getHours(); - } ], [ "%a %d", function(d) { - return d.getDay() && d.getDate() != 1; - } ], [ "%b %d", function(d) { - return d.getDate() != 1; - } ], [ "%B", function(d) { - return d.getMonth(); - } ], [ "%Y", d3_true ] ]); - var d3_time_scaleMilliseconds = { - range: function(start, stop, step) { - return d3.range(Math.ceil(start / step) * step, +stop, step).map(d3_time_scaleDate); - }, - floor: d3_identity, - ceil: d3_identity - }; - d3_time_scaleLocalMethods.year = d3_time.year; - d3_time.scale = function() { - return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat); - }; - var d3_time_scaleUtcMethods = d3_time_scaleLocalMethods.map(function(m) { - return [ m[0].utc, m[1] ]; - }); - var d3_time_scaleUtcFormat = d3_time_formatUtc.multi([ [ ".%L", function(d) { - return d.getUTCMilliseconds(); - } ], [ ":%S", function(d) { - return d.getUTCSeconds(); - } ], [ "%I:%M", function(d) { - return d.getUTCMinutes(); - } ], [ "%I %p", function(d) { - return d.getUTCHours(); - } ], [ "%a %d", function(d) { - return d.getUTCDay() && d.getUTCDate() != 1; - } ], [ "%b %d", function(d) { - return d.getUTCDate() != 1; - } ], [ "%B", function(d) { - return d.getUTCMonth(); - } ], [ "%Y", d3_true ] ]); - d3_time_scaleUtcMethods.year = d3_time.year.utc; - d3_time.scale.utc = function() { - return d3_time_scale(d3.scale.linear(), d3_time_scaleUtcMethods, d3_time_scaleUtcFormat); - }; - d3.text = d3_xhrType(function(request) { - return request.responseText; + + function gnomonicRaw(x, y) { + var cy = cos$1(y), k = cos$1(x) * cy; + return [cy * sin$1(x) / k, sin$1(y) / k]; + } + + gnomonicRaw.invert = azimuthalInvert(atan); + + function gnomonic() { + return projection(gnomonicRaw) + .scale(139) + .clipAngle(60); + } + + function orthographicRaw(x, y) { + return [cos$1(y) * sin$1(x), sin$1(y)]; + } + + orthographicRaw.invert = azimuthalInvert(asin$1); + + function orthographic() { + return projection(orthographicRaw) + .scale(240) + .clipAngle(90 + epsilon$4); + } + + function stereographicRaw(x, y) { + var cy = cos$1(y), k = 1 + cos$1(x) * cy; + return [cy * sin$1(x) / k, sin$1(y) / k]; + } + + stereographicRaw.invert = azimuthalInvert(function(z) { + return 2 + atan(z); }); - d3.json = function(url, callback) { - return d3_xhr(url, "application/json", d3_json, callback); - }; - function d3_json(request) { - return JSON.parse(request.responseText); + + function stereographic() { + return projection(stereographicRaw) + .scale(240) + .clipAngle(142); + } + + function transverseMercatorRaw(lambda, phi) { + return [log$1(tan((halfPi$3 + phi) / 2)), -lambda]; } - d3.html = function(url, callback) { - return d3_xhr(url, "text/html", d3_html, callback); + + transverseMercatorRaw.invert = function(x, y) { + return [-y, 2 * atan(exp(x)) - halfPi$3]; }; - function d3_html(request) { - var range = d3_document.createRange(); - range.selectNode(d3_document.body); - return range.createContextualFragment(request.responseText); + + function transverseMercator() { + var m = mercatorProjection(transverseMercatorRaw), + center = m.center, + rotate = m.rotate; + + m.center = function(_) { + return arguments.length ? center([-_[1], _[0]]) : (_ = center(), [_[1], -_[0]]); + }; + + m.rotate = function(_) { + return arguments.length ? rotate([_[0], _[1], _.length > 2 ? _[2] + 90 : 90]) : (_ = rotate(), [_[0], _[1], _[2] - 90]); + }; + + return rotate([0, 0, 90]); } - d3.xml = d3_xhrType(function(request) { - return request.responseXML; - }); - if (typeof define === "function" && define.amd) this.d3 = d3, define(d3); else if (typeof module === "object" && module.exports) module.exports = d3; else this.d3 = d3; -}(); \ No newline at end of file + + exports.version = version; + exports.bisect = bisectRight; + exports.bisectRight = bisectRight; + exports.bisectLeft = bisectLeft; + exports.ascending = ascending; + exports.bisector = bisector; + exports.descending = descending; + exports.deviation = deviation; + exports.extent = extent; + exports.histogram = histogram; + exports.thresholdFreedmanDiaconis = freedmanDiaconis; + exports.thresholdScott = scott; + exports.thresholdSturges = sturges; + exports.max = max; + exports.mean = mean; + exports.median = median; + exports.merge = merge; + exports.min = min; + exports.pairs = pairs; + exports.permute = permute; + exports.quantile = threshold; + exports.range = range; + exports.scan = scan; + exports.shuffle = shuffle; + exports.sum = sum; + exports.ticks = ticks; + exports.tickStep = tickStep; + exports.transpose = transpose; + exports.variance = variance; + exports.zip = zip; + exports.entries = entries; + exports.keys = keys; + exports.values = values; + exports.map = map$1; + exports.set = set; + exports.nest = nest; + exports.randomUniform = uniform; + exports.randomNormal = normal; + exports.randomLogNormal = logNormal; + exports.randomBates = bates; + exports.randomIrwinHall = irwinHall; + exports.randomExponential = exponential; + exports.easeLinear = linear; + exports.easeQuad = quadInOut; + exports.easeQuadIn = quadIn; + exports.easeQuadOut = quadOut; + exports.easeQuadInOut = quadInOut; + exports.easeCubic = easeCubicInOut; + exports.easeCubicIn = cubicIn; + exports.easeCubicOut = cubicOut; + exports.easeCubicInOut = easeCubicInOut; + exports.easePoly = polyInOut; + exports.easePolyIn = polyIn; + exports.easePolyOut = polyOut; + exports.easePolyInOut = polyInOut; + exports.easeSin = sinInOut; + exports.easeSinIn = sinIn; + exports.easeSinOut = sinOut; + exports.easeSinInOut = sinInOut; + exports.easeExp = expInOut; + exports.easeExpIn = expIn; + exports.easeExpOut = expOut; + exports.easeExpInOut = expInOut; + exports.easeCircle = circleInOut; + exports.easeCircleIn = circleIn; + exports.easeCircleOut = circleOut; + exports.easeCircleInOut = circleInOut; + exports.easeBounce = bounceOut; + exports.easeBounceIn = bounceIn; + exports.easeBounceOut = bounceOut; + exports.easeBounceInOut = bounceInOut; + exports.easeBack = backInOut; + exports.easeBackIn = backIn; + exports.easeBackOut = backOut; + exports.easeBackInOut = backInOut; + exports.easeElastic = elasticOut; + exports.easeElasticIn = elasticIn; + exports.easeElasticOut = elasticOut; + exports.easeElasticInOut = elasticInOut; + exports.polygonArea = area; + exports.polygonCentroid = centroid; + exports.polygonHull = hull; + exports.polygonContains = contains; + exports.polygonLength = length$1; + exports.path = path; + exports.quadtree = quadtree; + exports.queue = queue; + exports.arc = arc; + exports.area = area$1; + exports.line = line; + exports.pie = pie; + exports.radialArea = radialArea; + exports.radialLine = radialLine$1; + exports.symbol = symbol; + exports.symbols = symbols; + exports.symbolCircle = circle; + exports.symbolCross = cross$1; + exports.symbolDiamond = diamond; + exports.symbolSquare = square; + exports.symbolStar = star; + exports.symbolTriangle = triangle; + exports.symbolWye = wye; + exports.curveBasisClosed = basisClosed; + exports.curveBasisOpen = basisOpen; + exports.curveBasis = basis; + exports.curveBundle = bundle; + exports.curveCardinalClosed = cardinalClosed; + exports.curveCardinalOpen = cardinalOpen; + exports.curveCardinal = cardinal; + exports.curveCatmullRomClosed = catmullRomClosed; + exports.curveCatmullRomOpen = catmullRomOpen; + exports.curveCatmullRom = catmullRom; + exports.curveLinearClosed = linearClosed; + exports.curveLinear = curveLinear; + exports.curveMonotoneX = monotoneX; + exports.curveMonotoneY = monotoneY; + exports.curveNatural = natural; + exports.curveStep = step; + exports.curveStepAfter = stepAfter; + exports.curveStepBefore = stepBefore; + exports.stack = stack; + exports.stackOffsetExpand = expand; + exports.stackOffsetNone = none; + exports.stackOffsetSilhouette = silhouette; + exports.stackOffsetWiggle = wiggle; + exports.stackOrderAscending = ascending$1; + exports.stackOrderDescending = descending$2; + exports.stackOrderInsideOut = insideOut; + exports.stackOrderNone = none$1; + exports.stackOrderReverse = reverse; + exports.color = color; + exports.rgb = colorRgb; + exports.hsl = colorHsl; + exports.lab = lab; + exports.hcl = colorHcl; + exports.cubehelix = cubehelix; + exports.interpolate = interpolate; + exports.interpolateArray = array$1; + exports.interpolateDate = date; + exports.interpolateNumber = interpolateNumber; + exports.interpolateObject = object; + exports.interpolateRound = interpolateRound; + exports.interpolateString = interpolateString; + exports.interpolateTransformCss = interpolateTransform$1; + exports.interpolateTransformSvg = interpolateTransform$2; + exports.interpolateZoom = interpolateZoom; + exports.interpolateRgb = interpolateRgb; + exports.interpolateRgbBasis = rgbBasis; + exports.interpolateRgbBasisClosed = rgbBasisClosed; + exports.interpolateHsl = hsl$1; + exports.interpolateHslLong = hslLong; + exports.interpolateLab = lab$1; + exports.interpolateHcl = hcl$1; + exports.interpolateHclLong = hclLong; + exports.interpolateCubehelix = cubehelix$2; + exports.interpolateCubehelixLong = interpolateCubehelixLong; + exports.interpolateBasis = basis$2; + exports.interpolateBasisClosed = basisClosed$1; + exports.quantize = quantize; + exports.dispatch = dispatch; + exports.dsvFormat = dsv; + exports.csvParse = csvParse; + exports.csvParseRows = csvParseRows; + exports.csvFormat = csvFormat; + exports.csvFormatRows = csvFormatRows; + exports.tsvParse = tsvParse; + exports.tsvParseRows = tsvParseRows; + exports.tsvFormat = tsvFormat; + exports.tsvFormatRows = tsvFormatRows; + exports.request = request; + exports.html = html; + exports.json = json; + exports.text = text; + exports.xml = xml; + exports.csv = csv$1; + exports.tsv = tsv$1; + exports.now = now; + exports.timer = timer; + exports.timerFlush = timerFlush; + exports.timeout = timeout$1; + exports.interval = interval$1; + exports.timeInterval = newInterval; + exports.timeMillisecond = millisecond; + exports.timeMilliseconds = milliseconds; + exports.timeSecond = second; + exports.timeSeconds = seconds; + exports.timeMinute = minute; + exports.timeMinutes = minutes; + exports.timeHour = hour; + exports.timeHours = hours; + exports.timeDay = day; + exports.timeDays = days; + exports.timeWeek = timeWeek; + exports.timeWeeks = sundays; + exports.timeSunday = timeWeek; + exports.timeSundays = sundays; + exports.timeMonday = timeMonday; + exports.timeMondays = mondays; + exports.timeTuesday = tuesday; + exports.timeTuesdays = tuesdays; + exports.timeWednesday = wednesday; + exports.timeWednesdays = wednesdays; + exports.timeThursday = thursday; + exports.timeThursdays = thursdays; + exports.timeFriday = friday; + exports.timeFridays = fridays; + exports.timeSaturday = saturday; + exports.timeSaturdays = saturdays; + exports.timeMonth = month; + exports.timeMonths = months; + exports.timeYear = year; + exports.timeYears = years; + exports.utcMillisecond = millisecond; + exports.utcMilliseconds = milliseconds; + exports.utcSecond = second; + exports.utcSeconds = seconds; + exports.utcMinute = utcMinute; + exports.utcMinutes = utcMinutes; + exports.utcHour = utcHour; + exports.utcHours = utcHours; + exports.utcDay = utcDay; + exports.utcDays = utcDays; + exports.utcWeek = utcWeek; + exports.utcWeeks = utcSundays; + exports.utcSunday = utcWeek; + exports.utcSundays = utcSundays; + exports.utcMonday = utcMonday; + exports.utcMondays = utcMondays; + exports.utcTuesday = utcTuesday; + exports.utcTuesdays = utcTuesdays; + exports.utcWednesday = utcWednesday; + exports.utcWednesdays = utcWednesdays; + exports.utcThursday = utcThursday; + exports.utcThursdays = utcThursdays; + exports.utcFriday = utcFriday; + exports.utcFridays = utcFridays; + exports.utcSaturday = utcSaturday; + exports.utcSaturdays = utcSaturdays; + exports.utcMonth = utcMonth; + exports.utcMonths = utcMonths; + exports.utcYear = utcYear; + exports.utcYears = utcYears; + exports.formatLocale = formatLocale; + exports.formatDefaultLocale = defaultLocale; + exports.formatSpecifier = formatSpecifier; + exports.precisionFixed = precisionFixed; + exports.precisionPrefix = precisionPrefix; + exports.precisionRound = precisionRound; + exports.isoFormat = formatIso; + exports.isoParse = parseIso; + exports.timeFormatLocale = formatLocale$1; + exports.timeFormatDefaultLocale = defaultLocale$1; + exports.scaleBand = band; + exports.scalePoint = point$4; + exports.scaleIdentity = identity$4; + exports.scaleLinear = linear$2; + exports.scaleLog = log; + exports.scaleOrdinal = ordinal; + exports.scaleImplicit = implicit; + exports.scalePow = pow; + exports.scaleSqrt = sqrt; + exports.scaleQuantile = quantile; + exports.scaleQuantize = quantize$1; + exports.scaleThreshold = threshold$1; + exports.scaleTime = time; + exports.scaleUtc = utcTime; + exports.schemeCategory10 = category10; + exports.schemeCategory20b = category20b; + exports.schemeCategory20c = category20c; + exports.schemeCategory20 = category20; + exports.scaleSequential = sequential; + exports.interpolateCubehelixDefault = cubehelix$3; + exports.interpolateRainbow = rainbow$1; + exports.interpolateWarm = warm; + exports.interpolateCool = cool; + exports.interpolateViridis = viridis; + exports.interpolateMagma = magma; + exports.interpolateInferno = inferno; + exports.interpolatePlasma = plasma; + exports.creator = creator; + exports.customEvent = customEvent; + exports.local = local; + exports.matcher = matcher$1; + exports.mouse = mouse; + exports.namespace = namespace; + exports.namespaces = namespaces; + exports.select = select; + exports.selectAll = selectAll; + exports.selection = selection; + exports.selector = selector; + exports.selectorAll = selectorAll; + exports.touch = touch; + exports.touches = touches; + exports.window = window; + exports.active = active; + exports.interrupt = interrupt; + exports.transition = transition; + exports.axisTop = axisTop; + exports.axisRight = axisRight; + exports.axisBottom = axisBottom; + exports.axisLeft = axisLeft; + exports.cluster = cluster; + exports.hierarchy = hierarchy; + exports.pack = index; + exports.packSiblings = siblings; + exports.packEnclose = enclose; + exports.partition = partition; + exports.stratify = stratify; + exports.tree = tree; + exports.treemap = index$1; + exports.treemapBinary = binary; + exports.treemapDice = treemapDice; + exports.treemapSlice = treemapSlice; + exports.treemapSliceDice = sliceDice; + exports.treemapSquarify = squarify; + exports.treemapResquarify = resquarify; + exports.forceCenter = center$1; + exports.forceCollide = collide; + exports.forceLink = link; + exports.forceManyBody = manyBody; + exports.forceSimulation = simulation; + exports.forceX = x$3; + exports.forceY = y$3; + exports.drag = drag; + exports.dragDisable = dragDisable; + exports.dragEnable = dragEnable; + exports.voronoi = voronoi; + exports.zoom = zoom; + exports.zoomIdentity = identity$6; + exports.zoomTransform = transform; + exports.brush = brush; + exports.brushX = brushX; + exports.brushY = brushY; + exports.brushSelection = brushSelection; + exports.chord = chord; + exports.ribbon = ribbon; + exports.geoAlbers = albers; + exports.geoAlbersUsa = albersUsa; + exports.geoArea = area$2; + exports.geoAzimuthalEqualArea = azimuthalEqualArea; + exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw; + exports.geoAzimuthalEquidistant = azimuthalEquidistant; + exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; + exports.geoBounds = bounds; + exports.geoCentroid = centroid$1; + exports.geoCircle = circle$1; + exports.geoClipExtent = extent$1; + exports.geoConicConformal = conicConformal; + exports.geoConicConformalRaw = conicConformalRaw; + exports.geoConicEqualArea = conicEqualArea; + exports.geoConicEqualAreaRaw = conicEqualAreaRaw; + exports.geoConicEquidistant = conicEquidistant; + exports.geoConicEquidistantRaw = conicEquidistantRaw; + exports.geoDistance = distance; + exports.geoEquirectangular = equirectangular; + exports.geoEquirectangularRaw = equirectangularRaw; + exports.geoGnomonic = gnomonic; + exports.geoGnomonicRaw = gnomonicRaw; + exports.geoGraticule = graticule; + exports.geoInterpolate = interpolate$2; + exports.geoLength = length$2; + exports.geoMercator = mercator; + exports.geoMercatorRaw = mercatorRaw; + exports.geoOrthographic = orthographic; + exports.geoOrthographicRaw = orthographicRaw; + exports.geoPath = index$3; + exports.geoProjection = projection; + exports.geoProjectionMutator = projectionMutator; + exports.geoRotation = rotation; + exports.geoStereographic = stereographic; + exports.geoStereographicRaw = stereographicRaw; + exports.geoStream = stream; + exports.geoTransform = transform$1; + exports.geoTransverseMercator = transverseMercator; + exports.geoTransverseMercatorRaw = transverseMercatorRaw; + + Object.defineProperty(exports, '__esModule', { value: true }); + +})); \ No newline at end of file diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index 1664873..46a2659 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,5 +1,8 @@ -!function(){function n(n){return n&&(n.ownerDocument||n.document||n).documentElement}function t(n){return n&&(n.ownerDocument&&n.ownerDocument.defaultView||n.document&&n||n.defaultView)}function e(n,t){return t>n?-1:n>t?1:n>=t?0:NaN}function r(n){return null===n?NaN:+n}function i(n){return!isNaN(n)}function 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e=Math.sqrt(n/yv);t.moveTo(e,0),t.arc(0,0,e,0,mv)}},wv={draw:function(t,n){var e=Math.sqrt(n/5)/2;t.moveTo(-3*e,-e),t.lineTo(-e,-e),t.lineTo(-e,-3*e),t.lineTo(e,-3*e),t.lineTo(e,-e),t.lineTo(3*e,-e),t.lineTo(3*e,e),t.lineTo(e,e),t.lineTo(e,3*e),t.lineTo(-e,3*e),t.lineTo(-e,e),t.lineTo(-3*e,e),t.closePath()}},Mv=Math.sqrt(1/3),Tv=2*Mv,kv={draw:function(t,n){var e=Math.sqrt(n/Tv),r=e*Mv;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},Nv=.8908130915292852,Sv=Math.sin(yv/10)/Math.sin(7*yv/10),Av=Math.sin(mv/10)*Sv,Ev=-Math.cos(mv/10)*Sv,Cv={draw:function(t,n){var e=Math.sqrt(n*Nv),r=Av*e,i=Ev*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var u=mv*o/5,a=Math.cos(u),c=Math.sin(u);t.lineTo(c*e,-a*e),t.lineTo(a*r-c*i,c*r+a*i)}t.closePath()}},zv={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},Pv=Math.sqrt(3),qv={draw:function(t,n){var e=-Math.sqrt(n/(3*Pv));t.moveTo(0,2*e),t.lineTo(-Pv*e,-e),t.lineTo(Pv*e,-e),t.closePath()}},Lv=-.5,Rv=Math.sqrt(3)/2,Uv=1/Math.sqrt(12),Dv=3*(Uv/2+1),Ov={draw:function(t,n){var e=Math.sqrt(n/Dv),r=e/2,i=e*Uv,o=r,u=e*Uv+e,a=-o,c=u;t.moveTo(r,i),t.lineTo(o,u),t.lineTo(a,c),t.lineTo(Lv*r-Rv*i,Rv*r+Lv*i),t.lineTo(Lv*o-Rv*u,Rv*o+Lv*u),t.lineTo(Lv*a-Rv*c,Rv*a+Lv*c),t.lineTo(Lv*r+Rv*i,Lv*i-Rv*r),t.lineTo(Lv*o+Rv*u,Lv*u-Rv*o),t.lineTo(Lv*a+Rv*c,Lv*c-Rv*a),t.closePath()}},Fv=[bv,wv,kv,zv,Cv,qv,Ov];Sn.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Nn(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Nn(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},En.prototype={areaStart:kn,areaEnd:kn,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Nn(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},zn.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Nn(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},qn.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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t?new Yn(n,t):new Dn(n,0)}return n.alpha=function(t){return Cw(+t)},n}(.5);Bn.prototype={areaStart:kn,areaEnd:kn,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}},$n.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:Wn(this,this._t0,Vn(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 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\ No newline at end of file diff --git a/app/assets/javascripts/d3.v4.js b/app/assets/javascripts/d3.v4.js new file mode 100644 index 0000000..cbba731 --- /dev/null +++ b/app/assets/javascripts/d3.v4.js @@ -0,0 +1,16187 @@ +// https://d3js.org Version 4.1.0. Copyright 2016 Mike Bostock. +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : + typeof define === 'function' && define.amd ? define(['exports'], factory) : + (factory((global.d3 = global.d3 || {}))); +}(this, function (exports) { 'use strict'; + + var version = "4.1.0"; + + function ascending(a, b) { + return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; + } + + function bisector(compare) { + if (compare.length === 1) compare = ascendingComparator(compare); + return { + left: function(a, x, lo, hi) { + if (lo == null) lo = 0; + if (hi == null) hi = a.length; + while (lo < hi) { + var mid = lo + hi >>> 1; + if (compare(a[mid], x) < 0) lo = mid + 1; + else hi = mid; + } + return lo; + }, + right: function(a, x, lo, hi) { + if (lo == null) lo = 0; + if (hi == null) hi = a.length; + while (lo < hi) { + var mid = lo + hi >>> 1; + if (compare(a[mid], x) > 0) hi = mid; + else lo = mid + 1; + } + return lo; + } + }; + } + + function ascendingComparator(f) { + return function(d, x) { + return ascending(f(d), x); + }; + } + + var ascendingBisect = bisector(ascending); + var bisectRight = ascendingBisect.right; + var bisectLeft = ascendingBisect.left; + + function descending(a, b) { + return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; + } + + function number(x) { + return x === null ? NaN : +x; + } + + function variance(array, f) { + var n = array.length, + m = 0, + a, + d, + s = 0, + i = -1, + j = 0; + + if (f == null) { + while (++i < n) { + if (!isNaN(a = number(array[i]))) { + d = a - m; + m += d / ++j; + s += d * (a - m); + } + } + } + + else { + while (++i < n) { + if (!isNaN(a = number(f(array[i], i, array)))) { + d = a - m; + m += d / ++j; + s += d * (a - m); + } + } + } + + if (j > 1) return s / (j - 1); + } + + function deviation(array, f) { + var v = variance(array, f); + return v ? Math.sqrt(v) : v; + } + + function extent(array, f) { + var i = -1, + n = array.length, + a, + b, + c; + + if (f == null) { + while (++i < n) if ((b = array[i]) != null && b >= b) { a = c = b; break; } + while (++i < n) if ((b = array[i]) != null) { + if (a > b) a = b; + if (c < b) c = b; + } + } + + else { + while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = c = b; break; } + while (++i < n) if ((b = f(array[i], i, array)) != null) { + if (a > b) a = b; + if (c < b) c = b; + } + } + + return [a, c]; + } + + var array = Array.prototype; + + var slice = array.slice; + var map = array.map; + + function constant(x) { + return function() { + return x; + }; + } + + function identity(x) { + return x; + } + + function range(start, stop, step) { + start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; + + var i = -1, + n = Math.max(0, Math.ceil((stop - start) / step)) | 0, + range = new Array(n); + + while (++i < n) { + range[i] = start + i * step; + } + + return range; + } + + var e10 = Math.sqrt(50); + var e5 = Math.sqrt(10); + var e2 = Math.sqrt(2); + function ticks(start, stop, count) { + var step = tickStep(start, stop, count); + return range( + Math.ceil(start / step) * step, + Math.floor(stop / step) * step + step / 2, // inclusive + step + ); + } + + function tickStep(start, stop, count) { + var step0 = Math.abs(stop - start) / Math.max(0, count), + step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)), + error = step0 / step1; + if (error >= e10) step1 *= 10; + else if (error >= e5) step1 *= 5; + else if (error >= e2) step1 *= 2; + return stop < start ? -step1 : step1; + } + + function sturges(values) { + return Math.ceil(Math.log(values.length) / Math.LN2) + 1; + } + + function histogram() { + var value = identity, + domain = extent, + threshold = sturges; + + function histogram(data) { + var i, + n = data.length, + x, + values = new Array(n); + + for (i = 0; i < n; ++i) { + values[i] = value(data[i], i, data); + } + + var xz = domain(values), + x0 = xz[0], + x1 = xz[1], + tz = threshold(values, x0, x1); + + // Convert number of thresholds into uniform thresholds. + if (!Array.isArray(tz)) tz = ticks(x0, x1, tz); + + // Remove any thresholds outside the domain. + var m = tz.length; + while (tz[0] <= x0) tz.shift(), --m; + while (tz[m - 1] >= x1) tz.pop(), --m; + + var bins = new Array(m + 1), + bin; + + // Initialize bins. + for (i = 0; i <= m; ++i) { + bin = bins[i] = []; + bin.x0 = i > 0 ? tz[i - 1] : x0; + bin.x1 = i < m ? tz[i] : x1; + } + + // Assign data to bins by value, ignoring any outside the domain. + for (i = 0; i < n; ++i) { + x = values[i]; + if (x0 <= x && x <= x1) { + bins[bisectRight(tz, x, 0, m)].push(data[i]); + } + } + + return bins; + } + + histogram.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant(_), histogram) : value; + }; + + histogram.domain = function(_) { + return arguments.length ? (domain = typeof _ === "function" ? _ : constant([_[0], _[1]]), histogram) : domain; + }; + + histogram.thresholds = function(_) { + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), histogram) : threshold; + }; + + return histogram; + } + + function threshold(array, p, f) { + if (f == null) f = number; + if (!(n = array.length)) return; + if ((p = +p) <= 0 || n < 2) return +f(array[0], 0, array); + if (p >= 1) return +f(array[n - 1], n - 1, array); + var n, + h = (n - 1) * p, + i = Math.floor(h), + a = +f(array[i], i, array), + b = +f(array[i + 1], i + 1, array); + return a + (b - a) * (h - i); + } + + function freedmanDiaconis(values, min, max) { + values = map.call(values, number).sort(ascending); + return Math.ceil((max - min) / (2 * (threshold(values, 0.75) - threshold(values, 0.25)) * Math.pow(values.length, -1 / 3))); + } + + function scott(values, min, max) { + return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3))); + } + + function max(array, f) { + var i = -1, + n = array.length, + a, + b; + + if (f == null) { + while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } + while (++i < n) if ((b = array[i]) != null && b > a) a = b; + } + + else { + while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } + while (++i < n) if ((b = f(array[i], i, array)) != null && b > a) a = b; + } + + return a; + } + + function mean(array, f) { + var s = 0, + n = array.length, + a, + i = -1, + j = n; + + if (f == null) { + while (++i < n) if (!isNaN(a = number(array[i]))) s += a; else --j; + } + + else { + while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) s += a; else --j; + } + + if (j) return s / j; + } + + function median(array, f) { + var numbers = [], + n = array.length, + a, + i = -1; + + if (f == null) { + while (++i < n) if (!isNaN(a = number(array[i]))) numbers.push(a); + } + + else { + while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) numbers.push(a); + } + + return threshold(numbers.sort(ascending), 0.5); + } + + function merge(arrays) { + var n = arrays.length, + m, + i = -1, + j = 0, + merged, + array; + + while (++i < n) j += arrays[i].length; + merged = new Array(j); + + while (--n >= 0) { + array = arrays[n]; + m = array.length; + while (--m >= 0) { + merged[--j] = array[m]; + } + } + + return merged; + } + + function min(array, f) { + var i = -1, + n = array.length, + a, + b; + + if (f == null) { + while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } + while (++i < n) if ((b = array[i]) != null && a > b) a = b; + } + + else { + while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } + while (++i < n) if ((b = f(array[i], i, array)) != null && a > b) a = b; + } + + return a; + } + + function pairs(array) { + var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n); + while (i < n) pairs[i] = [p, p = array[++i]]; + return pairs; + } + + function permute(array, indexes) { + var i = indexes.length, permutes = new Array(i); + while (i--) permutes[i] = array[indexes[i]]; + return permutes; + } + + function scan(array, compare) { + if (!(n = array.length)) return; + var i = 0, + n, + j = 0, + xi, + xj = array[j]; + + if (!compare) compare = ascending; + + while (++i < n) if (compare(xi = array[i], xj) < 0 || compare(xj, xj) !== 0) xj = xi, j = i; + + if (compare(xj, xj) === 0) return j; + } + + function shuffle(array, i0, i1) { + var m = (i1 == null ? array.length : i1) - (i0 = i0 == null ? 0 : +i0), + t, + i; + + while (m) { + i = Math.random() * m-- | 0; + t = array[m + i0]; + array[m + i0] = array[i + i0]; + array[i + i0] = t; + } + + return array; + } + + function sum(array, f) { + var s = 0, + n = array.length, + a, + i = -1; + + if (f == null) { + while (++i < n) if (a = +array[i]) s += a; // Note: zero and null are equivalent. + } + + else { + while (++i < n) if (a = +f(array[i], i, array)) s += a; + } + + return s; + } + + function transpose(matrix) { + if (!(n = matrix.length)) return []; + for (var i = -1, m = min(matrix, length), transpose = new Array(m); ++i < m;) { + for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n;) { + row[j] = matrix[j][i]; + } + } + return transpose; + } + + function length(d) { + return d.length; + } + + function zip() { + return transpose(arguments); + } + + var prefix = "$"; + + function Map() {} + + Map.prototype = map$1.prototype = { + constructor: Map, + has: function(key) { + return (prefix + key) in this; + }, + get: function(key) { + return this[prefix + key]; + }, + set: function(key, value) { + this[prefix + key] = value; + return this; + }, + remove: function(key) { + var property = prefix + key; + return property in this && delete this[property]; + }, + clear: function() { + for (var property in this) if (property[0] === prefix) delete this[property]; + }, + keys: function() { + var keys = []; + for (var property in this) if (property[0] === prefix) keys.push(property.slice(1)); + return keys; + }, + values: function() { + var values = []; + for (var property in this) if (property[0] === prefix) values.push(this[property]); + return values; + }, + entries: function() { + var entries = []; + for (var property in this) if (property[0] === prefix) entries.push({key: property.slice(1), value: this[property]}); + return entries; + }, + size: function() { + var size = 0; + for (var property in this) if (property[0] === prefix) ++size; + return size; + }, + empty: function() { + for (var property in this) if (property[0] === prefix) return false; + return true; + }, + each: function(f) { + for (var property in this) if (property[0] === prefix) f(this[property], property.slice(1), this); + } + }; + + function map$1(object, f) { + var map = new Map; + + // Copy constructor. + if (object instanceof Map) object.each(function(value, key) { map.set(key, value); }); + + // Index array by numeric index or specified key function. + else if (Array.isArray(object)) { + var i = -1, + n = object.length, + o; + + if (f == null) while (++i < n) map.set(i, object[i]); + else while (++i < n) map.set(f(o = object[i], i, object), o); + } + + // Convert object to map. + else if (object) for (var key in object) map.set(key, object[key]); + + return map; + } + + function nest() { + var keys = [], + sortKeys = [], + sortValues, + rollup, + nest; + + function apply(array, depth, createResult, setResult) { + if (depth >= keys.length) return rollup != null + ? rollup(array) : (sortValues != null + ? array.sort(sortValues) + : array); + + var i = -1, + n = array.length, + key = keys[depth++], + keyValue, + value, + valuesByKey = map$1(), + values, + result = createResult(); + + while (++i < n) { + if (values = valuesByKey.get(keyValue = key(value = array[i]) + "")) { + values.push(value); + } else { + valuesByKey.set(keyValue, [value]); + } + } + + valuesByKey.each(function(values, key) { + setResult(result, key, apply(values, depth, createResult, setResult)); + }); + + return result; + } + + function entries(map, depth) { + if (++depth > keys.length) return map; + var array, sortKey = sortKeys[depth - 1]; + if (rollup != null && depth >= keys.length) array = map.entries(); + else array = [], map.each(function(v, k) { array.push({key: k, values: entries(v, depth)}); }); + return sortKey != null ? array.sort(function(a, b) { return sortKey(a.key, b.key); }) : array; + } + + return nest = { + object: function(array) { return apply(array, 0, createObject, setObject); }, + map: function(array) { return apply(array, 0, createMap, setMap); }, + entries: function(array) { return entries(apply(array, 0, createMap, setMap), 0); }, + key: function(d) { keys.push(d); return nest; }, + sortKeys: function(order) { sortKeys[keys.length - 1] = order; return nest; }, + sortValues: function(order) { sortValues = order; return nest; }, + rollup: function(f) { rollup = f; return nest; } + }; + } + + function createObject() { + return {}; + } + + function setObject(object, key, value) { + object[key] = value; + } + + function createMap() { + return map$1(); + } + + function setMap(map, key, value) { + map.set(key, value); + } + + function Set() {} + + var proto = map$1.prototype; + + Set.prototype = set.prototype = { + constructor: Set, + has: proto.has, + add: function(value) { + value += ""; + this[prefix + value] = value; + return this; + }, + remove: proto.remove, + clear: proto.clear, + values: proto.keys, + size: proto.size, + empty: proto.empty, + each: proto.each + }; + + function set(object, f) { + var set = new Set; + + // Copy constructor. + if (object instanceof Set) object.each(function(value) { set.add(value); }); + + // Otherwise, assume it’s an array. + else if (object) { + var i = -1, n = object.length; + if (f == null) while (++i < n) set.add(object[i]); + else while (++i < n) set.add(f(object[i], i, object)); + } + + return set; + } + + function keys(map) { + var keys = []; + for (var key in map) keys.push(key); + return keys; + } + + function values(map) { + var values = []; + for (var key in map) values.push(map[key]); + return values; + } + + function entries(map) { + var entries = []; + for (var key in map) entries.push({key: key, value: map[key]}); + return entries; + } + + function uniform(min, max) { + min = min == null ? 0 : +min; + max = max == null ? 1 : +max; + if (arguments.length === 1) max = min, min = 0; + else max -= min; + return function() { + return Math.random() * max + min; + }; + } + + function normal(mu, sigma) { + var x, r; + mu = mu == null ? 0 : +mu; + sigma = sigma == null ? 1 : +sigma; + return function() { + var y; + + // If available, use the second previously-generated uniform random. + if (x != null) y = x, x = null; + + // Otherwise, generate a new x and y. + else do { + x = Math.random() * 2 - 1; + y = Math.random() * 2 - 1; + r = x * x + y * y; + } while (!r || r > 1); + + return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); + }; + } + + function logNormal() { + var randomNormal = normal.apply(this, arguments); + return function() { + return Math.exp(randomNormal()); + }; + } + + function irwinHall(n) { + return function() { + for (var sum = 0, i = 0; i < n; ++i) sum += Math.random(); + return sum; + }; + } + + function bates(n) { + var randomIrwinHall = irwinHall(n); + return function() { + return randomIrwinHall() / n; + }; + } + + function exponential(lambda) { + return function() { + return -Math.log(1 - Math.random()) / lambda; + }; + } + + function linear(t) { + return +t; + } + + function quadIn(t) { + return t * t; + } + + function quadOut(t) { + return t * (2 - t); + } + + function quadInOut(t) { + return ((t *= 2) <= 1 ? t * t : --t * (2 - t) + 1) / 2; + } + + function cubicIn(t) { + return t * t * t; + } + + function cubicOut(t) { + return --t * t * t + 1; + } + + function easeCubicInOut(t) { + return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2; + } + + var exponent = 3; + + var polyIn = (function custom(e) { + e = +e; + + function polyIn(t) { + return Math.pow(t, e); + } + + polyIn.exponent = custom; + + return polyIn; + })(exponent); + + var polyOut = (function custom(e) { + e = +e; + + function polyOut(t) { + return 1 - Math.pow(1 - t, e); + } + + polyOut.exponent = custom; + + return polyOut; + })(exponent); + + var polyInOut = (function custom(e) { + e = +e; + + function polyInOut(t) { + return ((t *= 2) <= 1 ? Math.pow(t, e) : 2 - Math.pow(2 - t, e)) / 2; + } + + polyInOut.exponent = custom; + + return polyInOut; + })(exponent); + + var pi = Math.PI; + var halfPi = pi / 2; + function sinIn(t) { + return 1 - Math.cos(t * halfPi); + } + + function sinOut(t) { + return Math.sin(t * halfPi); + } + + function sinInOut(t) { + return (1 - Math.cos(pi * t)) / 2; + } + + function expIn(t) { + return Math.pow(2, 10 * t - 10); + } + + function expOut(t) { + return 1 - Math.pow(2, -10 * t); + } + + function expInOut(t) { + return ((t *= 2) <= 1 ? Math.pow(2, 10 * t - 10) : 2 - Math.pow(2, 10 - 10 * t)) / 2; + } + + function circleIn(t) { + return 1 - Math.sqrt(1 - t * t); + } + + function circleOut(t) { + return Math.sqrt(1 - --t * t); + } + + function circleInOut(t) { + return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2; + } + + var b1 = 4 / 11; + var b2 = 6 / 11; + var b3 = 8 / 11; + var b4 = 3 / 4; + var b5 = 9 / 11; + var b6 = 10 / 11; + var b7 = 15 / 16; + var b8 = 21 / 22; + var b9 = 63 / 64; + var b0 = 1 / b1 / b1; + function bounceIn(t) { + return 1 - bounceOut(1 - t); + } + + function bounceOut(t) { + return (t = +t) < b1 ? b0 * t * t : t < b3 ? b0 * (t -= b2) * t + b4 : t < b6 ? b0 * (t -= b5) * t + b7 : b0 * (t -= b8) * t + b9; + } + + function bounceInOut(t) { + return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2; + } + + var overshoot = 1.70158; + + var backIn = (function custom(s) { + s = +s; + + function backIn(t) { + return t * t * ((s + 1) * t - s); + } + + backIn.overshoot = custom; + + return backIn; + })(overshoot); + + var backOut = (function custom(s) { + s = +s; + + function backOut(t) { + return --t * t * ((s + 1) * t + s) + 1; + } + + backOut.overshoot = custom; + + return backOut; + })(overshoot); + + var backInOut = (function custom(s) { + s = +s; + + function backInOut(t) { + return ((t *= 2) < 1 ? t * t * ((s + 1) * t - s) : (t -= 2) * t * ((s + 1) * t + s) + 2) / 2; + } + + backInOut.overshoot = custom; + + return backInOut; + })(overshoot); + + var tau = 2 * Math.PI; + var amplitude = 1; + var period = 0.3; + var elasticIn = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); + + function elasticIn(t) { + return a * Math.pow(2, 10 * --t) * Math.sin((s - t) / p); + } + + elasticIn.amplitude = function(a) { return custom(a, p * tau); }; + elasticIn.period = function(p) { return custom(a, p); }; + + return elasticIn; + })(amplitude, period); + + var elasticOut = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); + + function elasticOut(t) { + return 1 - a * Math.pow(2, -10 * (t = +t)) * Math.sin((t + s) / p); + } + + elasticOut.amplitude = function(a) { return custom(a, p * tau); }; + elasticOut.period = function(p) { return custom(a, p); }; + + return elasticOut; + })(amplitude, period); + + var elasticInOut = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); + + function elasticInOut(t) { + return ((t = t * 2 - 1) < 0 + ? a * Math.pow(2, 10 * t) * Math.sin((s - t) / p) + : 2 - a * Math.pow(2, -10 * t) * Math.sin((s + t) / p)) / 2; + } + + elasticInOut.amplitude = function(a) { return custom(a, p * tau); }; + elasticInOut.period = function(p) { return custom(a, p); }; + + return elasticInOut; + })(amplitude, period); + + function area(polygon) { + var i = -1, + n = polygon.length, + a, + b = polygon[n - 1], + area = 0; + + while (++i < n) { + a = b; + b = polygon[i]; + area += a[1] * b[0] - a[0] * b[1]; + } + + return area / 2; + } + + function centroid(polygon) { + var i = -1, + n = polygon.length, + x = 0, + y = 0, + a, + b = polygon[n - 1], + c, + k = 0; + + while (++i < n) { + a = b; + b = polygon[i]; + k += c = a[0] * b[1] - b[0] * a[1]; + x += (a[0] + b[0]) * c; + y += (a[1] + b[1]) * c; + } + + return k *= 3, [x / k, y / k]; + } + + // Returns the 2D cross product of AB and AC vectors, i.e., the z-component of + // the 3D cross product in a quadrant I Cartesian coordinate system (+x is + // right, +y is up). Returns a positive value if ABC is counter-clockwise, + // negative if clockwise, and zero if the points are collinear. + function cross(a, b, c) { + return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); + } + + function lexicographicOrder(a, b) { + return a[0] - b[0] || a[1] - b[1]; + } + + // Computes the upper convex hull per the monotone chain algorithm. + // Assumes points.length >= 3, is sorted by x, unique in y. + // Returns an array of indices into points in left-to-right order. + function computeUpperHullIndexes(points) { + var n = points.length, + indexes = [0, 1], + size = 2; + + for (var i = 2; i < n; ++i) { + while (size > 1 && cross(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size; + indexes[size++] = i; + } + + return indexes.slice(0, size); // remove popped points + } + + function hull(points) { + if ((n = points.length) < 3) return null; + + var i, + n, + sortedPoints = new Array(n), + flippedPoints = new Array(n); + + for (i = 0; i < n; ++i) sortedPoints[i] = [+points[i][0], +points[i][1], i]; + sortedPoints.sort(lexicographicOrder); + for (i = 0; i < n; ++i) flippedPoints[i] = [sortedPoints[i][0], -sortedPoints[i][1]]; + + var upperIndexes = computeUpperHullIndexes(sortedPoints), + lowerIndexes = computeUpperHullIndexes(flippedPoints); + + // Construct the hull polygon, removing possible duplicate endpoints. + var skipLeft = lowerIndexes[0] === upperIndexes[0], + skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1], + hull = []; + + // Add upper hull in right-to-l order. + // Then add lower hull in left-to-right order. + for (i = upperIndexes.length - 1; i >= 0; --i) hull.push(points[sortedPoints[upperIndexes[i]][2]]); + for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]); + + return hull; + } + + function contains(polygon, point) { + var n = polygon.length, + p = polygon[n - 1], + x = point[0], y = point[1], + x0 = p[0], y0 = p[1], + x1, y1, + inside = false; + + for (var i = 0; i < n; ++i) { + p = polygon[i], x1 = p[0], y1 = p[1]; + if (((y1 > y) !== (y0 > y)) && (x < (x0 - x1) * (y - y1) / (y0 - y1) + x1)) inside = !inside; + x0 = x1, y0 = y1; + } + + return inside; + } + + function length$1(polygon) { + var i = -1, + n = polygon.length, + b = polygon[n - 1], + xa, + ya, + xb = b[0], + yb = b[1], + perimeter = 0; + + while (++i < n) { + xa = xb; + ya = yb; + b = polygon[i]; + xb = b[0]; + yb = b[1]; + xa -= xb; + ya -= yb; + perimeter += Math.sqrt(xa * xa + ya * ya); + } + + return perimeter; + } + +var pi$1 = Math.PI; +var tau$1 = 2 * pi$1; + var epsilon = 1e-6; + var tauEpsilon = tau$1 - epsilon; + function Path() { + this._x0 = this._y0 = // start of current subpath + this._x1 = this._y1 = null; // end of current subpath + this._ = []; + } + + function path() { + return new Path; + } + + Path.prototype = path.prototype = { + constructor: Path, + moveTo: function(x, y) { + this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y); + }, + closePath: function() { + if (this._x1 !== null) { + this._x1 = this._x0, this._y1 = this._y0; + this._.push("Z"); + } + }, + lineTo: function(x, y) { + this._.push("L", this._x1 = +x, ",", this._y1 = +y); + }, + quadraticCurveTo: function(x1, y1, x, y) { + this._.push("Q", +x1, ",", +y1, ",", this._x1 = +x, ",", this._y1 = +y); + }, + bezierCurveTo: function(x1, y1, x2, y2, x, y) { + this._.push("C", +x1, ",", +y1, ",", +x2, ",", +y2, ",", this._x1 = +x, ",", this._y1 = +y); + }, + arcTo: function(x1, y1, x2, y2, r) { + x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r; + var x0 = this._x1, + y0 = this._y1, + x21 = x2 - x1, + y21 = y2 - y1, + x01 = x0 - x1, + y01 = y0 - y1, + l01_2 = x01 * x01 + y01 * y01; + + // Is the radius negative? Error. + if (r < 0) throw new Error("negative radius: " + r); + + // Is this path empty? Move to (x1,y1). + if (this._x1 === null) { + this._.push( + "M", this._x1 = x1, ",", this._y1 = y1 + ); + } + + // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. + else if (!(l01_2 > epsilon)); + + // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? + // Equivalently, is (x1,y1) coincident with (x2,y2)? + // Or, is the radius zero? Line to (x1,y1). + else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon) || !r) { + this._.push( + "L", this._x1 = x1, ",", this._y1 = y1 + ); + } + + // Otherwise, draw an arc! + else { + var x20 = x2 - x0, + y20 = y2 - y0, + l21_2 = x21 * x21 + y21 * y21, + l20_2 = x20 * x20 + y20 * y20, + l21 = Math.sqrt(l21_2), + l01 = Math.sqrt(l01_2), + l = r * Math.tan((pi$1 - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2), + t01 = l / l01, + t21 = l / l21; + + // If the start tangent is not coincident with (x0,y0), line to. + if (Math.abs(t01 - 1) > epsilon) { + this._.push( + "L", x1 + t01 * x01, ",", y1 + t01 * y01 + ); + } + + this._.push( + "A", r, ",", r, ",0,0,", +(y01 * x20 > x01 * y20), ",", this._x1 = x1 + t21 * x21, ",", this._y1 = y1 + t21 * y21 + ); + } + }, + arc: function(x, y, r, a0, a1, ccw) { + x = +x, y = +y, r = +r; + var dx = r * Math.cos(a0), + dy = r * Math.sin(a0), + x0 = x + dx, + y0 = y + dy, + cw = 1 ^ ccw, + da = ccw ? a0 - a1 : a1 - a0; + + // Is the radius negative? Error. + if (r < 0) throw new Error("negative radius: " + r); + + // Is this path empty? Move to (x0,y0). + if (this._x1 === null) { + this._.push( + "M", x0, ",", y0 + ); + } + + // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). + else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) { + this._.push( + "L", x0, ",", y0 + ); + } + + // Is this arc empty? We’re done. + if (!r) return; + + // Is this a complete circle? Draw two arcs to complete the circle. + if (da > tauEpsilon) { + this._.push( + "A", r, ",", r, ",0,1,", cw, ",", x - dx, ",", y - dy, + "A", r, ",", r, ",0,1,", cw, ",", this._x1 = x0, ",", this._y1 = y0 + ); + } + + // Otherwise, draw an arc! + else { + if (da < 0) da = da % tau$1 + tau$1; + this._.push( + "A", r, ",", r, ",0,", +(da >= pi$1), ",", cw, ",", this._x1 = x + r * Math.cos(a1), ",", this._y1 = y + r * Math.sin(a1) + ); + } + }, + rect: function(x, y, w, h) { + this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y, "h", +w, "v", +h, "h", -w, "Z"); + }, + toString: function() { + return this._.join(""); + } + }; + + function tree_add(d) { + var x = +this._x.call(null, d), + y = +this._y.call(null, d); + return add(this.cover(x, y), x, y, d); + } + + function add(tree, x, y, d) { + if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points + + var parent, + node = tree._root, + leaf = {data: d}, + x0 = tree._x0, + y0 = tree._y0, + x1 = tree._x1, + y1 = tree._y1, + xm, + ym, + xp, + yp, + right, + bottom, + i, + j; + + // If the tree is empty, initialize the root as a leaf. + if (!node) return tree._root = leaf, tree; + + // Find the existing leaf for the new point, or add it. + while (node.length) { + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree; + } + + // Is the new point is exactly coincident with the existing point? + xp = +tree._x.call(null, node.data); + yp = +tree._y.call(null, node.data); + if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree; + + // Otherwise, split the leaf node until the old and new point are separated. + do { + parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4); + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm))); + return parent[j] = node, parent[i] = leaf, tree; + } + + function addAll(data) { + var d, i, n = data.length, + x, + y, + xz = new Array(n), + yz = new Array(n), + x0 = Infinity, + y0 = Infinity, + x1 = -Infinity, + y1 = -Infinity; + + // Compute the points and their extent. + for (i = 0; i < n; ++i) { + if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue; + xz[i] = x; + yz[i] = y; + if (x < x0) x0 = x; + if (x > x1) x1 = x; + if (y < y0) y0 = y; + if (y > y1) y1 = y; + } + + // If there were no (valid) points, inherit the existing extent. + if (x1 < x0) x0 = this._x0, x1 = this._x1; + if (y1 < y0) y0 = this._y0, y1 = this._y1; + + // Expand the tree to cover the new points. + this.cover(x0, y0).cover(x1, y1); + + // Add the new points. + for (i = 0; i < n; ++i) { + add(this, xz[i], yz[i], data[i]); + } + + return this; + } + + function tree_cover(x, y) { + if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points + + var x0 = this._x0, + y0 = this._y0, + x1 = this._x1, + y1 = this._y1; + + // If the quadtree has no extent, initialize them. + // Integer extent are necessary so that if we later double the extent, + // the existing quadrant boundaries don’t change due to floating point error! + if (isNaN(x0)) { + x1 = (x0 = Math.floor(x)) + 1; + y1 = (y0 = Math.floor(y)) + 1; + } + + // Otherwise, double repeatedly to cover. + else if (x0 > x || x > x1 || y0 > y || y > y1) { + var z = x1 - x0, + node = this._root, + parent, + i; + + switch (i = (y < (y0 + y1) / 2) << 1 | (x < (x0 + x1) / 2)) { + case 0: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x1 = x0 + z, y1 = y0 + z, x > x1 || y > y1); + break; + } + case 1: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x0 = x1 - z, y1 = y0 + z, x0 > x || y > y1); + break; + } + case 2: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x1 = x0 + z, y0 = y1 - z, x > x1 || y0 > y); + break; + } + case 3: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x0 = x1 - z, y0 = y1 - z, x0 > x || y0 > y); + break; + } + } + + if (this._root && this._root.length) this._root = node; + } + + // If the quadtree covers the point already, just return. + else return this; + + this._x0 = x0; + this._y0 = y0; + this._x1 = x1; + this._y1 = y1; + return this; + } + + function tree_data() { + var data = []; + this.visit(function(node) { + if (!node.length) do data.push(node.data); while (node = node.next) + }); + return data; + } + + function tree_extent(_) { + return arguments.length + ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) + : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; + } + + function Quad(node, x0, y0, x1, y1) { + this.node = node; + this.x0 = x0; + this.y0 = y0; + this.x1 = x1; + this.y1 = y1; + } + + function tree_find(x, y, radius) { + var data, + x0 = this._x0, + y0 = this._y0, + x1, + y1, + x2, + y2, + x3 = this._x1, + y3 = this._y1, + quads = [], + node = this._root, + q, + i; + + if (node) quads.push(new Quad(node, x0, y0, x3, y3)); + if (radius == null) radius = Infinity; + else { + x0 = x - radius, y0 = y - radius; + x3 = x + radius, y3 = y + radius; + radius *= radius; + } + + while (q = quads.pop()) { + + // Stop searching if this quadrant can’t contain a closer node. + if (!(node = q.node) + || (x1 = q.x0) > x3 + || (y1 = q.y0) > y3 + || (x2 = q.x1) < x0 + || (y2 = q.y1) < y0) continue; + + // Bisect the current quadrant. + if (node.length) { + var xm = (x1 + x2) / 2, + ym = (y1 + y2) / 2; + + quads.push( + new Quad(node[3], xm, ym, x2, y2), + new Quad(node[2], x1, ym, xm, y2), + new Quad(node[1], xm, y1, x2, ym), + new Quad(node[0], x1, y1, xm, ym) + ); + + // Visit the closest quadrant first. + if (i = (y >= ym) << 1 | (x >= xm)) { + q = quads[quads.length - 1]; + quads[quads.length - 1] = quads[quads.length - 1 - i]; + quads[quads.length - 1 - i] = q; + } + } + + // Visit this point. (Visiting coincident points isn’t necessary!) + else { + var dx = x - +this._x.call(null, node.data), + dy = y - +this._y.call(null, node.data), + d2 = dx * dx + dy * dy; + if (d2 < radius) { + var d = Math.sqrt(radius = d2); + x0 = x - d, y0 = y - d; + x3 = x + d, y3 = y + d; + data = node.data; + } + } + } + + return data; + } + + function tree_remove(d) { + if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points + + var parent, + node = this._root, + retainer, + previous, + next, + x0 = this._x0, + y0 = this._y0, + x1 = this._x1, + y1 = this._y1, + x, + y, + xm, + ym, + right, + bottom, + i, + j; + + // If the tree is empty, initialize the root as a leaf. + if (!node) return this; + + // Find the leaf node for the point. + // While descending, also retain the deepest parent with a non-removed sibling. + if (node.length) while (true) { + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + if (!(parent = node, node = node[i = bottom << 1 | right])) return this; + if (!node.length) break; + if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i; + } + + // Find the point to remove. + while (node.data !== d) if (!(previous = node, node = node.next)) return this; + if (next = node.next) delete node.next; + + // If there are multiple coincident points, remove just the point. + if (previous) return (next ? previous.next = next : delete previous.next), this; + + // If this is the root point, remove it. + if (!parent) return this._root = next, this; + + // Remove this leaf. + next ? parent[i] = next : delete parent[i]; + + // If the parent now contains exactly one leaf, collapse superfluous parents. + if ((node = parent[0] || parent[1] || parent[2] || parent[3]) + && node === (parent[3] || parent[2] || parent[1] || parent[0]) + && !node.length) { + if (retainer) retainer[j] = node; + else this._root = node; + } + + return this; + } + + function removeAll(data) { + for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); + return this; + } + + function tree_root() { + return this._root; + } + + function tree_size() { + var size = 0; + this.visit(function(node) { + if (!node.length) do ++size; while (node = node.next) + }); + return size; + } + + function tree_visit(callback) { + var quads = [], q, node = this._root, child, x0, y0, x1, y1; + if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); + while (q = quads.pop()) { + if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) { + var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; + if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); + if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); + if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); + if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); + } + } + return this; + } + + function tree_visitAfter(callback) { + var quads = [], next = [], q; + if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); + while (q = quads.pop()) { + var node = q.node; + if (node.length) { + var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; + if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); + if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); + if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); + if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); + } + next.push(q); + } + while (q = next.pop()) { + callback(q.node, q.x0, q.y0, q.x1, q.y1); + } + return this; + } + + function defaultX(d) { + return d[0]; + } + + function tree_x(_) { + return arguments.length ? (this._x = _, this) : this._x; + } + + function defaultY(d) { + return d[1]; + } + + function tree_y(_) { + return arguments.length ? (this._y = _, this) : this._y; + } + + function quadtree(nodes, x, y) { + var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); + return nodes == null ? tree : tree.addAll(nodes); + } + + function Quadtree(x, y, x0, y0, x1, y1) { + this._x = x; + this._y = y; + this._x0 = x0; + this._y0 = y0; + this._x1 = x1; + this._y1 = y1; + this._root = undefined; + } + + function leaf_copy(leaf) { + var copy = {data: leaf.data}, next = copy; + while (leaf = leaf.next) next = next.next = {data: leaf.data}; + return copy; + } + + var treeProto = quadtree.prototype = Quadtree.prototype; + + treeProto.copy = function() { + var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), + node = this._root, + nodes, + child; + + if (!node) return copy; + + if (!node.length) return copy._root = leaf_copy(node), copy; + + nodes = [{source: node, target: copy._root = new Array(4)}]; + while (node = nodes.pop()) { + for (var i = 0; i < 4; ++i) { + if (child = node.source[i]) { + if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)}); + else node.target[i] = leaf_copy(child); + } + } + } + + return copy; + }; + + treeProto.add = tree_add; + treeProto.addAll = addAll; + treeProto.cover = tree_cover; + treeProto.data = tree_data; + treeProto.extent = tree_extent; + treeProto.find = tree_find; + treeProto.remove = tree_remove; + treeProto.removeAll = removeAll; + treeProto.root = tree_root; + treeProto.size = tree_size; + treeProto.visit = tree_visit; + treeProto.visitAfter = tree_visitAfter; + treeProto.x = tree_x; + treeProto.y = tree_y; + + var slice$1 = [].slice; + + var noabort = {}; + + function Queue(size) { + if (!(size >= 1)) throw new Error; + this._size = size; + this._call = + this._error = null; + this._tasks = []; + this._data = []; + this._waiting = + this._active = + this._ended = + this._start = 0; // inside a synchronous task callback? + } + + Queue.prototype = queue.prototype = { + constructor: Queue, + defer: function(callback) { + if (typeof callback !== "function" || this._call) throw new Error; + if (this._error != null) return this; + var t = slice$1.call(arguments, 1); + t.push(callback); + ++this._waiting, this._tasks.push(t); + poke(this); + return this; + }, + abort: function() { + if (this._error == null) abort(this, new Error("abort")); + return this; + }, + await: function(callback) { + if (typeof callback !== "function" || this._call) throw new Error; + this._call = function(error, results) { callback.apply(null, [error].concat(results)); }; + maybeNotify(this); + return this; + }, + awaitAll: function(callback) { + if (typeof callback !== "function" || this._call) throw new Error; + this._call = callback; + maybeNotify(this); + return this; + } + }; + + function poke(q) { + if (!q._start) try { start(q); } // let the current task complete + catch (e) { if (q._tasks[q._ended + q._active - 1]) abort(q, e); } // task errored synchronously + } + + function start(q) { + while (q._start = q._waiting && q._active < q._size) { + var i = q._ended + q._active, + t = q._tasks[i], + j = t.length - 1, + c = t[j]; + t[j] = end(q, i); + --q._waiting, ++q._active; + t = c.apply(null, t); + if (!q._tasks[i]) continue; // task finished synchronously + q._tasks[i] = t || noabort; + } + } + + function end(q, i) { + return function(e, r) { + if (!q._tasks[i]) return; // ignore multiple callbacks + --q._active, ++q._ended; + q._tasks[i] = null; + if (q._error != null) return; // ignore secondary errors + if (e != null) { + abort(q, e); + } else { + q._data[i] = r; + if (q._waiting) poke(q); + else maybeNotify(q); + } + }; + } + + function abort(q, e) { + var i = q._tasks.length, t; + q._error = e; // ignore active callbacks + q._data = undefined; // allow gc + q._waiting = NaN; // prevent starting + + while (--i >= 0) { + if (t = q._tasks[i]) { + q._tasks[i] = null; + if (t.abort) try { t.abort(); } + catch (e) { /* ignore */ } + } + } + + q._active = NaN; // allow notification + maybeNotify(q); + } + + function maybeNotify(q) { + if (!q._active && q._call) q._call(q._error, q._data); + } + + function queue(concurrency) { + return new Queue(arguments.length ? +concurrency : Infinity); + } + + function constant$1(x) { + return function constant() { + return x; + }; + } + + var epsilon$1 = 1e-12; + var pi$2 = Math.PI; + var halfPi$1 = pi$2 / 2; + var tau$2 = 2 * pi$2; + + function arcInnerRadius(d) { + return d.innerRadius; + } + + function arcOuterRadius(d) { + return d.outerRadius; + } + + function arcStartAngle(d) { + return d.startAngle; + } + + function arcEndAngle(d) { + return d.endAngle; + } + + function arcPadAngle(d) { + return d && d.padAngle; // Note: optional! + } + + function asin(x) { + return x >= 1 ? halfPi$1 : x <= -1 ? -halfPi$1 : Math.asin(x); + } + + function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { + var x10 = x1 - x0, y10 = y1 - y0, + x32 = x3 - x2, y32 = y3 - y2, + t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / (y32 * x10 - x32 * y10); + return [x0 + t * x10, y0 + t * y10]; + } + + // Compute perpendicular offset line of length rc. + // http://mathworld.wolfram.com/Circle-LineIntersection.html + function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { + var x01 = x0 - x1, + y01 = y0 - y1, + lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), + ox = lo * y01, + oy = -lo * x01, + x11 = x0 + ox, + y11 = y0 + oy, + x10 = x1 + ox, + y10 = y1 + oy, + x00 = (x11 + x10) / 2, + y00 = (y11 + y10) / 2, + dx = x10 - x11, + dy = y10 - y11, + d2 = dx * dx + dy * dy, + r = r1 - rc, + D = x11 * y10 - x10 * y11, + d = (dy < 0 ? -1 : 1) * Math.sqrt(Math.max(0, r * r * d2 - D * D)), + cx0 = (D * dy - dx * d) / d2, + cy0 = (-D * dx - dy * d) / d2, + cx1 = (D * dy + dx * d) / d2, + cy1 = (-D * dx + dy * d) / d2, + dx0 = cx0 - x00, + dy0 = cy0 - y00, + dx1 = cx1 - x00, + dy1 = cy1 - y00; + + // Pick the closer of the two intersection points. + // TODO Is there a faster way to determine which intersection to use? + if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; + + return { + cx: cx0, + cy: cy0, + x01: -ox, + y01: -oy, + x11: cx0 * (r1 / r - 1), + y11: cy0 * (r1 / r - 1) + }; + } + + function arc() { + var innerRadius = arcInnerRadius, + outerRadius = arcOuterRadius, + cornerRadius = constant$1(0), + padRadius = null, + startAngle = arcStartAngle, + endAngle = arcEndAngle, + padAngle = arcPadAngle, + context = null; + + function arc() { + var buffer, + r, + r0 = +innerRadius.apply(this, arguments), + r1 = +outerRadius.apply(this, arguments), + a0 = startAngle.apply(this, arguments) - halfPi$1, + a1 = endAngle.apply(this, arguments) - halfPi$1, + da = Math.abs(a1 - a0), + cw = a1 > a0; + + if (!context) context = buffer = path(); + + // Ensure that the outer radius is always larger than the inner radius. + if (r1 < r0) r = r1, r1 = r0, r0 = r; + + // Is it a point? + if (!(r1 > epsilon$1)) context.moveTo(0, 0); + + // Or is it a circle or annulus? + else if (da > tau$2 - epsilon$1) { + context.moveTo(r1 * Math.cos(a0), r1 * Math.sin(a0)); + context.arc(0, 0, r1, a0, a1, !cw); + if (r0 > epsilon$1) { + context.moveTo(r0 * Math.cos(a1), r0 * Math.sin(a1)); + context.arc(0, 0, r0, a1, a0, cw); + } + } + + // Or is it a circular or annular sector? + else { + var a01 = a0, + a11 = a1, + a00 = a0, + a10 = a1, + da0 = da, + da1 = da, + ap = padAngle.apply(this, arguments) / 2, + rp = (ap > epsilon$1) && (padRadius ? +padRadius.apply(this, arguments) : Math.sqrt(r0 * r0 + r1 * r1)), + rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments)), + rc0 = rc, + rc1 = rc, + t0, + t1; + + // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0. + if (rp > epsilon$1) { + var p0 = asin(rp / r0 * Math.sin(ap)), + p1 = asin(rp / r1 * Math.sin(ap)); + if ((da0 -= p0 * 2) > epsilon$1) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0; + else da0 = 0, a00 = a10 = (a0 + a1) / 2; + if ((da1 -= p1 * 2) > epsilon$1) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1; + else da1 = 0, a01 = a11 = (a0 + a1) / 2; + } + + var x01 = r1 * Math.cos(a01), + y01 = r1 * Math.sin(a01), + x10 = r0 * Math.cos(a10), + y10 = r0 * Math.sin(a10); + + // Apply rounded corners? + if (rc > epsilon$1) { + var x11 = r1 * Math.cos(a11), + y11 = r1 * Math.sin(a11), + x00 = r0 * Math.cos(a00), + y00 = r0 * Math.sin(a00); + + // Restrict the corner radius according to the sector angle. + if (da < pi$2) { + var oc = da0 > epsilon$1 ? intersect(x01, y01, x00, y00, x11, y11, x10, y10) : [x10, y10], + ax = x01 - oc[0], + ay = y01 - oc[1], + bx = x11 - oc[0], + by = y11 - oc[1], + kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), + lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]); + rc0 = Math.min(rc, (r0 - lc) / (kc - 1)); + rc1 = Math.min(rc, (r1 - lc) / (kc + 1)); + } + } + + // Is the sector collapsed to a line? + if (!(da1 > epsilon$1)) context.moveTo(x01, y01); + + // Does the sector’s outer ring have rounded corners? + else if (rc1 > epsilon$1) { + t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw); + t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw); + + context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01); + + // Have the corners merged? + if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw); + + // Otherwise, draw the two corners and the ring. + else { + context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw); + context.arc(0, 0, r1, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), !cw); + context.arc(t1.cx, t1.cy, rc1, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw); + } + } + + // Or is the outer ring just a circular arc? + else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw); + + // Is there no inner ring, and it’s a circular sector? + // Or perhaps it’s an annular sector collapsed due to padding? + if (!(r0 > epsilon$1) || !(da0 > epsilon$1)) context.lineTo(x10, y10); + + // Does the sector’s inner ring (or point) have rounded corners? + else if (rc0 > epsilon$1) { + t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw); + t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw); + + context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01); + + // Have the corners merged? + if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw); + + // Otherwise, draw the two corners and the ring. + else { + context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw); + context.arc(0, 0, r0, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), cw); + context.arc(t1.cx, t1.cy, rc0, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw); + } + } + + // Or is the inner ring just a circular arc? + else context.arc(0, 0, r0, a10, a00, cw); + } + + context.closePath(); + + if (buffer) return context = null, buffer + "" || null; + } + + arc.centroid = function() { + var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, + a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi$2 / 2; + return [Math.cos(a) * r, Math.sin(a) * r]; + }; + + arc.innerRadius = function(_) { + return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : innerRadius; + }; + + arc.outerRadius = function(_) { + return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : outerRadius; + }; + + arc.cornerRadius = function(_) { + return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : cornerRadius; + }; + + arc.padRadius = function(_) { + return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), arc) : padRadius; + }; + + arc.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : startAngle; + }; + + arc.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : endAngle; + }; + + arc.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : padAngle; + }; + + arc.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), arc) : context; + }; + + return arc; + } + + function Linear(context) { + this._context = context; + } + + Linear.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; // proceed + default: this._context.lineTo(x, y); break; + } + } + }; + + function curveLinear(context) { + return new Linear(context); + } + + function x(p) { + return p[0]; + } + + function y(p) { + return p[1]; + } + + function line() { + var x$$ = x, + y$$ = y, + defined = constant$1(true), + context = null, + curve = curveLinear, + output = null; + + function line(data) { + var i, + n = data.length, + d, + defined0 = false, + buffer; + + if (context == null) output = curve(buffer = path()); + + for (i = 0; i <= n; ++i) { + if (!(i < n && defined(d = data[i], i, data)) === defined0) { + if (defined0 = !defined0) output.lineStart(); + else output.lineEnd(); + } + if (defined0) output.point(+x$$(d, i, data), +y$$(d, i, data)); + } + + if (buffer) return output = null, buffer + "" || null; + } + + line.x = function(_) { + return arguments.length ? (x$$ = typeof _ === "function" ? _ : constant$1(+_), line) : x$$; + }; + + line.y = function(_) { + return arguments.length ? (y$$ = typeof _ === "function" ? _ : constant$1(+_), line) : y$$; + }; + + line.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$1(!!_), line) : defined; + }; + + line.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; + }; + + line.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; + }; + + return line; + } + + function area$1() { + var x0 = x, + x1 = null, + y0 = constant$1(0), + y1 = y, + defined = constant$1(true), + context = null, + curve = curveLinear, + output = null; + + function area(data) { + var i, + j, + k, + n = data.length, + d, + defined0 = false, + buffer, + x0z = new Array(n), + y0z = new Array(n); + + if (context == null) output = curve(buffer = path()); + + for (i = 0; i <= n; ++i) { + if (!(i < n && defined(d = data[i], i, data)) === defined0) { + if (defined0 = !defined0) { + j = i; + output.areaStart(); + output.lineStart(); + } else { + output.lineEnd(); + output.lineStart(); + for (k = i - 1; k >= j; --k) { + output.point(x0z[k], y0z[k]); + } + output.lineEnd(); + output.areaEnd(); + } + } + if (defined0) { + x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data); + output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]); + } + } + + if (buffer) return output = null, buffer + "" || null; + } + + function arealine() { + return line().defined(defined).curve(curve).context(context); + } + + area.x = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$1(+_), x1 = null, area) : x0; + }; + + area.x0 = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$1(+_), area) : x0; + }; + + area.x1 = function(_) { + return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), area) : x1; + }; + + area.y = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$1(+_), y1 = null, area) : y0; + }; + + area.y0 = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$1(+_), area) : y0; + }; + + area.y1 = function(_) { + return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), area) : y1; + }; + + area.lineX0 = + area.lineY0 = function() { + return arealine().x(x0).y(y0); + }; + + area.lineY1 = function() { + return arealine().x(x0).y(y1); + }; + + area.lineX1 = function() { + return arealine().x(x1).y(y0); + }; + + area.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$1(!!_), area) : defined; + }; + + area.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; + }; + + area.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; + }; + + return area; + } + + function descending$1(a, b) { + return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; + } + + function identity$1(d) { + return d; + } + + function pie() { + var value = identity$1, + sortValues = descending$1, + sort = null, + startAngle = constant$1(0), + endAngle = constant$1(tau$2), + padAngle = constant$1(0); + + function pie(data) { + var i, + n = data.length, + j, + k, + sum = 0, + index = new Array(n), + arcs = new Array(n), + a0 = +startAngle.apply(this, arguments), + da = Math.min(tau$2, Math.max(-tau$2, endAngle.apply(this, arguments) - a0)), + a1, + p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)), + pa = p * (da < 0 ? -1 : 1), + v; + + for (i = 0; i < n; ++i) { + if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) { + sum += v; + } + } + + // Optionally sort the arcs by previously-computed values or by data. + if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); }); + else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); }); + + // Compute the arcs! They are stored in the original data's order. + for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) { + j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = { + data: data[j], + index: i, + value: v, + startAngle: a0, + endAngle: a1, + padAngle: p + }; + } + + return arcs; + } + + pie.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant$1(+_), pie) : value; + }; + + pie.sortValues = function(_) { + return arguments.length ? (sortValues = _, sort = null, pie) : sortValues; + }; + + pie.sort = function(_) { + return arguments.length ? (sort = _, sortValues = null, pie) : sort; + }; + + pie.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : startAngle; + }; + + pie.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : endAngle; + }; + + pie.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : padAngle; + }; + + return pie; + } + + var curveRadialLinear = curveRadial(curveLinear); + + function Radial(curve) { + this._curve = curve; + } + + Radial.prototype = { + areaStart: function() { + this._curve.areaStart(); + }, + areaEnd: function() { + this._curve.areaEnd(); + }, + lineStart: function() { + this._curve.lineStart(); + }, + lineEnd: function() { + this._curve.lineEnd(); + }, + point: function(a, r) { + this._curve.point(r * Math.sin(a), r * -Math.cos(a)); + } + }; + + function curveRadial(curve) { + + function radial(context) { + return new Radial(curve(context)); + } + + radial._curve = curve; + + return radial; + } + + function radialLine(l) { + var c = l.curve; + + l.angle = l.x, delete l.x; + l.radius = l.y, delete l.y; + + l.curve = function(_) { + return arguments.length ? c(curveRadial(_)) : c()._curve; + }; + + return l; + } + + function radialLine$1() { + return radialLine(line().curve(curveRadialLinear)); + } + + function radialArea() { + var a = area$1().curve(curveRadialLinear), + c = a.curve, + x0 = a.lineX0, + x1 = a.lineX1, + y0 = a.lineY0, + y1 = a.lineY1; + + a.angle = a.x, delete a.x; + a.startAngle = a.x0, delete a.x0; + a.endAngle = a.x1, delete a.x1; + a.radius = a.y, delete a.y; + a.innerRadius = a.y0, delete a.y0; + a.outerRadius = a.y1, delete a.y1; + a.lineStartAngle = function() { return radialLine(x0()); }, delete a.lineX0; + a.lineEndAngle = function() { return radialLine(x1()); }, delete a.lineX1; + a.lineInnerRadius = function() { return radialLine(y0()); }, delete a.lineY0; + a.lineOuterRadius = function() { return radialLine(y1()); }, delete a.lineY1; + + a.curve = function(_) { + return arguments.length ? c(curveRadial(_)) : c()._curve; + }; + + return a; + } + + var circle = { + draw: function(context, size) { + var r = Math.sqrt(size / pi$2); + context.moveTo(r, 0); + context.arc(0, 0, r, 0, tau$2); + } + }; + + var cross$1 = { + draw: function(context, size) { + var r = Math.sqrt(size / 5) / 2; + context.moveTo(-3 * r, -r); + context.lineTo(-r, -r); + context.lineTo(-r, -3 * r); + context.lineTo(r, -3 * r); + context.lineTo(r, -r); + context.lineTo(3 * r, -r); + context.lineTo(3 * r, r); + context.lineTo(r, r); + context.lineTo(r, 3 * r); + context.lineTo(-r, 3 * r); + context.lineTo(-r, r); + context.lineTo(-3 * r, r); + context.closePath(); + } + }; + + var tan30 = Math.sqrt(1 / 3); + var tan30_2 = tan30 * 2; + var diamond = { + draw: function(context, size) { + var y = Math.sqrt(size / tan30_2), + x = y * tan30; + context.moveTo(0, -y); + context.lineTo(x, 0); + context.lineTo(0, y); + context.lineTo(-x, 0); + context.closePath(); + } + }; + + var ka = 0.89081309152928522810; + var kr = Math.sin(pi$2 / 10) / Math.sin(7 * pi$2 / 10); + var kx = Math.sin(tau$2 / 10) * kr; + var ky = -Math.cos(tau$2 / 10) * kr; + var star = { + draw: function(context, size) { + var r = Math.sqrt(size * ka), + x = kx * r, + y = ky * r; + context.moveTo(0, -r); + context.lineTo(x, y); + for (var i = 1; i < 5; ++i) { + var a = tau$2 * i / 5, + c = Math.cos(a), + s = Math.sin(a); + context.lineTo(s * r, -c * r); + context.lineTo(c * x - s * y, s * x + c * y); + } + context.closePath(); + } + }; + + var square = { + draw: function(context, size) { + var w = Math.sqrt(size), + x = -w / 2; + context.rect(x, x, w, w); + } + }; + + var sqrt3 = Math.sqrt(3); + + var triangle = { + draw: function(context, size) { + var y = -Math.sqrt(size / (sqrt3 * 3)); + context.moveTo(0, y * 2); + context.lineTo(-sqrt3 * y, -y); + context.lineTo(sqrt3 * y, -y); + context.closePath(); + } + }; + + var c = -0.5; + var s = Math.sqrt(3) / 2; + var k = 1 / Math.sqrt(12); + var a = (k / 2 + 1) * 3; + var wye = { + draw: function(context, size) { + var r = Math.sqrt(size / a), + x0 = r / 2, + y0 = r * k, + x1 = x0, + y1 = r * k + r, + x2 = -x1, + y2 = y1; + context.moveTo(x0, y0); + context.lineTo(x1, y1); + context.lineTo(x2, y2); + context.lineTo(c * x0 - s * y0, s * x0 + c * y0); + context.lineTo(c * x1 - s * y1, s * x1 + c * y1); + context.lineTo(c * x2 - s * y2, s * x2 + c * y2); + context.lineTo(c * x0 + s * y0, c * y0 - s * x0); + context.lineTo(c * x1 + s * y1, c * y1 - s * x1); + context.lineTo(c * x2 + s * y2, c * y2 - s * x2); + context.closePath(); + } + }; + + var symbols = [ + circle, + cross$1, + diamond, + square, + star, + triangle, + wye + ]; + + function symbol() { + var type = constant$1(circle), + size = constant$1(64), + context = null; + + function symbol() { + var buffer; + if (!context) context = buffer = path(); + type.apply(this, arguments).draw(context, +size.apply(this, arguments)); + if (buffer) return context = null, buffer + "" || null; + } + + symbol.type = function(_) { + return arguments.length ? (type = typeof _ === "function" ? _ : constant$1(_), symbol) : type; + }; + + symbol.size = function(_) { + return arguments.length ? (size = typeof _ === "function" ? _ : constant$1(+_), symbol) : size; + }; + + symbol.context = function(_) { + return arguments.length ? (context = _ == null ? null : _, symbol) : context; + }; + + return symbol; + } + + function noop() {} + + function point(that, x, y) { + that._context.bezierCurveTo( + (2 * that._x0 + that._x1) / 3, + (2 * that._y0 + that._y1) / 3, + (that._x0 + 2 * that._x1) / 3, + (that._y0 + 2 * that._y1) / 3, + (that._x0 + 4 * that._x1 + x) / 6, + (that._y0 + 4 * that._y1 + y) / 6 + ); + } + + function Basis(context) { + this._context = context; + } + + Basis.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 3: point(this, this._x1, this._y1); // proceed + case 2: this._context.lineTo(this._x1, this._y1); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed + default: point(this, x, y); break; + } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + } + }; + + function basis(context) { + return new Basis(context); + } + + function BasisClosed(context) { + this._context = context; + } + + BasisClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x2, this._y2); + this._context.closePath(); + break; + } + case 2: { + this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3); + this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x2, this._y2); + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + break; + } + } + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._x2 = x, this._y2 = y; break; + case 1: this._point = 2; this._x3 = x, this._y3 = y; break; + case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break; + default: point(this, x, y); break; + } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + } + }; + + function basisClosed(context) { + return new BasisClosed(context); + } + + function BasisOpen(context) { + this._context = context; + } + + BasisOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = NaN; + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; + case 3: this._point = 4; // proceed + default: point(this, x, y); break; + } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + } + }; + + function basisOpen(context) { + return new BasisOpen(context); + } + + function Bundle(context, beta) { + this._basis = new Basis(context); + this._beta = beta; + } + + Bundle.prototype = { + lineStart: function() { + this._x = []; + this._y = []; + this._basis.lineStart(); + }, + lineEnd: function() { + var x = this._x, + y = this._y, + j = x.length - 1; + + if (j > 0) { + var x0 = x[0], + y0 = y[0], + dx = x[j] - x0, + dy = y[j] - y0, + i = -1, + t; + + while (++i <= j) { + t = i / j; + this._basis.point( + this._beta * x[i] + (1 - this._beta) * (x0 + t * dx), + this._beta * y[i] + (1 - this._beta) * (y0 + t * dy) + ); + } + } + + this._x = this._y = null; + this._basis.lineEnd(); + }, + point: function(x, y) { + this._x.push(+x); + this._y.push(+y); + } + }; + + var bundle = (function custom(beta) { + + function bundle(context) { + return beta === 1 ? new Basis(context) : new Bundle(context, beta); + } + + bundle.beta = function(beta) { + return custom(+beta); + }; + + return bundle; + })(0.85); + + function point$1(that, x, y) { + that._context.bezierCurveTo( + that._x1 + that._k * (that._x2 - that._x0), + that._y1 + that._k * (that._y2 - that._y0), + that._x2 + that._k * (that._x1 - x), + that._y2 + that._k * (that._y1 - y), + that._x2, + that._y2 + ); + } + + function Cardinal(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; + } + + Cardinal.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x2, this._y2); break; + case 3: point$1(this, this._x1, this._y1); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; this._x1 = x, this._y1 = y; break; + case 2: this._point = 3; // proceed + default: point$1(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } + }; + + var cardinal = (function custom(tension) { + + function cardinal(context) { + return new Cardinal(context, tension); + } + + cardinal.tension = function(tension) { + return custom(+tension); + }; + + return cardinal; + })(0); + + function CardinalClosed(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; + } + + CardinalClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 2: { + this._context.lineTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + this.point(this._x5, this._y5); + break; + } + } + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._x3 = x, this._y3 = y; break; + case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; + case 2: this._point = 3; this._x5 = x, this._y5 = y; break; + default: point$1(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } + }; + + var cardinalClosed = (function custom(tension) { + + function cardinal(context) { + return new CardinalClosed(context, tension); + } + + cardinal.tension = function(tension) { + return custom(+tension); + }; + + return cardinal; + })(0); + + function CardinalOpen(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; + } + + CardinalOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 3: this._point = 4; // proceed + default: point$1(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } + }; + + var cardinalOpen = (function custom(tension) { + + function cardinal(context) { + return new CardinalOpen(context, tension); + } + + cardinal.tension = function(tension) { + return custom(+tension); + }; + + return cardinal; + })(0); + + function point$2(that, x, y) { + var x1 = that._x1, + y1 = that._y1, + x2 = that._x2, + y2 = that._y2; + + if (that._l01_a > epsilon$1) { + var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a, + n = 3 * that._l01_a * (that._l01_a + that._l12_a); + x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n; + y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n; + } + + if (that._l23_a > epsilon$1) { + var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a, + m = 3 * that._l23_a * (that._l23_a + that._l12_a); + x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m; + y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m; + } + + that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2); + } + + function CatmullRom(context, alpha) { + this._context = context; + this._alpha = alpha; + } + + CatmullRom.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x2, this._y2); break; + case 3: this.point(this, this._x2, this._y2); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } + + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; // proceed + default: point$2(this, x, y); break; + } + + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } + }; + + var catmullRom = (function custom(alpha) { + + function catmullRom(context) { + return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); + } + + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; + + return catmullRom; + })(0.5); + + function CatmullRomClosed(context, alpha) { + this._context = context; + this._alpha = alpha; + } + + CatmullRomClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 2: { + this._context.lineTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + this.point(this._x5, this._y5); + break; + } + } + }, + point: function(x, y) { + x = +x, y = +y; + + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } + + switch (this._point) { + case 0: this._point = 1; this._x3 = x, this._y3 = y; break; + case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; + case 2: this._point = 3; this._x5 = x, this._y5 = y; break; + default: point$2(this, x, y); break; + } + + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } + }; + + var catmullRomClosed = (function custom(alpha) { + + function catmullRom(context) { + return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); + } + + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; + + return catmullRom; + })(0.5); + + function CatmullRomOpen(context, alpha) { + this._context = context; + this._alpha = alpha; + } + + CatmullRomOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } + + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 3: this._point = 4; // proceed + default: point$2(this, x, y); break; + } + + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } + }; + + var catmullRomOpen = (function custom(alpha) { + + function catmullRom(context) { + return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); + } + + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; + + return catmullRom; + })(0.5); + + function LinearClosed(context) { + this._context = context; + } + + LinearClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._point) this._context.closePath(); + }, + point: function(x, y) { + x = +x, y = +y; + if (this._point) this._context.lineTo(x, y); + else this._point = 1, this._context.moveTo(x, y); + } + }; + + function linearClosed(context) { + return new LinearClosed(context); + } + + function sign(x) { + return x < 0 ? -1 : 1; + } + + // Calculate the slopes of the tangents (Hermite-type interpolation) based on + // the following paper: Steffen, M. 1990. A Simple Method for Monotonic + // Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO. + // NOV(II), P. 443, 1990. + function slope3(that, x2, y2) { + var h0 = that._x1 - that._x0, + h1 = x2 - that._x1, + s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0), + s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0), + p = (s0 * h1 + s1 * h0) / (h0 + h1); + return (sign(s0) + sign(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0; + } + + // Calculate a one-sided slope. + function slope2(that, t) { + var h = that._x1 - that._x0; + return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t; + } + + // According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations + // "you can express cubic Hermite interpolation in terms of cubic Bézier curves + // with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1". + function point$3(that, t0, t1) { + var x0 = that._x0, + y0 = that._y0, + x1 = that._x1, + y1 = that._y1, + dx = (x1 - x0) / 3; + that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1); + } + + function MonotoneX(context) { + this._context = context; + } + + MonotoneX.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = + this._t0 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x1, this._y1); break; + case 3: point$3(this, this._t0, slope2(this, this._t0)); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + var t1 = NaN; + + x = +x, y = +y; + if (x === this._x1 && y === this._y1) return; // Ignore coincident points. + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; point$3(this, slope2(this, t1 = slope3(this, x, y)), t1); break; + default: point$3(this, this._t0, t1 = slope3(this, x, y)); break; + } + + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + this._t0 = t1; + } + } + + function MonotoneY(context) { + this._context = new ReflectContext(context); + } + + (MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) { + MonotoneX.prototype.point.call(this, y, x); + }; + + function ReflectContext(context) { + this._context = context; + } + + ReflectContext.prototype = { + moveTo: function(x, y) { this._context.moveTo(y, x); }, + closePath: function() { this._context.closePath(); }, + lineTo: function(x, y) { this._context.lineTo(y, x); }, + bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); } + }; + + function monotoneX(context) { + return new MonotoneX(context); + } + + function monotoneY(context) { + return new MonotoneY(context); + } + + function Natural(context) { + this._context = context; + } + + Natural.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x = []; + this._y = []; + }, + lineEnd: function() { + var x = this._x, + y = this._y, + n = x.length; + + if (n) { + this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]); + if (n === 2) { + this._context.lineTo(x[1], y[1]); + } else { + var px = controlPoints(x), + py = controlPoints(y); + for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) { + this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]); + } + } + } + + if (this._line || (this._line !== 0 && n === 1)) this._context.closePath(); + this._line = 1 - this._line; + this._x = this._y = null; + }, + point: function(x, y) { + this._x.push(+x); + this._y.push(+y); + } + }; + + // See https://www.particleincell.com/2012/bezier-splines/ for derivation. + function controlPoints(x) { + var i, + n = x.length - 1, + m, + a = new Array(n), + b = new Array(n), + r = new Array(n); + a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1]; + for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1]; + a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n]; + for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1]; + a[n - 1] = r[n - 1] / b[n - 1]; + for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i]; + b[n - 1] = (x[n] + a[n - 1]) / 2; + for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1]; + return [a, b]; + } + + function natural(context) { + return new Natural(context); + } + + function Step(context, t) { + this._context = context; + this._t = t; + } + + Step.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x = this._y = NaN; + this._point = 0; + }, + lineEnd: function() { + if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y); + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; // proceed + default: { + if (this._t <= 0) { + this._context.lineTo(this._x, y); + this._context.lineTo(x, y); + } else { + var x1 = this._x * (1 - this._t) + x * this._t; + this._context.lineTo(x1, this._y); + this._context.lineTo(x1, y); + } + break; + } + } + this._x = x, this._y = y; + } + }; + + function step(context) { + return new Step(context, 0.5); + } + + function stepBefore(context) { + return new Step(context, 0); + } + + function stepAfter(context) { + return new Step(context, 1); + } + + var slice$2 = Array.prototype.slice; + + function none(series, order) { + if (!((n = series.length) > 1)) return; + for (var i = 1, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { + s0 = s1, s1 = series[order[i]]; + for (var j = 0; j < m; ++j) { + s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; + } + } + } + + function none$1(series) { + var n = series.length, o = new Array(n); + while (--n >= 0) o[n] = n; + return o; + } + + function stackValue(d, key) { + return d[key]; + } + + function stack() { + var keys = constant$1([]), + order = none$1, + offset = none, + value = stackValue; + + function stack(data) { + var kz = keys.apply(this, arguments), + i, + m = data.length, + n = kz.length, + sz = new Array(n), + oz; + + for (i = 0; i < n; ++i) { + for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) { + si[j] = sij = [0, +value(data[j], ki, j, data)]; + sij.data = data[j]; + } + si.key = ki; + } + + for (i = 0, oz = order(sz); i < n; ++i) { + sz[oz[i]].index = i; + } + + offset(sz, oz); + return sz; + } + + stack.keys = function(_) { + return arguments.length ? (keys = typeof _ === "function" ? _ : constant$1(slice$2.call(_)), stack) : keys; + }; + + stack.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant$1(+_), stack) : value; + }; + + stack.order = function(_) { + return arguments.length ? (order = _ == null ? none$1 : typeof _ === "function" ? _ : constant$1(slice$2.call(_)), stack) : order; + }; + + stack.offset = function(_) { + return arguments.length ? (offset = _ == null ? none : _, stack) : offset; + }; + + return stack; + } + + function expand(series, order) { + if (!((n = series.length) > 0)) return; + for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { + for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; + if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; + } + none(series, order); + } + + function silhouette(series, order) { + if (!((n = series.length) > 0)) return; + for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { + for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; + s0[j][1] += s0[j][0] = -y / 2; + } + none(series, order); + } + + function wiggle(series, order) { + if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; + for (var y = 0, j = 1, s0, m, n; j < m; ++j) { + for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { + var si = series[order[i]], + sij0 = si[j][1] || 0, + sij1 = si[j - 1][1] || 0, + s3 = (sij0 - sij1) / 2; + for (var k = 0; k < i; ++k) { + var sk = series[order[k]], + skj0 = sk[j][1] || 0, + skj1 = sk[j - 1][1] || 0; + s3 += skj0 - skj1; + } + s1 += sij0, s2 += s3 * sij0; + } + s0[j - 1][1] += s0[j - 1][0] = y; + if (s1) y -= s2 / s1; + } + s0[j - 1][1] += s0[j - 1][0] = y; + none(series, order); + } + + function ascending$1(series) { + var sums = series.map(sum$1); + return none$1(series).sort(function(a, b) { return sums[a] - sums[b]; }); + } + + function sum$1(series) { + var s = 0, i = -1, n = series.length, v; + while (++i < n) if (v = +series[i][1]) s += v; + return s; + } + + function descending$2(series) { + return ascending$1(series).reverse(); + } + + function insideOut(series) { + var n = series.length, + i, + j, + sums = series.map(sum$1), + order = none$1(series).sort(function(a, b) { return sums[b] - sums[a]; }), + top = 0, + bottom = 0, + tops = [], + bottoms = []; + + for (i = 0; i < n; ++i) { + j = order[i]; + if (top < bottom) { + top += sums[j]; + tops.push(j); + } else { + bottom += sums[j]; + bottoms.push(j); + } + } + + return bottoms.reverse().concat(tops); + } + + function reverse(series) { + return none$1(series).reverse(); + } + + function define(constructor, factory, prototype) { + constructor.prototype = factory.prototype = prototype; + prototype.constructor = constructor; + } + + function extend(parent, definition) { + var prototype = Object.create(parent.prototype); + for (var key in definition) prototype[key] = definition[key]; + return prototype; + } + + function Color() {} + + var darker = 0.7; + var brighter = 1 / darker; + + var reHex3 = /^#([0-9a-f]{3})$/; + var reHex6 = /^#([0-9a-f]{6})$/; + var reRgbInteger = /^rgb\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*\)$/; + var reRgbPercent = /^rgb\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/; + var reRgbaInteger = /^rgba\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; + var reRgbaPercent = /^rgba\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; + var reHslPercent = /^hsl\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/; + var reHslaPercent = /^hsla\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; + var named = { + aliceblue: 0xf0f8ff, + antiquewhite: 0xfaebd7, + aqua: 0x00ffff, + aquamarine: 0x7fffd4, + azure: 0xf0ffff, + beige: 0xf5f5dc, + bisque: 0xffe4c4, + black: 0x000000, + blanchedalmond: 0xffebcd, + blue: 0x0000ff, + blueviolet: 0x8a2be2, + brown: 0xa52a2a, + burlywood: 0xdeb887, + cadetblue: 0x5f9ea0, + chartreuse: 0x7fff00, + chocolate: 0xd2691e, + coral: 0xff7f50, + cornflowerblue: 0x6495ed, + cornsilk: 0xfff8dc, + crimson: 0xdc143c, + cyan: 0x00ffff, + darkblue: 0x00008b, + darkcyan: 0x008b8b, + darkgoldenrod: 0xb8860b, + darkgray: 0xa9a9a9, + darkgreen: 0x006400, + darkgrey: 0xa9a9a9, + darkkhaki: 0xbdb76b, + darkmagenta: 0x8b008b, + darkolivegreen: 0x556b2f, + darkorange: 0xff8c00, + darkorchid: 0x9932cc, + darkred: 0x8b0000, + darksalmon: 0xe9967a, + darkseagreen: 0x8fbc8f, + darkslateblue: 0x483d8b, + darkslategray: 0x2f4f4f, + darkslategrey: 0x2f4f4f, + darkturquoise: 0x00ced1, + darkviolet: 0x9400d3, + deeppink: 0xff1493, + deepskyblue: 0x00bfff, + dimgray: 0x696969, + dimgrey: 0x696969, + dodgerblue: 0x1e90ff, + firebrick: 0xb22222, + floralwhite: 0xfffaf0, + forestgreen: 0x228b22, + fuchsia: 0xff00ff, + gainsboro: 0xdcdcdc, + ghostwhite: 0xf8f8ff, + gold: 0xffd700, + goldenrod: 0xdaa520, + gray: 0x808080, + green: 0x008000, + greenyellow: 0xadff2f, + grey: 0x808080, + honeydew: 0xf0fff0, + hotpink: 0xff69b4, + indianred: 0xcd5c5c, + indigo: 0x4b0082, + ivory: 0xfffff0, + khaki: 0xf0e68c, + lavender: 0xe6e6fa, + lavenderblush: 0xfff0f5, + lawngreen: 0x7cfc00, + lemonchiffon: 0xfffacd, + lightblue: 0xadd8e6, + lightcoral: 0xf08080, + lightcyan: 0xe0ffff, + lightgoldenrodyellow: 0xfafad2, + lightgray: 0xd3d3d3, + lightgreen: 0x90ee90, + lightgrey: 0xd3d3d3, + lightpink: 0xffb6c1, + lightsalmon: 0xffa07a, + lightseagreen: 0x20b2aa, + lightskyblue: 0x87cefa, + lightslategray: 0x778899, + lightslategrey: 0x778899, + lightsteelblue: 0xb0c4de, + lightyellow: 0xffffe0, + lime: 0x00ff00, + limegreen: 0x32cd32, + linen: 0xfaf0e6, + magenta: 0xff00ff, + maroon: 0x800000, + mediumaquamarine: 0x66cdaa, + mediumblue: 0x0000cd, + mediumorchid: 0xba55d3, + mediumpurple: 0x9370db, + mediumseagreen: 0x3cb371, + mediumslateblue: 0x7b68ee, + mediumspringgreen: 0x00fa9a, + mediumturquoise: 0x48d1cc, + mediumvioletred: 0xc71585, + midnightblue: 0x191970, + mintcream: 0xf5fffa, + mistyrose: 0xffe4e1, + moccasin: 0xffe4b5, + navajowhite: 0xffdead, + navy: 0x000080, + oldlace: 0xfdf5e6, + olive: 0x808000, + olivedrab: 0x6b8e23, + orange: 0xffa500, + orangered: 0xff4500, + orchid: 0xda70d6, + palegoldenrod: 0xeee8aa, + palegreen: 0x98fb98, + paleturquoise: 0xafeeee, + palevioletred: 0xdb7093, + papayawhip: 0xffefd5, + peachpuff: 0xffdab9, + peru: 0xcd853f, + pink: 0xffc0cb, + plum: 0xdda0dd, + powderblue: 0xb0e0e6, + purple: 0x800080, + rebeccapurple: 0x663399, + red: 0xff0000, + rosybrown: 0xbc8f8f, + royalblue: 0x4169e1, + saddlebrown: 0x8b4513, + salmon: 0xfa8072, + sandybrown: 0xf4a460, + seagreen: 0x2e8b57, + seashell: 0xfff5ee, + sienna: 0xa0522d, + silver: 0xc0c0c0, + skyblue: 0x87ceeb, + slateblue: 0x6a5acd, + slategray: 0x708090, + slategrey: 0x708090, + snow: 0xfffafa, + springgreen: 0x00ff7f, + steelblue: 0x4682b4, + tan: 0xd2b48c, + teal: 0x008080, + thistle: 0xd8bfd8, + tomato: 0xff6347, + turquoise: 0x40e0d0, + violet: 0xee82ee, + wheat: 0xf5deb3, + white: 0xffffff, + whitesmoke: 0xf5f5f5, + yellow: 0xffff00, + yellowgreen: 0x9acd32 + }; + + define(Color, color, { + displayable: function() { + return this.rgb().displayable(); + }, + toString: function() { + return this.rgb() + ""; + } + }); + + function color(format) { + var m; + format = (format + "").trim().toLowerCase(); + return (m = reHex3.exec(format)) ? (m = parseInt(m[1], 16), new Rgb((m >> 8 & 0xf) | (m >> 4 & 0x0f0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1)) // #f00 + : (m = reHex6.exec(format)) ? rgbn(parseInt(m[1], 16)) // #ff0000 + : (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0) + : (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%) + : (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1) + : (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1) + : (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%) + : (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1) + : named.hasOwnProperty(format) ? rgbn(named[format]) + : format === "transparent" ? new Rgb(NaN, NaN, NaN, 0) + : null; + } + + function rgbn(n) { + return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1); + } + + function rgba(r, g, b, a) { + if (a <= 0) r = g = b = NaN; + return new Rgb(r, g, b, a); + } + + function rgbConvert(o) { + if (!(o instanceof Color)) o = color(o); + if (!o) return new Rgb; + o = o.rgb(); + return new Rgb(o.r, o.g, o.b, o.opacity); + } + + function colorRgb(r, g, b, opacity) { + return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity); + } + + function Rgb(r, g, b, opacity) { + this.r = +r; + this.g = +g; + this.b = +b; + this.opacity = +opacity; + } + + define(Rgb, colorRgb, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); + }, + rgb: function() { + return this; + }, + displayable: function() { + return (0 <= this.r && this.r <= 255) + && (0 <= this.g && this.g <= 255) + && (0 <= this.b && this.b <= 255) + && (0 <= this.opacity && this.opacity <= 1); + }, + toString: function() { + var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); + return (a === 1 ? "rgb(" : "rgba(") + + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " + + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " + + Math.max(0, Math.min(255, Math.round(this.b) || 0)) + + (a === 1 ? ")" : ", " + a + ")"); + } + })); + + function hsla(h, s, l, a) { + if (a <= 0) h = s = l = NaN; + else if (l <= 0 || l >= 1) h = s = NaN; + else if (s <= 0) h = NaN; + return new Hsl(h, s, l, a); + } + + function hslConvert(o) { + if (o instanceof Hsl) return new Hsl(o.h, o.s, o.l, o.opacity); + if (!(o instanceof Color)) o = color(o); + if (!o) return new Hsl; + if (o instanceof Hsl) return o; + o = o.rgb(); + var r = o.r / 255, + g = o.g / 255, + b = o.b / 255, + min = Math.min(r, g, b), + max = Math.max(r, g, b), + h = NaN, + s = max - min, + l = (max + min) / 2; + if (s) { + if (r === max) h = (g - b) / s + (g < b) * 6; + else if (g === max) h = (b - r) / s + 2; + else h = (r - g) / s + 4; + s /= l < 0.5 ? max + min : 2 - max - min; + h *= 60; + } else { + s = l > 0 && l < 1 ? 0 : h; + } + return new Hsl(h, s, l, o.opacity); + } + + function colorHsl(h, s, l, opacity) { + return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity); + } + + function Hsl(h, s, l, opacity) { + this.h = +h; + this.s = +s; + this.l = +l; + this.opacity = +opacity; + } + + define(Hsl, colorHsl, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Hsl(this.h, this.s, this.l * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Hsl(this.h, this.s, this.l * k, this.opacity); + }, + rgb: function() { + var h = this.h % 360 + (this.h < 0) * 360, + s = isNaN(h) || isNaN(this.s) ? 0 : this.s, + l = this.l, + m2 = l + (l < 0.5 ? l : 1 - l) * s, + m1 = 2 * l - m2; + return new Rgb( + hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2), + hsl2rgb(h, m1, m2), + hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2), + this.opacity + ); + }, + displayable: function() { + return (0 <= this.s && this.s <= 1 || isNaN(this.s)) + && (0 <= this.l && this.l <= 1) + && (0 <= this.opacity && this.opacity <= 1); + } + })); + + /* From FvD 13.37, CSS Color Module Level 3 */ + function hsl2rgb(h, m1, m2) { + return (h < 60 ? m1 + (m2 - m1) * h / 60 + : h < 180 ? m2 + : h < 240 ? m1 + (m2 - m1) * (240 - h) / 60 + : m1) * 255; + } + + var deg2rad = Math.PI / 180; + var rad2deg = 180 / Math.PI; + + var Kn = 18; + var Xn = 0.950470; + var Yn = 1; + var Zn = 1.088830; + var t0 = 4 / 29; + var t1 = 6 / 29; + var t2 = 3 * t1 * t1; + var t3 = t1 * t1 * t1; + function labConvert(o) { + if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); + if (o instanceof Hcl) { + var h = o.h * deg2rad; + return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); + } + if (!(o instanceof Rgb)) o = rgbConvert(o); + var b = rgb2xyz(o.r), + a = rgb2xyz(o.g), + l = rgb2xyz(o.b), + x = xyz2lab((0.4124564 * b + 0.3575761 * a + 0.1804375 * l) / Xn), + y = xyz2lab((0.2126729 * b + 0.7151522 * a + 0.0721750 * l) / Yn), + z = xyz2lab((0.0193339 * b + 0.1191920 * a + 0.9503041 * l) / Zn); + return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity); + } + + function lab(l, a, b, opacity) { + return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity); + } + + function Lab(l, a, b, opacity) { + this.l = +l; + this.a = +a; + this.b = +b; + this.opacity = +opacity; + } + + define(Lab, lab, extend(Color, { + brighter: function(k) { + return new Lab(this.l + Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); + }, + darker: function(k) { + return new Lab(this.l - Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); + }, + rgb: function() { + var y = (this.l + 16) / 116, + x = isNaN(this.a) ? y : y + this.a / 500, + z = isNaN(this.b) ? y : y - this.b / 200; + y = Yn * lab2xyz(y); + x = Xn * lab2xyz(x); + z = Zn * lab2xyz(z); + return new Rgb( + xyz2rgb( 3.2404542 * x - 1.5371385 * y - 0.4985314 * z), // D65 -> sRGB + xyz2rgb(-0.9692660 * x + 1.8760108 * y + 0.0415560 * z), + xyz2rgb( 0.0556434 * x - 0.2040259 * y + 1.0572252 * z), + this.opacity + ); + } + })); + + function xyz2lab(t) { + return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0; + } + + function lab2xyz(t) { + return t > t1 ? t * t * t : t2 * (t - t0); + } + + function xyz2rgb(x) { + return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055); + } + + function rgb2xyz(x) { + return (x /= 255) <= 0.04045 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4); + } + + function hclConvert(o) { + if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); + if (!(o instanceof Lab)) o = labConvert(o); + var h = Math.atan2(o.b, o.a) * rad2deg; + return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); + } + + function colorHcl(h, c, l, opacity) { + return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity); + } + + function Hcl(h, c, l, opacity) { + this.h = +h; + this.c = +c; + this.l = +l; + this.opacity = +opacity; + } + + define(Hcl, colorHcl, extend(Color, { + brighter: function(k) { + return new Hcl(this.h, this.c, this.l + Kn * (k == null ? 1 : k), this.opacity); + }, + darker: function(k) { + return new Hcl(this.h, this.c, this.l - Kn * (k == null ? 1 : k), this.opacity); + }, + rgb: function() { + return labConvert(this).rgb(); + } + })); + + var A = -0.14861; + var B = +1.78277; + var C = -0.29227; + var D = -0.90649; + var E = +1.97294; + var ED = E * D; + var EB = E * B; + var BC_DA = B * C - D * A; + function cubehelixConvert(o) { + if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity); + if (!(o instanceof Rgb)) o = rgbConvert(o); + var r = o.r / 255, + g = o.g / 255, + b = o.b / 255, + l = (BC_DA * b + ED * r - EB * g) / (BC_DA + ED - EB), + bl = b - l, + k = (E * (g - l) - C * bl) / D, + s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1 + h = s ? Math.atan2(k, bl) * rad2deg - 120 : NaN; + return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity); + } + + function cubehelix(h, s, l, opacity) { + return arguments.length === 1 ? cubehelixConvert(h) : new Cubehelix(h, s, l, opacity == null ? 1 : opacity); + } + + function Cubehelix(h, s, l, opacity) { + this.h = +h; + this.s = +s; + this.l = +l; + this.opacity = +opacity; + } + + define(Cubehelix, cubehelix, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Cubehelix(this.h, this.s, this.l * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Cubehelix(this.h, this.s, this.l * k, this.opacity); + }, + rgb: function() { + var h = isNaN(this.h) ? 0 : (this.h + 120) * deg2rad, + l = +this.l, + a = isNaN(this.s) ? 0 : this.s * l * (1 - l), + cosh = Math.cos(h), + sinh = Math.sin(h); + return new Rgb( + 255 * (l + a * (A * cosh + B * sinh)), + 255 * (l + a * (C * cosh + D * sinh)), + 255 * (l + a * (E * cosh)), + this.opacity + ); + } + })); + + function basis$1(t1, v0, v1, v2, v3) { + var t2 = t1 * t1, t3 = t2 * t1; + return ((1 - 3 * t1 + 3 * t2 - t3) * v0 + + (4 - 6 * t2 + 3 * t3) * v1 + + (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2 + + t3 * v3) / 6; + } + + function basis$2(values) { + var n = values.length - 1; + return function(t) { + var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n), + v1 = values[i], + v2 = values[i + 1], + v0 = i > 0 ? values[i - 1] : 2 * v1 - v2, + v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; + return basis$1((t - i / n) * n, v0, v1, v2, v3); + }; + } + + function basisClosed$1(values) { + var n = values.length; + return function(t) { + var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n), + v0 = values[(i + n - 1) % n], + v1 = values[i % n], + v2 = values[(i + 1) % n], + v3 = values[(i + 2) % n]; + return basis$1((t - i / n) * n, v0, v1, v2, v3); + }; + } + + function constant$2(x) { + return function() { + return x; + }; + } + + function linear$1(a, d) { + return function(t) { + return a + t * d; + }; + } + + function exponential$1(a, b, y) { + return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) { + return Math.pow(a + t * b, y); + }; + } + + function hue(a, b) { + var d = b - a; + return d ? linear$1(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$2(isNaN(a) ? b : a); + } + + function gamma(y) { + return (y = +y) === 1 ? nogamma : function(a, b) { + return b - a ? exponential$1(a, b, y) : constant$2(isNaN(a) ? b : a); + }; + } + + function nogamma(a, b) { + var d = b - a; + return d ? linear$1(a, d) : constant$2(isNaN(a) ? b : a); + } + + var interpolateRgb = (function rgbGamma(y) { + var color = gamma(y); + + function rgb(start, end) { + var r = color((start = colorRgb(start)).r, (end = colorRgb(end)).r), + g = color(start.g, end.g), + b = color(start.b, end.b), + opacity = color(start.opacity, end.opacity); + return function(t) { + start.r = r(t); + start.g = g(t); + start.b = b(t); + start.opacity = opacity(t); + return start + ""; + }; + } + + rgb.gamma = rgbGamma; + + return rgb; + })(1); + + function rgbSpline(spline) { + return function(colors) { + var n = colors.length, + r = new Array(n), + g = new Array(n), + b = new Array(n), + i, color; + for (i = 0; i < n; ++i) { + color = colorRgb(colors[i]); + r[i] = color.r || 0; + g[i] = color.g || 0; + b[i] = color.b || 0; + } + r = spline(r); + g = spline(g); + b = spline(b); + color.opacity = 1; + return function(t) { + color.r = r(t); + color.g = g(t); + color.b = b(t); + return color + ""; + }; + }; + } + + var rgbBasis = rgbSpline(basis$2); + var rgbBasisClosed = rgbSpline(basisClosed$1); + + function array$1(a, b) { + var nb = b ? b.length : 0, + na = a ? Math.min(nb, a.length) : 0, + x = new Array(nb), + c = new Array(nb), + i; + + for (i = 0; i < na; ++i) x[i] = interpolate(a[i], b[i]); + for (; i < nb; ++i) c[i] = b[i]; + + return function(t) { + for (i = 0; i < na; ++i) c[i] = x[i](t); + return c; + }; + } + + function date(a, b) { + var d = new Date; + return a = +a, b -= a, function(t) { + return d.setTime(a + b * t), d; + }; + } + + function interpolateNumber(a, b) { + return a = +a, b -= a, function(t) { + return a + b * t; + }; + } + + function object(a, b) { + var i = {}, + c = {}, + k; + + if (a === null || typeof a !== "object") a = {}; + if (b === null || typeof b !== "object") b = {}; + + for (k in b) { + if (k in a) { + i[k] = interpolate(a[k], b[k]); + } else { + c[k] = b[k]; + } + } + + return function(t) { + for (k in i) c[k] = i[k](t); + return c; + }; + } + + var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; + var reB = new RegExp(reA.source, "g"); + function zero(b) { + return function() { + return b; + }; + } + + function one(b) { + return function(t) { + return b(t) + ""; + }; + } + + function interpolateString(a, b) { + var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b + am, // current match in a + bm, // current match in b + bs, // string preceding current number in b, if any + i = -1, // index in s + s = [], // string constants and placeholders + q = []; // number interpolators + + // Coerce inputs to strings. + a = a + "", b = b + ""; + + // Interpolate pairs of numbers in a & b. + while ((am = reA.exec(a)) + && (bm = reB.exec(b))) { + if ((bs = bm.index) > bi) { // a string precedes the next number in b + bs = b.slice(bi, bs); + if (s[i]) s[i] += bs; // coalesce with previous string + else s[++i] = bs; + } + if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match + if (s[i]) s[i] += bm; // coalesce with previous string + else s[++i] = bm; + } else { // interpolate non-matching numbers + s[++i] = null; + q.push({i: i, x: interpolateNumber(am, bm)}); + } + bi = reB.lastIndex; + } + + // Add remains of b. + if (bi < b.length) { + bs = b.slice(bi); + if (s[i]) s[i] += bs; // coalesce with previous string + else s[++i] = bs; + } + + // Special optimization for only a single match. + // Otherwise, interpolate each of the numbers and rejoin the string. + return s.length < 2 ? (q[0] + ? one(q[0].x) + : zero(b)) + : (b = q.length, function(t) { + for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); + return s.join(""); + }); + } + + function interpolate(a, b) { + var t = typeof b, c; + return b == null || t === "boolean" ? constant$2(b) + : (t === "number" ? interpolateNumber + : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) + : b instanceof color ? interpolateRgb + : b instanceof Date ? date + : Array.isArray(b) ? array$1 + : isNaN(b) ? object + : interpolateNumber)(a, b); + } + + function interpolateRound(a, b) { + return a = +a, b -= a, function(t) { + return Math.round(a + b * t); + }; + } + + var degrees = 180 / Math.PI; + + var identity$2 = { + translateX: 0, + translateY: 0, + rotate: 0, + skewX: 0, + scaleX: 1, + scaleY: 1 + }; + + function decompose(a, b, c, d, e, f) { + var scaleX, scaleY, skewX; + if (scaleX = Math.sqrt(a * a + b * b)) a /= scaleX, b /= scaleX; + if (skewX = a * c + b * d) c -= a * skewX, d -= b * skewX; + if (scaleY = Math.sqrt(c * c + d * d)) c /= scaleY, d /= scaleY, skewX /= scaleY; + if (a * d < b * c) a = -a, b = -b, skewX = -skewX, scaleX = -scaleX; + return { + translateX: e, + translateY: f, + rotate: Math.atan2(b, a) * degrees, + skewX: Math.atan(skewX) * degrees, + scaleX: scaleX, + scaleY: scaleY + }; + } + + var cssNode; + var cssRoot; + var cssView; + var svgNode; + function parseCss(value) { + if (value === "none") return identity$2; + if (!cssNode) cssNode = document.createElement("DIV"), cssRoot = document.documentElement, cssView = document.defaultView; + cssNode.style.transform = value; + value = cssView.getComputedStyle(cssRoot.appendChild(cssNode), null).getPropertyValue("transform"); + cssRoot.removeChild(cssNode); + value = value.slice(7, -1).split(","); + return decompose(+value[0], +value[1], +value[2], +value[3], +value[4], +value[5]); + } + + function parseSvg(value) { + if (value == null) return identity$2; + if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g"); + svgNode.setAttribute("transform", value); + if (!(value = svgNode.transform.baseVal.consolidate())) return identity$2; + value = value.matrix; + return decompose(value.a, value.b, value.c, value.d, value.e, value.f); + } + + function interpolateTransform(parse, pxComma, pxParen, degParen) { + + function pop(s) { + return s.length ? s.pop() + " " : ""; + } + + function translate(xa, ya, xb, yb, s, q) { + if (xa !== xb || ya !== yb) { + var i = s.push("translate(", null, pxComma, null, pxParen); + q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); + } else if (xb || yb) { + s.push("translate(" + xb + pxComma + yb + pxParen); + } + } + + function rotate(a, b, s, q) { + if (a !== b) { + if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path + q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: interpolateNumber(a, b)}); + } else if (b) { + s.push(pop(s) + "rotate(" + b + degParen); + } + } + + function skewX(a, b, s, q) { + if (a !== b) { + q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: interpolateNumber(a, b)}); + } else if (b) { + s.push(pop(s) + "skewX(" + b + degParen); + } + } + + function scale(xa, ya, xb, yb, s, q) { + if (xa !== xb || ya !== yb) { + var i = s.push(pop(s) + "scale(", null, ",", null, ")"); + q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); + } else if (xb !== 1 || yb !== 1) { + s.push(pop(s) + "scale(" + xb + "," + yb + ")"); + } + } + + return function(a, b) { + var s = [], // string constants and placeholders + q = []; // number interpolators + a = parse(a), b = parse(b); + translate(a.translateX, a.translateY, b.translateX, b.translateY, s, q); + rotate(a.rotate, b.rotate, s, q); + skewX(a.skewX, b.skewX, s, q); + scale(a.scaleX, a.scaleY, b.scaleX, b.scaleY, s, q); + a = b = null; // gc + return function(t) { + var i = -1, n = q.length, o; + while (++i < n) s[(o = q[i]).i] = o.x(t); + return s.join(""); + }; + }; + } + + var interpolateTransform$1 = interpolateTransform(parseCss, "px, ", "px)", "deg)"); + var interpolateTransform$2 = interpolateTransform(parseSvg, ", ", ")", ")"); + + var rho = Math.SQRT2; + var rho2 = 2; + var rho4 = 4; + var epsilon2 = 1e-12; + function cosh(x) { + return ((x = Math.exp(x)) + 1 / x) / 2; + } + + function sinh(x) { + return ((x = Math.exp(x)) - 1 / x) / 2; + } + + function tanh(x) { + return ((x = Math.exp(2 * x)) - 1) / (x + 1); + } + + // p0 = [ux0, uy0, w0] + // p1 = [ux1, uy1, w1] + function interpolateZoom(p0, p1) { + var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], + ux1 = p1[0], uy1 = p1[1], w1 = p1[2], + dx = ux1 - ux0, + dy = uy1 - uy0, + d2 = dx * dx + dy * dy, + i, + S; + + // Special case for u0 ≅ u1. + if (d2 < epsilon2) { + S = Math.log(w1 / w0) / rho; + i = function(t) { + return [ + ux0 + t * dx, + uy0 + t * dy, + w0 * Math.exp(rho * t * S) + ]; + } + } + + // General case. + else { + var d1 = Math.sqrt(d2), + b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), + b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), + r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), + r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); + S = (r1 - r0) / rho; + i = function(t) { + var s = t * S, + coshr0 = cosh(r0), + u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0)); + return [ + ux0 + u * dx, + uy0 + u * dy, + w0 * coshr0 / cosh(rho * s + r0) + ]; + } + } + + i.duration = S * 1000; + + return i; + } + + function hsl(hue) { + return function(start, end) { + var h = hue((start = colorHsl(start)).h, (end = colorHsl(end)).h), + s = nogamma(start.s, end.s), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.s = s(t); + start.l = l(t); + start.opacity = opacity(t); + return start + ""; + }; + } + } + + var hsl$1 = hsl(hue); + var hslLong = hsl(nogamma); + + function lab$1(start, end) { + var l = nogamma((start = lab(start)).l, (end = lab(end)).l), + a = nogamma(start.a, end.a), + b = nogamma(start.b, end.b), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.l = l(t); + start.a = a(t); + start.b = b(t); + start.opacity = opacity(t); + return start + ""; + }; + } + + function hcl(hue) { + return function(start, end) { + var h = hue((start = colorHcl(start)).h, (end = colorHcl(end)).h), + c = nogamma(start.c, end.c), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.c = c(t); + start.l = l(t); + start.opacity = opacity(t); + return start + ""; + }; + } + } + + var hcl$1 = hcl(hue); + var hclLong = hcl(nogamma); + + function cubehelix$1(hue) { + return (function cubehelixGamma(y) { + y = +y; + + function cubehelix$$(start, end) { + var h = hue((start = cubehelix(start)).h, (end = cubehelix(end)).h), + s = nogamma(start.s, end.s), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.s = s(t); + start.l = l(Math.pow(t, y)); + start.opacity = opacity(t); + return start + ""; + }; + } + + cubehelix$$.gamma = cubehelixGamma; + + return cubehelix$$; + })(1); + } + + var cubehelix$2 = cubehelix$1(hue); + var interpolateCubehelixLong = cubehelix$1(nogamma); + + function quantize(interpolator, n) { + var samples = new Array(n); + for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); + return samples; + } + + var noop$1 = {value: function() {}}; + + function dispatch() { + for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { + if (!(t = arguments[i] + "") || (t in _)) throw new Error("illegal type: " + t); + _[t] = []; + } + return new Dispatch(_); + } + + function Dispatch(_) { + this._ = _; + } + + function parseTypenames(typenames, types) { + return typenames.trim().split(/^|\s+/).map(function(t) { + var name = "", i = t.indexOf("."); + if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); + if (t && !types.hasOwnProperty(t)) throw new Error("unknown type: " + t); + return {type: t, name: name}; + }); + } + + Dispatch.prototype = dispatch.prototype = { + constructor: Dispatch, + on: function(typename, callback) { + var _ = this._, + T = parseTypenames(typename + "", _), + t, + i = -1, + n = T.length; + + // If no callback was specified, return the callback of the given type and name. + if (arguments.length < 2) { + while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t; + return; + } + + // If a type was specified, set the callback for the given type and name. + // Otherwise, if a null callback was specified, remove callbacks of the given name. + if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback); + while (++i < n) { + if (t = (typename = T[i]).type) _[t] = set$1(_[t], typename.name, callback); + else if (callback == null) for (t in _) _[t] = set$1(_[t], typename.name, null); + } + + return this; + }, + copy: function() { + var copy = {}, _ = this._; + for (var t in _) copy[t] = _[t].slice(); + return new Dispatch(copy); + }, + call: function(type, that) { + if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) args[i] = arguments[i + 2]; + if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); + for (t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); + }, + apply: function(type, that, args) { + if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); + for (var t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); + } + }; + + function get(type, name) { + for (var i = 0, n = type.length, c; i < n; ++i) { + if ((c = type[i]).name === name) { + return c.value; + } + } + } + + function set$1(type, name, callback) { + for (var i = 0, n = type.length; i < n; ++i) { + if (type[i].name === name) { + type[i] = noop$1, type = type.slice(0, i).concat(type.slice(i + 1)); + break; + } + } + if (callback != null) type.push({name: name, value: callback}); + return type; + } + + function objectConverter(columns) { + return new Function("d", "return {" + columns.map(function(name, i) { + return JSON.stringify(name) + ": d[" + i + "]"; + }).join(",") + "}"); + } + + function customConverter(columns, f) { + var object = objectConverter(columns); + return function(row, i) { + return f(object(row), i, columns); + }; + } + + // Compute unique columns in order of discovery. + function inferColumns(rows) { + var columnSet = Object.create(null), + columns = []; + + rows.forEach(function(row) { + for (var column in row) { + if (!(column in columnSet)) { + columns.push(columnSet[column] = column); + } + } + }); + + return columns; + } + + function dsv(delimiter) { + var reFormat = new RegExp("[\"" + delimiter + "\n]"), + delimiterCode = delimiter.charCodeAt(0); + + function parse(text, f) { + var convert, columns, rows = parseRows(text, function(row, i) { + if (convert) return convert(row, i - 1); + columns = row, convert = f ? customConverter(row, f) : objectConverter(row); + }); + rows.columns = columns; + return rows; + } + + function parseRows(text, f) { + var EOL = {}, // sentinel value for end-of-line + EOF = {}, // sentinel value for end-of-file + rows = [], // output rows + N = text.length, + I = 0, // current character index + n = 0, // the current line number + t, // the current token + eol; // is the current token followed by EOL? + + function token() { + if (I >= N) return EOF; // special case: end of file + if (eol) return eol = false, EOL; // special case: end of line + + // special case: quotes + var j = I, c; + if (text.charCodeAt(j) === 34) { + var i = j; + while (i++ < N) { + if (text.charCodeAt(i) === 34) { + if (text.charCodeAt(i + 1) !== 34) break; + ++i; + } + } + I = i + 2; + c = text.charCodeAt(i + 1); + if (c === 13) { + eol = true; + if (text.charCodeAt(i + 2) === 10) ++I; + } else if (c === 10) { + eol = true; + } + return text.slice(j + 1, i).replace(/""/g, "\""); + } + + // common case: find next delimiter or newline + while (I < N) { + var k = 1; + c = text.charCodeAt(I++); + if (c === 10) eol = true; // \n + else if (c === 13) { eol = true; if (text.charCodeAt(I) === 10) ++I, ++k; } // \r|\r\n + else if (c !== delimiterCode) continue; + return text.slice(j, I - k); + } + + // special case: last token before EOF + return text.slice(j); + } + + while ((t = token()) !== EOF) { + var a = []; + while (t !== EOL && t !== EOF) { + a.push(t); + t = token(); + } + if (f && (a = f(a, n++)) == null) continue; + rows.push(a); + } + + return rows; + } + + function format(rows, columns) { + if (columns == null) columns = inferColumns(rows); + return [columns.map(formatValue).join(delimiter)].concat(rows.map(function(row) { + return columns.map(function(column) { + return formatValue(row[column]); + }).join(delimiter); + })).join("\n"); + } + + function formatRows(rows) { + return rows.map(formatRow).join("\n"); + } + + function formatRow(row) { + return row.map(formatValue).join(delimiter); + } + + function formatValue(text) { + return text == null ? "" + : reFormat.test(text += "") ? "\"" + text.replace(/\"/g, "\"\"") + "\"" + : text; + } + + return { + parse: parse, + parseRows: parseRows, + format: format, + formatRows: formatRows + }; + } + + var csv = dsv(","); + + var csvParse = csv.parse; + var csvParseRows = csv.parseRows; + var csvFormat = csv.format; + var csvFormatRows = csv.formatRows; + + var tsv = dsv("\t"); + + var tsvParse = tsv.parse; + var tsvParseRows = tsv.parseRows; + var tsvFormat = tsv.format; + var tsvFormatRows = tsv.formatRows; + + function request(url, callback) { + var request, + event = dispatch("beforesend", "progress", "load", "error"), + mimeType, + headers = map$1(), + xhr = new XMLHttpRequest, + user = null, + password = null, + response, + responseType, + timeout = 0; + + // If IE does not support CORS, use XDomainRequest. + if (typeof XDomainRequest !== "undefined" + && !("withCredentials" in xhr) + && /^(http(s)?:)?\/\//.test(url)) xhr = new XDomainRequest; + + "onload" in xhr + ? xhr.onload = xhr.onerror = xhr.ontimeout = respond + : xhr.onreadystatechange = function(o) { xhr.readyState > 3 && respond(o); }; + + function respond(o) { + var status = xhr.status, result; + if (!status && hasResponse(xhr) + || status >= 200 && status < 300 + || status === 304) { + if (response) { + try { + result = response.call(request, xhr); + } catch (e) { + event.call("error", request, e); + return; + } + } else { + result = xhr; + } + event.call("load", request, result); + } else { + event.call("error", request, o); + } + } + + xhr.onprogress = function(e) { + event.call("progress", request, e); + }; + + request = { + header: function(name, value) { + name = (name + "").toLowerCase(); + if (arguments.length < 2) return headers.get(name); + if (value == null) headers.remove(name); + else headers.set(name, value + ""); + return request; + }, + + // If mimeType is non-null and no Accept header is set, a default is used. + mimeType: function(value) { + if (!arguments.length) return mimeType; + mimeType = value == null ? null : value + ""; + return request; + }, + + // Specifies what type the response value should take; + // for instance, arraybuffer, blob, document, or text. + responseType: function(value) { + if (!arguments.length) return responseType; + responseType = value; + return request; + }, + + timeout: function(value) { + if (!arguments.length) return timeout; + timeout = +value; + return request; + }, + + user: function(value) { + return arguments.length < 1 ? user : (user = value == null ? null : value + "", request); + }, + + password: function(value) { + return arguments.length < 1 ? password : (password = value == null ? null : value + "", request); + }, + + // Specify how to convert the response content to a specific type; + // changes the callback value on "load" events. + response: function(value) { + response = value; + return request; + }, + + // Alias for send("GET", …). + get: function(data, callback) { + return request.send("GET", data, callback); + }, + + // Alias for send("POST", …). + post: function(data, callback) { + return request.send("POST", data, callback); + }, + + // If callback is non-null, it will be used for error and load events. + send: function(method, data, callback) { + if (!callback && typeof data === "function") callback = data, data = null; + if (callback && callback.length === 1) callback = fixCallback(callback); + xhr.open(method, url, true, user, password); + if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*"); + if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); }); + if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType); + if (responseType != null) xhr.responseType = responseType; + if (timeout > 0) xhr.timeout = timeout; + if (callback) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); }); + event.call("beforesend", request, xhr); + xhr.send(data == null ? null : data); + return request; + }, + + abort: function() { + xhr.abort(); + return request; + }, + + on: function() { + var value = event.on.apply(event, arguments); + return value === event ? request : value; + } + }; + + return callback + ? request.get(callback) + : request; + } + + function fixCallback(callback) { + return function(error, xhr) { + callback(error == null ? xhr : null); + }; + } + + function hasResponse(xhr) { + var type = xhr.responseType; + return type && type !== "text" + ? xhr.response // null on error + : xhr.responseText; // "" on error + } + + function type(defaultMimeType, response) { + return function(url, callback) { + var r = request(url).mimeType(defaultMimeType).response(response); + return callback ? r.get(callback) : r; + }; + } + + var html = type("text/html", function(xhr) { + return document.createRange().createContextualFragment(xhr.responseText); + }); + + var json = type("application/json", function(xhr) { + return JSON.parse(xhr.responseText); + }); + + var text = type("text/plain", function(xhr) { + return xhr.responseText; + }); + + var xml = type("application/xml", function(xhr) { + var xml = xhr.responseXML; + if (!xml) throw new Error("parse error"); + return xml; + }); + + function dsv$1(defaultMimeType, parse) { + return function(url, row, callback) { + if (arguments.length < 3) callback = row, row = null; + var r = request(url).mimeType(defaultMimeType); + r.row = function(_) { return arguments.length ? r.response(responseOf(parse, row = _)) : row; }; + r.row(row); + return callback ? r.get(callback) : r; + }; + } + + function responseOf(parse, row) { + return function(request) { + return parse(request.responseText, row); + }; + } + + var csv$1 = dsv$1("text/csv", csvParse); + + var tsv$1 = dsv$1("text/tab-separated-values", tsvParse); + + var frame = 0; + var timeout = 0; + var interval = 0; + var pokeDelay = 1000; + var taskHead; + var taskTail; + var clockLast = 0; + var clockNow = 0; + var clockSkew = 0; + var clock = typeof performance === "object" && performance.now ? performance : Date; + var setFrame = typeof requestAnimationFrame === "function" + ? (clock === Date ? function(f) { requestAnimationFrame(function() { f(clock.now()); }); } : requestAnimationFrame) + : function(f) { setTimeout(f, 17); }; + function now() { + return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew); + } + + function clearNow() { + clockNow = 0; + } + + function Timer() { + this._call = + this._time = + this._next = null; + } + + Timer.prototype = timer.prototype = { + constructor: Timer, + restart: function(callback, delay, time) { + if (typeof callback !== "function") throw new TypeError("callback is not a function"); + time = (time == null ? now() : +time) + (delay == null ? 0 : +delay); + if (!this._next && taskTail !== this) { + if (taskTail) taskTail._next = this; + else taskHead = this; + taskTail = this; + } + this._call = callback; + this._time = time; + sleep(); + }, + stop: function() { + if (this._call) { + this._call = null; + this._time = Infinity; + sleep(); + } + } + }; + + function timer(callback, delay, time) { + var t = new Timer; + t.restart(callback, delay, time); + return t; + } + + function timerFlush() { + now(); // Get the current time, if not already set. + ++frame; // Pretend we’ve set an alarm, if we haven’t already. + var t = taskHead, e; + while (t) { + if ((e = clockNow - t._time) >= 0) t._call.call(null, e); + t = t._next; + } + --frame; + } + + function wake(time) { + clockNow = (clockLast = time || clock.now()) + clockSkew; + frame = timeout = 0; + try { + timerFlush(); + } finally { + frame = 0; + nap(); + clockNow = 0; + } + } + + function poke$1() { + var now = clock.now(), delay = now - clockLast; + if (delay > pokeDelay) clockSkew -= delay, clockLast = now; + } + + function nap() { + var t0, t1 = taskHead, t2, time = Infinity; + while (t1) { + if (t1._call) { + if (time > t1._time) time = t1._time; + t0 = t1, t1 = t1._next; + } else { + t2 = t1._next, t1._next = null; + t1 = t0 ? t0._next = t2 : taskHead = t2; + } + } + taskTail = t0; + sleep(time); + } + + function sleep(time) { + if (frame) return; // Soonest alarm already set, or will be. + if (timeout) timeout = clearTimeout(timeout); + var delay = time - clockNow; + if (delay > 24) { + if (time < Infinity) timeout = setTimeout(wake, delay); + if (interval) interval = clearInterval(interval); + } else { + if (!interval) interval = setInterval(poke$1, pokeDelay); + frame = 1, setFrame(wake); + } + } + + function timeout$1(callback, delay, time) { + var t = new Timer; + delay = delay == null ? 0 : +delay; + t.restart(function(elapsed) { + t.stop(); + callback(elapsed + delay); + }, delay, time); + return t; + } + + function interval$1(callback, delay, time) { + var t = new Timer, total = delay; + if (delay == null) return t.restart(callback, delay, time), t; + delay = +delay, time = time == null ? now() : +time; + t.restart(function tick(elapsed) { + elapsed += total; + t.restart(tick, total += delay, time); + callback(elapsed); + }, delay, time); + return t; + } + +var t0$1 = new Date; +var t1$1 = new Date; + function newInterval(floori, offseti, count, field) { + + function interval(date) { + return floori(date = new Date(+date)), date; + } + + interval.floor = interval; + + interval.ceil = function(date) { + return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; + }; + + interval.round = function(date) { + var d0 = interval(date), + d1 = interval.ceil(date); + return date - d0 < d1 - date ? d0 : d1; + }; + + interval.offset = function(date, step) { + return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; + }; + + interval.range = function(start, stop, step) { + var range = []; + start = interval.ceil(start); + step = step == null ? 1 : Math.floor(step); + if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date + do range.push(new Date(+start)); while (offseti(start, step), floori(start), start < stop) + return range; + }; + + interval.filter = function(test) { + return newInterval(function(date) { + while (floori(date), !test(date)) date.setTime(date - 1); + }, function(date, step) { + while (--step >= 0) while (offseti(date, 1), !test(date)); + }); + }; + + if (count) { + interval.count = function(start, end) { + t0$1.setTime(+start), t1$1.setTime(+end); + floori(t0$1), floori(t1$1); + return Math.floor(count(t0$1, t1$1)); + }; + + interval.every = function(step) { + step = Math.floor(step); + return !isFinite(step) || !(step > 0) ? null + : !(step > 1) ? interval + : interval.filter(field + ? function(d) { return field(d) % step === 0; } + : function(d) { return interval.count(0, d) % step === 0; }); + }; + } + + return interval; + } + + var millisecond = newInterval(function() { + // noop + }, function(date, step) { + date.setTime(+date + step); + }, function(start, end) { + return end - start; + }); + + // An optimized implementation for this simple case. + millisecond.every = function(k) { + k = Math.floor(k); + if (!isFinite(k) || !(k > 0)) return null; + if (!(k > 1)) return millisecond; + return newInterval(function(date) { + date.setTime(Math.floor(date / k) * k); + }, function(date, step) { + date.setTime(+date + step * k); + }, function(start, end) { + return (end - start) / k; + }); + }; + + var milliseconds = millisecond.range; + + var durationSecond = 1e3; + var durationMinute = 6e4; + var durationHour = 36e5; + var durationDay = 864e5; + var durationWeek = 6048e5; + + var second = newInterval(function(date) { + date.setTime(Math.floor(date / durationSecond) * durationSecond); + }, function(date, step) { + date.setTime(+date + step * durationSecond); + }, function(start, end) { + return (end - start) / durationSecond; + }, function(date) { + return date.getUTCSeconds(); + }); + + var seconds = second.range; + + var minute = newInterval(function(date) { + date.setTime(Math.floor(date / durationMinute) * durationMinute); + }, function(date, step) { + date.setTime(+date + step * durationMinute); + }, function(start, end) { + return (end - start) / durationMinute; + }, function(date) { + return date.getMinutes(); + }); + + var minutes = minute.range; + + var hour = newInterval(function(date) { + var offset = date.getTimezoneOffset() * durationMinute % durationHour; + if (offset < 0) offset += durationHour; + date.setTime(Math.floor((+date - offset) / durationHour) * durationHour + offset); + }, function(date, step) { + date.setTime(+date + step * durationHour); + }, function(start, end) { + return (end - start) / durationHour; + }, function(date) { + return date.getHours(); + }); + + var hours = hour.range; + + var day = newInterval(function(date) { + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setDate(date.getDate() + step); + }, function(start, end) { + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay; + }, function(date) { + return date.getDate() - 1; + }); + + var days = day.range; + + function weekday(i) { + return newInterval(function(date) { + date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setDate(date.getDate() + step * 7); + }, function(start, end) { + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; + }); + } + + var timeWeek = weekday(0); + var timeMonday = weekday(1); + var tuesday = weekday(2); + var wednesday = weekday(3); + var thursday = weekday(4); + var friday = weekday(5); + var saturday = weekday(6); + + var sundays = timeWeek.range; + var mondays = timeMonday.range; + var tuesdays = tuesday.range; + var wednesdays = wednesday.range; + var thursdays = thursday.range; + var fridays = friday.range; + var saturdays = saturday.range; + + var month = newInterval(function(date) { + date.setDate(1); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setMonth(date.getMonth() + step); + }, function(start, end) { + return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; + }, function(date) { + return date.getMonth(); + }); + + var months = month.range; + + var year = newInterval(function(date) { + date.setMonth(0, 1); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setFullYear(date.getFullYear() + step); + }, function(start, end) { + return end.getFullYear() - start.getFullYear(); + }, function(date) { + return date.getFullYear(); + }); + + // An optimized implementation for this simple case. + year.every = function(k) { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { + date.setFullYear(Math.floor(date.getFullYear() / k) * k); + date.setMonth(0, 1); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setFullYear(date.getFullYear() + step * k); + }); + }; + + var years = year.range; + + var utcMinute = newInterval(function(date) { + date.setUTCSeconds(0, 0); + }, function(date, step) { + date.setTime(+date + step * durationMinute); + }, function(start, end) { + return (end - start) / durationMinute; + }, function(date) { + return date.getUTCMinutes(); + }); + + var utcMinutes = utcMinute.range; + + var utcHour = newInterval(function(date) { + date.setUTCMinutes(0, 0, 0); + }, function(date, step) { + date.setTime(+date + step * durationHour); + }, function(start, end) { + return (end - start) / durationHour; + }, function(date) { + return date.getUTCHours(); + }); + + var utcHours = utcHour.range; + + var utcDay = newInterval(function(date) { + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCDate(date.getUTCDate() + step); + }, function(start, end) { + return (end - start) / durationDay; + }, function(date) { + return date.getUTCDate() - 1; + }); + + var utcDays = utcDay.range; + + function utcWeekday(i) { + return newInterval(function(date) { + date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCDate(date.getUTCDate() + step * 7); + }, function(start, end) { + return (end - start) / durationWeek; + }); + } + + var utcWeek = utcWeekday(0); + var utcMonday = utcWeekday(1); + var utcTuesday = utcWeekday(2); + var utcWednesday = utcWeekday(3); + var utcThursday = utcWeekday(4); + var utcFriday = utcWeekday(5); + var utcSaturday = utcWeekday(6); + + var utcSundays = utcWeek.range; + var utcMondays = utcMonday.range; + var utcTuesdays = utcTuesday.range; + var utcWednesdays = utcWednesday.range; + var utcThursdays = utcThursday.range; + var utcFridays = utcFriday.range; + var utcSaturdays = utcSaturday.range; + + var utcMonth = newInterval(function(date) { + date.setUTCDate(1); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCMonth(date.getUTCMonth() + step); + }, function(start, end) { + return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; + }, function(date) { + return date.getUTCMonth(); + }); + + var utcMonths = utcMonth.range; + + var utcYear = newInterval(function(date) { + date.setUTCMonth(0, 1); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCFullYear(date.getUTCFullYear() + step); + }, function(start, end) { + return end.getUTCFullYear() - start.getUTCFullYear(); + }, function(date) { + return date.getUTCFullYear(); + }); + + // An optimized implementation for this simple case. + utcYear.every = function(k) { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { + date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); + date.setUTCMonth(0, 1); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCFullYear(date.getUTCFullYear() + step * k); + }); + }; + + var utcYears = utcYear.range; + + // Computes the decimal coefficient and exponent of the specified number x with + // significant digits p, where x is positive and p is in [1, 21] or undefined. + // For example, formatDecimal(1.23) returns ["123", 0]. + function formatDecimal(x, p) { + if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity + var i, coefficient = x.slice(0, i); + + // The string returned by toExponential either has the form \d\.\d+e[-+]\d+ + // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3). + return [ + coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, + +x.slice(i + 1) + ]; + } + + function exponent$1(x) { + return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; + } + + function formatGroup(grouping, thousands) { + return function(value, width) { + var i = value.length, + t = [], + j = 0, + g = grouping[0], + length = 0; + + while (i > 0 && g > 0) { + if (length + g + 1 > width) g = Math.max(1, width - length); + t.push(value.substring(i -= g, i + g)); + if ((length += g + 1) > width) break; + g = grouping[j = (j + 1) % grouping.length]; + } + + return t.reverse().join(thousands); + }; + } + + function formatDefault(x, p) { + x = x.toPrecision(p); + + out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) { + switch (x[i]) { + case ".": i0 = i1 = i; break; + case "0": if (i0 === 0) i0 = i; i1 = i; break; + case "e": break out; + default: if (i0 > 0) i0 = 0; break; + } + } + + return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x; + } + + var prefixExponent; + + function formatPrefixAuto(x, p) { + var d = formatDecimal(x, p); + if (!d) return x + ""; + var coefficient = d[0], + exponent = d[1], + i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, + n = coefficient.length; + return i === n ? coefficient + : i > n ? coefficient + new Array(i - n + 1).join("0") + : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) + : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y! + } + + function formatRounded(x, p) { + var d = formatDecimal(x, p); + if (!d) return x + ""; + var coefficient = d[0], + exponent = d[1]; + return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient + : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) + : coefficient + new Array(exponent - coefficient.length + 2).join("0"); + } + + var formatTypes = { + "": formatDefault, + "%": function(x, p) { return (x * 100).toFixed(p); }, + "b": function(x) { return Math.round(x).toString(2); }, + "c": function(x) { return x + ""; }, + "d": function(x) { return Math.round(x).toString(10); }, + "e": function(x, p) { return x.toExponential(p); }, + "f": function(x, p) { return x.toFixed(p); }, + "g": function(x, p) { return x.toPrecision(p); }, + "o": function(x) { return Math.round(x).toString(8); }, + "p": function(x, p) { return formatRounded(x * 100, p); }, + "r": formatRounded, + "s": formatPrefixAuto, + "X": function(x) { return Math.round(x).toString(16).toUpperCase(); }, + "x": function(x) { return Math.round(x).toString(16); } + }; + + // [[fill]align][sign][symbol][0][width][,][.precision][type] + var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i; + + function formatSpecifier(specifier) { + return new FormatSpecifier(specifier); + } + + function FormatSpecifier(specifier) { + if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); + + var match, + fill = match[1] || " ", + align = match[2] || ">", + sign = match[3] || "-", + symbol = match[4] || "", + zero = !!match[5], + width = match[6] && +match[6], + comma = !!match[7], + precision = match[8] && +match[8].slice(1), + type = match[9] || ""; + + // The "n" type is an alias for ",g". + if (type === "n") comma = true, type = "g"; + + // Map invalid types to the default format. + else if (!formatTypes[type]) type = ""; + + // If zero fill is specified, padding goes after sign and before digits. + if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; + + this.fill = fill; + this.align = align; + this.sign = sign; + this.symbol = symbol; + this.zero = zero; + this.width = width; + this.comma = comma; + this.precision = precision; + this.type = type; + } + + FormatSpecifier.prototype.toString = function() { + return this.fill + + this.align + + this.sign + + this.symbol + + (this.zero ? "0" : "") + + (this.width == null ? "" : Math.max(1, this.width | 0)) + + (this.comma ? "," : "") + + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0)) + + this.type; + }; + + var prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; + + function identity$3(x) { + return x; + } + + function formatLocale(locale) { + var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, + currency = locale.currency, + decimal = locale.decimal; + + function newFormat(specifier) { + specifier = formatSpecifier(specifier); + + var fill = specifier.fill, + align = specifier.align, + sign = specifier.sign, + symbol = specifier.symbol, + zero = specifier.zero, + width = specifier.width, + comma = specifier.comma, + precision = specifier.precision, + type = specifier.type; + + // Compute the prefix and suffix. + // For SI-prefix, the suffix is lazily computed. + var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", + suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? "%" : ""; + + // What format function should we use? + // Is this an integer type? + // Can this type generate exponential notation? + var formatType = formatTypes[type], + maybeSuffix = !type || /[defgprs%]/.test(type); + + // Set the default precision if not specified, + // or clamp the specified precision to the supported range. + // For significant precision, it must be in [1, 21]. + // For fixed precision, it must be in [0, 20]. + precision = precision == null ? (type ? 6 : 12) + : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) + : Math.max(0, Math.min(20, precision)); + + function format(value) { + var valuePrefix = prefix, + valueSuffix = suffix, + i, n, c; + + if (type === "c") { + valueSuffix = formatType(value) + valueSuffix; + value = ""; + } else { + value = +value; + + // Convert negative to positive, and compute the prefix. + // Note that -0 is not less than 0, but 1 / -0 is! + var valueNegative = (value < 0 || 1 / value < 0) && (value *= -1, true); + + // Perform the initial formatting. + value = formatType(value, precision); + + // If the original value was negative, it may be rounded to zero during + // formatting; treat this as (positive) zero. + if (valueNegative) { + i = -1, n = value.length; + valueNegative = false; + while (++i < n) { + if (c = value.charCodeAt(i), (48 < c && c < 58) + || (type === "x" && 96 < c && c < 103) + || (type === "X" && 64 < c && c < 71)) { + valueNegative = true; + break; + } + } + } + + // Compute the prefix and suffix. + valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; + valueSuffix = valueSuffix + (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + (valueNegative && sign === "(" ? ")" : ""); + + // Break the formatted value into the integer “value” part that can be + // grouped, and fractional or exponential “suffix” part that is not. + if (maybeSuffix) { + i = -1, n = value.length; + while (++i < n) { + if (c = value.charCodeAt(i), 48 > c || c > 57) { + valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix; + value = value.slice(0, i); + break; + } + } + } + } + + // If the fill character is not "0", grouping is applied before padding. + if (comma && !zero) value = group(value, Infinity); + + // Compute the padding. + var length = valuePrefix.length + value.length + valueSuffix.length, + padding = length < width ? new Array(width - length + 1).join(fill) : ""; + + // If the fill character is "0", grouping is applied after padding. + if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; + + // Reconstruct the final output based on the desired alignment. + switch (align) { + case "<": return valuePrefix + value + valueSuffix + padding; + case "=": return valuePrefix + padding + value + valueSuffix; + case "^": return padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); + } + return padding + valuePrefix + value + valueSuffix; + } + + format.toString = function() { + return specifier + ""; + }; + + return format; + } + + function formatPrefix(specifier, value) { + var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), + e = Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3, + k = Math.pow(10, -e), + prefix = prefixes[8 + e / 3]; + return function(value) { + return f(k * value) + prefix; + }; + } + + return { + format: newFormat, + formatPrefix: formatPrefix + }; + } + + var locale; + exports.format; + exports.formatPrefix; + + defaultLocale({ + decimal: ".", + thousands: ",", + grouping: [3], + currency: ["$", ""] + }); + + function defaultLocale(definition) { + locale = formatLocale(definition); + exports.format = locale.format; + exports.formatPrefix = locale.formatPrefix; + return locale; + } + + function precisionFixed(step) { + return Math.max(0, -exponent$1(Math.abs(step))); + } + + function precisionPrefix(step, value) { + return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step))); + } + + function precisionRound(step, max) { + step = Math.abs(step), max = Math.abs(max) - step; + return Math.max(0, exponent$1(max) - exponent$1(step)) + 1; + } + + function localDate(d) { + if (0 <= d.y && d.y < 100) { + var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); + date.setFullYear(d.y); + return date; + } + return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L); + } + + function utcDate(d) { + if (0 <= d.y && d.y < 100) { + var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L)); + date.setUTCFullYear(d.y); + return date; + } + return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); + } + + function newYear(y) { + return {y: y, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0}; + } + + function formatLocale$1(locale) { + var locale_dateTime = locale.dateTime, + locale_date = locale.date, + locale_time = locale.time, + locale_periods = locale.periods, + locale_weekdays = locale.days, + locale_shortWeekdays = locale.shortDays, + locale_months = locale.months, + locale_shortMonths = locale.shortMonths; + + var periodRe = formatRe(locale_periods), + periodLookup = formatLookup(locale_periods), + weekdayRe = formatRe(locale_weekdays), + weekdayLookup = formatLookup(locale_weekdays), + shortWeekdayRe = formatRe(locale_shortWeekdays), + shortWeekdayLookup = formatLookup(locale_shortWeekdays), + monthRe = formatRe(locale_months), + monthLookup = formatLookup(locale_months), + shortMonthRe = formatRe(locale_shortMonths), + shortMonthLookup = formatLookup(locale_shortMonths); + + var formats = { + "a": formatShortWeekday, + "A": formatWeekday, + "b": formatShortMonth, + "B": formatMonth, + "c": null, + "d": formatDayOfMonth, + "e": formatDayOfMonth, + "H": formatHour24, + "I": formatHour12, + "j": formatDayOfYear, + "L": formatMilliseconds, + "m": formatMonthNumber, + "M": formatMinutes, + "p": formatPeriod, + "S": formatSeconds, + "U": formatWeekNumberSunday, + "w": formatWeekdayNumber, + "W": formatWeekNumberMonday, + "x": null, + "X": null, + "y": formatYear, + "Y": formatFullYear, + "Z": formatZone, + "%": formatLiteralPercent + }; + + var utcFormats = { + "a": formatUTCShortWeekday, + "A": formatUTCWeekday, + "b": formatUTCShortMonth, + "B": formatUTCMonth, + "c": null, + "d": formatUTCDayOfMonth, + "e": formatUTCDayOfMonth, + "H": formatUTCHour24, + "I": formatUTCHour12, + "j": formatUTCDayOfYear, + "L": formatUTCMilliseconds, + "m": formatUTCMonthNumber, + "M": formatUTCMinutes, + "p": formatUTCPeriod, + "S": formatUTCSeconds, + "U": formatUTCWeekNumberSunday, + "w": formatUTCWeekdayNumber, + "W": formatUTCWeekNumberMonday, + "x": null, + "X": null, + "y": formatUTCYear, + "Y": formatUTCFullYear, + "Z": formatUTCZone, + "%": formatLiteralPercent + }; + + var parses = { + "a": parseShortWeekday, + "A": parseWeekday, + "b": parseShortMonth, + "B": parseMonth, + "c": parseLocaleDateTime, + "d": parseDayOfMonth, + "e": parseDayOfMonth, + "H": parseHour24, + "I": parseHour24, + "j": parseDayOfYear, + "L": parseMilliseconds, + "m": parseMonthNumber, + "M": parseMinutes, + "p": parsePeriod, + "S": parseSeconds, + "U": parseWeekNumberSunday, + "w": parseWeekdayNumber, + "W": parseWeekNumberMonday, + "x": parseLocaleDate, + "X": parseLocaleTime, + "y": parseYear, + "Y": parseFullYear, + "Z": parseZone, + "%": parseLiteralPercent + }; + + // These recursive directive definitions must be deferred. + formats.x = newFormat(locale_date, formats); + formats.X = newFormat(locale_time, formats); + formats.c = newFormat(locale_dateTime, formats); + utcFormats.x = newFormat(locale_date, utcFormats); + utcFormats.X = newFormat(locale_time, utcFormats); + utcFormats.c = newFormat(locale_dateTime, utcFormats); + + function newFormat(specifier, formats) { + return function(date) { + var string = [], + i = -1, + j = 0, + n = specifier.length, + c, + pad, + format; + + if (!(date instanceof Date)) date = new Date(+date); + + while (++i < n) { + if (specifier.charCodeAt(i) === 37) { + string.push(specifier.slice(j, i)); + if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i); + else pad = c === "e" ? " " : "0"; + if (format = formats[c]) c = format(date, pad); + string.push(c); + j = i + 1; + } + } + + string.push(specifier.slice(j, i)); + return string.join(""); + }; + } + + function newParse(specifier, newDate) { + return function(string) { + var d = newYear(1900), + i = parseSpecifier(d, specifier, string += "", 0); + if (i != string.length) return null; + + // The am-pm flag is 0 for AM, and 1 for PM. + if ("p" in d) d.H = d.H % 12 + d.p * 12; + + // Convert day-of-week and week-of-year to day-of-year. + if ("W" in d || "U" in d) { + if (!("w" in d)) d.w = "W" in d ? 1 : 0; + var day = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay(); + d.m = 0; + d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day + 5) % 7 : d.w + d.U * 7 - (day + 6) % 7; + } + + // If a time zone is specified, all fields are interpreted as UTC and then + // offset according to the specified time zone. + if ("Z" in d) { + d.H += d.Z / 100 | 0; + d.M += d.Z % 100; + return utcDate(d); + } + + // Otherwise, all fields are in local time. + return newDate(d); + }; + } + + function parseSpecifier(d, specifier, string, j) { + var i = 0, + n = specifier.length, + m = string.length, + c, + parse; + + while (i < n) { + if (j >= m) return -1; + c = specifier.charCodeAt(i++); + if (c === 37) { + c = specifier.charAt(i++); + parse = parses[c in pads ? specifier.charAt(i++) : c]; + if (!parse || ((j = parse(d, string, j)) < 0)) return -1; + } else if (c != string.charCodeAt(j++)) { + return -1; + } + } + + return j; + } + + function parsePeriod(d, string, i) { + var n = periodRe.exec(string.slice(i)); + return n ? (d.p = periodLookup[n[0].toLowerCase()], i + n[0].length) : -1; + } + + function parseShortWeekday(d, string, i) { + var n = shortWeekdayRe.exec(string.slice(i)); + return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; + } + + function parseWeekday(d, string, i) { + var n = weekdayRe.exec(string.slice(i)); + return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; + } + + function parseShortMonth(d, string, i) { + var n = shortMonthRe.exec(string.slice(i)); + return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1; + } + + function parseMonth(d, string, i) { + var n = monthRe.exec(string.slice(i)); + return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1; + } + + function parseLocaleDateTime(d, string, i) { + return parseSpecifier(d, locale_dateTime, string, i); + } + + function parseLocaleDate(d, string, i) { + return parseSpecifier(d, locale_date, string, i); + } + + function parseLocaleTime(d, string, i) { + return parseSpecifier(d, locale_time, string, i); + } + + function formatShortWeekday(d) { + return locale_shortWeekdays[d.getDay()]; + } + + function formatWeekday(d) { + return locale_weekdays[d.getDay()]; + } + + function formatShortMonth(d) { + return locale_shortMonths[d.getMonth()]; + } + + function formatMonth(d) { + return locale_months[d.getMonth()]; + } + + function formatPeriod(d) { + return locale_periods[+(d.getHours() >= 12)]; + } + + function formatUTCShortWeekday(d) { + return locale_shortWeekdays[d.getUTCDay()]; + } + + function formatUTCWeekday(d) { + return locale_weekdays[d.getUTCDay()]; + } + + function formatUTCShortMonth(d) { + return locale_shortMonths[d.getUTCMonth()]; + } + + function formatUTCMonth(d) { + return locale_months[d.getUTCMonth()]; + } + + function formatUTCPeriod(d) { + return locale_periods[+(d.getUTCHours() >= 12)]; + } + + return { + format: function(specifier) { + var f = newFormat(specifier += "", formats); + f.toString = function() { return specifier; }; + return f; + }, + parse: function(specifier) { + var p = newParse(specifier += "", localDate); + p.toString = function() { return specifier; }; + return p; + }, + utcFormat: function(specifier) { + var f = newFormat(specifier += "", utcFormats); + f.toString = function() { return specifier; }; + return f; + }, + utcParse: function(specifier) { + var p = newParse(specifier, utcDate); + p.toString = function() { return specifier; }; + return p; + } + }; + } + + var pads = {"-": "", "_": " ", "0": "0"}; + var numberRe = /^\s*\d+/; + var percentRe = /^%/; + var requoteRe = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; + function pad(value, fill, width) { + var sign = value < 0 ? "-" : "", + string = (sign ? -value : value) + "", + length = string.length; + return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); + } + + function requote(s) { + return s.replace(requoteRe, "\\$&"); + } + + function formatRe(names) { + return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i"); + } + + function formatLookup(names) { + var map = {}, i = -1, n = names.length; + while (++i < n) map[names[i].toLowerCase()] = i; + return map; + } + + function parseWeekdayNumber(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 1)); + return n ? (d.w = +n[0], i + n[0].length) : -1; + } + + function parseWeekNumberSunday(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.U = +n[0], i + n[0].length) : -1; + } + + function parseWeekNumberMonday(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.W = +n[0], i + n[0].length) : -1; + } + + function parseFullYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 4)); + return n ? (d.y = +n[0], i + n[0].length) : -1; + } + + function parseYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1; + } + + function parseZone(d, string, i) { + var n = /^(Z)|([+-]\d\d)(?:\:?(\d\d))?/.exec(string.slice(i, i + 6)); + return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; + } + + function parseMonthNumber(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.m = n[0] - 1, i + n[0].length) : -1; + } + + function parseDayOfMonth(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.d = +n[0], i + n[0].length) : -1; + } + + function parseDayOfYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 3)); + return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1; + } + + function parseHour24(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.H = +n[0], i + n[0].length) : -1; + } + + function parseMinutes(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.M = +n[0], i + n[0].length) : -1; + } + + function parseSeconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.S = +n[0], i + n[0].length) : -1; + } + + function parseMilliseconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 3)); + return n ? (d.L = +n[0], i + n[0].length) : -1; + } + + function parseLiteralPercent(d, string, i) { + var n = percentRe.exec(string.slice(i, i + 1)); + return n ? i + n[0].length : -1; + } + + function formatDayOfMonth(d, p) { + return pad(d.getDate(), p, 2); + } + + function formatHour24(d, p) { + return pad(d.getHours(), p, 2); + } + + function formatHour12(d, p) { + return pad(d.getHours() % 12 || 12, p, 2); + } + + function formatDayOfYear(d, p) { + return pad(1 + day.count(year(d), d), p, 3); + } + + function formatMilliseconds(d, p) { + return pad(d.getMilliseconds(), p, 3); + } + + function formatMonthNumber(d, p) { + return pad(d.getMonth() + 1, p, 2); + } + + function formatMinutes(d, p) { + return pad(d.getMinutes(), p, 2); + } + + function formatSeconds(d, p) { + return pad(d.getSeconds(), p, 2); + } + + function formatWeekNumberSunday(d, p) { + return pad(timeWeek.count(year(d), d), p, 2); + } + + function formatWeekdayNumber(d) { + return d.getDay(); + } + + function formatWeekNumberMonday(d, p) { + return pad(timeMonday.count(year(d), d), p, 2); + } + + function formatYear(d, p) { + return pad(d.getFullYear() % 100, p, 2); + } + + function formatFullYear(d, p) { + return pad(d.getFullYear() % 10000, p, 4); + } + + function formatZone(d) { + var z = d.getTimezoneOffset(); + return (z > 0 ? "-" : (z *= -1, "+")) + + pad(z / 60 | 0, "0", 2) + + pad(z % 60, "0", 2); + } + + function formatUTCDayOfMonth(d, p) { + return pad(d.getUTCDate(), p, 2); + } + + function formatUTCHour24(d, p) { + return pad(d.getUTCHours(), p, 2); + } + + function formatUTCHour12(d, p) { + return pad(d.getUTCHours() % 12 || 12, p, 2); + } + + function formatUTCDayOfYear(d, p) { + return pad(1 + utcDay.count(utcYear(d), d), p, 3); + } + + function formatUTCMilliseconds(d, p) { + return pad(d.getUTCMilliseconds(), p, 3); + } + + function formatUTCMonthNumber(d, p) { + return pad(d.getUTCMonth() + 1, p, 2); + } + + function formatUTCMinutes(d, p) { + return pad(d.getUTCMinutes(), p, 2); + } + + function formatUTCSeconds(d, p) { + return pad(d.getUTCSeconds(), p, 2); + } + + function formatUTCWeekNumberSunday(d, p) { + return pad(utcWeek.count(utcYear(d), d), p, 2); + } + + function formatUTCWeekdayNumber(d) { + return d.getUTCDay(); + } + + function formatUTCWeekNumberMonday(d, p) { + return pad(utcMonday.count(utcYear(d), d), p, 2); + } + + function formatUTCYear(d, p) { + return pad(d.getUTCFullYear() % 100, p, 2); + } + + function formatUTCFullYear(d, p) { + return pad(d.getUTCFullYear() % 10000, p, 4); + } + + function formatUTCZone() { + return "+0000"; + } + + function formatLiteralPercent() { + return "%"; + } + + var locale$1; + exports.timeFormat; + exports.timeParse; + exports.utcFormat; + exports.utcParse; + + defaultLocale$1({ + dateTime: "%x, %X", + date: "%-m/%-d/%Y", + time: "%-I:%M:%S %p", + periods: ["AM", "PM"], + days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], + shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], + months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], + shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"] + }); + + function defaultLocale$1(definition) { + locale$1 = formatLocale$1(definition); + exports.timeFormat = locale$1.format; + exports.timeParse = locale$1.parse; + exports.utcFormat = locale$1.utcFormat; + exports.utcParse = locale$1.utcParse; + return locale$1; + } + + var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; + + function formatIsoNative(date) { + return date.toISOString(); + } + + var formatIso = Date.prototype.toISOString + ? formatIsoNative + : exports.utcFormat(isoSpecifier); + + function parseIsoNative(string) { + var date = new Date(string); + return isNaN(date) ? null : date; + } + + var parseIso = +new Date("2000-01-01T00:00:00.000Z") + ? parseIsoNative + : exports.utcParse(isoSpecifier); + + var array$2 = Array.prototype; + + var map$2 = array$2.map; + var slice$3 = array$2.slice; + + var implicit = {name: "implicit"}; + + function ordinal(range) { + var index = map$1(), + domain = [], + unknown = implicit; + + range = range == null ? [] : slice$3.call(range); + + function scale(d) { + var key = d + "", i = index.get(key); + if (!i) { + if (unknown !== implicit) return unknown; + index.set(key, i = domain.push(d)); + } + return range[(i - 1) % range.length]; + } + + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = [], index = map$1(); + var i = -1, n = _.length, d, key; + while (++i < n) if (!index.has(key = (d = _[i]) + "")) index.set(key, domain.push(d)); + return scale; + }; + + scale.range = function(_) { + return arguments.length ? (range = slice$3.call(_), scale) : range.slice(); + }; + + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + + scale.copy = function() { + return ordinal() + .domain(domain) + .range(range) + .unknown(unknown); + }; + + return scale; + } + + function band() { + var scale = ordinal().unknown(undefined), + domain = scale.domain, + ordinalRange = scale.range, + range$$ = [0, 1], + step, + bandwidth, + round = false, + paddingInner = 0, + paddingOuter = 0, + align = 0.5; + + delete scale.unknown; + + function rescale() { + var n = domain().length, + reverse = range$$[1] < range$$[0], + start = range$$[reverse - 0], + stop = range$$[1 - reverse]; + step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); + if (round) step = Math.floor(step); + start += (stop - start - step * (n - paddingInner)) * align; + bandwidth = step * (1 - paddingInner); + if (round) start = Math.round(start), bandwidth = Math.round(bandwidth); + var values = range(n).map(function(i) { return start + step * i; }); + return ordinalRange(reverse ? values.reverse() : values); + } + + scale.domain = function(_) { + return arguments.length ? (domain(_), rescale()) : domain(); + }; + + scale.range = function(_) { + return arguments.length ? (range$$ = [+_[0], +_[1]], rescale()) : range$$.slice(); + }; + + scale.rangeRound = function(_) { + return range$$ = [+_[0], +_[1]], round = true, rescale(); + }; + + scale.bandwidth = function() { + return bandwidth; + }; + + scale.step = function() { + return step; + }; + + scale.round = function(_) { + return arguments.length ? (round = !!_, rescale()) : round; + }; + + scale.padding = function(_) { + return arguments.length ? (paddingInner = paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; + }; + + scale.paddingInner = function(_) { + return arguments.length ? (paddingInner = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; + }; + + scale.paddingOuter = function(_) { + return arguments.length ? (paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingOuter; + }; + + scale.align = function(_) { + return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align; + }; + + scale.copy = function() { + return band() + .domain(domain()) + .range(range$$) + .round(round) + .paddingInner(paddingInner) + .paddingOuter(paddingOuter) + .align(align); + }; + + return rescale(); + } + + function pointish(scale) { + var copy = scale.copy; + + scale.padding = scale.paddingOuter; + delete scale.paddingInner; + delete scale.paddingOuter; + + scale.copy = function() { + return pointish(copy()); + }; + + return scale; + } + + function point$4() { + return pointish(band().paddingInner(1)); + } + + function constant$3(x) { + return function() { + return x; + }; + } + + function number$1(x) { + return +x; + } + + var unit = [0, 1]; + + function deinterpolate(a, b) { + return (b -= (a = +a)) + ? function(x) { return (x - a) / b; } + : constant$3(b); + } + + function deinterpolateClamp(deinterpolate) { + return function(a, b) { + var d = deinterpolate(a = +a, b = +b); + return function(x) { return x <= a ? 0 : x >= b ? 1 : d(x); }; + }; + } + + function reinterpolateClamp(reinterpolate) { + return function(a, b) { + var r = reinterpolate(a = +a, b = +b); + return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; + }; + } + + function bimap(domain, range, deinterpolate, reinterpolate) { + var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; + if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); + else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); + return function(x) { return r0(d0(x)); }; + } + + function polymap(domain, range, deinterpolate, reinterpolate) { + var j = Math.min(domain.length, range.length) - 1, + d = new Array(j), + r = new Array(j), + i = -1; + + // Reverse descending domains. + if (domain[j] < domain[0]) { + domain = domain.slice().reverse(); + range = range.slice().reverse(); + } + + while (++i < j) { + d[i] = deinterpolate(domain[i], domain[i + 1]); + r[i] = reinterpolate(range[i], range[i + 1]); + } + + return function(x) { + var i = bisectRight(domain, x, 1, j) - 1; + return r[i](d[i](x)); + }; + } + + function copy(source, target) { + return target + .domain(source.domain()) + .range(source.range()) + .interpolate(source.interpolate()) + .clamp(source.clamp()); + } + + // deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. + // reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. + function continuous(deinterpolate$$, reinterpolate) { + var domain = unit, + range = unit, + interpolate$$ = interpolate, + clamp = false, + piecewise, + output, + input; + + function rescale() { + piecewise = Math.min(domain.length, range.length) > 2 ? polymap : bimap; + output = input = null; + return scale; + } + + function scale(x) { + return (output || (output = piecewise(domain, range, clamp ? deinterpolateClamp(deinterpolate$$) : deinterpolate$$, interpolate$$)))(+x); + } + + scale.invert = function(y) { + return (input || (input = piecewise(range, domain, deinterpolate, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); + }; + + scale.domain = function(_) { + return arguments.length ? (domain = map$2.call(_, number$1), rescale()) : domain.slice(); + }; + + scale.range = function(_) { + return arguments.length ? (range = slice$3.call(_), rescale()) : range.slice(); + }; + + scale.rangeRound = function(_) { + return range = slice$3.call(_), interpolate$$ = interpolateRound, rescale(); + }; + + scale.clamp = function(_) { + return arguments.length ? (clamp = !!_, rescale()) : clamp; + }; + + scale.interpolate = function(_) { + return arguments.length ? (interpolate$$ = _, rescale()) : interpolate$$; + }; + + return rescale(); + } + + function tickFormat(domain, count, specifier) { + var start = domain[0], + stop = domain[domain.length - 1], + step = tickStep(start, stop, count == null ? 10 : count), + precision; + specifier = formatSpecifier(specifier == null ? ",f" : specifier); + switch (specifier.type) { + case "s": { + var value = Math.max(Math.abs(start), Math.abs(stop)); + if (specifier.precision == null && !isNaN(precision = precisionPrefix(step, value))) specifier.precision = precision; + return exports.formatPrefix(specifier, value); + } + case "": + case "e": + case "g": + case "p": + case "r": { + if (specifier.precision == null && !isNaN(precision = precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === "e"); + break; + } + case "f": + case "%": { + if (specifier.precision == null && !isNaN(precision = precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2; + break; + } + } + return exports.format(specifier); + } + + function linearish(scale) { + var domain = scale.domain; + + scale.ticks = function(count) { + var d = domain(); + return ticks(d[0], d[d.length - 1], count == null ? 10 : count); + }; + + scale.tickFormat = function(count, specifier) { + return tickFormat(domain(), count, specifier); + }; + + scale.nice = function(count) { + var d = domain(), + i = d.length - 1, + n = count == null ? 10 : count, + start = d[0], + stop = d[i], + step = tickStep(start, stop, n); + + if (step) { + step = tickStep(Math.floor(start / step) * step, Math.ceil(stop / step) * step, n); + d[0] = Math.floor(start / step) * step; + d[i] = Math.ceil(stop / step) * step; + domain(d); + } + + return scale; + }; + + return scale; + } + + function linear$2() { + var scale = continuous(deinterpolate, interpolateNumber); + + scale.copy = function() { + return copy(scale, linear$2()); + }; + + return linearish(scale); + } + + function identity$4() { + var domain = [0, 1]; + + function scale(x) { + return +x; + } + + scale.invert = scale; + + scale.domain = scale.range = function(_) { + return arguments.length ? (domain = map$2.call(_, number$1), scale) : domain.slice(); + }; + + scale.copy = function() { + return identity$4().domain(domain); + }; + + return linearish(scale); + } + + function nice(domain, interval) { + domain = domain.slice(); + + var i0 = 0, + i1 = domain.length - 1, + x0 = domain[i0], + x1 = domain[i1], + t; + + if (x1 < x0) { + t = i0, i0 = i1, i1 = t; + t = x0, x0 = x1, x1 = t; + } + + domain[i0] = interval.floor(x0); + domain[i1] = interval.ceil(x1); + return domain; + } + + function deinterpolate$1(a, b) { + return (b = Math.log(b / a)) + ? function(x) { return Math.log(x / a) / b; } + : constant$3(b); + } + + function reinterpolate(a, b) { + return a < 0 + ? function(t) { return -Math.pow(-b, t) * Math.pow(-a, 1 - t); } + : function(t) { return Math.pow(b, t) * Math.pow(a, 1 - t); }; + } + + function pow10(x) { + return isFinite(x) ? +("1e" + x) : x < 0 ? 0 : x; + } + + function powp(base) { + return base === 10 ? pow10 + : base === Math.E ? Math.exp + : function(x) { return Math.pow(base, x); }; + } + + function logp(base) { + return base === Math.E ? Math.log + : base === 10 && Math.log10 + || base === 2 && Math.log2 + || (base = Math.log(base), function(x) { return Math.log(x) / base; }); + } + + function reflect(f) { + return function(x) { + return -f(-x); + }; + } + + function log() { + var scale = continuous(deinterpolate$1, reinterpolate).domain([1, 10]), + domain = scale.domain, + base = 10, + logs = logp(10), + pows = powp(10); + + function rescale() { + logs = logp(base), pows = powp(base); + if (domain()[0] < 0) logs = reflect(logs), pows = reflect(pows); + return scale; + } + + scale.base = function(_) { + return arguments.length ? (base = +_, rescale()) : base; + }; + + scale.domain = function(_) { + return arguments.length ? (domain(_), rescale()) : domain(); + }; + + scale.ticks = function(count) { + var d = domain(), + u = d[0], + v = d[d.length - 1], + r; + + if (r = v < u) i = u, u = v, v = i; + + var i = logs(u), + j = logs(v), + p, + k, + t, + n = count == null ? 10 : +count, + z = []; + + if (!(base % 1) && j - i < n) { + i = Math.round(i) - 1, j = Math.round(j) + 1; + if (u > 0) for (; i < j; ++i) { + for (k = 1, p = pows(i); k < base; ++k) { + t = p * k; + if (t < u) continue; + if (t > v) break; + z.push(t); + } + } else for (; i < j; ++i) { + for (k = base - 1, p = pows(i); k >= 1; --k) { + t = p * k; + if (t < u) continue; + if (t > v) break; + z.push(t); + } + } + } else { + z = ticks(i, j, Math.min(j - i, n)).map(pows); + } + + return r ? z.reverse() : z; + }; + + scale.tickFormat = function(count, specifier) { + if (specifier == null) specifier = base === 10 ? ".0e" : ","; + if (typeof specifier !== "function") specifier = exports.format(specifier); + if (count === Infinity) return specifier; + if (count == null) count = 10; + var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate? + return function(d) { + var i = d / pows(Math.round(logs(d))); + if (i * base < base - 0.5) i *= base; + return i <= k ? specifier(d) : ""; + }; + }; + + scale.nice = function() { + return domain(nice(domain(), { + floor: function(x) { return pows(Math.floor(logs(x))); }, + ceil: function(x) { return pows(Math.ceil(logs(x))); } + })); + }; + + scale.copy = function() { + return copy(scale, log().base(base)); + }; + + return scale; + } + + function raise(x, exponent) { + return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); + } + + function pow() { + var exponent = 1, + scale = continuous(deinterpolate, reinterpolate), + domain = scale.domain; + + function deinterpolate(a, b) { + return (b = raise(b, exponent) - (a = raise(a, exponent))) + ? function(x) { return (raise(x, exponent) - a) / b; } + : constant$3(b); + } + + function reinterpolate(a, b) { + b = raise(b, exponent) - (a = raise(a, exponent)); + return function(t) { return raise(a + b * t, 1 / exponent); }; + } + + scale.exponent = function(_) { + return arguments.length ? (exponent = +_, domain(domain())) : exponent; + }; + + scale.copy = function() { + return copy(scale, pow().exponent(exponent)); + }; + + return linearish(scale); + } + + function sqrt() { + return pow().exponent(0.5); + } + + function quantile() { + var domain = [], + range = [], + thresholds = []; + + function rescale() { + var i = 0, n = Math.max(1, range.length); + thresholds = new Array(n - 1); + while (++i < n) thresholds[i - 1] = threshold(domain, i / n); + return scale; + } + + function scale(x) { + if (!isNaN(x = +x)) return range[bisectRight(thresholds, x)]; + } + + scale.invertExtent = function(y) { + var i = range.indexOf(y); + return i < 0 ? [NaN, NaN] : [ + i > 0 ? thresholds[i - 1] : domain[0], + i < thresholds.length ? thresholds[i] : domain[domain.length - 1] + ]; + }; + + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = []; + for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); + domain.sort(ascending); + return rescale(); + }; + + scale.range = function(_) { + return arguments.length ? (range = slice$3.call(_), rescale()) : range.slice(); + }; + + scale.quantiles = function() { + return thresholds.slice(); + }; + + scale.copy = function() { + return quantile() + .domain(domain) + .range(range); + }; + + return scale; + } + + function quantize$1() { + var x0 = 0, + x1 = 1, + n = 1, + domain = [0.5], + range = [0, 1]; + + function scale(x) { + if (x <= x) return range[bisectRight(domain, x, 0, n)]; + } + + function rescale() { + var i = -1; + domain = new Array(n); + while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1); + return scale; + } + + scale.domain = function(_) { + return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1]; + }; + + scale.range = function(_) { + return arguments.length ? (n = (range = slice$3.call(_)).length - 1, rescale()) : range.slice(); + }; + + scale.invertExtent = function(y) { + var i = range.indexOf(y); + return i < 0 ? [NaN, NaN] + : i < 1 ? [x0, domain[0]] + : i >= n ? [domain[n - 1], x1] + : [domain[i - 1], domain[i]]; + }; + + scale.copy = function() { + return quantize$1() + .domain([x0, x1]) + .range(range); + }; + + return linearish(scale); + } + + function threshold$1() { + var domain = [0.5], + range = [0, 1], + n = 1; + + function scale(x) { + if (x <= x) return range[bisectRight(domain, x, 0, n)]; + } + + scale.domain = function(_) { + return arguments.length ? (domain = slice$3.call(_), n = Math.min(domain.length, range.length - 1), scale) : domain.slice(); + }; + + scale.range = function(_) { + return arguments.length ? (range = slice$3.call(_), n = Math.min(domain.length, range.length - 1), scale) : range.slice(); + }; + + scale.invertExtent = function(y) { + var i = range.indexOf(y); + return [domain[i - 1], domain[i]]; + }; + + scale.copy = function() { + return threshold$1() + .domain(domain) + .range(range); + }; + + return scale; + } + +var durationSecond$1 = 1000; +var durationMinute$1 = durationSecond$1 * 60; +var durationHour$1 = durationMinute$1 * 60; +var durationDay$1 = durationHour$1 * 24; +var durationWeek$1 = durationDay$1 * 7; + var durationMonth = durationDay$1 * 30; + var durationYear = durationDay$1 * 365; + function date$1(t) { + return new Date(t); + } + + function number$2(t) { + return t instanceof Date ? +t : +new Date(+t); + } + + function calendar(year, month, week, day, hour, minute, second, millisecond, format) { + var scale = continuous(deinterpolate, interpolateNumber), + invert = scale.invert, + domain = scale.domain; + + var formatMillisecond = format(".%L"), + formatSecond = format(":%S"), + formatMinute = format("%I:%M"), + formatHour = format("%I %p"), + formatDay = format("%a %d"), + formatWeek = format("%b %d"), + formatMonth = format("%B"), + formatYear = format("%Y"); + + var tickIntervals = [ + [second, 1, durationSecond$1], + [second, 5, 5 * durationSecond$1], + [second, 15, 15 * durationSecond$1], + [second, 30, 30 * durationSecond$1], + [minute, 1, durationMinute$1], + [minute, 5, 5 * durationMinute$1], + [minute, 15, 15 * durationMinute$1], + [minute, 30, 30 * durationMinute$1], + [ hour, 1, durationHour$1 ], + [ hour, 3, 3 * durationHour$1 ], + [ hour, 6, 6 * durationHour$1 ], + [ hour, 12, 12 * durationHour$1 ], + [ day, 1, durationDay$1 ], + [ day, 2, 2 * durationDay$1 ], + [ week, 1, durationWeek$1 ], + [ month, 1, durationMonth ], + [ month, 3, 3 * durationMonth ], + [ year, 1, durationYear ] + ]; + + function tickFormat(date) { + return (second(date) < date ? formatMillisecond + : minute(date) < date ? formatSecond + : hour(date) < date ? formatMinute + : day(date) < date ? formatHour + : month(date) < date ? (week(date) < date ? formatDay : formatWeek) + : year(date) < date ? formatMonth + : formatYear)(date); + } + + function tickInterval(interval, start, stop, step) { + if (interval == null) interval = 10; + + // If a desired tick count is specified, pick a reasonable tick interval + // based on the extent of the domain and a rough estimate of tick size. + // Otherwise, assume interval is already a time interval and use it. + if (typeof interval === "number") { + var target = Math.abs(stop - start) / interval, + i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); + if (i === tickIntervals.length) { + step = tickStep(start / durationYear, stop / durationYear, interval); + interval = year; + } else if (i) { + i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; + step = i[1]; + interval = i[0]; + } else { + step = tickStep(start, stop, interval); + interval = millisecond; + } + } + + return step == null ? interval : interval.every(step); + } + + scale.invert = function(y) { + return new Date(invert(y)); + }; + + scale.domain = function(_) { + return arguments.length ? domain(map$2.call(_, number$2)) : domain().map(date$1); + }; + + scale.ticks = function(interval, step) { + var d = domain(), + t0 = d[0], + t1 = d[d.length - 1], + r = t1 < t0, + t; + if (r) t = t0, t0 = t1, t1 = t; + t = tickInterval(interval, t0, t1, step); + t = t ? t.range(t0, t1 + 1) : []; // inclusive stop + return r ? t.reverse() : t; + }; + + scale.tickFormat = function(count, specifier) { + return specifier == null ? tickFormat : format(specifier); + }; + + scale.nice = function(interval, step) { + var d = domain(); + return (interval = tickInterval(interval, d[0], d[d.length - 1], step)) + ? domain(nice(d, interval)) + : scale; + }; + + scale.copy = function() { + return copy(scale, calendar(year, month, week, day, hour, minute, second, millisecond, format)); + }; + + return scale; + } + + function time() { + return calendar(year, month, timeWeek, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]); + } + + function utcTime() { + return calendar(utcYear, utcMonth, utcWeek, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); + } + + function colors(s) { + return s.match(/.{6}/g).map(function(x) { + return "#" + x; + }); + } + + var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); + + var category20b = colors("393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6"); + + var category20c = colors("3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9"); + + var category20 = colors("1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5"); + + var cubehelix$3 = interpolateCubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); + + var warm = interpolateCubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); + + var cool = interpolateCubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); + + var rainbow = cubehelix(); + + function rainbow$1(t) { + if (t < 0 || t > 1) t -= Math.floor(t); + var ts = Math.abs(t - 0.5); + rainbow.h = 360 * t - 100; + rainbow.s = 1.5 - 1.5 * ts; + rainbow.l = 0.8 - 0.9 * ts; + return rainbow + ""; + } + + function ramp(range) { + var n = range.length; + return function(t) { + return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; + }; + } + + var viridis = ramp(colors("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")); + + var magma = ramp(colors("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")); + + var inferno = ramp(colors("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")); + + var plasma = ramp(colors("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")); + + function sequential(interpolator) { + var x0 = 0, + x1 = 1, + clamp = false; + + function scale(x) { + var t = (x - x0) / (x1 - x0); + return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t); + } + + scale.domain = function(_) { + return arguments.length ? (x0 = +_[0], x1 = +_[1], scale) : [x0, x1]; + }; + + scale.clamp = function(_) { + return arguments.length ? (clamp = !!_, scale) : clamp; + }; + + scale.interpolator = function(_) { + return arguments.length ? (interpolator = _, scale) : interpolator; + }; + + scale.copy = function() { + return sequential(interpolator).domain([x0, x1]).clamp(clamp); + }; + + return linearish(scale); + } + + var xhtml = "http://www.w3.org/1999/xhtml"; + + var namespaces = { + svg: "http://www.w3.org/2000/svg", + xhtml: xhtml, + xlink: "http://www.w3.org/1999/xlink", + xml: "http://www.w3.org/XML/1998/namespace", + xmlns: "http://www.w3.org/2000/xmlns/" + }; + + function namespace(name) { + var prefix = name += "", i = prefix.indexOf(":"); + if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); + return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; + } + + function creatorInherit(name) { + return function() { + var document = this.ownerDocument, + uri = this.namespaceURI; + return uri === xhtml && document.documentElement.namespaceURI === xhtml + ? document.createElement(name) + : document.createElementNS(uri, name); + }; + } + + function creatorFixed(fullname) { + return function() { + return this.ownerDocument.createElementNS(fullname.space, fullname.local); + }; + } + + function creator(name) { + var fullname = namespace(name); + return (fullname.local + ? creatorFixed + : creatorInherit)(fullname); + } + + var nextId = 0; + + function local() { + return new Local; + } + + function Local() { + this._ = "@" + (++nextId).toString(36); + } + + Local.prototype = local.prototype = { + constructor: Local, + get: function(node) { + var id = this._; + while (!(id in node)) if (!(node = node.parentNode)) return; + return node[id]; + }, + set: function(node, value) { + return node[this._] = value; + }, + remove: function(node) { + return this._ in node && delete node[this._]; + }, + toString: function() { + return this._; + } + }; + + var matcher = function(selector) { + return function() { + return this.matches(selector); + }; + }; + + if (typeof document !== "undefined") { + var element = document.documentElement; + if (!element.matches) { + var vendorMatches = element.webkitMatchesSelector + || element.msMatchesSelector + || element.mozMatchesSelector + || element.oMatchesSelector; + matcher = function(selector) { + return function() { + return vendorMatches.call(this, selector); + }; + }; + } + } + + var matcher$1 = matcher; + + var filterEvents = {}; + + exports.event = null; + + if (typeof document !== "undefined") { + var element$1 = document.documentElement; + if (!("onmouseenter" in element$1)) { + filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; + } + } + + function filterContextListener(listener, index, group) { + listener = contextListener(listener, index, group); + return function(event) { + var related = event.relatedTarget; + if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { + listener.call(this, event); + } + }; + } + + function contextListener(listener, index, group) { + return function(event1) { + var event0 = exports.event; // Events can be reentrant (e.g., focus). + exports.event = event1; + try { + listener.call(this, this.__data__, index, group); + } finally { + exports.event = event0; + } + }; + } + + function parseTypenames$1(typenames) { + return typenames.trim().split(/^|\s+/).map(function(t) { + var name = "", i = t.indexOf("."); + if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); + return {type: t, name: name}; + }); + } + + function onRemove(typename) { + return function() { + var on = this.__on; + if (!on) return; + for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { + if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { + this.removeEventListener(o.type, o.listener, o.capture); + } else { + on[++i] = o; + } + } + if (++i) on.length = i; + else delete this.__on; + }; + } + + function onAdd(typename, value, capture) { + var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; + return function(d, i, group) { + var on = this.__on, o, listener = wrap(value, i, group); + if (on) for (var j = 0, m = on.length; j < m; ++j) { + if ((o = on[j]).type === typename.type && o.name === typename.name) { + this.removeEventListener(o.type, o.listener, o.capture); + this.addEventListener(o.type, o.listener = listener, o.capture = capture); + o.value = value; + return; + } + } + this.addEventListener(typename.type, listener, capture); + o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; + if (!on) this.__on = [o]; + else on.push(o); + }; + } + + function selection_on(typename, value, capture) { + var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t; + + if (arguments.length < 2) { + var on = this.node().__on; + if (on) for (var j = 0, m = on.length, o; j < m; ++j) { + for (i = 0, o = on[j]; i < n; ++i) { + if ((t = typenames[i]).type === o.type && t.name === o.name) { + return o.value; + } + } + } + return; + } + + on = value ? onAdd : onRemove; + if (capture == null) capture = false; + for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); + return this; + } + + function customEvent(event1, listener, that, args) { + var event0 = exports.event; + event1.sourceEvent = exports.event; + exports.event = event1; + try { + return listener.apply(that, args); + } finally { + exports.event = event0; + } + } + + function sourceEvent() { + var current = exports.event, source; + while (source = current.sourceEvent) current = source; + return current; + } + + function point$5(node, event) { + var svg = node.ownerSVGElement || node; + + if (svg.createSVGPoint) { + var point = svg.createSVGPoint(); + point.x = event.clientX, point.y = event.clientY; + point = point.matrixTransform(node.getScreenCTM().inverse()); + return [point.x, point.y]; + } + + var rect = node.getBoundingClientRect(); + return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; + } + + function mouse(node) { + var event = sourceEvent(); + if (event.changedTouches) event = event.changedTouches[0]; + return point$5(node, event); + } + + function none$2() {} + + function selector(selector) { + return selector == null ? none$2 : function() { + return this.querySelector(selector); + }; + } + + function selection_select(select) { + if (typeof select !== "function") select = selector(select); + + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { + if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { + if ("__data__" in node) subnode.__data__ = node.__data__; + subgroup[i] = subnode; + } + } + } + + return new Selection(subgroups, this._parents); + } + + function empty() { + return []; + } + + function selectorAll(selector) { + return selector == null ? empty : function() { + return this.querySelectorAll(selector); + }; + } + + function selection_selectAll(select) { + if (typeof select !== "function") select = selectorAll(select); + + for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + subgroups.push(select.call(node, node.__data__, i, group)); + parents.push(node); + } + } + } + + return new Selection(subgroups, parents); + } + + function selection_filter(match) { + if (typeof match !== "function") match = matcher$1(match); + + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { + if ((node = group[i]) && match.call(node, node.__data__, i, group)) { + subgroup.push(node); + } + } + } + + return new Selection(subgroups, this._parents); + } + + function sparse(update) { + return new Array(update.length); + } + + function selection_enter() { + return new Selection(this._enter || this._groups.map(sparse), this._parents); + } + + function EnterNode(parent, datum) { + this.ownerDocument = parent.ownerDocument; + this.namespaceURI = parent.namespaceURI; + this._next = null; + this._parent = parent; + this.__data__ = datum; + } + + EnterNode.prototype = { + constructor: EnterNode, + appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, + insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, + querySelector: function(selector) { return this._parent.querySelector(selector); }, + querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } + }; + + function constant$4(x) { + return function() { + return x; + }; + } + + var keyPrefix = "$"; // Protect against keys like “__proto__”. + + function bindIndex(parent, group, enter, update, exit, data) { + var i = 0, + node, + groupLength = group.length, + dataLength = data.length; + + // Put any non-null nodes that fit into update. + // Put any null nodes into enter. + // Put any remaining data into enter. + for (; i < dataLength; ++i) { + if (node = group[i]) { + node.__data__ = data[i]; + update[i] = node; + } else { + enter[i] = new EnterNode(parent, data[i]); + } + } + + // Put any non-null nodes that don’t fit into exit. + for (; i < groupLength; ++i) { + if (node = group[i]) { + exit[i] = node; + } + } + } + + function bindKey(parent, group, enter, update, exit, data, key) { + var i, + node, + nodeByKeyValue = {}, + groupLength = group.length, + dataLength = data.length, + keyValues = new Array(groupLength), + keyValue; + + // Compute the key for each node. + // If multiple nodes have the same key, the duplicates are added to exit. + for (i = 0; i < groupLength; ++i) { + if (node = group[i]) { + keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group); + if (keyValue in nodeByKeyValue) { + exit[i] = node; + } else { + nodeByKeyValue[keyValue] = node; + } + } + } + + // Compute the key for each datum. + // If there a node associated with this key, join and add it to update. + // If there is not (or the key is a duplicate), add it to enter. + for (i = 0; i < dataLength; ++i) { + keyValue = keyPrefix + key.call(parent, data[i], i, data); + if (node = nodeByKeyValue[keyValue]) { + update[i] = node; + node.__data__ = data[i]; + nodeByKeyValue[keyValue] = null; + } else { + enter[i] = new EnterNode(parent, data[i]); + } + } + + // Add any remaining nodes that were not bound to data to exit. + for (i = 0; i < groupLength; ++i) { + if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) { + exit[i] = node; + } + } + } + + function selection_data(value, key) { + if (!value) { + data = new Array(this.size()), j = -1; + this.each(function(d) { data[++j] = d; }); + return data; + } + + var bind = key ? bindKey : bindIndex, + parents = this._parents, + groups = this._groups; + + if (typeof value !== "function") value = constant$4(value); + + for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) { + var parent = parents[j], + group = groups[j], + groupLength = group.length, + data = value.call(parent, parent && parent.__data__, j, parents), + dataLength = data.length, + enterGroup = enter[j] = new Array(dataLength), + updateGroup = update[j] = new Array(dataLength), + exitGroup = exit[j] = new Array(groupLength); + + bind(parent, group, enterGroup, updateGroup, exitGroup, data, key); + + // Now connect the enter nodes to their following update node, such that + // appendChild can insert the materialized enter node before this node, + // rather than at the end of the parent node. + for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) { + if (previous = enterGroup[i0]) { + if (i0 >= i1) i1 = i0 + 1; + while (!(next = updateGroup[i1]) && ++i1 < dataLength); + previous._next = next || null; + } + } + } + + update = new Selection(update, parents); + update._enter = enter; + update._exit = exit; + return update; + } + + function selection_exit() { + return new Selection(this._exit || this._groups.map(sparse), this._parents); + } + + function selection_merge(selection) { + + for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group0[i] || group1[i]) { + merge[i] = node; + } + } + } + + for (; j < m0; ++j) { + merges[j] = groups0[j]; + } + + return new Selection(merges, this._parents); + } + + function selection_order() { + + for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { + for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) { + if (node = group[i]) { + if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); + next = node; + } + } + } + + return this; + } + + function selection_sort(compare) { + if (!compare) compare = ascending$2; + + function compareNode(a, b) { + return a && b ? compare(a.__data__, b.__data__) : !a - !b; + } + + for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group[i]) { + sortgroup[i] = node; + } + } + sortgroup.sort(compareNode); + } + + return new Selection(sortgroups, this._parents).order(); + } + + function ascending$2(a, b) { + return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; + } + + function selection_call() { + var callback = arguments[0]; + arguments[0] = this; + callback.apply(null, arguments); + return this; + } + + function selection_nodes() { + var nodes = new Array(this.size()), i = -1; + this.each(function() { nodes[++i] = this; }); + return nodes; + } + + function selection_node() { + + for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { + for (var group = groups[j], i = 0, n = group.length; i < n; ++i) { + var node = group[i]; + if (node) return node; + } + } + + return null; + } + + function selection_size() { + var size = 0; + this.each(function() { ++size; }); + return size; + } + + function selection_empty() { + return !this.node(); + } + + function selection_each(callback) { + + for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { + for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { + if (node = group[i]) callback.call(node, node.__data__, i, group); + } + } + + return this; + } + + function attrRemove(name) { + return function() { + this.removeAttribute(name); + }; + } + + function attrRemoveNS(fullname) { + return function() { + this.removeAttributeNS(fullname.space, fullname.local); + }; + } + + function attrConstant(name, value) { + return function() { + this.setAttribute(name, value); + }; + } + + function attrConstantNS(fullname, value) { + return function() { + this.setAttributeNS(fullname.space, fullname.local, value); + }; + } + + function attrFunction(name, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.removeAttribute(name); + else this.setAttribute(name, v); + }; + } + + function attrFunctionNS(fullname, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.removeAttributeNS(fullname.space, fullname.local); + else this.setAttributeNS(fullname.space, fullname.local, v); + }; + } + + function selection_attr(name, value) { + var fullname = namespace(name); + + if (arguments.length < 2) { + var node = this.node(); + return fullname.local + ? node.getAttributeNS(fullname.space, fullname.local) + : node.getAttribute(fullname); + } + + return this.each((value == null + ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" + ? (fullname.local ? attrFunctionNS : attrFunction) + : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); + } + + function window(node) { + return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node + || (node.document && node) // node is a Window + || node.defaultView; // node is a Document + } + + function styleRemove(name) { + return function() { + this.style.removeProperty(name); + }; + } + + function styleConstant(name, value, priority) { + return function() { + this.style.setProperty(name, value, priority); + }; + } + + function styleFunction(name, value, priority) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.style.removeProperty(name); + else this.style.setProperty(name, v, priority); + }; + } + + function selection_style(name, value, priority) { + var node; + return arguments.length > 1 + ? this.each((value == null + ? styleRemove : typeof value === "function" + ? styleFunction + : styleConstant)(name, value, priority == null ? "" : priority)) + : window(node = this.node()) + .getComputedStyle(node, null) + .getPropertyValue(name); + } + + function propertyRemove(name) { + return function() { + delete this[name]; + }; + } + + function propertyConstant(name, value) { + return function() { + this[name] = value; + }; + } + + function propertyFunction(name, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) delete this[name]; + else this[name] = v; + }; + } + + function selection_property(name, value) { + return arguments.length > 1 + ? this.each((value == null + ? propertyRemove : typeof value === "function" + ? propertyFunction + : propertyConstant)(name, value)) + : this.node()[name]; + } + + function classArray(string) { + return string.trim().split(/^|\s+/); + } + + function classList(node) { + return node.classList || new ClassList(node); + } + + function ClassList(node) { + this._node = node; + this._names = classArray(node.getAttribute("class") || ""); + } + + ClassList.prototype = { + add: function(name) { + var i = this._names.indexOf(name); + if (i < 0) { + this._names.push(name); + this._node.setAttribute("class", this._names.join(" ")); + } + }, + remove: function(name) { + var i = this._names.indexOf(name); + if (i >= 0) { + this._names.splice(i, 1); + this._node.setAttribute("class", this._names.join(" ")); + } + }, + contains: function(name) { + return this._names.indexOf(name) >= 0; + } + }; + + function classedAdd(node, names) { + var list = classList(node), i = -1, n = names.length; + while (++i < n) list.add(names[i]); + } + + function classedRemove(node, names) { + var list = classList(node), i = -1, n = names.length; + while (++i < n) list.remove(names[i]); + } + + function classedTrue(names) { + return function() { + classedAdd(this, names); + }; + } + + function classedFalse(names) { + return function() { + classedRemove(this, names); + }; + } + + function classedFunction(names, value) { + return function() { + (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names); + }; + } + + function selection_classed(name, value) { + var names = classArray(name + ""); + + if (arguments.length < 2) { + var list = classList(this.node()), i = -1, n = names.length; + while (++i < n) if (!list.contains(names[i])) return false; + return true; + } + + return this.each((typeof value === "function" + ? classedFunction : value + ? classedTrue + : classedFalse)(names, value)); + } + + function textRemove() { + this.textContent = ""; + } + + function textConstant(value) { + return function() { + this.textContent = value; + }; + } + + function textFunction(value) { + return function() { + var v = value.apply(this, arguments); + this.textContent = v == null ? "" : v; + }; + } + + function selection_text(value) { + return arguments.length + ? this.each(value == null + ? textRemove : (typeof value === "function" + ? textFunction + : textConstant)(value)) + : this.node().textContent; + } + + function htmlRemove() { + this.innerHTML = ""; + } + + function htmlConstant(value) { + return function() { + this.innerHTML = value; + }; + } + + function htmlFunction(value) { + return function() { + var v = value.apply(this, arguments); + this.innerHTML = v == null ? "" : v; + }; + } + + function selection_html(value) { + return arguments.length + ? this.each(value == null + ? htmlRemove : (typeof value === "function" + ? htmlFunction + : htmlConstant)(value)) + : this.node().innerHTML; + } + + function raise$1() { + if (this.nextSibling) this.parentNode.appendChild(this); + } + + function selection_raise() { + return this.each(raise$1); + } + + function lower() { + if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); + } + + function selection_lower() { + return this.each(lower); + } + + function selection_append(name) { + var create = typeof name === "function" ? name : creator(name); + return this.select(function() { + return this.appendChild(create.apply(this, arguments)); + }); + } + + function constantNull() { + return null; + } + + function selection_insert(name, before) { + var create = typeof name === "function" ? name : creator(name), + select = before == null ? constantNull : typeof before === "function" ? before : selector(before); + return this.select(function() { + return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); + }); + } + + function remove() { + var parent = this.parentNode; + if (parent) parent.removeChild(this); + } + + function selection_remove() { + return this.each(remove); + } + + function selection_datum(value) { + return arguments.length + ? this.property("__data__", value) + : this.node().__data__; + } + + function dispatchEvent(node, type, params) { + var window$$ = window(node), + event = window$$.CustomEvent; + + if (event) { + event = new event(type, params); + } else { + event = window$$.document.createEvent("Event"); + if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; + else event.initEvent(type, false, false); + } + + node.dispatchEvent(event); + } + + function dispatchConstant(type, params) { + return function() { + return dispatchEvent(this, type, params); + }; + } + + function dispatchFunction(type, params) { + return function() { + return dispatchEvent(this, type, params.apply(this, arguments)); + }; + } + + function selection_dispatch(type, params) { + return this.each((typeof params === "function" + ? dispatchFunction + : dispatchConstant)(type, params)); + } + + var root = [null]; + + function Selection(groups, parents) { + this._groups = groups; + this._parents = parents; + } + + function selection() { + return new Selection([[document.documentElement]], root); + } + + Selection.prototype = selection.prototype = { + constructor: Selection, + select: selection_select, + selectAll: selection_selectAll, + filter: selection_filter, + data: selection_data, + enter: selection_enter, + exit: selection_exit, + merge: selection_merge, + order: selection_order, + sort: selection_sort, + call: selection_call, + nodes: selection_nodes, + node: selection_node, + size: selection_size, + empty: selection_empty, + each: selection_each, + attr: selection_attr, + style: selection_style, + property: selection_property, + classed: selection_classed, + text: selection_text, + html: selection_html, + raise: selection_raise, + lower: selection_lower, + append: selection_append, + insert: selection_insert, + remove: selection_remove, + datum: selection_datum, + on: selection_on, + dispatch: selection_dispatch + }; + + function select(selector) { + return typeof selector === "string" + ? new Selection([[document.querySelector(selector)]], [document.documentElement]) + : new Selection([[selector]], root); + } + + function selectAll(selector) { + return typeof selector === "string" + ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) + : new Selection([selector == null ? [] : selector], root); + } + + function touch(node, touches, identifier) { + if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; + + for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) { + if ((touch = touches[i]).identifier === identifier) { + return point$5(node, touch); + } + } + + return null; + } + + function touches(node, touches) { + if (touches == null) touches = sourceEvent().touches; + + for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) { + points[i] = point$5(node, touches[i]); + } + + return points; + } + + var emptyOn = dispatch("start", "end", "interrupt"); + var emptyTween = []; + + var CREATED = 0; + var SCHEDULED = 1; + var STARTING = 2; + var STARTED = 3; + var ENDING = 4; + var ENDED = 5; + + function schedule(node, name, id, index, group, timing) { + var schedules = node.__transition; + if (!schedules) node.__transition = {}; + else if (id in schedules) return; + create(node, id, { + name: name, + index: index, // For context during callback. + group: group, // For context during callback. + on: emptyOn, + tween: emptyTween, + time: timing.time, + delay: timing.delay, + duration: timing.duration, + ease: timing.ease, + timer: null, + state: CREATED + }); + } + + function init(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id]) || schedule.state > CREATED) throw new Error("too late"); + return schedule; + } + + function set$2(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id]) || schedule.state > STARTING) throw new Error("too late"); + return schedule; + } + + function get$1(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id])) throw new Error("too late"); + return schedule; + } + + function create(node, id, self) { + var schedules = node.__transition, + tween; + + // Initialize the self timer when the transition is created. + // Note the actual delay is not known until the first callback! + schedules[id] = self; + self.timer = timer(schedule, 0, self.time); + + // If the delay is greater than this first sleep, sleep some more; + // otherwise, start immediately. + function schedule(elapsed) { + self.state = SCHEDULED; + if (self.delay <= elapsed) start(elapsed - self.delay); + else self.timer.restart(start, self.delay, self.time); + } + + function start(elapsed) { + var i, j, n, o; + + for (i in schedules) { + o = schedules[i]; + if (o.name !== self.name) continue; + + // Interrupt the active transition, if any. + // Dispatch the interrupt event. + if (o.state === STARTED) { + o.state = ENDED; + o.timer.stop(); + o.on.call("interrupt", node, node.__data__, o.index, o.group); + delete schedules[i]; + } + + // Cancel any pre-empted transitions. No interrupt event is dispatched + // because the cancelled transitions never started. Note that this also + // removes this transition from the pending list! + else if (+i < id) { + o.state = ENDED; + o.timer.stop(); + delete schedules[i]; + } + } + + // Defer the first tick to end of the current frame; see mbostock/d3#1576. + // Note the transition may be canceled after start and before the first tick! + // Note this must be scheduled before the start event; see d3/d3-transition#16! + // Assuming this is successful, subsequent callbacks go straight to tick. + timeout$1(function() { + if (self.state === STARTED) { + self.timer.restart(tick, self.delay, self.time); + tick(elapsed); + } + }); + + // Dispatch the start event. + // Note this must be done before the tween are initialized. + self.state = STARTING; + self.on.call("start", node, node.__data__, self.index, self.group); + if (self.state !== STARTING) return; // interrupted + self.state = STARTED; + + // Initialize the tween, deleting null tween. + tween = new Array(n = self.tween.length); + for (i = 0, j = -1; i < n; ++i) { + if (o = self.tween[i].value.call(node, node.__data__, self.index, self.group)) { + tween[++j] = o; + } + } + tween.length = j + 1; + } + + function tick(elapsed) { + var t = elapsed < self.duration ? self.ease.call(null, elapsed / self.duration) : (self.state = ENDING, 1), + i = -1, + n = tween.length; + + while (++i < n) { + tween[i].call(null, t); + } + + // Dispatch the end event. + if (self.state === ENDING) { + self.state = ENDED; + self.timer.stop(); + self.on.call("end", node, node.__data__, self.index, self.group); + for (i in schedules) if (+i !== id) return void delete schedules[id]; + delete node.__transition; + } + } + } + + function interrupt(node, name) { + var schedules = node.__transition, + schedule, + active, + empty = true, + i; + + if (!schedules) return; + + name = name == null ? null : name + ""; + + for (i in schedules) { + if ((schedule = schedules[i]).name !== name) { empty = false; continue; } + active = schedule.state === STARTED; + schedule.state = ENDED; + schedule.timer.stop(); + if (active) schedule.on.call("interrupt", node, node.__data__, schedule.index, schedule.group); + delete schedules[i]; + } + + if (empty) delete node.__transition; + } + + function selection_interrupt(name) { + return this.each(function() { + interrupt(this, name); + }); + } + + function tweenRemove(id, name) { + var tween0, tween1; + return function() { + var schedule = set$2(this, id), + tween = schedule.tween; + + // If this node shared tween with the previous node, + // just assign the updated shared tween and we’re done! + // Otherwise, copy-on-write. + if (tween !== tween0) { + tween1 = tween0 = tween; + for (var i = 0, n = tween1.length; i < n; ++i) { + if (tween1[i].name === name) { + tween1 = tween1.slice(); + tween1.splice(i, 1); + break; + } + } + } + + schedule.tween = tween1; + }; + } + + function tweenFunction(id, name, value) { + var tween0, tween1; + if (typeof value !== "function") throw new Error; + return function() { + var schedule = set$2(this, id), + tween = schedule.tween; + + // If this node shared tween with the previous node, + // just assign the updated shared tween and we’re done! + // Otherwise, copy-on-write. + if (tween !== tween0) { + tween1 = (tween0 = tween).slice(); + for (var t = {name: name, value: value}, i = 0, n = tween1.length; i < n; ++i) { + if (tween1[i].name === name) { + tween1[i] = t; + break; + } + } + if (i === n) tween1.push(t); + } + + schedule.tween = tween1; + }; + } + + function transition_tween(name, value) { + var id = this._id; + + name += ""; + + if (arguments.length < 2) { + var tween = get$1(this.node(), id).tween; + for (var i = 0, n = tween.length, t; i < n; ++i) { + if ((t = tween[i]).name === name) { + return t.value; + } + } + return null; + } + + return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); + } + + function tweenValue(transition, name, value) { + var id = transition._id; + + transition.each(function() { + var schedule = set$2(this, id); + (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); + }); + + return function(node) { + return get$1(node, id).value[name]; + }; + } + + function interpolate$1(a, b) { + var c; + return (typeof b === "number" ? interpolateNumber + : b instanceof color ? interpolateRgb + : (c = color(b)) ? (b = c, interpolateRgb) + : interpolateString)(a, b); + } + + function attrRemove$1(name) { + return function() { + this.removeAttribute(name); + }; + } + + function attrRemoveNS$1(fullname) { + return function() { + this.removeAttributeNS(fullname.space, fullname.local); + }; + } + + function attrConstant$1(name, interpolate, value1) { + var value00, + interpolate0; + return function() { + var value0 = this.getAttribute(name); + return value0 === value1 ? null + : value0 === value00 ? interpolate0 + : interpolate0 = interpolate(value00 = value0, value1); + }; + } + + function attrConstantNS$1(fullname, interpolate, value1) { + var value00, + interpolate0; + return function() { + var value0 = this.getAttributeNS(fullname.space, fullname.local); + return value0 === value1 ? null + : value0 === value00 ? interpolate0 + : interpolate0 = interpolate(value00 = value0, value1); + }; + } + + function attrFunction$1(name, interpolate, value) { + var value00, + value10, + interpolate0; + return function() { + var value0, value1 = value(this); + if (value1 == null) return void this.removeAttribute(name); + value0 = this.getAttribute(name); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate(value00 = value0, value10 = value1); + }; + } + + function attrFunctionNS$1(fullname, interpolate, value) { + var value00, + value10, + interpolate0; + return function() { + var value0, value1 = value(this); + if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local); + value0 = this.getAttributeNS(fullname.space, fullname.local); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate(value00 = value0, value10 = value1); + }; + } + + function transition_attr(name, value) { + var fullname = namespace(name), i = fullname === "transform" ? interpolateTransform$2 : interpolate$1; + return this.attrTween(name, typeof value === "function" + ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) + : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) + : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); + } + + function attrTweenNS(fullname, value) { + function tween() { + var node = this, i = value.apply(node, arguments); + return i && function(t) { + node.setAttributeNS(fullname.space, fullname.local, i(t)); + }; + } + tween._value = value; + return tween; + } + + function attrTween(name, value) { + function tween() { + var node = this, i = value.apply(node, arguments); + return i && function(t) { + node.setAttribute(name, i(t)); + }; + } + tween._value = value; + return tween; + } + + function transition_attrTween(name, value) { + var key = "attr." + name; + if (arguments.length < 2) return (key = this.tween(key)) && key._value; + if (value == null) return this.tween(key, null); + if (typeof value !== "function") throw new Error; + var fullname = namespace(name); + return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value)); + } + + function delayFunction(id, value) { + return function() { + init(this, id).delay = +value.apply(this, arguments); + }; + } + + function delayConstant(id, value) { + return value = +value, function() { + init(this, id).delay = value; + }; + } + + function transition_delay(value) { + var id = this._id; + + return arguments.length + ? this.each((typeof value === "function" + ? delayFunction + : delayConstant)(id, value)) + : get$1(this.node(), id).delay; + } + + function durationFunction(id, value) { + return function() { + set$2(this, id).duration = +value.apply(this, arguments); + }; + } + + function durationConstant(id, value) { + return value = +value, function() { + set$2(this, id).duration = value; + }; + } + + function transition_duration(value) { + var id = this._id; + + return arguments.length + ? this.each((typeof value === "function" + ? durationFunction + : durationConstant)(id, value)) + : get$1(this.node(), id).duration; + } + + function easeConstant(id, value) { + if (typeof value !== "function") throw new Error; + return function() { + set$2(this, id).ease = value; + }; + } + + function transition_ease(value) { + var id = this._id; + + return arguments.length + ? this.each(easeConstant(id, value)) + : get$1(this.node(), id).ease; + } + + function transition_filter(match) { + if (typeof match !== "function") match = matcher$1(match); + + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { + if ((node = group[i]) && match.call(node, node.__data__, i, group)) { + subgroup.push(node); + } + } + } + + return new Transition(subgroups, this._parents, this._name, this._id); + } + + function transition_merge(transition) { + if (transition._id !== this._id) throw new Error; + + for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group0[i] || group1[i]) { + merge[i] = node; + } + } + } + + for (; j < m0; ++j) { + merges[j] = groups0[j]; + } + + return new Transition(merges, this._parents, this._name, this._id); + } + + function start$1(name) { + return (name + "").trim().split(/^|\s+/).every(function(t) { + var i = t.indexOf("."); + if (i >= 0) t = t.slice(0, i); + return !t || t === "start"; + }); + } + + function onFunction(id, name, listener) { + var on0, on1, sit = start$1(name) ? init : set$2; + return function() { + var schedule = sit(this, id), + on = schedule.on; + + // If this node shared a dispatch with the previous node, + // just assign the updated shared dispatch and we’re done! + // Otherwise, copy-on-write. + if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener); + + schedule.on = on1; + }; + } + + function transition_on(name, listener) { + var id = this._id; + + return arguments.length < 2 + ? get$1(this.node(), id).on.on(name) + : this.each(onFunction(id, name, listener)); + } + + function removeFunction(id) { + return function() { + var parent = this.parentNode; + for (var i in this.__transition) if (+i !== id) return; + if (parent) parent.removeChild(this); + }; + } + + function transition_remove() { + return this.on("end.remove", removeFunction(this._id)); + } + + function transition_select(select) { + var name = this._name, + id = this._id; + + if (typeof select !== "function") select = selector(select); + + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { + if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { + if ("__data__" in node) subnode.__data__ = node.__data__; + subgroup[i] = subnode; + schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); + } + } + } + + return new Transition(subgroups, this._parents, name, id); + } + + function transition_selectAll(select) { + var name = this._name, + id = this._id; + + if (typeof select !== "function") select = selectorAll(select); + + for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + for (var children = select.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { + if (child = children[k]) { + schedule(child, name, id, k, children, inherit); + } + } + subgroups.push(children); + parents.push(node); + } + } + } + + return new Transition(subgroups, parents, name, id); + } + + var Selection$1 = selection.prototype.constructor; + + function transition_selection() { + return new Selection$1(this._groups, this._parents); + } + + function styleRemove$1(name, interpolate) { + var value00, + value10, + interpolate0; + return function() { + var style = window(this).getComputedStyle(this, null), + value0 = style.getPropertyValue(name), + value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate(value00 = value0, value10 = value1); + }; + } + + function styleRemoveEnd(name) { + return function() { + this.style.removeProperty(name); + }; + } + + function styleConstant$1(name, interpolate, value1) { + var value00, + interpolate0; + return function() { + var value0 = window(this).getComputedStyle(this, null).getPropertyValue(name); + return value0 === value1 ? null + : value0 === value00 ? interpolate0 + : interpolate0 = interpolate(value00 = value0, value1); + }; + } + + function styleFunction$1(name, interpolate, value) { + var value00, + value10, + interpolate0; + return function() { + var style = window(this).getComputedStyle(this, null), + value0 = style.getPropertyValue(name), + value1 = value(this); + if (value1 == null) value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate(value00 = value0, value10 = value1); + }; + } + + function transition_style(name, value, priority) { + var i = (name += "") === "transform" ? interpolateTransform$1 : interpolate$1; + return value == null ? this + .styleTween(name, styleRemove$1(name, i)) + .on("end.style." + name, styleRemoveEnd(name)) + : this.styleTween(name, typeof value === "function" + ? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) + : styleConstant$1(name, i, value), priority); + } + + function styleTween(name, value, priority) { + function tween() { + var node = this, i = value.apply(node, arguments); + return i && function(t) { + node.style.setProperty(name, i(t), priority); + }; + } + tween._value = value; + return tween; + } + + function transition_styleTween(name, value, priority) { + var key = "style." + (name += ""); + if (arguments.length < 2) return (key = this.tween(key)) && key._value; + if (value == null) return this.tween(key, null); + if (typeof value !== "function") throw new Error; + return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); + } + + function textConstant$1(value) { + return function() { + this.textContent = value; + }; + } + + function textFunction$1(value) { + return function() { + var value1 = value(this); + this.textContent = value1 == null ? "" : value1; + }; + } + + function transition_text(value) { + return this.tween("text", typeof value === "function" + ? textFunction$1(tweenValue(this, "text", value)) + : textConstant$1(value == null ? "" : value + "")); + } + + function transition_transition() { + var name = this._name, + id0 = this._id, + id1 = newId(); + + for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + var inherit = get$1(node, id0); + schedule(node, name, id1, i, group, { + time: inherit.time + inherit.delay + inherit.duration, + delay: 0, + duration: inherit.duration, + ease: inherit.ease + }); + } + } + } + + return new Transition(groups, this._parents, name, id1); + } + + var id = 0; + + function Transition(groups, parents, name, id) { + this._groups = groups; + this._parents = parents; + this._name = name; + this._id = id; + } + + function transition(name) { + return selection().transition(name); + } + + function newId() { + return ++id; + } + + var selection_prototype = selection.prototype; + + Transition.prototype = transition.prototype = { + constructor: Transition, + select: transition_select, + selectAll: transition_selectAll, + filter: transition_filter, + merge: transition_merge, + selection: transition_selection, + transition: transition_transition, + call: selection_prototype.call, + nodes: selection_prototype.nodes, + node: selection_prototype.node, + size: selection_prototype.size, + empty: selection_prototype.empty, + each: selection_prototype.each, + on: transition_on, + attr: transition_attr, + attrTween: transition_attrTween, + style: transition_style, + styleTween: transition_styleTween, + text: transition_text, + remove: transition_remove, + tween: transition_tween, + delay: transition_delay, + duration: transition_duration, + ease: transition_ease + }; + + var defaultTiming = { + time: null, // Set on use. + delay: 0, + duration: 250, + ease: easeCubicInOut + }; + + function inherit(node, id) { + var timing; + while (!(timing = node.__transition) || !(timing = timing[id])) { + if (!(node = node.parentNode)) { + return defaultTiming.time = now(), defaultTiming; + } + } + return timing; + } + + function selection_transition(name) { + var id, + timing; + + if (name instanceof Transition) { + id = name._id, name = name._name; + } else { + id = newId(), (timing = defaultTiming).time = now(), name = name == null ? null : name + ""; + } + + for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + schedule(node, name, id, i, group, timing || inherit(node, id)); + } + } + } + + return new Transition(groups, this._parents, name, id); + } + + selection.prototype.interrupt = selection_interrupt; + selection.prototype.transition = selection_transition; + + var root$1 = [null]; + + function active(node, name) { + var schedules = node.__transition, + schedule, + i; + + if (schedules) { + name = name == null ? null : name + ""; + for (i in schedules) { + if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { + return new Transition([[node]], root$1, name, +i); + } + } + } + + return null; + } + + var slice$4 = Array.prototype.slice; + + function identity$5(x) { + return x; + } + + var top = 1; + var right = 2; + var bottom = 3; + var left = 4; +var epsilon$2 = 1e-6; + function translateX(scale0, scale1, d) { + var x = scale0(d); + return "translate(" + (isFinite(x) ? x : scale1(d)) + ",0)"; + } + + function translateY(scale0, scale1, d) { + var y = scale0(d); + return "translate(0," + (isFinite(y) ? y : scale1(d)) + ")"; + } + + function center(scale) { + var width = scale.bandwidth() / 2; + return function(d) { + return scale(d) + width; + }; + } + + function entering() { + return !this.__axis; + } + + function axis(orient, scale) { + var tickArguments = [], + tickValues = null, + tickFormat = null, + tickSizeInner = 6, + tickSizeOuter = 6, + tickPadding = 3; + + function axis(context) { + var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues, + format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$5) : tickFormat, + spacing = Math.max(tickSizeInner, 0) + tickPadding, + transform = orient === top || orient === bottom ? translateX : translateY, + range = scale.range(), + range0 = range[0] + 0.5, + range1 = range[range.length - 1] + 0.5, + position = (scale.bandwidth ? center : identity$5)(scale.copy()), + selection = context.selection ? context.selection() : context, + path = selection.selectAll(".domain").data([null]), + tick = selection.selectAll(".tick").data(values, scale).order(), + tickExit = tick.exit(), + tickEnter = tick.enter().append("g").attr("class", "tick"), + line = tick.select("line"), + text = tick.select("text"), + k = orient === top || orient === left ? -1 : 1, + x, y = orient === left || orient === right ? (x = "x", "y") : (x = "y", "x"); + + path = path.merge(path.enter().insert("path", ".tick") + .attr("class", "domain") + .attr("stroke", "#000")); + + tick = tick.merge(tickEnter); + + line = line.merge(tickEnter.append("line") + .attr("stroke", "#000") + .attr(x + "2", k * tickSizeInner) + .attr(y + "1", 0.5) + .attr(y + "2", 0.5)); + + text = text.merge(tickEnter.append("text") + .attr("fill", "#000") + .attr(x, k * spacing) + .attr(y, 0.5) + .attr("dy", orient === top ? "0em" : orient === bottom ? ".71em" : ".32em")); + + if (context !== selection) { + path = path.transition(context); + tick = tick.transition(context); + line = line.transition(context); + text = text.transition(context); + + tickExit = tickExit.transition(context) + .attr("opacity", epsilon$2) + .attr("transform", function(d) { return transform(position, this.parentNode.__axis || position, d); }); + + tickEnter + .attr("opacity", epsilon$2) + .attr("transform", function(d) { return transform(this.parentNode.__axis || position, position, d); }); + } + + tickExit.remove(); + + path + .attr("d", orient === left || orient == right + ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter + : "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter); + + tick + .attr("opacity", 1) + .attr("transform", function(d) { return transform(position, position, d); }); + + line + .attr(x + "2", k * tickSizeInner); + + text + .attr(x, k * spacing) + .text(format); + + selection.filter(entering) + .attr("fill", "none") + .attr("font-size", 10) + .attr("font-family", "sans-serif") + .attr("text-anchor", orient === right ? "start" : orient === left ? "end" : "middle"); + + selection + .each(function() { this.__axis = position; }); + } + + axis.scale = function(_) { + return arguments.length ? (scale = _, axis) : scale; + }; + + axis.ticks = function() { + return tickArguments = slice$4.call(arguments), axis; + }; + + axis.tickArguments = function(_) { + return arguments.length ? (tickArguments = _ == null ? [] : slice$4.call(_), axis) : tickArguments.slice(); + }; + + axis.tickValues = function(_) { + return arguments.length ? (tickValues = _ == null ? null : slice$4.call(_), axis) : tickValues && tickValues.slice(); + }; + + axis.tickFormat = function(_) { + return arguments.length ? (tickFormat = _, axis) : tickFormat; + }; + + axis.tickSize = function(_) { + return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner; + }; + + axis.tickSizeInner = function(_) { + return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner; + }; + + axis.tickSizeOuter = function(_) { + return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter; + }; + + axis.tickPadding = function(_) { + return arguments.length ? (tickPadding = +_, axis) : tickPadding; + }; + + return axis; + } + + function axisTop(scale) { + return axis(top, scale); + } + + function axisRight(scale) { + return axis(right, scale); + } + + function axisBottom(scale) { + return axis(bottom, scale); + } + + function axisLeft(scale) { + return axis(left, scale); + } + + function defaultSeparation(a, b) { + return a.parent === b.parent ? 1 : 2; + } + + function meanX(children) { + return children.reduce(meanXReduce, 0) / children.length; + } + + function meanXReduce(x, c) { + return x + c.x; + } + + function maxY(children) { + return 1 + children.reduce(maxYReduce, 0); + } + + function maxYReduce(y, c) { + return Math.max(y, c.y); + } + + function leafLeft(node) { + var children; + while (children = node.children) node = children[0]; + return node; + } + + function leafRight(node) { + var children; + while (children = node.children) node = children[children.length - 1]; + return node; + } + + function cluster() { + var separation = defaultSeparation, + dx = 1, + dy = 1, + nodeSize = false; + + function cluster(root) { + var previousNode, + x = 0; + + // First walk, computing the initial x & y values. + root.eachAfter(function(node) { + var children = node.children; + if (children) { + node.x = meanX(children); + node.y = maxY(children); + } else { + node.x = previousNode ? x += separation(node, previousNode) : 0; + node.y = 0; + previousNode = node; + } + }); + + var left = leafLeft(root), + right = leafRight(root), + x0 = left.x - separation(left, right) / 2, + x1 = right.x + separation(right, left) / 2; + + // Second walk, normalizing x & y to the desired size. + return root.eachAfter(nodeSize ? function(node) { + node.x = (node.x - root.x) * dx; + node.y = (root.y - node.y) * dy; + } : function(node) { + node.x = (node.x - x0) / (x1 - x0) * dx; + node.y = (1 - (root.y ? node.y / root.y : 1)) * dy; + }); + } + + cluster.separation = function(x) { + return arguments.length ? (separation = x, cluster) : separation; + }; + + cluster.size = function(x) { + return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? null : [dx, dy]); + }; + + cluster.nodeSize = function(x) { + return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? [dx, dy] : null); + }; + + return cluster; + } + + function node_each(callback) { + var node = this, current, next = [node], children, i, n; + do { + current = next.reverse(), next = []; + while (node = current.pop()) { + callback(node), children = node.children; + if (children) for (i = 0, n = children.length; i < n; ++i) { + next.push(children[i]); + } + } + } while (next.length); + return this; + } + + function node_eachBefore(callback) { + var node = this, nodes = [node], children, i; + while (node = nodes.pop()) { + callback(node), children = node.children; + if (children) for (i = children.length - 1; i >= 0; --i) { + nodes.push(children[i]); + } + } + return this; + } + + function node_eachAfter(callback) { + var node = this, nodes = [node], next = [], children, i, n; + while (node = nodes.pop()) { + next.push(node), children = node.children; + if (children) for (i = 0, n = children.length; i < n; ++i) { + nodes.push(children[i]); + } + } + while (node = next.pop()) { + callback(node); + } + return this; + } + + function node_sum(value) { + return this.eachAfter(function(node) { + var sum = +value(node.data) || 0, + children = node.children, + i = children && children.length; + while (--i >= 0) sum += children[i].value; + node.value = sum; + }); + } + + function node_sort(compare) { + return this.eachBefore(function(node) { + if (node.children) { + node.children.sort(compare); + } + }); + } + + function node_path(end) { + var start = this, + ancestor = leastCommonAncestor(start, end), + nodes = [start]; + while (start !== ancestor) { + start = start.parent; + nodes.push(start); + } + var k = nodes.length; + while (end !== ancestor) { + nodes.splice(k, 0, end); + end = end.parent; + } + return nodes; + } + + function leastCommonAncestor(a, b) { + if (a === b) return a; + var aNodes = a.ancestors(), + bNodes = b.ancestors(), + c = null; + a = aNodes.pop(); + b = bNodes.pop(); + while (a === b) { + c = a; + a = aNodes.pop(); + b = bNodes.pop(); + } + return c; + } + + function node_ancestors() { + var node = this, nodes = [node]; + while (node = node.parent) { + nodes.push(node); + } + return nodes; + } + + function node_descendants() { + var nodes = []; + this.each(function(node) { + nodes.push(node); + }); + return nodes; + } + + function node_leaves() { + var leaves = []; + this.eachBefore(function(node) { + if (!node.children) { + leaves.push(node); + } + }); + return leaves; + } + + function node_links() { + var root = this, links = []; + root.each(function(node) { + if (node !== root) { // Don’t include the root’s parent, if any. + links.push({source: node.parent, target: node}); + } + }); + return links; + } + + function hierarchy(data, children) { + var root = new Node(data), + valued = +data.value && (root.value = data.value), + node, + nodes = [root], + child, + childs, + i, + n; + + if (children == null) children = defaultChildren; + + while (node = nodes.pop()) { + if (valued) node.value = +node.data.value; + if ((childs = children(node.data)) && (n = childs.length)) { + node.children = new Array(n); + for (i = n - 1; i >= 0; --i) { + nodes.push(child = node.children[i] = new Node(childs[i])); + child.parent = node; + child.depth = node.depth + 1; + } + } + } + + return root.eachBefore(computeHeight); + } + + function node_copy() { + return hierarchy(this).eachBefore(copyData); + } + + function defaultChildren(d) { + return d.children; + } + + function copyData(node) { + node.data = node.data.data; + } + + function computeHeight(node) { + var height = 0; + do node.height = height; + while ((node = node.parent) && (node.height < ++height)); + } + + function Node(data) { + this.data = data; + this.depth = + this.height = 0; + this.parent = null; + } + + Node.prototype = hierarchy.prototype = { + constructor: Node, + each: node_each, + eachAfter: node_eachAfter, + eachBefore: node_eachBefore, + sum: node_sum, + sort: node_sort, + path: node_path, + ancestors: node_ancestors, + descendants: node_descendants, + leaves: node_leaves, + links: node_links, + copy: node_copy + }; + + function Node$2(value) { + this._ = value; + this.next = null; + } + + function shuffle$1(array) { + var i, + n = (array = array.slice()).length, + head = null, + node = head; + + while (n) { + var next = new Node$2(array[n - 1]); + if (node) node = node.next = next; + else node = head = next; + array[i] = array[--n]; + } + + return { + head: head, + tail: node + }; + } + + function enclose(circles) { + return encloseN(shuffle$1(circles), []); + } + + function encloses(a, b) { + var dx = b.x - a.x, + dy = b.y - a.y, + dr = a.r - b.r; + return dr * dr + 1e-6 > dx * dx + dy * dy; + } + + // Returns the smallest circle that contains circles L and intersects circles B. + function encloseN(L, B) { + var circle, + l0 = null, + l1 = L.head, + l2, + p1; + + switch (B.length) { + case 1: circle = enclose1(B[0]); break; + case 2: circle = enclose2(B[0], B[1]); break; + case 3: circle = enclose3(B[0], B[1], B[2]); break; + } + + while (l1) { + p1 = l1._, l2 = l1.next; + if (!circle || !encloses(circle, p1)) { + + // Temporarily truncate L before l1. + if (l0) L.tail = l0, l0.next = null; + else L.head = L.tail = null; + + B.push(p1); + circle = encloseN(L, B); // Note: reorders L! + B.pop(); + + // Move l1 to the front of L and reconnect the truncated list L. + if (L.head) l1.next = L.head, L.head = l1; + else l1.next = null, L.head = L.tail = l1; + l0 = L.tail, l0.next = l2; + + } else { + l0 = l1; + } + l1 = l2; + } + + L.tail = l0; + return circle; + } + + function enclose1(a) { + return { + x: a.x, + y: a.y, + r: a.r + }; + } + + function enclose2(a, b) { + var x1 = a.x, y1 = a.y, r1 = a.r, + x2 = b.x, y2 = b.y, r2 = b.r, + x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1, + l = Math.sqrt(x21 * x21 + y21 * y21); + return { + x: (x1 + x2 + x21 / l * r21) / 2, + y: (y1 + y2 + y21 / l * r21) / 2, + r: (l + r1 + r2) / 2 + }; + } + + function enclose3(a, b, c) { + var x1 = a.x, y1 = a.y, r1 = a.r, + x2 = b.x, y2 = b.y, r2 = b.r, + x3 = c.x, y3 = c.y, r3 = c.r, + a2 = 2 * (x1 - x2), + b2 = 2 * (y1 - y2), + c2 = 2 * (r2 - r1), + d2 = x1 * x1 + y1 * y1 - r1 * r1 - x2 * x2 - y2 * y2 + r2 * r2, + a3 = 2 * (x1 - x3), + b3 = 2 * (y1 - y3), + c3 = 2 * (r3 - r1), + d3 = x1 * x1 + y1 * y1 - r1 * r1 - x3 * x3 - y3 * y3 + r3 * r3, + ab = a3 * b2 - a2 * b3, + xa = (b2 * d3 - b3 * d2) / ab - x1, + xb = (b3 * c2 - b2 * c3) / ab, + ya = (a3 * d2 - a2 * d3) / ab - y1, + yb = (a2 * c3 - a3 * c2) / ab, + A = xb * xb + yb * yb - 1, + B = 2 * (xa * xb + ya * yb + r1), + C = xa * xa + ya * ya - r1 * r1, + r = (-B - Math.sqrt(B * B - 4 * A * C)) / (2 * A); + return { + x: xa + xb * r + x1, + y: ya + yb * r + y1, + r: r + }; + } + + function place(a, b, c) { + var ax = a.x, + ay = a.y, + da = b.r + c.r, + db = a.r + c.r, + dx = b.x - ax, + dy = b.y - ay, + dc = dx * dx + dy * dy; + if (dc) { + var x = 0.5 + ((db *= db) - (da *= da)) / (2 * dc), + y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); + c.x = ax + x * dx + y * dy; + c.y = ay + x * dy - y * dx; + } else { + c.x = ax + db; + c.y = ay; + } + } + + function intersects(a, b) { + var dx = b.x - a.x, + dy = b.y - a.y, + dr = a.r + b.r; + return dr * dr > dx * dx + dy * dy; + } + + function distance2(circle, x, y) { + var dx = circle.x - x, + dy = circle.y - y; + return dx * dx + dy * dy; + } + + function Node$1(circle) { + this._ = circle; + this.next = null; + this.previous = null; + } + + function packEnclose(circles) { + if (!(n = circles.length)) return 0; + + var a, b, c, n; + + // Place the first circle. + a = circles[0], a.x = 0, a.y = 0; + if (!(n > 1)) return a.r; + + // Place the second circle. + b = circles[1], a.x = -b.r, b.x = a.r, b.y = 0; + if (!(n > 2)) return a.r + b.r; + + // Place the third circle. + place(b, a, c = circles[2]); + + // Initialize the weighted centroid. + var aa = a.r * a.r, + ba = b.r * b.r, + ca = c.r * c.r, + oa = aa + ba + ca, + ox = aa * a.x + ba * b.x + ca * c.x, + oy = aa * a.y + ba * b.y + ca * c.y, + cx, cy, i, j, k, sj, sk; + + // Initialize the front-chain using the first three circles a, b and c. + a = new Node$1(a), b = new Node$1(b), c = new Node$1(c); + a.next = c.previous = b; + b.next = a.previous = c; + c.next = b.previous = a; + + // Attempt to place each remaining circle… + pack: for (i = 3; i < n; ++i) { + place(a._, b._, c = circles[i]), c = new Node$1(c); + + // If there are only three elements in the front-chain… + if ((k = a.previous) === (j = b.next)) { + // If the new circle intersects the third circle, + // rotate the front chain to try the next position. + if (intersects(j._, c._)) { + a = b, b = j, --i; + continue pack; + } + } + + // Find the closest intersecting circle on the front-chain, if any. + else { + sj = j._.r, sk = k._.r; + do { + if (sj <= sk) { + if (intersects(j._, c._)) { + b = j, a.next = b, b.previous = a, --i; + continue pack; + } + j = j.next, sj += j._.r; + } else { + if (intersects(k._, c._)) { + a = k, a.next = b, b.previous = a, --i; + continue pack; + } + k = k.previous, sk += k._.r; + } + } while (j !== k.next); + } + + // Success! Insert the new circle c between a and b. + c.previous = a, c.next = b, a.next = b.previous = b = c; + + // Update the weighted centroid. + oa += ca = c._.r * c._.r; + ox += ca * c._.x; + oy += ca * c._.y; + + // Compute the new closest circle a to centroid. + aa = distance2(a._, cx = ox / oa, cy = oy / oa); + while ((c = c.next) !== b) { + if ((ca = distance2(c._, cx, cy)) < aa) { + a = c, aa = ca; + } + } + b = a.next; + } + + // Compute the enclosing circle of the front chain. + a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a); + + // Translate the circles to put the enclosing circle around the origin. + for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y; + + return c.r; + } + + function siblings(circles) { + packEnclose(circles); + return circles; + } + + function optional(f) { + return f == null ? null : required(f); + } + + function required(f) { + if (typeof f !== "function") throw new Error; + return f; + } + + function constantZero() { + return 0; + } + + function constant$5(x) { + return function() { + return x; + }; + } + + function defaultRadius(d) { + return Math.sqrt(d.value); + } + + function index() { + var radius = null, + dx = 1, + dy = 1, + padding = constantZero; + + function pack(root) { + root.x = dx / 2, root.y = dy / 2; + if (radius) { + root.eachBefore(radiusLeaf(radius)) + .eachAfter(packChildren(padding, 0.5)) + .eachBefore(translateChild(1)); + } else { + root.eachBefore(radiusLeaf(defaultRadius)) + .eachAfter(packChildren(constantZero, 1)) + .eachAfter(packChildren(padding, root.r / Math.min(dx, dy))) + .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r))); + } + return root; + } + + pack.radius = function(x) { + return arguments.length ? (radius = optional(x), pack) : radius; + }; + + pack.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], pack) : [dx, dy]; + }; + + pack.padding = function(x) { + return arguments.length ? (padding = typeof x === "function" ? x : constant$5(+x), pack) : padding; + }; + + return pack; + } + + function radiusLeaf(radius) { + return function(node) { + if (!node.children) { + node.r = Math.max(0, +radius(node) || 0); + } + }; + } + + function packChildren(padding, k) { + return function(node) { + if (children = node.children) { + var children, + i, + n = children.length, + r = padding(node) * k || 0, + e; + + if (r) for (i = 0; i < n; ++i) children[i].r += r; + e = packEnclose(children); + if (r) for (i = 0; i < n; ++i) children[i].r -= r; + node.r = e + r; + } + }; + } + + function translateChild(k) { + return function(node) { + var parent = node.parent; + node.r *= k; + if (parent) { + node.x = parent.x + k * node.x; + node.y = parent.y + k * node.y; + } + }; + } + + function roundNode(node) { + node.x0 = Math.round(node.x0); + node.y0 = Math.round(node.y0); + node.x1 = Math.round(node.x1); + node.y1 = Math.round(node.y1); + } + + function treemapDice(parent, x0, y0, x1, y1) { + var nodes = parent.children, + node, + i = -1, + n = nodes.length, + k = parent.value && (x1 - x0) / parent.value; + + while (++i < n) { + node = nodes[i], node.y0 = y0, node.y1 = y1; + node.x0 = x0, node.x1 = x0 += node.value * k; + } + } + + function partition() { + var dx = 1, + dy = 1, + padding = 0, + round = false; + + function partition(root) { + var n = root.height + 1; + root.x0 = + root.y0 = padding; + root.x1 = dx; + root.y1 = dy / n; + root.eachBefore(positionNode(dy, n)); + if (round) root.eachBefore(roundNode); + return root; + } + + function positionNode(dy, n) { + return function(node) { + if (node.children) { + treemapDice(node, node.x0, dy * (node.depth + 1) / n, node.x1, dy * (node.depth + 2) / n); + } + var x0 = node.x0, + y0 = node.y0, + x1 = node.x1 - padding, + y1 = node.y1 - padding; + if (x1 < x0) x0 = x1 = (x0 + x1) / 2; + if (y1 < y0) y0 = y1 = (y0 + y1) / 2; + node.x0 = x0; + node.y0 = y0; + node.x1 = x1; + node.y1 = y1; + }; + } + + partition.round = function(x) { + return arguments.length ? (round = !!x, partition) : round; + }; + + partition.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], partition) : [dx, dy]; + }; + + partition.padding = function(x) { + return arguments.length ? (padding = +x, partition) : padding; + }; + + return partition; + } + +var keyPrefix$1 = "$"; + var preroot = {depth: -1}; + var ambiguous = {}; + function defaultId(d) { + return d.id; + } + + function defaultParentId(d) { + return d.parentId; + } + + function stratify() { + var id = defaultId, + parentId = defaultParentId; + + function stratify(data) { + var d, + i, + n = data.length, + root, + parent, + node, + nodes = new Array(n), + nodeId, + nodeKey, + nodeByKey = {}; + + for (i = 0; i < n; ++i) { + d = data[i], node = nodes[i] = new Node(d); + if ((nodeId = id(d, i, data)) != null && (nodeId += "")) { + nodeKey = keyPrefix$1 + (node.id = nodeId); + nodeByKey[nodeKey] = nodeKey in nodeByKey ? ambiguous : node; + } + } + + for (i = 0; i < n; ++i) { + node = nodes[i], nodeId = parentId(data[i], i, data); + if (nodeId == null || !(nodeId += "")) { + if (root) throw new Error("multiple roots"); + root = node; + } else { + parent = nodeByKey[keyPrefix$1 + nodeId]; + if (!parent) throw new Error("missing: " + nodeId); + if (parent === ambiguous) throw new Error("ambiguous: " + nodeId); + if (parent.children) parent.children.push(node); + else parent.children = [node]; + node.parent = parent; + } + } + + if (!root) throw new Error("no root"); + root.parent = preroot; + root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight); + root.parent = null; + if (n > 0) throw new Error("cycle"); + + return root; + } + + stratify.id = function(x) { + return arguments.length ? (id = required(x), stratify) : id; + }; + + stratify.parentId = function(x) { + return arguments.length ? (parentId = required(x), stratify) : parentId; + }; + + return stratify; + } + + function defaultSeparation$1(a, b) { + return a.parent === b.parent ? 1 : 2; + } + + // function radialSeparation(a, b) { + // return (a.parent === b.parent ? 1 : 2) / a.depth; + // } + + // This function is used to traverse the left contour of a subtree (or + // subforest). It returns the successor of v on this contour. This successor is + // either given by the leftmost child of v or by the thread of v. The function + // returns null if and only if v is on the highest level of its subtree. + function nextLeft(v) { + var children = v.children; + return children ? children[0] : v.t; + } + + // This function works analogously to nextLeft. + function nextRight(v) { + var children = v.children; + return children ? children[children.length - 1] : v.t; + } + + // Shifts the current subtree rooted at w+. This is done by increasing + // prelim(w+) and mod(w+) by shift. + function moveSubtree(wm, wp, shift) { + var change = shift / (wp.i - wm.i); + wp.c -= change; + wp.s += shift; + wm.c += change; + wp.z += shift; + wp.m += shift; + } + + // All other shifts, applied to the smaller subtrees between w- and w+, are + // performed by this function. To prepare the shifts, we have to adjust + // change(w+), shift(w+), and change(w-). + function executeShifts(v) { + var shift = 0, + change = 0, + children = v.children, + i = children.length, + w; + while (--i >= 0) { + w = children[i]; + w.z += shift; + w.m += shift; + shift += w.s + (change += w.c); + } + } + + // If vi-’s ancestor is a sibling of v, returns vi-’s ancestor. Otherwise, + // returns the specified (default) ancestor. + function nextAncestor(vim, v, ancestor) { + return vim.a.parent === v.parent ? vim.a : ancestor; + } + + function TreeNode(node, i) { + this._ = node; + this.parent = null; + this.children = null; + this.A = null; // default ancestor + this.a = this; // ancestor + this.z = 0; // prelim + this.m = 0; // mod + this.c = 0; // change + this.s = 0; // shift + this.t = null; // thread + this.i = i; // number + } + + TreeNode.prototype = Object.create(Node.prototype); + + function treeRoot(root) { + var tree = new TreeNode(root, 0), + node, + nodes = [tree], + child, + children, + i, + n; + + while (node = nodes.pop()) { + if (children = node._.children) { + node.children = new Array(n = children.length); + for (i = n - 1; i >= 0; --i) { + nodes.push(child = node.children[i] = new TreeNode(children[i], i)); + child.parent = node; + } + } + } + + (tree.parent = new TreeNode(null, 0)).children = [tree]; + return tree; + } + + // Node-link tree diagram using the Reingold-Tilford "tidy" algorithm + function tree() { + var separation = defaultSeparation$1, + dx = 1, + dy = 1, + nodeSize = null; + + function tree(root) { + var t = treeRoot(root); + + // Compute the layout using Buchheim et al.’s algorithm. + t.eachAfter(firstWalk), t.parent.m = -t.z; + t.eachBefore(secondWalk); + + // If a fixed node size is specified, scale x and y. + if (nodeSize) root.eachBefore(sizeNode); + + // If a fixed tree size is specified, scale x and y based on the extent. + // Compute the left-most, right-most, and depth-most nodes for extents. + else { + var left = root, + right = root, + bottom = root; + root.eachBefore(function(node) { + if (node.x < left.x) left = node; + if (node.x > right.x) right = node; + if (node.depth > bottom.depth) bottom = node; + }); + var s = left === right ? 1 : separation(left, right) / 2, + tx = s - left.x, + kx = dx / (right.x + s + tx), + ky = dy / (bottom.depth || 1); + root.eachBefore(function(node) { + node.x = (node.x + tx) * kx; + node.y = node.depth * ky; + }); + } + + return root; + } + + // Computes a preliminary x-coordinate for v. Before that, FIRST WALK is + // applied recursively to the children of v, as well as the function + // APPORTION. After spacing out the children by calling EXECUTE SHIFTS, the + // node v is placed to the midpoint of its outermost children. + function firstWalk(v) { + var children = v.children, + siblings = v.parent.children, + w = v.i ? siblings[v.i - 1] : null; + if (children) { + executeShifts(v); + var midpoint = (children[0].z + children[children.length - 1].z) / 2; + if (w) { + v.z = w.z + separation(v._, w._); + v.m = v.z - midpoint; + } else { + v.z = midpoint; + } + } else if (w) { + v.z = w.z + separation(v._, w._); + } + v.parent.A = apportion(v, w, v.parent.A || siblings[0]); + } + + // Computes all real x-coordinates by summing up the modifiers recursively. + function secondWalk(v) { + v._.x = v.z + v.parent.m; + v.m += v.parent.m; + } + + // The core of the algorithm. Here, a new subtree is combined with the + // previous subtrees. Threads are used to traverse the inside and outside + // contours of the left and right subtree up to the highest common level. The + // vertices used for the traversals are vi+, vi-, vo-, and vo+, where the + // superscript o means outside and i means inside, the subscript - means left + // subtree and + means right subtree. For summing up the modifiers along the + // contour, we use respective variables si+, si-, so-, and so+. Whenever two + // nodes of the inside contours conflict, we compute the left one of the + // greatest uncommon ancestors using the function ANCESTOR and call MOVE + // SUBTREE to shift the subtree and prepare the shifts of smaller subtrees. + // Finally, we add a new thread (if necessary). + function apportion(v, w, ancestor) { + if (w) { + var vip = v, + vop = v, + vim = w, + vom = vip.parent.children[0], + sip = vip.m, + sop = vop.m, + sim = vim.m, + som = vom.m, + shift; + while (vim = nextRight(vim), vip = nextLeft(vip), vim && vip) { + vom = nextLeft(vom); + vop = nextRight(vop); + vop.a = v; + shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); + if (shift > 0) { + moveSubtree(nextAncestor(vim, v, ancestor), v, shift); + sip += shift; + sop += shift; + } + sim += vim.m; + sip += vip.m; + som += vom.m; + sop += vop.m; + } + if (vim && !nextRight(vop)) { + vop.t = vim; + vop.m += sim - sop; + } + if (vip && !nextLeft(vom)) { + vom.t = vip; + vom.m += sip - som; + ancestor = v; + } + } + return ancestor; + } + + function sizeNode(node) { + node.x *= dx; + node.y = node.depth * dy; + } + + tree.separation = function(x) { + return arguments.length ? (separation = x, tree) : separation; + }; + + tree.size = function(x) { + return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], tree) : (nodeSize ? null : [dx, dy]); + }; + + tree.nodeSize = function(x) { + return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], tree) : (nodeSize ? [dx, dy] : null); + }; + + return tree; + } + + function treemapSlice(parent, x0, y0, x1, y1) { + var nodes = parent.children, + node, + i = -1, + n = nodes.length, + k = parent.value && (y1 - y0) / parent.value; + + while (++i < n) { + node = nodes[i], node.x0 = x0, node.x1 = x1; + node.y0 = y0, node.y1 = y0 += node.value * k; + } + } + + var phi = (1 + Math.sqrt(5)) / 2; + + function squarifyRatio(ratio, parent, x0, y0, x1, y1) { + var rows = [], + nodes = parent.children, + row, + nodeValue, + i0 = 0, + i1, + n = nodes.length, + dx, dy, + value = parent.value, + sumValue, + minValue, + maxValue, + newRatio, + minRatio, + alpha, + beta; + + while (i0 < n) { + dx = x1 - x0, dy = y1 - y0; + minValue = maxValue = sumValue = nodes[i0].value; + alpha = Math.max(dy / dx, dx / dy) / (value * ratio); + beta = sumValue * sumValue * alpha; + minRatio = Math.max(maxValue / beta, beta / minValue); + + // Keep adding nodes while the aspect ratio maintains or improves. + for (i1 = i0 + 1; i1 < n; ++i1) { + sumValue += nodeValue = nodes[i1].value; + if (nodeValue < minValue) minValue = nodeValue; + if (nodeValue > maxValue) maxValue = nodeValue; + beta = sumValue * sumValue * alpha; + newRatio = Math.max(maxValue / beta, beta / minValue); + if (newRatio > minRatio) { sumValue -= nodeValue; break; } + minRatio = newRatio; + } + + // Position and record the row orientation. + rows.push(row = {value: sumValue, dice: dx < dy, children: nodes.slice(i0, i1)}); + if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += dy * sumValue / value : y1); + else treemapSlice(row, x0, y0, value ? x0 += dx * sumValue / value : x1, y1); + value -= sumValue, i0 = i1; + } + + return rows; + } + + var squarify = (function custom(ratio) { + + function squarify(parent, x0, y0, x1, y1) { + squarifyRatio(ratio, parent, x0, y0, x1, y1); + } + + squarify.ratio = function(x) { + return custom((x = +x) > 1 ? x : 1); + }; + + return squarify; + })(phi); + + function index$1() { + var tile = squarify, + round = false, + dx = 1, + dy = 1, + paddingStack = [0], + paddingInner = constantZero, + paddingTop = constantZero, + paddingRight = constantZero, + paddingBottom = constantZero, + paddingLeft = constantZero; + + function treemap(root) { + root.x0 = + root.y0 = 0; + root.x1 = dx; + root.y1 = dy; + root.eachBefore(positionNode); + paddingStack = [0]; + if (round) root.eachBefore(roundNode); + return root; + } + + function positionNode(node) { + var p = paddingStack[node.depth], + x0 = node.x0 + p, + y0 = node.y0 + p, + x1 = node.x1 - p, + y1 = node.y1 - p; + if (x1 < x0) x0 = x1 = (x0 + x1) / 2; + if (y1 < y0) y0 = y1 = (y0 + y1) / 2; + node.x0 = x0; + node.y0 = y0; + node.x1 = x1; + node.y1 = y1; + if (node.children) { + p = paddingStack[node.depth + 1] = paddingInner(node) / 2; + x0 += paddingLeft(node) - p; + y0 += paddingTop(node) - p; + x1 -= paddingRight(node) - p; + y1 -= paddingBottom(node) - p; + if (x1 < x0) x0 = x1 = (x0 + x1) / 2; + if (y1 < y0) y0 = y1 = (y0 + y1) / 2; + tile(node, x0, y0, x1, y1); + } + } + + treemap.round = function(x) { + return arguments.length ? (round = !!x, treemap) : round; + }; + + treemap.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], treemap) : [dx, dy]; + }; + + treemap.tile = function(x) { + return arguments.length ? (tile = required(x), treemap) : tile; + }; + + treemap.padding = function(x) { + return arguments.length ? treemap.paddingInner(x).paddingOuter(x) : treemap.paddingInner(); + }; + + treemap.paddingInner = function(x) { + return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$5(+x), treemap) : paddingInner; + }; + + treemap.paddingOuter = function(x) { + return arguments.length ? treemap.paddingTop(x).paddingRight(x).paddingBottom(x).paddingLeft(x) : treemap.paddingTop(); + }; + + treemap.paddingTop = function(x) { + return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$5(+x), treemap) : paddingTop; + }; + + treemap.paddingRight = function(x) { + return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$5(+x), treemap) : paddingRight; + }; + + treemap.paddingBottom = function(x) { + return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$5(+x), treemap) : paddingBottom; + }; + + treemap.paddingLeft = function(x) { + return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$5(+x), treemap) : paddingLeft; + }; + + return treemap; + } + + function binary(parent, x0, y0, x1, y1) { + var nodes = parent.children, + i, n = nodes.length, + sum, sums = new Array(n + 1); + + for (sums[0] = sum = i = 0; i < n; ++i) { + sums[i + 1] = sum += nodes[i].value; + } + + partition(0, n, parent.value, x0, y0, x1, y1); + + function partition(i, j, value, x0, y0, x1, y1) { + if (i >= j - 1) { + var node = nodes[i]; + node.x0 = x0, node.y0 = y0; + node.x1 = x1, node.y1 = y1; + return; + } + + var valueOffset = sums[i], + valueTarget = (value / 2) + valueOffset, + k = i + 1, + hi = j - 1; + + while (k < hi) { + var mid = k + hi >>> 1; + if (sums[mid] < valueTarget) k = mid + 1; + else hi = mid; + } + + var valueLeft = sums[k] - valueOffset, + valueRight = value - valueLeft; + + if ((y1 - y0) > (x1 - x0)) { + var yk = (y0 * valueRight + y1 * valueLeft) / value; + partition(i, k, valueLeft, x0, y0, x1, yk); + partition(k, j, valueRight, x0, yk, x1, y1); + } else { + var xk = (x0 * valueRight + x1 * valueLeft) / value; + partition(i, k, valueLeft, x0, y0, xk, y1); + partition(k, j, valueRight, xk, y0, x1, y1); + } + } + } + + function sliceDice(parent, x0, y0, x1, y1) { + (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); + } + + var resquarify = (function custom(ratio) { + + function resquarify(parent, x0, y0, x1, y1) { + if ((rows = parent._squarify) && (rows.ratio === ratio)) { + var rows, + row, + nodes, + i, + j = -1, + n, + m = rows.length, + value = parent.value; + + while (++j < m) { + row = rows[j], nodes = row.children; + for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value; + if (row.dice) treemapDice(row, x0, y0, x1, y0 += (y1 - y0) * row.value / value); + else treemapSlice(row, x0, y0, x0 += (x1 - x0) * row.value / value, y1); + value -= row.value; + } + } else { + parent._squarify = rows = squarifyRatio(ratio, parent, x0, y0, x1, y1); + rows.ratio = ratio; + } + } + + resquarify.ratio = function(x) { + return custom((x = +x) > 1 ? x : 1); + }; + + return resquarify; + })(phi); + + function center$1(x, y) { + var nodes; + + if (x == null) x = 0; + if (y == null) y = 0; + + function force() { + var i, + n = nodes.length, + node, + sx = 0, + sy = 0; + + for (i = 0; i < n; ++i) { + node = nodes[i], sx += node.x, sy += node.y; + } + + for (sx = sx / n - x, sy = sy / n - y, i = 0; i < n; ++i) { + node = nodes[i], node.x -= sx, node.y -= sy; + } + } + + force.initialize = function(_) { + nodes = _; + }; + + force.x = function(_) { + return arguments.length ? (x = +_, force) : x; + }; + + force.y = function(_) { + return arguments.length ? (y = +_, force) : y; + }; + + return force; + } + + function constant$6(x) { + return function() { + return x; + }; + } + + function jiggle() { + return (Math.random() - 0.5) * 1e-6; + } + + function x$1(d) { + return d.x + d.vx; + } + + function y$1(d) { + return d.y + d.vy; + } + + function collide(radius) { + var nodes, + radii, + strength = 1, + iterations = 1; + + if (typeof radius !== "function") radius = constant$6(radius == null ? 1 : +radius); + + function force() { + var i, n = nodes.length, + tree, + node, + xi, + yi, + ri, + ri2; + + for (var k = 0; k < iterations; ++k) { + tree = quadtree(nodes, x$1, y$1).visitAfter(prepare); + for (i = 0; i < n; ++i) { + node = nodes[i]; + ri = radii[i], ri2 = ri * ri; + xi = node.x + node.vx; + yi = node.y + node.vy; + tree.visit(apply); + } + } + + function apply(quad, x0, y0, x1, y1) { + var data = quad.data, rj = quad.r, r = ri + rj; + if (data) { + if (data.index > i) { + var x = xi - data.x - data.vx, + y = yi - data.y - data.vy, + l = x * x + y * y; + if (l < r * r) { + if (x === 0) x = jiggle(), l += x * x; + if (y === 0) y = jiggle(), l += y * y; + l = (r - (l = Math.sqrt(l))) / l * strength; + node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj)); + node.vy += (y *= l) * r; + data.vx -= x * (r = 1 - r); + data.vy -= y * r; + } + } + return; + } + return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r; + } + } + + function prepare(quad) { + if (quad.data) return quad.r = radii[quad.data.index]; + for (var i = quad.r = 0; i < 4; ++i) { + if (quad[i] && quad[i].r > quad.r) { + quad.r = quad[i].r; + } + } + } + + force.initialize = function(_) { + var i, n = (nodes = _).length; radii = new Array(n); + for (i = 0; i < n; ++i) radii[i] = +radius(nodes[i], i, nodes); + }; + + force.iterations = function(_) { + return arguments.length ? (iterations = +_, force) : iterations; + }; + + force.strength = function(_) { + return arguments.length ? (strength = +_, force) : strength; + }; + + force.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$6(+_), force) : radius; + }; + + return force; + } + + function index$2(d, i) { + return i; + } + + function link(links) { + var id = index$2, + strength = defaultStrength, + strengths, + distance = constant$6(30), + distances, + nodes, + count, + bias, + iterations = 1; + + if (links == null) links = []; + + function defaultStrength(link) { + return 1 / Math.min(count[link.source.index], count[link.target.index]); + } + + function force(alpha) { + for (var k = 0, n = links.length; k < iterations; ++k) { + for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) { + link = links[i], source = link.source, target = link.target; + x = target.x + target.vx - source.x - source.vx || jiggle(); + y = target.y + target.vy - source.y - source.vy || jiggle(); + l = Math.sqrt(x * x + y * y); + l = (l - distances[i]) / l * alpha * strengths[i]; + x *= l, y *= l; + target.vx -= x * (b = bias[i]); + target.vy -= y * b; + source.vx += x * (b = 1 - b); + source.vy += y * b; + } + } + } + + function initialize() { + if (!nodes) return; + + var i, + n = nodes.length, + m = links.length, + nodeById = map$1(nodes, id), + link; + + for (i = 0, count = new Array(n); i < n; ++i) { + count[i] = 0; + } + + for (i = 0; i < m; ++i) { + link = links[i], link.index = i; + if (typeof link.source !== "object") link.source = nodeById.get(link.source); + if (typeof link.target !== "object") link.target = nodeById.get(link.target); + ++count[link.source.index], ++count[link.target.index]; + } + + for (i = 0, bias = new Array(m); i < m; ++i) { + link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]); + } + + strengths = new Array(m), initializeStrength(); + distances = new Array(m), initializeDistance(); + } + + function initializeStrength() { + if (!nodes) return; + + for (var i = 0, n = links.length; i < n; ++i) { + strengths[i] = +strength(links[i], i, links); + } + } + + function initializeDistance() { + if (!nodes) return; + + for (var i = 0, n = links.length; i < n; ++i) { + distances[i] = +distance(links[i], i, links); + } + } + + force.initialize = function(_) { + nodes = _; + initialize(); + }; + + force.links = function(_) { + return arguments.length ? (links = _, initialize(), force) : links; + }; + + force.id = function(_) { + return arguments.length ? (id = _, force) : id; + }; + + force.iterations = function(_) { + return arguments.length ? (iterations = +_, force) : iterations; + }; + + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initializeStrength(), force) : strength; + }; + + force.distance = function(_) { + return arguments.length ? (distance = typeof _ === "function" ? _ : constant$6(+_), initializeDistance(), force) : distance; + }; + + return force; + } + + function x$2(d) { + return d.x; + } + + function y$2(d) { + return d.y; + } + + var initialRadius = 10; + var initialAngle = Math.PI * (3 - Math.sqrt(5)); + function simulation(nodes) { + var simulation, + alpha = 1, + alphaMin = 0.001, + alphaDecay = 1 - Math.pow(alphaMin, 1 / 300), + alphaTarget = 0, + velocityDecay = 0.6, + forces = map$1(), + stepper = timer(step), + event = dispatch("tick", "end"); + + if (nodes == null) nodes = []; + + function step() { + tick(); + event.call("tick", simulation); + if (alpha < alphaMin) { + stepper.stop(); + event.call("end", simulation); + } + } + + function tick() { + var i, n = nodes.length, node; + + alpha += (alphaTarget - alpha) * alphaDecay; + + forces.each(function(force) { + force(alpha); + }); + + for (i = 0; i < n; ++i) { + node = nodes[i]; + if (node.fx == null) node.x += node.vx *= velocityDecay; + else node.x = node.fx, node.vx = 0; + if (node.fy == null) node.y += node.vy *= velocityDecay; + else node.y = node.fy, node.vy = 0; + } + } + + function initializeNodes() { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.index = i; + if (isNaN(node.x) || isNaN(node.y)) { + var radius = initialRadius * Math.sqrt(i), angle = i * initialAngle; + node.x = radius * Math.cos(angle); + node.y = radius * Math.sin(angle); + } + if (isNaN(node.vx) || isNaN(node.vy)) { + node.vx = node.vy = 0; + } + } + } + + function initializeForce(force) { + if (force.initialize) force.initialize(nodes); + return force; + } + + initializeNodes(); + + return simulation = { + tick: tick, + + restart: function() { + return stepper.restart(step), simulation; + }, + + stop: function() { + return stepper.stop(), simulation; + }, + + nodes: function(_) { + return arguments.length ? (nodes = _, initializeNodes(), forces.each(initializeForce), simulation) : nodes; + }, + + alpha: function(_) { + return arguments.length ? (alpha = +_, simulation) : alpha; + }, + + alphaMin: function(_) { + return arguments.length ? (alphaMin = +_, simulation) : alphaMin; + }, + + alphaDecay: function(_) { + return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay; + }, + + alphaTarget: function(_) { + return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget; + }, + + velocityDecay: function(_) { + return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay; + }, + + force: function(name, _) { + return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); + }, + + find: function(x, y, radius) { + var i = 0, + n = nodes.length, + dx, + dy, + d2, + node, + closest; + + if (radius == null) radius = Infinity; + else radius *= radius; + + for (i = 0; i < n; ++i) { + node = nodes[i]; + dx = x - node.x; + dy = y - node.y; + d2 = dx * dx + dy * dy; + if (d2 < radius) closest = node, radius = d2; + } + + return closest; + }, + + on: function(name, _) { + return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); + } + }; + } + + function manyBody() { + var nodes, + node, + alpha, + strength = constant$6(-30), + strengths, + distanceMin2 = 1, + distanceMax2 = Infinity, + theta2 = 0.81; + + function force(_) { + var i, n = nodes.length, tree = quadtree(nodes, x$2, y$2).visitAfter(accumulate); + for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); + } + + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + for (i = 0; i < n; ++i) strengths[i] = +strength(nodes[i], i, nodes); + } + + function accumulate(quad) { + var strength = 0, q, c, x, y, i; + + // For internal nodes, accumulate forces from child quadrants. + if (quad.length) { + for (x = y = i = 0; i < 4; ++i) { + if ((q = quad[i]) && (c = q.value)) { + strength += c, x += c * q.x, y += c * q.y; + } + } + quad.x = x / strength; + quad.y = y / strength; + } + + // For leaf nodes, accumulate forces from coincident quadrants. + else { + q = quad; + q.x = q.data.x; + q.y = q.data.y; + do strength += strengths[q.data.index]; + while (q = q.next); + } + + quad.value = strength; + } + + function apply(quad, x1, _, x2) { + if (!quad.value) return true; + + var x = quad.x - node.x, + y = quad.y - node.y, + w = x2 - x1, + l = x * x + y * y; + + // Apply the Barnes-Hut approximation if possible. + // Limit forces for very close nodes; randomize direction if coincident. + if (w * w / theta2 < l) { + if (l < distanceMax2) { + if (x === 0) x = jiggle(), l += x * x; + if (y === 0) y = jiggle(), l += y * y; + if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); + node.vx += x * quad.value * alpha / l; + node.vy += y * quad.value * alpha / l; + } + return true; + } + + // Otherwise, process points directly. + else if (quad.length || l >= distanceMax2) return; + + // Limit forces for very close nodes; randomize direction if coincident. + if (quad.data !== node || quad.next) { + if (x === 0) x = jiggle(), l += x * x; + if (y === 0) y = jiggle(), l += y * y; + if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); + } + + do if (quad.data !== node) { + w = strengths[quad.data.index] * alpha / l; + node.vx += x * w; + node.vy += y * w; + } while (quad = quad.next); + } + + force.initialize = function(_) { + nodes = _; + initialize(); + }; + + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + }; + + force.distanceMin = function(_) { + return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2); + }; + + force.distanceMax = function(_) { + return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2); + }; + + force.theta = function(_) { + return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2); + }; + + return force; + } + + function x$3(x) { + var strength = constant$6(0.1), + nodes, + strengths, + xz; + + if (typeof x !== "function") x = constant$6(x == null ? 0 : +x); + + function force(alpha) { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha; + } + } + + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + xz = new Array(n); + for (i = 0; i < n; ++i) { + strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + } + } + + force.initialize = function(_) { + nodes = _; + initialize(); + }; + + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + }; + + force.x = function(_) { + return arguments.length ? (x = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : x; + }; + + return force; + } + + function y$3(y) { + var strength = constant$6(0.1), + nodes, + strengths, + yz; + + if (typeof y !== "function") y = constant$6(y == null ? 0 : +y); + + function force(alpha) { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha; + } + } + + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + yz = new Array(n); + for (i = 0; i < n; ++i) { + strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + } + } + + force.initialize = function(_) { + nodes = _; + initialize(); + }; + + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + }; + + force.y = function(_) { + return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : y; + }; + + return force; + } + + function nopropagation() { + exports.event.stopImmediatePropagation(); + } + + function noevent() { + exports.event.preventDefault(); + exports.event.stopImmediatePropagation(); + } + + function dragDisable(view) { + var root = view.document.documentElement, + selection = select(view).on("dragstart.drag", noevent, true); + if ("onselectstart" in root) { + selection.on("selectstart.drag", noevent, true); + } else { + root.__noselect = root.style.MozUserSelect; + root.style.MozUserSelect = "none"; + } + } + + function dragEnable(view, noclick) { + var root = view.document.documentElement, + selection = select(view).on("dragstart.drag", null); + if (noclick) { + selection.on("click.drag", noevent, true); + setTimeout(function() { selection.on("click.drag", null); }, 0); + } + if ("onselectstart" in root) { + selection.on("selectstart.drag", null); + } else { + root.style.MozUserSelect = root.__noselect; + delete root.__noselect; + } + } + + function constant$7(x) { + return function() { + return x; + }; + } + + function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) { + this.target = target; + this.type = type; + this.subject = subject; + this.identifier = id; + this.active = active; + this.x = x; + this.y = y; + this.dx = dx; + this.dy = dy; + this._ = dispatch; + } + + DragEvent.prototype.on = function() { + var value = this._.on.apply(this._, arguments); + return value === this._ ? this : value; + }; + + // Ignore right-click, since that should open the context menu. + function defaultFilter() { + return !exports.event.button; + } + + function defaultContainer() { + return this.parentNode; + } + + function defaultSubject(d) { + return d == null ? {x: exports.event.x, y: exports.event.y} : d; + } + + function drag() { + var filter = defaultFilter, + container = defaultContainer, + subject = defaultSubject, + gestures = {}, + listeners = dispatch("start", "drag", "end"), + active = 0, + mousemoving, + touchending; + + function drag(selection) { + selection + .on("mousedown.drag", mousedowned) + .on("touchstart.drag", touchstarted) + .on("touchmove.drag", touchmoved) + .on("touchend.drag touchcancel.drag", touchended) + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); + } + + function mousedowned() { + if (touchending || !filter.apply(this, arguments)) return; + var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments); + if (!gesture) return; + select(exports.event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); + dragDisable(exports.event.view); + nopropagation(); + mousemoving = false; + gesture("start"); + } + + function mousemoved() { + noevent(); + mousemoving = true; + gestures.mouse("drag"); + } + + function mouseupped() { + select(exports.event.view).on("mousemove.drag mouseup.drag", null); + dragEnable(exports.event.view, mousemoving); + noevent(); + gestures.mouse("end"); + } + + function touchstarted() { + if (!filter.apply(this, arguments)) return; + var touches = exports.event.changedTouches, + c = container.apply(this, arguments), + n = touches.length, i, gesture; + + for (i = 0; i < n; ++i) { + if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) { + nopropagation(); + gesture("start"); + } + } + } + + function touchmoved() { + var touches = exports.event.changedTouches, + n = touches.length, i, gesture; + + for (i = 0; i < n; ++i) { + if (gesture = gestures[touches[i].identifier]) { + noevent(); + gesture("drag"); + } + } + } + + function touchended() { + var touches = exports.event.changedTouches, + n = touches.length, i, gesture; + + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! + for (i = 0; i < n; ++i) { + if (gesture = gestures[touches[i].identifier]) { + nopropagation(); + gesture("end"); + } + } + } + + function beforestart(id, container, point, that, args) { + var p = point(container, id), s, dx, dy, + sublisteners = listeners.copy(); + + if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { + if ((exports.event.subject = s = subject.apply(that, args)) == null) return false; + dx = s.x - p[0] || 0; + dy = s.y - p[1] || 0; + return true; + })) return; + + return function gesture(type) { + var p0 = p, n; + switch (type) { + case "start": gestures[id] = gesture, n = active++; break; + case "end": delete gestures[id], --active; // nobreak + case "drag": p = point(container, id), n = active; break; + } + customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); + }; + } + + drag.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$7(!!_), drag) : filter; + }; + + drag.container = function(_) { + return arguments.length ? (container = typeof _ === "function" ? _ : constant$7(_), drag) : container; + }; + + drag.subject = function(_) { + return arguments.length ? (subject = typeof _ === "function" ? _ : constant$7(_), drag) : subject; + }; + + drag.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? drag : value; + }; + + return drag; + } + + function constant$8(x) { + return function() { + return x; + }; + } + + function x$4(d) { + return d[0]; + } + + function y$4(d) { + return d[1]; + } + + function RedBlackTree() { + this._ = null; // root node + } + + function RedBlackNode(node) { + node.U = // parent node + node.C = // color - true for red, false for black + node.L = // left node + node.R = // right node + node.P = // previous node + node.N = null; // next node + } + + RedBlackTree.prototype = { + constructor: RedBlackTree, + + insert: function(after, node) { + var parent, grandpa, uncle; + + if (after) { + node.P = after; + node.N = after.N; + if (after.N) after.N.P = node; + after.N = node; + if (after.R) { + after = after.R; + while (after.L) after = after.L; + after.L = node; + } else { + after.R = node; + } + parent = after; + } else if (this._) { + after = RedBlackFirst(this._); + node.P = null; + node.N = after; + after.P = after.L = node; + parent = after; + } else { + node.P = node.N = null; + this._ = node; + parent = null; + } + node.L = node.R = null; + node.U = parent; + node.C = true; + + after = node; + while (parent && parent.C) { + grandpa = parent.U; + if (parent === grandpa.L) { + uncle = grandpa.R; + if (uncle && uncle.C) { + parent.C = uncle.C = false; + grandpa.C = true; + after = grandpa; + } else { + if (after === parent.R) { + RedBlackRotateLeft(this, parent); + after = parent; + parent = after.U; + } + parent.C = false; + grandpa.C = true; + RedBlackRotateRight(this, grandpa); + } + } else { + uncle = grandpa.L; + if (uncle && uncle.C) { + parent.C = uncle.C = false; + grandpa.C = true; + after = grandpa; + } else { + if (after === parent.L) { + RedBlackRotateRight(this, parent); + after = parent; + parent = after.U; + } + parent.C = false; + grandpa.C = true; + RedBlackRotateLeft(this, grandpa); + } + } + parent = after.U; + } + this._.C = false; + }, + + remove: function(node) { + if (node.N) node.N.P = node.P; + if (node.P) node.P.N = node.N; + node.N = node.P = null; + + var parent = node.U, + sibling, + left = node.L, + right = node.R, + next, + red; + + if (!left) next = right; + else if (!right) next = left; + else next = RedBlackFirst(right); + + if (parent) { + if (parent.L === node) parent.L = next; + else parent.R = next; + } else { + this._ = next; + } + + if (left && right) { + red = next.C; + next.C = node.C; + next.L = left; + left.U = next; + if (next !== right) { + parent = next.U; + next.U = node.U; + node = next.R; + parent.L = node; + next.R = right; + right.U = next; + } else { + next.U = parent; + parent = next; + node = next.R; + } + } else { + red = node.C; + node = next; + } + + if (node) node.U = parent; + if (red) return; + if (node && node.C) { node.C = false; return; } + + do { + if (node === this._) break; + if (node === parent.L) { + sibling = parent.R; + if (sibling.C) { + sibling.C = false; + parent.C = true; + RedBlackRotateLeft(this, parent); + sibling = parent.R; + } + if ((sibling.L && sibling.L.C) + || (sibling.R && sibling.R.C)) { + if (!sibling.R || !sibling.R.C) { + sibling.L.C = false; + sibling.C = true; + RedBlackRotateRight(this, sibling); + sibling = parent.R; + } + sibling.C = parent.C; + parent.C = sibling.R.C = false; + RedBlackRotateLeft(this, parent); + node = this._; + break; + } + } else { + sibling = parent.L; + if (sibling.C) { + sibling.C = false; + parent.C = true; + RedBlackRotateRight(this, parent); + sibling = parent.L; + } + if ((sibling.L && sibling.L.C) + || (sibling.R && sibling.R.C)) { + if (!sibling.L || !sibling.L.C) { + sibling.R.C = false; + sibling.C = true; + RedBlackRotateLeft(this, sibling); + sibling = parent.L; + } + sibling.C = parent.C; + parent.C = sibling.L.C = false; + RedBlackRotateRight(this, parent); + node = this._; + break; + } + } + sibling.C = true; + node = parent; + parent = parent.U; + } while (!node.C); + + if (node) node.C = false; + } + }; + + function RedBlackRotateLeft(tree, node) { + var p = node, + q = node.R, + parent = p.U; + + if (parent) { + if (parent.L === p) parent.L = q; + else parent.R = q; + } else { + tree._ = q; + } + + q.U = parent; + p.U = q; + p.R = q.L; + if (p.R) p.R.U = p; + q.L = p; + } + + function RedBlackRotateRight(tree, node) { + var p = node, + q = node.L, + parent = p.U; + + if (parent) { + if (parent.L === p) parent.L = q; + else parent.R = q; + } else { + tree._ = q; + } + + q.U = parent; + p.U = q; + p.L = q.R; + if (p.L) p.L.U = p; + q.R = p; + } + + function RedBlackFirst(node) { + while (node.L) node = node.L; + return node; + } + + function createEdge(left, right, v0, v1) { + var edge = [null, null], + index = edges.push(edge) - 1; + edge.left = left; + edge.right = right; + if (v0) setEdgeEnd(edge, left, right, v0); + if (v1) setEdgeEnd(edge, right, left, v1); + cells[left.index].halfedges.push(index); + cells[right.index].halfedges.push(index); + return edge; + } + + function createBorderEdge(left, v0, v1) { + var edge = [v0, v1]; + edge.left = left; + return edge; + } + + function setEdgeEnd(edge, left, right, vertex) { + if (!edge[0] && !edge[1]) { + edge[0] = vertex; + edge.left = left; + edge.right = right; + } else if (edge.left === right) { + edge[1] = vertex; + } else { + edge[0] = vertex; + } + } + + // Liang–Barsky line clipping. + function clipEdge(edge, x0, y0, x1, y1) { + var a = edge[0], + b = edge[1], + ax = a[0], + ay = a[1], + bx = b[0], + by = b[1], + t0 = 0, + t1 = 1, + dx = bx - ax, + dy = by - ay, + r; + + r = x0 - ax; + if (!dx && r > 0) return; + r /= dx; + if (dx < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dx > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = x1 - ax; + if (!dx && r < 0) return; + r /= dx; + if (dx < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dx > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + r = y0 - ay; + if (!dy && r > 0) return; + r /= dy; + if (dy < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dy > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = y1 - ay; + if (!dy && r < 0) return; + r /= dy; + if (dy < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dy > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + if (!(t0 > 0) && !(t1 < 1)) return true; // TODO Better check? + + if (t0 > 0) edge[0] = [ax + t0 * dx, ay + t0 * dy]; + if (t1 < 1) edge[1] = [ax + t1 * dx, ay + t1 * dy]; + return true; + } + + function connectEdge(edge, x0, y0, x1, y1) { + var v1 = edge[1]; + if (v1) return true; + + var v0 = edge[0], + left = edge.left, + right = edge.right, + lx = left[0], + ly = left[1], + rx = right[0], + ry = right[1], + fx = (lx + rx) / 2, + fy = (ly + ry) / 2, + fm, + fb; + + if (ry === ly) { + if (fx < x0 || fx >= x1) return; + if (lx > rx) { + if (!v0) v0 = [fx, y0]; + else if (v0[1] >= y1) return; + v1 = [fx, y1]; + } else { + if (!v0) v0 = [fx, y1]; + else if (v0[1] < y0) return; + v1 = [fx, y0]; + } + } else { + fm = (lx - rx) / (ry - ly); + fb = fy - fm * fx; + if (fm < -1 || fm > 1) { + if (lx > rx) { + if (!v0) v0 = [(y0 - fb) / fm, y0]; + else if (v0[1] >= y1) return; + v1 = [(y1 - fb) / fm, y1]; + } else { + if (!v0) v0 = [(y1 - fb) / fm, y1]; + else if (v0[1] < y0) return; + v1 = [(y0 - fb) / fm, y0]; + } + } else { + if (ly < ry) { + if (!v0) v0 = [x0, fm * x0 + fb]; + else if (v0[0] >= x1) return; + v1 = [x1, fm * x1 + fb]; + } else { + if (!v0) v0 = [x1, fm * x1 + fb]; + else if (v0[0] < x0) return; + v1 = [x0, fm * x0 + fb]; + } + } + } + + edge[0] = v0; + edge[1] = v1; + return true; + } + + function clipEdges(x0, y0, x1, y1) { + var i = edges.length, + edge; + + while (i--) { + if (!connectEdge(edge = edges[i], x0, y0, x1, y1) + || !clipEdge(edge, x0, y0, x1, y1) + || !(Math.abs(edge[0][0] - edge[1][0]) > epsilon$3 + || Math.abs(edge[0][1] - edge[1][1]) > epsilon$3)) { + delete edges[i]; + } + } + } + + function createCell(site) { + return cells[site.index] = { + site: site, + halfedges: [] + }; + } + + function cellHalfedgeAngle(cell, edge) { + var site = cell.site, + va = edge.left, + vb = edge.right; + if (site === vb) vb = va, va = site; + if (vb) return Math.atan2(vb[1] - va[1], vb[0] - va[0]); + if (site === va) va = edge[1], vb = edge[0]; + else va = edge[0], vb = edge[1]; + return Math.atan2(va[0] - vb[0], vb[1] - va[1]); + } + + function cellHalfedgeStart(cell, edge) { + return edge[+(edge.left !== cell.site)]; + } + + function cellHalfedgeEnd(cell, edge) { + return edge[+(edge.left === cell.site)]; + } + + function sortCellHalfedges() { + for (var i = 0, n = cells.length, cell, halfedges, j, m; i < n; ++i) { + if ((cell = cells[i]) && (m = (halfedges = cell.halfedges).length)) { + var index = new Array(m), + array = new Array(m); + for (j = 0; j < m; ++j) index[j] = j, array[j] = cellHalfedgeAngle(cell, edges[halfedges[j]]); + index.sort(function(i, j) { return array[j] - array[i]; }); + for (j = 0; j < m; ++j) array[j] = halfedges[index[j]]; + for (j = 0; j < m; ++j) halfedges[j] = array[j]; + } + } + } + + function clipCells(x0, y0, x1, y1) { + var nCells = cells.length, + iCell, + cell, + site, + iHalfedge, + halfedges, + nHalfedges, + start, + startX, + startY, + end, + endX, + endY, + cover = true; + + for (iCell = 0; iCell < nCells; ++iCell) { + if (cell = cells[iCell]) { + site = cell.site; + halfedges = cell.halfedges; + iHalfedge = halfedges.length; + + // Remove any dangling clipped edges. + while (iHalfedge--) { + if (!edges[halfedges[iHalfedge]]) { + halfedges.splice(iHalfedge, 1); + } + } + + // Insert any border edges as necessary. + iHalfedge = 0, nHalfedges = halfedges.length; + while (iHalfedge < nHalfedges) { + end = cellHalfedgeEnd(cell, edges[halfedges[iHalfedge]]), endX = end[0], endY = end[1]; + start = cellHalfedgeStart(cell, edges[halfedges[++iHalfedge % nHalfedges]]), startX = start[0], startY = start[1]; + if (Math.abs(endX - startX) > epsilon$3 || Math.abs(endY - startY) > epsilon$3) { + halfedges.splice(iHalfedge, 0, edges.push(createBorderEdge(site, end, + Math.abs(endX - x0) < epsilon$3 && y1 - endY > epsilon$3 ? [x0, Math.abs(startX - x0) < epsilon$3 ? startY : y1] + : Math.abs(endY - y1) < epsilon$3 && x1 - endX > epsilon$3 ? [Math.abs(startY - y1) < epsilon$3 ? startX : x1, y1] + : Math.abs(endX - x1) < epsilon$3 && endY - y0 > epsilon$3 ? [x1, Math.abs(startX - x1) < epsilon$3 ? startY : y0] + : Math.abs(endY - y0) < epsilon$3 && endX - x0 > epsilon$3 ? [Math.abs(startY - y0) < epsilon$3 ? startX : x0, y0] + : null)) - 1); + ++nHalfedges; + } + } + + if (nHalfedges) cover = false; + } + } + + // If there weren’t any edges, have the closest site cover the extent. + // It doesn’t matter which corner of the extent we measure! + if (cover) { + var dx, dy, d2, dc = Infinity; + + for (iCell = 0, cover = null; iCell < nCells; ++iCell) { + if (cell = cells[iCell]) { + site = cell.site; + dx = site[0] - x0; + dy = site[1] - y0; + d2 = dx * dx + dy * dy; + if (d2 < dc) dc = d2, cover = cell; + } + } + + if (cover) { + var v00 = [x0, y0], v01 = [x0, y1], v11 = [x1, y1], v10 = [x1, y0]; + cover.halfedges.push( + edges.push(createBorderEdge(site = cover.site, v00, v01)) - 1, + edges.push(createBorderEdge(site, v01, v11)) - 1, + edges.push(createBorderEdge(site, v11, v10)) - 1, + edges.push(createBorderEdge(site, v10, v00)) - 1 + ); + } + } + + // Lastly delete any cells with no edges; these were entirely clipped. + for (iCell = 0; iCell < nCells; ++iCell) { + if (cell = cells[iCell]) { + if (!cell.halfedges.length) { + delete cells[iCell]; + } + } + } + } + + var circlePool = []; + + var firstCircle; + + function Circle() { + RedBlackNode(this); + this.x = + this.y = + this.arc = + this.site = + this.cy = null; + } + + function attachCircle(arc) { + var lArc = arc.P, + rArc = arc.N; + + if (!lArc || !rArc) return; + + var lSite = lArc.site, + cSite = arc.site, + rSite = rArc.site; + + if (lSite === rSite) return; + + var bx = cSite[0], + by = cSite[1], + ax = lSite[0] - bx, + ay = lSite[1] - by, + cx = rSite[0] - bx, + cy = rSite[1] - by; + + var d = 2 * (ax * cy - ay * cx); + if (d >= -epsilon2$1) return; + + var ha = ax * ax + ay * ay, + hc = cx * cx + cy * cy, + x = (cy * ha - ay * hc) / d, + y = (ax * hc - cx * ha) / d; + + var circle = circlePool.pop() || new Circle; + circle.arc = arc; + circle.site = cSite; + circle.x = x + bx; + circle.y = (circle.cy = y + by) + Math.sqrt(x * x + y * y); // y bottom + + arc.circle = circle; + + var before = null, + node = circles._; + + while (node) { + if (circle.y < node.y || (circle.y === node.y && circle.x <= node.x)) { + if (node.L) node = node.L; + else { before = node.P; break; } + } else { + if (node.R) node = node.R; + else { before = node; break; } + } + } + + circles.insert(before, circle); + if (!before) firstCircle = circle; + } + + function detachCircle(arc) { + var circle = arc.circle; + if (circle) { + if (!circle.P) firstCircle = circle.N; + circles.remove(circle); + circlePool.push(circle); + RedBlackNode(circle); + arc.circle = null; + } + } + + var beachPool = []; + + function Beach() { + RedBlackNode(this); + this.edge = + this.site = + this.circle = null; + } + + function createBeach(site) { + var beach = beachPool.pop() || new Beach; + beach.site = site; + return beach; + } + + function detachBeach(beach) { + detachCircle(beach); + beaches.remove(beach); + beachPool.push(beach); + RedBlackNode(beach); + } + + function removeBeach(beach) { + var circle = beach.circle, + x = circle.x, + y = circle.cy, + vertex = [x, y], + previous = beach.P, + next = beach.N, + disappearing = [beach]; + + detachBeach(beach); + + var lArc = previous; + while (lArc.circle + && Math.abs(x - lArc.circle.x) < epsilon$3 + && Math.abs(y - lArc.circle.cy) < epsilon$3) { + previous = lArc.P; + disappearing.unshift(lArc); + detachBeach(lArc); + lArc = previous; + } + + disappearing.unshift(lArc); + detachCircle(lArc); + + var rArc = next; + while (rArc.circle + && Math.abs(x - rArc.circle.x) < epsilon$3 + && Math.abs(y - rArc.circle.cy) < epsilon$3) { + next = rArc.N; + disappearing.push(rArc); + detachBeach(rArc); + rArc = next; + } + + disappearing.push(rArc); + detachCircle(rArc); + + var nArcs = disappearing.length, + iArc; + for (iArc = 1; iArc < nArcs; ++iArc) { + rArc = disappearing[iArc]; + lArc = disappearing[iArc - 1]; + setEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); + } + + lArc = disappearing[0]; + rArc = disappearing[nArcs - 1]; + rArc.edge = createEdge(lArc.site, rArc.site, null, vertex); + + attachCircle(lArc); + attachCircle(rArc); + } + + function addBeach(site) { + var x = site[0], + directrix = site[1], + lArc, + rArc, + dxl, + dxr, + node = beaches._; + + while (node) { + dxl = leftBreakPoint(node, directrix) - x; + if (dxl > epsilon$3) node = node.L; else { + dxr = x - rightBreakPoint(node, directrix); + if (dxr > epsilon$3) { + if (!node.R) { + lArc = node; + break; + } + node = node.R; + } else { + if (dxl > -epsilon$3) { + lArc = node.P; + rArc = node; + } else if (dxr > -epsilon$3) { + lArc = node; + rArc = node.N; + } else { + lArc = rArc = node; + } + break; + } + } + } + + createCell(site); + var newArc = createBeach(site); + beaches.insert(lArc, newArc); + + if (!lArc && !rArc) return; + + if (lArc === rArc) { + detachCircle(lArc); + rArc = createBeach(lArc.site); + beaches.insert(newArc, rArc); + newArc.edge = rArc.edge = createEdge(lArc.site, newArc.site); + attachCircle(lArc); + attachCircle(rArc); + return; + } + + if (!rArc) { // && lArc + newArc.edge = createEdge(lArc.site, newArc.site); + return; + } + + // else lArc !== rArc + detachCircle(lArc); + detachCircle(rArc); + + var lSite = lArc.site, + ax = lSite[0], + ay = lSite[1], + bx = site[0] - ax, + by = site[1] - ay, + rSite = rArc.site, + cx = rSite[0] - ax, + cy = rSite[1] - ay, + d = 2 * (bx * cy - by * cx), + hb = bx * bx + by * by, + hc = cx * cx + cy * cy, + vertex = [(cy * hb - by * hc) / d + ax, (bx * hc - cx * hb) / d + ay]; + + setEdgeEnd(rArc.edge, lSite, rSite, vertex); + newArc.edge = createEdge(lSite, site, null, vertex); + rArc.edge = createEdge(site, rSite, null, vertex); + attachCircle(lArc); + attachCircle(rArc); + } + + function leftBreakPoint(arc, directrix) { + var site = arc.site, + rfocx = site[0], + rfocy = site[1], + pby2 = rfocy - directrix; + + if (!pby2) return rfocx; + + var lArc = arc.P; + if (!lArc) return -Infinity; + + site = lArc.site; + var lfocx = site[0], + lfocy = site[1], + plby2 = lfocy - directrix; + + if (!plby2) return lfocx; + + var hl = lfocx - rfocx, + aby2 = 1 / pby2 - 1 / plby2, + b = hl / plby2; + + if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; + + return (rfocx + lfocx) / 2; + } + + function rightBreakPoint(arc, directrix) { + var rArc = arc.N; + if (rArc) return leftBreakPoint(rArc, directrix); + var site = arc.site; + return site[1] === directrix ? site[0] : Infinity; + } + + var epsilon$3 = 1e-6; + var epsilon2$1 = 1e-12; + var beaches; + var cells; + var circles; + var edges; + + function triangleArea(a, b, c) { + return (a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]); + } + + function lexicographic(a, b) { + return b[1] - a[1] + || b[0] - a[0]; + } + + function Diagram(sites, extent) { + var site = sites.sort(lexicographic).pop(), + x, + y, + circle; + + edges = []; + cells = new Array(sites.length); + beaches = new RedBlackTree; + circles = new RedBlackTree; + + while (true) { + circle = firstCircle; + if (site && (!circle || site[1] < circle.y || (site[1] === circle.y && site[0] < circle.x))) { + if (site[0] !== x || site[1] !== y) { + addBeach(site); + x = site[0], y = site[1]; + } + site = sites.pop(); + } else if (circle) { + removeBeach(circle.arc); + } else { + break; + } + } + + sortCellHalfedges(); + + if (extent) { + var x0 = +extent[0][0], + y0 = +extent[0][1], + x1 = +extent[1][0], + y1 = +extent[1][1]; + clipEdges(x0, y0, x1, y1); + clipCells(x0, y0, x1, y1); + } + + this.edges = edges; + this.cells = cells; + + beaches = + circles = + edges = + cells = null; + } + + Diagram.prototype = { + constructor: Diagram, + + polygons: function() { + var edges = this.edges; + + return this.cells.map(function(cell) { + var polygon = cell.halfedges.map(function(i) { return cellHalfedgeStart(cell, edges[i]); }); + polygon.data = cell.site.data; + return polygon; + }); + }, + + triangles: function() { + var triangles = [], + edges = this.edges; + + this.cells.forEach(function(cell, i) { + var site = cell.site, + halfedges = cell.halfedges, + j = -1, + m = halfedges.length, + s0, + e1 = edges[halfedges[m - 1]], + s1 = e1.left === site ? e1.right : e1.left; + + while (++j < m) { + s0 = s1; + e1 = edges[halfedges[j]]; + s1 = e1.left === site ? e1.right : e1.left; + if (i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) { + triangles.push([site.data, s0.data, s1.data]); + } + } + }); + + return triangles; + }, + + links: function() { + return this.edges.filter(function(edge) { + return edge.right; + }).map(function(edge) { + return { + source: edge.left.data, + target: edge.right.data + }; + }); + } + } + + function voronoi() { + var x = x$4, + y = y$4, + extent = null; + + function voronoi(data) { + return new Diagram(data.map(function(d, i) { + var s = [Math.round(x(d, i, data) / epsilon$3) * epsilon$3, Math.round(y(d, i, data) / epsilon$3) * epsilon$3]; + s.index = i; + s.data = d; + return s; + }), extent); + } + + voronoi.polygons = function(data) { + return voronoi(data).polygons(); + }; + + voronoi.links = function(data) { + return voronoi(data).links(); + }; + + voronoi.triangles = function(data) { + return voronoi(data).triangles(); + }; + + voronoi.x = function(_) { + return arguments.length ? (x = typeof _ === "function" ? _ : constant$8(+_), voronoi) : x; + }; + + voronoi.y = function(_) { + return arguments.length ? (y = typeof _ === "function" ? _ : constant$8(+_), voronoi) : y; + }; + + voronoi.extent = function(_) { + return arguments.length ? (extent = _ == null ? null : [[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]], voronoi) : extent && [[extent[0][0], extent[0][1]], [extent[1][0], extent[1][1]]]; + }; + + voronoi.size = function(_) { + return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0], extent[1][1]]; + }; + + return voronoi; + } + + function constant$9(x) { + return function() { + return x; + }; + } + + function ZoomEvent(target, type, transform) { + this.target = target; + this.type = type; + this.transform = transform; + } + + function Transform(k, x, y) { + this.k = k; + this.x = x; + this.y = y; + } + + Transform.prototype = { + constructor: Transform, + scale: function(k) { + return k === 1 ? this : new Transform(this.k * k, this.x, this.y); + }, + translate: function(x, y) { + return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y); + }, + apply: function(point) { + return [point[0] * this.k + this.x, point[1] * this.k + this.y]; + }, + applyX: function(x) { + return x * this.k + this.x; + }, + applyY: function(y) { + return y * this.k + this.y; + }, + invert: function(location) { + return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k]; + }, + invertX: function(x) { + return (x - this.x) / this.k; + }, + invertY: function(y) { + return (y - this.y) / this.k; + }, + rescaleX: function(x) { + return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x)); + }, + rescaleY: function(y) { + return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y)); + }, + toString: function() { + return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")"; + } + }; + + var identity$6 = new Transform(1, 0, 0); + + transform.prototype = Transform.prototype; + + function transform(node) { + return node.__zoom || identity$6; + } + + function nopropagation$1() { + exports.event.stopImmediatePropagation(); + } + + function noevent$1() { + exports.event.preventDefault(); + exports.event.stopImmediatePropagation(); + } + + // Ignore right-click, since that should open the context menu. + function defaultFilter$1() { + return !exports.event.button; + } + + function defaultExtent() { + var e = this, w, h; + if (e instanceof SVGElement) { + e = e.ownerSVGElement || e; + w = e.width.baseVal.value; + h = e.height.baseVal.value; + } else { + w = e.clientWidth; + h = e.clientHeight; + } + return [[0, 0], [w, h]]; + } + + function defaultTransform() { + return this.__zoom || identity$6; + } + + function zoom() { + var filter = defaultFilter$1, + extent = defaultExtent, + k0 = 0, + k1 = Infinity, + x0 = -k1, + x1 = k1, + y0 = x0, + y1 = x1, + duration = 250, + gestures = [], + listeners = dispatch("start", "zoom", "end"), + mousemoving, + mousePoint, + mouseLocation, + touchstarting, + touchending, + touchDelay = 500, + wheelTimer, + wheelDelay = 150; + + function zoom(selection) { + selection + .on("wheel.zoom", wheeled) + .on("mousedown.zoom", mousedowned) + .on("dblclick.zoom", dblclicked) + .on("touchstart.zoom", touchstarted) + .on("touchmove.zoom", touchmoved) + .on("touchend.zoom touchcancel.zoom", touchended) + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") + .property("__zoom", defaultTransform); + } + + zoom.transform = function(collection, transform) { + var selection = collection.selection ? collection.selection() : collection; + selection.property("__zoom", defaultTransform); + if (collection !== selection) { + schedule(collection, transform); + } else { + selection.interrupt().each(function() { + gesture(this, arguments) + .start() + .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) + .end(); + }); + } + }; + + zoom.scaleBy = function(selection, k) { + zoom.scaleTo(selection, function() { + var k0 = this.__zoom.k, + k1 = typeof k === "function" ? k.apply(this, arguments) : k; + return k0 * k1; + }); + }; + + zoom.scaleTo = function(selection, k) { + zoom.transform(selection, function() { + var e = extent.apply(this, arguments), + t0 = this.__zoom, + p0 = centroid(e), + p1 = t0.invert(p0), + k1 = typeof k === "function" ? k.apply(this, arguments) : k; + return constrain(translate(scale(t0, k1), p0, p1), e); + }); + }; + + zoom.translateBy = function(selection, x, y) { + zoom.transform(selection, function() { + return constrain(this.__zoom.translate( + typeof x === "function" ? x.apply(this, arguments) : x, + typeof y === "function" ? y.apply(this, arguments) : y + ), extent.apply(this, arguments)); + }); + }; + + function scale(transform, k) { + k = Math.max(k0, Math.min(k1, k)); + return k === transform.k ? transform : new Transform(k, transform.x, transform.y); + } + + function translate(transform, p0, p1) { + var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k; + return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y); + } + + function constrain(transform, extent) { + var dx = Math.min(0, transform.invertX(extent[0][0]) - x0) || Math.max(0, transform.invertX(extent[1][0]) - x1), + dy = Math.min(0, transform.invertY(extent[0][1]) - y0) || Math.max(0, transform.invertY(extent[1][1]) - y1); + return dx || dy ? transform.translate(dx, dy) : transform; + } + + function centroid(extent) { + return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; + } + + function schedule(transition, transform, center) { + transition + .on("start.zoom", function() { gesture(this, arguments).start(); }) + .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) + .tween("zoom", function() { + var that = this, + args = arguments, + g = gesture(that, args), + e = extent.apply(that, args), + p = center || centroid(e), + w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), + a = that.__zoom, + b = typeof transform === "function" ? transform.apply(that, args) : transform, + i = interpolateZoom(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); + return function(t) { + if (t === 1) t = b; // Avoid rounding error on end. + else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); } + g.zoom(null, t); + }; + }); + } + + function gesture(that, args) { + for (var i = 0, n = gestures.length, g; i < n; ++i) { + if ((g = gestures[i]).that === that) { + return g; + } + } + return new Gesture(that, args); + } + + function Gesture(that, args) { + this.that = that; + this.args = args; + this.index = -1; + this.active = 0; + } + + Gesture.prototype = { + start: function() { + if (++this.active === 1) { + this.index = gestures.push(this) - 1; + this.emit("start"); + } + return this; + }, + zoom: function(key, transform) { + if (mousePoint && key !== "mouse") mouseLocation = transform.invert(mousePoint); + if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); + if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); + this.that.__zoom = transform; + this.emit("zoom"); + return this; + }, + end: function() { + if (--this.active === 0) { + gestures.splice(this.index, 1); + mousePoint = mouseLocation = null; + this.index = -1; + this.emit("end"); + } + return this; + }, + emit: function(type) { + customEvent(new ZoomEvent(zoom, type, this.that.__zoom), listeners.apply, listeners, [type, this.that, this.args]); + } + }; + + function wheeled() { + if (!filter.apply(this, arguments)) return; + var g = gesture(this, arguments), + t = this.__zoom, + k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500))); + + // If the mouse is in the same location as before, reuse it. + // If there were recent wheel events, reset the wheel idle timeout. + if (wheelTimer) { + var point = mouse(this); + if (mousePoint[0] !== point[0] || mousePoint[1] !== point[1]) { + mouseLocation = t.invert(mousePoint = point); + } + clearTimeout(wheelTimer); + } + + // If this wheel event won’t trigger a transform change, ignore it. + else if (t.k === k) return; + + // Otherwise, capture the mouse point and location at the start. + else { + g.extent = extent.apply(this, arguments); + mouseLocation = t.invert(mousePoint = mouse(this)); + interrupt(this); + g.start(); + } + + noevent$1(); + wheelTimer = setTimeout(wheelidled, wheelDelay); + g.zoom("mouse", constrain(translate(scale(t, k), mousePoint, mouseLocation), g.extent)); + + function wheelidled() { + wheelTimer = null; + g.end(); + } + } + + function mousedowned() { + if (touchending || !filter.apply(this, arguments)) return; + var g = gesture(this, arguments), + v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true); + + dragDisable(exports.event.view); + nopropagation$1(); + mousemoving = false; + g.extent = extent.apply(this, arguments); + mouseLocation = this.__zoom.invert(mousePoint = mouse(this)); + interrupt(this); + g.start(); + + function mousemoved() { + noevent$1(); + mousemoving = true; + g.zoom("mouse", constrain(translate(g.that.__zoom, mousePoint = mouse(g.that), mouseLocation), g.extent)); + } + + function mouseupped() { + v.on("mousemove.zoom mouseup.zoom", null); + dragEnable(exports.event.view, mousemoving); + noevent$1(); + g.end(); + } + } + + function dblclicked() { + if (!filter.apply(this, arguments)) return; + var t0 = this.__zoom, + p0 = mouse(this), + p1 = t0.invert(p0), + k1 = t0.k * (exports.event.shiftKey ? 0.5 : 2), + t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments)); + + noevent$1(); + if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0); + else select(this).call(zoom.transform, t1); + } + + function touchstarted() { + if (!filter.apply(this, arguments)) return; + var g = gesture(this, arguments), + touches = exports.event.changedTouches, + n = touches.length, i, t, p; + + nopropagation$1(); + for (i = 0; i < n; ++i) { + t = touches[i], p = touch(this, touches, t.identifier); + p = [p, this.__zoom.invert(p), t.identifier]; + if (!g.touch0) g.touch0 = p; + else if (!g.touch1) g.touch1 = p; + } + if (touchstarting) { + touchstarting = clearTimeout(touchstarting); + if (!g.touch1) return g.end(), dblclicked.apply(this, arguments); + } + if (exports.event.touches.length === n) { + touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); + interrupt(this); + g.extent = extent.apply(this, arguments); + g.start(); + } + } + + function touchmoved() { + var g = gesture(this, arguments), + touches = exports.event.changedTouches, + n = touches.length, i, t, p, l; + + noevent$1(); + if (touchstarting) touchstarting = clearTimeout(touchstarting); + for (i = 0; i < n; ++i) { + t = touches[i], p = touch(this, touches, t.identifier); + if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; + else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; + } + t = g.that.__zoom; + if (g.touch1) { + var p0 = g.touch0[0], l0 = g.touch0[1], + p1 = g.touch1[0], l1 = g.touch1[1], + dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp, + dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl; + t = scale(t, Math.sqrt(dp / dl)); + p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2]; + l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2]; + } + else if (g.touch0) p = g.touch0[0], l = g.touch0[1]; + else return; + g.zoom("touch", constrain(translate(t, p, l), g.extent)); + } + + function touchended() { + var g = gesture(this, arguments), + touches = exports.event.changedTouches, + n = touches.length, i, t; + + nopropagation$1(); + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, touchDelay); + for (i = 0; i < n; ++i) { + t = touches[i]; + if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; + else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; + } + if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1; + if (!g.touch0) g.end(); + } + + zoom.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$9(!!_), zoom) : filter; + }; + + zoom.extent = function(_) { + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$9([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; + }; + + zoom.scaleExtent = function(_) { + return arguments.length ? (k0 = +_[0], k1 = +_[1], zoom) : [k0, k1]; + }; + + zoom.translateExtent = function(_) { + return arguments.length ? (x0 = +_[0][0], x1 = +_[1][0], y0 = +_[0][1], y1 = +_[1][1], zoom) : [[x0, y0], [x1, y1]]; + }; + + zoom.duration = function(_) { + return arguments.length ? (duration = +_, zoom) : duration; + }; + + zoom.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? zoom : value; + }; + + return zoom; + } + + function constant$10(x) { + return function() { + return x; + }; + } + + function BrushEvent(target, type, selection) { + this.target = target; + this.type = type; + this.selection = selection; + } + + function nopropagation$2() { + exports.event.stopImmediatePropagation(); + } + + function noevent$2() { + exports.event.preventDefault(); + exports.event.stopImmediatePropagation(); + } + + var MODE_DRAG = {name: "drag"}; + var MODE_SPACE = {name: "space"}; + var MODE_HANDLE = {name: "handle"}; + var MODE_CENTER = {name: "center"}; + var X = { + name: "x", + handles: ["e", "w"].map(type$1), + input: function(x, e) { return x && [[x[0], e[0][1]], [x[1], e[1][1]]]; }, + output: function(xy) { return xy && [xy[0][0], xy[1][0]]; } + }; + + var Y = { + name: "y", + handles: ["n", "s"].map(type$1), + input: function(y, e) { return y && [[e[0][0], y[0]], [e[1][0], y[1]]]; }, + output: function(xy) { return xy && [xy[0][1], xy[1][1]]; } + }; + + var XY = { + name: "xy", + handles: ["n", "e", "s", "w", "nw", "ne", "se", "sw"].map(type$1), + input: function(xy) { return xy; }, + output: function(xy) { return xy; } + }; + + var cursors = { + overlay: "crosshair", + selection: "move", + n: "ns-resize", + e: "ew-resize", + s: "ns-resize", + w: "ew-resize", + nw: "nwse-resize", + ne: "nesw-resize", + se: "nwse-resize", + sw: "nesw-resize" + }; + + var flipX = { + e: "w", + w: "e", + nw: "ne", + ne: "nw", + se: "sw", + sw: "se" + }; + + var flipY = { + n: "s", + s: "n", + nw: "sw", + ne: "se", + se: "ne", + sw: "nw" + }; + + var signsX = { + overlay: +1, + selection: +1, + n: null, + e: +1, + s: null, + w: -1, + nw: -1, + ne: +1, + se: +1, + sw: -1 + }; + + var signsY = { + overlay: +1, + selection: +1, + n: -1, + e: null, + s: +1, + w: null, + nw: -1, + ne: -1, + se: +1, + sw: +1 + }; + + function type$1(t) { + return {type: t}; + } + + // Ignore right-click, since that should open the context menu. + function defaultFilter$2() { + return !exports.event.button; + } + + function defaultExtent$1() { + var svg = this.ownerSVGElement || this; + return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]]; + } + + // Like d3.local, but with the name “__brush” rather than auto-generated. + function local$1(node) { + while (!node.__brush) if (!(node = node.parentNode)) return; + return node.__brush; + } + + function empty$1(extent) { + return extent[0][0] === extent[1][0] + || extent[0][1] === extent[1][1]; + } + + function brushSelection(node) { + var state = node.__brush; + return state ? state.dim.output(state.selection) : null; + } + + function brushX() { + return brush$1(X); + } + + function brushY() { + return brush$1(Y); + } + + function brush() { + return brush$1(XY); + } + + function brush$1(dim) { + var extent = defaultExtent$1, + filter = defaultFilter$2, + listeners = dispatch(brush, "start", "brush", "end"), + handleSize = 6, + touchending; + + function brush(group) { + var overlay = group + .property("__brush", initialize) + .selectAll(".overlay") + .data([type$1("overlay")]); + + overlay.enter().append("rect") + .attr("class", "overlay") + .attr("pointer-events", "all") + .attr("cursor", cursors.overlay) + .merge(overlay) + .each(function() { + var extent = local$1(this).extent; + select(this) + .attr("x", extent[0][0]) + .attr("y", extent[0][1]) + .attr("width", extent[1][0] - extent[0][0]) + .attr("height", extent[1][1] - extent[0][1]); + }); + + group.selectAll(".selection") + .data([type$1("selection")]) + .enter().append("rect") + .attr("class", "selection") + .attr("cursor", cursors.selection) + .attr("fill", "#777") + .attr("fill-opacity", 0.3) + .attr("stroke", "#fff") + .attr("shape-rendering", "crispEdges"); + + var handle = group.selectAll(".handle") + .data(dim.handles, function(d) { return d.type; }); + + handle.exit().remove(); + + handle.enter().append("rect") + .attr("class", function(d) { return "handle handle--" + d.type; }) + .attr("cursor", function(d) { return cursors[d.type]; }); + + group + .each(redraw) + .attr("fill", "none") + .attr("pointer-events", "all") + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") + .on("mousedown.brush touchstart.brush", started); + } + + brush.move = function(group, selection) { + if (group.selection) { + group + .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) + .on("interrupt.brush end.brush", function() { emitter(this, arguments).end(); }) + .tween("brush", function() { + var that = this, + state = that.__brush, + emit = emitter(that, arguments), + selection0 = state.selection, + selection1 = dim.input(typeof selection === "function" ? selection.apply(this, arguments) : selection, state.extent), + i = interpolate(selection0, selection1); + + function tween(t) { + state.selection = t === 1 && empty$1(selection1) ? null : i(t); + redraw.call(that); + emit.brush(); + } + + return selection0 && selection1 ? tween : tween(1); + }); + } else { + group + .each(function() { + var that = this, + args = arguments, + state = that.__brush, + selection1 = dim.input(typeof selection === "function" ? selection.apply(that, args) : selection, state.extent), + emit = emitter(that, args).beforestart(); + + interrupt(that); + state.selection = selection1 == null || empty$1(selection1) ? null : selection1; + redraw.call(that); + emit.start().brush().end(); + }); + } + }; + + function redraw() { + var group = select(this), + selection = local$1(this).selection; + + if (selection) { + group.selectAll(".selection") + .style("display", null) + .attr("x", selection[0][0]) + .attr("y", selection[0][1]) + .attr("width", selection[1][0] - selection[0][0]) + .attr("height", selection[1][1] - selection[0][1]); + + group.selectAll(".handle") + .style("display", null) + .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection[1][0] - handleSize / 2 : selection[0][0] - handleSize / 2; }) + .attr("y", function(d) { return d.type[0] === "s" ? selection[1][1] - handleSize / 2 : selection[0][1] - handleSize / 2; }) + .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection[1][0] - selection[0][0] + handleSize : handleSize; }) + .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection[1][1] - selection[0][1] + handleSize : handleSize; }); + } + + else { + group.selectAll(".selection,.handle") + .style("display", "none") + .attr("x", null) + .attr("y", null) + .attr("width", null) + .attr("height", null); + } + } + + function emitter(that, args) { + return that.__brush.emitter || new Emitter(that, args); + } + + function Emitter(that, args) { + this.that = that; + this.args = args; + this.state = that.__brush; + this.active = 0; + } + + Emitter.prototype = { + beforestart: function() { + if (++this.active === 1) this.state.emitter = this, this.starting = true; + return this; + }, + start: function() { + if (this.starting) this.starting = false, this.emit("start"); + return this; + }, + brush: function() { + this.emit("brush"); + return this; + }, + end: function() { + if (--this.active === 0) delete this.state.emitter, this.emit("end"); + return this; + }, + emit: function(type) { + customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]); + } + }; + + function started() { + if (exports.event.touches) { if (exports.event.changedTouches.length < exports.event.touches.length) return noevent$2(); } + else if (touchending) return; + if (!filter.apply(this, arguments)) return; + + var that = this, + type = exports.event.target.__data__.type, + mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE), + signX = dim === Y ? null : signsX[type], + signY = dim === X ? null : signsY[type], + state = local$1(that), + extent = state.extent, + selection = state.selection, + W = extent[0][0], w0, w1, + N = extent[0][1], n0, n1, + E = extent[1][0], e0, e1, + S = extent[1][1], s0, s1, + dx, + dy, + moving, + shifting = signX && signY && exports.event.shiftKey, + lockX, + lockY, + point0 = mouse(that), + point = point0, + emit = emitter(that, arguments).beforestart(); + + if (type === "overlay") { + state.selection = selection = [ + [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], + [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] + ]; + } else { + w0 = selection[0][0]; + n0 = selection[0][1]; + e0 = selection[1][0]; + s0 = selection[1][1]; + } + + w1 = w0; + n1 = n0; + e1 = e0; + s1 = s0; + + var group = select(that) + .attr("pointer-events", "none"); + + var overlay = group.selectAll(".overlay") + .attr("cursor", cursors[type]); + + if (exports.event.touches) { + group + .on("touchmove.brush", moved, true) + .on("touchend.brush touchcancel.brush", ended, true); + } else { + var view = select(exports.event.view) + .on("keydown.brush", keydowned, true) + .on("keyup.brush", keyupped, true) + .on("mousemove.brush", moved, true) + .on("mouseup.brush", ended, true); + + dragDisable(exports.event.view); + } + + nopropagation$2(); + interrupt(that); + redraw.call(that); + emit.start(); + + function moved() { + var point1 = mouse(that); + if (shifting && !lockX && !lockY) { + if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true; + else lockX = true; + } + point = point1; + moving = true; + noevent$2(); + move(); + } + + function move() { + var t; + + dx = point[0] - point0[0]; + dy = point[1] - point0[1]; + + switch (mode) { + case MODE_SPACE: + case MODE_DRAG: { + if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx; + if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy; + break; + } + case MODE_HANDLE: { + if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0; + else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx; + if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0; + else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy; + break; + } + case MODE_CENTER: { + if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX)); + if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY)); + break; + } + } + + if (e1 < w1) { + signX *= -1; + t = w0, w0 = e0, e0 = t; + t = w1, w1 = e1, e1 = t; + if (type in flipX) overlay.attr("cursor", cursors[type = flipX[type]]); + } + + if (s1 < n1) { + signY *= -1; + t = n0, n0 = s0, s0 = t; + t = n1, n1 = s1, s1 = t; + if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); + } + + selection = state.selection; // May be set by brush.move! + + if (lockX) w1 = selection[0][0], e1 = selection[1][0]; + if (lockY) n1 = selection[0][1], s1 = selection[1][1]; + + if (selection[0][0] !== w1 + || selection[0][1] !== n1 + || selection[1][0] !== e1 + || selection[1][1] !== s1) { + state.selection = [[w1, n1], [e1, s1]]; + redraw.call(that); + emit.brush(); + } + } + + function ended() { + nopropagation$2(); + if (exports.event.touches) { + if (exports.event.touches.length) return; + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! + group.on("touchmove.brush touchend.brush touchcancel.brush", null); + } else { + dragEnable(exports.event.view, moving); + view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); + } + group.attr("pointer-events", "all"); + overlay.attr("cursor", cursors.overlay); + if (empty$1(selection)) state.selection = null, redraw.call(that); + emit.end(); + } + + function keydowned() { + switch (exports.event.keyCode) { + case 16: { // SHIFT + shifting = signX && signY; + break; + } + case 18: { // ALT + if (mode === MODE_HANDLE) { + if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; + if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; + mode = MODE_CENTER; + move(); + } + break; + } + case 32: { // SPACE; takes priority over ALT + if (mode === MODE_HANDLE || mode === MODE_CENTER) { + if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx; + if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy; + mode = MODE_SPACE; + overlay.attr("cursor", cursors.selection); + move(); + } + break; + } + default: return; + } + noevent$2(); + } + + function keyupped() { + switch (exports.event.keyCode) { + case 16: { // SHIFT + if (shifting) { + lockX = lockY = shifting = false; + move(); + } + break; + } + case 18: { // ALT + if (mode === MODE_CENTER) { + if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; + if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; + mode = MODE_HANDLE; + move(); + } + break; + } + case 32: { // SPACE + if (mode === MODE_SPACE) { + if (exports.event.altKey) { + if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; + if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; + mode = MODE_CENTER; + } else { + if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; + if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; + mode = MODE_HANDLE; + } + overlay.attr("cursor", cursors[type]); + move(); + } + break; + } + default: return; + } + noevent$2(); + } + } + + function initialize() { + var state = this.__brush || {selection: null}; + state.extent = extent.apply(this, arguments); + state.dim = dim; + return state; + } + + brush.extent = function(_) { + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$10([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), brush) : extent; + }; + + brush.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$10(!!_), brush) : filter; + }; + + brush.handleSize = function(_) { + return arguments.length ? (handleSize = +_, brush) : handleSize; + }; + + brush.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? brush : value; + }; + + return brush; + } + + var cos = Math.cos; + var sin = Math.sin; + var pi$3 = Math.PI; + var halfPi$2 = pi$3 / 2; + var tau$3 = pi$3 * 2; + var max$1 = Math.max; + + function compareValue(compare) { + return function(a, b) { + return compare( + a.source.value + a.target.value, + b.source.value + b.target.value + ); + }; + } + + function chord() { + var padAngle = 0, + sortGroups = null, + sortSubgroups = null, + sortChords = null; + + function chord(matrix) { + var n = matrix.length, + groupSums = [], + groupIndex = range(n), + subgroupIndex = [], + chords = [], + groups = chords.groups = new Array(n), + subgroups = new Array(n * n), + k, + x, + x0, + dx, + i, + j; + + // Compute the sum. + k = 0, i = -1; while (++i < n) { + x = 0, j = -1; while (++j < n) { + x += matrix[i][j]; + } + groupSums.push(x); + subgroupIndex.push(range(n)); + k += x; + } + + // Sort groups… + if (sortGroups) groupIndex.sort(function(a, b) { + return sortGroups(groupSums[a], groupSums[b]); + }); + + // Sort subgroups… + if (sortSubgroups) subgroupIndex.forEach(function(d, i) { + d.sort(function(a, b) { + return sortSubgroups(matrix[i][a], matrix[i][b]); + }); + }); + + // Convert the sum to scaling factor for [0, 2pi]. + // TODO Allow start and end angle to be specified? + // TODO Allow padding to be specified as percentage? + k = max$1(0, tau$3 - padAngle * n) / k; + dx = k ? padAngle : tau$3 / n; + + // Compute the start and end angle for each group and subgroup. + // Note: Opera has a bug reordering object literal properties! + x = 0, i = -1; while (++i < n) { + x0 = x, j = -1; while (++j < n) { + var di = groupIndex[i], + dj = subgroupIndex[di][j], + v = matrix[di][dj], + a0 = x, + a1 = x += v * k; + subgroups[dj * n + di] = { + index: di, + subindex: dj, + startAngle: a0, + endAngle: a1, + value: v + }; + } + groups[di] = { + index: di, + startAngle: x0, + endAngle: x, + value: groupSums[di] + }; + x += dx; + } + + // Generate chords for each (non-empty) subgroup-subgroup link. + i = -1; while (++i < n) { + j = i - 1; while (++j < n) { + var source = subgroups[j * n + i], + target = subgroups[i * n + j]; + if (source.value || target.value) { + chords.push(source.value < target.value + ? {source: target, target: source} + : {source: source, target: target}); + } + } + } + + return sortChords ? chords.sort(sortChords) : chords; + } + + chord.padAngle = function(_) { + return arguments.length ? (padAngle = max$1(0, _), chord) : padAngle; + }; + + chord.sortGroups = function(_) { + return arguments.length ? (sortGroups = _, chord) : sortGroups; + }; + + chord.sortSubgroups = function(_) { + return arguments.length ? (sortSubgroups = _, chord) : sortSubgroups; + }; + + chord.sortChords = function(_) { + return arguments.length ? (_ == null ? sortChords = null : (sortChords = compareValue(_))._ = _, chord) : sortChords && sortChords._; + }; + + return chord; + } + + var slice$5 = Array.prototype.slice; + + function constant$11(x) { + return function() { + return x; + }; + } + + function defaultSource(d) { + return d.source; + } + + function defaultTarget(d) { + return d.target; + } + + function defaultRadius$1(d) { + return d.radius; + } + + function defaultStartAngle(d) { + return d.startAngle; + } + + function defaultEndAngle(d) { + return d.endAngle; + } + + function ribbon() { + var source = defaultSource, + target = defaultTarget, + radius = defaultRadius$1, + startAngle = defaultStartAngle, + endAngle = defaultEndAngle, + context = null; + + function ribbon() { + var buffer, + argv = slice$5.call(arguments), + s = source.apply(this, argv), + t = target.apply(this, argv), + sr = +radius.apply(this, (argv[0] = s, argv)), + sa0 = startAngle.apply(this, argv) - halfPi$2, + sa1 = endAngle.apply(this, argv) - halfPi$2, + sx0 = sr * cos(sa0), + sy0 = sr * sin(sa0), + tr = +radius.apply(this, (argv[0] = t, argv)), + ta0 = startAngle.apply(this, argv) - halfPi$2, + ta1 = endAngle.apply(this, argv) - halfPi$2; + + if (!context) context = buffer = path(); + + context.moveTo(sx0, sy0); + context.arc(0, 0, sr, sa0, sa1); + if (sa0 !== ta0 || sa1 !== ta1) { // TODO sr !== tr? + context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0)); + context.arc(0, 0, tr, ta0, ta1); + } + context.quadraticCurveTo(0, 0, sx0, sy0); + context.closePath(); + + if (buffer) return context = null, buffer + "" || null; + } + + ribbon.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$11(+_), ribbon) : radius; + }; + + ribbon.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$11(+_), ribbon) : startAngle; + }; + + ribbon.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$11(+_), ribbon) : endAngle; + }; + + ribbon.source = function(_) { + return arguments.length ? (source = _, ribbon) : source; + }; + + ribbon.target = function(_) { + return arguments.length ? (target = _, ribbon) : target; + }; + + ribbon.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), ribbon) : context; + }; + + return ribbon; + } + + // Adds floating point numbers with twice the normal precision. + // Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and + // Fast Robust Geometric Predicates, Discrete & Computational Geometry 18(3) + // 305–363 (1997). + // Code adapted from GeographicLib by Charles F. F. Karney, + // http://geographiclib.sourceforge.net/ + + function adder() { + return new Adder; + } + + function Adder() { + this.reset(); + } + + Adder.prototype = { + constructor: Adder, + reset: function() { + this.s = // rounded value + this.t = 0; // exact error + }, + add: function(y) { + add$1(temp, y, this.t); + add$1(this, temp.s, this.s); + if (this.s) this.t += temp.t; + else this.s = temp.t; + }, + valueOf: function() { + return this.s; + } + }; + + var temp = new Adder; + + function add$1(adder, a, b) { + var x = adder.s = a + b, + bv = x - a, + av = x - bv; + adder.t = (a - av) + (b - bv); + } + + var epsilon$4 = 1e-6; + var epsilon2$2 = 1e-12; + var pi$4 = Math.PI; + var halfPi$3 = pi$4 / 2; + var quarterPi = pi$4 / 4; + var tau$4 = pi$4 * 2; + + var degrees$1 = 180 / pi$4; + var radians = pi$4 / 180; + + var abs = Math.abs; + var atan = Math.atan; + var atan2 = Math.atan2; + var cos$1 = Math.cos; + var ceil = Math.ceil; + var exp = Math.exp; + var log$1 = Math.log; + var pow$1 = Math.pow; + var sin$1 = Math.sin; + var sign$1 = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; }; + var sqrt$1 = Math.sqrt; + var tan = Math.tan; + + function acos(x) { + return x > 1 ? 0 : x < -1 ? pi$4 : Math.acos(x); + } + + function asin$1(x) { + return x > 1 ? halfPi$3 : x < -1 ? -halfPi$3 : Math.asin(x); + } + + function haversin(x) { + return (x = sin$1(x / 2)) * x; + } + + function noop$2() {} + + function streamGeometry(geometry, stream) { + if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { + streamGeometryType[geometry.type](geometry, stream); + } + } + + var streamObjectType = { + Feature: function(feature, stream) { + streamGeometry(feature.geometry, stream); + }, + FeatureCollection: function(object, stream) { + var features = object.features, i = -1, n = features.length; + while (++i < n) streamGeometry(features[i].geometry, stream); + } + }; + + var streamGeometryType = { + Sphere: function(object, stream) { + stream.sphere(); + }, + Point: function(object, stream) { + object = object.coordinates; + stream.point(object[0], object[1], object[2]); + }, + MultiPoint: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]); + }, + LineString: function(object, stream) { + streamLine(object.coordinates, stream, 0); + }, + MultiLineString: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) streamLine(coordinates[i], stream, 0); + }, + Polygon: function(object, stream) { + streamPolygon(object.coordinates, stream); + }, + MultiPolygon: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) streamPolygon(coordinates[i], stream); + }, + GeometryCollection: function(object, stream) { + var geometries = object.geometries, i = -1, n = geometries.length; + while (++i < n) streamGeometry(geometries[i], stream); + } + }; + + function streamLine(coordinates, stream, closed) { + var i = -1, n = coordinates.length - closed, coordinate; + stream.lineStart(); + while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]); + stream.lineEnd(); + } + + function streamPolygon(coordinates, stream) { + var i = -1, n = coordinates.length; + stream.polygonStart(); + while (++i < n) streamLine(coordinates[i], stream, 1); + stream.polygonEnd(); + } + + function stream(object, stream) { + if (object && streamObjectType.hasOwnProperty(object.type)) { + streamObjectType[object.type](object, stream); + } else { + streamGeometry(object, stream); + } + } + + var areaRingSum; + + var areaSum; + var lambda00; + var phi00; + var lambda0; + var cosPhi0; + var sinPhi0; + var areaStream = { + point: noop$2, + lineStart: noop$2, + lineEnd: noop$2, + polygonStart: function() { + areaRingSum.reset(); + areaStream.lineStart = areaRingStart; + areaStream.lineEnd = areaRingEnd; + }, + polygonEnd: function() { + var areaRing = +areaRingSum; + areaSum.add(areaRing < 0 ? tau$4 + areaRing : areaRing); + this.lineStart = this.lineEnd = this.point = noop$2; + }, + sphere: function() { + areaSum.add(tau$4); + } + }; + + function areaRingStart() { + areaStream.point = areaPointFirst; + } + + function areaRingEnd() { + areaPoint(lambda00, phi00); + } + + function areaPointFirst(lambda, phi) { + areaStream.point = areaPoint; + lambda00 = lambda, phi00 = phi; + lambda *= radians, phi *= radians; + lambda0 = lambda, cosPhi0 = cos$1(phi = phi / 2 + quarterPi), sinPhi0 = sin$1(phi); + } + + function areaPoint(lambda, phi) { + lambda *= radians, phi *= radians; + phi = phi / 2 + quarterPi; // half the angular distance from south pole + + // Spherical excess E for a spherical triangle with vertices: south pole, + // previous point, current point. Uses a formula derived from Cagnoli’s + // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2). + var dLambda = lambda - lambda0, + sdLambda = dLambda >= 0 ? 1 : -1, + adLambda = sdLambda * dLambda, + cosPhi = cos$1(phi), + sinPhi = sin$1(phi), + k = sinPhi0 * sinPhi, + u = cosPhi0 * cosPhi + k * cos$1(adLambda), + v = k * sdLambda * sin$1(adLambda); + areaRingSum.add(atan2(v, u)); + + // Advance the previous points. + lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; + } + + function area$2(object) { + if (areaSum) areaSum.reset(); + else areaSum = adder(), areaRingSum = adder(); + stream(object, areaStream); + return areaSum * 2; + } + + function spherical(cartesian) { + return [atan2(cartesian[1], cartesian[0]), asin$1(cartesian[2])]; + } + + function cartesian(spherical) { + var lambda = spherical[0], phi = spherical[1], cosPhi = cos$1(phi); + return [cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)]; + } + + function cartesianDot(a, b) { + return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; + } + + function cartesianCross(a, b) { + return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]]; + } + + // TODO return a + function cartesianAddInPlace(a, b) { + a[0] += b[0], a[1] += b[1], a[2] += b[2]; + } + + function cartesianScale(vector, k) { + return [vector[0] * k, vector[1] * k, vector[2] * k]; + } + + // TODO return d + function cartesianNormalizeInPlace(d) { + var l = sqrt$1(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); + d[0] /= l, d[1] /= l, d[2] /= l; + } + +var lambda0$1; + var phi0; + var lambda1; + var phi1; + var lambda2; +var lambda00$1; +var phi00$1; + var p0; + var deltaSum; + var ranges; +var range$1; + var boundsStream = { + point: boundsPoint, + lineStart: boundsLineStart, + lineEnd: boundsLineEnd, + polygonStart: function() { + boundsStream.point = boundsRingPoint; + boundsStream.lineStart = boundsRingStart; + boundsStream.lineEnd = boundsRingEnd; + deltaSum.reset(); + areaStream.polygonStart(); + }, + polygonEnd: function() { + areaStream.polygonEnd(); + boundsStream.point = boundsPoint; + boundsStream.lineStart = boundsLineStart; + boundsStream.lineEnd = boundsLineEnd; + if (areaRingSum < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); + else if (deltaSum > epsilon$4) phi1 = 90; + else if (deltaSum < -epsilon$4) phi0 = -90; + range$1[0] = lambda0$1, range$1[1] = lambda1; + } + }; + + function boundsPoint(lambda, phi) { + ranges.push(range$1 = [lambda0$1 = lambda, lambda1 = lambda]); + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; + } + + function linePoint(lambda, phi) { + var p = cartesian([lambda * radians, phi * radians]); + if (p0) { + var normal = cartesianCross(p0, p), + equatorial = [normal[1], -normal[0], 0], + inflection = cartesianCross(equatorial, normal); + cartesianNormalizeInPlace(inflection); + inflection = spherical(inflection); + var delta = lambda - lambda2, + sign = delta > 0 ? 1 : -1, + lambdai = inflection[0] * degrees$1 * sign, + phii, + antimeridian = abs(delta) > 180; + if (antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { + phii = inflection[1] * degrees$1; + if (phii > phi1) phi1 = phii; + } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { + phii = -inflection[1] * degrees$1; + if (phii < phi0) phi0 = phii; + } else { + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; + } + if (antimeridian) { + if (lambda < lambda2) { + if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; + } else { + if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; + } + } else { + if (lambda1 >= lambda0$1) { + if (lambda < lambda0$1) lambda0$1 = lambda; + if (lambda > lambda1) lambda1 = lambda; + } else { + if (lambda > lambda2) { + if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; + } else { + if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; + } + } + } + } else { + boundsPoint(lambda, phi); + } + p0 = p, lambda2 = lambda; + } + + function boundsLineStart() { + boundsStream.point = linePoint; + } + + function boundsLineEnd() { + range$1[0] = lambda0$1, range$1[1] = lambda1; + boundsStream.point = boundsPoint; + p0 = null; + } + + function boundsRingPoint(lambda, phi) { + if (p0) { + var delta = lambda - lambda2; + deltaSum.add(abs(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta); + } else { + lambda00$1 = lambda, phi00$1 = phi; + } + areaStream.point(lambda, phi); + linePoint(lambda, phi); + } + + function boundsRingStart() { + areaStream.lineStart(); + } + + function boundsRingEnd() { + boundsRingPoint(lambda00$1, phi00$1); + areaStream.lineEnd(); + if (abs(deltaSum) > epsilon$4) lambda0$1 = -(lambda1 = 180); + range$1[0] = lambda0$1, range$1[1] = lambda1; + p0 = null; + } + + // Finds the left-right distance between two longitudes. + // This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want + // the distance between ±180° to be 360°. + function angle(lambda0, lambda1) { + return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1; + } + + function rangeCompare(a, b) { + return a[0] - b[0]; + } + + function rangeContains(range, x) { + return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; + } + + function bounds(feature) { + var i, n, a, b, merged, deltaMax, delta; + + if (deltaSum) deltaSum.reset(); + else deltaSum = adder(); + phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); + ranges = []; + stream(feature, boundsStream); + + // First, sort ranges by their minimum longitudes. + if (n = ranges.length) { + ranges.sort(rangeCompare); + + // Then, merge any ranges that overlap. + for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) { + b = ranges[i]; + if (rangeContains(a, b[0]) || rangeContains(a, b[1])) { + if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; + if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; + } else { + merged.push(a = b); + } + } + + // Finally, find the largest gap between the merged ranges. + // The final bounding box will be the inverse of this gap. + for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) { + b = merged[i]; + if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1]; + } + } + + ranges = range$1 = null; + + return lambda0$1 === Infinity || phi0 === Infinity + ? [[NaN, NaN], [NaN, NaN]] + : [[lambda0$1, phi0], [lambda1, phi1]]; + } + + var W0; + var W1; + var X0; + var Y0; + var Z0; + var X1; + var Y1; + var Z1; + var X2; + var Y2; + var Z2; +var lambda00$2; +var phi00$2; + var x0; + var y0; + var z0; + // previous point + + var centroidStream = { + sphere: noop$2, + point: centroidPoint, + lineStart: centroidLineStart, + lineEnd: centroidLineEnd, + polygonStart: function() { + centroidStream.lineStart = centroidRingStart; + centroidStream.lineEnd = centroidRingEnd; + }, + polygonEnd: function() { + centroidStream.lineStart = centroidLineStart; + centroidStream.lineEnd = centroidLineEnd; + } + }; + + // Arithmetic mean of Cartesian vectors. + function centroidPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi); + centroidPointCartesian(cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)); + } + + function centroidPointCartesian(x, y, z) { + ++W0; + X0 += (x - X0) / W0; + Y0 += (y - Y0) / W0; + Z0 += (z - Z0) / W0; + } + + function centroidLineStart() { + centroidStream.point = centroidLinePointFirst; + } + + function centroidLinePointFirst(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi); + x0 = cosPhi * cos$1(lambda); + y0 = cosPhi * sin$1(lambda); + z0 = sin$1(phi); + centroidStream.point = centroidLinePoint; + centroidPointCartesian(x0, y0, z0); + } + + function centroidLinePoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi), + x = cosPhi * cos$1(lambda), + y = cosPhi * sin$1(lambda), + z = sin$1(phi), + w = atan2(sqrt$1((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); + W1 += w; + X1 += w * (x0 + (x0 = x)); + Y1 += w * (y0 + (y0 = y)); + Z1 += w * (z0 + (z0 = z)); + centroidPointCartesian(x0, y0, z0); + } + + function centroidLineEnd() { + centroidStream.point = centroidPoint; + } + + // See J. E. Brock, The Inertia Tensor for a Spherical Triangle, + // J. Applied Mechanics 42, 239 (1975). + function centroidRingStart() { + centroidStream.point = centroidRingPointFirst; + } + + function centroidRingEnd() { + centroidRingPoint(lambda00$2, phi00$2); + centroidStream.point = centroidPoint; + } + + function centroidRingPointFirst(lambda, phi) { + lambda00$2 = lambda, phi00$2 = phi; + lambda *= radians, phi *= radians; + centroidStream.point = centroidRingPoint; + var cosPhi = cos$1(phi); + x0 = cosPhi * cos$1(lambda); + y0 = cosPhi * sin$1(lambda); + z0 = sin$1(phi); + centroidPointCartesian(x0, y0, z0); + } + + function centroidRingPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi), + x = cosPhi * cos$1(lambda), + y = cosPhi * sin$1(lambda), + z = sin$1(phi), + cx = y0 * z - z0 * y, + cy = z0 * x - x0 * z, + cz = x0 * y - y0 * x, + m = sqrt$1(cx * cx + cy * cy + cz * cz), + u = x0 * x + y0 * y + z0 * z, + v = m && -acos(u) / m, // area weight + w = atan2(m, u); // line weight + X2 += v * cx; + Y2 += v * cy; + Z2 += v * cz; + W1 += w; + X1 += w * (x0 + (x0 = x)); + Y1 += w * (y0 + (y0 = y)); + Z1 += w * (z0 + (z0 = z)); + centroidPointCartesian(x0, y0, z0); + } + + function centroid$1(object) { + W0 = W1 = + X0 = Y0 = Z0 = + X1 = Y1 = Z1 = + X2 = Y2 = Z2 = 0; + stream(object, centroidStream); + + var x = X2, + y = Y2, + z = Z2, + m = x * x + y * y + z * z; + + // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid. + if (m < epsilon2$2) { + x = X1, y = Y1, z = Z1; + // If the feature has zero length, fall back to arithmetic mean of point vectors. + if (W1 < epsilon$4) x = X0, y = Y0, z = Z0; + m = x * x + y * y + z * z; + // If the feature still has an undefined ccentroid, then return. + if (m < epsilon2$2) return [NaN, NaN]; + } + + return [atan2(y, x) * degrees$1, asin$1(z / sqrt$1(m)) * degrees$1]; + } + + function constant$12(x) { + return function() { + return x; + }; + } + + function compose(a, b) { + + function compose(x, y) { + return x = a(x, y), b(x[0], x[1]); + } + + if (a.invert && b.invert) compose.invert = function(x, y) { + return x = b.invert(x, y), x && a.invert(x[0], x[1]); + }; + + return compose; + } + + function rotationIdentity(lambda, phi) { + return [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi]; + } + + rotationIdentity.invert = rotationIdentity; + + function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { + return (deltaLambda %= tau$4) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) + : rotationLambda(deltaLambda)) + : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) + : rotationIdentity); + } + + function forwardRotationLambda(deltaLambda) { + return function(lambda, phi) { + return lambda += deltaLambda, [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi]; + }; + } + + function rotationLambda(deltaLambda) { + var rotation = forwardRotationLambda(deltaLambda); + rotation.invert = forwardRotationLambda(-deltaLambda); + return rotation; + } + + function rotationPhiGamma(deltaPhi, deltaGamma) { + var cosDeltaPhi = cos$1(deltaPhi), + sinDeltaPhi = sin$1(deltaPhi), + cosDeltaGamma = cos$1(deltaGamma), + sinDeltaGamma = sin$1(deltaGamma); + + function rotation(lambda, phi) { + var cosPhi = cos$1(phi), + x = cos$1(lambda) * cosPhi, + y = sin$1(lambda) * cosPhi, + z = sin$1(phi), + k = z * cosDeltaPhi + x * sinDeltaPhi; + return [ + atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi), + asin$1(k * cosDeltaGamma + y * sinDeltaGamma) + ]; + } + + rotation.invert = function(lambda, phi) { + var cosPhi = cos$1(phi), + x = cos$1(lambda) * cosPhi, + y = sin$1(lambda) * cosPhi, + z = sin$1(phi), + k = z * cosDeltaGamma - y * sinDeltaGamma; + return [ + atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi), + asin$1(k * cosDeltaPhi - x * sinDeltaPhi) + ]; + }; + + return rotation; + } + + function rotation(rotate) { + rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); + + function forward(coordinates) { + coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians); + return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; + } + + forward.invert = function(coordinates) { + coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians); + return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; + }; + + return forward; + } + + // Generates a circle centered at [0°, 0°], with a given radius and precision. + function circleStream(stream, radius, delta, direction, t0, t1) { + if (!delta) return; + var cosRadius = cos$1(radius), + sinRadius = sin$1(radius), + step = direction * delta; + if (t0 == null) { + t0 = radius + direction * tau$4; + t1 = radius - step / 2; + } else { + t0 = circleRadius(cosRadius, t0); + t1 = circleRadius(cosRadius, t1); + if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$4; + } + for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) { + point = spherical([cosRadius, -sinRadius * cos$1(t), -sinRadius * sin$1(t)]); + stream.point(point[0], point[1]); + } + } + + // Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0]. + function circleRadius(cosRadius, point) { + point = cartesian(point), point[0] -= cosRadius; + cartesianNormalizeInPlace(point); + var radius = acos(-point[1]); + return ((-point[2] < 0 ? -radius : radius) + tau$4 - epsilon$4) % tau$4; + } + + function circle$1() { + var center = constant$12([0, 0]), + radius = constant$12(90), + precision = constant$12(6), + ring, + rotate, + stream = {point: point}; + + function point(x, y) { + ring.push(x = rotate(x, y)); + x[0] *= degrees$1, x[1] *= degrees$1; + } + + function circle() { + var c = center.apply(this, arguments), + r = radius.apply(this, arguments) * radians, + p = precision.apply(this, arguments) * radians; + ring = []; + rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert; + circleStream(stream, r, p, 1); + c = {type: "Polygon", coordinates: [ring]}; + ring = rotate = null; + return c; + } + + circle.center = function(_) { + return arguments.length ? (center = typeof _ === "function" ? _ : constant$12([+_[0], +_[1]]), circle) : center; + }; + + circle.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$12(+_), circle) : radius; + }; + + circle.precision = function(_) { + return arguments.length ? (precision = typeof _ === "function" ? _ : constant$12(+_), circle) : precision; + }; + + return circle; + } + + function clipBuffer() { + var lines = [], + line; + return { + point: function(x, y) { + line.push([x, y]); + }, + lineStart: function() { + lines.push(line = []); + }, + lineEnd: noop$2, + rejoin: function() { + if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); + }, + result: function() { + var result = lines; + lines = []; + line = null; + return result; + } + }; + } + + function clipLine(a, b, x0, y0, x1, y1) { + var ax = a[0], + ay = a[1], + bx = b[0], + by = b[1], + t0 = 0, + t1 = 1, + dx = bx - ax, + dy = by - ay, + r; + + r = x0 - ax; + if (!dx && r > 0) return; + r /= dx; + if (dx < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dx > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = x1 - ax; + if (!dx && r < 0) return; + r /= dx; + if (dx < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dx > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + r = y0 - ay; + if (!dy && r > 0) return; + r /= dy; + if (dy < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dy > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = y1 - ay; + if (!dy && r < 0) return; + r /= dy; + if (dy < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dy > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; + if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; + return true; + } + + function pointEqual(a, b) { + return abs(a[0] - b[0]) < epsilon$4 && abs(a[1] - b[1]) < epsilon$4; + } + + function Intersection(point, points, other, entry) { + this.x = point; + this.z = points; + this.o = other; // another intersection + this.e = entry; // is an entry? + this.v = false; // visited + this.n = this.p = null; // next & previous + } + + // A generalized polygon clipping algorithm: given a polygon that has been cut + // into its visible line segments, and rejoins the segments by interpolating + // along the clip edge. + function clipPolygon(segments, compareIntersection, startInside, interpolate, stream) { + var subject = [], + clip = [], + i, + n; + + segments.forEach(function(segment) { + if ((n = segment.length - 1) <= 0) return; + var n, p0 = segment[0], p1 = segment[n], x; + + // If the first and last points of a segment are coincident, then treat as a + // closed ring. TODO if all rings are closed, then the winding order of the + // exterior ring should be checked. + if (pointEqual(p0, p1)) { + stream.lineStart(); + for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]); + stream.lineEnd(); + return; + } + + subject.push(x = new Intersection(p0, segment, null, true)); + clip.push(x.o = new Intersection(p0, null, x, false)); + subject.push(x = new Intersection(p1, segment, null, false)); + clip.push(x.o = new Intersection(p1, null, x, true)); + }); + + if (!subject.length) return; + + clip.sort(compareIntersection); + link$1(subject); + link$1(clip); + + for (i = 0, n = clip.length; i < n; ++i) { + clip[i].e = startInside = !startInside; + } + + var start = subject[0], + points, + point; + + while (1) { + // Find first unvisited intersection. + var current = start, + isSubject = true; + while (current.v) if ((current = current.n) === start) return; + points = current.z; + stream.lineStart(); + do { + current.v = current.o.v = true; + if (current.e) { + if (isSubject) { + for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.n.x, 1, stream); + } + current = current.n; + } else { + if (isSubject) { + points = current.p.z; + for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.p.x, -1, stream); + } + current = current.p; + } + current = current.o; + points = current.z; + isSubject = !isSubject; + } while (!current.v); + stream.lineEnd(); + } + } + + function link$1(array) { + if (!(n = array.length)) return; + var n, + i = 0, + a = array[0], + b; + while (++i < n) { + a.n = b = array[i]; + b.p = a; + a = b; + } + a.n = b = array[0]; + b.p = a; + } + + var clipMax = 1e9; + var clipMin = -clipMax; + // TODO Use d3-polygon’s polygonContains here for the ring check? + // TODO Eliminate duplicate buffering in clipBuffer and polygon.push? + + function clipExtent(x0, y0, x1, y1) { + + function visible(x, y) { + return x0 <= x && x <= x1 && y0 <= y && y <= y1; + } + + function interpolate(from, to, direction, stream) { + var a = 0, a1 = 0; + if (from == null + || (a = corner(from, direction)) !== (a1 = corner(to, direction)) + || comparePoint(from, to) < 0 ^ direction > 0) { + do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); + while ((a = (a + direction + 4) % 4) !== a1); + } else { + stream.point(to[0], to[1]); + } + } + + function corner(p, direction) { + return abs(p[0] - x0) < epsilon$4 ? direction > 0 ? 0 : 3 + : abs(p[0] - x1) < epsilon$4 ? direction > 0 ? 2 : 1 + : abs(p[1] - y0) < epsilon$4 ? direction > 0 ? 1 : 0 + : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon + } + + function compareIntersection(a, b) { + return comparePoint(a.x, b.x); + } + + function comparePoint(a, b) { + var ca = corner(a, 1), + cb = corner(b, 1); + return ca !== cb ? ca - cb + : ca === 0 ? b[1] - a[1] + : ca === 1 ? a[0] - b[0] + : ca === 2 ? a[1] - b[1] + : b[0] - a[0]; + } + + return function(stream) { + var activeStream = stream, + bufferStream = clipBuffer(), + segments, + polygon, + ring, + x__, y__, v__, // first point + x_, y_, v_, // previous point + first, + clean; + + var clipStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: polygonStart, + polygonEnd: polygonEnd + }; + + function point(x, y) { + if (visible(x, y)) activeStream.point(x, y); + } + + function polygonInside() { + var winding = 0; + + for (var i = 0, n = polygon.length; i < n; ++i) { + for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { + a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; + if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } + else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } + } + } + + return winding; + } + + // Buffer geometry within a polygon and then clip it en masse. + function polygonStart() { + activeStream = bufferStream, segments = [], polygon = [], clean = true; + } + + function polygonEnd() { + var startInside = polygonInside(), + cleanInside = clean && startInside, + visible = (segments = merge(segments)).length; + if (cleanInside || visible) { + stream.polygonStart(); + if (cleanInside) { + stream.lineStart(); + interpolate(null, null, 1, stream); + stream.lineEnd(); + } + if (visible) { + clipPolygon(segments, compareIntersection, startInside, interpolate, stream); + } + stream.polygonEnd(); + } + activeStream = stream, segments = polygon = ring = null; + } + + function lineStart() { + clipStream.point = linePoint; + if (polygon) polygon.push(ring = []); + first = true; + v_ = false; + x_ = y_ = NaN; + } + + // TODO rather than special-case polygons, simply handle them separately. + // Ideally, coincident intersection points should be jittered to avoid + // clipping issues. + function lineEnd() { + if (segments) { + linePoint(x__, y__); + if (v__ && v_) bufferStream.rejoin(); + segments.push(bufferStream.result()); + } + clipStream.point = point; + if (v_) activeStream.lineEnd(); + } + + function linePoint(x, y) { + var v = visible(x, y); + if (polygon) ring.push([x, y]); + if (first) { + x__ = x, y__ = y, v__ = v; + first = false; + if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + } + } else { + if (v && v_) activeStream.point(x, y); + else { + var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], + b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; + if (clipLine(a, b, x0, y0, x1, y1)) { + if (!v_) { + activeStream.lineStart(); + activeStream.point(a[0], a[1]); + } + activeStream.point(b[0], b[1]); + if (!v) activeStream.lineEnd(); + clean = false; + } else if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + clean = false; + } + } + } + x_ = x, y_ = y, v_ = v; + } + + return clipStream; + }; + } + + function extent$1() { + var x0 = 0, + y0 = 0, + x1 = 960, + y1 = 500, + cache, + cacheStream, + clip; + + return clip = { + stream: function(stream) { + return cache && cacheStream === stream ? cache : cache = clipExtent(x0, y0, x1, y1)(cacheStream = stream); + }, + extent: function(_) { + return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; + } + }; + } + + var lengthSum; +var lambda0$2; +var sinPhi0$1; +var cosPhi0$1; + var lengthStream = { + sphere: noop$2, + point: noop$2, + lineStart: lengthLineStart, + lineEnd: noop$2, + polygonStart: noop$2, + polygonEnd: noop$2 + }; + + function lengthLineStart() { + lengthStream.point = lengthPointFirst; + lengthStream.lineEnd = lengthLineEnd; + } + + function lengthLineEnd() { + lengthStream.point = lengthStream.lineEnd = noop$2; + } + + function lengthPointFirst(lambda, phi) { + lambda *= radians, phi *= radians; + lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi); + lengthStream.point = lengthPoint; + } + + function lengthPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var sinPhi = sin$1(phi), + cosPhi = cos$1(phi), + delta = abs(lambda - lambda0$2), + cosDelta = cos$1(delta), + sinDelta = sin$1(delta), + x = cosPhi * sinDelta, + y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, + z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; + lengthSum.add(atan2(sqrt$1(x * x + y * y), z)); + lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; + } + + function length$2(object) { + if (lengthSum) lengthSum.reset(); + else lengthSum = adder(); + stream(object, lengthStream); + return +lengthSum; + } + + var coordinates = [null, null]; +var object$1 = {type: "LineString", coordinates: coordinates}; + function distance(a, b) { + coordinates[0] = a; + coordinates[1] = b; + return length$2(object$1); + } + + function graticuleX(y0, y1, dy) { + var y = range(y0, y1 - epsilon$4, dy).concat(y1); + return function(x) { return y.map(function(y) { return [x, y]; }); }; + } + + function graticuleY(x0, x1, dx) { + var x = range(x0, x1 - epsilon$4, dx).concat(x1); + return function(y) { return x.map(function(x) { return [x, y]; }); }; + } + + function graticule() { + var x1, x0, X1, X0, + y1, y0, Y1, Y0, + dx = 10, dy = dx, DX = 90, DY = 360, + x, y, X, Y, + precision = 2.5; + + function graticule() { + return {type: "MultiLineString", coordinates: lines()}; + } + + function lines() { + return range(ceil(X0 / DX) * DX, X1, DX).map(X) + .concat(range(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) + .concat(range(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$4; }).map(x)) + .concat(range(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$4; }).map(y)); + } + + graticule.lines = function() { + return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); + }; + + graticule.outline = function() { + return { + type: "Polygon", + coordinates: [ + X(X0).concat( + Y(Y1).slice(1), + X(X1).reverse().slice(1), + Y(Y0).reverse().slice(1)) + ] + }; + }; + + graticule.extent = function(_) { + if (!arguments.length) return graticule.extentMinor(); + return graticule.extentMajor(_).extentMinor(_); + }; + + graticule.extentMajor = function(_) { + if (!arguments.length) return [[X0, Y0], [X1, Y1]]; + X0 = +_[0][0], X1 = +_[1][0]; + Y0 = +_[0][1], Y1 = +_[1][1]; + if (X0 > X1) _ = X0, X0 = X1, X1 = _; + if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; + return graticule.precision(precision); + }; + + graticule.extentMinor = function(_) { + if (!arguments.length) return [[x0, y0], [x1, y1]]; + x0 = +_[0][0], x1 = +_[1][0]; + y0 = +_[0][1], y1 = +_[1][1]; + if (x0 > x1) _ = x0, x0 = x1, x1 = _; + if (y0 > y1) _ = y0, y0 = y1, y1 = _; + return graticule.precision(precision); + }; + + graticule.step = function(_) { + if (!arguments.length) return graticule.stepMinor(); + return graticule.stepMajor(_).stepMinor(_); + }; + + graticule.stepMajor = function(_) { + if (!arguments.length) return [DX, DY]; + DX = +_[0], DY = +_[1]; + return graticule; + }; + + graticule.stepMinor = function(_) { + if (!arguments.length) return [dx, dy]; + dx = +_[0], dy = +_[1]; + return graticule; + }; + + graticule.precision = function(_) { + if (!arguments.length) return precision; + precision = +_; + x = graticuleX(y0, y1, 90); + y = graticuleY(x0, x1, precision); + X = graticuleX(Y0, Y1, 90); + Y = graticuleY(X0, X1, precision); + return graticule; + }; + + return graticule + .extentMajor([[-180, -90 + epsilon$4], [180, 90 - epsilon$4]]) + .extentMinor([[-180, -80 - epsilon$4], [180, 80 + epsilon$4]]); + } + + function interpolate$2(a, b) { + var x0 = a[0] * radians, + y0 = a[1] * radians, + x1 = b[0] * radians, + y1 = b[1] * radians, + cy0 = cos$1(y0), + sy0 = sin$1(y0), + cy1 = cos$1(y1), + sy1 = sin$1(y1), + kx0 = cy0 * cos$1(x0), + ky0 = cy0 * sin$1(x0), + kx1 = cy1 * cos$1(x1), + ky1 = cy1 * sin$1(x1), + d = 2 * asin$1(sqrt$1(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), + k = sin$1(d); + + var interpolate = d ? function(t) { + var B = sin$1(t *= d) / k, + A = sin$1(d - t) / k, + x = A * kx0 + B * kx1, + y = A * ky0 + B * ky1, + z = A * sy0 + B * sy1; + return [ + atan2(y, x) * degrees$1, + atan2(z, sqrt$1(x * x + y * y)) * degrees$1 + ]; + } : function() { + return [x0 * degrees$1, y0 * degrees$1]; + }; + + interpolate.distance = d; + + return interpolate; + } + + function identity$7(x) { + return x; + } + +var areaSum$1 = adder(); +var areaRingSum$1 = adder(); + var x00; + var y00; +var x0$1; +var y0$1; + var areaStream$1 = { + point: noop$2, + lineStart: noop$2, + lineEnd: noop$2, + polygonStart: function() { + areaStream$1.lineStart = areaRingStart$1; + areaStream$1.lineEnd = areaRingEnd$1; + }, + polygonEnd: function() { + areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$2; + areaSum$1.add(abs(areaRingSum$1)); + areaRingSum$1.reset(); + }, + result: function() { + var area = areaSum$1 / 2; + areaSum$1.reset(); + return area; + } + }; + + function areaRingStart$1() { + areaStream$1.point = areaPointFirst$1; + } + + function areaPointFirst$1(x, y) { + areaStream$1.point = areaPoint$1; + x00 = x0$1 = x, y00 = y0$1 = y; + } + + function areaPoint$1(x, y) { + areaRingSum$1.add(y0$1 * x - x0$1 * y); + x0$1 = x, y0$1 = y; + } + + function areaRingEnd$1() { + areaPoint$1(x00, y00); + } + +var x0$2 = Infinity; +var y0$2 = x0$2; + var x1 = -x0$2; + var y1 = x1; + var boundsStream$1 = { + point: boundsPoint$1, + lineStart: noop$2, + lineEnd: noop$2, + polygonStart: noop$2, + polygonEnd: noop$2, + result: function() { + var bounds = [[x0$2, y0$2], [x1, y1]]; + x1 = y1 = -(y0$2 = x0$2 = Infinity); + return bounds; + } + }; + + function boundsPoint$1(x, y) { + if (x < x0$2) x0$2 = x; + if (x > x1) x1 = x; + if (y < y0$2) y0$2 = y; + if (y > y1) y1 = y; + } + +var X0$1 = 0; +var Y0$1 = 0; +var Z0$1 = 0; +var X1$1 = 0; +var Y1$1 = 0; +var Z1$1 = 0; +var X2$1 = 0; +var Y2$1 = 0; +var Z2$1 = 0; +var x00$1; +var y00$1; +var x0$3; +var y0$3; + var centroidStream$1 = { + point: centroidPoint$1, + lineStart: centroidLineStart$1, + lineEnd: centroidLineEnd$1, + polygonStart: function() { + centroidStream$1.lineStart = centroidRingStart$1; + centroidStream$1.lineEnd = centroidRingEnd$1; + }, + polygonEnd: function() { + centroidStream$1.point = centroidPoint$1; + centroidStream$1.lineStart = centroidLineStart$1; + centroidStream$1.lineEnd = centroidLineEnd$1; + }, + result: function() { + var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] + : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] + : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] + : [NaN, NaN]; + X0$1 = Y0$1 = Z0$1 = + X1$1 = Y1$1 = Z1$1 = + X2$1 = Y2$1 = Z2$1 = 0; + return centroid; + } + }; + + function centroidPoint$1(x, y) { + X0$1 += x; + Y0$1 += y; + ++Z0$1; + } + + function centroidLineStart$1() { + centroidStream$1.point = centroidPointFirstLine; + } + + function centroidPointFirstLine(x, y) { + centroidStream$1.point = centroidPointLine; + centroidPoint$1(x0$3 = x, y0$3 = y); + } + + function centroidPointLine(x, y) { + var dx = x - x0$3, dy = y - y0$3, z = sqrt$1(dx * dx + dy * dy); + X1$1 += z * (x0$3 + x) / 2; + Y1$1 += z * (y0$3 + y) / 2; + Z1$1 += z; + centroidPoint$1(x0$3 = x, y0$3 = y); + } + + function centroidLineEnd$1() { + centroidStream$1.point = centroidPoint$1; + } + + function centroidRingStart$1() { + centroidStream$1.point = centroidPointFirstRing; + } + + function centroidRingEnd$1() { + centroidPointRing(x00$1, y00$1); + } + + function centroidPointFirstRing(x, y) { + centroidStream$1.point = centroidPointRing; + centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); + } + + function centroidPointRing(x, y) { + var dx = x - x0$3, + dy = y - y0$3, + z = sqrt$1(dx * dx + dy * dy); + + X1$1 += z * (x0$3 + x) / 2; + Y1$1 += z * (y0$3 + y) / 2; + Z1$1 += z; + + z = y0$3 * x - x0$3 * y; + X2$1 += z * (x0$3 + x); + Y2$1 += z * (y0$3 + y); + Z2$1 += z * 3; + centroidPoint$1(x0$3 = x, y0$3 = y); + } + + function PathContext(context) { + var pointRadius = 4.5; + + var stream = { + point: point, + + // While inside a line, override point to moveTo then lineTo. + lineStart: function() { stream.point = pointLineStart; }, + lineEnd: lineEnd, + + // While inside a polygon, override lineEnd to closePath. + polygonStart: function() { stream.lineEnd = lineEndPolygon; }, + polygonEnd: function() { stream.lineEnd = lineEnd; stream.point = point; }, + + pointRadius: function(_) { + pointRadius = _; + return stream; + }, + + result: noop$2 + }; + + function point(x, y) { + context.moveTo(x + pointRadius, y); + context.arc(x, y, pointRadius, 0, tau$4); + } + + function pointLineStart(x, y) { + context.moveTo(x, y); + stream.point = pointLine; + } + + function pointLine(x, y) { + context.lineTo(x, y); + } + + function lineEnd() { + stream.point = point; + } + + function lineEndPolygon() { + context.closePath(); + } + + return stream; + } + + function PathString() { + var pointCircle = circle$2(4.5), + string = []; + + var stream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + stream.lineEnd = lineEndPolygon; + }, + polygonEnd: function() { + stream.lineEnd = lineEnd; + stream.point = point; + }, + pointRadius: function(_) { + pointCircle = circle$2(_); + return stream; + }, + result: function() { + if (string.length) { + var result = string.join(""); + string = []; + return result; + } + } + }; + + function point(x, y) { + string.push("M", x, ",", y, pointCircle); + } + + function pointLineStart(x, y) { + string.push("M", x, ",", y); + stream.point = pointLine; + } + + function pointLine(x, y) { + string.push("L", x, ",", y); + } + + function lineStart() { + stream.point = pointLineStart; + } + + function lineEnd() { + stream.point = point; + } + + function lineEndPolygon() { + string.push("Z"); + } + + return stream; + } + + function circle$2(radius) { + return "m0," + radius + + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + + "z"; + } + + function index$3() { + var pointRadius = 4.5, + projection, + projectionStream, + context, + contextStream; + + function path(object) { + if (object) { + if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); + stream(object, projectionStream(contextStream)); + } + return contextStream.result(); + } + + path.area = function(object) { + stream(object, projectionStream(areaStream$1)); + return areaStream$1.result(); + }; + + path.bounds = function(object) { + stream(object, projectionStream(boundsStream$1)); + return boundsStream$1.result(); + }; + + path.centroid = function(object) { + stream(object, projectionStream(centroidStream$1)); + return centroidStream$1.result(); + }; + + path.projection = function(_) { + return arguments.length ? (projectionStream = (projection = _) == null ? identity$7 : _.stream, path) : projection; + }; + + path.context = function(_) { + if (!arguments.length) return context; + contextStream = (context = _) == null ? new PathString : new PathContext(_); + if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); + return path; + }; + + path.pointRadius = function(_) { + if (!arguments.length) return pointRadius; + pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); + return path; + }; + + return path.projection(null).context(null); + } + + var sum$2 = adder(); + + function polygonContains(polygon, point) { + var lambda = point[0], + phi = point[1], + normal = [sin$1(lambda), -cos$1(lambda), 0], + angle = 0, + winding = 0; + + for (var i = 0, n = polygon.length; i < n; ++i) { + if (!(m = (ring = polygon[i]).length)) continue; + var ring, + m, + point0 = ring[m - 1], + lambda0 = point0[0], + phi0 = point0[1] / 2 + quarterPi, + sinPhi0 = sin$1(phi0), + cosPhi0 = cos$1(phi0); + + for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { + var point1 = ring[j], + lambda1 = point1[0], + phi1 = point1[1] / 2 + quarterPi, + sinPhi1 = sin$1(phi1), + cosPhi1 = cos$1(phi1), + delta = lambda1 - lambda0, + sign = delta >= 0 ? 1 : -1, + absDelta = sign * delta, + antimeridian = absDelta > pi$4, + k = sinPhi0 * sinPhi1; + + sum$2.add(atan2(k * sign * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); + angle += antimeridian ? delta + sign * tau$4 : delta; + + // Are the longitudes either side of the point’s meridian (lambda), + // and are the latitudes smaller than the parallel (phi)? + if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) { + var arc = cartesianCross(cartesian(point0), cartesian(point1)); + cartesianNormalizeInPlace(arc); + var intersection = cartesianCross(normal, arc); + cartesianNormalizeInPlace(intersection); + var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin$1(intersection[2]); + if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) { + winding += antimeridian ^ delta >= 0 ? 1 : -1; + } + } + } + } + + // First, determine whether the South pole is inside or outside: + // + // It is inside if: + // * the polygon winds around it in a clockwise direction. + // * the polygon does not (cumulatively) wind around it, but has a negative + // (counter-clockwise) area. + // + // Second, count the (signed) number of times a segment crosses a lambda + // from the point to the South pole. If it is zero, then the point is the + // same side as the South pole. + + var contains = (angle < -epsilon$4 || angle < epsilon$4 && sum$2 < -epsilon$4) ^ (winding & 1); + sum$2.reset(); + return contains; + } + + function clip(pointVisible, clipLine, interpolate, start) { + return function(rotate, sink) { + var line = clipLine(sink), + rotatedStart = rotate.invert(start[0], start[1]), + ringBuffer = clipBuffer(), + ringSink = clipLine(ringBuffer), + polygonStarted = false, + polygon, + segments, + ring; + + var clip = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + clip.point = pointRing; + clip.lineStart = ringStart; + clip.lineEnd = ringEnd; + segments = []; + polygon = []; + }, + polygonEnd: function() { + clip.point = point; + clip.lineStart = lineStart; + clip.lineEnd = lineEnd; + segments = merge(segments); + var startInside = polygonContains(polygon, rotatedStart); + if (segments.length) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + clipPolygon(segments, compareIntersection, startInside, interpolate, sink); + } else if (startInside) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); + } + if (polygonStarted) sink.polygonEnd(), polygonStarted = false; + segments = polygon = null; + }, + sphere: function() { + sink.polygonStart(); + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); + sink.polygonEnd(); + } + }; + + function point(lambda, phi) { + var point = rotate(lambda, phi); + if (pointVisible(lambda = point[0], phi = point[1])) sink.point(lambda, phi); + } + + function pointLine(lambda, phi) { + var point = rotate(lambda, phi); + line.point(point[0], point[1]); + } + + function lineStart() { + clip.point = pointLine; + line.lineStart(); + } + + function lineEnd() { + clip.point = point; + line.lineEnd(); + } + + function pointRing(lambda, phi) { + ring.push([lambda, phi]); + var point = rotate(lambda, phi); + ringSink.point(point[0], point[1]); + } + + function ringStart() { + ringSink.lineStart(); + ring = []; + } + + function ringEnd() { + pointRing(ring[0][0], ring[0][1]); + ringSink.lineEnd(); + + var clean = ringSink.clean(), + ringSegments = ringBuffer.result(), + i, n = ringSegments.length, m, + segment, + point; + + ring.pop(); + polygon.push(ring); + ring = null; + + if (!n) return; + + // No intersections. + if (clean & 1) { + segment = ringSegments[0]; + if ((m = segment.length - 1) > 0) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); + sink.lineEnd(); + } + return; + } + + // Rejoin connected segments. + // TODO reuse ringBuffer.rejoin()? + if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); + + segments.push(ringSegments.filter(validSegment)); + } + + return clip; + }; + } + + function validSegment(segment) { + return segment.length > 1; + } + + // Intersections are sorted along the clip edge. For both antimeridian cutting + // and circle clipping, the same comparison is used. + function compareIntersection(a, b) { + return ((a = a.x)[0] < 0 ? a[1] - halfPi$3 - epsilon$4 : halfPi$3 - a[1]) + - ((b = b.x)[0] < 0 ? b[1] - halfPi$3 - epsilon$4 : halfPi$3 - b[1]); + } + + var clipAntimeridian = clip( + function() { return true; }, + clipAntimeridianLine, + clipAntimeridianInterpolate, + [-pi$4, -halfPi$3] + ); + + // Takes a line and cuts into visible segments. Return values: 0 - there were + // intersections or the line was empty; 1 - no intersections; 2 - there were + // intersections, and the first and last segments should be rejoined. + function clipAntimeridianLine(stream) { + var lambda0 = NaN, + phi0 = NaN, + sign0 = NaN, + clean; // no intersections + + return { + lineStart: function() { + stream.lineStart(); + clean = 1; + }, + point: function(lambda1, phi1) { + var sign1 = lambda1 > 0 ? pi$4 : -pi$4, + delta = abs(lambda1 - lambda0); + if (abs(delta - pi$4) < epsilon$4) { // line crosses a pole + stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$3 : -halfPi$3); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + stream.point(lambda1, phi0); + clean = 0; + } else if (sign0 !== sign1 && delta >= pi$4) { // line crosses antimeridian + if (abs(lambda0 - sign0) < epsilon$4) lambda0 -= sign0 * epsilon$4; // handle degeneracies + if (abs(lambda1 - sign1) < epsilon$4) lambda1 -= sign1 * epsilon$4; + phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + clean = 0; + } + stream.point(lambda0 = lambda1, phi0 = phi1); + sign0 = sign1; + }, + lineEnd: function() { + stream.lineEnd(); + lambda0 = phi0 = NaN; + }, + clean: function() { + return 2 - clean; // if intersections, rejoin first and last segments + } + }; + } + + function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { + var cosPhi0, + cosPhi1, + sinLambda0Lambda1 = sin$1(lambda0 - lambda1); + return abs(sinLambda0Lambda1) > epsilon$4 + ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) + - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) + / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) + : (phi0 + phi1) / 2; + } + + function clipAntimeridianInterpolate(from, to, direction, stream) { + var phi; + if (from == null) { + phi = direction * halfPi$3; + stream.point(-pi$4, phi); + stream.point(0, phi); + stream.point(pi$4, phi); + stream.point(pi$4, 0); + stream.point(pi$4, -phi); + stream.point(0, -phi); + stream.point(-pi$4, -phi); + stream.point(-pi$4, 0); + stream.point(-pi$4, phi); + } else if (abs(from[0] - to[0]) > epsilon$4) { + var lambda = from[0] < to[0] ? pi$4 : -pi$4; + phi = direction * lambda / 2; + stream.point(-lambda, phi); + stream.point(0, phi); + stream.point(lambda, phi); + } else { + stream.point(to[0], to[1]); + } + } + + function clipCircle(radius, delta) { + var cr = cos$1(radius), + smallRadius = cr > 0, + notHemisphere = abs(cr) > epsilon$4; // TODO optimise for this common case + + function interpolate(from, to, direction, stream) { + circleStream(stream, radius, delta, direction, from, to); + } + + function visible(lambda, phi) { + return cos$1(lambda) * cos$1(phi) > cr; + } + + // Takes a line and cuts into visible segments. Return values used for polygon + // clipping: 0 - there were intersections or the line was empty; 1 - no + // intersections 2 - there were intersections, and the first and last segments + // should be rejoined. + function clipLine(stream) { + var point0, // previous point + c0, // code for previous point + v0, // visibility of previous point + v00, // visibility of first point + clean; // no intersections + return { + lineStart: function() { + v00 = v0 = false; + clean = 1; + }, + point: function(lambda, phi) { + var point1 = [lambda, phi], + point2, + v = visible(lambda, phi), + c = smallRadius + ? v ? 0 : code(lambda, phi) + : v ? code(lambda + (lambda < 0 ? pi$4 : -pi$4), phi) : 0; + if (!point0 && (v00 = v0 = v)) stream.lineStart(); + // Handle degeneracies. + // TODO ignore if not clipping polygons. + if (v !== v0) { + point2 = intersect(point0, point1); + if (pointEqual(point0, point2) || pointEqual(point1, point2)) { + point1[0] += epsilon$4; + point1[1] += epsilon$4; + v = visible(point1[0], point1[1]); + } + } + if (v !== v0) { + clean = 0; + if (v) { + // outside going in + stream.lineStart(); + point2 = intersect(point1, point0); + stream.point(point2[0], point2[1]); + } else { + // inside going out + point2 = intersect(point0, point1); + stream.point(point2[0], point2[1]); + stream.lineEnd(); + } + point0 = point2; + } else if (notHemisphere && point0 && smallRadius ^ v) { + var t; + // If the codes for two points are different, or are both zero, + // and there this segment intersects with the small circle. + if (!(c & c0) && (t = intersect(point1, point0, true))) { + clean = 0; + if (smallRadius) { + stream.lineStart(); + stream.point(t[0][0], t[0][1]); + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); + } else { + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); + stream.lineStart(); + stream.point(t[0][0], t[0][1]); + } + } + } + if (v && (!point0 || !pointEqual(point0, point1))) { + stream.point(point1[0], point1[1]); + } + point0 = point1, v0 = v, c0 = c; + }, + lineEnd: function() { + if (v0) stream.lineEnd(); + point0 = null; + }, + // Rejoin first and last segments if there were intersections and the first + // and last points were visible. + clean: function() { + return clean | ((v00 && v0) << 1); + } + }; + } + + // Intersects the great circle between a and b with the clip circle. + function intersect(a, b, two) { + var pa = cartesian(a), + pb = cartesian(b); + + // We have two planes, n1.p = d1 and n2.p = d2. + // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). + var n1 = [1, 0, 0], // normal + n2 = cartesianCross(pa, pb), + n2n2 = cartesianDot(n2, n2), + n1n2 = n2[0], // cartesianDot(n1, n2), + determinant = n2n2 - n1n2 * n1n2; + + // Two polar points. + if (!determinant) return !two && a; + + var c1 = cr * n2n2 / determinant, + c2 = -cr * n1n2 / determinant, + n1xn2 = cartesianCross(n1, n2), + A = cartesianScale(n1, c1), + B = cartesianScale(n2, c2); + cartesianAddInPlace(A, B); + + // Solve |p(t)|^2 = 1. + var u = n1xn2, + w = cartesianDot(A, u), + uu = cartesianDot(u, u), + t2 = w * w - uu * (cartesianDot(A, A) - 1); + + if (t2 < 0) return; + + var t = sqrt$1(t2), + q = cartesianScale(u, (-w - t) / uu); + cartesianAddInPlace(q, A); + q = spherical(q); + + if (!two) return q; + + // Two intersection points. + var lambda0 = a[0], + lambda1 = b[0], + phi0 = a[1], + phi1 = b[1], + z; + + if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; + + var delta = lambda1 - lambda0, + polar = abs(delta - pi$4) < epsilon$4, + meridian = polar || delta < epsilon$4; + + if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; + + // Check that the first point is between a and b. + if (meridian + ? polar + ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$4 ? phi0 : phi1) + : phi0 <= q[1] && q[1] <= phi1 + : delta > pi$4 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { + var q1 = cartesianScale(u, (-w + t) / uu); + cartesianAddInPlace(q1, A); + return [q, spherical(q1)]; + } + } + + // Generates a 4-bit vector representing the location of a point relative to + // the small circle's bounding box. + function code(lambda, phi) { + var r = smallRadius ? radius : pi$4 - radius, + code = 0; + if (lambda < -r) code |= 1; // left + else if (lambda > r) code |= 2; // right + if (phi < -r) code |= 4; // below + else if (phi > r) code |= 8; // above + return code; + } + + return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$4, radius - pi$4]); + } + + function transform$1(prototype) { + return { + stream: transform$2(prototype) + }; + } + + function transform$2(prototype) { + function T() {} + var p = T.prototype = Object.create(Transform$1.prototype); + for (var k in prototype) p[k] = prototype[k]; + return function(stream) { + var t = new T; + t.stream = stream; + return t; + }; + } + + function Transform$1() {} + + Transform$1.prototype = { + point: function(x, y) { this.stream.point(x, y); }, + sphere: function() { this.stream.sphere(); }, + lineStart: function() { this.stream.lineStart(); }, + lineEnd: function() { this.stream.lineEnd(); }, + polygonStart: function() { this.stream.polygonStart(); }, + polygonEnd: function() { this.stream.polygonEnd(); } + }; + + var maxDepth = 16; + var cosMinDistance = cos$1(30 * radians); + // cos(minimum angular distance) + + function resample(project, delta2) { + return +delta2 ? resample$1(project, delta2) : resampleNone(project); + } + + function resampleNone(project) { + return transform$2({ + point: function(x, y) { + x = project(x, y); + this.stream.point(x[0], x[1]); + } + }); + } + + function resample$1(project, delta2) { + + function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) { + var dx = x1 - x0, + dy = y1 - y0, + d2 = dx * dx + dy * dy; + if (d2 > 4 * delta2 && depth--) { + var a = a0 + a1, + b = b0 + b1, + c = c0 + c1, + m = sqrt$1(a * a + b * b + c * c), + phi2 = asin$1(c /= m), + lambda2 = abs(abs(c) - 1) < epsilon$4 || abs(lambda0 - lambda1) < epsilon$4 ? (lambda0 + lambda1) / 2 : atan2(b, a), + p = project(lambda2, phi2), + x2 = p[0], + y2 = p[1], + dx2 = x2 - x0, + dy2 = y2 - y0, + dz = dy * dx2 - dx * dy2; + if (dz * dz / d2 > delta2 // perpendicular projected distance + || abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end + || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream); + stream.point(x2, y2); + resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream); + } + } + } + return function(stream) { + var lambda00, x00, y00, a00, b00, c00, // first point + lambda0, x0, y0, a0, b0, c0; // previous point + + var resampleStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; }, + polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; } + }; + + function point(x, y) { + x = project(x, y); + stream.point(x[0], x[1]); + } + + function lineStart() { + x0 = NaN; + resampleStream.point = linePoint; + stream.lineStart(); + } + + function linePoint(lambda, phi) { + var c = cartesian([lambda, phi]), p = project(lambda, phi); + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); + stream.point(x0, y0); + } + + function lineEnd() { + resampleStream.point = point; + stream.lineEnd(); + } + + function ringStart() { + lineStart(); + resampleStream.point = ringPoint; + resampleStream.lineEnd = ringEnd; + } + + function ringPoint(lambda, phi) { + linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; + resampleStream.point = linePoint; + } + + function ringEnd() { + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream); + resampleStream.lineEnd = lineEnd; + lineEnd(); + } + + return resampleStream; + }; + } + + var transformRadians = transform$2({ + point: function(x, y) { + this.stream.point(x * radians, y * radians); + } + }); + + function projection(project) { + return projectionMutator(function() { return project; })(); + } + + function projectionMutator(projectAt) { + var project, + k = 150, // scale + x = 480, y = 250, // translate + dx, dy, lambda = 0, phi = 0, // center + deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, projectRotate, // rotate + theta = null, preclip = clipAntimeridian, // clip angle + x0 = null, y0, x1, y1, postclip = identity$7, // clip extent + delta2 = 0.5, projectResample = resample(projectTransform, delta2), // precision + cache, + cacheStream; + + function projection(point) { + point = projectRotate(point[0] * radians, point[1] * radians); + return [point[0] * k + dx, dy - point[1] * k]; + } + + function invert(point) { + point = projectRotate.invert((point[0] - dx) / k, (dy - point[1]) / k); + return point && [point[0] * degrees$1, point[1] * degrees$1]; + } + + function projectTransform(x, y) { + return x = project(x, y), [x[0] * k + dx, dy - x[1] * k]; + } + + projection.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = transformRadians(preclip(rotate, projectResample(postclip(cacheStream = stream)))); + }; + + projection.clipAngle = function(_) { + return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians, 6 * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1; + }; + + projection.clipExtent = function(_) { + return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$7) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + }; + + projection.scale = function(_) { + return arguments.length ? (k = +_, recenter()) : k; + }; + + projection.translate = function(_) { + return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y]; + }; + + projection.center = function(_) { + return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees$1, phi * degrees$1]; + }; + + projection.rotate = function(_) { + return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees$1, deltaPhi * degrees$1, deltaGamma * degrees$1]; + }; + + projection.precision = function(_) { + return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt$1(delta2); + }; + + function recenter() { + projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); + var center = project(lambda, phi); + dx = x - center[0] * k; + dy = y + center[1] * k; + return reset(); + } + + function reset() { + cache = cacheStream = null; + return projection; + } + + return function() { + project = projectAt.apply(this, arguments); + projection.invert = project.invert && invert; + return recenter(); + }; + } + + function conicProjection(projectAt) { + var phi0 = 0, + phi1 = pi$4 / 3, + m = projectionMutator(projectAt), + p = m(phi0, phi1); + + p.parallels = function(_) { + return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees$1, phi1 * degrees$1]; + }; + + return p; + } + + function conicEqualAreaRaw(y0, y1) { + var sy0 = sin$1(y0), + n = (sy0 + sin$1(y1)) / 2, + c = 1 + sy0 * (2 * n - sy0), + r0 = sqrt$1(c) / n; + + function project(x, y) { + var r = sqrt$1(c - 2 * n * sin$1(y)) / n; + return [r * sin$1(x *= n), r0 - r * cos$1(x)]; + } + + project.invert = function(x, y) { + var r0y = r0 - y; + return [atan2(x, r0y) / n, asin$1((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; + }; + + return project; + } + + function conicEqualArea() { + return conicProjection(conicEqualAreaRaw) + .scale(151) + .translate([480, 347]); + } + + function albers() { + return conicEqualArea() + .parallels([29.5, 45.5]) + .scale(1070) + .translate([480, 250]) + .rotate([96, 0]) + .center([-0.6, 38.7]); + } + + // The projections must have mutually exclusive clip regions on the sphere, + // as this will avoid emitting interleaving lines and polygons. + function multiplex(streams) { + var n = streams.length; + return { + point: function(x, y) { var i = -1; while (++i < n) streams[i].point(x, y); }, + sphere: function() { var i = -1; while (++i < n) streams[i].sphere(); }, + lineStart: function() { var i = -1; while (++i < n) streams[i].lineStart(); }, + lineEnd: function() { var i = -1; while (++i < n) streams[i].lineEnd(); }, + polygonStart: function() { var i = -1; while (++i < n) streams[i].polygonStart(); }, + polygonEnd: function() { var i = -1; while (++i < n) streams[i].polygonEnd(); } + }; + } + + // A composite projection for the United States, configured by default for + // 960×500. Also works quite well at 960×600 with scale 1285. The set of + // standard parallels for each region comes from USGS, which is published here: + // http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers + function albersUsa() { + var cache, + cacheStream, + lower48 = albers(), lower48Point, + alaska = conicEqualArea().rotate([154, 0]).center([-2, 58.5]).parallels([55, 65]), alaskaPoint, // EPSG:3338 + hawaii = conicEqualArea().rotate([157, 0]).center([-3, 19.9]).parallels([8, 18]), hawaiiPoint, // ESRI:102007 + point, pointStream = {point: function(x, y) { point = [x, y]; }}; + + function albersUsa(coordinates) { + var x = coordinates[0], y = coordinates[1]; + return point = null, + (lower48Point.point(x, y), point) + || (alaskaPoint.point(x, y), point) + || (hawaiiPoint.point(x, y), point); + } + + albersUsa.invert = function(coordinates) { + var k = lower48.scale(), + t = lower48.translate(), + x = (coordinates[0] - t[0]) / k, + y = (coordinates[1] - t[1]) / k; + return (y >= 0.120 && y < 0.234 && x >= -0.425 && x < -0.214 ? alaska + : y >= 0.166 && y < 0.234 && x >= -0.214 && x < -0.115 ? hawaii + : lower48).invert(coordinates); + }; + + albersUsa.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = multiplex([lower48.stream(cacheStream = stream), alaska.stream(stream), hawaii.stream(stream)]); + }; + + albersUsa.precision = function(_) { + if (!arguments.length) return lower48.precision(); + lower48.precision(_), alaska.precision(_), hawaii.precision(_); + return albersUsa; + }; + + albersUsa.scale = function(_) { + if (!arguments.length) return lower48.scale(); + lower48.scale(_), alaska.scale(_ * 0.35), hawaii.scale(_); + return albersUsa.translate(lower48.translate()); + }; + + albersUsa.translate = function(_) { + if (!arguments.length) return lower48.translate(); + var k = lower48.scale(), x = +_[0], y = +_[1]; + + lower48Point = lower48 + .translate(_) + .clipExtent([[x - 0.455 * k, y - 0.238 * k], [x + 0.455 * k, y + 0.238 * k]]) + .stream(pointStream); + + alaskaPoint = alaska + .translate([x - 0.307 * k, y + 0.201 * k]) + .clipExtent([[x - 0.425 * k + epsilon$4, y + 0.120 * k + epsilon$4], [x - 0.214 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) + .stream(pointStream); + + hawaiiPoint = hawaii + .translate([x - 0.205 * k, y + 0.212 * k]) + .clipExtent([[x - 0.214 * k + epsilon$4, y + 0.166 * k + epsilon$4], [x - 0.115 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) + .stream(pointStream); + + return albersUsa; + }; + + return albersUsa.scale(1070); + } + + function azimuthalRaw(scale) { + return function(x, y) { + var cx = cos$1(x), + cy = cos$1(y), + k = scale(cx * cy); + return [ + k * cy * sin$1(x), + k * sin$1(y) + ]; + } + } + + function azimuthalInvert(angle) { + return function(x, y) { + var z = sqrt$1(x * x + y * y), + c = angle(z), + sc = sin$1(c), + cc = cos$1(c); + return [ + atan2(x * sc, z * cc), + asin$1(z && y * sc / z) + ]; + } + } + + var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) { + return sqrt$1(2 / (1 + cxcy)); + }); + + azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) { + return 2 * asin$1(z / 2); + }); + + function azimuthalEqualArea() { + return projection(azimuthalEqualAreaRaw) + .scale(120) + .clipAngle(180 - 1e-3); + } + + var azimuthalEquidistantRaw = azimuthalRaw(function(c) { + return (c = acos(c)) && c / sin$1(c); + }); + + azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) { + return z; + }); + + function azimuthalEquidistant() { + return projection(azimuthalEquidistantRaw) + .scale(480 / tau$4) + .clipAngle(180 - 1e-3); + } + + function mercatorRaw(lambda, phi) { + return [lambda, log$1(tan((halfPi$3 + phi) / 2))]; + } + + mercatorRaw.invert = function(x, y) { + return [x, 2 * atan(exp(y)) - halfPi$3]; + }; + + function mercator() { + return mercatorProjection(mercatorRaw); + } + + function mercatorProjection(project) { + var m = projection(project), + scale = m.scale, + translate = m.translate, + clipExtent = m.clipExtent, + clipAuto; + + m.scale = function(_) { + return arguments.length ? (scale(_), clipAuto && m.clipExtent(null), m) : scale(); + }; + + m.translate = function(_) { + return arguments.length ? (translate(_), clipAuto && m.clipExtent(null), m) : translate(); + }; + + m.clipExtent = function(_) { + if (!arguments.length) return clipAuto ? null : clipExtent(); + if (clipAuto = _ == null) { + var k = pi$4 * scale(), t = translate(); + _ = [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]]; + } + clipExtent(_); + return m; + }; + + return m.clipExtent(null).scale(961 / tau$4); + } + + function tany(y) { + return tan((halfPi$3 + y) / 2); + } + + function conicConformalRaw(y0, y1) { + var cy0 = cos$1(y0), + n = y0 === y1 ? sin$1(y0) : log$1(cy0 / cos$1(y1)) / log$1(tany(y1) / tany(y0)), + f = cy0 * pow$1(tany(y0), n) / n; + + if (!n) return mercatorRaw; + + function project(x, y) { + if (f > 0) { if (y < -halfPi$3 + epsilon$4) y = -halfPi$3 + epsilon$4; } + else { if (y > halfPi$3 - epsilon$4) y = halfPi$3 - epsilon$4; } + var r = f / pow$1(tany(y), n); + return [r * sin$1(n * x), f - r * cos$1(n * x)]; + } + + project.invert = function(x, y) { + var fy = f - y, r = sign$1(n) * sqrt$1(x * x + fy * fy); + return [atan2(x, fy) / n, 2 * atan(pow$1(f / r, 1 / n)) - halfPi$3]; + }; + + return project; + } + + function conicConformal() { + return conicProjection(conicConformalRaw); + } + + function equirectangularRaw(lambda, phi) { + return [lambda, phi]; + } + + equirectangularRaw.invert = equirectangularRaw; + + function equirectangular() { + return projection(equirectangularRaw).scale(480 / pi$4); + } + + function conicEquidistantRaw(y0, y1) { + var cy0 = cos$1(y0), + n = y0 === y1 ? sin$1(y0) : (cy0 - cos$1(y1)) / (y1 - y0), + g = cy0 / n + y0; + + if (abs(n) < epsilon$4) return equirectangularRaw; + + function project(x, y) { + var gy = g - y, nx = n * x; + return [gy * sin$1(nx), g - gy * cos$1(nx)]; + } + + project.invert = function(x, y) { + var gy = g - y; + return [atan2(x, gy) / n, g - sign$1(n) * sqrt$1(x * x + gy * gy)]; + }; + + return project; + } + + function conicEquidistant() { + return conicProjection(conicEquidistantRaw) + .scale(128) + .translate([480, 280]); + } + + function gnomonicRaw(x, y) { + var cy = cos$1(y), k = cos$1(x) * cy; + return [cy * sin$1(x) / k, sin$1(y) / k]; + } + + gnomonicRaw.invert = azimuthalInvert(atan); + + function gnomonic() { + return projection(gnomonicRaw) + .scale(139) + .clipAngle(60); + } + + function orthographicRaw(x, y) { + return [cos$1(y) * sin$1(x), sin$1(y)]; + } + + orthographicRaw.invert = azimuthalInvert(asin$1); + + function orthographic() { + return projection(orthographicRaw) + .scale(240) + .clipAngle(90 + epsilon$4); + } + + function stereographicRaw(x, y) { + var cy = cos$1(y), k = 1 + cos$1(x) * cy; + return [cy * sin$1(x) / k, sin$1(y) / k]; + } + + stereographicRaw.invert = azimuthalInvert(function(z) { + return 2 + atan(z); + }); + + function stereographic() { + return projection(stereographicRaw) + .scale(240) + .clipAngle(142); + } + + function transverseMercatorRaw(lambda, phi) { + return [log$1(tan((halfPi$3 + phi) / 2)), -lambda]; + } + + transverseMercatorRaw.invert = function(x, y) { + return [-y, 2 * atan(exp(x)) - halfPi$3]; + }; + + function transverseMercator() { + var m = mercatorProjection(transverseMercatorRaw), + center = m.center, + rotate = m.rotate; + + m.center = function(_) { + return arguments.length ? center([-_[1], _[0]]) : (_ = center(), [_[1], -_[0]]); + }; + + m.rotate = function(_) { + return arguments.length ? rotate([_[0], _[1], _.length > 2 ? _[2] + 90 : 90]) : (_ = rotate(), [_[0], _[1], _[2] - 90]); + }; + + return rotate([0, 0, 90]); + } + + exports.version = version; + exports.bisect = bisectRight; + exports.bisectRight = bisectRight; + exports.bisectLeft = bisectLeft; + exports.ascending = ascending; + exports.bisector = bisector; + exports.descending = descending; + exports.deviation = deviation; + exports.extent = extent; + exports.histogram = histogram; + exports.thresholdFreedmanDiaconis = freedmanDiaconis; + exports.thresholdScott = scott; + exports.thresholdSturges = sturges; + exports.max = max; + exports.mean = mean; + exports.median = median; + exports.merge = merge; + exports.min = min; + exports.pairs = pairs; + exports.permute = permute; + exports.quantile = threshold; + exports.range = range; + exports.scan = scan; + exports.shuffle = shuffle; + exports.sum = sum; + exports.ticks = ticks; + exports.tickStep = tickStep; + exports.transpose = transpose; + exports.variance = variance; + exports.zip = zip; + exports.entries = entries; + exports.keys = keys; + exports.values = values; + exports.map = map$1; + exports.set = set; + exports.nest = nest; + exports.randomUniform = uniform; + exports.randomNormal = normal; + exports.randomLogNormal = logNormal; + exports.randomBates = bates; + exports.randomIrwinHall = irwinHall; + exports.randomExponential = exponential; + exports.easeLinear = linear; + exports.easeQuad = quadInOut; + exports.easeQuadIn = quadIn; + exports.easeQuadOut = quadOut; + exports.easeQuadInOut = quadInOut; + exports.easeCubic = easeCubicInOut; + exports.easeCubicIn = cubicIn; + exports.easeCubicOut = cubicOut; + exports.easeCubicInOut = easeCubicInOut; + exports.easePoly = polyInOut; + exports.easePolyIn = polyIn; + exports.easePolyOut = polyOut; + exports.easePolyInOut = polyInOut; + exports.easeSin = sinInOut; + exports.easeSinIn = sinIn; + exports.easeSinOut = sinOut; + exports.easeSinInOut = sinInOut; + exports.easeExp = expInOut; + exports.easeExpIn = expIn; + exports.easeExpOut = expOut; + exports.easeExpInOut = expInOut; + exports.easeCircle = circleInOut; + exports.easeCircleIn = circleIn; + exports.easeCircleOut = circleOut; + exports.easeCircleInOut = circleInOut; + exports.easeBounce = bounceOut; + exports.easeBounceIn = bounceIn; + exports.easeBounceOut = bounceOut; + exports.easeBounceInOut = bounceInOut; + exports.easeBack = backInOut; + exports.easeBackIn = backIn; + exports.easeBackOut = backOut; + exports.easeBackInOut = backInOut; + exports.easeElastic = elasticOut; + exports.easeElasticIn = elasticIn; + exports.easeElasticOut = elasticOut; + exports.easeElasticInOut = elasticInOut; + exports.polygonArea = area; + exports.polygonCentroid = centroid; + exports.polygonHull = hull; + exports.polygonContains = contains; + exports.polygonLength = length$1; + exports.path = path; + exports.quadtree = quadtree; + exports.queue = queue; + exports.arc = arc; + exports.area = area$1; + exports.line = line; + exports.pie = pie; + exports.radialArea = radialArea; + exports.radialLine = radialLine$1; + exports.symbol = symbol; + exports.symbols = symbols; + exports.symbolCircle = circle; + exports.symbolCross = cross$1; + exports.symbolDiamond = diamond; + exports.symbolSquare = square; + exports.symbolStar = star; + exports.symbolTriangle = triangle; + exports.symbolWye = wye; + exports.curveBasisClosed = basisClosed; + exports.curveBasisOpen = basisOpen; + exports.curveBasis = basis; + exports.curveBundle = bundle; + exports.curveCardinalClosed = cardinalClosed; + exports.curveCardinalOpen = cardinalOpen; + exports.curveCardinal = cardinal; + exports.curveCatmullRomClosed = catmullRomClosed; + exports.curveCatmullRomOpen = catmullRomOpen; + exports.curveCatmullRom = catmullRom; + exports.curveLinearClosed = linearClosed; + exports.curveLinear = curveLinear; + exports.curveMonotoneX = monotoneX; + exports.curveMonotoneY = monotoneY; + exports.curveNatural = natural; + exports.curveStep = step; + exports.curveStepAfter = stepAfter; + exports.curveStepBefore = stepBefore; + exports.stack = stack; + exports.stackOffsetExpand = expand; + exports.stackOffsetNone = none; + exports.stackOffsetSilhouette = silhouette; + exports.stackOffsetWiggle = wiggle; + exports.stackOrderAscending = ascending$1; + exports.stackOrderDescending = descending$2; + exports.stackOrderInsideOut = insideOut; + exports.stackOrderNone = none$1; + exports.stackOrderReverse = reverse; + exports.color = color; + exports.rgb = colorRgb; + exports.hsl = colorHsl; + exports.lab = lab; + exports.hcl = colorHcl; + exports.cubehelix = cubehelix; + exports.interpolate = interpolate; + exports.interpolateArray = array$1; + exports.interpolateDate = date; + exports.interpolateNumber = interpolateNumber; + exports.interpolateObject = object; + exports.interpolateRound = interpolateRound; + exports.interpolateString = interpolateString; + exports.interpolateTransformCss = interpolateTransform$1; + exports.interpolateTransformSvg = interpolateTransform$2; + exports.interpolateZoom = interpolateZoom; + exports.interpolateRgb = interpolateRgb; + exports.interpolateRgbBasis = rgbBasis; + exports.interpolateRgbBasisClosed = rgbBasisClosed; + exports.interpolateHsl = hsl$1; + exports.interpolateHslLong = hslLong; + exports.interpolateLab = lab$1; + exports.interpolateHcl = hcl$1; + exports.interpolateHclLong = hclLong; + exports.interpolateCubehelix = cubehelix$2; + exports.interpolateCubehelixLong = interpolateCubehelixLong; + exports.interpolateBasis = basis$2; + exports.interpolateBasisClosed = basisClosed$1; + exports.quantize = quantize; + exports.dispatch = dispatch; + exports.dsvFormat = dsv; + exports.csvParse = csvParse; + exports.csvParseRows = csvParseRows; + exports.csvFormat = csvFormat; + exports.csvFormatRows = csvFormatRows; + exports.tsvParse = tsvParse; + exports.tsvParseRows = tsvParseRows; + exports.tsvFormat = tsvFormat; + exports.tsvFormatRows = tsvFormatRows; + exports.request = request; + exports.html = html; + exports.json = json; + exports.text = text; + exports.xml = xml; + exports.csv = csv$1; + exports.tsv = tsv$1; + exports.now = now; + exports.timer = timer; + exports.timerFlush = timerFlush; + exports.timeout = timeout$1; + exports.interval = interval$1; + exports.timeInterval = newInterval; + exports.timeMillisecond = millisecond; + exports.timeMilliseconds = milliseconds; + exports.timeSecond = second; + exports.timeSeconds = seconds; + exports.timeMinute = minute; + exports.timeMinutes = minutes; + exports.timeHour = hour; + exports.timeHours = hours; + exports.timeDay = day; + exports.timeDays = days; + exports.timeWeek = timeWeek; + exports.timeWeeks = sundays; + exports.timeSunday = timeWeek; + exports.timeSundays = sundays; + exports.timeMonday = timeMonday; + exports.timeMondays = mondays; + exports.timeTuesday = tuesday; + exports.timeTuesdays = tuesdays; + exports.timeWednesday = wednesday; + exports.timeWednesdays = wednesdays; + exports.timeThursday = thursday; + exports.timeThursdays = thursdays; + exports.timeFriday = friday; + exports.timeFridays = fridays; + exports.timeSaturday = saturday; + exports.timeSaturdays = saturdays; + exports.timeMonth = month; + exports.timeMonths = months; + exports.timeYear = year; + exports.timeYears = years; + exports.utcMillisecond = millisecond; + exports.utcMilliseconds = milliseconds; + exports.utcSecond = second; + exports.utcSeconds = seconds; + exports.utcMinute = utcMinute; + exports.utcMinutes = utcMinutes; + exports.utcHour = utcHour; + exports.utcHours = utcHours; + exports.utcDay = utcDay; + exports.utcDays = utcDays; + exports.utcWeek = utcWeek; + exports.utcWeeks = utcSundays; + exports.utcSunday = utcWeek; + exports.utcSundays = utcSundays; + exports.utcMonday = utcMonday; + exports.utcMondays = utcMondays; + exports.utcTuesday = utcTuesday; + exports.utcTuesdays = utcTuesdays; + exports.utcWednesday = utcWednesday; + exports.utcWednesdays = utcWednesdays; + exports.utcThursday = utcThursday; + exports.utcThursdays = utcThursdays; + exports.utcFriday = utcFriday; + exports.utcFridays = utcFridays; + exports.utcSaturday = utcSaturday; + exports.utcSaturdays = utcSaturdays; + exports.utcMonth = utcMonth; + exports.utcMonths = utcMonths; + exports.utcYear = utcYear; + exports.utcYears = utcYears; + exports.formatLocale = formatLocale; + exports.formatDefaultLocale = defaultLocale; + exports.formatSpecifier = formatSpecifier; + exports.precisionFixed = precisionFixed; + exports.precisionPrefix = precisionPrefix; + exports.precisionRound = precisionRound; + exports.isoFormat = formatIso; + exports.isoParse = parseIso; + exports.timeFormatLocale = formatLocale$1; + exports.timeFormatDefaultLocale = defaultLocale$1; + exports.scaleBand = band; + exports.scalePoint = point$4; + exports.scaleIdentity = identity$4; + exports.scaleLinear = linear$2; + exports.scaleLog = log; + exports.scaleOrdinal = ordinal; + exports.scaleImplicit = implicit; + exports.scalePow = pow; + exports.scaleSqrt = sqrt; + exports.scaleQuantile = quantile; + exports.scaleQuantize = quantize$1; + exports.scaleThreshold = threshold$1; + exports.scaleTime = time; + exports.scaleUtc = utcTime; + exports.schemeCategory10 = category10; + exports.schemeCategory20b = category20b; + exports.schemeCategory20c = category20c; + exports.schemeCategory20 = category20; + exports.scaleSequential = sequential; + exports.interpolateCubehelixDefault = cubehelix$3; + exports.interpolateRainbow = rainbow$1; + exports.interpolateWarm = warm; + exports.interpolateCool = cool; + exports.interpolateViridis = viridis; + exports.interpolateMagma = magma; + exports.interpolateInferno = inferno; + exports.interpolatePlasma = plasma; + exports.creator = creator; + exports.customEvent = customEvent; + exports.local = local; + exports.matcher = matcher$1; + exports.mouse = mouse; + exports.namespace = namespace; + exports.namespaces = namespaces; + exports.select = select; + exports.selectAll = selectAll; + exports.selection = selection; + exports.selector = selector; + exports.selectorAll = selectorAll; + exports.touch = touch; + exports.touches = touches; + exports.window = window; + exports.active = active; + exports.interrupt = interrupt; + exports.transition = transition; + exports.axisTop = axisTop; + exports.axisRight = axisRight; + exports.axisBottom = axisBottom; + exports.axisLeft = axisLeft; + exports.cluster = cluster; + exports.hierarchy = hierarchy; + exports.pack = index; + exports.packSiblings = siblings; + exports.packEnclose = enclose; + exports.partition = partition; + exports.stratify = stratify; + exports.tree = tree; + exports.treemap = index$1; + exports.treemapBinary = binary; + exports.treemapDice = treemapDice; + exports.treemapSlice = treemapSlice; + exports.treemapSliceDice = sliceDice; + exports.treemapSquarify = squarify; + exports.treemapResquarify = resquarify; + exports.forceCenter = center$1; + exports.forceCollide = collide; + exports.forceLink = link; + exports.forceManyBody = manyBody; + exports.forceSimulation = simulation; + exports.forceX = x$3; + exports.forceY = y$3; + exports.drag = drag; + exports.dragDisable = dragDisable; + exports.dragEnable = dragEnable; + exports.voronoi = voronoi; + exports.zoom = zoom; + exports.zoomIdentity = identity$6; + exports.zoomTransform = transform; + exports.brush = brush; + exports.brushX = brushX; + exports.brushY = brushY; + exports.brushSelection = brushSelection; + exports.chord = chord; + exports.ribbon = ribbon; + exports.geoAlbers = albers; + exports.geoAlbersUsa = albersUsa; + exports.geoArea = area$2; + exports.geoAzimuthalEqualArea = azimuthalEqualArea; + exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw; + exports.geoAzimuthalEquidistant = azimuthalEquidistant; + exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; + exports.geoBounds = bounds; + exports.geoCentroid = centroid$1; + exports.geoCircle = circle$1; + exports.geoClipExtent = extent$1; + exports.geoConicConformal = conicConformal; + exports.geoConicConformalRaw = conicConformalRaw; + exports.geoConicEqualArea = conicEqualArea; + exports.geoConicEqualAreaRaw = conicEqualAreaRaw; + exports.geoConicEquidistant = conicEquidistant; + exports.geoConicEquidistantRaw = conicEquidistantRaw; + exports.geoDistance = distance; + exports.geoEquirectangular = equirectangular; + exports.geoEquirectangularRaw = equirectangularRaw; + exports.geoGnomonic = gnomonic; + exports.geoGnomonicRaw = gnomonicRaw; + exports.geoGraticule = graticule; + exports.geoInterpolate = interpolate$2; + exports.geoLength = length$2; + exports.geoMercator = mercator; + exports.geoMercatorRaw = mercatorRaw; + exports.geoOrthographic = orthographic; + exports.geoOrthographicRaw = orthographicRaw; + exports.geoPath = index$3; + exports.geoProjection = projection; + exports.geoProjectionMutator = projectionMutator; + exports.geoRotation = rotation; + exports.geoStereographic = stereographic; + exports.geoStereographicRaw = stereographicRaw; + exports.geoStream = stream; + exports.geoTransform = transform$1; + exports.geoTransverseMercator = transverseMercator; + exports.geoTransverseMercatorRaw = transverseMercatorRaw; + + Object.defineProperty(exports, '__esModule', { value: true }); + +})); \ No newline at end of file diff --git a/app/assets/javascripts/d3.v4.min.js b/app/assets/javascripts/d3.v4.min.js new file mode 100644 index 0000000..46a2659 --- /dev/null +++ b/app/assets/javascripts/d3.v4.min.js @@ -0,0 +1,8 @@ +// https://d3js.org Version 4.1.0. 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e=Math.sqrt(n/yv);t.moveTo(e,0),t.arc(0,0,e,0,mv)}},wv={draw:function(t,n){var e=Math.sqrt(n/5)/2;t.moveTo(-3*e,-e),t.lineTo(-e,-e),t.lineTo(-e,-3*e),t.lineTo(e,-3*e),t.lineTo(e,-e),t.lineTo(3*e,-e),t.lineTo(3*e,e),t.lineTo(e,e),t.lineTo(e,3*e),t.lineTo(-e,3*e),t.lineTo(-e,e),t.lineTo(-3*e,e),t.closePath()}},Mv=Math.sqrt(1/3),Tv=2*Mv,kv={draw:function(t,n){var e=Math.sqrt(n/Tv),r=e*Mv;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},Nv=.8908130915292852,Sv=Math.sin(yv/10)/Math.sin(7*yv/10),Av=Math.sin(mv/10)*Sv,Ev=-Math.cos(mv/10)*Sv,Cv={draw:function(t,n){var e=Math.sqrt(n*Nv),r=Av*e,i=Ev*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var u=mv*o/5,a=Math.cos(u),c=Math.sin(u);t.lineTo(c*e,-a*e),t.lineTo(a*r-c*i,c*r+a*i)}t.closePath()}},zv={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},Pv=Math.sqrt(3),qv={draw:function(t,n){var e=-Math.sqrt(n/(3*Pv));t.moveTo(0,2*e),t.lineTo(-Pv*e,-e),t.lineTo(Pv*e,-e),t.closePath()}},Lv=-.5,Rv=Math.sqrt(3)/2,Uv=1/Math.sqrt(12),Dv=3*(Uv/2+1),Ov={draw:function(t,n){var e=Math.sqrt(n/Dv),r=e/2,i=e*Uv,o=r,u=e*Uv+e,a=-o,c=u;t.moveTo(r,i),t.lineTo(o,u),t.lineTo(a,c),t.lineTo(Lv*r-Rv*i,Rv*r+Lv*i),t.lineTo(Lv*o-Rv*u,Rv*o+Lv*u),t.lineTo(Lv*a-Rv*c,Rv*a+Lv*c),t.lineTo(Lv*r+Rv*i,Lv*i-Rv*r),t.lineTo(Lv*o+Rv*u,Lv*u-Rv*o),t.lineTo(Lv*a+Rv*c,Lv*c-Rv*a),t.closePath()}},Fv=[bv,wv,kv,zv,Cv,qv,Ov];Sn.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Nn(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Nn(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},En.prototype={areaStart:kn,areaEnd:kn,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Nn(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},zn.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Nn(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},qn.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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t?new Yn(n,t):new Dn(n,0)}return n.alpha=function(t){return Cw(+t)},n}(.5);Bn.prototype={areaStart:kn,areaEnd:kn,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}},$n.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:Wn(this,this._t0,Vn(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 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\ No newline at end of file diff --git a/lib/d3/rails/version.rb b/lib/d3/rails/version.rb index edde35e..fcf87a6 100644 --- a/lib/d3/rails/version.rb +++ b/lib/d3/rails/version.rb @@ -1,5 +1,5 @@ module D3 module Rails - VERSION = "3.5.17" + VERSION = "4.1.0" end end From 028869acb850640eee4b5fc057adcd092553bb2a Mon Sep 17 00:00:00 2001 From: Matthias Link Date: Tue, 16 Aug 2016 08:12:59 +0200 Subject: [PATCH 06/42] Update to version 4.2.2 --- CHANGELOG.md | 3 + README.md | 2 +- app/assets/javascripts/d3.js | 219 +++++++++++++++++----------- app/assets/javascripts/d3.min.js | 16 +- app/assets/javascripts/d3.v4.js | 219 +++++++++++++++++----------- app/assets/javascripts/d3.v4.min.js | 16 +- lib/d3/rails/version.rb | 2 +- 7 files changed, 281 insertions(+), 196 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 5538a2f..952a395 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## 4.2.2 (16 August 2016) +* Upgrade D3 to 4.2.2 + ## 4.1.0 (7 July 2016) * Upgrade D3 to 4.1.0 * Keep D3.v3 at 3.5.17 diff --git a/README.md b/README.md index 5f50cbd..5ec4a75 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 4.1.0 of D3.js. The d3-rails version will +d3-rails comes with version 4.2.2 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index cbba731..58e6efb 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,11 +1,11 @@ -// https://d3js.org Version 4.1.0. Copyright 2016 Mike Bostock. +// https://d3js.org Version 4.2.2. Copyright 2016 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); -}(this, function (exports) { 'use strict'; +}(this, (function (exports) { 'use strict'; - var version = "4.1.0"; + var version = "4.2.2"; function ascending(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -4808,15 +4808,15 @@ var tau$1 = 2 * pi$1; // If callback is non-null, it will be used for error and load events. send: function(method, data, callback) { - if (!callback && typeof data === "function") callback = data, data = null; - if (callback && callback.length === 1) callback = fixCallback(callback); xhr.open(method, url, true, user, password); if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*"); if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); }); if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType); if (responseType != null) xhr.responseType = responseType; if (timeout > 0) xhr.timeout = timeout; - if (callback) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); }); + if (callback == null && typeof data === "function") callback = data, data = null; + if (callback != null && callback.length === 1) callback = fixCallback(callback); + if (callback != null) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); }); event.call("beforesend", request, xhr); xhr.send(data == null ? null : data); return request; @@ -4833,9 +4833,12 @@ var tau$1 = 2 * pi$1; } }; - return callback - ? request.get(callback) - : request; + if (callback != null) { + if (typeof callback !== "function") throw new Error("invalid callback: " + callback); + return request.get(callback); + } + + return request; } function fixCallback(callback) { @@ -4854,7 +4857,11 @@ var tau$1 = 2 * pi$1; function type(defaultMimeType, response) { return function(url, callback) { var r = request(url).mimeType(defaultMimeType).response(response); - return callback ? r.get(callback) : r; + if (callback != null) { + if (typeof callback !== "function") throw new Error("invalid callback: " + callback); + return r.get(callback); + } + return r; }; } @@ -5620,9 +5627,6 @@ var t1$1 = new Date; } var locale; - exports.format; - exports.formatPrefix; - defaultLocale({ decimal: ".", thousands: ",", @@ -6178,11 +6182,6 @@ var t1$1 = new Date; } var locale$1; - exports.timeFormat; - exports.timeParse; - exports.utcFormat; - exports.utcParse; - defaultLocale$1({ dateTime: "%x, %X", date: "%-m/%-d/%Y", @@ -8815,9 +8814,10 @@ var epsilon$2 = 1e-6; } function center(scale) { - var width = scale.bandwidth() / 2; + var offset = scale.bandwidth() / 2; + if (scale.round()) offset = Math.round(offset); return function(d) { - return scale(d) + width; + return scale(d) + offset; }; } @@ -8868,7 +8868,7 @@ var epsilon$2 = 1e-6; .attr("fill", "#000") .attr(x, k * spacing) .attr(y, 0.5) - .attr("dy", orient === top ? "0em" : orient === bottom ? ".71em" : ".32em")); + .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); if (context !== selection) { path = path.transition(context); @@ -11948,7 +11948,7 @@ var keyPrefix$1 = "$"; }; voronoi.size = function(_) { - return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0], extent[1][1]]; + return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0] - extent[0][0], extent[1][1] - extent[0][1]]; }; return voronoi; @@ -12060,13 +12060,9 @@ var keyPrefix$1 = "$"; duration = 250, gestures = [], listeners = dispatch("start", "zoom", "end"), - mousemoving, - mousePoint, - mouseLocation, touchstarting, touchending, touchDelay = 500, - wheelTimer, wheelDelay = 150; function zoom(selection) { @@ -12180,6 +12176,7 @@ var keyPrefix$1 = "$"; this.args = args; this.index = -1; this.active = 0; + this.extent = extent.apply(that, args); } Gesture.prototype = { @@ -12191,7 +12188,7 @@ var keyPrefix$1 = "$"; return this; }, zoom: function(key, transform) { - if (mousePoint && key !== "mouse") mouseLocation = transform.invert(mousePoint); + if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]); if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); this.that.__zoom = transform; @@ -12201,7 +12198,6 @@ var keyPrefix$1 = "$"; end: function() { if (--this.active === 0) { gestures.splice(this.index, 1); - mousePoint = mouseLocation = null; this.index = -1; this.emit("end"); } @@ -12216,16 +12212,16 @@ var keyPrefix$1 = "$"; if (!filter.apply(this, arguments)) return; var g = gesture(this, arguments), t = this.__zoom, - k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500))); + k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500))), + p = mouse(this); // If the mouse is in the same location as before, reuse it. // If there were recent wheel events, reset the wheel idle timeout. - if (wheelTimer) { - var point = mouse(this); - if (mousePoint[0] !== point[0] || mousePoint[1] !== point[1]) { - mouseLocation = t.invert(mousePoint = point); + if (g.wheel) { + if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) { + g.mouse[1] = t.invert(g.mouse[0] = p); } - clearTimeout(wheelTimer); + clearTimeout(g.wheel); } // If this wheel event won’t trigger a transform change, ignore it. @@ -12233,18 +12229,17 @@ var keyPrefix$1 = "$"; // Otherwise, capture the mouse point and location at the start. else { - g.extent = extent.apply(this, arguments); - mouseLocation = t.invert(mousePoint = mouse(this)); + g.mouse = [p, t.invert(p)]; interrupt(this); g.start(); } noevent$1(); - wheelTimer = setTimeout(wheelidled, wheelDelay); - g.zoom("mouse", constrain(translate(scale(t, k), mousePoint, mouseLocation), g.extent)); + g.wheel = setTimeout(wheelidled, wheelDelay); + g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent)); function wheelidled() { - wheelTimer = null; + g.wheel = null; g.end(); } } @@ -12252,25 +12247,24 @@ var keyPrefix$1 = "$"; function mousedowned() { if (touchending || !filter.apply(this, arguments)) return; var g = gesture(this, arguments), - v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true); + v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), + p = mouse(this); dragDisable(exports.event.view); nopropagation$1(); - mousemoving = false; - g.extent = extent.apply(this, arguments); - mouseLocation = this.__zoom.invert(mousePoint = mouse(this)); + g.mouse = [p, this.__zoom.invert(p)]; interrupt(this); g.start(); function mousemoved() { noevent$1(); - mousemoving = true; - g.zoom("mouse", constrain(translate(g.that.__zoom, mousePoint = mouse(g.that), mouseLocation), g.extent)); + g.moved = true; + g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent)); } function mouseupped() { v.on("mousemove.zoom mouseup.zoom", null); - dragEnable(exports.event.view, mousemoving); + dragEnable(exports.event.view, g.moved); noevent$1(); g.end(); } @@ -12309,7 +12303,6 @@ var keyPrefix$1 = "$"; if (exports.event.touches.length === n) { touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); interrupt(this); - g.extent = extent.apply(this, arguments); g.start(); } } @@ -13294,7 +13287,7 @@ var keyPrefix$1 = "$"; stream.polygonEnd(); } - function stream(object, stream) { + function geoStream(object, stream) { if (object && streamObjectType.hasOwnProperty(object.type)) { streamObjectType[object.type](object, stream); } else { @@ -13302,9 +13295,9 @@ var keyPrefix$1 = "$"; } } - var areaRingSum; + var areaRingSum = adder(); - var areaSum; + var areaSum = adder(); var lambda00; var phi00; var lambda0; @@ -13366,9 +13359,8 @@ var keyPrefix$1 = "$"; } function area$2(object) { - if (areaSum) areaSum.reset(); - else areaSum = adder(), areaRingSum = adder(); - stream(object, areaStream); + areaSum.reset(); + geoStream(object, areaStream); return areaSum * 2; } @@ -13412,7 +13404,7 @@ var lambda0$1; var lambda00$1; var phi00$1; var p0; - var deltaSum; + var deltaSum = adder(); var ranges; var range$1; var boundsStream = { @@ -13542,11 +13534,9 @@ var range$1; function bounds(feature) { var i, n, a, b, merged, deltaMax, delta; - if (deltaSum) deltaSum.reset(); - else deltaSum = adder(); phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); ranges = []; - stream(feature, boundsStream); + geoStream(feature, boundsStream); // First, sort ranges by their minimum longitudes. if (n = ranges.length) { @@ -13707,7 +13697,7 @@ var phi00$2; X0 = Y0 = Z0 = X1 = Y1 = Z1 = X2 = Y2 = Z2 = 0; - stream(object, centroidStream); + geoStream(object, centroidStream); var x = X2, y = Y2, @@ -14257,7 +14247,7 @@ var phi00$2; }; } - var lengthSum; + var lengthSum = adder(); var lambda0$2; var sinPhi0$1; var cosPhi0$1; @@ -14300,9 +14290,8 @@ var cosPhi0$1; } function length$2(object) { - if (lengthSum) lengthSum.reset(); - else lengthSum = adder(); - stream(object, lengthStream); + lengthSum.reset(); + geoStream(object, lengthStream); return +lengthSum; } @@ -14734,23 +14723,23 @@ var y0$3; function path(object) { if (object) { if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); - stream(object, projectionStream(contextStream)); + geoStream(object, projectionStream(contextStream)); } return contextStream.result(); } path.area = function(object) { - stream(object, projectionStream(areaStream$1)); + geoStream(object, projectionStream(areaStream$1)); return areaStream$1.result(); }; path.bounds = function(object) { - stream(object, projectionStream(boundsStream$1)); + geoStream(object, projectionStream(boundsStream$1)); return boundsStream$1.result(); }; path.centroid = function(object) { - stream(object, projectionStream(centroidStream$1)); + geoStream(object, projectionStream(centroidStream$1)); return centroidStream$1.result(); }; @@ -14783,6 +14772,8 @@ var y0$3; angle = 0, winding = 0; + sum$2.reset(); + for (var i = 0, n = polygon.length; i < n; ++i) { if (!(m = (ring = polygon[i]).length)) continue; var ring, @@ -14834,9 +14825,7 @@ var y0$3; // from the point to the South pole. If it is zero, then the point is the // same side as the South pole. - var contains = (angle < -epsilon$4 || angle < epsilon$4 && sum$2 < -epsilon$4) ^ (winding & 1); - sum$2.reset(); - return contains; + return (angle < -epsilon$4 || angle < epsilon$4 && sum$2 < -epsilon$4) ^ (winding & 1); } function clip(pointVisible, clipLine, interpolate, start) { @@ -15263,6 +15252,43 @@ var y0$3; polygonEnd: function() { this.stream.polygonEnd(); } }; + function fit(project, extent, object) { + var w = extent[1][0] - extent[0][0], + h = extent[1][1] - extent[0][1], + clip = project.clipExtent && project.clipExtent(); + + project + .scale(150) + .translate([0, 0]); + + if (clip != null) project.clipExtent(null); + + geoStream(object, project.stream(boundsStream$1)); + + var b = boundsStream$1.result(), + k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), + x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, + y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; + + if (clip != null) project.clipExtent(clip); + + return project + .scale(k * 150) + .translate([x, y]); + } + + function fitSize(project) { + return function(size, object) { + return fit(project, [[0, 0], size], object); + }; + } + + function fitExtent(project) { + return function(extent, object) { + return fit(project, extent, object); + }; + } + var maxDepth = 16; var cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) @@ -15431,6 +15457,10 @@ var y0$3; return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt$1(delta2); }; + projection.fitExtent = fitExtent(projection); + + projection.fitSize = fitSize(projection); + function recenter() { projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); var center = project(lambda, phi); @@ -15485,8 +15515,8 @@ var y0$3; function conicEqualArea() { return conicProjection(conicEqualAreaRaw) - .scale(151) - .translate([480, 347]); + .scale(155.424) + .center([0, 33.6442]); } function albers() { @@ -15513,8 +15543,9 @@ var y0$3; } // A composite projection for the United States, configured by default for - // 960×500. Also works quite well at 960×600 with scale 1285. The set of - // standard parallels for each region comes from USGS, which is published here: + // 960×500. The projection also works quite well at 960×600 if you change the + // scale to 1285 and adjust the translate accordingly. The set of standard + // parallels for each region comes from USGS, which is published here: // http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers function albersUsa() { var cache, @@ -15580,6 +15611,10 @@ var y0$3; return albersUsa; }; + albersUsa.fitExtent = fitExtent(albersUsa); + + albersUsa.fitSize = fitSize(albersUsa); + return albersUsa.scale(1070); } @@ -15618,7 +15653,7 @@ var y0$3; function azimuthalEqualArea() { return projection(azimuthalEqualAreaRaw) - .scale(120) + .scale(124.75) .clipAngle(180 - 1e-3); } @@ -15632,7 +15667,7 @@ var y0$3; function azimuthalEquidistant() { return projection(azimuthalEquidistantRaw) - .scale(480 / tau$4) + .scale(79.4188) .clipAngle(180 - 1e-3); } @@ -15645,7 +15680,8 @@ var y0$3; }; function mercator() { - return mercatorProjection(mercatorRaw); + return mercatorProjection(mercatorRaw) + .scale(961 / tau$4); } function mercatorProjection(project) { @@ -15666,14 +15702,15 @@ var y0$3; m.clipExtent = function(_) { if (!arguments.length) return clipAuto ? null : clipExtent(); if (clipAuto = _ == null) { - var k = pi$4 * scale(), t = translate(); + var k = pi$4 * scale(), + t = translate(); _ = [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]]; } clipExtent(_); return m; }; - return m.clipExtent(null).scale(961 / tau$4); + return m.clipExtent(null); } function tany(y) { @@ -15703,7 +15740,9 @@ var y0$3; } function conicConformal() { - return conicProjection(conicConformalRaw); + return conicProjection(conicConformalRaw) + .scale(109.5) + .parallels([30, 30]); } function equirectangularRaw(lambda, phi) { @@ -15713,7 +15752,8 @@ var y0$3; equirectangularRaw.invert = equirectangularRaw; function equirectangular() { - return projection(equirectangularRaw).scale(480 / pi$4); + return projection(equirectangularRaw) + .scale(152.63); } function conicEquidistantRaw(y0, y1) { @@ -15738,8 +15778,8 @@ var y0$3; function conicEquidistant() { return conicProjection(conicEquidistantRaw) - .scale(128) - .translate([480, 280]); + .scale(131.154) + .center([0, 13.9389]); } function gnomonicRaw(x, y) { @@ -15751,7 +15791,7 @@ var y0$3; function gnomonic() { return projection(gnomonicRaw) - .scale(139) + .scale(144.049) .clipAngle(60); } @@ -15763,7 +15803,7 @@ var y0$3; function orthographic() { return projection(orthographicRaw) - .scale(240) + .scale(249.5) .clipAngle(90 + epsilon$4); } @@ -15773,12 +15813,12 @@ var y0$3; } stereographicRaw.invert = azimuthalInvert(function(z) { - return 2 + atan(z); + return 2 * atan(z); }); function stereographic() { return projection(stereographicRaw) - .scale(240) + .scale(250) .clipAngle(142); } @@ -15803,7 +15843,8 @@ var y0$3; return arguments.length ? rotate([_[0], _[1], _.length > 2 ? _[2] + 90 : 90]) : (_ = rotate(), [_[0], _[1], _[2] - 90]); }; - return rotate([0, 0, 90]); + return rotate([0, 0, 90]) + .scale(159.155); } exports.version = version; @@ -16177,11 +16218,11 @@ var y0$3; exports.geoRotation = rotation; exports.geoStereographic = stereographic; exports.geoStereographicRaw = stereographicRaw; - exports.geoStream = stream; + exports.geoStream = geoStream; exports.geoTransform = transform$1; exports.geoTransverseMercator = transverseMercator; exports.geoTransverseMercatorRaw = transverseMercatorRaw; Object.defineProperty(exports, '__esModule', { value: true }); -})); \ No newline at end of file +}))); \ No newline at end of file diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index 46a2659..1a81e55 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.1.0. 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e=Math.sqrt(n/yv);t.moveTo(e,0),t.arc(0,0,e,0,mv)}},wv={draw:function(t,n){var e=Math.sqrt(n/5)/2;t.moveTo(-3*e,-e),t.lineTo(-e,-e),t.lineTo(-e,-3*e),t.lineTo(e,-3*e),t.lineTo(e,-e),t.lineTo(3*e,-e),t.lineTo(3*e,e),t.lineTo(e,e),t.lineTo(e,3*e),t.lineTo(-e,3*e),t.lineTo(-e,e),t.lineTo(-3*e,e),t.closePath()}},Mv=Math.sqrt(1/3),Tv=2*Mv,kv={draw:function(t,n){var e=Math.sqrt(n/Tv),r=e*Mv;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},Nv=.8908130915292852,Sv=Math.sin(yv/10)/Math.sin(7*yv/10),Av=Math.sin(mv/10)*Sv,Ev=-Math.cos(mv/10)*Sv,Cv={draw:function(t,n){var e=Math.sqrt(n*Nv),r=Av*e,i=Ev*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var u=mv*o/5,a=Math.cos(u),c=Math.sin(u);t.lineTo(c*e,-a*e),t.lineTo(a*r-c*i,c*r+a*i)}t.closePath()}},zv={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},Pv=Math.sqrt(3),qv={draw:function(t,n){var e=-Math.sqrt(n/(3*Pv));t.moveTo(0,2*e),t.lineTo(-Pv*e,-e),t.lineTo(Pv*e,-e),t.closePath()}},Lv=-.5,Rv=Math.sqrt(3)/2,Uv=1/Math.sqrt(12),Dv=3*(Uv/2+1),Ov={draw:function(t,n){var e=Math.sqrt(n/Dv),r=e/2,i=e*Uv,o=r,u=e*Uv+e,a=-o,c=u;t.moveTo(r,i),t.lineTo(o,u),t.lineTo(a,c),t.lineTo(Lv*r-Rv*i,Rv*r+Lv*i),t.lineTo(Lv*o-Rv*u,Rv*o+Lv*u),t.lineTo(Lv*a-Rv*c,Rv*a+Lv*c),t.lineTo(Lv*r+Rv*i,Lv*i-Rv*r),t.lineTo(Lv*o+Rv*u,Lv*u-Rv*o),t.lineTo(Lv*a+Rv*c,Lv*c-Rv*a),t.closePath()}},Fv=[bv,wv,kv,zv,Cv,qv,Ov];Sn.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Nn(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Nn(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},En.prototype={areaStart:kn,areaEnd:kn,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Nn(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},zn.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Nn(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},qn.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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\ No newline at end of file diff --git a/app/assets/javascripts/d3.v4.js b/app/assets/javascripts/d3.v4.js index cbba731..58e6efb 100644 --- a/app/assets/javascripts/d3.v4.js +++ b/app/assets/javascripts/d3.v4.js @@ -1,11 +1,11 @@ -// https://d3js.org Version 4.1.0. Copyright 2016 Mike Bostock. +// https://d3js.org Version 4.2.2. Copyright 2016 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); -}(this, function (exports) { 'use strict'; +}(this, (function (exports) { 'use strict'; - var version = "4.1.0"; + var version = "4.2.2"; function ascending(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -4808,15 +4808,15 @@ var tau$1 = 2 * pi$1; // If callback is non-null, it will be used for error and load events. send: function(method, data, callback) { - if (!callback && typeof data === "function") callback = data, data = null; - if (callback && callback.length === 1) callback = fixCallback(callback); xhr.open(method, url, true, user, password); if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*"); if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); }); if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType); if (responseType != null) xhr.responseType = responseType; if (timeout > 0) xhr.timeout = timeout; - if (callback) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); }); + if (callback == null && typeof data === "function") callback = data, data = null; + if (callback != null && callback.length === 1) callback = fixCallback(callback); + if (callback != null) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); }); event.call("beforesend", request, xhr); xhr.send(data == null ? null : data); return request; @@ -4833,9 +4833,12 @@ var tau$1 = 2 * pi$1; } }; - return callback - ? request.get(callback) - : request; + if (callback != null) { + if (typeof callback !== "function") throw new Error("invalid callback: " + callback); + return request.get(callback); + } + + return request; } function fixCallback(callback) { @@ -4854,7 +4857,11 @@ var tau$1 = 2 * pi$1; function type(defaultMimeType, response) { return function(url, callback) { var r = request(url).mimeType(defaultMimeType).response(response); - return callback ? r.get(callback) : r; + if (callback != null) { + if (typeof callback !== "function") throw new Error("invalid callback: " + callback); + return r.get(callback); + } + return r; }; } @@ -5620,9 +5627,6 @@ var t1$1 = new Date; } var locale; - exports.format; - exports.formatPrefix; - defaultLocale({ decimal: ".", thousands: ",", @@ -6178,11 +6182,6 @@ var t1$1 = new Date; } var locale$1; - exports.timeFormat; - exports.timeParse; - exports.utcFormat; - exports.utcParse; - defaultLocale$1({ dateTime: "%x, %X", date: "%-m/%-d/%Y", @@ -8815,9 +8814,10 @@ var epsilon$2 = 1e-6; } function center(scale) { - var width = scale.bandwidth() / 2; + var offset = scale.bandwidth() / 2; + if (scale.round()) offset = Math.round(offset); return function(d) { - return scale(d) + width; + return scale(d) + offset; }; } @@ -8868,7 +8868,7 @@ var epsilon$2 = 1e-6; .attr("fill", "#000") .attr(x, k * spacing) .attr(y, 0.5) - .attr("dy", orient === top ? "0em" : orient === bottom ? ".71em" : ".32em")); + .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); if (context !== selection) { path = path.transition(context); @@ -11948,7 +11948,7 @@ var keyPrefix$1 = "$"; }; voronoi.size = function(_) { - return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0], extent[1][1]]; + return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0] - extent[0][0], extent[1][1] - extent[0][1]]; }; return voronoi; @@ -12060,13 +12060,9 @@ var keyPrefix$1 = "$"; duration = 250, gestures = [], listeners = dispatch("start", "zoom", "end"), - mousemoving, - mousePoint, - mouseLocation, touchstarting, touchending, touchDelay = 500, - wheelTimer, wheelDelay = 150; function zoom(selection) { @@ -12180,6 +12176,7 @@ var keyPrefix$1 = "$"; this.args = args; this.index = -1; this.active = 0; + this.extent = extent.apply(that, args); } Gesture.prototype = { @@ -12191,7 +12188,7 @@ var keyPrefix$1 = "$"; return this; }, zoom: function(key, transform) { - if (mousePoint && key !== "mouse") mouseLocation = transform.invert(mousePoint); + if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]); if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); this.that.__zoom = transform; @@ -12201,7 +12198,6 @@ var keyPrefix$1 = "$"; end: function() { if (--this.active === 0) { gestures.splice(this.index, 1); - mousePoint = mouseLocation = null; this.index = -1; this.emit("end"); } @@ -12216,16 +12212,16 @@ var keyPrefix$1 = "$"; if (!filter.apply(this, arguments)) return; var g = gesture(this, arguments), t = this.__zoom, - k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500))); + k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500))), + p = mouse(this); // If the mouse is in the same location as before, reuse it. // If there were recent wheel events, reset the wheel idle timeout. - if (wheelTimer) { - var point = mouse(this); - if (mousePoint[0] !== point[0] || mousePoint[1] !== point[1]) { - mouseLocation = t.invert(mousePoint = point); + if (g.wheel) { + if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) { + g.mouse[1] = t.invert(g.mouse[0] = p); } - clearTimeout(wheelTimer); + clearTimeout(g.wheel); } // If this wheel event won’t trigger a transform change, ignore it. @@ -12233,18 +12229,17 @@ var keyPrefix$1 = "$"; // Otherwise, capture the mouse point and location at the start. else { - g.extent = extent.apply(this, arguments); - mouseLocation = t.invert(mousePoint = mouse(this)); + g.mouse = [p, t.invert(p)]; interrupt(this); g.start(); } noevent$1(); - wheelTimer = setTimeout(wheelidled, wheelDelay); - g.zoom("mouse", constrain(translate(scale(t, k), mousePoint, mouseLocation), g.extent)); + g.wheel = setTimeout(wheelidled, wheelDelay); + g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent)); function wheelidled() { - wheelTimer = null; + g.wheel = null; g.end(); } } @@ -12252,25 +12247,24 @@ var keyPrefix$1 = "$"; function mousedowned() { if (touchending || !filter.apply(this, arguments)) return; var g = gesture(this, arguments), - v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true); + v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), + p = mouse(this); dragDisable(exports.event.view); nopropagation$1(); - mousemoving = false; - g.extent = extent.apply(this, arguments); - mouseLocation = this.__zoom.invert(mousePoint = mouse(this)); + g.mouse = [p, this.__zoom.invert(p)]; interrupt(this); g.start(); function mousemoved() { noevent$1(); - mousemoving = true; - g.zoom("mouse", constrain(translate(g.that.__zoom, mousePoint = mouse(g.that), mouseLocation), g.extent)); + g.moved = true; + g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent)); } function mouseupped() { v.on("mousemove.zoom mouseup.zoom", null); - dragEnable(exports.event.view, mousemoving); + dragEnable(exports.event.view, g.moved); noevent$1(); g.end(); } @@ -12309,7 +12303,6 @@ var keyPrefix$1 = "$"; if (exports.event.touches.length === n) { touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); interrupt(this); - g.extent = extent.apply(this, arguments); g.start(); } } @@ -13294,7 +13287,7 @@ var keyPrefix$1 = "$"; stream.polygonEnd(); } - function stream(object, stream) { + function geoStream(object, stream) { if (object && streamObjectType.hasOwnProperty(object.type)) { streamObjectType[object.type](object, stream); } else { @@ -13302,9 +13295,9 @@ var keyPrefix$1 = "$"; } } - var areaRingSum; + var areaRingSum = adder(); - var areaSum; + var areaSum = adder(); var lambda00; var phi00; var lambda0; @@ -13366,9 +13359,8 @@ var keyPrefix$1 = "$"; } function area$2(object) { - if (areaSum) areaSum.reset(); - else areaSum = adder(), areaRingSum = adder(); - stream(object, areaStream); + areaSum.reset(); + geoStream(object, areaStream); return areaSum * 2; } @@ -13412,7 +13404,7 @@ var lambda0$1; var lambda00$1; var phi00$1; var p0; - var deltaSum; + var deltaSum = adder(); var ranges; var range$1; var boundsStream = { @@ -13542,11 +13534,9 @@ var range$1; function bounds(feature) { var i, n, a, b, merged, deltaMax, delta; - if (deltaSum) deltaSum.reset(); - else deltaSum = adder(); phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); ranges = []; - stream(feature, boundsStream); + geoStream(feature, boundsStream); // First, sort ranges by their minimum longitudes. if (n = ranges.length) { @@ -13707,7 +13697,7 @@ var phi00$2; X0 = Y0 = Z0 = X1 = Y1 = Z1 = X2 = Y2 = Z2 = 0; - stream(object, centroidStream); + geoStream(object, centroidStream); var x = X2, y = Y2, @@ -14257,7 +14247,7 @@ var phi00$2; }; } - var lengthSum; + var lengthSum = adder(); var lambda0$2; var sinPhi0$1; var cosPhi0$1; @@ -14300,9 +14290,8 @@ var cosPhi0$1; } function length$2(object) { - if (lengthSum) lengthSum.reset(); - else lengthSum = adder(); - stream(object, lengthStream); + lengthSum.reset(); + geoStream(object, lengthStream); return +lengthSum; } @@ -14734,23 +14723,23 @@ var y0$3; function path(object) { if (object) { if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); - stream(object, projectionStream(contextStream)); + geoStream(object, projectionStream(contextStream)); } return contextStream.result(); } path.area = function(object) { - stream(object, projectionStream(areaStream$1)); + geoStream(object, projectionStream(areaStream$1)); return areaStream$1.result(); }; path.bounds = function(object) { - stream(object, projectionStream(boundsStream$1)); + geoStream(object, projectionStream(boundsStream$1)); return boundsStream$1.result(); }; path.centroid = function(object) { - stream(object, projectionStream(centroidStream$1)); + geoStream(object, projectionStream(centroidStream$1)); return centroidStream$1.result(); }; @@ -14783,6 +14772,8 @@ var y0$3; angle = 0, winding = 0; + sum$2.reset(); + for (var i = 0, n = polygon.length; i < n; ++i) { if (!(m = (ring = polygon[i]).length)) continue; var ring, @@ -14834,9 +14825,7 @@ var y0$3; // from the point to the South pole. If it is zero, then the point is the // same side as the South pole. - var contains = (angle < -epsilon$4 || angle < epsilon$4 && sum$2 < -epsilon$4) ^ (winding & 1); - sum$2.reset(); - return contains; + return (angle < -epsilon$4 || angle < epsilon$4 && sum$2 < -epsilon$4) ^ (winding & 1); } function clip(pointVisible, clipLine, interpolate, start) { @@ -15263,6 +15252,43 @@ var y0$3; polygonEnd: function() { this.stream.polygonEnd(); } }; + function fit(project, extent, object) { + var w = extent[1][0] - extent[0][0], + h = extent[1][1] - extent[0][1], + clip = project.clipExtent && project.clipExtent(); + + project + .scale(150) + .translate([0, 0]); + + if (clip != null) project.clipExtent(null); + + geoStream(object, project.stream(boundsStream$1)); + + var b = boundsStream$1.result(), + k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), + x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, + y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; + + if (clip != null) project.clipExtent(clip); + + return project + .scale(k * 150) + .translate([x, y]); + } + + function fitSize(project) { + return function(size, object) { + return fit(project, [[0, 0], size], object); + }; + } + + function fitExtent(project) { + return function(extent, object) { + return fit(project, extent, object); + }; + } + var maxDepth = 16; var cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) @@ -15431,6 +15457,10 @@ var y0$3; return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt$1(delta2); }; + projection.fitExtent = fitExtent(projection); + + projection.fitSize = fitSize(projection); + function recenter() { projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); var center = project(lambda, phi); @@ -15485,8 +15515,8 @@ var y0$3; function conicEqualArea() { return conicProjection(conicEqualAreaRaw) - .scale(151) - .translate([480, 347]); + .scale(155.424) + .center([0, 33.6442]); } function albers() { @@ -15513,8 +15543,9 @@ var y0$3; } // A composite projection for the United States, configured by default for - // 960×500. Also works quite well at 960×600 with scale 1285. The set of - // standard parallels for each region comes from USGS, which is published here: + // 960×500. The projection also works quite well at 960×600 if you change the + // scale to 1285 and adjust the translate accordingly. The set of standard + // parallels for each region comes from USGS, which is published here: // http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers function albersUsa() { var cache, @@ -15580,6 +15611,10 @@ var y0$3; return albersUsa; }; + albersUsa.fitExtent = fitExtent(albersUsa); + + albersUsa.fitSize = fitSize(albersUsa); + return albersUsa.scale(1070); } @@ -15618,7 +15653,7 @@ var y0$3; function azimuthalEqualArea() { return projection(azimuthalEqualAreaRaw) - .scale(120) + .scale(124.75) .clipAngle(180 - 1e-3); } @@ -15632,7 +15667,7 @@ var y0$3; function azimuthalEquidistant() { return projection(azimuthalEquidistantRaw) - .scale(480 / tau$4) + .scale(79.4188) .clipAngle(180 - 1e-3); } @@ -15645,7 +15680,8 @@ var y0$3; }; function mercator() { - return mercatorProjection(mercatorRaw); + return mercatorProjection(mercatorRaw) + .scale(961 / tau$4); } function mercatorProjection(project) { @@ -15666,14 +15702,15 @@ var y0$3; m.clipExtent = function(_) { if (!arguments.length) return clipAuto ? null : clipExtent(); if (clipAuto = _ == null) { - var k = pi$4 * scale(), t = translate(); + var k = pi$4 * scale(), + t = translate(); _ = [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]]; } clipExtent(_); return m; }; - return m.clipExtent(null).scale(961 / tau$4); + return m.clipExtent(null); } function tany(y) { @@ -15703,7 +15740,9 @@ var y0$3; } function conicConformal() { - return conicProjection(conicConformalRaw); + return conicProjection(conicConformalRaw) + .scale(109.5) + .parallels([30, 30]); } function equirectangularRaw(lambda, phi) { @@ -15713,7 +15752,8 @@ var y0$3; equirectangularRaw.invert = equirectangularRaw; function equirectangular() { - return projection(equirectangularRaw).scale(480 / pi$4); + return projection(equirectangularRaw) + .scale(152.63); } function conicEquidistantRaw(y0, y1) { @@ -15738,8 +15778,8 @@ var y0$3; function conicEquidistant() { return conicProjection(conicEquidistantRaw) - .scale(128) - .translate([480, 280]); + .scale(131.154) + .center([0, 13.9389]); } function gnomonicRaw(x, y) { @@ -15751,7 +15791,7 @@ var y0$3; function gnomonic() { return projection(gnomonicRaw) - .scale(139) + .scale(144.049) .clipAngle(60); } @@ -15763,7 +15803,7 @@ var y0$3; function orthographic() { return projection(orthographicRaw) - .scale(240) + .scale(249.5) .clipAngle(90 + epsilon$4); } @@ -15773,12 +15813,12 @@ var y0$3; } stereographicRaw.invert = azimuthalInvert(function(z) { - return 2 + atan(z); + return 2 * atan(z); }); function stereographic() { return projection(stereographicRaw) - .scale(240) + .scale(250) .clipAngle(142); } @@ -15803,7 +15843,8 @@ var y0$3; return arguments.length ? rotate([_[0], _[1], _.length > 2 ? _[2] + 90 : 90]) : (_ = rotate(), [_[0], _[1], _[2] - 90]); }; - return rotate([0, 0, 90]); + return rotate([0, 0, 90]) + .scale(159.155); } exports.version = version; @@ -16177,11 +16218,11 @@ var y0$3; exports.geoRotation = rotation; exports.geoStereographic = stereographic; exports.geoStereographicRaw = stereographicRaw; - exports.geoStream = stream; + exports.geoStream = geoStream; exports.geoTransform = transform$1; exports.geoTransverseMercator = transverseMercator; exports.geoTransverseMercatorRaw = transverseMercatorRaw; Object.defineProperty(exports, '__esModule', { value: true }); -})); \ No newline at end of file +}))); \ No newline at end of file diff --git a/app/assets/javascripts/d3.v4.min.js b/app/assets/javascripts/d3.v4.min.js index 46a2659..1a81e55 100644 --- a/app/assets/javascripts/d3.v4.min.js +++ b/app/assets/javascripts/d3.v4.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.1.0. 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e=Math.sqrt(n/yv);t.moveTo(e,0),t.arc(0,0,e,0,mv)}},wv={draw:function(t,n){var e=Math.sqrt(n/5)/2;t.moveTo(-3*e,-e),t.lineTo(-e,-e),t.lineTo(-e,-3*e),t.lineTo(e,-3*e),t.lineTo(e,-e),t.lineTo(3*e,-e),t.lineTo(3*e,e),t.lineTo(e,e),t.lineTo(e,3*e),t.lineTo(-e,3*e),t.lineTo(-e,e),t.lineTo(-3*e,e),t.closePath()}},Mv=Math.sqrt(1/3),Tv=2*Mv,kv={draw:function(t,n){var e=Math.sqrt(n/Tv),r=e*Mv;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},Nv=.8908130915292852,Sv=Math.sin(yv/10)/Math.sin(7*yv/10),Av=Math.sin(mv/10)*Sv,Ev=-Math.cos(mv/10)*Sv,Cv={draw:function(t,n){var e=Math.sqrt(n*Nv),r=Av*e,i=Ev*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var u=mv*o/5,a=Math.cos(u),c=Math.sin(u);t.lineTo(c*e,-a*e),t.lineTo(a*r-c*i,c*r+a*i)}t.closePath()}},zv={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},Pv=Math.sqrt(3),qv={draw:function(t,n){var e=-Math.sqrt(n/(3*Pv));t.moveTo(0,2*e),t.lineTo(-Pv*e,-e),t.lineTo(Pv*e,-e),t.closePath()}},Lv=-.5,Rv=Math.sqrt(3)/2,Uv=1/Math.sqrt(12),Dv=3*(Uv/2+1),Ov={draw:function(t,n){var e=Math.sqrt(n/Dv),r=e/2,i=e*Uv,o=r,u=e*Uv+e,a=-o,c=u;t.moveTo(r,i),t.lineTo(o,u),t.lineTo(a,c),t.lineTo(Lv*r-Rv*i,Rv*r+Lv*i),t.lineTo(Lv*o-Rv*u,Rv*o+Lv*u),t.lineTo(Lv*a-Rv*c,Rv*a+Lv*c),t.lineTo(Lv*r+Rv*i,Lv*i-Rv*r),t.lineTo(Lv*o+Rv*u,Lv*u-Rv*o),t.lineTo(Lv*a+Rv*c,Lv*c-Rv*a),t.closePath()}},Fv=[bv,wv,kv,zv,Cv,qv,Ov];Sn.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Nn(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Nn(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},En.prototype={areaStart:kn,areaEnd:kn,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Nn(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},zn.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Nn(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},qn.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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\ No newline at end of file diff --git a/lib/d3/rails/version.rb b/lib/d3/rails/version.rb index fcf87a6..88c4ba2 100644 --- a/lib/d3/rails/version.rb +++ b/lib/d3/rails/version.rb @@ -1,5 +1,5 @@ module D3 module Rails - VERSION = "4.1.0" + VERSION = "4.2.2" end end From 8fdb7e239fbd55e4a35f2ce0814f16f8ec9beb72 Mon Sep 17 00:00:00 2001 From: Stuart Swindells Date: Tue, 20 Sep 2016 08:47:24 +0000 Subject: [PATCH 07/42] s/4.2.2/4.2.4/ --- CHANGELOG.md | 3 +++ README.md | 2 +- lib/d3/rails/version.rb | 2 +- 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 952a395..7a3d933 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## 4.2.4 (20 September 2016) +* Upgrade D3 to 4.2.4 + ## 4.2.2 (16 August 2016) * Upgrade D3 to 4.2.2 diff --git a/README.md b/README.md index 5ec4a75..94d4fde 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 4.2.2 of D3.js. The d3-rails version will +d3-rails comes with version 4.2.4 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/lib/d3/rails/version.rb b/lib/d3/rails/version.rb index 88c4ba2..dc20acd 100644 --- a/lib/d3/rails/version.rb +++ b/lib/d3/rails/version.rb @@ -1,5 +1,5 @@ module D3 module Rails - VERSION = "4.2.2" + VERSION = "4.2.4" end end From bb6c5de4ade2c5651561503b585549080e3a55e3 Mon Sep 17 00:00:00 2001 From: Stuart Swindells Date: Tue, 20 Sep 2016 08:47:38 +0000 Subject: [PATCH 08/42] Update to d3 v4.2.4 --- app/assets/javascripts/d3.js | 29173 +++++++++++++------------- app/assets/javascripts/d3.min.js | 16 +- app/assets/javascripts/d3.v4.js | 29173 +++++++++++++------------- app/assets/javascripts/d3.v4.min.js | 16 +- 4 files changed, 29240 insertions(+), 29138 deletions(-) diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index 58e6efb..52839d9 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,16228 +1,16279 @@ -// https://d3js.org Version 4.2.2. Copyright 2016 Mike Bostock. +// https://d3js.org Version 4.2.4. Copyright 2016 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; - var version = "4.2.2"; - - function ascending(a, b) { - return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; - } - - function bisector(compare) { - if (compare.length === 1) compare = ascendingComparator(compare); - return { - left: function(a, x, lo, hi) { - if (lo == null) lo = 0; - if (hi == null) hi = a.length; - while (lo < hi) { - var mid = lo + hi >>> 1; - if (compare(a[mid], x) < 0) lo = mid + 1; - else hi = mid; - } - return lo; - }, - right: function(a, x, lo, hi) { - if (lo == null) lo = 0; - if (hi == null) hi = a.length; - while (lo < hi) { - var mid = lo + hi >>> 1; - if (compare(a[mid], x) > 0) hi = mid; - else lo = mid + 1; - } - return lo; +var version = "4.2.4"; + +var ascending = function(a, b) { + return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; +} + +var bisector = function(compare) { + if (compare.length === 1) compare = ascendingComparator(compare); + return { + left: function(a, x, lo, hi) { + if (lo == null) lo = 0; + if (hi == null) hi = a.length; + while (lo < hi) { + var mid = lo + hi >>> 1; + if (compare(a[mid], x) < 0) lo = mid + 1; + else hi = mid; } - }; - } - - function ascendingComparator(f) { - return function(d, x) { - return ascending(f(d), x); - }; - } - - var ascendingBisect = bisector(ascending); - var bisectRight = ascendingBisect.right; - var bisectLeft = ascendingBisect.left; - - function descending(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; - } - - function number(x) { - return x === null ? NaN : +x; - } - - function variance(array, f) { - var n = array.length, - m = 0, - a, - d, - s = 0, - i = -1, - j = 0; - - if (f == null) { - while (++i < n) { - if (!isNaN(a = number(array[i]))) { - d = a - m; - m += d / ++j; - s += d * (a - m); - } + return lo; + }, + right: function(a, x, lo, hi) { + if (lo == null) lo = 0; + if (hi == null) hi = a.length; + while (lo < hi) { + var mid = lo + hi >>> 1; + if (compare(a[mid], x) > 0) hi = mid; + else lo = mid + 1; } + return lo; } + }; +} - else { - while (++i < n) { - if (!isNaN(a = number(f(array[i], i, array)))) { - d = a - m; - m += d / ++j; - s += d * (a - m); - } +function ascendingComparator(f) { + return function(d, x) { + return ascending(f(d), x); + }; +} + +var ascendingBisect = bisector(ascending); +var bisectRight = ascendingBisect.right; +var bisectLeft = ascendingBisect.left; + +var descending = function(a, b) { + return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; +} + +var number = function(x) { + return x === null ? NaN : +x; +} + +var variance = function(array, f) { + var n = array.length, + m = 0, + a, + d, + s = 0, + i = -1, + j = 0; + + if (f == null) { + while (++i < n) { + if (!isNaN(a = number(array[i]))) { + d = a - m; + m += d / ++j; + s += d * (a - m); } } - - if (j > 1) return s / (j - 1); } - function deviation(array, f) { - var v = variance(array, f); - return v ? Math.sqrt(v) : v; + else { + while (++i < n) { + if (!isNaN(a = number(f(array[i], i, array)))) { + d = a - m; + m += d / ++j; + s += d * (a - m); + } + } } - function extent(array, f) { - var i = -1, - n = array.length, - a, - b, - c; + if (j > 1) return s / (j - 1); +} - if (f == null) { - while (++i < n) if ((b = array[i]) != null && b >= b) { a = c = b; break; } - while (++i < n) if ((b = array[i]) != null) { - if (a > b) a = b; - if (c < b) c = b; - } - } +var deviation = function(array, f) { + var v = variance(array, f); + return v ? Math.sqrt(v) : v; +} - else { - while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = c = b; break; } - while (++i < n) if ((b = f(array[i], i, array)) != null) { - if (a > b) a = b; - if (c < b) c = b; - } +var extent = function(array, f) { + var i = -1, + n = array.length, + a, + b, + c; + + if (f == null) { + while (++i < n) if ((b = array[i]) != null && b >= b) { a = c = b; break; } + while (++i < n) if ((b = array[i]) != null) { + if (a > b) a = b; + if (c < b) c = b; } + } - return [a, c]; + else { + while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = c = b; break; } + while (++i < n) if ((b = f(array[i], i, array)) != null) { + if (a > b) a = b; + if (c < b) c = b; + } } - var array = Array.prototype; + return [a, c]; +} - var slice = array.slice; - var map = array.map; +var array = Array.prototype; - function constant(x) { - return function() { - return x; - }; - } +var slice = array.slice; +var map = array.map; - function identity(x) { +var constant$1 = function(x) { + return function() { return x; - } - - function range(start, stop, step) { - start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; - - var i = -1, - n = Math.max(0, Math.ceil((stop - start) / step)) | 0, - range = new Array(n); + }; +} - while (++i < n) { - range[i] = start + i * step; - } +var identity = function(x) { + return x; +} - return range; - } +var range = function(start, stop, step) { + start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; - var e10 = Math.sqrt(50); - var e5 = Math.sqrt(10); - var e2 = Math.sqrt(2); - function ticks(start, stop, count) { - var step = tickStep(start, stop, count); - return range( - Math.ceil(start / step) * step, - Math.floor(stop / step) * step + step / 2, // inclusive - step - ); - } + var i = -1, + n = Math.max(0, Math.ceil((stop - start) / step)) | 0, + range = new Array(n); - function tickStep(start, stop, count) { - var step0 = Math.abs(stop - start) / Math.max(0, count), - step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)), - error = step0 / step1; - if (error >= e10) step1 *= 10; - else if (error >= e5) step1 *= 5; - else if (error >= e2) step1 *= 2; - return stop < start ? -step1 : step1; + while (++i < n) { + range[i] = start + i * step; } - function sturges(values) { - return Math.ceil(Math.log(values.length) / Math.LN2) + 1; - } + return range; +} - function histogram() { - var value = identity, - domain = extent, - threshold = sturges; +var e10 = Math.sqrt(50); +var e5 = Math.sqrt(10); +var e2 = Math.sqrt(2); - function histogram(data) { - var i, - n = data.length, - x, - values = new Array(n); +var ticks = function(start, stop, count) { + var step = tickStep(start, stop, count); + return range( + Math.ceil(start / step) * step, + Math.floor(stop / step) * step + step / 2, // inclusive + step + ); +} + +function tickStep(start, stop, count) { + var step0 = Math.abs(stop - start) / Math.max(0, count), + step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)), + error = step0 / step1; + if (error >= e10) step1 *= 10; + else if (error >= e5) step1 *= 5; + else if (error >= e2) step1 *= 2; + return stop < start ? -step1 : step1; +} + +var sturges = function(values) { + return Math.ceil(Math.log(values.length) / Math.LN2) + 1; +} + +var histogram = function() { + var value = identity, + domain = extent, + threshold = sturges; + + function histogram(data) { + var i, + n = data.length, + x, + values = new Array(n); - for (i = 0; i < n; ++i) { - values[i] = value(data[i], i, data); - } + for (i = 0; i < n; ++i) { + values[i] = value(data[i], i, data); + } - var xz = domain(values), - x0 = xz[0], - x1 = xz[1], - tz = threshold(values, x0, x1); + var xz = domain(values), + x0 = xz[0], + x1 = xz[1], + tz = threshold(values, x0, x1); - // Convert number of thresholds into uniform thresholds. - if (!Array.isArray(tz)) tz = ticks(x0, x1, tz); + // Convert number of thresholds into uniform thresholds. + if (!Array.isArray(tz)) tz = ticks(x0, x1, tz); - // Remove any thresholds outside the domain. - var m = tz.length; - while (tz[0] <= x0) tz.shift(), --m; - while (tz[m - 1] >= x1) tz.pop(), --m; + // Remove any thresholds outside the domain. + var m = tz.length; + while (tz[0] <= x0) tz.shift(), --m; + while (tz[m - 1] >= x1) tz.pop(), --m; - var bins = new Array(m + 1), - bin; + var bins = new Array(m + 1), + bin; - // Initialize bins. - for (i = 0; i <= m; ++i) { - bin = bins[i] = []; - bin.x0 = i > 0 ? tz[i - 1] : x0; - bin.x1 = i < m ? tz[i] : x1; - } + // Initialize bins. + for (i = 0; i <= m; ++i) { + bin = bins[i] = []; + bin.x0 = i > 0 ? tz[i - 1] : x0; + bin.x1 = i < m ? tz[i] : x1; + } - // Assign data to bins by value, ignoring any outside the domain. - for (i = 0; i < n; ++i) { - x = values[i]; - if (x0 <= x && x <= x1) { - bins[bisectRight(tz, x, 0, m)].push(data[i]); - } + // Assign data to bins by value, ignoring any outside the domain. + for (i = 0; i < n; ++i) { + x = values[i]; + if (x0 <= x && x <= x1) { + bins[bisectRight(tz, x, 0, m)].push(data[i]); } - - return bins; } - histogram.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant(_), histogram) : value; - }; + return bins; + } - histogram.domain = function(_) { - return arguments.length ? (domain = typeof _ === "function" ? _ : constant([_[0], _[1]]), histogram) : domain; - }; + histogram.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant$1(_), histogram) : value; + }; - histogram.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), histogram) : threshold; - }; + histogram.domain = function(_) { + return arguments.length ? (domain = typeof _ === "function" ? _ : constant$1([_[0], _[1]]), histogram) : domain; + }; - return histogram; - } + histogram.thresholds = function(_) { + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$1(slice.call(_)) : constant$1(_), histogram) : threshold; + }; - function threshold(array, p, f) { - if (f == null) f = number; - if (!(n = array.length)) return; - if ((p = +p) <= 0 || n < 2) return +f(array[0], 0, array); - if (p >= 1) return +f(array[n - 1], n - 1, array); - var n, - h = (n - 1) * p, - i = Math.floor(h), - a = +f(array[i], i, array), - b = +f(array[i + 1], i + 1, array); - return a + (b - a) * (h - i); - } + return histogram; +} - function freedmanDiaconis(values, min, max) { - values = map.call(values, number).sort(ascending); - return Math.ceil((max - min) / (2 * (threshold(values, 0.75) - threshold(values, 0.25)) * Math.pow(values.length, -1 / 3))); - } +var threshold = function(array, p, f) { + if (f == null) f = number; + if (!(n = array.length)) return; + if ((p = +p) <= 0 || n < 2) return +f(array[0], 0, array); + if (p >= 1) return +f(array[n - 1], n - 1, array); + var n, + h = (n - 1) * p, + i = Math.floor(h), + a = +f(array[i], i, array), + b = +f(array[i + 1], i + 1, array); + return a + (b - a) * (h - i); +} - function scott(values, min, max) { - return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3))); - } +var freedmanDiaconis = function(values, min, max) { + values = map.call(values, number).sort(ascending); + return Math.ceil((max - min) / (2 * (threshold(values, 0.75) - threshold(values, 0.25)) * Math.pow(values.length, -1 / 3))); +} - function max(array, f) { - var i = -1, - n = array.length, - a, - b; +var scott = function(values, min, max) { + return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3))); +} - if (f == null) { - while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = array[i]) != null && b > a) a = b; - } +var max = function(array, f) { + var i = -1, + n = array.length, + a, + b; - else { - while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = f(array[i], i, array)) != null && b > a) a = b; - } + if (f == null) { + while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } + while (++i < n) if ((b = array[i]) != null && b > a) a = b; + } - return a; + else { + while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } + while (++i < n) if ((b = f(array[i], i, array)) != null && b > a) a = b; } - function mean(array, f) { - var s = 0, - n = array.length, - a, - i = -1, - j = n; + return a; +} - if (f == null) { - while (++i < n) if (!isNaN(a = number(array[i]))) s += a; else --j; - } +var mean = function(array, f) { + var s = 0, + n = array.length, + a, + i = -1, + j = n; - else { - while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) s += a; else --j; - } + if (f == null) { + while (++i < n) if (!isNaN(a = number(array[i]))) s += a; else --j; + } - if (j) return s / j; + else { + while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) s += a; else --j; } - function median(array, f) { - var numbers = [], - n = array.length, - a, - i = -1; + if (j) return s / j; +} - if (f == null) { - while (++i < n) if (!isNaN(a = number(array[i]))) numbers.push(a); - } +var median = function(array, f) { + var numbers = [], + n = array.length, + a, + i = -1; - else { - while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) numbers.push(a); - } + if (f == null) { + while (++i < n) if (!isNaN(a = number(array[i]))) numbers.push(a); + } - return threshold(numbers.sort(ascending), 0.5); + else { + while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) numbers.push(a); } - function merge(arrays) { - var n = arrays.length, - m, - i = -1, - j = 0, - merged, - array; + return threshold(numbers.sort(ascending), 0.5); +} - while (++i < n) j += arrays[i].length; - merged = new Array(j); +var merge = function(arrays) { + var n = arrays.length, + m, + i = -1, + j = 0, + merged, + array; - while (--n >= 0) { - array = arrays[n]; - m = array.length; - while (--m >= 0) { - merged[--j] = array[m]; - } - } + while (++i < n) j += arrays[i].length; + merged = new Array(j); - return merged; + while (--n >= 0) { + array = arrays[n]; + m = array.length; + while (--m >= 0) { + merged[--j] = array[m]; + } } - function min(array, f) { - var i = -1, - n = array.length, - a, - b; - - if (f == null) { - while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = array[i]) != null && a > b) a = b; - } + return merged; +} - else { - while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = f(array[i], i, array)) != null && a > b) a = b; - } +var min = function(array, f) { + var i = -1, + n = array.length, + a, + b; - return a; + if (f == null) { + while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } + while (++i < n) if ((b = array[i]) != null && a > b) a = b; } - function pairs(array) { - var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n); - while (i < n) pairs[i] = [p, p = array[++i]]; - return pairs; + else { + while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } + while (++i < n) if ((b = f(array[i], i, array)) != null && a > b) a = b; } - function permute(array, indexes) { - var i = indexes.length, permutes = new Array(i); - while (i--) permutes[i] = array[indexes[i]]; - return permutes; - } + return a; +} - function scan(array, compare) { - if (!(n = array.length)) return; - var i = 0, - n, - j = 0, - xi, - xj = array[j]; +var pairs = function(array) { + var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n); + while (i < n) pairs[i] = [p, p = array[++i]]; + return pairs; +} - if (!compare) compare = ascending; +var permute = function(array, indexes) { + var i = indexes.length, permutes = new Array(i); + while (i--) permutes[i] = array[indexes[i]]; + return permutes; +} - while (++i < n) if (compare(xi = array[i], xj) < 0 || compare(xj, xj) !== 0) xj = xi, j = i; +var scan = function(array, compare) { + if (!(n = array.length)) return; + var i = 0, + n, + j = 0, + xi, + xj = array[j]; - if (compare(xj, xj) === 0) return j; - } + if (!compare) compare = ascending; - function shuffle(array, i0, i1) { - var m = (i1 == null ? array.length : i1) - (i0 = i0 == null ? 0 : +i0), - t, - i; + while (++i < n) if (compare(xi = array[i], xj) < 0 || compare(xj, xj) !== 0) xj = xi, j = i; - while (m) { - i = Math.random() * m-- | 0; - t = array[m + i0]; - array[m + i0] = array[i + i0]; - array[i + i0] = t; - } + if (compare(xj, xj) === 0) return j; +} - return array; - } +var shuffle = function(array, i0, i1) { + var m = (i1 == null ? array.length : i1) - (i0 = i0 == null ? 0 : +i0), + t, + i; - function sum(array, f) { - var s = 0, - n = array.length, - a, - i = -1; + while (m) { + i = Math.random() * m-- | 0; + t = array[m + i0]; + array[m + i0] = array[i + i0]; + array[i + i0] = t; + } - if (f == null) { - while (++i < n) if (a = +array[i]) s += a; // Note: zero and null are equivalent. - } + return array; +} - else { - while (++i < n) if (a = +f(array[i], i, array)) s += a; - } +var sum = function(array, f) { + var s = 0, + n = array.length, + a, + i = -1; - return s; + if (f == null) { + while (++i < n) if (a = +array[i]) s += a; // Note: zero and null are equivalent. } - function transpose(matrix) { - if (!(n = matrix.length)) return []; - for (var i = -1, m = min(matrix, length), transpose = new Array(m); ++i < m;) { - for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n;) { - row[j] = matrix[j][i]; - } - } - return transpose; + else { + while (++i < n) if (a = +f(array[i], i, array)) s += a; } - function length(d) { - return d.length; - } + return s; +} - function zip() { - return transpose(arguments); +var transpose = function(matrix) { + if (!(n = matrix.length)) return []; + for (var i = -1, m = min(matrix, length), transpose = new Array(m); ++i < m;) { + for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n;) { + row[j] = matrix[j][i]; + } } + return transpose; +} - var prefix = "$"; +function length(d) { + return d.length; +} - function Map() {} +var zip = function() { + return transpose(arguments); +} - Map.prototype = map$1.prototype = { - constructor: Map, - has: function(key) { - return (prefix + key) in this; - }, - get: function(key) { - return this[prefix + key]; - }, - set: function(key, value) { - this[prefix + key] = value; - return this; - }, - remove: function(key) { - var property = prefix + key; - return property in this && delete this[property]; - }, - clear: function() { - for (var property in this) if (property[0] === prefix) delete this[property]; - }, - keys: function() { - var keys = []; - for (var property in this) if (property[0] === prefix) keys.push(property.slice(1)); - return keys; - }, - values: function() { - var values = []; - for (var property in this) if (property[0] === prefix) values.push(this[property]); - return values; - }, - entries: function() { - var entries = []; - for (var property in this) if (property[0] === prefix) entries.push({key: property.slice(1), value: this[property]}); - return entries; - }, - size: function() { - var size = 0; - for (var property in this) if (property[0] === prefix) ++size; - return size; - }, - empty: function() { - for (var property in this) if (property[0] === prefix) return false; - return true; - }, - each: function(f) { - for (var property in this) if (property[0] === prefix) f(this[property], property.slice(1), this); - } - }; +var prefix = "$"; - function map$1(object, f) { - var map = new Map; +function Map() {} - // Copy constructor. - if (object instanceof Map) object.each(function(value, key) { map.set(key, value); }); +Map.prototype = map$1.prototype = { + constructor: Map, + has: function(key) { + return (prefix + key) in this; + }, + get: function(key) { + return this[prefix + key]; + }, + set: function(key, value) { + this[prefix + key] = value; + return this; + }, + remove: function(key) { + var property = prefix + key; + return property in this && delete this[property]; + }, + clear: function() { + for (var property in this) if (property[0] === prefix) delete this[property]; + }, + keys: function() { + var keys = []; + for (var property in this) if (property[0] === prefix) keys.push(property.slice(1)); + return keys; + }, + values: function() { + var values = []; + for (var property in this) if (property[0] === prefix) values.push(this[property]); + return values; + }, + entries: function() { + var entries = []; + for (var property in this) if (property[0] === prefix) entries.push({key: property.slice(1), value: this[property]}); + return entries; + }, + size: function() { + var size = 0; + for (var property in this) if (property[0] === prefix) ++size; + return size; + }, + empty: function() { + for (var property in this) if (property[0] === prefix) return false; + return true; + }, + each: function(f) { + for (var property in this) if (property[0] === prefix) f(this[property], property.slice(1), this); + } +}; - // Index array by numeric index or specified key function. - else if (Array.isArray(object)) { - var i = -1, - n = object.length, - o; +function map$1(object, f) { + var map = new Map; - if (f == null) while (++i < n) map.set(i, object[i]); - else while (++i < n) map.set(f(o = object[i], i, object), o); - } + // Copy constructor. + if (object instanceof Map) object.each(function(value, key) { map.set(key, value); }); - // Convert object to map. - else if (object) for (var key in object) map.set(key, object[key]); + // Index array by numeric index or specified key function. + else if (Array.isArray(object)) { + var i = -1, + n = object.length, + o; - return map; + if (f == null) while (++i < n) map.set(i, object[i]); + else while (++i < n) map.set(f(o = object[i], i, object), o); } - function nest() { - var keys = [], - sortKeys = [], - sortValues, - rollup, - nest; + // Convert object to map. + else if (object) for (var key in object) map.set(key, object[key]); - function apply(array, depth, createResult, setResult) { - if (depth >= keys.length) return rollup != null - ? rollup(array) : (sortValues != null - ? array.sort(sortValues) - : array); + return map; +} - var i = -1, - n = array.length, - key = keys[depth++], - keyValue, - value, - valuesByKey = map$1(), - values, - result = createResult(); +var nest = function() { + var keys = [], + sortKeys = [], + sortValues, + rollup, + nest; - while (++i < n) { - if (values = valuesByKey.get(keyValue = key(value = array[i]) + "")) { - values.push(value); - } else { - valuesByKey.set(keyValue, [value]); - } - } + function apply(array, depth, createResult, setResult) { + if (depth >= keys.length) return rollup != null + ? rollup(array) : (sortValues != null + ? array.sort(sortValues) + : array); - valuesByKey.each(function(values, key) { - setResult(result, key, apply(values, depth, createResult, setResult)); - }); + var i = -1, + n = array.length, + key = keys[depth++], + keyValue, + value, + valuesByKey = map$1(), + values, + result = createResult(); - return result; + while (++i < n) { + if (values = valuesByKey.get(keyValue = key(value = array[i]) + "")) { + values.push(value); + } else { + valuesByKey.set(keyValue, [value]); + } } - function entries(map, depth) { - if (++depth > keys.length) return map; - var array, sortKey = sortKeys[depth - 1]; - if (rollup != null && depth >= keys.length) array = map.entries(); - else array = [], map.each(function(v, k) { array.push({key: k, values: entries(v, depth)}); }); - return sortKey != null ? array.sort(function(a, b) { return sortKey(a.key, b.key); }) : array; - } + valuesByKey.each(function(values, key) { + setResult(result, key, apply(values, depth, createResult, setResult)); + }); - return nest = { - object: function(array) { return apply(array, 0, createObject, setObject); }, - map: function(array) { return apply(array, 0, createMap, setMap); }, - entries: function(array) { return entries(apply(array, 0, createMap, setMap), 0); }, - key: function(d) { keys.push(d); return nest; }, - sortKeys: function(order) { sortKeys[keys.length - 1] = order; return nest; }, - sortValues: function(order) { sortValues = order; return nest; }, - rollup: function(f) { rollup = f; return nest; } - }; + return result; } - function createObject() { - return {}; + function entries(map, depth) { + if (++depth > keys.length) return map; + var array, sortKey = sortKeys[depth - 1]; + if (rollup != null && depth >= keys.length) array = map.entries(); + else array = [], map.each(function(v, k) { array.push({key: k, values: entries(v, depth)}); }); + return sortKey != null ? array.sort(function(a, b) { return sortKey(a.key, b.key); }) : array; } - function setObject(object, key, value) { - object[key] = value; - } + return nest = { + object: function(array) { return apply(array, 0, createObject, setObject); }, + map: function(array) { return apply(array, 0, createMap, setMap); }, + entries: function(array) { return entries(apply(array, 0, createMap, setMap), 0); }, + key: function(d) { keys.push(d); return nest; }, + sortKeys: function(order) { sortKeys[keys.length - 1] = order; return nest; }, + sortValues: function(order) { sortValues = order; return nest; }, + rollup: function(f) { rollup = f; return nest; } + }; +} - function createMap() { - return map$1(); - } +function createObject() { + return {}; +} - function setMap(map, key, value) { - map.set(key, value); - } +function setObject(object, key, value) { + object[key] = value; +} - function Set() {} +function createMap() { + return map$1(); +} - var proto = map$1.prototype; +function setMap(map, key, value) { + map.set(key, value); +} - Set.prototype = set.prototype = { - constructor: Set, - has: proto.has, - add: function(value) { - value += ""; - this[prefix + value] = value; - return this; - }, - remove: proto.remove, - clear: proto.clear, - values: proto.keys, - size: proto.size, - empty: proto.empty, - each: proto.each +function Set() {} + +var proto = map$1.prototype; + +Set.prototype = set.prototype = { + constructor: Set, + has: proto.has, + add: function(value) { + value += ""; + this[prefix + value] = value; + return this; + }, + remove: proto.remove, + clear: proto.clear, + values: proto.keys, + size: proto.size, + empty: proto.empty, + each: proto.each +}; + +function set(object, f) { + var set = new Set; + + // Copy constructor. + if (object instanceof Set) object.each(function(value) { set.add(value); }); + + // Otherwise, assume it’s an array. + else if (object) { + var i = -1, n = object.length; + if (f == null) while (++i < n) set.add(object[i]); + else while (++i < n) set.add(f(object[i], i, object)); + } + + return set; +} + +var keys = function(map) { + var keys = []; + for (var key in map) keys.push(key); + return keys; +} + +var values = function(map) { + var values = []; + for (var key in map) values.push(map[key]); + return values; +} + +var entries = function(map) { + var entries = []; + for (var key in map) entries.push({key: key, value: map[key]}); + return entries; +} + +var uniform = function(min, max) { + min = min == null ? 0 : +min; + max = max == null ? 1 : +max; + if (arguments.length === 1) max = min, min = 0; + else max -= min; + return function() { + return Math.random() * max + min; + }; +} + +var normal = function(mu, sigma) { + var x, r; + mu = mu == null ? 0 : +mu; + sigma = sigma == null ? 1 : +sigma; + return function() { + var y; + + // If available, use the second previously-generated uniform random. + if (x != null) y = x, x = null; + + // Otherwise, generate a new x and y. + else do { + x = Math.random() * 2 - 1; + y = Math.random() * 2 - 1; + r = x * x + y * y; + } while (!r || r > 1); + + return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); }; +} - function set(object, f) { - var set = new Set; +var logNormal = function() { + var randomNormal = normal.apply(this, arguments); + return function() { + return Math.exp(randomNormal()); + }; +} - // Copy constructor. - if (object instanceof Set) object.each(function(value) { set.add(value); }); +var irwinHall = function(n) { + return function() { + for (var sum = 0, i = 0; i < n; ++i) sum += Math.random(); + return sum; + }; +} - // Otherwise, assume it’s an array. - else if (object) { - var i = -1, n = object.length; - if (f == null) while (++i < n) set.add(object[i]); - else while (++i < n) set.add(f(object[i], i, object)); - } +var bates = function(n) { + var randomIrwinHall = irwinHall(n); + return function() { + return randomIrwinHall() / n; + }; +} - return set; - } +var exponential = function(lambda) { + return function() { + return -Math.log(1 - Math.random()) / lambda; + }; +} - function keys(map) { - var keys = []; - for (var key in map) keys.push(key); - return keys; - } +function linear(t) { + return +t; +} - function values(map) { - var values = []; - for (var key in map) values.push(map[key]); - return values; - } +function quadIn(t) { + return t * t; +} - function entries(map) { - var entries = []; - for (var key in map) entries.push({key: key, value: map[key]}); - return entries; - } +function quadOut(t) { + return t * (2 - t); +} - function uniform(min, max) { - min = min == null ? 0 : +min; - max = max == null ? 1 : +max; - if (arguments.length === 1) max = min, min = 0; - else max -= min; - return function() { - return Math.random() * max + min; - }; - } +function quadInOut(t) { + return ((t *= 2) <= 1 ? t * t : --t * (2 - t) + 1) / 2; +} - function normal(mu, sigma) { - var x, r; - mu = mu == null ? 0 : +mu; - sigma = sigma == null ? 1 : +sigma; - return function() { - var y; +function cubicIn(t) { + return t * t * t; +} - // If available, use the second previously-generated uniform random. - if (x != null) y = x, x = null; +function cubicOut(t) { + return --t * t * t + 1; +} - // Otherwise, generate a new x and y. - else do { - x = Math.random() * 2 - 1; - y = Math.random() * 2 - 1; - r = x * x + y * y; - } while (!r || r > 1); +function cubicInOut(t) { + return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2; +} - return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); - }; - } +var exponent = 3; - function logNormal() { - var randomNormal = normal.apply(this, arguments); - return function() { - return Math.exp(randomNormal()); - }; - } +var polyIn = (function custom(e) { + e = +e; - function irwinHall(n) { - return function() { - for (var sum = 0, i = 0; i < n; ++i) sum += Math.random(); - return sum; - }; + function polyIn(t) { + return Math.pow(t, e); } - function bates(n) { - var randomIrwinHall = irwinHall(n); - return function() { - return randomIrwinHall() / n; - }; - } + polyIn.exponent = custom; - function exponential(lambda) { - return function() { - return -Math.log(1 - Math.random()) / lambda; - }; - } + return polyIn; +})(exponent); - function linear(t) { - return +t; - } +var polyOut = (function custom(e) { + e = +e; - function quadIn(t) { - return t * t; + function polyOut(t) { + return 1 - Math.pow(1 - t, e); } - function quadOut(t) { - return t * (2 - t); - } + polyOut.exponent = custom; - function quadInOut(t) { - return ((t *= 2) <= 1 ? t * t : --t * (2 - t) + 1) / 2; - } + return polyOut; +})(exponent); - function cubicIn(t) { - return t * t * t; - } +var polyInOut = (function custom(e) { + e = +e; - function cubicOut(t) { - return --t * t * t + 1; + function polyInOut(t) { + return ((t *= 2) <= 1 ? Math.pow(t, e) : 2 - Math.pow(2 - t, e)) / 2; } - function easeCubicInOut(t) { - return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2; - } + polyInOut.exponent = custom; - var exponent = 3; + return polyInOut; +})(exponent); - var polyIn = (function custom(e) { - e = +e; +var pi = Math.PI; +var halfPi = pi / 2; - function polyIn(t) { - return Math.pow(t, e); - } +function sinIn(t) { + return 1 - Math.cos(t * halfPi); +} - polyIn.exponent = custom; +function sinOut(t) { + return Math.sin(t * halfPi); +} - return polyIn; - })(exponent); +function sinInOut(t) { + return (1 - Math.cos(pi * t)) / 2; +} - var polyOut = (function custom(e) { - e = +e; +function expIn(t) { + return Math.pow(2, 10 * t - 10); +} - function polyOut(t) { - return 1 - Math.pow(1 - t, e); - } +function expOut(t) { + return 1 - Math.pow(2, -10 * t); +} - polyOut.exponent = custom; +function expInOut(t) { + return ((t *= 2) <= 1 ? Math.pow(2, 10 * t - 10) : 2 - Math.pow(2, 10 - 10 * t)) / 2; +} - return polyOut; - })(exponent); +function circleIn(t) { + return 1 - Math.sqrt(1 - t * t); +} - var polyInOut = (function custom(e) { - e = +e; +function circleOut(t) { + return Math.sqrt(1 - --t * t); +} - function polyInOut(t) { - return ((t *= 2) <= 1 ? Math.pow(t, e) : 2 - Math.pow(2 - t, e)) / 2; - } +function circleInOut(t) { + return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2; +} - polyInOut.exponent = custom; +var b1 = 4 / 11; +var b2 = 6 / 11; +var b3 = 8 / 11; +var b4 = 3 / 4; +var b5 = 9 / 11; +var b6 = 10 / 11; +var b7 = 15 / 16; +var b8 = 21 / 22; +var b9 = 63 / 64; +var b0 = 1 / b1 / b1; - return polyInOut; - })(exponent); +function bounceIn(t) { + return 1 - bounceOut(1 - t); +} - var pi = Math.PI; - var halfPi = pi / 2; - function sinIn(t) { - return 1 - Math.cos(t * halfPi); - } +function bounceOut(t) { + return (t = +t) < b1 ? b0 * t * t : t < b3 ? b0 * (t -= b2) * t + b4 : t < b6 ? b0 * (t -= b5) * t + b7 : b0 * (t -= b8) * t + b9; +} - function sinOut(t) { - return Math.sin(t * halfPi); - } +function bounceInOut(t) { + return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2; +} - function sinInOut(t) { - return (1 - Math.cos(pi * t)) / 2; - } +var overshoot = 1.70158; - function expIn(t) { - return Math.pow(2, 10 * t - 10); - } +var backIn = (function custom(s) { + s = +s; - function expOut(t) { - return 1 - Math.pow(2, -10 * t); + function backIn(t) { + return t * t * ((s + 1) * t - s); } - function expInOut(t) { - return ((t *= 2) <= 1 ? Math.pow(2, 10 * t - 10) : 2 - Math.pow(2, 10 - 10 * t)) / 2; - } + backIn.overshoot = custom; - function circleIn(t) { - return 1 - Math.sqrt(1 - t * t); - } + return backIn; +})(overshoot); - function circleOut(t) { - return Math.sqrt(1 - --t * t); - } +var backOut = (function custom(s) { + s = +s; - function circleInOut(t) { - return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2; + function backOut(t) { + return --t * t * ((s + 1) * t + s) + 1; } - var b1 = 4 / 11; - var b2 = 6 / 11; - var b3 = 8 / 11; - var b4 = 3 / 4; - var b5 = 9 / 11; - var b6 = 10 / 11; - var b7 = 15 / 16; - var b8 = 21 / 22; - var b9 = 63 / 64; - var b0 = 1 / b1 / b1; - function bounceIn(t) { - return 1 - bounceOut(1 - t); - } + backOut.overshoot = custom; - function bounceOut(t) { - return (t = +t) < b1 ? b0 * t * t : t < b3 ? b0 * (t -= b2) * t + b4 : t < b6 ? b0 * (t -= b5) * t + b7 : b0 * (t -= b8) * t + b9; - } + return backOut; +})(overshoot); + +var backInOut = (function custom(s) { + s = +s; - function bounceInOut(t) { - return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2; + function backInOut(t) { + return ((t *= 2) < 1 ? t * t * ((s + 1) * t - s) : (t -= 2) * t * ((s + 1) * t + s) + 2) / 2; } - var overshoot = 1.70158; + backInOut.overshoot = custom; - var backIn = (function custom(s) { - s = +s; + return backInOut; +})(overshoot); - function backIn(t) { - return t * t * ((s + 1) * t - s); - } +var tau = 2 * Math.PI; +var amplitude = 1; +var period = 0.3; - backIn.overshoot = custom; +var elasticIn = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); - return backIn; - })(overshoot); + function elasticIn(t) { + return a * Math.pow(2, 10 * --t) * Math.sin((s - t) / p); + } - var backOut = (function custom(s) { - s = +s; + elasticIn.amplitude = function(a) { return custom(a, p * tau); }; + elasticIn.period = function(p) { return custom(a, p); }; - function backOut(t) { - return --t * t * ((s + 1) * t + s) + 1; - } + return elasticIn; +})(amplitude, period); - backOut.overshoot = custom; +var elasticOut = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); - return backOut; - })(overshoot); + function elasticOut(t) { + return 1 - a * Math.pow(2, -10 * (t = +t)) * Math.sin((t + s) / p); + } - var backInOut = (function custom(s) { - s = +s; + elasticOut.amplitude = function(a) { return custom(a, p * tau); }; + elasticOut.period = function(p) { return custom(a, p); }; - function backInOut(t) { - return ((t *= 2) < 1 ? t * t * ((s + 1) * t - s) : (t -= 2) * t * ((s + 1) * t + s) + 2) / 2; - } + return elasticOut; +})(amplitude, period); - backInOut.overshoot = custom; +var elasticInOut = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); - return backInOut; - })(overshoot); + function elasticInOut(t) { + return ((t = t * 2 - 1) < 0 + ? a * Math.pow(2, 10 * t) * Math.sin((s - t) / p) + : 2 - a * Math.pow(2, -10 * t) * Math.sin((s + t) / p)) / 2; + } - var tau = 2 * Math.PI; - var amplitude = 1; - var period = 0.3; - var elasticIn = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); + elasticInOut.amplitude = function(a) { return custom(a, p * tau); }; + elasticInOut.period = function(p) { return custom(a, p); }; - function elasticIn(t) { - return a * Math.pow(2, 10 * --t) * Math.sin((s - t) / p); - } + return elasticInOut; +})(amplitude, period); - elasticIn.amplitude = function(a) { return custom(a, p * tau); }; - elasticIn.period = function(p) { return custom(a, p); }; +var area = function(polygon) { + var i = -1, + n = polygon.length, + a, + b = polygon[n - 1], + area = 0; - return elasticIn; - })(amplitude, period); + while (++i < n) { + a = b; + b = polygon[i]; + area += a[1] * b[0] - a[0] * b[1]; + } - var elasticOut = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); + return area / 2; +} - function elasticOut(t) { - return 1 - a * Math.pow(2, -10 * (t = +t)) * Math.sin((t + s) / p); - } +var centroid = function(polygon) { + var i = -1, + n = polygon.length, + x = 0, + y = 0, + a, + b = polygon[n - 1], + c, + k = 0; - elasticOut.amplitude = function(a) { return custom(a, p * tau); }; - elasticOut.period = function(p) { return custom(a, p); }; + while (++i < n) { + a = b; + b = polygon[i]; + k += c = a[0] * b[1] - b[0] * a[1]; + x += (a[0] + b[0]) * c; + y += (a[1] + b[1]) * c; + } - return elasticOut; - })(amplitude, period); + return k *= 3, [x / k, y / k]; +} - var elasticInOut = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); +// Returns the 2D cross product of AB and AC vectors, i.e., the z-component of +// the 3D cross product in a quadrant I Cartesian coordinate system (+x is +// right, +y is up). Returns a positive value if ABC is counter-clockwise, +// negative if clockwise, and zero if the points are collinear. +var cross = function(a, b, c) { + return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); +} - function elasticInOut(t) { - return ((t = t * 2 - 1) < 0 - ? a * Math.pow(2, 10 * t) * Math.sin((s - t) / p) - : 2 - a * Math.pow(2, -10 * t) * Math.sin((s + t) / p)) / 2; - } +function lexicographicOrder(a, b) { + return a[0] - b[0] || a[1] - b[1]; +} - elasticInOut.amplitude = function(a) { return custom(a, p * tau); }; - elasticInOut.period = function(p) { return custom(a, p); }; +// Computes the upper convex hull per the monotone chain algorithm. +// Assumes points.length >= 3, is sorted by x, unique in y. +// Returns an array of indices into points in left-to-right order. +function computeUpperHullIndexes(points) { + var n = points.length, + indexes = [0, 1], + size = 2; + + for (var i = 2; i < n; ++i) { + while (size > 1 && cross(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size; + indexes[size++] = i; + } + + return indexes.slice(0, size); // remove popped points +} + +var hull = function(points) { + if ((n = points.length) < 3) return null; + + var i, + n, + sortedPoints = new Array(n), + flippedPoints = new Array(n); + + for (i = 0; i < n; ++i) sortedPoints[i] = [+points[i][0], +points[i][1], i]; + sortedPoints.sort(lexicographicOrder); + for (i = 0; i < n; ++i) flippedPoints[i] = [sortedPoints[i][0], -sortedPoints[i][1]]; + + var upperIndexes = computeUpperHullIndexes(sortedPoints), + lowerIndexes = computeUpperHullIndexes(flippedPoints); + + // Construct the hull polygon, removing possible duplicate endpoints. + var skipLeft = lowerIndexes[0] === upperIndexes[0], + skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1], + hull = []; + + // Add upper hull in right-to-l order. + // Then add lower hull in left-to-right order. + for (i = upperIndexes.length - 1; i >= 0; --i) hull.push(points[sortedPoints[upperIndexes[i]][2]]); + for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]); + + return hull; +} + +var contains = function(polygon, point) { + var n = polygon.length, + p = polygon[n - 1], + x = point[0], y = point[1], + x0 = p[0], y0 = p[1], + x1, y1, + inside = false; + + for (var i = 0; i < n; ++i) { + p = polygon[i], x1 = p[0], y1 = p[1]; + if (((y1 > y) !== (y0 > y)) && (x < (x0 - x1) * (y - y1) / (y0 - y1) + x1)) inside = !inside; + x0 = x1, y0 = y1; + } + + return inside; +} + +var length$1 = function(polygon) { + var i = -1, + n = polygon.length, + b = polygon[n - 1], + xa, + ya, + xb = b[0], + yb = b[1], + perimeter = 0; + + while (++i < n) { + xa = xb; + ya = yb; + b = polygon[i]; + xb = b[0]; + yb = b[1]; + xa -= xb; + ya -= yb; + perimeter += Math.sqrt(xa * xa + ya * ya); + } + + return perimeter; +} + +var pi$1 = Math.PI; +var tau$1 = 2 * pi$1; +var epsilon = 1e-6; +var tauEpsilon = tau$1 - epsilon; + +function Path() { + this._x0 = this._y0 = // start of current subpath + this._x1 = this._y1 = null; // end of current subpath + this._ = []; +} + +function path() { + return new Path; +} + +Path.prototype = path.prototype = { + constructor: Path, + moveTo: function(x, y) { + this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y); + }, + closePath: function() { + if (this._x1 !== null) { + this._x1 = this._x0, this._y1 = this._y0; + this._.push("Z"); + } + }, + lineTo: function(x, y) { + this._.push("L", this._x1 = +x, ",", this._y1 = +y); + }, + quadraticCurveTo: function(x1, y1, x, y) { + this._.push("Q", +x1, ",", +y1, ",", this._x1 = +x, ",", this._y1 = +y); + }, + bezierCurveTo: function(x1, y1, x2, y2, x, y) { + this._.push("C", +x1, ",", +y1, ",", +x2, ",", +y2, ",", this._x1 = +x, ",", this._y1 = +y); + }, + arcTo: function(x1, y1, x2, y2, r) { + x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r; + var x0 = this._x1, + y0 = this._y1, + x21 = x2 - x1, + y21 = y2 - y1, + x01 = x0 - x1, + y01 = y0 - y1, + l01_2 = x01 * x01 + y01 * y01; - return elasticInOut; - })(amplitude, period); + // Is the radius negative? Error. + if (r < 0) throw new Error("negative radius: " + r); - function area(polygon) { - var i = -1, - n = polygon.length, - a, - b = polygon[n - 1], - area = 0; + // Is this path empty? Move to (x1,y1). + if (this._x1 === null) { + this._.push( + "M", this._x1 = x1, ",", this._y1 = y1 + ); + } - while (++i < n) { - a = b; - b = polygon[i]; - area += a[1] * b[0] - a[0] * b[1]; + // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. + else if (!(l01_2 > epsilon)) {} + + // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? + // Equivalently, is (x1,y1) coincident with (x2,y2)? + // Or, is the radius zero? Line to (x1,y1). + else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon) || !r) { + this._.push( + "L", this._x1 = x1, ",", this._y1 = y1 + ); } - return area / 2; - } + // Otherwise, draw an arc! + else { + var x20 = x2 - x0, + y20 = y2 - y0, + l21_2 = x21 * x21 + y21 * y21, + l20_2 = x20 * x20 + y20 * y20, + l21 = Math.sqrt(l21_2), + l01 = Math.sqrt(l01_2), + l = r * Math.tan((pi$1 - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2), + t01 = l / l01, + t21 = l / l21; + + // If the start tangent is not coincident with (x0,y0), line to. + if (Math.abs(t01 - 1) > epsilon) { + this._.push( + "L", x1 + t01 * x01, ",", y1 + t01 * y01 + ); + } - function centroid(polygon) { - var i = -1, - n = polygon.length, - x = 0, - y = 0, - a, - b = polygon[n - 1], - c, - k = 0; + this._.push( + "A", r, ",", r, ",0,0,", +(y01 * x20 > x01 * y20), ",", this._x1 = x1 + t21 * x21, ",", this._y1 = y1 + t21 * y21 + ); + } + }, + arc: function(x, y, r, a0, a1, ccw) { + x = +x, y = +y, r = +r; + var dx = r * Math.cos(a0), + dy = r * Math.sin(a0), + x0 = x + dx, + y0 = y + dy, + cw = 1 ^ ccw, + da = ccw ? a0 - a1 : a1 - a0; + + // Is the radius negative? Error. + if (r < 0) throw new Error("negative radius: " + r); + + // Is this path empty? Move to (x0,y0). + if (this._x1 === null) { + this._.push( + "M", x0, ",", y0 + ); + } - while (++i < n) { - a = b; - b = polygon[i]; - k += c = a[0] * b[1] - b[0] * a[1]; - x += (a[0] + b[0]) * c; - y += (a[1] + b[1]) * c; + // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). + else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) { + this._.push( + "L", x0, ",", y0 + ); } - return k *= 3, [x / k, y / k]; - } + // Is this arc empty? We’re done. + if (!r) return; - // Returns the 2D cross product of AB and AC vectors, i.e., the z-component of - // the 3D cross product in a quadrant I Cartesian coordinate system (+x is - // right, +y is up). Returns a positive value if ABC is counter-clockwise, - // negative if clockwise, and zero if the points are collinear. - function cross(a, b, c) { - return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); - } - - function lexicographicOrder(a, b) { - return a[0] - b[0] || a[1] - b[1]; - } - - // Computes the upper convex hull per the monotone chain algorithm. - // Assumes points.length >= 3, is sorted by x, unique in y. - // Returns an array of indices into points in left-to-right order. - function computeUpperHullIndexes(points) { - var n = points.length, - indexes = [0, 1], - size = 2; - - for (var i = 2; i < n; ++i) { - while (size > 1 && cross(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size; - indexes[size++] = i; + // Is this a complete circle? Draw two arcs to complete the circle. + if (da > tauEpsilon) { + this._.push( + "A", r, ",", r, ",0,1,", cw, ",", x - dx, ",", y - dy, + "A", r, ",", r, ",0,1,", cw, ",", this._x1 = x0, ",", this._y1 = y0 + ); } - return indexes.slice(0, size); // remove popped points + // Otherwise, draw an arc! + else { + if (da < 0) da = da % tau$1 + tau$1; + this._.push( + "A", r, ",", r, ",0,", +(da >= pi$1), ",", cw, ",", this._x1 = x + r * Math.cos(a1), ",", this._y1 = y + r * Math.sin(a1) + ); + } + }, + rect: function(x, y, w, h) { + this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y, "h", +w, "v", +h, "h", -w, "Z"); + }, + toString: function() { + return this._.join(""); + } +}; + +var tree_add = function(d) { + var x = +this._x.call(null, d), + y = +this._y.call(null, d); + return add(this.cover(x, y), x, y, d); +} + +function add(tree, x, y, d) { + if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points + + var parent, + node = tree._root, + leaf = {data: d}, + x0 = tree._x0, + y0 = tree._y0, + x1 = tree._x1, + y1 = tree._y1, + xm, + ym, + xp, + yp, + right, + bottom, + i, + j; + + // If the tree is empty, initialize the root as a leaf. + if (!node) return tree._root = leaf, tree; + + // Find the existing leaf for the new point, or add it. + while (node.length) { + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree; + } + + // Is the new point is exactly coincident with the existing point? + xp = +tree._x.call(null, node.data); + yp = +tree._y.call(null, node.data); + if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree; + + // Otherwise, split the leaf node until the old and new point are separated. + do { + parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4); + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm))); + return parent[j] = node, parent[i] = leaf, tree; +} + +function addAll(data) { + var d, i, n = data.length, + x, + y, + xz = new Array(n), + yz = new Array(n), + x0 = Infinity, + y0 = Infinity, + x1 = -Infinity, + y1 = -Infinity; + + // Compute the points and their extent. + for (i = 0; i < n; ++i) { + if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue; + xz[i] = x; + yz[i] = y; + if (x < x0) x0 = x; + if (x > x1) x1 = x; + if (y < y0) y0 = y; + if (y > y1) y1 = y; } - function hull(points) { - if ((n = points.length) < 3) return null; + // If there were no (valid) points, inherit the existing extent. + if (x1 < x0) x0 = this._x0, x1 = this._x1; + if (y1 < y0) y0 = this._y0, y1 = this._y1; - var i, - n, - sortedPoints = new Array(n), - flippedPoints = new Array(n); + // Expand the tree to cover the new points. + this.cover(x0, y0).cover(x1, y1); - for (i = 0; i < n; ++i) sortedPoints[i] = [+points[i][0], +points[i][1], i]; - sortedPoints.sort(lexicographicOrder); - for (i = 0; i < n; ++i) flippedPoints[i] = [sortedPoints[i][0], -sortedPoints[i][1]]; + // Add the new points. + for (i = 0; i < n; ++i) { + add(this, xz[i], yz[i], data[i]); + } - var upperIndexes = computeUpperHullIndexes(sortedPoints), - lowerIndexes = computeUpperHullIndexes(flippedPoints); + return this; +} - // Construct the hull polygon, removing possible duplicate endpoints. - var skipLeft = lowerIndexes[0] === upperIndexes[0], - skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1], - hull = []; +var tree_cover = function(x, y) { + if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points - // Add upper hull in right-to-l order. - // Then add lower hull in left-to-right order. - for (i = upperIndexes.length - 1; i >= 0; --i) hull.push(points[sortedPoints[upperIndexes[i]][2]]); - for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]); + var x0 = this._x0, + y0 = this._y0, + x1 = this._x1, + y1 = this._y1; - return hull; + // If the quadtree has no extent, initialize them. + // Integer extent are necessary so that if we later double the extent, + // the existing quadrant boundaries don’t change due to floating point error! + if (isNaN(x0)) { + x1 = (x0 = Math.floor(x)) + 1; + y1 = (y0 = Math.floor(y)) + 1; } - function contains(polygon, point) { - var n = polygon.length, - p = polygon[n - 1], - x = point[0], y = point[1], - x0 = p[0], y0 = p[1], - x1, y1, - inside = false; + // Otherwise, double repeatedly to cover. + else if (x0 > x || x > x1 || y0 > y || y > y1) { + var z = x1 - x0, + node = this._root, + parent, + i; - for (var i = 0; i < n; ++i) { - p = polygon[i], x1 = p[0], y1 = p[1]; - if (((y1 > y) !== (y0 > y)) && (x < (x0 - x1) * (y - y1) / (y0 - y1) + x1)) inside = !inside; - x0 = x1, y0 = y1; + switch (i = (y < (y0 + y1) / 2) << 1 | (x < (x0 + x1) / 2)) { + case 0: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x1 = x0 + z, y1 = y0 + z, x > x1 || y > y1); + break; + } + case 1: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x0 = x1 - z, y1 = y0 + z, x0 > x || y > y1); + break; + } + case 2: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x1 = x0 + z, y0 = y1 - z, x > x1 || y0 > y); + break; + } + case 3: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x0 = x1 - z, y0 = y1 - z, x0 > x || y0 > y); + break; + } } - return inside; + if (this._root && this._root.length) this._root = node; } - function length$1(polygon) { - var i = -1, - n = polygon.length, - b = polygon[n - 1], - xa, - ya, - xb = b[0], - yb = b[1], - perimeter = 0; + // If the quadtree covers the point already, just return. + else return this; - while (++i < n) { - xa = xb; - ya = yb; - b = polygon[i]; - xb = b[0]; - yb = b[1]; - xa -= xb; - ya -= yb; - perimeter += Math.sqrt(xa * xa + ya * ya); + this._x0 = x0; + this._y0 = y0; + this._x1 = x1; + this._y1 = y1; + return this; +} + +var tree_data = function() { + var data = []; + this.visit(function(node) { + if (!node.length) do data.push(node.data); while (node = node.next) + }); + return data; +} + +var tree_extent = function(_) { + return arguments.length + ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) + : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; +} + +var Quad = function(node, x0, y0, x1, y1) { + this.node = node; + this.x0 = x0; + this.y0 = y0; + this.x1 = x1; + this.y1 = y1; +} + +var tree_find = function(x, y, radius) { + var data, + x0 = this._x0, + y0 = this._y0, + x1, + y1, + x2, + y2, + x3 = this._x1, + y3 = this._y1, + quads = [], + node = this._root, + q, + i; + + if (node) quads.push(new Quad(node, x0, y0, x3, y3)); + if (radius == null) radius = Infinity; + else { + x0 = x - radius, y0 = y - radius; + x3 = x + radius, y3 = y + radius; + radius *= radius; + } + + while (q = quads.pop()) { + + // Stop searching if this quadrant can’t contain a closer node. + if (!(node = q.node) + || (x1 = q.x0) > x3 + || (y1 = q.y0) > y3 + || (x2 = q.x1) < x0 + || (y2 = q.y1) < y0) continue; + + // Bisect the current quadrant. + if (node.length) { + var xm = (x1 + x2) / 2, + ym = (y1 + y2) / 2; + + quads.push( + new Quad(node[3], xm, ym, x2, y2), + new Quad(node[2], x1, ym, xm, y2), + new Quad(node[1], xm, y1, x2, ym), + new Quad(node[0], x1, y1, xm, ym) + ); + + // Visit the closest quadrant first. + if (i = (y >= ym) << 1 | (x >= xm)) { + q = quads[quads.length - 1]; + quads[quads.length - 1] = quads[quads.length - 1 - i]; + quads[quads.length - 1 - i] = q; + } } - return perimeter; + // Visit this point. (Visiting coincident points isn’t necessary!) + else { + var dx = x - +this._x.call(null, node.data), + dy = y - +this._y.call(null, node.data), + d2 = dx * dx + dy * dy; + if (d2 < radius) { + var d = Math.sqrt(radius = d2); + x0 = x - d, y0 = y - d; + x3 = x + d, y3 = y + d; + data = node.data; + } + } + } + + return data; +} + +var tree_remove = function(d) { + if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points + + var parent, + node = this._root, + retainer, + previous, + next, + x0 = this._x0, + y0 = this._y0, + x1 = this._x1, + y1 = this._y1, + x, + y, + xm, + ym, + right, + bottom, + i, + j; + + // If the tree is empty, initialize the root as a leaf. + if (!node) return this; + + // Find the leaf node for the point. + // While descending, also retain the deepest parent with a non-removed sibling. + if (node.length) while (true) { + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + if (!(parent = node, node = node[i = bottom << 1 | right])) return this; + if (!node.length) break; + if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i; + } + + // Find the point to remove. + while (node.data !== d) if (!(previous = node, node = node.next)) return this; + if (next = node.next) delete node.next; + + // If there are multiple coincident points, remove just the point. + if (previous) return (next ? previous.next = next : delete previous.next), this; + + // If this is the root point, remove it. + if (!parent) return this._root = next, this; + + // Remove this leaf. + next ? parent[i] = next : delete parent[i]; + + // If the parent now contains exactly one leaf, collapse superfluous parents. + if ((node = parent[0] || parent[1] || parent[2] || parent[3]) + && node === (parent[3] || parent[2] || parent[1] || parent[0]) + && !node.length) { + if (retainer) retainer[j] = node; + else this._root = node; + } + + return this; +} + +function removeAll(data) { + for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); + return this; +} + +var tree_root = function() { + return this._root; +} + +var tree_size = function() { + var size = 0; + this.visit(function(node) { + if (!node.length) do ++size; while (node = node.next) + }); + return size; +} + +var tree_visit = function(callback) { + var quads = [], q, node = this._root, child, x0, y0, x1, y1; + if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); + while (q = quads.pop()) { + if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) { + var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; + if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); + if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); + if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); + if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); + } + } + return this; +} + +var tree_visitAfter = function(callback) { + var quads = [], next = [], q; + if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); + while (q = quads.pop()) { + var node = q.node; + if (node.length) { + var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; + if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); + if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); + if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); + if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); + } + next.push(q); + } + while (q = next.pop()) { + callback(q.node, q.x0, q.y0, q.x1, q.y1); + } + return this; +} + +function defaultX(d) { + return d[0]; +} + +var tree_x = function(_) { + return arguments.length ? (this._x = _, this) : this._x; +} + +function defaultY(d) { + return d[1]; +} + +var tree_y = function(_) { + return arguments.length ? (this._y = _, this) : this._y; +} + +function quadtree(nodes, x, y) { + var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); + return nodes == null ? tree : tree.addAll(nodes); +} + +function Quadtree(x, y, x0, y0, x1, y1) { + this._x = x; + this._y = y; + this._x0 = x0; + this._y0 = y0; + this._x1 = x1; + this._y1 = y1; + this._root = undefined; +} + +function leaf_copy(leaf) { + var copy = {data: leaf.data}, next = copy; + while (leaf = leaf.next) next = next.next = {data: leaf.data}; + return copy; +} + +var treeProto = quadtree.prototype = Quadtree.prototype; + +treeProto.copy = function() { + var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), + node = this._root, + nodes, + child; + + if (!node) return copy; + + if (!node.length) return copy._root = leaf_copy(node), copy; + + nodes = [{source: node, target: copy._root = new Array(4)}]; + while (node = nodes.pop()) { + for (var i = 0; i < 4; ++i) { + if (child = node.source[i]) { + if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)}); + else node.target[i] = leaf_copy(child); + } + } + } + + return copy; +}; + +treeProto.add = tree_add; +treeProto.addAll = addAll; +treeProto.cover = tree_cover; +treeProto.data = tree_data; +treeProto.extent = tree_extent; +treeProto.find = tree_find; +treeProto.remove = tree_remove; +treeProto.removeAll = removeAll; +treeProto.root = tree_root; +treeProto.size = tree_size; +treeProto.visit = tree_visit; +treeProto.visitAfter = tree_visitAfter; +treeProto.x = tree_x; +treeProto.y = tree_y; + +var slice$1 = [].slice; + +var noabort = {}; + +function Queue(size) { + if (!(size >= 1)) throw new Error; + this._size = size; + this._call = + this._error = null; + this._tasks = []; + this._data = []; + this._waiting = + this._active = + this._ended = + this._start = 0; // inside a synchronous task callback? +} + +Queue.prototype = queue.prototype = { + constructor: Queue, + defer: function(callback) { + if (typeof callback !== "function" || this._call) throw new Error; + if (this._error != null) return this; + var t = slice$1.call(arguments, 1); + t.push(callback); + ++this._waiting, this._tasks.push(t); + poke(this); + return this; + }, + abort: function() { + if (this._error == null) abort(this, new Error("abort")); + return this; + }, + await: function(callback) { + if (typeof callback !== "function" || this._call) throw new Error; + this._call = function(error, results) { callback.apply(null, [error].concat(results)); }; + maybeNotify(this); + return this; + }, + awaitAll: function(callback) { + if (typeof callback !== "function" || this._call) throw new Error; + this._call = callback; + maybeNotify(this); + return this; } +}; + +function poke(q) { + if (!q._start) { + try { start(q); } // let the current task complete + catch (e) { + if (q._tasks[q._ended + q._active - 1]) abort(q, e); // task errored synchronously + else if (!q._data) throw e; // await callback errored synchronously + } + } +} + +function start(q) { + while (q._start = q._waiting && q._active < q._size) { + var i = q._ended + q._active, + t = q._tasks[i], + j = t.length - 1, + c = t[j]; + t[j] = end(q, i); + --q._waiting, ++q._active; + t = c.apply(null, t); + if (!q._tasks[i]) continue; // task finished synchronously + q._tasks[i] = t || noabort; + } +} + +function end(q, i) { + return function(e, r) { + if (!q._tasks[i]) return; // ignore multiple callbacks + --q._active, ++q._ended; + q._tasks[i] = null; + if (q._error != null) return; // ignore secondary errors + if (e != null) { + abort(q, e); + } else { + q._data[i] = r; + if (q._waiting) poke(q); + else maybeNotify(q); + } + }; +} -var pi$1 = Math.PI; -var tau$1 = 2 * pi$1; - var epsilon = 1e-6; - var tauEpsilon = tau$1 - epsilon; - function Path() { - this._x0 = this._y0 = // start of current subpath - this._x1 = this._y1 = null; // end of current subpath - this._ = []; - } +function abort(q, e) { + var i = q._tasks.length, t; + q._error = e; // ignore active callbacks + q._data = undefined; // allow gc + q._waiting = NaN; // prevent starting - function path() { - return new Path; + while (--i >= 0) { + if (t = q._tasks[i]) { + q._tasks[i] = null; + if (t.abort) { + try { t.abort(); } + catch (e) { /* ignore */ } + } + } } - Path.prototype = path.prototype = { - constructor: Path, - moveTo: function(x, y) { - this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y); - }, - closePath: function() { - if (this._x1 !== null) { - this._x1 = this._x0, this._y1 = this._y0; - this._.push("Z"); - } - }, - lineTo: function(x, y) { - this._.push("L", this._x1 = +x, ",", this._y1 = +y); - }, - quadraticCurveTo: function(x1, y1, x, y) { - this._.push("Q", +x1, ",", +y1, ",", this._x1 = +x, ",", this._y1 = +y); - }, - bezierCurveTo: function(x1, y1, x2, y2, x, y) { - this._.push("C", +x1, ",", +y1, ",", +x2, ",", +y2, ",", this._x1 = +x, ",", this._y1 = +y); - }, - arcTo: function(x1, y1, x2, y2, r) { - x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r; - var x0 = this._x1, - y0 = this._y1, - x21 = x2 - x1, - y21 = y2 - y1, - x01 = x0 - x1, - y01 = y0 - y1, - l01_2 = x01 * x01 + y01 * y01; - - // Is the radius negative? Error. - if (r < 0) throw new Error("negative radius: " + r); - - // Is this path empty? Move to (x1,y1). - if (this._x1 === null) { - this._.push( - "M", this._x1 = x1, ",", this._y1 = y1 - ); - } + q._active = NaN; // allow notification + maybeNotify(q); +} - // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. - else if (!(l01_2 > epsilon)); +function maybeNotify(q) { + if (!q._active && q._call) { + var d = q._data; + q._data = undefined; // allow gc + q._call(q._error, d); + } +} - // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? - // Equivalently, is (x1,y1) coincident with (x2,y2)? - // Or, is the radius zero? Line to (x1,y1). - else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon) || !r) { - this._.push( - "L", this._x1 = x1, ",", this._y1 = y1 - ); - } +function queue(concurrency) { + return new Queue(arguments.length ? +concurrency : Infinity); +} - // Otherwise, draw an arc! - else { - var x20 = x2 - x0, - y20 = y2 - y0, - l21_2 = x21 * x21 + y21 * y21, - l20_2 = x20 * x20 + y20 * y20, - l21 = Math.sqrt(l21_2), - l01 = Math.sqrt(l01_2), - l = r * Math.tan((pi$1 - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2), - t01 = l / l01, - t21 = l / l21; - - // If the start tangent is not coincident with (x0,y0), line to. - if (Math.abs(t01 - 1) > epsilon) { - this._.push( - "L", x1 + t01 * x01, ",", y1 + t01 * y01 - ); - } +var constant$2 = function(x) { + return function constant() { + return x; + }; +} + +var epsilon$1 = 1e-12; +var pi$2 = Math.PI; +var halfPi$1 = pi$2 / 2; +var tau$2 = 2 * pi$2; + +function arcInnerRadius(d) { + return d.innerRadius; +} + +function arcOuterRadius(d) { + return d.outerRadius; +} + +function arcStartAngle(d) { + return d.startAngle; +} + +function arcEndAngle(d) { + return d.endAngle; +} + +function arcPadAngle(d) { + return d && d.padAngle; // Note: optional! +} + +function asin(x) { + return x >= 1 ? halfPi$1 : x <= -1 ? -halfPi$1 : Math.asin(x); +} + +function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { + var x10 = x1 - x0, y10 = y1 - y0, + x32 = x3 - x2, y32 = y3 - y2, + t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / (y32 * x10 - x32 * y10); + return [x0 + t * x10, y0 + t * y10]; +} + +// Compute perpendicular offset line of length rc. +// http://mathworld.wolfram.com/Circle-LineIntersection.html +function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { + var x01 = x0 - x1, + y01 = y0 - y1, + lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), + ox = lo * y01, + oy = -lo * x01, + x11 = x0 + ox, + y11 = y0 + oy, + x10 = x1 + ox, + y10 = y1 + oy, + x00 = (x11 + x10) / 2, + y00 = (y11 + y10) / 2, + dx = x10 - x11, + dy = y10 - y11, + d2 = dx * dx + dy * dy, + r = r1 - rc, + D = x11 * y10 - x10 * y11, + d = (dy < 0 ? -1 : 1) * Math.sqrt(Math.max(0, r * r * d2 - D * D)), + cx0 = (D * dy - dx * d) / d2, + cy0 = (-D * dx - dy * d) / d2, + cx1 = (D * dy + dx * d) / d2, + cy1 = (-D * dx + dy * d) / d2, + dx0 = cx0 - x00, + dy0 = cy0 - y00, + dx1 = cx1 - x00, + dy1 = cy1 - y00; + + // Pick the closer of the two intersection points. + // TODO Is there a faster way to determine which intersection to use? + if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; + + return { + cx: cx0, + cy: cy0, + x01: -ox, + y01: -oy, + x11: cx0 * (r1 / r - 1), + y11: cy0 * (r1 / r - 1) + }; +} + +var arc = function() { + var innerRadius = arcInnerRadius, + outerRadius = arcOuterRadius, + cornerRadius = constant$2(0), + padRadius = null, + startAngle = arcStartAngle, + endAngle = arcEndAngle, + padAngle = arcPadAngle, + context = null; - this._.push( - "A", r, ",", r, ",0,0,", +(y01 * x20 > x01 * y20), ",", this._x1 = x1 + t21 * x21, ",", this._y1 = y1 + t21 * y21 - ); - } - }, - arc: function(x, y, r, a0, a1, ccw) { - x = +x, y = +y, r = +r; - var dx = r * Math.cos(a0), - dy = r * Math.sin(a0), - x0 = x + dx, - y0 = y + dy, - cw = 1 ^ ccw, - da = ccw ? a0 - a1 : a1 - a0; - - // Is the radius negative? Error. - if (r < 0) throw new Error("negative radius: " + r); - - // Is this path empty? Move to (x0,y0). - if (this._x1 === null) { - this._.push( - "M", x0, ",", y0 - ); - } + function arc() { + var buffer, + r, + r0 = +innerRadius.apply(this, arguments), + r1 = +outerRadius.apply(this, arguments), + a0 = startAngle.apply(this, arguments) - halfPi$1, + a1 = endAngle.apply(this, arguments) - halfPi$1, + da = Math.abs(a1 - a0), + cw = a1 > a0; - // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). - else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) { - this._.push( - "L", x0, ",", y0 - ); - } + if (!context) context = buffer = path(); - // Is this arc empty? We’re done. - if (!r) return; + // Ensure that the outer radius is always larger than the inner radius. + if (r1 < r0) r = r1, r1 = r0, r0 = r; - // Is this a complete circle? Draw two arcs to complete the circle. - if (da > tauEpsilon) { - this._.push( - "A", r, ",", r, ",0,1,", cw, ",", x - dx, ",", y - dy, - "A", r, ",", r, ",0,1,", cw, ",", this._x1 = x0, ",", this._y1 = y0 - ); - } + // Is it a point? + if (!(r1 > epsilon$1)) context.moveTo(0, 0); - // Otherwise, draw an arc! - else { - if (da < 0) da = da % tau$1 + tau$1; - this._.push( - "A", r, ",", r, ",0,", +(da >= pi$1), ",", cw, ",", this._x1 = x + r * Math.cos(a1), ",", this._y1 = y + r * Math.sin(a1) - ); + // Or is it a circle or annulus? + else if (da > tau$2 - epsilon$1) { + context.moveTo(r1 * Math.cos(a0), r1 * Math.sin(a0)); + context.arc(0, 0, r1, a0, a1, !cw); + if (r0 > epsilon$1) { + context.moveTo(r0 * Math.cos(a1), r0 * Math.sin(a1)); + context.arc(0, 0, r0, a1, a0, cw); } - }, - rect: function(x, y, w, h) { - this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y, "h", +w, "v", +h, "h", -w, "Z"); - }, - toString: function() { - return this._.join(""); } - }; - - function tree_add(d) { - var x = +this._x.call(null, d), - y = +this._y.call(null, d); - return add(this.cover(x, y), x, y, d); - } - function add(tree, x, y, d) { - if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points + // Or is it a circular or annular sector? + else { + var a01 = a0, + a11 = a1, + a00 = a0, + a10 = a1, + da0 = da, + da1 = da, + ap = padAngle.apply(this, arguments) / 2, + rp = (ap > epsilon$1) && (padRadius ? +padRadius.apply(this, arguments) : Math.sqrt(r0 * r0 + r1 * r1)), + rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments)), + rc0 = rc, + rc1 = rc, + t0, + t1; - var parent, - node = tree._root, - leaf = {data: d}, - x0 = tree._x0, - y0 = tree._y0, - x1 = tree._x1, - y1 = tree._y1, - xm, - ym, - xp, - yp, - right, - bottom, - i, - j; + // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0. + if (rp > epsilon$1) { + var p0 = asin(rp / r0 * Math.sin(ap)), + p1 = asin(rp / r1 * Math.sin(ap)); + if ((da0 -= p0 * 2) > epsilon$1) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0; + else da0 = 0, a00 = a10 = (a0 + a1) / 2; + if ((da1 -= p1 * 2) > epsilon$1) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1; + else da1 = 0, a01 = a11 = (a0 + a1) / 2; + } - // If the tree is empty, initialize the root as a leaf. - if (!node) return tree._root = leaf, tree; + var x01 = r1 * Math.cos(a01), + y01 = r1 * Math.sin(a01), + x10 = r0 * Math.cos(a10), + y10 = r0 * Math.sin(a10); - // Find the existing leaf for the new point, or add it. - while (node.length) { - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree; - } + // Apply rounded corners? + if (rc > epsilon$1) { + var x11 = r1 * Math.cos(a11), + y11 = r1 * Math.sin(a11), + x00 = r0 * Math.cos(a00), + y00 = r0 * Math.sin(a00); - // Is the new point is exactly coincident with the existing point? - xp = +tree._x.call(null, node.data); - yp = +tree._y.call(null, node.data); - if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree; + // Restrict the corner radius according to the sector angle. + if (da < pi$2) { + var oc = da0 > epsilon$1 ? intersect(x01, y01, x00, y00, x11, y11, x10, y10) : [x10, y10], + ax = x01 - oc[0], + ay = y01 - oc[1], + bx = x11 - oc[0], + by = y11 - oc[1], + kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), + lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]); + rc0 = Math.min(rc, (r0 - lc) / (kc - 1)); + rc1 = Math.min(rc, (r1 - lc) / (kc + 1)); + } + } - // Otherwise, split the leaf node until the old and new point are separated. - do { - parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4); - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm))); - return parent[j] = node, parent[i] = leaf, tree; - } + // Is the sector collapsed to a line? + if (!(da1 > epsilon$1)) context.moveTo(x01, y01); - function addAll(data) { - var d, i, n = data.length, - x, - y, - xz = new Array(n), - yz = new Array(n), - x0 = Infinity, - y0 = Infinity, - x1 = -Infinity, - y1 = -Infinity; - - // Compute the points and their extent. - for (i = 0; i < n; ++i) { - if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue; - xz[i] = x; - yz[i] = y; - if (x < x0) x0 = x; - if (x > x1) x1 = x; - if (y < y0) y0 = y; - if (y > y1) y1 = y; - } + // Does the sector’s outer ring have rounded corners? + else if (rc1 > epsilon$1) { + t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw); + t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw); - // If there were no (valid) points, inherit the existing extent. - if (x1 < x0) x0 = this._x0, x1 = this._x1; - if (y1 < y0) y0 = this._y0, y1 = this._y1; + context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01); - // Expand the tree to cover the new points. - this.cover(x0, y0).cover(x1, y1); + // Have the corners merged? + if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw); - // Add the new points. - for (i = 0; i < n; ++i) { - add(this, xz[i], yz[i], data[i]); - } + // Otherwise, draw the two corners and the ring. + else { + context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw); + context.arc(0, 0, r1, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), !cw); + context.arc(t1.cx, t1.cy, rc1, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw); + } + } - return this; - } + // Or is the outer ring just a circular arc? + else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw); - function tree_cover(x, y) { - if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points + // Is there no inner ring, and it’s a circular sector? + // Or perhaps it’s an annular sector collapsed due to padding? + if (!(r0 > epsilon$1) || !(da0 > epsilon$1)) context.lineTo(x10, y10); - var x0 = this._x0, - y0 = this._y0, - x1 = this._x1, - y1 = this._y1; + // Does the sector’s inner ring (or point) have rounded corners? + else if (rc0 > epsilon$1) { + t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw); + t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw); - // If the quadtree has no extent, initialize them. - // Integer extent are necessary so that if we later double the extent, - // the existing quadrant boundaries don’t change due to floating point error! - if (isNaN(x0)) { - x1 = (x0 = Math.floor(x)) + 1; - y1 = (y0 = Math.floor(y)) + 1; - } + context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01); - // Otherwise, double repeatedly to cover. - else if (x0 > x || x > x1 || y0 > y || y > y1) { - var z = x1 - x0, - node = this._root, - parent, - i; + // Have the corners merged? + if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw); - switch (i = (y < (y0 + y1) / 2) << 1 | (x < (x0 + x1) / 2)) { - case 0: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x1 = x0 + z, y1 = y0 + z, x > x1 || y > y1); - break; - } - case 1: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x0 = x1 - z, y1 = y0 + z, x0 > x || y > y1); - break; - } - case 2: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x1 = x0 + z, y0 = y1 - z, x > x1 || y0 > y); - break; - } - case 3: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x0 = x1 - z, y0 = y1 - z, x0 > x || y0 > y); - break; + // Otherwise, draw the two corners and the ring. + else { + context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw); + context.arc(0, 0, r0, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), cw); + context.arc(t1.cx, t1.cy, rc0, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw); } } - if (this._root && this._root.length) this._root = node; + // Or is the inner ring just a circular arc? + else context.arc(0, 0, r0, a10, a00, cw); } - // If the quadtree covers the point already, just return. - else return this; + context.closePath(); - this._x0 = x0; - this._y0 = y0; - this._x1 = x1; - this._y1 = y1; - return this; + if (buffer) return context = null, buffer + "" || null; } - function tree_data() { - var data = []; - this.visit(function(node) { - if (!node.length) do data.push(node.data); while (node = node.next) - }); - return data; - } + arc.centroid = function() { + var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, + a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi$2 / 2; + return [Math.cos(a) * r, Math.sin(a) * r]; + }; - function tree_extent(_) { - return arguments.length - ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) - : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; - } + arc.innerRadius = function(_) { + return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$2(+_), arc) : innerRadius; + }; - function Quad(node, x0, y0, x1, y1) { - this.node = node; - this.x0 = x0; - this.y0 = y0; - this.x1 = x1; - this.y1 = y1; - } + arc.outerRadius = function(_) { + return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$2(+_), arc) : outerRadius; + }; - function tree_find(x, y, radius) { - var data, - x0 = this._x0, - y0 = this._y0, - x1, - y1, - x2, - y2, - x3 = this._x1, - y3 = this._y1, - quads = [], - node = this._root, - q, - i; + arc.cornerRadius = function(_) { + return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$2(+_), arc) : cornerRadius; + }; - if (node) quads.push(new Quad(node, x0, y0, x3, y3)); - if (radius == null) radius = Infinity; - else { - x0 = x - radius, y0 = y - radius; - x3 = x + radius, y3 = y + radius; - radius *= radius; - } - - while (q = quads.pop()) { - - // Stop searching if this quadrant can’t contain a closer node. - if (!(node = q.node) - || (x1 = q.x0) > x3 - || (y1 = q.y0) > y3 - || (x2 = q.x1) < x0 - || (y2 = q.y1) < y0) continue; - - // Bisect the current quadrant. - if (node.length) { - var xm = (x1 + x2) / 2, - ym = (y1 + y2) / 2; - - quads.push( - new Quad(node[3], xm, ym, x2, y2), - new Quad(node[2], x1, ym, xm, y2), - new Quad(node[1], xm, y1, x2, ym), - new Quad(node[0], x1, y1, xm, ym) - ); + arc.padRadius = function(_) { + return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$2(+_), arc) : padRadius; + }; - // Visit the closest quadrant first. - if (i = (y >= ym) << 1 | (x >= xm)) { - q = quads[quads.length - 1]; - quads[quads.length - 1] = quads[quads.length - 1 - i]; - quads[quads.length - 1 - i] = q; - } - } + arc.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$2(+_), arc) : startAngle; + }; - // Visit this point. (Visiting coincident points isn’t necessary!) - else { - var dx = x - +this._x.call(null, node.data), - dy = y - +this._y.call(null, node.data), - d2 = dx * dx + dy * dy; - if (d2 < radius) { - var d = Math.sqrt(radius = d2); - x0 = x - d, y0 = y - d; - x3 = x + d, y3 = y + d; - data = node.data; - } - } - } + arc.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$2(+_), arc) : endAngle; + }; - return data; - } + arc.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$2(+_), arc) : padAngle; + }; - function tree_remove(d) { - if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points + arc.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), arc) : context; + }; - var parent, - node = this._root, - retainer, - previous, - next, - x0 = this._x0, - y0 = this._y0, - x1 = this._x1, - y1 = this._y1, - x, - y, - xm, - ym, - right, - bottom, - i, - j; + return arc; +} + +function Linear(context) { + this._context = context; +} + +Linear.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; // proceed + default: this._context.lineTo(x, y); break; + } + } +}; + +var curveLinear = function(context) { + return new Linear(context); +} + +function x(p) { + return p[0]; +} + +function y(p) { + return p[1]; +} + +var line = function() { + var x$$1 = x, + y$$1 = y, + defined = constant$2(true), + context = null, + curve = curveLinear, + output = null; + + function line(data) { + var i, + n = data.length, + d, + defined0 = false, + buffer; - // If the tree is empty, initialize the root as a leaf. - if (!node) return this; + if (context == null) output = curve(buffer = path()); - // Find the leaf node for the point. - // While descending, also retain the deepest parent with a non-removed sibling. - if (node.length) while (true) { - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - if (!(parent = node, node = node[i = bottom << 1 | right])) return this; - if (!node.length) break; - if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i; + for (i = 0; i <= n; ++i) { + if (!(i < n && defined(d = data[i], i, data)) === defined0) { + if (defined0 = !defined0) output.lineStart(); + else output.lineEnd(); + } + if (defined0) output.point(+x$$1(d, i, data), +y$$1(d, i, data)); } - // Find the point to remove. - while (node.data !== d) if (!(previous = node, node = node.next)) return this; - if (next = node.next) delete node.next; - - // If there are multiple coincident points, remove just the point. - if (previous) return (next ? previous.next = next : delete previous.next), this; + if (buffer) return output = null, buffer + "" || null; + } - // If this is the root point, remove it. - if (!parent) return this._root = next, this; + line.x = function(_) { + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$2(+_), line) : x$$1; + }; - // Remove this leaf. - next ? parent[i] = next : delete parent[i]; + line.y = function(_) { + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$2(+_), line) : y$$1; + }; - // If the parent now contains exactly one leaf, collapse superfluous parents. - if ((node = parent[0] || parent[1] || parent[2] || parent[3]) - && node === (parent[3] || parent[2] || parent[1] || parent[0]) - && !node.length) { - if (retainer) retainer[j] = node; - else this._root = node; - } + line.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$2(!!_), line) : defined; + }; - return this; - } + line.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; + }; - function removeAll(data) { - for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); - return this; - } + line.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; + }; - function tree_root() { - return this._root; - } + return line; +} - function tree_size() { - var size = 0; - this.visit(function(node) { - if (!node.length) do ++size; while (node = node.next) - }); - return size; - } +var area$1 = function() { + var x0 = x, + x1 = null, + y0 = constant$2(0), + y1 = y, + defined = constant$2(true), + context = null, + curve = curveLinear, + output = null; - function tree_visit(callback) { - var quads = [], q, node = this._root, child, x0, y0, x1, y1; - if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); - while (q = quads.pop()) { - if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) { - var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; - if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); - if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); - if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); - if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); + function area(data) { + var i, + j, + k, + n = data.length, + d, + defined0 = false, + buffer, + x0z = new Array(n), + y0z = new Array(n); + + if (context == null) output = curve(buffer = path()); + + for (i = 0; i <= n; ++i) { + if (!(i < n && defined(d = data[i], i, data)) === defined0) { + if (defined0 = !defined0) { + j = i; + output.areaStart(); + output.lineStart(); + } else { + output.lineEnd(); + output.lineStart(); + for (k = i - 1; k >= j; --k) { + output.point(x0z[k], y0z[k]); + } + output.lineEnd(); + output.areaEnd(); + } } - } - return this; - } - - function tree_visitAfter(callback) { - var quads = [], next = [], q; - if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); - while (q = quads.pop()) { - var node = q.node; - if (node.length) { - var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; - if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); - if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); - if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); - if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); + if (defined0) { + x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data); + output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]); } - next.push(q); - } - while (q = next.pop()) { - callback(q.node, q.x0, q.y0, q.x1, q.y1); } - return this; - } - function defaultX(d) { - return d[0]; + if (buffer) return output = null, buffer + "" || null; } - function tree_x(_) { - return arguments.length ? (this._x = _, this) : this._x; + function arealine() { + return line().defined(defined).curve(curve).context(context); } - function defaultY(d) { - return d[1]; - } + area.x = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$2(+_), x1 = null, area) : x0; + }; - function tree_y(_) { - return arguments.length ? (this._y = _, this) : this._y; - } + area.x0 = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$2(+_), area) : x0; + }; - function quadtree(nodes, x, y) { - var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); - return nodes == null ? tree : tree.addAll(nodes); - } + area.x1 = function(_) { + return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$2(+_), area) : x1; + }; - function Quadtree(x, y, x0, y0, x1, y1) { - this._x = x; - this._y = y; - this._x0 = x0; - this._y0 = y0; - this._x1 = x1; - this._y1 = y1; - this._root = undefined; - } + area.y = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$2(+_), y1 = null, area) : y0; + }; - function leaf_copy(leaf) { - var copy = {data: leaf.data}, next = copy; - while (leaf = leaf.next) next = next.next = {data: leaf.data}; - return copy; - } + area.y0 = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$2(+_), area) : y0; + }; - var treeProto = quadtree.prototype = Quadtree.prototype; + area.y1 = function(_) { + return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$2(+_), area) : y1; + }; - treeProto.copy = function() { - var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), - node = this._root, - nodes, - child; + area.lineX0 = + area.lineY0 = function() { + return arealine().x(x0).y(y0); + }; - if (!node) return copy; + area.lineY1 = function() { + return arealine().x(x0).y(y1); + }; - if (!node.length) return copy._root = leaf_copy(node), copy; + area.lineX1 = function() { + return arealine().x(x1).y(y0); + }; - nodes = [{source: node, target: copy._root = new Array(4)}]; - while (node = nodes.pop()) { - for (var i = 0; i < 4; ++i) { - if (child = node.source[i]) { - if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)}); - else node.target[i] = leaf_copy(child); - } - } - } + area.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$2(!!_), area) : defined; + }; - return copy; - }; - - treeProto.add = tree_add; - treeProto.addAll = addAll; - treeProto.cover = tree_cover; - treeProto.data = tree_data; - treeProto.extent = tree_extent; - treeProto.find = tree_find; - treeProto.remove = tree_remove; - treeProto.removeAll = removeAll; - treeProto.root = tree_root; - treeProto.size = tree_size; - treeProto.visit = tree_visit; - treeProto.visitAfter = tree_visitAfter; - treeProto.x = tree_x; - treeProto.y = tree_y; - - var slice$1 = [].slice; - - var noabort = {}; - - function Queue(size) { - if (!(size >= 1)) throw new Error; - this._size = size; - this._call = - this._error = null; - this._tasks = []; - this._data = []; - this._waiting = - this._active = - this._ended = - this._start = 0; // inside a synchronous task callback? - } - - Queue.prototype = queue.prototype = { - constructor: Queue, - defer: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; - if (this._error != null) return this; - var t = slice$1.call(arguments, 1); - t.push(callback); - ++this._waiting, this._tasks.push(t); - poke(this); - return this; - }, - abort: function() { - if (this._error == null) abort(this, new Error("abort")); - return this; - }, - await: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; - this._call = function(error, results) { callback.apply(null, [error].concat(results)); }; - maybeNotify(this); - return this; - }, - awaitAll: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; - this._call = callback; - maybeNotify(this); - return this; - } + area.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; }; - function poke(q) { - if (!q._start) try { start(q); } // let the current task complete - catch (e) { if (q._tasks[q._ended + q._active - 1]) abort(q, e); } // task errored synchronously - } + area.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; + }; - function start(q) { - while (q._start = q._waiting && q._active < q._size) { - var i = q._ended + q._active, - t = q._tasks[i], - j = t.length - 1, - c = t[j]; - t[j] = end(q, i); - --q._waiting, ++q._active; - t = c.apply(null, t); - if (!q._tasks[i]) continue; // task finished synchronously - q._tasks[i] = t || noabort; - } - } + return area; +} - function end(q, i) { - return function(e, r) { - if (!q._tasks[i]) return; // ignore multiple callbacks - --q._active, ++q._ended; - q._tasks[i] = null; - if (q._error != null) return; // ignore secondary errors - if (e != null) { - abort(q, e); - } else { - q._data[i] = r; - if (q._waiting) poke(q); - else maybeNotify(q); - } - }; - } +var descending$1 = function(a, b) { + return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; +} - function abort(q, e) { - var i = q._tasks.length, t; - q._error = e; // ignore active callbacks - q._data = undefined; // allow gc - q._waiting = NaN; // prevent starting +var identity$1 = function(d) { + return d; +} - while (--i >= 0) { - if (t = q._tasks[i]) { - q._tasks[i] = null; - if (t.abort) try { t.abort(); } - catch (e) { /* ignore */ } +var pie = function() { + var value = identity$1, + sortValues = descending$1, + sort = null, + startAngle = constant$2(0), + endAngle = constant$2(tau$2), + padAngle = constant$2(0); + + function pie(data) { + var i, + n = data.length, + j, + k, + sum = 0, + index = new Array(n), + arcs = new Array(n), + a0 = +startAngle.apply(this, arguments), + da = Math.min(tau$2, Math.max(-tau$2, endAngle.apply(this, arguments) - a0)), + a1, + p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)), + pa = p * (da < 0 ? -1 : 1), + v; + + for (i = 0; i < n; ++i) { + if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) { + sum += v; } } - q._active = NaN; // allow notification - maybeNotify(q); - } + // Optionally sort the arcs by previously-computed values or by data. + if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); }); + else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); }); - function maybeNotify(q) { - if (!q._active && q._call) q._call(q._error, q._data); - } + // Compute the arcs! They are stored in the original data's order. + for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) { + j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = { + data: data[j], + index: i, + value: v, + startAngle: a0, + endAngle: a1, + padAngle: p + }; + } - function queue(concurrency) { - return new Queue(arguments.length ? +concurrency : Infinity); + return arcs; } - function constant$1(x) { - return function constant() { - return x; - }; - } + pie.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant$2(+_), pie) : value; + }; - var epsilon$1 = 1e-12; - var pi$2 = Math.PI; - var halfPi$1 = pi$2 / 2; - var tau$2 = 2 * pi$2; + pie.sortValues = function(_) { + return arguments.length ? (sortValues = _, sort = null, pie) : sortValues; + }; - function arcInnerRadius(d) { - return d.innerRadius; - } + pie.sort = function(_) { + return arguments.length ? (sort = _, sortValues = null, pie) : sort; + }; - function arcOuterRadius(d) { - return d.outerRadius; - } + pie.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$2(+_), pie) : startAngle; + }; - function arcStartAngle(d) { - return d.startAngle; - } + pie.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$2(+_), pie) : endAngle; + }; - function arcEndAngle(d) { - return d.endAngle; - } + pie.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$2(+_), pie) : padAngle; + }; - function arcPadAngle(d) { - return d && d.padAngle; // Note: optional! - } + return pie; +} - function asin(x) { - return x >= 1 ? halfPi$1 : x <= -1 ? -halfPi$1 : Math.asin(x); - } +var curveRadialLinear = curveRadial(curveLinear); - function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { - var x10 = x1 - x0, y10 = y1 - y0, - x32 = x3 - x2, y32 = y3 - y2, - t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / (y32 * x10 - x32 * y10); - return [x0 + t * x10, y0 + t * y10]; +function Radial(curve) { + this._curve = curve; +} + +Radial.prototype = { + areaStart: function() { + this._curve.areaStart(); + }, + areaEnd: function() { + this._curve.areaEnd(); + }, + lineStart: function() { + this._curve.lineStart(); + }, + lineEnd: function() { + this._curve.lineEnd(); + }, + point: function(a, r) { + this._curve.point(r * Math.sin(a), r * -Math.cos(a)); } +}; - // Compute perpendicular offset line of length rc. - // http://mathworld.wolfram.com/Circle-LineIntersection.html - function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { - var x01 = x0 - x1, - y01 = y0 - y1, - lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), - ox = lo * y01, - oy = -lo * x01, - x11 = x0 + ox, - y11 = y0 + oy, - x10 = x1 + ox, - y10 = y1 + oy, - x00 = (x11 + x10) / 2, - y00 = (y11 + y10) / 2, - dx = x10 - x11, - dy = y10 - y11, - d2 = dx * dx + dy * dy, - r = r1 - rc, - D = x11 * y10 - x10 * y11, - d = (dy < 0 ? -1 : 1) * Math.sqrt(Math.max(0, r * r * d2 - D * D)), - cx0 = (D * dy - dx * d) / d2, - cy0 = (-D * dx - dy * d) / d2, - cx1 = (D * dy + dx * d) / d2, - cy1 = (-D * dx + dy * d) / d2, - dx0 = cx0 - x00, - dy0 = cy0 - y00, - dx1 = cx1 - x00, - dy1 = cy1 - y00; - - // Pick the closer of the two intersection points. - // TODO Is there a faster way to determine which intersection to use? - if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; +function curveRadial(curve) { - return { - cx: cx0, - cy: cy0, - x01: -ox, - y01: -oy, - x11: cx0 * (r1 / r - 1), - y11: cy0 * (r1 / r - 1) - }; + function radial(context) { + return new Radial(curve(context)); } - function arc() { - var innerRadius = arcInnerRadius, - outerRadius = arcOuterRadius, - cornerRadius = constant$1(0), - padRadius = null, - startAngle = arcStartAngle, - endAngle = arcEndAngle, - padAngle = arcPadAngle, - context = null; - - function arc() { - var buffer, - r, - r0 = +innerRadius.apply(this, arguments), - r1 = +outerRadius.apply(this, arguments), - a0 = startAngle.apply(this, arguments) - halfPi$1, - a1 = endAngle.apply(this, arguments) - halfPi$1, - da = Math.abs(a1 - a0), - cw = a1 > a0; - - if (!context) context = buffer = path(); - - // Ensure that the outer radius is always larger than the inner radius. - if (r1 < r0) r = r1, r1 = r0, r0 = r; - - // Is it a point? - if (!(r1 > epsilon$1)) context.moveTo(0, 0); - - // Or is it a circle or annulus? - else if (da > tau$2 - epsilon$1) { - context.moveTo(r1 * Math.cos(a0), r1 * Math.sin(a0)); - context.arc(0, 0, r1, a0, a1, !cw); - if (r0 > epsilon$1) { - context.moveTo(r0 * Math.cos(a1), r0 * Math.sin(a1)); - context.arc(0, 0, r0, a1, a0, cw); - } - } + radial._curve = curve; - // Or is it a circular or annular sector? - else { - var a01 = a0, - a11 = a1, - a00 = a0, - a10 = a1, - da0 = da, - da1 = da, - ap = padAngle.apply(this, arguments) / 2, - rp = (ap > epsilon$1) && (padRadius ? +padRadius.apply(this, arguments) : Math.sqrt(r0 * r0 + r1 * r1)), - rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments)), - rc0 = rc, - rc1 = rc, - t0, - t1; - - // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0. - if (rp > epsilon$1) { - var p0 = asin(rp / r0 * Math.sin(ap)), - p1 = asin(rp / r1 * Math.sin(ap)); - if ((da0 -= p0 * 2) > epsilon$1) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0; - else da0 = 0, a00 = a10 = (a0 + a1) / 2; - if ((da1 -= p1 * 2) > epsilon$1) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1; - else da1 = 0, a01 = a11 = (a0 + a1) / 2; - } + return radial; +} - var x01 = r1 * Math.cos(a01), - y01 = r1 * Math.sin(a01), - x10 = r0 * Math.cos(a10), - y10 = r0 * Math.sin(a10); - - // Apply rounded corners? - if (rc > epsilon$1) { - var x11 = r1 * Math.cos(a11), - y11 = r1 * Math.sin(a11), - x00 = r0 * Math.cos(a00), - y00 = r0 * Math.sin(a00); - - // Restrict the corner radius according to the sector angle. - if (da < pi$2) { - var oc = da0 > epsilon$1 ? intersect(x01, y01, x00, y00, x11, y11, x10, y10) : [x10, y10], - ax = x01 - oc[0], - ay = y01 - oc[1], - bx = x11 - oc[0], - by = y11 - oc[1], - kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), - lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]); - rc0 = Math.min(rc, (r0 - lc) / (kc - 1)); - rc1 = Math.min(rc, (r1 - lc) / (kc + 1)); - } - } +function radialLine(l) { + var c = l.curve; - // Is the sector collapsed to a line? - if (!(da1 > epsilon$1)) context.moveTo(x01, y01); + l.angle = l.x, delete l.x; + l.radius = l.y, delete l.y; - // Does the sector’s outer ring have rounded corners? - else if (rc1 > epsilon$1) { - t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw); - t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw); + l.curve = function(_) { + return arguments.length ? c(curveRadial(_)) : c()._curve; + }; - context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01); + return l; +} + +var radialLine$1 = function() { + return radialLine(line().curve(curveRadialLinear)); +} + +var radialArea = function() { + var a = area$1().curve(curveRadialLinear), + c = a.curve, + x0 = a.lineX0, + x1 = a.lineX1, + y0 = a.lineY0, + y1 = a.lineY1; + + a.angle = a.x, delete a.x; + a.startAngle = a.x0, delete a.x0; + a.endAngle = a.x1, delete a.x1; + a.radius = a.y, delete a.y; + a.innerRadius = a.y0, delete a.y0; + a.outerRadius = a.y1, delete a.y1; + a.lineStartAngle = function() { return radialLine(x0()); }, delete a.lineX0; + a.lineEndAngle = function() { return radialLine(x1()); }, delete a.lineX1; + a.lineInnerRadius = function() { return radialLine(y0()); }, delete a.lineY0; + a.lineOuterRadius = function() { return radialLine(y1()); }, delete a.lineY1; + + a.curve = function(_) { + return arguments.length ? c(curveRadial(_)) : c()._curve; + }; - // Have the corners merged? - if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw); + return a; +} + +var circle = { + draw: function(context, size) { + var r = Math.sqrt(size / pi$2); + context.moveTo(r, 0); + context.arc(0, 0, r, 0, tau$2); + } +}; + +var cross$1 = { + draw: function(context, size) { + var r = Math.sqrt(size / 5) / 2; + context.moveTo(-3 * r, -r); + context.lineTo(-r, -r); + context.lineTo(-r, -3 * r); + context.lineTo(r, -3 * r); + context.lineTo(r, -r); + context.lineTo(3 * r, -r); + context.lineTo(3 * r, r); + context.lineTo(r, r); + context.lineTo(r, 3 * r); + context.lineTo(-r, 3 * r); + context.lineTo(-r, r); + context.lineTo(-3 * r, r); + context.closePath(); + } +}; + +var tan30 = Math.sqrt(1 / 3); +var tan30_2 = tan30 * 2; + +var diamond = { + draw: function(context, size) { + var y = Math.sqrt(size / tan30_2), + x = y * tan30; + context.moveTo(0, -y); + context.lineTo(x, 0); + context.lineTo(0, y); + context.lineTo(-x, 0); + context.closePath(); + } +}; + +var ka = 0.89081309152928522810; +var kr = Math.sin(pi$2 / 10) / Math.sin(7 * pi$2 / 10); +var kx = Math.sin(tau$2 / 10) * kr; +var ky = -Math.cos(tau$2 / 10) * kr; + +var star = { + draw: function(context, size) { + var r = Math.sqrt(size * ka), + x = kx * r, + y = ky * r; + context.moveTo(0, -r); + context.lineTo(x, y); + for (var i = 1; i < 5; ++i) { + var a = tau$2 * i / 5, + c = Math.cos(a), + s = Math.sin(a); + context.lineTo(s * r, -c * r); + context.lineTo(c * x - s * y, s * x + c * y); + } + context.closePath(); + } +}; + +var square = { + draw: function(context, size) { + var w = Math.sqrt(size), + x = -w / 2; + context.rect(x, x, w, w); + } +}; + +var sqrt3 = Math.sqrt(3); + +var triangle = { + draw: function(context, size) { + var y = -Math.sqrt(size / (sqrt3 * 3)); + context.moveTo(0, y * 2); + context.lineTo(-sqrt3 * y, -y); + context.lineTo(sqrt3 * y, -y); + context.closePath(); + } +}; + +var c = -0.5; +var s = Math.sqrt(3) / 2; +var k = 1 / Math.sqrt(12); +var a = (k / 2 + 1) * 3; + +var wye = { + draw: function(context, size) { + var r = Math.sqrt(size / a), + x0 = r / 2, + y0 = r * k, + x1 = x0, + y1 = r * k + r, + x2 = -x1, + y2 = y1; + context.moveTo(x0, y0); + context.lineTo(x1, y1); + context.lineTo(x2, y2); + context.lineTo(c * x0 - s * y0, s * x0 + c * y0); + context.lineTo(c * x1 - s * y1, s * x1 + c * y1); + context.lineTo(c * x2 - s * y2, s * x2 + c * y2); + context.lineTo(c * x0 + s * y0, c * y0 - s * x0); + context.lineTo(c * x1 + s * y1, c * y1 - s * x1); + context.lineTo(c * x2 + s * y2, c * y2 - s * x2); + context.closePath(); + } +}; + +var symbols = [ + circle, + cross$1, + diamond, + square, + star, + triangle, + wye +]; + +var symbol = function() { + var type = constant$2(circle), + size = constant$2(64), + context = null; - // Otherwise, draw the two corners and the ring. - else { - context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw); - context.arc(0, 0, r1, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), !cw); - context.arc(t1.cx, t1.cy, rc1, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw); - } - } + function symbol() { + var buffer; + if (!context) context = buffer = path(); + type.apply(this, arguments).draw(context, +size.apply(this, arguments)); + if (buffer) return context = null, buffer + "" || null; + } - // Or is the outer ring just a circular arc? - else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw); + symbol.type = function(_) { + return arguments.length ? (type = typeof _ === "function" ? _ : constant$2(_), symbol) : type; + }; - // Is there no inner ring, and it’s a circular sector? - // Or perhaps it’s an annular sector collapsed due to padding? - if (!(r0 > epsilon$1) || !(da0 > epsilon$1)) context.lineTo(x10, y10); + symbol.size = function(_) { + return arguments.length ? (size = typeof _ === "function" ? _ : constant$2(+_), symbol) : size; + }; - // Does the sector’s inner ring (or point) have rounded corners? - else if (rc0 > epsilon$1) { - t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw); - t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw); + symbol.context = function(_) { + return arguments.length ? (context = _ == null ? null : _, symbol) : context; + }; - context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01); + return symbol; +} - // Have the corners merged? - if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw); +var noop = function() {} - // Otherwise, draw the two corners and the ring. - else { - context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw); - context.arc(0, 0, r0, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), cw); - context.arc(t1.cx, t1.cy, rc0, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw); - } - } - - // Or is the inner ring just a circular arc? - else context.arc(0, 0, r0, a10, a00, cw); +function point(that, x, y) { + that._context.bezierCurveTo( + (2 * that._x0 + that._x1) / 3, + (2 * that._y0 + that._y1) / 3, + (that._x0 + 2 * that._x1) / 3, + (that._y0 + 2 * that._y1) / 3, + (that._x0 + 4 * that._x1 + x) / 6, + (that._y0 + 4 * that._y1 + y) / 6 + ); +} + +function Basis(context) { + this._context = context; +} + +Basis.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 3: point(this, this._x1, this._y1); // proceed + case 2: this._context.lineTo(this._x1, this._y1); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed + default: point(this, x, y); break; + } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + } +}; + +var basis = function(context) { + return new Basis(context); +} + +function BasisClosed(context) { + this._context = context; +} + +BasisClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x2, this._y2); + this._context.closePath(); + break; + } + case 2: { + this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3); + this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x2, this._y2); + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + break; } - - context.closePath(); - - if (buffer) return context = null, buffer + "" || null; } + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._x2 = x, this._y2 = y; break; + case 1: this._point = 2; this._x3 = x, this._y3 = y; break; + case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break; + default: point(this, x, y); break; + } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + } +}; + +var basisClosed = function(context) { + return new BasisClosed(context); +} + +function BasisOpen(context) { + this._context = context; +} + +BasisOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = NaN; + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; + case 3: this._point = 4; // proceed + default: point(this, x, y); break; + } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + } +}; + +var basisOpen = function(context) { + return new BasisOpen(context); +} + +function Bundle(context, beta) { + this._basis = new Basis(context); + this._beta = beta; +} + +Bundle.prototype = { + lineStart: function() { + this._x = []; + this._y = []; + this._basis.lineStart(); + }, + lineEnd: function() { + var x = this._x, + y = this._y, + j = x.length - 1; + + if (j > 0) { + var x0 = x[0], + y0 = y[0], + dx = x[j] - x0, + dy = y[j] - y0, + i = -1, + t; - arc.centroid = function() { - var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, - a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi$2 / 2; - return [Math.cos(a) * r, Math.sin(a) * r]; - }; - - arc.innerRadius = function(_) { - return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : innerRadius; - }; - - arc.outerRadius = function(_) { - return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : outerRadius; - }; - - arc.cornerRadius = function(_) { - return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : cornerRadius; - }; - - arc.padRadius = function(_) { - return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), arc) : padRadius; - }; - - arc.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : startAngle; - }; - - arc.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : endAngle; - }; + while (++i <= j) { + t = i / j; + this._basis.point( + this._beta * x[i] + (1 - this._beta) * (x0 + t * dx), + this._beta * y[i] + (1 - this._beta) * (y0 + t * dy) + ); + } + } - arc.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : padAngle; - }; + this._x = this._y = null; + this._basis.lineEnd(); + }, + point: function(x, y) { + this._x.push(+x); + this._y.push(+y); + } +}; - arc.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), arc) : context; - }; +var bundle = (function custom(beta) { - return arc; + function bundle(context) { + return beta === 1 ? new Basis(context) : new Bundle(context, beta); } - function Linear(context) { - this._context = context; - } + bundle.beta = function(beta) { + return custom(+beta); + }; - Linear.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed - default: this._context.lineTo(x, y); break; - } - } + return bundle; +})(0.85); + +function point$1(that, x, y) { + that._context.bezierCurveTo( + that._x1 + that._k * (that._x2 - that._x0), + that._y1 + that._k * (that._y2 - that._y0), + that._x2 + that._k * (that._x1 - x), + that._y2 + that._k * (that._y1 - y), + that._x2, + that._y2 + ); +} + +function Cardinal(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; +} + +Cardinal.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x2, this._y2); break; + case 3: point$1(this, this._x1, this._y1); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; this._x1 = x, this._y1 = y; break; + case 2: this._point = 3; // proceed + default: point$1(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } +}; + +var cardinal = (function custom(tension) { + + function cardinal(context) { + return new Cardinal(context, tension); + } + + cardinal.tension = function(tension) { + return custom(+tension); }; - function curveLinear(context) { - return new Linear(context); + return cardinal; +})(0); + +function CardinalClosed(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; +} + +CardinalClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 2: { + this._context.lineTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + this.point(this._x5, this._y5); + break; + } + } + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._x3 = x, this._y3 = y; break; + case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; + case 2: this._point = 3; this._x5 = x, this._y5 = y; break; + default: point$1(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } +}; - function x(p) { - return p[0]; - } +var cardinalClosed = (function custom(tension) { - function y(p) { - return p[1]; + function cardinal(context) { + return new CardinalClosed(context, tension); } - function line() { - var x$$ = x, - y$$ = y, - defined = constant$1(true), - context = null, - curve = curveLinear, - output = null; + cardinal.tension = function(tension) { + return custom(+tension); + }; - function line(data) { - var i, - n = data.length, - d, - defined0 = false, - buffer; + return cardinal; +})(0); + +function CardinalOpen(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; +} + +CardinalOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 3: this._point = 4; // proceed + default: point$1(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } +}; + +var cardinalOpen = (function custom(tension) { + + function cardinal(context) { + return new CardinalOpen(context, tension); + } + + cardinal.tension = function(tension) { + return custom(+tension); + }; - if (context == null) output = curve(buffer = path()); + return cardinal; +})(0); + +function point$2(that, x, y) { + var x1 = that._x1, + y1 = that._y1, + x2 = that._x2, + y2 = that._y2; + + if (that._l01_a > epsilon$1) { + var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a, + n = 3 * that._l01_a * (that._l01_a + that._l12_a); + x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n; + y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n; + } + + if (that._l23_a > epsilon$1) { + var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a, + m = 3 * that._l23_a * (that._l23_a + that._l12_a); + x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m; + y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m; + } + + that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2); +} + +function CatmullRom(context, alpha) { + this._context = context; + this._alpha = alpha; +} + +CatmullRom.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x2, this._y2); break; + case 3: this.point(this._x2, this._y2); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } + + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; // proceed + default: point$2(this, x, y); break; + } + + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } +}; + +var catmullRom = (function custom(alpha) { + + function catmullRom(context) { + return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); + } + + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; - for (i = 0; i <= n; ++i) { - if (!(i < n && defined(d = data[i], i, data)) === defined0) { - if (defined0 = !defined0) output.lineStart(); - else output.lineEnd(); - } - if (defined0) output.point(+x$$(d, i, data), +y$$(d, i, data)); + return catmullRom; +})(0.5); + +function CatmullRomClosed(context, alpha) { + this._context = context; + this._alpha = alpha; +} + +CatmullRomClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 2: { + this._context.lineTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + this.point(this._x5, this._y5); + break; } + } + }, + point: function(x, y) { + x = +x, y = +y; - if (buffer) return output = null, buffer + "" || null; + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); } - line.x = function(_) { - return arguments.length ? (x$$ = typeof _ === "function" ? _ : constant$1(+_), line) : x$$; - }; + switch (this._point) { + case 0: this._point = 1; this._x3 = x, this._y3 = y; break; + case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; + case 2: this._point = 3; this._x5 = x, this._y5 = y; break; + default: point$2(this, x, y); break; + } - line.y = function(_) { - return arguments.length ? (y$$ = typeof _ === "function" ? _ : constant$1(+_), line) : y$$; - }; + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } +}; - line.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$1(!!_), line) : defined; - }; +var catmullRomClosed = (function custom(alpha) { - line.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; - }; + function catmullRom(context) { + return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); + } - line.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; - }; + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; - return line; - } - - function area$1() { - var x0 = x, - x1 = null, - y0 = constant$1(0), - y1 = y, - defined = constant$1(true), - context = null, - curve = curveLinear, - output = null; - - function area(data) { - var i, - j, - k, - n = data.length, - d, - defined0 = false, - buffer, - x0z = new Array(n), - y0z = new Array(n); - - if (context == null) output = curve(buffer = path()); - - for (i = 0; i <= n; ++i) { - if (!(i < n && defined(d = data[i], i, data)) === defined0) { - if (defined0 = !defined0) { - j = i; - output.areaStart(); - output.lineStart(); - } else { - output.lineEnd(); - output.lineStart(); - for (k = i - 1; k >= j; --k) { - output.point(x0z[k], y0z[k]); - } - output.lineEnd(); - output.areaEnd(); - } - } - if (defined0) { - x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data); - output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]); + return catmullRom; +})(0.5); + +function CatmullRomOpen(context, alpha) { + this._context = context; + this._alpha = alpha; +} + +CatmullRomOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } + + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 3: this._point = 4; // proceed + default: point$2(this, x, y); break; + } + + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } +}; + +var catmullRomOpen = (function custom(alpha) { + + function catmullRom(context) { + return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); + } + + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; + + return catmullRom; +})(0.5); + +function LinearClosed(context) { + this._context = context; +} + +LinearClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._point) this._context.closePath(); + }, + point: function(x, y) { + x = +x, y = +y; + if (this._point) this._context.lineTo(x, y); + else this._point = 1, this._context.moveTo(x, y); + } +}; + +var linearClosed = function(context) { + return new LinearClosed(context); +} + +function sign(x) { + return x < 0 ? -1 : 1; +} + +// Calculate the slopes of the tangents (Hermite-type interpolation) based on +// the following paper: Steffen, M. 1990. A Simple Method for Monotonic +// Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO. +// NOV(II), P. 443, 1990. +function slope3(that, x2, y2) { + var h0 = that._x1 - that._x0, + h1 = x2 - that._x1, + s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0), + s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0), + p = (s0 * h1 + s1 * h0) / (h0 + h1); + return (sign(s0) + sign(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0; +} + +// Calculate a one-sided slope. +function slope2(that, t) { + var h = that._x1 - that._x0; + return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t; +} + +// According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations +// "you can express cubic Hermite interpolation in terms of cubic Bézier curves +// with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1". +function point$3(that, t0, t1) { + var x0 = that._x0, + y0 = that._y0, + x1 = that._x1, + y1 = that._y1, + dx = (x1 - x0) / 3; + that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1); +} + +function MonotoneX(context) { + this._context = context; +} + +MonotoneX.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = + this._t0 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x1, this._y1); break; + case 3: point$3(this, this._t0, slope2(this, this._t0)); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + var t1 = NaN; + + x = +x, y = +y; + if (x === this._x1 && y === this._y1) return; // Ignore coincident points. + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; point$3(this, slope2(this, t1 = slope3(this, x, y)), t1); break; + default: point$3(this, this._t0, t1 = slope3(this, x, y)); break; + } + + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + this._t0 = t1; + } +} + +function MonotoneY(context) { + this._context = new ReflectContext(context); +} + +(MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) { + MonotoneX.prototype.point.call(this, y, x); +}; + +function ReflectContext(context) { + this._context = context; +} + +ReflectContext.prototype = { + moveTo: function(x, y) { this._context.moveTo(y, x); }, + closePath: function() { this._context.closePath(); }, + lineTo: function(x, y) { this._context.lineTo(y, x); }, + bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); } +}; + +function monotoneX(context) { + return new MonotoneX(context); +} + +function monotoneY(context) { + return new MonotoneY(context); +} + +function Natural(context) { + this._context = context; +} + +Natural.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x = []; + this._y = []; + }, + lineEnd: function() { + var x = this._x, + y = this._y, + n = x.length; + + if (n) { + this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]); + if (n === 2) { + this._context.lineTo(x[1], y[1]); + } else { + var px = controlPoints(x), + py = controlPoints(y); + for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) { + this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]); + } + } + } + + if (this._line || (this._line !== 0 && n === 1)) this._context.closePath(); + this._line = 1 - this._line; + this._x = this._y = null; + }, + point: function(x, y) { + this._x.push(+x); + this._y.push(+y); + } +}; + +// See https://www.particleincell.com/2012/bezier-splines/ for derivation. +function controlPoints(x) { + var i, + n = x.length - 1, + m, + a = new Array(n), + b = new Array(n), + r = new Array(n); + a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1]; + for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1]; + a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n]; + for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1]; + a[n - 1] = r[n - 1] / b[n - 1]; + for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i]; + b[n - 1] = (x[n] + a[n - 1]) / 2; + for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1]; + return [a, b]; +} + +var natural = function(context) { + return new Natural(context); +} + +function Step(context, t) { + this._context = context; + this._t = t; +} + +Step.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x = this._y = NaN; + this._point = 0; + }, + lineEnd: function() { + if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y); + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; // proceed + default: { + if (this._t <= 0) { + this._context.lineTo(this._x, y); + this._context.lineTo(x, y); + } else { + var x1 = this._x * (1 - this._t) + x * this._t; + this._context.lineTo(x1, this._y); + this._context.lineTo(x1, y); } + break; } - - if (buffer) return output = null, buffer + "" || null; } + this._x = x, this._y = y; + } +}; - function arealine() { - return line().defined(defined).curve(curve).context(context); - } +var step = function(context) { + return new Step(context, 0.5); +} - area.x = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$1(+_), x1 = null, area) : x0; - }; +function stepBefore(context) { + return new Step(context, 0); +} - area.x0 = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$1(+_), area) : x0; - }; +function stepAfter(context) { + return new Step(context, 1); +} - area.x1 = function(_) { - return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), area) : x1; - }; +var slice$2 = Array.prototype.slice; - area.y = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$1(+_), y1 = null, area) : y0; - }; +var none = function(series, order) { + if (!((n = series.length) > 1)) return; + for (var i = 1, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { + s0 = s1, s1 = series[order[i]]; + for (var j = 0; j < m; ++j) { + s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; + } + } +} - area.y0 = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$1(+_), area) : y0; - }; +var none$1 = function(series) { + var n = series.length, o = new Array(n); + while (--n >= 0) o[n] = n; + return o; +} - area.y1 = function(_) { - return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), area) : y1; - }; +function stackValue(d, key) { + return d[key]; +} - area.lineX0 = - area.lineY0 = function() { - return arealine().x(x0).y(y0); - }; +var stack = function() { + var keys = constant$2([]), + order = none$1, + offset = none, + value = stackValue; - area.lineY1 = function() { - return arealine().x(x0).y(y1); - }; + function stack(data) { + var kz = keys.apply(this, arguments), + i, + m = data.length, + n = kz.length, + sz = new Array(n), + oz; - area.lineX1 = function() { - return arealine().x(x1).y(y0); - }; + for (i = 0; i < n; ++i) { + for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) { + si[j] = sij = [0, +value(data[j], ki, j, data)]; + sij.data = data[j]; + } + si.key = ki; + } - area.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$1(!!_), area) : defined; - }; + for (i = 0, oz = order(sz); i < n; ++i) { + sz[oz[i]].index = i; + } - area.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; - }; + offset(sz, oz); + return sz; + } - area.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; - }; + stack.keys = function(_) { + return arguments.length ? (keys = typeof _ === "function" ? _ : constant$2(slice$2.call(_)), stack) : keys; + }; - return area; - } + stack.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant$2(+_), stack) : value; + }; - function descending$1(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; - } + stack.order = function(_) { + return arguments.length ? (order = _ == null ? none$1 : typeof _ === "function" ? _ : constant$2(slice$2.call(_)), stack) : order; + }; + + stack.offset = function(_) { + return arguments.length ? (offset = _ == null ? none : _, stack) : offset; + }; - function identity$1(d) { - return d; + return stack; +} + +var expand = function(series, order) { + if (!((n = series.length) > 0)) return; + for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { + for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; + if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; + } + none(series, order); +} + +var silhouette = function(series, order) { + if (!((n = series.length) > 0)) return; + for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { + for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; + s0[j][1] += s0[j][0] = -y / 2; + } + none(series, order); +} + +var wiggle = function(series, order) { + if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; + for (var y = 0, j = 1, s0, m, n; j < m; ++j) { + for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { + var si = series[order[i]], + sij0 = si[j][1] || 0, + sij1 = si[j - 1][1] || 0, + s3 = (sij0 - sij1) / 2; + for (var k = 0; k < i; ++k) { + var sk = series[order[k]], + skj0 = sk[j][1] || 0, + skj1 = sk[j - 1][1] || 0; + s3 += skj0 - skj1; + } + s1 += sij0, s2 += s3 * sij0; + } + s0[j - 1][1] += s0[j - 1][0] = y; + if (s1) y -= s2 / s1; + } + s0[j - 1][1] += s0[j - 1][0] = y; + none(series, order); +} + +var ascending$1 = function(series) { + var sums = series.map(sum$1); + return none$1(series).sort(function(a, b) { return sums[a] - sums[b]; }); +} + +function sum$1(series) { + var s = 0, i = -1, n = series.length, v; + while (++i < n) if (v = +series[i][1]) s += v; + return s; +} + +var descending$2 = function(series) { + return ascending$1(series).reverse(); +} + +var insideOut = function(series) { + var n = series.length, + i, + j, + sums = series.map(sum$1), + order = none$1(series).sort(function(a, b) { return sums[b] - sums[a]; }), + top = 0, + bottom = 0, + tops = [], + bottoms = []; + + for (i = 0; i < n; ++i) { + j = order[i]; + if (top < bottom) { + top += sums[j]; + tops.push(j); + } else { + bottom += sums[j]; + bottoms.push(j); + } + } + + return bottoms.reverse().concat(tops); +} + +var reverse = function(series) { + return none$1(series).reverse(); +} + +var define = function(constructor, factory, prototype) { + constructor.prototype = factory.prototype = prototype; + prototype.constructor = constructor; +} + +function extend(parent, definition) { + var prototype = Object.create(parent.prototype); + for (var key in definition) prototype[key] = definition[key]; + return prototype; +} + +function Color() {} + +var darker = 0.7; +var brighter = 1 / darker; + +var reHex3 = /^#([0-9a-f]{3})$/; +var reHex6 = /^#([0-9a-f]{6})$/; +var reRgbInteger = /^rgb\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*\)$/; +var reRgbPercent = /^rgb\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/; +var reRgbaInteger = /^rgba\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; +var reRgbaPercent = /^rgba\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; +var reHslPercent = /^hsl\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/; +var reHslaPercent = /^hsla\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; + +var named = { + aliceblue: 0xf0f8ff, + antiquewhite: 0xfaebd7, + aqua: 0x00ffff, + aquamarine: 0x7fffd4, + azure: 0xf0ffff, + beige: 0xf5f5dc, + bisque: 0xffe4c4, + black: 0x000000, + blanchedalmond: 0xffebcd, + blue: 0x0000ff, + blueviolet: 0x8a2be2, + brown: 0xa52a2a, + burlywood: 0xdeb887, + cadetblue: 0x5f9ea0, + chartreuse: 0x7fff00, + chocolate: 0xd2691e, + coral: 0xff7f50, + cornflowerblue: 0x6495ed, + cornsilk: 0xfff8dc, + crimson: 0xdc143c, + cyan: 0x00ffff, + darkblue: 0x00008b, + darkcyan: 0x008b8b, + darkgoldenrod: 0xb8860b, + darkgray: 0xa9a9a9, + darkgreen: 0x006400, + darkgrey: 0xa9a9a9, + darkkhaki: 0xbdb76b, + darkmagenta: 0x8b008b, + darkolivegreen: 0x556b2f, + darkorange: 0xff8c00, + darkorchid: 0x9932cc, + darkred: 0x8b0000, + darksalmon: 0xe9967a, + darkseagreen: 0x8fbc8f, + darkslateblue: 0x483d8b, + darkslategray: 0x2f4f4f, + darkslategrey: 0x2f4f4f, + darkturquoise: 0x00ced1, + darkviolet: 0x9400d3, + deeppink: 0xff1493, + deepskyblue: 0x00bfff, + dimgray: 0x696969, + dimgrey: 0x696969, + dodgerblue: 0x1e90ff, + firebrick: 0xb22222, + floralwhite: 0xfffaf0, + forestgreen: 0x228b22, + fuchsia: 0xff00ff, + gainsboro: 0xdcdcdc, + ghostwhite: 0xf8f8ff, + gold: 0xffd700, + goldenrod: 0xdaa520, + gray: 0x808080, + green: 0x008000, + greenyellow: 0xadff2f, + grey: 0x808080, + honeydew: 0xf0fff0, + hotpink: 0xff69b4, + indianred: 0xcd5c5c, + indigo: 0x4b0082, + ivory: 0xfffff0, + khaki: 0xf0e68c, + lavender: 0xe6e6fa, + lavenderblush: 0xfff0f5, + lawngreen: 0x7cfc00, + lemonchiffon: 0xfffacd, + lightblue: 0xadd8e6, + lightcoral: 0xf08080, + lightcyan: 0xe0ffff, + lightgoldenrodyellow: 0xfafad2, + lightgray: 0xd3d3d3, + lightgreen: 0x90ee90, + lightgrey: 0xd3d3d3, + lightpink: 0xffb6c1, + lightsalmon: 0xffa07a, + lightseagreen: 0x20b2aa, + lightskyblue: 0x87cefa, + lightslategray: 0x778899, + lightslategrey: 0x778899, + lightsteelblue: 0xb0c4de, + lightyellow: 0xffffe0, + lime: 0x00ff00, + limegreen: 0x32cd32, + linen: 0xfaf0e6, + magenta: 0xff00ff, + maroon: 0x800000, + mediumaquamarine: 0x66cdaa, + mediumblue: 0x0000cd, + mediumorchid: 0xba55d3, + mediumpurple: 0x9370db, + mediumseagreen: 0x3cb371, + mediumslateblue: 0x7b68ee, + mediumspringgreen: 0x00fa9a, + mediumturquoise: 0x48d1cc, + mediumvioletred: 0xc71585, + midnightblue: 0x191970, + mintcream: 0xf5fffa, + mistyrose: 0xffe4e1, + moccasin: 0xffe4b5, + navajowhite: 0xffdead, + navy: 0x000080, + oldlace: 0xfdf5e6, + olive: 0x808000, + olivedrab: 0x6b8e23, + orange: 0xffa500, + orangered: 0xff4500, + orchid: 0xda70d6, + palegoldenrod: 0xeee8aa, + palegreen: 0x98fb98, + paleturquoise: 0xafeeee, + palevioletred: 0xdb7093, + papayawhip: 0xffefd5, + peachpuff: 0xffdab9, + peru: 0xcd853f, + pink: 0xffc0cb, + plum: 0xdda0dd, + powderblue: 0xb0e0e6, + purple: 0x800080, + rebeccapurple: 0x663399, + red: 0xff0000, + rosybrown: 0xbc8f8f, + royalblue: 0x4169e1, + saddlebrown: 0x8b4513, + salmon: 0xfa8072, + sandybrown: 0xf4a460, + seagreen: 0x2e8b57, + seashell: 0xfff5ee, + sienna: 0xa0522d, + silver: 0xc0c0c0, + skyblue: 0x87ceeb, + slateblue: 0x6a5acd, + slategray: 0x708090, + slategrey: 0x708090, + snow: 0xfffafa, + springgreen: 0x00ff7f, + steelblue: 0x4682b4, + tan: 0xd2b48c, + teal: 0x008080, + thistle: 0xd8bfd8, + tomato: 0xff6347, + turquoise: 0x40e0d0, + violet: 0xee82ee, + wheat: 0xf5deb3, + white: 0xffffff, + whitesmoke: 0xf5f5f5, + yellow: 0xffff00, + yellowgreen: 0x9acd32 +}; + +define(Color, color, { + displayable: function() { + return this.rgb().displayable(); + }, + toString: function() { + return this.rgb() + ""; + } +}); + +function color(format) { + var m; + format = (format + "").trim().toLowerCase(); + return (m = reHex3.exec(format)) ? (m = parseInt(m[1], 16), new Rgb((m >> 8 & 0xf) | (m >> 4 & 0x0f0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1)) // #f00 + : (m = reHex6.exec(format)) ? rgbn(parseInt(m[1], 16)) // #ff0000 + : (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0) + : (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%) + : (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1) + : (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1) + : (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%) + : (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1) + : named.hasOwnProperty(format) ? rgbn(named[format]) + : format === "transparent" ? new Rgb(NaN, NaN, NaN, 0) + : null; +} + +function rgbn(n) { + return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1); +} + +function rgba(r, g, b, a) { + if (a <= 0) r = g = b = NaN; + return new Rgb(r, g, b, a); +} + +function rgbConvert(o) { + if (!(o instanceof Color)) o = color(o); + if (!o) return new Rgb; + o = o.rgb(); + return new Rgb(o.r, o.g, o.b, o.opacity); +} + +function rgb(r, g, b, opacity) { + return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity); +} + +function Rgb(r, g, b, opacity) { + this.r = +r; + this.g = +g; + this.b = +b; + this.opacity = +opacity; +} + +define(Rgb, rgb, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); + }, + rgb: function() { + return this; + }, + displayable: function() { + return (0 <= this.r && this.r <= 255) + && (0 <= this.g && this.g <= 255) + && (0 <= this.b && this.b <= 255) + && (0 <= this.opacity && this.opacity <= 1); + }, + toString: function() { + var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); + return (a === 1 ? "rgb(" : "rgba(") + + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " + + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " + + Math.max(0, Math.min(255, Math.round(this.b) || 0)) + + (a === 1 ? ")" : ", " + a + ")"); + } +})); + +function hsla(h, s, l, a) { + if (a <= 0) h = s = l = NaN; + else if (l <= 0 || l >= 1) h = s = NaN; + else if (s <= 0) h = NaN; + return new Hsl(h, s, l, a); +} + +function hslConvert(o) { + if (o instanceof Hsl) return new Hsl(o.h, o.s, o.l, o.opacity); + if (!(o instanceof Color)) o = color(o); + if (!o) return new Hsl; + if (o instanceof Hsl) return o; + o = o.rgb(); + var r = o.r / 255, + g = o.g / 255, + b = o.b / 255, + min = Math.min(r, g, b), + max = Math.max(r, g, b), + h = NaN, + s = max - min, + l = (max + min) / 2; + if (s) { + if (r === max) h = (g - b) / s + (g < b) * 6; + else if (g === max) h = (b - r) / s + 2; + else h = (r - g) / s + 4; + s /= l < 0.5 ? max + min : 2 - max - min; + h *= 60; + } else { + s = l > 0 && l < 1 ? 0 : h; + } + return new Hsl(h, s, l, o.opacity); +} + +function hsl(h, s, l, opacity) { + return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity); +} + +function Hsl(h, s, l, opacity) { + this.h = +h; + this.s = +s; + this.l = +l; + this.opacity = +opacity; +} + +define(Hsl, hsl, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Hsl(this.h, this.s, this.l * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Hsl(this.h, this.s, this.l * k, this.opacity); + }, + rgb: function() { + var h = this.h % 360 + (this.h < 0) * 360, + s = isNaN(h) || isNaN(this.s) ? 0 : this.s, + l = this.l, + m2 = l + (l < 0.5 ? l : 1 - l) * s, + m1 = 2 * l - m2; + return new Rgb( + hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2), + hsl2rgb(h, m1, m2), + hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2), + this.opacity + ); + }, + displayable: function() { + return (0 <= this.s && this.s <= 1 || isNaN(this.s)) + && (0 <= this.l && this.l <= 1) + && (0 <= this.opacity && this.opacity <= 1); + } +})); + +/* From FvD 13.37, CSS Color Module Level 3 */ +function hsl2rgb(h, m1, m2) { + return (h < 60 ? m1 + (m2 - m1) * h / 60 + : h < 180 ? m2 + : h < 240 ? m1 + (m2 - m1) * (240 - h) / 60 + : m1) * 255; +} + +var deg2rad = Math.PI / 180; +var rad2deg = 180 / Math.PI; + +var Kn = 18; +var Xn = 0.950470; +var Yn = 1; +var Zn = 1.088830; +var t0 = 4 / 29; +var t1 = 6 / 29; +var t2 = 3 * t1 * t1; +var t3 = t1 * t1 * t1; + +function labConvert(o) { + if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); + if (o instanceof Hcl) { + var h = o.h * deg2rad; + return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); + } + if (!(o instanceof Rgb)) o = rgbConvert(o); + var b = rgb2xyz(o.r), + a = rgb2xyz(o.g), + l = rgb2xyz(o.b), + x = xyz2lab((0.4124564 * b + 0.3575761 * a + 0.1804375 * l) / Xn), + y = xyz2lab((0.2126729 * b + 0.7151522 * a + 0.0721750 * l) / Yn), + z = xyz2lab((0.0193339 * b + 0.1191920 * a + 0.9503041 * l) / Zn); + return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity); +} + +function lab(l, a, b, opacity) { + return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity); +} + +function Lab(l, a, b, opacity) { + this.l = +l; + this.a = +a; + this.b = +b; + this.opacity = +opacity; +} + +define(Lab, lab, extend(Color, { + brighter: function(k) { + return new Lab(this.l + Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); + }, + darker: function(k) { + return new Lab(this.l - Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); + }, + rgb: function() { + var y = (this.l + 16) / 116, + x = isNaN(this.a) ? y : y + this.a / 500, + z = isNaN(this.b) ? y : y - this.b / 200; + y = Yn * lab2xyz(y); + x = Xn * lab2xyz(x); + z = Zn * lab2xyz(z); + return new Rgb( + xyz2rgb( 3.2404542 * x - 1.5371385 * y - 0.4985314 * z), // D65 -> sRGB + xyz2rgb(-0.9692660 * x + 1.8760108 * y + 0.0415560 * z), + xyz2rgb( 0.0556434 * x - 0.2040259 * y + 1.0572252 * z), + this.opacity + ); + } +})); + +function xyz2lab(t) { + return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0; +} + +function lab2xyz(t) { + return t > t1 ? t * t * t : t2 * (t - t0); +} + +function xyz2rgb(x) { + return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055); +} + +function rgb2xyz(x) { + return (x /= 255) <= 0.04045 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4); +} + +function hclConvert(o) { + if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); + if (!(o instanceof Lab)) o = labConvert(o); + var h = Math.atan2(o.b, o.a) * rad2deg; + return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); +} + +function hcl(h, c, l, opacity) { + return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity); +} + +function Hcl(h, c, l, opacity) { + this.h = +h; + this.c = +c; + this.l = +l; + this.opacity = +opacity; +} + +define(Hcl, hcl, extend(Color, { + brighter: function(k) { + return new Hcl(this.h, this.c, this.l + Kn * (k == null ? 1 : k), this.opacity); + }, + darker: function(k) { + return new Hcl(this.h, this.c, this.l - Kn * (k == null ? 1 : k), this.opacity); + }, + rgb: function() { + return labConvert(this).rgb(); + } +})); + +var A = -0.14861; +var B = +1.78277; +var C = -0.29227; +var D = -0.90649; +var E = +1.97294; +var ED = E * D; +var EB = E * B; +var BC_DA = B * C - D * A; + +function cubehelixConvert(o) { + if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity); + if (!(o instanceof Rgb)) o = rgbConvert(o); + var r = o.r / 255, + g = o.g / 255, + b = o.b / 255, + l = (BC_DA * b + ED * r - EB * g) / (BC_DA + ED - EB), + bl = b - l, + k = (E * (g - l) - C * bl) / D, + s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1 + h = s ? Math.atan2(k, bl) * rad2deg - 120 : NaN; + return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity); +} + +function cubehelix(h, s, l, opacity) { + return arguments.length === 1 ? cubehelixConvert(h) : new Cubehelix(h, s, l, opacity == null ? 1 : opacity); +} + +function Cubehelix(h, s, l, opacity) { + this.h = +h; + this.s = +s; + this.l = +l; + this.opacity = +opacity; +} + +define(Cubehelix, cubehelix, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Cubehelix(this.h, this.s, this.l * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Cubehelix(this.h, this.s, this.l * k, this.opacity); + }, + rgb: function() { + var h = isNaN(this.h) ? 0 : (this.h + 120) * deg2rad, + l = +this.l, + a = isNaN(this.s) ? 0 : this.s * l * (1 - l), + cosh = Math.cos(h), + sinh = Math.sin(h); + return new Rgb( + 255 * (l + a * (A * cosh + B * sinh)), + 255 * (l + a * (C * cosh + D * sinh)), + 255 * (l + a * (E * cosh)), + this.opacity + ); } +})); + +function basis$1(t1, v0, v1, v2, v3) { + var t2 = t1 * t1, t3 = t2 * t1; + return ((1 - 3 * t1 + 3 * t2 - t3) * v0 + + (4 - 6 * t2 + 3 * t3) * v1 + + (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2 + + t3 * v3) / 6; +} + +var basis$2 = function(values) { + var n = values.length - 1; + return function(t) { + var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n), + v1 = values[i], + v2 = values[i + 1], + v0 = i > 0 ? values[i - 1] : 2 * v1 - v2, + v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; + return basis$1((t - i / n) * n, v0, v1, v2, v3); + }; +} + +var basisClosed$1 = function(values) { + var n = values.length; + return function(t) { + var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n), + v0 = values[(i + n - 1) % n], + v1 = values[i % n], + v2 = values[(i + 1) % n], + v3 = values[(i + 2) % n]; + return basis$1((t - i / n) * n, v0, v1, v2, v3); + }; +} - function pie() { - var value = identity$1, - sortValues = descending$1, - sort = null, - startAngle = constant$1(0), - endAngle = constant$1(tau$2), - padAngle = constant$1(0); +var constant$3 = function(x) { + return function() { + return x; + }; +} - function pie(data) { - var i, - n = data.length, - j, - k, - sum = 0, - index = new Array(n), - arcs = new Array(n), - a0 = +startAngle.apply(this, arguments), - da = Math.min(tau$2, Math.max(-tau$2, endAngle.apply(this, arguments) - a0)), - a1, - p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)), - pa = p * (da < 0 ? -1 : 1), - v; +function linear$1(a, d) { + return function(t) { + return a + t * d; + }; +} - for (i = 0; i < n; ++i) { - if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) { - sum += v; - } - } +function exponential$1(a, b, y) { + return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) { + return Math.pow(a + t * b, y); + }; +} - // Optionally sort the arcs by previously-computed values or by data. - if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); }); - else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); }); +function hue(a, b) { + var d = b - a; + return d ? linear$1(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$3(isNaN(a) ? b : a); +} - // Compute the arcs! They are stored in the original data's order. - for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) { - j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = { - data: data[j], - index: i, - value: v, - startAngle: a0, - endAngle: a1, - padAngle: p - }; - } +function gamma(y) { + return (y = +y) === 1 ? nogamma : function(a, b) { + return b - a ? exponential$1(a, b, y) : constant$3(isNaN(a) ? b : a); + }; +} - return arcs; - } +function nogamma(a, b) { + var d = b - a; + return d ? linear$1(a, d) : constant$3(isNaN(a) ? b : a); +} - pie.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$1(+_), pie) : value; - }; +var interpolateRgb = (function rgbGamma(y) { + var color$$1 = gamma(y); - pie.sortValues = function(_) { - return arguments.length ? (sortValues = _, sort = null, pie) : sortValues; + function rgb$$1(start, end) { + var r = color$$1((start = rgb(start)).r, (end = rgb(end)).r), + g = color$$1(start.g, end.g), + b = color$$1(start.b, end.b), + opacity = color$$1(start.opacity, end.opacity); + return function(t) { + start.r = r(t); + start.g = g(t); + start.b = b(t); + start.opacity = opacity(t); + return start + ""; }; + } - pie.sort = function(_) { - return arguments.length ? (sort = _, sortValues = null, pie) : sort; - }; + rgb$$1.gamma = rgbGamma; - pie.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : startAngle; - }; + return rgb$$1; +})(1); - pie.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : endAngle; +function rgbSpline(spline) { + return function(colors) { + var n = colors.length, + r = new Array(n), + g = new Array(n), + b = new Array(n), + i, color$$1; + for (i = 0; i < n; ++i) { + color$$1 = rgb(colors[i]); + r[i] = color$$1.r || 0; + g[i] = color$$1.g || 0; + b[i] = color$$1.b || 0; + } + r = spline(r); + g = spline(g); + b = spline(b); + color$$1.opacity = 1; + return function(t) { + color$$1.r = r(t); + color$$1.g = g(t); + color$$1.b = b(t); + return color$$1 + ""; }; + }; +} - pie.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : padAngle; - }; +var rgbBasis = rgbSpline(basis$2); +var rgbBasisClosed = rgbSpline(basisClosed$1); - return pie; - } +var array$1 = function(a, b) { + var nb = b ? b.length : 0, + na = a ? Math.min(nb, a.length) : 0, + x = new Array(nb), + c = new Array(nb), + i; - var curveRadialLinear = curveRadial(curveLinear); + for (i = 0; i < na; ++i) x[i] = interpolate(a[i], b[i]); + for (; i < nb; ++i) c[i] = b[i]; - function Radial(curve) { - this._curve = curve; - } + return function(t) { + for (i = 0; i < na; ++i) c[i] = x[i](t); + return c; + }; +} - Radial.prototype = { - areaStart: function() { - this._curve.areaStart(); - }, - areaEnd: function() { - this._curve.areaEnd(); - }, - lineStart: function() { - this._curve.lineStart(); - }, - lineEnd: function() { - this._curve.lineEnd(); - }, - point: function(a, r) { - this._curve.point(r * Math.sin(a), r * -Math.cos(a)); - } +var date = function(a, b) { + var d = new Date; + return a = +a, b -= a, function(t) { + return d.setTime(a + b * t), d; }; +} - function curveRadial(curve) { +var interpolateNumber = function(a, b) { + return a = +a, b -= a, function(t) { + return a + b * t; + }; +} - function radial(context) { - return new Radial(curve(context)); - } +var object = function(a, b) { + var i = {}, + c = {}, + k; - radial._curve = curve; + if (a === null || typeof a !== "object") a = {}; + if (b === null || typeof b !== "object") b = {}; - return radial; + for (k in b) { + if (k in a) { + i[k] = interpolate(a[k], b[k]); + } else { + c[k] = b[k]; + } } - function radialLine(l) { - var c = l.curve; + return function(t) { + for (k in i) c[k] = i[k](t); + return c; + }; +} - l.angle = l.x, delete l.x; - l.radius = l.y, delete l.y; +var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; +var reB = new RegExp(reA.source, "g"); - l.curve = function(_) { - return arguments.length ? c(curveRadial(_)) : c()._curve; - }; +function zero(b) { + return function() { + return b; + }; +} - return l; +function one(b) { + return function(t) { + return b(t) + ""; + }; +} + +var interpolateString = function(a, b) { + var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b + am, // current match in a + bm, // current match in b + bs, // string preceding current number in b, if any + i = -1, // index in s + s = [], // string constants and placeholders + q = []; // number interpolators + + // Coerce inputs to strings. + a = a + "", b = b + ""; + + // Interpolate pairs of numbers in a & b. + while ((am = reA.exec(a)) + && (bm = reB.exec(b))) { + if ((bs = bm.index) > bi) { // a string precedes the next number in b + bs = b.slice(bi, bs); + if (s[i]) s[i] += bs; // coalesce with previous string + else s[++i] = bs; + } + if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match + if (s[i]) s[i] += bm; // coalesce with previous string + else s[++i] = bm; + } else { // interpolate non-matching numbers + s[++i] = null; + q.push({i: i, x: interpolateNumber(am, bm)}); + } + bi = reB.lastIndex; } - function radialLine$1() { - return radialLine(line().curve(curveRadialLinear)); + // Add remains of b. + if (bi < b.length) { + bs = b.slice(bi); + if (s[i]) s[i] += bs; // coalesce with previous string + else s[++i] = bs; } - function radialArea() { - var a = area$1().curve(curveRadialLinear), - c = a.curve, - x0 = a.lineX0, - x1 = a.lineX1, - y0 = a.lineY0, - y1 = a.lineY1; - - a.angle = a.x, delete a.x; - a.startAngle = a.x0, delete a.x0; - a.endAngle = a.x1, delete a.x1; - a.radius = a.y, delete a.y; - a.innerRadius = a.y0, delete a.y0; - a.outerRadius = a.y1, delete a.y1; - a.lineStartAngle = function() { return radialLine(x0()); }, delete a.lineX0; - a.lineEndAngle = function() { return radialLine(x1()); }, delete a.lineX1; - a.lineInnerRadius = function() { return radialLine(y0()); }, delete a.lineY0; - a.lineOuterRadius = function() { return radialLine(y1()); }, delete a.lineY1; - - a.curve = function(_) { - return arguments.length ? c(curveRadial(_)) : c()._curve; - }; - - return a; - } - - var circle = { - draw: function(context, size) { - var r = Math.sqrt(size / pi$2); - context.moveTo(r, 0); - context.arc(0, 0, r, 0, tau$2); - } - }; - - var cross$1 = { - draw: function(context, size) { - var r = Math.sqrt(size / 5) / 2; - context.moveTo(-3 * r, -r); - context.lineTo(-r, -r); - context.lineTo(-r, -3 * r); - context.lineTo(r, -3 * r); - context.lineTo(r, -r); - context.lineTo(3 * r, -r); - context.lineTo(3 * r, r); - context.lineTo(r, r); - context.lineTo(r, 3 * r); - context.lineTo(-r, 3 * r); - context.lineTo(-r, r); - context.lineTo(-3 * r, r); - context.closePath(); - } - }; - - var tan30 = Math.sqrt(1 / 3); - var tan30_2 = tan30 * 2; - var diamond = { - draw: function(context, size) { - var y = Math.sqrt(size / tan30_2), - x = y * tan30; - context.moveTo(0, -y); - context.lineTo(x, 0); - context.lineTo(0, y); - context.lineTo(-x, 0); - context.closePath(); - } - }; - - var ka = 0.89081309152928522810; - var kr = Math.sin(pi$2 / 10) / Math.sin(7 * pi$2 / 10); - var kx = Math.sin(tau$2 / 10) * kr; - var ky = -Math.cos(tau$2 / 10) * kr; - var star = { - draw: function(context, size) { - var r = Math.sqrt(size * ka), - x = kx * r, - y = ky * r; - context.moveTo(0, -r); - context.lineTo(x, y); - for (var i = 1; i < 5; ++i) { - var a = tau$2 * i / 5, - c = Math.cos(a), - s = Math.sin(a); - context.lineTo(s * r, -c * r); - context.lineTo(c * x - s * y, s * x + c * y); - } - context.closePath(); - } - }; - - var square = { - draw: function(context, size) { - var w = Math.sqrt(size), - x = -w / 2; - context.rect(x, x, w, w); - } - }; - - var sqrt3 = Math.sqrt(3); - - var triangle = { - draw: function(context, size) { - var y = -Math.sqrt(size / (sqrt3 * 3)); - context.moveTo(0, y * 2); - context.lineTo(-sqrt3 * y, -y); - context.lineTo(sqrt3 * y, -y); - context.closePath(); - } - }; - - var c = -0.5; - var s = Math.sqrt(3) / 2; - var k = 1 / Math.sqrt(12); - var a = (k / 2 + 1) * 3; - var wye = { - draw: function(context, size) { - var r = Math.sqrt(size / a), - x0 = r / 2, - y0 = r * k, - x1 = x0, - y1 = r * k + r, - x2 = -x1, - y2 = y1; - context.moveTo(x0, y0); - context.lineTo(x1, y1); - context.lineTo(x2, y2); - context.lineTo(c * x0 - s * y0, s * x0 + c * y0); - context.lineTo(c * x1 - s * y1, s * x1 + c * y1); - context.lineTo(c * x2 - s * y2, s * x2 + c * y2); - context.lineTo(c * x0 + s * y0, c * y0 - s * x0); - context.lineTo(c * x1 + s * y1, c * y1 - s * x1); - context.lineTo(c * x2 + s * y2, c * y2 - s * x2); - context.closePath(); - } - }; - - var symbols = [ - circle, - cross$1, - diamond, - square, - star, - triangle, - wye - ]; - - function symbol() { - var type = constant$1(circle), - size = constant$1(64), - context = null; + // Special optimization for only a single match. + // Otherwise, interpolate each of the numbers and rejoin the string. + return s.length < 2 ? (q[0] + ? one(q[0].x) + : zero(b)) + : (b = q.length, function(t) { + for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); + return s.join(""); + }); +} + +var interpolate = function(a, b) { + var t = typeof b, c; + return b == null || t === "boolean" ? constant$3(b) + : (t === "number" ? interpolateNumber + : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) + : b instanceof color ? interpolateRgb + : b instanceof Date ? date + : Array.isArray(b) ? array$1 + : isNaN(b) ? object + : interpolateNumber)(a, b); +} + +var interpolateRound = function(a, b) { + return a = +a, b -= a, function(t) { + return Math.round(a + b * t); + }; +} + +var degrees = 180 / Math.PI; + +var identity$2 = { + translateX: 0, + translateY: 0, + rotate: 0, + skewX: 0, + scaleX: 1, + scaleY: 1 +}; + +var decompose = function(a, b, c, d, e, f) { + var scaleX, scaleY, skewX; + if (scaleX = Math.sqrt(a * a + b * b)) a /= scaleX, b /= scaleX; + if (skewX = a * c + b * d) c -= a * skewX, d -= b * skewX; + if (scaleY = Math.sqrt(c * c + d * d)) c /= scaleY, d /= scaleY, skewX /= scaleY; + if (a * d < b * c) a = -a, b = -b, skewX = -skewX, scaleX = -scaleX; + return { + translateX: e, + translateY: f, + rotate: Math.atan2(b, a) * degrees, + skewX: Math.atan(skewX) * degrees, + scaleX: scaleX, + scaleY: scaleY + }; +} - function symbol() { - var buffer; - if (!context) context = buffer = path(); - type.apply(this, arguments).draw(context, +size.apply(this, arguments)); - if (buffer) return context = null, buffer + "" || null; - } +var cssNode; +var cssRoot; +var cssView; +var svgNode; - symbol.type = function(_) { - return arguments.length ? (type = typeof _ === "function" ? _ : constant$1(_), symbol) : type; - }; +function parseCss(value) { + if (value === "none") return identity$2; + if (!cssNode) cssNode = document.createElement("DIV"), cssRoot = document.documentElement, cssView = document.defaultView; + cssNode.style.transform = value; + value = cssView.getComputedStyle(cssRoot.appendChild(cssNode), null).getPropertyValue("transform"); + cssRoot.removeChild(cssNode); + value = value.slice(7, -1).split(","); + return decompose(+value[0], +value[1], +value[2], +value[3], +value[4], +value[5]); +} - symbol.size = function(_) { - return arguments.length ? (size = typeof _ === "function" ? _ : constant$1(+_), symbol) : size; - }; +function parseSvg(value) { + if (value == null) return identity$2; + if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g"); + svgNode.setAttribute("transform", value); + if (!(value = svgNode.transform.baseVal.consolidate())) return identity$2; + value = value.matrix; + return decompose(value.a, value.b, value.c, value.d, value.e, value.f); +} - symbol.context = function(_) { - return arguments.length ? (context = _ == null ? null : _, symbol) : context; - }; +function interpolateTransform(parse, pxComma, pxParen, degParen) { - return symbol; + function pop(s) { + return s.length ? s.pop() + " " : ""; } - function noop() {} - - function point(that, x, y) { - that._context.bezierCurveTo( - (2 * that._x0 + that._x1) / 3, - (2 * that._y0 + that._y1) / 3, - (that._x0 + 2 * that._x1) / 3, - (that._y0 + 2 * that._y1) / 3, - (that._x0 + 4 * that._x1 + x) / 6, - (that._y0 + 4 * that._y1 + y) / 6 - ); + function translate(xa, ya, xb, yb, s, q) { + if (xa !== xb || ya !== yb) { + var i = s.push("translate(", null, pxComma, null, pxParen); + q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); + } else if (xb || yb) { + s.push("translate(" + xb + pxComma + yb + pxParen); + } } - function Basis(context) { - this._context = context; + function rotate(a, b, s, q) { + if (a !== b) { + if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path + q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: interpolateNumber(a, b)}); + } else if (b) { + s.push(pop(s) + "rotate(" + b + degParen); + } } - Basis.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 3: point(this, this._x1, this._y1); // proceed - case 2: this._context.lineTo(this._x1, this._y1); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed - default: point(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; + function skewX(a, b, s, q) { + if (a !== b) { + q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: interpolateNumber(a, b)}); + } else if (b) { + s.push(pop(s) + "skewX(" + b + degParen); } - }; - - function basis(context) { - return new Basis(context); } - function BasisClosed(context) { - this._context = context; + function scale(xa, ya, xb, yb, s, q) { + if (xa !== xb || ya !== yb) { + var i = s.push(pop(s) + "scale(", null, ",", null, ")"); + q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); + } else if (xb !== 1 || yb !== 1) { + s.push(pop(s) + "scale(" + xb + "," + yb + ")"); + } } - BasisClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x2, this._y2); - this._context.closePath(); - break; - } - case 2: { - this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3); - this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3); - this._context.closePath(); - break; - } - case 3: { - this.point(this._x2, this._y2); - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - break; - } - } - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._x2 = x, this._y2 = y; break; - case 1: this._point = 2; this._x3 = x, this._y3 = y; break; - case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break; - default: point(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - } + return function(a, b) { + var s = [], // string constants and placeholders + q = []; // number interpolators + a = parse(a), b = parse(b); + translate(a.translateX, a.translateY, b.translateX, b.translateY, s, q); + rotate(a.rotate, b.rotate, s, q); + skewX(a.skewX, b.skewX, s, q); + scale(a.scaleX, a.scaleY, b.scaleX, b.scaleY, s, q); + a = b = null; // gc + return function(t) { + var i = -1, n = q.length, o; + while (++i < n) s[(o = q[i]).i] = o.x(t); + return s.join(""); + }; }; - - function basisClosed(context) { - return new BasisClosed(context); +} + +var interpolateTransformCss = interpolateTransform(parseCss, "px, ", "px)", "deg)"); +var interpolateTransformSvg = interpolateTransform(parseSvg, ", ", ")", ")"); + +var rho = Math.SQRT2; +var rho2 = 2; +var rho4 = 4; +var epsilon2 = 1e-12; + +function cosh(x) { + return ((x = Math.exp(x)) + 1 / x) / 2; +} + +function sinh(x) { + return ((x = Math.exp(x)) - 1 / x) / 2; +} + +function tanh(x) { + return ((x = Math.exp(2 * x)) - 1) / (x + 1); +} + +// p0 = [ux0, uy0, w0] +// p1 = [ux1, uy1, w1] +var interpolateZoom = function(p0, p1) { + var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], + ux1 = p1[0], uy1 = p1[1], w1 = p1[2], + dx = ux1 - ux0, + dy = uy1 - uy0, + d2 = dx * dx + dy * dy, + i, + S; + + // Special case for u0 ≅ u1. + if (d2 < epsilon2) { + S = Math.log(w1 / w0) / rho; + i = function(t) { + return [ + ux0 + t * dx, + uy0 + t * dy, + w0 * Math.exp(rho * t * S) + ]; + } } - function BasisOpen(context) { - this._context = context; + // General case. + else { + var d1 = Math.sqrt(d2), + b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), + b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), + r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), + r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); + S = (r1 - r0) / rho; + i = function(t) { + var s = t * S, + coshr0 = cosh(r0), + u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0)); + return [ + ux0 + u * dx, + uy0 + u * dy, + w0 * coshr0 / cosh(rho * s + r0) + ]; + } } - BasisOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = NaN; - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; - case 3: this._point = 4; // proceed - default: point(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - } - }; + i.duration = S * 1000; - function basisOpen(context) { - return new BasisOpen(context); - } + return i; +} - function Bundle(context, beta) { - this._basis = new Basis(context); - this._beta = beta; +function hsl$1(hue$$1) { + return function(start, end) { + var h = hue$$1((start = hsl(start)).h, (end = hsl(end)).h), + s = nogamma(start.s, end.s), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.s = s(t); + start.l = l(t); + start.opacity = opacity(t); + return start + ""; + }; } +} - Bundle.prototype = { - lineStart: function() { - this._x = []; - this._y = []; - this._basis.lineStart(); - }, - lineEnd: function() { - var x = this._x, - y = this._y, - j = x.length - 1; - - if (j > 0) { - var x0 = x[0], - y0 = y[0], - dx = x[j] - x0, - dy = y[j] - y0, - i = -1, - t; - - while (++i <= j) { - t = i / j; - this._basis.point( - this._beta * x[i] + (1 - this._beta) * (x0 + t * dx), - this._beta * y[i] + (1 - this._beta) * (y0 + t * dy) - ); - } - } +var hsl$2 = hsl$1(hue); +var hslLong = hsl$1(nogamma); - this._x = this._y = null; - this._basis.lineEnd(); - }, - point: function(x, y) { - this._x.push(+x); - this._y.push(+y); - } +function lab$1(start, end) { + var l = nogamma((start = lab(start)).l, (end = lab(end)).l), + a = nogamma(start.a, end.a), + b = nogamma(start.b, end.b), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.l = l(t); + start.a = a(t); + start.b = b(t); + start.opacity = opacity(t); + return start + ""; }; +} - var bundle = (function custom(beta) { - - function bundle(context) { - return beta === 1 ? new Basis(context) : new Bundle(context, beta); - } - - bundle.beta = function(beta) { - return custom(+beta); - }; - - return bundle; - })(0.85); - - function point$1(that, x, y) { - that._context.bezierCurveTo( - that._x1 + that._k * (that._x2 - that._x0), - that._y1 + that._k * (that._y2 - that._y0), - that._x2 + that._k * (that._x1 - x), - that._y2 + that._k * (that._y1 - y), - that._x2, - that._y2 - ); +function hcl$1(hue$$1) { + return function(start, end) { + var h = hue$$1((start = hcl(start)).h, (end = hcl(end)).h), + c = nogamma(start.c, end.c), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.c = c(t); + start.l = l(t); + start.opacity = opacity(t); + return start + ""; + }; } +} + +var hcl$2 = hcl$1(hue); +var hclLong = hcl$1(nogamma); + +function cubehelix$1(hue$$1) { + return (function cubehelixGamma(y) { + y = +y; + + function cubehelix$$1(start, end) { + var h = hue$$1((start = cubehelix(start)).h, (end = cubehelix(end)).h), + s = nogamma(start.s, end.s), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.s = s(t); + start.l = l(Math.pow(t, y)); + start.opacity = opacity(t); + return start + ""; + }; + } + + cubehelix$$1.gamma = cubehelixGamma; + + return cubehelix$$1; + })(1); +} + +var cubehelix$2 = cubehelix$1(hue); +var cubehelixLong = cubehelix$1(nogamma); + +var quantize = function(interpolator, n) { + var samples = new Array(n); + for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); + return samples; +} - function Cardinal(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; +var noop$1 = {value: function() {}}; + +function dispatch() { + for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { + if (!(t = arguments[i] + "") || (t in _)) throw new Error("illegal type: " + t); + _[t] = []; } + return new Dispatch(_); +} - Cardinal.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x2, this._y2); break; - case 3: point$1(this, this._x1, this._y1); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; this._x1 = x, this._y1 = y; break; - case 2: this._point = 3; // proceed - default: point$1(this, x, y); break; - } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; +function Dispatch(_) { + this._ = _; +} + +function parseTypenames(typenames, types) { + return typenames.trim().split(/^|\s+/).map(function(t) { + var name = "", i = t.indexOf("."); + if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); + if (t && !types.hasOwnProperty(t)) throw new Error("unknown type: " + t); + return {type: t, name: name}; + }); +} + +Dispatch.prototype = dispatch.prototype = { + constructor: Dispatch, + on: function(typename, callback) { + var _ = this._, + T = parseTypenames(typename + "", _), + t, + i = -1, + n = T.length; + + // If no callback was specified, return the callback of the given type and name. + if (arguments.length < 2) { + while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t; + return; + } + + // If a type was specified, set the callback for the given type and name. + // Otherwise, if a null callback was specified, remove callbacks of the given name. + if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback); + while (++i < n) { + if (t = (typename = T[i]).type) _[t] = set$2(_[t], typename.name, callback); + else if (callback == null) for (t in _) _[t] = set$2(_[t], typename.name, null); } + + return this; + }, + copy: function() { + var copy = {}, _ = this._; + for (var t in _) copy[t] = _[t].slice(); + return new Dispatch(copy); + }, + call: function(type, that) { + if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) args[i] = arguments[i + 2]; + if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); + for (t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); + }, + apply: function(type, that, args) { + if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); + for (var t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); + } +}; + +function get(type, name) { + for (var i = 0, n = type.length, c; i < n; ++i) { + if ((c = type[i]).name === name) { + return c.value; + } + } +} + +function set$2(type, name, callback) { + for (var i = 0, n = type.length; i < n; ++i) { + if (type[i].name === name) { + type[i] = noop$1, type = type.slice(0, i).concat(type.slice(i + 1)); + break; + } + } + if (callback != null) type.push({name: name, value: callback}); + return type; +} + +function objectConverter(columns) { + return new Function("d", "return {" + columns.map(function(name, i) { + return JSON.stringify(name) + ": d[" + i + "]"; + }).join(",") + "}"); +} + +function customConverter(columns, f) { + var object = objectConverter(columns); + return function(row, i) { + return f(object(row), i, columns); }; +} - var cardinal = (function custom(tension) { +// Compute unique columns in order of discovery. +function inferColumns(rows) { + var columnSet = Object.create(null), + columns = []; - function cardinal(context) { - return new Cardinal(context, tension); + rows.forEach(function(row) { + for (var column in row) { + if (!(column in columnSet)) { + columns.push(columnSet[column] = column); + } } + }); - cardinal.tension = function(tension) { - return custom(+tension); - }; + return columns; +} - return cardinal; - })(0); +var dsv = function(delimiter) { + var reFormat = new RegExp("[\"" + delimiter + "\n]"), + delimiterCode = delimiter.charCodeAt(0); - function CardinalClosed(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; + function parse(text, f) { + var convert, columns, rows = parseRows(text, function(row, i) { + if (convert) return convert(row, i - 1); + columns = row, convert = f ? customConverter(row, f) : objectConverter(row); + }); + rows.columns = columns; + return rows; } - CardinalClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 2: { - this._context.lineTo(this._x3, this._y3); - this._context.closePath(); - break; + function parseRows(text, f) { + var EOL = {}, // sentinel value for end-of-line + EOF = {}, // sentinel value for end-of-file + rows = [], // output rows + N = text.length, + I = 0, // current character index + n = 0, // the current line number + t, // the current token + eol; // is the current token followed by EOL? + + function token() { + if (I >= N) return EOF; // special case: end of file + if (eol) return eol = false, EOL; // special case: end of line + + // special case: quotes + var j = I, c; + if (text.charCodeAt(j) === 34) { + var i = j; + while (i++ < N) { + if (text.charCodeAt(i) === 34) { + if (text.charCodeAt(i + 1) !== 34) break; + ++i; + } } - case 3: { - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - this.point(this._x5, this._y5); - break; + I = i + 2; + c = text.charCodeAt(i + 1); + if (c === 13) { + eol = true; + if (text.charCodeAt(i + 2) === 10) ++I; + } else if (c === 10) { + eol = true; } + return text.slice(j + 1, i).replace(/""/g, "\""); } - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._x3 = x, this._y3 = y; break; - case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; - case 2: this._point = 3; this._x5 = x, this._y5 = y; break; - default: point$1(this, x, y); break; + + // common case: find next delimiter or newline + while (I < N) { + var k = 1; + c = text.charCodeAt(I++); + if (c === 10) eol = true; // \n + else if (c === 13) { eol = true; if (text.charCodeAt(I) === 10) ++I, ++k; } // \r|\r\n + else if (c !== delimiterCode) continue; + return text.slice(j, I - k); } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } - }; - var cardinalClosed = (function custom(tension) { + // special case: last token before EOF + return text.slice(j); + } - function cardinal(context) { - return new CardinalClosed(context, tension); + while ((t = token()) !== EOF) { + var a = []; + while (t !== EOL && t !== EOF) { + a.push(t); + t = token(); + } + if (f && (a = f(a, n++)) == null) continue; + rows.push(a); } - cardinal.tension = function(tension) { - return custom(+tension); - }; + return rows; + } + + function format(rows, columns) { + if (columns == null) columns = inferColumns(rows); + return [columns.map(formatValue).join(delimiter)].concat(rows.map(function(row) { + return columns.map(function(column) { + return formatValue(row[column]); + }).join(delimiter); + })).join("\n"); + } - return cardinal; - })(0); + function formatRows(rows) { + return rows.map(formatRow).join("\n"); + } + + function formatRow(row) { + return row.map(formatValue).join(delimiter); + } + + function formatValue(text) { + return text == null ? "" + : reFormat.test(text += "") ? "\"" + text.replace(/\"/g, "\"\"") + "\"" + : text; + } - function CardinalOpen(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; + return { + parse: parse, + parseRows: parseRows, + format: format, + formatRows: formatRows + }; +} + +var csv = dsv(","); + +var csvParse = csv.parse; +var csvParseRows = csv.parseRows; +var csvFormat = csv.format; +var csvFormatRows = csv.formatRows; + +var tsv = dsv("\t"); + +var tsvParse = tsv.parse; +var tsvParseRows = tsv.parseRows; +var tsvFormat = tsv.format; +var tsvFormatRows = tsv.formatRows; + +var request = function(url, callback) { + var request, + event = dispatch("beforesend", "progress", "load", "error"), + mimeType, + headers = map$1(), + xhr = new XMLHttpRequest, + user = null, + password = null, + response, + responseType, + timeout = 0; + + // If IE does not support CORS, use XDomainRequest. + if (typeof XDomainRequest !== "undefined" + && !("withCredentials" in xhr) + && /^(http(s)?:)?\/\//.test(url)) xhr = new XDomainRequest; + + "onload" in xhr + ? xhr.onload = xhr.onerror = xhr.ontimeout = respond + : xhr.onreadystatechange = function(o) { xhr.readyState > 3 && respond(o); }; + + function respond(o) { + var status = xhr.status, result; + if (!status && hasResponse(xhr) + || status >= 200 && status < 300 + || status === 304) { + if (response) { + try { + result = response.call(request, xhr); + } catch (e) { + event.call("error", request, e); + return; + } + } else { + result = xhr; + } + event.call("load", request, result); + } else { + event.call("error", request, o); + } } - CardinalOpen.prototype = { - areaStart: function() { - this._line = 0; + xhr.onprogress = function(e) { + event.call("progress", request, e); + }; + + request = { + header: function(name, value) { + name = (name + "").toLowerCase(); + if (arguments.length < 2) return headers.get(name); + if (value == null) headers.remove(name); + else headers.set(name, value + ""); + return request; }, - areaEnd: function() { - this._line = NaN; + + // If mimeType is non-null and no Accept header is set, a default is used. + mimeType: function(value) { + if (!arguments.length) return mimeType; + mimeType = value == null ? null : value + ""; + return request; }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._point = 0; + + // Specifies what type the response value should take; + // for instance, arraybuffer, blob, document, or text. + responseType: function(value) { + if (!arguments.length) return responseType; + responseType = value; + return request; }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; + + timeout: function(value) { + if (!arguments.length) return timeout; + timeout = +value; + return request; + }, + + user: function(value) { + return arguments.length < 1 ? user : (user = value == null ? null : value + "", request); }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed - default: point$1(this, x, y); break; - } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } - }; - var cardinalOpen = (function custom(tension) { + password: function(value) { + return arguments.length < 1 ? password : (password = value == null ? null : value + "", request); + }, - function cardinal(context) { - return new CardinalOpen(context, tension); - } + // Specify how to convert the response content to a specific type; + // changes the callback value on "load" events. + response: function(value) { + response = value; + return request; + }, - cardinal.tension = function(tension) { - return custom(+tension); - }; + // Alias for send("GET", …). + get: function(data, callback) { + return request.send("GET", data, callback); + }, - return cardinal; - })(0); + // Alias for send("POST", …). + post: function(data, callback) { + return request.send("POST", data, callback); + }, - function point$2(that, x, y) { - var x1 = that._x1, - y1 = that._y1, - x2 = that._x2, - y2 = that._y2; + // If callback is non-null, it will be used for error and load events. + send: function(method, data, callback) { + xhr.open(method, url, true, user, password); + if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*"); + if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); }); + if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType); + if (responseType != null) xhr.responseType = responseType; + if (timeout > 0) xhr.timeout = timeout; + if (callback == null && typeof data === "function") callback = data, data = null; + if (callback != null && callback.length === 1) callback = fixCallback(callback); + if (callback != null) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); }); + event.call("beforesend", request, xhr); + xhr.send(data == null ? null : data); + return request; + }, - if (that._l01_a > epsilon$1) { - var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a, - n = 3 * that._l01_a * (that._l01_a + that._l12_a); - x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n; - y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n; - } + abort: function() { + xhr.abort(); + return request; + }, - if (that._l23_a > epsilon$1) { - var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a, - m = 3 * that._l23_a * (that._l23_a + that._l12_a); - x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m; - y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m; + on: function() { + var value = event.on.apply(event, arguments); + return value === event ? request : value; } + }; - that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2); + if (callback != null) { + if (typeof callback !== "function") throw new Error("invalid callback: " + callback); + return request.get(callback); } - function CatmullRom(context, alpha) { - this._context = context; - this._alpha = alpha; + return request; +} + +function fixCallback(callback) { + return function(error, xhr) { + callback(error == null ? xhr : null); + }; +} + +function hasResponse(xhr) { + var type = xhr.responseType; + return type && type !== "text" + ? xhr.response // null on error + : xhr.responseText; // "" on error +} + +var type = function(defaultMimeType, response) { + return function(url, callback) { + var r = request(url).mimeType(defaultMimeType).response(response); + if (callback != null) { + if (typeof callback !== "function") throw new Error("invalid callback: " + callback); + return r.get(callback); + } + return r; + }; +} + +var html = type("text/html", function(xhr) { + return document.createRange().createContextualFragment(xhr.responseText); +}); + +var json = type("application/json", function(xhr) { + return JSON.parse(xhr.responseText); +}); + +var text = type("text/plain", function(xhr) { + return xhr.responseText; +}); + +var xml = type("application/xml", function(xhr) { + var xml = xhr.responseXML; + if (!xml) throw new Error("parse error"); + return xml; +}); + +var dsv$1 = function(defaultMimeType, parse) { + return function(url, row, callback) { + if (arguments.length < 3) callback = row, row = null; + var r = request(url).mimeType(defaultMimeType); + r.row = function(_) { return arguments.length ? r.response(responseOf(parse, row = _)) : row; }; + r.row(row); + return callback ? r.get(callback) : r; + }; +} + +function responseOf(parse, row) { + return function(request$$1) { + return parse(request$$1.responseText, row); + }; +} + +var csv$1 = dsv$1("text/csv", csvParse); + +var tsv$1 = dsv$1("text/tab-separated-values", tsvParse); + +var frame = 0; +var timeout = 0; +var interval = 0; +var pokeDelay = 1000; +var taskHead; +var taskTail; +var clockLast = 0; +var clockNow = 0; +var clockSkew = 0; +var clock = typeof performance === "object" && performance.now ? performance : Date; +var setFrame = typeof requestAnimationFrame === "function" ? requestAnimationFrame : function(f) { setTimeout(f, 17); }; + +function now() { + return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew); +} + +function clearNow() { + clockNow = 0; +} + +function Timer() { + this._call = + this._time = + this._next = null; +} + +Timer.prototype = timer.prototype = { + constructor: Timer, + restart: function(callback, delay, time) { + if (typeof callback !== "function") throw new TypeError("callback is not a function"); + time = (time == null ? now() : +time) + (delay == null ? 0 : +delay); + if (!this._next && taskTail !== this) { + if (taskTail) taskTail._next = this; + else taskHead = this; + taskTail = this; + } + this._call = callback; + this._time = time; + sleep(); + }, + stop: function() { + if (this._call) { + this._call = null; + this._time = Infinity; + sleep(); + } + } +}; + +function timer(callback, delay, time) { + var t = new Timer; + t.restart(callback, delay, time); + return t; +} + +function timerFlush() { + now(); // Get the current time, if not already set. + ++frame; // Pretend we’ve set an alarm, if we haven’t already. + var t = taskHead, e; + while (t) { + if ((e = clockNow - t._time) >= 0) t._call.call(null, e); + t = t._next; + } + --frame; +} + +function wake() { + clockNow = (clockLast = clock.now()) + clockSkew; + frame = timeout = 0; + try { + timerFlush(); + } finally { + frame = 0; + nap(); + clockNow = 0; } +} - CatmullRom.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x2, this._y2); break; - case 3: this.point(this, this._x2, this._y2); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; +function poke$1() { + var now = clock.now(), delay = now - clockLast; + if (delay > pokeDelay) clockSkew -= delay, clockLast = now; +} - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } +function nap() { + var t0, t1 = taskHead, t2, time = Infinity; + while (t1) { + if (t1._call) { + if (time > t1._time) time = t1._time; + t0 = t1, t1 = t1._next; + } else { + t2 = t1._next, t1._next = null; + t1 = t0 ? t0._next = t2 : taskHead = t2; + } + } + taskTail = t0; + sleep(time); +} + +function sleep(time) { + if (frame) return; // Soonest alarm already set, or will be. + if (timeout) timeout = clearTimeout(timeout); + var delay = time - clockNow; + if (delay > 24) { + if (time < Infinity) timeout = setTimeout(wake, delay); + if (interval) interval = clearInterval(interval); + } else { + if (!interval) interval = setInterval(poke$1, pokeDelay); + frame = 1, setFrame(wake); + } +} + +var timeout$1 = function(callback, delay, time) { + var t = new Timer; + delay = delay == null ? 0 : +delay; + t.restart(function(elapsed) { + t.stop(); + callback(elapsed + delay); + }, delay, time); + return t; +} + +var interval$1 = function(callback, delay, time) { + var t = new Timer, total = delay; + if (delay == null) return t.restart(callback, delay, time), t; + delay = +delay, time = time == null ? now() : +time; + t.restart(function tick(elapsed) { + elapsed += total; + t.restart(tick, total += delay, time); + callback(elapsed); + }, delay, time); + return t; +} + +var t0$1 = new Date; +var t1$1 = new Date; + +function newInterval(floori, offseti, count, field) { + + function interval(date) { + return floori(date = new Date(+date)), date; + } + + interval.floor = interval; + + interval.ceil = function(date) { + return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; + }; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; // proceed - default: point$2(this, x, y); break; - } + interval.round = function(date) { + var d0 = interval(date), + d1 = interval.ceil(date); + return date - d0 < d1 - date ? d0 : d1; + }; - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } + interval.offset = function(date, step) { + return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; }; - var catmullRom = (function custom(alpha) { + interval.range = function(start, stop, step) { + var range = []; + start = interval.ceil(start); + step = step == null ? 1 : Math.floor(step); + if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date + do range.push(new Date(+start)); while (offseti(start, step), floori(start), start < stop) + return range; + }; - function catmullRom(context) { - return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); - } + interval.filter = function(test) { + return newInterval(function(date) { + while (floori(date), !test(date)) date.setTime(date - 1); + }, function(date, step) { + while (--step >= 0) while (offseti(date, 1), !test(date)) {} // eslint-disable-line no-empty + }); + }; - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; + if (count) { + interval.count = function(start, end) { + t0$1.setTime(+start), t1$1.setTime(+end); + floori(t0$1), floori(t1$1); + return Math.floor(count(t0$1, t1$1)); + }; + + interval.every = function(step) { + step = Math.floor(step); + return !isFinite(step) || !(step > 0) ? null + : !(step > 1) ? interval + : interval.filter(field + ? function(d) { return field(d) % step === 0; } + : function(d) { return interval.count(0, d) % step === 0; }); + }; + } + + return interval; +} + +var millisecond = newInterval(function() { + // noop +}, function(date, step) { + date.setTime(+date + step); +}, function(start, end) { + return end - start; +}); + +// An optimized implementation for this simple case. +millisecond.every = function(k) { + k = Math.floor(k); + if (!isFinite(k) || !(k > 0)) return null; + if (!(k > 1)) return millisecond; + return newInterval(function(date) { + date.setTime(Math.floor(date / k) * k); + }, function(date, step) { + date.setTime(+date + step * k); + }, function(start, end) { + return (end - start) / k; + }); +}; + +var milliseconds = millisecond.range; + +var durationSecond = 1e3; +var durationMinute = 6e4; +var durationHour = 36e5; +var durationDay = 864e5; +var durationWeek = 6048e5; + +var second = newInterval(function(date) { + date.setTime(Math.floor(date / durationSecond) * durationSecond); +}, function(date, step) { + date.setTime(+date + step * durationSecond); +}, function(start, end) { + return (end - start) / durationSecond; +}, function(date) { + return date.getUTCSeconds(); +}); + +var seconds = second.range; + +var minute = newInterval(function(date) { + date.setTime(Math.floor(date / durationMinute) * durationMinute); +}, function(date, step) { + date.setTime(+date + step * durationMinute); +}, function(start, end) { + return (end - start) / durationMinute; +}, function(date) { + return date.getMinutes(); +}); + +var minutes = minute.range; + +var hour = newInterval(function(date) { + var offset = date.getTimezoneOffset() * durationMinute % durationHour; + if (offset < 0) offset += durationHour; + date.setTime(Math.floor((+date - offset) / durationHour) * durationHour + offset); +}, function(date, step) { + date.setTime(+date + step * durationHour); +}, function(start, end) { + return (end - start) / durationHour; +}, function(date) { + return date.getHours(); +}); + +var hours = hour.range; + +var day = newInterval(function(date) { + date.setHours(0, 0, 0, 0); +}, function(date, step) { + date.setDate(date.getDate() + step); +}, function(start, end) { + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay; +}, function(date) { + return date.getDate() - 1; +}); + +var days = day.range; + +function weekday(i) { + return newInterval(function(date) { + date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setDate(date.getDate() + step * 7); + }, function(start, end) { + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; + }); +} + +var sunday = weekday(0); +var monday = weekday(1); +var tuesday = weekday(2); +var wednesday = weekday(3); +var thursday = weekday(4); +var friday = weekday(5); +var saturday = weekday(6); + +var sundays = sunday.range; +var mondays = monday.range; +var tuesdays = tuesday.range; +var wednesdays = wednesday.range; +var thursdays = thursday.range; +var fridays = friday.range; +var saturdays = saturday.range; + +var month = newInterval(function(date) { + date.setDate(1); + date.setHours(0, 0, 0, 0); +}, function(date, step) { + date.setMonth(date.getMonth() + step); +}, function(start, end) { + return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; +}, function(date) { + return date.getMonth(); +}); + +var months = month.range; + +var year = newInterval(function(date) { + date.setMonth(0, 1); + date.setHours(0, 0, 0, 0); +}, function(date, step) { + date.setFullYear(date.getFullYear() + step); +}, function(start, end) { + return end.getFullYear() - start.getFullYear(); +}, function(date) { + return date.getFullYear(); +}); + +// An optimized implementation for this simple case. +year.every = function(k) { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { + date.setFullYear(Math.floor(date.getFullYear() / k) * k); + date.setMonth(0, 1); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setFullYear(date.getFullYear() + step * k); + }); +}; + +var years = year.range; + +var utcMinute = newInterval(function(date) { + date.setUTCSeconds(0, 0); +}, function(date, step) { + date.setTime(+date + step * durationMinute); +}, function(start, end) { + return (end - start) / durationMinute; +}, function(date) { + return date.getUTCMinutes(); +}); + +var utcMinutes = utcMinute.range; + +var utcHour = newInterval(function(date) { + date.setUTCMinutes(0, 0, 0); +}, function(date, step) { + date.setTime(+date + step * durationHour); +}, function(start, end) { + return (end - start) / durationHour; +}, function(date) { + return date.getUTCHours(); +}); + +var utcHours = utcHour.range; + +var utcDay = newInterval(function(date) { + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCDate(date.getUTCDate() + step); +}, function(start, end) { + return (end - start) / durationDay; +}, function(date) { + return date.getUTCDate() - 1; +}); + +var utcDays = utcDay.range; + +function utcWeekday(i) { + return newInterval(function(date) { + date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCDate(date.getUTCDate() + step * 7); + }, function(start, end) { + return (end - start) / durationWeek; + }); +} + +var utcSunday = utcWeekday(0); +var utcMonday = utcWeekday(1); +var utcTuesday = utcWeekday(2); +var utcWednesday = utcWeekday(3); +var utcThursday = utcWeekday(4); +var utcFriday = utcWeekday(5); +var utcSaturday = utcWeekday(6); + +var utcSundays = utcSunday.range; +var utcMondays = utcMonday.range; +var utcTuesdays = utcTuesday.range; +var utcWednesdays = utcWednesday.range; +var utcThursdays = utcThursday.range; +var utcFridays = utcFriday.range; +var utcSaturdays = utcSaturday.range; + +var utcMonth = newInterval(function(date) { + date.setUTCDate(1); + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCMonth(date.getUTCMonth() + step); +}, function(start, end) { + return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; +}, function(date) { + return date.getUTCMonth(); +}); + +var utcMonths = utcMonth.range; + +var utcYear = newInterval(function(date) { + date.setUTCMonth(0, 1); + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCFullYear(date.getUTCFullYear() + step); +}, function(start, end) { + return end.getUTCFullYear() - start.getUTCFullYear(); +}, function(date) { + return date.getUTCFullYear(); +}); + +// An optimized implementation for this simple case. +utcYear.every = function(k) { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { + date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); + date.setUTCMonth(0, 1); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCFullYear(date.getUTCFullYear() + step * k); + }); +}; + +var utcYears = utcYear.range; + +// Computes the decimal coefficient and exponent of the specified number x with +// significant digits p, where x is positive and p is in [1, 21] or undefined. +// For example, formatDecimal(1.23) returns ["123", 0]. +var formatDecimal = function(x, p) { + if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity + var i, coefficient = x.slice(0, i); + + // The string returned by toExponential either has the form \d\.\d+e[-+]\d+ + // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3). + return [ + coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, + +x.slice(i + 1) + ]; +} - return catmullRom; - })(0.5); +var exponent$1 = function(x) { + return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; +} - function CatmullRomClosed(context, alpha) { - this._context = context; - this._alpha = alpha; - } +var formatGroup = function(grouping, thousands) { + return function(value, width) { + var i = value.length, + t = [], + j = 0, + g = grouping[0], + length = 0; - CatmullRomClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 2: { - this._context.lineTo(this._x3, this._y3); - this._context.closePath(); - break; + while (i > 0 && g > 0) { + if (length + g + 1 > width) g = Math.max(1, width - length); + t.push(value.substring(i -= g, i + g)); + if ((length += g + 1) > width) break; + g = grouping[j = (j + 1) % grouping.length]; + } + + return t.reverse().join(thousands); + }; +} + +var formatDefault = function(x, p) { + x = x.toPrecision(p); + + out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) { + switch (x[i]) { + case ".": i0 = i1 = i; break; + case "0": if (i0 === 0) i0 = i; i1 = i; break; + case "e": break out; + default: if (i0 > 0) i0 = 0; break; + } + } + + return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x; +} + +var prefixExponent; + +var formatPrefixAuto = function(x, p) { + var d = formatDecimal(x, p); + if (!d) return x + ""; + var coefficient = d[0], + exponent = d[1], + i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, + n = coefficient.length; + return i === n ? coefficient + : i > n ? coefficient + new Array(i - n + 1).join("0") + : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) + : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y! +} + +var formatRounded = function(x, p) { + var d = formatDecimal(x, p); + if (!d) return x + ""; + var coefficient = d[0], + exponent = d[1]; + return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient + : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) + : coefficient + new Array(exponent - coefficient.length + 2).join("0"); +} + +var formatTypes = { + "": formatDefault, + "%": function(x, p) { return (x * 100).toFixed(p); }, + "b": function(x) { return Math.round(x).toString(2); }, + "c": function(x) { return x + ""; }, + "d": function(x) { return Math.round(x).toString(10); }, + "e": function(x, p) { return x.toExponential(p); }, + "f": function(x, p) { return x.toFixed(p); }, + "g": function(x, p) { return x.toPrecision(p); }, + "o": function(x) { return Math.round(x).toString(8); }, + "p": function(x, p) { return formatRounded(x * 100, p); }, + "r": formatRounded, + "s": formatPrefixAuto, + "X": function(x) { return Math.round(x).toString(16).toUpperCase(); }, + "x": function(x) { return Math.round(x).toString(16); } +}; + +// [[fill]align][sign][symbol][0][width][,][.precision][type] +var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i; + +var formatSpecifier = function(specifier) { + return new FormatSpecifier(specifier); +} + +function FormatSpecifier(specifier) { + if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); + + var match, + fill = match[1] || " ", + align = match[2] || ">", + sign = match[3] || "-", + symbol = match[4] || "", + zero = !!match[5], + width = match[6] && +match[6], + comma = !!match[7], + precision = match[8] && +match[8].slice(1), + type = match[9] || ""; + + // The "n" type is an alias for ",g". + if (type === "n") comma = true, type = "g"; + + // Map invalid types to the default format. + else if (!formatTypes[type]) type = ""; + + // If zero fill is specified, padding goes after sign and before digits. + if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; + + this.fill = fill; + this.align = align; + this.sign = sign; + this.symbol = symbol; + this.zero = zero; + this.width = width; + this.comma = comma; + this.precision = precision; + this.type = type; +} + +FormatSpecifier.prototype.toString = function() { + return this.fill + + this.align + + this.sign + + this.symbol + + (this.zero ? "0" : "") + + (this.width == null ? "" : Math.max(1, this.width | 0)) + + (this.comma ? "," : "") + + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0)) + + this.type; +}; + +var prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; + +function identity$3(x) { + return x; +} + +var formatLocale = function(locale) { + var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, + currency = locale.currency, + decimal = locale.decimal; + + function newFormat(specifier) { + specifier = formatSpecifier(specifier); + + var fill = specifier.fill, + align = specifier.align, + sign = specifier.sign, + symbol = specifier.symbol, + zero = specifier.zero, + width = specifier.width, + comma = specifier.comma, + precision = specifier.precision, + type = specifier.type; + + // Compute the prefix and suffix. + // For SI-prefix, the suffix is lazily computed. + var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", + suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? "%" : ""; + + // What format function should we use? + // Is this an integer type? + // Can this type generate exponential notation? + var formatType = formatTypes[type], + maybeSuffix = !type || /[defgprs%]/.test(type); + + // Set the default precision if not specified, + // or clamp the specified precision to the supported range. + // For significant precision, it must be in [1, 21]. + // For fixed precision, it must be in [0, 20]. + precision = precision == null ? (type ? 6 : 12) + : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) + : Math.max(0, Math.min(20, precision)); + + function format(value) { + var valuePrefix = prefix, + valueSuffix = suffix, + i, n, c; + + if (type === "c") { + valueSuffix = formatType(value) + valueSuffix; + value = ""; + } else { + value = +value; + + // Convert negative to positive, and compute the prefix. + // Note that -0 is not less than 0, but 1 / -0 is! + var valueNegative = (value < 0 || 1 / value < 0) && (value *= -1, true); + + // Perform the initial formatting. + value = formatType(value, precision); + + // If the original value was negative, it may be rounded to zero during + // formatting; treat this as (positive) zero. + if (valueNegative) { + i = -1, n = value.length; + valueNegative = false; + while (++i < n) { + if (c = value.charCodeAt(i), (48 < c && c < 58) + || (type === "x" && 96 < c && c < 103) + || (type === "X" && 64 < c && c < 71)) { + valueNegative = true; + break; + } + } } - case 3: { - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - this.point(this._x5, this._y5); - break; + + // Compute the prefix and suffix. + valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; + valueSuffix = valueSuffix + (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + (valueNegative && sign === "(" ? ")" : ""); + + // Break the formatted value into the integer “value” part that can be + // grouped, and fractional or exponential “suffix” part that is not. + if (maybeSuffix) { + i = -1, n = value.length; + while (++i < n) { + if (c = value.charCodeAt(i), 48 > c || c > 57) { + valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix; + value = value.slice(0, i); + break; + } + } } } - }, - point: function(x, y) { - x = +x, y = +y; - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } + // If the fill character is not "0", grouping is applied before padding. + if (comma && !zero) value = group(value, Infinity); - switch (this._point) { - case 0: this._point = 1; this._x3 = x, this._y3 = y; break; - case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; - case 2: this._point = 3; this._x5 = x, this._y5 = y; break; - default: point$2(this, x, y); break; - } + // Compute the padding. + var length = valuePrefix.length + value.length + valueSuffix.length, + padding = length < width ? new Array(width - length + 1).join(fill) : ""; - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + // If the fill character is "0", grouping is applied after padding. + if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; + + // Reconstruct the final output based on the desired alignment. + switch (align) { + case "<": return valuePrefix + value + valueSuffix + padding; + case "=": return valuePrefix + padding + value + valueSuffix; + case "^": return padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); + } + return padding + valuePrefix + value + valueSuffix; } - }; - var catmullRomClosed = (function custom(alpha) { + format.toString = function() { + return specifier + ""; + }; - function catmullRom(context) { - return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); - } + return format; + } - catmullRom.alpha = function(alpha) { - return custom(+alpha); + function formatPrefix(specifier, value) { + var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), + e = Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3, + k = Math.pow(10, -e), + prefix = prefixes[8 + e / 3]; + return function(value) { + return f(k * value) + prefix; }; + } + + return { + format: newFormat, + formatPrefix: formatPrefix + }; +} + +var locale$1; + + + +defaultLocale({ + decimal: ".", + thousands: ",", + grouping: [3], + currency: ["$", ""] +}); + +function defaultLocale(definition) { + locale$1 = formatLocale(definition); + exports.format = locale$1.format; + exports.formatPrefix = locale$1.formatPrefix; + return locale$1; +} + +var precisionFixed = function(step) { + return Math.max(0, -exponent$1(Math.abs(step))); +} + +var precisionPrefix = function(step, value) { + return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step))); +} + +var precisionRound = function(step, max) { + step = Math.abs(step), max = Math.abs(max) - step; + return Math.max(0, exponent$1(max) - exponent$1(step)) + 1; +} + +function localDate(d) { + if (0 <= d.y && d.y < 100) { + var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); + date.setFullYear(d.y); + return date; + } + return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L); +} + +function utcDate(d) { + if (0 <= d.y && d.y < 100) { + var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L)); + date.setUTCFullYear(d.y); + return date; + } + return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); +} + +function newYear(y) { + return {y: y, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0}; +} + +function formatLocale$1(locale) { + var locale_dateTime = locale.dateTime, + locale_date = locale.date, + locale_time = locale.time, + locale_periods = locale.periods, + locale_weekdays = locale.days, + locale_shortWeekdays = locale.shortDays, + locale_months = locale.months, + locale_shortMonths = locale.shortMonths; + + var periodRe = formatRe(locale_periods), + periodLookup = formatLookup(locale_periods), + weekdayRe = formatRe(locale_weekdays), + weekdayLookup = formatLookup(locale_weekdays), + shortWeekdayRe = formatRe(locale_shortWeekdays), + shortWeekdayLookup = formatLookup(locale_shortWeekdays), + monthRe = formatRe(locale_months), + monthLookup = formatLookup(locale_months), + shortMonthRe = formatRe(locale_shortMonths), + shortMonthLookup = formatLookup(locale_shortMonths); + + var formats = { + "a": formatShortWeekday, + "A": formatWeekday, + "b": formatShortMonth, + "B": formatMonth, + "c": null, + "d": formatDayOfMonth, + "e": formatDayOfMonth, + "H": formatHour24, + "I": formatHour12, + "j": formatDayOfYear, + "L": formatMilliseconds, + "m": formatMonthNumber, + "M": formatMinutes, + "p": formatPeriod, + "S": formatSeconds, + "U": formatWeekNumberSunday, + "w": formatWeekdayNumber, + "W": formatWeekNumberMonday, + "x": null, + "X": null, + "y": formatYear, + "Y": formatFullYear, + "Z": formatZone, + "%": formatLiteralPercent + }; + + var utcFormats = { + "a": formatUTCShortWeekday, + "A": formatUTCWeekday, + "b": formatUTCShortMonth, + "B": formatUTCMonth, + "c": null, + "d": formatUTCDayOfMonth, + "e": formatUTCDayOfMonth, + "H": formatUTCHour24, + "I": formatUTCHour12, + "j": formatUTCDayOfYear, + "L": formatUTCMilliseconds, + "m": formatUTCMonthNumber, + "M": formatUTCMinutes, + "p": formatUTCPeriod, + "S": formatUTCSeconds, + "U": formatUTCWeekNumberSunday, + "w": formatUTCWeekdayNumber, + "W": formatUTCWeekNumberMonday, + "x": null, + "X": null, + "y": formatUTCYear, + "Y": formatUTCFullYear, + "Z": formatUTCZone, + "%": formatLiteralPercent + }; + + var parses = { + "a": parseShortWeekday, + "A": parseWeekday, + "b": parseShortMonth, + "B": parseMonth, + "c": parseLocaleDateTime, + "d": parseDayOfMonth, + "e": parseDayOfMonth, + "H": parseHour24, + "I": parseHour24, + "j": parseDayOfYear, + "L": parseMilliseconds, + "m": parseMonthNumber, + "M": parseMinutes, + "p": parsePeriod, + "S": parseSeconds, + "U": parseWeekNumberSunday, + "w": parseWeekdayNumber, + "W": parseWeekNumberMonday, + "x": parseLocaleDate, + "X": parseLocaleTime, + "y": parseYear, + "Y": parseFullYear, + "Z": parseZone, + "%": parseLiteralPercent + }; - return catmullRom; - })(0.5); + // These recursive directive definitions must be deferred. + formats.x = newFormat(locale_date, formats); + formats.X = newFormat(locale_time, formats); + formats.c = newFormat(locale_dateTime, formats); + utcFormats.x = newFormat(locale_date, utcFormats); + utcFormats.X = newFormat(locale_time, utcFormats); + utcFormats.c = newFormat(locale_dateTime, utcFormats); + + function newFormat(specifier, formats) { + return function(date) { + var string = [], + i = -1, + j = 0, + n = specifier.length, + c, + pad, + format; + + if (!(date instanceof Date)) date = new Date(+date); + + while (++i < n) { + if (specifier.charCodeAt(i) === 37) { + string.push(specifier.slice(j, i)); + if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i); + else pad = c === "e" ? " " : "0"; + if (format = formats[c]) c = format(date, pad); + string.push(c); + j = i + 1; + } + } - function CatmullRomOpen(context, alpha) { - this._context = context; - this._alpha = alpha; + string.push(specifier.slice(j, i)); + return string.join(""); + }; } - CatmullRomOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; + function newParse(specifier, newDate) { + return function(string) { + var d = newYear(1900), + i = parseSpecifier(d, specifier, string += "", 0); + if (i != string.length) return null; + + // The am-pm flag is 0 for AM, and 1 for PM. + if ("p" in d) d.H = d.H % 12 + d.p * 12; - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + // Convert day-of-week and week-of-year to day-of-year. + if ("W" in d || "U" in d) { + if (!("w" in d)) d.w = "W" in d ? 1 : 0; + var day$$1 = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay(); + d.m = 0; + d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$$1 + 5) % 7 : d.w + d.U * 7 - (day$$1 + 6) % 7; } - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed - default: point$2(this, x, y); break; + // If a time zone is specified, all fields are interpreted as UTC and then + // offset according to the specified time zone. + if ("Z" in d) { + d.H += d.Z / 100 | 0; + d.M += d.Z % 100; + return utcDate(d); } - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } - }; + // Otherwise, all fields are in local time. + return newDate(d); + }; + } - var catmullRomOpen = (function custom(alpha) { + function parseSpecifier(d, specifier, string, j) { + var i = 0, + n = specifier.length, + m = string.length, + c, + parse; - function catmullRom(context) { - return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); + while (i < n) { + if (j >= m) return -1; + c = specifier.charCodeAt(i++); + if (c === 37) { + c = specifier.charAt(i++); + parse = parses[c in pads ? specifier.charAt(i++) : c]; + if (!parse || ((j = parse(d, string, j)) < 0)) return -1; + } else if (c != string.charCodeAt(j++)) { + return -1; + } } - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; - - return catmullRom; - })(0.5); + return j; + } - function LinearClosed(context) { - this._context = context; + function parsePeriod(d, string, i) { + var n = periodRe.exec(string.slice(i)); + return n ? (d.p = periodLookup[n[0].toLowerCase()], i + n[0].length) : -1; } - LinearClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._point) this._context.closePath(); - }, - point: function(x, y) { - x = +x, y = +y; - if (this._point) this._context.lineTo(x, y); - else this._point = 1, this._context.moveTo(x, y); - } - }; + function parseShortWeekday(d, string, i) { + var n = shortWeekdayRe.exec(string.slice(i)); + return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; + } - function linearClosed(context) { - return new LinearClosed(context); + function parseWeekday(d, string, i) { + var n = weekdayRe.exec(string.slice(i)); + return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; } - function sign(x) { - return x < 0 ? -1 : 1; + function parseShortMonth(d, string, i) { + var n = shortMonthRe.exec(string.slice(i)); + return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1; } - // Calculate the slopes of the tangents (Hermite-type interpolation) based on - // the following paper: Steffen, M. 1990. A Simple Method for Monotonic - // Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO. - // NOV(II), P. 443, 1990. - function slope3(that, x2, y2) { - var h0 = that._x1 - that._x0, - h1 = x2 - that._x1, - s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0), - s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0), - p = (s0 * h1 + s1 * h0) / (h0 + h1); - return (sign(s0) + sign(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0; + function parseMonth(d, string, i) { + var n = monthRe.exec(string.slice(i)); + return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1; } - // Calculate a one-sided slope. - function slope2(that, t) { - var h = that._x1 - that._x0; - return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t; + function parseLocaleDateTime(d, string, i) { + return parseSpecifier(d, locale_dateTime, string, i); } - // According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations - // "you can express cubic Hermite interpolation in terms of cubic Bézier curves - // with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1". - function point$3(that, t0, t1) { - var x0 = that._x0, - y0 = that._y0, - x1 = that._x1, - y1 = that._y1, - dx = (x1 - x0) / 3; - that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1); + function parseLocaleDate(d, string, i) { + return parseSpecifier(d, locale_date, string, i); } - function MonotoneX(context) { - this._context = context; + function parseLocaleTime(d, string, i) { + return parseSpecifier(d, locale_time, string, i); } - MonotoneX.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = - this._t0 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x1, this._y1); break; - case 3: point$3(this, this._t0, slope2(this, this._t0)); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - var t1 = NaN; + function formatShortWeekday(d) { + return locale_shortWeekdays[d.getDay()]; + } - x = +x, y = +y; - if (x === this._x1 && y === this._y1) return; // Ignore coincident points. - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; point$3(this, slope2(this, t1 = slope3(this, x, y)), t1); break; - default: point$3(this, this._t0, t1 = slope3(this, x, y)); break; - } + function formatWeekday(d) { + return locale_weekdays[d.getDay()]; + } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - this._t0 = t1; - } + function formatShortMonth(d) { + return locale_shortMonths[d.getMonth()]; } - function MonotoneY(context) { - this._context = new ReflectContext(context); + function formatMonth(d) { + return locale_months[d.getMonth()]; } - (MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) { - MonotoneX.prototype.point.call(this, y, x); - }; + function formatPeriod(d) { + return locale_periods[+(d.getHours() >= 12)]; + } - function ReflectContext(context) { - this._context = context; + function formatUTCShortWeekday(d) { + return locale_shortWeekdays[d.getUTCDay()]; } - ReflectContext.prototype = { - moveTo: function(x, y) { this._context.moveTo(y, x); }, - closePath: function() { this._context.closePath(); }, - lineTo: function(x, y) { this._context.lineTo(y, x); }, - bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); } - }; + function formatUTCWeekday(d) { + return locale_weekdays[d.getUTCDay()]; + } - function monotoneX(context) { - return new MonotoneX(context); + function formatUTCShortMonth(d) { + return locale_shortMonths[d.getUTCMonth()]; } - function monotoneY(context) { - return new MonotoneY(context); + function formatUTCMonth(d) { + return locale_months[d.getUTCMonth()]; } - function Natural(context) { - this._context = context; + function formatUTCPeriod(d) { + return locale_periods[+(d.getUTCHours() >= 12)]; } - Natural.prototype = { - areaStart: function() { - this._line = 0; + return { + format: function(specifier) { + var f = newFormat(specifier += "", formats); + f.toString = function() { return specifier; }; + return f; }, - areaEnd: function() { - this._line = NaN; + parse: function(specifier) { + var p = newParse(specifier += "", localDate); + p.toString = function() { return specifier; }; + return p; }, - lineStart: function() { - this._x = []; - this._y = []; + utcFormat: function(specifier) { + var f = newFormat(specifier += "", utcFormats); + f.toString = function() { return specifier; }; + return f; }, - lineEnd: function() { - var x = this._x, - y = this._y, - n = x.length; - - if (n) { - this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]); - if (n === 2) { - this._context.lineTo(x[1], y[1]); - } else { - var px = controlPoints(x), - py = controlPoints(y); - for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) { - this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]); - } - } - } - - if (this._line || (this._line !== 0 && n === 1)) this._context.closePath(); - this._line = 1 - this._line; - this._x = this._y = null; - }, - point: function(x, y) { - this._x.push(+x); - this._y.push(+y); + utcParse: function(specifier) { + var p = newParse(specifier, utcDate); + p.toString = function() { return specifier; }; + return p; } }; +} + +var pads = {"-": "", "_": " ", "0": "0"}; +var numberRe = /^\s*\d+/; +var percentRe = /^%/; +var requoteRe = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; + +function pad(value, fill, width) { + var sign = value < 0 ? "-" : "", + string = (sign ? -value : value) + "", + length = string.length; + return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); +} + +function requote(s) { + return s.replace(requoteRe, "\\$&"); +} + +function formatRe(names) { + return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i"); +} + +function formatLookup(names) { + var map = {}, i = -1, n = names.length; + while (++i < n) map[names[i].toLowerCase()] = i; + return map; +} + +function parseWeekdayNumber(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 1)); + return n ? (d.w = +n[0], i + n[0].length) : -1; +} + +function parseWeekNumberSunday(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.U = +n[0], i + n[0].length) : -1; +} + +function parseWeekNumberMonday(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.W = +n[0], i + n[0].length) : -1; +} + +function parseFullYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 4)); + return n ? (d.y = +n[0], i + n[0].length) : -1; +} + +function parseYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1; +} + +function parseZone(d, string, i) { + var n = /^(Z)|([+-]\d\d)(?:\:?(\d\d))?/.exec(string.slice(i, i + 6)); + return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; +} + +function parseMonthNumber(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.m = n[0] - 1, i + n[0].length) : -1; +} + +function parseDayOfMonth(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.d = +n[0], i + n[0].length) : -1; +} + +function parseDayOfYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 3)); + return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1; +} + +function parseHour24(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.H = +n[0], i + n[0].length) : -1; +} + +function parseMinutes(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.M = +n[0], i + n[0].length) : -1; +} + +function parseSeconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.S = +n[0], i + n[0].length) : -1; +} + +function parseMilliseconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 3)); + return n ? (d.L = +n[0], i + n[0].length) : -1; +} + +function parseLiteralPercent(d, string, i) { + var n = percentRe.exec(string.slice(i, i + 1)); + return n ? i + n[0].length : -1; +} + +function formatDayOfMonth(d, p) { + return pad(d.getDate(), p, 2); +} + +function formatHour24(d, p) { + return pad(d.getHours(), p, 2); +} + +function formatHour12(d, p) { + return pad(d.getHours() % 12 || 12, p, 2); +} + +function formatDayOfYear(d, p) { + return pad(1 + day.count(year(d), d), p, 3); +} + +function formatMilliseconds(d, p) { + return pad(d.getMilliseconds(), p, 3); +} + +function formatMonthNumber(d, p) { + return pad(d.getMonth() + 1, p, 2); +} + +function formatMinutes(d, p) { + return pad(d.getMinutes(), p, 2); +} + +function formatSeconds(d, p) { + return pad(d.getSeconds(), p, 2); +} + +function formatWeekNumberSunday(d, p) { + return pad(sunday.count(year(d), d), p, 2); +} + +function formatWeekdayNumber(d) { + return d.getDay(); +} + +function formatWeekNumberMonday(d, p) { + return pad(monday.count(year(d), d), p, 2); +} + +function formatYear(d, p) { + return pad(d.getFullYear() % 100, p, 2); +} + +function formatFullYear(d, p) { + return pad(d.getFullYear() % 10000, p, 4); +} + +function formatZone(d) { + var z = d.getTimezoneOffset(); + return (z > 0 ? "-" : (z *= -1, "+")) + + pad(z / 60 | 0, "0", 2) + + pad(z % 60, "0", 2); +} + +function formatUTCDayOfMonth(d, p) { + return pad(d.getUTCDate(), p, 2); +} + +function formatUTCHour24(d, p) { + return pad(d.getUTCHours(), p, 2); +} + +function formatUTCHour12(d, p) { + return pad(d.getUTCHours() % 12 || 12, p, 2); +} - // See https://www.particleincell.com/2012/bezier-splines/ for derivation. - function controlPoints(x) { - var i, - n = x.length - 1, - m, - a = new Array(n), - b = new Array(n), - r = new Array(n); - a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1]; - for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1]; - a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n]; - for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1]; - a[n - 1] = r[n - 1] / b[n - 1]; - for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i]; - b[n - 1] = (x[n] + a[n - 1]) / 2; - for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1]; - return [a, b]; - } +function formatUTCDayOfYear(d, p) { + return pad(1 + utcDay.count(utcYear(d), d), p, 3); +} - function natural(context) { - return new Natural(context); - } +function formatUTCMilliseconds(d, p) { + return pad(d.getUTCMilliseconds(), p, 3); +} - function Step(context, t) { - this._context = context; - this._t = t; - } +function formatUTCMonthNumber(d, p) { + return pad(d.getUTCMonth() + 1, p, 2); +} - Step.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x = this._y = NaN; - this._point = 0; - }, - lineEnd: function() { - if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y); - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed - default: { - if (this._t <= 0) { - this._context.lineTo(this._x, y); - this._context.lineTo(x, y); - } else { - var x1 = this._x * (1 - this._t) + x * this._t; - this._context.lineTo(x1, this._y); - this._context.lineTo(x1, y); - } - break; - } - } - this._x = x, this._y = y; - } - }; +function formatUTCMinutes(d, p) { + return pad(d.getUTCMinutes(), p, 2); +} - function step(context) { - return new Step(context, 0.5); - } +function formatUTCSeconds(d, p) { + return pad(d.getUTCSeconds(), p, 2); +} - function stepBefore(context) { - return new Step(context, 0); - } +function formatUTCWeekNumberSunday(d, p) { + return pad(utcSunday.count(utcYear(d), d), p, 2); +} - function stepAfter(context) { - return new Step(context, 1); - } +function formatUTCWeekdayNumber(d) { + return d.getUTCDay(); +} - var slice$2 = Array.prototype.slice; +function formatUTCWeekNumberMonday(d, p) { + return pad(utcMonday.count(utcYear(d), d), p, 2); +} - function none(series, order) { - if (!((n = series.length) > 1)) return; - for (var i = 1, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { - s0 = s1, s1 = series[order[i]]; - for (var j = 0; j < m; ++j) { - s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; - } - } - } +function formatUTCYear(d, p) { + return pad(d.getUTCFullYear() % 100, p, 2); +} - function none$1(series) { - var n = series.length, o = new Array(n); - while (--n >= 0) o[n] = n; - return o; - } +function formatUTCFullYear(d, p) { + return pad(d.getUTCFullYear() % 10000, p, 4); +} - function stackValue(d, key) { - return d[key]; - } +function formatUTCZone() { + return "+0000"; +} - function stack() { - var keys = constant$1([]), - order = none$1, - offset = none, - value = stackValue; +function formatLiteralPercent() { + return "%"; +} - function stack(data) { - var kz = keys.apply(this, arguments), - i, - m = data.length, - n = kz.length, - sz = new Array(n), - oz; +var locale$2; - for (i = 0; i < n; ++i) { - for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) { - si[j] = sij = [0, +value(data[j], ki, j, data)]; - sij.data = data[j]; - } - si.key = ki; - } - for (i = 0, oz = order(sz); i < n; ++i) { - sz[oz[i]].index = i; - } - offset(sz, oz); - return sz; - } - stack.keys = function(_) { - return arguments.length ? (keys = typeof _ === "function" ? _ : constant$1(slice$2.call(_)), stack) : keys; - }; - stack.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$1(+_), stack) : value; - }; +defaultLocale$1({ + dateTime: "%x, %X", + date: "%-m/%-d/%Y", + time: "%-I:%M:%S %p", + periods: ["AM", "PM"], + days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], + shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], + months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], + shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"] +}); - stack.order = function(_) { - return arguments.length ? (order = _ == null ? none$1 : typeof _ === "function" ? _ : constant$1(slice$2.call(_)), stack) : order; - }; +function defaultLocale$1(definition) { + locale$2 = formatLocale$1(definition); + exports.timeFormat = locale$2.format; + exports.timeParse = locale$2.parse; + exports.utcFormat = locale$2.utcFormat; + exports.utcParse = locale$2.utcParse; + return locale$2; +} - stack.offset = function(_) { - return arguments.length ? (offset = _ == null ? none : _, stack) : offset; - }; +var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; - return stack; - } +function formatIsoNative(date) { + return date.toISOString(); +} - function expand(series, order) { - if (!((n = series.length) > 0)) return; - for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { - for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; - if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; - } - none(series, order); - } +var formatIso = Date.prototype.toISOString + ? formatIsoNative + : exports.utcFormat(isoSpecifier); - function silhouette(series, order) { - if (!((n = series.length) > 0)) return; - for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { - for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; - s0[j][1] += s0[j][0] = -y / 2; - } - none(series, order); - } +function parseIsoNative(string) { + var date = new Date(string); + return isNaN(date) ? null : date; +} - function wiggle(series, order) { - if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; - for (var y = 0, j = 1, s0, m, n; j < m; ++j) { - for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { - var si = series[order[i]], - sij0 = si[j][1] || 0, - sij1 = si[j - 1][1] || 0, - s3 = (sij0 - sij1) / 2; - for (var k = 0; k < i; ++k) { - var sk = series[order[k]], - skj0 = sk[j][1] || 0, - skj1 = sk[j - 1][1] || 0; - s3 += skj0 - skj1; - } - s1 += sij0, s2 += s3 * sij0; - } - s0[j - 1][1] += s0[j - 1][0] = y; - if (s1) y -= s2 / s1; +var parseIso = +new Date("2000-01-01T00:00:00.000Z") + ? parseIsoNative + : exports.utcParse(isoSpecifier); + +var array$2 = Array.prototype; + +var map$3 = array$2.map; +var slice$3 = array$2.slice; + +var implicit = {name: "implicit"}; + +function ordinal(range) { + var index = map$1(), + domain = [], + unknown = implicit; + + range = range == null ? [] : slice$3.call(range); + + function scale(d) { + var key = d + "", i = index.get(key); + if (!i) { + if (unknown !== implicit) return unknown; + index.set(key, i = domain.push(d)); } - s0[j - 1][1] += s0[j - 1][0] = y; - none(series, order); + return range[(i - 1) % range.length]; } - function ascending$1(series) { - var sums = series.map(sum$1); - return none$1(series).sort(function(a, b) { return sums[a] - sums[b]; }); - } + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = [], index = map$1(); + var i = -1, n = _.length, d, key; + while (++i < n) if (!index.has(key = (d = _[i]) + "")) index.set(key, domain.push(d)); + return scale; + }; - function sum$1(series) { - var s = 0, i = -1, n = series.length, v; - while (++i < n) if (v = +series[i][1]) s += v; - return s; - } + scale.range = function(_) { + return arguments.length ? (range = slice$3.call(_), scale) : range.slice(); + }; - function descending$2(series) { - return ascending$1(series).reverse(); - } + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; - function insideOut(series) { - var n = series.length, - i, - j, - sums = series.map(sum$1), - order = none$1(series).sort(function(a, b) { return sums[b] - sums[a]; }), - top = 0, - bottom = 0, - tops = [], - bottoms = []; + scale.copy = function() { + return ordinal() + .domain(domain) + .range(range) + .unknown(unknown); + }; - for (i = 0; i < n; ++i) { - j = order[i]; - if (top < bottom) { - top += sums[j]; - tops.push(j); - } else { - bottom += sums[j]; - bottoms.push(j); - } - } - - return bottoms.reverse().concat(tops); - } - - function reverse(series) { - return none$1(series).reverse(); - } - - function define(constructor, factory, prototype) { - constructor.prototype = factory.prototype = prototype; - prototype.constructor = constructor; - } - - function extend(parent, definition) { - var prototype = Object.create(parent.prototype); - for (var key in definition) prototype[key] = definition[key]; - return prototype; - } - - function Color() {} - - var darker = 0.7; - var brighter = 1 / darker; - - var reHex3 = /^#([0-9a-f]{3})$/; - var reHex6 = /^#([0-9a-f]{6})$/; - var reRgbInteger = /^rgb\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*\)$/; - var reRgbPercent = /^rgb\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/; - var reRgbaInteger = /^rgba\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; - var reRgbaPercent = /^rgba\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; - var reHslPercent = /^hsl\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/; - var reHslaPercent = /^hsla\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; - var named = { - aliceblue: 0xf0f8ff, - antiquewhite: 0xfaebd7, - aqua: 0x00ffff, - aquamarine: 0x7fffd4, - azure: 0xf0ffff, - beige: 0xf5f5dc, - bisque: 0xffe4c4, - black: 0x000000, - blanchedalmond: 0xffebcd, - blue: 0x0000ff, - blueviolet: 0x8a2be2, - brown: 0xa52a2a, - burlywood: 0xdeb887, - cadetblue: 0x5f9ea0, - chartreuse: 0x7fff00, - chocolate: 0xd2691e, - coral: 0xff7f50, - cornflowerblue: 0x6495ed, - cornsilk: 0xfff8dc, - crimson: 0xdc143c, - cyan: 0x00ffff, - darkblue: 0x00008b, - darkcyan: 0x008b8b, - darkgoldenrod: 0xb8860b, - darkgray: 0xa9a9a9, - darkgreen: 0x006400, - darkgrey: 0xa9a9a9, - darkkhaki: 0xbdb76b, - darkmagenta: 0x8b008b, - darkolivegreen: 0x556b2f, - darkorange: 0xff8c00, - darkorchid: 0x9932cc, - darkred: 0x8b0000, - darksalmon: 0xe9967a, - darkseagreen: 0x8fbc8f, - darkslateblue: 0x483d8b, - darkslategray: 0x2f4f4f, - darkslategrey: 0x2f4f4f, - darkturquoise: 0x00ced1, - darkviolet: 0x9400d3, - deeppink: 0xff1493, - deepskyblue: 0x00bfff, - dimgray: 0x696969, - dimgrey: 0x696969, - dodgerblue: 0x1e90ff, - firebrick: 0xb22222, - floralwhite: 0xfffaf0, - forestgreen: 0x228b22, - fuchsia: 0xff00ff, - gainsboro: 0xdcdcdc, - ghostwhite: 0xf8f8ff, - gold: 0xffd700, - goldenrod: 0xdaa520, - gray: 0x808080, - green: 0x008000, - greenyellow: 0xadff2f, - grey: 0x808080, - honeydew: 0xf0fff0, - hotpink: 0xff69b4, - indianred: 0xcd5c5c, - indigo: 0x4b0082, - ivory: 0xfffff0, - khaki: 0xf0e68c, - lavender: 0xe6e6fa, - lavenderblush: 0xfff0f5, - lawngreen: 0x7cfc00, - lemonchiffon: 0xfffacd, - lightblue: 0xadd8e6, - lightcoral: 0xf08080, - lightcyan: 0xe0ffff, - lightgoldenrodyellow: 0xfafad2, - lightgray: 0xd3d3d3, - lightgreen: 0x90ee90, - lightgrey: 0xd3d3d3, - lightpink: 0xffb6c1, - lightsalmon: 0xffa07a, - lightseagreen: 0x20b2aa, - lightskyblue: 0x87cefa, - lightslategray: 0x778899, - lightslategrey: 0x778899, - lightsteelblue: 0xb0c4de, - lightyellow: 0xffffe0, - lime: 0x00ff00, - limegreen: 0x32cd32, - linen: 0xfaf0e6, - magenta: 0xff00ff, - maroon: 0x800000, - mediumaquamarine: 0x66cdaa, - mediumblue: 0x0000cd, - mediumorchid: 0xba55d3, - mediumpurple: 0x9370db, - mediumseagreen: 0x3cb371, - mediumslateblue: 0x7b68ee, - mediumspringgreen: 0x00fa9a, - mediumturquoise: 0x48d1cc, - mediumvioletred: 0xc71585, - midnightblue: 0x191970, - mintcream: 0xf5fffa, - mistyrose: 0xffe4e1, - moccasin: 0xffe4b5, - navajowhite: 0xffdead, - navy: 0x000080, - oldlace: 0xfdf5e6, - olive: 0x808000, - olivedrab: 0x6b8e23, - orange: 0xffa500, - orangered: 0xff4500, - orchid: 0xda70d6, - palegoldenrod: 0xeee8aa, - palegreen: 0x98fb98, - paleturquoise: 0xafeeee, - palevioletred: 0xdb7093, - papayawhip: 0xffefd5, - peachpuff: 0xffdab9, - peru: 0xcd853f, - pink: 0xffc0cb, - plum: 0xdda0dd, - powderblue: 0xb0e0e6, - purple: 0x800080, - rebeccapurple: 0x663399, - red: 0xff0000, - rosybrown: 0xbc8f8f, - royalblue: 0x4169e1, - saddlebrown: 0x8b4513, - salmon: 0xfa8072, - sandybrown: 0xf4a460, - seagreen: 0x2e8b57, - seashell: 0xfff5ee, - sienna: 0xa0522d, - silver: 0xc0c0c0, - skyblue: 0x87ceeb, - slateblue: 0x6a5acd, - slategray: 0x708090, - slategrey: 0x708090, - snow: 0xfffafa, - springgreen: 0x00ff7f, - steelblue: 0x4682b4, - tan: 0xd2b48c, - teal: 0x008080, - thistle: 0xd8bfd8, - tomato: 0xff6347, - turquoise: 0x40e0d0, - violet: 0xee82ee, - wheat: 0xf5deb3, - white: 0xffffff, - whitesmoke: 0xf5f5f5, - yellow: 0xffff00, - yellowgreen: 0x9acd32 - }; - - define(Color, color, { - displayable: function() { - return this.rgb().displayable(); - }, - toString: function() { - return this.rgb() + ""; - } - }); + return scale; +} + +function band() { + var scale = ordinal().unknown(undefined), + domain = scale.domain, + ordinalRange = scale.range, + range$$1 = [0, 1], + step, + bandwidth, + round = false, + paddingInner = 0, + paddingOuter = 0, + align = 0.5; + + delete scale.unknown; + + function rescale() { + var n = domain().length, + reverse = range$$1[1] < range$$1[0], + start = range$$1[reverse - 0], + stop = range$$1[1 - reverse]; + step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); + if (round) step = Math.floor(step); + start += (stop - start - step * (n - paddingInner)) * align; + bandwidth = step * (1 - paddingInner); + if (round) start = Math.round(start), bandwidth = Math.round(bandwidth); + var values = range(n).map(function(i) { return start + step * i; }); + return ordinalRange(reverse ? values.reverse() : values); + } + + scale.domain = function(_) { + return arguments.length ? (domain(_), rescale()) : domain(); + }; - function color(format) { - var m; - format = (format + "").trim().toLowerCase(); - return (m = reHex3.exec(format)) ? (m = parseInt(m[1], 16), new Rgb((m >> 8 & 0xf) | (m >> 4 & 0x0f0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1)) // #f00 - : (m = reHex6.exec(format)) ? rgbn(parseInt(m[1], 16)) // #ff0000 - : (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0) - : (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%) - : (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1) - : (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1) - : (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%) - : (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1) - : named.hasOwnProperty(format) ? rgbn(named[format]) - : format === "transparent" ? new Rgb(NaN, NaN, NaN, 0) - : null; - } + scale.range = function(_) { + return arguments.length ? (range$$1 = [+_[0], +_[1]], rescale()) : range$$1.slice(); + }; - function rgbn(n) { - return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1); - } + scale.rangeRound = function(_) { + return range$$1 = [+_[0], +_[1]], round = true, rescale(); + }; - function rgba(r, g, b, a) { - if (a <= 0) r = g = b = NaN; - return new Rgb(r, g, b, a); - } + scale.bandwidth = function() { + return bandwidth; + }; - function rgbConvert(o) { - if (!(o instanceof Color)) o = color(o); - if (!o) return new Rgb; - o = o.rgb(); - return new Rgb(o.r, o.g, o.b, o.opacity); - } + scale.step = function() { + return step; + }; - function colorRgb(r, g, b, opacity) { - return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity); - } + scale.round = function(_) { + return arguments.length ? (round = !!_, rescale()) : round; + }; - function Rgb(r, g, b, opacity) { - this.r = +r; - this.g = +g; - this.b = +b; - this.opacity = +opacity; - } + scale.padding = function(_) { + return arguments.length ? (paddingInner = paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; + }; - define(Rgb, colorRgb, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); - }, - rgb: function() { - return this; - }, - displayable: function() { - return (0 <= this.r && this.r <= 255) - && (0 <= this.g && this.g <= 255) - && (0 <= this.b && this.b <= 255) - && (0 <= this.opacity && this.opacity <= 1); - }, - toString: function() { - var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); - return (a === 1 ? "rgb(" : "rgba(") - + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.b) || 0)) - + (a === 1 ? ")" : ", " + a + ")"); - } - })); - - function hsla(h, s, l, a) { - if (a <= 0) h = s = l = NaN; - else if (l <= 0 || l >= 1) h = s = NaN; - else if (s <= 0) h = NaN; - return new Hsl(h, s, l, a); - } - - function hslConvert(o) { - if (o instanceof Hsl) return new Hsl(o.h, o.s, o.l, o.opacity); - if (!(o instanceof Color)) o = color(o); - if (!o) return new Hsl; - if (o instanceof Hsl) return o; - o = o.rgb(); - var r = o.r / 255, - g = o.g / 255, - b = o.b / 255, - min = Math.min(r, g, b), - max = Math.max(r, g, b), - h = NaN, - s = max - min, - l = (max + min) / 2; - if (s) { - if (r === max) h = (g - b) / s + (g < b) * 6; - else if (g === max) h = (b - r) / s + 2; - else h = (r - g) / s + 4; - s /= l < 0.5 ? max + min : 2 - max - min; - h *= 60; - } else { - s = l > 0 && l < 1 ? 0 : h; - } - return new Hsl(h, s, l, o.opacity); - } + scale.paddingInner = function(_) { + return arguments.length ? (paddingInner = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; + }; - function colorHsl(h, s, l, opacity) { - return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity); - } + scale.paddingOuter = function(_) { + return arguments.length ? (paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingOuter; + }; - function Hsl(h, s, l, opacity) { - this.h = +h; - this.s = +s; - this.l = +l; - this.opacity = +opacity; - } + scale.align = function(_) { + return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align; + }; - define(Hsl, colorHsl, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Hsl(this.h, this.s, this.l * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Hsl(this.h, this.s, this.l * k, this.opacity); - }, - rgb: function() { - var h = this.h % 360 + (this.h < 0) * 360, - s = isNaN(h) || isNaN(this.s) ? 0 : this.s, - l = this.l, - m2 = l + (l < 0.5 ? l : 1 - l) * s, - m1 = 2 * l - m2; - return new Rgb( - hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2), - hsl2rgb(h, m1, m2), - hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2), - this.opacity - ); - }, - displayable: function() { - return (0 <= this.s && this.s <= 1 || isNaN(this.s)) - && (0 <= this.l && this.l <= 1) - && (0 <= this.opacity && this.opacity <= 1); - } - })); - - /* From FvD 13.37, CSS Color Module Level 3 */ - function hsl2rgb(h, m1, m2) { - return (h < 60 ? m1 + (m2 - m1) * h / 60 - : h < 180 ? m2 - : h < 240 ? m1 + (m2 - m1) * (240 - h) / 60 - : m1) * 255; - } - - var deg2rad = Math.PI / 180; - var rad2deg = 180 / Math.PI; - - var Kn = 18; - var Xn = 0.950470; - var Yn = 1; - var Zn = 1.088830; - var t0 = 4 / 29; - var t1 = 6 / 29; - var t2 = 3 * t1 * t1; - var t3 = t1 * t1 * t1; - function labConvert(o) { - if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); - if (o instanceof Hcl) { - var h = o.h * deg2rad; - return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); - } - if (!(o instanceof Rgb)) o = rgbConvert(o); - var b = rgb2xyz(o.r), - a = rgb2xyz(o.g), - l = rgb2xyz(o.b), - x = xyz2lab((0.4124564 * b + 0.3575761 * a + 0.1804375 * l) / Xn), - y = xyz2lab((0.2126729 * b + 0.7151522 * a + 0.0721750 * l) / Yn), - z = xyz2lab((0.0193339 * b + 0.1191920 * a + 0.9503041 * l) / Zn); - return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity); - } - - function lab(l, a, b, opacity) { - return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity); - } - - function Lab(l, a, b, opacity) { - this.l = +l; - this.a = +a; - this.b = +b; - this.opacity = +opacity; - } - - define(Lab, lab, extend(Color, { - brighter: function(k) { - return new Lab(this.l + Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); - }, - darker: function(k) { - return new Lab(this.l - Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); - }, - rgb: function() { - var y = (this.l + 16) / 116, - x = isNaN(this.a) ? y : y + this.a / 500, - z = isNaN(this.b) ? y : y - this.b / 200; - y = Yn * lab2xyz(y); - x = Xn * lab2xyz(x); - z = Zn * lab2xyz(z); - return new Rgb( - xyz2rgb( 3.2404542 * x - 1.5371385 * y - 0.4985314 * z), // D65 -> sRGB - xyz2rgb(-0.9692660 * x + 1.8760108 * y + 0.0415560 * z), - xyz2rgb( 0.0556434 * x - 0.2040259 * y + 1.0572252 * z), - this.opacity - ); - } - })); + scale.copy = function() { + return band() + .domain(domain()) + .range(range$$1) + .round(round) + .paddingInner(paddingInner) + .paddingOuter(paddingOuter) + .align(align); + }; - function xyz2lab(t) { - return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0; - } + return rescale(); +} - function lab2xyz(t) { - return t > t1 ? t * t * t : t2 * (t - t0); - } +function pointish(scale) { + var copy = scale.copy; - function xyz2rgb(x) { - return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055); - } + scale.padding = scale.paddingOuter; + delete scale.paddingInner; + delete scale.paddingOuter; - function rgb2xyz(x) { - return (x /= 255) <= 0.04045 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4); - } + scale.copy = function() { + return pointish(copy()); + }; - function hclConvert(o) { - if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); - if (!(o instanceof Lab)) o = labConvert(o); - var h = Math.atan2(o.b, o.a) * rad2deg; - return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); - } + return scale; +} - function colorHcl(h, c, l, opacity) { - return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity); - } +function point$4() { + return pointish(band().paddingInner(1)); +} - function Hcl(h, c, l, opacity) { - this.h = +h; - this.c = +c; - this.l = +l; - this.opacity = +opacity; - } +var constant$4 = function(x) { + return function() { + return x; + }; +} - define(Hcl, colorHcl, extend(Color, { - brighter: function(k) { - return new Hcl(this.h, this.c, this.l + Kn * (k == null ? 1 : k), this.opacity); - }, - darker: function(k) { - return new Hcl(this.h, this.c, this.l - Kn * (k == null ? 1 : k), this.opacity); - }, - rgb: function() { - return labConvert(this).rgb(); - } - })); - - var A = -0.14861; - var B = +1.78277; - var C = -0.29227; - var D = -0.90649; - var E = +1.97294; - var ED = E * D; - var EB = E * B; - var BC_DA = B * C - D * A; - function cubehelixConvert(o) { - if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity); - if (!(o instanceof Rgb)) o = rgbConvert(o); - var r = o.r / 255, - g = o.g / 255, - b = o.b / 255, - l = (BC_DA * b + ED * r - EB * g) / (BC_DA + ED - EB), - bl = b - l, - k = (E * (g - l) - C * bl) / D, - s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1 - h = s ? Math.atan2(k, bl) * rad2deg - 120 : NaN; - return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity); - } - - function cubehelix(h, s, l, opacity) { - return arguments.length === 1 ? cubehelixConvert(h) : new Cubehelix(h, s, l, opacity == null ? 1 : opacity); - } - - function Cubehelix(h, s, l, opacity) { - this.h = +h; - this.s = +s; - this.l = +l; - this.opacity = +opacity; - } - - define(Cubehelix, cubehelix, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Cubehelix(this.h, this.s, this.l * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Cubehelix(this.h, this.s, this.l * k, this.opacity); - }, - rgb: function() { - var h = isNaN(this.h) ? 0 : (this.h + 120) * deg2rad, - l = +this.l, - a = isNaN(this.s) ? 0 : this.s * l * (1 - l), - cosh = Math.cos(h), - sinh = Math.sin(h); - return new Rgb( - 255 * (l + a * (A * cosh + B * sinh)), - 255 * (l + a * (C * cosh + D * sinh)), - 255 * (l + a * (E * cosh)), - this.opacity - ); - } - })); +var number$1 = function(x) { + return +x; +} - function basis$1(t1, v0, v1, v2, v3) { - var t2 = t1 * t1, t3 = t2 * t1; - return ((1 - 3 * t1 + 3 * t2 - t3) * v0 - + (4 - 6 * t2 + 3 * t3) * v1 - + (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2 - + t3 * v3) / 6; - } +var unit = [0, 1]; - function basis$2(values) { - var n = values.length - 1; - return function(t) { - var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n), - v1 = values[i], - v2 = values[i + 1], - v0 = i > 0 ? values[i - 1] : 2 * v1 - v2, - v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; - return basis$1((t - i / n) * n, v0, v1, v2, v3); - }; - } +function deinterpolateLinear(a, b) { + return (b -= (a = +a)) + ? function(x) { return (x - a) / b; } + : constant$4(b); +} - function basisClosed$1(values) { - var n = values.length; - return function(t) { - var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n), - v0 = values[(i + n - 1) % n], - v1 = values[i % n], - v2 = values[(i + 1) % n], - v3 = values[(i + 2) % n]; - return basis$1((t - i / n) * n, v0, v1, v2, v3); - }; - } +function deinterpolateClamp(deinterpolate) { + return function(a, b) { + var d = deinterpolate(a = +a, b = +b); + return function(x) { return x <= a ? 0 : x >= b ? 1 : d(x); }; + }; +} - function constant$2(x) { - return function() { - return x; - }; - } +function reinterpolateClamp(reinterpolate) { + return function(a, b) { + var r = reinterpolate(a = +a, b = +b); + return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; + }; +} - function linear$1(a, d) { - return function(t) { - return a + t * d; - }; - } +function bimap(domain, range$$1, deinterpolate, reinterpolate) { + var d0 = domain[0], d1 = domain[1], r0 = range$$1[0], r1 = range$$1[1]; + if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); + else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); + return function(x) { return r0(d0(x)); }; +} - function exponential$1(a, b, y) { - return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) { - return Math.pow(a + t * b, y); - }; +function polymap(domain, range$$1, deinterpolate, reinterpolate) { + var j = Math.min(domain.length, range$$1.length) - 1, + d = new Array(j), + r = new Array(j), + i = -1; + + // Reverse descending domains. + if (domain[j] < domain[0]) { + domain = domain.slice().reverse(); + range$$1 = range$$1.slice().reverse(); } - function hue(a, b) { - var d = b - a; - return d ? linear$1(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$2(isNaN(a) ? b : a); + while (++i < j) { + d[i] = deinterpolate(domain[i], domain[i + 1]); + r[i] = reinterpolate(range$$1[i], range$$1[i + 1]); } - function gamma(y) { - return (y = +y) === 1 ? nogamma : function(a, b) { - return b - a ? exponential$1(a, b, y) : constant$2(isNaN(a) ? b : a); - }; + return function(x) { + var i = bisectRight(domain, x, 1, j) - 1; + return r[i](d[i](x)); + }; +} + +function copy(source, target) { + return target + .domain(source.domain()) + .range(source.range()) + .interpolate(source.interpolate()) + .clamp(source.clamp()); +} + +// deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. +// reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. +function continuous(deinterpolate, reinterpolate) { + var domain = unit, + range$$1 = unit, + interpolate$$1 = interpolate, + clamp = false, + piecewise, + output, + input; + + function rescale() { + piecewise = Math.min(domain.length, range$$1.length) > 2 ? polymap : bimap; + output = input = null; + return scale; } - function nogamma(a, b) { - var d = b - a; - return d ? linear$1(a, d) : constant$2(isNaN(a) ? b : a); + function scale(x) { + return (output || (output = piecewise(domain, range$$1, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x); } - var interpolateRgb = (function rgbGamma(y) { - var color = gamma(y); + scale.invert = function(y) { + return (input || (input = piecewise(range$$1, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); + }; - function rgb(start, end) { - var r = color((start = colorRgb(start)).r, (end = colorRgb(end)).r), - g = color(start.g, end.g), - b = color(start.b, end.b), - opacity = color(start.opacity, end.opacity); - return function(t) { - start.r = r(t); - start.g = g(t); - start.b = b(t); - start.opacity = opacity(t); - return start + ""; - }; - } + scale.domain = function(_) { + return arguments.length ? (domain = map$3.call(_, number$1), rescale()) : domain.slice(); + }; - rgb.gamma = rgbGamma; + scale.range = function(_) { + return arguments.length ? (range$$1 = slice$3.call(_), rescale()) : range$$1.slice(); + }; - return rgb; - })(1); + scale.rangeRound = function(_) { + return range$$1 = slice$3.call(_), interpolate$$1 = interpolateRound, rescale(); + }; - function rgbSpline(spline) { - return function(colors) { - var n = colors.length, - r = new Array(n), - g = new Array(n), - b = new Array(n), - i, color; - for (i = 0; i < n; ++i) { - color = colorRgb(colors[i]); - r[i] = color.r || 0; - g[i] = color.g || 0; - b[i] = color.b || 0; - } - r = spline(r); - g = spline(g); - b = spline(b); - color.opacity = 1; - return function(t) { - color.r = r(t); - color.g = g(t); - color.b = b(t); - return color + ""; - }; - }; - } + scale.clamp = function(_) { + return arguments.length ? (clamp = !!_, rescale()) : clamp; + }; - var rgbBasis = rgbSpline(basis$2); - var rgbBasisClosed = rgbSpline(basisClosed$1); + scale.interpolate = function(_) { + return arguments.length ? (interpolate$$1 = _, rescale()) : interpolate$$1; + }; - function array$1(a, b) { - var nb = b ? b.length : 0, - na = a ? Math.min(nb, a.length) : 0, - x = new Array(nb), - c = new Array(nb), - i; + return rescale(); +} + +var tickFormat = function(domain, count, specifier) { + var start = domain[0], + stop = domain[domain.length - 1], + step = tickStep(start, stop, count == null ? 10 : count), + precision; + specifier = formatSpecifier(specifier == null ? ",f" : specifier); + switch (specifier.type) { + case "s": { + var value = Math.max(Math.abs(start), Math.abs(stop)); + if (specifier.precision == null && !isNaN(precision = precisionPrefix(step, value))) specifier.precision = precision; + return exports.formatPrefix(specifier, value); + } + case "": + case "e": + case "g": + case "p": + case "r": { + if (specifier.precision == null && !isNaN(precision = precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === "e"); + break; + } + case "f": + case "%": { + if (specifier.precision == null && !isNaN(precision = precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2; + break; + } + } + return exports.format(specifier); +} + +function linearish(scale) { + var domain = scale.domain; + + scale.ticks = function(count) { + var d = domain(); + return ticks(d[0], d[d.length - 1], count == null ? 10 : count); + }; - for (i = 0; i < na; ++i) x[i] = interpolate(a[i], b[i]); - for (; i < nb; ++i) c[i] = b[i]; + scale.tickFormat = function(count, specifier) { + return tickFormat(domain(), count, specifier); + }; - return function(t) { - for (i = 0; i < na; ++i) c[i] = x[i](t); - return c; - }; - } + scale.nice = function(count) { + var d = domain(), + i = d.length - 1, + n = count == null ? 10 : count, + start = d[0], + stop = d[i], + step = tickStep(start, stop, n); - function date(a, b) { - var d = new Date; - return a = +a, b -= a, function(t) { - return d.setTime(a + b * t), d; - }; - } + if (step) { + step = tickStep(Math.floor(start / step) * step, Math.ceil(stop / step) * step, n); + d[0] = Math.floor(start / step) * step; + d[i] = Math.ceil(stop / step) * step; + domain(d); + } - function interpolateNumber(a, b) { - return a = +a, b -= a, function(t) { - return a + b * t; - }; - } + return scale; + }; - function object(a, b) { - var i = {}, - c = {}, - k; + return scale; +} - if (a === null || typeof a !== "object") a = {}; - if (b === null || typeof b !== "object") b = {}; +function linear$2() { + var scale = continuous(deinterpolateLinear, interpolateNumber); - for (k in b) { - if (k in a) { - i[k] = interpolate(a[k], b[k]); - } else { - c[k] = b[k]; - } - } + scale.copy = function() { + return copy(scale, linear$2()); + }; - return function(t) { - for (k in i) c[k] = i[k](t); - return c; - }; - } + return linearish(scale); +} - var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; - var reB = new RegExp(reA.source, "g"); - function zero(b) { - return function() { - return b; - }; +function identity$4() { + var domain = [0, 1]; + + function scale(x) { + return +x; } - function one(b) { - return function(t) { - return b(t) + ""; - }; + scale.invert = scale; + + scale.domain = scale.range = function(_) { + return arguments.length ? (domain = map$3.call(_, number$1), scale) : domain.slice(); + }; + + scale.copy = function() { + return identity$4().domain(domain); + }; + + return linearish(scale); +} + +var nice = function(domain, interval) { + domain = domain.slice(); + + var i0 = 0, + i1 = domain.length - 1, + x0 = domain[i0], + x1 = domain[i1], + t; + + if (x1 < x0) { + t = i0, i0 = i1, i1 = t; + t = x0, x0 = x1, x1 = t; + } + + domain[i0] = interval.floor(x0); + domain[i1] = interval.ceil(x1); + return domain; +} + +function deinterpolate(a, b) { + return (b = Math.log(b / a)) + ? function(x) { return Math.log(x / a) / b; } + : constant$4(b); +} + +function reinterpolate(a, b) { + return a < 0 + ? function(t) { return -Math.pow(-b, t) * Math.pow(-a, 1 - t); } + : function(t) { return Math.pow(b, t) * Math.pow(a, 1 - t); }; +} + +function pow10(x) { + return isFinite(x) ? +("1e" + x) : x < 0 ? 0 : x; +} + +function powp(base) { + return base === 10 ? pow10 + : base === Math.E ? Math.exp + : function(x) { return Math.pow(base, x); }; +} + +function logp(base) { + return base === Math.E ? Math.log + : base === 10 && Math.log10 + || base === 2 && Math.log2 + || (base = Math.log(base), function(x) { return Math.log(x) / base; }); +} + +function reflect(f) { + return function(x) { + return -f(-x); + }; +} + +function log() { + var scale = continuous(deinterpolate, reinterpolate).domain([1, 10]), + domain = scale.domain, + base = 10, + logs = logp(10), + pows = powp(10); + + function rescale() { + logs = logp(base), pows = powp(base); + if (domain()[0] < 0) logs = reflect(logs), pows = reflect(pows); + return scale; } - function interpolateString(a, b) { - var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b - am, // current match in a - bm, // current match in b - bs, // string preceding current number in b, if any - i = -1, // index in s - s = [], // string constants and placeholders - q = []; // number interpolators + scale.base = function(_) { + return arguments.length ? (base = +_, rescale()) : base; + }; - // Coerce inputs to strings. - a = a + "", b = b + ""; + scale.domain = function(_) { + return arguments.length ? (domain(_), rescale()) : domain(); + }; - // Interpolate pairs of numbers in a & b. - while ((am = reA.exec(a)) - && (bm = reB.exec(b))) { - if ((bs = bm.index) > bi) { // a string precedes the next number in b - bs = b.slice(bi, bs); - if (s[i]) s[i] += bs; // coalesce with previous string - else s[++i] = bs; - } - if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match - if (s[i]) s[i] += bm; // coalesce with previous string - else s[++i] = bm; - } else { // interpolate non-matching numbers - s[++i] = null; - q.push({i: i, x: interpolateNumber(am, bm)}); - } - bi = reB.lastIndex; - } + scale.ticks = function(count) { + var d = domain(), + u = d[0], + v = d[d.length - 1], + r; - // Add remains of b. - if (bi < b.length) { - bs = b.slice(bi); - if (s[i]) s[i] += bs; // coalesce with previous string - else s[++i] = bs; - } + if (r = v < u) i = u, u = v, v = i; - // Special optimization for only a single match. - // Otherwise, interpolate each of the numbers and rejoin the string. - return s.length < 2 ? (q[0] - ? one(q[0].x) - : zero(b)) - : (b = q.length, function(t) { - for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); - return s.join(""); - }); - } + var i = logs(u), + j = logs(v), + p, + k, + t, + n = count == null ? 10 : +count, + z = []; + + if (!(base % 1) && j - i < n) { + i = Math.round(i) - 1, j = Math.round(j) + 1; + if (u > 0) for (; i < j; ++i) { + for (k = 1, p = pows(i); k < base; ++k) { + t = p * k; + if (t < u) continue; + if (t > v) break; + z.push(t); + } + } else for (; i < j; ++i) { + for (k = base - 1, p = pows(i); k >= 1; --k) { + t = p * k; + if (t < u) continue; + if (t > v) break; + z.push(t); + } + } + } else { + z = ticks(i, j, Math.min(j - i, n)).map(pows); + } - function interpolate(a, b) { - var t = typeof b, c; - return b == null || t === "boolean" ? constant$2(b) - : (t === "number" ? interpolateNumber - : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) - : b instanceof color ? interpolateRgb - : b instanceof Date ? date - : Array.isArray(b) ? array$1 - : isNaN(b) ? object - : interpolateNumber)(a, b); - } + return r ? z.reverse() : z; + }; - function interpolateRound(a, b) { - return a = +a, b -= a, function(t) { - return Math.round(a + b * t); + scale.tickFormat = function(count, specifier) { + if (specifier == null) specifier = base === 10 ? ".0e" : ","; + if (typeof specifier !== "function") specifier = exports.format(specifier); + if (count === Infinity) return specifier; + if (count == null) count = 10; + var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate? + return function(d) { + var i = d / pows(Math.round(logs(d))); + if (i * base < base - 0.5) i *= base; + return i <= k ? specifier(d) : ""; }; - } + }; - var degrees = 180 / Math.PI; + scale.nice = function() { + return domain(nice(domain(), { + floor: function(x) { return pows(Math.floor(logs(x))); }, + ceil: function(x) { return pows(Math.ceil(logs(x))); } + })); + }; - var identity$2 = { - translateX: 0, - translateY: 0, - rotate: 0, - skewX: 0, - scaleX: 1, - scaleY: 1 + scale.copy = function() { + return copy(scale, log().base(base)); }; - function decompose(a, b, c, d, e, f) { - var scaleX, scaleY, skewX; - if (scaleX = Math.sqrt(a * a + b * b)) a /= scaleX, b /= scaleX; - if (skewX = a * c + b * d) c -= a * skewX, d -= b * skewX; - if (scaleY = Math.sqrt(c * c + d * d)) c /= scaleY, d /= scaleY, skewX /= scaleY; - if (a * d < b * c) a = -a, b = -b, skewX = -skewX, scaleX = -scaleX; - return { - translateX: e, - translateY: f, - rotate: Math.atan2(b, a) * degrees, - skewX: Math.atan(skewX) * degrees, - scaleX: scaleX, - scaleY: scaleY - }; - } + return scale; +} + +function raise(x, exponent) { + return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); +} - var cssNode; - var cssRoot; - var cssView; - var svgNode; - function parseCss(value) { - if (value === "none") return identity$2; - if (!cssNode) cssNode = document.createElement("DIV"), cssRoot = document.documentElement, cssView = document.defaultView; - cssNode.style.transform = value; - value = cssView.getComputedStyle(cssRoot.appendChild(cssNode), null).getPropertyValue("transform"); - cssRoot.removeChild(cssNode); - value = value.slice(7, -1).split(","); - return decompose(+value[0], +value[1], +value[2], +value[3], +value[4], +value[5]); +function pow() { + var exponent = 1, + scale = continuous(deinterpolate, reinterpolate), + domain = scale.domain; + + function deinterpolate(a, b) { + return (b = raise(b, exponent) - (a = raise(a, exponent))) + ? function(x) { return (raise(x, exponent) - a) / b; } + : constant$4(b); } - function parseSvg(value) { - if (value == null) return identity$2; - if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g"); - svgNode.setAttribute("transform", value); - if (!(value = svgNode.transform.baseVal.consolidate())) return identity$2; - value = value.matrix; - return decompose(value.a, value.b, value.c, value.d, value.e, value.f); + function reinterpolate(a, b) { + b = raise(b, exponent) - (a = raise(a, exponent)); + return function(t) { return raise(a + b * t, 1 / exponent); }; } - function interpolateTransform(parse, pxComma, pxParen, degParen) { + scale.exponent = function(_) { + return arguments.length ? (exponent = +_, domain(domain())) : exponent; + }; - function pop(s) { - return s.length ? s.pop() + " " : ""; - } + scale.copy = function() { + return copy(scale, pow().exponent(exponent)); + }; - function translate(xa, ya, xb, yb, s, q) { - if (xa !== xb || ya !== yb) { - var i = s.push("translate(", null, pxComma, null, pxParen); - q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); - } else if (xb || yb) { - s.push("translate(" + xb + pxComma + yb + pxParen); - } - } + return linearish(scale); +} - function rotate(a, b, s, q) { - if (a !== b) { - if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path - q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: interpolateNumber(a, b)}); - } else if (b) { - s.push(pop(s) + "rotate(" + b + degParen); - } - } +function sqrt() { + return pow().exponent(0.5); +} - function skewX(a, b, s, q) { - if (a !== b) { - q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: interpolateNumber(a, b)}); - } else if (b) { - s.push(pop(s) + "skewX(" + b + degParen); - } - } +function quantile$$1() { + var domain = [], + range$$1 = [], + thresholds = []; - function scale(xa, ya, xb, yb, s, q) { - if (xa !== xb || ya !== yb) { - var i = s.push(pop(s) + "scale(", null, ",", null, ")"); - q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); - } else if (xb !== 1 || yb !== 1) { - s.push(pop(s) + "scale(" + xb + "," + yb + ")"); - } - } + function rescale() { + var i = 0, n = Math.max(1, range$$1.length); + thresholds = new Array(n - 1); + while (++i < n) thresholds[i - 1] = threshold(domain, i / n); + return scale; + } - return function(a, b) { - var s = [], // string constants and placeholders - q = []; // number interpolators - a = parse(a), b = parse(b); - translate(a.translateX, a.translateY, b.translateX, b.translateY, s, q); - rotate(a.rotate, b.rotate, s, q); - skewX(a.skewX, b.skewX, s, q); - scale(a.scaleX, a.scaleY, b.scaleX, b.scaleY, s, q); - a = b = null; // gc - return function(t) { - var i = -1, n = q.length, o; - while (++i < n) s[(o = q[i]).i] = o.x(t); - return s.join(""); - }; - }; + function scale(x) { + if (!isNaN(x = +x)) return range$$1[bisectRight(thresholds, x)]; } - var interpolateTransform$1 = interpolateTransform(parseCss, "px, ", "px)", "deg)"); - var interpolateTransform$2 = interpolateTransform(parseSvg, ", ", ")", ")"); + scale.invertExtent = function(y) { + var i = range$$1.indexOf(y); + return i < 0 ? [NaN, NaN] : [ + i > 0 ? thresholds[i - 1] : domain[0], + i < thresholds.length ? thresholds[i] : domain[domain.length - 1] + ]; + }; - var rho = Math.SQRT2; - var rho2 = 2; - var rho4 = 4; - var epsilon2 = 1e-12; - function cosh(x) { - return ((x = Math.exp(x)) + 1 / x) / 2; - } + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = []; + for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); + domain.sort(ascending); + return rescale(); + }; - function sinh(x) { - return ((x = Math.exp(x)) - 1 / x) / 2; - } + scale.range = function(_) { + return arguments.length ? (range$$1 = slice$3.call(_), rescale()) : range$$1.slice(); + }; - function tanh(x) { - return ((x = Math.exp(2 * x)) - 1) / (x + 1); - } + scale.quantiles = function() { + return thresholds.slice(); + }; - // p0 = [ux0, uy0, w0] - // p1 = [ux1, uy1, w1] - function interpolateZoom(p0, p1) { - var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], - ux1 = p1[0], uy1 = p1[1], w1 = p1[2], - dx = ux1 - ux0, - dy = uy1 - uy0, - d2 = dx * dx + dy * dy, - i, - S; + scale.copy = function() { + return quantile$$1() + .domain(domain) + .range(range$$1); + }; - // Special case for u0 ≅ u1. - if (d2 < epsilon2) { - S = Math.log(w1 / w0) / rho; - i = function(t) { - return [ - ux0 + t * dx, - uy0 + t * dy, - w0 * Math.exp(rho * t * S) - ]; - } - } + return scale; +} - // General case. - else { - var d1 = Math.sqrt(d2), - b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), - b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), - r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), - r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); - S = (r1 - r0) / rho; - i = function(t) { - var s = t * S, - coshr0 = cosh(r0), - u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0)); - return [ - ux0 + u * dx, - uy0 + u * dy, - w0 * coshr0 / cosh(rho * s + r0) - ]; - } - } +function quantize$1() { + var x0 = 0, + x1 = 1, + n = 1, + domain = [0.5], + range$$1 = [0, 1]; - i.duration = S * 1000; + function scale(x) { + if (x <= x) return range$$1[bisectRight(domain, x, 0, n)]; + } - return i; + function rescale() { + var i = -1; + domain = new Array(n); + while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1); + return scale; } - function hsl(hue) { - return function(start, end) { - var h = hue((start = colorHsl(start)).h, (end = colorHsl(end)).h), - s = nogamma(start.s, end.s), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.s = s(t); - start.l = l(t); - start.opacity = opacity(t); - return start + ""; - }; - } - } + scale.domain = function(_) { + return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1]; + }; - var hsl$1 = hsl(hue); - var hslLong = hsl(nogamma); + scale.range = function(_) { + return arguments.length ? (n = (range$$1 = slice$3.call(_)).length - 1, rescale()) : range$$1.slice(); + }; - function lab$1(start, end) { - var l = nogamma((start = lab(start)).l, (end = lab(end)).l), - a = nogamma(start.a, end.a), - b = nogamma(start.b, end.b), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.l = l(t); - start.a = a(t); - start.b = b(t); - start.opacity = opacity(t); - return start + ""; - }; - } + scale.invertExtent = function(y) { + var i = range$$1.indexOf(y); + return i < 0 ? [NaN, NaN] + : i < 1 ? [x0, domain[0]] + : i >= n ? [domain[n - 1], x1] + : [domain[i - 1], domain[i]]; + }; - function hcl(hue) { - return function(start, end) { - var h = hue((start = colorHcl(start)).h, (end = colorHcl(end)).h), - c = nogamma(start.c, end.c), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.c = c(t); - start.l = l(t); - start.opacity = opacity(t); - return start + ""; - }; - } - } + scale.copy = function() { + return quantize$1() + .domain([x0, x1]) + .range(range$$1); + }; - var hcl$1 = hcl(hue); - var hclLong = hcl(nogamma); + return linearish(scale); +} - function cubehelix$1(hue) { - return (function cubehelixGamma(y) { - y = +y; +function threshold$1() { + var domain = [0.5], + range$$1 = [0, 1], + n = 1; - function cubehelix$$(start, end) { - var h = hue((start = cubehelix(start)).h, (end = cubehelix(end)).h), - s = nogamma(start.s, end.s), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.s = s(t); - start.l = l(Math.pow(t, y)); - start.opacity = opacity(t); - return start + ""; - }; - } + function scale(x) { + if (x <= x) return range$$1[bisectRight(domain, x, 0, n)]; + } - cubehelix$$.gamma = cubehelixGamma; + scale.domain = function(_) { + return arguments.length ? (domain = slice$3.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : domain.slice(); + }; - return cubehelix$$; - })(1); - } + scale.range = function(_) { + return arguments.length ? (range$$1 = slice$3.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : range$$1.slice(); + }; - var cubehelix$2 = cubehelix$1(hue); - var interpolateCubehelixLong = cubehelix$1(nogamma); + scale.invertExtent = function(y) { + var i = range$$1.indexOf(y); + return [domain[i - 1], domain[i]]; + }; - function quantize(interpolator, n) { - var samples = new Array(n); - for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); - return samples; - } + scale.copy = function() { + return threshold$1() + .domain(domain) + .range(range$$1); + }; - var noop$1 = {value: function() {}}; + return scale; +} + +var durationSecond$1 = 1000; +var durationMinute$1 = durationSecond$1 * 60; +var durationHour$1 = durationMinute$1 * 60; +var durationDay$1 = durationHour$1 * 24; +var durationWeek$1 = durationDay$1 * 7; +var durationMonth = durationDay$1 * 30; +var durationYear = durationDay$1 * 365; + +function date$1(t) { + return new Date(t); +} + +function number$2(t) { + return t instanceof Date ? +t : +new Date(+t); +} + +function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format) { + var scale = continuous(deinterpolateLinear, interpolateNumber), + invert = scale.invert, + domain = scale.domain; + + var formatMillisecond = format(".%L"), + formatSecond = format(":%S"), + formatMinute = format("%I:%M"), + formatHour = format("%I %p"), + formatDay = format("%a %d"), + formatWeek = format("%b %d"), + formatMonth = format("%B"), + formatYear = format("%Y"); + + var tickIntervals = [ + [second$$1, 1, durationSecond$1], + [second$$1, 5, 5 * durationSecond$1], + [second$$1, 15, 15 * durationSecond$1], + [second$$1, 30, 30 * durationSecond$1], + [minute$$1, 1, durationMinute$1], + [minute$$1, 5, 5 * durationMinute$1], + [minute$$1, 15, 15 * durationMinute$1], + [minute$$1, 30, 30 * durationMinute$1], + [ hour$$1, 1, durationHour$1 ], + [ hour$$1, 3, 3 * durationHour$1 ], + [ hour$$1, 6, 6 * durationHour$1 ], + [ hour$$1, 12, 12 * durationHour$1 ], + [ day$$1, 1, durationDay$1 ], + [ day$$1, 2, 2 * durationDay$1 ], + [ week, 1, durationWeek$1 ], + [ month$$1, 1, durationMonth ], + [ month$$1, 3, 3 * durationMonth ], + [ year$$1, 1, durationYear ] + ]; - function dispatch() { - for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { - if (!(t = arguments[i] + "") || (t in _)) throw new Error("illegal type: " + t); - _[t] = []; + function tickFormat(date) { + return (second$$1(date) < date ? formatMillisecond + : minute$$1(date) < date ? formatSecond + : hour$$1(date) < date ? formatMinute + : day$$1(date) < date ? formatHour + : month$$1(date) < date ? (week(date) < date ? formatDay : formatWeek) + : year$$1(date) < date ? formatMonth + : formatYear)(date); + } + + function tickInterval(interval, start, stop, step) { + if (interval == null) interval = 10; + + // If a desired tick count is specified, pick a reasonable tick interval + // based on the extent of the domain and a rough estimate of tick size. + // Otherwise, assume interval is already a time interval and use it. + if (typeof interval === "number") { + var target = Math.abs(stop - start) / interval, + i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); + if (i === tickIntervals.length) { + step = tickStep(start / durationYear, stop / durationYear, interval); + interval = year$$1; + } else if (i) { + i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; + step = i[1]; + interval = i[0]; + } else { + step = tickStep(start, stop, interval); + interval = millisecond$$1; + } } - return new Dispatch(_); - } - function Dispatch(_) { - this._ = _; + return step == null ? interval : interval.every(step); } - function parseTypenames(typenames, types) { - return typenames.trim().split(/^|\s+/).map(function(t) { - var name = "", i = t.indexOf("."); - if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); - if (t && !types.hasOwnProperty(t)) throw new Error("unknown type: " + t); - return {type: t, name: name}; - }); - } + scale.invert = function(y) { + return new Date(invert(y)); + }; - Dispatch.prototype = dispatch.prototype = { - constructor: Dispatch, - on: function(typename, callback) { - var _ = this._, - T = parseTypenames(typename + "", _), - t, - i = -1, - n = T.length; + scale.domain = function(_) { + return arguments.length ? domain(map$3.call(_, number$2)) : domain().map(date$1); + }; - // If no callback was specified, return the callback of the given type and name. - if (arguments.length < 2) { - while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t; - return; - } + scale.ticks = function(interval, step) { + var d = domain(), + t0 = d[0], + t1 = d[d.length - 1], + r = t1 < t0, + t; + if (r) t = t0, t0 = t1, t1 = t; + t = tickInterval(interval, t0, t1, step); + t = t ? t.range(t0, t1 + 1) : []; // inclusive stop + return r ? t.reverse() : t; + }; - // If a type was specified, set the callback for the given type and name. - // Otherwise, if a null callback was specified, remove callbacks of the given name. - if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback); - while (++i < n) { - if (t = (typename = T[i]).type) _[t] = set$1(_[t], typename.name, callback); - else if (callback == null) for (t in _) _[t] = set$1(_[t], typename.name, null); - } + scale.tickFormat = function(count, specifier) { + return specifier == null ? tickFormat : format(specifier); + }; - return this; - }, - copy: function() { - var copy = {}, _ = this._; - for (var t in _) copy[t] = _[t].slice(); - return new Dispatch(copy); - }, - call: function(type, that) { - if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) args[i] = arguments[i + 2]; - if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); - for (t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); - }, - apply: function(type, that, args) { - if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); - for (var t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); - } + scale.nice = function(interval, step) { + var d = domain(); + return (interval = tickInterval(interval, d[0], d[d.length - 1], step)) + ? domain(nice(d, interval)) + : scale; }; - function get(type, name) { - for (var i = 0, n = type.length, c; i < n; ++i) { - if ((c = type[i]).name === name) { - return c.value; - } - } - } + scale.copy = function() { + return copy(scale, calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format)); + }; - function set$1(type, name, callback) { - for (var i = 0, n = type.length; i < n; ++i) { - if (type[i].name === name) { - type[i] = noop$1, type = type.slice(0, i).concat(type.slice(i + 1)); - break; - } - } - if (callback != null) type.push({name: name, value: callback}); - return type; - } + return scale; +} - function objectConverter(columns) { - return new Function("d", "return {" + columns.map(function(name, i) { - return JSON.stringify(name) + ": d[" + i + "]"; - }).join(",") + "}"); - } +var time = function() { + return calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]); +} - function customConverter(columns, f) { - var object = objectConverter(columns); - return function(row, i) { - return f(object(row), i, columns); - }; - } +var utcTime = function() { + return calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); +} - // Compute unique columns in order of discovery. - function inferColumns(rows) { - var columnSet = Object.create(null), - columns = []; +var colors = function(s) { + return s.match(/.{6}/g).map(function(x) { + return "#" + x; + }); +} - rows.forEach(function(row) { - for (var column in row) { - if (!(column in columnSet)) { - columns.push(columnSet[column] = column); - } - } - }); +var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); - return columns; - } +var category20b = colors("393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6"); - function dsv(delimiter) { - var reFormat = new RegExp("[\"" + delimiter + "\n]"), - delimiterCode = delimiter.charCodeAt(0); +var category20c = colors("3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9"); - function parse(text, f) { - var convert, columns, rows = parseRows(text, function(row, i) { - if (convert) return convert(row, i - 1); - columns = row, convert = f ? customConverter(row, f) : objectConverter(row); - }); - rows.columns = columns; - return rows; - } - - function parseRows(text, f) { - var EOL = {}, // sentinel value for end-of-line - EOF = {}, // sentinel value for end-of-file - rows = [], // output rows - N = text.length, - I = 0, // current character index - n = 0, // the current line number - t, // the current token - eol; // is the current token followed by EOL? - - function token() { - if (I >= N) return EOF; // special case: end of file - if (eol) return eol = false, EOL; // special case: end of line - - // special case: quotes - var j = I, c; - if (text.charCodeAt(j) === 34) { - var i = j; - while (i++ < N) { - if (text.charCodeAt(i) === 34) { - if (text.charCodeAt(i + 1) !== 34) break; - ++i; - } - } - I = i + 2; - c = text.charCodeAt(i + 1); - if (c === 13) { - eol = true; - if (text.charCodeAt(i + 2) === 10) ++I; - } else if (c === 10) { - eol = true; - } - return text.slice(j + 1, i).replace(/""/g, "\""); - } +var category20 = colors("1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5"); - // common case: find next delimiter or newline - while (I < N) { - var k = 1; - c = text.charCodeAt(I++); - if (c === 10) eol = true; // \n - else if (c === 13) { eol = true; if (text.charCodeAt(I) === 10) ++I, ++k; } // \r|\r\n - else if (c !== delimiterCode) continue; - return text.slice(j, I - k); - } +var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); - // special case: last token before EOF - return text.slice(j); - } +var warm = cubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); - while ((t = token()) !== EOF) { - var a = []; - while (t !== EOL && t !== EOF) { - a.push(t); - t = token(); - } - if (f && (a = f(a, n++)) == null) continue; - rows.push(a); - } +var cool = cubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); - return rows; - } +var rainbow = cubehelix(); - function format(rows, columns) { - if (columns == null) columns = inferColumns(rows); - return [columns.map(formatValue).join(delimiter)].concat(rows.map(function(row) { - return columns.map(function(column) { - return formatValue(row[column]); - }).join(delimiter); - })).join("\n"); - } +var rainbow$1 = function(t) { + if (t < 0 || t > 1) t -= Math.floor(t); + var ts = Math.abs(t - 0.5); + rainbow.h = 360 * t - 100; + rainbow.s = 1.5 - 1.5 * ts; + rainbow.l = 0.8 - 0.9 * ts; + return rainbow + ""; +} - function formatRows(rows) { - return rows.map(formatRow).join("\n"); - } +function ramp(range) { + var n = range.length; + return function(t) { + return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; + }; +} - function formatRow(row) { - return row.map(formatValue).join(delimiter); - } +var viridis = ramp(colors("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")); - function formatValue(text) { - return text == null ? "" - : reFormat.test(text += "") ? "\"" + text.replace(/\"/g, "\"\"") + "\"" - : text; - } +var magma = ramp(colors("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")); - return { - parse: parse, - parseRows: parseRows, - format: format, - formatRows: formatRows - }; - } +var inferno = ramp(colors("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")); - var csv = dsv(","); - - var csvParse = csv.parse; - var csvParseRows = csv.parseRows; - var csvFormat = csv.format; - var csvFormatRows = csv.formatRows; - - var tsv = dsv("\t"); - - var tsvParse = tsv.parse; - var tsvParseRows = tsv.parseRows; - var tsvFormat = tsv.format; - var tsvFormatRows = tsv.formatRows; - - function request(url, callback) { - var request, - event = dispatch("beforesend", "progress", "load", "error"), - mimeType, - headers = map$1(), - xhr = new XMLHttpRequest, - user = null, - password = null, - response, - responseType, - timeout = 0; - - // If IE does not support CORS, use XDomainRequest. - if (typeof XDomainRequest !== "undefined" - && !("withCredentials" in xhr) - && /^(http(s)?:)?\/\//.test(url)) xhr = new XDomainRequest; - - "onload" in xhr - ? xhr.onload = xhr.onerror = xhr.ontimeout = respond - : xhr.onreadystatechange = function(o) { xhr.readyState > 3 && respond(o); }; - - function respond(o) { - var status = xhr.status, result; - if (!status && hasResponse(xhr) - || status >= 200 && status < 300 - || status === 304) { - if (response) { - try { - result = response.call(request, xhr); - } catch (e) { - event.call("error", request, e); - return; - } - } else { - result = xhr; - } - event.call("load", request, result); - } else { - event.call("error", request, o); - } - } +var plasma = ramp(colors("0d088710078813078916078a19068c1b068d1d068e20068f2206902406912605912805922a05932c05942e05952f059631059733059735049837049938049a3a049a3c049b3e049c3f049c41049d43039e44039e46039f48039f4903a04b03a14c02a14e02a25002a25102a35302a35502a45601a45801a45901a55b01a55c01a65e01a66001a66100a76300a76400a76600a76700a86900a86a00a86c00a86e00a86f00a87100a87201a87401a87501a87701a87801a87a02a87b02a87d03a87e03a88004a88104a78305a78405a78606a68707a68808a68a09a58b0aa58d0ba58e0ca48f0da4910ea3920fa39410a29511a19613a19814a099159f9a169f9c179e9d189d9e199da01a9ca11b9ba21d9aa31e9aa51f99a62098a72197a82296aa2395ab2494ac2694ad2793ae2892b02991b12a90b22b8fb32c8eb42e8db52f8cb6308bb7318ab83289ba3388bb3488bc3587bd3786be3885bf3984c03a83c13b82c23c81c33d80c43e7fc5407ec6417dc7427cc8437bc9447aca457acb4679cc4778cc4977cd4a76ce4b75cf4c74d04d73d14e72d24f71d35171d45270d5536fd5546ed6556dd7566cd8576bd9586ada5a6ada5b69db5c68dc5d67dd5e66de5f65de6164df6263e06363e16462e26561e26660e3685fe4695ee56a5de56b5de66c5ce76e5be76f5ae87059e97158e97257ea7457eb7556eb7655ec7754ed7953ed7a52ee7b51ef7c51ef7e50f07f4ff0804ef1814df1834cf2844bf3854bf3874af48849f48948f58b47f58c46f68d45f68f44f79044f79143f79342f89441f89540f9973ff9983ef99a3efa9b3dfa9c3cfa9e3bfb9f3afba139fba238fca338fca537fca636fca835fca934fdab33fdac33fdae32fdaf31fdb130fdb22ffdb42ffdb52efeb72dfeb82cfeba2cfebb2bfebd2afebe2afec029fdc229fdc328fdc527fdc627fdc827fdca26fdcb26fccd25fcce25fcd025fcd225fbd324fbd524fbd724fad824fada24f9dc24f9dd25f8df25f8e125f7e225f7e425f6e626f6e826f5e926f5eb27f4ed27f3ee27f3f027f2f227f1f426f1f525f0f724f0f921")); - xhr.onprogress = function(e) { - event.call("progress", request, e); - }; +function sequential(interpolator) { + var x0 = 0, + x1 = 1, + clamp = false; - request = { - header: function(name, value) { - name = (name + "").toLowerCase(); - if (arguments.length < 2) return headers.get(name); - if (value == null) headers.remove(name); - else headers.set(name, value + ""); - return request; - }, + function scale(x) { + var t = (x - x0) / (x1 - x0); + return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t); + } - // If mimeType is non-null and no Accept header is set, a default is used. - mimeType: function(value) { - if (!arguments.length) return mimeType; - mimeType = value == null ? null : value + ""; - return request; - }, + scale.domain = function(_) { + return arguments.length ? (x0 = +_[0], x1 = +_[1], scale) : [x0, x1]; + }; - // Specifies what type the response value should take; - // for instance, arraybuffer, blob, document, or text. - responseType: function(value) { - if (!arguments.length) return responseType; - responseType = value; - return request; - }, + scale.clamp = function(_) { + return arguments.length ? (clamp = !!_, scale) : clamp; + }; - timeout: function(value) { - if (!arguments.length) return timeout; - timeout = +value; - return request; - }, + scale.interpolator = function(_) { + return arguments.length ? (interpolator = _, scale) : interpolator; + }; - user: function(value) { - return arguments.length < 1 ? user : (user = value == null ? null : value + "", request); - }, + scale.copy = function() { + return sequential(interpolator).domain([x0, x1]).clamp(clamp); + }; - password: function(value) { - return arguments.length < 1 ? password : (password = value == null ? null : value + "", request); - }, + return linearish(scale); +} + +var xhtml = "http://www.w3.org/1999/xhtml"; + +var namespaces = { + svg: "http://www.w3.org/2000/svg", + xhtml: xhtml, + xlink: "http://www.w3.org/1999/xlink", + xml: "http://www.w3.org/XML/1998/namespace", + xmlns: "http://www.w3.org/2000/xmlns/" +}; + +var namespace = function(name) { + var prefix = name += "", i = prefix.indexOf(":"); + if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); + return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; +} + +function creatorInherit(name) { + return function() { + var document = this.ownerDocument, + uri = this.namespaceURI; + return uri === xhtml && document.documentElement.namespaceURI === xhtml + ? document.createElement(name) + : document.createElementNS(uri, name); + }; +} - // Specify how to convert the response content to a specific type; - // changes the callback value on "load" events. - response: function(value) { - response = value; - return request; - }, +function creatorFixed(fullname) { + return function() { + return this.ownerDocument.createElementNS(fullname.space, fullname.local); + }; +} + +var creator = function(name) { + var fullname = namespace(name); + return (fullname.local + ? creatorFixed + : creatorInherit)(fullname); +} + +var nextId = 0; + +function local() { + return new Local; +} + +function Local() { + this._ = "@" + (++nextId).toString(36); +} + +Local.prototype = local.prototype = { + constructor: Local, + get: function(node) { + var id = this._; + while (!(id in node)) if (!(node = node.parentNode)) return; + return node[id]; + }, + set: function(node, value) { + return node[this._] = value; + }, + remove: function(node) { + return this._ in node && delete node[this._]; + }, + toString: function() { + return this._; + } +}; + +var matcher = function(selector) { + return function() { + return this.matches(selector); + }; +}; + +if (typeof document !== "undefined") { + var element = document.documentElement; + if (!element.matches) { + var vendorMatches = element.webkitMatchesSelector + || element.msMatchesSelector + || element.mozMatchesSelector + || element.oMatchesSelector; + matcher = function(selector) { + return function() { + return vendorMatches.call(this, selector); + }; + }; + } +} - // Alias for send("GET", …). - get: function(data, callback) { - return request.send("GET", data, callback); - }, +var matcher$1 = matcher; - // Alias for send("POST", …). - post: function(data, callback) { - return request.send("POST", data, callback); - }, +var filterEvents = {}; - // If callback is non-null, it will be used for error and load events. - send: function(method, data, callback) { - xhr.open(method, url, true, user, password); - if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*"); - if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); }); - if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType); - if (responseType != null) xhr.responseType = responseType; - if (timeout > 0) xhr.timeout = timeout; - if (callback == null && typeof data === "function") callback = data, data = null; - if (callback != null && callback.length === 1) callback = fixCallback(callback); - if (callback != null) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); }); - event.call("beforesend", request, xhr); - xhr.send(data == null ? null : data); - return request; - }, +exports.event = null; - abort: function() { - xhr.abort(); - return request; - }, +if (typeof document !== "undefined") { + var element$1 = document.documentElement; + if (!("onmouseenter" in element$1)) { + filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; + } +} - on: function() { - var value = event.on.apply(event, arguments); - return value === event ? request : value; - } - }; +function filterContextListener(listener, index, group) { + listener = contextListener(listener, index, group); + return function(event) { + var related = event.relatedTarget; + if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { + listener.call(this, event); + } + }; +} - if (callback != null) { - if (typeof callback !== "function") throw new Error("invalid callback: " + callback); - return request.get(callback); +function contextListener(listener, index, group) { + return function(event1) { + var event0 = exports.event; // Events can be reentrant (e.g., focus). + exports.event = event1; + try { + listener.call(this, this.__data__, index, group); + } finally { + exports.event = event0; } + }; +} - return request; - } +function parseTypenames$1(typenames) { + return typenames.trim().split(/^|\s+/).map(function(t) { + var name = "", i = t.indexOf("."); + if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); + return {type: t, name: name}; + }); +} + +function onRemove(typename) { + return function() { + var on = this.__on; + if (!on) return; + for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { + if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { + this.removeEventListener(o.type, o.listener, o.capture); + } else { + on[++i] = o; + } + } + if (++i) on.length = i; + else delete this.__on; + }; +} + +function onAdd(typename, value, capture) { + var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; + return function(d, i, group) { + var on = this.__on, o, listener = wrap(value, i, group); + if (on) for (var j = 0, m = on.length; j < m; ++j) { + if ((o = on[j]).type === typename.type && o.name === typename.name) { + this.removeEventListener(o.type, o.listener, o.capture); + this.addEventListener(o.type, o.listener = listener, o.capture = capture); + o.value = value; + return; + } + } + this.addEventListener(typename.type, listener, capture); + o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; + if (!on) this.__on = [o]; + else on.push(o); + }; +} - function fixCallback(callback) { - return function(error, xhr) { - callback(error == null ? xhr : null); - }; +var selection_on = function(typename, value, capture) { + var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t; + + if (arguments.length < 2) { + var on = this.node().__on; + if (on) for (var j = 0, m = on.length, o; j < m; ++j) { + for (i = 0, o = on[j]; i < n; ++i) { + if ((t = typenames[i]).type === o.type && t.name === o.name) { + return o.value; + } + } + } + return; } - function hasResponse(xhr) { - var type = xhr.responseType; - return type && type !== "text" - ? xhr.response // null on error - : xhr.responseText; // "" on error + on = value ? onAdd : onRemove; + if (capture == null) capture = false; + for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); + return this; +} + +function customEvent(event1, listener, that, args) { + var event0 = exports.event; + event1.sourceEvent = exports.event; + exports.event = event1; + try { + return listener.apply(that, args); + } finally { + exports.event = event0; } +} - function type(defaultMimeType, response) { - return function(url, callback) { - var r = request(url).mimeType(defaultMimeType).response(response); - if (callback != null) { - if (typeof callback !== "function") throw new Error("invalid callback: " + callback); - return r.get(callback); - } - return r; - }; +var sourceEvent = function() { + var current = exports.event, source; + while (source = current.sourceEvent) current = source; + return current; +} + +var point$5 = function(node, event) { + var svg = node.ownerSVGElement || node; + + if (svg.createSVGPoint) { + var point = svg.createSVGPoint(); + point.x = event.clientX, point.y = event.clientY; + point = point.matrixTransform(node.getScreenCTM().inverse()); + return [point.x, point.y]; } - var html = type("text/html", function(xhr) { - return document.createRange().createContextualFragment(xhr.responseText); - }); + var rect = node.getBoundingClientRect(); + return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; +} - var json = type("application/json", function(xhr) { - return JSON.parse(xhr.responseText); - }); +var mouse = function(node) { + var event = sourceEvent(); + if (event.changedTouches) event = event.changedTouches[0]; + return point$5(node, event); +} - var text = type("text/plain", function(xhr) { - return xhr.responseText; - }); +function none$2() {} - var xml = type("application/xml", function(xhr) { - var xml = xhr.responseXML; - if (!xml) throw new Error("parse error"); - return xml; - }); +var selector = function(selector) { + return selector == null ? none$2 : function() { + return this.querySelector(selector); + }; +} - function dsv$1(defaultMimeType, parse) { - return function(url, row, callback) { - if (arguments.length < 3) callback = row, row = null; - var r = request(url).mimeType(defaultMimeType); - r.row = function(_) { return arguments.length ? r.response(responseOf(parse, row = _)) : row; }; - r.row(row); - return callback ? r.get(callback) : r; - }; - } +var selection_select = function(select) { + if (typeof select !== "function") select = selector(select); - function responseOf(parse, row) { - return function(request) { - return parse(request.responseText, row); - }; + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { + if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { + if ("__data__" in node) subnode.__data__ = node.__data__; + subgroup[i] = subnode; + } + } } - var csv$1 = dsv$1("text/csv", csvParse); + return new Selection(subgroups, this._parents); +} - var tsv$1 = dsv$1("text/tab-separated-values", tsvParse); +function empty() { + return []; +} - var frame = 0; - var timeout = 0; - var interval = 0; - var pokeDelay = 1000; - var taskHead; - var taskTail; - var clockLast = 0; - var clockNow = 0; - var clockSkew = 0; - var clock = typeof performance === "object" && performance.now ? performance : Date; - var setFrame = typeof requestAnimationFrame === "function" - ? (clock === Date ? function(f) { requestAnimationFrame(function() { f(clock.now()); }); } : requestAnimationFrame) - : function(f) { setTimeout(f, 17); }; - function now() { - return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew); - } +var selectorAll = function(selector) { + return selector == null ? empty : function() { + return this.querySelectorAll(selector); + }; +} - function clearNow() { - clockNow = 0; - } +var selection_selectAll = function(select) { + if (typeof select !== "function") select = selectorAll(select); - function Timer() { - this._call = - this._time = - this._next = null; + for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + subgroups.push(select.call(node, node.__data__, i, group)); + parents.push(node); + } + } } - Timer.prototype = timer.prototype = { - constructor: Timer, - restart: function(callback, delay, time) { - if (typeof callback !== "function") throw new TypeError("callback is not a function"); - time = (time == null ? now() : +time) + (delay == null ? 0 : +delay); - if (!this._next && taskTail !== this) { - if (taskTail) taskTail._next = this; - else taskHead = this; - taskTail = this; - } - this._call = callback; - this._time = time; - sleep(); - }, - stop: function() { - if (this._call) { - this._call = null; - this._time = Infinity; - sleep(); + return new Selection(subgroups, parents); +} + +var selection_filter = function(match) { + if (typeof match !== "function") match = matcher$1(match); + + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { + if ((node = group[i]) && match.call(node, node.__data__, i, group)) { + subgroup.push(node); } } - }; - - function timer(callback, delay, time) { - var t = new Timer; - t.restart(callback, delay, time); - return t; } - function timerFlush() { - now(); // Get the current time, if not already set. - ++frame; // Pretend we’ve set an alarm, if we haven’t already. - var t = taskHead, e; - while (t) { - if ((e = clockNow - t._time) >= 0) t._call.call(null, e); - t = t._next; + return new Selection(subgroups, this._parents); +} + +var sparse = function(update) { + return new Array(update.length); +} + +var selection_enter = function() { + return new Selection(this._enter || this._groups.map(sparse), this._parents); +} + +function EnterNode(parent, datum) { + this.ownerDocument = parent.ownerDocument; + this.namespaceURI = parent.namespaceURI; + this._next = null; + this._parent = parent; + this.__data__ = datum; +} + +EnterNode.prototype = { + constructor: EnterNode, + appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, + insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, + querySelector: function(selector) { return this._parent.querySelector(selector); }, + querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } +}; + +var constant$5 = function(x) { + return function() { + return x; + }; +} + +var keyPrefix = "$"; // Protect against keys like “__proto__”. + +function bindIndex(parent, group, enter, update, exit, data) { + var i = 0, + node, + groupLength = group.length, + dataLength = data.length; + + // Put any non-null nodes that fit into update. + // Put any null nodes into enter. + // Put any remaining data into enter. + for (; i < dataLength; ++i) { + if (node = group[i]) { + node.__data__ = data[i]; + update[i] = node; + } else { + enter[i] = new EnterNode(parent, data[i]); } - --frame; } - function wake(time) { - clockNow = (clockLast = time || clock.now()) + clockSkew; - frame = timeout = 0; - try { - timerFlush(); - } finally { - frame = 0; - nap(); - clockNow = 0; + // Put any non-null nodes that don’t fit into exit. + for (; i < groupLength; ++i) { + if (node = group[i]) { + exit[i] = node; } } +} - function poke$1() { - var now = clock.now(), delay = now - clockLast; - if (delay > pokeDelay) clockSkew -= delay, clockLast = now; - } +function bindKey(parent, group, enter, update, exit, data, key) { + var i, + node, + nodeByKeyValue = {}, + groupLength = group.length, + dataLength = data.length, + keyValues = new Array(groupLength), + keyValue; - function nap() { - var t0, t1 = taskHead, t2, time = Infinity; - while (t1) { - if (t1._call) { - if (time > t1._time) time = t1._time; - t0 = t1, t1 = t1._next; + // Compute the key for each node. + // If multiple nodes have the same key, the duplicates are added to exit. + for (i = 0; i < groupLength; ++i) { + if (node = group[i]) { + keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group); + if (keyValue in nodeByKeyValue) { + exit[i] = node; } else { - t2 = t1._next, t1._next = null; - t1 = t0 ? t0._next = t2 : taskHead = t2; + nodeByKeyValue[keyValue] = node; } } - taskTail = t0; - sleep(time); } - function sleep(time) { - if (frame) return; // Soonest alarm already set, or will be. - if (timeout) timeout = clearTimeout(timeout); - var delay = time - clockNow; - if (delay > 24) { - if (time < Infinity) timeout = setTimeout(wake, delay); - if (interval) interval = clearInterval(interval); + // Compute the key for each datum. + // If there a node associated with this key, join and add it to update. + // If there is not (or the key is a duplicate), add it to enter. + for (i = 0; i < dataLength; ++i) { + keyValue = keyPrefix + key.call(parent, data[i], i, data); + if (node = nodeByKeyValue[keyValue]) { + update[i] = node; + node.__data__ = data[i]; + nodeByKeyValue[keyValue] = null; } else { - if (!interval) interval = setInterval(poke$1, pokeDelay); - frame = 1, setFrame(wake); + enter[i] = new EnterNode(parent, data[i]); } } - function timeout$1(callback, delay, time) { - var t = new Timer; - delay = delay == null ? 0 : +delay; - t.restart(function(elapsed) { - t.stop(); - callback(elapsed + delay); - }, delay, time); - return t; + // Add any remaining nodes that were not bound to data to exit. + for (i = 0; i < groupLength; ++i) { + if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) { + exit[i] = node; + } } +} - function interval$1(callback, delay, time) { - var t = new Timer, total = delay; - if (delay == null) return t.restart(callback, delay, time), t; - delay = +delay, time = time == null ? now() : +time; - t.restart(function tick(elapsed) { - elapsed += total; - t.restart(tick, total += delay, time); - callback(elapsed); - }, delay, time); - return t; +var selection_data = function(value, key) { + if (!value) { + data = new Array(this.size()), j = -1; + this.each(function(d) { data[++j] = d; }); + return data; } -var t0$1 = new Date; -var t1$1 = new Date; - function newInterval(floori, offseti, count, field) { - - function interval(date) { - return floori(date = new Date(+date)), date; - } + var bind = key ? bindKey : bindIndex, + parents = this._parents, + groups = this._groups; - interval.floor = interval; + if (typeof value !== "function") value = constant$5(value); - interval.ceil = function(date) { - return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; - }; + for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) { + var parent = parents[j], + group = groups[j], + groupLength = group.length, + data = value.call(parent, parent && parent.__data__, j, parents), + dataLength = data.length, + enterGroup = enter[j] = new Array(dataLength), + updateGroup = update[j] = new Array(dataLength), + exitGroup = exit[j] = new Array(groupLength); - interval.round = function(date) { - var d0 = interval(date), - d1 = interval.ceil(date); - return date - d0 < d1 - date ? d0 : d1; - }; + bind(parent, group, enterGroup, updateGroup, exitGroup, data, key); - interval.offset = function(date, step) { - return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; - }; + // Now connect the enter nodes to their following update node, such that + // appendChild can insert the materialized enter node before this node, + // rather than at the end of the parent node. + for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) { + if (previous = enterGroup[i0]) { + if (i0 >= i1) i1 = i0 + 1; + while (!(next = updateGroup[i1]) && ++i1 < dataLength); + previous._next = next || null; + } + } + } - interval.range = function(start, stop, step) { - var range = []; - start = interval.ceil(start); - step = step == null ? 1 : Math.floor(step); - if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date - do range.push(new Date(+start)); while (offseti(start, step), floori(start), start < stop) - return range; - }; + update = new Selection(update, parents); + update._enter = enter; + update._exit = exit; + return update; +} - interval.filter = function(test) { - return newInterval(function(date) { - while (floori(date), !test(date)) date.setTime(date - 1); - }, function(date, step) { - while (--step >= 0) while (offseti(date, 1), !test(date)); - }); - }; +var selection_exit = function() { + return new Selection(this._exit || this._groups.map(sparse), this._parents); +} - if (count) { - interval.count = function(start, end) { - t0$1.setTime(+start), t1$1.setTime(+end); - floori(t0$1), floori(t1$1); - return Math.floor(count(t0$1, t1$1)); - }; +var selection_merge = function(selection) { - interval.every = function(step) { - step = Math.floor(step); - return !isFinite(step) || !(step > 0) ? null - : !(step > 1) ? interval - : interval.filter(field - ? function(d) { return field(d) % step === 0; } - : function(d) { return interval.count(0, d) % step === 0; }); - }; + for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group0[i] || group1[i]) { + merge[i] = node; + } } + } - return interval; + for (; j < m0; ++j) { + merges[j] = groups0[j]; } - var millisecond = newInterval(function() { - // noop - }, function(date, step) { - date.setTime(+date + step); - }, function(start, end) { - return end - start; - }); + return new Selection(merges, this._parents); +} - // An optimized implementation for this simple case. - millisecond.every = function(k) { - k = Math.floor(k); - if (!isFinite(k) || !(k > 0)) return null; - if (!(k > 1)) return millisecond; - return newInterval(function(date) { - date.setTime(Math.floor(date / k) * k); - }, function(date, step) { - date.setTime(+date + step * k); - }, function(start, end) { - return (end - start) / k; - }); - }; +var selection_order = function() { - var milliseconds = millisecond.range; + for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { + for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) { + if (node = group[i]) { + if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); + next = node; + } + } + } - var durationSecond = 1e3; - var durationMinute = 6e4; - var durationHour = 36e5; - var durationDay = 864e5; - var durationWeek = 6048e5; + return this; +} - var second = newInterval(function(date) { - date.setTime(Math.floor(date / durationSecond) * durationSecond); - }, function(date, step) { - date.setTime(+date + step * durationSecond); - }, function(start, end) { - return (end - start) / durationSecond; - }, function(date) { - return date.getUTCSeconds(); - }); +var selection_sort = function(compare) { + if (!compare) compare = ascending$2; - var seconds = second.range; + function compareNode(a, b) { + return a && b ? compare(a.__data__, b.__data__) : !a - !b; + } - var minute = newInterval(function(date) { - date.setTime(Math.floor(date / durationMinute) * durationMinute); - }, function(date, step) { - date.setTime(+date + step * durationMinute); - }, function(start, end) { - return (end - start) / durationMinute; - }, function(date) { - return date.getMinutes(); - }); + for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group[i]) { + sortgroup[i] = node; + } + } + sortgroup.sort(compareNode); + } - var minutes = minute.range; + return new Selection(sortgroups, this._parents).order(); +} - var hour = newInterval(function(date) { - var offset = date.getTimezoneOffset() * durationMinute % durationHour; - if (offset < 0) offset += durationHour; - date.setTime(Math.floor((+date - offset) / durationHour) * durationHour + offset); - }, function(date, step) { - date.setTime(+date + step * durationHour); - }, function(start, end) { - return (end - start) / durationHour; - }, function(date) { - return date.getHours(); - }); +function ascending$2(a, b) { + return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; +} - var hours = hour.range; +var selection_call = function() { + var callback = arguments[0]; + arguments[0] = this; + callback.apply(null, arguments); + return this; +} - var day = newInterval(function(date) { - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setDate(date.getDate() + step); - }, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay; - }, function(date) { - return date.getDate() - 1; - }); +var selection_nodes = function() { + var nodes = new Array(this.size()), i = -1; + this.each(function() { nodes[++i] = this; }); + return nodes; +} - var days = day.range; +var selection_node = function() { - function weekday(i) { - return newInterval(function(date) { - date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setDate(date.getDate() + step * 7); - }, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; - }); + for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { + for (var group = groups[j], i = 0, n = group.length; i < n; ++i) { + var node = group[i]; + if (node) return node; + } } - var timeWeek = weekday(0); - var timeMonday = weekday(1); - var tuesday = weekday(2); - var wednesday = weekday(3); - var thursday = weekday(4); - var friday = weekday(5); - var saturday = weekday(6); - - var sundays = timeWeek.range; - var mondays = timeMonday.range; - var tuesdays = tuesday.range; - var wednesdays = wednesday.range; - var thursdays = thursday.range; - var fridays = friday.range; - var saturdays = saturday.range; - - var month = newInterval(function(date) { - date.setDate(1); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setMonth(date.getMonth() + step); - }, function(start, end) { - return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; - }, function(date) { - return date.getMonth(); - }); + return null; +} - var months = month.range; +var selection_size = function() { + var size = 0; + this.each(function() { ++size; }); + return size; +} - var year = newInterval(function(date) { - date.setMonth(0, 1); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setFullYear(date.getFullYear() + step); - }, function(start, end) { - return end.getFullYear() - start.getFullYear(); - }, function(date) { - return date.getFullYear(); - }); +var selection_empty = function() { + return !this.node(); +} - // An optimized implementation for this simple case. - year.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { - date.setFullYear(Math.floor(date.getFullYear() / k) * k); - date.setMonth(0, 1); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setFullYear(date.getFullYear() + step * k); - }); - }; +var selection_each = function(callback) { - var years = year.range; + for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { + for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { + if (node = group[i]) callback.call(node, node.__data__, i, group); + } + } - var utcMinute = newInterval(function(date) { - date.setUTCSeconds(0, 0); - }, function(date, step) { - date.setTime(+date + step * durationMinute); - }, function(start, end) { - return (end - start) / durationMinute; - }, function(date) { - return date.getUTCMinutes(); - }); + return this; +} - var utcMinutes = utcMinute.range; +function attrRemove(name) { + return function() { + this.removeAttribute(name); + }; +} - var utcHour = newInterval(function(date) { - date.setUTCMinutes(0, 0, 0); - }, function(date, step) { - date.setTime(+date + step * durationHour); - }, function(start, end) { - return (end - start) / durationHour; - }, function(date) { - return date.getUTCHours(); - }); +function attrRemoveNS(fullname) { + return function() { + this.removeAttributeNS(fullname.space, fullname.local); + }; +} - var utcHours = utcHour.range; +function attrConstant(name, value) { + return function() { + this.setAttribute(name, value); + }; +} - var utcDay = newInterval(function(date) { - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCDate(date.getUTCDate() + step); - }, function(start, end) { - return (end - start) / durationDay; - }, function(date) { - return date.getUTCDate() - 1; - }); +function attrConstantNS(fullname, value) { + return function() { + this.setAttributeNS(fullname.space, fullname.local, value); + }; +} - var utcDays = utcDay.range; +function attrFunction(name, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.removeAttribute(name); + else this.setAttribute(name, v); + }; +} - function utcWeekday(i) { - return newInterval(function(date) { - date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCDate(date.getUTCDate() + step * 7); - }, function(start, end) { - return (end - start) / durationWeek; - }); - } +function attrFunctionNS(fullname, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.removeAttributeNS(fullname.space, fullname.local); + else this.setAttributeNS(fullname.space, fullname.local, v); + }; +} - var utcWeek = utcWeekday(0); - var utcMonday = utcWeekday(1); - var utcTuesday = utcWeekday(2); - var utcWednesday = utcWeekday(3); - var utcThursday = utcWeekday(4); - var utcFriday = utcWeekday(5); - var utcSaturday = utcWeekday(6); - - var utcSundays = utcWeek.range; - var utcMondays = utcMonday.range; - var utcTuesdays = utcTuesday.range; - var utcWednesdays = utcWednesday.range; - var utcThursdays = utcThursday.range; - var utcFridays = utcFriday.range; - var utcSaturdays = utcSaturday.range; - - var utcMonth = newInterval(function(date) { - date.setUTCDate(1); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCMonth(date.getUTCMonth() + step); - }, function(start, end) { - return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; - }, function(date) { - return date.getUTCMonth(); - }); +var selection_attr = function(name, value) { + var fullname = namespace(name); - var utcMonths = utcMonth.range; + if (arguments.length < 2) { + var node = this.node(); + return fullname.local + ? node.getAttributeNS(fullname.space, fullname.local) + : node.getAttribute(fullname); + } - var utcYear = newInterval(function(date) { - date.setUTCMonth(0, 1); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCFullYear(date.getUTCFullYear() + step); - }, function(start, end) { - return end.getUTCFullYear() - start.getUTCFullYear(); - }, function(date) { - return date.getUTCFullYear(); - }); + return this.each((value == null + ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" + ? (fullname.local ? attrFunctionNS : attrFunction) + : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); +} - // An optimized implementation for this simple case. - utcYear.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { - date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); - date.setUTCMonth(0, 1); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCFullYear(date.getUTCFullYear() + step * k); - }); - }; +var window = function(node) { + return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node + || (node.document && node) // node is a Window + || node.defaultView; // node is a Document +} - var utcYears = utcYear.range; +function styleRemove(name) { + return function() { + this.style.removeProperty(name); + }; +} - // Computes the decimal coefficient and exponent of the specified number x with - // significant digits p, where x is positive and p is in [1, 21] or undefined. - // For example, formatDecimal(1.23) returns ["123", 0]. - function formatDecimal(x, p) { - if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity - var i, coefficient = x.slice(0, i); +function styleConstant(name, value, priority) { + return function() { + this.style.setProperty(name, value, priority); + }; +} - // The string returned by toExponential either has the form \d\.\d+e[-+]\d+ - // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3). - return [ - coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, - +x.slice(i + 1) - ]; - } +function styleFunction(name, value, priority) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.style.removeProperty(name); + else this.style.setProperty(name, v, priority); + }; +} + +var selection_style = function(name, value, priority) { + var node; + return arguments.length > 1 + ? this.each((value == null + ? styleRemove : typeof value === "function" + ? styleFunction + : styleConstant)(name, value, priority == null ? "" : priority)) + : window(node = this.node()) + .getComputedStyle(node, null) + .getPropertyValue(name); +} + +function propertyRemove(name) { + return function() { + delete this[name]; + }; +} - function exponent$1(x) { - return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; - } +function propertyConstant(name, value) { + return function() { + this[name] = value; + }; +} - function formatGroup(grouping, thousands) { - return function(value, width) { - var i = value.length, - t = [], - j = 0, - g = grouping[0], - length = 0; +function propertyFunction(name, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) delete this[name]; + else this[name] = v; + }; +} + +var selection_property = function(name, value) { + return arguments.length > 1 + ? this.each((value == null + ? propertyRemove : typeof value === "function" + ? propertyFunction + : propertyConstant)(name, value)) + : this.node()[name]; +} + +function classArray(string) { + return string.trim().split(/^|\s+/); +} + +function classList(node) { + return node.classList || new ClassList(node); +} + +function ClassList(node) { + this._node = node; + this._names = classArray(node.getAttribute("class") || ""); +} + +ClassList.prototype = { + add: function(name) { + var i = this._names.indexOf(name); + if (i < 0) { + this._names.push(name); + this._node.setAttribute("class", this._names.join(" ")); + } + }, + remove: function(name) { + var i = this._names.indexOf(name); + if (i >= 0) { + this._names.splice(i, 1); + this._node.setAttribute("class", this._names.join(" ")); + } + }, + contains: function(name) { + return this._names.indexOf(name) >= 0; + } +}; + +function classedAdd(node, names) { + var list = classList(node), i = -1, n = names.length; + while (++i < n) list.add(names[i]); +} + +function classedRemove(node, names) { + var list = classList(node), i = -1, n = names.length; + while (++i < n) list.remove(names[i]); +} + +function classedTrue(names) { + return function() { + classedAdd(this, names); + }; +} - while (i > 0 && g > 0) { - if (length + g + 1 > width) g = Math.max(1, width - length); - t.push(value.substring(i -= g, i + g)); - if ((length += g + 1) > width) break; - g = grouping[j = (j + 1) % grouping.length]; - } +function classedFalse(names) { + return function() { + classedRemove(this, names); + }; +} - return t.reverse().join(thousands); - }; - } +function classedFunction(names, value) { + return function() { + (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names); + }; +} - function formatDefault(x, p) { - x = x.toPrecision(p); - - out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) { - switch (x[i]) { - case ".": i0 = i1 = i; break; - case "0": if (i0 === 0) i0 = i; i1 = i; break; - case "e": break out; - default: if (i0 > 0) i0 = 0; break; - } - } +var selection_classed = function(name, value) { + var names = classArray(name + ""); - return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x; + if (arguments.length < 2) { + var list = classList(this.node()), i = -1, n = names.length; + while (++i < n) if (!list.contains(names[i])) return false; + return true; } - var prefixExponent; - - function formatPrefixAuto(x, p) { - var d = formatDecimal(x, p); - if (!d) return x + ""; - var coefficient = d[0], - exponent = d[1], - i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, - n = coefficient.length; - return i === n ? coefficient - : i > n ? coefficient + new Array(i - n + 1).join("0") - : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) - : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y! - } + return this.each((typeof value === "function" + ? classedFunction : value + ? classedTrue + : classedFalse)(names, value)); +} - function formatRounded(x, p) { - var d = formatDecimal(x, p); - if (!d) return x + ""; - var coefficient = d[0], - exponent = d[1]; - return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient - : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) - : coefficient + new Array(exponent - coefficient.length + 2).join("0"); - } +function textRemove() { + this.textContent = ""; +} - var formatTypes = { - "": formatDefault, - "%": function(x, p) { return (x * 100).toFixed(p); }, - "b": function(x) { return Math.round(x).toString(2); }, - "c": function(x) { return x + ""; }, - "d": function(x) { return Math.round(x).toString(10); }, - "e": function(x, p) { return x.toExponential(p); }, - "f": function(x, p) { return x.toFixed(p); }, - "g": function(x, p) { return x.toPrecision(p); }, - "o": function(x) { return Math.round(x).toString(8); }, - "p": function(x, p) { return formatRounded(x * 100, p); }, - "r": formatRounded, - "s": formatPrefixAuto, - "X": function(x) { return Math.round(x).toString(16).toUpperCase(); }, - "x": function(x) { return Math.round(x).toString(16); } +function textConstant(value) { + return function() { + this.textContent = value; }; +} - // [[fill]align][sign][symbol][0][width][,][.precision][type] - var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i; +function textFunction(value) { + return function() { + var v = value.apply(this, arguments); + this.textContent = v == null ? "" : v; + }; +} + +var selection_text = function(value) { + return arguments.length + ? this.each(value == null + ? textRemove : (typeof value === "function" + ? textFunction + : textConstant)(value)) + : this.node().textContent; +} + +function htmlRemove() { + this.innerHTML = ""; +} + +function htmlConstant(value) { + return function() { + this.innerHTML = value; + }; +} - function formatSpecifier(specifier) { - return new FormatSpecifier(specifier); - } +function htmlFunction(value) { + return function() { + var v = value.apply(this, arguments); + this.innerHTML = v == null ? "" : v; + }; +} + +var selection_html = function(value) { + return arguments.length + ? this.each(value == null + ? htmlRemove : (typeof value === "function" + ? htmlFunction + : htmlConstant)(value)) + : this.node().innerHTML; +} + +function raise$1() { + if (this.nextSibling) this.parentNode.appendChild(this); +} + +var selection_raise = function() { + return this.each(raise$1); +} + +function lower() { + if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); +} + +var selection_lower = function() { + return this.each(lower); +} + +var selection_append = function(name) { + var create = typeof name === "function" ? name : creator(name); + return this.select(function() { + return this.appendChild(create.apply(this, arguments)); + }); +} - function FormatSpecifier(specifier) { - if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); +function constantNull() { + return null; +} - var match, - fill = match[1] || " ", - align = match[2] || ">", - sign = match[3] || "-", - symbol = match[4] || "", - zero = !!match[5], - width = match[6] && +match[6], - comma = !!match[7], - precision = match[8] && +match[8].slice(1), - type = match[9] || ""; +var selection_insert = function(name, before) { + var create = typeof name === "function" ? name : creator(name), + select = before == null ? constantNull : typeof before === "function" ? before : selector(before); + return this.select(function() { + return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); + }); +} - // The "n" type is an alias for ",g". - if (type === "n") comma = true, type = "g"; +function remove() { + var parent = this.parentNode; + if (parent) parent.removeChild(this); +} - // Map invalid types to the default format. - else if (!formatTypes[type]) type = ""; +var selection_remove = function() { + return this.each(remove); +} - // If zero fill is specified, padding goes after sign and before digits. - if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; +var selection_datum = function(value) { + return arguments.length + ? this.property("__data__", value) + : this.node().__data__; +} - this.fill = fill; - this.align = align; - this.sign = sign; - this.symbol = symbol; - this.zero = zero; - this.width = width; - this.comma = comma; - this.precision = precision; - this.type = type; - } +function dispatchEvent(node, type, params) { + var window$$1 = window(node), + event = window$$1.CustomEvent; - FormatSpecifier.prototype.toString = function() { - return this.fill - + this.align - + this.sign - + this.symbol - + (this.zero ? "0" : "") - + (this.width == null ? "" : Math.max(1, this.width | 0)) - + (this.comma ? "," : "") - + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0)) - + this.type; - }; - - var prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; - - function identity$3(x) { - return x; + if (event) { + event = new event(type, params); + } else { + event = window$$1.document.createEvent("Event"); + if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; + else event.initEvent(type, false, false); } - function formatLocale(locale) { - var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, - currency = locale.currency, - decimal = locale.decimal; - - function newFormat(specifier) { - specifier = formatSpecifier(specifier); - - var fill = specifier.fill, - align = specifier.align, - sign = specifier.sign, - symbol = specifier.symbol, - zero = specifier.zero, - width = specifier.width, - comma = specifier.comma, - precision = specifier.precision, - type = specifier.type; - - // Compute the prefix and suffix. - // For SI-prefix, the suffix is lazily computed. - var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", - suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? "%" : ""; - - // What format function should we use? - // Is this an integer type? - // Can this type generate exponential notation? - var formatType = formatTypes[type], - maybeSuffix = !type || /[defgprs%]/.test(type); - - // Set the default precision if not specified, - // or clamp the specified precision to the supported range. - // For significant precision, it must be in [1, 21]. - // For fixed precision, it must be in [0, 20]. - precision = precision == null ? (type ? 6 : 12) - : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) - : Math.max(0, Math.min(20, precision)); - - function format(value) { - var valuePrefix = prefix, - valueSuffix = suffix, - i, n, c; - - if (type === "c") { - valueSuffix = formatType(value) + valueSuffix; - value = ""; - } else { - value = +value; - - // Convert negative to positive, and compute the prefix. - // Note that -0 is not less than 0, but 1 / -0 is! - var valueNegative = (value < 0 || 1 / value < 0) && (value *= -1, true); - - // Perform the initial formatting. - value = formatType(value, precision); - - // If the original value was negative, it may be rounded to zero during - // formatting; treat this as (positive) zero. - if (valueNegative) { - i = -1, n = value.length; - valueNegative = false; - while (++i < n) { - if (c = value.charCodeAt(i), (48 < c && c < 58) - || (type === "x" && 96 < c && c < 103) - || (type === "X" && 64 < c && c < 71)) { - valueNegative = true; - break; - } - } - } + node.dispatchEvent(event); +} - // Compute the prefix and suffix. - valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; - valueSuffix = valueSuffix + (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + (valueNegative && sign === "(" ? ")" : ""); - - // Break the formatted value into the integer “value” part that can be - // grouped, and fractional or exponential “suffix” part that is not. - if (maybeSuffix) { - i = -1, n = value.length; - while (++i < n) { - if (c = value.charCodeAt(i), 48 > c || c > 57) { - valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix; - value = value.slice(0, i); - break; - } - } - } - } +function dispatchConstant(type, params) { + return function() { + return dispatchEvent(this, type, params); + }; +} - // If the fill character is not "0", grouping is applied before padding. - if (comma && !zero) value = group(value, Infinity); +function dispatchFunction(type, params) { + return function() { + return dispatchEvent(this, type, params.apply(this, arguments)); + }; +} + +var selection_dispatch = function(type, params) { + return this.each((typeof params === "function" + ? dispatchFunction + : dispatchConstant)(type, params)); +} + +var root = [null]; + +function Selection(groups, parents) { + this._groups = groups; + this._parents = parents; +} + +function selection() { + return new Selection([[document.documentElement]], root); +} + +Selection.prototype = selection.prototype = { + constructor: Selection, + select: selection_select, + selectAll: selection_selectAll, + filter: selection_filter, + data: selection_data, + enter: selection_enter, + exit: selection_exit, + merge: selection_merge, + order: selection_order, + sort: selection_sort, + call: selection_call, + nodes: selection_nodes, + node: selection_node, + size: selection_size, + empty: selection_empty, + each: selection_each, + attr: selection_attr, + style: selection_style, + property: selection_property, + classed: selection_classed, + text: selection_text, + html: selection_html, + raise: selection_raise, + lower: selection_lower, + append: selection_append, + insert: selection_insert, + remove: selection_remove, + datum: selection_datum, + on: selection_on, + dispatch: selection_dispatch +}; + +var select = function(selector) { + return typeof selector === "string" + ? new Selection([[document.querySelector(selector)]], [document.documentElement]) + : new Selection([[selector]], root); +} + +var selectAll = function(selector) { + return typeof selector === "string" + ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) + : new Selection([selector == null ? [] : selector], root); +} + +var touch = function(node, touches, identifier) { + if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; + + for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) { + if ((touch = touches[i]).identifier === identifier) { + return point$5(node, touch); + } + } + + return null; +} + +var touches = function(node, touches) { + if (touches == null) touches = sourceEvent().touches; + + for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) { + points[i] = point$5(node, touches[i]); + } + + return points; +} + +var emptyOn = dispatch("start", "end", "interrupt"); +var emptyTween = []; + +var CREATED = 0; +var SCHEDULED = 1; +var STARTING = 2; +var STARTED = 3; +var RUNNING = 4; +var ENDING = 5; +var ENDED = 6; + +var schedule = function(node, name, id, index, group, timing) { + var schedules = node.__transition; + if (!schedules) node.__transition = {}; + else if (id in schedules) return; + create(node, id, { + name: name, + index: index, // For context during callback. + group: group, // For context during callback. + on: emptyOn, + tween: emptyTween, + time: timing.time, + delay: timing.delay, + duration: timing.duration, + ease: timing.ease, + timer: null, + state: CREATED + }); +} - // Compute the padding. - var length = valuePrefix.length + value.length + valueSuffix.length, - padding = length < width ? new Array(width - length + 1).join(fill) : ""; +function init(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id]) || schedule.state > CREATED) throw new Error("too late"); + return schedule; +} - // If the fill character is "0", grouping is applied after padding. - if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; +function set$3(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id]) || schedule.state > STARTING) throw new Error("too late"); + return schedule; +} - // Reconstruct the final output based on the desired alignment. - switch (align) { - case "<": return valuePrefix + value + valueSuffix + padding; - case "=": return valuePrefix + padding + value + valueSuffix; - case "^": return padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); - } - return padding + valuePrefix + value + valueSuffix; - } +function get$1(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id])) throw new Error("too late"); + return schedule; +} - format.toString = function() { - return specifier + ""; - }; +function create(node, id, self) { + var schedules = node.__transition, + tween; - return format; - } + // Initialize the self timer when the transition is created. + // Note the actual delay is not known until the first callback! + schedules[id] = self; + self.timer = timer(schedule, 0, self.time); - function formatPrefix(specifier, value) { - var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), - e = Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3, - k = Math.pow(10, -e), - prefix = prefixes[8 + e / 3]; - return function(value) { - return f(k * value) + prefix; - }; - } + function schedule(elapsed) { + self.state = SCHEDULED; + self.timer.restart(start, self.delay, self.time); - return { - format: newFormat, - formatPrefix: formatPrefix - }; + // If the elapsed delay is less than our first sleep, start immediately. + if (self.delay <= elapsed) start(elapsed - self.delay); } - var locale; - defaultLocale({ - decimal: ".", - thousands: ",", - grouping: [3], - currency: ["$", ""] - }); + function start(elapsed) { + var i, j, n, o; - function defaultLocale(definition) { - locale = formatLocale(definition); - exports.format = locale.format; - exports.formatPrefix = locale.formatPrefix; - return locale; - } - - function precisionFixed(step) { - return Math.max(0, -exponent$1(Math.abs(step))); - } - - function precisionPrefix(step, value) { - return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step))); - } - - function precisionRound(step, max) { - step = Math.abs(step), max = Math.abs(max) - step; - return Math.max(0, exponent$1(max) - exponent$1(step)) + 1; - } - - function localDate(d) { - if (0 <= d.y && d.y < 100) { - var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); - date.setFullYear(d.y); - return date; - } - return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L); - } - - function utcDate(d) { - if (0 <= d.y && d.y < 100) { - var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L)); - date.setUTCFullYear(d.y); - return date; - } - return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); - } - - function newYear(y) { - return {y: y, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0}; - } - - function formatLocale$1(locale) { - var locale_dateTime = locale.dateTime, - locale_date = locale.date, - locale_time = locale.time, - locale_periods = locale.periods, - locale_weekdays = locale.days, - locale_shortWeekdays = locale.shortDays, - locale_months = locale.months, - locale_shortMonths = locale.shortMonths; - - var periodRe = formatRe(locale_periods), - periodLookup = formatLookup(locale_periods), - weekdayRe = formatRe(locale_weekdays), - weekdayLookup = formatLookup(locale_weekdays), - shortWeekdayRe = formatRe(locale_shortWeekdays), - shortWeekdayLookup = formatLookup(locale_shortWeekdays), - monthRe = formatRe(locale_months), - monthLookup = formatLookup(locale_months), - shortMonthRe = formatRe(locale_shortMonths), - shortMonthLookup = formatLookup(locale_shortMonths); - - var formats = { - "a": formatShortWeekday, - "A": formatWeekday, - "b": formatShortMonth, - "B": formatMonth, - "c": null, - "d": formatDayOfMonth, - "e": formatDayOfMonth, - "H": formatHour24, - "I": formatHour12, - "j": formatDayOfYear, - "L": formatMilliseconds, - "m": formatMonthNumber, - "M": formatMinutes, - "p": formatPeriod, - "S": formatSeconds, - "U": formatWeekNumberSunday, - "w": formatWeekdayNumber, - "W": formatWeekNumberMonday, - "x": null, - "X": null, - "y": formatYear, - "Y": formatFullYear, - "Z": formatZone, - "%": formatLiteralPercent - }; + // If the state is not SCHEDULED, then we previously errored on start. + if (self.state !== SCHEDULED) return stop(); - var utcFormats = { - "a": formatUTCShortWeekday, - "A": formatUTCWeekday, - "b": formatUTCShortMonth, - "B": formatUTCMonth, - "c": null, - "d": formatUTCDayOfMonth, - "e": formatUTCDayOfMonth, - "H": formatUTCHour24, - "I": formatUTCHour12, - "j": formatUTCDayOfYear, - "L": formatUTCMilliseconds, - "m": formatUTCMonthNumber, - "M": formatUTCMinutes, - "p": formatUTCPeriod, - "S": formatUTCSeconds, - "U": formatUTCWeekNumberSunday, - "w": formatUTCWeekdayNumber, - "W": formatUTCWeekNumberMonday, - "x": null, - "X": null, - "y": formatUTCYear, - "Y": formatUTCFullYear, - "Z": formatUTCZone, - "%": formatLiteralPercent - }; + for (i in schedules) { + o = schedules[i]; + if (o.name !== self.name) continue; + + // While this element already has a starting transition during this frame, + // defer starting an interrupting transition until that transition has a + // chance to tick (and possibly end); see d3/d3-transition#54! + if (o.state === STARTED) return timeout$1(start); + + // Interrupt the active transition, if any. + // Dispatch the interrupt event. + if (o.state === RUNNING) { + o.state = ENDED; + o.timer.stop(); + o.on.call("interrupt", node, node.__data__, o.index, o.group); + delete schedules[i]; + } + + // Cancel any pre-empted transitions. No interrupt event is dispatched + // because the cancelled transitions never started. Note that this also + // removes this transition from the pending list! + else if (+i < id) { + o.state = ENDED; + o.timer.stop(); + delete schedules[i]; + } + } + + // Defer the first tick to end of the current frame; see d3/d3#1576. + // Note the transition may be canceled after start and before the first tick! + // Note this must be scheduled before the start event; see d3/d3-transition#16! + // Assuming this is successful, subsequent callbacks go straight to tick. + timeout$1(function() { + if (self.state === STARTED) { + self.state = RUNNING; + self.timer.restart(tick, self.delay, self.time); + tick(elapsed); + } + }); - var parses = { - "a": parseShortWeekday, - "A": parseWeekday, - "b": parseShortMonth, - "B": parseMonth, - "c": parseLocaleDateTime, - "d": parseDayOfMonth, - "e": parseDayOfMonth, - "H": parseHour24, - "I": parseHour24, - "j": parseDayOfYear, - "L": parseMilliseconds, - "m": parseMonthNumber, - "M": parseMinutes, - "p": parsePeriod, - "S": parseSeconds, - "U": parseWeekNumberSunday, - "w": parseWeekdayNumber, - "W": parseWeekNumberMonday, - "x": parseLocaleDate, - "X": parseLocaleTime, - "y": parseYear, - "Y": parseFullYear, - "Z": parseZone, - "%": parseLiteralPercent - }; + // Dispatch the start event. + // Note this must be done before the tween are initialized. + self.state = STARTING; + self.on.call("start", node, node.__data__, self.index, self.group); + if (self.state !== STARTING) return; // interrupted + self.state = STARTED; - // These recursive directive definitions must be deferred. - formats.x = newFormat(locale_date, formats); - formats.X = newFormat(locale_time, formats); - formats.c = newFormat(locale_dateTime, formats); - utcFormats.x = newFormat(locale_date, utcFormats); - utcFormats.X = newFormat(locale_time, utcFormats); - utcFormats.c = newFormat(locale_dateTime, utcFormats); - - function newFormat(specifier, formats) { - return function(date) { - var string = [], - i = -1, - j = 0, - n = specifier.length, - c, - pad, - format; - - if (!(date instanceof Date)) date = new Date(+date); - - while (++i < n) { - if (specifier.charCodeAt(i) === 37) { - string.push(specifier.slice(j, i)); - if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i); - else pad = c === "e" ? " " : "0"; - if (format = formats[c]) c = format(date, pad); - string.push(c); - j = i + 1; - } - } + // Initialize the tween, deleting null tween. + tween = new Array(n = self.tween.length); + for (i = 0, j = -1; i < n; ++i) { + if (o = self.tween[i].value.call(node, node.__data__, self.index, self.group)) { + tween[++j] = o; + } + } + tween.length = j + 1; + } - string.push(specifier.slice(j, i)); - return string.join(""); - }; + function tick(elapsed) { + var t = elapsed < self.duration ? self.ease.call(null, elapsed / self.duration) : (self.timer.restart(stop), self.state = ENDING, 1), + i = -1, + n = tween.length; + + while (++i < n) { + tween[i].call(null, t); } - function newParse(specifier, newDate) { - return function(string) { - var d = newYear(1900), - i = parseSpecifier(d, specifier, string += "", 0); - if (i != string.length) return null; + // Dispatch the end event. + if (self.state === ENDING) { + self.on.call("end", node, node.__data__, self.index, self.group); + stop(); + } + } - // The am-pm flag is 0 for AM, and 1 for PM. - if ("p" in d) d.H = d.H % 12 + d.p * 12; + function stop() { + self.state = ENDED; + self.timer.stop(); + delete schedules[id]; + for (var i in schedules) return; // eslint-disable-line no-unused-vars + delete node.__transition; + } +} - // Convert day-of-week and week-of-year to day-of-year. - if ("W" in d || "U" in d) { - if (!("w" in d)) d.w = "W" in d ? 1 : 0; - var day = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay(); - d.m = 0; - d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day + 5) % 7 : d.w + d.U * 7 - (day + 6) % 7; - } +var interrupt = function(node, name) { + var schedules = node.__transition, + schedule, + active, + empty = true, + i; - // If a time zone is specified, all fields are interpreted as UTC and then - // offset according to the specified time zone. - if ("Z" in d) { - d.H += d.Z / 100 | 0; - d.M += d.Z % 100; - return utcDate(d); - } + if (!schedules) return; - // Otherwise, all fields are in local time. - return newDate(d); - }; - } + name = name == null ? null : name + ""; - function parseSpecifier(d, specifier, string, j) { - var i = 0, - n = specifier.length, - m = string.length, - c, - parse; - - while (i < n) { - if (j >= m) return -1; - c = specifier.charCodeAt(i++); - if (c === 37) { - c = specifier.charAt(i++); - parse = parses[c in pads ? specifier.charAt(i++) : c]; - if (!parse || ((j = parse(d, string, j)) < 0)) return -1; - } else if (c != string.charCodeAt(j++)) { - return -1; + for (i in schedules) { + if ((schedule = schedules[i]).name !== name) { empty = false; continue; } + active = schedule.state === STARTED; + schedule.state = ENDED; + schedule.timer.stop(); + if (active) schedule.on.call("interrupt", node, node.__data__, schedule.index, schedule.group); + delete schedules[i]; + } + + if (empty) delete node.__transition; +} + +var selection_interrupt = function(name) { + return this.each(function() { + interrupt(this, name); + }); +} + +function tweenRemove(id, name) { + var tween0, tween1; + return function() { + var schedule = set$3(this, id), + tween = schedule.tween; + + // If this node shared tween with the previous node, + // just assign the updated shared tween and we’re done! + // Otherwise, copy-on-write. + if (tween !== tween0) { + tween1 = tween0 = tween; + for (var i = 0, n = tween1.length; i < n; ++i) { + if (tween1[i].name === name) { + tween1 = tween1.slice(); + tween1.splice(i, 1); + break; } } - - return j; } - function parsePeriod(d, string, i) { - var n = periodRe.exec(string.slice(i)); - return n ? (d.p = periodLookup[n[0].toLowerCase()], i + n[0].length) : -1; + schedule.tween = tween1; + }; +} + +function tweenFunction(id, name, value) { + var tween0, tween1; + if (typeof value !== "function") throw new Error; + return function() { + var schedule = set$3(this, id), + tween = schedule.tween; + + // If this node shared tween with the previous node, + // just assign the updated shared tween and we’re done! + // Otherwise, copy-on-write. + if (tween !== tween0) { + tween1 = (tween0 = tween).slice(); + for (var t = {name: name, value: value}, i = 0, n = tween1.length; i < n; ++i) { + if (tween1[i].name === name) { + tween1[i] = t; + break; + } + } + if (i === n) tween1.push(t); } - function parseShortWeekday(d, string, i) { - var n = shortWeekdayRe.exec(string.slice(i)); - return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + schedule.tween = tween1; + }; +} - function parseWeekday(d, string, i) { - var n = weekdayRe.exec(string.slice(i)); - return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } +var transition_tween = function(name, value) { + var id = this._id; - function parseShortMonth(d, string, i) { - var n = shortMonthRe.exec(string.slice(i)); - return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + name += ""; - function parseMonth(d, string, i) { - var n = monthRe.exec(string.slice(i)); - return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1; + if (arguments.length < 2) { + var tween = get$1(this.node(), id).tween; + for (var i = 0, n = tween.length, t; i < n; ++i) { + if ((t = tween[i]).name === name) { + return t.value; + } } + return null; + } - function parseLocaleDateTime(d, string, i) { - return parseSpecifier(d, locale_dateTime, string, i); - } + return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); +} - function parseLocaleDate(d, string, i) { - return parseSpecifier(d, locale_date, string, i); - } +function tweenValue(transition, name, value) { + var id = transition._id; - function parseLocaleTime(d, string, i) { - return parseSpecifier(d, locale_time, string, i); - } + transition.each(function() { + var schedule = set$3(this, id); + (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); + }); - function formatShortWeekday(d) { - return locale_shortWeekdays[d.getDay()]; - } + return function(node) { + return get$1(node, id).value[name]; + }; +} + +var interpolate$1 = function(a, b) { + var c; + return (typeof b === "number" ? interpolateNumber + : b instanceof color ? interpolateRgb + : (c = color(b)) ? (b = c, interpolateRgb) + : interpolateString)(a, b); +} + +function attrRemove$1(name) { + return function() { + this.removeAttribute(name); + }; +} - function formatWeekday(d) { - return locale_weekdays[d.getDay()]; - } +function attrRemoveNS$1(fullname) { + return function() { + this.removeAttributeNS(fullname.space, fullname.local); + }; +} + +function attrConstant$1(name, interpolate$$1, value1) { + var value00, + interpolate0; + return function() { + var value0 = this.getAttribute(name); + return value0 === value1 ? null + : value0 === value00 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value1); + }; +} + +function attrConstantNS$1(fullname, interpolate$$1, value1) { + var value00, + interpolate0; + return function() { + var value0 = this.getAttributeNS(fullname.space, fullname.local); + return value0 === value1 ? null + : value0 === value00 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value1); + }; +} + +function attrFunction$1(name, interpolate$$1, value) { + var value00, + value10, + interpolate0; + return function() { + var value0, value1 = value(this); + if (value1 == null) return void this.removeAttribute(name); + value0 = this.getAttribute(name); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + }; +} + +function attrFunctionNS$1(fullname, interpolate$$1, value) { + var value00, + value10, + interpolate0; + return function() { + var value0, value1 = value(this); + if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local); + value0 = this.getAttributeNS(fullname.space, fullname.local); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + }; +} + +var transition_attr = function(name, value) { + var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate$1; + return this.attrTween(name, typeof value === "function" + ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) + : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) + : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); +} + +function attrTweenNS(fullname, value) { + function tween() { + var node = this, i = value.apply(node, arguments); + return i && function(t) { + node.setAttributeNS(fullname.space, fullname.local, i(t)); + }; + } + tween._value = value; + return tween; +} + +function attrTween(name, value) { + function tween() { + var node = this, i = value.apply(node, arguments); + return i && function(t) { + node.setAttribute(name, i(t)); + }; + } + tween._value = value; + return tween; +} + +var transition_attrTween = function(name, value) { + var key = "attr." + name; + if (arguments.length < 2) return (key = this.tween(key)) && key._value; + if (value == null) return this.tween(key, null); + if (typeof value !== "function") throw new Error; + var fullname = namespace(name); + return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value)); +} + +function delayFunction(id, value) { + return function() { + init(this, id).delay = +value.apply(this, arguments); + }; +} - function formatShortMonth(d) { - return locale_shortMonths[d.getMonth()]; - } +function delayConstant(id, value) { + return value = +value, function() { + init(this, id).delay = value; + }; +} - function formatMonth(d) { - return locale_months[d.getMonth()]; - } +var transition_delay = function(value) { + var id = this._id; - function formatPeriod(d) { - return locale_periods[+(d.getHours() >= 12)]; - } + return arguments.length + ? this.each((typeof value === "function" + ? delayFunction + : delayConstant)(id, value)) + : get$1(this.node(), id).delay; +} - function formatUTCShortWeekday(d) { - return locale_shortWeekdays[d.getUTCDay()]; - } +function durationFunction(id, value) { + return function() { + set$3(this, id).duration = +value.apply(this, arguments); + }; +} - function formatUTCWeekday(d) { - return locale_weekdays[d.getUTCDay()]; - } +function durationConstant(id, value) { + return value = +value, function() { + set$3(this, id).duration = value; + }; +} + +var transition_duration = function(value) { + var id = this._id; + + return arguments.length + ? this.each((typeof value === "function" + ? durationFunction + : durationConstant)(id, value)) + : get$1(this.node(), id).duration; +} + +function easeConstant(id, value) { + if (typeof value !== "function") throw new Error; + return function() { + set$3(this, id).ease = value; + }; +} - function formatUTCShortMonth(d) { - return locale_shortMonths[d.getUTCMonth()]; - } +var transition_ease = function(value) { + var id = this._id; - function formatUTCMonth(d) { - return locale_months[d.getUTCMonth()]; - } + return arguments.length + ? this.each(easeConstant(id, value)) + : get$1(this.node(), id).ease; +} - function formatUTCPeriod(d) { - return locale_periods[+(d.getUTCHours() >= 12)]; - } +var transition_filter = function(match) { + if (typeof match !== "function") match = matcher$1(match); - return { - format: function(specifier) { - var f = newFormat(specifier += "", formats); - f.toString = function() { return specifier; }; - return f; - }, - parse: function(specifier) { - var p = newParse(specifier += "", localDate); - p.toString = function() { return specifier; }; - return p; - }, - utcFormat: function(specifier) { - var f = newFormat(specifier += "", utcFormats); - f.toString = function() { return specifier; }; - return f; - }, - utcParse: function(specifier) { - var p = newParse(specifier, utcDate); - p.toString = function() { return specifier; }; - return p; + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { + if ((node = group[i]) && match.call(node, node.__data__, i, group)) { + subgroup.push(node); } - }; - } - - var pads = {"-": "", "_": " ", "0": "0"}; - var numberRe = /^\s*\d+/; - var percentRe = /^%/; - var requoteRe = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; - function pad(value, fill, width) { - var sign = value < 0 ? "-" : "", - string = (sign ? -value : value) + "", - length = string.length; - return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); + } } - function requote(s) { - return s.replace(requoteRe, "\\$&"); - } + return new Transition(subgroups, this._parents, this._name, this._id); +} - function formatRe(names) { - return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i"); - } +var transition_merge = function(transition) { + if (transition._id !== this._id) throw new Error; - function formatLookup(names) { - var map = {}, i = -1, n = names.length; - while (++i < n) map[names[i].toLowerCase()] = i; - return map; + for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group0[i] || group1[i]) { + merge[i] = node; + } + } } - function parseWeekdayNumber(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 1)); - return n ? (d.w = +n[0], i + n[0].length) : -1; + for (; j < m0; ++j) { + merges[j] = groups0[j]; } - function parseWeekNumberSunday(d, string, i) { - var n = numberRe.exec(string.slice(i)); - return n ? (d.U = +n[0], i + n[0].length) : -1; - } + return new Transition(merges, this._parents, this._name, this._id); +} - function parseWeekNumberMonday(d, string, i) { - var n = numberRe.exec(string.slice(i)); - return n ? (d.W = +n[0], i + n[0].length) : -1; - } +function start$1(name) { + return (name + "").trim().split(/^|\s+/).every(function(t) { + var i = t.indexOf("."); + if (i >= 0) t = t.slice(0, i); + return !t || t === "start"; + }); +} - function parseFullYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 4)); - return n ? (d.y = +n[0], i + n[0].length) : -1; - } +function onFunction(id, name, listener) { + var on0, on1, sit = start$1(name) ? init : set$3; + return function() { + var schedule = sit(this, id), + on = schedule.on; - function parseYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1; - } + // If this node shared a dispatch with the previous node, + // just assign the updated shared dispatch and we’re done! + // Otherwise, copy-on-write. + if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener); - function parseZone(d, string, i) { - var n = /^(Z)|([+-]\d\d)(?:\:?(\d\d))?/.exec(string.slice(i, i + 6)); - return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; - } + schedule.on = on1; + }; +} - function parseMonthNumber(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.m = n[0] - 1, i + n[0].length) : -1; - } +var transition_on = function(name, listener) { + var id = this._id; - function parseDayOfMonth(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.d = +n[0], i + n[0].length) : -1; - } + return arguments.length < 2 + ? get$1(this.node(), id).on.on(name) + : this.each(onFunction(id, name, listener)); +} - function parseDayOfYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 3)); - return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1; - } +function removeFunction(id) { + return function() { + var parent = this.parentNode; + for (var i in this.__transition) if (+i !== id) return; + if (parent) parent.removeChild(this); + }; +} - function parseHour24(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.H = +n[0], i + n[0].length) : -1; - } +var transition_remove = function() { + return this.on("end.remove", removeFunction(this._id)); +} - function parseMinutes(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.M = +n[0], i + n[0].length) : -1; - } +var transition_select = function(select$$1) { + var name = this._name, + id = this._id; - function parseSeconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.S = +n[0], i + n[0].length) : -1; - } + if (typeof select$$1 !== "function") select$$1 = selector(select$$1); - function parseMilliseconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 3)); - return n ? (d.L = +n[0], i + n[0].length) : -1; + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { + if ((node = group[i]) && (subnode = select$$1.call(node, node.__data__, i, group))) { + if ("__data__" in node) subnode.__data__ = node.__data__; + subgroup[i] = subnode; + schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); + } + } } - function parseLiteralPercent(d, string, i) { - var n = percentRe.exec(string.slice(i, i + 1)); - return n ? i + n[0].length : -1; - } + return new Transition(subgroups, this._parents, name, id); +} - function formatDayOfMonth(d, p) { - return pad(d.getDate(), p, 2); - } +var transition_selectAll = function(select$$1) { + var name = this._name, + id = this._id; - function formatHour24(d, p) { - return pad(d.getHours(), p, 2); - } + if (typeof select$$1 !== "function") select$$1 = selectorAll(select$$1); - function formatHour12(d, p) { - return pad(d.getHours() % 12 || 12, p, 2); + for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + for (var children = select$$1.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { + if (child = children[k]) { + schedule(child, name, id, k, children, inherit); + } + } + subgroups.push(children); + parents.push(node); + } + } } - function formatDayOfYear(d, p) { - return pad(1 + day.count(year(d), d), p, 3); - } + return new Transition(subgroups, parents, name, id); +} - function formatMilliseconds(d, p) { - return pad(d.getMilliseconds(), p, 3); - } +var Selection$1 = selection.prototype.constructor; - function formatMonthNumber(d, p) { - return pad(d.getMonth() + 1, p, 2); - } +var transition_selection = function() { + return new Selection$1(this._groups, this._parents); +} - function formatMinutes(d, p) { - return pad(d.getMinutes(), p, 2); - } +function styleRemove$1(name, interpolate$$1) { + var value00, + value10, + interpolate0; + return function() { + var style = window(this).getComputedStyle(this, null), + value0 = style.getPropertyValue(name), + value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + }; +} - function formatSeconds(d, p) { - return pad(d.getSeconds(), p, 2); - } +function styleRemoveEnd(name) { + return function() { + this.style.removeProperty(name); + }; +} + +function styleConstant$1(name, interpolate$$1, value1) { + var value00, + interpolate0; + return function() { + var value0 = window(this).getComputedStyle(this, null).getPropertyValue(name); + return value0 === value1 ? null + : value0 === value00 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value1); + }; +} + +function styleFunction$1(name, interpolate$$1, value) { + var value00, + value10, + interpolate0; + return function() { + var style = window(this).getComputedStyle(this, null), + value0 = style.getPropertyValue(name), + value1 = value(this); + if (value1 == null) value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + }; +} + +var transition_style = function(name, value, priority) { + var i = (name += "") === "transform" ? interpolateTransformCss : interpolate$1; + return value == null ? this + .styleTween(name, styleRemove$1(name, i)) + .on("end.style." + name, styleRemoveEnd(name)) + : this.styleTween(name, typeof value === "function" + ? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) + : styleConstant$1(name, i, value), priority); +} + +function styleTween(name, value, priority) { + function tween() { + var node = this, i = value.apply(node, arguments); + return i && function(t) { + node.style.setProperty(name, i(t), priority); + }; + } + tween._value = value; + return tween; +} + +var transition_styleTween = function(name, value, priority) { + var key = "style." + (name += ""); + if (arguments.length < 2) return (key = this.tween(key)) && key._value; + if (value == null) return this.tween(key, null); + if (typeof value !== "function") throw new Error; + return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); +} + +function textConstant$1(value) { + return function() { + this.textContent = value; + }; +} - function formatWeekNumberSunday(d, p) { - return pad(timeWeek.count(year(d), d), p, 2); - } +function textFunction$1(value) { + return function() { + var value1 = value(this); + this.textContent = value1 == null ? "" : value1; + }; +} - function formatWeekdayNumber(d) { - return d.getDay(); - } +var transition_text = function(value) { + return this.tween("text", typeof value === "function" + ? textFunction$1(tweenValue(this, "text", value)) + : textConstant$1(value == null ? "" : value + "")); +} - function formatWeekNumberMonday(d, p) { - return pad(timeMonday.count(year(d), d), p, 2); - } +var transition_transition = function() { + var name = this._name, + id0 = this._id, + id1 = newId(); - function formatYear(d, p) { - return pad(d.getFullYear() % 100, p, 2); + for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + var inherit = get$1(node, id0); + schedule(node, name, id1, i, group, { + time: inherit.time + inherit.delay + inherit.duration, + delay: 0, + duration: inherit.duration, + ease: inherit.ease + }); + } + } } - function formatFullYear(d, p) { - return pad(d.getFullYear() % 10000, p, 4); + return new Transition(groups, this._parents, name, id1); +} + +var id = 0; + +function Transition(groups, parents, name, id) { + this._groups = groups; + this._parents = parents; + this._name = name; + this._id = id; +} + +function transition(name) { + return selection().transition(name); +} + +function newId() { + return ++id; +} + +var selection_prototype = selection.prototype; + +Transition.prototype = transition.prototype = { + constructor: Transition, + select: transition_select, + selectAll: transition_selectAll, + filter: transition_filter, + merge: transition_merge, + selection: transition_selection, + transition: transition_transition, + call: selection_prototype.call, + nodes: selection_prototype.nodes, + node: selection_prototype.node, + size: selection_prototype.size, + empty: selection_prototype.empty, + each: selection_prototype.each, + on: transition_on, + attr: transition_attr, + attrTween: transition_attrTween, + style: transition_style, + styleTween: transition_styleTween, + text: transition_text, + remove: transition_remove, + tween: transition_tween, + delay: transition_delay, + duration: transition_duration, + ease: transition_ease +}; + +var defaultTiming = { + time: null, // Set on use. + delay: 0, + duration: 250, + ease: cubicInOut +}; + +function inherit(node, id) { + var timing; + while (!(timing = node.__transition) || !(timing = timing[id])) { + if (!(node = node.parentNode)) { + return defaultTiming.time = now(), defaultTiming; + } + } + return timing; +} + +var selection_transition = function(name) { + var id, + timing; + + if (name instanceof Transition) { + id = name._id, name = name._name; + } else { + id = newId(), (timing = defaultTiming).time = now(), name = name == null ? null : name + ""; + } + + for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + schedule(node, name, id, i, group, timing || inherit(node, id)); + } + } } - function formatZone(d) { - var z = d.getTimezoneOffset(); - return (z > 0 ? "-" : (z *= -1, "+")) - + pad(z / 60 | 0, "0", 2) - + pad(z % 60, "0", 2); - } + return new Transition(groups, this._parents, name, id); +} - function formatUTCDayOfMonth(d, p) { - return pad(d.getUTCDate(), p, 2); - } +selection.prototype.interrupt = selection_interrupt; +selection.prototype.transition = selection_transition; - function formatUTCHour24(d, p) { - return pad(d.getUTCHours(), p, 2); - } +var root$1 = [null]; - function formatUTCHour12(d, p) { - return pad(d.getUTCHours() % 12 || 12, p, 2); - } +var active = function(node, name) { + var schedules = node.__transition, + schedule, + i; - function formatUTCDayOfYear(d, p) { - return pad(1 + utcDay.count(utcYear(d), d), p, 3); + if (schedules) { + name = name == null ? null : name + ""; + for (i in schedules) { + if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { + return new Transition([[node]], root$1, name, +i); + } + } } - function formatUTCMilliseconds(d, p) { - return pad(d.getUTCMilliseconds(), p, 3); - } + return null; +} - function formatUTCMonthNumber(d, p) { - return pad(d.getUTCMonth() + 1, p, 2); - } +var slice$4 = Array.prototype.slice; - function formatUTCMinutes(d, p) { - return pad(d.getUTCMinutes(), p, 2); - } +var identity$5 = function(x) { + return x; +} - function formatUTCSeconds(d, p) { - return pad(d.getUTCSeconds(), p, 2); - } +var top = 1; +var right = 2; +var bottom = 3; +var left = 4; +var epsilon$2 = 1e-6; - function formatUTCWeekNumberSunday(d, p) { - return pad(utcWeek.count(utcYear(d), d), p, 2); - } +function translateX(scale0, scale1, d) { + var x = scale0(d); + return "translate(" + (isFinite(x) ? x : scale1(d)) + ",0)"; +} - function formatUTCWeekdayNumber(d) { - return d.getUTCDay(); - } +function translateY(scale0, scale1, d) { + var y = scale0(d); + return "translate(0," + (isFinite(y) ? y : scale1(d)) + ")"; +} - function formatUTCWeekNumberMonday(d, p) { - return pad(utcMonday.count(utcYear(d), d), p, 2); - } +function center(scale) { + var offset = scale.bandwidth() / 2; + if (scale.round()) offset = Math.round(offset); + return function(d) { + return scale(d) + offset; + }; +} + +function entering() { + return !this.__axis; +} + +function axis(orient, scale) { + var tickArguments = [], + tickValues = null, + tickFormat = null, + tickSizeInner = 6, + tickSizeOuter = 6, + tickPadding = 3; + + function axis(context) { + var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues, + format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$5) : tickFormat, + spacing = Math.max(tickSizeInner, 0) + tickPadding, + transform = orient === top || orient === bottom ? translateX : translateY, + range = scale.range(), + range0 = range[0] + 0.5, + range1 = range[range.length - 1] + 0.5, + position = (scale.bandwidth ? center : identity$5)(scale.copy()), + selection = context.selection ? context.selection() : context, + path = selection.selectAll(".domain").data([null]), + tick = selection.selectAll(".tick").data(values, scale).order(), + tickExit = tick.exit(), + tickEnter = tick.enter().append("g").attr("class", "tick"), + line = tick.select("line"), + text = tick.select("text"), + k = orient === top || orient === left ? -1 : 1, + x, y = orient === left || orient === right ? (x = "x", "y") : (x = "y", "x"); + + path = path.merge(path.enter().insert("path", ".tick") + .attr("class", "domain") + .attr("stroke", "#000")); + + tick = tick.merge(tickEnter); + + line = line.merge(tickEnter.append("line") + .attr("stroke", "#000") + .attr(x + "2", k * tickSizeInner) + .attr(y + "1", 0.5) + .attr(y + "2", 0.5)); + + text = text.merge(tickEnter.append("text") + .attr("fill", "#000") + .attr(x, k * spacing) + .attr(y, 0.5) + .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); + + if (context !== selection) { + path = path.transition(context); + tick = tick.transition(context); + line = line.transition(context); + text = text.transition(context); + + tickExit = tickExit.transition(context) + .attr("opacity", epsilon$2) + .attr("transform", function(d) { return transform(position, this.parentNode.__axis || position, d); }); + + tickEnter + .attr("opacity", epsilon$2) + .attr("transform", function(d) { return transform(this.parentNode.__axis || position, position, d); }); + } + + tickExit.remove(); + + path + .attr("d", orient === left || orient == right + ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter + : "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter); + + tick + .attr("opacity", 1) + .attr("transform", function(d) { return transform(position, position, d); }); + + line + .attr(x + "2", k * tickSizeInner); + + text + .attr(x, k * spacing) + .text(format); + + selection.filter(entering) + .attr("fill", "none") + .attr("font-size", 10) + .attr("font-family", "sans-serif") + .attr("text-anchor", orient === right ? "start" : orient === left ? "end" : "middle"); + + selection + .each(function() { this.__axis = position; }); + } + + axis.scale = function(_) { + return arguments.length ? (scale = _, axis) : scale; + }; - function formatUTCYear(d, p) { - return pad(d.getUTCFullYear() % 100, p, 2); - } + axis.ticks = function() { + return tickArguments = slice$4.call(arguments), axis; + }; - function formatUTCFullYear(d, p) { - return pad(d.getUTCFullYear() % 10000, p, 4); - } + axis.tickArguments = function(_) { + return arguments.length ? (tickArguments = _ == null ? [] : slice$4.call(_), axis) : tickArguments.slice(); + }; - function formatUTCZone() { - return "+0000"; - } + axis.tickValues = function(_) { + return arguments.length ? (tickValues = _ == null ? null : slice$4.call(_), axis) : tickValues && tickValues.slice(); + }; - function formatLiteralPercent() { - return "%"; - } + axis.tickFormat = function(_) { + return arguments.length ? (tickFormat = _, axis) : tickFormat; + }; - var locale$1; - defaultLocale$1({ - dateTime: "%x, %X", - date: "%-m/%-d/%Y", - time: "%-I:%M:%S %p", - periods: ["AM", "PM"], - days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], - shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], - months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], - shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"] - }); + axis.tickSize = function(_) { + return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner; + }; - function defaultLocale$1(definition) { - locale$1 = formatLocale$1(definition); - exports.timeFormat = locale$1.format; - exports.timeParse = locale$1.parse; - exports.utcFormat = locale$1.utcFormat; - exports.utcParse = locale$1.utcParse; - return locale$1; - } + axis.tickSizeInner = function(_) { + return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner; + }; - var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; + axis.tickSizeOuter = function(_) { + return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter; + }; - function formatIsoNative(date) { - return date.toISOString(); - } + axis.tickPadding = function(_) { + return arguments.length ? (tickPadding = +_, axis) : tickPadding; + }; - var formatIso = Date.prototype.toISOString - ? formatIsoNative - : exports.utcFormat(isoSpecifier); + return axis; +} + +function axisTop(scale) { + return axis(top, scale); +} + +function axisRight(scale) { + return axis(right, scale); +} + +function axisBottom(scale) { + return axis(bottom, scale); +} + +function axisLeft(scale) { + return axis(left, scale); +} + +function defaultSeparation(a, b) { + return a.parent === b.parent ? 1 : 2; +} + +function meanX(children) { + return children.reduce(meanXReduce, 0) / children.length; +} + +function meanXReduce(x, c) { + return x + c.x; +} + +function maxY(children) { + return 1 + children.reduce(maxYReduce, 0); +} + +function maxYReduce(y, c) { + return Math.max(y, c.y); +} + +function leafLeft(node) { + var children; + while (children = node.children) node = children[0]; + return node; +} + +function leafRight(node) { + var children; + while (children = node.children) node = children[children.length - 1]; + return node; +} + +var cluster = function() { + var separation = defaultSeparation, + dx = 1, + dy = 1, + nodeSize = false; + + function cluster(root) { + var previousNode, + x = 0; + + // First walk, computing the initial x & y values. + root.eachAfter(function(node) { + var children = node.children; + if (children) { + node.x = meanX(children); + node.y = maxY(children); + } else { + node.x = previousNode ? x += separation(node, previousNode) : 0; + node.y = 0; + previousNode = node; + } + }); - function parseIsoNative(string) { - var date = new Date(string); - return isNaN(date) ? null : date; + var left = leafLeft(root), + right = leafRight(root), + x0 = left.x - separation(left, right) / 2, + x1 = right.x + separation(right, left) / 2; + + // Second walk, normalizing x & y to the desired size. + return root.eachAfter(nodeSize ? function(node) { + node.x = (node.x - root.x) * dx; + node.y = (root.y - node.y) * dy; + } : function(node) { + node.x = (node.x - x0) / (x1 - x0) * dx; + node.y = (1 - (root.y ? node.y / root.y : 1)) * dy; + }); } - var parseIso = +new Date("2000-01-01T00:00:00.000Z") - ? parseIsoNative - : exports.utcParse(isoSpecifier); - - var array$2 = Array.prototype; - - var map$2 = array$2.map; - var slice$3 = array$2.slice; + cluster.separation = function(x) { + return arguments.length ? (separation = x, cluster) : separation; + }; - var implicit = {name: "implicit"}; + cluster.size = function(x) { + return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? null : [dx, dy]); + }; - function ordinal(range) { - var index = map$1(), - domain = [], - unknown = implicit; + cluster.nodeSize = function(x) { + return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? [dx, dy] : null); + }; - range = range == null ? [] : slice$3.call(range); + return cluster; +} - function scale(d) { - var key = d + "", i = index.get(key); - if (!i) { - if (unknown !== implicit) return unknown; - index.set(key, i = domain.push(d)); - } - return range[(i - 1) % range.length]; +var node_each = function(callback) { + var node = this, current, next = [node], children, i, n; + do { + current = next.reverse(), next = []; + while (node = current.pop()) { + callback(node), children = node.children; + if (children) for (i = 0, n = children.length; i < n; ++i) { + next.push(children[i]); + } } + } while (next.length); + return this; +} - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = [], index = map$1(); - var i = -1, n = _.length, d, key; - while (++i < n) if (!index.has(key = (d = _[i]) + "")) index.set(key, domain.push(d)); - return scale; - }; +var node_eachBefore = function(callback) { + var node = this, nodes = [node], children, i; + while (node = nodes.pop()) { + callback(node), children = node.children; + if (children) for (i = children.length - 1; i >= 0; --i) { + nodes.push(children[i]); + } + } + return this; +} - scale.range = function(_) { - return arguments.length ? (range = slice$3.call(_), scale) : range.slice(); - }; +var node_eachAfter = function(callback) { + var node = this, nodes = [node], next = [], children, i, n; + while (node = nodes.pop()) { + next.push(node), children = node.children; + if (children) for (i = 0, n = children.length; i < n; ++i) { + nodes.push(children[i]); + } + } + while (node = next.pop()) { + callback(node); + } + return this; +} - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; +var node_sum = function(value) { + return this.eachAfter(function(node) { + var sum = +value(node.data) || 0, + children = node.children, + i = children && children.length; + while (--i >= 0) sum += children[i].value; + node.value = sum; + }); +} - scale.copy = function() { - return ordinal() - .domain(domain) - .range(range) - .unknown(unknown); - }; +var node_sort = function(compare) { + return this.eachBefore(function(node) { + if (node.children) { + node.children.sort(compare); + } + }); +} + +var node_path = function(end) { + var start = this, + ancestor = leastCommonAncestor(start, end), + nodes = [start]; + while (start !== ancestor) { + start = start.parent; + nodes.push(start); + } + var k = nodes.length; + while (end !== ancestor) { + nodes.splice(k, 0, end); + end = end.parent; + } + return nodes; +} + +function leastCommonAncestor(a, b) { + if (a === b) return a; + var aNodes = a.ancestors(), + bNodes = b.ancestors(), + c = null; + a = aNodes.pop(); + b = bNodes.pop(); + while (a === b) { + c = a; + a = aNodes.pop(); + b = bNodes.pop(); + } + return c; +} - return scale; +var node_ancestors = function() { + var node = this, nodes = [node]; + while (node = node.parent) { + nodes.push(node); } + return nodes; +} - function band() { - var scale = ordinal().unknown(undefined), - domain = scale.domain, - ordinalRange = scale.range, - range$$ = [0, 1], - step, - bandwidth, - round = false, - paddingInner = 0, - paddingOuter = 0, - align = 0.5; - - delete scale.unknown; - - function rescale() { - var n = domain().length, - reverse = range$$[1] < range$$[0], - start = range$$[reverse - 0], - stop = range$$[1 - reverse]; - step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); - if (round) step = Math.floor(step); - start += (stop - start - step * (n - paddingInner)) * align; - bandwidth = step * (1 - paddingInner); - if (round) start = Math.round(start), bandwidth = Math.round(bandwidth); - var values = range(n).map(function(i) { return start + step * i; }); - return ordinalRange(reverse ? values.reverse() : values); - } - - scale.domain = function(_) { - return arguments.length ? (domain(_), rescale()) : domain(); - }; +var node_descendants = function() { + var nodes = []; + this.each(function(node) { + nodes.push(node); + }); + return nodes; +} - scale.range = function(_) { - return arguments.length ? (range$$ = [+_[0], +_[1]], rescale()) : range$$.slice(); - }; +var node_leaves = function() { + var leaves = []; + this.eachBefore(function(node) { + if (!node.children) { + leaves.push(node); + } + }); + return leaves; +} - scale.rangeRound = function(_) { - return range$$ = [+_[0], +_[1]], round = true, rescale(); - }; +var node_links = function() { + var root = this, links = []; + root.each(function(node) { + if (node !== root) { // Don’t include the root’s parent, if any. + links.push({source: node.parent, target: node}); + } + }); + return links; +} + +function hierarchy(data, children) { + var root = new Node(data), + valued = +data.value && (root.value = data.value), + node, + nodes = [root], + child, + childs, + i, + n; + + if (children == null) children = defaultChildren; + + while (node = nodes.pop()) { + if (valued) node.value = +node.data.value; + if ((childs = children(node.data)) && (n = childs.length)) { + node.children = new Array(n); + for (i = n - 1; i >= 0; --i) { + nodes.push(child = node.children[i] = new Node(childs[i])); + child.parent = node; + child.depth = node.depth + 1; + } + } + } + + return root.eachBefore(computeHeight); +} + +function node_copy() { + return hierarchy(this).eachBefore(copyData); +} + +function defaultChildren(d) { + return d.children; +} + +function copyData(node) { + node.data = node.data.data; +} + +function computeHeight(node) { + var height = 0; + do node.height = height; + while ((node = node.parent) && (node.height < ++height)); +} + +function Node(data) { + this.data = data; + this.depth = + this.height = 0; + this.parent = null; +} + +Node.prototype = hierarchy.prototype = { + constructor: Node, + each: node_each, + eachAfter: node_eachAfter, + eachBefore: node_eachBefore, + sum: node_sum, + sort: node_sort, + path: node_path, + ancestors: node_ancestors, + descendants: node_descendants, + leaves: node_leaves, + links: node_links, + copy: node_copy +}; + +function Node$2(value) { + this._ = value; + this.next = null; +} + +var shuffle$1 = function(array) { + var i, + n = (array = array.slice()).length, + head = null, + node = head; + + while (n) { + var next = new Node$2(array[n - 1]); + if (node) node = node.next = next; + else node = head = next; + array[i] = array[--n]; + } + + return { + head: head, + tail: node + }; +} + +var enclose = function(circles) { + return encloseN(shuffle$1(circles), []); +} + +function encloses(a, b) { + var dx = b.x - a.x, + dy = b.y - a.y, + dr = a.r - b.r; + return dr * dr + 1e-6 > dx * dx + dy * dy; +} + +// Returns the smallest circle that contains circles L and intersects circles B. +function encloseN(L, B) { + var circle, + l0 = null, + l1 = L.head, + l2, + p1; + + switch (B.length) { + case 1: circle = enclose1(B[0]); break; + case 2: circle = enclose2(B[0], B[1]); break; + case 3: circle = enclose3(B[0], B[1], B[2]); break; + } + + while (l1) { + p1 = l1._, l2 = l1.next; + if (!circle || !encloses(circle, p1)) { + + // Temporarily truncate L before l1. + if (l0) L.tail = l0, l0.next = null; + else L.head = L.tail = null; + + B.push(p1); + circle = encloseN(L, B); // Note: reorders L! + B.pop(); + + // Move l1 to the front of L and reconnect the truncated list L. + if (L.head) l1.next = L.head, L.head = l1; + else l1.next = null, L.head = L.tail = l1; + l0 = L.tail, l0.next = l2; - scale.bandwidth = function() { - return bandwidth; - }; + } else { + l0 = l1; + } + l1 = l2; + } - scale.step = function() { - return step; - }; + L.tail = l0; + return circle; +} - scale.round = function(_) { - return arguments.length ? (round = !!_, rescale()) : round; - }; +function enclose1(a) { + return { + x: a.x, + y: a.y, + r: a.r + }; +} + +function enclose2(a, b) { + var x1 = a.x, y1 = a.y, r1 = a.r, + x2 = b.x, y2 = b.y, r2 = b.r, + x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1, + l = Math.sqrt(x21 * x21 + y21 * y21); + return { + x: (x1 + x2 + x21 / l * r21) / 2, + y: (y1 + y2 + y21 / l * r21) / 2, + r: (l + r1 + r2) / 2 + }; +} + +function enclose3(a, b, c) { + var x1 = a.x, y1 = a.y, r1 = a.r, + x2 = b.x, y2 = b.y, r2 = b.r, + x3 = c.x, y3 = c.y, r3 = c.r, + a2 = 2 * (x1 - x2), + b2 = 2 * (y1 - y2), + c2 = 2 * (r2 - r1), + d2 = x1 * x1 + y1 * y1 - r1 * r1 - x2 * x2 - y2 * y2 + r2 * r2, + a3 = 2 * (x1 - x3), + b3 = 2 * (y1 - y3), + c3 = 2 * (r3 - r1), + d3 = x1 * x1 + y1 * y1 - r1 * r1 - x3 * x3 - y3 * y3 + r3 * r3, + ab = a3 * b2 - a2 * b3, + xa = (b2 * d3 - b3 * d2) / ab - x1, + xb = (b3 * c2 - b2 * c3) / ab, + ya = (a3 * d2 - a2 * d3) / ab - y1, + yb = (a2 * c3 - a3 * c2) / ab, + A = xb * xb + yb * yb - 1, + B = 2 * (xa * xb + ya * yb + r1), + C = xa * xa + ya * ya - r1 * r1, + r = (-B - Math.sqrt(B * B - 4 * A * C)) / (2 * A); + return { + x: xa + xb * r + x1, + y: ya + yb * r + y1, + r: r + }; +} + +function place(a, b, c) { + var ax = a.x, + ay = a.y, + da = b.r + c.r, + db = a.r + c.r, + dx = b.x - ax, + dy = b.y - ay, + dc = dx * dx + dy * dy; + if (dc) { + var x = 0.5 + ((db *= db) - (da *= da)) / (2 * dc), + y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); + c.x = ax + x * dx + y * dy; + c.y = ay + x * dy - y * dx; + } else { + c.x = ax + db; + c.y = ay; + } +} + +function intersects(a, b) { + var dx = b.x - a.x, + dy = b.y - a.y, + dr = a.r + b.r; + return dr * dr > dx * dx + dy * dy; +} + +function distance2(circle, x, y) { + var dx = circle.x - x, + dy = circle.y - y; + return dx * dx + dy * dy; +} + +function Node$1(circle) { + this._ = circle; + this.next = null; + this.previous = null; +} + +function packEnclose(circles) { + if (!(n = circles.length)) return 0; + + var a, b, c, n; + + // Place the first circle. + a = circles[0], a.x = 0, a.y = 0; + if (!(n > 1)) return a.r; + + // Place the second circle. + b = circles[1], a.x = -b.r, b.x = a.r, b.y = 0; + if (!(n > 2)) return a.r + b.r; + + // Place the third circle. + place(b, a, c = circles[2]); + + // Initialize the weighted centroid. + var aa = a.r * a.r, + ba = b.r * b.r, + ca = c.r * c.r, + oa = aa + ba + ca, + ox = aa * a.x + ba * b.x + ca * c.x, + oy = aa * a.y + ba * b.y + ca * c.y, + cx, cy, i, j, k, sj, sk; + + // Initialize the front-chain using the first three circles a, b and c. + a = new Node$1(a), b = new Node$1(b), c = new Node$1(c); + a.next = c.previous = b; + b.next = a.previous = c; + c.next = b.previous = a; + + // Attempt to place each remaining circle… + pack: for (i = 3; i < n; ++i) { + place(a._, b._, c = circles[i]), c = new Node$1(c); + + // If there are only three elements in the front-chain… + if ((k = a.previous) === (j = b.next)) { + // If the new circle intersects the third circle, + // rotate the front chain to try the next position. + if (intersects(j._, c._)) { + a = b, b = j, --i; + continue pack; + } + } + + // Find the closest intersecting circle on the front-chain, if any. + else { + sj = j._.r, sk = k._.r; + do { + if (sj <= sk) { + if (intersects(j._, c._)) { + b = j, a.next = b, b.previous = a, --i; + continue pack; + } + j = j.next, sj += j._.r; + } else { + if (intersects(k._, c._)) { + a = k, a.next = b, b.previous = a, --i; + continue pack; + } + k = k.previous, sk += k._.r; + } + } while (j !== k.next); + } - scale.padding = function(_) { - return arguments.length ? (paddingInner = paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; - }; + // Success! Insert the new circle c between a and b. + c.previous = a, c.next = b, a.next = b.previous = b = c; - scale.paddingInner = function(_) { - return arguments.length ? (paddingInner = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; - }; + // Update the weighted centroid. + oa += ca = c._.r * c._.r; + ox += ca * c._.x; + oy += ca * c._.y; - scale.paddingOuter = function(_) { - return arguments.length ? (paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingOuter; - }; + // Compute the new closest circle a to centroid. + aa = distance2(a._, cx = ox / oa, cy = oy / oa); + while ((c = c.next) !== b) { + if ((ca = distance2(c._, cx, cy)) < aa) { + a = c, aa = ca; + } + } + b = a.next; + } - scale.align = function(_) { - return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align; - }; + // Compute the enclosing circle of the front chain. + a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a); - scale.copy = function() { - return band() - .domain(domain()) - .range(range$$) - .round(round) - .paddingInner(paddingInner) - .paddingOuter(paddingOuter) - .align(align); - }; + // Translate the circles to put the enclosing circle around the origin. + for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y; - return rescale(); - } + return c.r; +} - function pointish(scale) { - var copy = scale.copy; +var siblings = function(circles) { + packEnclose(circles); + return circles; +} - scale.padding = scale.paddingOuter; - delete scale.paddingInner; - delete scale.paddingOuter; +function optional(f) { + return f == null ? null : required(f); +} - scale.copy = function() { - return pointish(copy()); - }; +function required(f) { + if (typeof f !== "function") throw new Error; + return f; +} - return scale; - } +function constantZero() { + return 0; +} - function point$4() { - return pointish(band().paddingInner(1)); +var constant$6 = function(x) { + return function() { + return x; + }; +} + +function defaultRadius(d) { + return Math.sqrt(d.value); +} + +var index = function() { + var radius = null, + dx = 1, + dy = 1, + padding = constantZero; + + function pack(root) { + root.x = dx / 2, root.y = dy / 2; + if (radius) { + root.eachBefore(radiusLeaf(radius)) + .eachAfter(packChildren(padding, 0.5)) + .eachBefore(translateChild(1)); + } else { + root.eachBefore(radiusLeaf(defaultRadius)) + .eachAfter(packChildren(constantZero, 1)) + .eachAfter(packChildren(padding, root.r / Math.min(dx, dy))) + .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r))); + } + return root; } - function constant$3(x) { - return function() { - return x; - }; - } + pack.radius = function(x) { + return arguments.length ? (radius = optional(x), pack) : radius; + }; - function number$1(x) { - return +x; - } + pack.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], pack) : [dx, dy]; + }; - var unit = [0, 1]; + pack.padding = function(x) { + return arguments.length ? (padding = typeof x === "function" ? x : constant$6(+x), pack) : padding; + }; - function deinterpolate(a, b) { - return (b -= (a = +a)) - ? function(x) { return (x - a) / b; } - : constant$3(b); - } + return pack; +} - function deinterpolateClamp(deinterpolate) { - return function(a, b) { - var d = deinterpolate(a = +a, b = +b); - return function(x) { return x <= a ? 0 : x >= b ? 1 : d(x); }; - }; - } +function radiusLeaf(radius) { + return function(node) { + if (!node.children) { + node.r = Math.max(0, +radius(node) || 0); + } + }; +} + +function packChildren(padding, k) { + return function(node) { + if (children = node.children) { + var children, + i, + n = children.length, + r = padding(node) * k || 0, + e; - function reinterpolateClamp(reinterpolate) { - return function(a, b) { - var r = reinterpolate(a = +a, b = +b); - return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; + if (r) for (i = 0; i < n; ++i) children[i].r += r; + e = packEnclose(children); + if (r) for (i = 0; i < n; ++i) children[i].r -= r; + node.r = e + r; + } + }; +} + +function translateChild(k) { + return function(node) { + var parent = node.parent; + node.r *= k; + if (parent) { + node.x = parent.x + k * node.x; + node.y = parent.y + k * node.y; + } + }; +} + +var roundNode = function(node) { + node.x0 = Math.round(node.x0); + node.y0 = Math.round(node.y0); + node.x1 = Math.round(node.x1); + node.y1 = Math.round(node.y1); +} + +var treemapDice = function(parent, x0, y0, x1, y1) { + var nodes = parent.children, + node, + i = -1, + n = nodes.length, + k = parent.value && (x1 - x0) / parent.value; + + while (++i < n) { + node = nodes[i], node.y0 = y0, node.y1 = y1; + node.x0 = x0, node.x1 = x0 += node.value * k; + } +} + +var partition = function() { + var dx = 1, + dy = 1, + padding = 0, + round = false; + + function partition(root) { + var n = root.height + 1; + root.x0 = + root.y0 = padding; + root.x1 = dx; + root.y1 = dy / n; + root.eachBefore(positionNode(dy, n)); + if (round) root.eachBefore(roundNode); + return root; + } + + function positionNode(dy, n) { + return function(node) { + if (node.children) { + treemapDice(node, node.x0, dy * (node.depth + 1) / n, node.x1, dy * (node.depth + 2) / n); + } + var x0 = node.x0, + y0 = node.y0, + x1 = node.x1 - padding, + y1 = node.y1 - padding; + if (x1 < x0) x0 = x1 = (x0 + x1) / 2; + if (y1 < y0) y0 = y1 = (y0 + y1) / 2; + node.x0 = x0; + node.y0 = y0; + node.x1 = x1; + node.y1 = y1; }; } - function bimap(domain, range, deinterpolate, reinterpolate) { - var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; - if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); - else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); - return function(x) { return r0(d0(x)); }; - } + partition.round = function(x) { + return arguments.length ? (round = !!x, partition) : round; + }; + + partition.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], partition) : [dx, dy]; + }; + + partition.padding = function(x) { + return arguments.length ? (padding = +x, partition) : padding; + }; + + return partition; +} + +var keyPrefix$1 = "$"; +var preroot = {depth: -1}; +var ambiguous = {}; + +function defaultId(d) { + return d.id; +} - function polymap(domain, range, deinterpolate, reinterpolate) { - var j = Math.min(domain.length, range.length) - 1, - d = new Array(j), - r = new Array(j), - i = -1; +function defaultParentId(d) { + return d.parentId; +} + +var stratify = function() { + var id = defaultId, + parentId = defaultParentId; + + function stratify(data) { + var d, + i, + n = data.length, + root, + parent, + node, + nodes = new Array(n), + nodeId, + nodeKey, + nodeByKey = {}; - // Reverse descending domains. - if (domain[j] < domain[0]) { - domain = domain.slice().reverse(); - range = range.slice().reverse(); + for (i = 0; i < n; ++i) { + d = data[i], node = nodes[i] = new Node(d); + if ((nodeId = id(d, i, data)) != null && (nodeId += "")) { + nodeKey = keyPrefix$1 + (node.id = nodeId); + nodeByKey[nodeKey] = nodeKey in nodeByKey ? ambiguous : node; + } } - while (++i < j) { - d[i] = deinterpolate(domain[i], domain[i + 1]); - r[i] = reinterpolate(range[i], range[i + 1]); + for (i = 0; i < n; ++i) { + node = nodes[i], nodeId = parentId(data[i], i, data); + if (nodeId == null || !(nodeId += "")) { + if (root) throw new Error("multiple roots"); + root = node; + } else { + parent = nodeByKey[keyPrefix$1 + nodeId]; + if (!parent) throw new Error("missing: " + nodeId); + if (parent === ambiguous) throw new Error("ambiguous: " + nodeId); + if (parent.children) parent.children.push(node); + else parent.children = [node]; + node.parent = parent; + } } - return function(x) { - var i = bisectRight(domain, x, 1, j) - 1; - return r[i](d[i](x)); - }; - } + if (!root) throw new Error("no root"); + root.parent = preroot; + root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight); + root.parent = null; + if (n > 0) throw new Error("cycle"); - function copy(source, target) { - return target - .domain(source.domain()) - .range(source.range()) - .interpolate(source.interpolate()) - .clamp(source.clamp()); + return root; } - // deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. - // reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. - function continuous(deinterpolate$$, reinterpolate) { - var domain = unit, - range = unit, - interpolate$$ = interpolate, - clamp = false, - piecewise, - output, - input; + stratify.id = function(x) { + return arguments.length ? (id = required(x), stratify) : id; + }; - function rescale() { - piecewise = Math.min(domain.length, range.length) > 2 ? polymap : bimap; - output = input = null; - return scale; - } + stratify.parentId = function(x) { + return arguments.length ? (parentId = required(x), stratify) : parentId; + }; - function scale(x) { - return (output || (output = piecewise(domain, range, clamp ? deinterpolateClamp(deinterpolate$$) : deinterpolate$$, interpolate$$)))(+x); + return stratify; +} + +function defaultSeparation$1(a, b) { + return a.parent === b.parent ? 1 : 2; +} + +// function radialSeparation(a, b) { +// return (a.parent === b.parent ? 1 : 2) / a.depth; +// } + +// This function is used to traverse the left contour of a subtree (or +// subforest). It returns the successor of v on this contour. This successor is +// either given by the leftmost child of v or by the thread of v. The function +// returns null if and only if v is on the highest level of its subtree. +function nextLeft(v) { + var children = v.children; + return children ? children[0] : v.t; +} + +// This function works analogously to nextLeft. +function nextRight(v) { + var children = v.children; + return children ? children[children.length - 1] : v.t; +} + +// Shifts the current subtree rooted at w+. This is done by increasing +// prelim(w+) and mod(w+) by shift. +function moveSubtree(wm, wp, shift) { + var change = shift / (wp.i - wm.i); + wp.c -= change; + wp.s += shift; + wm.c += change; + wp.z += shift; + wp.m += shift; +} + +// All other shifts, applied to the smaller subtrees between w- and w+, are +// performed by this function. To prepare the shifts, we have to adjust +// change(w+), shift(w+), and change(w-). +function executeShifts(v) { + var shift = 0, + change = 0, + children = v.children, + i = children.length, + w; + while (--i >= 0) { + w = children[i]; + w.z += shift; + w.m += shift; + shift += w.s + (change += w.c); + } +} + +// If vi-’s ancestor is a sibling of v, returns vi-’s ancestor. Otherwise, +// returns the specified (default) ancestor. +function nextAncestor(vim, v, ancestor) { + return vim.a.parent === v.parent ? vim.a : ancestor; +} + +function TreeNode(node, i) { + this._ = node; + this.parent = null; + this.children = null; + this.A = null; // default ancestor + this.a = this; // ancestor + this.z = 0; // prelim + this.m = 0; // mod + this.c = 0; // change + this.s = 0; // shift + this.t = null; // thread + this.i = i; // number +} + +TreeNode.prototype = Object.create(Node.prototype); + +function treeRoot(root) { + var tree = new TreeNode(root, 0), + node, + nodes = [tree], + child, + children, + i, + n; + + while (node = nodes.pop()) { + if (children = node._.children) { + node.children = new Array(n = children.length); + for (i = n - 1; i >= 0; --i) { + nodes.push(child = node.children[i] = new TreeNode(children[i], i)); + child.parent = node; + } + } + } + + (tree.parent = new TreeNode(null, 0)).children = [tree]; + return tree; +} + +// Node-link tree diagram using the Reingold-Tilford "tidy" algorithm +var tree = function() { + var separation = defaultSeparation$1, + dx = 1, + dy = 1, + nodeSize = null; + + function tree(root) { + var t = treeRoot(root); + + // Compute the layout using Buchheim et al.’s algorithm. + t.eachAfter(firstWalk), t.parent.m = -t.z; + t.eachBefore(secondWalk); + + // If a fixed node size is specified, scale x and y. + if (nodeSize) root.eachBefore(sizeNode); + + // If a fixed tree size is specified, scale x and y based on the extent. + // Compute the left-most, right-most, and depth-most nodes for extents. + else { + var left = root, + right = root, + bottom = root; + root.eachBefore(function(node) { + if (node.x < left.x) left = node; + if (node.x > right.x) right = node; + if (node.depth > bottom.depth) bottom = node; + }); + var s = left === right ? 1 : separation(left, right) / 2, + tx = s - left.x, + kx = dx / (right.x + s + tx), + ky = dy / (bottom.depth || 1); + root.eachBefore(function(node) { + node.x = (node.x + tx) * kx; + node.y = node.depth * ky; + }); } - scale.invert = function(y) { - return (input || (input = piecewise(range, domain, deinterpolate, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); - }; + return root; + } - scale.domain = function(_) { - return arguments.length ? (domain = map$2.call(_, number$1), rescale()) : domain.slice(); - }; + // Computes a preliminary x-coordinate for v. Before that, FIRST WALK is + // applied recursively to the children of v, as well as the function + // APPORTION. After spacing out the children by calling EXECUTE SHIFTS, the + // node v is placed to the midpoint of its outermost children. + function firstWalk(v) { + var children = v.children, + siblings = v.parent.children, + w = v.i ? siblings[v.i - 1] : null; + if (children) { + executeShifts(v); + var midpoint = (children[0].z + children[children.length - 1].z) / 2; + if (w) { + v.z = w.z + separation(v._, w._); + v.m = v.z - midpoint; + } else { + v.z = midpoint; + } + } else if (w) { + v.z = w.z + separation(v._, w._); + } + v.parent.A = apportion(v, w, v.parent.A || siblings[0]); + } + + // Computes all real x-coordinates by summing up the modifiers recursively. + function secondWalk(v) { + v._.x = v.z + v.parent.m; + v.m += v.parent.m; + } + + // The core of the algorithm. Here, a new subtree is combined with the + // previous subtrees. Threads are used to traverse the inside and outside + // contours of the left and right subtree up to the highest common level. The + // vertices used for the traversals are vi+, vi-, vo-, and vo+, where the + // superscript o means outside and i means inside, the subscript - means left + // subtree and + means right subtree. For summing up the modifiers along the + // contour, we use respective variables si+, si-, so-, and so+. Whenever two + // nodes of the inside contours conflict, we compute the left one of the + // greatest uncommon ancestors using the function ANCESTOR and call MOVE + // SUBTREE to shift the subtree and prepare the shifts of smaller subtrees. + // Finally, we add a new thread (if necessary). + function apportion(v, w, ancestor) { + if (w) { + var vip = v, + vop = v, + vim = w, + vom = vip.parent.children[0], + sip = vip.m, + sop = vop.m, + sim = vim.m, + som = vom.m, + shift; + while (vim = nextRight(vim), vip = nextLeft(vip), vim && vip) { + vom = nextLeft(vom); + vop = nextRight(vop); + vop.a = v; + shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); + if (shift > 0) { + moveSubtree(nextAncestor(vim, v, ancestor), v, shift); + sip += shift; + sop += shift; + } + sim += vim.m; + sip += vip.m; + som += vom.m; + sop += vop.m; + } + if (vim && !nextRight(vop)) { + vop.t = vim; + vop.m += sim - sop; + } + if (vip && !nextLeft(vom)) { + vom.t = vip; + vom.m += sip - som; + ancestor = v; + } + } + return ancestor; + } + + function sizeNode(node) { + node.x *= dx; + node.y = node.depth * dy; + } + + tree.separation = function(x) { + return arguments.length ? (separation = x, tree) : separation; + }; - scale.range = function(_) { - return arguments.length ? (range = slice$3.call(_), rescale()) : range.slice(); - }; + tree.size = function(x) { + return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], tree) : (nodeSize ? null : [dx, dy]); + }; - scale.rangeRound = function(_) { - return range = slice$3.call(_), interpolate$$ = interpolateRound, rescale(); - }; + tree.nodeSize = function(x) { + return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], tree) : (nodeSize ? [dx, dy] : null); + }; - scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, rescale()) : clamp; - }; + return tree; +} + +var treemapSlice = function(parent, x0, y0, x1, y1) { + var nodes = parent.children, + node, + i = -1, + n = nodes.length, + k = parent.value && (y1 - y0) / parent.value; + + while (++i < n) { + node = nodes[i], node.x0 = x0, node.x1 = x1; + node.y0 = y0, node.y1 = y0 += node.value * k; + } +} + +var phi = (1 + Math.sqrt(5)) / 2; + +function squarifyRatio(ratio, parent, x0, y0, x1, y1) { + var rows = [], + nodes = parent.children, + row, + nodeValue, + i0 = 0, + i1, + n = nodes.length, + dx, dy, + value = parent.value, + sumValue, + minValue, + maxValue, + newRatio, + minRatio, + alpha, + beta; + + while (i0 < n) { + dx = x1 - x0, dy = y1 - y0; + minValue = maxValue = sumValue = nodes[i0].value; + alpha = Math.max(dy / dx, dx / dy) / (value * ratio); + beta = sumValue * sumValue * alpha; + minRatio = Math.max(maxValue / beta, beta / minValue); + + // Keep adding nodes while the aspect ratio maintains or improves. + for (i1 = i0 + 1; i1 < n; ++i1) { + sumValue += nodeValue = nodes[i1].value; + if (nodeValue < minValue) minValue = nodeValue; + if (nodeValue > maxValue) maxValue = nodeValue; + beta = sumValue * sumValue * alpha; + newRatio = Math.max(maxValue / beta, beta / minValue); + if (newRatio > minRatio) { sumValue -= nodeValue; break; } + minRatio = newRatio; + } - scale.interpolate = function(_) { - return arguments.length ? (interpolate$$ = _, rescale()) : interpolate$$; - }; + // Position and record the row orientation. + rows.push(row = {value: sumValue, dice: dx < dy, children: nodes.slice(i0, i1)}); + if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += dy * sumValue / value : y1); + else treemapSlice(row, x0, y0, value ? x0 += dx * sumValue / value : x1, y1); + value -= sumValue, i0 = i1; + } - return rescale(); + return rows; +} + +var squarify = (function custom(ratio) { + + function squarify(parent, x0, y0, x1, y1) { + squarifyRatio(ratio, parent, x0, y0, x1, y1); } - function tickFormat(domain, count, specifier) { - var start = domain[0], - stop = domain[domain.length - 1], - step = tickStep(start, stop, count == null ? 10 : count), - precision; - specifier = formatSpecifier(specifier == null ? ",f" : specifier); - switch (specifier.type) { - case "s": { - var value = Math.max(Math.abs(start), Math.abs(stop)); - if (specifier.precision == null && !isNaN(precision = precisionPrefix(step, value))) specifier.precision = precision; - return exports.formatPrefix(specifier, value); - } - case "": - case "e": - case "g": - case "p": - case "r": { - if (specifier.precision == null && !isNaN(precision = precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === "e"); - break; - } - case "f": - case "%": { - if (specifier.precision == null && !isNaN(precision = precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2; - break; - } + squarify.ratio = function(x) { + return custom((x = +x) > 1 ? x : 1); + }; + + return squarify; +})(phi); + +var index$1 = function() { + var tile = squarify, + round = false, + dx = 1, + dy = 1, + paddingStack = [0], + paddingInner = constantZero, + paddingTop = constantZero, + paddingRight = constantZero, + paddingBottom = constantZero, + paddingLeft = constantZero; + + function treemap(root) { + root.x0 = + root.y0 = 0; + root.x1 = dx; + root.y1 = dy; + root.eachBefore(positionNode); + paddingStack = [0]; + if (round) root.eachBefore(roundNode); + return root; + } + + function positionNode(node) { + var p = paddingStack[node.depth], + x0 = node.x0 + p, + y0 = node.y0 + p, + x1 = node.x1 - p, + y1 = node.y1 - p; + if (x1 < x0) x0 = x1 = (x0 + x1) / 2; + if (y1 < y0) y0 = y1 = (y0 + y1) / 2; + node.x0 = x0; + node.y0 = y0; + node.x1 = x1; + node.y1 = y1; + if (node.children) { + p = paddingStack[node.depth + 1] = paddingInner(node) / 2; + x0 += paddingLeft(node) - p; + y0 += paddingTop(node) - p; + x1 -= paddingRight(node) - p; + y1 -= paddingBottom(node) - p; + if (x1 < x0) x0 = x1 = (x0 + x1) / 2; + if (y1 < y0) y0 = y1 = (y0 + y1) / 2; + tile(node, x0, y0, x1, y1); } - return exports.format(specifier); } - function linearish(scale) { - var domain = scale.domain; + treemap.round = function(x) { + return arguments.length ? (round = !!x, treemap) : round; + }; - scale.ticks = function(count) { - var d = domain(); - return ticks(d[0], d[d.length - 1], count == null ? 10 : count); - }; + treemap.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], treemap) : [dx, dy]; + }; - scale.tickFormat = function(count, specifier) { - return tickFormat(domain(), count, specifier); - }; + treemap.tile = function(x) { + return arguments.length ? (tile = required(x), treemap) : tile; + }; - scale.nice = function(count) { - var d = domain(), - i = d.length - 1, - n = count == null ? 10 : count, - start = d[0], - stop = d[i], - step = tickStep(start, stop, n); + treemap.padding = function(x) { + return arguments.length ? treemap.paddingInner(x).paddingOuter(x) : treemap.paddingInner(); + }; - if (step) { - step = tickStep(Math.floor(start / step) * step, Math.ceil(stop / step) * step, n); - d[0] = Math.floor(start / step) * step; - d[i] = Math.ceil(stop / step) * step; - domain(d); - } + treemap.paddingInner = function(x) { + return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$6(+x), treemap) : paddingInner; + }; - return scale; - }; + treemap.paddingOuter = function(x) { + return arguments.length ? treemap.paddingTop(x).paddingRight(x).paddingBottom(x).paddingLeft(x) : treemap.paddingTop(); + }; - return scale; - } + treemap.paddingTop = function(x) { + return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$6(+x), treemap) : paddingTop; + }; - function linear$2() { - var scale = continuous(deinterpolate, interpolateNumber); + treemap.paddingRight = function(x) { + return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$6(+x), treemap) : paddingRight; + }; - scale.copy = function() { - return copy(scale, linear$2()); - }; + treemap.paddingBottom = function(x) { + return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$6(+x), treemap) : paddingBottom; + }; - return linearish(scale); + treemap.paddingLeft = function(x) { + return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$6(+x), treemap) : paddingLeft; + }; + + return treemap; +} + +var binary = function(parent, x0, y0, x1, y1) { + var nodes = parent.children, + i, n = nodes.length, + sum, sums = new Array(n + 1); + + for (sums[0] = sum = i = 0; i < n; ++i) { + sums[i + 1] = sum += nodes[i].value; } - function identity$4() { - var domain = [0, 1]; + partition(0, n, parent.value, x0, y0, x1, y1); - function scale(x) { - return +x; + function partition(i, j, value, x0, y0, x1, y1) { + if (i >= j - 1) { + var node = nodes[i]; + node.x0 = x0, node.y0 = y0; + node.x1 = x1, node.y1 = y1; + return; } - scale.invert = scale; + var valueOffset = sums[i], + valueTarget = (value / 2) + valueOffset, + k = i + 1, + hi = j - 1; - scale.domain = scale.range = function(_) { - return arguments.length ? (domain = map$2.call(_, number$1), scale) : domain.slice(); - }; + while (k < hi) { + var mid = k + hi >>> 1; + if (sums[mid] < valueTarget) k = mid + 1; + else hi = mid; + } - scale.copy = function() { - return identity$4().domain(domain); - }; + var valueLeft = sums[k] - valueOffset, + valueRight = value - valueLeft; - return linearish(scale); + if ((y1 - y0) > (x1 - x0)) { + var yk = (y0 * valueRight + y1 * valueLeft) / value; + partition(i, k, valueLeft, x0, y0, x1, yk); + partition(k, j, valueRight, x0, yk, x1, y1); + } else { + var xk = (x0 * valueRight + x1 * valueLeft) / value; + partition(i, k, valueLeft, x0, y0, xk, y1); + partition(k, j, valueRight, xk, y0, x1, y1); + } } +} - function nice(domain, interval) { - domain = domain.slice(); +var sliceDice = function(parent, x0, y0, x1, y1) { + (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); +} - var i0 = 0, - i1 = domain.length - 1, - x0 = domain[i0], - x1 = domain[i1], - t; +var resquarify = (function custom(ratio) { - if (x1 < x0) { - t = i0, i0 = i1, i1 = t; - t = x0, x0 = x1, x1 = t; + function resquarify(parent, x0, y0, x1, y1) { + if ((rows = parent._squarify) && (rows.ratio === ratio)) { + var rows, + row, + nodes, + i, + j = -1, + n, + m = rows.length, + value = parent.value; + + while (++j < m) { + row = rows[j], nodes = row.children; + for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value; + if (row.dice) treemapDice(row, x0, y0, x1, y0 += (y1 - y0) * row.value / value); + else treemapSlice(row, x0, y0, x0 += (x1 - x0) * row.value / value, y1); + value -= row.value; + } + } else { + parent._squarify = rows = squarifyRatio(ratio, parent, x0, y0, x1, y1); + rows.ratio = ratio; } - - domain[i0] = interval.floor(x0); - domain[i1] = interval.ceil(x1); - return domain; - } - - function deinterpolate$1(a, b) { - return (b = Math.log(b / a)) - ? function(x) { return Math.log(x / a) / b; } - : constant$3(b); } - function reinterpolate(a, b) { - return a < 0 - ? function(t) { return -Math.pow(-b, t) * Math.pow(-a, 1 - t); } - : function(t) { return Math.pow(b, t) * Math.pow(a, 1 - t); }; - } + resquarify.ratio = function(x) { + return custom((x = +x) > 1 ? x : 1); + }; - function pow10(x) { - return isFinite(x) ? +("1e" + x) : x < 0 ? 0 : x; - } + return resquarify; +})(phi); - function powp(base) { - return base === 10 ? pow10 - : base === Math.E ? Math.exp - : function(x) { return Math.pow(base, x); }; - } +var center$1 = function(x, y) { + var nodes; - function logp(base) { - return base === Math.E ? Math.log - : base === 10 && Math.log10 - || base === 2 && Math.log2 - || (base = Math.log(base), function(x) { return Math.log(x) / base; }); - } + if (x == null) x = 0; + if (y == null) y = 0; - function reflect(f) { - return function(x) { - return -f(-x); - }; - } + function force() { + var i, + n = nodes.length, + node, + sx = 0, + sy = 0; - function log() { - var scale = continuous(deinterpolate$1, reinterpolate).domain([1, 10]), - domain = scale.domain, - base = 10, - logs = logp(10), - pows = powp(10); + for (i = 0; i < n; ++i) { + node = nodes[i], sx += node.x, sy += node.y; + } - function rescale() { - logs = logp(base), pows = powp(base); - if (domain()[0] < 0) logs = reflect(logs), pows = reflect(pows); - return scale; + for (sx = sx / n - x, sy = sy / n - y, i = 0; i < n; ++i) { + node = nodes[i], node.x -= sx, node.y -= sy; } + } - scale.base = function(_) { - return arguments.length ? (base = +_, rescale()) : base; - }; + force.initialize = function(_) { + nodes = _; + }; - scale.domain = function(_) { - return arguments.length ? (domain(_), rescale()) : domain(); - }; + force.x = function(_) { + return arguments.length ? (x = +_, force) : x; + }; - scale.ticks = function(count) { - var d = domain(), - u = d[0], - v = d[d.length - 1], - r; - - if (r = v < u) i = u, u = v, v = i; - - var i = logs(u), - j = logs(v), - p, - k, - t, - n = count == null ? 10 : +count, - z = []; - - if (!(base % 1) && j - i < n) { - i = Math.round(i) - 1, j = Math.round(j) + 1; - if (u > 0) for (; i < j; ++i) { - for (k = 1, p = pows(i); k < base; ++k) { - t = p * k; - if (t < u) continue; - if (t > v) break; - z.push(t); - } - } else for (; i < j; ++i) { - for (k = base - 1, p = pows(i); k >= 1; --k) { - t = p * k; - if (t < u) continue; - if (t > v) break; - z.push(t); - } - } - } else { - z = ticks(i, j, Math.min(j - i, n)).map(pows); - } + force.y = function(_) { + return arguments.length ? (y = +_, force) : y; + }; - return r ? z.reverse() : z; - }; + return force; +} - scale.tickFormat = function(count, specifier) { - if (specifier == null) specifier = base === 10 ? ".0e" : ","; - if (typeof specifier !== "function") specifier = exports.format(specifier); - if (count === Infinity) return specifier; - if (count == null) count = 10; - var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate? - return function(d) { - var i = d / pows(Math.round(logs(d))); - if (i * base < base - 0.5) i *= base; - return i <= k ? specifier(d) : ""; - }; - }; +var constant$7 = function(x) { + return function() { + return x; + }; +} - scale.nice = function() { - return domain(nice(domain(), { - floor: function(x) { return pows(Math.floor(logs(x))); }, - ceil: function(x) { return pows(Math.ceil(logs(x))); } - })); - }; +var jiggle = function() { + return (Math.random() - 0.5) * 1e-6; +} - scale.copy = function() { - return copy(scale, log().base(base)); - }; +function x$1(d) { + return d.x + d.vx; +} - return scale; - } +function y$1(d) { + return d.y + d.vy; +} - function raise(x, exponent) { - return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); - } +var collide = function(radius) { + var nodes, + radii, + strength = 1, + iterations = 1; - function pow() { - var exponent = 1, - scale = continuous(deinterpolate, reinterpolate), - domain = scale.domain; + if (typeof radius !== "function") radius = constant$7(radius == null ? 1 : +radius); - function deinterpolate(a, b) { - return (b = raise(b, exponent) - (a = raise(a, exponent))) - ? function(x) { return (raise(x, exponent) - a) / b; } - : constant$3(b); - } + function force() { + var i, n = nodes.length, + tree, + node, + xi, + yi, + ri, + ri2; - function reinterpolate(a, b) { - b = raise(b, exponent) - (a = raise(a, exponent)); - return function(t) { return raise(a + b * t, 1 / exponent); }; + for (var k = 0; k < iterations; ++k) { + tree = quadtree(nodes, x$1, y$1).visitAfter(prepare); + for (i = 0; i < n; ++i) { + node = nodes[i]; + ri = radii[i], ri2 = ri * ri; + xi = node.x + node.vx; + yi = node.y + node.vy; + tree.visit(apply); + } + } + + function apply(quad, x0, y0, x1, y1) { + var data = quad.data, rj = quad.r, r = ri + rj; + if (data) { + if (data.index > i) { + var x = xi - data.x - data.vx, + y = yi - data.y - data.vy, + l = x * x + y * y; + if (l < r * r) { + if (x === 0) x = jiggle(), l += x * x; + if (y === 0) y = jiggle(), l += y * y; + l = (r - (l = Math.sqrt(l))) / l * strength; + node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj)); + node.vy += (y *= l) * r; + data.vx -= x * (r = 1 - r); + data.vy -= y * r; + } + } + return; + } + return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r; } - - scale.exponent = function(_) { - return arguments.length ? (exponent = +_, domain(domain())) : exponent; - }; - - scale.copy = function() { - return copy(scale, pow().exponent(exponent)); - }; - - return linearish(scale); } - function sqrt() { - return pow().exponent(0.5); + function prepare(quad) { + if (quad.data) return quad.r = radii[quad.data.index]; + for (var i = quad.r = 0; i < 4; ++i) { + if (quad[i] && quad[i].r > quad.r) { + quad.r = quad[i].r; + } + } } - function quantile() { - var domain = [], - range = [], - thresholds = []; + force.initialize = function(_) { + var i, n = (nodes = _).length; radii = new Array(n); + for (i = 0; i < n; ++i) radii[i] = +radius(nodes[i], i, nodes); + }; - function rescale() { - var i = 0, n = Math.max(1, range.length); - thresholds = new Array(n - 1); - while (++i < n) thresholds[i - 1] = threshold(domain, i / n); - return scale; - } + force.iterations = function(_) { + return arguments.length ? (iterations = +_, force) : iterations; + }; - function scale(x) { - if (!isNaN(x = +x)) return range[bisectRight(thresholds, x)]; - } + force.strength = function(_) { + return arguments.length ? (strength = +_, force) : strength; + }; - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return i < 0 ? [NaN, NaN] : [ - i > 0 ? thresholds[i - 1] : domain[0], - i < thresholds.length ? thresholds[i] : domain[domain.length - 1] - ]; - }; + force.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), force) : radius; + }; - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = []; - for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); - domain.sort(ascending); - return rescale(); - }; + return force; +} - scale.range = function(_) { - return arguments.length ? (range = slice$3.call(_), rescale()) : range.slice(); - }; +function index$2(d, i) { + return i; +} - scale.quantiles = function() { - return thresholds.slice(); - }; +var link = function(links) { + var id = index$2, + strength = defaultStrength, + strengths, + distance = constant$7(30), + distances, + nodes, + count, + bias, + iterations = 1; - scale.copy = function() { - return quantile() - .domain(domain) - .range(range); - }; + if (links == null) links = []; - return scale; + function defaultStrength(link) { + return 1 / Math.min(count[link.source.index], count[link.target.index]); } - function quantize$1() { - var x0 = 0, - x1 = 1, - n = 1, - domain = [0.5], - range = [0, 1]; - - function scale(x) { - if (x <= x) return range[bisectRight(domain, x, 0, n)]; + function force(alpha) { + for (var k = 0, n = links.length; k < iterations; ++k) { + for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) { + link = links[i], source = link.source, target = link.target; + x = target.x + target.vx - source.x - source.vx || jiggle(); + y = target.y + target.vy - source.y - source.vy || jiggle(); + l = Math.sqrt(x * x + y * y); + l = (l - distances[i]) / l * alpha * strengths[i]; + x *= l, y *= l; + target.vx -= x * (b = bias[i]); + target.vy -= y * b; + source.vx += x * (b = 1 - b); + source.vy += y * b; + } } + } - function rescale() { - var i = -1; - domain = new Array(n); - while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1); - return scale; - } + function initialize() { + if (!nodes) return; - scale.domain = function(_) { - return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1]; - }; + var i, + n = nodes.length, + m = links.length, + nodeById = map$1(nodes, id), + link; - scale.range = function(_) { - return arguments.length ? (n = (range = slice$3.call(_)).length - 1, rescale()) : range.slice(); - }; + for (i = 0, count = new Array(n); i < n; ++i) { + count[i] = 0; + } - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return i < 0 ? [NaN, NaN] - : i < 1 ? [x0, domain[0]] - : i >= n ? [domain[n - 1], x1] - : [domain[i - 1], domain[i]]; - }; + for (i = 0; i < m; ++i) { + link = links[i], link.index = i; + if (typeof link.source !== "object") link.source = nodeById.get(link.source); + if (typeof link.target !== "object") link.target = nodeById.get(link.target); + ++count[link.source.index], ++count[link.target.index]; + } - scale.copy = function() { - return quantize$1() - .domain([x0, x1]) - .range(range); - }; + for (i = 0, bias = new Array(m); i < m; ++i) { + link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]); + } - return linearish(scale); + strengths = new Array(m), initializeStrength(); + distances = new Array(m), initializeDistance(); } - function threshold$1() { - var domain = [0.5], - range = [0, 1], - n = 1; + function initializeStrength() { + if (!nodes) return; - function scale(x) { - if (x <= x) return range[bisectRight(domain, x, 0, n)]; + for (var i = 0, n = links.length; i < n; ++i) { + strengths[i] = +strength(links[i], i, links); } + } - scale.domain = function(_) { - return arguments.length ? (domain = slice$3.call(_), n = Math.min(domain.length, range.length - 1), scale) : domain.slice(); - }; + function initializeDistance() { + if (!nodes) return; - scale.range = function(_) { - return arguments.length ? (range = slice$3.call(_), n = Math.min(domain.length, range.length - 1), scale) : range.slice(); - }; + for (var i = 0, n = links.length; i < n; ++i) { + distances[i] = +distance(links[i], i, links); + } + } - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return [domain[i - 1], domain[i]]; - }; + force.initialize = function(_) { + nodes = _; + initialize(); + }; - scale.copy = function() { - return threshold$1() - .domain(domain) - .range(range); - }; + force.links = function(_) { + return arguments.length ? (links = _, initialize(), force) : links; + }; - return scale; - } + force.id = function(_) { + return arguments.length ? (id = _, force) : id; + }; -var durationSecond$1 = 1000; -var durationMinute$1 = durationSecond$1 * 60; -var durationHour$1 = durationMinute$1 * 60; -var durationDay$1 = durationHour$1 * 24; -var durationWeek$1 = durationDay$1 * 7; - var durationMonth = durationDay$1 * 30; - var durationYear = durationDay$1 * 365; - function date$1(t) { - return new Date(t); - } - - function number$2(t) { - return t instanceof Date ? +t : +new Date(+t); - } - - function calendar(year, month, week, day, hour, minute, second, millisecond, format) { - var scale = continuous(deinterpolate, interpolateNumber), - invert = scale.invert, - domain = scale.domain; - - var formatMillisecond = format(".%L"), - formatSecond = format(":%S"), - formatMinute = format("%I:%M"), - formatHour = format("%I %p"), - formatDay = format("%a %d"), - formatWeek = format("%b %d"), - formatMonth = format("%B"), - formatYear = format("%Y"); - - var tickIntervals = [ - [second, 1, durationSecond$1], - [second, 5, 5 * durationSecond$1], - [second, 15, 15 * durationSecond$1], - [second, 30, 30 * durationSecond$1], - [minute, 1, durationMinute$1], - [minute, 5, 5 * durationMinute$1], - [minute, 15, 15 * durationMinute$1], - [minute, 30, 30 * durationMinute$1], - [ hour, 1, durationHour$1 ], - [ hour, 3, 3 * durationHour$1 ], - [ hour, 6, 6 * durationHour$1 ], - [ hour, 12, 12 * durationHour$1 ], - [ day, 1, durationDay$1 ], - [ day, 2, 2 * durationDay$1 ], - [ week, 1, durationWeek$1 ], - [ month, 1, durationMonth ], - [ month, 3, 3 * durationMonth ], - [ year, 1, durationYear ] - ]; + force.iterations = function(_) { + return arguments.length ? (iterations = +_, force) : iterations; + }; - function tickFormat(date) { - return (second(date) < date ? formatMillisecond - : minute(date) < date ? formatSecond - : hour(date) < date ? formatMinute - : day(date) < date ? formatHour - : month(date) < date ? (week(date) < date ? formatDay : formatWeek) - : year(date) < date ? formatMonth - : formatYear)(date); - } - - function tickInterval(interval, start, stop, step) { - if (interval == null) interval = 10; - - // If a desired tick count is specified, pick a reasonable tick interval - // based on the extent of the domain and a rough estimate of tick size. - // Otherwise, assume interval is already a time interval and use it. - if (typeof interval === "number") { - var target = Math.abs(stop - start) / interval, - i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); - if (i === tickIntervals.length) { - step = tickStep(start / durationYear, stop / durationYear, interval); - interval = year; - } else if (i) { - i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; - step = i[1]; - interval = i[0]; - } else { - step = tickStep(start, stop, interval); - interval = millisecond; - } - } + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initializeStrength(), force) : strength; + }; - return step == null ? interval : interval.every(step); - } + force.distance = function(_) { + return arguments.length ? (distance = typeof _ === "function" ? _ : constant$7(+_), initializeDistance(), force) : distance; + }; - scale.invert = function(y) { - return new Date(invert(y)); - }; + return force; +} - scale.domain = function(_) { - return arguments.length ? domain(map$2.call(_, number$2)) : domain().map(date$1); - }; +function x$2(d) { + return d.x; +} - scale.ticks = function(interval, step) { - var d = domain(), - t0 = d[0], - t1 = d[d.length - 1], - r = t1 < t0, - t; - if (r) t = t0, t0 = t1, t1 = t; - t = tickInterval(interval, t0, t1, step); - t = t ? t.range(t0, t1 + 1) : []; // inclusive stop - return r ? t.reverse() : t; - }; +function y$2(d) { + return d.y; +} - scale.tickFormat = function(count, specifier) { - return specifier == null ? tickFormat : format(specifier); - }; +var initialRadius = 10; +var initialAngle = Math.PI * (3 - Math.sqrt(5)); - scale.nice = function(interval, step) { - var d = domain(); - return (interval = tickInterval(interval, d[0], d[d.length - 1], step)) - ? domain(nice(d, interval)) - : scale; - }; +var simulation = function(nodes) { + var simulation, + alpha = 1, + alphaMin = 0.001, + alphaDecay = 1 - Math.pow(alphaMin, 1 / 300), + alphaTarget = 0, + velocityDecay = 0.6, + forces = map$1(), + stepper = timer(step), + event = dispatch("tick", "end"); - scale.copy = function() { - return copy(scale, calendar(year, month, week, day, hour, minute, second, millisecond, format)); - }; + if (nodes == null) nodes = []; - return scale; + function step() { + tick(); + event.call("tick", simulation); + if (alpha < alphaMin) { + stepper.stop(); + event.call("end", simulation); + } } - function time() { - return calendar(year, month, timeWeek, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]); - } + function tick() { + var i, n = nodes.length, node; - function utcTime() { - return calendar(utcYear, utcMonth, utcWeek, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); - } + alpha += (alphaTarget - alpha) * alphaDecay; - function colors(s) { - return s.match(/.{6}/g).map(function(x) { - return "#" + x; + forces.each(function(force) { + force(alpha); }); + + for (i = 0; i < n; ++i) { + node = nodes[i]; + if (node.fx == null) node.x += node.vx *= velocityDecay; + else node.x = node.fx, node.vx = 0; + if (node.fy == null) node.y += node.vy *= velocityDecay; + else node.y = node.fy, node.vy = 0; + } } - var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); + function initializeNodes() { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.index = i; + if (isNaN(node.x) || isNaN(node.y)) { + var radius = initialRadius * Math.sqrt(i), angle = i * initialAngle; + node.x = radius * Math.cos(angle); + node.y = radius * Math.sin(angle); + } + if (isNaN(node.vx) || isNaN(node.vy)) { + node.vx = node.vy = 0; + } + } + } - var category20b = colors("393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6"); + function initializeForce(force) { + if (force.initialize) force.initialize(nodes); + return force; + } - var category20c = colors("3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9"); + initializeNodes(); - var category20 = colors("1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5"); + return simulation = { + tick: tick, - var cubehelix$3 = interpolateCubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); + restart: function() { + return stepper.restart(step), simulation; + }, - var warm = interpolateCubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); + stop: function() { + return stepper.stop(), simulation; + }, - var cool = interpolateCubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); + nodes: function(_) { + return arguments.length ? (nodes = _, initializeNodes(), forces.each(initializeForce), simulation) : nodes; + }, - var rainbow = cubehelix(); + alpha: function(_) { + return arguments.length ? (alpha = +_, simulation) : alpha; + }, - function rainbow$1(t) { - if (t < 0 || t > 1) t -= Math.floor(t); - var ts = Math.abs(t - 0.5); - rainbow.h = 360 * t - 100; - rainbow.s = 1.5 - 1.5 * ts; - rainbow.l = 0.8 - 0.9 * ts; - return rainbow + ""; - } + alphaMin: function(_) { + return arguments.length ? (alphaMin = +_, simulation) : alphaMin; + }, - function ramp(range) { - var n = range.length; - return function(t) { - return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; - }; - } + alphaDecay: function(_) { + return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay; + }, - var viridis = ramp(colors("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")); + alphaTarget: function(_) { + return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget; + }, - var magma = ramp(colors("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")); + velocityDecay: function(_) { + return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay; + }, - var inferno = ramp(colors("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")); + force: function(name, _) { + return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); + }, - var plasma = ramp(colors("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")); + find: function(x, y, radius) { + var i = 0, + n = nodes.length, + dx, + dy, + d2, + node, + closest; - function sequential(interpolator) { - var x0 = 0, - x1 = 1, - clamp = false; + if (radius == null) radius = Infinity; + else radius *= radius; - function scale(x) { - var t = (x - x0) / (x1 - x0); - return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t); - } + for (i = 0; i < n; ++i) { + node = nodes[i]; + dx = x - node.x; + dy = y - node.y; + d2 = dx * dx + dy * dy; + if (d2 < radius) closest = node, radius = d2; + } - scale.domain = function(_) { - return arguments.length ? (x0 = +_[0], x1 = +_[1], scale) : [x0, x1]; - }; + return closest; + }, - scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, scale) : clamp; - }; + on: function(name, _) { + return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); + } + }; +} - scale.interpolator = function(_) { - return arguments.length ? (interpolator = _, scale) : interpolator; - }; +var manyBody = function() { + var nodes, + node, + alpha, + strength = constant$7(-30), + strengths, + distanceMin2 = 1, + distanceMax2 = Infinity, + theta2 = 0.81; - scale.copy = function() { - return sequential(interpolator).domain([x0, x1]).clamp(clamp); - }; + function force(_) { + var i, n = nodes.length, tree = quadtree(nodes, x$2, y$2).visitAfter(accumulate); + for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); + } - return linearish(scale); + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + for (i = 0; i < n; ++i) strengths[i] = +strength(nodes[i], i, nodes); } - var xhtml = "http://www.w3.org/1999/xhtml"; + function accumulate(quad) { + var strength = 0, q, c, x$$1, y$$1, i; - var namespaces = { - svg: "http://www.w3.org/2000/svg", - xhtml: xhtml, - xlink: "http://www.w3.org/1999/xlink", - xml: "http://www.w3.org/XML/1998/namespace", - xmlns: "http://www.w3.org/2000/xmlns/" - }; + // For internal nodes, accumulate forces from child quadrants. + if (quad.length) { + for (x$$1 = y$$1 = i = 0; i < 4; ++i) { + if ((q = quad[i]) && (c = q.value)) { + strength += c, x$$1 += c * q.x, y$$1 += c * q.y; + } + } + quad.x = x$$1 / strength; + quad.y = y$$1 / strength; + } - function namespace(name) { - var prefix = name += "", i = prefix.indexOf(":"); - if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); - return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; - } + // For leaf nodes, accumulate forces from coincident quadrants. + else { + q = quad; + q.x = q.data.x; + q.y = q.data.y; + do strength += strengths[q.data.index]; + while (q = q.next); + } - function creatorInherit(name) { - return function() { - var document = this.ownerDocument, - uri = this.namespaceURI; - return uri === xhtml && document.documentElement.namespaceURI === xhtml - ? document.createElement(name) - : document.createElementNS(uri, name); - }; + quad.value = strength; } - function creatorFixed(fullname) { - return function() { - return this.ownerDocument.createElementNS(fullname.space, fullname.local); - }; - } + function apply(quad, x1, _, x2) { + if (!quad.value) return true; - function creator(name) { - var fullname = namespace(name); - return (fullname.local - ? creatorFixed - : creatorInherit)(fullname); - } + var x$$1 = quad.x - node.x, + y$$1 = quad.y - node.y, + w = x2 - x1, + l = x$$1 * x$$1 + y$$1 * y$$1; + + // Apply the Barnes-Hut approximation if possible. + // Limit forces for very close nodes; randomize direction if coincident. + if (w * w / theta2 < l) { + if (l < distanceMax2) { + if (x$$1 === 0) x$$1 = jiggle(), l += x$$1 * x$$1; + if (y$$1 === 0) y$$1 = jiggle(), l += y$$1 * y$$1; + if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); + node.vx += x$$1 * quad.value * alpha / l; + node.vy += y$$1 * quad.value * alpha / l; + } + return true; + } - var nextId = 0; + // Otherwise, process points directly. + else if (quad.length || l >= distanceMax2) return; - function local() { - return new Local; - } + // Limit forces for very close nodes; randomize direction if coincident. + if (quad.data !== node || quad.next) { + if (x$$1 === 0) x$$1 = jiggle(), l += x$$1 * x$$1; + if (y$$1 === 0) y$$1 = jiggle(), l += y$$1 * y$$1; + if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); + } - function Local() { - this._ = "@" + (++nextId).toString(36); + do if (quad.data !== node) { + w = strengths[quad.data.index] * alpha / l; + node.vx += x$$1 * w; + node.vy += y$$1 * w; + } while (quad = quad.next); } - Local.prototype = local.prototype = { - constructor: Local, - get: function(node) { - var id = this._; - while (!(id in node)) if (!(node = node.parentNode)) return; - return node[id]; - }, - set: function(node, value) { - return node[this._] = value; - }, - remove: function(node) { - return this._ in node && delete node[this._]; - }, - toString: function() { - return this._; - } + force.initialize = function(_) { + nodes = _; + initialize(); }; - var matcher = function(selector) { - return function() { - return this.matches(selector); - }; + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; }; - if (typeof document !== "undefined") { - var element = document.documentElement; - if (!element.matches) { - var vendorMatches = element.webkitMatchesSelector - || element.msMatchesSelector - || element.mozMatchesSelector - || element.oMatchesSelector; - matcher = function(selector) { - return function() { - return vendorMatches.call(this, selector); - }; - }; - } - } + force.distanceMin = function(_) { + return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2); + }; - var matcher$1 = matcher; + force.distanceMax = function(_) { + return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2); + }; - var filterEvents = {}; + force.theta = function(_) { + return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2); + }; - exports.event = null; + return force; +} - if (typeof document !== "undefined") { - var element$1 = document.documentElement; - if (!("onmouseenter" in element$1)) { - filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; - } - } +var x$3 = function(x) { + var strength = constant$7(0.1), + nodes, + strengths, + xz; - function filterContextListener(listener, index, group) { - listener = contextListener(listener, index, group); - return function(event) { - var related = event.relatedTarget; - if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { - listener.call(this, event); - } - }; - } + if (typeof x !== "function") x = constant$7(x == null ? 0 : +x); - function contextListener(listener, index, group) { - return function(event1) { - var event0 = exports.event; // Events can be reentrant (e.g., focus). - exports.event = event1; - try { - listener.call(this, this.__data__, index, group); - } finally { - exports.event = event0; - } - }; + function force(alpha) { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha; + } } - function parseTypenames$1(typenames) { - return typenames.trim().split(/^|\s+/).map(function(t) { - var name = "", i = t.indexOf("."); - if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); - return {type: t, name: name}; - }); + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + xz = new Array(n); + for (i = 0; i < n; ++i) { + strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + } } - function onRemove(typename) { - return function() { - var on = this.__on; - if (!on) return; - for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { - if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); - } else { - on[++i] = o; - } - } - if (++i) on.length = i; - else delete this.__on; - }; - } + force.initialize = function(_) { + nodes = _; + initialize(); + }; - function onAdd(typename, value, capture) { - var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; - return function(d, i, group) { - var on = this.__on, o, listener = wrap(value, i, group); - if (on) for (var j = 0, m = on.length; j < m; ++j) { - if ((o = on[j]).type === typename.type && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); - this.addEventListener(o.type, o.listener = listener, o.capture = capture); - o.value = value; - return; - } - } - this.addEventListener(typename.type, listener, capture); - o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; - if (!on) this.__on = [o]; - else on.push(o); - }; - } + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; + }; - function selection_on(typename, value, capture) { - var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t; + force.x = function(_) { + return arguments.length ? (x = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : x; + }; - if (arguments.length < 2) { - var on = this.node().__on; - if (on) for (var j = 0, m = on.length, o; j < m; ++j) { - for (i = 0, o = on[j]; i < n; ++i) { - if ((t = typenames[i]).type === o.type && t.name === o.name) { - return o.value; - } - } - } - return; - } + return force; +} - on = value ? onAdd : onRemove; - if (capture == null) capture = false; - for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); - return this; - } +var y$3 = function(y) { + var strength = constant$7(0.1), + nodes, + strengths, + yz; - function customEvent(event1, listener, that, args) { - var event0 = exports.event; - event1.sourceEvent = exports.event; - exports.event = event1; - try { - return listener.apply(that, args); - } finally { - exports.event = event0; - } - } + if (typeof y !== "function") y = constant$7(y == null ? 0 : +y); - function sourceEvent() { - var current = exports.event, source; - while (source = current.sourceEvent) current = source; - return current; + function force(alpha) { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha; + } } - function point$5(node, event) { - var svg = node.ownerSVGElement || node; - - if (svg.createSVGPoint) { - var point = svg.createSVGPoint(); - point.x = event.clientX, point.y = event.clientY; - point = point.matrixTransform(node.getScreenCTM().inverse()); - return [point.x, point.y]; + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + yz = new Array(n); + for (i = 0; i < n; ++i) { + strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); } - - var rect = node.getBoundingClientRect(); - return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; } - function mouse(node) { - var event = sourceEvent(); - if (event.changedTouches) event = event.changedTouches[0]; - return point$5(node, event); - } + force.initialize = function(_) { + nodes = _; + initialize(); + }; - function none$2() {} + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; + }; - function selector(selector) { - return selector == null ? none$2 : function() { - return this.querySelector(selector); - }; - } + force.y = function(_) { + return arguments.length ? (y = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : y; + }; - function selection_select(select) { - if (typeof select !== "function") select = selector(select); + return force; +} + +function nopropagation() { + exports.event.stopImmediatePropagation(); +} + +var noevent = function() { + exports.event.preventDefault(); + exports.event.stopImmediatePropagation(); +} + +var dragDisable = function(view) { + var root = view.document.documentElement, + selection$$1 = select(view).on("dragstart.drag", noevent, true); + if ("onselectstart" in root) { + selection$$1.on("selectstart.drag", noevent, true); + } else { + root.__noselect = root.style.MozUserSelect; + root.style.MozUserSelect = "none"; + } +} + +function yesdrag(view, noclick) { + var root = view.document.documentElement, + selection$$1 = select(view).on("dragstart.drag", null); + if (noclick) { + selection$$1.on("click.drag", noevent, true); + setTimeout(function() { selection$$1.on("click.drag", null); }, 0); + } + if ("onselectstart" in root) { + selection$$1.on("selectstart.drag", null); + } else { + root.style.MozUserSelect = root.__noselect; + delete root.__noselect; + } +} + +var constant$8 = function(x) { + return function() { + return x; + }; +} + +function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) { + this.target = target; + this.type = type; + this.subject = subject; + this.identifier = id; + this.active = active; + this.x = x; + this.y = y; + this.dx = dx; + this.dy = dy; + this._ = dispatch; +} + +DragEvent.prototype.on = function() { + var value = this._.on.apply(this._, arguments); + return value === this._ ? this : value; +}; + +// Ignore right-click, since that should open the context menu. +function defaultFilter() { + return !exports.event.button; +} + +function defaultContainer() { + return this.parentNode; +} + +function defaultSubject(d) { + return d == null ? {x: exports.event.x, y: exports.event.y} : d; +} + +var drag = function() { + var filter = defaultFilter, + container = defaultContainer, + subject = defaultSubject, + gestures = {}, + listeners = dispatch("start", "drag", "end"), + active = 0, + mousemoving, + touchending; + + function drag(selection$$1) { + selection$$1 + .on("mousedown.drag", mousedowned) + .on("touchstart.drag", touchstarted) + .on("touchmove.drag", touchmoved) + .on("touchend.drag touchcancel.drag", touchended) + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); + } + + function mousedowned() { + if (touchending || !filter.apply(this, arguments)) return; + var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments); + if (!gesture) return; + select(exports.event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); + dragDisable(exports.event.view); + nopropagation(); + mousemoving = false; + gesture("start"); + } + + function mousemoved() { + noevent(); + mousemoving = true; + gestures.mouse("drag"); + } + + function mouseupped() { + select(exports.event.view).on("mousemove.drag mouseup.drag", null); + yesdrag(exports.event.view, mousemoving); + noevent(); + gestures.mouse("end"); + } + + function touchstarted() { + if (!filter.apply(this, arguments)) return; + var touches$$1 = exports.event.changedTouches, + c = container.apply(this, arguments), + n = touches$$1.length, i, gesture; - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { - if ("__data__" in node) subnode.__data__ = node.__data__; - subgroup[i] = subnode; - } + for (i = 0; i < n; ++i) { + if (gesture = beforestart(touches$$1[i].identifier, c, touch, this, arguments)) { + nopropagation(); + gesture("start"); } } - - return new Selection(subgroups, this._parents); - } - - function empty() { - return []; - } - - function selectorAll(selector) { - return selector == null ? empty : function() { - return this.querySelectorAll(selector); - }; } - function selection_selectAll(select) { - if (typeof select !== "function") select = selectorAll(select); + function touchmoved() { + var touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, gesture; - for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - subgroups.push(select.call(node, node.__data__, i, group)); - parents.push(node); - } + for (i = 0; i < n; ++i) { + if (gesture = gestures[touches$$1[i].identifier]) { + noevent(); + gesture("drag"); } } - - return new Selection(subgroups, parents); } - function selection_filter(match) { - if (typeof match !== "function") match = matcher$1(match); + function touchended() { + var touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, gesture; - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { - if ((node = group[i]) && match.call(node, node.__data__, i, group)) { - subgroup.push(node); - } + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! + for (i = 0; i < n; ++i) { + if (gesture = gestures[touches$$1[i].identifier]) { + nopropagation(); + gesture("end"); } } - - return new Selection(subgroups, this._parents); } - function sparse(update) { - return new Array(update.length); - } + function beforestart(id, container, point, that, args) { + var p = point(container, id), s, dx, dy, + sublisteners = listeners.copy(); - function selection_enter() { - return new Selection(this._enter || this._groups.map(sparse), this._parents); - } + if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { + if ((exports.event.subject = s = subject.apply(that, args)) == null) return false; + dx = s.x - p[0] || 0; + dy = s.y - p[1] || 0; + return true; + })) return; - function EnterNode(parent, datum) { - this.ownerDocument = parent.ownerDocument; - this.namespaceURI = parent.namespaceURI; - this._next = null; - this._parent = parent; - this.__data__ = datum; + return function gesture(type) { + var p0 = p, n; + switch (type) { + case "start": gestures[id] = gesture, n = active++; break; + case "end": delete gestures[id], --active; // nobreak + case "drag": p = point(container, id), n = active; break; + } + customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); + }; } - EnterNode.prototype = { - constructor: EnterNode, - appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, - insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, - querySelector: function(selector) { return this._parent.querySelector(selector); }, - querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } + drag.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$8(!!_), drag) : filter; }; - function constant$4(x) { - return function() { - return x; - }; - } + drag.container = function(_) { + return arguments.length ? (container = typeof _ === "function" ? _ : constant$8(_), drag) : container; + }; - var keyPrefix = "$"; // Protect against keys like “__proto__”. + drag.subject = function(_) { + return arguments.length ? (subject = typeof _ === "function" ? _ : constant$8(_), drag) : subject; + }; - function bindIndex(parent, group, enter, update, exit, data) { - var i = 0, - node, - groupLength = group.length, - dataLength = data.length; + drag.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? drag : value; + }; - // Put any non-null nodes that fit into update. - // Put any null nodes into enter. - // Put any remaining data into enter. - for (; i < dataLength; ++i) { - if (node = group[i]) { - node.__data__ = data[i]; - update[i] = node; + return drag; +} + +var constant$9 = function(x) { + return function() { + return x; + }; +} + +function x$4(d) { + return d[0]; +} + +function y$4(d) { + return d[1]; +} + +function RedBlackTree() { + this._ = null; // root node +} + +function RedBlackNode(node) { + node.U = // parent node + node.C = // color - true for red, false for black + node.L = // left node + node.R = // right node + node.P = // previous node + node.N = null; // next node +} + +RedBlackTree.prototype = { + constructor: RedBlackTree, + + insert: function(after, node) { + var parent, grandpa, uncle; + + if (after) { + node.P = after; + node.N = after.N; + if (after.N) after.N.P = node; + after.N = node; + if (after.R) { + after = after.R; + while (after.L) after = after.L; + after.L = node; + } else { + after.R = node; + } + parent = after; + } else if (this._) { + after = RedBlackFirst(this._); + node.P = null; + node.N = after; + after.P = after.L = node; + parent = after; + } else { + node.P = node.N = null; + this._ = node; + parent = null; + } + node.L = node.R = null; + node.U = parent; + node.C = true; + + after = node; + while (parent && parent.C) { + grandpa = parent.U; + if (parent === grandpa.L) { + uncle = grandpa.R; + if (uncle && uncle.C) { + parent.C = uncle.C = false; + grandpa.C = true; + after = grandpa; + } else { + if (after === parent.R) { + RedBlackRotateLeft(this, parent); + after = parent; + parent = after.U; + } + parent.C = false; + grandpa.C = true; + RedBlackRotateRight(this, grandpa); + } } else { - enter[i] = new EnterNode(parent, data[i]); + uncle = grandpa.L; + if (uncle && uncle.C) { + parent.C = uncle.C = false; + grandpa.C = true; + after = grandpa; + } else { + if (after === parent.L) { + RedBlackRotateRight(this, parent); + after = parent; + parent = after.U; + } + parent.C = false; + grandpa.C = true; + RedBlackRotateLeft(this, grandpa); + } } + parent = after.U; } + this._.C = false; + }, - // Put any non-null nodes that don’t fit into exit. - for (; i < groupLength; ++i) { - if (node = group[i]) { - exit[i] = node; + remove: function(node) { + if (node.N) node.N.P = node.P; + if (node.P) node.P.N = node.N; + node.N = node.P = null; + + var parent = node.U, + sibling, + left = node.L, + right = node.R, + next, + red; + + if (!left) next = right; + else if (!right) next = left; + else next = RedBlackFirst(right); + + if (parent) { + if (parent.L === node) parent.L = next; + else parent.R = next; + } else { + this._ = next; + } + + if (left && right) { + red = next.C; + next.C = node.C; + next.L = left; + left.U = next; + if (next !== right) { + parent = next.U; + next.U = node.U; + node = next.R; + parent.L = node; + next.R = right; + right.U = next; + } else { + next.U = parent; + parent = next; + node = next.R; } + } else { + red = node.C; + node = next; } - } - function bindKey(parent, group, enter, update, exit, data, key) { - var i, - node, - nodeByKeyValue = {}, - groupLength = group.length, - dataLength = data.length, - keyValues = new Array(groupLength), - keyValue; + if (node) node.U = parent; + if (red) return; + if (node && node.C) { node.C = false; return; } - // Compute the key for each node. - // If multiple nodes have the same key, the duplicates are added to exit. - for (i = 0; i < groupLength; ++i) { - if (node = group[i]) { - keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group); - if (keyValue in nodeByKeyValue) { - exit[i] = node; - } else { - nodeByKeyValue[keyValue] = node; + do { + if (node === this._) break; + if (node === parent.L) { + sibling = parent.R; + if (sibling.C) { + sibling.C = false; + parent.C = true; + RedBlackRotateLeft(this, parent); + sibling = parent.R; + } + if ((sibling.L && sibling.L.C) + || (sibling.R && sibling.R.C)) { + if (!sibling.R || !sibling.R.C) { + sibling.L.C = false; + sibling.C = true; + RedBlackRotateRight(this, sibling); + sibling = parent.R; + } + sibling.C = parent.C; + parent.C = sibling.R.C = false; + RedBlackRotateLeft(this, parent); + node = this._; + break; + } + } else { + sibling = parent.L; + if (sibling.C) { + sibling.C = false; + parent.C = true; + RedBlackRotateRight(this, parent); + sibling = parent.L; + } + if ((sibling.L && sibling.L.C) + || (sibling.R && sibling.R.C)) { + if (!sibling.L || !sibling.L.C) { + sibling.R.C = false; + sibling.C = true; + RedBlackRotateLeft(this, sibling); + sibling = parent.L; + } + sibling.C = parent.C; + parent.C = sibling.L.C = false; + RedBlackRotateRight(this, parent); + node = this._; + break; } } - } - - // Compute the key for each datum. - // If there a node associated with this key, join and add it to update. - // If there is not (or the key is a duplicate), add it to enter. - for (i = 0; i < dataLength; ++i) { - keyValue = keyPrefix + key.call(parent, data[i], i, data); - if (node = nodeByKeyValue[keyValue]) { - update[i] = node; - node.__data__ = data[i]; - nodeByKeyValue[keyValue] = null; + sibling.C = true; + node = parent; + parent = parent.U; + } while (!node.C); + + if (node) node.C = false; + } +}; + +function RedBlackRotateLeft(tree, node) { + var p = node, + q = node.R, + parent = p.U; + + if (parent) { + if (parent.L === p) parent.L = q; + else parent.R = q; + } else { + tree._ = q; + } + + q.U = parent; + p.U = q; + p.R = q.L; + if (p.R) p.R.U = p; + q.L = p; +} + +function RedBlackRotateRight(tree, node) { + var p = node, + q = node.L, + parent = p.U; + + if (parent) { + if (parent.L === p) parent.L = q; + else parent.R = q; + } else { + tree._ = q; + } + + q.U = parent; + p.U = q; + p.L = q.R; + if (p.L) p.L.U = p; + q.R = p; +} + +function RedBlackFirst(node) { + while (node.L) node = node.L; + return node; +} + +function createEdge(left, right, v0, v1) { + var edge = [null, null], + index = edges.push(edge) - 1; + edge.left = left; + edge.right = right; + if (v0) setEdgeEnd(edge, left, right, v0); + if (v1) setEdgeEnd(edge, right, left, v1); + cells[left.index].halfedges.push(index); + cells[right.index].halfedges.push(index); + return edge; +} + +function createBorderEdge(left, v0, v1) { + var edge = [v0, v1]; + edge.left = left; + return edge; +} + +function setEdgeEnd(edge, left, right, vertex) { + if (!edge[0] && !edge[1]) { + edge[0] = vertex; + edge.left = left; + edge.right = right; + } else if (edge.left === right) { + edge[1] = vertex; + } else { + edge[0] = vertex; + } +} + +// Liang–Barsky line clipping. +function clipEdge(edge, x0, y0, x1, y1) { + var a = edge[0], + b = edge[1], + ax = a[0], + ay = a[1], + bx = b[0], + by = b[1], + t0 = 0, + t1 = 1, + dx = bx - ax, + dy = by - ay, + r; + + r = x0 - ax; + if (!dx && r > 0) return; + r /= dx; + if (dx < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dx > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = x1 - ax; + if (!dx && r < 0) return; + r /= dx; + if (dx < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dx > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + r = y0 - ay; + if (!dy && r > 0) return; + r /= dy; + if (dy < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dy > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = y1 - ay; + if (!dy && r < 0) return; + r /= dy; + if (dy < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dy > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + if (!(t0 > 0) && !(t1 < 1)) return true; // TODO Better check? + + if (t0 > 0) edge[0] = [ax + t0 * dx, ay + t0 * dy]; + if (t1 < 1) edge[1] = [ax + t1 * dx, ay + t1 * dy]; + return true; +} + +function connectEdge(edge, x0, y0, x1, y1) { + var v1 = edge[1]; + if (v1) return true; + + var v0 = edge[0], + left = edge.left, + right = edge.right, + lx = left[0], + ly = left[1], + rx = right[0], + ry = right[1], + fx = (lx + rx) / 2, + fy = (ly + ry) / 2, + fm, + fb; + + if (ry === ly) { + if (fx < x0 || fx >= x1) return; + if (lx > rx) { + if (!v0) v0 = [fx, y0]; + else if (v0[1] >= y1) return; + v1 = [fx, y1]; + } else { + if (!v0) v0 = [fx, y1]; + else if (v0[1] < y0) return; + v1 = [fx, y0]; + } + } else { + fm = (lx - rx) / (ry - ly); + fb = fy - fm * fx; + if (fm < -1 || fm > 1) { + if (lx > rx) { + if (!v0) v0 = [(y0 - fb) / fm, y0]; + else if (v0[1] >= y1) return; + v1 = [(y1 - fb) / fm, y1]; } else { - enter[i] = new EnterNode(parent, data[i]); + if (!v0) v0 = [(y1 - fb) / fm, y1]; + else if (v0[1] < y0) return; + v1 = [(y0 - fb) / fm, y0]; } - } - - // Add any remaining nodes that were not bound to data to exit. - for (i = 0; i < groupLength; ++i) { - if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) { - exit[i] = node; + } else { + if (ly < ry) { + if (!v0) v0 = [x0, fm * x0 + fb]; + else if (v0[0] >= x1) return; + v1 = [x1, fm * x1 + fb]; + } else { + if (!v0) v0 = [x1, fm * x1 + fb]; + else if (v0[0] < x0) return; + v1 = [x0, fm * x0 + fb]; } } } - function selection_data(value, key) { - if (!value) { - data = new Array(this.size()), j = -1; - this.each(function(d) { data[++j] = d; }); - return data; - } - - var bind = key ? bindKey : bindIndex, - parents = this._parents, - groups = this._groups; - - if (typeof value !== "function") value = constant$4(value); + edge[0] = v0; + edge[1] = v1; + return true; +} - for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) { - var parent = parents[j], - group = groups[j], - groupLength = group.length, - data = value.call(parent, parent && parent.__data__, j, parents), - dataLength = data.length, - enterGroup = enter[j] = new Array(dataLength), - updateGroup = update[j] = new Array(dataLength), - exitGroup = exit[j] = new Array(groupLength); +function clipEdges(x0, y0, x1, y1) { + var i = edges.length, + edge; - bind(parent, group, enterGroup, updateGroup, exitGroup, data, key); - - // Now connect the enter nodes to their following update node, such that - // appendChild can insert the materialized enter node before this node, - // rather than at the end of the parent node. - for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) { - if (previous = enterGroup[i0]) { - if (i0 >= i1) i1 = i0 + 1; - while (!(next = updateGroup[i1]) && ++i1 < dataLength); - previous._next = next || null; - } - } + while (i--) { + if (!connectEdge(edge = edges[i], x0, y0, x1, y1) + || !clipEdge(edge, x0, y0, x1, y1) + || !(Math.abs(edge[0][0] - edge[1][0]) > epsilon$3 + || Math.abs(edge[0][1] - edge[1][1]) > epsilon$3)) { + delete edges[i]; } - - update = new Selection(update, parents); - update._enter = enter; - update._exit = exit; - return update; } +} - function selection_exit() { - return new Selection(this._exit || this._groups.map(sparse), this._parents); - } - - function selection_merge(selection) { - - for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { - for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group0[i] || group1[i]) { - merge[i] = node; - } +function createCell(site) { + return cells[site.index] = { + site: site, + halfedges: [] + }; +} + +function cellHalfedgeAngle(cell, edge) { + var site = cell.site, + va = edge.left, + vb = edge.right; + if (site === vb) vb = va, va = site; + if (vb) return Math.atan2(vb[1] - va[1], vb[0] - va[0]); + if (site === va) va = edge[1], vb = edge[0]; + else va = edge[0], vb = edge[1]; + return Math.atan2(va[0] - vb[0], vb[1] - va[1]); +} + +function cellHalfedgeStart(cell, edge) { + return edge[+(edge.left !== cell.site)]; +} + +function cellHalfedgeEnd(cell, edge) { + return edge[+(edge.left === cell.site)]; +} + +function sortCellHalfedges() { + for (var i = 0, n = cells.length, cell, halfedges, j, m; i < n; ++i) { + if ((cell = cells[i]) && (m = (halfedges = cell.halfedges).length)) { + var index = new Array(m), + array = new Array(m); + for (j = 0; j < m; ++j) index[j] = j, array[j] = cellHalfedgeAngle(cell, edges[halfedges[j]]); + index.sort(function(i, j) { return array[j] - array[i]; }); + for (j = 0; j < m; ++j) array[j] = halfedges[index[j]]; + for (j = 0; j < m; ++j) halfedges[j] = array[j]; + } + } +} + +function clipCells(x0, y0, x1, y1) { + var nCells = cells.length, + iCell, + cell, + site, + iHalfedge, + halfedges, + nHalfedges, + start, + startX, + startY, + end, + endX, + endY, + cover = true; + + for (iCell = 0; iCell < nCells; ++iCell) { + if (cell = cells[iCell]) { + site = cell.site; + halfedges = cell.halfedges; + iHalfedge = halfedges.length; + + // Remove any dangling clipped edges. + while (iHalfedge--) { + if (!edges[halfedges[iHalfedge]]) { + halfedges.splice(iHalfedge, 1); + } + } + + // Insert any border edges as necessary. + iHalfedge = 0, nHalfedges = halfedges.length; + while (iHalfedge < nHalfedges) { + end = cellHalfedgeEnd(cell, edges[halfedges[iHalfedge]]), endX = end[0], endY = end[1]; + start = cellHalfedgeStart(cell, edges[halfedges[++iHalfedge % nHalfedges]]), startX = start[0], startY = start[1]; + if (Math.abs(endX - startX) > epsilon$3 || Math.abs(endY - startY) > epsilon$3) { + halfedges.splice(iHalfedge, 0, edges.push(createBorderEdge(site, end, + Math.abs(endX - x0) < epsilon$3 && y1 - endY > epsilon$3 ? [x0, Math.abs(startX - x0) < epsilon$3 ? startY : y1] + : Math.abs(endY - y1) < epsilon$3 && x1 - endX > epsilon$3 ? [Math.abs(startY - y1) < epsilon$3 ? startX : x1, y1] + : Math.abs(endX - x1) < epsilon$3 && endY - y0 > epsilon$3 ? [x1, Math.abs(startX - x1) < epsilon$3 ? startY : y0] + : Math.abs(endY - y0) < epsilon$3 && endX - x0 > epsilon$3 ? [Math.abs(startY - y0) < epsilon$3 ? startX : x0, y0] + : null)) - 1); + ++nHalfedges; + } + } + + if (nHalfedges) cover = false; + } + } + + // If there weren’t any edges, have the closest site cover the extent. + // It doesn’t matter which corner of the extent we measure! + if (cover) { + var dx, dy, d2, dc = Infinity; + + for (iCell = 0, cover = null; iCell < nCells; ++iCell) { + if (cell = cells[iCell]) { + site = cell.site; + dx = site[0] - x0; + dy = site[1] - y0; + d2 = dx * dx + dy * dy; + if (d2 < dc) dc = d2, cover = cell; } } - for (; j < m0; ++j) { - merges[j] = groups0[j]; + if (cover) { + var v00 = [x0, y0], v01 = [x0, y1], v11 = [x1, y1], v10 = [x1, y0]; + cover.halfedges.push( + edges.push(createBorderEdge(site = cover.site, v00, v01)) - 1, + edges.push(createBorderEdge(site, v01, v11)) - 1, + edges.push(createBorderEdge(site, v11, v10)) - 1, + edges.push(createBorderEdge(site, v10, v00)) - 1 + ); } - - return new Selection(merges, this._parents); } - function selection_order() { - - for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { - for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) { - if (node = group[i]) { - if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); - next = node; - } + // Lastly delete any cells with no edges; these were entirely clipped. + for (iCell = 0; iCell < nCells; ++iCell) { + if (cell = cells[iCell]) { + if (!cell.halfedges.length) { + delete cells[iCell]; } } - - return this; } +} - function selection_sort(compare) { - if (!compare) compare = ascending$2; +var circlePool = []; - function compareNode(a, b) { - return a && b ? compare(a.__data__, b.__data__) : !a - !b; - } +var firstCircle; - for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group[i]) { - sortgroup[i] = node; - } - } - sortgroup.sort(compareNode); - } - - return new Selection(sortgroups, this._parents).order(); - } - - function ascending$2(a, b) { - return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; - } - - function selection_call() { - var callback = arguments[0]; - arguments[0] = this; - callback.apply(null, arguments); - return this; - } - - function selection_nodes() { - var nodes = new Array(this.size()), i = -1; - this.each(function() { nodes[++i] = this; }); - return nodes; - } - - function selection_node() { - - for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { - for (var group = groups[j], i = 0, n = group.length; i < n; ++i) { - var node = group[i]; - if (node) return node; - } - } - - return null; - } - - function selection_size() { - var size = 0; - this.each(function() { ++size; }); - return size; - } - - function selection_empty() { - return !this.node(); - } - - function selection_each(callback) { - - for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { - for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { - if (node = group[i]) callback.call(node, node.__data__, i, group); - } - } - - return this; - } - - function attrRemove(name) { - return function() { - this.removeAttribute(name); - }; - } - - function attrRemoveNS(fullname) { - return function() { - this.removeAttributeNS(fullname.space, fullname.local); - }; - } - - function attrConstant(name, value) { - return function() { - this.setAttribute(name, value); - }; - } - - function attrConstantNS(fullname, value) { - return function() { - this.setAttributeNS(fullname.space, fullname.local, value); - }; - } - - function attrFunction(name, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.removeAttribute(name); - else this.setAttribute(name, v); - }; - } - - function attrFunctionNS(fullname, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.removeAttributeNS(fullname.space, fullname.local); - else this.setAttributeNS(fullname.space, fullname.local, v); - }; - } - - function selection_attr(name, value) { - var fullname = namespace(name); - - if (arguments.length < 2) { - var node = this.node(); - return fullname.local - ? node.getAttributeNS(fullname.space, fullname.local) - : node.getAttribute(fullname); - } - - return this.each((value == null - ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" - ? (fullname.local ? attrFunctionNS : attrFunction) - : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); - } - - function window(node) { - return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node - || (node.document && node) // node is a Window - || node.defaultView; // node is a Document - } - - function styleRemove(name) { - return function() { - this.style.removeProperty(name); - }; - } - - function styleConstant(name, value, priority) { - return function() { - this.style.setProperty(name, value, priority); - }; - } - - function styleFunction(name, value, priority) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.style.removeProperty(name); - else this.style.setProperty(name, v, priority); - }; - } - - function selection_style(name, value, priority) { - var node; - return arguments.length > 1 - ? this.each((value == null - ? styleRemove : typeof value === "function" - ? styleFunction - : styleConstant)(name, value, priority == null ? "" : priority)) - : window(node = this.node()) - .getComputedStyle(node, null) - .getPropertyValue(name); - } - - function propertyRemove(name) { - return function() { - delete this[name]; - }; - } - - function propertyConstant(name, value) { - return function() { - this[name] = value; - }; - } - - function propertyFunction(name, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) delete this[name]; - else this[name] = v; - }; - } - - function selection_property(name, value) { - return arguments.length > 1 - ? this.each((value == null - ? propertyRemove : typeof value === "function" - ? propertyFunction - : propertyConstant)(name, value)) - : this.node()[name]; - } - - function classArray(string) { - return string.trim().split(/^|\s+/); - } - - function classList(node) { - return node.classList || new ClassList(node); - } - - function ClassList(node) { - this._node = node; - this._names = classArray(node.getAttribute("class") || ""); - } - - ClassList.prototype = { - add: function(name) { - var i = this._names.indexOf(name); - if (i < 0) { - this._names.push(name); - this._node.setAttribute("class", this._names.join(" ")); - } - }, - remove: function(name) { - var i = this._names.indexOf(name); - if (i >= 0) { - this._names.splice(i, 1); - this._node.setAttribute("class", this._names.join(" ")); - } - }, - contains: function(name) { - return this._names.indexOf(name) >= 0; - } - }; - - function classedAdd(node, names) { - var list = classList(node), i = -1, n = names.length; - while (++i < n) list.add(names[i]); - } - - function classedRemove(node, names) { - var list = classList(node), i = -1, n = names.length; - while (++i < n) list.remove(names[i]); - } - - function classedTrue(names) { - return function() { - classedAdd(this, names); - }; - } - - function classedFalse(names) { - return function() { - classedRemove(this, names); - }; - } - - function classedFunction(names, value) { - return function() { - (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names); - }; - } - - function selection_classed(name, value) { - var names = classArray(name + ""); - - if (arguments.length < 2) { - var list = classList(this.node()), i = -1, n = names.length; - while (++i < n) if (!list.contains(names[i])) return false; - return true; - } - - return this.each((typeof value === "function" - ? classedFunction : value - ? classedTrue - : classedFalse)(names, value)); - } - - function textRemove() { - this.textContent = ""; - } - - function textConstant(value) { - return function() { - this.textContent = value; - }; - } - - function textFunction(value) { - return function() { - var v = value.apply(this, arguments); - this.textContent = v == null ? "" : v; - }; - } - - function selection_text(value) { - return arguments.length - ? this.each(value == null - ? textRemove : (typeof value === "function" - ? textFunction - : textConstant)(value)) - : this.node().textContent; - } - - function htmlRemove() { - this.innerHTML = ""; - } - - function htmlConstant(value) { - return function() { - this.innerHTML = value; - }; - } - - function htmlFunction(value) { - return function() { - var v = value.apply(this, arguments); - this.innerHTML = v == null ? "" : v; - }; - } - - function selection_html(value) { - return arguments.length - ? this.each(value == null - ? htmlRemove : (typeof value === "function" - ? htmlFunction - : htmlConstant)(value)) - : this.node().innerHTML; - } - - function raise$1() { - if (this.nextSibling) this.parentNode.appendChild(this); - } - - function selection_raise() { - return this.each(raise$1); - } - - function lower() { - if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); - } - - function selection_lower() { - return this.each(lower); - } - - function selection_append(name) { - var create = typeof name === "function" ? name : creator(name); - return this.select(function() { - return this.appendChild(create.apply(this, arguments)); - }); - } - - function constantNull() { - return null; - } - - function selection_insert(name, before) { - var create = typeof name === "function" ? name : creator(name), - select = before == null ? constantNull : typeof before === "function" ? before : selector(before); - return this.select(function() { - return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); - }); - } - - function remove() { - var parent = this.parentNode; - if (parent) parent.removeChild(this); - } - - function selection_remove() { - return this.each(remove); - } - - function selection_datum(value) { - return arguments.length - ? this.property("__data__", value) - : this.node().__data__; - } - - function dispatchEvent(node, type, params) { - var window$$ = window(node), - event = window$$.CustomEvent; - - if (event) { - event = new event(type, params); - } else { - event = window$$.document.createEvent("Event"); - if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; - else event.initEvent(type, false, false); - } - - node.dispatchEvent(event); - } - - function dispatchConstant(type, params) { - return function() { - return dispatchEvent(this, type, params); - }; - } - - function dispatchFunction(type, params) { - return function() { - return dispatchEvent(this, type, params.apply(this, arguments)); - }; - } - - function selection_dispatch(type, params) { - return this.each((typeof params === "function" - ? dispatchFunction - : dispatchConstant)(type, params)); - } - - var root = [null]; - - function Selection(groups, parents) { - this._groups = groups; - this._parents = parents; - } - - function selection() { - return new Selection([[document.documentElement]], root); - } - - Selection.prototype = selection.prototype = { - constructor: Selection, - select: selection_select, - selectAll: selection_selectAll, - filter: selection_filter, - data: selection_data, - enter: selection_enter, - exit: selection_exit, - merge: selection_merge, - order: selection_order, - sort: selection_sort, - call: selection_call, - nodes: selection_nodes, - node: selection_node, - size: selection_size, - empty: selection_empty, - each: selection_each, - attr: selection_attr, - style: selection_style, - property: selection_property, - classed: selection_classed, - text: selection_text, - html: selection_html, - raise: selection_raise, - lower: selection_lower, - append: selection_append, - insert: selection_insert, - remove: selection_remove, - datum: selection_datum, - on: selection_on, - dispatch: selection_dispatch - }; - - function select(selector) { - return typeof selector === "string" - ? new Selection([[document.querySelector(selector)]], [document.documentElement]) - : new Selection([[selector]], root); - } - - function selectAll(selector) { - return typeof selector === "string" - ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) - : new Selection([selector == null ? [] : selector], root); - } - - function touch(node, touches, identifier) { - if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; - - for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) { - if ((touch = touches[i]).identifier === identifier) { - return point$5(node, touch); - } - } - - return null; - } - - function touches(node, touches) { - if (touches == null) touches = sourceEvent().touches; - - for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) { - points[i] = point$5(node, touches[i]); - } - - return points; - } - - var emptyOn = dispatch("start", "end", "interrupt"); - var emptyTween = []; - - var CREATED = 0; - var SCHEDULED = 1; - var STARTING = 2; - var STARTED = 3; - var ENDING = 4; - var ENDED = 5; - - function schedule(node, name, id, index, group, timing) { - var schedules = node.__transition; - if (!schedules) node.__transition = {}; - else if (id in schedules) return; - create(node, id, { - name: name, - index: index, // For context during callback. - group: group, // For context during callback. - on: emptyOn, - tween: emptyTween, - time: timing.time, - delay: timing.delay, - duration: timing.duration, - ease: timing.ease, - timer: null, - state: CREATED - }); - } - - function init(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id]) || schedule.state > CREATED) throw new Error("too late"); - return schedule; - } - - function set$2(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id]) || schedule.state > STARTING) throw new Error("too late"); - return schedule; - } - - function get$1(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id])) throw new Error("too late"); - return schedule; - } - - function create(node, id, self) { - var schedules = node.__transition, - tween; - - // Initialize the self timer when the transition is created. - // Note the actual delay is not known until the first callback! - schedules[id] = self; - self.timer = timer(schedule, 0, self.time); - - // If the delay is greater than this first sleep, sleep some more; - // otherwise, start immediately. - function schedule(elapsed) { - self.state = SCHEDULED; - if (self.delay <= elapsed) start(elapsed - self.delay); - else self.timer.restart(start, self.delay, self.time); - } - - function start(elapsed) { - var i, j, n, o; - - for (i in schedules) { - o = schedules[i]; - if (o.name !== self.name) continue; - - // Interrupt the active transition, if any. - // Dispatch the interrupt event. - if (o.state === STARTED) { - o.state = ENDED; - o.timer.stop(); - o.on.call("interrupt", node, node.__data__, o.index, o.group); - delete schedules[i]; - } - - // Cancel any pre-empted transitions. No interrupt event is dispatched - // because the cancelled transitions never started. Note that this also - // removes this transition from the pending list! - else if (+i < id) { - o.state = ENDED; - o.timer.stop(); - delete schedules[i]; - } - } - - // Defer the first tick to end of the current frame; see mbostock/d3#1576. - // Note the transition may be canceled after start and before the first tick! - // Note this must be scheduled before the start event; see d3/d3-transition#16! - // Assuming this is successful, subsequent callbacks go straight to tick. - timeout$1(function() { - if (self.state === STARTED) { - self.timer.restart(tick, self.delay, self.time); - tick(elapsed); - } - }); - - // Dispatch the start event. - // Note this must be done before the tween are initialized. - self.state = STARTING; - self.on.call("start", node, node.__data__, self.index, self.group); - if (self.state !== STARTING) return; // interrupted - self.state = STARTED; - - // Initialize the tween, deleting null tween. - tween = new Array(n = self.tween.length); - for (i = 0, j = -1; i < n; ++i) { - if (o = self.tween[i].value.call(node, node.__data__, self.index, self.group)) { - tween[++j] = o; - } - } - tween.length = j + 1; - } - - function tick(elapsed) { - var t = elapsed < self.duration ? self.ease.call(null, elapsed / self.duration) : (self.state = ENDING, 1), - i = -1, - n = tween.length; - - while (++i < n) { - tween[i].call(null, t); - } - - // Dispatch the end event. - if (self.state === ENDING) { - self.state = ENDED; - self.timer.stop(); - self.on.call("end", node, node.__data__, self.index, self.group); - for (i in schedules) if (+i !== id) return void delete schedules[id]; - delete node.__transition; - } - } - } - - function interrupt(node, name) { - var schedules = node.__transition, - schedule, - active, - empty = true, - i; - - if (!schedules) return; - - name = name == null ? null : name + ""; - - for (i in schedules) { - if ((schedule = schedules[i]).name !== name) { empty = false; continue; } - active = schedule.state === STARTED; - schedule.state = ENDED; - schedule.timer.stop(); - if (active) schedule.on.call("interrupt", node, node.__data__, schedule.index, schedule.group); - delete schedules[i]; - } - - if (empty) delete node.__transition; - } - - function selection_interrupt(name) { - return this.each(function() { - interrupt(this, name); - }); - } - - function tweenRemove(id, name) { - var tween0, tween1; - return function() { - var schedule = set$2(this, id), - tween = schedule.tween; - - // If this node shared tween with the previous node, - // just assign the updated shared tween and we’re done! - // Otherwise, copy-on-write. - if (tween !== tween0) { - tween1 = tween0 = tween; - for (var i = 0, n = tween1.length; i < n; ++i) { - if (tween1[i].name === name) { - tween1 = tween1.slice(); - tween1.splice(i, 1); - break; - } - } - } - - schedule.tween = tween1; - }; - } - - function tweenFunction(id, name, value) { - var tween0, tween1; - if (typeof value !== "function") throw new Error; - return function() { - var schedule = set$2(this, id), - tween = schedule.tween; - - // If this node shared tween with the previous node, - // just assign the updated shared tween and we’re done! - // Otherwise, copy-on-write. - if (tween !== tween0) { - tween1 = (tween0 = tween).slice(); - for (var t = {name: name, value: value}, i = 0, n = tween1.length; i < n; ++i) { - if (tween1[i].name === name) { - tween1[i] = t; - break; - } - } - if (i === n) tween1.push(t); - } - - schedule.tween = tween1; - }; - } - - function transition_tween(name, value) { - var id = this._id; - - name += ""; - - if (arguments.length < 2) { - var tween = get$1(this.node(), id).tween; - for (var i = 0, n = tween.length, t; i < n; ++i) { - if ((t = tween[i]).name === name) { - return t.value; - } - } - return null; - } - - return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); - } - - function tweenValue(transition, name, value) { - var id = transition._id; - - transition.each(function() { - var schedule = set$2(this, id); - (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); - }); - - return function(node) { - return get$1(node, id).value[name]; - }; - } - - function interpolate$1(a, b) { - var c; - return (typeof b === "number" ? interpolateNumber - : b instanceof color ? interpolateRgb - : (c = color(b)) ? (b = c, interpolateRgb) - : interpolateString)(a, b); - } - - function attrRemove$1(name) { - return function() { - this.removeAttribute(name); - }; - } - - function attrRemoveNS$1(fullname) { - return function() { - this.removeAttributeNS(fullname.space, fullname.local); - }; - } - - function attrConstant$1(name, interpolate, value1) { - var value00, - interpolate0; - return function() { - var value0 = this.getAttribute(name); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate(value00 = value0, value1); - }; - } - - function attrConstantNS$1(fullname, interpolate, value1) { - var value00, - interpolate0; - return function() { - var value0 = this.getAttributeNS(fullname.space, fullname.local); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate(value00 = value0, value1); - }; - } - - function attrFunction$1(name, interpolate, value) { - var value00, - value10, - interpolate0; - return function() { - var value0, value1 = value(this); - if (value1 == null) return void this.removeAttribute(name); - value0 = this.getAttribute(name); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate(value00 = value0, value10 = value1); - }; - } - - function attrFunctionNS$1(fullname, interpolate, value) { - var value00, - value10, - interpolate0; - return function() { - var value0, value1 = value(this); - if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local); - value0 = this.getAttributeNS(fullname.space, fullname.local); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate(value00 = value0, value10 = value1); - }; - } - - function transition_attr(name, value) { - var fullname = namespace(name), i = fullname === "transform" ? interpolateTransform$2 : interpolate$1; - return this.attrTween(name, typeof value === "function" - ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) - : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) - : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); - } - - function attrTweenNS(fullname, value) { - function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.setAttributeNS(fullname.space, fullname.local, i(t)); - }; - } - tween._value = value; - return tween; - } - - function attrTween(name, value) { - function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.setAttribute(name, i(t)); - }; - } - tween._value = value; - return tween; - } - - function transition_attrTween(name, value) { - var key = "attr." + name; - if (arguments.length < 2) return (key = this.tween(key)) && key._value; - if (value == null) return this.tween(key, null); - if (typeof value !== "function") throw new Error; - var fullname = namespace(name); - return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value)); - } - - function delayFunction(id, value) { - return function() { - init(this, id).delay = +value.apply(this, arguments); - }; - } - - function delayConstant(id, value) { - return value = +value, function() { - init(this, id).delay = value; - }; - } - - function transition_delay(value) { - var id = this._id; - - return arguments.length - ? this.each((typeof value === "function" - ? delayFunction - : delayConstant)(id, value)) - : get$1(this.node(), id).delay; - } - - function durationFunction(id, value) { - return function() { - set$2(this, id).duration = +value.apply(this, arguments); - }; - } - - function durationConstant(id, value) { - return value = +value, function() { - set$2(this, id).duration = value; - }; - } - - function transition_duration(value) { - var id = this._id; - - return arguments.length - ? this.each((typeof value === "function" - ? durationFunction - : durationConstant)(id, value)) - : get$1(this.node(), id).duration; - } - - function easeConstant(id, value) { - if (typeof value !== "function") throw new Error; - return function() { - set$2(this, id).ease = value; - }; - } - - function transition_ease(value) { - var id = this._id; - - return arguments.length - ? this.each(easeConstant(id, value)) - : get$1(this.node(), id).ease; - } - - function transition_filter(match) { - if (typeof match !== "function") match = matcher$1(match); - - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { - if ((node = group[i]) && match.call(node, node.__data__, i, group)) { - subgroup.push(node); - } - } - } - - return new Transition(subgroups, this._parents, this._name, this._id); - } - - function transition_merge(transition) { - if (transition._id !== this._id) throw new Error; - - for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { - for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group0[i] || group1[i]) { - merge[i] = node; - } - } - } - - for (; j < m0; ++j) { - merges[j] = groups0[j]; - } - - return new Transition(merges, this._parents, this._name, this._id); - } - - function start$1(name) { - return (name + "").trim().split(/^|\s+/).every(function(t) { - var i = t.indexOf("."); - if (i >= 0) t = t.slice(0, i); - return !t || t === "start"; - }); - } - - function onFunction(id, name, listener) { - var on0, on1, sit = start$1(name) ? init : set$2; - return function() { - var schedule = sit(this, id), - on = schedule.on; - - // If this node shared a dispatch with the previous node, - // just assign the updated shared dispatch and we’re done! - // Otherwise, copy-on-write. - if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener); - - schedule.on = on1; - }; - } - - function transition_on(name, listener) { - var id = this._id; - - return arguments.length < 2 - ? get$1(this.node(), id).on.on(name) - : this.each(onFunction(id, name, listener)); - } - - function removeFunction(id) { - return function() { - var parent = this.parentNode; - for (var i in this.__transition) if (+i !== id) return; - if (parent) parent.removeChild(this); - }; - } - - function transition_remove() { - return this.on("end.remove", removeFunction(this._id)); - } - - function transition_select(select) { - var name = this._name, - id = this._id; - - if (typeof select !== "function") select = selector(select); - - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { - if ("__data__" in node) subnode.__data__ = node.__data__; - subgroup[i] = subnode; - schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); - } - } - } - - return new Transition(subgroups, this._parents, name, id); - } - - function transition_selectAll(select) { - var name = this._name, - id = this._id; - - if (typeof select !== "function") select = selectorAll(select); - - for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - for (var children = select.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { - if (child = children[k]) { - schedule(child, name, id, k, children, inherit); - } - } - subgroups.push(children); - parents.push(node); - } - } - } - - return new Transition(subgroups, parents, name, id); - } - - var Selection$1 = selection.prototype.constructor; - - function transition_selection() { - return new Selection$1(this._groups, this._parents); - } - - function styleRemove$1(name, interpolate) { - var value00, - value10, - interpolate0; - return function() { - var style = window(this).getComputedStyle(this, null), - value0 = style.getPropertyValue(name), - value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate(value00 = value0, value10 = value1); - }; - } - - function styleRemoveEnd(name) { - return function() { - this.style.removeProperty(name); - }; - } - - function styleConstant$1(name, interpolate, value1) { - var value00, - interpolate0; - return function() { - var value0 = window(this).getComputedStyle(this, null).getPropertyValue(name); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate(value00 = value0, value1); - }; - } - - function styleFunction$1(name, interpolate, value) { - var value00, - value10, - interpolate0; - return function() { - var style = window(this).getComputedStyle(this, null), - value0 = style.getPropertyValue(name), - value1 = value(this); - if (value1 == null) value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate(value00 = value0, value10 = value1); - }; - } - - function transition_style(name, value, priority) { - var i = (name += "") === "transform" ? interpolateTransform$1 : interpolate$1; - return value == null ? this - .styleTween(name, styleRemove$1(name, i)) - .on("end.style." + name, styleRemoveEnd(name)) - : this.styleTween(name, typeof value === "function" - ? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) - : styleConstant$1(name, i, value), priority); - } - - function styleTween(name, value, priority) { - function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.style.setProperty(name, i(t), priority); - }; - } - tween._value = value; - return tween; - } - - function transition_styleTween(name, value, priority) { - var key = "style." + (name += ""); - if (arguments.length < 2) return (key = this.tween(key)) && key._value; - if (value == null) return this.tween(key, null); - if (typeof value !== "function") throw new Error; - return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); - } - - function textConstant$1(value) { - return function() { - this.textContent = value; - }; - } - - function textFunction$1(value) { - return function() { - var value1 = value(this); - this.textContent = value1 == null ? "" : value1; - }; - } - - function transition_text(value) { - return this.tween("text", typeof value === "function" - ? textFunction$1(tweenValue(this, "text", value)) - : textConstant$1(value == null ? "" : value + "")); - } - - function transition_transition() { - var name = this._name, - id0 = this._id, - id1 = newId(); - - for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - var inherit = get$1(node, id0); - schedule(node, name, id1, i, group, { - time: inherit.time + inherit.delay + inherit.duration, - delay: 0, - duration: inherit.duration, - ease: inherit.ease - }); - } - } - } - - return new Transition(groups, this._parents, name, id1); - } - - var id = 0; - - function Transition(groups, parents, name, id) { - this._groups = groups; - this._parents = parents; - this._name = name; - this._id = id; - } - - function transition(name) { - return selection().transition(name); - } - - function newId() { - return ++id; - } - - var selection_prototype = selection.prototype; - - Transition.prototype = transition.prototype = { - constructor: Transition, - select: transition_select, - selectAll: transition_selectAll, - filter: transition_filter, - merge: transition_merge, - selection: transition_selection, - transition: transition_transition, - call: selection_prototype.call, - nodes: selection_prototype.nodes, - node: selection_prototype.node, - size: selection_prototype.size, - empty: selection_prototype.empty, - each: selection_prototype.each, - on: transition_on, - attr: transition_attr, - attrTween: transition_attrTween, - style: transition_style, - styleTween: transition_styleTween, - text: transition_text, - remove: transition_remove, - tween: transition_tween, - delay: transition_delay, - duration: transition_duration, - ease: transition_ease - }; - - var defaultTiming = { - time: null, // Set on use. - delay: 0, - duration: 250, - ease: easeCubicInOut - }; - - function inherit(node, id) { - var timing; - while (!(timing = node.__transition) || !(timing = timing[id])) { - if (!(node = node.parentNode)) { - return defaultTiming.time = now(), defaultTiming; - } - } - return timing; - } - - function selection_transition(name) { - var id, - timing; - - if (name instanceof Transition) { - id = name._id, name = name._name; - } else { - id = newId(), (timing = defaultTiming).time = now(), name = name == null ? null : name + ""; - } - - for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - schedule(node, name, id, i, group, timing || inherit(node, id)); - } - } - } - - return new Transition(groups, this._parents, name, id); - } - - selection.prototype.interrupt = selection_interrupt; - selection.prototype.transition = selection_transition; - - var root$1 = [null]; - - function active(node, name) { - var schedules = node.__transition, - schedule, - i; - - if (schedules) { - name = name == null ? null : name + ""; - for (i in schedules) { - if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { - return new Transition([[node]], root$1, name, +i); - } - } - } - - return null; - } - - var slice$4 = Array.prototype.slice; - - function identity$5(x) { - return x; - } - - var top = 1; - var right = 2; - var bottom = 3; - var left = 4; -var epsilon$2 = 1e-6; - function translateX(scale0, scale1, d) { - var x = scale0(d); - return "translate(" + (isFinite(x) ? x : scale1(d)) + ",0)"; - } - - function translateY(scale0, scale1, d) { - var y = scale0(d); - return "translate(0," + (isFinite(y) ? y : scale1(d)) + ")"; - } - - function center(scale) { - var offset = scale.bandwidth() / 2; - if (scale.round()) offset = Math.round(offset); - return function(d) { - return scale(d) + offset; - }; - } - - function entering() { - return !this.__axis; - } - - function axis(orient, scale) { - var tickArguments = [], - tickValues = null, - tickFormat = null, - tickSizeInner = 6, - tickSizeOuter = 6, - tickPadding = 3; - - function axis(context) { - var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues, - format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$5) : tickFormat, - spacing = Math.max(tickSizeInner, 0) + tickPadding, - transform = orient === top || orient === bottom ? translateX : translateY, - range = scale.range(), - range0 = range[0] + 0.5, - range1 = range[range.length - 1] + 0.5, - position = (scale.bandwidth ? center : identity$5)(scale.copy()), - selection = context.selection ? context.selection() : context, - path = selection.selectAll(".domain").data([null]), - tick = selection.selectAll(".tick").data(values, scale).order(), - tickExit = tick.exit(), - tickEnter = tick.enter().append("g").attr("class", "tick"), - line = tick.select("line"), - text = tick.select("text"), - k = orient === top || orient === left ? -1 : 1, - x, y = orient === left || orient === right ? (x = "x", "y") : (x = "y", "x"); - - path = path.merge(path.enter().insert("path", ".tick") - .attr("class", "domain") - .attr("stroke", "#000")); - - tick = tick.merge(tickEnter); - - line = line.merge(tickEnter.append("line") - .attr("stroke", "#000") - .attr(x + "2", k * tickSizeInner) - .attr(y + "1", 0.5) - .attr(y + "2", 0.5)); - - text = text.merge(tickEnter.append("text") - .attr("fill", "#000") - .attr(x, k * spacing) - .attr(y, 0.5) - .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); - - if (context !== selection) { - path = path.transition(context); - tick = tick.transition(context); - line = line.transition(context); - text = text.transition(context); - - tickExit = tickExit.transition(context) - .attr("opacity", epsilon$2) - .attr("transform", function(d) { return transform(position, this.parentNode.__axis || position, d); }); - - tickEnter - .attr("opacity", epsilon$2) - .attr("transform", function(d) { return transform(this.parentNode.__axis || position, position, d); }); - } - - tickExit.remove(); - - path - .attr("d", orient === left || orient == right - ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter - : "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter); - - tick - .attr("opacity", 1) - .attr("transform", function(d) { return transform(position, position, d); }); - - line - .attr(x + "2", k * tickSizeInner); - - text - .attr(x, k * spacing) - .text(format); - - selection.filter(entering) - .attr("fill", "none") - .attr("font-size", 10) - .attr("font-family", "sans-serif") - .attr("text-anchor", orient === right ? "start" : orient === left ? "end" : "middle"); - - selection - .each(function() { this.__axis = position; }); - } - - axis.scale = function(_) { - return arguments.length ? (scale = _, axis) : scale; - }; - - axis.ticks = function() { - return tickArguments = slice$4.call(arguments), axis; - }; - - axis.tickArguments = function(_) { - return arguments.length ? (tickArguments = _ == null ? [] : slice$4.call(_), axis) : tickArguments.slice(); - }; - - axis.tickValues = function(_) { - return arguments.length ? (tickValues = _ == null ? null : slice$4.call(_), axis) : tickValues && tickValues.slice(); - }; - - axis.tickFormat = function(_) { - return arguments.length ? (tickFormat = _, axis) : tickFormat; - }; - - axis.tickSize = function(_) { - return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner; - }; - - axis.tickSizeInner = function(_) { - return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner; - }; - - axis.tickSizeOuter = function(_) { - return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter; - }; - - axis.tickPadding = function(_) { - return arguments.length ? (tickPadding = +_, axis) : tickPadding; - }; - - return axis; - } - - function axisTop(scale) { - return axis(top, scale); - } - - function axisRight(scale) { - return axis(right, scale); - } - - function axisBottom(scale) { - return axis(bottom, scale); - } - - function axisLeft(scale) { - return axis(left, scale); - } - - function defaultSeparation(a, b) { - return a.parent === b.parent ? 1 : 2; - } - - function meanX(children) { - return children.reduce(meanXReduce, 0) / children.length; - } - - function meanXReduce(x, c) { - return x + c.x; - } - - function maxY(children) { - return 1 + children.reduce(maxYReduce, 0); - } - - function maxYReduce(y, c) { - return Math.max(y, c.y); - } - - function leafLeft(node) { - var children; - while (children = node.children) node = children[0]; - return node; - } - - function leafRight(node) { - var children; - while (children = node.children) node = children[children.length - 1]; - return node; - } - - function cluster() { - var separation = defaultSeparation, - dx = 1, - dy = 1, - nodeSize = false; - - function cluster(root) { - var previousNode, - x = 0; - - // First walk, computing the initial x & y values. - root.eachAfter(function(node) { - var children = node.children; - if (children) { - node.x = meanX(children); - node.y = maxY(children); - } else { - node.x = previousNode ? x += separation(node, previousNode) : 0; - node.y = 0; - previousNode = node; - } - }); - - var left = leafLeft(root), - right = leafRight(root), - x0 = left.x - separation(left, right) / 2, - x1 = right.x + separation(right, left) / 2; - - // Second walk, normalizing x & y to the desired size. - return root.eachAfter(nodeSize ? function(node) { - node.x = (node.x - root.x) * dx; - node.y = (root.y - node.y) * dy; - } : function(node) { - node.x = (node.x - x0) / (x1 - x0) * dx; - node.y = (1 - (root.y ? node.y / root.y : 1)) * dy; - }); - } - - cluster.separation = function(x) { - return arguments.length ? (separation = x, cluster) : separation; - }; - - cluster.size = function(x) { - return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? null : [dx, dy]); - }; - - cluster.nodeSize = function(x) { - return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? [dx, dy] : null); - }; - - return cluster; - } - - function node_each(callback) { - var node = this, current, next = [node], children, i, n; - do { - current = next.reverse(), next = []; - while (node = current.pop()) { - callback(node), children = node.children; - if (children) for (i = 0, n = children.length; i < n; ++i) { - next.push(children[i]); - } - } - } while (next.length); - return this; - } - - function node_eachBefore(callback) { - var node = this, nodes = [node], children, i; - while (node = nodes.pop()) { - callback(node), children = node.children; - if (children) for (i = children.length - 1; i >= 0; --i) { - nodes.push(children[i]); - } - } - return this; - } - - function node_eachAfter(callback) { - var node = this, nodes = [node], next = [], children, i, n; - while (node = nodes.pop()) { - next.push(node), children = node.children; - if (children) for (i = 0, n = children.length; i < n; ++i) { - nodes.push(children[i]); - } - } - while (node = next.pop()) { - callback(node); - } - return this; - } - - function node_sum(value) { - return this.eachAfter(function(node) { - var sum = +value(node.data) || 0, - children = node.children, - i = children && children.length; - while (--i >= 0) sum += children[i].value; - node.value = sum; - }); - } - - function node_sort(compare) { - return this.eachBefore(function(node) { - if (node.children) { - node.children.sort(compare); - } - }); - } - - function node_path(end) { - var start = this, - ancestor = leastCommonAncestor(start, end), - nodes = [start]; - while (start !== ancestor) { - start = start.parent; - nodes.push(start); - } - var k = nodes.length; - while (end !== ancestor) { - nodes.splice(k, 0, end); - end = end.parent; - } - return nodes; - } - - function leastCommonAncestor(a, b) { - if (a === b) return a; - var aNodes = a.ancestors(), - bNodes = b.ancestors(), - c = null; - a = aNodes.pop(); - b = bNodes.pop(); - while (a === b) { - c = a; - a = aNodes.pop(); - b = bNodes.pop(); - } - return c; - } - - function node_ancestors() { - var node = this, nodes = [node]; - while (node = node.parent) { - nodes.push(node); - } - return nodes; - } - - function node_descendants() { - var nodes = []; - this.each(function(node) { - nodes.push(node); - }); - return nodes; - } - - function node_leaves() { - var leaves = []; - this.eachBefore(function(node) { - if (!node.children) { - leaves.push(node); - } - }); - return leaves; - } - - function node_links() { - var root = this, links = []; - root.each(function(node) { - if (node !== root) { // Don’t include the root’s parent, if any. - links.push({source: node.parent, target: node}); - } - }); - return links; - } - - function hierarchy(data, children) { - var root = new Node(data), - valued = +data.value && (root.value = data.value), - node, - nodes = [root], - child, - childs, - i, - n; - - if (children == null) children = defaultChildren; - - while (node = nodes.pop()) { - if (valued) node.value = +node.data.value; - if ((childs = children(node.data)) && (n = childs.length)) { - node.children = new Array(n); - for (i = n - 1; i >= 0; --i) { - nodes.push(child = node.children[i] = new Node(childs[i])); - child.parent = node; - child.depth = node.depth + 1; - } - } - } - - return root.eachBefore(computeHeight); - } - - function node_copy() { - return hierarchy(this).eachBefore(copyData); - } - - function defaultChildren(d) { - return d.children; - } - - function copyData(node) { - node.data = node.data.data; - } - - function computeHeight(node) { - var height = 0; - do node.height = height; - while ((node = node.parent) && (node.height < ++height)); - } - - function Node(data) { - this.data = data; - this.depth = - this.height = 0; - this.parent = null; - } - - Node.prototype = hierarchy.prototype = { - constructor: Node, - each: node_each, - eachAfter: node_eachAfter, - eachBefore: node_eachBefore, - sum: node_sum, - sort: node_sort, - path: node_path, - ancestors: node_ancestors, - descendants: node_descendants, - leaves: node_leaves, - links: node_links, - copy: node_copy - }; - - function Node$2(value) { - this._ = value; - this.next = null; - } - - function shuffle$1(array) { - var i, - n = (array = array.slice()).length, - head = null, - node = head; - - while (n) { - var next = new Node$2(array[n - 1]); - if (node) node = node.next = next; - else node = head = next; - array[i] = array[--n]; - } - - return { - head: head, - tail: node - }; - } - - function enclose(circles) { - return encloseN(shuffle$1(circles), []); - } - - function encloses(a, b) { - var dx = b.x - a.x, - dy = b.y - a.y, - dr = a.r - b.r; - return dr * dr + 1e-6 > dx * dx + dy * dy; - } - - // Returns the smallest circle that contains circles L and intersects circles B. - function encloseN(L, B) { - var circle, - l0 = null, - l1 = L.head, - l2, - p1; - - switch (B.length) { - case 1: circle = enclose1(B[0]); break; - case 2: circle = enclose2(B[0], B[1]); break; - case 3: circle = enclose3(B[0], B[1], B[2]); break; - } - - while (l1) { - p1 = l1._, l2 = l1.next; - if (!circle || !encloses(circle, p1)) { - - // Temporarily truncate L before l1. - if (l0) L.tail = l0, l0.next = null; - else L.head = L.tail = null; - - B.push(p1); - circle = encloseN(L, B); // Note: reorders L! - B.pop(); - - // Move l1 to the front of L and reconnect the truncated list L. - if (L.head) l1.next = L.head, L.head = l1; - else l1.next = null, L.head = L.tail = l1; - l0 = L.tail, l0.next = l2; - - } else { - l0 = l1; - } - l1 = l2; - } - - L.tail = l0; - return circle; - } - - function enclose1(a) { - return { - x: a.x, - y: a.y, - r: a.r - }; - } - - function enclose2(a, b) { - var x1 = a.x, y1 = a.y, r1 = a.r, - x2 = b.x, y2 = b.y, r2 = b.r, - x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1, - l = Math.sqrt(x21 * x21 + y21 * y21); - return { - x: (x1 + x2 + x21 / l * r21) / 2, - y: (y1 + y2 + y21 / l * r21) / 2, - r: (l + r1 + r2) / 2 - }; - } - - function enclose3(a, b, c) { - var x1 = a.x, y1 = a.y, r1 = a.r, - x2 = b.x, y2 = b.y, r2 = b.r, - x3 = c.x, y3 = c.y, r3 = c.r, - a2 = 2 * (x1 - x2), - b2 = 2 * (y1 - y2), - c2 = 2 * (r2 - r1), - d2 = x1 * x1 + y1 * y1 - r1 * r1 - x2 * x2 - y2 * y2 + r2 * r2, - a3 = 2 * (x1 - x3), - b3 = 2 * (y1 - y3), - c3 = 2 * (r3 - r1), - d3 = x1 * x1 + y1 * y1 - r1 * r1 - x3 * x3 - y3 * y3 + r3 * r3, - ab = a3 * b2 - a2 * b3, - xa = (b2 * d3 - b3 * d2) / ab - x1, - xb = (b3 * c2 - b2 * c3) / ab, - ya = (a3 * d2 - a2 * d3) / ab - y1, - yb = (a2 * c3 - a3 * c2) / ab, - A = xb * xb + yb * yb - 1, - B = 2 * (xa * xb + ya * yb + r1), - C = xa * xa + ya * ya - r1 * r1, - r = (-B - Math.sqrt(B * B - 4 * A * C)) / (2 * A); - return { - x: xa + xb * r + x1, - y: ya + yb * r + y1, - r: r - }; - } - - function place(a, b, c) { - var ax = a.x, - ay = a.y, - da = b.r + c.r, - db = a.r + c.r, - dx = b.x - ax, - dy = b.y - ay, - dc = dx * dx + dy * dy; - if (dc) { - var x = 0.5 + ((db *= db) - (da *= da)) / (2 * dc), - y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); - c.x = ax + x * dx + y * dy; - c.y = ay + x * dy - y * dx; - } else { - c.x = ax + db; - c.y = ay; - } - } - - function intersects(a, b) { - var dx = b.x - a.x, - dy = b.y - a.y, - dr = a.r + b.r; - return dr * dr > dx * dx + dy * dy; - } - - function distance2(circle, x, y) { - var dx = circle.x - x, - dy = circle.y - y; - return dx * dx + dy * dy; - } - - function Node$1(circle) { - this._ = circle; - this.next = null; - this.previous = null; - } - - function packEnclose(circles) { - if (!(n = circles.length)) return 0; - - var a, b, c, n; - - // Place the first circle. - a = circles[0], a.x = 0, a.y = 0; - if (!(n > 1)) return a.r; - - // Place the second circle. - b = circles[1], a.x = -b.r, b.x = a.r, b.y = 0; - if (!(n > 2)) return a.r + b.r; - - // Place the third circle. - place(b, a, c = circles[2]); - - // Initialize the weighted centroid. - var aa = a.r * a.r, - ba = b.r * b.r, - ca = c.r * c.r, - oa = aa + ba + ca, - ox = aa * a.x + ba * b.x + ca * c.x, - oy = aa * a.y + ba * b.y + ca * c.y, - cx, cy, i, j, k, sj, sk; - - // Initialize the front-chain using the first three circles a, b and c. - a = new Node$1(a), b = new Node$1(b), c = new Node$1(c); - a.next = c.previous = b; - b.next = a.previous = c; - c.next = b.previous = a; - - // Attempt to place each remaining circle… - pack: for (i = 3; i < n; ++i) { - place(a._, b._, c = circles[i]), c = new Node$1(c); - - // If there are only three elements in the front-chain… - if ((k = a.previous) === (j = b.next)) { - // If the new circle intersects the third circle, - // rotate the front chain to try the next position. - if (intersects(j._, c._)) { - a = b, b = j, --i; - continue pack; - } - } - - // Find the closest intersecting circle on the front-chain, if any. - else { - sj = j._.r, sk = k._.r; - do { - if (sj <= sk) { - if (intersects(j._, c._)) { - b = j, a.next = b, b.previous = a, --i; - continue pack; - } - j = j.next, sj += j._.r; - } else { - if (intersects(k._, c._)) { - a = k, a.next = b, b.previous = a, --i; - continue pack; - } - k = k.previous, sk += k._.r; - } - } while (j !== k.next); - } - - // Success! Insert the new circle c between a and b. - c.previous = a, c.next = b, a.next = b.previous = b = c; - - // Update the weighted centroid. - oa += ca = c._.r * c._.r; - ox += ca * c._.x; - oy += ca * c._.y; - - // Compute the new closest circle a to centroid. - aa = distance2(a._, cx = ox / oa, cy = oy / oa); - while ((c = c.next) !== b) { - if ((ca = distance2(c._, cx, cy)) < aa) { - a = c, aa = ca; - } - } - b = a.next; - } - - // Compute the enclosing circle of the front chain. - a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a); - - // Translate the circles to put the enclosing circle around the origin. - for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y; - - return c.r; - } - - function siblings(circles) { - packEnclose(circles); - return circles; - } - - function optional(f) { - return f == null ? null : required(f); - } - - function required(f) { - if (typeof f !== "function") throw new Error; - return f; - } - - function constantZero() { - return 0; - } - - function constant$5(x) { - return function() { - return x; - }; - } - - function defaultRadius(d) { - return Math.sqrt(d.value); - } - - function index() { - var radius = null, - dx = 1, - dy = 1, - padding = constantZero; - - function pack(root) { - root.x = dx / 2, root.y = dy / 2; - if (radius) { - root.eachBefore(radiusLeaf(radius)) - .eachAfter(packChildren(padding, 0.5)) - .eachBefore(translateChild(1)); - } else { - root.eachBefore(radiusLeaf(defaultRadius)) - .eachAfter(packChildren(constantZero, 1)) - .eachAfter(packChildren(padding, root.r / Math.min(dx, dy))) - .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r))); - } - return root; - } - - pack.radius = function(x) { - return arguments.length ? (radius = optional(x), pack) : radius; - }; - - pack.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], pack) : [dx, dy]; - }; - - pack.padding = function(x) { - return arguments.length ? (padding = typeof x === "function" ? x : constant$5(+x), pack) : padding; - }; - - return pack; - } - - function radiusLeaf(radius) { - return function(node) { - if (!node.children) { - node.r = Math.max(0, +radius(node) || 0); - } - }; - } - - function packChildren(padding, k) { - return function(node) { - if (children = node.children) { - var children, - i, - n = children.length, - r = padding(node) * k || 0, - e; - - if (r) for (i = 0; i < n; ++i) children[i].r += r; - e = packEnclose(children); - if (r) for (i = 0; i < n; ++i) children[i].r -= r; - node.r = e + r; - } - }; - } - - function translateChild(k) { - return function(node) { - var parent = node.parent; - node.r *= k; - if (parent) { - node.x = parent.x + k * node.x; - node.y = parent.y + k * node.y; - } - }; - } - - function roundNode(node) { - node.x0 = Math.round(node.x0); - node.y0 = Math.round(node.y0); - node.x1 = Math.round(node.x1); - node.y1 = Math.round(node.y1); - } - - function treemapDice(parent, x0, y0, x1, y1) { - var nodes = parent.children, - node, - i = -1, - n = nodes.length, - k = parent.value && (x1 - x0) / parent.value; - - while (++i < n) { - node = nodes[i], node.y0 = y0, node.y1 = y1; - node.x0 = x0, node.x1 = x0 += node.value * k; - } - } - - function partition() { - var dx = 1, - dy = 1, - padding = 0, - round = false; - - function partition(root) { - var n = root.height + 1; - root.x0 = - root.y0 = padding; - root.x1 = dx; - root.y1 = dy / n; - root.eachBefore(positionNode(dy, n)); - if (round) root.eachBefore(roundNode); - return root; - } - - function positionNode(dy, n) { - return function(node) { - if (node.children) { - treemapDice(node, node.x0, dy * (node.depth + 1) / n, node.x1, dy * (node.depth + 2) / n); - } - var x0 = node.x0, - y0 = node.y0, - x1 = node.x1 - padding, - y1 = node.y1 - padding; - if (x1 < x0) x0 = x1 = (x0 + x1) / 2; - if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - node.x0 = x0; - node.y0 = y0; - node.x1 = x1; - node.y1 = y1; - }; - } - - partition.round = function(x) { - return arguments.length ? (round = !!x, partition) : round; - }; - - partition.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], partition) : [dx, dy]; - }; - - partition.padding = function(x) { - return arguments.length ? (padding = +x, partition) : padding; - }; - - return partition; - } - -var keyPrefix$1 = "$"; - var preroot = {depth: -1}; - var ambiguous = {}; - function defaultId(d) { - return d.id; - } - - function defaultParentId(d) { - return d.parentId; - } - - function stratify() { - var id = defaultId, - parentId = defaultParentId; - - function stratify(data) { - var d, - i, - n = data.length, - root, - parent, - node, - nodes = new Array(n), - nodeId, - nodeKey, - nodeByKey = {}; - - for (i = 0; i < n; ++i) { - d = data[i], node = nodes[i] = new Node(d); - if ((nodeId = id(d, i, data)) != null && (nodeId += "")) { - nodeKey = keyPrefix$1 + (node.id = nodeId); - nodeByKey[nodeKey] = nodeKey in nodeByKey ? ambiguous : node; - } - } - - for (i = 0; i < n; ++i) { - node = nodes[i], nodeId = parentId(data[i], i, data); - if (nodeId == null || !(nodeId += "")) { - if (root) throw new Error("multiple roots"); - root = node; - } else { - parent = nodeByKey[keyPrefix$1 + nodeId]; - if (!parent) throw new Error("missing: " + nodeId); - if (parent === ambiguous) throw new Error("ambiguous: " + nodeId); - if (parent.children) parent.children.push(node); - else parent.children = [node]; - node.parent = parent; - } - } - - if (!root) throw new Error("no root"); - root.parent = preroot; - root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight); - root.parent = null; - if (n > 0) throw new Error("cycle"); - - return root; - } - - stratify.id = function(x) { - return arguments.length ? (id = required(x), stratify) : id; - }; - - stratify.parentId = function(x) { - return arguments.length ? (parentId = required(x), stratify) : parentId; - }; - - return stratify; - } - - function defaultSeparation$1(a, b) { - return a.parent === b.parent ? 1 : 2; - } - - // function radialSeparation(a, b) { - // return (a.parent === b.parent ? 1 : 2) / a.depth; - // } - - // This function is used to traverse the left contour of a subtree (or - // subforest). It returns the successor of v on this contour. This successor is - // either given by the leftmost child of v or by the thread of v. The function - // returns null if and only if v is on the highest level of its subtree. - function nextLeft(v) { - var children = v.children; - return children ? children[0] : v.t; - } - - // This function works analogously to nextLeft. - function nextRight(v) { - var children = v.children; - return children ? children[children.length - 1] : v.t; - } - - // Shifts the current subtree rooted at w+. This is done by increasing - // prelim(w+) and mod(w+) by shift. - function moveSubtree(wm, wp, shift) { - var change = shift / (wp.i - wm.i); - wp.c -= change; - wp.s += shift; - wm.c += change; - wp.z += shift; - wp.m += shift; - } - - // All other shifts, applied to the smaller subtrees between w- and w+, are - // performed by this function. To prepare the shifts, we have to adjust - // change(w+), shift(w+), and change(w-). - function executeShifts(v) { - var shift = 0, - change = 0, - children = v.children, - i = children.length, - w; - while (--i >= 0) { - w = children[i]; - w.z += shift; - w.m += shift; - shift += w.s + (change += w.c); - } - } - - // If vi-’s ancestor is a sibling of v, returns vi-’s ancestor. Otherwise, - // returns the specified (default) ancestor. - function nextAncestor(vim, v, ancestor) { - return vim.a.parent === v.parent ? vim.a : ancestor; - } - - function TreeNode(node, i) { - this._ = node; - this.parent = null; - this.children = null; - this.A = null; // default ancestor - this.a = this; // ancestor - this.z = 0; // prelim - this.m = 0; // mod - this.c = 0; // change - this.s = 0; // shift - this.t = null; // thread - this.i = i; // number - } - - TreeNode.prototype = Object.create(Node.prototype); - - function treeRoot(root) { - var tree = new TreeNode(root, 0), - node, - nodes = [tree], - child, - children, - i, - n; - - while (node = nodes.pop()) { - if (children = node._.children) { - node.children = new Array(n = children.length); - for (i = n - 1; i >= 0; --i) { - nodes.push(child = node.children[i] = new TreeNode(children[i], i)); - child.parent = node; - } - } - } - - (tree.parent = new TreeNode(null, 0)).children = [tree]; - return tree; - } - - // Node-link tree diagram using the Reingold-Tilford "tidy" algorithm - function tree() { - var separation = defaultSeparation$1, - dx = 1, - dy = 1, - nodeSize = null; - - function tree(root) { - var t = treeRoot(root); - - // Compute the layout using Buchheim et al.’s algorithm. - t.eachAfter(firstWalk), t.parent.m = -t.z; - t.eachBefore(secondWalk); - - // If a fixed node size is specified, scale x and y. - if (nodeSize) root.eachBefore(sizeNode); - - // If a fixed tree size is specified, scale x and y based on the extent. - // Compute the left-most, right-most, and depth-most nodes for extents. - else { - var left = root, - right = root, - bottom = root; - root.eachBefore(function(node) { - if (node.x < left.x) left = node; - if (node.x > right.x) right = node; - if (node.depth > bottom.depth) bottom = node; - }); - var s = left === right ? 1 : separation(left, right) / 2, - tx = s - left.x, - kx = dx / (right.x + s + tx), - ky = dy / (bottom.depth || 1); - root.eachBefore(function(node) { - node.x = (node.x + tx) * kx; - node.y = node.depth * ky; - }); - } - - return root; - } - - // Computes a preliminary x-coordinate for v. Before that, FIRST WALK is - // applied recursively to the children of v, as well as the function - // APPORTION. After spacing out the children by calling EXECUTE SHIFTS, the - // node v is placed to the midpoint of its outermost children. - function firstWalk(v) { - var children = v.children, - siblings = v.parent.children, - w = v.i ? siblings[v.i - 1] : null; - if (children) { - executeShifts(v); - var midpoint = (children[0].z + children[children.length - 1].z) / 2; - if (w) { - v.z = w.z + separation(v._, w._); - v.m = v.z - midpoint; - } else { - v.z = midpoint; - } - } else if (w) { - v.z = w.z + separation(v._, w._); - } - v.parent.A = apportion(v, w, v.parent.A || siblings[0]); - } - - // Computes all real x-coordinates by summing up the modifiers recursively. - function secondWalk(v) { - v._.x = v.z + v.parent.m; - v.m += v.parent.m; - } - - // The core of the algorithm. Here, a new subtree is combined with the - // previous subtrees. Threads are used to traverse the inside and outside - // contours of the left and right subtree up to the highest common level. The - // vertices used for the traversals are vi+, vi-, vo-, and vo+, where the - // superscript o means outside and i means inside, the subscript - means left - // subtree and + means right subtree. For summing up the modifiers along the - // contour, we use respective variables si+, si-, so-, and so+. Whenever two - // nodes of the inside contours conflict, we compute the left one of the - // greatest uncommon ancestors using the function ANCESTOR and call MOVE - // SUBTREE to shift the subtree and prepare the shifts of smaller subtrees. - // Finally, we add a new thread (if necessary). - function apportion(v, w, ancestor) { - if (w) { - var vip = v, - vop = v, - vim = w, - vom = vip.parent.children[0], - sip = vip.m, - sop = vop.m, - sim = vim.m, - som = vom.m, - shift; - while (vim = nextRight(vim), vip = nextLeft(vip), vim && vip) { - vom = nextLeft(vom); - vop = nextRight(vop); - vop.a = v; - shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); - if (shift > 0) { - moveSubtree(nextAncestor(vim, v, ancestor), v, shift); - sip += shift; - sop += shift; - } - sim += vim.m; - sip += vip.m; - som += vom.m; - sop += vop.m; - } - if (vim && !nextRight(vop)) { - vop.t = vim; - vop.m += sim - sop; - } - if (vip && !nextLeft(vom)) { - vom.t = vip; - vom.m += sip - som; - ancestor = v; - } - } - return ancestor; - } - - function sizeNode(node) { - node.x *= dx; - node.y = node.depth * dy; - } - - tree.separation = function(x) { - return arguments.length ? (separation = x, tree) : separation; - }; - - tree.size = function(x) { - return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], tree) : (nodeSize ? null : [dx, dy]); - }; - - tree.nodeSize = function(x) { - return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], tree) : (nodeSize ? [dx, dy] : null); - }; - - return tree; - } - - function treemapSlice(parent, x0, y0, x1, y1) { - var nodes = parent.children, - node, - i = -1, - n = nodes.length, - k = parent.value && (y1 - y0) / parent.value; - - while (++i < n) { - node = nodes[i], node.x0 = x0, node.x1 = x1; - node.y0 = y0, node.y1 = y0 += node.value * k; - } - } - - var phi = (1 + Math.sqrt(5)) / 2; - - function squarifyRatio(ratio, parent, x0, y0, x1, y1) { - var rows = [], - nodes = parent.children, - row, - nodeValue, - i0 = 0, - i1, - n = nodes.length, - dx, dy, - value = parent.value, - sumValue, - minValue, - maxValue, - newRatio, - minRatio, - alpha, - beta; - - while (i0 < n) { - dx = x1 - x0, dy = y1 - y0; - minValue = maxValue = sumValue = nodes[i0].value; - alpha = Math.max(dy / dx, dx / dy) / (value * ratio); - beta = sumValue * sumValue * alpha; - minRatio = Math.max(maxValue / beta, beta / minValue); - - // Keep adding nodes while the aspect ratio maintains or improves. - for (i1 = i0 + 1; i1 < n; ++i1) { - sumValue += nodeValue = nodes[i1].value; - if (nodeValue < minValue) minValue = nodeValue; - if (nodeValue > maxValue) maxValue = nodeValue; - beta = sumValue * sumValue * alpha; - newRatio = Math.max(maxValue / beta, beta / minValue); - if (newRatio > minRatio) { sumValue -= nodeValue; break; } - minRatio = newRatio; - } - - // Position and record the row orientation. - rows.push(row = {value: sumValue, dice: dx < dy, children: nodes.slice(i0, i1)}); - if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += dy * sumValue / value : y1); - else treemapSlice(row, x0, y0, value ? x0 += dx * sumValue / value : x1, y1); - value -= sumValue, i0 = i1; - } - - return rows; - } - - var squarify = (function custom(ratio) { - - function squarify(parent, x0, y0, x1, y1) { - squarifyRatio(ratio, parent, x0, y0, x1, y1); - } - - squarify.ratio = function(x) { - return custom((x = +x) > 1 ? x : 1); - }; - - return squarify; - })(phi); - - function index$1() { - var tile = squarify, - round = false, - dx = 1, - dy = 1, - paddingStack = [0], - paddingInner = constantZero, - paddingTop = constantZero, - paddingRight = constantZero, - paddingBottom = constantZero, - paddingLeft = constantZero; - - function treemap(root) { - root.x0 = - root.y0 = 0; - root.x1 = dx; - root.y1 = dy; - root.eachBefore(positionNode); - paddingStack = [0]; - if (round) root.eachBefore(roundNode); - return root; - } - - function positionNode(node) { - var p = paddingStack[node.depth], - x0 = node.x0 + p, - y0 = node.y0 + p, - x1 = node.x1 - p, - y1 = node.y1 - p; - if (x1 < x0) x0 = x1 = (x0 + x1) / 2; - if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - node.x0 = x0; - node.y0 = y0; - node.x1 = x1; - node.y1 = y1; - if (node.children) { - p = paddingStack[node.depth + 1] = paddingInner(node) / 2; - x0 += paddingLeft(node) - p; - y0 += paddingTop(node) - p; - x1 -= paddingRight(node) - p; - y1 -= paddingBottom(node) - p; - if (x1 < x0) x0 = x1 = (x0 + x1) / 2; - if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - tile(node, x0, y0, x1, y1); - } - } - - treemap.round = function(x) { - return arguments.length ? (round = !!x, treemap) : round; - }; - - treemap.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], treemap) : [dx, dy]; - }; - - treemap.tile = function(x) { - return arguments.length ? (tile = required(x), treemap) : tile; - }; - - treemap.padding = function(x) { - return arguments.length ? treemap.paddingInner(x).paddingOuter(x) : treemap.paddingInner(); - }; - - treemap.paddingInner = function(x) { - return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$5(+x), treemap) : paddingInner; - }; - - treemap.paddingOuter = function(x) { - return arguments.length ? treemap.paddingTop(x).paddingRight(x).paddingBottom(x).paddingLeft(x) : treemap.paddingTop(); - }; - - treemap.paddingTop = function(x) { - return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$5(+x), treemap) : paddingTop; - }; - - treemap.paddingRight = function(x) { - return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$5(+x), treemap) : paddingRight; - }; - - treemap.paddingBottom = function(x) { - return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$5(+x), treemap) : paddingBottom; - }; - - treemap.paddingLeft = function(x) { - return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$5(+x), treemap) : paddingLeft; - }; - - return treemap; - } - - function binary(parent, x0, y0, x1, y1) { - var nodes = parent.children, - i, n = nodes.length, - sum, sums = new Array(n + 1); - - for (sums[0] = sum = i = 0; i < n; ++i) { - sums[i + 1] = sum += nodes[i].value; - } - - partition(0, n, parent.value, x0, y0, x1, y1); - - function partition(i, j, value, x0, y0, x1, y1) { - if (i >= j - 1) { - var node = nodes[i]; - node.x0 = x0, node.y0 = y0; - node.x1 = x1, node.y1 = y1; - return; - } - - var valueOffset = sums[i], - valueTarget = (value / 2) + valueOffset, - k = i + 1, - hi = j - 1; - - while (k < hi) { - var mid = k + hi >>> 1; - if (sums[mid] < valueTarget) k = mid + 1; - else hi = mid; - } - - var valueLeft = sums[k] - valueOffset, - valueRight = value - valueLeft; - - if ((y1 - y0) > (x1 - x0)) { - var yk = (y0 * valueRight + y1 * valueLeft) / value; - partition(i, k, valueLeft, x0, y0, x1, yk); - partition(k, j, valueRight, x0, yk, x1, y1); - } else { - var xk = (x0 * valueRight + x1 * valueLeft) / value; - partition(i, k, valueLeft, x0, y0, xk, y1); - partition(k, j, valueRight, xk, y0, x1, y1); - } - } - } - - function sliceDice(parent, x0, y0, x1, y1) { - (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); - } - - var resquarify = (function custom(ratio) { - - function resquarify(parent, x0, y0, x1, y1) { - if ((rows = parent._squarify) && (rows.ratio === ratio)) { - var rows, - row, - nodes, - i, - j = -1, - n, - m = rows.length, - value = parent.value; - - while (++j < m) { - row = rows[j], nodes = row.children; - for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value; - if (row.dice) treemapDice(row, x0, y0, x1, y0 += (y1 - y0) * row.value / value); - else treemapSlice(row, x0, y0, x0 += (x1 - x0) * row.value / value, y1); - value -= row.value; - } - } else { - parent._squarify = rows = squarifyRatio(ratio, parent, x0, y0, x1, y1); - rows.ratio = ratio; - } - } - - resquarify.ratio = function(x) { - return custom((x = +x) > 1 ? x : 1); - }; - - return resquarify; - })(phi); - - function center$1(x, y) { - var nodes; - - if (x == null) x = 0; - if (y == null) y = 0; - - function force() { - var i, - n = nodes.length, - node, - sx = 0, - sy = 0; - - for (i = 0; i < n; ++i) { - node = nodes[i], sx += node.x, sy += node.y; - } - - for (sx = sx / n - x, sy = sy / n - y, i = 0; i < n; ++i) { - node = nodes[i], node.x -= sx, node.y -= sy; - } - } - - force.initialize = function(_) { - nodes = _; - }; - - force.x = function(_) { - return arguments.length ? (x = +_, force) : x; - }; - - force.y = function(_) { - return arguments.length ? (y = +_, force) : y; - }; - - return force; - } - - function constant$6(x) { - return function() { - return x; - }; - } - - function jiggle() { - return (Math.random() - 0.5) * 1e-6; - } - - function x$1(d) { - return d.x + d.vx; - } - - function y$1(d) { - return d.y + d.vy; - } - - function collide(radius) { - var nodes, - radii, - strength = 1, - iterations = 1; - - if (typeof radius !== "function") radius = constant$6(radius == null ? 1 : +radius); - - function force() { - var i, n = nodes.length, - tree, - node, - xi, - yi, - ri, - ri2; - - for (var k = 0; k < iterations; ++k) { - tree = quadtree(nodes, x$1, y$1).visitAfter(prepare); - for (i = 0; i < n; ++i) { - node = nodes[i]; - ri = radii[i], ri2 = ri * ri; - xi = node.x + node.vx; - yi = node.y + node.vy; - tree.visit(apply); - } - } - - function apply(quad, x0, y0, x1, y1) { - var data = quad.data, rj = quad.r, r = ri + rj; - if (data) { - if (data.index > i) { - var x = xi - data.x - data.vx, - y = yi - data.y - data.vy, - l = x * x + y * y; - if (l < r * r) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - l = (r - (l = Math.sqrt(l))) / l * strength; - node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj)); - node.vy += (y *= l) * r; - data.vx -= x * (r = 1 - r); - data.vy -= y * r; - } - } - return; - } - return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r; - } - } - - function prepare(quad) { - if (quad.data) return quad.r = radii[quad.data.index]; - for (var i = quad.r = 0; i < 4; ++i) { - if (quad[i] && quad[i].r > quad.r) { - quad.r = quad[i].r; - } - } - } - - force.initialize = function(_) { - var i, n = (nodes = _).length; radii = new Array(n); - for (i = 0; i < n; ++i) radii[i] = +radius(nodes[i], i, nodes); - }; - - force.iterations = function(_) { - return arguments.length ? (iterations = +_, force) : iterations; - }; - - force.strength = function(_) { - return arguments.length ? (strength = +_, force) : strength; - }; - - force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$6(+_), force) : radius; - }; - - return force; - } - - function index$2(d, i) { - return i; - } - - function link(links) { - var id = index$2, - strength = defaultStrength, - strengths, - distance = constant$6(30), - distances, - nodes, - count, - bias, - iterations = 1; - - if (links == null) links = []; - - function defaultStrength(link) { - return 1 / Math.min(count[link.source.index], count[link.target.index]); - } - - function force(alpha) { - for (var k = 0, n = links.length; k < iterations; ++k) { - for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) { - link = links[i], source = link.source, target = link.target; - x = target.x + target.vx - source.x - source.vx || jiggle(); - y = target.y + target.vy - source.y - source.vy || jiggle(); - l = Math.sqrt(x * x + y * y); - l = (l - distances[i]) / l * alpha * strengths[i]; - x *= l, y *= l; - target.vx -= x * (b = bias[i]); - target.vy -= y * b; - source.vx += x * (b = 1 - b); - source.vy += y * b; - } - } - } - - function initialize() { - if (!nodes) return; - - var i, - n = nodes.length, - m = links.length, - nodeById = map$1(nodes, id), - link; - - for (i = 0, count = new Array(n); i < n; ++i) { - count[i] = 0; - } - - for (i = 0; i < m; ++i) { - link = links[i], link.index = i; - if (typeof link.source !== "object") link.source = nodeById.get(link.source); - if (typeof link.target !== "object") link.target = nodeById.get(link.target); - ++count[link.source.index], ++count[link.target.index]; - } - - for (i = 0, bias = new Array(m); i < m; ++i) { - link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]); - } - - strengths = new Array(m), initializeStrength(); - distances = new Array(m), initializeDistance(); - } - - function initializeStrength() { - if (!nodes) return; - - for (var i = 0, n = links.length; i < n; ++i) { - strengths[i] = +strength(links[i], i, links); - } - } - - function initializeDistance() { - if (!nodes) return; - - for (var i = 0, n = links.length; i < n; ++i) { - distances[i] = +distance(links[i], i, links); - } - } - - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.links = function(_) { - return arguments.length ? (links = _, initialize(), force) : links; - }; - - force.id = function(_) { - return arguments.length ? (id = _, force) : id; - }; - - force.iterations = function(_) { - return arguments.length ? (iterations = +_, force) : iterations; - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initializeStrength(), force) : strength; - }; - - force.distance = function(_) { - return arguments.length ? (distance = typeof _ === "function" ? _ : constant$6(+_), initializeDistance(), force) : distance; - }; - - return force; - } - - function x$2(d) { - return d.x; - } - - function y$2(d) { - return d.y; - } - - var initialRadius = 10; - var initialAngle = Math.PI * (3 - Math.sqrt(5)); - function simulation(nodes) { - var simulation, - alpha = 1, - alphaMin = 0.001, - alphaDecay = 1 - Math.pow(alphaMin, 1 / 300), - alphaTarget = 0, - velocityDecay = 0.6, - forces = map$1(), - stepper = timer(step), - event = dispatch("tick", "end"); - - if (nodes == null) nodes = []; - - function step() { - tick(); - event.call("tick", simulation); - if (alpha < alphaMin) { - stepper.stop(); - event.call("end", simulation); - } - } - - function tick() { - var i, n = nodes.length, node; - - alpha += (alphaTarget - alpha) * alphaDecay; - - forces.each(function(force) { - force(alpha); - }); - - for (i = 0; i < n; ++i) { - node = nodes[i]; - if (node.fx == null) node.x += node.vx *= velocityDecay; - else node.x = node.fx, node.vx = 0; - if (node.fy == null) node.y += node.vy *= velocityDecay; - else node.y = node.fy, node.vy = 0; - } - } - - function initializeNodes() { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.index = i; - if (isNaN(node.x) || isNaN(node.y)) { - var radius = initialRadius * Math.sqrt(i), angle = i * initialAngle; - node.x = radius * Math.cos(angle); - node.y = radius * Math.sin(angle); - } - if (isNaN(node.vx) || isNaN(node.vy)) { - node.vx = node.vy = 0; - } - } - } - - function initializeForce(force) { - if (force.initialize) force.initialize(nodes); - return force; - } - - initializeNodes(); - - return simulation = { - tick: tick, - - restart: function() { - return stepper.restart(step), simulation; - }, - - stop: function() { - return stepper.stop(), simulation; - }, - - nodes: function(_) { - return arguments.length ? (nodes = _, initializeNodes(), forces.each(initializeForce), simulation) : nodes; - }, - - alpha: function(_) { - return arguments.length ? (alpha = +_, simulation) : alpha; - }, - - alphaMin: function(_) { - return arguments.length ? (alphaMin = +_, simulation) : alphaMin; - }, - - alphaDecay: function(_) { - return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay; - }, - - alphaTarget: function(_) { - return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget; - }, - - velocityDecay: function(_) { - return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay; - }, - - force: function(name, _) { - return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); - }, - - find: function(x, y, radius) { - var i = 0, - n = nodes.length, - dx, - dy, - d2, - node, - closest; - - if (radius == null) radius = Infinity; - else radius *= radius; - - for (i = 0; i < n; ++i) { - node = nodes[i]; - dx = x - node.x; - dy = y - node.y; - d2 = dx * dx + dy * dy; - if (d2 < radius) closest = node, radius = d2; - } - - return closest; - }, - - on: function(name, _) { - return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); - } - }; - } - - function manyBody() { - var nodes, - node, - alpha, - strength = constant$6(-30), - strengths, - distanceMin2 = 1, - distanceMax2 = Infinity, - theta2 = 0.81; - - function force(_) { - var i, n = nodes.length, tree = quadtree(nodes, x$2, y$2).visitAfter(accumulate); - for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); - } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - for (i = 0; i < n; ++i) strengths[i] = +strength(nodes[i], i, nodes); - } - - function accumulate(quad) { - var strength = 0, q, c, x, y, i; - - // For internal nodes, accumulate forces from child quadrants. - if (quad.length) { - for (x = y = i = 0; i < 4; ++i) { - if ((q = quad[i]) && (c = q.value)) { - strength += c, x += c * q.x, y += c * q.y; - } - } - quad.x = x / strength; - quad.y = y / strength; - } - - // For leaf nodes, accumulate forces from coincident quadrants. - else { - q = quad; - q.x = q.data.x; - q.y = q.data.y; - do strength += strengths[q.data.index]; - while (q = q.next); - } - - quad.value = strength; - } - - function apply(quad, x1, _, x2) { - if (!quad.value) return true; - - var x = quad.x - node.x, - y = quad.y - node.y, - w = x2 - x1, - l = x * x + y * y; - - // Apply the Barnes-Hut approximation if possible. - // Limit forces for very close nodes; randomize direction if coincident. - if (w * w / theta2 < l) { - if (l < distanceMax2) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); - node.vx += x * quad.value * alpha / l; - node.vy += y * quad.value * alpha / l; - } - return true; - } - - // Otherwise, process points directly. - else if (quad.length || l >= distanceMax2) return; - - // Limit forces for very close nodes; randomize direction if coincident. - if (quad.data !== node || quad.next) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); - } - - do if (quad.data !== node) { - w = strengths[quad.data.index] * alpha / l; - node.vx += x * w; - node.vy += y * w; - } while (quad = quad.next); - } - - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; - }; - - force.distanceMin = function(_) { - return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2); - }; - - force.distanceMax = function(_) { - return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2); - }; - - force.theta = function(_) { - return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2); - }; - - return force; - } - - function x$3(x) { - var strength = constant$6(0.1), - nodes, - strengths, - xz; - - if (typeof x !== "function") x = constant$6(x == null ? 0 : +x); - - function force(alpha) { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha; - } - } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - xz = new Array(n); - for (i = 0; i < n; ++i) { - strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); - } - } - - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; - }; - - force.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : x; - }; - - return force; - } - - function y$3(y) { - var strength = constant$6(0.1), - nodes, - strengths, - yz; - - if (typeof y !== "function") y = constant$6(y == null ? 0 : +y); - - function force(alpha) { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha; - } - } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - yz = new Array(n); - for (i = 0; i < n; ++i) { - strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); - } - } - - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; - }; - - force.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : y; - }; - - return force; - } - - function nopropagation() { - exports.event.stopImmediatePropagation(); - } - - function noevent() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); - } - - function dragDisable(view) { - var root = view.document.documentElement, - selection = select(view).on("dragstart.drag", noevent, true); - if ("onselectstart" in root) { - selection.on("selectstart.drag", noevent, true); - } else { - root.__noselect = root.style.MozUserSelect; - root.style.MozUserSelect = "none"; - } - } - - function dragEnable(view, noclick) { - var root = view.document.documentElement, - selection = select(view).on("dragstart.drag", null); - if (noclick) { - selection.on("click.drag", noevent, true); - setTimeout(function() { selection.on("click.drag", null); }, 0); - } - if ("onselectstart" in root) { - selection.on("selectstart.drag", null); - } else { - root.style.MozUserSelect = root.__noselect; - delete root.__noselect; - } - } - - function constant$7(x) { - return function() { - return x; - }; - } - - function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) { - this.target = target; - this.type = type; - this.subject = subject; - this.identifier = id; - this.active = active; - this.x = x; - this.y = y; - this.dx = dx; - this.dy = dy; - this._ = dispatch; - } - - DragEvent.prototype.on = function() { - var value = this._.on.apply(this._, arguments); - return value === this._ ? this : value; - }; - - // Ignore right-click, since that should open the context menu. - function defaultFilter() { - return !exports.event.button; - } - - function defaultContainer() { - return this.parentNode; - } - - function defaultSubject(d) { - return d == null ? {x: exports.event.x, y: exports.event.y} : d; - } - - function drag() { - var filter = defaultFilter, - container = defaultContainer, - subject = defaultSubject, - gestures = {}, - listeners = dispatch("start", "drag", "end"), - active = 0, - mousemoving, - touchending; - - function drag(selection) { - selection - .on("mousedown.drag", mousedowned) - .on("touchstart.drag", touchstarted) - .on("touchmove.drag", touchmoved) - .on("touchend.drag touchcancel.drag", touchended) - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); - } - - function mousedowned() { - if (touchending || !filter.apply(this, arguments)) return; - var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments); - if (!gesture) return; - select(exports.event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); - dragDisable(exports.event.view); - nopropagation(); - mousemoving = false; - gesture("start"); - } - - function mousemoved() { - noevent(); - mousemoving = true; - gestures.mouse("drag"); - } - - function mouseupped() { - select(exports.event.view).on("mousemove.drag mouseup.drag", null); - dragEnable(exports.event.view, mousemoving); - noevent(); - gestures.mouse("end"); - } - - function touchstarted() { - if (!filter.apply(this, arguments)) return; - var touches = exports.event.changedTouches, - c = container.apply(this, arguments), - n = touches.length, i, gesture; - - for (i = 0; i < n; ++i) { - if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) { - nopropagation(); - gesture("start"); - } - } - } - - function touchmoved() { - var touches = exports.event.changedTouches, - n = touches.length, i, gesture; - - for (i = 0; i < n; ++i) { - if (gesture = gestures[touches[i].identifier]) { - noevent(); - gesture("drag"); - } - } - } - - function touchended() { - var touches = exports.event.changedTouches, - n = touches.length, i, gesture; - - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! - for (i = 0; i < n; ++i) { - if (gesture = gestures[touches[i].identifier]) { - nopropagation(); - gesture("end"); - } - } - } - - function beforestart(id, container, point, that, args) { - var p = point(container, id), s, dx, dy, - sublisteners = listeners.copy(); - - if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { - if ((exports.event.subject = s = subject.apply(that, args)) == null) return false; - dx = s.x - p[0] || 0; - dy = s.y - p[1] || 0; - return true; - })) return; - - return function gesture(type) { - var p0 = p, n; - switch (type) { - case "start": gestures[id] = gesture, n = active++; break; - case "end": delete gestures[id], --active; // nobreak - case "drag": p = point(container, id), n = active; break; - } - customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); - }; - } - - drag.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$7(!!_), drag) : filter; - }; - - drag.container = function(_) { - return arguments.length ? (container = typeof _ === "function" ? _ : constant$7(_), drag) : container; - }; - - drag.subject = function(_) { - return arguments.length ? (subject = typeof _ === "function" ? _ : constant$7(_), drag) : subject; - }; - - drag.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? drag : value; - }; - - return drag; - } - - function constant$8(x) { - return function() { - return x; - }; - } - - function x$4(d) { - return d[0]; - } - - function y$4(d) { - return d[1]; - } - - function RedBlackTree() { - this._ = null; // root node - } - - function RedBlackNode(node) { - node.U = // parent node - node.C = // color - true for red, false for black - node.L = // left node - node.R = // right node - node.P = // previous node - node.N = null; // next node - } - - RedBlackTree.prototype = { - constructor: RedBlackTree, - - insert: function(after, node) { - var parent, grandpa, uncle; - - if (after) { - node.P = after; - node.N = after.N; - if (after.N) after.N.P = node; - after.N = node; - if (after.R) { - after = after.R; - while (after.L) after = after.L; - after.L = node; - } else { - after.R = node; - } - parent = after; - } else if (this._) { - after = RedBlackFirst(this._); - node.P = null; - node.N = after; - after.P = after.L = node; - parent = after; - } else { - node.P = node.N = null; - this._ = node; - parent = null; - } - node.L = node.R = null; - node.U = parent; - node.C = true; - - after = node; - while (parent && parent.C) { - grandpa = parent.U; - if (parent === grandpa.L) { - uncle = grandpa.R; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.R) { - RedBlackRotateLeft(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - RedBlackRotateRight(this, grandpa); - } - } else { - uncle = grandpa.L; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.L) { - RedBlackRotateRight(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - RedBlackRotateLeft(this, grandpa); - } - } - parent = after.U; - } - this._.C = false; - }, - - remove: function(node) { - if (node.N) node.N.P = node.P; - if (node.P) node.P.N = node.N; - node.N = node.P = null; - - var parent = node.U, - sibling, - left = node.L, - right = node.R, - next, - red; - - if (!left) next = right; - else if (!right) next = left; - else next = RedBlackFirst(right); - - if (parent) { - if (parent.L === node) parent.L = next; - else parent.R = next; - } else { - this._ = next; - } - - if (left && right) { - red = next.C; - next.C = node.C; - next.L = left; - left.U = next; - if (next !== right) { - parent = next.U; - next.U = node.U; - node = next.R; - parent.L = node; - next.R = right; - right.U = next; - } else { - next.U = parent; - parent = next; - node = next.R; - } - } else { - red = node.C; - node = next; - } - - if (node) node.U = parent; - if (red) return; - if (node && node.C) { node.C = false; return; } - - do { - if (node === this._) break; - if (node === parent.L) { - sibling = parent.R; - if (sibling.C) { - sibling.C = false; - parent.C = true; - RedBlackRotateLeft(this, parent); - sibling = parent.R; - } - if ((sibling.L && sibling.L.C) - || (sibling.R && sibling.R.C)) { - if (!sibling.R || !sibling.R.C) { - sibling.L.C = false; - sibling.C = true; - RedBlackRotateRight(this, sibling); - sibling = parent.R; - } - sibling.C = parent.C; - parent.C = sibling.R.C = false; - RedBlackRotateLeft(this, parent); - node = this._; - break; - } - } else { - sibling = parent.L; - if (sibling.C) { - sibling.C = false; - parent.C = true; - RedBlackRotateRight(this, parent); - sibling = parent.L; - } - if ((sibling.L && sibling.L.C) - || (sibling.R && sibling.R.C)) { - if (!sibling.L || !sibling.L.C) { - sibling.R.C = false; - sibling.C = true; - RedBlackRotateLeft(this, sibling); - sibling = parent.L; - } - sibling.C = parent.C; - parent.C = sibling.L.C = false; - RedBlackRotateRight(this, parent); - node = this._; - break; - } - } - sibling.C = true; - node = parent; - parent = parent.U; - } while (!node.C); - - if (node) node.C = false; - } - }; - - function RedBlackRotateLeft(tree, node) { - var p = node, - q = node.R, - parent = p.U; - - if (parent) { - if (parent.L === p) parent.L = q; - else parent.R = q; - } else { - tree._ = q; - } - - q.U = parent; - p.U = q; - p.R = q.L; - if (p.R) p.R.U = p; - q.L = p; - } - - function RedBlackRotateRight(tree, node) { - var p = node, - q = node.L, - parent = p.U; - - if (parent) { - if (parent.L === p) parent.L = q; - else parent.R = q; - } else { - tree._ = q; - } - - q.U = parent; - p.U = q; - p.L = q.R; - if (p.L) p.L.U = p; - q.R = p; - } - - function RedBlackFirst(node) { - while (node.L) node = node.L; - return node; - } - - function createEdge(left, right, v0, v1) { - var edge = [null, null], - index = edges.push(edge) - 1; - edge.left = left; - edge.right = right; - if (v0) setEdgeEnd(edge, left, right, v0); - if (v1) setEdgeEnd(edge, right, left, v1); - cells[left.index].halfedges.push(index); - cells[right.index].halfedges.push(index); - return edge; - } - - function createBorderEdge(left, v0, v1) { - var edge = [v0, v1]; - edge.left = left; - return edge; - } - - function setEdgeEnd(edge, left, right, vertex) { - if (!edge[0] && !edge[1]) { - edge[0] = vertex; - edge.left = left; - edge.right = right; - } else if (edge.left === right) { - edge[1] = vertex; - } else { - edge[0] = vertex; - } - } - - // Liang–Barsky line clipping. - function clipEdge(edge, x0, y0, x1, y1) { - var a = edge[0], - b = edge[1], - ax = a[0], - ay = a[1], - bx = b[0], - by = b[1], - t0 = 0, - t1 = 1, - dx = bx - ax, - dy = by - ay, - r; - - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - if (!(t0 > 0) && !(t1 < 1)) return true; // TODO Better check? - - if (t0 > 0) edge[0] = [ax + t0 * dx, ay + t0 * dy]; - if (t1 < 1) edge[1] = [ax + t1 * dx, ay + t1 * dy]; - return true; - } - - function connectEdge(edge, x0, y0, x1, y1) { - var v1 = edge[1]; - if (v1) return true; - - var v0 = edge[0], - left = edge.left, - right = edge.right, - lx = left[0], - ly = left[1], - rx = right[0], - ry = right[1], - fx = (lx + rx) / 2, - fy = (ly + ry) / 2, - fm, - fb; - - if (ry === ly) { - if (fx < x0 || fx >= x1) return; - if (lx > rx) { - if (!v0) v0 = [fx, y0]; - else if (v0[1] >= y1) return; - v1 = [fx, y1]; - } else { - if (!v0) v0 = [fx, y1]; - else if (v0[1] < y0) return; - v1 = [fx, y0]; - } - } else { - fm = (lx - rx) / (ry - ly); - fb = fy - fm * fx; - if (fm < -1 || fm > 1) { - if (lx > rx) { - if (!v0) v0 = [(y0 - fb) / fm, y0]; - else if (v0[1] >= y1) return; - v1 = [(y1 - fb) / fm, y1]; - } else { - if (!v0) v0 = [(y1 - fb) / fm, y1]; - else if (v0[1] < y0) return; - v1 = [(y0 - fb) / fm, y0]; - } - } else { - if (ly < ry) { - if (!v0) v0 = [x0, fm * x0 + fb]; - else if (v0[0] >= x1) return; - v1 = [x1, fm * x1 + fb]; - } else { - if (!v0) v0 = [x1, fm * x1 + fb]; - else if (v0[0] < x0) return; - v1 = [x0, fm * x0 + fb]; - } - } - } - - edge[0] = v0; - edge[1] = v1; - return true; - } - - function clipEdges(x0, y0, x1, y1) { - var i = edges.length, - edge; - - while (i--) { - if (!connectEdge(edge = edges[i], x0, y0, x1, y1) - || !clipEdge(edge, x0, y0, x1, y1) - || !(Math.abs(edge[0][0] - edge[1][0]) > epsilon$3 - || Math.abs(edge[0][1] - edge[1][1]) > epsilon$3)) { - delete edges[i]; - } - } - } - - function createCell(site) { - return cells[site.index] = { - site: site, - halfedges: [] - }; - } - - function cellHalfedgeAngle(cell, edge) { - var site = cell.site, - va = edge.left, - vb = edge.right; - if (site === vb) vb = va, va = site; - if (vb) return Math.atan2(vb[1] - va[1], vb[0] - va[0]); - if (site === va) va = edge[1], vb = edge[0]; - else va = edge[0], vb = edge[1]; - return Math.atan2(va[0] - vb[0], vb[1] - va[1]); - } - - function cellHalfedgeStart(cell, edge) { - return edge[+(edge.left !== cell.site)]; - } - - function cellHalfedgeEnd(cell, edge) { - return edge[+(edge.left === cell.site)]; - } - - function sortCellHalfedges() { - for (var i = 0, n = cells.length, cell, halfedges, j, m; i < n; ++i) { - if ((cell = cells[i]) && (m = (halfedges = cell.halfedges).length)) { - var index = new Array(m), - array = new Array(m); - for (j = 0; j < m; ++j) index[j] = j, array[j] = cellHalfedgeAngle(cell, edges[halfedges[j]]); - index.sort(function(i, j) { return array[j] - array[i]; }); - for (j = 0; j < m; ++j) array[j] = halfedges[index[j]]; - for (j = 0; j < m; ++j) halfedges[j] = array[j]; - } - } - } - - function clipCells(x0, y0, x1, y1) { - var nCells = cells.length, - iCell, - cell, - site, - iHalfedge, - halfedges, - nHalfedges, - start, - startX, - startY, - end, - endX, - endY, - cover = true; - - for (iCell = 0; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - site = cell.site; - halfedges = cell.halfedges; - iHalfedge = halfedges.length; - - // Remove any dangling clipped edges. - while (iHalfedge--) { - if (!edges[halfedges[iHalfedge]]) { - halfedges.splice(iHalfedge, 1); - } - } - - // Insert any border edges as necessary. - iHalfedge = 0, nHalfedges = halfedges.length; - while (iHalfedge < nHalfedges) { - end = cellHalfedgeEnd(cell, edges[halfedges[iHalfedge]]), endX = end[0], endY = end[1]; - start = cellHalfedgeStart(cell, edges[halfedges[++iHalfedge % nHalfedges]]), startX = start[0], startY = start[1]; - if (Math.abs(endX - startX) > epsilon$3 || Math.abs(endY - startY) > epsilon$3) { - halfedges.splice(iHalfedge, 0, edges.push(createBorderEdge(site, end, - Math.abs(endX - x0) < epsilon$3 && y1 - endY > epsilon$3 ? [x0, Math.abs(startX - x0) < epsilon$3 ? startY : y1] - : Math.abs(endY - y1) < epsilon$3 && x1 - endX > epsilon$3 ? [Math.abs(startY - y1) < epsilon$3 ? startX : x1, y1] - : Math.abs(endX - x1) < epsilon$3 && endY - y0 > epsilon$3 ? [x1, Math.abs(startX - x1) < epsilon$3 ? startY : y0] - : Math.abs(endY - y0) < epsilon$3 && endX - x0 > epsilon$3 ? [Math.abs(startY - y0) < epsilon$3 ? startX : x0, y0] - : null)) - 1); - ++nHalfedges; - } - } - - if (nHalfedges) cover = false; - } - } - - // If there weren’t any edges, have the closest site cover the extent. - // It doesn’t matter which corner of the extent we measure! - if (cover) { - var dx, dy, d2, dc = Infinity; - - for (iCell = 0, cover = null; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - site = cell.site; - dx = site[0] - x0; - dy = site[1] - y0; - d2 = dx * dx + dy * dy; - if (d2 < dc) dc = d2, cover = cell; - } - } - - if (cover) { - var v00 = [x0, y0], v01 = [x0, y1], v11 = [x1, y1], v10 = [x1, y0]; - cover.halfedges.push( - edges.push(createBorderEdge(site = cover.site, v00, v01)) - 1, - edges.push(createBorderEdge(site, v01, v11)) - 1, - edges.push(createBorderEdge(site, v11, v10)) - 1, - edges.push(createBorderEdge(site, v10, v00)) - 1 - ); - } - } - - // Lastly delete any cells with no edges; these were entirely clipped. - for (iCell = 0; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - if (!cell.halfedges.length) { - delete cells[iCell]; - } - } - } - } - - var circlePool = []; - - var firstCircle; - - function Circle() { - RedBlackNode(this); - this.x = - this.y = - this.arc = - this.site = - this.cy = null; - } - - function attachCircle(arc) { - var lArc = arc.P, - rArc = arc.N; - - if (!lArc || !rArc) return; - - var lSite = lArc.site, - cSite = arc.site, - rSite = rArc.site; - - if (lSite === rSite) return; - - var bx = cSite[0], - by = cSite[1], - ax = lSite[0] - bx, - ay = lSite[1] - by, - cx = rSite[0] - bx, - cy = rSite[1] - by; - - var d = 2 * (ax * cy - ay * cx); - if (d >= -epsilon2$1) return; - - var ha = ax * ax + ay * ay, - hc = cx * cx + cy * cy, - x = (cy * ha - ay * hc) / d, - y = (ax * hc - cx * ha) / d; - - var circle = circlePool.pop() || new Circle; - circle.arc = arc; - circle.site = cSite; - circle.x = x + bx; - circle.y = (circle.cy = y + by) + Math.sqrt(x * x + y * y); // y bottom - - arc.circle = circle; - - var before = null, - node = circles._; - - while (node) { - if (circle.y < node.y || (circle.y === node.y && circle.x <= node.x)) { - if (node.L) node = node.L; - else { before = node.P; break; } - } else { - if (node.R) node = node.R; - else { before = node; break; } - } - } - - circles.insert(before, circle); - if (!before) firstCircle = circle; - } - - function detachCircle(arc) { - var circle = arc.circle; - if (circle) { - if (!circle.P) firstCircle = circle.N; - circles.remove(circle); - circlePool.push(circle); - RedBlackNode(circle); - arc.circle = null; - } - } - - var beachPool = []; - - function Beach() { - RedBlackNode(this); - this.edge = - this.site = - this.circle = null; - } - - function createBeach(site) { - var beach = beachPool.pop() || new Beach; - beach.site = site; - return beach; - } - - function detachBeach(beach) { - detachCircle(beach); - beaches.remove(beach); - beachPool.push(beach); - RedBlackNode(beach); - } - - function removeBeach(beach) { - var circle = beach.circle, - x = circle.x, - y = circle.cy, - vertex = [x, y], - previous = beach.P, - next = beach.N, - disappearing = [beach]; - - detachBeach(beach); - - var lArc = previous; - while (lArc.circle - && Math.abs(x - lArc.circle.x) < epsilon$3 - && Math.abs(y - lArc.circle.cy) < epsilon$3) { - previous = lArc.P; - disappearing.unshift(lArc); - detachBeach(lArc); - lArc = previous; - } - - disappearing.unshift(lArc); - detachCircle(lArc); - - var rArc = next; - while (rArc.circle - && Math.abs(x - rArc.circle.x) < epsilon$3 - && Math.abs(y - rArc.circle.cy) < epsilon$3) { - next = rArc.N; - disappearing.push(rArc); - detachBeach(rArc); - rArc = next; - } - - disappearing.push(rArc); - detachCircle(rArc); - - var nArcs = disappearing.length, - iArc; - for (iArc = 1; iArc < nArcs; ++iArc) { - rArc = disappearing[iArc]; - lArc = disappearing[iArc - 1]; - setEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); - } - - lArc = disappearing[0]; - rArc = disappearing[nArcs - 1]; - rArc.edge = createEdge(lArc.site, rArc.site, null, vertex); - - attachCircle(lArc); - attachCircle(rArc); - } - - function addBeach(site) { - var x = site[0], - directrix = site[1], - lArc, - rArc, - dxl, - dxr, - node = beaches._; - - while (node) { - dxl = leftBreakPoint(node, directrix) - x; - if (dxl > epsilon$3) node = node.L; else { - dxr = x - rightBreakPoint(node, directrix); - if (dxr > epsilon$3) { - if (!node.R) { - lArc = node; - break; - } - node = node.R; - } else { - if (dxl > -epsilon$3) { - lArc = node.P; - rArc = node; - } else if (dxr > -epsilon$3) { - lArc = node; - rArc = node.N; - } else { - lArc = rArc = node; - } - break; - } - } - } - - createCell(site); - var newArc = createBeach(site); - beaches.insert(lArc, newArc); - - if (!lArc && !rArc) return; - - if (lArc === rArc) { - detachCircle(lArc); - rArc = createBeach(lArc.site); - beaches.insert(newArc, rArc); - newArc.edge = rArc.edge = createEdge(lArc.site, newArc.site); - attachCircle(lArc); - attachCircle(rArc); - return; - } - - if (!rArc) { // && lArc - newArc.edge = createEdge(lArc.site, newArc.site); - return; - } - - // else lArc !== rArc - detachCircle(lArc); - detachCircle(rArc); - - var lSite = lArc.site, - ax = lSite[0], - ay = lSite[1], - bx = site[0] - ax, - by = site[1] - ay, - rSite = rArc.site, - cx = rSite[0] - ax, - cy = rSite[1] - ay, - d = 2 * (bx * cy - by * cx), - hb = bx * bx + by * by, - hc = cx * cx + cy * cy, - vertex = [(cy * hb - by * hc) / d + ax, (bx * hc - cx * hb) / d + ay]; - - setEdgeEnd(rArc.edge, lSite, rSite, vertex); - newArc.edge = createEdge(lSite, site, null, vertex); - rArc.edge = createEdge(site, rSite, null, vertex); - attachCircle(lArc); - attachCircle(rArc); - } - - function leftBreakPoint(arc, directrix) { - var site = arc.site, - rfocx = site[0], - rfocy = site[1], - pby2 = rfocy - directrix; - - if (!pby2) return rfocx; - - var lArc = arc.P; - if (!lArc) return -Infinity; - - site = lArc.site; - var lfocx = site[0], - lfocy = site[1], - plby2 = lfocy - directrix; - - if (!plby2) return lfocx; - - var hl = lfocx - rfocx, - aby2 = 1 / pby2 - 1 / plby2, - b = hl / plby2; - - if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; - - return (rfocx + lfocx) / 2; - } - - function rightBreakPoint(arc, directrix) { - var rArc = arc.N; - if (rArc) return leftBreakPoint(rArc, directrix); - var site = arc.site; - return site[1] === directrix ? site[0] : Infinity; - } - - var epsilon$3 = 1e-6; - var epsilon2$1 = 1e-12; - var beaches; - var cells; - var circles; - var edges; - - function triangleArea(a, b, c) { - return (a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]); - } - - function lexicographic(a, b) { - return b[1] - a[1] - || b[0] - a[0]; - } - - function Diagram(sites, extent) { - var site = sites.sort(lexicographic).pop(), - x, - y, - circle; - - edges = []; - cells = new Array(sites.length); - beaches = new RedBlackTree; - circles = new RedBlackTree; - - while (true) { - circle = firstCircle; - if (site && (!circle || site[1] < circle.y || (site[1] === circle.y && site[0] < circle.x))) { - if (site[0] !== x || site[1] !== y) { - addBeach(site); - x = site[0], y = site[1]; - } - site = sites.pop(); - } else if (circle) { - removeBeach(circle.arc); - } else { - break; - } - } - - sortCellHalfedges(); - - if (extent) { - var x0 = +extent[0][0], - y0 = +extent[0][1], - x1 = +extent[1][0], - y1 = +extent[1][1]; - clipEdges(x0, y0, x1, y1); - clipCells(x0, y0, x1, y1); - } - - this.edges = edges; - this.cells = cells; - - beaches = - circles = - edges = - cells = null; - } - - Diagram.prototype = { - constructor: Diagram, - - polygons: function() { - var edges = this.edges; - - return this.cells.map(function(cell) { - var polygon = cell.halfedges.map(function(i) { return cellHalfedgeStart(cell, edges[i]); }); - polygon.data = cell.site.data; - return polygon; - }); - }, - - triangles: function() { - var triangles = [], - edges = this.edges; - - this.cells.forEach(function(cell, i) { - var site = cell.site, - halfedges = cell.halfedges, - j = -1, - m = halfedges.length, - s0, - e1 = edges[halfedges[m - 1]], - s1 = e1.left === site ? e1.right : e1.left; - - while (++j < m) { - s0 = s1; - e1 = edges[halfedges[j]]; - s1 = e1.left === site ? e1.right : e1.left; - if (i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) { - triangles.push([site.data, s0.data, s1.data]); - } - } - }); - - return triangles; - }, - - links: function() { - return this.edges.filter(function(edge) { - return edge.right; - }).map(function(edge) { - return { - source: edge.left.data, - target: edge.right.data - }; - }); - } - } - - function voronoi() { - var x = x$4, - y = y$4, - extent = null; - - function voronoi(data) { - return new Diagram(data.map(function(d, i) { - var s = [Math.round(x(d, i, data) / epsilon$3) * epsilon$3, Math.round(y(d, i, data) / epsilon$3) * epsilon$3]; - s.index = i; - s.data = d; - return s; - }), extent); - } - - voronoi.polygons = function(data) { - return voronoi(data).polygons(); - }; - - voronoi.links = function(data) { - return voronoi(data).links(); - }; - - voronoi.triangles = function(data) { - return voronoi(data).triangles(); - }; - - voronoi.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$8(+_), voronoi) : x; - }; - - voronoi.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$8(+_), voronoi) : y; - }; - - voronoi.extent = function(_) { - return arguments.length ? (extent = _ == null ? null : [[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]], voronoi) : extent && [[extent[0][0], extent[0][1]], [extent[1][0], extent[1][1]]]; - }; - - voronoi.size = function(_) { - return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0] - extent[0][0], extent[1][1] - extent[0][1]]; - }; - - return voronoi; - } - - function constant$9(x) { - return function() { - return x; - }; - } - - function ZoomEvent(target, type, transform) { - this.target = target; - this.type = type; - this.transform = transform; - } - - function Transform(k, x, y) { - this.k = k; - this.x = x; - this.y = y; - } - - Transform.prototype = { - constructor: Transform, - scale: function(k) { - return k === 1 ? this : new Transform(this.k * k, this.x, this.y); - }, - translate: function(x, y) { - return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y); - }, - apply: function(point) { - return [point[0] * this.k + this.x, point[1] * this.k + this.y]; - }, - applyX: function(x) { - return x * this.k + this.x; - }, - applyY: function(y) { - return y * this.k + this.y; - }, - invert: function(location) { - return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k]; - }, - invertX: function(x) { - return (x - this.x) / this.k; - }, - invertY: function(y) { - return (y - this.y) / this.k; - }, - rescaleX: function(x) { - return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x)); - }, - rescaleY: function(y) { - return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y)); - }, - toString: function() { - return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")"; - } - }; - - var identity$6 = new Transform(1, 0, 0); - - transform.prototype = Transform.prototype; - - function transform(node) { - return node.__zoom || identity$6; - } - - function nopropagation$1() { - exports.event.stopImmediatePropagation(); - } - - function noevent$1() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); - } - - // Ignore right-click, since that should open the context menu. - function defaultFilter$1() { - return !exports.event.button; - } - - function defaultExtent() { - var e = this, w, h; - if (e instanceof SVGElement) { - e = e.ownerSVGElement || e; - w = e.width.baseVal.value; - h = e.height.baseVal.value; - } else { - w = e.clientWidth; - h = e.clientHeight; - } - return [[0, 0], [w, h]]; - } - - function defaultTransform() { - return this.__zoom || identity$6; - } - - function zoom() { - var filter = defaultFilter$1, - extent = defaultExtent, - k0 = 0, - k1 = Infinity, - x0 = -k1, - x1 = k1, - y0 = x0, - y1 = x1, - duration = 250, - gestures = [], - listeners = dispatch("start", "zoom", "end"), - touchstarting, - touchending, - touchDelay = 500, - wheelDelay = 150; - - function zoom(selection) { - selection - .on("wheel.zoom", wheeled) - .on("mousedown.zoom", mousedowned) - .on("dblclick.zoom", dblclicked) - .on("touchstart.zoom", touchstarted) - .on("touchmove.zoom", touchmoved) - .on("touchend.zoom touchcancel.zoom", touchended) - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") - .property("__zoom", defaultTransform); - } - - zoom.transform = function(collection, transform) { - var selection = collection.selection ? collection.selection() : collection; - selection.property("__zoom", defaultTransform); - if (collection !== selection) { - schedule(collection, transform); - } else { - selection.interrupt().each(function() { - gesture(this, arguments) - .start() - .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) - .end(); - }); - } - }; - - zoom.scaleBy = function(selection, k) { - zoom.scaleTo(selection, function() { - var k0 = this.__zoom.k, - k1 = typeof k === "function" ? k.apply(this, arguments) : k; - return k0 * k1; - }); - }; - - zoom.scaleTo = function(selection, k) { - zoom.transform(selection, function() { - var e = extent.apply(this, arguments), - t0 = this.__zoom, - p0 = centroid(e), - p1 = t0.invert(p0), - k1 = typeof k === "function" ? k.apply(this, arguments) : k; - return constrain(translate(scale(t0, k1), p0, p1), e); - }); - }; - - zoom.translateBy = function(selection, x, y) { - zoom.transform(selection, function() { - return constrain(this.__zoom.translate( - typeof x === "function" ? x.apply(this, arguments) : x, - typeof y === "function" ? y.apply(this, arguments) : y - ), extent.apply(this, arguments)); - }); - }; - - function scale(transform, k) { - k = Math.max(k0, Math.min(k1, k)); - return k === transform.k ? transform : new Transform(k, transform.x, transform.y); - } - - function translate(transform, p0, p1) { - var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k; - return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y); - } - - function constrain(transform, extent) { - var dx = Math.min(0, transform.invertX(extent[0][0]) - x0) || Math.max(0, transform.invertX(extent[1][0]) - x1), - dy = Math.min(0, transform.invertY(extent[0][1]) - y0) || Math.max(0, transform.invertY(extent[1][1]) - y1); - return dx || dy ? transform.translate(dx, dy) : transform; - } - - function centroid(extent) { - return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; - } - - function schedule(transition, transform, center) { - transition - .on("start.zoom", function() { gesture(this, arguments).start(); }) - .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) - .tween("zoom", function() { - var that = this, - args = arguments, - g = gesture(that, args), - e = extent.apply(that, args), - p = center || centroid(e), - w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), - a = that.__zoom, - b = typeof transform === "function" ? transform.apply(that, args) : transform, - i = interpolateZoom(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); - return function(t) { - if (t === 1) t = b; // Avoid rounding error on end. - else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); } - g.zoom(null, t); - }; - }); - } - - function gesture(that, args) { - for (var i = 0, n = gestures.length, g; i < n; ++i) { - if ((g = gestures[i]).that === that) { - return g; - } - } - return new Gesture(that, args); - } - - function Gesture(that, args) { - this.that = that; - this.args = args; - this.index = -1; - this.active = 0; - this.extent = extent.apply(that, args); - } - - Gesture.prototype = { - start: function() { - if (++this.active === 1) { - this.index = gestures.push(this) - 1; - this.emit("start"); - } - return this; - }, - zoom: function(key, transform) { - if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]); - if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); - if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); - this.that.__zoom = transform; - this.emit("zoom"); - return this; - }, - end: function() { - if (--this.active === 0) { - gestures.splice(this.index, 1); - this.index = -1; - this.emit("end"); - } - return this; - }, - emit: function(type) { - customEvent(new ZoomEvent(zoom, type, this.that.__zoom), listeners.apply, listeners, [type, this.that, this.args]); - } - }; - - function wheeled() { - if (!filter.apply(this, arguments)) return; - var g = gesture(this, arguments), - t = this.__zoom, - k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500))), - p = mouse(this); - - // If the mouse is in the same location as before, reuse it. - // If there were recent wheel events, reset the wheel idle timeout. - if (g.wheel) { - if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) { - g.mouse[1] = t.invert(g.mouse[0] = p); - } - clearTimeout(g.wheel); - } - - // If this wheel event won’t trigger a transform change, ignore it. - else if (t.k === k) return; - - // Otherwise, capture the mouse point and location at the start. - else { - g.mouse = [p, t.invert(p)]; - interrupt(this); - g.start(); - } - - noevent$1(); - g.wheel = setTimeout(wheelidled, wheelDelay); - g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent)); - - function wheelidled() { - g.wheel = null; - g.end(); - } - } - - function mousedowned() { - if (touchending || !filter.apply(this, arguments)) return; - var g = gesture(this, arguments), - v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), - p = mouse(this); - - dragDisable(exports.event.view); - nopropagation$1(); - g.mouse = [p, this.__zoom.invert(p)]; - interrupt(this); - g.start(); - - function mousemoved() { - noevent$1(); - g.moved = true; - g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent)); - } - - function mouseupped() { - v.on("mousemove.zoom mouseup.zoom", null); - dragEnable(exports.event.view, g.moved); - noevent$1(); - g.end(); - } - } - - function dblclicked() { - if (!filter.apply(this, arguments)) return; - var t0 = this.__zoom, - p0 = mouse(this), - p1 = t0.invert(p0), - k1 = t0.k * (exports.event.shiftKey ? 0.5 : 2), - t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments)); - - noevent$1(); - if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0); - else select(this).call(zoom.transform, t1); - } - - function touchstarted() { - if (!filter.apply(this, arguments)) return; - var g = gesture(this, arguments), - touches = exports.event.changedTouches, - n = touches.length, i, t, p; - - nopropagation$1(); - for (i = 0; i < n; ++i) { - t = touches[i], p = touch(this, touches, t.identifier); - p = [p, this.__zoom.invert(p), t.identifier]; - if (!g.touch0) g.touch0 = p; - else if (!g.touch1) g.touch1 = p; - } - if (touchstarting) { - touchstarting = clearTimeout(touchstarting); - if (!g.touch1) return g.end(), dblclicked.apply(this, arguments); - } - if (exports.event.touches.length === n) { - touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); - interrupt(this); - g.start(); - } - } - - function touchmoved() { - var g = gesture(this, arguments), - touches = exports.event.changedTouches, - n = touches.length, i, t, p, l; - - noevent$1(); - if (touchstarting) touchstarting = clearTimeout(touchstarting); - for (i = 0; i < n; ++i) { - t = touches[i], p = touch(this, touches, t.identifier); - if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; - else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; - } - t = g.that.__zoom; - if (g.touch1) { - var p0 = g.touch0[0], l0 = g.touch0[1], - p1 = g.touch1[0], l1 = g.touch1[1], - dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp, - dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl; - t = scale(t, Math.sqrt(dp / dl)); - p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2]; - l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2]; - } - else if (g.touch0) p = g.touch0[0], l = g.touch0[1]; - else return; - g.zoom("touch", constrain(translate(t, p, l), g.extent)); - } - - function touchended() { - var g = gesture(this, arguments), - touches = exports.event.changedTouches, - n = touches.length, i, t; - - nopropagation$1(); - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, touchDelay); - for (i = 0; i < n; ++i) { - t = touches[i]; - if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; - else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; - } - if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1; - if (!g.touch0) g.end(); - } - - zoom.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$9(!!_), zoom) : filter; - }; - - zoom.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$9([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; - }; - - zoom.scaleExtent = function(_) { - return arguments.length ? (k0 = +_[0], k1 = +_[1], zoom) : [k0, k1]; - }; - - zoom.translateExtent = function(_) { - return arguments.length ? (x0 = +_[0][0], x1 = +_[1][0], y0 = +_[0][1], y1 = +_[1][1], zoom) : [[x0, y0], [x1, y1]]; - }; - - zoom.duration = function(_) { - return arguments.length ? (duration = +_, zoom) : duration; - }; - - zoom.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? zoom : value; - }; - - return zoom; - } - - function constant$10(x) { - return function() { - return x; - }; - } - - function BrushEvent(target, type, selection) { - this.target = target; - this.type = type; - this.selection = selection; - } - - function nopropagation$2() { - exports.event.stopImmediatePropagation(); - } - - function noevent$2() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); - } - - var MODE_DRAG = {name: "drag"}; - var MODE_SPACE = {name: "space"}; - var MODE_HANDLE = {name: "handle"}; - var MODE_CENTER = {name: "center"}; - var X = { - name: "x", - handles: ["e", "w"].map(type$1), - input: function(x, e) { return x && [[x[0], e[0][1]], [x[1], e[1][1]]]; }, - output: function(xy) { return xy && [xy[0][0], xy[1][0]]; } - }; - - var Y = { - name: "y", - handles: ["n", "s"].map(type$1), - input: function(y, e) { return y && [[e[0][0], y[0]], [e[1][0], y[1]]]; }, - output: function(xy) { return xy && [xy[0][1], xy[1][1]]; } - }; - - var XY = { - name: "xy", - handles: ["n", "e", "s", "w", "nw", "ne", "se", "sw"].map(type$1), - input: function(xy) { return xy; }, - output: function(xy) { return xy; } - }; - - var cursors = { - overlay: "crosshair", - selection: "move", - n: "ns-resize", - e: "ew-resize", - s: "ns-resize", - w: "ew-resize", - nw: "nwse-resize", - ne: "nesw-resize", - se: "nwse-resize", - sw: "nesw-resize" - }; - - var flipX = { - e: "w", - w: "e", - nw: "ne", - ne: "nw", - se: "sw", - sw: "se" - }; - - var flipY = { - n: "s", - s: "n", - nw: "sw", - ne: "se", - se: "ne", - sw: "nw" - }; - - var signsX = { - overlay: +1, - selection: +1, - n: null, - e: +1, - s: null, - w: -1, - nw: -1, - ne: +1, - se: +1, - sw: -1 - }; - - var signsY = { - overlay: +1, - selection: +1, - n: -1, - e: null, - s: +1, - w: null, - nw: -1, - ne: -1, - se: +1, - sw: +1 - }; - - function type$1(t) { - return {type: t}; - } - - // Ignore right-click, since that should open the context menu. - function defaultFilter$2() { - return !exports.event.button; - } - - function defaultExtent$1() { - var svg = this.ownerSVGElement || this; - return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]]; - } - - // Like d3.local, but with the name “__brush” rather than auto-generated. - function local$1(node) { - while (!node.__brush) if (!(node = node.parentNode)) return; - return node.__brush; - } - - function empty$1(extent) { - return extent[0][0] === extent[1][0] - || extent[0][1] === extent[1][1]; - } - - function brushSelection(node) { - var state = node.__brush; - return state ? state.dim.output(state.selection) : null; - } - - function brushX() { - return brush$1(X); - } - - function brushY() { - return brush$1(Y); - } - - function brush() { - return brush$1(XY); - } - - function brush$1(dim) { - var extent = defaultExtent$1, - filter = defaultFilter$2, - listeners = dispatch(brush, "start", "brush", "end"), - handleSize = 6, - touchending; - - function brush(group) { - var overlay = group - .property("__brush", initialize) - .selectAll(".overlay") - .data([type$1("overlay")]); - - overlay.enter().append("rect") - .attr("class", "overlay") - .attr("pointer-events", "all") - .attr("cursor", cursors.overlay) - .merge(overlay) - .each(function() { - var extent = local$1(this).extent; - select(this) - .attr("x", extent[0][0]) - .attr("y", extent[0][1]) - .attr("width", extent[1][0] - extent[0][0]) - .attr("height", extent[1][1] - extent[0][1]); - }); - - group.selectAll(".selection") - .data([type$1("selection")]) - .enter().append("rect") - .attr("class", "selection") - .attr("cursor", cursors.selection) - .attr("fill", "#777") - .attr("fill-opacity", 0.3) - .attr("stroke", "#fff") - .attr("shape-rendering", "crispEdges"); - - var handle = group.selectAll(".handle") - .data(dim.handles, function(d) { return d.type; }); - - handle.exit().remove(); - - handle.enter().append("rect") - .attr("class", function(d) { return "handle handle--" + d.type; }) - .attr("cursor", function(d) { return cursors[d.type]; }); - - group - .each(redraw) - .attr("fill", "none") - .attr("pointer-events", "all") - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") - .on("mousedown.brush touchstart.brush", started); - } - - brush.move = function(group, selection) { - if (group.selection) { - group - .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) - .on("interrupt.brush end.brush", function() { emitter(this, arguments).end(); }) - .tween("brush", function() { - var that = this, - state = that.__brush, - emit = emitter(that, arguments), - selection0 = state.selection, - selection1 = dim.input(typeof selection === "function" ? selection.apply(this, arguments) : selection, state.extent), - i = interpolate(selection0, selection1); - - function tween(t) { - state.selection = t === 1 && empty$1(selection1) ? null : i(t); - redraw.call(that); - emit.brush(); - } - - return selection0 && selection1 ? tween : tween(1); - }); - } else { - group - .each(function() { - var that = this, - args = arguments, - state = that.__brush, - selection1 = dim.input(typeof selection === "function" ? selection.apply(that, args) : selection, state.extent), - emit = emitter(that, args).beforestart(); - - interrupt(that); - state.selection = selection1 == null || empty$1(selection1) ? null : selection1; - redraw.call(that); - emit.start().brush().end(); - }); - } - }; - - function redraw() { - var group = select(this), - selection = local$1(this).selection; - - if (selection) { - group.selectAll(".selection") - .style("display", null) - .attr("x", selection[0][0]) - .attr("y", selection[0][1]) - .attr("width", selection[1][0] - selection[0][0]) - .attr("height", selection[1][1] - selection[0][1]); - - group.selectAll(".handle") - .style("display", null) - .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection[1][0] - handleSize / 2 : selection[0][0] - handleSize / 2; }) - .attr("y", function(d) { return d.type[0] === "s" ? selection[1][1] - handleSize / 2 : selection[0][1] - handleSize / 2; }) - .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection[1][0] - selection[0][0] + handleSize : handleSize; }) - .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection[1][1] - selection[0][1] + handleSize : handleSize; }); - } - - else { - group.selectAll(".selection,.handle") - .style("display", "none") - .attr("x", null) - .attr("y", null) - .attr("width", null) - .attr("height", null); - } - } - - function emitter(that, args) { - return that.__brush.emitter || new Emitter(that, args); - } - - function Emitter(that, args) { - this.that = that; - this.args = args; - this.state = that.__brush; - this.active = 0; - } - - Emitter.prototype = { - beforestart: function() { - if (++this.active === 1) this.state.emitter = this, this.starting = true; - return this; - }, - start: function() { - if (this.starting) this.starting = false, this.emit("start"); - return this; - }, - brush: function() { - this.emit("brush"); - return this; - }, - end: function() { - if (--this.active === 0) delete this.state.emitter, this.emit("end"); - return this; - }, - emit: function(type) { - customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]); - } - }; - - function started() { - if (exports.event.touches) { if (exports.event.changedTouches.length < exports.event.touches.length) return noevent$2(); } - else if (touchending) return; - if (!filter.apply(this, arguments)) return; - - var that = this, - type = exports.event.target.__data__.type, - mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE), - signX = dim === Y ? null : signsX[type], - signY = dim === X ? null : signsY[type], - state = local$1(that), - extent = state.extent, - selection = state.selection, - W = extent[0][0], w0, w1, - N = extent[0][1], n0, n1, - E = extent[1][0], e0, e1, - S = extent[1][1], s0, s1, - dx, - dy, - moving, - shifting = signX && signY && exports.event.shiftKey, - lockX, - lockY, - point0 = mouse(that), - point = point0, - emit = emitter(that, arguments).beforestart(); - - if (type === "overlay") { - state.selection = selection = [ - [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], - [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] - ]; - } else { - w0 = selection[0][0]; - n0 = selection[0][1]; - e0 = selection[1][0]; - s0 = selection[1][1]; - } +function Circle() { + RedBlackNode(this); + this.x = + this.y = + this.arc = + this.site = + this.cy = null; +} - w1 = w0; - n1 = n0; - e1 = e0; - s1 = s0; +function attachCircle(arc) { + var lArc = arc.P, + rArc = arc.N; - var group = select(that) - .attr("pointer-events", "none"); + if (!lArc || !rArc) return; - var overlay = group.selectAll(".overlay") - .attr("cursor", cursors[type]); - - if (exports.event.touches) { - group - .on("touchmove.brush", moved, true) - .on("touchend.brush touchcancel.brush", ended, true); - } else { - var view = select(exports.event.view) - .on("keydown.brush", keydowned, true) - .on("keyup.brush", keyupped, true) - .on("mousemove.brush", moved, true) - .on("mouseup.brush", ended, true); + var lSite = lArc.site, + cSite = arc.site, + rSite = rArc.site; - dragDisable(exports.event.view); - } + if (lSite === rSite) return; - nopropagation$2(); - interrupt(that); - redraw.call(that); - emit.start(); - - function moved() { - var point1 = mouse(that); - if (shifting && !lockX && !lockY) { - if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true; - else lockX = true; - } - point = point1; - moving = true; - noevent$2(); - move(); - } + var bx = cSite[0], + by = cSite[1], + ax = lSite[0] - bx, + ay = lSite[1] - by, + cx = rSite[0] - bx, + cy = rSite[1] - by; - function move() { - var t; + var d = 2 * (ax * cy - ay * cx); + if (d >= -epsilon2$1) return; - dx = point[0] - point0[0]; - dy = point[1] - point0[1]; + var ha = ax * ax + ay * ay, + hc = cx * cx + cy * cy, + x = (cy * ha - ay * hc) / d, + y = (ax * hc - cx * ha) / d; - switch (mode) { - case MODE_SPACE: - case MODE_DRAG: { - if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx; - if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy; - break; - } - case MODE_HANDLE: { - if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0; - else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx; - if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0; - else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy; - break; - } - case MODE_CENTER: { - if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX)); - if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY)); - break; - } - } + var circle = circlePool.pop() || new Circle; + circle.arc = arc; + circle.site = cSite; + circle.x = x + bx; + circle.y = (circle.cy = y + by) + Math.sqrt(x * x + y * y); // y bottom - if (e1 < w1) { - signX *= -1; - t = w0, w0 = e0, e0 = t; - t = w1, w1 = e1, e1 = t; - if (type in flipX) overlay.attr("cursor", cursors[type = flipX[type]]); - } + arc.circle = circle; - if (s1 < n1) { - signY *= -1; - t = n0, n0 = s0, s0 = t; - t = n1, n1 = s1, s1 = t; - if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); - } + var before = null, + node = circles._; - selection = state.selection; // May be set by brush.move! + while (node) { + if (circle.y < node.y || (circle.y === node.y && circle.x <= node.x)) { + if (node.L) node = node.L; + else { before = node.P; break; } + } else { + if (node.R) node = node.R; + else { before = node; break; } + } + } + + circles.insert(before, circle); + if (!before) firstCircle = circle; +} + +function detachCircle(arc) { + var circle = arc.circle; + if (circle) { + if (!circle.P) firstCircle = circle.N; + circles.remove(circle); + circlePool.push(circle); + RedBlackNode(circle); + arc.circle = null; + } +} + +var beachPool = []; + +function Beach() { + RedBlackNode(this); + this.edge = + this.site = + this.circle = null; +} + +function createBeach(site) { + var beach = beachPool.pop() || new Beach; + beach.site = site; + return beach; +} + +function detachBeach(beach) { + detachCircle(beach); + beaches.remove(beach); + beachPool.push(beach); + RedBlackNode(beach); +} + +function removeBeach(beach) { + var circle = beach.circle, + x = circle.x, + y = circle.cy, + vertex = [x, y], + previous = beach.P, + next = beach.N, + disappearing = [beach]; + + detachBeach(beach); + + var lArc = previous; + while (lArc.circle + && Math.abs(x - lArc.circle.x) < epsilon$3 + && Math.abs(y - lArc.circle.cy) < epsilon$3) { + previous = lArc.P; + disappearing.unshift(lArc); + detachBeach(lArc); + lArc = previous; + } - if (lockX) w1 = selection[0][0], e1 = selection[1][0]; - if (lockY) n1 = selection[0][1], s1 = selection[1][1]; + disappearing.unshift(lArc); + detachCircle(lArc); - if (selection[0][0] !== w1 - || selection[0][1] !== n1 - || selection[1][0] !== e1 - || selection[1][1] !== s1) { - state.selection = [[w1, n1], [e1, s1]]; - redraw.call(that); - emit.brush(); + var rArc = next; + while (rArc.circle + && Math.abs(x - rArc.circle.x) < epsilon$3 + && Math.abs(y - rArc.circle.cy) < epsilon$3) { + next = rArc.N; + disappearing.push(rArc); + detachBeach(rArc); + rArc = next; + } + + disappearing.push(rArc); + detachCircle(rArc); + + var nArcs = disappearing.length, + iArc; + for (iArc = 1; iArc < nArcs; ++iArc) { + rArc = disappearing[iArc]; + lArc = disappearing[iArc - 1]; + setEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); + } + + lArc = disappearing[0]; + rArc = disappearing[nArcs - 1]; + rArc.edge = createEdge(lArc.site, rArc.site, null, vertex); + + attachCircle(lArc); + attachCircle(rArc); +} + +function addBeach(site) { + var x = site[0], + directrix = site[1], + lArc, + rArc, + dxl, + dxr, + node = beaches._; + + while (node) { + dxl = leftBreakPoint(node, directrix) - x; + if (dxl > epsilon$3) node = node.L; else { + dxr = x - rightBreakPoint(node, directrix); + if (dxr > epsilon$3) { + if (!node.R) { + lArc = node; + break; } - } - - function ended() { - nopropagation$2(); - if (exports.event.touches) { - if (exports.event.touches.length) return; - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! - group.on("touchmove.brush touchend.brush touchcancel.brush", null); + node = node.R; + } else { + if (dxl > -epsilon$3) { + lArc = node.P; + rArc = node; + } else if (dxr > -epsilon$3) { + lArc = node; + rArc = node.N; } else { - dragEnable(exports.event.view, moving); - view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); - } - group.attr("pointer-events", "all"); - overlay.attr("cursor", cursors.overlay); - if (empty$1(selection)) state.selection = null, redraw.call(that); - emit.end(); - } - - function keydowned() { - switch (exports.event.keyCode) { - case 16: { // SHIFT - shifting = signX && signY; - break; - } - case 18: { // ALT - if (mode === MODE_HANDLE) { - if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; - if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; - mode = MODE_CENTER; - move(); - } - break; - } - case 32: { // SPACE; takes priority over ALT - if (mode === MODE_HANDLE || mode === MODE_CENTER) { - if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx; - if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy; - mode = MODE_SPACE; - overlay.attr("cursor", cursors.selection); - move(); - } - break; - } - default: return; - } - noevent$2(); - } - - function keyupped() { - switch (exports.event.keyCode) { - case 16: { // SHIFT - if (shifting) { - lockX = lockY = shifting = false; - move(); - } - break; - } - case 18: { // ALT - if (mode === MODE_CENTER) { - if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; - if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; - mode = MODE_HANDLE; - move(); - } - break; - } - case 32: { // SPACE - if (mode === MODE_SPACE) { - if (exports.event.altKey) { - if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; - if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; - mode = MODE_CENTER; - } else { - if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; - if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; - mode = MODE_HANDLE; - } - overlay.attr("cursor", cursors[type]); - move(); - } - break; - } - default: return; + lArc = rArc = node; } - noevent$2(); + break; } } - - function initialize() { - var state = this.__brush || {selection: null}; - state.extent = extent.apply(this, arguments); - state.dim = dim; - return state; - } - - brush.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$10([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), brush) : extent; - }; - - brush.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$10(!!_), brush) : filter; - }; - - brush.handleSize = function(_) { - return arguments.length ? (handleSize = +_, brush) : handleSize; - }; - - brush.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? brush : value; - }; - - return brush; - } - - var cos = Math.cos; - var sin = Math.sin; - var pi$3 = Math.PI; - var halfPi$2 = pi$3 / 2; - var tau$3 = pi$3 * 2; - var max$1 = Math.max; - - function compareValue(compare) { - return function(a, b) { - return compare( - a.source.value + a.target.value, - b.source.value + b.target.value - ); - }; } - function chord() { - var padAngle = 0, - sortGroups = null, - sortSubgroups = null, - sortChords = null; - - function chord(matrix) { - var n = matrix.length, - groupSums = [], - groupIndex = range(n), - subgroupIndex = [], - chords = [], - groups = chords.groups = new Array(n), - subgroups = new Array(n * n), - k, - x, - x0, - dx, - i, - j; - - // Compute the sum. - k = 0, i = -1; while (++i < n) { - x = 0, j = -1; while (++j < n) { - x += matrix[i][j]; - } - groupSums.push(x); - subgroupIndex.push(range(n)); - k += x; - } - - // Sort groups… - if (sortGroups) groupIndex.sort(function(a, b) { - return sortGroups(groupSums[a], groupSums[b]); - }); - - // Sort subgroups… - if (sortSubgroups) subgroupIndex.forEach(function(d, i) { - d.sort(function(a, b) { - return sortSubgroups(matrix[i][a], matrix[i][b]); - }); - }); + createCell(site); + var newArc = createBeach(site); + beaches.insert(lArc, newArc); - // Convert the sum to scaling factor for [0, 2pi]. - // TODO Allow start and end angle to be specified? - // TODO Allow padding to be specified as percentage? - k = max$1(0, tau$3 - padAngle * n) / k; - dx = k ? padAngle : tau$3 / n; - - // Compute the start and end angle for each group and subgroup. - // Note: Opera has a bug reordering object literal properties! - x = 0, i = -1; while (++i < n) { - x0 = x, j = -1; while (++j < n) { - var di = groupIndex[i], - dj = subgroupIndex[di][j], - v = matrix[di][dj], - a0 = x, - a1 = x += v * k; - subgroups[dj * n + di] = { - index: di, - subindex: dj, - startAngle: a0, - endAngle: a1, - value: v - }; - } - groups[di] = { - index: di, - startAngle: x0, - endAngle: x, - value: groupSums[di] - }; - x += dx; - } - - // Generate chords for each (non-empty) subgroup-subgroup link. - i = -1; while (++i < n) { - j = i - 1; while (++j < n) { - var source = subgroups[j * n + i], - target = subgroups[i * n + j]; - if (source.value || target.value) { - chords.push(source.value < target.value - ? {source: target, target: source} - : {source: source, target: target}); - } - } - } + if (!lArc && !rArc) return; - return sortChords ? chords.sort(sortChords) : chords; + if (lArc === rArc) { + detachCircle(lArc); + rArc = createBeach(lArc.site); + beaches.insert(newArc, rArc); + newArc.edge = rArc.edge = createEdge(lArc.site, newArc.site); + attachCircle(lArc); + attachCircle(rArc); + return; + } + + if (!rArc) { // && lArc + newArc.edge = createEdge(lArc.site, newArc.site); + return; + } + + // else lArc !== rArc + detachCircle(lArc); + detachCircle(rArc); + + var lSite = lArc.site, + ax = lSite[0], + ay = lSite[1], + bx = site[0] - ax, + by = site[1] - ay, + rSite = rArc.site, + cx = rSite[0] - ax, + cy = rSite[1] - ay, + d = 2 * (bx * cy - by * cx), + hb = bx * bx + by * by, + hc = cx * cx + cy * cy, + vertex = [(cy * hb - by * hc) / d + ax, (bx * hc - cx * hb) / d + ay]; + + setEdgeEnd(rArc.edge, lSite, rSite, vertex); + newArc.edge = createEdge(lSite, site, null, vertex); + rArc.edge = createEdge(site, rSite, null, vertex); + attachCircle(lArc); + attachCircle(rArc); +} + +function leftBreakPoint(arc, directrix) { + var site = arc.site, + rfocx = site[0], + rfocy = site[1], + pby2 = rfocy - directrix; + + if (!pby2) return rfocx; + + var lArc = arc.P; + if (!lArc) return -Infinity; + + site = lArc.site; + var lfocx = site[0], + lfocy = site[1], + plby2 = lfocy - directrix; + + if (!plby2) return lfocx; + + var hl = lfocx - rfocx, + aby2 = 1 / pby2 - 1 / plby2, + b = hl / plby2; + + if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; + + return (rfocx + lfocx) / 2; +} + +function rightBreakPoint(arc, directrix) { + var rArc = arc.N; + if (rArc) return leftBreakPoint(rArc, directrix); + var site = arc.site; + return site[1] === directrix ? site[0] : Infinity; +} + +var epsilon$3 = 1e-6; +var epsilon2$1 = 1e-12; +var beaches; +var cells; +var circles; +var edges; + +function triangleArea(a, b, c) { + return (a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]); +} + +function lexicographic(a, b) { + return b[1] - a[1] + || b[0] - a[0]; +} + +function Diagram(sites, extent) { + var site = sites.sort(lexicographic).pop(), + x, + y, + circle; + + edges = []; + cells = new Array(sites.length); + beaches = new RedBlackTree; + circles = new RedBlackTree; + + while (true) { + circle = firstCircle; + if (site && (!circle || site[1] < circle.y || (site[1] === circle.y && site[0] < circle.x))) { + if (site[0] !== x || site[1] !== y) { + addBeach(site); + x = site[0], y = site[1]; + } + site = sites.pop(); + } else if (circle) { + removeBeach(circle.arc); + } else { + break; } - - chord.padAngle = function(_) { - return arguments.length ? (padAngle = max$1(0, _), chord) : padAngle; - }; - - chord.sortGroups = function(_) { - return arguments.length ? (sortGroups = _, chord) : sortGroups; - }; - - chord.sortSubgroups = function(_) { - return arguments.length ? (sortSubgroups = _, chord) : sortSubgroups; - }; - - chord.sortChords = function(_) { - return arguments.length ? (_ == null ? sortChords = null : (sortChords = compareValue(_))._ = _, chord) : sortChords && sortChords._; - }; - - return chord; - } - - var slice$5 = Array.prototype.slice; - - function constant$11(x) { - return function() { - return x; - }; - } - - function defaultSource(d) { - return d.source; - } - - function defaultTarget(d) { - return d.target; } - function defaultRadius$1(d) { - return d.radius; - } + sortCellHalfedges(); - function defaultStartAngle(d) { - return d.startAngle; + if (extent) { + var x0 = +extent[0][0], + y0 = +extent[0][1], + x1 = +extent[1][0], + y1 = +extent[1][1]; + clipEdges(x0, y0, x1, y1); + clipCells(x0, y0, x1, y1); } - function defaultEndAngle(d) { - return d.endAngle; - } + this.edges = edges; + this.cells = cells; - function ribbon() { - var source = defaultSource, - target = defaultTarget, - radius = defaultRadius$1, - startAngle = defaultStartAngle, - endAngle = defaultEndAngle, - context = null; - - function ribbon() { - var buffer, - argv = slice$5.call(arguments), - s = source.apply(this, argv), - t = target.apply(this, argv), - sr = +radius.apply(this, (argv[0] = s, argv)), - sa0 = startAngle.apply(this, argv) - halfPi$2, - sa1 = endAngle.apply(this, argv) - halfPi$2, - sx0 = sr * cos(sa0), - sy0 = sr * sin(sa0), - tr = +radius.apply(this, (argv[0] = t, argv)), - ta0 = startAngle.apply(this, argv) - halfPi$2, - ta1 = endAngle.apply(this, argv) - halfPi$2; - - if (!context) context = buffer = path(); - - context.moveTo(sx0, sy0); - context.arc(0, 0, sr, sa0, sa1); - if (sa0 !== ta0 || sa1 !== ta1) { // TODO sr !== tr? - context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0)); - context.arc(0, 0, tr, ta0, ta1); - } - context.quadraticCurveTo(0, 0, sx0, sy0); - context.closePath(); - - if (buffer) return context = null, buffer + "" || null; - } - - ribbon.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$11(+_), ribbon) : radius; - }; + beaches = + circles = + edges = + cells = null; +} - ribbon.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$11(+_), ribbon) : startAngle; - }; +Diagram.prototype = { + constructor: Diagram, - ribbon.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$11(+_), ribbon) : endAngle; - }; + polygons: function() { + var edges = this.edges; - ribbon.source = function(_) { - return arguments.length ? (source = _, ribbon) : source; - }; + return this.cells.map(function(cell) { + var polygon = cell.halfedges.map(function(i) { return cellHalfedgeStart(cell, edges[i]); }); + polygon.data = cell.site.data; + return polygon; + }); + }, + + triangles: function() { + var triangles = [], + edges = this.edges; + + this.cells.forEach(function(cell, i) { + var site = cell.site, + halfedges = cell.halfedges, + j = -1, + m = halfedges.length, + s0, + e1 = edges[halfedges[m - 1]], + s1 = e1.left === site ? e1.right : e1.left; - ribbon.target = function(_) { - return arguments.length ? (target = _, ribbon) : target; - }; + while (++j < m) { + s0 = s1; + e1 = edges[halfedges[j]]; + s1 = e1.left === site ? e1.right : e1.left; + if (i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) { + triangles.push([site.data, s0.data, s1.data]); + } + } + }); - ribbon.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), ribbon) : context; - }; + return triangles; + }, - return ribbon; + links: function() { + return this.edges.filter(function(edge) { + return edge.right; + }).map(function(edge) { + return { + source: edge.left.data, + target: edge.right.data + }; + }); } +} - // Adds floating point numbers with twice the normal precision. - // Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and - // Fast Robust Geometric Predicates, Discrete & Computational Geometry 18(3) - // 305–363 (1997). - // Code adapted from GeographicLib by Charles F. F. Karney, - // http://geographiclib.sourceforge.net/ - - function adder() { - return new Adder; - } +var voronoi = function() { + var x$$1 = x$4, + y$$1 = y$4, + extent = null; - function Adder() { - this.reset(); + function voronoi(data) { + return new Diagram(data.map(function(d, i) { + var s = [Math.round(x$$1(d, i, data) / epsilon$3) * epsilon$3, Math.round(y$$1(d, i, data) / epsilon$3) * epsilon$3]; + s.index = i; + s.data = d; + return s; + }), extent); } - Adder.prototype = { - constructor: Adder, - reset: function() { - this.s = // rounded value - this.t = 0; // exact error - }, - add: function(y) { - add$1(temp, y, this.t); - add$1(this, temp.s, this.s); - if (this.s) this.t += temp.t; - else this.s = temp.t; - }, - valueOf: function() { - return this.s; - } + voronoi.polygons = function(data) { + return voronoi(data).polygons(); }; - var temp = new Adder; - - function add$1(adder, a, b) { - var x = adder.s = a + b, - bv = x - a, - av = x - bv; - adder.t = (a - av) + (b - bv); - } - - var epsilon$4 = 1e-6; - var epsilon2$2 = 1e-12; - var pi$4 = Math.PI; - var halfPi$3 = pi$4 / 2; - var quarterPi = pi$4 / 4; - var tau$4 = pi$4 * 2; - - var degrees$1 = 180 / pi$4; - var radians = pi$4 / 180; - - var abs = Math.abs; - var atan = Math.atan; - var atan2 = Math.atan2; - var cos$1 = Math.cos; - var ceil = Math.ceil; - var exp = Math.exp; - var log$1 = Math.log; - var pow$1 = Math.pow; - var sin$1 = Math.sin; - var sign$1 = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; }; - var sqrt$1 = Math.sqrt; - var tan = Math.tan; - - function acos(x) { - return x > 1 ? 0 : x < -1 ? pi$4 : Math.acos(x); - } - - function asin$1(x) { - return x > 1 ? halfPi$3 : x < -1 ? -halfPi$3 : Math.asin(x); - } - - function haversin(x) { - return (x = sin$1(x / 2)) * x; - } + voronoi.links = function(data) { + return voronoi(data).links(); + }; - function noop$2() {} + voronoi.triangles = function(data) { + return voronoi(data).triangles(); + }; - function streamGeometry(geometry, stream) { - if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { - streamGeometryType[geometry.type](geometry, stream); - } - } + voronoi.x = function(_) { + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$9(+_), voronoi) : x$$1; + }; - var streamObjectType = { - Feature: function(feature, stream) { - streamGeometry(feature.geometry, stream); - }, - FeatureCollection: function(object, stream) { - var features = object.features, i = -1, n = features.length; - while (++i < n) streamGeometry(features[i].geometry, stream); - } + voronoi.y = function(_) { + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$9(+_), voronoi) : y$$1; }; - var streamGeometryType = { - Sphere: function(object, stream) { - stream.sphere(); - }, - Point: function(object, stream) { - object = object.coordinates; - stream.point(object[0], object[1], object[2]); - }, - MultiPoint: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]); - }, - LineString: function(object, stream) { - streamLine(object.coordinates, stream, 0); - }, - MultiLineString: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) streamLine(coordinates[i], stream, 0); - }, - Polygon: function(object, stream) { - streamPolygon(object.coordinates, stream); - }, - MultiPolygon: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) streamPolygon(coordinates[i], stream); - }, - GeometryCollection: function(object, stream) { - var geometries = object.geometries, i = -1, n = geometries.length; - while (++i < n) streamGeometry(geometries[i], stream); - } + voronoi.extent = function(_) { + return arguments.length ? (extent = _ == null ? null : [[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]], voronoi) : extent && [[extent[0][0], extent[0][1]], [extent[1][0], extent[1][1]]]; }; - function streamLine(coordinates, stream, closed) { - var i = -1, n = coordinates.length - closed, coordinate; - stream.lineStart(); - while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]); - stream.lineEnd(); - } + voronoi.size = function(_) { + return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0] - extent[0][0], extent[1][1] - extent[0][1]]; + }; - function streamPolygon(coordinates, stream) { - var i = -1, n = coordinates.length; - stream.polygonStart(); - while (++i < n) streamLine(coordinates[i], stream, 1); - stream.polygonEnd(); - } + return voronoi; +} - function geoStream(object, stream) { - if (object && streamObjectType.hasOwnProperty(object.type)) { - streamObjectType[object.type](object, stream); +var constant$10 = function(x) { + return function() { + return x; + }; +} + +function ZoomEvent(target, type, transform) { + this.target = target; + this.type = type; + this.transform = transform; +} + +function Transform(k, x, y) { + this.k = k; + this.x = x; + this.y = y; +} + +Transform.prototype = { + constructor: Transform, + scale: function(k) { + return k === 1 ? this : new Transform(this.k * k, this.x, this.y); + }, + translate: function(x, y) { + return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y); + }, + apply: function(point) { + return [point[0] * this.k + this.x, point[1] * this.k + this.y]; + }, + applyX: function(x) { + return x * this.k + this.x; + }, + applyY: function(y) { + return y * this.k + this.y; + }, + invert: function(location) { + return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k]; + }, + invertX: function(x) { + return (x - this.x) / this.k; + }, + invertY: function(y) { + return (y - this.y) / this.k; + }, + rescaleX: function(x) { + return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x)); + }, + rescaleY: function(y) { + return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y)); + }, + toString: function() { + return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")"; + } +}; + +var identity$6 = new Transform(1, 0, 0); + +transform.prototype = Transform.prototype; + +function transform(node) { + return node.__zoom || identity$6; +} + +function nopropagation$1() { + exports.event.stopImmediatePropagation(); +} + +var noevent$1 = function() { + exports.event.preventDefault(); + exports.event.stopImmediatePropagation(); +} + +// Ignore right-click, since that should open the context menu. +function defaultFilter$1() { + return !exports.event.button; +} + +function defaultExtent() { + var e = this, w, h; + if (e instanceof SVGElement) { + e = e.ownerSVGElement || e; + w = e.width.baseVal.value; + h = e.height.baseVal.value; + } else { + w = e.clientWidth; + h = e.clientHeight; + } + return [[0, 0], [w, h]]; +} + +function defaultTransform() { + return this.__zoom || identity$6; +} + +var zoom = function() { + var filter = defaultFilter$1, + extent = defaultExtent, + k0 = 0, + k1 = Infinity, + x0 = -k1, + x1 = k1, + y0 = x0, + y1 = x1, + duration = 250, + gestures = [], + listeners = dispatch("start", "zoom", "end"), + touchstarting, + touchending, + touchDelay = 500, + wheelDelay = 150; + + function zoom(selection$$1) { + selection$$1 + .on("wheel.zoom", wheeled) + .on("mousedown.zoom", mousedowned) + .on("dblclick.zoom", dblclicked) + .on("touchstart.zoom", touchstarted) + .on("touchmove.zoom", touchmoved) + .on("touchend.zoom touchcancel.zoom", touchended) + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") + .property("__zoom", defaultTransform); + } + + zoom.transform = function(collection, transform) { + var selection$$1 = collection.selection ? collection.selection() : collection; + selection$$1.property("__zoom", defaultTransform); + if (collection !== selection$$1) { + schedule(collection, transform); } else { - streamGeometry(object, stream); - } - } - - var areaRingSum = adder(); - - var areaSum = adder(); - var lambda00; - var phi00; - var lambda0; - var cosPhi0; - var sinPhi0; - var areaStream = { - point: noop$2, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: function() { - areaRingSum.reset(); - areaStream.lineStart = areaRingStart; - areaStream.lineEnd = areaRingEnd; - }, - polygonEnd: function() { - var areaRing = +areaRingSum; - areaSum.add(areaRing < 0 ? tau$4 + areaRing : areaRing); - this.lineStart = this.lineEnd = this.point = noop$2; - }, - sphere: function() { - areaSum.add(tau$4); + selection$$1.interrupt().each(function() { + gesture(this, arguments) + .start() + .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) + .end(); + }); } }; - function areaRingStart() { - areaStream.point = areaPointFirst; - } - - function areaRingEnd() { - areaPoint(lambda00, phi00); - } - - function areaPointFirst(lambda, phi) { - areaStream.point = areaPoint; - lambda00 = lambda, phi00 = phi; - lambda *= radians, phi *= radians; - lambda0 = lambda, cosPhi0 = cos$1(phi = phi / 2 + quarterPi), sinPhi0 = sin$1(phi); - } - - function areaPoint(lambda, phi) { - lambda *= radians, phi *= radians; - phi = phi / 2 + quarterPi; // half the angular distance from south pole - - // Spherical excess E for a spherical triangle with vertices: south pole, - // previous point, current point. Uses a formula derived from Cagnoli’s - // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2). - var dLambda = lambda - lambda0, - sdLambda = dLambda >= 0 ? 1 : -1, - adLambda = sdLambda * dLambda, - cosPhi = cos$1(phi), - sinPhi = sin$1(phi), - k = sinPhi0 * sinPhi, - u = cosPhi0 * cosPhi + k * cos$1(adLambda), - v = k * sdLambda * sin$1(adLambda); - areaRingSum.add(atan2(v, u)); - - // Advance the previous points. - lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; - } - - function area$2(object) { - areaSum.reset(); - geoStream(object, areaStream); - return areaSum * 2; - } - - function spherical(cartesian) { - return [atan2(cartesian[1], cartesian[0]), asin$1(cartesian[2])]; - } - - function cartesian(spherical) { - var lambda = spherical[0], phi = spherical[1], cosPhi = cos$1(phi); - return [cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)]; - } - - function cartesianDot(a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; - } - - function cartesianCross(a, b) { - return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]]; - } - - // TODO return a - function cartesianAddInPlace(a, b) { - a[0] += b[0], a[1] += b[1], a[2] += b[2]; - } - - function cartesianScale(vector, k) { - return [vector[0] * k, vector[1] * k, vector[2] * k]; - } - - // TODO return d - function cartesianNormalizeInPlace(d) { - var l = sqrt$1(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); - d[0] /= l, d[1] /= l, d[2] /= l; - } - -var lambda0$1; - var phi0; - var lambda1; - var phi1; - var lambda2; -var lambda00$1; -var phi00$1; - var p0; - var deltaSum = adder(); - var ranges; -var range$1; - var boundsStream = { - point: boundsPoint, - lineStart: boundsLineStart, - lineEnd: boundsLineEnd, - polygonStart: function() { - boundsStream.point = boundsRingPoint; - boundsStream.lineStart = boundsRingStart; - boundsStream.lineEnd = boundsRingEnd; - deltaSum.reset(); - areaStream.polygonStart(); - }, - polygonEnd: function() { - areaStream.polygonEnd(); - boundsStream.point = boundsPoint; - boundsStream.lineStart = boundsLineStart; - boundsStream.lineEnd = boundsLineEnd; - if (areaRingSum < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); - else if (deltaSum > epsilon$4) phi1 = 90; - else if (deltaSum < -epsilon$4) phi0 = -90; - range$1[0] = lambda0$1, range$1[1] = lambda1; - } - }; - - function boundsPoint(lambda, phi) { - ranges.push(range$1 = [lambda0$1 = lambda, lambda1 = lambda]); - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; - } - - function linePoint(lambda, phi) { - var p = cartesian([lambda * radians, phi * radians]); - if (p0) { - var normal = cartesianCross(p0, p), - equatorial = [normal[1], -normal[0], 0], - inflection = cartesianCross(equatorial, normal); - cartesianNormalizeInPlace(inflection); - inflection = spherical(inflection); - var delta = lambda - lambda2, - sign = delta > 0 ? 1 : -1, - lambdai = inflection[0] * degrees$1 * sign, - phii, - antimeridian = abs(delta) > 180; - if (antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { - phii = inflection[1] * degrees$1; - if (phii > phi1) phi1 = phii; - } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { - phii = -inflection[1] * degrees$1; - if (phii < phi0) phi0 = phii; - } else { - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; - } - if (antimeridian) { - if (lambda < lambda2) { - if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; - } else { - if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; - } - } else { - if (lambda1 >= lambda0$1) { - if (lambda < lambda0$1) lambda0$1 = lambda; - if (lambda > lambda1) lambda1 = lambda; - } else { - if (lambda > lambda2) { - if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; - } else { - if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; - } - } - } - } else { - boundsPoint(lambda, phi); - } - p0 = p, lambda2 = lambda; - } + zoom.scaleBy = function(selection$$1, k) { + zoom.scaleTo(selection$$1, function() { + var k0 = this.__zoom.k, + k1 = typeof k === "function" ? k.apply(this, arguments) : k; + return k0 * k1; + }); + }; - function boundsLineStart() { - boundsStream.point = linePoint; - } + zoom.scaleTo = function(selection$$1, k) { + zoom.transform(selection$$1, function() { + var e = extent.apply(this, arguments), + t0 = this.__zoom, + p0 = centroid(e), + p1 = t0.invert(p0), + k1 = typeof k === "function" ? k.apply(this, arguments) : k; + return constrain(translate(scale(t0, k1), p0, p1), e); + }); + }; - function boundsLineEnd() { - range$1[0] = lambda0$1, range$1[1] = lambda1; - boundsStream.point = boundsPoint; - p0 = null; - } + zoom.translateBy = function(selection$$1, x, y) { + zoom.transform(selection$$1, function() { + return constrain(this.__zoom.translate( + typeof x === "function" ? x.apply(this, arguments) : x, + typeof y === "function" ? y.apply(this, arguments) : y + ), extent.apply(this, arguments)); + }); + }; - function boundsRingPoint(lambda, phi) { - if (p0) { - var delta = lambda - lambda2; - deltaSum.add(abs(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta); - } else { - lambda00$1 = lambda, phi00$1 = phi; - } - areaStream.point(lambda, phi); - linePoint(lambda, phi); + function scale(transform, k) { + k = Math.max(k0, Math.min(k1, k)); + return k === transform.k ? transform : new Transform(k, transform.x, transform.y); } - function boundsRingStart() { - areaStream.lineStart(); + function translate(transform, p0, p1) { + var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k; + return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y); } - function boundsRingEnd() { - boundsRingPoint(lambda00$1, phi00$1); - areaStream.lineEnd(); - if (abs(deltaSum) > epsilon$4) lambda0$1 = -(lambda1 = 180); - range$1[0] = lambda0$1, range$1[1] = lambda1; - p0 = null; + function constrain(transform, extent) { + var dx = Math.min(0, transform.invertX(extent[0][0]) - x0) || Math.max(0, transform.invertX(extent[1][0]) - x1), + dy = Math.min(0, transform.invertY(extent[0][1]) - y0) || Math.max(0, transform.invertY(extent[1][1]) - y1); + return dx || dy ? transform.translate(dx, dy) : transform; } - // Finds the left-right distance between two longitudes. - // This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want - // the distance between ±180° to be 360°. - function angle(lambda0, lambda1) { - return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1; + function centroid(extent) { + return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; } - function rangeCompare(a, b) { - return a[0] - b[0]; + function schedule(transition$$1, transform, center) { + transition$$1 + .on("start.zoom", function() { gesture(this, arguments).start(); }) + .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) + .tween("zoom", function() { + var that = this, + args = arguments, + g = gesture(that, args), + e = extent.apply(that, args), + p = center || centroid(e), + w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), + a = that.__zoom, + b = typeof transform === "function" ? transform.apply(that, args) : transform, + i = interpolateZoom(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); + return function(t) { + if (t === 1) t = b; // Avoid rounding error on end. + else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); } + g.zoom(null, t); + }; + }); } - function rangeContains(range, x) { - return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; + function gesture(that, args) { + for (var i = 0, n = gestures.length, g; i < n; ++i) { + if ((g = gestures[i]).that === that) { + return g; + } + } + return new Gesture(that, args); } - function bounds(feature) { - var i, n, a, b, merged, deltaMax, delta; + function Gesture(that, args) { + this.that = that; + this.args = args; + this.index = -1; + this.active = 0; + this.extent = extent.apply(that, args); + } - phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); - ranges = []; - geoStream(feature, boundsStream); + Gesture.prototype = { + start: function() { + if (++this.active === 1) { + this.index = gestures.push(this) - 1; + this.emit("start"); + } + return this; + }, + zoom: function(key, transform) { + if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]); + if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); + if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); + this.that.__zoom = transform; + this.emit("zoom"); + return this; + }, + end: function() { + if (--this.active === 0) { + gestures.splice(this.index, 1); + this.index = -1; + this.emit("end"); + } + return this; + }, + emit: function(type) { + customEvent(new ZoomEvent(zoom, type, this.that.__zoom), listeners.apply, listeners, [type, this.that, this.args]); + } + }; - // First, sort ranges by their minimum longitudes. - if (n = ranges.length) { - ranges.sort(rangeCompare); + function wheeled() { + if (!filter.apply(this, arguments)) return; + var g = gesture(this, arguments), + t = this.__zoom, + k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500))), + p = mouse(this); - // Then, merge any ranges that overlap. - for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) { - b = ranges[i]; - if (rangeContains(a, b[0]) || rangeContains(a, b[1])) { - if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; - if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; - } else { - merged.push(a = b); - } + // If the mouse is in the same location as before, reuse it. + // If there were recent wheel events, reset the wheel idle timeout. + if (g.wheel) { + if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) { + g.mouse[1] = t.invert(g.mouse[0] = p); } + clearTimeout(g.wheel); + } - // Finally, find the largest gap between the merged ranges. - // The final bounding box will be the inverse of this gap. - for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) { - b = merged[i]; - if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1]; - } - } - - ranges = range$1 = null; - - return lambda0$1 === Infinity || phi0 === Infinity - ? [[NaN, NaN], [NaN, NaN]] - : [[lambda0$1, phi0], [lambda1, phi1]]; - } - - var W0; - var W1; - var X0; - var Y0; - var Z0; - var X1; - var Y1; - var Z1; - var X2; - var Y2; - var Z2; -var lambda00$2; -var phi00$2; - var x0; - var y0; - var z0; - // previous point - - var centroidStream = { - sphere: noop$2, - point: centroidPoint, - lineStart: centroidLineStart, - lineEnd: centroidLineEnd, - polygonStart: function() { - centroidStream.lineStart = centroidRingStart; - centroidStream.lineEnd = centroidRingEnd; - }, - polygonEnd: function() { - centroidStream.lineStart = centroidLineStart; - centroidStream.lineEnd = centroidLineEnd; + // If this wheel event won’t trigger a transform change, ignore it. + else if (t.k === k) return; + + // Otherwise, capture the mouse point and location at the start. + else { + g.mouse = [p, t.invert(p)]; + interrupt(this); + g.start(); } - }; - // Arithmetic mean of Cartesian vectors. - function centroidPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi); - centroidPointCartesian(cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)); - } + noevent$1(); + g.wheel = setTimeout(wheelidled, wheelDelay); + g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent)); - function centroidPointCartesian(x, y, z) { - ++W0; - X0 += (x - X0) / W0; - Y0 += (y - Y0) / W0; - Z0 += (z - Z0) / W0; + function wheelidled() { + g.wheel = null; + g.end(); + } } - function centroidLineStart() { - centroidStream.point = centroidLinePointFirst; - } + function mousedowned() { + if (touchending || !filter.apply(this, arguments)) return; + var g = gesture(this, arguments), + v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), + p = mouse(this); - function centroidLinePointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi); - x0 = cosPhi * cos$1(lambda); - y0 = cosPhi * sin$1(lambda); - z0 = sin$1(phi); - centroidStream.point = centroidLinePoint; - centroidPointCartesian(x0, y0, z0); - } + dragDisable(exports.event.view); + nopropagation$1(); + g.mouse = [p, this.__zoom.invert(p)]; + interrupt(this); + g.start(); - function centroidLinePoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi), - x = cosPhi * cos$1(lambda), - y = cosPhi * sin$1(lambda), - z = sin$1(phi), - w = atan2(sqrt$1((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); - W1 += w; - X1 += w * (x0 + (x0 = x)); - Y1 += w * (y0 + (y0 = y)); - Z1 += w * (z0 + (z0 = z)); - centroidPointCartesian(x0, y0, z0); - } + function mousemoved() { + noevent$1(); + g.moved = true; + g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent)); + } - function centroidLineEnd() { - centroidStream.point = centroidPoint; + function mouseupped() { + v.on("mousemove.zoom mouseup.zoom", null); + yesdrag(exports.event.view, g.moved); + noevent$1(); + g.end(); + } } - // See J. E. Brock, The Inertia Tensor for a Spherical Triangle, - // J. Applied Mechanics 42, 239 (1975). - function centroidRingStart() { - centroidStream.point = centroidRingPointFirst; - } + function dblclicked() { + if (!filter.apply(this, arguments)) return; + var t0 = this.__zoom, + p0 = mouse(this), + p1 = t0.invert(p0), + k1 = t0.k * (exports.event.shiftKey ? 0.5 : 2), + t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments)); - function centroidRingEnd() { - centroidRingPoint(lambda00$2, phi00$2); - centroidStream.point = centroidPoint; + noevent$1(); + if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0); + else select(this).call(zoom.transform, t1); } - function centroidRingPointFirst(lambda, phi) { - lambda00$2 = lambda, phi00$2 = phi; - lambda *= radians, phi *= radians; - centroidStream.point = centroidRingPoint; - var cosPhi = cos$1(phi); - x0 = cosPhi * cos$1(lambda); - y0 = cosPhi * sin$1(lambda); - z0 = sin$1(phi); - centroidPointCartesian(x0, y0, z0); - } + function touchstarted() { + if (!filter.apply(this, arguments)) return; + var g = gesture(this, arguments), + touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, t, p; - function centroidRingPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi), - x = cosPhi * cos$1(lambda), - y = cosPhi * sin$1(lambda), - z = sin$1(phi), - cx = y0 * z - z0 * y, - cy = z0 * x - x0 * z, - cz = x0 * y - y0 * x, - m = sqrt$1(cx * cx + cy * cy + cz * cz), - u = x0 * x + y0 * y + z0 * z, - v = m && -acos(u) / m, // area weight - w = atan2(m, u); // line weight - X2 += v * cx; - Y2 += v * cy; - Z2 += v * cz; - W1 += w; - X1 += w * (x0 + (x0 = x)); - Y1 += w * (y0 + (y0 = y)); - Z1 += w * (z0 + (z0 = z)); - centroidPointCartesian(x0, y0, z0); - } - - function centroid$1(object) { - W0 = W1 = - X0 = Y0 = Z0 = - X1 = Y1 = Z1 = - X2 = Y2 = Z2 = 0; - geoStream(object, centroidStream); - - var x = X2, - y = Y2, - z = Z2, - m = x * x + y * y + z * z; - - // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid. - if (m < epsilon2$2) { - x = X1, y = Y1, z = Z1; - // If the feature has zero length, fall back to arithmetic mean of point vectors. - if (W1 < epsilon$4) x = X0, y = Y0, z = Z0; - m = x * x + y * y + z * z; - // If the feature still has an undefined ccentroid, then return. - if (m < epsilon2$2) return [NaN, NaN]; + nopropagation$1(); + for (i = 0; i < n; ++i) { + t = touches$$1[i], p = touch(this, touches$$1, t.identifier); + p = [p, this.__zoom.invert(p), t.identifier]; + if (!g.touch0) g.touch0 = p; + else if (!g.touch1) g.touch1 = p; + } + if (touchstarting) { + touchstarting = clearTimeout(touchstarting); + if (!g.touch1) return g.end(), dblclicked.apply(this, arguments); + } + if (exports.event.touches.length === n) { + touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); + interrupt(this); + g.start(); } - - return [atan2(y, x) * degrees$1, asin$1(z / sqrt$1(m)) * degrees$1]; } - function constant$12(x) { - return function() { - return x; - }; + function touchmoved() { + var g = gesture(this, arguments), + touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, t, p, l; + + noevent$1(); + if (touchstarting) touchstarting = clearTimeout(touchstarting); + for (i = 0; i < n; ++i) { + t = touches$$1[i], p = touch(this, touches$$1, t.identifier); + if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; + else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; + } + t = g.that.__zoom; + if (g.touch1) { + var p0 = g.touch0[0], l0 = g.touch0[1], + p1 = g.touch1[0], l1 = g.touch1[1], + dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp, + dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl; + t = scale(t, Math.sqrt(dp / dl)); + p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2]; + l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2]; + } + else if (g.touch0) p = g.touch0[0], l = g.touch0[1]; + else return; + g.zoom("touch", constrain(translate(t, p, l), g.extent)); + } + + function touchended() { + var g = gesture(this, arguments), + touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, t; + + nopropagation$1(); + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, touchDelay); + for (i = 0; i < n; ++i) { + t = touches$$1[i]; + if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; + else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; + } + if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1; + if (!g.touch0) g.end(); } - function compose(a, b) { + zoom.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$10(!!_), zoom) : filter; + }; - function compose(x, y) { - return x = a(x, y), b(x[0], x[1]); - } + zoom.extent = function(_) { + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$10([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; + }; - if (a.invert && b.invert) compose.invert = function(x, y) { - return x = b.invert(x, y), x && a.invert(x[0], x[1]); - }; + zoom.scaleExtent = function(_) { + return arguments.length ? (k0 = +_[0], k1 = +_[1], zoom) : [k0, k1]; + }; - return compose; - } + zoom.translateExtent = function(_) { + return arguments.length ? (x0 = +_[0][0], x1 = +_[1][0], y0 = +_[0][1], y1 = +_[1][1], zoom) : [[x0, y0], [x1, y1]]; + }; - function rotationIdentity(lambda, phi) { - return [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi]; - } + zoom.duration = function(_) { + return arguments.length ? (duration = +_, zoom) : duration; + }; - rotationIdentity.invert = rotationIdentity; + zoom.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? zoom : value; + }; - function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { - return (deltaLambda %= tau$4) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) - : rotationLambda(deltaLambda)) - : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) - : rotationIdentity); - } + return zoom; +} - function forwardRotationLambda(deltaLambda) { - return function(lambda, phi) { - return lambda += deltaLambda, [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi]; - }; - } +var constant$11 = function(x) { + return function() { + return x; + }; +} + +var BrushEvent = function(target, type, selection) { + this.target = target; + this.type = type; + this.selection = selection; +} + +function nopropagation$2() { + exports.event.stopImmediatePropagation(); +} + +var noevent$2 = function() { + exports.event.preventDefault(); + exports.event.stopImmediatePropagation(); +} + +var MODE_DRAG = {name: "drag"}; +var MODE_SPACE = {name: "space"}; +var MODE_HANDLE = {name: "handle"}; +var MODE_CENTER = {name: "center"}; + +var X = { + name: "x", + handles: ["e", "w"].map(type$1), + input: function(x, e) { return x && [[x[0], e[0][1]], [x[1], e[1][1]]]; }, + output: function(xy) { return xy && [xy[0][0], xy[1][0]]; } +}; + +var Y = { + name: "y", + handles: ["n", "s"].map(type$1), + input: function(y, e) { return y && [[e[0][0], y[0]], [e[1][0], y[1]]]; }, + output: function(xy) { return xy && [xy[0][1], xy[1][1]]; } +}; + +var XY = { + name: "xy", + handles: ["n", "e", "s", "w", "nw", "ne", "se", "sw"].map(type$1), + input: function(xy) { return xy; }, + output: function(xy) { return xy; } +}; + +var cursors = { + overlay: "crosshair", + selection: "move", + n: "ns-resize", + e: "ew-resize", + s: "ns-resize", + w: "ew-resize", + nw: "nwse-resize", + ne: "nesw-resize", + se: "nwse-resize", + sw: "nesw-resize" +}; + +var flipX = { + e: "w", + w: "e", + nw: "ne", + ne: "nw", + se: "sw", + sw: "se" +}; + +var flipY = { + n: "s", + s: "n", + nw: "sw", + ne: "se", + se: "ne", + sw: "nw" +}; + +var signsX = { + overlay: +1, + selection: +1, + n: null, + e: +1, + s: null, + w: -1, + nw: -1, + ne: +1, + se: +1, + sw: -1 +}; + +var signsY = { + overlay: +1, + selection: +1, + n: -1, + e: null, + s: +1, + w: null, + nw: -1, + ne: -1, + se: +1, + sw: +1 +}; + +function type$1(t) { + return {type: t}; +} + +// Ignore right-click, since that should open the context menu. +function defaultFilter$2() { + return !exports.event.button; +} + +function defaultExtent$1() { + var svg = this.ownerSVGElement || this; + return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]]; +} + +// Like d3.local, but with the name “__brush” rather than auto-generated. +function local$1(node) { + while (!node.__brush) if (!(node = node.parentNode)) return; + return node.__brush; +} + +function empty$1(extent) { + return extent[0][0] === extent[1][0] + || extent[0][1] === extent[1][1]; +} + +function brushSelection(node) { + var state = node.__brush; + return state ? state.dim.output(state.selection) : null; +} + +function brushX() { + return brush$1(X); +} + +function brushY() { + return brush$1(Y); +} + +var brush = function() { + return brush$1(XY); +} + +function brush$1(dim) { + var extent = defaultExtent$1, + filter = defaultFilter$2, + listeners = dispatch(brush, "start", "brush", "end"), + handleSize = 6, + touchending; + + function brush(group) { + var overlay = group + .property("__brush", initialize) + .selectAll(".overlay") + .data([type$1("overlay")]); + + overlay.enter().append("rect") + .attr("class", "overlay") + .attr("pointer-events", "all") + .attr("cursor", cursors.overlay) + .merge(overlay) + .each(function() { + var extent = local$1(this).extent; + select(this) + .attr("x", extent[0][0]) + .attr("y", extent[0][1]) + .attr("width", extent[1][0] - extent[0][0]) + .attr("height", extent[1][1] - extent[0][1]); + }); - function rotationLambda(deltaLambda) { - var rotation = forwardRotationLambda(deltaLambda); - rotation.invert = forwardRotationLambda(-deltaLambda); - return rotation; - } + group.selectAll(".selection") + .data([type$1("selection")]) + .enter().append("rect") + .attr("class", "selection") + .attr("cursor", cursors.selection) + .attr("fill", "#777") + .attr("fill-opacity", 0.3) + .attr("stroke", "#fff") + .attr("shape-rendering", "crispEdges"); - function rotationPhiGamma(deltaPhi, deltaGamma) { - var cosDeltaPhi = cos$1(deltaPhi), - sinDeltaPhi = sin$1(deltaPhi), - cosDeltaGamma = cos$1(deltaGamma), - sinDeltaGamma = sin$1(deltaGamma); + var handle = group.selectAll(".handle") + .data(dim.handles, function(d) { return d.type; }); - function rotation(lambda, phi) { - var cosPhi = cos$1(phi), - x = cos$1(lambda) * cosPhi, - y = sin$1(lambda) * cosPhi, - z = sin$1(phi), - k = z * cosDeltaPhi + x * sinDeltaPhi; - return [ - atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi), - asin$1(k * cosDeltaGamma + y * sinDeltaGamma) - ]; - } + handle.exit().remove(); - rotation.invert = function(lambda, phi) { - var cosPhi = cos$1(phi), - x = cos$1(lambda) * cosPhi, - y = sin$1(lambda) * cosPhi, - z = sin$1(phi), - k = z * cosDeltaGamma - y * sinDeltaGamma; - return [ - atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi), - asin$1(k * cosDeltaPhi - x * sinDeltaPhi) - ]; - }; + handle.enter().append("rect") + .attr("class", function(d) { return "handle handle--" + d.type; }) + .attr("cursor", function(d) { return cursors[d.type]; }); - return rotation; + group + .each(redraw) + .attr("fill", "none") + .attr("pointer-events", "all") + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") + .on("mousedown.brush touchstart.brush", started); } - function rotation(rotate) { - rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); + brush.move = function(group, selection$$1) { + if (group.selection) { + group + .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) + .on("interrupt.brush end.brush", function() { emitter(this, arguments).end(); }) + .tween("brush", function() { + var that = this, + state = that.__brush, + emit = emitter(that, arguments), + selection0 = state.selection, + selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(this, arguments) : selection$$1, state.extent), + i = interpolate(selection0, selection1); + + function tween(t) { + state.selection = t === 1 && empty$1(selection1) ? null : i(t); + redraw.call(that); + emit.brush(); + } - function forward(coordinates) { - coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians); - return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; + return selection0 && selection1 ? tween : tween(1); + }); + } else { + group + .each(function() { + var that = this, + args = arguments, + state = that.__brush, + selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(that, args) : selection$$1, state.extent), + emit = emitter(that, args).beforestart(); + + interrupt(that); + state.selection = selection1 == null || empty$1(selection1) ? null : selection1; + redraw.call(that); + emit.start().brush().end(); + }); } + }; - forward.invert = function(coordinates) { - coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians); - return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; - }; + function redraw() { + var group = select(this), + selection$$1 = local$1(this).selection; - return forward; - } + if (selection$$1) { + group.selectAll(".selection") + .style("display", null) + .attr("x", selection$$1[0][0]) + .attr("y", selection$$1[0][1]) + .attr("width", selection$$1[1][0] - selection$$1[0][0]) + .attr("height", selection$$1[1][1] - selection$$1[0][1]); - // Generates a circle centered at [0°, 0°], with a given radius and precision. - function circleStream(stream, radius, delta, direction, t0, t1) { - if (!delta) return; - var cosRadius = cos$1(radius), - sinRadius = sin$1(radius), - step = direction * delta; - if (t0 == null) { - t0 = radius + direction * tau$4; - t1 = radius - step / 2; - } else { - t0 = circleRadius(cosRadius, t0); - t1 = circleRadius(cosRadius, t1); - if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$4; + group.selectAll(".handle") + .style("display", null) + .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection$$1[1][0] - handleSize / 2 : selection$$1[0][0] - handleSize / 2; }) + .attr("y", function(d) { return d.type[0] === "s" ? selection$$1[1][1] - handleSize / 2 : selection$$1[0][1] - handleSize / 2; }) + .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection$$1[1][0] - selection$$1[0][0] + handleSize : handleSize; }) + .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection$$1[1][1] - selection$$1[0][1] + handleSize : handleSize; }); } - for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) { - point = spherical([cosRadius, -sinRadius * cos$1(t), -sinRadius * sin$1(t)]); - stream.point(point[0], point[1]); + + else { + group.selectAll(".selection,.handle") + .style("display", "none") + .attr("x", null) + .attr("y", null) + .attr("width", null) + .attr("height", null); } } - // Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0]. - function circleRadius(cosRadius, point) { - point = cartesian(point), point[0] -= cosRadius; - cartesianNormalizeInPlace(point); - var radius = acos(-point[1]); - return ((-point[2] < 0 ? -radius : radius) + tau$4 - epsilon$4) % tau$4; + function emitter(that, args) { + return that.__brush.emitter || new Emitter(that, args); } - function circle$1() { - var center = constant$12([0, 0]), - radius = constant$12(90), - precision = constant$12(6), - ring, - rotate, - stream = {point: point}; + function Emitter(that, args) { + this.that = that; + this.args = args; + this.state = that.__brush; + this.active = 0; + } - function point(x, y) { - ring.push(x = rotate(x, y)); - x[0] *= degrees$1, x[1] *= degrees$1; + Emitter.prototype = { + beforestart: function() { + if (++this.active === 1) this.state.emitter = this, this.starting = true; + return this; + }, + start: function() { + if (this.starting) this.starting = false, this.emit("start"); + return this; + }, + brush: function() { + this.emit("brush"); + return this; + }, + end: function() { + if (--this.active === 0) delete this.state.emitter, this.emit("end"); + return this; + }, + emit: function(type) { + customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]); } + }; - function circle() { - var c = center.apply(this, arguments), - r = radius.apply(this, arguments) * radians, - p = precision.apply(this, arguments) * radians; - ring = []; - rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert; - circleStream(stream, r, p, 1); - c = {type: "Polygon", coordinates: [ring]}; - ring = rotate = null; - return c; + function started() { + if (exports.event.touches) { if (exports.event.changedTouches.length < exports.event.touches.length) return noevent$2(); } + else if (touchending) return; + if (!filter.apply(this, arguments)) return; + + var that = this, + type = exports.event.target.__data__.type, + mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE), + signX = dim === Y ? null : signsX[type], + signY = dim === X ? null : signsY[type], + state = local$1(that), + extent = state.extent, + selection$$1 = state.selection, + W = extent[0][0], w0, w1, + N = extent[0][1], n0, n1, + E = extent[1][0], e0, e1, + S = extent[1][1], s0, s1, + dx, + dy, + moving, + shifting = signX && signY && exports.event.shiftKey, + lockX, + lockY, + point0 = mouse(that), + point = point0, + emit = emitter(that, arguments).beforestart(); + + if (type === "overlay") { + state.selection = selection$$1 = [ + [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], + [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] + ]; + } else { + w0 = selection$$1[0][0]; + n0 = selection$$1[0][1]; + e0 = selection$$1[1][0]; + s0 = selection$$1[1][1]; } - circle.center = function(_) { - return arguments.length ? (center = typeof _ === "function" ? _ : constant$12([+_[0], +_[1]]), circle) : center; - }; - - circle.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$12(+_), circle) : radius; - }; + w1 = w0; + n1 = n0; + e1 = e0; + s1 = s0; - circle.precision = function(_) { - return arguments.length ? (precision = typeof _ === "function" ? _ : constant$12(+_), circle) : precision; - }; + var group = select(that) + .attr("pointer-events", "none"); - return circle; - } + var overlay = group.selectAll(".overlay") + .attr("cursor", cursors[type]); - function clipBuffer() { - var lines = [], - line; - return { - point: function(x, y) { - line.push([x, y]); - }, - lineStart: function() { - lines.push(line = []); - }, - lineEnd: noop$2, - rejoin: function() { - if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); - }, - result: function() { - var result = lines; - lines = []; - line = null; - return result; - } - }; - } + if (exports.event.touches) { + group + .on("touchmove.brush", moved, true) + .on("touchend.brush touchcancel.brush", ended, true); + } else { + var view = select(exports.event.view) + .on("keydown.brush", keydowned, true) + .on("keyup.brush", keyupped, true) + .on("mousemove.brush", moved, true) + .on("mouseup.brush", ended, true); - function clipLine(a, b, x0, y0, x1, y1) { - var ax = a[0], - ay = a[1], - bx = b[0], - by = b[1], - t0 = 0, - t1 = 1, - dx = bx - ax, - dy = by - ay, - r; + dragDisable(exports.event.view); + } - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; - if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; - return true; - } + nopropagation$2(); + interrupt(that); + redraw.call(that); + emit.start(); - function pointEqual(a, b) { - return abs(a[0] - b[0]) < epsilon$4 && abs(a[1] - b[1]) < epsilon$4; - } + function moved() { + var point1 = mouse(that); + if (shifting && !lockX && !lockY) { + if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true; + else lockX = true; + } + point = point1; + moving = true; + noevent$2(); + move(); + } - function Intersection(point, points, other, entry) { - this.x = point; - this.z = points; - this.o = other; // another intersection - this.e = entry; // is an entry? - this.v = false; // visited - this.n = this.p = null; // next & previous - } + function move() { + var t; - // A generalized polygon clipping algorithm: given a polygon that has been cut - // into its visible line segments, and rejoins the segments by interpolating - // along the clip edge. - function clipPolygon(segments, compareIntersection, startInside, interpolate, stream) { - var subject = [], - clip = [], - i, - n; + dx = point[0] - point0[0]; + dy = point[1] - point0[1]; - segments.forEach(function(segment) { - if ((n = segment.length - 1) <= 0) return; - var n, p0 = segment[0], p1 = segment[n], x; + switch (mode) { + case MODE_SPACE: + case MODE_DRAG: { + if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx; + if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy; + break; + } + case MODE_HANDLE: { + if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0; + else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx; + if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0; + else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy; + break; + } + case MODE_CENTER: { + if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX)); + if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY)); + break; + } + } - // If the first and last points of a segment are coincident, then treat as a - // closed ring. TODO if all rings are closed, then the winding order of the - // exterior ring should be checked. - if (pointEqual(p0, p1)) { - stream.lineStart(); - for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]); - stream.lineEnd(); - return; + if (e1 < w1) { + signX *= -1; + t = w0, w0 = e0, e0 = t; + t = w1, w1 = e1, e1 = t; + if (type in flipX) overlay.attr("cursor", cursors[type = flipX[type]]); } - subject.push(x = new Intersection(p0, segment, null, true)); - clip.push(x.o = new Intersection(p0, null, x, false)); - subject.push(x = new Intersection(p1, segment, null, false)); - clip.push(x.o = new Intersection(p1, null, x, true)); - }); + if (s1 < n1) { + signY *= -1; + t = n0, n0 = s0, s0 = t; + t = n1, n1 = s1, s1 = t; + if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); + } - if (!subject.length) return; + if (state.selection) selection$$1 = state.selection; // May be set by brush.move! + if (lockX) w1 = selection$$1[0][0], e1 = selection$$1[1][0]; + if (lockY) n1 = selection$$1[0][1], s1 = selection$$1[1][1]; - clip.sort(compareIntersection); - link$1(subject); - link$1(clip); + if (selection$$1[0][0] !== w1 + || selection$$1[0][1] !== n1 + || selection$$1[1][0] !== e1 + || selection$$1[1][1] !== s1) { + state.selection = [[w1, n1], [e1, s1]]; + redraw.call(that); + emit.brush(); + } + } - for (i = 0, n = clip.length; i < n; ++i) { - clip[i].e = startInside = !startInside; + function ended() { + nopropagation$2(); + if (exports.event.touches) { + if (exports.event.touches.length) return; + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! + group.on("touchmove.brush touchend.brush touchcancel.brush", null); + } else { + yesdrag(exports.event.view, moving); + view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); + } + group.attr("pointer-events", "all"); + overlay.attr("cursor", cursors.overlay); + if (state.selection) selection$$1 = state.selection; // May be set by brush.move (on start)! + if (empty$1(selection$$1)) state.selection = null, redraw.call(that); + emit.end(); } - var start = subject[0], - points, - point; + function keydowned() { + switch (exports.event.keyCode) { + case 16: { // SHIFT + shifting = signX && signY; + break; + } + case 18: { // ALT + if (mode === MODE_HANDLE) { + if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; + if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; + mode = MODE_CENTER; + move(); + } + break; + } + case 32: { // SPACE; takes priority over ALT + if (mode === MODE_HANDLE || mode === MODE_CENTER) { + if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx; + if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy; + mode = MODE_SPACE; + overlay.attr("cursor", cursors.selection); + move(); + } + break; + } + default: return; + } + noevent$2(); + } - while (1) { - // Find first unvisited intersection. - var current = start, - isSubject = true; - while (current.v) if ((current = current.n) === start) return; - points = current.z; - stream.lineStart(); - do { - current.v = current.o.v = true; - if (current.e) { - if (isSubject) { - for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.n.x, 1, stream); + function keyupped() { + switch (exports.event.keyCode) { + case 16: { // SHIFT + if (shifting) { + lockX = lockY = shifting = false; + move(); } - current = current.n; - } else { - if (isSubject) { - points = current.p.z; - for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.p.x, -1, stream); + break; + } + case 18: { // ALT + if (mode === MODE_CENTER) { + if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; + if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; + mode = MODE_HANDLE; + move(); } - current = current.p; + break; } - current = current.o; - points = current.z; - isSubject = !isSubject; - } while (!current.v); - stream.lineEnd(); + case 32: { // SPACE + if (mode === MODE_SPACE) { + if (exports.event.altKey) { + if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; + if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; + mode = MODE_CENTER; + } else { + if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; + if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; + mode = MODE_HANDLE; + } + overlay.attr("cursor", cursors[type]); + move(); + } + break; + } + default: return; + } + noevent$2(); } } - function link$1(array) { - if (!(n = array.length)) return; - var n, - i = 0, - a = array[0], - b; - while (++i < n) { - a.n = b = array[i]; - b.p = a; - a = b; - } - a.n = b = array[0]; - b.p = a; + function initialize() { + var state = this.__brush || {selection: null}; + state.extent = extent.apply(this, arguments); + state.dim = dim; + return state; } - var clipMax = 1e9; - var clipMin = -clipMax; - // TODO Use d3-polygon’s polygonContains here for the ring check? - // TODO Eliminate duplicate buffering in clipBuffer and polygon.push? + brush.extent = function(_) { + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$11([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), brush) : extent; + }; - function clipExtent(x0, y0, x1, y1) { + brush.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$11(!!_), brush) : filter; + }; - function visible(x, y) { - return x0 <= x && x <= x1 && y0 <= y && y <= y1; - } + brush.handleSize = function(_) { + return arguments.length ? (handleSize = +_, brush) : handleSize; + }; - function interpolate(from, to, direction, stream) { - var a = 0, a1 = 0; - if (from == null - || (a = corner(from, direction)) !== (a1 = corner(to, direction)) - || comparePoint(from, to) < 0 ^ direction > 0) { - do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); - while ((a = (a + direction + 4) % 4) !== a1); - } else { - stream.point(to[0], to[1]); - } - } + brush.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? brush : value; + }; - function corner(p, direction) { - return abs(p[0] - x0) < epsilon$4 ? direction > 0 ? 0 : 3 - : abs(p[0] - x1) < epsilon$4 ? direction > 0 ? 2 : 1 - : abs(p[1] - y0) < epsilon$4 ? direction > 0 ? 1 : 0 - : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon - } + return brush; +} + +var cos = Math.cos; +var sin = Math.sin; +var pi$3 = Math.PI; +var halfPi$2 = pi$3 / 2; +var tau$3 = pi$3 * 2; +var max$1 = Math.max; + +function compareValue(compare) { + return function(a, b) { + return compare( + a.source.value + a.target.value, + b.source.value + b.target.value + ); + }; +} + +var chord = function() { + var padAngle = 0, + sortGroups = null, + sortSubgroups = null, + sortChords = null; + + function chord(matrix) { + var n = matrix.length, + groupSums = [], + groupIndex = range(n), + subgroupIndex = [], + chords = [], + groups = chords.groups = new Array(n), + subgroups = new Array(n * n), + k, + x, + x0, + dx, + i, + j; - function compareIntersection(a, b) { - return comparePoint(a.x, b.x); + // Compute the sum. + k = 0, i = -1; while (++i < n) { + x = 0, j = -1; while (++j < n) { + x += matrix[i][j]; + } + groupSums.push(x); + subgroupIndex.push(range(n)); + k += x; } - function comparePoint(a, b) { - var ca = corner(a, 1), - cb = corner(b, 1); - return ca !== cb ? ca - cb - : ca === 0 ? b[1] - a[1] - : ca === 1 ? a[0] - b[0] - : ca === 2 ? a[1] - b[1] - : b[0] - a[0]; - } + // Sort groups… + if (sortGroups) groupIndex.sort(function(a, b) { + return sortGroups(groupSums[a], groupSums[b]); + }); - return function(stream) { - var activeStream = stream, - bufferStream = clipBuffer(), - segments, - polygon, - ring, - x__, y__, v__, // first point - x_, y_, v_, // previous point - first, - clean; + // Sort subgroups… + if (sortSubgroups) subgroupIndex.forEach(function(d, i) { + d.sort(function(a, b) { + return sortSubgroups(matrix[i][a], matrix[i][b]); + }); + }); - var clipStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: polygonStart, - polygonEnd: polygonEnd + // Convert the sum to scaling factor for [0, 2pi]. + // TODO Allow start and end angle to be specified? + // TODO Allow padding to be specified as percentage? + k = max$1(0, tau$3 - padAngle * n) / k; + dx = k ? padAngle : tau$3 / n; + + // Compute the start and end angle for each group and subgroup. + // Note: Opera has a bug reordering object literal properties! + x = 0, i = -1; while (++i < n) { + x0 = x, j = -1; while (++j < n) { + var di = groupIndex[i], + dj = subgroupIndex[di][j], + v = matrix[di][dj], + a0 = x, + a1 = x += v * k; + subgroups[dj * n + di] = { + index: di, + subindex: dj, + startAngle: a0, + endAngle: a1, + value: v + }; + } + groups[di] = { + index: di, + startAngle: x0, + endAngle: x, + value: groupSums[di] }; + x += dx; + } - function point(x, y) { - if (visible(x, y)) activeStream.point(x, y); + // Generate chords for each (non-empty) subgroup-subgroup link. + i = -1; while (++i < n) { + j = i - 1; while (++j < n) { + var source = subgroups[j * n + i], + target = subgroups[i * n + j]; + if (source.value || target.value) { + chords.push(source.value < target.value + ? {source: target, target: source} + : {source: source, target: target}); + } } + } - function polygonInside() { - var winding = 0; + return sortChords ? chords.sort(sortChords) : chords; + } - for (var i = 0, n = polygon.length; i < n; ++i) { - for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { - a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; - if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } - else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } - } - } + chord.padAngle = function(_) { + return arguments.length ? (padAngle = max$1(0, _), chord) : padAngle; + }; - return winding; - } + chord.sortGroups = function(_) { + return arguments.length ? (sortGroups = _, chord) : sortGroups; + }; - // Buffer geometry within a polygon and then clip it en masse. - function polygonStart() { - activeStream = bufferStream, segments = [], polygon = [], clean = true; - } + chord.sortSubgroups = function(_) { + return arguments.length ? (sortSubgroups = _, chord) : sortSubgroups; + }; - function polygonEnd() { - var startInside = polygonInside(), - cleanInside = clean && startInside, - visible = (segments = merge(segments)).length; - if (cleanInside || visible) { - stream.polygonStart(); - if (cleanInside) { - stream.lineStart(); - interpolate(null, null, 1, stream); - stream.lineEnd(); - } - if (visible) { - clipPolygon(segments, compareIntersection, startInside, interpolate, stream); - } - stream.polygonEnd(); - } - activeStream = stream, segments = polygon = ring = null; - } + chord.sortChords = function(_) { + return arguments.length ? (_ == null ? sortChords = null : (sortChords = compareValue(_))._ = _, chord) : sortChords && sortChords._; + }; - function lineStart() { - clipStream.point = linePoint; - if (polygon) polygon.push(ring = []); - first = true; - v_ = false; - x_ = y_ = NaN; - } + return chord; +} - // TODO rather than special-case polygons, simply handle them separately. - // Ideally, coincident intersection points should be jittered to avoid - // clipping issues. - function lineEnd() { - if (segments) { - linePoint(x__, y__); - if (v__ && v_) bufferStream.rejoin(); - segments.push(bufferStream.result()); - } - clipStream.point = point; - if (v_) activeStream.lineEnd(); - } +var slice$5 = Array.prototype.slice; - function linePoint(x, y) { - var v = visible(x, y); - if (polygon) ring.push([x, y]); - if (first) { - x__ = x, y__ = y, v__ = v; - first = false; - if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - } - } else { - if (v && v_) activeStream.point(x, y); - else { - var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], - b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; - if (clipLine(a, b, x0, y0, x1, y1)) { - if (!v_) { - activeStream.lineStart(); - activeStream.point(a[0], a[1]); - } - activeStream.point(b[0], b[1]); - if (!v) activeStream.lineEnd(); - clean = false; - } else if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - clean = false; - } - } - } - x_ = x, y_ = y, v_ = v; - } +var constant$12 = function(x) { + return function() { + return x; + }; +} - return clipStream; - }; - } +function defaultSource(d) { + return d.source; +} - function extent$1() { - var x0 = 0, - y0 = 0, - x1 = 960, - y1 = 500, - cache, - cacheStream, - clip; +function defaultTarget(d) { + return d.target; +} - return clip = { - stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = clipExtent(x0, y0, x1, y1)(cacheStream = stream); - }, - extent: function(_) { - return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; - } - }; - } +function defaultRadius$1(d) { + return d.radius; +} - var lengthSum = adder(); -var lambda0$2; -var sinPhi0$1; -var cosPhi0$1; - var lengthStream = { - sphere: noop$2, - point: noop$2, - lineStart: lengthLineStart, - lineEnd: noop$2, - polygonStart: noop$2, - polygonEnd: noop$2 +function defaultStartAngle(d) { + return d.startAngle; +} + +function defaultEndAngle(d) { + return d.endAngle; +} + +var ribbon = function() { + var source = defaultSource, + target = defaultTarget, + radius = defaultRadius$1, + startAngle = defaultStartAngle, + endAngle = defaultEndAngle, + context = null; + + function ribbon() { + var buffer, + argv = slice$5.call(arguments), + s = source.apply(this, argv), + t = target.apply(this, argv), + sr = +radius.apply(this, (argv[0] = s, argv)), + sa0 = startAngle.apply(this, argv) - halfPi$2, + sa1 = endAngle.apply(this, argv) - halfPi$2, + sx0 = sr * cos(sa0), + sy0 = sr * sin(sa0), + tr = +radius.apply(this, (argv[0] = t, argv)), + ta0 = startAngle.apply(this, argv) - halfPi$2, + ta1 = endAngle.apply(this, argv) - halfPi$2; + + if (!context) context = buffer = path(); + + context.moveTo(sx0, sy0); + context.arc(0, 0, sr, sa0, sa1); + if (sa0 !== ta0 || sa1 !== ta1) { // TODO sr !== tr? + context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0)); + context.arc(0, 0, tr, ta0, ta1); + } + context.quadraticCurveTo(0, 0, sx0, sy0); + context.closePath(); + + if (buffer) return context = null, buffer + "" || null; + } + + ribbon.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$12(+_), ribbon) : radius; }; - function lengthLineStart() { - lengthStream.point = lengthPointFirst; - lengthStream.lineEnd = lengthLineEnd; - } + ribbon.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$12(+_), ribbon) : startAngle; + }; - function lengthLineEnd() { - lengthStream.point = lengthStream.lineEnd = noop$2; - } + ribbon.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$12(+_), ribbon) : endAngle; + }; - function lengthPointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi); - lengthStream.point = lengthPoint; - } + ribbon.source = function(_) { + return arguments.length ? (source = _, ribbon) : source; + }; - function lengthPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var sinPhi = sin$1(phi), - cosPhi = cos$1(phi), - delta = abs(lambda - lambda0$2), - cosDelta = cos$1(delta), - sinDelta = sin$1(delta), - x = cosPhi * sinDelta, - y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, - z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; - lengthSum.add(atan2(sqrt$1(x * x + y * y), z)); - lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; - } + ribbon.target = function(_) { + return arguments.length ? (target = _, ribbon) : target; + }; - function length$2(object) { - lengthSum.reset(); - geoStream(object, lengthStream); - return +lengthSum; - } + ribbon.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), ribbon) : context; + }; - var coordinates = [null, null]; -var object$1 = {type: "LineString", coordinates: coordinates}; - function distance(a, b) { - coordinates[0] = a; - coordinates[1] = b; - return length$2(object$1); + return ribbon; +} + +// Adds floating point numbers with twice the normal precision. +// Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and +// Fast Robust Geometric Predicates, Discrete & Computational Geometry 18(3) +// 305–363 (1997). +// Code adapted from GeographicLib by Charles F. F. Karney, +// http://geographiclib.sourceforge.net/ + +var adder = function() { + return new Adder; +} + +function Adder() { + this.reset(); +} + +Adder.prototype = { + constructor: Adder, + reset: function() { + this.s = // rounded value + this.t = 0; // exact error + }, + add: function(y) { + add$1(temp, y, this.t); + add$1(this, temp.s, this.s); + if (this.s) this.t += temp.t; + else this.s = temp.t; + }, + valueOf: function() { + return this.s; + } +}; + +var temp = new Adder; + +function add$1(adder, a, b) { + var x = adder.s = a + b, + bv = x - a, + av = x - bv; + adder.t = (a - av) + (b - bv); +} + +var epsilon$4 = 1e-6; +var epsilon2$2 = 1e-12; +var pi$4 = Math.PI; +var halfPi$3 = pi$4 / 2; +var quarterPi = pi$4 / 4; +var tau$4 = pi$4 * 2; + +var degrees$1 = 180 / pi$4; +var radians = pi$4 / 180; + +var abs = Math.abs; +var atan = Math.atan; +var atan2 = Math.atan2; +var cos$1 = Math.cos; +var ceil = Math.ceil; +var exp = Math.exp; + +var log$1 = Math.log; +var pow$1 = Math.pow; +var sin$1 = Math.sin; +var sign$1 = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; }; +var sqrt$1 = Math.sqrt; +var tan = Math.tan; + +function acos(x) { + return x > 1 ? 0 : x < -1 ? pi$4 : Math.acos(x); +} + +function asin$1(x) { + return x > 1 ? halfPi$3 : x < -1 ? -halfPi$3 : Math.asin(x); +} + +function haversin(x) { + return (x = sin$1(x / 2)) * x; +} + +function noop$2() {} + +function streamGeometry(geometry, stream) { + if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { + streamGeometryType[geometry.type](geometry, stream); + } +} + +var streamObjectType = { + Feature: function(feature, stream) { + streamGeometry(feature.geometry, stream); + }, + FeatureCollection: function(object, stream) { + var features = object.features, i = -1, n = features.length; + while (++i < n) streamGeometry(features[i].geometry, stream); + } +}; + +var streamGeometryType = { + Sphere: function(object, stream) { + stream.sphere(); + }, + Point: function(object, stream) { + object = object.coordinates; + stream.point(object[0], object[1], object[2]); + }, + MultiPoint: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]); + }, + LineString: function(object, stream) { + streamLine(object.coordinates, stream, 0); + }, + MultiLineString: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) streamLine(coordinates[i], stream, 0); + }, + Polygon: function(object, stream) { + streamPolygon(object.coordinates, stream); + }, + MultiPolygon: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) streamPolygon(coordinates[i], stream); + }, + GeometryCollection: function(object, stream) { + var geometries = object.geometries, i = -1, n = geometries.length; + while (++i < n) streamGeometry(geometries[i], stream); + } +}; + +function streamLine(coordinates, stream, closed) { + var i = -1, n = coordinates.length - closed, coordinate; + stream.lineStart(); + while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]); + stream.lineEnd(); +} + +function streamPolygon(coordinates, stream) { + var i = -1, n = coordinates.length; + stream.polygonStart(); + while (++i < n) streamLine(coordinates[i], stream, 1); + stream.polygonEnd(); +} + +var geoStream = function(object, stream) { + if (object && streamObjectType.hasOwnProperty(object.type)) { + streamObjectType[object.type](object, stream); + } else { + streamGeometry(object, stream); + } +} + +var areaRingSum = adder(); + +var areaSum = adder(); +var lambda00; +var phi00; +var lambda0; +var cosPhi0; +var sinPhi0; + +var areaStream = { + point: noop$2, + lineStart: noop$2, + lineEnd: noop$2, + polygonStart: function() { + areaRingSum.reset(); + areaStream.lineStart = areaRingStart; + areaStream.lineEnd = areaRingEnd; + }, + polygonEnd: function() { + var areaRing = +areaRingSum; + areaSum.add(areaRing < 0 ? tau$4 + areaRing : areaRing); + this.lineStart = this.lineEnd = this.point = noop$2; + }, + sphere: function() { + areaSum.add(tau$4); + } +}; + +function areaRingStart() { + areaStream.point = areaPointFirst; +} + +function areaRingEnd() { + areaPoint(lambda00, phi00); +} + +function areaPointFirst(lambda, phi) { + areaStream.point = areaPoint; + lambda00 = lambda, phi00 = phi; + lambda *= radians, phi *= radians; + lambda0 = lambda, cosPhi0 = cos$1(phi = phi / 2 + quarterPi), sinPhi0 = sin$1(phi); +} + +function areaPoint(lambda, phi) { + lambda *= radians, phi *= radians; + phi = phi / 2 + quarterPi; // half the angular distance from south pole + + // Spherical excess E for a spherical triangle with vertices: south pole, + // previous point, current point. Uses a formula derived from Cagnoli’s + // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2). + var dLambda = lambda - lambda0, + sdLambda = dLambda >= 0 ? 1 : -1, + adLambda = sdLambda * dLambda, + cosPhi = cos$1(phi), + sinPhi = sin$1(phi), + k = sinPhi0 * sinPhi, + u = cosPhi0 * cosPhi + k * cos$1(adLambda), + v = k * sdLambda * sin$1(adLambda); + areaRingSum.add(atan2(v, u)); + + // Advance the previous points. + lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; +} + +var area$2 = function(object) { + areaSum.reset(); + geoStream(object, areaStream); + return areaSum * 2; +} + +function spherical(cartesian) { + return [atan2(cartesian[1], cartesian[0]), asin$1(cartesian[2])]; +} + +function cartesian(spherical) { + var lambda = spherical[0], phi = spherical[1], cosPhi = cos$1(phi); + return [cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)]; +} + +function cartesianDot(a, b) { + return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; +} + +function cartesianCross(a, b) { + return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]]; +} + +// TODO return a +function cartesianAddInPlace(a, b) { + a[0] += b[0], a[1] += b[1], a[2] += b[2]; +} + +function cartesianScale(vector, k) { + return [vector[0] * k, vector[1] * k, vector[2] * k]; +} + +// TODO return d +function cartesianNormalizeInPlace(d) { + var l = sqrt$1(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); + d[0] /= l, d[1] /= l, d[2] /= l; +} + +var lambda0$1; +var phi0; +var lambda1; +var phi1; +var lambda2; +var lambda00$1; +var phi00$1; +var p0; +var deltaSum = adder(); +var ranges; +var range$1; + +var boundsStream = { + point: boundsPoint, + lineStart: boundsLineStart, + lineEnd: boundsLineEnd, + polygonStart: function() { + boundsStream.point = boundsRingPoint; + boundsStream.lineStart = boundsRingStart; + boundsStream.lineEnd = boundsRingEnd; + deltaSum.reset(); + areaStream.polygonStart(); + }, + polygonEnd: function() { + areaStream.polygonEnd(); + boundsStream.point = boundsPoint; + boundsStream.lineStart = boundsLineStart; + boundsStream.lineEnd = boundsLineEnd; + if (areaRingSum < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); + else if (deltaSum > epsilon$4) phi1 = 90; + else if (deltaSum < -epsilon$4) phi0 = -90; + range$1[0] = lambda0$1, range$1[1] = lambda1; } +}; + +function boundsPoint(lambda, phi) { + ranges.push(range$1 = [lambda0$1 = lambda, lambda1 = lambda]); + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; +} + +function linePoint(lambda, phi) { + var p = cartesian([lambda * radians, phi * radians]); + if (p0) { + var normal = cartesianCross(p0, p), + equatorial = [normal[1], -normal[0], 0], + inflection = cartesianCross(equatorial, normal); + cartesianNormalizeInPlace(inflection); + inflection = spherical(inflection); + var delta = lambda - lambda2, + sign$$1 = delta > 0 ? 1 : -1, + lambdai = inflection[0] * degrees$1 * sign$$1, + phii, + antimeridian = abs(delta) > 180; + if (antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) { + phii = inflection[1] * degrees$1; + if (phii > phi1) phi1 = phii; + } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) { + phii = -inflection[1] * degrees$1; + if (phii < phi0) phi0 = phii; + } else { + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; + } + if (antimeridian) { + if (lambda < lambda2) { + if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; + } else { + if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; + } + } else { + if (lambda1 >= lambda0$1) { + if (lambda < lambda0$1) lambda0$1 = lambda; + if (lambda > lambda1) lambda1 = lambda; + } else { + if (lambda > lambda2) { + if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; + } else { + if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; + } + } + } + } else { + boundsPoint(lambda, phi); + } + p0 = p, lambda2 = lambda; +} + +function boundsLineStart() { + boundsStream.point = linePoint; +} + +function boundsLineEnd() { + range$1[0] = lambda0$1, range$1[1] = lambda1; + boundsStream.point = boundsPoint; + p0 = null; +} + +function boundsRingPoint(lambda, phi) { + if (p0) { + var delta = lambda - lambda2; + deltaSum.add(abs(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta); + } else { + lambda00$1 = lambda, phi00$1 = phi; + } + areaStream.point(lambda, phi); + linePoint(lambda, phi); +} + +function boundsRingStart() { + areaStream.lineStart(); +} + +function boundsRingEnd() { + boundsRingPoint(lambda00$1, phi00$1); + areaStream.lineEnd(); + if (abs(deltaSum) > epsilon$4) lambda0$1 = -(lambda1 = 180); + range$1[0] = lambda0$1, range$1[1] = lambda1; + p0 = null; +} + +// Finds the left-right distance between two longitudes. +// This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want +// the distance between ±180° to be 360°. +function angle(lambda0, lambda1) { + return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1; +} + +function rangeCompare(a, b) { + return a[0] - b[0]; +} + +function rangeContains(range, x) { + return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; +} + +var bounds = function(feature) { + var i, n, a, b, merged, deltaMax, delta; + + phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); + ranges = []; + geoStream(feature, boundsStream); + + // First, sort ranges by their minimum longitudes. + if (n = ranges.length) { + ranges.sort(rangeCompare); + + // Then, merge any ranges that overlap. + for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) { + b = ranges[i]; + if (rangeContains(a, b[0]) || rangeContains(a, b[1])) { + if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; + if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; + } else { + merged.push(a = b); + } + } + + // Finally, find the largest gap between the merged ranges. + // The final bounding box will be the inverse of this gap. + for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) { + b = merged[i]; + if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1]; + } + } + + ranges = range$1 = null; + + return lambda0$1 === Infinity || phi0 === Infinity + ? [[NaN, NaN], [NaN, NaN]] + : [[lambda0$1, phi0], [lambda1, phi1]]; +} + +var W0; +var W1; +var X0; +var Y0; +var Z0; +var X1; +var Y1; +var Z1; +var X2; +var Y2; +var Z2; +var lambda00$2; +var phi00$2; +var x0; +var y0; +var z0; // previous point + +var centroidStream = { + sphere: noop$2, + point: centroidPoint, + lineStart: centroidLineStart, + lineEnd: centroidLineEnd, + polygonStart: function() { + centroidStream.lineStart = centroidRingStart; + centroidStream.lineEnd = centroidRingEnd; + }, + polygonEnd: function() { + centroidStream.lineStart = centroidLineStart; + centroidStream.lineEnd = centroidLineEnd; + } +}; + +// Arithmetic mean of Cartesian vectors. +function centroidPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi); + centroidPointCartesian(cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)); +} + +function centroidPointCartesian(x, y, z) { + ++W0; + X0 += (x - X0) / W0; + Y0 += (y - Y0) / W0; + Z0 += (z - Z0) / W0; +} + +function centroidLineStart() { + centroidStream.point = centroidLinePointFirst; +} + +function centroidLinePointFirst(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi); + x0 = cosPhi * cos$1(lambda); + y0 = cosPhi * sin$1(lambda); + z0 = sin$1(phi); + centroidStream.point = centroidLinePoint; + centroidPointCartesian(x0, y0, z0); +} + +function centroidLinePoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi), + x = cosPhi * cos$1(lambda), + y = cosPhi * sin$1(lambda), + z = sin$1(phi), + w = atan2(sqrt$1((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); + W1 += w; + X1 += w * (x0 + (x0 = x)); + Y1 += w * (y0 + (y0 = y)); + Z1 += w * (z0 + (z0 = z)); + centroidPointCartesian(x0, y0, z0); +} + +function centroidLineEnd() { + centroidStream.point = centroidPoint; +} + +// See J. E. Brock, The Inertia Tensor for a Spherical Triangle, +// J. Applied Mechanics 42, 239 (1975). +function centroidRingStart() { + centroidStream.point = centroidRingPointFirst; +} + +function centroidRingEnd() { + centroidRingPoint(lambda00$2, phi00$2); + centroidStream.point = centroidPoint; +} + +function centroidRingPointFirst(lambda, phi) { + lambda00$2 = lambda, phi00$2 = phi; + lambda *= radians, phi *= radians; + centroidStream.point = centroidRingPoint; + var cosPhi = cos$1(phi); + x0 = cosPhi * cos$1(lambda); + y0 = cosPhi * sin$1(lambda); + z0 = sin$1(phi); + centroidPointCartesian(x0, y0, z0); +} + +function centroidRingPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi), + x = cosPhi * cos$1(lambda), + y = cosPhi * sin$1(lambda), + z = sin$1(phi), + cx = y0 * z - z0 * y, + cy = z0 * x - x0 * z, + cz = x0 * y - y0 * x, + m = sqrt$1(cx * cx + cy * cy + cz * cz), + u = x0 * x + y0 * y + z0 * z, + v = m && -acos(u) / m, // area weight + w = atan2(m, u); // line weight + X2 += v * cx; + Y2 += v * cy; + Z2 += v * cz; + W1 += w; + X1 += w * (x0 + (x0 = x)); + Y1 += w * (y0 + (y0 = y)); + Z1 += w * (z0 + (z0 = z)); + centroidPointCartesian(x0, y0, z0); +} + +var centroid$1 = function(object) { + W0 = W1 = + X0 = Y0 = Z0 = + X1 = Y1 = Z1 = + X2 = Y2 = Z2 = 0; + geoStream(object, centroidStream); + + var x = X2, + y = Y2, + z = Z2, + m = x * x + y * y + z * z; - function graticuleX(y0, y1, dy) { - var y = range(y0, y1 - epsilon$4, dy).concat(y1); - return function(x) { return y.map(function(y) { return [x, y]; }); }; + // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid. + if (m < epsilon2$2) { + x = X1, y = Y1, z = Z1; + // If the feature has zero length, fall back to arithmetic mean of point vectors. + if (W1 < epsilon$4) x = X0, y = Y0, z = Z0; + m = x * x + y * y + z * z; + // If the feature still has an undefined ccentroid, then return. + if (m < epsilon2$2) return [NaN, NaN]; } - function graticuleY(x0, x1, dx) { - var x = range(x0, x1 - epsilon$4, dx).concat(x1); - return function(y) { return x.map(function(x) { return [x, y]; }); }; - } + return [atan2(y, x) * degrees$1, asin$1(z / sqrt$1(m)) * degrees$1]; +} - function graticule() { - var x1, x0, X1, X0, - y1, y0, Y1, Y0, - dx = 10, dy = dx, DX = 90, DY = 360, - x, y, X, Y, - precision = 2.5; +var constant$13 = function(x) { + return function() { + return x; + }; +} - function graticule() { - return {type: "MultiLineString", coordinates: lines()}; - } +var compose = function(a, b) { - function lines() { - return range(ceil(X0 / DX) * DX, X1, DX).map(X) - .concat(range(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) - .concat(range(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$4; }).map(x)) - .concat(range(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$4; }).map(y)); - } + function compose(x, y) { + return x = a(x, y), b(x[0], x[1]); + } - graticule.lines = function() { - return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); - }; + if (a.invert && b.invert) compose.invert = function(x, y) { + return x = b.invert(x, y), x && a.invert(x[0], x[1]); + }; - graticule.outline = function() { - return { - type: "Polygon", - coordinates: [ - X(X0).concat( - Y(Y1).slice(1), - X(X1).reverse().slice(1), - Y(Y0).reverse().slice(1)) - ] - }; - }; + return compose; +} - graticule.extent = function(_) { - if (!arguments.length) return graticule.extentMinor(); - return graticule.extentMajor(_).extentMinor(_); - }; +function rotationIdentity(lambda, phi) { + return [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi]; +} - graticule.extentMajor = function(_) { - if (!arguments.length) return [[X0, Y0], [X1, Y1]]; - X0 = +_[0][0], X1 = +_[1][0]; - Y0 = +_[0][1], Y1 = +_[1][1]; - if (X0 > X1) _ = X0, X0 = X1, X1 = _; - if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; - return graticule.precision(precision); - }; +rotationIdentity.invert = rotationIdentity; - graticule.extentMinor = function(_) { - if (!arguments.length) return [[x0, y0], [x1, y1]]; - x0 = +_[0][0], x1 = +_[1][0]; - y0 = +_[0][1], y1 = +_[1][1]; - if (x0 > x1) _ = x0, x0 = x1, x1 = _; - if (y0 > y1) _ = y0, y0 = y1, y1 = _; - return graticule.precision(precision); - }; +function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { + return (deltaLambda %= tau$4) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) + : rotationLambda(deltaLambda)) + : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) + : rotationIdentity); +} - graticule.step = function(_) { - if (!arguments.length) return graticule.stepMinor(); - return graticule.stepMajor(_).stepMinor(_); - }; +function forwardRotationLambda(deltaLambda) { + return function(lambda, phi) { + return lambda += deltaLambda, [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi]; + }; +} - graticule.stepMajor = function(_) { - if (!arguments.length) return [DX, DY]; - DX = +_[0], DY = +_[1]; - return graticule; - }; +function rotationLambda(deltaLambda) { + var rotation = forwardRotationLambda(deltaLambda); + rotation.invert = forwardRotationLambda(-deltaLambda); + return rotation; +} - graticule.stepMinor = function(_) { - if (!arguments.length) return [dx, dy]; - dx = +_[0], dy = +_[1]; - return graticule; - }; +function rotationPhiGamma(deltaPhi, deltaGamma) { + var cosDeltaPhi = cos$1(deltaPhi), + sinDeltaPhi = sin$1(deltaPhi), + cosDeltaGamma = cos$1(deltaGamma), + sinDeltaGamma = sin$1(deltaGamma); - graticule.precision = function(_) { - if (!arguments.length) return precision; - precision = +_; - x = graticuleX(y0, y1, 90); - y = graticuleY(x0, x1, precision); - X = graticuleX(Y0, Y1, 90); - Y = graticuleY(X0, X1, precision); - return graticule; - }; + function rotation(lambda, phi) { + var cosPhi = cos$1(phi), + x = cos$1(lambda) * cosPhi, + y = sin$1(lambda) * cosPhi, + z = sin$1(phi), + k = z * cosDeltaPhi + x * sinDeltaPhi; + return [ + atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi), + asin$1(k * cosDeltaGamma + y * sinDeltaGamma) + ]; + } - return graticule - .extentMajor([[-180, -90 + epsilon$4], [180, 90 - epsilon$4]]) - .extentMinor([[-180, -80 - epsilon$4], [180, 80 + epsilon$4]]); - } - - function interpolate$2(a, b) { - var x0 = a[0] * radians, - y0 = a[1] * radians, - x1 = b[0] * radians, - y1 = b[1] * radians, - cy0 = cos$1(y0), - sy0 = sin$1(y0), - cy1 = cos$1(y1), - sy1 = sin$1(y1), - kx0 = cy0 * cos$1(x0), - ky0 = cy0 * sin$1(x0), - kx1 = cy1 * cos$1(x1), - ky1 = cy1 * sin$1(x1), - d = 2 * asin$1(sqrt$1(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), - k = sin$1(d); - - var interpolate = d ? function(t) { - var B = sin$1(t *= d) / k, - A = sin$1(d - t) / k, - x = A * kx0 + B * kx1, - y = A * ky0 + B * ky1, - z = A * sy0 + B * sy1; - return [ - atan2(y, x) * degrees$1, - atan2(z, sqrt$1(x * x + y * y)) * degrees$1 - ]; - } : function() { - return [x0 * degrees$1, y0 * degrees$1]; - }; + rotation.invert = function(lambda, phi) { + var cosPhi = cos$1(phi), + x = cos$1(lambda) * cosPhi, + y = sin$1(lambda) * cosPhi, + z = sin$1(phi), + k = z * cosDeltaGamma - y * sinDeltaGamma; + return [ + atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi), + asin$1(k * cosDeltaPhi - x * sinDeltaPhi) + ]; + }; - interpolate.distance = d; + return rotation; +} - return interpolate; - } +var rotation = function(rotate) { + rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); - function identity$7(x) { - return x; + function forward(coordinates) { + coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians); + return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; } -var areaSum$1 = adder(); -var areaRingSum$1 = adder(); - var x00; - var y00; -var x0$1; -var y0$1; - var areaStream$1 = { - point: noop$2, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: function() { - areaStream$1.lineStart = areaRingStart$1; - areaStream$1.lineEnd = areaRingEnd$1; - }, - polygonEnd: function() { - areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$2; - areaSum$1.add(abs(areaRingSum$1)); - areaRingSum$1.reset(); - }, - result: function() { - var area = areaSum$1 / 2; - areaSum$1.reset(); - return area; - } + forward.invert = function(coordinates) { + coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians); + return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; }; - function areaRingStart$1() { - areaStream$1.point = areaPointFirst$1; - } - - function areaPointFirst$1(x, y) { - areaStream$1.point = areaPoint$1; - x00 = x0$1 = x, y00 = y0$1 = y; + return forward; +} + +// Generates a circle centered at [0°, 0°], with a given radius and precision. +function circleStream(stream, radius, delta, direction, t0, t1) { + if (!delta) return; + var cosRadius = cos$1(radius), + sinRadius = sin$1(radius), + step = direction * delta; + if (t0 == null) { + t0 = radius + direction * tau$4; + t1 = radius - step / 2; + } else { + t0 = circleRadius(cosRadius, t0); + t1 = circleRadius(cosRadius, t1); + if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$4; + } + for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) { + point = spherical([cosRadius, -sinRadius * cos$1(t), -sinRadius * sin$1(t)]); + stream.point(point[0], point[1]); + } +} + +// Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0]. +function circleRadius(cosRadius, point) { + point = cartesian(point), point[0] -= cosRadius; + cartesianNormalizeInPlace(point); + var radius = acos(-point[1]); + return ((-point[2] < 0 ? -radius : radius) + tau$4 - epsilon$4) % tau$4; +} + +var circle$1 = function() { + var center = constant$13([0, 0]), + radius = constant$13(90), + precision = constant$13(6), + ring, + rotate, + stream = {point: point}; + + function point(x, y) { + ring.push(x = rotate(x, y)); + x[0] *= degrees$1, x[1] *= degrees$1; + } + + function circle() { + var c = center.apply(this, arguments), + r = radius.apply(this, arguments) * radians, + p = precision.apply(this, arguments) * radians; + ring = []; + rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert; + circleStream(stream, r, p, 1); + c = {type: "Polygon", coordinates: [ring]}; + ring = rotate = null; + return c; } - function areaPoint$1(x, y) { - areaRingSum$1.add(y0$1 * x - x0$1 * y); - x0$1 = x, y0$1 = y; - } + circle.center = function(_) { + return arguments.length ? (center = typeof _ === "function" ? _ : constant$13([+_[0], +_[1]]), circle) : center; + }; - function areaRingEnd$1() { - areaPoint$1(x00, y00); - } + circle.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$13(+_), circle) : radius; + }; -var x0$2 = Infinity; -var y0$2 = x0$2; - var x1 = -x0$2; - var y1 = x1; - var boundsStream$1 = { - point: boundsPoint$1, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: noop$2, - polygonEnd: noop$2, - result: function() { - var bounds = [[x0$2, y0$2], [x1, y1]]; - x1 = y1 = -(y0$2 = x0$2 = Infinity); - return bounds; - } + circle.precision = function(_) { + return arguments.length ? (precision = typeof _ === "function" ? _ : constant$13(+_), circle) : precision; }; - function boundsPoint$1(x, y) { - if (x < x0$2) x0$2 = x; - if (x > x1) x1 = x; - if (y < y0$2) y0$2 = y; - if (y > y1) y1 = y; - } + return circle; +} -var X0$1 = 0; -var Y0$1 = 0; -var Z0$1 = 0; -var X1$1 = 0; -var Y1$1 = 0; -var Z1$1 = 0; -var X2$1 = 0; -var Y2$1 = 0; -var Z2$1 = 0; -var x00$1; -var y00$1; -var x0$3; -var y0$3; - var centroidStream$1 = { - point: centroidPoint$1, - lineStart: centroidLineStart$1, - lineEnd: centroidLineEnd$1, - polygonStart: function() { - centroidStream$1.lineStart = centroidRingStart$1; - centroidStream$1.lineEnd = centroidRingEnd$1; +var clipBuffer = function() { + var lines = [], + line; + return { + point: function(x, y) { + line.push([x, y]); + }, + lineStart: function() { + lines.push(line = []); }, - polygonEnd: function() { - centroidStream$1.point = centroidPoint$1; - centroidStream$1.lineStart = centroidLineStart$1; - centroidStream$1.lineEnd = centroidLineEnd$1; + lineEnd: noop$2, + rejoin: function() { + if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); }, result: function() { - var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] - : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] - : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] - : [NaN, NaN]; - X0$1 = Y0$1 = Z0$1 = - X1$1 = Y1$1 = Z1$1 = - X2$1 = Y2$1 = Z2$1 = 0; - return centroid; + var result = lines; + lines = []; + line = null; + return result; } }; +} + +var clipLine = function(a, b, x0, y0, x1, y1) { + var ax = a[0], + ay = a[1], + bx = b[0], + by = b[1], + t0 = 0, + t1 = 1, + dx = bx - ax, + dy = by - ay, + r; + + r = x0 - ax; + if (!dx && r > 0) return; + r /= dx; + if (dx < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dx > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = x1 - ax; + if (!dx && r < 0) return; + r /= dx; + if (dx < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dx > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + r = y0 - ay; + if (!dy && r > 0) return; + r /= dy; + if (dy < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dy > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = y1 - ay; + if (!dy && r < 0) return; + r /= dy; + if (dy < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dy > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; + if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; + return true; +} + +var pointEqual = function(a, b) { + return abs(a[0] - b[0]) < epsilon$4 && abs(a[1] - b[1]) < epsilon$4; +} + +function Intersection(point, points, other, entry) { + this.x = point; + this.z = points; + this.o = other; // another intersection + this.e = entry; // is an entry? + this.v = false; // visited + this.n = this.p = null; // next & previous +} + +// A generalized polygon clipping algorithm: given a polygon that has been cut +// into its visible line segments, and rejoins the segments by interpolating +// along the clip edge. +var clipPolygon = function(segments, compareIntersection, startInside, interpolate, stream) { + var subject = [], + clip = [], + i, + n; + + segments.forEach(function(segment) { + if ((n = segment.length - 1) <= 0) return; + var n, p0 = segment[0], p1 = segment[n], x; + + // If the first and last points of a segment are coincident, then treat as a + // closed ring. TODO if all rings are closed, then the winding order of the + // exterior ring should be checked. + if (pointEqual(p0, p1)) { + stream.lineStart(); + for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]); + stream.lineEnd(); + return; + } - function centroidPoint$1(x, y) { - X0$1 += x; - Y0$1 += y; - ++Z0$1; - } + subject.push(x = new Intersection(p0, segment, null, true)); + clip.push(x.o = new Intersection(p0, null, x, false)); + subject.push(x = new Intersection(p1, segment, null, false)); + clip.push(x.o = new Intersection(p1, null, x, true)); + }); - function centroidLineStart$1() { - centroidStream$1.point = centroidPointFirstLine; - } + if (!subject.length) return; - function centroidPointFirstLine(x, y) { - centroidStream$1.point = centroidPointLine; - centroidPoint$1(x0$3 = x, y0$3 = y); - } + clip.sort(compareIntersection); + link$1(subject); + link$1(clip); - function centroidPointLine(x, y) { - var dx = x - x0$3, dy = y - y0$3, z = sqrt$1(dx * dx + dy * dy); - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; - centroidPoint$1(x0$3 = x, y0$3 = y); + for (i = 0, n = clip.length; i < n; ++i) { + clip[i].e = startInside = !startInside; } - function centroidLineEnd$1() { - centroidStream$1.point = centroidPoint$1; - } + var start = subject[0], + points, + point; - function centroidRingStart$1() { - centroidStream$1.point = centroidPointFirstRing; + while (1) { + // Find first unvisited intersection. + var current = start, + isSubject = true; + while (current.v) if ((current = current.n) === start) return; + points = current.z; + stream.lineStart(); + do { + current.v = current.o.v = true; + if (current.e) { + if (isSubject) { + for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.n.x, 1, stream); + } + current = current.n; + } else { + if (isSubject) { + points = current.p.z; + for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.p.x, -1, stream); + } + current = current.p; + } + current = current.o; + points = current.z; + isSubject = !isSubject; + } while (!current.v); + stream.lineEnd(); } +} - function centroidRingEnd$1() { - centroidPointRing(x00$1, y00$1); +function link$1(array) { + if (!(n = array.length)) return; + var n, + i = 0, + a = array[0], + b; + while (++i < n) { + a.n = b = array[i]; + b.p = a; + a = b; } + a.n = b = array[0]; + b.p = a; +} - function centroidPointFirstRing(x, y) { - centroidStream$1.point = centroidPointRing; - centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); - } +var clipMax = 1e9; +var clipMin = -clipMax; - function centroidPointRing(x, y) { - var dx = x - x0$3, - dy = y - y0$3, - z = sqrt$1(dx * dx + dy * dy); +// TODO Use d3-polygon’s polygonContains here for the ring check? +// TODO Eliminate duplicate buffering in clipBuffer and polygon.push? - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; +function clipExtent(x0, y0, x1, y1) { - z = y0$3 * x - x0$3 * y; - X2$1 += z * (x0$3 + x); - Y2$1 += z * (y0$3 + y); - Z2$1 += z * 3; - centroidPoint$1(x0$3 = x, y0$3 = y); + function visible(x, y) { + return x0 <= x && x <= x1 && y0 <= y && y <= y1; } - function PathContext(context) { - var pointRadius = 4.5; + function interpolate(from, to, direction, stream) { + var a = 0, a1 = 0; + if (from == null + || (a = corner(from, direction)) !== (a1 = corner(to, direction)) + || comparePoint(from, to) < 0 ^ direction > 0) { + do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); + while ((a = (a + direction + 4) % 4) !== a1); + } else { + stream.point(to[0], to[1]); + } + } - var stream = { - point: point, + function corner(p, direction) { + return abs(p[0] - x0) < epsilon$4 ? direction > 0 ? 0 : 3 + : abs(p[0] - x1) < epsilon$4 ? direction > 0 ? 2 : 1 + : abs(p[1] - y0) < epsilon$4 ? direction > 0 ? 1 : 0 + : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon + } - // While inside a line, override point to moveTo then lineTo. - lineStart: function() { stream.point = pointLineStart; }, - lineEnd: lineEnd, + function compareIntersection(a, b) { + return comparePoint(a.x, b.x); + } - // While inside a polygon, override lineEnd to closePath. - polygonStart: function() { stream.lineEnd = lineEndPolygon; }, - polygonEnd: function() { stream.lineEnd = lineEnd; stream.point = point; }, + function comparePoint(a, b) { + var ca = corner(a, 1), + cb = corner(b, 1); + return ca !== cb ? ca - cb + : ca === 0 ? b[1] - a[1] + : ca === 1 ? a[0] - b[0] + : ca === 2 ? a[1] - b[1] + : b[0] - a[0]; + } - pointRadius: function(_) { - pointRadius = _; - return stream; - }, + return function(stream) { + var activeStream = stream, + bufferStream = clipBuffer(), + segments, + polygon, + ring, + x__, y__, v__, // first point + x_, y_, v_, // previous point + first, + clean; - result: noop$2 + var clipStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: polygonStart, + polygonEnd: polygonEnd }; function point(x, y) { - context.moveTo(x + pointRadius, y); - context.arc(x, y, pointRadius, 0, tau$4); + if (visible(x, y)) activeStream.point(x, y); } - function pointLineStart(x, y) { - context.moveTo(x, y); - stream.point = pointLine; - } + function polygonInside() { + var winding = 0; - function pointLine(x, y) { - context.lineTo(x, y); - } + for (var i = 0, n = polygon.length; i < n; ++i) { + for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { + a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; + if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } + else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } + } + } - function lineEnd() { - stream.point = point; + return winding; } - function lineEndPolygon() { - context.closePath(); + // Buffer geometry within a polygon and then clip it en masse. + function polygonStart() { + activeStream = bufferStream, segments = [], polygon = [], clean = true; } - return stream; - } - - function PathString() { - var pointCircle = circle$2(4.5), - string = []; - - var stream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - stream.lineEnd = lineEndPolygon; - }, - polygonEnd: function() { - stream.lineEnd = lineEnd; - stream.point = point; - }, - pointRadius: function(_) { - pointCircle = circle$2(_); - return stream; - }, - result: function() { - if (string.length) { - var result = string.join(""); - string = []; - return result; + function polygonEnd() { + var startInside = polygonInside(), + cleanInside = clean && startInside, + visible = (segments = merge(segments)).length; + if (cleanInside || visible) { + stream.polygonStart(); + if (cleanInside) { + stream.lineStart(); + interpolate(null, null, 1, stream); + stream.lineEnd(); } + if (visible) { + clipPolygon(segments, compareIntersection, startInside, interpolate, stream); + } + stream.polygonEnd(); } - }; - - function point(x, y) { - string.push("M", x, ",", y, pointCircle); + activeStream = stream, segments = polygon = ring = null; } - function pointLineStart(x, y) { - string.push("M", x, ",", y); - stream.point = pointLine; + function lineStart() { + clipStream.point = linePoint; + if (polygon) polygon.push(ring = []); + first = true; + v_ = false; + x_ = y_ = NaN; } - function pointLine(x, y) { - string.push("L", x, ",", y); + // TODO rather than special-case polygons, simply handle them separately. + // Ideally, coincident intersection points should be jittered to avoid + // clipping issues. + function lineEnd() { + if (segments) { + linePoint(x__, y__); + if (v__ && v_) bufferStream.rejoin(); + segments.push(bufferStream.result()); + } + clipStream.point = point; + if (v_) activeStream.lineEnd(); } - function lineStart() { - stream.point = pointLineStart; + function linePoint(x, y) { + var v = visible(x, y); + if (polygon) ring.push([x, y]); + if (first) { + x__ = x, y__ = y, v__ = v; + first = false; + if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + } + } else { + if (v && v_) activeStream.point(x, y); + else { + var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], + b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; + if (clipLine(a, b, x0, y0, x1, y1)) { + if (!v_) { + activeStream.lineStart(); + activeStream.point(a[0], a[1]); + } + activeStream.point(b[0], b[1]); + if (!v) activeStream.lineEnd(); + clean = false; + } else if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + clean = false; + } + } + } + x_ = x, y_ = y, v_ = v; } - function lineEnd() { - stream.point = point; - } + return clipStream; + }; +} - function lineEndPolygon() { - string.push("Z"); +var extent$1 = function() { + var x0 = 0, + y0 = 0, + x1 = 960, + y1 = 500, + cache, + cacheStream, + clip; + + return clip = { + stream: function(stream) { + return cache && cacheStream === stream ? cache : cache = clipExtent(x0, y0, x1, y1)(cacheStream = stream); + }, + extent: function(_) { + return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; } + }; +} + +var lengthSum = adder(); +var lambda0$2; +var sinPhi0$1; +var cosPhi0$1; + +var lengthStream = { + sphere: noop$2, + point: noop$2, + lineStart: lengthLineStart, + lineEnd: noop$2, + polygonStart: noop$2, + polygonEnd: noop$2 +}; + +function lengthLineStart() { + lengthStream.point = lengthPointFirst; + lengthStream.lineEnd = lengthLineEnd; +} + +function lengthLineEnd() { + lengthStream.point = lengthStream.lineEnd = noop$2; +} + +function lengthPointFirst(lambda, phi) { + lambda *= radians, phi *= radians; + lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi); + lengthStream.point = lengthPoint; +} + +function lengthPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var sinPhi = sin$1(phi), + cosPhi = cos$1(phi), + delta = abs(lambda - lambda0$2), + cosDelta = cos$1(delta), + sinDelta = sin$1(delta), + x = cosPhi * sinDelta, + y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, + z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; + lengthSum.add(atan2(sqrt$1(x * x + y * y), z)); + lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; +} + +var length$2 = function(object) { + lengthSum.reset(); + geoStream(object, lengthStream); + return +lengthSum; +} + +var coordinates = [null, null]; +var object$1 = {type: "LineString", coordinates: coordinates}; + +var distance = function(a, b) { + coordinates[0] = a; + coordinates[1] = b; + return length$2(object$1); +} + +function graticuleX(y0, y1, dy) { + var y = range(y0, y1 - epsilon$4, dy).concat(y1); + return function(x) { return y.map(function(y) { return [x, y]; }); }; +} + +function graticuleY(x0, x1, dx) { + var x = range(x0, x1 - epsilon$4, dx).concat(x1); + return function(y) { return x.map(function(x) { return [x, y]; }); }; +} + +var graticule = function() { + var x1, x0, X1, X0, + y1, y0, Y1, Y0, + dx = 10, dy = dx, DX = 90, DY = 360, + x, y, X, Y, + precision = 2.5; - return stream; + function graticule() { + return {type: "MultiLineString", coordinates: lines()}; } - function circle$2(radius) { - return "m0," + radius - + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius - + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius - + "z"; + function lines() { + return range(ceil(X0 / DX) * DX, X1, DX).map(X) + .concat(range(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) + .concat(range(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$4; }).map(x)) + .concat(range(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$4; }).map(y)); } - function index$3() { - var pointRadius = 4.5, - projection, - projectionStream, - context, - contextStream; - - function path(object) { - if (object) { - if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); - geoStream(object, projectionStream(contextStream)); - } - return contextStream.result(); - } + graticule.lines = function() { + return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); + }; - path.area = function(object) { - geoStream(object, projectionStream(areaStream$1)); - return areaStream$1.result(); + graticule.outline = function() { + return { + type: "Polygon", + coordinates: [ + X(X0).concat( + Y(Y1).slice(1), + X(X1).reverse().slice(1), + Y(Y0).reverse().slice(1)) + ] }; + }; - path.bounds = function(object) { - geoStream(object, projectionStream(boundsStream$1)); - return boundsStream$1.result(); - }; + graticule.extent = function(_) { + if (!arguments.length) return graticule.extentMinor(); + return graticule.extentMajor(_).extentMinor(_); + }; - path.centroid = function(object) { - geoStream(object, projectionStream(centroidStream$1)); - return centroidStream$1.result(); - }; + graticule.extentMajor = function(_) { + if (!arguments.length) return [[X0, Y0], [X1, Y1]]; + X0 = +_[0][0], X1 = +_[1][0]; + Y0 = +_[0][1], Y1 = +_[1][1]; + if (X0 > X1) _ = X0, X0 = X1, X1 = _; + if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; + return graticule.precision(precision); + }; - path.projection = function(_) { - return arguments.length ? (projectionStream = (projection = _) == null ? identity$7 : _.stream, path) : projection; - }; + graticule.extentMinor = function(_) { + if (!arguments.length) return [[x0, y0], [x1, y1]]; + x0 = +_[0][0], x1 = +_[1][0]; + y0 = +_[0][1], y1 = +_[1][1]; + if (x0 > x1) _ = x0, x0 = x1, x1 = _; + if (y0 > y1) _ = y0, y0 = y1, y1 = _; + return graticule.precision(precision); + }; - path.context = function(_) { - if (!arguments.length) return context; - contextStream = (context = _) == null ? new PathString : new PathContext(_); - if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); - return path; - }; + graticule.step = function(_) { + if (!arguments.length) return graticule.stepMinor(); + return graticule.stepMajor(_).stepMinor(_); + }; - path.pointRadius = function(_) { - if (!arguments.length) return pointRadius; - pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); - return path; - }; + graticule.stepMajor = function(_) { + if (!arguments.length) return [DX, DY]; + DX = +_[0], DY = +_[1]; + return graticule; + }; - return path.projection(null).context(null); - } - - var sum$2 = adder(); - - function polygonContains(polygon, point) { - var lambda = point[0], - phi = point[1], - normal = [sin$1(lambda), -cos$1(lambda), 0], - angle = 0, - winding = 0; - - sum$2.reset(); - - for (var i = 0, n = polygon.length; i < n; ++i) { - if (!(m = (ring = polygon[i]).length)) continue; - var ring, - m, - point0 = ring[m - 1], - lambda0 = point0[0], - phi0 = point0[1] / 2 + quarterPi, - sinPhi0 = sin$1(phi0), - cosPhi0 = cos$1(phi0); - - for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { - var point1 = ring[j], - lambda1 = point1[0], - phi1 = point1[1] / 2 + quarterPi, - sinPhi1 = sin$1(phi1), - cosPhi1 = cos$1(phi1), - delta = lambda1 - lambda0, - sign = delta >= 0 ? 1 : -1, - absDelta = sign * delta, - antimeridian = absDelta > pi$4, - k = sinPhi0 * sinPhi1; - - sum$2.add(atan2(k * sign * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); - angle += antimeridian ? delta + sign * tau$4 : delta; - - // Are the longitudes either side of the point’s meridian (lambda), - // and are the latitudes smaller than the parallel (phi)? - if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) { - var arc = cartesianCross(cartesian(point0), cartesian(point1)); - cartesianNormalizeInPlace(arc); - var intersection = cartesianCross(normal, arc); - cartesianNormalizeInPlace(intersection); - var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin$1(intersection[2]); - if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) { - winding += antimeridian ^ delta >= 0 ? 1 : -1; - } - } + graticule.stepMinor = function(_) { + if (!arguments.length) return [dx, dy]; + dx = +_[0], dy = +_[1]; + return graticule; + }; + + graticule.precision = function(_) { + if (!arguments.length) return precision; + precision = +_; + x = graticuleX(y0, y1, 90); + y = graticuleY(x0, x1, precision); + X = graticuleX(Y0, Y1, 90); + Y = graticuleY(X0, X1, precision); + return graticule; + }; + + return graticule + .extentMajor([[-180, -90 + epsilon$4], [180, 90 - epsilon$4]]) + .extentMinor([[-180, -80 - epsilon$4], [180, 80 + epsilon$4]]); +} + +var interpolate$2 = function(a, b) { + var x0 = a[0] * radians, + y0 = a[1] * radians, + x1 = b[0] * radians, + y1 = b[1] * radians, + cy0 = cos$1(y0), + sy0 = sin$1(y0), + cy1 = cos$1(y1), + sy1 = sin$1(y1), + kx0 = cy0 * cos$1(x0), + ky0 = cy0 * sin$1(x0), + kx1 = cy1 * cos$1(x1), + ky1 = cy1 * sin$1(x1), + d = 2 * asin$1(sqrt$1(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), + k = sin$1(d); + + var interpolate = d ? function(t) { + var B = sin$1(t *= d) / k, + A = sin$1(d - t) / k, + x = A * kx0 + B * kx1, + y = A * ky0 + B * ky1, + z = A * sy0 + B * sy1; + return [ + atan2(y, x) * degrees$1, + atan2(z, sqrt$1(x * x + y * y)) * degrees$1 + ]; + } : function() { + return [x0 * degrees$1, y0 * degrees$1]; + }; + + interpolate.distance = d; + + return interpolate; +} + +var identity$7 = function(x) { + return x; +} + +var areaSum$1 = adder(); +var areaRingSum$1 = adder(); +var x00; +var y00; +var x0$1; +var y0$1; + +var areaStream$1 = { + point: noop$2, + lineStart: noop$2, + lineEnd: noop$2, + polygonStart: function() { + areaStream$1.lineStart = areaRingStart$1; + areaStream$1.lineEnd = areaRingEnd$1; + }, + polygonEnd: function() { + areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$2; + areaSum$1.add(abs(areaRingSum$1)); + areaRingSum$1.reset(); + }, + result: function() { + var area = areaSum$1 / 2; + areaSum$1.reset(); + return area; + } +}; + +function areaRingStart$1() { + areaStream$1.point = areaPointFirst$1; +} + +function areaPointFirst$1(x, y) { + areaStream$1.point = areaPoint$1; + x00 = x0$1 = x, y00 = y0$1 = y; +} + +function areaPoint$1(x, y) { + areaRingSum$1.add(y0$1 * x - x0$1 * y); + x0$1 = x, y0$1 = y; +} + +function areaRingEnd$1() { + areaPoint$1(x00, y00); +} + +var x0$2 = Infinity; +var y0$2 = x0$2; +var x1 = -x0$2; +var y1 = x1; + +var boundsStream$1 = { + point: boundsPoint$1, + lineStart: noop$2, + lineEnd: noop$2, + polygonStart: noop$2, + polygonEnd: noop$2, + result: function() { + var bounds = [[x0$2, y0$2], [x1, y1]]; + x1 = y1 = -(y0$2 = x0$2 = Infinity); + return bounds; + } +}; + +function boundsPoint$1(x, y) { + if (x < x0$2) x0$2 = x; + if (x > x1) x1 = x; + if (y < y0$2) y0$2 = y; + if (y > y1) y1 = y; +} + +// TODO Enforce positive area for exterior, negative area for interior? + +var X0$1 = 0; +var Y0$1 = 0; +var Z0$1 = 0; +var X1$1 = 0; +var Y1$1 = 0; +var Z1$1 = 0; +var X2$1 = 0; +var Y2$1 = 0; +var Z2$1 = 0; +var x00$1; +var y00$1; +var x0$3; +var y0$3; + +var centroidStream$1 = { + point: centroidPoint$1, + lineStart: centroidLineStart$1, + lineEnd: centroidLineEnd$1, + polygonStart: function() { + centroidStream$1.lineStart = centroidRingStart$1; + centroidStream$1.lineEnd = centroidRingEnd$1; + }, + polygonEnd: function() { + centroidStream$1.point = centroidPoint$1; + centroidStream$1.lineStart = centroidLineStart$1; + centroidStream$1.lineEnd = centroidLineEnd$1; + }, + result: function() { + var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] + : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] + : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] + : [NaN, NaN]; + X0$1 = Y0$1 = Z0$1 = + X1$1 = Y1$1 = Z1$1 = + X2$1 = Y2$1 = Z2$1 = 0; + return centroid; + } +}; + +function centroidPoint$1(x, y) { + X0$1 += x; + Y0$1 += y; + ++Z0$1; +} + +function centroidLineStart$1() { + centroidStream$1.point = centroidPointFirstLine; +} + +function centroidPointFirstLine(x, y) { + centroidStream$1.point = centroidPointLine; + centroidPoint$1(x0$3 = x, y0$3 = y); +} + +function centroidPointLine(x, y) { + var dx = x - x0$3, dy = y - y0$3, z = sqrt$1(dx * dx + dy * dy); + X1$1 += z * (x0$3 + x) / 2; + Y1$1 += z * (y0$3 + y) / 2; + Z1$1 += z; + centroidPoint$1(x0$3 = x, y0$3 = y); +} + +function centroidLineEnd$1() { + centroidStream$1.point = centroidPoint$1; +} + +function centroidRingStart$1() { + centroidStream$1.point = centroidPointFirstRing; +} + +function centroidRingEnd$1() { + centroidPointRing(x00$1, y00$1); +} + +function centroidPointFirstRing(x, y) { + centroidStream$1.point = centroidPointRing; + centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); +} + +function centroidPointRing(x, y) { + var dx = x - x0$3, + dy = y - y0$3, + z = sqrt$1(dx * dx + dy * dy); + + X1$1 += z * (x0$3 + x) / 2; + Y1$1 += z * (y0$3 + y) / 2; + Z1$1 += z; + + z = y0$3 * x - x0$3 * y; + X2$1 += z * (x0$3 + x); + Y2$1 += z * (y0$3 + y); + Z2$1 += z * 3; + centroidPoint$1(x0$3 = x, y0$3 = y); +} + +function PathContext(context) { + this._context = context; +} + +PathContext.prototype = { + _radius: 4.5, + pointRadius: function(_) { + return this._radius = _, this; + }, + polygonStart: function() { + this._line = 0; + }, + polygonEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line === 0) this._context.closePath(); + this._point = NaN; + }, + point: function(x, y) { + switch (this._point) { + case 0: { + this._context.moveTo(x, y); + this._point = 1; + break; + } + case 1: { + this._context.lineTo(x, y); + break; + } + default: { + this._context.moveTo(x + this._radius, y); + this._context.arc(x, y, this._radius, 0, tau$4); + break; } } + }, + result: noop$2 +}; + +function PathString() { + this._string = []; +} + +PathString.prototype = { + _circle: circle$2(4.5), + pointRadius: function(_) { + return this._circle = circle$2(_), this; + }, + polygonStart: function() { + this._line = 0; + }, + polygonEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line === 0) this._string.push("Z"); + this._point = NaN; + }, + point: function(x, y) { + switch (this._point) { + case 0: { + this._string.push("M", x, ",", y); + this._point = 1; + break; + } + case 1: { + this._string.push("L", x, ",", y); + break; + } + default: { + this._string.push("M", x, ",", y, this._circle); + break; + } + } + }, + result: function() { + if (this._string.length) { + var result = this._string.join(""); + this._string = []; + return result; + } + } +}; - // First, determine whether the South pole is inside or outside: - // - // It is inside if: - // * the polygon winds around it in a clockwise direction. - // * the polygon does not (cumulatively) wind around it, but has a negative - // (counter-clockwise) area. - // - // Second, count the (signed) number of times a segment crosses a lambda - // from the point to the South pole. If it is zero, then the point is the - // same side as the South pole. - - return (angle < -epsilon$4 || angle < epsilon$4 && sum$2 < -epsilon$4) ^ (winding & 1); - } - - function clip(pointVisible, clipLine, interpolate, start) { - return function(rotate, sink) { - var line = clipLine(sink), - rotatedStart = rotate.invert(start[0], start[1]), - ringBuffer = clipBuffer(), - ringSink = clipLine(ringBuffer), - polygonStarted = false, - polygon, - segments, - ring; - - var clip = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - clip.point = pointRing; - clip.lineStart = ringStart; - clip.lineEnd = ringEnd; - segments = []; - polygon = []; - }, - polygonEnd: function() { - clip.point = point; - clip.lineStart = lineStart; - clip.lineEnd = lineEnd; - segments = merge(segments); - var startInside = polygonContains(polygon, rotatedStart); - if (segments.length) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - clipPolygon(segments, compareIntersection, startInside, interpolate, sink); - } else if (startInside) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - } - if (polygonStarted) sink.polygonEnd(), polygonStarted = false; - segments = polygon = null; - }, - sphere: function() { - sink.polygonStart(); - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - sink.polygonEnd(); - } - }; +function circle$2(radius) { + return "m0," + radius + + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + + "z"; +} - function point(lambda, phi) { - var point = rotate(lambda, phi); - if (pointVisible(lambda = point[0], phi = point[1])) sink.point(lambda, phi); - } +var index$3 = function() { + var pointRadius = 4.5, + projection, + projectionStream, + context, + contextStream; - function pointLine(lambda, phi) { - var point = rotate(lambda, phi); - line.point(point[0], point[1]); - } + function path(object) { + if (object) { + if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); + geoStream(object, projectionStream(contextStream)); + } + return contextStream.result(); + } - function lineStart() { - clip.point = pointLine; - line.lineStart(); - } + path.area = function(object) { + geoStream(object, projectionStream(areaStream$1)); + return areaStream$1.result(); + }; + + path.bounds = function(object) { + geoStream(object, projectionStream(boundsStream$1)); + return boundsStream$1.result(); + }; + + path.centroid = function(object) { + geoStream(object, projectionStream(centroidStream$1)); + return centroidStream$1.result(); + }; + + path.projection = function(_) { + return arguments.length ? (projectionStream = (projection = _) == null ? identity$7 : _.stream, path) : projection; + }; + + path.context = function(_) { + if (!arguments.length) return context; + contextStream = (context = _) == null ? new PathString : new PathContext(_); + if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); + return path; + }; + + path.pointRadius = function(_) { + if (!arguments.length) return pointRadius; + pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); + return path; + }; - function lineEnd() { + return path.projection(null).context(null); +} + +var sum$2 = adder(); + +var polygonContains = function(polygon, point) { + var lambda = point[0], + phi = point[1], + normal = [sin$1(lambda), -cos$1(lambda), 0], + angle = 0, + winding = 0; + + sum$2.reset(); + + for (var i = 0, n = polygon.length; i < n; ++i) { + if (!(m = (ring = polygon[i]).length)) continue; + var ring, + m, + point0 = ring[m - 1], + lambda0 = point0[0], + phi0 = point0[1] / 2 + quarterPi, + sinPhi0 = sin$1(phi0), + cosPhi0 = cos$1(phi0); + + for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { + var point1 = ring[j], + lambda1 = point1[0], + phi1 = point1[1] / 2 + quarterPi, + sinPhi1 = sin$1(phi1), + cosPhi1 = cos$1(phi1), + delta = lambda1 - lambda0, + sign$$1 = delta >= 0 ? 1 : -1, + absDelta = sign$$1 * delta, + antimeridian = absDelta > pi$4, + k = sinPhi0 * sinPhi1; + + sum$2.add(atan2(k * sign$$1 * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); + angle += antimeridian ? delta + sign$$1 * tau$4 : delta; + + // Are the longitudes either side of the point’s meridian (lambda), + // and are the latitudes smaller than the parallel (phi)? + if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) { + var arc = cartesianCross(cartesian(point0), cartesian(point1)); + cartesianNormalizeInPlace(arc); + var intersection = cartesianCross(normal, arc); + cartesianNormalizeInPlace(intersection); + var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin$1(intersection[2]); + if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) { + winding += antimeridian ^ delta >= 0 ? 1 : -1; + } + } + } + } + + // First, determine whether the South pole is inside or outside: + // + // It is inside if: + // * the polygon winds around it in a clockwise direction. + // * the polygon does not (cumulatively) wind around it, but has a negative + // (counter-clockwise) area. + // + // Second, count the (signed) number of times a segment crosses a lambda + // from the point to the South pole. If it is zero, then the point is the + // same side as the South pole. + + return (angle < -epsilon$4 || angle < epsilon$4 && sum$2 < -epsilon$4) ^ (winding & 1); +} + +var clip = function(pointVisible, clipLine, interpolate, start) { + return function(rotate, sink) { + var line = clipLine(sink), + rotatedStart = rotate.invert(start[0], start[1]), + ringBuffer = clipBuffer(), + ringSink = clipLine(ringBuffer), + polygonStarted = false, + polygon, + segments, + ring; + + var clip = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + clip.point = pointRing; + clip.lineStart = ringStart; + clip.lineEnd = ringEnd; + segments = []; + polygon = []; + }, + polygonEnd: function() { clip.point = point; - line.lineEnd(); + clip.lineStart = lineStart; + clip.lineEnd = lineEnd; + segments = merge(segments); + var startInside = polygonContains(polygon, rotatedStart); + if (segments.length) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + clipPolygon(segments, compareIntersection, startInside, interpolate, sink); + } else if (startInside) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); + } + if (polygonStarted) sink.polygonEnd(), polygonStarted = false; + segments = polygon = null; + }, + sphere: function() { + sink.polygonStart(); + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); + sink.polygonEnd(); } + }; - function pointRing(lambda, phi) { - ring.push([lambda, phi]); - var point = rotate(lambda, phi); - ringSink.point(point[0], point[1]); - } + function point(lambda, phi) { + var point = rotate(lambda, phi); + if (pointVisible(lambda = point[0], phi = point[1])) sink.point(lambda, phi); + } - function ringStart() { - ringSink.lineStart(); - ring = []; - } + function pointLine(lambda, phi) { + var point = rotate(lambda, phi); + line.point(point[0], point[1]); + } - function ringEnd() { - pointRing(ring[0][0], ring[0][1]); - ringSink.lineEnd(); + function lineStart() { + clip.point = pointLine; + line.lineStart(); + } - var clean = ringSink.clean(), - ringSegments = ringBuffer.result(), - i, n = ringSegments.length, m, - segment, - point; + function lineEnd() { + clip.point = point; + line.lineEnd(); + } - ring.pop(); - polygon.push(ring); - ring = null; + function pointRing(lambda, phi) { + ring.push([lambda, phi]); + var point = rotate(lambda, phi); + ringSink.point(point[0], point[1]); + } - if (!n) return; + function ringStart() { + ringSink.lineStart(); + ring = []; + } - // No intersections. - if (clean & 1) { - segment = ringSegments[0]; - if ((m = segment.length - 1) > 0) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); - sink.lineEnd(); - } - return; - } + function ringEnd() { + pointRing(ring[0][0], ring[0][1]); + ringSink.lineEnd(); - // Rejoin connected segments. - // TODO reuse ringBuffer.rejoin()? - if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); + var clean = ringSink.clean(), + ringSegments = ringBuffer.result(), + i, n = ringSegments.length, m, + segment, + point; - segments.push(ringSegments.filter(validSegment)); - } + ring.pop(); + polygon.push(ring); + ring = null; - return clip; - }; - } + if (!n) return; - function validSegment(segment) { - return segment.length > 1; - } + // No intersections. + if (clean & 1) { + segment = ringSegments[0]; + if ((m = segment.length - 1) > 0) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); + sink.lineEnd(); + } + return; + } - // Intersections are sorted along the clip edge. For both antimeridian cutting - // and circle clipping, the same comparison is used. - function compareIntersection(a, b) { - return ((a = a.x)[0] < 0 ? a[1] - halfPi$3 - epsilon$4 : halfPi$3 - a[1]) - - ((b = b.x)[0] < 0 ? b[1] - halfPi$3 - epsilon$4 : halfPi$3 - b[1]); - } + // Rejoin connected segments. + // TODO reuse ringBuffer.rejoin()? + if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); - var clipAntimeridian = clip( - function() { return true; }, - clipAntimeridianLine, - clipAntimeridianInterpolate, - [-pi$4, -halfPi$3] - ); + segments.push(ringSegments.filter(validSegment)); + } - // Takes a line and cuts into visible segments. Return values: 0 - there were - // intersections or the line was empty; 1 - no intersections; 2 - there were - // intersections, and the first and last segments should be rejoined. - function clipAntimeridianLine(stream) { - var lambda0 = NaN, - phi0 = NaN, - sign0 = NaN, + return clip; + }; +} + +function validSegment(segment) { + return segment.length > 1; +} + +// Intersections are sorted along the clip edge. For both antimeridian cutting +// and circle clipping, the same comparison is used. +function compareIntersection(a, b) { + return ((a = a.x)[0] < 0 ? a[1] - halfPi$3 - epsilon$4 : halfPi$3 - a[1]) + - ((b = b.x)[0] < 0 ? b[1] - halfPi$3 - epsilon$4 : halfPi$3 - b[1]); +} + +var clipAntimeridian = clip( + function() { return true; }, + clipAntimeridianLine, + clipAntimeridianInterpolate, + [-pi$4, -halfPi$3] +); + +// Takes a line and cuts into visible segments. Return values: 0 - there were +// intersections or the line was empty; 1 - no intersections; 2 - there were +// intersections, and the first and last segments should be rejoined. +function clipAntimeridianLine(stream) { + var lambda0 = NaN, + phi0 = NaN, + sign0 = NaN, + clean; // no intersections + + return { + lineStart: function() { + stream.lineStart(); + clean = 1; + }, + point: function(lambda1, phi1) { + var sign1 = lambda1 > 0 ? pi$4 : -pi$4, + delta = abs(lambda1 - lambda0); + if (abs(delta - pi$4) < epsilon$4) { // line crosses a pole + stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$3 : -halfPi$3); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + stream.point(lambda1, phi0); + clean = 0; + } else if (sign0 !== sign1 && delta >= pi$4) { // line crosses antimeridian + if (abs(lambda0 - sign0) < epsilon$4) lambda0 -= sign0 * epsilon$4; // handle degeneracies + if (abs(lambda1 - sign1) < epsilon$4) lambda1 -= sign1 * epsilon$4; + phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + clean = 0; + } + stream.point(lambda0 = lambda1, phi0 = phi1); + sign0 = sign1; + }, + lineEnd: function() { + stream.lineEnd(); + lambda0 = phi0 = NaN; + }, + clean: function() { + return 2 - clean; // if intersections, rejoin first and last segments + } + }; +} + +function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { + var cosPhi0, + cosPhi1, + sinLambda0Lambda1 = sin$1(lambda0 - lambda1); + return abs(sinLambda0Lambda1) > epsilon$4 + ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) + - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) + / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) + : (phi0 + phi1) / 2; +} + +function clipAntimeridianInterpolate(from, to, direction, stream) { + var phi; + if (from == null) { + phi = direction * halfPi$3; + stream.point(-pi$4, phi); + stream.point(0, phi); + stream.point(pi$4, phi); + stream.point(pi$4, 0); + stream.point(pi$4, -phi); + stream.point(0, -phi); + stream.point(-pi$4, -phi); + stream.point(-pi$4, 0); + stream.point(-pi$4, phi); + } else if (abs(from[0] - to[0]) > epsilon$4) { + var lambda = from[0] < to[0] ? pi$4 : -pi$4; + phi = direction * lambda / 2; + stream.point(-lambda, phi); + stream.point(0, phi); + stream.point(lambda, phi); + } else { + stream.point(to[0], to[1]); + } +} + +var clipCircle = function(radius, delta) { + var cr = cos$1(radius), + smallRadius = cr > 0, + notHemisphere = abs(cr) > epsilon$4; // TODO optimise for this common case + + function interpolate(from, to, direction, stream) { + circleStream(stream, radius, delta, direction, from, to); + } + + function visible(lambda, phi) { + return cos$1(lambda) * cos$1(phi) > cr; + } + + // Takes a line and cuts into visible segments. Return values used for polygon + // clipping: 0 - there were intersections or the line was empty; 1 - no + // intersections 2 - there were intersections, and the first and last segments + // should be rejoined. + function clipLine(stream) { + var point0, // previous point + c0, // code for previous point + v0, // visibility of previous point + v00, // visibility of first point clean; // no intersections - return { lineStart: function() { - stream.lineStart(); + v00 = v0 = false; clean = 1; }, - point: function(lambda1, phi1) { - var sign1 = lambda1 > 0 ? pi$4 : -pi$4, - delta = abs(lambda1 - lambda0); - if (abs(delta - pi$4) < epsilon$4) { // line crosses a pole - stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$3 : -halfPi$3); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - stream.point(lambda1, phi0); - clean = 0; - } else if (sign0 !== sign1 && delta >= pi$4) { // line crosses antimeridian - if (abs(lambda0 - sign0) < epsilon$4) lambda0 -= sign0 * epsilon$4; // handle degeneracies - if (abs(lambda1 - sign1) < epsilon$4) lambda1 -= sign1 * epsilon$4; - phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - clean = 0; + point: function(lambda, phi) { + var point1 = [lambda, phi], + point2, + v = visible(lambda, phi), + c = smallRadius + ? v ? 0 : code(lambda, phi) + : v ? code(lambda + (lambda < 0 ? pi$4 : -pi$4), phi) : 0; + if (!point0 && (v00 = v0 = v)) stream.lineStart(); + // Handle degeneracies. + // TODO ignore if not clipping polygons. + if (v !== v0) { + point2 = intersect(point0, point1); + if (pointEqual(point0, point2) || pointEqual(point1, point2)) { + point1[0] += epsilon$4; + point1[1] += epsilon$4; + v = visible(point1[0], point1[1]); + } } - stream.point(lambda0 = lambda1, phi0 = phi1); - sign0 = sign1; - }, - lineEnd: function() { - stream.lineEnd(); - lambda0 = phi0 = NaN; - }, - clean: function() { - return 2 - clean; // if intersections, rejoin first and last segments - } - }; - } - - function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { - var cosPhi0, - cosPhi1, - sinLambda0Lambda1 = sin$1(lambda0 - lambda1); - return abs(sinLambda0Lambda1) > epsilon$4 - ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) - - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) - / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) - : (phi0 + phi1) / 2; - } - - function clipAntimeridianInterpolate(from, to, direction, stream) { - var phi; - if (from == null) { - phi = direction * halfPi$3; - stream.point(-pi$4, phi); - stream.point(0, phi); - stream.point(pi$4, phi); - stream.point(pi$4, 0); - stream.point(pi$4, -phi); - stream.point(0, -phi); - stream.point(-pi$4, -phi); - stream.point(-pi$4, 0); - stream.point(-pi$4, phi); - } else if (abs(from[0] - to[0]) > epsilon$4) { - var lambda = from[0] < to[0] ? pi$4 : -pi$4; - phi = direction * lambda / 2; - stream.point(-lambda, phi); - stream.point(0, phi); - stream.point(lambda, phi); - } else { - stream.point(to[0], to[1]); - } - } - - function clipCircle(radius, delta) { - var cr = cos$1(radius), - smallRadius = cr > 0, - notHemisphere = abs(cr) > epsilon$4; // TODO optimise for this common case - - function interpolate(from, to, direction, stream) { - circleStream(stream, radius, delta, direction, from, to); - } - - function visible(lambda, phi) { - return cos$1(lambda) * cos$1(phi) > cr; - } - - // Takes a line and cuts into visible segments. Return values used for polygon - // clipping: 0 - there were intersections or the line was empty; 1 - no - // intersections 2 - there were intersections, and the first and last segments - // should be rejoined. - function clipLine(stream) { - var point0, // previous point - c0, // code for previous point - v0, // visibility of previous point - v00, // visibility of first point - clean; // no intersections - return { - lineStart: function() { - v00 = v0 = false; - clean = 1; - }, - point: function(lambda, phi) { - var point1 = [lambda, phi], - point2, - v = visible(lambda, phi), - c = smallRadius - ? v ? 0 : code(lambda, phi) - : v ? code(lambda + (lambda < 0 ? pi$4 : -pi$4), phi) : 0; - if (!point0 && (v00 = v0 = v)) stream.lineStart(); - // Handle degeneracies. - // TODO ignore if not clipping polygons. - if (v !== v0) { + if (v !== v0) { + clean = 0; + if (v) { + // outside going in + stream.lineStart(); + point2 = intersect(point1, point0); + stream.point(point2[0], point2[1]); + } else { + // inside going out point2 = intersect(point0, point1); - if (pointEqual(point0, point2) || pointEqual(point1, point2)) { - point1[0] += epsilon$4; - point1[1] += epsilon$4; - v = visible(point1[0], point1[1]); - } + stream.point(point2[0], point2[1]); + stream.lineEnd(); } - if (v !== v0) { + point0 = point2; + } else if (notHemisphere && point0 && smallRadius ^ v) { + var t; + // If the codes for two points are different, or are both zero, + // and there this segment intersects with the small circle. + if (!(c & c0) && (t = intersect(point1, point0, true))) { clean = 0; - if (v) { - // outside going in + if (smallRadius) { stream.lineStart(); - point2 = intersect(point1, point0); - stream.point(point2[0], point2[1]); + stream.point(t[0][0], t[0][1]); + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); } else { - // inside going out - point2 = intersect(point0, point1); - stream.point(point2[0], point2[1]); + stream.point(t[1][0], t[1][1]); stream.lineEnd(); - } - point0 = point2; - } else if (notHemisphere && point0 && smallRadius ^ v) { - var t; - // If the codes for two points are different, or are both zero, - // and there this segment intersects with the small circle. - if (!(c & c0) && (t = intersect(point1, point0, true))) { - clean = 0; - if (smallRadius) { - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - } else { - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - } + stream.lineStart(); + stream.point(t[0][0], t[0][1]); } } - if (v && (!point0 || !pointEqual(point0, point1))) { - stream.point(point1[0], point1[1]); - } - point0 = point1, v0 = v, c0 = c; - }, - lineEnd: function() { - if (v0) stream.lineEnd(); - point0 = null; - }, - // Rejoin first and last segments if there were intersections and the first - // and last points were visible. - clean: function() { - return clean | ((v00 && v0) << 1); } - }; - } - - // Intersects the great circle between a and b with the clip circle. - function intersect(a, b, two) { - var pa = cartesian(a), - pb = cartesian(b); + if (v && (!point0 || !pointEqual(point0, point1))) { + stream.point(point1[0], point1[1]); + } + point0 = point1, v0 = v, c0 = c; + }, + lineEnd: function() { + if (v0) stream.lineEnd(); + point0 = null; + }, + // Rejoin first and last segments if there were intersections and the first + // and last points were visible. + clean: function() { + return clean | ((v00 && v0) << 1); + } + }; + } - // We have two planes, n1.p = d1 and n2.p = d2. - // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). - var n1 = [1, 0, 0], // normal - n2 = cartesianCross(pa, pb), - n2n2 = cartesianDot(n2, n2), - n1n2 = n2[0], // cartesianDot(n1, n2), - determinant = n2n2 - n1n2 * n1n2; + // Intersects the great circle between a and b with the clip circle. + function intersect(a, b, two) { + var pa = cartesian(a), + pb = cartesian(b); - // Two polar points. - if (!determinant) return !two && a; + // We have two planes, n1.p = d1 and n2.p = d2. + // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). + var n1 = [1, 0, 0], // normal + n2 = cartesianCross(pa, pb), + n2n2 = cartesianDot(n2, n2), + n1n2 = n2[0], // cartesianDot(n1, n2), + determinant = n2n2 - n1n2 * n1n2; - var c1 = cr * n2n2 / determinant, - c2 = -cr * n1n2 / determinant, - n1xn2 = cartesianCross(n1, n2), - A = cartesianScale(n1, c1), - B = cartesianScale(n2, c2); - cartesianAddInPlace(A, B); + // Two polar points. + if (!determinant) return !two && a; - // Solve |p(t)|^2 = 1. - var u = n1xn2, - w = cartesianDot(A, u), - uu = cartesianDot(u, u), - t2 = w * w - uu * (cartesianDot(A, A) - 1); + var c1 = cr * n2n2 / determinant, + c2 = -cr * n1n2 / determinant, + n1xn2 = cartesianCross(n1, n2), + A = cartesianScale(n1, c1), + B = cartesianScale(n2, c2); + cartesianAddInPlace(A, B); - if (t2 < 0) return; + // Solve |p(t)|^2 = 1. + var u = n1xn2, + w = cartesianDot(A, u), + uu = cartesianDot(u, u), + t2 = w * w - uu * (cartesianDot(A, A) - 1); - var t = sqrt$1(t2), - q = cartesianScale(u, (-w - t) / uu); - cartesianAddInPlace(q, A); - q = spherical(q); + if (t2 < 0) return; - if (!two) return q; + var t = sqrt$1(t2), + q = cartesianScale(u, (-w - t) / uu); + cartesianAddInPlace(q, A); + q = spherical(q); - // Two intersection points. - var lambda0 = a[0], - lambda1 = b[0], - phi0 = a[1], - phi1 = b[1], - z; + if (!two) return q; - if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; + // Two intersection points. + var lambda0 = a[0], + lambda1 = b[0], + phi0 = a[1], + phi1 = b[1], + z; - var delta = lambda1 - lambda0, - polar = abs(delta - pi$4) < epsilon$4, - meridian = polar || delta < epsilon$4; + if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; - if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; + var delta = lambda1 - lambda0, + polar = abs(delta - pi$4) < epsilon$4, + meridian = polar || delta < epsilon$4; - // Check that the first point is between a and b. - if (meridian - ? polar - ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$4 ? phi0 : phi1) - : phi0 <= q[1] && q[1] <= phi1 - : delta > pi$4 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { - var q1 = cartesianScale(u, (-w + t) / uu); - cartesianAddInPlace(q1, A); - return [q, spherical(q1)]; - } - } + if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; - // Generates a 4-bit vector representing the location of a point relative to - // the small circle's bounding box. - function code(lambda, phi) { - var r = smallRadius ? radius : pi$4 - radius, - code = 0; - if (lambda < -r) code |= 1; // left - else if (lambda > r) code |= 2; // right - if (phi < -r) code |= 4; // below - else if (phi > r) code |= 8; // above - return code; + // Check that the first point is between a and b. + if (meridian + ? polar + ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$4 ? phi0 : phi1) + : phi0 <= q[1] && q[1] <= phi1 + : delta > pi$4 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { + var q1 = cartesianScale(u, (-w + t) / uu); + cartesianAddInPlace(q1, A); + return [q, spherical(q1)]; } - - return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$4, radius - pi$4]); - } - - function transform$1(prototype) { - return { - stream: transform$2(prototype) - }; } - function transform$2(prototype) { - function T() {} - var p = T.prototype = Object.create(Transform$1.prototype); - for (var k in prototype) p[k] = prototype[k]; - return function(stream) { - var t = new T; - t.stream = stream; - return t; - }; + // Generates a 4-bit vector representing the location of a point relative to + // the small circle's bounding box. + function code(lambda, phi) { + var r = smallRadius ? radius : pi$4 - radius, + code = 0; + if (lambda < -r) code |= 1; // left + else if (lambda > r) code |= 2; // right + if (phi < -r) code |= 4; // below + else if (phi > r) code |= 8; // above + return code; } - function Transform$1() {} + return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$4, radius - pi$4]); +} - Transform$1.prototype = { - point: function(x, y) { this.stream.point(x, y); }, - sphere: function() { this.stream.sphere(); }, - lineStart: function() { this.stream.lineStart(); }, - lineEnd: function() { this.stream.lineEnd(); }, - polygonStart: function() { this.stream.polygonStart(); }, - polygonEnd: function() { this.stream.polygonEnd(); } +var transform$1 = function(prototype) { + return { + stream: transform$2(prototype) }; +} + +function transform$2(prototype) { + function T() {} + var p = T.prototype = Object.create(Transform$1.prototype); + for (var k in prototype) p[k] = prototype[k]; + return function(stream) { + var t = new T; + t.stream = stream; + return t; + }; +} - function fit(project, extent, object) { - var w = extent[1][0] - extent[0][0], - h = extent[1][1] - extent[0][1], - clip = project.clipExtent && project.clipExtent(); - - project - .scale(150) - .translate([0, 0]); - - if (clip != null) project.clipExtent(null); - - geoStream(object, project.stream(boundsStream$1)); - - var b = boundsStream$1.result(), - k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), - x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, - y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; - - if (clip != null) project.clipExtent(clip); - - return project - .scale(k * 150) - .translate([x, y]); - } - - function fitSize(project) { - return function(size, object) { - return fit(project, [[0, 0], size], object); - }; - } - - function fitExtent(project) { - return function(extent, object) { - return fit(project, extent, object); - }; - } - - var maxDepth = 16; - var cosMinDistance = cos$1(30 * radians); - // cos(minimum angular distance) - - function resample(project, delta2) { - return +delta2 ? resample$1(project, delta2) : resampleNone(project); - } +function Transform$1() {} - function resampleNone(project) { - return transform$2({ - point: function(x, y) { - x = project(x, y); - this.stream.point(x[0], x[1]); - } - }); - } +Transform$1.prototype = { + point: function(x, y) { this.stream.point(x, y); }, + sphere: function() { this.stream.sphere(); }, + lineStart: function() { this.stream.lineStart(); }, + lineEnd: function() { this.stream.lineEnd(); }, + polygonStart: function() { this.stream.polygonStart(); }, + polygonEnd: function() { this.stream.polygonEnd(); } +}; - function resample$1(project, delta2) { +function fit(project, extent, object) { + var w = extent[1][0] - extent[0][0], + h = extent[1][1] - extent[0][1], + clip = project.clipExtent && project.clipExtent(); - function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) { - var dx = x1 - x0, - dy = y1 - y0, - d2 = dx * dx + dy * dy; - if (d2 > 4 * delta2 && depth--) { - var a = a0 + a1, - b = b0 + b1, - c = c0 + c1, - m = sqrt$1(a * a + b * b + c * c), - phi2 = asin$1(c /= m), - lambda2 = abs(abs(c) - 1) < epsilon$4 || abs(lambda0 - lambda1) < epsilon$4 ? (lambda0 + lambda1) / 2 : atan2(b, a), - p = project(lambda2, phi2), - x2 = p[0], - y2 = p[1], - dx2 = x2 - x0, - dy2 = y2 - y0, - dz = dy * dx2 - dx * dy2; - if (dz * dz / d2 > delta2 // perpendicular projected distance - || abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end - || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream); - stream.point(x2, y2); - resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream); - } - } - } - return function(stream) { - var lambda00, x00, y00, a00, b00, c00, // first point - lambda0, x0, y0, a0, b0, c0; // previous point + project + .scale(150) + .translate([0, 0]); - var resampleStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; }, - polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; } - }; + if (clip != null) project.clipExtent(null); - function point(x, y) { - x = project(x, y); - stream.point(x[0], x[1]); - } + geoStream(object, project.stream(boundsStream$1)); - function lineStart() { - x0 = NaN; - resampleStream.point = linePoint; - stream.lineStart(); - } + var b = boundsStream$1.result(), + k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), + x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, + y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; - function linePoint(lambda, phi) { - var c = cartesian([lambda, phi]), p = project(lambda, phi); - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); - stream.point(x0, y0); - } + if (clip != null) project.clipExtent(clip); - function lineEnd() { - resampleStream.point = point; - stream.lineEnd(); - } + return project + .scale(k * 150) + .translate([x, y]); +} - function ringStart() { - lineStart(); - resampleStream.point = ringPoint; - resampleStream.lineEnd = ringEnd; - } +function fitSize(project) { + return function(size, object) { + return fit(project, [[0, 0], size], object); + }; +} - function ringPoint(lambda, phi) { - linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; - resampleStream.point = linePoint; - } +function fitExtent(project) { + return function(extent, object) { + return fit(project, extent, object); + }; +} - function ringEnd() { - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream); - resampleStream.lineEnd = lineEnd; - lineEnd(); - } +var maxDepth = 16; +var cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) - return resampleStream; - }; - } +var resample = function(project, delta2) { + return +delta2 ? resample$1(project, delta2) : resampleNone(project); +} - var transformRadians = transform$2({ +function resampleNone(project) { + return transform$2({ point: function(x, y) { - this.stream.point(x * radians, y * radians); + x = project(x, y); + this.stream.point(x[0], x[1]); } }); +} + +function resample$1(project, delta2) { + + function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) { + var dx = x1 - x0, + dy = y1 - y0, + d2 = dx * dx + dy * dy; + if (d2 > 4 * delta2 && depth--) { + var a = a0 + a1, + b = b0 + b1, + c = c0 + c1, + m = sqrt$1(a * a + b * b + c * c), + phi2 = asin$1(c /= m), + lambda2 = abs(abs(c) - 1) < epsilon$4 || abs(lambda0 - lambda1) < epsilon$4 ? (lambda0 + lambda1) / 2 : atan2(b, a), + p = project(lambda2, phi2), + x2 = p[0], + y2 = p[1], + dx2 = x2 - x0, + dy2 = y2 - y0, + dz = dy * dx2 - dx * dy2; + if (dz * dz / d2 > delta2 // perpendicular projected distance + || abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end + || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream); + stream.point(x2, y2); + resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream); + } + } + } + return function(stream) { + var lambda00, x00, y00, a00, b00, c00, // first point + lambda0, x0, y0, a0, b0, c0; // previous point + + var resampleStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; }, + polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; } + }; - function projection(project) { - return projectionMutator(function() { return project; })(); - } - - function projectionMutator(projectAt) { - var project, - k = 150, // scale - x = 480, y = 250, // translate - dx, dy, lambda = 0, phi = 0, // center - deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, projectRotate, // rotate - theta = null, preclip = clipAntimeridian, // clip angle - x0 = null, y0, x1, y1, postclip = identity$7, // clip extent - delta2 = 0.5, projectResample = resample(projectTransform, delta2), // precision - cache, - cacheStream; - - function projection(point) { - point = projectRotate(point[0] * radians, point[1] * radians); - return [point[0] * k + dx, dy - point[1] * k]; + function point(x, y) { + x = project(x, y); + stream.point(x[0], x[1]); } - function invert(point) { - point = projectRotate.invert((point[0] - dx) / k, (dy - point[1]) / k); - return point && [point[0] * degrees$1, point[1] * degrees$1]; + function lineStart() { + x0 = NaN; + resampleStream.point = linePoint; + stream.lineStart(); } - function projectTransform(x, y) { - return x = project(x, y), [x[0] * k + dx, dy - x[1] * k]; + function linePoint(lambda, phi) { + var c = cartesian([lambda, phi]), p = project(lambda, phi); + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); + stream.point(x0, y0); } - projection.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = transformRadians(preclip(rotate, projectResample(postclip(cacheStream = stream)))); - }; - - projection.clipAngle = function(_) { - return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians, 6 * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1; - }; - - projection.clipExtent = function(_) { - return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$7) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; - }; - - projection.scale = function(_) { - return arguments.length ? (k = +_, recenter()) : k; - }; - - projection.translate = function(_) { - return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y]; - }; - - projection.center = function(_) { - return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees$1, phi * degrees$1]; - }; - - projection.rotate = function(_) { - return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees$1, deltaPhi * degrees$1, deltaGamma * degrees$1]; - }; - - projection.precision = function(_) { - return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt$1(delta2); - }; - - projection.fitExtent = fitExtent(projection); - - projection.fitSize = fitSize(projection); - - function recenter() { - projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); - var center = project(lambda, phi); - dx = x - center[0] * k; - dy = y + center[1] * k; - return reset(); + function lineEnd() { + resampleStream.point = point; + stream.lineEnd(); } - function reset() { - cache = cacheStream = null; - return projection; + function ringStart() { + lineStart(); + resampleStream.point = ringPoint; + resampleStream.lineEnd = ringEnd; } - return function() { - project = projectAt.apply(this, arguments); - projection.invert = project.invert && invert; - return recenter(); - }; - } + function ringPoint(lambda, phi) { + linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; + resampleStream.point = linePoint; + } - function conicProjection(projectAt) { - var phi0 = 0, - phi1 = pi$4 / 3, - m = projectionMutator(projectAt), - p = m(phi0, phi1); + function ringEnd() { + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream); + resampleStream.lineEnd = lineEnd; + lineEnd(); + } - p.parallels = function(_) { - return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees$1, phi1 * degrees$1]; - }; + return resampleStream; + }; +} - return p; +var transformRadians = transform$2({ + point: function(x, y) { + this.stream.point(x * radians, y * radians); } +}); - function conicEqualAreaRaw(y0, y1) { - var sy0 = sin$1(y0), - n = (sy0 + sin$1(y1)) / 2, - c = 1 + sy0 * (2 * n - sy0), - r0 = sqrt$1(c) / n; - - function project(x, y) { - var r = sqrt$1(c - 2 * n * sin$1(y)) / n; - return [r * sin$1(x *= n), r0 - r * cos$1(x)]; - } - - project.invert = function(x, y) { - var r0y = r0 - y; - return [atan2(x, r0y) / n, asin$1((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; - }; +function projection(project) { + return projectionMutator(function() { return project; })(); +} - return project; - } +function projectionMutator(projectAt) { + var project, + k = 150, // scale + x = 480, y = 250, // translate + dx, dy, lambda = 0, phi = 0, // center + deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, projectRotate, // rotate + theta = null, preclip = clipAntimeridian, // clip angle + x0 = null, y0, x1, y1, postclip = identity$7, // clip extent + delta2 = 0.5, projectResample = resample(projectTransform, delta2), // precision + cache, + cacheStream; - function conicEqualArea() { - return conicProjection(conicEqualAreaRaw) - .scale(155.424) - .center([0, 33.6442]); + function projection(point) { + point = projectRotate(point[0] * radians, point[1] * radians); + return [point[0] * k + dx, dy - point[1] * k]; } - function albers() { - return conicEqualArea() - .parallels([29.5, 45.5]) - .scale(1070) - .translate([480, 250]) - .rotate([96, 0]) - .center([-0.6, 38.7]); + function invert(point) { + point = projectRotate.invert((point[0] - dx) / k, (dy - point[1]) / k); + return point && [point[0] * degrees$1, point[1] * degrees$1]; } - // The projections must have mutually exclusive clip regions on the sphere, - // as this will avoid emitting interleaving lines and polygons. - function multiplex(streams) { - var n = streams.length; - return { - point: function(x, y) { var i = -1; while (++i < n) streams[i].point(x, y); }, - sphere: function() { var i = -1; while (++i < n) streams[i].sphere(); }, - lineStart: function() { var i = -1; while (++i < n) streams[i].lineStart(); }, - lineEnd: function() { var i = -1; while (++i < n) streams[i].lineEnd(); }, - polygonStart: function() { var i = -1; while (++i < n) streams[i].polygonStart(); }, - polygonEnd: function() { var i = -1; while (++i < n) streams[i].polygonEnd(); } - }; + function projectTransform(x, y) { + return x = project(x, y), [x[0] * k + dx, dy - x[1] * k]; } - // A composite projection for the United States, configured by default for - // 960×500. The projection also works quite well at 960×600 if you change the - // scale to 1285 and adjust the translate accordingly. The set of standard - // parallels for each region comes from USGS, which is published here: - // http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers - function albersUsa() { - var cache, - cacheStream, - lower48 = albers(), lower48Point, - alaska = conicEqualArea().rotate([154, 0]).center([-2, 58.5]).parallels([55, 65]), alaskaPoint, // EPSG:3338 - hawaii = conicEqualArea().rotate([157, 0]).center([-3, 19.9]).parallels([8, 18]), hawaiiPoint, // ESRI:102007 - point, pointStream = {point: function(x, y) { point = [x, y]; }}; - - function albersUsa(coordinates) { - var x = coordinates[0], y = coordinates[1]; - return point = null, - (lower48Point.point(x, y), point) - || (alaskaPoint.point(x, y), point) - || (hawaiiPoint.point(x, y), point); - } - - albersUsa.invert = function(coordinates) { - var k = lower48.scale(), - t = lower48.translate(), - x = (coordinates[0] - t[0]) / k, - y = (coordinates[1] - t[1]) / k; - return (y >= 0.120 && y < 0.234 && x >= -0.425 && x < -0.214 ? alaska - : y >= 0.166 && y < 0.234 && x >= -0.214 && x < -0.115 ? hawaii - : lower48).invert(coordinates); - }; - - albersUsa.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = multiplex([lower48.stream(cacheStream = stream), alaska.stream(stream), hawaii.stream(stream)]); - }; - - albersUsa.precision = function(_) { - if (!arguments.length) return lower48.precision(); - lower48.precision(_), alaska.precision(_), hawaii.precision(_); - return albersUsa; - }; + projection.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = transformRadians(preclip(rotate, projectResample(postclip(cacheStream = stream)))); + }; - albersUsa.scale = function(_) { - if (!arguments.length) return lower48.scale(); - lower48.scale(_), alaska.scale(_ * 0.35), hawaii.scale(_); - return albersUsa.translate(lower48.translate()); - }; + projection.clipAngle = function(_) { + return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians, 6 * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1; + }; - albersUsa.translate = function(_) { - if (!arguments.length) return lower48.translate(); - var k = lower48.scale(), x = +_[0], y = +_[1]; + projection.clipExtent = function(_) { + return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$7) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + }; - lower48Point = lower48 - .translate(_) - .clipExtent([[x - 0.455 * k, y - 0.238 * k], [x + 0.455 * k, y + 0.238 * k]]) - .stream(pointStream); + projection.scale = function(_) { + return arguments.length ? (k = +_, recenter()) : k; + }; - alaskaPoint = alaska - .translate([x - 0.307 * k, y + 0.201 * k]) - .clipExtent([[x - 0.425 * k + epsilon$4, y + 0.120 * k + epsilon$4], [x - 0.214 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) - .stream(pointStream); + projection.translate = function(_) { + return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y]; + }; - hawaiiPoint = hawaii - .translate([x - 0.205 * k, y + 0.212 * k]) - .clipExtent([[x - 0.214 * k + epsilon$4, y + 0.166 * k + epsilon$4], [x - 0.115 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) - .stream(pointStream); + projection.center = function(_) { + return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees$1, phi * degrees$1]; + }; - return albersUsa; - }; + projection.rotate = function(_) { + return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees$1, deltaPhi * degrees$1, deltaGamma * degrees$1]; + }; - albersUsa.fitExtent = fitExtent(albersUsa); + projection.precision = function(_) { + return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt$1(delta2); + }; - albersUsa.fitSize = fitSize(albersUsa); + projection.fitExtent = fitExtent(projection); - return albersUsa.scale(1070); - } + projection.fitSize = fitSize(projection); - function azimuthalRaw(scale) { - return function(x, y) { - var cx = cos$1(x), - cy = cos$1(y), - k = scale(cx * cy); - return [ - k * cy * sin$1(x), - k * sin$1(y) - ]; - } + function recenter() { + projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); + var center = project(lambda, phi); + dx = x - center[0] * k; + dy = y + center[1] * k; + return reset(); } - function azimuthalInvert(angle) { - return function(x, y) { - var z = sqrt$1(x * x + y * y), - c = angle(z), - sc = sin$1(c), - cc = cos$1(c); - return [ - atan2(x * sc, z * cc), - asin$1(z && y * sc / z) - ]; - } + function reset() { + cache = cacheStream = null; + return projection; } - var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) { - return sqrt$1(2 / (1 + cxcy)); - }); - - azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) { - return 2 * asin$1(z / 2); - }); + return function() { + project = projectAt.apply(this, arguments); + projection.invert = project.invert && invert; + return recenter(); + }; +} - function azimuthalEqualArea() { - return projection(azimuthalEqualAreaRaw) - .scale(124.75) - .clipAngle(180 - 1e-3); - } +function conicProjection(projectAt) { + var phi0 = 0, + phi1 = pi$4 / 3, + m = projectionMutator(projectAt), + p = m(phi0, phi1); - var azimuthalEquidistantRaw = azimuthalRaw(function(c) { - return (c = acos(c)) && c / sin$1(c); - }); + p.parallels = function(_) { + return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees$1, phi1 * degrees$1]; + }; - azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) { - return z; - }); + return p; +} - function azimuthalEquidistant() { - return projection(azimuthalEquidistantRaw) - .scale(79.4188) - .clipAngle(180 - 1e-3); - } +function conicEqualAreaRaw(y0, y1) { + var sy0 = sin$1(y0), + n = (sy0 + sin$1(y1)) / 2, + c = 1 + sy0 * (2 * n - sy0), + r0 = sqrt$1(c) / n; - function mercatorRaw(lambda, phi) { - return [lambda, log$1(tan((halfPi$3 + phi) / 2))]; + function project(x, y) { + var r = sqrt$1(c - 2 * n * sin$1(y)) / n; + return [r * sin$1(x *= n), r0 - r * cos$1(x)]; } - mercatorRaw.invert = function(x, y) { - return [x, 2 * atan(exp(y)) - halfPi$3]; + project.invert = function(x, y) { + var r0y = r0 - y; + return [atan2(x, r0y) / n, asin$1((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; }; - function mercator() { - return mercatorProjection(mercatorRaw) - .scale(961 / tau$4); - } - - function mercatorProjection(project) { - var m = projection(project), - scale = m.scale, - translate = m.translate, - clipExtent = m.clipExtent, - clipAuto; + return project; +} + +var conicEqualArea = function() { + return conicProjection(conicEqualAreaRaw) + .scale(155.424) + .center([0, 33.6442]); +} + +var albers = function() { + return conicEqualArea() + .parallels([29.5, 45.5]) + .scale(1070) + .translate([480, 250]) + .rotate([96, 0]) + .center([-0.6, 38.7]); +} + +// The projections must have mutually exclusive clip regions on the sphere, +// as this will avoid emitting interleaving lines and polygons. +function multiplex(streams) { + var n = streams.length; + return { + point: function(x, y) { var i = -1; while (++i < n) streams[i].point(x, y); }, + sphere: function() { var i = -1; while (++i < n) streams[i].sphere(); }, + lineStart: function() { var i = -1; while (++i < n) streams[i].lineStart(); }, + lineEnd: function() { var i = -1; while (++i < n) streams[i].lineEnd(); }, + polygonStart: function() { var i = -1; while (++i < n) streams[i].polygonStart(); }, + polygonEnd: function() { var i = -1; while (++i < n) streams[i].polygonEnd(); } + }; +} + +// A composite projection for the United States, configured by default for +// 960×500. The projection also works quite well at 960×600 if you change the +// scale to 1285 and adjust the translate accordingly. The set of standard +// parallels for each region comes from USGS, which is published here: +// http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers +var albersUsa = function() { + var cache, + cacheStream, + lower48 = albers(), lower48Point, + alaska = conicEqualArea().rotate([154, 0]).center([-2, 58.5]).parallels([55, 65]), alaskaPoint, // EPSG:3338 + hawaii = conicEqualArea().rotate([157, 0]).center([-3, 19.9]).parallels([8, 18]), hawaiiPoint, // ESRI:102007 + point, pointStream = {point: function(x, y) { point = [x, y]; }}; + + function albersUsa(coordinates) { + var x = coordinates[0], y = coordinates[1]; + return point = null, + (lower48Point.point(x, y), point) + || (alaskaPoint.point(x, y), point) + || (hawaiiPoint.point(x, y), point); + } + + albersUsa.invert = function(coordinates) { + var k = lower48.scale(), + t = lower48.translate(), + x = (coordinates[0] - t[0]) / k, + y = (coordinates[1] - t[1]) / k; + return (y >= 0.120 && y < 0.234 && x >= -0.425 && x < -0.214 ? alaska + : y >= 0.166 && y < 0.234 && x >= -0.214 && x < -0.115 ? hawaii + : lower48).invert(coordinates); + }; - m.scale = function(_) { - return arguments.length ? (scale(_), clipAuto && m.clipExtent(null), m) : scale(); - }; + albersUsa.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = multiplex([lower48.stream(cacheStream = stream), alaska.stream(stream), hawaii.stream(stream)]); + }; - m.translate = function(_) { - return arguments.length ? (translate(_), clipAuto && m.clipExtent(null), m) : translate(); - }; + albersUsa.precision = function(_) { + if (!arguments.length) return lower48.precision(); + lower48.precision(_), alaska.precision(_), hawaii.precision(_); + return albersUsa; + }; - m.clipExtent = function(_) { - if (!arguments.length) return clipAuto ? null : clipExtent(); - if (clipAuto = _ == null) { - var k = pi$4 * scale(), - t = translate(); - _ = [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]]; - } - clipExtent(_); - return m; - }; + albersUsa.scale = function(_) { + if (!arguments.length) return lower48.scale(); + lower48.scale(_), alaska.scale(_ * 0.35), hawaii.scale(_); + return albersUsa.translate(lower48.translate()); + }; - return m.clipExtent(null); - } + albersUsa.translate = function(_) { + if (!arguments.length) return lower48.translate(); + var k = lower48.scale(), x = +_[0], y = +_[1]; - function tany(y) { - return tan((halfPi$3 + y) / 2); - } + lower48Point = lower48 + .translate(_) + .clipExtent([[x - 0.455 * k, y - 0.238 * k], [x + 0.455 * k, y + 0.238 * k]]) + .stream(pointStream); - function conicConformalRaw(y0, y1) { - var cy0 = cos$1(y0), - n = y0 === y1 ? sin$1(y0) : log$1(cy0 / cos$1(y1)) / log$1(tany(y1) / tany(y0)), - f = cy0 * pow$1(tany(y0), n) / n; + alaskaPoint = alaska + .translate([x - 0.307 * k, y + 0.201 * k]) + .clipExtent([[x - 0.425 * k + epsilon$4, y + 0.120 * k + epsilon$4], [x - 0.214 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) + .stream(pointStream); - if (!n) return mercatorRaw; + hawaiiPoint = hawaii + .translate([x - 0.205 * k, y + 0.212 * k]) + .clipExtent([[x - 0.214 * k + epsilon$4, y + 0.166 * k + epsilon$4], [x - 0.115 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) + .stream(pointStream); - function project(x, y) { - if (f > 0) { if (y < -halfPi$3 + epsilon$4) y = -halfPi$3 + epsilon$4; } - else { if (y > halfPi$3 - epsilon$4) y = halfPi$3 - epsilon$4; } - var r = f / pow$1(tany(y), n); - return [r * sin$1(n * x), f - r * cos$1(n * x)]; - } + return albersUsa; + }; - project.invert = function(x, y) { - var fy = f - y, r = sign$1(n) * sqrt$1(x * x + fy * fy); - return [atan2(x, fy) / n, 2 * atan(pow$1(f / r, 1 / n)) - halfPi$3]; - }; + albersUsa.fitExtent = fitExtent(albersUsa); - return project; - } + albersUsa.fitSize = fitSize(albersUsa); - function conicConformal() { - return conicProjection(conicConformalRaw) - .scale(109.5) - .parallels([30, 30]); - } + return albersUsa.scale(1070); +} - function equirectangularRaw(lambda, phi) { - return [lambda, phi]; +function azimuthalRaw(scale) { + return function(x, y) { + var cx = cos$1(x), + cy = cos$1(y), + k = scale(cx * cy); + return [ + k * cy * sin$1(x), + k * sin$1(y) + ]; } +} - equirectangularRaw.invert = equirectangularRaw; - - function equirectangular() { - return projection(equirectangularRaw) - .scale(152.63); +function azimuthalInvert(angle) { + return function(x, y) { + var z = sqrt$1(x * x + y * y), + c = angle(z), + sc = sin$1(c), + cc = cos$1(c); + return [ + atan2(x * sc, z * cc), + asin$1(z && y * sc / z) + ]; } +} + +var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) { + return sqrt$1(2 / (1 + cxcy)); +}); + +azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) { + return 2 * asin$1(z / 2); +}); + +var azimuthalEqualArea = function() { + return projection(azimuthalEqualAreaRaw) + .scale(124.75) + .clipAngle(180 - 1e-3); +} + +var azimuthalEquidistantRaw = azimuthalRaw(function(c) { + return (c = acos(c)) && c / sin$1(c); +}); + +azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) { + return z; +}); + +var azimuthalEquidistant = function() { + return projection(azimuthalEquidistantRaw) + .scale(79.4188) + .clipAngle(180 - 1e-3); +} + +function mercatorRaw(lambda, phi) { + return [lambda, log$1(tan((halfPi$3 + phi) / 2))]; +} + +mercatorRaw.invert = function(x, y) { + return [x, 2 * atan(exp(y)) - halfPi$3]; +}; + +var mercator = function() { + return mercatorProjection(mercatorRaw) + .scale(961 / tau$4); +} + +function mercatorProjection(project) { + var m = projection(project), + scale = m.scale, + translate = m.translate, + clipExtent = m.clipExtent, + clipAuto; + + m.scale = function(_) { + return arguments.length ? (scale(_), clipAuto && m.clipExtent(null), m) : scale(); + }; - function conicEquidistantRaw(y0, y1) { - var cy0 = cos$1(y0), - n = y0 === y1 ? sin$1(y0) : (cy0 - cos$1(y1)) / (y1 - y0), - g = cy0 / n + y0; - - if (abs(n) < epsilon$4) return equirectangularRaw; + m.translate = function(_) { + return arguments.length ? (translate(_), clipAuto && m.clipExtent(null), m) : translate(); + }; - function project(x, y) { - var gy = g - y, nx = n * x; - return [gy * sin$1(nx), g - gy * cos$1(nx)]; + m.clipExtent = function(_) { + if (!arguments.length) return clipAuto ? null : clipExtent(); + if (clipAuto = _ == null) { + var k = pi$4 * scale(), + t = translate(); + _ = [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]]; } + clipExtent(_); + return m; + }; - project.invert = function(x, y) { - var gy = g - y; - return [atan2(x, gy) / n, g - sign$1(n) * sqrt$1(x * x + gy * gy)]; - }; + return m.clipExtent(null); +} - return project; - } +function tany(y) { + return tan((halfPi$3 + y) / 2); +} - function conicEquidistant() { - return conicProjection(conicEquidistantRaw) - .scale(131.154) - .center([0, 13.9389]); - } +function conicConformalRaw(y0, y1) { + var cy0 = cos$1(y0), + n = y0 === y1 ? sin$1(y0) : log$1(cy0 / cos$1(y1)) / log$1(tany(y1) / tany(y0)), + f = cy0 * pow$1(tany(y0), n) / n; + + if (!n) return mercatorRaw; - function gnomonicRaw(x, y) { - var cy = cos$1(y), k = cos$1(x) * cy; - return [cy * sin$1(x) / k, sin$1(y) / k]; + function project(x, y) { + if (f > 0) { if (y < -halfPi$3 + epsilon$4) y = -halfPi$3 + epsilon$4; } + else { if (y > halfPi$3 - epsilon$4) y = halfPi$3 - epsilon$4; } + var r = f / pow$1(tany(y), n); + return [r * sin$1(n * x), f - r * cos$1(n * x)]; } - gnomonicRaw.invert = azimuthalInvert(atan); + project.invert = function(x, y) { + var fy = f - y, r = sign$1(n) * sqrt$1(x * x + fy * fy); + return [atan2(x, fy) / n, 2 * atan(pow$1(f / r, 1 / n)) - halfPi$3]; + }; - function gnomonic() { - return projection(gnomonicRaw) - .scale(144.049) - .clipAngle(60); - } + return project; +} - function orthographicRaw(x, y) { - return [cos$1(y) * sin$1(x), sin$1(y)]; - } +var conicConformal = function() { + return conicProjection(conicConformalRaw) + .scale(109.5) + .parallels([30, 30]); +} - orthographicRaw.invert = azimuthalInvert(asin$1); +function equirectangularRaw(lambda, phi) { + return [lambda, phi]; +} - function orthographic() { - return projection(orthographicRaw) - .scale(249.5) - .clipAngle(90 + epsilon$4); - } +equirectangularRaw.invert = equirectangularRaw; - function stereographicRaw(x, y) { - var cy = cos$1(y), k = 1 + cos$1(x) * cy; - return [cy * sin$1(x) / k, sin$1(y) / k]; - } +var equirectangular = function() { + return projection(equirectangularRaw) + .scale(152.63); +} - stereographicRaw.invert = azimuthalInvert(function(z) { - return 2 * atan(z); - }); +function conicEquidistantRaw(y0, y1) { + var cy0 = cos$1(y0), + n = y0 === y1 ? sin$1(y0) : (cy0 - cos$1(y1)) / (y1 - y0), + g = cy0 / n + y0; - function stereographic() { - return projection(stereographicRaw) - .scale(250) - .clipAngle(142); - } + if (abs(n) < epsilon$4) return equirectangularRaw; - function transverseMercatorRaw(lambda, phi) { - return [log$1(tan((halfPi$3 + phi) / 2)), -lambda]; + function project(x, y) { + var gy = g - y, nx = n * x; + return [gy * sin$1(nx), g - gy * cos$1(nx)]; } - transverseMercatorRaw.invert = function(x, y) { - return [-y, 2 * atan(exp(x)) - halfPi$3]; + project.invert = function(x, y) { + var gy = g - y; + return [atan2(x, gy) / n, g - sign$1(n) * sqrt$1(x * x + gy * gy)]; }; - function transverseMercator() { - var m = mercatorProjection(transverseMercatorRaw), - center = m.center, - rotate = m.rotate; - - m.center = function(_) { - return arguments.length ? center([-_[1], _[0]]) : (_ = center(), [_[1], -_[0]]); - }; + return project; +} + +var conicEquidistant = function() { + return conicProjection(conicEquidistantRaw) + .scale(131.154) + .center([0, 13.9389]); +} + +function gnomonicRaw(x, y) { + var cy = cos$1(y), k = cos$1(x) * cy; + return [cy * sin$1(x) / k, sin$1(y) / k]; +} + +gnomonicRaw.invert = azimuthalInvert(atan); + +var gnomonic = function() { + return projection(gnomonicRaw) + .scale(144.049) + .clipAngle(60); +} + +function orthographicRaw(x, y) { + return [cos$1(y) * sin$1(x), sin$1(y)]; +} + +orthographicRaw.invert = azimuthalInvert(asin$1); + +var orthographic = function() { + return projection(orthographicRaw) + .scale(249.5) + .clipAngle(90 + epsilon$4); +} + +function stereographicRaw(x, y) { + var cy = cos$1(y), k = 1 + cos$1(x) * cy; + return [cy * sin$1(x) / k, sin$1(y) / k]; +} + +stereographicRaw.invert = azimuthalInvert(function(z) { + return 2 * atan(z); +}); + +var stereographic = function() { + return projection(stereographicRaw) + .scale(250) + .clipAngle(142); +} + +function transverseMercatorRaw(lambda, phi) { + return [log$1(tan((halfPi$3 + phi) / 2)), -lambda]; +} + +transverseMercatorRaw.invert = function(x, y) { + return [-y, 2 * atan(exp(x)) - halfPi$3]; +}; + +var transverseMercator = function() { + var m = mercatorProjection(transverseMercatorRaw), + center = m.center, + rotate = m.rotate; + + m.center = function(_) { + return arguments.length ? center([-_[1], _[0]]) : (_ = center(), [_[1], -_[0]]); + }; - m.rotate = function(_) { - return arguments.length ? rotate([_[0], _[1], _.length > 2 ? _[2] + 90 : 90]) : (_ = rotate(), [_[0], _[1], _[2] - 90]); - }; + m.rotate = function(_) { + return arguments.length ? rotate([_[0], _[1], _.length > 2 ? _[2] + 90 : 90]) : (_ = rotate(), [_[0], _[1], _[2] - 90]); + }; - return rotate([0, 0, 90]) - .scale(159.155); - } - - exports.version = version; - exports.bisect = bisectRight; - exports.bisectRight = bisectRight; - exports.bisectLeft = bisectLeft; - exports.ascending = ascending; - exports.bisector = bisector; - exports.descending = descending; - exports.deviation = deviation; - exports.extent = extent; - exports.histogram = histogram; - exports.thresholdFreedmanDiaconis = freedmanDiaconis; - exports.thresholdScott = scott; - exports.thresholdSturges = sturges; - exports.max = max; - exports.mean = mean; - exports.median = median; - exports.merge = merge; - exports.min = min; - exports.pairs = pairs; - exports.permute = permute; - exports.quantile = threshold; - exports.range = range; - exports.scan = scan; - exports.shuffle = shuffle; - exports.sum = sum; - exports.ticks = ticks; - exports.tickStep = tickStep; - exports.transpose = transpose; - exports.variance = variance; - exports.zip = zip; - exports.entries = entries; - exports.keys = keys; - exports.values = values; - exports.map = map$1; - exports.set = set; - exports.nest = nest; - exports.randomUniform = uniform; - exports.randomNormal = normal; - exports.randomLogNormal = logNormal; - exports.randomBates = bates; - exports.randomIrwinHall = irwinHall; - exports.randomExponential = exponential; - exports.easeLinear = linear; - exports.easeQuad = quadInOut; - exports.easeQuadIn = quadIn; - exports.easeQuadOut = quadOut; - exports.easeQuadInOut = quadInOut; - exports.easeCubic = easeCubicInOut; - exports.easeCubicIn = cubicIn; - exports.easeCubicOut = cubicOut; - exports.easeCubicInOut = easeCubicInOut; - exports.easePoly = polyInOut; - exports.easePolyIn = polyIn; - exports.easePolyOut = polyOut; - exports.easePolyInOut = polyInOut; - exports.easeSin = sinInOut; - exports.easeSinIn = sinIn; - exports.easeSinOut = sinOut; - exports.easeSinInOut = sinInOut; - exports.easeExp = expInOut; - exports.easeExpIn = expIn; - exports.easeExpOut = expOut; - exports.easeExpInOut = expInOut; - exports.easeCircle = circleInOut; - exports.easeCircleIn = circleIn; - exports.easeCircleOut = circleOut; - exports.easeCircleInOut = circleInOut; - exports.easeBounce = bounceOut; - exports.easeBounceIn = bounceIn; - exports.easeBounceOut = bounceOut; - exports.easeBounceInOut = bounceInOut; - exports.easeBack = backInOut; - exports.easeBackIn = backIn; - exports.easeBackOut = backOut; - exports.easeBackInOut = backInOut; - exports.easeElastic = elasticOut; - exports.easeElasticIn = elasticIn; - exports.easeElasticOut = elasticOut; - exports.easeElasticInOut = elasticInOut; - exports.polygonArea = area; - exports.polygonCentroid = centroid; - exports.polygonHull = hull; - exports.polygonContains = contains; - exports.polygonLength = length$1; - exports.path = path; - exports.quadtree = quadtree; - exports.queue = queue; - exports.arc = arc; - exports.area = area$1; - exports.line = line; - exports.pie = pie; - exports.radialArea = radialArea; - exports.radialLine = radialLine$1; - exports.symbol = symbol; - exports.symbols = symbols; - exports.symbolCircle = circle; - exports.symbolCross = cross$1; - exports.symbolDiamond = diamond; - exports.symbolSquare = square; - exports.symbolStar = star; - exports.symbolTriangle = triangle; - exports.symbolWye = wye; - exports.curveBasisClosed = basisClosed; - exports.curveBasisOpen = basisOpen; - exports.curveBasis = basis; - exports.curveBundle = bundle; - exports.curveCardinalClosed = cardinalClosed; - exports.curveCardinalOpen = cardinalOpen; - exports.curveCardinal = cardinal; - exports.curveCatmullRomClosed = catmullRomClosed; - exports.curveCatmullRomOpen = catmullRomOpen; - exports.curveCatmullRom = catmullRom; - exports.curveLinearClosed = linearClosed; - exports.curveLinear = curveLinear; - exports.curveMonotoneX = monotoneX; - exports.curveMonotoneY = monotoneY; - exports.curveNatural = natural; - exports.curveStep = step; - exports.curveStepAfter = stepAfter; - exports.curveStepBefore = stepBefore; - exports.stack = stack; - exports.stackOffsetExpand = expand; - exports.stackOffsetNone = none; - exports.stackOffsetSilhouette = silhouette; - exports.stackOffsetWiggle = wiggle; - exports.stackOrderAscending = ascending$1; - exports.stackOrderDescending = descending$2; - exports.stackOrderInsideOut = insideOut; - exports.stackOrderNone = none$1; - exports.stackOrderReverse = reverse; - exports.color = color; - exports.rgb = colorRgb; - exports.hsl = colorHsl; - exports.lab = lab; - exports.hcl = colorHcl; - exports.cubehelix = cubehelix; - exports.interpolate = interpolate; - exports.interpolateArray = array$1; - exports.interpolateDate = date; - exports.interpolateNumber = interpolateNumber; - exports.interpolateObject = object; - exports.interpolateRound = interpolateRound; - exports.interpolateString = interpolateString; - exports.interpolateTransformCss = interpolateTransform$1; - exports.interpolateTransformSvg = interpolateTransform$2; - exports.interpolateZoom = interpolateZoom; - exports.interpolateRgb = interpolateRgb; - exports.interpolateRgbBasis = rgbBasis; - exports.interpolateRgbBasisClosed = rgbBasisClosed; - exports.interpolateHsl = hsl$1; - exports.interpolateHslLong = hslLong; - exports.interpolateLab = lab$1; - exports.interpolateHcl = hcl$1; - exports.interpolateHclLong = hclLong; - exports.interpolateCubehelix = cubehelix$2; - exports.interpolateCubehelixLong = interpolateCubehelixLong; - exports.interpolateBasis = basis$2; - exports.interpolateBasisClosed = basisClosed$1; - exports.quantize = quantize; - exports.dispatch = dispatch; - exports.dsvFormat = dsv; - exports.csvParse = csvParse; - exports.csvParseRows = csvParseRows; - exports.csvFormat = csvFormat; - exports.csvFormatRows = csvFormatRows; - exports.tsvParse = tsvParse; - exports.tsvParseRows = tsvParseRows; - exports.tsvFormat = tsvFormat; - exports.tsvFormatRows = tsvFormatRows; - exports.request = request; - exports.html = html; - exports.json = json; - exports.text = text; - exports.xml = xml; - exports.csv = csv$1; - exports.tsv = tsv$1; - exports.now = now; - exports.timer = timer; - exports.timerFlush = timerFlush; - exports.timeout = timeout$1; - exports.interval = interval$1; - exports.timeInterval = newInterval; - exports.timeMillisecond = millisecond; - exports.timeMilliseconds = milliseconds; - exports.timeSecond = second; - exports.timeSeconds = seconds; - exports.timeMinute = minute; - exports.timeMinutes = minutes; - exports.timeHour = hour; - exports.timeHours = hours; - exports.timeDay = day; - exports.timeDays = days; - exports.timeWeek = timeWeek; - exports.timeWeeks = sundays; - exports.timeSunday = timeWeek; - exports.timeSundays = sundays; - exports.timeMonday = timeMonday; - exports.timeMondays = mondays; - exports.timeTuesday = tuesday; - exports.timeTuesdays = tuesdays; - exports.timeWednesday = wednesday; - exports.timeWednesdays = wednesdays; - exports.timeThursday = thursday; - exports.timeThursdays = thursdays; - exports.timeFriday = friday; - exports.timeFridays = fridays; - exports.timeSaturday = saturday; - exports.timeSaturdays = saturdays; - exports.timeMonth = month; - exports.timeMonths = months; - exports.timeYear = year; - exports.timeYears = years; - exports.utcMillisecond = millisecond; - exports.utcMilliseconds = milliseconds; - exports.utcSecond = second; - exports.utcSeconds = seconds; - exports.utcMinute = utcMinute; - exports.utcMinutes = utcMinutes; - exports.utcHour = utcHour; - exports.utcHours = utcHours; - exports.utcDay = utcDay; - exports.utcDays = utcDays; - exports.utcWeek = utcWeek; - exports.utcWeeks = utcSundays; - exports.utcSunday = utcWeek; - exports.utcSundays = utcSundays; - exports.utcMonday = utcMonday; - exports.utcMondays = utcMondays; - exports.utcTuesday = utcTuesday; - exports.utcTuesdays = utcTuesdays; - exports.utcWednesday = utcWednesday; - exports.utcWednesdays = utcWednesdays; - exports.utcThursday = utcThursday; - exports.utcThursdays = utcThursdays; - exports.utcFriday = utcFriday; - exports.utcFridays = utcFridays; - exports.utcSaturday = utcSaturday; - exports.utcSaturdays = utcSaturdays; - exports.utcMonth = utcMonth; - exports.utcMonths = utcMonths; - exports.utcYear = utcYear; - exports.utcYears = utcYears; - exports.formatLocale = formatLocale; - exports.formatDefaultLocale = defaultLocale; - exports.formatSpecifier = formatSpecifier; - exports.precisionFixed = precisionFixed; - exports.precisionPrefix = precisionPrefix; - exports.precisionRound = precisionRound; - exports.isoFormat = formatIso; - exports.isoParse = parseIso; - exports.timeFormatLocale = formatLocale$1; - exports.timeFormatDefaultLocale = defaultLocale$1; - exports.scaleBand = band; - exports.scalePoint = point$4; - exports.scaleIdentity = identity$4; - exports.scaleLinear = linear$2; - exports.scaleLog = log; - exports.scaleOrdinal = ordinal; - exports.scaleImplicit = implicit; - exports.scalePow = pow; - exports.scaleSqrt = sqrt; - exports.scaleQuantile = quantile; - exports.scaleQuantize = quantize$1; - exports.scaleThreshold = threshold$1; - exports.scaleTime = time; - exports.scaleUtc = utcTime; - exports.schemeCategory10 = category10; - exports.schemeCategory20b = category20b; - exports.schemeCategory20c = category20c; - exports.schemeCategory20 = category20; - exports.scaleSequential = sequential; - exports.interpolateCubehelixDefault = cubehelix$3; - exports.interpolateRainbow = rainbow$1; - exports.interpolateWarm = warm; - exports.interpolateCool = cool; - exports.interpolateViridis = viridis; - exports.interpolateMagma = magma; - exports.interpolateInferno = inferno; - exports.interpolatePlasma = plasma; - exports.creator = creator; - exports.customEvent = customEvent; - exports.local = local; - exports.matcher = matcher$1; - exports.mouse = mouse; - exports.namespace = namespace; - exports.namespaces = namespaces; - exports.select = select; - exports.selectAll = selectAll; - exports.selection = selection; - exports.selector = selector; - exports.selectorAll = selectorAll; - exports.touch = touch; - exports.touches = touches; - exports.window = window; - exports.active = active; - exports.interrupt = interrupt; - exports.transition = transition; - exports.axisTop = axisTop; - exports.axisRight = axisRight; - exports.axisBottom = axisBottom; - exports.axisLeft = axisLeft; - exports.cluster = cluster; - exports.hierarchy = hierarchy; - exports.pack = index; - exports.packSiblings = siblings; - exports.packEnclose = enclose; - exports.partition = partition; - exports.stratify = stratify; - exports.tree = tree; - exports.treemap = index$1; - exports.treemapBinary = binary; - exports.treemapDice = treemapDice; - exports.treemapSlice = treemapSlice; - exports.treemapSliceDice = sliceDice; - exports.treemapSquarify = squarify; - exports.treemapResquarify = resquarify; - exports.forceCenter = center$1; - exports.forceCollide = collide; - exports.forceLink = link; - exports.forceManyBody = manyBody; - exports.forceSimulation = simulation; - exports.forceX = x$3; - exports.forceY = y$3; - exports.drag = drag; - exports.dragDisable = dragDisable; - exports.dragEnable = dragEnable; - exports.voronoi = voronoi; - exports.zoom = zoom; - exports.zoomIdentity = identity$6; - exports.zoomTransform = transform; - exports.brush = brush; - exports.brushX = brushX; - exports.brushY = brushY; - exports.brushSelection = brushSelection; - exports.chord = chord; - exports.ribbon = ribbon; - exports.geoAlbers = albers; - exports.geoAlbersUsa = albersUsa; - exports.geoArea = area$2; - exports.geoAzimuthalEqualArea = azimuthalEqualArea; - exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw; - exports.geoAzimuthalEquidistant = azimuthalEquidistant; - exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; - exports.geoBounds = bounds; - exports.geoCentroid = centroid$1; - exports.geoCircle = circle$1; - exports.geoClipExtent = extent$1; - exports.geoConicConformal = conicConformal; - exports.geoConicConformalRaw = conicConformalRaw; - exports.geoConicEqualArea = conicEqualArea; - exports.geoConicEqualAreaRaw = conicEqualAreaRaw; - exports.geoConicEquidistant = conicEquidistant; - exports.geoConicEquidistantRaw = conicEquidistantRaw; - exports.geoDistance = distance; - exports.geoEquirectangular = equirectangular; - exports.geoEquirectangularRaw = equirectangularRaw; - exports.geoGnomonic = gnomonic; - exports.geoGnomonicRaw = gnomonicRaw; - exports.geoGraticule = graticule; - exports.geoInterpolate = interpolate$2; - exports.geoLength = length$2; - exports.geoMercator = mercator; - exports.geoMercatorRaw = mercatorRaw; - exports.geoOrthographic = orthographic; - exports.geoOrthographicRaw = orthographicRaw; - exports.geoPath = index$3; - exports.geoProjection = projection; - exports.geoProjectionMutator = projectionMutator; - exports.geoRotation = rotation; - exports.geoStereographic = stereographic; - exports.geoStereographicRaw = stereographicRaw; - exports.geoStream = geoStream; - exports.geoTransform = transform$1; - exports.geoTransverseMercator = transverseMercator; - exports.geoTransverseMercatorRaw = transverseMercatorRaw; - - Object.defineProperty(exports, '__esModule', { value: true }); - -}))); \ No newline at end of file + return rotate([0, 0, 90]) + .scale(159.155); +} + +exports.version = version; +exports.bisect = bisectRight; +exports.bisectRight = bisectRight; +exports.bisectLeft = bisectLeft; +exports.ascending = ascending; +exports.bisector = bisector; +exports.descending = descending; +exports.deviation = deviation; +exports.extent = extent; +exports.histogram = histogram; +exports.thresholdFreedmanDiaconis = freedmanDiaconis; +exports.thresholdScott = scott; +exports.thresholdSturges = sturges; +exports.max = max; +exports.mean = mean; +exports.median = median; +exports.merge = merge; +exports.min = min; +exports.pairs = pairs; +exports.permute = permute; +exports.quantile = threshold; +exports.range = range; +exports.scan = scan; +exports.shuffle = shuffle; +exports.sum = sum; +exports.ticks = ticks; +exports.tickStep = tickStep; +exports.transpose = transpose; +exports.variance = variance; +exports.zip = zip; +exports.entries = entries; +exports.keys = keys; +exports.values = values; +exports.map = map$1; +exports.set = set; +exports.nest = nest; +exports.randomUniform = uniform; +exports.randomNormal = normal; +exports.randomLogNormal = logNormal; +exports.randomBates = bates; +exports.randomIrwinHall = irwinHall; +exports.randomExponential = exponential; +exports.easeLinear = linear; +exports.easeQuad = quadInOut; +exports.easeQuadIn = quadIn; +exports.easeQuadOut = quadOut; +exports.easeQuadInOut = quadInOut; +exports.easeCubic = cubicInOut; +exports.easeCubicIn = cubicIn; +exports.easeCubicOut = cubicOut; +exports.easeCubicInOut = cubicInOut; +exports.easePoly = polyInOut; +exports.easePolyIn = polyIn; +exports.easePolyOut = polyOut; +exports.easePolyInOut = polyInOut; +exports.easeSin = sinInOut; +exports.easeSinIn = sinIn; +exports.easeSinOut = sinOut; +exports.easeSinInOut = sinInOut; +exports.easeExp = expInOut; +exports.easeExpIn = expIn; +exports.easeExpOut = expOut; +exports.easeExpInOut = expInOut; +exports.easeCircle = circleInOut; +exports.easeCircleIn = circleIn; +exports.easeCircleOut = circleOut; +exports.easeCircleInOut = circleInOut; +exports.easeBounce = bounceOut; +exports.easeBounceIn = bounceIn; +exports.easeBounceOut = bounceOut; +exports.easeBounceInOut = bounceInOut; +exports.easeBack = backInOut; +exports.easeBackIn = backIn; +exports.easeBackOut = backOut; +exports.easeBackInOut = backInOut; +exports.easeElastic = elasticOut; +exports.easeElasticIn = elasticIn; +exports.easeElasticOut = elasticOut; +exports.easeElasticInOut = elasticInOut; +exports.polygonArea = area; +exports.polygonCentroid = centroid; +exports.polygonHull = hull; +exports.polygonContains = contains; +exports.polygonLength = length$1; +exports.path = path; +exports.quadtree = quadtree; +exports.queue = queue; +exports.arc = arc; +exports.area = area$1; +exports.line = line; +exports.pie = pie; +exports.radialArea = radialArea; +exports.radialLine = radialLine$1; +exports.symbol = symbol; +exports.symbols = symbols; +exports.symbolCircle = circle; +exports.symbolCross = cross$1; +exports.symbolDiamond = diamond; +exports.symbolSquare = square; +exports.symbolStar = star; +exports.symbolTriangle = triangle; +exports.symbolWye = wye; +exports.curveBasisClosed = basisClosed; +exports.curveBasisOpen = basisOpen; +exports.curveBasis = basis; +exports.curveBundle = bundle; +exports.curveCardinalClosed = cardinalClosed; +exports.curveCardinalOpen = cardinalOpen; +exports.curveCardinal = cardinal; +exports.curveCatmullRomClosed = catmullRomClosed; +exports.curveCatmullRomOpen = catmullRomOpen; +exports.curveCatmullRom = catmullRom; +exports.curveLinearClosed = linearClosed; +exports.curveLinear = curveLinear; +exports.curveMonotoneX = monotoneX; +exports.curveMonotoneY = monotoneY; +exports.curveNatural = natural; +exports.curveStep = step; +exports.curveStepAfter = stepAfter; +exports.curveStepBefore = stepBefore; +exports.stack = stack; +exports.stackOffsetExpand = expand; +exports.stackOffsetNone = none; +exports.stackOffsetSilhouette = silhouette; +exports.stackOffsetWiggle = wiggle; +exports.stackOrderAscending = ascending$1; +exports.stackOrderDescending = descending$2; +exports.stackOrderInsideOut = insideOut; +exports.stackOrderNone = none$1; +exports.stackOrderReverse = reverse; +exports.color = color; +exports.rgb = rgb; +exports.hsl = hsl; +exports.lab = lab; +exports.hcl = hcl; +exports.cubehelix = cubehelix; +exports.interpolate = interpolate; +exports.interpolateArray = array$1; +exports.interpolateDate = date; +exports.interpolateNumber = interpolateNumber; +exports.interpolateObject = object; +exports.interpolateRound = interpolateRound; +exports.interpolateString = interpolateString; +exports.interpolateTransformCss = interpolateTransformCss; +exports.interpolateTransformSvg = interpolateTransformSvg; +exports.interpolateZoom = interpolateZoom; +exports.interpolateRgb = interpolateRgb; +exports.interpolateRgbBasis = rgbBasis; +exports.interpolateRgbBasisClosed = rgbBasisClosed; +exports.interpolateHsl = hsl$2; +exports.interpolateHslLong = hslLong; +exports.interpolateLab = lab$1; +exports.interpolateHcl = hcl$2; +exports.interpolateHclLong = hclLong; +exports.interpolateCubehelix = cubehelix$2; +exports.interpolateCubehelixLong = cubehelixLong; +exports.interpolateBasis = basis$2; +exports.interpolateBasisClosed = basisClosed$1; +exports.quantize = quantize; +exports.dispatch = dispatch; +exports.dsvFormat = dsv; +exports.csvParse = csvParse; +exports.csvParseRows = csvParseRows; +exports.csvFormat = csvFormat; +exports.csvFormatRows = csvFormatRows; +exports.tsvParse = tsvParse; +exports.tsvParseRows = tsvParseRows; +exports.tsvFormat = tsvFormat; +exports.tsvFormatRows = tsvFormatRows; +exports.request = request; +exports.html = html; +exports.json = json; +exports.text = text; +exports.xml = xml; +exports.csv = csv$1; +exports.tsv = tsv$1; +exports.now = now; +exports.timer = timer; +exports.timerFlush = timerFlush; +exports.timeout = timeout$1; +exports.interval = interval$1; +exports.timeInterval = newInterval; +exports.timeMillisecond = millisecond; +exports.timeMilliseconds = milliseconds; +exports.timeSecond = second; +exports.timeSeconds = seconds; +exports.timeMinute = minute; +exports.timeMinutes = minutes; +exports.timeHour = hour; +exports.timeHours = hours; +exports.timeDay = day; +exports.timeDays = days; +exports.timeWeek = sunday; +exports.timeWeeks = sundays; +exports.timeSunday = sunday; +exports.timeSundays = sundays; +exports.timeMonday = monday; +exports.timeMondays = mondays; +exports.timeTuesday = tuesday; +exports.timeTuesdays = tuesdays; +exports.timeWednesday = wednesday; +exports.timeWednesdays = wednesdays; +exports.timeThursday = thursday; +exports.timeThursdays = thursdays; +exports.timeFriday = friday; +exports.timeFridays = fridays; +exports.timeSaturday = saturday; +exports.timeSaturdays = saturdays; +exports.timeMonth = month; +exports.timeMonths = months; +exports.timeYear = year; +exports.timeYears = years; +exports.utcMillisecond = millisecond; +exports.utcMilliseconds = milliseconds; +exports.utcSecond = second; +exports.utcSeconds = seconds; +exports.utcMinute = utcMinute; +exports.utcMinutes = utcMinutes; +exports.utcHour = utcHour; +exports.utcHours = utcHours; +exports.utcDay = utcDay; +exports.utcDays = utcDays; +exports.utcWeek = utcSunday; +exports.utcWeeks = utcSundays; +exports.utcSunday = utcSunday; +exports.utcSundays = utcSundays; +exports.utcMonday = utcMonday; +exports.utcMondays = utcMondays; +exports.utcTuesday = utcTuesday; +exports.utcTuesdays = utcTuesdays; +exports.utcWednesday = utcWednesday; +exports.utcWednesdays = utcWednesdays; +exports.utcThursday = utcThursday; +exports.utcThursdays = utcThursdays; +exports.utcFriday = utcFriday; +exports.utcFridays = utcFridays; +exports.utcSaturday = utcSaturday; +exports.utcSaturdays = utcSaturdays; +exports.utcMonth = utcMonth; +exports.utcMonths = utcMonths; +exports.utcYear = utcYear; +exports.utcYears = utcYears; +exports.formatLocale = formatLocale; +exports.formatDefaultLocale = defaultLocale; +exports.formatSpecifier = formatSpecifier; +exports.precisionFixed = precisionFixed; +exports.precisionPrefix = precisionPrefix; +exports.precisionRound = precisionRound; +exports.isoFormat = formatIso; +exports.isoParse = parseIso; +exports.timeFormatLocale = formatLocale$1; +exports.timeFormatDefaultLocale = defaultLocale$1; +exports.scaleBand = band; +exports.scalePoint = point$4; +exports.scaleIdentity = identity$4; +exports.scaleLinear = linear$2; +exports.scaleLog = log; +exports.scaleOrdinal = ordinal; +exports.scaleImplicit = implicit; +exports.scalePow = pow; +exports.scaleSqrt = sqrt; +exports.scaleQuantile = quantile$$1; +exports.scaleQuantize = quantize$1; +exports.scaleThreshold = threshold$1; +exports.scaleTime = time; +exports.scaleUtc = utcTime; +exports.schemeCategory10 = category10; +exports.schemeCategory20b = category20b; +exports.schemeCategory20c = category20c; +exports.schemeCategory20 = category20; +exports.scaleSequential = sequential; +exports.interpolateCubehelixDefault = cubehelix$3; +exports.interpolateRainbow = rainbow$1; +exports.interpolateWarm = warm; +exports.interpolateCool = cool; +exports.interpolateViridis = viridis; +exports.interpolateMagma = magma; +exports.interpolateInferno = inferno; +exports.interpolatePlasma = plasma; +exports.creator = creator; +exports.customEvent = customEvent; +exports.local = local; +exports.matcher = matcher$1; +exports.mouse = mouse; +exports.namespace = namespace; +exports.namespaces = namespaces; +exports.select = select; +exports.selectAll = selectAll; +exports.selection = selection; +exports.selector = selector; +exports.selectorAll = selectorAll; +exports.touch = touch; +exports.touches = touches; +exports.window = window; +exports.active = active; +exports.interrupt = interrupt; +exports.transition = transition; +exports.axisTop = axisTop; +exports.axisRight = axisRight; +exports.axisBottom = axisBottom; +exports.axisLeft = axisLeft; +exports.cluster = cluster; +exports.hierarchy = hierarchy; +exports.pack = index; +exports.packSiblings = siblings; +exports.packEnclose = enclose; +exports.partition = partition; +exports.stratify = stratify; +exports.tree = tree; +exports.treemap = index$1; +exports.treemapBinary = binary; +exports.treemapDice = treemapDice; +exports.treemapSlice = treemapSlice; +exports.treemapSliceDice = sliceDice; +exports.treemapSquarify = squarify; +exports.treemapResquarify = resquarify; +exports.forceCenter = center$1; +exports.forceCollide = collide; +exports.forceLink = link; +exports.forceManyBody = manyBody; +exports.forceSimulation = simulation; +exports.forceX = x$3; +exports.forceY = y$3; +exports.drag = drag; +exports.dragDisable = dragDisable; +exports.dragEnable = yesdrag; +exports.voronoi = voronoi; +exports.zoom = zoom; +exports.zoomIdentity = identity$6; +exports.zoomTransform = transform; +exports.brush = brush; +exports.brushX = brushX; +exports.brushY = brushY; +exports.brushSelection = brushSelection; +exports.chord = chord; +exports.ribbon = ribbon; +exports.geoAlbers = albers; +exports.geoAlbersUsa = albersUsa; +exports.geoArea = area$2; +exports.geoAzimuthalEqualArea = azimuthalEqualArea; +exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw; +exports.geoAzimuthalEquidistant = azimuthalEquidistant; +exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; +exports.geoBounds = bounds; +exports.geoCentroid = centroid$1; +exports.geoCircle = circle$1; +exports.geoClipExtent = extent$1; +exports.geoConicConformal = conicConformal; +exports.geoConicConformalRaw = conicConformalRaw; +exports.geoConicEqualArea = conicEqualArea; +exports.geoConicEqualAreaRaw = conicEqualAreaRaw; +exports.geoConicEquidistant = conicEquidistant; +exports.geoConicEquidistantRaw = conicEquidistantRaw; +exports.geoDistance = distance; +exports.geoEquirectangular = equirectangular; +exports.geoEquirectangularRaw = equirectangularRaw; +exports.geoGnomonic = gnomonic; +exports.geoGnomonicRaw = gnomonicRaw; +exports.geoGraticule = graticule; +exports.geoInterpolate = interpolate$2; +exports.geoLength = length$2; +exports.geoMercator = mercator; +exports.geoMercatorRaw = mercatorRaw; +exports.geoOrthographic = orthographic; +exports.geoOrthographicRaw = orthographicRaw; +exports.geoPath = index$3; +exports.geoProjection = projection; +exports.geoProjectionMutator = projectionMutator; +exports.geoRotation = rotation; +exports.geoStereographic = stereographic; +exports.geoStereographicRaw = stereographicRaw; +exports.geoStream = geoStream; +exports.geoTransform = transform$1; +exports.geoTransverseMercator = transverseMercator; +exports.geoTransverseMercatorRaw = transverseMercatorRaw; + +Object.defineProperty(exports, '__esModule', { value: true }); + +}))); diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index 1a81e55..25c434e 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.2.2. 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_v=jt.prototype=Ht.prototype;_v.copy=function(){var t,n,e=new Ht(this._x,this._y,this._x0,this._y0,this._x1,this._y1),r=this._root;if(!r)return e;if(!r.length)return e._root=Xt(r),e;for(t=[{source:r,target:e._root=new Array(4)}];r=t.pop();)for(var i=0;i<4;++i)(n=r.source[i])&&(n.length?t.push({source:n,target:r.target[i]=new Array(4)}):r.target[i]=Xt(n));return e},_v.add=kt,_v.addAll=Nt,_v.cover=At,_v.data=Et,_v.extent=Ct,_v.find=Pt,_v.remove=qt,_v.removeAll=Lt,_v.root=Rt,_v.size=Ut,_v.visit=Dt,_v.visitAfter=Ot,_v.x=It,_v.y=Bt;var yv=[].slice,gv={};Vt.prototype=Qt.prototype={constructor:Vt,defer:function(t){if("function"!=typeof t||this._call)throw new Error;if(null!=this._error)return this;var n=yv.call(arguments,1);return n.push(t),++this._waiting,this._tasks.push(n),Wt(this),this},abort:function(){return null==this._error&&Gt(this,new Error("abort")), -this},await:function(t){if("function"!=typeof t||this._call)throw new Error;return this._call=function(n,e){t.apply(null,[n].concat(e))},Jt(this),this},awaitAll:function(t){if("function"!=typeof t||this._call)throw new Error;return this._call=t,Jt(this),this}};var mv=1e-12,xv=Math.PI,bv=xv/2,wv=2*xv;fn.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._point=0},lineEnd:function(){(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:this._context.lineTo(t,n)}}};var Mv=xn(ln);mn.prototype={areaStart:function(){this._curve.areaStart()},areaEnd:function(){this._curve.areaEnd()},lineStart:function(){this._curve.lineStart()},lineEnd:function(){this._curve.lineEnd()},point:function(t,n){this._curve.point(n*Math.sin(t),n*-Math.cos(t))}};var Tv={draw:function(t,n){var e=Math.sqrt(n/xv);t.moveTo(e,0),t.arc(0,0,e,0,wv)}},kv={draw:function(t,n){var e=Math.sqrt(n/5)/2;t.moveTo(-3*e,-e),t.lineTo(-e,-e),t.lineTo(-e,-3*e),t.lineTo(e,-3*e),t.lineTo(e,-e),t.lineTo(3*e,-e),t.lineTo(3*e,e),t.lineTo(e,e),t.lineTo(e,3*e),t.lineTo(-e,3*e),t.lineTo(-e,e),t.lineTo(-3*e,e),t.closePath()}},Sv=Math.sqrt(1/3),Nv=2*Sv,Av={draw:function(t,n){var e=Math.sqrt(n/Nv),r=e*Sv;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},Ev=.8908130915292852,Cv=Math.sin(xv/10)/Math.sin(7*xv/10),zv=Math.sin(wv/10)*Cv,Pv=-Math.cos(wv/10)*Cv,qv={draw:function(t,n){var e=Math.sqrt(n*Ev),r=zv*e,i=Pv*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var u=wv*o/5,a=Math.cos(u),c=Math.sin(u);t.lineTo(c*e,-a*e),t.lineTo(a*r-c*i,c*r+a*i)}t.closePath()}},Lv={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},Rv=Math.sqrt(3),Uv={draw:function(t,n){var e=-Math.sqrt(n/(3*Rv));t.moveTo(0,2*e),t.lineTo(-Rv*e,-e),t.lineTo(Rv*e,-e),t.closePath()}},Dv=-.5,Ov=Math.sqrt(3)/2,Fv=1/Math.sqrt(12),Iv=3*(Fv/2+1),Yv={draw:function(t,n){var e=Math.sqrt(n/Iv),r=e/2,i=e*Fv,o=r,u=e*Fv+e,a=-o,c=u;t.moveTo(r,i),t.lineTo(o,u),t.lineTo(a,c),t.lineTo(Dv*r-Ov*i,Ov*r+Dv*i),t.lineTo(Dv*o-Ov*u,Ov*o+Dv*u),t.lineTo(Dv*a-Ov*c,Ov*a+Dv*c),t.lineTo(Dv*r+Ov*i,Dv*i-Ov*r),t.lineTo(Dv*o+Ov*u,Dv*u-Ov*o),t.lineTo(Dv*a+Ov*c,Dv*c-Ov*a),t.closePath()}},Bv=[Tv,kv,Av,Lv,qv,Uv,Yv];Nn.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Sn(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Sn(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},En.prototype={areaStart:kn,areaEnd:kn,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Sn(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},zn.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Sn(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},qn.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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2:this._point=3,this._x5=t,this._y5=n;break;default:Ln(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Xv=function t(n){function e(t){return new Un(t,n)}return e.tension=function(n){return t(+n)},e}(0);Dn.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:Ln(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Vv=function t(n){function e(t){return new Dn(t,n)}return 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n?new Yn(t,n):new Dn(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);Bn.prototype={areaStart:kn,areaEnd:kn,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}},$n.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:Wn(this,this._t0,Vn(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 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\ No newline at end of file diff --git a/app/assets/javascripts/d3.v4.js b/app/assets/javascripts/d3.v4.js index 58e6efb..52839d9 100644 --- a/app/assets/javascripts/d3.v4.js +++ b/app/assets/javascripts/d3.v4.js @@ -1,16228 +1,16279 @@ -// https://d3js.org Version 4.2.2. Copyright 2016 Mike Bostock. +// https://d3js.org Version 4.2.4. Copyright 2016 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; - var version = "4.2.2"; - - function ascending(a, b) { - return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; - } - - function bisector(compare) { - if (compare.length === 1) compare = ascendingComparator(compare); - return { - left: function(a, x, lo, hi) { - if (lo == null) lo = 0; - if (hi == null) hi = a.length; - while (lo < hi) { - var mid = lo + hi >>> 1; - if (compare(a[mid], x) < 0) lo = mid + 1; - else hi = mid; - } - return lo; - }, - right: function(a, x, lo, hi) { - if (lo == null) lo = 0; - if (hi == null) hi = a.length; - while (lo < hi) { - var mid = lo + hi >>> 1; - if (compare(a[mid], x) > 0) hi = mid; - else lo = mid + 1; - } - return lo; +var version = "4.2.4"; + +var ascending = function(a, b) { + return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; +} + +var bisector = function(compare) { + if (compare.length === 1) compare = ascendingComparator(compare); + return { + left: function(a, x, lo, hi) { + if (lo == null) lo = 0; + if (hi == null) hi = a.length; + while (lo < hi) { + var mid = lo + hi >>> 1; + if (compare(a[mid], x) < 0) lo = mid + 1; + else hi = mid; } - }; - } - - function ascendingComparator(f) { - return function(d, x) { - return ascending(f(d), x); - }; - } - - var ascendingBisect = bisector(ascending); - var bisectRight = ascendingBisect.right; - var bisectLeft = ascendingBisect.left; - - function descending(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; - } - - function number(x) { - return x === null ? NaN : +x; - } - - function variance(array, f) { - var n = array.length, - m = 0, - a, - d, - s = 0, - i = -1, - j = 0; - - if (f == null) { - while (++i < n) { - if (!isNaN(a = number(array[i]))) { - d = a - m; - m += d / ++j; - s += d * (a - m); - } + return lo; + }, + right: function(a, x, lo, hi) { + if (lo == null) lo = 0; + if (hi == null) hi = a.length; + while (lo < hi) { + var mid = lo + hi >>> 1; + if (compare(a[mid], x) > 0) hi = mid; + else lo = mid + 1; } + return lo; } + }; +} - else { - while (++i < n) { - if (!isNaN(a = number(f(array[i], i, array)))) { - d = a - m; - m += d / ++j; - s += d * (a - m); - } +function ascendingComparator(f) { + return function(d, x) { + return ascending(f(d), x); + }; +} + +var ascendingBisect = bisector(ascending); +var bisectRight = ascendingBisect.right; +var bisectLeft = ascendingBisect.left; + +var descending = function(a, b) { + return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; +} + +var number = function(x) { + return x === null ? NaN : +x; +} + +var variance = function(array, f) { + var n = array.length, + m = 0, + a, + d, + s = 0, + i = -1, + j = 0; + + if (f == null) { + while (++i < n) { + if (!isNaN(a = number(array[i]))) { + d = a - m; + m += d / ++j; + s += d * (a - m); } } - - if (j > 1) return s / (j - 1); } - function deviation(array, f) { - var v = variance(array, f); - return v ? Math.sqrt(v) : v; + else { + while (++i < n) { + if (!isNaN(a = number(f(array[i], i, array)))) { + d = a - m; + m += d / ++j; + s += d * (a - m); + } + } } - function extent(array, f) { - var i = -1, - n = array.length, - a, - b, - c; + if (j > 1) return s / (j - 1); +} - if (f == null) { - while (++i < n) if ((b = array[i]) != null && b >= b) { a = c = b; break; } - while (++i < n) if ((b = array[i]) != null) { - if (a > b) a = b; - if (c < b) c = b; - } - } +var deviation = function(array, f) { + var v = variance(array, f); + return v ? Math.sqrt(v) : v; +} - else { - while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = c = b; break; } - while (++i < n) if ((b = f(array[i], i, array)) != null) { - if (a > b) a = b; - if (c < b) c = b; - } +var extent = function(array, f) { + var i = -1, + n = array.length, + a, + b, + c; + + if (f == null) { + while (++i < n) if ((b = array[i]) != null && b >= b) { a = c = b; break; } + while (++i < n) if ((b = array[i]) != null) { + if (a > b) a = b; + if (c < b) c = b; } + } - return [a, c]; + else { + while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = c = b; break; } + while (++i < n) if ((b = f(array[i], i, array)) != null) { + if (a > b) a = b; + if (c < b) c = b; + } } - var array = Array.prototype; + return [a, c]; +} - var slice = array.slice; - var map = array.map; +var array = Array.prototype; - function constant(x) { - return function() { - return x; - }; - } +var slice = array.slice; +var map = array.map; - function identity(x) { +var constant$1 = function(x) { + return function() { return x; - } - - function range(start, stop, step) { - start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; - - var i = -1, - n = Math.max(0, Math.ceil((stop - start) / step)) | 0, - range = new Array(n); + }; +} - while (++i < n) { - range[i] = start + i * step; - } +var identity = function(x) { + return x; +} - return range; - } +var range = function(start, stop, step) { + start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; - var e10 = Math.sqrt(50); - var e5 = Math.sqrt(10); - var e2 = Math.sqrt(2); - function ticks(start, stop, count) { - var step = tickStep(start, stop, count); - return range( - Math.ceil(start / step) * step, - Math.floor(stop / step) * step + step / 2, // inclusive - step - ); - } + var i = -1, + n = Math.max(0, Math.ceil((stop - start) / step)) | 0, + range = new Array(n); - function tickStep(start, stop, count) { - var step0 = Math.abs(stop - start) / Math.max(0, count), - step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)), - error = step0 / step1; - if (error >= e10) step1 *= 10; - else if (error >= e5) step1 *= 5; - else if (error >= e2) step1 *= 2; - return stop < start ? -step1 : step1; + while (++i < n) { + range[i] = start + i * step; } - function sturges(values) { - return Math.ceil(Math.log(values.length) / Math.LN2) + 1; - } + return range; +} - function histogram() { - var value = identity, - domain = extent, - threshold = sturges; +var e10 = Math.sqrt(50); +var e5 = Math.sqrt(10); +var e2 = Math.sqrt(2); - function histogram(data) { - var i, - n = data.length, - x, - values = new Array(n); +var ticks = function(start, stop, count) { + var step = tickStep(start, stop, count); + return range( + Math.ceil(start / step) * step, + Math.floor(stop / step) * step + step / 2, // inclusive + step + ); +} + +function tickStep(start, stop, count) { + var step0 = Math.abs(stop - start) / Math.max(0, count), + step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)), + error = step0 / step1; + if (error >= e10) step1 *= 10; + else if (error >= e5) step1 *= 5; + else if (error >= e2) step1 *= 2; + return stop < start ? -step1 : step1; +} + +var sturges = function(values) { + return Math.ceil(Math.log(values.length) / Math.LN2) + 1; +} + +var histogram = function() { + var value = identity, + domain = extent, + threshold = sturges; + + function histogram(data) { + var i, + n = data.length, + x, + values = new Array(n); - for (i = 0; i < n; ++i) { - values[i] = value(data[i], i, data); - } + for (i = 0; i < n; ++i) { + values[i] = value(data[i], i, data); + } - var xz = domain(values), - x0 = xz[0], - x1 = xz[1], - tz = threshold(values, x0, x1); + var xz = domain(values), + x0 = xz[0], + x1 = xz[1], + tz = threshold(values, x0, x1); - // Convert number of thresholds into uniform thresholds. - if (!Array.isArray(tz)) tz = ticks(x0, x1, tz); + // Convert number of thresholds into uniform thresholds. + if (!Array.isArray(tz)) tz = ticks(x0, x1, tz); - // Remove any thresholds outside the domain. - var m = tz.length; - while (tz[0] <= x0) tz.shift(), --m; - while (tz[m - 1] >= x1) tz.pop(), --m; + // Remove any thresholds outside the domain. + var m = tz.length; + while (tz[0] <= x0) tz.shift(), --m; + while (tz[m - 1] >= x1) tz.pop(), --m; - var bins = new Array(m + 1), - bin; + var bins = new Array(m + 1), + bin; - // Initialize bins. - for (i = 0; i <= m; ++i) { - bin = bins[i] = []; - bin.x0 = i > 0 ? tz[i - 1] : x0; - bin.x1 = i < m ? tz[i] : x1; - } + // Initialize bins. + for (i = 0; i <= m; ++i) { + bin = bins[i] = []; + bin.x0 = i > 0 ? tz[i - 1] : x0; + bin.x1 = i < m ? tz[i] : x1; + } - // Assign data to bins by value, ignoring any outside the domain. - for (i = 0; i < n; ++i) { - x = values[i]; - if (x0 <= x && x <= x1) { - bins[bisectRight(tz, x, 0, m)].push(data[i]); - } + // Assign data to bins by value, ignoring any outside the domain. + for (i = 0; i < n; ++i) { + x = values[i]; + if (x0 <= x && x <= x1) { + bins[bisectRight(tz, x, 0, m)].push(data[i]); } - - return bins; } - histogram.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant(_), histogram) : value; - }; + return bins; + } - histogram.domain = function(_) { - return arguments.length ? (domain = typeof _ === "function" ? _ : constant([_[0], _[1]]), histogram) : domain; - }; + histogram.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant$1(_), histogram) : value; + }; - histogram.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), histogram) : threshold; - }; + histogram.domain = function(_) { + return arguments.length ? (domain = typeof _ === "function" ? _ : constant$1([_[0], _[1]]), histogram) : domain; + }; - return histogram; - } + histogram.thresholds = function(_) { + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$1(slice.call(_)) : constant$1(_), histogram) : threshold; + }; - function threshold(array, p, f) { - if (f == null) f = number; - if (!(n = array.length)) return; - if ((p = +p) <= 0 || n < 2) return +f(array[0], 0, array); - if (p >= 1) return +f(array[n - 1], n - 1, array); - var n, - h = (n - 1) * p, - i = Math.floor(h), - a = +f(array[i], i, array), - b = +f(array[i + 1], i + 1, array); - return a + (b - a) * (h - i); - } + return histogram; +} - function freedmanDiaconis(values, min, max) { - values = map.call(values, number).sort(ascending); - return Math.ceil((max - min) / (2 * (threshold(values, 0.75) - threshold(values, 0.25)) * Math.pow(values.length, -1 / 3))); - } +var threshold = function(array, p, f) { + if (f == null) f = number; + if (!(n = array.length)) return; + if ((p = +p) <= 0 || n < 2) return +f(array[0], 0, array); + if (p >= 1) return +f(array[n - 1], n - 1, array); + var n, + h = (n - 1) * p, + i = Math.floor(h), + a = +f(array[i], i, array), + b = +f(array[i + 1], i + 1, array); + return a + (b - a) * (h - i); +} - function scott(values, min, max) { - return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3))); - } +var freedmanDiaconis = function(values, min, max) { + values = map.call(values, number).sort(ascending); + return Math.ceil((max - min) / (2 * (threshold(values, 0.75) - threshold(values, 0.25)) * Math.pow(values.length, -1 / 3))); +} - function max(array, f) { - var i = -1, - n = array.length, - a, - b; +var scott = function(values, min, max) { + return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3))); +} - if (f == null) { - while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = array[i]) != null && b > a) a = b; - } +var max = function(array, f) { + var i = -1, + n = array.length, + a, + b; - else { - while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = f(array[i], i, array)) != null && b > a) a = b; - } + if (f == null) { + while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } + while (++i < n) if ((b = array[i]) != null && b > a) a = b; + } - return a; + else { + while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } + while (++i < n) if ((b = f(array[i], i, array)) != null && b > a) a = b; } - function mean(array, f) { - var s = 0, - n = array.length, - a, - i = -1, - j = n; + return a; +} - if (f == null) { - while (++i < n) if (!isNaN(a = number(array[i]))) s += a; else --j; - } +var mean = function(array, f) { + var s = 0, + n = array.length, + a, + i = -1, + j = n; - else { - while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) s += a; else --j; - } + if (f == null) { + while (++i < n) if (!isNaN(a = number(array[i]))) s += a; else --j; + } - if (j) return s / j; + else { + while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) s += a; else --j; } - function median(array, f) { - var numbers = [], - n = array.length, - a, - i = -1; + if (j) return s / j; +} - if (f == null) { - while (++i < n) if (!isNaN(a = number(array[i]))) numbers.push(a); - } +var median = function(array, f) { + var numbers = [], + n = array.length, + a, + i = -1; - else { - while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) numbers.push(a); - } + if (f == null) { + while (++i < n) if (!isNaN(a = number(array[i]))) numbers.push(a); + } - return threshold(numbers.sort(ascending), 0.5); + else { + while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) numbers.push(a); } - function merge(arrays) { - var n = arrays.length, - m, - i = -1, - j = 0, - merged, - array; + return threshold(numbers.sort(ascending), 0.5); +} - while (++i < n) j += arrays[i].length; - merged = new Array(j); +var merge = function(arrays) { + var n = arrays.length, + m, + i = -1, + j = 0, + merged, + array; - while (--n >= 0) { - array = arrays[n]; - m = array.length; - while (--m >= 0) { - merged[--j] = array[m]; - } - } + while (++i < n) j += arrays[i].length; + merged = new Array(j); - return merged; + while (--n >= 0) { + array = arrays[n]; + m = array.length; + while (--m >= 0) { + merged[--j] = array[m]; + } } - function min(array, f) { - var i = -1, - n = array.length, - a, - b; - - if (f == null) { - while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = array[i]) != null && a > b) a = b; - } + return merged; +} - else { - while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = f(array[i], i, array)) != null && a > b) a = b; - } +var min = function(array, f) { + var i = -1, + n = array.length, + a, + b; - return a; + if (f == null) { + while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } + while (++i < n) if ((b = array[i]) != null && a > b) a = b; } - function pairs(array) { - var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n); - while (i < n) pairs[i] = [p, p = array[++i]]; - return pairs; + else { + while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } + while (++i < n) if ((b = f(array[i], i, array)) != null && a > b) a = b; } - function permute(array, indexes) { - var i = indexes.length, permutes = new Array(i); - while (i--) permutes[i] = array[indexes[i]]; - return permutes; - } + return a; +} - function scan(array, compare) { - if (!(n = array.length)) return; - var i = 0, - n, - j = 0, - xi, - xj = array[j]; +var pairs = function(array) { + var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n); + while (i < n) pairs[i] = [p, p = array[++i]]; + return pairs; +} - if (!compare) compare = ascending; +var permute = function(array, indexes) { + var i = indexes.length, permutes = new Array(i); + while (i--) permutes[i] = array[indexes[i]]; + return permutes; +} - while (++i < n) if (compare(xi = array[i], xj) < 0 || compare(xj, xj) !== 0) xj = xi, j = i; +var scan = function(array, compare) { + if (!(n = array.length)) return; + var i = 0, + n, + j = 0, + xi, + xj = array[j]; - if (compare(xj, xj) === 0) return j; - } + if (!compare) compare = ascending; - function shuffle(array, i0, i1) { - var m = (i1 == null ? array.length : i1) - (i0 = i0 == null ? 0 : +i0), - t, - i; + while (++i < n) if (compare(xi = array[i], xj) < 0 || compare(xj, xj) !== 0) xj = xi, j = i; - while (m) { - i = Math.random() * m-- | 0; - t = array[m + i0]; - array[m + i0] = array[i + i0]; - array[i + i0] = t; - } + if (compare(xj, xj) === 0) return j; +} - return array; - } +var shuffle = function(array, i0, i1) { + var m = (i1 == null ? array.length : i1) - (i0 = i0 == null ? 0 : +i0), + t, + i; - function sum(array, f) { - var s = 0, - n = array.length, - a, - i = -1; + while (m) { + i = Math.random() * m-- | 0; + t = array[m + i0]; + array[m + i0] = array[i + i0]; + array[i + i0] = t; + } - if (f == null) { - while (++i < n) if (a = +array[i]) s += a; // Note: zero and null are equivalent. - } + return array; +} - else { - while (++i < n) if (a = +f(array[i], i, array)) s += a; - } +var sum = function(array, f) { + var s = 0, + n = array.length, + a, + i = -1; - return s; + if (f == null) { + while (++i < n) if (a = +array[i]) s += a; // Note: zero and null are equivalent. } - function transpose(matrix) { - if (!(n = matrix.length)) return []; - for (var i = -1, m = min(matrix, length), transpose = new Array(m); ++i < m;) { - for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n;) { - row[j] = matrix[j][i]; - } - } - return transpose; + else { + while (++i < n) if (a = +f(array[i], i, array)) s += a; } - function length(d) { - return d.length; - } + return s; +} - function zip() { - return transpose(arguments); +var transpose = function(matrix) { + if (!(n = matrix.length)) return []; + for (var i = -1, m = min(matrix, length), transpose = new Array(m); ++i < m;) { + for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n;) { + row[j] = matrix[j][i]; + } } + return transpose; +} - var prefix = "$"; +function length(d) { + return d.length; +} - function Map() {} +var zip = function() { + return transpose(arguments); +} - Map.prototype = map$1.prototype = { - constructor: Map, - has: function(key) { - return (prefix + key) in this; - }, - get: function(key) { - return this[prefix + key]; - }, - set: function(key, value) { - this[prefix + key] = value; - return this; - }, - remove: function(key) { - var property = prefix + key; - return property in this && delete this[property]; - }, - clear: function() { - for (var property in this) if (property[0] === prefix) delete this[property]; - }, - keys: function() { - var keys = []; - for (var property in this) if (property[0] === prefix) keys.push(property.slice(1)); - return keys; - }, - values: function() { - var values = []; - for (var property in this) if (property[0] === prefix) values.push(this[property]); - return values; - }, - entries: function() { - var entries = []; - for (var property in this) if (property[0] === prefix) entries.push({key: property.slice(1), value: this[property]}); - return entries; - }, - size: function() { - var size = 0; - for (var property in this) if (property[0] === prefix) ++size; - return size; - }, - empty: function() { - for (var property in this) if (property[0] === prefix) return false; - return true; - }, - each: function(f) { - for (var property in this) if (property[0] === prefix) f(this[property], property.slice(1), this); - } - }; +var prefix = "$"; - function map$1(object, f) { - var map = new Map; +function Map() {} - // Copy constructor. - if (object instanceof Map) object.each(function(value, key) { map.set(key, value); }); +Map.prototype = map$1.prototype = { + constructor: Map, + has: function(key) { + return (prefix + key) in this; + }, + get: function(key) { + return this[prefix + key]; + }, + set: function(key, value) { + this[prefix + key] = value; + return this; + }, + remove: function(key) { + var property = prefix + key; + return property in this && delete this[property]; + }, + clear: function() { + for (var property in this) if (property[0] === prefix) delete this[property]; + }, + keys: function() { + var keys = []; + for (var property in this) if (property[0] === prefix) keys.push(property.slice(1)); + return keys; + }, + values: function() { + var values = []; + for (var property in this) if (property[0] === prefix) values.push(this[property]); + return values; + }, + entries: function() { + var entries = []; + for (var property in this) if (property[0] === prefix) entries.push({key: property.slice(1), value: this[property]}); + return entries; + }, + size: function() { + var size = 0; + for (var property in this) if (property[0] === prefix) ++size; + return size; + }, + empty: function() { + for (var property in this) if (property[0] === prefix) return false; + return true; + }, + each: function(f) { + for (var property in this) if (property[0] === prefix) f(this[property], property.slice(1), this); + } +}; - // Index array by numeric index or specified key function. - else if (Array.isArray(object)) { - var i = -1, - n = object.length, - o; +function map$1(object, f) { + var map = new Map; - if (f == null) while (++i < n) map.set(i, object[i]); - else while (++i < n) map.set(f(o = object[i], i, object), o); - } + // Copy constructor. + if (object instanceof Map) object.each(function(value, key) { map.set(key, value); }); - // Convert object to map. - else if (object) for (var key in object) map.set(key, object[key]); + // Index array by numeric index or specified key function. + else if (Array.isArray(object)) { + var i = -1, + n = object.length, + o; - return map; + if (f == null) while (++i < n) map.set(i, object[i]); + else while (++i < n) map.set(f(o = object[i], i, object), o); } - function nest() { - var keys = [], - sortKeys = [], - sortValues, - rollup, - nest; + // Convert object to map. + else if (object) for (var key in object) map.set(key, object[key]); - function apply(array, depth, createResult, setResult) { - if (depth >= keys.length) return rollup != null - ? rollup(array) : (sortValues != null - ? array.sort(sortValues) - : array); + return map; +} - var i = -1, - n = array.length, - key = keys[depth++], - keyValue, - value, - valuesByKey = map$1(), - values, - result = createResult(); +var nest = function() { + var keys = [], + sortKeys = [], + sortValues, + rollup, + nest; - while (++i < n) { - if (values = valuesByKey.get(keyValue = key(value = array[i]) + "")) { - values.push(value); - } else { - valuesByKey.set(keyValue, [value]); - } - } + function apply(array, depth, createResult, setResult) { + if (depth >= keys.length) return rollup != null + ? rollup(array) : (sortValues != null + ? array.sort(sortValues) + : array); - valuesByKey.each(function(values, key) { - setResult(result, key, apply(values, depth, createResult, setResult)); - }); + var i = -1, + n = array.length, + key = keys[depth++], + keyValue, + value, + valuesByKey = map$1(), + values, + result = createResult(); - return result; + while (++i < n) { + if (values = valuesByKey.get(keyValue = key(value = array[i]) + "")) { + values.push(value); + } else { + valuesByKey.set(keyValue, [value]); + } } - function entries(map, depth) { - if (++depth > keys.length) return map; - var array, sortKey = sortKeys[depth - 1]; - if (rollup != null && depth >= keys.length) array = map.entries(); - else array = [], map.each(function(v, k) { array.push({key: k, values: entries(v, depth)}); }); - return sortKey != null ? array.sort(function(a, b) { return sortKey(a.key, b.key); }) : array; - } + valuesByKey.each(function(values, key) { + setResult(result, key, apply(values, depth, createResult, setResult)); + }); - return nest = { - object: function(array) { return apply(array, 0, createObject, setObject); }, - map: function(array) { return apply(array, 0, createMap, setMap); }, - entries: function(array) { return entries(apply(array, 0, createMap, setMap), 0); }, - key: function(d) { keys.push(d); return nest; }, - sortKeys: function(order) { sortKeys[keys.length - 1] = order; return nest; }, - sortValues: function(order) { sortValues = order; return nest; }, - rollup: function(f) { rollup = f; return nest; } - }; + return result; } - function createObject() { - return {}; + function entries(map, depth) { + if (++depth > keys.length) return map; + var array, sortKey = sortKeys[depth - 1]; + if (rollup != null && depth >= keys.length) array = map.entries(); + else array = [], map.each(function(v, k) { array.push({key: k, values: entries(v, depth)}); }); + return sortKey != null ? array.sort(function(a, b) { return sortKey(a.key, b.key); }) : array; } - function setObject(object, key, value) { - object[key] = value; - } + return nest = { + object: function(array) { return apply(array, 0, createObject, setObject); }, + map: function(array) { return apply(array, 0, createMap, setMap); }, + entries: function(array) { return entries(apply(array, 0, createMap, setMap), 0); }, + key: function(d) { keys.push(d); return nest; }, + sortKeys: function(order) { sortKeys[keys.length - 1] = order; return nest; }, + sortValues: function(order) { sortValues = order; return nest; }, + rollup: function(f) { rollup = f; return nest; } + }; +} - function createMap() { - return map$1(); - } +function createObject() { + return {}; +} - function setMap(map, key, value) { - map.set(key, value); - } +function setObject(object, key, value) { + object[key] = value; +} - function Set() {} +function createMap() { + return map$1(); +} - var proto = map$1.prototype; +function setMap(map, key, value) { + map.set(key, value); +} - Set.prototype = set.prototype = { - constructor: Set, - has: proto.has, - add: function(value) { - value += ""; - this[prefix + value] = value; - return this; - }, - remove: proto.remove, - clear: proto.clear, - values: proto.keys, - size: proto.size, - empty: proto.empty, - each: proto.each +function Set() {} + +var proto = map$1.prototype; + +Set.prototype = set.prototype = { + constructor: Set, + has: proto.has, + add: function(value) { + value += ""; + this[prefix + value] = value; + return this; + }, + remove: proto.remove, + clear: proto.clear, + values: proto.keys, + size: proto.size, + empty: proto.empty, + each: proto.each +}; + +function set(object, f) { + var set = new Set; + + // Copy constructor. + if (object instanceof Set) object.each(function(value) { set.add(value); }); + + // Otherwise, assume it’s an array. + else if (object) { + var i = -1, n = object.length; + if (f == null) while (++i < n) set.add(object[i]); + else while (++i < n) set.add(f(object[i], i, object)); + } + + return set; +} + +var keys = function(map) { + var keys = []; + for (var key in map) keys.push(key); + return keys; +} + +var values = function(map) { + var values = []; + for (var key in map) values.push(map[key]); + return values; +} + +var entries = function(map) { + var entries = []; + for (var key in map) entries.push({key: key, value: map[key]}); + return entries; +} + +var uniform = function(min, max) { + min = min == null ? 0 : +min; + max = max == null ? 1 : +max; + if (arguments.length === 1) max = min, min = 0; + else max -= min; + return function() { + return Math.random() * max + min; + }; +} + +var normal = function(mu, sigma) { + var x, r; + mu = mu == null ? 0 : +mu; + sigma = sigma == null ? 1 : +sigma; + return function() { + var y; + + // If available, use the second previously-generated uniform random. + if (x != null) y = x, x = null; + + // Otherwise, generate a new x and y. + else do { + x = Math.random() * 2 - 1; + y = Math.random() * 2 - 1; + r = x * x + y * y; + } while (!r || r > 1); + + return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); }; +} - function set(object, f) { - var set = new Set; +var logNormal = function() { + var randomNormal = normal.apply(this, arguments); + return function() { + return Math.exp(randomNormal()); + }; +} - // Copy constructor. - if (object instanceof Set) object.each(function(value) { set.add(value); }); +var irwinHall = function(n) { + return function() { + for (var sum = 0, i = 0; i < n; ++i) sum += Math.random(); + return sum; + }; +} - // Otherwise, assume it’s an array. - else if (object) { - var i = -1, n = object.length; - if (f == null) while (++i < n) set.add(object[i]); - else while (++i < n) set.add(f(object[i], i, object)); - } +var bates = function(n) { + var randomIrwinHall = irwinHall(n); + return function() { + return randomIrwinHall() / n; + }; +} - return set; - } +var exponential = function(lambda) { + return function() { + return -Math.log(1 - Math.random()) / lambda; + }; +} - function keys(map) { - var keys = []; - for (var key in map) keys.push(key); - return keys; - } +function linear(t) { + return +t; +} - function values(map) { - var values = []; - for (var key in map) values.push(map[key]); - return values; - } +function quadIn(t) { + return t * t; +} - function entries(map) { - var entries = []; - for (var key in map) entries.push({key: key, value: map[key]}); - return entries; - } +function quadOut(t) { + return t * (2 - t); +} - function uniform(min, max) { - min = min == null ? 0 : +min; - max = max == null ? 1 : +max; - if (arguments.length === 1) max = min, min = 0; - else max -= min; - return function() { - return Math.random() * max + min; - }; - } +function quadInOut(t) { + return ((t *= 2) <= 1 ? t * t : --t * (2 - t) + 1) / 2; +} - function normal(mu, sigma) { - var x, r; - mu = mu == null ? 0 : +mu; - sigma = sigma == null ? 1 : +sigma; - return function() { - var y; +function cubicIn(t) { + return t * t * t; +} - // If available, use the second previously-generated uniform random. - if (x != null) y = x, x = null; +function cubicOut(t) { + return --t * t * t + 1; +} - // Otherwise, generate a new x and y. - else do { - x = Math.random() * 2 - 1; - y = Math.random() * 2 - 1; - r = x * x + y * y; - } while (!r || r > 1); +function cubicInOut(t) { + return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2; +} - return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); - }; - } +var exponent = 3; - function logNormal() { - var randomNormal = normal.apply(this, arguments); - return function() { - return Math.exp(randomNormal()); - }; - } +var polyIn = (function custom(e) { + e = +e; - function irwinHall(n) { - return function() { - for (var sum = 0, i = 0; i < n; ++i) sum += Math.random(); - return sum; - }; + function polyIn(t) { + return Math.pow(t, e); } - function bates(n) { - var randomIrwinHall = irwinHall(n); - return function() { - return randomIrwinHall() / n; - }; - } + polyIn.exponent = custom; - function exponential(lambda) { - return function() { - return -Math.log(1 - Math.random()) / lambda; - }; - } + return polyIn; +})(exponent); - function linear(t) { - return +t; - } +var polyOut = (function custom(e) { + e = +e; - function quadIn(t) { - return t * t; + function polyOut(t) { + return 1 - Math.pow(1 - t, e); } - function quadOut(t) { - return t * (2 - t); - } + polyOut.exponent = custom; - function quadInOut(t) { - return ((t *= 2) <= 1 ? t * t : --t * (2 - t) + 1) / 2; - } + return polyOut; +})(exponent); - function cubicIn(t) { - return t * t * t; - } +var polyInOut = (function custom(e) { + e = +e; - function cubicOut(t) { - return --t * t * t + 1; + function polyInOut(t) { + return ((t *= 2) <= 1 ? Math.pow(t, e) : 2 - Math.pow(2 - t, e)) / 2; } - function easeCubicInOut(t) { - return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2; - } + polyInOut.exponent = custom; - var exponent = 3; + return polyInOut; +})(exponent); - var polyIn = (function custom(e) { - e = +e; +var pi = Math.PI; +var halfPi = pi / 2; - function polyIn(t) { - return Math.pow(t, e); - } +function sinIn(t) { + return 1 - Math.cos(t * halfPi); +} - polyIn.exponent = custom; +function sinOut(t) { + return Math.sin(t * halfPi); +} - return polyIn; - })(exponent); +function sinInOut(t) { + return (1 - Math.cos(pi * t)) / 2; +} - var polyOut = (function custom(e) { - e = +e; +function expIn(t) { + return Math.pow(2, 10 * t - 10); +} - function polyOut(t) { - return 1 - Math.pow(1 - t, e); - } +function expOut(t) { + return 1 - Math.pow(2, -10 * t); +} - polyOut.exponent = custom; +function expInOut(t) { + return ((t *= 2) <= 1 ? Math.pow(2, 10 * t - 10) : 2 - Math.pow(2, 10 - 10 * t)) / 2; +} - return polyOut; - })(exponent); +function circleIn(t) { + return 1 - Math.sqrt(1 - t * t); +} - var polyInOut = (function custom(e) { - e = +e; +function circleOut(t) { + return Math.sqrt(1 - --t * t); +} - function polyInOut(t) { - return ((t *= 2) <= 1 ? Math.pow(t, e) : 2 - Math.pow(2 - t, e)) / 2; - } +function circleInOut(t) { + return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2; +} - polyInOut.exponent = custom; +var b1 = 4 / 11; +var b2 = 6 / 11; +var b3 = 8 / 11; +var b4 = 3 / 4; +var b5 = 9 / 11; +var b6 = 10 / 11; +var b7 = 15 / 16; +var b8 = 21 / 22; +var b9 = 63 / 64; +var b0 = 1 / b1 / b1; - return polyInOut; - })(exponent); +function bounceIn(t) { + return 1 - bounceOut(1 - t); +} - var pi = Math.PI; - var halfPi = pi / 2; - function sinIn(t) { - return 1 - Math.cos(t * halfPi); - } +function bounceOut(t) { + return (t = +t) < b1 ? b0 * t * t : t < b3 ? b0 * (t -= b2) * t + b4 : t < b6 ? b0 * (t -= b5) * t + b7 : b0 * (t -= b8) * t + b9; +} - function sinOut(t) { - return Math.sin(t * halfPi); - } +function bounceInOut(t) { + return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2; +} - function sinInOut(t) { - return (1 - Math.cos(pi * t)) / 2; - } +var overshoot = 1.70158; - function expIn(t) { - return Math.pow(2, 10 * t - 10); - } +var backIn = (function custom(s) { + s = +s; - function expOut(t) { - return 1 - Math.pow(2, -10 * t); + function backIn(t) { + return t * t * ((s + 1) * t - s); } - function expInOut(t) { - return ((t *= 2) <= 1 ? Math.pow(2, 10 * t - 10) : 2 - Math.pow(2, 10 - 10 * t)) / 2; - } + backIn.overshoot = custom; - function circleIn(t) { - return 1 - Math.sqrt(1 - t * t); - } + return backIn; +})(overshoot); - function circleOut(t) { - return Math.sqrt(1 - --t * t); - } +var backOut = (function custom(s) { + s = +s; - function circleInOut(t) { - return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2; + function backOut(t) { + return --t * t * ((s + 1) * t + s) + 1; } - var b1 = 4 / 11; - var b2 = 6 / 11; - var b3 = 8 / 11; - var b4 = 3 / 4; - var b5 = 9 / 11; - var b6 = 10 / 11; - var b7 = 15 / 16; - var b8 = 21 / 22; - var b9 = 63 / 64; - var b0 = 1 / b1 / b1; - function bounceIn(t) { - return 1 - bounceOut(1 - t); - } + backOut.overshoot = custom; - function bounceOut(t) { - return (t = +t) < b1 ? b0 * t * t : t < b3 ? b0 * (t -= b2) * t + b4 : t < b6 ? b0 * (t -= b5) * t + b7 : b0 * (t -= b8) * t + b9; - } + return backOut; +})(overshoot); + +var backInOut = (function custom(s) { + s = +s; - function bounceInOut(t) { - return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2; + function backInOut(t) { + return ((t *= 2) < 1 ? t * t * ((s + 1) * t - s) : (t -= 2) * t * ((s + 1) * t + s) + 2) / 2; } - var overshoot = 1.70158; + backInOut.overshoot = custom; - var backIn = (function custom(s) { - s = +s; + return backInOut; +})(overshoot); - function backIn(t) { - return t * t * ((s + 1) * t - s); - } +var tau = 2 * Math.PI; +var amplitude = 1; +var period = 0.3; - backIn.overshoot = custom; +var elasticIn = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); - return backIn; - })(overshoot); + function elasticIn(t) { + return a * Math.pow(2, 10 * --t) * Math.sin((s - t) / p); + } - var backOut = (function custom(s) { - s = +s; + elasticIn.amplitude = function(a) { return custom(a, p * tau); }; + elasticIn.period = function(p) { return custom(a, p); }; - function backOut(t) { - return --t * t * ((s + 1) * t + s) + 1; - } + return elasticIn; +})(amplitude, period); - backOut.overshoot = custom; +var elasticOut = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); - return backOut; - })(overshoot); + function elasticOut(t) { + return 1 - a * Math.pow(2, -10 * (t = +t)) * Math.sin((t + s) / p); + } - var backInOut = (function custom(s) { - s = +s; + elasticOut.amplitude = function(a) { return custom(a, p * tau); }; + elasticOut.period = function(p) { return custom(a, p); }; - function backInOut(t) { - return ((t *= 2) < 1 ? t * t * ((s + 1) * t - s) : (t -= 2) * t * ((s + 1) * t + s) + 2) / 2; - } + return elasticOut; +})(amplitude, period); - backInOut.overshoot = custom; +var elasticInOut = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); - return backInOut; - })(overshoot); + function elasticInOut(t) { + return ((t = t * 2 - 1) < 0 + ? a * Math.pow(2, 10 * t) * Math.sin((s - t) / p) + : 2 - a * Math.pow(2, -10 * t) * Math.sin((s + t) / p)) / 2; + } - var tau = 2 * Math.PI; - var amplitude = 1; - var period = 0.3; - var elasticIn = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); + elasticInOut.amplitude = function(a) { return custom(a, p * tau); }; + elasticInOut.period = function(p) { return custom(a, p); }; - function elasticIn(t) { - return a * Math.pow(2, 10 * --t) * Math.sin((s - t) / p); - } + return elasticInOut; +})(amplitude, period); - elasticIn.amplitude = function(a) { return custom(a, p * tau); }; - elasticIn.period = function(p) { return custom(a, p); }; +var area = function(polygon) { + var i = -1, + n = polygon.length, + a, + b = polygon[n - 1], + area = 0; - return elasticIn; - })(amplitude, period); + while (++i < n) { + a = b; + b = polygon[i]; + area += a[1] * b[0] - a[0] * b[1]; + } - var elasticOut = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); + return area / 2; +} - function elasticOut(t) { - return 1 - a * Math.pow(2, -10 * (t = +t)) * Math.sin((t + s) / p); - } +var centroid = function(polygon) { + var i = -1, + n = polygon.length, + x = 0, + y = 0, + a, + b = polygon[n - 1], + c, + k = 0; - elasticOut.amplitude = function(a) { return custom(a, p * tau); }; - elasticOut.period = function(p) { return custom(a, p); }; + while (++i < n) { + a = b; + b = polygon[i]; + k += c = a[0] * b[1] - b[0] * a[1]; + x += (a[0] + b[0]) * c; + y += (a[1] + b[1]) * c; + } - return elasticOut; - })(amplitude, period); + return k *= 3, [x / k, y / k]; +} - var elasticInOut = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); +// Returns the 2D cross product of AB and AC vectors, i.e., the z-component of +// the 3D cross product in a quadrant I Cartesian coordinate system (+x is +// right, +y is up). Returns a positive value if ABC is counter-clockwise, +// negative if clockwise, and zero if the points are collinear. +var cross = function(a, b, c) { + return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); +} - function elasticInOut(t) { - return ((t = t * 2 - 1) < 0 - ? a * Math.pow(2, 10 * t) * Math.sin((s - t) / p) - : 2 - a * Math.pow(2, -10 * t) * Math.sin((s + t) / p)) / 2; - } +function lexicographicOrder(a, b) { + return a[0] - b[0] || a[1] - b[1]; +} - elasticInOut.amplitude = function(a) { return custom(a, p * tau); }; - elasticInOut.period = function(p) { return custom(a, p); }; +// Computes the upper convex hull per the monotone chain algorithm. +// Assumes points.length >= 3, is sorted by x, unique in y. +// Returns an array of indices into points in left-to-right order. +function computeUpperHullIndexes(points) { + var n = points.length, + indexes = [0, 1], + size = 2; + + for (var i = 2; i < n; ++i) { + while (size > 1 && cross(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size; + indexes[size++] = i; + } + + return indexes.slice(0, size); // remove popped points +} + +var hull = function(points) { + if ((n = points.length) < 3) return null; + + var i, + n, + sortedPoints = new Array(n), + flippedPoints = new Array(n); + + for (i = 0; i < n; ++i) sortedPoints[i] = [+points[i][0], +points[i][1], i]; + sortedPoints.sort(lexicographicOrder); + for (i = 0; i < n; ++i) flippedPoints[i] = [sortedPoints[i][0], -sortedPoints[i][1]]; + + var upperIndexes = computeUpperHullIndexes(sortedPoints), + lowerIndexes = computeUpperHullIndexes(flippedPoints); + + // Construct the hull polygon, removing possible duplicate endpoints. + var skipLeft = lowerIndexes[0] === upperIndexes[0], + skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1], + hull = []; + + // Add upper hull in right-to-l order. + // Then add lower hull in left-to-right order. + for (i = upperIndexes.length - 1; i >= 0; --i) hull.push(points[sortedPoints[upperIndexes[i]][2]]); + for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]); + + return hull; +} + +var contains = function(polygon, point) { + var n = polygon.length, + p = polygon[n - 1], + x = point[0], y = point[1], + x0 = p[0], y0 = p[1], + x1, y1, + inside = false; + + for (var i = 0; i < n; ++i) { + p = polygon[i], x1 = p[0], y1 = p[1]; + if (((y1 > y) !== (y0 > y)) && (x < (x0 - x1) * (y - y1) / (y0 - y1) + x1)) inside = !inside; + x0 = x1, y0 = y1; + } + + return inside; +} + +var length$1 = function(polygon) { + var i = -1, + n = polygon.length, + b = polygon[n - 1], + xa, + ya, + xb = b[0], + yb = b[1], + perimeter = 0; + + while (++i < n) { + xa = xb; + ya = yb; + b = polygon[i]; + xb = b[0]; + yb = b[1]; + xa -= xb; + ya -= yb; + perimeter += Math.sqrt(xa * xa + ya * ya); + } + + return perimeter; +} + +var pi$1 = Math.PI; +var tau$1 = 2 * pi$1; +var epsilon = 1e-6; +var tauEpsilon = tau$1 - epsilon; + +function Path() { + this._x0 = this._y0 = // start of current subpath + this._x1 = this._y1 = null; // end of current subpath + this._ = []; +} + +function path() { + return new Path; +} + +Path.prototype = path.prototype = { + constructor: Path, + moveTo: function(x, y) { + this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y); + }, + closePath: function() { + if (this._x1 !== null) { + this._x1 = this._x0, this._y1 = this._y0; + this._.push("Z"); + } + }, + lineTo: function(x, y) { + this._.push("L", this._x1 = +x, ",", this._y1 = +y); + }, + quadraticCurveTo: function(x1, y1, x, y) { + this._.push("Q", +x1, ",", +y1, ",", this._x1 = +x, ",", this._y1 = +y); + }, + bezierCurveTo: function(x1, y1, x2, y2, x, y) { + this._.push("C", +x1, ",", +y1, ",", +x2, ",", +y2, ",", this._x1 = +x, ",", this._y1 = +y); + }, + arcTo: function(x1, y1, x2, y2, r) { + x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r; + var x0 = this._x1, + y0 = this._y1, + x21 = x2 - x1, + y21 = y2 - y1, + x01 = x0 - x1, + y01 = y0 - y1, + l01_2 = x01 * x01 + y01 * y01; - return elasticInOut; - })(amplitude, period); + // Is the radius negative? Error. + if (r < 0) throw new Error("negative radius: " + r); - function area(polygon) { - var i = -1, - n = polygon.length, - a, - b = polygon[n - 1], - area = 0; + // Is this path empty? Move to (x1,y1). + if (this._x1 === null) { + this._.push( + "M", this._x1 = x1, ",", this._y1 = y1 + ); + } - while (++i < n) { - a = b; - b = polygon[i]; - area += a[1] * b[0] - a[0] * b[1]; + // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. + else if (!(l01_2 > epsilon)) {} + + // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? + // Equivalently, is (x1,y1) coincident with (x2,y2)? + // Or, is the radius zero? Line to (x1,y1). + else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon) || !r) { + this._.push( + "L", this._x1 = x1, ",", this._y1 = y1 + ); } - return area / 2; - } + // Otherwise, draw an arc! + else { + var x20 = x2 - x0, + y20 = y2 - y0, + l21_2 = x21 * x21 + y21 * y21, + l20_2 = x20 * x20 + y20 * y20, + l21 = Math.sqrt(l21_2), + l01 = Math.sqrt(l01_2), + l = r * Math.tan((pi$1 - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2), + t01 = l / l01, + t21 = l / l21; + + // If the start tangent is not coincident with (x0,y0), line to. + if (Math.abs(t01 - 1) > epsilon) { + this._.push( + "L", x1 + t01 * x01, ",", y1 + t01 * y01 + ); + } - function centroid(polygon) { - var i = -1, - n = polygon.length, - x = 0, - y = 0, - a, - b = polygon[n - 1], - c, - k = 0; + this._.push( + "A", r, ",", r, ",0,0,", +(y01 * x20 > x01 * y20), ",", this._x1 = x1 + t21 * x21, ",", this._y1 = y1 + t21 * y21 + ); + } + }, + arc: function(x, y, r, a0, a1, ccw) { + x = +x, y = +y, r = +r; + var dx = r * Math.cos(a0), + dy = r * Math.sin(a0), + x0 = x + dx, + y0 = y + dy, + cw = 1 ^ ccw, + da = ccw ? a0 - a1 : a1 - a0; + + // Is the radius negative? Error. + if (r < 0) throw new Error("negative radius: " + r); + + // Is this path empty? Move to (x0,y0). + if (this._x1 === null) { + this._.push( + "M", x0, ",", y0 + ); + } - while (++i < n) { - a = b; - b = polygon[i]; - k += c = a[0] * b[1] - b[0] * a[1]; - x += (a[0] + b[0]) * c; - y += (a[1] + b[1]) * c; + // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). + else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) { + this._.push( + "L", x0, ",", y0 + ); } - return k *= 3, [x / k, y / k]; - } + // Is this arc empty? We’re done. + if (!r) return; - // Returns the 2D cross product of AB and AC vectors, i.e., the z-component of - // the 3D cross product in a quadrant I Cartesian coordinate system (+x is - // right, +y is up). Returns a positive value if ABC is counter-clockwise, - // negative if clockwise, and zero if the points are collinear. - function cross(a, b, c) { - return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); - } - - function lexicographicOrder(a, b) { - return a[0] - b[0] || a[1] - b[1]; - } - - // Computes the upper convex hull per the monotone chain algorithm. - // Assumes points.length >= 3, is sorted by x, unique in y. - // Returns an array of indices into points in left-to-right order. - function computeUpperHullIndexes(points) { - var n = points.length, - indexes = [0, 1], - size = 2; - - for (var i = 2; i < n; ++i) { - while (size > 1 && cross(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size; - indexes[size++] = i; + // Is this a complete circle? Draw two arcs to complete the circle. + if (da > tauEpsilon) { + this._.push( + "A", r, ",", r, ",0,1,", cw, ",", x - dx, ",", y - dy, + "A", r, ",", r, ",0,1,", cw, ",", this._x1 = x0, ",", this._y1 = y0 + ); } - return indexes.slice(0, size); // remove popped points + // Otherwise, draw an arc! + else { + if (da < 0) da = da % tau$1 + tau$1; + this._.push( + "A", r, ",", r, ",0,", +(da >= pi$1), ",", cw, ",", this._x1 = x + r * Math.cos(a1), ",", this._y1 = y + r * Math.sin(a1) + ); + } + }, + rect: function(x, y, w, h) { + this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y, "h", +w, "v", +h, "h", -w, "Z"); + }, + toString: function() { + return this._.join(""); + } +}; + +var tree_add = function(d) { + var x = +this._x.call(null, d), + y = +this._y.call(null, d); + return add(this.cover(x, y), x, y, d); +} + +function add(tree, x, y, d) { + if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points + + var parent, + node = tree._root, + leaf = {data: d}, + x0 = tree._x0, + y0 = tree._y0, + x1 = tree._x1, + y1 = tree._y1, + xm, + ym, + xp, + yp, + right, + bottom, + i, + j; + + // If the tree is empty, initialize the root as a leaf. + if (!node) return tree._root = leaf, tree; + + // Find the existing leaf for the new point, or add it. + while (node.length) { + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree; + } + + // Is the new point is exactly coincident with the existing point? + xp = +tree._x.call(null, node.data); + yp = +tree._y.call(null, node.data); + if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree; + + // Otherwise, split the leaf node until the old and new point are separated. + do { + parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4); + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm))); + return parent[j] = node, parent[i] = leaf, tree; +} + +function addAll(data) { + var d, i, n = data.length, + x, + y, + xz = new Array(n), + yz = new Array(n), + x0 = Infinity, + y0 = Infinity, + x1 = -Infinity, + y1 = -Infinity; + + // Compute the points and their extent. + for (i = 0; i < n; ++i) { + if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue; + xz[i] = x; + yz[i] = y; + if (x < x0) x0 = x; + if (x > x1) x1 = x; + if (y < y0) y0 = y; + if (y > y1) y1 = y; } - function hull(points) { - if ((n = points.length) < 3) return null; + // If there were no (valid) points, inherit the existing extent. + if (x1 < x0) x0 = this._x0, x1 = this._x1; + if (y1 < y0) y0 = this._y0, y1 = this._y1; - var i, - n, - sortedPoints = new Array(n), - flippedPoints = new Array(n); + // Expand the tree to cover the new points. + this.cover(x0, y0).cover(x1, y1); - for (i = 0; i < n; ++i) sortedPoints[i] = [+points[i][0], +points[i][1], i]; - sortedPoints.sort(lexicographicOrder); - for (i = 0; i < n; ++i) flippedPoints[i] = [sortedPoints[i][0], -sortedPoints[i][1]]; + // Add the new points. + for (i = 0; i < n; ++i) { + add(this, xz[i], yz[i], data[i]); + } - var upperIndexes = computeUpperHullIndexes(sortedPoints), - lowerIndexes = computeUpperHullIndexes(flippedPoints); + return this; +} - // Construct the hull polygon, removing possible duplicate endpoints. - var skipLeft = lowerIndexes[0] === upperIndexes[0], - skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1], - hull = []; +var tree_cover = function(x, y) { + if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points - // Add upper hull in right-to-l order. - // Then add lower hull in left-to-right order. - for (i = upperIndexes.length - 1; i >= 0; --i) hull.push(points[sortedPoints[upperIndexes[i]][2]]); - for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]); + var x0 = this._x0, + y0 = this._y0, + x1 = this._x1, + y1 = this._y1; - return hull; + // If the quadtree has no extent, initialize them. + // Integer extent are necessary so that if we later double the extent, + // the existing quadrant boundaries don’t change due to floating point error! + if (isNaN(x0)) { + x1 = (x0 = Math.floor(x)) + 1; + y1 = (y0 = Math.floor(y)) + 1; } - function contains(polygon, point) { - var n = polygon.length, - p = polygon[n - 1], - x = point[0], y = point[1], - x0 = p[0], y0 = p[1], - x1, y1, - inside = false; + // Otherwise, double repeatedly to cover. + else if (x0 > x || x > x1 || y0 > y || y > y1) { + var z = x1 - x0, + node = this._root, + parent, + i; - for (var i = 0; i < n; ++i) { - p = polygon[i], x1 = p[0], y1 = p[1]; - if (((y1 > y) !== (y0 > y)) && (x < (x0 - x1) * (y - y1) / (y0 - y1) + x1)) inside = !inside; - x0 = x1, y0 = y1; + switch (i = (y < (y0 + y1) / 2) << 1 | (x < (x0 + x1) / 2)) { + case 0: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x1 = x0 + z, y1 = y0 + z, x > x1 || y > y1); + break; + } + case 1: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x0 = x1 - z, y1 = y0 + z, x0 > x || y > y1); + break; + } + case 2: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x1 = x0 + z, y0 = y1 - z, x > x1 || y0 > y); + break; + } + case 3: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x0 = x1 - z, y0 = y1 - z, x0 > x || y0 > y); + break; + } } - return inside; + if (this._root && this._root.length) this._root = node; } - function length$1(polygon) { - var i = -1, - n = polygon.length, - b = polygon[n - 1], - xa, - ya, - xb = b[0], - yb = b[1], - perimeter = 0; + // If the quadtree covers the point already, just return. + else return this; - while (++i < n) { - xa = xb; - ya = yb; - b = polygon[i]; - xb = b[0]; - yb = b[1]; - xa -= xb; - ya -= yb; - perimeter += Math.sqrt(xa * xa + ya * ya); + this._x0 = x0; + this._y0 = y0; + this._x1 = x1; + this._y1 = y1; + return this; +} + +var tree_data = function() { + var data = []; + this.visit(function(node) { + if (!node.length) do data.push(node.data); while (node = node.next) + }); + return data; +} + +var tree_extent = function(_) { + return arguments.length + ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) + : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; +} + +var Quad = function(node, x0, y0, x1, y1) { + this.node = node; + this.x0 = x0; + this.y0 = y0; + this.x1 = x1; + this.y1 = y1; +} + +var tree_find = function(x, y, radius) { + var data, + x0 = this._x0, + y0 = this._y0, + x1, + y1, + x2, + y2, + x3 = this._x1, + y3 = this._y1, + quads = [], + node = this._root, + q, + i; + + if (node) quads.push(new Quad(node, x0, y0, x3, y3)); + if (radius == null) radius = Infinity; + else { + x0 = x - radius, y0 = y - radius; + x3 = x + radius, y3 = y + radius; + radius *= radius; + } + + while (q = quads.pop()) { + + // Stop searching if this quadrant can’t contain a closer node. + if (!(node = q.node) + || (x1 = q.x0) > x3 + || (y1 = q.y0) > y3 + || (x2 = q.x1) < x0 + || (y2 = q.y1) < y0) continue; + + // Bisect the current quadrant. + if (node.length) { + var xm = (x1 + x2) / 2, + ym = (y1 + y2) / 2; + + quads.push( + new Quad(node[3], xm, ym, x2, y2), + new Quad(node[2], x1, ym, xm, y2), + new Quad(node[1], xm, y1, x2, ym), + new Quad(node[0], x1, y1, xm, ym) + ); + + // Visit the closest quadrant first. + if (i = (y >= ym) << 1 | (x >= xm)) { + q = quads[quads.length - 1]; + quads[quads.length - 1] = quads[quads.length - 1 - i]; + quads[quads.length - 1 - i] = q; + } } - return perimeter; + // Visit this point. (Visiting coincident points isn’t necessary!) + else { + var dx = x - +this._x.call(null, node.data), + dy = y - +this._y.call(null, node.data), + d2 = dx * dx + dy * dy; + if (d2 < radius) { + var d = Math.sqrt(radius = d2); + x0 = x - d, y0 = y - d; + x3 = x + d, y3 = y + d; + data = node.data; + } + } + } + + return data; +} + +var tree_remove = function(d) { + if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points + + var parent, + node = this._root, + retainer, + previous, + next, + x0 = this._x0, + y0 = this._y0, + x1 = this._x1, + y1 = this._y1, + x, + y, + xm, + ym, + right, + bottom, + i, + j; + + // If the tree is empty, initialize the root as a leaf. + if (!node) return this; + + // Find the leaf node for the point. + // While descending, also retain the deepest parent with a non-removed sibling. + if (node.length) while (true) { + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + if (!(parent = node, node = node[i = bottom << 1 | right])) return this; + if (!node.length) break; + if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i; + } + + // Find the point to remove. + while (node.data !== d) if (!(previous = node, node = node.next)) return this; + if (next = node.next) delete node.next; + + // If there are multiple coincident points, remove just the point. + if (previous) return (next ? previous.next = next : delete previous.next), this; + + // If this is the root point, remove it. + if (!parent) return this._root = next, this; + + // Remove this leaf. + next ? parent[i] = next : delete parent[i]; + + // If the parent now contains exactly one leaf, collapse superfluous parents. + if ((node = parent[0] || parent[1] || parent[2] || parent[3]) + && node === (parent[3] || parent[2] || parent[1] || parent[0]) + && !node.length) { + if (retainer) retainer[j] = node; + else this._root = node; + } + + return this; +} + +function removeAll(data) { + for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); + return this; +} + +var tree_root = function() { + return this._root; +} + +var tree_size = function() { + var size = 0; + this.visit(function(node) { + if (!node.length) do ++size; while (node = node.next) + }); + return size; +} + +var tree_visit = function(callback) { + var quads = [], q, node = this._root, child, x0, y0, x1, y1; + if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); + while (q = quads.pop()) { + if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) { + var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; + if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); + if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); + if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); + if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); + } + } + return this; +} + +var tree_visitAfter = function(callback) { + var quads = [], next = [], q; + if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); + while (q = quads.pop()) { + var node = q.node; + if (node.length) { + var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; + if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); + if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); + if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); + if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); + } + next.push(q); + } + while (q = next.pop()) { + callback(q.node, q.x0, q.y0, q.x1, q.y1); + } + return this; +} + +function defaultX(d) { + return d[0]; +} + +var tree_x = function(_) { + return arguments.length ? (this._x = _, this) : this._x; +} + +function defaultY(d) { + return d[1]; +} + +var tree_y = function(_) { + return arguments.length ? (this._y = _, this) : this._y; +} + +function quadtree(nodes, x, y) { + var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); + return nodes == null ? tree : tree.addAll(nodes); +} + +function Quadtree(x, y, x0, y0, x1, y1) { + this._x = x; + this._y = y; + this._x0 = x0; + this._y0 = y0; + this._x1 = x1; + this._y1 = y1; + this._root = undefined; +} + +function leaf_copy(leaf) { + var copy = {data: leaf.data}, next = copy; + while (leaf = leaf.next) next = next.next = {data: leaf.data}; + return copy; +} + +var treeProto = quadtree.prototype = Quadtree.prototype; + +treeProto.copy = function() { + var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), + node = this._root, + nodes, + child; + + if (!node) return copy; + + if (!node.length) return copy._root = leaf_copy(node), copy; + + nodes = [{source: node, target: copy._root = new Array(4)}]; + while (node = nodes.pop()) { + for (var i = 0; i < 4; ++i) { + if (child = node.source[i]) { + if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)}); + else node.target[i] = leaf_copy(child); + } + } + } + + return copy; +}; + +treeProto.add = tree_add; +treeProto.addAll = addAll; +treeProto.cover = tree_cover; +treeProto.data = tree_data; +treeProto.extent = tree_extent; +treeProto.find = tree_find; +treeProto.remove = tree_remove; +treeProto.removeAll = removeAll; +treeProto.root = tree_root; +treeProto.size = tree_size; +treeProto.visit = tree_visit; +treeProto.visitAfter = tree_visitAfter; +treeProto.x = tree_x; +treeProto.y = tree_y; + +var slice$1 = [].slice; + +var noabort = {}; + +function Queue(size) { + if (!(size >= 1)) throw new Error; + this._size = size; + this._call = + this._error = null; + this._tasks = []; + this._data = []; + this._waiting = + this._active = + this._ended = + this._start = 0; // inside a synchronous task callback? +} + +Queue.prototype = queue.prototype = { + constructor: Queue, + defer: function(callback) { + if (typeof callback !== "function" || this._call) throw new Error; + if (this._error != null) return this; + var t = slice$1.call(arguments, 1); + t.push(callback); + ++this._waiting, this._tasks.push(t); + poke(this); + return this; + }, + abort: function() { + if (this._error == null) abort(this, new Error("abort")); + return this; + }, + await: function(callback) { + if (typeof callback !== "function" || this._call) throw new Error; + this._call = function(error, results) { callback.apply(null, [error].concat(results)); }; + maybeNotify(this); + return this; + }, + awaitAll: function(callback) { + if (typeof callback !== "function" || this._call) throw new Error; + this._call = callback; + maybeNotify(this); + return this; } +}; + +function poke(q) { + if (!q._start) { + try { start(q); } // let the current task complete + catch (e) { + if (q._tasks[q._ended + q._active - 1]) abort(q, e); // task errored synchronously + else if (!q._data) throw e; // await callback errored synchronously + } + } +} + +function start(q) { + while (q._start = q._waiting && q._active < q._size) { + var i = q._ended + q._active, + t = q._tasks[i], + j = t.length - 1, + c = t[j]; + t[j] = end(q, i); + --q._waiting, ++q._active; + t = c.apply(null, t); + if (!q._tasks[i]) continue; // task finished synchronously + q._tasks[i] = t || noabort; + } +} + +function end(q, i) { + return function(e, r) { + if (!q._tasks[i]) return; // ignore multiple callbacks + --q._active, ++q._ended; + q._tasks[i] = null; + if (q._error != null) return; // ignore secondary errors + if (e != null) { + abort(q, e); + } else { + q._data[i] = r; + if (q._waiting) poke(q); + else maybeNotify(q); + } + }; +} -var pi$1 = Math.PI; -var tau$1 = 2 * pi$1; - var epsilon = 1e-6; - var tauEpsilon = tau$1 - epsilon; - function Path() { - this._x0 = this._y0 = // start of current subpath - this._x1 = this._y1 = null; // end of current subpath - this._ = []; - } +function abort(q, e) { + var i = q._tasks.length, t; + q._error = e; // ignore active callbacks + q._data = undefined; // allow gc + q._waiting = NaN; // prevent starting - function path() { - return new Path; + while (--i >= 0) { + if (t = q._tasks[i]) { + q._tasks[i] = null; + if (t.abort) { + try { t.abort(); } + catch (e) { /* ignore */ } + } + } } - Path.prototype = path.prototype = { - constructor: Path, - moveTo: function(x, y) { - this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y); - }, - closePath: function() { - if (this._x1 !== null) { - this._x1 = this._x0, this._y1 = this._y0; - this._.push("Z"); - } - }, - lineTo: function(x, y) { - this._.push("L", this._x1 = +x, ",", this._y1 = +y); - }, - quadraticCurveTo: function(x1, y1, x, y) { - this._.push("Q", +x1, ",", +y1, ",", this._x1 = +x, ",", this._y1 = +y); - }, - bezierCurveTo: function(x1, y1, x2, y2, x, y) { - this._.push("C", +x1, ",", +y1, ",", +x2, ",", +y2, ",", this._x1 = +x, ",", this._y1 = +y); - }, - arcTo: function(x1, y1, x2, y2, r) { - x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r; - var x0 = this._x1, - y0 = this._y1, - x21 = x2 - x1, - y21 = y2 - y1, - x01 = x0 - x1, - y01 = y0 - y1, - l01_2 = x01 * x01 + y01 * y01; - - // Is the radius negative? Error. - if (r < 0) throw new Error("negative radius: " + r); - - // Is this path empty? Move to (x1,y1). - if (this._x1 === null) { - this._.push( - "M", this._x1 = x1, ",", this._y1 = y1 - ); - } + q._active = NaN; // allow notification + maybeNotify(q); +} - // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. - else if (!(l01_2 > epsilon)); +function maybeNotify(q) { + if (!q._active && q._call) { + var d = q._data; + q._data = undefined; // allow gc + q._call(q._error, d); + } +} - // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? - // Equivalently, is (x1,y1) coincident with (x2,y2)? - // Or, is the radius zero? Line to (x1,y1). - else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon) || !r) { - this._.push( - "L", this._x1 = x1, ",", this._y1 = y1 - ); - } +function queue(concurrency) { + return new Queue(arguments.length ? +concurrency : Infinity); +} - // Otherwise, draw an arc! - else { - var x20 = x2 - x0, - y20 = y2 - y0, - l21_2 = x21 * x21 + y21 * y21, - l20_2 = x20 * x20 + y20 * y20, - l21 = Math.sqrt(l21_2), - l01 = Math.sqrt(l01_2), - l = r * Math.tan((pi$1 - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2), - t01 = l / l01, - t21 = l / l21; - - // If the start tangent is not coincident with (x0,y0), line to. - if (Math.abs(t01 - 1) > epsilon) { - this._.push( - "L", x1 + t01 * x01, ",", y1 + t01 * y01 - ); - } +var constant$2 = function(x) { + return function constant() { + return x; + }; +} + +var epsilon$1 = 1e-12; +var pi$2 = Math.PI; +var halfPi$1 = pi$2 / 2; +var tau$2 = 2 * pi$2; + +function arcInnerRadius(d) { + return d.innerRadius; +} + +function arcOuterRadius(d) { + return d.outerRadius; +} + +function arcStartAngle(d) { + return d.startAngle; +} + +function arcEndAngle(d) { + return d.endAngle; +} + +function arcPadAngle(d) { + return d && d.padAngle; // Note: optional! +} + +function asin(x) { + return x >= 1 ? halfPi$1 : x <= -1 ? -halfPi$1 : Math.asin(x); +} + +function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { + var x10 = x1 - x0, y10 = y1 - y0, + x32 = x3 - x2, y32 = y3 - y2, + t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / (y32 * x10 - x32 * y10); + return [x0 + t * x10, y0 + t * y10]; +} + +// Compute perpendicular offset line of length rc. +// http://mathworld.wolfram.com/Circle-LineIntersection.html +function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { + var x01 = x0 - x1, + y01 = y0 - y1, + lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), + ox = lo * y01, + oy = -lo * x01, + x11 = x0 + ox, + y11 = y0 + oy, + x10 = x1 + ox, + y10 = y1 + oy, + x00 = (x11 + x10) / 2, + y00 = (y11 + y10) / 2, + dx = x10 - x11, + dy = y10 - y11, + d2 = dx * dx + dy * dy, + r = r1 - rc, + D = x11 * y10 - x10 * y11, + d = (dy < 0 ? -1 : 1) * Math.sqrt(Math.max(0, r * r * d2 - D * D)), + cx0 = (D * dy - dx * d) / d2, + cy0 = (-D * dx - dy * d) / d2, + cx1 = (D * dy + dx * d) / d2, + cy1 = (-D * dx + dy * d) / d2, + dx0 = cx0 - x00, + dy0 = cy0 - y00, + dx1 = cx1 - x00, + dy1 = cy1 - y00; + + // Pick the closer of the two intersection points. + // TODO Is there a faster way to determine which intersection to use? + if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; + + return { + cx: cx0, + cy: cy0, + x01: -ox, + y01: -oy, + x11: cx0 * (r1 / r - 1), + y11: cy0 * (r1 / r - 1) + }; +} + +var arc = function() { + var innerRadius = arcInnerRadius, + outerRadius = arcOuterRadius, + cornerRadius = constant$2(0), + padRadius = null, + startAngle = arcStartAngle, + endAngle = arcEndAngle, + padAngle = arcPadAngle, + context = null; - this._.push( - "A", r, ",", r, ",0,0,", +(y01 * x20 > x01 * y20), ",", this._x1 = x1 + t21 * x21, ",", this._y1 = y1 + t21 * y21 - ); - } - }, - arc: function(x, y, r, a0, a1, ccw) { - x = +x, y = +y, r = +r; - var dx = r * Math.cos(a0), - dy = r * Math.sin(a0), - x0 = x + dx, - y0 = y + dy, - cw = 1 ^ ccw, - da = ccw ? a0 - a1 : a1 - a0; - - // Is the radius negative? Error. - if (r < 0) throw new Error("negative radius: " + r); - - // Is this path empty? Move to (x0,y0). - if (this._x1 === null) { - this._.push( - "M", x0, ",", y0 - ); - } + function arc() { + var buffer, + r, + r0 = +innerRadius.apply(this, arguments), + r1 = +outerRadius.apply(this, arguments), + a0 = startAngle.apply(this, arguments) - halfPi$1, + a1 = endAngle.apply(this, arguments) - halfPi$1, + da = Math.abs(a1 - a0), + cw = a1 > a0; - // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). - else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) { - this._.push( - "L", x0, ",", y0 - ); - } + if (!context) context = buffer = path(); - // Is this arc empty? We’re done. - if (!r) return; + // Ensure that the outer radius is always larger than the inner radius. + if (r1 < r0) r = r1, r1 = r0, r0 = r; - // Is this a complete circle? Draw two arcs to complete the circle. - if (da > tauEpsilon) { - this._.push( - "A", r, ",", r, ",0,1,", cw, ",", x - dx, ",", y - dy, - "A", r, ",", r, ",0,1,", cw, ",", this._x1 = x0, ",", this._y1 = y0 - ); - } + // Is it a point? + if (!(r1 > epsilon$1)) context.moveTo(0, 0); - // Otherwise, draw an arc! - else { - if (da < 0) da = da % tau$1 + tau$1; - this._.push( - "A", r, ",", r, ",0,", +(da >= pi$1), ",", cw, ",", this._x1 = x + r * Math.cos(a1), ",", this._y1 = y + r * Math.sin(a1) - ); + // Or is it a circle or annulus? + else if (da > tau$2 - epsilon$1) { + context.moveTo(r1 * Math.cos(a0), r1 * Math.sin(a0)); + context.arc(0, 0, r1, a0, a1, !cw); + if (r0 > epsilon$1) { + context.moveTo(r0 * Math.cos(a1), r0 * Math.sin(a1)); + context.arc(0, 0, r0, a1, a0, cw); } - }, - rect: function(x, y, w, h) { - this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y, "h", +w, "v", +h, "h", -w, "Z"); - }, - toString: function() { - return this._.join(""); } - }; - - function tree_add(d) { - var x = +this._x.call(null, d), - y = +this._y.call(null, d); - return add(this.cover(x, y), x, y, d); - } - function add(tree, x, y, d) { - if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points + // Or is it a circular or annular sector? + else { + var a01 = a0, + a11 = a1, + a00 = a0, + a10 = a1, + da0 = da, + da1 = da, + ap = padAngle.apply(this, arguments) / 2, + rp = (ap > epsilon$1) && (padRadius ? +padRadius.apply(this, arguments) : Math.sqrt(r0 * r0 + r1 * r1)), + rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments)), + rc0 = rc, + rc1 = rc, + t0, + t1; - var parent, - node = tree._root, - leaf = {data: d}, - x0 = tree._x0, - y0 = tree._y0, - x1 = tree._x1, - y1 = tree._y1, - xm, - ym, - xp, - yp, - right, - bottom, - i, - j; + // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0. + if (rp > epsilon$1) { + var p0 = asin(rp / r0 * Math.sin(ap)), + p1 = asin(rp / r1 * Math.sin(ap)); + if ((da0 -= p0 * 2) > epsilon$1) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0; + else da0 = 0, a00 = a10 = (a0 + a1) / 2; + if ((da1 -= p1 * 2) > epsilon$1) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1; + else da1 = 0, a01 = a11 = (a0 + a1) / 2; + } - // If the tree is empty, initialize the root as a leaf. - if (!node) return tree._root = leaf, tree; + var x01 = r1 * Math.cos(a01), + y01 = r1 * Math.sin(a01), + x10 = r0 * Math.cos(a10), + y10 = r0 * Math.sin(a10); - // Find the existing leaf for the new point, or add it. - while (node.length) { - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree; - } + // Apply rounded corners? + if (rc > epsilon$1) { + var x11 = r1 * Math.cos(a11), + y11 = r1 * Math.sin(a11), + x00 = r0 * Math.cos(a00), + y00 = r0 * Math.sin(a00); - // Is the new point is exactly coincident with the existing point? - xp = +tree._x.call(null, node.data); - yp = +tree._y.call(null, node.data); - if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree; + // Restrict the corner radius according to the sector angle. + if (da < pi$2) { + var oc = da0 > epsilon$1 ? intersect(x01, y01, x00, y00, x11, y11, x10, y10) : [x10, y10], + ax = x01 - oc[0], + ay = y01 - oc[1], + bx = x11 - oc[0], + by = y11 - oc[1], + kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), + lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]); + rc0 = Math.min(rc, (r0 - lc) / (kc - 1)); + rc1 = Math.min(rc, (r1 - lc) / (kc + 1)); + } + } - // Otherwise, split the leaf node until the old and new point are separated. - do { - parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4); - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm))); - return parent[j] = node, parent[i] = leaf, tree; - } + // Is the sector collapsed to a line? + if (!(da1 > epsilon$1)) context.moveTo(x01, y01); - function addAll(data) { - var d, i, n = data.length, - x, - y, - xz = new Array(n), - yz = new Array(n), - x0 = Infinity, - y0 = Infinity, - x1 = -Infinity, - y1 = -Infinity; - - // Compute the points and their extent. - for (i = 0; i < n; ++i) { - if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue; - xz[i] = x; - yz[i] = y; - if (x < x0) x0 = x; - if (x > x1) x1 = x; - if (y < y0) y0 = y; - if (y > y1) y1 = y; - } + // Does the sector’s outer ring have rounded corners? + else if (rc1 > epsilon$1) { + t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw); + t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw); - // If there were no (valid) points, inherit the existing extent. - if (x1 < x0) x0 = this._x0, x1 = this._x1; - if (y1 < y0) y0 = this._y0, y1 = this._y1; + context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01); - // Expand the tree to cover the new points. - this.cover(x0, y0).cover(x1, y1); + // Have the corners merged? + if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw); - // Add the new points. - for (i = 0; i < n; ++i) { - add(this, xz[i], yz[i], data[i]); - } + // Otherwise, draw the two corners and the ring. + else { + context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw); + context.arc(0, 0, r1, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), !cw); + context.arc(t1.cx, t1.cy, rc1, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw); + } + } - return this; - } + // Or is the outer ring just a circular arc? + else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw); - function tree_cover(x, y) { - if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points + // Is there no inner ring, and it’s a circular sector? + // Or perhaps it’s an annular sector collapsed due to padding? + if (!(r0 > epsilon$1) || !(da0 > epsilon$1)) context.lineTo(x10, y10); - var x0 = this._x0, - y0 = this._y0, - x1 = this._x1, - y1 = this._y1; + // Does the sector’s inner ring (or point) have rounded corners? + else if (rc0 > epsilon$1) { + t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw); + t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw); - // If the quadtree has no extent, initialize them. - // Integer extent are necessary so that if we later double the extent, - // the existing quadrant boundaries don’t change due to floating point error! - if (isNaN(x0)) { - x1 = (x0 = Math.floor(x)) + 1; - y1 = (y0 = Math.floor(y)) + 1; - } + context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01); - // Otherwise, double repeatedly to cover. - else if (x0 > x || x > x1 || y0 > y || y > y1) { - var z = x1 - x0, - node = this._root, - parent, - i; + // Have the corners merged? + if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw); - switch (i = (y < (y0 + y1) / 2) << 1 | (x < (x0 + x1) / 2)) { - case 0: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x1 = x0 + z, y1 = y0 + z, x > x1 || y > y1); - break; - } - case 1: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x0 = x1 - z, y1 = y0 + z, x0 > x || y > y1); - break; - } - case 2: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x1 = x0 + z, y0 = y1 - z, x > x1 || y0 > y); - break; - } - case 3: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x0 = x1 - z, y0 = y1 - z, x0 > x || y0 > y); - break; + // Otherwise, draw the two corners and the ring. + else { + context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw); + context.arc(0, 0, r0, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), cw); + context.arc(t1.cx, t1.cy, rc0, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw); } } - if (this._root && this._root.length) this._root = node; + // Or is the inner ring just a circular arc? + else context.arc(0, 0, r0, a10, a00, cw); } - // If the quadtree covers the point already, just return. - else return this; + context.closePath(); - this._x0 = x0; - this._y0 = y0; - this._x1 = x1; - this._y1 = y1; - return this; + if (buffer) return context = null, buffer + "" || null; } - function tree_data() { - var data = []; - this.visit(function(node) { - if (!node.length) do data.push(node.data); while (node = node.next) - }); - return data; - } + arc.centroid = function() { + var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, + a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi$2 / 2; + return [Math.cos(a) * r, Math.sin(a) * r]; + }; - function tree_extent(_) { - return arguments.length - ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) - : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; - } + arc.innerRadius = function(_) { + return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$2(+_), arc) : innerRadius; + }; - function Quad(node, x0, y0, x1, y1) { - this.node = node; - this.x0 = x0; - this.y0 = y0; - this.x1 = x1; - this.y1 = y1; - } + arc.outerRadius = function(_) { + return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$2(+_), arc) : outerRadius; + }; - function tree_find(x, y, radius) { - var data, - x0 = this._x0, - y0 = this._y0, - x1, - y1, - x2, - y2, - x3 = this._x1, - y3 = this._y1, - quads = [], - node = this._root, - q, - i; + arc.cornerRadius = function(_) { + return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$2(+_), arc) : cornerRadius; + }; - if (node) quads.push(new Quad(node, x0, y0, x3, y3)); - if (radius == null) radius = Infinity; - else { - x0 = x - radius, y0 = y - radius; - x3 = x + radius, y3 = y + radius; - radius *= radius; - } - - while (q = quads.pop()) { - - // Stop searching if this quadrant can’t contain a closer node. - if (!(node = q.node) - || (x1 = q.x0) > x3 - || (y1 = q.y0) > y3 - || (x2 = q.x1) < x0 - || (y2 = q.y1) < y0) continue; - - // Bisect the current quadrant. - if (node.length) { - var xm = (x1 + x2) / 2, - ym = (y1 + y2) / 2; - - quads.push( - new Quad(node[3], xm, ym, x2, y2), - new Quad(node[2], x1, ym, xm, y2), - new Quad(node[1], xm, y1, x2, ym), - new Quad(node[0], x1, y1, xm, ym) - ); + arc.padRadius = function(_) { + return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$2(+_), arc) : padRadius; + }; - // Visit the closest quadrant first. - if (i = (y >= ym) << 1 | (x >= xm)) { - q = quads[quads.length - 1]; - quads[quads.length - 1] = quads[quads.length - 1 - i]; - quads[quads.length - 1 - i] = q; - } - } + arc.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$2(+_), arc) : startAngle; + }; - // Visit this point. (Visiting coincident points isn’t necessary!) - else { - var dx = x - +this._x.call(null, node.data), - dy = y - +this._y.call(null, node.data), - d2 = dx * dx + dy * dy; - if (d2 < radius) { - var d = Math.sqrt(radius = d2); - x0 = x - d, y0 = y - d; - x3 = x + d, y3 = y + d; - data = node.data; - } - } - } + arc.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$2(+_), arc) : endAngle; + }; - return data; - } + arc.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$2(+_), arc) : padAngle; + }; - function tree_remove(d) { - if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points + arc.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), arc) : context; + }; - var parent, - node = this._root, - retainer, - previous, - next, - x0 = this._x0, - y0 = this._y0, - x1 = this._x1, - y1 = this._y1, - x, - y, - xm, - ym, - right, - bottom, - i, - j; + return arc; +} + +function Linear(context) { + this._context = context; +} + +Linear.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; // proceed + default: this._context.lineTo(x, y); break; + } + } +}; + +var curveLinear = function(context) { + return new Linear(context); +} + +function x(p) { + return p[0]; +} + +function y(p) { + return p[1]; +} + +var line = function() { + var x$$1 = x, + y$$1 = y, + defined = constant$2(true), + context = null, + curve = curveLinear, + output = null; + + function line(data) { + var i, + n = data.length, + d, + defined0 = false, + buffer; - // If the tree is empty, initialize the root as a leaf. - if (!node) return this; + if (context == null) output = curve(buffer = path()); - // Find the leaf node for the point. - // While descending, also retain the deepest parent with a non-removed sibling. - if (node.length) while (true) { - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - if (!(parent = node, node = node[i = bottom << 1 | right])) return this; - if (!node.length) break; - if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i; + for (i = 0; i <= n; ++i) { + if (!(i < n && defined(d = data[i], i, data)) === defined0) { + if (defined0 = !defined0) output.lineStart(); + else output.lineEnd(); + } + if (defined0) output.point(+x$$1(d, i, data), +y$$1(d, i, data)); } - // Find the point to remove. - while (node.data !== d) if (!(previous = node, node = node.next)) return this; - if (next = node.next) delete node.next; - - // If there are multiple coincident points, remove just the point. - if (previous) return (next ? previous.next = next : delete previous.next), this; + if (buffer) return output = null, buffer + "" || null; + } - // If this is the root point, remove it. - if (!parent) return this._root = next, this; + line.x = function(_) { + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$2(+_), line) : x$$1; + }; - // Remove this leaf. - next ? parent[i] = next : delete parent[i]; + line.y = function(_) { + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$2(+_), line) : y$$1; + }; - // If the parent now contains exactly one leaf, collapse superfluous parents. - if ((node = parent[0] || parent[1] || parent[2] || parent[3]) - && node === (parent[3] || parent[2] || parent[1] || parent[0]) - && !node.length) { - if (retainer) retainer[j] = node; - else this._root = node; - } + line.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$2(!!_), line) : defined; + }; - return this; - } + line.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; + }; - function removeAll(data) { - for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); - return this; - } + line.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; + }; - function tree_root() { - return this._root; - } + return line; +} - function tree_size() { - var size = 0; - this.visit(function(node) { - if (!node.length) do ++size; while (node = node.next) - }); - return size; - } +var area$1 = function() { + var x0 = x, + x1 = null, + y0 = constant$2(0), + y1 = y, + defined = constant$2(true), + context = null, + curve = curveLinear, + output = null; - function tree_visit(callback) { - var quads = [], q, node = this._root, child, x0, y0, x1, y1; - if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); - while (q = quads.pop()) { - if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) { - var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; - if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); - if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); - if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); - if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); + function area(data) { + var i, + j, + k, + n = data.length, + d, + defined0 = false, + buffer, + x0z = new Array(n), + y0z = new Array(n); + + if (context == null) output = curve(buffer = path()); + + for (i = 0; i <= n; ++i) { + if (!(i < n && defined(d = data[i], i, data)) === defined0) { + if (defined0 = !defined0) { + j = i; + output.areaStart(); + output.lineStart(); + } else { + output.lineEnd(); + output.lineStart(); + for (k = i - 1; k >= j; --k) { + output.point(x0z[k], y0z[k]); + } + output.lineEnd(); + output.areaEnd(); + } } - } - return this; - } - - function tree_visitAfter(callback) { - var quads = [], next = [], q; - if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); - while (q = quads.pop()) { - var node = q.node; - if (node.length) { - var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; - if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); - if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); - if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); - if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); + if (defined0) { + x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data); + output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]); } - next.push(q); - } - while (q = next.pop()) { - callback(q.node, q.x0, q.y0, q.x1, q.y1); } - return this; - } - function defaultX(d) { - return d[0]; + if (buffer) return output = null, buffer + "" || null; } - function tree_x(_) { - return arguments.length ? (this._x = _, this) : this._x; + function arealine() { + return line().defined(defined).curve(curve).context(context); } - function defaultY(d) { - return d[1]; - } + area.x = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$2(+_), x1 = null, area) : x0; + }; - function tree_y(_) { - return arguments.length ? (this._y = _, this) : this._y; - } + area.x0 = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$2(+_), area) : x0; + }; - function quadtree(nodes, x, y) { - var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); - return nodes == null ? tree : tree.addAll(nodes); - } + area.x1 = function(_) { + return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$2(+_), area) : x1; + }; - function Quadtree(x, y, x0, y0, x1, y1) { - this._x = x; - this._y = y; - this._x0 = x0; - this._y0 = y0; - this._x1 = x1; - this._y1 = y1; - this._root = undefined; - } + area.y = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$2(+_), y1 = null, area) : y0; + }; - function leaf_copy(leaf) { - var copy = {data: leaf.data}, next = copy; - while (leaf = leaf.next) next = next.next = {data: leaf.data}; - return copy; - } + area.y0 = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$2(+_), area) : y0; + }; - var treeProto = quadtree.prototype = Quadtree.prototype; + area.y1 = function(_) { + return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$2(+_), area) : y1; + }; - treeProto.copy = function() { - var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), - node = this._root, - nodes, - child; + area.lineX0 = + area.lineY0 = function() { + return arealine().x(x0).y(y0); + }; - if (!node) return copy; + area.lineY1 = function() { + return arealine().x(x0).y(y1); + }; - if (!node.length) return copy._root = leaf_copy(node), copy; + area.lineX1 = function() { + return arealine().x(x1).y(y0); + }; - nodes = [{source: node, target: copy._root = new Array(4)}]; - while (node = nodes.pop()) { - for (var i = 0; i < 4; ++i) { - if (child = node.source[i]) { - if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)}); - else node.target[i] = leaf_copy(child); - } - } - } + area.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$2(!!_), area) : defined; + }; - return copy; - }; - - treeProto.add = tree_add; - treeProto.addAll = addAll; - treeProto.cover = tree_cover; - treeProto.data = tree_data; - treeProto.extent = tree_extent; - treeProto.find = tree_find; - treeProto.remove = tree_remove; - treeProto.removeAll = removeAll; - treeProto.root = tree_root; - treeProto.size = tree_size; - treeProto.visit = tree_visit; - treeProto.visitAfter = tree_visitAfter; - treeProto.x = tree_x; - treeProto.y = tree_y; - - var slice$1 = [].slice; - - var noabort = {}; - - function Queue(size) { - if (!(size >= 1)) throw new Error; - this._size = size; - this._call = - this._error = null; - this._tasks = []; - this._data = []; - this._waiting = - this._active = - this._ended = - this._start = 0; // inside a synchronous task callback? - } - - Queue.prototype = queue.prototype = { - constructor: Queue, - defer: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; - if (this._error != null) return this; - var t = slice$1.call(arguments, 1); - t.push(callback); - ++this._waiting, this._tasks.push(t); - poke(this); - return this; - }, - abort: function() { - if (this._error == null) abort(this, new Error("abort")); - return this; - }, - await: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; - this._call = function(error, results) { callback.apply(null, [error].concat(results)); }; - maybeNotify(this); - return this; - }, - awaitAll: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; - this._call = callback; - maybeNotify(this); - return this; - } + area.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; }; - function poke(q) { - if (!q._start) try { start(q); } // let the current task complete - catch (e) { if (q._tasks[q._ended + q._active - 1]) abort(q, e); } // task errored synchronously - } + area.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; + }; - function start(q) { - while (q._start = q._waiting && q._active < q._size) { - var i = q._ended + q._active, - t = q._tasks[i], - j = t.length - 1, - c = t[j]; - t[j] = end(q, i); - --q._waiting, ++q._active; - t = c.apply(null, t); - if (!q._tasks[i]) continue; // task finished synchronously - q._tasks[i] = t || noabort; - } - } + return area; +} - function end(q, i) { - return function(e, r) { - if (!q._tasks[i]) return; // ignore multiple callbacks - --q._active, ++q._ended; - q._tasks[i] = null; - if (q._error != null) return; // ignore secondary errors - if (e != null) { - abort(q, e); - } else { - q._data[i] = r; - if (q._waiting) poke(q); - else maybeNotify(q); - } - }; - } +var descending$1 = function(a, b) { + return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; +} - function abort(q, e) { - var i = q._tasks.length, t; - q._error = e; // ignore active callbacks - q._data = undefined; // allow gc - q._waiting = NaN; // prevent starting +var identity$1 = function(d) { + return d; +} - while (--i >= 0) { - if (t = q._tasks[i]) { - q._tasks[i] = null; - if (t.abort) try { t.abort(); } - catch (e) { /* ignore */ } +var pie = function() { + var value = identity$1, + sortValues = descending$1, + sort = null, + startAngle = constant$2(0), + endAngle = constant$2(tau$2), + padAngle = constant$2(0); + + function pie(data) { + var i, + n = data.length, + j, + k, + sum = 0, + index = new Array(n), + arcs = new Array(n), + a0 = +startAngle.apply(this, arguments), + da = Math.min(tau$2, Math.max(-tau$2, endAngle.apply(this, arguments) - a0)), + a1, + p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)), + pa = p * (da < 0 ? -1 : 1), + v; + + for (i = 0; i < n; ++i) { + if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) { + sum += v; } } - q._active = NaN; // allow notification - maybeNotify(q); - } + // Optionally sort the arcs by previously-computed values or by data. + if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); }); + else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); }); - function maybeNotify(q) { - if (!q._active && q._call) q._call(q._error, q._data); - } + // Compute the arcs! They are stored in the original data's order. + for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) { + j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = { + data: data[j], + index: i, + value: v, + startAngle: a0, + endAngle: a1, + padAngle: p + }; + } - function queue(concurrency) { - return new Queue(arguments.length ? +concurrency : Infinity); + return arcs; } - function constant$1(x) { - return function constant() { - return x; - }; - } + pie.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant$2(+_), pie) : value; + }; - var epsilon$1 = 1e-12; - var pi$2 = Math.PI; - var halfPi$1 = pi$2 / 2; - var tau$2 = 2 * pi$2; + pie.sortValues = function(_) { + return arguments.length ? (sortValues = _, sort = null, pie) : sortValues; + }; - function arcInnerRadius(d) { - return d.innerRadius; - } + pie.sort = function(_) { + return arguments.length ? (sort = _, sortValues = null, pie) : sort; + }; - function arcOuterRadius(d) { - return d.outerRadius; - } + pie.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$2(+_), pie) : startAngle; + }; - function arcStartAngle(d) { - return d.startAngle; - } + pie.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$2(+_), pie) : endAngle; + }; - function arcEndAngle(d) { - return d.endAngle; - } + pie.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$2(+_), pie) : padAngle; + }; - function arcPadAngle(d) { - return d && d.padAngle; // Note: optional! - } + return pie; +} - function asin(x) { - return x >= 1 ? halfPi$1 : x <= -1 ? -halfPi$1 : Math.asin(x); - } +var curveRadialLinear = curveRadial(curveLinear); - function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { - var x10 = x1 - x0, y10 = y1 - y0, - x32 = x3 - x2, y32 = y3 - y2, - t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / (y32 * x10 - x32 * y10); - return [x0 + t * x10, y0 + t * y10]; +function Radial(curve) { + this._curve = curve; +} + +Radial.prototype = { + areaStart: function() { + this._curve.areaStart(); + }, + areaEnd: function() { + this._curve.areaEnd(); + }, + lineStart: function() { + this._curve.lineStart(); + }, + lineEnd: function() { + this._curve.lineEnd(); + }, + point: function(a, r) { + this._curve.point(r * Math.sin(a), r * -Math.cos(a)); } +}; - // Compute perpendicular offset line of length rc. - // http://mathworld.wolfram.com/Circle-LineIntersection.html - function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { - var x01 = x0 - x1, - y01 = y0 - y1, - lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), - ox = lo * y01, - oy = -lo * x01, - x11 = x0 + ox, - y11 = y0 + oy, - x10 = x1 + ox, - y10 = y1 + oy, - x00 = (x11 + x10) / 2, - y00 = (y11 + y10) / 2, - dx = x10 - x11, - dy = y10 - y11, - d2 = dx * dx + dy * dy, - r = r1 - rc, - D = x11 * y10 - x10 * y11, - d = (dy < 0 ? -1 : 1) * Math.sqrt(Math.max(0, r * r * d2 - D * D)), - cx0 = (D * dy - dx * d) / d2, - cy0 = (-D * dx - dy * d) / d2, - cx1 = (D * dy + dx * d) / d2, - cy1 = (-D * dx + dy * d) / d2, - dx0 = cx0 - x00, - dy0 = cy0 - y00, - dx1 = cx1 - x00, - dy1 = cy1 - y00; - - // Pick the closer of the two intersection points. - // TODO Is there a faster way to determine which intersection to use? - if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; +function curveRadial(curve) { - return { - cx: cx0, - cy: cy0, - x01: -ox, - y01: -oy, - x11: cx0 * (r1 / r - 1), - y11: cy0 * (r1 / r - 1) - }; + function radial(context) { + return new Radial(curve(context)); } - function arc() { - var innerRadius = arcInnerRadius, - outerRadius = arcOuterRadius, - cornerRadius = constant$1(0), - padRadius = null, - startAngle = arcStartAngle, - endAngle = arcEndAngle, - padAngle = arcPadAngle, - context = null; - - function arc() { - var buffer, - r, - r0 = +innerRadius.apply(this, arguments), - r1 = +outerRadius.apply(this, arguments), - a0 = startAngle.apply(this, arguments) - halfPi$1, - a1 = endAngle.apply(this, arguments) - halfPi$1, - da = Math.abs(a1 - a0), - cw = a1 > a0; - - if (!context) context = buffer = path(); - - // Ensure that the outer radius is always larger than the inner radius. - if (r1 < r0) r = r1, r1 = r0, r0 = r; - - // Is it a point? - if (!(r1 > epsilon$1)) context.moveTo(0, 0); - - // Or is it a circle or annulus? - else if (da > tau$2 - epsilon$1) { - context.moveTo(r1 * Math.cos(a0), r1 * Math.sin(a0)); - context.arc(0, 0, r1, a0, a1, !cw); - if (r0 > epsilon$1) { - context.moveTo(r0 * Math.cos(a1), r0 * Math.sin(a1)); - context.arc(0, 0, r0, a1, a0, cw); - } - } + radial._curve = curve; - // Or is it a circular or annular sector? - else { - var a01 = a0, - a11 = a1, - a00 = a0, - a10 = a1, - da0 = da, - da1 = da, - ap = padAngle.apply(this, arguments) / 2, - rp = (ap > epsilon$1) && (padRadius ? +padRadius.apply(this, arguments) : Math.sqrt(r0 * r0 + r1 * r1)), - rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments)), - rc0 = rc, - rc1 = rc, - t0, - t1; - - // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0. - if (rp > epsilon$1) { - var p0 = asin(rp / r0 * Math.sin(ap)), - p1 = asin(rp / r1 * Math.sin(ap)); - if ((da0 -= p0 * 2) > epsilon$1) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0; - else da0 = 0, a00 = a10 = (a0 + a1) / 2; - if ((da1 -= p1 * 2) > epsilon$1) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1; - else da1 = 0, a01 = a11 = (a0 + a1) / 2; - } + return radial; +} - var x01 = r1 * Math.cos(a01), - y01 = r1 * Math.sin(a01), - x10 = r0 * Math.cos(a10), - y10 = r0 * Math.sin(a10); - - // Apply rounded corners? - if (rc > epsilon$1) { - var x11 = r1 * Math.cos(a11), - y11 = r1 * Math.sin(a11), - x00 = r0 * Math.cos(a00), - y00 = r0 * Math.sin(a00); - - // Restrict the corner radius according to the sector angle. - if (da < pi$2) { - var oc = da0 > epsilon$1 ? intersect(x01, y01, x00, y00, x11, y11, x10, y10) : [x10, y10], - ax = x01 - oc[0], - ay = y01 - oc[1], - bx = x11 - oc[0], - by = y11 - oc[1], - kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), - lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]); - rc0 = Math.min(rc, (r0 - lc) / (kc - 1)); - rc1 = Math.min(rc, (r1 - lc) / (kc + 1)); - } - } +function radialLine(l) { + var c = l.curve; - // Is the sector collapsed to a line? - if (!(da1 > epsilon$1)) context.moveTo(x01, y01); + l.angle = l.x, delete l.x; + l.radius = l.y, delete l.y; - // Does the sector’s outer ring have rounded corners? - else if (rc1 > epsilon$1) { - t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw); - t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw); + l.curve = function(_) { + return arguments.length ? c(curveRadial(_)) : c()._curve; + }; - context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01); + return l; +} + +var radialLine$1 = function() { + return radialLine(line().curve(curveRadialLinear)); +} + +var radialArea = function() { + var a = area$1().curve(curveRadialLinear), + c = a.curve, + x0 = a.lineX0, + x1 = a.lineX1, + y0 = a.lineY0, + y1 = a.lineY1; + + a.angle = a.x, delete a.x; + a.startAngle = a.x0, delete a.x0; + a.endAngle = a.x1, delete a.x1; + a.radius = a.y, delete a.y; + a.innerRadius = a.y0, delete a.y0; + a.outerRadius = a.y1, delete a.y1; + a.lineStartAngle = function() { return radialLine(x0()); }, delete a.lineX0; + a.lineEndAngle = function() { return radialLine(x1()); }, delete a.lineX1; + a.lineInnerRadius = function() { return radialLine(y0()); }, delete a.lineY0; + a.lineOuterRadius = function() { return radialLine(y1()); }, delete a.lineY1; + + a.curve = function(_) { + return arguments.length ? c(curveRadial(_)) : c()._curve; + }; - // Have the corners merged? - if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw); + return a; +} + +var circle = { + draw: function(context, size) { + var r = Math.sqrt(size / pi$2); + context.moveTo(r, 0); + context.arc(0, 0, r, 0, tau$2); + } +}; + +var cross$1 = { + draw: function(context, size) { + var r = Math.sqrt(size / 5) / 2; + context.moveTo(-3 * r, -r); + context.lineTo(-r, -r); + context.lineTo(-r, -3 * r); + context.lineTo(r, -3 * r); + context.lineTo(r, -r); + context.lineTo(3 * r, -r); + context.lineTo(3 * r, r); + context.lineTo(r, r); + context.lineTo(r, 3 * r); + context.lineTo(-r, 3 * r); + context.lineTo(-r, r); + context.lineTo(-3 * r, r); + context.closePath(); + } +}; + +var tan30 = Math.sqrt(1 / 3); +var tan30_2 = tan30 * 2; + +var diamond = { + draw: function(context, size) { + var y = Math.sqrt(size / tan30_2), + x = y * tan30; + context.moveTo(0, -y); + context.lineTo(x, 0); + context.lineTo(0, y); + context.lineTo(-x, 0); + context.closePath(); + } +}; + +var ka = 0.89081309152928522810; +var kr = Math.sin(pi$2 / 10) / Math.sin(7 * pi$2 / 10); +var kx = Math.sin(tau$2 / 10) * kr; +var ky = -Math.cos(tau$2 / 10) * kr; + +var star = { + draw: function(context, size) { + var r = Math.sqrt(size * ka), + x = kx * r, + y = ky * r; + context.moveTo(0, -r); + context.lineTo(x, y); + for (var i = 1; i < 5; ++i) { + var a = tau$2 * i / 5, + c = Math.cos(a), + s = Math.sin(a); + context.lineTo(s * r, -c * r); + context.lineTo(c * x - s * y, s * x + c * y); + } + context.closePath(); + } +}; + +var square = { + draw: function(context, size) { + var w = Math.sqrt(size), + x = -w / 2; + context.rect(x, x, w, w); + } +}; + +var sqrt3 = Math.sqrt(3); + +var triangle = { + draw: function(context, size) { + var y = -Math.sqrt(size / (sqrt3 * 3)); + context.moveTo(0, y * 2); + context.lineTo(-sqrt3 * y, -y); + context.lineTo(sqrt3 * y, -y); + context.closePath(); + } +}; + +var c = -0.5; +var s = Math.sqrt(3) / 2; +var k = 1 / Math.sqrt(12); +var a = (k / 2 + 1) * 3; + +var wye = { + draw: function(context, size) { + var r = Math.sqrt(size / a), + x0 = r / 2, + y0 = r * k, + x1 = x0, + y1 = r * k + r, + x2 = -x1, + y2 = y1; + context.moveTo(x0, y0); + context.lineTo(x1, y1); + context.lineTo(x2, y2); + context.lineTo(c * x0 - s * y0, s * x0 + c * y0); + context.lineTo(c * x1 - s * y1, s * x1 + c * y1); + context.lineTo(c * x2 - s * y2, s * x2 + c * y2); + context.lineTo(c * x0 + s * y0, c * y0 - s * x0); + context.lineTo(c * x1 + s * y1, c * y1 - s * x1); + context.lineTo(c * x2 + s * y2, c * y2 - s * x2); + context.closePath(); + } +}; + +var symbols = [ + circle, + cross$1, + diamond, + square, + star, + triangle, + wye +]; + +var symbol = function() { + var type = constant$2(circle), + size = constant$2(64), + context = null; - // Otherwise, draw the two corners and the ring. - else { - context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw); - context.arc(0, 0, r1, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), !cw); - context.arc(t1.cx, t1.cy, rc1, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw); - } - } + function symbol() { + var buffer; + if (!context) context = buffer = path(); + type.apply(this, arguments).draw(context, +size.apply(this, arguments)); + if (buffer) return context = null, buffer + "" || null; + } - // Or is the outer ring just a circular arc? - else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw); + symbol.type = function(_) { + return arguments.length ? (type = typeof _ === "function" ? _ : constant$2(_), symbol) : type; + }; - // Is there no inner ring, and it’s a circular sector? - // Or perhaps it’s an annular sector collapsed due to padding? - if (!(r0 > epsilon$1) || !(da0 > epsilon$1)) context.lineTo(x10, y10); + symbol.size = function(_) { + return arguments.length ? (size = typeof _ === "function" ? _ : constant$2(+_), symbol) : size; + }; - // Does the sector’s inner ring (or point) have rounded corners? - else if (rc0 > epsilon$1) { - t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw); - t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw); + symbol.context = function(_) { + return arguments.length ? (context = _ == null ? null : _, symbol) : context; + }; - context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01); + return symbol; +} - // Have the corners merged? - if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw); +var noop = function() {} - // Otherwise, draw the two corners and the ring. - else { - context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw); - context.arc(0, 0, r0, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), cw); - context.arc(t1.cx, t1.cy, rc0, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw); - } - } - - // Or is the inner ring just a circular arc? - else context.arc(0, 0, r0, a10, a00, cw); +function point(that, x, y) { + that._context.bezierCurveTo( + (2 * that._x0 + that._x1) / 3, + (2 * that._y0 + that._y1) / 3, + (that._x0 + 2 * that._x1) / 3, + (that._y0 + 2 * that._y1) / 3, + (that._x0 + 4 * that._x1 + x) / 6, + (that._y0 + 4 * that._y1 + y) / 6 + ); +} + +function Basis(context) { + this._context = context; +} + +Basis.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 3: point(this, this._x1, this._y1); // proceed + case 2: this._context.lineTo(this._x1, this._y1); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed + default: point(this, x, y); break; + } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + } +}; + +var basis = function(context) { + return new Basis(context); +} + +function BasisClosed(context) { + this._context = context; +} + +BasisClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x2, this._y2); + this._context.closePath(); + break; + } + case 2: { + this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3); + this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x2, this._y2); + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + break; } - - context.closePath(); - - if (buffer) return context = null, buffer + "" || null; } + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._x2 = x, this._y2 = y; break; + case 1: this._point = 2; this._x3 = x, this._y3 = y; break; + case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break; + default: point(this, x, y); break; + } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + } +}; + +var basisClosed = function(context) { + return new BasisClosed(context); +} + +function BasisOpen(context) { + this._context = context; +} + +BasisOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = NaN; + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; + case 3: this._point = 4; // proceed + default: point(this, x, y); break; + } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + } +}; + +var basisOpen = function(context) { + return new BasisOpen(context); +} + +function Bundle(context, beta) { + this._basis = new Basis(context); + this._beta = beta; +} + +Bundle.prototype = { + lineStart: function() { + this._x = []; + this._y = []; + this._basis.lineStart(); + }, + lineEnd: function() { + var x = this._x, + y = this._y, + j = x.length - 1; + + if (j > 0) { + var x0 = x[0], + y0 = y[0], + dx = x[j] - x0, + dy = y[j] - y0, + i = -1, + t; - arc.centroid = function() { - var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, - a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi$2 / 2; - return [Math.cos(a) * r, Math.sin(a) * r]; - }; - - arc.innerRadius = function(_) { - return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : innerRadius; - }; - - arc.outerRadius = function(_) { - return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : outerRadius; - }; - - arc.cornerRadius = function(_) { - return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : cornerRadius; - }; - - arc.padRadius = function(_) { - return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), arc) : padRadius; - }; - - arc.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : startAngle; - }; - - arc.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : endAngle; - }; + while (++i <= j) { + t = i / j; + this._basis.point( + this._beta * x[i] + (1 - this._beta) * (x0 + t * dx), + this._beta * y[i] + (1 - this._beta) * (y0 + t * dy) + ); + } + } - arc.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : padAngle; - }; + this._x = this._y = null; + this._basis.lineEnd(); + }, + point: function(x, y) { + this._x.push(+x); + this._y.push(+y); + } +}; - arc.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), arc) : context; - }; +var bundle = (function custom(beta) { - return arc; + function bundle(context) { + return beta === 1 ? new Basis(context) : new Bundle(context, beta); } - function Linear(context) { - this._context = context; - } + bundle.beta = function(beta) { + return custom(+beta); + }; - Linear.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed - default: this._context.lineTo(x, y); break; - } - } + return bundle; +})(0.85); + +function point$1(that, x, y) { + that._context.bezierCurveTo( + that._x1 + that._k * (that._x2 - that._x0), + that._y1 + that._k * (that._y2 - that._y0), + that._x2 + that._k * (that._x1 - x), + that._y2 + that._k * (that._y1 - y), + that._x2, + that._y2 + ); +} + +function Cardinal(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; +} + +Cardinal.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x2, this._y2); break; + case 3: point$1(this, this._x1, this._y1); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; this._x1 = x, this._y1 = y; break; + case 2: this._point = 3; // proceed + default: point$1(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } +}; + +var cardinal = (function custom(tension) { + + function cardinal(context) { + return new Cardinal(context, tension); + } + + cardinal.tension = function(tension) { + return custom(+tension); }; - function curveLinear(context) { - return new Linear(context); + return cardinal; +})(0); + +function CardinalClosed(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; +} + +CardinalClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 2: { + this._context.lineTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + this.point(this._x5, this._y5); + break; + } + } + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._x3 = x, this._y3 = y; break; + case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; + case 2: this._point = 3; this._x5 = x, this._y5 = y; break; + default: point$1(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } +}; - function x(p) { - return p[0]; - } +var cardinalClosed = (function custom(tension) { - function y(p) { - return p[1]; + function cardinal(context) { + return new CardinalClosed(context, tension); } - function line() { - var x$$ = x, - y$$ = y, - defined = constant$1(true), - context = null, - curve = curveLinear, - output = null; + cardinal.tension = function(tension) { + return custom(+tension); + }; - function line(data) { - var i, - n = data.length, - d, - defined0 = false, - buffer; + return cardinal; +})(0); + +function CardinalOpen(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; +} + +CardinalOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 3: this._point = 4; // proceed + default: point$1(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } +}; + +var cardinalOpen = (function custom(tension) { + + function cardinal(context) { + return new CardinalOpen(context, tension); + } + + cardinal.tension = function(tension) { + return custom(+tension); + }; - if (context == null) output = curve(buffer = path()); + return cardinal; +})(0); + +function point$2(that, x, y) { + var x1 = that._x1, + y1 = that._y1, + x2 = that._x2, + y2 = that._y2; + + if (that._l01_a > epsilon$1) { + var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a, + n = 3 * that._l01_a * (that._l01_a + that._l12_a); + x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n; + y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n; + } + + if (that._l23_a > epsilon$1) { + var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a, + m = 3 * that._l23_a * (that._l23_a + that._l12_a); + x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m; + y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m; + } + + that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2); +} + +function CatmullRom(context, alpha) { + this._context = context; + this._alpha = alpha; +} + +CatmullRom.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x2, this._y2); break; + case 3: this.point(this._x2, this._y2); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } + + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; // proceed + default: point$2(this, x, y); break; + } + + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } +}; + +var catmullRom = (function custom(alpha) { + + function catmullRom(context) { + return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); + } + + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; - for (i = 0; i <= n; ++i) { - if (!(i < n && defined(d = data[i], i, data)) === defined0) { - if (defined0 = !defined0) output.lineStart(); - else output.lineEnd(); - } - if (defined0) output.point(+x$$(d, i, data), +y$$(d, i, data)); + return catmullRom; +})(0.5); + +function CatmullRomClosed(context, alpha) { + this._context = context; + this._alpha = alpha; +} + +CatmullRomClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 2: { + this._context.lineTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + this.point(this._x5, this._y5); + break; } + } + }, + point: function(x, y) { + x = +x, y = +y; - if (buffer) return output = null, buffer + "" || null; + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); } - line.x = function(_) { - return arguments.length ? (x$$ = typeof _ === "function" ? _ : constant$1(+_), line) : x$$; - }; + switch (this._point) { + case 0: this._point = 1; this._x3 = x, this._y3 = y; break; + case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; + case 2: this._point = 3; this._x5 = x, this._y5 = y; break; + default: point$2(this, x, y); break; + } - line.y = function(_) { - return arguments.length ? (y$$ = typeof _ === "function" ? _ : constant$1(+_), line) : y$$; - }; + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } +}; - line.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$1(!!_), line) : defined; - }; +var catmullRomClosed = (function custom(alpha) { - line.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; - }; + function catmullRom(context) { + return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); + } - line.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; - }; + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; - return line; - } - - function area$1() { - var x0 = x, - x1 = null, - y0 = constant$1(0), - y1 = y, - defined = constant$1(true), - context = null, - curve = curveLinear, - output = null; - - function area(data) { - var i, - j, - k, - n = data.length, - d, - defined0 = false, - buffer, - x0z = new Array(n), - y0z = new Array(n); - - if (context == null) output = curve(buffer = path()); - - for (i = 0; i <= n; ++i) { - if (!(i < n && defined(d = data[i], i, data)) === defined0) { - if (defined0 = !defined0) { - j = i; - output.areaStart(); - output.lineStart(); - } else { - output.lineEnd(); - output.lineStart(); - for (k = i - 1; k >= j; --k) { - output.point(x0z[k], y0z[k]); - } - output.lineEnd(); - output.areaEnd(); - } - } - if (defined0) { - x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data); - output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]); + return catmullRom; +})(0.5); + +function CatmullRomOpen(context, alpha) { + this._context = context; + this._alpha = alpha; +} + +CatmullRomOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } + + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 3: this._point = 4; // proceed + default: point$2(this, x, y); break; + } + + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } +}; + +var catmullRomOpen = (function custom(alpha) { + + function catmullRom(context) { + return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); + } + + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; + + return catmullRom; +})(0.5); + +function LinearClosed(context) { + this._context = context; +} + +LinearClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._point) this._context.closePath(); + }, + point: function(x, y) { + x = +x, y = +y; + if (this._point) this._context.lineTo(x, y); + else this._point = 1, this._context.moveTo(x, y); + } +}; + +var linearClosed = function(context) { + return new LinearClosed(context); +} + +function sign(x) { + return x < 0 ? -1 : 1; +} + +// Calculate the slopes of the tangents (Hermite-type interpolation) based on +// the following paper: Steffen, M. 1990. A Simple Method for Monotonic +// Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO. +// NOV(II), P. 443, 1990. +function slope3(that, x2, y2) { + var h0 = that._x1 - that._x0, + h1 = x2 - that._x1, + s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0), + s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0), + p = (s0 * h1 + s1 * h0) / (h0 + h1); + return (sign(s0) + sign(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0; +} + +// Calculate a one-sided slope. +function slope2(that, t) { + var h = that._x1 - that._x0; + return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t; +} + +// According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations +// "you can express cubic Hermite interpolation in terms of cubic Bézier curves +// with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1". +function point$3(that, t0, t1) { + var x0 = that._x0, + y0 = that._y0, + x1 = that._x1, + y1 = that._y1, + dx = (x1 - x0) / 3; + that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1); +} + +function MonotoneX(context) { + this._context = context; +} + +MonotoneX.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = + this._t0 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x1, this._y1); break; + case 3: point$3(this, this._t0, slope2(this, this._t0)); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + var t1 = NaN; + + x = +x, y = +y; + if (x === this._x1 && y === this._y1) return; // Ignore coincident points. + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; point$3(this, slope2(this, t1 = slope3(this, x, y)), t1); break; + default: point$3(this, this._t0, t1 = slope3(this, x, y)); break; + } + + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + this._t0 = t1; + } +} + +function MonotoneY(context) { + this._context = new ReflectContext(context); +} + +(MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) { + MonotoneX.prototype.point.call(this, y, x); +}; + +function ReflectContext(context) { + this._context = context; +} + +ReflectContext.prototype = { + moveTo: function(x, y) { this._context.moveTo(y, x); }, + closePath: function() { this._context.closePath(); }, + lineTo: function(x, y) { this._context.lineTo(y, x); }, + bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); } +}; + +function monotoneX(context) { + return new MonotoneX(context); +} + +function monotoneY(context) { + return new MonotoneY(context); +} + +function Natural(context) { + this._context = context; +} + +Natural.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x = []; + this._y = []; + }, + lineEnd: function() { + var x = this._x, + y = this._y, + n = x.length; + + if (n) { + this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]); + if (n === 2) { + this._context.lineTo(x[1], y[1]); + } else { + var px = controlPoints(x), + py = controlPoints(y); + for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) { + this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]); + } + } + } + + if (this._line || (this._line !== 0 && n === 1)) this._context.closePath(); + this._line = 1 - this._line; + this._x = this._y = null; + }, + point: function(x, y) { + this._x.push(+x); + this._y.push(+y); + } +}; + +// See https://www.particleincell.com/2012/bezier-splines/ for derivation. +function controlPoints(x) { + var i, + n = x.length - 1, + m, + a = new Array(n), + b = new Array(n), + r = new Array(n); + a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1]; + for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1]; + a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n]; + for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1]; + a[n - 1] = r[n - 1] / b[n - 1]; + for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i]; + b[n - 1] = (x[n] + a[n - 1]) / 2; + for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1]; + return [a, b]; +} + +var natural = function(context) { + return new Natural(context); +} + +function Step(context, t) { + this._context = context; + this._t = t; +} + +Step.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x = this._y = NaN; + this._point = 0; + }, + lineEnd: function() { + if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y); + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; // proceed + default: { + if (this._t <= 0) { + this._context.lineTo(this._x, y); + this._context.lineTo(x, y); + } else { + var x1 = this._x * (1 - this._t) + x * this._t; + this._context.lineTo(x1, this._y); + this._context.lineTo(x1, y); } + break; } - - if (buffer) return output = null, buffer + "" || null; } + this._x = x, this._y = y; + } +}; - function arealine() { - return line().defined(defined).curve(curve).context(context); - } +var step = function(context) { + return new Step(context, 0.5); +} - area.x = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$1(+_), x1 = null, area) : x0; - }; +function stepBefore(context) { + return new Step(context, 0); +} - area.x0 = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$1(+_), area) : x0; - }; +function stepAfter(context) { + return new Step(context, 1); +} - area.x1 = function(_) { - return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), area) : x1; - }; +var slice$2 = Array.prototype.slice; - area.y = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$1(+_), y1 = null, area) : y0; - }; +var none = function(series, order) { + if (!((n = series.length) > 1)) return; + for (var i = 1, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { + s0 = s1, s1 = series[order[i]]; + for (var j = 0; j < m; ++j) { + s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; + } + } +} - area.y0 = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$1(+_), area) : y0; - }; +var none$1 = function(series) { + var n = series.length, o = new Array(n); + while (--n >= 0) o[n] = n; + return o; +} - area.y1 = function(_) { - return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), area) : y1; - }; +function stackValue(d, key) { + return d[key]; +} - area.lineX0 = - area.lineY0 = function() { - return arealine().x(x0).y(y0); - }; +var stack = function() { + var keys = constant$2([]), + order = none$1, + offset = none, + value = stackValue; - area.lineY1 = function() { - return arealine().x(x0).y(y1); - }; + function stack(data) { + var kz = keys.apply(this, arguments), + i, + m = data.length, + n = kz.length, + sz = new Array(n), + oz; - area.lineX1 = function() { - return arealine().x(x1).y(y0); - }; + for (i = 0; i < n; ++i) { + for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) { + si[j] = sij = [0, +value(data[j], ki, j, data)]; + sij.data = data[j]; + } + si.key = ki; + } - area.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$1(!!_), area) : defined; - }; + for (i = 0, oz = order(sz); i < n; ++i) { + sz[oz[i]].index = i; + } - area.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; - }; + offset(sz, oz); + return sz; + } - area.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; - }; + stack.keys = function(_) { + return arguments.length ? (keys = typeof _ === "function" ? _ : constant$2(slice$2.call(_)), stack) : keys; + }; - return area; - } + stack.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant$2(+_), stack) : value; + }; - function descending$1(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; - } + stack.order = function(_) { + return arguments.length ? (order = _ == null ? none$1 : typeof _ === "function" ? _ : constant$2(slice$2.call(_)), stack) : order; + }; + + stack.offset = function(_) { + return arguments.length ? (offset = _ == null ? none : _, stack) : offset; + }; - function identity$1(d) { - return d; + return stack; +} + +var expand = function(series, order) { + if (!((n = series.length) > 0)) return; + for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { + for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; + if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; + } + none(series, order); +} + +var silhouette = function(series, order) { + if (!((n = series.length) > 0)) return; + for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { + for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; + s0[j][1] += s0[j][0] = -y / 2; + } + none(series, order); +} + +var wiggle = function(series, order) { + if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; + for (var y = 0, j = 1, s0, m, n; j < m; ++j) { + for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { + var si = series[order[i]], + sij0 = si[j][1] || 0, + sij1 = si[j - 1][1] || 0, + s3 = (sij0 - sij1) / 2; + for (var k = 0; k < i; ++k) { + var sk = series[order[k]], + skj0 = sk[j][1] || 0, + skj1 = sk[j - 1][1] || 0; + s3 += skj0 - skj1; + } + s1 += sij0, s2 += s3 * sij0; + } + s0[j - 1][1] += s0[j - 1][0] = y; + if (s1) y -= s2 / s1; + } + s0[j - 1][1] += s0[j - 1][0] = y; + none(series, order); +} + +var ascending$1 = function(series) { + var sums = series.map(sum$1); + return none$1(series).sort(function(a, b) { return sums[a] - sums[b]; }); +} + +function sum$1(series) { + var s = 0, i = -1, n = series.length, v; + while (++i < n) if (v = +series[i][1]) s += v; + return s; +} + +var descending$2 = function(series) { + return ascending$1(series).reverse(); +} + +var insideOut = function(series) { + var n = series.length, + i, + j, + sums = series.map(sum$1), + order = none$1(series).sort(function(a, b) { return sums[b] - sums[a]; }), + top = 0, + bottom = 0, + tops = [], + bottoms = []; + + for (i = 0; i < n; ++i) { + j = order[i]; + if (top < bottom) { + top += sums[j]; + tops.push(j); + } else { + bottom += sums[j]; + bottoms.push(j); + } + } + + return bottoms.reverse().concat(tops); +} + +var reverse = function(series) { + return none$1(series).reverse(); +} + +var define = function(constructor, factory, prototype) { + constructor.prototype = factory.prototype = prototype; + prototype.constructor = constructor; +} + +function extend(parent, definition) { + var prototype = Object.create(parent.prototype); + for (var key in definition) prototype[key] = definition[key]; + return prototype; +} + +function Color() {} + +var darker = 0.7; +var brighter = 1 / darker; + +var reHex3 = /^#([0-9a-f]{3})$/; +var reHex6 = /^#([0-9a-f]{6})$/; +var reRgbInteger = /^rgb\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*\)$/; +var reRgbPercent = /^rgb\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/; +var reRgbaInteger = /^rgba\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; +var reRgbaPercent = /^rgba\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; +var reHslPercent = /^hsl\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/; +var reHslaPercent = /^hsla\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; + +var named = { + aliceblue: 0xf0f8ff, + antiquewhite: 0xfaebd7, + aqua: 0x00ffff, + aquamarine: 0x7fffd4, + azure: 0xf0ffff, + beige: 0xf5f5dc, + bisque: 0xffe4c4, + black: 0x000000, + blanchedalmond: 0xffebcd, + blue: 0x0000ff, + blueviolet: 0x8a2be2, + brown: 0xa52a2a, + burlywood: 0xdeb887, + cadetblue: 0x5f9ea0, + chartreuse: 0x7fff00, + chocolate: 0xd2691e, + coral: 0xff7f50, + cornflowerblue: 0x6495ed, + cornsilk: 0xfff8dc, + crimson: 0xdc143c, + cyan: 0x00ffff, + darkblue: 0x00008b, + darkcyan: 0x008b8b, + darkgoldenrod: 0xb8860b, + darkgray: 0xa9a9a9, + darkgreen: 0x006400, + darkgrey: 0xa9a9a9, + darkkhaki: 0xbdb76b, + darkmagenta: 0x8b008b, + darkolivegreen: 0x556b2f, + darkorange: 0xff8c00, + darkorchid: 0x9932cc, + darkred: 0x8b0000, + darksalmon: 0xe9967a, + darkseagreen: 0x8fbc8f, + darkslateblue: 0x483d8b, + darkslategray: 0x2f4f4f, + darkslategrey: 0x2f4f4f, + darkturquoise: 0x00ced1, + darkviolet: 0x9400d3, + deeppink: 0xff1493, + deepskyblue: 0x00bfff, + dimgray: 0x696969, + dimgrey: 0x696969, + dodgerblue: 0x1e90ff, + firebrick: 0xb22222, + floralwhite: 0xfffaf0, + forestgreen: 0x228b22, + fuchsia: 0xff00ff, + gainsboro: 0xdcdcdc, + ghostwhite: 0xf8f8ff, + gold: 0xffd700, + goldenrod: 0xdaa520, + gray: 0x808080, + green: 0x008000, + greenyellow: 0xadff2f, + grey: 0x808080, + honeydew: 0xf0fff0, + hotpink: 0xff69b4, + indianred: 0xcd5c5c, + indigo: 0x4b0082, + ivory: 0xfffff0, + khaki: 0xf0e68c, + lavender: 0xe6e6fa, + lavenderblush: 0xfff0f5, + lawngreen: 0x7cfc00, + lemonchiffon: 0xfffacd, + lightblue: 0xadd8e6, + lightcoral: 0xf08080, + lightcyan: 0xe0ffff, + lightgoldenrodyellow: 0xfafad2, + lightgray: 0xd3d3d3, + lightgreen: 0x90ee90, + lightgrey: 0xd3d3d3, + lightpink: 0xffb6c1, + lightsalmon: 0xffa07a, + lightseagreen: 0x20b2aa, + lightskyblue: 0x87cefa, + lightslategray: 0x778899, + lightslategrey: 0x778899, + lightsteelblue: 0xb0c4de, + lightyellow: 0xffffe0, + lime: 0x00ff00, + limegreen: 0x32cd32, + linen: 0xfaf0e6, + magenta: 0xff00ff, + maroon: 0x800000, + mediumaquamarine: 0x66cdaa, + mediumblue: 0x0000cd, + mediumorchid: 0xba55d3, + mediumpurple: 0x9370db, + mediumseagreen: 0x3cb371, + mediumslateblue: 0x7b68ee, + mediumspringgreen: 0x00fa9a, + mediumturquoise: 0x48d1cc, + mediumvioletred: 0xc71585, + midnightblue: 0x191970, + mintcream: 0xf5fffa, + mistyrose: 0xffe4e1, + moccasin: 0xffe4b5, + navajowhite: 0xffdead, + navy: 0x000080, + oldlace: 0xfdf5e6, + olive: 0x808000, + olivedrab: 0x6b8e23, + orange: 0xffa500, + orangered: 0xff4500, + orchid: 0xda70d6, + palegoldenrod: 0xeee8aa, + palegreen: 0x98fb98, + paleturquoise: 0xafeeee, + palevioletred: 0xdb7093, + papayawhip: 0xffefd5, + peachpuff: 0xffdab9, + peru: 0xcd853f, + pink: 0xffc0cb, + plum: 0xdda0dd, + powderblue: 0xb0e0e6, + purple: 0x800080, + rebeccapurple: 0x663399, + red: 0xff0000, + rosybrown: 0xbc8f8f, + royalblue: 0x4169e1, + saddlebrown: 0x8b4513, + salmon: 0xfa8072, + sandybrown: 0xf4a460, + seagreen: 0x2e8b57, + seashell: 0xfff5ee, + sienna: 0xa0522d, + silver: 0xc0c0c0, + skyblue: 0x87ceeb, + slateblue: 0x6a5acd, + slategray: 0x708090, + slategrey: 0x708090, + snow: 0xfffafa, + springgreen: 0x00ff7f, + steelblue: 0x4682b4, + tan: 0xd2b48c, + teal: 0x008080, + thistle: 0xd8bfd8, + tomato: 0xff6347, + turquoise: 0x40e0d0, + violet: 0xee82ee, + wheat: 0xf5deb3, + white: 0xffffff, + whitesmoke: 0xf5f5f5, + yellow: 0xffff00, + yellowgreen: 0x9acd32 +}; + +define(Color, color, { + displayable: function() { + return this.rgb().displayable(); + }, + toString: function() { + return this.rgb() + ""; + } +}); + +function color(format) { + var m; + format = (format + "").trim().toLowerCase(); + return (m = reHex3.exec(format)) ? (m = parseInt(m[1], 16), new Rgb((m >> 8 & 0xf) | (m >> 4 & 0x0f0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1)) // #f00 + : (m = reHex6.exec(format)) ? rgbn(parseInt(m[1], 16)) // #ff0000 + : (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0) + : (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%) + : (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1) + : (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1) + : (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%) + : (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1) + : named.hasOwnProperty(format) ? rgbn(named[format]) + : format === "transparent" ? new Rgb(NaN, NaN, NaN, 0) + : null; +} + +function rgbn(n) { + return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1); +} + +function rgba(r, g, b, a) { + if (a <= 0) r = g = b = NaN; + return new Rgb(r, g, b, a); +} + +function rgbConvert(o) { + if (!(o instanceof Color)) o = color(o); + if (!o) return new Rgb; + o = o.rgb(); + return new Rgb(o.r, o.g, o.b, o.opacity); +} + +function rgb(r, g, b, opacity) { + return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity); +} + +function Rgb(r, g, b, opacity) { + this.r = +r; + this.g = +g; + this.b = +b; + this.opacity = +opacity; +} + +define(Rgb, rgb, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); + }, + rgb: function() { + return this; + }, + displayable: function() { + return (0 <= this.r && this.r <= 255) + && (0 <= this.g && this.g <= 255) + && (0 <= this.b && this.b <= 255) + && (0 <= this.opacity && this.opacity <= 1); + }, + toString: function() { + var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); + return (a === 1 ? "rgb(" : "rgba(") + + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " + + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " + + Math.max(0, Math.min(255, Math.round(this.b) || 0)) + + (a === 1 ? ")" : ", " + a + ")"); + } +})); + +function hsla(h, s, l, a) { + if (a <= 0) h = s = l = NaN; + else if (l <= 0 || l >= 1) h = s = NaN; + else if (s <= 0) h = NaN; + return new Hsl(h, s, l, a); +} + +function hslConvert(o) { + if (o instanceof Hsl) return new Hsl(o.h, o.s, o.l, o.opacity); + if (!(o instanceof Color)) o = color(o); + if (!o) return new Hsl; + if (o instanceof Hsl) return o; + o = o.rgb(); + var r = o.r / 255, + g = o.g / 255, + b = o.b / 255, + min = Math.min(r, g, b), + max = Math.max(r, g, b), + h = NaN, + s = max - min, + l = (max + min) / 2; + if (s) { + if (r === max) h = (g - b) / s + (g < b) * 6; + else if (g === max) h = (b - r) / s + 2; + else h = (r - g) / s + 4; + s /= l < 0.5 ? max + min : 2 - max - min; + h *= 60; + } else { + s = l > 0 && l < 1 ? 0 : h; + } + return new Hsl(h, s, l, o.opacity); +} + +function hsl(h, s, l, opacity) { + return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity); +} + +function Hsl(h, s, l, opacity) { + this.h = +h; + this.s = +s; + this.l = +l; + this.opacity = +opacity; +} + +define(Hsl, hsl, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Hsl(this.h, this.s, this.l * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Hsl(this.h, this.s, this.l * k, this.opacity); + }, + rgb: function() { + var h = this.h % 360 + (this.h < 0) * 360, + s = isNaN(h) || isNaN(this.s) ? 0 : this.s, + l = this.l, + m2 = l + (l < 0.5 ? l : 1 - l) * s, + m1 = 2 * l - m2; + return new Rgb( + hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2), + hsl2rgb(h, m1, m2), + hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2), + this.opacity + ); + }, + displayable: function() { + return (0 <= this.s && this.s <= 1 || isNaN(this.s)) + && (0 <= this.l && this.l <= 1) + && (0 <= this.opacity && this.opacity <= 1); + } +})); + +/* From FvD 13.37, CSS Color Module Level 3 */ +function hsl2rgb(h, m1, m2) { + return (h < 60 ? m1 + (m2 - m1) * h / 60 + : h < 180 ? m2 + : h < 240 ? m1 + (m2 - m1) * (240 - h) / 60 + : m1) * 255; +} + +var deg2rad = Math.PI / 180; +var rad2deg = 180 / Math.PI; + +var Kn = 18; +var Xn = 0.950470; +var Yn = 1; +var Zn = 1.088830; +var t0 = 4 / 29; +var t1 = 6 / 29; +var t2 = 3 * t1 * t1; +var t3 = t1 * t1 * t1; + +function labConvert(o) { + if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); + if (o instanceof Hcl) { + var h = o.h * deg2rad; + return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); + } + if (!(o instanceof Rgb)) o = rgbConvert(o); + var b = rgb2xyz(o.r), + a = rgb2xyz(o.g), + l = rgb2xyz(o.b), + x = xyz2lab((0.4124564 * b + 0.3575761 * a + 0.1804375 * l) / Xn), + y = xyz2lab((0.2126729 * b + 0.7151522 * a + 0.0721750 * l) / Yn), + z = xyz2lab((0.0193339 * b + 0.1191920 * a + 0.9503041 * l) / Zn); + return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity); +} + +function lab(l, a, b, opacity) { + return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity); +} + +function Lab(l, a, b, opacity) { + this.l = +l; + this.a = +a; + this.b = +b; + this.opacity = +opacity; +} + +define(Lab, lab, extend(Color, { + brighter: function(k) { + return new Lab(this.l + Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); + }, + darker: function(k) { + return new Lab(this.l - Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); + }, + rgb: function() { + var y = (this.l + 16) / 116, + x = isNaN(this.a) ? y : y + this.a / 500, + z = isNaN(this.b) ? y : y - this.b / 200; + y = Yn * lab2xyz(y); + x = Xn * lab2xyz(x); + z = Zn * lab2xyz(z); + return new Rgb( + xyz2rgb( 3.2404542 * x - 1.5371385 * y - 0.4985314 * z), // D65 -> sRGB + xyz2rgb(-0.9692660 * x + 1.8760108 * y + 0.0415560 * z), + xyz2rgb( 0.0556434 * x - 0.2040259 * y + 1.0572252 * z), + this.opacity + ); + } +})); + +function xyz2lab(t) { + return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0; +} + +function lab2xyz(t) { + return t > t1 ? t * t * t : t2 * (t - t0); +} + +function xyz2rgb(x) { + return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055); +} + +function rgb2xyz(x) { + return (x /= 255) <= 0.04045 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4); +} + +function hclConvert(o) { + if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); + if (!(o instanceof Lab)) o = labConvert(o); + var h = Math.atan2(o.b, o.a) * rad2deg; + return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); +} + +function hcl(h, c, l, opacity) { + return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity); +} + +function Hcl(h, c, l, opacity) { + this.h = +h; + this.c = +c; + this.l = +l; + this.opacity = +opacity; +} + +define(Hcl, hcl, extend(Color, { + brighter: function(k) { + return new Hcl(this.h, this.c, this.l + Kn * (k == null ? 1 : k), this.opacity); + }, + darker: function(k) { + return new Hcl(this.h, this.c, this.l - Kn * (k == null ? 1 : k), this.opacity); + }, + rgb: function() { + return labConvert(this).rgb(); + } +})); + +var A = -0.14861; +var B = +1.78277; +var C = -0.29227; +var D = -0.90649; +var E = +1.97294; +var ED = E * D; +var EB = E * B; +var BC_DA = B * C - D * A; + +function cubehelixConvert(o) { + if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity); + if (!(o instanceof Rgb)) o = rgbConvert(o); + var r = o.r / 255, + g = o.g / 255, + b = o.b / 255, + l = (BC_DA * b + ED * r - EB * g) / (BC_DA + ED - EB), + bl = b - l, + k = (E * (g - l) - C * bl) / D, + s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1 + h = s ? Math.atan2(k, bl) * rad2deg - 120 : NaN; + return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity); +} + +function cubehelix(h, s, l, opacity) { + return arguments.length === 1 ? cubehelixConvert(h) : new Cubehelix(h, s, l, opacity == null ? 1 : opacity); +} + +function Cubehelix(h, s, l, opacity) { + this.h = +h; + this.s = +s; + this.l = +l; + this.opacity = +opacity; +} + +define(Cubehelix, cubehelix, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Cubehelix(this.h, this.s, this.l * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Cubehelix(this.h, this.s, this.l * k, this.opacity); + }, + rgb: function() { + var h = isNaN(this.h) ? 0 : (this.h + 120) * deg2rad, + l = +this.l, + a = isNaN(this.s) ? 0 : this.s * l * (1 - l), + cosh = Math.cos(h), + sinh = Math.sin(h); + return new Rgb( + 255 * (l + a * (A * cosh + B * sinh)), + 255 * (l + a * (C * cosh + D * sinh)), + 255 * (l + a * (E * cosh)), + this.opacity + ); } +})); + +function basis$1(t1, v0, v1, v2, v3) { + var t2 = t1 * t1, t3 = t2 * t1; + return ((1 - 3 * t1 + 3 * t2 - t3) * v0 + + (4 - 6 * t2 + 3 * t3) * v1 + + (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2 + + t3 * v3) / 6; +} + +var basis$2 = function(values) { + var n = values.length - 1; + return function(t) { + var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n), + v1 = values[i], + v2 = values[i + 1], + v0 = i > 0 ? values[i - 1] : 2 * v1 - v2, + v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; + return basis$1((t - i / n) * n, v0, v1, v2, v3); + }; +} + +var basisClosed$1 = function(values) { + var n = values.length; + return function(t) { + var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n), + v0 = values[(i + n - 1) % n], + v1 = values[i % n], + v2 = values[(i + 1) % n], + v3 = values[(i + 2) % n]; + return basis$1((t - i / n) * n, v0, v1, v2, v3); + }; +} - function pie() { - var value = identity$1, - sortValues = descending$1, - sort = null, - startAngle = constant$1(0), - endAngle = constant$1(tau$2), - padAngle = constant$1(0); +var constant$3 = function(x) { + return function() { + return x; + }; +} - function pie(data) { - var i, - n = data.length, - j, - k, - sum = 0, - index = new Array(n), - arcs = new Array(n), - a0 = +startAngle.apply(this, arguments), - da = Math.min(tau$2, Math.max(-tau$2, endAngle.apply(this, arguments) - a0)), - a1, - p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)), - pa = p * (da < 0 ? -1 : 1), - v; +function linear$1(a, d) { + return function(t) { + return a + t * d; + }; +} - for (i = 0; i < n; ++i) { - if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) { - sum += v; - } - } +function exponential$1(a, b, y) { + return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) { + return Math.pow(a + t * b, y); + }; +} - // Optionally sort the arcs by previously-computed values or by data. - if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); }); - else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); }); +function hue(a, b) { + var d = b - a; + return d ? linear$1(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$3(isNaN(a) ? b : a); +} - // Compute the arcs! They are stored in the original data's order. - for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) { - j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = { - data: data[j], - index: i, - value: v, - startAngle: a0, - endAngle: a1, - padAngle: p - }; - } +function gamma(y) { + return (y = +y) === 1 ? nogamma : function(a, b) { + return b - a ? exponential$1(a, b, y) : constant$3(isNaN(a) ? b : a); + }; +} - return arcs; - } +function nogamma(a, b) { + var d = b - a; + return d ? linear$1(a, d) : constant$3(isNaN(a) ? b : a); +} - pie.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$1(+_), pie) : value; - }; +var interpolateRgb = (function rgbGamma(y) { + var color$$1 = gamma(y); - pie.sortValues = function(_) { - return arguments.length ? (sortValues = _, sort = null, pie) : sortValues; + function rgb$$1(start, end) { + var r = color$$1((start = rgb(start)).r, (end = rgb(end)).r), + g = color$$1(start.g, end.g), + b = color$$1(start.b, end.b), + opacity = color$$1(start.opacity, end.opacity); + return function(t) { + start.r = r(t); + start.g = g(t); + start.b = b(t); + start.opacity = opacity(t); + return start + ""; }; + } - pie.sort = function(_) { - return arguments.length ? (sort = _, sortValues = null, pie) : sort; - }; + rgb$$1.gamma = rgbGamma; - pie.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : startAngle; - }; + return rgb$$1; +})(1); - pie.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : endAngle; +function rgbSpline(spline) { + return function(colors) { + var n = colors.length, + r = new Array(n), + g = new Array(n), + b = new Array(n), + i, color$$1; + for (i = 0; i < n; ++i) { + color$$1 = rgb(colors[i]); + r[i] = color$$1.r || 0; + g[i] = color$$1.g || 0; + b[i] = color$$1.b || 0; + } + r = spline(r); + g = spline(g); + b = spline(b); + color$$1.opacity = 1; + return function(t) { + color$$1.r = r(t); + color$$1.g = g(t); + color$$1.b = b(t); + return color$$1 + ""; }; + }; +} - pie.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : padAngle; - }; +var rgbBasis = rgbSpline(basis$2); +var rgbBasisClosed = rgbSpline(basisClosed$1); - return pie; - } +var array$1 = function(a, b) { + var nb = b ? b.length : 0, + na = a ? Math.min(nb, a.length) : 0, + x = new Array(nb), + c = new Array(nb), + i; - var curveRadialLinear = curveRadial(curveLinear); + for (i = 0; i < na; ++i) x[i] = interpolate(a[i], b[i]); + for (; i < nb; ++i) c[i] = b[i]; - function Radial(curve) { - this._curve = curve; - } + return function(t) { + for (i = 0; i < na; ++i) c[i] = x[i](t); + return c; + }; +} - Radial.prototype = { - areaStart: function() { - this._curve.areaStart(); - }, - areaEnd: function() { - this._curve.areaEnd(); - }, - lineStart: function() { - this._curve.lineStart(); - }, - lineEnd: function() { - this._curve.lineEnd(); - }, - point: function(a, r) { - this._curve.point(r * Math.sin(a), r * -Math.cos(a)); - } +var date = function(a, b) { + var d = new Date; + return a = +a, b -= a, function(t) { + return d.setTime(a + b * t), d; }; +} - function curveRadial(curve) { +var interpolateNumber = function(a, b) { + return a = +a, b -= a, function(t) { + return a + b * t; + }; +} - function radial(context) { - return new Radial(curve(context)); - } +var object = function(a, b) { + var i = {}, + c = {}, + k; - radial._curve = curve; + if (a === null || typeof a !== "object") a = {}; + if (b === null || typeof b !== "object") b = {}; - return radial; + for (k in b) { + if (k in a) { + i[k] = interpolate(a[k], b[k]); + } else { + c[k] = b[k]; + } } - function radialLine(l) { - var c = l.curve; + return function(t) { + for (k in i) c[k] = i[k](t); + return c; + }; +} - l.angle = l.x, delete l.x; - l.radius = l.y, delete l.y; +var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; +var reB = new RegExp(reA.source, "g"); - l.curve = function(_) { - return arguments.length ? c(curveRadial(_)) : c()._curve; - }; +function zero(b) { + return function() { + return b; + }; +} - return l; +function one(b) { + return function(t) { + return b(t) + ""; + }; +} + +var interpolateString = function(a, b) { + var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b + am, // current match in a + bm, // current match in b + bs, // string preceding current number in b, if any + i = -1, // index in s + s = [], // string constants and placeholders + q = []; // number interpolators + + // Coerce inputs to strings. + a = a + "", b = b + ""; + + // Interpolate pairs of numbers in a & b. + while ((am = reA.exec(a)) + && (bm = reB.exec(b))) { + if ((bs = bm.index) > bi) { // a string precedes the next number in b + bs = b.slice(bi, bs); + if (s[i]) s[i] += bs; // coalesce with previous string + else s[++i] = bs; + } + if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match + if (s[i]) s[i] += bm; // coalesce with previous string + else s[++i] = bm; + } else { // interpolate non-matching numbers + s[++i] = null; + q.push({i: i, x: interpolateNumber(am, bm)}); + } + bi = reB.lastIndex; } - function radialLine$1() { - return radialLine(line().curve(curveRadialLinear)); + // Add remains of b. + if (bi < b.length) { + bs = b.slice(bi); + if (s[i]) s[i] += bs; // coalesce with previous string + else s[++i] = bs; } - function radialArea() { - var a = area$1().curve(curveRadialLinear), - c = a.curve, - x0 = a.lineX0, - x1 = a.lineX1, - y0 = a.lineY0, - y1 = a.lineY1; - - a.angle = a.x, delete a.x; - a.startAngle = a.x0, delete a.x0; - a.endAngle = a.x1, delete a.x1; - a.radius = a.y, delete a.y; - a.innerRadius = a.y0, delete a.y0; - a.outerRadius = a.y1, delete a.y1; - a.lineStartAngle = function() { return radialLine(x0()); }, delete a.lineX0; - a.lineEndAngle = function() { return radialLine(x1()); }, delete a.lineX1; - a.lineInnerRadius = function() { return radialLine(y0()); }, delete a.lineY0; - a.lineOuterRadius = function() { return radialLine(y1()); }, delete a.lineY1; - - a.curve = function(_) { - return arguments.length ? c(curveRadial(_)) : c()._curve; - }; - - return a; - } - - var circle = { - draw: function(context, size) { - var r = Math.sqrt(size / pi$2); - context.moveTo(r, 0); - context.arc(0, 0, r, 0, tau$2); - } - }; - - var cross$1 = { - draw: function(context, size) { - var r = Math.sqrt(size / 5) / 2; - context.moveTo(-3 * r, -r); - context.lineTo(-r, -r); - context.lineTo(-r, -3 * r); - context.lineTo(r, -3 * r); - context.lineTo(r, -r); - context.lineTo(3 * r, -r); - context.lineTo(3 * r, r); - context.lineTo(r, r); - context.lineTo(r, 3 * r); - context.lineTo(-r, 3 * r); - context.lineTo(-r, r); - context.lineTo(-3 * r, r); - context.closePath(); - } - }; - - var tan30 = Math.sqrt(1 / 3); - var tan30_2 = tan30 * 2; - var diamond = { - draw: function(context, size) { - var y = Math.sqrt(size / tan30_2), - x = y * tan30; - context.moveTo(0, -y); - context.lineTo(x, 0); - context.lineTo(0, y); - context.lineTo(-x, 0); - context.closePath(); - } - }; - - var ka = 0.89081309152928522810; - var kr = Math.sin(pi$2 / 10) / Math.sin(7 * pi$2 / 10); - var kx = Math.sin(tau$2 / 10) * kr; - var ky = -Math.cos(tau$2 / 10) * kr; - var star = { - draw: function(context, size) { - var r = Math.sqrt(size * ka), - x = kx * r, - y = ky * r; - context.moveTo(0, -r); - context.lineTo(x, y); - for (var i = 1; i < 5; ++i) { - var a = tau$2 * i / 5, - c = Math.cos(a), - s = Math.sin(a); - context.lineTo(s * r, -c * r); - context.lineTo(c * x - s * y, s * x + c * y); - } - context.closePath(); - } - }; - - var square = { - draw: function(context, size) { - var w = Math.sqrt(size), - x = -w / 2; - context.rect(x, x, w, w); - } - }; - - var sqrt3 = Math.sqrt(3); - - var triangle = { - draw: function(context, size) { - var y = -Math.sqrt(size / (sqrt3 * 3)); - context.moveTo(0, y * 2); - context.lineTo(-sqrt3 * y, -y); - context.lineTo(sqrt3 * y, -y); - context.closePath(); - } - }; - - var c = -0.5; - var s = Math.sqrt(3) / 2; - var k = 1 / Math.sqrt(12); - var a = (k / 2 + 1) * 3; - var wye = { - draw: function(context, size) { - var r = Math.sqrt(size / a), - x0 = r / 2, - y0 = r * k, - x1 = x0, - y1 = r * k + r, - x2 = -x1, - y2 = y1; - context.moveTo(x0, y0); - context.lineTo(x1, y1); - context.lineTo(x2, y2); - context.lineTo(c * x0 - s * y0, s * x0 + c * y0); - context.lineTo(c * x1 - s * y1, s * x1 + c * y1); - context.lineTo(c * x2 - s * y2, s * x2 + c * y2); - context.lineTo(c * x0 + s * y0, c * y0 - s * x0); - context.lineTo(c * x1 + s * y1, c * y1 - s * x1); - context.lineTo(c * x2 + s * y2, c * y2 - s * x2); - context.closePath(); - } - }; - - var symbols = [ - circle, - cross$1, - diamond, - square, - star, - triangle, - wye - ]; - - function symbol() { - var type = constant$1(circle), - size = constant$1(64), - context = null; + // Special optimization for only a single match. + // Otherwise, interpolate each of the numbers and rejoin the string. + return s.length < 2 ? (q[0] + ? one(q[0].x) + : zero(b)) + : (b = q.length, function(t) { + for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); + return s.join(""); + }); +} + +var interpolate = function(a, b) { + var t = typeof b, c; + return b == null || t === "boolean" ? constant$3(b) + : (t === "number" ? interpolateNumber + : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) + : b instanceof color ? interpolateRgb + : b instanceof Date ? date + : Array.isArray(b) ? array$1 + : isNaN(b) ? object + : interpolateNumber)(a, b); +} + +var interpolateRound = function(a, b) { + return a = +a, b -= a, function(t) { + return Math.round(a + b * t); + }; +} + +var degrees = 180 / Math.PI; + +var identity$2 = { + translateX: 0, + translateY: 0, + rotate: 0, + skewX: 0, + scaleX: 1, + scaleY: 1 +}; + +var decompose = function(a, b, c, d, e, f) { + var scaleX, scaleY, skewX; + if (scaleX = Math.sqrt(a * a + b * b)) a /= scaleX, b /= scaleX; + if (skewX = a * c + b * d) c -= a * skewX, d -= b * skewX; + if (scaleY = Math.sqrt(c * c + d * d)) c /= scaleY, d /= scaleY, skewX /= scaleY; + if (a * d < b * c) a = -a, b = -b, skewX = -skewX, scaleX = -scaleX; + return { + translateX: e, + translateY: f, + rotate: Math.atan2(b, a) * degrees, + skewX: Math.atan(skewX) * degrees, + scaleX: scaleX, + scaleY: scaleY + }; +} - function symbol() { - var buffer; - if (!context) context = buffer = path(); - type.apply(this, arguments).draw(context, +size.apply(this, arguments)); - if (buffer) return context = null, buffer + "" || null; - } +var cssNode; +var cssRoot; +var cssView; +var svgNode; - symbol.type = function(_) { - return arguments.length ? (type = typeof _ === "function" ? _ : constant$1(_), symbol) : type; - }; +function parseCss(value) { + if (value === "none") return identity$2; + if (!cssNode) cssNode = document.createElement("DIV"), cssRoot = document.documentElement, cssView = document.defaultView; + cssNode.style.transform = value; + value = cssView.getComputedStyle(cssRoot.appendChild(cssNode), null).getPropertyValue("transform"); + cssRoot.removeChild(cssNode); + value = value.slice(7, -1).split(","); + return decompose(+value[0], +value[1], +value[2], +value[3], +value[4], +value[5]); +} - symbol.size = function(_) { - return arguments.length ? (size = typeof _ === "function" ? _ : constant$1(+_), symbol) : size; - }; +function parseSvg(value) { + if (value == null) return identity$2; + if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g"); + svgNode.setAttribute("transform", value); + if (!(value = svgNode.transform.baseVal.consolidate())) return identity$2; + value = value.matrix; + return decompose(value.a, value.b, value.c, value.d, value.e, value.f); +} - symbol.context = function(_) { - return arguments.length ? (context = _ == null ? null : _, symbol) : context; - }; +function interpolateTransform(parse, pxComma, pxParen, degParen) { - return symbol; + function pop(s) { + return s.length ? s.pop() + " " : ""; } - function noop() {} - - function point(that, x, y) { - that._context.bezierCurveTo( - (2 * that._x0 + that._x1) / 3, - (2 * that._y0 + that._y1) / 3, - (that._x0 + 2 * that._x1) / 3, - (that._y0 + 2 * that._y1) / 3, - (that._x0 + 4 * that._x1 + x) / 6, - (that._y0 + 4 * that._y1 + y) / 6 - ); + function translate(xa, ya, xb, yb, s, q) { + if (xa !== xb || ya !== yb) { + var i = s.push("translate(", null, pxComma, null, pxParen); + q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); + } else if (xb || yb) { + s.push("translate(" + xb + pxComma + yb + pxParen); + } } - function Basis(context) { - this._context = context; + function rotate(a, b, s, q) { + if (a !== b) { + if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path + q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: interpolateNumber(a, b)}); + } else if (b) { + s.push(pop(s) + "rotate(" + b + degParen); + } } - Basis.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 3: point(this, this._x1, this._y1); // proceed - case 2: this._context.lineTo(this._x1, this._y1); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed - default: point(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; + function skewX(a, b, s, q) { + if (a !== b) { + q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: interpolateNumber(a, b)}); + } else if (b) { + s.push(pop(s) + "skewX(" + b + degParen); } - }; - - function basis(context) { - return new Basis(context); } - function BasisClosed(context) { - this._context = context; + function scale(xa, ya, xb, yb, s, q) { + if (xa !== xb || ya !== yb) { + var i = s.push(pop(s) + "scale(", null, ",", null, ")"); + q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); + } else if (xb !== 1 || yb !== 1) { + s.push(pop(s) + "scale(" + xb + "," + yb + ")"); + } } - BasisClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x2, this._y2); - this._context.closePath(); - break; - } - case 2: { - this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3); - this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3); - this._context.closePath(); - break; - } - case 3: { - this.point(this._x2, this._y2); - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - break; - } - } - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._x2 = x, this._y2 = y; break; - case 1: this._point = 2; this._x3 = x, this._y3 = y; break; - case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break; - default: point(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - } + return function(a, b) { + var s = [], // string constants and placeholders + q = []; // number interpolators + a = parse(a), b = parse(b); + translate(a.translateX, a.translateY, b.translateX, b.translateY, s, q); + rotate(a.rotate, b.rotate, s, q); + skewX(a.skewX, b.skewX, s, q); + scale(a.scaleX, a.scaleY, b.scaleX, b.scaleY, s, q); + a = b = null; // gc + return function(t) { + var i = -1, n = q.length, o; + while (++i < n) s[(o = q[i]).i] = o.x(t); + return s.join(""); + }; }; - - function basisClosed(context) { - return new BasisClosed(context); +} + +var interpolateTransformCss = interpolateTransform(parseCss, "px, ", "px)", "deg)"); +var interpolateTransformSvg = interpolateTransform(parseSvg, ", ", ")", ")"); + +var rho = Math.SQRT2; +var rho2 = 2; +var rho4 = 4; +var epsilon2 = 1e-12; + +function cosh(x) { + return ((x = Math.exp(x)) + 1 / x) / 2; +} + +function sinh(x) { + return ((x = Math.exp(x)) - 1 / x) / 2; +} + +function tanh(x) { + return ((x = Math.exp(2 * x)) - 1) / (x + 1); +} + +// p0 = [ux0, uy0, w0] +// p1 = [ux1, uy1, w1] +var interpolateZoom = function(p0, p1) { + var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], + ux1 = p1[0], uy1 = p1[1], w1 = p1[2], + dx = ux1 - ux0, + dy = uy1 - uy0, + d2 = dx * dx + dy * dy, + i, + S; + + // Special case for u0 ≅ u1. + if (d2 < epsilon2) { + S = Math.log(w1 / w0) / rho; + i = function(t) { + return [ + ux0 + t * dx, + uy0 + t * dy, + w0 * Math.exp(rho * t * S) + ]; + } } - function BasisOpen(context) { - this._context = context; + // General case. + else { + var d1 = Math.sqrt(d2), + b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), + b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), + r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), + r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); + S = (r1 - r0) / rho; + i = function(t) { + var s = t * S, + coshr0 = cosh(r0), + u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0)); + return [ + ux0 + u * dx, + uy0 + u * dy, + w0 * coshr0 / cosh(rho * s + r0) + ]; + } } - BasisOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = NaN; - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; - case 3: this._point = 4; // proceed - default: point(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - } - }; + i.duration = S * 1000; - function basisOpen(context) { - return new BasisOpen(context); - } + return i; +} - function Bundle(context, beta) { - this._basis = new Basis(context); - this._beta = beta; +function hsl$1(hue$$1) { + return function(start, end) { + var h = hue$$1((start = hsl(start)).h, (end = hsl(end)).h), + s = nogamma(start.s, end.s), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.s = s(t); + start.l = l(t); + start.opacity = opacity(t); + return start + ""; + }; } +} - Bundle.prototype = { - lineStart: function() { - this._x = []; - this._y = []; - this._basis.lineStart(); - }, - lineEnd: function() { - var x = this._x, - y = this._y, - j = x.length - 1; - - if (j > 0) { - var x0 = x[0], - y0 = y[0], - dx = x[j] - x0, - dy = y[j] - y0, - i = -1, - t; - - while (++i <= j) { - t = i / j; - this._basis.point( - this._beta * x[i] + (1 - this._beta) * (x0 + t * dx), - this._beta * y[i] + (1 - this._beta) * (y0 + t * dy) - ); - } - } +var hsl$2 = hsl$1(hue); +var hslLong = hsl$1(nogamma); - this._x = this._y = null; - this._basis.lineEnd(); - }, - point: function(x, y) { - this._x.push(+x); - this._y.push(+y); - } +function lab$1(start, end) { + var l = nogamma((start = lab(start)).l, (end = lab(end)).l), + a = nogamma(start.a, end.a), + b = nogamma(start.b, end.b), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.l = l(t); + start.a = a(t); + start.b = b(t); + start.opacity = opacity(t); + return start + ""; }; +} - var bundle = (function custom(beta) { - - function bundle(context) { - return beta === 1 ? new Basis(context) : new Bundle(context, beta); - } - - bundle.beta = function(beta) { - return custom(+beta); - }; - - return bundle; - })(0.85); - - function point$1(that, x, y) { - that._context.bezierCurveTo( - that._x1 + that._k * (that._x2 - that._x0), - that._y1 + that._k * (that._y2 - that._y0), - that._x2 + that._k * (that._x1 - x), - that._y2 + that._k * (that._y1 - y), - that._x2, - that._y2 - ); +function hcl$1(hue$$1) { + return function(start, end) { + var h = hue$$1((start = hcl(start)).h, (end = hcl(end)).h), + c = nogamma(start.c, end.c), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.c = c(t); + start.l = l(t); + start.opacity = opacity(t); + return start + ""; + }; } +} + +var hcl$2 = hcl$1(hue); +var hclLong = hcl$1(nogamma); + +function cubehelix$1(hue$$1) { + return (function cubehelixGamma(y) { + y = +y; + + function cubehelix$$1(start, end) { + var h = hue$$1((start = cubehelix(start)).h, (end = cubehelix(end)).h), + s = nogamma(start.s, end.s), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.s = s(t); + start.l = l(Math.pow(t, y)); + start.opacity = opacity(t); + return start + ""; + }; + } + + cubehelix$$1.gamma = cubehelixGamma; + + return cubehelix$$1; + })(1); +} + +var cubehelix$2 = cubehelix$1(hue); +var cubehelixLong = cubehelix$1(nogamma); + +var quantize = function(interpolator, n) { + var samples = new Array(n); + for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); + return samples; +} - function Cardinal(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; +var noop$1 = {value: function() {}}; + +function dispatch() { + for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { + if (!(t = arguments[i] + "") || (t in _)) throw new Error("illegal type: " + t); + _[t] = []; } + return new Dispatch(_); +} - Cardinal.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x2, this._y2); break; - case 3: point$1(this, this._x1, this._y1); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; this._x1 = x, this._y1 = y; break; - case 2: this._point = 3; // proceed - default: point$1(this, x, y); break; - } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; +function Dispatch(_) { + this._ = _; +} + +function parseTypenames(typenames, types) { + return typenames.trim().split(/^|\s+/).map(function(t) { + var name = "", i = t.indexOf("."); + if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); + if (t && !types.hasOwnProperty(t)) throw new Error("unknown type: " + t); + return {type: t, name: name}; + }); +} + +Dispatch.prototype = dispatch.prototype = { + constructor: Dispatch, + on: function(typename, callback) { + var _ = this._, + T = parseTypenames(typename + "", _), + t, + i = -1, + n = T.length; + + // If no callback was specified, return the callback of the given type and name. + if (arguments.length < 2) { + while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t; + return; + } + + // If a type was specified, set the callback for the given type and name. + // Otherwise, if a null callback was specified, remove callbacks of the given name. + if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback); + while (++i < n) { + if (t = (typename = T[i]).type) _[t] = set$2(_[t], typename.name, callback); + else if (callback == null) for (t in _) _[t] = set$2(_[t], typename.name, null); } + + return this; + }, + copy: function() { + var copy = {}, _ = this._; + for (var t in _) copy[t] = _[t].slice(); + return new Dispatch(copy); + }, + call: function(type, that) { + if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) args[i] = arguments[i + 2]; + if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); + for (t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); + }, + apply: function(type, that, args) { + if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); + for (var t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); + } +}; + +function get(type, name) { + for (var i = 0, n = type.length, c; i < n; ++i) { + if ((c = type[i]).name === name) { + return c.value; + } + } +} + +function set$2(type, name, callback) { + for (var i = 0, n = type.length; i < n; ++i) { + if (type[i].name === name) { + type[i] = noop$1, type = type.slice(0, i).concat(type.slice(i + 1)); + break; + } + } + if (callback != null) type.push({name: name, value: callback}); + return type; +} + +function objectConverter(columns) { + return new Function("d", "return {" + columns.map(function(name, i) { + return JSON.stringify(name) + ": d[" + i + "]"; + }).join(",") + "}"); +} + +function customConverter(columns, f) { + var object = objectConverter(columns); + return function(row, i) { + return f(object(row), i, columns); }; +} - var cardinal = (function custom(tension) { +// Compute unique columns in order of discovery. +function inferColumns(rows) { + var columnSet = Object.create(null), + columns = []; - function cardinal(context) { - return new Cardinal(context, tension); + rows.forEach(function(row) { + for (var column in row) { + if (!(column in columnSet)) { + columns.push(columnSet[column] = column); + } } + }); - cardinal.tension = function(tension) { - return custom(+tension); - }; + return columns; +} - return cardinal; - })(0); +var dsv = function(delimiter) { + var reFormat = new RegExp("[\"" + delimiter + "\n]"), + delimiterCode = delimiter.charCodeAt(0); - function CardinalClosed(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; + function parse(text, f) { + var convert, columns, rows = parseRows(text, function(row, i) { + if (convert) return convert(row, i - 1); + columns = row, convert = f ? customConverter(row, f) : objectConverter(row); + }); + rows.columns = columns; + return rows; } - CardinalClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 2: { - this._context.lineTo(this._x3, this._y3); - this._context.closePath(); - break; + function parseRows(text, f) { + var EOL = {}, // sentinel value for end-of-line + EOF = {}, // sentinel value for end-of-file + rows = [], // output rows + N = text.length, + I = 0, // current character index + n = 0, // the current line number + t, // the current token + eol; // is the current token followed by EOL? + + function token() { + if (I >= N) return EOF; // special case: end of file + if (eol) return eol = false, EOL; // special case: end of line + + // special case: quotes + var j = I, c; + if (text.charCodeAt(j) === 34) { + var i = j; + while (i++ < N) { + if (text.charCodeAt(i) === 34) { + if (text.charCodeAt(i + 1) !== 34) break; + ++i; + } } - case 3: { - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - this.point(this._x5, this._y5); - break; + I = i + 2; + c = text.charCodeAt(i + 1); + if (c === 13) { + eol = true; + if (text.charCodeAt(i + 2) === 10) ++I; + } else if (c === 10) { + eol = true; } + return text.slice(j + 1, i).replace(/""/g, "\""); } - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._x3 = x, this._y3 = y; break; - case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; - case 2: this._point = 3; this._x5 = x, this._y5 = y; break; - default: point$1(this, x, y); break; + + // common case: find next delimiter or newline + while (I < N) { + var k = 1; + c = text.charCodeAt(I++); + if (c === 10) eol = true; // \n + else if (c === 13) { eol = true; if (text.charCodeAt(I) === 10) ++I, ++k; } // \r|\r\n + else if (c !== delimiterCode) continue; + return text.slice(j, I - k); } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } - }; - var cardinalClosed = (function custom(tension) { + // special case: last token before EOF + return text.slice(j); + } - function cardinal(context) { - return new CardinalClosed(context, tension); + while ((t = token()) !== EOF) { + var a = []; + while (t !== EOL && t !== EOF) { + a.push(t); + t = token(); + } + if (f && (a = f(a, n++)) == null) continue; + rows.push(a); } - cardinal.tension = function(tension) { - return custom(+tension); - }; + return rows; + } + + function format(rows, columns) { + if (columns == null) columns = inferColumns(rows); + return [columns.map(formatValue).join(delimiter)].concat(rows.map(function(row) { + return columns.map(function(column) { + return formatValue(row[column]); + }).join(delimiter); + })).join("\n"); + } - return cardinal; - })(0); + function formatRows(rows) { + return rows.map(formatRow).join("\n"); + } + + function formatRow(row) { + return row.map(formatValue).join(delimiter); + } + + function formatValue(text) { + return text == null ? "" + : reFormat.test(text += "") ? "\"" + text.replace(/\"/g, "\"\"") + "\"" + : text; + } - function CardinalOpen(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; + return { + parse: parse, + parseRows: parseRows, + format: format, + formatRows: formatRows + }; +} + +var csv = dsv(","); + +var csvParse = csv.parse; +var csvParseRows = csv.parseRows; +var csvFormat = csv.format; +var csvFormatRows = csv.formatRows; + +var tsv = dsv("\t"); + +var tsvParse = tsv.parse; +var tsvParseRows = tsv.parseRows; +var tsvFormat = tsv.format; +var tsvFormatRows = tsv.formatRows; + +var request = function(url, callback) { + var request, + event = dispatch("beforesend", "progress", "load", "error"), + mimeType, + headers = map$1(), + xhr = new XMLHttpRequest, + user = null, + password = null, + response, + responseType, + timeout = 0; + + // If IE does not support CORS, use XDomainRequest. + if (typeof XDomainRequest !== "undefined" + && !("withCredentials" in xhr) + && /^(http(s)?:)?\/\//.test(url)) xhr = new XDomainRequest; + + "onload" in xhr + ? xhr.onload = xhr.onerror = xhr.ontimeout = respond + : xhr.onreadystatechange = function(o) { xhr.readyState > 3 && respond(o); }; + + function respond(o) { + var status = xhr.status, result; + if (!status && hasResponse(xhr) + || status >= 200 && status < 300 + || status === 304) { + if (response) { + try { + result = response.call(request, xhr); + } catch (e) { + event.call("error", request, e); + return; + } + } else { + result = xhr; + } + event.call("load", request, result); + } else { + event.call("error", request, o); + } } - CardinalOpen.prototype = { - areaStart: function() { - this._line = 0; + xhr.onprogress = function(e) { + event.call("progress", request, e); + }; + + request = { + header: function(name, value) { + name = (name + "").toLowerCase(); + if (arguments.length < 2) return headers.get(name); + if (value == null) headers.remove(name); + else headers.set(name, value + ""); + return request; }, - areaEnd: function() { - this._line = NaN; + + // If mimeType is non-null and no Accept header is set, a default is used. + mimeType: function(value) { + if (!arguments.length) return mimeType; + mimeType = value == null ? null : value + ""; + return request; }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._point = 0; + + // Specifies what type the response value should take; + // for instance, arraybuffer, blob, document, or text. + responseType: function(value) { + if (!arguments.length) return responseType; + responseType = value; + return request; }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; + + timeout: function(value) { + if (!arguments.length) return timeout; + timeout = +value; + return request; + }, + + user: function(value) { + return arguments.length < 1 ? user : (user = value == null ? null : value + "", request); }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed - default: point$1(this, x, y); break; - } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } - }; - var cardinalOpen = (function custom(tension) { + password: function(value) { + return arguments.length < 1 ? password : (password = value == null ? null : value + "", request); + }, - function cardinal(context) { - return new CardinalOpen(context, tension); - } + // Specify how to convert the response content to a specific type; + // changes the callback value on "load" events. + response: function(value) { + response = value; + return request; + }, - cardinal.tension = function(tension) { - return custom(+tension); - }; + // Alias for send("GET", …). + get: function(data, callback) { + return request.send("GET", data, callback); + }, - return cardinal; - })(0); + // Alias for send("POST", …). + post: function(data, callback) { + return request.send("POST", data, callback); + }, - function point$2(that, x, y) { - var x1 = that._x1, - y1 = that._y1, - x2 = that._x2, - y2 = that._y2; + // If callback is non-null, it will be used for error and load events. + send: function(method, data, callback) { + xhr.open(method, url, true, user, password); + if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*"); + if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); }); + if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType); + if (responseType != null) xhr.responseType = responseType; + if (timeout > 0) xhr.timeout = timeout; + if (callback == null && typeof data === "function") callback = data, data = null; + if (callback != null && callback.length === 1) callback = fixCallback(callback); + if (callback != null) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); }); + event.call("beforesend", request, xhr); + xhr.send(data == null ? null : data); + return request; + }, - if (that._l01_a > epsilon$1) { - var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a, - n = 3 * that._l01_a * (that._l01_a + that._l12_a); - x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n; - y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n; - } + abort: function() { + xhr.abort(); + return request; + }, - if (that._l23_a > epsilon$1) { - var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a, - m = 3 * that._l23_a * (that._l23_a + that._l12_a); - x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m; - y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m; + on: function() { + var value = event.on.apply(event, arguments); + return value === event ? request : value; } + }; - that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2); + if (callback != null) { + if (typeof callback !== "function") throw new Error("invalid callback: " + callback); + return request.get(callback); } - function CatmullRom(context, alpha) { - this._context = context; - this._alpha = alpha; + return request; +} + +function fixCallback(callback) { + return function(error, xhr) { + callback(error == null ? xhr : null); + }; +} + +function hasResponse(xhr) { + var type = xhr.responseType; + return type && type !== "text" + ? xhr.response // null on error + : xhr.responseText; // "" on error +} + +var type = function(defaultMimeType, response) { + return function(url, callback) { + var r = request(url).mimeType(defaultMimeType).response(response); + if (callback != null) { + if (typeof callback !== "function") throw new Error("invalid callback: " + callback); + return r.get(callback); + } + return r; + }; +} + +var html = type("text/html", function(xhr) { + return document.createRange().createContextualFragment(xhr.responseText); +}); + +var json = type("application/json", function(xhr) { + return JSON.parse(xhr.responseText); +}); + +var text = type("text/plain", function(xhr) { + return xhr.responseText; +}); + +var xml = type("application/xml", function(xhr) { + var xml = xhr.responseXML; + if (!xml) throw new Error("parse error"); + return xml; +}); + +var dsv$1 = function(defaultMimeType, parse) { + return function(url, row, callback) { + if (arguments.length < 3) callback = row, row = null; + var r = request(url).mimeType(defaultMimeType); + r.row = function(_) { return arguments.length ? r.response(responseOf(parse, row = _)) : row; }; + r.row(row); + return callback ? r.get(callback) : r; + }; +} + +function responseOf(parse, row) { + return function(request$$1) { + return parse(request$$1.responseText, row); + }; +} + +var csv$1 = dsv$1("text/csv", csvParse); + +var tsv$1 = dsv$1("text/tab-separated-values", tsvParse); + +var frame = 0; +var timeout = 0; +var interval = 0; +var pokeDelay = 1000; +var taskHead; +var taskTail; +var clockLast = 0; +var clockNow = 0; +var clockSkew = 0; +var clock = typeof performance === "object" && performance.now ? performance : Date; +var setFrame = typeof requestAnimationFrame === "function" ? requestAnimationFrame : function(f) { setTimeout(f, 17); }; + +function now() { + return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew); +} + +function clearNow() { + clockNow = 0; +} + +function Timer() { + this._call = + this._time = + this._next = null; +} + +Timer.prototype = timer.prototype = { + constructor: Timer, + restart: function(callback, delay, time) { + if (typeof callback !== "function") throw new TypeError("callback is not a function"); + time = (time == null ? now() : +time) + (delay == null ? 0 : +delay); + if (!this._next && taskTail !== this) { + if (taskTail) taskTail._next = this; + else taskHead = this; + taskTail = this; + } + this._call = callback; + this._time = time; + sleep(); + }, + stop: function() { + if (this._call) { + this._call = null; + this._time = Infinity; + sleep(); + } + } +}; + +function timer(callback, delay, time) { + var t = new Timer; + t.restart(callback, delay, time); + return t; +} + +function timerFlush() { + now(); // Get the current time, if not already set. + ++frame; // Pretend we’ve set an alarm, if we haven’t already. + var t = taskHead, e; + while (t) { + if ((e = clockNow - t._time) >= 0) t._call.call(null, e); + t = t._next; + } + --frame; +} + +function wake() { + clockNow = (clockLast = clock.now()) + clockSkew; + frame = timeout = 0; + try { + timerFlush(); + } finally { + frame = 0; + nap(); + clockNow = 0; } +} - CatmullRom.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x2, this._y2); break; - case 3: this.point(this, this._x2, this._y2); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; +function poke$1() { + var now = clock.now(), delay = now - clockLast; + if (delay > pokeDelay) clockSkew -= delay, clockLast = now; +} - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } +function nap() { + var t0, t1 = taskHead, t2, time = Infinity; + while (t1) { + if (t1._call) { + if (time > t1._time) time = t1._time; + t0 = t1, t1 = t1._next; + } else { + t2 = t1._next, t1._next = null; + t1 = t0 ? t0._next = t2 : taskHead = t2; + } + } + taskTail = t0; + sleep(time); +} + +function sleep(time) { + if (frame) return; // Soonest alarm already set, or will be. + if (timeout) timeout = clearTimeout(timeout); + var delay = time - clockNow; + if (delay > 24) { + if (time < Infinity) timeout = setTimeout(wake, delay); + if (interval) interval = clearInterval(interval); + } else { + if (!interval) interval = setInterval(poke$1, pokeDelay); + frame = 1, setFrame(wake); + } +} + +var timeout$1 = function(callback, delay, time) { + var t = new Timer; + delay = delay == null ? 0 : +delay; + t.restart(function(elapsed) { + t.stop(); + callback(elapsed + delay); + }, delay, time); + return t; +} + +var interval$1 = function(callback, delay, time) { + var t = new Timer, total = delay; + if (delay == null) return t.restart(callback, delay, time), t; + delay = +delay, time = time == null ? now() : +time; + t.restart(function tick(elapsed) { + elapsed += total; + t.restart(tick, total += delay, time); + callback(elapsed); + }, delay, time); + return t; +} + +var t0$1 = new Date; +var t1$1 = new Date; + +function newInterval(floori, offseti, count, field) { + + function interval(date) { + return floori(date = new Date(+date)), date; + } + + interval.floor = interval; + + interval.ceil = function(date) { + return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; + }; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; // proceed - default: point$2(this, x, y); break; - } + interval.round = function(date) { + var d0 = interval(date), + d1 = interval.ceil(date); + return date - d0 < d1 - date ? d0 : d1; + }; - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } + interval.offset = function(date, step) { + return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; }; - var catmullRom = (function custom(alpha) { + interval.range = function(start, stop, step) { + var range = []; + start = interval.ceil(start); + step = step == null ? 1 : Math.floor(step); + if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date + do range.push(new Date(+start)); while (offseti(start, step), floori(start), start < stop) + return range; + }; - function catmullRom(context) { - return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); - } + interval.filter = function(test) { + return newInterval(function(date) { + while (floori(date), !test(date)) date.setTime(date - 1); + }, function(date, step) { + while (--step >= 0) while (offseti(date, 1), !test(date)) {} // eslint-disable-line no-empty + }); + }; - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; + if (count) { + interval.count = function(start, end) { + t0$1.setTime(+start), t1$1.setTime(+end); + floori(t0$1), floori(t1$1); + return Math.floor(count(t0$1, t1$1)); + }; + + interval.every = function(step) { + step = Math.floor(step); + return !isFinite(step) || !(step > 0) ? null + : !(step > 1) ? interval + : interval.filter(field + ? function(d) { return field(d) % step === 0; } + : function(d) { return interval.count(0, d) % step === 0; }); + }; + } + + return interval; +} + +var millisecond = newInterval(function() { + // noop +}, function(date, step) { + date.setTime(+date + step); +}, function(start, end) { + return end - start; +}); + +// An optimized implementation for this simple case. +millisecond.every = function(k) { + k = Math.floor(k); + if (!isFinite(k) || !(k > 0)) return null; + if (!(k > 1)) return millisecond; + return newInterval(function(date) { + date.setTime(Math.floor(date / k) * k); + }, function(date, step) { + date.setTime(+date + step * k); + }, function(start, end) { + return (end - start) / k; + }); +}; + +var milliseconds = millisecond.range; + +var durationSecond = 1e3; +var durationMinute = 6e4; +var durationHour = 36e5; +var durationDay = 864e5; +var durationWeek = 6048e5; + +var second = newInterval(function(date) { + date.setTime(Math.floor(date / durationSecond) * durationSecond); +}, function(date, step) { + date.setTime(+date + step * durationSecond); +}, function(start, end) { + return (end - start) / durationSecond; +}, function(date) { + return date.getUTCSeconds(); +}); + +var seconds = second.range; + +var minute = newInterval(function(date) { + date.setTime(Math.floor(date / durationMinute) * durationMinute); +}, function(date, step) { + date.setTime(+date + step * durationMinute); +}, function(start, end) { + return (end - start) / durationMinute; +}, function(date) { + return date.getMinutes(); +}); + +var minutes = minute.range; + +var hour = newInterval(function(date) { + var offset = date.getTimezoneOffset() * durationMinute % durationHour; + if (offset < 0) offset += durationHour; + date.setTime(Math.floor((+date - offset) / durationHour) * durationHour + offset); +}, function(date, step) { + date.setTime(+date + step * durationHour); +}, function(start, end) { + return (end - start) / durationHour; +}, function(date) { + return date.getHours(); +}); + +var hours = hour.range; + +var day = newInterval(function(date) { + date.setHours(0, 0, 0, 0); +}, function(date, step) { + date.setDate(date.getDate() + step); +}, function(start, end) { + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay; +}, function(date) { + return date.getDate() - 1; +}); + +var days = day.range; + +function weekday(i) { + return newInterval(function(date) { + date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setDate(date.getDate() + step * 7); + }, function(start, end) { + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; + }); +} + +var sunday = weekday(0); +var monday = weekday(1); +var tuesday = weekday(2); +var wednesday = weekday(3); +var thursday = weekday(4); +var friday = weekday(5); +var saturday = weekday(6); + +var sundays = sunday.range; +var mondays = monday.range; +var tuesdays = tuesday.range; +var wednesdays = wednesday.range; +var thursdays = thursday.range; +var fridays = friday.range; +var saturdays = saturday.range; + +var month = newInterval(function(date) { + date.setDate(1); + date.setHours(0, 0, 0, 0); +}, function(date, step) { + date.setMonth(date.getMonth() + step); +}, function(start, end) { + return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; +}, function(date) { + return date.getMonth(); +}); + +var months = month.range; + +var year = newInterval(function(date) { + date.setMonth(0, 1); + date.setHours(0, 0, 0, 0); +}, function(date, step) { + date.setFullYear(date.getFullYear() + step); +}, function(start, end) { + return end.getFullYear() - start.getFullYear(); +}, function(date) { + return date.getFullYear(); +}); + +// An optimized implementation for this simple case. +year.every = function(k) { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { + date.setFullYear(Math.floor(date.getFullYear() / k) * k); + date.setMonth(0, 1); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setFullYear(date.getFullYear() + step * k); + }); +}; + +var years = year.range; + +var utcMinute = newInterval(function(date) { + date.setUTCSeconds(0, 0); +}, function(date, step) { + date.setTime(+date + step * durationMinute); +}, function(start, end) { + return (end - start) / durationMinute; +}, function(date) { + return date.getUTCMinutes(); +}); + +var utcMinutes = utcMinute.range; + +var utcHour = newInterval(function(date) { + date.setUTCMinutes(0, 0, 0); +}, function(date, step) { + date.setTime(+date + step * durationHour); +}, function(start, end) { + return (end - start) / durationHour; +}, function(date) { + return date.getUTCHours(); +}); + +var utcHours = utcHour.range; + +var utcDay = newInterval(function(date) { + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCDate(date.getUTCDate() + step); +}, function(start, end) { + return (end - start) / durationDay; +}, function(date) { + return date.getUTCDate() - 1; +}); + +var utcDays = utcDay.range; + +function utcWeekday(i) { + return newInterval(function(date) { + date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCDate(date.getUTCDate() + step * 7); + }, function(start, end) { + return (end - start) / durationWeek; + }); +} + +var utcSunday = utcWeekday(0); +var utcMonday = utcWeekday(1); +var utcTuesday = utcWeekday(2); +var utcWednesday = utcWeekday(3); +var utcThursday = utcWeekday(4); +var utcFriday = utcWeekday(5); +var utcSaturday = utcWeekday(6); + +var utcSundays = utcSunday.range; +var utcMondays = utcMonday.range; +var utcTuesdays = utcTuesday.range; +var utcWednesdays = utcWednesday.range; +var utcThursdays = utcThursday.range; +var utcFridays = utcFriday.range; +var utcSaturdays = utcSaturday.range; + +var utcMonth = newInterval(function(date) { + date.setUTCDate(1); + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCMonth(date.getUTCMonth() + step); +}, function(start, end) { + return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; +}, function(date) { + return date.getUTCMonth(); +}); + +var utcMonths = utcMonth.range; + +var utcYear = newInterval(function(date) { + date.setUTCMonth(0, 1); + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCFullYear(date.getUTCFullYear() + step); +}, function(start, end) { + return end.getUTCFullYear() - start.getUTCFullYear(); +}, function(date) { + return date.getUTCFullYear(); +}); + +// An optimized implementation for this simple case. +utcYear.every = function(k) { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { + date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); + date.setUTCMonth(0, 1); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCFullYear(date.getUTCFullYear() + step * k); + }); +}; + +var utcYears = utcYear.range; + +// Computes the decimal coefficient and exponent of the specified number x with +// significant digits p, where x is positive and p is in [1, 21] or undefined. +// For example, formatDecimal(1.23) returns ["123", 0]. +var formatDecimal = function(x, p) { + if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity + var i, coefficient = x.slice(0, i); + + // The string returned by toExponential either has the form \d\.\d+e[-+]\d+ + // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3). + return [ + coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, + +x.slice(i + 1) + ]; +} - return catmullRom; - })(0.5); +var exponent$1 = function(x) { + return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; +} - function CatmullRomClosed(context, alpha) { - this._context = context; - this._alpha = alpha; - } +var formatGroup = function(grouping, thousands) { + return function(value, width) { + var i = value.length, + t = [], + j = 0, + g = grouping[0], + length = 0; - CatmullRomClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 2: { - this._context.lineTo(this._x3, this._y3); - this._context.closePath(); - break; + while (i > 0 && g > 0) { + if (length + g + 1 > width) g = Math.max(1, width - length); + t.push(value.substring(i -= g, i + g)); + if ((length += g + 1) > width) break; + g = grouping[j = (j + 1) % grouping.length]; + } + + return t.reverse().join(thousands); + }; +} + +var formatDefault = function(x, p) { + x = x.toPrecision(p); + + out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) { + switch (x[i]) { + case ".": i0 = i1 = i; break; + case "0": if (i0 === 0) i0 = i; i1 = i; break; + case "e": break out; + default: if (i0 > 0) i0 = 0; break; + } + } + + return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x; +} + +var prefixExponent; + +var formatPrefixAuto = function(x, p) { + var d = formatDecimal(x, p); + if (!d) return x + ""; + var coefficient = d[0], + exponent = d[1], + i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, + n = coefficient.length; + return i === n ? coefficient + : i > n ? coefficient + new Array(i - n + 1).join("0") + : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) + : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y! +} + +var formatRounded = function(x, p) { + var d = formatDecimal(x, p); + if (!d) return x + ""; + var coefficient = d[0], + exponent = d[1]; + return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient + : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) + : coefficient + new Array(exponent - coefficient.length + 2).join("0"); +} + +var formatTypes = { + "": formatDefault, + "%": function(x, p) { return (x * 100).toFixed(p); }, + "b": function(x) { return Math.round(x).toString(2); }, + "c": function(x) { return x + ""; }, + "d": function(x) { return Math.round(x).toString(10); }, + "e": function(x, p) { return x.toExponential(p); }, + "f": function(x, p) { return x.toFixed(p); }, + "g": function(x, p) { return x.toPrecision(p); }, + "o": function(x) { return Math.round(x).toString(8); }, + "p": function(x, p) { return formatRounded(x * 100, p); }, + "r": formatRounded, + "s": formatPrefixAuto, + "X": function(x) { return Math.round(x).toString(16).toUpperCase(); }, + "x": function(x) { return Math.round(x).toString(16); } +}; + +// [[fill]align][sign][symbol][0][width][,][.precision][type] +var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i; + +var formatSpecifier = function(specifier) { + return new FormatSpecifier(specifier); +} + +function FormatSpecifier(specifier) { + if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); + + var match, + fill = match[1] || " ", + align = match[2] || ">", + sign = match[3] || "-", + symbol = match[4] || "", + zero = !!match[5], + width = match[6] && +match[6], + comma = !!match[7], + precision = match[8] && +match[8].slice(1), + type = match[9] || ""; + + // The "n" type is an alias for ",g". + if (type === "n") comma = true, type = "g"; + + // Map invalid types to the default format. + else if (!formatTypes[type]) type = ""; + + // If zero fill is specified, padding goes after sign and before digits. + if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; + + this.fill = fill; + this.align = align; + this.sign = sign; + this.symbol = symbol; + this.zero = zero; + this.width = width; + this.comma = comma; + this.precision = precision; + this.type = type; +} + +FormatSpecifier.prototype.toString = function() { + return this.fill + + this.align + + this.sign + + this.symbol + + (this.zero ? "0" : "") + + (this.width == null ? "" : Math.max(1, this.width | 0)) + + (this.comma ? "," : "") + + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0)) + + this.type; +}; + +var prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; + +function identity$3(x) { + return x; +} + +var formatLocale = function(locale) { + var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, + currency = locale.currency, + decimal = locale.decimal; + + function newFormat(specifier) { + specifier = formatSpecifier(specifier); + + var fill = specifier.fill, + align = specifier.align, + sign = specifier.sign, + symbol = specifier.symbol, + zero = specifier.zero, + width = specifier.width, + comma = specifier.comma, + precision = specifier.precision, + type = specifier.type; + + // Compute the prefix and suffix. + // For SI-prefix, the suffix is lazily computed. + var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", + suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? "%" : ""; + + // What format function should we use? + // Is this an integer type? + // Can this type generate exponential notation? + var formatType = formatTypes[type], + maybeSuffix = !type || /[defgprs%]/.test(type); + + // Set the default precision if not specified, + // or clamp the specified precision to the supported range. + // For significant precision, it must be in [1, 21]. + // For fixed precision, it must be in [0, 20]. + precision = precision == null ? (type ? 6 : 12) + : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) + : Math.max(0, Math.min(20, precision)); + + function format(value) { + var valuePrefix = prefix, + valueSuffix = suffix, + i, n, c; + + if (type === "c") { + valueSuffix = formatType(value) + valueSuffix; + value = ""; + } else { + value = +value; + + // Convert negative to positive, and compute the prefix. + // Note that -0 is not less than 0, but 1 / -0 is! + var valueNegative = (value < 0 || 1 / value < 0) && (value *= -1, true); + + // Perform the initial formatting. + value = formatType(value, precision); + + // If the original value was negative, it may be rounded to zero during + // formatting; treat this as (positive) zero. + if (valueNegative) { + i = -1, n = value.length; + valueNegative = false; + while (++i < n) { + if (c = value.charCodeAt(i), (48 < c && c < 58) + || (type === "x" && 96 < c && c < 103) + || (type === "X" && 64 < c && c < 71)) { + valueNegative = true; + break; + } + } } - case 3: { - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - this.point(this._x5, this._y5); - break; + + // Compute the prefix and suffix. + valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; + valueSuffix = valueSuffix + (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + (valueNegative && sign === "(" ? ")" : ""); + + // Break the formatted value into the integer “value” part that can be + // grouped, and fractional or exponential “suffix” part that is not. + if (maybeSuffix) { + i = -1, n = value.length; + while (++i < n) { + if (c = value.charCodeAt(i), 48 > c || c > 57) { + valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix; + value = value.slice(0, i); + break; + } + } } } - }, - point: function(x, y) { - x = +x, y = +y; - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } + // If the fill character is not "0", grouping is applied before padding. + if (comma && !zero) value = group(value, Infinity); - switch (this._point) { - case 0: this._point = 1; this._x3 = x, this._y3 = y; break; - case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; - case 2: this._point = 3; this._x5 = x, this._y5 = y; break; - default: point$2(this, x, y); break; - } + // Compute the padding. + var length = valuePrefix.length + value.length + valueSuffix.length, + padding = length < width ? new Array(width - length + 1).join(fill) : ""; - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + // If the fill character is "0", grouping is applied after padding. + if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; + + // Reconstruct the final output based on the desired alignment. + switch (align) { + case "<": return valuePrefix + value + valueSuffix + padding; + case "=": return valuePrefix + padding + value + valueSuffix; + case "^": return padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); + } + return padding + valuePrefix + value + valueSuffix; } - }; - var catmullRomClosed = (function custom(alpha) { + format.toString = function() { + return specifier + ""; + }; - function catmullRom(context) { - return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); - } + return format; + } - catmullRom.alpha = function(alpha) { - return custom(+alpha); + function formatPrefix(specifier, value) { + var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), + e = Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3, + k = Math.pow(10, -e), + prefix = prefixes[8 + e / 3]; + return function(value) { + return f(k * value) + prefix; }; + } + + return { + format: newFormat, + formatPrefix: formatPrefix + }; +} + +var locale$1; + + + +defaultLocale({ + decimal: ".", + thousands: ",", + grouping: [3], + currency: ["$", ""] +}); + +function defaultLocale(definition) { + locale$1 = formatLocale(definition); + exports.format = locale$1.format; + exports.formatPrefix = locale$1.formatPrefix; + return locale$1; +} + +var precisionFixed = function(step) { + return Math.max(0, -exponent$1(Math.abs(step))); +} + +var precisionPrefix = function(step, value) { + return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step))); +} + +var precisionRound = function(step, max) { + step = Math.abs(step), max = Math.abs(max) - step; + return Math.max(0, exponent$1(max) - exponent$1(step)) + 1; +} + +function localDate(d) { + if (0 <= d.y && d.y < 100) { + var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); + date.setFullYear(d.y); + return date; + } + return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L); +} + +function utcDate(d) { + if (0 <= d.y && d.y < 100) { + var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L)); + date.setUTCFullYear(d.y); + return date; + } + return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); +} + +function newYear(y) { + return {y: y, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0}; +} + +function formatLocale$1(locale) { + var locale_dateTime = locale.dateTime, + locale_date = locale.date, + locale_time = locale.time, + locale_periods = locale.periods, + locale_weekdays = locale.days, + locale_shortWeekdays = locale.shortDays, + locale_months = locale.months, + locale_shortMonths = locale.shortMonths; + + var periodRe = formatRe(locale_periods), + periodLookup = formatLookup(locale_periods), + weekdayRe = formatRe(locale_weekdays), + weekdayLookup = formatLookup(locale_weekdays), + shortWeekdayRe = formatRe(locale_shortWeekdays), + shortWeekdayLookup = formatLookup(locale_shortWeekdays), + monthRe = formatRe(locale_months), + monthLookup = formatLookup(locale_months), + shortMonthRe = formatRe(locale_shortMonths), + shortMonthLookup = formatLookup(locale_shortMonths); + + var formats = { + "a": formatShortWeekday, + "A": formatWeekday, + "b": formatShortMonth, + "B": formatMonth, + "c": null, + "d": formatDayOfMonth, + "e": formatDayOfMonth, + "H": formatHour24, + "I": formatHour12, + "j": formatDayOfYear, + "L": formatMilliseconds, + "m": formatMonthNumber, + "M": formatMinutes, + "p": formatPeriod, + "S": formatSeconds, + "U": formatWeekNumberSunday, + "w": formatWeekdayNumber, + "W": formatWeekNumberMonday, + "x": null, + "X": null, + "y": formatYear, + "Y": formatFullYear, + "Z": formatZone, + "%": formatLiteralPercent + }; + + var utcFormats = { + "a": formatUTCShortWeekday, + "A": formatUTCWeekday, + "b": formatUTCShortMonth, + "B": formatUTCMonth, + "c": null, + "d": formatUTCDayOfMonth, + "e": formatUTCDayOfMonth, + "H": formatUTCHour24, + "I": formatUTCHour12, + "j": formatUTCDayOfYear, + "L": formatUTCMilliseconds, + "m": formatUTCMonthNumber, + "M": formatUTCMinutes, + "p": formatUTCPeriod, + "S": formatUTCSeconds, + "U": formatUTCWeekNumberSunday, + "w": formatUTCWeekdayNumber, + "W": formatUTCWeekNumberMonday, + "x": null, + "X": null, + "y": formatUTCYear, + "Y": formatUTCFullYear, + "Z": formatUTCZone, + "%": formatLiteralPercent + }; + + var parses = { + "a": parseShortWeekday, + "A": parseWeekday, + "b": parseShortMonth, + "B": parseMonth, + "c": parseLocaleDateTime, + "d": parseDayOfMonth, + "e": parseDayOfMonth, + "H": parseHour24, + "I": parseHour24, + "j": parseDayOfYear, + "L": parseMilliseconds, + "m": parseMonthNumber, + "M": parseMinutes, + "p": parsePeriod, + "S": parseSeconds, + "U": parseWeekNumberSunday, + "w": parseWeekdayNumber, + "W": parseWeekNumberMonday, + "x": parseLocaleDate, + "X": parseLocaleTime, + "y": parseYear, + "Y": parseFullYear, + "Z": parseZone, + "%": parseLiteralPercent + }; - return catmullRom; - })(0.5); + // These recursive directive definitions must be deferred. + formats.x = newFormat(locale_date, formats); + formats.X = newFormat(locale_time, formats); + formats.c = newFormat(locale_dateTime, formats); + utcFormats.x = newFormat(locale_date, utcFormats); + utcFormats.X = newFormat(locale_time, utcFormats); + utcFormats.c = newFormat(locale_dateTime, utcFormats); + + function newFormat(specifier, formats) { + return function(date) { + var string = [], + i = -1, + j = 0, + n = specifier.length, + c, + pad, + format; + + if (!(date instanceof Date)) date = new Date(+date); + + while (++i < n) { + if (specifier.charCodeAt(i) === 37) { + string.push(specifier.slice(j, i)); + if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i); + else pad = c === "e" ? " " : "0"; + if (format = formats[c]) c = format(date, pad); + string.push(c); + j = i + 1; + } + } - function CatmullRomOpen(context, alpha) { - this._context = context; - this._alpha = alpha; + string.push(specifier.slice(j, i)); + return string.join(""); + }; } - CatmullRomOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; + function newParse(specifier, newDate) { + return function(string) { + var d = newYear(1900), + i = parseSpecifier(d, specifier, string += "", 0); + if (i != string.length) return null; + + // The am-pm flag is 0 for AM, and 1 for PM. + if ("p" in d) d.H = d.H % 12 + d.p * 12; - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + // Convert day-of-week and week-of-year to day-of-year. + if ("W" in d || "U" in d) { + if (!("w" in d)) d.w = "W" in d ? 1 : 0; + var day$$1 = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay(); + d.m = 0; + d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$$1 + 5) % 7 : d.w + d.U * 7 - (day$$1 + 6) % 7; } - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed - default: point$2(this, x, y); break; + // If a time zone is specified, all fields are interpreted as UTC and then + // offset according to the specified time zone. + if ("Z" in d) { + d.H += d.Z / 100 | 0; + d.M += d.Z % 100; + return utcDate(d); } - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } - }; + // Otherwise, all fields are in local time. + return newDate(d); + }; + } - var catmullRomOpen = (function custom(alpha) { + function parseSpecifier(d, specifier, string, j) { + var i = 0, + n = specifier.length, + m = string.length, + c, + parse; - function catmullRom(context) { - return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); + while (i < n) { + if (j >= m) return -1; + c = specifier.charCodeAt(i++); + if (c === 37) { + c = specifier.charAt(i++); + parse = parses[c in pads ? specifier.charAt(i++) : c]; + if (!parse || ((j = parse(d, string, j)) < 0)) return -1; + } else if (c != string.charCodeAt(j++)) { + return -1; + } } - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; - - return catmullRom; - })(0.5); + return j; + } - function LinearClosed(context) { - this._context = context; + function parsePeriod(d, string, i) { + var n = periodRe.exec(string.slice(i)); + return n ? (d.p = periodLookup[n[0].toLowerCase()], i + n[0].length) : -1; } - LinearClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._point) this._context.closePath(); - }, - point: function(x, y) { - x = +x, y = +y; - if (this._point) this._context.lineTo(x, y); - else this._point = 1, this._context.moveTo(x, y); - } - }; + function parseShortWeekday(d, string, i) { + var n = shortWeekdayRe.exec(string.slice(i)); + return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; + } - function linearClosed(context) { - return new LinearClosed(context); + function parseWeekday(d, string, i) { + var n = weekdayRe.exec(string.slice(i)); + return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; } - function sign(x) { - return x < 0 ? -1 : 1; + function parseShortMonth(d, string, i) { + var n = shortMonthRe.exec(string.slice(i)); + return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1; } - // Calculate the slopes of the tangents (Hermite-type interpolation) based on - // the following paper: Steffen, M. 1990. A Simple Method for Monotonic - // Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO. - // NOV(II), P. 443, 1990. - function slope3(that, x2, y2) { - var h0 = that._x1 - that._x0, - h1 = x2 - that._x1, - s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0), - s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0), - p = (s0 * h1 + s1 * h0) / (h0 + h1); - return (sign(s0) + sign(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0; + function parseMonth(d, string, i) { + var n = monthRe.exec(string.slice(i)); + return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1; } - // Calculate a one-sided slope. - function slope2(that, t) { - var h = that._x1 - that._x0; - return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t; + function parseLocaleDateTime(d, string, i) { + return parseSpecifier(d, locale_dateTime, string, i); } - // According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations - // "you can express cubic Hermite interpolation in terms of cubic Bézier curves - // with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1". - function point$3(that, t0, t1) { - var x0 = that._x0, - y0 = that._y0, - x1 = that._x1, - y1 = that._y1, - dx = (x1 - x0) / 3; - that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1); + function parseLocaleDate(d, string, i) { + return parseSpecifier(d, locale_date, string, i); } - function MonotoneX(context) { - this._context = context; + function parseLocaleTime(d, string, i) { + return parseSpecifier(d, locale_time, string, i); } - MonotoneX.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = - this._t0 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x1, this._y1); break; - case 3: point$3(this, this._t0, slope2(this, this._t0)); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - var t1 = NaN; + function formatShortWeekday(d) { + return locale_shortWeekdays[d.getDay()]; + } - x = +x, y = +y; - if (x === this._x1 && y === this._y1) return; // Ignore coincident points. - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; point$3(this, slope2(this, t1 = slope3(this, x, y)), t1); break; - default: point$3(this, this._t0, t1 = slope3(this, x, y)); break; - } + function formatWeekday(d) { + return locale_weekdays[d.getDay()]; + } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - this._t0 = t1; - } + function formatShortMonth(d) { + return locale_shortMonths[d.getMonth()]; } - function MonotoneY(context) { - this._context = new ReflectContext(context); + function formatMonth(d) { + return locale_months[d.getMonth()]; } - (MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) { - MonotoneX.prototype.point.call(this, y, x); - }; + function formatPeriod(d) { + return locale_periods[+(d.getHours() >= 12)]; + } - function ReflectContext(context) { - this._context = context; + function formatUTCShortWeekday(d) { + return locale_shortWeekdays[d.getUTCDay()]; } - ReflectContext.prototype = { - moveTo: function(x, y) { this._context.moveTo(y, x); }, - closePath: function() { this._context.closePath(); }, - lineTo: function(x, y) { this._context.lineTo(y, x); }, - bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); } - }; + function formatUTCWeekday(d) { + return locale_weekdays[d.getUTCDay()]; + } - function monotoneX(context) { - return new MonotoneX(context); + function formatUTCShortMonth(d) { + return locale_shortMonths[d.getUTCMonth()]; } - function monotoneY(context) { - return new MonotoneY(context); + function formatUTCMonth(d) { + return locale_months[d.getUTCMonth()]; } - function Natural(context) { - this._context = context; + function formatUTCPeriod(d) { + return locale_periods[+(d.getUTCHours() >= 12)]; } - Natural.prototype = { - areaStart: function() { - this._line = 0; + return { + format: function(specifier) { + var f = newFormat(specifier += "", formats); + f.toString = function() { return specifier; }; + return f; }, - areaEnd: function() { - this._line = NaN; + parse: function(specifier) { + var p = newParse(specifier += "", localDate); + p.toString = function() { return specifier; }; + return p; }, - lineStart: function() { - this._x = []; - this._y = []; + utcFormat: function(specifier) { + var f = newFormat(specifier += "", utcFormats); + f.toString = function() { return specifier; }; + return f; }, - lineEnd: function() { - var x = this._x, - y = this._y, - n = x.length; - - if (n) { - this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]); - if (n === 2) { - this._context.lineTo(x[1], y[1]); - } else { - var px = controlPoints(x), - py = controlPoints(y); - for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) { - this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]); - } - } - } - - if (this._line || (this._line !== 0 && n === 1)) this._context.closePath(); - this._line = 1 - this._line; - this._x = this._y = null; - }, - point: function(x, y) { - this._x.push(+x); - this._y.push(+y); + utcParse: function(specifier) { + var p = newParse(specifier, utcDate); + p.toString = function() { return specifier; }; + return p; } }; +} + +var pads = {"-": "", "_": " ", "0": "0"}; +var numberRe = /^\s*\d+/; +var percentRe = /^%/; +var requoteRe = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; + +function pad(value, fill, width) { + var sign = value < 0 ? "-" : "", + string = (sign ? -value : value) + "", + length = string.length; + return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); +} + +function requote(s) { + return s.replace(requoteRe, "\\$&"); +} + +function formatRe(names) { + return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i"); +} + +function formatLookup(names) { + var map = {}, i = -1, n = names.length; + while (++i < n) map[names[i].toLowerCase()] = i; + return map; +} + +function parseWeekdayNumber(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 1)); + return n ? (d.w = +n[0], i + n[0].length) : -1; +} + +function parseWeekNumberSunday(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.U = +n[0], i + n[0].length) : -1; +} + +function parseWeekNumberMonday(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.W = +n[0], i + n[0].length) : -1; +} + +function parseFullYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 4)); + return n ? (d.y = +n[0], i + n[0].length) : -1; +} + +function parseYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1; +} + +function parseZone(d, string, i) { + var n = /^(Z)|([+-]\d\d)(?:\:?(\d\d))?/.exec(string.slice(i, i + 6)); + return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; +} + +function parseMonthNumber(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.m = n[0] - 1, i + n[0].length) : -1; +} + +function parseDayOfMonth(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.d = +n[0], i + n[0].length) : -1; +} + +function parseDayOfYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 3)); + return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1; +} + +function parseHour24(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.H = +n[0], i + n[0].length) : -1; +} + +function parseMinutes(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.M = +n[0], i + n[0].length) : -1; +} + +function parseSeconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.S = +n[0], i + n[0].length) : -1; +} + +function parseMilliseconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 3)); + return n ? (d.L = +n[0], i + n[0].length) : -1; +} + +function parseLiteralPercent(d, string, i) { + var n = percentRe.exec(string.slice(i, i + 1)); + return n ? i + n[0].length : -1; +} + +function formatDayOfMonth(d, p) { + return pad(d.getDate(), p, 2); +} + +function formatHour24(d, p) { + return pad(d.getHours(), p, 2); +} + +function formatHour12(d, p) { + return pad(d.getHours() % 12 || 12, p, 2); +} + +function formatDayOfYear(d, p) { + return pad(1 + day.count(year(d), d), p, 3); +} + +function formatMilliseconds(d, p) { + return pad(d.getMilliseconds(), p, 3); +} + +function formatMonthNumber(d, p) { + return pad(d.getMonth() + 1, p, 2); +} + +function formatMinutes(d, p) { + return pad(d.getMinutes(), p, 2); +} + +function formatSeconds(d, p) { + return pad(d.getSeconds(), p, 2); +} + +function formatWeekNumberSunday(d, p) { + return pad(sunday.count(year(d), d), p, 2); +} + +function formatWeekdayNumber(d) { + return d.getDay(); +} + +function formatWeekNumberMonday(d, p) { + return pad(monday.count(year(d), d), p, 2); +} + +function formatYear(d, p) { + return pad(d.getFullYear() % 100, p, 2); +} + +function formatFullYear(d, p) { + return pad(d.getFullYear() % 10000, p, 4); +} + +function formatZone(d) { + var z = d.getTimezoneOffset(); + return (z > 0 ? "-" : (z *= -1, "+")) + + pad(z / 60 | 0, "0", 2) + + pad(z % 60, "0", 2); +} + +function formatUTCDayOfMonth(d, p) { + return pad(d.getUTCDate(), p, 2); +} + +function formatUTCHour24(d, p) { + return pad(d.getUTCHours(), p, 2); +} + +function formatUTCHour12(d, p) { + return pad(d.getUTCHours() % 12 || 12, p, 2); +} - // See https://www.particleincell.com/2012/bezier-splines/ for derivation. - function controlPoints(x) { - var i, - n = x.length - 1, - m, - a = new Array(n), - b = new Array(n), - r = new Array(n); - a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1]; - for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1]; - a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n]; - for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1]; - a[n - 1] = r[n - 1] / b[n - 1]; - for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i]; - b[n - 1] = (x[n] + a[n - 1]) / 2; - for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1]; - return [a, b]; - } +function formatUTCDayOfYear(d, p) { + return pad(1 + utcDay.count(utcYear(d), d), p, 3); +} - function natural(context) { - return new Natural(context); - } +function formatUTCMilliseconds(d, p) { + return pad(d.getUTCMilliseconds(), p, 3); +} - function Step(context, t) { - this._context = context; - this._t = t; - } +function formatUTCMonthNumber(d, p) { + return pad(d.getUTCMonth() + 1, p, 2); +} - Step.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x = this._y = NaN; - this._point = 0; - }, - lineEnd: function() { - if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y); - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed - default: { - if (this._t <= 0) { - this._context.lineTo(this._x, y); - this._context.lineTo(x, y); - } else { - var x1 = this._x * (1 - this._t) + x * this._t; - this._context.lineTo(x1, this._y); - this._context.lineTo(x1, y); - } - break; - } - } - this._x = x, this._y = y; - } - }; +function formatUTCMinutes(d, p) { + return pad(d.getUTCMinutes(), p, 2); +} - function step(context) { - return new Step(context, 0.5); - } +function formatUTCSeconds(d, p) { + return pad(d.getUTCSeconds(), p, 2); +} - function stepBefore(context) { - return new Step(context, 0); - } +function formatUTCWeekNumberSunday(d, p) { + return pad(utcSunday.count(utcYear(d), d), p, 2); +} - function stepAfter(context) { - return new Step(context, 1); - } +function formatUTCWeekdayNumber(d) { + return d.getUTCDay(); +} - var slice$2 = Array.prototype.slice; +function formatUTCWeekNumberMonday(d, p) { + return pad(utcMonday.count(utcYear(d), d), p, 2); +} - function none(series, order) { - if (!((n = series.length) > 1)) return; - for (var i = 1, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { - s0 = s1, s1 = series[order[i]]; - for (var j = 0; j < m; ++j) { - s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; - } - } - } +function formatUTCYear(d, p) { + return pad(d.getUTCFullYear() % 100, p, 2); +} - function none$1(series) { - var n = series.length, o = new Array(n); - while (--n >= 0) o[n] = n; - return o; - } +function formatUTCFullYear(d, p) { + return pad(d.getUTCFullYear() % 10000, p, 4); +} - function stackValue(d, key) { - return d[key]; - } +function formatUTCZone() { + return "+0000"; +} - function stack() { - var keys = constant$1([]), - order = none$1, - offset = none, - value = stackValue; +function formatLiteralPercent() { + return "%"; +} - function stack(data) { - var kz = keys.apply(this, arguments), - i, - m = data.length, - n = kz.length, - sz = new Array(n), - oz; +var locale$2; - for (i = 0; i < n; ++i) { - for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) { - si[j] = sij = [0, +value(data[j], ki, j, data)]; - sij.data = data[j]; - } - si.key = ki; - } - for (i = 0, oz = order(sz); i < n; ++i) { - sz[oz[i]].index = i; - } - offset(sz, oz); - return sz; - } - stack.keys = function(_) { - return arguments.length ? (keys = typeof _ === "function" ? _ : constant$1(slice$2.call(_)), stack) : keys; - }; - stack.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$1(+_), stack) : value; - }; +defaultLocale$1({ + dateTime: "%x, %X", + date: "%-m/%-d/%Y", + time: "%-I:%M:%S %p", + periods: ["AM", "PM"], + days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], + shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], + months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], + shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"] +}); - stack.order = function(_) { - return arguments.length ? (order = _ == null ? none$1 : typeof _ === "function" ? _ : constant$1(slice$2.call(_)), stack) : order; - }; +function defaultLocale$1(definition) { + locale$2 = formatLocale$1(definition); + exports.timeFormat = locale$2.format; + exports.timeParse = locale$2.parse; + exports.utcFormat = locale$2.utcFormat; + exports.utcParse = locale$2.utcParse; + return locale$2; +} - stack.offset = function(_) { - return arguments.length ? (offset = _ == null ? none : _, stack) : offset; - }; +var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; - return stack; - } +function formatIsoNative(date) { + return date.toISOString(); +} - function expand(series, order) { - if (!((n = series.length) > 0)) return; - for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { - for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; - if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; - } - none(series, order); - } +var formatIso = Date.prototype.toISOString + ? formatIsoNative + : exports.utcFormat(isoSpecifier); - function silhouette(series, order) { - if (!((n = series.length) > 0)) return; - for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { - for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; - s0[j][1] += s0[j][0] = -y / 2; - } - none(series, order); - } +function parseIsoNative(string) { + var date = new Date(string); + return isNaN(date) ? null : date; +} - function wiggle(series, order) { - if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; - for (var y = 0, j = 1, s0, m, n; j < m; ++j) { - for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { - var si = series[order[i]], - sij0 = si[j][1] || 0, - sij1 = si[j - 1][1] || 0, - s3 = (sij0 - sij1) / 2; - for (var k = 0; k < i; ++k) { - var sk = series[order[k]], - skj0 = sk[j][1] || 0, - skj1 = sk[j - 1][1] || 0; - s3 += skj0 - skj1; - } - s1 += sij0, s2 += s3 * sij0; - } - s0[j - 1][1] += s0[j - 1][0] = y; - if (s1) y -= s2 / s1; +var parseIso = +new Date("2000-01-01T00:00:00.000Z") + ? parseIsoNative + : exports.utcParse(isoSpecifier); + +var array$2 = Array.prototype; + +var map$3 = array$2.map; +var slice$3 = array$2.slice; + +var implicit = {name: "implicit"}; + +function ordinal(range) { + var index = map$1(), + domain = [], + unknown = implicit; + + range = range == null ? [] : slice$3.call(range); + + function scale(d) { + var key = d + "", i = index.get(key); + if (!i) { + if (unknown !== implicit) return unknown; + index.set(key, i = domain.push(d)); } - s0[j - 1][1] += s0[j - 1][0] = y; - none(series, order); + return range[(i - 1) % range.length]; } - function ascending$1(series) { - var sums = series.map(sum$1); - return none$1(series).sort(function(a, b) { return sums[a] - sums[b]; }); - } + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = [], index = map$1(); + var i = -1, n = _.length, d, key; + while (++i < n) if (!index.has(key = (d = _[i]) + "")) index.set(key, domain.push(d)); + return scale; + }; - function sum$1(series) { - var s = 0, i = -1, n = series.length, v; - while (++i < n) if (v = +series[i][1]) s += v; - return s; - } + scale.range = function(_) { + return arguments.length ? (range = slice$3.call(_), scale) : range.slice(); + }; - function descending$2(series) { - return ascending$1(series).reverse(); - } + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; - function insideOut(series) { - var n = series.length, - i, - j, - sums = series.map(sum$1), - order = none$1(series).sort(function(a, b) { return sums[b] - sums[a]; }), - top = 0, - bottom = 0, - tops = [], - bottoms = []; + scale.copy = function() { + return ordinal() + .domain(domain) + .range(range) + .unknown(unknown); + }; - for (i = 0; i < n; ++i) { - j = order[i]; - if (top < bottom) { - top += sums[j]; - tops.push(j); - } else { - bottom += sums[j]; - bottoms.push(j); - } - } - - return bottoms.reverse().concat(tops); - } - - function reverse(series) { - return none$1(series).reverse(); - } - - function define(constructor, factory, prototype) { - constructor.prototype = factory.prototype = prototype; - prototype.constructor = constructor; - } - - function extend(parent, definition) { - var prototype = Object.create(parent.prototype); - for (var key in definition) prototype[key] = definition[key]; - return prototype; - } - - function Color() {} - - var darker = 0.7; - var brighter = 1 / darker; - - var reHex3 = /^#([0-9a-f]{3})$/; - var reHex6 = /^#([0-9a-f]{6})$/; - var reRgbInteger = /^rgb\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*\)$/; - var reRgbPercent = /^rgb\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/; - var reRgbaInteger = /^rgba\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; - var reRgbaPercent = /^rgba\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; - var reHslPercent = /^hsl\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/; - var reHslaPercent = /^hsla\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; - var named = { - aliceblue: 0xf0f8ff, - antiquewhite: 0xfaebd7, - aqua: 0x00ffff, - aquamarine: 0x7fffd4, - azure: 0xf0ffff, - beige: 0xf5f5dc, - bisque: 0xffe4c4, - black: 0x000000, - blanchedalmond: 0xffebcd, - blue: 0x0000ff, - blueviolet: 0x8a2be2, - brown: 0xa52a2a, - burlywood: 0xdeb887, - cadetblue: 0x5f9ea0, - chartreuse: 0x7fff00, - chocolate: 0xd2691e, - coral: 0xff7f50, - cornflowerblue: 0x6495ed, - cornsilk: 0xfff8dc, - crimson: 0xdc143c, - cyan: 0x00ffff, - darkblue: 0x00008b, - darkcyan: 0x008b8b, - darkgoldenrod: 0xb8860b, - darkgray: 0xa9a9a9, - darkgreen: 0x006400, - darkgrey: 0xa9a9a9, - darkkhaki: 0xbdb76b, - darkmagenta: 0x8b008b, - darkolivegreen: 0x556b2f, - darkorange: 0xff8c00, - darkorchid: 0x9932cc, - darkred: 0x8b0000, - darksalmon: 0xe9967a, - darkseagreen: 0x8fbc8f, - darkslateblue: 0x483d8b, - darkslategray: 0x2f4f4f, - darkslategrey: 0x2f4f4f, - darkturquoise: 0x00ced1, - darkviolet: 0x9400d3, - deeppink: 0xff1493, - deepskyblue: 0x00bfff, - dimgray: 0x696969, - dimgrey: 0x696969, - dodgerblue: 0x1e90ff, - firebrick: 0xb22222, - floralwhite: 0xfffaf0, - forestgreen: 0x228b22, - fuchsia: 0xff00ff, - gainsboro: 0xdcdcdc, - ghostwhite: 0xf8f8ff, - gold: 0xffd700, - goldenrod: 0xdaa520, - gray: 0x808080, - green: 0x008000, - greenyellow: 0xadff2f, - grey: 0x808080, - honeydew: 0xf0fff0, - hotpink: 0xff69b4, - indianred: 0xcd5c5c, - indigo: 0x4b0082, - ivory: 0xfffff0, - khaki: 0xf0e68c, - lavender: 0xe6e6fa, - lavenderblush: 0xfff0f5, - lawngreen: 0x7cfc00, - lemonchiffon: 0xfffacd, - lightblue: 0xadd8e6, - lightcoral: 0xf08080, - lightcyan: 0xe0ffff, - lightgoldenrodyellow: 0xfafad2, - lightgray: 0xd3d3d3, - lightgreen: 0x90ee90, - lightgrey: 0xd3d3d3, - lightpink: 0xffb6c1, - lightsalmon: 0xffa07a, - lightseagreen: 0x20b2aa, - lightskyblue: 0x87cefa, - lightslategray: 0x778899, - lightslategrey: 0x778899, - lightsteelblue: 0xb0c4de, - lightyellow: 0xffffe0, - lime: 0x00ff00, - limegreen: 0x32cd32, - linen: 0xfaf0e6, - magenta: 0xff00ff, - maroon: 0x800000, - mediumaquamarine: 0x66cdaa, - mediumblue: 0x0000cd, - mediumorchid: 0xba55d3, - mediumpurple: 0x9370db, - mediumseagreen: 0x3cb371, - mediumslateblue: 0x7b68ee, - mediumspringgreen: 0x00fa9a, - mediumturquoise: 0x48d1cc, - mediumvioletred: 0xc71585, - midnightblue: 0x191970, - mintcream: 0xf5fffa, - mistyrose: 0xffe4e1, - moccasin: 0xffe4b5, - navajowhite: 0xffdead, - navy: 0x000080, - oldlace: 0xfdf5e6, - olive: 0x808000, - olivedrab: 0x6b8e23, - orange: 0xffa500, - orangered: 0xff4500, - orchid: 0xda70d6, - palegoldenrod: 0xeee8aa, - palegreen: 0x98fb98, - paleturquoise: 0xafeeee, - palevioletred: 0xdb7093, - papayawhip: 0xffefd5, - peachpuff: 0xffdab9, - peru: 0xcd853f, - pink: 0xffc0cb, - plum: 0xdda0dd, - powderblue: 0xb0e0e6, - purple: 0x800080, - rebeccapurple: 0x663399, - red: 0xff0000, - rosybrown: 0xbc8f8f, - royalblue: 0x4169e1, - saddlebrown: 0x8b4513, - salmon: 0xfa8072, - sandybrown: 0xf4a460, - seagreen: 0x2e8b57, - seashell: 0xfff5ee, - sienna: 0xa0522d, - silver: 0xc0c0c0, - skyblue: 0x87ceeb, - slateblue: 0x6a5acd, - slategray: 0x708090, - slategrey: 0x708090, - snow: 0xfffafa, - springgreen: 0x00ff7f, - steelblue: 0x4682b4, - tan: 0xd2b48c, - teal: 0x008080, - thistle: 0xd8bfd8, - tomato: 0xff6347, - turquoise: 0x40e0d0, - violet: 0xee82ee, - wheat: 0xf5deb3, - white: 0xffffff, - whitesmoke: 0xf5f5f5, - yellow: 0xffff00, - yellowgreen: 0x9acd32 - }; - - define(Color, color, { - displayable: function() { - return this.rgb().displayable(); - }, - toString: function() { - return this.rgb() + ""; - } - }); + return scale; +} + +function band() { + var scale = ordinal().unknown(undefined), + domain = scale.domain, + ordinalRange = scale.range, + range$$1 = [0, 1], + step, + bandwidth, + round = false, + paddingInner = 0, + paddingOuter = 0, + align = 0.5; + + delete scale.unknown; + + function rescale() { + var n = domain().length, + reverse = range$$1[1] < range$$1[0], + start = range$$1[reverse - 0], + stop = range$$1[1 - reverse]; + step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); + if (round) step = Math.floor(step); + start += (stop - start - step * (n - paddingInner)) * align; + bandwidth = step * (1 - paddingInner); + if (round) start = Math.round(start), bandwidth = Math.round(bandwidth); + var values = range(n).map(function(i) { return start + step * i; }); + return ordinalRange(reverse ? values.reverse() : values); + } + + scale.domain = function(_) { + return arguments.length ? (domain(_), rescale()) : domain(); + }; - function color(format) { - var m; - format = (format + "").trim().toLowerCase(); - return (m = reHex3.exec(format)) ? (m = parseInt(m[1], 16), new Rgb((m >> 8 & 0xf) | (m >> 4 & 0x0f0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1)) // #f00 - : (m = reHex6.exec(format)) ? rgbn(parseInt(m[1], 16)) // #ff0000 - : (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0) - : (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%) - : (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1) - : (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1) - : (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%) - : (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1) - : named.hasOwnProperty(format) ? rgbn(named[format]) - : format === "transparent" ? new Rgb(NaN, NaN, NaN, 0) - : null; - } + scale.range = function(_) { + return arguments.length ? (range$$1 = [+_[0], +_[1]], rescale()) : range$$1.slice(); + }; - function rgbn(n) { - return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1); - } + scale.rangeRound = function(_) { + return range$$1 = [+_[0], +_[1]], round = true, rescale(); + }; - function rgba(r, g, b, a) { - if (a <= 0) r = g = b = NaN; - return new Rgb(r, g, b, a); - } + scale.bandwidth = function() { + return bandwidth; + }; - function rgbConvert(o) { - if (!(o instanceof Color)) o = color(o); - if (!o) return new Rgb; - o = o.rgb(); - return new Rgb(o.r, o.g, o.b, o.opacity); - } + scale.step = function() { + return step; + }; - function colorRgb(r, g, b, opacity) { - return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity); - } + scale.round = function(_) { + return arguments.length ? (round = !!_, rescale()) : round; + }; - function Rgb(r, g, b, opacity) { - this.r = +r; - this.g = +g; - this.b = +b; - this.opacity = +opacity; - } + scale.padding = function(_) { + return arguments.length ? (paddingInner = paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; + }; - define(Rgb, colorRgb, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); - }, - rgb: function() { - return this; - }, - displayable: function() { - return (0 <= this.r && this.r <= 255) - && (0 <= this.g && this.g <= 255) - && (0 <= this.b && this.b <= 255) - && (0 <= this.opacity && this.opacity <= 1); - }, - toString: function() { - var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); - return (a === 1 ? "rgb(" : "rgba(") - + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.b) || 0)) - + (a === 1 ? ")" : ", " + a + ")"); - } - })); - - function hsla(h, s, l, a) { - if (a <= 0) h = s = l = NaN; - else if (l <= 0 || l >= 1) h = s = NaN; - else if (s <= 0) h = NaN; - return new Hsl(h, s, l, a); - } - - function hslConvert(o) { - if (o instanceof Hsl) return new Hsl(o.h, o.s, o.l, o.opacity); - if (!(o instanceof Color)) o = color(o); - if (!o) return new Hsl; - if (o instanceof Hsl) return o; - o = o.rgb(); - var r = o.r / 255, - g = o.g / 255, - b = o.b / 255, - min = Math.min(r, g, b), - max = Math.max(r, g, b), - h = NaN, - s = max - min, - l = (max + min) / 2; - if (s) { - if (r === max) h = (g - b) / s + (g < b) * 6; - else if (g === max) h = (b - r) / s + 2; - else h = (r - g) / s + 4; - s /= l < 0.5 ? max + min : 2 - max - min; - h *= 60; - } else { - s = l > 0 && l < 1 ? 0 : h; - } - return new Hsl(h, s, l, o.opacity); - } + scale.paddingInner = function(_) { + return arguments.length ? (paddingInner = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; + }; - function colorHsl(h, s, l, opacity) { - return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity); - } + scale.paddingOuter = function(_) { + return arguments.length ? (paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingOuter; + }; - function Hsl(h, s, l, opacity) { - this.h = +h; - this.s = +s; - this.l = +l; - this.opacity = +opacity; - } + scale.align = function(_) { + return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align; + }; - define(Hsl, colorHsl, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Hsl(this.h, this.s, this.l * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Hsl(this.h, this.s, this.l * k, this.opacity); - }, - rgb: function() { - var h = this.h % 360 + (this.h < 0) * 360, - s = isNaN(h) || isNaN(this.s) ? 0 : this.s, - l = this.l, - m2 = l + (l < 0.5 ? l : 1 - l) * s, - m1 = 2 * l - m2; - return new Rgb( - hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2), - hsl2rgb(h, m1, m2), - hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2), - this.opacity - ); - }, - displayable: function() { - return (0 <= this.s && this.s <= 1 || isNaN(this.s)) - && (0 <= this.l && this.l <= 1) - && (0 <= this.opacity && this.opacity <= 1); - } - })); - - /* From FvD 13.37, CSS Color Module Level 3 */ - function hsl2rgb(h, m1, m2) { - return (h < 60 ? m1 + (m2 - m1) * h / 60 - : h < 180 ? m2 - : h < 240 ? m1 + (m2 - m1) * (240 - h) / 60 - : m1) * 255; - } - - var deg2rad = Math.PI / 180; - var rad2deg = 180 / Math.PI; - - var Kn = 18; - var Xn = 0.950470; - var Yn = 1; - var Zn = 1.088830; - var t0 = 4 / 29; - var t1 = 6 / 29; - var t2 = 3 * t1 * t1; - var t3 = t1 * t1 * t1; - function labConvert(o) { - if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); - if (o instanceof Hcl) { - var h = o.h * deg2rad; - return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); - } - if (!(o instanceof Rgb)) o = rgbConvert(o); - var b = rgb2xyz(o.r), - a = rgb2xyz(o.g), - l = rgb2xyz(o.b), - x = xyz2lab((0.4124564 * b + 0.3575761 * a + 0.1804375 * l) / Xn), - y = xyz2lab((0.2126729 * b + 0.7151522 * a + 0.0721750 * l) / Yn), - z = xyz2lab((0.0193339 * b + 0.1191920 * a + 0.9503041 * l) / Zn); - return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity); - } - - function lab(l, a, b, opacity) { - return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity); - } - - function Lab(l, a, b, opacity) { - this.l = +l; - this.a = +a; - this.b = +b; - this.opacity = +opacity; - } - - define(Lab, lab, extend(Color, { - brighter: function(k) { - return new Lab(this.l + Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); - }, - darker: function(k) { - return new Lab(this.l - Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); - }, - rgb: function() { - var y = (this.l + 16) / 116, - x = isNaN(this.a) ? y : y + this.a / 500, - z = isNaN(this.b) ? y : y - this.b / 200; - y = Yn * lab2xyz(y); - x = Xn * lab2xyz(x); - z = Zn * lab2xyz(z); - return new Rgb( - xyz2rgb( 3.2404542 * x - 1.5371385 * y - 0.4985314 * z), // D65 -> sRGB - xyz2rgb(-0.9692660 * x + 1.8760108 * y + 0.0415560 * z), - xyz2rgb( 0.0556434 * x - 0.2040259 * y + 1.0572252 * z), - this.opacity - ); - } - })); + scale.copy = function() { + return band() + .domain(domain()) + .range(range$$1) + .round(round) + .paddingInner(paddingInner) + .paddingOuter(paddingOuter) + .align(align); + }; - function xyz2lab(t) { - return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0; - } + return rescale(); +} - function lab2xyz(t) { - return t > t1 ? t * t * t : t2 * (t - t0); - } +function pointish(scale) { + var copy = scale.copy; - function xyz2rgb(x) { - return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055); - } + scale.padding = scale.paddingOuter; + delete scale.paddingInner; + delete scale.paddingOuter; - function rgb2xyz(x) { - return (x /= 255) <= 0.04045 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4); - } + scale.copy = function() { + return pointish(copy()); + }; - function hclConvert(o) { - if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); - if (!(o instanceof Lab)) o = labConvert(o); - var h = Math.atan2(o.b, o.a) * rad2deg; - return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); - } + return scale; +} - function colorHcl(h, c, l, opacity) { - return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity); - } +function point$4() { + return pointish(band().paddingInner(1)); +} - function Hcl(h, c, l, opacity) { - this.h = +h; - this.c = +c; - this.l = +l; - this.opacity = +opacity; - } +var constant$4 = function(x) { + return function() { + return x; + }; +} - define(Hcl, colorHcl, extend(Color, { - brighter: function(k) { - return new Hcl(this.h, this.c, this.l + Kn * (k == null ? 1 : k), this.opacity); - }, - darker: function(k) { - return new Hcl(this.h, this.c, this.l - Kn * (k == null ? 1 : k), this.opacity); - }, - rgb: function() { - return labConvert(this).rgb(); - } - })); - - var A = -0.14861; - var B = +1.78277; - var C = -0.29227; - var D = -0.90649; - var E = +1.97294; - var ED = E * D; - var EB = E * B; - var BC_DA = B * C - D * A; - function cubehelixConvert(o) { - if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity); - if (!(o instanceof Rgb)) o = rgbConvert(o); - var r = o.r / 255, - g = o.g / 255, - b = o.b / 255, - l = (BC_DA * b + ED * r - EB * g) / (BC_DA + ED - EB), - bl = b - l, - k = (E * (g - l) - C * bl) / D, - s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1 - h = s ? Math.atan2(k, bl) * rad2deg - 120 : NaN; - return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity); - } - - function cubehelix(h, s, l, opacity) { - return arguments.length === 1 ? cubehelixConvert(h) : new Cubehelix(h, s, l, opacity == null ? 1 : opacity); - } - - function Cubehelix(h, s, l, opacity) { - this.h = +h; - this.s = +s; - this.l = +l; - this.opacity = +opacity; - } - - define(Cubehelix, cubehelix, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Cubehelix(this.h, this.s, this.l * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Cubehelix(this.h, this.s, this.l * k, this.opacity); - }, - rgb: function() { - var h = isNaN(this.h) ? 0 : (this.h + 120) * deg2rad, - l = +this.l, - a = isNaN(this.s) ? 0 : this.s * l * (1 - l), - cosh = Math.cos(h), - sinh = Math.sin(h); - return new Rgb( - 255 * (l + a * (A * cosh + B * sinh)), - 255 * (l + a * (C * cosh + D * sinh)), - 255 * (l + a * (E * cosh)), - this.opacity - ); - } - })); +var number$1 = function(x) { + return +x; +} - function basis$1(t1, v0, v1, v2, v3) { - var t2 = t1 * t1, t3 = t2 * t1; - return ((1 - 3 * t1 + 3 * t2 - t3) * v0 - + (4 - 6 * t2 + 3 * t3) * v1 - + (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2 - + t3 * v3) / 6; - } +var unit = [0, 1]; - function basis$2(values) { - var n = values.length - 1; - return function(t) { - var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n), - v1 = values[i], - v2 = values[i + 1], - v0 = i > 0 ? values[i - 1] : 2 * v1 - v2, - v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; - return basis$1((t - i / n) * n, v0, v1, v2, v3); - }; - } +function deinterpolateLinear(a, b) { + return (b -= (a = +a)) + ? function(x) { return (x - a) / b; } + : constant$4(b); +} - function basisClosed$1(values) { - var n = values.length; - return function(t) { - var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n), - v0 = values[(i + n - 1) % n], - v1 = values[i % n], - v2 = values[(i + 1) % n], - v3 = values[(i + 2) % n]; - return basis$1((t - i / n) * n, v0, v1, v2, v3); - }; - } +function deinterpolateClamp(deinterpolate) { + return function(a, b) { + var d = deinterpolate(a = +a, b = +b); + return function(x) { return x <= a ? 0 : x >= b ? 1 : d(x); }; + }; +} - function constant$2(x) { - return function() { - return x; - }; - } +function reinterpolateClamp(reinterpolate) { + return function(a, b) { + var r = reinterpolate(a = +a, b = +b); + return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; + }; +} - function linear$1(a, d) { - return function(t) { - return a + t * d; - }; - } +function bimap(domain, range$$1, deinterpolate, reinterpolate) { + var d0 = domain[0], d1 = domain[1], r0 = range$$1[0], r1 = range$$1[1]; + if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); + else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); + return function(x) { return r0(d0(x)); }; +} - function exponential$1(a, b, y) { - return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) { - return Math.pow(a + t * b, y); - }; +function polymap(domain, range$$1, deinterpolate, reinterpolate) { + var j = Math.min(domain.length, range$$1.length) - 1, + d = new Array(j), + r = new Array(j), + i = -1; + + // Reverse descending domains. + if (domain[j] < domain[0]) { + domain = domain.slice().reverse(); + range$$1 = range$$1.slice().reverse(); } - function hue(a, b) { - var d = b - a; - return d ? linear$1(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$2(isNaN(a) ? b : a); + while (++i < j) { + d[i] = deinterpolate(domain[i], domain[i + 1]); + r[i] = reinterpolate(range$$1[i], range$$1[i + 1]); } - function gamma(y) { - return (y = +y) === 1 ? nogamma : function(a, b) { - return b - a ? exponential$1(a, b, y) : constant$2(isNaN(a) ? b : a); - }; + return function(x) { + var i = bisectRight(domain, x, 1, j) - 1; + return r[i](d[i](x)); + }; +} + +function copy(source, target) { + return target + .domain(source.domain()) + .range(source.range()) + .interpolate(source.interpolate()) + .clamp(source.clamp()); +} + +// deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. +// reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. +function continuous(deinterpolate, reinterpolate) { + var domain = unit, + range$$1 = unit, + interpolate$$1 = interpolate, + clamp = false, + piecewise, + output, + input; + + function rescale() { + piecewise = Math.min(domain.length, range$$1.length) > 2 ? polymap : bimap; + output = input = null; + return scale; } - function nogamma(a, b) { - var d = b - a; - return d ? linear$1(a, d) : constant$2(isNaN(a) ? b : a); + function scale(x) { + return (output || (output = piecewise(domain, range$$1, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x); } - var interpolateRgb = (function rgbGamma(y) { - var color = gamma(y); + scale.invert = function(y) { + return (input || (input = piecewise(range$$1, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); + }; - function rgb(start, end) { - var r = color((start = colorRgb(start)).r, (end = colorRgb(end)).r), - g = color(start.g, end.g), - b = color(start.b, end.b), - opacity = color(start.opacity, end.opacity); - return function(t) { - start.r = r(t); - start.g = g(t); - start.b = b(t); - start.opacity = opacity(t); - return start + ""; - }; - } + scale.domain = function(_) { + return arguments.length ? (domain = map$3.call(_, number$1), rescale()) : domain.slice(); + }; - rgb.gamma = rgbGamma; + scale.range = function(_) { + return arguments.length ? (range$$1 = slice$3.call(_), rescale()) : range$$1.slice(); + }; - return rgb; - })(1); + scale.rangeRound = function(_) { + return range$$1 = slice$3.call(_), interpolate$$1 = interpolateRound, rescale(); + }; - function rgbSpline(spline) { - return function(colors) { - var n = colors.length, - r = new Array(n), - g = new Array(n), - b = new Array(n), - i, color; - for (i = 0; i < n; ++i) { - color = colorRgb(colors[i]); - r[i] = color.r || 0; - g[i] = color.g || 0; - b[i] = color.b || 0; - } - r = spline(r); - g = spline(g); - b = spline(b); - color.opacity = 1; - return function(t) { - color.r = r(t); - color.g = g(t); - color.b = b(t); - return color + ""; - }; - }; - } + scale.clamp = function(_) { + return arguments.length ? (clamp = !!_, rescale()) : clamp; + }; - var rgbBasis = rgbSpline(basis$2); - var rgbBasisClosed = rgbSpline(basisClosed$1); + scale.interpolate = function(_) { + return arguments.length ? (interpolate$$1 = _, rescale()) : interpolate$$1; + }; - function array$1(a, b) { - var nb = b ? b.length : 0, - na = a ? Math.min(nb, a.length) : 0, - x = new Array(nb), - c = new Array(nb), - i; + return rescale(); +} + +var tickFormat = function(domain, count, specifier) { + var start = domain[0], + stop = domain[domain.length - 1], + step = tickStep(start, stop, count == null ? 10 : count), + precision; + specifier = formatSpecifier(specifier == null ? ",f" : specifier); + switch (specifier.type) { + case "s": { + var value = Math.max(Math.abs(start), Math.abs(stop)); + if (specifier.precision == null && !isNaN(precision = precisionPrefix(step, value))) specifier.precision = precision; + return exports.formatPrefix(specifier, value); + } + case "": + case "e": + case "g": + case "p": + case "r": { + if (specifier.precision == null && !isNaN(precision = precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === "e"); + break; + } + case "f": + case "%": { + if (specifier.precision == null && !isNaN(precision = precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2; + break; + } + } + return exports.format(specifier); +} + +function linearish(scale) { + var domain = scale.domain; + + scale.ticks = function(count) { + var d = domain(); + return ticks(d[0], d[d.length - 1], count == null ? 10 : count); + }; - for (i = 0; i < na; ++i) x[i] = interpolate(a[i], b[i]); - for (; i < nb; ++i) c[i] = b[i]; + scale.tickFormat = function(count, specifier) { + return tickFormat(domain(), count, specifier); + }; - return function(t) { - for (i = 0; i < na; ++i) c[i] = x[i](t); - return c; - }; - } + scale.nice = function(count) { + var d = domain(), + i = d.length - 1, + n = count == null ? 10 : count, + start = d[0], + stop = d[i], + step = tickStep(start, stop, n); - function date(a, b) { - var d = new Date; - return a = +a, b -= a, function(t) { - return d.setTime(a + b * t), d; - }; - } + if (step) { + step = tickStep(Math.floor(start / step) * step, Math.ceil(stop / step) * step, n); + d[0] = Math.floor(start / step) * step; + d[i] = Math.ceil(stop / step) * step; + domain(d); + } - function interpolateNumber(a, b) { - return a = +a, b -= a, function(t) { - return a + b * t; - }; - } + return scale; + }; - function object(a, b) { - var i = {}, - c = {}, - k; + return scale; +} - if (a === null || typeof a !== "object") a = {}; - if (b === null || typeof b !== "object") b = {}; +function linear$2() { + var scale = continuous(deinterpolateLinear, interpolateNumber); - for (k in b) { - if (k in a) { - i[k] = interpolate(a[k], b[k]); - } else { - c[k] = b[k]; - } - } + scale.copy = function() { + return copy(scale, linear$2()); + }; - return function(t) { - for (k in i) c[k] = i[k](t); - return c; - }; - } + return linearish(scale); +} - var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; - var reB = new RegExp(reA.source, "g"); - function zero(b) { - return function() { - return b; - }; +function identity$4() { + var domain = [0, 1]; + + function scale(x) { + return +x; } - function one(b) { - return function(t) { - return b(t) + ""; - }; + scale.invert = scale; + + scale.domain = scale.range = function(_) { + return arguments.length ? (domain = map$3.call(_, number$1), scale) : domain.slice(); + }; + + scale.copy = function() { + return identity$4().domain(domain); + }; + + return linearish(scale); +} + +var nice = function(domain, interval) { + domain = domain.slice(); + + var i0 = 0, + i1 = domain.length - 1, + x0 = domain[i0], + x1 = domain[i1], + t; + + if (x1 < x0) { + t = i0, i0 = i1, i1 = t; + t = x0, x0 = x1, x1 = t; + } + + domain[i0] = interval.floor(x0); + domain[i1] = interval.ceil(x1); + return domain; +} + +function deinterpolate(a, b) { + return (b = Math.log(b / a)) + ? function(x) { return Math.log(x / a) / b; } + : constant$4(b); +} + +function reinterpolate(a, b) { + return a < 0 + ? function(t) { return -Math.pow(-b, t) * Math.pow(-a, 1 - t); } + : function(t) { return Math.pow(b, t) * Math.pow(a, 1 - t); }; +} + +function pow10(x) { + return isFinite(x) ? +("1e" + x) : x < 0 ? 0 : x; +} + +function powp(base) { + return base === 10 ? pow10 + : base === Math.E ? Math.exp + : function(x) { return Math.pow(base, x); }; +} + +function logp(base) { + return base === Math.E ? Math.log + : base === 10 && Math.log10 + || base === 2 && Math.log2 + || (base = Math.log(base), function(x) { return Math.log(x) / base; }); +} + +function reflect(f) { + return function(x) { + return -f(-x); + }; +} + +function log() { + var scale = continuous(deinterpolate, reinterpolate).domain([1, 10]), + domain = scale.domain, + base = 10, + logs = logp(10), + pows = powp(10); + + function rescale() { + logs = logp(base), pows = powp(base); + if (domain()[0] < 0) logs = reflect(logs), pows = reflect(pows); + return scale; } - function interpolateString(a, b) { - var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b - am, // current match in a - bm, // current match in b - bs, // string preceding current number in b, if any - i = -1, // index in s - s = [], // string constants and placeholders - q = []; // number interpolators + scale.base = function(_) { + return arguments.length ? (base = +_, rescale()) : base; + }; - // Coerce inputs to strings. - a = a + "", b = b + ""; + scale.domain = function(_) { + return arguments.length ? (domain(_), rescale()) : domain(); + }; - // Interpolate pairs of numbers in a & b. - while ((am = reA.exec(a)) - && (bm = reB.exec(b))) { - if ((bs = bm.index) > bi) { // a string precedes the next number in b - bs = b.slice(bi, bs); - if (s[i]) s[i] += bs; // coalesce with previous string - else s[++i] = bs; - } - if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match - if (s[i]) s[i] += bm; // coalesce with previous string - else s[++i] = bm; - } else { // interpolate non-matching numbers - s[++i] = null; - q.push({i: i, x: interpolateNumber(am, bm)}); - } - bi = reB.lastIndex; - } + scale.ticks = function(count) { + var d = domain(), + u = d[0], + v = d[d.length - 1], + r; - // Add remains of b. - if (bi < b.length) { - bs = b.slice(bi); - if (s[i]) s[i] += bs; // coalesce with previous string - else s[++i] = bs; - } + if (r = v < u) i = u, u = v, v = i; - // Special optimization for only a single match. - // Otherwise, interpolate each of the numbers and rejoin the string. - return s.length < 2 ? (q[0] - ? one(q[0].x) - : zero(b)) - : (b = q.length, function(t) { - for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); - return s.join(""); - }); - } + var i = logs(u), + j = logs(v), + p, + k, + t, + n = count == null ? 10 : +count, + z = []; + + if (!(base % 1) && j - i < n) { + i = Math.round(i) - 1, j = Math.round(j) + 1; + if (u > 0) for (; i < j; ++i) { + for (k = 1, p = pows(i); k < base; ++k) { + t = p * k; + if (t < u) continue; + if (t > v) break; + z.push(t); + } + } else for (; i < j; ++i) { + for (k = base - 1, p = pows(i); k >= 1; --k) { + t = p * k; + if (t < u) continue; + if (t > v) break; + z.push(t); + } + } + } else { + z = ticks(i, j, Math.min(j - i, n)).map(pows); + } - function interpolate(a, b) { - var t = typeof b, c; - return b == null || t === "boolean" ? constant$2(b) - : (t === "number" ? interpolateNumber - : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) - : b instanceof color ? interpolateRgb - : b instanceof Date ? date - : Array.isArray(b) ? array$1 - : isNaN(b) ? object - : interpolateNumber)(a, b); - } + return r ? z.reverse() : z; + }; - function interpolateRound(a, b) { - return a = +a, b -= a, function(t) { - return Math.round(a + b * t); + scale.tickFormat = function(count, specifier) { + if (specifier == null) specifier = base === 10 ? ".0e" : ","; + if (typeof specifier !== "function") specifier = exports.format(specifier); + if (count === Infinity) return specifier; + if (count == null) count = 10; + var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate? + return function(d) { + var i = d / pows(Math.round(logs(d))); + if (i * base < base - 0.5) i *= base; + return i <= k ? specifier(d) : ""; }; - } + }; - var degrees = 180 / Math.PI; + scale.nice = function() { + return domain(nice(domain(), { + floor: function(x) { return pows(Math.floor(logs(x))); }, + ceil: function(x) { return pows(Math.ceil(logs(x))); } + })); + }; - var identity$2 = { - translateX: 0, - translateY: 0, - rotate: 0, - skewX: 0, - scaleX: 1, - scaleY: 1 + scale.copy = function() { + return copy(scale, log().base(base)); }; - function decompose(a, b, c, d, e, f) { - var scaleX, scaleY, skewX; - if (scaleX = Math.sqrt(a * a + b * b)) a /= scaleX, b /= scaleX; - if (skewX = a * c + b * d) c -= a * skewX, d -= b * skewX; - if (scaleY = Math.sqrt(c * c + d * d)) c /= scaleY, d /= scaleY, skewX /= scaleY; - if (a * d < b * c) a = -a, b = -b, skewX = -skewX, scaleX = -scaleX; - return { - translateX: e, - translateY: f, - rotate: Math.atan2(b, a) * degrees, - skewX: Math.atan(skewX) * degrees, - scaleX: scaleX, - scaleY: scaleY - }; - } + return scale; +} + +function raise(x, exponent) { + return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); +} - var cssNode; - var cssRoot; - var cssView; - var svgNode; - function parseCss(value) { - if (value === "none") return identity$2; - if (!cssNode) cssNode = document.createElement("DIV"), cssRoot = document.documentElement, cssView = document.defaultView; - cssNode.style.transform = value; - value = cssView.getComputedStyle(cssRoot.appendChild(cssNode), null).getPropertyValue("transform"); - cssRoot.removeChild(cssNode); - value = value.slice(7, -1).split(","); - return decompose(+value[0], +value[1], +value[2], +value[3], +value[4], +value[5]); +function pow() { + var exponent = 1, + scale = continuous(deinterpolate, reinterpolate), + domain = scale.domain; + + function deinterpolate(a, b) { + return (b = raise(b, exponent) - (a = raise(a, exponent))) + ? function(x) { return (raise(x, exponent) - a) / b; } + : constant$4(b); } - function parseSvg(value) { - if (value == null) return identity$2; - if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g"); - svgNode.setAttribute("transform", value); - if (!(value = svgNode.transform.baseVal.consolidate())) return identity$2; - value = value.matrix; - return decompose(value.a, value.b, value.c, value.d, value.e, value.f); + function reinterpolate(a, b) { + b = raise(b, exponent) - (a = raise(a, exponent)); + return function(t) { return raise(a + b * t, 1 / exponent); }; } - function interpolateTransform(parse, pxComma, pxParen, degParen) { + scale.exponent = function(_) { + return arguments.length ? (exponent = +_, domain(domain())) : exponent; + }; - function pop(s) { - return s.length ? s.pop() + " " : ""; - } + scale.copy = function() { + return copy(scale, pow().exponent(exponent)); + }; - function translate(xa, ya, xb, yb, s, q) { - if (xa !== xb || ya !== yb) { - var i = s.push("translate(", null, pxComma, null, pxParen); - q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); - } else if (xb || yb) { - s.push("translate(" + xb + pxComma + yb + pxParen); - } - } + return linearish(scale); +} - function rotate(a, b, s, q) { - if (a !== b) { - if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path - q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: interpolateNumber(a, b)}); - } else if (b) { - s.push(pop(s) + "rotate(" + b + degParen); - } - } +function sqrt() { + return pow().exponent(0.5); +} - function skewX(a, b, s, q) { - if (a !== b) { - q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: interpolateNumber(a, b)}); - } else if (b) { - s.push(pop(s) + "skewX(" + b + degParen); - } - } +function quantile$$1() { + var domain = [], + range$$1 = [], + thresholds = []; - function scale(xa, ya, xb, yb, s, q) { - if (xa !== xb || ya !== yb) { - var i = s.push(pop(s) + "scale(", null, ",", null, ")"); - q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); - } else if (xb !== 1 || yb !== 1) { - s.push(pop(s) + "scale(" + xb + "," + yb + ")"); - } - } + function rescale() { + var i = 0, n = Math.max(1, range$$1.length); + thresholds = new Array(n - 1); + while (++i < n) thresholds[i - 1] = threshold(domain, i / n); + return scale; + } - return function(a, b) { - var s = [], // string constants and placeholders - q = []; // number interpolators - a = parse(a), b = parse(b); - translate(a.translateX, a.translateY, b.translateX, b.translateY, s, q); - rotate(a.rotate, b.rotate, s, q); - skewX(a.skewX, b.skewX, s, q); - scale(a.scaleX, a.scaleY, b.scaleX, b.scaleY, s, q); - a = b = null; // gc - return function(t) { - var i = -1, n = q.length, o; - while (++i < n) s[(o = q[i]).i] = o.x(t); - return s.join(""); - }; - }; + function scale(x) { + if (!isNaN(x = +x)) return range$$1[bisectRight(thresholds, x)]; } - var interpolateTransform$1 = interpolateTransform(parseCss, "px, ", "px)", "deg)"); - var interpolateTransform$2 = interpolateTransform(parseSvg, ", ", ")", ")"); + scale.invertExtent = function(y) { + var i = range$$1.indexOf(y); + return i < 0 ? [NaN, NaN] : [ + i > 0 ? thresholds[i - 1] : domain[0], + i < thresholds.length ? thresholds[i] : domain[domain.length - 1] + ]; + }; - var rho = Math.SQRT2; - var rho2 = 2; - var rho4 = 4; - var epsilon2 = 1e-12; - function cosh(x) { - return ((x = Math.exp(x)) + 1 / x) / 2; - } + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = []; + for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); + domain.sort(ascending); + return rescale(); + }; - function sinh(x) { - return ((x = Math.exp(x)) - 1 / x) / 2; - } + scale.range = function(_) { + return arguments.length ? (range$$1 = slice$3.call(_), rescale()) : range$$1.slice(); + }; - function tanh(x) { - return ((x = Math.exp(2 * x)) - 1) / (x + 1); - } + scale.quantiles = function() { + return thresholds.slice(); + }; - // p0 = [ux0, uy0, w0] - // p1 = [ux1, uy1, w1] - function interpolateZoom(p0, p1) { - var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], - ux1 = p1[0], uy1 = p1[1], w1 = p1[2], - dx = ux1 - ux0, - dy = uy1 - uy0, - d2 = dx * dx + dy * dy, - i, - S; + scale.copy = function() { + return quantile$$1() + .domain(domain) + .range(range$$1); + }; - // Special case for u0 ≅ u1. - if (d2 < epsilon2) { - S = Math.log(w1 / w0) / rho; - i = function(t) { - return [ - ux0 + t * dx, - uy0 + t * dy, - w0 * Math.exp(rho * t * S) - ]; - } - } + return scale; +} - // General case. - else { - var d1 = Math.sqrt(d2), - b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), - b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), - r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), - r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); - S = (r1 - r0) / rho; - i = function(t) { - var s = t * S, - coshr0 = cosh(r0), - u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0)); - return [ - ux0 + u * dx, - uy0 + u * dy, - w0 * coshr0 / cosh(rho * s + r0) - ]; - } - } +function quantize$1() { + var x0 = 0, + x1 = 1, + n = 1, + domain = [0.5], + range$$1 = [0, 1]; - i.duration = S * 1000; + function scale(x) { + if (x <= x) return range$$1[bisectRight(domain, x, 0, n)]; + } - return i; + function rescale() { + var i = -1; + domain = new Array(n); + while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1); + return scale; } - function hsl(hue) { - return function(start, end) { - var h = hue((start = colorHsl(start)).h, (end = colorHsl(end)).h), - s = nogamma(start.s, end.s), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.s = s(t); - start.l = l(t); - start.opacity = opacity(t); - return start + ""; - }; - } - } + scale.domain = function(_) { + return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1]; + }; - var hsl$1 = hsl(hue); - var hslLong = hsl(nogamma); + scale.range = function(_) { + return arguments.length ? (n = (range$$1 = slice$3.call(_)).length - 1, rescale()) : range$$1.slice(); + }; - function lab$1(start, end) { - var l = nogamma((start = lab(start)).l, (end = lab(end)).l), - a = nogamma(start.a, end.a), - b = nogamma(start.b, end.b), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.l = l(t); - start.a = a(t); - start.b = b(t); - start.opacity = opacity(t); - return start + ""; - }; - } + scale.invertExtent = function(y) { + var i = range$$1.indexOf(y); + return i < 0 ? [NaN, NaN] + : i < 1 ? [x0, domain[0]] + : i >= n ? [domain[n - 1], x1] + : [domain[i - 1], domain[i]]; + }; - function hcl(hue) { - return function(start, end) { - var h = hue((start = colorHcl(start)).h, (end = colorHcl(end)).h), - c = nogamma(start.c, end.c), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.c = c(t); - start.l = l(t); - start.opacity = opacity(t); - return start + ""; - }; - } - } + scale.copy = function() { + return quantize$1() + .domain([x0, x1]) + .range(range$$1); + }; - var hcl$1 = hcl(hue); - var hclLong = hcl(nogamma); + return linearish(scale); +} - function cubehelix$1(hue) { - return (function cubehelixGamma(y) { - y = +y; +function threshold$1() { + var domain = [0.5], + range$$1 = [0, 1], + n = 1; - function cubehelix$$(start, end) { - var h = hue((start = cubehelix(start)).h, (end = cubehelix(end)).h), - s = nogamma(start.s, end.s), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.s = s(t); - start.l = l(Math.pow(t, y)); - start.opacity = opacity(t); - return start + ""; - }; - } + function scale(x) { + if (x <= x) return range$$1[bisectRight(domain, x, 0, n)]; + } - cubehelix$$.gamma = cubehelixGamma; + scale.domain = function(_) { + return arguments.length ? (domain = slice$3.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : domain.slice(); + }; - return cubehelix$$; - })(1); - } + scale.range = function(_) { + return arguments.length ? (range$$1 = slice$3.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : range$$1.slice(); + }; - var cubehelix$2 = cubehelix$1(hue); - var interpolateCubehelixLong = cubehelix$1(nogamma); + scale.invertExtent = function(y) { + var i = range$$1.indexOf(y); + return [domain[i - 1], domain[i]]; + }; - function quantize(interpolator, n) { - var samples = new Array(n); - for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); - return samples; - } + scale.copy = function() { + return threshold$1() + .domain(domain) + .range(range$$1); + }; - var noop$1 = {value: function() {}}; + return scale; +} + +var durationSecond$1 = 1000; +var durationMinute$1 = durationSecond$1 * 60; +var durationHour$1 = durationMinute$1 * 60; +var durationDay$1 = durationHour$1 * 24; +var durationWeek$1 = durationDay$1 * 7; +var durationMonth = durationDay$1 * 30; +var durationYear = durationDay$1 * 365; + +function date$1(t) { + return new Date(t); +} + +function number$2(t) { + return t instanceof Date ? +t : +new Date(+t); +} + +function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format) { + var scale = continuous(deinterpolateLinear, interpolateNumber), + invert = scale.invert, + domain = scale.domain; + + var formatMillisecond = format(".%L"), + formatSecond = format(":%S"), + formatMinute = format("%I:%M"), + formatHour = format("%I %p"), + formatDay = format("%a %d"), + formatWeek = format("%b %d"), + formatMonth = format("%B"), + formatYear = format("%Y"); + + var tickIntervals = [ + [second$$1, 1, durationSecond$1], + [second$$1, 5, 5 * durationSecond$1], + [second$$1, 15, 15 * durationSecond$1], + [second$$1, 30, 30 * durationSecond$1], + [minute$$1, 1, durationMinute$1], + [minute$$1, 5, 5 * durationMinute$1], + [minute$$1, 15, 15 * durationMinute$1], + [minute$$1, 30, 30 * durationMinute$1], + [ hour$$1, 1, durationHour$1 ], + [ hour$$1, 3, 3 * durationHour$1 ], + [ hour$$1, 6, 6 * durationHour$1 ], + [ hour$$1, 12, 12 * durationHour$1 ], + [ day$$1, 1, durationDay$1 ], + [ day$$1, 2, 2 * durationDay$1 ], + [ week, 1, durationWeek$1 ], + [ month$$1, 1, durationMonth ], + [ month$$1, 3, 3 * durationMonth ], + [ year$$1, 1, durationYear ] + ]; - function dispatch() { - for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { - if (!(t = arguments[i] + "") || (t in _)) throw new Error("illegal type: " + t); - _[t] = []; + function tickFormat(date) { + return (second$$1(date) < date ? formatMillisecond + : minute$$1(date) < date ? formatSecond + : hour$$1(date) < date ? formatMinute + : day$$1(date) < date ? formatHour + : month$$1(date) < date ? (week(date) < date ? formatDay : formatWeek) + : year$$1(date) < date ? formatMonth + : formatYear)(date); + } + + function tickInterval(interval, start, stop, step) { + if (interval == null) interval = 10; + + // If a desired tick count is specified, pick a reasonable tick interval + // based on the extent of the domain and a rough estimate of tick size. + // Otherwise, assume interval is already a time interval and use it. + if (typeof interval === "number") { + var target = Math.abs(stop - start) / interval, + i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); + if (i === tickIntervals.length) { + step = tickStep(start / durationYear, stop / durationYear, interval); + interval = year$$1; + } else if (i) { + i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; + step = i[1]; + interval = i[0]; + } else { + step = tickStep(start, stop, interval); + interval = millisecond$$1; + } } - return new Dispatch(_); - } - function Dispatch(_) { - this._ = _; + return step == null ? interval : interval.every(step); } - function parseTypenames(typenames, types) { - return typenames.trim().split(/^|\s+/).map(function(t) { - var name = "", i = t.indexOf("."); - if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); - if (t && !types.hasOwnProperty(t)) throw new Error("unknown type: " + t); - return {type: t, name: name}; - }); - } + scale.invert = function(y) { + return new Date(invert(y)); + }; - Dispatch.prototype = dispatch.prototype = { - constructor: Dispatch, - on: function(typename, callback) { - var _ = this._, - T = parseTypenames(typename + "", _), - t, - i = -1, - n = T.length; + scale.domain = function(_) { + return arguments.length ? domain(map$3.call(_, number$2)) : domain().map(date$1); + }; - // If no callback was specified, return the callback of the given type and name. - if (arguments.length < 2) { - while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t; - return; - } + scale.ticks = function(interval, step) { + var d = domain(), + t0 = d[0], + t1 = d[d.length - 1], + r = t1 < t0, + t; + if (r) t = t0, t0 = t1, t1 = t; + t = tickInterval(interval, t0, t1, step); + t = t ? t.range(t0, t1 + 1) : []; // inclusive stop + return r ? t.reverse() : t; + }; - // If a type was specified, set the callback for the given type and name. - // Otherwise, if a null callback was specified, remove callbacks of the given name. - if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback); - while (++i < n) { - if (t = (typename = T[i]).type) _[t] = set$1(_[t], typename.name, callback); - else if (callback == null) for (t in _) _[t] = set$1(_[t], typename.name, null); - } + scale.tickFormat = function(count, specifier) { + return specifier == null ? tickFormat : format(specifier); + }; - return this; - }, - copy: function() { - var copy = {}, _ = this._; - for (var t in _) copy[t] = _[t].slice(); - return new Dispatch(copy); - }, - call: function(type, that) { - if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) args[i] = arguments[i + 2]; - if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); - for (t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); - }, - apply: function(type, that, args) { - if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); - for (var t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); - } + scale.nice = function(interval, step) { + var d = domain(); + return (interval = tickInterval(interval, d[0], d[d.length - 1], step)) + ? domain(nice(d, interval)) + : scale; }; - function get(type, name) { - for (var i = 0, n = type.length, c; i < n; ++i) { - if ((c = type[i]).name === name) { - return c.value; - } - } - } + scale.copy = function() { + return copy(scale, calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format)); + }; - function set$1(type, name, callback) { - for (var i = 0, n = type.length; i < n; ++i) { - if (type[i].name === name) { - type[i] = noop$1, type = type.slice(0, i).concat(type.slice(i + 1)); - break; - } - } - if (callback != null) type.push({name: name, value: callback}); - return type; - } + return scale; +} - function objectConverter(columns) { - return new Function("d", "return {" + columns.map(function(name, i) { - return JSON.stringify(name) + ": d[" + i + "]"; - }).join(",") + "}"); - } +var time = function() { + return calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]); +} - function customConverter(columns, f) { - var object = objectConverter(columns); - return function(row, i) { - return f(object(row), i, columns); - }; - } +var utcTime = function() { + return calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); +} - // Compute unique columns in order of discovery. - function inferColumns(rows) { - var columnSet = Object.create(null), - columns = []; +var colors = function(s) { + return s.match(/.{6}/g).map(function(x) { + return "#" + x; + }); +} - rows.forEach(function(row) { - for (var column in row) { - if (!(column in columnSet)) { - columns.push(columnSet[column] = column); - } - } - }); +var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); - return columns; - } +var category20b = colors("393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6"); - function dsv(delimiter) { - var reFormat = new RegExp("[\"" + delimiter + "\n]"), - delimiterCode = delimiter.charCodeAt(0); +var category20c = colors("3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9"); - function parse(text, f) { - var convert, columns, rows = parseRows(text, function(row, i) { - if (convert) return convert(row, i - 1); - columns = row, convert = f ? customConverter(row, f) : objectConverter(row); - }); - rows.columns = columns; - return rows; - } - - function parseRows(text, f) { - var EOL = {}, // sentinel value for end-of-line - EOF = {}, // sentinel value for end-of-file - rows = [], // output rows - N = text.length, - I = 0, // current character index - n = 0, // the current line number - t, // the current token - eol; // is the current token followed by EOL? - - function token() { - if (I >= N) return EOF; // special case: end of file - if (eol) return eol = false, EOL; // special case: end of line - - // special case: quotes - var j = I, c; - if (text.charCodeAt(j) === 34) { - var i = j; - while (i++ < N) { - if (text.charCodeAt(i) === 34) { - if (text.charCodeAt(i + 1) !== 34) break; - ++i; - } - } - I = i + 2; - c = text.charCodeAt(i + 1); - if (c === 13) { - eol = true; - if (text.charCodeAt(i + 2) === 10) ++I; - } else if (c === 10) { - eol = true; - } - return text.slice(j + 1, i).replace(/""/g, "\""); - } +var category20 = colors("1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5"); - // common case: find next delimiter or newline - while (I < N) { - var k = 1; - c = text.charCodeAt(I++); - if (c === 10) eol = true; // \n - else if (c === 13) { eol = true; if (text.charCodeAt(I) === 10) ++I, ++k; } // \r|\r\n - else if (c !== delimiterCode) continue; - return text.slice(j, I - k); - } +var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); - // special case: last token before EOF - return text.slice(j); - } +var warm = cubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); - while ((t = token()) !== EOF) { - var a = []; - while (t !== EOL && t !== EOF) { - a.push(t); - t = token(); - } - if (f && (a = f(a, n++)) == null) continue; - rows.push(a); - } +var cool = cubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); - return rows; - } +var rainbow = cubehelix(); - function format(rows, columns) { - if (columns == null) columns = inferColumns(rows); - return [columns.map(formatValue).join(delimiter)].concat(rows.map(function(row) { - return columns.map(function(column) { - return formatValue(row[column]); - }).join(delimiter); - })).join("\n"); - } +var rainbow$1 = function(t) { + if (t < 0 || t > 1) t -= Math.floor(t); + var ts = Math.abs(t - 0.5); + rainbow.h = 360 * t - 100; + rainbow.s = 1.5 - 1.5 * ts; + rainbow.l = 0.8 - 0.9 * ts; + return rainbow + ""; +} - function formatRows(rows) { - return rows.map(formatRow).join("\n"); - } +function ramp(range) { + var n = range.length; + return function(t) { + return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; + }; +} - function formatRow(row) { - return row.map(formatValue).join(delimiter); - } +var viridis = ramp(colors("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")); - function formatValue(text) { - return text == null ? "" - : reFormat.test(text += "") ? "\"" + text.replace(/\"/g, "\"\"") + "\"" - : text; - } +var magma = ramp(colors("00000401000501010601010802010902020b02020d03030f03031204041405041606051806051a07061c08071e0907200a08220b09240c09260d0a290e0b2b100b2d110c2f120d31130d34140e36150e38160f3b180f3d19103f1a10421c10441d11471e114920114b21114e22115024125325125527125829115a2a115c2c115f2d11612f116331116533106734106936106b38106c390f6e3b0f703d0f713f0f72400f74420f75440f764510774710784910784a10794c117a4e117b4f127b51127c52137c54137d56147d57157e59157e5a167e5c167f5d177f5f187f601880621980641a80651a80671b80681c816a1c816b1d816d1d816e1e81701f81721f817320817521817621817822817922827b23827c23827e24828025828125818326818426818627818827818928818b29818c29818e2a81902a81912b81932b80942c80962c80982d80992d809b2e7f9c2e7f9e2f7fa02f7fa1307ea3307ea5317ea6317da8327daa337dab337cad347cae347bb0357bb2357bb3367ab5367ab73779b83779ba3878bc3978bd3977bf3a77c03a76c23b75c43c75c53c74c73d73c83e73ca3e72cc3f71cd4071cf4070d0416fd2426fd3436ed5446dd6456cd8456cd9466bdb476adc4869de4968df4a68e04c67e24d66e34e65e44f64e55064e75263e85362e95462ea5661eb5760ec5860ed5a5fee5b5eef5d5ef05f5ef1605df2625df2645cf3655cf4675cf4695cf56b5cf66c5cf66e5cf7705cf7725cf8745cf8765cf9785df9795df97b5dfa7d5efa7f5efa815ffb835ffb8560fb8761fc8961fc8a62fc8c63fc8e64fc9065fd9266fd9467fd9668fd9869fd9a6afd9b6bfe9d6cfe9f6dfea16efea36ffea571fea772fea973feaa74feac76feae77feb078feb27afeb47bfeb67cfeb77efeb97ffebb81febd82febf84fec185fec287fec488fec68afec88cfeca8dfecc8ffecd90fecf92fed194fed395fed597fed799fed89afdda9cfddc9efddea0fde0a1fde2a3fde3a5fde5a7fde7a9fde9aafdebacfcecaefceeb0fcf0b2fcf2b4fcf4b6fcf6b8fcf7b9fcf9bbfcfbbdfcfdbf")); - return { - parse: parse, - parseRows: parseRows, - format: format, - formatRows: formatRows - }; - } +var inferno = ramp(colors("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")); - var csv = dsv(","); - - var csvParse = csv.parse; - var csvParseRows = csv.parseRows; - var csvFormat = csv.format; - var csvFormatRows = csv.formatRows; - - var tsv = dsv("\t"); - - var tsvParse = tsv.parse; - var tsvParseRows = tsv.parseRows; - var tsvFormat = tsv.format; - var tsvFormatRows = tsv.formatRows; - - function request(url, callback) { - var request, - event = dispatch("beforesend", "progress", "load", "error"), - mimeType, - headers = map$1(), - xhr = new XMLHttpRequest, - user = null, - password = null, - response, - responseType, - timeout = 0; - - // If IE does not support CORS, use XDomainRequest. - if (typeof XDomainRequest !== "undefined" - && !("withCredentials" in xhr) - && /^(http(s)?:)?\/\//.test(url)) xhr = new XDomainRequest; - - "onload" in xhr - ? xhr.onload = xhr.onerror = xhr.ontimeout = respond - : xhr.onreadystatechange = function(o) { xhr.readyState > 3 && respond(o); }; - - function respond(o) { - var status = xhr.status, result; - if (!status && hasResponse(xhr) - || status >= 200 && status < 300 - || status === 304) { - if (response) { - try { - result = response.call(request, xhr); - } catch (e) { - event.call("error", request, e); - return; - } - } else { - result = xhr; - } - event.call("load", request, result); - } else { - event.call("error", request, o); - } - } +var plasma = ramp(colors("0d088710078813078916078a19068c1b068d1d068e20068f2206902406912605912805922a05932c05942e05952f059631059733059735049837049938049a3a049a3c049b3e049c3f049c41049d43039e44039e46039f48039f4903a04b03a14c02a14e02a25002a25102a35302a35502a45601a45801a45901a55b01a55c01a65e01a66001a66100a76300a76400a76600a76700a86900a86a00a86c00a86e00a86f00a87100a87201a87401a87501a87701a87801a87a02a87b02a87d03a87e03a88004a88104a78305a78405a78606a68707a68808a68a09a58b0aa58d0ba58e0ca48f0da4910ea3920fa39410a29511a19613a19814a099159f9a169f9c179e9d189d9e199da01a9ca11b9ba21d9aa31e9aa51f99a62098a72197a82296aa2395ab2494ac2694ad2793ae2892b02991b12a90b22b8fb32c8eb42e8db52f8cb6308bb7318ab83289ba3388bb3488bc3587bd3786be3885bf3984c03a83c13b82c23c81c33d80c43e7fc5407ec6417dc7427cc8437bc9447aca457acb4679cc4778cc4977cd4a76ce4b75cf4c74d04d73d14e72d24f71d35171d45270d5536fd5546ed6556dd7566cd8576bd9586ada5a6ada5b69db5c68dc5d67dd5e66de5f65de6164df6263e06363e16462e26561e26660e3685fe4695ee56a5de56b5de66c5ce76e5be76f5ae87059e97158e97257ea7457eb7556eb7655ec7754ed7953ed7a52ee7b51ef7c51ef7e50f07f4ff0804ef1814df1834cf2844bf3854bf3874af48849f48948f58b47f58c46f68d45f68f44f79044f79143f79342f89441f89540f9973ff9983ef99a3efa9b3dfa9c3cfa9e3bfb9f3afba139fba238fca338fca537fca636fca835fca934fdab33fdac33fdae32fdaf31fdb130fdb22ffdb42ffdb52efeb72dfeb82cfeba2cfebb2bfebd2afebe2afec029fdc229fdc328fdc527fdc627fdc827fdca26fdcb26fccd25fcce25fcd025fcd225fbd324fbd524fbd724fad824fada24f9dc24f9dd25f8df25f8e125f7e225f7e425f6e626f6e826f5e926f5eb27f4ed27f3ee27f3f027f2f227f1f426f1f525f0f724f0f921")); - xhr.onprogress = function(e) { - event.call("progress", request, e); - }; +function sequential(interpolator) { + var x0 = 0, + x1 = 1, + clamp = false; - request = { - header: function(name, value) { - name = (name + "").toLowerCase(); - if (arguments.length < 2) return headers.get(name); - if (value == null) headers.remove(name); - else headers.set(name, value + ""); - return request; - }, + function scale(x) { + var t = (x - x0) / (x1 - x0); + return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t); + } - // If mimeType is non-null and no Accept header is set, a default is used. - mimeType: function(value) { - if (!arguments.length) return mimeType; - mimeType = value == null ? null : value + ""; - return request; - }, + scale.domain = function(_) { + return arguments.length ? (x0 = +_[0], x1 = +_[1], scale) : [x0, x1]; + }; - // Specifies what type the response value should take; - // for instance, arraybuffer, blob, document, or text. - responseType: function(value) { - if (!arguments.length) return responseType; - responseType = value; - return request; - }, + scale.clamp = function(_) { + return arguments.length ? (clamp = !!_, scale) : clamp; + }; - timeout: function(value) { - if (!arguments.length) return timeout; - timeout = +value; - return request; - }, + scale.interpolator = function(_) { + return arguments.length ? (interpolator = _, scale) : interpolator; + }; - user: function(value) { - return arguments.length < 1 ? user : (user = value == null ? null : value + "", request); - }, + scale.copy = function() { + return sequential(interpolator).domain([x0, x1]).clamp(clamp); + }; - password: function(value) { - return arguments.length < 1 ? password : (password = value == null ? null : value + "", request); - }, + return linearish(scale); +} + +var xhtml = "http://www.w3.org/1999/xhtml"; + +var namespaces = { + svg: "http://www.w3.org/2000/svg", + xhtml: xhtml, + xlink: "http://www.w3.org/1999/xlink", + xml: "http://www.w3.org/XML/1998/namespace", + xmlns: "http://www.w3.org/2000/xmlns/" +}; + +var namespace = function(name) { + var prefix = name += "", i = prefix.indexOf(":"); + if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); + return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; +} + +function creatorInherit(name) { + return function() { + var document = this.ownerDocument, + uri = this.namespaceURI; + return uri === xhtml && document.documentElement.namespaceURI === xhtml + ? document.createElement(name) + : document.createElementNS(uri, name); + }; +} - // Specify how to convert the response content to a specific type; - // changes the callback value on "load" events. - response: function(value) { - response = value; - return request; - }, +function creatorFixed(fullname) { + return function() { + return this.ownerDocument.createElementNS(fullname.space, fullname.local); + }; +} + +var creator = function(name) { + var fullname = namespace(name); + return (fullname.local + ? creatorFixed + : creatorInherit)(fullname); +} + +var nextId = 0; + +function local() { + return new Local; +} + +function Local() { + this._ = "@" + (++nextId).toString(36); +} + +Local.prototype = local.prototype = { + constructor: Local, + get: function(node) { + var id = this._; + while (!(id in node)) if (!(node = node.parentNode)) return; + return node[id]; + }, + set: function(node, value) { + return node[this._] = value; + }, + remove: function(node) { + return this._ in node && delete node[this._]; + }, + toString: function() { + return this._; + } +}; + +var matcher = function(selector) { + return function() { + return this.matches(selector); + }; +}; + +if (typeof document !== "undefined") { + var element = document.documentElement; + if (!element.matches) { + var vendorMatches = element.webkitMatchesSelector + || element.msMatchesSelector + || element.mozMatchesSelector + || element.oMatchesSelector; + matcher = function(selector) { + return function() { + return vendorMatches.call(this, selector); + }; + }; + } +} - // Alias for send("GET", …). - get: function(data, callback) { - return request.send("GET", data, callback); - }, +var matcher$1 = matcher; - // Alias for send("POST", …). - post: function(data, callback) { - return request.send("POST", data, callback); - }, +var filterEvents = {}; - // If callback is non-null, it will be used for error and load events. - send: function(method, data, callback) { - xhr.open(method, url, true, user, password); - if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*"); - if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); }); - if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType); - if (responseType != null) xhr.responseType = responseType; - if (timeout > 0) xhr.timeout = timeout; - if (callback == null && typeof data === "function") callback = data, data = null; - if (callback != null && callback.length === 1) callback = fixCallback(callback); - if (callback != null) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); }); - event.call("beforesend", request, xhr); - xhr.send(data == null ? null : data); - return request; - }, +exports.event = null; - abort: function() { - xhr.abort(); - return request; - }, +if (typeof document !== "undefined") { + var element$1 = document.documentElement; + if (!("onmouseenter" in element$1)) { + filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; + } +} - on: function() { - var value = event.on.apply(event, arguments); - return value === event ? request : value; - } - }; +function filterContextListener(listener, index, group) { + listener = contextListener(listener, index, group); + return function(event) { + var related = event.relatedTarget; + if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { + listener.call(this, event); + } + }; +} - if (callback != null) { - if (typeof callback !== "function") throw new Error("invalid callback: " + callback); - return request.get(callback); +function contextListener(listener, index, group) { + return function(event1) { + var event0 = exports.event; // Events can be reentrant (e.g., focus). + exports.event = event1; + try { + listener.call(this, this.__data__, index, group); + } finally { + exports.event = event0; } + }; +} - return request; - } +function parseTypenames$1(typenames) { + return typenames.trim().split(/^|\s+/).map(function(t) { + var name = "", i = t.indexOf("."); + if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); + return {type: t, name: name}; + }); +} + +function onRemove(typename) { + return function() { + var on = this.__on; + if (!on) return; + for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { + if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { + this.removeEventListener(o.type, o.listener, o.capture); + } else { + on[++i] = o; + } + } + if (++i) on.length = i; + else delete this.__on; + }; +} + +function onAdd(typename, value, capture) { + var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; + return function(d, i, group) { + var on = this.__on, o, listener = wrap(value, i, group); + if (on) for (var j = 0, m = on.length; j < m; ++j) { + if ((o = on[j]).type === typename.type && o.name === typename.name) { + this.removeEventListener(o.type, o.listener, o.capture); + this.addEventListener(o.type, o.listener = listener, o.capture = capture); + o.value = value; + return; + } + } + this.addEventListener(typename.type, listener, capture); + o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; + if (!on) this.__on = [o]; + else on.push(o); + }; +} - function fixCallback(callback) { - return function(error, xhr) { - callback(error == null ? xhr : null); - }; +var selection_on = function(typename, value, capture) { + var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t; + + if (arguments.length < 2) { + var on = this.node().__on; + if (on) for (var j = 0, m = on.length, o; j < m; ++j) { + for (i = 0, o = on[j]; i < n; ++i) { + if ((t = typenames[i]).type === o.type && t.name === o.name) { + return o.value; + } + } + } + return; } - function hasResponse(xhr) { - var type = xhr.responseType; - return type && type !== "text" - ? xhr.response // null on error - : xhr.responseText; // "" on error + on = value ? onAdd : onRemove; + if (capture == null) capture = false; + for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); + return this; +} + +function customEvent(event1, listener, that, args) { + var event0 = exports.event; + event1.sourceEvent = exports.event; + exports.event = event1; + try { + return listener.apply(that, args); + } finally { + exports.event = event0; } +} - function type(defaultMimeType, response) { - return function(url, callback) { - var r = request(url).mimeType(defaultMimeType).response(response); - if (callback != null) { - if (typeof callback !== "function") throw new Error("invalid callback: " + callback); - return r.get(callback); - } - return r; - }; +var sourceEvent = function() { + var current = exports.event, source; + while (source = current.sourceEvent) current = source; + return current; +} + +var point$5 = function(node, event) { + var svg = node.ownerSVGElement || node; + + if (svg.createSVGPoint) { + var point = svg.createSVGPoint(); + point.x = event.clientX, point.y = event.clientY; + point = point.matrixTransform(node.getScreenCTM().inverse()); + return [point.x, point.y]; } - var html = type("text/html", function(xhr) { - return document.createRange().createContextualFragment(xhr.responseText); - }); + var rect = node.getBoundingClientRect(); + return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; +} - var json = type("application/json", function(xhr) { - return JSON.parse(xhr.responseText); - }); +var mouse = function(node) { + var event = sourceEvent(); + if (event.changedTouches) event = event.changedTouches[0]; + return point$5(node, event); +} - var text = type("text/plain", function(xhr) { - return xhr.responseText; - }); +function none$2() {} - var xml = type("application/xml", function(xhr) { - var xml = xhr.responseXML; - if (!xml) throw new Error("parse error"); - return xml; - }); +var selector = function(selector) { + return selector == null ? none$2 : function() { + return this.querySelector(selector); + }; +} - function dsv$1(defaultMimeType, parse) { - return function(url, row, callback) { - if (arguments.length < 3) callback = row, row = null; - var r = request(url).mimeType(defaultMimeType); - r.row = function(_) { return arguments.length ? r.response(responseOf(parse, row = _)) : row; }; - r.row(row); - return callback ? r.get(callback) : r; - }; - } +var selection_select = function(select) { + if (typeof select !== "function") select = selector(select); - function responseOf(parse, row) { - return function(request) { - return parse(request.responseText, row); - }; + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { + if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { + if ("__data__" in node) subnode.__data__ = node.__data__; + subgroup[i] = subnode; + } + } } - var csv$1 = dsv$1("text/csv", csvParse); + return new Selection(subgroups, this._parents); +} - var tsv$1 = dsv$1("text/tab-separated-values", tsvParse); +function empty() { + return []; +} - var frame = 0; - var timeout = 0; - var interval = 0; - var pokeDelay = 1000; - var taskHead; - var taskTail; - var clockLast = 0; - var clockNow = 0; - var clockSkew = 0; - var clock = typeof performance === "object" && performance.now ? performance : Date; - var setFrame = typeof requestAnimationFrame === "function" - ? (clock === Date ? function(f) { requestAnimationFrame(function() { f(clock.now()); }); } : requestAnimationFrame) - : function(f) { setTimeout(f, 17); }; - function now() { - return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew); - } +var selectorAll = function(selector) { + return selector == null ? empty : function() { + return this.querySelectorAll(selector); + }; +} - function clearNow() { - clockNow = 0; - } +var selection_selectAll = function(select) { + if (typeof select !== "function") select = selectorAll(select); - function Timer() { - this._call = - this._time = - this._next = null; + for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + subgroups.push(select.call(node, node.__data__, i, group)); + parents.push(node); + } + } } - Timer.prototype = timer.prototype = { - constructor: Timer, - restart: function(callback, delay, time) { - if (typeof callback !== "function") throw new TypeError("callback is not a function"); - time = (time == null ? now() : +time) + (delay == null ? 0 : +delay); - if (!this._next && taskTail !== this) { - if (taskTail) taskTail._next = this; - else taskHead = this; - taskTail = this; - } - this._call = callback; - this._time = time; - sleep(); - }, - stop: function() { - if (this._call) { - this._call = null; - this._time = Infinity; - sleep(); + return new Selection(subgroups, parents); +} + +var selection_filter = function(match) { + if (typeof match !== "function") match = matcher$1(match); + + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { + if ((node = group[i]) && match.call(node, node.__data__, i, group)) { + subgroup.push(node); } } - }; - - function timer(callback, delay, time) { - var t = new Timer; - t.restart(callback, delay, time); - return t; } - function timerFlush() { - now(); // Get the current time, if not already set. - ++frame; // Pretend we’ve set an alarm, if we haven’t already. - var t = taskHead, e; - while (t) { - if ((e = clockNow - t._time) >= 0) t._call.call(null, e); - t = t._next; + return new Selection(subgroups, this._parents); +} + +var sparse = function(update) { + return new Array(update.length); +} + +var selection_enter = function() { + return new Selection(this._enter || this._groups.map(sparse), this._parents); +} + +function EnterNode(parent, datum) { + this.ownerDocument = parent.ownerDocument; + this.namespaceURI = parent.namespaceURI; + this._next = null; + this._parent = parent; + this.__data__ = datum; +} + +EnterNode.prototype = { + constructor: EnterNode, + appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, + insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, + querySelector: function(selector) { return this._parent.querySelector(selector); }, + querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } +}; + +var constant$5 = function(x) { + return function() { + return x; + }; +} + +var keyPrefix = "$"; // Protect against keys like “__proto__”. + +function bindIndex(parent, group, enter, update, exit, data) { + var i = 0, + node, + groupLength = group.length, + dataLength = data.length; + + // Put any non-null nodes that fit into update. + // Put any null nodes into enter. + // Put any remaining data into enter. + for (; i < dataLength; ++i) { + if (node = group[i]) { + node.__data__ = data[i]; + update[i] = node; + } else { + enter[i] = new EnterNode(parent, data[i]); } - --frame; } - function wake(time) { - clockNow = (clockLast = time || clock.now()) + clockSkew; - frame = timeout = 0; - try { - timerFlush(); - } finally { - frame = 0; - nap(); - clockNow = 0; + // Put any non-null nodes that don’t fit into exit. + for (; i < groupLength; ++i) { + if (node = group[i]) { + exit[i] = node; } } +} - function poke$1() { - var now = clock.now(), delay = now - clockLast; - if (delay > pokeDelay) clockSkew -= delay, clockLast = now; - } +function bindKey(parent, group, enter, update, exit, data, key) { + var i, + node, + nodeByKeyValue = {}, + groupLength = group.length, + dataLength = data.length, + keyValues = new Array(groupLength), + keyValue; - function nap() { - var t0, t1 = taskHead, t2, time = Infinity; - while (t1) { - if (t1._call) { - if (time > t1._time) time = t1._time; - t0 = t1, t1 = t1._next; + // Compute the key for each node. + // If multiple nodes have the same key, the duplicates are added to exit. + for (i = 0; i < groupLength; ++i) { + if (node = group[i]) { + keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group); + if (keyValue in nodeByKeyValue) { + exit[i] = node; } else { - t2 = t1._next, t1._next = null; - t1 = t0 ? t0._next = t2 : taskHead = t2; + nodeByKeyValue[keyValue] = node; } } - taskTail = t0; - sleep(time); } - function sleep(time) { - if (frame) return; // Soonest alarm already set, or will be. - if (timeout) timeout = clearTimeout(timeout); - var delay = time - clockNow; - if (delay > 24) { - if (time < Infinity) timeout = setTimeout(wake, delay); - if (interval) interval = clearInterval(interval); + // Compute the key for each datum. + // If there a node associated with this key, join and add it to update. + // If there is not (or the key is a duplicate), add it to enter. + for (i = 0; i < dataLength; ++i) { + keyValue = keyPrefix + key.call(parent, data[i], i, data); + if (node = nodeByKeyValue[keyValue]) { + update[i] = node; + node.__data__ = data[i]; + nodeByKeyValue[keyValue] = null; } else { - if (!interval) interval = setInterval(poke$1, pokeDelay); - frame = 1, setFrame(wake); + enter[i] = new EnterNode(parent, data[i]); } } - function timeout$1(callback, delay, time) { - var t = new Timer; - delay = delay == null ? 0 : +delay; - t.restart(function(elapsed) { - t.stop(); - callback(elapsed + delay); - }, delay, time); - return t; + // Add any remaining nodes that were not bound to data to exit. + for (i = 0; i < groupLength; ++i) { + if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) { + exit[i] = node; + } } +} - function interval$1(callback, delay, time) { - var t = new Timer, total = delay; - if (delay == null) return t.restart(callback, delay, time), t; - delay = +delay, time = time == null ? now() : +time; - t.restart(function tick(elapsed) { - elapsed += total; - t.restart(tick, total += delay, time); - callback(elapsed); - }, delay, time); - return t; +var selection_data = function(value, key) { + if (!value) { + data = new Array(this.size()), j = -1; + this.each(function(d) { data[++j] = d; }); + return data; } -var t0$1 = new Date; -var t1$1 = new Date; - function newInterval(floori, offseti, count, field) { - - function interval(date) { - return floori(date = new Date(+date)), date; - } + var bind = key ? bindKey : bindIndex, + parents = this._parents, + groups = this._groups; - interval.floor = interval; + if (typeof value !== "function") value = constant$5(value); - interval.ceil = function(date) { - return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; - }; + for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) { + var parent = parents[j], + group = groups[j], + groupLength = group.length, + data = value.call(parent, parent && parent.__data__, j, parents), + dataLength = data.length, + enterGroup = enter[j] = new Array(dataLength), + updateGroup = update[j] = new Array(dataLength), + exitGroup = exit[j] = new Array(groupLength); - interval.round = function(date) { - var d0 = interval(date), - d1 = interval.ceil(date); - return date - d0 < d1 - date ? d0 : d1; - }; + bind(parent, group, enterGroup, updateGroup, exitGroup, data, key); - interval.offset = function(date, step) { - return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; - }; + // Now connect the enter nodes to their following update node, such that + // appendChild can insert the materialized enter node before this node, + // rather than at the end of the parent node. + for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) { + if (previous = enterGroup[i0]) { + if (i0 >= i1) i1 = i0 + 1; + while (!(next = updateGroup[i1]) && ++i1 < dataLength); + previous._next = next || null; + } + } + } - interval.range = function(start, stop, step) { - var range = []; - start = interval.ceil(start); - step = step == null ? 1 : Math.floor(step); - if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date - do range.push(new Date(+start)); while (offseti(start, step), floori(start), start < stop) - return range; - }; + update = new Selection(update, parents); + update._enter = enter; + update._exit = exit; + return update; +} - interval.filter = function(test) { - return newInterval(function(date) { - while (floori(date), !test(date)) date.setTime(date - 1); - }, function(date, step) { - while (--step >= 0) while (offseti(date, 1), !test(date)); - }); - }; +var selection_exit = function() { + return new Selection(this._exit || this._groups.map(sparse), this._parents); +} - if (count) { - interval.count = function(start, end) { - t0$1.setTime(+start), t1$1.setTime(+end); - floori(t0$1), floori(t1$1); - return Math.floor(count(t0$1, t1$1)); - }; +var selection_merge = function(selection) { - interval.every = function(step) { - step = Math.floor(step); - return !isFinite(step) || !(step > 0) ? null - : !(step > 1) ? interval - : interval.filter(field - ? function(d) { return field(d) % step === 0; } - : function(d) { return interval.count(0, d) % step === 0; }); - }; + for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group0[i] || group1[i]) { + merge[i] = node; + } } + } - return interval; + for (; j < m0; ++j) { + merges[j] = groups0[j]; } - var millisecond = newInterval(function() { - // noop - }, function(date, step) { - date.setTime(+date + step); - }, function(start, end) { - return end - start; - }); + return new Selection(merges, this._parents); +} - // An optimized implementation for this simple case. - millisecond.every = function(k) { - k = Math.floor(k); - if (!isFinite(k) || !(k > 0)) return null; - if (!(k > 1)) return millisecond; - return newInterval(function(date) { - date.setTime(Math.floor(date / k) * k); - }, function(date, step) { - date.setTime(+date + step * k); - }, function(start, end) { - return (end - start) / k; - }); - }; +var selection_order = function() { - var milliseconds = millisecond.range; + for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { + for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) { + if (node = group[i]) { + if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); + next = node; + } + } + } - var durationSecond = 1e3; - var durationMinute = 6e4; - var durationHour = 36e5; - var durationDay = 864e5; - var durationWeek = 6048e5; + return this; +} - var second = newInterval(function(date) { - date.setTime(Math.floor(date / durationSecond) * durationSecond); - }, function(date, step) { - date.setTime(+date + step * durationSecond); - }, function(start, end) { - return (end - start) / durationSecond; - }, function(date) { - return date.getUTCSeconds(); - }); +var selection_sort = function(compare) { + if (!compare) compare = ascending$2; - var seconds = second.range; + function compareNode(a, b) { + return a && b ? compare(a.__data__, b.__data__) : !a - !b; + } - var minute = newInterval(function(date) { - date.setTime(Math.floor(date / durationMinute) * durationMinute); - }, function(date, step) { - date.setTime(+date + step * durationMinute); - }, function(start, end) { - return (end - start) / durationMinute; - }, function(date) { - return date.getMinutes(); - }); + for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group[i]) { + sortgroup[i] = node; + } + } + sortgroup.sort(compareNode); + } - var minutes = minute.range; + return new Selection(sortgroups, this._parents).order(); +} - var hour = newInterval(function(date) { - var offset = date.getTimezoneOffset() * durationMinute % durationHour; - if (offset < 0) offset += durationHour; - date.setTime(Math.floor((+date - offset) / durationHour) * durationHour + offset); - }, function(date, step) { - date.setTime(+date + step * durationHour); - }, function(start, end) { - return (end - start) / durationHour; - }, function(date) { - return date.getHours(); - }); +function ascending$2(a, b) { + return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; +} - var hours = hour.range; +var selection_call = function() { + var callback = arguments[0]; + arguments[0] = this; + callback.apply(null, arguments); + return this; +} - var day = newInterval(function(date) { - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setDate(date.getDate() + step); - }, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay; - }, function(date) { - return date.getDate() - 1; - }); +var selection_nodes = function() { + var nodes = new Array(this.size()), i = -1; + this.each(function() { nodes[++i] = this; }); + return nodes; +} - var days = day.range; +var selection_node = function() { - function weekday(i) { - return newInterval(function(date) { - date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setDate(date.getDate() + step * 7); - }, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; - }); + for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { + for (var group = groups[j], i = 0, n = group.length; i < n; ++i) { + var node = group[i]; + if (node) return node; + } } - var timeWeek = weekday(0); - var timeMonday = weekday(1); - var tuesday = weekday(2); - var wednesday = weekday(3); - var thursday = weekday(4); - var friday = weekday(5); - var saturday = weekday(6); - - var sundays = timeWeek.range; - var mondays = timeMonday.range; - var tuesdays = tuesday.range; - var wednesdays = wednesday.range; - var thursdays = thursday.range; - var fridays = friday.range; - var saturdays = saturday.range; - - var month = newInterval(function(date) { - date.setDate(1); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setMonth(date.getMonth() + step); - }, function(start, end) { - return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; - }, function(date) { - return date.getMonth(); - }); + return null; +} - var months = month.range; +var selection_size = function() { + var size = 0; + this.each(function() { ++size; }); + return size; +} - var year = newInterval(function(date) { - date.setMonth(0, 1); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setFullYear(date.getFullYear() + step); - }, function(start, end) { - return end.getFullYear() - start.getFullYear(); - }, function(date) { - return date.getFullYear(); - }); +var selection_empty = function() { + return !this.node(); +} - // An optimized implementation for this simple case. - year.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { - date.setFullYear(Math.floor(date.getFullYear() / k) * k); - date.setMonth(0, 1); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setFullYear(date.getFullYear() + step * k); - }); - }; +var selection_each = function(callback) { - var years = year.range; + for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { + for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { + if (node = group[i]) callback.call(node, node.__data__, i, group); + } + } - var utcMinute = newInterval(function(date) { - date.setUTCSeconds(0, 0); - }, function(date, step) { - date.setTime(+date + step * durationMinute); - }, function(start, end) { - return (end - start) / durationMinute; - }, function(date) { - return date.getUTCMinutes(); - }); + return this; +} - var utcMinutes = utcMinute.range; +function attrRemove(name) { + return function() { + this.removeAttribute(name); + }; +} - var utcHour = newInterval(function(date) { - date.setUTCMinutes(0, 0, 0); - }, function(date, step) { - date.setTime(+date + step * durationHour); - }, function(start, end) { - return (end - start) / durationHour; - }, function(date) { - return date.getUTCHours(); - }); +function attrRemoveNS(fullname) { + return function() { + this.removeAttributeNS(fullname.space, fullname.local); + }; +} - var utcHours = utcHour.range; +function attrConstant(name, value) { + return function() { + this.setAttribute(name, value); + }; +} - var utcDay = newInterval(function(date) { - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCDate(date.getUTCDate() + step); - }, function(start, end) { - return (end - start) / durationDay; - }, function(date) { - return date.getUTCDate() - 1; - }); +function attrConstantNS(fullname, value) { + return function() { + this.setAttributeNS(fullname.space, fullname.local, value); + }; +} - var utcDays = utcDay.range; +function attrFunction(name, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.removeAttribute(name); + else this.setAttribute(name, v); + }; +} - function utcWeekday(i) { - return newInterval(function(date) { - date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCDate(date.getUTCDate() + step * 7); - }, function(start, end) { - return (end - start) / durationWeek; - }); - } +function attrFunctionNS(fullname, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.removeAttributeNS(fullname.space, fullname.local); + else this.setAttributeNS(fullname.space, fullname.local, v); + }; +} - var utcWeek = utcWeekday(0); - var utcMonday = utcWeekday(1); - var utcTuesday = utcWeekday(2); - var utcWednesday = utcWeekday(3); - var utcThursday = utcWeekday(4); - var utcFriday = utcWeekday(5); - var utcSaturday = utcWeekday(6); - - var utcSundays = utcWeek.range; - var utcMondays = utcMonday.range; - var utcTuesdays = utcTuesday.range; - var utcWednesdays = utcWednesday.range; - var utcThursdays = utcThursday.range; - var utcFridays = utcFriday.range; - var utcSaturdays = utcSaturday.range; - - var utcMonth = newInterval(function(date) { - date.setUTCDate(1); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCMonth(date.getUTCMonth() + step); - }, function(start, end) { - return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; - }, function(date) { - return date.getUTCMonth(); - }); +var selection_attr = function(name, value) { + var fullname = namespace(name); - var utcMonths = utcMonth.range; + if (arguments.length < 2) { + var node = this.node(); + return fullname.local + ? node.getAttributeNS(fullname.space, fullname.local) + : node.getAttribute(fullname); + } - var utcYear = newInterval(function(date) { - date.setUTCMonth(0, 1); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCFullYear(date.getUTCFullYear() + step); - }, function(start, end) { - return end.getUTCFullYear() - start.getUTCFullYear(); - }, function(date) { - return date.getUTCFullYear(); - }); + return this.each((value == null + ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" + ? (fullname.local ? attrFunctionNS : attrFunction) + : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); +} - // An optimized implementation for this simple case. - utcYear.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { - date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); - date.setUTCMonth(0, 1); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCFullYear(date.getUTCFullYear() + step * k); - }); - }; +var window = function(node) { + return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node + || (node.document && node) // node is a Window + || node.defaultView; // node is a Document +} - var utcYears = utcYear.range; +function styleRemove(name) { + return function() { + this.style.removeProperty(name); + }; +} - // Computes the decimal coefficient and exponent of the specified number x with - // significant digits p, where x is positive and p is in [1, 21] or undefined. - // For example, formatDecimal(1.23) returns ["123", 0]. - function formatDecimal(x, p) { - if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity - var i, coefficient = x.slice(0, i); +function styleConstant(name, value, priority) { + return function() { + this.style.setProperty(name, value, priority); + }; +} - // The string returned by toExponential either has the form \d\.\d+e[-+]\d+ - // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3). - return [ - coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, - +x.slice(i + 1) - ]; - } +function styleFunction(name, value, priority) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.style.removeProperty(name); + else this.style.setProperty(name, v, priority); + }; +} + +var selection_style = function(name, value, priority) { + var node; + return arguments.length > 1 + ? this.each((value == null + ? styleRemove : typeof value === "function" + ? styleFunction + : styleConstant)(name, value, priority == null ? "" : priority)) + : window(node = this.node()) + .getComputedStyle(node, null) + .getPropertyValue(name); +} + +function propertyRemove(name) { + return function() { + delete this[name]; + }; +} - function exponent$1(x) { - return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; - } +function propertyConstant(name, value) { + return function() { + this[name] = value; + }; +} - function formatGroup(grouping, thousands) { - return function(value, width) { - var i = value.length, - t = [], - j = 0, - g = grouping[0], - length = 0; +function propertyFunction(name, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) delete this[name]; + else this[name] = v; + }; +} + +var selection_property = function(name, value) { + return arguments.length > 1 + ? this.each((value == null + ? propertyRemove : typeof value === "function" + ? propertyFunction + : propertyConstant)(name, value)) + : this.node()[name]; +} + +function classArray(string) { + return string.trim().split(/^|\s+/); +} + +function classList(node) { + return node.classList || new ClassList(node); +} + +function ClassList(node) { + this._node = node; + this._names = classArray(node.getAttribute("class") || ""); +} + +ClassList.prototype = { + add: function(name) { + var i = this._names.indexOf(name); + if (i < 0) { + this._names.push(name); + this._node.setAttribute("class", this._names.join(" ")); + } + }, + remove: function(name) { + var i = this._names.indexOf(name); + if (i >= 0) { + this._names.splice(i, 1); + this._node.setAttribute("class", this._names.join(" ")); + } + }, + contains: function(name) { + return this._names.indexOf(name) >= 0; + } +}; + +function classedAdd(node, names) { + var list = classList(node), i = -1, n = names.length; + while (++i < n) list.add(names[i]); +} + +function classedRemove(node, names) { + var list = classList(node), i = -1, n = names.length; + while (++i < n) list.remove(names[i]); +} + +function classedTrue(names) { + return function() { + classedAdd(this, names); + }; +} - while (i > 0 && g > 0) { - if (length + g + 1 > width) g = Math.max(1, width - length); - t.push(value.substring(i -= g, i + g)); - if ((length += g + 1) > width) break; - g = grouping[j = (j + 1) % grouping.length]; - } +function classedFalse(names) { + return function() { + classedRemove(this, names); + }; +} - return t.reverse().join(thousands); - }; - } +function classedFunction(names, value) { + return function() { + (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names); + }; +} - function formatDefault(x, p) { - x = x.toPrecision(p); - - out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) { - switch (x[i]) { - case ".": i0 = i1 = i; break; - case "0": if (i0 === 0) i0 = i; i1 = i; break; - case "e": break out; - default: if (i0 > 0) i0 = 0; break; - } - } +var selection_classed = function(name, value) { + var names = classArray(name + ""); - return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x; + if (arguments.length < 2) { + var list = classList(this.node()), i = -1, n = names.length; + while (++i < n) if (!list.contains(names[i])) return false; + return true; } - var prefixExponent; - - function formatPrefixAuto(x, p) { - var d = formatDecimal(x, p); - if (!d) return x + ""; - var coefficient = d[0], - exponent = d[1], - i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, - n = coefficient.length; - return i === n ? coefficient - : i > n ? coefficient + new Array(i - n + 1).join("0") - : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) - : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y! - } + return this.each((typeof value === "function" + ? classedFunction : value + ? classedTrue + : classedFalse)(names, value)); +} - function formatRounded(x, p) { - var d = formatDecimal(x, p); - if (!d) return x + ""; - var coefficient = d[0], - exponent = d[1]; - return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient - : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) - : coefficient + new Array(exponent - coefficient.length + 2).join("0"); - } +function textRemove() { + this.textContent = ""; +} - var formatTypes = { - "": formatDefault, - "%": function(x, p) { return (x * 100).toFixed(p); }, - "b": function(x) { return Math.round(x).toString(2); }, - "c": function(x) { return x + ""; }, - "d": function(x) { return Math.round(x).toString(10); }, - "e": function(x, p) { return x.toExponential(p); }, - "f": function(x, p) { return x.toFixed(p); }, - "g": function(x, p) { return x.toPrecision(p); }, - "o": function(x) { return Math.round(x).toString(8); }, - "p": function(x, p) { return formatRounded(x * 100, p); }, - "r": formatRounded, - "s": formatPrefixAuto, - "X": function(x) { return Math.round(x).toString(16).toUpperCase(); }, - "x": function(x) { return Math.round(x).toString(16); } +function textConstant(value) { + return function() { + this.textContent = value; }; +} - // [[fill]align][sign][symbol][0][width][,][.precision][type] - var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i; +function textFunction(value) { + return function() { + var v = value.apply(this, arguments); + this.textContent = v == null ? "" : v; + }; +} + +var selection_text = function(value) { + return arguments.length + ? this.each(value == null + ? textRemove : (typeof value === "function" + ? textFunction + : textConstant)(value)) + : this.node().textContent; +} + +function htmlRemove() { + this.innerHTML = ""; +} + +function htmlConstant(value) { + return function() { + this.innerHTML = value; + }; +} - function formatSpecifier(specifier) { - return new FormatSpecifier(specifier); - } +function htmlFunction(value) { + return function() { + var v = value.apply(this, arguments); + this.innerHTML = v == null ? "" : v; + }; +} + +var selection_html = function(value) { + return arguments.length + ? this.each(value == null + ? htmlRemove : (typeof value === "function" + ? htmlFunction + : htmlConstant)(value)) + : this.node().innerHTML; +} + +function raise$1() { + if (this.nextSibling) this.parentNode.appendChild(this); +} + +var selection_raise = function() { + return this.each(raise$1); +} + +function lower() { + if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); +} + +var selection_lower = function() { + return this.each(lower); +} + +var selection_append = function(name) { + var create = typeof name === "function" ? name : creator(name); + return this.select(function() { + return this.appendChild(create.apply(this, arguments)); + }); +} - function FormatSpecifier(specifier) { - if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); +function constantNull() { + return null; +} - var match, - fill = match[1] || " ", - align = match[2] || ">", - sign = match[3] || "-", - symbol = match[4] || "", - zero = !!match[5], - width = match[6] && +match[6], - comma = !!match[7], - precision = match[8] && +match[8].slice(1), - type = match[9] || ""; +var selection_insert = function(name, before) { + var create = typeof name === "function" ? name : creator(name), + select = before == null ? constantNull : typeof before === "function" ? before : selector(before); + return this.select(function() { + return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); + }); +} - // The "n" type is an alias for ",g". - if (type === "n") comma = true, type = "g"; +function remove() { + var parent = this.parentNode; + if (parent) parent.removeChild(this); +} - // Map invalid types to the default format. - else if (!formatTypes[type]) type = ""; +var selection_remove = function() { + return this.each(remove); +} - // If zero fill is specified, padding goes after sign and before digits. - if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; +var selection_datum = function(value) { + return arguments.length + ? this.property("__data__", value) + : this.node().__data__; +} - this.fill = fill; - this.align = align; - this.sign = sign; - this.symbol = symbol; - this.zero = zero; - this.width = width; - this.comma = comma; - this.precision = precision; - this.type = type; - } +function dispatchEvent(node, type, params) { + var window$$1 = window(node), + event = window$$1.CustomEvent; - FormatSpecifier.prototype.toString = function() { - return this.fill - + this.align - + this.sign - + this.symbol - + (this.zero ? "0" : "") - + (this.width == null ? "" : Math.max(1, this.width | 0)) - + (this.comma ? "," : "") - + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0)) - + this.type; - }; - - var prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; - - function identity$3(x) { - return x; + if (event) { + event = new event(type, params); + } else { + event = window$$1.document.createEvent("Event"); + if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; + else event.initEvent(type, false, false); } - function formatLocale(locale) { - var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, - currency = locale.currency, - decimal = locale.decimal; - - function newFormat(specifier) { - specifier = formatSpecifier(specifier); - - var fill = specifier.fill, - align = specifier.align, - sign = specifier.sign, - symbol = specifier.symbol, - zero = specifier.zero, - width = specifier.width, - comma = specifier.comma, - precision = specifier.precision, - type = specifier.type; - - // Compute the prefix and suffix. - // For SI-prefix, the suffix is lazily computed. - var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", - suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? "%" : ""; - - // What format function should we use? - // Is this an integer type? - // Can this type generate exponential notation? - var formatType = formatTypes[type], - maybeSuffix = !type || /[defgprs%]/.test(type); - - // Set the default precision if not specified, - // or clamp the specified precision to the supported range. - // For significant precision, it must be in [1, 21]. - // For fixed precision, it must be in [0, 20]. - precision = precision == null ? (type ? 6 : 12) - : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) - : Math.max(0, Math.min(20, precision)); - - function format(value) { - var valuePrefix = prefix, - valueSuffix = suffix, - i, n, c; - - if (type === "c") { - valueSuffix = formatType(value) + valueSuffix; - value = ""; - } else { - value = +value; - - // Convert negative to positive, and compute the prefix. - // Note that -0 is not less than 0, but 1 / -0 is! - var valueNegative = (value < 0 || 1 / value < 0) && (value *= -1, true); - - // Perform the initial formatting. - value = formatType(value, precision); - - // If the original value was negative, it may be rounded to zero during - // formatting; treat this as (positive) zero. - if (valueNegative) { - i = -1, n = value.length; - valueNegative = false; - while (++i < n) { - if (c = value.charCodeAt(i), (48 < c && c < 58) - || (type === "x" && 96 < c && c < 103) - || (type === "X" && 64 < c && c < 71)) { - valueNegative = true; - break; - } - } - } + node.dispatchEvent(event); +} - // Compute the prefix and suffix. - valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; - valueSuffix = valueSuffix + (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + (valueNegative && sign === "(" ? ")" : ""); - - // Break the formatted value into the integer “value” part that can be - // grouped, and fractional or exponential “suffix” part that is not. - if (maybeSuffix) { - i = -1, n = value.length; - while (++i < n) { - if (c = value.charCodeAt(i), 48 > c || c > 57) { - valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix; - value = value.slice(0, i); - break; - } - } - } - } +function dispatchConstant(type, params) { + return function() { + return dispatchEvent(this, type, params); + }; +} - // If the fill character is not "0", grouping is applied before padding. - if (comma && !zero) value = group(value, Infinity); +function dispatchFunction(type, params) { + return function() { + return dispatchEvent(this, type, params.apply(this, arguments)); + }; +} + +var selection_dispatch = function(type, params) { + return this.each((typeof params === "function" + ? dispatchFunction + : dispatchConstant)(type, params)); +} + +var root = [null]; + +function Selection(groups, parents) { + this._groups = groups; + this._parents = parents; +} + +function selection() { + return new Selection([[document.documentElement]], root); +} + +Selection.prototype = selection.prototype = { + constructor: Selection, + select: selection_select, + selectAll: selection_selectAll, + filter: selection_filter, + data: selection_data, + enter: selection_enter, + exit: selection_exit, + merge: selection_merge, + order: selection_order, + sort: selection_sort, + call: selection_call, + nodes: selection_nodes, + node: selection_node, + size: selection_size, + empty: selection_empty, + each: selection_each, + attr: selection_attr, + style: selection_style, + property: selection_property, + classed: selection_classed, + text: selection_text, + html: selection_html, + raise: selection_raise, + lower: selection_lower, + append: selection_append, + insert: selection_insert, + remove: selection_remove, + datum: selection_datum, + on: selection_on, + dispatch: selection_dispatch +}; + +var select = function(selector) { + return typeof selector === "string" + ? new Selection([[document.querySelector(selector)]], [document.documentElement]) + : new Selection([[selector]], root); +} + +var selectAll = function(selector) { + return typeof selector === "string" + ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) + : new Selection([selector == null ? [] : selector], root); +} + +var touch = function(node, touches, identifier) { + if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; + + for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) { + if ((touch = touches[i]).identifier === identifier) { + return point$5(node, touch); + } + } + + return null; +} + +var touches = function(node, touches) { + if (touches == null) touches = sourceEvent().touches; + + for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) { + points[i] = point$5(node, touches[i]); + } + + return points; +} + +var emptyOn = dispatch("start", "end", "interrupt"); +var emptyTween = []; + +var CREATED = 0; +var SCHEDULED = 1; +var STARTING = 2; +var STARTED = 3; +var RUNNING = 4; +var ENDING = 5; +var ENDED = 6; + +var schedule = function(node, name, id, index, group, timing) { + var schedules = node.__transition; + if (!schedules) node.__transition = {}; + else if (id in schedules) return; + create(node, id, { + name: name, + index: index, // For context during callback. + group: group, // For context during callback. + on: emptyOn, + tween: emptyTween, + time: timing.time, + delay: timing.delay, + duration: timing.duration, + ease: timing.ease, + timer: null, + state: CREATED + }); +} - // Compute the padding. - var length = valuePrefix.length + value.length + valueSuffix.length, - padding = length < width ? new Array(width - length + 1).join(fill) : ""; +function init(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id]) || schedule.state > CREATED) throw new Error("too late"); + return schedule; +} - // If the fill character is "0", grouping is applied after padding. - if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; +function set$3(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id]) || schedule.state > STARTING) throw new Error("too late"); + return schedule; +} - // Reconstruct the final output based on the desired alignment. - switch (align) { - case "<": return valuePrefix + value + valueSuffix + padding; - case "=": return valuePrefix + padding + value + valueSuffix; - case "^": return padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); - } - return padding + valuePrefix + value + valueSuffix; - } +function get$1(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id])) throw new Error("too late"); + return schedule; +} - format.toString = function() { - return specifier + ""; - }; +function create(node, id, self) { + var schedules = node.__transition, + tween; - return format; - } + // Initialize the self timer when the transition is created. + // Note the actual delay is not known until the first callback! + schedules[id] = self; + self.timer = timer(schedule, 0, self.time); - function formatPrefix(specifier, value) { - var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), - e = Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3, - k = Math.pow(10, -e), - prefix = prefixes[8 + e / 3]; - return function(value) { - return f(k * value) + prefix; - }; - } + function schedule(elapsed) { + self.state = SCHEDULED; + self.timer.restart(start, self.delay, self.time); - return { - format: newFormat, - formatPrefix: formatPrefix - }; + // If the elapsed delay is less than our first sleep, start immediately. + if (self.delay <= elapsed) start(elapsed - self.delay); } - var locale; - defaultLocale({ - decimal: ".", - thousands: ",", - grouping: [3], - currency: ["$", ""] - }); + function start(elapsed) { + var i, j, n, o; - function defaultLocale(definition) { - locale = formatLocale(definition); - exports.format = locale.format; - exports.formatPrefix = locale.formatPrefix; - return locale; - } - - function precisionFixed(step) { - return Math.max(0, -exponent$1(Math.abs(step))); - } - - function precisionPrefix(step, value) { - return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step))); - } - - function precisionRound(step, max) { - step = Math.abs(step), max = Math.abs(max) - step; - return Math.max(0, exponent$1(max) - exponent$1(step)) + 1; - } - - function localDate(d) { - if (0 <= d.y && d.y < 100) { - var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); - date.setFullYear(d.y); - return date; - } - return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L); - } - - function utcDate(d) { - if (0 <= d.y && d.y < 100) { - var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L)); - date.setUTCFullYear(d.y); - return date; - } - return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); - } - - function newYear(y) { - return {y: y, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0}; - } - - function formatLocale$1(locale) { - var locale_dateTime = locale.dateTime, - locale_date = locale.date, - locale_time = locale.time, - locale_periods = locale.periods, - locale_weekdays = locale.days, - locale_shortWeekdays = locale.shortDays, - locale_months = locale.months, - locale_shortMonths = locale.shortMonths; - - var periodRe = formatRe(locale_periods), - periodLookup = formatLookup(locale_periods), - weekdayRe = formatRe(locale_weekdays), - weekdayLookup = formatLookup(locale_weekdays), - shortWeekdayRe = formatRe(locale_shortWeekdays), - shortWeekdayLookup = formatLookup(locale_shortWeekdays), - monthRe = formatRe(locale_months), - monthLookup = formatLookup(locale_months), - shortMonthRe = formatRe(locale_shortMonths), - shortMonthLookup = formatLookup(locale_shortMonths); - - var formats = { - "a": formatShortWeekday, - "A": formatWeekday, - "b": formatShortMonth, - "B": formatMonth, - "c": null, - "d": formatDayOfMonth, - "e": formatDayOfMonth, - "H": formatHour24, - "I": formatHour12, - "j": formatDayOfYear, - "L": formatMilliseconds, - "m": formatMonthNumber, - "M": formatMinutes, - "p": formatPeriod, - "S": formatSeconds, - "U": formatWeekNumberSunday, - "w": formatWeekdayNumber, - "W": formatWeekNumberMonday, - "x": null, - "X": null, - "y": formatYear, - "Y": formatFullYear, - "Z": formatZone, - "%": formatLiteralPercent - }; + // If the state is not SCHEDULED, then we previously errored on start. + if (self.state !== SCHEDULED) return stop(); - var utcFormats = { - "a": formatUTCShortWeekday, - "A": formatUTCWeekday, - "b": formatUTCShortMonth, - "B": formatUTCMonth, - "c": null, - "d": formatUTCDayOfMonth, - "e": formatUTCDayOfMonth, - "H": formatUTCHour24, - "I": formatUTCHour12, - "j": formatUTCDayOfYear, - "L": formatUTCMilliseconds, - "m": formatUTCMonthNumber, - "M": formatUTCMinutes, - "p": formatUTCPeriod, - "S": formatUTCSeconds, - "U": formatUTCWeekNumberSunday, - "w": formatUTCWeekdayNumber, - "W": formatUTCWeekNumberMonday, - "x": null, - "X": null, - "y": formatUTCYear, - "Y": formatUTCFullYear, - "Z": formatUTCZone, - "%": formatLiteralPercent - }; + for (i in schedules) { + o = schedules[i]; + if (o.name !== self.name) continue; + + // While this element already has a starting transition during this frame, + // defer starting an interrupting transition until that transition has a + // chance to tick (and possibly end); see d3/d3-transition#54! + if (o.state === STARTED) return timeout$1(start); + + // Interrupt the active transition, if any. + // Dispatch the interrupt event. + if (o.state === RUNNING) { + o.state = ENDED; + o.timer.stop(); + o.on.call("interrupt", node, node.__data__, o.index, o.group); + delete schedules[i]; + } + + // Cancel any pre-empted transitions. No interrupt event is dispatched + // because the cancelled transitions never started. Note that this also + // removes this transition from the pending list! + else if (+i < id) { + o.state = ENDED; + o.timer.stop(); + delete schedules[i]; + } + } + + // Defer the first tick to end of the current frame; see d3/d3#1576. + // Note the transition may be canceled after start and before the first tick! + // Note this must be scheduled before the start event; see d3/d3-transition#16! + // Assuming this is successful, subsequent callbacks go straight to tick. + timeout$1(function() { + if (self.state === STARTED) { + self.state = RUNNING; + self.timer.restart(tick, self.delay, self.time); + tick(elapsed); + } + }); - var parses = { - "a": parseShortWeekday, - "A": parseWeekday, - "b": parseShortMonth, - "B": parseMonth, - "c": parseLocaleDateTime, - "d": parseDayOfMonth, - "e": parseDayOfMonth, - "H": parseHour24, - "I": parseHour24, - "j": parseDayOfYear, - "L": parseMilliseconds, - "m": parseMonthNumber, - "M": parseMinutes, - "p": parsePeriod, - "S": parseSeconds, - "U": parseWeekNumberSunday, - "w": parseWeekdayNumber, - "W": parseWeekNumberMonday, - "x": parseLocaleDate, - "X": parseLocaleTime, - "y": parseYear, - "Y": parseFullYear, - "Z": parseZone, - "%": parseLiteralPercent - }; + // Dispatch the start event. + // Note this must be done before the tween are initialized. + self.state = STARTING; + self.on.call("start", node, node.__data__, self.index, self.group); + if (self.state !== STARTING) return; // interrupted + self.state = STARTED; - // These recursive directive definitions must be deferred. - formats.x = newFormat(locale_date, formats); - formats.X = newFormat(locale_time, formats); - formats.c = newFormat(locale_dateTime, formats); - utcFormats.x = newFormat(locale_date, utcFormats); - utcFormats.X = newFormat(locale_time, utcFormats); - utcFormats.c = newFormat(locale_dateTime, utcFormats); - - function newFormat(specifier, formats) { - return function(date) { - var string = [], - i = -1, - j = 0, - n = specifier.length, - c, - pad, - format; - - if (!(date instanceof Date)) date = new Date(+date); - - while (++i < n) { - if (specifier.charCodeAt(i) === 37) { - string.push(specifier.slice(j, i)); - if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i); - else pad = c === "e" ? " " : "0"; - if (format = formats[c]) c = format(date, pad); - string.push(c); - j = i + 1; - } - } + // Initialize the tween, deleting null tween. + tween = new Array(n = self.tween.length); + for (i = 0, j = -1; i < n; ++i) { + if (o = self.tween[i].value.call(node, node.__data__, self.index, self.group)) { + tween[++j] = o; + } + } + tween.length = j + 1; + } - string.push(specifier.slice(j, i)); - return string.join(""); - }; + function tick(elapsed) { + var t = elapsed < self.duration ? self.ease.call(null, elapsed / self.duration) : (self.timer.restart(stop), self.state = ENDING, 1), + i = -1, + n = tween.length; + + while (++i < n) { + tween[i].call(null, t); } - function newParse(specifier, newDate) { - return function(string) { - var d = newYear(1900), - i = parseSpecifier(d, specifier, string += "", 0); - if (i != string.length) return null; + // Dispatch the end event. + if (self.state === ENDING) { + self.on.call("end", node, node.__data__, self.index, self.group); + stop(); + } + } - // The am-pm flag is 0 for AM, and 1 for PM. - if ("p" in d) d.H = d.H % 12 + d.p * 12; + function stop() { + self.state = ENDED; + self.timer.stop(); + delete schedules[id]; + for (var i in schedules) return; // eslint-disable-line no-unused-vars + delete node.__transition; + } +} - // Convert day-of-week and week-of-year to day-of-year. - if ("W" in d || "U" in d) { - if (!("w" in d)) d.w = "W" in d ? 1 : 0; - var day = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay(); - d.m = 0; - d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day + 5) % 7 : d.w + d.U * 7 - (day + 6) % 7; - } +var interrupt = function(node, name) { + var schedules = node.__transition, + schedule, + active, + empty = true, + i; - // If a time zone is specified, all fields are interpreted as UTC and then - // offset according to the specified time zone. - if ("Z" in d) { - d.H += d.Z / 100 | 0; - d.M += d.Z % 100; - return utcDate(d); - } + if (!schedules) return; - // Otherwise, all fields are in local time. - return newDate(d); - }; - } + name = name == null ? null : name + ""; - function parseSpecifier(d, specifier, string, j) { - var i = 0, - n = specifier.length, - m = string.length, - c, - parse; - - while (i < n) { - if (j >= m) return -1; - c = specifier.charCodeAt(i++); - if (c === 37) { - c = specifier.charAt(i++); - parse = parses[c in pads ? specifier.charAt(i++) : c]; - if (!parse || ((j = parse(d, string, j)) < 0)) return -1; - } else if (c != string.charCodeAt(j++)) { - return -1; + for (i in schedules) { + if ((schedule = schedules[i]).name !== name) { empty = false; continue; } + active = schedule.state === STARTED; + schedule.state = ENDED; + schedule.timer.stop(); + if (active) schedule.on.call("interrupt", node, node.__data__, schedule.index, schedule.group); + delete schedules[i]; + } + + if (empty) delete node.__transition; +} + +var selection_interrupt = function(name) { + return this.each(function() { + interrupt(this, name); + }); +} + +function tweenRemove(id, name) { + var tween0, tween1; + return function() { + var schedule = set$3(this, id), + tween = schedule.tween; + + // If this node shared tween with the previous node, + // just assign the updated shared tween and we’re done! + // Otherwise, copy-on-write. + if (tween !== tween0) { + tween1 = tween0 = tween; + for (var i = 0, n = tween1.length; i < n; ++i) { + if (tween1[i].name === name) { + tween1 = tween1.slice(); + tween1.splice(i, 1); + break; } } - - return j; } - function parsePeriod(d, string, i) { - var n = periodRe.exec(string.slice(i)); - return n ? (d.p = periodLookup[n[0].toLowerCase()], i + n[0].length) : -1; + schedule.tween = tween1; + }; +} + +function tweenFunction(id, name, value) { + var tween0, tween1; + if (typeof value !== "function") throw new Error; + return function() { + var schedule = set$3(this, id), + tween = schedule.tween; + + // If this node shared tween with the previous node, + // just assign the updated shared tween and we’re done! + // Otherwise, copy-on-write. + if (tween !== tween0) { + tween1 = (tween0 = tween).slice(); + for (var t = {name: name, value: value}, i = 0, n = tween1.length; i < n; ++i) { + if (tween1[i].name === name) { + tween1[i] = t; + break; + } + } + if (i === n) tween1.push(t); } - function parseShortWeekday(d, string, i) { - var n = shortWeekdayRe.exec(string.slice(i)); - return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + schedule.tween = tween1; + }; +} - function parseWeekday(d, string, i) { - var n = weekdayRe.exec(string.slice(i)); - return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } +var transition_tween = function(name, value) { + var id = this._id; - function parseShortMonth(d, string, i) { - var n = shortMonthRe.exec(string.slice(i)); - return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + name += ""; - function parseMonth(d, string, i) { - var n = monthRe.exec(string.slice(i)); - return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1; + if (arguments.length < 2) { + var tween = get$1(this.node(), id).tween; + for (var i = 0, n = tween.length, t; i < n; ++i) { + if ((t = tween[i]).name === name) { + return t.value; + } } + return null; + } - function parseLocaleDateTime(d, string, i) { - return parseSpecifier(d, locale_dateTime, string, i); - } + return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); +} - function parseLocaleDate(d, string, i) { - return parseSpecifier(d, locale_date, string, i); - } +function tweenValue(transition, name, value) { + var id = transition._id; - function parseLocaleTime(d, string, i) { - return parseSpecifier(d, locale_time, string, i); - } + transition.each(function() { + var schedule = set$3(this, id); + (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); + }); - function formatShortWeekday(d) { - return locale_shortWeekdays[d.getDay()]; - } + return function(node) { + return get$1(node, id).value[name]; + }; +} + +var interpolate$1 = function(a, b) { + var c; + return (typeof b === "number" ? interpolateNumber + : b instanceof color ? interpolateRgb + : (c = color(b)) ? (b = c, interpolateRgb) + : interpolateString)(a, b); +} + +function attrRemove$1(name) { + return function() { + this.removeAttribute(name); + }; +} - function formatWeekday(d) { - return locale_weekdays[d.getDay()]; - } +function attrRemoveNS$1(fullname) { + return function() { + this.removeAttributeNS(fullname.space, fullname.local); + }; +} + +function attrConstant$1(name, interpolate$$1, value1) { + var value00, + interpolate0; + return function() { + var value0 = this.getAttribute(name); + return value0 === value1 ? null + : value0 === value00 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value1); + }; +} + +function attrConstantNS$1(fullname, interpolate$$1, value1) { + var value00, + interpolate0; + return function() { + var value0 = this.getAttributeNS(fullname.space, fullname.local); + return value0 === value1 ? null + : value0 === value00 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value1); + }; +} + +function attrFunction$1(name, interpolate$$1, value) { + var value00, + value10, + interpolate0; + return function() { + var value0, value1 = value(this); + if (value1 == null) return void this.removeAttribute(name); + value0 = this.getAttribute(name); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + }; +} + +function attrFunctionNS$1(fullname, interpolate$$1, value) { + var value00, + value10, + interpolate0; + return function() { + var value0, value1 = value(this); + if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local); + value0 = this.getAttributeNS(fullname.space, fullname.local); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + }; +} + +var transition_attr = function(name, value) { + var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate$1; + return this.attrTween(name, typeof value === "function" + ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) + : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) + : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); +} + +function attrTweenNS(fullname, value) { + function tween() { + var node = this, i = value.apply(node, arguments); + return i && function(t) { + node.setAttributeNS(fullname.space, fullname.local, i(t)); + }; + } + tween._value = value; + return tween; +} + +function attrTween(name, value) { + function tween() { + var node = this, i = value.apply(node, arguments); + return i && function(t) { + node.setAttribute(name, i(t)); + }; + } + tween._value = value; + return tween; +} + +var transition_attrTween = function(name, value) { + var key = "attr." + name; + if (arguments.length < 2) return (key = this.tween(key)) && key._value; + if (value == null) return this.tween(key, null); + if (typeof value !== "function") throw new Error; + var fullname = namespace(name); + return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value)); +} + +function delayFunction(id, value) { + return function() { + init(this, id).delay = +value.apply(this, arguments); + }; +} - function formatShortMonth(d) { - return locale_shortMonths[d.getMonth()]; - } +function delayConstant(id, value) { + return value = +value, function() { + init(this, id).delay = value; + }; +} - function formatMonth(d) { - return locale_months[d.getMonth()]; - } +var transition_delay = function(value) { + var id = this._id; - function formatPeriod(d) { - return locale_periods[+(d.getHours() >= 12)]; - } + return arguments.length + ? this.each((typeof value === "function" + ? delayFunction + : delayConstant)(id, value)) + : get$1(this.node(), id).delay; +} - function formatUTCShortWeekday(d) { - return locale_shortWeekdays[d.getUTCDay()]; - } +function durationFunction(id, value) { + return function() { + set$3(this, id).duration = +value.apply(this, arguments); + }; +} - function formatUTCWeekday(d) { - return locale_weekdays[d.getUTCDay()]; - } +function durationConstant(id, value) { + return value = +value, function() { + set$3(this, id).duration = value; + }; +} + +var transition_duration = function(value) { + var id = this._id; + + return arguments.length + ? this.each((typeof value === "function" + ? durationFunction + : durationConstant)(id, value)) + : get$1(this.node(), id).duration; +} + +function easeConstant(id, value) { + if (typeof value !== "function") throw new Error; + return function() { + set$3(this, id).ease = value; + }; +} - function formatUTCShortMonth(d) { - return locale_shortMonths[d.getUTCMonth()]; - } +var transition_ease = function(value) { + var id = this._id; - function formatUTCMonth(d) { - return locale_months[d.getUTCMonth()]; - } + return arguments.length + ? this.each(easeConstant(id, value)) + : get$1(this.node(), id).ease; +} - function formatUTCPeriod(d) { - return locale_periods[+(d.getUTCHours() >= 12)]; - } +var transition_filter = function(match) { + if (typeof match !== "function") match = matcher$1(match); - return { - format: function(specifier) { - var f = newFormat(specifier += "", formats); - f.toString = function() { return specifier; }; - return f; - }, - parse: function(specifier) { - var p = newParse(specifier += "", localDate); - p.toString = function() { return specifier; }; - return p; - }, - utcFormat: function(specifier) { - var f = newFormat(specifier += "", utcFormats); - f.toString = function() { return specifier; }; - return f; - }, - utcParse: function(specifier) { - var p = newParse(specifier, utcDate); - p.toString = function() { return specifier; }; - return p; + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { + if ((node = group[i]) && match.call(node, node.__data__, i, group)) { + subgroup.push(node); } - }; - } - - var pads = {"-": "", "_": " ", "0": "0"}; - var numberRe = /^\s*\d+/; - var percentRe = /^%/; - var requoteRe = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; - function pad(value, fill, width) { - var sign = value < 0 ? "-" : "", - string = (sign ? -value : value) + "", - length = string.length; - return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); + } } - function requote(s) { - return s.replace(requoteRe, "\\$&"); - } + return new Transition(subgroups, this._parents, this._name, this._id); +} - function formatRe(names) { - return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i"); - } +var transition_merge = function(transition) { + if (transition._id !== this._id) throw new Error; - function formatLookup(names) { - var map = {}, i = -1, n = names.length; - while (++i < n) map[names[i].toLowerCase()] = i; - return map; + for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group0[i] || group1[i]) { + merge[i] = node; + } + } } - function parseWeekdayNumber(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 1)); - return n ? (d.w = +n[0], i + n[0].length) : -1; + for (; j < m0; ++j) { + merges[j] = groups0[j]; } - function parseWeekNumberSunday(d, string, i) { - var n = numberRe.exec(string.slice(i)); - return n ? (d.U = +n[0], i + n[0].length) : -1; - } + return new Transition(merges, this._parents, this._name, this._id); +} - function parseWeekNumberMonday(d, string, i) { - var n = numberRe.exec(string.slice(i)); - return n ? (d.W = +n[0], i + n[0].length) : -1; - } +function start$1(name) { + return (name + "").trim().split(/^|\s+/).every(function(t) { + var i = t.indexOf("."); + if (i >= 0) t = t.slice(0, i); + return !t || t === "start"; + }); +} - function parseFullYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 4)); - return n ? (d.y = +n[0], i + n[0].length) : -1; - } +function onFunction(id, name, listener) { + var on0, on1, sit = start$1(name) ? init : set$3; + return function() { + var schedule = sit(this, id), + on = schedule.on; - function parseYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1; - } + // If this node shared a dispatch with the previous node, + // just assign the updated shared dispatch and we’re done! + // Otherwise, copy-on-write. + if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener); - function parseZone(d, string, i) { - var n = /^(Z)|([+-]\d\d)(?:\:?(\d\d))?/.exec(string.slice(i, i + 6)); - return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; - } + schedule.on = on1; + }; +} - function parseMonthNumber(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.m = n[0] - 1, i + n[0].length) : -1; - } +var transition_on = function(name, listener) { + var id = this._id; - function parseDayOfMonth(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.d = +n[0], i + n[0].length) : -1; - } + return arguments.length < 2 + ? get$1(this.node(), id).on.on(name) + : this.each(onFunction(id, name, listener)); +} - function parseDayOfYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 3)); - return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1; - } +function removeFunction(id) { + return function() { + var parent = this.parentNode; + for (var i in this.__transition) if (+i !== id) return; + if (parent) parent.removeChild(this); + }; +} - function parseHour24(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.H = +n[0], i + n[0].length) : -1; - } +var transition_remove = function() { + return this.on("end.remove", removeFunction(this._id)); +} - function parseMinutes(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.M = +n[0], i + n[0].length) : -1; - } +var transition_select = function(select$$1) { + var name = this._name, + id = this._id; - function parseSeconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.S = +n[0], i + n[0].length) : -1; - } + if (typeof select$$1 !== "function") select$$1 = selector(select$$1); - function parseMilliseconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 3)); - return n ? (d.L = +n[0], i + n[0].length) : -1; + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { + if ((node = group[i]) && (subnode = select$$1.call(node, node.__data__, i, group))) { + if ("__data__" in node) subnode.__data__ = node.__data__; + subgroup[i] = subnode; + schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); + } + } } - function parseLiteralPercent(d, string, i) { - var n = percentRe.exec(string.slice(i, i + 1)); - return n ? i + n[0].length : -1; - } + return new Transition(subgroups, this._parents, name, id); +} - function formatDayOfMonth(d, p) { - return pad(d.getDate(), p, 2); - } +var transition_selectAll = function(select$$1) { + var name = this._name, + id = this._id; - function formatHour24(d, p) { - return pad(d.getHours(), p, 2); - } + if (typeof select$$1 !== "function") select$$1 = selectorAll(select$$1); - function formatHour12(d, p) { - return pad(d.getHours() % 12 || 12, p, 2); + for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + for (var children = select$$1.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { + if (child = children[k]) { + schedule(child, name, id, k, children, inherit); + } + } + subgroups.push(children); + parents.push(node); + } + } } - function formatDayOfYear(d, p) { - return pad(1 + day.count(year(d), d), p, 3); - } + return new Transition(subgroups, parents, name, id); +} - function formatMilliseconds(d, p) { - return pad(d.getMilliseconds(), p, 3); - } +var Selection$1 = selection.prototype.constructor; - function formatMonthNumber(d, p) { - return pad(d.getMonth() + 1, p, 2); - } +var transition_selection = function() { + return new Selection$1(this._groups, this._parents); +} - function formatMinutes(d, p) { - return pad(d.getMinutes(), p, 2); - } +function styleRemove$1(name, interpolate$$1) { + var value00, + value10, + interpolate0; + return function() { + var style = window(this).getComputedStyle(this, null), + value0 = style.getPropertyValue(name), + value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + }; +} - function formatSeconds(d, p) { - return pad(d.getSeconds(), p, 2); - } +function styleRemoveEnd(name) { + return function() { + this.style.removeProperty(name); + }; +} + +function styleConstant$1(name, interpolate$$1, value1) { + var value00, + interpolate0; + return function() { + var value0 = window(this).getComputedStyle(this, null).getPropertyValue(name); + return value0 === value1 ? null + : value0 === value00 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value1); + }; +} + +function styleFunction$1(name, interpolate$$1, value) { + var value00, + value10, + interpolate0; + return function() { + var style = window(this).getComputedStyle(this, null), + value0 = style.getPropertyValue(name), + value1 = value(this); + if (value1 == null) value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + }; +} + +var transition_style = function(name, value, priority) { + var i = (name += "") === "transform" ? interpolateTransformCss : interpolate$1; + return value == null ? this + .styleTween(name, styleRemove$1(name, i)) + .on("end.style." + name, styleRemoveEnd(name)) + : this.styleTween(name, typeof value === "function" + ? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) + : styleConstant$1(name, i, value), priority); +} + +function styleTween(name, value, priority) { + function tween() { + var node = this, i = value.apply(node, arguments); + return i && function(t) { + node.style.setProperty(name, i(t), priority); + }; + } + tween._value = value; + return tween; +} + +var transition_styleTween = function(name, value, priority) { + var key = "style." + (name += ""); + if (arguments.length < 2) return (key = this.tween(key)) && key._value; + if (value == null) return this.tween(key, null); + if (typeof value !== "function") throw new Error; + return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); +} + +function textConstant$1(value) { + return function() { + this.textContent = value; + }; +} - function formatWeekNumberSunday(d, p) { - return pad(timeWeek.count(year(d), d), p, 2); - } +function textFunction$1(value) { + return function() { + var value1 = value(this); + this.textContent = value1 == null ? "" : value1; + }; +} - function formatWeekdayNumber(d) { - return d.getDay(); - } +var transition_text = function(value) { + return this.tween("text", typeof value === "function" + ? textFunction$1(tweenValue(this, "text", value)) + : textConstant$1(value == null ? "" : value + "")); +} - function formatWeekNumberMonday(d, p) { - return pad(timeMonday.count(year(d), d), p, 2); - } +var transition_transition = function() { + var name = this._name, + id0 = this._id, + id1 = newId(); - function formatYear(d, p) { - return pad(d.getFullYear() % 100, p, 2); + for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + var inherit = get$1(node, id0); + schedule(node, name, id1, i, group, { + time: inherit.time + inherit.delay + inherit.duration, + delay: 0, + duration: inherit.duration, + ease: inherit.ease + }); + } + } } - function formatFullYear(d, p) { - return pad(d.getFullYear() % 10000, p, 4); + return new Transition(groups, this._parents, name, id1); +} + +var id = 0; + +function Transition(groups, parents, name, id) { + this._groups = groups; + this._parents = parents; + this._name = name; + this._id = id; +} + +function transition(name) { + return selection().transition(name); +} + +function newId() { + return ++id; +} + +var selection_prototype = selection.prototype; + +Transition.prototype = transition.prototype = { + constructor: Transition, + select: transition_select, + selectAll: transition_selectAll, + filter: transition_filter, + merge: transition_merge, + selection: transition_selection, + transition: transition_transition, + call: selection_prototype.call, + nodes: selection_prototype.nodes, + node: selection_prototype.node, + size: selection_prototype.size, + empty: selection_prototype.empty, + each: selection_prototype.each, + on: transition_on, + attr: transition_attr, + attrTween: transition_attrTween, + style: transition_style, + styleTween: transition_styleTween, + text: transition_text, + remove: transition_remove, + tween: transition_tween, + delay: transition_delay, + duration: transition_duration, + ease: transition_ease +}; + +var defaultTiming = { + time: null, // Set on use. + delay: 0, + duration: 250, + ease: cubicInOut +}; + +function inherit(node, id) { + var timing; + while (!(timing = node.__transition) || !(timing = timing[id])) { + if (!(node = node.parentNode)) { + return defaultTiming.time = now(), defaultTiming; + } + } + return timing; +} + +var selection_transition = function(name) { + var id, + timing; + + if (name instanceof Transition) { + id = name._id, name = name._name; + } else { + id = newId(), (timing = defaultTiming).time = now(), name = name == null ? null : name + ""; + } + + for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + schedule(node, name, id, i, group, timing || inherit(node, id)); + } + } } - function formatZone(d) { - var z = d.getTimezoneOffset(); - return (z > 0 ? "-" : (z *= -1, "+")) - + pad(z / 60 | 0, "0", 2) - + pad(z % 60, "0", 2); - } + return new Transition(groups, this._parents, name, id); +} - function formatUTCDayOfMonth(d, p) { - return pad(d.getUTCDate(), p, 2); - } +selection.prototype.interrupt = selection_interrupt; +selection.prototype.transition = selection_transition; - function formatUTCHour24(d, p) { - return pad(d.getUTCHours(), p, 2); - } +var root$1 = [null]; - function formatUTCHour12(d, p) { - return pad(d.getUTCHours() % 12 || 12, p, 2); - } +var active = function(node, name) { + var schedules = node.__transition, + schedule, + i; - function formatUTCDayOfYear(d, p) { - return pad(1 + utcDay.count(utcYear(d), d), p, 3); + if (schedules) { + name = name == null ? null : name + ""; + for (i in schedules) { + if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { + return new Transition([[node]], root$1, name, +i); + } + } } - function formatUTCMilliseconds(d, p) { - return pad(d.getUTCMilliseconds(), p, 3); - } + return null; +} - function formatUTCMonthNumber(d, p) { - return pad(d.getUTCMonth() + 1, p, 2); - } +var slice$4 = Array.prototype.slice; - function formatUTCMinutes(d, p) { - return pad(d.getUTCMinutes(), p, 2); - } +var identity$5 = function(x) { + return x; +} - function formatUTCSeconds(d, p) { - return pad(d.getUTCSeconds(), p, 2); - } +var top = 1; +var right = 2; +var bottom = 3; +var left = 4; +var epsilon$2 = 1e-6; - function formatUTCWeekNumberSunday(d, p) { - return pad(utcWeek.count(utcYear(d), d), p, 2); - } +function translateX(scale0, scale1, d) { + var x = scale0(d); + return "translate(" + (isFinite(x) ? x : scale1(d)) + ",0)"; +} - function formatUTCWeekdayNumber(d) { - return d.getUTCDay(); - } +function translateY(scale0, scale1, d) { + var y = scale0(d); + return "translate(0," + (isFinite(y) ? y : scale1(d)) + ")"; +} - function formatUTCWeekNumberMonday(d, p) { - return pad(utcMonday.count(utcYear(d), d), p, 2); - } +function center(scale) { + var offset = scale.bandwidth() / 2; + if (scale.round()) offset = Math.round(offset); + return function(d) { + return scale(d) + offset; + }; +} + +function entering() { + return !this.__axis; +} + +function axis(orient, scale) { + var tickArguments = [], + tickValues = null, + tickFormat = null, + tickSizeInner = 6, + tickSizeOuter = 6, + tickPadding = 3; + + function axis(context) { + var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues, + format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$5) : tickFormat, + spacing = Math.max(tickSizeInner, 0) + tickPadding, + transform = orient === top || orient === bottom ? translateX : translateY, + range = scale.range(), + range0 = range[0] + 0.5, + range1 = range[range.length - 1] + 0.5, + position = (scale.bandwidth ? center : identity$5)(scale.copy()), + selection = context.selection ? context.selection() : context, + path = selection.selectAll(".domain").data([null]), + tick = selection.selectAll(".tick").data(values, scale).order(), + tickExit = tick.exit(), + tickEnter = tick.enter().append("g").attr("class", "tick"), + line = tick.select("line"), + text = tick.select("text"), + k = orient === top || orient === left ? -1 : 1, + x, y = orient === left || orient === right ? (x = "x", "y") : (x = "y", "x"); + + path = path.merge(path.enter().insert("path", ".tick") + .attr("class", "domain") + .attr("stroke", "#000")); + + tick = tick.merge(tickEnter); + + line = line.merge(tickEnter.append("line") + .attr("stroke", "#000") + .attr(x + "2", k * tickSizeInner) + .attr(y + "1", 0.5) + .attr(y + "2", 0.5)); + + text = text.merge(tickEnter.append("text") + .attr("fill", "#000") + .attr(x, k * spacing) + .attr(y, 0.5) + .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); + + if (context !== selection) { + path = path.transition(context); + tick = tick.transition(context); + line = line.transition(context); + text = text.transition(context); + + tickExit = tickExit.transition(context) + .attr("opacity", epsilon$2) + .attr("transform", function(d) { return transform(position, this.parentNode.__axis || position, d); }); + + tickEnter + .attr("opacity", epsilon$2) + .attr("transform", function(d) { return transform(this.parentNode.__axis || position, position, d); }); + } + + tickExit.remove(); + + path + .attr("d", orient === left || orient == right + ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter + : "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter); + + tick + .attr("opacity", 1) + .attr("transform", function(d) { return transform(position, position, d); }); + + line + .attr(x + "2", k * tickSizeInner); + + text + .attr(x, k * spacing) + .text(format); + + selection.filter(entering) + .attr("fill", "none") + .attr("font-size", 10) + .attr("font-family", "sans-serif") + .attr("text-anchor", orient === right ? "start" : orient === left ? "end" : "middle"); + + selection + .each(function() { this.__axis = position; }); + } + + axis.scale = function(_) { + return arguments.length ? (scale = _, axis) : scale; + }; - function formatUTCYear(d, p) { - return pad(d.getUTCFullYear() % 100, p, 2); - } + axis.ticks = function() { + return tickArguments = slice$4.call(arguments), axis; + }; - function formatUTCFullYear(d, p) { - return pad(d.getUTCFullYear() % 10000, p, 4); - } + axis.tickArguments = function(_) { + return arguments.length ? (tickArguments = _ == null ? [] : slice$4.call(_), axis) : tickArguments.slice(); + }; - function formatUTCZone() { - return "+0000"; - } + axis.tickValues = function(_) { + return arguments.length ? (tickValues = _ == null ? null : slice$4.call(_), axis) : tickValues && tickValues.slice(); + }; - function formatLiteralPercent() { - return "%"; - } + axis.tickFormat = function(_) { + return arguments.length ? (tickFormat = _, axis) : tickFormat; + }; - var locale$1; - defaultLocale$1({ - dateTime: "%x, %X", - date: "%-m/%-d/%Y", - time: "%-I:%M:%S %p", - periods: ["AM", "PM"], - days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], - shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], - months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], - shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"] - }); + axis.tickSize = function(_) { + return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner; + }; - function defaultLocale$1(definition) { - locale$1 = formatLocale$1(definition); - exports.timeFormat = locale$1.format; - exports.timeParse = locale$1.parse; - exports.utcFormat = locale$1.utcFormat; - exports.utcParse = locale$1.utcParse; - return locale$1; - } + axis.tickSizeInner = function(_) { + return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner; + }; - var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; + axis.tickSizeOuter = function(_) { + return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter; + }; - function formatIsoNative(date) { - return date.toISOString(); - } + axis.tickPadding = function(_) { + return arguments.length ? (tickPadding = +_, axis) : tickPadding; + }; - var formatIso = Date.prototype.toISOString - ? formatIsoNative - : exports.utcFormat(isoSpecifier); + return axis; +} + +function axisTop(scale) { + return axis(top, scale); +} + +function axisRight(scale) { + return axis(right, scale); +} + +function axisBottom(scale) { + return axis(bottom, scale); +} + +function axisLeft(scale) { + return axis(left, scale); +} + +function defaultSeparation(a, b) { + return a.parent === b.parent ? 1 : 2; +} + +function meanX(children) { + return children.reduce(meanXReduce, 0) / children.length; +} + +function meanXReduce(x, c) { + return x + c.x; +} + +function maxY(children) { + return 1 + children.reduce(maxYReduce, 0); +} + +function maxYReduce(y, c) { + return Math.max(y, c.y); +} + +function leafLeft(node) { + var children; + while (children = node.children) node = children[0]; + return node; +} + +function leafRight(node) { + var children; + while (children = node.children) node = children[children.length - 1]; + return node; +} + +var cluster = function() { + var separation = defaultSeparation, + dx = 1, + dy = 1, + nodeSize = false; + + function cluster(root) { + var previousNode, + x = 0; + + // First walk, computing the initial x & y values. + root.eachAfter(function(node) { + var children = node.children; + if (children) { + node.x = meanX(children); + node.y = maxY(children); + } else { + node.x = previousNode ? x += separation(node, previousNode) : 0; + node.y = 0; + previousNode = node; + } + }); - function parseIsoNative(string) { - var date = new Date(string); - return isNaN(date) ? null : date; + var left = leafLeft(root), + right = leafRight(root), + x0 = left.x - separation(left, right) / 2, + x1 = right.x + separation(right, left) / 2; + + // Second walk, normalizing x & y to the desired size. + return root.eachAfter(nodeSize ? function(node) { + node.x = (node.x - root.x) * dx; + node.y = (root.y - node.y) * dy; + } : function(node) { + node.x = (node.x - x0) / (x1 - x0) * dx; + node.y = (1 - (root.y ? node.y / root.y : 1)) * dy; + }); } - var parseIso = +new Date("2000-01-01T00:00:00.000Z") - ? parseIsoNative - : exports.utcParse(isoSpecifier); - - var array$2 = Array.prototype; - - var map$2 = array$2.map; - var slice$3 = array$2.slice; + cluster.separation = function(x) { + return arguments.length ? (separation = x, cluster) : separation; + }; - var implicit = {name: "implicit"}; + cluster.size = function(x) { + return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? null : [dx, dy]); + }; - function ordinal(range) { - var index = map$1(), - domain = [], - unknown = implicit; + cluster.nodeSize = function(x) { + return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? [dx, dy] : null); + }; - range = range == null ? [] : slice$3.call(range); + return cluster; +} - function scale(d) { - var key = d + "", i = index.get(key); - if (!i) { - if (unknown !== implicit) return unknown; - index.set(key, i = domain.push(d)); - } - return range[(i - 1) % range.length]; +var node_each = function(callback) { + var node = this, current, next = [node], children, i, n; + do { + current = next.reverse(), next = []; + while (node = current.pop()) { + callback(node), children = node.children; + if (children) for (i = 0, n = children.length; i < n; ++i) { + next.push(children[i]); + } } + } while (next.length); + return this; +} - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = [], index = map$1(); - var i = -1, n = _.length, d, key; - while (++i < n) if (!index.has(key = (d = _[i]) + "")) index.set(key, domain.push(d)); - return scale; - }; +var node_eachBefore = function(callback) { + var node = this, nodes = [node], children, i; + while (node = nodes.pop()) { + callback(node), children = node.children; + if (children) for (i = children.length - 1; i >= 0; --i) { + nodes.push(children[i]); + } + } + return this; +} - scale.range = function(_) { - return arguments.length ? (range = slice$3.call(_), scale) : range.slice(); - }; +var node_eachAfter = function(callback) { + var node = this, nodes = [node], next = [], children, i, n; + while (node = nodes.pop()) { + next.push(node), children = node.children; + if (children) for (i = 0, n = children.length; i < n; ++i) { + nodes.push(children[i]); + } + } + while (node = next.pop()) { + callback(node); + } + return this; +} - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; +var node_sum = function(value) { + return this.eachAfter(function(node) { + var sum = +value(node.data) || 0, + children = node.children, + i = children && children.length; + while (--i >= 0) sum += children[i].value; + node.value = sum; + }); +} - scale.copy = function() { - return ordinal() - .domain(domain) - .range(range) - .unknown(unknown); - }; +var node_sort = function(compare) { + return this.eachBefore(function(node) { + if (node.children) { + node.children.sort(compare); + } + }); +} + +var node_path = function(end) { + var start = this, + ancestor = leastCommonAncestor(start, end), + nodes = [start]; + while (start !== ancestor) { + start = start.parent; + nodes.push(start); + } + var k = nodes.length; + while (end !== ancestor) { + nodes.splice(k, 0, end); + end = end.parent; + } + return nodes; +} + +function leastCommonAncestor(a, b) { + if (a === b) return a; + var aNodes = a.ancestors(), + bNodes = b.ancestors(), + c = null; + a = aNodes.pop(); + b = bNodes.pop(); + while (a === b) { + c = a; + a = aNodes.pop(); + b = bNodes.pop(); + } + return c; +} - return scale; +var node_ancestors = function() { + var node = this, nodes = [node]; + while (node = node.parent) { + nodes.push(node); } + return nodes; +} - function band() { - var scale = ordinal().unknown(undefined), - domain = scale.domain, - ordinalRange = scale.range, - range$$ = [0, 1], - step, - bandwidth, - round = false, - paddingInner = 0, - paddingOuter = 0, - align = 0.5; - - delete scale.unknown; - - function rescale() { - var n = domain().length, - reverse = range$$[1] < range$$[0], - start = range$$[reverse - 0], - stop = range$$[1 - reverse]; - step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); - if (round) step = Math.floor(step); - start += (stop - start - step * (n - paddingInner)) * align; - bandwidth = step * (1 - paddingInner); - if (round) start = Math.round(start), bandwidth = Math.round(bandwidth); - var values = range(n).map(function(i) { return start + step * i; }); - return ordinalRange(reverse ? values.reverse() : values); - } - - scale.domain = function(_) { - return arguments.length ? (domain(_), rescale()) : domain(); - }; +var node_descendants = function() { + var nodes = []; + this.each(function(node) { + nodes.push(node); + }); + return nodes; +} - scale.range = function(_) { - return arguments.length ? (range$$ = [+_[0], +_[1]], rescale()) : range$$.slice(); - }; +var node_leaves = function() { + var leaves = []; + this.eachBefore(function(node) { + if (!node.children) { + leaves.push(node); + } + }); + return leaves; +} - scale.rangeRound = function(_) { - return range$$ = [+_[0], +_[1]], round = true, rescale(); - }; +var node_links = function() { + var root = this, links = []; + root.each(function(node) { + if (node !== root) { // Don’t include the root’s parent, if any. + links.push({source: node.parent, target: node}); + } + }); + return links; +} + +function hierarchy(data, children) { + var root = new Node(data), + valued = +data.value && (root.value = data.value), + node, + nodes = [root], + child, + childs, + i, + n; + + if (children == null) children = defaultChildren; + + while (node = nodes.pop()) { + if (valued) node.value = +node.data.value; + if ((childs = children(node.data)) && (n = childs.length)) { + node.children = new Array(n); + for (i = n - 1; i >= 0; --i) { + nodes.push(child = node.children[i] = new Node(childs[i])); + child.parent = node; + child.depth = node.depth + 1; + } + } + } + + return root.eachBefore(computeHeight); +} + +function node_copy() { + return hierarchy(this).eachBefore(copyData); +} + +function defaultChildren(d) { + return d.children; +} + +function copyData(node) { + node.data = node.data.data; +} + +function computeHeight(node) { + var height = 0; + do node.height = height; + while ((node = node.parent) && (node.height < ++height)); +} + +function Node(data) { + this.data = data; + this.depth = + this.height = 0; + this.parent = null; +} + +Node.prototype = hierarchy.prototype = { + constructor: Node, + each: node_each, + eachAfter: node_eachAfter, + eachBefore: node_eachBefore, + sum: node_sum, + sort: node_sort, + path: node_path, + ancestors: node_ancestors, + descendants: node_descendants, + leaves: node_leaves, + links: node_links, + copy: node_copy +}; + +function Node$2(value) { + this._ = value; + this.next = null; +} + +var shuffle$1 = function(array) { + var i, + n = (array = array.slice()).length, + head = null, + node = head; + + while (n) { + var next = new Node$2(array[n - 1]); + if (node) node = node.next = next; + else node = head = next; + array[i] = array[--n]; + } + + return { + head: head, + tail: node + }; +} + +var enclose = function(circles) { + return encloseN(shuffle$1(circles), []); +} + +function encloses(a, b) { + var dx = b.x - a.x, + dy = b.y - a.y, + dr = a.r - b.r; + return dr * dr + 1e-6 > dx * dx + dy * dy; +} + +// Returns the smallest circle that contains circles L and intersects circles B. +function encloseN(L, B) { + var circle, + l0 = null, + l1 = L.head, + l2, + p1; + + switch (B.length) { + case 1: circle = enclose1(B[0]); break; + case 2: circle = enclose2(B[0], B[1]); break; + case 3: circle = enclose3(B[0], B[1], B[2]); break; + } + + while (l1) { + p1 = l1._, l2 = l1.next; + if (!circle || !encloses(circle, p1)) { + + // Temporarily truncate L before l1. + if (l0) L.tail = l0, l0.next = null; + else L.head = L.tail = null; + + B.push(p1); + circle = encloseN(L, B); // Note: reorders L! + B.pop(); + + // Move l1 to the front of L and reconnect the truncated list L. + if (L.head) l1.next = L.head, L.head = l1; + else l1.next = null, L.head = L.tail = l1; + l0 = L.tail, l0.next = l2; - scale.bandwidth = function() { - return bandwidth; - }; + } else { + l0 = l1; + } + l1 = l2; + } - scale.step = function() { - return step; - }; + L.tail = l0; + return circle; +} - scale.round = function(_) { - return arguments.length ? (round = !!_, rescale()) : round; - }; +function enclose1(a) { + return { + x: a.x, + y: a.y, + r: a.r + }; +} + +function enclose2(a, b) { + var x1 = a.x, y1 = a.y, r1 = a.r, + x2 = b.x, y2 = b.y, r2 = b.r, + x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1, + l = Math.sqrt(x21 * x21 + y21 * y21); + return { + x: (x1 + x2 + x21 / l * r21) / 2, + y: (y1 + y2 + y21 / l * r21) / 2, + r: (l + r1 + r2) / 2 + }; +} + +function enclose3(a, b, c) { + var x1 = a.x, y1 = a.y, r1 = a.r, + x2 = b.x, y2 = b.y, r2 = b.r, + x3 = c.x, y3 = c.y, r3 = c.r, + a2 = 2 * (x1 - x2), + b2 = 2 * (y1 - y2), + c2 = 2 * (r2 - r1), + d2 = x1 * x1 + y1 * y1 - r1 * r1 - x2 * x2 - y2 * y2 + r2 * r2, + a3 = 2 * (x1 - x3), + b3 = 2 * (y1 - y3), + c3 = 2 * (r3 - r1), + d3 = x1 * x1 + y1 * y1 - r1 * r1 - x3 * x3 - y3 * y3 + r3 * r3, + ab = a3 * b2 - a2 * b3, + xa = (b2 * d3 - b3 * d2) / ab - x1, + xb = (b3 * c2 - b2 * c3) / ab, + ya = (a3 * d2 - a2 * d3) / ab - y1, + yb = (a2 * c3 - a3 * c2) / ab, + A = xb * xb + yb * yb - 1, + B = 2 * (xa * xb + ya * yb + r1), + C = xa * xa + ya * ya - r1 * r1, + r = (-B - Math.sqrt(B * B - 4 * A * C)) / (2 * A); + return { + x: xa + xb * r + x1, + y: ya + yb * r + y1, + r: r + }; +} + +function place(a, b, c) { + var ax = a.x, + ay = a.y, + da = b.r + c.r, + db = a.r + c.r, + dx = b.x - ax, + dy = b.y - ay, + dc = dx * dx + dy * dy; + if (dc) { + var x = 0.5 + ((db *= db) - (da *= da)) / (2 * dc), + y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); + c.x = ax + x * dx + y * dy; + c.y = ay + x * dy - y * dx; + } else { + c.x = ax + db; + c.y = ay; + } +} + +function intersects(a, b) { + var dx = b.x - a.x, + dy = b.y - a.y, + dr = a.r + b.r; + return dr * dr > dx * dx + dy * dy; +} + +function distance2(circle, x, y) { + var dx = circle.x - x, + dy = circle.y - y; + return dx * dx + dy * dy; +} + +function Node$1(circle) { + this._ = circle; + this.next = null; + this.previous = null; +} + +function packEnclose(circles) { + if (!(n = circles.length)) return 0; + + var a, b, c, n; + + // Place the first circle. + a = circles[0], a.x = 0, a.y = 0; + if (!(n > 1)) return a.r; + + // Place the second circle. + b = circles[1], a.x = -b.r, b.x = a.r, b.y = 0; + if (!(n > 2)) return a.r + b.r; + + // Place the third circle. + place(b, a, c = circles[2]); + + // Initialize the weighted centroid. + var aa = a.r * a.r, + ba = b.r * b.r, + ca = c.r * c.r, + oa = aa + ba + ca, + ox = aa * a.x + ba * b.x + ca * c.x, + oy = aa * a.y + ba * b.y + ca * c.y, + cx, cy, i, j, k, sj, sk; + + // Initialize the front-chain using the first three circles a, b and c. + a = new Node$1(a), b = new Node$1(b), c = new Node$1(c); + a.next = c.previous = b; + b.next = a.previous = c; + c.next = b.previous = a; + + // Attempt to place each remaining circle… + pack: for (i = 3; i < n; ++i) { + place(a._, b._, c = circles[i]), c = new Node$1(c); + + // If there are only three elements in the front-chain… + if ((k = a.previous) === (j = b.next)) { + // If the new circle intersects the third circle, + // rotate the front chain to try the next position. + if (intersects(j._, c._)) { + a = b, b = j, --i; + continue pack; + } + } + + // Find the closest intersecting circle on the front-chain, if any. + else { + sj = j._.r, sk = k._.r; + do { + if (sj <= sk) { + if (intersects(j._, c._)) { + b = j, a.next = b, b.previous = a, --i; + continue pack; + } + j = j.next, sj += j._.r; + } else { + if (intersects(k._, c._)) { + a = k, a.next = b, b.previous = a, --i; + continue pack; + } + k = k.previous, sk += k._.r; + } + } while (j !== k.next); + } - scale.padding = function(_) { - return arguments.length ? (paddingInner = paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; - }; + // Success! Insert the new circle c between a and b. + c.previous = a, c.next = b, a.next = b.previous = b = c; - scale.paddingInner = function(_) { - return arguments.length ? (paddingInner = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; - }; + // Update the weighted centroid. + oa += ca = c._.r * c._.r; + ox += ca * c._.x; + oy += ca * c._.y; - scale.paddingOuter = function(_) { - return arguments.length ? (paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingOuter; - }; + // Compute the new closest circle a to centroid. + aa = distance2(a._, cx = ox / oa, cy = oy / oa); + while ((c = c.next) !== b) { + if ((ca = distance2(c._, cx, cy)) < aa) { + a = c, aa = ca; + } + } + b = a.next; + } - scale.align = function(_) { - return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align; - }; + // Compute the enclosing circle of the front chain. + a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a); - scale.copy = function() { - return band() - .domain(domain()) - .range(range$$) - .round(round) - .paddingInner(paddingInner) - .paddingOuter(paddingOuter) - .align(align); - }; + // Translate the circles to put the enclosing circle around the origin. + for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y; - return rescale(); - } + return c.r; +} - function pointish(scale) { - var copy = scale.copy; +var siblings = function(circles) { + packEnclose(circles); + return circles; +} - scale.padding = scale.paddingOuter; - delete scale.paddingInner; - delete scale.paddingOuter; +function optional(f) { + return f == null ? null : required(f); +} - scale.copy = function() { - return pointish(copy()); - }; +function required(f) { + if (typeof f !== "function") throw new Error; + return f; +} - return scale; - } +function constantZero() { + return 0; +} - function point$4() { - return pointish(band().paddingInner(1)); +var constant$6 = function(x) { + return function() { + return x; + }; +} + +function defaultRadius(d) { + return Math.sqrt(d.value); +} + +var index = function() { + var radius = null, + dx = 1, + dy = 1, + padding = constantZero; + + function pack(root) { + root.x = dx / 2, root.y = dy / 2; + if (radius) { + root.eachBefore(radiusLeaf(radius)) + .eachAfter(packChildren(padding, 0.5)) + .eachBefore(translateChild(1)); + } else { + root.eachBefore(radiusLeaf(defaultRadius)) + .eachAfter(packChildren(constantZero, 1)) + .eachAfter(packChildren(padding, root.r / Math.min(dx, dy))) + .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r))); + } + return root; } - function constant$3(x) { - return function() { - return x; - }; - } + pack.radius = function(x) { + return arguments.length ? (radius = optional(x), pack) : radius; + }; - function number$1(x) { - return +x; - } + pack.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], pack) : [dx, dy]; + }; - var unit = [0, 1]; + pack.padding = function(x) { + return arguments.length ? (padding = typeof x === "function" ? x : constant$6(+x), pack) : padding; + }; - function deinterpolate(a, b) { - return (b -= (a = +a)) - ? function(x) { return (x - a) / b; } - : constant$3(b); - } + return pack; +} - function deinterpolateClamp(deinterpolate) { - return function(a, b) { - var d = deinterpolate(a = +a, b = +b); - return function(x) { return x <= a ? 0 : x >= b ? 1 : d(x); }; - }; - } +function radiusLeaf(radius) { + return function(node) { + if (!node.children) { + node.r = Math.max(0, +radius(node) || 0); + } + }; +} + +function packChildren(padding, k) { + return function(node) { + if (children = node.children) { + var children, + i, + n = children.length, + r = padding(node) * k || 0, + e; - function reinterpolateClamp(reinterpolate) { - return function(a, b) { - var r = reinterpolate(a = +a, b = +b); - return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; + if (r) for (i = 0; i < n; ++i) children[i].r += r; + e = packEnclose(children); + if (r) for (i = 0; i < n; ++i) children[i].r -= r; + node.r = e + r; + } + }; +} + +function translateChild(k) { + return function(node) { + var parent = node.parent; + node.r *= k; + if (parent) { + node.x = parent.x + k * node.x; + node.y = parent.y + k * node.y; + } + }; +} + +var roundNode = function(node) { + node.x0 = Math.round(node.x0); + node.y0 = Math.round(node.y0); + node.x1 = Math.round(node.x1); + node.y1 = Math.round(node.y1); +} + +var treemapDice = function(parent, x0, y0, x1, y1) { + var nodes = parent.children, + node, + i = -1, + n = nodes.length, + k = parent.value && (x1 - x0) / parent.value; + + while (++i < n) { + node = nodes[i], node.y0 = y0, node.y1 = y1; + node.x0 = x0, node.x1 = x0 += node.value * k; + } +} + +var partition = function() { + var dx = 1, + dy = 1, + padding = 0, + round = false; + + function partition(root) { + var n = root.height + 1; + root.x0 = + root.y0 = padding; + root.x1 = dx; + root.y1 = dy / n; + root.eachBefore(positionNode(dy, n)); + if (round) root.eachBefore(roundNode); + return root; + } + + function positionNode(dy, n) { + return function(node) { + if (node.children) { + treemapDice(node, node.x0, dy * (node.depth + 1) / n, node.x1, dy * (node.depth + 2) / n); + } + var x0 = node.x0, + y0 = node.y0, + x1 = node.x1 - padding, + y1 = node.y1 - padding; + if (x1 < x0) x0 = x1 = (x0 + x1) / 2; + if (y1 < y0) y0 = y1 = (y0 + y1) / 2; + node.x0 = x0; + node.y0 = y0; + node.x1 = x1; + node.y1 = y1; }; } - function bimap(domain, range, deinterpolate, reinterpolate) { - var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; - if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); - else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); - return function(x) { return r0(d0(x)); }; - } + partition.round = function(x) { + return arguments.length ? (round = !!x, partition) : round; + }; + + partition.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], partition) : [dx, dy]; + }; + + partition.padding = function(x) { + return arguments.length ? (padding = +x, partition) : padding; + }; + + return partition; +} + +var keyPrefix$1 = "$"; +var preroot = {depth: -1}; +var ambiguous = {}; + +function defaultId(d) { + return d.id; +} - function polymap(domain, range, deinterpolate, reinterpolate) { - var j = Math.min(domain.length, range.length) - 1, - d = new Array(j), - r = new Array(j), - i = -1; +function defaultParentId(d) { + return d.parentId; +} + +var stratify = function() { + var id = defaultId, + parentId = defaultParentId; + + function stratify(data) { + var d, + i, + n = data.length, + root, + parent, + node, + nodes = new Array(n), + nodeId, + nodeKey, + nodeByKey = {}; - // Reverse descending domains. - if (domain[j] < domain[0]) { - domain = domain.slice().reverse(); - range = range.slice().reverse(); + for (i = 0; i < n; ++i) { + d = data[i], node = nodes[i] = new Node(d); + if ((nodeId = id(d, i, data)) != null && (nodeId += "")) { + nodeKey = keyPrefix$1 + (node.id = nodeId); + nodeByKey[nodeKey] = nodeKey in nodeByKey ? ambiguous : node; + } } - while (++i < j) { - d[i] = deinterpolate(domain[i], domain[i + 1]); - r[i] = reinterpolate(range[i], range[i + 1]); + for (i = 0; i < n; ++i) { + node = nodes[i], nodeId = parentId(data[i], i, data); + if (nodeId == null || !(nodeId += "")) { + if (root) throw new Error("multiple roots"); + root = node; + } else { + parent = nodeByKey[keyPrefix$1 + nodeId]; + if (!parent) throw new Error("missing: " + nodeId); + if (parent === ambiguous) throw new Error("ambiguous: " + nodeId); + if (parent.children) parent.children.push(node); + else parent.children = [node]; + node.parent = parent; + } } - return function(x) { - var i = bisectRight(domain, x, 1, j) - 1; - return r[i](d[i](x)); - }; - } + if (!root) throw new Error("no root"); + root.parent = preroot; + root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight); + root.parent = null; + if (n > 0) throw new Error("cycle"); - function copy(source, target) { - return target - .domain(source.domain()) - .range(source.range()) - .interpolate(source.interpolate()) - .clamp(source.clamp()); + return root; } - // deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. - // reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. - function continuous(deinterpolate$$, reinterpolate) { - var domain = unit, - range = unit, - interpolate$$ = interpolate, - clamp = false, - piecewise, - output, - input; + stratify.id = function(x) { + return arguments.length ? (id = required(x), stratify) : id; + }; - function rescale() { - piecewise = Math.min(domain.length, range.length) > 2 ? polymap : bimap; - output = input = null; - return scale; - } + stratify.parentId = function(x) { + return arguments.length ? (parentId = required(x), stratify) : parentId; + }; - function scale(x) { - return (output || (output = piecewise(domain, range, clamp ? deinterpolateClamp(deinterpolate$$) : deinterpolate$$, interpolate$$)))(+x); + return stratify; +} + +function defaultSeparation$1(a, b) { + return a.parent === b.parent ? 1 : 2; +} + +// function radialSeparation(a, b) { +// return (a.parent === b.parent ? 1 : 2) / a.depth; +// } + +// This function is used to traverse the left contour of a subtree (or +// subforest). It returns the successor of v on this contour. This successor is +// either given by the leftmost child of v or by the thread of v. The function +// returns null if and only if v is on the highest level of its subtree. +function nextLeft(v) { + var children = v.children; + return children ? children[0] : v.t; +} + +// This function works analogously to nextLeft. +function nextRight(v) { + var children = v.children; + return children ? children[children.length - 1] : v.t; +} + +// Shifts the current subtree rooted at w+. This is done by increasing +// prelim(w+) and mod(w+) by shift. +function moveSubtree(wm, wp, shift) { + var change = shift / (wp.i - wm.i); + wp.c -= change; + wp.s += shift; + wm.c += change; + wp.z += shift; + wp.m += shift; +} + +// All other shifts, applied to the smaller subtrees between w- and w+, are +// performed by this function. To prepare the shifts, we have to adjust +// change(w+), shift(w+), and change(w-). +function executeShifts(v) { + var shift = 0, + change = 0, + children = v.children, + i = children.length, + w; + while (--i >= 0) { + w = children[i]; + w.z += shift; + w.m += shift; + shift += w.s + (change += w.c); + } +} + +// If vi-’s ancestor is a sibling of v, returns vi-’s ancestor. Otherwise, +// returns the specified (default) ancestor. +function nextAncestor(vim, v, ancestor) { + return vim.a.parent === v.parent ? vim.a : ancestor; +} + +function TreeNode(node, i) { + this._ = node; + this.parent = null; + this.children = null; + this.A = null; // default ancestor + this.a = this; // ancestor + this.z = 0; // prelim + this.m = 0; // mod + this.c = 0; // change + this.s = 0; // shift + this.t = null; // thread + this.i = i; // number +} + +TreeNode.prototype = Object.create(Node.prototype); + +function treeRoot(root) { + var tree = new TreeNode(root, 0), + node, + nodes = [tree], + child, + children, + i, + n; + + while (node = nodes.pop()) { + if (children = node._.children) { + node.children = new Array(n = children.length); + for (i = n - 1; i >= 0; --i) { + nodes.push(child = node.children[i] = new TreeNode(children[i], i)); + child.parent = node; + } + } + } + + (tree.parent = new TreeNode(null, 0)).children = [tree]; + return tree; +} + +// Node-link tree diagram using the Reingold-Tilford "tidy" algorithm +var tree = function() { + var separation = defaultSeparation$1, + dx = 1, + dy = 1, + nodeSize = null; + + function tree(root) { + var t = treeRoot(root); + + // Compute the layout using Buchheim et al.’s algorithm. + t.eachAfter(firstWalk), t.parent.m = -t.z; + t.eachBefore(secondWalk); + + // If a fixed node size is specified, scale x and y. + if (nodeSize) root.eachBefore(sizeNode); + + // If a fixed tree size is specified, scale x and y based on the extent. + // Compute the left-most, right-most, and depth-most nodes for extents. + else { + var left = root, + right = root, + bottom = root; + root.eachBefore(function(node) { + if (node.x < left.x) left = node; + if (node.x > right.x) right = node; + if (node.depth > bottom.depth) bottom = node; + }); + var s = left === right ? 1 : separation(left, right) / 2, + tx = s - left.x, + kx = dx / (right.x + s + tx), + ky = dy / (bottom.depth || 1); + root.eachBefore(function(node) { + node.x = (node.x + tx) * kx; + node.y = node.depth * ky; + }); } - scale.invert = function(y) { - return (input || (input = piecewise(range, domain, deinterpolate, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); - }; + return root; + } - scale.domain = function(_) { - return arguments.length ? (domain = map$2.call(_, number$1), rescale()) : domain.slice(); - }; + // Computes a preliminary x-coordinate for v. Before that, FIRST WALK is + // applied recursively to the children of v, as well as the function + // APPORTION. After spacing out the children by calling EXECUTE SHIFTS, the + // node v is placed to the midpoint of its outermost children. + function firstWalk(v) { + var children = v.children, + siblings = v.parent.children, + w = v.i ? siblings[v.i - 1] : null; + if (children) { + executeShifts(v); + var midpoint = (children[0].z + children[children.length - 1].z) / 2; + if (w) { + v.z = w.z + separation(v._, w._); + v.m = v.z - midpoint; + } else { + v.z = midpoint; + } + } else if (w) { + v.z = w.z + separation(v._, w._); + } + v.parent.A = apportion(v, w, v.parent.A || siblings[0]); + } + + // Computes all real x-coordinates by summing up the modifiers recursively. + function secondWalk(v) { + v._.x = v.z + v.parent.m; + v.m += v.parent.m; + } + + // The core of the algorithm. Here, a new subtree is combined with the + // previous subtrees. Threads are used to traverse the inside and outside + // contours of the left and right subtree up to the highest common level. The + // vertices used for the traversals are vi+, vi-, vo-, and vo+, where the + // superscript o means outside and i means inside, the subscript - means left + // subtree and + means right subtree. For summing up the modifiers along the + // contour, we use respective variables si+, si-, so-, and so+. Whenever two + // nodes of the inside contours conflict, we compute the left one of the + // greatest uncommon ancestors using the function ANCESTOR and call MOVE + // SUBTREE to shift the subtree and prepare the shifts of smaller subtrees. + // Finally, we add a new thread (if necessary). + function apportion(v, w, ancestor) { + if (w) { + var vip = v, + vop = v, + vim = w, + vom = vip.parent.children[0], + sip = vip.m, + sop = vop.m, + sim = vim.m, + som = vom.m, + shift; + while (vim = nextRight(vim), vip = nextLeft(vip), vim && vip) { + vom = nextLeft(vom); + vop = nextRight(vop); + vop.a = v; + shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); + if (shift > 0) { + moveSubtree(nextAncestor(vim, v, ancestor), v, shift); + sip += shift; + sop += shift; + } + sim += vim.m; + sip += vip.m; + som += vom.m; + sop += vop.m; + } + if (vim && !nextRight(vop)) { + vop.t = vim; + vop.m += sim - sop; + } + if (vip && !nextLeft(vom)) { + vom.t = vip; + vom.m += sip - som; + ancestor = v; + } + } + return ancestor; + } + + function sizeNode(node) { + node.x *= dx; + node.y = node.depth * dy; + } + + tree.separation = function(x) { + return arguments.length ? (separation = x, tree) : separation; + }; - scale.range = function(_) { - return arguments.length ? (range = slice$3.call(_), rescale()) : range.slice(); - }; + tree.size = function(x) { + return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], tree) : (nodeSize ? null : [dx, dy]); + }; - scale.rangeRound = function(_) { - return range = slice$3.call(_), interpolate$$ = interpolateRound, rescale(); - }; + tree.nodeSize = function(x) { + return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], tree) : (nodeSize ? [dx, dy] : null); + }; - scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, rescale()) : clamp; - }; + return tree; +} + +var treemapSlice = function(parent, x0, y0, x1, y1) { + var nodes = parent.children, + node, + i = -1, + n = nodes.length, + k = parent.value && (y1 - y0) / parent.value; + + while (++i < n) { + node = nodes[i], node.x0 = x0, node.x1 = x1; + node.y0 = y0, node.y1 = y0 += node.value * k; + } +} + +var phi = (1 + Math.sqrt(5)) / 2; + +function squarifyRatio(ratio, parent, x0, y0, x1, y1) { + var rows = [], + nodes = parent.children, + row, + nodeValue, + i0 = 0, + i1, + n = nodes.length, + dx, dy, + value = parent.value, + sumValue, + minValue, + maxValue, + newRatio, + minRatio, + alpha, + beta; + + while (i0 < n) { + dx = x1 - x0, dy = y1 - y0; + minValue = maxValue = sumValue = nodes[i0].value; + alpha = Math.max(dy / dx, dx / dy) / (value * ratio); + beta = sumValue * sumValue * alpha; + minRatio = Math.max(maxValue / beta, beta / minValue); + + // Keep adding nodes while the aspect ratio maintains or improves. + for (i1 = i0 + 1; i1 < n; ++i1) { + sumValue += nodeValue = nodes[i1].value; + if (nodeValue < minValue) minValue = nodeValue; + if (nodeValue > maxValue) maxValue = nodeValue; + beta = sumValue * sumValue * alpha; + newRatio = Math.max(maxValue / beta, beta / minValue); + if (newRatio > minRatio) { sumValue -= nodeValue; break; } + minRatio = newRatio; + } - scale.interpolate = function(_) { - return arguments.length ? (interpolate$$ = _, rescale()) : interpolate$$; - }; + // Position and record the row orientation. + rows.push(row = {value: sumValue, dice: dx < dy, children: nodes.slice(i0, i1)}); + if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += dy * sumValue / value : y1); + else treemapSlice(row, x0, y0, value ? x0 += dx * sumValue / value : x1, y1); + value -= sumValue, i0 = i1; + } - return rescale(); + return rows; +} + +var squarify = (function custom(ratio) { + + function squarify(parent, x0, y0, x1, y1) { + squarifyRatio(ratio, parent, x0, y0, x1, y1); } - function tickFormat(domain, count, specifier) { - var start = domain[0], - stop = domain[domain.length - 1], - step = tickStep(start, stop, count == null ? 10 : count), - precision; - specifier = formatSpecifier(specifier == null ? ",f" : specifier); - switch (specifier.type) { - case "s": { - var value = Math.max(Math.abs(start), Math.abs(stop)); - if (specifier.precision == null && !isNaN(precision = precisionPrefix(step, value))) specifier.precision = precision; - return exports.formatPrefix(specifier, value); - } - case "": - case "e": - case "g": - case "p": - case "r": { - if (specifier.precision == null && !isNaN(precision = precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === "e"); - break; - } - case "f": - case "%": { - if (specifier.precision == null && !isNaN(precision = precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2; - break; - } + squarify.ratio = function(x) { + return custom((x = +x) > 1 ? x : 1); + }; + + return squarify; +})(phi); + +var index$1 = function() { + var tile = squarify, + round = false, + dx = 1, + dy = 1, + paddingStack = [0], + paddingInner = constantZero, + paddingTop = constantZero, + paddingRight = constantZero, + paddingBottom = constantZero, + paddingLeft = constantZero; + + function treemap(root) { + root.x0 = + root.y0 = 0; + root.x1 = dx; + root.y1 = dy; + root.eachBefore(positionNode); + paddingStack = [0]; + if (round) root.eachBefore(roundNode); + return root; + } + + function positionNode(node) { + var p = paddingStack[node.depth], + x0 = node.x0 + p, + y0 = node.y0 + p, + x1 = node.x1 - p, + y1 = node.y1 - p; + if (x1 < x0) x0 = x1 = (x0 + x1) / 2; + if (y1 < y0) y0 = y1 = (y0 + y1) / 2; + node.x0 = x0; + node.y0 = y0; + node.x1 = x1; + node.y1 = y1; + if (node.children) { + p = paddingStack[node.depth + 1] = paddingInner(node) / 2; + x0 += paddingLeft(node) - p; + y0 += paddingTop(node) - p; + x1 -= paddingRight(node) - p; + y1 -= paddingBottom(node) - p; + if (x1 < x0) x0 = x1 = (x0 + x1) / 2; + if (y1 < y0) y0 = y1 = (y0 + y1) / 2; + tile(node, x0, y0, x1, y1); } - return exports.format(specifier); } - function linearish(scale) { - var domain = scale.domain; + treemap.round = function(x) { + return arguments.length ? (round = !!x, treemap) : round; + }; - scale.ticks = function(count) { - var d = domain(); - return ticks(d[0], d[d.length - 1], count == null ? 10 : count); - }; + treemap.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], treemap) : [dx, dy]; + }; - scale.tickFormat = function(count, specifier) { - return tickFormat(domain(), count, specifier); - }; + treemap.tile = function(x) { + return arguments.length ? (tile = required(x), treemap) : tile; + }; - scale.nice = function(count) { - var d = domain(), - i = d.length - 1, - n = count == null ? 10 : count, - start = d[0], - stop = d[i], - step = tickStep(start, stop, n); + treemap.padding = function(x) { + return arguments.length ? treemap.paddingInner(x).paddingOuter(x) : treemap.paddingInner(); + }; - if (step) { - step = tickStep(Math.floor(start / step) * step, Math.ceil(stop / step) * step, n); - d[0] = Math.floor(start / step) * step; - d[i] = Math.ceil(stop / step) * step; - domain(d); - } + treemap.paddingInner = function(x) { + return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$6(+x), treemap) : paddingInner; + }; - return scale; - }; + treemap.paddingOuter = function(x) { + return arguments.length ? treemap.paddingTop(x).paddingRight(x).paddingBottom(x).paddingLeft(x) : treemap.paddingTop(); + }; - return scale; - } + treemap.paddingTop = function(x) { + return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$6(+x), treemap) : paddingTop; + }; - function linear$2() { - var scale = continuous(deinterpolate, interpolateNumber); + treemap.paddingRight = function(x) { + return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$6(+x), treemap) : paddingRight; + }; - scale.copy = function() { - return copy(scale, linear$2()); - }; + treemap.paddingBottom = function(x) { + return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$6(+x), treemap) : paddingBottom; + }; - return linearish(scale); + treemap.paddingLeft = function(x) { + return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$6(+x), treemap) : paddingLeft; + }; + + return treemap; +} + +var binary = function(parent, x0, y0, x1, y1) { + var nodes = parent.children, + i, n = nodes.length, + sum, sums = new Array(n + 1); + + for (sums[0] = sum = i = 0; i < n; ++i) { + sums[i + 1] = sum += nodes[i].value; } - function identity$4() { - var domain = [0, 1]; + partition(0, n, parent.value, x0, y0, x1, y1); - function scale(x) { - return +x; + function partition(i, j, value, x0, y0, x1, y1) { + if (i >= j - 1) { + var node = nodes[i]; + node.x0 = x0, node.y0 = y0; + node.x1 = x1, node.y1 = y1; + return; } - scale.invert = scale; + var valueOffset = sums[i], + valueTarget = (value / 2) + valueOffset, + k = i + 1, + hi = j - 1; - scale.domain = scale.range = function(_) { - return arguments.length ? (domain = map$2.call(_, number$1), scale) : domain.slice(); - }; + while (k < hi) { + var mid = k + hi >>> 1; + if (sums[mid] < valueTarget) k = mid + 1; + else hi = mid; + } - scale.copy = function() { - return identity$4().domain(domain); - }; + var valueLeft = sums[k] - valueOffset, + valueRight = value - valueLeft; - return linearish(scale); + if ((y1 - y0) > (x1 - x0)) { + var yk = (y0 * valueRight + y1 * valueLeft) / value; + partition(i, k, valueLeft, x0, y0, x1, yk); + partition(k, j, valueRight, x0, yk, x1, y1); + } else { + var xk = (x0 * valueRight + x1 * valueLeft) / value; + partition(i, k, valueLeft, x0, y0, xk, y1); + partition(k, j, valueRight, xk, y0, x1, y1); + } } +} - function nice(domain, interval) { - domain = domain.slice(); +var sliceDice = function(parent, x0, y0, x1, y1) { + (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); +} - var i0 = 0, - i1 = domain.length - 1, - x0 = domain[i0], - x1 = domain[i1], - t; +var resquarify = (function custom(ratio) { - if (x1 < x0) { - t = i0, i0 = i1, i1 = t; - t = x0, x0 = x1, x1 = t; + function resquarify(parent, x0, y0, x1, y1) { + if ((rows = parent._squarify) && (rows.ratio === ratio)) { + var rows, + row, + nodes, + i, + j = -1, + n, + m = rows.length, + value = parent.value; + + while (++j < m) { + row = rows[j], nodes = row.children; + for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value; + if (row.dice) treemapDice(row, x0, y0, x1, y0 += (y1 - y0) * row.value / value); + else treemapSlice(row, x0, y0, x0 += (x1 - x0) * row.value / value, y1); + value -= row.value; + } + } else { + parent._squarify = rows = squarifyRatio(ratio, parent, x0, y0, x1, y1); + rows.ratio = ratio; } - - domain[i0] = interval.floor(x0); - domain[i1] = interval.ceil(x1); - return domain; - } - - function deinterpolate$1(a, b) { - return (b = Math.log(b / a)) - ? function(x) { return Math.log(x / a) / b; } - : constant$3(b); } - function reinterpolate(a, b) { - return a < 0 - ? function(t) { return -Math.pow(-b, t) * Math.pow(-a, 1 - t); } - : function(t) { return Math.pow(b, t) * Math.pow(a, 1 - t); }; - } + resquarify.ratio = function(x) { + return custom((x = +x) > 1 ? x : 1); + }; - function pow10(x) { - return isFinite(x) ? +("1e" + x) : x < 0 ? 0 : x; - } + return resquarify; +})(phi); - function powp(base) { - return base === 10 ? pow10 - : base === Math.E ? Math.exp - : function(x) { return Math.pow(base, x); }; - } +var center$1 = function(x, y) { + var nodes; - function logp(base) { - return base === Math.E ? Math.log - : base === 10 && Math.log10 - || base === 2 && Math.log2 - || (base = Math.log(base), function(x) { return Math.log(x) / base; }); - } + if (x == null) x = 0; + if (y == null) y = 0; - function reflect(f) { - return function(x) { - return -f(-x); - }; - } + function force() { + var i, + n = nodes.length, + node, + sx = 0, + sy = 0; - function log() { - var scale = continuous(deinterpolate$1, reinterpolate).domain([1, 10]), - domain = scale.domain, - base = 10, - logs = logp(10), - pows = powp(10); + for (i = 0; i < n; ++i) { + node = nodes[i], sx += node.x, sy += node.y; + } - function rescale() { - logs = logp(base), pows = powp(base); - if (domain()[0] < 0) logs = reflect(logs), pows = reflect(pows); - return scale; + for (sx = sx / n - x, sy = sy / n - y, i = 0; i < n; ++i) { + node = nodes[i], node.x -= sx, node.y -= sy; } + } - scale.base = function(_) { - return arguments.length ? (base = +_, rescale()) : base; - }; + force.initialize = function(_) { + nodes = _; + }; - scale.domain = function(_) { - return arguments.length ? (domain(_), rescale()) : domain(); - }; + force.x = function(_) { + return arguments.length ? (x = +_, force) : x; + }; - scale.ticks = function(count) { - var d = domain(), - u = d[0], - v = d[d.length - 1], - r; - - if (r = v < u) i = u, u = v, v = i; - - var i = logs(u), - j = logs(v), - p, - k, - t, - n = count == null ? 10 : +count, - z = []; - - if (!(base % 1) && j - i < n) { - i = Math.round(i) - 1, j = Math.round(j) + 1; - if (u > 0) for (; i < j; ++i) { - for (k = 1, p = pows(i); k < base; ++k) { - t = p * k; - if (t < u) continue; - if (t > v) break; - z.push(t); - } - } else for (; i < j; ++i) { - for (k = base - 1, p = pows(i); k >= 1; --k) { - t = p * k; - if (t < u) continue; - if (t > v) break; - z.push(t); - } - } - } else { - z = ticks(i, j, Math.min(j - i, n)).map(pows); - } + force.y = function(_) { + return arguments.length ? (y = +_, force) : y; + }; - return r ? z.reverse() : z; - }; + return force; +} - scale.tickFormat = function(count, specifier) { - if (specifier == null) specifier = base === 10 ? ".0e" : ","; - if (typeof specifier !== "function") specifier = exports.format(specifier); - if (count === Infinity) return specifier; - if (count == null) count = 10; - var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate? - return function(d) { - var i = d / pows(Math.round(logs(d))); - if (i * base < base - 0.5) i *= base; - return i <= k ? specifier(d) : ""; - }; - }; +var constant$7 = function(x) { + return function() { + return x; + }; +} - scale.nice = function() { - return domain(nice(domain(), { - floor: function(x) { return pows(Math.floor(logs(x))); }, - ceil: function(x) { return pows(Math.ceil(logs(x))); } - })); - }; +var jiggle = function() { + return (Math.random() - 0.5) * 1e-6; +} - scale.copy = function() { - return copy(scale, log().base(base)); - }; +function x$1(d) { + return d.x + d.vx; +} - return scale; - } +function y$1(d) { + return d.y + d.vy; +} - function raise(x, exponent) { - return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); - } +var collide = function(radius) { + var nodes, + radii, + strength = 1, + iterations = 1; - function pow() { - var exponent = 1, - scale = continuous(deinterpolate, reinterpolate), - domain = scale.domain; + if (typeof radius !== "function") radius = constant$7(radius == null ? 1 : +radius); - function deinterpolate(a, b) { - return (b = raise(b, exponent) - (a = raise(a, exponent))) - ? function(x) { return (raise(x, exponent) - a) / b; } - : constant$3(b); - } + function force() { + var i, n = nodes.length, + tree, + node, + xi, + yi, + ri, + ri2; - function reinterpolate(a, b) { - b = raise(b, exponent) - (a = raise(a, exponent)); - return function(t) { return raise(a + b * t, 1 / exponent); }; + for (var k = 0; k < iterations; ++k) { + tree = quadtree(nodes, x$1, y$1).visitAfter(prepare); + for (i = 0; i < n; ++i) { + node = nodes[i]; + ri = radii[i], ri2 = ri * ri; + xi = node.x + node.vx; + yi = node.y + node.vy; + tree.visit(apply); + } + } + + function apply(quad, x0, y0, x1, y1) { + var data = quad.data, rj = quad.r, r = ri + rj; + if (data) { + if (data.index > i) { + var x = xi - data.x - data.vx, + y = yi - data.y - data.vy, + l = x * x + y * y; + if (l < r * r) { + if (x === 0) x = jiggle(), l += x * x; + if (y === 0) y = jiggle(), l += y * y; + l = (r - (l = Math.sqrt(l))) / l * strength; + node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj)); + node.vy += (y *= l) * r; + data.vx -= x * (r = 1 - r); + data.vy -= y * r; + } + } + return; + } + return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r; } - - scale.exponent = function(_) { - return arguments.length ? (exponent = +_, domain(domain())) : exponent; - }; - - scale.copy = function() { - return copy(scale, pow().exponent(exponent)); - }; - - return linearish(scale); } - function sqrt() { - return pow().exponent(0.5); + function prepare(quad) { + if (quad.data) return quad.r = radii[quad.data.index]; + for (var i = quad.r = 0; i < 4; ++i) { + if (quad[i] && quad[i].r > quad.r) { + quad.r = quad[i].r; + } + } } - function quantile() { - var domain = [], - range = [], - thresholds = []; + force.initialize = function(_) { + var i, n = (nodes = _).length; radii = new Array(n); + for (i = 0; i < n; ++i) radii[i] = +radius(nodes[i], i, nodes); + }; - function rescale() { - var i = 0, n = Math.max(1, range.length); - thresholds = new Array(n - 1); - while (++i < n) thresholds[i - 1] = threshold(domain, i / n); - return scale; - } + force.iterations = function(_) { + return arguments.length ? (iterations = +_, force) : iterations; + }; - function scale(x) { - if (!isNaN(x = +x)) return range[bisectRight(thresholds, x)]; - } + force.strength = function(_) { + return arguments.length ? (strength = +_, force) : strength; + }; - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return i < 0 ? [NaN, NaN] : [ - i > 0 ? thresholds[i - 1] : domain[0], - i < thresholds.length ? thresholds[i] : domain[domain.length - 1] - ]; - }; + force.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), force) : radius; + }; - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = []; - for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); - domain.sort(ascending); - return rescale(); - }; + return force; +} - scale.range = function(_) { - return arguments.length ? (range = slice$3.call(_), rescale()) : range.slice(); - }; +function index$2(d, i) { + return i; +} - scale.quantiles = function() { - return thresholds.slice(); - }; +var link = function(links) { + var id = index$2, + strength = defaultStrength, + strengths, + distance = constant$7(30), + distances, + nodes, + count, + bias, + iterations = 1; - scale.copy = function() { - return quantile() - .domain(domain) - .range(range); - }; + if (links == null) links = []; - return scale; + function defaultStrength(link) { + return 1 / Math.min(count[link.source.index], count[link.target.index]); } - function quantize$1() { - var x0 = 0, - x1 = 1, - n = 1, - domain = [0.5], - range = [0, 1]; - - function scale(x) { - if (x <= x) return range[bisectRight(domain, x, 0, n)]; + function force(alpha) { + for (var k = 0, n = links.length; k < iterations; ++k) { + for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) { + link = links[i], source = link.source, target = link.target; + x = target.x + target.vx - source.x - source.vx || jiggle(); + y = target.y + target.vy - source.y - source.vy || jiggle(); + l = Math.sqrt(x * x + y * y); + l = (l - distances[i]) / l * alpha * strengths[i]; + x *= l, y *= l; + target.vx -= x * (b = bias[i]); + target.vy -= y * b; + source.vx += x * (b = 1 - b); + source.vy += y * b; + } } + } - function rescale() { - var i = -1; - domain = new Array(n); - while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1); - return scale; - } + function initialize() { + if (!nodes) return; - scale.domain = function(_) { - return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1]; - }; + var i, + n = nodes.length, + m = links.length, + nodeById = map$1(nodes, id), + link; - scale.range = function(_) { - return arguments.length ? (n = (range = slice$3.call(_)).length - 1, rescale()) : range.slice(); - }; + for (i = 0, count = new Array(n); i < n; ++i) { + count[i] = 0; + } - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return i < 0 ? [NaN, NaN] - : i < 1 ? [x0, domain[0]] - : i >= n ? [domain[n - 1], x1] - : [domain[i - 1], domain[i]]; - }; + for (i = 0; i < m; ++i) { + link = links[i], link.index = i; + if (typeof link.source !== "object") link.source = nodeById.get(link.source); + if (typeof link.target !== "object") link.target = nodeById.get(link.target); + ++count[link.source.index], ++count[link.target.index]; + } - scale.copy = function() { - return quantize$1() - .domain([x0, x1]) - .range(range); - }; + for (i = 0, bias = new Array(m); i < m; ++i) { + link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]); + } - return linearish(scale); + strengths = new Array(m), initializeStrength(); + distances = new Array(m), initializeDistance(); } - function threshold$1() { - var domain = [0.5], - range = [0, 1], - n = 1; + function initializeStrength() { + if (!nodes) return; - function scale(x) { - if (x <= x) return range[bisectRight(domain, x, 0, n)]; + for (var i = 0, n = links.length; i < n; ++i) { + strengths[i] = +strength(links[i], i, links); } + } - scale.domain = function(_) { - return arguments.length ? (domain = slice$3.call(_), n = Math.min(domain.length, range.length - 1), scale) : domain.slice(); - }; + function initializeDistance() { + if (!nodes) return; - scale.range = function(_) { - return arguments.length ? (range = slice$3.call(_), n = Math.min(domain.length, range.length - 1), scale) : range.slice(); - }; + for (var i = 0, n = links.length; i < n; ++i) { + distances[i] = +distance(links[i], i, links); + } + } - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return [domain[i - 1], domain[i]]; - }; + force.initialize = function(_) { + nodes = _; + initialize(); + }; - scale.copy = function() { - return threshold$1() - .domain(domain) - .range(range); - }; + force.links = function(_) { + return arguments.length ? (links = _, initialize(), force) : links; + }; - return scale; - } + force.id = function(_) { + return arguments.length ? (id = _, force) : id; + }; -var durationSecond$1 = 1000; -var durationMinute$1 = durationSecond$1 * 60; -var durationHour$1 = durationMinute$1 * 60; -var durationDay$1 = durationHour$1 * 24; -var durationWeek$1 = durationDay$1 * 7; - var durationMonth = durationDay$1 * 30; - var durationYear = durationDay$1 * 365; - function date$1(t) { - return new Date(t); - } - - function number$2(t) { - return t instanceof Date ? +t : +new Date(+t); - } - - function calendar(year, month, week, day, hour, minute, second, millisecond, format) { - var scale = continuous(deinterpolate, interpolateNumber), - invert = scale.invert, - domain = scale.domain; - - var formatMillisecond = format(".%L"), - formatSecond = format(":%S"), - formatMinute = format("%I:%M"), - formatHour = format("%I %p"), - formatDay = format("%a %d"), - formatWeek = format("%b %d"), - formatMonth = format("%B"), - formatYear = format("%Y"); - - var tickIntervals = [ - [second, 1, durationSecond$1], - [second, 5, 5 * durationSecond$1], - [second, 15, 15 * durationSecond$1], - [second, 30, 30 * durationSecond$1], - [minute, 1, durationMinute$1], - [minute, 5, 5 * durationMinute$1], - [minute, 15, 15 * durationMinute$1], - [minute, 30, 30 * durationMinute$1], - [ hour, 1, durationHour$1 ], - [ hour, 3, 3 * durationHour$1 ], - [ hour, 6, 6 * durationHour$1 ], - [ hour, 12, 12 * durationHour$1 ], - [ day, 1, durationDay$1 ], - [ day, 2, 2 * durationDay$1 ], - [ week, 1, durationWeek$1 ], - [ month, 1, durationMonth ], - [ month, 3, 3 * durationMonth ], - [ year, 1, durationYear ] - ]; + force.iterations = function(_) { + return arguments.length ? (iterations = +_, force) : iterations; + }; - function tickFormat(date) { - return (second(date) < date ? formatMillisecond - : minute(date) < date ? formatSecond - : hour(date) < date ? formatMinute - : day(date) < date ? formatHour - : month(date) < date ? (week(date) < date ? formatDay : formatWeek) - : year(date) < date ? formatMonth - : formatYear)(date); - } - - function tickInterval(interval, start, stop, step) { - if (interval == null) interval = 10; - - // If a desired tick count is specified, pick a reasonable tick interval - // based on the extent of the domain and a rough estimate of tick size. - // Otherwise, assume interval is already a time interval and use it. - if (typeof interval === "number") { - var target = Math.abs(stop - start) / interval, - i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); - if (i === tickIntervals.length) { - step = tickStep(start / durationYear, stop / durationYear, interval); - interval = year; - } else if (i) { - i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; - step = i[1]; - interval = i[0]; - } else { - step = tickStep(start, stop, interval); - interval = millisecond; - } - } + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initializeStrength(), force) : strength; + }; - return step == null ? interval : interval.every(step); - } + force.distance = function(_) { + return arguments.length ? (distance = typeof _ === "function" ? _ : constant$7(+_), initializeDistance(), force) : distance; + }; - scale.invert = function(y) { - return new Date(invert(y)); - }; + return force; +} - scale.domain = function(_) { - return arguments.length ? domain(map$2.call(_, number$2)) : domain().map(date$1); - }; +function x$2(d) { + return d.x; +} - scale.ticks = function(interval, step) { - var d = domain(), - t0 = d[0], - t1 = d[d.length - 1], - r = t1 < t0, - t; - if (r) t = t0, t0 = t1, t1 = t; - t = tickInterval(interval, t0, t1, step); - t = t ? t.range(t0, t1 + 1) : []; // inclusive stop - return r ? t.reverse() : t; - }; +function y$2(d) { + return d.y; +} - scale.tickFormat = function(count, specifier) { - return specifier == null ? tickFormat : format(specifier); - }; +var initialRadius = 10; +var initialAngle = Math.PI * (3 - Math.sqrt(5)); - scale.nice = function(interval, step) { - var d = domain(); - return (interval = tickInterval(interval, d[0], d[d.length - 1], step)) - ? domain(nice(d, interval)) - : scale; - }; +var simulation = function(nodes) { + var simulation, + alpha = 1, + alphaMin = 0.001, + alphaDecay = 1 - Math.pow(alphaMin, 1 / 300), + alphaTarget = 0, + velocityDecay = 0.6, + forces = map$1(), + stepper = timer(step), + event = dispatch("tick", "end"); - scale.copy = function() { - return copy(scale, calendar(year, month, week, day, hour, minute, second, millisecond, format)); - }; + if (nodes == null) nodes = []; - return scale; + function step() { + tick(); + event.call("tick", simulation); + if (alpha < alphaMin) { + stepper.stop(); + event.call("end", simulation); + } } - function time() { - return calendar(year, month, timeWeek, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]); - } + function tick() { + var i, n = nodes.length, node; - function utcTime() { - return calendar(utcYear, utcMonth, utcWeek, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); - } + alpha += (alphaTarget - alpha) * alphaDecay; - function colors(s) { - return s.match(/.{6}/g).map(function(x) { - return "#" + x; + forces.each(function(force) { + force(alpha); }); + + for (i = 0; i < n; ++i) { + node = nodes[i]; + if (node.fx == null) node.x += node.vx *= velocityDecay; + else node.x = node.fx, node.vx = 0; + if (node.fy == null) node.y += node.vy *= velocityDecay; + else node.y = node.fy, node.vy = 0; + } } - var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); + function initializeNodes() { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.index = i; + if (isNaN(node.x) || isNaN(node.y)) { + var radius = initialRadius * Math.sqrt(i), angle = i * initialAngle; + node.x = radius * Math.cos(angle); + node.y = radius * Math.sin(angle); + } + if (isNaN(node.vx) || isNaN(node.vy)) { + node.vx = node.vy = 0; + } + } + } - var category20b = colors("393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6"); + function initializeForce(force) { + if (force.initialize) force.initialize(nodes); + return force; + } - var category20c = colors("3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9"); + initializeNodes(); - var category20 = colors("1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5"); + return simulation = { + tick: tick, - var cubehelix$3 = interpolateCubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); + restart: function() { + return stepper.restart(step), simulation; + }, - var warm = interpolateCubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); + stop: function() { + return stepper.stop(), simulation; + }, - var cool = interpolateCubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); + nodes: function(_) { + return arguments.length ? (nodes = _, initializeNodes(), forces.each(initializeForce), simulation) : nodes; + }, - var rainbow = cubehelix(); + alpha: function(_) { + return arguments.length ? (alpha = +_, simulation) : alpha; + }, - function rainbow$1(t) { - if (t < 0 || t > 1) t -= Math.floor(t); - var ts = Math.abs(t - 0.5); - rainbow.h = 360 * t - 100; - rainbow.s = 1.5 - 1.5 * ts; - rainbow.l = 0.8 - 0.9 * ts; - return rainbow + ""; - } + alphaMin: function(_) { + return arguments.length ? (alphaMin = +_, simulation) : alphaMin; + }, - function ramp(range) { - var n = range.length; - return function(t) { - return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; - }; - } + alphaDecay: function(_) { + return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay; + }, - var viridis = ramp(colors("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")); + alphaTarget: function(_) { + return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget; + }, - var magma = ramp(colors("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")); + velocityDecay: function(_) { + return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay; + }, - var inferno = ramp(colors("00000401000501010601010802010a02020c02020e03021004031204031405041706041907051b08051d09061f0a07220b07240c08260d08290e092b10092d110a30120a32140b34150b37160b39180c3c190c3e1b0c411c0c431e0c451f0c48210c4a230c4c240c4f260c51280b53290b552b0b572d0b592f0a5b310a5c320a5e340a5f3609613809623909633b09643d09653e0966400a67420a68440a68450a69470b6a490b6a4a0c6b4c0c6b4d0d6c4f0d6c510e6c520e6d540f6d550f6d57106e59106e5a116e5c126e5d126e5f136e61136e62146e64156e65156e67166e69166e6a176e6c186e6d186e6f196e71196e721a6e741a6e751b6e771c6d781c6d7a1d6d7c1d6d7d1e6d7f1e6c801f6c82206c84206b85216b87216b88226a8a226a8c23698d23698f24699025689225689326679526679727669827669a28659b29649d29649f2a63a02a63a22b62a32c61a52c60a62d60a82e5fa92e5eab2f5ead305dae305cb0315bb1325ab3325ab43359b63458b73557b93556ba3655bc3754bd3853bf3952c03a51c13a50c33b4fc43c4ec63d4dc73e4cc83f4bca404acb4149cc4248ce4347cf4446d04545d24644d34743d44842d54a41d74b3fd84c3ed94d3dda4e3cdb503bdd513ade5238df5337e05536e15635e25734e35933e45a31e55c30e65d2fe75e2ee8602de9612bea632aeb6429eb6628ec6726ed6925ee6a24ef6c23ef6e21f06f20f1711ff1731df2741cf3761bf37819f47918f57b17f57d15f67e14f68013f78212f78410f8850ff8870ef8890cf98b0bf98c0af98e09fa9008fa9207fa9407fb9606fb9706fb9906fb9b06fb9d07fc9f07fca108fca309fca50afca60cfca80dfcaa0ffcac11fcae12fcb014fcb216fcb418fbb61afbb81dfbba1ffbbc21fbbe23fac026fac228fac42afac62df9c72ff9c932f9cb35f8cd37f8cf3af7d13df7d340f6d543f6d746f5d949f5db4cf4dd4ff4df53f4e156f3e35af3e55df2e661f2e865f2ea69f1ec6df1ed71f1ef75f1f179f2f27df2f482f3f586f3f68af4f88ef5f992f6fa96f8fb9af9fc9dfafda1fcffa4")); + force: function(name, _) { + return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); + }, - var plasma = ramp(colors("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")); + find: function(x, y, radius) { + var i = 0, + n = nodes.length, + dx, + dy, + d2, + node, + closest; - function sequential(interpolator) { - var x0 = 0, - x1 = 1, - clamp = false; + if (radius == null) radius = Infinity; + else radius *= radius; - function scale(x) { - var t = (x - x0) / (x1 - x0); - return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t); - } + for (i = 0; i < n; ++i) { + node = nodes[i]; + dx = x - node.x; + dy = y - node.y; + d2 = dx * dx + dy * dy; + if (d2 < radius) closest = node, radius = d2; + } - scale.domain = function(_) { - return arguments.length ? (x0 = +_[0], x1 = +_[1], scale) : [x0, x1]; - }; + return closest; + }, - scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, scale) : clamp; - }; + on: function(name, _) { + return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); + } + }; +} - scale.interpolator = function(_) { - return arguments.length ? (interpolator = _, scale) : interpolator; - }; +var manyBody = function() { + var nodes, + node, + alpha, + strength = constant$7(-30), + strengths, + distanceMin2 = 1, + distanceMax2 = Infinity, + theta2 = 0.81; - scale.copy = function() { - return sequential(interpolator).domain([x0, x1]).clamp(clamp); - }; + function force(_) { + var i, n = nodes.length, tree = quadtree(nodes, x$2, y$2).visitAfter(accumulate); + for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); + } - return linearish(scale); + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + for (i = 0; i < n; ++i) strengths[i] = +strength(nodes[i], i, nodes); } - var xhtml = "http://www.w3.org/1999/xhtml"; + function accumulate(quad) { + var strength = 0, q, c, x$$1, y$$1, i; - var namespaces = { - svg: "http://www.w3.org/2000/svg", - xhtml: xhtml, - xlink: "http://www.w3.org/1999/xlink", - xml: "http://www.w3.org/XML/1998/namespace", - xmlns: "http://www.w3.org/2000/xmlns/" - }; + // For internal nodes, accumulate forces from child quadrants. + if (quad.length) { + for (x$$1 = y$$1 = i = 0; i < 4; ++i) { + if ((q = quad[i]) && (c = q.value)) { + strength += c, x$$1 += c * q.x, y$$1 += c * q.y; + } + } + quad.x = x$$1 / strength; + quad.y = y$$1 / strength; + } - function namespace(name) { - var prefix = name += "", i = prefix.indexOf(":"); - if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); - return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; - } + // For leaf nodes, accumulate forces from coincident quadrants. + else { + q = quad; + q.x = q.data.x; + q.y = q.data.y; + do strength += strengths[q.data.index]; + while (q = q.next); + } - function creatorInherit(name) { - return function() { - var document = this.ownerDocument, - uri = this.namespaceURI; - return uri === xhtml && document.documentElement.namespaceURI === xhtml - ? document.createElement(name) - : document.createElementNS(uri, name); - }; + quad.value = strength; } - function creatorFixed(fullname) { - return function() { - return this.ownerDocument.createElementNS(fullname.space, fullname.local); - }; - } + function apply(quad, x1, _, x2) { + if (!quad.value) return true; - function creator(name) { - var fullname = namespace(name); - return (fullname.local - ? creatorFixed - : creatorInherit)(fullname); - } + var x$$1 = quad.x - node.x, + y$$1 = quad.y - node.y, + w = x2 - x1, + l = x$$1 * x$$1 + y$$1 * y$$1; + + // Apply the Barnes-Hut approximation if possible. + // Limit forces for very close nodes; randomize direction if coincident. + if (w * w / theta2 < l) { + if (l < distanceMax2) { + if (x$$1 === 0) x$$1 = jiggle(), l += x$$1 * x$$1; + if (y$$1 === 0) y$$1 = jiggle(), l += y$$1 * y$$1; + if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); + node.vx += x$$1 * quad.value * alpha / l; + node.vy += y$$1 * quad.value * alpha / l; + } + return true; + } - var nextId = 0; + // Otherwise, process points directly. + else if (quad.length || l >= distanceMax2) return; - function local() { - return new Local; - } + // Limit forces for very close nodes; randomize direction if coincident. + if (quad.data !== node || quad.next) { + if (x$$1 === 0) x$$1 = jiggle(), l += x$$1 * x$$1; + if (y$$1 === 0) y$$1 = jiggle(), l += y$$1 * y$$1; + if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); + } - function Local() { - this._ = "@" + (++nextId).toString(36); + do if (quad.data !== node) { + w = strengths[quad.data.index] * alpha / l; + node.vx += x$$1 * w; + node.vy += y$$1 * w; + } while (quad = quad.next); } - Local.prototype = local.prototype = { - constructor: Local, - get: function(node) { - var id = this._; - while (!(id in node)) if (!(node = node.parentNode)) return; - return node[id]; - }, - set: function(node, value) { - return node[this._] = value; - }, - remove: function(node) { - return this._ in node && delete node[this._]; - }, - toString: function() { - return this._; - } + force.initialize = function(_) { + nodes = _; + initialize(); }; - var matcher = function(selector) { - return function() { - return this.matches(selector); - }; + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; }; - if (typeof document !== "undefined") { - var element = document.documentElement; - if (!element.matches) { - var vendorMatches = element.webkitMatchesSelector - || element.msMatchesSelector - || element.mozMatchesSelector - || element.oMatchesSelector; - matcher = function(selector) { - return function() { - return vendorMatches.call(this, selector); - }; - }; - } - } + force.distanceMin = function(_) { + return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2); + }; - var matcher$1 = matcher; + force.distanceMax = function(_) { + return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2); + }; - var filterEvents = {}; + force.theta = function(_) { + return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2); + }; - exports.event = null; + return force; +} - if (typeof document !== "undefined") { - var element$1 = document.documentElement; - if (!("onmouseenter" in element$1)) { - filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; - } - } +var x$3 = function(x) { + var strength = constant$7(0.1), + nodes, + strengths, + xz; - function filterContextListener(listener, index, group) { - listener = contextListener(listener, index, group); - return function(event) { - var related = event.relatedTarget; - if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { - listener.call(this, event); - } - }; - } + if (typeof x !== "function") x = constant$7(x == null ? 0 : +x); - function contextListener(listener, index, group) { - return function(event1) { - var event0 = exports.event; // Events can be reentrant (e.g., focus). - exports.event = event1; - try { - listener.call(this, this.__data__, index, group); - } finally { - exports.event = event0; - } - }; + function force(alpha) { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha; + } } - function parseTypenames$1(typenames) { - return typenames.trim().split(/^|\s+/).map(function(t) { - var name = "", i = t.indexOf("."); - if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); - return {type: t, name: name}; - }); + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + xz = new Array(n); + for (i = 0; i < n; ++i) { + strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + } } - function onRemove(typename) { - return function() { - var on = this.__on; - if (!on) return; - for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { - if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); - } else { - on[++i] = o; - } - } - if (++i) on.length = i; - else delete this.__on; - }; - } + force.initialize = function(_) { + nodes = _; + initialize(); + }; - function onAdd(typename, value, capture) { - var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; - return function(d, i, group) { - var on = this.__on, o, listener = wrap(value, i, group); - if (on) for (var j = 0, m = on.length; j < m; ++j) { - if ((o = on[j]).type === typename.type && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); - this.addEventListener(o.type, o.listener = listener, o.capture = capture); - o.value = value; - return; - } - } - this.addEventListener(typename.type, listener, capture); - o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; - if (!on) this.__on = [o]; - else on.push(o); - }; - } + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; + }; - function selection_on(typename, value, capture) { - var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t; + force.x = function(_) { + return arguments.length ? (x = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : x; + }; - if (arguments.length < 2) { - var on = this.node().__on; - if (on) for (var j = 0, m = on.length, o; j < m; ++j) { - for (i = 0, o = on[j]; i < n; ++i) { - if ((t = typenames[i]).type === o.type && t.name === o.name) { - return o.value; - } - } - } - return; - } + return force; +} - on = value ? onAdd : onRemove; - if (capture == null) capture = false; - for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); - return this; - } +var y$3 = function(y) { + var strength = constant$7(0.1), + nodes, + strengths, + yz; - function customEvent(event1, listener, that, args) { - var event0 = exports.event; - event1.sourceEvent = exports.event; - exports.event = event1; - try { - return listener.apply(that, args); - } finally { - exports.event = event0; - } - } + if (typeof y !== "function") y = constant$7(y == null ? 0 : +y); - function sourceEvent() { - var current = exports.event, source; - while (source = current.sourceEvent) current = source; - return current; + function force(alpha) { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha; + } } - function point$5(node, event) { - var svg = node.ownerSVGElement || node; - - if (svg.createSVGPoint) { - var point = svg.createSVGPoint(); - point.x = event.clientX, point.y = event.clientY; - point = point.matrixTransform(node.getScreenCTM().inverse()); - return [point.x, point.y]; + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + yz = new Array(n); + for (i = 0; i < n; ++i) { + strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); } - - var rect = node.getBoundingClientRect(); - return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; } - function mouse(node) { - var event = sourceEvent(); - if (event.changedTouches) event = event.changedTouches[0]; - return point$5(node, event); - } + force.initialize = function(_) { + nodes = _; + initialize(); + }; - function none$2() {} + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; + }; - function selector(selector) { - return selector == null ? none$2 : function() { - return this.querySelector(selector); - }; - } + force.y = function(_) { + return arguments.length ? (y = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : y; + }; - function selection_select(select) { - if (typeof select !== "function") select = selector(select); + return force; +} + +function nopropagation() { + exports.event.stopImmediatePropagation(); +} + +var noevent = function() { + exports.event.preventDefault(); + exports.event.stopImmediatePropagation(); +} + +var dragDisable = function(view) { + var root = view.document.documentElement, + selection$$1 = select(view).on("dragstart.drag", noevent, true); + if ("onselectstart" in root) { + selection$$1.on("selectstart.drag", noevent, true); + } else { + root.__noselect = root.style.MozUserSelect; + root.style.MozUserSelect = "none"; + } +} + +function yesdrag(view, noclick) { + var root = view.document.documentElement, + selection$$1 = select(view).on("dragstart.drag", null); + if (noclick) { + selection$$1.on("click.drag", noevent, true); + setTimeout(function() { selection$$1.on("click.drag", null); }, 0); + } + if ("onselectstart" in root) { + selection$$1.on("selectstart.drag", null); + } else { + root.style.MozUserSelect = root.__noselect; + delete root.__noselect; + } +} + +var constant$8 = function(x) { + return function() { + return x; + }; +} + +function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) { + this.target = target; + this.type = type; + this.subject = subject; + this.identifier = id; + this.active = active; + this.x = x; + this.y = y; + this.dx = dx; + this.dy = dy; + this._ = dispatch; +} + +DragEvent.prototype.on = function() { + var value = this._.on.apply(this._, arguments); + return value === this._ ? this : value; +}; + +// Ignore right-click, since that should open the context menu. +function defaultFilter() { + return !exports.event.button; +} + +function defaultContainer() { + return this.parentNode; +} + +function defaultSubject(d) { + return d == null ? {x: exports.event.x, y: exports.event.y} : d; +} + +var drag = function() { + var filter = defaultFilter, + container = defaultContainer, + subject = defaultSubject, + gestures = {}, + listeners = dispatch("start", "drag", "end"), + active = 0, + mousemoving, + touchending; + + function drag(selection$$1) { + selection$$1 + .on("mousedown.drag", mousedowned) + .on("touchstart.drag", touchstarted) + .on("touchmove.drag", touchmoved) + .on("touchend.drag touchcancel.drag", touchended) + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); + } + + function mousedowned() { + if (touchending || !filter.apply(this, arguments)) return; + var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments); + if (!gesture) return; + select(exports.event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); + dragDisable(exports.event.view); + nopropagation(); + mousemoving = false; + gesture("start"); + } + + function mousemoved() { + noevent(); + mousemoving = true; + gestures.mouse("drag"); + } + + function mouseupped() { + select(exports.event.view).on("mousemove.drag mouseup.drag", null); + yesdrag(exports.event.view, mousemoving); + noevent(); + gestures.mouse("end"); + } + + function touchstarted() { + if (!filter.apply(this, arguments)) return; + var touches$$1 = exports.event.changedTouches, + c = container.apply(this, arguments), + n = touches$$1.length, i, gesture; - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { - if ("__data__" in node) subnode.__data__ = node.__data__; - subgroup[i] = subnode; - } + for (i = 0; i < n; ++i) { + if (gesture = beforestart(touches$$1[i].identifier, c, touch, this, arguments)) { + nopropagation(); + gesture("start"); } } - - return new Selection(subgroups, this._parents); - } - - function empty() { - return []; - } - - function selectorAll(selector) { - return selector == null ? empty : function() { - return this.querySelectorAll(selector); - }; } - function selection_selectAll(select) { - if (typeof select !== "function") select = selectorAll(select); + function touchmoved() { + var touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, gesture; - for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - subgroups.push(select.call(node, node.__data__, i, group)); - parents.push(node); - } + for (i = 0; i < n; ++i) { + if (gesture = gestures[touches$$1[i].identifier]) { + noevent(); + gesture("drag"); } } - - return new Selection(subgroups, parents); } - function selection_filter(match) { - if (typeof match !== "function") match = matcher$1(match); + function touchended() { + var touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, gesture; - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { - if ((node = group[i]) && match.call(node, node.__data__, i, group)) { - subgroup.push(node); - } + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! + for (i = 0; i < n; ++i) { + if (gesture = gestures[touches$$1[i].identifier]) { + nopropagation(); + gesture("end"); } } - - return new Selection(subgroups, this._parents); } - function sparse(update) { - return new Array(update.length); - } + function beforestart(id, container, point, that, args) { + var p = point(container, id), s, dx, dy, + sublisteners = listeners.copy(); - function selection_enter() { - return new Selection(this._enter || this._groups.map(sparse), this._parents); - } + if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { + if ((exports.event.subject = s = subject.apply(that, args)) == null) return false; + dx = s.x - p[0] || 0; + dy = s.y - p[1] || 0; + return true; + })) return; - function EnterNode(parent, datum) { - this.ownerDocument = parent.ownerDocument; - this.namespaceURI = parent.namespaceURI; - this._next = null; - this._parent = parent; - this.__data__ = datum; + return function gesture(type) { + var p0 = p, n; + switch (type) { + case "start": gestures[id] = gesture, n = active++; break; + case "end": delete gestures[id], --active; // nobreak + case "drag": p = point(container, id), n = active; break; + } + customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); + }; } - EnterNode.prototype = { - constructor: EnterNode, - appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, - insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, - querySelector: function(selector) { return this._parent.querySelector(selector); }, - querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } + drag.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$8(!!_), drag) : filter; }; - function constant$4(x) { - return function() { - return x; - }; - } + drag.container = function(_) { + return arguments.length ? (container = typeof _ === "function" ? _ : constant$8(_), drag) : container; + }; - var keyPrefix = "$"; // Protect against keys like “__proto__”. + drag.subject = function(_) { + return arguments.length ? (subject = typeof _ === "function" ? _ : constant$8(_), drag) : subject; + }; - function bindIndex(parent, group, enter, update, exit, data) { - var i = 0, - node, - groupLength = group.length, - dataLength = data.length; + drag.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? drag : value; + }; - // Put any non-null nodes that fit into update. - // Put any null nodes into enter. - // Put any remaining data into enter. - for (; i < dataLength; ++i) { - if (node = group[i]) { - node.__data__ = data[i]; - update[i] = node; + return drag; +} + +var constant$9 = function(x) { + return function() { + return x; + }; +} + +function x$4(d) { + return d[0]; +} + +function y$4(d) { + return d[1]; +} + +function RedBlackTree() { + this._ = null; // root node +} + +function RedBlackNode(node) { + node.U = // parent node + node.C = // color - true for red, false for black + node.L = // left node + node.R = // right node + node.P = // previous node + node.N = null; // next node +} + +RedBlackTree.prototype = { + constructor: RedBlackTree, + + insert: function(after, node) { + var parent, grandpa, uncle; + + if (after) { + node.P = after; + node.N = after.N; + if (after.N) after.N.P = node; + after.N = node; + if (after.R) { + after = after.R; + while (after.L) after = after.L; + after.L = node; + } else { + after.R = node; + } + parent = after; + } else if (this._) { + after = RedBlackFirst(this._); + node.P = null; + node.N = after; + after.P = after.L = node; + parent = after; + } else { + node.P = node.N = null; + this._ = node; + parent = null; + } + node.L = node.R = null; + node.U = parent; + node.C = true; + + after = node; + while (parent && parent.C) { + grandpa = parent.U; + if (parent === grandpa.L) { + uncle = grandpa.R; + if (uncle && uncle.C) { + parent.C = uncle.C = false; + grandpa.C = true; + after = grandpa; + } else { + if (after === parent.R) { + RedBlackRotateLeft(this, parent); + after = parent; + parent = after.U; + } + parent.C = false; + grandpa.C = true; + RedBlackRotateRight(this, grandpa); + } } else { - enter[i] = new EnterNode(parent, data[i]); + uncle = grandpa.L; + if (uncle && uncle.C) { + parent.C = uncle.C = false; + grandpa.C = true; + after = grandpa; + } else { + if (after === parent.L) { + RedBlackRotateRight(this, parent); + after = parent; + parent = after.U; + } + parent.C = false; + grandpa.C = true; + RedBlackRotateLeft(this, grandpa); + } } + parent = after.U; } + this._.C = false; + }, - // Put any non-null nodes that don’t fit into exit. - for (; i < groupLength; ++i) { - if (node = group[i]) { - exit[i] = node; + remove: function(node) { + if (node.N) node.N.P = node.P; + if (node.P) node.P.N = node.N; + node.N = node.P = null; + + var parent = node.U, + sibling, + left = node.L, + right = node.R, + next, + red; + + if (!left) next = right; + else if (!right) next = left; + else next = RedBlackFirst(right); + + if (parent) { + if (parent.L === node) parent.L = next; + else parent.R = next; + } else { + this._ = next; + } + + if (left && right) { + red = next.C; + next.C = node.C; + next.L = left; + left.U = next; + if (next !== right) { + parent = next.U; + next.U = node.U; + node = next.R; + parent.L = node; + next.R = right; + right.U = next; + } else { + next.U = parent; + parent = next; + node = next.R; } + } else { + red = node.C; + node = next; } - } - function bindKey(parent, group, enter, update, exit, data, key) { - var i, - node, - nodeByKeyValue = {}, - groupLength = group.length, - dataLength = data.length, - keyValues = new Array(groupLength), - keyValue; + if (node) node.U = parent; + if (red) return; + if (node && node.C) { node.C = false; return; } - // Compute the key for each node. - // If multiple nodes have the same key, the duplicates are added to exit. - for (i = 0; i < groupLength; ++i) { - if (node = group[i]) { - keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group); - if (keyValue in nodeByKeyValue) { - exit[i] = node; - } else { - nodeByKeyValue[keyValue] = node; + do { + if (node === this._) break; + if (node === parent.L) { + sibling = parent.R; + if (sibling.C) { + sibling.C = false; + parent.C = true; + RedBlackRotateLeft(this, parent); + sibling = parent.R; + } + if ((sibling.L && sibling.L.C) + || (sibling.R && sibling.R.C)) { + if (!sibling.R || !sibling.R.C) { + sibling.L.C = false; + sibling.C = true; + RedBlackRotateRight(this, sibling); + sibling = parent.R; + } + sibling.C = parent.C; + parent.C = sibling.R.C = false; + RedBlackRotateLeft(this, parent); + node = this._; + break; + } + } else { + sibling = parent.L; + if (sibling.C) { + sibling.C = false; + parent.C = true; + RedBlackRotateRight(this, parent); + sibling = parent.L; + } + if ((sibling.L && sibling.L.C) + || (sibling.R && sibling.R.C)) { + if (!sibling.L || !sibling.L.C) { + sibling.R.C = false; + sibling.C = true; + RedBlackRotateLeft(this, sibling); + sibling = parent.L; + } + sibling.C = parent.C; + parent.C = sibling.L.C = false; + RedBlackRotateRight(this, parent); + node = this._; + break; } } - } - - // Compute the key for each datum. - // If there a node associated with this key, join and add it to update. - // If there is not (or the key is a duplicate), add it to enter. - for (i = 0; i < dataLength; ++i) { - keyValue = keyPrefix + key.call(parent, data[i], i, data); - if (node = nodeByKeyValue[keyValue]) { - update[i] = node; - node.__data__ = data[i]; - nodeByKeyValue[keyValue] = null; + sibling.C = true; + node = parent; + parent = parent.U; + } while (!node.C); + + if (node) node.C = false; + } +}; + +function RedBlackRotateLeft(tree, node) { + var p = node, + q = node.R, + parent = p.U; + + if (parent) { + if (parent.L === p) parent.L = q; + else parent.R = q; + } else { + tree._ = q; + } + + q.U = parent; + p.U = q; + p.R = q.L; + if (p.R) p.R.U = p; + q.L = p; +} + +function RedBlackRotateRight(tree, node) { + var p = node, + q = node.L, + parent = p.U; + + if (parent) { + if (parent.L === p) parent.L = q; + else parent.R = q; + } else { + tree._ = q; + } + + q.U = parent; + p.U = q; + p.L = q.R; + if (p.L) p.L.U = p; + q.R = p; +} + +function RedBlackFirst(node) { + while (node.L) node = node.L; + return node; +} + +function createEdge(left, right, v0, v1) { + var edge = [null, null], + index = edges.push(edge) - 1; + edge.left = left; + edge.right = right; + if (v0) setEdgeEnd(edge, left, right, v0); + if (v1) setEdgeEnd(edge, right, left, v1); + cells[left.index].halfedges.push(index); + cells[right.index].halfedges.push(index); + return edge; +} + +function createBorderEdge(left, v0, v1) { + var edge = [v0, v1]; + edge.left = left; + return edge; +} + +function setEdgeEnd(edge, left, right, vertex) { + if (!edge[0] && !edge[1]) { + edge[0] = vertex; + edge.left = left; + edge.right = right; + } else if (edge.left === right) { + edge[1] = vertex; + } else { + edge[0] = vertex; + } +} + +// Liang–Barsky line clipping. +function clipEdge(edge, x0, y0, x1, y1) { + var a = edge[0], + b = edge[1], + ax = a[0], + ay = a[1], + bx = b[0], + by = b[1], + t0 = 0, + t1 = 1, + dx = bx - ax, + dy = by - ay, + r; + + r = x0 - ax; + if (!dx && r > 0) return; + r /= dx; + if (dx < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dx > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = x1 - ax; + if (!dx && r < 0) return; + r /= dx; + if (dx < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dx > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + r = y0 - ay; + if (!dy && r > 0) return; + r /= dy; + if (dy < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dy > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = y1 - ay; + if (!dy && r < 0) return; + r /= dy; + if (dy < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dy > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + if (!(t0 > 0) && !(t1 < 1)) return true; // TODO Better check? + + if (t0 > 0) edge[0] = [ax + t0 * dx, ay + t0 * dy]; + if (t1 < 1) edge[1] = [ax + t1 * dx, ay + t1 * dy]; + return true; +} + +function connectEdge(edge, x0, y0, x1, y1) { + var v1 = edge[1]; + if (v1) return true; + + var v0 = edge[0], + left = edge.left, + right = edge.right, + lx = left[0], + ly = left[1], + rx = right[0], + ry = right[1], + fx = (lx + rx) / 2, + fy = (ly + ry) / 2, + fm, + fb; + + if (ry === ly) { + if (fx < x0 || fx >= x1) return; + if (lx > rx) { + if (!v0) v0 = [fx, y0]; + else if (v0[1] >= y1) return; + v1 = [fx, y1]; + } else { + if (!v0) v0 = [fx, y1]; + else if (v0[1] < y0) return; + v1 = [fx, y0]; + } + } else { + fm = (lx - rx) / (ry - ly); + fb = fy - fm * fx; + if (fm < -1 || fm > 1) { + if (lx > rx) { + if (!v0) v0 = [(y0 - fb) / fm, y0]; + else if (v0[1] >= y1) return; + v1 = [(y1 - fb) / fm, y1]; } else { - enter[i] = new EnterNode(parent, data[i]); + if (!v0) v0 = [(y1 - fb) / fm, y1]; + else if (v0[1] < y0) return; + v1 = [(y0 - fb) / fm, y0]; } - } - - // Add any remaining nodes that were not bound to data to exit. - for (i = 0; i < groupLength; ++i) { - if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) { - exit[i] = node; + } else { + if (ly < ry) { + if (!v0) v0 = [x0, fm * x0 + fb]; + else if (v0[0] >= x1) return; + v1 = [x1, fm * x1 + fb]; + } else { + if (!v0) v0 = [x1, fm * x1 + fb]; + else if (v0[0] < x0) return; + v1 = [x0, fm * x0 + fb]; } } } - function selection_data(value, key) { - if (!value) { - data = new Array(this.size()), j = -1; - this.each(function(d) { data[++j] = d; }); - return data; - } - - var bind = key ? bindKey : bindIndex, - parents = this._parents, - groups = this._groups; - - if (typeof value !== "function") value = constant$4(value); + edge[0] = v0; + edge[1] = v1; + return true; +} - for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) { - var parent = parents[j], - group = groups[j], - groupLength = group.length, - data = value.call(parent, parent && parent.__data__, j, parents), - dataLength = data.length, - enterGroup = enter[j] = new Array(dataLength), - updateGroup = update[j] = new Array(dataLength), - exitGroup = exit[j] = new Array(groupLength); +function clipEdges(x0, y0, x1, y1) { + var i = edges.length, + edge; - bind(parent, group, enterGroup, updateGroup, exitGroup, data, key); - - // Now connect the enter nodes to their following update node, such that - // appendChild can insert the materialized enter node before this node, - // rather than at the end of the parent node. - for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) { - if (previous = enterGroup[i0]) { - if (i0 >= i1) i1 = i0 + 1; - while (!(next = updateGroup[i1]) && ++i1 < dataLength); - previous._next = next || null; - } - } + while (i--) { + if (!connectEdge(edge = edges[i], x0, y0, x1, y1) + || !clipEdge(edge, x0, y0, x1, y1) + || !(Math.abs(edge[0][0] - edge[1][0]) > epsilon$3 + || Math.abs(edge[0][1] - edge[1][1]) > epsilon$3)) { + delete edges[i]; } - - update = new Selection(update, parents); - update._enter = enter; - update._exit = exit; - return update; } +} - function selection_exit() { - return new Selection(this._exit || this._groups.map(sparse), this._parents); - } - - function selection_merge(selection) { - - for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { - for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group0[i] || group1[i]) { - merge[i] = node; - } +function createCell(site) { + return cells[site.index] = { + site: site, + halfedges: [] + }; +} + +function cellHalfedgeAngle(cell, edge) { + var site = cell.site, + va = edge.left, + vb = edge.right; + if (site === vb) vb = va, va = site; + if (vb) return Math.atan2(vb[1] - va[1], vb[0] - va[0]); + if (site === va) va = edge[1], vb = edge[0]; + else va = edge[0], vb = edge[1]; + return Math.atan2(va[0] - vb[0], vb[1] - va[1]); +} + +function cellHalfedgeStart(cell, edge) { + return edge[+(edge.left !== cell.site)]; +} + +function cellHalfedgeEnd(cell, edge) { + return edge[+(edge.left === cell.site)]; +} + +function sortCellHalfedges() { + for (var i = 0, n = cells.length, cell, halfedges, j, m; i < n; ++i) { + if ((cell = cells[i]) && (m = (halfedges = cell.halfedges).length)) { + var index = new Array(m), + array = new Array(m); + for (j = 0; j < m; ++j) index[j] = j, array[j] = cellHalfedgeAngle(cell, edges[halfedges[j]]); + index.sort(function(i, j) { return array[j] - array[i]; }); + for (j = 0; j < m; ++j) array[j] = halfedges[index[j]]; + for (j = 0; j < m; ++j) halfedges[j] = array[j]; + } + } +} + +function clipCells(x0, y0, x1, y1) { + var nCells = cells.length, + iCell, + cell, + site, + iHalfedge, + halfedges, + nHalfedges, + start, + startX, + startY, + end, + endX, + endY, + cover = true; + + for (iCell = 0; iCell < nCells; ++iCell) { + if (cell = cells[iCell]) { + site = cell.site; + halfedges = cell.halfedges; + iHalfedge = halfedges.length; + + // Remove any dangling clipped edges. + while (iHalfedge--) { + if (!edges[halfedges[iHalfedge]]) { + halfedges.splice(iHalfedge, 1); + } + } + + // Insert any border edges as necessary. + iHalfedge = 0, nHalfedges = halfedges.length; + while (iHalfedge < nHalfedges) { + end = cellHalfedgeEnd(cell, edges[halfedges[iHalfedge]]), endX = end[0], endY = end[1]; + start = cellHalfedgeStart(cell, edges[halfedges[++iHalfedge % nHalfedges]]), startX = start[0], startY = start[1]; + if (Math.abs(endX - startX) > epsilon$3 || Math.abs(endY - startY) > epsilon$3) { + halfedges.splice(iHalfedge, 0, edges.push(createBorderEdge(site, end, + Math.abs(endX - x0) < epsilon$3 && y1 - endY > epsilon$3 ? [x0, Math.abs(startX - x0) < epsilon$3 ? startY : y1] + : Math.abs(endY - y1) < epsilon$3 && x1 - endX > epsilon$3 ? [Math.abs(startY - y1) < epsilon$3 ? startX : x1, y1] + : Math.abs(endX - x1) < epsilon$3 && endY - y0 > epsilon$3 ? [x1, Math.abs(startX - x1) < epsilon$3 ? startY : y0] + : Math.abs(endY - y0) < epsilon$3 && endX - x0 > epsilon$3 ? [Math.abs(startY - y0) < epsilon$3 ? startX : x0, y0] + : null)) - 1); + ++nHalfedges; + } + } + + if (nHalfedges) cover = false; + } + } + + // If there weren’t any edges, have the closest site cover the extent. + // It doesn’t matter which corner of the extent we measure! + if (cover) { + var dx, dy, d2, dc = Infinity; + + for (iCell = 0, cover = null; iCell < nCells; ++iCell) { + if (cell = cells[iCell]) { + site = cell.site; + dx = site[0] - x0; + dy = site[1] - y0; + d2 = dx * dx + dy * dy; + if (d2 < dc) dc = d2, cover = cell; } } - for (; j < m0; ++j) { - merges[j] = groups0[j]; + if (cover) { + var v00 = [x0, y0], v01 = [x0, y1], v11 = [x1, y1], v10 = [x1, y0]; + cover.halfedges.push( + edges.push(createBorderEdge(site = cover.site, v00, v01)) - 1, + edges.push(createBorderEdge(site, v01, v11)) - 1, + edges.push(createBorderEdge(site, v11, v10)) - 1, + edges.push(createBorderEdge(site, v10, v00)) - 1 + ); } - - return new Selection(merges, this._parents); } - function selection_order() { - - for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { - for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) { - if (node = group[i]) { - if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); - next = node; - } + // Lastly delete any cells with no edges; these were entirely clipped. + for (iCell = 0; iCell < nCells; ++iCell) { + if (cell = cells[iCell]) { + if (!cell.halfedges.length) { + delete cells[iCell]; } } - - return this; } +} - function selection_sort(compare) { - if (!compare) compare = ascending$2; +var circlePool = []; - function compareNode(a, b) { - return a && b ? compare(a.__data__, b.__data__) : !a - !b; - } +var firstCircle; - for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group[i]) { - sortgroup[i] = node; - } - } - sortgroup.sort(compareNode); - } - - return new Selection(sortgroups, this._parents).order(); - } - - function ascending$2(a, b) { - return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; - } - - function selection_call() { - var callback = arguments[0]; - arguments[0] = this; - callback.apply(null, arguments); - return this; - } - - function selection_nodes() { - var nodes = new Array(this.size()), i = -1; - this.each(function() { nodes[++i] = this; }); - return nodes; - } - - function selection_node() { - - for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { - for (var group = groups[j], i = 0, n = group.length; i < n; ++i) { - var node = group[i]; - if (node) return node; - } - } - - return null; - } - - function selection_size() { - var size = 0; - this.each(function() { ++size; }); - return size; - } - - function selection_empty() { - return !this.node(); - } - - function selection_each(callback) { - - for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { - for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { - if (node = group[i]) callback.call(node, node.__data__, i, group); - } - } - - return this; - } - - function attrRemove(name) { - return function() { - this.removeAttribute(name); - }; - } - - function attrRemoveNS(fullname) { - return function() { - this.removeAttributeNS(fullname.space, fullname.local); - }; - } - - function attrConstant(name, value) { - return function() { - this.setAttribute(name, value); - }; - } - - function attrConstantNS(fullname, value) { - return function() { - this.setAttributeNS(fullname.space, fullname.local, value); - }; - } - - function attrFunction(name, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.removeAttribute(name); - else this.setAttribute(name, v); - }; - } - - function attrFunctionNS(fullname, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.removeAttributeNS(fullname.space, fullname.local); - else this.setAttributeNS(fullname.space, fullname.local, v); - }; - } - - function selection_attr(name, value) { - var fullname = namespace(name); - - if (arguments.length < 2) { - var node = this.node(); - return fullname.local - ? node.getAttributeNS(fullname.space, fullname.local) - : node.getAttribute(fullname); - } - - return this.each((value == null - ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" - ? (fullname.local ? attrFunctionNS : attrFunction) - : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); - } - - function window(node) { - return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node - || (node.document && node) // node is a Window - || node.defaultView; // node is a Document - } - - function styleRemove(name) { - return function() { - this.style.removeProperty(name); - }; - } - - function styleConstant(name, value, priority) { - return function() { - this.style.setProperty(name, value, priority); - }; - } - - function styleFunction(name, value, priority) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.style.removeProperty(name); - else this.style.setProperty(name, v, priority); - }; - } - - function selection_style(name, value, priority) { - var node; - return arguments.length > 1 - ? this.each((value == null - ? styleRemove : typeof value === "function" - ? styleFunction - : styleConstant)(name, value, priority == null ? "" : priority)) - : window(node = this.node()) - .getComputedStyle(node, null) - .getPropertyValue(name); - } - - function propertyRemove(name) { - return function() { - delete this[name]; - }; - } - - function propertyConstant(name, value) { - return function() { - this[name] = value; - }; - } - - function propertyFunction(name, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) delete this[name]; - else this[name] = v; - }; - } - - function selection_property(name, value) { - return arguments.length > 1 - ? this.each((value == null - ? propertyRemove : typeof value === "function" - ? propertyFunction - : propertyConstant)(name, value)) - : this.node()[name]; - } - - function classArray(string) { - return string.trim().split(/^|\s+/); - } - - function classList(node) { - return node.classList || new ClassList(node); - } - - function ClassList(node) { - this._node = node; - this._names = classArray(node.getAttribute("class") || ""); - } - - ClassList.prototype = { - add: function(name) { - var i = this._names.indexOf(name); - if (i < 0) { - this._names.push(name); - this._node.setAttribute("class", this._names.join(" ")); - } - }, - remove: function(name) { - var i = this._names.indexOf(name); - if (i >= 0) { - this._names.splice(i, 1); - this._node.setAttribute("class", this._names.join(" ")); - } - }, - contains: function(name) { - return this._names.indexOf(name) >= 0; - } - }; - - function classedAdd(node, names) { - var list = classList(node), i = -1, n = names.length; - while (++i < n) list.add(names[i]); - } - - function classedRemove(node, names) { - var list = classList(node), i = -1, n = names.length; - while (++i < n) list.remove(names[i]); - } - - function classedTrue(names) { - return function() { - classedAdd(this, names); - }; - } - - function classedFalse(names) { - return function() { - classedRemove(this, names); - }; - } - - function classedFunction(names, value) { - return function() { - (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names); - }; - } - - function selection_classed(name, value) { - var names = classArray(name + ""); - - if (arguments.length < 2) { - var list = classList(this.node()), i = -1, n = names.length; - while (++i < n) if (!list.contains(names[i])) return false; - return true; - } - - return this.each((typeof value === "function" - ? classedFunction : value - ? classedTrue - : classedFalse)(names, value)); - } - - function textRemove() { - this.textContent = ""; - } - - function textConstant(value) { - return function() { - this.textContent = value; - }; - } - - function textFunction(value) { - return function() { - var v = value.apply(this, arguments); - this.textContent = v == null ? "" : v; - }; - } - - function selection_text(value) { - return arguments.length - ? this.each(value == null - ? textRemove : (typeof value === "function" - ? textFunction - : textConstant)(value)) - : this.node().textContent; - } - - function htmlRemove() { - this.innerHTML = ""; - } - - function htmlConstant(value) { - return function() { - this.innerHTML = value; - }; - } - - function htmlFunction(value) { - return function() { - var v = value.apply(this, arguments); - this.innerHTML = v == null ? "" : v; - }; - } - - function selection_html(value) { - return arguments.length - ? this.each(value == null - ? htmlRemove : (typeof value === "function" - ? htmlFunction - : htmlConstant)(value)) - : this.node().innerHTML; - } - - function raise$1() { - if (this.nextSibling) this.parentNode.appendChild(this); - } - - function selection_raise() { - return this.each(raise$1); - } - - function lower() { - if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); - } - - function selection_lower() { - return this.each(lower); - } - - function selection_append(name) { - var create = typeof name === "function" ? name : creator(name); - return this.select(function() { - return this.appendChild(create.apply(this, arguments)); - }); - } - - function constantNull() { - return null; - } - - function selection_insert(name, before) { - var create = typeof name === "function" ? name : creator(name), - select = before == null ? constantNull : typeof before === "function" ? before : selector(before); - return this.select(function() { - return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); - }); - } - - function remove() { - var parent = this.parentNode; - if (parent) parent.removeChild(this); - } - - function selection_remove() { - return this.each(remove); - } - - function selection_datum(value) { - return arguments.length - ? this.property("__data__", value) - : this.node().__data__; - } - - function dispatchEvent(node, type, params) { - var window$$ = window(node), - event = window$$.CustomEvent; - - if (event) { - event = new event(type, params); - } else { - event = window$$.document.createEvent("Event"); - if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; - else event.initEvent(type, false, false); - } - - node.dispatchEvent(event); - } - - function dispatchConstant(type, params) { - return function() { - return dispatchEvent(this, type, params); - }; - } - - function dispatchFunction(type, params) { - return function() { - return dispatchEvent(this, type, params.apply(this, arguments)); - }; - } - - function selection_dispatch(type, params) { - return this.each((typeof params === "function" - ? dispatchFunction - : dispatchConstant)(type, params)); - } - - var root = [null]; - - function Selection(groups, parents) { - this._groups = groups; - this._parents = parents; - } - - function selection() { - return new Selection([[document.documentElement]], root); - } - - Selection.prototype = selection.prototype = { - constructor: Selection, - select: selection_select, - selectAll: selection_selectAll, - filter: selection_filter, - data: selection_data, - enter: selection_enter, - exit: selection_exit, - merge: selection_merge, - order: selection_order, - sort: selection_sort, - call: selection_call, - nodes: selection_nodes, - node: selection_node, - size: selection_size, - empty: selection_empty, - each: selection_each, - attr: selection_attr, - style: selection_style, - property: selection_property, - classed: selection_classed, - text: selection_text, - html: selection_html, - raise: selection_raise, - lower: selection_lower, - append: selection_append, - insert: selection_insert, - remove: selection_remove, - datum: selection_datum, - on: selection_on, - dispatch: selection_dispatch - }; - - function select(selector) { - return typeof selector === "string" - ? new Selection([[document.querySelector(selector)]], [document.documentElement]) - : new Selection([[selector]], root); - } - - function selectAll(selector) { - return typeof selector === "string" - ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) - : new Selection([selector == null ? [] : selector], root); - } - - function touch(node, touches, identifier) { - if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; - - for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) { - if ((touch = touches[i]).identifier === identifier) { - return point$5(node, touch); - } - } - - return null; - } - - function touches(node, touches) { - if (touches == null) touches = sourceEvent().touches; - - for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) { - points[i] = point$5(node, touches[i]); - } - - return points; - } - - var emptyOn = dispatch("start", "end", "interrupt"); - var emptyTween = []; - - var CREATED = 0; - var SCHEDULED = 1; - var STARTING = 2; - var STARTED = 3; - var ENDING = 4; - var ENDED = 5; - - function schedule(node, name, id, index, group, timing) { - var schedules = node.__transition; - if (!schedules) node.__transition = {}; - else if (id in schedules) return; - create(node, id, { - name: name, - index: index, // For context during callback. - group: group, // For context during callback. - on: emptyOn, - tween: emptyTween, - time: timing.time, - delay: timing.delay, - duration: timing.duration, - ease: timing.ease, - timer: null, - state: CREATED - }); - } - - function init(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id]) || schedule.state > CREATED) throw new Error("too late"); - return schedule; - } - - function set$2(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id]) || schedule.state > STARTING) throw new Error("too late"); - return schedule; - } - - function get$1(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id])) throw new Error("too late"); - return schedule; - } - - function create(node, id, self) { - var schedules = node.__transition, - tween; - - // Initialize the self timer when the transition is created. - // Note the actual delay is not known until the first callback! - schedules[id] = self; - self.timer = timer(schedule, 0, self.time); - - // If the delay is greater than this first sleep, sleep some more; - // otherwise, start immediately. - function schedule(elapsed) { - self.state = SCHEDULED; - if (self.delay <= elapsed) start(elapsed - self.delay); - else self.timer.restart(start, self.delay, self.time); - } - - function start(elapsed) { - var i, j, n, o; - - for (i in schedules) { - o = schedules[i]; - if (o.name !== self.name) continue; - - // Interrupt the active transition, if any. - // Dispatch the interrupt event. - if (o.state === STARTED) { - o.state = ENDED; - o.timer.stop(); - o.on.call("interrupt", node, node.__data__, o.index, o.group); - delete schedules[i]; - } - - // Cancel any pre-empted transitions. No interrupt event is dispatched - // because the cancelled transitions never started. Note that this also - // removes this transition from the pending list! - else if (+i < id) { - o.state = ENDED; - o.timer.stop(); - delete schedules[i]; - } - } - - // Defer the first tick to end of the current frame; see mbostock/d3#1576. - // Note the transition may be canceled after start and before the first tick! - // Note this must be scheduled before the start event; see d3/d3-transition#16! - // Assuming this is successful, subsequent callbacks go straight to tick. - timeout$1(function() { - if (self.state === STARTED) { - self.timer.restart(tick, self.delay, self.time); - tick(elapsed); - } - }); - - // Dispatch the start event. - // Note this must be done before the tween are initialized. - self.state = STARTING; - self.on.call("start", node, node.__data__, self.index, self.group); - if (self.state !== STARTING) return; // interrupted - self.state = STARTED; - - // Initialize the tween, deleting null tween. - tween = new Array(n = self.tween.length); - for (i = 0, j = -1; i < n; ++i) { - if (o = self.tween[i].value.call(node, node.__data__, self.index, self.group)) { - tween[++j] = o; - } - } - tween.length = j + 1; - } - - function tick(elapsed) { - var t = elapsed < self.duration ? self.ease.call(null, elapsed / self.duration) : (self.state = ENDING, 1), - i = -1, - n = tween.length; - - while (++i < n) { - tween[i].call(null, t); - } - - // Dispatch the end event. - if (self.state === ENDING) { - self.state = ENDED; - self.timer.stop(); - self.on.call("end", node, node.__data__, self.index, self.group); - for (i in schedules) if (+i !== id) return void delete schedules[id]; - delete node.__transition; - } - } - } - - function interrupt(node, name) { - var schedules = node.__transition, - schedule, - active, - empty = true, - i; - - if (!schedules) return; - - name = name == null ? null : name + ""; - - for (i in schedules) { - if ((schedule = schedules[i]).name !== name) { empty = false; continue; } - active = schedule.state === STARTED; - schedule.state = ENDED; - schedule.timer.stop(); - if (active) schedule.on.call("interrupt", node, node.__data__, schedule.index, schedule.group); - delete schedules[i]; - } - - if (empty) delete node.__transition; - } - - function selection_interrupt(name) { - return this.each(function() { - interrupt(this, name); - }); - } - - function tweenRemove(id, name) { - var tween0, tween1; - return function() { - var schedule = set$2(this, id), - tween = schedule.tween; - - // If this node shared tween with the previous node, - // just assign the updated shared tween and we’re done! - // Otherwise, copy-on-write. - if (tween !== tween0) { - tween1 = tween0 = tween; - for (var i = 0, n = tween1.length; i < n; ++i) { - if (tween1[i].name === name) { - tween1 = tween1.slice(); - tween1.splice(i, 1); - break; - } - } - } - - schedule.tween = tween1; - }; - } - - function tweenFunction(id, name, value) { - var tween0, tween1; - if (typeof value !== "function") throw new Error; - return function() { - var schedule = set$2(this, id), - tween = schedule.tween; - - // If this node shared tween with the previous node, - // just assign the updated shared tween and we’re done! - // Otherwise, copy-on-write. - if (tween !== tween0) { - tween1 = (tween0 = tween).slice(); - for (var t = {name: name, value: value}, i = 0, n = tween1.length; i < n; ++i) { - if (tween1[i].name === name) { - tween1[i] = t; - break; - } - } - if (i === n) tween1.push(t); - } - - schedule.tween = tween1; - }; - } - - function transition_tween(name, value) { - var id = this._id; - - name += ""; - - if (arguments.length < 2) { - var tween = get$1(this.node(), id).tween; - for (var i = 0, n = tween.length, t; i < n; ++i) { - if ((t = tween[i]).name === name) { - return t.value; - } - } - return null; - } - - return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); - } - - function tweenValue(transition, name, value) { - var id = transition._id; - - transition.each(function() { - var schedule = set$2(this, id); - (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); - }); - - return function(node) { - return get$1(node, id).value[name]; - }; - } - - function interpolate$1(a, b) { - var c; - return (typeof b === "number" ? interpolateNumber - : b instanceof color ? interpolateRgb - : (c = color(b)) ? (b = c, interpolateRgb) - : interpolateString)(a, b); - } - - function attrRemove$1(name) { - return function() { - this.removeAttribute(name); - }; - } - - function attrRemoveNS$1(fullname) { - return function() { - this.removeAttributeNS(fullname.space, fullname.local); - }; - } - - function attrConstant$1(name, interpolate, value1) { - var value00, - interpolate0; - return function() { - var value0 = this.getAttribute(name); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate(value00 = value0, value1); - }; - } - - function attrConstantNS$1(fullname, interpolate, value1) { - var value00, - interpolate0; - return function() { - var value0 = this.getAttributeNS(fullname.space, fullname.local); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate(value00 = value0, value1); - }; - } - - function attrFunction$1(name, interpolate, value) { - var value00, - value10, - interpolate0; - return function() { - var value0, value1 = value(this); - if (value1 == null) return void this.removeAttribute(name); - value0 = this.getAttribute(name); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate(value00 = value0, value10 = value1); - }; - } - - function attrFunctionNS$1(fullname, interpolate, value) { - var value00, - value10, - interpolate0; - return function() { - var value0, value1 = value(this); - if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local); - value0 = this.getAttributeNS(fullname.space, fullname.local); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate(value00 = value0, value10 = value1); - }; - } - - function transition_attr(name, value) { - var fullname = namespace(name), i = fullname === "transform" ? interpolateTransform$2 : interpolate$1; - return this.attrTween(name, typeof value === "function" - ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) - : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) - : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); - } - - function attrTweenNS(fullname, value) { - function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.setAttributeNS(fullname.space, fullname.local, i(t)); - }; - } - tween._value = value; - return tween; - } - - function attrTween(name, value) { - function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.setAttribute(name, i(t)); - }; - } - tween._value = value; - return tween; - } - - function transition_attrTween(name, value) { - var key = "attr." + name; - if (arguments.length < 2) return (key = this.tween(key)) && key._value; - if (value == null) return this.tween(key, null); - if (typeof value !== "function") throw new Error; - var fullname = namespace(name); - return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value)); - } - - function delayFunction(id, value) { - return function() { - init(this, id).delay = +value.apply(this, arguments); - }; - } - - function delayConstant(id, value) { - return value = +value, function() { - init(this, id).delay = value; - }; - } - - function transition_delay(value) { - var id = this._id; - - return arguments.length - ? this.each((typeof value === "function" - ? delayFunction - : delayConstant)(id, value)) - : get$1(this.node(), id).delay; - } - - function durationFunction(id, value) { - return function() { - set$2(this, id).duration = +value.apply(this, arguments); - }; - } - - function durationConstant(id, value) { - return value = +value, function() { - set$2(this, id).duration = value; - }; - } - - function transition_duration(value) { - var id = this._id; - - return arguments.length - ? this.each((typeof value === "function" - ? durationFunction - : durationConstant)(id, value)) - : get$1(this.node(), id).duration; - } - - function easeConstant(id, value) { - if (typeof value !== "function") throw new Error; - return function() { - set$2(this, id).ease = value; - }; - } - - function transition_ease(value) { - var id = this._id; - - return arguments.length - ? this.each(easeConstant(id, value)) - : get$1(this.node(), id).ease; - } - - function transition_filter(match) { - if (typeof match !== "function") match = matcher$1(match); - - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { - if ((node = group[i]) && match.call(node, node.__data__, i, group)) { - subgroup.push(node); - } - } - } - - return new Transition(subgroups, this._parents, this._name, this._id); - } - - function transition_merge(transition) { - if (transition._id !== this._id) throw new Error; - - for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { - for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group0[i] || group1[i]) { - merge[i] = node; - } - } - } - - for (; j < m0; ++j) { - merges[j] = groups0[j]; - } - - return new Transition(merges, this._parents, this._name, this._id); - } - - function start$1(name) { - return (name + "").trim().split(/^|\s+/).every(function(t) { - var i = t.indexOf("."); - if (i >= 0) t = t.slice(0, i); - return !t || t === "start"; - }); - } - - function onFunction(id, name, listener) { - var on0, on1, sit = start$1(name) ? init : set$2; - return function() { - var schedule = sit(this, id), - on = schedule.on; - - // If this node shared a dispatch with the previous node, - // just assign the updated shared dispatch and we’re done! - // Otherwise, copy-on-write. - if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener); - - schedule.on = on1; - }; - } - - function transition_on(name, listener) { - var id = this._id; - - return arguments.length < 2 - ? get$1(this.node(), id).on.on(name) - : this.each(onFunction(id, name, listener)); - } - - function removeFunction(id) { - return function() { - var parent = this.parentNode; - for (var i in this.__transition) if (+i !== id) return; - if (parent) parent.removeChild(this); - }; - } - - function transition_remove() { - return this.on("end.remove", removeFunction(this._id)); - } - - function transition_select(select) { - var name = this._name, - id = this._id; - - if (typeof select !== "function") select = selector(select); - - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { - if ("__data__" in node) subnode.__data__ = node.__data__; - subgroup[i] = subnode; - schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); - } - } - } - - return new Transition(subgroups, this._parents, name, id); - } - - function transition_selectAll(select) { - var name = this._name, - id = this._id; - - if (typeof select !== "function") select = selectorAll(select); - - for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - for (var children = select.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { - if (child = children[k]) { - schedule(child, name, id, k, children, inherit); - } - } - subgroups.push(children); - parents.push(node); - } - } - } - - return new Transition(subgroups, parents, name, id); - } - - var Selection$1 = selection.prototype.constructor; - - function transition_selection() { - return new Selection$1(this._groups, this._parents); - } - - function styleRemove$1(name, interpolate) { - var value00, - value10, - interpolate0; - return function() { - var style = window(this).getComputedStyle(this, null), - value0 = style.getPropertyValue(name), - value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate(value00 = value0, value10 = value1); - }; - } - - function styleRemoveEnd(name) { - return function() { - this.style.removeProperty(name); - }; - } - - function styleConstant$1(name, interpolate, value1) { - var value00, - interpolate0; - return function() { - var value0 = window(this).getComputedStyle(this, null).getPropertyValue(name); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate(value00 = value0, value1); - }; - } - - function styleFunction$1(name, interpolate, value) { - var value00, - value10, - interpolate0; - return function() { - var style = window(this).getComputedStyle(this, null), - value0 = style.getPropertyValue(name), - value1 = value(this); - if (value1 == null) value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate(value00 = value0, value10 = value1); - }; - } - - function transition_style(name, value, priority) { - var i = (name += "") === "transform" ? interpolateTransform$1 : interpolate$1; - return value == null ? this - .styleTween(name, styleRemove$1(name, i)) - .on("end.style." + name, styleRemoveEnd(name)) - : this.styleTween(name, typeof value === "function" - ? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) - : styleConstant$1(name, i, value), priority); - } - - function styleTween(name, value, priority) { - function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.style.setProperty(name, i(t), priority); - }; - } - tween._value = value; - return tween; - } - - function transition_styleTween(name, value, priority) { - var key = "style." + (name += ""); - if (arguments.length < 2) return (key = this.tween(key)) && key._value; - if (value == null) return this.tween(key, null); - if (typeof value !== "function") throw new Error; - return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); - } - - function textConstant$1(value) { - return function() { - this.textContent = value; - }; - } - - function textFunction$1(value) { - return function() { - var value1 = value(this); - this.textContent = value1 == null ? "" : value1; - }; - } - - function transition_text(value) { - return this.tween("text", typeof value === "function" - ? textFunction$1(tweenValue(this, "text", value)) - : textConstant$1(value == null ? "" : value + "")); - } - - function transition_transition() { - var name = this._name, - id0 = this._id, - id1 = newId(); - - for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - var inherit = get$1(node, id0); - schedule(node, name, id1, i, group, { - time: inherit.time + inherit.delay + inherit.duration, - delay: 0, - duration: inherit.duration, - ease: inherit.ease - }); - } - } - } - - return new Transition(groups, this._parents, name, id1); - } - - var id = 0; - - function Transition(groups, parents, name, id) { - this._groups = groups; - this._parents = parents; - this._name = name; - this._id = id; - } - - function transition(name) { - return selection().transition(name); - } - - function newId() { - return ++id; - } - - var selection_prototype = selection.prototype; - - Transition.prototype = transition.prototype = { - constructor: Transition, - select: transition_select, - selectAll: transition_selectAll, - filter: transition_filter, - merge: transition_merge, - selection: transition_selection, - transition: transition_transition, - call: selection_prototype.call, - nodes: selection_prototype.nodes, - node: selection_prototype.node, - size: selection_prototype.size, - empty: selection_prototype.empty, - each: selection_prototype.each, - on: transition_on, - attr: transition_attr, - attrTween: transition_attrTween, - style: transition_style, - styleTween: transition_styleTween, - text: transition_text, - remove: transition_remove, - tween: transition_tween, - delay: transition_delay, - duration: transition_duration, - ease: transition_ease - }; - - var defaultTiming = { - time: null, // Set on use. - delay: 0, - duration: 250, - ease: easeCubicInOut - }; - - function inherit(node, id) { - var timing; - while (!(timing = node.__transition) || !(timing = timing[id])) { - if (!(node = node.parentNode)) { - return defaultTiming.time = now(), defaultTiming; - } - } - return timing; - } - - function selection_transition(name) { - var id, - timing; - - if (name instanceof Transition) { - id = name._id, name = name._name; - } else { - id = newId(), (timing = defaultTiming).time = now(), name = name == null ? null : name + ""; - } - - for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - schedule(node, name, id, i, group, timing || inherit(node, id)); - } - } - } - - return new Transition(groups, this._parents, name, id); - } - - selection.prototype.interrupt = selection_interrupt; - selection.prototype.transition = selection_transition; - - var root$1 = [null]; - - function active(node, name) { - var schedules = node.__transition, - schedule, - i; - - if (schedules) { - name = name == null ? null : name + ""; - for (i in schedules) { - if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { - return new Transition([[node]], root$1, name, +i); - } - } - } - - return null; - } - - var slice$4 = Array.prototype.slice; - - function identity$5(x) { - return x; - } - - var top = 1; - var right = 2; - var bottom = 3; - var left = 4; -var epsilon$2 = 1e-6; - function translateX(scale0, scale1, d) { - var x = scale0(d); - return "translate(" + (isFinite(x) ? x : scale1(d)) + ",0)"; - } - - function translateY(scale0, scale1, d) { - var y = scale0(d); - return "translate(0," + (isFinite(y) ? y : scale1(d)) + ")"; - } - - function center(scale) { - var offset = scale.bandwidth() / 2; - if (scale.round()) offset = Math.round(offset); - return function(d) { - return scale(d) + offset; - }; - } - - function entering() { - return !this.__axis; - } - - function axis(orient, scale) { - var tickArguments = [], - tickValues = null, - tickFormat = null, - tickSizeInner = 6, - tickSizeOuter = 6, - tickPadding = 3; - - function axis(context) { - var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues, - format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$5) : tickFormat, - spacing = Math.max(tickSizeInner, 0) + tickPadding, - transform = orient === top || orient === bottom ? translateX : translateY, - range = scale.range(), - range0 = range[0] + 0.5, - range1 = range[range.length - 1] + 0.5, - position = (scale.bandwidth ? center : identity$5)(scale.copy()), - selection = context.selection ? context.selection() : context, - path = selection.selectAll(".domain").data([null]), - tick = selection.selectAll(".tick").data(values, scale).order(), - tickExit = tick.exit(), - tickEnter = tick.enter().append("g").attr("class", "tick"), - line = tick.select("line"), - text = tick.select("text"), - k = orient === top || orient === left ? -1 : 1, - x, y = orient === left || orient === right ? (x = "x", "y") : (x = "y", "x"); - - path = path.merge(path.enter().insert("path", ".tick") - .attr("class", "domain") - .attr("stroke", "#000")); - - tick = tick.merge(tickEnter); - - line = line.merge(tickEnter.append("line") - .attr("stroke", "#000") - .attr(x + "2", k * tickSizeInner) - .attr(y + "1", 0.5) - .attr(y + "2", 0.5)); - - text = text.merge(tickEnter.append("text") - .attr("fill", "#000") - .attr(x, k * spacing) - .attr(y, 0.5) - .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); - - if (context !== selection) { - path = path.transition(context); - tick = tick.transition(context); - line = line.transition(context); - text = text.transition(context); - - tickExit = tickExit.transition(context) - .attr("opacity", epsilon$2) - .attr("transform", function(d) { return transform(position, this.parentNode.__axis || position, d); }); - - tickEnter - .attr("opacity", epsilon$2) - .attr("transform", function(d) { return transform(this.parentNode.__axis || position, position, d); }); - } - - tickExit.remove(); - - path - .attr("d", orient === left || orient == right - ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter - : "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter); - - tick - .attr("opacity", 1) - .attr("transform", function(d) { return transform(position, position, d); }); - - line - .attr(x + "2", k * tickSizeInner); - - text - .attr(x, k * spacing) - .text(format); - - selection.filter(entering) - .attr("fill", "none") - .attr("font-size", 10) - .attr("font-family", "sans-serif") - .attr("text-anchor", orient === right ? "start" : orient === left ? "end" : "middle"); - - selection - .each(function() { this.__axis = position; }); - } - - axis.scale = function(_) { - return arguments.length ? (scale = _, axis) : scale; - }; - - axis.ticks = function() { - return tickArguments = slice$4.call(arguments), axis; - }; - - axis.tickArguments = function(_) { - return arguments.length ? (tickArguments = _ == null ? [] : slice$4.call(_), axis) : tickArguments.slice(); - }; - - axis.tickValues = function(_) { - return arguments.length ? (tickValues = _ == null ? null : slice$4.call(_), axis) : tickValues && tickValues.slice(); - }; - - axis.tickFormat = function(_) { - return arguments.length ? (tickFormat = _, axis) : tickFormat; - }; - - axis.tickSize = function(_) { - return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner; - }; - - axis.tickSizeInner = function(_) { - return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner; - }; - - axis.tickSizeOuter = function(_) { - return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter; - }; - - axis.tickPadding = function(_) { - return arguments.length ? (tickPadding = +_, axis) : tickPadding; - }; - - return axis; - } - - function axisTop(scale) { - return axis(top, scale); - } - - function axisRight(scale) { - return axis(right, scale); - } - - function axisBottom(scale) { - return axis(bottom, scale); - } - - function axisLeft(scale) { - return axis(left, scale); - } - - function defaultSeparation(a, b) { - return a.parent === b.parent ? 1 : 2; - } - - function meanX(children) { - return children.reduce(meanXReduce, 0) / children.length; - } - - function meanXReduce(x, c) { - return x + c.x; - } - - function maxY(children) { - return 1 + children.reduce(maxYReduce, 0); - } - - function maxYReduce(y, c) { - return Math.max(y, c.y); - } - - function leafLeft(node) { - var children; - while (children = node.children) node = children[0]; - return node; - } - - function leafRight(node) { - var children; - while (children = node.children) node = children[children.length - 1]; - return node; - } - - function cluster() { - var separation = defaultSeparation, - dx = 1, - dy = 1, - nodeSize = false; - - function cluster(root) { - var previousNode, - x = 0; - - // First walk, computing the initial x & y values. - root.eachAfter(function(node) { - var children = node.children; - if (children) { - node.x = meanX(children); - node.y = maxY(children); - } else { - node.x = previousNode ? x += separation(node, previousNode) : 0; - node.y = 0; - previousNode = node; - } - }); - - var left = leafLeft(root), - right = leafRight(root), - x0 = left.x - separation(left, right) / 2, - x1 = right.x + separation(right, left) / 2; - - // Second walk, normalizing x & y to the desired size. - return root.eachAfter(nodeSize ? function(node) { - node.x = (node.x - root.x) * dx; - node.y = (root.y - node.y) * dy; - } : function(node) { - node.x = (node.x - x0) / (x1 - x0) * dx; - node.y = (1 - (root.y ? node.y / root.y : 1)) * dy; - }); - } - - cluster.separation = function(x) { - return arguments.length ? (separation = x, cluster) : separation; - }; - - cluster.size = function(x) { - return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? null : [dx, dy]); - }; - - cluster.nodeSize = function(x) { - return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? [dx, dy] : null); - }; - - return cluster; - } - - function node_each(callback) { - var node = this, current, next = [node], children, i, n; - do { - current = next.reverse(), next = []; - while (node = current.pop()) { - callback(node), children = node.children; - if (children) for (i = 0, n = children.length; i < n; ++i) { - next.push(children[i]); - } - } - } while (next.length); - return this; - } - - function node_eachBefore(callback) { - var node = this, nodes = [node], children, i; - while (node = nodes.pop()) { - callback(node), children = node.children; - if (children) for (i = children.length - 1; i >= 0; --i) { - nodes.push(children[i]); - } - } - return this; - } - - function node_eachAfter(callback) { - var node = this, nodes = [node], next = [], children, i, n; - while (node = nodes.pop()) { - next.push(node), children = node.children; - if (children) for (i = 0, n = children.length; i < n; ++i) { - nodes.push(children[i]); - } - } - while (node = next.pop()) { - callback(node); - } - return this; - } - - function node_sum(value) { - return this.eachAfter(function(node) { - var sum = +value(node.data) || 0, - children = node.children, - i = children && children.length; - while (--i >= 0) sum += children[i].value; - node.value = sum; - }); - } - - function node_sort(compare) { - return this.eachBefore(function(node) { - if (node.children) { - node.children.sort(compare); - } - }); - } - - function node_path(end) { - var start = this, - ancestor = leastCommonAncestor(start, end), - nodes = [start]; - while (start !== ancestor) { - start = start.parent; - nodes.push(start); - } - var k = nodes.length; - while (end !== ancestor) { - nodes.splice(k, 0, end); - end = end.parent; - } - return nodes; - } - - function leastCommonAncestor(a, b) { - if (a === b) return a; - var aNodes = a.ancestors(), - bNodes = b.ancestors(), - c = null; - a = aNodes.pop(); - b = bNodes.pop(); - while (a === b) { - c = a; - a = aNodes.pop(); - b = bNodes.pop(); - } - return c; - } - - function node_ancestors() { - var node = this, nodes = [node]; - while (node = node.parent) { - nodes.push(node); - } - return nodes; - } - - function node_descendants() { - var nodes = []; - this.each(function(node) { - nodes.push(node); - }); - return nodes; - } - - function node_leaves() { - var leaves = []; - this.eachBefore(function(node) { - if (!node.children) { - leaves.push(node); - } - }); - return leaves; - } - - function node_links() { - var root = this, links = []; - root.each(function(node) { - if (node !== root) { // Don’t include the root’s parent, if any. - links.push({source: node.parent, target: node}); - } - }); - return links; - } - - function hierarchy(data, children) { - var root = new Node(data), - valued = +data.value && (root.value = data.value), - node, - nodes = [root], - child, - childs, - i, - n; - - if (children == null) children = defaultChildren; - - while (node = nodes.pop()) { - if (valued) node.value = +node.data.value; - if ((childs = children(node.data)) && (n = childs.length)) { - node.children = new Array(n); - for (i = n - 1; i >= 0; --i) { - nodes.push(child = node.children[i] = new Node(childs[i])); - child.parent = node; - child.depth = node.depth + 1; - } - } - } - - return root.eachBefore(computeHeight); - } - - function node_copy() { - return hierarchy(this).eachBefore(copyData); - } - - function defaultChildren(d) { - return d.children; - } - - function copyData(node) { - node.data = node.data.data; - } - - function computeHeight(node) { - var height = 0; - do node.height = height; - while ((node = node.parent) && (node.height < ++height)); - } - - function Node(data) { - this.data = data; - this.depth = - this.height = 0; - this.parent = null; - } - - Node.prototype = hierarchy.prototype = { - constructor: Node, - each: node_each, - eachAfter: node_eachAfter, - eachBefore: node_eachBefore, - sum: node_sum, - sort: node_sort, - path: node_path, - ancestors: node_ancestors, - descendants: node_descendants, - leaves: node_leaves, - links: node_links, - copy: node_copy - }; - - function Node$2(value) { - this._ = value; - this.next = null; - } - - function shuffle$1(array) { - var i, - n = (array = array.slice()).length, - head = null, - node = head; - - while (n) { - var next = new Node$2(array[n - 1]); - if (node) node = node.next = next; - else node = head = next; - array[i] = array[--n]; - } - - return { - head: head, - tail: node - }; - } - - function enclose(circles) { - return encloseN(shuffle$1(circles), []); - } - - function encloses(a, b) { - var dx = b.x - a.x, - dy = b.y - a.y, - dr = a.r - b.r; - return dr * dr + 1e-6 > dx * dx + dy * dy; - } - - // Returns the smallest circle that contains circles L and intersects circles B. - function encloseN(L, B) { - var circle, - l0 = null, - l1 = L.head, - l2, - p1; - - switch (B.length) { - case 1: circle = enclose1(B[0]); break; - case 2: circle = enclose2(B[0], B[1]); break; - case 3: circle = enclose3(B[0], B[1], B[2]); break; - } - - while (l1) { - p1 = l1._, l2 = l1.next; - if (!circle || !encloses(circle, p1)) { - - // Temporarily truncate L before l1. - if (l0) L.tail = l0, l0.next = null; - else L.head = L.tail = null; - - B.push(p1); - circle = encloseN(L, B); // Note: reorders L! - B.pop(); - - // Move l1 to the front of L and reconnect the truncated list L. - if (L.head) l1.next = L.head, L.head = l1; - else l1.next = null, L.head = L.tail = l1; - l0 = L.tail, l0.next = l2; - - } else { - l0 = l1; - } - l1 = l2; - } - - L.tail = l0; - return circle; - } - - function enclose1(a) { - return { - x: a.x, - y: a.y, - r: a.r - }; - } - - function enclose2(a, b) { - var x1 = a.x, y1 = a.y, r1 = a.r, - x2 = b.x, y2 = b.y, r2 = b.r, - x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1, - l = Math.sqrt(x21 * x21 + y21 * y21); - return { - x: (x1 + x2 + x21 / l * r21) / 2, - y: (y1 + y2 + y21 / l * r21) / 2, - r: (l + r1 + r2) / 2 - }; - } - - function enclose3(a, b, c) { - var x1 = a.x, y1 = a.y, r1 = a.r, - x2 = b.x, y2 = b.y, r2 = b.r, - x3 = c.x, y3 = c.y, r3 = c.r, - a2 = 2 * (x1 - x2), - b2 = 2 * (y1 - y2), - c2 = 2 * (r2 - r1), - d2 = x1 * x1 + y1 * y1 - r1 * r1 - x2 * x2 - y2 * y2 + r2 * r2, - a3 = 2 * (x1 - x3), - b3 = 2 * (y1 - y3), - c3 = 2 * (r3 - r1), - d3 = x1 * x1 + y1 * y1 - r1 * r1 - x3 * x3 - y3 * y3 + r3 * r3, - ab = a3 * b2 - a2 * b3, - xa = (b2 * d3 - b3 * d2) / ab - x1, - xb = (b3 * c2 - b2 * c3) / ab, - ya = (a3 * d2 - a2 * d3) / ab - y1, - yb = (a2 * c3 - a3 * c2) / ab, - A = xb * xb + yb * yb - 1, - B = 2 * (xa * xb + ya * yb + r1), - C = xa * xa + ya * ya - r1 * r1, - r = (-B - Math.sqrt(B * B - 4 * A * C)) / (2 * A); - return { - x: xa + xb * r + x1, - y: ya + yb * r + y1, - r: r - }; - } - - function place(a, b, c) { - var ax = a.x, - ay = a.y, - da = b.r + c.r, - db = a.r + c.r, - dx = b.x - ax, - dy = b.y - ay, - dc = dx * dx + dy * dy; - if (dc) { - var x = 0.5 + ((db *= db) - (da *= da)) / (2 * dc), - y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); - c.x = ax + x * dx + y * dy; - c.y = ay + x * dy - y * dx; - } else { - c.x = ax + db; - c.y = ay; - } - } - - function intersects(a, b) { - var dx = b.x - a.x, - dy = b.y - a.y, - dr = a.r + b.r; - return dr * dr > dx * dx + dy * dy; - } - - function distance2(circle, x, y) { - var dx = circle.x - x, - dy = circle.y - y; - return dx * dx + dy * dy; - } - - function Node$1(circle) { - this._ = circle; - this.next = null; - this.previous = null; - } - - function packEnclose(circles) { - if (!(n = circles.length)) return 0; - - var a, b, c, n; - - // Place the first circle. - a = circles[0], a.x = 0, a.y = 0; - if (!(n > 1)) return a.r; - - // Place the second circle. - b = circles[1], a.x = -b.r, b.x = a.r, b.y = 0; - if (!(n > 2)) return a.r + b.r; - - // Place the third circle. - place(b, a, c = circles[2]); - - // Initialize the weighted centroid. - var aa = a.r * a.r, - ba = b.r * b.r, - ca = c.r * c.r, - oa = aa + ba + ca, - ox = aa * a.x + ba * b.x + ca * c.x, - oy = aa * a.y + ba * b.y + ca * c.y, - cx, cy, i, j, k, sj, sk; - - // Initialize the front-chain using the first three circles a, b and c. - a = new Node$1(a), b = new Node$1(b), c = new Node$1(c); - a.next = c.previous = b; - b.next = a.previous = c; - c.next = b.previous = a; - - // Attempt to place each remaining circle… - pack: for (i = 3; i < n; ++i) { - place(a._, b._, c = circles[i]), c = new Node$1(c); - - // If there are only three elements in the front-chain… - if ((k = a.previous) === (j = b.next)) { - // If the new circle intersects the third circle, - // rotate the front chain to try the next position. - if (intersects(j._, c._)) { - a = b, b = j, --i; - continue pack; - } - } - - // Find the closest intersecting circle on the front-chain, if any. - else { - sj = j._.r, sk = k._.r; - do { - if (sj <= sk) { - if (intersects(j._, c._)) { - b = j, a.next = b, b.previous = a, --i; - continue pack; - } - j = j.next, sj += j._.r; - } else { - if (intersects(k._, c._)) { - a = k, a.next = b, b.previous = a, --i; - continue pack; - } - k = k.previous, sk += k._.r; - } - } while (j !== k.next); - } - - // Success! Insert the new circle c between a and b. - c.previous = a, c.next = b, a.next = b.previous = b = c; - - // Update the weighted centroid. - oa += ca = c._.r * c._.r; - ox += ca * c._.x; - oy += ca * c._.y; - - // Compute the new closest circle a to centroid. - aa = distance2(a._, cx = ox / oa, cy = oy / oa); - while ((c = c.next) !== b) { - if ((ca = distance2(c._, cx, cy)) < aa) { - a = c, aa = ca; - } - } - b = a.next; - } - - // Compute the enclosing circle of the front chain. - a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a); - - // Translate the circles to put the enclosing circle around the origin. - for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y; - - return c.r; - } - - function siblings(circles) { - packEnclose(circles); - return circles; - } - - function optional(f) { - return f == null ? null : required(f); - } - - function required(f) { - if (typeof f !== "function") throw new Error; - return f; - } - - function constantZero() { - return 0; - } - - function constant$5(x) { - return function() { - return x; - }; - } - - function defaultRadius(d) { - return Math.sqrt(d.value); - } - - function index() { - var radius = null, - dx = 1, - dy = 1, - padding = constantZero; - - function pack(root) { - root.x = dx / 2, root.y = dy / 2; - if (radius) { - root.eachBefore(radiusLeaf(radius)) - .eachAfter(packChildren(padding, 0.5)) - .eachBefore(translateChild(1)); - } else { - root.eachBefore(radiusLeaf(defaultRadius)) - .eachAfter(packChildren(constantZero, 1)) - .eachAfter(packChildren(padding, root.r / Math.min(dx, dy))) - .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r))); - } - return root; - } - - pack.radius = function(x) { - return arguments.length ? (radius = optional(x), pack) : radius; - }; - - pack.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], pack) : [dx, dy]; - }; - - pack.padding = function(x) { - return arguments.length ? (padding = typeof x === "function" ? x : constant$5(+x), pack) : padding; - }; - - return pack; - } - - function radiusLeaf(radius) { - return function(node) { - if (!node.children) { - node.r = Math.max(0, +radius(node) || 0); - } - }; - } - - function packChildren(padding, k) { - return function(node) { - if (children = node.children) { - var children, - i, - n = children.length, - r = padding(node) * k || 0, - e; - - if (r) for (i = 0; i < n; ++i) children[i].r += r; - e = packEnclose(children); - if (r) for (i = 0; i < n; ++i) children[i].r -= r; - node.r = e + r; - } - }; - } - - function translateChild(k) { - return function(node) { - var parent = node.parent; - node.r *= k; - if (parent) { - node.x = parent.x + k * node.x; - node.y = parent.y + k * node.y; - } - }; - } - - function roundNode(node) { - node.x0 = Math.round(node.x0); - node.y0 = Math.round(node.y0); - node.x1 = Math.round(node.x1); - node.y1 = Math.round(node.y1); - } - - function treemapDice(parent, x0, y0, x1, y1) { - var nodes = parent.children, - node, - i = -1, - n = nodes.length, - k = parent.value && (x1 - x0) / parent.value; - - while (++i < n) { - node = nodes[i], node.y0 = y0, node.y1 = y1; - node.x0 = x0, node.x1 = x0 += node.value * k; - } - } - - function partition() { - var dx = 1, - dy = 1, - padding = 0, - round = false; - - function partition(root) { - var n = root.height + 1; - root.x0 = - root.y0 = padding; - root.x1 = dx; - root.y1 = dy / n; - root.eachBefore(positionNode(dy, n)); - if (round) root.eachBefore(roundNode); - return root; - } - - function positionNode(dy, n) { - return function(node) { - if (node.children) { - treemapDice(node, node.x0, dy * (node.depth + 1) / n, node.x1, dy * (node.depth + 2) / n); - } - var x0 = node.x0, - y0 = node.y0, - x1 = node.x1 - padding, - y1 = node.y1 - padding; - if (x1 < x0) x0 = x1 = (x0 + x1) / 2; - if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - node.x0 = x0; - node.y0 = y0; - node.x1 = x1; - node.y1 = y1; - }; - } - - partition.round = function(x) { - return arguments.length ? (round = !!x, partition) : round; - }; - - partition.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], partition) : [dx, dy]; - }; - - partition.padding = function(x) { - return arguments.length ? (padding = +x, partition) : padding; - }; - - return partition; - } - -var keyPrefix$1 = "$"; - var preroot = {depth: -1}; - var ambiguous = {}; - function defaultId(d) { - return d.id; - } - - function defaultParentId(d) { - return d.parentId; - } - - function stratify() { - var id = defaultId, - parentId = defaultParentId; - - function stratify(data) { - var d, - i, - n = data.length, - root, - parent, - node, - nodes = new Array(n), - nodeId, - nodeKey, - nodeByKey = {}; - - for (i = 0; i < n; ++i) { - d = data[i], node = nodes[i] = new Node(d); - if ((nodeId = id(d, i, data)) != null && (nodeId += "")) { - nodeKey = keyPrefix$1 + (node.id = nodeId); - nodeByKey[nodeKey] = nodeKey in nodeByKey ? ambiguous : node; - } - } - - for (i = 0; i < n; ++i) { - node = nodes[i], nodeId = parentId(data[i], i, data); - if (nodeId == null || !(nodeId += "")) { - if (root) throw new Error("multiple roots"); - root = node; - } else { - parent = nodeByKey[keyPrefix$1 + nodeId]; - if (!parent) throw new Error("missing: " + nodeId); - if (parent === ambiguous) throw new Error("ambiguous: " + nodeId); - if (parent.children) parent.children.push(node); - else parent.children = [node]; - node.parent = parent; - } - } - - if (!root) throw new Error("no root"); - root.parent = preroot; - root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight); - root.parent = null; - if (n > 0) throw new Error("cycle"); - - return root; - } - - stratify.id = function(x) { - return arguments.length ? (id = required(x), stratify) : id; - }; - - stratify.parentId = function(x) { - return arguments.length ? (parentId = required(x), stratify) : parentId; - }; - - return stratify; - } - - function defaultSeparation$1(a, b) { - return a.parent === b.parent ? 1 : 2; - } - - // function radialSeparation(a, b) { - // return (a.parent === b.parent ? 1 : 2) / a.depth; - // } - - // This function is used to traverse the left contour of a subtree (or - // subforest). It returns the successor of v on this contour. This successor is - // either given by the leftmost child of v or by the thread of v. The function - // returns null if and only if v is on the highest level of its subtree. - function nextLeft(v) { - var children = v.children; - return children ? children[0] : v.t; - } - - // This function works analogously to nextLeft. - function nextRight(v) { - var children = v.children; - return children ? children[children.length - 1] : v.t; - } - - // Shifts the current subtree rooted at w+. This is done by increasing - // prelim(w+) and mod(w+) by shift. - function moveSubtree(wm, wp, shift) { - var change = shift / (wp.i - wm.i); - wp.c -= change; - wp.s += shift; - wm.c += change; - wp.z += shift; - wp.m += shift; - } - - // All other shifts, applied to the smaller subtrees between w- and w+, are - // performed by this function. To prepare the shifts, we have to adjust - // change(w+), shift(w+), and change(w-). - function executeShifts(v) { - var shift = 0, - change = 0, - children = v.children, - i = children.length, - w; - while (--i >= 0) { - w = children[i]; - w.z += shift; - w.m += shift; - shift += w.s + (change += w.c); - } - } - - // If vi-’s ancestor is a sibling of v, returns vi-’s ancestor. Otherwise, - // returns the specified (default) ancestor. - function nextAncestor(vim, v, ancestor) { - return vim.a.parent === v.parent ? vim.a : ancestor; - } - - function TreeNode(node, i) { - this._ = node; - this.parent = null; - this.children = null; - this.A = null; // default ancestor - this.a = this; // ancestor - this.z = 0; // prelim - this.m = 0; // mod - this.c = 0; // change - this.s = 0; // shift - this.t = null; // thread - this.i = i; // number - } - - TreeNode.prototype = Object.create(Node.prototype); - - function treeRoot(root) { - var tree = new TreeNode(root, 0), - node, - nodes = [tree], - child, - children, - i, - n; - - while (node = nodes.pop()) { - if (children = node._.children) { - node.children = new Array(n = children.length); - for (i = n - 1; i >= 0; --i) { - nodes.push(child = node.children[i] = new TreeNode(children[i], i)); - child.parent = node; - } - } - } - - (tree.parent = new TreeNode(null, 0)).children = [tree]; - return tree; - } - - // Node-link tree diagram using the Reingold-Tilford "tidy" algorithm - function tree() { - var separation = defaultSeparation$1, - dx = 1, - dy = 1, - nodeSize = null; - - function tree(root) { - var t = treeRoot(root); - - // Compute the layout using Buchheim et al.’s algorithm. - t.eachAfter(firstWalk), t.parent.m = -t.z; - t.eachBefore(secondWalk); - - // If a fixed node size is specified, scale x and y. - if (nodeSize) root.eachBefore(sizeNode); - - // If a fixed tree size is specified, scale x and y based on the extent. - // Compute the left-most, right-most, and depth-most nodes for extents. - else { - var left = root, - right = root, - bottom = root; - root.eachBefore(function(node) { - if (node.x < left.x) left = node; - if (node.x > right.x) right = node; - if (node.depth > bottom.depth) bottom = node; - }); - var s = left === right ? 1 : separation(left, right) / 2, - tx = s - left.x, - kx = dx / (right.x + s + tx), - ky = dy / (bottom.depth || 1); - root.eachBefore(function(node) { - node.x = (node.x + tx) * kx; - node.y = node.depth * ky; - }); - } - - return root; - } - - // Computes a preliminary x-coordinate for v. Before that, FIRST WALK is - // applied recursively to the children of v, as well as the function - // APPORTION. After spacing out the children by calling EXECUTE SHIFTS, the - // node v is placed to the midpoint of its outermost children. - function firstWalk(v) { - var children = v.children, - siblings = v.parent.children, - w = v.i ? siblings[v.i - 1] : null; - if (children) { - executeShifts(v); - var midpoint = (children[0].z + children[children.length - 1].z) / 2; - if (w) { - v.z = w.z + separation(v._, w._); - v.m = v.z - midpoint; - } else { - v.z = midpoint; - } - } else if (w) { - v.z = w.z + separation(v._, w._); - } - v.parent.A = apportion(v, w, v.parent.A || siblings[0]); - } - - // Computes all real x-coordinates by summing up the modifiers recursively. - function secondWalk(v) { - v._.x = v.z + v.parent.m; - v.m += v.parent.m; - } - - // The core of the algorithm. Here, a new subtree is combined with the - // previous subtrees. Threads are used to traverse the inside and outside - // contours of the left and right subtree up to the highest common level. The - // vertices used for the traversals are vi+, vi-, vo-, and vo+, where the - // superscript o means outside and i means inside, the subscript - means left - // subtree and + means right subtree. For summing up the modifiers along the - // contour, we use respective variables si+, si-, so-, and so+. Whenever two - // nodes of the inside contours conflict, we compute the left one of the - // greatest uncommon ancestors using the function ANCESTOR and call MOVE - // SUBTREE to shift the subtree and prepare the shifts of smaller subtrees. - // Finally, we add a new thread (if necessary). - function apportion(v, w, ancestor) { - if (w) { - var vip = v, - vop = v, - vim = w, - vom = vip.parent.children[0], - sip = vip.m, - sop = vop.m, - sim = vim.m, - som = vom.m, - shift; - while (vim = nextRight(vim), vip = nextLeft(vip), vim && vip) { - vom = nextLeft(vom); - vop = nextRight(vop); - vop.a = v; - shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); - if (shift > 0) { - moveSubtree(nextAncestor(vim, v, ancestor), v, shift); - sip += shift; - sop += shift; - } - sim += vim.m; - sip += vip.m; - som += vom.m; - sop += vop.m; - } - if (vim && !nextRight(vop)) { - vop.t = vim; - vop.m += sim - sop; - } - if (vip && !nextLeft(vom)) { - vom.t = vip; - vom.m += sip - som; - ancestor = v; - } - } - return ancestor; - } - - function sizeNode(node) { - node.x *= dx; - node.y = node.depth * dy; - } - - tree.separation = function(x) { - return arguments.length ? (separation = x, tree) : separation; - }; - - tree.size = function(x) { - return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], tree) : (nodeSize ? null : [dx, dy]); - }; - - tree.nodeSize = function(x) { - return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], tree) : (nodeSize ? [dx, dy] : null); - }; - - return tree; - } - - function treemapSlice(parent, x0, y0, x1, y1) { - var nodes = parent.children, - node, - i = -1, - n = nodes.length, - k = parent.value && (y1 - y0) / parent.value; - - while (++i < n) { - node = nodes[i], node.x0 = x0, node.x1 = x1; - node.y0 = y0, node.y1 = y0 += node.value * k; - } - } - - var phi = (1 + Math.sqrt(5)) / 2; - - function squarifyRatio(ratio, parent, x0, y0, x1, y1) { - var rows = [], - nodes = parent.children, - row, - nodeValue, - i0 = 0, - i1, - n = nodes.length, - dx, dy, - value = parent.value, - sumValue, - minValue, - maxValue, - newRatio, - minRatio, - alpha, - beta; - - while (i0 < n) { - dx = x1 - x0, dy = y1 - y0; - minValue = maxValue = sumValue = nodes[i0].value; - alpha = Math.max(dy / dx, dx / dy) / (value * ratio); - beta = sumValue * sumValue * alpha; - minRatio = Math.max(maxValue / beta, beta / minValue); - - // Keep adding nodes while the aspect ratio maintains or improves. - for (i1 = i0 + 1; i1 < n; ++i1) { - sumValue += nodeValue = nodes[i1].value; - if (nodeValue < minValue) minValue = nodeValue; - if (nodeValue > maxValue) maxValue = nodeValue; - beta = sumValue * sumValue * alpha; - newRatio = Math.max(maxValue / beta, beta / minValue); - if (newRatio > minRatio) { sumValue -= nodeValue; break; } - minRatio = newRatio; - } - - // Position and record the row orientation. - rows.push(row = {value: sumValue, dice: dx < dy, children: nodes.slice(i0, i1)}); - if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += dy * sumValue / value : y1); - else treemapSlice(row, x0, y0, value ? x0 += dx * sumValue / value : x1, y1); - value -= sumValue, i0 = i1; - } - - return rows; - } - - var squarify = (function custom(ratio) { - - function squarify(parent, x0, y0, x1, y1) { - squarifyRatio(ratio, parent, x0, y0, x1, y1); - } - - squarify.ratio = function(x) { - return custom((x = +x) > 1 ? x : 1); - }; - - return squarify; - })(phi); - - function index$1() { - var tile = squarify, - round = false, - dx = 1, - dy = 1, - paddingStack = [0], - paddingInner = constantZero, - paddingTop = constantZero, - paddingRight = constantZero, - paddingBottom = constantZero, - paddingLeft = constantZero; - - function treemap(root) { - root.x0 = - root.y0 = 0; - root.x1 = dx; - root.y1 = dy; - root.eachBefore(positionNode); - paddingStack = [0]; - if (round) root.eachBefore(roundNode); - return root; - } - - function positionNode(node) { - var p = paddingStack[node.depth], - x0 = node.x0 + p, - y0 = node.y0 + p, - x1 = node.x1 - p, - y1 = node.y1 - p; - if (x1 < x0) x0 = x1 = (x0 + x1) / 2; - if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - node.x0 = x0; - node.y0 = y0; - node.x1 = x1; - node.y1 = y1; - if (node.children) { - p = paddingStack[node.depth + 1] = paddingInner(node) / 2; - x0 += paddingLeft(node) - p; - y0 += paddingTop(node) - p; - x1 -= paddingRight(node) - p; - y1 -= paddingBottom(node) - p; - if (x1 < x0) x0 = x1 = (x0 + x1) / 2; - if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - tile(node, x0, y0, x1, y1); - } - } - - treemap.round = function(x) { - return arguments.length ? (round = !!x, treemap) : round; - }; - - treemap.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], treemap) : [dx, dy]; - }; - - treemap.tile = function(x) { - return arguments.length ? (tile = required(x), treemap) : tile; - }; - - treemap.padding = function(x) { - return arguments.length ? treemap.paddingInner(x).paddingOuter(x) : treemap.paddingInner(); - }; - - treemap.paddingInner = function(x) { - return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$5(+x), treemap) : paddingInner; - }; - - treemap.paddingOuter = function(x) { - return arguments.length ? treemap.paddingTop(x).paddingRight(x).paddingBottom(x).paddingLeft(x) : treemap.paddingTop(); - }; - - treemap.paddingTop = function(x) { - return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$5(+x), treemap) : paddingTop; - }; - - treemap.paddingRight = function(x) { - return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$5(+x), treemap) : paddingRight; - }; - - treemap.paddingBottom = function(x) { - return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$5(+x), treemap) : paddingBottom; - }; - - treemap.paddingLeft = function(x) { - return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$5(+x), treemap) : paddingLeft; - }; - - return treemap; - } - - function binary(parent, x0, y0, x1, y1) { - var nodes = parent.children, - i, n = nodes.length, - sum, sums = new Array(n + 1); - - for (sums[0] = sum = i = 0; i < n; ++i) { - sums[i + 1] = sum += nodes[i].value; - } - - partition(0, n, parent.value, x0, y0, x1, y1); - - function partition(i, j, value, x0, y0, x1, y1) { - if (i >= j - 1) { - var node = nodes[i]; - node.x0 = x0, node.y0 = y0; - node.x1 = x1, node.y1 = y1; - return; - } - - var valueOffset = sums[i], - valueTarget = (value / 2) + valueOffset, - k = i + 1, - hi = j - 1; - - while (k < hi) { - var mid = k + hi >>> 1; - if (sums[mid] < valueTarget) k = mid + 1; - else hi = mid; - } - - var valueLeft = sums[k] - valueOffset, - valueRight = value - valueLeft; - - if ((y1 - y0) > (x1 - x0)) { - var yk = (y0 * valueRight + y1 * valueLeft) / value; - partition(i, k, valueLeft, x0, y0, x1, yk); - partition(k, j, valueRight, x0, yk, x1, y1); - } else { - var xk = (x0 * valueRight + x1 * valueLeft) / value; - partition(i, k, valueLeft, x0, y0, xk, y1); - partition(k, j, valueRight, xk, y0, x1, y1); - } - } - } - - function sliceDice(parent, x0, y0, x1, y1) { - (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); - } - - var resquarify = (function custom(ratio) { - - function resquarify(parent, x0, y0, x1, y1) { - if ((rows = parent._squarify) && (rows.ratio === ratio)) { - var rows, - row, - nodes, - i, - j = -1, - n, - m = rows.length, - value = parent.value; - - while (++j < m) { - row = rows[j], nodes = row.children; - for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value; - if (row.dice) treemapDice(row, x0, y0, x1, y0 += (y1 - y0) * row.value / value); - else treemapSlice(row, x0, y0, x0 += (x1 - x0) * row.value / value, y1); - value -= row.value; - } - } else { - parent._squarify = rows = squarifyRatio(ratio, parent, x0, y0, x1, y1); - rows.ratio = ratio; - } - } - - resquarify.ratio = function(x) { - return custom((x = +x) > 1 ? x : 1); - }; - - return resquarify; - })(phi); - - function center$1(x, y) { - var nodes; - - if (x == null) x = 0; - if (y == null) y = 0; - - function force() { - var i, - n = nodes.length, - node, - sx = 0, - sy = 0; - - for (i = 0; i < n; ++i) { - node = nodes[i], sx += node.x, sy += node.y; - } - - for (sx = sx / n - x, sy = sy / n - y, i = 0; i < n; ++i) { - node = nodes[i], node.x -= sx, node.y -= sy; - } - } - - force.initialize = function(_) { - nodes = _; - }; - - force.x = function(_) { - return arguments.length ? (x = +_, force) : x; - }; - - force.y = function(_) { - return arguments.length ? (y = +_, force) : y; - }; - - return force; - } - - function constant$6(x) { - return function() { - return x; - }; - } - - function jiggle() { - return (Math.random() - 0.5) * 1e-6; - } - - function x$1(d) { - return d.x + d.vx; - } - - function y$1(d) { - return d.y + d.vy; - } - - function collide(radius) { - var nodes, - radii, - strength = 1, - iterations = 1; - - if (typeof radius !== "function") radius = constant$6(radius == null ? 1 : +radius); - - function force() { - var i, n = nodes.length, - tree, - node, - xi, - yi, - ri, - ri2; - - for (var k = 0; k < iterations; ++k) { - tree = quadtree(nodes, x$1, y$1).visitAfter(prepare); - for (i = 0; i < n; ++i) { - node = nodes[i]; - ri = radii[i], ri2 = ri * ri; - xi = node.x + node.vx; - yi = node.y + node.vy; - tree.visit(apply); - } - } - - function apply(quad, x0, y0, x1, y1) { - var data = quad.data, rj = quad.r, r = ri + rj; - if (data) { - if (data.index > i) { - var x = xi - data.x - data.vx, - y = yi - data.y - data.vy, - l = x * x + y * y; - if (l < r * r) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - l = (r - (l = Math.sqrt(l))) / l * strength; - node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj)); - node.vy += (y *= l) * r; - data.vx -= x * (r = 1 - r); - data.vy -= y * r; - } - } - return; - } - return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r; - } - } - - function prepare(quad) { - if (quad.data) return quad.r = radii[quad.data.index]; - for (var i = quad.r = 0; i < 4; ++i) { - if (quad[i] && quad[i].r > quad.r) { - quad.r = quad[i].r; - } - } - } - - force.initialize = function(_) { - var i, n = (nodes = _).length; radii = new Array(n); - for (i = 0; i < n; ++i) radii[i] = +radius(nodes[i], i, nodes); - }; - - force.iterations = function(_) { - return arguments.length ? (iterations = +_, force) : iterations; - }; - - force.strength = function(_) { - return arguments.length ? (strength = +_, force) : strength; - }; - - force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$6(+_), force) : radius; - }; - - return force; - } - - function index$2(d, i) { - return i; - } - - function link(links) { - var id = index$2, - strength = defaultStrength, - strengths, - distance = constant$6(30), - distances, - nodes, - count, - bias, - iterations = 1; - - if (links == null) links = []; - - function defaultStrength(link) { - return 1 / Math.min(count[link.source.index], count[link.target.index]); - } - - function force(alpha) { - for (var k = 0, n = links.length; k < iterations; ++k) { - for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) { - link = links[i], source = link.source, target = link.target; - x = target.x + target.vx - source.x - source.vx || jiggle(); - y = target.y + target.vy - source.y - source.vy || jiggle(); - l = Math.sqrt(x * x + y * y); - l = (l - distances[i]) / l * alpha * strengths[i]; - x *= l, y *= l; - target.vx -= x * (b = bias[i]); - target.vy -= y * b; - source.vx += x * (b = 1 - b); - source.vy += y * b; - } - } - } - - function initialize() { - if (!nodes) return; - - var i, - n = nodes.length, - m = links.length, - nodeById = map$1(nodes, id), - link; - - for (i = 0, count = new Array(n); i < n; ++i) { - count[i] = 0; - } - - for (i = 0; i < m; ++i) { - link = links[i], link.index = i; - if (typeof link.source !== "object") link.source = nodeById.get(link.source); - if (typeof link.target !== "object") link.target = nodeById.get(link.target); - ++count[link.source.index], ++count[link.target.index]; - } - - for (i = 0, bias = new Array(m); i < m; ++i) { - link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]); - } - - strengths = new Array(m), initializeStrength(); - distances = new Array(m), initializeDistance(); - } - - function initializeStrength() { - if (!nodes) return; - - for (var i = 0, n = links.length; i < n; ++i) { - strengths[i] = +strength(links[i], i, links); - } - } - - function initializeDistance() { - if (!nodes) return; - - for (var i = 0, n = links.length; i < n; ++i) { - distances[i] = +distance(links[i], i, links); - } - } - - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.links = function(_) { - return arguments.length ? (links = _, initialize(), force) : links; - }; - - force.id = function(_) { - return arguments.length ? (id = _, force) : id; - }; - - force.iterations = function(_) { - return arguments.length ? (iterations = +_, force) : iterations; - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initializeStrength(), force) : strength; - }; - - force.distance = function(_) { - return arguments.length ? (distance = typeof _ === "function" ? _ : constant$6(+_), initializeDistance(), force) : distance; - }; - - return force; - } - - function x$2(d) { - return d.x; - } - - function y$2(d) { - return d.y; - } - - var initialRadius = 10; - var initialAngle = Math.PI * (3 - Math.sqrt(5)); - function simulation(nodes) { - var simulation, - alpha = 1, - alphaMin = 0.001, - alphaDecay = 1 - Math.pow(alphaMin, 1 / 300), - alphaTarget = 0, - velocityDecay = 0.6, - forces = map$1(), - stepper = timer(step), - event = dispatch("tick", "end"); - - if (nodes == null) nodes = []; - - function step() { - tick(); - event.call("tick", simulation); - if (alpha < alphaMin) { - stepper.stop(); - event.call("end", simulation); - } - } - - function tick() { - var i, n = nodes.length, node; - - alpha += (alphaTarget - alpha) * alphaDecay; - - forces.each(function(force) { - force(alpha); - }); - - for (i = 0; i < n; ++i) { - node = nodes[i]; - if (node.fx == null) node.x += node.vx *= velocityDecay; - else node.x = node.fx, node.vx = 0; - if (node.fy == null) node.y += node.vy *= velocityDecay; - else node.y = node.fy, node.vy = 0; - } - } - - function initializeNodes() { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.index = i; - if (isNaN(node.x) || isNaN(node.y)) { - var radius = initialRadius * Math.sqrt(i), angle = i * initialAngle; - node.x = radius * Math.cos(angle); - node.y = radius * Math.sin(angle); - } - if (isNaN(node.vx) || isNaN(node.vy)) { - node.vx = node.vy = 0; - } - } - } - - function initializeForce(force) { - if (force.initialize) force.initialize(nodes); - return force; - } - - initializeNodes(); - - return simulation = { - tick: tick, - - restart: function() { - return stepper.restart(step), simulation; - }, - - stop: function() { - return stepper.stop(), simulation; - }, - - nodes: function(_) { - return arguments.length ? (nodes = _, initializeNodes(), forces.each(initializeForce), simulation) : nodes; - }, - - alpha: function(_) { - return arguments.length ? (alpha = +_, simulation) : alpha; - }, - - alphaMin: function(_) { - return arguments.length ? (alphaMin = +_, simulation) : alphaMin; - }, - - alphaDecay: function(_) { - return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay; - }, - - alphaTarget: function(_) { - return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget; - }, - - velocityDecay: function(_) { - return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay; - }, - - force: function(name, _) { - return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); - }, - - find: function(x, y, radius) { - var i = 0, - n = nodes.length, - dx, - dy, - d2, - node, - closest; - - if (radius == null) radius = Infinity; - else radius *= radius; - - for (i = 0; i < n; ++i) { - node = nodes[i]; - dx = x - node.x; - dy = y - node.y; - d2 = dx * dx + dy * dy; - if (d2 < radius) closest = node, radius = d2; - } - - return closest; - }, - - on: function(name, _) { - return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); - } - }; - } - - function manyBody() { - var nodes, - node, - alpha, - strength = constant$6(-30), - strengths, - distanceMin2 = 1, - distanceMax2 = Infinity, - theta2 = 0.81; - - function force(_) { - var i, n = nodes.length, tree = quadtree(nodes, x$2, y$2).visitAfter(accumulate); - for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); - } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - for (i = 0; i < n; ++i) strengths[i] = +strength(nodes[i], i, nodes); - } - - function accumulate(quad) { - var strength = 0, q, c, x, y, i; - - // For internal nodes, accumulate forces from child quadrants. - if (quad.length) { - for (x = y = i = 0; i < 4; ++i) { - if ((q = quad[i]) && (c = q.value)) { - strength += c, x += c * q.x, y += c * q.y; - } - } - quad.x = x / strength; - quad.y = y / strength; - } - - // For leaf nodes, accumulate forces from coincident quadrants. - else { - q = quad; - q.x = q.data.x; - q.y = q.data.y; - do strength += strengths[q.data.index]; - while (q = q.next); - } - - quad.value = strength; - } - - function apply(quad, x1, _, x2) { - if (!quad.value) return true; - - var x = quad.x - node.x, - y = quad.y - node.y, - w = x2 - x1, - l = x * x + y * y; - - // Apply the Barnes-Hut approximation if possible. - // Limit forces for very close nodes; randomize direction if coincident. - if (w * w / theta2 < l) { - if (l < distanceMax2) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); - node.vx += x * quad.value * alpha / l; - node.vy += y * quad.value * alpha / l; - } - return true; - } - - // Otherwise, process points directly. - else if (quad.length || l >= distanceMax2) return; - - // Limit forces for very close nodes; randomize direction if coincident. - if (quad.data !== node || quad.next) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); - } - - do if (quad.data !== node) { - w = strengths[quad.data.index] * alpha / l; - node.vx += x * w; - node.vy += y * w; - } while (quad = quad.next); - } - - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; - }; - - force.distanceMin = function(_) { - return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2); - }; - - force.distanceMax = function(_) { - return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2); - }; - - force.theta = function(_) { - return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2); - }; - - return force; - } - - function x$3(x) { - var strength = constant$6(0.1), - nodes, - strengths, - xz; - - if (typeof x !== "function") x = constant$6(x == null ? 0 : +x); - - function force(alpha) { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha; - } - } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - xz = new Array(n); - for (i = 0; i < n; ++i) { - strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); - } - } - - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; - }; - - force.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : x; - }; - - return force; - } - - function y$3(y) { - var strength = constant$6(0.1), - nodes, - strengths, - yz; - - if (typeof y !== "function") y = constant$6(y == null ? 0 : +y); - - function force(alpha) { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha; - } - } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - yz = new Array(n); - for (i = 0; i < n; ++i) { - strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); - } - } - - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; - }; - - force.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : y; - }; - - return force; - } - - function nopropagation() { - exports.event.stopImmediatePropagation(); - } - - function noevent() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); - } - - function dragDisable(view) { - var root = view.document.documentElement, - selection = select(view).on("dragstart.drag", noevent, true); - if ("onselectstart" in root) { - selection.on("selectstart.drag", noevent, true); - } else { - root.__noselect = root.style.MozUserSelect; - root.style.MozUserSelect = "none"; - } - } - - function dragEnable(view, noclick) { - var root = view.document.documentElement, - selection = select(view).on("dragstart.drag", null); - if (noclick) { - selection.on("click.drag", noevent, true); - setTimeout(function() { selection.on("click.drag", null); }, 0); - } - if ("onselectstart" in root) { - selection.on("selectstart.drag", null); - } else { - root.style.MozUserSelect = root.__noselect; - delete root.__noselect; - } - } - - function constant$7(x) { - return function() { - return x; - }; - } - - function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) { - this.target = target; - this.type = type; - this.subject = subject; - this.identifier = id; - this.active = active; - this.x = x; - this.y = y; - this.dx = dx; - this.dy = dy; - this._ = dispatch; - } - - DragEvent.prototype.on = function() { - var value = this._.on.apply(this._, arguments); - return value === this._ ? this : value; - }; - - // Ignore right-click, since that should open the context menu. - function defaultFilter() { - return !exports.event.button; - } - - function defaultContainer() { - return this.parentNode; - } - - function defaultSubject(d) { - return d == null ? {x: exports.event.x, y: exports.event.y} : d; - } - - function drag() { - var filter = defaultFilter, - container = defaultContainer, - subject = defaultSubject, - gestures = {}, - listeners = dispatch("start", "drag", "end"), - active = 0, - mousemoving, - touchending; - - function drag(selection) { - selection - .on("mousedown.drag", mousedowned) - .on("touchstart.drag", touchstarted) - .on("touchmove.drag", touchmoved) - .on("touchend.drag touchcancel.drag", touchended) - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); - } - - function mousedowned() { - if (touchending || !filter.apply(this, arguments)) return; - var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments); - if (!gesture) return; - select(exports.event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); - dragDisable(exports.event.view); - nopropagation(); - mousemoving = false; - gesture("start"); - } - - function mousemoved() { - noevent(); - mousemoving = true; - gestures.mouse("drag"); - } - - function mouseupped() { - select(exports.event.view).on("mousemove.drag mouseup.drag", null); - dragEnable(exports.event.view, mousemoving); - noevent(); - gestures.mouse("end"); - } - - function touchstarted() { - if (!filter.apply(this, arguments)) return; - var touches = exports.event.changedTouches, - c = container.apply(this, arguments), - n = touches.length, i, gesture; - - for (i = 0; i < n; ++i) { - if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) { - nopropagation(); - gesture("start"); - } - } - } - - function touchmoved() { - var touches = exports.event.changedTouches, - n = touches.length, i, gesture; - - for (i = 0; i < n; ++i) { - if (gesture = gestures[touches[i].identifier]) { - noevent(); - gesture("drag"); - } - } - } - - function touchended() { - var touches = exports.event.changedTouches, - n = touches.length, i, gesture; - - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! - for (i = 0; i < n; ++i) { - if (gesture = gestures[touches[i].identifier]) { - nopropagation(); - gesture("end"); - } - } - } - - function beforestart(id, container, point, that, args) { - var p = point(container, id), s, dx, dy, - sublisteners = listeners.copy(); - - if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { - if ((exports.event.subject = s = subject.apply(that, args)) == null) return false; - dx = s.x - p[0] || 0; - dy = s.y - p[1] || 0; - return true; - })) return; - - return function gesture(type) { - var p0 = p, n; - switch (type) { - case "start": gestures[id] = gesture, n = active++; break; - case "end": delete gestures[id], --active; // nobreak - case "drag": p = point(container, id), n = active; break; - } - customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); - }; - } - - drag.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$7(!!_), drag) : filter; - }; - - drag.container = function(_) { - return arguments.length ? (container = typeof _ === "function" ? _ : constant$7(_), drag) : container; - }; - - drag.subject = function(_) { - return arguments.length ? (subject = typeof _ === "function" ? _ : constant$7(_), drag) : subject; - }; - - drag.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? drag : value; - }; - - return drag; - } - - function constant$8(x) { - return function() { - return x; - }; - } - - function x$4(d) { - return d[0]; - } - - function y$4(d) { - return d[1]; - } - - function RedBlackTree() { - this._ = null; // root node - } - - function RedBlackNode(node) { - node.U = // parent node - node.C = // color - true for red, false for black - node.L = // left node - node.R = // right node - node.P = // previous node - node.N = null; // next node - } - - RedBlackTree.prototype = { - constructor: RedBlackTree, - - insert: function(after, node) { - var parent, grandpa, uncle; - - if (after) { - node.P = after; - node.N = after.N; - if (after.N) after.N.P = node; - after.N = node; - if (after.R) { - after = after.R; - while (after.L) after = after.L; - after.L = node; - } else { - after.R = node; - } - parent = after; - } else if (this._) { - after = RedBlackFirst(this._); - node.P = null; - node.N = after; - after.P = after.L = node; - parent = after; - } else { - node.P = node.N = null; - this._ = node; - parent = null; - } - node.L = node.R = null; - node.U = parent; - node.C = true; - - after = node; - while (parent && parent.C) { - grandpa = parent.U; - if (parent === grandpa.L) { - uncle = grandpa.R; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.R) { - RedBlackRotateLeft(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - RedBlackRotateRight(this, grandpa); - } - } else { - uncle = grandpa.L; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.L) { - RedBlackRotateRight(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - RedBlackRotateLeft(this, grandpa); - } - } - parent = after.U; - } - this._.C = false; - }, - - remove: function(node) { - if (node.N) node.N.P = node.P; - if (node.P) node.P.N = node.N; - node.N = node.P = null; - - var parent = node.U, - sibling, - left = node.L, - right = node.R, - next, - red; - - if (!left) next = right; - else if (!right) next = left; - else next = RedBlackFirst(right); - - if (parent) { - if (parent.L === node) parent.L = next; - else parent.R = next; - } else { - this._ = next; - } - - if (left && right) { - red = next.C; - next.C = node.C; - next.L = left; - left.U = next; - if (next !== right) { - parent = next.U; - next.U = node.U; - node = next.R; - parent.L = node; - next.R = right; - right.U = next; - } else { - next.U = parent; - parent = next; - node = next.R; - } - } else { - red = node.C; - node = next; - } - - if (node) node.U = parent; - if (red) return; - if (node && node.C) { node.C = false; return; } - - do { - if (node === this._) break; - if (node === parent.L) { - sibling = parent.R; - if (sibling.C) { - sibling.C = false; - parent.C = true; - RedBlackRotateLeft(this, parent); - sibling = parent.R; - } - if ((sibling.L && sibling.L.C) - || (sibling.R && sibling.R.C)) { - if (!sibling.R || !sibling.R.C) { - sibling.L.C = false; - sibling.C = true; - RedBlackRotateRight(this, sibling); - sibling = parent.R; - } - sibling.C = parent.C; - parent.C = sibling.R.C = false; - RedBlackRotateLeft(this, parent); - node = this._; - break; - } - } else { - sibling = parent.L; - if (sibling.C) { - sibling.C = false; - parent.C = true; - RedBlackRotateRight(this, parent); - sibling = parent.L; - } - if ((sibling.L && sibling.L.C) - || (sibling.R && sibling.R.C)) { - if (!sibling.L || !sibling.L.C) { - sibling.R.C = false; - sibling.C = true; - RedBlackRotateLeft(this, sibling); - sibling = parent.L; - } - sibling.C = parent.C; - parent.C = sibling.L.C = false; - RedBlackRotateRight(this, parent); - node = this._; - break; - } - } - sibling.C = true; - node = parent; - parent = parent.U; - } while (!node.C); - - if (node) node.C = false; - } - }; - - function RedBlackRotateLeft(tree, node) { - var p = node, - q = node.R, - parent = p.U; - - if (parent) { - if (parent.L === p) parent.L = q; - else parent.R = q; - } else { - tree._ = q; - } - - q.U = parent; - p.U = q; - p.R = q.L; - if (p.R) p.R.U = p; - q.L = p; - } - - function RedBlackRotateRight(tree, node) { - var p = node, - q = node.L, - parent = p.U; - - if (parent) { - if (parent.L === p) parent.L = q; - else parent.R = q; - } else { - tree._ = q; - } - - q.U = parent; - p.U = q; - p.L = q.R; - if (p.L) p.L.U = p; - q.R = p; - } - - function RedBlackFirst(node) { - while (node.L) node = node.L; - return node; - } - - function createEdge(left, right, v0, v1) { - var edge = [null, null], - index = edges.push(edge) - 1; - edge.left = left; - edge.right = right; - if (v0) setEdgeEnd(edge, left, right, v0); - if (v1) setEdgeEnd(edge, right, left, v1); - cells[left.index].halfedges.push(index); - cells[right.index].halfedges.push(index); - return edge; - } - - function createBorderEdge(left, v0, v1) { - var edge = [v0, v1]; - edge.left = left; - return edge; - } - - function setEdgeEnd(edge, left, right, vertex) { - if (!edge[0] && !edge[1]) { - edge[0] = vertex; - edge.left = left; - edge.right = right; - } else if (edge.left === right) { - edge[1] = vertex; - } else { - edge[0] = vertex; - } - } - - // Liang–Barsky line clipping. - function clipEdge(edge, x0, y0, x1, y1) { - var a = edge[0], - b = edge[1], - ax = a[0], - ay = a[1], - bx = b[0], - by = b[1], - t0 = 0, - t1 = 1, - dx = bx - ax, - dy = by - ay, - r; - - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - if (!(t0 > 0) && !(t1 < 1)) return true; // TODO Better check? - - if (t0 > 0) edge[0] = [ax + t0 * dx, ay + t0 * dy]; - if (t1 < 1) edge[1] = [ax + t1 * dx, ay + t1 * dy]; - return true; - } - - function connectEdge(edge, x0, y0, x1, y1) { - var v1 = edge[1]; - if (v1) return true; - - var v0 = edge[0], - left = edge.left, - right = edge.right, - lx = left[0], - ly = left[1], - rx = right[0], - ry = right[1], - fx = (lx + rx) / 2, - fy = (ly + ry) / 2, - fm, - fb; - - if (ry === ly) { - if (fx < x0 || fx >= x1) return; - if (lx > rx) { - if (!v0) v0 = [fx, y0]; - else if (v0[1] >= y1) return; - v1 = [fx, y1]; - } else { - if (!v0) v0 = [fx, y1]; - else if (v0[1] < y0) return; - v1 = [fx, y0]; - } - } else { - fm = (lx - rx) / (ry - ly); - fb = fy - fm * fx; - if (fm < -1 || fm > 1) { - if (lx > rx) { - if (!v0) v0 = [(y0 - fb) / fm, y0]; - else if (v0[1] >= y1) return; - v1 = [(y1 - fb) / fm, y1]; - } else { - if (!v0) v0 = [(y1 - fb) / fm, y1]; - else if (v0[1] < y0) return; - v1 = [(y0 - fb) / fm, y0]; - } - } else { - if (ly < ry) { - if (!v0) v0 = [x0, fm * x0 + fb]; - else if (v0[0] >= x1) return; - v1 = [x1, fm * x1 + fb]; - } else { - if (!v0) v0 = [x1, fm * x1 + fb]; - else if (v0[0] < x0) return; - v1 = [x0, fm * x0 + fb]; - } - } - } - - edge[0] = v0; - edge[1] = v1; - return true; - } - - function clipEdges(x0, y0, x1, y1) { - var i = edges.length, - edge; - - while (i--) { - if (!connectEdge(edge = edges[i], x0, y0, x1, y1) - || !clipEdge(edge, x0, y0, x1, y1) - || !(Math.abs(edge[0][0] - edge[1][0]) > epsilon$3 - || Math.abs(edge[0][1] - edge[1][1]) > epsilon$3)) { - delete edges[i]; - } - } - } - - function createCell(site) { - return cells[site.index] = { - site: site, - halfedges: [] - }; - } - - function cellHalfedgeAngle(cell, edge) { - var site = cell.site, - va = edge.left, - vb = edge.right; - if (site === vb) vb = va, va = site; - if (vb) return Math.atan2(vb[1] - va[1], vb[0] - va[0]); - if (site === va) va = edge[1], vb = edge[0]; - else va = edge[0], vb = edge[1]; - return Math.atan2(va[0] - vb[0], vb[1] - va[1]); - } - - function cellHalfedgeStart(cell, edge) { - return edge[+(edge.left !== cell.site)]; - } - - function cellHalfedgeEnd(cell, edge) { - return edge[+(edge.left === cell.site)]; - } - - function sortCellHalfedges() { - for (var i = 0, n = cells.length, cell, halfedges, j, m; i < n; ++i) { - if ((cell = cells[i]) && (m = (halfedges = cell.halfedges).length)) { - var index = new Array(m), - array = new Array(m); - for (j = 0; j < m; ++j) index[j] = j, array[j] = cellHalfedgeAngle(cell, edges[halfedges[j]]); - index.sort(function(i, j) { return array[j] - array[i]; }); - for (j = 0; j < m; ++j) array[j] = halfedges[index[j]]; - for (j = 0; j < m; ++j) halfedges[j] = array[j]; - } - } - } - - function clipCells(x0, y0, x1, y1) { - var nCells = cells.length, - iCell, - cell, - site, - iHalfedge, - halfedges, - nHalfedges, - start, - startX, - startY, - end, - endX, - endY, - cover = true; - - for (iCell = 0; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - site = cell.site; - halfedges = cell.halfedges; - iHalfedge = halfedges.length; - - // Remove any dangling clipped edges. - while (iHalfedge--) { - if (!edges[halfedges[iHalfedge]]) { - halfedges.splice(iHalfedge, 1); - } - } - - // Insert any border edges as necessary. - iHalfedge = 0, nHalfedges = halfedges.length; - while (iHalfedge < nHalfedges) { - end = cellHalfedgeEnd(cell, edges[halfedges[iHalfedge]]), endX = end[0], endY = end[1]; - start = cellHalfedgeStart(cell, edges[halfedges[++iHalfedge % nHalfedges]]), startX = start[0], startY = start[1]; - if (Math.abs(endX - startX) > epsilon$3 || Math.abs(endY - startY) > epsilon$3) { - halfedges.splice(iHalfedge, 0, edges.push(createBorderEdge(site, end, - Math.abs(endX - x0) < epsilon$3 && y1 - endY > epsilon$3 ? [x0, Math.abs(startX - x0) < epsilon$3 ? startY : y1] - : Math.abs(endY - y1) < epsilon$3 && x1 - endX > epsilon$3 ? [Math.abs(startY - y1) < epsilon$3 ? startX : x1, y1] - : Math.abs(endX - x1) < epsilon$3 && endY - y0 > epsilon$3 ? [x1, Math.abs(startX - x1) < epsilon$3 ? startY : y0] - : Math.abs(endY - y0) < epsilon$3 && endX - x0 > epsilon$3 ? [Math.abs(startY - y0) < epsilon$3 ? startX : x0, y0] - : null)) - 1); - ++nHalfedges; - } - } - - if (nHalfedges) cover = false; - } - } - - // If there weren’t any edges, have the closest site cover the extent. - // It doesn’t matter which corner of the extent we measure! - if (cover) { - var dx, dy, d2, dc = Infinity; - - for (iCell = 0, cover = null; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - site = cell.site; - dx = site[0] - x0; - dy = site[1] - y0; - d2 = dx * dx + dy * dy; - if (d2 < dc) dc = d2, cover = cell; - } - } - - if (cover) { - var v00 = [x0, y0], v01 = [x0, y1], v11 = [x1, y1], v10 = [x1, y0]; - cover.halfedges.push( - edges.push(createBorderEdge(site = cover.site, v00, v01)) - 1, - edges.push(createBorderEdge(site, v01, v11)) - 1, - edges.push(createBorderEdge(site, v11, v10)) - 1, - edges.push(createBorderEdge(site, v10, v00)) - 1 - ); - } - } - - // Lastly delete any cells with no edges; these were entirely clipped. - for (iCell = 0; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - if (!cell.halfedges.length) { - delete cells[iCell]; - } - } - } - } - - var circlePool = []; - - var firstCircle; - - function Circle() { - RedBlackNode(this); - this.x = - this.y = - this.arc = - this.site = - this.cy = null; - } - - function attachCircle(arc) { - var lArc = arc.P, - rArc = arc.N; - - if (!lArc || !rArc) return; - - var lSite = lArc.site, - cSite = arc.site, - rSite = rArc.site; - - if (lSite === rSite) return; - - var bx = cSite[0], - by = cSite[1], - ax = lSite[0] - bx, - ay = lSite[1] - by, - cx = rSite[0] - bx, - cy = rSite[1] - by; - - var d = 2 * (ax * cy - ay * cx); - if (d >= -epsilon2$1) return; - - var ha = ax * ax + ay * ay, - hc = cx * cx + cy * cy, - x = (cy * ha - ay * hc) / d, - y = (ax * hc - cx * ha) / d; - - var circle = circlePool.pop() || new Circle; - circle.arc = arc; - circle.site = cSite; - circle.x = x + bx; - circle.y = (circle.cy = y + by) + Math.sqrt(x * x + y * y); // y bottom - - arc.circle = circle; - - var before = null, - node = circles._; - - while (node) { - if (circle.y < node.y || (circle.y === node.y && circle.x <= node.x)) { - if (node.L) node = node.L; - else { before = node.P; break; } - } else { - if (node.R) node = node.R; - else { before = node; break; } - } - } - - circles.insert(before, circle); - if (!before) firstCircle = circle; - } - - function detachCircle(arc) { - var circle = arc.circle; - if (circle) { - if (!circle.P) firstCircle = circle.N; - circles.remove(circle); - circlePool.push(circle); - RedBlackNode(circle); - arc.circle = null; - } - } - - var beachPool = []; - - function Beach() { - RedBlackNode(this); - this.edge = - this.site = - this.circle = null; - } - - function createBeach(site) { - var beach = beachPool.pop() || new Beach; - beach.site = site; - return beach; - } - - function detachBeach(beach) { - detachCircle(beach); - beaches.remove(beach); - beachPool.push(beach); - RedBlackNode(beach); - } - - function removeBeach(beach) { - var circle = beach.circle, - x = circle.x, - y = circle.cy, - vertex = [x, y], - previous = beach.P, - next = beach.N, - disappearing = [beach]; - - detachBeach(beach); - - var lArc = previous; - while (lArc.circle - && Math.abs(x - lArc.circle.x) < epsilon$3 - && Math.abs(y - lArc.circle.cy) < epsilon$3) { - previous = lArc.P; - disappearing.unshift(lArc); - detachBeach(lArc); - lArc = previous; - } - - disappearing.unshift(lArc); - detachCircle(lArc); - - var rArc = next; - while (rArc.circle - && Math.abs(x - rArc.circle.x) < epsilon$3 - && Math.abs(y - rArc.circle.cy) < epsilon$3) { - next = rArc.N; - disappearing.push(rArc); - detachBeach(rArc); - rArc = next; - } - - disappearing.push(rArc); - detachCircle(rArc); - - var nArcs = disappearing.length, - iArc; - for (iArc = 1; iArc < nArcs; ++iArc) { - rArc = disappearing[iArc]; - lArc = disappearing[iArc - 1]; - setEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); - } - - lArc = disappearing[0]; - rArc = disappearing[nArcs - 1]; - rArc.edge = createEdge(lArc.site, rArc.site, null, vertex); - - attachCircle(lArc); - attachCircle(rArc); - } - - function addBeach(site) { - var x = site[0], - directrix = site[1], - lArc, - rArc, - dxl, - dxr, - node = beaches._; - - while (node) { - dxl = leftBreakPoint(node, directrix) - x; - if (dxl > epsilon$3) node = node.L; else { - dxr = x - rightBreakPoint(node, directrix); - if (dxr > epsilon$3) { - if (!node.R) { - lArc = node; - break; - } - node = node.R; - } else { - if (dxl > -epsilon$3) { - lArc = node.P; - rArc = node; - } else if (dxr > -epsilon$3) { - lArc = node; - rArc = node.N; - } else { - lArc = rArc = node; - } - break; - } - } - } - - createCell(site); - var newArc = createBeach(site); - beaches.insert(lArc, newArc); - - if (!lArc && !rArc) return; - - if (lArc === rArc) { - detachCircle(lArc); - rArc = createBeach(lArc.site); - beaches.insert(newArc, rArc); - newArc.edge = rArc.edge = createEdge(lArc.site, newArc.site); - attachCircle(lArc); - attachCircle(rArc); - return; - } - - if (!rArc) { // && lArc - newArc.edge = createEdge(lArc.site, newArc.site); - return; - } - - // else lArc !== rArc - detachCircle(lArc); - detachCircle(rArc); - - var lSite = lArc.site, - ax = lSite[0], - ay = lSite[1], - bx = site[0] - ax, - by = site[1] - ay, - rSite = rArc.site, - cx = rSite[0] - ax, - cy = rSite[1] - ay, - d = 2 * (bx * cy - by * cx), - hb = bx * bx + by * by, - hc = cx * cx + cy * cy, - vertex = [(cy * hb - by * hc) / d + ax, (bx * hc - cx * hb) / d + ay]; - - setEdgeEnd(rArc.edge, lSite, rSite, vertex); - newArc.edge = createEdge(lSite, site, null, vertex); - rArc.edge = createEdge(site, rSite, null, vertex); - attachCircle(lArc); - attachCircle(rArc); - } - - function leftBreakPoint(arc, directrix) { - var site = arc.site, - rfocx = site[0], - rfocy = site[1], - pby2 = rfocy - directrix; - - if (!pby2) return rfocx; - - var lArc = arc.P; - if (!lArc) return -Infinity; - - site = lArc.site; - var lfocx = site[0], - lfocy = site[1], - plby2 = lfocy - directrix; - - if (!plby2) return lfocx; - - var hl = lfocx - rfocx, - aby2 = 1 / pby2 - 1 / plby2, - b = hl / plby2; - - if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; - - return (rfocx + lfocx) / 2; - } - - function rightBreakPoint(arc, directrix) { - var rArc = arc.N; - if (rArc) return leftBreakPoint(rArc, directrix); - var site = arc.site; - return site[1] === directrix ? site[0] : Infinity; - } - - var epsilon$3 = 1e-6; - var epsilon2$1 = 1e-12; - var beaches; - var cells; - var circles; - var edges; - - function triangleArea(a, b, c) { - return (a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]); - } - - function lexicographic(a, b) { - return b[1] - a[1] - || b[0] - a[0]; - } - - function Diagram(sites, extent) { - var site = sites.sort(lexicographic).pop(), - x, - y, - circle; - - edges = []; - cells = new Array(sites.length); - beaches = new RedBlackTree; - circles = new RedBlackTree; - - while (true) { - circle = firstCircle; - if (site && (!circle || site[1] < circle.y || (site[1] === circle.y && site[0] < circle.x))) { - if (site[0] !== x || site[1] !== y) { - addBeach(site); - x = site[0], y = site[1]; - } - site = sites.pop(); - } else if (circle) { - removeBeach(circle.arc); - } else { - break; - } - } - - sortCellHalfedges(); - - if (extent) { - var x0 = +extent[0][0], - y0 = +extent[0][1], - x1 = +extent[1][0], - y1 = +extent[1][1]; - clipEdges(x0, y0, x1, y1); - clipCells(x0, y0, x1, y1); - } - - this.edges = edges; - this.cells = cells; - - beaches = - circles = - edges = - cells = null; - } - - Diagram.prototype = { - constructor: Diagram, - - polygons: function() { - var edges = this.edges; - - return this.cells.map(function(cell) { - var polygon = cell.halfedges.map(function(i) { return cellHalfedgeStart(cell, edges[i]); }); - polygon.data = cell.site.data; - return polygon; - }); - }, - - triangles: function() { - var triangles = [], - edges = this.edges; - - this.cells.forEach(function(cell, i) { - var site = cell.site, - halfedges = cell.halfedges, - j = -1, - m = halfedges.length, - s0, - e1 = edges[halfedges[m - 1]], - s1 = e1.left === site ? e1.right : e1.left; - - while (++j < m) { - s0 = s1; - e1 = edges[halfedges[j]]; - s1 = e1.left === site ? e1.right : e1.left; - if (i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) { - triangles.push([site.data, s0.data, s1.data]); - } - } - }); - - return triangles; - }, - - links: function() { - return this.edges.filter(function(edge) { - return edge.right; - }).map(function(edge) { - return { - source: edge.left.data, - target: edge.right.data - }; - }); - } - } - - function voronoi() { - var x = x$4, - y = y$4, - extent = null; - - function voronoi(data) { - return new Diagram(data.map(function(d, i) { - var s = [Math.round(x(d, i, data) / epsilon$3) * epsilon$3, Math.round(y(d, i, data) / epsilon$3) * epsilon$3]; - s.index = i; - s.data = d; - return s; - }), extent); - } - - voronoi.polygons = function(data) { - return voronoi(data).polygons(); - }; - - voronoi.links = function(data) { - return voronoi(data).links(); - }; - - voronoi.triangles = function(data) { - return voronoi(data).triangles(); - }; - - voronoi.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$8(+_), voronoi) : x; - }; - - voronoi.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$8(+_), voronoi) : y; - }; - - voronoi.extent = function(_) { - return arguments.length ? (extent = _ == null ? null : [[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]], voronoi) : extent && [[extent[0][0], extent[0][1]], [extent[1][0], extent[1][1]]]; - }; - - voronoi.size = function(_) { - return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0] - extent[0][0], extent[1][1] - extent[0][1]]; - }; - - return voronoi; - } - - function constant$9(x) { - return function() { - return x; - }; - } - - function ZoomEvent(target, type, transform) { - this.target = target; - this.type = type; - this.transform = transform; - } - - function Transform(k, x, y) { - this.k = k; - this.x = x; - this.y = y; - } - - Transform.prototype = { - constructor: Transform, - scale: function(k) { - return k === 1 ? this : new Transform(this.k * k, this.x, this.y); - }, - translate: function(x, y) { - return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y); - }, - apply: function(point) { - return [point[0] * this.k + this.x, point[1] * this.k + this.y]; - }, - applyX: function(x) { - return x * this.k + this.x; - }, - applyY: function(y) { - return y * this.k + this.y; - }, - invert: function(location) { - return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k]; - }, - invertX: function(x) { - return (x - this.x) / this.k; - }, - invertY: function(y) { - return (y - this.y) / this.k; - }, - rescaleX: function(x) { - return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x)); - }, - rescaleY: function(y) { - return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y)); - }, - toString: function() { - return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")"; - } - }; - - var identity$6 = new Transform(1, 0, 0); - - transform.prototype = Transform.prototype; - - function transform(node) { - return node.__zoom || identity$6; - } - - function nopropagation$1() { - exports.event.stopImmediatePropagation(); - } - - function noevent$1() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); - } - - // Ignore right-click, since that should open the context menu. - function defaultFilter$1() { - return !exports.event.button; - } - - function defaultExtent() { - var e = this, w, h; - if (e instanceof SVGElement) { - e = e.ownerSVGElement || e; - w = e.width.baseVal.value; - h = e.height.baseVal.value; - } else { - w = e.clientWidth; - h = e.clientHeight; - } - return [[0, 0], [w, h]]; - } - - function defaultTransform() { - return this.__zoom || identity$6; - } - - function zoom() { - var filter = defaultFilter$1, - extent = defaultExtent, - k0 = 0, - k1 = Infinity, - x0 = -k1, - x1 = k1, - y0 = x0, - y1 = x1, - duration = 250, - gestures = [], - listeners = dispatch("start", "zoom", "end"), - touchstarting, - touchending, - touchDelay = 500, - wheelDelay = 150; - - function zoom(selection) { - selection - .on("wheel.zoom", wheeled) - .on("mousedown.zoom", mousedowned) - .on("dblclick.zoom", dblclicked) - .on("touchstart.zoom", touchstarted) - .on("touchmove.zoom", touchmoved) - .on("touchend.zoom touchcancel.zoom", touchended) - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") - .property("__zoom", defaultTransform); - } - - zoom.transform = function(collection, transform) { - var selection = collection.selection ? collection.selection() : collection; - selection.property("__zoom", defaultTransform); - if (collection !== selection) { - schedule(collection, transform); - } else { - selection.interrupt().each(function() { - gesture(this, arguments) - .start() - .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) - .end(); - }); - } - }; - - zoom.scaleBy = function(selection, k) { - zoom.scaleTo(selection, function() { - var k0 = this.__zoom.k, - k1 = typeof k === "function" ? k.apply(this, arguments) : k; - return k0 * k1; - }); - }; - - zoom.scaleTo = function(selection, k) { - zoom.transform(selection, function() { - var e = extent.apply(this, arguments), - t0 = this.__zoom, - p0 = centroid(e), - p1 = t0.invert(p0), - k1 = typeof k === "function" ? k.apply(this, arguments) : k; - return constrain(translate(scale(t0, k1), p0, p1), e); - }); - }; - - zoom.translateBy = function(selection, x, y) { - zoom.transform(selection, function() { - return constrain(this.__zoom.translate( - typeof x === "function" ? x.apply(this, arguments) : x, - typeof y === "function" ? y.apply(this, arguments) : y - ), extent.apply(this, arguments)); - }); - }; - - function scale(transform, k) { - k = Math.max(k0, Math.min(k1, k)); - return k === transform.k ? transform : new Transform(k, transform.x, transform.y); - } - - function translate(transform, p0, p1) { - var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k; - return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y); - } - - function constrain(transform, extent) { - var dx = Math.min(0, transform.invertX(extent[0][0]) - x0) || Math.max(0, transform.invertX(extent[1][0]) - x1), - dy = Math.min(0, transform.invertY(extent[0][1]) - y0) || Math.max(0, transform.invertY(extent[1][1]) - y1); - return dx || dy ? transform.translate(dx, dy) : transform; - } - - function centroid(extent) { - return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; - } - - function schedule(transition, transform, center) { - transition - .on("start.zoom", function() { gesture(this, arguments).start(); }) - .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) - .tween("zoom", function() { - var that = this, - args = arguments, - g = gesture(that, args), - e = extent.apply(that, args), - p = center || centroid(e), - w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), - a = that.__zoom, - b = typeof transform === "function" ? transform.apply(that, args) : transform, - i = interpolateZoom(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); - return function(t) { - if (t === 1) t = b; // Avoid rounding error on end. - else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); } - g.zoom(null, t); - }; - }); - } - - function gesture(that, args) { - for (var i = 0, n = gestures.length, g; i < n; ++i) { - if ((g = gestures[i]).that === that) { - return g; - } - } - return new Gesture(that, args); - } - - function Gesture(that, args) { - this.that = that; - this.args = args; - this.index = -1; - this.active = 0; - this.extent = extent.apply(that, args); - } - - Gesture.prototype = { - start: function() { - if (++this.active === 1) { - this.index = gestures.push(this) - 1; - this.emit("start"); - } - return this; - }, - zoom: function(key, transform) { - if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]); - if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); - if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); - this.that.__zoom = transform; - this.emit("zoom"); - return this; - }, - end: function() { - if (--this.active === 0) { - gestures.splice(this.index, 1); - this.index = -1; - this.emit("end"); - } - return this; - }, - emit: function(type) { - customEvent(new ZoomEvent(zoom, type, this.that.__zoom), listeners.apply, listeners, [type, this.that, this.args]); - } - }; - - function wheeled() { - if (!filter.apply(this, arguments)) return; - var g = gesture(this, arguments), - t = this.__zoom, - k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500))), - p = mouse(this); - - // If the mouse is in the same location as before, reuse it. - // If there were recent wheel events, reset the wheel idle timeout. - if (g.wheel) { - if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) { - g.mouse[1] = t.invert(g.mouse[0] = p); - } - clearTimeout(g.wheel); - } - - // If this wheel event won’t trigger a transform change, ignore it. - else if (t.k === k) return; - - // Otherwise, capture the mouse point and location at the start. - else { - g.mouse = [p, t.invert(p)]; - interrupt(this); - g.start(); - } - - noevent$1(); - g.wheel = setTimeout(wheelidled, wheelDelay); - g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent)); - - function wheelidled() { - g.wheel = null; - g.end(); - } - } - - function mousedowned() { - if (touchending || !filter.apply(this, arguments)) return; - var g = gesture(this, arguments), - v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), - p = mouse(this); - - dragDisable(exports.event.view); - nopropagation$1(); - g.mouse = [p, this.__zoom.invert(p)]; - interrupt(this); - g.start(); - - function mousemoved() { - noevent$1(); - g.moved = true; - g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent)); - } - - function mouseupped() { - v.on("mousemove.zoom mouseup.zoom", null); - dragEnable(exports.event.view, g.moved); - noevent$1(); - g.end(); - } - } - - function dblclicked() { - if (!filter.apply(this, arguments)) return; - var t0 = this.__zoom, - p0 = mouse(this), - p1 = t0.invert(p0), - k1 = t0.k * (exports.event.shiftKey ? 0.5 : 2), - t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments)); - - noevent$1(); - if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0); - else select(this).call(zoom.transform, t1); - } - - function touchstarted() { - if (!filter.apply(this, arguments)) return; - var g = gesture(this, arguments), - touches = exports.event.changedTouches, - n = touches.length, i, t, p; - - nopropagation$1(); - for (i = 0; i < n; ++i) { - t = touches[i], p = touch(this, touches, t.identifier); - p = [p, this.__zoom.invert(p), t.identifier]; - if (!g.touch0) g.touch0 = p; - else if (!g.touch1) g.touch1 = p; - } - if (touchstarting) { - touchstarting = clearTimeout(touchstarting); - if (!g.touch1) return g.end(), dblclicked.apply(this, arguments); - } - if (exports.event.touches.length === n) { - touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); - interrupt(this); - g.start(); - } - } - - function touchmoved() { - var g = gesture(this, arguments), - touches = exports.event.changedTouches, - n = touches.length, i, t, p, l; - - noevent$1(); - if (touchstarting) touchstarting = clearTimeout(touchstarting); - for (i = 0; i < n; ++i) { - t = touches[i], p = touch(this, touches, t.identifier); - if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; - else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; - } - t = g.that.__zoom; - if (g.touch1) { - var p0 = g.touch0[0], l0 = g.touch0[1], - p1 = g.touch1[0], l1 = g.touch1[1], - dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp, - dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl; - t = scale(t, Math.sqrt(dp / dl)); - p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2]; - l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2]; - } - else if (g.touch0) p = g.touch0[0], l = g.touch0[1]; - else return; - g.zoom("touch", constrain(translate(t, p, l), g.extent)); - } - - function touchended() { - var g = gesture(this, arguments), - touches = exports.event.changedTouches, - n = touches.length, i, t; - - nopropagation$1(); - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, touchDelay); - for (i = 0; i < n; ++i) { - t = touches[i]; - if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; - else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; - } - if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1; - if (!g.touch0) g.end(); - } - - zoom.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$9(!!_), zoom) : filter; - }; - - zoom.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$9([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; - }; - - zoom.scaleExtent = function(_) { - return arguments.length ? (k0 = +_[0], k1 = +_[1], zoom) : [k0, k1]; - }; - - zoom.translateExtent = function(_) { - return arguments.length ? (x0 = +_[0][0], x1 = +_[1][0], y0 = +_[0][1], y1 = +_[1][1], zoom) : [[x0, y0], [x1, y1]]; - }; - - zoom.duration = function(_) { - return arguments.length ? (duration = +_, zoom) : duration; - }; - - zoom.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? zoom : value; - }; - - return zoom; - } - - function constant$10(x) { - return function() { - return x; - }; - } - - function BrushEvent(target, type, selection) { - this.target = target; - this.type = type; - this.selection = selection; - } - - function nopropagation$2() { - exports.event.stopImmediatePropagation(); - } - - function noevent$2() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); - } - - var MODE_DRAG = {name: "drag"}; - var MODE_SPACE = {name: "space"}; - var MODE_HANDLE = {name: "handle"}; - var MODE_CENTER = {name: "center"}; - var X = { - name: "x", - handles: ["e", "w"].map(type$1), - input: function(x, e) { return x && [[x[0], e[0][1]], [x[1], e[1][1]]]; }, - output: function(xy) { return xy && [xy[0][0], xy[1][0]]; } - }; - - var Y = { - name: "y", - handles: ["n", "s"].map(type$1), - input: function(y, e) { return y && [[e[0][0], y[0]], [e[1][0], y[1]]]; }, - output: function(xy) { return xy && [xy[0][1], xy[1][1]]; } - }; - - var XY = { - name: "xy", - handles: ["n", "e", "s", "w", "nw", "ne", "se", "sw"].map(type$1), - input: function(xy) { return xy; }, - output: function(xy) { return xy; } - }; - - var cursors = { - overlay: "crosshair", - selection: "move", - n: "ns-resize", - e: "ew-resize", - s: "ns-resize", - w: "ew-resize", - nw: "nwse-resize", - ne: "nesw-resize", - se: "nwse-resize", - sw: "nesw-resize" - }; - - var flipX = { - e: "w", - w: "e", - nw: "ne", - ne: "nw", - se: "sw", - sw: "se" - }; - - var flipY = { - n: "s", - s: "n", - nw: "sw", - ne: "se", - se: "ne", - sw: "nw" - }; - - var signsX = { - overlay: +1, - selection: +1, - n: null, - e: +1, - s: null, - w: -1, - nw: -1, - ne: +1, - se: +1, - sw: -1 - }; - - var signsY = { - overlay: +1, - selection: +1, - n: -1, - e: null, - s: +1, - w: null, - nw: -1, - ne: -1, - se: +1, - sw: +1 - }; - - function type$1(t) { - return {type: t}; - } - - // Ignore right-click, since that should open the context menu. - function defaultFilter$2() { - return !exports.event.button; - } - - function defaultExtent$1() { - var svg = this.ownerSVGElement || this; - return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]]; - } - - // Like d3.local, but with the name “__brush” rather than auto-generated. - function local$1(node) { - while (!node.__brush) if (!(node = node.parentNode)) return; - return node.__brush; - } - - function empty$1(extent) { - return extent[0][0] === extent[1][0] - || extent[0][1] === extent[1][1]; - } - - function brushSelection(node) { - var state = node.__brush; - return state ? state.dim.output(state.selection) : null; - } - - function brushX() { - return brush$1(X); - } - - function brushY() { - return brush$1(Y); - } - - function brush() { - return brush$1(XY); - } - - function brush$1(dim) { - var extent = defaultExtent$1, - filter = defaultFilter$2, - listeners = dispatch(brush, "start", "brush", "end"), - handleSize = 6, - touchending; - - function brush(group) { - var overlay = group - .property("__brush", initialize) - .selectAll(".overlay") - .data([type$1("overlay")]); - - overlay.enter().append("rect") - .attr("class", "overlay") - .attr("pointer-events", "all") - .attr("cursor", cursors.overlay) - .merge(overlay) - .each(function() { - var extent = local$1(this).extent; - select(this) - .attr("x", extent[0][0]) - .attr("y", extent[0][1]) - .attr("width", extent[1][0] - extent[0][0]) - .attr("height", extent[1][1] - extent[0][1]); - }); - - group.selectAll(".selection") - .data([type$1("selection")]) - .enter().append("rect") - .attr("class", "selection") - .attr("cursor", cursors.selection) - .attr("fill", "#777") - .attr("fill-opacity", 0.3) - .attr("stroke", "#fff") - .attr("shape-rendering", "crispEdges"); - - var handle = group.selectAll(".handle") - .data(dim.handles, function(d) { return d.type; }); - - handle.exit().remove(); - - handle.enter().append("rect") - .attr("class", function(d) { return "handle handle--" + d.type; }) - .attr("cursor", function(d) { return cursors[d.type]; }); - - group - .each(redraw) - .attr("fill", "none") - .attr("pointer-events", "all") - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") - .on("mousedown.brush touchstart.brush", started); - } - - brush.move = function(group, selection) { - if (group.selection) { - group - .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) - .on("interrupt.brush end.brush", function() { emitter(this, arguments).end(); }) - .tween("brush", function() { - var that = this, - state = that.__brush, - emit = emitter(that, arguments), - selection0 = state.selection, - selection1 = dim.input(typeof selection === "function" ? selection.apply(this, arguments) : selection, state.extent), - i = interpolate(selection0, selection1); - - function tween(t) { - state.selection = t === 1 && empty$1(selection1) ? null : i(t); - redraw.call(that); - emit.brush(); - } - - return selection0 && selection1 ? tween : tween(1); - }); - } else { - group - .each(function() { - var that = this, - args = arguments, - state = that.__brush, - selection1 = dim.input(typeof selection === "function" ? selection.apply(that, args) : selection, state.extent), - emit = emitter(that, args).beforestart(); - - interrupt(that); - state.selection = selection1 == null || empty$1(selection1) ? null : selection1; - redraw.call(that); - emit.start().brush().end(); - }); - } - }; - - function redraw() { - var group = select(this), - selection = local$1(this).selection; - - if (selection) { - group.selectAll(".selection") - .style("display", null) - .attr("x", selection[0][0]) - .attr("y", selection[0][1]) - .attr("width", selection[1][0] - selection[0][0]) - .attr("height", selection[1][1] - selection[0][1]); - - group.selectAll(".handle") - .style("display", null) - .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection[1][0] - handleSize / 2 : selection[0][0] - handleSize / 2; }) - .attr("y", function(d) { return d.type[0] === "s" ? selection[1][1] - handleSize / 2 : selection[0][1] - handleSize / 2; }) - .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection[1][0] - selection[0][0] + handleSize : handleSize; }) - .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection[1][1] - selection[0][1] + handleSize : handleSize; }); - } - - else { - group.selectAll(".selection,.handle") - .style("display", "none") - .attr("x", null) - .attr("y", null) - .attr("width", null) - .attr("height", null); - } - } - - function emitter(that, args) { - return that.__brush.emitter || new Emitter(that, args); - } - - function Emitter(that, args) { - this.that = that; - this.args = args; - this.state = that.__brush; - this.active = 0; - } - - Emitter.prototype = { - beforestart: function() { - if (++this.active === 1) this.state.emitter = this, this.starting = true; - return this; - }, - start: function() { - if (this.starting) this.starting = false, this.emit("start"); - return this; - }, - brush: function() { - this.emit("brush"); - return this; - }, - end: function() { - if (--this.active === 0) delete this.state.emitter, this.emit("end"); - return this; - }, - emit: function(type) { - customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]); - } - }; - - function started() { - if (exports.event.touches) { if (exports.event.changedTouches.length < exports.event.touches.length) return noevent$2(); } - else if (touchending) return; - if (!filter.apply(this, arguments)) return; - - var that = this, - type = exports.event.target.__data__.type, - mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE), - signX = dim === Y ? null : signsX[type], - signY = dim === X ? null : signsY[type], - state = local$1(that), - extent = state.extent, - selection = state.selection, - W = extent[0][0], w0, w1, - N = extent[0][1], n0, n1, - E = extent[1][0], e0, e1, - S = extent[1][1], s0, s1, - dx, - dy, - moving, - shifting = signX && signY && exports.event.shiftKey, - lockX, - lockY, - point0 = mouse(that), - point = point0, - emit = emitter(that, arguments).beforestart(); - - if (type === "overlay") { - state.selection = selection = [ - [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], - [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] - ]; - } else { - w0 = selection[0][0]; - n0 = selection[0][1]; - e0 = selection[1][0]; - s0 = selection[1][1]; - } +function Circle() { + RedBlackNode(this); + this.x = + this.y = + this.arc = + this.site = + this.cy = null; +} - w1 = w0; - n1 = n0; - e1 = e0; - s1 = s0; +function attachCircle(arc) { + var lArc = arc.P, + rArc = arc.N; - var group = select(that) - .attr("pointer-events", "none"); + if (!lArc || !rArc) return; - var overlay = group.selectAll(".overlay") - .attr("cursor", cursors[type]); - - if (exports.event.touches) { - group - .on("touchmove.brush", moved, true) - .on("touchend.brush touchcancel.brush", ended, true); - } else { - var view = select(exports.event.view) - .on("keydown.brush", keydowned, true) - .on("keyup.brush", keyupped, true) - .on("mousemove.brush", moved, true) - .on("mouseup.brush", ended, true); + var lSite = lArc.site, + cSite = arc.site, + rSite = rArc.site; - dragDisable(exports.event.view); - } + if (lSite === rSite) return; - nopropagation$2(); - interrupt(that); - redraw.call(that); - emit.start(); - - function moved() { - var point1 = mouse(that); - if (shifting && !lockX && !lockY) { - if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true; - else lockX = true; - } - point = point1; - moving = true; - noevent$2(); - move(); - } + var bx = cSite[0], + by = cSite[1], + ax = lSite[0] - bx, + ay = lSite[1] - by, + cx = rSite[0] - bx, + cy = rSite[1] - by; - function move() { - var t; + var d = 2 * (ax * cy - ay * cx); + if (d >= -epsilon2$1) return; - dx = point[0] - point0[0]; - dy = point[1] - point0[1]; + var ha = ax * ax + ay * ay, + hc = cx * cx + cy * cy, + x = (cy * ha - ay * hc) / d, + y = (ax * hc - cx * ha) / d; - switch (mode) { - case MODE_SPACE: - case MODE_DRAG: { - if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx; - if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy; - break; - } - case MODE_HANDLE: { - if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0; - else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx; - if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0; - else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy; - break; - } - case MODE_CENTER: { - if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX)); - if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY)); - break; - } - } + var circle = circlePool.pop() || new Circle; + circle.arc = arc; + circle.site = cSite; + circle.x = x + bx; + circle.y = (circle.cy = y + by) + Math.sqrt(x * x + y * y); // y bottom - if (e1 < w1) { - signX *= -1; - t = w0, w0 = e0, e0 = t; - t = w1, w1 = e1, e1 = t; - if (type in flipX) overlay.attr("cursor", cursors[type = flipX[type]]); - } + arc.circle = circle; - if (s1 < n1) { - signY *= -1; - t = n0, n0 = s0, s0 = t; - t = n1, n1 = s1, s1 = t; - if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); - } + var before = null, + node = circles._; - selection = state.selection; // May be set by brush.move! + while (node) { + if (circle.y < node.y || (circle.y === node.y && circle.x <= node.x)) { + if (node.L) node = node.L; + else { before = node.P; break; } + } else { + if (node.R) node = node.R; + else { before = node; break; } + } + } + + circles.insert(before, circle); + if (!before) firstCircle = circle; +} + +function detachCircle(arc) { + var circle = arc.circle; + if (circle) { + if (!circle.P) firstCircle = circle.N; + circles.remove(circle); + circlePool.push(circle); + RedBlackNode(circle); + arc.circle = null; + } +} + +var beachPool = []; + +function Beach() { + RedBlackNode(this); + this.edge = + this.site = + this.circle = null; +} + +function createBeach(site) { + var beach = beachPool.pop() || new Beach; + beach.site = site; + return beach; +} + +function detachBeach(beach) { + detachCircle(beach); + beaches.remove(beach); + beachPool.push(beach); + RedBlackNode(beach); +} + +function removeBeach(beach) { + var circle = beach.circle, + x = circle.x, + y = circle.cy, + vertex = [x, y], + previous = beach.P, + next = beach.N, + disappearing = [beach]; + + detachBeach(beach); + + var lArc = previous; + while (lArc.circle + && Math.abs(x - lArc.circle.x) < epsilon$3 + && Math.abs(y - lArc.circle.cy) < epsilon$3) { + previous = lArc.P; + disappearing.unshift(lArc); + detachBeach(lArc); + lArc = previous; + } - if (lockX) w1 = selection[0][0], e1 = selection[1][0]; - if (lockY) n1 = selection[0][1], s1 = selection[1][1]; + disappearing.unshift(lArc); + detachCircle(lArc); - if (selection[0][0] !== w1 - || selection[0][1] !== n1 - || selection[1][0] !== e1 - || selection[1][1] !== s1) { - state.selection = [[w1, n1], [e1, s1]]; - redraw.call(that); - emit.brush(); + var rArc = next; + while (rArc.circle + && Math.abs(x - rArc.circle.x) < epsilon$3 + && Math.abs(y - rArc.circle.cy) < epsilon$3) { + next = rArc.N; + disappearing.push(rArc); + detachBeach(rArc); + rArc = next; + } + + disappearing.push(rArc); + detachCircle(rArc); + + var nArcs = disappearing.length, + iArc; + for (iArc = 1; iArc < nArcs; ++iArc) { + rArc = disappearing[iArc]; + lArc = disappearing[iArc - 1]; + setEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); + } + + lArc = disappearing[0]; + rArc = disappearing[nArcs - 1]; + rArc.edge = createEdge(lArc.site, rArc.site, null, vertex); + + attachCircle(lArc); + attachCircle(rArc); +} + +function addBeach(site) { + var x = site[0], + directrix = site[1], + lArc, + rArc, + dxl, + dxr, + node = beaches._; + + while (node) { + dxl = leftBreakPoint(node, directrix) - x; + if (dxl > epsilon$3) node = node.L; else { + dxr = x - rightBreakPoint(node, directrix); + if (dxr > epsilon$3) { + if (!node.R) { + lArc = node; + break; } - } - - function ended() { - nopropagation$2(); - if (exports.event.touches) { - if (exports.event.touches.length) return; - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! - group.on("touchmove.brush touchend.brush touchcancel.brush", null); + node = node.R; + } else { + if (dxl > -epsilon$3) { + lArc = node.P; + rArc = node; + } else if (dxr > -epsilon$3) { + lArc = node; + rArc = node.N; } else { - dragEnable(exports.event.view, moving); - view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); - } - group.attr("pointer-events", "all"); - overlay.attr("cursor", cursors.overlay); - if (empty$1(selection)) state.selection = null, redraw.call(that); - emit.end(); - } - - function keydowned() { - switch (exports.event.keyCode) { - case 16: { // SHIFT - shifting = signX && signY; - break; - } - case 18: { // ALT - if (mode === MODE_HANDLE) { - if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; - if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; - mode = MODE_CENTER; - move(); - } - break; - } - case 32: { // SPACE; takes priority over ALT - if (mode === MODE_HANDLE || mode === MODE_CENTER) { - if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx; - if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy; - mode = MODE_SPACE; - overlay.attr("cursor", cursors.selection); - move(); - } - break; - } - default: return; - } - noevent$2(); - } - - function keyupped() { - switch (exports.event.keyCode) { - case 16: { // SHIFT - if (shifting) { - lockX = lockY = shifting = false; - move(); - } - break; - } - case 18: { // ALT - if (mode === MODE_CENTER) { - if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; - if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; - mode = MODE_HANDLE; - move(); - } - break; - } - case 32: { // SPACE - if (mode === MODE_SPACE) { - if (exports.event.altKey) { - if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; - if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; - mode = MODE_CENTER; - } else { - if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; - if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; - mode = MODE_HANDLE; - } - overlay.attr("cursor", cursors[type]); - move(); - } - break; - } - default: return; + lArc = rArc = node; } - noevent$2(); + break; } } - - function initialize() { - var state = this.__brush || {selection: null}; - state.extent = extent.apply(this, arguments); - state.dim = dim; - return state; - } - - brush.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$10([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), brush) : extent; - }; - - brush.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$10(!!_), brush) : filter; - }; - - brush.handleSize = function(_) { - return arguments.length ? (handleSize = +_, brush) : handleSize; - }; - - brush.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? brush : value; - }; - - return brush; - } - - var cos = Math.cos; - var sin = Math.sin; - var pi$3 = Math.PI; - var halfPi$2 = pi$3 / 2; - var tau$3 = pi$3 * 2; - var max$1 = Math.max; - - function compareValue(compare) { - return function(a, b) { - return compare( - a.source.value + a.target.value, - b.source.value + b.target.value - ); - }; } - function chord() { - var padAngle = 0, - sortGroups = null, - sortSubgroups = null, - sortChords = null; - - function chord(matrix) { - var n = matrix.length, - groupSums = [], - groupIndex = range(n), - subgroupIndex = [], - chords = [], - groups = chords.groups = new Array(n), - subgroups = new Array(n * n), - k, - x, - x0, - dx, - i, - j; - - // Compute the sum. - k = 0, i = -1; while (++i < n) { - x = 0, j = -1; while (++j < n) { - x += matrix[i][j]; - } - groupSums.push(x); - subgroupIndex.push(range(n)); - k += x; - } - - // Sort groups… - if (sortGroups) groupIndex.sort(function(a, b) { - return sortGroups(groupSums[a], groupSums[b]); - }); - - // Sort subgroups… - if (sortSubgroups) subgroupIndex.forEach(function(d, i) { - d.sort(function(a, b) { - return sortSubgroups(matrix[i][a], matrix[i][b]); - }); - }); + createCell(site); + var newArc = createBeach(site); + beaches.insert(lArc, newArc); - // Convert the sum to scaling factor for [0, 2pi]. - // TODO Allow start and end angle to be specified? - // TODO Allow padding to be specified as percentage? - k = max$1(0, tau$3 - padAngle * n) / k; - dx = k ? padAngle : tau$3 / n; - - // Compute the start and end angle for each group and subgroup. - // Note: Opera has a bug reordering object literal properties! - x = 0, i = -1; while (++i < n) { - x0 = x, j = -1; while (++j < n) { - var di = groupIndex[i], - dj = subgroupIndex[di][j], - v = matrix[di][dj], - a0 = x, - a1 = x += v * k; - subgroups[dj * n + di] = { - index: di, - subindex: dj, - startAngle: a0, - endAngle: a1, - value: v - }; - } - groups[di] = { - index: di, - startAngle: x0, - endAngle: x, - value: groupSums[di] - }; - x += dx; - } - - // Generate chords for each (non-empty) subgroup-subgroup link. - i = -1; while (++i < n) { - j = i - 1; while (++j < n) { - var source = subgroups[j * n + i], - target = subgroups[i * n + j]; - if (source.value || target.value) { - chords.push(source.value < target.value - ? {source: target, target: source} - : {source: source, target: target}); - } - } - } + if (!lArc && !rArc) return; - return sortChords ? chords.sort(sortChords) : chords; + if (lArc === rArc) { + detachCircle(lArc); + rArc = createBeach(lArc.site); + beaches.insert(newArc, rArc); + newArc.edge = rArc.edge = createEdge(lArc.site, newArc.site); + attachCircle(lArc); + attachCircle(rArc); + return; + } + + if (!rArc) { // && lArc + newArc.edge = createEdge(lArc.site, newArc.site); + return; + } + + // else lArc !== rArc + detachCircle(lArc); + detachCircle(rArc); + + var lSite = lArc.site, + ax = lSite[0], + ay = lSite[1], + bx = site[0] - ax, + by = site[1] - ay, + rSite = rArc.site, + cx = rSite[0] - ax, + cy = rSite[1] - ay, + d = 2 * (bx * cy - by * cx), + hb = bx * bx + by * by, + hc = cx * cx + cy * cy, + vertex = [(cy * hb - by * hc) / d + ax, (bx * hc - cx * hb) / d + ay]; + + setEdgeEnd(rArc.edge, lSite, rSite, vertex); + newArc.edge = createEdge(lSite, site, null, vertex); + rArc.edge = createEdge(site, rSite, null, vertex); + attachCircle(lArc); + attachCircle(rArc); +} + +function leftBreakPoint(arc, directrix) { + var site = arc.site, + rfocx = site[0], + rfocy = site[1], + pby2 = rfocy - directrix; + + if (!pby2) return rfocx; + + var lArc = arc.P; + if (!lArc) return -Infinity; + + site = lArc.site; + var lfocx = site[0], + lfocy = site[1], + plby2 = lfocy - directrix; + + if (!plby2) return lfocx; + + var hl = lfocx - rfocx, + aby2 = 1 / pby2 - 1 / plby2, + b = hl / plby2; + + if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; + + return (rfocx + lfocx) / 2; +} + +function rightBreakPoint(arc, directrix) { + var rArc = arc.N; + if (rArc) return leftBreakPoint(rArc, directrix); + var site = arc.site; + return site[1] === directrix ? site[0] : Infinity; +} + +var epsilon$3 = 1e-6; +var epsilon2$1 = 1e-12; +var beaches; +var cells; +var circles; +var edges; + +function triangleArea(a, b, c) { + return (a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]); +} + +function lexicographic(a, b) { + return b[1] - a[1] + || b[0] - a[0]; +} + +function Diagram(sites, extent) { + var site = sites.sort(lexicographic).pop(), + x, + y, + circle; + + edges = []; + cells = new Array(sites.length); + beaches = new RedBlackTree; + circles = new RedBlackTree; + + while (true) { + circle = firstCircle; + if (site && (!circle || site[1] < circle.y || (site[1] === circle.y && site[0] < circle.x))) { + if (site[0] !== x || site[1] !== y) { + addBeach(site); + x = site[0], y = site[1]; + } + site = sites.pop(); + } else if (circle) { + removeBeach(circle.arc); + } else { + break; } - - chord.padAngle = function(_) { - return arguments.length ? (padAngle = max$1(0, _), chord) : padAngle; - }; - - chord.sortGroups = function(_) { - return arguments.length ? (sortGroups = _, chord) : sortGroups; - }; - - chord.sortSubgroups = function(_) { - return arguments.length ? (sortSubgroups = _, chord) : sortSubgroups; - }; - - chord.sortChords = function(_) { - return arguments.length ? (_ == null ? sortChords = null : (sortChords = compareValue(_))._ = _, chord) : sortChords && sortChords._; - }; - - return chord; - } - - var slice$5 = Array.prototype.slice; - - function constant$11(x) { - return function() { - return x; - }; - } - - function defaultSource(d) { - return d.source; - } - - function defaultTarget(d) { - return d.target; } - function defaultRadius$1(d) { - return d.radius; - } + sortCellHalfedges(); - function defaultStartAngle(d) { - return d.startAngle; + if (extent) { + var x0 = +extent[0][0], + y0 = +extent[0][1], + x1 = +extent[1][0], + y1 = +extent[1][1]; + clipEdges(x0, y0, x1, y1); + clipCells(x0, y0, x1, y1); } - function defaultEndAngle(d) { - return d.endAngle; - } + this.edges = edges; + this.cells = cells; - function ribbon() { - var source = defaultSource, - target = defaultTarget, - radius = defaultRadius$1, - startAngle = defaultStartAngle, - endAngle = defaultEndAngle, - context = null; - - function ribbon() { - var buffer, - argv = slice$5.call(arguments), - s = source.apply(this, argv), - t = target.apply(this, argv), - sr = +radius.apply(this, (argv[0] = s, argv)), - sa0 = startAngle.apply(this, argv) - halfPi$2, - sa1 = endAngle.apply(this, argv) - halfPi$2, - sx0 = sr * cos(sa0), - sy0 = sr * sin(sa0), - tr = +radius.apply(this, (argv[0] = t, argv)), - ta0 = startAngle.apply(this, argv) - halfPi$2, - ta1 = endAngle.apply(this, argv) - halfPi$2; - - if (!context) context = buffer = path(); - - context.moveTo(sx0, sy0); - context.arc(0, 0, sr, sa0, sa1); - if (sa0 !== ta0 || sa1 !== ta1) { // TODO sr !== tr? - context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0)); - context.arc(0, 0, tr, ta0, ta1); - } - context.quadraticCurveTo(0, 0, sx0, sy0); - context.closePath(); - - if (buffer) return context = null, buffer + "" || null; - } - - ribbon.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$11(+_), ribbon) : radius; - }; + beaches = + circles = + edges = + cells = null; +} - ribbon.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$11(+_), ribbon) : startAngle; - }; +Diagram.prototype = { + constructor: Diagram, - ribbon.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$11(+_), ribbon) : endAngle; - }; + polygons: function() { + var edges = this.edges; - ribbon.source = function(_) { - return arguments.length ? (source = _, ribbon) : source; - }; + return this.cells.map(function(cell) { + var polygon = cell.halfedges.map(function(i) { return cellHalfedgeStart(cell, edges[i]); }); + polygon.data = cell.site.data; + return polygon; + }); + }, + + triangles: function() { + var triangles = [], + edges = this.edges; + + this.cells.forEach(function(cell, i) { + var site = cell.site, + halfedges = cell.halfedges, + j = -1, + m = halfedges.length, + s0, + e1 = edges[halfedges[m - 1]], + s1 = e1.left === site ? e1.right : e1.left; - ribbon.target = function(_) { - return arguments.length ? (target = _, ribbon) : target; - }; + while (++j < m) { + s0 = s1; + e1 = edges[halfedges[j]]; + s1 = e1.left === site ? e1.right : e1.left; + if (i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) { + triangles.push([site.data, s0.data, s1.data]); + } + } + }); - ribbon.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), ribbon) : context; - }; + return triangles; + }, - return ribbon; + links: function() { + return this.edges.filter(function(edge) { + return edge.right; + }).map(function(edge) { + return { + source: edge.left.data, + target: edge.right.data + }; + }); } +} - // Adds floating point numbers with twice the normal precision. - // Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and - // Fast Robust Geometric Predicates, Discrete & Computational Geometry 18(3) - // 305–363 (1997). - // Code adapted from GeographicLib by Charles F. F. Karney, - // http://geographiclib.sourceforge.net/ - - function adder() { - return new Adder; - } +var voronoi = function() { + var x$$1 = x$4, + y$$1 = y$4, + extent = null; - function Adder() { - this.reset(); + function voronoi(data) { + return new Diagram(data.map(function(d, i) { + var s = [Math.round(x$$1(d, i, data) / epsilon$3) * epsilon$3, Math.round(y$$1(d, i, data) / epsilon$3) * epsilon$3]; + s.index = i; + s.data = d; + return s; + }), extent); } - Adder.prototype = { - constructor: Adder, - reset: function() { - this.s = // rounded value - this.t = 0; // exact error - }, - add: function(y) { - add$1(temp, y, this.t); - add$1(this, temp.s, this.s); - if (this.s) this.t += temp.t; - else this.s = temp.t; - }, - valueOf: function() { - return this.s; - } + voronoi.polygons = function(data) { + return voronoi(data).polygons(); }; - var temp = new Adder; - - function add$1(adder, a, b) { - var x = adder.s = a + b, - bv = x - a, - av = x - bv; - adder.t = (a - av) + (b - bv); - } - - var epsilon$4 = 1e-6; - var epsilon2$2 = 1e-12; - var pi$4 = Math.PI; - var halfPi$3 = pi$4 / 2; - var quarterPi = pi$4 / 4; - var tau$4 = pi$4 * 2; - - var degrees$1 = 180 / pi$4; - var radians = pi$4 / 180; - - var abs = Math.abs; - var atan = Math.atan; - var atan2 = Math.atan2; - var cos$1 = Math.cos; - var ceil = Math.ceil; - var exp = Math.exp; - var log$1 = Math.log; - var pow$1 = Math.pow; - var sin$1 = Math.sin; - var sign$1 = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; }; - var sqrt$1 = Math.sqrt; - var tan = Math.tan; - - function acos(x) { - return x > 1 ? 0 : x < -1 ? pi$4 : Math.acos(x); - } - - function asin$1(x) { - return x > 1 ? halfPi$3 : x < -1 ? -halfPi$3 : Math.asin(x); - } - - function haversin(x) { - return (x = sin$1(x / 2)) * x; - } + voronoi.links = function(data) { + return voronoi(data).links(); + }; - function noop$2() {} + voronoi.triangles = function(data) { + return voronoi(data).triangles(); + }; - function streamGeometry(geometry, stream) { - if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { - streamGeometryType[geometry.type](geometry, stream); - } - } + voronoi.x = function(_) { + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$9(+_), voronoi) : x$$1; + }; - var streamObjectType = { - Feature: function(feature, stream) { - streamGeometry(feature.geometry, stream); - }, - FeatureCollection: function(object, stream) { - var features = object.features, i = -1, n = features.length; - while (++i < n) streamGeometry(features[i].geometry, stream); - } + voronoi.y = function(_) { + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$9(+_), voronoi) : y$$1; }; - var streamGeometryType = { - Sphere: function(object, stream) { - stream.sphere(); - }, - Point: function(object, stream) { - object = object.coordinates; - stream.point(object[0], object[1], object[2]); - }, - MultiPoint: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]); - }, - LineString: function(object, stream) { - streamLine(object.coordinates, stream, 0); - }, - MultiLineString: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) streamLine(coordinates[i], stream, 0); - }, - Polygon: function(object, stream) { - streamPolygon(object.coordinates, stream); - }, - MultiPolygon: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) streamPolygon(coordinates[i], stream); - }, - GeometryCollection: function(object, stream) { - var geometries = object.geometries, i = -1, n = geometries.length; - while (++i < n) streamGeometry(geometries[i], stream); - } + voronoi.extent = function(_) { + return arguments.length ? (extent = _ == null ? null : [[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]], voronoi) : extent && [[extent[0][0], extent[0][1]], [extent[1][0], extent[1][1]]]; }; - function streamLine(coordinates, stream, closed) { - var i = -1, n = coordinates.length - closed, coordinate; - stream.lineStart(); - while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]); - stream.lineEnd(); - } + voronoi.size = function(_) { + return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0] - extent[0][0], extent[1][1] - extent[0][1]]; + }; - function streamPolygon(coordinates, stream) { - var i = -1, n = coordinates.length; - stream.polygonStart(); - while (++i < n) streamLine(coordinates[i], stream, 1); - stream.polygonEnd(); - } + return voronoi; +} - function geoStream(object, stream) { - if (object && streamObjectType.hasOwnProperty(object.type)) { - streamObjectType[object.type](object, stream); +var constant$10 = function(x) { + return function() { + return x; + }; +} + +function ZoomEvent(target, type, transform) { + this.target = target; + this.type = type; + this.transform = transform; +} + +function Transform(k, x, y) { + this.k = k; + this.x = x; + this.y = y; +} + +Transform.prototype = { + constructor: Transform, + scale: function(k) { + return k === 1 ? this : new Transform(this.k * k, this.x, this.y); + }, + translate: function(x, y) { + return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y); + }, + apply: function(point) { + return [point[0] * this.k + this.x, point[1] * this.k + this.y]; + }, + applyX: function(x) { + return x * this.k + this.x; + }, + applyY: function(y) { + return y * this.k + this.y; + }, + invert: function(location) { + return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k]; + }, + invertX: function(x) { + return (x - this.x) / this.k; + }, + invertY: function(y) { + return (y - this.y) / this.k; + }, + rescaleX: function(x) { + return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x)); + }, + rescaleY: function(y) { + return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y)); + }, + toString: function() { + return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")"; + } +}; + +var identity$6 = new Transform(1, 0, 0); + +transform.prototype = Transform.prototype; + +function transform(node) { + return node.__zoom || identity$6; +} + +function nopropagation$1() { + exports.event.stopImmediatePropagation(); +} + +var noevent$1 = function() { + exports.event.preventDefault(); + exports.event.stopImmediatePropagation(); +} + +// Ignore right-click, since that should open the context menu. +function defaultFilter$1() { + return !exports.event.button; +} + +function defaultExtent() { + var e = this, w, h; + if (e instanceof SVGElement) { + e = e.ownerSVGElement || e; + w = e.width.baseVal.value; + h = e.height.baseVal.value; + } else { + w = e.clientWidth; + h = e.clientHeight; + } + return [[0, 0], [w, h]]; +} + +function defaultTransform() { + return this.__zoom || identity$6; +} + +var zoom = function() { + var filter = defaultFilter$1, + extent = defaultExtent, + k0 = 0, + k1 = Infinity, + x0 = -k1, + x1 = k1, + y0 = x0, + y1 = x1, + duration = 250, + gestures = [], + listeners = dispatch("start", "zoom", "end"), + touchstarting, + touchending, + touchDelay = 500, + wheelDelay = 150; + + function zoom(selection$$1) { + selection$$1 + .on("wheel.zoom", wheeled) + .on("mousedown.zoom", mousedowned) + .on("dblclick.zoom", dblclicked) + .on("touchstart.zoom", touchstarted) + .on("touchmove.zoom", touchmoved) + .on("touchend.zoom touchcancel.zoom", touchended) + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") + .property("__zoom", defaultTransform); + } + + zoom.transform = function(collection, transform) { + var selection$$1 = collection.selection ? collection.selection() : collection; + selection$$1.property("__zoom", defaultTransform); + if (collection !== selection$$1) { + schedule(collection, transform); } else { - streamGeometry(object, stream); - } - } - - var areaRingSum = adder(); - - var areaSum = adder(); - var lambda00; - var phi00; - var lambda0; - var cosPhi0; - var sinPhi0; - var areaStream = { - point: noop$2, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: function() { - areaRingSum.reset(); - areaStream.lineStart = areaRingStart; - areaStream.lineEnd = areaRingEnd; - }, - polygonEnd: function() { - var areaRing = +areaRingSum; - areaSum.add(areaRing < 0 ? tau$4 + areaRing : areaRing); - this.lineStart = this.lineEnd = this.point = noop$2; - }, - sphere: function() { - areaSum.add(tau$4); + selection$$1.interrupt().each(function() { + gesture(this, arguments) + .start() + .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) + .end(); + }); } }; - function areaRingStart() { - areaStream.point = areaPointFirst; - } - - function areaRingEnd() { - areaPoint(lambda00, phi00); - } - - function areaPointFirst(lambda, phi) { - areaStream.point = areaPoint; - lambda00 = lambda, phi00 = phi; - lambda *= radians, phi *= radians; - lambda0 = lambda, cosPhi0 = cos$1(phi = phi / 2 + quarterPi), sinPhi0 = sin$1(phi); - } - - function areaPoint(lambda, phi) { - lambda *= radians, phi *= radians; - phi = phi / 2 + quarterPi; // half the angular distance from south pole - - // Spherical excess E for a spherical triangle with vertices: south pole, - // previous point, current point. Uses a formula derived from Cagnoli’s - // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2). - var dLambda = lambda - lambda0, - sdLambda = dLambda >= 0 ? 1 : -1, - adLambda = sdLambda * dLambda, - cosPhi = cos$1(phi), - sinPhi = sin$1(phi), - k = sinPhi0 * sinPhi, - u = cosPhi0 * cosPhi + k * cos$1(adLambda), - v = k * sdLambda * sin$1(adLambda); - areaRingSum.add(atan2(v, u)); - - // Advance the previous points. - lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; - } - - function area$2(object) { - areaSum.reset(); - geoStream(object, areaStream); - return areaSum * 2; - } - - function spherical(cartesian) { - return [atan2(cartesian[1], cartesian[0]), asin$1(cartesian[2])]; - } - - function cartesian(spherical) { - var lambda = spherical[0], phi = spherical[1], cosPhi = cos$1(phi); - return [cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)]; - } - - function cartesianDot(a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; - } - - function cartesianCross(a, b) { - return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]]; - } - - // TODO return a - function cartesianAddInPlace(a, b) { - a[0] += b[0], a[1] += b[1], a[2] += b[2]; - } - - function cartesianScale(vector, k) { - return [vector[0] * k, vector[1] * k, vector[2] * k]; - } - - // TODO return d - function cartesianNormalizeInPlace(d) { - var l = sqrt$1(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); - d[0] /= l, d[1] /= l, d[2] /= l; - } - -var lambda0$1; - var phi0; - var lambda1; - var phi1; - var lambda2; -var lambda00$1; -var phi00$1; - var p0; - var deltaSum = adder(); - var ranges; -var range$1; - var boundsStream = { - point: boundsPoint, - lineStart: boundsLineStart, - lineEnd: boundsLineEnd, - polygonStart: function() { - boundsStream.point = boundsRingPoint; - boundsStream.lineStart = boundsRingStart; - boundsStream.lineEnd = boundsRingEnd; - deltaSum.reset(); - areaStream.polygonStart(); - }, - polygonEnd: function() { - areaStream.polygonEnd(); - boundsStream.point = boundsPoint; - boundsStream.lineStart = boundsLineStart; - boundsStream.lineEnd = boundsLineEnd; - if (areaRingSum < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); - else if (deltaSum > epsilon$4) phi1 = 90; - else if (deltaSum < -epsilon$4) phi0 = -90; - range$1[0] = lambda0$1, range$1[1] = lambda1; - } - }; - - function boundsPoint(lambda, phi) { - ranges.push(range$1 = [lambda0$1 = lambda, lambda1 = lambda]); - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; - } - - function linePoint(lambda, phi) { - var p = cartesian([lambda * radians, phi * radians]); - if (p0) { - var normal = cartesianCross(p0, p), - equatorial = [normal[1], -normal[0], 0], - inflection = cartesianCross(equatorial, normal); - cartesianNormalizeInPlace(inflection); - inflection = spherical(inflection); - var delta = lambda - lambda2, - sign = delta > 0 ? 1 : -1, - lambdai = inflection[0] * degrees$1 * sign, - phii, - antimeridian = abs(delta) > 180; - if (antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { - phii = inflection[1] * degrees$1; - if (phii > phi1) phi1 = phii; - } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { - phii = -inflection[1] * degrees$1; - if (phii < phi0) phi0 = phii; - } else { - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; - } - if (antimeridian) { - if (lambda < lambda2) { - if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; - } else { - if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; - } - } else { - if (lambda1 >= lambda0$1) { - if (lambda < lambda0$1) lambda0$1 = lambda; - if (lambda > lambda1) lambda1 = lambda; - } else { - if (lambda > lambda2) { - if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; - } else { - if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; - } - } - } - } else { - boundsPoint(lambda, phi); - } - p0 = p, lambda2 = lambda; - } + zoom.scaleBy = function(selection$$1, k) { + zoom.scaleTo(selection$$1, function() { + var k0 = this.__zoom.k, + k1 = typeof k === "function" ? k.apply(this, arguments) : k; + return k0 * k1; + }); + }; - function boundsLineStart() { - boundsStream.point = linePoint; - } + zoom.scaleTo = function(selection$$1, k) { + zoom.transform(selection$$1, function() { + var e = extent.apply(this, arguments), + t0 = this.__zoom, + p0 = centroid(e), + p1 = t0.invert(p0), + k1 = typeof k === "function" ? k.apply(this, arguments) : k; + return constrain(translate(scale(t0, k1), p0, p1), e); + }); + }; - function boundsLineEnd() { - range$1[0] = lambda0$1, range$1[1] = lambda1; - boundsStream.point = boundsPoint; - p0 = null; - } + zoom.translateBy = function(selection$$1, x, y) { + zoom.transform(selection$$1, function() { + return constrain(this.__zoom.translate( + typeof x === "function" ? x.apply(this, arguments) : x, + typeof y === "function" ? y.apply(this, arguments) : y + ), extent.apply(this, arguments)); + }); + }; - function boundsRingPoint(lambda, phi) { - if (p0) { - var delta = lambda - lambda2; - deltaSum.add(abs(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta); - } else { - lambda00$1 = lambda, phi00$1 = phi; - } - areaStream.point(lambda, phi); - linePoint(lambda, phi); + function scale(transform, k) { + k = Math.max(k0, Math.min(k1, k)); + return k === transform.k ? transform : new Transform(k, transform.x, transform.y); } - function boundsRingStart() { - areaStream.lineStart(); + function translate(transform, p0, p1) { + var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k; + return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y); } - function boundsRingEnd() { - boundsRingPoint(lambda00$1, phi00$1); - areaStream.lineEnd(); - if (abs(deltaSum) > epsilon$4) lambda0$1 = -(lambda1 = 180); - range$1[0] = lambda0$1, range$1[1] = lambda1; - p0 = null; + function constrain(transform, extent) { + var dx = Math.min(0, transform.invertX(extent[0][0]) - x0) || Math.max(0, transform.invertX(extent[1][0]) - x1), + dy = Math.min(0, transform.invertY(extent[0][1]) - y0) || Math.max(0, transform.invertY(extent[1][1]) - y1); + return dx || dy ? transform.translate(dx, dy) : transform; } - // Finds the left-right distance between two longitudes. - // This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want - // the distance between ±180° to be 360°. - function angle(lambda0, lambda1) { - return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1; + function centroid(extent) { + return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; } - function rangeCompare(a, b) { - return a[0] - b[0]; + function schedule(transition$$1, transform, center) { + transition$$1 + .on("start.zoom", function() { gesture(this, arguments).start(); }) + .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) + .tween("zoom", function() { + var that = this, + args = arguments, + g = gesture(that, args), + e = extent.apply(that, args), + p = center || centroid(e), + w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), + a = that.__zoom, + b = typeof transform === "function" ? transform.apply(that, args) : transform, + i = interpolateZoom(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); + return function(t) { + if (t === 1) t = b; // Avoid rounding error on end. + else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); } + g.zoom(null, t); + }; + }); } - function rangeContains(range, x) { - return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; + function gesture(that, args) { + for (var i = 0, n = gestures.length, g; i < n; ++i) { + if ((g = gestures[i]).that === that) { + return g; + } + } + return new Gesture(that, args); } - function bounds(feature) { - var i, n, a, b, merged, deltaMax, delta; + function Gesture(that, args) { + this.that = that; + this.args = args; + this.index = -1; + this.active = 0; + this.extent = extent.apply(that, args); + } - phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); - ranges = []; - geoStream(feature, boundsStream); + Gesture.prototype = { + start: function() { + if (++this.active === 1) { + this.index = gestures.push(this) - 1; + this.emit("start"); + } + return this; + }, + zoom: function(key, transform) { + if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]); + if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); + if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); + this.that.__zoom = transform; + this.emit("zoom"); + return this; + }, + end: function() { + if (--this.active === 0) { + gestures.splice(this.index, 1); + this.index = -1; + this.emit("end"); + } + return this; + }, + emit: function(type) { + customEvent(new ZoomEvent(zoom, type, this.that.__zoom), listeners.apply, listeners, [type, this.that, this.args]); + } + }; - // First, sort ranges by their minimum longitudes. - if (n = ranges.length) { - ranges.sort(rangeCompare); + function wheeled() { + if (!filter.apply(this, arguments)) return; + var g = gesture(this, arguments), + t = this.__zoom, + k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500))), + p = mouse(this); - // Then, merge any ranges that overlap. - for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) { - b = ranges[i]; - if (rangeContains(a, b[0]) || rangeContains(a, b[1])) { - if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; - if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; - } else { - merged.push(a = b); - } + // If the mouse is in the same location as before, reuse it. + // If there were recent wheel events, reset the wheel idle timeout. + if (g.wheel) { + if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) { + g.mouse[1] = t.invert(g.mouse[0] = p); } + clearTimeout(g.wheel); + } - // Finally, find the largest gap between the merged ranges. - // The final bounding box will be the inverse of this gap. - for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) { - b = merged[i]; - if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1]; - } - } - - ranges = range$1 = null; - - return lambda0$1 === Infinity || phi0 === Infinity - ? [[NaN, NaN], [NaN, NaN]] - : [[lambda0$1, phi0], [lambda1, phi1]]; - } - - var W0; - var W1; - var X0; - var Y0; - var Z0; - var X1; - var Y1; - var Z1; - var X2; - var Y2; - var Z2; -var lambda00$2; -var phi00$2; - var x0; - var y0; - var z0; - // previous point - - var centroidStream = { - sphere: noop$2, - point: centroidPoint, - lineStart: centroidLineStart, - lineEnd: centroidLineEnd, - polygonStart: function() { - centroidStream.lineStart = centroidRingStart; - centroidStream.lineEnd = centroidRingEnd; - }, - polygonEnd: function() { - centroidStream.lineStart = centroidLineStart; - centroidStream.lineEnd = centroidLineEnd; + // If this wheel event won’t trigger a transform change, ignore it. + else if (t.k === k) return; + + // Otherwise, capture the mouse point and location at the start. + else { + g.mouse = [p, t.invert(p)]; + interrupt(this); + g.start(); } - }; - // Arithmetic mean of Cartesian vectors. - function centroidPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi); - centroidPointCartesian(cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)); - } + noevent$1(); + g.wheel = setTimeout(wheelidled, wheelDelay); + g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent)); - function centroidPointCartesian(x, y, z) { - ++W0; - X0 += (x - X0) / W0; - Y0 += (y - Y0) / W0; - Z0 += (z - Z0) / W0; + function wheelidled() { + g.wheel = null; + g.end(); + } } - function centroidLineStart() { - centroidStream.point = centroidLinePointFirst; - } + function mousedowned() { + if (touchending || !filter.apply(this, arguments)) return; + var g = gesture(this, arguments), + v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), + p = mouse(this); - function centroidLinePointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi); - x0 = cosPhi * cos$1(lambda); - y0 = cosPhi * sin$1(lambda); - z0 = sin$1(phi); - centroidStream.point = centroidLinePoint; - centroidPointCartesian(x0, y0, z0); - } + dragDisable(exports.event.view); + nopropagation$1(); + g.mouse = [p, this.__zoom.invert(p)]; + interrupt(this); + g.start(); - function centroidLinePoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi), - x = cosPhi * cos$1(lambda), - y = cosPhi * sin$1(lambda), - z = sin$1(phi), - w = atan2(sqrt$1((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); - W1 += w; - X1 += w * (x0 + (x0 = x)); - Y1 += w * (y0 + (y0 = y)); - Z1 += w * (z0 + (z0 = z)); - centroidPointCartesian(x0, y0, z0); - } + function mousemoved() { + noevent$1(); + g.moved = true; + g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent)); + } - function centroidLineEnd() { - centroidStream.point = centroidPoint; + function mouseupped() { + v.on("mousemove.zoom mouseup.zoom", null); + yesdrag(exports.event.view, g.moved); + noevent$1(); + g.end(); + } } - // See J. E. Brock, The Inertia Tensor for a Spherical Triangle, - // J. Applied Mechanics 42, 239 (1975). - function centroidRingStart() { - centroidStream.point = centroidRingPointFirst; - } + function dblclicked() { + if (!filter.apply(this, arguments)) return; + var t0 = this.__zoom, + p0 = mouse(this), + p1 = t0.invert(p0), + k1 = t0.k * (exports.event.shiftKey ? 0.5 : 2), + t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments)); - function centroidRingEnd() { - centroidRingPoint(lambda00$2, phi00$2); - centroidStream.point = centroidPoint; + noevent$1(); + if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0); + else select(this).call(zoom.transform, t1); } - function centroidRingPointFirst(lambda, phi) { - lambda00$2 = lambda, phi00$2 = phi; - lambda *= radians, phi *= radians; - centroidStream.point = centroidRingPoint; - var cosPhi = cos$1(phi); - x0 = cosPhi * cos$1(lambda); - y0 = cosPhi * sin$1(lambda); - z0 = sin$1(phi); - centroidPointCartesian(x0, y0, z0); - } + function touchstarted() { + if (!filter.apply(this, arguments)) return; + var g = gesture(this, arguments), + touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, t, p; - function centroidRingPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi), - x = cosPhi * cos$1(lambda), - y = cosPhi * sin$1(lambda), - z = sin$1(phi), - cx = y0 * z - z0 * y, - cy = z0 * x - x0 * z, - cz = x0 * y - y0 * x, - m = sqrt$1(cx * cx + cy * cy + cz * cz), - u = x0 * x + y0 * y + z0 * z, - v = m && -acos(u) / m, // area weight - w = atan2(m, u); // line weight - X2 += v * cx; - Y2 += v * cy; - Z2 += v * cz; - W1 += w; - X1 += w * (x0 + (x0 = x)); - Y1 += w * (y0 + (y0 = y)); - Z1 += w * (z0 + (z0 = z)); - centroidPointCartesian(x0, y0, z0); - } - - function centroid$1(object) { - W0 = W1 = - X0 = Y0 = Z0 = - X1 = Y1 = Z1 = - X2 = Y2 = Z2 = 0; - geoStream(object, centroidStream); - - var x = X2, - y = Y2, - z = Z2, - m = x * x + y * y + z * z; - - // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid. - if (m < epsilon2$2) { - x = X1, y = Y1, z = Z1; - // If the feature has zero length, fall back to arithmetic mean of point vectors. - if (W1 < epsilon$4) x = X0, y = Y0, z = Z0; - m = x * x + y * y + z * z; - // If the feature still has an undefined ccentroid, then return. - if (m < epsilon2$2) return [NaN, NaN]; + nopropagation$1(); + for (i = 0; i < n; ++i) { + t = touches$$1[i], p = touch(this, touches$$1, t.identifier); + p = [p, this.__zoom.invert(p), t.identifier]; + if (!g.touch0) g.touch0 = p; + else if (!g.touch1) g.touch1 = p; + } + if (touchstarting) { + touchstarting = clearTimeout(touchstarting); + if (!g.touch1) return g.end(), dblclicked.apply(this, arguments); + } + if (exports.event.touches.length === n) { + touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); + interrupt(this); + g.start(); } - - return [atan2(y, x) * degrees$1, asin$1(z / sqrt$1(m)) * degrees$1]; } - function constant$12(x) { - return function() { - return x; - }; + function touchmoved() { + var g = gesture(this, arguments), + touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, t, p, l; + + noevent$1(); + if (touchstarting) touchstarting = clearTimeout(touchstarting); + for (i = 0; i < n; ++i) { + t = touches$$1[i], p = touch(this, touches$$1, t.identifier); + if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; + else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; + } + t = g.that.__zoom; + if (g.touch1) { + var p0 = g.touch0[0], l0 = g.touch0[1], + p1 = g.touch1[0], l1 = g.touch1[1], + dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp, + dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl; + t = scale(t, Math.sqrt(dp / dl)); + p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2]; + l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2]; + } + else if (g.touch0) p = g.touch0[0], l = g.touch0[1]; + else return; + g.zoom("touch", constrain(translate(t, p, l), g.extent)); + } + + function touchended() { + var g = gesture(this, arguments), + touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, t; + + nopropagation$1(); + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, touchDelay); + for (i = 0; i < n; ++i) { + t = touches$$1[i]; + if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; + else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; + } + if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1; + if (!g.touch0) g.end(); } - function compose(a, b) { + zoom.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$10(!!_), zoom) : filter; + }; - function compose(x, y) { - return x = a(x, y), b(x[0], x[1]); - } + zoom.extent = function(_) { + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$10([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; + }; - if (a.invert && b.invert) compose.invert = function(x, y) { - return x = b.invert(x, y), x && a.invert(x[0], x[1]); - }; + zoom.scaleExtent = function(_) { + return arguments.length ? (k0 = +_[0], k1 = +_[1], zoom) : [k0, k1]; + }; - return compose; - } + zoom.translateExtent = function(_) { + return arguments.length ? (x0 = +_[0][0], x1 = +_[1][0], y0 = +_[0][1], y1 = +_[1][1], zoom) : [[x0, y0], [x1, y1]]; + }; - function rotationIdentity(lambda, phi) { - return [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi]; - } + zoom.duration = function(_) { + return arguments.length ? (duration = +_, zoom) : duration; + }; - rotationIdentity.invert = rotationIdentity; + zoom.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? zoom : value; + }; - function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { - return (deltaLambda %= tau$4) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) - : rotationLambda(deltaLambda)) - : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) - : rotationIdentity); - } + return zoom; +} - function forwardRotationLambda(deltaLambda) { - return function(lambda, phi) { - return lambda += deltaLambda, [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi]; - }; - } +var constant$11 = function(x) { + return function() { + return x; + }; +} + +var BrushEvent = function(target, type, selection) { + this.target = target; + this.type = type; + this.selection = selection; +} + +function nopropagation$2() { + exports.event.stopImmediatePropagation(); +} + +var noevent$2 = function() { + exports.event.preventDefault(); + exports.event.stopImmediatePropagation(); +} + +var MODE_DRAG = {name: "drag"}; +var MODE_SPACE = {name: "space"}; +var MODE_HANDLE = {name: "handle"}; +var MODE_CENTER = {name: "center"}; + +var X = { + name: "x", + handles: ["e", "w"].map(type$1), + input: function(x, e) { return x && [[x[0], e[0][1]], [x[1], e[1][1]]]; }, + output: function(xy) { return xy && [xy[0][0], xy[1][0]]; } +}; + +var Y = { + name: "y", + handles: ["n", "s"].map(type$1), + input: function(y, e) { return y && [[e[0][0], y[0]], [e[1][0], y[1]]]; }, + output: function(xy) { return xy && [xy[0][1], xy[1][1]]; } +}; + +var XY = { + name: "xy", + handles: ["n", "e", "s", "w", "nw", "ne", "se", "sw"].map(type$1), + input: function(xy) { return xy; }, + output: function(xy) { return xy; } +}; + +var cursors = { + overlay: "crosshair", + selection: "move", + n: "ns-resize", + e: "ew-resize", + s: "ns-resize", + w: "ew-resize", + nw: "nwse-resize", + ne: "nesw-resize", + se: "nwse-resize", + sw: "nesw-resize" +}; + +var flipX = { + e: "w", + w: "e", + nw: "ne", + ne: "nw", + se: "sw", + sw: "se" +}; + +var flipY = { + n: "s", + s: "n", + nw: "sw", + ne: "se", + se: "ne", + sw: "nw" +}; + +var signsX = { + overlay: +1, + selection: +1, + n: null, + e: +1, + s: null, + w: -1, + nw: -1, + ne: +1, + se: +1, + sw: -1 +}; + +var signsY = { + overlay: +1, + selection: +1, + n: -1, + e: null, + s: +1, + w: null, + nw: -1, + ne: -1, + se: +1, + sw: +1 +}; + +function type$1(t) { + return {type: t}; +} + +// Ignore right-click, since that should open the context menu. +function defaultFilter$2() { + return !exports.event.button; +} + +function defaultExtent$1() { + var svg = this.ownerSVGElement || this; + return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]]; +} + +// Like d3.local, but with the name “__brush” rather than auto-generated. +function local$1(node) { + while (!node.__brush) if (!(node = node.parentNode)) return; + return node.__brush; +} + +function empty$1(extent) { + return extent[0][0] === extent[1][0] + || extent[0][1] === extent[1][1]; +} + +function brushSelection(node) { + var state = node.__brush; + return state ? state.dim.output(state.selection) : null; +} + +function brushX() { + return brush$1(X); +} + +function brushY() { + return brush$1(Y); +} + +var brush = function() { + return brush$1(XY); +} + +function brush$1(dim) { + var extent = defaultExtent$1, + filter = defaultFilter$2, + listeners = dispatch(brush, "start", "brush", "end"), + handleSize = 6, + touchending; + + function brush(group) { + var overlay = group + .property("__brush", initialize) + .selectAll(".overlay") + .data([type$1("overlay")]); + + overlay.enter().append("rect") + .attr("class", "overlay") + .attr("pointer-events", "all") + .attr("cursor", cursors.overlay) + .merge(overlay) + .each(function() { + var extent = local$1(this).extent; + select(this) + .attr("x", extent[0][0]) + .attr("y", extent[0][1]) + .attr("width", extent[1][0] - extent[0][0]) + .attr("height", extent[1][1] - extent[0][1]); + }); - function rotationLambda(deltaLambda) { - var rotation = forwardRotationLambda(deltaLambda); - rotation.invert = forwardRotationLambda(-deltaLambda); - return rotation; - } + group.selectAll(".selection") + .data([type$1("selection")]) + .enter().append("rect") + .attr("class", "selection") + .attr("cursor", cursors.selection) + .attr("fill", "#777") + .attr("fill-opacity", 0.3) + .attr("stroke", "#fff") + .attr("shape-rendering", "crispEdges"); - function rotationPhiGamma(deltaPhi, deltaGamma) { - var cosDeltaPhi = cos$1(deltaPhi), - sinDeltaPhi = sin$1(deltaPhi), - cosDeltaGamma = cos$1(deltaGamma), - sinDeltaGamma = sin$1(deltaGamma); + var handle = group.selectAll(".handle") + .data(dim.handles, function(d) { return d.type; }); - function rotation(lambda, phi) { - var cosPhi = cos$1(phi), - x = cos$1(lambda) * cosPhi, - y = sin$1(lambda) * cosPhi, - z = sin$1(phi), - k = z * cosDeltaPhi + x * sinDeltaPhi; - return [ - atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi), - asin$1(k * cosDeltaGamma + y * sinDeltaGamma) - ]; - } + handle.exit().remove(); - rotation.invert = function(lambda, phi) { - var cosPhi = cos$1(phi), - x = cos$1(lambda) * cosPhi, - y = sin$1(lambda) * cosPhi, - z = sin$1(phi), - k = z * cosDeltaGamma - y * sinDeltaGamma; - return [ - atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi), - asin$1(k * cosDeltaPhi - x * sinDeltaPhi) - ]; - }; + handle.enter().append("rect") + .attr("class", function(d) { return "handle handle--" + d.type; }) + .attr("cursor", function(d) { return cursors[d.type]; }); - return rotation; + group + .each(redraw) + .attr("fill", "none") + .attr("pointer-events", "all") + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") + .on("mousedown.brush touchstart.brush", started); } - function rotation(rotate) { - rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); + brush.move = function(group, selection$$1) { + if (group.selection) { + group + .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) + .on("interrupt.brush end.brush", function() { emitter(this, arguments).end(); }) + .tween("brush", function() { + var that = this, + state = that.__brush, + emit = emitter(that, arguments), + selection0 = state.selection, + selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(this, arguments) : selection$$1, state.extent), + i = interpolate(selection0, selection1); + + function tween(t) { + state.selection = t === 1 && empty$1(selection1) ? null : i(t); + redraw.call(that); + emit.brush(); + } - function forward(coordinates) { - coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians); - return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; + return selection0 && selection1 ? tween : tween(1); + }); + } else { + group + .each(function() { + var that = this, + args = arguments, + state = that.__brush, + selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(that, args) : selection$$1, state.extent), + emit = emitter(that, args).beforestart(); + + interrupt(that); + state.selection = selection1 == null || empty$1(selection1) ? null : selection1; + redraw.call(that); + emit.start().brush().end(); + }); } + }; - forward.invert = function(coordinates) { - coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians); - return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; - }; + function redraw() { + var group = select(this), + selection$$1 = local$1(this).selection; - return forward; - } + if (selection$$1) { + group.selectAll(".selection") + .style("display", null) + .attr("x", selection$$1[0][0]) + .attr("y", selection$$1[0][1]) + .attr("width", selection$$1[1][0] - selection$$1[0][0]) + .attr("height", selection$$1[1][1] - selection$$1[0][1]); - // Generates a circle centered at [0°, 0°], with a given radius and precision. - function circleStream(stream, radius, delta, direction, t0, t1) { - if (!delta) return; - var cosRadius = cos$1(radius), - sinRadius = sin$1(radius), - step = direction * delta; - if (t0 == null) { - t0 = radius + direction * tau$4; - t1 = radius - step / 2; - } else { - t0 = circleRadius(cosRadius, t0); - t1 = circleRadius(cosRadius, t1); - if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$4; + group.selectAll(".handle") + .style("display", null) + .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection$$1[1][0] - handleSize / 2 : selection$$1[0][0] - handleSize / 2; }) + .attr("y", function(d) { return d.type[0] === "s" ? selection$$1[1][1] - handleSize / 2 : selection$$1[0][1] - handleSize / 2; }) + .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection$$1[1][0] - selection$$1[0][0] + handleSize : handleSize; }) + .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection$$1[1][1] - selection$$1[0][1] + handleSize : handleSize; }); } - for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) { - point = spherical([cosRadius, -sinRadius * cos$1(t), -sinRadius * sin$1(t)]); - stream.point(point[0], point[1]); + + else { + group.selectAll(".selection,.handle") + .style("display", "none") + .attr("x", null) + .attr("y", null) + .attr("width", null) + .attr("height", null); } } - // Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0]. - function circleRadius(cosRadius, point) { - point = cartesian(point), point[0] -= cosRadius; - cartesianNormalizeInPlace(point); - var radius = acos(-point[1]); - return ((-point[2] < 0 ? -radius : radius) + tau$4 - epsilon$4) % tau$4; + function emitter(that, args) { + return that.__brush.emitter || new Emitter(that, args); } - function circle$1() { - var center = constant$12([0, 0]), - radius = constant$12(90), - precision = constant$12(6), - ring, - rotate, - stream = {point: point}; + function Emitter(that, args) { + this.that = that; + this.args = args; + this.state = that.__brush; + this.active = 0; + } - function point(x, y) { - ring.push(x = rotate(x, y)); - x[0] *= degrees$1, x[1] *= degrees$1; + Emitter.prototype = { + beforestart: function() { + if (++this.active === 1) this.state.emitter = this, this.starting = true; + return this; + }, + start: function() { + if (this.starting) this.starting = false, this.emit("start"); + return this; + }, + brush: function() { + this.emit("brush"); + return this; + }, + end: function() { + if (--this.active === 0) delete this.state.emitter, this.emit("end"); + return this; + }, + emit: function(type) { + customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]); } + }; - function circle() { - var c = center.apply(this, arguments), - r = radius.apply(this, arguments) * radians, - p = precision.apply(this, arguments) * radians; - ring = []; - rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert; - circleStream(stream, r, p, 1); - c = {type: "Polygon", coordinates: [ring]}; - ring = rotate = null; - return c; + function started() { + if (exports.event.touches) { if (exports.event.changedTouches.length < exports.event.touches.length) return noevent$2(); } + else if (touchending) return; + if (!filter.apply(this, arguments)) return; + + var that = this, + type = exports.event.target.__data__.type, + mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE), + signX = dim === Y ? null : signsX[type], + signY = dim === X ? null : signsY[type], + state = local$1(that), + extent = state.extent, + selection$$1 = state.selection, + W = extent[0][0], w0, w1, + N = extent[0][1], n0, n1, + E = extent[1][0], e0, e1, + S = extent[1][1], s0, s1, + dx, + dy, + moving, + shifting = signX && signY && exports.event.shiftKey, + lockX, + lockY, + point0 = mouse(that), + point = point0, + emit = emitter(that, arguments).beforestart(); + + if (type === "overlay") { + state.selection = selection$$1 = [ + [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], + [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] + ]; + } else { + w0 = selection$$1[0][0]; + n0 = selection$$1[0][1]; + e0 = selection$$1[1][0]; + s0 = selection$$1[1][1]; } - circle.center = function(_) { - return arguments.length ? (center = typeof _ === "function" ? _ : constant$12([+_[0], +_[1]]), circle) : center; - }; - - circle.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$12(+_), circle) : radius; - }; + w1 = w0; + n1 = n0; + e1 = e0; + s1 = s0; - circle.precision = function(_) { - return arguments.length ? (precision = typeof _ === "function" ? _ : constant$12(+_), circle) : precision; - }; + var group = select(that) + .attr("pointer-events", "none"); - return circle; - } + var overlay = group.selectAll(".overlay") + .attr("cursor", cursors[type]); - function clipBuffer() { - var lines = [], - line; - return { - point: function(x, y) { - line.push([x, y]); - }, - lineStart: function() { - lines.push(line = []); - }, - lineEnd: noop$2, - rejoin: function() { - if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); - }, - result: function() { - var result = lines; - lines = []; - line = null; - return result; - } - }; - } + if (exports.event.touches) { + group + .on("touchmove.brush", moved, true) + .on("touchend.brush touchcancel.brush", ended, true); + } else { + var view = select(exports.event.view) + .on("keydown.brush", keydowned, true) + .on("keyup.brush", keyupped, true) + .on("mousemove.brush", moved, true) + .on("mouseup.brush", ended, true); - function clipLine(a, b, x0, y0, x1, y1) { - var ax = a[0], - ay = a[1], - bx = b[0], - by = b[1], - t0 = 0, - t1 = 1, - dx = bx - ax, - dy = by - ay, - r; + dragDisable(exports.event.view); + } - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; - if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; - return true; - } + nopropagation$2(); + interrupt(that); + redraw.call(that); + emit.start(); - function pointEqual(a, b) { - return abs(a[0] - b[0]) < epsilon$4 && abs(a[1] - b[1]) < epsilon$4; - } + function moved() { + var point1 = mouse(that); + if (shifting && !lockX && !lockY) { + if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true; + else lockX = true; + } + point = point1; + moving = true; + noevent$2(); + move(); + } - function Intersection(point, points, other, entry) { - this.x = point; - this.z = points; - this.o = other; // another intersection - this.e = entry; // is an entry? - this.v = false; // visited - this.n = this.p = null; // next & previous - } + function move() { + var t; - // A generalized polygon clipping algorithm: given a polygon that has been cut - // into its visible line segments, and rejoins the segments by interpolating - // along the clip edge. - function clipPolygon(segments, compareIntersection, startInside, interpolate, stream) { - var subject = [], - clip = [], - i, - n; + dx = point[0] - point0[0]; + dy = point[1] - point0[1]; - segments.forEach(function(segment) { - if ((n = segment.length - 1) <= 0) return; - var n, p0 = segment[0], p1 = segment[n], x; + switch (mode) { + case MODE_SPACE: + case MODE_DRAG: { + if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx; + if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy; + break; + } + case MODE_HANDLE: { + if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0; + else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx; + if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0; + else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy; + break; + } + case MODE_CENTER: { + if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX)); + if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY)); + break; + } + } - // If the first and last points of a segment are coincident, then treat as a - // closed ring. TODO if all rings are closed, then the winding order of the - // exterior ring should be checked. - if (pointEqual(p0, p1)) { - stream.lineStart(); - for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]); - stream.lineEnd(); - return; + if (e1 < w1) { + signX *= -1; + t = w0, w0 = e0, e0 = t; + t = w1, w1 = e1, e1 = t; + if (type in flipX) overlay.attr("cursor", cursors[type = flipX[type]]); } - subject.push(x = new Intersection(p0, segment, null, true)); - clip.push(x.o = new Intersection(p0, null, x, false)); - subject.push(x = new Intersection(p1, segment, null, false)); - clip.push(x.o = new Intersection(p1, null, x, true)); - }); + if (s1 < n1) { + signY *= -1; + t = n0, n0 = s0, s0 = t; + t = n1, n1 = s1, s1 = t; + if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); + } - if (!subject.length) return; + if (state.selection) selection$$1 = state.selection; // May be set by brush.move! + if (lockX) w1 = selection$$1[0][0], e1 = selection$$1[1][0]; + if (lockY) n1 = selection$$1[0][1], s1 = selection$$1[1][1]; - clip.sort(compareIntersection); - link$1(subject); - link$1(clip); + if (selection$$1[0][0] !== w1 + || selection$$1[0][1] !== n1 + || selection$$1[1][0] !== e1 + || selection$$1[1][1] !== s1) { + state.selection = [[w1, n1], [e1, s1]]; + redraw.call(that); + emit.brush(); + } + } - for (i = 0, n = clip.length; i < n; ++i) { - clip[i].e = startInside = !startInside; + function ended() { + nopropagation$2(); + if (exports.event.touches) { + if (exports.event.touches.length) return; + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! + group.on("touchmove.brush touchend.brush touchcancel.brush", null); + } else { + yesdrag(exports.event.view, moving); + view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); + } + group.attr("pointer-events", "all"); + overlay.attr("cursor", cursors.overlay); + if (state.selection) selection$$1 = state.selection; // May be set by brush.move (on start)! + if (empty$1(selection$$1)) state.selection = null, redraw.call(that); + emit.end(); } - var start = subject[0], - points, - point; + function keydowned() { + switch (exports.event.keyCode) { + case 16: { // SHIFT + shifting = signX && signY; + break; + } + case 18: { // ALT + if (mode === MODE_HANDLE) { + if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; + if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; + mode = MODE_CENTER; + move(); + } + break; + } + case 32: { // SPACE; takes priority over ALT + if (mode === MODE_HANDLE || mode === MODE_CENTER) { + if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx; + if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy; + mode = MODE_SPACE; + overlay.attr("cursor", cursors.selection); + move(); + } + break; + } + default: return; + } + noevent$2(); + } - while (1) { - // Find first unvisited intersection. - var current = start, - isSubject = true; - while (current.v) if ((current = current.n) === start) return; - points = current.z; - stream.lineStart(); - do { - current.v = current.o.v = true; - if (current.e) { - if (isSubject) { - for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.n.x, 1, stream); + function keyupped() { + switch (exports.event.keyCode) { + case 16: { // SHIFT + if (shifting) { + lockX = lockY = shifting = false; + move(); } - current = current.n; - } else { - if (isSubject) { - points = current.p.z; - for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.p.x, -1, stream); + break; + } + case 18: { // ALT + if (mode === MODE_CENTER) { + if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; + if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; + mode = MODE_HANDLE; + move(); } - current = current.p; + break; } - current = current.o; - points = current.z; - isSubject = !isSubject; - } while (!current.v); - stream.lineEnd(); + case 32: { // SPACE + if (mode === MODE_SPACE) { + if (exports.event.altKey) { + if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; + if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; + mode = MODE_CENTER; + } else { + if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; + if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; + mode = MODE_HANDLE; + } + overlay.attr("cursor", cursors[type]); + move(); + } + break; + } + default: return; + } + noevent$2(); } } - function link$1(array) { - if (!(n = array.length)) return; - var n, - i = 0, - a = array[0], - b; - while (++i < n) { - a.n = b = array[i]; - b.p = a; - a = b; - } - a.n = b = array[0]; - b.p = a; + function initialize() { + var state = this.__brush || {selection: null}; + state.extent = extent.apply(this, arguments); + state.dim = dim; + return state; } - var clipMax = 1e9; - var clipMin = -clipMax; - // TODO Use d3-polygon’s polygonContains here for the ring check? - // TODO Eliminate duplicate buffering in clipBuffer and polygon.push? + brush.extent = function(_) { + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$11([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), brush) : extent; + }; - function clipExtent(x0, y0, x1, y1) { + brush.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$11(!!_), brush) : filter; + }; - function visible(x, y) { - return x0 <= x && x <= x1 && y0 <= y && y <= y1; - } + brush.handleSize = function(_) { + return arguments.length ? (handleSize = +_, brush) : handleSize; + }; - function interpolate(from, to, direction, stream) { - var a = 0, a1 = 0; - if (from == null - || (a = corner(from, direction)) !== (a1 = corner(to, direction)) - || comparePoint(from, to) < 0 ^ direction > 0) { - do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); - while ((a = (a + direction + 4) % 4) !== a1); - } else { - stream.point(to[0], to[1]); - } - } + brush.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? brush : value; + }; - function corner(p, direction) { - return abs(p[0] - x0) < epsilon$4 ? direction > 0 ? 0 : 3 - : abs(p[0] - x1) < epsilon$4 ? direction > 0 ? 2 : 1 - : abs(p[1] - y0) < epsilon$4 ? direction > 0 ? 1 : 0 - : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon - } + return brush; +} + +var cos = Math.cos; +var sin = Math.sin; +var pi$3 = Math.PI; +var halfPi$2 = pi$3 / 2; +var tau$3 = pi$3 * 2; +var max$1 = Math.max; + +function compareValue(compare) { + return function(a, b) { + return compare( + a.source.value + a.target.value, + b.source.value + b.target.value + ); + }; +} + +var chord = function() { + var padAngle = 0, + sortGroups = null, + sortSubgroups = null, + sortChords = null; + + function chord(matrix) { + var n = matrix.length, + groupSums = [], + groupIndex = range(n), + subgroupIndex = [], + chords = [], + groups = chords.groups = new Array(n), + subgroups = new Array(n * n), + k, + x, + x0, + dx, + i, + j; - function compareIntersection(a, b) { - return comparePoint(a.x, b.x); + // Compute the sum. + k = 0, i = -1; while (++i < n) { + x = 0, j = -1; while (++j < n) { + x += matrix[i][j]; + } + groupSums.push(x); + subgroupIndex.push(range(n)); + k += x; } - function comparePoint(a, b) { - var ca = corner(a, 1), - cb = corner(b, 1); - return ca !== cb ? ca - cb - : ca === 0 ? b[1] - a[1] - : ca === 1 ? a[0] - b[0] - : ca === 2 ? a[1] - b[1] - : b[0] - a[0]; - } + // Sort groups… + if (sortGroups) groupIndex.sort(function(a, b) { + return sortGroups(groupSums[a], groupSums[b]); + }); - return function(stream) { - var activeStream = stream, - bufferStream = clipBuffer(), - segments, - polygon, - ring, - x__, y__, v__, // first point - x_, y_, v_, // previous point - first, - clean; + // Sort subgroups… + if (sortSubgroups) subgroupIndex.forEach(function(d, i) { + d.sort(function(a, b) { + return sortSubgroups(matrix[i][a], matrix[i][b]); + }); + }); - var clipStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: polygonStart, - polygonEnd: polygonEnd + // Convert the sum to scaling factor for [0, 2pi]. + // TODO Allow start and end angle to be specified? + // TODO Allow padding to be specified as percentage? + k = max$1(0, tau$3 - padAngle * n) / k; + dx = k ? padAngle : tau$3 / n; + + // Compute the start and end angle for each group and subgroup. + // Note: Opera has a bug reordering object literal properties! + x = 0, i = -1; while (++i < n) { + x0 = x, j = -1; while (++j < n) { + var di = groupIndex[i], + dj = subgroupIndex[di][j], + v = matrix[di][dj], + a0 = x, + a1 = x += v * k; + subgroups[dj * n + di] = { + index: di, + subindex: dj, + startAngle: a0, + endAngle: a1, + value: v + }; + } + groups[di] = { + index: di, + startAngle: x0, + endAngle: x, + value: groupSums[di] }; + x += dx; + } - function point(x, y) { - if (visible(x, y)) activeStream.point(x, y); + // Generate chords for each (non-empty) subgroup-subgroup link. + i = -1; while (++i < n) { + j = i - 1; while (++j < n) { + var source = subgroups[j * n + i], + target = subgroups[i * n + j]; + if (source.value || target.value) { + chords.push(source.value < target.value + ? {source: target, target: source} + : {source: source, target: target}); + } } + } - function polygonInside() { - var winding = 0; + return sortChords ? chords.sort(sortChords) : chords; + } - for (var i = 0, n = polygon.length; i < n; ++i) { - for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { - a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; - if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } - else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } - } - } + chord.padAngle = function(_) { + return arguments.length ? (padAngle = max$1(0, _), chord) : padAngle; + }; - return winding; - } + chord.sortGroups = function(_) { + return arguments.length ? (sortGroups = _, chord) : sortGroups; + }; - // Buffer geometry within a polygon and then clip it en masse. - function polygonStart() { - activeStream = bufferStream, segments = [], polygon = [], clean = true; - } + chord.sortSubgroups = function(_) { + return arguments.length ? (sortSubgroups = _, chord) : sortSubgroups; + }; - function polygonEnd() { - var startInside = polygonInside(), - cleanInside = clean && startInside, - visible = (segments = merge(segments)).length; - if (cleanInside || visible) { - stream.polygonStart(); - if (cleanInside) { - stream.lineStart(); - interpolate(null, null, 1, stream); - stream.lineEnd(); - } - if (visible) { - clipPolygon(segments, compareIntersection, startInside, interpolate, stream); - } - stream.polygonEnd(); - } - activeStream = stream, segments = polygon = ring = null; - } + chord.sortChords = function(_) { + return arguments.length ? (_ == null ? sortChords = null : (sortChords = compareValue(_))._ = _, chord) : sortChords && sortChords._; + }; - function lineStart() { - clipStream.point = linePoint; - if (polygon) polygon.push(ring = []); - first = true; - v_ = false; - x_ = y_ = NaN; - } + return chord; +} - // TODO rather than special-case polygons, simply handle them separately. - // Ideally, coincident intersection points should be jittered to avoid - // clipping issues. - function lineEnd() { - if (segments) { - linePoint(x__, y__); - if (v__ && v_) bufferStream.rejoin(); - segments.push(bufferStream.result()); - } - clipStream.point = point; - if (v_) activeStream.lineEnd(); - } +var slice$5 = Array.prototype.slice; - function linePoint(x, y) { - var v = visible(x, y); - if (polygon) ring.push([x, y]); - if (first) { - x__ = x, y__ = y, v__ = v; - first = false; - if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - } - } else { - if (v && v_) activeStream.point(x, y); - else { - var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], - b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; - if (clipLine(a, b, x0, y0, x1, y1)) { - if (!v_) { - activeStream.lineStart(); - activeStream.point(a[0], a[1]); - } - activeStream.point(b[0], b[1]); - if (!v) activeStream.lineEnd(); - clean = false; - } else if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - clean = false; - } - } - } - x_ = x, y_ = y, v_ = v; - } +var constant$12 = function(x) { + return function() { + return x; + }; +} - return clipStream; - }; - } +function defaultSource(d) { + return d.source; +} - function extent$1() { - var x0 = 0, - y0 = 0, - x1 = 960, - y1 = 500, - cache, - cacheStream, - clip; +function defaultTarget(d) { + return d.target; +} - return clip = { - stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = clipExtent(x0, y0, x1, y1)(cacheStream = stream); - }, - extent: function(_) { - return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; - } - }; - } +function defaultRadius$1(d) { + return d.radius; +} - var lengthSum = adder(); -var lambda0$2; -var sinPhi0$1; -var cosPhi0$1; - var lengthStream = { - sphere: noop$2, - point: noop$2, - lineStart: lengthLineStart, - lineEnd: noop$2, - polygonStart: noop$2, - polygonEnd: noop$2 +function defaultStartAngle(d) { + return d.startAngle; +} + +function defaultEndAngle(d) { + return d.endAngle; +} + +var ribbon = function() { + var source = defaultSource, + target = defaultTarget, + radius = defaultRadius$1, + startAngle = defaultStartAngle, + endAngle = defaultEndAngle, + context = null; + + function ribbon() { + var buffer, + argv = slice$5.call(arguments), + s = source.apply(this, argv), + t = target.apply(this, argv), + sr = +radius.apply(this, (argv[0] = s, argv)), + sa0 = startAngle.apply(this, argv) - halfPi$2, + sa1 = endAngle.apply(this, argv) - halfPi$2, + sx0 = sr * cos(sa0), + sy0 = sr * sin(sa0), + tr = +radius.apply(this, (argv[0] = t, argv)), + ta0 = startAngle.apply(this, argv) - halfPi$2, + ta1 = endAngle.apply(this, argv) - halfPi$2; + + if (!context) context = buffer = path(); + + context.moveTo(sx0, sy0); + context.arc(0, 0, sr, sa0, sa1); + if (sa0 !== ta0 || sa1 !== ta1) { // TODO sr !== tr? + context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0)); + context.arc(0, 0, tr, ta0, ta1); + } + context.quadraticCurveTo(0, 0, sx0, sy0); + context.closePath(); + + if (buffer) return context = null, buffer + "" || null; + } + + ribbon.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$12(+_), ribbon) : radius; }; - function lengthLineStart() { - lengthStream.point = lengthPointFirst; - lengthStream.lineEnd = lengthLineEnd; - } + ribbon.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$12(+_), ribbon) : startAngle; + }; - function lengthLineEnd() { - lengthStream.point = lengthStream.lineEnd = noop$2; - } + ribbon.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$12(+_), ribbon) : endAngle; + }; - function lengthPointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi); - lengthStream.point = lengthPoint; - } + ribbon.source = function(_) { + return arguments.length ? (source = _, ribbon) : source; + }; - function lengthPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var sinPhi = sin$1(phi), - cosPhi = cos$1(phi), - delta = abs(lambda - lambda0$2), - cosDelta = cos$1(delta), - sinDelta = sin$1(delta), - x = cosPhi * sinDelta, - y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, - z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; - lengthSum.add(atan2(sqrt$1(x * x + y * y), z)); - lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; - } + ribbon.target = function(_) { + return arguments.length ? (target = _, ribbon) : target; + }; - function length$2(object) { - lengthSum.reset(); - geoStream(object, lengthStream); - return +lengthSum; - } + ribbon.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), ribbon) : context; + }; - var coordinates = [null, null]; -var object$1 = {type: "LineString", coordinates: coordinates}; - function distance(a, b) { - coordinates[0] = a; - coordinates[1] = b; - return length$2(object$1); + return ribbon; +} + +// Adds floating point numbers with twice the normal precision. +// Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and +// Fast Robust Geometric Predicates, Discrete & Computational Geometry 18(3) +// 305–363 (1997). +// Code adapted from GeographicLib by Charles F. F. Karney, +// http://geographiclib.sourceforge.net/ + +var adder = function() { + return new Adder; +} + +function Adder() { + this.reset(); +} + +Adder.prototype = { + constructor: Adder, + reset: function() { + this.s = // rounded value + this.t = 0; // exact error + }, + add: function(y) { + add$1(temp, y, this.t); + add$1(this, temp.s, this.s); + if (this.s) this.t += temp.t; + else this.s = temp.t; + }, + valueOf: function() { + return this.s; + } +}; + +var temp = new Adder; + +function add$1(adder, a, b) { + var x = adder.s = a + b, + bv = x - a, + av = x - bv; + adder.t = (a - av) + (b - bv); +} + +var epsilon$4 = 1e-6; +var epsilon2$2 = 1e-12; +var pi$4 = Math.PI; +var halfPi$3 = pi$4 / 2; +var quarterPi = pi$4 / 4; +var tau$4 = pi$4 * 2; + +var degrees$1 = 180 / pi$4; +var radians = pi$4 / 180; + +var abs = Math.abs; +var atan = Math.atan; +var atan2 = Math.atan2; +var cos$1 = Math.cos; +var ceil = Math.ceil; +var exp = Math.exp; + +var log$1 = Math.log; +var pow$1 = Math.pow; +var sin$1 = Math.sin; +var sign$1 = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; }; +var sqrt$1 = Math.sqrt; +var tan = Math.tan; + +function acos(x) { + return x > 1 ? 0 : x < -1 ? pi$4 : Math.acos(x); +} + +function asin$1(x) { + return x > 1 ? halfPi$3 : x < -1 ? -halfPi$3 : Math.asin(x); +} + +function haversin(x) { + return (x = sin$1(x / 2)) * x; +} + +function noop$2() {} + +function streamGeometry(geometry, stream) { + if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { + streamGeometryType[geometry.type](geometry, stream); + } +} + +var streamObjectType = { + Feature: function(feature, stream) { + streamGeometry(feature.geometry, stream); + }, + FeatureCollection: function(object, stream) { + var features = object.features, i = -1, n = features.length; + while (++i < n) streamGeometry(features[i].geometry, stream); + } +}; + +var streamGeometryType = { + Sphere: function(object, stream) { + stream.sphere(); + }, + Point: function(object, stream) { + object = object.coordinates; + stream.point(object[0], object[1], object[2]); + }, + MultiPoint: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]); + }, + LineString: function(object, stream) { + streamLine(object.coordinates, stream, 0); + }, + MultiLineString: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) streamLine(coordinates[i], stream, 0); + }, + Polygon: function(object, stream) { + streamPolygon(object.coordinates, stream); + }, + MultiPolygon: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) streamPolygon(coordinates[i], stream); + }, + GeometryCollection: function(object, stream) { + var geometries = object.geometries, i = -1, n = geometries.length; + while (++i < n) streamGeometry(geometries[i], stream); + } +}; + +function streamLine(coordinates, stream, closed) { + var i = -1, n = coordinates.length - closed, coordinate; + stream.lineStart(); + while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]); + stream.lineEnd(); +} + +function streamPolygon(coordinates, stream) { + var i = -1, n = coordinates.length; + stream.polygonStart(); + while (++i < n) streamLine(coordinates[i], stream, 1); + stream.polygonEnd(); +} + +var geoStream = function(object, stream) { + if (object && streamObjectType.hasOwnProperty(object.type)) { + streamObjectType[object.type](object, stream); + } else { + streamGeometry(object, stream); + } +} + +var areaRingSum = adder(); + +var areaSum = adder(); +var lambda00; +var phi00; +var lambda0; +var cosPhi0; +var sinPhi0; + +var areaStream = { + point: noop$2, + lineStart: noop$2, + lineEnd: noop$2, + polygonStart: function() { + areaRingSum.reset(); + areaStream.lineStart = areaRingStart; + areaStream.lineEnd = areaRingEnd; + }, + polygonEnd: function() { + var areaRing = +areaRingSum; + areaSum.add(areaRing < 0 ? tau$4 + areaRing : areaRing); + this.lineStart = this.lineEnd = this.point = noop$2; + }, + sphere: function() { + areaSum.add(tau$4); + } +}; + +function areaRingStart() { + areaStream.point = areaPointFirst; +} + +function areaRingEnd() { + areaPoint(lambda00, phi00); +} + +function areaPointFirst(lambda, phi) { + areaStream.point = areaPoint; + lambda00 = lambda, phi00 = phi; + lambda *= radians, phi *= radians; + lambda0 = lambda, cosPhi0 = cos$1(phi = phi / 2 + quarterPi), sinPhi0 = sin$1(phi); +} + +function areaPoint(lambda, phi) { + lambda *= radians, phi *= radians; + phi = phi / 2 + quarterPi; // half the angular distance from south pole + + // Spherical excess E for a spherical triangle with vertices: south pole, + // previous point, current point. Uses a formula derived from Cagnoli’s + // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2). + var dLambda = lambda - lambda0, + sdLambda = dLambda >= 0 ? 1 : -1, + adLambda = sdLambda * dLambda, + cosPhi = cos$1(phi), + sinPhi = sin$1(phi), + k = sinPhi0 * sinPhi, + u = cosPhi0 * cosPhi + k * cos$1(adLambda), + v = k * sdLambda * sin$1(adLambda); + areaRingSum.add(atan2(v, u)); + + // Advance the previous points. + lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; +} + +var area$2 = function(object) { + areaSum.reset(); + geoStream(object, areaStream); + return areaSum * 2; +} + +function spherical(cartesian) { + return [atan2(cartesian[1], cartesian[0]), asin$1(cartesian[2])]; +} + +function cartesian(spherical) { + var lambda = spherical[0], phi = spherical[1], cosPhi = cos$1(phi); + return [cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)]; +} + +function cartesianDot(a, b) { + return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; +} + +function cartesianCross(a, b) { + return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]]; +} + +// TODO return a +function cartesianAddInPlace(a, b) { + a[0] += b[0], a[1] += b[1], a[2] += b[2]; +} + +function cartesianScale(vector, k) { + return [vector[0] * k, vector[1] * k, vector[2] * k]; +} + +// TODO return d +function cartesianNormalizeInPlace(d) { + var l = sqrt$1(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); + d[0] /= l, d[1] /= l, d[2] /= l; +} + +var lambda0$1; +var phi0; +var lambda1; +var phi1; +var lambda2; +var lambda00$1; +var phi00$1; +var p0; +var deltaSum = adder(); +var ranges; +var range$1; + +var boundsStream = { + point: boundsPoint, + lineStart: boundsLineStart, + lineEnd: boundsLineEnd, + polygonStart: function() { + boundsStream.point = boundsRingPoint; + boundsStream.lineStart = boundsRingStart; + boundsStream.lineEnd = boundsRingEnd; + deltaSum.reset(); + areaStream.polygonStart(); + }, + polygonEnd: function() { + areaStream.polygonEnd(); + boundsStream.point = boundsPoint; + boundsStream.lineStart = boundsLineStart; + boundsStream.lineEnd = boundsLineEnd; + if (areaRingSum < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); + else if (deltaSum > epsilon$4) phi1 = 90; + else if (deltaSum < -epsilon$4) phi0 = -90; + range$1[0] = lambda0$1, range$1[1] = lambda1; } +}; + +function boundsPoint(lambda, phi) { + ranges.push(range$1 = [lambda0$1 = lambda, lambda1 = lambda]); + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; +} + +function linePoint(lambda, phi) { + var p = cartesian([lambda * radians, phi * radians]); + if (p0) { + var normal = cartesianCross(p0, p), + equatorial = [normal[1], -normal[0], 0], + inflection = cartesianCross(equatorial, normal); + cartesianNormalizeInPlace(inflection); + inflection = spherical(inflection); + var delta = lambda - lambda2, + sign$$1 = delta > 0 ? 1 : -1, + lambdai = inflection[0] * degrees$1 * sign$$1, + phii, + antimeridian = abs(delta) > 180; + if (antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) { + phii = inflection[1] * degrees$1; + if (phii > phi1) phi1 = phii; + } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) { + phii = -inflection[1] * degrees$1; + if (phii < phi0) phi0 = phii; + } else { + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; + } + if (antimeridian) { + if (lambda < lambda2) { + if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; + } else { + if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; + } + } else { + if (lambda1 >= lambda0$1) { + if (lambda < lambda0$1) lambda0$1 = lambda; + if (lambda > lambda1) lambda1 = lambda; + } else { + if (lambda > lambda2) { + if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; + } else { + if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; + } + } + } + } else { + boundsPoint(lambda, phi); + } + p0 = p, lambda2 = lambda; +} + +function boundsLineStart() { + boundsStream.point = linePoint; +} + +function boundsLineEnd() { + range$1[0] = lambda0$1, range$1[1] = lambda1; + boundsStream.point = boundsPoint; + p0 = null; +} + +function boundsRingPoint(lambda, phi) { + if (p0) { + var delta = lambda - lambda2; + deltaSum.add(abs(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta); + } else { + lambda00$1 = lambda, phi00$1 = phi; + } + areaStream.point(lambda, phi); + linePoint(lambda, phi); +} + +function boundsRingStart() { + areaStream.lineStart(); +} + +function boundsRingEnd() { + boundsRingPoint(lambda00$1, phi00$1); + areaStream.lineEnd(); + if (abs(deltaSum) > epsilon$4) lambda0$1 = -(lambda1 = 180); + range$1[0] = lambda0$1, range$1[1] = lambda1; + p0 = null; +} + +// Finds the left-right distance between two longitudes. +// This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want +// the distance between ±180° to be 360°. +function angle(lambda0, lambda1) { + return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1; +} + +function rangeCompare(a, b) { + return a[0] - b[0]; +} + +function rangeContains(range, x) { + return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; +} + +var bounds = function(feature) { + var i, n, a, b, merged, deltaMax, delta; + + phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); + ranges = []; + geoStream(feature, boundsStream); + + // First, sort ranges by their minimum longitudes. + if (n = ranges.length) { + ranges.sort(rangeCompare); + + // Then, merge any ranges that overlap. + for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) { + b = ranges[i]; + if (rangeContains(a, b[0]) || rangeContains(a, b[1])) { + if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; + if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; + } else { + merged.push(a = b); + } + } + + // Finally, find the largest gap between the merged ranges. + // The final bounding box will be the inverse of this gap. + for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) { + b = merged[i]; + if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1]; + } + } + + ranges = range$1 = null; + + return lambda0$1 === Infinity || phi0 === Infinity + ? [[NaN, NaN], [NaN, NaN]] + : [[lambda0$1, phi0], [lambda1, phi1]]; +} + +var W0; +var W1; +var X0; +var Y0; +var Z0; +var X1; +var Y1; +var Z1; +var X2; +var Y2; +var Z2; +var lambda00$2; +var phi00$2; +var x0; +var y0; +var z0; // previous point + +var centroidStream = { + sphere: noop$2, + point: centroidPoint, + lineStart: centroidLineStart, + lineEnd: centroidLineEnd, + polygonStart: function() { + centroidStream.lineStart = centroidRingStart; + centroidStream.lineEnd = centroidRingEnd; + }, + polygonEnd: function() { + centroidStream.lineStart = centroidLineStart; + centroidStream.lineEnd = centroidLineEnd; + } +}; + +// Arithmetic mean of Cartesian vectors. +function centroidPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi); + centroidPointCartesian(cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)); +} + +function centroidPointCartesian(x, y, z) { + ++W0; + X0 += (x - X0) / W0; + Y0 += (y - Y0) / W0; + Z0 += (z - Z0) / W0; +} + +function centroidLineStart() { + centroidStream.point = centroidLinePointFirst; +} + +function centroidLinePointFirst(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi); + x0 = cosPhi * cos$1(lambda); + y0 = cosPhi * sin$1(lambda); + z0 = sin$1(phi); + centroidStream.point = centroidLinePoint; + centroidPointCartesian(x0, y0, z0); +} + +function centroidLinePoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi), + x = cosPhi * cos$1(lambda), + y = cosPhi * sin$1(lambda), + z = sin$1(phi), + w = atan2(sqrt$1((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); + W1 += w; + X1 += w * (x0 + (x0 = x)); + Y1 += w * (y0 + (y0 = y)); + Z1 += w * (z0 + (z0 = z)); + centroidPointCartesian(x0, y0, z0); +} + +function centroidLineEnd() { + centroidStream.point = centroidPoint; +} + +// See J. E. Brock, The Inertia Tensor for a Spherical Triangle, +// J. Applied Mechanics 42, 239 (1975). +function centroidRingStart() { + centroidStream.point = centroidRingPointFirst; +} + +function centroidRingEnd() { + centroidRingPoint(lambda00$2, phi00$2); + centroidStream.point = centroidPoint; +} + +function centroidRingPointFirst(lambda, phi) { + lambda00$2 = lambda, phi00$2 = phi; + lambda *= radians, phi *= radians; + centroidStream.point = centroidRingPoint; + var cosPhi = cos$1(phi); + x0 = cosPhi * cos$1(lambda); + y0 = cosPhi * sin$1(lambda); + z0 = sin$1(phi); + centroidPointCartesian(x0, y0, z0); +} + +function centroidRingPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi), + x = cosPhi * cos$1(lambda), + y = cosPhi * sin$1(lambda), + z = sin$1(phi), + cx = y0 * z - z0 * y, + cy = z0 * x - x0 * z, + cz = x0 * y - y0 * x, + m = sqrt$1(cx * cx + cy * cy + cz * cz), + u = x0 * x + y0 * y + z0 * z, + v = m && -acos(u) / m, // area weight + w = atan2(m, u); // line weight + X2 += v * cx; + Y2 += v * cy; + Z2 += v * cz; + W1 += w; + X1 += w * (x0 + (x0 = x)); + Y1 += w * (y0 + (y0 = y)); + Z1 += w * (z0 + (z0 = z)); + centroidPointCartesian(x0, y0, z0); +} + +var centroid$1 = function(object) { + W0 = W1 = + X0 = Y0 = Z0 = + X1 = Y1 = Z1 = + X2 = Y2 = Z2 = 0; + geoStream(object, centroidStream); + + var x = X2, + y = Y2, + z = Z2, + m = x * x + y * y + z * z; - function graticuleX(y0, y1, dy) { - var y = range(y0, y1 - epsilon$4, dy).concat(y1); - return function(x) { return y.map(function(y) { return [x, y]; }); }; + // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid. + if (m < epsilon2$2) { + x = X1, y = Y1, z = Z1; + // If the feature has zero length, fall back to arithmetic mean of point vectors. + if (W1 < epsilon$4) x = X0, y = Y0, z = Z0; + m = x * x + y * y + z * z; + // If the feature still has an undefined ccentroid, then return. + if (m < epsilon2$2) return [NaN, NaN]; } - function graticuleY(x0, x1, dx) { - var x = range(x0, x1 - epsilon$4, dx).concat(x1); - return function(y) { return x.map(function(x) { return [x, y]; }); }; - } + return [atan2(y, x) * degrees$1, asin$1(z / sqrt$1(m)) * degrees$1]; +} - function graticule() { - var x1, x0, X1, X0, - y1, y0, Y1, Y0, - dx = 10, dy = dx, DX = 90, DY = 360, - x, y, X, Y, - precision = 2.5; +var constant$13 = function(x) { + return function() { + return x; + }; +} - function graticule() { - return {type: "MultiLineString", coordinates: lines()}; - } +var compose = function(a, b) { - function lines() { - return range(ceil(X0 / DX) * DX, X1, DX).map(X) - .concat(range(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) - .concat(range(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$4; }).map(x)) - .concat(range(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$4; }).map(y)); - } + function compose(x, y) { + return x = a(x, y), b(x[0], x[1]); + } - graticule.lines = function() { - return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); - }; + if (a.invert && b.invert) compose.invert = function(x, y) { + return x = b.invert(x, y), x && a.invert(x[0], x[1]); + }; - graticule.outline = function() { - return { - type: "Polygon", - coordinates: [ - X(X0).concat( - Y(Y1).slice(1), - X(X1).reverse().slice(1), - Y(Y0).reverse().slice(1)) - ] - }; - }; + return compose; +} - graticule.extent = function(_) { - if (!arguments.length) return graticule.extentMinor(); - return graticule.extentMajor(_).extentMinor(_); - }; +function rotationIdentity(lambda, phi) { + return [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi]; +} - graticule.extentMajor = function(_) { - if (!arguments.length) return [[X0, Y0], [X1, Y1]]; - X0 = +_[0][0], X1 = +_[1][0]; - Y0 = +_[0][1], Y1 = +_[1][1]; - if (X0 > X1) _ = X0, X0 = X1, X1 = _; - if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; - return graticule.precision(precision); - }; +rotationIdentity.invert = rotationIdentity; - graticule.extentMinor = function(_) { - if (!arguments.length) return [[x0, y0], [x1, y1]]; - x0 = +_[0][0], x1 = +_[1][0]; - y0 = +_[0][1], y1 = +_[1][1]; - if (x0 > x1) _ = x0, x0 = x1, x1 = _; - if (y0 > y1) _ = y0, y0 = y1, y1 = _; - return graticule.precision(precision); - }; +function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { + return (deltaLambda %= tau$4) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) + : rotationLambda(deltaLambda)) + : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) + : rotationIdentity); +} - graticule.step = function(_) { - if (!arguments.length) return graticule.stepMinor(); - return graticule.stepMajor(_).stepMinor(_); - }; +function forwardRotationLambda(deltaLambda) { + return function(lambda, phi) { + return lambda += deltaLambda, [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi]; + }; +} - graticule.stepMajor = function(_) { - if (!arguments.length) return [DX, DY]; - DX = +_[0], DY = +_[1]; - return graticule; - }; +function rotationLambda(deltaLambda) { + var rotation = forwardRotationLambda(deltaLambda); + rotation.invert = forwardRotationLambda(-deltaLambda); + return rotation; +} - graticule.stepMinor = function(_) { - if (!arguments.length) return [dx, dy]; - dx = +_[0], dy = +_[1]; - return graticule; - }; +function rotationPhiGamma(deltaPhi, deltaGamma) { + var cosDeltaPhi = cos$1(deltaPhi), + sinDeltaPhi = sin$1(deltaPhi), + cosDeltaGamma = cos$1(deltaGamma), + sinDeltaGamma = sin$1(deltaGamma); - graticule.precision = function(_) { - if (!arguments.length) return precision; - precision = +_; - x = graticuleX(y0, y1, 90); - y = graticuleY(x0, x1, precision); - X = graticuleX(Y0, Y1, 90); - Y = graticuleY(X0, X1, precision); - return graticule; - }; + function rotation(lambda, phi) { + var cosPhi = cos$1(phi), + x = cos$1(lambda) * cosPhi, + y = sin$1(lambda) * cosPhi, + z = sin$1(phi), + k = z * cosDeltaPhi + x * sinDeltaPhi; + return [ + atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi), + asin$1(k * cosDeltaGamma + y * sinDeltaGamma) + ]; + } - return graticule - .extentMajor([[-180, -90 + epsilon$4], [180, 90 - epsilon$4]]) - .extentMinor([[-180, -80 - epsilon$4], [180, 80 + epsilon$4]]); - } - - function interpolate$2(a, b) { - var x0 = a[0] * radians, - y0 = a[1] * radians, - x1 = b[0] * radians, - y1 = b[1] * radians, - cy0 = cos$1(y0), - sy0 = sin$1(y0), - cy1 = cos$1(y1), - sy1 = sin$1(y1), - kx0 = cy0 * cos$1(x0), - ky0 = cy0 * sin$1(x0), - kx1 = cy1 * cos$1(x1), - ky1 = cy1 * sin$1(x1), - d = 2 * asin$1(sqrt$1(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), - k = sin$1(d); - - var interpolate = d ? function(t) { - var B = sin$1(t *= d) / k, - A = sin$1(d - t) / k, - x = A * kx0 + B * kx1, - y = A * ky0 + B * ky1, - z = A * sy0 + B * sy1; - return [ - atan2(y, x) * degrees$1, - atan2(z, sqrt$1(x * x + y * y)) * degrees$1 - ]; - } : function() { - return [x0 * degrees$1, y0 * degrees$1]; - }; + rotation.invert = function(lambda, phi) { + var cosPhi = cos$1(phi), + x = cos$1(lambda) * cosPhi, + y = sin$1(lambda) * cosPhi, + z = sin$1(phi), + k = z * cosDeltaGamma - y * sinDeltaGamma; + return [ + atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi), + asin$1(k * cosDeltaPhi - x * sinDeltaPhi) + ]; + }; - interpolate.distance = d; + return rotation; +} - return interpolate; - } +var rotation = function(rotate) { + rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); - function identity$7(x) { - return x; + function forward(coordinates) { + coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians); + return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; } -var areaSum$1 = adder(); -var areaRingSum$1 = adder(); - var x00; - var y00; -var x0$1; -var y0$1; - var areaStream$1 = { - point: noop$2, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: function() { - areaStream$1.lineStart = areaRingStart$1; - areaStream$1.lineEnd = areaRingEnd$1; - }, - polygonEnd: function() { - areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$2; - areaSum$1.add(abs(areaRingSum$1)); - areaRingSum$1.reset(); - }, - result: function() { - var area = areaSum$1 / 2; - areaSum$1.reset(); - return area; - } + forward.invert = function(coordinates) { + coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians); + return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; }; - function areaRingStart$1() { - areaStream$1.point = areaPointFirst$1; - } - - function areaPointFirst$1(x, y) { - areaStream$1.point = areaPoint$1; - x00 = x0$1 = x, y00 = y0$1 = y; + return forward; +} + +// Generates a circle centered at [0°, 0°], with a given radius and precision. +function circleStream(stream, radius, delta, direction, t0, t1) { + if (!delta) return; + var cosRadius = cos$1(radius), + sinRadius = sin$1(radius), + step = direction * delta; + if (t0 == null) { + t0 = radius + direction * tau$4; + t1 = radius - step / 2; + } else { + t0 = circleRadius(cosRadius, t0); + t1 = circleRadius(cosRadius, t1); + if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$4; + } + for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) { + point = spherical([cosRadius, -sinRadius * cos$1(t), -sinRadius * sin$1(t)]); + stream.point(point[0], point[1]); + } +} + +// Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0]. +function circleRadius(cosRadius, point) { + point = cartesian(point), point[0] -= cosRadius; + cartesianNormalizeInPlace(point); + var radius = acos(-point[1]); + return ((-point[2] < 0 ? -radius : radius) + tau$4 - epsilon$4) % tau$4; +} + +var circle$1 = function() { + var center = constant$13([0, 0]), + radius = constant$13(90), + precision = constant$13(6), + ring, + rotate, + stream = {point: point}; + + function point(x, y) { + ring.push(x = rotate(x, y)); + x[0] *= degrees$1, x[1] *= degrees$1; + } + + function circle() { + var c = center.apply(this, arguments), + r = radius.apply(this, arguments) * radians, + p = precision.apply(this, arguments) * radians; + ring = []; + rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert; + circleStream(stream, r, p, 1); + c = {type: "Polygon", coordinates: [ring]}; + ring = rotate = null; + return c; } - function areaPoint$1(x, y) { - areaRingSum$1.add(y0$1 * x - x0$1 * y); - x0$1 = x, y0$1 = y; - } + circle.center = function(_) { + return arguments.length ? (center = typeof _ === "function" ? _ : constant$13([+_[0], +_[1]]), circle) : center; + }; - function areaRingEnd$1() { - areaPoint$1(x00, y00); - } + circle.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$13(+_), circle) : radius; + }; -var x0$2 = Infinity; -var y0$2 = x0$2; - var x1 = -x0$2; - var y1 = x1; - var boundsStream$1 = { - point: boundsPoint$1, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: noop$2, - polygonEnd: noop$2, - result: function() { - var bounds = [[x0$2, y0$2], [x1, y1]]; - x1 = y1 = -(y0$2 = x0$2 = Infinity); - return bounds; - } + circle.precision = function(_) { + return arguments.length ? (precision = typeof _ === "function" ? _ : constant$13(+_), circle) : precision; }; - function boundsPoint$1(x, y) { - if (x < x0$2) x0$2 = x; - if (x > x1) x1 = x; - if (y < y0$2) y0$2 = y; - if (y > y1) y1 = y; - } + return circle; +} -var X0$1 = 0; -var Y0$1 = 0; -var Z0$1 = 0; -var X1$1 = 0; -var Y1$1 = 0; -var Z1$1 = 0; -var X2$1 = 0; -var Y2$1 = 0; -var Z2$1 = 0; -var x00$1; -var y00$1; -var x0$3; -var y0$3; - var centroidStream$1 = { - point: centroidPoint$1, - lineStart: centroidLineStart$1, - lineEnd: centroidLineEnd$1, - polygonStart: function() { - centroidStream$1.lineStart = centroidRingStart$1; - centroidStream$1.lineEnd = centroidRingEnd$1; +var clipBuffer = function() { + var lines = [], + line; + return { + point: function(x, y) { + line.push([x, y]); + }, + lineStart: function() { + lines.push(line = []); }, - polygonEnd: function() { - centroidStream$1.point = centroidPoint$1; - centroidStream$1.lineStart = centroidLineStart$1; - centroidStream$1.lineEnd = centroidLineEnd$1; + lineEnd: noop$2, + rejoin: function() { + if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); }, result: function() { - var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] - : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] - : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] - : [NaN, NaN]; - X0$1 = Y0$1 = Z0$1 = - X1$1 = Y1$1 = Z1$1 = - X2$1 = Y2$1 = Z2$1 = 0; - return centroid; + var result = lines; + lines = []; + line = null; + return result; } }; +} + +var clipLine = function(a, b, x0, y0, x1, y1) { + var ax = a[0], + ay = a[1], + bx = b[0], + by = b[1], + t0 = 0, + t1 = 1, + dx = bx - ax, + dy = by - ay, + r; + + r = x0 - ax; + if (!dx && r > 0) return; + r /= dx; + if (dx < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dx > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = x1 - ax; + if (!dx && r < 0) return; + r /= dx; + if (dx < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dx > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + r = y0 - ay; + if (!dy && r > 0) return; + r /= dy; + if (dy < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dy > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = y1 - ay; + if (!dy && r < 0) return; + r /= dy; + if (dy < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dy > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; + if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; + return true; +} + +var pointEqual = function(a, b) { + return abs(a[0] - b[0]) < epsilon$4 && abs(a[1] - b[1]) < epsilon$4; +} + +function Intersection(point, points, other, entry) { + this.x = point; + this.z = points; + this.o = other; // another intersection + this.e = entry; // is an entry? + this.v = false; // visited + this.n = this.p = null; // next & previous +} + +// A generalized polygon clipping algorithm: given a polygon that has been cut +// into its visible line segments, and rejoins the segments by interpolating +// along the clip edge. +var clipPolygon = function(segments, compareIntersection, startInside, interpolate, stream) { + var subject = [], + clip = [], + i, + n; + + segments.forEach(function(segment) { + if ((n = segment.length - 1) <= 0) return; + var n, p0 = segment[0], p1 = segment[n], x; + + // If the first and last points of a segment are coincident, then treat as a + // closed ring. TODO if all rings are closed, then the winding order of the + // exterior ring should be checked. + if (pointEqual(p0, p1)) { + stream.lineStart(); + for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]); + stream.lineEnd(); + return; + } - function centroidPoint$1(x, y) { - X0$1 += x; - Y0$1 += y; - ++Z0$1; - } + subject.push(x = new Intersection(p0, segment, null, true)); + clip.push(x.o = new Intersection(p0, null, x, false)); + subject.push(x = new Intersection(p1, segment, null, false)); + clip.push(x.o = new Intersection(p1, null, x, true)); + }); - function centroidLineStart$1() { - centroidStream$1.point = centroidPointFirstLine; - } + if (!subject.length) return; - function centroidPointFirstLine(x, y) { - centroidStream$1.point = centroidPointLine; - centroidPoint$1(x0$3 = x, y0$3 = y); - } + clip.sort(compareIntersection); + link$1(subject); + link$1(clip); - function centroidPointLine(x, y) { - var dx = x - x0$3, dy = y - y0$3, z = sqrt$1(dx * dx + dy * dy); - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; - centroidPoint$1(x0$3 = x, y0$3 = y); + for (i = 0, n = clip.length; i < n; ++i) { + clip[i].e = startInside = !startInside; } - function centroidLineEnd$1() { - centroidStream$1.point = centroidPoint$1; - } + var start = subject[0], + points, + point; - function centroidRingStart$1() { - centroidStream$1.point = centroidPointFirstRing; + while (1) { + // Find first unvisited intersection. + var current = start, + isSubject = true; + while (current.v) if ((current = current.n) === start) return; + points = current.z; + stream.lineStart(); + do { + current.v = current.o.v = true; + if (current.e) { + if (isSubject) { + for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.n.x, 1, stream); + } + current = current.n; + } else { + if (isSubject) { + points = current.p.z; + for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.p.x, -1, stream); + } + current = current.p; + } + current = current.o; + points = current.z; + isSubject = !isSubject; + } while (!current.v); + stream.lineEnd(); } +} - function centroidRingEnd$1() { - centroidPointRing(x00$1, y00$1); +function link$1(array) { + if (!(n = array.length)) return; + var n, + i = 0, + a = array[0], + b; + while (++i < n) { + a.n = b = array[i]; + b.p = a; + a = b; } + a.n = b = array[0]; + b.p = a; +} - function centroidPointFirstRing(x, y) { - centroidStream$1.point = centroidPointRing; - centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); - } +var clipMax = 1e9; +var clipMin = -clipMax; - function centroidPointRing(x, y) { - var dx = x - x0$3, - dy = y - y0$3, - z = sqrt$1(dx * dx + dy * dy); +// TODO Use d3-polygon’s polygonContains here for the ring check? +// TODO Eliminate duplicate buffering in clipBuffer and polygon.push? - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; +function clipExtent(x0, y0, x1, y1) { - z = y0$3 * x - x0$3 * y; - X2$1 += z * (x0$3 + x); - Y2$1 += z * (y0$3 + y); - Z2$1 += z * 3; - centroidPoint$1(x0$3 = x, y0$3 = y); + function visible(x, y) { + return x0 <= x && x <= x1 && y0 <= y && y <= y1; } - function PathContext(context) { - var pointRadius = 4.5; + function interpolate(from, to, direction, stream) { + var a = 0, a1 = 0; + if (from == null + || (a = corner(from, direction)) !== (a1 = corner(to, direction)) + || comparePoint(from, to) < 0 ^ direction > 0) { + do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); + while ((a = (a + direction + 4) % 4) !== a1); + } else { + stream.point(to[0], to[1]); + } + } - var stream = { - point: point, + function corner(p, direction) { + return abs(p[0] - x0) < epsilon$4 ? direction > 0 ? 0 : 3 + : abs(p[0] - x1) < epsilon$4 ? direction > 0 ? 2 : 1 + : abs(p[1] - y0) < epsilon$4 ? direction > 0 ? 1 : 0 + : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon + } - // While inside a line, override point to moveTo then lineTo. - lineStart: function() { stream.point = pointLineStart; }, - lineEnd: lineEnd, + function compareIntersection(a, b) { + return comparePoint(a.x, b.x); + } - // While inside a polygon, override lineEnd to closePath. - polygonStart: function() { stream.lineEnd = lineEndPolygon; }, - polygonEnd: function() { stream.lineEnd = lineEnd; stream.point = point; }, + function comparePoint(a, b) { + var ca = corner(a, 1), + cb = corner(b, 1); + return ca !== cb ? ca - cb + : ca === 0 ? b[1] - a[1] + : ca === 1 ? a[0] - b[0] + : ca === 2 ? a[1] - b[1] + : b[0] - a[0]; + } - pointRadius: function(_) { - pointRadius = _; - return stream; - }, + return function(stream) { + var activeStream = stream, + bufferStream = clipBuffer(), + segments, + polygon, + ring, + x__, y__, v__, // first point + x_, y_, v_, // previous point + first, + clean; - result: noop$2 + var clipStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: polygonStart, + polygonEnd: polygonEnd }; function point(x, y) { - context.moveTo(x + pointRadius, y); - context.arc(x, y, pointRadius, 0, tau$4); + if (visible(x, y)) activeStream.point(x, y); } - function pointLineStart(x, y) { - context.moveTo(x, y); - stream.point = pointLine; - } + function polygonInside() { + var winding = 0; - function pointLine(x, y) { - context.lineTo(x, y); - } + for (var i = 0, n = polygon.length; i < n; ++i) { + for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { + a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; + if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } + else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } + } + } - function lineEnd() { - stream.point = point; + return winding; } - function lineEndPolygon() { - context.closePath(); + // Buffer geometry within a polygon and then clip it en masse. + function polygonStart() { + activeStream = bufferStream, segments = [], polygon = [], clean = true; } - return stream; - } - - function PathString() { - var pointCircle = circle$2(4.5), - string = []; - - var stream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - stream.lineEnd = lineEndPolygon; - }, - polygonEnd: function() { - stream.lineEnd = lineEnd; - stream.point = point; - }, - pointRadius: function(_) { - pointCircle = circle$2(_); - return stream; - }, - result: function() { - if (string.length) { - var result = string.join(""); - string = []; - return result; + function polygonEnd() { + var startInside = polygonInside(), + cleanInside = clean && startInside, + visible = (segments = merge(segments)).length; + if (cleanInside || visible) { + stream.polygonStart(); + if (cleanInside) { + stream.lineStart(); + interpolate(null, null, 1, stream); + stream.lineEnd(); } + if (visible) { + clipPolygon(segments, compareIntersection, startInside, interpolate, stream); + } + stream.polygonEnd(); } - }; - - function point(x, y) { - string.push("M", x, ",", y, pointCircle); + activeStream = stream, segments = polygon = ring = null; } - function pointLineStart(x, y) { - string.push("M", x, ",", y); - stream.point = pointLine; + function lineStart() { + clipStream.point = linePoint; + if (polygon) polygon.push(ring = []); + first = true; + v_ = false; + x_ = y_ = NaN; } - function pointLine(x, y) { - string.push("L", x, ",", y); + // TODO rather than special-case polygons, simply handle them separately. + // Ideally, coincident intersection points should be jittered to avoid + // clipping issues. + function lineEnd() { + if (segments) { + linePoint(x__, y__); + if (v__ && v_) bufferStream.rejoin(); + segments.push(bufferStream.result()); + } + clipStream.point = point; + if (v_) activeStream.lineEnd(); } - function lineStart() { - stream.point = pointLineStart; + function linePoint(x, y) { + var v = visible(x, y); + if (polygon) ring.push([x, y]); + if (first) { + x__ = x, y__ = y, v__ = v; + first = false; + if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + } + } else { + if (v && v_) activeStream.point(x, y); + else { + var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], + b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; + if (clipLine(a, b, x0, y0, x1, y1)) { + if (!v_) { + activeStream.lineStart(); + activeStream.point(a[0], a[1]); + } + activeStream.point(b[0], b[1]); + if (!v) activeStream.lineEnd(); + clean = false; + } else if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + clean = false; + } + } + } + x_ = x, y_ = y, v_ = v; } - function lineEnd() { - stream.point = point; - } + return clipStream; + }; +} - function lineEndPolygon() { - string.push("Z"); +var extent$1 = function() { + var x0 = 0, + y0 = 0, + x1 = 960, + y1 = 500, + cache, + cacheStream, + clip; + + return clip = { + stream: function(stream) { + return cache && cacheStream === stream ? cache : cache = clipExtent(x0, y0, x1, y1)(cacheStream = stream); + }, + extent: function(_) { + return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; } + }; +} + +var lengthSum = adder(); +var lambda0$2; +var sinPhi0$1; +var cosPhi0$1; + +var lengthStream = { + sphere: noop$2, + point: noop$2, + lineStart: lengthLineStart, + lineEnd: noop$2, + polygonStart: noop$2, + polygonEnd: noop$2 +}; + +function lengthLineStart() { + lengthStream.point = lengthPointFirst; + lengthStream.lineEnd = lengthLineEnd; +} + +function lengthLineEnd() { + lengthStream.point = lengthStream.lineEnd = noop$2; +} + +function lengthPointFirst(lambda, phi) { + lambda *= radians, phi *= radians; + lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi); + lengthStream.point = lengthPoint; +} + +function lengthPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var sinPhi = sin$1(phi), + cosPhi = cos$1(phi), + delta = abs(lambda - lambda0$2), + cosDelta = cos$1(delta), + sinDelta = sin$1(delta), + x = cosPhi * sinDelta, + y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, + z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; + lengthSum.add(atan2(sqrt$1(x * x + y * y), z)); + lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; +} + +var length$2 = function(object) { + lengthSum.reset(); + geoStream(object, lengthStream); + return +lengthSum; +} + +var coordinates = [null, null]; +var object$1 = {type: "LineString", coordinates: coordinates}; + +var distance = function(a, b) { + coordinates[0] = a; + coordinates[1] = b; + return length$2(object$1); +} + +function graticuleX(y0, y1, dy) { + var y = range(y0, y1 - epsilon$4, dy).concat(y1); + return function(x) { return y.map(function(y) { return [x, y]; }); }; +} + +function graticuleY(x0, x1, dx) { + var x = range(x0, x1 - epsilon$4, dx).concat(x1); + return function(y) { return x.map(function(x) { return [x, y]; }); }; +} + +var graticule = function() { + var x1, x0, X1, X0, + y1, y0, Y1, Y0, + dx = 10, dy = dx, DX = 90, DY = 360, + x, y, X, Y, + precision = 2.5; - return stream; + function graticule() { + return {type: "MultiLineString", coordinates: lines()}; } - function circle$2(radius) { - return "m0," + radius - + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius - + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius - + "z"; + function lines() { + return range(ceil(X0 / DX) * DX, X1, DX).map(X) + .concat(range(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) + .concat(range(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$4; }).map(x)) + .concat(range(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$4; }).map(y)); } - function index$3() { - var pointRadius = 4.5, - projection, - projectionStream, - context, - contextStream; - - function path(object) { - if (object) { - if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); - geoStream(object, projectionStream(contextStream)); - } - return contextStream.result(); - } + graticule.lines = function() { + return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); + }; - path.area = function(object) { - geoStream(object, projectionStream(areaStream$1)); - return areaStream$1.result(); + graticule.outline = function() { + return { + type: "Polygon", + coordinates: [ + X(X0).concat( + Y(Y1).slice(1), + X(X1).reverse().slice(1), + Y(Y0).reverse().slice(1)) + ] }; + }; - path.bounds = function(object) { - geoStream(object, projectionStream(boundsStream$1)); - return boundsStream$1.result(); - }; + graticule.extent = function(_) { + if (!arguments.length) return graticule.extentMinor(); + return graticule.extentMajor(_).extentMinor(_); + }; - path.centroid = function(object) { - geoStream(object, projectionStream(centroidStream$1)); - return centroidStream$1.result(); - }; + graticule.extentMajor = function(_) { + if (!arguments.length) return [[X0, Y0], [X1, Y1]]; + X0 = +_[0][0], X1 = +_[1][0]; + Y0 = +_[0][1], Y1 = +_[1][1]; + if (X0 > X1) _ = X0, X0 = X1, X1 = _; + if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; + return graticule.precision(precision); + }; - path.projection = function(_) { - return arguments.length ? (projectionStream = (projection = _) == null ? identity$7 : _.stream, path) : projection; - }; + graticule.extentMinor = function(_) { + if (!arguments.length) return [[x0, y0], [x1, y1]]; + x0 = +_[0][0], x1 = +_[1][0]; + y0 = +_[0][1], y1 = +_[1][1]; + if (x0 > x1) _ = x0, x0 = x1, x1 = _; + if (y0 > y1) _ = y0, y0 = y1, y1 = _; + return graticule.precision(precision); + }; - path.context = function(_) { - if (!arguments.length) return context; - contextStream = (context = _) == null ? new PathString : new PathContext(_); - if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); - return path; - }; + graticule.step = function(_) { + if (!arguments.length) return graticule.stepMinor(); + return graticule.stepMajor(_).stepMinor(_); + }; - path.pointRadius = function(_) { - if (!arguments.length) return pointRadius; - pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); - return path; - }; + graticule.stepMajor = function(_) { + if (!arguments.length) return [DX, DY]; + DX = +_[0], DY = +_[1]; + return graticule; + }; - return path.projection(null).context(null); - } - - var sum$2 = adder(); - - function polygonContains(polygon, point) { - var lambda = point[0], - phi = point[1], - normal = [sin$1(lambda), -cos$1(lambda), 0], - angle = 0, - winding = 0; - - sum$2.reset(); - - for (var i = 0, n = polygon.length; i < n; ++i) { - if (!(m = (ring = polygon[i]).length)) continue; - var ring, - m, - point0 = ring[m - 1], - lambda0 = point0[0], - phi0 = point0[1] / 2 + quarterPi, - sinPhi0 = sin$1(phi0), - cosPhi0 = cos$1(phi0); - - for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { - var point1 = ring[j], - lambda1 = point1[0], - phi1 = point1[1] / 2 + quarterPi, - sinPhi1 = sin$1(phi1), - cosPhi1 = cos$1(phi1), - delta = lambda1 - lambda0, - sign = delta >= 0 ? 1 : -1, - absDelta = sign * delta, - antimeridian = absDelta > pi$4, - k = sinPhi0 * sinPhi1; - - sum$2.add(atan2(k * sign * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); - angle += antimeridian ? delta + sign * tau$4 : delta; - - // Are the longitudes either side of the point’s meridian (lambda), - // and are the latitudes smaller than the parallel (phi)? - if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) { - var arc = cartesianCross(cartesian(point0), cartesian(point1)); - cartesianNormalizeInPlace(arc); - var intersection = cartesianCross(normal, arc); - cartesianNormalizeInPlace(intersection); - var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin$1(intersection[2]); - if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) { - winding += antimeridian ^ delta >= 0 ? 1 : -1; - } - } + graticule.stepMinor = function(_) { + if (!arguments.length) return [dx, dy]; + dx = +_[0], dy = +_[1]; + return graticule; + }; + + graticule.precision = function(_) { + if (!arguments.length) return precision; + precision = +_; + x = graticuleX(y0, y1, 90); + y = graticuleY(x0, x1, precision); + X = graticuleX(Y0, Y1, 90); + Y = graticuleY(X0, X1, precision); + return graticule; + }; + + return graticule + .extentMajor([[-180, -90 + epsilon$4], [180, 90 - epsilon$4]]) + .extentMinor([[-180, -80 - epsilon$4], [180, 80 + epsilon$4]]); +} + +var interpolate$2 = function(a, b) { + var x0 = a[0] * radians, + y0 = a[1] * radians, + x1 = b[0] * radians, + y1 = b[1] * radians, + cy0 = cos$1(y0), + sy0 = sin$1(y0), + cy1 = cos$1(y1), + sy1 = sin$1(y1), + kx0 = cy0 * cos$1(x0), + ky0 = cy0 * sin$1(x0), + kx1 = cy1 * cos$1(x1), + ky1 = cy1 * sin$1(x1), + d = 2 * asin$1(sqrt$1(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), + k = sin$1(d); + + var interpolate = d ? function(t) { + var B = sin$1(t *= d) / k, + A = sin$1(d - t) / k, + x = A * kx0 + B * kx1, + y = A * ky0 + B * ky1, + z = A * sy0 + B * sy1; + return [ + atan2(y, x) * degrees$1, + atan2(z, sqrt$1(x * x + y * y)) * degrees$1 + ]; + } : function() { + return [x0 * degrees$1, y0 * degrees$1]; + }; + + interpolate.distance = d; + + return interpolate; +} + +var identity$7 = function(x) { + return x; +} + +var areaSum$1 = adder(); +var areaRingSum$1 = adder(); +var x00; +var y00; +var x0$1; +var y0$1; + +var areaStream$1 = { + point: noop$2, + lineStart: noop$2, + lineEnd: noop$2, + polygonStart: function() { + areaStream$1.lineStart = areaRingStart$1; + areaStream$1.lineEnd = areaRingEnd$1; + }, + polygonEnd: function() { + areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$2; + areaSum$1.add(abs(areaRingSum$1)); + areaRingSum$1.reset(); + }, + result: function() { + var area = areaSum$1 / 2; + areaSum$1.reset(); + return area; + } +}; + +function areaRingStart$1() { + areaStream$1.point = areaPointFirst$1; +} + +function areaPointFirst$1(x, y) { + areaStream$1.point = areaPoint$1; + x00 = x0$1 = x, y00 = y0$1 = y; +} + +function areaPoint$1(x, y) { + areaRingSum$1.add(y0$1 * x - x0$1 * y); + x0$1 = x, y0$1 = y; +} + +function areaRingEnd$1() { + areaPoint$1(x00, y00); +} + +var x0$2 = Infinity; +var y0$2 = x0$2; +var x1 = -x0$2; +var y1 = x1; + +var boundsStream$1 = { + point: boundsPoint$1, + lineStart: noop$2, + lineEnd: noop$2, + polygonStart: noop$2, + polygonEnd: noop$2, + result: function() { + var bounds = [[x0$2, y0$2], [x1, y1]]; + x1 = y1 = -(y0$2 = x0$2 = Infinity); + return bounds; + } +}; + +function boundsPoint$1(x, y) { + if (x < x0$2) x0$2 = x; + if (x > x1) x1 = x; + if (y < y0$2) y0$2 = y; + if (y > y1) y1 = y; +} + +// TODO Enforce positive area for exterior, negative area for interior? + +var X0$1 = 0; +var Y0$1 = 0; +var Z0$1 = 0; +var X1$1 = 0; +var Y1$1 = 0; +var Z1$1 = 0; +var X2$1 = 0; +var Y2$1 = 0; +var Z2$1 = 0; +var x00$1; +var y00$1; +var x0$3; +var y0$3; + +var centroidStream$1 = { + point: centroidPoint$1, + lineStart: centroidLineStart$1, + lineEnd: centroidLineEnd$1, + polygonStart: function() { + centroidStream$1.lineStart = centroidRingStart$1; + centroidStream$1.lineEnd = centroidRingEnd$1; + }, + polygonEnd: function() { + centroidStream$1.point = centroidPoint$1; + centroidStream$1.lineStart = centroidLineStart$1; + centroidStream$1.lineEnd = centroidLineEnd$1; + }, + result: function() { + var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] + : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] + : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] + : [NaN, NaN]; + X0$1 = Y0$1 = Z0$1 = + X1$1 = Y1$1 = Z1$1 = + X2$1 = Y2$1 = Z2$1 = 0; + return centroid; + } +}; + +function centroidPoint$1(x, y) { + X0$1 += x; + Y0$1 += y; + ++Z0$1; +} + +function centroidLineStart$1() { + centroidStream$1.point = centroidPointFirstLine; +} + +function centroidPointFirstLine(x, y) { + centroidStream$1.point = centroidPointLine; + centroidPoint$1(x0$3 = x, y0$3 = y); +} + +function centroidPointLine(x, y) { + var dx = x - x0$3, dy = y - y0$3, z = sqrt$1(dx * dx + dy * dy); + X1$1 += z * (x0$3 + x) / 2; + Y1$1 += z * (y0$3 + y) / 2; + Z1$1 += z; + centroidPoint$1(x0$3 = x, y0$3 = y); +} + +function centroidLineEnd$1() { + centroidStream$1.point = centroidPoint$1; +} + +function centroidRingStart$1() { + centroidStream$1.point = centroidPointFirstRing; +} + +function centroidRingEnd$1() { + centroidPointRing(x00$1, y00$1); +} + +function centroidPointFirstRing(x, y) { + centroidStream$1.point = centroidPointRing; + centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); +} + +function centroidPointRing(x, y) { + var dx = x - x0$3, + dy = y - y0$3, + z = sqrt$1(dx * dx + dy * dy); + + X1$1 += z * (x0$3 + x) / 2; + Y1$1 += z * (y0$3 + y) / 2; + Z1$1 += z; + + z = y0$3 * x - x0$3 * y; + X2$1 += z * (x0$3 + x); + Y2$1 += z * (y0$3 + y); + Z2$1 += z * 3; + centroidPoint$1(x0$3 = x, y0$3 = y); +} + +function PathContext(context) { + this._context = context; +} + +PathContext.prototype = { + _radius: 4.5, + pointRadius: function(_) { + return this._radius = _, this; + }, + polygonStart: function() { + this._line = 0; + }, + polygonEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line === 0) this._context.closePath(); + this._point = NaN; + }, + point: function(x, y) { + switch (this._point) { + case 0: { + this._context.moveTo(x, y); + this._point = 1; + break; + } + case 1: { + this._context.lineTo(x, y); + break; + } + default: { + this._context.moveTo(x + this._radius, y); + this._context.arc(x, y, this._radius, 0, tau$4); + break; } } + }, + result: noop$2 +}; + +function PathString() { + this._string = []; +} + +PathString.prototype = { + _circle: circle$2(4.5), + pointRadius: function(_) { + return this._circle = circle$2(_), this; + }, + polygonStart: function() { + this._line = 0; + }, + polygonEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line === 0) this._string.push("Z"); + this._point = NaN; + }, + point: function(x, y) { + switch (this._point) { + case 0: { + this._string.push("M", x, ",", y); + this._point = 1; + break; + } + case 1: { + this._string.push("L", x, ",", y); + break; + } + default: { + this._string.push("M", x, ",", y, this._circle); + break; + } + } + }, + result: function() { + if (this._string.length) { + var result = this._string.join(""); + this._string = []; + return result; + } + } +}; - // First, determine whether the South pole is inside or outside: - // - // It is inside if: - // * the polygon winds around it in a clockwise direction. - // * the polygon does not (cumulatively) wind around it, but has a negative - // (counter-clockwise) area. - // - // Second, count the (signed) number of times a segment crosses a lambda - // from the point to the South pole. If it is zero, then the point is the - // same side as the South pole. - - return (angle < -epsilon$4 || angle < epsilon$4 && sum$2 < -epsilon$4) ^ (winding & 1); - } - - function clip(pointVisible, clipLine, interpolate, start) { - return function(rotate, sink) { - var line = clipLine(sink), - rotatedStart = rotate.invert(start[0], start[1]), - ringBuffer = clipBuffer(), - ringSink = clipLine(ringBuffer), - polygonStarted = false, - polygon, - segments, - ring; - - var clip = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - clip.point = pointRing; - clip.lineStart = ringStart; - clip.lineEnd = ringEnd; - segments = []; - polygon = []; - }, - polygonEnd: function() { - clip.point = point; - clip.lineStart = lineStart; - clip.lineEnd = lineEnd; - segments = merge(segments); - var startInside = polygonContains(polygon, rotatedStart); - if (segments.length) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - clipPolygon(segments, compareIntersection, startInside, interpolate, sink); - } else if (startInside) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - } - if (polygonStarted) sink.polygonEnd(), polygonStarted = false; - segments = polygon = null; - }, - sphere: function() { - sink.polygonStart(); - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - sink.polygonEnd(); - } - }; +function circle$2(radius) { + return "m0," + radius + + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + + "z"; +} - function point(lambda, phi) { - var point = rotate(lambda, phi); - if (pointVisible(lambda = point[0], phi = point[1])) sink.point(lambda, phi); - } +var index$3 = function() { + var pointRadius = 4.5, + projection, + projectionStream, + context, + contextStream; - function pointLine(lambda, phi) { - var point = rotate(lambda, phi); - line.point(point[0], point[1]); - } + function path(object) { + if (object) { + if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); + geoStream(object, projectionStream(contextStream)); + } + return contextStream.result(); + } - function lineStart() { - clip.point = pointLine; - line.lineStart(); - } + path.area = function(object) { + geoStream(object, projectionStream(areaStream$1)); + return areaStream$1.result(); + }; + + path.bounds = function(object) { + geoStream(object, projectionStream(boundsStream$1)); + return boundsStream$1.result(); + }; + + path.centroid = function(object) { + geoStream(object, projectionStream(centroidStream$1)); + return centroidStream$1.result(); + }; + + path.projection = function(_) { + return arguments.length ? (projectionStream = (projection = _) == null ? identity$7 : _.stream, path) : projection; + }; + + path.context = function(_) { + if (!arguments.length) return context; + contextStream = (context = _) == null ? new PathString : new PathContext(_); + if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); + return path; + }; + + path.pointRadius = function(_) { + if (!arguments.length) return pointRadius; + pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); + return path; + }; - function lineEnd() { + return path.projection(null).context(null); +} + +var sum$2 = adder(); + +var polygonContains = function(polygon, point) { + var lambda = point[0], + phi = point[1], + normal = [sin$1(lambda), -cos$1(lambda), 0], + angle = 0, + winding = 0; + + sum$2.reset(); + + for (var i = 0, n = polygon.length; i < n; ++i) { + if (!(m = (ring = polygon[i]).length)) continue; + var ring, + m, + point0 = ring[m - 1], + lambda0 = point0[0], + phi0 = point0[1] / 2 + quarterPi, + sinPhi0 = sin$1(phi0), + cosPhi0 = cos$1(phi0); + + for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { + var point1 = ring[j], + lambda1 = point1[0], + phi1 = point1[1] / 2 + quarterPi, + sinPhi1 = sin$1(phi1), + cosPhi1 = cos$1(phi1), + delta = lambda1 - lambda0, + sign$$1 = delta >= 0 ? 1 : -1, + absDelta = sign$$1 * delta, + antimeridian = absDelta > pi$4, + k = sinPhi0 * sinPhi1; + + sum$2.add(atan2(k * sign$$1 * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); + angle += antimeridian ? delta + sign$$1 * tau$4 : delta; + + // Are the longitudes either side of the point’s meridian (lambda), + // and are the latitudes smaller than the parallel (phi)? + if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) { + var arc = cartesianCross(cartesian(point0), cartesian(point1)); + cartesianNormalizeInPlace(arc); + var intersection = cartesianCross(normal, arc); + cartesianNormalizeInPlace(intersection); + var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin$1(intersection[2]); + if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) { + winding += antimeridian ^ delta >= 0 ? 1 : -1; + } + } + } + } + + // First, determine whether the South pole is inside or outside: + // + // It is inside if: + // * the polygon winds around it in a clockwise direction. + // * the polygon does not (cumulatively) wind around it, but has a negative + // (counter-clockwise) area. + // + // Second, count the (signed) number of times a segment crosses a lambda + // from the point to the South pole. If it is zero, then the point is the + // same side as the South pole. + + return (angle < -epsilon$4 || angle < epsilon$4 && sum$2 < -epsilon$4) ^ (winding & 1); +} + +var clip = function(pointVisible, clipLine, interpolate, start) { + return function(rotate, sink) { + var line = clipLine(sink), + rotatedStart = rotate.invert(start[0], start[1]), + ringBuffer = clipBuffer(), + ringSink = clipLine(ringBuffer), + polygonStarted = false, + polygon, + segments, + ring; + + var clip = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + clip.point = pointRing; + clip.lineStart = ringStart; + clip.lineEnd = ringEnd; + segments = []; + polygon = []; + }, + polygonEnd: function() { clip.point = point; - line.lineEnd(); + clip.lineStart = lineStart; + clip.lineEnd = lineEnd; + segments = merge(segments); + var startInside = polygonContains(polygon, rotatedStart); + if (segments.length) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + clipPolygon(segments, compareIntersection, startInside, interpolate, sink); + } else if (startInside) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); + } + if (polygonStarted) sink.polygonEnd(), polygonStarted = false; + segments = polygon = null; + }, + sphere: function() { + sink.polygonStart(); + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); + sink.polygonEnd(); } + }; - function pointRing(lambda, phi) { - ring.push([lambda, phi]); - var point = rotate(lambda, phi); - ringSink.point(point[0], point[1]); - } + function point(lambda, phi) { + var point = rotate(lambda, phi); + if (pointVisible(lambda = point[0], phi = point[1])) sink.point(lambda, phi); + } - function ringStart() { - ringSink.lineStart(); - ring = []; - } + function pointLine(lambda, phi) { + var point = rotate(lambda, phi); + line.point(point[0], point[1]); + } - function ringEnd() { - pointRing(ring[0][0], ring[0][1]); - ringSink.lineEnd(); + function lineStart() { + clip.point = pointLine; + line.lineStart(); + } - var clean = ringSink.clean(), - ringSegments = ringBuffer.result(), - i, n = ringSegments.length, m, - segment, - point; + function lineEnd() { + clip.point = point; + line.lineEnd(); + } - ring.pop(); - polygon.push(ring); - ring = null; + function pointRing(lambda, phi) { + ring.push([lambda, phi]); + var point = rotate(lambda, phi); + ringSink.point(point[0], point[1]); + } - if (!n) return; + function ringStart() { + ringSink.lineStart(); + ring = []; + } - // No intersections. - if (clean & 1) { - segment = ringSegments[0]; - if ((m = segment.length - 1) > 0) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); - sink.lineEnd(); - } - return; - } + function ringEnd() { + pointRing(ring[0][0], ring[0][1]); + ringSink.lineEnd(); - // Rejoin connected segments. - // TODO reuse ringBuffer.rejoin()? - if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); + var clean = ringSink.clean(), + ringSegments = ringBuffer.result(), + i, n = ringSegments.length, m, + segment, + point; - segments.push(ringSegments.filter(validSegment)); - } + ring.pop(); + polygon.push(ring); + ring = null; - return clip; - }; - } + if (!n) return; - function validSegment(segment) { - return segment.length > 1; - } + // No intersections. + if (clean & 1) { + segment = ringSegments[0]; + if ((m = segment.length - 1) > 0) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); + sink.lineEnd(); + } + return; + } - // Intersections are sorted along the clip edge. For both antimeridian cutting - // and circle clipping, the same comparison is used. - function compareIntersection(a, b) { - return ((a = a.x)[0] < 0 ? a[1] - halfPi$3 - epsilon$4 : halfPi$3 - a[1]) - - ((b = b.x)[0] < 0 ? b[1] - halfPi$3 - epsilon$4 : halfPi$3 - b[1]); - } + // Rejoin connected segments. + // TODO reuse ringBuffer.rejoin()? + if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); - var clipAntimeridian = clip( - function() { return true; }, - clipAntimeridianLine, - clipAntimeridianInterpolate, - [-pi$4, -halfPi$3] - ); + segments.push(ringSegments.filter(validSegment)); + } - // Takes a line and cuts into visible segments. Return values: 0 - there were - // intersections or the line was empty; 1 - no intersections; 2 - there were - // intersections, and the first and last segments should be rejoined. - function clipAntimeridianLine(stream) { - var lambda0 = NaN, - phi0 = NaN, - sign0 = NaN, + return clip; + }; +} + +function validSegment(segment) { + return segment.length > 1; +} + +// Intersections are sorted along the clip edge. For both antimeridian cutting +// and circle clipping, the same comparison is used. +function compareIntersection(a, b) { + return ((a = a.x)[0] < 0 ? a[1] - halfPi$3 - epsilon$4 : halfPi$3 - a[1]) + - ((b = b.x)[0] < 0 ? b[1] - halfPi$3 - epsilon$4 : halfPi$3 - b[1]); +} + +var clipAntimeridian = clip( + function() { return true; }, + clipAntimeridianLine, + clipAntimeridianInterpolate, + [-pi$4, -halfPi$3] +); + +// Takes a line and cuts into visible segments. Return values: 0 - there were +// intersections or the line was empty; 1 - no intersections; 2 - there were +// intersections, and the first and last segments should be rejoined. +function clipAntimeridianLine(stream) { + var lambda0 = NaN, + phi0 = NaN, + sign0 = NaN, + clean; // no intersections + + return { + lineStart: function() { + stream.lineStart(); + clean = 1; + }, + point: function(lambda1, phi1) { + var sign1 = lambda1 > 0 ? pi$4 : -pi$4, + delta = abs(lambda1 - lambda0); + if (abs(delta - pi$4) < epsilon$4) { // line crosses a pole + stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$3 : -halfPi$3); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + stream.point(lambda1, phi0); + clean = 0; + } else if (sign0 !== sign1 && delta >= pi$4) { // line crosses antimeridian + if (abs(lambda0 - sign0) < epsilon$4) lambda0 -= sign0 * epsilon$4; // handle degeneracies + if (abs(lambda1 - sign1) < epsilon$4) lambda1 -= sign1 * epsilon$4; + phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + clean = 0; + } + stream.point(lambda0 = lambda1, phi0 = phi1); + sign0 = sign1; + }, + lineEnd: function() { + stream.lineEnd(); + lambda0 = phi0 = NaN; + }, + clean: function() { + return 2 - clean; // if intersections, rejoin first and last segments + } + }; +} + +function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { + var cosPhi0, + cosPhi1, + sinLambda0Lambda1 = sin$1(lambda0 - lambda1); + return abs(sinLambda0Lambda1) > epsilon$4 + ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) + - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) + / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) + : (phi0 + phi1) / 2; +} + +function clipAntimeridianInterpolate(from, to, direction, stream) { + var phi; + if (from == null) { + phi = direction * halfPi$3; + stream.point(-pi$4, phi); + stream.point(0, phi); + stream.point(pi$4, phi); + stream.point(pi$4, 0); + stream.point(pi$4, -phi); + stream.point(0, -phi); + stream.point(-pi$4, -phi); + stream.point(-pi$4, 0); + stream.point(-pi$4, phi); + } else if (abs(from[0] - to[0]) > epsilon$4) { + var lambda = from[0] < to[0] ? pi$4 : -pi$4; + phi = direction * lambda / 2; + stream.point(-lambda, phi); + stream.point(0, phi); + stream.point(lambda, phi); + } else { + stream.point(to[0], to[1]); + } +} + +var clipCircle = function(radius, delta) { + var cr = cos$1(radius), + smallRadius = cr > 0, + notHemisphere = abs(cr) > epsilon$4; // TODO optimise for this common case + + function interpolate(from, to, direction, stream) { + circleStream(stream, radius, delta, direction, from, to); + } + + function visible(lambda, phi) { + return cos$1(lambda) * cos$1(phi) > cr; + } + + // Takes a line and cuts into visible segments. Return values used for polygon + // clipping: 0 - there were intersections or the line was empty; 1 - no + // intersections 2 - there were intersections, and the first and last segments + // should be rejoined. + function clipLine(stream) { + var point0, // previous point + c0, // code for previous point + v0, // visibility of previous point + v00, // visibility of first point clean; // no intersections - return { lineStart: function() { - stream.lineStart(); + v00 = v0 = false; clean = 1; }, - point: function(lambda1, phi1) { - var sign1 = lambda1 > 0 ? pi$4 : -pi$4, - delta = abs(lambda1 - lambda0); - if (abs(delta - pi$4) < epsilon$4) { // line crosses a pole - stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$3 : -halfPi$3); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - stream.point(lambda1, phi0); - clean = 0; - } else if (sign0 !== sign1 && delta >= pi$4) { // line crosses antimeridian - if (abs(lambda0 - sign0) < epsilon$4) lambda0 -= sign0 * epsilon$4; // handle degeneracies - if (abs(lambda1 - sign1) < epsilon$4) lambda1 -= sign1 * epsilon$4; - phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - clean = 0; + point: function(lambda, phi) { + var point1 = [lambda, phi], + point2, + v = visible(lambda, phi), + c = smallRadius + ? v ? 0 : code(lambda, phi) + : v ? code(lambda + (lambda < 0 ? pi$4 : -pi$4), phi) : 0; + if (!point0 && (v00 = v0 = v)) stream.lineStart(); + // Handle degeneracies. + // TODO ignore if not clipping polygons. + if (v !== v0) { + point2 = intersect(point0, point1); + if (pointEqual(point0, point2) || pointEqual(point1, point2)) { + point1[0] += epsilon$4; + point1[1] += epsilon$4; + v = visible(point1[0], point1[1]); + } } - stream.point(lambda0 = lambda1, phi0 = phi1); - sign0 = sign1; - }, - lineEnd: function() { - stream.lineEnd(); - lambda0 = phi0 = NaN; - }, - clean: function() { - return 2 - clean; // if intersections, rejoin first and last segments - } - }; - } - - function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { - var cosPhi0, - cosPhi1, - sinLambda0Lambda1 = sin$1(lambda0 - lambda1); - return abs(sinLambda0Lambda1) > epsilon$4 - ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) - - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) - / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) - : (phi0 + phi1) / 2; - } - - function clipAntimeridianInterpolate(from, to, direction, stream) { - var phi; - if (from == null) { - phi = direction * halfPi$3; - stream.point(-pi$4, phi); - stream.point(0, phi); - stream.point(pi$4, phi); - stream.point(pi$4, 0); - stream.point(pi$4, -phi); - stream.point(0, -phi); - stream.point(-pi$4, -phi); - stream.point(-pi$4, 0); - stream.point(-pi$4, phi); - } else if (abs(from[0] - to[0]) > epsilon$4) { - var lambda = from[0] < to[0] ? pi$4 : -pi$4; - phi = direction * lambda / 2; - stream.point(-lambda, phi); - stream.point(0, phi); - stream.point(lambda, phi); - } else { - stream.point(to[0], to[1]); - } - } - - function clipCircle(radius, delta) { - var cr = cos$1(radius), - smallRadius = cr > 0, - notHemisphere = abs(cr) > epsilon$4; // TODO optimise for this common case - - function interpolate(from, to, direction, stream) { - circleStream(stream, radius, delta, direction, from, to); - } - - function visible(lambda, phi) { - return cos$1(lambda) * cos$1(phi) > cr; - } - - // Takes a line and cuts into visible segments. Return values used for polygon - // clipping: 0 - there were intersections or the line was empty; 1 - no - // intersections 2 - there were intersections, and the first and last segments - // should be rejoined. - function clipLine(stream) { - var point0, // previous point - c0, // code for previous point - v0, // visibility of previous point - v00, // visibility of first point - clean; // no intersections - return { - lineStart: function() { - v00 = v0 = false; - clean = 1; - }, - point: function(lambda, phi) { - var point1 = [lambda, phi], - point2, - v = visible(lambda, phi), - c = smallRadius - ? v ? 0 : code(lambda, phi) - : v ? code(lambda + (lambda < 0 ? pi$4 : -pi$4), phi) : 0; - if (!point0 && (v00 = v0 = v)) stream.lineStart(); - // Handle degeneracies. - // TODO ignore if not clipping polygons. - if (v !== v0) { + if (v !== v0) { + clean = 0; + if (v) { + // outside going in + stream.lineStart(); + point2 = intersect(point1, point0); + stream.point(point2[0], point2[1]); + } else { + // inside going out point2 = intersect(point0, point1); - if (pointEqual(point0, point2) || pointEqual(point1, point2)) { - point1[0] += epsilon$4; - point1[1] += epsilon$4; - v = visible(point1[0], point1[1]); - } + stream.point(point2[0], point2[1]); + stream.lineEnd(); } - if (v !== v0) { + point0 = point2; + } else if (notHemisphere && point0 && smallRadius ^ v) { + var t; + // If the codes for two points are different, or are both zero, + // and there this segment intersects with the small circle. + if (!(c & c0) && (t = intersect(point1, point0, true))) { clean = 0; - if (v) { - // outside going in + if (smallRadius) { stream.lineStart(); - point2 = intersect(point1, point0); - stream.point(point2[0], point2[1]); + stream.point(t[0][0], t[0][1]); + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); } else { - // inside going out - point2 = intersect(point0, point1); - stream.point(point2[0], point2[1]); + stream.point(t[1][0], t[1][1]); stream.lineEnd(); - } - point0 = point2; - } else if (notHemisphere && point0 && smallRadius ^ v) { - var t; - // If the codes for two points are different, or are both zero, - // and there this segment intersects with the small circle. - if (!(c & c0) && (t = intersect(point1, point0, true))) { - clean = 0; - if (smallRadius) { - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - } else { - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - } + stream.lineStart(); + stream.point(t[0][0], t[0][1]); } } - if (v && (!point0 || !pointEqual(point0, point1))) { - stream.point(point1[0], point1[1]); - } - point0 = point1, v0 = v, c0 = c; - }, - lineEnd: function() { - if (v0) stream.lineEnd(); - point0 = null; - }, - // Rejoin first and last segments if there were intersections and the first - // and last points were visible. - clean: function() { - return clean | ((v00 && v0) << 1); } - }; - } - - // Intersects the great circle between a and b with the clip circle. - function intersect(a, b, two) { - var pa = cartesian(a), - pb = cartesian(b); + if (v && (!point0 || !pointEqual(point0, point1))) { + stream.point(point1[0], point1[1]); + } + point0 = point1, v0 = v, c0 = c; + }, + lineEnd: function() { + if (v0) stream.lineEnd(); + point0 = null; + }, + // Rejoin first and last segments if there were intersections and the first + // and last points were visible. + clean: function() { + return clean | ((v00 && v0) << 1); + } + }; + } - // We have two planes, n1.p = d1 and n2.p = d2. - // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). - var n1 = [1, 0, 0], // normal - n2 = cartesianCross(pa, pb), - n2n2 = cartesianDot(n2, n2), - n1n2 = n2[0], // cartesianDot(n1, n2), - determinant = n2n2 - n1n2 * n1n2; + // Intersects the great circle between a and b with the clip circle. + function intersect(a, b, two) { + var pa = cartesian(a), + pb = cartesian(b); - // Two polar points. - if (!determinant) return !two && a; + // We have two planes, n1.p = d1 and n2.p = d2. + // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). + var n1 = [1, 0, 0], // normal + n2 = cartesianCross(pa, pb), + n2n2 = cartesianDot(n2, n2), + n1n2 = n2[0], // cartesianDot(n1, n2), + determinant = n2n2 - n1n2 * n1n2; - var c1 = cr * n2n2 / determinant, - c2 = -cr * n1n2 / determinant, - n1xn2 = cartesianCross(n1, n2), - A = cartesianScale(n1, c1), - B = cartesianScale(n2, c2); - cartesianAddInPlace(A, B); + // Two polar points. + if (!determinant) return !two && a; - // Solve |p(t)|^2 = 1. - var u = n1xn2, - w = cartesianDot(A, u), - uu = cartesianDot(u, u), - t2 = w * w - uu * (cartesianDot(A, A) - 1); + var c1 = cr * n2n2 / determinant, + c2 = -cr * n1n2 / determinant, + n1xn2 = cartesianCross(n1, n2), + A = cartesianScale(n1, c1), + B = cartesianScale(n2, c2); + cartesianAddInPlace(A, B); - if (t2 < 0) return; + // Solve |p(t)|^2 = 1. + var u = n1xn2, + w = cartesianDot(A, u), + uu = cartesianDot(u, u), + t2 = w * w - uu * (cartesianDot(A, A) - 1); - var t = sqrt$1(t2), - q = cartesianScale(u, (-w - t) / uu); - cartesianAddInPlace(q, A); - q = spherical(q); + if (t2 < 0) return; - if (!two) return q; + var t = sqrt$1(t2), + q = cartesianScale(u, (-w - t) / uu); + cartesianAddInPlace(q, A); + q = spherical(q); - // Two intersection points. - var lambda0 = a[0], - lambda1 = b[0], - phi0 = a[1], - phi1 = b[1], - z; + if (!two) return q; - if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; + // Two intersection points. + var lambda0 = a[0], + lambda1 = b[0], + phi0 = a[1], + phi1 = b[1], + z; - var delta = lambda1 - lambda0, - polar = abs(delta - pi$4) < epsilon$4, - meridian = polar || delta < epsilon$4; + if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; - if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; + var delta = lambda1 - lambda0, + polar = abs(delta - pi$4) < epsilon$4, + meridian = polar || delta < epsilon$4; - // Check that the first point is between a and b. - if (meridian - ? polar - ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$4 ? phi0 : phi1) - : phi0 <= q[1] && q[1] <= phi1 - : delta > pi$4 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { - var q1 = cartesianScale(u, (-w + t) / uu); - cartesianAddInPlace(q1, A); - return [q, spherical(q1)]; - } - } + if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; - // Generates a 4-bit vector representing the location of a point relative to - // the small circle's bounding box. - function code(lambda, phi) { - var r = smallRadius ? radius : pi$4 - radius, - code = 0; - if (lambda < -r) code |= 1; // left - else if (lambda > r) code |= 2; // right - if (phi < -r) code |= 4; // below - else if (phi > r) code |= 8; // above - return code; + // Check that the first point is between a and b. + if (meridian + ? polar + ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$4 ? phi0 : phi1) + : phi0 <= q[1] && q[1] <= phi1 + : delta > pi$4 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { + var q1 = cartesianScale(u, (-w + t) / uu); + cartesianAddInPlace(q1, A); + return [q, spherical(q1)]; } - - return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$4, radius - pi$4]); - } - - function transform$1(prototype) { - return { - stream: transform$2(prototype) - }; } - function transform$2(prototype) { - function T() {} - var p = T.prototype = Object.create(Transform$1.prototype); - for (var k in prototype) p[k] = prototype[k]; - return function(stream) { - var t = new T; - t.stream = stream; - return t; - }; + // Generates a 4-bit vector representing the location of a point relative to + // the small circle's bounding box. + function code(lambda, phi) { + var r = smallRadius ? radius : pi$4 - radius, + code = 0; + if (lambda < -r) code |= 1; // left + else if (lambda > r) code |= 2; // right + if (phi < -r) code |= 4; // below + else if (phi > r) code |= 8; // above + return code; } - function Transform$1() {} + return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$4, radius - pi$4]); +} - Transform$1.prototype = { - point: function(x, y) { this.stream.point(x, y); }, - sphere: function() { this.stream.sphere(); }, - lineStart: function() { this.stream.lineStart(); }, - lineEnd: function() { this.stream.lineEnd(); }, - polygonStart: function() { this.stream.polygonStart(); }, - polygonEnd: function() { this.stream.polygonEnd(); } +var transform$1 = function(prototype) { + return { + stream: transform$2(prototype) }; +} + +function transform$2(prototype) { + function T() {} + var p = T.prototype = Object.create(Transform$1.prototype); + for (var k in prototype) p[k] = prototype[k]; + return function(stream) { + var t = new T; + t.stream = stream; + return t; + }; +} - function fit(project, extent, object) { - var w = extent[1][0] - extent[0][0], - h = extent[1][1] - extent[0][1], - clip = project.clipExtent && project.clipExtent(); - - project - .scale(150) - .translate([0, 0]); - - if (clip != null) project.clipExtent(null); - - geoStream(object, project.stream(boundsStream$1)); - - var b = boundsStream$1.result(), - k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), - x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, - y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; - - if (clip != null) project.clipExtent(clip); - - return project - .scale(k * 150) - .translate([x, y]); - } - - function fitSize(project) { - return function(size, object) { - return fit(project, [[0, 0], size], object); - }; - } - - function fitExtent(project) { - return function(extent, object) { - return fit(project, extent, object); - }; - } - - var maxDepth = 16; - var cosMinDistance = cos$1(30 * radians); - // cos(minimum angular distance) - - function resample(project, delta2) { - return +delta2 ? resample$1(project, delta2) : resampleNone(project); - } +function Transform$1() {} - function resampleNone(project) { - return transform$2({ - point: function(x, y) { - x = project(x, y); - this.stream.point(x[0], x[1]); - } - }); - } +Transform$1.prototype = { + point: function(x, y) { this.stream.point(x, y); }, + sphere: function() { this.stream.sphere(); }, + lineStart: function() { this.stream.lineStart(); }, + lineEnd: function() { this.stream.lineEnd(); }, + polygonStart: function() { this.stream.polygonStart(); }, + polygonEnd: function() { this.stream.polygonEnd(); } +}; - function resample$1(project, delta2) { +function fit(project, extent, object) { + var w = extent[1][0] - extent[0][0], + h = extent[1][1] - extent[0][1], + clip = project.clipExtent && project.clipExtent(); - function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) { - var dx = x1 - x0, - dy = y1 - y0, - d2 = dx * dx + dy * dy; - if (d2 > 4 * delta2 && depth--) { - var a = a0 + a1, - b = b0 + b1, - c = c0 + c1, - m = sqrt$1(a * a + b * b + c * c), - phi2 = asin$1(c /= m), - lambda2 = abs(abs(c) - 1) < epsilon$4 || abs(lambda0 - lambda1) < epsilon$4 ? (lambda0 + lambda1) / 2 : atan2(b, a), - p = project(lambda2, phi2), - x2 = p[0], - y2 = p[1], - dx2 = x2 - x0, - dy2 = y2 - y0, - dz = dy * dx2 - dx * dy2; - if (dz * dz / d2 > delta2 // perpendicular projected distance - || abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end - || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream); - stream.point(x2, y2); - resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream); - } - } - } - return function(stream) { - var lambda00, x00, y00, a00, b00, c00, // first point - lambda0, x0, y0, a0, b0, c0; // previous point + project + .scale(150) + .translate([0, 0]); - var resampleStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; }, - polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; } - }; + if (clip != null) project.clipExtent(null); - function point(x, y) { - x = project(x, y); - stream.point(x[0], x[1]); - } + geoStream(object, project.stream(boundsStream$1)); - function lineStart() { - x0 = NaN; - resampleStream.point = linePoint; - stream.lineStart(); - } + var b = boundsStream$1.result(), + k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), + x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, + y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; - function linePoint(lambda, phi) { - var c = cartesian([lambda, phi]), p = project(lambda, phi); - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); - stream.point(x0, y0); - } + if (clip != null) project.clipExtent(clip); - function lineEnd() { - resampleStream.point = point; - stream.lineEnd(); - } + return project + .scale(k * 150) + .translate([x, y]); +} - function ringStart() { - lineStart(); - resampleStream.point = ringPoint; - resampleStream.lineEnd = ringEnd; - } +function fitSize(project) { + return function(size, object) { + return fit(project, [[0, 0], size], object); + }; +} - function ringPoint(lambda, phi) { - linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; - resampleStream.point = linePoint; - } +function fitExtent(project) { + return function(extent, object) { + return fit(project, extent, object); + }; +} - function ringEnd() { - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream); - resampleStream.lineEnd = lineEnd; - lineEnd(); - } +var maxDepth = 16; +var cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) - return resampleStream; - }; - } +var resample = function(project, delta2) { + return +delta2 ? resample$1(project, delta2) : resampleNone(project); +} - var transformRadians = transform$2({ +function resampleNone(project) { + return transform$2({ point: function(x, y) { - this.stream.point(x * radians, y * radians); + x = project(x, y); + this.stream.point(x[0], x[1]); } }); +} + +function resample$1(project, delta2) { + + function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) { + var dx = x1 - x0, + dy = y1 - y0, + d2 = dx * dx + dy * dy; + if (d2 > 4 * delta2 && depth--) { + var a = a0 + a1, + b = b0 + b1, + c = c0 + c1, + m = sqrt$1(a * a + b * b + c * c), + phi2 = asin$1(c /= m), + lambda2 = abs(abs(c) - 1) < epsilon$4 || abs(lambda0 - lambda1) < epsilon$4 ? (lambda0 + lambda1) / 2 : atan2(b, a), + p = project(lambda2, phi2), + x2 = p[0], + y2 = p[1], + dx2 = x2 - x0, + dy2 = y2 - y0, + dz = dy * dx2 - dx * dy2; + if (dz * dz / d2 > delta2 // perpendicular projected distance + || abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end + || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream); + stream.point(x2, y2); + resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream); + } + } + } + return function(stream) { + var lambda00, x00, y00, a00, b00, c00, // first point + lambda0, x0, y0, a0, b0, c0; // previous point + + var resampleStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; }, + polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; } + }; - function projection(project) { - return projectionMutator(function() { return project; })(); - } - - function projectionMutator(projectAt) { - var project, - k = 150, // scale - x = 480, y = 250, // translate - dx, dy, lambda = 0, phi = 0, // center - deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, projectRotate, // rotate - theta = null, preclip = clipAntimeridian, // clip angle - x0 = null, y0, x1, y1, postclip = identity$7, // clip extent - delta2 = 0.5, projectResample = resample(projectTransform, delta2), // precision - cache, - cacheStream; - - function projection(point) { - point = projectRotate(point[0] * radians, point[1] * radians); - return [point[0] * k + dx, dy - point[1] * k]; + function point(x, y) { + x = project(x, y); + stream.point(x[0], x[1]); } - function invert(point) { - point = projectRotate.invert((point[0] - dx) / k, (dy - point[1]) / k); - return point && [point[0] * degrees$1, point[1] * degrees$1]; + function lineStart() { + x0 = NaN; + resampleStream.point = linePoint; + stream.lineStart(); } - function projectTransform(x, y) { - return x = project(x, y), [x[0] * k + dx, dy - x[1] * k]; + function linePoint(lambda, phi) { + var c = cartesian([lambda, phi]), p = project(lambda, phi); + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); + stream.point(x0, y0); } - projection.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = transformRadians(preclip(rotate, projectResample(postclip(cacheStream = stream)))); - }; - - projection.clipAngle = function(_) { - return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians, 6 * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1; - }; - - projection.clipExtent = function(_) { - return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$7) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; - }; - - projection.scale = function(_) { - return arguments.length ? (k = +_, recenter()) : k; - }; - - projection.translate = function(_) { - return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y]; - }; - - projection.center = function(_) { - return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees$1, phi * degrees$1]; - }; - - projection.rotate = function(_) { - return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees$1, deltaPhi * degrees$1, deltaGamma * degrees$1]; - }; - - projection.precision = function(_) { - return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt$1(delta2); - }; - - projection.fitExtent = fitExtent(projection); - - projection.fitSize = fitSize(projection); - - function recenter() { - projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); - var center = project(lambda, phi); - dx = x - center[0] * k; - dy = y + center[1] * k; - return reset(); + function lineEnd() { + resampleStream.point = point; + stream.lineEnd(); } - function reset() { - cache = cacheStream = null; - return projection; + function ringStart() { + lineStart(); + resampleStream.point = ringPoint; + resampleStream.lineEnd = ringEnd; } - return function() { - project = projectAt.apply(this, arguments); - projection.invert = project.invert && invert; - return recenter(); - }; - } + function ringPoint(lambda, phi) { + linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; + resampleStream.point = linePoint; + } - function conicProjection(projectAt) { - var phi0 = 0, - phi1 = pi$4 / 3, - m = projectionMutator(projectAt), - p = m(phi0, phi1); + function ringEnd() { + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream); + resampleStream.lineEnd = lineEnd; + lineEnd(); + } - p.parallels = function(_) { - return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees$1, phi1 * degrees$1]; - }; + return resampleStream; + }; +} - return p; +var transformRadians = transform$2({ + point: function(x, y) { + this.stream.point(x * radians, y * radians); } +}); - function conicEqualAreaRaw(y0, y1) { - var sy0 = sin$1(y0), - n = (sy0 + sin$1(y1)) / 2, - c = 1 + sy0 * (2 * n - sy0), - r0 = sqrt$1(c) / n; - - function project(x, y) { - var r = sqrt$1(c - 2 * n * sin$1(y)) / n; - return [r * sin$1(x *= n), r0 - r * cos$1(x)]; - } - - project.invert = function(x, y) { - var r0y = r0 - y; - return [atan2(x, r0y) / n, asin$1((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; - }; +function projection(project) { + return projectionMutator(function() { return project; })(); +} - return project; - } +function projectionMutator(projectAt) { + var project, + k = 150, // scale + x = 480, y = 250, // translate + dx, dy, lambda = 0, phi = 0, // center + deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, projectRotate, // rotate + theta = null, preclip = clipAntimeridian, // clip angle + x0 = null, y0, x1, y1, postclip = identity$7, // clip extent + delta2 = 0.5, projectResample = resample(projectTransform, delta2), // precision + cache, + cacheStream; - function conicEqualArea() { - return conicProjection(conicEqualAreaRaw) - .scale(155.424) - .center([0, 33.6442]); + function projection(point) { + point = projectRotate(point[0] * radians, point[1] * radians); + return [point[0] * k + dx, dy - point[1] * k]; } - function albers() { - return conicEqualArea() - .parallels([29.5, 45.5]) - .scale(1070) - .translate([480, 250]) - .rotate([96, 0]) - .center([-0.6, 38.7]); + function invert(point) { + point = projectRotate.invert((point[0] - dx) / k, (dy - point[1]) / k); + return point && [point[0] * degrees$1, point[1] * degrees$1]; } - // The projections must have mutually exclusive clip regions on the sphere, - // as this will avoid emitting interleaving lines and polygons. - function multiplex(streams) { - var n = streams.length; - return { - point: function(x, y) { var i = -1; while (++i < n) streams[i].point(x, y); }, - sphere: function() { var i = -1; while (++i < n) streams[i].sphere(); }, - lineStart: function() { var i = -1; while (++i < n) streams[i].lineStart(); }, - lineEnd: function() { var i = -1; while (++i < n) streams[i].lineEnd(); }, - polygonStart: function() { var i = -1; while (++i < n) streams[i].polygonStart(); }, - polygonEnd: function() { var i = -1; while (++i < n) streams[i].polygonEnd(); } - }; + function projectTransform(x, y) { + return x = project(x, y), [x[0] * k + dx, dy - x[1] * k]; } - // A composite projection for the United States, configured by default for - // 960×500. The projection also works quite well at 960×600 if you change the - // scale to 1285 and adjust the translate accordingly. The set of standard - // parallels for each region comes from USGS, which is published here: - // http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers - function albersUsa() { - var cache, - cacheStream, - lower48 = albers(), lower48Point, - alaska = conicEqualArea().rotate([154, 0]).center([-2, 58.5]).parallels([55, 65]), alaskaPoint, // EPSG:3338 - hawaii = conicEqualArea().rotate([157, 0]).center([-3, 19.9]).parallels([8, 18]), hawaiiPoint, // ESRI:102007 - point, pointStream = {point: function(x, y) { point = [x, y]; }}; - - function albersUsa(coordinates) { - var x = coordinates[0], y = coordinates[1]; - return point = null, - (lower48Point.point(x, y), point) - || (alaskaPoint.point(x, y), point) - || (hawaiiPoint.point(x, y), point); - } - - albersUsa.invert = function(coordinates) { - var k = lower48.scale(), - t = lower48.translate(), - x = (coordinates[0] - t[0]) / k, - y = (coordinates[1] - t[1]) / k; - return (y >= 0.120 && y < 0.234 && x >= -0.425 && x < -0.214 ? alaska - : y >= 0.166 && y < 0.234 && x >= -0.214 && x < -0.115 ? hawaii - : lower48).invert(coordinates); - }; - - albersUsa.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = multiplex([lower48.stream(cacheStream = stream), alaska.stream(stream), hawaii.stream(stream)]); - }; - - albersUsa.precision = function(_) { - if (!arguments.length) return lower48.precision(); - lower48.precision(_), alaska.precision(_), hawaii.precision(_); - return albersUsa; - }; + projection.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = transformRadians(preclip(rotate, projectResample(postclip(cacheStream = stream)))); + }; - albersUsa.scale = function(_) { - if (!arguments.length) return lower48.scale(); - lower48.scale(_), alaska.scale(_ * 0.35), hawaii.scale(_); - return albersUsa.translate(lower48.translate()); - }; + projection.clipAngle = function(_) { + return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians, 6 * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1; + }; - albersUsa.translate = function(_) { - if (!arguments.length) return lower48.translate(); - var k = lower48.scale(), x = +_[0], y = +_[1]; + projection.clipExtent = function(_) { + return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$7) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + }; - lower48Point = lower48 - .translate(_) - .clipExtent([[x - 0.455 * k, y - 0.238 * k], [x + 0.455 * k, y + 0.238 * k]]) - .stream(pointStream); + projection.scale = function(_) { + return arguments.length ? (k = +_, recenter()) : k; + }; - alaskaPoint = alaska - .translate([x - 0.307 * k, y + 0.201 * k]) - .clipExtent([[x - 0.425 * k + epsilon$4, y + 0.120 * k + epsilon$4], [x - 0.214 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) - .stream(pointStream); + projection.translate = function(_) { + return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y]; + }; - hawaiiPoint = hawaii - .translate([x - 0.205 * k, y + 0.212 * k]) - .clipExtent([[x - 0.214 * k + epsilon$4, y + 0.166 * k + epsilon$4], [x - 0.115 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) - .stream(pointStream); + projection.center = function(_) { + return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees$1, phi * degrees$1]; + }; - return albersUsa; - }; + projection.rotate = function(_) { + return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees$1, deltaPhi * degrees$1, deltaGamma * degrees$1]; + }; - albersUsa.fitExtent = fitExtent(albersUsa); + projection.precision = function(_) { + return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt$1(delta2); + }; - albersUsa.fitSize = fitSize(albersUsa); + projection.fitExtent = fitExtent(projection); - return albersUsa.scale(1070); - } + projection.fitSize = fitSize(projection); - function azimuthalRaw(scale) { - return function(x, y) { - var cx = cos$1(x), - cy = cos$1(y), - k = scale(cx * cy); - return [ - k * cy * sin$1(x), - k * sin$1(y) - ]; - } + function recenter() { + projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); + var center = project(lambda, phi); + dx = x - center[0] * k; + dy = y + center[1] * k; + return reset(); } - function azimuthalInvert(angle) { - return function(x, y) { - var z = sqrt$1(x * x + y * y), - c = angle(z), - sc = sin$1(c), - cc = cos$1(c); - return [ - atan2(x * sc, z * cc), - asin$1(z && y * sc / z) - ]; - } + function reset() { + cache = cacheStream = null; + return projection; } - var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) { - return sqrt$1(2 / (1 + cxcy)); - }); - - azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) { - return 2 * asin$1(z / 2); - }); + return function() { + project = projectAt.apply(this, arguments); + projection.invert = project.invert && invert; + return recenter(); + }; +} - function azimuthalEqualArea() { - return projection(azimuthalEqualAreaRaw) - .scale(124.75) - .clipAngle(180 - 1e-3); - } +function conicProjection(projectAt) { + var phi0 = 0, + phi1 = pi$4 / 3, + m = projectionMutator(projectAt), + p = m(phi0, phi1); - var azimuthalEquidistantRaw = azimuthalRaw(function(c) { - return (c = acos(c)) && c / sin$1(c); - }); + p.parallels = function(_) { + return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees$1, phi1 * degrees$1]; + }; - azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) { - return z; - }); + return p; +} - function azimuthalEquidistant() { - return projection(azimuthalEquidistantRaw) - .scale(79.4188) - .clipAngle(180 - 1e-3); - } +function conicEqualAreaRaw(y0, y1) { + var sy0 = sin$1(y0), + n = (sy0 + sin$1(y1)) / 2, + c = 1 + sy0 * (2 * n - sy0), + r0 = sqrt$1(c) / n; - function mercatorRaw(lambda, phi) { - return [lambda, log$1(tan((halfPi$3 + phi) / 2))]; + function project(x, y) { + var r = sqrt$1(c - 2 * n * sin$1(y)) / n; + return [r * sin$1(x *= n), r0 - r * cos$1(x)]; } - mercatorRaw.invert = function(x, y) { - return [x, 2 * atan(exp(y)) - halfPi$3]; + project.invert = function(x, y) { + var r0y = r0 - y; + return [atan2(x, r0y) / n, asin$1((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; }; - function mercator() { - return mercatorProjection(mercatorRaw) - .scale(961 / tau$4); - } - - function mercatorProjection(project) { - var m = projection(project), - scale = m.scale, - translate = m.translate, - clipExtent = m.clipExtent, - clipAuto; + return project; +} + +var conicEqualArea = function() { + return conicProjection(conicEqualAreaRaw) + .scale(155.424) + .center([0, 33.6442]); +} + +var albers = function() { + return conicEqualArea() + .parallels([29.5, 45.5]) + .scale(1070) + .translate([480, 250]) + .rotate([96, 0]) + .center([-0.6, 38.7]); +} + +// The projections must have mutually exclusive clip regions on the sphere, +// as this will avoid emitting interleaving lines and polygons. +function multiplex(streams) { + var n = streams.length; + return { + point: function(x, y) { var i = -1; while (++i < n) streams[i].point(x, y); }, + sphere: function() { var i = -1; while (++i < n) streams[i].sphere(); }, + lineStart: function() { var i = -1; while (++i < n) streams[i].lineStart(); }, + lineEnd: function() { var i = -1; while (++i < n) streams[i].lineEnd(); }, + polygonStart: function() { var i = -1; while (++i < n) streams[i].polygonStart(); }, + polygonEnd: function() { var i = -1; while (++i < n) streams[i].polygonEnd(); } + }; +} + +// A composite projection for the United States, configured by default for +// 960×500. The projection also works quite well at 960×600 if you change the +// scale to 1285 and adjust the translate accordingly. The set of standard +// parallels for each region comes from USGS, which is published here: +// http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers +var albersUsa = function() { + var cache, + cacheStream, + lower48 = albers(), lower48Point, + alaska = conicEqualArea().rotate([154, 0]).center([-2, 58.5]).parallels([55, 65]), alaskaPoint, // EPSG:3338 + hawaii = conicEqualArea().rotate([157, 0]).center([-3, 19.9]).parallels([8, 18]), hawaiiPoint, // ESRI:102007 + point, pointStream = {point: function(x, y) { point = [x, y]; }}; + + function albersUsa(coordinates) { + var x = coordinates[0], y = coordinates[1]; + return point = null, + (lower48Point.point(x, y), point) + || (alaskaPoint.point(x, y), point) + || (hawaiiPoint.point(x, y), point); + } + + albersUsa.invert = function(coordinates) { + var k = lower48.scale(), + t = lower48.translate(), + x = (coordinates[0] - t[0]) / k, + y = (coordinates[1] - t[1]) / k; + return (y >= 0.120 && y < 0.234 && x >= -0.425 && x < -0.214 ? alaska + : y >= 0.166 && y < 0.234 && x >= -0.214 && x < -0.115 ? hawaii + : lower48).invert(coordinates); + }; - m.scale = function(_) { - return arguments.length ? (scale(_), clipAuto && m.clipExtent(null), m) : scale(); - }; + albersUsa.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = multiplex([lower48.stream(cacheStream = stream), alaska.stream(stream), hawaii.stream(stream)]); + }; - m.translate = function(_) { - return arguments.length ? (translate(_), clipAuto && m.clipExtent(null), m) : translate(); - }; + albersUsa.precision = function(_) { + if (!arguments.length) return lower48.precision(); + lower48.precision(_), alaska.precision(_), hawaii.precision(_); + return albersUsa; + }; - m.clipExtent = function(_) { - if (!arguments.length) return clipAuto ? null : clipExtent(); - if (clipAuto = _ == null) { - var k = pi$4 * scale(), - t = translate(); - _ = [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]]; - } - clipExtent(_); - return m; - }; + albersUsa.scale = function(_) { + if (!arguments.length) return lower48.scale(); + lower48.scale(_), alaska.scale(_ * 0.35), hawaii.scale(_); + return albersUsa.translate(lower48.translate()); + }; - return m.clipExtent(null); - } + albersUsa.translate = function(_) { + if (!arguments.length) return lower48.translate(); + var k = lower48.scale(), x = +_[0], y = +_[1]; - function tany(y) { - return tan((halfPi$3 + y) / 2); - } + lower48Point = lower48 + .translate(_) + .clipExtent([[x - 0.455 * k, y - 0.238 * k], [x + 0.455 * k, y + 0.238 * k]]) + .stream(pointStream); - function conicConformalRaw(y0, y1) { - var cy0 = cos$1(y0), - n = y0 === y1 ? sin$1(y0) : log$1(cy0 / cos$1(y1)) / log$1(tany(y1) / tany(y0)), - f = cy0 * pow$1(tany(y0), n) / n; + alaskaPoint = alaska + .translate([x - 0.307 * k, y + 0.201 * k]) + .clipExtent([[x - 0.425 * k + epsilon$4, y + 0.120 * k + epsilon$4], [x - 0.214 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) + .stream(pointStream); - if (!n) return mercatorRaw; + hawaiiPoint = hawaii + .translate([x - 0.205 * k, y + 0.212 * k]) + .clipExtent([[x - 0.214 * k + epsilon$4, y + 0.166 * k + epsilon$4], [x - 0.115 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) + .stream(pointStream); - function project(x, y) { - if (f > 0) { if (y < -halfPi$3 + epsilon$4) y = -halfPi$3 + epsilon$4; } - else { if (y > halfPi$3 - epsilon$4) y = halfPi$3 - epsilon$4; } - var r = f / pow$1(tany(y), n); - return [r * sin$1(n * x), f - r * cos$1(n * x)]; - } + return albersUsa; + }; - project.invert = function(x, y) { - var fy = f - y, r = sign$1(n) * sqrt$1(x * x + fy * fy); - return [atan2(x, fy) / n, 2 * atan(pow$1(f / r, 1 / n)) - halfPi$3]; - }; + albersUsa.fitExtent = fitExtent(albersUsa); - return project; - } + albersUsa.fitSize = fitSize(albersUsa); - function conicConformal() { - return conicProjection(conicConformalRaw) - .scale(109.5) - .parallels([30, 30]); - } + return albersUsa.scale(1070); +} - function equirectangularRaw(lambda, phi) { - return [lambda, phi]; +function azimuthalRaw(scale) { + return function(x, y) { + var cx = cos$1(x), + cy = cos$1(y), + k = scale(cx * cy); + return [ + k * cy * sin$1(x), + k * sin$1(y) + ]; } +} - equirectangularRaw.invert = equirectangularRaw; - - function equirectangular() { - return projection(equirectangularRaw) - .scale(152.63); +function azimuthalInvert(angle) { + return function(x, y) { + var z = sqrt$1(x * x + y * y), + c = angle(z), + sc = sin$1(c), + cc = cos$1(c); + return [ + atan2(x * sc, z * cc), + asin$1(z && y * sc / z) + ]; } +} + +var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) { + return sqrt$1(2 / (1 + cxcy)); +}); + +azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) { + return 2 * asin$1(z / 2); +}); + +var azimuthalEqualArea = function() { + return projection(azimuthalEqualAreaRaw) + .scale(124.75) + .clipAngle(180 - 1e-3); +} + +var azimuthalEquidistantRaw = azimuthalRaw(function(c) { + return (c = acos(c)) && c / sin$1(c); +}); + +azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) { + return z; +}); + +var azimuthalEquidistant = function() { + return projection(azimuthalEquidistantRaw) + .scale(79.4188) + .clipAngle(180 - 1e-3); +} + +function mercatorRaw(lambda, phi) { + return [lambda, log$1(tan((halfPi$3 + phi) / 2))]; +} + +mercatorRaw.invert = function(x, y) { + return [x, 2 * atan(exp(y)) - halfPi$3]; +}; + +var mercator = function() { + return mercatorProjection(mercatorRaw) + .scale(961 / tau$4); +} + +function mercatorProjection(project) { + var m = projection(project), + scale = m.scale, + translate = m.translate, + clipExtent = m.clipExtent, + clipAuto; + + m.scale = function(_) { + return arguments.length ? (scale(_), clipAuto && m.clipExtent(null), m) : scale(); + }; - function conicEquidistantRaw(y0, y1) { - var cy0 = cos$1(y0), - n = y0 === y1 ? sin$1(y0) : (cy0 - cos$1(y1)) / (y1 - y0), - g = cy0 / n + y0; - - if (abs(n) < epsilon$4) return equirectangularRaw; + m.translate = function(_) { + return arguments.length ? (translate(_), clipAuto && m.clipExtent(null), m) : translate(); + }; - function project(x, y) { - var gy = g - y, nx = n * x; - return [gy * sin$1(nx), g - gy * cos$1(nx)]; + m.clipExtent = function(_) { + if (!arguments.length) return clipAuto ? null : clipExtent(); + if (clipAuto = _ == null) { + var k = pi$4 * scale(), + t = translate(); + _ = [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]]; } + clipExtent(_); + return m; + }; - project.invert = function(x, y) { - var gy = g - y; - return [atan2(x, gy) / n, g - sign$1(n) * sqrt$1(x * x + gy * gy)]; - }; + return m.clipExtent(null); +} - return project; - } +function tany(y) { + return tan((halfPi$3 + y) / 2); +} - function conicEquidistant() { - return conicProjection(conicEquidistantRaw) - .scale(131.154) - .center([0, 13.9389]); - } +function conicConformalRaw(y0, y1) { + var cy0 = cos$1(y0), + n = y0 === y1 ? sin$1(y0) : log$1(cy0 / cos$1(y1)) / log$1(tany(y1) / tany(y0)), + f = cy0 * pow$1(tany(y0), n) / n; + + if (!n) return mercatorRaw; - function gnomonicRaw(x, y) { - var cy = cos$1(y), k = cos$1(x) * cy; - return [cy * sin$1(x) / k, sin$1(y) / k]; + function project(x, y) { + if (f > 0) { if (y < -halfPi$3 + epsilon$4) y = -halfPi$3 + epsilon$4; } + else { if (y > halfPi$3 - epsilon$4) y = halfPi$3 - epsilon$4; } + var r = f / pow$1(tany(y), n); + return [r * sin$1(n * x), f - r * cos$1(n * x)]; } - gnomonicRaw.invert = azimuthalInvert(atan); + project.invert = function(x, y) { + var fy = f - y, r = sign$1(n) * sqrt$1(x * x + fy * fy); + return [atan2(x, fy) / n, 2 * atan(pow$1(f / r, 1 / n)) - halfPi$3]; + }; - function gnomonic() { - return projection(gnomonicRaw) - .scale(144.049) - .clipAngle(60); - } + return project; +} - function orthographicRaw(x, y) { - return [cos$1(y) * sin$1(x), sin$1(y)]; - } +var conicConformal = function() { + return conicProjection(conicConformalRaw) + .scale(109.5) + .parallels([30, 30]); +} - orthographicRaw.invert = azimuthalInvert(asin$1); +function equirectangularRaw(lambda, phi) { + return [lambda, phi]; +} - function orthographic() { - return projection(orthographicRaw) - .scale(249.5) - .clipAngle(90 + epsilon$4); - } +equirectangularRaw.invert = equirectangularRaw; - function stereographicRaw(x, y) { - var cy = cos$1(y), k = 1 + cos$1(x) * cy; - return [cy * sin$1(x) / k, sin$1(y) / k]; - } +var equirectangular = function() { + return projection(equirectangularRaw) + .scale(152.63); +} - stereographicRaw.invert = azimuthalInvert(function(z) { - return 2 * atan(z); - }); +function conicEquidistantRaw(y0, y1) { + var cy0 = cos$1(y0), + n = y0 === y1 ? sin$1(y0) : (cy0 - cos$1(y1)) / (y1 - y0), + g = cy0 / n + y0; - function stereographic() { - return projection(stereographicRaw) - .scale(250) - .clipAngle(142); - } + if (abs(n) < epsilon$4) return equirectangularRaw; - function transverseMercatorRaw(lambda, phi) { - return [log$1(tan((halfPi$3 + phi) / 2)), -lambda]; + function project(x, y) { + var gy = g - y, nx = n * x; + return [gy * sin$1(nx), g - gy * cos$1(nx)]; } - transverseMercatorRaw.invert = function(x, y) { - return [-y, 2 * atan(exp(x)) - halfPi$3]; + project.invert = function(x, y) { + var gy = g - y; + return [atan2(x, gy) / n, g - sign$1(n) * sqrt$1(x * x + gy * gy)]; }; - function transverseMercator() { - var m = mercatorProjection(transverseMercatorRaw), - center = m.center, - rotate = m.rotate; - - m.center = function(_) { - return arguments.length ? center([-_[1], _[0]]) : (_ = center(), [_[1], -_[0]]); - }; + return project; +} + +var conicEquidistant = function() { + return conicProjection(conicEquidistantRaw) + .scale(131.154) + .center([0, 13.9389]); +} + +function gnomonicRaw(x, y) { + var cy = cos$1(y), k = cos$1(x) * cy; + return [cy * sin$1(x) / k, sin$1(y) / k]; +} + +gnomonicRaw.invert = azimuthalInvert(atan); + +var gnomonic = function() { + return projection(gnomonicRaw) + .scale(144.049) + .clipAngle(60); +} + +function orthographicRaw(x, y) { + return [cos$1(y) * sin$1(x), sin$1(y)]; +} + +orthographicRaw.invert = azimuthalInvert(asin$1); + +var orthographic = function() { + return projection(orthographicRaw) + .scale(249.5) + .clipAngle(90 + epsilon$4); +} + +function stereographicRaw(x, y) { + var cy = cos$1(y), k = 1 + cos$1(x) * cy; + return [cy * sin$1(x) / k, sin$1(y) / k]; +} + +stereographicRaw.invert = azimuthalInvert(function(z) { + return 2 * atan(z); +}); + +var stereographic = function() { + return projection(stereographicRaw) + .scale(250) + .clipAngle(142); +} + +function transverseMercatorRaw(lambda, phi) { + return [log$1(tan((halfPi$3 + phi) / 2)), -lambda]; +} + +transverseMercatorRaw.invert = function(x, y) { + return [-y, 2 * atan(exp(x)) - halfPi$3]; +}; + +var transverseMercator = function() { + var m = mercatorProjection(transverseMercatorRaw), + center = m.center, + rotate = m.rotate; + + m.center = function(_) { + return arguments.length ? center([-_[1], _[0]]) : (_ = center(), [_[1], -_[0]]); + }; - m.rotate = function(_) { - return arguments.length ? rotate([_[0], _[1], _.length > 2 ? _[2] + 90 : 90]) : (_ = rotate(), [_[0], _[1], _[2] - 90]); - }; + m.rotate = function(_) { + return arguments.length ? rotate([_[0], _[1], _.length > 2 ? _[2] + 90 : 90]) : (_ = rotate(), [_[0], _[1], _[2] - 90]); + }; - return rotate([0, 0, 90]) - .scale(159.155); - } - - exports.version = version; - exports.bisect = bisectRight; - exports.bisectRight = bisectRight; - exports.bisectLeft = bisectLeft; - exports.ascending = ascending; - exports.bisector = bisector; - exports.descending = descending; - exports.deviation = deviation; - exports.extent = extent; - exports.histogram = histogram; - exports.thresholdFreedmanDiaconis = freedmanDiaconis; - exports.thresholdScott = scott; - exports.thresholdSturges = sturges; - exports.max = max; - exports.mean = mean; - exports.median = median; - exports.merge = merge; - exports.min = min; - exports.pairs = pairs; - exports.permute = permute; - exports.quantile = threshold; - exports.range = range; - exports.scan = scan; - exports.shuffle = shuffle; - exports.sum = sum; - exports.ticks = ticks; - exports.tickStep = tickStep; - exports.transpose = transpose; - exports.variance = variance; - exports.zip = zip; - exports.entries = entries; - exports.keys = keys; - exports.values = values; - exports.map = map$1; - exports.set = set; - exports.nest = nest; - exports.randomUniform = uniform; - exports.randomNormal = normal; - exports.randomLogNormal = logNormal; - exports.randomBates = bates; - exports.randomIrwinHall = irwinHall; - exports.randomExponential = exponential; - exports.easeLinear = linear; - exports.easeQuad = quadInOut; - exports.easeQuadIn = quadIn; - exports.easeQuadOut = quadOut; - exports.easeQuadInOut = quadInOut; - exports.easeCubic = easeCubicInOut; - exports.easeCubicIn = cubicIn; - exports.easeCubicOut = cubicOut; - exports.easeCubicInOut = easeCubicInOut; - exports.easePoly = polyInOut; - exports.easePolyIn = polyIn; - exports.easePolyOut = polyOut; - exports.easePolyInOut = polyInOut; - exports.easeSin = sinInOut; - exports.easeSinIn = sinIn; - exports.easeSinOut = sinOut; - exports.easeSinInOut = sinInOut; - exports.easeExp = expInOut; - exports.easeExpIn = expIn; - exports.easeExpOut = expOut; - exports.easeExpInOut = expInOut; - exports.easeCircle = circleInOut; - exports.easeCircleIn = circleIn; - exports.easeCircleOut = circleOut; - exports.easeCircleInOut = circleInOut; - exports.easeBounce = bounceOut; - exports.easeBounceIn = bounceIn; - exports.easeBounceOut = bounceOut; - exports.easeBounceInOut = bounceInOut; - exports.easeBack = backInOut; - exports.easeBackIn = backIn; - exports.easeBackOut = backOut; - exports.easeBackInOut = backInOut; - exports.easeElastic = elasticOut; - exports.easeElasticIn = elasticIn; - exports.easeElasticOut = elasticOut; - exports.easeElasticInOut = elasticInOut; - exports.polygonArea = area; - exports.polygonCentroid = centroid; - exports.polygonHull = hull; - exports.polygonContains = contains; - exports.polygonLength = length$1; - exports.path = path; - exports.quadtree = quadtree; - exports.queue = queue; - exports.arc = arc; - exports.area = area$1; - exports.line = line; - exports.pie = pie; - exports.radialArea = radialArea; - exports.radialLine = radialLine$1; - exports.symbol = symbol; - exports.symbols = symbols; - exports.symbolCircle = circle; - exports.symbolCross = cross$1; - exports.symbolDiamond = diamond; - exports.symbolSquare = square; - exports.symbolStar = star; - exports.symbolTriangle = triangle; - exports.symbolWye = wye; - exports.curveBasisClosed = basisClosed; - exports.curveBasisOpen = basisOpen; - exports.curveBasis = basis; - exports.curveBundle = bundle; - exports.curveCardinalClosed = cardinalClosed; - exports.curveCardinalOpen = cardinalOpen; - exports.curveCardinal = cardinal; - exports.curveCatmullRomClosed = catmullRomClosed; - exports.curveCatmullRomOpen = catmullRomOpen; - exports.curveCatmullRom = catmullRom; - exports.curveLinearClosed = linearClosed; - exports.curveLinear = curveLinear; - exports.curveMonotoneX = monotoneX; - exports.curveMonotoneY = monotoneY; - exports.curveNatural = natural; - exports.curveStep = step; - exports.curveStepAfter = stepAfter; - exports.curveStepBefore = stepBefore; - exports.stack = stack; - exports.stackOffsetExpand = expand; - exports.stackOffsetNone = none; - exports.stackOffsetSilhouette = silhouette; - exports.stackOffsetWiggle = wiggle; - exports.stackOrderAscending = ascending$1; - exports.stackOrderDescending = descending$2; - exports.stackOrderInsideOut = insideOut; - exports.stackOrderNone = none$1; - exports.stackOrderReverse = reverse; - exports.color = color; - exports.rgb = colorRgb; - exports.hsl = colorHsl; - exports.lab = lab; - exports.hcl = colorHcl; - exports.cubehelix = cubehelix; - exports.interpolate = interpolate; - exports.interpolateArray = array$1; - exports.interpolateDate = date; - exports.interpolateNumber = interpolateNumber; - exports.interpolateObject = object; - exports.interpolateRound = interpolateRound; - exports.interpolateString = interpolateString; - exports.interpolateTransformCss = interpolateTransform$1; - exports.interpolateTransformSvg = interpolateTransform$2; - exports.interpolateZoom = interpolateZoom; - exports.interpolateRgb = interpolateRgb; - exports.interpolateRgbBasis = rgbBasis; - exports.interpolateRgbBasisClosed = rgbBasisClosed; - exports.interpolateHsl = hsl$1; - exports.interpolateHslLong = hslLong; - exports.interpolateLab = lab$1; - exports.interpolateHcl = hcl$1; - exports.interpolateHclLong = hclLong; - exports.interpolateCubehelix = cubehelix$2; - exports.interpolateCubehelixLong = interpolateCubehelixLong; - exports.interpolateBasis = basis$2; - exports.interpolateBasisClosed = basisClosed$1; - exports.quantize = quantize; - exports.dispatch = dispatch; - exports.dsvFormat = dsv; - exports.csvParse = csvParse; - exports.csvParseRows = csvParseRows; - exports.csvFormat = csvFormat; - exports.csvFormatRows = csvFormatRows; - exports.tsvParse = tsvParse; - exports.tsvParseRows = tsvParseRows; - exports.tsvFormat = tsvFormat; - exports.tsvFormatRows = tsvFormatRows; - exports.request = request; - exports.html = html; - exports.json = json; - exports.text = text; - exports.xml = xml; - exports.csv = csv$1; - exports.tsv = tsv$1; - exports.now = now; - exports.timer = timer; - exports.timerFlush = timerFlush; - exports.timeout = timeout$1; - exports.interval = interval$1; - exports.timeInterval = newInterval; - exports.timeMillisecond = millisecond; - exports.timeMilliseconds = milliseconds; - exports.timeSecond = second; - exports.timeSeconds = seconds; - exports.timeMinute = minute; - exports.timeMinutes = minutes; - exports.timeHour = hour; - exports.timeHours = hours; - exports.timeDay = day; - exports.timeDays = days; - exports.timeWeek = timeWeek; - exports.timeWeeks = sundays; - exports.timeSunday = timeWeek; - exports.timeSundays = sundays; - exports.timeMonday = timeMonday; - exports.timeMondays = mondays; - exports.timeTuesday = tuesday; - exports.timeTuesdays = tuesdays; - exports.timeWednesday = wednesday; - exports.timeWednesdays = wednesdays; - exports.timeThursday = thursday; - exports.timeThursdays = thursdays; - exports.timeFriday = friday; - exports.timeFridays = fridays; - exports.timeSaturday = saturday; - exports.timeSaturdays = saturdays; - exports.timeMonth = month; - exports.timeMonths = months; - exports.timeYear = year; - exports.timeYears = years; - exports.utcMillisecond = millisecond; - exports.utcMilliseconds = milliseconds; - exports.utcSecond = second; - exports.utcSeconds = seconds; - exports.utcMinute = utcMinute; - exports.utcMinutes = utcMinutes; - exports.utcHour = utcHour; - exports.utcHours = utcHours; - exports.utcDay = utcDay; - exports.utcDays = utcDays; - exports.utcWeek = utcWeek; - exports.utcWeeks = utcSundays; - exports.utcSunday = utcWeek; - exports.utcSundays = utcSundays; - exports.utcMonday = utcMonday; - exports.utcMondays = utcMondays; - exports.utcTuesday = utcTuesday; - exports.utcTuesdays = utcTuesdays; - exports.utcWednesday = utcWednesday; - exports.utcWednesdays = utcWednesdays; - exports.utcThursday = utcThursday; - exports.utcThursdays = utcThursdays; - exports.utcFriday = utcFriday; - exports.utcFridays = utcFridays; - exports.utcSaturday = utcSaturday; - exports.utcSaturdays = utcSaturdays; - exports.utcMonth = utcMonth; - exports.utcMonths = utcMonths; - exports.utcYear = utcYear; - exports.utcYears = utcYears; - exports.formatLocale = formatLocale; - exports.formatDefaultLocale = defaultLocale; - exports.formatSpecifier = formatSpecifier; - exports.precisionFixed = precisionFixed; - exports.precisionPrefix = precisionPrefix; - exports.precisionRound = precisionRound; - exports.isoFormat = formatIso; - exports.isoParse = parseIso; - exports.timeFormatLocale = formatLocale$1; - exports.timeFormatDefaultLocale = defaultLocale$1; - exports.scaleBand = band; - exports.scalePoint = point$4; - exports.scaleIdentity = identity$4; - exports.scaleLinear = linear$2; - exports.scaleLog = log; - exports.scaleOrdinal = ordinal; - exports.scaleImplicit = implicit; - exports.scalePow = pow; - exports.scaleSqrt = sqrt; - exports.scaleQuantile = quantile; - exports.scaleQuantize = quantize$1; - exports.scaleThreshold = threshold$1; - exports.scaleTime = time; - exports.scaleUtc = utcTime; - exports.schemeCategory10 = category10; - exports.schemeCategory20b = category20b; - exports.schemeCategory20c = category20c; - exports.schemeCategory20 = category20; - exports.scaleSequential = sequential; - exports.interpolateCubehelixDefault = cubehelix$3; - exports.interpolateRainbow = rainbow$1; - exports.interpolateWarm = warm; - exports.interpolateCool = cool; - exports.interpolateViridis = viridis; - exports.interpolateMagma = magma; - exports.interpolateInferno = inferno; - exports.interpolatePlasma = plasma; - exports.creator = creator; - exports.customEvent = customEvent; - exports.local = local; - exports.matcher = matcher$1; - exports.mouse = mouse; - exports.namespace = namespace; - exports.namespaces = namespaces; - exports.select = select; - exports.selectAll = selectAll; - exports.selection = selection; - exports.selector = selector; - exports.selectorAll = selectorAll; - exports.touch = touch; - exports.touches = touches; - exports.window = window; - exports.active = active; - exports.interrupt = interrupt; - exports.transition = transition; - exports.axisTop = axisTop; - exports.axisRight = axisRight; - exports.axisBottom = axisBottom; - exports.axisLeft = axisLeft; - exports.cluster = cluster; - exports.hierarchy = hierarchy; - exports.pack = index; - exports.packSiblings = siblings; - exports.packEnclose = enclose; - exports.partition = partition; - exports.stratify = stratify; - exports.tree = tree; - exports.treemap = index$1; - exports.treemapBinary = binary; - exports.treemapDice = treemapDice; - exports.treemapSlice = treemapSlice; - exports.treemapSliceDice = sliceDice; - exports.treemapSquarify = squarify; - exports.treemapResquarify = resquarify; - exports.forceCenter = center$1; - exports.forceCollide = collide; - exports.forceLink = link; - exports.forceManyBody = manyBody; - exports.forceSimulation = simulation; - exports.forceX = x$3; - exports.forceY = y$3; - exports.drag = drag; - exports.dragDisable = dragDisable; - exports.dragEnable = dragEnable; - exports.voronoi = voronoi; - exports.zoom = zoom; - exports.zoomIdentity = identity$6; - exports.zoomTransform = transform; - exports.brush = brush; - exports.brushX = brushX; - exports.brushY = brushY; - exports.brushSelection = brushSelection; - exports.chord = chord; - exports.ribbon = ribbon; - exports.geoAlbers = albers; - exports.geoAlbersUsa = albersUsa; - exports.geoArea = area$2; - exports.geoAzimuthalEqualArea = azimuthalEqualArea; - exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw; - exports.geoAzimuthalEquidistant = azimuthalEquidistant; - exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; - exports.geoBounds = bounds; - exports.geoCentroid = centroid$1; - exports.geoCircle = circle$1; - exports.geoClipExtent = extent$1; - exports.geoConicConformal = conicConformal; - exports.geoConicConformalRaw = conicConformalRaw; - exports.geoConicEqualArea = conicEqualArea; - exports.geoConicEqualAreaRaw = conicEqualAreaRaw; - exports.geoConicEquidistant = conicEquidistant; - exports.geoConicEquidistantRaw = conicEquidistantRaw; - exports.geoDistance = distance; - exports.geoEquirectangular = equirectangular; - exports.geoEquirectangularRaw = equirectangularRaw; - exports.geoGnomonic = gnomonic; - exports.geoGnomonicRaw = gnomonicRaw; - exports.geoGraticule = graticule; - exports.geoInterpolate = interpolate$2; - exports.geoLength = length$2; - exports.geoMercator = mercator; - exports.geoMercatorRaw = mercatorRaw; - exports.geoOrthographic = orthographic; - exports.geoOrthographicRaw = orthographicRaw; - exports.geoPath = index$3; - exports.geoProjection = projection; - exports.geoProjectionMutator = projectionMutator; - exports.geoRotation = rotation; - exports.geoStereographic = stereographic; - exports.geoStereographicRaw = stereographicRaw; - exports.geoStream = geoStream; - exports.geoTransform = transform$1; - exports.geoTransverseMercator = transverseMercator; - exports.geoTransverseMercatorRaw = transverseMercatorRaw; - - Object.defineProperty(exports, '__esModule', { value: true }); - -}))); \ No newline at end of file + return rotate([0, 0, 90]) + .scale(159.155); +} + +exports.version = version; +exports.bisect = bisectRight; +exports.bisectRight = bisectRight; +exports.bisectLeft = bisectLeft; +exports.ascending = ascending; +exports.bisector = bisector; +exports.descending = descending; +exports.deviation = deviation; +exports.extent = extent; +exports.histogram = histogram; +exports.thresholdFreedmanDiaconis = freedmanDiaconis; +exports.thresholdScott = scott; +exports.thresholdSturges = sturges; +exports.max = max; +exports.mean = mean; +exports.median = median; +exports.merge = merge; +exports.min = min; +exports.pairs = pairs; +exports.permute = permute; +exports.quantile = threshold; +exports.range = range; +exports.scan = scan; +exports.shuffle = shuffle; +exports.sum = sum; +exports.ticks = ticks; +exports.tickStep = tickStep; +exports.transpose = transpose; +exports.variance = variance; +exports.zip = zip; +exports.entries = entries; +exports.keys = keys; +exports.values = values; +exports.map = map$1; +exports.set = set; +exports.nest = nest; +exports.randomUniform = uniform; +exports.randomNormal = normal; +exports.randomLogNormal = logNormal; +exports.randomBates = bates; +exports.randomIrwinHall = irwinHall; +exports.randomExponential = exponential; +exports.easeLinear = linear; +exports.easeQuad = quadInOut; +exports.easeQuadIn = quadIn; +exports.easeQuadOut = quadOut; +exports.easeQuadInOut = quadInOut; +exports.easeCubic = cubicInOut; +exports.easeCubicIn = cubicIn; +exports.easeCubicOut = cubicOut; +exports.easeCubicInOut = cubicInOut; +exports.easePoly = polyInOut; +exports.easePolyIn = polyIn; +exports.easePolyOut = polyOut; +exports.easePolyInOut = polyInOut; +exports.easeSin = sinInOut; +exports.easeSinIn = sinIn; +exports.easeSinOut = sinOut; +exports.easeSinInOut = sinInOut; +exports.easeExp = expInOut; +exports.easeExpIn = expIn; +exports.easeExpOut = expOut; +exports.easeExpInOut = expInOut; +exports.easeCircle = circleInOut; +exports.easeCircleIn = circleIn; +exports.easeCircleOut = circleOut; +exports.easeCircleInOut = circleInOut; +exports.easeBounce = bounceOut; +exports.easeBounceIn = bounceIn; +exports.easeBounceOut = bounceOut; +exports.easeBounceInOut = bounceInOut; +exports.easeBack = backInOut; +exports.easeBackIn = backIn; +exports.easeBackOut = backOut; +exports.easeBackInOut = backInOut; +exports.easeElastic = elasticOut; +exports.easeElasticIn = elasticIn; +exports.easeElasticOut = elasticOut; +exports.easeElasticInOut = elasticInOut; +exports.polygonArea = area; +exports.polygonCentroid = centroid; +exports.polygonHull = hull; +exports.polygonContains = contains; +exports.polygonLength = length$1; +exports.path = path; +exports.quadtree = quadtree; +exports.queue = queue; +exports.arc = arc; +exports.area = area$1; +exports.line = line; +exports.pie = pie; +exports.radialArea = radialArea; +exports.radialLine = radialLine$1; +exports.symbol = symbol; +exports.symbols = symbols; +exports.symbolCircle = circle; +exports.symbolCross = cross$1; +exports.symbolDiamond = diamond; +exports.symbolSquare = square; +exports.symbolStar = star; +exports.symbolTriangle = triangle; +exports.symbolWye = wye; +exports.curveBasisClosed = basisClosed; +exports.curveBasisOpen = basisOpen; +exports.curveBasis = basis; +exports.curveBundle = bundle; +exports.curveCardinalClosed = cardinalClosed; +exports.curveCardinalOpen = cardinalOpen; +exports.curveCardinal = cardinal; +exports.curveCatmullRomClosed = catmullRomClosed; +exports.curveCatmullRomOpen = catmullRomOpen; +exports.curveCatmullRom = catmullRom; +exports.curveLinearClosed = linearClosed; +exports.curveLinear = curveLinear; +exports.curveMonotoneX = monotoneX; +exports.curveMonotoneY = monotoneY; +exports.curveNatural = natural; +exports.curveStep = step; +exports.curveStepAfter = stepAfter; +exports.curveStepBefore = stepBefore; +exports.stack = stack; +exports.stackOffsetExpand = expand; +exports.stackOffsetNone = none; +exports.stackOffsetSilhouette = silhouette; +exports.stackOffsetWiggle = wiggle; +exports.stackOrderAscending = ascending$1; +exports.stackOrderDescending = descending$2; +exports.stackOrderInsideOut = insideOut; +exports.stackOrderNone = none$1; +exports.stackOrderReverse = reverse; +exports.color = color; +exports.rgb = rgb; +exports.hsl = hsl; +exports.lab = lab; +exports.hcl = hcl; +exports.cubehelix = cubehelix; +exports.interpolate = interpolate; +exports.interpolateArray = array$1; +exports.interpolateDate = date; +exports.interpolateNumber = interpolateNumber; +exports.interpolateObject = object; +exports.interpolateRound = interpolateRound; +exports.interpolateString = interpolateString; +exports.interpolateTransformCss = interpolateTransformCss; +exports.interpolateTransformSvg = interpolateTransformSvg; +exports.interpolateZoom = interpolateZoom; +exports.interpolateRgb = interpolateRgb; +exports.interpolateRgbBasis = rgbBasis; +exports.interpolateRgbBasisClosed = rgbBasisClosed; +exports.interpolateHsl = hsl$2; +exports.interpolateHslLong = hslLong; +exports.interpolateLab = lab$1; +exports.interpolateHcl = hcl$2; +exports.interpolateHclLong = hclLong; +exports.interpolateCubehelix = cubehelix$2; +exports.interpolateCubehelixLong = cubehelixLong; +exports.interpolateBasis = basis$2; +exports.interpolateBasisClosed = basisClosed$1; +exports.quantize = quantize; +exports.dispatch = dispatch; +exports.dsvFormat = dsv; +exports.csvParse = csvParse; +exports.csvParseRows = csvParseRows; +exports.csvFormat = csvFormat; +exports.csvFormatRows = csvFormatRows; +exports.tsvParse = tsvParse; +exports.tsvParseRows = tsvParseRows; +exports.tsvFormat = tsvFormat; +exports.tsvFormatRows = tsvFormatRows; +exports.request = request; +exports.html = html; +exports.json = json; +exports.text = text; +exports.xml = xml; +exports.csv = csv$1; +exports.tsv = tsv$1; +exports.now = now; +exports.timer = timer; +exports.timerFlush = timerFlush; +exports.timeout = timeout$1; +exports.interval = interval$1; +exports.timeInterval = newInterval; +exports.timeMillisecond = millisecond; +exports.timeMilliseconds = milliseconds; +exports.timeSecond = second; +exports.timeSeconds = seconds; +exports.timeMinute = minute; +exports.timeMinutes = minutes; +exports.timeHour = hour; +exports.timeHours = hours; +exports.timeDay = day; +exports.timeDays = days; +exports.timeWeek = sunday; +exports.timeWeeks = sundays; +exports.timeSunday = sunday; +exports.timeSundays = sundays; +exports.timeMonday = monday; +exports.timeMondays = mondays; +exports.timeTuesday = tuesday; +exports.timeTuesdays = tuesdays; +exports.timeWednesday = wednesday; +exports.timeWednesdays = wednesdays; +exports.timeThursday = thursday; +exports.timeThursdays = thursdays; +exports.timeFriday = friday; +exports.timeFridays = fridays; +exports.timeSaturday = saturday; +exports.timeSaturdays = saturdays; +exports.timeMonth = month; +exports.timeMonths = months; +exports.timeYear = year; +exports.timeYears = years; +exports.utcMillisecond = millisecond; +exports.utcMilliseconds = milliseconds; +exports.utcSecond = second; +exports.utcSeconds = seconds; +exports.utcMinute = utcMinute; +exports.utcMinutes = utcMinutes; +exports.utcHour = utcHour; +exports.utcHours = utcHours; +exports.utcDay = utcDay; +exports.utcDays = utcDays; +exports.utcWeek = utcSunday; +exports.utcWeeks = utcSundays; +exports.utcSunday = utcSunday; +exports.utcSundays = utcSundays; +exports.utcMonday = utcMonday; +exports.utcMondays = utcMondays; +exports.utcTuesday = utcTuesday; +exports.utcTuesdays = utcTuesdays; +exports.utcWednesday = utcWednesday; +exports.utcWednesdays = utcWednesdays; +exports.utcThursday = utcThursday; +exports.utcThursdays = utcThursdays; +exports.utcFriday = utcFriday; +exports.utcFridays = utcFridays; +exports.utcSaturday = utcSaturday; +exports.utcSaturdays = utcSaturdays; +exports.utcMonth = utcMonth; +exports.utcMonths = utcMonths; +exports.utcYear = utcYear; +exports.utcYears = utcYears; +exports.formatLocale = formatLocale; +exports.formatDefaultLocale = defaultLocale; +exports.formatSpecifier = formatSpecifier; +exports.precisionFixed = precisionFixed; +exports.precisionPrefix = precisionPrefix; +exports.precisionRound = precisionRound; +exports.isoFormat = formatIso; +exports.isoParse = parseIso; +exports.timeFormatLocale = formatLocale$1; +exports.timeFormatDefaultLocale = defaultLocale$1; +exports.scaleBand = band; +exports.scalePoint = point$4; +exports.scaleIdentity = identity$4; +exports.scaleLinear = linear$2; +exports.scaleLog = log; +exports.scaleOrdinal = ordinal; +exports.scaleImplicit = implicit; +exports.scalePow = pow; +exports.scaleSqrt = sqrt; +exports.scaleQuantile = quantile$$1; +exports.scaleQuantize = quantize$1; +exports.scaleThreshold = threshold$1; +exports.scaleTime = time; +exports.scaleUtc = utcTime; +exports.schemeCategory10 = category10; +exports.schemeCategory20b = category20b; +exports.schemeCategory20c = category20c; +exports.schemeCategory20 = category20; +exports.scaleSequential = sequential; +exports.interpolateCubehelixDefault = cubehelix$3; +exports.interpolateRainbow = rainbow$1; +exports.interpolateWarm = warm; +exports.interpolateCool = cool; +exports.interpolateViridis = viridis; +exports.interpolateMagma = magma; +exports.interpolateInferno = inferno; +exports.interpolatePlasma = plasma; +exports.creator = creator; +exports.customEvent = customEvent; +exports.local = local; +exports.matcher = matcher$1; +exports.mouse = mouse; +exports.namespace = namespace; +exports.namespaces = namespaces; +exports.select = select; +exports.selectAll = selectAll; +exports.selection = selection; +exports.selector = selector; +exports.selectorAll = selectorAll; +exports.touch = touch; +exports.touches = touches; +exports.window = window; +exports.active = active; +exports.interrupt = interrupt; +exports.transition = transition; +exports.axisTop = axisTop; +exports.axisRight = axisRight; +exports.axisBottom = axisBottom; +exports.axisLeft = axisLeft; +exports.cluster = cluster; +exports.hierarchy = hierarchy; +exports.pack = index; +exports.packSiblings = siblings; +exports.packEnclose = enclose; +exports.partition = partition; +exports.stratify = stratify; +exports.tree = tree; +exports.treemap = index$1; +exports.treemapBinary = binary; +exports.treemapDice = treemapDice; +exports.treemapSlice = treemapSlice; +exports.treemapSliceDice = sliceDice; +exports.treemapSquarify = squarify; +exports.treemapResquarify = resquarify; +exports.forceCenter = center$1; +exports.forceCollide = collide; +exports.forceLink = link; +exports.forceManyBody = manyBody; +exports.forceSimulation = simulation; +exports.forceX = x$3; +exports.forceY = y$3; +exports.drag = drag; +exports.dragDisable = dragDisable; +exports.dragEnable = yesdrag; +exports.voronoi = voronoi; +exports.zoom = zoom; +exports.zoomIdentity = identity$6; +exports.zoomTransform = transform; +exports.brush = brush; +exports.brushX = brushX; +exports.brushY = brushY; +exports.brushSelection = brushSelection; +exports.chord = chord; +exports.ribbon = ribbon; +exports.geoAlbers = albers; +exports.geoAlbersUsa = albersUsa; +exports.geoArea = area$2; +exports.geoAzimuthalEqualArea = azimuthalEqualArea; +exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw; +exports.geoAzimuthalEquidistant = azimuthalEquidistant; +exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; +exports.geoBounds = bounds; +exports.geoCentroid = centroid$1; +exports.geoCircle = circle$1; +exports.geoClipExtent = extent$1; +exports.geoConicConformal = conicConformal; +exports.geoConicConformalRaw = conicConformalRaw; +exports.geoConicEqualArea = conicEqualArea; +exports.geoConicEqualAreaRaw = conicEqualAreaRaw; +exports.geoConicEquidistant = conicEquidistant; +exports.geoConicEquidistantRaw = conicEquidistantRaw; +exports.geoDistance = distance; +exports.geoEquirectangular = equirectangular; +exports.geoEquirectangularRaw = equirectangularRaw; +exports.geoGnomonic = gnomonic; +exports.geoGnomonicRaw = gnomonicRaw; +exports.geoGraticule = graticule; +exports.geoInterpolate = interpolate$2; +exports.geoLength = length$2; +exports.geoMercator = mercator; +exports.geoMercatorRaw = mercatorRaw; +exports.geoOrthographic = orthographic; +exports.geoOrthographicRaw = orthographicRaw; +exports.geoPath = index$3; +exports.geoProjection = projection; +exports.geoProjectionMutator = projectionMutator; +exports.geoRotation = rotation; +exports.geoStereographic = stereographic; +exports.geoStereographicRaw = stereographicRaw; +exports.geoStream = geoStream; +exports.geoTransform = transform$1; +exports.geoTransverseMercator = transverseMercator; +exports.geoTransverseMercatorRaw = transverseMercatorRaw; + +Object.defineProperty(exports, '__esModule', { value: true }); + +}))); diff --git a/app/assets/javascripts/d3.v4.min.js b/app/assets/javascripts/d3.v4.min.js index 1a81e55..25c434e 100644 --- a/app/assets/javascripts/d3.v4.min.js +++ b/app/assets/javascripts/d3.v4.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.2.2. 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_v=jt.prototype=Ht.prototype;_v.copy=function(){var t,n,e=new Ht(this._x,this._y,this._x0,this._y0,this._x1,this._y1),r=this._root;if(!r)return e;if(!r.length)return e._root=Xt(r),e;for(t=[{source:r,target:e._root=new Array(4)}];r=t.pop();)for(var i=0;i<4;++i)(n=r.source[i])&&(n.length?t.push({source:n,target:r.target[i]=new Array(4)}):r.target[i]=Xt(n));return e},_v.add=kt,_v.addAll=Nt,_v.cover=At,_v.data=Et,_v.extent=Ct,_v.find=Pt,_v.remove=qt,_v.removeAll=Lt,_v.root=Rt,_v.size=Ut,_v.visit=Dt,_v.visitAfter=Ot,_v.x=It,_v.y=Bt;var yv=[].slice,gv={};Vt.prototype=Qt.prototype={constructor:Vt,defer:function(t){if("function"!=typeof t||this._call)throw new Error;if(null!=this._error)return this;var n=yv.call(arguments,1);return n.push(t),++this._waiting,this._tasks.push(n),Wt(this),this},abort:function(){return null==this._error&&Gt(this,new Error("abort")), -this},await:function(t){if("function"!=typeof t||this._call)throw new Error;return this._call=function(n,e){t.apply(null,[n].concat(e))},Jt(this),this},awaitAll:function(t){if("function"!=typeof t||this._call)throw new Error;return this._call=t,Jt(this),this}};var mv=1e-12,xv=Math.PI,bv=xv/2,wv=2*xv;fn.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._point=0},lineEnd:function(){(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:this._context.lineTo(t,n)}}};var Mv=xn(ln);mn.prototype={areaStart:function(){this._curve.areaStart()},areaEnd:function(){this._curve.areaEnd()},lineStart:function(){this._curve.lineStart()},lineEnd:function(){this._curve.lineEnd()},point:function(t,n){this._curve.point(n*Math.sin(t),n*-Math.cos(t))}};var Tv={draw:function(t,n){var e=Math.sqrt(n/xv);t.moveTo(e,0),t.arc(0,0,e,0,wv)}},kv={draw:function(t,n){var e=Math.sqrt(n/5)/2;t.moveTo(-3*e,-e),t.lineTo(-e,-e),t.lineTo(-e,-3*e),t.lineTo(e,-3*e),t.lineTo(e,-e),t.lineTo(3*e,-e),t.lineTo(3*e,e),t.lineTo(e,e),t.lineTo(e,3*e),t.lineTo(-e,3*e),t.lineTo(-e,e),t.lineTo(-3*e,e),t.closePath()}},Sv=Math.sqrt(1/3),Nv=2*Sv,Av={draw:function(t,n){var e=Math.sqrt(n/Nv),r=e*Sv;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},Ev=.8908130915292852,Cv=Math.sin(xv/10)/Math.sin(7*xv/10),zv=Math.sin(wv/10)*Cv,Pv=-Math.cos(wv/10)*Cv,qv={draw:function(t,n){var e=Math.sqrt(n*Ev),r=zv*e,i=Pv*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var u=wv*o/5,a=Math.cos(u),c=Math.sin(u);t.lineTo(c*e,-a*e),t.lineTo(a*r-c*i,c*r+a*i)}t.closePath()}},Lv={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},Rv=Math.sqrt(3),Uv={draw:function(t,n){var e=-Math.sqrt(n/(3*Rv));t.moveTo(0,2*e),t.lineTo(-Rv*e,-e),t.lineTo(Rv*e,-e),t.closePath()}},Dv=-.5,Ov=Math.sqrt(3)/2,Fv=1/Math.sqrt(12),Iv=3*(Fv/2+1),Yv={draw:function(t,n){var e=Math.sqrt(n/Iv),r=e/2,i=e*Fv,o=r,u=e*Fv+e,a=-o,c=u;t.moveTo(r,i),t.lineTo(o,u),t.lineTo(a,c),t.lineTo(Dv*r-Ov*i,Ov*r+Dv*i),t.lineTo(Dv*o-Ov*u,Ov*o+Dv*u),t.lineTo(Dv*a-Ov*c,Ov*a+Dv*c),t.lineTo(Dv*r+Ov*i,Dv*i-Ov*r),t.lineTo(Dv*o+Ov*u,Dv*u-Ov*o),t.lineTo(Dv*a+Ov*c,Dv*c-Ov*a),t.closePath()}},Bv=[Tv,kv,Av,Lv,qv,Uv,Yv];Nn.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Sn(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Sn(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},En.prototype={areaStart:kn,areaEnd:kn,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Sn(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},zn.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Sn(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},qn.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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2:this._point=3,this._x5=t,this._y5=n;break;default:Ln(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Xv=function t(n){function e(t){return new Un(t,n)}return e.tension=function(n){return t(+n)},e}(0);Dn.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:Ln(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Vv=function t(n){function e(t){return new Dn(t,n)}return 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n?new Yn(t,n):new Dn(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);Bn.prototype={areaStart:kn,areaEnd:kn,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}},$n.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:Wn(this,this._t0,Vn(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 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\ No newline at end of file From 6f60cc0b56ee3b6d9b5ed49a67501caabd28645f Mon Sep 17 00:00:00 2001 From: andyyou Date: Wed, 21 Sep 2016 14:15:43 +0800 Subject: [PATCH 09/42] Update d3 version to v4.2.5 --- app/assets/javascripts/d3.js | 13 +++++++++---- app/assets/javascripts/d3.min.js | 6 +++--- app/assets/javascripts/d3.v4.js | 13 +++++++++---- app/assets/javascripts/d3.v4.min.js | 6 +++--- 4 files changed, 24 insertions(+), 14 deletions(-) diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index 52839d9..a1605df 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,11 +1,11 @@ -// https://d3js.org Version 4.2.4. Copyright 2016 Mike Bostock. +// https://d3js.org Version 4.2.5. Copyright 2016 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "4.2.4"; +var version = "4.2.5"; var ascending = function(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -15631,7 +15631,7 @@ var albersUsa = function() { albersUsa.precision = function(_) { if (!arguments.length) return lower48.precision(); lower48.precision(_), alaska.precision(_), hawaii.precision(_); - return albersUsa; + return reset(); }; albersUsa.scale = function(_) { @@ -15659,13 +15659,18 @@ var albersUsa = function() { .clipExtent([[x - 0.214 * k + epsilon$4, y + 0.166 * k + epsilon$4], [x - 0.115 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) .stream(pointStream); - return albersUsa; + return reset(); }; albersUsa.fitExtent = fitExtent(albersUsa); albersUsa.fitSize = fitSize(albersUsa); + function reset() { + cache = cacheStream = null; + return albersUsa; + } + return albersUsa.scale(1070); } diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index 25c434e..2a49f28 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.2.4. 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Copyright 2016 Mike Bostock. +// https://d3js.org Version 4.2.5. Copyright 2016 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "4.2.4"; +var version = "4.2.5"; var ascending = function(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -15631,7 +15631,7 @@ var albersUsa = function() { albersUsa.precision = function(_) { if (!arguments.length) return lower48.precision(); lower48.precision(_), alaska.precision(_), hawaii.precision(_); - return albersUsa; + return reset(); }; albersUsa.scale = function(_) { @@ -15659,13 +15659,18 @@ var albersUsa = function() { .clipExtent([[x - 0.214 * k + epsilon$4, y + 0.166 * k + epsilon$4], [x - 0.115 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) .stream(pointStream); - return albersUsa; + return reset(); }; albersUsa.fitExtent = fitExtent(albersUsa); albersUsa.fitSize = fitSize(albersUsa); + function reset() { + cache = cacheStream = null; + return albersUsa; + } + return albersUsa.scale(1070); } diff --git a/app/assets/javascripts/d3.v4.min.js b/app/assets/javascripts/d3.v4.min.js index 25c434e..2a49f28 100644 --- a/app/assets/javascripts/d3.v4.min.js +++ b/app/assets/javascripts/d3.v4.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.2.4. 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\ No newline at end of file From 4243536b39e7718f33f323302d10a9e9cc18cef5 Mon Sep 17 00:00:00 2001 From: andyyou Date: Fri, 23 Sep 2016 15:37:53 +0800 Subject: [PATCH 10/42] Add CHANGELOG and version of documents --- CHANGELOG.md | 3 +++ README.md | 2 +- lib/d3/rails/version.rb | 2 +- 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 7a3d933..c2c14b2 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## 4.2.5 (23 September 2016) +* Upgrade D3 to 4.2.5 + ## 4.2.4 (20 September 2016) * Upgrade D3 to 4.2.4 diff --git a/README.md b/README.md index 94d4fde..a19c84a 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 4.2.4 of D3.js. The d3-rails version will +d3-rails comes with version 4.2.5 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/lib/d3/rails/version.rb b/lib/d3/rails/version.rb index dc20acd..bb1c133 100644 --- a/lib/d3/rails/version.rb +++ b/lib/d3/rails/version.rb @@ -1,5 +1,5 @@ module D3 module Rails - VERSION = "4.2.4" + VERSION = "4.2.5" end end From 574a3ad2b11d721767567eff1ea174f0ba7328ec Mon Sep 17 00:00:00 2001 From: Stuart Swindells Date: Fri, 23 Sep 2016 12:38:43 +0000 Subject: [PATCH 11/42] d3js v4.2.6 --- app/assets/javascripts/d3.js | 8 ++++---- app/assets/javascripts/d3.min.js | 8 ++++---- app/assets/javascripts/d3.v4.js | 8 ++++---- app/assets/javascripts/d3.v4.min.js | 8 ++++---- 4 files changed, 16 insertions(+), 16 deletions(-) diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index a1605df..2399909 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,11 +1,11 @@ -// https://d3js.org Version 4.2.5. Copyright 2016 Mike Bostock. +// https://d3js.org Version 4.2.6. Copyright 2016 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "4.2.5"; +var version = "4.2.6"; var ascending = function(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -5097,9 +5097,9 @@ function newInterval(floori, offseti, count, field) { interval.filter = function(test) { return newInterval(function(date) { - while (floori(date), !test(date)) date.setTime(date - 1); + if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1); }, function(date, step) { - while (--step >= 0) while (offseti(date, 1), !test(date)) {} // eslint-disable-line no-empty + if (date >= date) while (--step >= 0) while (offseti(date, 1), !test(date)) {} // eslint-disable-line no-empty }); }; diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index 2a49f28..710db59 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,7 +1,7 @@ -// https://d3js.org Version 4.2.5. 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n,e,r,i,o,u,a;if(Gm=Zm=-(Wm=$m=1/0),nx=[],Bx(t,$x),e=nx.length){for(nx.sort(Qa),n=1,r=nx[0],o=[r];nJa(r[0],r[1])&&(r[1]=i[1]),Ja(i[0],r[1])>Ja(r[0],r[1])&&(r[0]=i[0])):o.push(r=i);for(u=-(1/0),e=o.length-1,n=0,r=o[e];n<=e;r=i,++n)i=o[n],(a=Ja(r[1],i[0]))>u&&(u=a,Wm=i[0],Zm=r[1])}return nx=ex=null,Wm===1/0||$m===1/0?[[NaN,NaN],[NaN,NaN]]:[[Wm,$m],[Zm,Gm]]},Gx={sphere:Ea,point:tc,lineStart:ec,lineEnd:oc,polygonStart:function(){Gx.lineStart=uc,Gx.lineEnd=ac},polygonEnd:function(){Gx.lineStart=ec,Gx.lineEnd=oc}},Jx=function(t){rx=ix=ox=ux=ax=cx=sx=fx=lx=hx=px=0,Bx(t,Gx);var n=lx,e=hx,r=px,i=n*n+e*e+r*r;return i Date: Mon, 26 Sep 2016 21:00:31 +0000 Subject: [PATCH 12/42] s/4.2.5/4.2.6/ --- CHANGELOG.md | 3 +++ README.md | 2 +- lib/d3/rails/version.rb | 2 +- 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index c2c14b2..2e15c1d 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## 4.2.6 (26 September 2016) +* Upgrade D3 to 4.2.6 + ## 4.2.5 (23 September 2016) * Upgrade D3 to 4.2.5 diff --git a/README.md b/README.md index a19c84a..77aaf39 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 4.2.5 of D3.js. The d3-rails version will +d3-rails comes with version 4.2.6 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/lib/d3/rails/version.rb b/lib/d3/rails/version.rb index bb1c133..8ef25c2 100644 --- a/lib/d3/rails/version.rb +++ b/lib/d3/rails/version.rb @@ -1,5 +1,5 @@ module D3 module Rails - VERSION = "4.2.5" + VERSION = "4.2.6" end end From 01d6adb0751834614d857817a6450f007ae5a843 Mon Sep 17 00:00:00 2001 From: Stuart Swindells Date: Fri, 28 Oct 2016 11:18:41 +0000 Subject: [PATCH 13/42] Update d3 to v4.3.0 --- app/assets/javascripts/d3.js | 771 ++++++++++++++++------------ app/assets/javascripts/d3.min.js | 16 +- app/assets/javascripts/d3.v4.js | 771 ++++++++++++++++------------ app/assets/javascripts/d3.v4.min.js | 16 +- 4 files changed, 886 insertions(+), 688 deletions(-) diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index 2399909..acc598c 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,15 +1,15 @@ -// https://d3js.org Version 4.2.6. Copyright 2016 Mike Bostock. +// https://d3js.org Version 4.3.0. Copyright 2016 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "4.2.6"; +var version = "4.3.0"; var ascending = function(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; -} +}; var bisector = function(compare) { if (compare.length === 1) compare = ascendingComparator(compare); @@ -35,7 +35,7 @@ var bisector = function(compare) { return lo; } }; -} +}; function ascendingComparator(f) { return function(d, x) { @@ -49,11 +49,11 @@ var bisectLeft = ascendingBisect.left; var descending = function(a, b) { return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; -} +}; var number = function(x) { return x === null ? NaN : +x; -} +}; var variance = function(array, f) { var n = array.length, @@ -85,12 +85,12 @@ var variance = function(array, f) { } if (j > 1) return s / (j - 1); -} +}; var deviation = function(array, f) { var v = variance(array, f); return v ? Math.sqrt(v) : v; -} +}; var extent = function(array, f) { var i = -1, @@ -116,7 +116,7 @@ var extent = function(array, f) { } return [a, c]; -} +}; var array = Array.prototype; @@ -127,11 +127,11 @@ var constant$1 = function(x) { return function() { return x; }; -} +}; var identity = function(x) { return x; -} +}; var range = function(start, stop, step) { start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; @@ -145,7 +145,7 @@ var range = function(start, stop, step) { } return range; -} +}; var e10 = Math.sqrt(50); var e5 = Math.sqrt(10); @@ -158,7 +158,7 @@ var ticks = function(start, stop, count) { Math.floor(stop / step) * step + step / 2, // inclusive step ); -} +}; function tickStep(start, stop, count) { var step0 = Math.abs(stop - start) / Math.max(0, count), @@ -172,7 +172,7 @@ function tickStep(start, stop, count) { var sturges = function(values) { return Math.ceil(Math.log(values.length) / Math.LN2) + 1; -} +}; var histogram = function() { var value = identity, @@ -236,7 +236,7 @@ var histogram = function() { }; return histogram; -} +}; var threshold = function(array, p, f) { if (f == null) f = number; @@ -249,16 +249,16 @@ var threshold = function(array, p, f) { a = +f(array[i], i, array), b = +f(array[i + 1], i + 1, array); return a + (b - a) * (h - i); -} +}; var freedmanDiaconis = function(values, min, max) { values = map.call(values, number).sort(ascending); return Math.ceil((max - min) / (2 * (threshold(values, 0.75) - threshold(values, 0.25)) * Math.pow(values.length, -1 / 3))); -} +}; var scott = function(values, min, max) { return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3))); -} +}; var max = function(array, f) { var i = -1, @@ -277,7 +277,7 @@ var max = function(array, f) { } return a; -} +}; var mean = function(array, f) { var s = 0, @@ -295,7 +295,7 @@ var mean = function(array, f) { } if (j) return s / j; -} +}; var median = function(array, f) { var numbers = [], @@ -312,7 +312,7 @@ var median = function(array, f) { } return threshold(numbers.sort(ascending), 0.5); -} +}; var merge = function(arrays) { var n = arrays.length, @@ -334,7 +334,7 @@ var merge = function(arrays) { } return merged; -} +}; var min = function(array, f) { var i = -1, @@ -353,19 +353,19 @@ var min = function(array, f) { } return a; -} +}; var pairs = function(array) { var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n); while (i < n) pairs[i] = [p, p = array[++i]]; return pairs; -} +}; var permute = function(array, indexes) { var i = indexes.length, permutes = new Array(i); while (i--) permutes[i] = array[indexes[i]]; return permutes; -} +}; var scan = function(array, compare) { if (!(n = array.length)) return; @@ -380,7 +380,7 @@ var scan = function(array, compare) { while (++i < n) if (compare(xi = array[i], xj) < 0 || compare(xj, xj) !== 0) xj = xi, j = i; if (compare(xj, xj) === 0) return j; -} +}; var shuffle = function(array, i0, i1) { var m = (i1 == null ? array.length : i1) - (i0 = i0 == null ? 0 : +i0), @@ -395,7 +395,7 @@ var shuffle = function(array, i0, i1) { } return array; -} +}; var sum = function(array, f) { var s = 0, @@ -412,7 +412,7 @@ var sum = function(array, f) { } return s; -} +}; var transpose = function(matrix) { if (!(n = matrix.length)) return []; @@ -422,7 +422,7 @@ var transpose = function(matrix) { } } return transpose; -} +}; function length(d) { return d.length; @@ -430,7 +430,7 @@ function length(d) { var zip = function() { return transpose(arguments); -} +}; var prefix = "$"; @@ -560,7 +560,7 @@ var nest = function() { sortValues: function(order) { sortValues = order; return nest; }, rollup: function(f) { rollup = f; return nest; } }; -} +}; function createObject() { return {}; @@ -618,19 +618,19 @@ var keys = function(map) { var keys = []; for (var key in map) keys.push(key); return keys; -} +}; var values = function(map) { var values = []; for (var key in map) values.push(map[key]); return values; -} +}; var entries = function(map) { var entries = []; for (var key in map) entries.push({key: key, value: map[key]}); return entries; -} +}; var uniform = function(min, max) { min = min == null ? 0 : +min; @@ -640,7 +640,7 @@ var uniform = function(min, max) { return function() { return Math.random() * max + min; }; -} +}; var normal = function(mu, sigma) { var x, r; @@ -661,34 +661,34 @@ var normal = function(mu, sigma) { return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); }; -} +}; var logNormal = function() { var randomNormal = normal.apply(this, arguments); return function() { return Math.exp(randomNormal()); }; -} +}; var irwinHall = function(n) { return function() { for (var sum = 0, i = 0; i < n; ++i) sum += Math.random(); return sum; }; -} +}; var bates = function(n) { var randomIrwinHall = irwinHall(n); return function() { return randomIrwinHall() / n; }; -} +}; var exponential = function(lambda) { return function() { return -Math.log(1 - Math.random()) / lambda; }; -} +}; function linear(t) { return +t; @@ -915,7 +915,7 @@ var area = function(polygon) { } return area / 2; -} +}; var centroid = function(polygon) { var i = -1, @@ -936,7 +936,7 @@ var centroid = function(polygon) { } return k *= 3, [x / k, y / k]; -} +}; // Returns the 2D cross product of AB and AC vectors, i.e., the z-component of // the 3D cross product in a quadrant I Cartesian coordinate system (+x is @@ -944,7 +944,7 @@ var centroid = function(polygon) { // negative if clockwise, and zero if the points are collinear. var cross = function(a, b, c) { return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); -} +}; function lexicographicOrder(a, b) { return a[0] - b[0] || a[1] - b[1]; @@ -992,7 +992,7 @@ var hull = function(points) { for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]); return hull; -} +}; var contains = function(polygon, point) { var n = polygon.length, @@ -1009,7 +1009,7 @@ var contains = function(polygon, point) { } return inside; -} +}; var length$1 = function(polygon) { var i = -1, @@ -1033,7 +1033,7 @@ var length$1 = function(polygon) { } return perimeter; -} +}; var pi$1 = Math.PI; var tau$1 = 2 * pi$1; @@ -1183,7 +1183,7 @@ var tree_add = function(d) { var x = +this._x.call(null, d), y = +this._y.call(null, d); return add(this.cover(x, y), x, y, d); -} +}; function add(tree, x, y, d) { if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points @@ -1322,7 +1322,7 @@ var tree_cover = function(x, y) { this._x1 = x1; this._y1 = y1; return this; -} +}; var tree_data = function() { var data = []; @@ -1330,13 +1330,13 @@ var tree_data = function() { if (!node.length) do data.push(node.data); while (node = node.next) }); return data; -} +}; var tree_extent = function(_) { return arguments.length ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; -} +}; var Quad = function(node, x0, y0, x1, y1) { this.node = node; @@ -1344,7 +1344,7 @@ var Quad = function(node, x0, y0, x1, y1) { this.y0 = y0; this.x1 = x1; this.y1 = y1; -} +}; var tree_find = function(x, y, radius) { var data, @@ -1413,7 +1413,7 @@ var tree_find = function(x, y, radius) { } return data; -} +}; var tree_remove = function(d) { if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points @@ -1471,7 +1471,7 @@ var tree_remove = function(d) { } return this; -} +}; function removeAll(data) { for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); @@ -1480,7 +1480,7 @@ function removeAll(data) { var tree_root = function() { return this._root; -} +}; var tree_size = function() { var size = 0; @@ -1488,7 +1488,7 @@ var tree_size = function() { if (!node.length) do ++size; while (node = node.next) }); return size; -} +}; var tree_visit = function(callback) { var quads = [], q, node = this._root, child, x0, y0, x1, y1; @@ -1503,7 +1503,7 @@ var tree_visit = function(callback) { } } return this; -} +}; var tree_visitAfter = function(callback) { var quads = [], next = [], q; @@ -1523,7 +1523,7 @@ var tree_visitAfter = function(callback) { callback(q.node, q.x0, q.y0, q.x1, q.y1); } return this; -} +}; function defaultX(d) { return d[0]; @@ -1531,7 +1531,7 @@ function defaultX(d) { var tree_x = function(_) { return arguments.length ? (this._x = _, this) : this._x; -} +}; function defaultY(d) { return d[1]; @@ -1539,7 +1539,7 @@ function defaultY(d) { var tree_y = function(_) { return arguments.length ? (this._y = _, this) : this._y; -} +}; function quadtree(nodes, x, y) { var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); @@ -1724,7 +1724,7 @@ var constant$2 = function(x) { return function constant() { return x; }; -} +}; var epsilon$1 = 1e-12; var pi$2 = Math.PI; @@ -1989,7 +1989,7 @@ var arc = function() { }; return arc; -} +}; function Linear(context) { this._context = context; @@ -2021,7 +2021,7 @@ Linear.prototype = { var curveLinear = function(context) { return new Linear(context); -} +}; function x(p) { return p[0]; @@ -2080,7 +2080,7 @@ var line = function() { }; return line; -} +}; var area$1 = function() { var x0 = x, @@ -2184,15 +2184,15 @@ var area$1 = function() { }; return area; -} +}; var descending$1 = function(a, b) { return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; -} +}; var identity$1 = function(d) { return d; -} +}; var pie = function() { var value = identity$1, @@ -2267,7 +2267,7 @@ var pie = function() { }; return pie; -} +}; var curveRadialLinear = curveRadial(curveLinear); @@ -2319,7 +2319,7 @@ function radialLine(l) { var radialLine$1 = function() { return radialLine(line().curve(curveRadialLinear)); -} +}; var radialArea = function() { var a = area$1().curve(curveRadialLinear), @@ -2345,7 +2345,7 @@ var radialArea = function() { }; return a; -} +}; var circle = { draw: function(context, size) { @@ -2494,9 +2494,9 @@ var symbol = function() { }; return symbol; -} +}; -var noop = function() {} +var noop = function() {}; function point(that, x, y) { that._context.bezierCurveTo( @@ -2548,7 +2548,7 @@ Basis.prototype = { var basis = function(context) { return new Basis(context); -} +}; function BasisClosed(context) { this._context = context; @@ -2598,7 +2598,7 @@ BasisClosed.prototype = { var basisClosed = function(context) { return new BasisClosed(context); -} +}; function BasisOpen(context) { this._context = context; @@ -2636,7 +2636,7 @@ BasisOpen.prototype = { var basisOpen = function(context) { return new BasisOpen(context); -} +}; function Bundle(context, beta) { this._basis = new Basis(context); @@ -3101,7 +3101,7 @@ LinearClosed.prototype = { var linearClosed = function(context) { return new LinearClosed(context); -} +}; function sign(x) { return x < 0 ? -1 : 1; @@ -3179,7 +3179,7 @@ MonotoneX.prototype = { this._y0 = this._y1, this._y1 = y; this._t0 = t1; } -} +}; function MonotoneY(context) { this._context = new ReflectContext(context); @@ -3272,7 +3272,7 @@ function controlPoints(x) { var natural = function(context) { return new Natural(context); -} +}; function Step(context, t) { this._context = context; @@ -3318,7 +3318,7 @@ Step.prototype = { var step = function(context) { return new Step(context, 0.5); -} +}; function stepBefore(context) { return new Step(context, 0); @@ -3338,13 +3338,13 @@ var none = function(series, order) { s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; } } -} +}; var none$1 = function(series) { var n = series.length, o = new Array(n); while (--n >= 0) o[n] = n; return o; -} +}; function stackValue(d, key) { return d[key]; @@ -3397,7 +3397,7 @@ var stack = function() { }; return stack; -} +}; var expand = function(series, order) { if (!((n = series.length) > 0)) return; @@ -3406,7 +3406,7 @@ var expand = function(series, order) { if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; } none(series, order); -} +}; var silhouette = function(series, order) { if (!((n = series.length) > 0)) return; @@ -3415,7 +3415,7 @@ var silhouette = function(series, order) { s0[j][1] += s0[j][0] = -y / 2; } none(series, order); -} +}; var wiggle = function(series, order) { if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; @@ -3438,12 +3438,12 @@ var wiggle = function(series, order) { } s0[j - 1][1] += s0[j - 1][0] = y; none(series, order); -} +}; var ascending$1 = function(series) { var sums = series.map(sum$1); return none$1(series).sort(function(a, b) { return sums[a] - sums[b]; }); -} +}; function sum$1(series) { var s = 0, i = -1, n = series.length, v; @@ -3453,7 +3453,7 @@ function sum$1(series) { var descending$2 = function(series) { return ascending$1(series).reverse(); -} +}; var insideOut = function(series) { var n = series.length, @@ -3478,16 +3478,16 @@ var insideOut = function(series) { } return bottoms.reverse().concat(tops); -} +}; var reverse = function(series) { return none$1(series).reverse(); -} +}; var define = function(constructor, factory, prototype) { constructor.prototype = factory.prototype = prototype; prototype.constructor = constructor; -} +}; function extend(parent, definition) { var prototype = Object.create(parent.prototype); @@ -4005,7 +4005,7 @@ var basis$2 = function(values) { v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; return basis$1((t - i / n) * n, v0, v1, v2, v3); }; -} +}; var basisClosed$1 = function(values) { var n = values.length; @@ -4017,13 +4017,13 @@ var basisClosed$1 = function(values) { v3 = values[(i + 2) % n]; return basis$1((t - i / n) * n, v0, v1, v2, v3); }; -} +}; var constant$3 = function(x) { return function() { return x; }; -} +}; function linear$1(a, d) { return function(t) { @@ -4118,20 +4118,20 @@ var array$1 = function(a, b) { for (i = 0; i < na; ++i) c[i] = x[i](t); return c; }; -} +}; var date = function(a, b) { var d = new Date; return a = +a, b -= a, function(t) { return d.setTime(a + b * t), d; }; -} +}; var interpolateNumber = function(a, b) { return a = +a, b -= a, function(t) { return a + b * t; }; -} +}; var object = function(a, b) { var i = {}, @@ -4153,7 +4153,7 @@ var object = function(a, b) { for (k in i) c[k] = i[k](t); return c; }; -} +}; var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; var reB = new RegExp(reA.source, "g"); @@ -4216,7 +4216,7 @@ var interpolateString = function(a, b) { for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); return s.join(""); }); -} +}; var interpolate = function(a, b) { var t = typeof b, c; @@ -4228,13 +4228,13 @@ var interpolate = function(a, b) { : Array.isArray(b) ? array$1 : isNaN(b) ? object : interpolateNumber)(a, b); -} +}; var interpolateRound = function(a, b) { return a = +a, b -= a, function(t) { return Math.round(a + b * t); }; -} +}; var degrees = 180 / Math.PI; @@ -4261,7 +4261,7 @@ var decompose = function(a, b, c, d, e, f) { scaleX: scaleX, scaleY: scaleY }; -} +}; var cssNode; var cssRoot; @@ -4385,7 +4385,7 @@ var interpolateZoom = function(p0, p1) { uy0 + t * dy, w0 * Math.exp(rho * t * S) ]; - } + }; } // General case. @@ -4405,13 +4405,13 @@ var interpolateZoom = function(p0, p1) { uy0 + u * dy, w0 * coshr0 / cosh(rho * s + r0) ]; - } + }; } i.duration = S * 1000; return i; -} +}; function hsl$1(hue$$1) { return function(start, end) { @@ -4496,7 +4496,7 @@ var quantize = function(interpolator, n) { var samples = new Array(n); for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); return samples; -} +}; var noop$1 = {value: function() {}}; @@ -4714,7 +4714,7 @@ var dsv = function(delimiter) { format: format, formatRows: formatRows }; -} +}; var csv = dsv(","); @@ -4864,7 +4864,7 @@ var request = function(url, callback) { } return request; -} +}; function fixCallback(callback) { return function(error, xhr) { @@ -4888,7 +4888,7 @@ var type = function(defaultMimeType, response) { } return r; }; -} +}; var html = type("text/html", function(xhr) { return document.createRange().createContextualFragment(xhr.responseText); @@ -4916,7 +4916,7 @@ var dsv$1 = function(defaultMimeType, parse) { r.row(row); return callback ? r.get(callback) : r; }; -} +}; function responseOf(parse, row) { return function(request$$1) { @@ -5047,7 +5047,7 @@ var timeout$1 = function(callback, delay, time) { callback(elapsed + delay); }, delay, time); return t; -} +}; var interval$1 = function(callback, delay, time) { var t = new Timer, total = delay; @@ -5059,7 +5059,7 @@ var interval$1 = function(callback, delay, time) { callback(elapsed); }, delay, time); return t; -} +}; var t0$1 = new Date; var t1$1 = new Date; @@ -5380,11 +5380,11 @@ var formatDecimal = function(x, p) { coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, +x.slice(i + 1) ]; -} +}; var exponent$1 = function(x) { return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; -} +}; var formatGroup = function(grouping, thousands) { return function(value, width) { @@ -5403,7 +5403,7 @@ var formatGroup = function(grouping, thousands) { return t.reverse().join(thousands); }; -} +}; var formatDefault = function(x, p) { x = x.toPrecision(p); @@ -5418,7 +5418,7 @@ var formatDefault = function(x, p) { } return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x; -} +}; var prefixExponent; @@ -5433,7 +5433,7 @@ var formatPrefixAuto = function(x, p) { : i > n ? coefficient + new Array(i - n + 1).join("0") : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y! -} +}; var formatRounded = function(x, p) { var d = formatDecimal(x, p); @@ -5443,7 +5443,7 @@ var formatRounded = function(x, p) { return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) : coefficient + new Array(exponent - coefficient.length + 2).join("0"); -} +}; var formatTypes = { "": formatDefault, @@ -5467,7 +5467,7 @@ var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i var formatSpecifier = function(specifier) { return new FormatSpecifier(specifier); -} +}; function FormatSpecifier(specifier) { if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); @@ -5649,7 +5649,7 @@ var formatLocale = function(locale) { format: newFormat, formatPrefix: formatPrefix }; -} +}; var locale$1; @@ -5671,16 +5671,16 @@ function defaultLocale(definition) { var precisionFixed = function(step) { return Math.max(0, -exponent$1(Math.abs(step))); -} +}; var precisionPrefix = function(step, value) { return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step))); -} +}; var precisionRound = function(step, max) { step = Math.abs(step), max = Math.abs(max) - step; return Math.max(0, exponent$1(max) - exponent$1(step)) + 1; -} +}; function localDate(d) { if (0 <= d.y && d.y < 100) { @@ -6407,11 +6407,11 @@ var constant$4 = function(x) { return function() { return x; }; -} +}; var number$1 = function(x) { return +x; -} +}; var unit = [0, 1]; @@ -6548,7 +6548,7 @@ var tickFormat = function(domain, count, specifier) { } } return exports.format(specifier); -} +}; function linearish(scale) { var domain = scale.domain; @@ -6630,7 +6630,7 @@ var nice = function(domain, interval) { domain[i0] = interval.floor(x0); domain[i1] = interval.ceil(x1); return domain; -} +}; function deinterpolate(a, b) { return (b = Math.log(b / a)) @@ -7039,17 +7039,17 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 var time = function() { return calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]); -} +}; var utcTime = function() { return calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); -} +}; var colors = function(s) { return s.match(/.{6}/g).map(function(x) { return "#" + x; }); -} +}; var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); @@ -7074,7 +7074,7 @@ var rainbow$1 = function(t) { rainbow.s = 1.5 - 1.5 * ts; rainbow.l = 0.8 - 0.9 * ts; return rainbow + ""; -} +}; function ramp(range) { var n = range.length; @@ -7134,7 +7134,7 @@ var namespace = function(name) { var prefix = name += "", i = prefix.indexOf(":"); if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; -} +}; function creatorInherit(name) { return function() { @@ -7157,7 +7157,7 @@ var creator = function(name) { return (fullname.local ? creatorFixed : creatorInherit)(fullname); -} +}; var nextId = 0; @@ -7305,7 +7305,7 @@ var selection_on = function(typename, value, capture) { if (capture == null) capture = false; for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); return this; -} +}; function customEvent(event1, listener, that, args) { var event0 = exports.event; @@ -7322,7 +7322,7 @@ var sourceEvent = function() { var current = exports.event, source; while (source = current.sourceEvent) current = source; return current; -} +}; var point$5 = function(node, event) { var svg = node.ownerSVGElement || node; @@ -7336,13 +7336,13 @@ var point$5 = function(node, event) { var rect = node.getBoundingClientRect(); return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; -} +}; var mouse = function(node) { var event = sourceEvent(); if (event.changedTouches) event = event.changedTouches[0]; return point$5(node, event); -} +}; function none$2() {} @@ -7350,7 +7350,7 @@ var selector = function(selector) { return selector == null ? none$2 : function() { return this.querySelector(selector); }; -} +}; var selection_select = function(select) { if (typeof select !== "function") select = selector(select); @@ -7365,7 +7365,7 @@ var selection_select = function(select) { } return new Selection(subgroups, this._parents); -} +}; function empty() { return []; @@ -7375,7 +7375,7 @@ var selectorAll = function(selector) { return selector == null ? empty : function() { return this.querySelectorAll(selector); }; -} +}; var selection_selectAll = function(select) { if (typeof select !== "function") select = selectorAll(select); @@ -7390,7 +7390,7 @@ var selection_selectAll = function(select) { } return new Selection(subgroups, parents); -} +}; var selection_filter = function(match) { if (typeof match !== "function") match = matcher$1(match); @@ -7404,15 +7404,15 @@ var selection_filter = function(match) { } return new Selection(subgroups, this._parents); -} +}; var sparse = function(update) { return new Array(update.length); -} +}; var selection_enter = function() { return new Selection(this._enter || this._groups.map(sparse), this._parents); -} +}; function EnterNode(parent, datum) { this.ownerDocument = parent.ownerDocument; @@ -7434,7 +7434,7 @@ var constant$5 = function(x) { return function() { return x; }; -} +}; var keyPrefix = "$"; // Protect against keys like “__proto__”. @@ -7549,11 +7549,11 @@ var selection_data = function(value, key) { update._enter = enter; update._exit = exit; return update; -} +}; var selection_exit = function() { return new Selection(this._exit || this._groups.map(sparse), this._parents); -} +}; var selection_merge = function(selection) { @@ -7570,7 +7570,7 @@ var selection_merge = function(selection) { } return new Selection(merges, this._parents); -} +}; var selection_order = function() { @@ -7584,7 +7584,7 @@ var selection_order = function() { } return this; -} +}; var selection_sort = function(compare) { if (!compare) compare = ascending$2; @@ -7603,7 +7603,7 @@ var selection_sort = function(compare) { } return new Selection(sortgroups, this._parents).order(); -} +}; function ascending$2(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -7614,13 +7614,13 @@ var selection_call = function() { arguments[0] = this; callback.apply(null, arguments); return this; -} +}; var selection_nodes = function() { var nodes = new Array(this.size()), i = -1; this.each(function() { nodes[++i] = this; }); return nodes; -} +}; var selection_node = function() { @@ -7632,17 +7632,17 @@ var selection_node = function() { } return null; -} +}; var selection_size = function() { var size = 0; this.each(function() { ++size; }); return size; -} +}; var selection_empty = function() { return !this.node(); -} +}; var selection_each = function(callback) { @@ -7653,7 +7653,7 @@ var selection_each = function(callback) { } return this; -} +}; function attrRemove(name) { return function() { @@ -7709,13 +7709,13 @@ var selection_attr = function(name, value) { ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" ? (fullname.local ? attrFunctionNS : attrFunction) : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); -} +}; var window = function(node) { return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node || (node.document && node) // node is a Window || node.defaultView; // node is a Document -} +}; function styleRemove(name) { return function() { @@ -7747,7 +7747,7 @@ var selection_style = function(name, value, priority) { : window(node = this.node()) .getComputedStyle(node, null) .getPropertyValue(name); -} +}; function propertyRemove(name) { return function() { @@ -7776,7 +7776,7 @@ var selection_property = function(name, value) { ? propertyFunction : propertyConstant)(name, value)) : this.node()[name]; -} +}; function classArray(string) { return string.trim().split(/^|\s+/); @@ -7852,7 +7852,7 @@ var selection_classed = function(name, value) { ? classedFunction : value ? classedTrue : classedFalse)(names, value)); -} +}; function textRemove() { this.textContent = ""; @@ -7878,7 +7878,7 @@ var selection_text = function(value) { ? textFunction : textConstant)(value)) : this.node().textContent; -} +}; function htmlRemove() { this.innerHTML = ""; @@ -7904,7 +7904,7 @@ var selection_html = function(value) { ? htmlFunction : htmlConstant)(value)) : this.node().innerHTML; -} +}; function raise$1() { if (this.nextSibling) this.parentNode.appendChild(this); @@ -7912,7 +7912,7 @@ function raise$1() { var selection_raise = function() { return this.each(raise$1); -} +}; function lower() { if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); @@ -7920,14 +7920,14 @@ function lower() { var selection_lower = function() { return this.each(lower); -} +}; var selection_append = function(name) { var create = typeof name === "function" ? name : creator(name); return this.select(function() { return this.appendChild(create.apply(this, arguments)); }); -} +}; function constantNull() { return null; @@ -7939,7 +7939,7 @@ var selection_insert = function(name, before) { return this.select(function() { return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); }); -} +}; function remove() { var parent = this.parentNode; @@ -7948,13 +7948,13 @@ function remove() { var selection_remove = function() { return this.each(remove); -} +}; var selection_datum = function(value) { return arguments.length ? this.property("__data__", value) : this.node().__data__; -} +}; function dispatchEvent(node, type, params) { var window$$1 = window(node), @@ -7987,7 +7987,7 @@ var selection_dispatch = function(type, params) { return this.each((typeof params === "function" ? dispatchFunction : dispatchConstant)(type, params)); -} +}; var root = [null]; @@ -8037,13 +8037,13 @@ var select = function(selector) { return typeof selector === "string" ? new Selection([[document.querySelector(selector)]], [document.documentElement]) : new Selection([[selector]], root); -} +}; var selectAll = function(selector) { return typeof selector === "string" ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) : new Selection([selector == null ? [] : selector], root); -} +}; var touch = function(node, touches, identifier) { if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; @@ -8055,7 +8055,7 @@ var touch = function(node, touches, identifier) { } return null; -} +}; var touches = function(node, touches) { if (touches == null) touches = sourceEvent().touches; @@ -8065,7 +8065,7 @@ var touches = function(node, touches) { } return points; -} +}; var emptyOn = dispatch("start", "end", "interrupt"); var emptyTween = []; @@ -8095,7 +8095,7 @@ var schedule = function(node, name, id, index, group, timing) { timer: null, state: CREATED }); -} +}; function init(node, id) { var schedule = node.__transition; @@ -8233,7 +8233,7 @@ var interrupt = function(node, name) { for (i in schedules) { if ((schedule = schedules[i]).name !== name) { empty = false; continue; } - active = schedule.state === STARTED; + active = schedule.state > STARTING && schedule.state < ENDING; schedule.state = ENDED; schedule.timer.stop(); if (active) schedule.on.call("interrupt", node, node.__data__, schedule.index, schedule.group); @@ -8241,13 +8241,13 @@ var interrupt = function(node, name) { } if (empty) delete node.__transition; -} +}; var selection_interrupt = function(name) { return this.each(function() { interrupt(this, name); }); -} +}; function tweenRemove(id, name) { var tween0, tween1; @@ -8314,7 +8314,7 @@ var transition_tween = function(name, value) { } return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); -} +}; function tweenValue(transition, name, value) { var id = transition._id; @@ -8335,7 +8335,7 @@ var interpolate$1 = function(a, b) { : b instanceof color ? interpolateRgb : (c = color(b)) ? (b = c, interpolateRgb) : interpolateString)(a, b); -} +}; function attrRemove$1(name) { return function() { @@ -8405,7 +8405,7 @@ var transition_attr = function(name, value) { ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); -} +}; function attrTweenNS(fullname, value) { function tween() { @@ -8436,7 +8436,7 @@ var transition_attrTween = function(name, value) { if (typeof value !== "function") throw new Error; var fullname = namespace(name); return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value)); -} +}; function delayFunction(id, value) { return function() { @@ -8458,7 +8458,7 @@ var transition_delay = function(value) { ? delayFunction : delayConstant)(id, value)) : get$1(this.node(), id).delay; -} +}; function durationFunction(id, value) { return function() { @@ -8480,7 +8480,7 @@ var transition_duration = function(value) { ? durationFunction : durationConstant)(id, value)) : get$1(this.node(), id).duration; -} +}; function easeConstant(id, value) { if (typeof value !== "function") throw new Error; @@ -8495,7 +8495,7 @@ var transition_ease = function(value) { return arguments.length ? this.each(easeConstant(id, value)) : get$1(this.node(), id).ease; -} +}; var transition_filter = function(match) { if (typeof match !== "function") match = matcher$1(match); @@ -8509,7 +8509,7 @@ var transition_filter = function(match) { } return new Transition(subgroups, this._parents, this._name, this._id); -} +}; var transition_merge = function(transition) { if (transition._id !== this._id) throw new Error; @@ -8527,7 +8527,7 @@ var transition_merge = function(transition) { } return new Transition(merges, this._parents, this._name, this._id); -} +}; function start$1(name) { return (name + "").trim().split(/^|\s+/).every(function(t) { @@ -8558,7 +8558,7 @@ var transition_on = function(name, listener) { return arguments.length < 2 ? get$1(this.node(), id).on.on(name) : this.each(onFunction(id, name, listener)); -} +}; function removeFunction(id) { return function() { @@ -8570,7 +8570,7 @@ function removeFunction(id) { var transition_remove = function() { return this.on("end.remove", removeFunction(this._id)); -} +}; var transition_select = function(select$$1) { var name = this._name, @@ -8589,7 +8589,7 @@ var transition_select = function(select$$1) { } return new Transition(subgroups, this._parents, name, id); -} +}; var transition_selectAll = function(select$$1) { var name = this._name, @@ -8612,13 +8612,13 @@ var transition_selectAll = function(select$$1) { } return new Transition(subgroups, parents, name, id); -} +}; var Selection$1 = selection.prototype.constructor; var transition_selection = function() { return new Selection$1(this._groups, this._parents); -} +}; function styleRemove$1(name, interpolate$$1) { var value00, @@ -8674,7 +8674,7 @@ var transition_style = function(name, value, priority) { : this.styleTween(name, typeof value === "function" ? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) : styleConstant$1(name, i, value), priority); -} +}; function styleTween(name, value, priority) { function tween() { @@ -8693,7 +8693,7 @@ var transition_styleTween = function(name, value, priority) { if (value == null) return this.tween(key, null); if (typeof value !== "function") throw new Error; return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); -} +}; function textConstant$1(value) { return function() { @@ -8712,7 +8712,7 @@ var transition_text = function(value) { return this.tween("text", typeof value === "function" ? textFunction$1(tweenValue(this, "text", value)) : textConstant$1(value == null ? "" : value + "")); -} +}; var transition_transition = function() { var name = this._name, @@ -8734,7 +8734,7 @@ var transition_transition = function() { } return new Transition(groups, this._parents, name, id1); -} +}; var id = 0; @@ -8818,7 +8818,7 @@ var selection_transition = function(name) { } return new Transition(groups, this._parents, name, id); -} +}; selection.prototype.interrupt = selection_interrupt; selection.prototype.transition = selection_transition; @@ -8840,13 +8840,13 @@ var active = function(node, name) { } return null; -} +}; var slice$4 = Array.prototype.slice; var identity$5 = function(x) { return x; -} +}; var top = 1; var right = 2; @@ -9102,7 +9102,7 @@ var cluster = function() { }; return cluster; -} +}; var node_each = function(callback) { var node = this, current, next = [node], children, i, n; @@ -9116,7 +9116,7 @@ var node_each = function(callback) { } } while (next.length); return this; -} +}; var node_eachBefore = function(callback) { var node = this, nodes = [node], children, i; @@ -9127,7 +9127,7 @@ var node_eachBefore = function(callback) { } } return this; -} +}; var node_eachAfter = function(callback) { var node = this, nodes = [node], next = [], children, i, n; @@ -9141,7 +9141,7 @@ var node_eachAfter = function(callback) { callback(node); } return this; -} +}; var node_sum = function(value) { return this.eachAfter(function(node) { @@ -9151,7 +9151,7 @@ var node_sum = function(value) { while (--i >= 0) sum += children[i].value; node.value = sum; }); -} +}; var node_sort = function(compare) { return this.eachBefore(function(node) { @@ -9159,7 +9159,7 @@ var node_sort = function(compare) { node.children.sort(compare); } }); -} +}; var node_path = function(end) { var start = this, @@ -9175,7 +9175,7 @@ var node_path = function(end) { end = end.parent; } return nodes; -} +}; function leastCommonAncestor(a, b) { if (a === b) return a; @@ -9198,7 +9198,7 @@ var node_ancestors = function() { nodes.push(node); } return nodes; -} +}; var node_descendants = function() { var nodes = []; @@ -9206,7 +9206,7 @@ var node_descendants = function() { nodes.push(node); }); return nodes; -} +}; var node_leaves = function() { var leaves = []; @@ -9216,7 +9216,7 @@ var node_leaves = function() { } }); return leaves; -} +}; var node_links = function() { var root = this, links = []; @@ -9226,7 +9226,7 @@ var node_links = function() { } }); return links; -} +}; function hierarchy(data, children) { var root = new Node(data), @@ -9317,11 +9317,11 @@ var shuffle$1 = function(array) { head: head, tail: node }; -} +}; var enclose = function(circles) { return encloseN(shuffle$1(circles), []); -} +}; function encloses(a, b) { var dx = b.x - a.x, @@ -9552,7 +9552,7 @@ function packEnclose(circles) { var siblings = function(circles) { packEnclose(circles); return circles; -} +}; function optional(f) { return f == null ? null : required(f); @@ -9571,7 +9571,7 @@ var constant$6 = function(x) { return function() { return x; }; -} +}; function defaultRadius(d) { return Math.sqrt(d.value); @@ -9611,7 +9611,7 @@ var index = function() { }; return pack; -} +}; function radiusLeaf(radius) { return function(node) { @@ -9654,7 +9654,7 @@ var roundNode = function(node) { node.y0 = Math.round(node.y0); node.x1 = Math.round(node.x1); node.y1 = Math.round(node.y1); -} +}; var treemapDice = function(parent, x0, y0, x1, y1) { var nodes = parent.children, @@ -9667,7 +9667,7 @@ var treemapDice = function(parent, x0, y0, x1, y1) { node = nodes[i], node.y0 = y0, node.y1 = y1; node.x0 = x0, node.x1 = x0 += node.value * k; } -} +}; var partition = function() { var dx = 1, @@ -9717,7 +9717,7 @@ var partition = function() { }; return partition; -} +}; var keyPrefix$1 = "$"; var preroot = {depth: -1}; @@ -9788,7 +9788,7 @@ var stratify = function() { }; return stratify; -} +}; function defaultSeparation$1(a, b) { return a.parent === b.parent ? 1 : 2; @@ -10024,7 +10024,7 @@ var tree = function() { }; return tree; -} +}; var treemapSlice = function(parent, x0, y0, x1, y1) { var nodes = parent.children, @@ -10037,7 +10037,7 @@ var treemapSlice = function(parent, x0, y0, x1, y1) { node = nodes[i], node.x0 = x0, node.x1 = x1; node.y0 = y0, node.y1 = y0 += node.value * k; } -} +}; var phi = (1 + Math.sqrt(5)) / 2; @@ -10188,7 +10188,7 @@ var index$1 = function() { }; return treemap; -} +}; var binary = function(parent, x0, y0, x1, y1) { var nodes = parent.children, @@ -10233,11 +10233,11 @@ var binary = function(parent, x0, y0, x1, y1) { partition(k, j, valueRight, xk, y0, x1, y1); } } -} +}; var sliceDice = function(parent, x0, y0, x1, y1) { (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); -} +}; var resquarify = (function custom(ratio) { @@ -10307,17 +10307,17 @@ var center$1 = function(x, y) { }; return force; -} +}; var constant$7 = function(x) { return function() { return x; }; -} +}; var jiggle = function() { return (Math.random() - 0.5) * 1e-6; -} +}; function x$1(d) { return d.x + d.vx; @@ -10387,9 +10387,16 @@ var collide = function(radius) { } } - force.initialize = function(_) { - var i, n = (nodes = _).length; radii = new Array(n); + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + radii = new Array(n); for (i = 0; i < n; ++i) radii[i] = +radius(nodes[i], i, nodes); + } + + force.initialize = function(_) { + nodes = _; + initialize(); }; force.iterations = function(_) { @@ -10401,16 +10408,22 @@ var collide = function(radius) { }; force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), force) : radius; + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : radius; }; return force; -} +}; function index$2(d, i) { return i; } +function find(nodeById, nodeId) { + var node = nodeById.get(nodeId); + if (!node) throw new Error("missing: " + nodeId); + return node; +} + var link = function(links) { var id = index$2, strength = defaultStrength, @@ -10460,8 +10473,8 @@ var link = function(links) { for (i = 0; i < m; ++i) { link = links[i], link.index = i; - if (typeof link.source !== "object") link.source = nodeById.get(link.source); - if (typeof link.target !== "object") link.target = nodeById.get(link.target); + if (typeof link.source !== "object") link.source = find(nodeById, link.source); + if (typeof link.target !== "object") link.target = find(nodeById, link.target); ++count[link.source.index], ++count[link.target.index]; } @@ -10515,7 +10528,7 @@ var link = function(links) { }; return force; -} +}; function x$2(d) { return d.x; @@ -10655,7 +10668,7 @@ var simulation = function(nodes) { return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); } }; -} +}; var manyBody = function() { var nodes, @@ -10765,7 +10778,7 @@ var manyBody = function() { }; return force; -} +}; var x$3 = function(x) { var strength = constant$7(0.1), @@ -10805,7 +10818,7 @@ var x$3 = function(x) { }; return force; -} +}; var y$3 = function(y) { var strength = constant$7(0.1), @@ -10845,7 +10858,7 @@ var y$3 = function(y) { }; return force; -} +}; function nopropagation() { exports.event.stopImmediatePropagation(); @@ -10854,7 +10867,7 @@ function nopropagation() { var noevent = function() { exports.event.preventDefault(); exports.event.stopImmediatePropagation(); -} +}; var dragDisable = function(view) { var root = view.document.documentElement, @@ -10865,7 +10878,7 @@ var dragDisable = function(view) { root.__noselect = root.style.MozUserSelect; root.style.MozUserSelect = "none"; } -} +}; function yesdrag(view, noclick) { var root = view.document.documentElement, @@ -10886,7 +10899,7 @@ var constant$8 = function(x) { return function() { return x; }; -} +}; function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) { this.target = target; @@ -11042,13 +11055,13 @@ var drag = function() { }; return drag; -} +}; var constant$9 = function(x) { return function() { return x; }; -} +}; function x$4(d) { return d[0]; @@ -11941,7 +11954,7 @@ Diagram.prototype = { s0 = s1; e1 = edges[halfedges[j]]; s1 = e1.left === site ? e1.right : e1.left; - if (i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) { + if (s0 && s1 && i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) { triangles.push([site.data, s0.data, s1.data]); } } @@ -11959,8 +11972,33 @@ Diagram.prototype = { target: edge.right.data }; }); + }, + + find: function(x, y, radius) { + var that = this, + i0, i1 = that._found || 0, + cell = that.cells[i1] || that.cells[i1 = 0], + dx = x - cell.site[0], + dy = y - cell.site[1], + d2 = dx * dx + dy * dy; + + do { + cell = that.cells[i0 = i1], i1 = null; + cell.halfedges.forEach(function(e) { + var edge = that.edges[e], v = edge.left; + if ((v === cell.site || !v) && !(v = edge.right)) return; + var vx = x - v[0], + vy = y - v[1], + v2 = vx * vx + vy * vy; + if (v2 < d2) d2 = v2, i1 = v.index; + }); + } while (i1 !== null); + + that._found = i0; + + return radius == null || d2 <= radius * radius ? cell.site : null; } -} +}; var voronoi = function() { var x$$1 = x$4, @@ -12005,13 +12043,13 @@ var voronoi = function() { }; return voronoi; -} +}; var constant$10 = function(x) { return function() { return x; }; -} +}; function ZoomEvent(target, type, transform) { this.target = target; @@ -12077,7 +12115,7 @@ function nopropagation$1() { var noevent$1 = function() { exports.event.preventDefault(); exports.event.stopImmediatePropagation(); -} +}; // Ignore right-click, since that should open the context menu. function defaultFilter$1() { @@ -12430,19 +12468,19 @@ var zoom = function() { }; return zoom; -} +}; var constant$11 = function(x) { return function() { return x; }; -} +}; var BrushEvent = function(target, type, selection) { this.target = target; this.type = type; this.selection = selection; -} +}; function nopropagation$2() { exports.event.stopImmediatePropagation(); @@ -12451,7 +12489,7 @@ function nopropagation$2() { var noevent$2 = function() { exports.event.preventDefault(); exports.event.stopImmediatePropagation(); -} +}; var MODE_DRAG = {name: "drag"}; var MODE_SPACE = {name: "space"}; @@ -12576,7 +12614,7 @@ function brushY() { var brush = function() { return brush$1(XY); -} +}; function brush$1(dim) { var extent = defaultExtent$1, @@ -13108,7 +13146,7 @@ var chord = function() { }; return chord; -} +}; var slice$5 = Array.prototype.slice; @@ -13116,7 +13154,7 @@ var constant$12 = function(x) { return function() { return x; }; -} +}; function defaultSource(d) { return d.source; @@ -13199,7 +13237,7 @@ var ribbon = function() { }; return ribbon; -} +}; // Adds floating point numbers with twice the normal precision. // Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and @@ -13210,7 +13248,7 @@ var ribbon = function() { var adder = function() { return new Adder; -} +}; function Adder() { this.reset(); @@ -13348,7 +13386,7 @@ var geoStream = function(object, stream) { } else { streamGeometry(object, stream); } -} +}; var areaRingSum = adder(); @@ -13418,7 +13456,7 @@ var area$2 = function(object) { areaSum.reset(); geoStream(object, areaStream); return areaSum * 2; -} +}; function spherical(cartesian) { return [atan2(cartesian[1], cartesian[0]), asin$1(cartesian[2])]; @@ -13623,7 +13661,7 @@ var bounds = function(feature) { return lambda0$1 === Infinity || phi0 === Infinity ? [[NaN, NaN], [NaN, NaN]] : [[lambda0$1, phi0], [lambda1, phi1]]; -} +}; var W0; var W1; @@ -13771,13 +13809,13 @@ var centroid$1 = function(object) { } return [atan2(y, x) * degrees$1, asin$1(z / sqrt$1(m)) * degrees$1]; -} +}; var constant$13 = function(x) { return function() { return x; }; -} +}; var compose = function(a, b) { @@ -13790,7 +13828,7 @@ var compose = function(a, b) { }; return compose; -} +}; function rotationIdentity(lambda, phi) { return [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi]; @@ -13864,7 +13902,7 @@ var rotation = function(rotate) { }; return forward; -} +}; // Generates a circle centered at [0°, 0°], with a given radius and precision. function circleStream(stream, radius, delta, direction, t0, t1) { @@ -13932,7 +13970,7 @@ var circle$1 = function() { }; return circle; -} +}; var clipBuffer = function() { var lines = [], @@ -13955,7 +13993,7 @@ var clipBuffer = function() { return result; } }; -} +}; var clipLine = function(a, b, x0, y0, x1, y1) { var ax = a[0], @@ -14015,11 +14053,11 @@ var clipLine = function(a, b, x0, y0, x1, y1) { if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; return true; -} +}; var pointEqual = function(a, b) { return abs(a[0] - b[0]) < epsilon$4 && abs(a[1] - b[1]) < epsilon$4; -} +}; function Intersection(point, points, other, entry) { this.x = point; @@ -14104,7 +14142,7 @@ var clipPolygon = function(segments, compareIntersection, startInside, interpola } while (!current.v); stream.lineEnd(); } -} +}; function link$1(array) { if (!(n = array.length)) return; @@ -14302,7 +14340,7 @@ var extent$1 = function() { return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; } }; -} +}; var lengthSum = adder(); var lambda0$2; @@ -14351,7 +14389,7 @@ var length$2 = function(object) { lengthSum.reset(); geoStream(object, lengthStream); return +lengthSum; -} +}; var coordinates = [null, null]; var object$1 = {type: "LineString", coordinates: coordinates}; @@ -14360,7 +14398,7 @@ var distance = function(a, b) { coordinates[0] = a; coordinates[1] = b; return length$2(object$1); -} +}; function graticuleX(y0, y1, dy) { var y = range(y0, y1 - epsilon$4, dy).concat(y1); @@ -14372,7 +14410,7 @@ function graticuleY(x0, x1, dx) { return function(y) { return x.map(function(x) { return [x, y]; }); }; } -var graticule = function() { +function graticule() { var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, @@ -14461,6 +14499,10 @@ var graticule = function() { .extentMinor([[-180, -80 - epsilon$4], [180, 80 + epsilon$4]]); } +function graticule10() { + return graticule()(); +} + var interpolate$2 = function(a, b) { var x0 = a[0] * radians, y0 = a[1] * radians, @@ -14494,11 +14536,11 @@ var interpolate$2 = function(a, b) { interpolate.distance = d; return interpolate; -} +}; var identity$7 = function(x) { return x; -} +}; var areaSum$1 = adder(); var areaRingSum$1 = adder(); @@ -14765,11 +14807,9 @@ function circle$2(radius) { + "z"; } -var index$3 = function() { +var index$3 = function(projection, context) { var pointRadius = 4.5, - projection, projectionStream, - context, contextStream; function path(object) { @@ -14812,8 +14852,8 @@ var index$3 = function() { return path; }; - return path.projection(null).context(null); -} + return path.projection(projection).context(context); +}; var sum$2 = adder(); @@ -14878,7 +14918,7 @@ var polygonContains = function(polygon, point) { // same side as the South pole. return (angle < -epsilon$4 || angle < epsilon$4 && sum$2 < -epsilon$4) ^ (winding & 1); -} +}; var clip = function(pointVisible, clipLine, interpolate, start) { return function(rotate, sink) { @@ -14997,7 +15037,7 @@ var clip = function(pointVisible, clipLine, interpolate, start) { return clip; }; -} +}; function validSegment(segment) { return segment.length > 1; @@ -15274,28 +15314,27 @@ var clipCircle = function(radius, delta) { } return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$4, radius - pi$4]); -} +}; -var transform$1 = function(prototype) { +var transform$1 = function(methods) { return { - stream: transform$2(prototype) + stream: transformer(methods) }; -} +}; -function transform$2(prototype) { - function T() {} - var p = T.prototype = Object.create(Transform$1.prototype); - for (var k in prototype) p[k] = prototype[k]; +function transformer(methods) { return function(stream) { - var t = new T; - t.stream = stream; - return t; + var s = new TransformStream; + for (var key in methods) s[key] = methods[key]; + s.stream = stream; + return s; }; } -function Transform$1() {} +function TransformStream() {} -Transform$1.prototype = { +TransformStream.prototype = { + constructor: TransformStream, point: function(x, y) { this.stream.point(x, y); }, sphere: function() { this.stream.sphere(); }, lineStart: function() { this.stream.lineStart(); }, @@ -15304,41 +15343,33 @@ Transform$1.prototype = { polygonEnd: function() { this.stream.polygonEnd(); } }; -function fit(project, extent, object) { +function fitExtent(projection, extent, object) { var w = extent[1][0] - extent[0][0], h = extent[1][1] - extent[0][1], - clip = project.clipExtent && project.clipExtent(); + clip = projection.clipExtent && projection.clipExtent(); - project + projection .scale(150) .translate([0, 0]); - if (clip != null) project.clipExtent(null); + if (clip != null) projection.clipExtent(null); - geoStream(object, project.stream(boundsStream$1)); + geoStream(object, projection.stream(boundsStream$1)); var b = boundsStream$1.result(), k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; - if (clip != null) project.clipExtent(clip); + if (clip != null) projection.clipExtent(clip); - return project + return projection .scale(k * 150) .translate([x, y]); } -function fitSize(project) { - return function(size, object) { - return fit(project, [[0, 0], size], object); - }; -} - -function fitExtent(project) { - return function(extent, object) { - return fit(project, extent, object); - }; +function fitSize(projection, size, object) { + return fitExtent(projection, [[0, 0], size], object); } var maxDepth = 16; @@ -15346,10 +15377,10 @@ var cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) var resample = function(project, delta2) { return +delta2 ? resample$1(project, delta2) : resampleNone(project); -} +}; function resampleNone(project) { - return transform$2({ + return transformer({ point: function(x, y) { x = project(x, y); this.stream.point(x[0], x[1]); @@ -15440,7 +15471,7 @@ function resample$1(project, delta2) { }; } -var transformRadians = transform$2({ +var transformRadians = transformer({ point: function(x, y) { this.stream.point(x * radians, y * radians); } @@ -15508,9 +15539,13 @@ function projectionMutator(projectAt) { return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt$1(delta2); }; - projection.fitExtent = fitExtent(projection); + projection.fitExtent = function(extent, object) { + return fitExtent(projection, extent, object); + }; - projection.fitSize = fitSize(projection); + projection.fitSize = function(size, object) { + return fitSize(projection, size, object); + }; function recenter() { projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); @@ -15545,11 +15580,27 @@ function conicProjection(projectAt) { return p; } +function cylindricalEqualAreaRaw(phi0) { + var cosPhi0 = cos$1(phi0); + + function forward(lambda, phi) { + return [lambda * cosPhi0, sin$1(phi) / cosPhi0]; + } + + forward.invert = function(x, y) { + return [x / cosPhi0, asin$1(y * cosPhi0)]; + }; + + return forward; +} + function conicEqualAreaRaw(y0, y1) { - var sy0 = sin$1(y0), - n = (sy0 + sin$1(y1)) / 2, - c = 1 + sy0 * (2 * n - sy0), - r0 = sqrt$1(c) / n; + var sy0 = sin$1(y0), n = (sy0 + sin$1(y1)) / 2; + + // Are the parallels symmetrical around the Equator? + if (abs(n) < epsilon$4) return cylindricalEqualAreaRaw(y0); + + var c = 1 + sy0 * (2 * n - sy0), r0 = sqrt$1(c) / n; function project(x, y) { var r = sqrt$1(c - 2 * n * sin$1(y)) / n; @@ -15558,7 +15609,7 @@ function conicEqualAreaRaw(y0, y1) { project.invert = function(x, y) { var r0y = r0 - y; - return [atan2(x, r0y) / n, asin$1((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; + return [atan2(x, abs(r0y)) / n * sign$1(r0y), asin$1((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; }; return project; @@ -15568,7 +15619,7 @@ var conicEqualArea = function() { return conicProjection(conicEqualAreaRaw) .scale(155.424) .center([0, 33.6442]); -} +}; var albers = function() { return conicEqualArea() @@ -15577,7 +15628,7 @@ var albers = function() { .translate([480, 250]) .rotate([96, 0]) .center([-0.6, 38.7]); -} +}; // The projections must have mutually exclusive clip regions on the sphere, // as this will avoid emitting interleaving lines and polygons. @@ -15662,9 +15713,13 @@ var albersUsa = function() { return reset(); }; - albersUsa.fitExtent = fitExtent(albersUsa); + albersUsa.fitExtent = function(extent, object) { + return fitExtent(albersUsa, extent, object); + }; - albersUsa.fitSize = fitSize(albersUsa); + albersUsa.fitSize = function(size, object) { + return fitSize(albersUsa, size, object); + }; function reset() { cache = cacheStream = null; @@ -15672,7 +15727,7 @@ var albersUsa = function() { } return albersUsa.scale(1070); -} +}; function azimuthalRaw(scale) { return function(x, y) { @@ -15711,7 +15766,7 @@ var azimuthalEqualArea = function() { return projection(azimuthalEqualAreaRaw) .scale(124.75) .clipAngle(180 - 1e-3); -} +}; var azimuthalEquidistantRaw = azimuthalRaw(function(c) { return (c = acos(c)) && c / sin$1(c); @@ -15725,7 +15780,7 @@ var azimuthalEquidistant = function() { return projection(azimuthalEquidistantRaw) .scale(79.4188) .clipAngle(180 - 1e-3); -} +}; function mercatorRaw(lambda, phi) { return [lambda, log$1(tan((halfPi$3 + phi) / 2))]; @@ -15738,7 +15793,7 @@ mercatorRaw.invert = function(x, y) { var mercator = function() { return mercatorProjection(mercatorRaw) .scale(961 / tau$4); -} +}; function mercatorProjection(project) { var m = projection(project), @@ -15789,7 +15844,7 @@ function conicConformalRaw(y0, y1) { project.invert = function(x, y) { var fy = f - y, r = sign$1(n) * sqrt$1(x * x + fy * fy); - return [atan2(x, fy) / n, 2 * atan(pow$1(f / r, 1 / n)) - halfPi$3]; + return [atan2(x, abs(fy)) / n * sign$1(fy), 2 * atan(pow$1(f / r, 1 / n)) - halfPi$3]; }; return project; @@ -15799,7 +15854,7 @@ var conicConformal = function() { return conicProjection(conicConformalRaw) .scale(109.5) .parallels([30, 30]); -} +}; function equirectangularRaw(lambda, phi) { return [lambda, phi]; @@ -15810,7 +15865,7 @@ equirectangularRaw.invert = equirectangularRaw; var equirectangular = function() { return projection(equirectangularRaw) .scale(152.63); -} +}; function conicEquidistantRaw(y0, y1) { var cy0 = cos$1(y0), @@ -15826,7 +15881,7 @@ function conicEquidistantRaw(y0, y1) { project.invert = function(x, y) { var gy = g - y; - return [atan2(x, gy) / n, g - sign$1(n) * sqrt$1(x * x + gy * gy)]; + return [atan2(x, abs(gy)) / n * sign$1(gy), g - sign$1(n) * sqrt$1(x * x + gy * gy)]; }; return project; @@ -15836,7 +15891,7 @@ var conicEquidistant = function() { return conicProjection(conicEquidistantRaw) .scale(131.154) .center([0, 13.9389]); -} +}; function gnomonicRaw(x, y) { var cy = cos$1(y), k = cos$1(x) * cy; @@ -15849,8 +15904,50 @@ var gnomonic = function() { return projection(gnomonicRaw) .scale(144.049) .clipAngle(60); +}; + +function scaleTranslate(k, tx, ty) { + return k === 1 && tx === 0 && ty === 0 ? identity$7 : transformer({ + point: function(x, y) { + this.stream.point(x * k + tx, y * k + ty); + } + }); } +var identity$8 = function() { + var k = 1, tx = 0, ty = 0, transform = identity$7, // scale and translate + x0 = null, y0, x1, y1, clip = identity$7, // clip extent + cache, + cacheStream, + projection; + + function reset() { + cache = cacheStream = null; + return projection; + } + + return projection = { + stream: function(stream) { + return cache && cacheStream === stream ? cache : cache = transform(clip(cacheStream = stream)); + }, + clipExtent: function(_) { + return arguments.length ? (clip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$7) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + }, + scale: function(_) { + return arguments.length ? (transform = scaleTranslate(k = +_, tx, ty), reset()) : k; + }, + translate: function(_) { + return arguments.length ? (transform = scaleTranslate(k, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; + }, + fitExtent: function(extent, object) { + return fitExtent(projection, extent, object); + }, + fitSize: function(size, object) { + return fitSize(projection, size, object); + } + }; +}; + function orthographicRaw(x, y) { return [cos$1(y) * sin$1(x), sin$1(y)]; } @@ -15861,7 +15958,7 @@ var orthographic = function() { return projection(orthographicRaw) .scale(249.5) .clipAngle(90 + epsilon$4); -} +}; function stereographicRaw(x, y) { var cy = cos$1(y), k = 1 + cos$1(x) * cy; @@ -15876,7 +15973,7 @@ var stereographic = function() { return projection(stereographicRaw) .scale(250) .clipAngle(142); -} +}; function transverseMercatorRaw(lambda, phi) { return [log$1(tan((halfPi$3 + phi) / 2)), -lambda]; @@ -15901,7 +15998,7 @@ var transverseMercator = function() { return rotate([0, 0, 90]) .scale(159.155); -} +}; exports.version = version; exports.bisect = bisectRight; @@ -16262,6 +16359,8 @@ exports.geoEquirectangularRaw = equirectangularRaw; exports.geoGnomonic = gnomonic; exports.geoGnomonicRaw = gnomonicRaw; exports.geoGraticule = graticule; +exports.geoGraticule10 = graticule10; +exports.geoIdentity = identity$8; exports.geoInterpolate = interpolate$2; exports.geoLength = length$2; exports.geoMercator = mercator; diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index 710db59..6a78c32 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.2.6. 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\ No newline at end of file diff --git a/app/assets/javascripts/d3.v4.js b/app/assets/javascripts/d3.v4.js index 2399909..acc598c 100644 --- a/app/assets/javascripts/d3.v4.js +++ b/app/assets/javascripts/d3.v4.js @@ -1,15 +1,15 @@ -// https://d3js.org Version 4.2.6. Copyright 2016 Mike Bostock. +// https://d3js.org Version 4.3.0. Copyright 2016 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "4.2.6"; +var version = "4.3.0"; var ascending = function(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; -} +}; var bisector = function(compare) { if (compare.length === 1) compare = ascendingComparator(compare); @@ -35,7 +35,7 @@ var bisector = function(compare) { return lo; } }; -} +}; function ascendingComparator(f) { return function(d, x) { @@ -49,11 +49,11 @@ var bisectLeft = ascendingBisect.left; var descending = function(a, b) { return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; -} +}; var number = function(x) { return x === null ? NaN : +x; -} +}; var variance = function(array, f) { var n = array.length, @@ -85,12 +85,12 @@ var variance = function(array, f) { } if (j > 1) return s / (j - 1); -} +}; var deviation = function(array, f) { var v = variance(array, f); return v ? Math.sqrt(v) : v; -} +}; var extent = function(array, f) { var i = -1, @@ -116,7 +116,7 @@ var extent = function(array, f) { } return [a, c]; -} +}; var array = Array.prototype; @@ -127,11 +127,11 @@ var constant$1 = function(x) { return function() { return x; }; -} +}; var identity = function(x) { return x; -} +}; var range = function(start, stop, step) { start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; @@ -145,7 +145,7 @@ var range = function(start, stop, step) { } return range; -} +}; var e10 = Math.sqrt(50); var e5 = Math.sqrt(10); @@ -158,7 +158,7 @@ var ticks = function(start, stop, count) { Math.floor(stop / step) * step + step / 2, // inclusive step ); -} +}; function tickStep(start, stop, count) { var step0 = Math.abs(stop - start) / Math.max(0, count), @@ -172,7 +172,7 @@ function tickStep(start, stop, count) { var sturges = function(values) { return Math.ceil(Math.log(values.length) / Math.LN2) + 1; -} +}; var histogram = function() { var value = identity, @@ -236,7 +236,7 @@ var histogram = function() { }; return histogram; -} +}; var threshold = function(array, p, f) { if (f == null) f = number; @@ -249,16 +249,16 @@ var threshold = function(array, p, f) { a = +f(array[i], i, array), b = +f(array[i + 1], i + 1, array); return a + (b - a) * (h - i); -} +}; var freedmanDiaconis = function(values, min, max) { values = map.call(values, number).sort(ascending); return Math.ceil((max - min) / (2 * (threshold(values, 0.75) - threshold(values, 0.25)) * Math.pow(values.length, -1 / 3))); -} +}; var scott = function(values, min, max) { return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3))); -} +}; var max = function(array, f) { var i = -1, @@ -277,7 +277,7 @@ var max = function(array, f) { } return a; -} +}; var mean = function(array, f) { var s = 0, @@ -295,7 +295,7 @@ var mean = function(array, f) { } if (j) return s / j; -} +}; var median = function(array, f) { var numbers = [], @@ -312,7 +312,7 @@ var median = function(array, f) { } return threshold(numbers.sort(ascending), 0.5); -} +}; var merge = function(arrays) { var n = arrays.length, @@ -334,7 +334,7 @@ var merge = function(arrays) { } return merged; -} +}; var min = function(array, f) { var i = -1, @@ -353,19 +353,19 @@ var min = function(array, f) { } return a; -} +}; var pairs = function(array) { var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n); while (i < n) pairs[i] = [p, p = array[++i]]; return pairs; -} +}; var permute = function(array, indexes) { var i = indexes.length, permutes = new Array(i); while (i--) permutes[i] = array[indexes[i]]; return permutes; -} +}; var scan = function(array, compare) { if (!(n = array.length)) return; @@ -380,7 +380,7 @@ var scan = function(array, compare) { while (++i < n) if (compare(xi = array[i], xj) < 0 || compare(xj, xj) !== 0) xj = xi, j = i; if (compare(xj, xj) === 0) return j; -} +}; var shuffle = function(array, i0, i1) { var m = (i1 == null ? array.length : i1) - (i0 = i0 == null ? 0 : +i0), @@ -395,7 +395,7 @@ var shuffle = function(array, i0, i1) { } return array; -} +}; var sum = function(array, f) { var s = 0, @@ -412,7 +412,7 @@ var sum = function(array, f) { } return s; -} +}; var transpose = function(matrix) { if (!(n = matrix.length)) return []; @@ -422,7 +422,7 @@ var transpose = function(matrix) { } } return transpose; -} +}; function length(d) { return d.length; @@ -430,7 +430,7 @@ function length(d) { var zip = function() { return transpose(arguments); -} +}; var prefix = "$"; @@ -560,7 +560,7 @@ var nest = function() { sortValues: function(order) { sortValues = order; return nest; }, rollup: function(f) { rollup = f; return nest; } }; -} +}; function createObject() { return {}; @@ -618,19 +618,19 @@ var keys = function(map) { var keys = []; for (var key in map) keys.push(key); return keys; -} +}; var values = function(map) { var values = []; for (var key in map) values.push(map[key]); return values; -} +}; var entries = function(map) { var entries = []; for (var key in map) entries.push({key: key, value: map[key]}); return entries; -} +}; var uniform = function(min, max) { min = min == null ? 0 : +min; @@ -640,7 +640,7 @@ var uniform = function(min, max) { return function() { return Math.random() * max + min; }; -} +}; var normal = function(mu, sigma) { var x, r; @@ -661,34 +661,34 @@ var normal = function(mu, sigma) { return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); }; -} +}; var logNormal = function() { var randomNormal = normal.apply(this, arguments); return function() { return Math.exp(randomNormal()); }; -} +}; var irwinHall = function(n) { return function() { for (var sum = 0, i = 0; i < n; ++i) sum += Math.random(); return sum; }; -} +}; var bates = function(n) { var randomIrwinHall = irwinHall(n); return function() { return randomIrwinHall() / n; }; -} +}; var exponential = function(lambda) { return function() { return -Math.log(1 - Math.random()) / lambda; }; -} +}; function linear(t) { return +t; @@ -915,7 +915,7 @@ var area = function(polygon) { } return area / 2; -} +}; var centroid = function(polygon) { var i = -1, @@ -936,7 +936,7 @@ var centroid = function(polygon) { } return k *= 3, [x / k, y / k]; -} +}; // Returns the 2D cross product of AB and AC vectors, i.e., the z-component of // the 3D cross product in a quadrant I Cartesian coordinate system (+x is @@ -944,7 +944,7 @@ var centroid = function(polygon) { // negative if clockwise, and zero if the points are collinear. var cross = function(a, b, c) { return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); -} +}; function lexicographicOrder(a, b) { return a[0] - b[0] || a[1] - b[1]; @@ -992,7 +992,7 @@ var hull = function(points) { for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]); return hull; -} +}; var contains = function(polygon, point) { var n = polygon.length, @@ -1009,7 +1009,7 @@ var contains = function(polygon, point) { } return inside; -} +}; var length$1 = function(polygon) { var i = -1, @@ -1033,7 +1033,7 @@ var length$1 = function(polygon) { } return perimeter; -} +}; var pi$1 = Math.PI; var tau$1 = 2 * pi$1; @@ -1183,7 +1183,7 @@ var tree_add = function(d) { var x = +this._x.call(null, d), y = +this._y.call(null, d); return add(this.cover(x, y), x, y, d); -} +}; function add(tree, x, y, d) { if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points @@ -1322,7 +1322,7 @@ var tree_cover = function(x, y) { this._x1 = x1; this._y1 = y1; return this; -} +}; var tree_data = function() { var data = []; @@ -1330,13 +1330,13 @@ var tree_data = function() { if (!node.length) do data.push(node.data); while (node = node.next) }); return data; -} +}; var tree_extent = function(_) { return arguments.length ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; -} +}; var Quad = function(node, x0, y0, x1, y1) { this.node = node; @@ -1344,7 +1344,7 @@ var Quad = function(node, x0, y0, x1, y1) { this.y0 = y0; this.x1 = x1; this.y1 = y1; -} +}; var tree_find = function(x, y, radius) { var data, @@ -1413,7 +1413,7 @@ var tree_find = function(x, y, radius) { } return data; -} +}; var tree_remove = function(d) { if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points @@ -1471,7 +1471,7 @@ var tree_remove = function(d) { } return this; -} +}; function removeAll(data) { for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); @@ -1480,7 +1480,7 @@ function removeAll(data) { var tree_root = function() { return this._root; -} +}; var tree_size = function() { var size = 0; @@ -1488,7 +1488,7 @@ var tree_size = function() { if (!node.length) do ++size; while (node = node.next) }); return size; -} +}; var tree_visit = function(callback) { var quads = [], q, node = this._root, child, x0, y0, x1, y1; @@ -1503,7 +1503,7 @@ var tree_visit = function(callback) { } } return this; -} +}; var tree_visitAfter = function(callback) { var quads = [], next = [], q; @@ -1523,7 +1523,7 @@ var tree_visitAfter = function(callback) { callback(q.node, q.x0, q.y0, q.x1, q.y1); } return this; -} +}; function defaultX(d) { return d[0]; @@ -1531,7 +1531,7 @@ function defaultX(d) { var tree_x = function(_) { return arguments.length ? (this._x = _, this) : this._x; -} +}; function defaultY(d) { return d[1]; @@ -1539,7 +1539,7 @@ function defaultY(d) { var tree_y = function(_) { return arguments.length ? (this._y = _, this) : this._y; -} +}; function quadtree(nodes, x, y) { var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); @@ -1724,7 +1724,7 @@ var constant$2 = function(x) { return function constant() { return x; }; -} +}; var epsilon$1 = 1e-12; var pi$2 = Math.PI; @@ -1989,7 +1989,7 @@ var arc = function() { }; return arc; -} +}; function Linear(context) { this._context = context; @@ -2021,7 +2021,7 @@ Linear.prototype = { var curveLinear = function(context) { return new Linear(context); -} +}; function x(p) { return p[0]; @@ -2080,7 +2080,7 @@ var line = function() { }; return line; -} +}; var area$1 = function() { var x0 = x, @@ -2184,15 +2184,15 @@ var area$1 = function() { }; return area; -} +}; var descending$1 = function(a, b) { return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; -} +}; var identity$1 = function(d) { return d; -} +}; var pie = function() { var value = identity$1, @@ -2267,7 +2267,7 @@ var pie = function() { }; return pie; -} +}; var curveRadialLinear = curveRadial(curveLinear); @@ -2319,7 +2319,7 @@ function radialLine(l) { var radialLine$1 = function() { return radialLine(line().curve(curveRadialLinear)); -} +}; var radialArea = function() { var a = area$1().curve(curveRadialLinear), @@ -2345,7 +2345,7 @@ var radialArea = function() { }; return a; -} +}; var circle = { draw: function(context, size) { @@ -2494,9 +2494,9 @@ var symbol = function() { }; return symbol; -} +}; -var noop = function() {} +var noop = function() {}; function point(that, x, y) { that._context.bezierCurveTo( @@ -2548,7 +2548,7 @@ Basis.prototype = { var basis = function(context) { return new Basis(context); -} +}; function BasisClosed(context) { this._context = context; @@ -2598,7 +2598,7 @@ BasisClosed.prototype = { var basisClosed = function(context) { return new BasisClosed(context); -} +}; function BasisOpen(context) { this._context = context; @@ -2636,7 +2636,7 @@ BasisOpen.prototype = { var basisOpen = function(context) { return new BasisOpen(context); -} +}; function Bundle(context, beta) { this._basis = new Basis(context); @@ -3101,7 +3101,7 @@ LinearClosed.prototype = { var linearClosed = function(context) { return new LinearClosed(context); -} +}; function sign(x) { return x < 0 ? -1 : 1; @@ -3179,7 +3179,7 @@ MonotoneX.prototype = { this._y0 = this._y1, this._y1 = y; this._t0 = t1; } -} +}; function MonotoneY(context) { this._context = new ReflectContext(context); @@ -3272,7 +3272,7 @@ function controlPoints(x) { var natural = function(context) { return new Natural(context); -} +}; function Step(context, t) { this._context = context; @@ -3318,7 +3318,7 @@ Step.prototype = { var step = function(context) { return new Step(context, 0.5); -} +}; function stepBefore(context) { return new Step(context, 0); @@ -3338,13 +3338,13 @@ var none = function(series, order) { s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; } } -} +}; var none$1 = function(series) { var n = series.length, o = new Array(n); while (--n >= 0) o[n] = n; return o; -} +}; function stackValue(d, key) { return d[key]; @@ -3397,7 +3397,7 @@ var stack = function() { }; return stack; -} +}; var expand = function(series, order) { if (!((n = series.length) > 0)) return; @@ -3406,7 +3406,7 @@ var expand = function(series, order) { if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; } none(series, order); -} +}; var silhouette = function(series, order) { if (!((n = series.length) > 0)) return; @@ -3415,7 +3415,7 @@ var silhouette = function(series, order) { s0[j][1] += s0[j][0] = -y / 2; } none(series, order); -} +}; var wiggle = function(series, order) { if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; @@ -3438,12 +3438,12 @@ var wiggle = function(series, order) { } s0[j - 1][1] += s0[j - 1][0] = y; none(series, order); -} +}; var ascending$1 = function(series) { var sums = series.map(sum$1); return none$1(series).sort(function(a, b) { return sums[a] - sums[b]; }); -} +}; function sum$1(series) { var s = 0, i = -1, n = series.length, v; @@ -3453,7 +3453,7 @@ function sum$1(series) { var descending$2 = function(series) { return ascending$1(series).reverse(); -} +}; var insideOut = function(series) { var n = series.length, @@ -3478,16 +3478,16 @@ var insideOut = function(series) { } return bottoms.reverse().concat(tops); -} +}; var reverse = function(series) { return none$1(series).reverse(); -} +}; var define = function(constructor, factory, prototype) { constructor.prototype = factory.prototype = prototype; prototype.constructor = constructor; -} +}; function extend(parent, definition) { var prototype = Object.create(parent.prototype); @@ -4005,7 +4005,7 @@ var basis$2 = function(values) { v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; return basis$1((t - i / n) * n, v0, v1, v2, v3); }; -} +}; var basisClosed$1 = function(values) { var n = values.length; @@ -4017,13 +4017,13 @@ var basisClosed$1 = function(values) { v3 = values[(i + 2) % n]; return basis$1((t - i / n) * n, v0, v1, v2, v3); }; -} +}; var constant$3 = function(x) { return function() { return x; }; -} +}; function linear$1(a, d) { return function(t) { @@ -4118,20 +4118,20 @@ var array$1 = function(a, b) { for (i = 0; i < na; ++i) c[i] = x[i](t); return c; }; -} +}; var date = function(a, b) { var d = new Date; return a = +a, b -= a, function(t) { return d.setTime(a + b * t), d; }; -} +}; var interpolateNumber = function(a, b) { return a = +a, b -= a, function(t) { return a + b * t; }; -} +}; var object = function(a, b) { var i = {}, @@ -4153,7 +4153,7 @@ var object = function(a, b) { for (k in i) c[k] = i[k](t); return c; }; -} +}; var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; var reB = new RegExp(reA.source, "g"); @@ -4216,7 +4216,7 @@ var interpolateString = function(a, b) { for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); return s.join(""); }); -} +}; var interpolate = function(a, b) { var t = typeof b, c; @@ -4228,13 +4228,13 @@ var interpolate = function(a, b) { : Array.isArray(b) ? array$1 : isNaN(b) ? object : interpolateNumber)(a, b); -} +}; var interpolateRound = function(a, b) { return a = +a, b -= a, function(t) { return Math.round(a + b * t); }; -} +}; var degrees = 180 / Math.PI; @@ -4261,7 +4261,7 @@ var decompose = function(a, b, c, d, e, f) { scaleX: scaleX, scaleY: scaleY }; -} +}; var cssNode; var cssRoot; @@ -4385,7 +4385,7 @@ var interpolateZoom = function(p0, p1) { uy0 + t * dy, w0 * Math.exp(rho * t * S) ]; - } + }; } // General case. @@ -4405,13 +4405,13 @@ var interpolateZoom = function(p0, p1) { uy0 + u * dy, w0 * coshr0 / cosh(rho * s + r0) ]; - } + }; } i.duration = S * 1000; return i; -} +}; function hsl$1(hue$$1) { return function(start, end) { @@ -4496,7 +4496,7 @@ var quantize = function(interpolator, n) { var samples = new Array(n); for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); return samples; -} +}; var noop$1 = {value: function() {}}; @@ -4714,7 +4714,7 @@ var dsv = function(delimiter) { format: format, formatRows: formatRows }; -} +}; var csv = dsv(","); @@ -4864,7 +4864,7 @@ var request = function(url, callback) { } return request; -} +}; function fixCallback(callback) { return function(error, xhr) { @@ -4888,7 +4888,7 @@ var type = function(defaultMimeType, response) { } return r; }; -} +}; var html = type("text/html", function(xhr) { return document.createRange().createContextualFragment(xhr.responseText); @@ -4916,7 +4916,7 @@ var dsv$1 = function(defaultMimeType, parse) { r.row(row); return callback ? r.get(callback) : r; }; -} +}; function responseOf(parse, row) { return function(request$$1) { @@ -5047,7 +5047,7 @@ var timeout$1 = function(callback, delay, time) { callback(elapsed + delay); }, delay, time); return t; -} +}; var interval$1 = function(callback, delay, time) { var t = new Timer, total = delay; @@ -5059,7 +5059,7 @@ var interval$1 = function(callback, delay, time) { callback(elapsed); }, delay, time); return t; -} +}; var t0$1 = new Date; var t1$1 = new Date; @@ -5380,11 +5380,11 @@ var formatDecimal = function(x, p) { coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, +x.slice(i + 1) ]; -} +}; var exponent$1 = function(x) { return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; -} +}; var formatGroup = function(grouping, thousands) { return function(value, width) { @@ -5403,7 +5403,7 @@ var formatGroup = function(grouping, thousands) { return t.reverse().join(thousands); }; -} +}; var formatDefault = function(x, p) { x = x.toPrecision(p); @@ -5418,7 +5418,7 @@ var formatDefault = function(x, p) { } return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x; -} +}; var prefixExponent; @@ -5433,7 +5433,7 @@ var formatPrefixAuto = function(x, p) { : i > n ? coefficient + new Array(i - n + 1).join("0") : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y! -} +}; var formatRounded = function(x, p) { var d = formatDecimal(x, p); @@ -5443,7 +5443,7 @@ var formatRounded = function(x, p) { return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) : coefficient + new Array(exponent - coefficient.length + 2).join("0"); -} +}; var formatTypes = { "": formatDefault, @@ -5467,7 +5467,7 @@ var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i var formatSpecifier = function(specifier) { return new FormatSpecifier(specifier); -} +}; function FormatSpecifier(specifier) { if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); @@ -5649,7 +5649,7 @@ var formatLocale = function(locale) { format: newFormat, formatPrefix: formatPrefix }; -} +}; var locale$1; @@ -5671,16 +5671,16 @@ function defaultLocale(definition) { var precisionFixed = function(step) { return Math.max(0, -exponent$1(Math.abs(step))); -} +}; var precisionPrefix = function(step, value) { return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step))); -} +}; var precisionRound = function(step, max) { step = Math.abs(step), max = Math.abs(max) - step; return Math.max(0, exponent$1(max) - exponent$1(step)) + 1; -} +}; function localDate(d) { if (0 <= d.y && d.y < 100) { @@ -6407,11 +6407,11 @@ var constant$4 = function(x) { return function() { return x; }; -} +}; var number$1 = function(x) { return +x; -} +}; var unit = [0, 1]; @@ -6548,7 +6548,7 @@ var tickFormat = function(domain, count, specifier) { } } return exports.format(specifier); -} +}; function linearish(scale) { var domain = scale.domain; @@ -6630,7 +6630,7 @@ var nice = function(domain, interval) { domain[i0] = interval.floor(x0); domain[i1] = interval.ceil(x1); return domain; -} +}; function deinterpolate(a, b) { return (b = Math.log(b / a)) @@ -7039,17 +7039,17 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 var time = function() { return calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]); -} +}; var utcTime = function() { return calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); -} +}; var colors = function(s) { return s.match(/.{6}/g).map(function(x) { return "#" + x; }); -} +}; var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); @@ -7074,7 +7074,7 @@ var rainbow$1 = function(t) { rainbow.s = 1.5 - 1.5 * ts; rainbow.l = 0.8 - 0.9 * ts; return rainbow + ""; -} +}; function ramp(range) { var n = range.length; @@ -7134,7 +7134,7 @@ var namespace = function(name) { var prefix = name += "", i = prefix.indexOf(":"); if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; -} +}; function creatorInherit(name) { return function() { @@ -7157,7 +7157,7 @@ var creator = function(name) { return (fullname.local ? creatorFixed : creatorInherit)(fullname); -} +}; var nextId = 0; @@ -7305,7 +7305,7 @@ var selection_on = function(typename, value, capture) { if (capture == null) capture = false; for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); return this; -} +}; function customEvent(event1, listener, that, args) { var event0 = exports.event; @@ -7322,7 +7322,7 @@ var sourceEvent = function() { var current = exports.event, source; while (source = current.sourceEvent) current = source; return current; -} +}; var point$5 = function(node, event) { var svg = node.ownerSVGElement || node; @@ -7336,13 +7336,13 @@ var point$5 = function(node, event) { var rect = node.getBoundingClientRect(); return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; -} +}; var mouse = function(node) { var event = sourceEvent(); if (event.changedTouches) event = event.changedTouches[0]; return point$5(node, event); -} +}; function none$2() {} @@ -7350,7 +7350,7 @@ var selector = function(selector) { return selector == null ? none$2 : function() { return this.querySelector(selector); }; -} +}; var selection_select = function(select) { if (typeof select !== "function") select = selector(select); @@ -7365,7 +7365,7 @@ var selection_select = function(select) { } return new Selection(subgroups, this._parents); -} +}; function empty() { return []; @@ -7375,7 +7375,7 @@ var selectorAll = function(selector) { return selector == null ? empty : function() { return this.querySelectorAll(selector); }; -} +}; var selection_selectAll = function(select) { if (typeof select !== "function") select = selectorAll(select); @@ -7390,7 +7390,7 @@ var selection_selectAll = function(select) { } return new Selection(subgroups, parents); -} +}; var selection_filter = function(match) { if (typeof match !== "function") match = matcher$1(match); @@ -7404,15 +7404,15 @@ var selection_filter = function(match) { } return new Selection(subgroups, this._parents); -} +}; var sparse = function(update) { return new Array(update.length); -} +}; var selection_enter = function() { return new Selection(this._enter || this._groups.map(sparse), this._parents); -} +}; function EnterNode(parent, datum) { this.ownerDocument = parent.ownerDocument; @@ -7434,7 +7434,7 @@ var constant$5 = function(x) { return function() { return x; }; -} +}; var keyPrefix = "$"; // Protect against keys like “__proto__”. @@ -7549,11 +7549,11 @@ var selection_data = function(value, key) { update._enter = enter; update._exit = exit; return update; -} +}; var selection_exit = function() { return new Selection(this._exit || this._groups.map(sparse), this._parents); -} +}; var selection_merge = function(selection) { @@ -7570,7 +7570,7 @@ var selection_merge = function(selection) { } return new Selection(merges, this._parents); -} +}; var selection_order = function() { @@ -7584,7 +7584,7 @@ var selection_order = function() { } return this; -} +}; var selection_sort = function(compare) { if (!compare) compare = ascending$2; @@ -7603,7 +7603,7 @@ var selection_sort = function(compare) { } return new Selection(sortgroups, this._parents).order(); -} +}; function ascending$2(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -7614,13 +7614,13 @@ var selection_call = function() { arguments[0] = this; callback.apply(null, arguments); return this; -} +}; var selection_nodes = function() { var nodes = new Array(this.size()), i = -1; this.each(function() { nodes[++i] = this; }); return nodes; -} +}; var selection_node = function() { @@ -7632,17 +7632,17 @@ var selection_node = function() { } return null; -} +}; var selection_size = function() { var size = 0; this.each(function() { ++size; }); return size; -} +}; var selection_empty = function() { return !this.node(); -} +}; var selection_each = function(callback) { @@ -7653,7 +7653,7 @@ var selection_each = function(callback) { } return this; -} +}; function attrRemove(name) { return function() { @@ -7709,13 +7709,13 @@ var selection_attr = function(name, value) { ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" ? (fullname.local ? attrFunctionNS : attrFunction) : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); -} +}; var window = function(node) { return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node || (node.document && node) // node is a Window || node.defaultView; // node is a Document -} +}; function styleRemove(name) { return function() { @@ -7747,7 +7747,7 @@ var selection_style = function(name, value, priority) { : window(node = this.node()) .getComputedStyle(node, null) .getPropertyValue(name); -} +}; function propertyRemove(name) { return function() { @@ -7776,7 +7776,7 @@ var selection_property = function(name, value) { ? propertyFunction : propertyConstant)(name, value)) : this.node()[name]; -} +}; function classArray(string) { return string.trim().split(/^|\s+/); @@ -7852,7 +7852,7 @@ var selection_classed = function(name, value) { ? classedFunction : value ? classedTrue : classedFalse)(names, value)); -} +}; function textRemove() { this.textContent = ""; @@ -7878,7 +7878,7 @@ var selection_text = function(value) { ? textFunction : textConstant)(value)) : this.node().textContent; -} +}; function htmlRemove() { this.innerHTML = ""; @@ -7904,7 +7904,7 @@ var selection_html = function(value) { ? htmlFunction : htmlConstant)(value)) : this.node().innerHTML; -} +}; function raise$1() { if (this.nextSibling) this.parentNode.appendChild(this); @@ -7912,7 +7912,7 @@ function raise$1() { var selection_raise = function() { return this.each(raise$1); -} +}; function lower() { if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); @@ -7920,14 +7920,14 @@ function lower() { var selection_lower = function() { return this.each(lower); -} +}; var selection_append = function(name) { var create = typeof name === "function" ? name : creator(name); return this.select(function() { return this.appendChild(create.apply(this, arguments)); }); -} +}; function constantNull() { return null; @@ -7939,7 +7939,7 @@ var selection_insert = function(name, before) { return this.select(function() { return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); }); -} +}; function remove() { var parent = this.parentNode; @@ -7948,13 +7948,13 @@ function remove() { var selection_remove = function() { return this.each(remove); -} +}; var selection_datum = function(value) { return arguments.length ? this.property("__data__", value) : this.node().__data__; -} +}; function dispatchEvent(node, type, params) { var window$$1 = window(node), @@ -7987,7 +7987,7 @@ var selection_dispatch = function(type, params) { return this.each((typeof params === "function" ? dispatchFunction : dispatchConstant)(type, params)); -} +}; var root = [null]; @@ -8037,13 +8037,13 @@ var select = function(selector) { return typeof selector === "string" ? new Selection([[document.querySelector(selector)]], [document.documentElement]) : new Selection([[selector]], root); -} +}; var selectAll = function(selector) { return typeof selector === "string" ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) : new Selection([selector == null ? [] : selector], root); -} +}; var touch = function(node, touches, identifier) { if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; @@ -8055,7 +8055,7 @@ var touch = function(node, touches, identifier) { } return null; -} +}; var touches = function(node, touches) { if (touches == null) touches = sourceEvent().touches; @@ -8065,7 +8065,7 @@ var touches = function(node, touches) { } return points; -} +}; var emptyOn = dispatch("start", "end", "interrupt"); var emptyTween = []; @@ -8095,7 +8095,7 @@ var schedule = function(node, name, id, index, group, timing) { timer: null, state: CREATED }); -} +}; function init(node, id) { var schedule = node.__transition; @@ -8233,7 +8233,7 @@ var interrupt = function(node, name) { for (i in schedules) { if ((schedule = schedules[i]).name !== name) { empty = false; continue; } - active = schedule.state === STARTED; + active = schedule.state > STARTING && schedule.state < ENDING; schedule.state = ENDED; schedule.timer.stop(); if (active) schedule.on.call("interrupt", node, node.__data__, schedule.index, schedule.group); @@ -8241,13 +8241,13 @@ var interrupt = function(node, name) { } if (empty) delete node.__transition; -} +}; var selection_interrupt = function(name) { return this.each(function() { interrupt(this, name); }); -} +}; function tweenRemove(id, name) { var tween0, tween1; @@ -8314,7 +8314,7 @@ var transition_tween = function(name, value) { } return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); -} +}; function tweenValue(transition, name, value) { var id = transition._id; @@ -8335,7 +8335,7 @@ var interpolate$1 = function(a, b) { : b instanceof color ? interpolateRgb : (c = color(b)) ? (b = c, interpolateRgb) : interpolateString)(a, b); -} +}; function attrRemove$1(name) { return function() { @@ -8405,7 +8405,7 @@ var transition_attr = function(name, value) { ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); -} +}; function attrTweenNS(fullname, value) { function tween() { @@ -8436,7 +8436,7 @@ var transition_attrTween = function(name, value) { if (typeof value !== "function") throw new Error; var fullname = namespace(name); return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value)); -} +}; function delayFunction(id, value) { return function() { @@ -8458,7 +8458,7 @@ var transition_delay = function(value) { ? delayFunction : delayConstant)(id, value)) : get$1(this.node(), id).delay; -} +}; function durationFunction(id, value) { return function() { @@ -8480,7 +8480,7 @@ var transition_duration = function(value) { ? durationFunction : durationConstant)(id, value)) : get$1(this.node(), id).duration; -} +}; function easeConstant(id, value) { if (typeof value !== "function") throw new Error; @@ -8495,7 +8495,7 @@ var transition_ease = function(value) { return arguments.length ? this.each(easeConstant(id, value)) : get$1(this.node(), id).ease; -} +}; var transition_filter = function(match) { if (typeof match !== "function") match = matcher$1(match); @@ -8509,7 +8509,7 @@ var transition_filter = function(match) { } return new Transition(subgroups, this._parents, this._name, this._id); -} +}; var transition_merge = function(transition) { if (transition._id !== this._id) throw new Error; @@ -8527,7 +8527,7 @@ var transition_merge = function(transition) { } return new Transition(merges, this._parents, this._name, this._id); -} +}; function start$1(name) { return (name + "").trim().split(/^|\s+/).every(function(t) { @@ -8558,7 +8558,7 @@ var transition_on = function(name, listener) { return arguments.length < 2 ? get$1(this.node(), id).on.on(name) : this.each(onFunction(id, name, listener)); -} +}; function removeFunction(id) { return function() { @@ -8570,7 +8570,7 @@ function removeFunction(id) { var transition_remove = function() { return this.on("end.remove", removeFunction(this._id)); -} +}; var transition_select = function(select$$1) { var name = this._name, @@ -8589,7 +8589,7 @@ var transition_select = function(select$$1) { } return new Transition(subgroups, this._parents, name, id); -} +}; var transition_selectAll = function(select$$1) { var name = this._name, @@ -8612,13 +8612,13 @@ var transition_selectAll = function(select$$1) { } return new Transition(subgroups, parents, name, id); -} +}; var Selection$1 = selection.prototype.constructor; var transition_selection = function() { return new Selection$1(this._groups, this._parents); -} +}; function styleRemove$1(name, interpolate$$1) { var value00, @@ -8674,7 +8674,7 @@ var transition_style = function(name, value, priority) { : this.styleTween(name, typeof value === "function" ? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) : styleConstant$1(name, i, value), priority); -} +}; function styleTween(name, value, priority) { function tween() { @@ -8693,7 +8693,7 @@ var transition_styleTween = function(name, value, priority) { if (value == null) return this.tween(key, null); if (typeof value !== "function") throw new Error; return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); -} +}; function textConstant$1(value) { return function() { @@ -8712,7 +8712,7 @@ var transition_text = function(value) { return this.tween("text", typeof value === "function" ? textFunction$1(tweenValue(this, "text", value)) : textConstant$1(value == null ? "" : value + "")); -} +}; var transition_transition = function() { var name = this._name, @@ -8734,7 +8734,7 @@ var transition_transition = function() { } return new Transition(groups, this._parents, name, id1); -} +}; var id = 0; @@ -8818,7 +8818,7 @@ var selection_transition = function(name) { } return new Transition(groups, this._parents, name, id); -} +}; selection.prototype.interrupt = selection_interrupt; selection.prototype.transition = selection_transition; @@ -8840,13 +8840,13 @@ var active = function(node, name) { } return null; -} +}; var slice$4 = Array.prototype.slice; var identity$5 = function(x) { return x; -} +}; var top = 1; var right = 2; @@ -9102,7 +9102,7 @@ var cluster = function() { }; return cluster; -} +}; var node_each = function(callback) { var node = this, current, next = [node], children, i, n; @@ -9116,7 +9116,7 @@ var node_each = function(callback) { } } while (next.length); return this; -} +}; var node_eachBefore = function(callback) { var node = this, nodes = [node], children, i; @@ -9127,7 +9127,7 @@ var node_eachBefore = function(callback) { } } return this; -} +}; var node_eachAfter = function(callback) { var node = this, nodes = [node], next = [], children, i, n; @@ -9141,7 +9141,7 @@ var node_eachAfter = function(callback) { callback(node); } return this; -} +}; var node_sum = function(value) { return this.eachAfter(function(node) { @@ -9151,7 +9151,7 @@ var node_sum = function(value) { while (--i >= 0) sum += children[i].value; node.value = sum; }); -} +}; var node_sort = function(compare) { return this.eachBefore(function(node) { @@ -9159,7 +9159,7 @@ var node_sort = function(compare) { node.children.sort(compare); } }); -} +}; var node_path = function(end) { var start = this, @@ -9175,7 +9175,7 @@ var node_path = function(end) { end = end.parent; } return nodes; -} +}; function leastCommonAncestor(a, b) { if (a === b) return a; @@ -9198,7 +9198,7 @@ var node_ancestors = function() { nodes.push(node); } return nodes; -} +}; var node_descendants = function() { var nodes = []; @@ -9206,7 +9206,7 @@ var node_descendants = function() { nodes.push(node); }); return nodes; -} +}; var node_leaves = function() { var leaves = []; @@ -9216,7 +9216,7 @@ var node_leaves = function() { } }); return leaves; -} +}; var node_links = function() { var root = this, links = []; @@ -9226,7 +9226,7 @@ var node_links = function() { } }); return links; -} +}; function hierarchy(data, children) { var root = new Node(data), @@ -9317,11 +9317,11 @@ var shuffle$1 = function(array) { head: head, tail: node }; -} +}; var enclose = function(circles) { return encloseN(shuffle$1(circles), []); -} +}; function encloses(a, b) { var dx = b.x - a.x, @@ -9552,7 +9552,7 @@ function packEnclose(circles) { var siblings = function(circles) { packEnclose(circles); return circles; -} +}; function optional(f) { return f == null ? null : required(f); @@ -9571,7 +9571,7 @@ var constant$6 = function(x) { return function() { return x; }; -} +}; function defaultRadius(d) { return Math.sqrt(d.value); @@ -9611,7 +9611,7 @@ var index = function() { }; return pack; -} +}; function radiusLeaf(radius) { return function(node) { @@ -9654,7 +9654,7 @@ var roundNode = function(node) { node.y0 = Math.round(node.y0); node.x1 = Math.round(node.x1); node.y1 = Math.round(node.y1); -} +}; var treemapDice = function(parent, x0, y0, x1, y1) { var nodes = parent.children, @@ -9667,7 +9667,7 @@ var treemapDice = function(parent, x0, y0, x1, y1) { node = nodes[i], node.y0 = y0, node.y1 = y1; node.x0 = x0, node.x1 = x0 += node.value * k; } -} +}; var partition = function() { var dx = 1, @@ -9717,7 +9717,7 @@ var partition = function() { }; return partition; -} +}; var keyPrefix$1 = "$"; var preroot = {depth: -1}; @@ -9788,7 +9788,7 @@ var stratify = function() { }; return stratify; -} +}; function defaultSeparation$1(a, b) { return a.parent === b.parent ? 1 : 2; @@ -10024,7 +10024,7 @@ var tree = function() { }; return tree; -} +}; var treemapSlice = function(parent, x0, y0, x1, y1) { var nodes = parent.children, @@ -10037,7 +10037,7 @@ var treemapSlice = function(parent, x0, y0, x1, y1) { node = nodes[i], node.x0 = x0, node.x1 = x1; node.y0 = y0, node.y1 = y0 += node.value * k; } -} +}; var phi = (1 + Math.sqrt(5)) / 2; @@ -10188,7 +10188,7 @@ var index$1 = function() { }; return treemap; -} +}; var binary = function(parent, x0, y0, x1, y1) { var nodes = parent.children, @@ -10233,11 +10233,11 @@ var binary = function(parent, x0, y0, x1, y1) { partition(k, j, valueRight, xk, y0, x1, y1); } } -} +}; var sliceDice = function(parent, x0, y0, x1, y1) { (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); -} +}; var resquarify = (function custom(ratio) { @@ -10307,17 +10307,17 @@ var center$1 = function(x, y) { }; return force; -} +}; var constant$7 = function(x) { return function() { return x; }; -} +}; var jiggle = function() { return (Math.random() - 0.5) * 1e-6; -} +}; function x$1(d) { return d.x + d.vx; @@ -10387,9 +10387,16 @@ var collide = function(radius) { } } - force.initialize = function(_) { - var i, n = (nodes = _).length; radii = new Array(n); + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + radii = new Array(n); for (i = 0; i < n; ++i) radii[i] = +radius(nodes[i], i, nodes); + } + + force.initialize = function(_) { + nodes = _; + initialize(); }; force.iterations = function(_) { @@ -10401,16 +10408,22 @@ var collide = function(radius) { }; force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), force) : radius; + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : radius; }; return force; -} +}; function index$2(d, i) { return i; } +function find(nodeById, nodeId) { + var node = nodeById.get(nodeId); + if (!node) throw new Error("missing: " + nodeId); + return node; +} + var link = function(links) { var id = index$2, strength = defaultStrength, @@ -10460,8 +10473,8 @@ var link = function(links) { for (i = 0; i < m; ++i) { link = links[i], link.index = i; - if (typeof link.source !== "object") link.source = nodeById.get(link.source); - if (typeof link.target !== "object") link.target = nodeById.get(link.target); + if (typeof link.source !== "object") link.source = find(nodeById, link.source); + if (typeof link.target !== "object") link.target = find(nodeById, link.target); ++count[link.source.index], ++count[link.target.index]; } @@ -10515,7 +10528,7 @@ var link = function(links) { }; return force; -} +}; function x$2(d) { return d.x; @@ -10655,7 +10668,7 @@ var simulation = function(nodes) { return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); } }; -} +}; var manyBody = function() { var nodes, @@ -10765,7 +10778,7 @@ var manyBody = function() { }; return force; -} +}; var x$3 = function(x) { var strength = constant$7(0.1), @@ -10805,7 +10818,7 @@ var x$3 = function(x) { }; return force; -} +}; var y$3 = function(y) { var strength = constant$7(0.1), @@ -10845,7 +10858,7 @@ var y$3 = function(y) { }; return force; -} +}; function nopropagation() { exports.event.stopImmediatePropagation(); @@ -10854,7 +10867,7 @@ function nopropagation() { var noevent = function() { exports.event.preventDefault(); exports.event.stopImmediatePropagation(); -} +}; var dragDisable = function(view) { var root = view.document.documentElement, @@ -10865,7 +10878,7 @@ var dragDisable = function(view) { root.__noselect = root.style.MozUserSelect; root.style.MozUserSelect = "none"; } -} +}; function yesdrag(view, noclick) { var root = view.document.documentElement, @@ -10886,7 +10899,7 @@ var constant$8 = function(x) { return function() { return x; }; -} +}; function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) { this.target = target; @@ -11042,13 +11055,13 @@ var drag = function() { }; return drag; -} +}; var constant$9 = function(x) { return function() { return x; }; -} +}; function x$4(d) { return d[0]; @@ -11941,7 +11954,7 @@ Diagram.prototype = { s0 = s1; e1 = edges[halfedges[j]]; s1 = e1.left === site ? e1.right : e1.left; - if (i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) { + if (s0 && s1 && i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) { triangles.push([site.data, s0.data, s1.data]); } } @@ -11959,8 +11972,33 @@ Diagram.prototype = { target: edge.right.data }; }); + }, + + find: function(x, y, radius) { + var that = this, + i0, i1 = that._found || 0, + cell = that.cells[i1] || that.cells[i1 = 0], + dx = x - cell.site[0], + dy = y - cell.site[1], + d2 = dx * dx + dy * dy; + + do { + cell = that.cells[i0 = i1], i1 = null; + cell.halfedges.forEach(function(e) { + var edge = that.edges[e], v = edge.left; + if ((v === cell.site || !v) && !(v = edge.right)) return; + var vx = x - v[0], + vy = y - v[1], + v2 = vx * vx + vy * vy; + if (v2 < d2) d2 = v2, i1 = v.index; + }); + } while (i1 !== null); + + that._found = i0; + + return radius == null || d2 <= radius * radius ? cell.site : null; } -} +}; var voronoi = function() { var x$$1 = x$4, @@ -12005,13 +12043,13 @@ var voronoi = function() { }; return voronoi; -} +}; var constant$10 = function(x) { return function() { return x; }; -} +}; function ZoomEvent(target, type, transform) { this.target = target; @@ -12077,7 +12115,7 @@ function nopropagation$1() { var noevent$1 = function() { exports.event.preventDefault(); exports.event.stopImmediatePropagation(); -} +}; // Ignore right-click, since that should open the context menu. function defaultFilter$1() { @@ -12430,19 +12468,19 @@ var zoom = function() { }; return zoom; -} +}; var constant$11 = function(x) { return function() { return x; }; -} +}; var BrushEvent = function(target, type, selection) { this.target = target; this.type = type; this.selection = selection; -} +}; function nopropagation$2() { exports.event.stopImmediatePropagation(); @@ -12451,7 +12489,7 @@ function nopropagation$2() { var noevent$2 = function() { exports.event.preventDefault(); exports.event.stopImmediatePropagation(); -} +}; var MODE_DRAG = {name: "drag"}; var MODE_SPACE = {name: "space"}; @@ -12576,7 +12614,7 @@ function brushY() { var brush = function() { return brush$1(XY); -} +}; function brush$1(dim) { var extent = defaultExtent$1, @@ -13108,7 +13146,7 @@ var chord = function() { }; return chord; -} +}; var slice$5 = Array.prototype.slice; @@ -13116,7 +13154,7 @@ var constant$12 = function(x) { return function() { return x; }; -} +}; function defaultSource(d) { return d.source; @@ -13199,7 +13237,7 @@ var ribbon = function() { }; return ribbon; -} +}; // Adds floating point numbers with twice the normal precision. // Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and @@ -13210,7 +13248,7 @@ var ribbon = function() { var adder = function() { return new Adder; -} +}; function Adder() { this.reset(); @@ -13348,7 +13386,7 @@ var geoStream = function(object, stream) { } else { streamGeometry(object, stream); } -} +}; var areaRingSum = adder(); @@ -13418,7 +13456,7 @@ var area$2 = function(object) { areaSum.reset(); geoStream(object, areaStream); return areaSum * 2; -} +}; function spherical(cartesian) { return [atan2(cartesian[1], cartesian[0]), asin$1(cartesian[2])]; @@ -13623,7 +13661,7 @@ var bounds = function(feature) { return lambda0$1 === Infinity || phi0 === Infinity ? [[NaN, NaN], [NaN, NaN]] : [[lambda0$1, phi0], [lambda1, phi1]]; -} +}; var W0; var W1; @@ -13771,13 +13809,13 @@ var centroid$1 = function(object) { } return [atan2(y, x) * degrees$1, asin$1(z / sqrt$1(m)) * degrees$1]; -} +}; var constant$13 = function(x) { return function() { return x; }; -} +}; var compose = function(a, b) { @@ -13790,7 +13828,7 @@ var compose = function(a, b) { }; return compose; -} +}; function rotationIdentity(lambda, phi) { return [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi]; @@ -13864,7 +13902,7 @@ var rotation = function(rotate) { }; return forward; -} +}; // Generates a circle centered at [0°, 0°], with a given radius and precision. function circleStream(stream, radius, delta, direction, t0, t1) { @@ -13932,7 +13970,7 @@ var circle$1 = function() { }; return circle; -} +}; var clipBuffer = function() { var lines = [], @@ -13955,7 +13993,7 @@ var clipBuffer = function() { return result; } }; -} +}; var clipLine = function(a, b, x0, y0, x1, y1) { var ax = a[0], @@ -14015,11 +14053,11 @@ var clipLine = function(a, b, x0, y0, x1, y1) { if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; return true; -} +}; var pointEqual = function(a, b) { return abs(a[0] - b[0]) < epsilon$4 && abs(a[1] - b[1]) < epsilon$4; -} +}; function Intersection(point, points, other, entry) { this.x = point; @@ -14104,7 +14142,7 @@ var clipPolygon = function(segments, compareIntersection, startInside, interpola } while (!current.v); stream.lineEnd(); } -} +}; function link$1(array) { if (!(n = array.length)) return; @@ -14302,7 +14340,7 @@ var extent$1 = function() { return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; } }; -} +}; var lengthSum = adder(); var lambda0$2; @@ -14351,7 +14389,7 @@ var length$2 = function(object) { lengthSum.reset(); geoStream(object, lengthStream); return +lengthSum; -} +}; var coordinates = [null, null]; var object$1 = {type: "LineString", coordinates: coordinates}; @@ -14360,7 +14398,7 @@ var distance = function(a, b) { coordinates[0] = a; coordinates[1] = b; return length$2(object$1); -} +}; function graticuleX(y0, y1, dy) { var y = range(y0, y1 - epsilon$4, dy).concat(y1); @@ -14372,7 +14410,7 @@ function graticuleY(x0, x1, dx) { return function(y) { return x.map(function(x) { return [x, y]; }); }; } -var graticule = function() { +function graticule() { var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, @@ -14461,6 +14499,10 @@ var graticule = function() { .extentMinor([[-180, -80 - epsilon$4], [180, 80 + epsilon$4]]); } +function graticule10() { + return graticule()(); +} + var interpolate$2 = function(a, b) { var x0 = a[0] * radians, y0 = a[1] * radians, @@ -14494,11 +14536,11 @@ var interpolate$2 = function(a, b) { interpolate.distance = d; return interpolate; -} +}; var identity$7 = function(x) { return x; -} +}; var areaSum$1 = adder(); var areaRingSum$1 = adder(); @@ -14765,11 +14807,9 @@ function circle$2(radius) { + "z"; } -var index$3 = function() { +var index$3 = function(projection, context) { var pointRadius = 4.5, - projection, projectionStream, - context, contextStream; function path(object) { @@ -14812,8 +14852,8 @@ var index$3 = function() { return path; }; - return path.projection(null).context(null); -} + return path.projection(projection).context(context); +}; var sum$2 = adder(); @@ -14878,7 +14918,7 @@ var polygonContains = function(polygon, point) { // same side as the South pole. return (angle < -epsilon$4 || angle < epsilon$4 && sum$2 < -epsilon$4) ^ (winding & 1); -} +}; var clip = function(pointVisible, clipLine, interpolate, start) { return function(rotate, sink) { @@ -14997,7 +15037,7 @@ var clip = function(pointVisible, clipLine, interpolate, start) { return clip; }; -} +}; function validSegment(segment) { return segment.length > 1; @@ -15274,28 +15314,27 @@ var clipCircle = function(radius, delta) { } return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$4, radius - pi$4]); -} +}; -var transform$1 = function(prototype) { +var transform$1 = function(methods) { return { - stream: transform$2(prototype) + stream: transformer(methods) }; -} +}; -function transform$2(prototype) { - function T() {} - var p = T.prototype = Object.create(Transform$1.prototype); - for (var k in prototype) p[k] = prototype[k]; +function transformer(methods) { return function(stream) { - var t = new T; - t.stream = stream; - return t; + var s = new TransformStream; + for (var key in methods) s[key] = methods[key]; + s.stream = stream; + return s; }; } -function Transform$1() {} +function TransformStream() {} -Transform$1.prototype = { +TransformStream.prototype = { + constructor: TransformStream, point: function(x, y) { this.stream.point(x, y); }, sphere: function() { this.stream.sphere(); }, lineStart: function() { this.stream.lineStart(); }, @@ -15304,41 +15343,33 @@ Transform$1.prototype = { polygonEnd: function() { this.stream.polygonEnd(); } }; -function fit(project, extent, object) { +function fitExtent(projection, extent, object) { var w = extent[1][0] - extent[0][0], h = extent[1][1] - extent[0][1], - clip = project.clipExtent && project.clipExtent(); + clip = projection.clipExtent && projection.clipExtent(); - project + projection .scale(150) .translate([0, 0]); - if (clip != null) project.clipExtent(null); + if (clip != null) projection.clipExtent(null); - geoStream(object, project.stream(boundsStream$1)); + geoStream(object, projection.stream(boundsStream$1)); var b = boundsStream$1.result(), k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; - if (clip != null) project.clipExtent(clip); + if (clip != null) projection.clipExtent(clip); - return project + return projection .scale(k * 150) .translate([x, y]); } -function fitSize(project) { - return function(size, object) { - return fit(project, [[0, 0], size], object); - }; -} - -function fitExtent(project) { - return function(extent, object) { - return fit(project, extent, object); - }; +function fitSize(projection, size, object) { + return fitExtent(projection, [[0, 0], size], object); } var maxDepth = 16; @@ -15346,10 +15377,10 @@ var cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) var resample = function(project, delta2) { return +delta2 ? resample$1(project, delta2) : resampleNone(project); -} +}; function resampleNone(project) { - return transform$2({ + return transformer({ point: function(x, y) { x = project(x, y); this.stream.point(x[0], x[1]); @@ -15440,7 +15471,7 @@ function resample$1(project, delta2) { }; } -var transformRadians = transform$2({ +var transformRadians = transformer({ point: function(x, y) { this.stream.point(x * radians, y * radians); } @@ -15508,9 +15539,13 @@ function projectionMutator(projectAt) { return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt$1(delta2); }; - projection.fitExtent = fitExtent(projection); + projection.fitExtent = function(extent, object) { + return fitExtent(projection, extent, object); + }; - projection.fitSize = fitSize(projection); + projection.fitSize = function(size, object) { + return fitSize(projection, size, object); + }; function recenter() { projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); @@ -15545,11 +15580,27 @@ function conicProjection(projectAt) { return p; } +function cylindricalEqualAreaRaw(phi0) { + var cosPhi0 = cos$1(phi0); + + function forward(lambda, phi) { + return [lambda * cosPhi0, sin$1(phi) / cosPhi0]; + } + + forward.invert = function(x, y) { + return [x / cosPhi0, asin$1(y * cosPhi0)]; + }; + + return forward; +} + function conicEqualAreaRaw(y0, y1) { - var sy0 = sin$1(y0), - n = (sy0 + sin$1(y1)) / 2, - c = 1 + sy0 * (2 * n - sy0), - r0 = sqrt$1(c) / n; + var sy0 = sin$1(y0), n = (sy0 + sin$1(y1)) / 2; + + // Are the parallels symmetrical around the Equator? + if (abs(n) < epsilon$4) return cylindricalEqualAreaRaw(y0); + + var c = 1 + sy0 * (2 * n - sy0), r0 = sqrt$1(c) / n; function project(x, y) { var r = sqrt$1(c - 2 * n * sin$1(y)) / n; @@ -15558,7 +15609,7 @@ function conicEqualAreaRaw(y0, y1) { project.invert = function(x, y) { var r0y = r0 - y; - return [atan2(x, r0y) / n, asin$1((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; + return [atan2(x, abs(r0y)) / n * sign$1(r0y), asin$1((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; }; return project; @@ -15568,7 +15619,7 @@ var conicEqualArea = function() { return conicProjection(conicEqualAreaRaw) .scale(155.424) .center([0, 33.6442]); -} +}; var albers = function() { return conicEqualArea() @@ -15577,7 +15628,7 @@ var albers = function() { .translate([480, 250]) .rotate([96, 0]) .center([-0.6, 38.7]); -} +}; // The projections must have mutually exclusive clip regions on the sphere, // as this will avoid emitting interleaving lines and polygons. @@ -15662,9 +15713,13 @@ var albersUsa = function() { return reset(); }; - albersUsa.fitExtent = fitExtent(albersUsa); + albersUsa.fitExtent = function(extent, object) { + return fitExtent(albersUsa, extent, object); + }; - albersUsa.fitSize = fitSize(albersUsa); + albersUsa.fitSize = function(size, object) { + return fitSize(albersUsa, size, object); + }; function reset() { cache = cacheStream = null; @@ -15672,7 +15727,7 @@ var albersUsa = function() { } return albersUsa.scale(1070); -} +}; function azimuthalRaw(scale) { return function(x, y) { @@ -15711,7 +15766,7 @@ var azimuthalEqualArea = function() { return projection(azimuthalEqualAreaRaw) .scale(124.75) .clipAngle(180 - 1e-3); -} +}; var azimuthalEquidistantRaw = azimuthalRaw(function(c) { return (c = acos(c)) && c / sin$1(c); @@ -15725,7 +15780,7 @@ var azimuthalEquidistant = function() { return projection(azimuthalEquidistantRaw) .scale(79.4188) .clipAngle(180 - 1e-3); -} +}; function mercatorRaw(lambda, phi) { return [lambda, log$1(tan((halfPi$3 + phi) / 2))]; @@ -15738,7 +15793,7 @@ mercatorRaw.invert = function(x, y) { var mercator = function() { return mercatorProjection(mercatorRaw) .scale(961 / tau$4); -} +}; function mercatorProjection(project) { var m = projection(project), @@ -15789,7 +15844,7 @@ function conicConformalRaw(y0, y1) { project.invert = function(x, y) { var fy = f - y, r = sign$1(n) * sqrt$1(x * x + fy * fy); - return [atan2(x, fy) / n, 2 * atan(pow$1(f / r, 1 / n)) - halfPi$3]; + return [atan2(x, abs(fy)) / n * sign$1(fy), 2 * atan(pow$1(f / r, 1 / n)) - halfPi$3]; }; return project; @@ -15799,7 +15854,7 @@ var conicConformal = function() { return conicProjection(conicConformalRaw) .scale(109.5) .parallels([30, 30]); -} +}; function equirectangularRaw(lambda, phi) { return [lambda, phi]; @@ -15810,7 +15865,7 @@ equirectangularRaw.invert = equirectangularRaw; var equirectangular = function() { return projection(equirectangularRaw) .scale(152.63); -} +}; function conicEquidistantRaw(y0, y1) { var cy0 = cos$1(y0), @@ -15826,7 +15881,7 @@ function conicEquidistantRaw(y0, y1) { project.invert = function(x, y) { var gy = g - y; - return [atan2(x, gy) / n, g - sign$1(n) * sqrt$1(x * x + gy * gy)]; + return [atan2(x, abs(gy)) / n * sign$1(gy), g - sign$1(n) * sqrt$1(x * x + gy * gy)]; }; return project; @@ -15836,7 +15891,7 @@ var conicEquidistant = function() { return conicProjection(conicEquidistantRaw) .scale(131.154) .center([0, 13.9389]); -} +}; function gnomonicRaw(x, y) { var cy = cos$1(y), k = cos$1(x) * cy; @@ -15849,8 +15904,50 @@ var gnomonic = function() { return projection(gnomonicRaw) .scale(144.049) .clipAngle(60); +}; + +function scaleTranslate(k, tx, ty) { + return k === 1 && tx === 0 && ty === 0 ? identity$7 : transformer({ + point: function(x, y) { + this.stream.point(x * k + tx, y * k + ty); + } + }); } +var identity$8 = function() { + var k = 1, tx = 0, ty = 0, transform = identity$7, // scale and translate + x0 = null, y0, x1, y1, clip = identity$7, // clip extent + cache, + cacheStream, + projection; + + function reset() { + cache = cacheStream = null; + return projection; + } + + return projection = { + stream: function(stream) { + return cache && cacheStream === stream ? cache : cache = transform(clip(cacheStream = stream)); + }, + clipExtent: function(_) { + return arguments.length ? (clip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$7) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + }, + scale: function(_) { + return arguments.length ? (transform = scaleTranslate(k = +_, tx, ty), reset()) : k; + }, + translate: function(_) { + return arguments.length ? (transform = scaleTranslate(k, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; + }, + fitExtent: function(extent, object) { + return fitExtent(projection, extent, object); + }, + fitSize: function(size, object) { + return fitSize(projection, size, object); + } + }; +}; + function orthographicRaw(x, y) { return [cos$1(y) * sin$1(x), sin$1(y)]; } @@ -15861,7 +15958,7 @@ var orthographic = function() { return projection(orthographicRaw) .scale(249.5) .clipAngle(90 + epsilon$4); -} +}; function stereographicRaw(x, y) { var cy = cos$1(y), k = 1 + cos$1(x) * cy; @@ -15876,7 +15973,7 @@ var stereographic = function() { return projection(stereographicRaw) .scale(250) .clipAngle(142); -} +}; function transverseMercatorRaw(lambda, phi) { return [log$1(tan((halfPi$3 + phi) / 2)), -lambda]; @@ -15901,7 +15998,7 @@ var transverseMercator = function() { return rotate([0, 0, 90]) .scale(159.155); -} +}; exports.version = version; exports.bisect = bisectRight; @@ -16262,6 +16359,8 @@ exports.geoEquirectangularRaw = equirectangularRaw; exports.geoGnomonic = gnomonic; exports.geoGnomonicRaw = gnomonicRaw; exports.geoGraticule = graticule; +exports.geoGraticule10 = graticule10; +exports.geoIdentity = identity$8; exports.geoInterpolate = interpolate$2; exports.geoLength = length$2; exports.geoMercator = mercator; diff --git a/app/assets/javascripts/d3.v4.min.js b/app/assets/javascripts/d3.v4.min.js index 710db59..6a78c32 100644 --- a/app/assets/javascripts/d3.v4.min.js +++ b/app/assets/javascripts/d3.v4.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.2.6. 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\ No newline at end of file From 73149e44bceb50e10f3e6946b8f81097f0378658 Mon Sep 17 00:00:00 2001 From: Stuart Swindells Date: Fri, 28 Oct 2016 11:25:15 +0000 Subject: [PATCH 14/42] s/4.2.6/4.3.0/ --- CHANGELOG.md | 3 +++ README.md | 2 +- lib/d3/rails/version.rb | 2 +- 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 2e15c1d..bd50b62 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## 4.3.0 (28 October 2016) +* Upgrade D3 to 4.3.0 + ## 4.2.6 (26 September 2016) * Upgrade D3 to 4.2.6 diff --git a/README.md b/README.md index 77aaf39..0a11eb1 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 4.2.6 of D3.js. The d3-rails version will +d3-rails comes with version 4.3.0 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/lib/d3/rails/version.rb b/lib/d3/rails/version.rb index 8ef25c2..56052da 100644 --- a/lib/d3/rails/version.rb +++ b/lib/d3/rails/version.rb @@ -1,5 +1,5 @@ module D3 module Rails - VERSION = "4.2.6" + VERSION = "4.3.0" end end From 77ce21856b729800c3f4fa98ab85dbc00d979ca9 Mon Sep 17 00:00:00 2001 From: Stuart Swindells Date: Wed, 23 Nov 2016 16:24:39 +0000 Subject: [PATCH 15/42] D3 v4.4.0 --- app/assets/javascripts/d3.js | 152 +++++++++++++++------------- app/assets/javascripts/d3.min.js | 16 +-- app/assets/javascripts/d3.v4.js | 152 +++++++++++++++------------- app/assets/javascripts/d3.v4.min.js | 16 +-- 4 files changed, 178 insertions(+), 158 deletions(-) diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index acc598c..d275b25 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,11 +1,11 @@ -// https://d3js.org Version 4.3.0. Copyright 2016 Mike Bostock. +// https://d3js.org Version 4.4.0. Copyright 2016 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "4.3.0"; +var version = "4.4.0"; var ascending = function(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -1043,7 +1043,7 @@ var tauEpsilon = tau$1 - epsilon; function Path() { this._x0 = this._y0 = // start of current subpath this._x1 = this._y1 = null; // end of current subpath - this._ = []; + this._ = ""; } function path() { @@ -1053,22 +1053,22 @@ function path() { Path.prototype = path.prototype = { constructor: Path, moveTo: function(x, y) { - this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y); + this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y); }, closePath: function() { if (this._x1 !== null) { this._x1 = this._x0, this._y1 = this._y0; - this._.push("Z"); + this._ += "Z"; } }, lineTo: function(x, y) { - this._.push("L", this._x1 = +x, ",", this._y1 = +y); + this._ += "L" + (this._x1 = +x) + "," + (this._y1 = +y); }, quadraticCurveTo: function(x1, y1, x, y) { - this._.push("Q", +x1, ",", +y1, ",", this._x1 = +x, ",", this._y1 = +y); + this._ += "Q" + (+x1) + "," + (+y1) + "," + (this._x1 = +x) + "," + (this._y1 = +y); }, bezierCurveTo: function(x1, y1, x2, y2, x, y) { - this._.push("C", +x1, ",", +y1, ",", +x2, ",", +y2, ",", this._x1 = +x, ",", this._y1 = +y); + this._ += "C" + (+x1) + "," + (+y1) + "," + (+x2) + "," + (+y2) + "," + (this._x1 = +x) + "," + (this._y1 = +y); }, arcTo: function(x1, y1, x2, y2, r) { x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r; @@ -1085,9 +1085,7 @@ Path.prototype = path.prototype = { // Is this path empty? Move to (x1,y1). if (this._x1 === null) { - this._.push( - "M", this._x1 = x1, ",", this._y1 = y1 - ); + this._ += "M" + (this._x1 = x1) + "," + (this._y1 = y1); } // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. @@ -1097,9 +1095,7 @@ Path.prototype = path.prototype = { // Equivalently, is (x1,y1) coincident with (x2,y2)? // Or, is the radius zero? Line to (x1,y1). else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon) || !r) { - this._.push( - "L", this._x1 = x1, ",", this._y1 = y1 - ); + this._ += "L" + (this._x1 = x1) + "," + (this._y1 = y1); } // Otherwise, draw an arc! @@ -1116,14 +1112,10 @@ Path.prototype = path.prototype = { // If the start tangent is not coincident with (x0,y0), line to. if (Math.abs(t01 - 1) > epsilon) { - this._.push( - "L", x1 + t01 * x01, ",", y1 + t01 * y01 - ); + this._ += "L" + (x1 + t01 * x01) + "," + (y1 + t01 * y01); } - this._.push( - "A", r, ",", r, ",0,0,", +(y01 * x20 > x01 * y20), ",", this._x1 = x1 + t21 * x21, ",", this._y1 = y1 + t21 * y21 - ); + this._ += "A" + r + "," + r + ",0,0," + (+(y01 * x20 > x01 * y20)) + "," + (this._x1 = x1 + t21 * x21) + "," + (this._y1 = y1 + t21 * y21); } }, arc: function(x, y, r, a0, a1, ccw) { @@ -1140,16 +1132,12 @@ Path.prototype = path.prototype = { // Is this path empty? Move to (x0,y0). if (this._x1 === null) { - this._.push( - "M", x0, ",", y0 - ); + this._ += "M" + x0 + "," + y0; } // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) { - this._.push( - "L", x0, ",", y0 - ); + this._ += "L" + x0 + "," + y0; } // Is this arc empty? We’re done. @@ -1157,25 +1145,20 @@ Path.prototype = path.prototype = { // Is this a complete circle? Draw two arcs to complete the circle. if (da > tauEpsilon) { - this._.push( - "A", r, ",", r, ",0,1,", cw, ",", x - dx, ",", y - dy, - "A", r, ",", r, ",0,1,", cw, ",", this._x1 = x0, ",", this._y1 = y0 - ); + this._ += "A" + r + "," + r + ",0,1," + cw + "," + (x - dx) + "," + (y - dy) + "A" + r + "," + r + ",0,1," + cw + "," + (this._x1 = x0) + "," + (this._y1 = y0); } // Otherwise, draw an arc! else { if (da < 0) da = da % tau$1 + tau$1; - this._.push( - "A", r, ",", r, ",0,", +(da >= pi$1), ",", cw, ",", this._x1 = x + r * Math.cos(a1), ",", this._y1 = y + r * Math.sin(a1) - ); + this._ += "A" + r + "," + r + ",0," + (+(da >= pi$1)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1)); } }, rect: function(x, y, w, h) { - this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y, "h", +w, "v", +h, "h", -w, "Z"); + this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y) + "h" + (+w) + "v" + (+h) + "h" + (-w) + "Z"; }, toString: function() { - return this._.join(""); + return this._; } }; @@ -3500,14 +3483,17 @@ function Color() {} var darker = 0.7; var brighter = 1 / darker; +var reI = "\\s*([+-]?\\d+)\\s*"; +var reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*"; +var reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*"; var reHex3 = /^#([0-9a-f]{3})$/; var reHex6 = /^#([0-9a-f]{6})$/; -var reRgbInteger = /^rgb\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*\)$/; -var reRgbPercent = /^rgb\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/; -var reRgbaInteger = /^rgba\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; -var reRgbaPercent = /^rgba\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; -var reHslPercent = /^hsl\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/; -var reHslaPercent = /^hsla\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; +var reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"); +var reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"); +var reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"); +var reRgbaPercent = new RegExp("^rgba\\(" + [reP, reP, reP, reN] + "\\)$"); +var reHslPercent = new RegExp("^hsl\\(" + [reN, reP, reP] + "\\)$"); +var reHslaPercent = new RegExp("^hsla\\(" + [reN, reP, reP, reN] + "\\)$"); var named = { aliceblue: 0xf0f8ff, @@ -10047,7 +10033,7 @@ function squarifyRatio(ratio, parent, x0, y0, x1, y1) { row, nodeValue, i0 = 0, - i1, + i1 = 0, n = nodes.length, dx, dy, value = parent.value, @@ -10061,13 +10047,16 @@ function squarifyRatio(ratio, parent, x0, y0, x1, y1) { while (i0 < n) { dx = x1 - x0, dy = y1 - y0; - minValue = maxValue = sumValue = nodes[i0].value; + + // Find the next non-empty node. + do sumValue = nodes[i1++].value; while (!sumValue && i1 < n); + minValue = maxValue = sumValue; alpha = Math.max(dy / dx, dx / dy) / (value * ratio); beta = sumValue * sumValue * alpha; minRatio = Math.max(maxValue / beta, beta / minValue); // Keep adding nodes while the aspect ratio maintains or improves. - for (i1 = i0 + 1; i1 < n; ++i1) { + for (; i1 < n; ++i1) { sumValue += nodeValue = nodes[i1].value; if (nodeValue < minValue) minValue = nodeValue; if (nodeValue > maxValue) maxValue = nodeValue; @@ -10348,7 +10337,7 @@ var collide = function(radius) { tree = quadtree(nodes, x$1, y$1).visitAfter(prepare); for (i = 0; i < n; ++i) { node = nodes[i]; - ri = radii[i], ri2 = ri * ri; + ri = radii[node.index], ri2 = ri * ri; xi = node.x + node.vx; yi = node.y + node.vy; tree.visit(apply); @@ -10358,7 +10347,7 @@ var collide = function(radius) { function apply(quad, x0, y0, x1, y1) { var data = quad.data, rj = quad.r, r = ri + rj; if (data) { - if (data.index > i) { + if (data.index > node.index) { var x = xi - data.x - data.vx, y = yi - data.y - data.vy, l = x * x + y * y; @@ -10389,9 +10378,9 @@ var collide = function(radius) { function initialize() { if (!nodes) return; - var i, n = nodes.length; + var i, n = nodes.length, node; radii = new Array(n); - for (i = 0; i < n; ++i) radii[i] = +radius(nodes[i], i, nodes); + for (i = 0; i < n; ++i) node = nodes[i], radii[node.index] = +radius(node, i, nodes); } force.initialize = function(_) { @@ -10414,8 +10403,8 @@ var collide = function(radius) { return force; }; -function index$2(d, i) { - return i; +function index$2(d) { + return d.index; } function find(nodeById, nodeId) { @@ -10467,15 +10456,12 @@ var link = function(links) { nodeById = map$1(nodes, id), link; - for (i = 0, count = new Array(n); i < n; ++i) { - count[i] = 0; - } - - for (i = 0; i < m; ++i) { + for (i = 0, count = new Array(n); i < m; ++i) { link = links[i], link.index = i; if (typeof link.source !== "object") link.source = find(nodeById, link.source); if (typeof link.target !== "object") link.target = find(nodeById, link.target); - ++count[link.source.index], ++count[link.target.index]; + count[link.source.index] = (count[link.source.index] || 0) + 1; + count[link.target.index] = (count[link.target.index] || 0) + 1; } for (i = 0, bias = new Array(m); i < m; ++i) { @@ -10687,9 +10673,9 @@ var manyBody = function() { function initialize() { if (!nodes) return; - var i, n = nodes.length; + var i, n = nodes.length, node; strengths = new Array(n); - for (i = 0; i < n; ++i) strengths[i] = +strength(nodes[i], i, nodes); + for (i = 0; i < n; ++i) node = nodes[i], strengths[node.index] = +strength(node, i, nodes); } function accumulate(quad) { @@ -12149,6 +12135,7 @@ var zoom = function() { y0 = x0, y1 = x1, duration = 250, + interpolate$$1 = interpolateZoom, gestures = [], listeners = dispatch("start", "zoom", "end"), touchstarting, @@ -12222,9 +12209,14 @@ var zoom = function() { } function constrain(transform, extent) { - var dx = Math.min(0, transform.invertX(extent[0][0]) - x0) || Math.max(0, transform.invertX(extent[1][0]) - x1), - dy = Math.min(0, transform.invertY(extent[0][1]) - y0) || Math.max(0, transform.invertY(extent[1][1]) - y1); - return dx || dy ? transform.translate(dx, dy) : transform; + var dx0 = transform.invertX(extent[0][0]) - x0, + dx1 = transform.invertX(extent[1][0]) - x1, + dy0 = transform.invertY(extent[0][1]) - y0, + dy1 = transform.invertY(extent[1][1]) - y1; + return transform.translate( + dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1), + dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1) + ); } function centroid(extent) { @@ -12244,7 +12236,7 @@ var zoom = function() { w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), a = that.__zoom, b = typeof transform === "function" ? transform.apply(that, args) : transform, - i = interpolateZoom(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); + i = interpolate$$1(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); return function(t) { if (t === 1) t = b; // Avoid rounding error on end. else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); } @@ -12387,10 +12379,18 @@ var zoom = function() { if (!g.touch0) g.touch0 = p; else if (!g.touch1) g.touch1 = p; } + + // If this is a dbltap, reroute to the (optional) dblclick.zoom handler. if (touchstarting) { touchstarting = clearTimeout(touchstarting); - if (!g.touch1) return g.end(), dblclicked.apply(this, arguments); + if (!g.touch1) { + g.end(); + p = select(this).on("dblclick.zoom"); + if (p) p.apply(this, arguments); + return; + } } + if (exports.event.touches.length === n) { touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); interrupt(this); @@ -12462,6 +12462,10 @@ var zoom = function() { return arguments.length ? (duration = +_, zoom) : duration; }; + zoom.interpolate = function(_) { + return arguments.length ? (interpolate$$1 = _, zoom) : interpolate$$1; + }; + zoom.on = function() { var value = listeners.on.apply(listeners, arguments); return value === listeners ? zoom : value; @@ -14836,12 +14840,12 @@ var index$3 = function(projection, context) { }; path.projection = function(_) { - return arguments.length ? (projectionStream = (projection = _) == null ? identity$7 : _.stream, path) : projection; + return arguments.length ? (projectionStream = _ == null ? (projection = null, identity$7) : (projection = _).stream, path) : projection; }; path.context = function(_) { if (!arguments.length) return context; - contextStream = (context = _) == null ? new PathString : new PathContext(_); + contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); return path; }; @@ -15906,16 +15910,16 @@ var gnomonic = function() { .clipAngle(60); }; -function scaleTranslate(k, tx, ty) { - return k === 1 && tx === 0 && ty === 0 ? identity$7 : transformer({ +function scaleTranslate(kx, ky, tx, ty) { + return kx === 1 && ky === 1 && tx === 0 && ty === 0 ? identity$7 : transformer({ point: function(x, y) { - this.stream.point(x * k + tx, y * k + ty); + this.stream.point(x * kx + tx, y * ky + ty); } }); } var identity$8 = function() { - var k = 1, tx = 0, ty = 0, transform = identity$7, // scale and translate + var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, transform = identity$7, // scale, translate and reflect x0 = null, y0, x1, y1, clip = identity$7, // clip extent cache, cacheStream, @@ -15934,10 +15938,16 @@ var identity$8 = function() { return arguments.length ? (clip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$7) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; }, scale: function(_) { - return arguments.length ? (transform = scaleTranslate(k = +_, tx, ty), reset()) : k; + return arguments.length ? (transform = scaleTranslate((k = +_) * sx, k * sy, tx, ty), reset()) : k; }, translate: function(_) { - return arguments.length ? (transform = scaleTranslate(k, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; + return arguments.length ? (transform = scaleTranslate(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; + }, + reflectX: function(_) { + return arguments.length ? (transform = scaleTranslate(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0; + }, + reflectY: function(_) { + return arguments.length ? (transform = scaleTranslate(k * sx, k * (sy = _ ? -1 : 1), tx, ty), reset()) : sy < 0; }, fitExtent: function(extent, object) { return fitExtent(projection, extent, object); diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index 6a78c32..ca16dcf 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.3.0. 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\ No newline at end of file diff --git a/app/assets/javascripts/d3.v4.js b/app/assets/javascripts/d3.v4.js index acc598c..d275b25 100644 --- a/app/assets/javascripts/d3.v4.js +++ b/app/assets/javascripts/d3.v4.js @@ -1,11 +1,11 @@ -// https://d3js.org Version 4.3.0. Copyright 2016 Mike Bostock. +// https://d3js.org Version 4.4.0. Copyright 2016 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "4.3.0"; +var version = "4.4.0"; var ascending = function(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -1043,7 +1043,7 @@ var tauEpsilon = tau$1 - epsilon; function Path() { this._x0 = this._y0 = // start of current subpath this._x1 = this._y1 = null; // end of current subpath - this._ = []; + this._ = ""; } function path() { @@ -1053,22 +1053,22 @@ function path() { Path.prototype = path.prototype = { constructor: Path, moveTo: function(x, y) { - this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y); + this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y); }, closePath: function() { if (this._x1 !== null) { this._x1 = this._x0, this._y1 = this._y0; - this._.push("Z"); + this._ += "Z"; } }, lineTo: function(x, y) { - this._.push("L", this._x1 = +x, ",", this._y1 = +y); + this._ += "L" + (this._x1 = +x) + "," + (this._y1 = +y); }, quadraticCurveTo: function(x1, y1, x, y) { - this._.push("Q", +x1, ",", +y1, ",", this._x1 = +x, ",", this._y1 = +y); + this._ += "Q" + (+x1) + "," + (+y1) + "," + (this._x1 = +x) + "," + (this._y1 = +y); }, bezierCurveTo: function(x1, y1, x2, y2, x, y) { - this._.push("C", +x1, ",", +y1, ",", +x2, ",", +y2, ",", this._x1 = +x, ",", this._y1 = +y); + this._ += "C" + (+x1) + "," + (+y1) + "," + (+x2) + "," + (+y2) + "," + (this._x1 = +x) + "," + (this._y1 = +y); }, arcTo: function(x1, y1, x2, y2, r) { x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r; @@ -1085,9 +1085,7 @@ Path.prototype = path.prototype = { // Is this path empty? Move to (x1,y1). if (this._x1 === null) { - this._.push( - "M", this._x1 = x1, ",", this._y1 = y1 - ); + this._ += "M" + (this._x1 = x1) + "," + (this._y1 = y1); } // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. @@ -1097,9 +1095,7 @@ Path.prototype = path.prototype = { // Equivalently, is (x1,y1) coincident with (x2,y2)? // Or, is the radius zero? Line to (x1,y1). else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon) || !r) { - this._.push( - "L", this._x1 = x1, ",", this._y1 = y1 - ); + this._ += "L" + (this._x1 = x1) + "," + (this._y1 = y1); } // Otherwise, draw an arc! @@ -1116,14 +1112,10 @@ Path.prototype = path.prototype = { // If the start tangent is not coincident with (x0,y0), line to. if (Math.abs(t01 - 1) > epsilon) { - this._.push( - "L", x1 + t01 * x01, ",", y1 + t01 * y01 - ); + this._ += "L" + (x1 + t01 * x01) + "," + (y1 + t01 * y01); } - this._.push( - "A", r, ",", r, ",0,0,", +(y01 * x20 > x01 * y20), ",", this._x1 = x1 + t21 * x21, ",", this._y1 = y1 + t21 * y21 - ); + this._ += "A" + r + "," + r + ",0,0," + (+(y01 * x20 > x01 * y20)) + "," + (this._x1 = x1 + t21 * x21) + "," + (this._y1 = y1 + t21 * y21); } }, arc: function(x, y, r, a0, a1, ccw) { @@ -1140,16 +1132,12 @@ Path.prototype = path.prototype = { // Is this path empty? Move to (x0,y0). if (this._x1 === null) { - this._.push( - "M", x0, ",", y0 - ); + this._ += "M" + x0 + "," + y0; } // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) { - this._.push( - "L", x0, ",", y0 - ); + this._ += "L" + x0 + "," + y0; } // Is this arc empty? We’re done. @@ -1157,25 +1145,20 @@ Path.prototype = path.prototype = { // Is this a complete circle? Draw two arcs to complete the circle. if (da > tauEpsilon) { - this._.push( - "A", r, ",", r, ",0,1,", cw, ",", x - dx, ",", y - dy, - "A", r, ",", r, ",0,1,", cw, ",", this._x1 = x0, ",", this._y1 = y0 - ); + this._ += "A" + r + "," + r + ",0,1," + cw + "," + (x - dx) + "," + (y - dy) + "A" + r + "," + r + ",0,1," + cw + "," + (this._x1 = x0) + "," + (this._y1 = y0); } // Otherwise, draw an arc! else { if (da < 0) da = da % tau$1 + tau$1; - this._.push( - "A", r, ",", r, ",0,", +(da >= pi$1), ",", cw, ",", this._x1 = x + r * Math.cos(a1), ",", this._y1 = y + r * Math.sin(a1) - ); + this._ += "A" + r + "," + r + ",0," + (+(da >= pi$1)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1)); } }, rect: function(x, y, w, h) { - this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y, "h", +w, "v", +h, "h", -w, "Z"); + this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y) + "h" + (+w) + "v" + (+h) + "h" + (-w) + "Z"; }, toString: function() { - return this._.join(""); + return this._; } }; @@ -3500,14 +3483,17 @@ function Color() {} var darker = 0.7; var brighter = 1 / darker; +var reI = "\\s*([+-]?\\d+)\\s*"; +var reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*"; +var reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*"; var reHex3 = /^#([0-9a-f]{3})$/; var reHex6 = /^#([0-9a-f]{6})$/; -var reRgbInteger = /^rgb\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*\)$/; -var reRgbPercent = /^rgb\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/; -var reRgbaInteger = /^rgba\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; -var reRgbaPercent = /^rgba\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; -var reHslPercent = /^hsl\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/; -var reHslaPercent = /^hsla\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; +var reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"); +var reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"); +var reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"); +var reRgbaPercent = new RegExp("^rgba\\(" + [reP, reP, reP, reN] + "\\)$"); +var reHslPercent = new RegExp("^hsl\\(" + [reN, reP, reP] + "\\)$"); +var reHslaPercent = new RegExp("^hsla\\(" + [reN, reP, reP, reN] + "\\)$"); var named = { aliceblue: 0xf0f8ff, @@ -10047,7 +10033,7 @@ function squarifyRatio(ratio, parent, x0, y0, x1, y1) { row, nodeValue, i0 = 0, - i1, + i1 = 0, n = nodes.length, dx, dy, value = parent.value, @@ -10061,13 +10047,16 @@ function squarifyRatio(ratio, parent, x0, y0, x1, y1) { while (i0 < n) { dx = x1 - x0, dy = y1 - y0; - minValue = maxValue = sumValue = nodes[i0].value; + + // Find the next non-empty node. + do sumValue = nodes[i1++].value; while (!sumValue && i1 < n); + minValue = maxValue = sumValue; alpha = Math.max(dy / dx, dx / dy) / (value * ratio); beta = sumValue * sumValue * alpha; minRatio = Math.max(maxValue / beta, beta / minValue); // Keep adding nodes while the aspect ratio maintains or improves. - for (i1 = i0 + 1; i1 < n; ++i1) { + for (; i1 < n; ++i1) { sumValue += nodeValue = nodes[i1].value; if (nodeValue < minValue) minValue = nodeValue; if (nodeValue > maxValue) maxValue = nodeValue; @@ -10348,7 +10337,7 @@ var collide = function(radius) { tree = quadtree(nodes, x$1, y$1).visitAfter(prepare); for (i = 0; i < n; ++i) { node = nodes[i]; - ri = radii[i], ri2 = ri * ri; + ri = radii[node.index], ri2 = ri * ri; xi = node.x + node.vx; yi = node.y + node.vy; tree.visit(apply); @@ -10358,7 +10347,7 @@ var collide = function(radius) { function apply(quad, x0, y0, x1, y1) { var data = quad.data, rj = quad.r, r = ri + rj; if (data) { - if (data.index > i) { + if (data.index > node.index) { var x = xi - data.x - data.vx, y = yi - data.y - data.vy, l = x * x + y * y; @@ -10389,9 +10378,9 @@ var collide = function(radius) { function initialize() { if (!nodes) return; - var i, n = nodes.length; + var i, n = nodes.length, node; radii = new Array(n); - for (i = 0; i < n; ++i) radii[i] = +radius(nodes[i], i, nodes); + for (i = 0; i < n; ++i) node = nodes[i], radii[node.index] = +radius(node, i, nodes); } force.initialize = function(_) { @@ -10414,8 +10403,8 @@ var collide = function(radius) { return force; }; -function index$2(d, i) { - return i; +function index$2(d) { + return d.index; } function find(nodeById, nodeId) { @@ -10467,15 +10456,12 @@ var link = function(links) { nodeById = map$1(nodes, id), link; - for (i = 0, count = new Array(n); i < n; ++i) { - count[i] = 0; - } - - for (i = 0; i < m; ++i) { + for (i = 0, count = new Array(n); i < m; ++i) { link = links[i], link.index = i; if (typeof link.source !== "object") link.source = find(nodeById, link.source); if (typeof link.target !== "object") link.target = find(nodeById, link.target); - ++count[link.source.index], ++count[link.target.index]; + count[link.source.index] = (count[link.source.index] || 0) + 1; + count[link.target.index] = (count[link.target.index] || 0) + 1; } for (i = 0, bias = new Array(m); i < m; ++i) { @@ -10687,9 +10673,9 @@ var manyBody = function() { function initialize() { if (!nodes) return; - var i, n = nodes.length; + var i, n = nodes.length, node; strengths = new Array(n); - for (i = 0; i < n; ++i) strengths[i] = +strength(nodes[i], i, nodes); + for (i = 0; i < n; ++i) node = nodes[i], strengths[node.index] = +strength(node, i, nodes); } function accumulate(quad) { @@ -12149,6 +12135,7 @@ var zoom = function() { y0 = x0, y1 = x1, duration = 250, + interpolate$$1 = interpolateZoom, gestures = [], listeners = dispatch("start", "zoom", "end"), touchstarting, @@ -12222,9 +12209,14 @@ var zoom = function() { } function constrain(transform, extent) { - var dx = Math.min(0, transform.invertX(extent[0][0]) - x0) || Math.max(0, transform.invertX(extent[1][0]) - x1), - dy = Math.min(0, transform.invertY(extent[0][1]) - y0) || Math.max(0, transform.invertY(extent[1][1]) - y1); - return dx || dy ? transform.translate(dx, dy) : transform; + var dx0 = transform.invertX(extent[0][0]) - x0, + dx1 = transform.invertX(extent[1][0]) - x1, + dy0 = transform.invertY(extent[0][1]) - y0, + dy1 = transform.invertY(extent[1][1]) - y1; + return transform.translate( + dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1), + dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1) + ); } function centroid(extent) { @@ -12244,7 +12236,7 @@ var zoom = function() { w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), a = that.__zoom, b = typeof transform === "function" ? transform.apply(that, args) : transform, - i = interpolateZoom(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); + i = interpolate$$1(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); return function(t) { if (t === 1) t = b; // Avoid rounding error on end. else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); } @@ -12387,10 +12379,18 @@ var zoom = function() { if (!g.touch0) g.touch0 = p; else if (!g.touch1) g.touch1 = p; } + + // If this is a dbltap, reroute to the (optional) dblclick.zoom handler. if (touchstarting) { touchstarting = clearTimeout(touchstarting); - if (!g.touch1) return g.end(), dblclicked.apply(this, arguments); + if (!g.touch1) { + g.end(); + p = select(this).on("dblclick.zoom"); + if (p) p.apply(this, arguments); + return; + } } + if (exports.event.touches.length === n) { touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); interrupt(this); @@ -12462,6 +12462,10 @@ var zoom = function() { return arguments.length ? (duration = +_, zoom) : duration; }; + zoom.interpolate = function(_) { + return arguments.length ? (interpolate$$1 = _, zoom) : interpolate$$1; + }; + zoom.on = function() { var value = listeners.on.apply(listeners, arguments); return value === listeners ? zoom : value; @@ -14836,12 +14840,12 @@ var index$3 = function(projection, context) { }; path.projection = function(_) { - return arguments.length ? (projectionStream = (projection = _) == null ? identity$7 : _.stream, path) : projection; + return arguments.length ? (projectionStream = _ == null ? (projection = null, identity$7) : (projection = _).stream, path) : projection; }; path.context = function(_) { if (!arguments.length) return context; - contextStream = (context = _) == null ? new PathString : new PathContext(_); + contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); return path; }; @@ -15906,16 +15910,16 @@ var gnomonic = function() { .clipAngle(60); }; -function scaleTranslate(k, tx, ty) { - return k === 1 && tx === 0 && ty === 0 ? identity$7 : transformer({ +function scaleTranslate(kx, ky, tx, ty) { + return kx === 1 && ky === 1 && tx === 0 && ty === 0 ? identity$7 : transformer({ point: function(x, y) { - this.stream.point(x * k + tx, y * k + ty); + this.stream.point(x * kx + tx, y * ky + ty); } }); } var identity$8 = function() { - var k = 1, tx = 0, ty = 0, transform = identity$7, // scale and translate + var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, transform = identity$7, // scale, translate and reflect x0 = null, y0, x1, y1, clip = identity$7, // clip extent cache, cacheStream, @@ -15934,10 +15938,16 @@ var identity$8 = function() { return arguments.length ? (clip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$7) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; }, scale: function(_) { - return arguments.length ? (transform = scaleTranslate(k = +_, tx, ty), reset()) : k; + return arguments.length ? (transform = scaleTranslate((k = +_) * sx, k * sy, tx, ty), reset()) : k; }, translate: function(_) { - return arguments.length ? (transform = scaleTranslate(k, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; + return arguments.length ? (transform = scaleTranslate(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; + }, + reflectX: function(_) { + return arguments.length ? (transform = scaleTranslate(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0; + }, + reflectY: function(_) { + return arguments.length ? (transform = scaleTranslate(k * sx, k * (sy = _ ? -1 : 1), tx, ty), reset()) : sy < 0; }, fitExtent: function(extent, object) { return fitExtent(projection, extent, object); diff --git a/app/assets/javascripts/d3.v4.min.js b/app/assets/javascripts/d3.v4.min.js index 6a78c32..ca16dcf 100644 --- a/app/assets/javascripts/d3.v4.min.js +++ b/app/assets/javascripts/d3.v4.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.3.0. Copyright 2016 Mike Bostock. -(function(t,n){"object"==typeof exports&&"undefined"!=typeof module?n(exports):"function"==typeof define&&define.amd?define(["exports"],n):n(t.d3=t.d3||{})})(this,function(t){"use strict";function n(t){return function(n,e){return Ms(t(n),e)}}function e(t,n,e){var r=Math.abs(n-t)/Math.max(0,e),i=Math.pow(10,Math.floor(Math.log(r)/Math.LN10)),o=r/i;return o>=Fs?i*=10:o>=Is?i*=5:o>=Ys&&(i*=2),n1&&Wf(t[e[r-2]],t[e[r-1]],t[i])<=0;)--r;e[r++]=i}return e.slice(0,r)}function q(){this._x0=this._y0=this._x1=this._y1=null,this._=[]}function L(){return new q}function R(t,n,e,r){if(isNaN(n)||isNaN(e))return t;var i,o,u,a,c,s,f,l,h,p=t._root,d={data:r},v=t._x0,_=t._y0,y=t._x1,g=t._y1;if(!p)return t._root=d,t;for(;p.length;)if((s=n>=(o=(v+y)/2))?v=o:y=o,(f=e>=(u=(_+g)/2))?_=u:g=u,i=p,!(p=p[l=f<<1|s]))return i[l]=d,t;if(a=+t._x.call(null,p.data),c=+t._y.call(null,p.data),n===a&&e===c)return d.next=p,i?i[l]=d:t._root=d,t;do i=i?i[l]=new Array(4):t._root=new 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\ No newline at end of file From fb3ee775cfd9c5563b741ac535e376b552b35b8b Mon Sep 17 00:00:00 2001 From: Stuart Swindells Date: Wed, 23 Nov 2016 21:35:38 +0000 Subject: [PATCH 16/42] Change version 4.3.0 -> 4.4.0 --- CHANGELOG.md | 3 +++ README.md | 2 +- lib/d3/rails/version.rb | 2 +- 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index bd50b62..d9d6932 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## 4.4.0 (23 November 2016) +* Upgrade D3 to 4.4.0 + ## 4.3.0 (28 October 2016) * Upgrade D3 to 4.3.0 diff --git a/README.md b/README.md index 0a11eb1..683fc0e 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 4.3.0 of D3.js. The d3-rails version will +d3-rails comes with version 4.4.0 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/lib/d3/rails/version.rb b/lib/d3/rails/version.rb index 56052da..fbe6657 100644 --- a/lib/d3/rails/version.rb +++ b/lib/d3/rails/version.rb @@ -1,5 +1,5 @@ module D3 module Rails - VERSION = "4.3.0" + VERSION = "4.4.0" end end From 1b79459356f9a2d7ce14e7ccc8e99d438a39fc02 Mon Sep 17 00:00:00 2001 From: Stuart Swindells Date: Wed, 1 Mar 2017 23:46:28 +0000 Subject: [PATCH 17/42] Update to Rails 4.7.0 --- app/assets/javascripts/d3.js | 26168 +++++++++++++------------- app/assets/javascripts/d3.min.js | 16 +- app/assets/javascripts/d3.v4.js | 26168 +++++++++++++------------- app/assets/javascripts/d3.v4.min.js | 16 +- 4 files changed, 26348 insertions(+), 26020 deletions(-) diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index d275b25..813b2da 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,11 +1,11 @@ -// https://d3js.org Version 4.4.0. Copyright 2016 Mike Bostock. +// https://d3js.org Version 4.7.0. Copyright 2017 Mike Bostock. (function (global, factory) { - typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : - typeof define === 'function' && define.amd ? define(['exports'], factory) : - (factory((global.d3 = global.d3 || {}))); + typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : + typeof define === 'function' && define.amd ? define(['exports'], factory) : + (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "4.4.0"; +var version = "4.7.0"; var ascending = function(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -47,6 +47,24 @@ var ascendingBisect = bisector(ascending); var bisectRight = ascendingBisect.right; var bisectLeft = ascendingBisect.left; +var pairs = function(array, f) { + if (f == null) f = pair; + var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n); + while (i < n) pairs[i] = f(p, p = array[++i]); + return pairs; +}; + +function pair(a, b) { + return [a, b]; +} + +var cross = function(a, b, f) { + var na = a.length, nb = b.length, c = new Array(na * nb), ia, ib, ic, va; + if (f == null) f = pair; + for (ia = ic = 0; ia < na; ++ia) for (va = a[ia], ib = 0; ib < nb; ++ib, ++ic) c[ic] = f(va, b[ib]); + return c; +}; + var descending = function(a, b) { return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; }; @@ -123,7 +141,7 @@ var array = Array.prototype; var slice = array.slice; var map = array.map; -var constant$1 = function(x) { +var constant = function(x) { return function() { return x; }; @@ -133,7 +151,7 @@ var identity = function(x) { return x; }; -var range = function(start, stop, step) { +var sequence = function(start, stop, step) { start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; var i = -1, @@ -153,7 +171,7 @@ var e2 = Math.sqrt(2); var ticks = function(start, stop, count) { var step = tickStep(start, stop, count); - return range( + return sequence( Math.ceil(start / step) * step, Math.floor(stop / step) * step + step / 2, // inclusive step @@ -224,15 +242,15 @@ var histogram = function() { } histogram.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$1(_), histogram) : value; + return arguments.length ? (value = typeof _ === "function" ? _ : constant(_), histogram) : value; }; histogram.domain = function(_) { - return arguments.length ? (domain = typeof _ === "function" ? _ : constant$1([_[0], _[1]]), histogram) : domain; + return arguments.length ? (domain = typeof _ === "function" ? _ : constant([_[0], _[1]]), histogram) : domain; }; histogram.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$1(slice.call(_)) : constant$1(_), histogram) : threshold; + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), histogram) : threshold; }; return histogram; @@ -355,12 +373,6 @@ var min = function(array, f) { return a; }; -var pairs = function(array) { - var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n); - while (i < n) pairs[i] = [p, p = array[++i]]; - return pairs; -}; - var permute = function(array, indexes) { var i = indexes.length, permutes = new Array(i); while (i--) permutes[i] = array[indexes[i]]; @@ -432,15582 +444,15732 @@ var zip = function() { return transpose(arguments); }; -var prefix = "$"; - -function Map() {} +var slice$1 = Array.prototype.slice; -Map.prototype = map$1.prototype = { - constructor: Map, - has: function(key) { - return (prefix + key) in this; - }, - get: function(key) { - return this[prefix + key]; - }, - set: function(key, value) { - this[prefix + key] = value; - return this; - }, - remove: function(key) { - var property = prefix + key; - return property in this && delete this[property]; - }, - clear: function() { - for (var property in this) if (property[0] === prefix) delete this[property]; - }, - keys: function() { - var keys = []; - for (var property in this) if (property[0] === prefix) keys.push(property.slice(1)); - return keys; - }, - values: function() { - var values = []; - for (var property in this) if (property[0] === prefix) values.push(this[property]); - return values; - }, - entries: function() { - var entries = []; - for (var property in this) if (property[0] === prefix) entries.push({key: property.slice(1), value: this[property]}); - return entries; - }, - size: function() { - var size = 0; - for (var property in this) if (property[0] === prefix) ++size; - return size; - }, - empty: function() { - for (var property in this) if (property[0] === prefix) return false; - return true; - }, - each: function(f) { - for (var property in this) if (property[0] === prefix) f(this[property], property.slice(1), this); - } +var identity$1 = function(x) { + return x; }; -function map$1(object, f) { - var map = new Map; - - // Copy constructor. - if (object instanceof Map) object.each(function(value, key) { map.set(key, value); }); - - // Index array by numeric index or specified key function. - else if (Array.isArray(object)) { - var i = -1, - n = object.length, - o; - - if (f == null) while (++i < n) map.set(i, object[i]); - else while (++i < n) map.set(f(o = object[i], i, object), o); - } +var top = 1; +var right = 2; +var bottom = 3; +var left = 4; +var epsilon = 1e-6; - // Convert object to map. - else if (object) for (var key in object) map.set(key, object[key]); +function translateX(x) { + return "translate(" + x + ",0)"; +} - return map; +function translateY(y) { + return "translate(0," + y + ")"; } -var nest = function() { - var keys = [], - sortKeys = [], - sortValues, - rollup, - nest; +function center(scale) { + var offset = scale.bandwidth() / 2; + if (scale.round()) offset = Math.round(offset); + return function(d) { + return scale(d) + offset; + }; +} - function apply(array, depth, createResult, setResult) { - if (depth >= keys.length) return rollup != null - ? rollup(array) : (sortValues != null - ? array.sort(sortValues) - : array); +function entering() { + return !this.__axis; +} - var i = -1, - n = array.length, - key = keys[depth++], - keyValue, - value, - valuesByKey = map$1(), - values, - result = createResult(); +function axis(orient, scale) { + var tickArguments = [], + tickValues = null, + tickFormat = null, + tickSizeInner = 6, + tickSizeOuter = 6, + tickPadding = 3, + k = orient === top || orient === left ? -1 : 1, + x, y = orient === left || orient === right ? (x = "x", "y") : (x = "y", "x"), + transform = orient === top || orient === bottom ? translateX : translateY; - while (++i < n) { - if (values = valuesByKey.get(keyValue = key(value = array[i]) + "")) { - values.push(value); - } else { - valuesByKey.set(keyValue, [value]); - } - } + function axis(context) { + var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues, + format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$1) : tickFormat, + spacing = Math.max(tickSizeInner, 0) + tickPadding, + range = scale.range(), + range0 = range[0] + 0.5, + range1 = range[range.length - 1] + 0.5, + position = (scale.bandwidth ? center : identity$1)(scale.copy()), + selection = context.selection ? context.selection() : context, + path = selection.selectAll(".domain").data([null]), + tick = selection.selectAll(".tick").data(values, scale).order(), + tickExit = tick.exit(), + tickEnter = tick.enter().append("g").attr("class", "tick"), + line = tick.select("line"), + text = tick.select("text"); - valuesByKey.each(function(values, key) { - setResult(result, key, apply(values, depth, createResult, setResult)); - }); + path = path.merge(path.enter().insert("path", ".tick") + .attr("class", "domain") + .attr("stroke", "#000")); - return result; - } + tick = tick.merge(tickEnter); - function entries(map, depth) { - if (++depth > keys.length) return map; - var array, sortKey = sortKeys[depth - 1]; - if (rollup != null && depth >= keys.length) array = map.entries(); - else array = [], map.each(function(v, k) { array.push({key: k, values: entries(v, depth)}); }); - return sortKey != null ? array.sort(function(a, b) { return sortKey(a.key, b.key); }) : array; - } + line = line.merge(tickEnter.append("line") + .attr("stroke", "#000") + .attr(x + "2", k * tickSizeInner) + .attr(y + "1", 0.5) + .attr(y + "2", 0.5)); - return nest = { - object: function(array) { return apply(array, 0, createObject, setObject); }, - map: function(array) { return apply(array, 0, createMap, setMap); }, - entries: function(array) { return entries(apply(array, 0, createMap, setMap), 0); }, - key: function(d) { keys.push(d); return nest; }, - sortKeys: function(order) { sortKeys[keys.length - 1] = order; return nest; }, - sortValues: function(order) { sortValues = order; return nest; }, - rollup: function(f) { rollup = f; return nest; } - }; -}; + text = text.merge(tickEnter.append("text") + .attr("fill", "#000") + .attr(x, k * spacing) + .attr(y, 0.5) + .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); -function createObject() { - return {}; -} + if (context !== selection) { + path = path.transition(context); + tick = tick.transition(context); + line = line.transition(context); + text = text.transition(context); -function setObject(object, key, value) { - object[key] = value; -} + tickExit = tickExit.transition(context) + .attr("opacity", epsilon) + .attr("transform", function(d) { return isFinite(d = position(d)) ? transform(d) : this.getAttribute("transform"); }); -function createMap() { - return map$1(); -} + tickEnter + .attr("opacity", epsilon) + .attr("transform", function(d) { var p = this.parentNode.__axis; return transform(p && isFinite(p = p(d)) ? p : position(d)); }); + } -function setMap(map, key, value) { - map.set(key, value); -} + tickExit.remove(); -function Set() {} + path + .attr("d", orient === left || orient == right + ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter + : "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter); -var proto = map$1.prototype; + tick + .attr("opacity", 1) + .attr("transform", function(d) { return transform(position(d)); }); -Set.prototype = set.prototype = { - constructor: Set, - has: proto.has, - add: function(value) { - value += ""; - this[prefix + value] = value; - return this; - }, - remove: proto.remove, - clear: proto.clear, - values: proto.keys, - size: proto.size, - empty: proto.empty, - each: proto.each -}; + line + .attr(x + "2", k * tickSizeInner); -function set(object, f) { - var set = new Set; + text + .attr(x, k * spacing) + .text(format); - // Copy constructor. - if (object instanceof Set) object.each(function(value) { set.add(value); }); + selection.filter(entering) + .attr("fill", "none") + .attr("font-size", 10) + .attr("font-family", "sans-serif") + .attr("text-anchor", orient === right ? "start" : orient === left ? "end" : "middle"); - // Otherwise, assume it’s an array. - else if (object) { - var i = -1, n = object.length; - if (f == null) while (++i < n) set.add(object[i]); - else while (++i < n) set.add(f(object[i], i, object)); + selection + .each(function() { this.__axis = position; }); } - return set; -} + axis.scale = function(_) { + return arguments.length ? (scale = _, axis) : scale; + }; -var keys = function(map) { - var keys = []; - for (var key in map) keys.push(key); - return keys; -}; + axis.ticks = function() { + return tickArguments = slice$1.call(arguments), axis; + }; -var values = function(map) { - var values = []; - for (var key in map) values.push(map[key]); - return values; -}; - -var entries = function(map) { - var entries = []; - for (var key in map) entries.push({key: key, value: map[key]}); - return entries; -}; - -var uniform = function(min, max) { - min = min == null ? 0 : +min; - max = max == null ? 1 : +max; - if (arguments.length === 1) max = min, min = 0; - else max -= min; - return function() { - return Math.random() * max + min; + axis.tickArguments = function(_) { + return arguments.length ? (tickArguments = _ == null ? [] : slice$1.call(_), axis) : tickArguments.slice(); }; -}; - -var normal = function(mu, sigma) { - var x, r; - mu = mu == null ? 0 : +mu; - sigma = sigma == null ? 1 : +sigma; - return function() { - var y; - - // If available, use the second previously-generated uniform random. - if (x != null) y = x, x = null; - // Otherwise, generate a new x and y. - else do { - x = Math.random() * 2 - 1; - y = Math.random() * 2 - 1; - r = x * x + y * y; - } while (!r || r > 1); + axis.tickValues = function(_) { + return arguments.length ? (tickValues = _ == null ? null : slice$1.call(_), axis) : tickValues && tickValues.slice(); + }; - return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); + axis.tickFormat = function(_) { + return arguments.length ? (tickFormat = _, axis) : tickFormat; }; -}; -var logNormal = function() { - var randomNormal = normal.apply(this, arguments); - return function() { - return Math.exp(randomNormal()); + axis.tickSize = function(_) { + return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner; }; -}; -var irwinHall = function(n) { - return function() { - for (var sum = 0, i = 0; i < n; ++i) sum += Math.random(); - return sum; + axis.tickSizeInner = function(_) { + return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner; }; -}; -var bates = function(n) { - var randomIrwinHall = irwinHall(n); - return function() { - return randomIrwinHall() / n; + axis.tickSizeOuter = function(_) { + return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter; }; -}; -var exponential = function(lambda) { - return function() { - return -Math.log(1 - Math.random()) / lambda; + axis.tickPadding = function(_) { + return arguments.length ? (tickPadding = +_, axis) : tickPadding; }; -}; -function linear(t) { - return +t; + return axis; } -function quadIn(t) { - return t * t; +function axisTop(scale) { + return axis(top, scale); } -function quadOut(t) { - return t * (2 - t); +function axisRight(scale) { + return axis(right, scale); } -function quadInOut(t) { - return ((t *= 2) <= 1 ? t * t : --t * (2 - t) + 1) / 2; +function axisBottom(scale) { + return axis(bottom, scale); } -function cubicIn(t) { - return t * t * t; +function axisLeft(scale) { + return axis(left, scale); } -function cubicOut(t) { - return --t * t * t + 1; -} +var noop = {value: function() {}}; -function cubicInOut(t) { - return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2; +function dispatch() { + for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { + if (!(t = arguments[i] + "") || (t in _)) throw new Error("illegal type: " + t); + _[t] = []; + } + return new Dispatch(_); } -var exponent = 3; - -var polyIn = (function custom(e) { - e = +e; +function Dispatch(_) { + this._ = _; +} - function polyIn(t) { - return Math.pow(t, e); - } +function parseTypenames(typenames, types) { + return typenames.trim().split(/^|\s+/).map(function(t) { + var name = "", i = t.indexOf("."); + if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); + if (t && !types.hasOwnProperty(t)) throw new Error("unknown type: " + t); + return {type: t, name: name}; + }); +} - polyIn.exponent = custom; +Dispatch.prototype = dispatch.prototype = { + constructor: Dispatch, + on: function(typename, callback) { + var _ = this._, + T = parseTypenames(typename + "", _), + t, + i = -1, + n = T.length; - return polyIn; -})(exponent); + // If no callback was specified, return the callback of the given type and name. + if (arguments.length < 2) { + while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t; + return; + } -var polyOut = (function custom(e) { - e = +e; + // If a type was specified, set the callback for the given type and name. + // Otherwise, if a null callback was specified, remove callbacks of the given name. + if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback); + while (++i < n) { + if (t = (typename = T[i]).type) _[t] = set(_[t], typename.name, callback); + else if (callback == null) for (t in _) _[t] = set(_[t], typename.name, null); + } - function polyOut(t) { - return 1 - Math.pow(1 - t, e); + return this; + }, + copy: function() { + var copy = {}, _ = this._; + for (var t in _) copy[t] = _[t].slice(); + return new Dispatch(copy); + }, + call: function(type, that) { + if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) args[i] = arguments[i + 2]; + if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); + for (t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); + }, + apply: function(type, that, args) { + if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); + for (var t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); } +}; - polyOut.exponent = custom; - - return polyOut; -})(exponent); - -var polyInOut = (function custom(e) { - e = +e; - - function polyInOut(t) { - return ((t *= 2) <= 1 ? Math.pow(t, e) : 2 - Math.pow(2 - t, e)) / 2; +function get(type, name) { + for (var i = 0, n = type.length, c; i < n; ++i) { + if ((c = type[i]).name === name) { + return c.value; + } } +} - polyInOut.exponent = custom; +function set(type, name, callback) { + for (var i = 0, n = type.length; i < n; ++i) { + if (type[i].name === name) { + type[i] = noop, type = type.slice(0, i).concat(type.slice(i + 1)); + break; + } + } + if (callback != null) type.push({name: name, value: callback}); + return type; +} - return polyInOut; -})(exponent); +var xhtml = "http://www.w3.org/1999/xhtml"; -var pi = Math.PI; -var halfPi = pi / 2; +var namespaces = { + svg: "http://www.w3.org/2000/svg", + xhtml: xhtml, + xlink: "http://www.w3.org/1999/xlink", + xml: "http://www.w3.org/XML/1998/namespace", + xmlns: "http://www.w3.org/2000/xmlns/" +}; -function sinIn(t) { - return 1 - Math.cos(t * halfPi); -} +var namespace = function(name) { + var prefix = name += "", i = prefix.indexOf(":"); + if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); + return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; +}; -function sinOut(t) { - return Math.sin(t * halfPi); +function creatorInherit(name) { + return function() { + var document = this.ownerDocument, + uri = this.namespaceURI; + return uri === xhtml && document.documentElement.namespaceURI === xhtml + ? document.createElement(name) + : document.createElementNS(uri, name); + }; } -function sinInOut(t) { - return (1 - Math.cos(pi * t)) / 2; +function creatorFixed(fullname) { + return function() { + return this.ownerDocument.createElementNS(fullname.space, fullname.local); + }; } -function expIn(t) { - return Math.pow(2, 10 * t - 10); -} +var creator = function(name) { + var fullname = namespace(name); + return (fullname.local + ? creatorFixed + : creatorInherit)(fullname); +}; -function expOut(t) { - return 1 - Math.pow(2, -10 * t); -} +var nextId = 0; -function expInOut(t) { - return ((t *= 2) <= 1 ? Math.pow(2, 10 * t - 10) : 2 - Math.pow(2, 10 - 10 * t)) / 2; +function local$1() { + return new Local; } -function circleIn(t) { - return 1 - Math.sqrt(1 - t * t); +function Local() { + this._ = "@" + (++nextId).toString(36); } -function circleOut(t) { - return Math.sqrt(1 - --t * t); -} +Local.prototype = local$1.prototype = { + constructor: Local, + get: function(node) { + var id = this._; + while (!(id in node)) if (!(node = node.parentNode)) return; + return node[id]; + }, + set: function(node, value) { + return node[this._] = value; + }, + remove: function(node) { + return this._ in node && delete node[this._]; + }, + toString: function() { + return this._; + } +}; -function circleInOut(t) { - return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2; +var matcher = function(selector) { + return function() { + return this.matches(selector); + }; +}; + +if (typeof document !== "undefined") { + var element = document.documentElement; + if (!element.matches) { + var vendorMatches = element.webkitMatchesSelector + || element.msMatchesSelector + || element.mozMatchesSelector + || element.oMatchesSelector; + matcher = function(selector) { + return function() { + return vendorMatches.call(this, selector); + }; + }; + } } -var b1 = 4 / 11; -var b2 = 6 / 11; -var b3 = 8 / 11; -var b4 = 3 / 4; -var b5 = 9 / 11; -var b6 = 10 / 11; -var b7 = 15 / 16; -var b8 = 21 / 22; -var b9 = 63 / 64; -var b0 = 1 / b1 / b1; +var matcher$1 = matcher; -function bounceIn(t) { - return 1 - bounceOut(1 - t); +var filterEvents = {}; + +exports.event = null; + +if (typeof document !== "undefined") { + var element$1 = document.documentElement; + if (!("onmouseenter" in element$1)) { + filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; + } } -function bounceOut(t) { - return (t = +t) < b1 ? b0 * t * t : t < b3 ? b0 * (t -= b2) * t + b4 : t < b6 ? b0 * (t -= b5) * t + b7 : b0 * (t -= b8) * t + b9; +function filterContextListener(listener, index, group) { + listener = contextListener(listener, index, group); + return function(event) { + var related = event.relatedTarget; + if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { + listener.call(this, event); + } + }; } -function bounceInOut(t) { - return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2; +function contextListener(listener, index, group) { + return function(event1) { + var event0 = exports.event; // Events can be reentrant (e.g., focus). + exports.event = event1; + try { + listener.call(this, this.__data__, index, group); + } finally { + exports.event = event0; + } + }; } -var overshoot = 1.70158; +function parseTypenames$1(typenames) { + return typenames.trim().split(/^|\s+/).map(function(t) { + var name = "", i = t.indexOf("."); + if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); + return {type: t, name: name}; + }); +} -var backIn = (function custom(s) { - s = +s; +function onRemove(typename) { + return function() { + var on = this.__on; + if (!on) return; + for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { + if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { + this.removeEventListener(o.type, o.listener, o.capture); + } else { + on[++i] = o; + } + } + if (++i) on.length = i; + else delete this.__on; + }; +} - function backIn(t) { - return t * t * ((s + 1) * t - s); - } +function onAdd(typename, value, capture) { + var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; + return function(d, i, group) { + var on = this.__on, o, listener = wrap(value, i, group); + if (on) for (var j = 0, m = on.length; j < m; ++j) { + if ((o = on[j]).type === typename.type && o.name === typename.name) { + this.removeEventListener(o.type, o.listener, o.capture); + this.addEventListener(o.type, o.listener = listener, o.capture = capture); + o.value = value; + return; + } + } + this.addEventListener(typename.type, listener, capture); + o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; + if (!on) this.__on = [o]; + else on.push(o); + }; +} - backIn.overshoot = custom; +var selection_on = function(typename, value, capture) { + var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t; - return backIn; -})(overshoot); + if (arguments.length < 2) { + var on = this.node().__on; + if (on) for (var j = 0, m = on.length, o; j < m; ++j) { + for (i = 0, o = on[j]; i < n; ++i) { + if ((t = typenames[i]).type === o.type && t.name === o.name) { + return o.value; + } + } + } + return; + } -var backOut = (function custom(s) { - s = +s; + on = value ? onAdd : onRemove; + if (capture == null) capture = false; + for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); + return this; +}; - function backOut(t) { - return --t * t * ((s + 1) * t + s) + 1; +function customEvent(event1, listener, that, args) { + var event0 = exports.event; + event1.sourceEvent = exports.event; + exports.event = event1; + try { + return listener.apply(that, args); + } finally { + exports.event = event0; } +} - backOut.overshoot = custom; - - return backOut; -})(overshoot); +var sourceEvent = function() { + var current = exports.event, source; + while (source = current.sourceEvent) current = source; + return current; +}; -var backInOut = (function custom(s) { - s = +s; +var point = function(node, event) { + var svg = node.ownerSVGElement || node; - function backInOut(t) { - return ((t *= 2) < 1 ? t * t * ((s + 1) * t - s) : (t -= 2) * t * ((s + 1) * t + s) + 2) / 2; + if (svg.createSVGPoint) { + var point = svg.createSVGPoint(); + point.x = event.clientX, point.y = event.clientY; + point = point.matrixTransform(node.getScreenCTM().inverse()); + return [point.x, point.y]; } - backInOut.overshoot = custom; + var rect = node.getBoundingClientRect(); + return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; +}; - return backInOut; -})(overshoot); +var mouse = function(node) { + var event = sourceEvent(); + if (event.changedTouches) event = event.changedTouches[0]; + return point(node, event); +}; -var tau = 2 * Math.PI; -var amplitude = 1; -var period = 0.3; +function none() {} -var elasticIn = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); +var selector = function(selector) { + return selector == null ? none : function() { + return this.querySelector(selector); + }; +}; - function elasticIn(t) { - return a * Math.pow(2, 10 * --t) * Math.sin((s - t) / p); +var selection_select = function(select) { + if (typeof select !== "function") select = selector(select); + + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { + if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { + if ("__data__" in node) subnode.__data__ = node.__data__; + subgroup[i] = subnode; + } + } } - elasticIn.amplitude = function(a) { return custom(a, p * tau); }; - elasticIn.period = function(p) { return custom(a, p); }; + return new Selection(subgroups, this._parents); +}; - return elasticIn; -})(amplitude, period); +function empty$1() { + return []; +} -var elasticOut = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); +var selectorAll = function(selector) { + return selector == null ? empty$1 : function() { + return this.querySelectorAll(selector); + }; +}; - function elasticOut(t) { - return 1 - a * Math.pow(2, -10 * (t = +t)) * Math.sin((t + s) / p); - } +var selection_selectAll = function(select) { + if (typeof select !== "function") select = selectorAll(select); - elasticOut.amplitude = function(a) { return custom(a, p * tau); }; - elasticOut.period = function(p) { return custom(a, p); }; + for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + subgroups.push(select.call(node, node.__data__, i, group)); + parents.push(node); + } + } + } - return elasticOut; -})(amplitude, period); + return new Selection(subgroups, parents); +}; -var elasticInOut = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); +var selection_filter = function(match) { + if (typeof match !== "function") match = matcher$1(match); - function elasticInOut(t) { - return ((t = t * 2 - 1) < 0 - ? a * Math.pow(2, 10 * t) * Math.sin((s - t) / p) - : 2 - a * Math.pow(2, -10 * t) * Math.sin((s + t) / p)) / 2; + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { + if ((node = group[i]) && match.call(node, node.__data__, i, group)) { + subgroup.push(node); + } + } } - elasticInOut.amplitude = function(a) { return custom(a, p * tau); }; - elasticInOut.period = function(p) { return custom(a, p); }; - - return elasticInOut; -})(amplitude, period); + return new Selection(subgroups, this._parents); +}; -var area = function(polygon) { - var i = -1, - n = polygon.length, - a, - b = polygon[n - 1], - area = 0; +var sparse = function(update) { + return new Array(update.length); +}; - while (++i < n) { - a = b; - b = polygon[i]; - area += a[1] * b[0] - a[0] * b[1]; - } - - return area / 2; +var selection_enter = function() { + return new Selection(this._enter || this._groups.map(sparse), this._parents); }; -var centroid = function(polygon) { - var i = -1, - n = polygon.length, - x = 0, - y = 0, - a, - b = polygon[n - 1], - c, - k = 0; - - while (++i < n) { - a = b; - b = polygon[i]; - k += c = a[0] * b[1] - b[0] * a[1]; - x += (a[0] + b[0]) * c; - y += (a[1] + b[1]) * c; - } +function EnterNode(parent, datum) { + this.ownerDocument = parent.ownerDocument; + this.namespaceURI = parent.namespaceURI; + this._next = null; + this._parent = parent; + this.__data__ = datum; +} - return k *= 3, [x / k, y / k]; +EnterNode.prototype = { + constructor: EnterNode, + appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, + insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, + querySelector: function(selector) { return this._parent.querySelector(selector); }, + querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } }; -// Returns the 2D cross product of AB and AC vectors, i.e., the z-component of -// the 3D cross product in a quadrant I Cartesian coordinate system (+x is -// right, +y is up). Returns a positive value if ABC is counter-clockwise, -// negative if clockwise, and zero if the points are collinear. -var cross = function(a, b, c) { - return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); +var constant$1 = function(x) { + return function() { + return x; + }; }; -function lexicographicOrder(a, b) { - return a[0] - b[0] || a[1] - b[1]; +var keyPrefix = "$"; // Protect against keys like “__proto__”. + +function bindIndex(parent, group, enter, update, exit, data) { + var i = 0, + node, + groupLength = group.length, + dataLength = data.length; + + // Put any non-null nodes that fit into update. + // Put any null nodes into enter. + // Put any remaining data into enter. + for (; i < dataLength; ++i) { + if (node = group[i]) { + node.__data__ = data[i]; + update[i] = node; + } else { + enter[i] = new EnterNode(parent, data[i]); + } + } + + // Put any non-null nodes that don’t fit into exit. + for (; i < groupLength; ++i) { + if (node = group[i]) { + exit[i] = node; + } + } } -// Computes the upper convex hull per the monotone chain algorithm. -// Assumes points.length >= 3, is sorted by x, unique in y. -// Returns an array of indices into points in left-to-right order. -function computeUpperHullIndexes(points) { - var n = points.length, - indexes = [0, 1], - size = 2; +function bindKey(parent, group, enter, update, exit, data, key) { + var i, + node, + nodeByKeyValue = {}, + groupLength = group.length, + dataLength = data.length, + keyValues = new Array(groupLength), + keyValue; - for (var i = 2; i < n; ++i) { - while (size > 1 && cross(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size; - indexes[size++] = i; + // Compute the key for each node. + // If multiple nodes have the same key, the duplicates are added to exit. + for (i = 0; i < groupLength; ++i) { + if (node = group[i]) { + keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group); + if (keyValue in nodeByKeyValue) { + exit[i] = node; + } else { + nodeByKeyValue[keyValue] = node; + } + } } - return indexes.slice(0, size); // remove popped points + // Compute the key for each datum. + // If there a node associated with this key, join and add it to update. + // If there is not (or the key is a duplicate), add it to enter. + for (i = 0; i < dataLength; ++i) { + keyValue = keyPrefix + key.call(parent, data[i], i, data); + if (node = nodeByKeyValue[keyValue]) { + update[i] = node; + node.__data__ = data[i]; + nodeByKeyValue[keyValue] = null; + } else { + enter[i] = new EnterNode(parent, data[i]); + } + } + + // Add any remaining nodes that were not bound to data to exit. + for (i = 0; i < groupLength; ++i) { + if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) { + exit[i] = node; + } + } } -var hull = function(points) { - if ((n = points.length) < 3) return null; +var selection_data = function(value, key) { + if (!value) { + data = new Array(this.size()), j = -1; + this.each(function(d) { data[++j] = d; }); + return data; + } - var i, - n, - sortedPoints = new Array(n), - flippedPoints = new Array(n); + var bind = key ? bindKey : bindIndex, + parents = this._parents, + groups = this._groups; - for (i = 0; i < n; ++i) sortedPoints[i] = [+points[i][0], +points[i][1], i]; - sortedPoints.sort(lexicographicOrder); - for (i = 0; i < n; ++i) flippedPoints[i] = [sortedPoints[i][0], -sortedPoints[i][1]]; + if (typeof value !== "function") value = constant$1(value); - var upperIndexes = computeUpperHullIndexes(sortedPoints), - lowerIndexes = computeUpperHullIndexes(flippedPoints); + for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) { + var parent = parents[j], + group = groups[j], + groupLength = group.length, + data = value.call(parent, parent && parent.__data__, j, parents), + dataLength = data.length, + enterGroup = enter[j] = new Array(dataLength), + updateGroup = update[j] = new Array(dataLength), + exitGroup = exit[j] = new Array(groupLength); - // Construct the hull polygon, removing possible duplicate endpoints. - var skipLeft = lowerIndexes[0] === upperIndexes[0], - skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1], - hull = []; + bind(parent, group, enterGroup, updateGroup, exitGroup, data, key); - // Add upper hull in right-to-l order. - // Then add lower hull in left-to-right order. - for (i = upperIndexes.length - 1; i >= 0; --i) hull.push(points[sortedPoints[upperIndexes[i]][2]]); - for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]); + // Now connect the enter nodes to their following update node, such that + // appendChild can insert the materialized enter node before this node, + // rather than at the end of the parent node. + for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) { + if (previous = enterGroup[i0]) { + if (i0 >= i1) i1 = i0 + 1; + while (!(next = updateGroup[i1]) && ++i1 < dataLength); + previous._next = next || null; + } + } + } - return hull; + update = new Selection(update, parents); + update._enter = enter; + update._exit = exit; + return update; }; -var contains = function(polygon, point) { - var n = polygon.length, - p = polygon[n - 1], - x = point[0], y = point[1], - x0 = p[0], y0 = p[1], - x1, y1, - inside = false; +var selection_exit = function() { + return new Selection(this._exit || this._groups.map(sparse), this._parents); +}; - for (var i = 0; i < n; ++i) { - p = polygon[i], x1 = p[0], y1 = p[1]; - if (((y1 > y) !== (y0 > y)) && (x < (x0 - x1) * (y - y1) / (y0 - y1) + x1)) inside = !inside; - x0 = x1, y0 = y1; +var selection_merge = function(selection) { + + for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group0[i] || group1[i]) { + merge[i] = node; + } + } } - return inside; + for (; j < m0; ++j) { + merges[j] = groups0[j]; + } + + return new Selection(merges, this._parents); }; -var length$1 = function(polygon) { - var i = -1, - n = polygon.length, - b = polygon[n - 1], - xa, - ya, - xb = b[0], - yb = b[1], - perimeter = 0; +var selection_order = function() { - while (++i < n) { - xa = xb; - ya = yb; - b = polygon[i]; - xb = b[0]; - yb = b[1]; - xa -= xb; - ya -= yb; - perimeter += Math.sqrt(xa * xa + ya * ya); + for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { + for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) { + if (node = group[i]) { + if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); + next = node; + } + } } - return perimeter; + return this; }; -var pi$1 = Math.PI; -var tau$1 = 2 * pi$1; -var epsilon = 1e-6; -var tauEpsilon = tau$1 - epsilon; +var selection_sort = function(compare) { + if (!compare) compare = ascending$1; -function Path() { - this._x0 = this._y0 = // start of current subpath - this._x1 = this._y1 = null; // end of current subpath - this._ = ""; -} + function compareNode(a, b) { + return a && b ? compare(a.__data__, b.__data__) : !a - !b; + } -function path() { - return new Path; -} + for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group[i]) { + sortgroup[i] = node; + } + } + sortgroup.sort(compareNode); + } -Path.prototype = path.prototype = { - constructor: Path, - moveTo: function(x, y) { - this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y); - }, - closePath: function() { - if (this._x1 !== null) { - this._x1 = this._x0, this._y1 = this._y0; - this._ += "Z"; - } - }, - lineTo: function(x, y) { - this._ += "L" + (this._x1 = +x) + "," + (this._y1 = +y); - }, - quadraticCurveTo: function(x1, y1, x, y) { - this._ += "Q" + (+x1) + "," + (+y1) + "," + (this._x1 = +x) + "," + (this._y1 = +y); - }, - bezierCurveTo: function(x1, y1, x2, y2, x, y) { - this._ += "C" + (+x1) + "," + (+y1) + "," + (+x2) + "," + (+y2) + "," + (this._x1 = +x) + "," + (this._y1 = +y); - }, - arcTo: function(x1, y1, x2, y2, r) { - x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r; - var x0 = this._x1, - y0 = this._y1, - x21 = x2 - x1, - y21 = y2 - y1, - x01 = x0 - x1, - y01 = y0 - y1, - l01_2 = x01 * x01 + y01 * y01; - - // Is the radius negative? Error. - if (r < 0) throw new Error("negative radius: " + r); - - // Is this path empty? Move to (x1,y1). - if (this._x1 === null) { - this._ += "M" + (this._x1 = x1) + "," + (this._y1 = y1); - } + return new Selection(sortgroups, this._parents).order(); +}; - // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. - else if (!(l01_2 > epsilon)) {} +function ascending$1(a, b) { + return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; +} - // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? - // Equivalently, is (x1,y1) coincident with (x2,y2)? - // Or, is the radius zero? Line to (x1,y1). - else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon) || !r) { - this._ += "L" + (this._x1 = x1) + "," + (this._y1 = y1); - } +var selection_call = function() { + var callback = arguments[0]; + arguments[0] = this; + callback.apply(null, arguments); + return this; +}; - // Otherwise, draw an arc! - else { - var x20 = x2 - x0, - y20 = y2 - y0, - l21_2 = x21 * x21 + y21 * y21, - l20_2 = x20 * x20 + y20 * y20, - l21 = Math.sqrt(l21_2), - l01 = Math.sqrt(l01_2), - l = r * Math.tan((pi$1 - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2), - t01 = l / l01, - t21 = l / l21; +var selection_nodes = function() { + var nodes = new Array(this.size()), i = -1; + this.each(function() { nodes[++i] = this; }); + return nodes; +}; - // If the start tangent is not coincident with (x0,y0), line to. - if (Math.abs(t01 - 1) > epsilon) { - this._ += "L" + (x1 + t01 * x01) + "," + (y1 + t01 * y01); - } +var selection_node = function() { - this._ += "A" + r + "," + r + ",0,0," + (+(y01 * x20 > x01 * y20)) + "," + (this._x1 = x1 + t21 * x21) + "," + (this._y1 = y1 + t21 * y21); + for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { + for (var group = groups[j], i = 0, n = group.length; i < n; ++i) { + var node = group[i]; + if (node) return node; } - }, - arc: function(x, y, r, a0, a1, ccw) { - x = +x, y = +y, r = +r; - var dx = r * Math.cos(a0), - dy = r * Math.sin(a0), - x0 = x + dx, - y0 = y + dy, - cw = 1 ^ ccw, - da = ccw ? a0 - a1 : a1 - a0; - - // Is the radius negative? Error. - if (r < 0) throw new Error("negative radius: " + r); + } - // Is this path empty? Move to (x0,y0). - if (this._x1 === null) { - this._ += "M" + x0 + "," + y0; - } + return null; +}; - // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). - else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) { - this._ += "L" + x0 + "," + y0; - } +var selection_size = function() { + var size = 0; + this.each(function() { ++size; }); + return size; +}; - // Is this arc empty? We’re done. - if (!r) return; +var selection_empty = function() { + return !this.node(); +}; - // Is this a complete circle? Draw two arcs to complete the circle. - if (da > tauEpsilon) { - this._ += "A" + r + "," + r + ",0,1," + cw + "," + (x - dx) + "," + (y - dy) + "A" + r + "," + r + ",0,1," + cw + "," + (this._x1 = x0) + "," + (this._y1 = y0); - } +var selection_each = function(callback) { - // Otherwise, draw an arc! - else { - if (da < 0) da = da % tau$1 + tau$1; - this._ += "A" + r + "," + r + ",0," + (+(da >= pi$1)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1)); + for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { + for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { + if (node = group[i]) callback.call(node, node.__data__, i, group); } - }, - rect: function(x, y, w, h) { - this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y) + "h" + (+w) + "v" + (+h) + "h" + (-w) + "Z"; - }, - toString: function() { - return this._; } -}; -var tree_add = function(d) { - var x = +this._x.call(null, d), - y = +this._y.call(null, d); - return add(this.cover(x, y), x, y, d); + return this; }; -function add(tree, x, y, d) { - if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points +function attrRemove(name) { + return function() { + this.removeAttribute(name); + }; +} - var parent, - node = tree._root, - leaf = {data: d}, - x0 = tree._x0, - y0 = tree._y0, - x1 = tree._x1, - y1 = tree._y1, - xm, - ym, - xp, - yp, - right, - bottom, - i, - j; +function attrRemoveNS(fullname) { + return function() { + this.removeAttributeNS(fullname.space, fullname.local); + }; +} - // If the tree is empty, initialize the root as a leaf. - if (!node) return tree._root = leaf, tree; +function attrConstant(name, value) { + return function() { + this.setAttribute(name, value); + }; +} - // Find the existing leaf for the new point, or add it. - while (node.length) { - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree; - } +function attrConstantNS(fullname, value) { + return function() { + this.setAttributeNS(fullname.space, fullname.local, value); + }; +} - // Is the new point is exactly coincident with the existing point? - xp = +tree._x.call(null, node.data); - yp = +tree._y.call(null, node.data); - if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree; +function attrFunction(name, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.removeAttribute(name); + else this.setAttribute(name, v); + }; +} - // Otherwise, split the leaf node until the old and new point are separated. - do { - parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4); - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm))); - return parent[j] = node, parent[i] = leaf, tree; +function attrFunctionNS(fullname, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.removeAttributeNS(fullname.space, fullname.local); + else this.setAttributeNS(fullname.space, fullname.local, v); + }; } -function addAll(data) { - var d, i, n = data.length, - x, - y, - xz = new Array(n), - yz = new Array(n), - x0 = Infinity, - y0 = Infinity, - x1 = -Infinity, - y1 = -Infinity; +var selection_attr = function(name, value) { + var fullname = namespace(name); - // Compute the points and their extent. - for (i = 0; i < n; ++i) { - if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue; - xz[i] = x; - yz[i] = y; - if (x < x0) x0 = x; - if (x > x1) x1 = x; - if (y < y0) y0 = y; - if (y > y1) y1 = y; + if (arguments.length < 2) { + var node = this.node(); + return fullname.local + ? node.getAttributeNS(fullname.space, fullname.local) + : node.getAttribute(fullname); } - // If there were no (valid) points, inherit the existing extent. - if (x1 < x0) x0 = this._x0, x1 = this._x1; - if (y1 < y0) y0 = this._y0, y1 = this._y1; + return this.each((value == null + ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" + ? (fullname.local ? attrFunctionNS : attrFunction) + : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); +}; - // Expand the tree to cover the new points. - this.cover(x0, y0).cover(x1, y1); +var window = function(node) { + return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node + || (node.document && node) // node is a Window + || node.defaultView; // node is a Document +}; - // Add the new points. - for (i = 0; i < n; ++i) { - add(this, xz[i], yz[i], data[i]); - } +function styleRemove(name) { + return function() { + this.style.removeProperty(name); + }; +} - return this; +function styleConstant(name, value, priority) { + return function() { + this.style.setProperty(name, value, priority); + }; } -var tree_cover = function(x, y) { - if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points - - var x0 = this._x0, - y0 = this._y0, - x1 = this._x1, - y1 = this._y1; - - // If the quadtree has no extent, initialize them. - // Integer extent are necessary so that if we later double the extent, - // the existing quadrant boundaries don’t change due to floating point error! - if (isNaN(x0)) { - x1 = (x0 = Math.floor(x)) + 1; - y1 = (y0 = Math.floor(y)) + 1; - } - - // Otherwise, double repeatedly to cover. - else if (x0 > x || x > x1 || y0 > y || y > y1) { - var z = x1 - x0, - node = this._root, - parent, - i; +function styleFunction(name, value, priority) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.style.removeProperty(name); + else this.style.setProperty(name, v, priority); + }; +} - switch (i = (y < (y0 + y1) / 2) << 1 | (x < (x0 + x1) / 2)) { - case 0: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x1 = x0 + z, y1 = y0 + z, x > x1 || y > y1); - break; - } - case 1: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x0 = x1 - z, y1 = y0 + z, x0 > x || y > y1); - break; - } - case 2: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x1 = x0 + z, y0 = y1 - z, x > x1 || y0 > y); - break; - } - case 3: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x0 = x1 - z, y0 = y1 - z, x0 > x || y0 > y); - break; - } - } +var selection_style = function(name, value, priority) { + var node; + return arguments.length > 1 + ? this.each((value == null + ? styleRemove : typeof value === "function" + ? styleFunction + : styleConstant)(name, value, priority == null ? "" : priority)) + : window(node = this.node()) + .getComputedStyle(node, null) + .getPropertyValue(name); +}; - if (this._root && this._root.length) this._root = node; - } +function propertyRemove(name) { + return function() { + delete this[name]; + }; +} - // If the quadtree covers the point already, just return. - else return this; +function propertyConstant(name, value) { + return function() { + this[name] = value; + }; +} - this._x0 = x0; - this._y0 = y0; - this._x1 = x1; - this._y1 = y1; - return this; -}; +function propertyFunction(name, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) delete this[name]; + else this[name] = v; + }; +} -var tree_data = function() { - var data = []; - this.visit(function(node) { - if (!node.length) do data.push(node.data); while (node = node.next) - }); - return data; +var selection_property = function(name, value) { + return arguments.length > 1 + ? this.each((value == null + ? propertyRemove : typeof value === "function" + ? propertyFunction + : propertyConstant)(name, value)) + : this.node()[name]; }; -var tree_extent = function(_) { - return arguments.length - ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) - : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; -}; +function classArray(string) { + return string.trim().split(/^|\s+/); +} -var Quad = function(node, x0, y0, x1, y1) { - this.node = node; - this.x0 = x0; - this.y0 = y0; - this.x1 = x1; - this.y1 = y1; -}; +function classList(node) { + return node.classList || new ClassList(node); +} -var tree_find = function(x, y, radius) { - var data, - x0 = this._x0, - y0 = this._y0, - x1, - y1, - x2, - y2, - x3 = this._x1, - y3 = this._y1, - quads = [], - node = this._root, - q, - i; +function ClassList(node) { + this._node = node; + this._names = classArray(node.getAttribute("class") || ""); +} - if (node) quads.push(new Quad(node, x0, y0, x3, y3)); - if (radius == null) radius = Infinity; - else { - x0 = x - radius, y0 = y - radius; - x3 = x + radius, y3 = y + radius; - radius *= radius; +ClassList.prototype = { + add: function(name) { + var i = this._names.indexOf(name); + if (i < 0) { + this._names.push(name); + this._node.setAttribute("class", this._names.join(" ")); + } + }, + remove: function(name) { + var i = this._names.indexOf(name); + if (i >= 0) { + this._names.splice(i, 1); + this._node.setAttribute("class", this._names.join(" ")); + } + }, + contains: function(name) { + return this._names.indexOf(name) >= 0; } +}; - while (q = quads.pop()) { +function classedAdd(node, names) { + var list = classList(node), i = -1, n = names.length; + while (++i < n) list.add(names[i]); +} - // Stop searching if this quadrant can’t contain a closer node. - if (!(node = q.node) - || (x1 = q.x0) > x3 - || (y1 = q.y0) > y3 - || (x2 = q.x1) < x0 - || (y2 = q.y1) < y0) continue; +function classedRemove(node, names) { + var list = classList(node), i = -1, n = names.length; + while (++i < n) list.remove(names[i]); +} - // Bisect the current quadrant. - if (node.length) { - var xm = (x1 + x2) / 2, - ym = (y1 + y2) / 2; +function classedTrue(names) { + return function() { + classedAdd(this, names); + }; +} - quads.push( - new Quad(node[3], xm, ym, x2, y2), - new Quad(node[2], x1, ym, xm, y2), - new Quad(node[1], xm, y1, x2, ym), - new Quad(node[0], x1, y1, xm, ym) - ); +function classedFalse(names) { + return function() { + classedRemove(this, names); + }; +} - // Visit the closest quadrant first. - if (i = (y >= ym) << 1 | (x >= xm)) { - q = quads[quads.length - 1]; - quads[quads.length - 1] = quads[quads.length - 1 - i]; - quads[quads.length - 1 - i] = q; - } - } +function classedFunction(names, value) { + return function() { + (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names); + }; +} - // Visit this point. (Visiting coincident points isn’t necessary!) - else { - var dx = x - +this._x.call(null, node.data), - dy = y - +this._y.call(null, node.data), - d2 = dx * dx + dy * dy; - if (d2 < radius) { - var d = Math.sqrt(radius = d2); - x0 = x - d, y0 = y - d; - x3 = x + d, y3 = y + d; - data = node.data; - } - } +var selection_classed = function(name, value) { + var names = classArray(name + ""); + + if (arguments.length < 2) { + var list = classList(this.node()), i = -1, n = names.length; + while (++i < n) if (!list.contains(names[i])) return false; + return true; } - return data; + return this.each((typeof value === "function" + ? classedFunction : value + ? classedTrue + : classedFalse)(names, value)); }; -var tree_remove = function(d) { - if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points - - var parent, - node = this._root, - retainer, - previous, - next, - x0 = this._x0, - y0 = this._y0, - x1 = this._x1, - y1 = this._y1, - x, - y, - xm, - ym, - right, - bottom, - i, - j; +function textRemove() { + this.textContent = ""; +} - // If the tree is empty, initialize the root as a leaf. - if (!node) return this; - - // Find the leaf node for the point. - // While descending, also retain the deepest parent with a non-removed sibling. - if (node.length) while (true) { - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - if (!(parent = node, node = node[i = bottom << 1 | right])) return this; - if (!node.length) break; - if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i; - } +function textConstant(value) { + return function() { + this.textContent = value; + }; +} - // Find the point to remove. - while (node.data !== d) if (!(previous = node, node = node.next)) return this; - if (next = node.next) delete node.next; +function textFunction(value) { + return function() { + var v = value.apply(this, arguments); + this.textContent = v == null ? "" : v; + }; +} - // If there are multiple coincident points, remove just the point. - if (previous) return (next ? previous.next = next : delete previous.next), this; +var selection_text = function(value) { + return arguments.length + ? this.each(value == null + ? textRemove : (typeof value === "function" + ? textFunction + : textConstant)(value)) + : this.node().textContent; +}; - // If this is the root point, remove it. - if (!parent) return this._root = next, this; +function htmlRemove() { + this.innerHTML = ""; +} - // Remove this leaf. - next ? parent[i] = next : delete parent[i]; +function htmlConstant(value) { + return function() { + this.innerHTML = value; + }; +} - // If the parent now contains exactly one leaf, collapse superfluous parents. - if ((node = parent[0] || parent[1] || parent[2] || parent[3]) - && node === (parent[3] || parent[2] || parent[1] || parent[0]) - && !node.length) { - if (retainer) retainer[j] = node; - else this._root = node; - } +function htmlFunction(value) { + return function() { + var v = value.apply(this, arguments); + this.innerHTML = v == null ? "" : v; + }; +} - return this; +var selection_html = function(value) { + return arguments.length + ? this.each(value == null + ? htmlRemove : (typeof value === "function" + ? htmlFunction + : htmlConstant)(value)) + : this.node().innerHTML; }; -function removeAll(data) { - for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); - return this; +function raise() { + if (this.nextSibling) this.parentNode.appendChild(this); } -var tree_root = function() { - return this._root; +var selection_raise = function() { + return this.each(raise); }; -var tree_size = function() { - var size = 0; - this.visit(function(node) { - if (!node.length) do ++size; while (node = node.next) - }); - return size; -}; +function lower() { + if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); +} -var tree_visit = function(callback) { - var quads = [], q, node = this._root, child, x0, y0, x1, y1; - if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); - while (q = quads.pop()) { - if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) { - var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; - if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); - if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); - if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); - if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); - } - } - return this; +var selection_lower = function() { + return this.each(lower); }; -var tree_visitAfter = function(callback) { - var quads = [], next = [], q; - if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); - while (q = quads.pop()) { - var node = q.node; - if (node.length) { - var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; - if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); - if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); - if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); - if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); - } - next.push(q); - } - while (q = next.pop()) { - callback(q.node, q.x0, q.y0, q.x1, q.y1); - } - return this; +var selection_append = function(name) { + var create = typeof name === "function" ? name : creator(name); + return this.select(function() { + return this.appendChild(create.apply(this, arguments)); + }); }; -function defaultX(d) { - return d[0]; +function constantNull() { + return null; } -var tree_x = function(_) { - return arguments.length ? (this._x = _, this) : this._x; +var selection_insert = function(name, before) { + var create = typeof name === "function" ? name : creator(name), + select = before == null ? constantNull : typeof before === "function" ? before : selector(before); + return this.select(function() { + return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); + }); }; -function defaultY(d) { - return d[1]; +function remove() { + var parent = this.parentNode; + if (parent) parent.removeChild(this); } -var tree_y = function(_) { - return arguments.length ? (this._y = _, this) : this._y; +var selection_remove = function() { + return this.each(remove); }; -function quadtree(nodes, x, y) { - var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); - return nodes == null ? tree : tree.addAll(nodes); +var selection_datum = function(value) { + return arguments.length + ? this.property("__data__", value) + : this.node().__data__; +}; + +function dispatchEvent(node, type, params) { + var window$$1 = window(node), + event = window$$1.CustomEvent; + + if (event) { + event = new event(type, params); + } else { + event = window$$1.document.createEvent("Event"); + if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; + else event.initEvent(type, false, false); + } + + node.dispatchEvent(event); } -function Quadtree(x, y, x0, y0, x1, y1) { - this._x = x; - this._y = y; - this._x0 = x0; - this._y0 = y0; - this._x1 = x1; - this._y1 = y1; - this._root = undefined; +function dispatchConstant(type, params) { + return function() { + return dispatchEvent(this, type, params); + }; } -function leaf_copy(leaf) { - var copy = {data: leaf.data}, next = copy; - while (leaf = leaf.next) next = next.next = {data: leaf.data}; - return copy; +function dispatchFunction(type, params) { + return function() { + return dispatchEvent(this, type, params.apply(this, arguments)); + }; } -var treeProto = quadtree.prototype = Quadtree.prototype; +var selection_dispatch = function(type, params) { + return this.each((typeof params === "function" + ? dispatchFunction + : dispatchConstant)(type, params)); +}; -treeProto.copy = function() { - var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), - node = this._root, - nodes, - child; +var root = [null]; - if (!node) return copy; +function Selection(groups, parents) { + this._groups = groups; + this._parents = parents; +} - if (!node.length) return copy._root = leaf_copy(node), copy; +function selection() { + return new Selection([[document.documentElement]], root); +} - nodes = [{source: node, target: copy._root = new Array(4)}]; - while (node = nodes.pop()) { - for (var i = 0; i < 4; ++i) { - if (child = node.source[i]) { - if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)}); - else node.target[i] = leaf_copy(child); - } - } - } +Selection.prototype = selection.prototype = { + constructor: Selection, + select: selection_select, + selectAll: selection_selectAll, + filter: selection_filter, + data: selection_data, + enter: selection_enter, + exit: selection_exit, + merge: selection_merge, + order: selection_order, + sort: selection_sort, + call: selection_call, + nodes: selection_nodes, + node: selection_node, + size: selection_size, + empty: selection_empty, + each: selection_each, + attr: selection_attr, + style: selection_style, + property: selection_property, + classed: selection_classed, + text: selection_text, + html: selection_html, + raise: selection_raise, + lower: selection_lower, + append: selection_append, + insert: selection_insert, + remove: selection_remove, + datum: selection_datum, + on: selection_on, + dispatch: selection_dispatch +}; - return copy; +var select = function(selector) { + return typeof selector === "string" + ? new Selection([[document.querySelector(selector)]], [document.documentElement]) + : new Selection([[selector]], root); }; -treeProto.add = tree_add; -treeProto.addAll = addAll; -treeProto.cover = tree_cover; -treeProto.data = tree_data; -treeProto.extent = tree_extent; -treeProto.find = tree_find; -treeProto.remove = tree_remove; -treeProto.removeAll = removeAll; -treeProto.root = tree_root; -treeProto.size = tree_size; -treeProto.visit = tree_visit; -treeProto.visitAfter = tree_visitAfter; -treeProto.x = tree_x; -treeProto.y = tree_y; - -var slice$1 = [].slice; - -var noabort = {}; +var selectAll = function(selector) { + return typeof selector === "string" + ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) + : new Selection([selector == null ? [] : selector], root); +}; -function Queue(size) { - if (!(size >= 1)) throw new Error; - this._size = size; - this._call = - this._error = null; - this._tasks = []; - this._data = []; - this._waiting = - this._active = - this._ended = - this._start = 0; // inside a synchronous task callback? -} +var touch = function(node, touches, identifier) { + if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; -Queue.prototype = queue.prototype = { - constructor: Queue, - defer: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; - if (this._error != null) return this; - var t = slice$1.call(arguments, 1); - t.push(callback); - ++this._waiting, this._tasks.push(t); - poke(this); - return this; - }, - abort: function() { - if (this._error == null) abort(this, new Error("abort")); - return this; - }, - await: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; - this._call = function(error, results) { callback.apply(null, [error].concat(results)); }; - maybeNotify(this); - return this; - }, - awaitAll: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; - this._call = callback; - maybeNotify(this); - return this; + for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) { + if ((touch = touches[i]).identifier === identifier) { + return point(node, touch); + } } + + return null; }; -function poke(q) { - if (!q._start) { - try { start(q); } // let the current task complete - catch (e) { - if (q._tasks[q._ended + q._active - 1]) abort(q, e); // task errored synchronously - else if (!q._data) throw e; // await callback errored synchronously - } - } -} +var touches = function(node, touches) { + if (touches == null) touches = sourceEvent().touches; -function start(q) { - while (q._start = q._waiting && q._active < q._size) { - var i = q._ended + q._active, - t = q._tasks[i], - j = t.length - 1, - c = t[j]; - t[j] = end(q, i); - --q._waiting, ++q._active; - t = c.apply(null, t); - if (!q._tasks[i]) continue; // task finished synchronously - q._tasks[i] = t || noabort; + for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) { + points[i] = point(node, touches[i]); } -} -function end(q, i) { - return function(e, r) { - if (!q._tasks[i]) return; // ignore multiple callbacks - --q._active, ++q._ended; - q._tasks[i] = null; - if (q._error != null) return; // ignore secondary errors - if (e != null) { - abort(q, e); - } else { - q._data[i] = r; - if (q._waiting) poke(q); - else maybeNotify(q); - } - }; + return points; +}; + +function nopropagation() { + exports.event.stopImmediatePropagation(); } -function abort(q, e) { - var i = q._tasks.length, t; - q._error = e; // ignore active callbacks - q._data = undefined; // allow gc - q._waiting = NaN; // prevent starting +var noevent = function() { + exports.event.preventDefault(); + exports.event.stopImmediatePropagation(); +}; - while (--i >= 0) { - if (t = q._tasks[i]) { - q._tasks[i] = null; - if (t.abort) { - try { t.abort(); } - catch (e) { /* ignore */ } - } - } +var dragDisable = function(view) { + var root = view.document.documentElement, + selection$$1 = select(view).on("dragstart.drag", noevent, true); + if ("onselectstart" in root) { + selection$$1.on("selectstart.drag", noevent, true); + } else { + root.__noselect = root.style.MozUserSelect; + root.style.MozUserSelect = "none"; } +}; - q._active = NaN; // allow notification - maybeNotify(q); -} - -function maybeNotify(q) { - if (!q._active && q._call) { - var d = q._data; - q._data = undefined; // allow gc - q._call(q._error, d); +function yesdrag(view, noclick) { + var root = view.document.documentElement, + selection$$1 = select(view).on("dragstart.drag", null); + if (noclick) { + selection$$1.on("click.drag", noevent, true); + setTimeout(function() { selection$$1.on("click.drag", null); }, 0); + } + if ("onselectstart" in root) { + selection$$1.on("selectstart.drag", null); + } else { + root.style.MozUserSelect = root.__noselect; + delete root.__noselect; } -} - -function queue(concurrency) { - return new Queue(arguments.length ? +concurrency : Infinity); } var constant$2 = function(x) { - return function constant() { + return function() { return x; }; }; -var epsilon$1 = 1e-12; -var pi$2 = Math.PI; -var halfPi$1 = pi$2 / 2; -var tau$2 = 2 * pi$2; - -function arcInnerRadius(d) { - return d.innerRadius; -} - -function arcOuterRadius(d) { - return d.outerRadius; +function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) { + this.target = target; + this.type = type; + this.subject = subject; + this.identifier = id; + this.active = active; + this.x = x; + this.y = y; + this.dx = dx; + this.dy = dy; + this._ = dispatch; } -function arcStartAngle(d) { - return d.startAngle; -} +DragEvent.prototype.on = function() { + var value = this._.on.apply(this._, arguments); + return value === this._ ? this : value; +}; -function arcEndAngle(d) { - return d.endAngle; +// Ignore right-click, since that should open the context menu. +function defaultFilter$1() { + return !exports.event.button; } -function arcPadAngle(d) { - return d && d.padAngle; // Note: optional! +function defaultContainer() { + return this.parentNode; } -function asin(x) { - return x >= 1 ? halfPi$1 : x <= -1 ? -halfPi$1 : Math.asin(x); +function defaultSubject(d) { + return d == null ? {x: exports.event.x, y: exports.event.y} : d; } -function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { - var x10 = x1 - x0, y10 = y1 - y0, - x32 = x3 - x2, y32 = y3 - y2, - t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / (y32 * x10 - x32 * y10); - return [x0 + t * x10, y0 + t * y10]; -} +var drag = function() { + var filter = defaultFilter$1, + container = defaultContainer, + subject = defaultSubject, + gestures = {}, + listeners = dispatch("start", "drag", "end"), + active = 0, + mousemoving, + touchending; -// Compute perpendicular offset line of length rc. -// http://mathworld.wolfram.com/Circle-LineIntersection.html -function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { - var x01 = x0 - x1, - y01 = y0 - y1, - lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), - ox = lo * y01, - oy = -lo * x01, - x11 = x0 + ox, - y11 = y0 + oy, - x10 = x1 + ox, - y10 = y1 + oy, - x00 = (x11 + x10) / 2, - y00 = (y11 + y10) / 2, - dx = x10 - x11, - dy = y10 - y11, - d2 = dx * dx + dy * dy, - r = r1 - rc, - D = x11 * y10 - x10 * y11, - d = (dy < 0 ? -1 : 1) * Math.sqrt(Math.max(0, r * r * d2 - D * D)), - cx0 = (D * dy - dx * d) / d2, - cy0 = (-D * dx - dy * d) / d2, - cx1 = (D * dy + dx * d) / d2, - cy1 = (-D * dx + dy * d) / d2, - dx0 = cx0 - x00, - dy0 = cy0 - y00, - dx1 = cx1 - x00, - dy1 = cy1 - y00; + function drag(selection$$1) { + selection$$1 + .on("mousedown.drag", mousedowned) + .on("touchstart.drag", touchstarted) + .on("touchmove.drag", touchmoved) + .on("touchend.drag touchcancel.drag", touchended) + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); + } - // Pick the closer of the two intersection points. - // TODO Is there a faster way to determine which intersection to use? - if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; + function mousedowned() { + if (touchending || !filter.apply(this, arguments)) return; + var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments); + if (!gesture) return; + select(exports.event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); + dragDisable(exports.event.view); + nopropagation(); + mousemoving = false; + gesture("start"); + } - return { - cx: cx0, - cy: cy0, - x01: -ox, - y01: -oy, - x11: cx0 * (r1 / r - 1), - y11: cy0 * (r1 / r - 1) - }; -} - -var arc = function() { - var innerRadius = arcInnerRadius, - outerRadius = arcOuterRadius, - cornerRadius = constant$2(0), - padRadius = null, - startAngle = arcStartAngle, - endAngle = arcEndAngle, - padAngle = arcPadAngle, - context = null; - - function arc() { - var buffer, - r, - r0 = +innerRadius.apply(this, arguments), - r1 = +outerRadius.apply(this, arguments), - a0 = startAngle.apply(this, arguments) - halfPi$1, - a1 = endAngle.apply(this, arguments) - halfPi$1, - da = Math.abs(a1 - a0), - cw = a1 > a0; - - if (!context) context = buffer = path(); + function mousemoved() { + noevent(); + mousemoving = true; + gestures.mouse("drag"); + } - // Ensure that the outer radius is always larger than the inner radius. - if (r1 < r0) r = r1, r1 = r0, r0 = r; + function mouseupped() { + select(exports.event.view).on("mousemove.drag mouseup.drag", null); + yesdrag(exports.event.view, mousemoving); + noevent(); + gestures.mouse("end"); + } - // Is it a point? - if (!(r1 > epsilon$1)) context.moveTo(0, 0); + function touchstarted() { + if (!filter.apply(this, arguments)) return; + var touches$$1 = exports.event.changedTouches, + c = container.apply(this, arguments), + n = touches$$1.length, i, gesture; - // Or is it a circle or annulus? - else if (da > tau$2 - epsilon$1) { - context.moveTo(r1 * Math.cos(a0), r1 * Math.sin(a0)); - context.arc(0, 0, r1, a0, a1, !cw); - if (r0 > epsilon$1) { - context.moveTo(r0 * Math.cos(a1), r0 * Math.sin(a1)); - context.arc(0, 0, r0, a1, a0, cw); + for (i = 0; i < n; ++i) { + if (gesture = beforestart(touches$$1[i].identifier, c, touch, this, arguments)) { + nopropagation(); + gesture("start"); } } + } - // Or is it a circular or annular sector? - else { - var a01 = a0, - a11 = a1, - a00 = a0, - a10 = a1, - da0 = da, - da1 = da, - ap = padAngle.apply(this, arguments) / 2, - rp = (ap > epsilon$1) && (padRadius ? +padRadius.apply(this, arguments) : Math.sqrt(r0 * r0 + r1 * r1)), - rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments)), - rc0 = rc, - rc1 = rc, - t0, - t1; - - // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0. - if (rp > epsilon$1) { - var p0 = asin(rp / r0 * Math.sin(ap)), - p1 = asin(rp / r1 * Math.sin(ap)); - if ((da0 -= p0 * 2) > epsilon$1) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0; - else da0 = 0, a00 = a10 = (a0 + a1) / 2; - if ((da1 -= p1 * 2) > epsilon$1) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1; - else da1 = 0, a01 = a11 = (a0 + a1) / 2; - } - - var x01 = r1 * Math.cos(a01), - y01 = r1 * Math.sin(a01), - x10 = r0 * Math.cos(a10), - y10 = r0 * Math.sin(a10); - - // Apply rounded corners? - if (rc > epsilon$1) { - var x11 = r1 * Math.cos(a11), - y11 = r1 * Math.sin(a11), - x00 = r0 * Math.cos(a00), - y00 = r0 * Math.sin(a00); - - // Restrict the corner radius according to the sector angle. - if (da < pi$2) { - var oc = da0 > epsilon$1 ? intersect(x01, y01, x00, y00, x11, y11, x10, y10) : [x10, y10], - ax = x01 - oc[0], - ay = y01 - oc[1], - bx = x11 - oc[0], - by = y11 - oc[1], - kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), - lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]); - rc0 = Math.min(rc, (r0 - lc) / (kc - 1)); - rc1 = Math.min(rc, (r1 - lc) / (kc + 1)); - } - } - - // Is the sector collapsed to a line? - if (!(da1 > epsilon$1)) context.moveTo(x01, y01); - - // Does the sector’s outer ring have rounded corners? - else if (rc1 > epsilon$1) { - t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw); - t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw); - - context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01); - - // Have the corners merged? - if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw); + function touchmoved() { + var touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, gesture; - // Otherwise, draw the two corners and the ring. - else { - context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw); - context.arc(0, 0, r1, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), !cw); - context.arc(t1.cx, t1.cy, rc1, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw); - } + for (i = 0; i < n; ++i) { + if (gesture = gestures[touches$$1[i].identifier]) { + noevent(); + gesture("drag"); } + } + } - // Or is the outer ring just a circular arc? - else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw); - - // Is there no inner ring, and it’s a circular sector? - // Or perhaps it’s an annular sector collapsed due to padding? - if (!(r0 > epsilon$1) || !(da0 > epsilon$1)) context.lineTo(x10, y10); - - // Does the sector’s inner ring (or point) have rounded corners? - else if (rc0 > epsilon$1) { - t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw); - t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw); - - context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01); - - // Have the corners merged? - if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw); + function touchended() { + var touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, gesture; - // Otherwise, draw the two corners and the ring. - else { - context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw); - context.arc(0, 0, r0, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), cw); - context.arc(t1.cx, t1.cy, rc0, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw); - } + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! + for (i = 0; i < n; ++i) { + if (gesture = gestures[touches$$1[i].identifier]) { + nopropagation(); + gesture("end"); } - - // Or is the inner ring just a circular arc? - else context.arc(0, 0, r0, a10, a00, cw); } - - context.closePath(); - - if (buffer) return context = null, buffer + "" || null; } - arc.centroid = function() { - var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, - a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi$2 / 2; - return [Math.cos(a) * r, Math.sin(a) * r]; - }; - - arc.innerRadius = function(_) { - return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$2(+_), arc) : innerRadius; - }; - - arc.outerRadius = function(_) { - return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$2(+_), arc) : outerRadius; - }; + function beforestart(id, container, point, that, args) { + var p = point(container, id), s, dx, dy, + sublisteners = listeners.copy(); - arc.cornerRadius = function(_) { - return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$2(+_), arc) : cornerRadius; - }; + if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { + if ((exports.event.subject = s = subject.apply(that, args)) == null) return false; + dx = s.x - p[0] || 0; + dy = s.y - p[1] || 0; + return true; + })) return; - arc.padRadius = function(_) { - return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$2(+_), arc) : padRadius; - }; + return function gesture(type) { + var p0 = p, n; + switch (type) { + case "start": gestures[id] = gesture, n = active++; break; + case "end": delete gestures[id], --active; // nobreak + case "drag": p = point(container, id), n = active; break; + } + customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); + }; + } - arc.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$2(+_), arc) : startAngle; + drag.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$2(!!_), drag) : filter; }; - arc.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$2(+_), arc) : endAngle; + drag.container = function(_) { + return arguments.length ? (container = typeof _ === "function" ? _ : constant$2(_), drag) : container; }; - arc.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$2(+_), arc) : padAngle; + drag.subject = function(_) { + return arguments.length ? (subject = typeof _ === "function" ? _ : constant$2(_), drag) : subject; }; - arc.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), arc) : context; + drag.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? drag : value; }; - return arc; -}; - -function Linear(context) { - this._context = context; -} - -Linear.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed - default: this._context.lineTo(x, y); break; - } - } + return drag; }; -var curveLinear = function(context) { - return new Linear(context); +var define = function(constructor, factory, prototype) { + constructor.prototype = factory.prototype = prototype; + prototype.constructor = constructor; }; -function x(p) { - return p[0]; -} - -function y(p) { - return p[1]; +function extend(parent, definition) { + var prototype = Object.create(parent.prototype); + for (var key in definition) prototype[key] = definition[key]; + return prototype; } -var line = function() { - var x$$1 = x, - y$$1 = y, - defined = constant$2(true), - context = null, - curve = curveLinear, - output = null; - - function line(data) { - var i, - n = data.length, - d, - defined0 = false, - buffer; +function Color() {} - if (context == null) output = curve(buffer = path()); +var darker = 0.7; +var brighter = 1 / darker; - for (i = 0; i <= n; ++i) { - if (!(i < n && defined(d = data[i], i, data)) === defined0) { - if (defined0 = !defined0) output.lineStart(); - else output.lineEnd(); - } - if (defined0) output.point(+x$$1(d, i, data), +y$$1(d, i, data)); - } +var reI = "\\s*([+-]?\\d+)\\s*"; +var reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*"; +var reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*"; +var reHex3 = /^#([0-9a-f]{3})$/; +var reHex6 = /^#([0-9a-f]{6})$/; +var reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"); +var reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"); +var reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"); +var reRgbaPercent = new RegExp("^rgba\\(" + [reP, reP, reP, reN] + "\\)$"); +var reHslPercent = new RegExp("^hsl\\(" + [reN, reP, reP] + "\\)$"); +var reHslaPercent = new RegExp("^hsla\\(" + [reN, reP, reP, reN] + "\\)$"); - if (buffer) return output = null, buffer + "" || null; - } - - line.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$2(+_), line) : x$$1; - }; - - line.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$2(+_), line) : y$$1; - }; - - line.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$2(!!_), line) : defined; - }; - - line.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; - }; - - line.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; - }; - - return line; +var named = { + aliceblue: 0xf0f8ff, + antiquewhite: 0xfaebd7, + aqua: 0x00ffff, + aquamarine: 0x7fffd4, + azure: 0xf0ffff, + beige: 0xf5f5dc, + bisque: 0xffe4c4, + black: 0x000000, + blanchedalmond: 0xffebcd, + blue: 0x0000ff, + blueviolet: 0x8a2be2, + brown: 0xa52a2a, + burlywood: 0xdeb887, + cadetblue: 0x5f9ea0, + chartreuse: 0x7fff00, + chocolate: 0xd2691e, + coral: 0xff7f50, + cornflowerblue: 0x6495ed, + cornsilk: 0xfff8dc, + crimson: 0xdc143c, + cyan: 0x00ffff, + darkblue: 0x00008b, + darkcyan: 0x008b8b, + darkgoldenrod: 0xb8860b, + darkgray: 0xa9a9a9, + darkgreen: 0x006400, + darkgrey: 0xa9a9a9, + darkkhaki: 0xbdb76b, + darkmagenta: 0x8b008b, + darkolivegreen: 0x556b2f, + darkorange: 0xff8c00, + darkorchid: 0x9932cc, + darkred: 0x8b0000, + darksalmon: 0xe9967a, + darkseagreen: 0x8fbc8f, + darkslateblue: 0x483d8b, + darkslategray: 0x2f4f4f, + darkslategrey: 0x2f4f4f, + darkturquoise: 0x00ced1, + darkviolet: 0x9400d3, + deeppink: 0xff1493, + deepskyblue: 0x00bfff, + dimgray: 0x696969, + dimgrey: 0x696969, + dodgerblue: 0x1e90ff, + firebrick: 0xb22222, + floralwhite: 0xfffaf0, + forestgreen: 0x228b22, + fuchsia: 0xff00ff, + gainsboro: 0xdcdcdc, + ghostwhite: 0xf8f8ff, + gold: 0xffd700, + goldenrod: 0xdaa520, + gray: 0x808080, + green: 0x008000, + greenyellow: 0xadff2f, + grey: 0x808080, + honeydew: 0xf0fff0, + hotpink: 0xff69b4, + indianred: 0xcd5c5c, + indigo: 0x4b0082, + ivory: 0xfffff0, + khaki: 0xf0e68c, + lavender: 0xe6e6fa, + lavenderblush: 0xfff0f5, + lawngreen: 0x7cfc00, + lemonchiffon: 0xfffacd, + lightblue: 0xadd8e6, + lightcoral: 0xf08080, + lightcyan: 0xe0ffff, + lightgoldenrodyellow: 0xfafad2, + lightgray: 0xd3d3d3, + lightgreen: 0x90ee90, + lightgrey: 0xd3d3d3, + lightpink: 0xffb6c1, + lightsalmon: 0xffa07a, + lightseagreen: 0x20b2aa, + lightskyblue: 0x87cefa, + lightslategray: 0x778899, + lightslategrey: 0x778899, + lightsteelblue: 0xb0c4de, + lightyellow: 0xffffe0, + lime: 0x00ff00, + limegreen: 0x32cd32, + linen: 0xfaf0e6, + magenta: 0xff00ff, + maroon: 0x800000, + mediumaquamarine: 0x66cdaa, + mediumblue: 0x0000cd, + mediumorchid: 0xba55d3, + mediumpurple: 0x9370db, + mediumseagreen: 0x3cb371, + mediumslateblue: 0x7b68ee, + mediumspringgreen: 0x00fa9a, + mediumturquoise: 0x48d1cc, + mediumvioletred: 0xc71585, + midnightblue: 0x191970, + mintcream: 0xf5fffa, + mistyrose: 0xffe4e1, + moccasin: 0xffe4b5, + navajowhite: 0xffdead, + navy: 0x000080, + oldlace: 0xfdf5e6, + olive: 0x808000, + olivedrab: 0x6b8e23, + orange: 0xffa500, + orangered: 0xff4500, + orchid: 0xda70d6, + palegoldenrod: 0xeee8aa, + palegreen: 0x98fb98, + paleturquoise: 0xafeeee, + palevioletred: 0xdb7093, + papayawhip: 0xffefd5, + peachpuff: 0xffdab9, + peru: 0xcd853f, + pink: 0xffc0cb, + plum: 0xdda0dd, + powderblue: 0xb0e0e6, + purple: 0x800080, + rebeccapurple: 0x663399, + red: 0xff0000, + rosybrown: 0xbc8f8f, + royalblue: 0x4169e1, + saddlebrown: 0x8b4513, + salmon: 0xfa8072, + sandybrown: 0xf4a460, + seagreen: 0x2e8b57, + seashell: 0xfff5ee, + sienna: 0xa0522d, + silver: 0xc0c0c0, + skyblue: 0x87ceeb, + slateblue: 0x6a5acd, + slategray: 0x708090, + slategrey: 0x708090, + snow: 0xfffafa, + springgreen: 0x00ff7f, + steelblue: 0x4682b4, + tan: 0xd2b48c, + teal: 0x008080, + thistle: 0xd8bfd8, + tomato: 0xff6347, + turquoise: 0x40e0d0, + violet: 0xee82ee, + wheat: 0xf5deb3, + white: 0xffffff, + whitesmoke: 0xf5f5f5, + yellow: 0xffff00, + yellowgreen: 0x9acd32 }; -var area$1 = function() { - var x0 = x, - x1 = null, - y0 = constant$2(0), - y1 = y, - defined = constant$2(true), - context = null, - curve = curveLinear, - output = null; - - function area(data) { - var i, - j, - k, - n = data.length, - d, - defined0 = false, - buffer, - x0z = new Array(n), - y0z = new Array(n); - - if (context == null) output = curve(buffer = path()); - - for (i = 0; i <= n; ++i) { - if (!(i < n && defined(d = data[i], i, data)) === defined0) { - if (defined0 = !defined0) { - j = i; - output.areaStart(); - output.lineStart(); - } else { - output.lineEnd(); - output.lineStart(); - for (k = i - 1; k >= j; --k) { - output.point(x0z[k], y0z[k]); - } - output.lineEnd(); - output.areaEnd(); - } - } - if (defined0) { - x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data); - output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]); - } - } - - if (buffer) return output = null, buffer + "" || null; - } - - function arealine() { - return line().defined(defined).curve(curve).context(context); +define(Color, color, { + displayable: function() { + return this.rgb().displayable(); + }, + toString: function() { + return this.rgb() + ""; } +}); - area.x = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$2(+_), x1 = null, area) : x0; - }; - - area.x0 = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$2(+_), area) : x0; - }; - - area.x1 = function(_) { - return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$2(+_), area) : x1; - }; - - area.y = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$2(+_), y1 = null, area) : y0; - }; - - area.y0 = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$2(+_), area) : y0; - }; - - area.y1 = function(_) { - return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$2(+_), area) : y1; - }; - - area.lineX0 = - area.lineY0 = function() { - return arealine().x(x0).y(y0); - }; - - area.lineY1 = function() { - return arealine().x(x0).y(y1); - }; - - area.lineX1 = function() { - return arealine().x(x1).y(y0); - }; - - area.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$2(!!_), area) : defined; - }; - - area.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; - }; - - area.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; - }; - - return area; -}; +function color(format) { + var m; + format = (format + "").trim().toLowerCase(); + return (m = reHex3.exec(format)) ? (m = parseInt(m[1], 16), new Rgb((m >> 8 & 0xf) | (m >> 4 & 0x0f0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1)) // #f00 + : (m = reHex6.exec(format)) ? rgbn(parseInt(m[1], 16)) // #ff0000 + : (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0) + : (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%) + : (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1) + : (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1) + : (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%) + : (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1) + : named.hasOwnProperty(format) ? rgbn(named[format]) + : format === "transparent" ? new Rgb(NaN, NaN, NaN, 0) + : null; +} -var descending$1 = function(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; -}; +function rgbn(n) { + return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1); +} -var identity$1 = function(d) { - return d; -}; +function rgba(r, g, b, a) { + if (a <= 0) r = g = b = NaN; + return new Rgb(r, g, b, a); +} -var pie = function() { - var value = identity$1, - sortValues = descending$1, - sort = null, - startAngle = constant$2(0), - endAngle = constant$2(tau$2), - padAngle = constant$2(0); +function rgbConvert(o) { + if (!(o instanceof Color)) o = color(o); + if (!o) return new Rgb; + o = o.rgb(); + return new Rgb(o.r, o.g, o.b, o.opacity); +} - function pie(data) { - var i, - n = data.length, - j, - k, - sum = 0, - index = new Array(n), - arcs = new Array(n), - a0 = +startAngle.apply(this, arguments), - da = Math.min(tau$2, Math.max(-tau$2, endAngle.apply(this, arguments) - a0)), - a1, - p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)), - pa = p * (da < 0 ? -1 : 1), - v; +function rgb(r, g, b, opacity) { + return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity); +} - for (i = 0; i < n; ++i) { - if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) { - sum += v; - } - } +function Rgb(r, g, b, opacity) { + this.r = +r; + this.g = +g; + this.b = +b; + this.opacity = +opacity; +} - // Optionally sort the arcs by previously-computed values or by data. - if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); }); - else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); }); +define(Rgb, rgb, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); + }, + rgb: function() { + return this; + }, + displayable: function() { + return (0 <= this.r && this.r <= 255) + && (0 <= this.g && this.g <= 255) + && (0 <= this.b && this.b <= 255) + && (0 <= this.opacity && this.opacity <= 1); + }, + toString: function() { + var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); + return (a === 1 ? "rgb(" : "rgba(") + + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " + + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " + + Math.max(0, Math.min(255, Math.round(this.b) || 0)) + + (a === 1 ? ")" : ", " + a + ")"); + } +})); - // Compute the arcs! They are stored in the original data's order. - for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) { - j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = { - data: data[j], - index: i, - value: v, - startAngle: a0, - endAngle: a1, - padAngle: p - }; - } +function hsla(h, s, l, a) { + if (a <= 0) h = s = l = NaN; + else if (l <= 0 || l >= 1) h = s = NaN; + else if (s <= 0) h = NaN; + return new Hsl(h, s, l, a); +} - return arcs; +function hslConvert(o) { + if (o instanceof Hsl) return new Hsl(o.h, o.s, o.l, o.opacity); + if (!(o instanceof Color)) o = color(o); + if (!o) return new Hsl; + if (o instanceof Hsl) return o; + o = o.rgb(); + var r = o.r / 255, + g = o.g / 255, + b = o.b / 255, + min = Math.min(r, g, b), + max = Math.max(r, g, b), + h = NaN, + s = max - min, + l = (max + min) / 2; + if (s) { + if (r === max) h = (g - b) / s + (g < b) * 6; + else if (g === max) h = (b - r) / s + 2; + else h = (r - g) / s + 4; + s /= l < 0.5 ? max + min : 2 - max - min; + h *= 60; + } else { + s = l > 0 && l < 1 ? 0 : h; } + return new Hsl(h, s, l, o.opacity); +} - pie.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$2(+_), pie) : value; - }; +function hsl(h, s, l, opacity) { + return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity); +} - pie.sortValues = function(_) { - return arguments.length ? (sortValues = _, sort = null, pie) : sortValues; - }; +function Hsl(h, s, l, opacity) { + this.h = +h; + this.s = +s; + this.l = +l; + this.opacity = +opacity; +} - pie.sort = function(_) { - return arguments.length ? (sort = _, sortValues = null, pie) : sort; - }; +define(Hsl, hsl, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Hsl(this.h, this.s, this.l * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Hsl(this.h, this.s, this.l * k, this.opacity); + }, + rgb: function() { + var h = this.h % 360 + (this.h < 0) * 360, + s = isNaN(h) || isNaN(this.s) ? 0 : this.s, + l = this.l, + m2 = l + (l < 0.5 ? l : 1 - l) * s, + m1 = 2 * l - m2; + return new Rgb( + hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2), + hsl2rgb(h, m1, m2), + hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2), + this.opacity + ); + }, + displayable: function() { + return (0 <= this.s && this.s <= 1 || isNaN(this.s)) + && (0 <= this.l && this.l <= 1) + && (0 <= this.opacity && this.opacity <= 1); + } +})); - pie.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$2(+_), pie) : startAngle; - }; +/* From FvD 13.37, CSS Color Module Level 3 */ +function hsl2rgb(h, m1, m2) { + return (h < 60 ? m1 + (m2 - m1) * h / 60 + : h < 180 ? m2 + : h < 240 ? m1 + (m2 - m1) * (240 - h) / 60 + : m1) * 255; +} - pie.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$2(+_), pie) : endAngle; - }; +var deg2rad = Math.PI / 180; +var rad2deg = 180 / Math.PI; - pie.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$2(+_), pie) : padAngle; - }; +var Kn = 18; +var Xn = 0.950470; +var Yn = 1; +var Zn = 1.088830; +var t0 = 4 / 29; +var t1 = 6 / 29; +var t2 = 3 * t1 * t1; +var t3 = t1 * t1 * t1; - return pie; -}; +function labConvert(o) { + if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); + if (o instanceof Hcl) { + var h = o.h * deg2rad; + return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); + } + if (!(o instanceof Rgb)) o = rgbConvert(o); + var b = rgb2xyz(o.r), + a = rgb2xyz(o.g), + l = rgb2xyz(o.b), + x = xyz2lab((0.4124564 * b + 0.3575761 * a + 0.1804375 * l) / Xn), + y = xyz2lab((0.2126729 * b + 0.7151522 * a + 0.0721750 * l) / Yn), + z = xyz2lab((0.0193339 * b + 0.1191920 * a + 0.9503041 * l) / Zn); + return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity); +} -var curveRadialLinear = curveRadial(curveLinear); +function lab(l, a, b, opacity) { + return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity); +} -function Radial(curve) { - this._curve = curve; +function Lab(l, a, b, opacity) { + this.l = +l; + this.a = +a; + this.b = +b; + this.opacity = +opacity; } -Radial.prototype = { - areaStart: function() { - this._curve.areaStart(); - }, - areaEnd: function() { - this._curve.areaEnd(); - }, - lineStart: function() { - this._curve.lineStart(); +define(Lab, lab, extend(Color, { + brighter: function(k) { + return new Lab(this.l + Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); }, - lineEnd: function() { - this._curve.lineEnd(); + darker: function(k) { + return new Lab(this.l - Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); }, - point: function(a, r) { - this._curve.point(r * Math.sin(a), r * -Math.cos(a)); - } -}; - -function curveRadial(curve) { - - function radial(context) { - return new Radial(curve(context)); + rgb: function() { + var y = (this.l + 16) / 116, + x = isNaN(this.a) ? y : y + this.a / 500, + z = isNaN(this.b) ? y : y - this.b / 200; + y = Yn * lab2xyz(y); + x = Xn * lab2xyz(x); + z = Zn * lab2xyz(z); + return new Rgb( + xyz2rgb( 3.2404542 * x - 1.5371385 * y - 0.4985314 * z), // D65 -> sRGB + xyz2rgb(-0.9692660 * x + 1.8760108 * y + 0.0415560 * z), + xyz2rgb( 0.0556434 * x - 0.2040259 * y + 1.0572252 * z), + this.opacity + ); } +})); - radial._curve = curve; - - return radial; +function xyz2lab(t) { + return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0; } -function radialLine(l) { - var c = l.curve; - - l.angle = l.x, delete l.x; - l.radius = l.y, delete l.y; - - l.curve = function(_) { - return arguments.length ? c(curveRadial(_)) : c()._curve; - }; - - return l; +function lab2xyz(t) { + return t > t1 ? t * t * t : t2 * (t - t0); } -var radialLine$1 = function() { - return radialLine(line().curve(curveRadialLinear)); -}; - -var radialArea = function() { - var a = area$1().curve(curveRadialLinear), - c = a.curve, - x0 = a.lineX0, - x1 = a.lineX1, - y0 = a.lineY0, - y1 = a.lineY1; - - a.angle = a.x, delete a.x; - a.startAngle = a.x0, delete a.x0; - a.endAngle = a.x1, delete a.x1; - a.radius = a.y, delete a.y; - a.innerRadius = a.y0, delete a.y0; - a.outerRadius = a.y1, delete a.y1; - a.lineStartAngle = function() { return radialLine(x0()); }, delete a.lineX0; - a.lineEndAngle = function() { return radialLine(x1()); }, delete a.lineX1; - a.lineInnerRadius = function() { return radialLine(y0()); }, delete a.lineY0; - a.lineOuterRadius = function() { return radialLine(y1()); }, delete a.lineY1; - - a.curve = function(_) { - return arguments.length ? c(curveRadial(_)) : c()._curve; - }; - - return a; -}; - -var circle = { - draw: function(context, size) { - var r = Math.sqrt(size / pi$2); - context.moveTo(r, 0); - context.arc(0, 0, r, 0, tau$2); - } -}; +function xyz2rgb(x) { + return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055); +} -var cross$1 = { - draw: function(context, size) { - var r = Math.sqrt(size / 5) / 2; - context.moveTo(-3 * r, -r); - context.lineTo(-r, -r); - context.lineTo(-r, -3 * r); - context.lineTo(r, -3 * r); - context.lineTo(r, -r); - context.lineTo(3 * r, -r); - context.lineTo(3 * r, r); - context.lineTo(r, r); - context.lineTo(r, 3 * r); - context.lineTo(-r, 3 * r); - context.lineTo(-r, r); - context.lineTo(-3 * r, r); - context.closePath(); - } -}; +function rgb2xyz(x) { + return (x /= 255) <= 0.04045 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4); +} -var tan30 = Math.sqrt(1 / 3); -var tan30_2 = tan30 * 2; +function hclConvert(o) { + if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); + if (!(o instanceof Lab)) o = labConvert(o); + var h = Math.atan2(o.b, o.a) * rad2deg; + return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); +} -var diamond = { - draw: function(context, size) { - var y = Math.sqrt(size / tan30_2), - x = y * tan30; - context.moveTo(0, -y); - context.lineTo(x, 0); - context.lineTo(0, y); - context.lineTo(-x, 0); - context.closePath(); - } -}; +function hcl(h, c, l, opacity) { + return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity); +} -var ka = 0.89081309152928522810; -var kr = Math.sin(pi$2 / 10) / Math.sin(7 * pi$2 / 10); -var kx = Math.sin(tau$2 / 10) * kr; -var ky = -Math.cos(tau$2 / 10) * kr; +function Hcl(h, c, l, opacity) { + this.h = +h; + this.c = +c; + this.l = +l; + this.opacity = +opacity; +} -var star = { - draw: function(context, size) { - var r = Math.sqrt(size * ka), - x = kx * r, - y = ky * r; - context.moveTo(0, -r); - context.lineTo(x, y); - for (var i = 1; i < 5; ++i) { - var a = tau$2 * i / 5, - c = Math.cos(a), - s = Math.sin(a); - context.lineTo(s * r, -c * r); - context.lineTo(c * x - s * y, s * x + c * y); - } - context.closePath(); +define(Hcl, hcl, extend(Color, { + brighter: function(k) { + return new Hcl(this.h, this.c, this.l + Kn * (k == null ? 1 : k), this.opacity); + }, + darker: function(k) { + return new Hcl(this.h, this.c, this.l - Kn * (k == null ? 1 : k), this.opacity); + }, + rgb: function() { + return labConvert(this).rgb(); } -}; +})); -var square = { - draw: function(context, size) { - var w = Math.sqrt(size), - x = -w / 2; - context.rect(x, x, w, w); - } -}; +var A = -0.14861; +var B = +1.78277; +var C = -0.29227; +var D = -0.90649; +var E = +1.97294; +var ED = E * D; +var EB = E * B; +var BC_DA = B * C - D * A; -var sqrt3 = Math.sqrt(3); +function cubehelixConvert(o) { + if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity); + if (!(o instanceof Rgb)) o = rgbConvert(o); + var r = o.r / 255, + g = o.g / 255, + b = o.b / 255, + l = (BC_DA * b + ED * r - EB * g) / (BC_DA + ED - EB), + bl = b - l, + k = (E * (g - l) - C * bl) / D, + s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1 + h = s ? Math.atan2(k, bl) * rad2deg - 120 : NaN; + return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity); +} -var triangle = { - draw: function(context, size) { - var y = -Math.sqrt(size / (sqrt3 * 3)); - context.moveTo(0, y * 2); - context.lineTo(-sqrt3 * y, -y); - context.lineTo(sqrt3 * y, -y); - context.closePath(); - } -}; +function cubehelix(h, s, l, opacity) { + return arguments.length === 1 ? cubehelixConvert(h) : new Cubehelix(h, s, l, opacity == null ? 1 : opacity); +} -var c = -0.5; -var s = Math.sqrt(3) / 2; -var k = 1 / Math.sqrt(12); -var a = (k / 2 + 1) * 3; +function Cubehelix(h, s, l, opacity) { + this.h = +h; + this.s = +s; + this.l = +l; + this.opacity = +opacity; +} -var wye = { - draw: function(context, size) { - var r = Math.sqrt(size / a), - x0 = r / 2, - y0 = r * k, - x1 = x0, - y1 = r * k + r, - x2 = -x1, - y2 = y1; - context.moveTo(x0, y0); - context.lineTo(x1, y1); - context.lineTo(x2, y2); - context.lineTo(c * x0 - s * y0, s * x0 + c * y0); - context.lineTo(c * x1 - s * y1, s * x1 + c * y1); - context.lineTo(c * x2 - s * y2, s * x2 + c * y2); - context.lineTo(c * x0 + s * y0, c * y0 - s * x0); - context.lineTo(c * x1 + s * y1, c * y1 - s * x1); - context.lineTo(c * x2 + s * y2, c * y2 - s * x2); - context.closePath(); +define(Cubehelix, cubehelix, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Cubehelix(this.h, this.s, this.l * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Cubehelix(this.h, this.s, this.l * k, this.opacity); + }, + rgb: function() { + var h = isNaN(this.h) ? 0 : (this.h + 120) * deg2rad, + l = +this.l, + a = isNaN(this.s) ? 0 : this.s * l * (1 - l), + cosh = Math.cos(h), + sinh = Math.sin(h); + return new Rgb( + 255 * (l + a * (A * cosh + B * sinh)), + 255 * (l + a * (C * cosh + D * sinh)), + 255 * (l + a * (E * cosh)), + this.opacity + ); } -}; - -var symbols = [ - circle, - cross$1, - diamond, - square, - star, - triangle, - wye -]; - -var symbol = function() { - var type = constant$2(circle), - size = constant$2(64), - context = null; +})); - function symbol() { - var buffer; - if (!context) context = buffer = path(); - type.apply(this, arguments).draw(context, +size.apply(this, arguments)); - if (buffer) return context = null, buffer + "" || null; - } +function basis(t1, v0, v1, v2, v3) { + var t2 = t1 * t1, t3 = t2 * t1; + return ((1 - 3 * t1 + 3 * t2 - t3) * v0 + + (4 - 6 * t2 + 3 * t3) * v1 + + (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2 + + t3 * v3) / 6; +} - symbol.type = function(_) { - return arguments.length ? (type = typeof _ === "function" ? _ : constant$2(_), symbol) : type; +var basis$1 = function(values) { + var n = values.length - 1; + return function(t) { + var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n), + v1 = values[i], + v2 = values[i + 1], + v0 = i > 0 ? values[i - 1] : 2 * v1 - v2, + v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; + return basis((t - i / n) * n, v0, v1, v2, v3); }; +}; - symbol.size = function(_) { - return arguments.length ? (size = typeof _ === "function" ? _ : constant$2(+_), symbol) : size; +var basisClosed = function(values) { + var n = values.length; + return function(t) { + var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n), + v0 = values[(i + n - 1) % n], + v1 = values[i % n], + v2 = values[(i + 1) % n], + v3 = values[(i + 2) % n]; + return basis((t - i / n) * n, v0, v1, v2, v3); }; +}; - symbol.context = function(_) { - return arguments.length ? (context = _ == null ? null : _, symbol) : context; +var constant$3 = function(x) { + return function() { + return x; }; - - return symbol; }; -var noop = function() {}; - -function point(that, x, y) { - that._context.bezierCurveTo( - (2 * that._x0 + that._x1) / 3, - (2 * that._y0 + that._y1) / 3, - (that._x0 + 2 * that._x1) / 3, - (that._y0 + 2 * that._y1) / 3, - (that._x0 + 4 * that._x1 + x) / 6, - (that._y0 + 4 * that._y1 + y) / 6 - ); +function linear(a, d) { + return function(t) { + return a + t * d; + }; } -function Basis(context) { - this._context = context; +function exponential(a, b, y) { + return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) { + return Math.pow(a + t * b, y); + }; } -Basis.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 3: point(this, this._x1, this._y1); // proceed - case 2: this._context.lineTo(this._x1, this._y1); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed - default: point(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - } -}; +function hue(a, b) { + var d = b - a; + return d ? linear(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$3(isNaN(a) ? b : a); +} -var basis = function(context) { - return new Basis(context); -}; +function gamma(y) { + return (y = +y) === 1 ? nogamma : function(a, b) { + return b - a ? exponential(a, b, y) : constant$3(isNaN(a) ? b : a); + }; +} -function BasisClosed(context) { - this._context = context; +function nogamma(a, b) { + var d = b - a; + return d ? linear(a, d) : constant$3(isNaN(a) ? b : a); } -BasisClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x2, this._y2); - this._context.closePath(); - break; - } - case 2: { - this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3); - this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3); - this._context.closePath(); - break; - } - case 3: { - this.point(this._x2, this._y2); - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - break; - } - } - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._x2 = x, this._y2 = y; break; - case 1: this._point = 2; this._x3 = x, this._y3 = y; break; - case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break; - default: point(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; +var interpolateRgb = ((function rgbGamma(y) { + var color$$1 = gamma(y); + + function rgb$$1(start, end) { + var r = color$$1((start = rgb(start)).r, (end = rgb(end)).r), + g = color$$1(start.g, end.g), + b = color$$1(start.b, end.b), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.r = r(t); + start.g = g(t); + start.b = b(t); + start.opacity = opacity(t); + return start + ""; + }; } -}; -var basisClosed = function(context) { - return new BasisClosed(context); -}; + rgb$$1.gamma = rgbGamma; -function BasisOpen(context) { - this._context = context; -} + return rgb$$1; +}))(1); -BasisOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = NaN; - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; - case 3: this._point = 4; // proceed - default: point(this, x, y); break; +function rgbSpline(spline) { + return function(colors) { + var n = colors.length, + r = new Array(n), + g = new Array(n), + b = new Array(n), + i, color$$1; + for (i = 0; i < n; ++i) { + color$$1 = rgb(colors[i]); + r[i] = color$$1.r || 0; + g[i] = color$$1.g || 0; + b[i] = color$$1.b || 0; } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - } -}; - -var basisOpen = function(context) { - return new BasisOpen(context); -}; - -function Bundle(context, beta) { - this._basis = new Basis(context); - this._beta = beta; + r = spline(r); + g = spline(g); + b = spline(b); + color$$1.opacity = 1; + return function(t) { + color$$1.r = r(t); + color$$1.g = g(t); + color$$1.b = b(t); + return color$$1 + ""; + }; + }; } -Bundle.prototype = { - lineStart: function() { - this._x = []; - this._y = []; - this._basis.lineStart(); - }, - lineEnd: function() { - var x = this._x, - y = this._y, - j = x.length - 1; - - if (j > 0) { - var x0 = x[0], - y0 = y[0], - dx = x[j] - x0, - dy = y[j] - y0, - i = -1, - t; - - while (++i <= j) { - t = i / j; - this._basis.point( - this._beta * x[i] + (1 - this._beta) * (x0 + t * dx), - this._beta * y[i] + (1 - this._beta) * (y0 + t * dy) - ); - } - } +var rgbBasis = rgbSpline(basis$1); +var rgbBasisClosed = rgbSpline(basisClosed); - this._x = this._y = null; - this._basis.lineEnd(); - }, - point: function(x, y) { - this._x.push(+x); - this._y.push(+y); - } -}; +var array$1 = function(a, b) { + var nb = b ? b.length : 0, + na = a ? Math.min(nb, a.length) : 0, + x = new Array(nb), + c = new Array(nb), + i; -var bundle = (function custom(beta) { + for (i = 0; i < na; ++i) x[i] = interpolateValue(a[i], b[i]); + for (; i < nb; ++i) c[i] = b[i]; - function bundle(context) { - return beta === 1 ? new Basis(context) : new Bundle(context, beta); - } + return function(t) { + for (i = 0; i < na; ++i) c[i] = x[i](t); + return c; + }; +}; - bundle.beta = function(beta) { - return custom(+beta); +var date = function(a, b) { + var d = new Date; + return a = +a, b -= a, function(t) { + return d.setTime(a + b * t), d; }; +}; - return bundle; -})(0.85); +var reinterpolate = function(a, b) { + return a = +a, b -= a, function(t) { + return a + b * t; + }; +}; -function point$1(that, x, y) { - that._context.bezierCurveTo( - that._x1 + that._k * (that._x2 - that._x0), - that._y1 + that._k * (that._y2 - that._y0), - that._x2 + that._k * (that._x1 - x), - that._y2 + that._k * (that._y1 - y), - that._x2, - that._y2 - ); -} +var object = function(a, b) { + var i = {}, + c = {}, + k; -function Cardinal(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; -} + if (a === null || typeof a !== "object") a = {}; + if (b === null || typeof b !== "object") b = {}; -Cardinal.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x2, this._y2); break; - case 3: point$1(this, this._x1, this._y1); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; this._x1 = x, this._y1 = y; break; - case 2: this._point = 3; // proceed - default: point$1(this, x, y); break; + for (k in b) { + if (k in a) { + i[k] = interpolateValue(a[k], b[k]); + } else { + c[k] = b[k]; } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } + + return function(t) { + for (k in i) c[k] = i[k](t); + return c; + }; }; -var cardinal = (function custom(tension) { +var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; +var reB = new RegExp(reA.source, "g"); - function cardinal(context) { - return new Cardinal(context, tension); - } +function zero(b) { + return function() { + return b; + }; +} - cardinal.tension = function(tension) { - return custom(+tension); +function one(b) { + return function(t) { + return b(t) + ""; }; +} - return cardinal; -})(0); +var interpolateString = function(a, b) { + var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b + am, // current match in a + bm, // current match in b + bs, // string preceding current number in b, if any + i = -1, // index in s + s = [], // string constants and placeholders + q = []; // number interpolators -function CardinalClosed(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; -} + // Coerce inputs to strings. + a = a + "", b = b + ""; -CardinalClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 2: { - this._context.lineTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 3: { - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - this.point(this._x5, this._y5); - break; - } + // Interpolate pairs of numbers in a & b. + while ((am = reA.exec(a)) + && (bm = reB.exec(b))) { + if ((bs = bm.index) > bi) { // a string precedes the next number in b + bs = b.slice(bi, bs); + if (s[i]) s[i] += bs; // coalesce with previous string + else s[++i] = bs; } - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._x3 = x, this._y3 = y; break; - case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; - case 2: this._point = 3; this._x5 = x, this._y5 = y; break; - default: point$1(this, x, y); break; + if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match + if (s[i]) s[i] += bm; // coalesce with previous string + else s[++i] = bm; + } else { // interpolate non-matching numbers + s[++i] = null; + q.push({i: i, x: reinterpolate(am, bm)}); } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + bi = reB.lastIndex; } -}; -var cardinalClosed = (function custom(tension) { - - function cardinal(context) { - return new CardinalClosed(context, tension); + // Add remains of b. + if (bi < b.length) { + bs = b.slice(bi); + if (s[i]) s[i] += bs; // coalesce with previous string + else s[++i] = bs; } - cardinal.tension = function(tension) { - return custom(+tension); + // Special optimization for only a single match. + // Otherwise, interpolate each of the numbers and rejoin the string. + return s.length < 2 ? (q[0] + ? one(q[0].x) + : zero(b)) + : (b = q.length, function(t) { + for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); + return s.join(""); + }); +}; + +var interpolateValue = function(a, b) { + var t = typeof b, c; + return b == null || t === "boolean" ? constant$3(b) + : (t === "number" ? reinterpolate + : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) + : b instanceof color ? interpolateRgb + : b instanceof Date ? date + : Array.isArray(b) ? array$1 + : isNaN(b) ? object + : reinterpolate)(a, b); +}; + +var interpolateRound = function(a, b) { + return a = +a, b -= a, function(t) { + return Math.round(a + b * t); }; +}; - return cardinal; -})(0); +var degrees = 180 / Math.PI; -function CardinalOpen(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; -} +var identity$2 = { + translateX: 0, + translateY: 0, + rotate: 0, + skewX: 0, + scaleX: 1, + scaleY: 1 +}; -CardinalOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed - default: point$1(this, x, y); break; - } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } +var decompose = function(a, b, c, d, e, f) { + var scaleX, scaleY, skewX; + if (scaleX = Math.sqrt(a * a + b * b)) a /= scaleX, b /= scaleX; + if (skewX = a * c + b * d) c -= a * skewX, d -= b * skewX; + if (scaleY = Math.sqrt(c * c + d * d)) c /= scaleY, d /= scaleY, skewX /= scaleY; + if (a * d < b * c) a = -a, b = -b, skewX = -skewX, scaleX = -scaleX; + return { + translateX: e, + translateY: f, + rotate: Math.atan2(b, a) * degrees, + skewX: Math.atan(skewX) * degrees, + scaleX: scaleX, + scaleY: scaleY + }; }; -var cardinalOpen = (function custom(tension) { - - function cardinal(context) { - return new CardinalOpen(context, tension); - } +var cssNode; +var cssRoot; +var cssView; +var svgNode; - cardinal.tension = function(tension) { - return custom(+tension); - }; +function parseCss(value) { + if (value === "none") return identity$2; + if (!cssNode) cssNode = document.createElement("DIV"), cssRoot = document.documentElement, cssView = document.defaultView; + cssNode.style.transform = value; + value = cssView.getComputedStyle(cssRoot.appendChild(cssNode), null).getPropertyValue("transform"); + cssRoot.removeChild(cssNode); + value = value.slice(7, -1).split(","); + return decompose(+value[0], +value[1], +value[2], +value[3], +value[4], +value[5]); +} - return cardinal; -})(0); +function parseSvg(value) { + if (value == null) return identity$2; + if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g"); + svgNode.setAttribute("transform", value); + if (!(value = svgNode.transform.baseVal.consolidate())) return identity$2; + value = value.matrix; + return decompose(value.a, value.b, value.c, value.d, value.e, value.f); +} -function point$2(that, x, y) { - var x1 = that._x1, - y1 = that._y1, - x2 = that._x2, - y2 = that._y2; +function interpolateTransform(parse, pxComma, pxParen, degParen) { - if (that._l01_a > epsilon$1) { - var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a, - n = 3 * that._l01_a * (that._l01_a + that._l12_a); - x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n; - y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n; + function pop(s) { + return s.length ? s.pop() + " " : ""; } - if (that._l23_a > epsilon$1) { - var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a, - m = 3 * that._l23_a * (that._l23_a + that._l12_a); - x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m; - y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m; + function translate(xa, ya, xb, yb, s, q) { + if (xa !== xb || ya !== yb) { + var i = s.push("translate(", null, pxComma, null, pxParen); + q.push({i: i - 4, x: reinterpolate(xa, xb)}, {i: i - 2, x: reinterpolate(ya, yb)}); + } else if (xb || yb) { + s.push("translate(" + xb + pxComma + yb + pxParen); + } } - that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2); -} - -function CatmullRom(context, alpha) { - this._context = context; - this._alpha = alpha; -} - -CatmullRom.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x2, this._y2); break; - case 3: this.point(this._x2, this._y2); break; + function rotate(a, b, s, q) { + if (a !== b) { + if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path + q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: reinterpolate(a, b)}); + } else if (b) { + s.push(pop(s) + "rotate(" + b + degParen); } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; + } - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + function skewX(a, b, s, q) { + if (a !== b) { + q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: reinterpolate(a, b)}); + } else if (b) { + s.push(pop(s) + "skewX(" + b + degParen); } + } - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; // proceed - default: point$2(this, x, y); break; + function scale(xa, ya, xb, yb, s, q) { + if (xa !== xb || ya !== yb) { + var i = s.push(pop(s) + "scale(", null, ",", null, ")"); + q.push({i: i - 4, x: reinterpolate(xa, xb)}, {i: i - 2, x: reinterpolate(ya, yb)}); + } else if (xb !== 1 || yb !== 1) { + s.push(pop(s) + "scale(" + xb + "," + yb + ")"); } - - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } -}; -var catmullRom = (function custom(alpha) { + return function(a, b) { + var s = [], // string constants and placeholders + q = []; // number interpolators + a = parse(a), b = parse(b); + translate(a.translateX, a.translateY, b.translateX, b.translateY, s, q); + rotate(a.rotate, b.rotate, s, q); + skewX(a.skewX, b.skewX, s, q); + scale(a.scaleX, a.scaleY, b.scaleX, b.scaleY, s, q); + a = b = null; // gc + return function(t) { + var i = -1, n = q.length, o; + while (++i < n) s[(o = q[i]).i] = o.x(t); + return s.join(""); + }; + }; +} - function catmullRom(context) { - return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); - } +var interpolateTransformCss = interpolateTransform(parseCss, "px, ", "px)", "deg)"); +var interpolateTransformSvg = interpolateTransform(parseSvg, ", ", ")", ")"); - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; +var rho = Math.SQRT2; +var rho2 = 2; +var rho4 = 4; +var epsilon2 = 1e-12; - return catmullRom; -})(0.5); +function cosh(x) { + return ((x = Math.exp(x)) + 1 / x) / 2; +} -function CatmullRomClosed(context, alpha) { - this._context = context; - this._alpha = alpha; +function sinh(x) { + return ((x = Math.exp(x)) - 1 / x) / 2; } -CatmullRomClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 2: { - this._context.lineTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 3: { - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - this.point(this._x5, this._y5); - break; - } - } - }, - point: function(x, y) { - x = +x, y = +y; +function tanh(x) { + return ((x = Math.exp(2 * x)) - 1) / (x + 1); +} - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } +// p0 = [ux0, uy0, w0] +// p1 = [ux1, uy1, w1] +var interpolateZoom = function(p0, p1) { + var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], + ux1 = p1[0], uy1 = p1[1], w1 = p1[2], + dx = ux1 - ux0, + dy = uy1 - uy0, + d2 = dx * dx + dy * dy, + i, + S; - switch (this._point) { - case 0: this._point = 1; this._x3 = x, this._y3 = y; break; - case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; - case 2: this._point = 3; this._x5 = x, this._y5 = y; break; - default: point$2(this, x, y); break; - } + // Special case for u0 ≅ u1. + if (d2 < epsilon2) { + S = Math.log(w1 / w0) / rho; + i = function(t) { + return [ + ux0 + t * dx, + uy0 + t * dy, + w0 * Math.exp(rho * t * S) + ]; + }; + } - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + // General case. + else { + var d1 = Math.sqrt(d2), + b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), + b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), + r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), + r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); + S = (r1 - r0) / rho; + i = function(t) { + var s = t * S, + coshr0 = cosh(r0), + u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0)); + return [ + ux0 + u * dx, + uy0 + u * dy, + w0 * coshr0 / cosh(rho * s + r0) + ]; + }; } -}; -var catmullRomClosed = (function custom(alpha) { + i.duration = S * 1000; + + return i; +}; - function catmullRom(context) { - return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); +function hsl$1(hue$$1) { + return function(start, end) { + var h = hue$$1((start = hsl(start)).h, (end = hsl(end)).h), + s = nogamma(start.s, end.s), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.s = s(t); + start.l = l(t); + start.opacity = opacity(t); + return start + ""; + }; } +} - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; +var hsl$2 = hsl$1(hue); +var hslLong = hsl$1(nogamma); - return catmullRom; -})(0.5); +function lab$1(start, end) { + var l = nogamma((start = lab(start)).l, (end = lab(end)).l), + a = nogamma(start.a, end.a), + b = nogamma(start.b, end.b), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.l = l(t); + start.a = a(t); + start.b = b(t); + start.opacity = opacity(t); + return start + ""; + }; +} -function CatmullRomOpen(context, alpha) { - this._context = context; - this._alpha = alpha; +function hcl$1(hue$$1) { + return function(start, end) { + var h = hue$$1((start = hcl(start)).h, (end = hcl(end)).h), + c = nogamma(start.c, end.c), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.c = c(t); + start.l = l(t); + start.opacity = opacity(t); + return start + ""; + }; + } } -CatmullRomOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; +var hcl$2 = hcl$1(hue); +var hclLong = hcl$1(nogamma); - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } +function cubehelix$1(hue$$1) { + return (function cubehelixGamma(y) { + y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed - default: point$2(this, x, y); break; + function cubehelix$$1(start, end) { + var h = hue$$1((start = cubehelix(start)).h, (end = cubehelix(end)).h), + s = nogamma(start.s, end.s), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.s = s(t); + start.l = l(Math.pow(t, y)); + start.opacity = opacity(t); + return start + ""; + }; } - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } -}; + cubehelix$$1.gamma = cubehelixGamma; -var catmullRomOpen = (function custom(alpha) { + return cubehelix$$1; + })(1); +} - function catmullRom(context) { - return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); - } +var cubehelix$2 = cubehelix$1(hue); +var cubehelixLong = cubehelix$1(nogamma); - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; +var quantize = function(interpolator, n) { + var samples = new Array(n); + for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); + return samples; +}; - return catmullRom; -})(0.5); +var frame = 0; +var timeout = 0; +var interval = 0; +var pokeDelay = 1000; +var taskHead; +var taskTail; +var clockLast = 0; +var clockNow = 0; +var clockSkew = 0; +var clock = typeof performance === "object" && performance.now ? performance : Date; +var setFrame = typeof requestAnimationFrame === "function" ? requestAnimationFrame : function(f) { setTimeout(f, 17); }; -function LinearClosed(context) { - this._context = context; +function now() { + return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew); } -LinearClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._point) this._context.closePath(); +function clearNow() { + clockNow = 0; +} + +function Timer() { + this._call = + this._time = + this._next = null; +} + +Timer.prototype = timer.prototype = { + constructor: Timer, + restart: function(callback, delay, time) { + if (typeof callback !== "function") throw new TypeError("callback is not a function"); + time = (time == null ? now() : +time) + (delay == null ? 0 : +delay); + if (!this._next && taskTail !== this) { + if (taskTail) taskTail._next = this; + else taskHead = this; + taskTail = this; + } + this._call = callback; + this._time = time; + sleep(); }, - point: function(x, y) { - x = +x, y = +y; - if (this._point) this._context.lineTo(x, y); - else this._point = 1, this._context.moveTo(x, y); + stop: function() { + if (this._call) { + this._call = null; + this._time = Infinity; + sleep(); + } } }; -var linearClosed = function(context) { - return new LinearClosed(context); -}; - -function sign(x) { - return x < 0 ? -1 : 1; -} - -// Calculate the slopes of the tangents (Hermite-type interpolation) based on -// the following paper: Steffen, M. 1990. A Simple Method for Monotonic -// Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO. -// NOV(II), P. 443, 1990. -function slope3(that, x2, y2) { - var h0 = that._x1 - that._x0, - h1 = x2 - that._x1, - s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0), - s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0), - p = (s0 * h1 + s1 * h0) / (h0 + h1); - return (sign(s0) + sign(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0; +function timer(callback, delay, time) { + var t = new Timer; + t.restart(callback, delay, time); + return t; } -// Calculate a one-sided slope. -function slope2(that, t) { - var h = that._x1 - that._x0; - return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t; +function timerFlush() { + now(); // Get the current time, if not already set. + ++frame; // Pretend we’ve set an alarm, if we haven’t already. + var t = taskHead, e; + while (t) { + if ((e = clockNow - t._time) >= 0) t._call.call(null, e); + t = t._next; + } + --frame; } -// According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations -// "you can express cubic Hermite interpolation in terms of cubic Bézier curves -// with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1". -function point$3(that, t0, t1) { - var x0 = that._x0, - y0 = that._y0, - x1 = that._x1, - y1 = that._y1, - dx = (x1 - x0) / 3; - that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1); +function wake() { + clockNow = (clockLast = clock.now()) + clockSkew; + frame = timeout = 0; + try { + timerFlush(); + } finally { + frame = 0; + nap(); + clockNow = 0; + } } -function MonotoneX(context) { - this._context = context; +function poke() { + var now = clock.now(), delay = now - clockLast; + if (delay > pokeDelay) clockSkew -= delay, clockLast = now; } -MonotoneX.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = - this._t0 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x1, this._y1); break; - case 3: point$3(this, this._t0, slope2(this, this._t0)); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - var t1 = NaN; - - x = +x, y = +y; - if (x === this._x1 && y === this._y1) return; // Ignore coincident points. - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; point$3(this, slope2(this, t1 = slope3(this, x, y)), t1); break; - default: point$3(this, this._t0, t1 = slope3(this, x, y)); break; +function nap() { + var t0, t1 = taskHead, t2, time = Infinity; + while (t1) { + if (t1._call) { + if (time > t1._time) time = t1._time; + t0 = t1, t1 = t1._next; + } else { + t2 = t1._next, t1._next = null; + t1 = t0 ? t0._next = t2 : taskHead = t2; } - - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - this._t0 = t1; } -}; + taskTail = t0; + sleep(time); +} -function MonotoneY(context) { - this._context = new ReflectContext(context); +function sleep(time) { + if (frame) return; // Soonest alarm already set, or will be. + if (timeout) timeout = clearTimeout(timeout); + var delay = time - clockNow; + if (delay > 24) { + if (time < Infinity) timeout = setTimeout(wake, delay); + if (interval) interval = clearInterval(interval); + } else { + if (!interval) clockLast = clockNow, interval = setInterval(poke, pokeDelay); + frame = 1, setFrame(wake); + } } -(MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) { - MonotoneX.prototype.point.call(this, y, x); +var timeout$1 = function(callback, delay, time) { + var t = new Timer; + delay = delay == null ? 0 : +delay; + t.restart(function(elapsed) { + t.stop(); + callback(elapsed + delay); + }, delay, time); + return t; }; -function ReflectContext(context) { - this._context = context; -} +var interval$1 = function(callback, delay, time) { + var t = new Timer, total = delay; + if (delay == null) return t.restart(callback, delay, time), t; + delay = +delay, time = time == null ? now() : +time; + t.restart(function tick(elapsed) { + elapsed += total; + t.restart(tick, total += delay, time); + callback(elapsed); + }, delay, time); + return t; +}; -ReflectContext.prototype = { - moveTo: function(x, y) { this._context.moveTo(y, x); }, - closePath: function() { this._context.closePath(); }, - lineTo: function(x, y) { this._context.lineTo(y, x); }, - bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); } +var emptyOn = dispatch("start", "end", "interrupt"); +var emptyTween = []; + +var CREATED = 0; +var SCHEDULED = 1; +var STARTING = 2; +var STARTED = 3; +var RUNNING = 4; +var ENDING = 5; +var ENDED = 6; + +var schedule = function(node, name, id, index, group, timing) { + var schedules = node.__transition; + if (!schedules) node.__transition = {}; + else if (id in schedules) return; + create(node, id, { + name: name, + index: index, // For context during callback. + group: group, // For context during callback. + on: emptyOn, + tween: emptyTween, + time: timing.time, + delay: timing.delay, + duration: timing.duration, + ease: timing.ease, + timer: null, + state: CREATED + }); }; -function monotoneX(context) { - return new MonotoneX(context); +function init(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id]) || schedule.state > CREATED) throw new Error("too late"); + return schedule; } -function monotoneY(context) { - return new MonotoneY(context); +function set$1(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id]) || schedule.state > STARTING) throw new Error("too late"); + return schedule; } -function Natural(context) { - this._context = context; +function get$1(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id])) throw new Error("too late"); + return schedule; } -Natural.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x = []; - this._y = []; - }, - lineEnd: function() { - var x = this._x, - y = this._y, - n = x.length; +function create(node, id, self) { + var schedules = node.__transition, + tween; - if (n) { - this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]); - if (n === 2) { - this._context.lineTo(x[1], y[1]); - } else { - var px = controlPoints(x), - py = controlPoints(y); - for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) { - this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]); - } - } - } + // Initialize the self timer when the transition is created. + // Note the actual delay is not known until the first callback! + schedules[id] = self; + self.timer = timer(schedule, 0, self.time); - if (this._line || (this._line !== 0 && n === 1)) this._context.closePath(); - this._line = 1 - this._line; - this._x = this._y = null; - }, - point: function(x, y) { - this._x.push(+x); - this._y.push(+y); + function schedule(elapsed) { + self.state = SCHEDULED; + self.timer.restart(start, self.delay, self.time); + + // If the elapsed delay is less than our first sleep, start immediately. + if (self.delay <= elapsed) start(elapsed - self.delay); } -}; -// See https://www.particleincell.com/2012/bezier-splines/ for derivation. -function controlPoints(x) { - var i, - n = x.length - 1, - m, - a = new Array(n), - b = new Array(n), - r = new Array(n); - a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1]; - for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1]; - a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n]; - for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1]; - a[n - 1] = r[n - 1] / b[n - 1]; - for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i]; - b[n - 1] = (x[n] + a[n - 1]) / 2; - for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1]; - return [a, b]; -} + function start(elapsed) { + var i, j, n, o; -var natural = function(context) { - return new Natural(context); -}; + // If the state is not SCHEDULED, then we previously errored on start. + if (self.state !== SCHEDULED) return stop(); -function Step(context, t) { - this._context = context; - this._t = t; -} + for (i in schedules) { + o = schedules[i]; + if (o.name !== self.name) continue; -Step.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x = this._y = NaN; - this._point = 0; - }, - lineEnd: function() { - if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y); - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed - default: { - if (this._t <= 0) { - this._context.lineTo(this._x, y); - this._context.lineTo(x, y); - } else { - var x1 = this._x * (1 - this._t) + x * this._t; - this._context.lineTo(x1, this._y); - this._context.lineTo(x1, y); - } - break; + // While this element already has a starting transition during this frame, + // defer starting an interrupting transition until that transition has a + // chance to tick (and possibly end); see d3/d3-transition#54! + if (o.state === STARTED) return timeout$1(start); + + // Interrupt the active transition, if any. + // Dispatch the interrupt event. + if (o.state === RUNNING) { + o.state = ENDED; + o.timer.stop(); + o.on.call("interrupt", node, node.__data__, o.index, o.group); + delete schedules[i]; + } + + // Cancel any pre-empted transitions. No interrupt event is dispatched + // because the cancelled transitions never started. Note that this also + // removes this transition from the pending list! + else if (+i < id) { + o.state = ENDED; + o.timer.stop(); + delete schedules[i]; + } + } + + // Defer the first tick to end of the current frame; see d3/d3#1576. + // Note the transition may be canceled after start and before the first tick! + // Note this must be scheduled before the start event; see d3/d3-transition#16! + // Assuming this is successful, subsequent callbacks go straight to tick. + timeout$1(function() { + if (self.state === STARTED) { + self.state = RUNNING; + self.timer.restart(tick, self.delay, self.time); + tick(elapsed); + } + }); + + // Dispatch the start event. + // Note this must be done before the tween are initialized. + self.state = STARTING; + self.on.call("start", node, node.__data__, self.index, self.group); + if (self.state !== STARTING) return; // interrupted + self.state = STARTED; + + // Initialize the tween, deleting null tween. + tween = new Array(n = self.tween.length); + for (i = 0, j = -1; i < n; ++i) { + if (o = self.tween[i].value.call(node, node.__data__, self.index, self.group)) { + tween[++j] = o; } } - this._x = x, this._y = y; + tween.length = j + 1; } -}; -var step = function(context) { - return new Step(context, 0.5); -}; + function tick(elapsed) { + var t = elapsed < self.duration ? self.ease.call(null, elapsed / self.duration) : (self.timer.restart(stop), self.state = ENDING, 1), + i = -1, + n = tween.length; -function stepBefore(context) { - return new Step(context, 0); -} + while (++i < n) { + tween[i].call(null, t); + } -function stepAfter(context) { - return new Step(context, 1); + // Dispatch the end event. + if (self.state === ENDING) { + self.on.call("end", node, node.__data__, self.index, self.group); + stop(); + } + } + + function stop() { + self.state = ENDED; + self.timer.stop(); + delete schedules[id]; + for (var i in schedules) return; // eslint-disable-line no-unused-vars + delete node.__transition; + } } -var slice$2 = Array.prototype.slice; +var interrupt = function(node, name) { + var schedules = node.__transition, + schedule, + active, + empty = true, + i; -var none = function(series, order) { - if (!((n = series.length) > 1)) return; - for (var i = 1, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { - s0 = s1, s1 = series[order[i]]; - for (var j = 0; j < m; ++j) { - s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; - } + if (!schedules) return; + + name = name == null ? null : name + ""; + + for (i in schedules) { + if ((schedule = schedules[i]).name !== name) { empty = false; continue; } + active = schedule.state > STARTING && schedule.state < ENDING; + schedule.state = ENDED; + schedule.timer.stop(); + if (active) schedule.on.call("interrupt", node, node.__data__, schedule.index, schedule.group); + delete schedules[i]; } -}; -var none$1 = function(series) { - var n = series.length, o = new Array(n); - while (--n >= 0) o[n] = n; - return o; + if (empty) delete node.__transition; }; -function stackValue(d, key) { - return d[key]; -} - -var stack = function() { - var keys = constant$2([]), - order = none$1, - offset = none, - value = stackValue; +var selection_interrupt = function(name) { + return this.each(function() { + interrupt(this, name); + }); +}; - function stack(data) { - var kz = keys.apply(this, arguments), - i, - m = data.length, - n = kz.length, - sz = new Array(n), - oz; +function tweenRemove(id, name) { + var tween0, tween1; + return function() { + var schedule = set$1(this, id), + tween = schedule.tween; - for (i = 0; i < n; ++i) { - for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) { - si[j] = sij = [0, +value(data[j], ki, j, data)]; - sij.data = data[j]; + // If this node shared tween with the previous node, + // just assign the updated shared tween and we’re done! + // Otherwise, copy-on-write. + if (tween !== tween0) { + tween1 = tween0 = tween; + for (var i = 0, n = tween1.length; i < n; ++i) { + if (tween1[i].name === name) { + tween1 = tween1.slice(); + tween1.splice(i, 1); + break; + } } - si.key = ki; - } - - for (i = 0, oz = order(sz); i < n; ++i) { - sz[oz[i]].index = i; } - offset(sz, oz); - return sz; - } - - stack.keys = function(_) { - return arguments.length ? (keys = typeof _ === "function" ? _ : constant$2(slice$2.call(_)), stack) : keys; + schedule.tween = tween1; }; +} - stack.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$2(+_), stack) : value; - }; +function tweenFunction(id, name, value) { + var tween0, tween1; + if (typeof value !== "function") throw new Error; + return function() { + var schedule = set$1(this, id), + tween = schedule.tween; - stack.order = function(_) { - return arguments.length ? (order = _ == null ? none$1 : typeof _ === "function" ? _ : constant$2(slice$2.call(_)), stack) : order; - }; + // If this node shared tween with the previous node, + // just assign the updated shared tween and we’re done! + // Otherwise, copy-on-write. + if (tween !== tween0) { + tween1 = (tween0 = tween).slice(); + for (var t = {name: name, value: value}, i = 0, n = tween1.length; i < n; ++i) { + if (tween1[i].name === name) { + tween1[i] = t; + break; + } + } + if (i === n) tween1.push(t); + } - stack.offset = function(_) { - return arguments.length ? (offset = _ == null ? none : _, stack) : offset; + schedule.tween = tween1; }; +} - return stack; -}; - -var expand = function(series, order) { - if (!((n = series.length) > 0)) return; - for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { - for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; - if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; - } - none(series, order); -}; +var transition_tween = function(name, value) { + var id = this._id; -var silhouette = function(series, order) { - if (!((n = series.length) > 0)) return; - for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { - for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; - s0[j][1] += s0[j][0] = -y / 2; - } - none(series, order); -}; + name += ""; -var wiggle = function(series, order) { - if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; - for (var y = 0, j = 1, s0, m, n; j < m; ++j) { - for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { - var si = series[order[i]], - sij0 = si[j][1] || 0, - sij1 = si[j - 1][1] || 0, - s3 = (sij0 - sij1) / 2; - for (var k = 0; k < i; ++k) { - var sk = series[order[k]], - skj0 = sk[j][1] || 0, - skj1 = sk[j - 1][1] || 0; - s3 += skj0 - skj1; + if (arguments.length < 2) { + var tween = get$1(this.node(), id).tween; + for (var i = 0, n = tween.length, t; i < n; ++i) { + if ((t = tween[i]).name === name) { + return t.value; } - s1 += sij0, s2 += s3 * sij0; } - s0[j - 1][1] += s0[j - 1][0] = y; - if (s1) y -= s2 / s1; + return null; } - s0[j - 1][1] += s0[j - 1][0] = y; - none(series, order); -}; -var ascending$1 = function(series) { - var sums = series.map(sum$1); - return none$1(series).sort(function(a, b) { return sums[a] - sums[b]; }); + return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); }; -function sum$1(series) { - var s = 0, i = -1, n = series.length, v; - while (++i < n) if (v = +series[i][1]) s += v; - return s; +function tweenValue(transition, name, value) { + var id = transition._id; + + transition.each(function() { + var schedule = set$1(this, id); + (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); + }); + + return function(node) { + return get$1(node, id).value[name]; + }; } -var descending$2 = function(series) { - return ascending$1(series).reverse(); +var interpolate$$1 = function(a, b) { + var c; + return (typeof b === "number" ? reinterpolate + : b instanceof color ? interpolateRgb + : (c = color(b)) ? (b = c, interpolateRgb) + : interpolateString)(a, b); }; -var insideOut = function(series) { - var n = series.length, - i, - j, - sums = series.map(sum$1), - order = none$1(series).sort(function(a, b) { return sums[b] - sums[a]; }), - top = 0, - bottom = 0, - tops = [], - bottoms = []; +function attrRemove$1(name) { + return function() { + this.removeAttribute(name); + }; +} - for (i = 0; i < n; ++i) { - j = order[i]; - if (top < bottom) { - top += sums[j]; - tops.push(j); - } else { - bottom += sums[j]; - bottoms.push(j); - } - } +function attrRemoveNS$1(fullname) { + return function() { + this.removeAttributeNS(fullname.space, fullname.local); + }; +} - return bottoms.reverse().concat(tops); -}; +function attrConstant$1(name, interpolate$$1, value1) { + var value00, + interpolate0; + return function() { + var value0 = this.getAttribute(name); + return value0 === value1 ? null + : value0 === value00 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value1); + }; +} + +function attrConstantNS$1(fullname, interpolate$$1, value1) { + var value00, + interpolate0; + return function() { + var value0 = this.getAttributeNS(fullname.space, fullname.local); + return value0 === value1 ? null + : value0 === value00 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value1); + }; +} + +function attrFunction$1(name, interpolate$$1, value) { + var value00, + value10, + interpolate0; + return function() { + var value0, value1 = value(this); + if (value1 == null) return void this.removeAttribute(name); + value0 = this.getAttribute(name); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + }; +} -var reverse = function(series) { - return none$1(series).reverse(); -}; +function attrFunctionNS$1(fullname, interpolate$$1, value) { + var value00, + value10, + interpolate0; + return function() { + var value0, value1 = value(this); + if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local); + value0 = this.getAttributeNS(fullname.space, fullname.local); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + }; +} -var define = function(constructor, factory, prototype) { - constructor.prototype = factory.prototype = prototype; - prototype.constructor = constructor; +var transition_attr = function(name, value) { + var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate$$1; + return this.attrTween(name, typeof value === "function" + ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) + : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) + : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); }; -function extend(parent, definition) { - var prototype = Object.create(parent.prototype); - for (var key in definition) prototype[key] = definition[key]; - return prototype; +function attrTweenNS(fullname, value) { + function tween() { + var node = this, i = value.apply(node, arguments); + return i && function(t) { + node.setAttributeNS(fullname.space, fullname.local, i(t)); + }; + } + tween._value = value; + return tween; } -function Color() {} - -var darker = 0.7; -var brighter = 1 / darker; - -var reI = "\\s*([+-]?\\d+)\\s*"; -var reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*"; -var reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*"; -var reHex3 = /^#([0-9a-f]{3})$/; -var reHex6 = /^#([0-9a-f]{6})$/; -var reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"); -var reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"); -var reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"); -var reRgbaPercent = new RegExp("^rgba\\(" + [reP, reP, reP, reN] + "\\)$"); -var reHslPercent = new RegExp("^hsl\\(" + [reN, reP, reP] + "\\)$"); -var reHslaPercent = new RegExp("^hsla\\(" + [reN, reP, reP, reN] + "\\)$"); +function attrTween(name, value) { + function tween() { + var node = this, i = value.apply(node, arguments); + return i && function(t) { + node.setAttribute(name, i(t)); + }; + } + tween._value = value; + return tween; +} -var named = { - aliceblue: 0xf0f8ff, - antiquewhite: 0xfaebd7, - aqua: 0x00ffff, - aquamarine: 0x7fffd4, - azure: 0xf0ffff, - beige: 0xf5f5dc, - bisque: 0xffe4c4, - black: 0x000000, - blanchedalmond: 0xffebcd, - blue: 0x0000ff, - blueviolet: 0x8a2be2, - brown: 0xa52a2a, - burlywood: 0xdeb887, - cadetblue: 0x5f9ea0, - chartreuse: 0x7fff00, - chocolate: 0xd2691e, - coral: 0xff7f50, - cornflowerblue: 0x6495ed, - cornsilk: 0xfff8dc, - crimson: 0xdc143c, - cyan: 0x00ffff, - darkblue: 0x00008b, - darkcyan: 0x008b8b, - darkgoldenrod: 0xb8860b, - darkgray: 0xa9a9a9, - darkgreen: 0x006400, - darkgrey: 0xa9a9a9, - darkkhaki: 0xbdb76b, - darkmagenta: 0x8b008b, - darkolivegreen: 0x556b2f, - darkorange: 0xff8c00, - darkorchid: 0x9932cc, - darkred: 0x8b0000, - darksalmon: 0xe9967a, - darkseagreen: 0x8fbc8f, - darkslateblue: 0x483d8b, - darkslategray: 0x2f4f4f, - darkslategrey: 0x2f4f4f, - darkturquoise: 0x00ced1, - darkviolet: 0x9400d3, - deeppink: 0xff1493, - deepskyblue: 0x00bfff, - dimgray: 0x696969, - dimgrey: 0x696969, - dodgerblue: 0x1e90ff, - firebrick: 0xb22222, - floralwhite: 0xfffaf0, - forestgreen: 0x228b22, - fuchsia: 0xff00ff, - gainsboro: 0xdcdcdc, - ghostwhite: 0xf8f8ff, - gold: 0xffd700, - goldenrod: 0xdaa520, - gray: 0x808080, - green: 0x008000, - greenyellow: 0xadff2f, - grey: 0x808080, - honeydew: 0xf0fff0, - hotpink: 0xff69b4, - indianred: 0xcd5c5c, - indigo: 0x4b0082, - ivory: 0xfffff0, - khaki: 0xf0e68c, - lavender: 0xe6e6fa, - lavenderblush: 0xfff0f5, - lawngreen: 0x7cfc00, - lemonchiffon: 0xfffacd, - lightblue: 0xadd8e6, - lightcoral: 0xf08080, - lightcyan: 0xe0ffff, - lightgoldenrodyellow: 0xfafad2, - lightgray: 0xd3d3d3, - lightgreen: 0x90ee90, - lightgrey: 0xd3d3d3, - lightpink: 0xffb6c1, - lightsalmon: 0xffa07a, - lightseagreen: 0x20b2aa, - lightskyblue: 0x87cefa, - lightslategray: 0x778899, - lightslategrey: 0x778899, - lightsteelblue: 0xb0c4de, - lightyellow: 0xffffe0, - lime: 0x00ff00, - limegreen: 0x32cd32, - linen: 0xfaf0e6, - magenta: 0xff00ff, - maroon: 0x800000, - mediumaquamarine: 0x66cdaa, - mediumblue: 0x0000cd, - mediumorchid: 0xba55d3, - mediumpurple: 0x9370db, - mediumseagreen: 0x3cb371, - mediumslateblue: 0x7b68ee, - mediumspringgreen: 0x00fa9a, - mediumturquoise: 0x48d1cc, - mediumvioletred: 0xc71585, - midnightblue: 0x191970, - mintcream: 0xf5fffa, - mistyrose: 0xffe4e1, - moccasin: 0xffe4b5, - navajowhite: 0xffdead, - navy: 0x000080, - oldlace: 0xfdf5e6, - olive: 0x808000, - olivedrab: 0x6b8e23, - orange: 0xffa500, - orangered: 0xff4500, - orchid: 0xda70d6, - palegoldenrod: 0xeee8aa, - palegreen: 0x98fb98, - paleturquoise: 0xafeeee, - palevioletred: 0xdb7093, - papayawhip: 0xffefd5, - peachpuff: 0xffdab9, - peru: 0xcd853f, - pink: 0xffc0cb, - plum: 0xdda0dd, - powderblue: 0xb0e0e6, - purple: 0x800080, - rebeccapurple: 0x663399, - red: 0xff0000, - rosybrown: 0xbc8f8f, - royalblue: 0x4169e1, - saddlebrown: 0x8b4513, - salmon: 0xfa8072, - sandybrown: 0xf4a460, - seagreen: 0x2e8b57, - seashell: 0xfff5ee, - sienna: 0xa0522d, - silver: 0xc0c0c0, - skyblue: 0x87ceeb, - slateblue: 0x6a5acd, - slategray: 0x708090, - slategrey: 0x708090, - snow: 0xfffafa, - springgreen: 0x00ff7f, - steelblue: 0x4682b4, - tan: 0xd2b48c, - teal: 0x008080, - thistle: 0xd8bfd8, - tomato: 0xff6347, - turquoise: 0x40e0d0, - violet: 0xee82ee, - wheat: 0xf5deb3, - white: 0xffffff, - whitesmoke: 0xf5f5f5, - yellow: 0xffff00, - yellowgreen: 0x9acd32 +var transition_attrTween = function(name, value) { + var key = "attr." + name; + if (arguments.length < 2) return (key = this.tween(key)) && key._value; + if (value == null) return this.tween(key, null); + if (typeof value !== "function") throw new Error; + var fullname = namespace(name); + return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value)); }; -define(Color, color, { - displayable: function() { - return this.rgb().displayable(); - }, - toString: function() { - return this.rgb() + ""; - } -}); +function delayFunction(id, value) { + return function() { + init(this, id).delay = +value.apply(this, arguments); + }; +} -function color(format) { - var m; - format = (format + "").trim().toLowerCase(); - return (m = reHex3.exec(format)) ? (m = parseInt(m[1], 16), new Rgb((m >> 8 & 0xf) | (m >> 4 & 0x0f0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1)) // #f00 - : (m = reHex6.exec(format)) ? rgbn(parseInt(m[1], 16)) // #ff0000 - : (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0) - : (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%) - : (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1) - : (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1) - : (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%) - : (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1) - : named.hasOwnProperty(format) ? rgbn(named[format]) - : format === "transparent" ? new Rgb(NaN, NaN, NaN, 0) - : null; +function delayConstant(id, value) { + return value = +value, function() { + init(this, id).delay = value; + }; } -function rgbn(n) { - return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1); -} +var transition_delay = function(value) { + var id = this._id; -function rgba(r, g, b, a) { - if (a <= 0) r = g = b = NaN; - return new Rgb(r, g, b, a); -} + return arguments.length + ? this.each((typeof value === "function" + ? delayFunction + : delayConstant)(id, value)) + : get$1(this.node(), id).delay; +}; -function rgbConvert(o) { - if (!(o instanceof Color)) o = color(o); - if (!o) return new Rgb; - o = o.rgb(); - return new Rgb(o.r, o.g, o.b, o.opacity); +function durationFunction(id, value) { + return function() { + set$1(this, id).duration = +value.apply(this, arguments); + }; } -function rgb(r, g, b, opacity) { - return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity); +function durationConstant(id, value) { + return value = +value, function() { + set$1(this, id).duration = value; + }; } -function Rgb(r, g, b, opacity) { - this.r = +r; - this.g = +g; - this.b = +b; - this.opacity = +opacity; +var transition_duration = function(value) { + var id = this._id; + + return arguments.length + ? this.each((typeof value === "function" + ? durationFunction + : durationConstant)(id, value)) + : get$1(this.node(), id).duration; +}; + +function easeConstant(id, value) { + if (typeof value !== "function") throw new Error; + return function() { + set$1(this, id).ease = value; + }; } -define(Rgb, rgb, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); - }, - rgb: function() { - return this; - }, - displayable: function() { - return (0 <= this.r && this.r <= 255) - && (0 <= this.g && this.g <= 255) - && (0 <= this.b && this.b <= 255) - && (0 <= this.opacity && this.opacity <= 1); - }, - toString: function() { - var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); - return (a === 1 ? "rgb(" : "rgba(") - + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.b) || 0)) - + (a === 1 ? ")" : ", " + a + ")"); +var transition_ease = function(value) { + var id = this._id; + + return arguments.length + ? this.each(easeConstant(id, value)) + : get$1(this.node(), id).ease; +}; + +var transition_filter = function(match) { + if (typeof match !== "function") match = matcher$1(match); + + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { + if ((node = group[i]) && match.call(node, node.__data__, i, group)) { + subgroup.push(node); + } + } } -})); -function hsla(h, s, l, a) { - if (a <= 0) h = s = l = NaN; - else if (l <= 0 || l >= 1) h = s = NaN; - else if (s <= 0) h = NaN; - return new Hsl(h, s, l, a); -} + return new Transition(subgroups, this._parents, this._name, this._id); +}; -function hslConvert(o) { - if (o instanceof Hsl) return new Hsl(o.h, o.s, o.l, o.opacity); - if (!(o instanceof Color)) o = color(o); - if (!o) return new Hsl; - if (o instanceof Hsl) return o; - o = o.rgb(); - var r = o.r / 255, - g = o.g / 255, - b = o.b / 255, - min = Math.min(r, g, b), - max = Math.max(r, g, b), - h = NaN, - s = max - min, - l = (max + min) / 2; - if (s) { - if (r === max) h = (g - b) / s + (g < b) * 6; - else if (g === max) h = (b - r) / s + 2; - else h = (r - g) / s + 4; - s /= l < 0.5 ? max + min : 2 - max - min; - h *= 60; - } else { - s = l > 0 && l < 1 ? 0 : h; +var transition_merge = function(transition) { + if (transition._id !== this._id) throw new Error; + + for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group0[i] || group1[i]) { + merge[i] = node; + } + } } - return new Hsl(h, s, l, o.opacity); + + for (; j < m0; ++j) { + merges[j] = groups0[j]; + } + + return new Transition(merges, this._parents, this._name, this._id); +}; + +function start(name) { + return (name + "").trim().split(/^|\s+/).every(function(t) { + var i = t.indexOf("."); + if (i >= 0) t = t.slice(0, i); + return !t || t === "start"; + }); } -function hsl(h, s, l, opacity) { - return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity); +function onFunction(id, name, listener) { + var on0, on1, sit = start(name) ? init : set$1; + return function() { + var schedule = sit(this, id), + on = schedule.on; + + // If this node shared a dispatch with the previous node, + // just assign the updated shared dispatch and we’re done! + // Otherwise, copy-on-write. + if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener); + + schedule.on = on1; + }; } -function Hsl(h, s, l, opacity) { - this.h = +h; - this.s = +s; - this.l = +l; - this.opacity = +opacity; +var transition_on = function(name, listener) { + var id = this._id; + + return arguments.length < 2 + ? get$1(this.node(), id).on.on(name) + : this.each(onFunction(id, name, listener)); +}; + +function removeFunction(id) { + return function() { + var parent = this.parentNode; + for (var i in this.__transition) if (+i !== id) return; + if (parent) parent.removeChild(this); + }; } -define(Hsl, hsl, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Hsl(this.h, this.s, this.l * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Hsl(this.h, this.s, this.l * k, this.opacity); - }, - rgb: function() { - var h = this.h % 360 + (this.h < 0) * 360, - s = isNaN(h) || isNaN(this.s) ? 0 : this.s, - l = this.l, - m2 = l + (l < 0.5 ? l : 1 - l) * s, - m1 = 2 * l - m2; - return new Rgb( - hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2), - hsl2rgb(h, m1, m2), - hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2), - this.opacity - ); - }, - displayable: function() { - return (0 <= this.s && this.s <= 1 || isNaN(this.s)) - && (0 <= this.l && this.l <= 1) - && (0 <= this.opacity && this.opacity <= 1); +var transition_remove = function() { + return this.on("end.remove", removeFunction(this._id)); +}; + +var transition_select = function(select$$1) { + var name = this._name, + id = this._id; + + if (typeof select$$1 !== "function") select$$1 = selector(select$$1); + + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { + if ((node = group[i]) && (subnode = select$$1.call(node, node.__data__, i, group))) { + if ("__data__" in node) subnode.__data__ = node.__data__; + subgroup[i] = subnode; + schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); + } + } } -})); -/* From FvD 13.37, CSS Color Module Level 3 */ -function hsl2rgb(h, m1, m2) { - return (h < 60 ? m1 + (m2 - m1) * h / 60 - : h < 180 ? m2 - : h < 240 ? m1 + (m2 - m1) * (240 - h) / 60 - : m1) * 255; -} + return new Transition(subgroups, this._parents, name, id); +}; -var deg2rad = Math.PI / 180; -var rad2deg = 180 / Math.PI; +var transition_selectAll = function(select$$1) { + var name = this._name, + id = this._id; -var Kn = 18; -var Xn = 0.950470; -var Yn = 1; -var Zn = 1.088830; -var t0 = 4 / 29; -var t1 = 6 / 29; -var t2 = 3 * t1 * t1; -var t3 = t1 * t1 * t1; + if (typeof select$$1 !== "function") select$$1 = selectorAll(select$$1); -function labConvert(o) { - if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); - if (o instanceof Hcl) { - var h = o.h * deg2rad; - return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); + for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + for (var children = select$$1.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { + if (child = children[k]) { + schedule(child, name, id, k, children, inherit); + } + } + subgroups.push(children); + parents.push(node); + } + } } - if (!(o instanceof Rgb)) o = rgbConvert(o); - var b = rgb2xyz(o.r), - a = rgb2xyz(o.g), - l = rgb2xyz(o.b), - x = xyz2lab((0.4124564 * b + 0.3575761 * a + 0.1804375 * l) / Xn), - y = xyz2lab((0.2126729 * b + 0.7151522 * a + 0.0721750 * l) / Yn), - z = xyz2lab((0.0193339 * b + 0.1191920 * a + 0.9503041 * l) / Zn); - return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity); -} -function lab(l, a, b, opacity) { - return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity); -} + return new Transition(subgroups, parents, name, id); +}; -function Lab(l, a, b, opacity) { - this.l = +l; - this.a = +a; - this.b = +b; - this.opacity = +opacity; -} +var Selection$1 = selection.prototype.constructor; -define(Lab, lab, extend(Color, { - brighter: function(k) { - return new Lab(this.l + Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); - }, - darker: function(k) { - return new Lab(this.l - Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); - }, - rgb: function() { - var y = (this.l + 16) / 116, - x = isNaN(this.a) ? y : y + this.a / 500, - z = isNaN(this.b) ? y : y - this.b / 200; - y = Yn * lab2xyz(y); - x = Xn * lab2xyz(x); - z = Zn * lab2xyz(z); - return new Rgb( - xyz2rgb( 3.2404542 * x - 1.5371385 * y - 0.4985314 * z), // D65 -> sRGB - xyz2rgb(-0.9692660 * x + 1.8760108 * y + 0.0415560 * z), - xyz2rgb( 0.0556434 * x - 0.2040259 * y + 1.0572252 * z), - this.opacity - ); - } -})); +var transition_selection = function() { + return new Selection$1(this._groups, this._parents); +}; -function xyz2lab(t) { - return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0; +function styleRemove$1(name, interpolate$$2) { + var value00, + value10, + interpolate0; + return function() { + var style = window(this).getComputedStyle(this, null), + value0 = style.getPropertyValue(name), + value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate$$2(value00 = value0, value10 = value1); + }; } -function lab2xyz(t) { - return t > t1 ? t * t * t : t2 * (t - t0); +function styleRemoveEnd(name) { + return function() { + this.style.removeProperty(name); + }; } -function xyz2rgb(x) { - return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055); +function styleConstant$1(name, interpolate$$2, value1) { + var value00, + interpolate0; + return function() { + var value0 = window(this).getComputedStyle(this, null).getPropertyValue(name); + return value0 === value1 ? null + : value0 === value00 ? interpolate0 + : interpolate0 = interpolate$$2(value00 = value0, value1); + }; } -function rgb2xyz(x) { - return (x /= 255) <= 0.04045 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4); +function styleFunction$1(name, interpolate$$2, value) { + var value00, + value10, + interpolate0; + return function() { + var style = window(this).getComputedStyle(this, null), + value0 = style.getPropertyValue(name), + value1 = value(this); + if (value1 == null) value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate$$2(value00 = value0, value10 = value1); + }; } -function hclConvert(o) { - if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); - if (!(o instanceof Lab)) o = labConvert(o); - var h = Math.atan2(o.b, o.a) * rad2deg; - return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); +var transition_style = function(name, value, priority) { + var i = (name += "") === "transform" ? interpolateTransformCss : interpolate$$1; + return value == null ? this + .styleTween(name, styleRemove$1(name, i)) + .on("end.style." + name, styleRemoveEnd(name)) + : this.styleTween(name, typeof value === "function" + ? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) + : styleConstant$1(name, i, value), priority); +}; + +function styleTween(name, value, priority) { + function tween() { + var node = this, i = value.apply(node, arguments); + return i && function(t) { + node.style.setProperty(name, i(t), priority); + }; + } + tween._value = value; + return tween; } -function hcl(h, c, l, opacity) { - return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity); +var transition_styleTween = function(name, value, priority) { + var key = "style." + (name += ""); + if (arguments.length < 2) return (key = this.tween(key)) && key._value; + if (value == null) return this.tween(key, null); + if (typeof value !== "function") throw new Error; + return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); +}; + +function textConstant$1(value) { + return function() { + this.textContent = value; + }; } -function Hcl(h, c, l, opacity) { - this.h = +h; - this.c = +c; - this.l = +l; - this.opacity = +opacity; +function textFunction$1(value) { + return function() { + var value1 = value(this); + this.textContent = value1 == null ? "" : value1; + }; } -define(Hcl, hcl, extend(Color, { - brighter: function(k) { - return new Hcl(this.h, this.c, this.l + Kn * (k == null ? 1 : k), this.opacity); - }, - darker: function(k) { - return new Hcl(this.h, this.c, this.l - Kn * (k == null ? 1 : k), this.opacity); - }, - rgb: function() { - return labConvert(this).rgb(); +var transition_text = function(value) { + return this.tween("text", typeof value === "function" + ? textFunction$1(tweenValue(this, "text", value)) + : textConstant$1(value == null ? "" : value + "")); +}; + +var transition_transition = function() { + var name = this._name, + id0 = this._id, + id1 = newId(); + + for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + var inherit = get$1(node, id0); + schedule(node, name, id1, i, group, { + time: inherit.time + inherit.delay + inherit.duration, + delay: 0, + duration: inherit.duration, + ease: inherit.ease + }); + } + } } -})); -var A = -0.14861; -var B = +1.78277; -var C = -0.29227; -var D = -0.90649; -var E = +1.97294; -var ED = E * D; -var EB = E * B; -var BC_DA = B * C - D * A; + return new Transition(groups, this._parents, name, id1); +}; -function cubehelixConvert(o) { - if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity); - if (!(o instanceof Rgb)) o = rgbConvert(o); - var r = o.r / 255, - g = o.g / 255, - b = o.b / 255, - l = (BC_DA * b + ED * r - EB * g) / (BC_DA + ED - EB), - bl = b - l, - k = (E * (g - l) - C * bl) / D, - s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1 - h = s ? Math.atan2(k, bl) * rad2deg - 120 : NaN; - return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity); -} +var id = 0; -function cubehelix(h, s, l, opacity) { - return arguments.length === 1 ? cubehelixConvert(h) : new Cubehelix(h, s, l, opacity == null ? 1 : opacity); +function Transition(groups, parents, name, id) { + this._groups = groups; + this._parents = parents; + this._name = name; + this._id = id; } -function Cubehelix(h, s, l, opacity) { - this.h = +h; - this.s = +s; - this.l = +l; - this.opacity = +opacity; +function transition(name) { + return selection().transition(name); } -define(Cubehelix, cubehelix, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Cubehelix(this.h, this.s, this.l * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Cubehelix(this.h, this.s, this.l * k, this.opacity); - }, - rgb: function() { - var h = isNaN(this.h) ? 0 : (this.h + 120) * deg2rad, - l = +this.l, - a = isNaN(this.s) ? 0 : this.s * l * (1 - l), - cosh = Math.cos(h), - sinh = Math.sin(h); - return new Rgb( - 255 * (l + a * (A * cosh + B * sinh)), - 255 * (l + a * (C * cosh + D * sinh)), - 255 * (l + a * (E * cosh)), - this.opacity - ); - } -})); - -function basis$1(t1, v0, v1, v2, v3) { - var t2 = t1 * t1, t3 = t2 * t1; - return ((1 - 3 * t1 + 3 * t2 - t3) * v0 - + (4 - 6 * t2 + 3 * t3) * v1 - + (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2 - + t3 * v3) / 6; +function newId() { + return ++id; } -var basis$2 = function(values) { - var n = values.length - 1; - return function(t) { - var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n), - v1 = values[i], - v2 = values[i + 1], - v0 = i > 0 ? values[i - 1] : 2 * v1 - v2, - v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; - return basis$1((t - i / n) * n, v0, v1, v2, v3); - }; +var selection_prototype = selection.prototype; + +Transition.prototype = transition.prototype = { + constructor: Transition, + select: transition_select, + selectAll: transition_selectAll, + filter: transition_filter, + merge: transition_merge, + selection: transition_selection, + transition: transition_transition, + call: selection_prototype.call, + nodes: selection_prototype.nodes, + node: selection_prototype.node, + size: selection_prototype.size, + empty: selection_prototype.empty, + each: selection_prototype.each, + on: transition_on, + attr: transition_attr, + attrTween: transition_attrTween, + style: transition_style, + styleTween: transition_styleTween, + text: transition_text, + remove: transition_remove, + tween: transition_tween, + delay: transition_delay, + duration: transition_duration, + ease: transition_ease }; -var basisClosed$1 = function(values) { - var n = values.length; - return function(t) { - var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n), - v0 = values[(i + n - 1) % n], - v1 = values[i % n], - v2 = values[(i + 1) % n], - v3 = values[(i + 2) % n]; - return basis$1((t - i / n) * n, v0, v1, v2, v3); - }; -}; +function linear$1(t) { + return +t; +} -var constant$3 = function(x) { - return function() { - return x; - }; -}; +function quadIn(t) { + return t * t; +} -function linear$1(a, d) { - return function(t) { - return a + t * d; - }; +function quadOut(t) { + return t * (2 - t); } -function exponential$1(a, b, y) { - return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) { - return Math.pow(a + t * b, y); - }; +function quadInOut(t) { + return ((t *= 2) <= 1 ? t * t : --t * (2 - t) + 1) / 2; } -function hue(a, b) { - var d = b - a; - return d ? linear$1(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$3(isNaN(a) ? b : a); +function cubicIn(t) { + return t * t * t; } -function gamma(y) { - return (y = +y) === 1 ? nogamma : function(a, b) { - return b - a ? exponential$1(a, b, y) : constant$3(isNaN(a) ? b : a); - }; +function cubicOut(t) { + return --t * t * t + 1; } -function nogamma(a, b) { - var d = b - a; - return d ? linear$1(a, d) : constant$3(isNaN(a) ? b : a); +function cubicInOut(t) { + return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2; } -var interpolateRgb = (function rgbGamma(y) { - var color$$1 = gamma(y); +var exponent = 3; - function rgb$$1(start, end) { - var r = color$$1((start = rgb(start)).r, (end = rgb(end)).r), - g = color$$1(start.g, end.g), - b = color$$1(start.b, end.b), - opacity = color$$1(start.opacity, end.opacity); - return function(t) { - start.r = r(t); - start.g = g(t); - start.b = b(t); - start.opacity = opacity(t); - return start + ""; - }; +var polyIn = (function custom(e) { + e = +e; + + function polyIn(t) { + return Math.pow(t, e); } - rgb$$1.gamma = rgbGamma; + polyIn.exponent = custom; - return rgb$$1; -})(1); + return polyIn; +})(exponent); -function rgbSpline(spline) { - return function(colors) { - var n = colors.length, - r = new Array(n), - g = new Array(n), - b = new Array(n), - i, color$$1; - for (i = 0; i < n; ++i) { - color$$1 = rgb(colors[i]); - r[i] = color$$1.r || 0; - g[i] = color$$1.g || 0; - b[i] = color$$1.b || 0; - } - r = spline(r); - g = spline(g); - b = spline(b); - color$$1.opacity = 1; - return function(t) { - color$$1.r = r(t); - color$$1.g = g(t); - color$$1.b = b(t); - return color$$1 + ""; - }; - }; -} +var polyOut = (function custom(e) { + e = +e; -var rgbBasis = rgbSpline(basis$2); -var rgbBasisClosed = rgbSpline(basisClosed$1); + function polyOut(t) { + return 1 - Math.pow(1 - t, e); + } -var array$1 = function(a, b) { - var nb = b ? b.length : 0, - na = a ? Math.min(nb, a.length) : 0, - x = new Array(nb), - c = new Array(nb), - i; + polyOut.exponent = custom; - for (i = 0; i < na; ++i) x[i] = interpolate(a[i], b[i]); - for (; i < nb; ++i) c[i] = b[i]; + return polyOut; +})(exponent); - return function(t) { - for (i = 0; i < na; ++i) c[i] = x[i](t); - return c; - }; -}; +var polyInOut = (function custom(e) { + e = +e; -var date = function(a, b) { - var d = new Date; - return a = +a, b -= a, function(t) { - return d.setTime(a + b * t), d; - }; -}; + function polyInOut(t) { + return ((t *= 2) <= 1 ? Math.pow(t, e) : 2 - Math.pow(2 - t, e)) / 2; + } -var interpolateNumber = function(a, b) { - return a = +a, b -= a, function(t) { - return a + b * t; - }; -}; + polyInOut.exponent = custom; -var object = function(a, b) { - var i = {}, - c = {}, - k; + return polyInOut; +})(exponent); - if (a === null || typeof a !== "object") a = {}; - if (b === null || typeof b !== "object") b = {}; +var pi = Math.PI; +var halfPi = pi / 2; - for (k in b) { - if (k in a) { - i[k] = interpolate(a[k], b[k]); - } else { - c[k] = b[k]; - } - } +function sinIn(t) { + return 1 - Math.cos(t * halfPi); +} - return function(t) { - for (k in i) c[k] = i[k](t); - return c; - }; -}; +function sinOut(t) { + return Math.sin(t * halfPi); +} -var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; -var reB = new RegExp(reA.source, "g"); +function sinInOut(t) { + return (1 - Math.cos(pi * t)) / 2; +} -function zero(b) { - return function() { - return b; - }; +function expIn(t) { + return Math.pow(2, 10 * t - 10); } -function one(b) { - return function(t) { - return b(t) + ""; - }; +function expOut(t) { + return 1 - Math.pow(2, -10 * t); } -var interpolateString = function(a, b) { - var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b - am, // current match in a - bm, // current match in b - bs, // string preceding current number in b, if any - i = -1, // index in s - s = [], // string constants and placeholders - q = []; // number interpolators +function expInOut(t) { + return ((t *= 2) <= 1 ? Math.pow(2, 10 * t - 10) : 2 - Math.pow(2, 10 - 10 * t)) / 2; +} - // Coerce inputs to strings. - a = a + "", b = b + ""; +function circleIn(t) { + return 1 - Math.sqrt(1 - t * t); +} - // Interpolate pairs of numbers in a & b. - while ((am = reA.exec(a)) - && (bm = reB.exec(b))) { - if ((bs = bm.index) > bi) { // a string precedes the next number in b - bs = b.slice(bi, bs); - if (s[i]) s[i] += bs; // coalesce with previous string - else s[++i] = bs; - } - if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match - if (s[i]) s[i] += bm; // coalesce with previous string - else s[++i] = bm; - } else { // interpolate non-matching numbers - s[++i] = null; - q.push({i: i, x: interpolateNumber(am, bm)}); - } - bi = reB.lastIndex; - } +function circleOut(t) { + return Math.sqrt(1 - --t * t); +} + +function circleInOut(t) { + return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2; +} + +var b1 = 4 / 11; +var b2 = 6 / 11; +var b3 = 8 / 11; +var b4 = 3 / 4; +var b5 = 9 / 11; +var b6 = 10 / 11; +var b7 = 15 / 16; +var b8 = 21 / 22; +var b9 = 63 / 64; +var b0 = 1 / b1 / b1; + +function bounceIn(t) { + return 1 - bounceOut(1 - t); +} + +function bounceOut(t) { + return (t = +t) < b1 ? b0 * t * t : t < b3 ? b0 * (t -= b2) * t + b4 : t < b6 ? b0 * (t -= b5) * t + b7 : b0 * (t -= b8) * t + b9; +} + +function bounceInOut(t) { + return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2; +} + +var overshoot = 1.70158; + +var backIn = (function custom(s) { + s = +s; - // Add remains of b. - if (bi < b.length) { - bs = b.slice(bi); - if (s[i]) s[i] += bs; // coalesce with previous string - else s[++i] = bs; + function backIn(t) { + return t * t * ((s + 1) * t - s); } - // Special optimization for only a single match. - // Otherwise, interpolate each of the numbers and rejoin the string. - return s.length < 2 ? (q[0] - ? one(q[0].x) - : zero(b)) - : (b = q.length, function(t) { - for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); - return s.join(""); - }); -}; + backIn.overshoot = custom; -var interpolate = function(a, b) { - var t = typeof b, c; - return b == null || t === "boolean" ? constant$3(b) - : (t === "number" ? interpolateNumber - : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) - : b instanceof color ? interpolateRgb - : b instanceof Date ? date - : Array.isArray(b) ? array$1 - : isNaN(b) ? object - : interpolateNumber)(a, b); -}; + return backIn; +})(overshoot); -var interpolateRound = function(a, b) { - return a = +a, b -= a, function(t) { - return Math.round(a + b * t); - }; -}; +var backOut = (function custom(s) { + s = +s; -var degrees = 180 / Math.PI; + function backOut(t) { + return --t * t * ((s + 1) * t + s) + 1; + } -var identity$2 = { - translateX: 0, - translateY: 0, - rotate: 0, - skewX: 0, - scaleX: 1, - scaleY: 1 -}; + backOut.overshoot = custom; -var decompose = function(a, b, c, d, e, f) { - var scaleX, scaleY, skewX; - if (scaleX = Math.sqrt(a * a + b * b)) a /= scaleX, b /= scaleX; - if (skewX = a * c + b * d) c -= a * skewX, d -= b * skewX; - if (scaleY = Math.sqrt(c * c + d * d)) c /= scaleY, d /= scaleY, skewX /= scaleY; - if (a * d < b * c) a = -a, b = -b, skewX = -skewX, scaleX = -scaleX; - return { - translateX: e, - translateY: f, - rotate: Math.atan2(b, a) * degrees, - skewX: Math.atan(skewX) * degrees, - scaleX: scaleX, - scaleY: scaleY - }; -}; + return backOut; +})(overshoot); -var cssNode; -var cssRoot; -var cssView; -var svgNode; +var backInOut = (function custom(s) { + s = +s; -function parseCss(value) { - if (value === "none") return identity$2; - if (!cssNode) cssNode = document.createElement("DIV"), cssRoot = document.documentElement, cssView = document.defaultView; - cssNode.style.transform = value; - value = cssView.getComputedStyle(cssRoot.appendChild(cssNode), null).getPropertyValue("transform"); - cssRoot.removeChild(cssNode); - value = value.slice(7, -1).split(","); - return decompose(+value[0], +value[1], +value[2], +value[3], +value[4], +value[5]); -} + function backInOut(t) { + return ((t *= 2) < 1 ? t * t * ((s + 1) * t - s) : (t -= 2) * t * ((s + 1) * t + s) + 2) / 2; + } -function parseSvg(value) { - if (value == null) return identity$2; - if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g"); - svgNode.setAttribute("transform", value); - if (!(value = svgNode.transform.baseVal.consolidate())) return identity$2; - value = value.matrix; - return decompose(value.a, value.b, value.c, value.d, value.e, value.f); -} + backInOut.overshoot = custom; -function interpolateTransform(parse, pxComma, pxParen, degParen) { + return backInOut; +})(overshoot); - function pop(s) { - return s.length ? s.pop() + " " : ""; - } +var tau = 2 * Math.PI; +var amplitude = 1; +var period = 0.3; - function translate(xa, ya, xb, yb, s, q) { - if (xa !== xb || ya !== yb) { - var i = s.push("translate(", null, pxComma, null, pxParen); - q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); - } else if (xb || yb) { - s.push("translate(" + xb + pxComma + yb + pxParen); - } - } +var elasticIn = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); - function rotate(a, b, s, q) { - if (a !== b) { - if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path - q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: interpolateNumber(a, b)}); - } else if (b) { - s.push(pop(s) + "rotate(" + b + degParen); - } + function elasticIn(t) { + return a * Math.pow(2, 10 * --t) * Math.sin((s - t) / p); } - function skewX(a, b, s, q) { - if (a !== b) { - q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: interpolateNumber(a, b)}); - } else if (b) { - s.push(pop(s) + "skewX(" + b + degParen); - } - } + elasticIn.amplitude = function(a) { return custom(a, p * tau); }; + elasticIn.period = function(p) { return custom(a, p); }; - function scale(xa, ya, xb, yb, s, q) { - if (xa !== xb || ya !== yb) { - var i = s.push(pop(s) + "scale(", null, ",", null, ")"); - q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); - } else if (xb !== 1 || yb !== 1) { - s.push(pop(s) + "scale(" + xb + "," + yb + ")"); - } + return elasticIn; +})(amplitude, period); + +var elasticOut = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); + + function elasticOut(t) { + return 1 - a * Math.pow(2, -10 * (t = +t)) * Math.sin((t + s) / p); } - return function(a, b) { - var s = [], // string constants and placeholders - q = []; // number interpolators - a = parse(a), b = parse(b); - translate(a.translateX, a.translateY, b.translateX, b.translateY, s, q); - rotate(a.rotate, b.rotate, s, q); - skewX(a.skewX, b.skewX, s, q); - scale(a.scaleX, a.scaleY, b.scaleX, b.scaleY, s, q); - a = b = null; // gc - return function(t) { - var i = -1, n = q.length, o; - while (++i < n) s[(o = q[i]).i] = o.x(t); - return s.join(""); - }; - }; -} + elasticOut.amplitude = function(a) { return custom(a, p * tau); }; + elasticOut.period = function(p) { return custom(a, p); }; -var interpolateTransformCss = interpolateTransform(parseCss, "px, ", "px)", "deg)"); -var interpolateTransformSvg = interpolateTransform(parseSvg, ", ", ")", ")"); + return elasticOut; +})(amplitude, period); -var rho = Math.SQRT2; -var rho2 = 2; -var rho4 = 4; -var epsilon2 = 1e-12; +var elasticInOut = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); -function cosh(x) { - return ((x = Math.exp(x)) + 1 / x) / 2; -} + function elasticInOut(t) { + return ((t = t * 2 - 1) < 0 + ? a * Math.pow(2, 10 * t) * Math.sin((s - t) / p) + : 2 - a * Math.pow(2, -10 * t) * Math.sin((s + t) / p)) / 2; + } -function sinh(x) { - return ((x = Math.exp(x)) - 1 / x) / 2; -} + elasticInOut.amplitude = function(a) { return custom(a, p * tau); }; + elasticInOut.period = function(p) { return custom(a, p); }; -function tanh(x) { - return ((x = Math.exp(2 * x)) - 1) / (x + 1); + return elasticInOut; +})(amplitude, period); + +var defaultTiming = { + time: null, // Set on use. + delay: 0, + duration: 250, + ease: cubicInOut +}; + +function inherit(node, id) { + var timing; + while (!(timing = node.__transition) || !(timing = timing[id])) { + if (!(node = node.parentNode)) { + return defaultTiming.time = now(), defaultTiming; + } + } + return timing; } -// p0 = [ux0, uy0, w0] -// p1 = [ux1, uy1, w1] -var interpolateZoom = function(p0, p1) { - var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], - ux1 = p1[0], uy1 = p1[1], w1 = p1[2], - dx = ux1 - ux0, - dy = uy1 - uy0, - d2 = dx * dx + dy * dy, - i, - S; +var selection_transition = function(name) { + var id, + timing; - // Special case for u0 ≅ u1. - if (d2 < epsilon2) { - S = Math.log(w1 / w0) / rho; - i = function(t) { - return [ - ux0 + t * dx, - uy0 + t * dy, - w0 * Math.exp(rho * t * S) - ]; - }; + if (name instanceof Transition) { + id = name._id, name = name._name; + } else { + id = newId(), (timing = defaultTiming).time = now(), name = name == null ? null : name + ""; } - // General case. - else { - var d1 = Math.sqrt(d2), - b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), - b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), - r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), - r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); - S = (r1 - r0) / rho; - i = function(t) { - var s = t * S, - coshr0 = cosh(r0), - u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0)); - return [ - ux0 + u * dx, - uy0 + u * dy, - w0 * coshr0 / cosh(rho * s + r0) - ]; - }; + for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + schedule(node, name, id, i, group, timing || inherit(node, id)); + } + } } - i.duration = S * 1000; + return new Transition(groups, this._parents, name, id); +}; + +selection.prototype.interrupt = selection_interrupt; +selection.prototype.transition = selection_transition; + +var root$1 = [null]; - return i; -}; +var active = function(node, name) { + var schedules = node.__transition, + schedule, + i; -function hsl$1(hue$$1) { - return function(start, end) { - var h = hue$$1((start = hsl(start)).h, (end = hsl(end)).h), - s = nogamma(start.s, end.s), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.s = s(t); - start.l = l(t); - start.opacity = opacity(t); - return start + ""; - }; + if (schedules) { + name = name == null ? null : name + ""; + for (i in schedules) { + if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { + return new Transition([[node]], root$1, name, +i); + } + } } -} -var hsl$2 = hsl$1(hue); -var hslLong = hsl$1(nogamma); + return null; +}; -function lab$1(start, end) { - var l = nogamma((start = lab(start)).l, (end = lab(end)).l), - a = nogamma(start.a, end.a), - b = nogamma(start.b, end.b), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.l = l(t); - start.a = a(t); - start.b = b(t); - start.opacity = opacity(t); - return start + ""; +var constant$4 = function(x) { + return function() { + return x; }; -} +}; -function hcl$1(hue$$1) { - return function(start, end) { - var h = hue$$1((start = hcl(start)).h, (end = hcl(end)).h), - c = nogamma(start.c, end.c), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.c = c(t); - start.l = l(t); - start.opacity = opacity(t); - return start + ""; - }; - } +var BrushEvent = function(target, type, selection) { + this.target = target; + this.type = type; + this.selection = selection; +}; + +function nopropagation$1() { + exports.event.stopImmediatePropagation(); } -var hcl$2 = hcl$1(hue); -var hclLong = hcl$1(nogamma); +var noevent$1 = function() { + exports.event.preventDefault(); + exports.event.stopImmediatePropagation(); +}; -function cubehelix$1(hue$$1) { - return (function cubehelixGamma(y) { - y = +y; +var MODE_DRAG = {name: "drag"}; +var MODE_SPACE = {name: "space"}; +var MODE_HANDLE = {name: "handle"}; +var MODE_CENTER = {name: "center"}; - function cubehelix$$1(start, end) { - var h = hue$$1((start = cubehelix(start)).h, (end = cubehelix(end)).h), - s = nogamma(start.s, end.s), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.s = s(t); - start.l = l(Math.pow(t, y)); - start.opacity = opacity(t); - return start + ""; - }; - } +var X = { + name: "x", + handles: ["e", "w"].map(type), + input: function(x, e) { return x && [[x[0], e[0][1]], [x[1], e[1][1]]]; }, + output: function(xy) { return xy && [xy[0][0], xy[1][0]]; } +}; - cubehelix$$1.gamma = cubehelixGamma; +var Y = { + name: "y", + handles: ["n", "s"].map(type), + input: function(y, e) { return y && [[e[0][0], y[0]], [e[1][0], y[1]]]; }, + output: function(xy) { return xy && [xy[0][1], xy[1][1]]; } +}; - return cubehelix$$1; - })(1); -} +var XY = { + name: "xy", + handles: ["n", "e", "s", "w", "nw", "ne", "se", "sw"].map(type), + input: function(xy) { return xy; }, + output: function(xy) { return xy; } +}; -var cubehelix$2 = cubehelix$1(hue); -var cubehelixLong = cubehelix$1(nogamma); +var cursors = { + overlay: "crosshair", + selection: "move", + n: "ns-resize", + e: "ew-resize", + s: "ns-resize", + w: "ew-resize", + nw: "nwse-resize", + ne: "nesw-resize", + se: "nwse-resize", + sw: "nesw-resize" +}; -var quantize = function(interpolator, n) { - var samples = new Array(n); - for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); - return samples; +var flipX = { + e: "w", + w: "e", + nw: "ne", + ne: "nw", + se: "sw", + sw: "se" }; -var noop$1 = {value: function() {}}; +var flipY = { + n: "s", + s: "n", + nw: "sw", + ne: "se", + se: "ne", + sw: "nw" +}; -function dispatch() { - for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { - if (!(t = arguments[i] + "") || (t in _)) throw new Error("illegal type: " + t); - _[t] = []; - } - return new Dispatch(_); -} +var signsX = { + overlay: +1, + selection: +1, + n: null, + e: +1, + s: null, + w: -1, + nw: -1, + ne: +1, + se: +1, + sw: -1 +}; -function Dispatch(_) { - this._ = _; -} +var signsY = { + overlay: +1, + selection: +1, + n: -1, + e: null, + s: +1, + w: null, + nw: -1, + ne: -1, + se: +1, + sw: +1 +}; -function parseTypenames(typenames, types) { - return typenames.trim().split(/^|\s+/).map(function(t) { - var name = "", i = t.indexOf("."); - if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); - if (t && !types.hasOwnProperty(t)) throw new Error("unknown type: " + t); - return {type: t, name: name}; - }); +function type(t) { + return {type: t}; } -Dispatch.prototype = dispatch.prototype = { - constructor: Dispatch, - on: function(typename, callback) { - var _ = this._, - T = parseTypenames(typename + "", _), - t, - i = -1, - n = T.length; - - // If no callback was specified, return the callback of the given type and name. - if (arguments.length < 2) { - while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t; - return; - } +// Ignore right-click, since that should open the context menu. +function defaultFilter() { + return !exports.event.button; +} - // If a type was specified, set the callback for the given type and name. - // Otherwise, if a null callback was specified, remove callbacks of the given name. - if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback); - while (++i < n) { - if (t = (typename = T[i]).type) _[t] = set$2(_[t], typename.name, callback); - else if (callback == null) for (t in _) _[t] = set$2(_[t], typename.name, null); - } +function defaultExtent() { + var svg = this.ownerSVGElement || this; + return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]]; +} - return this; - }, - copy: function() { - var copy = {}, _ = this._; - for (var t in _) copy[t] = _[t].slice(); - return new Dispatch(copy); - }, - call: function(type, that) { - if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) args[i] = arguments[i + 2]; - if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); - for (t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); - }, - apply: function(type, that, args) { - if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); - for (var t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); - } -}; +// Like d3.local, but with the name “__brush” rather than auto-generated. +function local$$1(node) { + while (!node.__brush) if (!(node = node.parentNode)) return; + return node.__brush; +} -function get(type, name) { - for (var i = 0, n = type.length, c; i < n; ++i) { - if ((c = type[i]).name === name) { - return c.value; - } - } +function empty(extent) { + return extent[0][0] === extent[1][0] + || extent[0][1] === extent[1][1]; } -function set$2(type, name, callback) { - for (var i = 0, n = type.length; i < n; ++i) { - if (type[i].name === name) { - type[i] = noop$1, type = type.slice(0, i).concat(type.slice(i + 1)); - break; - } - } - if (callback != null) type.push({name: name, value: callback}); - return type; +function brushSelection(node) { + var state = node.__brush; + return state ? state.dim.output(state.selection) : null; } -function objectConverter(columns) { - return new Function("d", "return {" + columns.map(function(name, i) { - return JSON.stringify(name) + ": d[" + i + "]"; - }).join(",") + "}"); +function brushX() { + return brush$1(X); } -function customConverter(columns, f) { - var object = objectConverter(columns); - return function(row, i) { - return f(object(row), i, columns); - }; +function brushY() { + return brush$1(Y); } -// Compute unique columns in order of discovery. -function inferColumns(rows) { - var columnSet = Object.create(null), - columns = []; +var brush = function() { + return brush$1(XY); +}; - rows.forEach(function(row) { - for (var column in row) { - if (!(column in columnSet)) { - columns.push(columnSet[column] = column); - } - } - }); +function brush$1(dim) { + var extent = defaultExtent, + filter = defaultFilter, + listeners = dispatch(brush, "start", "brush", "end"), + handleSize = 6, + touchending; - return columns; -} + function brush(group) { + var overlay = group + .property("__brush", initialize) + .selectAll(".overlay") + .data([type("overlay")]); -var dsv = function(delimiter) { - var reFormat = new RegExp("[\"" + delimiter + "\n]"), - delimiterCode = delimiter.charCodeAt(0); + overlay.enter().append("rect") + .attr("class", "overlay") + .attr("pointer-events", "all") + .attr("cursor", cursors.overlay) + .merge(overlay) + .each(function() { + var extent = local$$1(this).extent; + select(this) + .attr("x", extent[0][0]) + .attr("y", extent[0][1]) + .attr("width", extent[1][0] - extent[0][0]) + .attr("height", extent[1][1] - extent[0][1]); + }); - function parse(text, f) { - var convert, columns, rows = parseRows(text, function(row, i) { - if (convert) return convert(row, i - 1); - columns = row, convert = f ? customConverter(row, f) : objectConverter(row); - }); - rows.columns = columns; - return rows; - } + group.selectAll(".selection") + .data([type("selection")]) + .enter().append("rect") + .attr("class", "selection") + .attr("cursor", cursors.selection) + .attr("fill", "#777") + .attr("fill-opacity", 0.3) + .attr("stroke", "#fff") + .attr("shape-rendering", "crispEdges"); - function parseRows(text, f) { - var EOL = {}, // sentinel value for end-of-line - EOF = {}, // sentinel value for end-of-file - rows = [], // output rows - N = text.length, - I = 0, // current character index - n = 0, // the current line number - t, // the current token - eol; // is the current token followed by EOL? + var handle = group.selectAll(".handle") + .data(dim.handles, function(d) { return d.type; }); - function token() { - if (I >= N) return EOF; // special case: end of file - if (eol) return eol = false, EOL; // special case: end of line + handle.exit().remove(); - // special case: quotes - var j = I, c; - if (text.charCodeAt(j) === 34) { - var i = j; - while (i++ < N) { - if (text.charCodeAt(i) === 34) { - if (text.charCodeAt(i + 1) !== 34) break; - ++i; - } - } - I = i + 2; - c = text.charCodeAt(i + 1); - if (c === 13) { - eol = true; - if (text.charCodeAt(i + 2) === 10) ++I; - } else if (c === 10) { - eol = true; - } - return text.slice(j + 1, i).replace(/""/g, "\""); - } + handle.enter().append("rect") + .attr("class", function(d) { return "handle handle--" + d.type; }) + .attr("cursor", function(d) { return cursors[d.type]; }); - // common case: find next delimiter or newline - while (I < N) { - var k = 1; - c = text.charCodeAt(I++); - if (c === 10) eol = true; // \n - else if (c === 13) { eol = true; if (text.charCodeAt(I) === 10) ++I, ++k; } // \r|\r\n - else if (c !== delimiterCode) continue; - return text.slice(j, I - k); - } + group + .each(redraw) + .attr("fill", "none") + .attr("pointer-events", "all") + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") + .on("mousedown.brush touchstart.brush", started); + } - // special case: last token before EOF - return text.slice(j); - } + brush.move = function(group, selection$$1) { + if (group.selection) { + group + .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) + .on("interrupt.brush end.brush", function() { emitter(this, arguments).end(); }) + .tween("brush", function() { + var that = this, + state = that.__brush, + emit = emitter(that, arguments), + selection0 = state.selection, + selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(this, arguments) : selection$$1, state.extent), + i = interpolateValue(selection0, selection1); - while ((t = token()) !== EOF) { - var a = []; - while (t !== EOL && t !== EOF) { - a.push(t); - t = token(); - } - if (f && (a = f(a, n++)) == null) continue; - rows.push(a); + function tween(t) { + state.selection = t === 1 && empty(selection1) ? null : i(t); + redraw.call(that); + emit.brush(); + } + + return selection0 && selection1 ? tween : tween(1); + }); + } else { + group + .each(function() { + var that = this, + args = arguments, + state = that.__brush, + selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(that, args) : selection$$1, state.extent), + emit = emitter(that, args).beforestart(); + + interrupt(that); + state.selection = selection1 == null || empty(selection1) ? null : selection1; + redraw.call(that); + emit.start().brush().end(); + }); } + }; - return rows; - } + function redraw() { + var group = select(this), + selection$$1 = local$$1(this).selection; - function format(rows, columns) { - if (columns == null) columns = inferColumns(rows); - return [columns.map(formatValue).join(delimiter)].concat(rows.map(function(row) { - return columns.map(function(column) { - return formatValue(row[column]); - }).join(delimiter); - })).join("\n"); - } + if (selection$$1) { + group.selectAll(".selection") + .style("display", null) + .attr("x", selection$$1[0][0]) + .attr("y", selection$$1[0][1]) + .attr("width", selection$$1[1][0] - selection$$1[0][0]) + .attr("height", selection$$1[1][1] - selection$$1[0][1]); - function formatRows(rows) { - return rows.map(formatRow).join("\n"); + group.selectAll(".handle") + .style("display", null) + .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection$$1[1][0] - handleSize / 2 : selection$$1[0][0] - handleSize / 2; }) + .attr("y", function(d) { return d.type[0] === "s" ? selection$$1[1][1] - handleSize / 2 : selection$$1[0][1] - handleSize / 2; }) + .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection$$1[1][0] - selection$$1[0][0] + handleSize : handleSize; }) + .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection$$1[1][1] - selection$$1[0][1] + handleSize : handleSize; }); + } + + else { + group.selectAll(".selection,.handle") + .style("display", "none") + .attr("x", null) + .attr("y", null) + .attr("width", null) + .attr("height", null); + } } - function formatRow(row) { - return row.map(formatValue).join(delimiter); + function emitter(that, args) { + return that.__brush.emitter || new Emitter(that, args); } - function formatValue(text) { - return text == null ? "" - : reFormat.test(text += "") ? "\"" + text.replace(/\"/g, "\"\"") + "\"" - : text; + function Emitter(that, args) { + this.that = that; + this.args = args; + this.state = that.__brush; + this.active = 0; } - return { - parse: parse, - parseRows: parseRows, - format: format, - formatRows: formatRows + Emitter.prototype = { + beforestart: function() { + if (++this.active === 1) this.state.emitter = this, this.starting = true; + return this; + }, + start: function() { + if (this.starting) this.starting = false, this.emit("start"); + return this; + }, + brush: function() { + this.emit("brush"); + return this; + }, + end: function() { + if (--this.active === 0) delete this.state.emitter, this.emit("end"); + return this; + }, + emit: function(type) { + customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]); + } }; -}; -var csv = dsv(","); + function started() { + if (exports.event.touches) { if (exports.event.changedTouches.length < exports.event.touches.length) return noevent$1(); } + else if (touchending) return; + if (!filter.apply(this, arguments)) return; + + var that = this, + type = exports.event.target.__data__.type, + mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE), + signX = dim === Y ? null : signsX[type], + signY = dim === X ? null : signsY[type], + state = local$$1(that), + extent = state.extent, + selection$$1 = state.selection, + W = extent[0][0], w0, w1, + N = extent[0][1], n0, n1, + E = extent[1][0], e0, e1, + S = extent[1][1], s0, s1, + dx, + dy, + moving, + shifting = signX && signY && exports.event.shiftKey, + lockX, + lockY, + point0 = mouse(that), + point = point0, + emit = emitter(that, arguments).beforestart(); + + if (type === "overlay") { + state.selection = selection$$1 = [ + [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], + [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] + ]; + } else { + w0 = selection$$1[0][0]; + n0 = selection$$1[0][1]; + e0 = selection$$1[1][0]; + s0 = selection$$1[1][1]; + } -var csvParse = csv.parse; -var csvParseRows = csv.parseRows; -var csvFormat = csv.format; -var csvFormatRows = csv.formatRows; + w1 = w0; + n1 = n0; + e1 = e0; + s1 = s0; -var tsv = dsv("\t"); + var group = select(that) + .attr("pointer-events", "none"); -var tsvParse = tsv.parse; -var tsvParseRows = tsv.parseRows; -var tsvFormat = tsv.format; -var tsvFormatRows = tsv.formatRows; + var overlay = group.selectAll(".overlay") + .attr("cursor", cursors[type]); -var request = function(url, callback) { - var request, - event = dispatch("beforesend", "progress", "load", "error"), - mimeType, - headers = map$1(), - xhr = new XMLHttpRequest, - user = null, - password = null, - response, - responseType, - timeout = 0; + if (exports.event.touches) { + group + .on("touchmove.brush", moved, true) + .on("touchend.brush touchcancel.brush", ended, true); + } else { + var view = select(exports.event.view) + .on("keydown.brush", keydowned, true) + .on("keyup.brush", keyupped, true) + .on("mousemove.brush", moved, true) + .on("mouseup.brush", ended, true); - // If IE does not support CORS, use XDomainRequest. - if (typeof XDomainRequest !== "undefined" - && !("withCredentials" in xhr) - && /^(http(s)?:)?\/\//.test(url)) xhr = new XDomainRequest; + dragDisable(exports.event.view); + } - "onload" in xhr - ? xhr.onload = xhr.onerror = xhr.ontimeout = respond - : xhr.onreadystatechange = function(o) { xhr.readyState > 3 && respond(o); }; + nopropagation$1(); + interrupt(that); + redraw.call(that); + emit.start(); - function respond(o) { - var status = xhr.status, result; - if (!status && hasResponse(xhr) - || status >= 200 && status < 300 - || status === 304) { - if (response) { - try { - result = response.call(request, xhr); - } catch (e) { - event.call("error", request, e); - return; - } - } else { - result = xhr; + function moved() { + var point1 = mouse(that); + if (shifting && !lockX && !lockY) { + if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true; + else lockX = true; } - event.call("load", request, result); - } else { - event.call("error", request, o); + point = point1; + moving = true; + noevent$1(); + move(); } - } - - xhr.onprogress = function(e) { - event.call("progress", request, e); - }; - - request = { - header: function(name, value) { - name = (name + "").toLowerCase(); - if (arguments.length < 2) return headers.get(name); - if (value == null) headers.remove(name); - else headers.set(name, value + ""); - return request; - }, - - // If mimeType is non-null and no Accept header is set, a default is used. - mimeType: function(value) { - if (!arguments.length) return mimeType; - mimeType = value == null ? null : value + ""; - return request; - }, - - // Specifies what type the response value should take; - // for instance, arraybuffer, blob, document, or text. - responseType: function(value) { - if (!arguments.length) return responseType; - responseType = value; - return request; - }, - timeout: function(value) { - if (!arguments.length) return timeout; - timeout = +value; - return request; - }, + function move() { + var t; - user: function(value) { - return arguments.length < 1 ? user : (user = value == null ? null : value + "", request); - }, + dx = point[0] - point0[0]; + dy = point[1] - point0[1]; - password: function(value) { - return arguments.length < 1 ? password : (password = value == null ? null : value + "", request); - }, + switch (mode) { + case MODE_SPACE: + case MODE_DRAG: { + if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx; + if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy; + break; + } + case MODE_HANDLE: { + if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0; + else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx; + if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0; + else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy; + break; + } + case MODE_CENTER: { + if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX)); + if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY)); + break; + } + } - // Specify how to convert the response content to a specific type; - // changes the callback value on "load" events. - response: function(value) { - response = value; - return request; - }, + if (e1 < w1) { + signX *= -1; + t = w0, w0 = e0, e0 = t; + t = w1, w1 = e1, e1 = t; + if (type in flipX) overlay.attr("cursor", cursors[type = flipX[type]]); + } - // Alias for send("GET", …). - get: function(data, callback) { - return request.send("GET", data, callback); - }, + if (s1 < n1) { + signY *= -1; + t = n0, n0 = s0, s0 = t; + t = n1, n1 = s1, s1 = t; + if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); + } - // Alias for send("POST", …). - post: function(data, callback) { - return request.send("POST", data, callback); - }, + if (state.selection) selection$$1 = state.selection; // May be set by brush.move! + if (lockX) w1 = selection$$1[0][0], e1 = selection$$1[1][0]; + if (lockY) n1 = selection$$1[0][1], s1 = selection$$1[1][1]; - // If callback is non-null, it will be used for error and load events. - send: function(method, data, callback) { - xhr.open(method, url, true, user, password); - if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*"); - if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); }); - if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType); - if (responseType != null) xhr.responseType = responseType; - if (timeout > 0) xhr.timeout = timeout; - if (callback == null && typeof data === "function") callback = data, data = null; - if (callback != null && callback.length === 1) callback = fixCallback(callback); - if (callback != null) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); }); - event.call("beforesend", request, xhr); - xhr.send(data == null ? null : data); - return request; - }, + if (selection$$1[0][0] !== w1 + || selection$$1[0][1] !== n1 + || selection$$1[1][0] !== e1 + || selection$$1[1][1] !== s1) { + state.selection = [[w1, n1], [e1, s1]]; + redraw.call(that); + emit.brush(); + } + } - abort: function() { - xhr.abort(); - return request; - }, + function ended() { + nopropagation$1(); + if (exports.event.touches) { + if (exports.event.touches.length) return; + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! + group.on("touchmove.brush touchend.brush touchcancel.brush", null); + } else { + yesdrag(exports.event.view, moving); + view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); + } + group.attr("pointer-events", "all"); + overlay.attr("cursor", cursors.overlay); + if (state.selection) selection$$1 = state.selection; // May be set by brush.move (on start)! + if (empty(selection$$1)) state.selection = null, redraw.call(that); + emit.end(); + } - on: function() { - var value = event.on.apply(event, arguments); - return value === event ? request : value; + function keydowned() { + switch (exports.event.keyCode) { + case 16: { // SHIFT + shifting = signX && signY; + break; + } + case 18: { // ALT + if (mode === MODE_HANDLE) { + if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; + if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; + mode = MODE_CENTER; + move(); + } + break; + } + case 32: { // SPACE; takes priority over ALT + if (mode === MODE_HANDLE || mode === MODE_CENTER) { + if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx; + if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy; + mode = MODE_SPACE; + overlay.attr("cursor", cursors.selection); + move(); + } + break; + } + default: return; + } + noevent$1(); } - }; - if (callback != null) { - if (typeof callback !== "function") throw new Error("invalid callback: " + callback); - return request.get(callback); + function keyupped() { + switch (exports.event.keyCode) { + case 16: { // SHIFT + if (shifting) { + lockX = lockY = shifting = false; + move(); + } + break; + } + case 18: { // ALT + if (mode === MODE_CENTER) { + if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; + if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; + mode = MODE_HANDLE; + move(); + } + break; + } + case 32: { // SPACE + if (mode === MODE_SPACE) { + if (exports.event.altKey) { + if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; + if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; + mode = MODE_CENTER; + } else { + if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; + if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; + mode = MODE_HANDLE; + } + overlay.attr("cursor", cursors[type]); + move(); + } + break; + } + default: return; + } + noevent$1(); + } } - return request; -}; + function initialize() { + var state = this.__brush || {selection: null}; + state.extent = extent.apply(this, arguments); + state.dim = dim; + return state; + } -function fixCallback(callback) { - return function(error, xhr) { - callback(error == null ? xhr : null); + brush.extent = function(_) { + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$4([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), brush) : extent; }; -} - -function hasResponse(xhr) { - var type = xhr.responseType; - return type && type !== "text" - ? xhr.response // null on error - : xhr.responseText; // "" on error -} -var type = function(defaultMimeType, response) { - return function(url, callback) { - var r = request(url).mimeType(defaultMimeType).response(response); - if (callback != null) { - if (typeof callback !== "function") throw new Error("invalid callback: " + callback); - return r.get(callback); - } - return r; + brush.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$4(!!_), brush) : filter; }; -}; - -var html = type("text/html", function(xhr) { - return document.createRange().createContextualFragment(xhr.responseText); -}); - -var json = type("application/json", function(xhr) { - return JSON.parse(xhr.responseText); -}); - -var text = type("text/plain", function(xhr) { - return xhr.responseText; -}); - -var xml = type("application/xml", function(xhr) { - var xml = xhr.responseXML; - if (!xml) throw new Error("parse error"); - return xml; -}); -var dsv$1 = function(defaultMimeType, parse) { - return function(url, row, callback) { - if (arguments.length < 3) callback = row, row = null; - var r = request(url).mimeType(defaultMimeType); - r.row = function(_) { return arguments.length ? r.response(responseOf(parse, row = _)) : row; }; - r.row(row); - return callback ? r.get(callback) : r; + brush.handleSize = function(_) { + return arguments.length ? (handleSize = +_, brush) : handleSize; }; -}; -function responseOf(parse, row) { - return function(request$$1) { - return parse(request$$1.responseText, row); + brush.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? brush : value; }; -} - -var csv$1 = dsv$1("text/csv", csvParse); - -var tsv$1 = dsv$1("text/tab-separated-values", tsvParse); - -var frame = 0; -var timeout = 0; -var interval = 0; -var pokeDelay = 1000; -var taskHead; -var taskTail; -var clockLast = 0; -var clockNow = 0; -var clockSkew = 0; -var clock = typeof performance === "object" && performance.now ? performance : Date; -var setFrame = typeof requestAnimationFrame === "function" ? requestAnimationFrame : function(f) { setTimeout(f, 17); }; - -function now() { - return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew); -} - -function clearNow() { - clockNow = 0; -} - -function Timer() { - this._call = - this._time = - this._next = null; -} - -Timer.prototype = timer.prototype = { - constructor: Timer, - restart: function(callback, delay, time) { - if (typeof callback !== "function") throw new TypeError("callback is not a function"); - time = (time == null ? now() : +time) + (delay == null ? 0 : +delay); - if (!this._next && taskTail !== this) { - if (taskTail) taskTail._next = this; - else taskHead = this; - taskTail = this; - } - this._call = callback; - this._time = time; - sleep(); - }, - stop: function() { - if (this._call) { - this._call = null; - this._time = Infinity; - sleep(); - } - } -}; -function timer(callback, delay, time) { - var t = new Timer; - t.restart(callback, delay, time); - return t; + return brush; } -function timerFlush() { - now(); // Get the current time, if not already set. - ++frame; // Pretend we’ve set an alarm, if we haven’t already. - var t = taskHead, e; - while (t) { - if ((e = clockNow - t._time) >= 0) t._call.call(null, e); - t = t._next; - } - --frame; -} +var cos = Math.cos; +var sin = Math.sin; +var pi$1 = Math.PI; +var halfPi$1 = pi$1 / 2; +var tau$1 = pi$1 * 2; +var max$1 = Math.max; -function wake() { - clockNow = (clockLast = clock.now()) + clockSkew; - frame = timeout = 0; - try { - timerFlush(); - } finally { - frame = 0; - nap(); - clockNow = 0; - } +function compareValue(compare) { + return function(a, b) { + return compare( + a.source.value + a.target.value, + b.source.value + b.target.value + ); + }; } -function poke$1() { - var now = clock.now(), delay = now - clockLast; - if (delay > pokeDelay) clockSkew -= delay, clockLast = now; -} +var chord = function() { + var padAngle = 0, + sortGroups = null, + sortSubgroups = null, + sortChords = null; -function nap() { - var t0, t1 = taskHead, t2, time = Infinity; - while (t1) { - if (t1._call) { - if (time > t1._time) time = t1._time; - t0 = t1, t1 = t1._next; - } else { - t2 = t1._next, t1._next = null; - t1 = t0 ? t0._next = t2 : taskHead = t2; - } - } - taskTail = t0; - sleep(time); -} + function chord(matrix) { + var n = matrix.length, + groupSums = [], + groupIndex = sequence(n), + subgroupIndex = [], + chords = [], + groups = chords.groups = new Array(n), + subgroups = new Array(n * n), + k, + x, + x0, + dx, + i, + j; -function sleep(time) { - if (frame) return; // Soonest alarm already set, or will be. - if (timeout) timeout = clearTimeout(timeout); - var delay = time - clockNow; - if (delay > 24) { - if (time < Infinity) timeout = setTimeout(wake, delay); - if (interval) interval = clearInterval(interval); - } else { - if (!interval) interval = setInterval(poke$1, pokeDelay); - frame = 1, setFrame(wake); - } -} + // Compute the sum. + k = 0, i = -1; while (++i < n) { + x = 0, j = -1; while (++j < n) { + x += matrix[i][j]; + } + groupSums.push(x); + subgroupIndex.push(sequence(n)); + k += x; + } -var timeout$1 = function(callback, delay, time) { - var t = new Timer; - delay = delay == null ? 0 : +delay; - t.restart(function(elapsed) { - t.stop(); - callback(elapsed + delay); - }, delay, time); - return t; -}; + // Sort groups… + if (sortGroups) groupIndex.sort(function(a, b) { + return sortGroups(groupSums[a], groupSums[b]); + }); -var interval$1 = function(callback, delay, time) { - var t = new Timer, total = delay; - if (delay == null) return t.restart(callback, delay, time), t; - delay = +delay, time = time == null ? now() : +time; - t.restart(function tick(elapsed) { - elapsed += total; - t.restart(tick, total += delay, time); - callback(elapsed); - }, delay, time); - return t; -}; + // Sort subgroups… + if (sortSubgroups) subgroupIndex.forEach(function(d, i) { + d.sort(function(a, b) { + return sortSubgroups(matrix[i][a], matrix[i][b]); + }); + }); -var t0$1 = new Date; -var t1$1 = new Date; + // Convert the sum to scaling factor for [0, 2pi]. + // TODO Allow start and end angle to be specified? + // TODO Allow padding to be specified as percentage? + k = max$1(0, tau$1 - padAngle * n) / k; + dx = k ? padAngle : tau$1 / n; -function newInterval(floori, offseti, count, field) { + // Compute the start and end angle for each group and subgroup. + // Note: Opera has a bug reordering object literal properties! + x = 0, i = -1; while (++i < n) { + x0 = x, j = -1; while (++j < n) { + var di = groupIndex[i], + dj = subgroupIndex[di][j], + v = matrix[di][dj], + a0 = x, + a1 = x += v * k; + subgroups[dj * n + di] = { + index: di, + subindex: dj, + startAngle: a0, + endAngle: a1, + value: v + }; + } + groups[di] = { + index: di, + startAngle: x0, + endAngle: x, + value: groupSums[di] + }; + x += dx; + } - function interval(date) { - return floori(date = new Date(+date)), date; - } + // Generate chords for each (non-empty) subgroup-subgroup link. + i = -1; while (++i < n) { + j = i - 1; while (++j < n) { + var source = subgroups[j * n + i], + target = subgroups[i * n + j]; + if (source.value || target.value) { + chords.push(source.value < target.value + ? {source: target, target: source} + : {source: source, target: target}); + } + } + } - interval.floor = interval; + return sortChords ? chords.sort(sortChords) : chords; + } - interval.ceil = function(date) { - return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; + chord.padAngle = function(_) { + return arguments.length ? (padAngle = max$1(0, _), chord) : padAngle; }; - interval.round = function(date) { - var d0 = interval(date), - d1 = interval.ceil(date); - return date - d0 < d1 - date ? d0 : d1; + chord.sortGroups = function(_) { + return arguments.length ? (sortGroups = _, chord) : sortGroups; }; - interval.offset = function(date, step) { - return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; + chord.sortSubgroups = function(_) { + return arguments.length ? (sortSubgroups = _, chord) : sortSubgroups; }; - interval.range = function(start, stop, step) { - var range = []; - start = interval.ceil(start); - step = step == null ? 1 : Math.floor(step); - if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date - do range.push(new Date(+start)); while (offseti(start, step), floori(start), start < stop) - return range; + chord.sortChords = function(_) { + return arguments.length ? (_ == null ? sortChords = null : (sortChords = compareValue(_))._ = _, chord) : sortChords && sortChords._; }; - interval.filter = function(test) { - return newInterval(function(date) { - if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1); - }, function(date, step) { - if (date >= date) while (--step >= 0) while (offseti(date, 1), !test(date)) {} // eslint-disable-line no-empty - }); + return chord; +}; + +var slice$2 = Array.prototype.slice; + +var constant$5 = function(x) { + return function() { + return x; }; +}; - if (count) { - interval.count = function(start, end) { - t0$1.setTime(+start), t1$1.setTime(+end); - floori(t0$1), floori(t1$1); - return Math.floor(count(t0$1, t1$1)); - }; +var pi$2 = Math.PI; +var tau$2 = 2 * pi$2; +var epsilon$1 = 1e-6; +var tauEpsilon = tau$2 - epsilon$1; - interval.every = function(step) { - step = Math.floor(step); - return !isFinite(step) || !(step > 0) ? null - : !(step > 1) ? interval - : interval.filter(field - ? function(d) { return field(d) % step === 0; } - : function(d) { return interval.count(0, d) % step === 0; }); - }; - } +function Path() { + this._x0 = this._y0 = // start of current subpath + this._x1 = this._y1 = null; // end of current subpath + this._ = ""; +} - return interval; +function path() { + return new Path; } -var millisecond = newInterval(function() { - // noop -}, function(date, step) { - date.setTime(+date + step); -}, function(start, end) { - return end - start; -}); +Path.prototype = path.prototype = { + constructor: Path, + moveTo: function(x, y) { + this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y); + }, + closePath: function() { + if (this._x1 !== null) { + this._x1 = this._x0, this._y1 = this._y0; + this._ += "Z"; + } + }, + lineTo: function(x, y) { + this._ += "L" + (this._x1 = +x) + "," + (this._y1 = +y); + }, + quadraticCurveTo: function(x1, y1, x, y) { + this._ += "Q" + (+x1) + "," + (+y1) + "," + (this._x1 = +x) + "," + (this._y1 = +y); + }, + bezierCurveTo: function(x1, y1, x2, y2, x, y) { + this._ += "C" + (+x1) + "," + (+y1) + "," + (+x2) + "," + (+y2) + "," + (this._x1 = +x) + "," + (this._y1 = +y); + }, + arcTo: function(x1, y1, x2, y2, r) { + x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r; + var x0 = this._x1, + y0 = this._y1, + x21 = x2 - x1, + y21 = y2 - y1, + x01 = x0 - x1, + y01 = y0 - y1, + l01_2 = x01 * x01 + y01 * y01; -// An optimized implementation for this simple case. -millisecond.every = function(k) { - k = Math.floor(k); - if (!isFinite(k) || !(k > 0)) return null; - if (!(k > 1)) return millisecond; - return newInterval(function(date) { - date.setTime(Math.floor(date / k) * k); - }, function(date, step) { - date.setTime(+date + step * k); - }, function(start, end) { - return (end - start) / k; - }); -}; + // Is the radius negative? Error. + if (r < 0) throw new Error("negative radius: " + r); -var milliseconds = millisecond.range; + // Is this path empty? Move to (x1,y1). + if (this._x1 === null) { + this._ += "M" + (this._x1 = x1) + "," + (this._y1 = y1); + } -var durationSecond = 1e3; -var durationMinute = 6e4; -var durationHour = 36e5; -var durationDay = 864e5; -var durationWeek = 6048e5; + // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. + else if (!(l01_2 > epsilon$1)) {} -var second = newInterval(function(date) { - date.setTime(Math.floor(date / durationSecond) * durationSecond); -}, function(date, step) { - date.setTime(+date + step * durationSecond); -}, function(start, end) { - return (end - start) / durationSecond; -}, function(date) { - return date.getUTCSeconds(); -}); + // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? + // Equivalently, is (x1,y1) coincident with (x2,y2)? + // Or, is the radius zero? Line to (x1,y1). + else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon$1) || !r) { + this._ += "L" + (this._x1 = x1) + "," + (this._y1 = y1); + } -var seconds = second.range; + // Otherwise, draw an arc! + else { + var x20 = x2 - x0, + y20 = y2 - y0, + l21_2 = x21 * x21 + y21 * y21, + l20_2 = x20 * x20 + y20 * y20, + l21 = Math.sqrt(l21_2), + l01 = Math.sqrt(l01_2), + l = r * Math.tan((pi$2 - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2), + t01 = l / l01, + t21 = l / l21; -var minute = newInterval(function(date) { - date.setTime(Math.floor(date / durationMinute) * durationMinute); -}, function(date, step) { - date.setTime(+date + step * durationMinute); -}, function(start, end) { - return (end - start) / durationMinute; -}, function(date) { - return date.getMinutes(); -}); + // If the start tangent is not coincident with (x0,y0), line to. + if (Math.abs(t01 - 1) > epsilon$1) { + this._ += "L" + (x1 + t01 * x01) + "," + (y1 + t01 * y01); + } -var minutes = minute.range; + this._ += "A" + r + "," + r + ",0,0," + (+(y01 * x20 > x01 * y20)) + "," + (this._x1 = x1 + t21 * x21) + "," + (this._y1 = y1 + t21 * y21); + } + }, + arc: function(x, y, r, a0, a1, ccw) { + x = +x, y = +y, r = +r; + var dx = r * Math.cos(a0), + dy = r * Math.sin(a0), + x0 = x + dx, + y0 = y + dy, + cw = 1 ^ ccw, + da = ccw ? a0 - a1 : a1 - a0; -var hour = newInterval(function(date) { - var offset = date.getTimezoneOffset() * durationMinute % durationHour; - if (offset < 0) offset += durationHour; - date.setTime(Math.floor((+date - offset) / durationHour) * durationHour + offset); -}, function(date, step) { - date.setTime(+date + step * durationHour); -}, function(start, end) { - return (end - start) / durationHour; -}, function(date) { - return date.getHours(); -}); + // Is the radius negative? Error. + if (r < 0) throw new Error("negative radius: " + r); + + // Is this path empty? Move to (x0,y0). + if (this._x1 === null) { + this._ += "M" + x0 + "," + y0; + } -var hours = hour.range; + // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). + else if (Math.abs(this._x1 - x0) > epsilon$1 || Math.abs(this._y1 - y0) > epsilon$1) { + this._ += "L" + x0 + "," + y0; + } -var day = newInterval(function(date) { - date.setHours(0, 0, 0, 0); -}, function(date, step) { - date.setDate(date.getDate() + step); -}, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay; -}, function(date) { - return date.getDate() - 1; -}); + // Is this arc empty? We’re done. + if (!r) return; -var days = day.range; + // Is this a complete circle? Draw two arcs to complete the circle. + if (da > tauEpsilon) { + this._ += "A" + r + "," + r + ",0,1," + cw + "," + (x - dx) + "," + (y - dy) + "A" + r + "," + r + ",0,1," + cw + "," + (this._x1 = x0) + "," + (this._y1 = y0); + } -function weekday(i) { - return newInterval(function(date) { - date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setDate(date.getDate() + step * 7); - }, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; - }); -} + // Otherwise, draw an arc! + else { + if (da < 0) da = da % tau$2 + tau$2; + this._ += "A" + r + "," + r + ",0," + (+(da >= pi$2)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1)); + } + }, + rect: function(x, y, w, h) { + this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y) + "h" + (+w) + "v" + (+h) + "h" + (-w) + "Z"; + }, + toString: function() { + return this._; + } +}; -var sunday = weekday(0); -var monday = weekday(1); -var tuesday = weekday(2); -var wednesday = weekday(3); -var thursday = weekday(4); -var friday = weekday(5); -var saturday = weekday(6); +function defaultSource(d) { + return d.source; +} -var sundays = sunday.range; -var mondays = monday.range; -var tuesdays = tuesday.range; -var wednesdays = wednesday.range; -var thursdays = thursday.range; -var fridays = friday.range; -var saturdays = saturday.range; +function defaultTarget(d) { + return d.target; +} -var month = newInterval(function(date) { - date.setDate(1); - date.setHours(0, 0, 0, 0); -}, function(date, step) { - date.setMonth(date.getMonth() + step); -}, function(start, end) { - return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; -}, function(date) { - return date.getMonth(); -}); +function defaultRadius(d) { + return d.radius; +} -var months = month.range; +function defaultStartAngle(d) { + return d.startAngle; +} -var year = newInterval(function(date) { - date.setMonth(0, 1); - date.setHours(0, 0, 0, 0); -}, function(date, step) { - date.setFullYear(date.getFullYear() + step); -}, function(start, end) { - return end.getFullYear() - start.getFullYear(); -}, function(date) { - return date.getFullYear(); -}); +function defaultEndAngle(d) { + return d.endAngle; +} -// An optimized implementation for this simple case. -year.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { - date.setFullYear(Math.floor(date.getFullYear() / k) * k); - date.setMonth(0, 1); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setFullYear(date.getFullYear() + step * k); - }); -}; +var ribbon = function() { + var source = defaultSource, + target = defaultTarget, + radius = defaultRadius, + startAngle = defaultStartAngle, + endAngle = defaultEndAngle, + context = null; -var years = year.range; + function ribbon() { + var buffer, + argv = slice$2.call(arguments), + s = source.apply(this, argv), + t = target.apply(this, argv), + sr = +radius.apply(this, (argv[0] = s, argv)), + sa0 = startAngle.apply(this, argv) - halfPi$1, + sa1 = endAngle.apply(this, argv) - halfPi$1, + sx0 = sr * cos(sa0), + sy0 = sr * sin(sa0), + tr = +radius.apply(this, (argv[0] = t, argv)), + ta0 = startAngle.apply(this, argv) - halfPi$1, + ta1 = endAngle.apply(this, argv) - halfPi$1; -var utcMinute = newInterval(function(date) { - date.setUTCSeconds(0, 0); -}, function(date, step) { - date.setTime(+date + step * durationMinute); -}, function(start, end) { - return (end - start) / durationMinute; -}, function(date) { - return date.getUTCMinutes(); -}); + if (!context) context = buffer = path(); -var utcMinutes = utcMinute.range; + context.moveTo(sx0, sy0); + context.arc(0, 0, sr, sa0, sa1); + if (sa0 !== ta0 || sa1 !== ta1) { // TODO sr !== tr? + context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0)); + context.arc(0, 0, tr, ta0, ta1); + } + context.quadraticCurveTo(0, 0, sx0, sy0); + context.closePath(); -var utcHour = newInterval(function(date) { - date.setUTCMinutes(0, 0, 0); -}, function(date, step) { - date.setTime(+date + step * durationHour); -}, function(start, end) { - return (end - start) / durationHour; -}, function(date) { - return date.getUTCHours(); -}); + if (buffer) return context = null, buffer + "" || null; + } -var utcHours = utcHour.range; + ribbon.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$5(+_), ribbon) : radius; + }; -var utcDay = newInterval(function(date) { - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCDate(date.getUTCDate() + step); -}, function(start, end) { - return (end - start) / durationDay; -}, function(date) { - return date.getUTCDate() - 1; -}); + ribbon.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$5(+_), ribbon) : startAngle; + }; -var utcDays = utcDay.range; + ribbon.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$5(+_), ribbon) : endAngle; + }; -function utcWeekday(i) { - return newInterval(function(date) { - date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCDate(date.getUTCDate() + step * 7); - }, function(start, end) { - return (end - start) / durationWeek; - }); -} + ribbon.source = function(_) { + return arguments.length ? (source = _, ribbon) : source; + }; -var utcSunday = utcWeekday(0); -var utcMonday = utcWeekday(1); -var utcTuesday = utcWeekday(2); -var utcWednesday = utcWeekday(3); -var utcThursday = utcWeekday(4); -var utcFriday = utcWeekday(5); -var utcSaturday = utcWeekday(6); + ribbon.target = function(_) { + return arguments.length ? (target = _, ribbon) : target; + }; -var utcSundays = utcSunday.range; -var utcMondays = utcMonday.range; -var utcTuesdays = utcTuesday.range; -var utcWednesdays = utcWednesday.range; -var utcThursdays = utcThursday.range; -var utcFridays = utcFriday.range; -var utcSaturdays = utcSaturday.range; + ribbon.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), ribbon) : context; + }; -var utcMonth = newInterval(function(date) { - date.setUTCDate(1); - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCMonth(date.getUTCMonth() + step); -}, function(start, end) { - return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; -}, function(date) { - return date.getUTCMonth(); -}); + return ribbon; +}; -var utcMonths = utcMonth.range; +var prefix = "$"; -var utcYear = newInterval(function(date) { - date.setUTCMonth(0, 1); - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCFullYear(date.getUTCFullYear() + step); -}, function(start, end) { - return end.getUTCFullYear() - start.getUTCFullYear(); -}, function(date) { - return date.getUTCFullYear(); -}); +function Map() {} -// An optimized implementation for this simple case. -utcYear.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { - date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); - date.setUTCMonth(0, 1); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCFullYear(date.getUTCFullYear() + step * k); - }); +Map.prototype = map$1.prototype = { + constructor: Map, + has: function(key) { + return (prefix + key) in this; + }, + get: function(key) { + return this[prefix + key]; + }, + set: function(key, value) { + this[prefix + key] = value; + return this; + }, + remove: function(key) { + var property = prefix + key; + return property in this && delete this[property]; + }, + clear: function() { + for (var property in this) if (property[0] === prefix) delete this[property]; + }, + keys: function() { + var keys = []; + for (var property in this) if (property[0] === prefix) keys.push(property.slice(1)); + return keys; + }, + values: function() { + var values = []; + for (var property in this) if (property[0] === prefix) values.push(this[property]); + return values; + }, + entries: function() { + var entries = []; + for (var property in this) if (property[0] === prefix) entries.push({key: property.slice(1), value: this[property]}); + return entries; + }, + size: function() { + var size = 0; + for (var property in this) if (property[0] === prefix) ++size; + return size; + }, + empty: function() { + for (var property in this) if (property[0] === prefix) return false; + return true; + }, + each: function(f) { + for (var property in this) if (property[0] === prefix) f(this[property], property.slice(1), this); + } }; -var utcYears = utcYear.range; +function map$1(object, f) { + var map = new Map; -// Computes the decimal coefficient and exponent of the specified number x with -// significant digits p, where x is positive and p is in [1, 21] or undefined. -// For example, formatDecimal(1.23) returns ["123", 0]. -var formatDecimal = function(x, p) { - if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity - var i, coefficient = x.slice(0, i); + // Copy constructor. + if (object instanceof Map) object.each(function(value, key) { map.set(key, value); }); - // The string returned by toExponential either has the form \d\.\d+e[-+]\d+ - // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3). - return [ - coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, - +x.slice(i + 1) - ]; -}; + // Index array by numeric index or specified key function. + else if (Array.isArray(object)) { + var i = -1, + n = object.length, + o; -var exponent$1 = function(x) { - return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; -}; + if (f == null) while (++i < n) map.set(i, object[i]); + else while (++i < n) map.set(f(o = object[i], i, object), o); + } -var formatGroup = function(grouping, thousands) { - return function(value, width) { - var i = value.length, - t = [], - j = 0, - g = grouping[0], - length = 0; + // Convert object to map. + else if (object) for (var key in object) map.set(key, object[key]); - while (i > 0 && g > 0) { - if (length + g + 1 > width) g = Math.max(1, width - length); - t.push(value.substring(i -= g, i + g)); - if ((length += g + 1) > width) break; - g = grouping[j = (j + 1) % grouping.length]; - } + return map; +} - return t.reverse().join(thousands); - }; -}; +var nest = function() { + var keys = [], + sortKeys = [], + sortValues, + rollup, + nest; -var formatDefault = function(x, p) { - x = x.toPrecision(p); + function apply(array, depth, createResult, setResult) { + if (depth >= keys.length) return rollup != null + ? rollup(array) : (sortValues != null + ? array.sort(sortValues) + : array); - out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) { - switch (x[i]) { - case ".": i0 = i1 = i; break; - case "0": if (i0 === 0) i0 = i; i1 = i; break; - case "e": break out; - default: if (i0 > 0) i0 = 0; break; - } - } + var i = -1, + n = array.length, + key = keys[depth++], + keyValue, + value, + valuesByKey = map$1(), + values, + result = createResult(); - return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x; -}; + while (++i < n) { + if (values = valuesByKey.get(keyValue = key(value = array[i]) + "")) { + values.push(value); + } else { + valuesByKey.set(keyValue, [value]); + } + } -var prefixExponent; + valuesByKey.each(function(values, key) { + setResult(result, key, apply(values, depth, createResult, setResult)); + }); -var formatPrefixAuto = function(x, p) { - var d = formatDecimal(x, p); - if (!d) return x + ""; - var coefficient = d[0], - exponent = d[1], - i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, - n = coefficient.length; - return i === n ? coefficient - : i > n ? coefficient + new Array(i - n + 1).join("0") - : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) - : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y! -}; + return result; + } -var formatRounded = function(x, p) { - var d = formatDecimal(x, p); - if (!d) return x + ""; - var coefficient = d[0], - exponent = d[1]; - return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient - : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) - : coefficient + new Array(exponent - coefficient.length + 2).join("0"); -}; + function entries(map, depth) { + if (++depth > keys.length) return map; + var array, sortKey = sortKeys[depth - 1]; + if (rollup != null && depth >= keys.length) array = map.entries(); + else array = [], map.each(function(v, k) { array.push({key: k, values: entries(v, depth)}); }); + return sortKey != null ? array.sort(function(a, b) { return sortKey(a.key, b.key); }) : array; + } -var formatTypes = { - "": formatDefault, - "%": function(x, p) { return (x * 100).toFixed(p); }, - "b": function(x) { return Math.round(x).toString(2); }, - "c": function(x) { return x + ""; }, - "d": function(x) { return Math.round(x).toString(10); }, - "e": function(x, p) { return x.toExponential(p); }, - "f": function(x, p) { return x.toFixed(p); }, - "g": function(x, p) { return x.toPrecision(p); }, - "o": function(x) { return Math.round(x).toString(8); }, - "p": function(x, p) { return formatRounded(x * 100, p); }, - "r": formatRounded, - "s": formatPrefixAuto, - "X": function(x) { return Math.round(x).toString(16).toUpperCase(); }, - "x": function(x) { return Math.round(x).toString(16); } + return nest = { + object: function(array) { return apply(array, 0, createObject, setObject); }, + map: function(array) { return apply(array, 0, createMap, setMap); }, + entries: function(array) { return entries(apply(array, 0, createMap, setMap), 0); }, + key: function(d) { keys.push(d); return nest; }, + sortKeys: function(order) { sortKeys[keys.length - 1] = order; return nest; }, + sortValues: function(order) { sortValues = order; return nest; }, + rollup: function(f) { rollup = f; return nest; } + }; }; -// [[fill]align][sign][symbol][0][width][,][.precision][type] -var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i; +function createObject() { + return {}; +} -var formatSpecifier = function(specifier) { - return new FormatSpecifier(specifier); -}; +function setObject(object, key, value) { + object[key] = value; +} -function FormatSpecifier(specifier) { - if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); +function createMap() { + return map$1(); +} - var match, - fill = match[1] || " ", - align = match[2] || ">", - sign = match[3] || "-", - symbol = match[4] || "", - zero = !!match[5], - width = match[6] && +match[6], - comma = !!match[7], - precision = match[8] && +match[8].slice(1), - type = match[9] || ""; +function setMap(map, key, value) { + map.set(key, value); +} - // The "n" type is an alias for ",g". - if (type === "n") comma = true, type = "g"; +function Set() {} - // Map invalid types to the default format. - else if (!formatTypes[type]) type = ""; +var proto = map$1.prototype; - // If zero fill is specified, padding goes after sign and before digits. - if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; +Set.prototype = set$2.prototype = { + constructor: Set, + has: proto.has, + add: function(value) { + value += ""; + this[prefix + value] = value; + return this; + }, + remove: proto.remove, + clear: proto.clear, + values: proto.keys, + size: proto.size, + empty: proto.empty, + each: proto.each +}; - this.fill = fill; - this.align = align; - this.sign = sign; - this.symbol = symbol; - this.zero = zero; - this.width = width; - this.comma = comma; - this.precision = precision; - this.type = type; -} +function set$2(object, f) { + var set = new Set; -FormatSpecifier.prototype.toString = function() { - return this.fill - + this.align - + this.sign - + this.symbol - + (this.zero ? "0" : "") - + (this.width == null ? "" : Math.max(1, this.width | 0)) - + (this.comma ? "," : "") - + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0)) - + this.type; -}; + // Copy constructor. + if (object instanceof Set) object.each(function(value) { set.add(value); }); -var prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; + // Otherwise, assume it’s an array. + else if (object) { + var i = -1, n = object.length; + if (f == null) while (++i < n) set.add(object[i]); + else while (++i < n) set.add(f(object[i], i, object)); + } -function identity$3(x) { - return x; + return set; } -var formatLocale = function(locale) { - var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, - currency = locale.currency, - decimal = locale.decimal; +var keys = function(map) { + var keys = []; + for (var key in map) keys.push(key); + return keys; +}; - function newFormat(specifier) { - specifier = formatSpecifier(specifier); +var values = function(map) { + var values = []; + for (var key in map) values.push(map[key]); + return values; +}; - var fill = specifier.fill, - align = specifier.align, - sign = specifier.sign, - symbol = specifier.symbol, - zero = specifier.zero, - width = specifier.width, - comma = specifier.comma, - precision = specifier.precision, - type = specifier.type; +var entries = function(map) { + var entries = []; + for (var key in map) entries.push({key: key, value: map[key]}); + return entries; +}; - // Compute the prefix and suffix. - // For SI-prefix, the suffix is lazily computed. - var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", - suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? "%" : ""; +function objectConverter(columns) { + return new Function("d", "return {" + columns.map(function(name, i) { + return JSON.stringify(name) + ": d[" + i + "]"; + }).join(",") + "}"); +} - // What format function should we use? - // Is this an integer type? - // Can this type generate exponential notation? - var formatType = formatTypes[type], - maybeSuffix = !type || /[defgprs%]/.test(type); +function customConverter(columns, f) { + var object = objectConverter(columns); + return function(row, i) { + return f(object(row), i, columns); + }; +} - // Set the default precision if not specified, - // or clamp the specified precision to the supported range. - // For significant precision, it must be in [1, 21]. - // For fixed precision, it must be in [0, 20]. - precision = precision == null ? (type ? 6 : 12) - : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) - : Math.max(0, Math.min(20, precision)); +// Compute unique columns in order of discovery. +function inferColumns(rows) { + var columnSet = Object.create(null), + columns = []; - function format(value) { - var valuePrefix = prefix, - valueSuffix = suffix, - i, n, c; + rows.forEach(function(row) { + for (var column in row) { + if (!(column in columnSet)) { + columns.push(columnSet[column] = column); + } + } + }); - if (type === "c") { - valueSuffix = formatType(value) + valueSuffix; - value = ""; - } else { - value = +value; + return columns; +} - // Convert negative to positive, and compute the prefix. - // Note that -0 is not less than 0, but 1 / -0 is! - var valueNegative = (value < 0 || 1 / value < 0) && (value *= -1, true); +var dsv = function(delimiter) { + var reFormat = new RegExp("[\"" + delimiter + "\n]"), + delimiterCode = delimiter.charCodeAt(0); - // Perform the initial formatting. - value = formatType(value, precision); + function parse(text, f) { + var convert, columns, rows = parseRows(text, function(row, i) { + if (convert) return convert(row, i - 1); + columns = row, convert = f ? customConverter(row, f) : objectConverter(row); + }); + rows.columns = columns; + return rows; + } - // If the original value was negative, it may be rounded to zero during - // formatting; treat this as (positive) zero. - if (valueNegative) { - i = -1, n = value.length; - valueNegative = false; - while (++i < n) { - if (c = value.charCodeAt(i), (48 < c && c < 58) - || (type === "x" && 96 < c && c < 103) - || (type === "X" && 64 < c && c < 71)) { - valueNegative = true; - break; - } - } - } + function parseRows(text, f) { + var EOL = {}, // sentinel value for end-of-line + EOF = {}, // sentinel value for end-of-file + rows = [], // output rows + N = text.length, + I = 0, // current character index + n = 0, // the current line number + t, // the current token + eol; // is the current token followed by EOL? - // Compute the prefix and suffix. - valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; - valueSuffix = valueSuffix + (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + (valueNegative && sign === "(" ? ")" : ""); + function token() { + if (I >= N) return EOF; // special case: end of file + if (eol) return eol = false, EOL; // special case: end of line - // Break the formatted value into the integer “value” part that can be - // grouped, and fractional or exponential “suffix” part that is not. - if (maybeSuffix) { - i = -1, n = value.length; - while (++i < n) { - if (c = value.charCodeAt(i), 48 > c || c > 57) { - valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix; - value = value.slice(0, i); - break; - } + // special case: quotes + var j = I, c; + if (text.charCodeAt(j) === 34) { + var i = j; + while (i++ < N) { + if (text.charCodeAt(i) === 34) { + if (text.charCodeAt(i + 1) !== 34) break; + ++i; } } + I = i + 2; + c = text.charCodeAt(i + 1); + if (c === 13) { + eol = true; + if (text.charCodeAt(i + 2) === 10) ++I; + } else if (c === 10) { + eol = true; + } + return text.slice(j + 1, i).replace(/""/g, "\""); } - // If the fill character is not "0", grouping is applied before padding. - if (comma && !zero) value = group(value, Infinity); - - // Compute the padding. - var length = valuePrefix.length + value.length + valueSuffix.length, - padding = length < width ? new Array(width - length + 1).join(fill) : ""; + // common case: find next delimiter or newline + while (I < N) { + var k = 1; + c = text.charCodeAt(I++); + if (c === 10) eol = true; // \n + else if (c === 13) { eol = true; if (text.charCodeAt(I) === 10) ++I, ++k; } // \r|\r\n + else if (c !== delimiterCode) continue; + return text.slice(j, I - k); + } - // If the fill character is "0", grouping is applied after padding. - if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; + // special case: last token before EOF + return text.slice(j); + } - // Reconstruct the final output based on the desired alignment. - switch (align) { - case "<": return valuePrefix + value + valueSuffix + padding; - case "=": return valuePrefix + padding + value + valueSuffix; - case "^": return padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); + while ((t = token()) !== EOF) { + var a = []; + while (t !== EOL && t !== EOF) { + a.push(t); + t = token(); } - return padding + valuePrefix + value + valueSuffix; + if (f && (a = f(a, n++)) == null) continue; + rows.push(a); } - format.toString = function() { - return specifier + ""; - }; + return rows; + } - return format; + function format(rows, columns) { + if (columns == null) columns = inferColumns(rows); + return [columns.map(formatValue).join(delimiter)].concat(rows.map(function(row) { + return columns.map(function(column) { + return formatValue(row[column]); + }).join(delimiter); + })).join("\n"); } - function formatPrefix(specifier, value) { - var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), - e = Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3, - k = Math.pow(10, -e), - prefix = prefixes[8 + e / 3]; - return function(value) { - return f(k * value) + prefix; - }; + function formatRows(rows) { + return rows.map(formatRow).join("\n"); + } + + function formatRow(row) { + return row.map(formatValue).join(delimiter); + } + + function formatValue(text) { + return text == null ? "" + : reFormat.test(text += "") ? "\"" + text.replace(/\"/g, "\"\"") + "\"" + : text; } return { - format: newFormat, - formatPrefix: formatPrefix + parse: parse, + parseRows: parseRows, + format: format, + formatRows: formatRows }; }; -var locale$1; +var csv = dsv(","); +var csvParse = csv.parse; +var csvParseRows = csv.parseRows; +var csvFormat = csv.format; +var csvFormatRows = csv.formatRows; +var tsv = dsv("\t"); -defaultLocale({ - decimal: ".", - thousands: ",", - grouping: [3], - currency: ["$", ""] -}); +var tsvParse = tsv.parse; +var tsvParseRows = tsv.parseRows; +var tsvFormat = tsv.format; +var tsvFormatRows = tsv.formatRows; -function defaultLocale(definition) { - locale$1 = formatLocale(definition); - exports.format = locale$1.format; - exports.formatPrefix = locale$1.formatPrefix; - return locale$1; -} +var center$1 = function(x, y) { + var nodes; -var precisionFixed = function(step) { - return Math.max(0, -exponent$1(Math.abs(step))); + if (x == null) x = 0; + if (y == null) y = 0; + + function force() { + var i, + n = nodes.length, + node, + sx = 0, + sy = 0; + + for (i = 0; i < n; ++i) { + node = nodes[i], sx += node.x, sy += node.y; + } + + for (sx = sx / n - x, sy = sy / n - y, i = 0; i < n; ++i) { + node = nodes[i], node.x -= sx, node.y -= sy; + } + } + + force.initialize = function(_) { + nodes = _; + }; + + force.x = function(_) { + return arguments.length ? (x = +_, force) : x; + }; + + force.y = function(_) { + return arguments.length ? (y = +_, force) : y; + }; + + return force; +}; + +var constant$6 = function(x) { + return function() { + return x; + }; }; -var precisionPrefix = function(step, value) { - return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step))); +var jiggle = function() { + return (Math.random() - 0.5) * 1e-6; }; -var precisionRound = function(step, max) { - step = Math.abs(step), max = Math.abs(max) - step; - return Math.max(0, exponent$1(max) - exponent$1(step)) + 1; +var tree_add = function(d) { + var x = +this._x.call(null, d), + y = +this._y.call(null, d); + return add(this.cover(x, y), x, y, d); }; -function localDate(d) { - if (0 <= d.y && d.y < 100) { - var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); - date.setFullYear(d.y); - return date; - } - return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L); -} +function add(tree, x, y, d) { + if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points -function utcDate(d) { - if (0 <= d.y && d.y < 100) { - var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L)); - date.setUTCFullYear(d.y); - return date; + var parent, + node = tree._root, + leaf = {data: d}, + x0 = tree._x0, + y0 = tree._y0, + x1 = tree._x1, + y1 = tree._y1, + xm, + ym, + xp, + yp, + right, + bottom, + i, + j; + + // If the tree is empty, initialize the root as a leaf. + if (!node) return tree._root = leaf, tree; + + // Find the existing leaf for the new point, or add it. + while (node.length) { + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree; } - return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); -} -function newYear(y) { - return {y: y, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0}; + // Is the new point is exactly coincident with the existing point? + xp = +tree._x.call(null, node.data); + yp = +tree._y.call(null, node.data); + if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree; + + // Otherwise, split the leaf node until the old and new point are separated. + do { + parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4); + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm))); + return parent[j] = node, parent[i] = leaf, tree; } -function formatLocale$1(locale) { - var locale_dateTime = locale.dateTime, - locale_date = locale.date, - locale_time = locale.time, - locale_periods = locale.periods, - locale_weekdays = locale.days, - locale_shortWeekdays = locale.shortDays, - locale_months = locale.months, - locale_shortMonths = locale.shortMonths; +function addAll(data) { + var d, i, n = data.length, + x, + y, + xz = new Array(n), + yz = new Array(n), + x0 = Infinity, + y0 = Infinity, + x1 = -Infinity, + y1 = -Infinity; - var periodRe = formatRe(locale_periods), - periodLookup = formatLookup(locale_periods), - weekdayRe = formatRe(locale_weekdays), - weekdayLookup = formatLookup(locale_weekdays), - shortWeekdayRe = formatRe(locale_shortWeekdays), - shortWeekdayLookup = formatLookup(locale_shortWeekdays), - monthRe = formatRe(locale_months), - monthLookup = formatLookup(locale_months), - shortMonthRe = formatRe(locale_shortMonths), - shortMonthLookup = formatLookup(locale_shortMonths); + // Compute the points and their extent. + for (i = 0; i < n; ++i) { + if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue; + xz[i] = x; + yz[i] = y; + if (x < x0) x0 = x; + if (x > x1) x1 = x; + if (y < y0) y0 = y; + if (y > y1) y1 = y; + } - var formats = { - "a": formatShortWeekday, - "A": formatWeekday, - "b": formatShortMonth, - "B": formatMonth, - "c": null, - "d": formatDayOfMonth, - "e": formatDayOfMonth, - "H": formatHour24, - "I": formatHour12, - "j": formatDayOfYear, - "L": formatMilliseconds, - "m": formatMonthNumber, - "M": formatMinutes, - "p": formatPeriod, - "S": formatSeconds, - "U": formatWeekNumberSunday, - "w": formatWeekdayNumber, - "W": formatWeekNumberMonday, - "x": null, - "X": null, - "y": formatYear, - "Y": formatFullYear, - "Z": formatZone, - "%": formatLiteralPercent - }; + // If there were no (valid) points, inherit the existing extent. + if (x1 < x0) x0 = this._x0, x1 = this._x1; + if (y1 < y0) y0 = this._y0, y1 = this._y1; - var utcFormats = { - "a": formatUTCShortWeekday, - "A": formatUTCWeekday, - "b": formatUTCShortMonth, - "B": formatUTCMonth, - "c": null, - "d": formatUTCDayOfMonth, - "e": formatUTCDayOfMonth, - "H": formatUTCHour24, - "I": formatUTCHour12, - "j": formatUTCDayOfYear, - "L": formatUTCMilliseconds, - "m": formatUTCMonthNumber, - "M": formatUTCMinutes, - "p": formatUTCPeriod, - "S": formatUTCSeconds, - "U": formatUTCWeekNumberSunday, - "w": formatUTCWeekdayNumber, - "W": formatUTCWeekNumberMonday, - "x": null, - "X": null, - "y": formatUTCYear, - "Y": formatUTCFullYear, - "Z": formatUTCZone, - "%": formatLiteralPercent - }; + // Expand the tree to cover the new points. + this.cover(x0, y0).cover(x1, y1); - var parses = { - "a": parseShortWeekday, - "A": parseWeekday, - "b": parseShortMonth, - "B": parseMonth, - "c": parseLocaleDateTime, - "d": parseDayOfMonth, - "e": parseDayOfMonth, - "H": parseHour24, - "I": parseHour24, - "j": parseDayOfYear, - "L": parseMilliseconds, - "m": parseMonthNumber, - "M": parseMinutes, - "p": parsePeriod, - "S": parseSeconds, - "U": parseWeekNumberSunday, - "w": parseWeekdayNumber, - "W": parseWeekNumberMonday, - "x": parseLocaleDate, - "X": parseLocaleTime, - "y": parseYear, - "Y": parseFullYear, - "Z": parseZone, - "%": parseLiteralPercent - }; + // Add the new points. + for (i = 0; i < n; ++i) { + add(this, xz[i], yz[i], data[i]); + } - // These recursive directive definitions must be deferred. - formats.x = newFormat(locale_date, formats); - formats.X = newFormat(locale_time, formats); - formats.c = newFormat(locale_dateTime, formats); - utcFormats.x = newFormat(locale_date, utcFormats); - utcFormats.X = newFormat(locale_time, utcFormats); - utcFormats.c = newFormat(locale_dateTime, utcFormats); + return this; +} - function newFormat(specifier, formats) { - return function(date) { - var string = [], - i = -1, - j = 0, - n = specifier.length, - c, - pad, - format; +var tree_cover = function(x, y) { + if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points - if (!(date instanceof Date)) date = new Date(+date); + var x0 = this._x0, + y0 = this._y0, + x1 = this._x1, + y1 = this._y1; - while (++i < n) { - if (specifier.charCodeAt(i) === 37) { - string.push(specifier.slice(j, i)); - if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i); - else pad = c === "e" ? " " : "0"; - if (format = formats[c]) c = format(date, pad); - string.push(c); - j = i + 1; - } + // If the quadtree has no extent, initialize them. + // Integer extent are necessary so that if we later double the extent, + // the existing quadrant boundaries don’t change due to floating point error! + if (isNaN(x0)) { + x1 = (x0 = Math.floor(x)) + 1; + y1 = (y0 = Math.floor(y)) + 1; + } + + // Otherwise, double repeatedly to cover. + else if (x0 > x || x > x1 || y0 > y || y > y1) { + var z = x1 - x0, + node = this._root, + parent, + i; + + switch (i = (y < (y0 + y1) / 2) << 1 | (x < (x0 + x1) / 2)) { + case 0: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x1 = x0 + z, y1 = y0 + z, x > x1 || y > y1); + break; + } + case 1: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x0 = x1 - z, y1 = y0 + z, x0 > x || y > y1); + break; + } + case 2: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x1 = x0 + z, y0 = y1 - z, x > x1 || y0 > y); + break; } + case 3: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x0 = x1 - z, y0 = y1 - z, x0 > x || y0 > y); + break; + } + } - string.push(specifier.slice(j, i)); - return string.join(""); - }; + if (this._root && this._root.length) this._root = node; } - function newParse(specifier, newDate) { - return function(string) { - var d = newYear(1900), - i = parseSpecifier(d, specifier, string += "", 0); - if (i != string.length) return null; + // If the quadtree covers the point already, just return. + else return this; - // The am-pm flag is 0 for AM, and 1 for PM. - if ("p" in d) d.H = d.H % 12 + d.p * 12; + this._x0 = x0; + this._y0 = y0; + this._x1 = x1; + this._y1 = y1; + return this; +}; - // Convert day-of-week and week-of-year to day-of-year. - if ("W" in d || "U" in d) { - if (!("w" in d)) d.w = "W" in d ? 1 : 0; - var day$$1 = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay(); - d.m = 0; - d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$$1 + 5) % 7 : d.w + d.U * 7 - (day$$1 + 6) % 7; - } +var tree_data = function() { + var data = []; + this.visit(function(node) { + if (!node.length) do data.push(node.data); while (node = node.next) + }); + return data; +}; - // If a time zone is specified, all fields are interpreted as UTC and then - // offset according to the specified time zone. - if ("Z" in d) { - d.H += d.Z / 100 | 0; - d.M += d.Z % 100; - return utcDate(d); - } +var tree_extent = function(_) { + return arguments.length + ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) + : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; +}; - // Otherwise, all fields are in local time. - return newDate(d); - }; +var Quad = function(node, x0, y0, x1, y1) { + this.node = node; + this.x0 = x0; + this.y0 = y0; + this.x1 = x1; + this.y1 = y1; +}; + +var tree_find = function(x, y, radius) { + var data, + x0 = this._x0, + y0 = this._y0, + x1, + y1, + x2, + y2, + x3 = this._x1, + y3 = this._y1, + quads = [], + node = this._root, + q, + i; + + if (node) quads.push(new Quad(node, x0, y0, x3, y3)); + if (radius == null) radius = Infinity; + else { + x0 = x - radius, y0 = y - radius; + x3 = x + radius, y3 = y + radius; + radius *= radius; } - function parseSpecifier(d, specifier, string, j) { - var i = 0, - n = specifier.length, - m = string.length, - c, - parse; + while (q = quads.pop()) { - while (i < n) { - if (j >= m) return -1; - c = specifier.charCodeAt(i++); - if (c === 37) { - c = specifier.charAt(i++); - parse = parses[c in pads ? specifier.charAt(i++) : c]; - if (!parse || ((j = parse(d, string, j)) < 0)) return -1; - } else if (c != string.charCodeAt(j++)) { - return -1; + // Stop searching if this quadrant can’t contain a closer node. + if (!(node = q.node) + || (x1 = q.x0) > x3 + || (y1 = q.y0) > y3 + || (x2 = q.x1) < x0 + || (y2 = q.y1) < y0) continue; + + // Bisect the current quadrant. + if (node.length) { + var xm = (x1 + x2) / 2, + ym = (y1 + y2) / 2; + + quads.push( + new Quad(node[3], xm, ym, x2, y2), + new Quad(node[2], x1, ym, xm, y2), + new Quad(node[1], xm, y1, x2, ym), + new Quad(node[0], x1, y1, xm, ym) + ); + + // Visit the closest quadrant first. + if (i = (y >= ym) << 1 | (x >= xm)) { + q = quads[quads.length - 1]; + quads[quads.length - 1] = quads[quads.length - 1 - i]; + quads[quads.length - 1 - i] = q; } } - return j; - } - - function parsePeriod(d, string, i) { - var n = periodRe.exec(string.slice(i)); - return n ? (d.p = periodLookup[n[0].toLowerCase()], i + n[0].length) : -1; + // Visit this point. (Visiting coincident points isn’t necessary!) + else { + var dx = x - +this._x.call(null, node.data), + dy = y - +this._y.call(null, node.data), + d2 = dx * dx + dy * dy; + if (d2 < radius) { + var d = Math.sqrt(radius = d2); + x0 = x - d, y0 = y - d; + x3 = x + d, y3 = y + d; + data = node.data; + } + } } - function parseShortWeekday(d, string, i) { - var n = shortWeekdayRe.exec(string.slice(i)); - return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + return data; +}; - function parseWeekday(d, string, i) { - var n = weekdayRe.exec(string.slice(i)); - return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } +var tree_remove = function(d) { + if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points - function parseShortMonth(d, string, i) { - var n = shortMonthRe.exec(string.slice(i)); - return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + var parent, + node = this._root, + retainer, + previous, + next, + x0 = this._x0, + y0 = this._y0, + x1 = this._x1, + y1 = this._y1, + x, + y, + xm, + ym, + right, + bottom, + i, + j; - function parseMonth(d, string, i) { - var n = monthRe.exec(string.slice(i)); - return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + // If the tree is empty, initialize the root as a leaf. + if (!node) return this; - function parseLocaleDateTime(d, string, i) { - return parseSpecifier(d, locale_dateTime, string, i); + // Find the leaf node for the point. + // While descending, also retain the deepest parent with a non-removed sibling. + if (node.length) while (true) { + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + if (!(parent = node, node = node[i = bottom << 1 | right])) return this; + if (!node.length) break; + if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i; } - function parseLocaleDate(d, string, i) { - return parseSpecifier(d, locale_date, string, i); - } + // Find the point to remove. + while (node.data !== d) if (!(previous = node, node = node.next)) return this; + if (next = node.next) delete node.next; - function parseLocaleTime(d, string, i) { - return parseSpecifier(d, locale_time, string, i); - } + // If there are multiple coincident points, remove just the point. + if (previous) return (next ? previous.next = next : delete previous.next), this; - function formatShortWeekday(d) { - return locale_shortWeekdays[d.getDay()]; - } + // If this is the root point, remove it. + if (!parent) return this._root = next, this; - function formatWeekday(d) { - return locale_weekdays[d.getDay()]; - } + // Remove this leaf. + next ? parent[i] = next : delete parent[i]; - function formatShortMonth(d) { - return locale_shortMonths[d.getMonth()]; + // If the parent now contains exactly one leaf, collapse superfluous parents. + if ((node = parent[0] || parent[1] || parent[2] || parent[3]) + && node === (parent[3] || parent[2] || parent[1] || parent[0]) + && !node.length) { + if (retainer) retainer[j] = node; + else this._root = node; } - function formatMonth(d) { - return locale_months[d.getMonth()]; - } + return this; +}; - function formatPeriod(d) { - return locale_periods[+(d.getHours() >= 12)]; - } +function removeAll(data) { + for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); + return this; +} - function formatUTCShortWeekday(d) { - return locale_shortWeekdays[d.getUTCDay()]; - } +var tree_root = function() { + return this._root; +}; - function formatUTCWeekday(d) { - return locale_weekdays[d.getUTCDay()]; - } +var tree_size = function() { + var size = 0; + this.visit(function(node) { + if (!node.length) do ++size; while (node = node.next) + }); + return size; +}; - function formatUTCShortMonth(d) { - return locale_shortMonths[d.getUTCMonth()]; +var tree_visit = function(callback) { + var quads = [], q, node = this._root, child, x0, y0, x1, y1; + if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); + while (q = quads.pop()) { + if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) { + var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; + if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); + if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); + if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); + if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); + } } + return this; +}; - function formatUTCMonth(d) { - return locale_months[d.getUTCMonth()]; +var tree_visitAfter = function(callback) { + var quads = [], next = [], q; + if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); + while (q = quads.pop()) { + var node = q.node; + if (node.length) { + var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; + if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); + if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); + if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); + if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); + } + next.push(q); } - - function formatUTCPeriod(d) { - return locale_periods[+(d.getUTCHours() >= 12)]; + while (q = next.pop()) { + callback(q.node, q.x0, q.y0, q.x1, q.y1); } + return this; +}; - return { - format: function(specifier) { - var f = newFormat(specifier += "", formats); - f.toString = function() { return specifier; }; - return f; - }, - parse: function(specifier) { - var p = newParse(specifier += "", localDate); - p.toString = function() { return specifier; }; - return p; - }, - utcFormat: function(specifier) { - var f = newFormat(specifier += "", utcFormats); - f.toString = function() { return specifier; }; - return f; - }, - utcParse: function(specifier) { - var p = newParse(specifier, utcDate); - p.toString = function() { return specifier; }; - return p; - } - }; -} - -var pads = {"-": "", "_": " ", "0": "0"}; -var numberRe = /^\s*\d+/; -var percentRe = /^%/; -var requoteRe = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; - -function pad(value, fill, width) { - var sign = value < 0 ? "-" : "", - string = (sign ? -value : value) + "", - length = string.length; - return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); +function defaultX(d) { + return d[0]; } -function requote(s) { - return s.replace(requoteRe, "\\$&"); -} +var tree_x = function(_) { + return arguments.length ? (this._x = _, this) : this._x; +}; -function formatRe(names) { - return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i"); +function defaultY(d) { + return d[1]; } -function formatLookup(names) { - var map = {}, i = -1, n = names.length; - while (++i < n) map[names[i].toLowerCase()] = i; - return map; -} +var tree_y = function(_) { + return arguments.length ? (this._y = _, this) : this._y; +}; -function parseWeekdayNumber(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 1)); - return n ? (d.w = +n[0], i + n[0].length) : -1; +function quadtree(nodes, x, y) { + var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); + return nodes == null ? tree : tree.addAll(nodes); } -function parseWeekNumberSunday(d, string, i) { - var n = numberRe.exec(string.slice(i)); - return n ? (d.U = +n[0], i + n[0].length) : -1; +function Quadtree(x, y, x0, y0, x1, y1) { + this._x = x; + this._y = y; + this._x0 = x0; + this._y0 = y0; + this._x1 = x1; + this._y1 = y1; + this._root = undefined; } -function parseWeekNumberMonday(d, string, i) { - var n = numberRe.exec(string.slice(i)); - return n ? (d.W = +n[0], i + n[0].length) : -1; +function leaf_copy(leaf) { + var copy = {data: leaf.data}, next = copy; + while (leaf = leaf.next) next = next.next = {data: leaf.data}; + return copy; } -function parseFullYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 4)); - return n ? (d.y = +n[0], i + n[0].length) : -1; -} +var treeProto = quadtree.prototype = Quadtree.prototype; -function parseYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1; -} +treeProto.copy = function() { + var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), + node = this._root, + nodes, + child; -function parseZone(d, string, i) { - var n = /^(Z)|([+-]\d\d)(?:\:?(\d\d))?/.exec(string.slice(i, i + 6)); - return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; -} + if (!node) return copy; -function parseMonthNumber(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.m = n[0] - 1, i + n[0].length) : -1; -} + if (!node.length) return copy._root = leaf_copy(node), copy; -function parseDayOfMonth(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.d = +n[0], i + n[0].length) : -1; -} + nodes = [{source: node, target: copy._root = new Array(4)}]; + while (node = nodes.pop()) { + for (var i = 0; i < 4; ++i) { + if (child = node.source[i]) { + if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)}); + else node.target[i] = leaf_copy(child); + } + } + } -function parseDayOfYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 3)); - return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1; -} + return copy; +}; -function parseHour24(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.H = +n[0], i + n[0].length) : -1; -} +treeProto.add = tree_add; +treeProto.addAll = addAll; +treeProto.cover = tree_cover; +treeProto.data = tree_data; +treeProto.extent = tree_extent; +treeProto.find = tree_find; +treeProto.remove = tree_remove; +treeProto.removeAll = removeAll; +treeProto.root = tree_root; +treeProto.size = tree_size; +treeProto.visit = tree_visit; +treeProto.visitAfter = tree_visitAfter; +treeProto.x = tree_x; +treeProto.y = tree_y; -function parseMinutes(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.M = +n[0], i + n[0].length) : -1; +function x(d) { + return d.x + d.vx; } -function parseSeconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.S = +n[0], i + n[0].length) : -1; +function y(d) { + return d.y + d.vy; } -function parseMilliseconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 3)); - return n ? (d.L = +n[0], i + n[0].length) : -1; -} +var collide = function(radius) { + var nodes, + radii, + strength = 1, + iterations = 1; -function parseLiteralPercent(d, string, i) { - var n = percentRe.exec(string.slice(i, i + 1)); - return n ? i + n[0].length : -1; -} + if (typeof radius !== "function") radius = constant$6(radius == null ? 1 : +radius); -function formatDayOfMonth(d, p) { - return pad(d.getDate(), p, 2); -} + function force() { + var i, n = nodes.length, + tree, + node, + xi, + yi, + ri, + ri2; -function formatHour24(d, p) { - return pad(d.getHours(), p, 2); -} + for (var k = 0; k < iterations; ++k) { + tree = quadtree(nodes, x, y).visitAfter(prepare); + for (i = 0; i < n; ++i) { + node = nodes[i]; + ri = radii[node.index], ri2 = ri * ri; + xi = node.x + node.vx; + yi = node.y + node.vy; + tree.visit(apply); + } + } -function formatHour12(d, p) { - return pad(d.getHours() % 12 || 12, p, 2); -} + function apply(quad, x0, y0, x1, y1) { + var data = quad.data, rj = quad.r, r = ri + rj; + if (data) { + if (data.index > node.index) { + var x = xi - data.x - data.vx, + y = yi - data.y - data.vy, + l = x * x + y * y; + if (l < r * r) { + if (x === 0) x = jiggle(), l += x * x; + if (y === 0) y = jiggle(), l += y * y; + l = (r - (l = Math.sqrt(l))) / l * strength; + node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj)); + node.vy += (y *= l) * r; + data.vx -= x * (r = 1 - r); + data.vy -= y * r; + } + } + return; + } + return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r; + } + } -function formatDayOfYear(d, p) { - return pad(1 + day.count(year(d), d), p, 3); -} + function prepare(quad) { + if (quad.data) return quad.r = radii[quad.data.index]; + for (var i = quad.r = 0; i < 4; ++i) { + if (quad[i] && quad[i].r > quad.r) { + quad.r = quad[i].r; + } + } + } -function formatMilliseconds(d, p) { - return pad(d.getMilliseconds(), p, 3); -} + function initialize() { + if (!nodes) return; + var i, n = nodes.length, node; + radii = new Array(n); + for (i = 0; i < n; ++i) node = nodes[i], radii[node.index] = +radius(node, i, nodes); + } -function formatMonthNumber(d, p) { - return pad(d.getMonth() + 1, p, 2); -} + force.initialize = function(_) { + nodes = _; + initialize(); + }; -function formatMinutes(d, p) { - return pad(d.getMinutes(), p, 2); -} + force.iterations = function(_) { + return arguments.length ? (iterations = +_, force) : iterations; + }; -function formatSeconds(d, p) { - return pad(d.getSeconds(), p, 2); -} + force.strength = function(_) { + return arguments.length ? (strength = +_, force) : strength; + }; -function formatWeekNumberSunday(d, p) { - return pad(sunday.count(year(d), d), p, 2); -} + force.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : radius; + }; -function formatWeekdayNumber(d) { - return d.getDay(); -} + return force; +}; -function formatWeekNumberMonday(d, p) { - return pad(monday.count(year(d), d), p, 2); +function index(d) { + return d.index; } -function formatYear(d, p) { - return pad(d.getFullYear() % 100, p, 2); +function find(nodeById, nodeId) { + var node = nodeById.get(nodeId); + if (!node) throw new Error("missing: " + nodeId); + return node; } -function formatFullYear(d, p) { - return pad(d.getFullYear() % 10000, p, 4); -} +var link = function(links) { + var id = index, + strength = defaultStrength, + strengths, + distance = constant$6(30), + distances, + nodes, + count, + bias, + iterations = 1; -function formatZone(d) { - var z = d.getTimezoneOffset(); - return (z > 0 ? "-" : (z *= -1, "+")) - + pad(z / 60 | 0, "0", 2) - + pad(z % 60, "0", 2); -} + if (links == null) links = []; -function formatUTCDayOfMonth(d, p) { - return pad(d.getUTCDate(), p, 2); -} + function defaultStrength(link) { + return 1 / Math.min(count[link.source.index], count[link.target.index]); + } -function formatUTCHour24(d, p) { - return pad(d.getUTCHours(), p, 2); -} + function force(alpha) { + for (var k = 0, n = links.length; k < iterations; ++k) { + for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) { + link = links[i], source = link.source, target = link.target; + x = target.x + target.vx - source.x - source.vx || jiggle(); + y = target.y + target.vy - source.y - source.vy || jiggle(); + l = Math.sqrt(x * x + y * y); + l = (l - distances[i]) / l * alpha * strengths[i]; + x *= l, y *= l; + target.vx -= x * (b = bias[i]); + target.vy -= y * b; + source.vx += x * (b = 1 - b); + source.vy += y * b; + } + } + } -function formatUTCHour12(d, p) { - return pad(d.getUTCHours() % 12 || 12, p, 2); -} + function initialize() { + if (!nodes) return; -function formatUTCDayOfYear(d, p) { - return pad(1 + utcDay.count(utcYear(d), d), p, 3); -} + var i, + n = nodes.length, + m = links.length, + nodeById = map$1(nodes, id), + link; -function formatUTCMilliseconds(d, p) { - return pad(d.getUTCMilliseconds(), p, 3); -} + for (i = 0, count = new Array(n); i < m; ++i) { + link = links[i], link.index = i; + if (typeof link.source !== "object") link.source = find(nodeById, link.source); + if (typeof link.target !== "object") link.target = find(nodeById, link.target); + count[link.source.index] = (count[link.source.index] || 0) + 1; + count[link.target.index] = (count[link.target.index] || 0) + 1; + } -function formatUTCMonthNumber(d, p) { - return pad(d.getUTCMonth() + 1, p, 2); -} + for (i = 0, bias = new Array(m); i < m; ++i) { + link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]); + } -function formatUTCMinutes(d, p) { - return pad(d.getUTCMinutes(), p, 2); -} + strengths = new Array(m), initializeStrength(); + distances = new Array(m), initializeDistance(); + } -function formatUTCSeconds(d, p) { - return pad(d.getUTCSeconds(), p, 2); -} + function initializeStrength() { + if (!nodes) return; -function formatUTCWeekNumberSunday(d, p) { - return pad(utcSunday.count(utcYear(d), d), p, 2); -} + for (var i = 0, n = links.length; i < n; ++i) { + strengths[i] = +strength(links[i], i, links); + } + } -function formatUTCWeekdayNumber(d) { - return d.getUTCDay(); -} + function initializeDistance() { + if (!nodes) return; -function formatUTCWeekNumberMonday(d, p) { - return pad(utcMonday.count(utcYear(d), d), p, 2); -} + for (var i = 0, n = links.length; i < n; ++i) { + distances[i] = +distance(links[i], i, links); + } + } -function formatUTCYear(d, p) { - return pad(d.getUTCFullYear() % 100, p, 2); -} + force.initialize = function(_) { + nodes = _; + initialize(); + }; -function formatUTCFullYear(d, p) { - return pad(d.getUTCFullYear() % 10000, p, 4); -} + force.links = function(_) { + return arguments.length ? (links = _, initialize(), force) : links; + }; -function formatUTCZone() { - return "+0000"; -} + force.id = function(_) { + return arguments.length ? (id = _, force) : id; + }; -function formatLiteralPercent() { - return "%"; -} + force.iterations = function(_) { + return arguments.length ? (iterations = +_, force) : iterations; + }; -var locale$2; + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initializeStrength(), force) : strength; + }; + force.distance = function(_) { + return arguments.length ? (distance = typeof _ === "function" ? _ : constant$6(+_), initializeDistance(), force) : distance; + }; + return force; +}; +function x$1(d) { + return d.x; +} +function y$1(d) { + return d.y; +} -defaultLocale$1({ - dateTime: "%x, %X", - date: "%-m/%-d/%Y", - time: "%-I:%M:%S %p", - periods: ["AM", "PM"], - days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], - shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], - months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], - shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"] -}); +var initialRadius = 10; +var initialAngle = Math.PI * (3 - Math.sqrt(5)); -function defaultLocale$1(definition) { - locale$2 = formatLocale$1(definition); - exports.timeFormat = locale$2.format; - exports.timeParse = locale$2.parse; - exports.utcFormat = locale$2.utcFormat; - exports.utcParse = locale$2.utcParse; - return locale$2; -} +var simulation = function(nodes) { + var simulation, + alpha = 1, + alphaMin = 0.001, + alphaDecay = 1 - Math.pow(alphaMin, 1 / 300), + alphaTarget = 0, + velocityDecay = 0.6, + forces = map$1(), + stepper = timer(step), + event = dispatch("tick", "end"); -var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; + if (nodes == null) nodes = []; -function formatIsoNative(date) { - return date.toISOString(); -} + function step() { + tick(); + event.call("tick", simulation); + if (alpha < alphaMin) { + stepper.stop(); + event.call("end", simulation); + } + } -var formatIso = Date.prototype.toISOString - ? formatIsoNative - : exports.utcFormat(isoSpecifier); + function tick() { + var i, n = nodes.length, node; -function parseIsoNative(string) { - var date = new Date(string); - return isNaN(date) ? null : date; -} + alpha += (alphaTarget - alpha) * alphaDecay; -var parseIso = +new Date("2000-01-01T00:00:00.000Z") - ? parseIsoNative - : exports.utcParse(isoSpecifier); + forces.each(function(force) { + force(alpha); + }); -var array$2 = Array.prototype; + for (i = 0; i < n; ++i) { + node = nodes[i]; + if (node.fx == null) node.x += node.vx *= velocityDecay; + else node.x = node.fx, node.vx = 0; + if (node.fy == null) node.y += node.vy *= velocityDecay; + else node.y = node.fy, node.vy = 0; + } + } + + function initializeNodes() { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.index = i; + if (isNaN(node.x) || isNaN(node.y)) { + var radius = initialRadius * Math.sqrt(i), angle = i * initialAngle; + node.x = radius * Math.cos(angle); + node.y = radius * Math.sin(angle); + } + if (isNaN(node.vx) || isNaN(node.vy)) { + node.vx = node.vy = 0; + } + } + } -var map$3 = array$2.map; -var slice$3 = array$2.slice; + function initializeForce(force) { + if (force.initialize) force.initialize(nodes); + return force; + } -var implicit = {name: "implicit"}; + initializeNodes(); -function ordinal(range) { - var index = map$1(), - domain = [], - unknown = implicit; + return simulation = { + tick: tick, - range = range == null ? [] : slice$3.call(range); + restart: function() { + return stepper.restart(step), simulation; + }, - function scale(d) { - var key = d + "", i = index.get(key); - if (!i) { - if (unknown !== implicit) return unknown; - index.set(key, i = domain.push(d)); - } - return range[(i - 1) % range.length]; - } + stop: function() { + return stepper.stop(), simulation; + }, - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = [], index = map$1(); - var i = -1, n = _.length, d, key; - while (++i < n) if (!index.has(key = (d = _[i]) + "")) index.set(key, domain.push(d)); - return scale; - }; + nodes: function(_) { + return arguments.length ? (nodes = _, initializeNodes(), forces.each(initializeForce), simulation) : nodes; + }, - scale.range = function(_) { - return arguments.length ? (range = slice$3.call(_), scale) : range.slice(); - }; + alpha: function(_) { + return arguments.length ? (alpha = +_, simulation) : alpha; + }, - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; + alphaMin: function(_) { + return arguments.length ? (alphaMin = +_, simulation) : alphaMin; + }, - scale.copy = function() { - return ordinal() - .domain(domain) - .range(range) - .unknown(unknown); - }; + alphaDecay: function(_) { + return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay; + }, - return scale; -} + alphaTarget: function(_) { + return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget; + }, -function band() { - var scale = ordinal().unknown(undefined), - domain = scale.domain, - ordinalRange = scale.range, - range$$1 = [0, 1], - step, - bandwidth, - round = false, - paddingInner = 0, - paddingOuter = 0, - align = 0.5; + velocityDecay: function(_) { + return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay; + }, - delete scale.unknown; + force: function(name, _) { + return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); + }, - function rescale() { - var n = domain().length, - reverse = range$$1[1] < range$$1[0], - start = range$$1[reverse - 0], - stop = range$$1[1 - reverse]; - step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); - if (round) step = Math.floor(step); - start += (stop - start - step * (n - paddingInner)) * align; - bandwidth = step * (1 - paddingInner); - if (round) start = Math.round(start), bandwidth = Math.round(bandwidth); - var values = range(n).map(function(i) { return start + step * i; }); - return ordinalRange(reverse ? values.reverse() : values); - } + find: function(x, y, radius) { + var i = 0, + n = nodes.length, + dx, + dy, + d2, + node, + closest; - scale.domain = function(_) { - return arguments.length ? (domain(_), rescale()) : domain(); - }; + if (radius == null) radius = Infinity; + else radius *= radius; - scale.range = function(_) { - return arguments.length ? (range$$1 = [+_[0], +_[1]], rescale()) : range$$1.slice(); - }; + for (i = 0; i < n; ++i) { + node = nodes[i]; + dx = x - node.x; + dy = y - node.y; + d2 = dx * dx + dy * dy; + if (d2 < radius) closest = node, radius = d2; + } - scale.rangeRound = function(_) { - return range$$1 = [+_[0], +_[1]], round = true, rescale(); - }; + return closest; + }, - scale.bandwidth = function() { - return bandwidth; + on: function(name, _) { + return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); + } }; +}; - scale.step = function() { - return step; - }; +var manyBody = function() { + var nodes, + node, + alpha, + strength = constant$6(-30), + strengths, + distanceMin2 = 1, + distanceMax2 = Infinity, + theta2 = 0.81; - scale.round = function(_) { - return arguments.length ? (round = !!_, rescale()) : round; - }; + function force(_) { + var i, n = nodes.length, tree = quadtree(nodes, x$1, y$1).visitAfter(accumulate); + for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); + } - scale.padding = function(_) { - return arguments.length ? (paddingInner = paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; - }; + function initialize() { + if (!nodes) return; + var i, n = nodes.length, node; + strengths = new Array(n); + for (i = 0; i < n; ++i) node = nodes[i], strengths[node.index] = +strength(node, i, nodes); + } - scale.paddingInner = function(_) { - return arguments.length ? (paddingInner = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; - }; + function accumulate(quad) { + var strength = 0, q, c, x$$1, y$$1, i; - scale.paddingOuter = function(_) { - return arguments.length ? (paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingOuter; - }; + // For internal nodes, accumulate forces from child quadrants. + if (quad.length) { + for (x$$1 = y$$1 = i = 0; i < 4; ++i) { + if ((q = quad[i]) && (c = q.value)) { + strength += c, x$$1 += c * q.x, y$$1 += c * q.y; + } + } + quad.x = x$$1 / strength; + quad.y = y$$1 / strength; + } - scale.align = function(_) { - return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align; - }; + // For leaf nodes, accumulate forces from coincident quadrants. + else { + q = quad; + q.x = q.data.x; + q.y = q.data.y; + do strength += strengths[q.data.index]; + while (q = q.next); + } - scale.copy = function() { - return band() - .domain(domain()) - .range(range$$1) - .round(round) - .paddingInner(paddingInner) - .paddingOuter(paddingOuter) - .align(align); - }; + quad.value = strength; + } - return rescale(); -} + function apply(quad, x1, _, x2) { + if (!quad.value) return true; -function pointish(scale) { - var copy = scale.copy; + var x$$1 = quad.x - node.x, + y$$1 = quad.y - node.y, + w = x2 - x1, + l = x$$1 * x$$1 + y$$1 * y$$1; - scale.padding = scale.paddingOuter; - delete scale.paddingInner; - delete scale.paddingOuter; + // Apply the Barnes-Hut approximation if possible. + // Limit forces for very close nodes; randomize direction if coincident. + if (w * w / theta2 < l) { + if (l < distanceMax2) { + if (x$$1 === 0) x$$1 = jiggle(), l += x$$1 * x$$1; + if (y$$1 === 0) y$$1 = jiggle(), l += y$$1 * y$$1; + if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); + node.vx += x$$1 * quad.value * alpha / l; + node.vy += y$$1 * quad.value * alpha / l; + } + return true; + } - scale.copy = function() { - return pointish(copy()); - }; + // Otherwise, process points directly. + else if (quad.length || l >= distanceMax2) return; - return scale; -} + // Limit forces for very close nodes; randomize direction if coincident. + if (quad.data !== node || quad.next) { + if (x$$1 === 0) x$$1 = jiggle(), l += x$$1 * x$$1; + if (y$$1 === 0) y$$1 = jiggle(), l += y$$1 * y$$1; + if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); + } -function point$4() { - return pointish(band().paddingInner(1)); -} + do if (quad.data !== node) { + w = strengths[quad.data.index] * alpha / l; + node.vx += x$$1 * w; + node.vy += y$$1 * w; + } while (quad = quad.next); + } -var constant$4 = function(x) { - return function() { - return x; + force.initialize = function(_) { + nodes = _; + initialize(); }; -}; - -var number$1 = function(x) { - return +x; -}; -var unit = [0, 1]; + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + }; -function deinterpolateLinear(a, b) { - return (b -= (a = +a)) - ? function(x) { return (x - a) / b; } - : constant$4(b); -} + force.distanceMin = function(_) { + return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2); + }; -function deinterpolateClamp(deinterpolate) { - return function(a, b) { - var d = deinterpolate(a = +a, b = +b); - return function(x) { return x <= a ? 0 : x >= b ? 1 : d(x); }; + force.distanceMax = function(_) { + return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2); }; -} -function reinterpolateClamp(reinterpolate) { - return function(a, b) { - var r = reinterpolate(a = +a, b = +b); - return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; + force.theta = function(_) { + return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2); }; -} -function bimap(domain, range$$1, deinterpolate, reinterpolate) { - var d0 = domain[0], d1 = domain[1], r0 = range$$1[0], r1 = range$$1[1]; - if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); - else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); - return function(x) { return r0(d0(x)); }; -} + return force; +}; -function polymap(domain, range$$1, deinterpolate, reinterpolate) { - var j = Math.min(domain.length, range$$1.length) - 1, - d = new Array(j), - r = new Array(j), - i = -1; +var x$2 = function(x) { + var strength = constant$6(0.1), + nodes, + strengths, + xz; - // Reverse descending domains. - if (domain[j] < domain[0]) { - domain = domain.slice().reverse(); - range$$1 = range$$1.slice().reverse(); + if (typeof x !== "function") x = constant$6(x == null ? 0 : +x); + + function force(alpha) { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha; + } } - while (++i < j) { - d[i] = deinterpolate(domain[i], domain[i + 1]); - r[i] = reinterpolate(range$$1[i], range$$1[i + 1]); + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + xz = new Array(n); + for (i = 0; i < n; ++i) { + strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + } } - return function(x) { - var i = bisectRight(domain, x, 1, j) - 1; - return r[i](d[i](x)); + force.initialize = function(_) { + nodes = _; + initialize(); }; -} -function copy(source, target) { - return target - .domain(source.domain()) - .range(source.range()) - .interpolate(source.interpolate()) - .clamp(source.clamp()); -} + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + }; -// deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. -// reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. -function continuous(deinterpolate, reinterpolate) { - var domain = unit, - range$$1 = unit, - interpolate$$1 = interpolate, - clamp = false, - piecewise, - output, - input; + force.x = function(_) { + return arguments.length ? (x = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : x; + }; - function rescale() { - piecewise = Math.min(domain.length, range$$1.length) > 2 ? polymap : bimap; - output = input = null; - return scale; + return force; +}; + +var y$2 = function(y) { + var strength = constant$6(0.1), + nodes, + strengths, + yz; + + if (typeof y !== "function") y = constant$6(y == null ? 0 : +y); + + function force(alpha) { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha; + } } - function scale(x) { - return (output || (output = piecewise(domain, range$$1, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x); + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + yz = new Array(n); + for (i = 0; i < n; ++i) { + strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + } } - scale.invert = function(y) { - return (input || (input = piecewise(range$$1, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); + force.initialize = function(_) { + nodes = _; + initialize(); }; - scale.domain = function(_) { - return arguments.length ? (domain = map$3.call(_, number$1), rescale()) : domain.slice(); + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; }; - scale.range = function(_) { - return arguments.length ? (range$$1 = slice$3.call(_), rescale()) : range$$1.slice(); + force.y = function(_) { + return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : y; }; - scale.rangeRound = function(_) { - return range$$1 = slice$3.call(_), interpolate$$1 = interpolateRound, rescale(); - }; + return force; +}; - scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, rescale()) : clamp; +// Computes the decimal coefficient and exponent of the specified number x with +// significant digits p, where x is positive and p is in [1, 21] or undefined. +// For example, formatDecimal(1.23) returns ["123", 0]. +var formatDecimal = function(x, p) { + if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity + var i, coefficient = x.slice(0, i); + + // The string returned by toExponential either has the form \d\.\d+e[-+]\d+ + // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3). + return [ + coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, + +x.slice(i + 1) + ]; +}; + +var exponent$1 = function(x) { + return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; +}; + +var formatGroup = function(grouping, thousands) { + return function(value, width) { + var i = value.length, + t = [], + j = 0, + g = grouping[0], + length = 0; + + while (i > 0 && g > 0) { + if (length + g + 1 > width) g = Math.max(1, width - length); + t.push(value.substring(i -= g, i + g)); + if ((length += g + 1) > width) break; + g = grouping[j = (j + 1) % grouping.length]; + } + + return t.reverse().join(thousands); }; +}; - scale.interpolate = function(_) { - return arguments.length ? (interpolate$$1 = _, rescale()) : interpolate$$1; +var formatNumerals = function(numerals) { + return function(value) { + return value.replace(/[0-9]/g, function(i) { + return numerals[+i]; + }); }; +}; - return rescale(); -} +var formatDefault = function(x, p) { + x = x.toPrecision(p); -var tickFormat = function(domain, count, specifier) { - var start = domain[0], - stop = domain[domain.length - 1], - step = tickStep(start, stop, count == null ? 10 : count), - precision; - specifier = formatSpecifier(specifier == null ? ",f" : specifier); - switch (specifier.type) { - case "s": { - var value = Math.max(Math.abs(start), Math.abs(stop)); - if (specifier.precision == null && !isNaN(precision = precisionPrefix(step, value))) specifier.precision = precision; - return exports.formatPrefix(specifier, value); - } - case "": - case "e": - case "g": - case "p": - case "r": { - if (specifier.precision == null && !isNaN(precision = precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === "e"); - break; - } - case "f": - case "%": { - if (specifier.precision == null && !isNaN(precision = precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2; - break; + out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) { + switch (x[i]) { + case ".": i0 = i1 = i; break; + case "0": if (i0 === 0) i0 = i; i1 = i; break; + case "e": break out; + default: if (i0 > 0) i0 = 0; break; } } - return exports.format(specifier); -}; -function linearish(scale) { - var domain = scale.domain; + return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x; +}; - scale.ticks = function(count) { - var d = domain(); - return ticks(d[0], d[d.length - 1], count == null ? 10 : count); - }; +var prefixExponent; - scale.tickFormat = function(count, specifier) { - return tickFormat(domain(), count, specifier); - }; +var formatPrefixAuto = function(x, p) { + var d = formatDecimal(x, p); + if (!d) return x + ""; + var coefficient = d[0], + exponent = d[1], + i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, + n = coefficient.length; + return i === n ? coefficient + : i > n ? coefficient + new Array(i - n + 1).join("0") + : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) + : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y! +}; - scale.nice = function(count) { - var d = domain(), - i = d.length - 1, - n = count == null ? 10 : count, - start = d[0], - stop = d[i], - step = tickStep(start, stop, n); +var formatRounded = function(x, p) { + var d = formatDecimal(x, p); + if (!d) return x + ""; + var coefficient = d[0], + exponent = d[1]; + return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient + : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) + : coefficient + new Array(exponent - coefficient.length + 2).join("0"); +}; - if (step) { - step = tickStep(Math.floor(start / step) * step, Math.ceil(stop / step) * step, n); - d[0] = Math.floor(start / step) * step; - d[i] = Math.ceil(stop / step) * step; - domain(d); - } +var formatTypes = { + "": formatDefault, + "%": function(x, p) { return (x * 100).toFixed(p); }, + "b": function(x) { return Math.round(x).toString(2); }, + "c": function(x) { return x + ""; }, + "d": function(x) { return Math.round(x).toString(10); }, + "e": function(x, p) { return x.toExponential(p); }, + "f": function(x, p) { return x.toFixed(p); }, + "g": function(x, p) { return x.toPrecision(p); }, + "o": function(x) { return Math.round(x).toString(8); }, + "p": function(x, p) { return formatRounded(x * 100, p); }, + "r": formatRounded, + "s": formatPrefixAuto, + "X": function(x) { return Math.round(x).toString(16).toUpperCase(); }, + "x": function(x) { return Math.round(x).toString(16); } +}; - return scale; - }; +// [[fill]align][sign][symbol][0][width][,][.precision][type] +var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i; - return scale; +function formatSpecifier(specifier) { + return new FormatSpecifier(specifier); } -function linear$2() { - var scale = continuous(deinterpolateLinear, interpolateNumber); - - scale.copy = function() { - return copy(scale, linear$2()); - }; - - return linearish(scale); -} +formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof -function identity$4() { - var domain = [0, 1]; +function FormatSpecifier(specifier) { + if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); - function scale(x) { - return +x; - } + var match, + fill = match[1] || " ", + align = match[2] || ">", + sign = match[3] || "-", + symbol = match[4] || "", + zero = !!match[5], + width = match[6] && +match[6], + comma = !!match[7], + precision = match[8] && +match[8].slice(1), + type = match[9] || ""; - scale.invert = scale; + // The "n" type is an alias for ",g". + if (type === "n") comma = true, type = "g"; - scale.domain = scale.range = function(_) { - return arguments.length ? (domain = map$3.call(_, number$1), scale) : domain.slice(); - }; + // Map invalid types to the default format. + else if (!formatTypes[type]) type = ""; - scale.copy = function() { - return identity$4().domain(domain); - }; + // If zero fill is specified, padding goes after sign and before digits. + if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; - return linearish(scale); + this.fill = fill; + this.align = align; + this.sign = sign; + this.symbol = symbol; + this.zero = zero; + this.width = width; + this.comma = comma; + this.precision = precision; + this.type = type; } -var nice = function(domain, interval) { - domain = domain.slice(); - - var i0 = 0, - i1 = domain.length - 1, - x0 = domain[i0], - x1 = domain[i1], - t; - - if (x1 < x0) { - t = i0, i0 = i1, i1 = t; - t = x0, x0 = x1, x1 = t; - } - - domain[i0] = interval.floor(x0); - domain[i1] = interval.ceil(x1); - return domain; +FormatSpecifier.prototype.toString = function() { + return this.fill + + this.align + + this.sign + + this.symbol + + (this.zero ? "0" : "") + + (this.width == null ? "" : Math.max(1, this.width | 0)) + + (this.comma ? "," : "") + + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0)) + + this.type; }; -function deinterpolate(a, b) { - return (b = Math.log(b / a)) - ? function(x) { return Math.log(x / a) / b; } - : constant$4(b); -} +var identity$3 = function(x) { + return x; +}; -function reinterpolate(a, b) { - return a < 0 - ? function(t) { return -Math.pow(-b, t) * Math.pow(-a, 1 - t); } - : function(t) { return Math.pow(b, t) * Math.pow(a, 1 - t); }; -} +var prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; -function pow10(x) { - return isFinite(x) ? +("1e" + x) : x < 0 ? 0 : x; -} +var formatLocale = function(locale) { + var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, + currency = locale.currency, + decimal = locale.decimal, + numerals = locale.numerals ? formatNumerals(locale.numerals) : identity$3; -function powp(base) { - return base === 10 ? pow10 - : base === Math.E ? Math.exp - : function(x) { return Math.pow(base, x); }; -} + function newFormat(specifier) { + specifier = formatSpecifier(specifier); -function logp(base) { - return base === Math.E ? Math.log - : base === 10 && Math.log10 - || base === 2 && Math.log2 - || (base = Math.log(base), function(x) { return Math.log(x) / base; }); -} + var fill = specifier.fill, + align = specifier.align, + sign = specifier.sign, + symbol = specifier.symbol, + zero = specifier.zero, + width = specifier.width, + comma = specifier.comma, + precision = specifier.precision, + type = specifier.type; -function reflect(f) { - return function(x) { - return -f(-x); - }; -} + // Compute the prefix and suffix. + // For SI-prefix, the suffix is lazily computed. + var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", + suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? "%" : ""; -function log() { - var scale = continuous(deinterpolate, reinterpolate).domain([1, 10]), - domain = scale.domain, - base = 10, - logs = logp(10), - pows = powp(10); + // What format function should we use? + // Is this an integer type? + // Can this type generate exponential notation? + var formatType = formatTypes[type], + maybeSuffix = !type || /[defgprs%]/.test(type); - function rescale() { - logs = logp(base), pows = powp(base); - if (domain()[0] < 0) logs = reflect(logs), pows = reflect(pows); - return scale; - } + // Set the default precision if not specified, + // or clamp the specified precision to the supported range. + // For significant precision, it must be in [1, 21]. + // For fixed precision, it must be in [0, 20]. + precision = precision == null ? (type ? 6 : 12) + : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) + : Math.max(0, Math.min(20, precision)); - scale.base = function(_) { - return arguments.length ? (base = +_, rescale()) : base; - }; + function format(value) { + var valuePrefix = prefix, + valueSuffix = suffix, + i, n, c; - scale.domain = function(_) { - return arguments.length ? (domain(_), rescale()) : domain(); - }; + if (type === "c") { + valueSuffix = formatType(value) + valueSuffix; + value = ""; + } else { + value = +value; - scale.ticks = function(count) { - var d = domain(), - u = d[0], - v = d[d.length - 1], - r; + // Perform the initial formatting. + var valueNegative = value < 0; + value = formatType(Math.abs(value), precision); - if (r = v < u) i = u, u = v, v = i; + // If a negative value rounds to zero during formatting, treat as positive. + if (valueNegative && +value === 0) valueNegative = false; - var i = logs(u), - j = logs(v), - p, - k, - t, - n = count == null ? 10 : +count, - z = []; + // Compute the prefix and suffix. + valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; + valueSuffix = valueSuffix + (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + (valueNegative && sign === "(" ? ")" : ""); - if (!(base % 1) && j - i < n) { - i = Math.round(i) - 1, j = Math.round(j) + 1; - if (u > 0) for (; i < j; ++i) { - for (k = 1, p = pows(i); k < base; ++k) { - t = p * k; - if (t < u) continue; - if (t > v) break; - z.push(t); - } - } else for (; i < j; ++i) { - for (k = base - 1, p = pows(i); k >= 1; --k) { - t = p * k; - if (t < u) continue; - if (t > v) break; - z.push(t); + // Break the formatted value into the integer “value” part that can be + // grouped, and fractional or exponential “suffix” part that is not. + if (maybeSuffix) { + i = -1, n = value.length; + while (++i < n) { + if (c = value.charCodeAt(i), 48 > c || c > 57) { + valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix; + value = value.slice(0, i); + break; + } + } } } - } else { - z = ticks(i, j, Math.min(j - i, n)).map(pows); - } - - return r ? z.reverse() : z; - }; - - scale.tickFormat = function(count, specifier) { - if (specifier == null) specifier = base === 10 ? ".0e" : ","; - if (typeof specifier !== "function") specifier = exports.format(specifier); - if (count === Infinity) return specifier; - if (count == null) count = 10; - var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate? - return function(d) { - var i = d / pows(Math.round(logs(d))); - if (i * base < base - 0.5) i *= base; - return i <= k ? specifier(d) : ""; - }; - }; - - scale.nice = function() { - return domain(nice(domain(), { - floor: function(x) { return pows(Math.floor(logs(x))); }, - ceil: function(x) { return pows(Math.ceil(logs(x))); } - })); - }; - - scale.copy = function() { - return copy(scale, log().base(base)); - }; - - return scale; -} - -function raise(x, exponent) { - return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); -} - -function pow() { - var exponent = 1, - scale = continuous(deinterpolate, reinterpolate), - domain = scale.domain; - - function deinterpolate(a, b) { - return (b = raise(b, exponent) - (a = raise(a, exponent))) - ? function(x) { return (raise(x, exponent) - a) / b; } - : constant$4(b); - } - function reinterpolate(a, b) { - b = raise(b, exponent) - (a = raise(a, exponent)); - return function(t) { return raise(a + b * t, 1 / exponent); }; - } + // If the fill character is not "0", grouping is applied before padding. + if (comma && !zero) value = group(value, Infinity); - scale.exponent = function(_) { - return arguments.length ? (exponent = +_, domain(domain())) : exponent; - }; + // Compute the padding. + var length = valuePrefix.length + value.length + valueSuffix.length, + padding = length < width ? new Array(width - length + 1).join(fill) : ""; - scale.copy = function() { - return copy(scale, pow().exponent(exponent)); - }; + // If the fill character is "0", grouping is applied after padding. + if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; - return linearish(scale); -} + // Reconstruct the final output based on the desired alignment. + switch (align) { + case "<": value = valuePrefix + value + valueSuffix + padding; break; + case "=": value = valuePrefix + padding + value + valueSuffix; break; + case "^": value = padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); break; + default: value = padding + valuePrefix + value + valueSuffix; break; + } -function sqrt() { - return pow().exponent(0.5); -} + return numerals(value); + } -function quantile$$1() { - var domain = [], - range$$1 = [], - thresholds = []; + format.toString = function() { + return specifier + ""; + }; - function rescale() { - var i = 0, n = Math.max(1, range$$1.length); - thresholds = new Array(n - 1); - while (++i < n) thresholds[i - 1] = threshold(domain, i / n); - return scale; + return format; } - function scale(x) { - if (!isNaN(x = +x)) return range$$1[bisectRight(thresholds, x)]; + function formatPrefix(specifier, value) { + var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), + e = Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3, + k = Math.pow(10, -e), + prefix = prefixes[8 + e / 3]; + return function(value) { + return f(k * value) + prefix; + }; } - scale.invertExtent = function(y) { - var i = range$$1.indexOf(y); - return i < 0 ? [NaN, NaN] : [ - i > 0 ? thresholds[i - 1] : domain[0], - i < thresholds.length ? thresholds[i] : domain[domain.length - 1] - ]; + return { + format: newFormat, + formatPrefix: formatPrefix }; +}; - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = []; - for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); - domain.sort(ascending); - return rescale(); - }; +var locale$1; - scale.range = function(_) { - return arguments.length ? (range$$1 = slice$3.call(_), rescale()) : range$$1.slice(); - }; - scale.quantiles = function() { - return thresholds.slice(); - }; - scale.copy = function() { - return quantile$$1() - .domain(domain) - .range(range$$1); - }; +defaultLocale({ + decimal: ".", + thousands: ",", + grouping: [3], + currency: ["$", ""] +}); - return scale; +function defaultLocale(definition) { + locale$1 = formatLocale(definition); + exports.format = locale$1.format; + exports.formatPrefix = locale$1.formatPrefix; + return locale$1; } -function quantize$1() { - var x0 = 0, - x1 = 1, - n = 1, - domain = [0.5], - range$$1 = [0, 1]; - - function scale(x) { - if (x <= x) return range$$1[bisectRight(domain, x, 0, n)]; - } - - function rescale() { - var i = -1; - domain = new Array(n); - while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1); - return scale; - } +var precisionFixed = function(step) { + return Math.max(0, -exponent$1(Math.abs(step))); +}; - scale.domain = function(_) { - return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1]; - }; +var precisionPrefix = function(step, value) { + return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step))); +}; - scale.range = function(_) { - return arguments.length ? (n = (range$$1 = slice$3.call(_)).length - 1, rescale()) : range$$1.slice(); - }; +var precisionRound = function(step, max) { + step = Math.abs(step), max = Math.abs(max) - step; + return Math.max(0, exponent$1(max) - exponent$1(step)) + 1; +}; - scale.invertExtent = function(y) { - var i = range$$1.indexOf(y); - return i < 0 ? [NaN, NaN] - : i < 1 ? [x0, domain[0]] - : i >= n ? [domain[n - 1], x1] - : [domain[i - 1], domain[i]]; - }; +// Adds floating point numbers with twice the normal precision. +// Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and +// Fast Robust Geometric Predicates, Discrete & Computational Geometry 18(3) +// 305–363 (1997). +// Code adapted from GeographicLib by Charles F. F. Karney, +// http://geographiclib.sourceforge.net/ - scale.copy = function() { - return quantize$1() - .domain([x0, x1]) - .range(range$$1); - }; +var adder = function() { + return new Adder; +}; - return linearish(scale); +function Adder() { + this.reset(); } -function threshold$1() { - var domain = [0.5], - range$$1 = [0, 1], - n = 1; - - function scale(x) { - if (x <= x) return range$$1[bisectRight(domain, x, 0, n)]; +Adder.prototype = { + constructor: Adder, + reset: function() { + this.s = // rounded value + this.t = 0; // exact error + }, + add: function(y) { + add$1(temp, y, this.t); + add$1(this, temp.s, this.s); + if (this.s) this.t += temp.t; + else this.s = temp.t; + }, + valueOf: function() { + return this.s; } +}; - scale.domain = function(_) { - return arguments.length ? (domain = slice$3.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : domain.slice(); - }; +var temp = new Adder; - scale.range = function(_) { - return arguments.length ? (range$$1 = slice$3.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : range$$1.slice(); - }; +function add$1(adder, a, b) { + var x = adder.s = a + b, + bv = x - a, + av = x - bv; + adder.t = (a - av) + (b - bv); +} - scale.invertExtent = function(y) { - var i = range$$1.indexOf(y); - return [domain[i - 1], domain[i]]; - }; +var epsilon$2 = 1e-6; +var epsilon2$1 = 1e-12; +var pi$3 = Math.PI; +var halfPi$2 = pi$3 / 2; +var quarterPi = pi$3 / 4; +var tau$3 = pi$3 * 2; - scale.copy = function() { - return threshold$1() - .domain(domain) - .range(range$$1); - }; +var degrees$1 = 180 / pi$3; +var radians = pi$3 / 180; - return scale; -} +var abs = Math.abs; +var atan = Math.atan; +var atan2 = Math.atan2; +var cos$1 = Math.cos; +var ceil = Math.ceil; +var exp = Math.exp; -var durationSecond$1 = 1000; -var durationMinute$1 = durationSecond$1 * 60; -var durationHour$1 = durationMinute$1 * 60; -var durationDay$1 = durationHour$1 * 24; -var durationWeek$1 = durationDay$1 * 7; -var durationMonth = durationDay$1 * 30; -var durationYear = durationDay$1 * 365; +var log = Math.log; +var pow = Math.pow; +var sin$1 = Math.sin; +var sign = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; }; +var sqrt = Math.sqrt; +var tan = Math.tan; -function date$1(t) { - return new Date(t); +function acos(x) { + return x > 1 ? 0 : x < -1 ? pi$3 : Math.acos(x); } -function number$2(t) { - return t instanceof Date ? +t : +new Date(+t); +function asin(x) { + return x > 1 ? halfPi$2 : x < -1 ? -halfPi$2 : Math.asin(x); } -function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format) { - var scale = continuous(deinterpolateLinear, interpolateNumber), - invert = scale.invert, - domain = scale.domain; +function haversin(x) { + return (x = sin$1(x / 2)) * x; +} - var formatMillisecond = format(".%L"), - formatSecond = format(":%S"), - formatMinute = format("%I:%M"), - formatHour = format("%I %p"), - formatDay = format("%a %d"), - formatWeek = format("%b %d"), - formatMonth = format("%B"), - formatYear = format("%Y"); +function noop$1() {} - var tickIntervals = [ - [second$$1, 1, durationSecond$1], - [second$$1, 5, 5 * durationSecond$1], - [second$$1, 15, 15 * durationSecond$1], - [second$$1, 30, 30 * durationSecond$1], - [minute$$1, 1, durationMinute$1], - [minute$$1, 5, 5 * durationMinute$1], - [minute$$1, 15, 15 * durationMinute$1], - [minute$$1, 30, 30 * durationMinute$1], - [ hour$$1, 1, durationHour$1 ], - [ hour$$1, 3, 3 * durationHour$1 ], - [ hour$$1, 6, 6 * durationHour$1 ], - [ hour$$1, 12, 12 * durationHour$1 ], - [ day$$1, 1, durationDay$1 ], - [ day$$1, 2, 2 * durationDay$1 ], - [ week, 1, durationWeek$1 ], - [ month$$1, 1, durationMonth ], - [ month$$1, 3, 3 * durationMonth ], - [ year$$1, 1, durationYear ] - ]; +function streamGeometry(geometry, stream) { + if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { + streamGeometryType[geometry.type](geometry, stream); + } +} - function tickFormat(date) { - return (second$$1(date) < date ? formatMillisecond - : minute$$1(date) < date ? formatSecond - : hour$$1(date) < date ? formatMinute - : day$$1(date) < date ? formatHour - : month$$1(date) < date ? (week(date) < date ? formatDay : formatWeek) - : year$$1(date) < date ? formatMonth - : formatYear)(date); +var streamObjectType = { + Feature: function(object, stream) { + streamGeometry(object.geometry, stream); + }, + FeatureCollection: function(object, stream) { + var features = object.features, i = -1, n = features.length; + while (++i < n) streamGeometry(features[i].geometry, stream); + } +}; + +var streamGeometryType = { + Sphere: function(object, stream) { + stream.sphere(); + }, + Point: function(object, stream) { + object = object.coordinates; + stream.point(object[0], object[1], object[2]); + }, + MultiPoint: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]); + }, + LineString: function(object, stream) { + streamLine(object.coordinates, stream, 0); + }, + MultiLineString: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) streamLine(coordinates[i], stream, 0); + }, + Polygon: function(object, stream) { + streamPolygon(object.coordinates, stream); + }, + MultiPolygon: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) streamPolygon(coordinates[i], stream); + }, + GeometryCollection: function(object, stream) { + var geometries = object.geometries, i = -1, n = geometries.length; + while (++i < n) streamGeometry(geometries[i], stream); } +}; - function tickInterval(interval, start, stop, step) { - if (interval == null) interval = 10; +function streamLine(coordinates, stream, closed) { + var i = -1, n = coordinates.length - closed, coordinate; + stream.lineStart(); + while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]); + stream.lineEnd(); +} - // If a desired tick count is specified, pick a reasonable tick interval - // based on the extent of the domain and a rough estimate of tick size. - // Otherwise, assume interval is already a time interval and use it. - if (typeof interval === "number") { - var target = Math.abs(stop - start) / interval, - i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); - if (i === tickIntervals.length) { - step = tickStep(start / durationYear, stop / durationYear, interval); - interval = year$$1; - } else if (i) { - i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; - step = i[1]; - interval = i[0]; - } else { - step = tickStep(start, stop, interval); - interval = millisecond$$1; - } - } +function streamPolygon(coordinates, stream) { + var i = -1, n = coordinates.length; + stream.polygonStart(); + while (++i < n) streamLine(coordinates[i], stream, 1); + stream.polygonEnd(); +} - return step == null ? interval : interval.every(step); +var geoStream = function(object, stream) { + if (object && streamObjectType.hasOwnProperty(object.type)) { + streamObjectType[object.type](object, stream); + } else { + streamGeometry(object, stream); } +}; - scale.invert = function(y) { - return new Date(invert(y)); - }; - - scale.domain = function(_) { - return arguments.length ? domain(map$3.call(_, number$2)) : domain().map(date$1); - }; +var areaRingSum = adder(); - scale.ticks = function(interval, step) { - var d = domain(), - t0 = d[0], - t1 = d[d.length - 1], - r = t1 < t0, - t; - if (r) t = t0, t0 = t1, t1 = t; - t = tickInterval(interval, t0, t1, step); - t = t ? t.range(t0, t1 + 1) : []; // inclusive stop - return r ? t.reverse() : t; - }; +var areaSum = adder(); +var lambda00; +var phi00; +var lambda0; +var cosPhi0; +var sinPhi0; - scale.tickFormat = function(count, specifier) { - return specifier == null ? tickFormat : format(specifier); - }; +var areaStream = { + point: noop$1, + lineStart: noop$1, + lineEnd: noop$1, + polygonStart: function() { + areaRingSum.reset(); + areaStream.lineStart = areaRingStart; + areaStream.lineEnd = areaRingEnd; + }, + polygonEnd: function() { + var areaRing = +areaRingSum; + areaSum.add(areaRing < 0 ? tau$3 + areaRing : areaRing); + this.lineStart = this.lineEnd = this.point = noop$1; + }, + sphere: function() { + areaSum.add(tau$3); + } +}; - scale.nice = function(interval, step) { - var d = domain(); - return (interval = tickInterval(interval, d[0], d[d.length - 1], step)) - ? domain(nice(d, interval)) - : scale; - }; +function areaRingStart() { + areaStream.point = areaPointFirst; +} - scale.copy = function() { - return copy(scale, calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format)); - }; +function areaRingEnd() { + areaPoint(lambda00, phi00); +} - return scale; +function areaPointFirst(lambda, phi) { + areaStream.point = areaPoint; + lambda00 = lambda, phi00 = phi; + lambda *= radians, phi *= radians; + lambda0 = lambda, cosPhi0 = cos$1(phi = phi / 2 + quarterPi), sinPhi0 = sin$1(phi); } -var time = function() { - return calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]); -}; +function areaPoint(lambda, phi) { + lambda *= radians, phi *= radians; + phi = phi / 2 + quarterPi; // half the angular distance from south pole -var utcTime = function() { - return calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); -}; + // Spherical excess E for a spherical triangle with vertices: south pole, + // previous point, current point. Uses a formula derived from Cagnoli’s + // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2). + var dLambda = lambda - lambda0, + sdLambda = dLambda >= 0 ? 1 : -1, + adLambda = sdLambda * dLambda, + cosPhi = cos$1(phi), + sinPhi = sin$1(phi), + k = sinPhi0 * sinPhi, + u = cosPhi0 * cosPhi + k * cos$1(adLambda), + v = k * sdLambda * sin$1(adLambda); + areaRingSum.add(atan2(v, u)); -var colors = function(s) { - return s.match(/.{6}/g).map(function(x) { - return "#" + x; - }); + // Advance the previous points. + lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; +} + +var area = function(object) { + areaSum.reset(); + geoStream(object, areaStream); + return areaSum * 2; }; -var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); +function spherical(cartesian) { + return [atan2(cartesian[1], cartesian[0]), asin(cartesian[2])]; +} -var category20b = colors("393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6"); +function cartesian(spherical) { + var lambda = spherical[0], phi = spherical[1], cosPhi = cos$1(phi); + return [cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)]; +} -var category20c = colors("3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9"); +function cartesianDot(a, b) { + return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; +} -var category20 = colors("1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5"); +function cartesianCross(a, b) { + return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]]; +} -var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); +// TODO return a +function cartesianAddInPlace(a, b) { + a[0] += b[0], a[1] += b[1], a[2] += b[2]; +} -var warm = cubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); +function cartesianScale(vector, k) { + return [vector[0] * k, vector[1] * k, vector[2] * k]; +} -var cool = cubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); +// TODO return d +function cartesianNormalizeInPlace(d) { + var l = sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); + d[0] /= l, d[1] /= l, d[2] /= l; +} -var rainbow = cubehelix(); +var lambda0$1; +var phi0; +var lambda1; +var phi1; +var lambda2; +var lambda00$1; +var phi00$1; +var p0; +var deltaSum = adder(); +var ranges; +var range; -var rainbow$1 = function(t) { - if (t < 0 || t > 1) t -= Math.floor(t); - var ts = Math.abs(t - 0.5); - rainbow.h = 360 * t - 100; - rainbow.s = 1.5 - 1.5 * ts; - rainbow.l = 0.8 - 0.9 * ts; - return rainbow + ""; +var boundsStream = { + point: boundsPoint, + lineStart: boundsLineStart, + lineEnd: boundsLineEnd, + polygonStart: function() { + boundsStream.point = boundsRingPoint; + boundsStream.lineStart = boundsRingStart; + boundsStream.lineEnd = boundsRingEnd; + deltaSum.reset(); + areaStream.polygonStart(); + }, + polygonEnd: function() { + areaStream.polygonEnd(); + boundsStream.point = boundsPoint; + boundsStream.lineStart = boundsLineStart; + boundsStream.lineEnd = boundsLineEnd; + if (areaRingSum < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); + else if (deltaSum > epsilon$2) phi1 = 90; + else if (deltaSum < -epsilon$2) phi0 = -90; + range[0] = lambda0$1, range[1] = lambda1; + } }; -function ramp(range) { - var n = range.length; - return function(t) { - return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; - }; +function boundsPoint(lambda, phi) { + ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; +} + +function linePoint(lambda, phi) { + var p = cartesian([lambda * radians, phi * radians]); + if (p0) { + var normal = cartesianCross(p0, p), + equatorial = [normal[1], -normal[0], 0], + inflection = cartesianCross(equatorial, normal); + cartesianNormalizeInPlace(inflection); + inflection = spherical(inflection); + var delta = lambda - lambda2, + sign$$1 = delta > 0 ? 1 : -1, + lambdai = inflection[0] * degrees$1 * sign$$1, + phii, + antimeridian = abs(delta) > 180; + if (antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) { + phii = inflection[1] * degrees$1; + if (phii > phi1) phi1 = phii; + } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) { + phii = -inflection[1] * degrees$1; + if (phii < phi0) phi0 = phii; + } else { + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; + } + if (antimeridian) { + if (lambda < lambda2) { + if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; + } else { + if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; + } + } else { + if (lambda1 >= lambda0$1) { + if (lambda < lambda0$1) lambda0$1 = lambda; + if (lambda > lambda1) lambda1 = lambda; + } else { + if (lambda > lambda2) { + if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; + } else { + if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; + } + } + } + } else { + ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); + } + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; + p0 = p, lambda2 = lambda; } -var viridis = ramp(colors("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")); - -var magma = ramp(colors("00000401000501010601010802010902020b02020d03030f03031204041405041606051806051a07061c08071e0907200a08220b09240c09260d0a290e0b2b100b2d110c2f120d31130d34140e36150e38160f3b180f3d19103f1a10421c10441d11471e114920114b21114e22115024125325125527125829115a2a115c2c115f2d11612f116331116533106734106936106b38106c390f6e3b0f703d0f713f0f72400f74420f75440f764510774710784910784a10794c117a4e117b4f127b51127c52137c54137d56147d57157e59157e5a167e5c167f5d177f5f187f601880621980641a80651a80671b80681c816a1c816b1d816d1d816e1e81701f81721f817320817521817621817822817922827b23827c23827e24828025828125818326818426818627818827818928818b29818c29818e2a81902a81912b81932b80942c80962c80982d80992d809b2e7f9c2e7f9e2f7fa02f7fa1307ea3307ea5317ea6317da8327daa337dab337cad347cae347bb0357bb2357bb3367ab5367ab73779b83779ba3878bc3978bd3977bf3a77c03a76c23b75c43c75c53c74c73d73c83e73ca3e72cc3f71cd4071cf4070d0416fd2426fd3436ed5446dd6456cd8456cd9466bdb476adc4869de4968df4a68e04c67e24d66e34e65e44f64e55064e75263e85362e95462ea5661eb5760ec5860ed5a5fee5b5eef5d5ef05f5ef1605df2625df2645cf3655cf4675cf4695cf56b5cf66c5cf66e5cf7705cf7725cf8745cf8765cf9785df9795df97b5dfa7d5efa7f5efa815ffb835ffb8560fb8761fc8961fc8a62fc8c63fc8e64fc9065fd9266fd9467fd9668fd9869fd9a6afd9b6bfe9d6cfe9f6dfea16efea36ffea571fea772fea973feaa74feac76feae77feb078feb27afeb47bfeb67cfeb77efeb97ffebb81febd82febf84fec185fec287fec488fec68afec88cfeca8dfecc8ffecd90fecf92fed194fed395fed597fed799fed89afdda9cfddc9efddea0fde0a1fde2a3fde3a5fde5a7fde7a9fde9aafdebacfcecaefceeb0fcf0b2fcf2b4fcf4b6fcf6b8fcf7b9fcf9bbfcfbbdfcfdbf")); - -var inferno = ramp(colors("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")); - -var plasma = ramp(colors("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")); +function boundsLineStart() { + boundsStream.point = linePoint; +} -function sequential(interpolator) { - var x0 = 0, - x1 = 1, - clamp = false; +function boundsLineEnd() { + range[0] = lambda0$1, range[1] = lambda1; + boundsStream.point = boundsPoint; + p0 = null; +} - function scale(x) { - var t = (x - x0) / (x1 - x0); - return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t); +function boundsRingPoint(lambda, phi) { + if (p0) { + var delta = lambda - lambda2; + deltaSum.add(abs(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta); + } else { + lambda00$1 = lambda, phi00$1 = phi; } + areaStream.point(lambda, phi); + linePoint(lambda, phi); +} - scale.domain = function(_) { - return arguments.length ? (x0 = +_[0], x1 = +_[1], scale) : [x0, x1]; - }; - - scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, scale) : clamp; - }; +function boundsRingStart() { + areaStream.lineStart(); +} - scale.interpolator = function(_) { - return arguments.length ? (interpolator = _, scale) : interpolator; - }; +function boundsRingEnd() { + boundsRingPoint(lambda00$1, phi00$1); + areaStream.lineEnd(); + if (abs(deltaSum) > epsilon$2) lambda0$1 = -(lambda1 = 180); + range[0] = lambda0$1, range[1] = lambda1; + p0 = null; +} - scale.copy = function() { - return sequential(interpolator).domain([x0, x1]).clamp(clamp); - }; +// Finds the left-right distance between two longitudes. +// This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want +// the distance between ±180° to be 360°. +function angle(lambda0, lambda1) { + return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1; +} - return linearish(scale); +function rangeCompare(a, b) { + return a[0] - b[0]; } -var xhtml = "http://www.w3.org/1999/xhtml"; +function rangeContains(range, x) { + return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; +} -var namespaces = { - svg: "http://www.w3.org/2000/svg", - xhtml: xhtml, - xlink: "http://www.w3.org/1999/xlink", - xml: "http://www.w3.org/XML/1998/namespace", - xmlns: "http://www.w3.org/2000/xmlns/" -}; +var bounds = function(feature) { + var i, n, a, b, merged, deltaMax, delta; -var namespace = function(name) { - var prefix = name += "", i = prefix.indexOf(":"); - if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); - return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; -}; + phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); + ranges = []; + geoStream(feature, boundsStream); -function creatorInherit(name) { - return function() { - var document = this.ownerDocument, - uri = this.namespaceURI; - return uri === xhtml && document.documentElement.namespaceURI === xhtml - ? document.createElement(name) - : document.createElementNS(uri, name); - }; -} + // First, sort ranges by their minimum longitudes. + if (n = ranges.length) { + ranges.sort(rangeCompare); -function creatorFixed(fullname) { - return function() { - return this.ownerDocument.createElementNS(fullname.space, fullname.local); - }; -} + // Then, merge any ranges that overlap. + for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) { + b = ranges[i]; + if (rangeContains(a, b[0]) || rangeContains(a, b[1])) { + if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; + if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; + } else { + merged.push(a = b); + } + } -var creator = function(name) { - var fullname = namespace(name); - return (fullname.local - ? creatorFixed - : creatorInherit)(fullname); -}; + // Finally, find the largest gap between the merged ranges. + // The final bounding box will be the inverse of this gap. + for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) { + b = merged[i]; + if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1]; + } + } -var nextId = 0; + ranges = range = null; -function local() { - return new Local; -} + return lambda0$1 === Infinity || phi0 === Infinity + ? [[NaN, NaN], [NaN, NaN]] + : [[lambda0$1, phi0], [lambda1, phi1]]; +}; -function Local() { - this._ = "@" + (++nextId).toString(36); -} +var W0; +var W1; +var X0; +var Y0; +var Z0; +var X1; +var Y1; +var Z1; +var X2; +var Y2; +var Z2; +var lambda00$2; +var phi00$2; +var x0; +var y0; +var z0; // previous point -Local.prototype = local.prototype = { - constructor: Local, - get: function(node) { - var id = this._; - while (!(id in node)) if (!(node = node.parentNode)) return; - return node[id]; - }, - set: function(node, value) { - return node[this._] = value; - }, - remove: function(node) { - return this._ in node && delete node[this._]; +var centroidStream = { + sphere: noop$1, + point: centroidPoint, + lineStart: centroidLineStart, + lineEnd: centroidLineEnd, + polygonStart: function() { + centroidStream.lineStart = centroidRingStart; + centroidStream.lineEnd = centroidRingEnd; }, - toString: function() { - return this._; + polygonEnd: function() { + centroidStream.lineStart = centroidLineStart; + centroidStream.lineEnd = centroidLineEnd; } }; -var matcher = function(selector) { - return function() { - return this.matches(selector); - }; -}; - -if (typeof document !== "undefined") { - var element = document.documentElement; - if (!element.matches) { - var vendorMatches = element.webkitMatchesSelector - || element.msMatchesSelector - || element.mozMatchesSelector - || element.oMatchesSelector; - matcher = function(selector) { - return function() { - return vendorMatches.call(this, selector); - }; - }; - } +// Arithmetic mean of Cartesian vectors. +function centroidPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi); + centroidPointCartesian(cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)); } -var matcher$1 = matcher; +function centroidPointCartesian(x, y, z) { + ++W0; + X0 += (x - X0) / W0; + Y0 += (y - Y0) / W0; + Z0 += (z - Z0) / W0; +} -var filterEvents = {}; +function centroidLineStart() { + centroidStream.point = centroidLinePointFirst; +} -exports.event = null; +function centroidLinePointFirst(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi); + x0 = cosPhi * cos$1(lambda); + y0 = cosPhi * sin$1(lambda); + z0 = sin$1(phi); + centroidStream.point = centroidLinePoint; + centroidPointCartesian(x0, y0, z0); +} -if (typeof document !== "undefined") { - var element$1 = document.documentElement; - if (!("onmouseenter" in element$1)) { - filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; - } +function centroidLinePoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi), + x = cosPhi * cos$1(lambda), + y = cosPhi * sin$1(lambda), + z = sin$1(phi), + w = atan2(sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); + W1 += w; + X1 += w * (x0 + (x0 = x)); + Y1 += w * (y0 + (y0 = y)); + Z1 += w * (z0 + (z0 = z)); + centroidPointCartesian(x0, y0, z0); } -function filterContextListener(listener, index, group) { - listener = contextListener(listener, index, group); - return function(event) { - var related = event.relatedTarget; - if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { - listener.call(this, event); - } - }; +function centroidLineEnd() { + centroidStream.point = centroidPoint; } -function contextListener(listener, index, group) { - return function(event1) { - var event0 = exports.event; // Events can be reentrant (e.g., focus). - exports.event = event1; - try { - listener.call(this, this.__data__, index, group); - } finally { - exports.event = event0; - } - }; +// See J. E. Brock, The Inertia Tensor for a Spherical Triangle, +// J. Applied Mechanics 42, 239 (1975). +function centroidRingStart() { + centroidStream.point = centroidRingPointFirst; } -function parseTypenames$1(typenames) { - return typenames.trim().split(/^|\s+/).map(function(t) { - var name = "", i = t.indexOf("."); - if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); - return {type: t, name: name}; - }); +function centroidRingEnd() { + centroidRingPoint(lambda00$2, phi00$2); + centroidStream.point = centroidPoint; } -function onRemove(typename) { - return function() { - var on = this.__on; - if (!on) return; - for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { - if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); - } else { - on[++i] = o; - } - } - if (++i) on.length = i; - else delete this.__on; - }; +function centroidRingPointFirst(lambda, phi) { + lambda00$2 = lambda, phi00$2 = phi; + lambda *= radians, phi *= radians; + centroidStream.point = centroidRingPoint; + var cosPhi = cos$1(phi); + x0 = cosPhi * cos$1(lambda); + y0 = cosPhi * sin$1(lambda); + z0 = sin$1(phi); + centroidPointCartesian(x0, y0, z0); } -function onAdd(typename, value, capture) { - var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; - return function(d, i, group) { - var on = this.__on, o, listener = wrap(value, i, group); - if (on) for (var j = 0, m = on.length; j < m; ++j) { - if ((o = on[j]).type === typename.type && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); - this.addEventListener(o.type, o.listener = listener, o.capture = capture); - o.value = value; - return; - } - } - this.addEventListener(typename.type, listener, capture); - o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; - if (!on) this.__on = [o]; - else on.push(o); - }; +function centroidRingPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi), + x = cosPhi * cos$1(lambda), + y = cosPhi * sin$1(lambda), + z = sin$1(phi), + cx = y0 * z - z0 * y, + cy = z0 * x - x0 * z, + cz = x0 * y - y0 * x, + m = sqrt(cx * cx + cy * cy + cz * cz), + w = asin(m), // line weight = angle + v = m && -w / m; // area weight multiplier + X2 += v * cx; + Y2 += v * cy; + Z2 += v * cz; + W1 += w; + X1 += w * (x0 + (x0 = x)); + Y1 += w * (y0 + (y0 = y)); + Z1 += w * (z0 + (z0 = z)); + centroidPointCartesian(x0, y0, z0); } -var selection_on = function(typename, value, capture) { - var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t; +var centroid = function(object) { + W0 = W1 = + X0 = Y0 = Z0 = + X1 = Y1 = Z1 = + X2 = Y2 = Z2 = 0; + geoStream(object, centroidStream); - if (arguments.length < 2) { - var on = this.node().__on; - if (on) for (var j = 0, m = on.length, o; j < m; ++j) { - for (i = 0, o = on[j]; i < n; ++i) { - if ((t = typenames[i]).type === o.type && t.name === o.name) { - return o.value; - } - } - } - return; + var x = X2, + y = Y2, + z = Z2, + m = x * x + y * y + z * z; + + // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid. + if (m < epsilon2$1) { + x = X1, y = Y1, z = Z1; + // If the feature has zero length, fall back to arithmetic mean of point vectors. + if (W1 < epsilon$2) x = X0, y = Y0, z = Z0; + m = x * x + y * y + z * z; + // If the feature still has an undefined ccentroid, then return. + if (m < epsilon2$1) return [NaN, NaN]; } - on = value ? onAdd : onRemove; - if (capture == null) capture = false; - for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); - return this; + return [atan2(y, x) * degrees$1, asin(z / sqrt(m)) * degrees$1]; }; -function customEvent(event1, listener, that, args) { - var event0 = exports.event; - event1.sourceEvent = exports.event; - exports.event = event1; - try { - return listener.apply(that, args); - } finally { - exports.event = event0; - } -} - -var sourceEvent = function() { - var current = exports.event, source; - while (source = current.sourceEvent) current = source; - return current; +var constant$7 = function(x) { + return function() { + return x; + }; }; -var point$5 = function(node, event) { - var svg = node.ownerSVGElement || node; +var compose = function(a, b) { - if (svg.createSVGPoint) { - var point = svg.createSVGPoint(); - point.x = event.clientX, point.y = event.clientY; - point = point.matrixTransform(node.getScreenCTM().inverse()); - return [point.x, point.y]; + function compose(x, y) { + return x = a(x, y), b(x[0], x[1]); } - var rect = node.getBoundingClientRect(); - return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; -}; + if (a.invert && b.invert) compose.invert = function(x, y) { + return x = b.invert(x, y), x && a.invert(x[0], x[1]); + }; -var mouse = function(node) { - var event = sourceEvent(); - if (event.changedTouches) event = event.changedTouches[0]; - return point$5(node, event); + return compose; }; -function none$2() {} +function rotationIdentity(lambda, phi) { + return [lambda > pi$3 ? lambda - tau$3 : lambda < -pi$3 ? lambda + tau$3 : lambda, phi]; +} -var selector = function(selector) { - return selector == null ? none$2 : function() { - return this.querySelector(selector); +rotationIdentity.invert = rotationIdentity; + +function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { + return (deltaLambda %= tau$3) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) + : rotationLambda(deltaLambda)) + : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) + : rotationIdentity); +} + +function forwardRotationLambda(deltaLambda) { + return function(lambda, phi) { + return lambda += deltaLambda, [lambda > pi$3 ? lambda - tau$3 : lambda < -pi$3 ? lambda + tau$3 : lambda, phi]; }; -}; +} -var selection_select = function(select) { - if (typeof select !== "function") select = selector(select); +function rotationLambda(deltaLambda) { + var rotation = forwardRotationLambda(deltaLambda); + rotation.invert = forwardRotationLambda(-deltaLambda); + return rotation; +} - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { - if ("__data__" in node) subnode.__data__ = node.__data__; - subgroup[i] = subnode; - } - } +function rotationPhiGamma(deltaPhi, deltaGamma) { + var cosDeltaPhi = cos$1(deltaPhi), + sinDeltaPhi = sin$1(deltaPhi), + cosDeltaGamma = cos$1(deltaGamma), + sinDeltaGamma = sin$1(deltaGamma); + + function rotation(lambda, phi) { + var cosPhi = cos$1(phi), + x = cos$1(lambda) * cosPhi, + y = sin$1(lambda) * cosPhi, + z = sin$1(phi), + k = z * cosDeltaPhi + x * sinDeltaPhi; + return [ + atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi), + asin(k * cosDeltaGamma + y * sinDeltaGamma) + ]; } - return new Selection(subgroups, this._parents); -}; + rotation.invert = function(lambda, phi) { + var cosPhi = cos$1(phi), + x = cos$1(lambda) * cosPhi, + y = sin$1(lambda) * cosPhi, + z = sin$1(phi), + k = z * cosDeltaGamma - y * sinDeltaGamma; + return [ + atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi), + asin(k * cosDeltaPhi - x * sinDeltaPhi) + ]; + }; -function empty() { - return []; + return rotation; } -var selectorAll = function(selector) { - return selector == null ? empty : function() { - return this.querySelectorAll(selector); +var rotation = function(rotate) { + rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); + + function forward(coordinates) { + coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians); + return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; + } + + forward.invert = function(coordinates) { + coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians); + return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; }; -}; -var selection_selectAll = function(select) { - if (typeof select !== "function") select = selectorAll(select); + return forward; +}; - for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - subgroups.push(select.call(node, node.__data__, i, group)); - parents.push(node); - } - } +// Generates a circle centered at [0°, 0°], with a given radius and precision. +function circleStream(stream, radius, delta, direction, t0, t1) { + if (!delta) return; + var cosRadius = cos$1(radius), + sinRadius = sin$1(radius), + step = direction * delta; + if (t0 == null) { + t0 = radius + direction * tau$3; + t1 = radius - step / 2; + } else { + t0 = circleRadius(cosRadius, t0); + t1 = circleRadius(cosRadius, t1); + if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$3; + } + for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) { + point = spherical([cosRadius, -sinRadius * cos$1(t), -sinRadius * sin$1(t)]); + stream.point(point[0], point[1]); } +} - return new Selection(subgroups, parents); -}; +// Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0]. +function circleRadius(cosRadius, point) { + point = cartesian(point), point[0] -= cosRadius; + cartesianNormalizeInPlace(point); + var radius = acos(-point[1]); + return ((-point[2] < 0 ? -radius : radius) + tau$3 - epsilon$2) % tau$3; +} -var selection_filter = function(match) { - if (typeof match !== "function") match = matcher$1(match); +var circle = function() { + var center = constant$7([0, 0]), + radius = constant$7(90), + precision = constant$7(6), + ring, + rotate, + stream = {point: point}; - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { - if ((node = group[i]) && match.call(node, node.__data__, i, group)) { - subgroup.push(node); - } - } + function point(x, y) { + ring.push(x = rotate(x, y)); + x[0] *= degrees$1, x[1] *= degrees$1; } - return new Selection(subgroups, this._parents); -}; + function circle() { + var c = center.apply(this, arguments), + r = radius.apply(this, arguments) * radians, + p = precision.apply(this, arguments) * radians; + ring = []; + rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert; + circleStream(stream, r, p, 1); + c = {type: "Polygon", coordinates: [ring]}; + ring = rotate = null; + return c; + } -var sparse = function(update) { - return new Array(update.length); -}; + circle.center = function(_) { + return arguments.length ? (center = typeof _ === "function" ? _ : constant$7([+_[0], +_[1]]), circle) : center; + }; -var selection_enter = function() { - return new Selection(this._enter || this._groups.map(sparse), this._parents); -}; + circle.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), circle) : radius; + }; -function EnterNode(parent, datum) { - this.ownerDocument = parent.ownerDocument; - this.namespaceURI = parent.namespaceURI; - this._next = null; - this._parent = parent; - this.__data__ = datum; -} + circle.precision = function(_) { + return arguments.length ? (precision = typeof _ === "function" ? _ : constant$7(+_), circle) : precision; + }; -EnterNode.prototype = { - constructor: EnterNode, - appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, - insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, - querySelector: function(selector) { return this._parent.querySelector(selector); }, - querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } + return circle; }; -var constant$5 = function(x) { - return function() { - return x; +var clipBuffer = function() { + var lines = [], + line; + return { + point: function(x, y) { + line.push([x, y]); + }, + lineStart: function() { + lines.push(line = []); + }, + lineEnd: noop$1, + rejoin: function() { + if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); + }, + result: function() { + var result = lines; + lines = []; + line = null; + return result; + } }; }; -var keyPrefix = "$"; // Protect against keys like “__proto__”. - -function bindIndex(parent, group, enter, update, exit, data) { - var i = 0, - node, - groupLength = group.length, - dataLength = data.length; - - // Put any non-null nodes that fit into update. - // Put any null nodes into enter. - // Put any remaining data into enter. - for (; i < dataLength; ++i) { - if (node = group[i]) { - node.__data__ = data[i]; - update[i] = node; - } else { - enter[i] = new EnterNode(parent, data[i]); - } - } +var clipLine = function(a, b, x0, y0, x1, y1) { + var ax = a[0], + ay = a[1], + bx = b[0], + by = b[1], + t0 = 0, + t1 = 1, + dx = bx - ax, + dy = by - ay, + r; - // Put any non-null nodes that don’t fit into exit. - for (; i < groupLength; ++i) { - if (node = group[i]) { - exit[i] = node; - } + r = x0 - ax; + if (!dx && r > 0) return; + r /= dx; + if (dx < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dx > 0) { + if (r > t1) return; + if (r > t0) t0 = r; } -} - -function bindKey(parent, group, enter, update, exit, data, key) { - var i, - node, - nodeByKeyValue = {}, - groupLength = group.length, - dataLength = data.length, - keyValues = new Array(groupLength), - keyValue; - // Compute the key for each node. - // If multiple nodes have the same key, the duplicates are added to exit. - for (i = 0; i < groupLength; ++i) { - if (node = group[i]) { - keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group); - if (keyValue in nodeByKeyValue) { - exit[i] = node; - } else { - nodeByKeyValue[keyValue] = node; - } - } + r = x1 - ax; + if (!dx && r < 0) return; + r /= dx; + if (dx < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dx > 0) { + if (r < t0) return; + if (r < t1) t1 = r; } - // Compute the key for each datum. - // If there a node associated with this key, join and add it to update. - // If there is not (or the key is a duplicate), add it to enter. - for (i = 0; i < dataLength; ++i) { - keyValue = keyPrefix + key.call(parent, data[i], i, data); - if (node = nodeByKeyValue[keyValue]) { - update[i] = node; - node.__data__ = data[i]; - nodeByKeyValue[keyValue] = null; - } else { - enter[i] = new EnterNode(parent, data[i]); - } + r = y0 - ay; + if (!dy && r > 0) return; + r /= dy; + if (dy < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dy > 0) { + if (r > t1) return; + if (r > t0) t0 = r; } - // Add any remaining nodes that were not bound to data to exit. - for (i = 0; i < groupLength; ++i) { - if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) { - exit[i] = node; - } + r = y1 - ay; + if (!dy && r < 0) return; + r /= dy; + if (dy < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dy > 0) { + if (r < t0) return; + if (r < t1) t1 = r; } -} -var selection_data = function(value, key) { - if (!value) { - data = new Array(this.size()), j = -1; - this.each(function(d) { data[++j] = d; }); - return data; - } + if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; + if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; + return true; +}; - var bind = key ? bindKey : bindIndex, - parents = this._parents, - groups = this._groups; +var pointEqual = function(a, b) { + return abs(a[0] - b[0]) < epsilon$2 && abs(a[1] - b[1]) < epsilon$2; +}; - if (typeof value !== "function") value = constant$5(value); +function Intersection(point, points, other, entry) { + this.x = point; + this.z = points; + this.o = other; // another intersection + this.e = entry; // is an entry? + this.v = false; // visited + this.n = this.p = null; // next & previous +} - for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) { - var parent = parents[j], - group = groups[j], - groupLength = group.length, - data = value.call(parent, parent && parent.__data__, j, parents), - dataLength = data.length, - enterGroup = enter[j] = new Array(dataLength), - updateGroup = update[j] = new Array(dataLength), - exitGroup = exit[j] = new Array(groupLength); +// A generalized polygon clipping algorithm: given a polygon that has been cut +// into its visible line segments, and rejoins the segments by interpolating +// along the clip edge. +var clipPolygon = function(segments, compareIntersection, startInside, interpolate, stream) { + var subject = [], + clip = [], + i, + n; - bind(parent, group, enterGroup, updateGroup, exitGroup, data, key); + segments.forEach(function(segment) { + if ((n = segment.length - 1) <= 0) return; + var n, p0 = segment[0], p1 = segment[n], x; - // Now connect the enter nodes to their following update node, such that - // appendChild can insert the materialized enter node before this node, - // rather than at the end of the parent node. - for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) { - if (previous = enterGroup[i0]) { - if (i0 >= i1) i1 = i0 + 1; - while (!(next = updateGroup[i1]) && ++i1 < dataLength); - previous._next = next || null; - } + // If the first and last points of a segment are coincident, then treat as a + // closed ring. TODO if all rings are closed, then the winding order of the + // exterior ring should be checked. + if (pointEqual(p0, p1)) { + stream.lineStart(); + for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]); + stream.lineEnd(); + return; } - } - update = new Selection(update, parents); - update._enter = enter; - update._exit = exit; - return update; -}; + subject.push(x = new Intersection(p0, segment, null, true)); + clip.push(x.o = new Intersection(p0, null, x, false)); + subject.push(x = new Intersection(p1, segment, null, false)); + clip.push(x.o = new Intersection(p1, null, x, true)); + }); -var selection_exit = function() { - return new Selection(this._exit || this._groups.map(sparse), this._parents); -}; + if (!subject.length) return; -var selection_merge = function(selection) { + clip.sort(compareIntersection); + link$1(subject); + link$1(clip); - for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { - for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group0[i] || group1[i]) { - merge[i] = node; - } - } + for (i = 0, n = clip.length; i < n; ++i) { + clip[i].e = startInside = !startInside; } - for (; j < m0; ++j) { - merges[j] = groups0[j]; - } + var start = subject[0], + points, + point; - return new Selection(merges, this._parents); + while (1) { + // Find first unvisited intersection. + var current = start, + isSubject = true; + while (current.v) if ((current = current.n) === start) return; + points = current.z; + stream.lineStart(); + do { + current.v = current.o.v = true; + if (current.e) { + if (isSubject) { + for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.n.x, 1, stream); + } + current = current.n; + } else { + if (isSubject) { + points = current.p.z; + for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.p.x, -1, stream); + } + current = current.p; + } + current = current.o; + points = current.z; + isSubject = !isSubject; + } while (!current.v); + stream.lineEnd(); + } }; -var selection_order = function() { - - for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { - for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) { - if (node = group[i]) { - if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); - next = node; - } - } +function link$1(array) { + if (!(n = array.length)) return; + var n, + i = 0, + a = array[0], + b; + while (++i < n) { + a.n = b = array[i]; + b.p = a; + a = b; } + a.n = b = array[0]; + b.p = a; +} - return this; -}; +var clipMax = 1e9; +var clipMin = -clipMax; -var selection_sort = function(compare) { - if (!compare) compare = ascending$2; +// TODO Use d3-polygon’s polygonContains here for the ring check? +// TODO Eliminate duplicate buffering in clipBuffer and polygon.push? - function compareNode(a, b) { - return a && b ? compare(a.__data__, b.__data__) : !a - !b; +function clipExtent(x0, y0, x1, y1) { + + function visible(x, y) { + return x0 <= x && x <= x1 && y0 <= y && y <= y1; } - for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group[i]) { - sortgroup[i] = node; - } + function interpolate(from, to, direction, stream) { + var a = 0, a1 = 0; + if (from == null + || (a = corner(from, direction)) !== (a1 = corner(to, direction)) + || comparePoint(from, to) < 0 ^ direction > 0) { + do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); + while ((a = (a + direction + 4) % 4) !== a1); + } else { + stream.point(to[0], to[1]); } - sortgroup.sort(compareNode); } - return new Selection(sortgroups, this._parents).order(); -}; + function corner(p, direction) { + return abs(p[0] - x0) < epsilon$2 ? direction > 0 ? 0 : 3 + : abs(p[0] - x1) < epsilon$2 ? direction > 0 ? 2 : 1 + : abs(p[1] - y0) < epsilon$2 ? direction > 0 ? 1 : 0 + : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon + } -function ascending$2(a, b) { - return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; -} + function compareIntersection(a, b) { + return comparePoint(a.x, b.x); + } -var selection_call = function() { - var callback = arguments[0]; - arguments[0] = this; - callback.apply(null, arguments); - return this; -}; + function comparePoint(a, b) { + var ca = corner(a, 1), + cb = corner(b, 1); + return ca !== cb ? ca - cb + : ca === 0 ? b[1] - a[1] + : ca === 1 ? a[0] - b[0] + : ca === 2 ? a[1] - b[1] + : b[0] - a[0]; + } -var selection_nodes = function() { - var nodes = new Array(this.size()), i = -1; - this.each(function() { nodes[++i] = this; }); - return nodes; -}; + return function(stream) { + var activeStream = stream, + bufferStream = clipBuffer(), + segments, + polygon, + ring, + x__, y__, v__, // first point + x_, y_, v_, // previous point + first, + clean; -var selection_node = function() { + var clipStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: polygonStart, + polygonEnd: polygonEnd + }; - for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { - for (var group = groups[j], i = 0, n = group.length; i < n; ++i) { - var node = group[i]; - if (node) return node; + function point(x, y) { + if (visible(x, y)) activeStream.point(x, y); } - } - return null; -}; + function polygonInside() { + var winding = 0; -var selection_size = function() { - var size = 0; - this.each(function() { ++size; }); - return size; -}; + for (var i = 0, n = polygon.length; i < n; ++i) { + for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { + a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; + if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } + else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } + } + } -var selection_empty = function() { - return !this.node(); -}; + return winding; + } -var selection_each = function(callback) { + // Buffer geometry within a polygon and then clip it en masse. + function polygonStart() { + activeStream = bufferStream, segments = [], polygon = [], clean = true; + } - for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { - for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { - if (node = group[i]) callback.call(node, node.__data__, i, group); + function polygonEnd() { + var startInside = polygonInside(), + cleanInside = clean && startInside, + visible = (segments = merge(segments)).length; + if (cleanInside || visible) { + stream.polygonStart(); + if (cleanInside) { + stream.lineStart(); + interpolate(null, null, 1, stream); + stream.lineEnd(); + } + if (visible) { + clipPolygon(segments, compareIntersection, startInside, interpolate, stream); + } + stream.polygonEnd(); + } + activeStream = stream, segments = polygon = ring = null; } - } - return this; -}; + function lineStart() { + clipStream.point = linePoint; + if (polygon) polygon.push(ring = []); + first = true; + v_ = false; + x_ = y_ = NaN; + } -function attrRemove(name) { - return function() { - this.removeAttribute(name); - }; -} + // TODO rather than special-case polygons, simply handle them separately. + // Ideally, coincident intersection points should be jittered to avoid + // clipping issues. + function lineEnd() { + if (segments) { + linePoint(x__, y__); + if (v__ && v_) bufferStream.rejoin(); + segments.push(bufferStream.result()); + } + clipStream.point = point; + if (v_) activeStream.lineEnd(); + } -function attrRemoveNS(fullname) { - return function() { - this.removeAttributeNS(fullname.space, fullname.local); - }; -} + function linePoint(x, y) { + var v = visible(x, y); + if (polygon) ring.push([x, y]); + if (first) { + x__ = x, y__ = y, v__ = v; + first = false; + if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + } + } else { + if (v && v_) activeStream.point(x, y); + else { + var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], + b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; + if (clipLine(a, b, x0, y0, x1, y1)) { + if (!v_) { + activeStream.lineStart(); + activeStream.point(a[0], a[1]); + } + activeStream.point(b[0], b[1]); + if (!v) activeStream.lineEnd(); + clean = false; + } else if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + clean = false; + } + } + } + x_ = x, y_ = y, v_ = v; + } -function attrConstant(name, value) { - return function() { - this.setAttribute(name, value); + return clipStream; }; } -function attrConstantNS(fullname, value) { - return function() { - this.setAttributeNS(fullname.space, fullname.local, value); - }; -} +var extent$1 = function() { + var x0 = 0, + y0 = 0, + x1 = 960, + y1 = 500, + cache, + cacheStream, + clip; -function attrFunction(name, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.removeAttribute(name); - else this.setAttribute(name, v); + return clip = { + stream: function(stream) { + return cache && cacheStream === stream ? cache : cache = clipExtent(x0, y0, x1, y1)(cacheStream = stream); + }, + extent: function(_) { + return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; + } }; -} +}; -function attrFunctionNS(fullname, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.removeAttributeNS(fullname.space, fullname.local); - else this.setAttributeNS(fullname.space, fullname.local, v); - }; -} +var sum$1 = adder(); -var selection_attr = function(name, value) { - var fullname = namespace(name); +var polygonContains = function(polygon, point) { + var lambda = point[0], + phi = point[1], + normal = [sin$1(lambda), -cos$1(lambda), 0], + angle = 0, + winding = 0; - if (arguments.length < 2) { - var node = this.node(); - return fullname.local - ? node.getAttributeNS(fullname.space, fullname.local) - : node.getAttribute(fullname); - } + sum$1.reset(); - return this.each((value == null - ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" - ? (fullname.local ? attrFunctionNS : attrFunction) - : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); -}; + for (var i = 0, n = polygon.length; i < n; ++i) { + if (!(m = (ring = polygon[i]).length)) continue; + var ring, + m, + point0 = ring[m - 1], + lambda0 = point0[0], + phi0 = point0[1] / 2 + quarterPi, + sinPhi0 = sin$1(phi0), + cosPhi0 = cos$1(phi0); -var window = function(node) { - return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node - || (node.document && node) // node is a Window - || node.defaultView; // node is a Document -}; + for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { + var point1 = ring[j], + lambda1 = point1[0], + phi1 = point1[1] / 2 + quarterPi, + sinPhi1 = sin$1(phi1), + cosPhi1 = cos$1(phi1), + delta = lambda1 - lambda0, + sign$$1 = delta >= 0 ? 1 : -1, + absDelta = sign$$1 * delta, + antimeridian = absDelta > pi$3, + k = sinPhi0 * sinPhi1; -function styleRemove(name) { - return function() { - this.style.removeProperty(name); - }; -} + sum$1.add(atan2(k * sign$$1 * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); + angle += antimeridian ? delta + sign$$1 * tau$3 : delta; -function styleConstant(name, value, priority) { - return function() { - this.style.setProperty(name, value, priority); - }; -} + // Are the longitudes either side of the point’s meridian (lambda), + // and are the latitudes smaller than the parallel (phi)? + if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) { + var arc = cartesianCross(cartesian(point0), cartesian(point1)); + cartesianNormalizeInPlace(arc); + var intersection = cartesianCross(normal, arc); + cartesianNormalizeInPlace(intersection); + var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin(intersection[2]); + if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) { + winding += antimeridian ^ delta >= 0 ? 1 : -1; + } + } + } + } -function styleFunction(name, value, priority) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.style.removeProperty(name); - else this.style.setProperty(name, v, priority); - }; -} + // First, determine whether the South pole is inside or outside: + // + // It is inside if: + // * the polygon winds around it in a clockwise direction. + // * the polygon does not (cumulatively) wind around it, but has a negative + // (counter-clockwise) area. + // + // Second, count the (signed) number of times a segment crosses a lambda + // from the point to the South pole. If it is zero, then the point is the + // same side as the South pole. -var selection_style = function(name, value, priority) { - var node; - return arguments.length > 1 - ? this.each((value == null - ? styleRemove : typeof value === "function" - ? styleFunction - : styleConstant)(name, value, priority == null ? "" : priority)) - : window(node = this.node()) - .getComputedStyle(node, null) - .getPropertyValue(name); + return (angle < -epsilon$2 || angle < epsilon$2 && sum$1 < -epsilon$2) ^ (winding & 1); }; -function propertyRemove(name) { - return function() { - delete this[name]; - }; -} - -function propertyConstant(name, value) { - return function() { - this[name] = value; - }; -} - -function propertyFunction(name, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) delete this[name]; - else this[name] = v; - }; -} +var lengthSum = adder(); +var lambda0$2; +var sinPhi0$1; +var cosPhi0$1; -var selection_property = function(name, value) { - return arguments.length > 1 - ? this.each((value == null - ? propertyRemove : typeof value === "function" - ? propertyFunction - : propertyConstant)(name, value)) - : this.node()[name]; +var lengthStream = { + sphere: noop$1, + point: noop$1, + lineStart: lengthLineStart, + lineEnd: noop$1, + polygonStart: noop$1, + polygonEnd: noop$1 }; -function classArray(string) { - return string.trim().split(/^|\s+/); -} - -function classList(node) { - return node.classList || new ClassList(node); +function lengthLineStart() { + lengthStream.point = lengthPointFirst; + lengthStream.lineEnd = lengthLineEnd; } -function ClassList(node) { - this._node = node; - this._names = classArray(node.getAttribute("class") || ""); +function lengthLineEnd() { + lengthStream.point = lengthStream.lineEnd = noop$1; } -ClassList.prototype = { - add: function(name) { - var i = this._names.indexOf(name); - if (i < 0) { - this._names.push(name); - this._node.setAttribute("class", this._names.join(" ")); - } - }, - remove: function(name) { - var i = this._names.indexOf(name); - if (i >= 0) { - this._names.splice(i, 1); - this._node.setAttribute("class", this._names.join(" ")); - } - }, - contains: function(name) { - return this._names.indexOf(name) >= 0; - } -}; - -function classedAdd(node, names) { - var list = classList(node), i = -1, n = names.length; - while (++i < n) list.add(names[i]); +function lengthPointFirst(lambda, phi) { + lambda *= radians, phi *= radians; + lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi); + lengthStream.point = lengthPoint; } -function classedRemove(node, names) { - var list = classList(node), i = -1, n = names.length; - while (++i < n) list.remove(names[i]); +function lengthPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var sinPhi = sin$1(phi), + cosPhi = cos$1(phi), + delta = abs(lambda - lambda0$2), + cosDelta = cos$1(delta), + sinDelta = sin$1(delta), + x = cosPhi * sinDelta, + y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, + z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; + lengthSum.add(atan2(sqrt(x * x + y * y), z)); + lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; } -function classedTrue(names) { - return function() { - classedAdd(this, names); - }; -} +var length$1 = function(object) { + lengthSum.reset(); + geoStream(object, lengthStream); + return +lengthSum; +}; -function classedFalse(names) { - return function() { - classedRemove(this, names); - }; -} +var coordinates = [null, null]; +var object$1 = {type: "LineString", coordinates: coordinates}; -function classedFunction(names, value) { - return function() { - (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names); - }; -} +var distance = function(a, b) { + coordinates[0] = a; + coordinates[1] = b; + return length$1(object$1); +}; -var selection_classed = function(name, value) { - var names = classArray(name + ""); +var containsObjectType = { + Feature: function(object, point) { + return containsGeometry(object.geometry, point); + }, + FeatureCollection: function(object, point) { + var features = object.features, i = -1, n = features.length; + while (++i < n) if (containsGeometry(features[i].geometry, point)) return true; + return false; + } +}; - if (arguments.length < 2) { - var list = classList(this.node()), i = -1, n = names.length; - while (++i < n) if (!list.contains(names[i])) return false; +var containsGeometryType = { + Sphere: function() { return true; + }, + Point: function(object, point) { + return containsPoint(object.coordinates, point); + }, + MultiPoint: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsPoint(coordinates[i], point)) return true; + return false; + }, + LineString: function(object, point) { + return containsLine(object.coordinates, point); + }, + MultiLineString: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsLine(coordinates[i], point)) return true; + return false; + }, + Polygon: function(object, point) { + return containsPolygon(object.coordinates, point); + }, + MultiPolygon: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsPolygon(coordinates[i], point)) return true; + return false; + }, + GeometryCollection: function(object, point) { + var geometries = object.geometries, i = -1, n = geometries.length; + while (++i < n) if (containsGeometry(geometries[i], point)) return true; + return false; } - - return this.each((typeof value === "function" - ? classedFunction : value - ? classedTrue - : classedFalse)(names, value)); }; -function textRemove() { - this.textContent = ""; +function containsGeometry(geometry, point) { + return geometry && containsGeometryType.hasOwnProperty(geometry.type) + ? containsGeometryType[geometry.type](geometry, point) + : false; } -function textConstant(value) { - return function() { - this.textContent = value; - }; +function containsPoint(coordinates, point) { + return distance(coordinates, point) === 0; } -function textFunction(value) { - return function() { - var v = value.apply(this, arguments); - this.textContent = v == null ? "" : v; - }; +function containsLine(coordinates, point) { + var ab = distance(coordinates[0], coordinates[1]), + ao = distance(coordinates[0], point), + ob = distance(point, coordinates[1]); + return ao + ob <= ab + epsilon$2; } -var selection_text = function(value) { - return arguments.length - ? this.each(value == null - ? textRemove : (typeof value === "function" - ? textFunction - : textConstant)(value)) - : this.node().textContent; -}; - -function htmlRemove() { - this.innerHTML = ""; +function containsPolygon(coordinates, point) { + return !!polygonContains(coordinates.map(ringRadians), pointRadians(point)); } -function htmlConstant(value) { - return function() { - this.innerHTML = value; - }; +function ringRadians(ring) { + return ring = ring.map(pointRadians), ring.pop(), ring; } -function htmlFunction(value) { - return function() { - var v = value.apply(this, arguments); - this.innerHTML = v == null ? "" : v; - }; +function pointRadians(point) { + return [point[0] * radians, point[1] * radians]; } -var selection_html = function(value) { - return arguments.length - ? this.each(value == null - ? htmlRemove : (typeof value === "function" - ? htmlFunction - : htmlConstant)(value)) - : this.node().innerHTML; +var contains = function(object, point) { + return (object && containsObjectType.hasOwnProperty(object.type) + ? containsObjectType[object.type] + : containsGeometry)(object, point); }; -function raise$1() { - if (this.nextSibling) this.parentNode.appendChild(this); +function graticuleX(y0, y1, dy) { + var y = sequence(y0, y1 - epsilon$2, dy).concat(y1); + return function(x) { return y.map(function(y) { return [x, y]; }); }; } -var selection_raise = function() { - return this.each(raise$1); -}; - -function lower() { - if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); +function graticuleY(x0, x1, dx) { + var x = sequence(x0, x1 - epsilon$2, dx).concat(x1); + return function(y) { return x.map(function(x) { return [x, y]; }); }; } -var selection_lower = function() { - return this.each(lower); -}; - -var selection_append = function(name) { - var create = typeof name === "function" ? name : creator(name); - return this.select(function() { - return this.appendChild(create.apply(this, arguments)); - }); -}; - -function constantNull() { - return null; -} +function graticule() { + var x1, x0, X1, X0, + y1, y0, Y1, Y0, + dx = 10, dy = dx, DX = 90, DY = 360, + x, y, X, Y, + precision = 2.5; -var selection_insert = function(name, before) { - var create = typeof name === "function" ? name : creator(name), - select = before == null ? constantNull : typeof before === "function" ? before : selector(before); - return this.select(function() { - return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); - }); -}; + function graticule() { + return {type: "MultiLineString", coordinates: lines()}; + } -function remove() { - var parent = this.parentNode; - if (parent) parent.removeChild(this); -} + function lines() { + return sequence(ceil(X0 / DX) * DX, X1, DX).map(X) + .concat(sequence(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) + .concat(sequence(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$2; }).map(x)) + .concat(sequence(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$2; }).map(y)); + } -var selection_remove = function() { - return this.each(remove); -}; + graticule.lines = function() { + return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); + }; -var selection_datum = function(value) { - return arguments.length - ? this.property("__data__", value) - : this.node().__data__; -}; + graticule.outline = function() { + return { + type: "Polygon", + coordinates: [ + X(X0).concat( + Y(Y1).slice(1), + X(X1).reverse().slice(1), + Y(Y0).reverse().slice(1)) + ] + }; + }; -function dispatchEvent(node, type, params) { - var window$$1 = window(node), - event = window$$1.CustomEvent; + graticule.extent = function(_) { + if (!arguments.length) return graticule.extentMinor(); + return graticule.extentMajor(_).extentMinor(_); + }; - if (event) { - event = new event(type, params); - } else { - event = window$$1.document.createEvent("Event"); - if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; - else event.initEvent(type, false, false); - } + graticule.extentMajor = function(_) { + if (!arguments.length) return [[X0, Y0], [X1, Y1]]; + X0 = +_[0][0], X1 = +_[1][0]; + Y0 = +_[0][1], Y1 = +_[1][1]; + if (X0 > X1) _ = X0, X0 = X1, X1 = _; + if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; + return graticule.precision(precision); + }; - node.dispatchEvent(event); -} + graticule.extentMinor = function(_) { + if (!arguments.length) return [[x0, y0], [x1, y1]]; + x0 = +_[0][0], x1 = +_[1][0]; + y0 = +_[0][1], y1 = +_[1][1]; + if (x0 > x1) _ = x0, x0 = x1, x1 = _; + if (y0 > y1) _ = y0, y0 = y1, y1 = _; + return graticule.precision(precision); + }; -function dispatchConstant(type, params) { - return function() { - return dispatchEvent(this, type, params); + graticule.step = function(_) { + if (!arguments.length) return graticule.stepMinor(); + return graticule.stepMajor(_).stepMinor(_); }; -} -function dispatchFunction(type, params) { - return function() { - return dispatchEvent(this, type, params.apply(this, arguments)); + graticule.stepMajor = function(_) { + if (!arguments.length) return [DX, DY]; + DX = +_[0], DY = +_[1]; + return graticule; }; -} -var selection_dispatch = function(type, params) { - return this.each((typeof params === "function" - ? dispatchFunction - : dispatchConstant)(type, params)); -}; + graticule.stepMinor = function(_) { + if (!arguments.length) return [dx, dy]; + dx = +_[0], dy = +_[1]; + return graticule; + }; -var root = [null]; + graticule.precision = function(_) { + if (!arguments.length) return precision; + precision = +_; + x = graticuleX(y0, y1, 90); + y = graticuleY(x0, x1, precision); + X = graticuleX(Y0, Y1, 90); + Y = graticuleY(X0, X1, precision); + return graticule; + }; -function Selection(groups, parents) { - this._groups = groups; - this._parents = parents; + return graticule + .extentMajor([[-180, -90 + epsilon$2], [180, 90 - epsilon$2]]) + .extentMinor([[-180, -80 - epsilon$2], [180, 80 + epsilon$2]]); } -function selection() { - return new Selection([[document.documentElement]], root); +function graticule10() { + return graticule()(); } -Selection.prototype = selection.prototype = { - constructor: Selection, - select: selection_select, - selectAll: selection_selectAll, - filter: selection_filter, - data: selection_data, - enter: selection_enter, - exit: selection_exit, - merge: selection_merge, - order: selection_order, - sort: selection_sort, - call: selection_call, - nodes: selection_nodes, - node: selection_node, - size: selection_size, - empty: selection_empty, - each: selection_each, - attr: selection_attr, - style: selection_style, - property: selection_property, - classed: selection_classed, - text: selection_text, - html: selection_html, - raise: selection_raise, - lower: selection_lower, - append: selection_append, - insert: selection_insert, - remove: selection_remove, - datum: selection_datum, - on: selection_on, - dispatch: selection_dispatch -}; +var interpolate$1 = function(a, b) { + var x0 = a[0] * radians, + y0 = a[1] * radians, + x1 = b[0] * radians, + y1 = b[1] * radians, + cy0 = cos$1(y0), + sy0 = sin$1(y0), + cy1 = cos$1(y1), + sy1 = sin$1(y1), + kx0 = cy0 * cos$1(x0), + ky0 = cy0 * sin$1(x0), + kx1 = cy1 * cos$1(x1), + ky1 = cy1 * sin$1(x1), + d = 2 * asin(sqrt(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), + k = sin$1(d); + + var interpolate = d ? function(t) { + var B = sin$1(t *= d) / k, + A = sin$1(d - t) / k, + x = A * kx0 + B * kx1, + y = A * ky0 + B * ky1, + z = A * sy0 + B * sy1; + return [ + atan2(y, x) * degrees$1, + atan2(z, sqrt(x * x + y * y)) * degrees$1 + ]; + } : function() { + return [x0 * degrees$1, y0 * degrees$1]; + }; -var select = function(selector) { - return typeof selector === "string" - ? new Selection([[document.querySelector(selector)]], [document.documentElement]) - : new Selection([[selector]], root); + interpolate.distance = d; + + return interpolate; }; -var selectAll = function(selector) { - return typeof selector === "string" - ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) - : new Selection([selector == null ? [] : selector], root); +var identity$4 = function(x) { + return x; }; -var touch = function(node, touches, identifier) { - if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; +var areaSum$1 = adder(); +var areaRingSum$1 = adder(); +var x00; +var y00; +var x0$1; +var y0$1; - for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) { - if ((touch = touches[i]).identifier === identifier) { - return point$5(node, touch); - } +var areaStream$1 = { + point: noop$1, + lineStart: noop$1, + lineEnd: noop$1, + polygonStart: function() { + areaStream$1.lineStart = areaRingStart$1; + areaStream$1.lineEnd = areaRingEnd$1; + }, + polygonEnd: function() { + areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$1; + areaSum$1.add(abs(areaRingSum$1)); + areaRingSum$1.reset(); + }, + result: function() { + var area = areaSum$1 / 2; + areaSum$1.reset(); + return area; } - - return null; }; -var touches = function(node, touches) { - if (touches == null) touches = sourceEvent().touches; +function areaRingStart$1() { + areaStream$1.point = areaPointFirst$1; +} - for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) { - points[i] = point$5(node, touches[i]); - } +function areaPointFirst$1(x, y) { + areaStream$1.point = areaPoint$1; + x00 = x0$1 = x, y00 = y0$1 = y; +} - return points; +function areaPoint$1(x, y) { + areaRingSum$1.add(y0$1 * x - x0$1 * y); + x0$1 = x, y0$1 = y; +} + +function areaRingEnd$1() { + areaPoint$1(x00, y00); +} + +var x0$2 = Infinity; +var y0$2 = x0$2; +var x1 = -x0$2; +var y1 = x1; + +var boundsStream$1 = { + point: boundsPoint$1, + lineStart: noop$1, + lineEnd: noop$1, + polygonStart: noop$1, + polygonEnd: noop$1, + result: function() { + var bounds = [[x0$2, y0$2], [x1, y1]]; + x1 = y1 = -(y0$2 = x0$2 = Infinity); + return bounds; + } }; -var emptyOn = dispatch("start", "end", "interrupt"); -var emptyTween = []; +function boundsPoint$1(x, y) { + if (x < x0$2) x0$2 = x; + if (x > x1) x1 = x; + if (y < y0$2) y0$2 = y; + if (y > y1) y1 = y; +} -var CREATED = 0; -var SCHEDULED = 1; -var STARTING = 2; -var STARTED = 3; -var RUNNING = 4; -var ENDING = 5; -var ENDED = 6; +// TODO Enforce positive area for exterior, negative area for interior? -var schedule = function(node, name, id, index, group, timing) { - var schedules = node.__transition; - if (!schedules) node.__transition = {}; - else if (id in schedules) return; - create(node, id, { - name: name, - index: index, // For context during callback. - group: group, // For context during callback. - on: emptyOn, - tween: emptyTween, - time: timing.time, - delay: timing.delay, - duration: timing.duration, - ease: timing.ease, - timer: null, - state: CREATED - }); +var X0$1 = 0; +var Y0$1 = 0; +var Z0$1 = 0; +var X1$1 = 0; +var Y1$1 = 0; +var Z1$1 = 0; +var X2$1 = 0; +var Y2$1 = 0; +var Z2$1 = 0; +var x00$1; +var y00$1; +var x0$3; +var y0$3; + +var centroidStream$1 = { + point: centroidPoint$1, + lineStart: centroidLineStart$1, + lineEnd: centroidLineEnd$1, + polygonStart: function() { + centroidStream$1.lineStart = centroidRingStart$1; + centroidStream$1.lineEnd = centroidRingEnd$1; + }, + polygonEnd: function() { + centroidStream$1.point = centroidPoint$1; + centroidStream$1.lineStart = centroidLineStart$1; + centroidStream$1.lineEnd = centroidLineEnd$1; + }, + result: function() { + var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] + : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] + : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] + : [NaN, NaN]; + X0$1 = Y0$1 = Z0$1 = + X1$1 = Y1$1 = Z1$1 = + X2$1 = Y2$1 = Z2$1 = 0; + return centroid; + } }; -function init(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id]) || schedule.state > CREATED) throw new Error("too late"); - return schedule; +function centroidPoint$1(x, y) { + X0$1 += x; + Y0$1 += y; + ++Z0$1; } -function set$3(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id]) || schedule.state > STARTING) throw new Error("too late"); - return schedule; +function centroidLineStart$1() { + centroidStream$1.point = centroidPointFirstLine; } -function get$1(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id])) throw new Error("too late"); - return schedule; +function centroidPointFirstLine(x, y) { + centroidStream$1.point = centroidPointLine; + centroidPoint$1(x0$3 = x, y0$3 = y); } -function create(node, id, self) { - var schedules = node.__transition, - tween; +function centroidPointLine(x, y) { + var dx = x - x0$3, dy = y - y0$3, z = sqrt(dx * dx + dy * dy); + X1$1 += z * (x0$3 + x) / 2; + Y1$1 += z * (y0$3 + y) / 2; + Z1$1 += z; + centroidPoint$1(x0$3 = x, y0$3 = y); +} - // Initialize the self timer when the transition is created. - // Note the actual delay is not known until the first callback! - schedules[id] = self; - self.timer = timer(schedule, 0, self.time); +function centroidLineEnd$1() { + centroidStream$1.point = centroidPoint$1; +} - function schedule(elapsed) { - self.state = SCHEDULED; - self.timer.restart(start, self.delay, self.time); +function centroidRingStart$1() { + centroidStream$1.point = centroidPointFirstRing; +} - // If the elapsed delay is less than our first sleep, start immediately. - if (self.delay <= elapsed) start(elapsed - self.delay); - } +function centroidRingEnd$1() { + centroidPointRing(x00$1, y00$1); +} - function start(elapsed) { - var i, j, n, o; +function centroidPointFirstRing(x, y) { + centroidStream$1.point = centroidPointRing; + centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); +} - // If the state is not SCHEDULED, then we previously errored on start. - if (self.state !== SCHEDULED) return stop(); +function centroidPointRing(x, y) { + var dx = x - x0$3, + dy = y - y0$3, + z = sqrt(dx * dx + dy * dy); - for (i in schedules) { - o = schedules[i]; - if (o.name !== self.name) continue; + X1$1 += z * (x0$3 + x) / 2; + Y1$1 += z * (y0$3 + y) / 2; + Z1$1 += z; - // While this element already has a starting transition during this frame, - // defer starting an interrupting transition until that transition has a - // chance to tick (and possibly end); see d3/d3-transition#54! - if (o.state === STARTED) return timeout$1(start); + z = y0$3 * x - x0$3 * y; + X2$1 += z * (x0$3 + x); + Y2$1 += z * (y0$3 + y); + Z2$1 += z * 3; + centroidPoint$1(x0$3 = x, y0$3 = y); +} - // Interrupt the active transition, if any. - // Dispatch the interrupt event. - if (o.state === RUNNING) { - o.state = ENDED; - o.timer.stop(); - o.on.call("interrupt", node, node.__data__, o.index, o.group); - delete schedules[i]; +function PathContext(context) { + this._context = context; +} + +PathContext.prototype = { + _radius: 4.5, + pointRadius: function(_) { + return this._radius = _, this; + }, + polygonStart: function() { + this._line = 0; + }, + polygonEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line === 0) this._context.closePath(); + this._point = NaN; + }, + point: function(x, y) { + switch (this._point) { + case 0: { + this._context.moveTo(x, y); + this._point = 1; + break; } - - // Cancel any pre-empted transitions. No interrupt event is dispatched - // because the cancelled transitions never started. Note that this also - // removes this transition from the pending list! - else if (+i < id) { - o.state = ENDED; - o.timer.stop(); - delete schedules[i]; + case 1: { + this._context.lineTo(x, y); + break; } - } - - // Defer the first tick to end of the current frame; see d3/d3#1576. - // Note the transition may be canceled after start and before the first tick! - // Note this must be scheduled before the start event; see d3/d3-transition#16! - // Assuming this is successful, subsequent callbacks go straight to tick. - timeout$1(function() { - if (self.state === STARTED) { - self.state = RUNNING; - self.timer.restart(tick, self.delay, self.time); - tick(elapsed); + default: { + this._context.moveTo(x + this._radius, y); + this._context.arc(x, y, this._radius, 0, tau$3); + break; } - }); + } + }, + result: noop$1 +}; - // Dispatch the start event. - // Note this must be done before the tween are initialized. - self.state = STARTING; - self.on.call("start", node, node.__data__, self.index, self.group); - if (self.state !== STARTING) return; // interrupted - self.state = STARTED; +var lengthSum$1 = adder(); +var lengthRing; +var x00$2; +var y00$2; +var x0$4; +var y0$4; - // Initialize the tween, deleting null tween. - tween = new Array(n = self.tween.length); - for (i = 0, j = -1; i < n; ++i) { - if (o = self.tween[i].value.call(node, node.__data__, self.index, self.group)) { - tween[++j] = o; - } - } - tween.length = j + 1; +var lengthStream$1 = { + point: noop$1, + lineStart: function() { + lengthStream$1.point = lengthPointFirst$1; + }, + lineEnd: function() { + if (lengthRing) lengthPoint$1(x00$2, y00$2); + lengthStream$1.point = noop$1; + }, + polygonStart: function() { + lengthRing = true; + }, + polygonEnd: function() { + lengthRing = null; + }, + result: function() { + var length = +lengthSum$1; + lengthSum$1.reset(); + return length; } +}; - function tick(elapsed) { - var t = elapsed < self.duration ? self.ease.call(null, elapsed / self.duration) : (self.timer.restart(stop), self.state = ENDING, 1), - i = -1, - n = tween.length; +function lengthPointFirst$1(x, y) { + lengthStream$1.point = lengthPoint$1; + x00$2 = x0$4 = x, y00$2 = y0$4 = y; +} - while (++i < n) { - tween[i].call(null, t); - } +function lengthPoint$1(x, y) { + x0$4 -= x, y0$4 -= y; + lengthSum$1.add(sqrt(x0$4 * x0$4 + y0$4 * y0$4)); + x0$4 = x, y0$4 = y; +} - // Dispatch the end event. - if (self.state === ENDING) { - self.on.call("end", node, node.__data__, self.index, self.group); - stop(); +function PathString() { + this._string = []; +} + +PathString.prototype = { + _circle: circle$1(4.5), + pointRadius: function(_) { + return this._circle = circle$1(_), this; + }, + polygonStart: function() { + this._line = 0; + }, + polygonEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line === 0) this._string.push("Z"); + this._point = NaN; + }, + point: function(x, y) { + switch (this._point) { + case 0: { + this._string.push("M", x, ",", y); + this._point = 1; + break; + } + case 1: { + this._string.push("L", x, ",", y); + break; + } + default: { + this._string.push("M", x, ",", y, this._circle); + break; + } + } + }, + result: function() { + if (this._string.length) { + var result = this._string.join(""); + this._string = []; + return result; } } +}; - function stop() { - self.state = ENDED; - self.timer.stop(); - delete schedules[id]; - for (var i in schedules) return; // eslint-disable-line no-unused-vars - delete node.__transition; - } +function circle$1(radius) { + return "m0," + radius + + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + + "z"; } -var interrupt = function(node, name) { - var schedules = node.__transition, - schedule, - active, - empty = true, - i; +var index$1 = function(projection, context) { + var pointRadius = 4.5, + projectionStream, + contextStream; - if (!schedules) return; + function path(object) { + if (object) { + if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); + geoStream(object, projectionStream(contextStream)); + } + return contextStream.result(); + } - name = name == null ? null : name + ""; + path.area = function(object) { + geoStream(object, projectionStream(areaStream$1)); + return areaStream$1.result(); + }; - for (i in schedules) { - if ((schedule = schedules[i]).name !== name) { empty = false; continue; } - active = schedule.state > STARTING && schedule.state < ENDING; - schedule.state = ENDED; - schedule.timer.stop(); - if (active) schedule.on.call("interrupt", node, node.__data__, schedule.index, schedule.group); - delete schedules[i]; - } + path.measure = function(object) { + geoStream(object, projectionStream(lengthStream$1)); + return lengthStream$1.result(); + }; - if (empty) delete node.__transition; -}; + path.bounds = function(object) { + geoStream(object, projectionStream(boundsStream$1)); + return boundsStream$1.result(); + }; -var selection_interrupt = function(name) { - return this.each(function() { - interrupt(this, name); - }); -}; + path.centroid = function(object) { + geoStream(object, projectionStream(centroidStream$1)); + return centroidStream$1.result(); + }; -function tweenRemove(id, name) { - var tween0, tween1; - return function() { - var schedule = set$3(this, id), - tween = schedule.tween; + path.projection = function(_) { + return arguments.length ? (projectionStream = _ == null ? (projection = null, identity$4) : (projection = _).stream, path) : projection; + }; - // If this node shared tween with the previous node, - // just assign the updated shared tween and we’re done! - // Otherwise, copy-on-write. - if (tween !== tween0) { - tween1 = tween0 = tween; - for (var i = 0, n = tween1.length; i < n; ++i) { - if (tween1[i].name === name) { - tween1 = tween1.slice(); - tween1.splice(i, 1); - break; - } - } - } + path.context = function(_) { + if (!arguments.length) return context; + contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); + if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); + return path; + }; - schedule.tween = tween1; + path.pointRadius = function(_) { + if (!arguments.length) return pointRadius; + pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); + return path; }; -} -function tweenFunction(id, name, value) { - var tween0, tween1; - if (typeof value !== "function") throw new Error; - return function() { - var schedule = set$3(this, id), - tween = schedule.tween; + return path.projection(projection).context(context); +}; - // If this node shared tween with the previous node, - // just assign the updated shared tween and we’re done! - // Otherwise, copy-on-write. - if (tween !== tween0) { - tween1 = (tween0 = tween).slice(); - for (var t = {name: name, value: value}, i = 0, n = tween1.length; i < n; ++i) { - if (tween1[i].name === name) { - tween1[i] = t; - break; +var clip = function(pointVisible, clipLine, interpolate, start) { + return function(rotate, sink) { + var line = clipLine(sink), + rotatedStart = rotate.invert(start[0], start[1]), + ringBuffer = clipBuffer(), + ringSink = clipLine(ringBuffer), + polygonStarted = false, + polygon, + segments, + ring; + + var clip = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + clip.point = pointRing; + clip.lineStart = ringStart; + clip.lineEnd = ringEnd; + segments = []; + polygon = []; + }, + polygonEnd: function() { + clip.point = point; + clip.lineStart = lineStart; + clip.lineEnd = lineEnd; + segments = merge(segments); + var startInside = polygonContains(polygon, rotatedStart); + if (segments.length) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + clipPolygon(segments, compareIntersection, startInside, interpolate, sink); + } else if (startInside) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); } + if (polygonStarted) sink.polygonEnd(), polygonStarted = false; + segments = polygon = null; + }, + sphere: function() { + sink.polygonStart(); + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); + sink.polygonEnd(); } - if (i === n) tween1.push(t); - } - - schedule.tween = tween1; - }; -} + }; -var transition_tween = function(name, value) { - var id = this._id; + function point(lambda, phi) { + var point = rotate(lambda, phi); + if (pointVisible(lambda = point[0], phi = point[1])) sink.point(lambda, phi); + } - name += ""; + function pointLine(lambda, phi) { + var point = rotate(lambda, phi); + line.point(point[0], point[1]); + } - if (arguments.length < 2) { - var tween = get$1(this.node(), id).tween; - for (var i = 0, n = tween.length, t; i < n; ++i) { - if ((t = tween[i]).name === name) { - return t.value; - } + function lineStart() { + clip.point = pointLine; + line.lineStart(); } - return null; - } - return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); -}; + function lineEnd() { + clip.point = point; + line.lineEnd(); + } -function tweenValue(transition, name, value) { - var id = transition._id; + function pointRing(lambda, phi) { + ring.push([lambda, phi]); + var point = rotate(lambda, phi); + ringSink.point(point[0], point[1]); + } - transition.each(function() { - var schedule = set$3(this, id); - (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); - }); + function ringStart() { + ringSink.lineStart(); + ring = []; + } - return function(node) { - return get$1(node, id).value[name]; - }; -} + function ringEnd() { + pointRing(ring[0][0], ring[0][1]); + ringSink.lineEnd(); -var interpolate$1 = function(a, b) { - var c; - return (typeof b === "number" ? interpolateNumber - : b instanceof color ? interpolateRgb - : (c = color(b)) ? (b = c, interpolateRgb) - : interpolateString)(a, b); -}; + var clean = ringSink.clean(), + ringSegments = ringBuffer.result(), + i, n = ringSegments.length, m, + segment, + point; -function attrRemove$1(name) { - return function() { - this.removeAttribute(name); - }; -} + ring.pop(); + polygon.push(ring); + ring = null; -function attrRemoveNS$1(fullname) { - return function() { - this.removeAttributeNS(fullname.space, fullname.local); - }; -} + if (!n) return; -function attrConstant$1(name, interpolate$$1, value1) { - var value00, - interpolate0; - return function() { - var value0 = this.getAttribute(name); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value1); - }; -} + // No intersections. + if (clean & 1) { + segment = ringSegments[0]; + if ((m = segment.length - 1) > 0) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); + sink.lineEnd(); + } + return; + } -function attrConstantNS$1(fullname, interpolate$$1, value1) { - var value00, - interpolate0; - return function() { - var value0 = this.getAttributeNS(fullname.space, fullname.local); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value1); - }; -} + // Rejoin connected segments. + // TODO reuse ringBuffer.rejoin()? + if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); -function attrFunction$1(name, interpolate$$1, value) { - var value00, - value10, - interpolate0; - return function() { - var value0, value1 = value(this); - if (value1 == null) return void this.removeAttribute(name); - value0 = this.getAttribute(name); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); - }; -} + segments.push(ringSegments.filter(validSegment)); + } -function attrFunctionNS$1(fullname, interpolate$$1, value) { - var value00, - value10, - interpolate0; - return function() { - var value0, value1 = value(this); - if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local); - value0 = this.getAttributeNS(fullname.space, fullname.local); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + return clip; }; -} - -var transition_attr = function(name, value) { - var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate$1; - return this.attrTween(name, typeof value === "function" - ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) - : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) - : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); -}; - -function attrTweenNS(fullname, value) { - function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.setAttributeNS(fullname.space, fullname.local, i(t)); - }; - } - tween._value = value; - return tween; -} - -function attrTween(name, value) { - function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.setAttribute(name, i(t)); - }; - } - tween._value = value; - return tween; -} - -var transition_attrTween = function(name, value) { - var key = "attr." + name; - if (arguments.length < 2) return (key = this.tween(key)) && key._value; - if (value == null) return this.tween(key, null); - if (typeof value !== "function") throw new Error; - var fullname = namespace(name); - return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value)); }; -function delayFunction(id, value) { - return function() { - init(this, id).delay = +value.apply(this, arguments); - }; +function validSegment(segment) { + return segment.length > 1; } -function delayConstant(id, value) { - return value = +value, function() { - init(this, id).delay = value; - }; +// Intersections are sorted along the clip edge. For both antimeridian cutting +// and circle clipping, the same comparison is used. +function compareIntersection(a, b) { + return ((a = a.x)[0] < 0 ? a[1] - halfPi$2 - epsilon$2 : halfPi$2 - a[1]) + - ((b = b.x)[0] < 0 ? b[1] - halfPi$2 - epsilon$2 : halfPi$2 - b[1]); } -var transition_delay = function(value) { - var id = this._id; - - return arguments.length - ? this.each((typeof value === "function" - ? delayFunction - : delayConstant)(id, value)) - : get$1(this.node(), id).delay; -}; +var clipAntimeridian = clip( + function() { return true; }, + clipAntimeridianLine, + clipAntimeridianInterpolate, + [-pi$3, -halfPi$2] +); -function durationFunction(id, value) { - return function() { - set$3(this, id).duration = +value.apply(this, arguments); - }; -} +// Takes a line and cuts into visible segments. Return values: 0 - there were +// intersections or the line was empty; 1 - no intersections; 2 - there were +// intersections, and the first and last segments should be rejoined. +function clipAntimeridianLine(stream) { + var lambda0 = NaN, + phi0 = NaN, + sign0 = NaN, + clean; // no intersections -function durationConstant(id, value) { - return value = +value, function() { - set$3(this, id).duration = value; + return { + lineStart: function() { + stream.lineStart(); + clean = 1; + }, + point: function(lambda1, phi1) { + var sign1 = lambda1 > 0 ? pi$3 : -pi$3, + delta = abs(lambda1 - lambda0); + if (abs(delta - pi$3) < epsilon$2) { // line crosses a pole + stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$2 : -halfPi$2); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + stream.point(lambda1, phi0); + clean = 0; + } else if (sign0 !== sign1 && delta >= pi$3) { // line crosses antimeridian + if (abs(lambda0 - sign0) < epsilon$2) lambda0 -= sign0 * epsilon$2; // handle degeneracies + if (abs(lambda1 - sign1) < epsilon$2) lambda1 -= sign1 * epsilon$2; + phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + clean = 0; + } + stream.point(lambda0 = lambda1, phi0 = phi1); + sign0 = sign1; + }, + lineEnd: function() { + stream.lineEnd(); + lambda0 = phi0 = NaN; + }, + clean: function() { + return 2 - clean; // if intersections, rejoin first and last segments + } }; } -var transition_duration = function(value) { - var id = this._id; - - return arguments.length - ? this.each((typeof value === "function" - ? durationFunction - : durationConstant)(id, value)) - : get$1(this.node(), id).duration; -}; - -function easeConstant(id, value) { - if (typeof value !== "function") throw new Error; - return function() { - set$3(this, id).ease = value; - }; +function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { + var cosPhi0, + cosPhi1, + sinLambda0Lambda1 = sin$1(lambda0 - lambda1); + return abs(sinLambda0Lambda1) > epsilon$2 + ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) + - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) + / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) + : (phi0 + phi1) / 2; } -var transition_ease = function(value) { - var id = this._id; - - return arguments.length - ? this.each(easeConstant(id, value)) - : get$1(this.node(), id).ease; -}; - -var transition_filter = function(match) { - if (typeof match !== "function") match = matcher$1(match); - - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { - if ((node = group[i]) && match.call(node, node.__data__, i, group)) { - subgroup.push(node); - } - } +function clipAntimeridianInterpolate(from, to, direction, stream) { + var phi; + if (from == null) { + phi = direction * halfPi$2; + stream.point(-pi$3, phi); + stream.point(0, phi); + stream.point(pi$3, phi); + stream.point(pi$3, 0); + stream.point(pi$3, -phi); + stream.point(0, -phi); + stream.point(-pi$3, -phi); + stream.point(-pi$3, 0); + stream.point(-pi$3, phi); + } else if (abs(from[0] - to[0]) > epsilon$2) { + var lambda = from[0] < to[0] ? pi$3 : -pi$3; + phi = direction * lambda / 2; + stream.point(-lambda, phi); + stream.point(0, phi); + stream.point(lambda, phi); + } else { + stream.point(to[0], to[1]); } +} - return new Transition(subgroups, this._parents, this._name, this._id); -}; - -var transition_merge = function(transition) { - if (transition._id !== this._id) throw new Error; +var clipCircle = function(radius, delta) { + var cr = cos$1(radius), + smallRadius = cr > 0, + notHemisphere = abs(cr) > epsilon$2; // TODO optimise for this common case - for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { - for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group0[i] || group1[i]) { - merge[i] = node; - } - } + function interpolate(from, to, direction, stream) { + circleStream(stream, radius, delta, direction, from, to); } - for (; j < m0; ++j) { - merges[j] = groups0[j]; + function visible(lambda, phi) { + return cos$1(lambda) * cos$1(phi) > cr; } - return new Transition(merges, this._parents, this._name, this._id); -}; - -function start$1(name) { - return (name + "").trim().split(/^|\s+/).every(function(t) { - var i = t.indexOf("."); - if (i >= 0) t = t.slice(0, i); - return !t || t === "start"; - }); -} - -function onFunction(id, name, listener) { - var on0, on1, sit = start$1(name) ? init : set$3; - return function() { - var schedule = sit(this, id), - on = schedule.on; - - // If this node shared a dispatch with the previous node, - // just assign the updated shared dispatch and we’re done! - // Otherwise, copy-on-write. - if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener); - - schedule.on = on1; - }; -} + // Takes a line and cuts into visible segments. Return values used for polygon + // clipping: 0 - there were intersections or the line was empty; 1 - no + // intersections 2 - there were intersections, and the first and last segments + // should be rejoined. + function clipLine(stream) { + var point0, // previous point + c0, // code for previous point + v0, // visibility of previous point + v00, // visibility of first point + clean; // no intersections + return { + lineStart: function() { + v00 = v0 = false; + clean = 1; + }, + point: function(lambda, phi) { + var point1 = [lambda, phi], + point2, + v = visible(lambda, phi), + c = smallRadius + ? v ? 0 : code(lambda, phi) + : v ? code(lambda + (lambda < 0 ? pi$3 : -pi$3), phi) : 0; + if (!point0 && (v00 = v0 = v)) stream.lineStart(); + // Handle degeneracies. + // TODO ignore if not clipping polygons. + if (v !== v0) { + point2 = intersect(point0, point1); + if (pointEqual(point0, point2) || pointEqual(point1, point2)) { + point1[0] += epsilon$2; + point1[1] += epsilon$2; + v = visible(point1[0], point1[1]); + } + } + if (v !== v0) { + clean = 0; + if (v) { + // outside going in + stream.lineStart(); + point2 = intersect(point1, point0); + stream.point(point2[0], point2[1]); + } else { + // inside going out + point2 = intersect(point0, point1); + stream.point(point2[0], point2[1]); + stream.lineEnd(); + } + point0 = point2; + } else if (notHemisphere && point0 && smallRadius ^ v) { + var t; + // If the codes for two points are different, or are both zero, + // and there this segment intersects with the small circle. + if (!(c & c0) && (t = intersect(point1, point0, true))) { + clean = 0; + if (smallRadius) { + stream.lineStart(); + stream.point(t[0][0], t[0][1]); + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); + } else { + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); + stream.lineStart(); + stream.point(t[0][0], t[0][1]); + } + } + } + if (v && (!point0 || !pointEqual(point0, point1))) { + stream.point(point1[0], point1[1]); + } + point0 = point1, v0 = v, c0 = c; + }, + lineEnd: function() { + if (v0) stream.lineEnd(); + point0 = null; + }, + // Rejoin first and last segments if there were intersections and the first + // and last points were visible. + clean: function() { + return clean | ((v00 && v0) << 1); + } + }; + } -var transition_on = function(name, listener) { - var id = this._id; + // Intersects the great circle between a and b with the clip circle. + function intersect(a, b, two) { + var pa = cartesian(a), + pb = cartesian(b); - return arguments.length < 2 - ? get$1(this.node(), id).on.on(name) - : this.each(onFunction(id, name, listener)); -}; + // We have two planes, n1.p = d1 and n2.p = d2. + // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). + var n1 = [1, 0, 0], // normal + n2 = cartesianCross(pa, pb), + n2n2 = cartesianDot(n2, n2), + n1n2 = n2[0], // cartesianDot(n1, n2), + determinant = n2n2 - n1n2 * n1n2; -function removeFunction(id) { - return function() { - var parent = this.parentNode; - for (var i in this.__transition) if (+i !== id) return; - if (parent) parent.removeChild(this); - }; -} + // Two polar points. + if (!determinant) return !two && a; -var transition_remove = function() { - return this.on("end.remove", removeFunction(this._id)); -}; + var c1 = cr * n2n2 / determinant, + c2 = -cr * n1n2 / determinant, + n1xn2 = cartesianCross(n1, n2), + A = cartesianScale(n1, c1), + B = cartesianScale(n2, c2); + cartesianAddInPlace(A, B); -var transition_select = function(select$$1) { - var name = this._name, - id = this._id; + // Solve |p(t)|^2 = 1. + var u = n1xn2, + w = cartesianDot(A, u), + uu = cartesianDot(u, u), + t2 = w * w - uu * (cartesianDot(A, A) - 1); - if (typeof select$$1 !== "function") select$$1 = selector(select$$1); + if (t2 < 0) return; - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select$$1.call(node, node.__data__, i, group))) { - if ("__data__" in node) subnode.__data__ = node.__data__; - subgroup[i] = subnode; - schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); - } - } - } + var t = sqrt(t2), + q = cartesianScale(u, (-w - t) / uu); + cartesianAddInPlace(q, A); + q = spherical(q); - return new Transition(subgroups, this._parents, name, id); -}; + if (!two) return q; -var transition_selectAll = function(select$$1) { - var name = this._name, - id = this._id; + // Two intersection points. + var lambda0 = a[0], + lambda1 = b[0], + phi0 = a[1], + phi1 = b[1], + z; - if (typeof select$$1 !== "function") select$$1 = selectorAll(select$$1); + if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; - for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - for (var children = select$$1.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { - if (child = children[k]) { - schedule(child, name, id, k, children, inherit); - } - } - subgroups.push(children); - parents.push(node); - } + var delta = lambda1 - lambda0, + polar = abs(delta - pi$3) < epsilon$2, + meridian = polar || delta < epsilon$2; + + if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; + + // Check that the first point is between a and b. + if (meridian + ? polar + ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$2 ? phi0 : phi1) + : phi0 <= q[1] && q[1] <= phi1 + : delta > pi$3 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { + var q1 = cartesianScale(u, (-w + t) / uu); + cartesianAddInPlace(q1, A); + return [q, spherical(q1)]; } } - return new Transition(subgroups, parents, name, id); -}; - -var Selection$1 = selection.prototype.constructor; + // Generates a 4-bit vector representing the location of a point relative to + // the small circle's bounding box. + function code(lambda, phi) { + var r = smallRadius ? radius : pi$3 - radius, + code = 0; + if (lambda < -r) code |= 1; // left + else if (lambda > r) code |= 2; // right + if (phi < -r) code |= 4; // below + else if (phi > r) code |= 8; // above + return code; + } -var transition_selection = function() { - return new Selection$1(this._groups, this._parents); + return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$3, radius - pi$3]); }; -function styleRemove$1(name, interpolate$$1) { - var value00, - value10, - interpolate0; - return function() { - var style = window(this).getComputedStyle(this, null), - value0 = style.getPropertyValue(name), - value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); - }; -} - -function styleRemoveEnd(name) { - return function() { - this.style.removeProperty(name); +var transform = function(methods) { + return { + stream: transformer(methods) }; -} +}; -function styleConstant$1(name, interpolate$$1, value1) { - var value00, - interpolate0; - return function() { - var value0 = window(this).getComputedStyle(this, null).getPropertyValue(name); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value1); +function transformer(methods) { + return function(stream) { + var s = new TransformStream; + for (var key in methods) s[key] = methods[key]; + s.stream = stream; + return s; }; } -function styleFunction$1(name, interpolate$$1, value) { - var value00, - value10, - interpolate0; - return function() { - var style = window(this).getComputedStyle(this, null), - value0 = style.getPropertyValue(name), - value1 = value(this); - if (value1 == null) value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); - }; -} +function TransformStream() {} -var transition_style = function(name, value, priority) { - var i = (name += "") === "transform" ? interpolateTransformCss : interpolate$1; - return value == null ? this - .styleTween(name, styleRemove$1(name, i)) - .on("end.style." + name, styleRemoveEnd(name)) - : this.styleTween(name, typeof value === "function" - ? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) - : styleConstant$1(name, i, value), priority); +TransformStream.prototype = { + constructor: TransformStream, + point: function(x, y) { this.stream.point(x, y); }, + sphere: function() { this.stream.sphere(); }, + lineStart: function() { this.stream.lineStart(); }, + lineEnd: function() { this.stream.lineEnd(); }, + polygonStart: function() { this.stream.polygonStart(); }, + polygonEnd: function() { this.stream.polygonEnd(); } }; -function styleTween(name, value, priority) { - function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.style.setProperty(name, i(t), priority); - }; - } - tween._value = value; - return tween; -} +function fitExtent(projection, extent, object) { + var w = extent[1][0] - extent[0][0], + h = extent[1][1] - extent[0][1], + clip = projection.clipExtent && projection.clipExtent(); -var transition_styleTween = function(name, value, priority) { - var key = "style." + (name += ""); - if (arguments.length < 2) return (key = this.tween(key)) && key._value; - if (value == null) return this.tween(key, null); - if (typeof value !== "function") throw new Error; - return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); -}; + projection + .scale(150) + .translate([0, 0]); -function textConstant$1(value) { - return function() { - this.textContent = value; - }; + if (clip != null) projection.clipExtent(null); + + geoStream(object, projection.stream(boundsStream$1)); + + var b = boundsStream$1.result(), + k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), + x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, + y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; + + if (clip != null) projection.clipExtent(clip); + + return projection + .scale(k * 150) + .translate([x, y]); } -function textFunction$1(value) { - return function() { - var value1 = value(this); - this.textContent = value1 == null ? "" : value1; - }; +function fitSize(projection, size, object) { + return fitExtent(projection, [[0, 0], size], object); } -var transition_text = function(value) { - return this.tween("text", typeof value === "function" - ? textFunction$1(tweenValue(this, "text", value)) - : textConstant$1(value == null ? "" : value + "")); +var maxDepth = 16; +var cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) + +var resample = function(project, delta2) { + return +delta2 ? resample$1(project, delta2) : resampleNone(project); }; -var transition_transition = function() { - var name = this._name, - id0 = this._id, - id1 = newId(); +function resampleNone(project) { + return transformer({ + point: function(x, y) { + x = project(x, y); + this.stream.point(x[0], x[1]); + } + }); +} - for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - var inherit = get$1(node, id0); - schedule(node, name, id1, i, group, { - time: inherit.time + inherit.delay + inherit.duration, - delay: 0, - duration: inherit.duration, - ease: inherit.ease - }); +function resample$1(project, delta2) { + + function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) { + var dx = x1 - x0, + dy = y1 - y0, + d2 = dx * dx + dy * dy; + if (d2 > 4 * delta2 && depth--) { + var a = a0 + a1, + b = b0 + b1, + c = c0 + c1, + m = sqrt(a * a + b * b + c * c), + phi2 = asin(c /= m), + lambda2 = abs(abs(c) - 1) < epsilon$2 || abs(lambda0 - lambda1) < epsilon$2 ? (lambda0 + lambda1) / 2 : atan2(b, a), + p = project(lambda2, phi2), + x2 = p[0], + y2 = p[1], + dx2 = x2 - x0, + dy2 = y2 - y0, + dz = dy * dx2 - dx * dy2; + if (dz * dz / d2 > delta2 // perpendicular projected distance + || abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end + || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream); + stream.point(x2, y2); + resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream); } } } + return function(stream) { + var lambda00, x00, y00, a00, b00, c00, // first point + lambda0, x0, y0, a0, b0, c0; // previous point - return new Transition(groups, this._parents, name, id1); -}; - -var id = 0; - -function Transition(groups, parents, name, id) { - this._groups = groups; - this._parents = parents; - this._name = name; - this._id = id; -} - -function transition(name) { - return selection().transition(name); -} + var resampleStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; }, + polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; } + }; -function newId() { - return ++id; -} + function point(x, y) { + x = project(x, y); + stream.point(x[0], x[1]); + } -var selection_prototype = selection.prototype; + function lineStart() { + x0 = NaN; + resampleStream.point = linePoint; + stream.lineStart(); + } -Transition.prototype = transition.prototype = { - constructor: Transition, - select: transition_select, - selectAll: transition_selectAll, - filter: transition_filter, - merge: transition_merge, - selection: transition_selection, - transition: transition_transition, - call: selection_prototype.call, - nodes: selection_prototype.nodes, - node: selection_prototype.node, - size: selection_prototype.size, - empty: selection_prototype.empty, - each: selection_prototype.each, - on: transition_on, - attr: transition_attr, - attrTween: transition_attrTween, - style: transition_style, - styleTween: transition_styleTween, - text: transition_text, - remove: transition_remove, - tween: transition_tween, - delay: transition_delay, - duration: transition_duration, - ease: transition_ease -}; + function linePoint(lambda, phi) { + var c = cartesian([lambda, phi]), p = project(lambda, phi); + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); + stream.point(x0, y0); + } -var defaultTiming = { - time: null, // Set on use. - delay: 0, - duration: 250, - ease: cubicInOut -}; + function lineEnd() { + resampleStream.point = point; + stream.lineEnd(); + } -function inherit(node, id) { - var timing; - while (!(timing = node.__transition) || !(timing = timing[id])) { - if (!(node = node.parentNode)) { - return defaultTiming.time = now(), defaultTiming; + function ringStart() { + lineStart(); + resampleStream.point = ringPoint; + resampleStream.lineEnd = ringEnd; + } + + function ringPoint(lambda, phi) { + linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; + resampleStream.point = linePoint; + } + + function ringEnd() { + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream); + resampleStream.lineEnd = lineEnd; + lineEnd(); } + + return resampleStream; + }; +} + +var transformRadians = transformer({ + point: function(x, y) { + this.stream.point(x * radians, y * radians); } - return timing; +}); + +function projection(project) { + return projectionMutator(function() { return project; })(); } -var selection_transition = function(name) { - var id, - timing; +function projectionMutator(projectAt) { + var project, + k = 150, // scale + x = 480, y = 250, // translate + dx, dy, lambda = 0, phi = 0, // center + deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, projectRotate, // rotate + theta = null, preclip = clipAntimeridian, // clip angle + x0 = null, y0, x1, y1, postclip = identity$4, // clip extent + delta2 = 0.5, projectResample = resample(projectTransform, delta2), // precision + cache, + cacheStream; - if (name instanceof Transition) { - id = name._id, name = name._name; - } else { - id = newId(), (timing = defaultTiming).time = now(), name = name == null ? null : name + ""; + function projection(point) { + point = projectRotate(point[0] * radians, point[1] * radians); + return [point[0] * k + dx, dy - point[1] * k]; } - for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - schedule(node, name, id, i, group, timing || inherit(node, id)); - } - } + function invert(point) { + point = projectRotate.invert((point[0] - dx) / k, (dy - point[1]) / k); + return point && [point[0] * degrees$1, point[1] * degrees$1]; } - return new Transition(groups, this._parents, name, id); -}; + function projectTransform(x, y) { + return x = project(x, y), [x[0] * k + dx, dy - x[1] * k]; + } -selection.prototype.interrupt = selection_interrupt; -selection.prototype.transition = selection_transition; + projection.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = transformRadians(preclip(rotate, projectResample(postclip(cacheStream = stream)))); + }; -var root$1 = [null]; + projection.clipAngle = function(_) { + return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians, 6 * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1; + }; -var active = function(node, name) { - var schedules = node.__transition, - schedule, - i; + projection.clipExtent = function(_) { + return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + }; - if (schedules) { - name = name == null ? null : name + ""; - for (i in schedules) { - if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { - return new Transition([[node]], root$1, name, +i); - } - } - } + projection.scale = function(_) { + return arguments.length ? (k = +_, recenter()) : k; + }; - return null; -}; + projection.translate = function(_) { + return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y]; + }; -var slice$4 = Array.prototype.slice; + projection.center = function(_) { + return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees$1, phi * degrees$1]; + }; -var identity$5 = function(x) { - return x; -}; + projection.rotate = function(_) { + return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees$1, deltaPhi * degrees$1, deltaGamma * degrees$1]; + }; -var top = 1; -var right = 2; -var bottom = 3; -var left = 4; -var epsilon$2 = 1e-6; + projection.precision = function(_) { + return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt(delta2); + }; -function translateX(scale0, scale1, d) { - var x = scale0(d); - return "translate(" + (isFinite(x) ? x : scale1(d)) + ",0)"; -} + projection.fitExtent = function(extent, object) { + return fitExtent(projection, extent, object); + }; -function translateY(scale0, scale1, d) { - var y = scale0(d); - return "translate(0," + (isFinite(y) ? y : scale1(d)) + ")"; -} + projection.fitSize = function(size, object) { + return fitSize(projection, size, object); + }; -function center(scale) { - var offset = scale.bandwidth() / 2; - if (scale.round()) offset = Math.round(offset); - return function(d) { - return scale(d) + offset; + function recenter() { + projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); + var center = project(lambda, phi); + dx = x - center[0] * k; + dy = y + center[1] * k; + return reset(); + } + + function reset() { + cache = cacheStream = null; + return projection; + } + + return function() { + project = projectAt.apply(this, arguments); + projection.invert = project.invert && invert; + return recenter(); }; } -function entering() { - return !this.__axis; -} +function conicProjection(projectAt) { + var phi0 = 0, + phi1 = pi$3 / 3, + m = projectionMutator(projectAt), + p = m(phi0, phi1); -function axis(orient, scale) { - var tickArguments = [], - tickValues = null, - tickFormat = null, - tickSizeInner = 6, - tickSizeOuter = 6, - tickPadding = 3; + p.parallels = function(_) { + return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees$1, phi1 * degrees$1]; + }; - function axis(context) { - var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues, - format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$5) : tickFormat, - spacing = Math.max(tickSizeInner, 0) + tickPadding, - transform = orient === top || orient === bottom ? translateX : translateY, - range = scale.range(), - range0 = range[0] + 0.5, - range1 = range[range.length - 1] + 0.5, - position = (scale.bandwidth ? center : identity$5)(scale.copy()), - selection = context.selection ? context.selection() : context, - path = selection.selectAll(".domain").data([null]), - tick = selection.selectAll(".tick").data(values, scale).order(), - tickExit = tick.exit(), - tickEnter = tick.enter().append("g").attr("class", "tick"), - line = tick.select("line"), - text = tick.select("text"), - k = orient === top || orient === left ? -1 : 1, - x, y = orient === left || orient === right ? (x = "x", "y") : (x = "y", "x"); + return p; +} - path = path.merge(path.enter().insert("path", ".tick") - .attr("class", "domain") - .attr("stroke", "#000")); +function cylindricalEqualAreaRaw(phi0) { + var cosPhi0 = cos$1(phi0); - tick = tick.merge(tickEnter); + function forward(lambda, phi) { + return [lambda * cosPhi0, sin$1(phi) / cosPhi0]; + } - line = line.merge(tickEnter.append("line") - .attr("stroke", "#000") - .attr(x + "2", k * tickSizeInner) - .attr(y + "1", 0.5) - .attr(y + "2", 0.5)); + forward.invert = function(x, y) { + return [x / cosPhi0, asin(y * cosPhi0)]; + }; - text = text.merge(tickEnter.append("text") - .attr("fill", "#000") - .attr(x, k * spacing) - .attr(y, 0.5) - .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); + return forward; +} - if (context !== selection) { - path = path.transition(context); - tick = tick.transition(context); - line = line.transition(context); - text = text.transition(context); +function conicEqualAreaRaw(y0, y1) { + var sy0 = sin$1(y0), n = (sy0 + sin$1(y1)) / 2; - tickExit = tickExit.transition(context) - .attr("opacity", epsilon$2) - .attr("transform", function(d) { return transform(position, this.parentNode.__axis || position, d); }); + // Are the parallels symmetrical around the Equator? + if (abs(n) < epsilon$2) return cylindricalEqualAreaRaw(y0); - tickEnter - .attr("opacity", epsilon$2) - .attr("transform", function(d) { return transform(this.parentNode.__axis || position, position, d); }); - } + var c = 1 + sy0 * (2 * n - sy0), r0 = sqrt(c) / n; - tickExit.remove(); + function project(x, y) { + var r = sqrt(c - 2 * n * sin$1(y)) / n; + return [r * sin$1(x *= n), r0 - r * cos$1(x)]; + } - path - .attr("d", orient === left || orient == right - ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter - : "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter); + project.invert = function(x, y) { + var r0y = r0 - y; + return [atan2(x, abs(r0y)) / n * sign(r0y), asin((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; + }; - tick - .attr("opacity", 1) - .attr("transform", function(d) { return transform(position, position, d); }); + return project; +} - line - .attr(x + "2", k * tickSizeInner); +var conicEqualArea = function() { + return conicProjection(conicEqualAreaRaw) + .scale(155.424) + .center([0, 33.6442]); +}; - text - .attr(x, k * spacing) - .text(format); +var albers = function() { + return conicEqualArea() + .parallels([29.5, 45.5]) + .scale(1070) + .translate([480, 250]) + .rotate([96, 0]) + .center([-0.6, 38.7]); +}; + +// The projections must have mutually exclusive clip regions on the sphere, +// as this will avoid emitting interleaving lines and polygons. +function multiplex(streams) { + var n = streams.length; + return { + point: function(x, y) { var i = -1; while (++i < n) streams[i].point(x, y); }, + sphere: function() { var i = -1; while (++i < n) streams[i].sphere(); }, + lineStart: function() { var i = -1; while (++i < n) streams[i].lineStart(); }, + lineEnd: function() { var i = -1; while (++i < n) streams[i].lineEnd(); }, + polygonStart: function() { var i = -1; while (++i < n) streams[i].polygonStart(); }, + polygonEnd: function() { var i = -1; while (++i < n) streams[i].polygonEnd(); } + }; +} - selection.filter(entering) - .attr("fill", "none") - .attr("font-size", 10) - .attr("font-family", "sans-serif") - .attr("text-anchor", orient === right ? "start" : orient === left ? "end" : "middle"); +// A composite projection for the United States, configured by default for +// 960×500. The projection also works quite well at 960×600 if you change the +// scale to 1285 and adjust the translate accordingly. The set of standard +// parallels for each region comes from USGS, which is published here: +// http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers +var albersUsa = function() { + var cache, + cacheStream, + lower48 = albers(), lower48Point, + alaska = conicEqualArea().rotate([154, 0]).center([-2, 58.5]).parallels([55, 65]), alaskaPoint, // EPSG:3338 + hawaii = conicEqualArea().rotate([157, 0]).center([-3, 19.9]).parallels([8, 18]), hawaiiPoint, // ESRI:102007 + point, pointStream = {point: function(x, y) { point = [x, y]; }}; - selection - .each(function() { this.__axis = position; }); + function albersUsa(coordinates) { + var x = coordinates[0], y = coordinates[1]; + return point = null, + (lower48Point.point(x, y), point) + || (alaskaPoint.point(x, y), point) + || (hawaiiPoint.point(x, y), point); } - axis.scale = function(_) { - return arguments.length ? (scale = _, axis) : scale; + albersUsa.invert = function(coordinates) { + var k = lower48.scale(), + t = lower48.translate(), + x = (coordinates[0] - t[0]) / k, + y = (coordinates[1] - t[1]) / k; + return (y >= 0.120 && y < 0.234 && x >= -0.425 && x < -0.214 ? alaska + : y >= 0.166 && y < 0.234 && x >= -0.214 && x < -0.115 ? hawaii + : lower48).invert(coordinates); }; - axis.ticks = function() { - return tickArguments = slice$4.call(arguments), axis; + albersUsa.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = multiplex([lower48.stream(cacheStream = stream), alaska.stream(stream), hawaii.stream(stream)]); }; - axis.tickArguments = function(_) { - return arguments.length ? (tickArguments = _ == null ? [] : slice$4.call(_), axis) : tickArguments.slice(); + albersUsa.precision = function(_) { + if (!arguments.length) return lower48.precision(); + lower48.precision(_), alaska.precision(_), hawaii.precision(_); + return reset(); }; - axis.tickValues = function(_) { - return arguments.length ? (tickValues = _ == null ? null : slice$4.call(_), axis) : tickValues && tickValues.slice(); + albersUsa.scale = function(_) { + if (!arguments.length) return lower48.scale(); + lower48.scale(_), alaska.scale(_ * 0.35), hawaii.scale(_); + return albersUsa.translate(lower48.translate()); }; - axis.tickFormat = function(_) { - return arguments.length ? (tickFormat = _, axis) : tickFormat; - }; + albersUsa.translate = function(_) { + if (!arguments.length) return lower48.translate(); + var k = lower48.scale(), x = +_[0], y = +_[1]; - axis.tickSize = function(_) { - return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner; - }; + lower48Point = lower48 + .translate(_) + .clipExtent([[x - 0.455 * k, y - 0.238 * k], [x + 0.455 * k, y + 0.238 * k]]) + .stream(pointStream); - axis.tickSizeInner = function(_) { - return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner; - }; + alaskaPoint = alaska + .translate([x - 0.307 * k, y + 0.201 * k]) + .clipExtent([[x - 0.425 * k + epsilon$2, y + 0.120 * k + epsilon$2], [x - 0.214 * k - epsilon$2, y + 0.234 * k - epsilon$2]]) + .stream(pointStream); - axis.tickSizeOuter = function(_) { - return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter; + hawaiiPoint = hawaii + .translate([x - 0.205 * k, y + 0.212 * k]) + .clipExtent([[x - 0.214 * k + epsilon$2, y + 0.166 * k + epsilon$2], [x - 0.115 * k - epsilon$2, y + 0.234 * k - epsilon$2]]) + .stream(pointStream); + + return reset(); }; - axis.tickPadding = function(_) { - return arguments.length ? (tickPadding = +_, axis) : tickPadding; + albersUsa.fitExtent = function(extent, object) { + return fitExtent(albersUsa, extent, object); }; - return axis; -} + albersUsa.fitSize = function(size, object) { + return fitSize(albersUsa, size, object); + }; -function axisTop(scale) { - return axis(top, scale); -} + function reset() { + cache = cacheStream = null; + return albersUsa; + } -function axisRight(scale) { - return axis(right, scale); -} + return albersUsa.scale(1070); +}; -function axisBottom(scale) { - return axis(bottom, scale); +function azimuthalRaw(scale) { + return function(x, y) { + var cx = cos$1(x), + cy = cos$1(y), + k = scale(cx * cy); + return [ + k * cy * sin$1(x), + k * sin$1(y) + ]; + } } -function axisLeft(scale) { - return axis(left, scale); +function azimuthalInvert(angle) { + return function(x, y) { + var z = sqrt(x * x + y * y), + c = angle(z), + sc = sin$1(c), + cc = cos$1(c); + return [ + atan2(x * sc, z * cc), + asin(z && y * sc / z) + ]; + } } -function defaultSeparation(a, b) { - return a.parent === b.parent ? 1 : 2; -} +var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) { + return sqrt(2 / (1 + cxcy)); +}); -function meanX(children) { - return children.reduce(meanXReduce, 0) / children.length; -} +azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) { + return 2 * asin(z / 2); +}); -function meanXReduce(x, c) { - return x + c.x; -} +var azimuthalEqualArea = function() { + return projection(azimuthalEqualAreaRaw) + .scale(124.75) + .clipAngle(180 - 1e-3); +}; -function maxY(children) { - return 1 + children.reduce(maxYReduce, 0); -} +var azimuthalEquidistantRaw = azimuthalRaw(function(c) { + return (c = acos(c)) && c / sin$1(c); +}); -function maxYReduce(y, c) { - return Math.max(y, c.y); -} +azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) { + return z; +}); -function leafLeft(node) { - var children; - while (children = node.children) node = children[0]; - return node; -} +var azimuthalEquidistant = function() { + return projection(azimuthalEquidistantRaw) + .scale(79.4188) + .clipAngle(180 - 1e-3); +}; -function leafRight(node) { - var children; - while (children = node.children) node = children[children.length - 1]; - return node; +function mercatorRaw(lambda, phi) { + return [lambda, log(tan((halfPi$2 + phi) / 2))]; } -var cluster = function() { - var separation = defaultSeparation, - dx = 1, - dy = 1, - nodeSize = false; - - function cluster(root) { - var previousNode, - x = 0; +mercatorRaw.invert = function(x, y) { + return [x, 2 * atan(exp(y)) - halfPi$2]; +}; - // First walk, computing the initial x & y values. - root.eachAfter(function(node) { - var children = node.children; - if (children) { - node.x = meanX(children); - node.y = maxY(children); - } else { - node.x = previousNode ? x += separation(node, previousNode) : 0; - node.y = 0; - previousNode = node; - } - }); +var mercator = function() { + return mercatorProjection(mercatorRaw) + .scale(961 / tau$3); +}; - var left = leafLeft(root), - right = leafRight(root), - x0 = left.x - separation(left, right) / 2, - x1 = right.x + separation(right, left) / 2; +function mercatorProjection(project) { + var m = projection(project), + scale = m.scale, + translate = m.translate, + clipExtent = m.clipExtent, + clipAuto; - // Second walk, normalizing x & y to the desired size. - return root.eachAfter(nodeSize ? function(node) { - node.x = (node.x - root.x) * dx; - node.y = (root.y - node.y) * dy; - } : function(node) { - node.x = (node.x - x0) / (x1 - x0) * dx; - node.y = (1 - (root.y ? node.y / root.y : 1)) * dy; - }); - } + m.scale = function(_) { + return arguments.length ? (scale(_), clipAuto && m.clipExtent(null), m) : scale(); + }; - cluster.separation = function(x) { - return arguments.length ? (separation = x, cluster) : separation; + m.translate = function(_) { + return arguments.length ? (translate(_), clipAuto && m.clipExtent(null), m) : translate(); }; - cluster.size = function(x) { - return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? null : [dx, dy]); + m.clipExtent = function(_) { + if (!arguments.length) return clipAuto ? null : clipExtent(); + if (clipAuto = _ == null) { + var k = pi$3 * scale(), + t = translate(); + _ = [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]]; + } + clipExtent(_); + return m; }; - cluster.nodeSize = function(x) { - return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? [dx, dy] : null); + return m.clipExtent(null); +} + +function tany(y) { + return tan((halfPi$2 + y) / 2); +} + +function conicConformalRaw(y0, y1) { + var cy0 = cos$1(y0), + n = y0 === y1 ? sin$1(y0) : log(cy0 / cos$1(y1)) / log(tany(y1) / tany(y0)), + f = cy0 * pow(tany(y0), n) / n; + + if (!n) return mercatorRaw; + + function project(x, y) { + if (f > 0) { if (y < -halfPi$2 + epsilon$2) y = -halfPi$2 + epsilon$2; } + else { if (y > halfPi$2 - epsilon$2) y = halfPi$2 - epsilon$2; } + var r = f / pow(tany(y), n); + return [r * sin$1(n * x), f - r * cos$1(n * x)]; + } + + project.invert = function(x, y) { + var fy = f - y, r = sign(n) * sqrt(x * x + fy * fy); + return [atan2(x, abs(fy)) / n * sign(fy), 2 * atan(pow(f / r, 1 / n)) - halfPi$2]; }; - return cluster; + return project; +} + +var conicConformal = function() { + return conicProjection(conicConformalRaw) + .scale(109.5) + .parallels([30, 30]); }; -var node_each = function(callback) { - var node = this, current, next = [node], children, i, n; - do { - current = next.reverse(), next = []; - while (node = current.pop()) { - callback(node), children = node.children; - if (children) for (i = 0, n = children.length; i < n; ++i) { - next.push(children[i]); - } - } - } while (next.length); - return this; -}; +function equirectangularRaw(lambda, phi) { + return [lambda, phi]; +} -var node_eachBefore = function(callback) { - var node = this, nodes = [node], children, i; - while (node = nodes.pop()) { - callback(node), children = node.children; - if (children) for (i = children.length - 1; i >= 0; --i) { - nodes.push(children[i]); - } - } - return this; -}; +equirectangularRaw.invert = equirectangularRaw; -var node_eachAfter = function(callback) { - var node = this, nodes = [node], next = [], children, i, n; - while (node = nodes.pop()) { - next.push(node), children = node.children; - if (children) for (i = 0, n = children.length; i < n; ++i) { - nodes.push(children[i]); - } - } - while (node = next.pop()) { - callback(node); - } - return this; +var equirectangular = function() { + return projection(equirectangularRaw) + .scale(152.63); }; -var node_sum = function(value) { - return this.eachAfter(function(node) { - var sum = +value(node.data) || 0, - children = node.children, - i = children && children.length; - while (--i >= 0) sum += children[i].value; - node.value = sum; - }); -}; +function conicEquidistantRaw(y0, y1) { + var cy0 = cos$1(y0), + n = y0 === y1 ? sin$1(y0) : (cy0 - cos$1(y1)) / (y1 - y0), + g = cy0 / n + y0; -var node_sort = function(compare) { - return this.eachBefore(function(node) { - if (node.children) { - node.children.sort(compare); - } - }); -}; + if (abs(n) < epsilon$2) return equirectangularRaw; -var node_path = function(end) { - var start = this, - ancestor = leastCommonAncestor(start, end), - nodes = [start]; - while (start !== ancestor) { - start = start.parent; - nodes.push(start); - } - var k = nodes.length; - while (end !== ancestor) { - nodes.splice(k, 0, end); - end = end.parent; + function project(x, y) { + var gy = g - y, nx = n * x; + return [gy * sin$1(nx), g - gy * cos$1(nx)]; } - return nodes; -}; -function leastCommonAncestor(a, b) { - if (a === b) return a; - var aNodes = a.ancestors(), - bNodes = b.ancestors(), - c = null; - a = aNodes.pop(); - b = bNodes.pop(); - while (a === b) { - c = a; - a = aNodes.pop(); - b = bNodes.pop(); - } - return c; + project.invert = function(x, y) { + var gy = g - y; + return [atan2(x, abs(gy)) / n * sign(gy), g - sign(n) * sqrt(x * x + gy * gy)]; + }; + + return project; } -var node_ancestors = function() { - var node = this, nodes = [node]; - while (node = node.parent) { - nodes.push(node); - } - return nodes; +var conicEquidistant = function() { + return conicProjection(conicEquidistantRaw) + .scale(131.154) + .center([0, 13.9389]); }; -var node_descendants = function() { - var nodes = []; - this.each(function(node) { - nodes.push(node); - }); - return nodes; -}; +function gnomonicRaw(x, y) { + var cy = cos$1(y), k = cos$1(x) * cy; + return [cy * sin$1(x) / k, sin$1(y) / k]; +} -var node_leaves = function() { - var leaves = []; - this.eachBefore(function(node) { - if (!node.children) { - leaves.push(node); - } - }); - return leaves; +gnomonicRaw.invert = azimuthalInvert(atan); + +var gnomonic = function() { + return projection(gnomonicRaw) + .scale(144.049) + .clipAngle(60); }; -var node_links = function() { - var root = this, links = []; - root.each(function(node) { - if (node !== root) { // Don’t include the root’s parent, if any. - links.push({source: node.parent, target: node}); +function scaleTranslate(kx, ky, tx, ty) { + return kx === 1 && ky === 1 && tx === 0 && ty === 0 ? identity$4 : transformer({ + point: function(x, y) { + this.stream.point(x * kx + tx, y * ky + ty); } }); - return links; -}; - -function hierarchy(data, children) { - var root = new Node(data), - valued = +data.value && (root.value = data.value), - node, - nodes = [root], - child, - childs, - i, - n; +} - if (children == null) children = defaultChildren; +var identity$5 = function() { + var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, transform = identity$4, // scale, translate and reflect + x0 = null, y0, x1, y1, clip = identity$4, // clip extent + cache, + cacheStream, + projection; - while (node = nodes.pop()) { - if (valued) node.value = +node.data.value; - if ((childs = children(node.data)) && (n = childs.length)) { - node.children = new Array(n); - for (i = n - 1; i >= 0; --i) { - nodes.push(child = node.children[i] = new Node(childs[i])); - child.parent = node; - child.depth = node.depth + 1; - } - } + function reset() { + cache = cacheStream = null; + return projection; } - return root.eachBefore(computeHeight); -} + return projection = { + stream: function(stream) { + return cache && cacheStream === stream ? cache : cache = transform(clip(cacheStream = stream)); + }, + clipExtent: function(_) { + return arguments.length ? (clip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + }, + scale: function(_) { + return arguments.length ? (transform = scaleTranslate((k = +_) * sx, k * sy, tx, ty), reset()) : k; + }, + translate: function(_) { + return arguments.length ? (transform = scaleTranslate(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; + }, + reflectX: function(_) { + return arguments.length ? (transform = scaleTranslate(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0; + }, + reflectY: function(_) { + return arguments.length ? (transform = scaleTranslate(k * sx, k * (sy = _ ? -1 : 1), tx, ty), reset()) : sy < 0; + }, + fitExtent: function(extent, object) { + return fitExtent(projection, extent, object); + }, + fitSize: function(size, object) { + return fitSize(projection, size, object); + } + }; +}; -function node_copy() { - return hierarchy(this).eachBefore(copyData); +function orthographicRaw(x, y) { + return [cos$1(y) * sin$1(x), sin$1(y)]; } -function defaultChildren(d) { - return d.children; -} +orthographicRaw.invert = azimuthalInvert(asin); -function copyData(node) { - node.data = node.data.data; -} +var orthographic = function() { + return projection(orthographicRaw) + .scale(249.5) + .clipAngle(90 + epsilon$2); +}; -function computeHeight(node) { - var height = 0; - do node.height = height; - while ((node = node.parent) && (node.height < ++height)); +function stereographicRaw(x, y) { + var cy = cos$1(y), k = 1 + cos$1(x) * cy; + return [cy * sin$1(x) / k, sin$1(y) / k]; } -function Node(data) { - this.data = data; - this.depth = - this.height = 0; - this.parent = null; -} +stereographicRaw.invert = azimuthalInvert(function(z) { + return 2 * atan(z); +}); -Node.prototype = hierarchy.prototype = { - constructor: Node, - each: node_each, - eachAfter: node_eachAfter, - eachBefore: node_eachBefore, - sum: node_sum, - sort: node_sort, - path: node_path, - ancestors: node_ancestors, - descendants: node_descendants, - leaves: node_leaves, - links: node_links, - copy: node_copy +var stereographic = function() { + return projection(stereographicRaw) + .scale(250) + .clipAngle(142); }; - -function Node$2(value) { - this._ = value; - this.next = null; + +function transverseMercatorRaw(lambda, phi) { + return [log(tan((halfPi$2 + phi) / 2)), -lambda]; } -var shuffle$1 = function(array) { - var i, - n = (array = array.slice()).length, - head = null, - node = head; +transverseMercatorRaw.invert = function(x, y) { + return [-y, 2 * atan(exp(x)) - halfPi$2]; +}; - while (n) { - var next = new Node$2(array[n - 1]); - if (node) node = node.next = next; - else node = head = next; - array[i] = array[--n]; - } +var transverseMercator = function() { + var m = mercatorProjection(transverseMercatorRaw), + center = m.center, + rotate = m.rotate; - return { - head: head, - tail: node + m.center = function(_) { + return arguments.length ? center([-_[1], _[0]]) : (_ = center(), [_[1], -_[0]]); }; -}; -var enclose = function(circles) { - return encloseN(shuffle$1(circles), []); + m.rotate = function(_) { + return arguments.length ? rotate([_[0], _[1], _.length > 2 ? _[2] + 90 : 90]) : (_ = rotate(), [_[0], _[1], _[2] - 90]); + }; + + return rotate([0, 0, 90]) + .scale(159.155); }; -function encloses(a, b) { - var dx = b.x - a.x, - dy = b.y - a.y, - dr = a.r - b.r; - return dr * dr + 1e-6 > dx * dx + dy * dy; +function defaultSeparation(a, b) { + return a.parent === b.parent ? 1 : 2; } -// Returns the smallest circle that contains circles L and intersects circles B. -function encloseN(L, B) { - var circle, - l0 = null, - l1 = L.head, - l2, - p1; +function meanX(children) { + return children.reduce(meanXReduce, 0) / children.length; +} - switch (B.length) { - case 1: circle = enclose1(B[0]); break; - case 2: circle = enclose2(B[0], B[1]); break; - case 3: circle = enclose3(B[0], B[1], B[2]); break; - } +function meanXReduce(x, c) { + return x + c.x; +} - while (l1) { - p1 = l1._, l2 = l1.next; - if (!circle || !encloses(circle, p1)) { +function maxY(children) { + return 1 + children.reduce(maxYReduce, 0); +} - // Temporarily truncate L before l1. - if (l0) L.tail = l0, l0.next = null; - else L.head = L.tail = null; +function maxYReduce(y, c) { + return Math.max(y, c.y); +} - B.push(p1); - circle = encloseN(L, B); // Note: reorders L! - B.pop(); +function leafLeft(node) { + var children; + while (children = node.children) node = children[0]; + return node; +} - // Move l1 to the front of L and reconnect the truncated list L. - if (L.head) l1.next = L.head, L.head = l1; - else l1.next = null, L.head = L.tail = l1; - l0 = L.tail, l0.next = l2; +function leafRight(node) { + var children; + while (children = node.children) node = children[children.length - 1]; + return node; +} - } else { - l0 = l1; - } - l1 = l2; - } +var cluster = function() { + var separation = defaultSeparation, + dx = 1, + dy = 1, + nodeSize = false; - L.tail = l0; - return circle; -} + function cluster(root) { + var previousNode, + x = 0; -function enclose1(a) { - return { - x: a.x, - y: a.y, - r: a.r + // First walk, computing the initial x & y values. + root.eachAfter(function(node) { + var children = node.children; + if (children) { + node.x = meanX(children); + node.y = maxY(children); + } else { + node.x = previousNode ? x += separation(node, previousNode) : 0; + node.y = 0; + previousNode = node; + } + }); + + var left = leafLeft(root), + right = leafRight(root), + x0 = left.x - separation(left, right) / 2, + x1 = right.x + separation(right, left) / 2; + + // Second walk, normalizing x & y to the desired size. + return root.eachAfter(nodeSize ? function(node) { + node.x = (node.x - root.x) * dx; + node.y = (root.y - node.y) * dy; + } : function(node) { + node.x = (node.x - x0) / (x1 - x0) * dx; + node.y = (1 - (root.y ? node.y / root.y : 1)) * dy; + }); + } + + cluster.separation = function(x) { + return arguments.length ? (separation = x, cluster) : separation; }; -} -function enclose2(a, b) { - var x1 = a.x, y1 = a.y, r1 = a.r, - x2 = b.x, y2 = b.y, r2 = b.r, - x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1, - l = Math.sqrt(x21 * x21 + y21 * y21); - return { - x: (x1 + x2 + x21 / l * r21) / 2, - y: (y1 + y2 + y21 / l * r21) / 2, - r: (l + r1 + r2) / 2 + cluster.size = function(x) { + return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? null : [dx, dy]); }; -} -function enclose3(a, b, c) { - var x1 = a.x, y1 = a.y, r1 = a.r, - x2 = b.x, y2 = b.y, r2 = b.r, - x3 = c.x, y3 = c.y, r3 = c.r, - a2 = 2 * (x1 - x2), - b2 = 2 * (y1 - y2), - c2 = 2 * (r2 - r1), - d2 = x1 * x1 + y1 * y1 - r1 * r1 - x2 * x2 - y2 * y2 + r2 * r2, - a3 = 2 * (x1 - x3), - b3 = 2 * (y1 - y3), - c3 = 2 * (r3 - r1), - d3 = x1 * x1 + y1 * y1 - r1 * r1 - x3 * x3 - y3 * y3 + r3 * r3, - ab = a3 * b2 - a2 * b3, - xa = (b2 * d3 - b3 * d2) / ab - x1, - xb = (b3 * c2 - b2 * c3) / ab, - ya = (a3 * d2 - a2 * d3) / ab - y1, - yb = (a2 * c3 - a3 * c2) / ab, - A = xb * xb + yb * yb - 1, - B = 2 * (xa * xb + ya * yb + r1), - C = xa * xa + ya * ya - r1 * r1, - r = (-B - Math.sqrt(B * B - 4 * A * C)) / (2 * A); - return { - x: xa + xb * r + x1, - y: ya + yb * r + y1, - r: r + cluster.nodeSize = function(x) { + return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? [dx, dy] : null); }; -} -function place(a, b, c) { - var ax = a.x, - ay = a.y, - da = b.r + c.r, - db = a.r + c.r, - dx = b.x - ax, - dy = b.y - ay, - dc = dx * dx + dy * dy; - if (dc) { - var x = 0.5 + ((db *= db) - (da *= da)) / (2 * dc), - y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); - c.x = ax + x * dx + y * dy; - c.y = ay + x * dy - y * dx; - } else { - c.x = ax + db; - c.y = ay; - } -} + return cluster; +}; -function intersects(a, b) { - var dx = b.x - a.x, - dy = b.y - a.y, - dr = a.r + b.r; - return dr * dr > dx * dx + dy * dy; +function count(node) { + var sum = 0, + children = node.children, + i = children && children.length; + if (!i) sum = 1; + else while (--i >= 0) sum += children[i].value; + node.value = sum; } -function distance2(circle, x, y) { - var dx = circle.x - x, - dy = circle.y - y; - return dx * dx + dy * dy; -} +var node_count = function() { + return this.eachAfter(count); +}; -function Node$1(circle) { - this._ = circle; - this.next = null; - this.previous = null; -} +var node_each = function(callback) { + var node = this, current, next = [node], children, i, n; + do { + current = next.reverse(), next = []; + while (node = current.pop()) { + callback(node), children = node.children; + if (children) for (i = 0, n = children.length; i < n; ++i) { + next.push(children[i]); + } + } + } while (next.length); + return this; +}; -function packEnclose(circles) { - if (!(n = circles.length)) return 0; +var node_eachBefore = function(callback) { + var node = this, nodes = [node], children, i; + while (node = nodes.pop()) { + callback(node), children = node.children; + if (children) for (i = children.length - 1; i >= 0; --i) { + nodes.push(children[i]); + } + } + return this; +}; - var a, b, c, n; +var node_eachAfter = function(callback) { + var node = this, nodes = [node], next = [], children, i, n; + while (node = nodes.pop()) { + next.push(node), children = node.children; + if (children) for (i = 0, n = children.length; i < n; ++i) { + nodes.push(children[i]); + } + } + while (node = next.pop()) { + callback(node); + } + return this; +}; - // Place the first circle. - a = circles[0], a.x = 0, a.y = 0; - if (!(n > 1)) return a.r; +var node_sum = function(value) { + return this.eachAfter(function(node) { + var sum = +value(node.data) || 0, + children = node.children, + i = children && children.length; + while (--i >= 0) sum += children[i].value; + node.value = sum; + }); +}; - // Place the second circle. - b = circles[1], a.x = -b.r, b.x = a.r, b.y = 0; - if (!(n > 2)) return a.r + b.r; +var node_sort = function(compare) { + return this.eachBefore(function(node) { + if (node.children) { + node.children.sort(compare); + } + }); +}; - // Place the third circle. - place(b, a, c = circles[2]); +var node_path = function(end) { + var start = this, + ancestor = leastCommonAncestor(start, end), + nodes = [start]; + while (start !== ancestor) { + start = start.parent; + nodes.push(start); + } + var k = nodes.length; + while (end !== ancestor) { + nodes.splice(k, 0, end); + end = end.parent; + } + return nodes; +}; - // Initialize the weighted centroid. - var aa = a.r * a.r, - ba = b.r * b.r, - ca = c.r * c.r, - oa = aa + ba + ca, - ox = aa * a.x + ba * b.x + ca * c.x, - oy = aa * a.y + ba * b.y + ca * c.y, - cx, cy, i, j, k, sj, sk; +function leastCommonAncestor(a, b) { + if (a === b) return a; + var aNodes = a.ancestors(), + bNodes = b.ancestors(), + c = null; + a = aNodes.pop(); + b = bNodes.pop(); + while (a === b) { + c = a; + a = aNodes.pop(); + b = bNodes.pop(); + } + return c; +} - // Initialize the front-chain using the first three circles a, b and c. - a = new Node$1(a), b = new Node$1(b), c = new Node$1(c); - a.next = c.previous = b; - b.next = a.previous = c; - c.next = b.previous = a; +var node_ancestors = function() { + var node = this, nodes = [node]; + while (node = node.parent) { + nodes.push(node); + } + return nodes; +}; - // Attempt to place each remaining circle… - pack: for (i = 3; i < n; ++i) { - place(a._, b._, c = circles[i]), c = new Node$1(c); +var node_descendants = function() { + var nodes = []; + this.each(function(node) { + nodes.push(node); + }); + return nodes; +}; - // If there are only three elements in the front-chain… - if ((k = a.previous) === (j = b.next)) { - // If the new circle intersects the third circle, - // rotate the front chain to try the next position. - if (intersects(j._, c._)) { - a = b, b = j, --i; - continue pack; - } +var node_leaves = function() { + var leaves = []; + this.eachBefore(function(node) { + if (!node.children) { + leaves.push(node); } + }); + return leaves; +}; - // Find the closest intersecting circle on the front-chain, if any. - else { - sj = j._.r, sk = k._.r; - do { - if (sj <= sk) { - if (intersects(j._, c._)) { - b = j, a.next = b, b.previous = a, --i; - continue pack; - } - j = j.next, sj += j._.r; - } else { - if (intersects(k._, c._)) { - a = k, a.next = b, b.previous = a, --i; - continue pack; - } - k = k.previous, sk += k._.r; - } - } while (j !== k.next); +var node_links = function() { + var root = this, links = []; + root.each(function(node) { + if (node !== root) { // Don’t include the root’s parent, if any. + links.push({source: node.parent, target: node}); } + }); + return links; +}; - // Success! Insert the new circle c between a and b. - c.previous = a, c.next = b, a.next = b.previous = b = c; +function hierarchy(data, children) { + var root = new Node(data), + valued = +data.value && (root.value = data.value), + node, + nodes = [root], + child, + childs, + i, + n; - // Update the weighted centroid. - oa += ca = c._.r * c._.r; - ox += ca * c._.x; - oy += ca * c._.y; + if (children == null) children = defaultChildren; - // Compute the new closest circle a to centroid. - aa = distance2(a._, cx = ox / oa, cy = oy / oa); - while ((c = c.next) !== b) { - if ((ca = distance2(c._, cx, cy)) < aa) { - a = c, aa = ca; + while (node = nodes.pop()) { + if (valued) node.value = +node.data.value; + if ((childs = children(node.data)) && (n = childs.length)) { + node.children = new Array(n); + for (i = n - 1; i >= 0; --i) { + nodes.push(child = node.children[i] = new Node(childs[i])); + child.parent = node; + child.depth = node.depth + 1; } } - b = a.next; } - // Compute the enclosing circle of the front chain. - a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a); - - // Translate the circles to put the enclosing circle around the origin. - for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y; - - return c.r; + return root.eachBefore(computeHeight); } -var siblings = function(circles) { - packEnclose(circles); - return circles; -}; - -function optional(f) { - return f == null ? null : required(f); +function node_copy() { + return hierarchy(this).eachBefore(copyData); } -function required(f) { - if (typeof f !== "function") throw new Error; - return f; +function defaultChildren(d) { + return d.children; } -function constantZero() { - return 0; +function copyData(node) { + node.data = node.data.data; } -var constant$6 = function(x) { - return function() { - return x; - }; -}; - -function defaultRadius(d) { - return Math.sqrt(d.value); +function computeHeight(node) { + var height = 0; + do node.height = height; + while ((node = node.parent) && (node.height < ++height)); } -var index = function() { - var radius = null, - dx = 1, - dy = 1, - padding = constantZero; - - function pack(root) { - root.x = dx / 2, root.y = dy / 2; - if (radius) { - root.eachBefore(radiusLeaf(radius)) - .eachAfter(packChildren(padding, 0.5)) - .eachBefore(translateChild(1)); - } else { - root.eachBefore(radiusLeaf(defaultRadius)) - .eachAfter(packChildren(constantZero, 1)) - .eachAfter(packChildren(padding, root.r / Math.min(dx, dy))) - .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r))); - } - return root; - } - - pack.radius = function(x) { - return arguments.length ? (radius = optional(x), pack) : radius; - }; - - pack.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], pack) : [dx, dy]; - }; - - pack.padding = function(x) { - return arguments.length ? (padding = typeof x === "function" ? x : constant$6(+x), pack) : padding; - }; +function Node(data) { + this.data = data; + this.depth = + this.height = 0; + this.parent = null; +} - return pack; +Node.prototype = hierarchy.prototype = { + constructor: Node, + count: node_count, + each: node_each, + eachAfter: node_eachAfter, + eachBefore: node_eachBefore, + sum: node_sum, + sort: node_sort, + path: node_path, + ancestors: node_ancestors, + descendants: node_descendants, + leaves: node_leaves, + links: node_links, + copy: node_copy }; -function radiusLeaf(radius) { - return function(node) { - if (!node.children) { - node.r = Math.max(0, +radius(node) || 0); - } - }; +function Node$2(value) { + this._ = value; + this.next = null; } -function packChildren(padding, k) { - return function(node) { - if (children = node.children) { - var children, - i, - n = children.length, - r = padding(node) * k || 0, - e; - - if (r) for (i = 0; i < n; ++i) children[i].r += r; - e = packEnclose(children); - if (r) for (i = 0; i < n; ++i) children[i].r -= r; - node.r = e + r; - } - }; -} +var shuffle$1 = function(array) { + var i, + n = (array = array.slice()).length, + head = null, + node = head; -function translateChild(k) { - return function(node) { - var parent = node.parent; - node.r *= k; - if (parent) { - node.x = parent.x + k * node.x; - node.y = parent.y + k * node.y; - } + while (n) { + var next = new Node$2(array[n - 1]); + if (node) node = node.next = next; + else node = head = next; + array[i] = array[--n]; + } + + return { + head: head, + tail: node }; -} +}; -var roundNode = function(node) { - node.x0 = Math.round(node.x0); - node.y0 = Math.round(node.y0); - node.x1 = Math.round(node.x1); - node.y1 = Math.round(node.y1); +var enclose = function(circles) { + return encloseN(shuffle$1(circles), []); }; -var treemapDice = function(parent, x0, y0, x1, y1) { - var nodes = parent.children, - node, - i = -1, - n = nodes.length, - k = parent.value && (x1 - x0) / parent.value; +function encloses(a, b) { + var dx = b.x - a.x, + dy = b.y - a.y, + dr = a.r - b.r; + return dr * dr + 1e-6 > dx * dx + dy * dy; +} - while (++i < n) { - node = nodes[i], node.y0 = y0, node.y1 = y1; - node.x0 = x0, node.x1 = x0 += node.value * k; +// Returns the smallest circle that contains circles L and intersects circles B. +function encloseN(L, B) { + var circle, + l0 = null, + l1 = L.head, + l2, + p1; + + switch (B.length) { + case 1: circle = enclose1(B[0]); break; + case 2: circle = enclose2(B[0], B[1]); break; + case 3: circle = enclose3(B[0], B[1], B[2]); break; } -}; -var partition = function() { - var dx = 1, - dy = 1, - padding = 0, - round = false; + while (l1) { + p1 = l1._, l2 = l1.next; + if (!circle || !encloses(circle, p1)) { - function partition(root) { - var n = root.height + 1; - root.x0 = - root.y0 = padding; - root.x1 = dx; - root.y1 = dy / n; - root.eachBefore(positionNode(dy, n)); - if (round) root.eachBefore(roundNode); - return root; - } + // Temporarily truncate L before l1. + if (l0) L.tail = l0, l0.next = null; + else L.head = L.tail = null; - function positionNode(dy, n) { - return function(node) { - if (node.children) { - treemapDice(node, node.x0, dy * (node.depth + 1) / n, node.x1, dy * (node.depth + 2) / n); - } - var x0 = node.x0, - y0 = node.y0, - x1 = node.x1 - padding, - y1 = node.y1 - padding; - if (x1 < x0) x0 = x1 = (x0 + x1) / 2; - if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - node.x0 = x0; - node.y0 = y0; - node.x1 = x1; - node.y1 = y1; - }; + B.push(p1); + circle = encloseN(L, B); // Note: reorders L! + B.pop(); + + // Move l1 to the front of L and reconnect the truncated list L. + if (L.head) l1.next = L.head, L.head = l1; + else l1.next = null, L.head = L.tail = l1; + l0 = L.tail, l0.next = l2; + + } else { + l0 = l1; + } + l1 = l2; } - partition.round = function(x) { - return arguments.length ? (round = !!x, partition) : round; + L.tail = l0; + return circle; +} + +function enclose1(a) { + return { + x: a.x, + y: a.y, + r: a.r }; +} - partition.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], partition) : [dx, dy]; +function enclose2(a, b) { + var x1 = a.x, y1 = a.y, r1 = a.r, + x2 = b.x, y2 = b.y, r2 = b.r, + x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1, + l = Math.sqrt(x21 * x21 + y21 * y21); + return { + x: (x1 + x2 + x21 / l * r21) / 2, + y: (y1 + y2 + y21 / l * r21) / 2, + r: (l + r1 + r2) / 2 }; +} - partition.padding = function(x) { - return arguments.length ? (padding = +x, partition) : padding; +function enclose3(a, b, c) { + var x1 = a.x, y1 = a.y, r1 = a.r, + x2 = b.x, y2 = b.y, r2 = b.r, + x3 = c.x, y3 = c.y, r3 = c.r, + a2 = 2 * (x1 - x2), + b2 = 2 * (y1 - y2), + c2 = 2 * (r2 - r1), + d2 = x1 * x1 + y1 * y1 - r1 * r1 - x2 * x2 - y2 * y2 + r2 * r2, + a3 = 2 * (x1 - x3), + b3 = 2 * (y1 - y3), + c3 = 2 * (r3 - r1), + d3 = x1 * x1 + y1 * y1 - r1 * r1 - x3 * x3 - y3 * y3 + r3 * r3, + ab = a3 * b2 - a2 * b3, + xa = (b2 * d3 - b3 * d2) / ab - x1, + xb = (b3 * c2 - b2 * c3) / ab, + ya = (a3 * d2 - a2 * d3) / ab - y1, + yb = (a2 * c3 - a3 * c2) / ab, + A = xb * xb + yb * yb - 1, + B = 2 * (xa * xb + ya * yb + r1), + C = xa * xa + ya * ya - r1 * r1, + r = (-B - Math.sqrt(B * B - 4 * A * C)) / (2 * A); + return { + x: xa + xb * r + x1, + y: ya + yb * r + y1, + r: r }; +} - return partition; -}; +function place(a, b, c) { + var ax = a.x, + ay = a.y, + da = b.r + c.r, + db = a.r + c.r, + dx = b.x - ax, + dy = b.y - ay, + dc = dx * dx + dy * dy; + if (dc) { + var x = 0.5 + ((db *= db) - (da *= da)) / (2 * dc), + y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); + c.x = ax + x * dx + y * dy; + c.y = ay + x * dy - y * dx; + } else { + c.x = ax + db; + c.y = ay; + } +} -var keyPrefix$1 = "$"; -var preroot = {depth: -1}; -var ambiguous = {}; +function intersects(a, b) { + var dx = b.x - a.x, + dy = b.y - a.y, + dr = a.r + b.r; + return dr * dr - 1e-6 > dx * dx + dy * dy; +} -function defaultId(d) { - return d.id; +function distance1(a, b) { + var l = a._.r; + while (a !== b) l += 2 * (a = a.next)._.r; + return l - b._.r; } -function defaultParentId(d) { - return d.parentId; +function distance2(node, x, y) { + var a = node._, + b = node.next._, + ab = a.r + b.r, + dx = (a.x * b.r + b.x * a.r) / ab - x, + dy = (a.y * b.r + b.y * a.r) / ab - y; + return dx * dx + dy * dy; } -var stratify = function() { - var id = defaultId, - parentId = defaultParentId; +function Node$1(circle) { + this._ = circle; + this.next = null; + this.previous = null; +} - function stratify(data) { - var d, - i, - n = data.length, - root, - parent, - node, - nodes = new Array(n), - nodeId, - nodeKey, - nodeByKey = {}; +function packEnclose(circles) { + if (!(n = circles.length)) return 0; - for (i = 0; i < n; ++i) { - d = data[i], node = nodes[i] = new Node(d); - if ((nodeId = id(d, i, data)) != null && (nodeId += "")) { - nodeKey = keyPrefix$1 + (node.id = nodeId); - nodeByKey[nodeKey] = nodeKey in nodeByKey ? ambiguous : node; - } - } + var a, b, c, n; - for (i = 0; i < n; ++i) { - node = nodes[i], nodeId = parentId(data[i], i, data); - if (nodeId == null || !(nodeId += "")) { - if (root) throw new Error("multiple roots"); - root = node; - } else { - parent = nodeByKey[keyPrefix$1 + nodeId]; - if (!parent) throw new Error("missing: " + nodeId); - if (parent === ambiguous) throw new Error("ambiguous: " + nodeId); - if (parent.children) parent.children.push(node); - else parent.children = [node]; - node.parent = parent; - } - } + // Place the first circle. + a = circles[0], a.x = 0, a.y = 0; + if (!(n > 1)) return a.r; - if (!root) throw new Error("no root"); - root.parent = preroot; - root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight); - root.parent = null; - if (n > 0) throw new Error("cycle"); + // Place the second circle. + b = circles[1], a.x = -b.r, b.x = a.r, b.y = 0; + if (!(n > 2)) return a.r + b.r; - return root; - } + // Place the third circle. + place(b, a, c = circles[2]); - stratify.id = function(x) { - return arguments.length ? (id = required(x), stratify) : id; - }; + // Initialize the weighted centroid. + var aa = a.r * a.r, + ba = b.r * b.r, + ca = c.r * c.r, + oa = aa + ba + ca, + ox = aa * a.x + ba * b.x + ca * c.x, + oy = aa * a.y + ba * b.y + ca * c.y, + cx, cy, i, j, k, sj, sk; + + // Initialize the front-chain using the first three circles a, b and c. + a = new Node$1(a), b = new Node$1(b), c = new Node$1(c); + a.next = c.previous = b; + b.next = a.previous = c; + c.next = b.previous = a; + + // Attempt to place each remaining circle… + pack: for (i = 3; i < n; ++i) { + place(a._, b._, c = circles[i]), c = new Node$1(c); - stratify.parentId = function(x) { - return arguments.length ? (parentId = required(x), stratify) : parentId; - }; + // Find the closest intersecting circle on the front-chain, if any. + // “Closeness” is determined by linear distance along the front-chain. + // “Ahead” or “behind” is likewise determined by linear distance. + j = b.next, k = a.previous, sj = b._.r, sk = a._.r; + do { + if (sj <= sk) { + if (intersects(j._, c._)) { + if (sj + a._.r + b._.r > distance1(j, b)) a = j; else b = j; + a.next = b, b.previous = a, --i; + continue pack; + } + sj += j._.r, j = j.next; + } else { + if (intersects(k._, c._)) { + if (distance1(a, k) > sk + a._.r + b._.r) a = k; else b = k; + a.next = b, b.previous = a, --i; + continue pack; + } + sk += k._.r, k = k.previous; + } + } while (j !== k.next); - return stratify; -}; + // Success! Insert the new circle c between a and b. + c.previous = a, c.next = b, a.next = b.previous = b = c; -function defaultSeparation$1(a, b) { - return a.parent === b.parent ? 1 : 2; -} + // Update the weighted centroid. + oa += ca = c._.r * c._.r; + ox += ca * c._.x; + oy += ca * c._.y; -// function radialSeparation(a, b) { -// return (a.parent === b.parent ? 1 : 2) / a.depth; -// } + // Compute the new closest circle pair to the centroid. + aa = distance2(a, cx = ox / oa, cy = oy / oa); + while ((c = c.next) !== b) { + if ((ca = distance2(c, cx, cy)) < aa) { + a = c, aa = ca; + } + } + b = a.next; + } -// This function is used to traverse the left contour of a subtree (or -// subforest). It returns the successor of v on this contour. This successor is -// either given by the leftmost child of v or by the thread of v. The function -// returns null if and only if v is on the highest level of its subtree. -function nextLeft(v) { - var children = v.children; - return children ? children[0] : v.t; -} + // Compute the enclosing circle of the front chain. + a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a); -// This function works analogously to nextLeft. -function nextRight(v) { - var children = v.children; - return children ? children[children.length - 1] : v.t; -} + // Translate the circles to put the enclosing circle around the origin. + for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y; -// Shifts the current subtree rooted at w+. This is done by increasing -// prelim(w+) and mod(w+) by shift. -function moveSubtree(wm, wp, shift) { - var change = shift / (wp.i - wm.i); - wp.c -= change; - wp.s += shift; - wm.c += change; - wp.z += shift; - wp.m += shift; + return c.r; } -// All other shifts, applied to the smaller subtrees between w- and w+, are -// performed by this function. To prepare the shifts, we have to adjust -// change(w+), shift(w+), and change(w-). -function executeShifts(v) { - var shift = 0, - change = 0, - children = v.children, - i = children.length, - w; - while (--i >= 0) { - w = children[i]; - w.z += shift; - w.m += shift; - shift += w.s + (change += w.c); - } -} +var siblings = function(circles) { + packEnclose(circles); + return circles; +}; -// If vi-’s ancestor is a sibling of v, returns vi-’s ancestor. Otherwise, -// returns the specified (default) ancestor. -function nextAncestor(vim, v, ancestor) { - return vim.a.parent === v.parent ? vim.a : ancestor; +function optional(f) { + return f == null ? null : required(f); } -function TreeNode(node, i) { - this._ = node; - this.parent = null; - this.children = null; - this.A = null; // default ancestor - this.a = this; // ancestor - this.z = 0; // prelim - this.m = 0; // mod - this.c = 0; // change - this.s = 0; // shift - this.t = null; // thread - this.i = i; // number +function required(f) { + if (typeof f !== "function") throw new Error; + return f; } -TreeNode.prototype = Object.create(Node.prototype); - -function treeRoot(root) { - var tree = new TreeNode(root, 0), - node, - nodes = [tree], - child, - children, - i, - n; +function constantZero() { + return 0; +} - while (node = nodes.pop()) { - if (children = node._.children) { - node.children = new Array(n = children.length); - for (i = n - 1; i >= 0; --i) { - nodes.push(child = node.children[i] = new TreeNode(children[i], i)); - child.parent = node; - } - } - } +var constant$8 = function(x) { + return function() { + return x; + }; +}; - (tree.parent = new TreeNode(null, 0)).children = [tree]; - return tree; +function defaultRadius$1(d) { + return Math.sqrt(d.value); } -// Node-link tree diagram using the Reingold-Tilford "tidy" algorithm -var tree = function() { - var separation = defaultSeparation$1, +var index$2 = function() { + var radius = null, dx = 1, dy = 1, - nodeSize = null; - - function tree(root) { - var t = treeRoot(root); - - // Compute the layout using Buchheim et al.’s algorithm. - t.eachAfter(firstWalk), t.parent.m = -t.z; - t.eachBefore(secondWalk); - - // If a fixed node size is specified, scale x and y. - if (nodeSize) root.eachBefore(sizeNode); + padding = constantZero; - // If a fixed tree size is specified, scale x and y based on the extent. - // Compute the left-most, right-most, and depth-most nodes for extents. - else { - var left = root, - right = root, - bottom = root; - root.eachBefore(function(node) { - if (node.x < left.x) left = node; - if (node.x > right.x) right = node; - if (node.depth > bottom.depth) bottom = node; - }); - var s = left === right ? 1 : separation(left, right) / 2, - tx = s - left.x, - kx = dx / (right.x + s + tx), - ky = dy / (bottom.depth || 1); - root.eachBefore(function(node) { - node.x = (node.x + tx) * kx; - node.y = node.depth * ky; - }); + function pack(root) { + root.x = dx / 2, root.y = dy / 2; + if (radius) { + root.eachBefore(radiusLeaf(radius)) + .eachAfter(packChildren(padding, 0.5)) + .eachBefore(translateChild(1)); + } else { + root.eachBefore(radiusLeaf(defaultRadius$1)) + .eachAfter(packChildren(constantZero, 1)) + .eachAfter(packChildren(padding, root.r / Math.min(dx, dy))) + .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r))); } - return root; } - // Computes a preliminary x-coordinate for v. Before that, FIRST WALK is - // applied recursively to the children of v, as well as the function - // APPORTION. After spacing out the children by calling EXECUTE SHIFTS, the - // node v is placed to the midpoint of its outermost children. - function firstWalk(v) { - var children = v.children, - siblings = v.parent.children, - w = v.i ? siblings[v.i - 1] : null; - if (children) { - executeShifts(v); - var midpoint = (children[0].z + children[children.length - 1].z) / 2; - if (w) { - v.z = w.z + separation(v._, w._); - v.m = v.z - midpoint; - } else { - v.z = midpoint; - } - } else if (w) { - v.z = w.z + separation(v._, w._); - } - v.parent.A = apportion(v, w, v.parent.A || siblings[0]); - } - - // Computes all real x-coordinates by summing up the modifiers recursively. - function secondWalk(v) { - v._.x = v.z + v.parent.m; - v.m += v.parent.m; - } + pack.radius = function(x) { + return arguments.length ? (radius = optional(x), pack) : radius; + }; - // The core of the algorithm. Here, a new subtree is combined with the - // previous subtrees. Threads are used to traverse the inside and outside - // contours of the left and right subtree up to the highest common level. The - // vertices used for the traversals are vi+, vi-, vo-, and vo+, where the - // superscript o means outside and i means inside, the subscript - means left - // subtree and + means right subtree. For summing up the modifiers along the - // contour, we use respective variables si+, si-, so-, and so+. Whenever two - // nodes of the inside contours conflict, we compute the left one of the - // greatest uncommon ancestors using the function ANCESTOR and call MOVE - // SUBTREE to shift the subtree and prepare the shifts of smaller subtrees. - // Finally, we add a new thread (if necessary). - function apportion(v, w, ancestor) { - if (w) { - var vip = v, - vop = v, - vim = w, - vom = vip.parent.children[0], - sip = vip.m, - sop = vop.m, - sim = vim.m, - som = vom.m, - shift; - while (vim = nextRight(vim), vip = nextLeft(vip), vim && vip) { - vom = nextLeft(vom); - vop = nextRight(vop); - vop.a = v; - shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); - if (shift > 0) { - moveSubtree(nextAncestor(vim, v, ancestor), v, shift); - sip += shift; - sop += shift; - } - sim += vim.m; - sip += vip.m; - som += vom.m; - sop += vop.m; - } - if (vim && !nextRight(vop)) { - vop.t = vim; - vop.m += sim - sop; - } - if (vip && !nextLeft(vom)) { - vom.t = vip; - vom.m += sip - som; - ancestor = v; - } - } - return ancestor; - } + pack.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], pack) : [dx, dy]; + }; - function sizeNode(node) { - node.x *= dx; - node.y = node.depth * dy; - } + pack.padding = function(x) { + return arguments.length ? (padding = typeof x === "function" ? x : constant$8(+x), pack) : padding; + }; - tree.separation = function(x) { - return arguments.length ? (separation = x, tree) : separation; + return pack; +}; + +function radiusLeaf(radius) { + return function(node) { + if (!node.children) { + node.r = Math.max(0, +radius(node) || 0); + } }; +} - tree.size = function(x) { - return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], tree) : (nodeSize ? null : [dx, dy]); +function packChildren(padding, k) { + return function(node) { + if (children = node.children) { + var children, + i, + n = children.length, + r = padding(node) * k || 0, + e; + + if (r) for (i = 0; i < n; ++i) children[i].r += r; + e = packEnclose(children); + if (r) for (i = 0; i < n; ++i) children[i].r -= r; + node.r = e + r; + } }; +} - tree.nodeSize = function(x) { - return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], tree) : (nodeSize ? [dx, dy] : null); +function translateChild(k) { + return function(node) { + var parent = node.parent; + node.r *= k; + if (parent) { + node.x = parent.x + k * node.x; + node.y = parent.y + k * node.y; + } }; +} - return tree; +var roundNode = function(node) { + node.x0 = Math.round(node.x0); + node.y0 = Math.round(node.y0); + node.x1 = Math.round(node.x1); + node.y1 = Math.round(node.y1); }; -var treemapSlice = function(parent, x0, y0, x1, y1) { +var treemapDice = function(parent, x0, y0, x1, y1) { var nodes = parent.children, node, i = -1, n = nodes.length, - k = parent.value && (y1 - y0) / parent.value; + k = parent.value && (x1 - x0) / parent.value; while (++i < n) { - node = nodes[i], node.x0 = x0, node.x1 = x1; - node.y0 = y0, node.y1 = y0 += node.value * k; + node = nodes[i], node.y0 = y0, node.y1 = y1; + node.x0 = x0, node.x1 = x0 += node.value * k; } }; -var phi = (1 + Math.sqrt(5)) / 2; - -function squarifyRatio(ratio, parent, x0, y0, x1, y1) { - var rows = [], - nodes = parent.children, - row, - nodeValue, - i0 = 0, - i1 = 0, - n = nodes.length, - dx, dy, - value = parent.value, - sumValue, - minValue, - maxValue, - newRatio, - minRatio, - alpha, - beta; - - while (i0 < n) { - dx = x1 - x0, dy = y1 - y0; - - // Find the next non-empty node. - do sumValue = nodes[i1++].value; while (!sumValue && i1 < n); - minValue = maxValue = sumValue; - alpha = Math.max(dy / dx, dx / dy) / (value * ratio); - beta = sumValue * sumValue * alpha; - minRatio = Math.max(maxValue / beta, beta / minValue); - - // Keep adding nodes while the aspect ratio maintains or improves. - for (; i1 < n; ++i1) { - sumValue += nodeValue = nodes[i1].value; - if (nodeValue < minValue) minValue = nodeValue; - if (nodeValue > maxValue) maxValue = nodeValue; - beta = sumValue * sumValue * alpha; - newRatio = Math.max(maxValue / beta, beta / minValue); - if (newRatio > minRatio) { sumValue -= nodeValue; break; } - minRatio = newRatio; - } - - // Position and record the row orientation. - rows.push(row = {value: sumValue, dice: dx < dy, children: nodes.slice(i0, i1)}); - if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += dy * sumValue / value : y1); - else treemapSlice(row, x0, y0, value ? x0 += dx * sumValue / value : x1, y1); - value -= sumValue, i0 = i1; - } - - return rows; -} - -var squarify = (function custom(ratio) { - - function squarify(parent, x0, y0, x1, y1) { - squarifyRatio(ratio, parent, x0, y0, x1, y1); - } - - squarify.ratio = function(x) { - return custom((x = +x) > 1 ? x : 1); - }; - - return squarify; -})(phi); - -var index$1 = function() { - var tile = squarify, - round = false, - dx = 1, +var partition = function() { + var dx = 1, dy = 1, - paddingStack = [0], - paddingInner = constantZero, - paddingTop = constantZero, - paddingRight = constantZero, - paddingBottom = constantZero, - paddingLeft = constantZero; + padding = 0, + round = false; - function treemap(root) { + function partition(root) { + var n = root.height + 1; root.x0 = - root.y0 = 0; + root.y0 = padding; root.x1 = dx; - root.y1 = dy; - root.eachBefore(positionNode); - paddingStack = [0]; + root.y1 = dy / n; + root.eachBefore(positionNode(dy, n)); if (round) root.eachBefore(roundNode); return root; } - function positionNode(node) { - var p = paddingStack[node.depth], - x0 = node.x0 + p, - y0 = node.y0 + p, - x1 = node.x1 - p, - y1 = node.y1 - p; - if (x1 < x0) x0 = x1 = (x0 + x1) / 2; - if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - node.x0 = x0; - node.y0 = y0; - node.x1 = x1; - node.y1 = y1; - if (node.children) { - p = paddingStack[node.depth + 1] = paddingInner(node) / 2; - x0 += paddingLeft(node) - p; - y0 += paddingTop(node) - p; - x1 -= paddingRight(node) - p; - y1 -= paddingBottom(node) - p; + function positionNode(dy, n) { + return function(node) { + if (node.children) { + treemapDice(node, node.x0, dy * (node.depth + 1) / n, node.x1, dy * (node.depth + 2) / n); + } + var x0 = node.x0, + y0 = node.y0, + x1 = node.x1 - padding, + y1 = node.y1 - padding; if (x1 < x0) x0 = x1 = (x0 + x1) / 2; if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - tile(node, x0, y0, x1, y1); - } + node.x0 = x0; + node.y0 = y0; + node.x1 = x1; + node.y1 = y1; + }; } - treemap.round = function(x) { - return arguments.length ? (round = !!x, treemap) : round; + partition.round = function(x) { + return arguments.length ? (round = !!x, partition) : round; }; - treemap.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], treemap) : [dx, dy]; + partition.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], partition) : [dx, dy]; }; - treemap.tile = function(x) { - return arguments.length ? (tile = required(x), treemap) : tile; + partition.padding = function(x) { + return arguments.length ? (padding = +x, partition) : padding; }; - treemap.padding = function(x) { - return arguments.length ? treemap.paddingInner(x).paddingOuter(x) : treemap.paddingInner(); - }; + return partition; +}; + +var keyPrefix$1 = "$"; +var preroot = {depth: -1}; +var ambiguous = {}; + +function defaultId(d) { + return d.id; +} + +function defaultParentId(d) { + return d.parentId; +} + +var stratify = function() { + var id = defaultId, + parentId = defaultParentId; + + function stratify(data) { + var d, + i, + n = data.length, + root, + parent, + node, + nodes = new Array(n), + nodeId, + nodeKey, + nodeByKey = {}; + + for (i = 0; i < n; ++i) { + d = data[i], node = nodes[i] = new Node(d); + if ((nodeId = id(d, i, data)) != null && (nodeId += "")) { + nodeKey = keyPrefix$1 + (node.id = nodeId); + nodeByKey[nodeKey] = nodeKey in nodeByKey ? ambiguous : node; + } + } + + for (i = 0; i < n; ++i) { + node = nodes[i], nodeId = parentId(data[i], i, data); + if (nodeId == null || !(nodeId += "")) { + if (root) throw new Error("multiple roots"); + root = node; + } else { + parent = nodeByKey[keyPrefix$1 + nodeId]; + if (!parent) throw new Error("missing: " + nodeId); + if (parent === ambiguous) throw new Error("ambiguous: " + nodeId); + if (parent.children) parent.children.push(node); + else parent.children = [node]; + node.parent = parent; + } + } + + if (!root) throw new Error("no root"); + root.parent = preroot; + root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight); + root.parent = null; + if (n > 0) throw new Error("cycle"); + + return root; + } - treemap.paddingInner = function(x) { - return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$6(+x), treemap) : paddingInner; + stratify.id = function(x) { + return arguments.length ? (id = required(x), stratify) : id; }; - treemap.paddingOuter = function(x) { - return arguments.length ? treemap.paddingTop(x).paddingRight(x).paddingBottom(x).paddingLeft(x) : treemap.paddingTop(); + stratify.parentId = function(x) { + return arguments.length ? (parentId = required(x), stratify) : parentId; }; - treemap.paddingTop = function(x) { - return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$6(+x), treemap) : paddingTop; - }; + return stratify; +}; - treemap.paddingRight = function(x) { - return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$6(+x), treemap) : paddingRight; - }; +function defaultSeparation$1(a, b) { + return a.parent === b.parent ? 1 : 2; +} - treemap.paddingBottom = function(x) { - return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$6(+x), treemap) : paddingBottom; - }; +// function radialSeparation(a, b) { +// return (a.parent === b.parent ? 1 : 2) / a.depth; +// } - treemap.paddingLeft = function(x) { - return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$6(+x), treemap) : paddingLeft; - }; +// This function is used to traverse the left contour of a subtree (or +// subforest). It returns the successor of v on this contour. This successor is +// either given by the leftmost child of v or by the thread of v. The function +// returns null if and only if v is on the highest level of its subtree. +function nextLeft(v) { + var children = v.children; + return children ? children[0] : v.t; +} - return treemap; -}; +// This function works analogously to nextLeft. +function nextRight(v) { + var children = v.children; + return children ? children[children.length - 1] : v.t; +} -var binary = function(parent, x0, y0, x1, y1) { - var nodes = parent.children, - i, n = nodes.length, - sum, sums = new Array(n + 1); +// Shifts the current subtree rooted at w+. This is done by increasing +// prelim(w+) and mod(w+) by shift. +function moveSubtree(wm, wp, shift) { + var change = shift / (wp.i - wm.i); + wp.c -= change; + wp.s += shift; + wm.c += change; + wp.z += shift; + wp.m += shift; +} - for (sums[0] = sum = i = 0; i < n; ++i) { - sums[i + 1] = sum += nodes[i].value; +// All other shifts, applied to the smaller subtrees between w- and w+, are +// performed by this function. To prepare the shifts, we have to adjust +// change(w+), shift(w+), and change(w-). +function executeShifts(v) { + var shift = 0, + change = 0, + children = v.children, + i = children.length, + w; + while (--i >= 0) { + w = children[i]; + w.z += shift; + w.m += shift; + shift += w.s + (change += w.c); } +} - partition(0, n, parent.value, x0, y0, x1, y1); +// If vi-’s ancestor is a sibling of v, returns vi-’s ancestor. Otherwise, +// returns the specified (default) ancestor. +function nextAncestor(vim, v, ancestor) { + return vim.a.parent === v.parent ? vim.a : ancestor; +} - function partition(i, j, value, x0, y0, x1, y1) { - if (i >= j - 1) { - var node = nodes[i]; - node.x0 = x0, node.y0 = y0; - node.x1 = x1, node.y1 = y1; - return; - } +function TreeNode(node, i) { + this._ = node; + this.parent = null; + this.children = null; + this.A = null; // default ancestor + this.a = this; // ancestor + this.z = 0; // prelim + this.m = 0; // mod + this.c = 0; // change + this.s = 0; // shift + this.t = null; // thread + this.i = i; // number +} - var valueOffset = sums[i], - valueTarget = (value / 2) + valueOffset, - k = i + 1, - hi = j - 1; +TreeNode.prototype = Object.create(Node.prototype); - while (k < hi) { - var mid = k + hi >>> 1; - if (sums[mid] < valueTarget) k = mid + 1; - else hi = mid; +function treeRoot(root) { + var tree = new TreeNode(root, 0), + node, + nodes = [tree], + child, + children, + i, + n; + + while (node = nodes.pop()) { + if (children = node._.children) { + node.children = new Array(n = children.length); + for (i = n - 1; i >= 0; --i) { + nodes.push(child = node.children[i] = new TreeNode(children[i], i)); + child.parent = node; + } } + } - var valueLeft = sums[k] - valueOffset, - valueRight = value - valueLeft; + (tree.parent = new TreeNode(null, 0)).children = [tree]; + return tree; +} - if ((y1 - y0) > (x1 - x0)) { - var yk = (y0 * valueRight + y1 * valueLeft) / value; - partition(i, k, valueLeft, x0, y0, x1, yk); - partition(k, j, valueRight, x0, yk, x1, y1); - } else { - var xk = (x0 * valueRight + x1 * valueLeft) / value; - partition(i, k, valueLeft, x0, y0, xk, y1); - partition(k, j, valueRight, xk, y0, x1, y1); +// Node-link tree diagram using the Reingold-Tilford "tidy" algorithm +var tree = function() { + var separation = defaultSeparation$1, + dx = 1, + dy = 1, + nodeSize = null; + + function tree(root) { + var t = treeRoot(root); + + // Compute the layout using Buchheim et al.’s algorithm. + t.eachAfter(firstWalk), t.parent.m = -t.z; + t.eachBefore(secondWalk); + + // If a fixed node size is specified, scale x and y. + if (nodeSize) root.eachBefore(sizeNode); + + // If a fixed tree size is specified, scale x and y based on the extent. + // Compute the left-most, right-most, and depth-most nodes for extents. + else { + var left = root, + right = root, + bottom = root; + root.eachBefore(function(node) { + if (node.x < left.x) left = node; + if (node.x > right.x) right = node; + if (node.depth > bottom.depth) bottom = node; + }); + var s = left === right ? 1 : separation(left, right) / 2, + tx = s - left.x, + kx = dx / (right.x + s + tx), + ky = dy / (bottom.depth || 1); + root.eachBefore(function(node) { + node.x = (node.x + tx) * kx; + node.y = node.depth * ky; + }); } - } -}; -var sliceDice = function(parent, x0, y0, x1, y1) { - (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); -}; + return root; + } -var resquarify = (function custom(ratio) { + // Computes a preliminary x-coordinate for v. Before that, FIRST WALK is + // applied recursively to the children of v, as well as the function + // APPORTION. After spacing out the children by calling EXECUTE SHIFTS, the + // node v is placed to the midpoint of its outermost children. + function firstWalk(v) { + var children = v.children, + siblings = v.parent.children, + w = v.i ? siblings[v.i - 1] : null; + if (children) { + executeShifts(v); + var midpoint = (children[0].z + children[children.length - 1].z) / 2; + if (w) { + v.z = w.z + separation(v._, w._); + v.m = v.z - midpoint; + } else { + v.z = midpoint; + } + } else if (w) { + v.z = w.z + separation(v._, w._); + } + v.parent.A = apportion(v, w, v.parent.A || siblings[0]); + } - function resquarify(parent, x0, y0, x1, y1) { - if ((rows = parent._squarify) && (rows.ratio === ratio)) { - var rows, - row, - nodes, - i, - j = -1, - n, - m = rows.length, - value = parent.value; + // Computes all real x-coordinates by summing up the modifiers recursively. + function secondWalk(v) { + v._.x = v.z + v.parent.m; + v.m += v.parent.m; + } - while (++j < m) { - row = rows[j], nodes = row.children; - for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value; - if (row.dice) treemapDice(row, x0, y0, x1, y0 += (y1 - y0) * row.value / value); - else treemapSlice(row, x0, y0, x0 += (x1 - x0) * row.value / value, y1); - value -= row.value; + // The core of the algorithm. Here, a new subtree is combined with the + // previous subtrees. Threads are used to traverse the inside and outside + // contours of the left and right subtree up to the highest common level. The + // vertices used for the traversals are vi+, vi-, vo-, and vo+, where the + // superscript o means outside and i means inside, the subscript - means left + // subtree and + means right subtree. For summing up the modifiers along the + // contour, we use respective variables si+, si-, so-, and so+. Whenever two + // nodes of the inside contours conflict, we compute the left one of the + // greatest uncommon ancestors using the function ANCESTOR and call MOVE + // SUBTREE to shift the subtree and prepare the shifts of smaller subtrees. + // Finally, we add a new thread (if necessary). + function apportion(v, w, ancestor) { + if (w) { + var vip = v, + vop = v, + vim = w, + vom = vip.parent.children[0], + sip = vip.m, + sop = vop.m, + sim = vim.m, + som = vom.m, + shift; + while (vim = nextRight(vim), vip = nextLeft(vip), vim && vip) { + vom = nextLeft(vom); + vop = nextRight(vop); + vop.a = v; + shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); + if (shift > 0) { + moveSubtree(nextAncestor(vim, v, ancestor), v, shift); + sip += shift; + sop += shift; + } + sim += vim.m; + sip += vip.m; + som += vom.m; + sop += vop.m; + } + if (vim && !nextRight(vop)) { + vop.t = vim; + vop.m += sim - sop; + } + if (vip && !nextLeft(vom)) { + vom.t = vip; + vom.m += sip - som; + ancestor = v; } - } else { - parent._squarify = rows = squarifyRatio(ratio, parent, x0, y0, x1, y1); - rows.ratio = ratio; } + return ancestor; } - resquarify.ratio = function(x) { - return custom((x = +x) > 1 ? x : 1); - }; - - return resquarify; -})(phi); - -var center$1 = function(x, y) { - var nodes; - - if (x == null) x = 0; - if (y == null) y = 0; - - function force() { - var i, - n = nodes.length, - node, - sx = 0, - sy = 0; - - for (i = 0; i < n; ++i) { - node = nodes[i], sx += node.x, sy += node.y; - } - - for (sx = sx / n - x, sy = sy / n - y, i = 0; i < n; ++i) { - node = nodes[i], node.x -= sx, node.y -= sy; - } + function sizeNode(node) { + node.x *= dx; + node.y = node.depth * dy; } - force.initialize = function(_) { - nodes = _; + tree.separation = function(x) { + return arguments.length ? (separation = x, tree) : separation; }; - force.x = function(_) { - return arguments.length ? (x = +_, force) : x; + tree.size = function(x) { + return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], tree) : (nodeSize ? null : [dx, dy]); }; - force.y = function(_) { - return arguments.length ? (y = +_, force) : y; + tree.nodeSize = function(x) { + return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], tree) : (nodeSize ? [dx, dy] : null); }; - return force; + return tree; }; -var constant$7 = function(x) { - return function() { - return x; - }; -}; +var treemapSlice = function(parent, x0, y0, x1, y1) { + var nodes = parent.children, + node, + i = -1, + n = nodes.length, + k = parent.value && (y1 - y0) / parent.value; -var jiggle = function() { - return (Math.random() - 0.5) * 1e-6; + while (++i < n) { + node = nodes[i], node.x0 = x0, node.x1 = x1; + node.y0 = y0, node.y1 = y0 += node.value * k; + } }; -function x$1(d) { - return d.x + d.vx; -} - -function y$1(d) { - return d.y + d.vy; -} - -var collide = function(radius) { - var nodes, - radii, - strength = 1, - iterations = 1; - - if (typeof radius !== "function") radius = constant$7(radius == null ? 1 : +radius); +var phi = (1 + Math.sqrt(5)) / 2; - function force() { - var i, n = nodes.length, - tree, - node, - xi, - yi, - ri, - ri2; +function squarifyRatio(ratio, parent, x0, y0, x1, y1) { + var rows = [], + nodes = parent.children, + row, + nodeValue, + i0 = 0, + i1 = 0, + n = nodes.length, + dx, dy, + value = parent.value, + sumValue, + minValue, + maxValue, + newRatio, + minRatio, + alpha, + beta; - for (var k = 0; k < iterations; ++k) { - tree = quadtree(nodes, x$1, y$1).visitAfter(prepare); - for (i = 0; i < n; ++i) { - node = nodes[i]; - ri = radii[node.index], ri2 = ri * ri; - xi = node.x + node.vx; - yi = node.y + node.vy; - tree.visit(apply); - } - } + while (i0 < n) { + dx = x1 - x0, dy = y1 - y0; - function apply(quad, x0, y0, x1, y1) { - var data = quad.data, rj = quad.r, r = ri + rj; - if (data) { - if (data.index > node.index) { - var x = xi - data.x - data.vx, - y = yi - data.y - data.vy, - l = x * x + y * y; - if (l < r * r) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - l = (r - (l = Math.sqrt(l))) / l * strength; - node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj)); - node.vy += (y *= l) * r; - data.vx -= x * (r = 1 - r); - data.vy -= y * r; - } - } - return; - } - return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r; - } - } + // Find the next non-empty node. + do sumValue = nodes[i1++].value; while (!sumValue && i1 < n); + minValue = maxValue = sumValue; + alpha = Math.max(dy / dx, dx / dy) / (value * ratio); + beta = sumValue * sumValue * alpha; + minRatio = Math.max(maxValue / beta, beta / minValue); - function prepare(quad) { - if (quad.data) return quad.r = radii[quad.data.index]; - for (var i = quad.r = 0; i < 4; ++i) { - if (quad[i] && quad[i].r > quad.r) { - quad.r = quad[i].r; - } + // Keep adding nodes while the aspect ratio maintains or improves. + for (; i1 < n; ++i1) { + sumValue += nodeValue = nodes[i1].value; + if (nodeValue < minValue) minValue = nodeValue; + if (nodeValue > maxValue) maxValue = nodeValue; + beta = sumValue * sumValue * alpha; + newRatio = Math.max(maxValue / beta, beta / minValue); + if (newRatio > minRatio) { sumValue -= nodeValue; break; } + minRatio = newRatio; } - } - function initialize() { - if (!nodes) return; - var i, n = nodes.length, node; - radii = new Array(n); - for (i = 0; i < n; ++i) node = nodes[i], radii[node.index] = +radius(node, i, nodes); + // Position and record the row orientation. + rows.push(row = {value: sumValue, dice: dx < dy, children: nodes.slice(i0, i1)}); + if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += dy * sumValue / value : y1); + else treemapSlice(row, x0, y0, value ? x0 += dx * sumValue / value : x1, y1); + value -= sumValue, i0 = i1; } - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.iterations = function(_) { - return arguments.length ? (iterations = +_, force) : iterations; - }; - - force.strength = function(_) { - return arguments.length ? (strength = +_, force) : strength; - }; - - force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : radius; - }; - - return force; -}; - -function index$2(d) { - return d.index; -} - -function find(nodeById, nodeId) { - var node = nodeById.get(nodeId); - if (!node) throw new Error("missing: " + nodeId); - return node; + return rows; } -var link = function(links) { - var id = index$2, - strength = defaultStrength, - strengths, - distance = constant$7(30), - distances, - nodes, - count, - bias, - iterations = 1; - - if (links == null) links = []; +var squarify = ((function custom(ratio) { - function defaultStrength(link) { - return 1 / Math.min(count[link.source.index], count[link.target.index]); + function squarify(parent, x0, y0, x1, y1) { + squarifyRatio(ratio, parent, x0, y0, x1, y1); } - function force(alpha) { - for (var k = 0, n = links.length; k < iterations; ++k) { - for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) { - link = links[i], source = link.source, target = link.target; - x = target.x + target.vx - source.x - source.vx || jiggle(); - y = target.y + target.vy - source.y - source.vy || jiggle(); - l = Math.sqrt(x * x + y * y); - l = (l - distances[i]) / l * alpha * strengths[i]; - x *= l, y *= l; - target.vx -= x * (b = bias[i]); - target.vy -= y * b; - source.vx += x * (b = 1 - b); - source.vy += y * b; - } - } - } + squarify.ratio = function(x) { + return custom((x = +x) > 1 ? x : 1); + }; - function initialize() { - if (!nodes) return; + return squarify; +}))(phi); - var i, - n = nodes.length, - m = links.length, - nodeById = map$1(nodes, id), - link; +var index$3 = function() { + var tile = squarify, + round = false, + dx = 1, + dy = 1, + paddingStack = [0], + paddingInner = constantZero, + paddingTop = constantZero, + paddingRight = constantZero, + paddingBottom = constantZero, + paddingLeft = constantZero; - for (i = 0, count = new Array(n); i < m; ++i) { - link = links[i], link.index = i; - if (typeof link.source !== "object") link.source = find(nodeById, link.source); - if (typeof link.target !== "object") link.target = find(nodeById, link.target); - count[link.source.index] = (count[link.source.index] || 0) + 1; - count[link.target.index] = (count[link.target.index] || 0) + 1; - } + function treemap(root) { + root.x0 = + root.y0 = 0; + root.x1 = dx; + root.y1 = dy; + root.eachBefore(positionNode); + paddingStack = [0]; + if (round) root.eachBefore(roundNode); + return root; + } - for (i = 0, bias = new Array(m); i < m; ++i) { - link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]); + function positionNode(node) { + var p = paddingStack[node.depth], + x0 = node.x0 + p, + y0 = node.y0 + p, + x1 = node.x1 - p, + y1 = node.y1 - p; + if (x1 < x0) x0 = x1 = (x0 + x1) / 2; + if (y1 < y0) y0 = y1 = (y0 + y1) / 2; + node.x0 = x0; + node.y0 = y0; + node.x1 = x1; + node.y1 = y1; + if (node.children) { + p = paddingStack[node.depth + 1] = paddingInner(node) / 2; + x0 += paddingLeft(node) - p; + y0 += paddingTop(node) - p; + x1 -= paddingRight(node) - p; + y1 -= paddingBottom(node) - p; + if (x1 < x0) x0 = x1 = (x0 + x1) / 2; + if (y1 < y0) y0 = y1 = (y0 + y1) / 2; + tile(node, x0, y0, x1, y1); } - - strengths = new Array(m), initializeStrength(); - distances = new Array(m), initializeDistance(); } - function initializeStrength() { - if (!nodes) return; + treemap.round = function(x) { + return arguments.length ? (round = !!x, treemap) : round; + }; - for (var i = 0, n = links.length; i < n; ++i) { - strengths[i] = +strength(links[i], i, links); - } - } + treemap.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], treemap) : [dx, dy]; + }; - function initializeDistance() { - if (!nodes) return; + treemap.tile = function(x) { + return arguments.length ? (tile = required(x), treemap) : tile; + }; - for (var i = 0, n = links.length; i < n; ++i) { - distances[i] = +distance(links[i], i, links); - } - } + treemap.padding = function(x) { + return arguments.length ? treemap.paddingInner(x).paddingOuter(x) : treemap.paddingInner(); + }; - force.initialize = function(_) { - nodes = _; - initialize(); + treemap.paddingInner = function(x) { + return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$8(+x), treemap) : paddingInner; }; - force.links = function(_) { - return arguments.length ? (links = _, initialize(), force) : links; + treemap.paddingOuter = function(x) { + return arguments.length ? treemap.paddingTop(x).paddingRight(x).paddingBottom(x).paddingLeft(x) : treemap.paddingTop(); }; - force.id = function(_) { - return arguments.length ? (id = _, force) : id; + treemap.paddingTop = function(x) { + return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$8(+x), treemap) : paddingTop; }; - force.iterations = function(_) { - return arguments.length ? (iterations = +_, force) : iterations; + treemap.paddingRight = function(x) { + return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$8(+x), treemap) : paddingRight; }; - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initializeStrength(), force) : strength; + treemap.paddingBottom = function(x) { + return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$8(+x), treemap) : paddingBottom; }; - force.distance = function(_) { - return arguments.length ? (distance = typeof _ === "function" ? _ : constant$7(+_), initializeDistance(), force) : distance; + treemap.paddingLeft = function(x) { + return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$8(+x), treemap) : paddingLeft; }; - return force; + return treemap; }; -function x$2(d) { - return d.x; -} +var binary = function(parent, x0, y0, x1, y1) { + var nodes = parent.children, + i, n = nodes.length, + sum, sums = new Array(n + 1); -function y$2(d) { - return d.y; -} + for (sums[0] = sum = i = 0; i < n; ++i) { + sums[i + 1] = sum += nodes[i].value; + } -var initialRadius = 10; -var initialAngle = Math.PI * (3 - Math.sqrt(5)); + partition(0, n, parent.value, x0, y0, x1, y1); -var simulation = function(nodes) { - var simulation, - alpha = 1, - alphaMin = 0.001, - alphaDecay = 1 - Math.pow(alphaMin, 1 / 300), - alphaTarget = 0, - velocityDecay = 0.6, - forces = map$1(), - stepper = timer(step), - event = dispatch("tick", "end"); + function partition(i, j, value, x0, y0, x1, y1) { + if (i >= j - 1) { + var node = nodes[i]; + node.x0 = x0, node.y0 = y0; + node.x1 = x1, node.y1 = y1; + return; + } - if (nodes == null) nodes = []; + var valueOffset = sums[i], + valueTarget = (value / 2) + valueOffset, + k = i + 1, + hi = j - 1; - function step() { - tick(); - event.call("tick", simulation); - if (alpha < alphaMin) { - stepper.stop(); - event.call("end", simulation); + while (k < hi) { + var mid = k + hi >>> 1; + if (sums[mid] < valueTarget) k = mid + 1; + else hi = mid; + } + + var valueLeft = sums[k] - valueOffset, + valueRight = value - valueLeft; + + if ((y1 - y0) > (x1 - x0)) { + var yk = (y0 * valueRight + y1 * valueLeft) / value; + partition(i, k, valueLeft, x0, y0, x1, yk); + partition(k, j, valueRight, x0, yk, x1, y1); + } else { + var xk = (x0 * valueRight + x1 * valueLeft) / value; + partition(i, k, valueLeft, x0, y0, xk, y1); + partition(k, j, valueRight, xk, y0, x1, y1); } } +}; - function tick() { - var i, n = nodes.length, node; +var sliceDice = function(parent, x0, y0, x1, y1) { + (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); +}; - alpha += (alphaTarget - alpha) * alphaDecay; +var resquarify = ((function custom(ratio) { - forces.each(function(force) { - force(alpha); - }); + function resquarify(parent, x0, y0, x1, y1) { + if ((rows = parent._squarify) && (rows.ratio === ratio)) { + var rows, + row, + nodes, + i, + j = -1, + n, + m = rows.length, + value = parent.value; - for (i = 0; i < n; ++i) { - node = nodes[i]; - if (node.fx == null) node.x += node.vx *= velocityDecay; - else node.x = node.fx, node.vx = 0; - if (node.fy == null) node.y += node.vy *= velocityDecay; - else node.y = node.fy, node.vy = 0; + while (++j < m) { + row = rows[j], nodes = row.children; + for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value; + if (row.dice) treemapDice(row, x0, y0, x1, y0 += (y1 - y0) * row.value / value); + else treemapSlice(row, x0, y0, x0 += (x1 - x0) * row.value / value, y1); + value -= row.value; + } + } else { + parent._squarify = rows = squarifyRatio(ratio, parent, x0, y0, x1, y1); + rows.ratio = ratio; } } - function initializeNodes() { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.index = i; - if (isNaN(node.x) || isNaN(node.y)) { - var radius = initialRadius * Math.sqrt(i), angle = i * initialAngle; - node.x = radius * Math.cos(angle); - node.y = radius * Math.sin(angle); - } - if (isNaN(node.vx) || isNaN(node.vy)) { - node.vx = node.vy = 0; - } - } + resquarify.ratio = function(x) { + return custom((x = +x) > 1 ? x : 1); + }; + + return resquarify; +}))(phi); + +var area$1 = function(polygon) { + var i = -1, + n = polygon.length, + a, + b = polygon[n - 1], + area = 0; + + while (++i < n) { + a = b; + b = polygon[i]; + area += a[1] * b[0] - a[0] * b[1]; } - function initializeForce(force) { - if (force.initialize) force.initialize(nodes); - return force; + return area / 2; +}; + +var centroid$1 = function(polygon) { + var i = -1, + n = polygon.length, + x = 0, + y = 0, + a, + b = polygon[n - 1], + c, + k = 0; + + while (++i < n) { + a = b; + b = polygon[i]; + k += c = a[0] * b[1] - b[0] * a[1]; + x += (a[0] + b[0]) * c; + y += (a[1] + b[1]) * c; } - initializeNodes(); + return k *= 3, [x / k, y / k]; +}; - return simulation = { - tick: tick, +// Returns the 2D cross product of AB and AC vectors, i.e., the z-component of +// the 3D cross product in a quadrant I Cartesian coordinate system (+x is +// right, +y is up). Returns a positive value if ABC is counter-clockwise, +// negative if clockwise, and zero if the points are collinear. +var cross$1 = function(a, b, c) { + return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); +}; - restart: function() { - return stepper.restart(step), simulation; - }, +function lexicographicOrder(a, b) { + return a[0] - b[0] || a[1] - b[1]; +} - stop: function() { - return stepper.stop(), simulation; - }, +// Computes the upper convex hull per the monotone chain algorithm. +// Assumes points.length >= 3, is sorted by x, unique in y. +// Returns an array of indices into points in left-to-right order. +function computeUpperHullIndexes(points) { + var n = points.length, + indexes = [0, 1], + size = 2; - nodes: function(_) { - return arguments.length ? (nodes = _, initializeNodes(), forces.each(initializeForce), simulation) : nodes; - }, + for (var i = 2; i < n; ++i) { + while (size > 1 && cross$1(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size; + indexes[size++] = i; + } - alpha: function(_) { - return arguments.length ? (alpha = +_, simulation) : alpha; - }, + return indexes.slice(0, size); // remove popped points +} - alphaMin: function(_) { - return arguments.length ? (alphaMin = +_, simulation) : alphaMin; - }, +var hull = function(points) { + if ((n = points.length) < 3) return null; - alphaDecay: function(_) { - return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay; - }, + var i, + n, + sortedPoints = new Array(n), + flippedPoints = new Array(n); - alphaTarget: function(_) { - return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget; - }, + for (i = 0; i < n; ++i) sortedPoints[i] = [+points[i][0], +points[i][1], i]; + sortedPoints.sort(lexicographicOrder); + for (i = 0; i < n; ++i) flippedPoints[i] = [sortedPoints[i][0], -sortedPoints[i][1]]; - velocityDecay: function(_) { - return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay; - }, + var upperIndexes = computeUpperHullIndexes(sortedPoints), + lowerIndexes = computeUpperHullIndexes(flippedPoints); - force: function(name, _) { - return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); - }, + // Construct the hull polygon, removing possible duplicate endpoints. + var skipLeft = lowerIndexes[0] === upperIndexes[0], + skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1], + hull = []; - find: function(x, y, radius) { - var i = 0, - n = nodes.length, - dx, - dy, - d2, - node, - closest; + // Add upper hull in right-to-l order. + // Then add lower hull in left-to-right order. + for (i = upperIndexes.length - 1; i >= 0; --i) hull.push(points[sortedPoints[upperIndexes[i]][2]]); + for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]); - if (radius == null) radius = Infinity; - else radius *= radius; + return hull; +}; - for (i = 0; i < n; ++i) { - node = nodes[i]; - dx = x - node.x; - dy = y - node.y; - d2 = dx * dx + dy * dy; - if (d2 < radius) closest = node, radius = d2; - } +var contains$1 = function(polygon, point) { + var n = polygon.length, + p = polygon[n - 1], + x = point[0], y = point[1], + x0 = p[0], y0 = p[1], + x1, y1, + inside = false; - return closest; - }, + for (var i = 0; i < n; ++i) { + p = polygon[i], x1 = p[0], y1 = p[1]; + if (((y1 > y) !== (y0 > y)) && (x < (x0 - x1) * (y - y1) / (y0 - y1) + x1)) inside = !inside; + x0 = x1, y0 = y1; + } - on: function(name, _) { - return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); - } - }; + return inside; }; -var manyBody = function() { - var nodes, - node, - alpha, - strength = constant$7(-30), - strengths, - distanceMin2 = 1, - distanceMax2 = Infinity, - theta2 = 0.81; +var length$2 = function(polygon) { + var i = -1, + n = polygon.length, + b = polygon[n - 1], + xa, + ya, + xb = b[0], + yb = b[1], + perimeter = 0; - function force(_) { - var i, n = nodes.length, tree = quadtree(nodes, x$2, y$2).visitAfter(accumulate); - for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); + while (++i < n) { + xa = xb; + ya = yb; + b = polygon[i]; + xb = b[0]; + yb = b[1]; + xa -= xb; + ya -= yb; + perimeter += Math.sqrt(xa * xa + ya * ya); } - function initialize() { - if (!nodes) return; - var i, n = nodes.length, node; - strengths = new Array(n); - for (i = 0; i < n; ++i) node = nodes[i], strengths[node.index] = +strength(node, i, nodes); - } + return perimeter; +}; - function accumulate(quad) { - var strength = 0, q, c, x$$1, y$$1, i; +var slice$3 = [].slice; - // For internal nodes, accumulate forces from child quadrants. - if (quad.length) { - for (x$$1 = y$$1 = i = 0; i < 4; ++i) { - if ((q = quad[i]) && (c = q.value)) { - strength += c, x$$1 += c * q.x, y$$1 += c * q.y; - } - } - quad.x = x$$1 / strength; - quad.y = y$$1 / strength; - } +var noabort = {}; - // For leaf nodes, accumulate forces from coincident quadrants. - else { - q = quad; - q.x = q.data.x; - q.y = q.data.y; - do strength += strengths[q.data.index]; - while (q = q.next); - } +function Queue(size) { + if (!(size >= 1)) throw new Error; + this._size = size; + this._call = + this._error = null; + this._tasks = []; + this._data = []; + this._waiting = + this._active = + this._ended = + this._start = 0; // inside a synchronous task callback? +} - quad.value = strength; +Queue.prototype = queue.prototype = { + constructor: Queue, + defer: function(callback) { + if (typeof callback !== "function" || this._call) throw new Error; + if (this._error != null) return this; + var t = slice$3.call(arguments, 1); + t.push(callback); + ++this._waiting, this._tasks.push(t); + poke$1(this); + return this; + }, + abort: function() { + if (this._error == null) abort(this, new Error("abort")); + return this; + }, + await: function(callback) { + if (typeof callback !== "function" || this._call) throw new Error; + this._call = function(error, results) { callback.apply(null, [error].concat(results)); }; + maybeNotify(this); + return this; + }, + awaitAll: function(callback) { + if (typeof callback !== "function" || this._call) throw new Error; + this._call = callback; + maybeNotify(this); + return this; } +}; - function apply(quad, x1, _, x2) { - if (!quad.value) return true; - - var x$$1 = quad.x - node.x, - y$$1 = quad.y - node.y, - w = x2 - x1, - l = x$$1 * x$$1 + y$$1 * y$$1; - - // Apply the Barnes-Hut approximation if possible. - // Limit forces for very close nodes; randomize direction if coincident. - if (w * w / theta2 < l) { - if (l < distanceMax2) { - if (x$$1 === 0) x$$1 = jiggle(), l += x$$1 * x$$1; - if (y$$1 === 0) y$$1 = jiggle(), l += y$$1 * y$$1; - if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); - node.vx += x$$1 * quad.value * alpha / l; - node.vy += y$$1 * quad.value * alpha / l; - } - return true; +function poke$1(q) { + if (!q._start) { + try { start$1(q); } // let the current task complete + catch (e) { + if (q._tasks[q._ended + q._active - 1]) abort(q, e); // task errored synchronously + else if (!q._data) throw e; // await callback errored synchronously } + } +} - // Otherwise, process points directly. - else if (quad.length || l >= distanceMax2) return; +function start$1(q) { + while (q._start = q._waiting && q._active < q._size) { + var i = q._ended + q._active, + t = q._tasks[i], + j = t.length - 1, + c = t[j]; + t[j] = end(q, i); + --q._waiting, ++q._active; + t = c.apply(null, t); + if (!q._tasks[i]) continue; // task finished synchronously + q._tasks[i] = t || noabort; + } +} - // Limit forces for very close nodes; randomize direction if coincident. - if (quad.data !== node || quad.next) { - if (x$$1 === 0) x$$1 = jiggle(), l += x$$1 * x$$1; - if (y$$1 === 0) y$$1 = jiggle(), l += y$$1 * y$$1; - if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); +function end(q, i) { + return function(e, r) { + if (!q._tasks[i]) return; // ignore multiple callbacks + --q._active, ++q._ended; + q._tasks[i] = null; + if (q._error != null) return; // ignore secondary errors + if (e != null) { + abort(q, e); + } else { + q._data[i] = r; + if (q._waiting) poke$1(q); + else maybeNotify(q); } + }; +} - do if (quad.data !== node) { - w = strengths[quad.data.index] * alpha / l; - node.vx += x$$1 * w; - node.vy += y$$1 * w; - } while (quad = quad.next); - } +function abort(q, e) { + var i = q._tasks.length, t; + q._error = e; // ignore active callbacks + q._data = undefined; // allow gc + q._waiting = NaN; // prevent starting - force.initialize = function(_) { - nodes = _; - initialize(); - }; + while (--i >= 0) { + if (t = q._tasks[i]) { + q._tasks[i] = null; + if (t.abort) { + try { t.abort(); } + catch (e) { /* ignore */ } + } + } + } - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; - }; + q._active = NaN; // allow notification + maybeNotify(q); +} - force.distanceMin = function(_) { - return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2); - }; +function maybeNotify(q) { + if (!q._active && q._call) { + var d = q._data; + q._data = undefined; // allow gc + q._call(q._error, d); + } +} - force.distanceMax = function(_) { - return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2); - }; +function queue(concurrency) { + return new Queue(arguments.length ? +concurrency : Infinity); +} - force.theta = function(_) { - return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2); +var uniform = function(min, max) { + min = min == null ? 0 : +min; + max = max == null ? 1 : +max; + if (arguments.length === 1) max = min, min = 0; + else max -= min; + return function() { + return Math.random() * max + min; }; - - return force; }; -var x$3 = function(x) { - var strength = constant$7(0.1), - nodes, - strengths, - xz; +var normal = function(mu, sigma) { + var x, r; + mu = mu == null ? 0 : +mu; + sigma = sigma == null ? 1 : +sigma; + return function() { + var y; - if (typeof x !== "function") x = constant$7(x == null ? 0 : +x); + // If available, use the second previously-generated uniform random. + if (x != null) y = x, x = null; - function force(alpha) { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha; - } - } + // Otherwise, generate a new x and y. + else do { + x = Math.random() * 2 - 1; + y = Math.random() * 2 - 1; + r = x * x + y * y; + } while (!r || r > 1); - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - xz = new Array(n); - for (i = 0; i < n; ++i) { - strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); - } - } + return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); + }; +}; - force.initialize = function(_) { - nodes = _; - initialize(); +var logNormal = function() { + var randomNormal = normal.apply(this, arguments); + return function() { + return Math.exp(randomNormal()); }; +}; - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; +var irwinHall = function(n) { + return function() { + for (var sum = 0, i = 0; i < n; ++i) sum += Math.random(); + return sum; }; +}; - force.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : x; +var bates = function(n) { + var randomIrwinHall = irwinHall(n); + return function() { + return randomIrwinHall() / n; }; +}; - return force; +var exponential$1 = function(lambda) { + return function() { + return -Math.log(1 - Math.random()) / lambda; + }; }; -var y$3 = function(y) { - var strength = constant$7(0.1), - nodes, - strengths, - yz; +var request = function(url, callback) { + var request, + event = dispatch("beforesend", "progress", "load", "error"), + mimeType, + headers = map$1(), + xhr = new XMLHttpRequest, + user = null, + password = null, + response, + responseType, + timeout = 0; - if (typeof y !== "function") y = constant$7(y == null ? 0 : +y); + // If IE does not support CORS, use XDomainRequest. + if (typeof XDomainRequest !== "undefined" + && !("withCredentials" in xhr) + && /^(http(s)?:)?\/\//.test(url)) xhr = new XDomainRequest; - function force(alpha) { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha; - } - } + "onload" in xhr + ? xhr.onload = xhr.onerror = xhr.ontimeout = respond + : xhr.onreadystatechange = function(o) { xhr.readyState > 3 && respond(o); }; - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - yz = new Array(n); - for (i = 0; i < n; ++i) { - strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + function respond(o) { + var status = xhr.status, result; + if (!status && hasResponse(xhr) + || status >= 200 && status < 300 + || status === 304) { + if (response) { + try { + result = response.call(request, xhr); + } catch (e) { + event.call("error", request, e); + return; + } + } else { + result = xhr; + } + event.call("load", request, result); + } else { + event.call("error", request, o); } } - force.initialize = function(_) { - nodes = _; - initialize(); + xhr.onprogress = function(e) { + event.call("progress", request, e); }; - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; - }; + request = { + header: function(name, value) { + name = (name + "").toLowerCase(); + if (arguments.length < 2) return headers.get(name); + if (value == null) headers.remove(name); + else headers.set(name, value + ""); + return request; + }, - force.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : y; - }; + // If mimeType is non-null and no Accept header is set, a default is used. + mimeType: function(value) { + if (!arguments.length) return mimeType; + mimeType = value == null ? null : value + ""; + return request; + }, - return force; -}; + // Specifies what type the response value should take; + // for instance, arraybuffer, blob, document, or text. + responseType: function(value) { + if (!arguments.length) return responseType; + responseType = value; + return request; + }, -function nopropagation() { - exports.event.stopImmediatePropagation(); -} + timeout: function(value) { + if (!arguments.length) return timeout; + timeout = +value; + return request; + }, -var noevent = function() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); -}; + user: function(value) { + return arguments.length < 1 ? user : (user = value == null ? null : value + "", request); + }, -var dragDisable = function(view) { - var root = view.document.documentElement, - selection$$1 = select(view).on("dragstart.drag", noevent, true); - if ("onselectstart" in root) { - selection$$1.on("selectstart.drag", noevent, true); - } else { - root.__noselect = root.style.MozUserSelect; - root.style.MozUserSelect = "none"; - } -}; + password: function(value) { + return arguments.length < 1 ? password : (password = value == null ? null : value + "", request); + }, -function yesdrag(view, noclick) { - var root = view.document.documentElement, - selection$$1 = select(view).on("dragstart.drag", null); - if (noclick) { - selection$$1.on("click.drag", noevent, true); - setTimeout(function() { selection$$1.on("click.drag", null); }, 0); - } - if ("onselectstart" in root) { - selection$$1.on("selectstart.drag", null); - } else { - root.style.MozUserSelect = root.__noselect; - delete root.__noselect; - } -} + // Specify how to convert the response content to a specific type; + // changes the callback value on "load" events. + response: function(value) { + response = value; + return request; + }, + + // Alias for send("GET", …). + get: function(data, callback) { + return request.send("GET", data, callback); + }, + + // Alias for send("POST", …). + post: function(data, callback) { + return request.send("POST", data, callback); + }, + + // If callback is non-null, it will be used for error and load events. + send: function(method, data, callback) { + xhr.open(method, url, true, user, password); + if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*"); + if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); }); + if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType); + if (responseType != null) xhr.responseType = responseType; + if (timeout > 0) xhr.timeout = timeout; + if (callback == null && typeof data === "function") callback = data, data = null; + if (callback != null && callback.length === 1) callback = fixCallback(callback); + if (callback != null) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); }); + event.call("beforesend", request, xhr); + xhr.send(data == null ? null : data); + return request; + }, + + abort: function() { + xhr.abort(); + return request; + }, -var constant$8 = function(x) { - return function() { - return x; + on: function() { + var value = event.on.apply(event, arguments); + return value === event ? request : value; + } }; -}; -function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) { - this.target = target; - this.type = type; - this.subject = subject; - this.identifier = id; - this.active = active; - this.x = x; - this.y = y; - this.dx = dx; - this.dy = dy; - this._ = dispatch; -} + if (callback != null) { + if (typeof callback !== "function") throw new Error("invalid callback: " + callback); + return request.get(callback); + } -DragEvent.prototype.on = function() { - var value = this._.on.apply(this._, arguments); - return value === this._ ? this : value; + return request; }; -// Ignore right-click, since that should open the context menu. -function defaultFilter() { - return !exports.event.button; +function fixCallback(callback) { + return function(error, xhr) { + callback(error == null ? xhr : null); + }; } -function defaultContainer() { - return this.parentNode; +function hasResponse(xhr) { + var type = xhr.responseType; + return type && type !== "text" + ? xhr.response // null on error + : xhr.responseText; // "" on error } -function defaultSubject(d) { - return d == null ? {x: exports.event.x, y: exports.event.y} : d; -} +var type$1 = function(defaultMimeType, response) { + return function(url, callback) { + var r = request(url).mimeType(defaultMimeType).response(response); + if (callback != null) { + if (typeof callback !== "function") throw new Error("invalid callback: " + callback); + return r.get(callback); + } + return r; + }; +}; -var drag = function() { - var filter = defaultFilter, - container = defaultContainer, - subject = defaultSubject, - gestures = {}, - listeners = dispatch("start", "drag", "end"), - active = 0, - mousemoving, - touchending; +var html = type$1("text/html", function(xhr) { + return document.createRange().createContextualFragment(xhr.responseText); +}); - function drag(selection$$1) { - selection$$1 - .on("mousedown.drag", mousedowned) - .on("touchstart.drag", touchstarted) - .on("touchmove.drag", touchmoved) - .on("touchend.drag touchcancel.drag", touchended) - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); - } +var json = type$1("application/json", function(xhr) { + return JSON.parse(xhr.responseText); +}); - function mousedowned() { - if (touchending || !filter.apply(this, arguments)) return; - var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments); - if (!gesture) return; - select(exports.event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); - dragDisable(exports.event.view); - nopropagation(); - mousemoving = false; - gesture("start"); - } +var text = type$1("text/plain", function(xhr) { + return xhr.responseText; +}); - function mousemoved() { - noevent(); - mousemoving = true; - gestures.mouse("drag"); - } +var xml = type$1("application/xml", function(xhr) { + var xml = xhr.responseXML; + if (!xml) throw new Error("parse error"); + return xml; +}); - function mouseupped() { - select(exports.event.view).on("mousemove.drag mouseup.drag", null); - yesdrag(exports.event.view, mousemoving); - noevent(); - gestures.mouse("end"); - } +var dsv$1 = function(defaultMimeType, parse) { + return function(url, row, callback) { + if (arguments.length < 3) callback = row, row = null; + var r = request(url).mimeType(defaultMimeType); + r.row = function(_) { return arguments.length ? r.response(responseOf(parse, row = _)) : row; }; + r.row(row); + return callback ? r.get(callback) : r; + }; +}; - function touchstarted() { - if (!filter.apply(this, arguments)) return; - var touches$$1 = exports.event.changedTouches, - c = container.apply(this, arguments), - n = touches$$1.length, i, gesture; +function responseOf(parse, row) { + return function(request$$1) { + return parse(request$$1.responseText, row); + }; +} - for (i = 0; i < n; ++i) { - if (gesture = beforestart(touches$$1[i].identifier, c, touch, this, arguments)) { - nopropagation(); - gesture("start"); - } - } - } +var csv$1 = dsv$1("text/csv", csvParse); - function touchmoved() { - var touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, gesture; +var tsv$1 = dsv$1("text/tab-separated-values", tsvParse); - for (i = 0; i < n; ++i) { - if (gesture = gestures[touches$$1[i].identifier]) { - noevent(); - gesture("drag"); - } - } - } +var array$2 = Array.prototype; - function touchended() { - var touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, gesture; +var map$3 = array$2.map; +var slice$4 = array$2.slice; - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! - for (i = 0; i < n; ++i) { - if (gesture = gestures[touches$$1[i].identifier]) { - nopropagation(); - gesture("end"); - } - } - } +var implicit = {name: "implicit"}; - function beforestart(id, container, point, that, args) { - var p = point(container, id), s, dx, dy, - sublisteners = listeners.copy(); +function ordinal(range) { + var index = map$1(), + domain = [], + unknown = implicit; - if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { - if ((exports.event.subject = s = subject.apply(that, args)) == null) return false; - dx = s.x - p[0] || 0; - dy = s.y - p[1] || 0; - return true; - })) return; + range = range == null ? [] : slice$4.call(range); - return function gesture(type) { - var p0 = p, n; - switch (type) { - case "start": gestures[id] = gesture, n = active++; break; - case "end": delete gestures[id], --active; // nobreak - case "drag": p = point(container, id), n = active; break; - } - customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); - }; + function scale(d) { + var key = d + "", i = index.get(key); + if (!i) { + if (unknown !== implicit) return unknown; + index.set(key, i = domain.push(d)); + } + return range[(i - 1) % range.length]; } - drag.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$8(!!_), drag) : filter; + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = [], index = map$1(); + var i = -1, n = _.length, d, key; + while (++i < n) if (!index.has(key = (d = _[i]) + "")) index.set(key, domain.push(d)); + return scale; }; - drag.container = function(_) { - return arguments.length ? (container = typeof _ === "function" ? _ : constant$8(_), drag) : container; + scale.range = function(_) { + return arguments.length ? (range = slice$4.call(_), scale) : range.slice(); }; - drag.subject = function(_) { - return arguments.length ? (subject = typeof _ === "function" ? _ : constant$8(_), drag) : subject; + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; }; - drag.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? drag : value; + scale.copy = function() { + return ordinal() + .domain(domain) + .range(range) + .unknown(unknown); }; - return drag; -}; + return scale; +} -var constant$9 = function(x) { - return function() { - return x; - }; -}; +function band() { + var scale = ordinal().unknown(undefined), + domain = scale.domain, + ordinalRange = scale.range, + range$$1 = [0, 1], + step, + bandwidth, + round = false, + paddingInner = 0, + paddingOuter = 0, + align = 0.5; -function x$4(d) { - return d[0]; -} + delete scale.unknown; -function y$4(d) { - return d[1]; -} + function rescale() { + var n = domain().length, + reverse = range$$1[1] < range$$1[0], + start = range$$1[reverse - 0], + stop = range$$1[1 - reverse]; + step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); + if (round) step = Math.floor(step); + start += (stop - start - step * (n - paddingInner)) * align; + bandwidth = step * (1 - paddingInner); + if (round) start = Math.round(start), bandwidth = Math.round(bandwidth); + var values = sequence(n).map(function(i) { return start + step * i; }); + return ordinalRange(reverse ? values.reverse() : values); + } -function RedBlackTree() { - this._ = null; // root node -} + scale.domain = function(_) { + return arguments.length ? (domain(_), rescale()) : domain(); + }; -function RedBlackNode(node) { - node.U = // parent node - node.C = // color - true for red, false for black - node.L = // left node - node.R = // right node - node.P = // previous node - node.N = null; // next node -} + scale.range = function(_) { + return arguments.length ? (range$$1 = [+_[0], +_[1]], rescale()) : range$$1.slice(); + }; -RedBlackTree.prototype = { - constructor: RedBlackTree, + scale.rangeRound = function(_) { + return range$$1 = [+_[0], +_[1]], round = true, rescale(); + }; - insert: function(after, node) { - var parent, grandpa, uncle; + scale.bandwidth = function() { + return bandwidth; + }; - if (after) { - node.P = after; - node.N = after.N; - if (after.N) after.N.P = node; - after.N = node; - if (after.R) { - after = after.R; - while (after.L) after = after.L; - after.L = node; - } else { - after.R = node; - } - parent = after; - } else if (this._) { - after = RedBlackFirst(this._); - node.P = null; - node.N = after; - after.P = after.L = node; - parent = after; - } else { - node.P = node.N = null; - this._ = node; - parent = null; - } - node.L = node.R = null; - node.U = parent; - node.C = true; + scale.step = function() { + return step; + }; - after = node; - while (parent && parent.C) { - grandpa = parent.U; - if (parent === grandpa.L) { - uncle = grandpa.R; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.R) { - RedBlackRotateLeft(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - RedBlackRotateRight(this, grandpa); - } - } else { - uncle = grandpa.L; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.L) { - RedBlackRotateRight(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - RedBlackRotateLeft(this, grandpa); - } - } - parent = after.U; - } - this._.C = false; - }, + scale.round = function(_) { + return arguments.length ? (round = !!_, rescale()) : round; + }; - remove: function(node) { - if (node.N) node.N.P = node.P; - if (node.P) node.P.N = node.N; - node.N = node.P = null; + scale.padding = function(_) { + return arguments.length ? (paddingInner = paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; + }; - var parent = node.U, - sibling, - left = node.L, - right = node.R, - next, - red; + scale.paddingInner = function(_) { + return arguments.length ? (paddingInner = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; + }; - if (!left) next = right; - else if (!right) next = left; - else next = RedBlackFirst(right); + scale.paddingOuter = function(_) { + return arguments.length ? (paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingOuter; + }; - if (parent) { - if (parent.L === node) parent.L = next; - else parent.R = next; - } else { - this._ = next; - } + scale.align = function(_) { + return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align; + }; - if (left && right) { - red = next.C; - next.C = node.C; - next.L = left; - left.U = next; - if (next !== right) { - parent = next.U; - next.U = node.U; - node = next.R; - parent.L = node; - next.R = right; - right.U = next; - } else { - next.U = parent; - parent = next; - node = next.R; - } - } else { - red = node.C; - node = next; - } + scale.copy = function() { + return band() + .domain(domain()) + .range(range$$1) + .round(round) + .paddingInner(paddingInner) + .paddingOuter(paddingOuter) + .align(align); + }; - if (node) node.U = parent; - if (red) return; - if (node && node.C) { node.C = false; return; } + return rescale(); +} - do { - if (node === this._) break; - if (node === parent.L) { - sibling = parent.R; - if (sibling.C) { - sibling.C = false; - parent.C = true; - RedBlackRotateLeft(this, parent); - sibling = parent.R; - } - if ((sibling.L && sibling.L.C) - || (sibling.R && sibling.R.C)) { - if (!sibling.R || !sibling.R.C) { - sibling.L.C = false; - sibling.C = true; - RedBlackRotateRight(this, sibling); - sibling = parent.R; - } - sibling.C = parent.C; - parent.C = sibling.R.C = false; - RedBlackRotateLeft(this, parent); - node = this._; - break; - } - } else { - sibling = parent.L; - if (sibling.C) { - sibling.C = false; - parent.C = true; - RedBlackRotateRight(this, parent); - sibling = parent.L; - } - if ((sibling.L && sibling.L.C) - || (sibling.R && sibling.R.C)) { - if (!sibling.L || !sibling.L.C) { - sibling.R.C = false; - sibling.C = true; - RedBlackRotateLeft(this, sibling); - sibling = parent.L; - } - sibling.C = parent.C; - parent.C = sibling.L.C = false; - RedBlackRotateRight(this, parent); - node = this._; - break; - } - } - sibling.C = true; - node = parent; - parent = parent.U; - } while (!node.C); +function pointish(scale) { + var copy = scale.copy; - if (node) node.C = false; - } -}; + scale.padding = scale.paddingOuter; + delete scale.paddingInner; + delete scale.paddingOuter; -function RedBlackRotateLeft(tree, node) { - var p = node, - q = node.R, - parent = p.U; + scale.copy = function() { + return pointish(copy()); + }; - if (parent) { - if (parent.L === p) parent.L = q; - else parent.R = q; - } else { - tree._ = q; - } + return scale; +} - q.U = parent; - p.U = q; - p.R = q.L; - if (p.R) p.R.U = p; - q.L = p; +function point$1() { + return pointish(band().paddingInner(1)); } -function RedBlackRotateRight(tree, node) { - var p = node, - q = node.L, - parent = p.U; +var constant$9 = function(x) { + return function() { + return x; + }; +}; - if (parent) { - if (parent.L === p) parent.L = q; - else parent.R = q; - } else { - tree._ = q; - } +var number$1 = function(x) { + return +x; +}; - q.U = parent; - p.U = q; - p.L = q.R; - if (p.L) p.L.U = p; - q.R = p; -} +var unit = [0, 1]; -function RedBlackFirst(node) { - while (node.L) node = node.L; - return node; +function deinterpolateLinear(a, b) { + return (b -= (a = +a)) + ? function(x) { return (x - a) / b; } + : constant$9(b); } -function createEdge(left, right, v0, v1) { - var edge = [null, null], - index = edges.push(edge) - 1; - edge.left = left; - edge.right = right; - if (v0) setEdgeEnd(edge, left, right, v0); - if (v1) setEdgeEnd(edge, right, left, v1); - cells[left.index].halfedges.push(index); - cells[right.index].halfedges.push(index); - return edge; +function deinterpolateClamp(deinterpolate) { + return function(a, b) { + var d = deinterpolate(a = +a, b = +b); + return function(x) { return x <= a ? 0 : x >= b ? 1 : d(x); }; + }; } -function createBorderEdge(left, v0, v1) { - var edge = [v0, v1]; - edge.left = left; - return edge; +function reinterpolateClamp(reinterpolate) { + return function(a, b) { + var r = reinterpolate(a = +a, b = +b); + return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; + }; } -function setEdgeEnd(edge, left, right, vertex) { - if (!edge[0] && !edge[1]) { - edge[0] = vertex; - edge.left = left; - edge.right = right; - } else if (edge.left === right) { - edge[1] = vertex; - } else { - edge[0] = vertex; - } +function bimap(domain, range$$1, deinterpolate, reinterpolate) { + var d0 = domain[0], d1 = domain[1], r0 = range$$1[0], r1 = range$$1[1]; + if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); + else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); + return function(x) { return r0(d0(x)); }; } -// Liang–Barsky line clipping. -function clipEdge(edge, x0, y0, x1, y1) { - var a = edge[0], - b = edge[1], - ax = a[0], - ay = a[1], - bx = b[0], - by = b[1], - t0 = 0, - t1 = 1, - dx = bx - ax, - dy = by - ay, - r; +function polymap(domain, range$$1, deinterpolate, reinterpolate) { + var j = Math.min(domain.length, range$$1.length) - 1, + d = new Array(j), + r = new Array(j), + i = -1; - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; + // Reverse descending domains. + if (domain[j] < domain[0]) { + domain = domain.slice().reverse(); + range$$1 = range$$1.slice().reverse(); } - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; + while (++i < j) { + d[i] = deinterpolate(domain[i], domain[i + 1]); + r[i] = reinterpolate(range$$1[i], range$$1[i + 1]); } - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; + return function(x) { + var i = bisectRight(domain, x, 1, j) - 1; + return r[i](d[i](x)); + }; +} + +function copy(source, target) { + return target + .domain(source.domain()) + .range(source.range()) + .interpolate(source.interpolate()) + .clamp(source.clamp()); +} + +// deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. +// reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. +function continuous(deinterpolate, reinterpolate) { + var domain = unit, + range$$1 = unit, + interpolate$$1 = interpolateValue, + clamp = false, + piecewise, + output, + input; + + function rescale() { + piecewise = Math.min(domain.length, range$$1.length) > 2 ? polymap : bimap; + output = input = null; + return scale; } - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; + function scale(x) { + return (output || (output = piecewise(domain, range$$1, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x); } - if (!(t0 > 0) && !(t1 < 1)) return true; // TODO Better check? + scale.invert = function(y) { + return (input || (input = piecewise(range$$1, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); + }; - if (t0 > 0) edge[0] = [ax + t0 * dx, ay + t0 * dy]; - if (t1 < 1) edge[1] = [ax + t1 * dx, ay + t1 * dy]; - return true; -} + scale.domain = function(_) { + return arguments.length ? (domain = map$3.call(_, number$1), rescale()) : domain.slice(); + }; -function connectEdge(edge, x0, y0, x1, y1) { - var v1 = edge[1]; - if (v1) return true; + scale.range = function(_) { + return arguments.length ? (range$$1 = slice$4.call(_), rescale()) : range$$1.slice(); + }; - var v0 = edge[0], - left = edge.left, - right = edge.right, - lx = left[0], - ly = left[1], - rx = right[0], - ry = right[1], - fx = (lx + rx) / 2, - fy = (ly + ry) / 2, - fm, - fb; + scale.rangeRound = function(_) { + return range$$1 = slice$4.call(_), interpolate$$1 = interpolateRound, rescale(); + }; - if (ry === ly) { - if (fx < x0 || fx >= x1) return; - if (lx > rx) { - if (!v0) v0 = [fx, y0]; - else if (v0[1] >= y1) return; - v1 = [fx, y1]; - } else { - if (!v0) v0 = [fx, y1]; - else if (v0[1] < y0) return; - v1 = [fx, y0]; + scale.clamp = function(_) { + return arguments.length ? (clamp = !!_, rescale()) : clamp; + }; + + scale.interpolate = function(_) { + return arguments.length ? (interpolate$$1 = _, rescale()) : interpolate$$1; + }; + + return rescale(); +} + +var tickFormat = function(domain, count, specifier) { + var start = domain[0], + stop = domain[domain.length - 1], + step = tickStep(start, stop, count == null ? 10 : count), + precision; + specifier = formatSpecifier(specifier == null ? ",f" : specifier); + switch (specifier.type) { + case "s": { + var value = Math.max(Math.abs(start), Math.abs(stop)); + if (specifier.precision == null && !isNaN(precision = precisionPrefix(step, value))) specifier.precision = precision; + return exports.formatPrefix(specifier, value); } - } else { - fm = (lx - rx) / (ry - ly); - fb = fy - fm * fx; - if (fm < -1 || fm > 1) { - if (lx > rx) { - if (!v0) v0 = [(y0 - fb) / fm, y0]; - else if (v0[1] >= y1) return; - v1 = [(y1 - fb) / fm, y1]; - } else { - if (!v0) v0 = [(y1 - fb) / fm, y1]; - else if (v0[1] < y0) return; - v1 = [(y0 - fb) / fm, y0]; - } - } else { - if (ly < ry) { - if (!v0) v0 = [x0, fm * x0 + fb]; - else if (v0[0] >= x1) return; - v1 = [x1, fm * x1 + fb]; - } else { - if (!v0) v0 = [x1, fm * x1 + fb]; - else if (v0[0] < x0) return; - v1 = [x0, fm * x0 + fb]; - } + case "": + case "e": + case "g": + case "p": + case "r": { + if (specifier.precision == null && !isNaN(precision = precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === "e"); + break; + } + case "f": + case "%": { + if (specifier.precision == null && !isNaN(precision = precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2; + break; } } + return exports.format(specifier); +}; - edge[0] = v0; - edge[1] = v1; - return true; -} +function linearish(scale) { + var domain = scale.domain; -function clipEdges(x0, y0, x1, y1) { - var i = edges.length, - edge; + scale.ticks = function(count) { + var d = domain(); + return ticks(d[0], d[d.length - 1], count == null ? 10 : count); + }; + + scale.tickFormat = function(count, specifier) { + return tickFormat(domain(), count, specifier); + }; + + scale.nice = function(count) { + var d = domain(), + i = d.length - 1, + n = count == null ? 10 : count, + start = d[0], + stop = d[i], + step = tickStep(start, stop, n); - while (i--) { - if (!connectEdge(edge = edges[i], x0, y0, x1, y1) - || !clipEdge(edge, x0, y0, x1, y1) - || !(Math.abs(edge[0][0] - edge[1][0]) > epsilon$3 - || Math.abs(edge[0][1] - edge[1][1]) > epsilon$3)) { - delete edges[i]; + if (step) { + step = tickStep(Math.floor(start / step) * step, Math.ceil(stop / step) * step, n); + d[0] = Math.floor(start / step) * step; + d[i] = Math.ceil(stop / step) * step; + domain(d); } - } -} -function createCell(site) { - return cells[site.index] = { - site: site, - halfedges: [] + return scale; }; -} -function cellHalfedgeAngle(cell, edge) { - var site = cell.site, - va = edge.left, - vb = edge.right; - if (site === vb) vb = va, va = site; - if (vb) return Math.atan2(vb[1] - va[1], vb[0] - va[0]); - if (site === va) va = edge[1], vb = edge[0]; - else va = edge[0], vb = edge[1]; - return Math.atan2(va[0] - vb[0], vb[1] - va[1]); + return scale; } -function cellHalfedgeStart(cell, edge) { - return edge[+(edge.left !== cell.site)]; -} +function linear$2() { + var scale = continuous(deinterpolateLinear, reinterpolate); -function cellHalfedgeEnd(cell, edge) { - return edge[+(edge.left === cell.site)]; -} + scale.copy = function() { + return copy(scale, linear$2()); + }; -function sortCellHalfedges() { - for (var i = 0, n = cells.length, cell, halfedges, j, m; i < n; ++i) { - if ((cell = cells[i]) && (m = (halfedges = cell.halfedges).length)) { - var index = new Array(m), - array = new Array(m); - for (j = 0; j < m; ++j) index[j] = j, array[j] = cellHalfedgeAngle(cell, edges[halfedges[j]]); - index.sort(function(i, j) { return array[j] - array[i]; }); - for (j = 0; j < m; ++j) array[j] = halfedges[index[j]]; - for (j = 0; j < m; ++j) halfedges[j] = array[j]; - } - } + return linearish(scale); } -function clipCells(x0, y0, x1, y1) { - var nCells = cells.length, - iCell, - cell, - site, - iHalfedge, - halfedges, - nHalfedges, - start, - startX, - startY, - end, - endX, - endY, - cover = true; +function identity$6() { + var domain = [0, 1]; - for (iCell = 0; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - site = cell.site; - halfedges = cell.halfedges; - iHalfedge = halfedges.length; + function scale(x) { + return +x; + } - // Remove any dangling clipped edges. - while (iHalfedge--) { - if (!edges[halfedges[iHalfedge]]) { - halfedges.splice(iHalfedge, 1); - } - } + scale.invert = scale; - // Insert any border edges as necessary. - iHalfedge = 0, nHalfedges = halfedges.length; - while (iHalfedge < nHalfedges) { - end = cellHalfedgeEnd(cell, edges[halfedges[iHalfedge]]), endX = end[0], endY = end[1]; - start = cellHalfedgeStart(cell, edges[halfedges[++iHalfedge % nHalfedges]]), startX = start[0], startY = start[1]; - if (Math.abs(endX - startX) > epsilon$3 || Math.abs(endY - startY) > epsilon$3) { - halfedges.splice(iHalfedge, 0, edges.push(createBorderEdge(site, end, - Math.abs(endX - x0) < epsilon$3 && y1 - endY > epsilon$3 ? [x0, Math.abs(startX - x0) < epsilon$3 ? startY : y1] - : Math.abs(endY - y1) < epsilon$3 && x1 - endX > epsilon$3 ? [Math.abs(startY - y1) < epsilon$3 ? startX : x1, y1] - : Math.abs(endX - x1) < epsilon$3 && endY - y0 > epsilon$3 ? [x1, Math.abs(startX - x1) < epsilon$3 ? startY : y0] - : Math.abs(endY - y0) < epsilon$3 && endX - x0 > epsilon$3 ? [Math.abs(startY - y0) < epsilon$3 ? startX : x0, y0] - : null)) - 1); - ++nHalfedges; - } - } + scale.domain = scale.range = function(_) { + return arguments.length ? (domain = map$3.call(_, number$1), scale) : domain.slice(); + }; - if (nHalfedges) cover = false; - } - } + scale.copy = function() { + return identity$6().domain(domain); + }; - // If there weren’t any edges, have the closest site cover the extent. - // It doesn’t matter which corner of the extent we measure! - if (cover) { - var dx, dy, d2, dc = Infinity; + return linearish(scale); +} - for (iCell = 0, cover = null; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - site = cell.site; - dx = site[0] - x0; - dy = site[1] - y0; - d2 = dx * dx + dy * dy; - if (d2 < dc) dc = d2, cover = cell; - } - } +var nice = function(domain, interval) { + domain = domain.slice(); - if (cover) { - var v00 = [x0, y0], v01 = [x0, y1], v11 = [x1, y1], v10 = [x1, y0]; - cover.halfedges.push( - edges.push(createBorderEdge(site = cover.site, v00, v01)) - 1, - edges.push(createBorderEdge(site, v01, v11)) - 1, - edges.push(createBorderEdge(site, v11, v10)) - 1, - edges.push(createBorderEdge(site, v10, v00)) - 1 - ); - } - } + var i0 = 0, + i1 = domain.length - 1, + x0 = domain[i0], + x1 = domain[i1], + t; - // Lastly delete any cells with no edges; these were entirely clipped. - for (iCell = 0; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - if (!cell.halfedges.length) { - delete cells[iCell]; - } - } + if (x1 < x0) { + t = i0, i0 = i1, i1 = t; + t = x0, x0 = x1, x1 = t; } -} -var circlePool = []; + domain[i0] = interval.floor(x0); + domain[i1] = interval.ceil(x1); + return domain; +}; -var firstCircle; +function deinterpolate(a, b) { + return (b = Math.log(b / a)) + ? function(x) { return Math.log(x / a) / b; } + : constant$9(b); +} -function Circle() { - RedBlackNode(this); - this.x = - this.y = - this.arc = - this.site = - this.cy = null; +function reinterpolate$1(a, b) { + return a < 0 + ? function(t) { return -Math.pow(-b, t) * Math.pow(-a, 1 - t); } + : function(t) { return Math.pow(b, t) * Math.pow(a, 1 - t); }; } -function attachCircle(arc) { - var lArc = arc.P, - rArc = arc.N; +function pow10(x) { + return isFinite(x) ? +("1e" + x) : x < 0 ? 0 : x; +} - if (!lArc || !rArc) return; +function powp(base) { + return base === 10 ? pow10 + : base === Math.E ? Math.exp + : function(x) { return Math.pow(base, x); }; +} - var lSite = lArc.site, - cSite = arc.site, - rSite = rArc.site; +function logp(base) { + return base === Math.E ? Math.log + : base === 10 && Math.log10 + || base === 2 && Math.log2 + || (base = Math.log(base), function(x) { return Math.log(x) / base; }); +} - if (lSite === rSite) return; +function reflect(f) { + return function(x) { + return -f(-x); + }; +} - var bx = cSite[0], - by = cSite[1], - ax = lSite[0] - bx, - ay = lSite[1] - by, - cx = rSite[0] - bx, - cy = rSite[1] - by; +function log$1() { + var scale = continuous(deinterpolate, reinterpolate$1).domain([1, 10]), + domain = scale.domain, + base = 10, + logs = logp(10), + pows = powp(10); - var d = 2 * (ax * cy - ay * cx); - if (d >= -epsilon2$1) return; + function rescale() { + logs = logp(base), pows = powp(base); + if (domain()[0] < 0) logs = reflect(logs), pows = reflect(pows); + return scale; + } - var ha = ax * ax + ay * ay, - hc = cx * cx + cy * cy, - x = (cy * ha - ay * hc) / d, - y = (ax * hc - cx * ha) / d; + scale.base = function(_) { + return arguments.length ? (base = +_, rescale()) : base; + }; - var circle = circlePool.pop() || new Circle; - circle.arc = arc; - circle.site = cSite; - circle.x = x + bx; - circle.y = (circle.cy = y + by) + Math.sqrt(x * x + y * y); // y bottom + scale.domain = function(_) { + return arguments.length ? (domain(_), rescale()) : domain(); + }; - arc.circle = circle; + scale.ticks = function(count) { + var d = domain(), + u = d[0], + v = d[d.length - 1], + r; - var before = null, - node = circles._; + if (r = v < u) i = u, u = v, v = i; - while (node) { - if (circle.y < node.y || (circle.y === node.y && circle.x <= node.x)) { - if (node.L) node = node.L; - else { before = node.P; break; } + var i = logs(u), + j = logs(v), + p, + k, + t, + n = count == null ? 10 : +count, + z = []; + + if (!(base % 1) && j - i < n) { + i = Math.round(i) - 1, j = Math.round(j) + 1; + if (u > 0) for (; i < j; ++i) { + for (k = 1, p = pows(i); k < base; ++k) { + t = p * k; + if (t < u) continue; + if (t > v) break; + z.push(t); + } + } else for (; i < j; ++i) { + for (k = base - 1, p = pows(i); k >= 1; --k) { + t = p * k; + if (t < u) continue; + if (t > v) break; + z.push(t); + } + } } else { - if (node.R) node = node.R; - else { before = node; break; } + z = ticks(i, j, Math.min(j - i, n)).map(pows); } - } - circles.insert(before, circle); - if (!before) firstCircle = circle; -} + return r ? z.reverse() : z; + }; -function detachCircle(arc) { - var circle = arc.circle; - if (circle) { - if (!circle.P) firstCircle = circle.N; - circles.remove(circle); - circlePool.push(circle); - RedBlackNode(circle); - arc.circle = null; - } -} + scale.tickFormat = function(count, specifier) { + if (specifier == null) specifier = base === 10 ? ".0e" : ","; + if (typeof specifier !== "function") specifier = exports.format(specifier); + if (count === Infinity) return specifier; + if (count == null) count = 10; + var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate? + return function(d) { + var i = d / pows(Math.round(logs(d))); + if (i * base < base - 0.5) i *= base; + return i <= k ? specifier(d) : ""; + }; + }; -var beachPool = []; + scale.nice = function() { + return domain(nice(domain(), { + floor: function(x) { return pows(Math.floor(logs(x))); }, + ceil: function(x) { return pows(Math.ceil(logs(x))); } + })); + }; -function Beach() { - RedBlackNode(this); - this.edge = - this.site = - this.circle = null; -} + scale.copy = function() { + return copy(scale, log$1().base(base)); + }; -function createBeach(site) { - var beach = beachPool.pop() || new Beach; - beach.site = site; - return beach; + return scale; } -function detachBeach(beach) { - detachCircle(beach); - beaches.remove(beach); - beachPool.push(beach); - RedBlackNode(beach); +function raise$1(x, exponent) { + return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); } -function removeBeach(beach) { - var circle = beach.circle, - x = circle.x, - y = circle.cy, - vertex = [x, y], - previous = beach.P, - next = beach.N, - disappearing = [beach]; - - detachBeach(beach); +function pow$1() { + var exponent = 1, + scale = continuous(deinterpolate, reinterpolate), + domain = scale.domain; - var lArc = previous; - while (lArc.circle - && Math.abs(x - lArc.circle.x) < epsilon$3 - && Math.abs(y - lArc.circle.cy) < epsilon$3) { - previous = lArc.P; - disappearing.unshift(lArc); - detachBeach(lArc); - lArc = previous; + function deinterpolate(a, b) { + return (b = raise$1(b, exponent) - (a = raise$1(a, exponent))) + ? function(x) { return (raise$1(x, exponent) - a) / b; } + : constant$9(b); } - disappearing.unshift(lArc); - detachCircle(lArc); - - var rArc = next; - while (rArc.circle - && Math.abs(x - rArc.circle.x) < epsilon$3 - && Math.abs(y - rArc.circle.cy) < epsilon$3) { - next = rArc.N; - disappearing.push(rArc); - detachBeach(rArc); - rArc = next; + function reinterpolate(a, b) { + b = raise$1(b, exponent) - (a = raise$1(a, exponent)); + return function(t) { return raise$1(a + b * t, 1 / exponent); }; } - disappearing.push(rArc); - detachCircle(rArc); + scale.exponent = function(_) { + return arguments.length ? (exponent = +_, domain(domain())) : exponent; + }; - var nArcs = disappearing.length, - iArc; - for (iArc = 1; iArc < nArcs; ++iArc) { - rArc = disappearing[iArc]; - lArc = disappearing[iArc - 1]; - setEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); - } + scale.copy = function() { + return copy(scale, pow$1().exponent(exponent)); + }; - lArc = disappearing[0]; - rArc = disappearing[nArcs - 1]; - rArc.edge = createEdge(lArc.site, rArc.site, null, vertex); + return linearish(scale); +} - attachCircle(lArc); - attachCircle(rArc); +function sqrt$1() { + return pow$1().exponent(0.5); } -function addBeach(site) { - var x = site[0], - directrix = site[1], - lArc, - rArc, - dxl, - dxr, - node = beaches._; +function quantile$$1() { + var domain = [], + range$$1 = [], + thresholds = []; - while (node) { - dxl = leftBreakPoint(node, directrix) - x; - if (dxl > epsilon$3) node = node.L; else { - dxr = x - rightBreakPoint(node, directrix); - if (dxr > epsilon$3) { - if (!node.R) { - lArc = node; - break; - } - node = node.R; - } else { - if (dxl > -epsilon$3) { - lArc = node.P; - rArc = node; - } else if (dxr > -epsilon$3) { - lArc = node; - rArc = node.N; - } else { - lArc = rArc = node; - } - break; - } - } + function rescale() { + var i = 0, n = Math.max(1, range$$1.length); + thresholds = new Array(n - 1); + while (++i < n) thresholds[i - 1] = threshold(domain, i / n); + return scale; } - createCell(site); - var newArc = createBeach(site); - beaches.insert(lArc, newArc); + function scale(x) { + if (!isNaN(x = +x)) return range$$1[bisectRight(thresholds, x)]; + } - if (!lArc && !rArc) return; + scale.invertExtent = function(y) { + var i = range$$1.indexOf(y); + return i < 0 ? [NaN, NaN] : [ + i > 0 ? thresholds[i - 1] : domain[0], + i < thresholds.length ? thresholds[i] : domain[domain.length - 1] + ]; + }; - if (lArc === rArc) { - detachCircle(lArc); - rArc = createBeach(lArc.site); - beaches.insert(newArc, rArc); - newArc.edge = rArc.edge = createEdge(lArc.site, newArc.site); - attachCircle(lArc); - attachCircle(rArc); - return; - } + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = []; + for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); + domain.sort(ascending); + return rescale(); + }; - if (!rArc) { // && lArc - newArc.edge = createEdge(lArc.site, newArc.site); - return; - } + scale.range = function(_) { + return arguments.length ? (range$$1 = slice$4.call(_), rescale()) : range$$1.slice(); + }; - // else lArc !== rArc - detachCircle(lArc); - detachCircle(rArc); + scale.quantiles = function() { + return thresholds.slice(); + }; - var lSite = lArc.site, - ax = lSite[0], - ay = lSite[1], - bx = site[0] - ax, - by = site[1] - ay, - rSite = rArc.site, - cx = rSite[0] - ax, - cy = rSite[1] - ay, - d = 2 * (bx * cy - by * cx), - hb = bx * bx + by * by, - hc = cx * cx + cy * cy, - vertex = [(cy * hb - by * hc) / d + ax, (bx * hc - cx * hb) / d + ay]; + scale.copy = function() { + return quantile$$1() + .domain(domain) + .range(range$$1); + }; - setEdgeEnd(rArc.edge, lSite, rSite, vertex); - newArc.edge = createEdge(lSite, site, null, vertex); - rArc.edge = createEdge(site, rSite, null, vertex); - attachCircle(lArc); - attachCircle(rArc); + return scale; } -function leftBreakPoint(arc, directrix) { - var site = arc.site, - rfocx = site[0], - rfocy = site[1], - pby2 = rfocy - directrix; +function quantize$1() { + var x0 = 0, + x1 = 1, + n = 1, + domain = [0.5], + range$$1 = [0, 1]; - if (!pby2) return rfocx; + function scale(x) { + if (x <= x) return range$$1[bisectRight(domain, x, 0, n)]; + } - var lArc = arc.P; - if (!lArc) return -Infinity; + function rescale() { + var i = -1; + domain = new Array(n); + while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1); + return scale; + } - site = lArc.site; - var lfocx = site[0], - lfocy = site[1], - plby2 = lfocy - directrix; + scale.domain = function(_) { + return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1]; + }; + + scale.range = function(_) { + return arguments.length ? (n = (range$$1 = slice$4.call(_)).length - 1, rescale()) : range$$1.slice(); + }; + + scale.invertExtent = function(y) { + var i = range$$1.indexOf(y); + return i < 0 ? [NaN, NaN] + : i < 1 ? [x0, domain[0]] + : i >= n ? [domain[n - 1], x1] + : [domain[i - 1], domain[i]]; + }; + + scale.copy = function() { + return quantize$1() + .domain([x0, x1]) + .range(range$$1); + }; - if (!plby2) return lfocx; + return linearish(scale); +} - var hl = lfocx - rfocx, - aby2 = 1 / pby2 - 1 / plby2, - b = hl / plby2; +function threshold$1() { + var domain = [0.5], + range$$1 = [0, 1], + n = 1; - if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; + function scale(x) { + if (x <= x) return range$$1[bisectRight(domain, x, 0, n)]; + } - return (rfocx + lfocx) / 2; -} + scale.domain = function(_) { + return arguments.length ? (domain = slice$4.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : domain.slice(); + }; -function rightBreakPoint(arc, directrix) { - var rArc = arc.N; - if (rArc) return leftBreakPoint(rArc, directrix); - var site = arc.site; - return site[1] === directrix ? site[0] : Infinity; -} + scale.range = function(_) { + return arguments.length ? (range$$1 = slice$4.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : range$$1.slice(); + }; -var epsilon$3 = 1e-6; -var epsilon2$1 = 1e-12; -var beaches; -var cells; -var circles; -var edges; + scale.invertExtent = function(y) { + var i = range$$1.indexOf(y); + return [domain[i - 1], domain[i]]; + }; -function triangleArea(a, b, c) { - return (a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]); -} + scale.copy = function() { + return threshold$1() + .domain(domain) + .range(range$$1); + }; -function lexicographic(a, b) { - return b[1] - a[1] - || b[0] - a[0]; + return scale; } -function Diagram(sites, extent) { - var site = sites.sort(lexicographic).pop(), - x, - y, - circle; +var t0$1 = new Date; +var t1$1 = new Date; - edges = []; - cells = new Array(sites.length); - beaches = new RedBlackTree; - circles = new RedBlackTree; +function newInterval(floori, offseti, count, field) { - while (true) { - circle = firstCircle; - if (site && (!circle || site[1] < circle.y || (site[1] === circle.y && site[0] < circle.x))) { - if (site[0] !== x || site[1] !== y) { - addBeach(site); - x = site[0], y = site[1]; - } - site = sites.pop(); - } else if (circle) { - removeBeach(circle.arc); - } else { - break; - } + function interval(date) { + return floori(date = new Date(+date)), date; } - sortCellHalfedges(); - - if (extent) { - var x0 = +extent[0][0], - y0 = +extent[0][1], - x1 = +extent[1][0], - y1 = +extent[1][1]; - clipEdges(x0, y0, x1, y1); - clipCells(x0, y0, x1, y1); - } + interval.floor = interval; - this.edges = edges; - this.cells = cells; + interval.ceil = function(date) { + return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; + }; - beaches = - circles = - edges = - cells = null; -} + interval.round = function(date) { + var d0 = interval(date), + d1 = interval.ceil(date); + return date - d0 < d1 - date ? d0 : d1; + }; -Diagram.prototype = { - constructor: Diagram, + interval.offset = function(date, step) { + return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; + }; - polygons: function() { - var edges = this.edges; + interval.range = function(start, stop, step) { + var range = []; + start = interval.ceil(start); + step = step == null ? 1 : Math.floor(step); + if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date + do range.push(new Date(+start)); while (offseti(start, step), floori(start), start < stop) + return range; + }; - return this.cells.map(function(cell) { - var polygon = cell.halfedges.map(function(i) { return cellHalfedgeStart(cell, edges[i]); }); - polygon.data = cell.site.data; - return polygon; + interval.filter = function(test) { + return newInterval(function(date) { + if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1); + }, function(date, step) { + if (date >= date) while (--step >= 0) while (offseti(date, 1), !test(date)) {} // eslint-disable-line no-empty }); - }, - - triangles: function() { - var triangles = [], - edges = this.edges; - - this.cells.forEach(function(cell, i) { - var site = cell.site, - halfedges = cell.halfedges, - j = -1, - m = halfedges.length, - s0, - e1 = edges[halfedges[m - 1]], - s1 = e1.left === site ? e1.right : e1.left; + }; - while (++j < m) { - s0 = s1; - e1 = edges[halfedges[j]]; - s1 = e1.left === site ? e1.right : e1.left; - if (s0 && s1 && i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) { - triangles.push([site.data, s0.data, s1.data]); - } - } - }); + if (count) { + interval.count = function(start, end) { + t0$1.setTime(+start), t1$1.setTime(+end); + floori(t0$1), floori(t1$1); + return Math.floor(count(t0$1, t1$1)); + }; - return triangles; - }, + interval.every = function(step) { + step = Math.floor(step); + return !isFinite(step) || !(step > 0) ? null + : !(step > 1) ? interval + : interval.filter(field + ? function(d) { return field(d) % step === 0; } + : function(d) { return interval.count(0, d) % step === 0; }); + }; + } - links: function() { - return this.edges.filter(function(edge) { - return edge.right; - }).map(function(edge) { - return { - source: edge.left.data, - target: edge.right.data - }; - }); - }, + return interval; +} - find: function(x, y, radius) { - var that = this, - i0, i1 = that._found || 0, - cell = that.cells[i1] || that.cells[i1 = 0], - dx = x - cell.site[0], - dy = y - cell.site[1], - d2 = dx * dx + dy * dy; +var millisecond = newInterval(function() { + // noop +}, function(date, step) { + date.setTime(+date + step); +}, function(start, end) { + return end - start; +}); - do { - cell = that.cells[i0 = i1], i1 = null; - cell.halfedges.forEach(function(e) { - var edge = that.edges[e], v = edge.left; - if ((v === cell.site || !v) && !(v = edge.right)) return; - var vx = x - v[0], - vy = y - v[1], - v2 = vx * vx + vy * vy; - if (v2 < d2) d2 = v2, i1 = v.index; - }); - } while (i1 !== null); +// An optimized implementation for this simple case. +millisecond.every = function(k) { + k = Math.floor(k); + if (!isFinite(k) || !(k > 0)) return null; + if (!(k > 1)) return millisecond; + return newInterval(function(date) { + date.setTime(Math.floor(date / k) * k); + }, function(date, step) { + date.setTime(+date + step * k); + }, function(start, end) { + return (end - start) / k; + }); +}; - that._found = i0; +var milliseconds = millisecond.range; - return radius == null || d2 <= radius * radius ? cell.site : null; - } -}; +var durationSecond$1 = 1e3; +var durationMinute$1 = 6e4; +var durationHour$1 = 36e5; +var durationDay$1 = 864e5; +var durationWeek$1 = 6048e5; -var voronoi = function() { - var x$$1 = x$4, - y$$1 = y$4, - extent = null; +var second = newInterval(function(date) { + date.setTime(Math.floor(date / durationSecond$1) * durationSecond$1); +}, function(date, step) { + date.setTime(+date + step * durationSecond$1); +}, function(start, end) { + return (end - start) / durationSecond$1; +}, function(date) { + return date.getUTCSeconds(); +}); - function voronoi(data) { - return new Diagram(data.map(function(d, i) { - var s = [Math.round(x$$1(d, i, data) / epsilon$3) * epsilon$3, Math.round(y$$1(d, i, data) / epsilon$3) * epsilon$3]; - s.index = i; - s.data = d; - return s; - }), extent); - } +var seconds = second.range; - voronoi.polygons = function(data) { - return voronoi(data).polygons(); - }; +var minute = newInterval(function(date) { + date.setTime(Math.floor(date / durationMinute$1) * durationMinute$1); +}, function(date, step) { + date.setTime(+date + step * durationMinute$1); +}, function(start, end) { + return (end - start) / durationMinute$1; +}, function(date) { + return date.getMinutes(); +}); - voronoi.links = function(data) { - return voronoi(data).links(); - }; +var minutes = minute.range; - voronoi.triangles = function(data) { - return voronoi(data).triangles(); - }; +var hour = newInterval(function(date) { + var offset = date.getTimezoneOffset() * durationMinute$1 % durationHour$1; + if (offset < 0) offset += durationHour$1; + date.setTime(Math.floor((+date - offset) / durationHour$1) * durationHour$1 + offset); +}, function(date, step) { + date.setTime(+date + step * durationHour$1); +}, function(start, end) { + return (end - start) / durationHour$1; +}, function(date) { + return date.getHours(); +}); - voronoi.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$9(+_), voronoi) : x$$1; - }; +var hours = hour.range; - voronoi.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$9(+_), voronoi) : y$$1; - }; +var day = newInterval(function(date) { + date.setHours(0, 0, 0, 0); +}, function(date, step) { + date.setDate(date.getDate() + step); +}, function(start, end) { + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationDay$1; +}, function(date) { + return date.getDate() - 1; +}); - voronoi.extent = function(_) { - return arguments.length ? (extent = _ == null ? null : [[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]], voronoi) : extent && [[extent[0][0], extent[0][1]], [extent[1][0], extent[1][1]]]; - }; +var days = day.range; - voronoi.size = function(_) { - return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0] - extent[0][0], extent[1][1] - extent[0][1]]; - }; +function weekday(i) { + return newInterval(function(date) { + date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setDate(date.getDate() + step * 7); + }, function(start, end) { + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationWeek$1; + }); +} - return voronoi; -}; +var sunday = weekday(0); +var monday = weekday(1); +var tuesday = weekday(2); +var wednesday = weekday(3); +var thursday = weekday(4); +var friday = weekday(5); +var saturday = weekday(6); -var constant$10 = function(x) { - return function() { - return x; - }; -}; +var sundays = sunday.range; +var mondays = monday.range; +var tuesdays = tuesday.range; +var wednesdays = wednesday.range; +var thursdays = thursday.range; +var fridays = friday.range; +var saturdays = saturday.range; -function ZoomEvent(target, type, transform) { - this.target = target; - this.type = type; - this.transform = transform; -} +var month = newInterval(function(date) { + date.setDate(1); + date.setHours(0, 0, 0, 0); +}, function(date, step) { + date.setMonth(date.getMonth() + step); +}, function(start, end) { + return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; +}, function(date) { + return date.getMonth(); +}); -function Transform(k, x, y) { - this.k = k; - this.x = x; - this.y = y; -} +var months = month.range; -Transform.prototype = { - constructor: Transform, - scale: function(k) { - return k === 1 ? this : new Transform(this.k * k, this.x, this.y); - }, - translate: function(x, y) { - return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y); - }, - apply: function(point) { - return [point[0] * this.k + this.x, point[1] * this.k + this.y]; - }, - applyX: function(x) { - return x * this.k + this.x; - }, - applyY: function(y) { - return y * this.k + this.y; - }, - invert: function(location) { - return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k]; - }, - invertX: function(x) { - return (x - this.x) / this.k; - }, - invertY: function(y) { - return (y - this.y) / this.k; - }, - rescaleX: function(x) { - return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x)); - }, - rescaleY: function(y) { - return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y)); - }, - toString: function() { - return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")"; - } +var year = newInterval(function(date) { + date.setMonth(0, 1); + date.setHours(0, 0, 0, 0); +}, function(date, step) { + date.setFullYear(date.getFullYear() + step); +}, function(start, end) { + return end.getFullYear() - start.getFullYear(); +}, function(date) { + return date.getFullYear(); +}); + +// An optimized implementation for this simple case. +year.every = function(k) { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { + date.setFullYear(Math.floor(date.getFullYear() / k) * k); + date.setMonth(0, 1); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setFullYear(date.getFullYear() + step * k); + }); }; -var identity$6 = new Transform(1, 0, 0); +var years = year.range; -transform.prototype = Transform.prototype; +var utcMinute = newInterval(function(date) { + date.setUTCSeconds(0, 0); +}, function(date, step) { + date.setTime(+date + step * durationMinute$1); +}, function(start, end) { + return (end - start) / durationMinute$1; +}, function(date) { + return date.getUTCMinutes(); +}); -function transform(node) { - return node.__zoom || identity$6; -} +var utcMinutes = utcMinute.range; -function nopropagation$1() { - exports.event.stopImmediatePropagation(); -} +var utcHour = newInterval(function(date) { + date.setUTCMinutes(0, 0, 0); +}, function(date, step) { + date.setTime(+date + step * durationHour$1); +}, function(start, end) { + return (end - start) / durationHour$1; +}, function(date) { + return date.getUTCHours(); +}); -var noevent$1 = function() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); -}; +var utcHours = utcHour.range; -// Ignore right-click, since that should open the context menu. -function defaultFilter$1() { - return !exports.event.button; -} +var utcDay = newInterval(function(date) { + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCDate(date.getUTCDate() + step); +}, function(start, end) { + return (end - start) / durationDay$1; +}, function(date) { + return date.getUTCDate() - 1; +}); -function defaultExtent() { - var e = this, w, h; - if (e instanceof SVGElement) { - e = e.ownerSVGElement || e; - w = e.width.baseVal.value; - h = e.height.baseVal.value; - } else { - w = e.clientWidth; - h = e.clientHeight; - } - return [[0, 0], [w, h]]; -} +var utcDays = utcDay.range; -function defaultTransform() { - return this.__zoom || identity$6; +function utcWeekday(i) { + return newInterval(function(date) { + date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCDate(date.getUTCDate() + step * 7); + }, function(start, end) { + return (end - start) / durationWeek$1; + }); } -var zoom = function() { - var filter = defaultFilter$1, - extent = defaultExtent, - k0 = 0, - k1 = Infinity, - x0 = -k1, - x1 = k1, - y0 = x0, - y1 = x1, - duration = 250, - interpolate$$1 = interpolateZoom, - gestures = [], - listeners = dispatch("start", "zoom", "end"), - touchstarting, - touchending, - touchDelay = 500, - wheelDelay = 150; - - function zoom(selection$$1) { - selection$$1 - .on("wheel.zoom", wheeled) - .on("mousedown.zoom", mousedowned) - .on("dblclick.zoom", dblclicked) - .on("touchstart.zoom", touchstarted) - .on("touchmove.zoom", touchmoved) - .on("touchend.zoom touchcancel.zoom", touchended) - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") - .property("__zoom", defaultTransform); - } +var utcSunday = utcWeekday(0); +var utcMonday = utcWeekday(1); +var utcTuesday = utcWeekday(2); +var utcWednesday = utcWeekday(3); +var utcThursday = utcWeekday(4); +var utcFriday = utcWeekday(5); +var utcSaturday = utcWeekday(6); - zoom.transform = function(collection, transform) { - var selection$$1 = collection.selection ? collection.selection() : collection; - selection$$1.property("__zoom", defaultTransform); - if (collection !== selection$$1) { - schedule(collection, transform); - } else { - selection$$1.interrupt().each(function() { - gesture(this, arguments) - .start() - .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) - .end(); - }); - } - }; +var utcSundays = utcSunday.range; +var utcMondays = utcMonday.range; +var utcTuesdays = utcTuesday.range; +var utcWednesdays = utcWednesday.range; +var utcThursdays = utcThursday.range; +var utcFridays = utcFriday.range; +var utcSaturdays = utcSaturday.range; - zoom.scaleBy = function(selection$$1, k) { - zoom.scaleTo(selection$$1, function() { - var k0 = this.__zoom.k, - k1 = typeof k === "function" ? k.apply(this, arguments) : k; - return k0 * k1; - }); - }; +var utcMonth = newInterval(function(date) { + date.setUTCDate(1); + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCMonth(date.getUTCMonth() + step); +}, function(start, end) { + return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; +}, function(date) { + return date.getUTCMonth(); +}); - zoom.scaleTo = function(selection$$1, k) { - zoom.transform(selection$$1, function() { - var e = extent.apply(this, arguments), - t0 = this.__zoom, - p0 = centroid(e), - p1 = t0.invert(p0), - k1 = typeof k === "function" ? k.apply(this, arguments) : k; - return constrain(translate(scale(t0, k1), p0, p1), e); - }); - }; +var utcMonths = utcMonth.range; - zoom.translateBy = function(selection$$1, x, y) { - zoom.transform(selection$$1, function() { - return constrain(this.__zoom.translate( - typeof x === "function" ? x.apply(this, arguments) : x, - typeof y === "function" ? y.apply(this, arguments) : y - ), extent.apply(this, arguments)); - }); - }; +var utcYear = newInterval(function(date) { + date.setUTCMonth(0, 1); + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCFullYear(date.getUTCFullYear() + step); +}, function(start, end) { + return end.getUTCFullYear() - start.getUTCFullYear(); +}, function(date) { + return date.getUTCFullYear(); +}); - function scale(transform, k) { - k = Math.max(k0, Math.min(k1, k)); - return k === transform.k ? transform : new Transform(k, transform.x, transform.y); - } +// An optimized implementation for this simple case. +utcYear.every = function(k) { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { + date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); + date.setUTCMonth(0, 1); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCFullYear(date.getUTCFullYear() + step * k); + }); +}; - function translate(transform, p0, p1) { - var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k; - return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y); - } +var utcYears = utcYear.range; - function constrain(transform, extent) { - var dx0 = transform.invertX(extent[0][0]) - x0, - dx1 = transform.invertX(extent[1][0]) - x1, - dy0 = transform.invertY(extent[0][1]) - y0, - dy1 = transform.invertY(extent[1][1]) - y1; - return transform.translate( - dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1), - dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1) - ); +function localDate(d) { + if (0 <= d.y && d.y < 100) { + var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); + date.setFullYear(d.y); + return date; } + return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L); +} - function centroid(extent) { - return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; +function utcDate(d) { + if (0 <= d.y && d.y < 100) { + var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L)); + date.setUTCFullYear(d.y); + return date; } + return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); +} - function schedule(transition$$1, transform, center) { - transition$$1 - .on("start.zoom", function() { gesture(this, arguments).start(); }) - .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) - .tween("zoom", function() { - var that = this, - args = arguments, - g = gesture(that, args), - e = extent.apply(that, args), - p = center || centroid(e), - w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), - a = that.__zoom, - b = typeof transform === "function" ? transform.apply(that, args) : transform, - i = interpolate$$1(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); - return function(t) { - if (t === 1) t = b; // Avoid rounding error on end. - else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); } - g.zoom(null, t); - }; - }); - } +function newYear(y) { + return {y: y, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0}; +} - function gesture(that, args) { - for (var i = 0, n = gestures.length, g; i < n; ++i) { - if ((g = gestures[i]).that === that) { - return g; - } - } - return new Gesture(that, args); - } +function formatLocale$1(locale) { + var locale_dateTime = locale.dateTime, + locale_date = locale.date, + locale_time = locale.time, + locale_periods = locale.periods, + locale_weekdays = locale.days, + locale_shortWeekdays = locale.shortDays, + locale_months = locale.months, + locale_shortMonths = locale.shortMonths; - function Gesture(that, args) { - this.that = that; - this.args = args; - this.index = -1; - this.active = 0; - this.extent = extent.apply(that, args); - } + var periodRe = formatRe(locale_periods), + periodLookup = formatLookup(locale_periods), + weekdayRe = formatRe(locale_weekdays), + weekdayLookup = formatLookup(locale_weekdays), + shortWeekdayRe = formatRe(locale_shortWeekdays), + shortWeekdayLookup = formatLookup(locale_shortWeekdays), + monthRe = formatRe(locale_months), + monthLookup = formatLookup(locale_months), + shortMonthRe = formatRe(locale_shortMonths), + shortMonthLookup = formatLookup(locale_shortMonths); - Gesture.prototype = { - start: function() { - if (++this.active === 1) { - this.index = gestures.push(this) - 1; - this.emit("start"); - } - return this; - }, - zoom: function(key, transform) { - if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]); - if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); - if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); - this.that.__zoom = transform; - this.emit("zoom"); - return this; - }, - end: function() { - if (--this.active === 0) { - gestures.splice(this.index, 1); - this.index = -1; - this.emit("end"); - } - return this; - }, - emit: function(type) { - customEvent(new ZoomEvent(zoom, type, this.that.__zoom), listeners.apply, listeners, [type, this.that, this.args]); - } + var formats = { + "a": formatShortWeekday, + "A": formatWeekday, + "b": formatShortMonth, + "B": formatMonth, + "c": null, + "d": formatDayOfMonth, + "e": formatDayOfMonth, + "H": formatHour24, + "I": formatHour12, + "j": formatDayOfYear, + "L": formatMilliseconds, + "m": formatMonthNumber, + "M": formatMinutes, + "p": formatPeriod, + "S": formatSeconds, + "U": formatWeekNumberSunday, + "w": formatWeekdayNumber, + "W": formatWeekNumberMonday, + "x": null, + "X": null, + "y": formatYear, + "Y": formatFullYear, + "Z": formatZone, + "%": formatLiteralPercent }; - function wheeled() { - if (!filter.apply(this, arguments)) return; - var g = gesture(this, arguments), - t = this.__zoom, - k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500))), - p = mouse(this); + var utcFormats = { + "a": formatUTCShortWeekday, + "A": formatUTCWeekday, + "b": formatUTCShortMonth, + "B": formatUTCMonth, + "c": null, + "d": formatUTCDayOfMonth, + "e": formatUTCDayOfMonth, + "H": formatUTCHour24, + "I": formatUTCHour12, + "j": formatUTCDayOfYear, + "L": formatUTCMilliseconds, + "m": formatUTCMonthNumber, + "M": formatUTCMinutes, + "p": formatUTCPeriod, + "S": formatUTCSeconds, + "U": formatUTCWeekNumberSunday, + "w": formatUTCWeekdayNumber, + "W": formatUTCWeekNumberMonday, + "x": null, + "X": null, + "y": formatUTCYear, + "Y": formatUTCFullYear, + "Z": formatUTCZone, + "%": formatLiteralPercent + }; - // If the mouse is in the same location as before, reuse it. - // If there were recent wheel events, reset the wheel idle timeout. - if (g.wheel) { - if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) { - g.mouse[1] = t.invert(g.mouse[0] = p); - } - clearTimeout(g.wheel); - } + var parses = { + "a": parseShortWeekday, + "A": parseWeekday, + "b": parseShortMonth, + "B": parseMonth, + "c": parseLocaleDateTime, + "d": parseDayOfMonth, + "e": parseDayOfMonth, + "H": parseHour24, + "I": parseHour24, + "j": parseDayOfYear, + "L": parseMilliseconds, + "m": parseMonthNumber, + "M": parseMinutes, + "p": parsePeriod, + "S": parseSeconds, + "U": parseWeekNumberSunday, + "w": parseWeekdayNumber, + "W": parseWeekNumberMonday, + "x": parseLocaleDate, + "X": parseLocaleTime, + "y": parseYear, + "Y": parseFullYear, + "Z": parseZone, + "%": parseLiteralPercent + }; + + // These recursive directive definitions must be deferred. + formats.x = newFormat(locale_date, formats); + formats.X = newFormat(locale_time, formats); + formats.c = newFormat(locale_dateTime, formats); + utcFormats.x = newFormat(locale_date, utcFormats); + utcFormats.X = newFormat(locale_time, utcFormats); + utcFormats.c = newFormat(locale_dateTime, utcFormats); - // If this wheel event won’t trigger a transform change, ignore it. - else if (t.k === k) return; + function newFormat(specifier, formats) { + return function(date) { + var string = [], + i = -1, + j = 0, + n = specifier.length, + c, + pad, + format; - // Otherwise, capture the mouse point and location at the start. - else { - g.mouse = [p, t.invert(p)]; - interrupt(this); - g.start(); - } + if (!(date instanceof Date)) date = new Date(+date); - noevent$1(); - g.wheel = setTimeout(wheelidled, wheelDelay); - g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent)); + while (++i < n) { + if (specifier.charCodeAt(i) === 37) { + string.push(specifier.slice(j, i)); + if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i); + else pad = c === "e" ? " " : "0"; + if (format = formats[c]) c = format(date, pad); + string.push(c); + j = i + 1; + } + } - function wheelidled() { - g.wheel = null; - g.end(); - } + string.push(specifier.slice(j, i)); + return string.join(""); + }; } - function mousedowned() { - if (touchending || !filter.apply(this, arguments)) return; - var g = gesture(this, arguments), - v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), - p = mouse(this); - - dragDisable(exports.event.view); - nopropagation$1(); - g.mouse = [p, this.__zoom.invert(p)]; - interrupt(this); - g.start(); + function newParse(specifier, newDate) { + return function(string) { + var d = newYear(1900), + i = parseSpecifier(d, specifier, string += "", 0); + if (i != string.length) return null; - function mousemoved() { - noevent$1(); - g.moved = true; - g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent)); - } + // The am-pm flag is 0 for AM, and 1 for PM. + if ("p" in d) d.H = d.H % 12 + d.p * 12; - function mouseupped() { - v.on("mousemove.zoom mouseup.zoom", null); - yesdrag(exports.event.view, g.moved); - noevent$1(); - g.end(); - } - } + // Convert day-of-week and week-of-year to day-of-year. + if ("W" in d || "U" in d) { + if (!("w" in d)) d.w = "W" in d ? 1 : 0; + var day$$1 = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay(); + d.m = 0; + d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$$1 + 5) % 7 : d.w + d.U * 7 - (day$$1 + 6) % 7; + } - function dblclicked() { - if (!filter.apply(this, arguments)) return; - var t0 = this.__zoom, - p0 = mouse(this), - p1 = t0.invert(p0), - k1 = t0.k * (exports.event.shiftKey ? 0.5 : 2), - t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments)); + // If a time zone is specified, all fields are interpreted as UTC and then + // offset according to the specified time zone. + if ("Z" in d) { + d.H += d.Z / 100 | 0; + d.M += d.Z % 100; + return utcDate(d); + } - noevent$1(); - if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0); - else select(this).call(zoom.transform, t1); + // Otherwise, all fields are in local time. + return newDate(d); + }; } - function touchstarted() { - if (!filter.apply(this, arguments)) return; - var g = gesture(this, arguments), - touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, t, p; - - nopropagation$1(); - for (i = 0; i < n; ++i) { - t = touches$$1[i], p = touch(this, touches$$1, t.identifier); - p = [p, this.__zoom.invert(p), t.identifier]; - if (!g.touch0) g.touch0 = p; - else if (!g.touch1) g.touch1 = p; - } + function parseSpecifier(d, specifier, string, j) { + var i = 0, + n = specifier.length, + m = string.length, + c, + parse; - // If this is a dbltap, reroute to the (optional) dblclick.zoom handler. - if (touchstarting) { - touchstarting = clearTimeout(touchstarting); - if (!g.touch1) { - g.end(); - p = select(this).on("dblclick.zoom"); - if (p) p.apply(this, arguments); - return; + while (i < n) { + if (j >= m) return -1; + c = specifier.charCodeAt(i++); + if (c === 37) { + c = specifier.charAt(i++); + parse = parses[c in pads ? specifier.charAt(i++) : c]; + if (!parse || ((j = parse(d, string, j)) < 0)) return -1; + } else if (c != string.charCodeAt(j++)) { + return -1; } } - if (exports.event.touches.length === n) { - touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); - interrupt(this); - g.start(); - } + return j; } - function touchmoved() { - var g = gesture(this, arguments), - touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, t, p, l; - - noevent$1(); - if (touchstarting) touchstarting = clearTimeout(touchstarting); - for (i = 0; i < n; ++i) { - t = touches$$1[i], p = touch(this, touches$$1, t.identifier); - if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; - else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; - } - t = g.that.__zoom; - if (g.touch1) { - var p0 = g.touch0[0], l0 = g.touch0[1], - p1 = g.touch1[0], l1 = g.touch1[1], - dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp, - dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl; - t = scale(t, Math.sqrt(dp / dl)); - p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2]; - l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2]; - } - else if (g.touch0) p = g.touch0[0], l = g.touch0[1]; - else return; - g.zoom("touch", constrain(translate(t, p, l), g.extent)); + function parsePeriod(d, string, i) { + var n = periodRe.exec(string.slice(i)); + return n ? (d.p = periodLookup[n[0].toLowerCase()], i + n[0].length) : -1; } - function touchended() { - var g = gesture(this, arguments), - touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, t; - - nopropagation$1(); - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, touchDelay); - for (i = 0; i < n; ++i) { - t = touches$$1[i]; - if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; - else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; - } - if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1; - if (!g.touch0) g.end(); + function parseShortWeekday(d, string, i) { + var n = shortWeekdayRe.exec(string.slice(i)); + return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; } - zoom.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$10(!!_), zoom) : filter; - }; - - zoom.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$10([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; - }; - - zoom.scaleExtent = function(_) { - return arguments.length ? (k0 = +_[0], k1 = +_[1], zoom) : [k0, k1]; - }; - - zoom.translateExtent = function(_) { - return arguments.length ? (x0 = +_[0][0], x1 = +_[1][0], y0 = +_[0][1], y1 = +_[1][1], zoom) : [[x0, y0], [x1, y1]]; - }; - - zoom.duration = function(_) { - return arguments.length ? (duration = +_, zoom) : duration; - }; + function parseWeekday(d, string, i) { + var n = weekdayRe.exec(string.slice(i)); + return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; + } - zoom.interpolate = function(_) { - return arguments.length ? (interpolate$$1 = _, zoom) : interpolate$$1; - }; + function parseShortMonth(d, string, i) { + var n = shortMonthRe.exec(string.slice(i)); + return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1; + } - zoom.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? zoom : value; - }; + function parseMonth(d, string, i) { + var n = monthRe.exec(string.slice(i)); + return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1; + } - return zoom; -}; + function parseLocaleDateTime(d, string, i) { + return parseSpecifier(d, locale_dateTime, string, i); + } -var constant$11 = function(x) { - return function() { - return x; - }; -}; + function parseLocaleDate(d, string, i) { + return parseSpecifier(d, locale_date, string, i); + } -var BrushEvent = function(target, type, selection) { - this.target = target; - this.type = type; - this.selection = selection; -}; + function parseLocaleTime(d, string, i) { + return parseSpecifier(d, locale_time, string, i); + } -function nopropagation$2() { - exports.event.stopImmediatePropagation(); -} + function formatShortWeekday(d) { + return locale_shortWeekdays[d.getDay()]; + } -var noevent$2 = function() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); -}; + function formatWeekday(d) { + return locale_weekdays[d.getDay()]; + } -var MODE_DRAG = {name: "drag"}; -var MODE_SPACE = {name: "space"}; -var MODE_HANDLE = {name: "handle"}; -var MODE_CENTER = {name: "center"}; + function formatShortMonth(d) { + return locale_shortMonths[d.getMonth()]; + } -var X = { - name: "x", - handles: ["e", "w"].map(type$1), - input: function(x, e) { return x && [[x[0], e[0][1]], [x[1], e[1][1]]]; }, - output: function(xy) { return xy && [xy[0][0], xy[1][0]]; } -}; + function formatMonth(d) { + return locale_months[d.getMonth()]; + } -var Y = { - name: "y", - handles: ["n", "s"].map(type$1), - input: function(y, e) { return y && [[e[0][0], y[0]], [e[1][0], y[1]]]; }, - output: function(xy) { return xy && [xy[0][1], xy[1][1]]; } -}; + function formatPeriod(d) { + return locale_periods[+(d.getHours() >= 12)]; + } -var XY = { - name: "xy", - handles: ["n", "e", "s", "w", "nw", "ne", "se", "sw"].map(type$1), - input: function(xy) { return xy; }, - output: function(xy) { return xy; } -}; + function formatUTCShortWeekday(d) { + return locale_shortWeekdays[d.getUTCDay()]; + } -var cursors = { - overlay: "crosshair", - selection: "move", - n: "ns-resize", - e: "ew-resize", - s: "ns-resize", - w: "ew-resize", - nw: "nwse-resize", - ne: "nesw-resize", - se: "nwse-resize", - sw: "nesw-resize" -}; + function formatUTCWeekday(d) { + return locale_weekdays[d.getUTCDay()]; + } -var flipX = { - e: "w", - w: "e", - nw: "ne", - ne: "nw", - se: "sw", - sw: "se" -}; + function formatUTCShortMonth(d) { + return locale_shortMonths[d.getUTCMonth()]; + } -var flipY = { - n: "s", - s: "n", - nw: "sw", - ne: "se", - se: "ne", - sw: "nw" -}; + function formatUTCMonth(d) { + return locale_months[d.getUTCMonth()]; + } -var signsX = { - overlay: +1, - selection: +1, - n: null, - e: +1, - s: null, - w: -1, - nw: -1, - ne: +1, - se: +1, - sw: -1 -}; + function formatUTCPeriod(d) { + return locale_periods[+(d.getUTCHours() >= 12)]; + } -var signsY = { - overlay: +1, - selection: +1, - n: -1, - e: null, - s: +1, - w: null, - nw: -1, - ne: -1, - se: +1, - sw: +1 -}; + return { + format: function(specifier) { + var f = newFormat(specifier += "", formats); + f.toString = function() { return specifier; }; + return f; + }, + parse: function(specifier) { + var p = newParse(specifier += "", localDate); + p.toString = function() { return specifier; }; + return p; + }, + utcFormat: function(specifier) { + var f = newFormat(specifier += "", utcFormats); + f.toString = function() { return specifier; }; + return f; + }, + utcParse: function(specifier) { + var p = newParse(specifier, utcDate); + p.toString = function() { return specifier; }; + return p; + } + }; +} -function type$1(t) { - return {type: t}; +var pads = {"-": "", "_": " ", "0": "0"}; +var numberRe = /^\s*\d+/; +var percentRe = /^%/; +var requoteRe = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; + +function pad(value, fill, width) { + var sign = value < 0 ? "-" : "", + string = (sign ? -value : value) + "", + length = string.length; + return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); } -// Ignore right-click, since that should open the context menu. -function defaultFilter$2() { - return !exports.event.button; +function requote(s) { + return s.replace(requoteRe, "\\$&"); } -function defaultExtent$1() { - var svg = this.ownerSVGElement || this; - return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]]; +function formatRe(names) { + return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i"); } -// Like d3.local, but with the name “__brush” rather than auto-generated. -function local$1(node) { - while (!node.__brush) if (!(node = node.parentNode)) return; - return node.__brush; +function formatLookup(names) { + var map = {}, i = -1, n = names.length; + while (++i < n) map[names[i].toLowerCase()] = i; + return map; } -function empty$1(extent) { - return extent[0][0] === extent[1][0] - || extent[0][1] === extent[1][1]; +function parseWeekdayNumber(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 1)); + return n ? (d.w = +n[0], i + n[0].length) : -1; } -function brushSelection(node) { - var state = node.__brush; - return state ? state.dim.output(state.selection) : null; +function parseWeekNumberSunday(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.U = +n[0], i + n[0].length) : -1; } -function brushX() { - return brush$1(X); +function parseWeekNumberMonday(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.W = +n[0], i + n[0].length) : -1; } -function brushY() { - return brush$1(Y); +function parseFullYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 4)); + return n ? (d.y = +n[0], i + n[0].length) : -1; } -var brush = function() { - return brush$1(XY); -}; +function parseYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1; +} -function brush$1(dim) { - var extent = defaultExtent$1, - filter = defaultFilter$2, - listeners = dispatch(brush, "start", "brush", "end"), - handleSize = 6, - touchending; +function parseZone(d, string, i) { + var n = /^(Z)|([+-]\d\d)(?:\:?(\d\d))?/.exec(string.slice(i, i + 6)); + return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; +} - function brush(group) { - var overlay = group - .property("__brush", initialize) - .selectAll(".overlay") - .data([type$1("overlay")]); +function parseMonthNumber(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.m = n[0] - 1, i + n[0].length) : -1; +} - overlay.enter().append("rect") - .attr("class", "overlay") - .attr("pointer-events", "all") - .attr("cursor", cursors.overlay) - .merge(overlay) - .each(function() { - var extent = local$1(this).extent; - select(this) - .attr("x", extent[0][0]) - .attr("y", extent[0][1]) - .attr("width", extent[1][0] - extent[0][0]) - .attr("height", extent[1][1] - extent[0][1]); - }); +function parseDayOfMonth(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.d = +n[0], i + n[0].length) : -1; +} - group.selectAll(".selection") - .data([type$1("selection")]) - .enter().append("rect") - .attr("class", "selection") - .attr("cursor", cursors.selection) - .attr("fill", "#777") - .attr("fill-opacity", 0.3) - .attr("stroke", "#fff") - .attr("shape-rendering", "crispEdges"); +function parseDayOfYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 3)); + return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1; +} - var handle = group.selectAll(".handle") - .data(dim.handles, function(d) { return d.type; }); +function parseHour24(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.H = +n[0], i + n[0].length) : -1; +} - handle.exit().remove(); +function parseMinutes(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.M = +n[0], i + n[0].length) : -1; +} - handle.enter().append("rect") - .attr("class", function(d) { return "handle handle--" + d.type; }) - .attr("cursor", function(d) { return cursors[d.type]; }); +function parseSeconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.S = +n[0], i + n[0].length) : -1; +} - group - .each(redraw) - .attr("fill", "none") - .attr("pointer-events", "all") - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") - .on("mousedown.brush touchstart.brush", started); - } +function parseMilliseconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 3)); + return n ? (d.L = +n[0], i + n[0].length) : -1; +} - brush.move = function(group, selection$$1) { - if (group.selection) { - group - .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) - .on("interrupt.brush end.brush", function() { emitter(this, arguments).end(); }) - .tween("brush", function() { - var that = this, - state = that.__brush, - emit = emitter(that, arguments), - selection0 = state.selection, - selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(this, arguments) : selection$$1, state.extent), - i = interpolate(selection0, selection1); +function parseLiteralPercent(d, string, i) { + var n = percentRe.exec(string.slice(i, i + 1)); + return n ? i + n[0].length : -1; +} - function tween(t) { - state.selection = t === 1 && empty$1(selection1) ? null : i(t); - redraw.call(that); - emit.brush(); - } +function formatDayOfMonth(d, p) { + return pad(d.getDate(), p, 2); +} - return selection0 && selection1 ? tween : tween(1); - }); - } else { - group - .each(function() { - var that = this, - args = arguments, - state = that.__brush, - selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(that, args) : selection$$1, state.extent), - emit = emitter(that, args).beforestart(); +function formatHour24(d, p) { + return pad(d.getHours(), p, 2); +} - interrupt(that); - state.selection = selection1 == null || empty$1(selection1) ? null : selection1; - redraw.call(that); - emit.start().brush().end(); - }); - } - }; +function formatHour12(d, p) { + return pad(d.getHours() % 12 || 12, p, 2); +} - function redraw() { - var group = select(this), - selection$$1 = local$1(this).selection; +function formatDayOfYear(d, p) { + return pad(1 + day.count(year(d), d), p, 3); +} - if (selection$$1) { - group.selectAll(".selection") - .style("display", null) - .attr("x", selection$$1[0][0]) - .attr("y", selection$$1[0][1]) - .attr("width", selection$$1[1][0] - selection$$1[0][0]) - .attr("height", selection$$1[1][1] - selection$$1[0][1]); +function formatMilliseconds(d, p) { + return pad(d.getMilliseconds(), p, 3); +} - group.selectAll(".handle") - .style("display", null) - .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection$$1[1][0] - handleSize / 2 : selection$$1[0][0] - handleSize / 2; }) - .attr("y", function(d) { return d.type[0] === "s" ? selection$$1[1][1] - handleSize / 2 : selection$$1[0][1] - handleSize / 2; }) - .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection$$1[1][0] - selection$$1[0][0] + handleSize : handleSize; }) - .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection$$1[1][1] - selection$$1[0][1] + handleSize : handleSize; }); - } +function formatMonthNumber(d, p) { + return pad(d.getMonth() + 1, p, 2); +} - else { - group.selectAll(".selection,.handle") - .style("display", "none") - .attr("x", null) - .attr("y", null) - .attr("width", null) - .attr("height", null); - } - } +function formatMinutes(d, p) { + return pad(d.getMinutes(), p, 2); +} - function emitter(that, args) { - return that.__brush.emitter || new Emitter(that, args); - } +function formatSeconds(d, p) { + return pad(d.getSeconds(), p, 2); +} - function Emitter(that, args) { - this.that = that; - this.args = args; - this.state = that.__brush; - this.active = 0; - } +function formatWeekNumberSunday(d, p) { + return pad(sunday.count(year(d), d), p, 2); +} - Emitter.prototype = { - beforestart: function() { - if (++this.active === 1) this.state.emitter = this, this.starting = true; - return this; - }, - start: function() { - if (this.starting) this.starting = false, this.emit("start"); - return this; - }, - brush: function() { - this.emit("brush"); - return this; - }, - end: function() { - if (--this.active === 0) delete this.state.emitter, this.emit("end"); - return this; - }, - emit: function(type) { - customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]); - } - }; +function formatWeekdayNumber(d) { + return d.getDay(); +} - function started() { - if (exports.event.touches) { if (exports.event.changedTouches.length < exports.event.touches.length) return noevent$2(); } - else if (touchending) return; - if (!filter.apply(this, arguments)) return; +function formatWeekNumberMonday(d, p) { + return pad(monday.count(year(d), d), p, 2); +} - var that = this, - type = exports.event.target.__data__.type, - mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE), - signX = dim === Y ? null : signsX[type], - signY = dim === X ? null : signsY[type], - state = local$1(that), - extent = state.extent, - selection$$1 = state.selection, - W = extent[0][0], w0, w1, - N = extent[0][1], n0, n1, - E = extent[1][0], e0, e1, - S = extent[1][1], s0, s1, - dx, - dy, - moving, - shifting = signX && signY && exports.event.shiftKey, - lockX, - lockY, - point0 = mouse(that), - point = point0, - emit = emitter(that, arguments).beforestart(); +function formatYear(d, p) { + return pad(d.getFullYear() % 100, p, 2); +} - if (type === "overlay") { - state.selection = selection$$1 = [ - [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], - [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] - ]; - } else { - w0 = selection$$1[0][0]; - n0 = selection$$1[0][1]; - e0 = selection$$1[1][0]; - s0 = selection$$1[1][1]; - } +function formatFullYear(d, p) { + return pad(d.getFullYear() % 10000, p, 4); +} - w1 = w0; - n1 = n0; - e1 = e0; - s1 = s0; +function formatZone(d) { + var z = d.getTimezoneOffset(); + return (z > 0 ? "-" : (z *= -1, "+")) + + pad(z / 60 | 0, "0", 2) + + pad(z % 60, "0", 2); +} - var group = select(that) - .attr("pointer-events", "none"); +function formatUTCDayOfMonth(d, p) { + return pad(d.getUTCDate(), p, 2); +} - var overlay = group.selectAll(".overlay") - .attr("cursor", cursors[type]); +function formatUTCHour24(d, p) { + return pad(d.getUTCHours(), p, 2); +} - if (exports.event.touches) { - group - .on("touchmove.brush", moved, true) - .on("touchend.brush touchcancel.brush", ended, true); - } else { - var view = select(exports.event.view) - .on("keydown.brush", keydowned, true) - .on("keyup.brush", keyupped, true) - .on("mousemove.brush", moved, true) - .on("mouseup.brush", ended, true); +function formatUTCHour12(d, p) { + return pad(d.getUTCHours() % 12 || 12, p, 2); +} - dragDisable(exports.event.view); - } +function formatUTCDayOfYear(d, p) { + return pad(1 + utcDay.count(utcYear(d), d), p, 3); +} - nopropagation$2(); - interrupt(that); - redraw.call(that); - emit.start(); +function formatUTCMilliseconds(d, p) { + return pad(d.getUTCMilliseconds(), p, 3); +} - function moved() { - var point1 = mouse(that); - if (shifting && !lockX && !lockY) { - if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true; - else lockX = true; - } - point = point1; - moving = true; - noevent$2(); - move(); - } +function formatUTCMonthNumber(d, p) { + return pad(d.getUTCMonth() + 1, p, 2); +} - function move() { - var t; +function formatUTCMinutes(d, p) { + return pad(d.getUTCMinutes(), p, 2); +} - dx = point[0] - point0[0]; - dy = point[1] - point0[1]; +function formatUTCSeconds(d, p) { + return pad(d.getUTCSeconds(), p, 2); +} - switch (mode) { - case MODE_SPACE: - case MODE_DRAG: { - if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx; - if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy; - break; - } - case MODE_HANDLE: { - if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0; - else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx; - if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0; - else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy; - break; - } - case MODE_CENTER: { - if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX)); - if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY)); - break; - } - } +function formatUTCWeekNumberSunday(d, p) { + return pad(utcSunday.count(utcYear(d), d), p, 2); +} - if (e1 < w1) { - signX *= -1; - t = w0, w0 = e0, e0 = t; - t = w1, w1 = e1, e1 = t; - if (type in flipX) overlay.attr("cursor", cursors[type = flipX[type]]); - } +function formatUTCWeekdayNumber(d) { + return d.getUTCDay(); +} + +function formatUTCWeekNumberMonday(d, p) { + return pad(utcMonday.count(utcYear(d), d), p, 2); +} + +function formatUTCYear(d, p) { + return pad(d.getUTCFullYear() % 100, p, 2); +} - if (s1 < n1) { - signY *= -1; - t = n0, n0 = s0, s0 = t; - t = n1, n1 = s1, s1 = t; - if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); - } +function formatUTCFullYear(d, p) { + return pad(d.getUTCFullYear() % 10000, p, 4); +} - if (state.selection) selection$$1 = state.selection; // May be set by brush.move! - if (lockX) w1 = selection$$1[0][0], e1 = selection$$1[1][0]; - if (lockY) n1 = selection$$1[0][1], s1 = selection$$1[1][1]; +function formatUTCZone() { + return "+0000"; +} - if (selection$$1[0][0] !== w1 - || selection$$1[0][1] !== n1 - || selection$$1[1][0] !== e1 - || selection$$1[1][1] !== s1) { - state.selection = [[w1, n1], [e1, s1]]; - redraw.call(that); - emit.brush(); - } - } +function formatLiteralPercent() { + return "%"; +} - function ended() { - nopropagation$2(); - if (exports.event.touches) { - if (exports.event.touches.length) return; - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! - group.on("touchmove.brush touchend.brush touchcancel.brush", null); - } else { - yesdrag(exports.event.view, moving); - view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); - } - group.attr("pointer-events", "all"); - overlay.attr("cursor", cursors.overlay); - if (state.selection) selection$$1 = state.selection; // May be set by brush.move (on start)! - if (empty$1(selection$$1)) state.selection = null, redraw.call(that); - emit.end(); - } +var locale$2; - function keydowned() { - switch (exports.event.keyCode) { - case 16: { // SHIFT - shifting = signX && signY; - break; - } - case 18: { // ALT - if (mode === MODE_HANDLE) { - if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; - if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; - mode = MODE_CENTER; - move(); - } - break; - } - case 32: { // SPACE; takes priority over ALT - if (mode === MODE_HANDLE || mode === MODE_CENTER) { - if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx; - if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy; - mode = MODE_SPACE; - overlay.attr("cursor", cursors.selection); - move(); - } - break; - } - default: return; - } - noevent$2(); - } - function keyupped() { - switch (exports.event.keyCode) { - case 16: { // SHIFT - if (shifting) { - lockX = lockY = shifting = false; - move(); - } - break; - } - case 18: { // ALT - if (mode === MODE_CENTER) { - if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; - if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; - mode = MODE_HANDLE; - move(); - } - break; - } - case 32: { // SPACE - if (mode === MODE_SPACE) { - if (exports.event.altKey) { - if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; - if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; - mode = MODE_CENTER; - } else { - if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; - if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; - mode = MODE_HANDLE; - } - overlay.attr("cursor", cursors[type]); - move(); - } - break; - } - default: return; - } - noevent$2(); - } - } - function initialize() { - var state = this.__brush || {selection: null}; - state.extent = extent.apply(this, arguments); - state.dim = dim; - return state; - } - brush.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$11([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), brush) : extent; - }; - brush.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$11(!!_), brush) : filter; - }; +defaultLocale$1({ + dateTime: "%x, %X", + date: "%-m/%-d/%Y", + time: "%-I:%M:%S %p", + periods: ["AM", "PM"], + days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], + shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], + months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], + shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"] +}); - brush.handleSize = function(_) { - return arguments.length ? (handleSize = +_, brush) : handleSize; - }; +function defaultLocale$1(definition) { + locale$2 = formatLocale$1(definition); + exports.timeFormat = locale$2.format; + exports.timeParse = locale$2.parse; + exports.utcFormat = locale$2.utcFormat; + exports.utcParse = locale$2.utcParse; + return locale$2; +} - brush.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? brush : value; - }; +var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; - return brush; +function formatIsoNative(date) { + return date.toISOString(); } -var cos = Math.cos; -var sin = Math.sin; -var pi$3 = Math.PI; -var halfPi$2 = pi$3 / 2; -var tau$3 = pi$3 * 2; -var max$1 = Math.max; +var formatIso = Date.prototype.toISOString + ? formatIsoNative + : exports.utcFormat(isoSpecifier); -function compareValue(compare) { - return function(a, b) { - return compare( - a.source.value + a.target.value, - b.source.value + b.target.value - ); - }; +function parseIsoNative(string) { + var date = new Date(string); + return isNaN(date) ? null : date; } -var chord = function() { - var padAngle = 0, - sortGroups = null, - sortSubgroups = null, - sortChords = null; +var parseIso = +new Date("2000-01-01T00:00:00.000Z") + ? parseIsoNative + : exports.utcParse(isoSpecifier); - function chord(matrix) { - var n = matrix.length, - groupSums = [], - groupIndex = range(n), - subgroupIndex = [], - chords = [], - groups = chords.groups = new Array(n), - subgroups = new Array(n * n), - k, - x, - x0, - dx, - i, - j; +var durationSecond = 1000; +var durationMinute = durationSecond * 60; +var durationHour = durationMinute * 60; +var durationDay = durationHour * 24; +var durationWeek = durationDay * 7; +var durationMonth = durationDay * 30; +var durationYear = durationDay * 365; - // Compute the sum. - k = 0, i = -1; while (++i < n) { - x = 0, j = -1; while (++j < n) { - x += matrix[i][j]; - } - groupSums.push(x); - subgroupIndex.push(range(n)); - k += x; - } +function date$1(t) { + return new Date(t); +} - // Sort groups… - if (sortGroups) groupIndex.sort(function(a, b) { - return sortGroups(groupSums[a], groupSums[b]); - }); +function number$2(t) { + return t instanceof Date ? +t : +new Date(+t); +} - // Sort subgroups… - if (sortSubgroups) subgroupIndex.forEach(function(d, i) { - d.sort(function(a, b) { - return sortSubgroups(matrix[i][a], matrix[i][b]); - }); - }); +function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format) { + var scale = continuous(deinterpolateLinear, reinterpolate), + invert = scale.invert, + domain = scale.domain; - // Convert the sum to scaling factor for [0, 2pi]. - // TODO Allow start and end angle to be specified? - // TODO Allow padding to be specified as percentage? - k = max$1(0, tau$3 - padAngle * n) / k; - dx = k ? padAngle : tau$3 / n; + var formatMillisecond = format(".%L"), + formatSecond = format(":%S"), + formatMinute = format("%I:%M"), + formatHour = format("%I %p"), + formatDay = format("%a %d"), + formatWeek = format("%b %d"), + formatMonth = format("%B"), + formatYear = format("%Y"); - // Compute the start and end angle for each group and subgroup. - // Note: Opera has a bug reordering object literal properties! - x = 0, i = -1; while (++i < n) { - x0 = x, j = -1; while (++j < n) { - var di = groupIndex[i], - dj = subgroupIndex[di][j], - v = matrix[di][dj], - a0 = x, - a1 = x += v * k; - subgroups[dj * n + di] = { - index: di, - subindex: dj, - startAngle: a0, - endAngle: a1, - value: v - }; - } - groups[di] = { - index: di, - startAngle: x0, - endAngle: x, - value: groupSums[di] - }; - x += dx; - } + var tickIntervals = [ + [second$$1, 1, durationSecond], + [second$$1, 5, 5 * durationSecond], + [second$$1, 15, 15 * durationSecond], + [second$$1, 30, 30 * durationSecond], + [minute$$1, 1, durationMinute], + [minute$$1, 5, 5 * durationMinute], + [minute$$1, 15, 15 * durationMinute], + [minute$$1, 30, 30 * durationMinute], + [ hour$$1, 1, durationHour ], + [ hour$$1, 3, 3 * durationHour ], + [ hour$$1, 6, 6 * durationHour ], + [ hour$$1, 12, 12 * durationHour ], + [ day$$1, 1, durationDay ], + [ day$$1, 2, 2 * durationDay ], + [ week, 1, durationWeek ], + [ month$$1, 1, durationMonth ], + [ month$$1, 3, 3 * durationMonth ], + [ year$$1, 1, durationYear ] + ]; - // Generate chords for each (non-empty) subgroup-subgroup link. - i = -1; while (++i < n) { - j = i - 1; while (++j < n) { - var source = subgroups[j * n + i], - target = subgroups[i * n + j]; - if (source.value || target.value) { - chords.push(source.value < target.value - ? {source: target, target: source} - : {source: source, target: target}); - } + function tickFormat(date) { + return (second$$1(date) < date ? formatMillisecond + : minute$$1(date) < date ? formatSecond + : hour$$1(date) < date ? formatMinute + : day$$1(date) < date ? formatHour + : month$$1(date) < date ? (week(date) < date ? formatDay : formatWeek) + : year$$1(date) < date ? formatMonth + : formatYear)(date); + } + + function tickInterval(interval, start, stop, step) { + if (interval == null) interval = 10; + + // If a desired tick count is specified, pick a reasonable tick interval + // based on the extent of the domain and a rough estimate of tick size. + // Otherwise, assume interval is already a time interval and use it. + if (typeof interval === "number") { + var target = Math.abs(stop - start) / interval, + i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); + if (i === tickIntervals.length) { + step = tickStep(start / durationYear, stop / durationYear, interval); + interval = year$$1; + } else if (i) { + i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; + step = i[1]; + interval = i[0]; + } else { + step = tickStep(start, stop, interval); + interval = millisecond$$1; } } - return sortChords ? chords.sort(sortChords) : chords; + return step == null ? interval : interval.every(step); } - chord.padAngle = function(_) { - return arguments.length ? (padAngle = max$1(0, _), chord) : padAngle; + scale.invert = function(y) { + return new Date(invert(y)); }; - chord.sortGroups = function(_) { - return arguments.length ? (sortGroups = _, chord) : sortGroups; + scale.domain = function(_) { + return arguments.length ? domain(map$3.call(_, number$2)) : domain().map(date$1); }; - chord.sortSubgroups = function(_) { - return arguments.length ? (sortSubgroups = _, chord) : sortSubgroups; + scale.ticks = function(interval, step) { + var d = domain(), + t0 = d[0], + t1 = d[d.length - 1], + r = t1 < t0, + t; + if (r) t = t0, t0 = t1, t1 = t; + t = tickInterval(interval, t0, t1, step); + t = t ? t.range(t0, t1 + 1) : []; // inclusive stop + return r ? t.reverse() : t; }; - chord.sortChords = function(_) { - return arguments.length ? (_ == null ? sortChords = null : (sortChords = compareValue(_))._ = _, chord) : sortChords && sortChords._; + scale.tickFormat = function(count, specifier) { + return specifier == null ? tickFormat : format(specifier); }; - return chord; -}; - -var slice$5 = Array.prototype.slice; + scale.nice = function(interval, step) { + var d = domain(); + return (interval = tickInterval(interval, d[0], d[d.length - 1], step)) + ? domain(nice(d, interval)) + : scale; + }; -var constant$12 = function(x) { - return function() { - return x; + scale.copy = function() { + return copy(scale, calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format)); }; -}; -function defaultSource(d) { - return d.source; + return scale; } -function defaultTarget(d) { - return d.target; -} +var time = function() { + return calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]); +}; -function defaultRadius$1(d) { - return d.radius; -} +var utcTime = function() { + return calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); +}; -function defaultStartAngle(d) { - return d.startAngle; -} +var colors = function(s) { + return s.match(/.{6}/g).map(function(x) { + return "#" + x; + }); +}; -function defaultEndAngle(d) { - return d.endAngle; -} +var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); -var ribbon = function() { - var source = defaultSource, - target = defaultTarget, - radius = defaultRadius$1, - startAngle = defaultStartAngle, - endAngle = defaultEndAngle, - context = null; +var category20b = colors("393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6"); - function ribbon() { - var buffer, - argv = slice$5.call(arguments), - s = source.apply(this, argv), - t = target.apply(this, argv), - sr = +radius.apply(this, (argv[0] = s, argv)), - sa0 = startAngle.apply(this, argv) - halfPi$2, - sa1 = endAngle.apply(this, argv) - halfPi$2, - sx0 = sr * cos(sa0), - sy0 = sr * sin(sa0), - tr = +radius.apply(this, (argv[0] = t, argv)), - ta0 = startAngle.apply(this, argv) - halfPi$2, - ta1 = endAngle.apply(this, argv) - halfPi$2; +var category20c = colors("3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9"); - if (!context) context = buffer = path(); +var category20 = colors("1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5"); - context.moveTo(sx0, sy0); - context.arc(0, 0, sr, sa0, sa1); - if (sa0 !== ta0 || sa1 !== ta1) { // TODO sr !== tr? - context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0)); - context.arc(0, 0, tr, ta0, ta1); - } - context.quadraticCurveTo(0, 0, sx0, sy0); - context.closePath(); +var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); - if (buffer) return context = null, buffer + "" || null; - } +var warm = cubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); - ribbon.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$12(+_), ribbon) : radius; - }; +var cool = cubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); - ribbon.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$12(+_), ribbon) : startAngle; - }; +var rainbow = cubehelix(); - ribbon.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$12(+_), ribbon) : endAngle; - }; +var rainbow$1 = function(t) { + if (t < 0 || t > 1) t -= Math.floor(t); + var ts = Math.abs(t - 0.5); + rainbow.h = 360 * t - 100; + rainbow.s = 1.5 - 1.5 * ts; + rainbow.l = 0.8 - 0.9 * ts; + return rainbow + ""; +}; - ribbon.source = function(_) { - return arguments.length ? (source = _, ribbon) : source; +function ramp(range) { + var n = range.length; + return function(t) { + return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; }; +} - ribbon.target = function(_) { - return arguments.length ? (target = _, ribbon) : target; - }; +var viridis = ramp(colors("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")); - ribbon.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), ribbon) : context; +var magma = ramp(colors("00000401000501010601010802010902020b02020d03030f03031204041405041606051806051a07061c08071e0907200a08220b09240c09260d0a290e0b2b100b2d110c2f120d31130d34140e36150e38160f3b180f3d19103f1a10421c10441d11471e114920114b21114e22115024125325125527125829115a2a115c2c115f2d11612f116331116533106734106936106b38106c390f6e3b0f703d0f713f0f72400f74420f75440f764510774710784910784a10794c117a4e117b4f127b51127c52137c54137d56147d57157e59157e5a167e5c167f5d177f5f187f601880621980641a80651a80671b80681c816a1c816b1d816d1d816e1e81701f81721f817320817521817621817822817922827b23827c23827e24828025828125818326818426818627818827818928818b29818c29818e2a81902a81912b81932b80942c80962c80982d80992d809b2e7f9c2e7f9e2f7fa02f7fa1307ea3307ea5317ea6317da8327daa337dab337cad347cae347bb0357bb2357bb3367ab5367ab73779b83779ba3878bc3978bd3977bf3a77c03a76c23b75c43c75c53c74c73d73c83e73ca3e72cc3f71cd4071cf4070d0416fd2426fd3436ed5446dd6456cd8456cd9466bdb476adc4869de4968df4a68e04c67e24d66e34e65e44f64e55064e75263e85362e95462ea5661eb5760ec5860ed5a5fee5b5eef5d5ef05f5ef1605df2625df2645cf3655cf4675cf4695cf56b5cf66c5cf66e5cf7705cf7725cf8745cf8765cf9785df9795df97b5dfa7d5efa7f5efa815ffb835ffb8560fb8761fc8961fc8a62fc8c63fc8e64fc9065fd9266fd9467fd9668fd9869fd9a6afd9b6bfe9d6cfe9f6dfea16efea36ffea571fea772fea973feaa74feac76feae77feb078feb27afeb47bfeb67cfeb77efeb97ffebb81febd82febf84fec185fec287fec488fec68afec88cfeca8dfecc8ffecd90fecf92fed194fed395fed597fed799fed89afdda9cfddc9efddea0fde0a1fde2a3fde3a5fde5a7fde7a9fde9aafdebacfcecaefceeb0fcf0b2fcf2b4fcf4b6fcf6b8fcf7b9fcf9bbfcfbbdfcfdbf")); + +var inferno = ramp(colors("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")); + +var plasma = ramp(colors("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")); + +function sequential(interpolator) { + var x0 = 0, + x1 = 1, + clamp = false; + + function scale(x) { + var t = (x - x0) / (x1 - x0); + return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t); + } + + scale.domain = function(_) { + return arguments.length ? (x0 = +_[0], x1 = +_[1], scale) : [x0, x1]; }; - return ribbon; -}; + scale.clamp = function(_) { + return arguments.length ? (clamp = !!_, scale) : clamp; + }; -// Adds floating point numbers with twice the normal precision. -// Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and -// Fast Robust Geometric Predicates, Discrete & Computational Geometry 18(3) -// 305–363 (1997). -// Code adapted from GeographicLib by Charles F. F. Karney, -// http://geographiclib.sourceforge.net/ + scale.interpolator = function(_) { + return arguments.length ? (interpolator = _, scale) : interpolator; + }; -var adder = function() { - return new Adder; -}; + scale.copy = function() { + return sequential(interpolator).domain([x0, x1]).clamp(clamp); + }; -function Adder() { - this.reset(); + return linearish(scale); } -Adder.prototype = { - constructor: Adder, - reset: function() { - this.s = // rounded value - this.t = 0; // exact error - }, - add: function(y) { - add$1(temp, y, this.t); - add$1(this, temp.s, this.s); - if (this.s) this.t += temp.t; - else this.s = temp.t; - }, - valueOf: function() { - return this.s; - } +var constant$10 = function(x) { + return function constant() { + return x; + }; }; -var temp = new Adder; - -function add$1(adder, a, b) { - var x = adder.s = a + b, - bv = x - a, - av = x - bv; - adder.t = (a - av) + (b - bv); -} +var abs$1 = Math.abs; +var atan2$1 = Math.atan2; +var cos$2 = Math.cos; +var max$2 = Math.max; +var min$1 = Math.min; +var sin$2 = Math.sin; +var sqrt$2 = Math.sqrt; -var epsilon$4 = 1e-6; -var epsilon2$2 = 1e-12; +var epsilon$3 = 1e-12; var pi$4 = Math.PI; var halfPi$3 = pi$4 / 2; -var quarterPi = pi$4 / 4; -var tau$4 = pi$4 * 2; +var tau$4 = 2 * pi$4; -var degrees$1 = 180 / pi$4; -var radians = pi$4 / 180; +function acos$1(x) { + return x > 1 ? 0 : x < -1 ? pi$4 : Math.acos(x); +} -var abs = Math.abs; -var atan = Math.atan; -var atan2 = Math.atan2; -var cos$1 = Math.cos; -var ceil = Math.ceil; -var exp = Math.exp; +function asin$1(x) { + return x >= 1 ? halfPi$3 : x <= -1 ? -halfPi$3 : Math.asin(x); +} -var log$1 = Math.log; -var pow$1 = Math.pow; -var sin$1 = Math.sin; -var sign$1 = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; }; -var sqrt$1 = Math.sqrt; -var tan = Math.tan; +function arcInnerRadius(d) { + return d.innerRadius; +} -function acos(x) { - return x > 1 ? 0 : x < -1 ? pi$4 : Math.acos(x); +function arcOuterRadius(d) { + return d.outerRadius; } -function asin$1(x) { - return x > 1 ? halfPi$3 : x < -1 ? -halfPi$3 : Math.asin(x); +function arcStartAngle(d) { + return d.startAngle; } -function haversin(x) { - return (x = sin$1(x / 2)) * x; +function arcEndAngle(d) { + return d.endAngle; } -function noop$2() {} +function arcPadAngle(d) { + return d && d.padAngle; // Note: optional! +} -function streamGeometry(geometry, stream) { - if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { - streamGeometryType[geometry.type](geometry, stream); - } +function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { + var x10 = x1 - x0, y10 = y1 - y0, + x32 = x3 - x2, y32 = y3 - y2, + t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / (y32 * x10 - x32 * y10); + return [x0 + t * x10, y0 + t * y10]; } -var streamObjectType = { - Feature: function(feature, stream) { - streamGeometry(feature.geometry, stream); - }, - FeatureCollection: function(object, stream) { - var features = object.features, i = -1, n = features.length; - while (++i < n) streamGeometry(features[i].geometry, stream); - } -}; +// Compute perpendicular offset line of length rc. +// http://mathworld.wolfram.com/Circle-LineIntersection.html +function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { + var x01 = x0 - x1, + y01 = y0 - y1, + lo = (cw ? rc : -rc) / sqrt$2(x01 * x01 + y01 * y01), + ox = lo * y01, + oy = -lo * x01, + x11 = x0 + ox, + y11 = y0 + oy, + x10 = x1 + ox, + y10 = y1 + oy, + x00 = (x11 + x10) / 2, + y00 = (y11 + y10) / 2, + dx = x10 - x11, + dy = y10 - y11, + d2 = dx * dx + dy * dy, + r = r1 - rc, + D = x11 * y10 - x10 * y11, + d = (dy < 0 ? -1 : 1) * sqrt$2(max$2(0, r * r * d2 - D * D)), + cx0 = (D * dy - dx * d) / d2, + cy0 = (-D * dx - dy * d) / d2, + cx1 = (D * dy + dx * d) / d2, + cy1 = (-D * dx + dy * d) / d2, + dx0 = cx0 - x00, + dy0 = cy0 - y00, + dx1 = cx1 - x00, + dy1 = cy1 - y00; -var streamGeometryType = { - Sphere: function(object, stream) { - stream.sphere(); - }, - Point: function(object, stream) { - object = object.coordinates; - stream.point(object[0], object[1], object[2]); - }, - MultiPoint: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]); - }, - LineString: function(object, stream) { - streamLine(object.coordinates, stream, 0); - }, - MultiLineString: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) streamLine(coordinates[i], stream, 0); - }, - Polygon: function(object, stream) { - streamPolygon(object.coordinates, stream); - }, - MultiPolygon: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) streamPolygon(coordinates[i], stream); - }, - GeometryCollection: function(object, stream) { - var geometries = object.geometries, i = -1, n = geometries.length; - while (++i < n) streamGeometry(geometries[i], stream); - } -}; + // Pick the closer of the two intersection points. + // TODO Is there a faster way to determine which intersection to use? + if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; -function streamLine(coordinates, stream, closed) { - var i = -1, n = coordinates.length - closed, coordinate; - stream.lineStart(); - while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]); - stream.lineEnd(); + return { + cx: cx0, + cy: cy0, + x01: -ox, + y01: -oy, + x11: cx0 * (r1 / r - 1), + y11: cy0 * (r1 / r - 1) + }; } -function streamPolygon(coordinates, stream) { - var i = -1, n = coordinates.length; - stream.polygonStart(); - while (++i < n) streamLine(coordinates[i], stream, 1); - stream.polygonEnd(); -} +var arc = function() { + var innerRadius = arcInnerRadius, + outerRadius = arcOuterRadius, + cornerRadius = constant$10(0), + padRadius = null, + startAngle = arcStartAngle, + endAngle = arcEndAngle, + padAngle = arcPadAngle, + context = null; -var geoStream = function(object, stream) { - if (object && streamObjectType.hasOwnProperty(object.type)) { - streamObjectType[object.type](object, stream); - } else { - streamGeometry(object, stream); - } -}; + function arc() { + var buffer, + r, + r0 = +innerRadius.apply(this, arguments), + r1 = +outerRadius.apply(this, arguments), + a0 = startAngle.apply(this, arguments) - halfPi$3, + a1 = endAngle.apply(this, arguments) - halfPi$3, + da = abs$1(a1 - a0), + cw = a1 > a0; -var areaRingSum = adder(); + if (!context) context = buffer = path(); -var areaSum = adder(); -var lambda00; -var phi00; -var lambda0; -var cosPhi0; -var sinPhi0; + // Ensure that the outer radius is always larger than the inner radius. + if (r1 < r0) r = r1, r1 = r0, r0 = r; -var areaStream = { - point: noop$2, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: function() { - areaRingSum.reset(); - areaStream.lineStart = areaRingStart; - areaStream.lineEnd = areaRingEnd; - }, - polygonEnd: function() { - var areaRing = +areaRingSum; - areaSum.add(areaRing < 0 ? tau$4 + areaRing : areaRing); - this.lineStart = this.lineEnd = this.point = noop$2; - }, - sphere: function() { - areaSum.add(tau$4); - } -}; + // Is it a point? + if (!(r1 > epsilon$3)) context.moveTo(0, 0); -function areaRingStart() { - areaStream.point = areaPointFirst; -} + // Or is it a circle or annulus? + else if (da > tau$4 - epsilon$3) { + context.moveTo(r1 * cos$2(a0), r1 * sin$2(a0)); + context.arc(0, 0, r1, a0, a1, !cw); + if (r0 > epsilon$3) { + context.moveTo(r0 * cos$2(a1), r0 * sin$2(a1)); + context.arc(0, 0, r0, a1, a0, cw); + } + } -function areaRingEnd() { - areaPoint(lambda00, phi00); -} + // Or is it a circular or annular sector? + else { + var a01 = a0, + a11 = a1, + a00 = a0, + a10 = a1, + da0 = da, + da1 = da, + ap = padAngle.apply(this, arguments) / 2, + rp = (ap > epsilon$3) && (padRadius ? +padRadius.apply(this, arguments) : sqrt$2(r0 * r0 + r1 * r1)), + rc = min$1(abs$1(r1 - r0) / 2, +cornerRadius.apply(this, arguments)), + rc0 = rc, + rc1 = rc, + t0, + t1; -function areaPointFirst(lambda, phi) { - areaStream.point = areaPoint; - lambda00 = lambda, phi00 = phi; - lambda *= radians, phi *= radians; - lambda0 = lambda, cosPhi0 = cos$1(phi = phi / 2 + quarterPi), sinPhi0 = sin$1(phi); -} + // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0. + if (rp > epsilon$3) { + var p0 = asin$1(rp / r0 * sin$2(ap)), + p1 = asin$1(rp / r1 * sin$2(ap)); + if ((da0 -= p0 * 2) > epsilon$3) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0; + else da0 = 0, a00 = a10 = (a0 + a1) / 2; + if ((da1 -= p1 * 2) > epsilon$3) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1; + else da1 = 0, a01 = a11 = (a0 + a1) / 2; + } -function areaPoint(lambda, phi) { - lambda *= radians, phi *= radians; - phi = phi / 2 + quarterPi; // half the angular distance from south pole + var x01 = r1 * cos$2(a01), + y01 = r1 * sin$2(a01), + x10 = r0 * cos$2(a10), + y10 = r0 * sin$2(a10); - // Spherical excess E for a spherical triangle with vertices: south pole, - // previous point, current point. Uses a formula derived from Cagnoli’s - // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2). - var dLambda = lambda - lambda0, - sdLambda = dLambda >= 0 ? 1 : -1, - adLambda = sdLambda * dLambda, - cosPhi = cos$1(phi), - sinPhi = sin$1(phi), - k = sinPhi0 * sinPhi, - u = cosPhi0 * cosPhi + k * cos$1(adLambda), - v = k * sdLambda * sin$1(adLambda); - areaRingSum.add(atan2(v, u)); + // Apply rounded corners? + if (rc > epsilon$3) { + var x11 = r1 * cos$2(a11), + y11 = r1 * sin$2(a11), + x00 = r0 * cos$2(a00), + y00 = r0 * sin$2(a00); - // Advance the previous points. - lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; -} + // Restrict the corner radius according to the sector angle. + if (da < pi$4) { + var oc = da0 > epsilon$3 ? intersect(x01, y01, x00, y00, x11, y11, x10, y10) : [x10, y10], + ax = x01 - oc[0], + ay = y01 - oc[1], + bx = x11 - oc[0], + by = y11 - oc[1], + kc = 1 / sin$2(acos$1((ax * bx + ay * by) / (sqrt$2(ax * ax + ay * ay) * sqrt$2(bx * bx + by * by))) / 2), + lc = sqrt$2(oc[0] * oc[0] + oc[1] * oc[1]); + rc0 = min$1(rc, (r0 - lc) / (kc - 1)); + rc1 = min$1(rc, (r1 - lc) / (kc + 1)); + } + } -var area$2 = function(object) { - areaSum.reset(); - geoStream(object, areaStream); - return areaSum * 2; -}; + // Is the sector collapsed to a line? + if (!(da1 > epsilon$3)) context.moveTo(x01, y01); -function spherical(cartesian) { - return [atan2(cartesian[1], cartesian[0]), asin$1(cartesian[2])]; -} + // Does the sector’s outer ring have rounded corners? + else if (rc1 > epsilon$3) { + t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw); + t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw); -function cartesian(spherical) { - var lambda = spherical[0], phi = spherical[1], cosPhi = cos$1(phi); - return [cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)]; -} + context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01); + + // Have the corners merged? + if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, atan2$1(t0.y01, t0.x01), atan2$1(t1.y01, t1.x01), !cw); + + // Otherwise, draw the two corners and the ring. + else { + context.arc(t0.cx, t0.cy, rc1, atan2$1(t0.y01, t0.x01), atan2$1(t0.y11, t0.x11), !cw); + context.arc(0, 0, r1, atan2$1(t0.cy + t0.y11, t0.cx + t0.x11), atan2$1(t1.cy + t1.y11, t1.cx + t1.x11), !cw); + context.arc(t1.cx, t1.cy, rc1, atan2$1(t1.y11, t1.x11), atan2$1(t1.y01, t1.x01), !cw); + } + } + + // Or is the outer ring just a circular arc? + else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw); + + // Is there no inner ring, and it’s a circular sector? + // Or perhaps it’s an annular sector collapsed due to padding? + if (!(r0 > epsilon$3) || !(da0 > epsilon$3)) context.lineTo(x10, y10); + + // Does the sector’s inner ring (or point) have rounded corners? + else if (rc0 > epsilon$3) { + t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw); + t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw); + + context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01); + + // Have the corners merged? + if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, atan2$1(t0.y01, t0.x01), atan2$1(t1.y01, t1.x01), !cw); + + // Otherwise, draw the two corners and the ring. + else { + context.arc(t0.cx, t0.cy, rc0, atan2$1(t0.y01, t0.x01), atan2$1(t0.y11, t0.x11), !cw); + context.arc(0, 0, r0, atan2$1(t0.cy + t0.y11, t0.cx + t0.x11), atan2$1(t1.cy + t1.y11, t1.cx + t1.x11), cw); + context.arc(t1.cx, t1.cy, rc0, atan2$1(t1.y11, t1.x11), atan2$1(t1.y01, t1.x01), !cw); + } + } + + // Or is the inner ring just a circular arc? + else context.arc(0, 0, r0, a10, a00, cw); + } -function cartesianDot(a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; -} + context.closePath(); -function cartesianCross(a, b) { - return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]]; -} + if (buffer) return context = null, buffer + "" || null; + } -// TODO return a -function cartesianAddInPlace(a, b) { - a[0] += b[0], a[1] += b[1], a[2] += b[2]; -} + arc.centroid = function() { + var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, + a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi$4 / 2; + return [cos$2(a) * r, sin$2(a) * r]; + }; -function cartesianScale(vector, k) { - return [vector[0] * k, vector[1] * k, vector[2] * k]; -} + arc.innerRadius = function(_) { + return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$10(+_), arc) : innerRadius; + }; -// TODO return d -function cartesianNormalizeInPlace(d) { - var l = sqrt$1(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); - d[0] /= l, d[1] /= l, d[2] /= l; -} + arc.outerRadius = function(_) { + return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$10(+_), arc) : outerRadius; + }; -var lambda0$1; -var phi0; -var lambda1; -var phi1; -var lambda2; -var lambda00$1; -var phi00$1; -var p0; -var deltaSum = adder(); -var ranges; -var range$1; + arc.cornerRadius = function(_) { + return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$10(+_), arc) : cornerRadius; + }; -var boundsStream = { - point: boundsPoint, - lineStart: boundsLineStart, - lineEnd: boundsLineEnd, - polygonStart: function() { - boundsStream.point = boundsRingPoint; - boundsStream.lineStart = boundsRingStart; - boundsStream.lineEnd = boundsRingEnd; - deltaSum.reset(); - areaStream.polygonStart(); - }, - polygonEnd: function() { - areaStream.polygonEnd(); - boundsStream.point = boundsPoint; - boundsStream.lineStart = boundsLineStart; - boundsStream.lineEnd = boundsLineEnd; - if (areaRingSum < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); - else if (deltaSum > epsilon$4) phi1 = 90; - else if (deltaSum < -epsilon$4) phi0 = -90; - range$1[0] = lambda0$1, range$1[1] = lambda1; - } -}; + arc.padRadius = function(_) { + return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$10(+_), arc) : padRadius; + }; -function boundsPoint(lambda, phi) { - ranges.push(range$1 = [lambda0$1 = lambda, lambda1 = lambda]); - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; -} + arc.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$10(+_), arc) : startAngle; + }; -function linePoint(lambda, phi) { - var p = cartesian([lambda * radians, phi * radians]); - if (p0) { - var normal = cartesianCross(p0, p), - equatorial = [normal[1], -normal[0], 0], - inflection = cartesianCross(equatorial, normal); - cartesianNormalizeInPlace(inflection); - inflection = spherical(inflection); - var delta = lambda - lambda2, - sign$$1 = delta > 0 ? 1 : -1, - lambdai = inflection[0] * degrees$1 * sign$$1, - phii, - antimeridian = abs(delta) > 180; - if (antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) { - phii = inflection[1] * degrees$1; - if (phii > phi1) phi1 = phii; - } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) { - phii = -inflection[1] * degrees$1; - if (phii < phi0) phi0 = phii; - } else { - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; - } - if (antimeridian) { - if (lambda < lambda2) { - if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; - } else { - if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; - } - } else { - if (lambda1 >= lambda0$1) { - if (lambda < lambda0$1) lambda0$1 = lambda; - if (lambda > lambda1) lambda1 = lambda; - } else { - if (lambda > lambda2) { - if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; - } else { - if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; - } - } - } - } else { - boundsPoint(lambda, phi); - } - p0 = p, lambda2 = lambda; -} + arc.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$10(+_), arc) : endAngle; + }; -function boundsLineStart() { - boundsStream.point = linePoint; -} + arc.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$10(+_), arc) : padAngle; + }; -function boundsLineEnd() { - range$1[0] = lambda0$1, range$1[1] = lambda1; - boundsStream.point = boundsPoint; - p0 = null; -} + arc.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), arc) : context; + }; -function boundsRingPoint(lambda, phi) { - if (p0) { - var delta = lambda - lambda2; - deltaSum.add(abs(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta); - } else { - lambda00$1 = lambda, phi00$1 = phi; - } - areaStream.point(lambda, phi); - linePoint(lambda, phi); -} + return arc; +}; -function boundsRingStart() { - areaStream.lineStart(); +function Linear(context) { + this._context = context; } -function boundsRingEnd() { - boundsRingPoint(lambda00$1, phi00$1); - areaStream.lineEnd(); - if (abs(deltaSum) > epsilon$4) lambda0$1 = -(lambda1 = 180); - range$1[0] = lambda0$1, range$1[1] = lambda1; - p0 = null; -} +Linear.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; // proceed + default: this._context.lineTo(x, y); break; + } + } +}; -// Finds the left-right distance between two longitudes. -// This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want -// the distance between ±180° to be 360°. -function angle(lambda0, lambda1) { - return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1; -} +var curveLinear = function(context) { + return new Linear(context); +}; -function rangeCompare(a, b) { - return a[0] - b[0]; +function x$3(p) { + return p[0]; } -function rangeContains(range, x) { - return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; +function y$3(p) { + return p[1]; } -var bounds = function(feature) { - var i, n, a, b, merged, deltaMax, delta; +var line = function() { + var x$$1 = x$3, + y$$1 = y$3, + defined = constant$10(true), + context = null, + curve = curveLinear, + output = null; - phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); - ranges = []; - geoStream(feature, boundsStream); + function line(data) { + var i, + n = data.length, + d, + defined0 = false, + buffer; - // First, sort ranges by their minimum longitudes. - if (n = ranges.length) { - ranges.sort(rangeCompare); + if (context == null) output = curve(buffer = path()); - // Then, merge any ranges that overlap. - for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) { - b = ranges[i]; - if (rangeContains(a, b[0]) || rangeContains(a, b[1])) { - if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; - if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; - } else { - merged.push(a = b); + for (i = 0; i <= n; ++i) { + if (!(i < n && defined(d = data[i], i, data)) === defined0) { + if (defined0 = !defined0) output.lineStart(); + else output.lineEnd(); } + if (defined0) output.point(+x$$1(d, i, data), +y$$1(d, i, data)); } - // Finally, find the largest gap between the merged ranges. - // The final bounding box will be the inverse of this gap. - for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) { - b = merged[i]; - if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1]; - } + if (buffer) return output = null, buffer + "" || null; } - ranges = range$1 = null; + line.x = function(_) { + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : x$$1; + }; - return lambda0$1 === Infinity || phi0 === Infinity - ? [[NaN, NaN], [NaN, NaN]] - : [[lambda0$1, phi0], [lambda1, phi1]]; -}; + line.y = function(_) { + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : y$$1; + }; -var W0; -var W1; -var X0; -var Y0; -var Z0; -var X1; -var Y1; -var Z1; -var X2; -var Y2; -var Z2; -var lambda00$2; -var phi00$2; -var x0; -var y0; -var z0; // previous point + line.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$10(!!_), line) : defined; + }; + + line.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; + }; + + line.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; + }; -var centroidStream = { - sphere: noop$2, - point: centroidPoint, - lineStart: centroidLineStart, - lineEnd: centroidLineEnd, - polygonStart: function() { - centroidStream.lineStart = centroidRingStart; - centroidStream.lineEnd = centroidRingEnd; - }, - polygonEnd: function() { - centroidStream.lineStart = centroidLineStart; - centroidStream.lineEnd = centroidLineEnd; - } + return line; }; -// Arithmetic mean of Cartesian vectors. -function centroidPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi); - centroidPointCartesian(cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)); -} +var area$2 = function() { + var x0 = x$3, + x1 = null, + y0 = constant$10(0), + y1 = y$3, + defined = constant$10(true), + context = null, + curve = curveLinear, + output = null; -function centroidPointCartesian(x, y, z) { - ++W0; - X0 += (x - X0) / W0; - Y0 += (y - Y0) / W0; - Z0 += (z - Z0) / W0; -} + function area(data) { + var i, + j, + k, + n = data.length, + d, + defined0 = false, + buffer, + x0z = new Array(n), + y0z = new Array(n); -function centroidLineStart() { - centroidStream.point = centroidLinePointFirst; -} + if (context == null) output = curve(buffer = path()); -function centroidLinePointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi); - x0 = cosPhi * cos$1(lambda); - y0 = cosPhi * sin$1(lambda); - z0 = sin$1(phi); - centroidStream.point = centroidLinePoint; - centroidPointCartesian(x0, y0, z0); -} + for (i = 0; i <= n; ++i) { + if (!(i < n && defined(d = data[i], i, data)) === defined0) { + if (defined0 = !defined0) { + j = i; + output.areaStart(); + output.lineStart(); + } else { + output.lineEnd(); + output.lineStart(); + for (k = i - 1; k >= j; --k) { + output.point(x0z[k], y0z[k]); + } + output.lineEnd(); + output.areaEnd(); + } + } + if (defined0) { + x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data); + output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]); + } + } -function centroidLinePoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi), - x = cosPhi * cos$1(lambda), - y = cosPhi * sin$1(lambda), - z = sin$1(phi), - w = atan2(sqrt$1((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); - W1 += w; - X1 += w * (x0 + (x0 = x)); - Y1 += w * (y0 + (y0 = y)); - Z1 += w * (z0 + (z0 = z)); - centroidPointCartesian(x0, y0, z0); -} + if (buffer) return output = null, buffer + "" || null; + } -function centroidLineEnd() { - centroidStream.point = centroidPoint; -} + function arealine() { + return line().defined(defined).curve(curve).context(context); + } -// See J. E. Brock, The Inertia Tensor for a Spherical Triangle, -// J. Applied Mechanics 42, 239 (1975). -function centroidRingStart() { - centroidStream.point = centroidRingPointFirst; -} + area.x = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$10(+_), x1 = null, area) : x0; + }; -function centroidRingEnd() { - centroidRingPoint(lambda00$2, phi00$2); - centroidStream.point = centroidPoint; -} + area.x0 = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$10(+_), area) : x0; + }; -function centroidRingPointFirst(lambda, phi) { - lambda00$2 = lambda, phi00$2 = phi; - lambda *= radians, phi *= radians; - centroidStream.point = centroidRingPoint; - var cosPhi = cos$1(phi); - x0 = cosPhi * cos$1(lambda); - y0 = cosPhi * sin$1(lambda); - z0 = sin$1(phi); - centroidPointCartesian(x0, y0, z0); -} + area.x1 = function(_) { + return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$10(+_), area) : x1; + }; -function centroidRingPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi), - x = cosPhi * cos$1(lambda), - y = cosPhi * sin$1(lambda), - z = sin$1(phi), - cx = y0 * z - z0 * y, - cy = z0 * x - x0 * z, - cz = x0 * y - y0 * x, - m = sqrt$1(cx * cx + cy * cy + cz * cz), - u = x0 * x + y0 * y + z0 * z, - v = m && -acos(u) / m, // area weight - w = atan2(m, u); // line weight - X2 += v * cx; - Y2 += v * cy; - Z2 += v * cz; - W1 += w; - X1 += w * (x0 + (x0 = x)); - Y1 += w * (y0 + (y0 = y)); - Z1 += w * (z0 + (z0 = z)); - centroidPointCartesian(x0, y0, z0); -} + area.y = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$10(+_), y1 = null, area) : y0; + }; -var centroid$1 = function(object) { - W0 = W1 = - X0 = Y0 = Z0 = - X1 = Y1 = Z1 = - X2 = Y2 = Z2 = 0; - geoStream(object, centroidStream); + area.y0 = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$10(+_), area) : y0; + }; - var x = X2, - y = Y2, - z = Z2, - m = x * x + y * y + z * z; + area.y1 = function(_) { + return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$10(+_), area) : y1; + }; - // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid. - if (m < epsilon2$2) { - x = X1, y = Y1, z = Z1; - // If the feature has zero length, fall back to arithmetic mean of point vectors. - if (W1 < epsilon$4) x = X0, y = Y0, z = Z0; - m = x * x + y * y + z * z; - // If the feature still has an undefined ccentroid, then return. - if (m < epsilon2$2) return [NaN, NaN]; - } + area.lineX0 = + area.lineY0 = function() { + return arealine().x(x0).y(y0); + }; - return [atan2(y, x) * degrees$1, asin$1(z / sqrt$1(m)) * degrees$1]; -}; + area.lineY1 = function() { + return arealine().x(x0).y(y1); + }; -var constant$13 = function(x) { - return function() { - return x; + area.lineX1 = function() { + return arealine().x(x1).y(y0); }; -}; -var compose = function(a, b) { + area.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$10(!!_), area) : defined; + }; - function compose(x, y) { - return x = a(x, y), b(x[0], x[1]); - } + area.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; + }; - if (a.invert && b.invert) compose.invert = function(x, y) { - return x = b.invert(x, y), x && a.invert(x[0], x[1]); + area.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; }; - return compose; + return area; }; -function rotationIdentity(lambda, phi) { - return [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi]; -} +var descending$1 = function(a, b) { + return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; +}; -rotationIdentity.invert = rotationIdentity; +var identity$7 = function(d) { + return d; +}; -function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { - return (deltaLambda %= tau$4) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) - : rotationLambda(deltaLambda)) - : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) - : rotationIdentity); -} +var pie = function() { + var value = identity$7, + sortValues = descending$1, + sort = null, + startAngle = constant$10(0), + endAngle = constant$10(tau$4), + padAngle = constant$10(0); -function forwardRotationLambda(deltaLambda) { - return function(lambda, phi) { - return lambda += deltaLambda, [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi]; - }; -} + function pie(data) { + var i, + n = data.length, + j, + k, + sum = 0, + index = new Array(n), + arcs = new Array(n), + a0 = +startAngle.apply(this, arguments), + da = Math.min(tau$4, Math.max(-tau$4, endAngle.apply(this, arguments) - a0)), + a1, + p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)), + pa = p * (da < 0 ? -1 : 1), + v; -function rotationLambda(deltaLambda) { - var rotation = forwardRotationLambda(deltaLambda); - rotation.invert = forwardRotationLambda(-deltaLambda); - return rotation; -} + for (i = 0; i < n; ++i) { + if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) { + sum += v; + } + } -function rotationPhiGamma(deltaPhi, deltaGamma) { - var cosDeltaPhi = cos$1(deltaPhi), - sinDeltaPhi = sin$1(deltaPhi), - cosDeltaGamma = cos$1(deltaGamma), - sinDeltaGamma = sin$1(deltaGamma); + // Optionally sort the arcs by previously-computed values or by data. + if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); }); + else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); }); - function rotation(lambda, phi) { - var cosPhi = cos$1(phi), - x = cos$1(lambda) * cosPhi, - y = sin$1(lambda) * cosPhi, - z = sin$1(phi), - k = z * cosDeltaPhi + x * sinDeltaPhi; - return [ - atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi), - asin$1(k * cosDeltaGamma + y * sinDeltaGamma) - ]; + // Compute the arcs! They are stored in the original data's order. + for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) { + j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = { + data: data[j], + index: i, + value: v, + startAngle: a0, + endAngle: a1, + padAngle: p + }; + } + + return arcs; } - rotation.invert = function(lambda, phi) { - var cosPhi = cos$1(phi), - x = cos$1(lambda) * cosPhi, - y = sin$1(lambda) * cosPhi, - z = sin$1(phi), - k = z * cosDeltaGamma - y * sinDeltaGamma; - return [ - atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi), - asin$1(k * cosDeltaPhi - x * sinDeltaPhi) - ]; + pie.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant$10(+_), pie) : value; }; - return rotation; -} + pie.sortValues = function(_) { + return arguments.length ? (sortValues = _, sort = null, pie) : sortValues; + }; -var rotation = function(rotate) { - rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); + pie.sort = function(_) { + return arguments.length ? (sort = _, sortValues = null, pie) : sort; + }; - function forward(coordinates) { - coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians); - return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; - } + pie.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$10(+_), pie) : startAngle; + }; - forward.invert = function(coordinates) { - coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians); - return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; + pie.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$10(+_), pie) : endAngle; }; - return forward; + pie.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$10(+_), pie) : padAngle; + }; + + return pie; }; -// Generates a circle centered at [0°, 0°], with a given radius and precision. -function circleStream(stream, radius, delta, direction, t0, t1) { - if (!delta) return; - var cosRadius = cos$1(radius), - sinRadius = sin$1(radius), - step = direction * delta; - if (t0 == null) { - t0 = radius + direction * tau$4; - t1 = radius - step / 2; - } else { - t0 = circleRadius(cosRadius, t0); - t1 = circleRadius(cosRadius, t1); - if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$4; - } - for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) { - point = spherical([cosRadius, -sinRadius * cos$1(t), -sinRadius * sin$1(t)]); - stream.point(point[0], point[1]); - } -} +var curveRadialLinear = curveRadial(curveLinear); -// Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0]. -function circleRadius(cosRadius, point) { - point = cartesian(point), point[0] -= cosRadius; - cartesianNormalizeInPlace(point); - var radius = acos(-point[1]); - return ((-point[2] < 0 ? -radius : radius) + tau$4 - epsilon$4) % tau$4; +function Radial(curve) { + this._curve = curve; } -var circle$1 = function() { - var center = constant$13([0, 0]), - radius = constant$13(90), - precision = constant$13(6), - ring, - rotate, - stream = {point: point}; - - function point(x, y) { - ring.push(x = rotate(x, y)); - x[0] *= degrees$1, x[1] *= degrees$1; +Radial.prototype = { + areaStart: function() { + this._curve.areaStart(); + }, + areaEnd: function() { + this._curve.areaEnd(); + }, + lineStart: function() { + this._curve.lineStart(); + }, + lineEnd: function() { + this._curve.lineEnd(); + }, + point: function(a, r) { + this._curve.point(r * Math.sin(a), r * -Math.cos(a)); } +}; - function circle() { - var c = center.apply(this, arguments), - r = radius.apply(this, arguments) * radians, - p = precision.apply(this, arguments) * radians; - ring = []; - rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert; - circleStream(stream, r, p, 1); - c = {type: "Polygon", coordinates: [ring]}; - ring = rotate = null; - return c; +function curveRadial(curve) { + + function radial(context) { + return new Radial(curve(context)); } - circle.center = function(_) { - return arguments.length ? (center = typeof _ === "function" ? _ : constant$13([+_[0], +_[1]]), circle) : center; - }; + radial._curve = curve; - circle.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$13(+_), circle) : radius; - }; + return radial; +} - circle.precision = function(_) { - return arguments.length ? (precision = typeof _ === "function" ? _ : constant$13(+_), circle) : precision; +function radialLine(l) { + var c = l.curve; + + l.angle = l.x, delete l.x; + l.radius = l.y, delete l.y; + + l.curve = function(_) { + return arguments.length ? c(curveRadial(_)) : c()._curve; }; - return circle; + return l; +} + +var radialLine$1 = function() { + return radialLine(line().curve(curveRadialLinear)); }; -var clipBuffer = function() { - var lines = [], - line; - return { - point: function(x, y) { - line.push([x, y]); - }, - lineStart: function() { - lines.push(line = []); - }, - lineEnd: noop$2, - rejoin: function() { - if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); - }, - result: function() { - var result = lines; - lines = []; - line = null; - return result; - } +var radialArea = function() { + var a = area$2().curve(curveRadialLinear), + c = a.curve, + x0 = a.lineX0, + x1 = a.lineX1, + y0 = a.lineY0, + y1 = a.lineY1; + + a.angle = a.x, delete a.x; + a.startAngle = a.x0, delete a.x0; + a.endAngle = a.x1, delete a.x1; + a.radius = a.y, delete a.y; + a.innerRadius = a.y0, delete a.y0; + a.outerRadius = a.y1, delete a.y1; + a.lineStartAngle = function() { return radialLine(x0()); }, delete a.lineX0; + a.lineEndAngle = function() { return radialLine(x1()); }, delete a.lineX1; + a.lineInnerRadius = function() { return radialLine(y0()); }, delete a.lineY0; + a.lineOuterRadius = function() { return radialLine(y1()); }, delete a.lineY1; + + a.curve = function(_) { + return arguments.length ? c(curveRadial(_)) : c()._curve; }; -}; -var clipLine = function(a, b, x0, y0, x1, y1) { - var ax = a[0], - ay = a[1], - bx = b[0], - by = b[1], - t0 = 0, - t1 = 1, - dx = bx - ax, - dy = by - ay, - r; + return a; +}; - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; +var circle$2 = { + draw: function(context, size) { + var r = Math.sqrt(size / pi$4); + context.moveTo(r, 0); + context.arc(0, 0, r, 0, tau$4); } +}; - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; +var cross$2 = { + draw: function(context, size) { + var r = Math.sqrt(size / 5) / 2; + context.moveTo(-3 * r, -r); + context.lineTo(-r, -r); + context.lineTo(-r, -3 * r); + context.lineTo(r, -3 * r); + context.lineTo(r, -r); + context.lineTo(3 * r, -r); + context.lineTo(3 * r, r); + context.lineTo(r, r); + context.lineTo(r, 3 * r); + context.lineTo(-r, 3 * r); + context.lineTo(-r, r); + context.lineTo(-3 * r, r); + context.closePath(); } +}; - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; +var tan30 = Math.sqrt(1 / 3); +var tan30_2 = tan30 * 2; + +var diamond = { + draw: function(context, size) { + var y = Math.sqrt(size / tan30_2), + x = y * tan30; + context.moveTo(0, -y); + context.lineTo(x, 0); + context.lineTo(0, y); + context.lineTo(-x, 0); + context.closePath(); } +}; - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; +var ka = 0.89081309152928522810; +var kr = Math.sin(pi$4 / 10) / Math.sin(7 * pi$4 / 10); +var kx = Math.sin(tau$4 / 10) * kr; +var ky = -Math.cos(tau$4 / 10) * kr; + +var star = { + draw: function(context, size) { + var r = Math.sqrt(size * ka), + x = kx * r, + y = ky * r; + context.moveTo(0, -r); + context.lineTo(x, y); + for (var i = 1; i < 5; ++i) { + var a = tau$4 * i / 5, + c = Math.cos(a), + s = Math.sin(a); + context.lineTo(s * r, -c * r); + context.lineTo(c * x - s * y, s * x + c * y); + } + context.closePath(); } - - if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; - if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; - return true; }; -var pointEqual = function(a, b) { - return abs(a[0] - b[0]) < epsilon$4 && abs(a[1] - b[1]) < epsilon$4; +var square = { + draw: function(context, size) { + var w = Math.sqrt(size), + x = -w / 2; + context.rect(x, x, w, w); + } }; -function Intersection(point, points, other, entry) { - this.x = point; - this.z = points; - this.o = other; // another intersection - this.e = entry; // is an entry? - this.v = false; // visited - this.n = this.p = null; // next & previous -} - -// A generalized polygon clipping algorithm: given a polygon that has been cut -// into its visible line segments, and rejoins the segments by interpolating -// along the clip edge. -var clipPolygon = function(segments, compareIntersection, startInside, interpolate, stream) { - var subject = [], - clip = [], - i, - n; +var sqrt3 = Math.sqrt(3); - segments.forEach(function(segment) { - if ((n = segment.length - 1) <= 0) return; - var n, p0 = segment[0], p1 = segment[n], x; +var triangle = { + draw: function(context, size) { + var y = -Math.sqrt(size / (sqrt3 * 3)); + context.moveTo(0, y * 2); + context.lineTo(-sqrt3 * y, -y); + context.lineTo(sqrt3 * y, -y); + context.closePath(); + } +}; - // If the first and last points of a segment are coincident, then treat as a - // closed ring. TODO if all rings are closed, then the winding order of the - // exterior ring should be checked. - if (pointEqual(p0, p1)) { - stream.lineStart(); - for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]); - stream.lineEnd(); - return; - } +var c = -0.5; +var s = Math.sqrt(3) / 2; +var k = 1 / Math.sqrt(12); +var a = (k / 2 + 1) * 3; - subject.push(x = new Intersection(p0, segment, null, true)); - clip.push(x.o = new Intersection(p0, null, x, false)); - subject.push(x = new Intersection(p1, segment, null, false)); - clip.push(x.o = new Intersection(p1, null, x, true)); - }); +var wye = { + draw: function(context, size) { + var r = Math.sqrt(size / a), + x0 = r / 2, + y0 = r * k, + x1 = x0, + y1 = r * k + r, + x2 = -x1, + y2 = y1; + context.moveTo(x0, y0); + context.lineTo(x1, y1); + context.lineTo(x2, y2); + context.lineTo(c * x0 - s * y0, s * x0 + c * y0); + context.lineTo(c * x1 - s * y1, s * x1 + c * y1); + context.lineTo(c * x2 - s * y2, s * x2 + c * y2); + context.lineTo(c * x0 + s * y0, c * y0 - s * x0); + context.lineTo(c * x1 + s * y1, c * y1 - s * x1); + context.lineTo(c * x2 + s * y2, c * y2 - s * x2); + context.closePath(); + } +}; - if (!subject.length) return; +var symbols = [ + circle$2, + cross$2, + diamond, + square, + star, + triangle, + wye +]; - clip.sort(compareIntersection); - link$1(subject); - link$1(clip); +var symbol = function() { + var type = constant$10(circle$2), + size = constant$10(64), + context = null; - for (i = 0, n = clip.length; i < n; ++i) { - clip[i].e = startInside = !startInside; + function symbol() { + var buffer; + if (!context) context = buffer = path(); + type.apply(this, arguments).draw(context, +size.apply(this, arguments)); + if (buffer) return context = null, buffer + "" || null; } - var start = subject[0], - points, - point; + symbol.type = function(_) { + return arguments.length ? (type = typeof _ === "function" ? _ : constant$10(_), symbol) : type; + }; - while (1) { - // Find first unvisited intersection. - var current = start, - isSubject = true; - while (current.v) if ((current = current.n) === start) return; - points = current.z; - stream.lineStart(); - do { - current.v = current.o.v = true; - if (current.e) { - if (isSubject) { - for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.n.x, 1, stream); - } - current = current.n; - } else { - if (isSubject) { - points = current.p.z; - for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.p.x, -1, stream); - } - current = current.p; - } - current = current.o; - points = current.z; - isSubject = !isSubject; - } while (!current.v); - stream.lineEnd(); - } + symbol.size = function(_) { + return arguments.length ? (size = typeof _ === "function" ? _ : constant$10(+_), symbol) : size; + }; + + symbol.context = function(_) { + return arguments.length ? (context = _ == null ? null : _, symbol) : context; + }; + + return symbol; }; -function link$1(array) { - if (!(n = array.length)) return; - var n, - i = 0, - a = array[0], - b; - while (++i < n) { - a.n = b = array[i]; - b.p = a; - a = b; - } - a.n = b = array[0]; - b.p = a; +var noop$2 = function() {}; + +function point$2(that, x, y) { + that._context.bezierCurveTo( + (2 * that._x0 + that._x1) / 3, + (2 * that._y0 + that._y1) / 3, + (that._x0 + 2 * that._x1) / 3, + (that._y0 + 2 * that._y1) / 3, + (that._x0 + 4 * that._x1 + x) / 6, + (that._y0 + 4 * that._y1 + y) / 6 + ); } -var clipMax = 1e9; -var clipMin = -clipMax; +function Basis(context) { + this._context = context; +} -// TODO Use d3-polygon’s polygonContains here for the ring check? -// TODO Eliminate duplicate buffering in clipBuffer and polygon.push? +Basis.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 3: point$2(this, this._x1, this._y1); // proceed + case 2: this._context.lineTo(this._x1, this._y1); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed + default: point$2(this, x, y); break; + } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + } +}; -function clipExtent(x0, y0, x1, y1) { +var basis$2 = function(context) { + return new Basis(context); +}; - function visible(x, y) { - return x0 <= x && x <= x1 && y0 <= y && y <= y1; - } +function BasisClosed(context) { + this._context = context; +} - function interpolate(from, to, direction, stream) { - var a = 0, a1 = 0; - if (from == null - || (a = corner(from, direction)) !== (a1 = corner(to, direction)) - || comparePoint(from, to) < 0 ^ direction > 0) { - do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); - while ((a = (a + direction + 4) % 4) !== a1); - } else { - stream.point(to[0], to[1]); +BasisClosed.prototype = { + areaStart: noop$2, + areaEnd: noop$2, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x2, this._y2); + this._context.closePath(); + break; + } + case 2: { + this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3); + this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x2, this._y2); + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + break; + } + } + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._x2 = x, this._y2 = y; break; + case 1: this._point = 2; this._x3 = x, this._y3 = y; break; + case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break; + default: point$2(this, x, y); break; } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; } +}; - function corner(p, direction) { - return abs(p[0] - x0) < epsilon$4 ? direction > 0 ? 0 : 3 - : abs(p[0] - x1) < epsilon$4 ? direction > 0 ? 2 : 1 - : abs(p[1] - y0) < epsilon$4 ? direction > 0 ? 1 : 0 - : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon - } +var basisClosed$1 = function(context) { + return new BasisClosed(context); +}; - function compareIntersection(a, b) { - return comparePoint(a.x, b.x); - } +function BasisOpen(context) { + this._context = context; +} - function comparePoint(a, b) { - var ca = corner(a, 1), - cb = corner(b, 1); - return ca !== cb ? ca - cb - : ca === 0 ? b[1] - a[1] - : ca === 1 ? a[0] - b[0] - : ca === 2 ? a[1] - b[1] - : b[0] - a[0]; +BasisOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = NaN; + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; + case 3: this._point = 4; // proceed + default: point$2(this, x, y); break; + } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; } +}; - return function(stream) { - var activeStream = stream, - bufferStream = clipBuffer(), - segments, - polygon, - ring, - x__, y__, v__, // first point - x_, y_, v_, // previous point - first, - clean; +var basisOpen = function(context) { + return new BasisOpen(context); +}; - var clipStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: polygonStart, - polygonEnd: polygonEnd - }; +function Bundle(context, beta) { + this._basis = new Basis(context); + this._beta = beta; +} - function point(x, y) { - if (visible(x, y)) activeStream.point(x, y); - } +Bundle.prototype = { + lineStart: function() { + this._x = []; + this._y = []; + this._basis.lineStart(); + }, + lineEnd: function() { + var x = this._x, + y = this._y, + j = x.length - 1; - function polygonInside() { - var winding = 0; + if (j > 0) { + var x0 = x[0], + y0 = y[0], + dx = x[j] - x0, + dy = y[j] - y0, + i = -1, + t; - for (var i = 0, n = polygon.length; i < n; ++i) { - for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { - a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; - if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } - else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } - } + while (++i <= j) { + t = i / j; + this._basis.point( + this._beta * x[i] + (1 - this._beta) * (x0 + t * dx), + this._beta * y[i] + (1 - this._beta) * (y0 + t * dy) + ); } - - return winding; } - // Buffer geometry within a polygon and then clip it en masse. - function polygonStart() { - activeStream = bufferStream, segments = [], polygon = [], clean = true; - } + this._x = this._y = null; + this._basis.lineEnd(); + }, + point: function(x, y) { + this._x.push(+x); + this._y.push(+y); + } +}; - function polygonEnd() { - var startInside = polygonInside(), - cleanInside = clean && startInside, - visible = (segments = merge(segments)).length; - if (cleanInside || visible) { - stream.polygonStart(); - if (cleanInside) { - stream.lineStart(); - interpolate(null, null, 1, stream); - stream.lineEnd(); - } - if (visible) { - clipPolygon(segments, compareIntersection, startInside, interpolate, stream); - } - stream.polygonEnd(); - } - activeStream = stream, segments = polygon = ring = null; - } +var bundle = ((function custom(beta) { - function lineStart() { - clipStream.point = linePoint; - if (polygon) polygon.push(ring = []); - first = true; - v_ = false; - x_ = y_ = NaN; - } + function bundle(context) { + return beta === 1 ? new Basis(context) : new Bundle(context, beta); + } - // TODO rather than special-case polygons, simply handle them separately. - // Ideally, coincident intersection points should be jittered to avoid - // clipping issues. - function lineEnd() { - if (segments) { - linePoint(x__, y__); - if (v__ && v_) bufferStream.rejoin(); - segments.push(bufferStream.result()); - } - clipStream.point = point; - if (v_) activeStream.lineEnd(); - } + bundle.beta = function(beta) { + return custom(+beta); + }; - function linePoint(x, y) { - var v = visible(x, y); - if (polygon) ring.push([x, y]); - if (first) { - x__ = x, y__ = y, v__ = v; - first = false; - if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - } - } else { - if (v && v_) activeStream.point(x, y); - else { - var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], - b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; - if (clipLine(a, b, x0, y0, x1, y1)) { - if (!v_) { - activeStream.lineStart(); - activeStream.point(a[0], a[1]); - } - activeStream.point(b[0], b[1]); - if (!v) activeStream.lineEnd(); - clean = false; - } else if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - clean = false; - } - } - } - x_ = x, y_ = y, v_ = v; - } + return bundle; +}))(0.85); - return clipStream; - }; +function point$3(that, x, y) { + that._context.bezierCurveTo( + that._x1 + that._k * (that._x2 - that._x0), + that._y1 + that._k * (that._y2 - that._y0), + that._x2 + that._k * (that._x1 - x), + that._y2 + that._k * (that._y1 - y), + that._x2, + that._y2 + ); } -var extent$1 = function() { - var x0 = 0, - y0 = 0, - x1 = 960, - y1 = 500, - cache, - cacheStream, - clip; +function Cardinal(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; +} - return clip = { - stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = clipExtent(x0, y0, x1, y1)(cacheStream = stream); - }, - extent: function(_) { - return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; +Cardinal.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x2, this._y2); break; + case 3: point$3(this, this._x1, this._y1); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; this._x1 = x, this._y1 = y; break; + case 2: this._point = 3; // proceed + default: point$3(this, x, y); break; } - }; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } }; -var lengthSum = adder(); -var lambda0$2; -var sinPhi0$1; -var cosPhi0$1; - -var lengthStream = { - sphere: noop$2, - point: noop$2, - lineStart: lengthLineStart, - lineEnd: noop$2, - polygonStart: noop$2, - polygonEnd: noop$2 -}; +var cardinal = ((function custom(tension) { -function lengthLineStart() { - lengthStream.point = lengthPointFirst; - lengthStream.lineEnd = lengthLineEnd; -} + function cardinal(context) { + return new Cardinal(context, tension); + } -function lengthLineEnd() { - lengthStream.point = lengthStream.lineEnd = noop$2; -} + cardinal.tension = function(tension) { + return custom(+tension); + }; -function lengthPointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi); - lengthStream.point = lengthPoint; -} + return cardinal; +}))(0); -function lengthPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var sinPhi = sin$1(phi), - cosPhi = cos$1(phi), - delta = abs(lambda - lambda0$2), - cosDelta = cos$1(delta), - sinDelta = sin$1(delta), - x = cosPhi * sinDelta, - y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, - z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; - lengthSum.add(atan2(sqrt$1(x * x + y * y), z)); - lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; +function CardinalClosed(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; } -var length$2 = function(object) { - lengthSum.reset(); - geoStream(object, lengthStream); - return +lengthSum; +CardinalClosed.prototype = { + areaStart: noop$2, + areaEnd: noop$2, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 2: { + this._context.lineTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + this.point(this._x5, this._y5); + break; + } + } + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._x3 = x, this._y3 = y; break; + case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; + case 2: this._point = 3; this._x5 = x, this._y5 = y; break; + default: point$3(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } }; -var coordinates = [null, null]; -var object$1 = {type: "LineString", coordinates: coordinates}; +var cardinalClosed = ((function custom(tension) { -var distance = function(a, b) { - coordinates[0] = a; - coordinates[1] = b; - return length$2(object$1); -}; + function cardinal(context) { + return new CardinalClosed(context, tension); + } -function graticuleX(y0, y1, dy) { - var y = range(y0, y1 - epsilon$4, dy).concat(y1); - return function(x) { return y.map(function(y) { return [x, y]; }); }; -} + cardinal.tension = function(tension) { + return custom(+tension); + }; -function graticuleY(x0, x1, dx) { - var x = range(x0, x1 - epsilon$4, dx).concat(x1); - return function(y) { return x.map(function(x) { return [x, y]; }); }; -} + return cardinal; +}))(0); -function graticule() { - var x1, x0, X1, X0, - y1, y0, Y1, Y0, - dx = 10, dy = dx, DX = 90, DY = 360, - x, y, X, Y, - precision = 2.5; +function CardinalOpen(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; +} - function graticule() { - return {type: "MultiLineString", coordinates: lines()}; +CardinalOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 3: this._point = 4; // proceed + default: point$3(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } +}; - function lines() { - return range(ceil(X0 / DX) * DX, X1, DX).map(X) - .concat(range(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) - .concat(range(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$4; }).map(x)) - .concat(range(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$4; }).map(y)); +var cardinalOpen = ((function custom(tension) { + + function cardinal(context) { + return new CardinalOpen(context, tension); } - graticule.lines = function() { - return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); + cardinal.tension = function(tension) { + return custom(+tension); }; - graticule.outline = function() { - return { - type: "Polygon", - coordinates: [ - X(X0).concat( - Y(Y1).slice(1), - X(X1).reverse().slice(1), - Y(Y0).reverse().slice(1)) - ] - }; - }; + return cardinal; +}))(0); - graticule.extent = function(_) { - if (!arguments.length) return graticule.extentMinor(); - return graticule.extentMajor(_).extentMinor(_); - }; +function point$4(that, x, y) { + var x1 = that._x1, + y1 = that._y1, + x2 = that._x2, + y2 = that._y2; - graticule.extentMajor = function(_) { - if (!arguments.length) return [[X0, Y0], [X1, Y1]]; - X0 = +_[0][0], X1 = +_[1][0]; - Y0 = +_[0][1], Y1 = +_[1][1]; - if (X0 > X1) _ = X0, X0 = X1, X1 = _; - if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; - return graticule.precision(precision); - }; + if (that._l01_a > epsilon$3) { + var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a, + n = 3 * that._l01_a * (that._l01_a + that._l12_a); + x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n; + y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n; + } - graticule.extentMinor = function(_) { - if (!arguments.length) return [[x0, y0], [x1, y1]]; - x0 = +_[0][0], x1 = +_[1][0]; - y0 = +_[0][1], y1 = +_[1][1]; - if (x0 > x1) _ = x0, x0 = x1, x1 = _; - if (y0 > y1) _ = y0, y0 = y1, y1 = _; - return graticule.precision(precision); - }; + if (that._l23_a > epsilon$3) { + var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a, + m = 3 * that._l23_a * (that._l23_a + that._l12_a); + x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m; + y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m; + } - graticule.step = function(_) { - if (!arguments.length) return graticule.stepMinor(); - return graticule.stepMajor(_).stepMinor(_); - }; + that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2); +} - graticule.stepMajor = function(_) { - if (!arguments.length) return [DX, DY]; - DX = +_[0], DY = +_[1]; - return graticule; - }; +function CatmullRom(context, alpha) { + this._context = context; + this._alpha = alpha; +} - graticule.stepMinor = function(_) { - if (!arguments.length) return [dx, dy]; - dx = +_[0], dy = +_[1]; - return graticule; - }; +CatmullRom.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x2, this._y2); break; + case 3: this.point(this._x2, this._y2); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } + + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; // proceed + default: point$4(this, x, y); break; + } + + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } +}; - graticule.precision = function(_) { - if (!arguments.length) return precision; - precision = +_; - x = graticuleX(y0, y1, 90); - y = graticuleY(x0, x1, precision); - X = graticuleX(Y0, Y1, 90); - Y = graticuleY(X0, X1, precision); - return graticule; +var catmullRom = ((function custom(alpha) { + + function catmullRom(context) { + return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); + } + + catmullRom.alpha = function(alpha) { + return custom(+alpha); }; - return graticule - .extentMajor([[-180, -90 + epsilon$4], [180, 90 - epsilon$4]]) - .extentMinor([[-180, -80 - epsilon$4], [180, 80 + epsilon$4]]); -} + return catmullRom; +}))(0.5); -function graticule10() { - return graticule()(); +function CatmullRomClosed(context, alpha) { + this._context = context; + this._alpha = alpha; } -var interpolate$2 = function(a, b) { - var x0 = a[0] * radians, - y0 = a[1] * radians, - x1 = b[0] * radians, - y1 = b[1] * radians, - cy0 = cos$1(y0), - sy0 = sin$1(y0), - cy1 = cos$1(y1), - sy1 = sin$1(y1), - kx0 = cy0 * cos$1(x0), - ky0 = cy0 * sin$1(x0), - kx1 = cy1 * cos$1(x1), - ky1 = cy1 * sin$1(x1), - d = 2 * asin$1(sqrt$1(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), - k = sin$1(d); - - var interpolate = d ? function(t) { - var B = sin$1(t *= d) / k, - A = sin$1(d - t) / k, - x = A * kx0 + B * kx1, - y = A * ky0 + B * ky1, - z = A * sy0 + B * sy1; - return [ - atan2(y, x) * degrees$1, - atan2(z, sqrt$1(x * x + y * y)) * degrees$1 - ]; - } : function() { - return [x0 * degrees$1, y0 * degrees$1]; - }; +CatmullRomClosed.prototype = { + areaStart: noop$2, + areaEnd: noop$2, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 2: { + this._context.lineTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + this.point(this._x5, this._y5); + break; + } + } + }, + point: function(x, y) { + x = +x, y = +y; - interpolate.distance = d; + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } - return interpolate; -}; + switch (this._point) { + case 0: this._point = 1; this._x3 = x, this._y3 = y; break; + case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; + case 2: this._point = 3; this._x5 = x, this._y5 = y; break; + default: point$4(this, x, y); break; + } -var identity$7 = function(x) { - return x; + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } }; -var areaSum$1 = adder(); -var areaRingSum$1 = adder(); -var x00; -var y00; -var x0$1; -var y0$1; +var catmullRomClosed = ((function custom(alpha) { -var areaStream$1 = { - point: noop$2, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: function() { - areaStream$1.lineStart = areaRingStart$1; - areaStream$1.lineEnd = areaRingEnd$1; - }, - polygonEnd: function() { - areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$2; - areaSum$1.add(abs(areaRingSum$1)); - areaRingSum$1.reset(); - }, - result: function() { - var area = areaSum$1 / 2; - areaSum$1.reset(); - return area; + function catmullRom(context) { + return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); } -}; -function areaRingStart$1() { - areaStream$1.point = areaPointFirst$1; -} + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; -function areaPointFirst$1(x, y) { - areaStream$1.point = areaPoint$1; - x00 = x0$1 = x, y00 = y0$1 = y; -} + return catmullRom; +}))(0.5); -function areaPoint$1(x, y) { - areaRingSum$1.add(y0$1 * x - x0$1 * y); - x0$1 = x, y0$1 = y; +function CatmullRomOpen(context, alpha) { + this._context = context; + this._alpha = alpha; } -function areaRingEnd$1() { - areaPoint$1(x00, y00); -} +CatmullRomOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; -var x0$2 = Infinity; -var y0$2 = x0$2; -var x1 = -x0$2; -var y1 = x1; + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } -var boundsStream$1 = { - point: boundsPoint$1, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: noop$2, - polygonEnd: noop$2, - result: function() { - var bounds = [[x0$2, y0$2], [x1, y1]]; - x1 = y1 = -(y0$2 = x0$2 = Infinity); - return bounds; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 3: this._point = 4; // proceed + default: point$4(this, x, y); break; + } + + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } }; -function boundsPoint$1(x, y) { - if (x < x0$2) x0$2 = x; - if (x > x1) x1 = x; - if (y < y0$2) y0$2 = y; - if (y > y1) y1 = y; -} +var catmullRomOpen = ((function custom(alpha) { -// TODO Enforce positive area for exterior, negative area for interior? + function catmullRom(context) { + return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); + } -var X0$1 = 0; -var Y0$1 = 0; -var Z0$1 = 0; -var X1$1 = 0; -var Y1$1 = 0; -var Z1$1 = 0; -var X2$1 = 0; -var Y2$1 = 0; -var Z2$1 = 0; -var x00$1; -var y00$1; -var x0$3; -var y0$3; + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; -var centroidStream$1 = { - point: centroidPoint$1, - lineStart: centroidLineStart$1, - lineEnd: centroidLineEnd$1, - polygonStart: function() { - centroidStream$1.lineStart = centroidRingStart$1; - centroidStream$1.lineEnd = centroidRingEnd$1; + return catmullRom; +}))(0.5); + +function LinearClosed(context) { + this._context = context; +} + +LinearClosed.prototype = { + areaStart: noop$2, + areaEnd: noop$2, + lineStart: function() { + this._point = 0; }, - polygonEnd: function() { - centroidStream$1.point = centroidPoint$1; - centroidStream$1.lineStart = centroidLineStart$1; - centroidStream$1.lineEnd = centroidLineEnd$1; + lineEnd: function() { + if (this._point) this._context.closePath(); }, - result: function() { - var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] - : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] - : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] - : [NaN, NaN]; - X0$1 = Y0$1 = Z0$1 = - X1$1 = Y1$1 = Z1$1 = - X2$1 = Y2$1 = Z2$1 = 0; - return centroid; + point: function(x, y) { + x = +x, y = +y; + if (this._point) this._context.lineTo(x, y); + else this._point = 1, this._context.moveTo(x, y); } }; -function centroidPoint$1(x, y) { - X0$1 += x; - Y0$1 += y; - ++Z0$1; -} +var linearClosed = function(context) { + return new LinearClosed(context); +}; -function centroidLineStart$1() { - centroidStream$1.point = centroidPointFirstLine; +function sign$1(x) { + return x < 0 ? -1 : 1; } -function centroidPointFirstLine(x, y) { - centroidStream$1.point = centroidPointLine; - centroidPoint$1(x0$3 = x, y0$3 = y); +// Calculate the slopes of the tangents (Hermite-type interpolation) based on +// the following paper: Steffen, M. 1990. A Simple Method for Monotonic +// Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO. +// NOV(II), P. 443, 1990. +function slope3(that, x2, y2) { + var h0 = that._x1 - that._x0, + h1 = x2 - that._x1, + s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0), + s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0), + p = (s0 * h1 + s1 * h0) / (h0 + h1); + return (sign$1(s0) + sign$1(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0; } -function centroidPointLine(x, y) { - var dx = x - x0$3, dy = y - y0$3, z = sqrt$1(dx * dx + dy * dy); - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; - centroidPoint$1(x0$3 = x, y0$3 = y); +// Calculate a one-sided slope. +function slope2(that, t) { + var h = that._x1 - that._x0; + return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t; } -function centroidLineEnd$1() { - centroidStream$1.point = centroidPoint$1; +// According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations +// "you can express cubic Hermite interpolation in terms of cubic Bézier curves +// with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1". +function point$5(that, t0, t1) { + var x0 = that._x0, + y0 = that._y0, + x1 = that._x1, + y1 = that._y1, + dx = (x1 - x0) / 3; + that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1); } -function centroidRingStart$1() { - centroidStream$1.point = centroidPointFirstRing; +function MonotoneX(context) { + this._context = context; } -function centroidRingEnd$1() { - centroidPointRing(x00$1, y00$1); +MonotoneX.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = + this._t0 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x1, this._y1); break; + case 3: point$5(this, this._t0, slope2(this, this._t0)); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + var t1 = NaN; + + x = +x, y = +y; + if (x === this._x1 && y === this._y1) return; // Ignore coincident points. + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; point$5(this, slope2(this, t1 = slope3(this, x, y)), t1); break; + default: point$5(this, this._t0, t1 = slope3(this, x, y)); break; + } + + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + this._t0 = t1; + } +}; + +function MonotoneY(context) { + this._context = new ReflectContext(context); } -function centroidPointFirstRing(x, y) { - centroidStream$1.point = centroidPointRing; - centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); +(MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) { + MonotoneX.prototype.point.call(this, y, x); +}; + +function ReflectContext(context) { + this._context = context; } -function centroidPointRing(x, y) { - var dx = x - x0$3, - dy = y - y0$3, - z = sqrt$1(dx * dx + dy * dy); +ReflectContext.prototype = { + moveTo: function(x, y) { this._context.moveTo(y, x); }, + closePath: function() { this._context.closePath(); }, + lineTo: function(x, y) { this._context.lineTo(y, x); }, + bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); } +}; - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; +function monotoneX(context) { + return new MonotoneX(context); +} - z = y0$3 * x - x0$3 * y; - X2$1 += z * (x0$3 + x); - Y2$1 += z * (y0$3 + y); - Z2$1 += z * 3; - centroidPoint$1(x0$3 = x, y0$3 = y); +function monotoneY(context) { + return new MonotoneY(context); } -function PathContext(context) { +function Natural(context) { this._context = context; } -PathContext.prototype = { - _radius: 4.5, - pointRadius: function(_) { - return this._radius = _, this; - }, - polygonStart: function() { +Natural.prototype = { + areaStart: function() { this._line = 0; }, - polygonEnd: function() { + areaEnd: function() { this._line = NaN; }, lineStart: function() { - this._point = 0; + this._x = []; + this._y = []; }, lineEnd: function() { - if (this._line === 0) this._context.closePath(); - this._point = NaN; - }, - point: function(x, y) { - switch (this._point) { - case 0: { - this._context.moveTo(x, y); - this._point = 1; - break; - } - case 1: { - this._context.lineTo(x, y); - break; - } - default: { - this._context.moveTo(x + this._radius, y); - this._context.arc(x, y, this._radius, 0, tau$4); - break; + var x = this._x, + y = this._y, + n = x.length; + + if (n) { + this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]); + if (n === 2) { + this._context.lineTo(x[1], y[1]); + } else { + var px = controlPoints(x), + py = controlPoints(y); + for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) { + this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]); + } } } + + if (this._line || (this._line !== 0 && n === 1)) this._context.closePath(); + this._line = 1 - this._line; + this._x = this._y = null; }, - result: noop$2 + point: function(x, y) { + this._x.push(+x); + this._y.push(+y); + } }; -function PathString() { - this._string = []; +// See https://www.particleincell.com/2012/bezier-splines/ for derivation. +function controlPoints(x) { + var i, + n = x.length - 1, + m, + a = new Array(n), + b = new Array(n), + r = new Array(n); + a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1]; + for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1]; + a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n]; + for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1]; + a[n - 1] = r[n - 1] / b[n - 1]; + for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i]; + b[n - 1] = (x[n] + a[n - 1]) / 2; + for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1]; + return [a, b]; } -PathString.prototype = { - _circle: circle$2(4.5), - pointRadius: function(_) { - return this._circle = circle$2(_), this; - }, - polygonStart: function() { +var natural = function(context) { + return new Natural(context); +}; + +function Step(context, t) { + this._context = context; + this._t = t; +} + +Step.prototype = { + areaStart: function() { this._line = 0; }, - polygonEnd: function() { + areaEnd: function() { this._line = NaN; }, lineStart: function() { + this._x = this._y = NaN; this._point = 0; }, lineEnd: function() { - if (this._line === 0) this._string.push("Z"); - this._point = NaN; + if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y); + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line; }, point: function(x, y) { + x = +x, y = +y; switch (this._point) { - case 0: { - this._string.push("M", x, ",", y); - this._point = 1; - break; - } - case 1: { - this._string.push("L", x, ",", y); - break; - } + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; // proceed default: { - this._string.push("M", x, ",", y, this._circle); + if (this._t <= 0) { + this._context.lineTo(this._x, y); + this._context.lineTo(x, y); + } else { + var x1 = this._x * (1 - this._t) + x * this._t; + this._context.lineTo(x1, this._y); + this._context.lineTo(x1, y); + } break; } } - }, - result: function() { - if (this._string.length) { - var result = this._string.join(""); - this._string = []; - return result; + this._x = x, this._y = y; + } +}; + +var step = function(context) { + return new Step(context, 0.5); +}; + +function stepBefore(context) { + return new Step(context, 0); +} + +function stepAfter(context) { + return new Step(context, 1); +} + +var slice$5 = Array.prototype.slice; + +var none$1 = function(series, order) { + if (!((n = series.length) > 1)) return; + for (var i = 1, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { + s0 = s1, s1 = series[order[i]]; + for (var j = 0; j < m; ++j) { + s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; } } }; -function circle$2(radius) { - return "m0," + radius - + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius - + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius - + "z"; +var none$2 = function(series) { + var n = series.length, o = new Array(n); + while (--n >= 0) o[n] = n; + return o; +}; + +function stackValue(d, key) { + return d[key]; } -var index$3 = function(projection, context) { - var pointRadius = 4.5, - projectionStream, - contextStream; +var stack = function() { + var keys = constant$10([]), + order = none$2, + offset = none$1, + value = stackValue; - function path(object) { - if (object) { - if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); - geoStream(object, projectionStream(contextStream)); + function stack(data) { + var kz = keys.apply(this, arguments), + i, + m = data.length, + n = kz.length, + sz = new Array(n), + oz; + + for (i = 0; i < n; ++i) { + for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) { + si[j] = sij = [0, +value(data[j], ki, j, data)]; + sij.data = data[j]; + } + si.key = ki; } - return contextStream.result(); - } - path.area = function(object) { - geoStream(object, projectionStream(areaStream$1)); - return areaStream$1.result(); - }; + for (i = 0, oz = order(sz); i < n; ++i) { + sz[oz[i]].index = i; + } - path.bounds = function(object) { - geoStream(object, projectionStream(boundsStream$1)); - return boundsStream$1.result(); - }; + offset(sz, oz); + return sz; + } - path.centroid = function(object) { - geoStream(object, projectionStream(centroidStream$1)); - return centroidStream$1.result(); + stack.keys = function(_) { + return arguments.length ? (keys = typeof _ === "function" ? _ : constant$10(slice$5.call(_)), stack) : keys; }; - path.projection = function(_) { - return arguments.length ? (projectionStream = _ == null ? (projection = null, identity$7) : (projection = _).stream, path) : projection; + stack.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant$10(+_), stack) : value; }; - path.context = function(_) { - if (!arguments.length) return context; - contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); - if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); - return path; + stack.order = function(_) { + return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$10(slice$5.call(_)), stack) : order; }; - path.pointRadius = function(_) { - if (!arguments.length) return pointRadius; - pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); - return path; + stack.offset = function(_) { + return arguments.length ? (offset = _ == null ? none$1 : _, stack) : offset; }; - return path.projection(projection).context(context); + return stack; }; -var sum$2 = adder(); +var expand = function(series, order) { + if (!((n = series.length) > 0)) return; + for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { + for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; + if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; + } + none$1(series, order); +}; -var polygonContains = function(polygon, point) { - var lambda = point[0], - phi = point[1], - normal = [sin$1(lambda), -cos$1(lambda), 0], - angle = 0, - winding = 0; +var silhouette = function(series, order) { + if (!((n = series.length) > 0)) return; + for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { + for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; + s0[j][1] += s0[j][0] = -y / 2; + } + none$1(series, order); +}; - sum$2.reset(); +var wiggle = function(series, order) { + if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; + for (var y = 0, j = 1, s0, m, n; j < m; ++j) { + for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { + var si = series[order[i]], + sij0 = si[j][1] || 0, + sij1 = si[j - 1][1] || 0, + s3 = (sij0 - sij1) / 2; + for (var k = 0; k < i; ++k) { + var sk = series[order[k]], + skj0 = sk[j][1] || 0, + skj1 = sk[j - 1][1] || 0; + s3 += skj0 - skj1; + } + s1 += sij0, s2 += s3 * sij0; + } + s0[j - 1][1] += s0[j - 1][0] = y; + if (s1) y -= s2 / s1; + } + s0[j - 1][1] += s0[j - 1][0] = y; + none$1(series, order); +}; - for (var i = 0, n = polygon.length; i < n; ++i) { - if (!(m = (ring = polygon[i]).length)) continue; - var ring, - m, - point0 = ring[m - 1], - lambda0 = point0[0], - phi0 = point0[1] / 2 + quarterPi, - sinPhi0 = sin$1(phi0), - cosPhi0 = cos$1(phi0); +var ascending$2 = function(series) { + var sums = series.map(sum$2); + return none$2(series).sort(function(a, b) { return sums[a] - sums[b]; }); +}; - for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { - var point1 = ring[j], - lambda1 = point1[0], - phi1 = point1[1] / 2 + quarterPi, - sinPhi1 = sin$1(phi1), - cosPhi1 = cos$1(phi1), - delta = lambda1 - lambda0, - sign$$1 = delta >= 0 ? 1 : -1, - absDelta = sign$$1 * delta, - antimeridian = absDelta > pi$4, - k = sinPhi0 * sinPhi1; +function sum$2(series) { + var s = 0, i = -1, n = series.length, v; + while (++i < n) if (v = +series[i][1]) s += v; + return s; +} - sum$2.add(atan2(k * sign$$1 * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); - angle += antimeridian ? delta + sign$$1 * tau$4 : delta; +var descending$2 = function(series) { + return ascending$2(series).reverse(); +}; - // Are the longitudes either side of the point’s meridian (lambda), - // and are the latitudes smaller than the parallel (phi)? - if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) { - var arc = cartesianCross(cartesian(point0), cartesian(point1)); - cartesianNormalizeInPlace(arc); - var intersection = cartesianCross(normal, arc); - cartesianNormalizeInPlace(intersection); - var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin$1(intersection[2]); - if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) { - winding += antimeridian ^ delta >= 0 ? 1 : -1; - } - } +var insideOut = function(series) { + var n = series.length, + i, + j, + sums = series.map(sum$2), + order = none$2(series).sort(function(a, b) { return sums[b] - sums[a]; }), + top = 0, + bottom = 0, + tops = [], + bottoms = []; + + for (i = 0; i < n; ++i) { + j = order[i]; + if (top < bottom) { + top += sums[j]; + tops.push(j); + } else { + bottom += sums[j]; + bottoms.push(j); } } - // First, determine whether the South pole is inside or outside: - // - // It is inside if: - // * the polygon winds around it in a clockwise direction. - // * the polygon does not (cumulatively) wind around it, but has a negative - // (counter-clockwise) area. - // - // Second, count the (signed) number of times a segment crosses a lambda - // from the point to the South pole. If it is zero, then the point is the - // same side as the South pole. + return bottoms.reverse().concat(tops); +}; - return (angle < -epsilon$4 || angle < epsilon$4 && sum$2 < -epsilon$4) ^ (winding & 1); +var reverse = function(series) { + return none$2(series).reverse(); }; -var clip = function(pointVisible, clipLine, interpolate, start) { - return function(rotate, sink) { - var line = clipLine(sink), - rotatedStart = rotate.invert(start[0], start[1]), - ringBuffer = clipBuffer(), - ringSink = clipLine(ringBuffer), - polygonStarted = false, - polygon, - segments, - ring; +var constant$11 = function(x) { + return function() { + return x; + }; +}; - var clip = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - clip.point = pointRing; - clip.lineStart = ringStart; - clip.lineEnd = ringEnd; - segments = []; - polygon = []; - }, - polygonEnd: function() { - clip.point = point; - clip.lineStart = lineStart; - clip.lineEnd = lineEnd; - segments = merge(segments); - var startInside = polygonContains(polygon, rotatedStart); - if (segments.length) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - clipPolygon(segments, compareIntersection, startInside, interpolate, sink); - } else if (startInside) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - } - if (polygonStarted) sink.polygonEnd(), polygonStarted = false; - segments = polygon = null; - }, - sphere: function() { - sink.polygonStart(); - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - sink.polygonEnd(); - } - }; +function x$4(d) { + return d[0]; +} - function point(lambda, phi) { - var point = rotate(lambda, phi); - if (pointVisible(lambda = point[0], phi = point[1])) sink.point(lambda, phi); - } +function y$4(d) { + return d[1]; +} + +function RedBlackTree() { + this._ = null; // root node +} + +function RedBlackNode(node) { + node.U = // parent node + node.C = // color - true for red, false for black + node.L = // left node + node.R = // right node + node.P = // previous node + node.N = null; // next node +} + +RedBlackTree.prototype = { + constructor: RedBlackTree, - function pointLine(lambda, phi) { - var point = rotate(lambda, phi); - line.point(point[0], point[1]); - } + insert: function(after, node) { + var parent, grandpa, uncle; - function lineStart() { - clip.point = pointLine; - line.lineStart(); + if (after) { + node.P = after; + node.N = after.N; + if (after.N) after.N.P = node; + after.N = node; + if (after.R) { + after = after.R; + while (after.L) after = after.L; + after.L = node; + } else { + after.R = node; + } + parent = after; + } else if (this._) { + after = RedBlackFirst(this._); + node.P = null; + node.N = after; + after.P = after.L = node; + parent = after; + } else { + node.P = node.N = null; + this._ = node; + parent = null; } + node.L = node.R = null; + node.U = parent; + node.C = true; - function lineEnd() { - clip.point = point; - line.lineEnd(); + after = node; + while (parent && parent.C) { + grandpa = parent.U; + if (parent === grandpa.L) { + uncle = grandpa.R; + if (uncle && uncle.C) { + parent.C = uncle.C = false; + grandpa.C = true; + after = grandpa; + } else { + if (after === parent.R) { + RedBlackRotateLeft(this, parent); + after = parent; + parent = after.U; + } + parent.C = false; + grandpa.C = true; + RedBlackRotateRight(this, grandpa); + } + } else { + uncle = grandpa.L; + if (uncle && uncle.C) { + parent.C = uncle.C = false; + grandpa.C = true; + after = grandpa; + } else { + if (after === parent.L) { + RedBlackRotateRight(this, parent); + after = parent; + parent = after.U; + } + parent.C = false; + grandpa.C = true; + RedBlackRotateLeft(this, grandpa); + } + } + parent = after.U; } + this._.C = false; + }, - function pointRing(lambda, phi) { - ring.push([lambda, phi]); - var point = rotate(lambda, phi); - ringSink.point(point[0], point[1]); - } + remove: function(node) { + if (node.N) node.N.P = node.P; + if (node.P) node.P.N = node.N; + node.N = node.P = null; - function ringStart() { - ringSink.lineStart(); - ring = []; - } + var parent = node.U, + sibling, + left = node.L, + right = node.R, + next, + red; - function ringEnd() { - pointRing(ring[0][0], ring[0][1]); - ringSink.lineEnd(); + if (!left) next = right; + else if (!right) next = left; + else next = RedBlackFirst(right); - var clean = ringSink.clean(), - ringSegments = ringBuffer.result(), - i, n = ringSegments.length, m, - segment, - point; + if (parent) { + if (parent.L === node) parent.L = next; + else parent.R = next; + } else { + this._ = next; + } - ring.pop(); - polygon.push(ring); - ring = null; + if (left && right) { + red = next.C; + next.C = node.C; + next.L = left; + left.U = next; + if (next !== right) { + parent = next.U; + next.U = node.U; + node = next.R; + parent.L = node; + next.R = right; + right.U = next; + } else { + next.U = parent; + parent = next; + node = next.R; + } + } else { + red = node.C; + node = next; + } - if (!n) return; + if (node) node.U = parent; + if (red) return; + if (node && node.C) { node.C = false; return; } - // No intersections. - if (clean & 1) { - segment = ringSegments[0]; - if ((m = segment.length - 1) > 0) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); - sink.lineEnd(); + do { + if (node === this._) break; + if (node === parent.L) { + sibling = parent.R; + if (sibling.C) { + sibling.C = false; + parent.C = true; + RedBlackRotateLeft(this, parent); + sibling = parent.R; + } + if ((sibling.L && sibling.L.C) + || (sibling.R && sibling.R.C)) { + if (!sibling.R || !sibling.R.C) { + sibling.L.C = false; + sibling.C = true; + RedBlackRotateRight(this, sibling); + sibling = parent.R; + } + sibling.C = parent.C; + parent.C = sibling.R.C = false; + RedBlackRotateLeft(this, parent); + node = this._; + break; + } + } else { + sibling = parent.L; + if (sibling.C) { + sibling.C = false; + parent.C = true; + RedBlackRotateRight(this, parent); + sibling = parent.L; + } + if ((sibling.L && sibling.L.C) + || (sibling.R && sibling.R.C)) { + if (!sibling.L || !sibling.L.C) { + sibling.R.C = false; + sibling.C = true; + RedBlackRotateLeft(this, sibling); + sibling = parent.L; + } + sibling.C = parent.C; + parent.C = sibling.L.C = false; + RedBlackRotateRight(this, parent); + node = this._; + break; } - return; } + sibling.C = true; + node = parent; + parent = parent.U; + } while (!node.C); - // Rejoin connected segments. - // TODO reuse ringBuffer.rejoin()? - if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); + if (node) node.C = false; + } +}; - segments.push(ringSegments.filter(validSegment)); - } +function RedBlackRotateLeft(tree, node) { + var p = node, + q = node.R, + parent = p.U; - return clip; - }; -}; + if (parent) { + if (parent.L === p) parent.L = q; + else parent.R = q; + } else { + tree._ = q; + } -function validSegment(segment) { - return segment.length > 1; + q.U = parent; + p.U = q; + p.R = q.L; + if (p.R) p.R.U = p; + q.L = p; } -// Intersections are sorted along the clip edge. For both antimeridian cutting -// and circle clipping, the same comparison is used. -function compareIntersection(a, b) { - return ((a = a.x)[0] < 0 ? a[1] - halfPi$3 - epsilon$4 : halfPi$3 - a[1]) - - ((b = b.x)[0] < 0 ? b[1] - halfPi$3 - epsilon$4 : halfPi$3 - b[1]); -} +function RedBlackRotateRight(tree, node) { + var p = node, + q = node.L, + parent = p.U; -var clipAntimeridian = clip( - function() { return true; }, - clipAntimeridianLine, - clipAntimeridianInterpolate, - [-pi$4, -halfPi$3] -); + if (parent) { + if (parent.L === p) parent.L = q; + else parent.R = q; + } else { + tree._ = q; + } -// Takes a line and cuts into visible segments. Return values: 0 - there were -// intersections or the line was empty; 1 - no intersections; 2 - there were -// intersections, and the first and last segments should be rejoined. -function clipAntimeridianLine(stream) { - var lambda0 = NaN, - phi0 = NaN, - sign0 = NaN, - clean; // no intersections + q.U = parent; + p.U = q; + p.L = q.R; + if (p.L) p.L.U = p; + q.R = p; +} - return { - lineStart: function() { - stream.lineStart(); - clean = 1; - }, - point: function(lambda1, phi1) { - var sign1 = lambda1 > 0 ? pi$4 : -pi$4, - delta = abs(lambda1 - lambda0); - if (abs(delta - pi$4) < epsilon$4) { // line crosses a pole - stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$3 : -halfPi$3); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - stream.point(lambda1, phi0); - clean = 0; - } else if (sign0 !== sign1 && delta >= pi$4) { // line crosses antimeridian - if (abs(lambda0 - sign0) < epsilon$4) lambda0 -= sign0 * epsilon$4; // handle degeneracies - if (abs(lambda1 - sign1) < epsilon$4) lambda1 -= sign1 * epsilon$4; - phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - clean = 0; - } - stream.point(lambda0 = lambda1, phi0 = phi1); - sign0 = sign1; - }, - lineEnd: function() { - stream.lineEnd(); - lambda0 = phi0 = NaN; - }, - clean: function() { - return 2 - clean; // if intersections, rejoin first and last segments - } - }; +function RedBlackFirst(node) { + while (node.L) node = node.L; + return node; } -function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { - var cosPhi0, - cosPhi1, - sinLambda0Lambda1 = sin$1(lambda0 - lambda1); - return abs(sinLambda0Lambda1) > epsilon$4 - ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) - - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) - / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) - : (phi0 + phi1) / 2; +function createEdge(left, right, v0, v1) { + var edge = [null, null], + index = edges.push(edge) - 1; + edge.left = left; + edge.right = right; + if (v0) setEdgeEnd(edge, left, right, v0); + if (v1) setEdgeEnd(edge, right, left, v1); + cells[left.index].halfedges.push(index); + cells[right.index].halfedges.push(index); + return edge; } -function clipAntimeridianInterpolate(from, to, direction, stream) { - var phi; - if (from == null) { - phi = direction * halfPi$3; - stream.point(-pi$4, phi); - stream.point(0, phi); - stream.point(pi$4, phi); - stream.point(pi$4, 0); - stream.point(pi$4, -phi); - stream.point(0, -phi); - stream.point(-pi$4, -phi); - stream.point(-pi$4, 0); - stream.point(-pi$4, phi); - } else if (abs(from[0] - to[0]) > epsilon$4) { - var lambda = from[0] < to[0] ? pi$4 : -pi$4; - phi = direction * lambda / 2; - stream.point(-lambda, phi); - stream.point(0, phi); - stream.point(lambda, phi); +function createBorderEdge(left, v0, v1) { + var edge = [v0, v1]; + edge.left = left; + return edge; +} + +function setEdgeEnd(edge, left, right, vertex) { + if (!edge[0] && !edge[1]) { + edge[0] = vertex; + edge.left = left; + edge.right = right; + } else if (edge.left === right) { + edge[1] = vertex; } else { - stream.point(to[0], to[1]); + edge[0] = vertex; } } -var clipCircle = function(radius, delta) { - var cr = cos$1(radius), - smallRadius = cr > 0, - notHemisphere = abs(cr) > epsilon$4; // TODO optimise for this common case +// Liang–Barsky line clipping. +function clipEdge(edge, x0, y0, x1, y1) { + var a = edge[0], + b = edge[1], + ax = a[0], + ay = a[1], + bx = b[0], + by = b[1], + t0 = 0, + t1 = 1, + dx = bx - ax, + dy = by - ay, + r; - function interpolate(from, to, direction, stream) { - circleStream(stream, radius, delta, direction, from, to); + r = x0 - ax; + if (!dx && r > 0) return; + r /= dx; + if (dx < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dx > 0) { + if (r > t1) return; + if (r > t0) t0 = r; } - function visible(lambda, phi) { - return cos$1(lambda) * cos$1(phi) > cr; + r = x1 - ax; + if (!dx && r < 0) return; + r /= dx; + if (dx < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dx > 0) { + if (r < t0) return; + if (r < t1) t1 = r; } - // Takes a line and cuts into visible segments. Return values used for polygon - // clipping: 0 - there were intersections or the line was empty; 1 - no - // intersections 2 - there were intersections, and the first and last segments - // should be rejoined. - function clipLine(stream) { - var point0, // previous point - c0, // code for previous point - v0, // visibility of previous point - v00, // visibility of first point - clean; // no intersections - return { - lineStart: function() { - v00 = v0 = false; - clean = 1; - }, - point: function(lambda, phi) { - var point1 = [lambda, phi], - point2, - v = visible(lambda, phi), - c = smallRadius - ? v ? 0 : code(lambda, phi) - : v ? code(lambda + (lambda < 0 ? pi$4 : -pi$4), phi) : 0; - if (!point0 && (v00 = v0 = v)) stream.lineStart(); - // Handle degeneracies. - // TODO ignore if not clipping polygons. - if (v !== v0) { - point2 = intersect(point0, point1); - if (pointEqual(point0, point2) || pointEqual(point1, point2)) { - point1[0] += epsilon$4; - point1[1] += epsilon$4; - v = visible(point1[0], point1[1]); - } - } - if (v !== v0) { - clean = 0; - if (v) { - // outside going in - stream.lineStart(); - point2 = intersect(point1, point0); - stream.point(point2[0], point2[1]); - } else { - // inside going out - point2 = intersect(point0, point1); - stream.point(point2[0], point2[1]); - stream.lineEnd(); - } - point0 = point2; - } else if (notHemisphere && point0 && smallRadius ^ v) { - var t; - // If the codes for two points are different, or are both zero, - // and there this segment intersects with the small circle. - if (!(c & c0) && (t = intersect(point1, point0, true))) { - clean = 0; - if (smallRadius) { - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - } else { - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - } - } - } - if (v && (!point0 || !pointEqual(point0, point1))) { - stream.point(point1[0], point1[1]); - } - point0 = point1, v0 = v, c0 = c; - }, - lineEnd: function() { - if (v0) stream.lineEnd(); - point0 = null; - }, - // Rejoin first and last segments if there were intersections and the first - // and last points were visible. - clean: function() { - return clean | ((v00 && v0) << 1); + r = y0 - ay; + if (!dy && r > 0) return; + r /= dy; + if (dy < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dy > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = y1 - ay; + if (!dy && r < 0) return; + r /= dy; + if (dy < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dy > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + if (!(t0 > 0) && !(t1 < 1)) return true; // TODO Better check? + + if (t0 > 0) edge[0] = [ax + t0 * dx, ay + t0 * dy]; + if (t1 < 1) edge[1] = [ax + t1 * dx, ay + t1 * dy]; + return true; +} + +function connectEdge(edge, x0, y0, x1, y1) { + var v1 = edge[1]; + if (v1) return true; + + var v0 = edge[0], + left = edge.left, + right = edge.right, + lx = left[0], + ly = left[1], + rx = right[0], + ry = right[1], + fx = (lx + rx) / 2, + fy = (ly + ry) / 2, + fm, + fb; + + if (ry === ly) { + if (fx < x0 || fx >= x1) return; + if (lx > rx) { + if (!v0) v0 = [fx, y0]; + else if (v0[1] >= y1) return; + v1 = [fx, y1]; + } else { + if (!v0) v0 = [fx, y1]; + else if (v0[1] < y0) return; + v1 = [fx, y0]; + } + } else { + fm = (lx - rx) / (ry - ly); + fb = fy - fm * fx; + if (fm < -1 || fm > 1) { + if (lx > rx) { + if (!v0) v0 = [(y0 - fb) / fm, y0]; + else if (v0[1] >= y1) return; + v1 = [(y1 - fb) / fm, y1]; + } else { + if (!v0) v0 = [(y1 - fb) / fm, y1]; + else if (v0[1] < y0) return; + v1 = [(y0 - fb) / fm, y0]; } - }; + } else { + if (ly < ry) { + if (!v0) v0 = [x0, fm * x0 + fb]; + else if (v0[0] >= x1) return; + v1 = [x1, fm * x1 + fb]; + } else { + if (!v0) v0 = [x1, fm * x1 + fb]; + else if (v0[0] < x0) return; + v1 = [x0, fm * x0 + fb]; + } + } } - // Intersects the great circle between a and b with the clip circle. - function intersect(a, b, two) { - var pa = cartesian(a), - pb = cartesian(b); + edge[0] = v0; + edge[1] = v1; + return true; +} - // We have two planes, n1.p = d1 and n2.p = d2. - // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). - var n1 = [1, 0, 0], // normal - n2 = cartesianCross(pa, pb), - n2n2 = cartesianDot(n2, n2), - n1n2 = n2[0], // cartesianDot(n1, n2), - determinant = n2n2 - n1n2 * n1n2; +function clipEdges(x0, y0, x1, y1) { + var i = edges.length, + edge; - // Two polar points. - if (!determinant) return !two && a; + while (i--) { + if (!connectEdge(edge = edges[i], x0, y0, x1, y1) + || !clipEdge(edge, x0, y0, x1, y1) + || !(Math.abs(edge[0][0] - edge[1][0]) > epsilon$4 + || Math.abs(edge[0][1] - edge[1][1]) > epsilon$4)) { + delete edges[i]; + } + } +} - var c1 = cr * n2n2 / determinant, - c2 = -cr * n1n2 / determinant, - n1xn2 = cartesianCross(n1, n2), - A = cartesianScale(n1, c1), - B = cartesianScale(n2, c2); - cartesianAddInPlace(A, B); +function createCell(site) { + return cells[site.index] = { + site: site, + halfedges: [] + }; +} - // Solve |p(t)|^2 = 1. - var u = n1xn2, - w = cartesianDot(A, u), - uu = cartesianDot(u, u), - t2 = w * w - uu * (cartesianDot(A, A) - 1); +function cellHalfedgeAngle(cell, edge) { + var site = cell.site, + va = edge.left, + vb = edge.right; + if (site === vb) vb = va, va = site; + if (vb) return Math.atan2(vb[1] - va[1], vb[0] - va[0]); + if (site === va) va = edge[1], vb = edge[0]; + else va = edge[0], vb = edge[1]; + return Math.atan2(va[0] - vb[0], vb[1] - va[1]); +} - if (t2 < 0) return; +function cellHalfedgeStart(cell, edge) { + return edge[+(edge.left !== cell.site)]; +} - var t = sqrt$1(t2), - q = cartesianScale(u, (-w - t) / uu); - cartesianAddInPlace(q, A); - q = spherical(q); +function cellHalfedgeEnd(cell, edge) { + return edge[+(edge.left === cell.site)]; +} - if (!two) return q; +function sortCellHalfedges() { + for (var i = 0, n = cells.length, cell, halfedges, j, m; i < n; ++i) { + if ((cell = cells[i]) && (m = (halfedges = cell.halfedges).length)) { + var index = new Array(m), + array = new Array(m); + for (j = 0; j < m; ++j) index[j] = j, array[j] = cellHalfedgeAngle(cell, edges[halfedges[j]]); + index.sort(function(i, j) { return array[j] - array[i]; }); + for (j = 0; j < m; ++j) array[j] = halfedges[index[j]]; + for (j = 0; j < m; ++j) halfedges[j] = array[j]; + } + } +} - // Two intersection points. - var lambda0 = a[0], - lambda1 = b[0], - phi0 = a[1], - phi1 = b[1], - z; +function clipCells(x0, y0, x1, y1) { + var nCells = cells.length, + iCell, + cell, + site, + iHalfedge, + halfedges, + nHalfedges, + start, + startX, + startY, + end, + endX, + endY, + cover = true; - if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; + for (iCell = 0; iCell < nCells; ++iCell) { + if (cell = cells[iCell]) { + site = cell.site; + halfedges = cell.halfedges; + iHalfedge = halfedges.length; - var delta = lambda1 - lambda0, - polar = abs(delta - pi$4) < epsilon$4, - meridian = polar || delta < epsilon$4; + // Remove any dangling clipped edges. + while (iHalfedge--) { + if (!edges[halfedges[iHalfedge]]) { + halfedges.splice(iHalfedge, 1); + } + } - if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; + // Insert any border edges as necessary. + iHalfedge = 0, nHalfedges = halfedges.length; + while (iHalfedge < nHalfedges) { + end = cellHalfedgeEnd(cell, edges[halfedges[iHalfedge]]), endX = end[0], endY = end[1]; + start = cellHalfedgeStart(cell, edges[halfedges[++iHalfedge % nHalfedges]]), startX = start[0], startY = start[1]; + if (Math.abs(endX - startX) > epsilon$4 || Math.abs(endY - startY) > epsilon$4) { + halfedges.splice(iHalfedge, 0, edges.push(createBorderEdge(site, end, + Math.abs(endX - x0) < epsilon$4 && y1 - endY > epsilon$4 ? [x0, Math.abs(startX - x0) < epsilon$4 ? startY : y1] + : Math.abs(endY - y1) < epsilon$4 && x1 - endX > epsilon$4 ? [Math.abs(startY - y1) < epsilon$4 ? startX : x1, y1] + : Math.abs(endX - x1) < epsilon$4 && endY - y0 > epsilon$4 ? [x1, Math.abs(startX - x1) < epsilon$4 ? startY : y0] + : Math.abs(endY - y0) < epsilon$4 && endX - x0 > epsilon$4 ? [Math.abs(startY - y0) < epsilon$4 ? startX : x0, y0] + : null)) - 1); + ++nHalfedges; + } + } - // Check that the first point is between a and b. - if (meridian - ? polar - ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$4 ? phi0 : phi1) - : phi0 <= q[1] && q[1] <= phi1 - : delta > pi$4 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { - var q1 = cartesianScale(u, (-w + t) / uu); - cartesianAddInPlace(q1, A); - return [q, spherical(q1)]; + if (nHalfedges) cover = false; } } - // Generates a 4-bit vector representing the location of a point relative to - // the small circle's bounding box. - function code(lambda, phi) { - var r = smallRadius ? radius : pi$4 - radius, - code = 0; - if (lambda < -r) code |= 1; // left - else if (lambda > r) code |= 2; // right - if (phi < -r) code |= 4; // below - else if (phi > r) code |= 8; // above - return code; + // If there weren’t any edges, have the closest site cover the extent. + // It doesn’t matter which corner of the extent we measure! + if (cover) { + var dx, dy, d2, dc = Infinity; + + for (iCell = 0, cover = null; iCell < nCells; ++iCell) { + if (cell = cells[iCell]) { + site = cell.site; + dx = site[0] - x0; + dy = site[1] - y0; + d2 = dx * dx + dy * dy; + if (d2 < dc) dc = d2, cover = cell; + } + } + + if (cover) { + var v00 = [x0, y0], v01 = [x0, y1], v11 = [x1, y1], v10 = [x1, y0]; + cover.halfedges.push( + edges.push(createBorderEdge(site = cover.site, v00, v01)) - 1, + edges.push(createBorderEdge(site, v01, v11)) - 1, + edges.push(createBorderEdge(site, v11, v10)) - 1, + edges.push(createBorderEdge(site, v10, v00)) - 1 + ); + } } - return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$4, radius - pi$4]); -}; + // Lastly delete any cells with no edges; these were entirely clipped. + for (iCell = 0; iCell < nCells; ++iCell) { + if (cell = cells[iCell]) { + if (!cell.halfedges.length) { + delete cells[iCell]; + } + } + } +} -var transform$1 = function(methods) { - return { - stream: transformer(methods) - }; -}; +var circlePool = []; -function transformer(methods) { - return function(stream) { - var s = new TransformStream; - for (var key in methods) s[key] = methods[key]; - s.stream = stream; - return s; - }; +var firstCircle; + +function Circle() { + RedBlackNode(this); + this.x = + this.y = + this.arc = + this.site = + this.cy = null; } -function TransformStream() {} +function attachCircle(arc) { + var lArc = arc.P, + rArc = arc.N; -TransformStream.prototype = { - constructor: TransformStream, - point: function(x, y) { this.stream.point(x, y); }, - sphere: function() { this.stream.sphere(); }, - lineStart: function() { this.stream.lineStart(); }, - lineEnd: function() { this.stream.lineEnd(); }, - polygonStart: function() { this.stream.polygonStart(); }, - polygonEnd: function() { this.stream.polygonEnd(); } -}; + if (!lArc || !rArc) return; -function fitExtent(projection, extent, object) { - var w = extent[1][0] - extent[0][0], - h = extent[1][1] - extent[0][1], - clip = projection.clipExtent && projection.clipExtent(); + var lSite = lArc.site, + cSite = arc.site, + rSite = rArc.site; - projection - .scale(150) - .translate([0, 0]); + if (lSite === rSite) return; - if (clip != null) projection.clipExtent(null); + var bx = cSite[0], + by = cSite[1], + ax = lSite[0] - bx, + ay = lSite[1] - by, + cx = rSite[0] - bx, + cy = rSite[1] - by; + + var d = 2 * (ax * cy - ay * cx); + if (d >= -epsilon2$2) return; + + var ha = ax * ax + ay * ay, + hc = cx * cx + cy * cy, + x = (cy * ha - ay * hc) / d, + y = (ax * hc - cx * ha) / d; + + var circle = circlePool.pop() || new Circle; + circle.arc = arc; + circle.site = cSite; + circle.x = x + bx; + circle.y = (circle.cy = y + by) + Math.sqrt(x * x + y * y); // y bottom - geoStream(object, projection.stream(boundsStream$1)); + arc.circle = circle; - var b = boundsStream$1.result(), - k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), - x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, - y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; + var before = null, + node = circles._; - if (clip != null) projection.clipExtent(clip); + while (node) { + if (circle.y < node.y || (circle.y === node.y && circle.x <= node.x)) { + if (node.L) node = node.L; + else { before = node.P; break; } + } else { + if (node.R) node = node.R; + else { before = node; break; } + } + } - return projection - .scale(k * 150) - .translate([x, y]); + circles.insert(before, circle); + if (!before) firstCircle = circle; } -function fitSize(projection, size, object) { - return fitExtent(projection, [[0, 0], size], object); +function detachCircle(arc) { + var circle = arc.circle; + if (circle) { + if (!circle.P) firstCircle = circle.N; + circles.remove(circle); + circlePool.push(circle); + RedBlackNode(circle); + arc.circle = null; + } } -var maxDepth = 16; -var cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) - -var resample = function(project, delta2) { - return +delta2 ? resample$1(project, delta2) : resampleNone(project); -}; +var beachPool = []; -function resampleNone(project) { - return transformer({ - point: function(x, y) { - x = project(x, y); - this.stream.point(x[0], x[1]); - } - }); +function Beach() { + RedBlackNode(this); + this.edge = + this.site = + this.circle = null; } -function resample$1(project, delta2) { +function createBeach(site) { + var beach = beachPool.pop() || new Beach; + beach.site = site; + return beach; +} - function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) { - var dx = x1 - x0, - dy = y1 - y0, - d2 = dx * dx + dy * dy; - if (d2 > 4 * delta2 && depth--) { - var a = a0 + a1, - b = b0 + b1, - c = c0 + c1, - m = sqrt$1(a * a + b * b + c * c), - phi2 = asin$1(c /= m), - lambda2 = abs(abs(c) - 1) < epsilon$4 || abs(lambda0 - lambda1) < epsilon$4 ? (lambda0 + lambda1) / 2 : atan2(b, a), - p = project(lambda2, phi2), - x2 = p[0], - y2 = p[1], - dx2 = x2 - x0, - dy2 = y2 - y0, - dz = dy * dx2 - dx * dy2; - if (dz * dz / d2 > delta2 // perpendicular projected distance - || abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end - || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream); - stream.point(x2, y2); - resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream); - } - } - } - return function(stream) { - var lambda00, x00, y00, a00, b00, c00, // first point - lambda0, x0, y0, a0, b0, c0; // previous point +function detachBeach(beach) { + detachCircle(beach); + beaches.remove(beach); + beachPool.push(beach); + RedBlackNode(beach); +} - var resampleStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; }, - polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; } - }; +function removeBeach(beach) { + var circle = beach.circle, + x = circle.x, + y = circle.cy, + vertex = [x, y], + previous = beach.P, + next = beach.N, + disappearing = [beach]; - function point(x, y) { - x = project(x, y); - stream.point(x[0], x[1]); - } + detachBeach(beach); - function lineStart() { - x0 = NaN; - resampleStream.point = linePoint; - stream.lineStart(); - } + var lArc = previous; + while (lArc.circle + && Math.abs(x - lArc.circle.x) < epsilon$4 + && Math.abs(y - lArc.circle.cy) < epsilon$4) { + previous = lArc.P; + disappearing.unshift(lArc); + detachBeach(lArc); + lArc = previous; + } - function linePoint(lambda, phi) { - var c = cartesian([lambda, phi]), p = project(lambda, phi); - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); - stream.point(x0, y0); - } + disappearing.unshift(lArc); + detachCircle(lArc); - function lineEnd() { - resampleStream.point = point; - stream.lineEnd(); - } + var rArc = next; + while (rArc.circle + && Math.abs(x - rArc.circle.x) < epsilon$4 + && Math.abs(y - rArc.circle.cy) < epsilon$4) { + next = rArc.N; + disappearing.push(rArc); + detachBeach(rArc); + rArc = next; + } - function ringStart() { - lineStart(); - resampleStream.point = ringPoint; - resampleStream.lineEnd = ringEnd; - } + disappearing.push(rArc); + detachCircle(rArc); - function ringPoint(lambda, phi) { - linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; - resampleStream.point = linePoint; - } + var nArcs = disappearing.length, + iArc; + for (iArc = 1; iArc < nArcs; ++iArc) { + rArc = disappearing[iArc]; + lArc = disappearing[iArc - 1]; + setEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); + } - function ringEnd() { - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream); - resampleStream.lineEnd = lineEnd; - lineEnd(); - } + lArc = disappearing[0]; + rArc = disappearing[nArcs - 1]; + rArc.edge = createEdge(lArc.site, rArc.site, null, vertex); - return resampleStream; - }; + attachCircle(lArc); + attachCircle(rArc); } -var transformRadians = transformer({ - point: function(x, y) { - this.stream.point(x * radians, y * radians); +function addBeach(site) { + var x = site[0], + directrix = site[1], + lArc, + rArc, + dxl, + dxr, + node = beaches._; + + while (node) { + dxl = leftBreakPoint(node, directrix) - x; + if (dxl > epsilon$4) node = node.L; else { + dxr = x - rightBreakPoint(node, directrix); + if (dxr > epsilon$4) { + if (!node.R) { + lArc = node; + break; + } + node = node.R; + } else { + if (dxl > -epsilon$4) { + lArc = node.P; + rArc = node; + } else if (dxr > -epsilon$4) { + lArc = node; + rArc = node.N; + } else { + lArc = rArc = node; + } + break; + } + } } -}); -function projection(project) { - return projectionMutator(function() { return project; })(); -} + createCell(site); + var newArc = createBeach(site); + beaches.insert(lArc, newArc); -function projectionMutator(projectAt) { - var project, - k = 150, // scale - x = 480, y = 250, // translate - dx, dy, lambda = 0, phi = 0, // center - deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, projectRotate, // rotate - theta = null, preclip = clipAntimeridian, // clip angle - x0 = null, y0, x1, y1, postclip = identity$7, // clip extent - delta2 = 0.5, projectResample = resample(projectTransform, delta2), // precision - cache, - cacheStream; + if (!lArc && !rArc) return; - function projection(point) { - point = projectRotate(point[0] * radians, point[1] * radians); - return [point[0] * k + dx, dy - point[1] * k]; + if (lArc === rArc) { + detachCircle(lArc); + rArc = createBeach(lArc.site); + beaches.insert(newArc, rArc); + newArc.edge = rArc.edge = createEdge(lArc.site, newArc.site); + attachCircle(lArc); + attachCircle(rArc); + return; } - function invert(point) { - point = projectRotate.invert((point[0] - dx) / k, (dy - point[1]) / k); - return point && [point[0] * degrees$1, point[1] * degrees$1]; + if (!rArc) { // && lArc + newArc.edge = createEdge(lArc.site, newArc.site); + return; } - function projectTransform(x, y) { - return x = project(x, y), [x[0] * k + dx, dy - x[1] * k]; - } + // else lArc !== rArc + detachCircle(lArc); + detachCircle(rArc); + + var lSite = lArc.site, + ax = lSite[0], + ay = lSite[1], + bx = site[0] - ax, + by = site[1] - ay, + rSite = rArc.site, + cx = rSite[0] - ax, + cy = rSite[1] - ay, + d = 2 * (bx * cy - by * cx), + hb = bx * bx + by * by, + hc = cx * cx + cy * cy, + vertex = [(cy * hb - by * hc) / d + ax, (bx * hc - cx * hb) / d + ay]; - projection.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = transformRadians(preclip(rotate, projectResample(postclip(cacheStream = stream)))); - }; + setEdgeEnd(rArc.edge, lSite, rSite, vertex); + newArc.edge = createEdge(lSite, site, null, vertex); + rArc.edge = createEdge(site, rSite, null, vertex); + attachCircle(lArc); + attachCircle(rArc); +} - projection.clipAngle = function(_) { - return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians, 6 * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1; - }; +function leftBreakPoint(arc, directrix) { + var site = arc.site, + rfocx = site[0], + rfocy = site[1], + pby2 = rfocy - directrix; - projection.clipExtent = function(_) { - return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$7) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; - }; + if (!pby2) return rfocx; - projection.scale = function(_) { - return arguments.length ? (k = +_, recenter()) : k; - }; + var lArc = arc.P; + if (!lArc) return -Infinity; - projection.translate = function(_) { - return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y]; - }; + site = lArc.site; + var lfocx = site[0], + lfocy = site[1], + plby2 = lfocy - directrix; - projection.center = function(_) { - return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees$1, phi * degrees$1]; - }; + if (!plby2) return lfocx; - projection.rotate = function(_) { - return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees$1, deltaPhi * degrees$1, deltaGamma * degrees$1]; - }; + var hl = lfocx - rfocx, + aby2 = 1 / pby2 - 1 / plby2, + b = hl / plby2; - projection.precision = function(_) { - return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt$1(delta2); - }; + if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; - projection.fitExtent = function(extent, object) { - return fitExtent(projection, extent, object); - }; + return (rfocx + lfocx) / 2; +} - projection.fitSize = function(size, object) { - return fitSize(projection, size, object); - }; +function rightBreakPoint(arc, directrix) { + var rArc = arc.N; + if (rArc) return leftBreakPoint(rArc, directrix); + var site = arc.site; + return site[1] === directrix ? site[0] : Infinity; +} - function recenter() { - projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); - var center = project(lambda, phi); - dx = x - center[0] * k; - dy = y + center[1] * k; - return reset(); - } +var epsilon$4 = 1e-6; +var epsilon2$2 = 1e-12; +var beaches; +var cells; +var circles; +var edges; - function reset() { - cache = cacheStream = null; - return projection; - } +function triangleArea(a, b, c) { + return (a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]); +} - return function() { - project = projectAt.apply(this, arguments); - projection.invert = project.invert && invert; - return recenter(); - }; +function lexicographic(a, b) { + return b[1] - a[1] + || b[0] - a[0]; } -function conicProjection(projectAt) { - var phi0 = 0, - phi1 = pi$4 / 3, - m = projectionMutator(projectAt), - p = m(phi0, phi1); +function Diagram(sites, extent) { + var site = sites.sort(lexicographic).pop(), + x, + y, + circle; - p.parallels = function(_) { - return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees$1, phi1 * degrees$1]; - }; + edges = []; + cells = new Array(sites.length); + beaches = new RedBlackTree; + circles = new RedBlackTree; - return p; -} + while (true) { + circle = firstCircle; + if (site && (!circle || site[1] < circle.y || (site[1] === circle.y && site[0] < circle.x))) { + if (site[0] !== x || site[1] !== y) { + addBeach(site); + x = site[0], y = site[1]; + } + site = sites.pop(); + } else if (circle) { + removeBeach(circle.arc); + } else { + break; + } + } -function cylindricalEqualAreaRaw(phi0) { - var cosPhi0 = cos$1(phi0); + sortCellHalfedges(); - function forward(lambda, phi) { - return [lambda * cosPhi0, sin$1(phi) / cosPhi0]; + if (extent) { + var x0 = +extent[0][0], + y0 = +extent[0][1], + x1 = +extent[1][0], + y1 = +extent[1][1]; + clipEdges(x0, y0, x1, y1); + clipCells(x0, y0, x1, y1); } - forward.invert = function(x, y) { - return [x / cosPhi0, asin$1(y * cosPhi0)]; - }; + this.edges = edges; + this.cells = cells; - return forward; + beaches = + circles = + edges = + cells = null; } -function conicEqualAreaRaw(y0, y1) { - var sy0 = sin$1(y0), n = (sy0 + sin$1(y1)) / 2; +Diagram.prototype = { + constructor: Diagram, - // Are the parallels symmetrical around the Equator? - if (abs(n) < epsilon$4) return cylindricalEqualAreaRaw(y0); + polygons: function() { + var edges = this.edges; - var c = 1 + sy0 * (2 * n - sy0), r0 = sqrt$1(c) / n; + return this.cells.map(function(cell) { + var polygon = cell.halfedges.map(function(i) { return cellHalfedgeStart(cell, edges[i]); }); + polygon.data = cell.site.data; + return polygon; + }); + }, - function project(x, y) { - var r = sqrt$1(c - 2 * n * sin$1(y)) / n; - return [r * sin$1(x *= n), r0 - r * cos$1(x)]; - } + triangles: function() { + var triangles = [], + edges = this.edges; - project.invert = function(x, y) { - var r0y = r0 - y; - return [atan2(x, abs(r0y)) / n * sign$1(r0y), asin$1((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; - }; + this.cells.forEach(function(cell, i) { + if (!(m = (halfedges = cell.halfedges).length)) return; + var site = cell.site, + halfedges, + j = -1, + m, + s0, + e1 = edges[halfedges[m - 1]], + s1 = e1.left === site ? e1.right : e1.left; - return project; -} + while (++j < m) { + s0 = s1; + e1 = edges[halfedges[j]]; + s1 = e1.left === site ? e1.right : e1.left; + if (s0 && s1 && i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) { + triangles.push([site.data, s0.data, s1.data]); + } + } + }); -var conicEqualArea = function() { - return conicProjection(conicEqualAreaRaw) - .scale(155.424) - .center([0, 33.6442]); -}; + return triangles; + }, -var albers = function() { - return conicEqualArea() - .parallels([29.5, 45.5]) - .scale(1070) - .translate([480, 250]) - .rotate([96, 0]) - .center([-0.6, 38.7]); -}; + links: function() { + return this.edges.filter(function(edge) { + return edge.right; + }).map(function(edge) { + return { + source: edge.left.data, + target: edge.right.data + }; + }); + }, -// The projections must have mutually exclusive clip regions on the sphere, -// as this will avoid emitting interleaving lines and polygons. -function multiplex(streams) { - var n = streams.length; - return { - point: function(x, y) { var i = -1; while (++i < n) streams[i].point(x, y); }, - sphere: function() { var i = -1; while (++i < n) streams[i].sphere(); }, - lineStart: function() { var i = -1; while (++i < n) streams[i].lineStart(); }, - lineEnd: function() { var i = -1; while (++i < n) streams[i].lineEnd(); }, - polygonStart: function() { var i = -1; while (++i < n) streams[i].polygonStart(); }, - polygonEnd: function() { var i = -1; while (++i < n) streams[i].polygonEnd(); } - }; -} + find: function(x, y, radius) { + var that = this, i0, i1 = that._found || 0, n = that.cells.length, cell; -// A composite projection for the United States, configured by default for -// 960×500. The projection also works quite well at 960×600 if you change the -// scale to 1285 and adjust the translate accordingly. The set of standard -// parallels for each region comes from USGS, which is published here: -// http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers -var albersUsa = function() { - var cache, - cacheStream, - lower48 = albers(), lower48Point, - alaska = conicEqualArea().rotate([154, 0]).center([-2, 58.5]).parallels([55, 65]), alaskaPoint, // EPSG:3338 - hawaii = conicEqualArea().rotate([157, 0]).center([-3, 19.9]).parallels([8, 18]), hawaiiPoint, // ESRI:102007 - point, pointStream = {point: function(x, y) { point = [x, y]; }}; + // Use the previously-found cell, or start with an arbitrary one. + while (!(cell = that.cells[i1])) if (++i1 >= n) return null; + var dx = x - cell.site[0], dy = y - cell.site[1], d2 = dx * dx + dy * dy; - function albersUsa(coordinates) { - var x = coordinates[0], y = coordinates[1]; - return point = null, - (lower48Point.point(x, y), point) - || (alaskaPoint.point(x, y), point) - || (hawaiiPoint.point(x, y), point); + // Traverse the half-edges to find a closer cell, if any. + do { + cell = that.cells[i0 = i1], i1 = null; + cell.halfedges.forEach(function(e) { + var edge = that.edges[e], v = edge.left; + if ((v === cell.site || !v) && !(v = edge.right)) return; + var vx = x - v[0], vy = y - v[1], v2 = vx * vx + vy * vy; + if (v2 < d2) d2 = v2, i1 = v.index; + }); + } while (i1 !== null); + + that._found = i0; + + return radius == null || d2 <= radius * radius ? cell.site : null; + } +}; + +var voronoi = function() { + var x$$1 = x$4, + y$$1 = y$4, + extent = null; + + function voronoi(data) { + return new Diagram(data.map(function(d, i) { + var s = [Math.round(x$$1(d, i, data) / epsilon$4) * epsilon$4, Math.round(y$$1(d, i, data) / epsilon$4) * epsilon$4]; + s.index = i; + s.data = d; + return s; + }), extent); } - albersUsa.invert = function(coordinates) { - var k = lower48.scale(), - t = lower48.translate(), - x = (coordinates[0] - t[0]) / k, - y = (coordinates[1] - t[1]) / k; - return (y >= 0.120 && y < 0.234 && x >= -0.425 && x < -0.214 ? alaska - : y >= 0.166 && y < 0.234 && x >= -0.214 && x < -0.115 ? hawaii - : lower48).invert(coordinates); + voronoi.polygons = function(data) { + return voronoi(data).polygons(); }; - albersUsa.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = multiplex([lower48.stream(cacheStream = stream), alaska.stream(stream), hawaii.stream(stream)]); + voronoi.links = function(data) { + return voronoi(data).links(); }; - albersUsa.precision = function(_) { - if (!arguments.length) return lower48.precision(); - lower48.precision(_), alaska.precision(_), hawaii.precision(_); - return reset(); + voronoi.triangles = function(data) { + return voronoi(data).triangles(); }; - albersUsa.scale = function(_) { - if (!arguments.length) return lower48.scale(); - lower48.scale(_), alaska.scale(_ * 0.35), hawaii.scale(_); - return albersUsa.translate(lower48.translate()); + voronoi.x = function(_) { + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : x$$1; }; - albersUsa.translate = function(_) { - if (!arguments.length) return lower48.translate(); - var k = lower48.scale(), x = +_[0], y = +_[1]; - - lower48Point = lower48 - .translate(_) - .clipExtent([[x - 0.455 * k, y - 0.238 * k], [x + 0.455 * k, y + 0.238 * k]]) - .stream(pointStream); - - alaskaPoint = alaska - .translate([x - 0.307 * k, y + 0.201 * k]) - .clipExtent([[x - 0.425 * k + epsilon$4, y + 0.120 * k + epsilon$4], [x - 0.214 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) - .stream(pointStream); - - hawaiiPoint = hawaii - .translate([x - 0.205 * k, y + 0.212 * k]) - .clipExtent([[x - 0.214 * k + epsilon$4, y + 0.166 * k + epsilon$4], [x - 0.115 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) - .stream(pointStream); - - return reset(); + voronoi.y = function(_) { + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : y$$1; }; - albersUsa.fitExtent = function(extent, object) { - return fitExtent(albersUsa, extent, object); + voronoi.extent = function(_) { + return arguments.length ? (extent = _ == null ? null : [[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]], voronoi) : extent && [[extent[0][0], extent[0][1]], [extent[1][0], extent[1][1]]]; }; - albersUsa.fitSize = function(size, object) { - return fitSize(albersUsa, size, object); + voronoi.size = function(_) { + return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0] - extent[0][0], extent[1][1] - extent[0][1]]; }; - function reset() { - cache = cacheStream = null; - return albersUsa; - } + return voronoi; +}; - return albersUsa.scale(1070); +var constant$12 = function(x) { + return function() { + return x; + }; }; -function azimuthalRaw(scale) { - return function(x, y) { - var cx = cos$1(x), - cy = cos$1(y), - k = scale(cx * cy); - return [ - k * cy * sin$1(x), - k * sin$1(y) - ]; - } +function ZoomEvent(target, type, transform) { + this.target = target; + this.type = type; + this.transform = transform; } -function azimuthalInvert(angle) { - return function(x, y) { - var z = sqrt$1(x * x + y * y), - c = angle(z), - sc = sin$1(c), - cc = cos$1(c); - return [ - atan2(x * sc, z * cc), - asin$1(z && y * sc / z) - ]; - } +function Transform(k, x, y) { + this.k = k; + this.x = x; + this.y = y; } -var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) { - return sqrt$1(2 / (1 + cxcy)); -}); +Transform.prototype = { + constructor: Transform, + scale: function(k) { + return k === 1 ? this : new Transform(this.k * k, this.x, this.y); + }, + translate: function(x, y) { + return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y); + }, + apply: function(point) { + return [point[0] * this.k + this.x, point[1] * this.k + this.y]; + }, + applyX: function(x) { + return x * this.k + this.x; + }, + applyY: function(y) { + return y * this.k + this.y; + }, + invert: function(location) { + return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k]; + }, + invertX: function(x) { + return (x - this.x) / this.k; + }, + invertY: function(y) { + return (y - this.y) / this.k; + }, + rescaleX: function(x) { + return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x)); + }, + rescaleY: function(y) { + return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y)); + }, + toString: function() { + return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")"; + } +}; -azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) { - return 2 * asin$1(z / 2); -}); +var identity$8 = new Transform(1, 0, 0); -var azimuthalEqualArea = function() { - return projection(azimuthalEqualAreaRaw) - .scale(124.75) - .clipAngle(180 - 1e-3); -}; +transform$1.prototype = Transform.prototype; -var azimuthalEquidistantRaw = azimuthalRaw(function(c) { - return (c = acos(c)) && c / sin$1(c); -}); +function transform$1(node) { + return node.__zoom || identity$8; +} -azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) { - return z; -}); +function nopropagation$2() { + exports.event.stopImmediatePropagation(); +} -var azimuthalEquidistant = function() { - return projection(azimuthalEquidistantRaw) - .scale(79.4188) - .clipAngle(180 - 1e-3); +var noevent$2 = function() { + exports.event.preventDefault(); + exports.event.stopImmediatePropagation(); }; -function mercatorRaw(lambda, phi) { - return [lambda, log$1(tan((halfPi$3 + phi) / 2))]; +// Ignore right-click, since that should open the context menu. +function defaultFilter$2() { + return !exports.event.button; } -mercatorRaw.invert = function(x, y) { - return [x, 2 * atan(exp(y)) - halfPi$3]; -}; +function defaultExtent$1() { + var e = this, w, h; + if (e instanceof SVGElement) { + e = e.ownerSVGElement || e; + w = e.width.baseVal.value; + h = e.height.baseVal.value; + } else { + w = e.clientWidth; + h = e.clientHeight; + } + return [[0, 0], [w, h]]; +} -var mercator = function() { - return mercatorProjection(mercatorRaw) - .scale(961 / tau$4); -}; +function defaultTransform() { + return this.__zoom || identity$8; +} -function mercatorProjection(project) { - var m = projection(project), - scale = m.scale, - translate = m.translate, - clipExtent = m.clipExtent, - clipAuto; +var zoom = function() { + var filter = defaultFilter$2, + extent = defaultExtent$1, + k0 = 0, + k1 = Infinity, + x0 = -k1, + x1 = k1, + y0 = x0, + y1 = x1, + duration = 250, + interpolate$$1 = interpolateZoom, + gestures = [], + listeners = dispatch("start", "zoom", "end"), + touchstarting, + touchending, + touchDelay = 500, + wheelDelay = 150; - m.scale = function(_) { - return arguments.length ? (scale(_), clipAuto && m.clipExtent(null), m) : scale(); + function zoom(selection$$1) { + selection$$1 + .on("wheel.zoom", wheeled) + .on("mousedown.zoom", mousedowned) + .on("dblclick.zoom", dblclicked) + .on("touchstart.zoom", touchstarted) + .on("touchmove.zoom", touchmoved) + .on("touchend.zoom touchcancel.zoom", touchended) + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") + .property("__zoom", defaultTransform); + } + + zoom.transform = function(collection, transform) { + var selection$$1 = collection.selection ? collection.selection() : collection; + selection$$1.property("__zoom", defaultTransform); + if (collection !== selection$$1) { + schedule(collection, transform); + } else { + selection$$1.interrupt().each(function() { + gesture(this, arguments) + .start() + .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) + .end(); + }); + } }; - m.translate = function(_) { - return arguments.length ? (translate(_), clipAuto && m.clipExtent(null), m) : translate(); + zoom.scaleBy = function(selection$$1, k) { + zoom.scaleTo(selection$$1, function() { + var k0 = this.__zoom.k, + k1 = typeof k === "function" ? k.apply(this, arguments) : k; + return k0 * k1; + }); }; - m.clipExtent = function(_) { - if (!arguments.length) return clipAuto ? null : clipExtent(); - if (clipAuto = _ == null) { - var k = pi$4 * scale(), - t = translate(); - _ = [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]]; - } - clipExtent(_); - return m; + zoom.scaleTo = function(selection$$1, k) { + zoom.transform(selection$$1, function() { + var e = extent.apply(this, arguments), + t0 = this.__zoom, + p0 = centroid(e), + p1 = t0.invert(p0), + k1 = typeof k === "function" ? k.apply(this, arguments) : k; + return constrain(translate(scale(t0, k1), p0, p1), e); + }); }; - return m.clipExtent(null); -} - -function tany(y) { - return tan((halfPi$3 + y) / 2); -} - -function conicConformalRaw(y0, y1) { - var cy0 = cos$1(y0), - n = y0 === y1 ? sin$1(y0) : log$1(cy0 / cos$1(y1)) / log$1(tany(y1) / tany(y0)), - f = cy0 * pow$1(tany(y0), n) / n; + zoom.translateBy = function(selection$$1, x, y) { + zoom.transform(selection$$1, function() { + return constrain(this.__zoom.translate( + typeof x === "function" ? x.apply(this, arguments) : x, + typeof y === "function" ? y.apply(this, arguments) : y + ), extent.apply(this, arguments)); + }); + }; - if (!n) return mercatorRaw; + function scale(transform, k) { + k = Math.max(k0, Math.min(k1, k)); + return k === transform.k ? transform : new Transform(k, transform.x, transform.y); + } - function project(x, y) { - if (f > 0) { if (y < -halfPi$3 + epsilon$4) y = -halfPi$3 + epsilon$4; } - else { if (y > halfPi$3 - epsilon$4) y = halfPi$3 - epsilon$4; } - var r = f / pow$1(tany(y), n); - return [r * sin$1(n * x), f - r * cos$1(n * x)]; + function translate(transform, p0, p1) { + var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k; + return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y); } - project.invert = function(x, y) { - var fy = f - y, r = sign$1(n) * sqrt$1(x * x + fy * fy); - return [atan2(x, abs(fy)) / n * sign$1(fy), 2 * atan(pow$1(f / r, 1 / n)) - halfPi$3]; - }; + function constrain(transform, extent) { + var dx0 = transform.invertX(extent[0][0]) - x0, + dx1 = transform.invertX(extent[1][0]) - x1, + dy0 = transform.invertY(extent[0][1]) - y0, + dy1 = transform.invertY(extent[1][1]) - y1; + return transform.translate( + dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1), + dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1) + ); + } - return project; -} + function centroid(extent) { + return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; + } -var conicConformal = function() { - return conicProjection(conicConformalRaw) - .scale(109.5) - .parallels([30, 30]); -}; + function schedule(transition$$1, transform, center) { + transition$$1 + .on("start.zoom", function() { gesture(this, arguments).start(); }) + .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) + .tween("zoom", function() { + var that = this, + args = arguments, + g = gesture(that, args), + e = extent.apply(that, args), + p = center || centroid(e), + w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), + a = that.__zoom, + b = typeof transform === "function" ? transform.apply(that, args) : transform, + i = interpolate$$1(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); + return function(t) { + if (t === 1) t = b; // Avoid rounding error on end. + else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); } + g.zoom(null, t); + }; + }); + } -function equirectangularRaw(lambda, phi) { - return [lambda, phi]; -} + function gesture(that, args) { + for (var i = 0, n = gestures.length, g; i < n; ++i) { + if ((g = gestures[i]).that === that) { + return g; + } + } + return new Gesture(that, args); + } -equirectangularRaw.invert = equirectangularRaw; + function Gesture(that, args) { + this.that = that; + this.args = args; + this.index = -1; + this.active = 0; + this.extent = extent.apply(that, args); + } -var equirectangular = function() { - return projection(equirectangularRaw) - .scale(152.63); -}; + Gesture.prototype = { + start: function() { + if (++this.active === 1) { + this.index = gestures.push(this) - 1; + this.emit("start"); + } + return this; + }, + zoom: function(key, transform) { + if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]); + if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); + if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); + this.that.__zoom = transform; + this.emit("zoom"); + return this; + }, + end: function() { + if (--this.active === 0) { + gestures.splice(this.index, 1); + this.index = -1; + this.emit("end"); + } + return this; + }, + emit: function(type) { + customEvent(new ZoomEvent(zoom, type, this.that.__zoom), listeners.apply, listeners, [type, this.that, this.args]); + } + }; -function conicEquidistantRaw(y0, y1) { - var cy0 = cos$1(y0), - n = y0 === y1 ? sin$1(y0) : (cy0 - cos$1(y1)) / (y1 - y0), - g = cy0 / n + y0; + function wheeled() { + if (!filter.apply(this, arguments)) return; + var g = gesture(this, arguments), + t = this.__zoom, + k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500))), + p = mouse(this); - if (abs(n) < epsilon$4) return equirectangularRaw; + // If the mouse is in the same location as before, reuse it. + // If there were recent wheel events, reset the wheel idle timeout. + if (g.wheel) { + if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) { + g.mouse[1] = t.invert(g.mouse[0] = p); + } + clearTimeout(g.wheel); + } - function project(x, y) { - var gy = g - y, nx = n * x; - return [gy * sin$1(nx), g - gy * cos$1(nx)]; - } + // If this wheel event won’t trigger a transform change, ignore it. + else if (t.k === k) return; - project.invert = function(x, y) { - var gy = g - y; - return [atan2(x, abs(gy)) / n * sign$1(gy), g - sign$1(n) * sqrt$1(x * x + gy * gy)]; - }; + // Otherwise, capture the mouse point and location at the start. + else { + g.mouse = [p, t.invert(p)]; + interrupt(this); + g.start(); + } - return project; -} + noevent$2(); + g.wheel = setTimeout(wheelidled, wheelDelay); + g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent)); -var conicEquidistant = function() { - return conicProjection(conicEquidistantRaw) - .scale(131.154) - .center([0, 13.9389]); -}; + function wheelidled() { + g.wheel = null; + g.end(); + } + } -function gnomonicRaw(x, y) { - var cy = cos$1(y), k = cos$1(x) * cy; - return [cy * sin$1(x) / k, sin$1(y) / k]; -} + function mousedowned() { + if (touchending || !filter.apply(this, arguments)) return; + var g = gesture(this, arguments), + v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), + p = mouse(this); -gnomonicRaw.invert = azimuthalInvert(atan); + dragDisable(exports.event.view); + nopropagation$2(); + g.mouse = [p, this.__zoom.invert(p)]; + interrupt(this); + g.start(); -var gnomonic = function() { - return projection(gnomonicRaw) - .scale(144.049) - .clipAngle(60); -}; + function mousemoved() { + noevent$2(); + g.moved = true; + g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent)); + } -function scaleTranslate(kx, ky, tx, ty) { - return kx === 1 && ky === 1 && tx === 0 && ty === 0 ? identity$7 : transformer({ - point: function(x, y) { - this.stream.point(x * kx + tx, y * ky + ty); + function mouseupped() { + v.on("mousemove.zoom mouseup.zoom", null); + yesdrag(exports.event.view, g.moved); + noevent$2(); + g.end(); } - }); -} + } -var identity$8 = function() { - var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, transform = identity$7, // scale, translate and reflect - x0 = null, y0, x1, y1, clip = identity$7, // clip extent - cache, - cacheStream, - projection; + function dblclicked() { + if (!filter.apply(this, arguments)) return; + var t0 = this.__zoom, + p0 = mouse(this), + p1 = t0.invert(p0), + k1 = t0.k * (exports.event.shiftKey ? 0.5 : 2), + t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments)); - function reset() { - cache = cacheStream = null; - return projection; + noevent$2(); + if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0); + else select(this).call(zoom.transform, t1); } - return projection = { - stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = transform(clip(cacheStream = stream)); - }, - clipExtent: function(_) { - return arguments.length ? (clip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$7) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; - }, - scale: function(_) { - return arguments.length ? (transform = scaleTranslate((k = +_) * sx, k * sy, tx, ty), reset()) : k; - }, - translate: function(_) { - return arguments.length ? (transform = scaleTranslate(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; - }, - reflectX: function(_) { - return arguments.length ? (transform = scaleTranslate(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0; - }, - reflectY: function(_) { - return arguments.length ? (transform = scaleTranslate(k * sx, k * (sy = _ ? -1 : 1), tx, ty), reset()) : sy < 0; - }, - fitExtent: function(extent, object) { - return fitExtent(projection, extent, object); - }, - fitSize: function(size, object) { - return fitSize(projection, size, object); + function touchstarted() { + if (!filter.apply(this, arguments)) return; + var g = gesture(this, arguments), + touches$$1 = exports.event.changedTouches, + started, + n = touches$$1.length, i, t, p; + + nopropagation$2(); + for (i = 0; i < n; ++i) { + t = touches$$1[i], p = touch(this, touches$$1, t.identifier); + p = [p, this.__zoom.invert(p), t.identifier]; + if (!g.touch0) g.touch0 = p, started = true; + else if (!g.touch1) g.touch1 = p; + } + + // If this is a dbltap, reroute to the (optional) dblclick.zoom handler. + if (touchstarting) { + touchstarting = clearTimeout(touchstarting); + if (!g.touch1) { + g.end(); + p = select(this).on("dblclick.zoom"); + if (p) p.apply(this, arguments); + return; + } } - }; -}; -function orthographicRaw(x, y) { - return [cos$1(y) * sin$1(x), sin$1(y)]; -} + if (started) { + touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); + interrupt(this); + g.start(); + } + } -orthographicRaw.invert = azimuthalInvert(asin$1); + function touchmoved() { + var g = gesture(this, arguments), + touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, t, p, l; -var orthographic = function() { - return projection(orthographicRaw) - .scale(249.5) - .clipAngle(90 + epsilon$4); -}; + noevent$2(); + if (touchstarting) touchstarting = clearTimeout(touchstarting); + for (i = 0; i < n; ++i) { + t = touches$$1[i], p = touch(this, touches$$1, t.identifier); + if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; + else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; + } + t = g.that.__zoom; + if (g.touch1) { + var p0 = g.touch0[0], l0 = g.touch0[1], + p1 = g.touch1[0], l1 = g.touch1[1], + dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp, + dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl; + t = scale(t, Math.sqrt(dp / dl)); + p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2]; + l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2]; + } + else if (g.touch0) p = g.touch0[0], l = g.touch0[1]; + else return; + g.zoom("touch", constrain(translate(t, p, l), g.extent)); + } -function stereographicRaw(x, y) { - var cy = cos$1(y), k = 1 + cos$1(x) * cy; - return [cy * sin$1(x) / k, sin$1(y) / k]; -} + function touchended() { + var g = gesture(this, arguments), + touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, t; -stereographicRaw.invert = azimuthalInvert(function(z) { - return 2 * atan(z); -}); + nopropagation$2(); + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, touchDelay); + for (i = 0; i < n; ++i) { + t = touches$$1[i]; + if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; + else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; + } + if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1; + if (!g.touch0) g.end(); + } -var stereographic = function() { - return projection(stereographicRaw) - .scale(250) - .clipAngle(142); -}; + zoom.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$12(!!_), zoom) : filter; + }; -function transverseMercatorRaw(lambda, phi) { - return [log$1(tan((halfPi$3 + phi) / 2)), -lambda]; -} + zoom.extent = function(_) { + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$12([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; + }; -transverseMercatorRaw.invert = function(x, y) { - return [-y, 2 * atan(exp(x)) - halfPi$3]; -}; + zoom.scaleExtent = function(_) { + return arguments.length ? (k0 = +_[0], k1 = +_[1], zoom) : [k0, k1]; + }; -var transverseMercator = function() { - var m = mercatorProjection(transverseMercatorRaw), - center = m.center, - rotate = m.rotate; + zoom.translateExtent = function(_) { + return arguments.length ? (x0 = +_[0][0], x1 = +_[1][0], y0 = +_[0][1], y1 = +_[1][1], zoom) : [[x0, y0], [x1, y1]]; + }; - m.center = function(_) { - return arguments.length ? center([-_[1], _[0]]) : (_ = center(), [_[1], -_[0]]); + zoom.duration = function(_) { + return arguments.length ? (duration = +_, zoom) : duration; }; - m.rotate = function(_) { - return arguments.length ? rotate([_[0], _[1], _.length > 2 ? _[2] + 90 : 90]) : (_ = rotate(), [_[0], _[1], _[2] - 90]); + zoom.interpolate = function(_) { + return arguments.length ? (interpolate$$1 = _, zoom) : interpolate$$1; }; - return rotate([0, 0, 90]) - .scale(159.155); + zoom.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? zoom : value; + }; + + return zoom; }; exports.version = version; @@ -16016,6 +16178,7 @@ exports.bisectRight = bisectRight; exports.bisectLeft = bisectLeft; exports.ascending = ascending; exports.bisector = bisector; +exports.cross = cross; exports.descending = descending; exports.deviation = deviation; exports.extent = extent; @@ -16031,7 +16194,7 @@ exports.min = min; exports.pairs = pairs; exports.permute = permute; exports.quantile = threshold; -exports.range = range; +exports.range = sequence; exports.scan = scan; exports.shuffle = shuffle; exports.sum = sum; @@ -16040,81 +16203,252 @@ exports.tickStep = tickStep; exports.transpose = transpose; exports.variance = variance; exports.zip = zip; -exports.entries = entries; +exports.axisTop = axisTop; +exports.axisRight = axisRight; +exports.axisBottom = axisBottom; +exports.axisLeft = axisLeft; +exports.brush = brush; +exports.brushX = brushX; +exports.brushY = brushY; +exports.brushSelection = brushSelection; +exports.chord = chord; +exports.ribbon = ribbon; +exports.nest = nest; +exports.set = set$2; +exports.map = map$1; exports.keys = keys; exports.values = values; -exports.map = map$1; -exports.set = set; -exports.nest = nest; +exports.entries = entries; +exports.color = color; +exports.rgb = rgb; +exports.hsl = hsl; +exports.lab = lab; +exports.hcl = hcl; +exports.cubehelix = cubehelix; +exports.dispatch = dispatch; +exports.drag = drag; +exports.dragDisable = dragDisable; +exports.dragEnable = yesdrag; +exports.dsvFormat = dsv; +exports.csvParse = csvParse; +exports.csvParseRows = csvParseRows; +exports.csvFormat = csvFormat; +exports.csvFormatRows = csvFormatRows; +exports.tsvParse = tsvParse; +exports.tsvParseRows = tsvParseRows; +exports.tsvFormat = tsvFormat; +exports.tsvFormatRows = tsvFormatRows; +exports.easeLinear = linear$1; +exports.easeQuad = quadInOut; +exports.easeQuadIn = quadIn; +exports.easeQuadOut = quadOut; +exports.easeQuadInOut = quadInOut; +exports.easeCubic = cubicInOut; +exports.easeCubicIn = cubicIn; +exports.easeCubicOut = cubicOut; +exports.easeCubicInOut = cubicInOut; +exports.easePoly = polyInOut; +exports.easePolyIn = polyIn; +exports.easePolyOut = polyOut; +exports.easePolyInOut = polyInOut; +exports.easeSin = sinInOut; +exports.easeSinIn = sinIn; +exports.easeSinOut = sinOut; +exports.easeSinInOut = sinInOut; +exports.easeExp = expInOut; +exports.easeExpIn = expIn; +exports.easeExpOut = expOut; +exports.easeExpInOut = expInOut; +exports.easeCircle = circleInOut; +exports.easeCircleIn = circleIn; +exports.easeCircleOut = circleOut; +exports.easeCircleInOut = circleInOut; +exports.easeBounce = bounceOut; +exports.easeBounceIn = bounceIn; +exports.easeBounceOut = bounceOut; +exports.easeBounceInOut = bounceInOut; +exports.easeBack = backInOut; +exports.easeBackIn = backIn; +exports.easeBackOut = backOut; +exports.easeBackInOut = backInOut; +exports.easeElastic = elasticOut; +exports.easeElasticIn = elasticIn; +exports.easeElasticOut = elasticOut; +exports.easeElasticInOut = elasticInOut; +exports.forceCenter = center$1; +exports.forceCollide = collide; +exports.forceLink = link; +exports.forceManyBody = manyBody; +exports.forceSimulation = simulation; +exports.forceX = x$2; +exports.forceY = y$2; +exports.formatDefaultLocale = defaultLocale; +exports.formatLocale = formatLocale; +exports.formatSpecifier = formatSpecifier; +exports.precisionFixed = precisionFixed; +exports.precisionPrefix = precisionPrefix; +exports.precisionRound = precisionRound; +exports.geoArea = area; +exports.geoBounds = bounds; +exports.geoCentroid = centroid; +exports.geoCircle = circle; +exports.geoClipExtent = extent$1; +exports.geoContains = contains; +exports.geoDistance = distance; +exports.geoGraticule = graticule; +exports.geoGraticule10 = graticule10; +exports.geoInterpolate = interpolate$1; +exports.geoLength = length$1; +exports.geoPath = index$1; +exports.geoAlbers = albers; +exports.geoAlbersUsa = albersUsa; +exports.geoAzimuthalEqualArea = azimuthalEqualArea; +exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw; +exports.geoAzimuthalEquidistant = azimuthalEquidistant; +exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; +exports.geoConicConformal = conicConformal; +exports.geoConicConformalRaw = conicConformalRaw; +exports.geoConicEqualArea = conicEqualArea; +exports.geoConicEqualAreaRaw = conicEqualAreaRaw; +exports.geoConicEquidistant = conicEquidistant; +exports.geoConicEquidistantRaw = conicEquidistantRaw; +exports.geoEquirectangular = equirectangular; +exports.geoEquirectangularRaw = equirectangularRaw; +exports.geoGnomonic = gnomonic; +exports.geoGnomonicRaw = gnomonicRaw; +exports.geoIdentity = identity$5; +exports.geoProjection = projection; +exports.geoProjectionMutator = projectionMutator; +exports.geoMercator = mercator; +exports.geoMercatorRaw = mercatorRaw; +exports.geoOrthographic = orthographic; +exports.geoOrthographicRaw = orthographicRaw; +exports.geoStereographic = stereographic; +exports.geoStereographicRaw = stereographicRaw; +exports.geoTransverseMercator = transverseMercator; +exports.geoTransverseMercatorRaw = transverseMercatorRaw; +exports.geoRotation = rotation; +exports.geoStream = geoStream; +exports.geoTransform = transform; +exports.cluster = cluster; +exports.hierarchy = hierarchy; +exports.pack = index$2; +exports.packSiblings = siblings; +exports.packEnclose = enclose; +exports.partition = partition; +exports.stratify = stratify; +exports.tree = tree; +exports.treemap = index$3; +exports.treemapBinary = binary; +exports.treemapDice = treemapDice; +exports.treemapSlice = treemapSlice; +exports.treemapSliceDice = sliceDice; +exports.treemapSquarify = squarify; +exports.treemapResquarify = resquarify; +exports.interpolate = interpolateValue; +exports.interpolateArray = array$1; +exports.interpolateBasis = basis$1; +exports.interpolateBasisClosed = basisClosed; +exports.interpolateDate = date; +exports.interpolateNumber = reinterpolate; +exports.interpolateObject = object; +exports.interpolateRound = interpolateRound; +exports.interpolateString = interpolateString; +exports.interpolateTransformCss = interpolateTransformCss; +exports.interpolateTransformSvg = interpolateTransformSvg; +exports.interpolateZoom = interpolateZoom; +exports.interpolateRgb = interpolateRgb; +exports.interpolateRgbBasis = rgbBasis; +exports.interpolateRgbBasisClosed = rgbBasisClosed; +exports.interpolateHsl = hsl$2; +exports.interpolateHslLong = hslLong; +exports.interpolateLab = lab$1; +exports.interpolateHcl = hcl$2; +exports.interpolateHclLong = hclLong; +exports.interpolateCubehelix = cubehelix$2; +exports.interpolateCubehelixLong = cubehelixLong; +exports.quantize = quantize; +exports.path = path; +exports.polygonArea = area$1; +exports.polygonCentroid = centroid$1; +exports.polygonHull = hull; +exports.polygonContains = contains$1; +exports.polygonLength = length$2; +exports.quadtree = quadtree; +exports.queue = queue; exports.randomUniform = uniform; exports.randomNormal = normal; exports.randomLogNormal = logNormal; exports.randomBates = bates; exports.randomIrwinHall = irwinHall; -exports.randomExponential = exponential; -exports.easeLinear = linear; -exports.easeQuad = quadInOut; -exports.easeQuadIn = quadIn; -exports.easeQuadOut = quadOut; -exports.easeQuadInOut = quadInOut; -exports.easeCubic = cubicInOut; -exports.easeCubicIn = cubicIn; -exports.easeCubicOut = cubicOut; -exports.easeCubicInOut = cubicInOut; -exports.easePoly = polyInOut; -exports.easePolyIn = polyIn; -exports.easePolyOut = polyOut; -exports.easePolyInOut = polyInOut; -exports.easeSin = sinInOut; -exports.easeSinIn = sinIn; -exports.easeSinOut = sinOut; -exports.easeSinInOut = sinInOut; -exports.easeExp = expInOut; -exports.easeExpIn = expIn; -exports.easeExpOut = expOut; -exports.easeExpInOut = expInOut; -exports.easeCircle = circleInOut; -exports.easeCircleIn = circleIn; -exports.easeCircleOut = circleOut; -exports.easeCircleInOut = circleInOut; -exports.easeBounce = bounceOut; -exports.easeBounceIn = bounceIn; -exports.easeBounceOut = bounceOut; -exports.easeBounceInOut = bounceInOut; -exports.easeBack = backInOut; -exports.easeBackIn = backIn; -exports.easeBackOut = backOut; -exports.easeBackInOut = backInOut; -exports.easeElastic = elasticOut; -exports.easeElasticIn = elasticIn; -exports.easeElasticOut = elasticOut; -exports.easeElasticInOut = elasticInOut; -exports.polygonArea = area; -exports.polygonCentroid = centroid; -exports.polygonHull = hull; -exports.polygonContains = contains; -exports.polygonLength = length$1; -exports.path = path; -exports.quadtree = quadtree; -exports.queue = queue; +exports.randomExponential = exponential$1; +exports.request = request; +exports.html = html; +exports.json = json; +exports.text = text; +exports.xml = xml; +exports.csv = csv$1; +exports.tsv = tsv$1; +exports.scaleBand = band; +exports.scalePoint = point$1; +exports.scaleIdentity = identity$6; +exports.scaleLinear = linear$2; +exports.scaleLog = log$1; +exports.scaleOrdinal = ordinal; +exports.scaleImplicit = implicit; +exports.scalePow = pow$1; +exports.scaleSqrt = sqrt$1; +exports.scaleQuantile = quantile$$1; +exports.scaleQuantize = quantize$1; +exports.scaleThreshold = threshold$1; +exports.scaleTime = time; +exports.scaleUtc = utcTime; +exports.schemeCategory10 = category10; +exports.schemeCategory20b = category20b; +exports.schemeCategory20c = category20c; +exports.schemeCategory20 = category20; +exports.interpolateCubehelixDefault = cubehelix$3; +exports.interpolateRainbow = rainbow$1; +exports.interpolateWarm = warm; +exports.interpolateCool = cool; +exports.interpolateViridis = viridis; +exports.interpolateMagma = magma; +exports.interpolateInferno = inferno; +exports.interpolatePlasma = plasma; +exports.scaleSequential = sequential; +exports.creator = creator; +exports.local = local$1; +exports.matcher = matcher$1; +exports.mouse = mouse; +exports.namespace = namespace; +exports.namespaces = namespaces; +exports.select = select; +exports.selectAll = selectAll; +exports.selection = selection; +exports.selector = selector; +exports.selectorAll = selectorAll; +exports.touch = touch; +exports.touches = touches; +exports.window = window; +exports.customEvent = customEvent; exports.arc = arc; -exports.area = area$1; +exports.area = area$2; exports.line = line; exports.pie = pie; exports.radialArea = radialArea; exports.radialLine = radialLine$1; exports.symbol = symbol; exports.symbols = symbols; -exports.symbolCircle = circle; -exports.symbolCross = cross$1; +exports.symbolCircle = circle$2; +exports.symbolCross = cross$2; exports.symbolDiamond = diamond; exports.symbolSquare = square; exports.symbolStar = star; exports.symbolTriangle = triangle; exports.symbolWye = wye; -exports.curveBasisClosed = basisClosed; +exports.curveBasisClosed = basisClosed$1; exports.curveBasisOpen = basisOpen; -exports.curveBasis = basis; +exports.curveBasis = basis$2; exports.curveBundle = bundle; exports.curveCardinalClosed = cardinalClosed; exports.curveCardinalOpen = cardinalOpen; @@ -16132,70 +16466,23 @@ exports.curveStepAfter = stepAfter; exports.curveStepBefore = stepBefore; exports.stack = stack; exports.stackOffsetExpand = expand; -exports.stackOffsetNone = none; +exports.stackOffsetNone = none$1; exports.stackOffsetSilhouette = silhouette; exports.stackOffsetWiggle = wiggle; -exports.stackOrderAscending = ascending$1; +exports.stackOrderAscending = ascending$2; exports.stackOrderDescending = descending$2; exports.stackOrderInsideOut = insideOut; -exports.stackOrderNone = none$1; +exports.stackOrderNone = none$2; exports.stackOrderReverse = reverse; -exports.color = color; -exports.rgb = rgb; -exports.hsl = hsl; -exports.lab = lab; -exports.hcl = hcl; -exports.cubehelix = cubehelix; -exports.interpolate = interpolate; -exports.interpolateArray = array$1; -exports.interpolateDate = date; -exports.interpolateNumber = interpolateNumber; -exports.interpolateObject = object; 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-exports.selection = selection; -exports.selector = selector; -exports.selectorAll = selectorAll; -exports.touch = touch; -exports.touches = touches; -exports.window = window; +exports.now = now; +exports.timer = timer; +exports.timerFlush = timerFlush; +exports.timeout = timeout$1; +exports.interval = interval$1; +exports.transition = transition; exports.active = active; exports.interrupt = interrupt; -exports.transition = transition; -exports.axisTop = axisTop; -exports.axisRight = axisRight; -exports.axisBottom = axisBottom; -exports.axisLeft = axisLeft; -exports.cluster = cluster; -exports.hierarchy = hierarchy; -exports.pack = index; -exports.packSiblings = siblings; -exports.packEnclose = enclose; -exports.partition = partition; -exports.stratify = stratify; -exports.tree = tree; -exports.treemap = index$1; -exports.treemapBinary = binary; -exports.treemapDice = treemapDice; -exports.treemapSlice = treemapSlice; -exports.treemapSliceDice = sliceDice; -exports.treemapSquarify = squarify; -exports.treemapResquarify = resquarify; -exports.forceCenter = center$1; -exports.forceCollide = collide; -exports.forceLink = link; -exports.forceManyBody = manyBody; -exports.forceSimulation = simulation; -exports.forceX = x$3; -exports.forceY = y$3; -exports.drag = drag; -exports.dragDisable = dragDisable; -exports.dragEnable = yesdrag; exports.voronoi = voronoi; exports.zoom = zoom; -exports.zoomIdentity = identity$6; -exports.zoomTransform = transform; -exports.brush = brush; -exports.brushX = brushX; -exports.brushY = brushY; -exports.brushSelection = brushSelection; -exports.chord = chord; -exports.ribbon = ribbon; -exports.geoAlbers = albers; -exports.geoAlbersUsa = albersUsa; -exports.geoArea = area$2; -exports.geoAzimuthalEqualArea = azimuthalEqualArea; -exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw; -exports.geoAzimuthalEquidistant = azimuthalEquidistant; -exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; -exports.geoBounds = bounds; -exports.geoCentroid = centroid$1; 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2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:mc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};var yw=function(t){return new xc(t)};bc.prototype={areaStart:gw,areaEnd:gw,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:mc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};var mw=function(t){return new bc(t)};wc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:mc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};var xw=function(t){return new wc(t)};Mc.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var r,i=t[0],o=n[0],u=t[e]-i,a=n[e]-o,c=-1;++c<=e;)r=c/e,this._basis.point(this._beta*t[c]+(1-this._beta)*(i+r*u),this._beta*n[c]+(1-this._beta)*(o+r*a));this._x=this._y=null,this._basis.lineEnd()},point:function(t,n){this._x.push(+t),this._y.push(+n)}};var bw=function t(n){function e(t){return 1===n?new xc(t):new Mc(t,n)}return e.beta=function(n){return t(+n)},e}(.85);kc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:Tc(this,this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2,this._x1=t,this._y1=n;break;case 2:this._point=3;default:Tc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var ww=function t(n){function e(t){return new kc(t,n)}return e.tension=function(n){return t(+n)},e}(0);Sc.prototype={areaStart:gw,areaEnd:gw,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Tc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Mw=function t(n){function e(t){return new Sc(t,n)}return e.tension=function(n){return t(+n)},e}(0);Nc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:Tc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Tw=function t(n){function e(t){return new Nc(t,n)}return e.tension=function(n){return t(+n)},e}(0);Ac.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3 +;default:Ec(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var kw=function t(n){function e(t){return n?new Ac(t,n):new kc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);Cc.prototype={areaStart:gw,areaEnd:gw,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Ec(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Sw=function t(n){function e(t){return n?new Cc(t,n):new Sc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);zc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:Ec(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Nw=function t(n){function e(t){return n?new zc(t,n):new Nc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);Pc.prototype={areaStart:gw,areaEnd:gw,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}};var Ew=function(t){return new Pc(t)};Dc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:Uc(this,this._t0,qc(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,Uc(this,qc(this,e=Lc(this,t,n)),e);break;default:Uc(this,this._t0,e=Lc(this,t,n))}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n,this._t0=e}}},(Oc.prototype=Object.create(Dc.prototype)).point=function(t,n){Dc.prototype.point.call(this,n,t)},Fc.prototype={moveTo:function(t,n){this._context.moveTo(n,t)},closePath:function(){this._context.closePath()},lineTo:function(t,n){this._context.lineTo(n,t)},bezierCurveTo:function(t,n,e,r,i,o){this._context.bezierCurveTo(n,t,r,e,o,i)}},Bc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=[],this._y=[]},lineEnd:function(){var t=this._x,n=this._y,e=t.length;if(e)if(this._line?this._context.lineTo(t[0],n[0]):this._context.moveTo(t[0],n[0]),2===e)this._context.lineTo(t[1],n[1]);else for(var r=jc(t),i=jc(n),o=0,u=1;u=0&&(this._t=1-this._t,this._line=1-this._line)},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:if(this._t<=0)this._context.lineTo(this._x,n),this._context.lineTo(t,n);else{var e=this._x*(1-this._t)+t*this._t;this._context.lineTo(e,this._y),this._context.lineTo(e,n)}}this._x=t,this._y=n}};var Cw=function(t){return new Hc(t,.5)},zw=Array.prototype.slice,Pw=function(t,n){if((r=t.length)>1)for(var e,r,i=1,o=t[n[0]],u=o.length;i=0;)e[n]=n;return e},Lw=function(){function t(t){var o,u,a=n.apply(this,arguments),c=t.length,s=a.length,f=new Array(s);for(o=0;o0){for(var e,r,i,o=0,u=t[0].length;o0){for(var e,r=0,i=t[n[0]],o=i.length;r0&&(r=(e=t[n[0]]).length)>0){for(var e,r,i,o=0,u=1;u=a)return null;var c=t-i.site[0],s=n-i.site[1],f=c*c+s*s;do i=o.cells[r=u],u=null,i.halfedges.forEach(function(e){var r=o.edges[e],a=r.left;if(a!==i.site&&a||(a=r.right)){var c=t-a[0],s=n-a[1],l=c*c+s*s;le?(e+r)/2:Math.min(0,e)||Math.max(0,r),o>i?(i+o)/2:Math.min(0,i)||Math.max(0,o))}function o(t){return[(+t[0][0]+ +t[1][0])/2,(+t[0][1]+ +t[1][1])/2]}function u(t,n,e){t.on("start.zoom",function(){a(this,arguments).start()}).on("interrupt.zoom end.zoom",function(){a(this,arguments).end()}).tween("zoom",function(){var t=this,r=arguments,i=a(t,r),u=m.apply(t,r),c=e||o(u),s=Math.max(u[1][0]-u[0][0],u[1][1]-u[0][1]),f=t.__zoom,l="function"==typeof n?n.apply(t,r):n,h=N(f.invert(c).concat(s/f.k),l.invert(c).concat(s/l.k));return function(t){if(1===t)t=l;else{var n=h(t),e=s/n[2];t=new Es(e,c[0]-n[0]*e,c[1]-n[1]*e)}i.zoom(null,t)}})}function a(t,n){for(var e,r=0,i=A.length;r0?Ml(this).transition().duration(S).call(u,f,a):Ml(this).call(n.transform,f)}}function h(){if(y.apply(this,arguments)){var n,e,r,i,o=a(this,arguments),u=t.event.changedTouches,c=u.length;for(Cs(),e=0;e b ? 1 : a >= b ? 0 : NaN; @@ -47,6 +47,24 @@ var ascendingBisect = bisector(ascending); var bisectRight = ascendingBisect.right; var bisectLeft = ascendingBisect.left; +var pairs = function(array, f) { + if (f == null) f = pair; + var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n); + while (i < n) pairs[i] = f(p, p = array[++i]); + return pairs; +}; + +function pair(a, b) { + return [a, b]; +} + +var cross = function(a, b, f) { + var na = a.length, nb = b.length, c = new Array(na * nb), ia, ib, ic, va; + if (f == null) f = pair; + for (ia = ic = 0; ia < na; ++ia) for (va = a[ia], ib = 0; ib < nb; ++ib, ++ic) c[ic] = f(va, b[ib]); + return c; +}; + var descending = function(a, b) { return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; }; @@ -123,7 +141,7 @@ var array = Array.prototype; var slice = array.slice; var map = array.map; -var constant$1 = function(x) { +var constant = function(x) { return function() { return x; }; @@ -133,7 +151,7 @@ var identity = function(x) { return x; }; -var range = function(start, stop, step) { +var sequence = function(start, stop, step) { start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; var i = -1, @@ -153,7 +171,7 @@ var e2 = Math.sqrt(2); var ticks = function(start, stop, count) { var step = tickStep(start, stop, count); - return range( + return sequence( Math.ceil(start / step) * step, Math.floor(stop / step) * step + step / 2, // inclusive step @@ -224,15 +242,15 @@ var histogram = function() { } histogram.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$1(_), histogram) : value; + return arguments.length ? (value = typeof _ === "function" ? _ : constant(_), histogram) : value; }; histogram.domain = function(_) { - return arguments.length ? (domain = typeof _ === "function" ? _ : constant$1([_[0], _[1]]), histogram) : domain; + return arguments.length ? (domain = typeof _ === "function" ? _ : constant([_[0], _[1]]), histogram) : domain; }; histogram.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$1(slice.call(_)) : constant$1(_), histogram) : threshold; + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), histogram) : threshold; }; return histogram; @@ -355,12 +373,6 @@ var min = function(array, f) { return a; }; -var pairs = function(array) { - var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n); - while (i < n) pairs[i] = [p, p = array[++i]]; - return pairs; -}; - var permute = function(array, indexes) { var i = indexes.length, permutes = new Array(i); while (i--) permutes[i] = array[indexes[i]]; @@ -432,15582 +444,15732 @@ var zip = function() { return transpose(arguments); }; -var prefix = "$"; - -function Map() {} +var slice$1 = Array.prototype.slice; -Map.prototype = map$1.prototype = { - constructor: Map, - has: function(key) { - return (prefix + key) in this; - }, - get: function(key) { - return this[prefix + key]; - }, - set: function(key, value) { - this[prefix + key] = value; - return this; - }, - remove: function(key) { - var property = prefix + key; - return property in this && delete this[property]; - }, - clear: function() { - for (var property in this) if (property[0] === prefix) delete this[property]; - }, - keys: function() { - var keys = []; - for (var property in this) if (property[0] === prefix) keys.push(property.slice(1)); - return keys; - }, - values: function() { - var values = []; - for (var property in this) if (property[0] === prefix) values.push(this[property]); - return values; - }, - entries: function() { - var entries = []; - for (var property in this) if (property[0] === prefix) entries.push({key: property.slice(1), value: this[property]}); - return entries; - }, - size: function() { - var size = 0; - for (var property in this) if (property[0] === prefix) ++size; - return size; - }, - empty: function() { - for (var property in this) if (property[0] === prefix) return false; - return true; - }, - each: function(f) { - for (var property in this) if (property[0] === prefix) f(this[property], property.slice(1), this); - } +var identity$1 = function(x) { + return x; }; -function map$1(object, f) { - var map = new Map; - - // Copy constructor. - if (object instanceof Map) object.each(function(value, key) { map.set(key, value); }); - - // Index array by numeric index or specified key function. - else if (Array.isArray(object)) { - var i = -1, - n = object.length, - o; - - if (f == null) while (++i < n) map.set(i, object[i]); - else while (++i < n) map.set(f(o = object[i], i, object), o); - } +var top = 1; +var right = 2; +var bottom = 3; +var left = 4; +var epsilon = 1e-6; - // Convert object to map. - else if (object) for (var key in object) map.set(key, object[key]); +function translateX(x) { + return "translate(" + x + ",0)"; +} - return map; +function translateY(y) { + return "translate(0," + y + ")"; } -var nest = function() { - var keys = [], - sortKeys = [], - sortValues, - rollup, - nest; +function center(scale) { + var offset = scale.bandwidth() / 2; + if (scale.round()) offset = Math.round(offset); + return function(d) { + return scale(d) + offset; + }; +} - function apply(array, depth, createResult, setResult) { - if (depth >= keys.length) return rollup != null - ? rollup(array) : (sortValues != null - ? array.sort(sortValues) - : array); +function entering() { + return !this.__axis; +} - var i = -1, - n = array.length, - key = keys[depth++], - keyValue, - value, - valuesByKey = map$1(), - values, - result = createResult(); +function axis(orient, scale) { + var tickArguments = [], + tickValues = null, + tickFormat = null, + tickSizeInner = 6, + tickSizeOuter = 6, + tickPadding = 3, + k = orient === top || orient === left ? -1 : 1, + x, y = orient === left || orient === right ? (x = "x", "y") : (x = "y", "x"), + transform = orient === top || orient === bottom ? translateX : translateY; - while (++i < n) { - if (values = valuesByKey.get(keyValue = key(value = array[i]) + "")) { - values.push(value); - } else { - valuesByKey.set(keyValue, [value]); - } - } + function axis(context) { + var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues, + format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$1) : tickFormat, + spacing = Math.max(tickSizeInner, 0) + tickPadding, + range = scale.range(), + range0 = range[0] + 0.5, + range1 = range[range.length - 1] + 0.5, + position = (scale.bandwidth ? center : identity$1)(scale.copy()), + selection = context.selection ? context.selection() : context, + path = selection.selectAll(".domain").data([null]), + tick = selection.selectAll(".tick").data(values, scale).order(), + tickExit = tick.exit(), + tickEnter = tick.enter().append("g").attr("class", "tick"), + line = tick.select("line"), + text = tick.select("text"); - valuesByKey.each(function(values, key) { - setResult(result, key, apply(values, depth, createResult, setResult)); - }); + path = path.merge(path.enter().insert("path", ".tick") + .attr("class", "domain") + .attr("stroke", "#000")); - return result; - } + tick = tick.merge(tickEnter); - function entries(map, depth) { - if (++depth > keys.length) return map; - var array, sortKey = sortKeys[depth - 1]; - if (rollup != null && depth >= keys.length) array = map.entries(); - else array = [], map.each(function(v, k) { array.push({key: k, values: entries(v, depth)}); }); - return sortKey != null ? array.sort(function(a, b) { return sortKey(a.key, b.key); }) : array; - } + line = line.merge(tickEnter.append("line") + .attr("stroke", "#000") + .attr(x + "2", k * tickSizeInner) + .attr(y + "1", 0.5) + .attr(y + "2", 0.5)); - return nest = { - object: function(array) { return apply(array, 0, createObject, setObject); }, - map: function(array) { return apply(array, 0, createMap, setMap); }, - entries: function(array) { return entries(apply(array, 0, createMap, setMap), 0); }, - key: function(d) { keys.push(d); return nest; }, - sortKeys: function(order) { sortKeys[keys.length - 1] = order; return nest; }, - sortValues: function(order) { sortValues = order; return nest; }, - rollup: function(f) { rollup = f; return nest; } - }; -}; + text = text.merge(tickEnter.append("text") + .attr("fill", "#000") + .attr(x, k * spacing) + .attr(y, 0.5) + .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); -function createObject() { - return {}; -} + if (context !== selection) { + path = path.transition(context); + tick = tick.transition(context); + line = line.transition(context); + text = text.transition(context); -function setObject(object, key, value) { - object[key] = value; -} + tickExit = tickExit.transition(context) + .attr("opacity", epsilon) + .attr("transform", function(d) { return isFinite(d = position(d)) ? transform(d) : this.getAttribute("transform"); }); -function createMap() { - return map$1(); -} + tickEnter + .attr("opacity", epsilon) + .attr("transform", function(d) { var p = this.parentNode.__axis; return transform(p && isFinite(p = p(d)) ? p : position(d)); }); + } -function setMap(map, key, value) { - map.set(key, value); -} + tickExit.remove(); -function Set() {} + path + .attr("d", orient === left || orient == right + ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter + : "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter); -var proto = map$1.prototype; + tick + .attr("opacity", 1) + .attr("transform", function(d) { return transform(position(d)); }); -Set.prototype = set.prototype = { - constructor: Set, - has: proto.has, - add: function(value) { - value += ""; - this[prefix + value] = value; - return this; - }, - remove: proto.remove, - clear: proto.clear, - values: proto.keys, - size: proto.size, - empty: proto.empty, - each: proto.each -}; + line + .attr(x + "2", k * tickSizeInner); -function set(object, f) { - var set = new Set; + text + .attr(x, k * spacing) + .text(format); - // Copy constructor. - if (object instanceof Set) object.each(function(value) { set.add(value); }); + selection.filter(entering) + .attr("fill", "none") + .attr("font-size", 10) + .attr("font-family", "sans-serif") + .attr("text-anchor", orient === right ? "start" : orient === left ? "end" : "middle"); - // Otherwise, assume it’s an array. - else if (object) { - var i = -1, n = object.length; - if (f == null) while (++i < n) set.add(object[i]); - else while (++i < n) set.add(f(object[i], i, object)); + selection + .each(function() { this.__axis = position; }); } - return set; -} + axis.scale = function(_) { + return arguments.length ? (scale = _, axis) : scale; + }; -var keys = function(map) { - var keys = []; - for (var key in map) keys.push(key); - return keys; -}; + axis.ticks = function() { + return tickArguments = slice$1.call(arguments), axis; + }; -var values = function(map) { - var values = []; - for (var key in map) values.push(map[key]); - return values; -}; - -var entries = function(map) { - var entries = []; - for (var key in map) entries.push({key: key, value: map[key]}); - return entries; -}; - -var uniform = function(min, max) { - min = min == null ? 0 : +min; - max = max == null ? 1 : +max; - if (arguments.length === 1) max = min, min = 0; - else max -= min; - return function() { - return Math.random() * max + min; + axis.tickArguments = function(_) { + return arguments.length ? (tickArguments = _ == null ? [] : slice$1.call(_), axis) : tickArguments.slice(); }; -}; - -var normal = function(mu, sigma) { - var x, r; - mu = mu == null ? 0 : +mu; - sigma = sigma == null ? 1 : +sigma; - return function() { - var y; - - // If available, use the second previously-generated uniform random. - if (x != null) y = x, x = null; - // Otherwise, generate a new x and y. - else do { - x = Math.random() * 2 - 1; - y = Math.random() * 2 - 1; - r = x * x + y * y; - } while (!r || r > 1); + axis.tickValues = function(_) { + return arguments.length ? (tickValues = _ == null ? null : slice$1.call(_), axis) : tickValues && tickValues.slice(); + }; - return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); + axis.tickFormat = function(_) { + return arguments.length ? (tickFormat = _, axis) : tickFormat; }; -}; -var logNormal = function() { - var randomNormal = normal.apply(this, arguments); - return function() { - return Math.exp(randomNormal()); + axis.tickSize = function(_) { + return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner; }; -}; -var irwinHall = function(n) { - return function() { - for (var sum = 0, i = 0; i < n; ++i) sum += Math.random(); - return sum; + axis.tickSizeInner = function(_) { + return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner; }; -}; -var bates = function(n) { - var randomIrwinHall = irwinHall(n); - return function() { - return randomIrwinHall() / n; + axis.tickSizeOuter = function(_) { + return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter; }; -}; -var exponential = function(lambda) { - return function() { - return -Math.log(1 - Math.random()) / lambda; + axis.tickPadding = function(_) { + return arguments.length ? (tickPadding = +_, axis) : tickPadding; }; -}; -function linear(t) { - return +t; + return axis; } -function quadIn(t) { - return t * t; +function axisTop(scale) { + return axis(top, scale); } -function quadOut(t) { - return t * (2 - t); +function axisRight(scale) { + return axis(right, scale); } -function quadInOut(t) { - return ((t *= 2) <= 1 ? t * t : --t * (2 - t) + 1) / 2; +function axisBottom(scale) { + return axis(bottom, scale); } -function cubicIn(t) { - return t * t * t; +function axisLeft(scale) { + return axis(left, scale); } -function cubicOut(t) { - return --t * t * t + 1; -} +var noop = {value: function() {}}; -function cubicInOut(t) { - return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2; +function dispatch() { + for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { + if (!(t = arguments[i] + "") || (t in _)) throw new Error("illegal type: " + t); + _[t] = []; + } + return new Dispatch(_); } -var exponent = 3; - -var polyIn = (function custom(e) { - e = +e; +function Dispatch(_) { + this._ = _; +} - function polyIn(t) { - return Math.pow(t, e); - } +function parseTypenames(typenames, types) { + return typenames.trim().split(/^|\s+/).map(function(t) { + var name = "", i = t.indexOf("."); + if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); + if (t && !types.hasOwnProperty(t)) throw new Error("unknown type: " + t); + return {type: t, name: name}; + }); +} - polyIn.exponent = custom; +Dispatch.prototype = dispatch.prototype = { + constructor: Dispatch, + on: function(typename, callback) { + var _ = this._, + T = parseTypenames(typename + "", _), + t, + i = -1, + n = T.length; - return polyIn; -})(exponent); + // If no callback was specified, return the callback of the given type and name. + if (arguments.length < 2) { + while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t; + return; + } -var polyOut = (function custom(e) { - e = +e; + // If a type was specified, set the callback for the given type and name. + // Otherwise, if a null callback was specified, remove callbacks of the given name. + if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback); + while (++i < n) { + if (t = (typename = T[i]).type) _[t] = set(_[t], typename.name, callback); + else if (callback == null) for (t in _) _[t] = set(_[t], typename.name, null); + } - function polyOut(t) { - return 1 - Math.pow(1 - t, e); + return this; + }, + copy: function() { + var copy = {}, _ = this._; + for (var t in _) copy[t] = _[t].slice(); + return new Dispatch(copy); + }, + call: function(type, that) { + if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) args[i] = arguments[i + 2]; + if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); + for (t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); + }, + apply: function(type, that, args) { + if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); + for (var t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); } +}; - polyOut.exponent = custom; - - return polyOut; -})(exponent); - -var polyInOut = (function custom(e) { - e = +e; - - function polyInOut(t) { - return ((t *= 2) <= 1 ? Math.pow(t, e) : 2 - Math.pow(2 - t, e)) / 2; +function get(type, name) { + for (var i = 0, n = type.length, c; i < n; ++i) { + if ((c = type[i]).name === name) { + return c.value; + } } +} - polyInOut.exponent = custom; +function set(type, name, callback) { + for (var i = 0, n = type.length; i < n; ++i) { + if (type[i].name === name) { + type[i] = noop, type = type.slice(0, i).concat(type.slice(i + 1)); + break; + } + } + if (callback != null) type.push({name: name, value: callback}); + return type; +} - return polyInOut; -})(exponent); +var xhtml = "http://www.w3.org/1999/xhtml"; -var pi = Math.PI; -var halfPi = pi / 2; +var namespaces = { + svg: "http://www.w3.org/2000/svg", + xhtml: xhtml, + xlink: "http://www.w3.org/1999/xlink", + xml: "http://www.w3.org/XML/1998/namespace", + xmlns: "http://www.w3.org/2000/xmlns/" +}; -function sinIn(t) { - return 1 - Math.cos(t * halfPi); -} +var namespace = function(name) { + var prefix = name += "", i = prefix.indexOf(":"); + if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); + return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; +}; -function sinOut(t) { - return Math.sin(t * halfPi); +function creatorInherit(name) { + return function() { + var document = this.ownerDocument, + uri = this.namespaceURI; + return uri === xhtml && document.documentElement.namespaceURI === xhtml + ? document.createElement(name) + : document.createElementNS(uri, name); + }; } -function sinInOut(t) { - return (1 - Math.cos(pi * t)) / 2; +function creatorFixed(fullname) { + return function() { + return this.ownerDocument.createElementNS(fullname.space, fullname.local); + }; } -function expIn(t) { - return Math.pow(2, 10 * t - 10); -} +var creator = function(name) { + var fullname = namespace(name); + return (fullname.local + ? creatorFixed + : creatorInherit)(fullname); +}; -function expOut(t) { - return 1 - Math.pow(2, -10 * t); -} +var nextId = 0; -function expInOut(t) { - return ((t *= 2) <= 1 ? Math.pow(2, 10 * t - 10) : 2 - Math.pow(2, 10 - 10 * t)) / 2; +function local$1() { + return new Local; } -function circleIn(t) { - return 1 - Math.sqrt(1 - t * t); +function Local() { + this._ = "@" + (++nextId).toString(36); } -function circleOut(t) { - return Math.sqrt(1 - --t * t); -} +Local.prototype = local$1.prototype = { + constructor: Local, + get: function(node) { + var id = this._; + while (!(id in node)) if (!(node = node.parentNode)) return; + return node[id]; + }, + set: function(node, value) { + return node[this._] = value; + }, + remove: function(node) { + return this._ in node && delete node[this._]; + }, + toString: function() { + return this._; + } +}; -function circleInOut(t) { - return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2; +var matcher = function(selector) { + return function() { + return this.matches(selector); + }; +}; + +if (typeof document !== "undefined") { + var element = document.documentElement; + if (!element.matches) { + var vendorMatches = element.webkitMatchesSelector + || element.msMatchesSelector + || element.mozMatchesSelector + || element.oMatchesSelector; + matcher = function(selector) { + return function() { + return vendorMatches.call(this, selector); + }; + }; + } } -var b1 = 4 / 11; -var b2 = 6 / 11; -var b3 = 8 / 11; -var b4 = 3 / 4; -var b5 = 9 / 11; -var b6 = 10 / 11; -var b7 = 15 / 16; -var b8 = 21 / 22; -var b9 = 63 / 64; -var b0 = 1 / b1 / b1; +var matcher$1 = matcher; -function bounceIn(t) { - return 1 - bounceOut(1 - t); +var filterEvents = {}; + +exports.event = null; + +if (typeof document !== "undefined") { + var element$1 = document.documentElement; + if (!("onmouseenter" in element$1)) { + filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; + } } -function bounceOut(t) { - return (t = +t) < b1 ? b0 * t * t : t < b3 ? b0 * (t -= b2) * t + b4 : t < b6 ? b0 * (t -= b5) * t + b7 : b0 * (t -= b8) * t + b9; +function filterContextListener(listener, index, group) { + listener = contextListener(listener, index, group); + return function(event) { + var related = event.relatedTarget; + if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { + listener.call(this, event); + } + }; } -function bounceInOut(t) { - return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2; +function contextListener(listener, index, group) { + return function(event1) { + var event0 = exports.event; // Events can be reentrant (e.g., focus). + exports.event = event1; + try { + listener.call(this, this.__data__, index, group); + } finally { + exports.event = event0; + } + }; } -var overshoot = 1.70158; +function parseTypenames$1(typenames) { + return typenames.trim().split(/^|\s+/).map(function(t) { + var name = "", i = t.indexOf("."); + if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); + return {type: t, name: name}; + }); +} -var backIn = (function custom(s) { - s = +s; +function onRemove(typename) { + return function() { + var on = this.__on; + if (!on) return; + for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { + if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { + this.removeEventListener(o.type, o.listener, o.capture); + } else { + on[++i] = o; + } + } + if (++i) on.length = i; + else delete this.__on; + }; +} - function backIn(t) { - return t * t * ((s + 1) * t - s); - } +function onAdd(typename, value, capture) { + var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; + return function(d, i, group) { + var on = this.__on, o, listener = wrap(value, i, group); + if (on) for (var j = 0, m = on.length; j < m; ++j) { + if ((o = on[j]).type === typename.type && o.name === typename.name) { + this.removeEventListener(o.type, o.listener, o.capture); + this.addEventListener(o.type, o.listener = listener, o.capture = capture); + o.value = value; + return; + } + } + this.addEventListener(typename.type, listener, capture); + o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; + if (!on) this.__on = [o]; + else on.push(o); + }; +} - backIn.overshoot = custom; +var selection_on = function(typename, value, capture) { + var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t; - return backIn; -})(overshoot); + if (arguments.length < 2) { + var on = this.node().__on; + if (on) for (var j = 0, m = on.length, o; j < m; ++j) { + for (i = 0, o = on[j]; i < n; ++i) { + if ((t = typenames[i]).type === o.type && t.name === o.name) { + return o.value; + } + } + } + return; + } -var backOut = (function custom(s) { - s = +s; + on = value ? onAdd : onRemove; + if (capture == null) capture = false; + for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); + return this; +}; - function backOut(t) { - return --t * t * ((s + 1) * t + s) + 1; +function customEvent(event1, listener, that, args) { + var event0 = exports.event; + event1.sourceEvent = exports.event; + exports.event = event1; + try { + return listener.apply(that, args); + } finally { + exports.event = event0; } +} - backOut.overshoot = custom; - - return backOut; -})(overshoot); +var sourceEvent = function() { + var current = exports.event, source; + while (source = current.sourceEvent) current = source; + return current; +}; -var backInOut = (function custom(s) { - s = +s; +var point = function(node, event) { + var svg = node.ownerSVGElement || node; - function backInOut(t) { - return ((t *= 2) < 1 ? t * t * ((s + 1) * t - s) : (t -= 2) * t * ((s + 1) * t + s) + 2) / 2; + if (svg.createSVGPoint) { + var point = svg.createSVGPoint(); + point.x = event.clientX, point.y = event.clientY; + point = point.matrixTransform(node.getScreenCTM().inverse()); + return [point.x, point.y]; } - backInOut.overshoot = custom; + var rect = node.getBoundingClientRect(); + return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; +}; - return backInOut; -})(overshoot); +var mouse = function(node) { + var event = sourceEvent(); + if (event.changedTouches) event = event.changedTouches[0]; + return point(node, event); +}; -var tau = 2 * Math.PI; -var amplitude = 1; -var period = 0.3; +function none() {} -var elasticIn = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); +var selector = function(selector) { + return selector == null ? none : function() { + return this.querySelector(selector); + }; +}; - function elasticIn(t) { - return a * Math.pow(2, 10 * --t) * Math.sin((s - t) / p); +var selection_select = function(select) { + if (typeof select !== "function") select = selector(select); + + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { + if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { + if ("__data__" in node) subnode.__data__ = node.__data__; + subgroup[i] = subnode; + } + } } - elasticIn.amplitude = function(a) { return custom(a, p * tau); }; - elasticIn.period = function(p) { return custom(a, p); }; + return new Selection(subgroups, this._parents); +}; - return elasticIn; -})(amplitude, period); +function empty$1() { + return []; +} -var elasticOut = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); +var selectorAll = function(selector) { + return selector == null ? empty$1 : function() { + return this.querySelectorAll(selector); + }; +}; - function elasticOut(t) { - return 1 - a * Math.pow(2, -10 * (t = +t)) * Math.sin((t + s) / p); - } +var selection_selectAll = function(select) { + if (typeof select !== "function") select = selectorAll(select); - elasticOut.amplitude = function(a) { return custom(a, p * tau); }; - elasticOut.period = function(p) { return custom(a, p); }; + for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + subgroups.push(select.call(node, node.__data__, i, group)); + parents.push(node); + } + } + } - return elasticOut; -})(amplitude, period); + return new Selection(subgroups, parents); +}; -var elasticInOut = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); +var selection_filter = function(match) { + if (typeof match !== "function") match = matcher$1(match); - function elasticInOut(t) { - return ((t = t * 2 - 1) < 0 - ? a * Math.pow(2, 10 * t) * Math.sin((s - t) / p) - : 2 - a * Math.pow(2, -10 * t) * Math.sin((s + t) / p)) / 2; + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { + if ((node = group[i]) && match.call(node, node.__data__, i, group)) { + subgroup.push(node); + } + } } - elasticInOut.amplitude = function(a) { return custom(a, p * tau); }; - elasticInOut.period = function(p) { return custom(a, p); }; - - return elasticInOut; -})(amplitude, period); + return new Selection(subgroups, this._parents); +}; -var area = function(polygon) { - var i = -1, - n = polygon.length, - a, - b = polygon[n - 1], - area = 0; +var sparse = function(update) { + return new Array(update.length); +}; - while (++i < n) { - a = b; - b = polygon[i]; - area += a[1] * b[0] - a[0] * b[1]; - } - - return area / 2; +var selection_enter = function() { + return new Selection(this._enter || this._groups.map(sparse), this._parents); }; -var centroid = function(polygon) { - var i = -1, - n = polygon.length, - x = 0, - y = 0, - a, - b = polygon[n - 1], - c, - k = 0; - - while (++i < n) { - a = b; - b = polygon[i]; - k += c = a[0] * b[1] - b[0] * a[1]; - x += (a[0] + b[0]) * c; - y += (a[1] + b[1]) * c; - } +function EnterNode(parent, datum) { + this.ownerDocument = parent.ownerDocument; + this.namespaceURI = parent.namespaceURI; + this._next = null; + this._parent = parent; + this.__data__ = datum; +} - return k *= 3, [x / k, y / k]; +EnterNode.prototype = { + constructor: EnterNode, + appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, + insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, + querySelector: function(selector) { return this._parent.querySelector(selector); }, + querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } }; -// Returns the 2D cross product of AB and AC vectors, i.e., the z-component of -// the 3D cross product in a quadrant I Cartesian coordinate system (+x is -// right, +y is up). Returns a positive value if ABC is counter-clockwise, -// negative if clockwise, and zero if the points are collinear. -var cross = function(a, b, c) { - return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); +var constant$1 = function(x) { + return function() { + return x; + }; }; -function lexicographicOrder(a, b) { - return a[0] - b[0] || a[1] - b[1]; +var keyPrefix = "$"; // Protect against keys like “__proto__”. + +function bindIndex(parent, group, enter, update, exit, data) { + var i = 0, + node, + groupLength = group.length, + dataLength = data.length; + + // Put any non-null nodes that fit into update. + // Put any null nodes into enter. + // Put any remaining data into enter. + for (; i < dataLength; ++i) { + if (node = group[i]) { + node.__data__ = data[i]; + update[i] = node; + } else { + enter[i] = new EnterNode(parent, data[i]); + } + } + + // Put any non-null nodes that don’t fit into exit. + for (; i < groupLength; ++i) { + if (node = group[i]) { + exit[i] = node; + } + } } -// Computes the upper convex hull per the monotone chain algorithm. -// Assumes points.length >= 3, is sorted by x, unique in y. -// Returns an array of indices into points in left-to-right order. -function computeUpperHullIndexes(points) { - var n = points.length, - indexes = [0, 1], - size = 2; +function bindKey(parent, group, enter, update, exit, data, key) { + var i, + node, + nodeByKeyValue = {}, + groupLength = group.length, + dataLength = data.length, + keyValues = new Array(groupLength), + keyValue; - for (var i = 2; i < n; ++i) { - while (size > 1 && cross(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size; - indexes[size++] = i; + // Compute the key for each node. + // If multiple nodes have the same key, the duplicates are added to exit. + for (i = 0; i < groupLength; ++i) { + if (node = group[i]) { + keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group); + if (keyValue in nodeByKeyValue) { + exit[i] = node; + } else { + nodeByKeyValue[keyValue] = node; + } + } } - return indexes.slice(0, size); // remove popped points + // Compute the key for each datum. + // If there a node associated with this key, join and add it to update. + // If there is not (or the key is a duplicate), add it to enter. + for (i = 0; i < dataLength; ++i) { + keyValue = keyPrefix + key.call(parent, data[i], i, data); + if (node = nodeByKeyValue[keyValue]) { + update[i] = node; + node.__data__ = data[i]; + nodeByKeyValue[keyValue] = null; + } else { + enter[i] = new EnterNode(parent, data[i]); + } + } + + // Add any remaining nodes that were not bound to data to exit. + for (i = 0; i < groupLength; ++i) { + if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) { + exit[i] = node; + } + } } -var hull = function(points) { - if ((n = points.length) < 3) return null; +var selection_data = function(value, key) { + if (!value) { + data = new Array(this.size()), j = -1; + this.each(function(d) { data[++j] = d; }); + return data; + } - var i, - n, - sortedPoints = new Array(n), - flippedPoints = new Array(n); + var bind = key ? bindKey : bindIndex, + parents = this._parents, + groups = this._groups; - for (i = 0; i < n; ++i) sortedPoints[i] = [+points[i][0], +points[i][1], i]; - sortedPoints.sort(lexicographicOrder); - for (i = 0; i < n; ++i) flippedPoints[i] = [sortedPoints[i][0], -sortedPoints[i][1]]; + if (typeof value !== "function") value = constant$1(value); - var upperIndexes = computeUpperHullIndexes(sortedPoints), - lowerIndexes = computeUpperHullIndexes(flippedPoints); + for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) { + var parent = parents[j], + group = groups[j], + groupLength = group.length, + data = value.call(parent, parent && parent.__data__, j, parents), + dataLength = data.length, + enterGroup = enter[j] = new Array(dataLength), + updateGroup = update[j] = new Array(dataLength), + exitGroup = exit[j] = new Array(groupLength); - // Construct the hull polygon, removing possible duplicate endpoints. - var skipLeft = lowerIndexes[0] === upperIndexes[0], - skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1], - hull = []; + bind(parent, group, enterGroup, updateGroup, exitGroup, data, key); - // Add upper hull in right-to-l order. - // Then add lower hull in left-to-right order. - for (i = upperIndexes.length - 1; i >= 0; --i) hull.push(points[sortedPoints[upperIndexes[i]][2]]); - for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]); + // Now connect the enter nodes to their following update node, such that + // appendChild can insert the materialized enter node before this node, + // rather than at the end of the parent node. + for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) { + if (previous = enterGroup[i0]) { + if (i0 >= i1) i1 = i0 + 1; + while (!(next = updateGroup[i1]) && ++i1 < dataLength); + previous._next = next || null; + } + } + } - return hull; + update = new Selection(update, parents); + update._enter = enter; + update._exit = exit; + return update; }; -var contains = function(polygon, point) { - var n = polygon.length, - p = polygon[n - 1], - x = point[0], y = point[1], - x0 = p[0], y0 = p[1], - x1, y1, - inside = false; +var selection_exit = function() { + return new Selection(this._exit || this._groups.map(sparse), this._parents); +}; - for (var i = 0; i < n; ++i) { - p = polygon[i], x1 = p[0], y1 = p[1]; - if (((y1 > y) !== (y0 > y)) && (x < (x0 - x1) * (y - y1) / (y0 - y1) + x1)) inside = !inside; - x0 = x1, y0 = y1; +var selection_merge = function(selection) { + + for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group0[i] || group1[i]) { + merge[i] = node; + } + } } - return inside; + for (; j < m0; ++j) { + merges[j] = groups0[j]; + } + + return new Selection(merges, this._parents); }; -var length$1 = function(polygon) { - var i = -1, - n = polygon.length, - b = polygon[n - 1], - xa, - ya, - xb = b[0], - yb = b[1], - perimeter = 0; +var selection_order = function() { - while (++i < n) { - xa = xb; - ya = yb; - b = polygon[i]; - xb = b[0]; - yb = b[1]; - xa -= xb; - ya -= yb; - perimeter += Math.sqrt(xa * xa + ya * ya); + for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { + for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) { + if (node = group[i]) { + if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); + next = node; + } + } } - return perimeter; + return this; }; -var pi$1 = Math.PI; -var tau$1 = 2 * pi$1; -var epsilon = 1e-6; -var tauEpsilon = tau$1 - epsilon; +var selection_sort = function(compare) { + if (!compare) compare = ascending$1; -function Path() { - this._x0 = this._y0 = // start of current subpath - this._x1 = this._y1 = null; // end of current subpath - this._ = ""; -} + function compareNode(a, b) { + return a && b ? compare(a.__data__, b.__data__) : !a - !b; + } -function path() { - return new Path; -} + for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group[i]) { + sortgroup[i] = node; + } + } + sortgroup.sort(compareNode); + } -Path.prototype = path.prototype = { - constructor: Path, - moveTo: function(x, y) { - this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y); - }, - closePath: function() { - if (this._x1 !== null) { - this._x1 = this._x0, this._y1 = this._y0; - this._ += "Z"; - } - }, - lineTo: function(x, y) { - this._ += "L" + (this._x1 = +x) + "," + (this._y1 = +y); - }, - quadraticCurveTo: function(x1, y1, x, y) { - this._ += "Q" + (+x1) + "," + (+y1) + "," + (this._x1 = +x) + "," + (this._y1 = +y); - }, - bezierCurveTo: function(x1, y1, x2, y2, x, y) { - this._ += "C" + (+x1) + "," + (+y1) + "," + (+x2) + "," + (+y2) + "," + (this._x1 = +x) + "," + (this._y1 = +y); - }, - arcTo: function(x1, y1, x2, y2, r) { - x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r; - var x0 = this._x1, - y0 = this._y1, - x21 = x2 - x1, - y21 = y2 - y1, - x01 = x0 - x1, - y01 = y0 - y1, - l01_2 = x01 * x01 + y01 * y01; - - // Is the radius negative? Error. - if (r < 0) throw new Error("negative radius: " + r); - - // Is this path empty? Move to (x1,y1). - if (this._x1 === null) { - this._ += "M" + (this._x1 = x1) + "," + (this._y1 = y1); - } + return new Selection(sortgroups, this._parents).order(); +}; - // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. - else if (!(l01_2 > epsilon)) {} +function ascending$1(a, b) { + return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; +} - // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? - // Equivalently, is (x1,y1) coincident with (x2,y2)? - // Or, is the radius zero? Line to (x1,y1). - else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon) || !r) { - this._ += "L" + (this._x1 = x1) + "," + (this._y1 = y1); - } +var selection_call = function() { + var callback = arguments[0]; + arguments[0] = this; + callback.apply(null, arguments); + return this; +}; - // Otherwise, draw an arc! - else { - var x20 = x2 - x0, - y20 = y2 - y0, - l21_2 = x21 * x21 + y21 * y21, - l20_2 = x20 * x20 + y20 * y20, - l21 = Math.sqrt(l21_2), - l01 = Math.sqrt(l01_2), - l = r * Math.tan((pi$1 - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2), - t01 = l / l01, - t21 = l / l21; +var selection_nodes = function() { + var nodes = new Array(this.size()), i = -1; + this.each(function() { nodes[++i] = this; }); + return nodes; +}; - // If the start tangent is not coincident with (x0,y0), line to. - if (Math.abs(t01 - 1) > epsilon) { - this._ += "L" + (x1 + t01 * x01) + "," + (y1 + t01 * y01); - } +var selection_node = function() { - this._ += "A" + r + "," + r + ",0,0," + (+(y01 * x20 > x01 * y20)) + "," + (this._x1 = x1 + t21 * x21) + "," + (this._y1 = y1 + t21 * y21); + for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { + for (var group = groups[j], i = 0, n = group.length; i < n; ++i) { + var node = group[i]; + if (node) return node; } - }, - arc: function(x, y, r, a0, a1, ccw) { - x = +x, y = +y, r = +r; - var dx = r * Math.cos(a0), - dy = r * Math.sin(a0), - x0 = x + dx, - y0 = y + dy, - cw = 1 ^ ccw, - da = ccw ? a0 - a1 : a1 - a0; - - // Is the radius negative? Error. - if (r < 0) throw new Error("negative radius: " + r); + } - // Is this path empty? Move to (x0,y0). - if (this._x1 === null) { - this._ += "M" + x0 + "," + y0; - } + return null; +}; - // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). - else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) { - this._ += "L" + x0 + "," + y0; - } +var selection_size = function() { + var size = 0; + this.each(function() { ++size; }); + return size; +}; - // Is this arc empty? We’re done. - if (!r) return; +var selection_empty = function() { + return !this.node(); +}; - // Is this a complete circle? Draw two arcs to complete the circle. - if (da > tauEpsilon) { - this._ += "A" + r + "," + r + ",0,1," + cw + "," + (x - dx) + "," + (y - dy) + "A" + r + "," + r + ",0,1," + cw + "," + (this._x1 = x0) + "," + (this._y1 = y0); - } +var selection_each = function(callback) { - // Otherwise, draw an arc! - else { - if (da < 0) da = da % tau$1 + tau$1; - this._ += "A" + r + "," + r + ",0," + (+(da >= pi$1)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1)); + for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { + for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { + if (node = group[i]) callback.call(node, node.__data__, i, group); } - }, - rect: function(x, y, w, h) { - this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y) + "h" + (+w) + "v" + (+h) + "h" + (-w) + "Z"; - }, - toString: function() { - return this._; } -}; -var tree_add = function(d) { - var x = +this._x.call(null, d), - y = +this._y.call(null, d); - return add(this.cover(x, y), x, y, d); + return this; }; -function add(tree, x, y, d) { - if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points +function attrRemove(name) { + return function() { + this.removeAttribute(name); + }; +} - var parent, - node = tree._root, - leaf = {data: d}, - x0 = tree._x0, - y0 = tree._y0, - x1 = tree._x1, - y1 = tree._y1, - xm, - ym, - xp, - yp, - right, - bottom, - i, - j; +function attrRemoveNS(fullname) { + return function() { + this.removeAttributeNS(fullname.space, fullname.local); + }; +} - // If the tree is empty, initialize the root as a leaf. - if (!node) return tree._root = leaf, tree; +function attrConstant(name, value) { + return function() { + this.setAttribute(name, value); + }; +} - // Find the existing leaf for the new point, or add it. - while (node.length) { - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree; - } +function attrConstantNS(fullname, value) { + return function() { + this.setAttributeNS(fullname.space, fullname.local, value); + }; +} - // Is the new point is exactly coincident with the existing point? - xp = +tree._x.call(null, node.data); - yp = +tree._y.call(null, node.data); - if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree; +function attrFunction(name, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.removeAttribute(name); + else this.setAttribute(name, v); + }; +} - // Otherwise, split the leaf node until the old and new point are separated. - do { - parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4); - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm))); - return parent[j] = node, parent[i] = leaf, tree; +function attrFunctionNS(fullname, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.removeAttributeNS(fullname.space, fullname.local); + else this.setAttributeNS(fullname.space, fullname.local, v); + }; } -function addAll(data) { - var d, i, n = data.length, - x, - y, - xz = new Array(n), - yz = new Array(n), - x0 = Infinity, - y0 = Infinity, - x1 = -Infinity, - y1 = -Infinity; +var selection_attr = function(name, value) { + var fullname = namespace(name); - // Compute the points and their extent. - for (i = 0; i < n; ++i) { - if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue; - xz[i] = x; - yz[i] = y; - if (x < x0) x0 = x; - if (x > x1) x1 = x; - if (y < y0) y0 = y; - if (y > y1) y1 = y; + if (arguments.length < 2) { + var node = this.node(); + return fullname.local + ? node.getAttributeNS(fullname.space, fullname.local) + : node.getAttribute(fullname); } - // If there were no (valid) points, inherit the existing extent. - if (x1 < x0) x0 = this._x0, x1 = this._x1; - if (y1 < y0) y0 = this._y0, y1 = this._y1; + return this.each((value == null + ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" + ? (fullname.local ? attrFunctionNS : attrFunction) + : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); +}; - // Expand the tree to cover the new points. - this.cover(x0, y0).cover(x1, y1); +var window = function(node) { + return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node + || (node.document && node) // node is a Window + || node.defaultView; // node is a Document +}; - // Add the new points. - for (i = 0; i < n; ++i) { - add(this, xz[i], yz[i], data[i]); - } +function styleRemove(name) { + return function() { + this.style.removeProperty(name); + }; +} - return this; +function styleConstant(name, value, priority) { + return function() { + this.style.setProperty(name, value, priority); + }; } -var tree_cover = function(x, y) { - if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points - - var x0 = this._x0, - y0 = this._y0, - x1 = this._x1, - y1 = this._y1; - - // If the quadtree has no extent, initialize them. - // Integer extent are necessary so that if we later double the extent, - // the existing quadrant boundaries don’t change due to floating point error! - if (isNaN(x0)) { - x1 = (x0 = Math.floor(x)) + 1; - y1 = (y0 = Math.floor(y)) + 1; - } - - // Otherwise, double repeatedly to cover. - else if (x0 > x || x > x1 || y0 > y || y > y1) { - var z = x1 - x0, - node = this._root, - parent, - i; +function styleFunction(name, value, priority) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.style.removeProperty(name); + else this.style.setProperty(name, v, priority); + }; +} - switch (i = (y < (y0 + y1) / 2) << 1 | (x < (x0 + x1) / 2)) { - case 0: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x1 = x0 + z, y1 = y0 + z, x > x1 || y > y1); - break; - } - case 1: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x0 = x1 - z, y1 = y0 + z, x0 > x || y > y1); - break; - } - case 2: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x1 = x0 + z, y0 = y1 - z, x > x1 || y0 > y); - break; - } - case 3: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x0 = x1 - z, y0 = y1 - z, x0 > x || y0 > y); - break; - } - } +var selection_style = function(name, value, priority) { + var node; + return arguments.length > 1 + ? this.each((value == null + ? styleRemove : typeof value === "function" + ? styleFunction + : styleConstant)(name, value, priority == null ? "" : priority)) + : window(node = this.node()) + .getComputedStyle(node, null) + .getPropertyValue(name); +}; - if (this._root && this._root.length) this._root = node; - } +function propertyRemove(name) { + return function() { + delete this[name]; + }; +} - // If the quadtree covers the point already, just return. - else return this; +function propertyConstant(name, value) { + return function() { + this[name] = value; + }; +} - this._x0 = x0; - this._y0 = y0; - this._x1 = x1; - this._y1 = y1; - return this; -}; +function propertyFunction(name, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) delete this[name]; + else this[name] = v; + }; +} -var tree_data = function() { - var data = []; - this.visit(function(node) { - if (!node.length) do data.push(node.data); while (node = node.next) - }); - return data; +var selection_property = function(name, value) { + return arguments.length > 1 + ? this.each((value == null + ? propertyRemove : typeof value === "function" + ? propertyFunction + : propertyConstant)(name, value)) + : this.node()[name]; }; -var tree_extent = function(_) { - return arguments.length - ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) - : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; -}; +function classArray(string) { + return string.trim().split(/^|\s+/); +} -var Quad = function(node, x0, y0, x1, y1) { - this.node = node; - this.x0 = x0; - this.y0 = y0; - this.x1 = x1; - this.y1 = y1; -}; +function classList(node) { + return node.classList || new ClassList(node); +} -var tree_find = function(x, y, radius) { - var data, - x0 = this._x0, - y0 = this._y0, - x1, - y1, - x2, - y2, - x3 = this._x1, - y3 = this._y1, - quads = [], - node = this._root, - q, - i; +function ClassList(node) { + this._node = node; + this._names = classArray(node.getAttribute("class") || ""); +} - if (node) quads.push(new Quad(node, x0, y0, x3, y3)); - if (radius == null) radius = Infinity; - else { - x0 = x - radius, y0 = y - radius; - x3 = x + radius, y3 = y + radius; - radius *= radius; +ClassList.prototype = { + add: function(name) { + var i = this._names.indexOf(name); + if (i < 0) { + this._names.push(name); + this._node.setAttribute("class", this._names.join(" ")); + } + }, + remove: function(name) { + var i = this._names.indexOf(name); + if (i >= 0) { + this._names.splice(i, 1); + this._node.setAttribute("class", this._names.join(" ")); + } + }, + contains: function(name) { + return this._names.indexOf(name) >= 0; } +}; - while (q = quads.pop()) { +function classedAdd(node, names) { + var list = classList(node), i = -1, n = names.length; + while (++i < n) list.add(names[i]); +} - // Stop searching if this quadrant can’t contain a closer node. - if (!(node = q.node) - || (x1 = q.x0) > x3 - || (y1 = q.y0) > y3 - || (x2 = q.x1) < x0 - || (y2 = q.y1) < y0) continue; +function classedRemove(node, names) { + var list = classList(node), i = -1, n = names.length; + while (++i < n) list.remove(names[i]); +} - // Bisect the current quadrant. - if (node.length) { - var xm = (x1 + x2) / 2, - ym = (y1 + y2) / 2; +function classedTrue(names) { + return function() { + classedAdd(this, names); + }; +} - quads.push( - new Quad(node[3], xm, ym, x2, y2), - new Quad(node[2], x1, ym, xm, y2), - new Quad(node[1], xm, y1, x2, ym), - new Quad(node[0], x1, y1, xm, ym) - ); +function classedFalse(names) { + return function() { + classedRemove(this, names); + }; +} - // Visit the closest quadrant first. - if (i = (y >= ym) << 1 | (x >= xm)) { - q = quads[quads.length - 1]; - quads[quads.length - 1] = quads[quads.length - 1 - i]; - quads[quads.length - 1 - i] = q; - } - } +function classedFunction(names, value) { + return function() { + (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names); + }; +} - // Visit this point. (Visiting coincident points isn’t necessary!) - else { - var dx = x - +this._x.call(null, node.data), - dy = y - +this._y.call(null, node.data), - d2 = dx * dx + dy * dy; - if (d2 < radius) { - var d = Math.sqrt(radius = d2); - x0 = x - d, y0 = y - d; - x3 = x + d, y3 = y + d; - data = node.data; - } - } +var selection_classed = function(name, value) { + var names = classArray(name + ""); + + if (arguments.length < 2) { + var list = classList(this.node()), i = -1, n = names.length; + while (++i < n) if (!list.contains(names[i])) return false; + return true; } - return data; + return this.each((typeof value === "function" + ? classedFunction : value + ? classedTrue + : classedFalse)(names, value)); }; -var tree_remove = function(d) { - if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points - - var parent, - node = this._root, - retainer, - previous, - next, - x0 = this._x0, - y0 = this._y0, - x1 = this._x1, - y1 = this._y1, - x, - y, - xm, - ym, - right, - bottom, - i, - j; +function textRemove() { + this.textContent = ""; +} - // If the tree is empty, initialize the root as a leaf. - if (!node) return this; - - // Find the leaf node for the point. - // While descending, also retain the deepest parent with a non-removed sibling. - if (node.length) while (true) { - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - if (!(parent = node, node = node[i = bottom << 1 | right])) return this; - if (!node.length) break; - if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i; - } +function textConstant(value) { + return function() { + this.textContent = value; + }; +} - // Find the point to remove. - while (node.data !== d) if (!(previous = node, node = node.next)) return this; - if (next = node.next) delete node.next; +function textFunction(value) { + return function() { + var v = value.apply(this, arguments); + this.textContent = v == null ? "" : v; + }; +} - // If there are multiple coincident points, remove just the point. - if (previous) return (next ? previous.next = next : delete previous.next), this; +var selection_text = function(value) { + return arguments.length + ? this.each(value == null + ? textRemove : (typeof value === "function" + ? textFunction + : textConstant)(value)) + : this.node().textContent; +}; - // If this is the root point, remove it. - if (!parent) return this._root = next, this; +function htmlRemove() { + this.innerHTML = ""; +} - // Remove this leaf. - next ? parent[i] = next : delete parent[i]; +function htmlConstant(value) { + return function() { + this.innerHTML = value; + }; +} - // If the parent now contains exactly one leaf, collapse superfluous parents. - if ((node = parent[0] || parent[1] || parent[2] || parent[3]) - && node === (parent[3] || parent[2] || parent[1] || parent[0]) - && !node.length) { - if (retainer) retainer[j] = node; - else this._root = node; - } +function htmlFunction(value) { + return function() { + var v = value.apply(this, arguments); + this.innerHTML = v == null ? "" : v; + }; +} - return this; +var selection_html = function(value) { + return arguments.length + ? this.each(value == null + ? htmlRemove : (typeof value === "function" + ? htmlFunction + : htmlConstant)(value)) + : this.node().innerHTML; }; -function removeAll(data) { - for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); - return this; +function raise() { + if (this.nextSibling) this.parentNode.appendChild(this); } -var tree_root = function() { - return this._root; +var selection_raise = function() { + return this.each(raise); }; -var tree_size = function() { - var size = 0; - this.visit(function(node) { - if (!node.length) do ++size; while (node = node.next) - }); - return size; -}; +function lower() { + if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); +} -var tree_visit = function(callback) { - var quads = [], q, node = this._root, child, x0, y0, x1, y1; - if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); - while (q = quads.pop()) { - if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) { - var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; - if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); - if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); - if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); - if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); - } - } - return this; +var selection_lower = function() { + return this.each(lower); }; -var tree_visitAfter = function(callback) { - var quads = [], next = [], q; - if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); - while (q = quads.pop()) { - var node = q.node; - if (node.length) { - var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; - if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); - if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); - if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); - if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); - } - next.push(q); - } - while (q = next.pop()) { - callback(q.node, q.x0, q.y0, q.x1, q.y1); - } - return this; +var selection_append = function(name) { + var create = typeof name === "function" ? name : creator(name); + return this.select(function() { + return this.appendChild(create.apply(this, arguments)); + }); }; -function defaultX(d) { - return d[0]; +function constantNull() { + return null; } -var tree_x = function(_) { - return arguments.length ? (this._x = _, this) : this._x; +var selection_insert = function(name, before) { + var create = typeof name === "function" ? name : creator(name), + select = before == null ? constantNull : typeof before === "function" ? before : selector(before); + return this.select(function() { + return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); + }); }; -function defaultY(d) { - return d[1]; +function remove() { + var parent = this.parentNode; + if (parent) parent.removeChild(this); } -var tree_y = function(_) { - return arguments.length ? (this._y = _, this) : this._y; +var selection_remove = function() { + return this.each(remove); }; -function quadtree(nodes, x, y) { - var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); - return nodes == null ? tree : tree.addAll(nodes); +var selection_datum = function(value) { + return arguments.length + ? this.property("__data__", value) + : this.node().__data__; +}; + +function dispatchEvent(node, type, params) { + var window$$1 = window(node), + event = window$$1.CustomEvent; + + if (event) { + event = new event(type, params); + } else { + event = window$$1.document.createEvent("Event"); + if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; + else event.initEvent(type, false, false); + } + + node.dispatchEvent(event); } -function Quadtree(x, y, x0, y0, x1, y1) { - this._x = x; - this._y = y; - this._x0 = x0; - this._y0 = y0; - this._x1 = x1; - this._y1 = y1; - this._root = undefined; +function dispatchConstant(type, params) { + return function() { + return dispatchEvent(this, type, params); + }; } -function leaf_copy(leaf) { - var copy = {data: leaf.data}, next = copy; - while (leaf = leaf.next) next = next.next = {data: leaf.data}; - return copy; +function dispatchFunction(type, params) { + return function() { + return dispatchEvent(this, type, params.apply(this, arguments)); + }; } -var treeProto = quadtree.prototype = Quadtree.prototype; +var selection_dispatch = function(type, params) { + return this.each((typeof params === "function" + ? dispatchFunction + : dispatchConstant)(type, params)); +}; -treeProto.copy = function() { - var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), - node = this._root, - nodes, - child; +var root = [null]; - if (!node) return copy; +function Selection(groups, parents) { + this._groups = groups; + this._parents = parents; +} - if (!node.length) return copy._root = leaf_copy(node), copy; +function selection() { + return new Selection([[document.documentElement]], root); +} - nodes = [{source: node, target: copy._root = new Array(4)}]; - while (node = nodes.pop()) { - for (var i = 0; i < 4; ++i) { - if (child = node.source[i]) { - if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)}); - else node.target[i] = leaf_copy(child); - } - } - } +Selection.prototype = selection.prototype = { + constructor: Selection, + select: selection_select, + selectAll: selection_selectAll, + filter: selection_filter, + data: selection_data, + enter: selection_enter, + exit: selection_exit, + merge: selection_merge, + order: selection_order, + sort: selection_sort, + call: selection_call, + nodes: selection_nodes, + node: selection_node, + size: selection_size, + empty: selection_empty, + each: selection_each, + attr: selection_attr, + style: selection_style, + property: selection_property, + classed: selection_classed, + text: selection_text, + html: selection_html, + raise: selection_raise, + lower: selection_lower, + append: selection_append, + insert: selection_insert, + remove: selection_remove, + datum: selection_datum, + on: selection_on, + dispatch: selection_dispatch +}; - return copy; +var select = function(selector) { + return typeof selector === "string" + ? new Selection([[document.querySelector(selector)]], [document.documentElement]) + : new Selection([[selector]], root); }; -treeProto.add = tree_add; -treeProto.addAll = addAll; -treeProto.cover = tree_cover; -treeProto.data = tree_data; -treeProto.extent = tree_extent; -treeProto.find = tree_find; -treeProto.remove = tree_remove; -treeProto.removeAll = removeAll; -treeProto.root = tree_root; -treeProto.size = tree_size; -treeProto.visit = tree_visit; -treeProto.visitAfter = tree_visitAfter; -treeProto.x = tree_x; -treeProto.y = tree_y; - -var slice$1 = [].slice; - -var noabort = {}; +var selectAll = function(selector) { + return typeof selector === "string" + ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) + : new Selection([selector == null ? [] : selector], root); +}; -function Queue(size) { - if (!(size >= 1)) throw new Error; - this._size = size; - this._call = - this._error = null; - this._tasks = []; - this._data = []; - this._waiting = - this._active = - this._ended = - this._start = 0; // inside a synchronous task callback? -} +var touch = function(node, touches, identifier) { + if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; -Queue.prototype = queue.prototype = { - constructor: Queue, - defer: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; - if (this._error != null) return this; - var t = slice$1.call(arguments, 1); - t.push(callback); - ++this._waiting, this._tasks.push(t); - poke(this); - return this; - }, - abort: function() { - if (this._error == null) abort(this, new Error("abort")); - return this; - }, - await: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; - this._call = function(error, results) { callback.apply(null, [error].concat(results)); }; - maybeNotify(this); - return this; - }, - awaitAll: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; - this._call = callback; - maybeNotify(this); - return this; + for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) { + if ((touch = touches[i]).identifier === identifier) { + return point(node, touch); + } } + + return null; }; -function poke(q) { - if (!q._start) { - try { start(q); } // let the current task complete - catch (e) { - if (q._tasks[q._ended + q._active - 1]) abort(q, e); // task errored synchronously - else if (!q._data) throw e; // await callback errored synchronously - } - } -} +var touches = function(node, touches) { + if (touches == null) touches = sourceEvent().touches; -function start(q) { - while (q._start = q._waiting && q._active < q._size) { - var i = q._ended + q._active, - t = q._tasks[i], - j = t.length - 1, - c = t[j]; - t[j] = end(q, i); - --q._waiting, ++q._active; - t = c.apply(null, t); - if (!q._tasks[i]) continue; // task finished synchronously - q._tasks[i] = t || noabort; + for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) { + points[i] = point(node, touches[i]); } -} -function end(q, i) { - return function(e, r) { - if (!q._tasks[i]) return; // ignore multiple callbacks - --q._active, ++q._ended; - q._tasks[i] = null; - if (q._error != null) return; // ignore secondary errors - if (e != null) { - abort(q, e); - } else { - q._data[i] = r; - if (q._waiting) poke(q); - else maybeNotify(q); - } - }; + return points; +}; + +function nopropagation() { + exports.event.stopImmediatePropagation(); } -function abort(q, e) { - var i = q._tasks.length, t; - q._error = e; // ignore active callbacks - q._data = undefined; // allow gc - q._waiting = NaN; // prevent starting +var noevent = function() { + exports.event.preventDefault(); + exports.event.stopImmediatePropagation(); +}; - while (--i >= 0) { - if (t = q._tasks[i]) { - q._tasks[i] = null; - if (t.abort) { - try { t.abort(); } - catch (e) { /* ignore */ } - } - } +var dragDisable = function(view) { + var root = view.document.documentElement, + selection$$1 = select(view).on("dragstart.drag", noevent, true); + if ("onselectstart" in root) { + selection$$1.on("selectstart.drag", noevent, true); + } else { + root.__noselect = root.style.MozUserSelect; + root.style.MozUserSelect = "none"; } +}; - q._active = NaN; // allow notification - maybeNotify(q); -} - -function maybeNotify(q) { - if (!q._active && q._call) { - var d = q._data; - q._data = undefined; // allow gc - q._call(q._error, d); +function yesdrag(view, noclick) { + var root = view.document.documentElement, + selection$$1 = select(view).on("dragstart.drag", null); + if (noclick) { + selection$$1.on("click.drag", noevent, true); + setTimeout(function() { selection$$1.on("click.drag", null); }, 0); + } + if ("onselectstart" in root) { + selection$$1.on("selectstart.drag", null); + } else { + root.style.MozUserSelect = root.__noselect; + delete root.__noselect; } -} - -function queue(concurrency) { - return new Queue(arguments.length ? +concurrency : Infinity); } var constant$2 = function(x) { - return function constant() { + return function() { return x; }; }; -var epsilon$1 = 1e-12; -var pi$2 = Math.PI; -var halfPi$1 = pi$2 / 2; -var tau$2 = 2 * pi$2; - -function arcInnerRadius(d) { - return d.innerRadius; -} - -function arcOuterRadius(d) { - return d.outerRadius; +function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) { + this.target = target; + this.type = type; + this.subject = subject; + this.identifier = id; + this.active = active; + this.x = x; + this.y = y; + this.dx = dx; + this.dy = dy; + this._ = dispatch; } -function arcStartAngle(d) { - return d.startAngle; -} +DragEvent.prototype.on = function() { + var value = this._.on.apply(this._, arguments); + return value === this._ ? this : value; +}; -function arcEndAngle(d) { - return d.endAngle; +// Ignore right-click, since that should open the context menu. +function defaultFilter$1() { + return !exports.event.button; } -function arcPadAngle(d) { - return d && d.padAngle; // Note: optional! +function defaultContainer() { + return this.parentNode; } -function asin(x) { - return x >= 1 ? halfPi$1 : x <= -1 ? -halfPi$1 : Math.asin(x); +function defaultSubject(d) { + return d == null ? {x: exports.event.x, y: exports.event.y} : d; } -function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { - var x10 = x1 - x0, y10 = y1 - y0, - x32 = x3 - x2, y32 = y3 - y2, - t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / (y32 * x10 - x32 * y10); - return [x0 + t * x10, y0 + t * y10]; -} +var drag = function() { + var filter = defaultFilter$1, + container = defaultContainer, + subject = defaultSubject, + gestures = {}, + listeners = dispatch("start", "drag", "end"), + active = 0, + mousemoving, + touchending; -// Compute perpendicular offset line of length rc. -// http://mathworld.wolfram.com/Circle-LineIntersection.html -function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { - var x01 = x0 - x1, - y01 = y0 - y1, - lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), - ox = lo * y01, - oy = -lo * x01, - x11 = x0 + ox, - y11 = y0 + oy, - x10 = x1 + ox, - y10 = y1 + oy, - x00 = (x11 + x10) / 2, - y00 = (y11 + y10) / 2, - dx = x10 - x11, - dy = y10 - y11, - d2 = dx * dx + dy * dy, - r = r1 - rc, - D = x11 * y10 - x10 * y11, - d = (dy < 0 ? -1 : 1) * Math.sqrt(Math.max(0, r * r * d2 - D * D)), - cx0 = (D * dy - dx * d) / d2, - cy0 = (-D * dx - dy * d) / d2, - cx1 = (D * dy + dx * d) / d2, - cy1 = (-D * dx + dy * d) / d2, - dx0 = cx0 - x00, - dy0 = cy0 - y00, - dx1 = cx1 - x00, - dy1 = cy1 - y00; + function drag(selection$$1) { + selection$$1 + .on("mousedown.drag", mousedowned) + .on("touchstart.drag", touchstarted) + .on("touchmove.drag", touchmoved) + .on("touchend.drag touchcancel.drag", touchended) + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); + } - // Pick the closer of the two intersection points. - // TODO Is there a faster way to determine which intersection to use? - if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; + function mousedowned() { + if (touchending || !filter.apply(this, arguments)) return; + var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments); + if (!gesture) return; + select(exports.event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); + dragDisable(exports.event.view); + nopropagation(); + mousemoving = false; + gesture("start"); + } - return { - cx: cx0, - cy: cy0, - x01: -ox, - y01: -oy, - x11: cx0 * (r1 / r - 1), - y11: cy0 * (r1 / r - 1) - }; -} - -var arc = function() { - var innerRadius = arcInnerRadius, - outerRadius = arcOuterRadius, - cornerRadius = constant$2(0), - padRadius = null, - startAngle = arcStartAngle, - endAngle = arcEndAngle, - padAngle = arcPadAngle, - context = null; - - function arc() { - var buffer, - r, - r0 = +innerRadius.apply(this, arguments), - r1 = +outerRadius.apply(this, arguments), - a0 = startAngle.apply(this, arguments) - halfPi$1, - a1 = endAngle.apply(this, arguments) - halfPi$1, - da = Math.abs(a1 - a0), - cw = a1 > a0; - - if (!context) context = buffer = path(); + function mousemoved() { + noevent(); + mousemoving = true; + gestures.mouse("drag"); + } - // Ensure that the outer radius is always larger than the inner radius. - if (r1 < r0) r = r1, r1 = r0, r0 = r; + function mouseupped() { + select(exports.event.view).on("mousemove.drag mouseup.drag", null); + yesdrag(exports.event.view, mousemoving); + noevent(); + gestures.mouse("end"); + } - // Is it a point? - if (!(r1 > epsilon$1)) context.moveTo(0, 0); + function touchstarted() { + if (!filter.apply(this, arguments)) return; + var touches$$1 = exports.event.changedTouches, + c = container.apply(this, arguments), + n = touches$$1.length, i, gesture; - // Or is it a circle or annulus? - else if (da > tau$2 - epsilon$1) { - context.moveTo(r1 * Math.cos(a0), r1 * Math.sin(a0)); - context.arc(0, 0, r1, a0, a1, !cw); - if (r0 > epsilon$1) { - context.moveTo(r0 * Math.cos(a1), r0 * Math.sin(a1)); - context.arc(0, 0, r0, a1, a0, cw); + for (i = 0; i < n; ++i) { + if (gesture = beforestart(touches$$1[i].identifier, c, touch, this, arguments)) { + nopropagation(); + gesture("start"); } } + } - // Or is it a circular or annular sector? - else { - var a01 = a0, - a11 = a1, - a00 = a0, - a10 = a1, - da0 = da, - da1 = da, - ap = padAngle.apply(this, arguments) / 2, - rp = (ap > epsilon$1) && (padRadius ? +padRadius.apply(this, arguments) : Math.sqrt(r0 * r0 + r1 * r1)), - rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments)), - rc0 = rc, - rc1 = rc, - t0, - t1; - - // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0. - if (rp > epsilon$1) { - var p0 = asin(rp / r0 * Math.sin(ap)), - p1 = asin(rp / r1 * Math.sin(ap)); - if ((da0 -= p0 * 2) > epsilon$1) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0; - else da0 = 0, a00 = a10 = (a0 + a1) / 2; - if ((da1 -= p1 * 2) > epsilon$1) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1; - else da1 = 0, a01 = a11 = (a0 + a1) / 2; - } - - var x01 = r1 * Math.cos(a01), - y01 = r1 * Math.sin(a01), - x10 = r0 * Math.cos(a10), - y10 = r0 * Math.sin(a10); - - // Apply rounded corners? - if (rc > epsilon$1) { - var x11 = r1 * Math.cos(a11), - y11 = r1 * Math.sin(a11), - x00 = r0 * Math.cos(a00), - y00 = r0 * Math.sin(a00); - - // Restrict the corner radius according to the sector angle. - if (da < pi$2) { - var oc = da0 > epsilon$1 ? intersect(x01, y01, x00, y00, x11, y11, x10, y10) : [x10, y10], - ax = x01 - oc[0], - ay = y01 - oc[1], - bx = x11 - oc[0], - by = y11 - oc[1], - kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), - lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]); - rc0 = Math.min(rc, (r0 - lc) / (kc - 1)); - rc1 = Math.min(rc, (r1 - lc) / (kc + 1)); - } - } - - // Is the sector collapsed to a line? - if (!(da1 > epsilon$1)) context.moveTo(x01, y01); - - // Does the sector’s outer ring have rounded corners? - else if (rc1 > epsilon$1) { - t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw); - t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw); - - context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01); - - // Have the corners merged? - if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw); + function touchmoved() { + var touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, gesture; - // Otherwise, draw the two corners and the ring. - else { - context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw); - context.arc(0, 0, r1, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), !cw); - context.arc(t1.cx, t1.cy, rc1, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw); - } + for (i = 0; i < n; ++i) { + if (gesture = gestures[touches$$1[i].identifier]) { + noevent(); + gesture("drag"); } + } + } - // Or is the outer ring just a circular arc? - else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw); - - // Is there no inner ring, and it’s a circular sector? - // Or perhaps it’s an annular sector collapsed due to padding? - if (!(r0 > epsilon$1) || !(da0 > epsilon$1)) context.lineTo(x10, y10); - - // Does the sector’s inner ring (or point) have rounded corners? - else if (rc0 > epsilon$1) { - t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw); - t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw); - - context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01); - - // Have the corners merged? - if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw); + function touchended() { + var touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, gesture; - // Otherwise, draw the two corners and the ring. - else { - context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw); - context.arc(0, 0, r0, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), cw); - context.arc(t1.cx, t1.cy, rc0, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw); - } + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! + for (i = 0; i < n; ++i) { + if (gesture = gestures[touches$$1[i].identifier]) { + nopropagation(); + gesture("end"); } - - // Or is the inner ring just a circular arc? - else context.arc(0, 0, r0, a10, a00, cw); } - - context.closePath(); - - if (buffer) return context = null, buffer + "" || null; } - arc.centroid = function() { - var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, - a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi$2 / 2; - return [Math.cos(a) * r, Math.sin(a) * r]; - }; - - arc.innerRadius = function(_) { - return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$2(+_), arc) : innerRadius; - }; - - arc.outerRadius = function(_) { - return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$2(+_), arc) : outerRadius; - }; + function beforestart(id, container, point, that, args) { + var p = point(container, id), s, dx, dy, + sublisteners = listeners.copy(); - arc.cornerRadius = function(_) { - return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$2(+_), arc) : cornerRadius; - }; + if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { + if ((exports.event.subject = s = subject.apply(that, args)) == null) return false; + dx = s.x - p[0] || 0; + dy = s.y - p[1] || 0; + return true; + })) return; - arc.padRadius = function(_) { - return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$2(+_), arc) : padRadius; - }; + return function gesture(type) { + var p0 = p, n; + switch (type) { + case "start": gestures[id] = gesture, n = active++; break; + case "end": delete gestures[id], --active; // nobreak + case "drag": p = point(container, id), n = active; break; + } + customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); + }; + } - arc.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$2(+_), arc) : startAngle; + drag.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$2(!!_), drag) : filter; }; - arc.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$2(+_), arc) : endAngle; + drag.container = function(_) { + return arguments.length ? (container = typeof _ === "function" ? _ : constant$2(_), drag) : container; }; - arc.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$2(+_), arc) : padAngle; + drag.subject = function(_) { + return arguments.length ? (subject = typeof _ === "function" ? _ : constant$2(_), drag) : subject; }; - arc.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), arc) : context; + drag.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? drag : value; }; - return arc; -}; - -function Linear(context) { - this._context = context; -} - -Linear.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed - default: this._context.lineTo(x, y); break; - } - } + return drag; }; -var curveLinear = function(context) { - return new Linear(context); +var define = function(constructor, factory, prototype) { + constructor.prototype = factory.prototype = prototype; + prototype.constructor = constructor; }; -function x(p) { - return p[0]; -} - -function y(p) { - return p[1]; +function extend(parent, definition) { + var prototype = Object.create(parent.prototype); + for (var key in definition) prototype[key] = definition[key]; + return prototype; } -var line = function() { - var x$$1 = x, - y$$1 = y, - defined = constant$2(true), - context = null, - curve = curveLinear, - output = null; - - function line(data) { - var i, - n = data.length, - d, - defined0 = false, - buffer; +function Color() {} - if (context == null) output = curve(buffer = path()); +var darker = 0.7; +var brighter = 1 / darker; - for (i = 0; i <= n; ++i) { - if (!(i < n && defined(d = data[i], i, data)) === defined0) { - if (defined0 = !defined0) output.lineStart(); - else output.lineEnd(); - } - if (defined0) output.point(+x$$1(d, i, data), +y$$1(d, i, data)); - } +var reI = "\\s*([+-]?\\d+)\\s*"; +var reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*"; +var reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*"; +var reHex3 = /^#([0-9a-f]{3})$/; +var reHex6 = /^#([0-9a-f]{6})$/; +var reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"); +var reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"); +var reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"); +var reRgbaPercent = new RegExp("^rgba\\(" + [reP, reP, reP, reN] + "\\)$"); +var reHslPercent = new RegExp("^hsl\\(" + [reN, reP, reP] + "\\)$"); +var reHslaPercent = new RegExp("^hsla\\(" + [reN, reP, reP, reN] + "\\)$"); - if (buffer) return output = null, buffer + "" || null; - } - - line.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$2(+_), line) : x$$1; - }; - - line.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$2(+_), line) : y$$1; - }; - - line.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$2(!!_), line) : defined; - }; - - line.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; - }; - - line.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; - }; - - return line; +var named = { + aliceblue: 0xf0f8ff, + antiquewhite: 0xfaebd7, + aqua: 0x00ffff, + aquamarine: 0x7fffd4, + azure: 0xf0ffff, + beige: 0xf5f5dc, + bisque: 0xffe4c4, + black: 0x000000, + blanchedalmond: 0xffebcd, + blue: 0x0000ff, + blueviolet: 0x8a2be2, + brown: 0xa52a2a, + burlywood: 0xdeb887, + cadetblue: 0x5f9ea0, + chartreuse: 0x7fff00, + chocolate: 0xd2691e, + coral: 0xff7f50, + cornflowerblue: 0x6495ed, + cornsilk: 0xfff8dc, + crimson: 0xdc143c, + cyan: 0x00ffff, + darkblue: 0x00008b, + darkcyan: 0x008b8b, + darkgoldenrod: 0xb8860b, + darkgray: 0xa9a9a9, + darkgreen: 0x006400, + darkgrey: 0xa9a9a9, + darkkhaki: 0xbdb76b, + darkmagenta: 0x8b008b, + darkolivegreen: 0x556b2f, + darkorange: 0xff8c00, + darkorchid: 0x9932cc, + darkred: 0x8b0000, + darksalmon: 0xe9967a, + darkseagreen: 0x8fbc8f, + darkslateblue: 0x483d8b, + darkslategray: 0x2f4f4f, + darkslategrey: 0x2f4f4f, + darkturquoise: 0x00ced1, + darkviolet: 0x9400d3, + deeppink: 0xff1493, + deepskyblue: 0x00bfff, + dimgray: 0x696969, + dimgrey: 0x696969, + dodgerblue: 0x1e90ff, + firebrick: 0xb22222, + floralwhite: 0xfffaf0, + forestgreen: 0x228b22, + fuchsia: 0xff00ff, + gainsboro: 0xdcdcdc, + ghostwhite: 0xf8f8ff, + gold: 0xffd700, + goldenrod: 0xdaa520, + gray: 0x808080, + green: 0x008000, + greenyellow: 0xadff2f, + grey: 0x808080, + honeydew: 0xf0fff0, + hotpink: 0xff69b4, + indianred: 0xcd5c5c, + indigo: 0x4b0082, + ivory: 0xfffff0, + khaki: 0xf0e68c, + lavender: 0xe6e6fa, + lavenderblush: 0xfff0f5, + lawngreen: 0x7cfc00, + lemonchiffon: 0xfffacd, + lightblue: 0xadd8e6, + lightcoral: 0xf08080, + lightcyan: 0xe0ffff, + lightgoldenrodyellow: 0xfafad2, + lightgray: 0xd3d3d3, + lightgreen: 0x90ee90, + lightgrey: 0xd3d3d3, + lightpink: 0xffb6c1, + lightsalmon: 0xffa07a, + lightseagreen: 0x20b2aa, + lightskyblue: 0x87cefa, + lightslategray: 0x778899, + lightslategrey: 0x778899, + lightsteelblue: 0xb0c4de, + lightyellow: 0xffffe0, + lime: 0x00ff00, + limegreen: 0x32cd32, + linen: 0xfaf0e6, + magenta: 0xff00ff, + maroon: 0x800000, + mediumaquamarine: 0x66cdaa, + mediumblue: 0x0000cd, + mediumorchid: 0xba55d3, + mediumpurple: 0x9370db, + mediumseagreen: 0x3cb371, + mediumslateblue: 0x7b68ee, + mediumspringgreen: 0x00fa9a, + mediumturquoise: 0x48d1cc, + mediumvioletred: 0xc71585, + midnightblue: 0x191970, + mintcream: 0xf5fffa, + mistyrose: 0xffe4e1, + moccasin: 0xffe4b5, + navajowhite: 0xffdead, + navy: 0x000080, + oldlace: 0xfdf5e6, + olive: 0x808000, + olivedrab: 0x6b8e23, + orange: 0xffa500, + orangered: 0xff4500, + orchid: 0xda70d6, + palegoldenrod: 0xeee8aa, + palegreen: 0x98fb98, + paleturquoise: 0xafeeee, + palevioletred: 0xdb7093, + papayawhip: 0xffefd5, + peachpuff: 0xffdab9, + peru: 0xcd853f, + pink: 0xffc0cb, + plum: 0xdda0dd, + powderblue: 0xb0e0e6, + purple: 0x800080, + rebeccapurple: 0x663399, + red: 0xff0000, + rosybrown: 0xbc8f8f, + royalblue: 0x4169e1, + saddlebrown: 0x8b4513, + salmon: 0xfa8072, + sandybrown: 0xf4a460, + seagreen: 0x2e8b57, + seashell: 0xfff5ee, + sienna: 0xa0522d, + silver: 0xc0c0c0, + skyblue: 0x87ceeb, + slateblue: 0x6a5acd, + slategray: 0x708090, + slategrey: 0x708090, + snow: 0xfffafa, + springgreen: 0x00ff7f, + steelblue: 0x4682b4, + tan: 0xd2b48c, + teal: 0x008080, + thistle: 0xd8bfd8, + tomato: 0xff6347, + turquoise: 0x40e0d0, + violet: 0xee82ee, + wheat: 0xf5deb3, + white: 0xffffff, + whitesmoke: 0xf5f5f5, + yellow: 0xffff00, + yellowgreen: 0x9acd32 }; -var area$1 = function() { - var x0 = x, - x1 = null, - y0 = constant$2(0), - y1 = y, - defined = constant$2(true), - context = null, - curve = curveLinear, - output = null; - - function area(data) { - var i, - j, - k, - n = data.length, - d, - defined0 = false, - buffer, - x0z = new Array(n), - y0z = new Array(n); - - if (context == null) output = curve(buffer = path()); - - for (i = 0; i <= n; ++i) { - if (!(i < n && defined(d = data[i], i, data)) === defined0) { - if (defined0 = !defined0) { - j = i; - output.areaStart(); - output.lineStart(); - } else { - output.lineEnd(); - output.lineStart(); - for (k = i - 1; k >= j; --k) { - output.point(x0z[k], y0z[k]); - } - output.lineEnd(); - output.areaEnd(); - } - } - if (defined0) { - x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data); - output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]); - } - } - - if (buffer) return output = null, buffer + "" || null; - } - - function arealine() { - return line().defined(defined).curve(curve).context(context); +define(Color, color, { + displayable: function() { + return this.rgb().displayable(); + }, + toString: function() { + return this.rgb() + ""; } +}); - area.x = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$2(+_), x1 = null, area) : x0; - }; - - area.x0 = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$2(+_), area) : x0; - }; - - area.x1 = function(_) { - return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$2(+_), area) : x1; - }; - - area.y = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$2(+_), y1 = null, area) : y0; - }; - - area.y0 = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$2(+_), area) : y0; - }; - - area.y1 = function(_) { - return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$2(+_), area) : y1; - }; - - area.lineX0 = - area.lineY0 = function() { - return arealine().x(x0).y(y0); - }; - - area.lineY1 = function() { - return arealine().x(x0).y(y1); - }; - - area.lineX1 = function() { - return arealine().x(x1).y(y0); - }; - - area.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$2(!!_), area) : defined; - }; - - area.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; - }; - - area.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; - }; - - return area; -}; +function color(format) { + var m; + format = (format + "").trim().toLowerCase(); + return (m = reHex3.exec(format)) ? (m = parseInt(m[1], 16), new Rgb((m >> 8 & 0xf) | (m >> 4 & 0x0f0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1)) // #f00 + : (m = reHex6.exec(format)) ? rgbn(parseInt(m[1], 16)) // #ff0000 + : (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0) + : (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%) + : (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1) + : (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1) + : (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%) + : (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1) + : named.hasOwnProperty(format) ? rgbn(named[format]) + : format === "transparent" ? new Rgb(NaN, NaN, NaN, 0) + : null; +} -var descending$1 = function(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; -}; +function rgbn(n) { + return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1); +} -var identity$1 = function(d) { - return d; -}; +function rgba(r, g, b, a) { + if (a <= 0) r = g = b = NaN; + return new Rgb(r, g, b, a); +} -var pie = function() { - var value = identity$1, - sortValues = descending$1, - sort = null, - startAngle = constant$2(0), - endAngle = constant$2(tau$2), - padAngle = constant$2(0); +function rgbConvert(o) { + if (!(o instanceof Color)) o = color(o); + if (!o) return new Rgb; + o = o.rgb(); + return new Rgb(o.r, o.g, o.b, o.opacity); +} - function pie(data) { - var i, - n = data.length, - j, - k, - sum = 0, - index = new Array(n), - arcs = new Array(n), - a0 = +startAngle.apply(this, arguments), - da = Math.min(tau$2, Math.max(-tau$2, endAngle.apply(this, arguments) - a0)), - a1, - p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)), - pa = p * (da < 0 ? -1 : 1), - v; +function rgb(r, g, b, opacity) { + return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity); +} - for (i = 0; i < n; ++i) { - if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) { - sum += v; - } - } +function Rgb(r, g, b, opacity) { + this.r = +r; + this.g = +g; + this.b = +b; + this.opacity = +opacity; +} - // Optionally sort the arcs by previously-computed values or by data. - if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); }); - else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); }); +define(Rgb, rgb, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); + }, + rgb: function() { + return this; + }, + displayable: function() { + return (0 <= this.r && this.r <= 255) + && (0 <= this.g && this.g <= 255) + && (0 <= this.b && this.b <= 255) + && (0 <= this.opacity && this.opacity <= 1); + }, + toString: function() { + var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); + return (a === 1 ? "rgb(" : "rgba(") + + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " + + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " + + Math.max(0, Math.min(255, Math.round(this.b) || 0)) + + (a === 1 ? ")" : ", " + a + ")"); + } +})); - // Compute the arcs! They are stored in the original data's order. - for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) { - j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = { - data: data[j], - index: i, - value: v, - startAngle: a0, - endAngle: a1, - padAngle: p - }; - } +function hsla(h, s, l, a) { + if (a <= 0) h = s = l = NaN; + else if (l <= 0 || l >= 1) h = s = NaN; + else if (s <= 0) h = NaN; + return new Hsl(h, s, l, a); +} - return arcs; +function hslConvert(o) { + if (o instanceof Hsl) return new Hsl(o.h, o.s, o.l, o.opacity); + if (!(o instanceof Color)) o = color(o); + if (!o) return new Hsl; + if (o instanceof Hsl) return o; + o = o.rgb(); + var r = o.r / 255, + g = o.g / 255, + b = o.b / 255, + min = Math.min(r, g, b), + max = Math.max(r, g, b), + h = NaN, + s = max - min, + l = (max + min) / 2; + if (s) { + if (r === max) h = (g - b) / s + (g < b) * 6; + else if (g === max) h = (b - r) / s + 2; + else h = (r - g) / s + 4; + s /= l < 0.5 ? max + min : 2 - max - min; + h *= 60; + } else { + s = l > 0 && l < 1 ? 0 : h; } + return new Hsl(h, s, l, o.opacity); +} - pie.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$2(+_), pie) : value; - }; +function hsl(h, s, l, opacity) { + return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity); +} - pie.sortValues = function(_) { - return arguments.length ? (sortValues = _, sort = null, pie) : sortValues; - }; +function Hsl(h, s, l, opacity) { + this.h = +h; + this.s = +s; + this.l = +l; + this.opacity = +opacity; +} - pie.sort = function(_) { - return arguments.length ? (sort = _, sortValues = null, pie) : sort; - }; +define(Hsl, hsl, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Hsl(this.h, this.s, this.l * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Hsl(this.h, this.s, this.l * k, this.opacity); + }, + rgb: function() { + var h = this.h % 360 + (this.h < 0) * 360, + s = isNaN(h) || isNaN(this.s) ? 0 : this.s, + l = this.l, + m2 = l + (l < 0.5 ? l : 1 - l) * s, + m1 = 2 * l - m2; + return new Rgb( + hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2), + hsl2rgb(h, m1, m2), + hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2), + this.opacity + ); + }, + displayable: function() { + return (0 <= this.s && this.s <= 1 || isNaN(this.s)) + && (0 <= this.l && this.l <= 1) + && (0 <= this.opacity && this.opacity <= 1); + } +})); - pie.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$2(+_), pie) : startAngle; - }; +/* From FvD 13.37, CSS Color Module Level 3 */ +function hsl2rgb(h, m1, m2) { + return (h < 60 ? m1 + (m2 - m1) * h / 60 + : h < 180 ? m2 + : h < 240 ? m1 + (m2 - m1) * (240 - h) / 60 + : m1) * 255; +} - pie.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$2(+_), pie) : endAngle; - }; +var deg2rad = Math.PI / 180; +var rad2deg = 180 / Math.PI; - pie.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$2(+_), pie) : padAngle; - }; +var Kn = 18; +var Xn = 0.950470; +var Yn = 1; +var Zn = 1.088830; +var t0 = 4 / 29; +var t1 = 6 / 29; +var t2 = 3 * t1 * t1; +var t3 = t1 * t1 * t1; - return pie; -}; +function labConvert(o) { + if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); + if (o instanceof Hcl) { + var h = o.h * deg2rad; + return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); + } + if (!(o instanceof Rgb)) o = rgbConvert(o); + var b = rgb2xyz(o.r), + a = rgb2xyz(o.g), + l = rgb2xyz(o.b), + x = xyz2lab((0.4124564 * b + 0.3575761 * a + 0.1804375 * l) / Xn), + y = xyz2lab((0.2126729 * b + 0.7151522 * a + 0.0721750 * l) / Yn), + z = xyz2lab((0.0193339 * b + 0.1191920 * a + 0.9503041 * l) / Zn); + return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity); +} -var curveRadialLinear = curveRadial(curveLinear); +function lab(l, a, b, opacity) { + return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity); +} -function Radial(curve) { - this._curve = curve; +function Lab(l, a, b, opacity) { + this.l = +l; + this.a = +a; + this.b = +b; + this.opacity = +opacity; } -Radial.prototype = { - areaStart: function() { - this._curve.areaStart(); - }, - areaEnd: function() { - this._curve.areaEnd(); - }, - lineStart: function() { - this._curve.lineStart(); +define(Lab, lab, extend(Color, { + brighter: function(k) { + return new Lab(this.l + Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); }, - lineEnd: function() { - this._curve.lineEnd(); + darker: function(k) { + return new Lab(this.l - Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); }, - point: function(a, r) { - this._curve.point(r * Math.sin(a), r * -Math.cos(a)); - } -}; - -function curveRadial(curve) { - - function radial(context) { - return new Radial(curve(context)); + rgb: function() { + var y = (this.l + 16) / 116, + x = isNaN(this.a) ? y : y + this.a / 500, + z = isNaN(this.b) ? y : y - this.b / 200; + y = Yn * lab2xyz(y); + x = Xn * lab2xyz(x); + z = Zn * lab2xyz(z); + return new Rgb( + xyz2rgb( 3.2404542 * x - 1.5371385 * y - 0.4985314 * z), // D65 -> sRGB + xyz2rgb(-0.9692660 * x + 1.8760108 * y + 0.0415560 * z), + xyz2rgb( 0.0556434 * x - 0.2040259 * y + 1.0572252 * z), + this.opacity + ); } +})); - radial._curve = curve; - - return radial; +function xyz2lab(t) { + return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0; } -function radialLine(l) { - var c = l.curve; - - l.angle = l.x, delete l.x; - l.radius = l.y, delete l.y; - - l.curve = function(_) { - return arguments.length ? c(curveRadial(_)) : c()._curve; - }; - - return l; +function lab2xyz(t) { + return t > t1 ? t * t * t : t2 * (t - t0); } -var radialLine$1 = function() { - return radialLine(line().curve(curveRadialLinear)); -}; - -var radialArea = function() { - var a = area$1().curve(curveRadialLinear), - c = a.curve, - x0 = a.lineX0, - x1 = a.lineX1, - y0 = a.lineY0, - y1 = a.lineY1; - - a.angle = a.x, delete a.x; - a.startAngle = a.x0, delete a.x0; - a.endAngle = a.x1, delete a.x1; - a.radius = a.y, delete a.y; - a.innerRadius = a.y0, delete a.y0; - a.outerRadius = a.y1, delete a.y1; - a.lineStartAngle = function() { return radialLine(x0()); }, delete a.lineX0; - a.lineEndAngle = function() { return radialLine(x1()); }, delete a.lineX1; - a.lineInnerRadius = function() { return radialLine(y0()); }, delete a.lineY0; - a.lineOuterRadius = function() { return radialLine(y1()); }, delete a.lineY1; - - a.curve = function(_) { - return arguments.length ? c(curveRadial(_)) : c()._curve; - }; - - return a; -}; - -var circle = { - draw: function(context, size) { - var r = Math.sqrt(size / pi$2); - context.moveTo(r, 0); - context.arc(0, 0, r, 0, tau$2); - } -}; +function xyz2rgb(x) { + return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055); +} -var cross$1 = { - draw: function(context, size) { - var r = Math.sqrt(size / 5) / 2; - context.moveTo(-3 * r, -r); - context.lineTo(-r, -r); - context.lineTo(-r, -3 * r); - context.lineTo(r, -3 * r); - context.lineTo(r, -r); - context.lineTo(3 * r, -r); - context.lineTo(3 * r, r); - context.lineTo(r, r); - context.lineTo(r, 3 * r); - context.lineTo(-r, 3 * r); - context.lineTo(-r, r); - context.lineTo(-3 * r, r); - context.closePath(); - } -}; +function rgb2xyz(x) { + return (x /= 255) <= 0.04045 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4); +} -var tan30 = Math.sqrt(1 / 3); -var tan30_2 = tan30 * 2; +function hclConvert(o) { + if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); + if (!(o instanceof Lab)) o = labConvert(o); + var h = Math.atan2(o.b, o.a) * rad2deg; + return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); +} -var diamond = { - draw: function(context, size) { - var y = Math.sqrt(size / tan30_2), - x = y * tan30; - context.moveTo(0, -y); - context.lineTo(x, 0); - context.lineTo(0, y); - context.lineTo(-x, 0); - context.closePath(); - } -}; +function hcl(h, c, l, opacity) { + return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity); +} -var ka = 0.89081309152928522810; -var kr = Math.sin(pi$2 / 10) / Math.sin(7 * pi$2 / 10); -var kx = Math.sin(tau$2 / 10) * kr; -var ky = -Math.cos(tau$2 / 10) * kr; +function Hcl(h, c, l, opacity) { + this.h = +h; + this.c = +c; + this.l = +l; + this.opacity = +opacity; +} -var star = { - draw: function(context, size) { - var r = Math.sqrt(size * ka), - x = kx * r, - y = ky * r; - context.moveTo(0, -r); - context.lineTo(x, y); - for (var i = 1; i < 5; ++i) { - var a = tau$2 * i / 5, - c = Math.cos(a), - s = Math.sin(a); - context.lineTo(s * r, -c * r); - context.lineTo(c * x - s * y, s * x + c * y); - } - context.closePath(); +define(Hcl, hcl, extend(Color, { + brighter: function(k) { + return new Hcl(this.h, this.c, this.l + Kn * (k == null ? 1 : k), this.opacity); + }, + darker: function(k) { + return new Hcl(this.h, this.c, this.l - Kn * (k == null ? 1 : k), this.opacity); + }, + rgb: function() { + return labConvert(this).rgb(); } -}; +})); -var square = { - draw: function(context, size) { - var w = Math.sqrt(size), - x = -w / 2; - context.rect(x, x, w, w); - } -}; +var A = -0.14861; +var B = +1.78277; +var C = -0.29227; +var D = -0.90649; +var E = +1.97294; +var ED = E * D; +var EB = E * B; +var BC_DA = B * C - D * A; -var sqrt3 = Math.sqrt(3); +function cubehelixConvert(o) { + if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity); + if (!(o instanceof Rgb)) o = rgbConvert(o); + var r = o.r / 255, + g = o.g / 255, + b = o.b / 255, + l = (BC_DA * b + ED * r - EB * g) / (BC_DA + ED - EB), + bl = b - l, + k = (E * (g - l) - C * bl) / D, + s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1 + h = s ? Math.atan2(k, bl) * rad2deg - 120 : NaN; + return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity); +} -var triangle = { - draw: function(context, size) { - var y = -Math.sqrt(size / (sqrt3 * 3)); - context.moveTo(0, y * 2); - context.lineTo(-sqrt3 * y, -y); - context.lineTo(sqrt3 * y, -y); - context.closePath(); - } -}; +function cubehelix(h, s, l, opacity) { + return arguments.length === 1 ? cubehelixConvert(h) : new Cubehelix(h, s, l, opacity == null ? 1 : opacity); +} -var c = -0.5; -var s = Math.sqrt(3) / 2; -var k = 1 / Math.sqrt(12); -var a = (k / 2 + 1) * 3; +function Cubehelix(h, s, l, opacity) { + this.h = +h; + this.s = +s; + this.l = +l; + this.opacity = +opacity; +} -var wye = { - draw: function(context, size) { - var r = Math.sqrt(size / a), - x0 = r / 2, - y0 = r * k, - x1 = x0, - y1 = r * k + r, - x2 = -x1, - y2 = y1; - context.moveTo(x0, y0); - context.lineTo(x1, y1); - context.lineTo(x2, y2); - context.lineTo(c * x0 - s * y0, s * x0 + c * y0); - context.lineTo(c * x1 - s * y1, s * x1 + c * y1); - context.lineTo(c * x2 - s * y2, s * x2 + c * y2); - context.lineTo(c * x0 + s * y0, c * y0 - s * x0); - context.lineTo(c * x1 + s * y1, c * y1 - s * x1); - context.lineTo(c * x2 + s * y2, c * y2 - s * x2); - context.closePath(); +define(Cubehelix, cubehelix, extend(Color, { + brighter: function(k) { + k = k == null ? brighter : Math.pow(brighter, k); + return new Cubehelix(this.h, this.s, this.l * k, this.opacity); + }, + darker: function(k) { + k = k == null ? darker : Math.pow(darker, k); + return new Cubehelix(this.h, this.s, this.l * k, this.opacity); + }, + rgb: function() { + var h = isNaN(this.h) ? 0 : (this.h + 120) * deg2rad, + l = +this.l, + a = isNaN(this.s) ? 0 : this.s * l * (1 - l), + cosh = Math.cos(h), + sinh = Math.sin(h); + return new Rgb( + 255 * (l + a * (A * cosh + B * sinh)), + 255 * (l + a * (C * cosh + D * sinh)), + 255 * (l + a * (E * cosh)), + this.opacity + ); } -}; - -var symbols = [ - circle, - cross$1, - diamond, - square, - star, - triangle, - wye -]; - -var symbol = function() { - var type = constant$2(circle), - size = constant$2(64), - context = null; +})); - function symbol() { - var buffer; - if (!context) context = buffer = path(); - type.apply(this, arguments).draw(context, +size.apply(this, arguments)); - if (buffer) return context = null, buffer + "" || null; - } +function basis(t1, v0, v1, v2, v3) { + var t2 = t1 * t1, t3 = t2 * t1; + return ((1 - 3 * t1 + 3 * t2 - t3) * v0 + + (4 - 6 * t2 + 3 * t3) * v1 + + (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2 + + t3 * v3) / 6; +} - symbol.type = function(_) { - return arguments.length ? (type = typeof _ === "function" ? _ : constant$2(_), symbol) : type; +var basis$1 = function(values) { + var n = values.length - 1; + return function(t) { + var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n), + v1 = values[i], + v2 = values[i + 1], + v0 = i > 0 ? values[i - 1] : 2 * v1 - v2, + v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; + return basis((t - i / n) * n, v0, v1, v2, v3); }; +}; - symbol.size = function(_) { - return arguments.length ? (size = typeof _ === "function" ? _ : constant$2(+_), symbol) : size; +var basisClosed = function(values) { + var n = values.length; + return function(t) { + var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n), + v0 = values[(i + n - 1) % n], + v1 = values[i % n], + v2 = values[(i + 1) % n], + v3 = values[(i + 2) % n]; + return basis((t - i / n) * n, v0, v1, v2, v3); }; +}; - symbol.context = function(_) { - return arguments.length ? (context = _ == null ? null : _, symbol) : context; +var constant$3 = function(x) { + return function() { + return x; }; - - return symbol; }; -var noop = function() {}; - -function point(that, x, y) { - that._context.bezierCurveTo( - (2 * that._x0 + that._x1) / 3, - (2 * that._y0 + that._y1) / 3, - (that._x0 + 2 * that._x1) / 3, - (that._y0 + 2 * that._y1) / 3, - (that._x0 + 4 * that._x1 + x) / 6, - (that._y0 + 4 * that._y1 + y) / 6 - ); +function linear(a, d) { + return function(t) { + return a + t * d; + }; } -function Basis(context) { - this._context = context; +function exponential(a, b, y) { + return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) { + return Math.pow(a + t * b, y); + }; } -Basis.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 3: point(this, this._x1, this._y1); // proceed - case 2: this._context.lineTo(this._x1, this._y1); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed - default: point(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - } -}; +function hue(a, b) { + var d = b - a; + return d ? linear(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$3(isNaN(a) ? b : a); +} -var basis = function(context) { - return new Basis(context); -}; +function gamma(y) { + return (y = +y) === 1 ? nogamma : function(a, b) { + return b - a ? exponential(a, b, y) : constant$3(isNaN(a) ? b : a); + }; +} -function BasisClosed(context) { - this._context = context; +function nogamma(a, b) { + var d = b - a; + return d ? linear(a, d) : constant$3(isNaN(a) ? b : a); } -BasisClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x2, this._y2); - this._context.closePath(); - break; - } - case 2: { - this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3); - this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3); - this._context.closePath(); - break; - } - case 3: { - this.point(this._x2, this._y2); - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - break; - } - } - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._x2 = x, this._y2 = y; break; - case 1: this._point = 2; this._x3 = x, this._y3 = y; break; - case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break; - default: point(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; +var interpolateRgb = ((function rgbGamma(y) { + var color$$1 = gamma(y); + + function rgb$$1(start, end) { + var r = color$$1((start = rgb(start)).r, (end = rgb(end)).r), + g = color$$1(start.g, end.g), + b = color$$1(start.b, end.b), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.r = r(t); + start.g = g(t); + start.b = b(t); + start.opacity = opacity(t); + return start + ""; + }; } -}; -var basisClosed = function(context) { - return new BasisClosed(context); -}; + rgb$$1.gamma = rgbGamma; -function BasisOpen(context) { - this._context = context; -} + return rgb$$1; +}))(1); -BasisOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = NaN; - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; - case 3: this._point = 4; // proceed - default: point(this, x, y); break; +function rgbSpline(spline) { + return function(colors) { + var n = colors.length, + r = new Array(n), + g = new Array(n), + b = new Array(n), + i, color$$1; + for (i = 0; i < n; ++i) { + color$$1 = rgb(colors[i]); + r[i] = color$$1.r || 0; + g[i] = color$$1.g || 0; + b[i] = color$$1.b || 0; } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - } -}; - -var basisOpen = function(context) { - return new BasisOpen(context); -}; - -function Bundle(context, beta) { - this._basis = new Basis(context); - this._beta = beta; + r = spline(r); + g = spline(g); + b = spline(b); + color$$1.opacity = 1; + return function(t) { + color$$1.r = r(t); + color$$1.g = g(t); + color$$1.b = b(t); + return color$$1 + ""; + }; + }; } -Bundle.prototype = { - lineStart: function() { - this._x = []; - this._y = []; - this._basis.lineStart(); - }, - lineEnd: function() { - var x = this._x, - y = this._y, - j = x.length - 1; - - if (j > 0) { - var x0 = x[0], - y0 = y[0], - dx = x[j] - x0, - dy = y[j] - y0, - i = -1, - t; - - while (++i <= j) { - t = i / j; - this._basis.point( - this._beta * x[i] + (1 - this._beta) * (x0 + t * dx), - this._beta * y[i] + (1 - this._beta) * (y0 + t * dy) - ); - } - } +var rgbBasis = rgbSpline(basis$1); +var rgbBasisClosed = rgbSpline(basisClosed); - this._x = this._y = null; - this._basis.lineEnd(); - }, - point: function(x, y) { - this._x.push(+x); - this._y.push(+y); - } -}; +var array$1 = function(a, b) { + var nb = b ? b.length : 0, + na = a ? Math.min(nb, a.length) : 0, + x = new Array(nb), + c = new Array(nb), + i; -var bundle = (function custom(beta) { + for (i = 0; i < na; ++i) x[i] = interpolateValue(a[i], b[i]); + for (; i < nb; ++i) c[i] = b[i]; - function bundle(context) { - return beta === 1 ? new Basis(context) : new Bundle(context, beta); - } + return function(t) { + for (i = 0; i < na; ++i) c[i] = x[i](t); + return c; + }; +}; - bundle.beta = function(beta) { - return custom(+beta); +var date = function(a, b) { + var d = new Date; + return a = +a, b -= a, function(t) { + return d.setTime(a + b * t), d; }; +}; - return bundle; -})(0.85); +var reinterpolate = function(a, b) { + return a = +a, b -= a, function(t) { + return a + b * t; + }; +}; -function point$1(that, x, y) { - that._context.bezierCurveTo( - that._x1 + that._k * (that._x2 - that._x0), - that._y1 + that._k * (that._y2 - that._y0), - that._x2 + that._k * (that._x1 - x), - that._y2 + that._k * (that._y1 - y), - that._x2, - that._y2 - ); -} +var object = function(a, b) { + var i = {}, + c = {}, + k; -function Cardinal(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; -} + if (a === null || typeof a !== "object") a = {}; + if (b === null || typeof b !== "object") b = {}; -Cardinal.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x2, this._y2); break; - case 3: point$1(this, this._x1, this._y1); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; this._x1 = x, this._y1 = y; break; - case 2: this._point = 3; // proceed - default: point$1(this, x, y); break; + for (k in b) { + if (k in a) { + i[k] = interpolateValue(a[k], b[k]); + } else { + c[k] = b[k]; } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } + + return function(t) { + for (k in i) c[k] = i[k](t); + return c; + }; }; -var cardinal = (function custom(tension) { +var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; +var reB = new RegExp(reA.source, "g"); - function cardinal(context) { - return new Cardinal(context, tension); - } +function zero(b) { + return function() { + return b; + }; +} - cardinal.tension = function(tension) { - return custom(+tension); +function one(b) { + return function(t) { + return b(t) + ""; }; +} - return cardinal; -})(0); +var interpolateString = function(a, b) { + var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b + am, // current match in a + bm, // current match in b + bs, // string preceding current number in b, if any + i = -1, // index in s + s = [], // string constants and placeholders + q = []; // number interpolators -function CardinalClosed(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; -} + // Coerce inputs to strings. + a = a + "", b = b + ""; -CardinalClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 2: { - this._context.lineTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 3: { - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - this.point(this._x5, this._y5); - break; - } + // Interpolate pairs of numbers in a & b. + while ((am = reA.exec(a)) + && (bm = reB.exec(b))) { + if ((bs = bm.index) > bi) { // a string precedes the next number in b + bs = b.slice(bi, bs); + if (s[i]) s[i] += bs; // coalesce with previous string + else s[++i] = bs; } - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._x3 = x, this._y3 = y; break; - case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; - case 2: this._point = 3; this._x5 = x, this._y5 = y; break; - default: point$1(this, x, y); break; + if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match + if (s[i]) s[i] += bm; // coalesce with previous string + else s[++i] = bm; + } else { // interpolate non-matching numbers + s[++i] = null; + q.push({i: i, x: reinterpolate(am, bm)}); } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + bi = reB.lastIndex; } -}; -var cardinalClosed = (function custom(tension) { - - function cardinal(context) { - return new CardinalClosed(context, tension); + // Add remains of b. + if (bi < b.length) { + bs = b.slice(bi); + if (s[i]) s[i] += bs; // coalesce with previous string + else s[++i] = bs; } - cardinal.tension = function(tension) { - return custom(+tension); + // Special optimization for only a single match. + // Otherwise, interpolate each of the numbers and rejoin the string. + return s.length < 2 ? (q[0] + ? one(q[0].x) + : zero(b)) + : (b = q.length, function(t) { + for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); + return s.join(""); + }); +}; + +var interpolateValue = function(a, b) { + var t = typeof b, c; + return b == null || t === "boolean" ? constant$3(b) + : (t === "number" ? reinterpolate + : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) + : b instanceof color ? interpolateRgb + : b instanceof Date ? date + : Array.isArray(b) ? array$1 + : isNaN(b) ? object + : reinterpolate)(a, b); +}; + +var interpolateRound = function(a, b) { + return a = +a, b -= a, function(t) { + return Math.round(a + b * t); }; +}; - return cardinal; -})(0); +var degrees = 180 / Math.PI; -function CardinalOpen(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; -} +var identity$2 = { + translateX: 0, + translateY: 0, + rotate: 0, + skewX: 0, + scaleX: 1, + scaleY: 1 +}; -CardinalOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed - default: point$1(this, x, y); break; - } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } +var decompose = function(a, b, c, d, e, f) { + var scaleX, scaleY, skewX; + if (scaleX = Math.sqrt(a * a + b * b)) a /= scaleX, b /= scaleX; + if (skewX = a * c + b * d) c -= a * skewX, d -= b * skewX; + if (scaleY = Math.sqrt(c * c + d * d)) c /= scaleY, d /= scaleY, skewX /= scaleY; + if (a * d < b * c) a = -a, b = -b, skewX = -skewX, scaleX = -scaleX; + return { + translateX: e, + translateY: f, + rotate: Math.atan2(b, a) * degrees, + skewX: Math.atan(skewX) * degrees, + scaleX: scaleX, + scaleY: scaleY + }; }; -var cardinalOpen = (function custom(tension) { - - function cardinal(context) { - return new CardinalOpen(context, tension); - } +var cssNode; +var cssRoot; +var cssView; +var svgNode; - cardinal.tension = function(tension) { - return custom(+tension); - }; +function parseCss(value) { + if (value === "none") return identity$2; + if (!cssNode) cssNode = document.createElement("DIV"), cssRoot = document.documentElement, cssView = document.defaultView; + cssNode.style.transform = value; + value = cssView.getComputedStyle(cssRoot.appendChild(cssNode), null).getPropertyValue("transform"); + cssRoot.removeChild(cssNode); + value = value.slice(7, -1).split(","); + return decompose(+value[0], +value[1], +value[2], +value[3], +value[4], +value[5]); +} - return cardinal; -})(0); +function parseSvg(value) { + if (value == null) return identity$2; + if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g"); + svgNode.setAttribute("transform", value); + if (!(value = svgNode.transform.baseVal.consolidate())) return identity$2; + value = value.matrix; + return decompose(value.a, value.b, value.c, value.d, value.e, value.f); +} -function point$2(that, x, y) { - var x1 = that._x1, - y1 = that._y1, - x2 = that._x2, - y2 = that._y2; +function interpolateTransform(parse, pxComma, pxParen, degParen) { - if (that._l01_a > epsilon$1) { - var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a, - n = 3 * that._l01_a * (that._l01_a + that._l12_a); - x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n; - y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n; + function pop(s) { + return s.length ? s.pop() + " " : ""; } - if (that._l23_a > epsilon$1) { - var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a, - m = 3 * that._l23_a * (that._l23_a + that._l12_a); - x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m; - y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m; + function translate(xa, ya, xb, yb, s, q) { + if (xa !== xb || ya !== yb) { + var i = s.push("translate(", null, pxComma, null, pxParen); + q.push({i: i - 4, x: reinterpolate(xa, xb)}, {i: i - 2, x: reinterpolate(ya, yb)}); + } else if (xb || yb) { + s.push("translate(" + xb + pxComma + yb + pxParen); + } } - that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2); -} - -function CatmullRom(context, alpha) { - this._context = context; - this._alpha = alpha; -} - -CatmullRom.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x2, this._y2); break; - case 3: this.point(this._x2, this._y2); break; + function rotate(a, b, s, q) { + if (a !== b) { + if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path + q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: reinterpolate(a, b)}); + } else if (b) { + s.push(pop(s) + "rotate(" + b + degParen); } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; + } - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + function skewX(a, b, s, q) { + if (a !== b) { + q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: reinterpolate(a, b)}); + } else if (b) { + s.push(pop(s) + "skewX(" + b + degParen); } + } - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; // proceed - default: point$2(this, x, y); break; + function scale(xa, ya, xb, yb, s, q) { + if (xa !== xb || ya !== yb) { + var i = s.push(pop(s) + "scale(", null, ",", null, ")"); + q.push({i: i - 4, x: reinterpolate(xa, xb)}, {i: i - 2, x: reinterpolate(ya, yb)}); + } else if (xb !== 1 || yb !== 1) { + s.push(pop(s) + "scale(" + xb + "," + yb + ")"); } - - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } -}; -var catmullRom = (function custom(alpha) { + return function(a, b) { + var s = [], // string constants and placeholders + q = []; // number interpolators + a = parse(a), b = parse(b); + translate(a.translateX, a.translateY, b.translateX, b.translateY, s, q); + rotate(a.rotate, b.rotate, s, q); + skewX(a.skewX, b.skewX, s, q); + scale(a.scaleX, a.scaleY, b.scaleX, b.scaleY, s, q); + a = b = null; // gc + return function(t) { + var i = -1, n = q.length, o; + while (++i < n) s[(o = q[i]).i] = o.x(t); + return s.join(""); + }; + }; +} - function catmullRom(context) { - return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); - } +var interpolateTransformCss = interpolateTransform(parseCss, "px, ", "px)", "deg)"); +var interpolateTransformSvg = interpolateTransform(parseSvg, ", ", ")", ")"); - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; +var rho = Math.SQRT2; +var rho2 = 2; +var rho4 = 4; +var epsilon2 = 1e-12; - return catmullRom; -})(0.5); +function cosh(x) { + return ((x = Math.exp(x)) + 1 / x) / 2; +} -function CatmullRomClosed(context, alpha) { - this._context = context; - this._alpha = alpha; +function sinh(x) { + return ((x = Math.exp(x)) - 1 / x) / 2; } -CatmullRomClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 2: { - this._context.lineTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 3: { - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - this.point(this._x5, this._y5); - break; - } - } - }, - point: function(x, y) { - x = +x, y = +y; +function tanh(x) { + return ((x = Math.exp(2 * x)) - 1) / (x + 1); +} - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } +// p0 = [ux0, uy0, w0] +// p1 = [ux1, uy1, w1] +var interpolateZoom = function(p0, p1) { + var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], + ux1 = p1[0], uy1 = p1[1], w1 = p1[2], + dx = ux1 - ux0, + dy = uy1 - uy0, + d2 = dx * dx + dy * dy, + i, + S; - switch (this._point) { - case 0: this._point = 1; this._x3 = x, this._y3 = y; break; - case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; - case 2: this._point = 3; this._x5 = x, this._y5 = y; break; - default: point$2(this, x, y); break; - } + // Special case for u0 ≅ u1. + if (d2 < epsilon2) { + S = Math.log(w1 / w0) / rho; + i = function(t) { + return [ + ux0 + t * dx, + uy0 + t * dy, + w0 * Math.exp(rho * t * S) + ]; + }; + } - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + // General case. + else { + var d1 = Math.sqrt(d2), + b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), + b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), + r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), + r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); + S = (r1 - r0) / rho; + i = function(t) { + var s = t * S, + coshr0 = cosh(r0), + u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0)); + return [ + ux0 + u * dx, + uy0 + u * dy, + w0 * coshr0 / cosh(rho * s + r0) + ]; + }; } -}; -var catmullRomClosed = (function custom(alpha) { + i.duration = S * 1000; + + return i; +}; - function catmullRom(context) { - return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); +function hsl$1(hue$$1) { + return function(start, end) { + var h = hue$$1((start = hsl(start)).h, (end = hsl(end)).h), + s = nogamma(start.s, end.s), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.s = s(t); + start.l = l(t); + start.opacity = opacity(t); + return start + ""; + }; } +} - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; +var hsl$2 = hsl$1(hue); +var hslLong = hsl$1(nogamma); - return catmullRom; -})(0.5); +function lab$1(start, end) { + var l = nogamma((start = lab(start)).l, (end = lab(end)).l), + a = nogamma(start.a, end.a), + b = nogamma(start.b, end.b), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.l = l(t); + start.a = a(t); + start.b = b(t); + start.opacity = opacity(t); + return start + ""; + }; +} -function CatmullRomOpen(context, alpha) { - this._context = context; - this._alpha = alpha; +function hcl$1(hue$$1) { + return function(start, end) { + var h = hue$$1((start = hcl(start)).h, (end = hcl(end)).h), + c = nogamma(start.c, end.c), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.c = c(t); + start.l = l(t); + start.opacity = opacity(t); + return start + ""; + }; + } } -CatmullRomOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; +var hcl$2 = hcl$1(hue); +var hclLong = hcl$1(nogamma); - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } +function cubehelix$1(hue$$1) { + return (function cubehelixGamma(y) { + y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed - default: point$2(this, x, y); break; + function cubehelix$$1(start, end) { + var h = hue$$1((start = cubehelix(start)).h, (end = cubehelix(end)).h), + s = nogamma(start.s, end.s), + l = nogamma(start.l, end.l), + opacity = nogamma(start.opacity, end.opacity); + return function(t) { + start.h = h(t); + start.s = s(t); + start.l = l(Math.pow(t, y)); + start.opacity = opacity(t); + return start + ""; + }; } - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } -}; + cubehelix$$1.gamma = cubehelixGamma; -var catmullRomOpen = (function custom(alpha) { + return cubehelix$$1; + })(1); +} - function catmullRom(context) { - return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); - } +var cubehelix$2 = cubehelix$1(hue); +var cubehelixLong = cubehelix$1(nogamma); - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; +var quantize = function(interpolator, n) { + var samples = new Array(n); + for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); + return samples; +}; - return catmullRom; -})(0.5); +var frame = 0; +var timeout = 0; +var interval = 0; +var pokeDelay = 1000; +var taskHead; +var taskTail; +var clockLast = 0; +var clockNow = 0; +var clockSkew = 0; +var clock = typeof performance === "object" && performance.now ? performance : Date; +var setFrame = typeof requestAnimationFrame === "function" ? requestAnimationFrame : function(f) { setTimeout(f, 17); }; -function LinearClosed(context) { - this._context = context; +function now() { + return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew); } -LinearClosed.prototype = { - areaStart: noop, - areaEnd: noop, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._point) this._context.closePath(); +function clearNow() { + clockNow = 0; +} + +function Timer() { + this._call = + this._time = + this._next = null; +} + +Timer.prototype = timer.prototype = { + constructor: Timer, + restart: function(callback, delay, time) { + if (typeof callback !== "function") throw new TypeError("callback is not a function"); + time = (time == null ? now() : +time) + (delay == null ? 0 : +delay); + if (!this._next && taskTail !== this) { + if (taskTail) taskTail._next = this; + else taskHead = this; + taskTail = this; + } + this._call = callback; + this._time = time; + sleep(); }, - point: function(x, y) { - x = +x, y = +y; - if (this._point) this._context.lineTo(x, y); - else this._point = 1, this._context.moveTo(x, y); + stop: function() { + if (this._call) { + this._call = null; + this._time = Infinity; + sleep(); + } } }; -var linearClosed = function(context) { - return new LinearClosed(context); -}; - -function sign(x) { - return x < 0 ? -1 : 1; -} - -// Calculate the slopes of the tangents (Hermite-type interpolation) based on -// the following paper: Steffen, M. 1990. A Simple Method for Monotonic -// Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO. -// NOV(II), P. 443, 1990. -function slope3(that, x2, y2) { - var h0 = that._x1 - that._x0, - h1 = x2 - that._x1, - s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0), - s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0), - p = (s0 * h1 + s1 * h0) / (h0 + h1); - return (sign(s0) + sign(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0; +function timer(callback, delay, time) { + var t = new Timer; + t.restart(callback, delay, time); + return t; } -// Calculate a one-sided slope. -function slope2(that, t) { - var h = that._x1 - that._x0; - return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t; +function timerFlush() { + now(); // Get the current time, if not already set. + ++frame; // Pretend we’ve set an alarm, if we haven’t already. + var t = taskHead, e; + while (t) { + if ((e = clockNow - t._time) >= 0) t._call.call(null, e); + t = t._next; + } + --frame; } -// According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations -// "you can express cubic Hermite interpolation in terms of cubic Bézier curves -// with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1". -function point$3(that, t0, t1) { - var x0 = that._x0, - y0 = that._y0, - x1 = that._x1, - y1 = that._y1, - dx = (x1 - x0) / 3; - that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1); +function wake() { + clockNow = (clockLast = clock.now()) + clockSkew; + frame = timeout = 0; + try { + timerFlush(); + } finally { + frame = 0; + nap(); + clockNow = 0; + } } -function MonotoneX(context) { - this._context = context; +function poke() { + var now = clock.now(), delay = now - clockLast; + if (delay > pokeDelay) clockSkew -= delay, clockLast = now; } -MonotoneX.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = - this._t0 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x1, this._y1); break; - case 3: point$3(this, this._t0, slope2(this, this._t0)); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - var t1 = NaN; - - x = +x, y = +y; - if (x === this._x1 && y === this._y1) return; // Ignore coincident points. - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; point$3(this, slope2(this, t1 = slope3(this, x, y)), t1); break; - default: point$3(this, this._t0, t1 = slope3(this, x, y)); break; +function nap() { + var t0, t1 = taskHead, t2, time = Infinity; + while (t1) { + if (t1._call) { + if (time > t1._time) time = t1._time; + t0 = t1, t1 = t1._next; + } else { + t2 = t1._next, t1._next = null; + t1 = t0 ? t0._next = t2 : taskHead = t2; } - - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - this._t0 = t1; } -}; + taskTail = t0; + sleep(time); +} -function MonotoneY(context) { - this._context = new ReflectContext(context); +function sleep(time) { + if (frame) return; // Soonest alarm already set, or will be. + if (timeout) timeout = clearTimeout(timeout); + var delay = time - clockNow; + if (delay > 24) { + if (time < Infinity) timeout = setTimeout(wake, delay); + if (interval) interval = clearInterval(interval); + } else { + if (!interval) clockLast = clockNow, interval = setInterval(poke, pokeDelay); + frame = 1, setFrame(wake); + } } -(MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) { - MonotoneX.prototype.point.call(this, y, x); +var timeout$1 = function(callback, delay, time) { + var t = new Timer; + delay = delay == null ? 0 : +delay; + t.restart(function(elapsed) { + t.stop(); + callback(elapsed + delay); + }, delay, time); + return t; }; -function ReflectContext(context) { - this._context = context; -} +var interval$1 = function(callback, delay, time) { + var t = new Timer, total = delay; + if (delay == null) return t.restart(callback, delay, time), t; + delay = +delay, time = time == null ? now() : +time; + t.restart(function tick(elapsed) { + elapsed += total; + t.restart(tick, total += delay, time); + callback(elapsed); + }, delay, time); + return t; +}; -ReflectContext.prototype = { - moveTo: function(x, y) { this._context.moveTo(y, x); }, - closePath: function() { this._context.closePath(); }, - lineTo: function(x, y) { this._context.lineTo(y, x); }, - bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); } +var emptyOn = dispatch("start", "end", "interrupt"); +var emptyTween = []; + +var CREATED = 0; +var SCHEDULED = 1; +var STARTING = 2; +var STARTED = 3; +var RUNNING = 4; +var ENDING = 5; +var ENDED = 6; + +var schedule = function(node, name, id, index, group, timing) { + var schedules = node.__transition; + if (!schedules) node.__transition = {}; + else if (id in schedules) return; + create(node, id, { + name: name, + index: index, // For context during callback. + group: group, // For context during callback. + on: emptyOn, + tween: emptyTween, + time: timing.time, + delay: timing.delay, + duration: timing.duration, + ease: timing.ease, + timer: null, + state: CREATED + }); }; -function monotoneX(context) { - return new MonotoneX(context); +function init(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id]) || schedule.state > CREATED) throw new Error("too late"); + return schedule; } -function monotoneY(context) { - return new MonotoneY(context); +function set$1(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id]) || schedule.state > STARTING) throw new Error("too late"); + return schedule; } -function Natural(context) { - this._context = context; +function get$1(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id])) throw new Error("too late"); + return schedule; } -Natural.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x = []; - this._y = []; - }, - lineEnd: function() { - var x = this._x, - y = this._y, - n = x.length; +function create(node, id, self) { + var schedules = node.__transition, + tween; - if (n) { - this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]); - if (n === 2) { - this._context.lineTo(x[1], y[1]); - } else { - var px = controlPoints(x), - py = controlPoints(y); - for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) { - this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]); - } - } - } + // Initialize the self timer when the transition is created. + // Note the actual delay is not known until the first callback! + schedules[id] = self; + self.timer = timer(schedule, 0, self.time); - if (this._line || (this._line !== 0 && n === 1)) this._context.closePath(); - this._line = 1 - this._line; - this._x = this._y = null; - }, - point: function(x, y) { - this._x.push(+x); - this._y.push(+y); + function schedule(elapsed) { + self.state = SCHEDULED; + self.timer.restart(start, self.delay, self.time); + + // If the elapsed delay is less than our first sleep, start immediately. + if (self.delay <= elapsed) start(elapsed - self.delay); } -}; -// See https://www.particleincell.com/2012/bezier-splines/ for derivation. -function controlPoints(x) { - var i, - n = x.length - 1, - m, - a = new Array(n), - b = new Array(n), - r = new Array(n); - a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1]; - for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1]; - a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n]; - for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1]; - a[n - 1] = r[n - 1] / b[n - 1]; - for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i]; - b[n - 1] = (x[n] + a[n - 1]) / 2; - for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1]; - return [a, b]; -} + function start(elapsed) { + var i, j, n, o; -var natural = function(context) { - return new Natural(context); -}; + // If the state is not SCHEDULED, then we previously errored on start. + if (self.state !== SCHEDULED) return stop(); -function Step(context, t) { - this._context = context; - this._t = t; -} + for (i in schedules) { + o = schedules[i]; + if (o.name !== self.name) continue; -Step.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x = this._y = NaN; - this._point = 0; - }, - lineEnd: function() { - if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y); - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed - default: { - if (this._t <= 0) { - this._context.lineTo(this._x, y); - this._context.lineTo(x, y); - } else { - var x1 = this._x * (1 - this._t) + x * this._t; - this._context.lineTo(x1, this._y); - this._context.lineTo(x1, y); - } - break; + // While this element already has a starting transition during this frame, + // defer starting an interrupting transition until that transition has a + // chance to tick (and possibly end); see d3/d3-transition#54! + if (o.state === STARTED) return timeout$1(start); + + // Interrupt the active transition, if any. + // Dispatch the interrupt event. + if (o.state === RUNNING) { + o.state = ENDED; + o.timer.stop(); + o.on.call("interrupt", node, node.__data__, o.index, o.group); + delete schedules[i]; + } + + // Cancel any pre-empted transitions. No interrupt event is dispatched + // because the cancelled transitions never started. Note that this also + // removes this transition from the pending list! + else if (+i < id) { + o.state = ENDED; + o.timer.stop(); + delete schedules[i]; + } + } + + // Defer the first tick to end of the current frame; see d3/d3#1576. + // Note the transition may be canceled after start and before the first tick! + // Note this must be scheduled before the start event; see d3/d3-transition#16! + // Assuming this is successful, subsequent callbacks go straight to tick. + timeout$1(function() { + if (self.state === STARTED) { + self.state = RUNNING; + self.timer.restart(tick, self.delay, self.time); + tick(elapsed); + } + }); + + // Dispatch the start event. + // Note this must be done before the tween are initialized. + self.state = STARTING; + self.on.call("start", node, node.__data__, self.index, self.group); + if (self.state !== STARTING) return; // interrupted + self.state = STARTED; + + // Initialize the tween, deleting null tween. + tween = new Array(n = self.tween.length); + for (i = 0, j = -1; i < n; ++i) { + if (o = self.tween[i].value.call(node, node.__data__, self.index, self.group)) { + tween[++j] = o; } } - this._x = x, this._y = y; + tween.length = j + 1; } -}; -var step = function(context) { - return new Step(context, 0.5); -}; + function tick(elapsed) { + var t = elapsed < self.duration ? self.ease.call(null, elapsed / self.duration) : (self.timer.restart(stop), self.state = ENDING, 1), + i = -1, + n = tween.length; -function stepBefore(context) { - return new Step(context, 0); -} + while (++i < n) { + tween[i].call(null, t); + } -function stepAfter(context) { - return new Step(context, 1); + // Dispatch the end event. + if (self.state === ENDING) { + self.on.call("end", node, node.__data__, self.index, self.group); + stop(); + } + } + + function stop() { + self.state = ENDED; + self.timer.stop(); + delete schedules[id]; + for (var i in schedules) return; // eslint-disable-line no-unused-vars + delete node.__transition; + } } -var slice$2 = Array.prototype.slice; +var interrupt = function(node, name) { + var schedules = node.__transition, + schedule, + active, + empty = true, + i; -var none = function(series, order) { - if (!((n = series.length) > 1)) return; - for (var i = 1, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { - s0 = s1, s1 = series[order[i]]; - for (var j = 0; j < m; ++j) { - s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; - } + if (!schedules) return; + + name = name == null ? null : name + ""; + + for (i in schedules) { + if ((schedule = schedules[i]).name !== name) { empty = false; continue; } + active = schedule.state > STARTING && schedule.state < ENDING; + schedule.state = ENDED; + schedule.timer.stop(); + if (active) schedule.on.call("interrupt", node, node.__data__, schedule.index, schedule.group); + delete schedules[i]; } -}; -var none$1 = function(series) { - var n = series.length, o = new Array(n); - while (--n >= 0) o[n] = n; - return o; + if (empty) delete node.__transition; }; -function stackValue(d, key) { - return d[key]; -} - -var stack = function() { - var keys = constant$2([]), - order = none$1, - offset = none, - value = stackValue; +var selection_interrupt = function(name) { + return this.each(function() { + interrupt(this, name); + }); +}; - function stack(data) { - var kz = keys.apply(this, arguments), - i, - m = data.length, - n = kz.length, - sz = new Array(n), - oz; +function tweenRemove(id, name) { + var tween0, tween1; + return function() { + var schedule = set$1(this, id), + tween = schedule.tween; - for (i = 0; i < n; ++i) { - for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) { - si[j] = sij = [0, +value(data[j], ki, j, data)]; - sij.data = data[j]; + // If this node shared tween with the previous node, + // just assign the updated shared tween and we’re done! + // Otherwise, copy-on-write. + if (tween !== tween0) { + tween1 = tween0 = tween; + for (var i = 0, n = tween1.length; i < n; ++i) { + if (tween1[i].name === name) { + tween1 = tween1.slice(); + tween1.splice(i, 1); + break; + } } - si.key = ki; - } - - for (i = 0, oz = order(sz); i < n; ++i) { - sz[oz[i]].index = i; } - offset(sz, oz); - return sz; - } - - stack.keys = function(_) { - return arguments.length ? (keys = typeof _ === "function" ? _ : constant$2(slice$2.call(_)), stack) : keys; + schedule.tween = tween1; }; +} - stack.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$2(+_), stack) : value; - }; +function tweenFunction(id, name, value) { + var tween0, tween1; + if (typeof value !== "function") throw new Error; + return function() { + var schedule = set$1(this, id), + tween = schedule.tween; - stack.order = function(_) { - return arguments.length ? (order = _ == null ? none$1 : typeof _ === "function" ? _ : constant$2(slice$2.call(_)), stack) : order; - }; + // If this node shared tween with the previous node, + // just assign the updated shared tween and we’re done! + // Otherwise, copy-on-write. + if (tween !== tween0) { + tween1 = (tween0 = tween).slice(); + for (var t = {name: name, value: value}, i = 0, n = tween1.length; i < n; ++i) { + if (tween1[i].name === name) { + tween1[i] = t; + break; + } + } + if (i === n) tween1.push(t); + } - stack.offset = function(_) { - return arguments.length ? (offset = _ == null ? none : _, stack) : offset; + schedule.tween = tween1; }; +} - return stack; -}; - -var expand = function(series, order) { - if (!((n = series.length) > 0)) return; - for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { - for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; - if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; - } - none(series, order); -}; +var transition_tween = function(name, value) { + var id = this._id; -var silhouette = function(series, order) { - if (!((n = series.length) > 0)) return; - for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { - for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; - s0[j][1] += s0[j][0] = -y / 2; - } - none(series, order); -}; + name += ""; -var wiggle = function(series, order) { - if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; - for (var y = 0, j = 1, s0, m, n; j < m; ++j) { - for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { - var si = series[order[i]], - sij0 = si[j][1] || 0, - sij1 = si[j - 1][1] || 0, - s3 = (sij0 - sij1) / 2; - for (var k = 0; k < i; ++k) { - var sk = series[order[k]], - skj0 = sk[j][1] || 0, - skj1 = sk[j - 1][1] || 0; - s3 += skj0 - skj1; + if (arguments.length < 2) { + var tween = get$1(this.node(), id).tween; + for (var i = 0, n = tween.length, t; i < n; ++i) { + if ((t = tween[i]).name === name) { + return t.value; } - s1 += sij0, s2 += s3 * sij0; } - s0[j - 1][1] += s0[j - 1][0] = y; - if (s1) y -= s2 / s1; + return null; } - s0[j - 1][1] += s0[j - 1][0] = y; - none(series, order); -}; -var ascending$1 = function(series) { - var sums = series.map(sum$1); - return none$1(series).sort(function(a, b) { return sums[a] - sums[b]; }); + return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); }; -function sum$1(series) { - var s = 0, i = -1, n = series.length, v; - while (++i < n) if (v = +series[i][1]) s += v; - return s; +function tweenValue(transition, name, value) { + var id = transition._id; + + transition.each(function() { + var schedule = set$1(this, id); + (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); + }); + + return function(node) { + return get$1(node, id).value[name]; + }; } -var descending$2 = function(series) { - return ascending$1(series).reverse(); +var interpolate$$1 = function(a, b) { + var c; + return (typeof b === "number" ? reinterpolate + : b instanceof color ? interpolateRgb + : (c = color(b)) ? (b = c, interpolateRgb) + : interpolateString)(a, b); }; -var insideOut = function(series) { - var n = series.length, - i, - j, - sums = series.map(sum$1), - order = none$1(series).sort(function(a, b) { return sums[b] - sums[a]; }), - top = 0, - bottom = 0, - tops = [], - bottoms = []; +function attrRemove$1(name) { + return function() { + this.removeAttribute(name); + }; +} - for (i = 0; i < n; ++i) { - j = order[i]; - if (top < bottom) { - top += sums[j]; - tops.push(j); - } else { - bottom += sums[j]; - bottoms.push(j); - } - } +function attrRemoveNS$1(fullname) { + return function() { + this.removeAttributeNS(fullname.space, fullname.local); + }; +} - return bottoms.reverse().concat(tops); -}; +function attrConstant$1(name, interpolate$$1, value1) { + var value00, + interpolate0; + return function() { + var value0 = this.getAttribute(name); + return value0 === value1 ? null + : value0 === value00 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value1); + }; +} + +function attrConstantNS$1(fullname, interpolate$$1, value1) { + var value00, + interpolate0; + return function() { + var value0 = this.getAttributeNS(fullname.space, fullname.local); + return value0 === value1 ? null + : value0 === value00 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value1); + }; +} + +function attrFunction$1(name, interpolate$$1, value) { + var value00, + value10, + interpolate0; + return function() { + var value0, value1 = value(this); + if (value1 == null) return void this.removeAttribute(name); + value0 = this.getAttribute(name); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + }; +} -var reverse = function(series) { - return none$1(series).reverse(); -}; +function attrFunctionNS$1(fullname, interpolate$$1, value) { + var value00, + value10, + interpolate0; + return function() { + var value0, value1 = value(this); + if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local); + value0 = this.getAttributeNS(fullname.space, fullname.local); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + }; +} -var define = function(constructor, factory, prototype) { - constructor.prototype = factory.prototype = prototype; - prototype.constructor = constructor; +var transition_attr = function(name, value) { + var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate$$1; + return this.attrTween(name, typeof value === "function" + ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) + : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) + : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); }; -function extend(parent, definition) { - var prototype = Object.create(parent.prototype); - for (var key in definition) prototype[key] = definition[key]; - return prototype; +function attrTweenNS(fullname, value) { + function tween() { + var node = this, i = value.apply(node, arguments); + return i && function(t) { + node.setAttributeNS(fullname.space, fullname.local, i(t)); + }; + } + tween._value = value; + return tween; } -function Color() {} - -var darker = 0.7; -var brighter = 1 / darker; - -var reI = "\\s*([+-]?\\d+)\\s*"; -var reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*"; -var reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*"; -var reHex3 = /^#([0-9a-f]{3})$/; -var reHex6 = /^#([0-9a-f]{6})$/; -var reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"); -var reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"); -var reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"); -var reRgbaPercent = new RegExp("^rgba\\(" + [reP, reP, reP, reN] + "\\)$"); -var reHslPercent = new RegExp("^hsl\\(" + [reN, reP, reP] + "\\)$"); -var reHslaPercent = new RegExp("^hsla\\(" + [reN, reP, reP, reN] + "\\)$"); +function attrTween(name, value) { + function tween() { + var node = this, i = value.apply(node, arguments); + return i && function(t) { + node.setAttribute(name, i(t)); + }; + } + tween._value = value; + return tween; +} -var named = { - aliceblue: 0xf0f8ff, - antiquewhite: 0xfaebd7, - aqua: 0x00ffff, - aquamarine: 0x7fffd4, - azure: 0xf0ffff, - beige: 0xf5f5dc, - bisque: 0xffe4c4, - black: 0x000000, - blanchedalmond: 0xffebcd, - blue: 0x0000ff, - blueviolet: 0x8a2be2, - brown: 0xa52a2a, - burlywood: 0xdeb887, - cadetblue: 0x5f9ea0, - chartreuse: 0x7fff00, - chocolate: 0xd2691e, - coral: 0xff7f50, - cornflowerblue: 0x6495ed, - cornsilk: 0xfff8dc, - crimson: 0xdc143c, - cyan: 0x00ffff, - darkblue: 0x00008b, - darkcyan: 0x008b8b, - darkgoldenrod: 0xb8860b, - darkgray: 0xa9a9a9, - darkgreen: 0x006400, - darkgrey: 0xa9a9a9, - darkkhaki: 0xbdb76b, - darkmagenta: 0x8b008b, - darkolivegreen: 0x556b2f, - darkorange: 0xff8c00, - darkorchid: 0x9932cc, - darkred: 0x8b0000, - darksalmon: 0xe9967a, - darkseagreen: 0x8fbc8f, - darkslateblue: 0x483d8b, - darkslategray: 0x2f4f4f, - darkslategrey: 0x2f4f4f, - darkturquoise: 0x00ced1, - darkviolet: 0x9400d3, - deeppink: 0xff1493, - deepskyblue: 0x00bfff, - dimgray: 0x696969, - dimgrey: 0x696969, - dodgerblue: 0x1e90ff, - firebrick: 0xb22222, - floralwhite: 0xfffaf0, - forestgreen: 0x228b22, - fuchsia: 0xff00ff, - gainsboro: 0xdcdcdc, - ghostwhite: 0xf8f8ff, - gold: 0xffd700, - goldenrod: 0xdaa520, - gray: 0x808080, - green: 0x008000, - greenyellow: 0xadff2f, - grey: 0x808080, - honeydew: 0xf0fff0, - hotpink: 0xff69b4, - indianred: 0xcd5c5c, - indigo: 0x4b0082, - ivory: 0xfffff0, - khaki: 0xf0e68c, - lavender: 0xe6e6fa, - lavenderblush: 0xfff0f5, - lawngreen: 0x7cfc00, - lemonchiffon: 0xfffacd, - lightblue: 0xadd8e6, - lightcoral: 0xf08080, - lightcyan: 0xe0ffff, - lightgoldenrodyellow: 0xfafad2, - lightgray: 0xd3d3d3, - lightgreen: 0x90ee90, - lightgrey: 0xd3d3d3, - lightpink: 0xffb6c1, - lightsalmon: 0xffa07a, - lightseagreen: 0x20b2aa, - lightskyblue: 0x87cefa, - lightslategray: 0x778899, - lightslategrey: 0x778899, - lightsteelblue: 0xb0c4de, - lightyellow: 0xffffe0, - lime: 0x00ff00, - limegreen: 0x32cd32, - linen: 0xfaf0e6, - magenta: 0xff00ff, - maroon: 0x800000, - mediumaquamarine: 0x66cdaa, - mediumblue: 0x0000cd, - mediumorchid: 0xba55d3, - mediumpurple: 0x9370db, - mediumseagreen: 0x3cb371, - mediumslateblue: 0x7b68ee, - mediumspringgreen: 0x00fa9a, - mediumturquoise: 0x48d1cc, - mediumvioletred: 0xc71585, - midnightblue: 0x191970, - mintcream: 0xf5fffa, - mistyrose: 0xffe4e1, - moccasin: 0xffe4b5, - navajowhite: 0xffdead, - navy: 0x000080, - oldlace: 0xfdf5e6, - olive: 0x808000, - olivedrab: 0x6b8e23, - orange: 0xffa500, - orangered: 0xff4500, - orchid: 0xda70d6, - palegoldenrod: 0xeee8aa, - palegreen: 0x98fb98, - paleturquoise: 0xafeeee, - palevioletred: 0xdb7093, - papayawhip: 0xffefd5, - peachpuff: 0xffdab9, - peru: 0xcd853f, - pink: 0xffc0cb, - plum: 0xdda0dd, - powderblue: 0xb0e0e6, - purple: 0x800080, - rebeccapurple: 0x663399, - red: 0xff0000, - rosybrown: 0xbc8f8f, - royalblue: 0x4169e1, - saddlebrown: 0x8b4513, - salmon: 0xfa8072, - sandybrown: 0xf4a460, - seagreen: 0x2e8b57, - seashell: 0xfff5ee, - sienna: 0xa0522d, - silver: 0xc0c0c0, - skyblue: 0x87ceeb, - slateblue: 0x6a5acd, - slategray: 0x708090, - slategrey: 0x708090, - snow: 0xfffafa, - springgreen: 0x00ff7f, - steelblue: 0x4682b4, - tan: 0xd2b48c, - teal: 0x008080, - thistle: 0xd8bfd8, - tomato: 0xff6347, - turquoise: 0x40e0d0, - violet: 0xee82ee, - wheat: 0xf5deb3, - white: 0xffffff, - whitesmoke: 0xf5f5f5, - yellow: 0xffff00, - yellowgreen: 0x9acd32 +var transition_attrTween = function(name, value) { + var key = "attr." + name; + if (arguments.length < 2) return (key = this.tween(key)) && key._value; + if (value == null) return this.tween(key, null); + if (typeof value !== "function") throw new Error; + var fullname = namespace(name); + return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value)); }; -define(Color, color, { - displayable: function() { - return this.rgb().displayable(); - }, - toString: function() { - return this.rgb() + ""; - } -}); +function delayFunction(id, value) { + return function() { + init(this, id).delay = +value.apply(this, arguments); + }; +} -function color(format) { - var m; - format = (format + "").trim().toLowerCase(); - return (m = reHex3.exec(format)) ? (m = parseInt(m[1], 16), new Rgb((m >> 8 & 0xf) | (m >> 4 & 0x0f0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1)) // #f00 - : (m = reHex6.exec(format)) ? rgbn(parseInt(m[1], 16)) // #ff0000 - : (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0) - : (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%) - : (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1) - : (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1) - : (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%) - : (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1) - : named.hasOwnProperty(format) ? rgbn(named[format]) - : format === "transparent" ? new Rgb(NaN, NaN, NaN, 0) - : null; +function delayConstant(id, value) { + return value = +value, function() { + init(this, id).delay = value; + }; } -function rgbn(n) { - return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1); -} +var transition_delay = function(value) { + var id = this._id; -function rgba(r, g, b, a) { - if (a <= 0) r = g = b = NaN; - return new Rgb(r, g, b, a); -} + return arguments.length + ? this.each((typeof value === "function" + ? delayFunction + : delayConstant)(id, value)) + : get$1(this.node(), id).delay; +}; -function rgbConvert(o) { - if (!(o instanceof Color)) o = color(o); - if (!o) return new Rgb; - o = o.rgb(); - return new Rgb(o.r, o.g, o.b, o.opacity); +function durationFunction(id, value) { + return function() { + set$1(this, id).duration = +value.apply(this, arguments); + }; } -function rgb(r, g, b, opacity) { - return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity); +function durationConstant(id, value) { + return value = +value, function() { + set$1(this, id).duration = value; + }; } -function Rgb(r, g, b, opacity) { - this.r = +r; - this.g = +g; - this.b = +b; - this.opacity = +opacity; +var transition_duration = function(value) { + var id = this._id; + + return arguments.length + ? this.each((typeof value === "function" + ? durationFunction + : durationConstant)(id, value)) + : get$1(this.node(), id).duration; +}; + +function easeConstant(id, value) { + if (typeof value !== "function") throw new Error; + return function() { + set$1(this, id).ease = value; + }; } -define(Rgb, rgb, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); - }, - rgb: function() { - return this; - }, - displayable: function() { - return (0 <= this.r && this.r <= 255) - && (0 <= this.g && this.g <= 255) - && (0 <= this.b && this.b <= 255) - && (0 <= this.opacity && this.opacity <= 1); - }, - toString: function() { - var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); - return (a === 1 ? "rgb(" : "rgba(") - + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.b) || 0)) - + (a === 1 ? ")" : ", " + a + ")"); +var transition_ease = function(value) { + var id = this._id; + + return arguments.length + ? this.each(easeConstant(id, value)) + : get$1(this.node(), id).ease; +}; + +var transition_filter = function(match) { + if (typeof match !== "function") match = matcher$1(match); + + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { + if ((node = group[i]) && match.call(node, node.__data__, i, group)) { + subgroup.push(node); + } + } } -})); -function hsla(h, s, l, a) { - if (a <= 0) h = s = l = NaN; - else if (l <= 0 || l >= 1) h = s = NaN; - else if (s <= 0) h = NaN; - return new Hsl(h, s, l, a); -} + return new Transition(subgroups, this._parents, this._name, this._id); +}; -function hslConvert(o) { - if (o instanceof Hsl) return new Hsl(o.h, o.s, o.l, o.opacity); - if (!(o instanceof Color)) o = color(o); - if (!o) return new Hsl; - if (o instanceof Hsl) return o; - o = o.rgb(); - var r = o.r / 255, - g = o.g / 255, - b = o.b / 255, - min = Math.min(r, g, b), - max = Math.max(r, g, b), - h = NaN, - s = max - min, - l = (max + min) / 2; - if (s) { - if (r === max) h = (g - b) / s + (g < b) * 6; - else if (g === max) h = (b - r) / s + 2; - else h = (r - g) / s + 4; - s /= l < 0.5 ? max + min : 2 - max - min; - h *= 60; - } else { - s = l > 0 && l < 1 ? 0 : h; +var transition_merge = function(transition) { + if (transition._id !== this._id) throw new Error; + + for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { + if (node = group0[i] || group1[i]) { + merge[i] = node; + } + } } - return new Hsl(h, s, l, o.opacity); + + for (; j < m0; ++j) { + merges[j] = groups0[j]; + } + + return new Transition(merges, this._parents, this._name, this._id); +}; + +function start(name) { + return (name + "").trim().split(/^|\s+/).every(function(t) { + var i = t.indexOf("."); + if (i >= 0) t = t.slice(0, i); + return !t || t === "start"; + }); } -function hsl(h, s, l, opacity) { - return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity); +function onFunction(id, name, listener) { + var on0, on1, sit = start(name) ? init : set$1; + return function() { + var schedule = sit(this, id), + on = schedule.on; + + // If this node shared a dispatch with the previous node, + // just assign the updated shared dispatch and we’re done! + // Otherwise, copy-on-write. + if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener); + + schedule.on = on1; + }; } -function Hsl(h, s, l, opacity) { - this.h = +h; - this.s = +s; - this.l = +l; - this.opacity = +opacity; +var transition_on = function(name, listener) { + var id = this._id; + + return arguments.length < 2 + ? get$1(this.node(), id).on.on(name) + : this.each(onFunction(id, name, listener)); +}; + +function removeFunction(id) { + return function() { + var parent = this.parentNode; + for (var i in this.__transition) if (+i !== id) return; + if (parent) parent.removeChild(this); + }; } -define(Hsl, hsl, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Hsl(this.h, this.s, this.l * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Hsl(this.h, this.s, this.l * k, this.opacity); - }, - rgb: function() { - var h = this.h % 360 + (this.h < 0) * 360, - s = isNaN(h) || isNaN(this.s) ? 0 : this.s, - l = this.l, - m2 = l + (l < 0.5 ? l : 1 - l) * s, - m1 = 2 * l - m2; - return new Rgb( - hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2), - hsl2rgb(h, m1, m2), - hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2), - this.opacity - ); - }, - displayable: function() { - return (0 <= this.s && this.s <= 1 || isNaN(this.s)) - && (0 <= this.l && this.l <= 1) - && (0 <= this.opacity && this.opacity <= 1); +var transition_remove = function() { + return this.on("end.remove", removeFunction(this._id)); +}; + +var transition_select = function(select$$1) { + var name = this._name, + id = this._id; + + if (typeof select$$1 !== "function") select$$1 = selector(select$$1); + + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { + if ((node = group[i]) && (subnode = select$$1.call(node, node.__data__, i, group))) { + if ("__data__" in node) subnode.__data__ = node.__data__; + subgroup[i] = subnode; + schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); + } + } } -})); -/* From FvD 13.37, CSS Color Module Level 3 */ -function hsl2rgb(h, m1, m2) { - return (h < 60 ? m1 + (m2 - m1) * h / 60 - : h < 180 ? m2 - : h < 240 ? m1 + (m2 - m1) * (240 - h) / 60 - : m1) * 255; -} + return new Transition(subgroups, this._parents, name, id); +}; -var deg2rad = Math.PI / 180; -var rad2deg = 180 / Math.PI; +var transition_selectAll = function(select$$1) { + var name = this._name, + id = this._id; -var Kn = 18; -var Xn = 0.950470; -var Yn = 1; -var Zn = 1.088830; -var t0 = 4 / 29; -var t1 = 6 / 29; -var t2 = 3 * t1 * t1; -var t3 = t1 * t1 * t1; + if (typeof select$$1 !== "function") select$$1 = selectorAll(select$$1); -function labConvert(o) { - if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); - if (o instanceof Hcl) { - var h = o.h * deg2rad; - return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); + for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + for (var children = select$$1.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { + if (child = children[k]) { + schedule(child, name, id, k, children, inherit); + } + } + subgroups.push(children); + parents.push(node); + } + } } - if (!(o instanceof Rgb)) o = rgbConvert(o); - var b = rgb2xyz(o.r), - a = rgb2xyz(o.g), - l = rgb2xyz(o.b), - x = xyz2lab((0.4124564 * b + 0.3575761 * a + 0.1804375 * l) / Xn), - y = xyz2lab((0.2126729 * b + 0.7151522 * a + 0.0721750 * l) / Yn), - z = xyz2lab((0.0193339 * b + 0.1191920 * a + 0.9503041 * l) / Zn); - return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity); -} -function lab(l, a, b, opacity) { - return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity); -} + return new Transition(subgroups, parents, name, id); +}; -function Lab(l, a, b, opacity) { - this.l = +l; - this.a = +a; - this.b = +b; - this.opacity = +opacity; -} +var Selection$1 = selection.prototype.constructor; -define(Lab, lab, extend(Color, { - brighter: function(k) { - return new Lab(this.l + Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); - }, - darker: function(k) { - return new Lab(this.l - Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); - }, - rgb: function() { - var y = (this.l + 16) / 116, - x = isNaN(this.a) ? y : y + this.a / 500, - z = isNaN(this.b) ? y : y - this.b / 200; - y = Yn * lab2xyz(y); - x = Xn * lab2xyz(x); - z = Zn * lab2xyz(z); - return new Rgb( - xyz2rgb( 3.2404542 * x - 1.5371385 * y - 0.4985314 * z), // D65 -> sRGB - xyz2rgb(-0.9692660 * x + 1.8760108 * y + 0.0415560 * z), - xyz2rgb( 0.0556434 * x - 0.2040259 * y + 1.0572252 * z), - this.opacity - ); - } -})); +var transition_selection = function() { + return new Selection$1(this._groups, this._parents); +}; -function xyz2lab(t) { - return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0; +function styleRemove$1(name, interpolate$$2) { + var value00, + value10, + interpolate0; + return function() { + var style = window(this).getComputedStyle(this, null), + value0 = style.getPropertyValue(name), + value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate$$2(value00 = value0, value10 = value1); + }; } -function lab2xyz(t) { - return t > t1 ? t * t * t : t2 * (t - t0); +function styleRemoveEnd(name) { + return function() { + this.style.removeProperty(name); + }; } -function xyz2rgb(x) { - return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055); +function styleConstant$1(name, interpolate$$2, value1) { + var value00, + interpolate0; + return function() { + var value0 = window(this).getComputedStyle(this, null).getPropertyValue(name); + return value0 === value1 ? null + : value0 === value00 ? interpolate0 + : interpolate0 = interpolate$$2(value00 = value0, value1); + }; } -function rgb2xyz(x) { - return (x /= 255) <= 0.04045 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4); +function styleFunction$1(name, interpolate$$2, value) { + var value00, + value10, + interpolate0; + return function() { + var style = window(this).getComputedStyle(this, null), + value0 = style.getPropertyValue(name), + value1 = value(this); + if (value1 == null) value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + return value0 === value1 ? null + : value0 === value00 && value1 === value10 ? interpolate0 + : interpolate0 = interpolate$$2(value00 = value0, value10 = value1); + }; } -function hclConvert(o) { - if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); - if (!(o instanceof Lab)) o = labConvert(o); - var h = Math.atan2(o.b, o.a) * rad2deg; - return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); +var transition_style = function(name, value, priority) { + var i = (name += "") === "transform" ? interpolateTransformCss : interpolate$$1; + return value == null ? this + .styleTween(name, styleRemove$1(name, i)) + .on("end.style." + name, styleRemoveEnd(name)) + : this.styleTween(name, typeof value === "function" + ? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) + : styleConstant$1(name, i, value), priority); +}; + +function styleTween(name, value, priority) { + function tween() { + var node = this, i = value.apply(node, arguments); + return i && function(t) { + node.style.setProperty(name, i(t), priority); + }; + } + tween._value = value; + return tween; } -function hcl(h, c, l, opacity) { - return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity); +var transition_styleTween = function(name, value, priority) { + var key = "style." + (name += ""); + if (arguments.length < 2) return (key = this.tween(key)) && key._value; + if (value == null) return this.tween(key, null); + if (typeof value !== "function") throw new Error; + return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); +}; + +function textConstant$1(value) { + return function() { + this.textContent = value; + }; } -function Hcl(h, c, l, opacity) { - this.h = +h; - this.c = +c; - this.l = +l; - this.opacity = +opacity; +function textFunction$1(value) { + return function() { + var value1 = value(this); + this.textContent = value1 == null ? "" : value1; + }; } -define(Hcl, hcl, extend(Color, { - brighter: function(k) { - return new Hcl(this.h, this.c, this.l + Kn * (k == null ? 1 : k), this.opacity); - }, - darker: function(k) { - return new Hcl(this.h, this.c, this.l - Kn * (k == null ? 1 : k), this.opacity); - }, - rgb: function() { - return labConvert(this).rgb(); +var transition_text = function(value) { + return this.tween("text", typeof value === "function" + ? textFunction$1(tweenValue(this, "text", value)) + : textConstant$1(value == null ? "" : value + "")); +}; + +var transition_transition = function() { + var name = this._name, + id0 = this._id, + id1 = newId(); + + for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + var inherit = get$1(node, id0); + schedule(node, name, id1, i, group, { + time: inherit.time + inherit.delay + inherit.duration, + delay: 0, + duration: inherit.duration, + ease: inherit.ease + }); + } + } } -})); -var A = -0.14861; -var B = +1.78277; -var C = -0.29227; -var D = -0.90649; -var E = +1.97294; -var ED = E * D; -var EB = E * B; -var BC_DA = B * C - D * A; + return new Transition(groups, this._parents, name, id1); +}; -function cubehelixConvert(o) { - if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity); - if (!(o instanceof Rgb)) o = rgbConvert(o); - var r = o.r / 255, - g = o.g / 255, - b = o.b / 255, - l = (BC_DA * b + ED * r - EB * g) / (BC_DA + ED - EB), - bl = b - l, - k = (E * (g - l) - C * bl) / D, - s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1 - h = s ? Math.atan2(k, bl) * rad2deg - 120 : NaN; - return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity); -} +var id = 0; -function cubehelix(h, s, l, opacity) { - return arguments.length === 1 ? cubehelixConvert(h) : new Cubehelix(h, s, l, opacity == null ? 1 : opacity); +function Transition(groups, parents, name, id) { + this._groups = groups; + this._parents = parents; + this._name = name; + this._id = id; } -function Cubehelix(h, s, l, opacity) { - this.h = +h; - this.s = +s; - this.l = +l; - this.opacity = +opacity; +function transition(name) { + return selection().transition(name); } -define(Cubehelix, cubehelix, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Cubehelix(this.h, this.s, this.l * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Cubehelix(this.h, this.s, this.l * k, this.opacity); - }, - rgb: function() { - var h = isNaN(this.h) ? 0 : (this.h + 120) * deg2rad, - l = +this.l, - a = isNaN(this.s) ? 0 : this.s * l * (1 - l), - cosh = Math.cos(h), - sinh = Math.sin(h); - return new Rgb( - 255 * (l + a * (A * cosh + B * sinh)), - 255 * (l + a * (C * cosh + D * sinh)), - 255 * (l + a * (E * cosh)), - this.opacity - ); - } -})); - -function basis$1(t1, v0, v1, v2, v3) { - var t2 = t1 * t1, t3 = t2 * t1; - return ((1 - 3 * t1 + 3 * t2 - t3) * v0 - + (4 - 6 * t2 + 3 * t3) * v1 - + (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2 - + t3 * v3) / 6; +function newId() { + return ++id; } -var basis$2 = function(values) { - var n = values.length - 1; - return function(t) { - var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n), - v1 = values[i], - v2 = values[i + 1], - v0 = i > 0 ? values[i - 1] : 2 * v1 - v2, - v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; - return basis$1((t - i / n) * n, v0, v1, v2, v3); - }; +var selection_prototype = selection.prototype; + +Transition.prototype = transition.prototype = { + constructor: Transition, + select: transition_select, + selectAll: transition_selectAll, + filter: transition_filter, + merge: transition_merge, + selection: transition_selection, + transition: transition_transition, + call: selection_prototype.call, + nodes: selection_prototype.nodes, + node: selection_prototype.node, + size: selection_prototype.size, + empty: selection_prototype.empty, + each: selection_prototype.each, + on: transition_on, + attr: transition_attr, + attrTween: transition_attrTween, + style: transition_style, + styleTween: transition_styleTween, + text: transition_text, + remove: transition_remove, + tween: transition_tween, + delay: transition_delay, + duration: transition_duration, + ease: transition_ease }; -var basisClosed$1 = function(values) { - var n = values.length; - return function(t) { - var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n), - v0 = values[(i + n - 1) % n], - v1 = values[i % n], - v2 = values[(i + 1) % n], - v3 = values[(i + 2) % n]; - return basis$1((t - i / n) * n, v0, v1, v2, v3); - }; -}; +function linear$1(t) { + return +t; +} -var constant$3 = function(x) { - return function() { - return x; - }; -}; +function quadIn(t) { + return t * t; +} -function linear$1(a, d) { - return function(t) { - return a + t * d; - }; +function quadOut(t) { + return t * (2 - t); } -function exponential$1(a, b, y) { - return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) { - return Math.pow(a + t * b, y); - }; +function quadInOut(t) { + return ((t *= 2) <= 1 ? t * t : --t * (2 - t) + 1) / 2; } -function hue(a, b) { - var d = b - a; - return d ? linear$1(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$3(isNaN(a) ? b : a); +function cubicIn(t) { + return t * t * t; } -function gamma(y) { - return (y = +y) === 1 ? nogamma : function(a, b) { - return b - a ? exponential$1(a, b, y) : constant$3(isNaN(a) ? b : a); - }; +function cubicOut(t) { + return --t * t * t + 1; } -function nogamma(a, b) { - var d = b - a; - return d ? linear$1(a, d) : constant$3(isNaN(a) ? b : a); +function cubicInOut(t) { + return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2; } -var interpolateRgb = (function rgbGamma(y) { - var color$$1 = gamma(y); +var exponent = 3; - function rgb$$1(start, end) { - var r = color$$1((start = rgb(start)).r, (end = rgb(end)).r), - g = color$$1(start.g, end.g), - b = color$$1(start.b, end.b), - opacity = color$$1(start.opacity, end.opacity); - return function(t) { - start.r = r(t); - start.g = g(t); - start.b = b(t); - start.opacity = opacity(t); - return start + ""; - }; +var polyIn = (function custom(e) { + e = +e; + + function polyIn(t) { + return Math.pow(t, e); } - rgb$$1.gamma = rgbGamma; + polyIn.exponent = custom; - return rgb$$1; -})(1); + return polyIn; +})(exponent); -function rgbSpline(spline) { - return function(colors) { - var n = colors.length, - r = new Array(n), - g = new Array(n), - b = new Array(n), - i, color$$1; - for (i = 0; i < n; ++i) { - color$$1 = rgb(colors[i]); - r[i] = color$$1.r || 0; - g[i] = color$$1.g || 0; - b[i] = color$$1.b || 0; - } - r = spline(r); - g = spline(g); - b = spline(b); - color$$1.opacity = 1; - return function(t) { - color$$1.r = r(t); - color$$1.g = g(t); - color$$1.b = b(t); - return color$$1 + ""; - }; - }; -} +var polyOut = (function custom(e) { + e = +e; -var rgbBasis = rgbSpline(basis$2); -var rgbBasisClosed = rgbSpline(basisClosed$1); + function polyOut(t) { + return 1 - Math.pow(1 - t, e); + } -var array$1 = function(a, b) { - var nb = b ? b.length : 0, - na = a ? Math.min(nb, a.length) : 0, - x = new Array(nb), - c = new Array(nb), - i; + polyOut.exponent = custom; - for (i = 0; i < na; ++i) x[i] = interpolate(a[i], b[i]); - for (; i < nb; ++i) c[i] = b[i]; + return polyOut; +})(exponent); - return function(t) { - for (i = 0; i < na; ++i) c[i] = x[i](t); - return c; - }; -}; +var polyInOut = (function custom(e) { + e = +e; -var date = function(a, b) { - var d = new Date; - return a = +a, b -= a, function(t) { - return d.setTime(a + b * t), d; - }; -}; + function polyInOut(t) { + return ((t *= 2) <= 1 ? Math.pow(t, e) : 2 - Math.pow(2 - t, e)) / 2; + } -var interpolateNumber = function(a, b) { - return a = +a, b -= a, function(t) { - return a + b * t; - }; -}; + polyInOut.exponent = custom; -var object = function(a, b) { - var i = {}, - c = {}, - k; + return polyInOut; +})(exponent); - if (a === null || typeof a !== "object") a = {}; - if (b === null || typeof b !== "object") b = {}; +var pi = Math.PI; +var halfPi = pi / 2; - for (k in b) { - if (k in a) { - i[k] = interpolate(a[k], b[k]); - } else { - c[k] = b[k]; - } - } +function sinIn(t) { + return 1 - Math.cos(t * halfPi); +} - return function(t) { - for (k in i) c[k] = i[k](t); - return c; - }; -}; +function sinOut(t) { + return Math.sin(t * halfPi); +} -var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; -var reB = new RegExp(reA.source, "g"); +function sinInOut(t) { + return (1 - Math.cos(pi * t)) / 2; +} -function zero(b) { - return function() { - return b; - }; +function expIn(t) { + return Math.pow(2, 10 * t - 10); } -function one(b) { - return function(t) { - return b(t) + ""; - }; +function expOut(t) { + return 1 - Math.pow(2, -10 * t); } -var interpolateString = function(a, b) { - var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b - am, // current match in a - bm, // current match in b - bs, // string preceding current number in b, if any - i = -1, // index in s - s = [], // string constants and placeholders - q = []; // number interpolators +function expInOut(t) { + return ((t *= 2) <= 1 ? Math.pow(2, 10 * t - 10) : 2 - Math.pow(2, 10 - 10 * t)) / 2; +} - // Coerce inputs to strings. - a = a + "", b = b + ""; +function circleIn(t) { + return 1 - Math.sqrt(1 - t * t); +} - // Interpolate pairs of numbers in a & b. - while ((am = reA.exec(a)) - && (bm = reB.exec(b))) { - if ((bs = bm.index) > bi) { // a string precedes the next number in b - bs = b.slice(bi, bs); - if (s[i]) s[i] += bs; // coalesce with previous string - else s[++i] = bs; - } - if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match - if (s[i]) s[i] += bm; // coalesce with previous string - else s[++i] = bm; - } else { // interpolate non-matching numbers - s[++i] = null; - q.push({i: i, x: interpolateNumber(am, bm)}); - } - bi = reB.lastIndex; - } +function circleOut(t) { + return Math.sqrt(1 - --t * t); +} + +function circleInOut(t) { + return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2; +} + +var b1 = 4 / 11; +var b2 = 6 / 11; +var b3 = 8 / 11; +var b4 = 3 / 4; +var b5 = 9 / 11; +var b6 = 10 / 11; +var b7 = 15 / 16; +var b8 = 21 / 22; +var b9 = 63 / 64; +var b0 = 1 / b1 / b1; + +function bounceIn(t) { + return 1 - bounceOut(1 - t); +} + +function bounceOut(t) { + return (t = +t) < b1 ? b0 * t * t : t < b3 ? b0 * (t -= b2) * t + b4 : t < b6 ? b0 * (t -= b5) * t + b7 : b0 * (t -= b8) * t + b9; +} + +function bounceInOut(t) { + return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2; +} + +var overshoot = 1.70158; + +var backIn = (function custom(s) { + s = +s; - // Add remains of b. - if (bi < b.length) { - bs = b.slice(bi); - if (s[i]) s[i] += bs; // coalesce with previous string - else s[++i] = bs; + function backIn(t) { + return t * t * ((s + 1) * t - s); } - // Special optimization for only a single match. - // Otherwise, interpolate each of the numbers and rejoin the string. - return s.length < 2 ? (q[0] - ? one(q[0].x) - : zero(b)) - : (b = q.length, function(t) { - for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); - return s.join(""); - }); -}; + backIn.overshoot = custom; -var interpolate = function(a, b) { - var t = typeof b, c; - return b == null || t === "boolean" ? constant$3(b) - : (t === "number" ? interpolateNumber - : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) - : b instanceof color ? interpolateRgb - : b instanceof Date ? date - : Array.isArray(b) ? array$1 - : isNaN(b) ? object - : interpolateNumber)(a, b); -}; + return backIn; +})(overshoot); -var interpolateRound = function(a, b) { - return a = +a, b -= a, function(t) { - return Math.round(a + b * t); - }; -}; +var backOut = (function custom(s) { + s = +s; -var degrees = 180 / Math.PI; + function backOut(t) { + return --t * t * ((s + 1) * t + s) + 1; + } -var identity$2 = { - translateX: 0, - translateY: 0, - rotate: 0, - skewX: 0, - scaleX: 1, - scaleY: 1 -}; + backOut.overshoot = custom; -var decompose = function(a, b, c, d, e, f) { - var scaleX, scaleY, skewX; - if (scaleX = Math.sqrt(a * a + b * b)) a /= scaleX, b /= scaleX; - if (skewX = a * c + b * d) c -= a * skewX, d -= b * skewX; - if (scaleY = Math.sqrt(c * c + d * d)) c /= scaleY, d /= scaleY, skewX /= scaleY; - if (a * d < b * c) a = -a, b = -b, skewX = -skewX, scaleX = -scaleX; - return { - translateX: e, - translateY: f, - rotate: Math.atan2(b, a) * degrees, - skewX: Math.atan(skewX) * degrees, - scaleX: scaleX, - scaleY: scaleY - }; -}; + return backOut; +})(overshoot); -var cssNode; -var cssRoot; -var cssView; -var svgNode; +var backInOut = (function custom(s) { + s = +s; -function parseCss(value) { - if (value === "none") return identity$2; - if (!cssNode) cssNode = document.createElement("DIV"), cssRoot = document.documentElement, cssView = document.defaultView; - cssNode.style.transform = value; - value = cssView.getComputedStyle(cssRoot.appendChild(cssNode), null).getPropertyValue("transform"); - cssRoot.removeChild(cssNode); - value = value.slice(7, -1).split(","); - return decompose(+value[0], +value[1], +value[2], +value[3], +value[4], +value[5]); -} + function backInOut(t) { + return ((t *= 2) < 1 ? t * t * ((s + 1) * t - s) : (t -= 2) * t * ((s + 1) * t + s) + 2) / 2; + } -function parseSvg(value) { - if (value == null) return identity$2; - if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g"); - svgNode.setAttribute("transform", value); - if (!(value = svgNode.transform.baseVal.consolidate())) return identity$2; - value = value.matrix; - return decompose(value.a, value.b, value.c, value.d, value.e, value.f); -} + backInOut.overshoot = custom; -function interpolateTransform(parse, pxComma, pxParen, degParen) { + return backInOut; +})(overshoot); - function pop(s) { - return s.length ? s.pop() + " " : ""; - } +var tau = 2 * Math.PI; +var amplitude = 1; +var period = 0.3; - function translate(xa, ya, xb, yb, s, q) { - if (xa !== xb || ya !== yb) { - var i = s.push("translate(", null, pxComma, null, pxParen); - q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); - } else if (xb || yb) { - s.push("translate(" + xb + pxComma + yb + pxParen); - } - } +var elasticIn = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); - function rotate(a, b, s, q) { - if (a !== b) { - if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path - q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: interpolateNumber(a, b)}); - } else if (b) { - s.push(pop(s) + "rotate(" + b + degParen); - } + function elasticIn(t) { + return a * Math.pow(2, 10 * --t) * Math.sin((s - t) / p); } - function skewX(a, b, s, q) { - if (a !== b) { - q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: interpolateNumber(a, b)}); - } else if (b) { - s.push(pop(s) + "skewX(" + b + degParen); - } - } + elasticIn.amplitude = function(a) { return custom(a, p * tau); }; + elasticIn.period = function(p) { return custom(a, p); }; - function scale(xa, ya, xb, yb, s, q) { - if (xa !== xb || ya !== yb) { - var i = s.push(pop(s) + "scale(", null, ",", null, ")"); - q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); - } else if (xb !== 1 || yb !== 1) { - s.push(pop(s) + "scale(" + xb + "," + yb + ")"); - } + return elasticIn; +})(amplitude, period); + +var elasticOut = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); + + function elasticOut(t) { + return 1 - a * Math.pow(2, -10 * (t = +t)) * Math.sin((t + s) / p); } - return function(a, b) { - var s = [], // string constants and placeholders - q = []; // number interpolators - a = parse(a), b = parse(b); - translate(a.translateX, a.translateY, b.translateX, b.translateY, s, q); - rotate(a.rotate, b.rotate, s, q); - skewX(a.skewX, b.skewX, s, q); - scale(a.scaleX, a.scaleY, b.scaleX, b.scaleY, s, q); - a = b = null; // gc - return function(t) { - var i = -1, n = q.length, o; - while (++i < n) s[(o = q[i]).i] = o.x(t); - return s.join(""); - }; - }; -} + elasticOut.amplitude = function(a) { return custom(a, p * tau); }; + elasticOut.period = function(p) { return custom(a, p); }; -var interpolateTransformCss = interpolateTransform(parseCss, "px, ", "px)", "deg)"); -var interpolateTransformSvg = interpolateTransform(parseSvg, ", ", ")", ")"); + return elasticOut; +})(amplitude, period); -var rho = Math.SQRT2; -var rho2 = 2; -var rho4 = 4; -var epsilon2 = 1e-12; +var elasticInOut = (function custom(a, p) { + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); -function cosh(x) { - return ((x = Math.exp(x)) + 1 / x) / 2; -} + function elasticInOut(t) { + return ((t = t * 2 - 1) < 0 + ? a * Math.pow(2, 10 * t) * Math.sin((s - t) / p) + : 2 - a * Math.pow(2, -10 * t) * Math.sin((s + t) / p)) / 2; + } -function sinh(x) { - return ((x = Math.exp(x)) - 1 / x) / 2; -} + elasticInOut.amplitude = function(a) { return custom(a, p * tau); }; + elasticInOut.period = function(p) { return custom(a, p); }; -function tanh(x) { - return ((x = Math.exp(2 * x)) - 1) / (x + 1); + return elasticInOut; +})(amplitude, period); + +var defaultTiming = { + time: null, // Set on use. + delay: 0, + duration: 250, + ease: cubicInOut +}; + +function inherit(node, id) { + var timing; + while (!(timing = node.__transition) || !(timing = timing[id])) { + if (!(node = node.parentNode)) { + return defaultTiming.time = now(), defaultTiming; + } + } + return timing; } -// p0 = [ux0, uy0, w0] -// p1 = [ux1, uy1, w1] -var interpolateZoom = function(p0, p1) { - var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], - ux1 = p1[0], uy1 = p1[1], w1 = p1[2], - dx = ux1 - ux0, - dy = uy1 - uy0, - d2 = dx * dx + dy * dy, - i, - S; +var selection_transition = function(name) { + var id, + timing; - // Special case for u0 ≅ u1. - if (d2 < epsilon2) { - S = Math.log(w1 / w0) / rho; - i = function(t) { - return [ - ux0 + t * dx, - uy0 + t * dy, - w0 * Math.exp(rho * t * S) - ]; - }; + if (name instanceof Transition) { + id = name._id, name = name._name; + } else { + id = newId(), (timing = defaultTiming).time = now(), name = name == null ? null : name + ""; } - // General case. - else { - var d1 = Math.sqrt(d2), - b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), - b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), - r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), - r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); - S = (r1 - r0) / rho; - i = function(t) { - var s = t * S, - coshr0 = cosh(r0), - u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0)); - return [ - ux0 + u * dx, - uy0 + u * dy, - w0 * coshr0 / cosh(rho * s + r0) - ]; - }; + for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + schedule(node, name, id, i, group, timing || inherit(node, id)); + } + } } - i.duration = S * 1000; + return new Transition(groups, this._parents, name, id); +}; + +selection.prototype.interrupt = selection_interrupt; +selection.prototype.transition = selection_transition; + +var root$1 = [null]; - return i; -}; +var active = function(node, name) { + var schedules = node.__transition, + schedule, + i; -function hsl$1(hue$$1) { - return function(start, end) { - var h = hue$$1((start = hsl(start)).h, (end = hsl(end)).h), - s = nogamma(start.s, end.s), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.s = s(t); - start.l = l(t); - start.opacity = opacity(t); - return start + ""; - }; + if (schedules) { + name = name == null ? null : name + ""; + for (i in schedules) { + if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { + return new Transition([[node]], root$1, name, +i); + } + } } -} -var hsl$2 = hsl$1(hue); -var hslLong = hsl$1(nogamma); + return null; +}; -function lab$1(start, end) { - var l = nogamma((start = lab(start)).l, (end = lab(end)).l), - a = nogamma(start.a, end.a), - b = nogamma(start.b, end.b), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.l = l(t); - start.a = a(t); - start.b = b(t); - start.opacity = opacity(t); - return start + ""; +var constant$4 = function(x) { + return function() { + return x; }; -} +}; -function hcl$1(hue$$1) { - return function(start, end) { - var h = hue$$1((start = hcl(start)).h, (end = hcl(end)).h), - c = nogamma(start.c, end.c), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.c = c(t); - start.l = l(t); - start.opacity = opacity(t); - return start + ""; - }; - } +var BrushEvent = function(target, type, selection) { + this.target = target; + this.type = type; + this.selection = selection; +}; + +function nopropagation$1() { + exports.event.stopImmediatePropagation(); } -var hcl$2 = hcl$1(hue); -var hclLong = hcl$1(nogamma); +var noevent$1 = function() { + exports.event.preventDefault(); + exports.event.stopImmediatePropagation(); +}; -function cubehelix$1(hue$$1) { - return (function cubehelixGamma(y) { - y = +y; +var MODE_DRAG = {name: "drag"}; +var MODE_SPACE = {name: "space"}; +var MODE_HANDLE = {name: "handle"}; +var MODE_CENTER = {name: "center"}; - function cubehelix$$1(start, end) { - var h = hue$$1((start = cubehelix(start)).h, (end = cubehelix(end)).h), - s = nogamma(start.s, end.s), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.s = s(t); - start.l = l(Math.pow(t, y)); - start.opacity = opacity(t); - return start + ""; - }; - } +var X = { + name: "x", + handles: ["e", "w"].map(type), + input: function(x, e) { return x && [[x[0], e[0][1]], [x[1], e[1][1]]]; }, + output: function(xy) { return xy && [xy[0][0], xy[1][0]]; } +}; - cubehelix$$1.gamma = cubehelixGamma; +var Y = { + name: "y", + handles: ["n", "s"].map(type), + input: function(y, e) { return y && [[e[0][0], y[0]], [e[1][0], y[1]]]; }, + output: function(xy) { return xy && [xy[0][1], xy[1][1]]; } +}; - return cubehelix$$1; - })(1); -} +var XY = { + name: "xy", + handles: ["n", "e", "s", "w", "nw", "ne", "se", "sw"].map(type), + input: function(xy) { return xy; }, + output: function(xy) { return xy; } +}; -var cubehelix$2 = cubehelix$1(hue); -var cubehelixLong = cubehelix$1(nogamma); +var cursors = { + overlay: "crosshair", + selection: "move", + n: "ns-resize", + e: "ew-resize", + s: "ns-resize", + w: "ew-resize", + nw: "nwse-resize", + ne: "nesw-resize", + se: "nwse-resize", + sw: "nesw-resize" +}; -var quantize = function(interpolator, n) { - var samples = new Array(n); - for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); - return samples; +var flipX = { + e: "w", + w: "e", + nw: "ne", + ne: "nw", + se: "sw", + sw: "se" }; -var noop$1 = {value: function() {}}; +var flipY = { + n: "s", + s: "n", + nw: "sw", + ne: "se", + se: "ne", + sw: "nw" +}; -function dispatch() { - for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { - if (!(t = arguments[i] + "") || (t in _)) throw new Error("illegal type: " + t); - _[t] = []; - } - return new Dispatch(_); -} +var signsX = { + overlay: +1, + selection: +1, + n: null, + e: +1, + s: null, + w: -1, + nw: -1, + ne: +1, + se: +1, + sw: -1 +}; -function Dispatch(_) { - this._ = _; -} +var signsY = { + overlay: +1, + selection: +1, + n: -1, + e: null, + s: +1, + w: null, + nw: -1, + ne: -1, + se: +1, + sw: +1 +}; -function parseTypenames(typenames, types) { - return typenames.trim().split(/^|\s+/).map(function(t) { - var name = "", i = t.indexOf("."); - if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); - if (t && !types.hasOwnProperty(t)) throw new Error("unknown type: " + t); - return {type: t, name: name}; - }); +function type(t) { + return {type: t}; } -Dispatch.prototype = dispatch.prototype = { - constructor: Dispatch, - on: function(typename, callback) { - var _ = this._, - T = parseTypenames(typename + "", _), - t, - i = -1, - n = T.length; - - // If no callback was specified, return the callback of the given type and name. - if (arguments.length < 2) { - while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t; - return; - } +// Ignore right-click, since that should open the context menu. +function defaultFilter() { + return !exports.event.button; +} - // If a type was specified, set the callback for the given type and name. - // Otherwise, if a null callback was specified, remove callbacks of the given name. - if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback); - while (++i < n) { - if (t = (typename = T[i]).type) _[t] = set$2(_[t], typename.name, callback); - else if (callback == null) for (t in _) _[t] = set$2(_[t], typename.name, null); - } +function defaultExtent() { + var svg = this.ownerSVGElement || this; + return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]]; +} - return this; - }, - copy: function() { - var copy = {}, _ = this._; - for (var t in _) copy[t] = _[t].slice(); - return new Dispatch(copy); - }, - call: function(type, that) { - if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) args[i] = arguments[i + 2]; - if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); - for (t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); - }, - apply: function(type, that, args) { - if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); - for (var t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); - } -}; +// Like d3.local, but with the name “__brush” rather than auto-generated. +function local$$1(node) { + while (!node.__brush) if (!(node = node.parentNode)) return; + return node.__brush; +} -function get(type, name) { - for (var i = 0, n = type.length, c; i < n; ++i) { - if ((c = type[i]).name === name) { - return c.value; - } - } +function empty(extent) { + return extent[0][0] === extent[1][0] + || extent[0][1] === extent[1][1]; } -function set$2(type, name, callback) { - for (var i = 0, n = type.length; i < n; ++i) { - if (type[i].name === name) { - type[i] = noop$1, type = type.slice(0, i).concat(type.slice(i + 1)); - break; - } - } - if (callback != null) type.push({name: name, value: callback}); - return type; +function brushSelection(node) { + var state = node.__brush; + return state ? state.dim.output(state.selection) : null; } -function objectConverter(columns) { - return new Function("d", "return {" + columns.map(function(name, i) { - return JSON.stringify(name) + ": d[" + i + "]"; - }).join(",") + "}"); +function brushX() { + return brush$1(X); } -function customConverter(columns, f) { - var object = objectConverter(columns); - return function(row, i) { - return f(object(row), i, columns); - }; +function brushY() { + return brush$1(Y); } -// Compute unique columns in order of discovery. -function inferColumns(rows) { - var columnSet = Object.create(null), - columns = []; +var brush = function() { + return brush$1(XY); +}; - rows.forEach(function(row) { - for (var column in row) { - if (!(column in columnSet)) { - columns.push(columnSet[column] = column); - } - } - }); +function brush$1(dim) { + var extent = defaultExtent, + filter = defaultFilter, + listeners = dispatch(brush, "start", "brush", "end"), + handleSize = 6, + touchending; - return columns; -} + function brush(group) { + var overlay = group + .property("__brush", initialize) + .selectAll(".overlay") + .data([type("overlay")]); -var dsv = function(delimiter) { - var reFormat = new RegExp("[\"" + delimiter + "\n]"), - delimiterCode = delimiter.charCodeAt(0); + overlay.enter().append("rect") + .attr("class", "overlay") + .attr("pointer-events", "all") + .attr("cursor", cursors.overlay) + .merge(overlay) + .each(function() { + var extent = local$$1(this).extent; + select(this) + .attr("x", extent[0][0]) + .attr("y", extent[0][1]) + .attr("width", extent[1][0] - extent[0][0]) + .attr("height", extent[1][1] - extent[0][1]); + }); - function parse(text, f) { - var convert, columns, rows = parseRows(text, function(row, i) { - if (convert) return convert(row, i - 1); - columns = row, convert = f ? customConverter(row, f) : objectConverter(row); - }); - rows.columns = columns; - return rows; - } + group.selectAll(".selection") + .data([type("selection")]) + .enter().append("rect") + .attr("class", "selection") + .attr("cursor", cursors.selection) + .attr("fill", "#777") + .attr("fill-opacity", 0.3) + .attr("stroke", "#fff") + .attr("shape-rendering", "crispEdges"); - function parseRows(text, f) { - var EOL = {}, // sentinel value for end-of-line - EOF = {}, // sentinel value for end-of-file - rows = [], // output rows - N = text.length, - I = 0, // current character index - n = 0, // the current line number - t, // the current token - eol; // is the current token followed by EOL? + var handle = group.selectAll(".handle") + .data(dim.handles, function(d) { return d.type; }); - function token() { - if (I >= N) return EOF; // special case: end of file - if (eol) return eol = false, EOL; // special case: end of line + handle.exit().remove(); - // special case: quotes - var j = I, c; - if (text.charCodeAt(j) === 34) { - var i = j; - while (i++ < N) { - if (text.charCodeAt(i) === 34) { - if (text.charCodeAt(i + 1) !== 34) break; - ++i; - } - } - I = i + 2; - c = text.charCodeAt(i + 1); - if (c === 13) { - eol = true; - if (text.charCodeAt(i + 2) === 10) ++I; - } else if (c === 10) { - eol = true; - } - return text.slice(j + 1, i).replace(/""/g, "\""); - } + handle.enter().append("rect") + .attr("class", function(d) { return "handle handle--" + d.type; }) + .attr("cursor", function(d) { return cursors[d.type]; }); - // common case: find next delimiter or newline - while (I < N) { - var k = 1; - c = text.charCodeAt(I++); - if (c === 10) eol = true; // \n - else if (c === 13) { eol = true; if (text.charCodeAt(I) === 10) ++I, ++k; } // \r|\r\n - else if (c !== delimiterCode) continue; - return text.slice(j, I - k); - } + group + .each(redraw) + .attr("fill", "none") + .attr("pointer-events", "all") + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") + .on("mousedown.brush touchstart.brush", started); + } - // special case: last token before EOF - return text.slice(j); - } + brush.move = function(group, selection$$1) { + if (group.selection) { + group + .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) + .on("interrupt.brush end.brush", function() { emitter(this, arguments).end(); }) + .tween("brush", function() { + var that = this, + state = that.__brush, + emit = emitter(that, arguments), + selection0 = state.selection, + selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(this, arguments) : selection$$1, state.extent), + i = interpolateValue(selection0, selection1); - while ((t = token()) !== EOF) { - var a = []; - while (t !== EOL && t !== EOF) { - a.push(t); - t = token(); - } - if (f && (a = f(a, n++)) == null) continue; - rows.push(a); + function tween(t) { + state.selection = t === 1 && empty(selection1) ? null : i(t); + redraw.call(that); + emit.brush(); + } + + return selection0 && selection1 ? tween : tween(1); + }); + } else { + group + .each(function() { + var that = this, + args = arguments, + state = that.__brush, + selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(that, args) : selection$$1, state.extent), + emit = emitter(that, args).beforestart(); + + interrupt(that); + state.selection = selection1 == null || empty(selection1) ? null : selection1; + redraw.call(that); + emit.start().brush().end(); + }); } + }; - return rows; - } + function redraw() { + var group = select(this), + selection$$1 = local$$1(this).selection; - function format(rows, columns) { - if (columns == null) columns = inferColumns(rows); - return [columns.map(formatValue).join(delimiter)].concat(rows.map(function(row) { - return columns.map(function(column) { - return formatValue(row[column]); - }).join(delimiter); - })).join("\n"); - } + if (selection$$1) { + group.selectAll(".selection") + .style("display", null) + .attr("x", selection$$1[0][0]) + .attr("y", selection$$1[0][1]) + .attr("width", selection$$1[1][0] - selection$$1[0][0]) + .attr("height", selection$$1[1][1] - selection$$1[0][1]); - function formatRows(rows) { - return rows.map(formatRow).join("\n"); + group.selectAll(".handle") + .style("display", null) + .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection$$1[1][0] - handleSize / 2 : selection$$1[0][0] - handleSize / 2; }) + .attr("y", function(d) { return d.type[0] === "s" ? selection$$1[1][1] - handleSize / 2 : selection$$1[0][1] - handleSize / 2; }) + .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection$$1[1][0] - selection$$1[0][0] + handleSize : handleSize; }) + .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection$$1[1][1] - selection$$1[0][1] + handleSize : handleSize; }); + } + + else { + group.selectAll(".selection,.handle") + .style("display", "none") + .attr("x", null) + .attr("y", null) + .attr("width", null) + .attr("height", null); + } } - function formatRow(row) { - return row.map(formatValue).join(delimiter); + function emitter(that, args) { + return that.__brush.emitter || new Emitter(that, args); } - function formatValue(text) { - return text == null ? "" - : reFormat.test(text += "") ? "\"" + text.replace(/\"/g, "\"\"") + "\"" - : text; + function Emitter(that, args) { + this.that = that; + this.args = args; + this.state = that.__brush; + this.active = 0; } - return { - parse: parse, - parseRows: parseRows, - format: format, - formatRows: formatRows + Emitter.prototype = { + beforestart: function() { + if (++this.active === 1) this.state.emitter = this, this.starting = true; + return this; + }, + start: function() { + if (this.starting) this.starting = false, this.emit("start"); + return this; + }, + brush: function() { + this.emit("brush"); + return this; + }, + end: function() { + if (--this.active === 0) delete this.state.emitter, this.emit("end"); + return this; + }, + emit: function(type) { + customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]); + } }; -}; -var csv = dsv(","); + function started() { + if (exports.event.touches) { if (exports.event.changedTouches.length < exports.event.touches.length) return noevent$1(); } + else if (touchending) return; + if (!filter.apply(this, arguments)) return; + + var that = this, + type = exports.event.target.__data__.type, + mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE), + signX = dim === Y ? null : signsX[type], + signY = dim === X ? null : signsY[type], + state = local$$1(that), + extent = state.extent, + selection$$1 = state.selection, + W = extent[0][0], w0, w1, + N = extent[0][1], n0, n1, + E = extent[1][0], e0, e1, + S = extent[1][1], s0, s1, + dx, + dy, + moving, + shifting = signX && signY && exports.event.shiftKey, + lockX, + lockY, + point0 = mouse(that), + point = point0, + emit = emitter(that, arguments).beforestart(); + + if (type === "overlay") { + state.selection = selection$$1 = [ + [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], + [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] + ]; + } else { + w0 = selection$$1[0][0]; + n0 = selection$$1[0][1]; + e0 = selection$$1[1][0]; + s0 = selection$$1[1][1]; + } -var csvParse = csv.parse; -var csvParseRows = csv.parseRows; -var csvFormat = csv.format; -var csvFormatRows = csv.formatRows; + w1 = w0; + n1 = n0; + e1 = e0; + s1 = s0; -var tsv = dsv("\t"); + var group = select(that) + .attr("pointer-events", "none"); -var tsvParse = tsv.parse; -var tsvParseRows = tsv.parseRows; -var tsvFormat = tsv.format; -var tsvFormatRows = tsv.formatRows; + var overlay = group.selectAll(".overlay") + .attr("cursor", cursors[type]); -var request = function(url, callback) { - var request, - event = dispatch("beforesend", "progress", "load", "error"), - mimeType, - headers = map$1(), - xhr = new XMLHttpRequest, - user = null, - password = null, - response, - responseType, - timeout = 0; + if (exports.event.touches) { + group + .on("touchmove.brush", moved, true) + .on("touchend.brush touchcancel.brush", ended, true); + } else { + var view = select(exports.event.view) + .on("keydown.brush", keydowned, true) + .on("keyup.brush", keyupped, true) + .on("mousemove.brush", moved, true) + .on("mouseup.brush", ended, true); - // If IE does not support CORS, use XDomainRequest. - if (typeof XDomainRequest !== "undefined" - && !("withCredentials" in xhr) - && /^(http(s)?:)?\/\//.test(url)) xhr = new XDomainRequest; + dragDisable(exports.event.view); + } - "onload" in xhr - ? xhr.onload = xhr.onerror = xhr.ontimeout = respond - : xhr.onreadystatechange = function(o) { xhr.readyState > 3 && respond(o); }; + nopropagation$1(); + interrupt(that); + redraw.call(that); + emit.start(); - function respond(o) { - var status = xhr.status, result; - if (!status && hasResponse(xhr) - || status >= 200 && status < 300 - || status === 304) { - if (response) { - try { - result = response.call(request, xhr); - } catch (e) { - event.call("error", request, e); - return; - } - } else { - result = xhr; + function moved() { + var point1 = mouse(that); + if (shifting && !lockX && !lockY) { + if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true; + else lockX = true; } - event.call("load", request, result); - } else { - event.call("error", request, o); + point = point1; + moving = true; + noevent$1(); + move(); } - } - - xhr.onprogress = function(e) { - event.call("progress", request, e); - }; - - request = { - header: function(name, value) { - name = (name + "").toLowerCase(); - if (arguments.length < 2) return headers.get(name); - if (value == null) headers.remove(name); - else headers.set(name, value + ""); - return request; - }, - - // If mimeType is non-null and no Accept header is set, a default is used. - mimeType: function(value) { - if (!arguments.length) return mimeType; - mimeType = value == null ? null : value + ""; - return request; - }, - - // Specifies what type the response value should take; - // for instance, arraybuffer, blob, document, or text. - responseType: function(value) { - if (!arguments.length) return responseType; - responseType = value; - return request; - }, - timeout: function(value) { - if (!arguments.length) return timeout; - timeout = +value; - return request; - }, + function move() { + var t; - user: function(value) { - return arguments.length < 1 ? user : (user = value == null ? null : value + "", request); - }, + dx = point[0] - point0[0]; + dy = point[1] - point0[1]; - password: function(value) { - return arguments.length < 1 ? password : (password = value == null ? null : value + "", request); - }, + switch (mode) { + case MODE_SPACE: + case MODE_DRAG: { + if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx; + if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy; + break; + } + case MODE_HANDLE: { + if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0; + else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx; + if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0; + else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy; + break; + } + case MODE_CENTER: { + if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX)); + if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY)); + break; + } + } - // Specify how to convert the response content to a specific type; - // changes the callback value on "load" events. - response: function(value) { - response = value; - return request; - }, + if (e1 < w1) { + signX *= -1; + t = w0, w0 = e0, e0 = t; + t = w1, w1 = e1, e1 = t; + if (type in flipX) overlay.attr("cursor", cursors[type = flipX[type]]); + } - // Alias for send("GET", …). - get: function(data, callback) { - return request.send("GET", data, callback); - }, + if (s1 < n1) { + signY *= -1; + t = n0, n0 = s0, s0 = t; + t = n1, n1 = s1, s1 = t; + if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); + } - // Alias for send("POST", …). - post: function(data, callback) { - return request.send("POST", data, callback); - }, + if (state.selection) selection$$1 = state.selection; // May be set by brush.move! + if (lockX) w1 = selection$$1[0][0], e1 = selection$$1[1][0]; + if (lockY) n1 = selection$$1[0][1], s1 = selection$$1[1][1]; - // If callback is non-null, it will be used for error and load events. - send: function(method, data, callback) { - xhr.open(method, url, true, user, password); - if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*"); - if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); }); - if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType); - if (responseType != null) xhr.responseType = responseType; - if (timeout > 0) xhr.timeout = timeout; - if (callback == null && typeof data === "function") callback = data, data = null; - if (callback != null && callback.length === 1) callback = fixCallback(callback); - if (callback != null) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); }); - event.call("beforesend", request, xhr); - xhr.send(data == null ? null : data); - return request; - }, + if (selection$$1[0][0] !== w1 + || selection$$1[0][1] !== n1 + || selection$$1[1][0] !== e1 + || selection$$1[1][1] !== s1) { + state.selection = [[w1, n1], [e1, s1]]; + redraw.call(that); + emit.brush(); + } + } - abort: function() { - xhr.abort(); - return request; - }, + function ended() { + nopropagation$1(); + if (exports.event.touches) { + if (exports.event.touches.length) return; + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! + group.on("touchmove.brush touchend.brush touchcancel.brush", null); + } else { + yesdrag(exports.event.view, moving); + view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); + } + group.attr("pointer-events", "all"); + overlay.attr("cursor", cursors.overlay); + if (state.selection) selection$$1 = state.selection; // May be set by brush.move (on start)! + if (empty(selection$$1)) state.selection = null, redraw.call(that); + emit.end(); + } - on: function() { - var value = event.on.apply(event, arguments); - return value === event ? request : value; + function keydowned() { + switch (exports.event.keyCode) { + case 16: { // SHIFT + shifting = signX && signY; + break; + } + case 18: { // ALT + if (mode === MODE_HANDLE) { + if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; + if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; + mode = MODE_CENTER; + move(); + } + break; + } + case 32: { // SPACE; takes priority over ALT + if (mode === MODE_HANDLE || mode === MODE_CENTER) { + if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx; + if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy; + mode = MODE_SPACE; + overlay.attr("cursor", cursors.selection); + move(); + } + break; + } + default: return; + } + noevent$1(); } - }; - if (callback != null) { - if (typeof callback !== "function") throw new Error("invalid callback: " + callback); - return request.get(callback); + function keyupped() { + switch (exports.event.keyCode) { + case 16: { // SHIFT + if (shifting) { + lockX = lockY = shifting = false; + move(); + } + break; + } + case 18: { // ALT + if (mode === MODE_CENTER) { + if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; + if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; + mode = MODE_HANDLE; + move(); + } + break; + } + case 32: { // SPACE + if (mode === MODE_SPACE) { + if (exports.event.altKey) { + if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; + if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; + mode = MODE_CENTER; + } else { + if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; + if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; + mode = MODE_HANDLE; + } + overlay.attr("cursor", cursors[type]); + move(); + } + break; + } + default: return; + } + noevent$1(); + } } - return request; -}; + function initialize() { + var state = this.__brush || {selection: null}; + state.extent = extent.apply(this, arguments); + state.dim = dim; + return state; + } -function fixCallback(callback) { - return function(error, xhr) { - callback(error == null ? xhr : null); + brush.extent = function(_) { + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$4([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), brush) : extent; }; -} - -function hasResponse(xhr) { - var type = xhr.responseType; - return type && type !== "text" - ? xhr.response // null on error - : xhr.responseText; // "" on error -} -var type = function(defaultMimeType, response) { - return function(url, callback) { - var r = request(url).mimeType(defaultMimeType).response(response); - if (callback != null) { - if (typeof callback !== "function") throw new Error("invalid callback: " + callback); - return r.get(callback); - } - return r; + brush.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$4(!!_), brush) : filter; }; -}; - -var html = type("text/html", function(xhr) { - return document.createRange().createContextualFragment(xhr.responseText); -}); - -var json = type("application/json", function(xhr) { - return JSON.parse(xhr.responseText); -}); - -var text = type("text/plain", function(xhr) { - return xhr.responseText; -}); - -var xml = type("application/xml", function(xhr) { - var xml = xhr.responseXML; - if (!xml) throw new Error("parse error"); - return xml; -}); -var dsv$1 = function(defaultMimeType, parse) { - return function(url, row, callback) { - if (arguments.length < 3) callback = row, row = null; - var r = request(url).mimeType(defaultMimeType); - r.row = function(_) { return arguments.length ? r.response(responseOf(parse, row = _)) : row; }; - r.row(row); - return callback ? r.get(callback) : r; + brush.handleSize = function(_) { + return arguments.length ? (handleSize = +_, brush) : handleSize; }; -}; -function responseOf(parse, row) { - return function(request$$1) { - return parse(request$$1.responseText, row); + brush.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? brush : value; }; -} - -var csv$1 = dsv$1("text/csv", csvParse); - -var tsv$1 = dsv$1("text/tab-separated-values", tsvParse); - -var frame = 0; -var timeout = 0; -var interval = 0; -var pokeDelay = 1000; -var taskHead; -var taskTail; -var clockLast = 0; -var clockNow = 0; -var clockSkew = 0; -var clock = typeof performance === "object" && performance.now ? performance : Date; -var setFrame = typeof requestAnimationFrame === "function" ? requestAnimationFrame : function(f) { setTimeout(f, 17); }; - -function now() { - return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew); -} - -function clearNow() { - clockNow = 0; -} - -function Timer() { - this._call = - this._time = - this._next = null; -} - -Timer.prototype = timer.prototype = { - constructor: Timer, - restart: function(callback, delay, time) { - if (typeof callback !== "function") throw new TypeError("callback is not a function"); - time = (time == null ? now() : +time) + (delay == null ? 0 : +delay); - if (!this._next && taskTail !== this) { - if (taskTail) taskTail._next = this; - else taskHead = this; - taskTail = this; - } - this._call = callback; - this._time = time; - sleep(); - }, - stop: function() { - if (this._call) { - this._call = null; - this._time = Infinity; - sleep(); - } - } -}; -function timer(callback, delay, time) { - var t = new Timer; - t.restart(callback, delay, time); - return t; + return brush; } -function timerFlush() { - now(); // Get the current time, if not already set. - ++frame; // Pretend we’ve set an alarm, if we haven’t already. - var t = taskHead, e; - while (t) { - if ((e = clockNow - t._time) >= 0) t._call.call(null, e); - t = t._next; - } - --frame; -} +var cos = Math.cos; +var sin = Math.sin; +var pi$1 = Math.PI; +var halfPi$1 = pi$1 / 2; +var tau$1 = pi$1 * 2; +var max$1 = Math.max; -function wake() { - clockNow = (clockLast = clock.now()) + clockSkew; - frame = timeout = 0; - try { - timerFlush(); - } finally { - frame = 0; - nap(); - clockNow = 0; - } +function compareValue(compare) { + return function(a, b) { + return compare( + a.source.value + a.target.value, + b.source.value + b.target.value + ); + }; } -function poke$1() { - var now = clock.now(), delay = now - clockLast; - if (delay > pokeDelay) clockSkew -= delay, clockLast = now; -} +var chord = function() { + var padAngle = 0, + sortGroups = null, + sortSubgroups = null, + sortChords = null; -function nap() { - var t0, t1 = taskHead, t2, time = Infinity; - while (t1) { - if (t1._call) { - if (time > t1._time) time = t1._time; - t0 = t1, t1 = t1._next; - } else { - t2 = t1._next, t1._next = null; - t1 = t0 ? t0._next = t2 : taskHead = t2; - } - } - taskTail = t0; - sleep(time); -} + function chord(matrix) { + var n = matrix.length, + groupSums = [], + groupIndex = sequence(n), + subgroupIndex = [], + chords = [], + groups = chords.groups = new Array(n), + subgroups = new Array(n * n), + k, + x, + x0, + dx, + i, + j; -function sleep(time) { - if (frame) return; // Soonest alarm already set, or will be. - if (timeout) timeout = clearTimeout(timeout); - var delay = time - clockNow; - if (delay > 24) { - if (time < Infinity) timeout = setTimeout(wake, delay); - if (interval) interval = clearInterval(interval); - } else { - if (!interval) interval = setInterval(poke$1, pokeDelay); - frame = 1, setFrame(wake); - } -} + // Compute the sum. + k = 0, i = -1; while (++i < n) { + x = 0, j = -1; while (++j < n) { + x += matrix[i][j]; + } + groupSums.push(x); + subgroupIndex.push(sequence(n)); + k += x; + } -var timeout$1 = function(callback, delay, time) { - var t = new Timer; - delay = delay == null ? 0 : +delay; - t.restart(function(elapsed) { - t.stop(); - callback(elapsed + delay); - }, delay, time); - return t; -}; + // Sort groups… + if (sortGroups) groupIndex.sort(function(a, b) { + return sortGroups(groupSums[a], groupSums[b]); + }); -var interval$1 = function(callback, delay, time) { - var t = new Timer, total = delay; - if (delay == null) return t.restart(callback, delay, time), t; - delay = +delay, time = time == null ? now() : +time; - t.restart(function tick(elapsed) { - elapsed += total; - t.restart(tick, total += delay, time); - callback(elapsed); - }, delay, time); - return t; -}; + // Sort subgroups… + if (sortSubgroups) subgroupIndex.forEach(function(d, i) { + d.sort(function(a, b) { + return sortSubgroups(matrix[i][a], matrix[i][b]); + }); + }); -var t0$1 = new Date; -var t1$1 = new Date; + // Convert the sum to scaling factor for [0, 2pi]. + // TODO Allow start and end angle to be specified? + // TODO Allow padding to be specified as percentage? + k = max$1(0, tau$1 - padAngle * n) / k; + dx = k ? padAngle : tau$1 / n; -function newInterval(floori, offseti, count, field) { + // Compute the start and end angle for each group and subgroup. + // Note: Opera has a bug reordering object literal properties! + x = 0, i = -1; while (++i < n) { + x0 = x, j = -1; while (++j < n) { + var di = groupIndex[i], + dj = subgroupIndex[di][j], + v = matrix[di][dj], + a0 = x, + a1 = x += v * k; + subgroups[dj * n + di] = { + index: di, + subindex: dj, + startAngle: a0, + endAngle: a1, + value: v + }; + } + groups[di] = { + index: di, + startAngle: x0, + endAngle: x, + value: groupSums[di] + }; + x += dx; + } - function interval(date) { - return floori(date = new Date(+date)), date; - } + // Generate chords for each (non-empty) subgroup-subgroup link. + i = -1; while (++i < n) { + j = i - 1; while (++j < n) { + var source = subgroups[j * n + i], + target = subgroups[i * n + j]; + if (source.value || target.value) { + chords.push(source.value < target.value + ? {source: target, target: source} + : {source: source, target: target}); + } + } + } - interval.floor = interval; + return sortChords ? chords.sort(sortChords) : chords; + } - interval.ceil = function(date) { - return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; + chord.padAngle = function(_) { + return arguments.length ? (padAngle = max$1(0, _), chord) : padAngle; }; - interval.round = function(date) { - var d0 = interval(date), - d1 = interval.ceil(date); - return date - d0 < d1 - date ? d0 : d1; + chord.sortGroups = function(_) { + return arguments.length ? (sortGroups = _, chord) : sortGroups; }; - interval.offset = function(date, step) { - return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; + chord.sortSubgroups = function(_) { + return arguments.length ? (sortSubgroups = _, chord) : sortSubgroups; }; - interval.range = function(start, stop, step) { - var range = []; - start = interval.ceil(start); - step = step == null ? 1 : Math.floor(step); - if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date - do range.push(new Date(+start)); while (offseti(start, step), floori(start), start < stop) - return range; + chord.sortChords = function(_) { + return arguments.length ? (_ == null ? sortChords = null : (sortChords = compareValue(_))._ = _, chord) : sortChords && sortChords._; }; - interval.filter = function(test) { - return newInterval(function(date) { - if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1); - }, function(date, step) { - if (date >= date) while (--step >= 0) while (offseti(date, 1), !test(date)) {} // eslint-disable-line no-empty - }); + return chord; +}; + +var slice$2 = Array.prototype.slice; + +var constant$5 = function(x) { + return function() { + return x; }; +}; - if (count) { - interval.count = function(start, end) { - t0$1.setTime(+start), t1$1.setTime(+end); - floori(t0$1), floori(t1$1); - return Math.floor(count(t0$1, t1$1)); - }; +var pi$2 = Math.PI; +var tau$2 = 2 * pi$2; +var epsilon$1 = 1e-6; +var tauEpsilon = tau$2 - epsilon$1; - interval.every = function(step) { - step = Math.floor(step); - return !isFinite(step) || !(step > 0) ? null - : !(step > 1) ? interval - : interval.filter(field - ? function(d) { return field(d) % step === 0; } - : function(d) { return interval.count(0, d) % step === 0; }); - }; - } +function Path() { + this._x0 = this._y0 = // start of current subpath + this._x1 = this._y1 = null; // end of current subpath + this._ = ""; +} - return interval; +function path() { + return new Path; } -var millisecond = newInterval(function() { - // noop -}, function(date, step) { - date.setTime(+date + step); -}, function(start, end) { - return end - start; -}); +Path.prototype = path.prototype = { + constructor: Path, + moveTo: function(x, y) { + this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y); + }, + closePath: function() { + if (this._x1 !== null) { + this._x1 = this._x0, this._y1 = this._y0; + this._ += "Z"; + } + }, + lineTo: function(x, y) { + this._ += "L" + (this._x1 = +x) + "," + (this._y1 = +y); + }, + quadraticCurveTo: function(x1, y1, x, y) { + this._ += "Q" + (+x1) + "," + (+y1) + "," + (this._x1 = +x) + "," + (this._y1 = +y); + }, + bezierCurveTo: function(x1, y1, x2, y2, x, y) { + this._ += "C" + (+x1) + "," + (+y1) + "," + (+x2) + "," + (+y2) + "," + (this._x1 = +x) + "," + (this._y1 = +y); + }, + arcTo: function(x1, y1, x2, y2, r) { + x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r; + var x0 = this._x1, + y0 = this._y1, + x21 = x2 - x1, + y21 = y2 - y1, + x01 = x0 - x1, + y01 = y0 - y1, + l01_2 = x01 * x01 + y01 * y01; -// An optimized implementation for this simple case. -millisecond.every = function(k) { - k = Math.floor(k); - if (!isFinite(k) || !(k > 0)) return null; - if (!(k > 1)) return millisecond; - return newInterval(function(date) { - date.setTime(Math.floor(date / k) * k); - }, function(date, step) { - date.setTime(+date + step * k); - }, function(start, end) { - return (end - start) / k; - }); -}; + // Is the radius negative? Error. + if (r < 0) throw new Error("negative radius: " + r); -var milliseconds = millisecond.range; + // Is this path empty? Move to (x1,y1). + if (this._x1 === null) { + this._ += "M" + (this._x1 = x1) + "," + (this._y1 = y1); + } -var durationSecond = 1e3; -var durationMinute = 6e4; -var durationHour = 36e5; -var durationDay = 864e5; -var durationWeek = 6048e5; + // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. + else if (!(l01_2 > epsilon$1)) {} -var second = newInterval(function(date) { - date.setTime(Math.floor(date / durationSecond) * durationSecond); -}, function(date, step) { - date.setTime(+date + step * durationSecond); -}, function(start, end) { - return (end - start) / durationSecond; -}, function(date) { - return date.getUTCSeconds(); -}); + // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? + // Equivalently, is (x1,y1) coincident with (x2,y2)? + // Or, is the radius zero? Line to (x1,y1). + else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon$1) || !r) { + this._ += "L" + (this._x1 = x1) + "," + (this._y1 = y1); + } -var seconds = second.range; + // Otherwise, draw an arc! + else { + var x20 = x2 - x0, + y20 = y2 - y0, + l21_2 = x21 * x21 + y21 * y21, + l20_2 = x20 * x20 + y20 * y20, + l21 = Math.sqrt(l21_2), + l01 = Math.sqrt(l01_2), + l = r * Math.tan((pi$2 - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2), + t01 = l / l01, + t21 = l / l21; -var minute = newInterval(function(date) { - date.setTime(Math.floor(date / durationMinute) * durationMinute); -}, function(date, step) { - date.setTime(+date + step * durationMinute); -}, function(start, end) { - return (end - start) / durationMinute; -}, function(date) { - return date.getMinutes(); -}); + // If the start tangent is not coincident with (x0,y0), line to. + if (Math.abs(t01 - 1) > epsilon$1) { + this._ += "L" + (x1 + t01 * x01) + "," + (y1 + t01 * y01); + } -var minutes = minute.range; + this._ += "A" + r + "," + r + ",0,0," + (+(y01 * x20 > x01 * y20)) + "," + (this._x1 = x1 + t21 * x21) + "," + (this._y1 = y1 + t21 * y21); + } + }, + arc: function(x, y, r, a0, a1, ccw) { + x = +x, y = +y, r = +r; + var dx = r * Math.cos(a0), + dy = r * Math.sin(a0), + x0 = x + dx, + y0 = y + dy, + cw = 1 ^ ccw, + da = ccw ? a0 - a1 : a1 - a0; -var hour = newInterval(function(date) { - var offset = date.getTimezoneOffset() * durationMinute % durationHour; - if (offset < 0) offset += durationHour; - date.setTime(Math.floor((+date - offset) / durationHour) * durationHour + offset); -}, function(date, step) { - date.setTime(+date + step * durationHour); -}, function(start, end) { - return (end - start) / durationHour; -}, function(date) { - return date.getHours(); -}); + // Is the radius negative? Error. + if (r < 0) throw new Error("negative radius: " + r); + + // Is this path empty? Move to (x0,y0). + if (this._x1 === null) { + this._ += "M" + x0 + "," + y0; + } -var hours = hour.range; + // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). + else if (Math.abs(this._x1 - x0) > epsilon$1 || Math.abs(this._y1 - y0) > epsilon$1) { + this._ += "L" + x0 + "," + y0; + } -var day = newInterval(function(date) { - date.setHours(0, 0, 0, 0); -}, function(date, step) { - date.setDate(date.getDate() + step); -}, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay; -}, function(date) { - return date.getDate() - 1; -}); + // Is this arc empty? We’re done. + if (!r) return; -var days = day.range; + // Is this a complete circle? Draw two arcs to complete the circle. + if (da > tauEpsilon) { + this._ += "A" + r + "," + r + ",0,1," + cw + "," + (x - dx) + "," + (y - dy) + "A" + r + "," + r + ",0,1," + cw + "," + (this._x1 = x0) + "," + (this._y1 = y0); + } -function weekday(i) { - return newInterval(function(date) { - date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setDate(date.getDate() + step * 7); - }, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; - }); -} + // Otherwise, draw an arc! + else { + if (da < 0) da = da % tau$2 + tau$2; + this._ += "A" + r + "," + r + ",0," + (+(da >= pi$2)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1)); + } + }, + rect: function(x, y, w, h) { + this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y) + "h" + (+w) + "v" + (+h) + "h" + (-w) + "Z"; + }, + toString: function() { + return this._; + } +}; -var sunday = weekday(0); -var monday = weekday(1); -var tuesday = weekday(2); -var wednesday = weekday(3); -var thursday = weekday(4); -var friday = weekday(5); -var saturday = weekday(6); +function defaultSource(d) { + return d.source; +} -var sundays = sunday.range; -var mondays = monday.range; -var tuesdays = tuesday.range; -var wednesdays = wednesday.range; -var thursdays = thursday.range; -var fridays = friday.range; -var saturdays = saturday.range; +function defaultTarget(d) { + return d.target; +} -var month = newInterval(function(date) { - date.setDate(1); - date.setHours(0, 0, 0, 0); -}, function(date, step) { - date.setMonth(date.getMonth() + step); -}, function(start, end) { - return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; -}, function(date) { - return date.getMonth(); -}); +function defaultRadius(d) { + return d.radius; +} -var months = month.range; +function defaultStartAngle(d) { + return d.startAngle; +} -var year = newInterval(function(date) { - date.setMonth(0, 1); - date.setHours(0, 0, 0, 0); -}, function(date, step) { - date.setFullYear(date.getFullYear() + step); -}, function(start, end) { - return end.getFullYear() - start.getFullYear(); -}, function(date) { - return date.getFullYear(); -}); +function defaultEndAngle(d) { + return d.endAngle; +} -// An optimized implementation for this simple case. -year.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { - date.setFullYear(Math.floor(date.getFullYear() / k) * k); - date.setMonth(0, 1); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setFullYear(date.getFullYear() + step * k); - }); -}; +var ribbon = function() { + var source = defaultSource, + target = defaultTarget, + radius = defaultRadius, + startAngle = defaultStartAngle, + endAngle = defaultEndAngle, + context = null; -var years = year.range; + function ribbon() { + var buffer, + argv = slice$2.call(arguments), + s = source.apply(this, argv), + t = target.apply(this, argv), + sr = +radius.apply(this, (argv[0] = s, argv)), + sa0 = startAngle.apply(this, argv) - halfPi$1, + sa1 = endAngle.apply(this, argv) - halfPi$1, + sx0 = sr * cos(sa0), + sy0 = sr * sin(sa0), + tr = +radius.apply(this, (argv[0] = t, argv)), + ta0 = startAngle.apply(this, argv) - halfPi$1, + ta1 = endAngle.apply(this, argv) - halfPi$1; -var utcMinute = newInterval(function(date) { - date.setUTCSeconds(0, 0); -}, function(date, step) { - date.setTime(+date + step * durationMinute); -}, function(start, end) { - return (end - start) / durationMinute; -}, function(date) { - return date.getUTCMinutes(); -}); + if (!context) context = buffer = path(); -var utcMinutes = utcMinute.range; + context.moveTo(sx0, sy0); + context.arc(0, 0, sr, sa0, sa1); + if (sa0 !== ta0 || sa1 !== ta1) { // TODO sr !== tr? + context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0)); + context.arc(0, 0, tr, ta0, ta1); + } + context.quadraticCurveTo(0, 0, sx0, sy0); + context.closePath(); -var utcHour = newInterval(function(date) { - date.setUTCMinutes(0, 0, 0); -}, function(date, step) { - date.setTime(+date + step * durationHour); -}, function(start, end) { - return (end - start) / durationHour; -}, function(date) { - return date.getUTCHours(); -}); + if (buffer) return context = null, buffer + "" || null; + } -var utcHours = utcHour.range; + ribbon.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$5(+_), ribbon) : radius; + }; -var utcDay = newInterval(function(date) { - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCDate(date.getUTCDate() + step); -}, function(start, end) { - return (end - start) / durationDay; -}, function(date) { - return date.getUTCDate() - 1; -}); + ribbon.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$5(+_), ribbon) : startAngle; + }; -var utcDays = utcDay.range; + ribbon.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$5(+_), ribbon) : endAngle; + }; -function utcWeekday(i) { - return newInterval(function(date) { - date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCDate(date.getUTCDate() + step * 7); - }, function(start, end) { - return (end - start) / durationWeek; - }); -} + ribbon.source = function(_) { + return arguments.length ? (source = _, ribbon) : source; + }; -var utcSunday = utcWeekday(0); -var utcMonday = utcWeekday(1); -var utcTuesday = utcWeekday(2); -var utcWednesday = utcWeekday(3); -var utcThursday = utcWeekday(4); -var utcFriday = utcWeekday(5); -var utcSaturday = utcWeekday(6); + ribbon.target = function(_) { + return arguments.length ? (target = _, ribbon) : target; + }; -var utcSundays = utcSunday.range; -var utcMondays = utcMonday.range; -var utcTuesdays = utcTuesday.range; -var utcWednesdays = utcWednesday.range; -var utcThursdays = utcThursday.range; -var utcFridays = utcFriday.range; -var utcSaturdays = utcSaturday.range; + ribbon.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), ribbon) : context; + }; -var utcMonth = newInterval(function(date) { - date.setUTCDate(1); - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCMonth(date.getUTCMonth() + step); -}, function(start, end) { - return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; -}, function(date) { - return date.getUTCMonth(); -}); + return ribbon; +}; -var utcMonths = utcMonth.range; +var prefix = "$"; -var utcYear = newInterval(function(date) { - date.setUTCMonth(0, 1); - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCFullYear(date.getUTCFullYear() + step); -}, function(start, end) { - return end.getUTCFullYear() - start.getUTCFullYear(); -}, function(date) { - return date.getUTCFullYear(); -}); +function Map() {} -// An optimized implementation for this simple case. -utcYear.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { - date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); - date.setUTCMonth(0, 1); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCFullYear(date.getUTCFullYear() + step * k); - }); +Map.prototype = map$1.prototype = { + constructor: Map, + has: function(key) { + return (prefix + key) in this; + }, + get: function(key) { + return this[prefix + key]; + }, + set: function(key, value) { + this[prefix + key] = value; + return this; + }, + remove: function(key) { + var property = prefix + key; + return property in this && delete this[property]; + }, + clear: function() { + for (var property in this) if (property[0] === prefix) delete this[property]; + }, + keys: function() { + var keys = []; + for (var property in this) if (property[0] === prefix) keys.push(property.slice(1)); + return keys; + }, + values: function() { + var values = []; + for (var property in this) if (property[0] === prefix) values.push(this[property]); + return values; + }, + entries: function() { + var entries = []; + for (var property in this) if (property[0] === prefix) entries.push({key: property.slice(1), value: this[property]}); + return entries; + }, + size: function() { + var size = 0; + for (var property in this) if (property[0] === prefix) ++size; + return size; + }, + empty: function() { + for (var property in this) if (property[0] === prefix) return false; + return true; + }, + each: function(f) { + for (var property in this) if (property[0] === prefix) f(this[property], property.slice(1), this); + } }; -var utcYears = utcYear.range; +function map$1(object, f) { + var map = new Map; -// Computes the decimal coefficient and exponent of the specified number x with -// significant digits p, where x is positive and p is in [1, 21] or undefined. -// For example, formatDecimal(1.23) returns ["123", 0]. -var formatDecimal = function(x, p) { - if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity - var i, coefficient = x.slice(0, i); + // Copy constructor. + if (object instanceof Map) object.each(function(value, key) { map.set(key, value); }); - // The string returned by toExponential either has the form \d\.\d+e[-+]\d+ - // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3). - return [ - coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, - +x.slice(i + 1) - ]; -}; + // Index array by numeric index or specified key function. + else if (Array.isArray(object)) { + var i = -1, + n = object.length, + o; -var exponent$1 = function(x) { - return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; -}; + if (f == null) while (++i < n) map.set(i, object[i]); + else while (++i < n) map.set(f(o = object[i], i, object), o); + } -var formatGroup = function(grouping, thousands) { - return function(value, width) { - var i = value.length, - t = [], - j = 0, - g = grouping[0], - length = 0; + // Convert object to map. + else if (object) for (var key in object) map.set(key, object[key]); - while (i > 0 && g > 0) { - if (length + g + 1 > width) g = Math.max(1, width - length); - t.push(value.substring(i -= g, i + g)); - if ((length += g + 1) > width) break; - g = grouping[j = (j + 1) % grouping.length]; - } + return map; +} - return t.reverse().join(thousands); - }; -}; +var nest = function() { + var keys = [], + sortKeys = [], + sortValues, + rollup, + nest; -var formatDefault = function(x, p) { - x = x.toPrecision(p); + function apply(array, depth, createResult, setResult) { + if (depth >= keys.length) return rollup != null + ? rollup(array) : (sortValues != null + ? array.sort(sortValues) + : array); - out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) { - switch (x[i]) { - case ".": i0 = i1 = i; break; - case "0": if (i0 === 0) i0 = i; i1 = i; break; - case "e": break out; - default: if (i0 > 0) i0 = 0; break; - } - } + var i = -1, + n = array.length, + key = keys[depth++], + keyValue, + value, + valuesByKey = map$1(), + values, + result = createResult(); - return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x; -}; + while (++i < n) { + if (values = valuesByKey.get(keyValue = key(value = array[i]) + "")) { + values.push(value); + } else { + valuesByKey.set(keyValue, [value]); + } + } -var prefixExponent; + valuesByKey.each(function(values, key) { + setResult(result, key, apply(values, depth, createResult, setResult)); + }); -var formatPrefixAuto = function(x, p) { - var d = formatDecimal(x, p); - if (!d) return x + ""; - var coefficient = d[0], - exponent = d[1], - i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, - n = coefficient.length; - return i === n ? coefficient - : i > n ? coefficient + new Array(i - n + 1).join("0") - : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) - : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y! -}; + return result; + } -var formatRounded = function(x, p) { - var d = formatDecimal(x, p); - if (!d) return x + ""; - var coefficient = d[0], - exponent = d[1]; - return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient - : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) - : coefficient + new Array(exponent - coefficient.length + 2).join("0"); -}; + function entries(map, depth) { + if (++depth > keys.length) return map; + var array, sortKey = sortKeys[depth - 1]; + if (rollup != null && depth >= keys.length) array = map.entries(); + else array = [], map.each(function(v, k) { array.push({key: k, values: entries(v, depth)}); }); + return sortKey != null ? array.sort(function(a, b) { return sortKey(a.key, b.key); }) : array; + } -var formatTypes = { - "": formatDefault, - "%": function(x, p) { return (x * 100).toFixed(p); }, - "b": function(x) { return Math.round(x).toString(2); }, - "c": function(x) { return x + ""; }, - "d": function(x) { return Math.round(x).toString(10); }, - "e": function(x, p) { return x.toExponential(p); }, - "f": function(x, p) { return x.toFixed(p); }, - "g": function(x, p) { return x.toPrecision(p); }, - "o": function(x) { return Math.round(x).toString(8); }, - "p": function(x, p) { return formatRounded(x * 100, p); }, - "r": formatRounded, - "s": formatPrefixAuto, - "X": function(x) { return Math.round(x).toString(16).toUpperCase(); }, - "x": function(x) { return Math.round(x).toString(16); } + return nest = { + object: function(array) { return apply(array, 0, createObject, setObject); }, + map: function(array) { return apply(array, 0, createMap, setMap); }, + entries: function(array) { return entries(apply(array, 0, createMap, setMap), 0); }, + key: function(d) { keys.push(d); return nest; }, + sortKeys: function(order) { sortKeys[keys.length - 1] = order; return nest; }, + sortValues: function(order) { sortValues = order; return nest; }, + rollup: function(f) { rollup = f; return nest; } + }; }; -// [[fill]align][sign][symbol][0][width][,][.precision][type] -var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i; +function createObject() { + return {}; +} -var formatSpecifier = function(specifier) { - return new FormatSpecifier(specifier); -}; +function setObject(object, key, value) { + object[key] = value; +} -function FormatSpecifier(specifier) { - if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); +function createMap() { + return map$1(); +} - var match, - fill = match[1] || " ", - align = match[2] || ">", - sign = match[3] || "-", - symbol = match[4] || "", - zero = !!match[5], - width = match[6] && +match[6], - comma = !!match[7], - precision = match[8] && +match[8].slice(1), - type = match[9] || ""; +function setMap(map, key, value) { + map.set(key, value); +} - // The "n" type is an alias for ",g". - if (type === "n") comma = true, type = "g"; +function Set() {} - // Map invalid types to the default format. - else if (!formatTypes[type]) type = ""; +var proto = map$1.prototype; - // If zero fill is specified, padding goes after sign and before digits. - if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; +Set.prototype = set$2.prototype = { + constructor: Set, + has: proto.has, + add: function(value) { + value += ""; + this[prefix + value] = value; + return this; + }, + remove: proto.remove, + clear: proto.clear, + values: proto.keys, + size: proto.size, + empty: proto.empty, + each: proto.each +}; - this.fill = fill; - this.align = align; - this.sign = sign; - this.symbol = symbol; - this.zero = zero; - this.width = width; - this.comma = comma; - this.precision = precision; - this.type = type; -} +function set$2(object, f) { + var set = new Set; -FormatSpecifier.prototype.toString = function() { - return this.fill - + this.align - + this.sign - + this.symbol - + (this.zero ? "0" : "") - + (this.width == null ? "" : Math.max(1, this.width | 0)) - + (this.comma ? "," : "") - + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0)) - + this.type; -}; + // Copy constructor. + if (object instanceof Set) object.each(function(value) { set.add(value); }); -var prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; + // Otherwise, assume it’s an array. + else if (object) { + var i = -1, n = object.length; + if (f == null) while (++i < n) set.add(object[i]); + else while (++i < n) set.add(f(object[i], i, object)); + } -function identity$3(x) { - return x; + return set; } -var formatLocale = function(locale) { - var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, - currency = locale.currency, - decimal = locale.decimal; +var keys = function(map) { + var keys = []; + for (var key in map) keys.push(key); + return keys; +}; - function newFormat(specifier) { - specifier = formatSpecifier(specifier); +var values = function(map) { + var values = []; + for (var key in map) values.push(map[key]); + return values; +}; - var fill = specifier.fill, - align = specifier.align, - sign = specifier.sign, - symbol = specifier.symbol, - zero = specifier.zero, - width = specifier.width, - comma = specifier.comma, - precision = specifier.precision, - type = specifier.type; +var entries = function(map) { + var entries = []; + for (var key in map) entries.push({key: key, value: map[key]}); + return entries; +}; - // Compute the prefix and suffix. - // For SI-prefix, the suffix is lazily computed. - var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", - suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? "%" : ""; +function objectConverter(columns) { + return new Function("d", "return {" + columns.map(function(name, i) { + return JSON.stringify(name) + ": d[" + i + "]"; + }).join(",") + "}"); +} - // What format function should we use? - // Is this an integer type? - // Can this type generate exponential notation? - var formatType = formatTypes[type], - maybeSuffix = !type || /[defgprs%]/.test(type); +function customConverter(columns, f) { + var object = objectConverter(columns); + return function(row, i) { + return f(object(row), i, columns); + }; +} - // Set the default precision if not specified, - // or clamp the specified precision to the supported range. - // For significant precision, it must be in [1, 21]. - // For fixed precision, it must be in [0, 20]. - precision = precision == null ? (type ? 6 : 12) - : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) - : Math.max(0, Math.min(20, precision)); +// Compute unique columns in order of discovery. +function inferColumns(rows) { + var columnSet = Object.create(null), + columns = []; - function format(value) { - var valuePrefix = prefix, - valueSuffix = suffix, - i, n, c; + rows.forEach(function(row) { + for (var column in row) { + if (!(column in columnSet)) { + columns.push(columnSet[column] = column); + } + } + }); - if (type === "c") { - valueSuffix = formatType(value) + valueSuffix; - value = ""; - } else { - value = +value; + return columns; +} - // Convert negative to positive, and compute the prefix. - // Note that -0 is not less than 0, but 1 / -0 is! - var valueNegative = (value < 0 || 1 / value < 0) && (value *= -1, true); +var dsv = function(delimiter) { + var reFormat = new RegExp("[\"" + delimiter + "\n]"), + delimiterCode = delimiter.charCodeAt(0); - // Perform the initial formatting. - value = formatType(value, precision); + function parse(text, f) { + var convert, columns, rows = parseRows(text, function(row, i) { + if (convert) return convert(row, i - 1); + columns = row, convert = f ? customConverter(row, f) : objectConverter(row); + }); + rows.columns = columns; + return rows; + } - // If the original value was negative, it may be rounded to zero during - // formatting; treat this as (positive) zero. - if (valueNegative) { - i = -1, n = value.length; - valueNegative = false; - while (++i < n) { - if (c = value.charCodeAt(i), (48 < c && c < 58) - || (type === "x" && 96 < c && c < 103) - || (type === "X" && 64 < c && c < 71)) { - valueNegative = true; - break; - } - } - } + function parseRows(text, f) { + var EOL = {}, // sentinel value for end-of-line + EOF = {}, // sentinel value for end-of-file + rows = [], // output rows + N = text.length, + I = 0, // current character index + n = 0, // the current line number + t, // the current token + eol; // is the current token followed by EOL? - // Compute the prefix and suffix. - valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; - valueSuffix = valueSuffix + (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + (valueNegative && sign === "(" ? ")" : ""); + function token() { + if (I >= N) return EOF; // special case: end of file + if (eol) return eol = false, EOL; // special case: end of line - // Break the formatted value into the integer “value” part that can be - // grouped, and fractional or exponential “suffix” part that is not. - if (maybeSuffix) { - i = -1, n = value.length; - while (++i < n) { - if (c = value.charCodeAt(i), 48 > c || c > 57) { - valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix; - value = value.slice(0, i); - break; - } + // special case: quotes + var j = I, c; + if (text.charCodeAt(j) === 34) { + var i = j; + while (i++ < N) { + if (text.charCodeAt(i) === 34) { + if (text.charCodeAt(i + 1) !== 34) break; + ++i; } } + I = i + 2; + c = text.charCodeAt(i + 1); + if (c === 13) { + eol = true; + if (text.charCodeAt(i + 2) === 10) ++I; + } else if (c === 10) { + eol = true; + } + return text.slice(j + 1, i).replace(/""/g, "\""); } - // If the fill character is not "0", grouping is applied before padding. - if (comma && !zero) value = group(value, Infinity); - - // Compute the padding. - var length = valuePrefix.length + value.length + valueSuffix.length, - padding = length < width ? new Array(width - length + 1).join(fill) : ""; + // common case: find next delimiter or newline + while (I < N) { + var k = 1; + c = text.charCodeAt(I++); + if (c === 10) eol = true; // \n + else if (c === 13) { eol = true; if (text.charCodeAt(I) === 10) ++I, ++k; } // \r|\r\n + else if (c !== delimiterCode) continue; + return text.slice(j, I - k); + } - // If the fill character is "0", grouping is applied after padding. - if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; + // special case: last token before EOF + return text.slice(j); + } - // Reconstruct the final output based on the desired alignment. - switch (align) { - case "<": return valuePrefix + value + valueSuffix + padding; - case "=": return valuePrefix + padding + value + valueSuffix; - case "^": return padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); + while ((t = token()) !== EOF) { + var a = []; + while (t !== EOL && t !== EOF) { + a.push(t); + t = token(); } - return padding + valuePrefix + value + valueSuffix; + if (f && (a = f(a, n++)) == null) continue; + rows.push(a); } - format.toString = function() { - return specifier + ""; - }; + return rows; + } - return format; + function format(rows, columns) { + if (columns == null) columns = inferColumns(rows); + return [columns.map(formatValue).join(delimiter)].concat(rows.map(function(row) { + return columns.map(function(column) { + return formatValue(row[column]); + }).join(delimiter); + })).join("\n"); } - function formatPrefix(specifier, value) { - var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), - e = Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3, - k = Math.pow(10, -e), - prefix = prefixes[8 + e / 3]; - return function(value) { - return f(k * value) + prefix; - }; + function formatRows(rows) { + return rows.map(formatRow).join("\n"); + } + + function formatRow(row) { + return row.map(formatValue).join(delimiter); + } + + function formatValue(text) { + return text == null ? "" + : reFormat.test(text += "") ? "\"" + text.replace(/\"/g, "\"\"") + "\"" + : text; } return { - format: newFormat, - formatPrefix: formatPrefix + parse: parse, + parseRows: parseRows, + format: format, + formatRows: formatRows }; }; -var locale$1; +var csv = dsv(","); +var csvParse = csv.parse; +var csvParseRows = csv.parseRows; +var csvFormat = csv.format; +var csvFormatRows = csv.formatRows; +var tsv = dsv("\t"); -defaultLocale({ - decimal: ".", - thousands: ",", - grouping: [3], - currency: ["$", ""] -}); +var tsvParse = tsv.parse; +var tsvParseRows = tsv.parseRows; +var tsvFormat = tsv.format; +var tsvFormatRows = tsv.formatRows; -function defaultLocale(definition) { - locale$1 = formatLocale(definition); - exports.format = locale$1.format; - exports.formatPrefix = locale$1.formatPrefix; - return locale$1; -} +var center$1 = function(x, y) { + var nodes; -var precisionFixed = function(step) { - return Math.max(0, -exponent$1(Math.abs(step))); + if (x == null) x = 0; + if (y == null) y = 0; + + function force() { + var i, + n = nodes.length, + node, + sx = 0, + sy = 0; + + for (i = 0; i < n; ++i) { + node = nodes[i], sx += node.x, sy += node.y; + } + + for (sx = sx / n - x, sy = sy / n - y, i = 0; i < n; ++i) { + node = nodes[i], node.x -= sx, node.y -= sy; + } + } + + force.initialize = function(_) { + nodes = _; + }; + + force.x = function(_) { + return arguments.length ? (x = +_, force) : x; + }; + + force.y = function(_) { + return arguments.length ? (y = +_, force) : y; + }; + + return force; +}; + +var constant$6 = function(x) { + return function() { + return x; + }; }; -var precisionPrefix = function(step, value) { - return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step))); +var jiggle = function() { + return (Math.random() - 0.5) * 1e-6; }; -var precisionRound = function(step, max) { - step = Math.abs(step), max = Math.abs(max) - step; - return Math.max(0, exponent$1(max) - exponent$1(step)) + 1; +var tree_add = function(d) { + var x = +this._x.call(null, d), + y = +this._y.call(null, d); + return add(this.cover(x, y), x, y, d); }; -function localDate(d) { - if (0 <= d.y && d.y < 100) { - var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); - date.setFullYear(d.y); - return date; - } - return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L); -} +function add(tree, x, y, d) { + if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points -function utcDate(d) { - if (0 <= d.y && d.y < 100) { - var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L)); - date.setUTCFullYear(d.y); - return date; + var parent, + node = tree._root, + leaf = {data: d}, + x0 = tree._x0, + y0 = tree._y0, + x1 = tree._x1, + y1 = tree._y1, + xm, + ym, + xp, + yp, + right, + bottom, + i, + j; + + // If the tree is empty, initialize the root as a leaf. + if (!node) return tree._root = leaf, tree; + + // Find the existing leaf for the new point, or add it. + while (node.length) { + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree; } - return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); -} -function newYear(y) { - return {y: y, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0}; + // Is the new point is exactly coincident with the existing point? + xp = +tree._x.call(null, node.data); + yp = +tree._y.call(null, node.data); + if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree; + + // Otherwise, split the leaf node until the old and new point are separated. + do { + parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4); + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm))); + return parent[j] = node, parent[i] = leaf, tree; } -function formatLocale$1(locale) { - var locale_dateTime = locale.dateTime, - locale_date = locale.date, - locale_time = locale.time, - locale_periods = locale.periods, - locale_weekdays = locale.days, - locale_shortWeekdays = locale.shortDays, - locale_months = locale.months, - locale_shortMonths = locale.shortMonths; +function addAll(data) { + var d, i, n = data.length, + x, + y, + xz = new Array(n), + yz = new Array(n), + x0 = Infinity, + y0 = Infinity, + x1 = -Infinity, + y1 = -Infinity; - var periodRe = formatRe(locale_periods), - periodLookup = formatLookup(locale_periods), - weekdayRe = formatRe(locale_weekdays), - weekdayLookup = formatLookup(locale_weekdays), - shortWeekdayRe = formatRe(locale_shortWeekdays), - shortWeekdayLookup = formatLookup(locale_shortWeekdays), - monthRe = formatRe(locale_months), - monthLookup = formatLookup(locale_months), - shortMonthRe = formatRe(locale_shortMonths), - shortMonthLookup = formatLookup(locale_shortMonths); + // Compute the points and their extent. + for (i = 0; i < n; ++i) { + if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue; + xz[i] = x; + yz[i] = y; + if (x < x0) x0 = x; + if (x > x1) x1 = x; + if (y < y0) y0 = y; + if (y > y1) y1 = y; + } - var formats = { - "a": formatShortWeekday, - "A": formatWeekday, - "b": formatShortMonth, - "B": formatMonth, - "c": null, - "d": formatDayOfMonth, - "e": formatDayOfMonth, - "H": formatHour24, - "I": formatHour12, - "j": formatDayOfYear, - "L": formatMilliseconds, - "m": formatMonthNumber, - "M": formatMinutes, - "p": formatPeriod, - "S": formatSeconds, - "U": formatWeekNumberSunday, - "w": formatWeekdayNumber, - "W": formatWeekNumberMonday, - "x": null, - "X": null, - "y": formatYear, - "Y": formatFullYear, - "Z": formatZone, - "%": formatLiteralPercent - }; + // If there were no (valid) points, inherit the existing extent. + if (x1 < x0) x0 = this._x0, x1 = this._x1; + if (y1 < y0) y0 = this._y0, y1 = this._y1; - var utcFormats = { - "a": formatUTCShortWeekday, - "A": formatUTCWeekday, - "b": formatUTCShortMonth, - "B": formatUTCMonth, - "c": null, - "d": formatUTCDayOfMonth, - "e": formatUTCDayOfMonth, - "H": formatUTCHour24, - "I": formatUTCHour12, - "j": formatUTCDayOfYear, - "L": formatUTCMilliseconds, - "m": formatUTCMonthNumber, - "M": formatUTCMinutes, - "p": formatUTCPeriod, - "S": formatUTCSeconds, - "U": formatUTCWeekNumberSunday, - "w": formatUTCWeekdayNumber, - "W": formatUTCWeekNumberMonday, - "x": null, - "X": null, - "y": formatUTCYear, - "Y": formatUTCFullYear, - "Z": formatUTCZone, - "%": formatLiteralPercent - }; + // Expand the tree to cover the new points. + this.cover(x0, y0).cover(x1, y1); - var parses = { - "a": parseShortWeekday, - "A": parseWeekday, - "b": parseShortMonth, - "B": parseMonth, - "c": parseLocaleDateTime, - "d": parseDayOfMonth, - "e": parseDayOfMonth, - "H": parseHour24, - "I": parseHour24, - "j": parseDayOfYear, - "L": parseMilliseconds, - "m": parseMonthNumber, - "M": parseMinutes, - "p": parsePeriod, - "S": parseSeconds, - "U": parseWeekNumberSunday, - "w": parseWeekdayNumber, - "W": parseWeekNumberMonday, - "x": parseLocaleDate, - "X": parseLocaleTime, - "y": parseYear, - "Y": parseFullYear, - "Z": parseZone, - "%": parseLiteralPercent - }; + // Add the new points. + for (i = 0; i < n; ++i) { + add(this, xz[i], yz[i], data[i]); + } - // These recursive directive definitions must be deferred. - formats.x = newFormat(locale_date, formats); - formats.X = newFormat(locale_time, formats); - formats.c = newFormat(locale_dateTime, formats); - utcFormats.x = newFormat(locale_date, utcFormats); - utcFormats.X = newFormat(locale_time, utcFormats); - utcFormats.c = newFormat(locale_dateTime, utcFormats); + return this; +} - function newFormat(specifier, formats) { - return function(date) { - var string = [], - i = -1, - j = 0, - n = specifier.length, - c, - pad, - format; +var tree_cover = function(x, y) { + if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points - if (!(date instanceof Date)) date = new Date(+date); + var x0 = this._x0, + y0 = this._y0, + x1 = this._x1, + y1 = this._y1; - while (++i < n) { - if (specifier.charCodeAt(i) === 37) { - string.push(specifier.slice(j, i)); - if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i); - else pad = c === "e" ? " " : "0"; - if (format = formats[c]) c = format(date, pad); - string.push(c); - j = i + 1; - } + // If the quadtree has no extent, initialize them. + // Integer extent are necessary so that if we later double the extent, + // the existing quadrant boundaries don’t change due to floating point error! + if (isNaN(x0)) { + x1 = (x0 = Math.floor(x)) + 1; + y1 = (y0 = Math.floor(y)) + 1; + } + + // Otherwise, double repeatedly to cover. + else if (x0 > x || x > x1 || y0 > y || y > y1) { + var z = x1 - x0, + node = this._root, + parent, + i; + + switch (i = (y < (y0 + y1) / 2) << 1 | (x < (x0 + x1) / 2)) { + case 0: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x1 = x0 + z, y1 = y0 + z, x > x1 || y > y1); + break; + } + case 1: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x0 = x1 - z, y1 = y0 + z, x0 > x || y > y1); + break; + } + case 2: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x1 = x0 + z, y0 = y1 - z, x > x1 || y0 > y); + break; } + case 3: { + do parent = new Array(4), parent[i] = node, node = parent; + while (z *= 2, x0 = x1 - z, y0 = y1 - z, x0 > x || y0 > y); + break; + } + } - string.push(specifier.slice(j, i)); - return string.join(""); - }; + if (this._root && this._root.length) this._root = node; } - function newParse(specifier, newDate) { - return function(string) { - var d = newYear(1900), - i = parseSpecifier(d, specifier, string += "", 0); - if (i != string.length) return null; + // If the quadtree covers the point already, just return. + else return this; - // The am-pm flag is 0 for AM, and 1 for PM. - if ("p" in d) d.H = d.H % 12 + d.p * 12; + this._x0 = x0; + this._y0 = y0; + this._x1 = x1; + this._y1 = y1; + return this; +}; - // Convert day-of-week and week-of-year to day-of-year. - if ("W" in d || "U" in d) { - if (!("w" in d)) d.w = "W" in d ? 1 : 0; - var day$$1 = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay(); - d.m = 0; - d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$$1 + 5) % 7 : d.w + d.U * 7 - (day$$1 + 6) % 7; - } +var tree_data = function() { + var data = []; + this.visit(function(node) { + if (!node.length) do data.push(node.data); while (node = node.next) + }); + return data; +}; - // If a time zone is specified, all fields are interpreted as UTC and then - // offset according to the specified time zone. - if ("Z" in d) { - d.H += d.Z / 100 | 0; - d.M += d.Z % 100; - return utcDate(d); - } +var tree_extent = function(_) { + return arguments.length + ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) + : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; +}; - // Otherwise, all fields are in local time. - return newDate(d); - }; +var Quad = function(node, x0, y0, x1, y1) { + this.node = node; + this.x0 = x0; + this.y0 = y0; + this.x1 = x1; + this.y1 = y1; +}; + +var tree_find = function(x, y, radius) { + var data, + x0 = this._x0, + y0 = this._y0, + x1, + y1, + x2, + y2, + x3 = this._x1, + y3 = this._y1, + quads = [], + node = this._root, + q, + i; + + if (node) quads.push(new Quad(node, x0, y0, x3, y3)); + if (radius == null) radius = Infinity; + else { + x0 = x - radius, y0 = y - radius; + x3 = x + radius, y3 = y + radius; + radius *= radius; } - function parseSpecifier(d, specifier, string, j) { - var i = 0, - n = specifier.length, - m = string.length, - c, - parse; + while (q = quads.pop()) { - while (i < n) { - if (j >= m) return -1; - c = specifier.charCodeAt(i++); - if (c === 37) { - c = specifier.charAt(i++); - parse = parses[c in pads ? specifier.charAt(i++) : c]; - if (!parse || ((j = parse(d, string, j)) < 0)) return -1; - } else if (c != string.charCodeAt(j++)) { - return -1; + // Stop searching if this quadrant can’t contain a closer node. + if (!(node = q.node) + || (x1 = q.x0) > x3 + || (y1 = q.y0) > y3 + || (x2 = q.x1) < x0 + || (y2 = q.y1) < y0) continue; + + // Bisect the current quadrant. + if (node.length) { + var xm = (x1 + x2) / 2, + ym = (y1 + y2) / 2; + + quads.push( + new Quad(node[3], xm, ym, x2, y2), + new Quad(node[2], x1, ym, xm, y2), + new Quad(node[1], xm, y1, x2, ym), + new Quad(node[0], x1, y1, xm, ym) + ); + + // Visit the closest quadrant first. + if (i = (y >= ym) << 1 | (x >= xm)) { + q = quads[quads.length - 1]; + quads[quads.length - 1] = quads[quads.length - 1 - i]; + quads[quads.length - 1 - i] = q; } } - return j; - } - - function parsePeriod(d, string, i) { - var n = periodRe.exec(string.slice(i)); - return n ? (d.p = periodLookup[n[0].toLowerCase()], i + n[0].length) : -1; + // Visit this point. (Visiting coincident points isn’t necessary!) + else { + var dx = x - +this._x.call(null, node.data), + dy = y - +this._y.call(null, node.data), + d2 = dx * dx + dy * dy; + if (d2 < radius) { + var d = Math.sqrt(radius = d2); + x0 = x - d, y0 = y - d; + x3 = x + d, y3 = y + d; + data = node.data; + } + } } - function parseShortWeekday(d, string, i) { - var n = shortWeekdayRe.exec(string.slice(i)); - return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + return data; +}; - function parseWeekday(d, string, i) { - var n = weekdayRe.exec(string.slice(i)); - return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } +var tree_remove = function(d) { + if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points - function parseShortMonth(d, string, i) { - var n = shortMonthRe.exec(string.slice(i)); - return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + var parent, + node = this._root, + retainer, + previous, + next, + x0 = this._x0, + y0 = this._y0, + x1 = this._x1, + y1 = this._y1, + x, + y, + xm, + ym, + right, + bottom, + i, + j; - function parseMonth(d, string, i) { - var n = monthRe.exec(string.slice(i)); - return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + // If the tree is empty, initialize the root as a leaf. + if (!node) return this; - function parseLocaleDateTime(d, string, i) { - return parseSpecifier(d, locale_dateTime, string, i); + // Find the leaf node for the point. + // While descending, also retain the deepest parent with a non-removed sibling. + if (node.length) while (true) { + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + if (!(parent = node, node = node[i = bottom << 1 | right])) return this; + if (!node.length) break; + if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i; } - function parseLocaleDate(d, string, i) { - return parseSpecifier(d, locale_date, string, i); - } + // Find the point to remove. + while (node.data !== d) if (!(previous = node, node = node.next)) return this; + if (next = node.next) delete node.next; - function parseLocaleTime(d, string, i) { - return parseSpecifier(d, locale_time, string, i); - } + // If there are multiple coincident points, remove just the point. + if (previous) return (next ? previous.next = next : delete previous.next), this; - function formatShortWeekday(d) { - return locale_shortWeekdays[d.getDay()]; - } + // If this is the root point, remove it. + if (!parent) return this._root = next, this; - function formatWeekday(d) { - return locale_weekdays[d.getDay()]; - } + // Remove this leaf. + next ? parent[i] = next : delete parent[i]; - function formatShortMonth(d) { - return locale_shortMonths[d.getMonth()]; + // If the parent now contains exactly one leaf, collapse superfluous parents. + if ((node = parent[0] || parent[1] || parent[2] || parent[3]) + && node === (parent[3] || parent[2] || parent[1] || parent[0]) + && !node.length) { + if (retainer) retainer[j] = node; + else this._root = node; } - function formatMonth(d) { - return locale_months[d.getMonth()]; - } + return this; +}; - function formatPeriod(d) { - return locale_periods[+(d.getHours() >= 12)]; - } +function removeAll(data) { + for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); + return this; +} - function formatUTCShortWeekday(d) { - return locale_shortWeekdays[d.getUTCDay()]; - } +var tree_root = function() { + return this._root; +}; - function formatUTCWeekday(d) { - return locale_weekdays[d.getUTCDay()]; - } +var tree_size = function() { + var size = 0; + this.visit(function(node) { + if (!node.length) do ++size; while (node = node.next) + }); + return size; +}; - function formatUTCShortMonth(d) { - return locale_shortMonths[d.getUTCMonth()]; +var tree_visit = function(callback) { + var quads = [], q, node = this._root, child, x0, y0, x1, y1; + if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); + while (q = quads.pop()) { + if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) { + var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; + if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); + if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); + if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); + if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); + } } + return this; +}; - function formatUTCMonth(d) { - return locale_months[d.getUTCMonth()]; +var tree_visitAfter = function(callback) { + var quads = [], next = [], q; + if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); + while (q = quads.pop()) { + var node = q.node; + if (node.length) { + var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; + if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); + if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); + if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); + if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); + } + next.push(q); } - - function formatUTCPeriod(d) { - return locale_periods[+(d.getUTCHours() >= 12)]; + while (q = next.pop()) { + callback(q.node, q.x0, q.y0, q.x1, q.y1); } + return this; +}; - return { - format: function(specifier) { - var f = newFormat(specifier += "", formats); - f.toString = function() { return specifier; }; - return f; - }, - parse: function(specifier) { - var p = newParse(specifier += "", localDate); - p.toString = function() { return specifier; }; - return p; - }, - utcFormat: function(specifier) { - var f = newFormat(specifier += "", utcFormats); - f.toString = function() { return specifier; }; - return f; - }, - utcParse: function(specifier) { - var p = newParse(specifier, utcDate); - p.toString = function() { return specifier; }; - return p; - } - }; -} - -var pads = {"-": "", "_": " ", "0": "0"}; -var numberRe = /^\s*\d+/; -var percentRe = /^%/; -var requoteRe = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; - -function pad(value, fill, width) { - var sign = value < 0 ? "-" : "", - string = (sign ? -value : value) + "", - length = string.length; - return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); +function defaultX(d) { + return d[0]; } -function requote(s) { - return s.replace(requoteRe, "\\$&"); -} +var tree_x = function(_) { + return arguments.length ? (this._x = _, this) : this._x; +}; -function formatRe(names) { - return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i"); +function defaultY(d) { + return d[1]; } -function formatLookup(names) { - var map = {}, i = -1, n = names.length; - while (++i < n) map[names[i].toLowerCase()] = i; - return map; -} +var tree_y = function(_) { + return arguments.length ? (this._y = _, this) : this._y; +}; -function parseWeekdayNumber(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 1)); - return n ? (d.w = +n[0], i + n[0].length) : -1; +function quadtree(nodes, x, y) { + var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); + return nodes == null ? tree : tree.addAll(nodes); } -function parseWeekNumberSunday(d, string, i) { - var n = numberRe.exec(string.slice(i)); - return n ? (d.U = +n[0], i + n[0].length) : -1; +function Quadtree(x, y, x0, y0, x1, y1) { + this._x = x; + this._y = y; + this._x0 = x0; + this._y0 = y0; + this._x1 = x1; + this._y1 = y1; + this._root = undefined; } -function parseWeekNumberMonday(d, string, i) { - var n = numberRe.exec(string.slice(i)); - return n ? (d.W = +n[0], i + n[0].length) : -1; +function leaf_copy(leaf) { + var copy = {data: leaf.data}, next = copy; + while (leaf = leaf.next) next = next.next = {data: leaf.data}; + return copy; } -function parseFullYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 4)); - return n ? (d.y = +n[0], i + n[0].length) : -1; -} +var treeProto = quadtree.prototype = Quadtree.prototype; -function parseYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1; -} +treeProto.copy = function() { + var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), + node = this._root, + nodes, + child; -function parseZone(d, string, i) { - var n = /^(Z)|([+-]\d\d)(?:\:?(\d\d))?/.exec(string.slice(i, i + 6)); - return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; -} + if (!node) return copy; -function parseMonthNumber(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.m = n[0] - 1, i + n[0].length) : -1; -} + if (!node.length) return copy._root = leaf_copy(node), copy; -function parseDayOfMonth(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.d = +n[0], i + n[0].length) : -1; -} + nodes = [{source: node, target: copy._root = new Array(4)}]; + while (node = nodes.pop()) { + for (var i = 0; i < 4; ++i) { + if (child = node.source[i]) { + if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)}); + else node.target[i] = leaf_copy(child); + } + } + } -function parseDayOfYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 3)); - return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1; -} + return copy; +}; -function parseHour24(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.H = +n[0], i + n[0].length) : -1; -} +treeProto.add = tree_add; +treeProto.addAll = addAll; +treeProto.cover = tree_cover; +treeProto.data = tree_data; +treeProto.extent = tree_extent; +treeProto.find = tree_find; +treeProto.remove = tree_remove; +treeProto.removeAll = removeAll; +treeProto.root = tree_root; +treeProto.size = tree_size; +treeProto.visit = tree_visit; +treeProto.visitAfter = tree_visitAfter; +treeProto.x = tree_x; +treeProto.y = tree_y; -function parseMinutes(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.M = +n[0], i + n[0].length) : -1; +function x(d) { + return d.x + d.vx; } -function parseSeconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.S = +n[0], i + n[0].length) : -1; +function y(d) { + return d.y + d.vy; } -function parseMilliseconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 3)); - return n ? (d.L = +n[0], i + n[0].length) : -1; -} +var collide = function(radius) { + var nodes, + radii, + strength = 1, + iterations = 1; -function parseLiteralPercent(d, string, i) { - var n = percentRe.exec(string.slice(i, i + 1)); - return n ? i + n[0].length : -1; -} + if (typeof radius !== "function") radius = constant$6(radius == null ? 1 : +radius); -function formatDayOfMonth(d, p) { - return pad(d.getDate(), p, 2); -} + function force() { + var i, n = nodes.length, + tree, + node, + xi, + yi, + ri, + ri2; -function formatHour24(d, p) { - return pad(d.getHours(), p, 2); -} + for (var k = 0; k < iterations; ++k) { + tree = quadtree(nodes, x, y).visitAfter(prepare); + for (i = 0; i < n; ++i) { + node = nodes[i]; + ri = radii[node.index], ri2 = ri * ri; + xi = node.x + node.vx; + yi = node.y + node.vy; + tree.visit(apply); + } + } -function formatHour12(d, p) { - return pad(d.getHours() % 12 || 12, p, 2); -} + function apply(quad, x0, y0, x1, y1) { + var data = quad.data, rj = quad.r, r = ri + rj; + if (data) { + if (data.index > node.index) { + var x = xi - data.x - data.vx, + y = yi - data.y - data.vy, + l = x * x + y * y; + if (l < r * r) { + if (x === 0) x = jiggle(), l += x * x; + if (y === 0) y = jiggle(), l += y * y; + l = (r - (l = Math.sqrt(l))) / l * strength; + node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj)); + node.vy += (y *= l) * r; + data.vx -= x * (r = 1 - r); + data.vy -= y * r; + } + } + return; + } + return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r; + } + } -function formatDayOfYear(d, p) { - return pad(1 + day.count(year(d), d), p, 3); -} + function prepare(quad) { + if (quad.data) return quad.r = radii[quad.data.index]; + for (var i = quad.r = 0; i < 4; ++i) { + if (quad[i] && quad[i].r > quad.r) { + quad.r = quad[i].r; + } + } + } -function formatMilliseconds(d, p) { - return pad(d.getMilliseconds(), p, 3); -} + function initialize() { + if (!nodes) return; + var i, n = nodes.length, node; + radii = new Array(n); + for (i = 0; i < n; ++i) node = nodes[i], radii[node.index] = +radius(node, i, nodes); + } -function formatMonthNumber(d, p) { - return pad(d.getMonth() + 1, p, 2); -} + force.initialize = function(_) { + nodes = _; + initialize(); + }; -function formatMinutes(d, p) { - return pad(d.getMinutes(), p, 2); -} + force.iterations = function(_) { + return arguments.length ? (iterations = +_, force) : iterations; + }; -function formatSeconds(d, p) { - return pad(d.getSeconds(), p, 2); -} + force.strength = function(_) { + return arguments.length ? (strength = +_, force) : strength; + }; -function formatWeekNumberSunday(d, p) { - return pad(sunday.count(year(d), d), p, 2); -} + force.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : radius; + }; -function formatWeekdayNumber(d) { - return d.getDay(); -} + return force; +}; -function formatWeekNumberMonday(d, p) { - return pad(monday.count(year(d), d), p, 2); +function index(d) { + return d.index; } -function formatYear(d, p) { - return pad(d.getFullYear() % 100, p, 2); +function find(nodeById, nodeId) { + var node = nodeById.get(nodeId); + if (!node) throw new Error("missing: " + nodeId); + return node; } -function formatFullYear(d, p) { - return pad(d.getFullYear() % 10000, p, 4); -} +var link = function(links) { + var id = index, + strength = defaultStrength, + strengths, + distance = constant$6(30), + distances, + nodes, + count, + bias, + iterations = 1; -function formatZone(d) { - var z = d.getTimezoneOffset(); - return (z > 0 ? "-" : (z *= -1, "+")) - + pad(z / 60 | 0, "0", 2) - + pad(z % 60, "0", 2); -} + if (links == null) links = []; -function formatUTCDayOfMonth(d, p) { - return pad(d.getUTCDate(), p, 2); -} + function defaultStrength(link) { + return 1 / Math.min(count[link.source.index], count[link.target.index]); + } -function formatUTCHour24(d, p) { - return pad(d.getUTCHours(), p, 2); -} + function force(alpha) { + for (var k = 0, n = links.length; k < iterations; ++k) { + for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) { + link = links[i], source = link.source, target = link.target; + x = target.x + target.vx - source.x - source.vx || jiggle(); + y = target.y + target.vy - source.y - source.vy || jiggle(); + l = Math.sqrt(x * x + y * y); + l = (l - distances[i]) / l * alpha * strengths[i]; + x *= l, y *= l; + target.vx -= x * (b = bias[i]); + target.vy -= y * b; + source.vx += x * (b = 1 - b); + source.vy += y * b; + } + } + } -function formatUTCHour12(d, p) { - return pad(d.getUTCHours() % 12 || 12, p, 2); -} + function initialize() { + if (!nodes) return; -function formatUTCDayOfYear(d, p) { - return pad(1 + utcDay.count(utcYear(d), d), p, 3); -} + var i, + n = nodes.length, + m = links.length, + nodeById = map$1(nodes, id), + link; -function formatUTCMilliseconds(d, p) { - return pad(d.getUTCMilliseconds(), p, 3); -} + for (i = 0, count = new Array(n); i < m; ++i) { + link = links[i], link.index = i; + if (typeof link.source !== "object") link.source = find(nodeById, link.source); + if (typeof link.target !== "object") link.target = find(nodeById, link.target); + count[link.source.index] = (count[link.source.index] || 0) + 1; + count[link.target.index] = (count[link.target.index] || 0) + 1; + } -function formatUTCMonthNumber(d, p) { - return pad(d.getUTCMonth() + 1, p, 2); -} + for (i = 0, bias = new Array(m); i < m; ++i) { + link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]); + } -function formatUTCMinutes(d, p) { - return pad(d.getUTCMinutes(), p, 2); -} + strengths = new Array(m), initializeStrength(); + distances = new Array(m), initializeDistance(); + } -function formatUTCSeconds(d, p) { - return pad(d.getUTCSeconds(), p, 2); -} + function initializeStrength() { + if (!nodes) return; -function formatUTCWeekNumberSunday(d, p) { - return pad(utcSunday.count(utcYear(d), d), p, 2); -} + for (var i = 0, n = links.length; i < n; ++i) { + strengths[i] = +strength(links[i], i, links); + } + } -function formatUTCWeekdayNumber(d) { - return d.getUTCDay(); -} + function initializeDistance() { + if (!nodes) return; -function formatUTCWeekNumberMonday(d, p) { - return pad(utcMonday.count(utcYear(d), d), p, 2); -} + for (var i = 0, n = links.length; i < n; ++i) { + distances[i] = +distance(links[i], i, links); + } + } -function formatUTCYear(d, p) { - return pad(d.getUTCFullYear() % 100, p, 2); -} + force.initialize = function(_) { + nodes = _; + initialize(); + }; -function formatUTCFullYear(d, p) { - return pad(d.getUTCFullYear() % 10000, p, 4); -} + force.links = function(_) { + return arguments.length ? (links = _, initialize(), force) : links; + }; -function formatUTCZone() { - return "+0000"; -} + force.id = function(_) { + return arguments.length ? (id = _, force) : id; + }; -function formatLiteralPercent() { - return "%"; -} + force.iterations = function(_) { + return arguments.length ? (iterations = +_, force) : iterations; + }; -var locale$2; + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initializeStrength(), force) : strength; + }; + force.distance = function(_) { + return arguments.length ? (distance = typeof _ === "function" ? _ : constant$6(+_), initializeDistance(), force) : distance; + }; + return force; +}; +function x$1(d) { + return d.x; +} +function y$1(d) { + return d.y; +} -defaultLocale$1({ - dateTime: "%x, %X", - date: "%-m/%-d/%Y", - time: "%-I:%M:%S %p", - periods: ["AM", "PM"], - days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], - shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], - months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], - shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"] -}); +var initialRadius = 10; +var initialAngle = Math.PI * (3 - Math.sqrt(5)); -function defaultLocale$1(definition) { - locale$2 = formatLocale$1(definition); - exports.timeFormat = locale$2.format; - exports.timeParse = locale$2.parse; - exports.utcFormat = locale$2.utcFormat; - exports.utcParse = locale$2.utcParse; - return locale$2; -} +var simulation = function(nodes) { + var simulation, + alpha = 1, + alphaMin = 0.001, + alphaDecay = 1 - Math.pow(alphaMin, 1 / 300), + alphaTarget = 0, + velocityDecay = 0.6, + forces = map$1(), + stepper = timer(step), + event = dispatch("tick", "end"); -var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; + if (nodes == null) nodes = []; -function formatIsoNative(date) { - return date.toISOString(); -} + function step() { + tick(); + event.call("tick", simulation); + if (alpha < alphaMin) { + stepper.stop(); + event.call("end", simulation); + } + } -var formatIso = Date.prototype.toISOString - ? formatIsoNative - : exports.utcFormat(isoSpecifier); + function tick() { + var i, n = nodes.length, node; -function parseIsoNative(string) { - var date = new Date(string); - return isNaN(date) ? null : date; -} + alpha += (alphaTarget - alpha) * alphaDecay; -var parseIso = +new Date("2000-01-01T00:00:00.000Z") - ? parseIsoNative - : exports.utcParse(isoSpecifier); + forces.each(function(force) { + force(alpha); + }); -var array$2 = Array.prototype; + for (i = 0; i < n; ++i) { + node = nodes[i]; + if (node.fx == null) node.x += node.vx *= velocityDecay; + else node.x = node.fx, node.vx = 0; + if (node.fy == null) node.y += node.vy *= velocityDecay; + else node.y = node.fy, node.vy = 0; + } + } + + function initializeNodes() { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.index = i; + if (isNaN(node.x) || isNaN(node.y)) { + var radius = initialRadius * Math.sqrt(i), angle = i * initialAngle; + node.x = radius * Math.cos(angle); + node.y = radius * Math.sin(angle); + } + if (isNaN(node.vx) || isNaN(node.vy)) { + node.vx = node.vy = 0; + } + } + } -var map$3 = array$2.map; -var slice$3 = array$2.slice; + function initializeForce(force) { + if (force.initialize) force.initialize(nodes); + return force; + } -var implicit = {name: "implicit"}; + initializeNodes(); -function ordinal(range) { - var index = map$1(), - domain = [], - unknown = implicit; + return simulation = { + tick: tick, - range = range == null ? [] : slice$3.call(range); + restart: function() { + return stepper.restart(step), simulation; + }, - function scale(d) { - var key = d + "", i = index.get(key); - if (!i) { - if (unknown !== implicit) return unknown; - index.set(key, i = domain.push(d)); - } - return range[(i - 1) % range.length]; - } + stop: function() { + return stepper.stop(), simulation; + }, - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = [], index = map$1(); - var i = -1, n = _.length, d, key; - while (++i < n) if (!index.has(key = (d = _[i]) + "")) index.set(key, domain.push(d)); - return scale; - }; + nodes: function(_) { + return arguments.length ? (nodes = _, initializeNodes(), forces.each(initializeForce), simulation) : nodes; + }, - scale.range = function(_) { - return arguments.length ? (range = slice$3.call(_), scale) : range.slice(); - }; + alpha: function(_) { + return arguments.length ? (alpha = +_, simulation) : alpha; + }, - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; + alphaMin: function(_) { + return arguments.length ? (alphaMin = +_, simulation) : alphaMin; + }, - scale.copy = function() { - return ordinal() - .domain(domain) - .range(range) - .unknown(unknown); - }; + alphaDecay: function(_) { + return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay; + }, - return scale; -} + alphaTarget: function(_) { + return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget; + }, -function band() { - var scale = ordinal().unknown(undefined), - domain = scale.domain, - ordinalRange = scale.range, - range$$1 = [0, 1], - step, - bandwidth, - round = false, - paddingInner = 0, - paddingOuter = 0, - align = 0.5; + velocityDecay: function(_) { + return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay; + }, - delete scale.unknown; + force: function(name, _) { + return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); + }, - function rescale() { - var n = domain().length, - reverse = range$$1[1] < range$$1[0], - start = range$$1[reverse - 0], - stop = range$$1[1 - reverse]; - step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); - if (round) step = Math.floor(step); - start += (stop - start - step * (n - paddingInner)) * align; - bandwidth = step * (1 - paddingInner); - if (round) start = Math.round(start), bandwidth = Math.round(bandwidth); - var values = range(n).map(function(i) { return start + step * i; }); - return ordinalRange(reverse ? values.reverse() : values); - } + find: function(x, y, radius) { + var i = 0, + n = nodes.length, + dx, + dy, + d2, + node, + closest; - scale.domain = function(_) { - return arguments.length ? (domain(_), rescale()) : domain(); - }; + if (radius == null) radius = Infinity; + else radius *= radius; - scale.range = function(_) { - return arguments.length ? (range$$1 = [+_[0], +_[1]], rescale()) : range$$1.slice(); - }; + for (i = 0; i < n; ++i) { + node = nodes[i]; + dx = x - node.x; + dy = y - node.y; + d2 = dx * dx + dy * dy; + if (d2 < radius) closest = node, radius = d2; + } - scale.rangeRound = function(_) { - return range$$1 = [+_[0], +_[1]], round = true, rescale(); - }; + return closest; + }, - scale.bandwidth = function() { - return bandwidth; + on: function(name, _) { + return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); + } }; +}; - scale.step = function() { - return step; - }; +var manyBody = function() { + var nodes, + node, + alpha, + strength = constant$6(-30), + strengths, + distanceMin2 = 1, + distanceMax2 = Infinity, + theta2 = 0.81; - scale.round = function(_) { - return arguments.length ? (round = !!_, rescale()) : round; - }; + function force(_) { + var i, n = nodes.length, tree = quadtree(nodes, x$1, y$1).visitAfter(accumulate); + for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); + } - scale.padding = function(_) { - return arguments.length ? (paddingInner = paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; - }; + function initialize() { + if (!nodes) return; + var i, n = nodes.length, node; + strengths = new Array(n); + for (i = 0; i < n; ++i) node = nodes[i], strengths[node.index] = +strength(node, i, nodes); + } - scale.paddingInner = function(_) { - return arguments.length ? (paddingInner = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; - }; + function accumulate(quad) { + var strength = 0, q, c, x$$1, y$$1, i; - scale.paddingOuter = function(_) { - return arguments.length ? (paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingOuter; - }; + // For internal nodes, accumulate forces from child quadrants. + if (quad.length) { + for (x$$1 = y$$1 = i = 0; i < 4; ++i) { + if ((q = quad[i]) && (c = q.value)) { + strength += c, x$$1 += c * q.x, y$$1 += c * q.y; + } + } + quad.x = x$$1 / strength; + quad.y = y$$1 / strength; + } - scale.align = function(_) { - return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align; - }; + // For leaf nodes, accumulate forces from coincident quadrants. + else { + q = quad; + q.x = q.data.x; + q.y = q.data.y; + do strength += strengths[q.data.index]; + while (q = q.next); + } - scale.copy = function() { - return band() - .domain(domain()) - .range(range$$1) - .round(round) - .paddingInner(paddingInner) - .paddingOuter(paddingOuter) - .align(align); - }; + quad.value = strength; + } - return rescale(); -} + function apply(quad, x1, _, x2) { + if (!quad.value) return true; -function pointish(scale) { - var copy = scale.copy; + var x$$1 = quad.x - node.x, + y$$1 = quad.y - node.y, + w = x2 - x1, + l = x$$1 * x$$1 + y$$1 * y$$1; - scale.padding = scale.paddingOuter; - delete scale.paddingInner; - delete scale.paddingOuter; + // Apply the Barnes-Hut approximation if possible. + // Limit forces for very close nodes; randomize direction if coincident. + if (w * w / theta2 < l) { + if (l < distanceMax2) { + if (x$$1 === 0) x$$1 = jiggle(), l += x$$1 * x$$1; + if (y$$1 === 0) y$$1 = jiggle(), l += y$$1 * y$$1; + if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); + node.vx += x$$1 * quad.value * alpha / l; + node.vy += y$$1 * quad.value * alpha / l; + } + return true; + } - scale.copy = function() { - return pointish(copy()); - }; + // Otherwise, process points directly. + else if (quad.length || l >= distanceMax2) return; - return scale; -} + // Limit forces for very close nodes; randomize direction if coincident. + if (quad.data !== node || quad.next) { + if (x$$1 === 0) x$$1 = jiggle(), l += x$$1 * x$$1; + if (y$$1 === 0) y$$1 = jiggle(), l += y$$1 * y$$1; + if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); + } -function point$4() { - return pointish(band().paddingInner(1)); -} + do if (quad.data !== node) { + w = strengths[quad.data.index] * alpha / l; + node.vx += x$$1 * w; + node.vy += y$$1 * w; + } while (quad = quad.next); + } -var constant$4 = function(x) { - return function() { - return x; + force.initialize = function(_) { + nodes = _; + initialize(); }; -}; - -var number$1 = function(x) { - return +x; -}; -var unit = [0, 1]; + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + }; -function deinterpolateLinear(a, b) { - return (b -= (a = +a)) - ? function(x) { return (x - a) / b; } - : constant$4(b); -} + force.distanceMin = function(_) { + return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2); + }; -function deinterpolateClamp(deinterpolate) { - return function(a, b) { - var d = deinterpolate(a = +a, b = +b); - return function(x) { return x <= a ? 0 : x >= b ? 1 : d(x); }; + force.distanceMax = function(_) { + return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2); }; -} -function reinterpolateClamp(reinterpolate) { - return function(a, b) { - var r = reinterpolate(a = +a, b = +b); - return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; + force.theta = function(_) { + return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2); }; -} -function bimap(domain, range$$1, deinterpolate, reinterpolate) { - var d0 = domain[0], d1 = domain[1], r0 = range$$1[0], r1 = range$$1[1]; - if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); - else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); - return function(x) { return r0(d0(x)); }; -} + return force; +}; -function polymap(domain, range$$1, deinterpolate, reinterpolate) { - var j = Math.min(domain.length, range$$1.length) - 1, - d = new Array(j), - r = new Array(j), - i = -1; +var x$2 = function(x) { + var strength = constant$6(0.1), + nodes, + strengths, + xz; - // Reverse descending domains. - if (domain[j] < domain[0]) { - domain = domain.slice().reverse(); - range$$1 = range$$1.slice().reverse(); + if (typeof x !== "function") x = constant$6(x == null ? 0 : +x); + + function force(alpha) { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha; + } } - while (++i < j) { - d[i] = deinterpolate(domain[i], domain[i + 1]); - r[i] = reinterpolate(range$$1[i], range$$1[i + 1]); + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + xz = new Array(n); + for (i = 0; i < n; ++i) { + strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + } } - return function(x) { - var i = bisectRight(domain, x, 1, j) - 1; - return r[i](d[i](x)); + force.initialize = function(_) { + nodes = _; + initialize(); }; -} -function copy(source, target) { - return target - .domain(source.domain()) - .range(source.range()) - .interpolate(source.interpolate()) - .clamp(source.clamp()); -} + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + }; -// deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. -// reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. -function continuous(deinterpolate, reinterpolate) { - var domain = unit, - range$$1 = unit, - interpolate$$1 = interpolate, - clamp = false, - piecewise, - output, - input; + force.x = function(_) { + return arguments.length ? (x = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : x; + }; - function rescale() { - piecewise = Math.min(domain.length, range$$1.length) > 2 ? polymap : bimap; - output = input = null; - return scale; + return force; +}; + +var y$2 = function(y) { + var strength = constant$6(0.1), + nodes, + strengths, + yz; + + if (typeof y !== "function") y = constant$6(y == null ? 0 : +y); + + function force(alpha) { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha; + } } - function scale(x) { - return (output || (output = piecewise(domain, range$$1, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x); + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + yz = new Array(n); + for (i = 0; i < n; ++i) { + strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + } } - scale.invert = function(y) { - return (input || (input = piecewise(range$$1, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); + force.initialize = function(_) { + nodes = _; + initialize(); }; - scale.domain = function(_) { - return arguments.length ? (domain = map$3.call(_, number$1), rescale()) : domain.slice(); + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; }; - scale.range = function(_) { - return arguments.length ? (range$$1 = slice$3.call(_), rescale()) : range$$1.slice(); + force.y = function(_) { + return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : y; }; - scale.rangeRound = function(_) { - return range$$1 = slice$3.call(_), interpolate$$1 = interpolateRound, rescale(); - }; + return force; +}; - scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, rescale()) : clamp; +// Computes the decimal coefficient and exponent of the specified number x with +// significant digits p, where x is positive and p is in [1, 21] or undefined. +// For example, formatDecimal(1.23) returns ["123", 0]. +var formatDecimal = function(x, p) { + if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity + var i, coefficient = x.slice(0, i); + + // The string returned by toExponential either has the form \d\.\d+e[-+]\d+ + // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3). + return [ + coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, + +x.slice(i + 1) + ]; +}; + +var exponent$1 = function(x) { + return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; +}; + +var formatGroup = function(grouping, thousands) { + return function(value, width) { + var i = value.length, + t = [], + j = 0, + g = grouping[0], + length = 0; + + while (i > 0 && g > 0) { + if (length + g + 1 > width) g = Math.max(1, width - length); + t.push(value.substring(i -= g, i + g)); + if ((length += g + 1) > width) break; + g = grouping[j = (j + 1) % grouping.length]; + } + + return t.reverse().join(thousands); }; +}; - scale.interpolate = function(_) { - return arguments.length ? (interpolate$$1 = _, rescale()) : interpolate$$1; +var formatNumerals = function(numerals) { + return function(value) { + return value.replace(/[0-9]/g, function(i) { + return numerals[+i]; + }); }; +}; - return rescale(); -} +var formatDefault = function(x, p) { + x = x.toPrecision(p); -var tickFormat = function(domain, count, specifier) { - var start = domain[0], - stop = domain[domain.length - 1], - step = tickStep(start, stop, count == null ? 10 : count), - precision; - specifier = formatSpecifier(specifier == null ? ",f" : specifier); - switch (specifier.type) { - case "s": { - var value = Math.max(Math.abs(start), Math.abs(stop)); - if (specifier.precision == null && !isNaN(precision = precisionPrefix(step, value))) specifier.precision = precision; - return exports.formatPrefix(specifier, value); - } - case "": - case "e": - case "g": - case "p": - case "r": { - if (specifier.precision == null && !isNaN(precision = precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === "e"); - break; - } - case "f": - case "%": { - if (specifier.precision == null && !isNaN(precision = precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2; - break; + out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) { + switch (x[i]) { + case ".": i0 = i1 = i; break; + case "0": if (i0 === 0) i0 = i; i1 = i; break; + case "e": break out; + default: if (i0 > 0) i0 = 0; break; } } - return exports.format(specifier); -}; -function linearish(scale) { - var domain = scale.domain; + return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x; +}; - scale.ticks = function(count) { - var d = domain(); - return ticks(d[0], d[d.length - 1], count == null ? 10 : count); - }; +var prefixExponent; - scale.tickFormat = function(count, specifier) { - return tickFormat(domain(), count, specifier); - }; +var formatPrefixAuto = function(x, p) { + var d = formatDecimal(x, p); + if (!d) return x + ""; + var coefficient = d[0], + exponent = d[1], + i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, + n = coefficient.length; + return i === n ? coefficient + : i > n ? coefficient + new Array(i - n + 1).join("0") + : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) + : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y! +}; - scale.nice = function(count) { - var d = domain(), - i = d.length - 1, - n = count == null ? 10 : count, - start = d[0], - stop = d[i], - step = tickStep(start, stop, n); +var formatRounded = function(x, p) { + var d = formatDecimal(x, p); + if (!d) return x + ""; + var coefficient = d[0], + exponent = d[1]; + return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient + : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) + : coefficient + new Array(exponent - coefficient.length + 2).join("0"); +}; - if (step) { - step = tickStep(Math.floor(start / step) * step, Math.ceil(stop / step) * step, n); - d[0] = Math.floor(start / step) * step; - d[i] = Math.ceil(stop / step) * step; - domain(d); - } +var formatTypes = { + "": formatDefault, + "%": function(x, p) { return (x * 100).toFixed(p); }, + "b": function(x) { return Math.round(x).toString(2); }, + "c": function(x) { return x + ""; }, + "d": function(x) { return Math.round(x).toString(10); }, + "e": function(x, p) { return x.toExponential(p); }, + "f": function(x, p) { return x.toFixed(p); }, + "g": function(x, p) { return x.toPrecision(p); }, + "o": function(x) { return Math.round(x).toString(8); }, + "p": function(x, p) { return formatRounded(x * 100, p); }, + "r": formatRounded, + "s": formatPrefixAuto, + "X": function(x) { return Math.round(x).toString(16).toUpperCase(); }, + "x": function(x) { return Math.round(x).toString(16); } +}; - return scale; - }; +// [[fill]align][sign][symbol][0][width][,][.precision][type] +var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i; - return scale; +function formatSpecifier(specifier) { + return new FormatSpecifier(specifier); } -function linear$2() { - var scale = continuous(deinterpolateLinear, interpolateNumber); - - scale.copy = function() { - return copy(scale, linear$2()); - }; - - return linearish(scale); -} +formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof -function identity$4() { - var domain = [0, 1]; +function FormatSpecifier(specifier) { + if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); - function scale(x) { - return +x; - } + var match, + fill = match[1] || " ", + align = match[2] || ">", + sign = match[3] || "-", + symbol = match[4] || "", + zero = !!match[5], + width = match[6] && +match[6], + comma = !!match[7], + precision = match[8] && +match[8].slice(1), + type = match[9] || ""; - scale.invert = scale; + // The "n" type is an alias for ",g". + if (type === "n") comma = true, type = "g"; - scale.domain = scale.range = function(_) { - return arguments.length ? (domain = map$3.call(_, number$1), scale) : domain.slice(); - }; + // Map invalid types to the default format. + else if (!formatTypes[type]) type = ""; - scale.copy = function() { - return identity$4().domain(domain); - }; + // If zero fill is specified, padding goes after sign and before digits. + if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; - return linearish(scale); + this.fill = fill; + this.align = align; + this.sign = sign; + this.symbol = symbol; + this.zero = zero; + this.width = width; + this.comma = comma; + this.precision = precision; + this.type = type; } -var nice = function(domain, interval) { - domain = domain.slice(); - - var i0 = 0, - i1 = domain.length - 1, - x0 = domain[i0], - x1 = domain[i1], - t; - - if (x1 < x0) { - t = i0, i0 = i1, i1 = t; - t = x0, x0 = x1, x1 = t; - } - - domain[i0] = interval.floor(x0); - domain[i1] = interval.ceil(x1); - return domain; +FormatSpecifier.prototype.toString = function() { + return this.fill + + this.align + + this.sign + + this.symbol + + (this.zero ? "0" : "") + + (this.width == null ? "" : Math.max(1, this.width | 0)) + + (this.comma ? "," : "") + + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0)) + + this.type; }; -function deinterpolate(a, b) { - return (b = Math.log(b / a)) - ? function(x) { return Math.log(x / a) / b; } - : constant$4(b); -} +var identity$3 = function(x) { + return x; +}; -function reinterpolate(a, b) { - return a < 0 - ? function(t) { return -Math.pow(-b, t) * Math.pow(-a, 1 - t); } - : function(t) { return Math.pow(b, t) * Math.pow(a, 1 - t); }; -} +var prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; -function pow10(x) { - return isFinite(x) ? +("1e" + x) : x < 0 ? 0 : x; -} +var formatLocale = function(locale) { + var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, + currency = locale.currency, + decimal = locale.decimal, + numerals = locale.numerals ? formatNumerals(locale.numerals) : identity$3; -function powp(base) { - return base === 10 ? pow10 - : base === Math.E ? Math.exp - : function(x) { return Math.pow(base, x); }; -} + function newFormat(specifier) { + specifier = formatSpecifier(specifier); -function logp(base) { - return base === Math.E ? Math.log - : base === 10 && Math.log10 - || base === 2 && Math.log2 - || (base = Math.log(base), function(x) { return Math.log(x) / base; }); -} + var fill = specifier.fill, + align = specifier.align, + sign = specifier.sign, + symbol = specifier.symbol, + zero = specifier.zero, + width = specifier.width, + comma = specifier.comma, + precision = specifier.precision, + type = specifier.type; -function reflect(f) { - return function(x) { - return -f(-x); - }; -} + // Compute the prefix and suffix. + // For SI-prefix, the suffix is lazily computed. + var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", + suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? "%" : ""; -function log() { - var scale = continuous(deinterpolate, reinterpolate).domain([1, 10]), - domain = scale.domain, - base = 10, - logs = logp(10), - pows = powp(10); + // What format function should we use? + // Is this an integer type? + // Can this type generate exponential notation? + var formatType = formatTypes[type], + maybeSuffix = !type || /[defgprs%]/.test(type); - function rescale() { - logs = logp(base), pows = powp(base); - if (domain()[0] < 0) logs = reflect(logs), pows = reflect(pows); - return scale; - } + // Set the default precision if not specified, + // or clamp the specified precision to the supported range. + // For significant precision, it must be in [1, 21]. + // For fixed precision, it must be in [0, 20]. + precision = precision == null ? (type ? 6 : 12) + : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) + : Math.max(0, Math.min(20, precision)); - scale.base = function(_) { - return arguments.length ? (base = +_, rescale()) : base; - }; + function format(value) { + var valuePrefix = prefix, + valueSuffix = suffix, + i, n, c; - scale.domain = function(_) { - return arguments.length ? (domain(_), rescale()) : domain(); - }; + if (type === "c") { + valueSuffix = formatType(value) + valueSuffix; + value = ""; + } else { + value = +value; - scale.ticks = function(count) { - var d = domain(), - u = d[0], - v = d[d.length - 1], - r; + // Perform the initial formatting. + var valueNegative = value < 0; + value = formatType(Math.abs(value), precision); - if (r = v < u) i = u, u = v, v = i; + // If a negative value rounds to zero during formatting, treat as positive. + if (valueNegative && +value === 0) valueNegative = false; - var i = logs(u), - j = logs(v), - p, - k, - t, - n = count == null ? 10 : +count, - z = []; + // Compute the prefix and suffix. + valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; + valueSuffix = valueSuffix + (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + (valueNegative && sign === "(" ? ")" : ""); - if (!(base % 1) && j - i < n) { - i = Math.round(i) - 1, j = Math.round(j) + 1; - if (u > 0) for (; i < j; ++i) { - for (k = 1, p = pows(i); k < base; ++k) { - t = p * k; - if (t < u) continue; - if (t > v) break; - z.push(t); - } - } else for (; i < j; ++i) { - for (k = base - 1, p = pows(i); k >= 1; --k) { - t = p * k; - if (t < u) continue; - if (t > v) break; - z.push(t); + // Break the formatted value into the integer “value” part that can be + // grouped, and fractional or exponential “suffix” part that is not. + if (maybeSuffix) { + i = -1, n = value.length; + while (++i < n) { + if (c = value.charCodeAt(i), 48 > c || c > 57) { + valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix; + value = value.slice(0, i); + break; + } + } } } - } else { - z = ticks(i, j, Math.min(j - i, n)).map(pows); - } - - return r ? z.reverse() : z; - }; - - scale.tickFormat = function(count, specifier) { - if (specifier == null) specifier = base === 10 ? ".0e" : ","; - if (typeof specifier !== "function") specifier = exports.format(specifier); - if (count === Infinity) return specifier; - if (count == null) count = 10; - var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate? - return function(d) { - var i = d / pows(Math.round(logs(d))); - if (i * base < base - 0.5) i *= base; - return i <= k ? specifier(d) : ""; - }; - }; - - scale.nice = function() { - return domain(nice(domain(), { - floor: function(x) { return pows(Math.floor(logs(x))); }, - ceil: function(x) { return pows(Math.ceil(logs(x))); } - })); - }; - - scale.copy = function() { - return copy(scale, log().base(base)); - }; - - return scale; -} - -function raise(x, exponent) { - return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); -} - -function pow() { - var exponent = 1, - scale = continuous(deinterpolate, reinterpolate), - domain = scale.domain; - - function deinterpolate(a, b) { - return (b = raise(b, exponent) - (a = raise(a, exponent))) - ? function(x) { return (raise(x, exponent) - a) / b; } - : constant$4(b); - } - function reinterpolate(a, b) { - b = raise(b, exponent) - (a = raise(a, exponent)); - return function(t) { return raise(a + b * t, 1 / exponent); }; - } + // If the fill character is not "0", grouping is applied before padding. + if (comma && !zero) value = group(value, Infinity); - scale.exponent = function(_) { - return arguments.length ? (exponent = +_, domain(domain())) : exponent; - }; + // Compute the padding. + var length = valuePrefix.length + value.length + valueSuffix.length, + padding = length < width ? new Array(width - length + 1).join(fill) : ""; - scale.copy = function() { - return copy(scale, pow().exponent(exponent)); - }; + // If the fill character is "0", grouping is applied after padding. + if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; - return linearish(scale); -} + // Reconstruct the final output based on the desired alignment. + switch (align) { + case "<": value = valuePrefix + value + valueSuffix + padding; break; + case "=": value = valuePrefix + padding + value + valueSuffix; break; + case "^": value = padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); break; + default: value = padding + valuePrefix + value + valueSuffix; break; + } -function sqrt() { - return pow().exponent(0.5); -} + return numerals(value); + } -function quantile$$1() { - var domain = [], - range$$1 = [], - thresholds = []; + format.toString = function() { + return specifier + ""; + }; - function rescale() { - var i = 0, n = Math.max(1, range$$1.length); - thresholds = new Array(n - 1); - while (++i < n) thresholds[i - 1] = threshold(domain, i / n); - return scale; + return format; } - function scale(x) { - if (!isNaN(x = +x)) return range$$1[bisectRight(thresholds, x)]; + function formatPrefix(specifier, value) { + var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), + e = Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3, + k = Math.pow(10, -e), + prefix = prefixes[8 + e / 3]; + return function(value) { + return f(k * value) + prefix; + }; } - scale.invertExtent = function(y) { - var i = range$$1.indexOf(y); - return i < 0 ? [NaN, NaN] : [ - i > 0 ? thresholds[i - 1] : domain[0], - i < thresholds.length ? thresholds[i] : domain[domain.length - 1] - ]; + return { + format: newFormat, + formatPrefix: formatPrefix }; +}; - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = []; - for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); - domain.sort(ascending); - return rescale(); - }; +var locale$1; - scale.range = function(_) { - return arguments.length ? (range$$1 = slice$3.call(_), rescale()) : range$$1.slice(); - }; - scale.quantiles = function() { - return thresholds.slice(); - }; - scale.copy = function() { - return quantile$$1() - .domain(domain) - .range(range$$1); - }; +defaultLocale({ + decimal: ".", + thousands: ",", + grouping: [3], + currency: ["$", ""] +}); - return scale; +function defaultLocale(definition) { + locale$1 = formatLocale(definition); + exports.format = locale$1.format; + exports.formatPrefix = locale$1.formatPrefix; + return locale$1; } -function quantize$1() { - var x0 = 0, - x1 = 1, - n = 1, - domain = [0.5], - range$$1 = [0, 1]; - - function scale(x) { - if (x <= x) return range$$1[bisectRight(domain, x, 0, n)]; - } - - function rescale() { - var i = -1; - domain = new Array(n); - while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1); - return scale; - } +var precisionFixed = function(step) { + return Math.max(0, -exponent$1(Math.abs(step))); +}; - scale.domain = function(_) { - return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1]; - }; +var precisionPrefix = function(step, value) { + return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step))); +}; - scale.range = function(_) { - return arguments.length ? (n = (range$$1 = slice$3.call(_)).length - 1, rescale()) : range$$1.slice(); - }; +var precisionRound = function(step, max) { + step = Math.abs(step), max = Math.abs(max) - step; + return Math.max(0, exponent$1(max) - exponent$1(step)) + 1; +}; - scale.invertExtent = function(y) { - var i = range$$1.indexOf(y); - return i < 0 ? [NaN, NaN] - : i < 1 ? [x0, domain[0]] - : i >= n ? [domain[n - 1], x1] - : [domain[i - 1], domain[i]]; - }; +// Adds floating point numbers with twice the normal precision. +// Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and +// Fast Robust Geometric Predicates, Discrete & Computational Geometry 18(3) +// 305–363 (1997). +// Code adapted from GeographicLib by Charles F. F. Karney, +// http://geographiclib.sourceforge.net/ - scale.copy = function() { - return quantize$1() - .domain([x0, x1]) - .range(range$$1); - }; +var adder = function() { + return new Adder; +}; - return linearish(scale); +function Adder() { + this.reset(); } -function threshold$1() { - var domain = [0.5], - range$$1 = [0, 1], - n = 1; - - function scale(x) { - if (x <= x) return range$$1[bisectRight(domain, x, 0, n)]; +Adder.prototype = { + constructor: Adder, + reset: function() { + this.s = // rounded value + this.t = 0; // exact error + }, + add: function(y) { + add$1(temp, y, this.t); + add$1(this, temp.s, this.s); + if (this.s) this.t += temp.t; + else this.s = temp.t; + }, + valueOf: function() { + return this.s; } +}; - scale.domain = function(_) { - return arguments.length ? (domain = slice$3.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : domain.slice(); - }; +var temp = new Adder; - scale.range = function(_) { - return arguments.length ? (range$$1 = slice$3.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : range$$1.slice(); - }; +function add$1(adder, a, b) { + var x = adder.s = a + b, + bv = x - a, + av = x - bv; + adder.t = (a - av) + (b - bv); +} - scale.invertExtent = function(y) { - var i = range$$1.indexOf(y); - return [domain[i - 1], domain[i]]; - }; +var epsilon$2 = 1e-6; +var epsilon2$1 = 1e-12; +var pi$3 = Math.PI; +var halfPi$2 = pi$3 / 2; +var quarterPi = pi$3 / 4; +var tau$3 = pi$3 * 2; - scale.copy = function() { - return threshold$1() - .domain(domain) - .range(range$$1); - }; +var degrees$1 = 180 / pi$3; +var radians = pi$3 / 180; - return scale; -} +var abs = Math.abs; +var atan = Math.atan; +var atan2 = Math.atan2; +var cos$1 = Math.cos; +var ceil = Math.ceil; +var exp = Math.exp; -var durationSecond$1 = 1000; -var durationMinute$1 = durationSecond$1 * 60; -var durationHour$1 = durationMinute$1 * 60; -var durationDay$1 = durationHour$1 * 24; -var durationWeek$1 = durationDay$1 * 7; -var durationMonth = durationDay$1 * 30; -var durationYear = durationDay$1 * 365; +var log = Math.log; +var pow = Math.pow; +var sin$1 = Math.sin; +var sign = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; }; +var sqrt = Math.sqrt; +var tan = Math.tan; -function date$1(t) { - return new Date(t); +function acos(x) { + return x > 1 ? 0 : x < -1 ? pi$3 : Math.acos(x); } -function number$2(t) { - return t instanceof Date ? +t : +new Date(+t); +function asin(x) { + return x > 1 ? halfPi$2 : x < -1 ? -halfPi$2 : Math.asin(x); } -function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format) { - var scale = continuous(deinterpolateLinear, interpolateNumber), - invert = scale.invert, - domain = scale.domain; +function haversin(x) { + return (x = sin$1(x / 2)) * x; +} - var formatMillisecond = format(".%L"), - formatSecond = format(":%S"), - formatMinute = format("%I:%M"), - formatHour = format("%I %p"), - formatDay = format("%a %d"), - formatWeek = format("%b %d"), - formatMonth = format("%B"), - formatYear = format("%Y"); +function noop$1() {} - var tickIntervals = [ - [second$$1, 1, durationSecond$1], - [second$$1, 5, 5 * durationSecond$1], - [second$$1, 15, 15 * durationSecond$1], - [second$$1, 30, 30 * durationSecond$1], - [minute$$1, 1, durationMinute$1], - [minute$$1, 5, 5 * durationMinute$1], - [minute$$1, 15, 15 * durationMinute$1], - [minute$$1, 30, 30 * durationMinute$1], - [ hour$$1, 1, durationHour$1 ], - [ hour$$1, 3, 3 * durationHour$1 ], - [ hour$$1, 6, 6 * durationHour$1 ], - [ hour$$1, 12, 12 * durationHour$1 ], - [ day$$1, 1, durationDay$1 ], - [ day$$1, 2, 2 * durationDay$1 ], - [ week, 1, durationWeek$1 ], - [ month$$1, 1, durationMonth ], - [ month$$1, 3, 3 * durationMonth ], - [ year$$1, 1, durationYear ] - ]; +function streamGeometry(geometry, stream) { + if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { + streamGeometryType[geometry.type](geometry, stream); + } +} - function tickFormat(date) { - return (second$$1(date) < date ? formatMillisecond - : minute$$1(date) < date ? formatSecond - : hour$$1(date) < date ? formatMinute - : day$$1(date) < date ? formatHour - : month$$1(date) < date ? (week(date) < date ? formatDay : formatWeek) - : year$$1(date) < date ? formatMonth - : formatYear)(date); +var streamObjectType = { + Feature: function(object, stream) { + streamGeometry(object.geometry, stream); + }, + FeatureCollection: function(object, stream) { + var features = object.features, i = -1, n = features.length; + while (++i < n) streamGeometry(features[i].geometry, stream); + } +}; + +var streamGeometryType = { + Sphere: function(object, stream) { + stream.sphere(); + }, + Point: function(object, stream) { + object = object.coordinates; + stream.point(object[0], object[1], object[2]); + }, + MultiPoint: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]); + }, + LineString: function(object, stream) { + streamLine(object.coordinates, stream, 0); + }, + MultiLineString: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) streamLine(coordinates[i], stream, 0); + }, + Polygon: function(object, stream) { + streamPolygon(object.coordinates, stream); + }, + MultiPolygon: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) streamPolygon(coordinates[i], stream); + }, + GeometryCollection: function(object, stream) { + var geometries = object.geometries, i = -1, n = geometries.length; + while (++i < n) streamGeometry(geometries[i], stream); } +}; - function tickInterval(interval, start, stop, step) { - if (interval == null) interval = 10; +function streamLine(coordinates, stream, closed) { + var i = -1, n = coordinates.length - closed, coordinate; + stream.lineStart(); + while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]); + stream.lineEnd(); +} - // If a desired tick count is specified, pick a reasonable tick interval - // based on the extent of the domain and a rough estimate of tick size. - // Otherwise, assume interval is already a time interval and use it. - if (typeof interval === "number") { - var target = Math.abs(stop - start) / interval, - i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); - if (i === tickIntervals.length) { - step = tickStep(start / durationYear, stop / durationYear, interval); - interval = year$$1; - } else if (i) { - i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; - step = i[1]; - interval = i[0]; - } else { - step = tickStep(start, stop, interval); - interval = millisecond$$1; - } - } +function streamPolygon(coordinates, stream) { + var i = -1, n = coordinates.length; + stream.polygonStart(); + while (++i < n) streamLine(coordinates[i], stream, 1); + stream.polygonEnd(); +} - return step == null ? interval : interval.every(step); +var geoStream = function(object, stream) { + if (object && streamObjectType.hasOwnProperty(object.type)) { + streamObjectType[object.type](object, stream); + } else { + streamGeometry(object, stream); } +}; - scale.invert = function(y) { - return new Date(invert(y)); - }; - - scale.domain = function(_) { - return arguments.length ? domain(map$3.call(_, number$2)) : domain().map(date$1); - }; +var areaRingSum = adder(); - scale.ticks = function(interval, step) { - var d = domain(), - t0 = d[0], - t1 = d[d.length - 1], - r = t1 < t0, - t; - if (r) t = t0, t0 = t1, t1 = t; - t = tickInterval(interval, t0, t1, step); - t = t ? t.range(t0, t1 + 1) : []; // inclusive stop - return r ? t.reverse() : t; - }; +var areaSum = adder(); +var lambda00; +var phi00; +var lambda0; +var cosPhi0; +var sinPhi0; - scale.tickFormat = function(count, specifier) { - return specifier == null ? tickFormat : format(specifier); - }; +var areaStream = { + point: noop$1, + lineStart: noop$1, + lineEnd: noop$1, + polygonStart: function() { + areaRingSum.reset(); + areaStream.lineStart = areaRingStart; + areaStream.lineEnd = areaRingEnd; + }, + polygonEnd: function() { + var areaRing = +areaRingSum; + areaSum.add(areaRing < 0 ? tau$3 + areaRing : areaRing); + this.lineStart = this.lineEnd = this.point = noop$1; + }, + sphere: function() { + areaSum.add(tau$3); + } +}; - scale.nice = function(interval, step) { - var d = domain(); - return (interval = tickInterval(interval, d[0], d[d.length - 1], step)) - ? domain(nice(d, interval)) - : scale; - }; +function areaRingStart() { + areaStream.point = areaPointFirst; +} - scale.copy = function() { - return copy(scale, calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format)); - }; +function areaRingEnd() { + areaPoint(lambda00, phi00); +} - return scale; +function areaPointFirst(lambda, phi) { + areaStream.point = areaPoint; + lambda00 = lambda, phi00 = phi; + lambda *= radians, phi *= radians; + lambda0 = lambda, cosPhi0 = cos$1(phi = phi / 2 + quarterPi), sinPhi0 = sin$1(phi); } -var time = function() { - return calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]); -}; +function areaPoint(lambda, phi) { + lambda *= radians, phi *= radians; + phi = phi / 2 + quarterPi; // half the angular distance from south pole -var utcTime = function() { - return calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); -}; + // Spherical excess E for a spherical triangle with vertices: south pole, + // previous point, current point. Uses a formula derived from Cagnoli’s + // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2). + var dLambda = lambda - lambda0, + sdLambda = dLambda >= 0 ? 1 : -1, + adLambda = sdLambda * dLambda, + cosPhi = cos$1(phi), + sinPhi = sin$1(phi), + k = sinPhi0 * sinPhi, + u = cosPhi0 * cosPhi + k * cos$1(adLambda), + v = k * sdLambda * sin$1(adLambda); + areaRingSum.add(atan2(v, u)); -var colors = function(s) { - return s.match(/.{6}/g).map(function(x) { - return "#" + x; - }); + // Advance the previous points. + lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; +} + +var area = function(object) { + areaSum.reset(); + geoStream(object, areaStream); + return areaSum * 2; }; -var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); +function spherical(cartesian) { + return [atan2(cartesian[1], cartesian[0]), asin(cartesian[2])]; +} -var category20b = colors("393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6"); +function cartesian(spherical) { + var lambda = spherical[0], phi = spherical[1], cosPhi = cos$1(phi); + return [cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)]; +} -var category20c = colors("3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9"); +function cartesianDot(a, b) { + return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; +} -var category20 = colors("1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5"); +function cartesianCross(a, b) { + return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]]; +} -var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); +// TODO return a +function cartesianAddInPlace(a, b) { + a[0] += b[0], a[1] += b[1], a[2] += b[2]; +} -var warm = cubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); +function cartesianScale(vector, k) { + return [vector[0] * k, vector[1] * k, vector[2] * k]; +} -var cool = cubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); +// TODO return d +function cartesianNormalizeInPlace(d) { + var l = sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); + d[0] /= l, d[1] /= l, d[2] /= l; +} -var rainbow = cubehelix(); +var lambda0$1; +var phi0; +var lambda1; +var phi1; +var lambda2; +var lambda00$1; +var phi00$1; +var p0; +var deltaSum = adder(); +var ranges; +var range; -var rainbow$1 = function(t) { - if (t < 0 || t > 1) t -= Math.floor(t); - var ts = Math.abs(t - 0.5); - rainbow.h = 360 * t - 100; - rainbow.s = 1.5 - 1.5 * ts; - rainbow.l = 0.8 - 0.9 * ts; - return rainbow + ""; +var boundsStream = { + point: boundsPoint, + lineStart: boundsLineStart, + lineEnd: boundsLineEnd, + polygonStart: function() { + boundsStream.point = boundsRingPoint; + boundsStream.lineStart = boundsRingStart; + boundsStream.lineEnd = boundsRingEnd; + deltaSum.reset(); + areaStream.polygonStart(); + }, + polygonEnd: function() { + areaStream.polygonEnd(); + boundsStream.point = boundsPoint; + boundsStream.lineStart = boundsLineStart; + boundsStream.lineEnd = boundsLineEnd; + if (areaRingSum < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); + else if (deltaSum > epsilon$2) phi1 = 90; + else if (deltaSum < -epsilon$2) phi0 = -90; + range[0] = lambda0$1, range[1] = lambda1; + } }; -function ramp(range) { - var n = range.length; - return function(t) { - return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; - }; +function boundsPoint(lambda, phi) { + ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; +} + +function linePoint(lambda, phi) { + var p = cartesian([lambda * radians, phi * radians]); + if (p0) { + var normal = cartesianCross(p0, p), + equatorial = [normal[1], -normal[0], 0], + inflection = cartesianCross(equatorial, normal); + cartesianNormalizeInPlace(inflection); + inflection = spherical(inflection); + var delta = lambda - lambda2, + sign$$1 = delta > 0 ? 1 : -1, + lambdai = inflection[0] * degrees$1 * sign$$1, + phii, + antimeridian = abs(delta) > 180; + if (antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) { + phii = inflection[1] * degrees$1; + if (phii > phi1) phi1 = phii; + } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) { + phii = -inflection[1] * degrees$1; + if (phii < phi0) phi0 = phii; + } else { + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; + } + if (antimeridian) { + if (lambda < lambda2) { + if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; + } else { + if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; + } + } else { + if (lambda1 >= lambda0$1) { + if (lambda < lambda0$1) lambda0$1 = lambda; + if (lambda > lambda1) lambda1 = lambda; + } else { + if (lambda > lambda2) { + if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; + } else { + if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; + } + } + } + } else { + ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); + } + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; + p0 = p, lambda2 = lambda; } -var viridis = ramp(colors("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")); - -var magma = ramp(colors("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")); - -var inferno = ramp(colors("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")); - -var plasma = ramp(colors("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")); +function boundsLineStart() { + boundsStream.point = linePoint; +} -function sequential(interpolator) { - var x0 = 0, - x1 = 1, - clamp = false; +function boundsLineEnd() { + range[0] = lambda0$1, range[1] = lambda1; + boundsStream.point = boundsPoint; + p0 = null; +} - function scale(x) { - var t = (x - x0) / (x1 - x0); - return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t); +function boundsRingPoint(lambda, phi) { + if (p0) { + var delta = lambda - lambda2; + deltaSum.add(abs(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta); + } else { + lambda00$1 = lambda, phi00$1 = phi; } + areaStream.point(lambda, phi); + linePoint(lambda, phi); +} - scale.domain = function(_) { - return arguments.length ? (x0 = +_[0], x1 = +_[1], scale) : [x0, x1]; - }; - - scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, scale) : clamp; - }; +function boundsRingStart() { + areaStream.lineStart(); +} - scale.interpolator = function(_) { - return arguments.length ? (interpolator = _, scale) : interpolator; - }; +function boundsRingEnd() { + boundsRingPoint(lambda00$1, phi00$1); + areaStream.lineEnd(); + if (abs(deltaSum) > epsilon$2) lambda0$1 = -(lambda1 = 180); + range[0] = lambda0$1, range[1] = lambda1; + p0 = null; +} - scale.copy = function() { - return sequential(interpolator).domain([x0, x1]).clamp(clamp); - }; +// Finds the left-right distance between two longitudes. +// This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want +// the distance between ±180° to be 360°. +function angle(lambda0, lambda1) { + return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1; +} - return linearish(scale); +function rangeCompare(a, b) { + return a[0] - b[0]; } -var xhtml = "http://www.w3.org/1999/xhtml"; +function rangeContains(range, x) { + return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; +} -var namespaces = { - svg: "http://www.w3.org/2000/svg", - xhtml: xhtml, - xlink: "http://www.w3.org/1999/xlink", - xml: "http://www.w3.org/XML/1998/namespace", - xmlns: "http://www.w3.org/2000/xmlns/" -}; +var bounds = function(feature) { + var i, n, a, b, merged, deltaMax, delta; -var namespace = function(name) { - var prefix = name += "", i = prefix.indexOf(":"); - if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); - return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; -}; + phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); + ranges = []; + geoStream(feature, boundsStream); -function creatorInherit(name) { - return function() { - var document = this.ownerDocument, - uri = this.namespaceURI; - return uri === xhtml && document.documentElement.namespaceURI === xhtml - ? document.createElement(name) - : document.createElementNS(uri, name); - }; -} + // First, sort ranges by their minimum longitudes. + if (n = ranges.length) { + ranges.sort(rangeCompare); -function creatorFixed(fullname) { - return function() { - return this.ownerDocument.createElementNS(fullname.space, fullname.local); - }; -} + // Then, merge any ranges that overlap. + for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) { + b = ranges[i]; + if (rangeContains(a, b[0]) || rangeContains(a, b[1])) { + if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; + if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; + } else { + merged.push(a = b); + } + } -var creator = function(name) { - var fullname = namespace(name); - return (fullname.local - ? creatorFixed - : creatorInherit)(fullname); -}; + // Finally, find the largest gap between the merged ranges. + // The final bounding box will be the inverse of this gap. + for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) { + b = merged[i]; + if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1]; + } + } -var nextId = 0; + ranges = range = null; -function local() { - return new Local; -} + return lambda0$1 === Infinity || phi0 === Infinity + ? [[NaN, NaN], [NaN, NaN]] + : [[lambda0$1, phi0], [lambda1, phi1]]; +}; -function Local() { - this._ = "@" + (++nextId).toString(36); -} +var W0; +var W1; +var X0; +var Y0; +var Z0; +var X1; +var Y1; +var Z1; +var X2; +var Y2; +var Z2; +var lambda00$2; +var phi00$2; +var x0; +var y0; +var z0; // previous point -Local.prototype = local.prototype = { - constructor: Local, - get: function(node) { - var id = this._; - while (!(id in node)) if (!(node = node.parentNode)) return; - return node[id]; - }, - set: function(node, value) { - return node[this._] = value; - }, - remove: function(node) { - return this._ in node && delete node[this._]; +var centroidStream = { + sphere: noop$1, + point: centroidPoint, + lineStart: centroidLineStart, + lineEnd: centroidLineEnd, + polygonStart: function() { + centroidStream.lineStart = centroidRingStart; + centroidStream.lineEnd = centroidRingEnd; }, - toString: function() { - return this._; + polygonEnd: function() { + centroidStream.lineStart = centroidLineStart; + centroidStream.lineEnd = centroidLineEnd; } }; -var matcher = function(selector) { - return function() { - return this.matches(selector); - }; -}; - -if (typeof document !== "undefined") { - var element = document.documentElement; - if (!element.matches) { - var vendorMatches = element.webkitMatchesSelector - || element.msMatchesSelector - || element.mozMatchesSelector - || element.oMatchesSelector; - matcher = function(selector) { - return function() { - return vendorMatches.call(this, selector); - }; - }; - } +// Arithmetic mean of Cartesian vectors. +function centroidPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi); + centroidPointCartesian(cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)); } -var matcher$1 = matcher; +function centroidPointCartesian(x, y, z) { + ++W0; + X0 += (x - X0) / W0; + Y0 += (y - Y0) / W0; + Z0 += (z - Z0) / W0; +} -var filterEvents = {}; +function centroidLineStart() { + centroidStream.point = centroidLinePointFirst; +} -exports.event = null; +function centroidLinePointFirst(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi); + x0 = cosPhi * cos$1(lambda); + y0 = cosPhi * sin$1(lambda); + z0 = sin$1(phi); + centroidStream.point = centroidLinePoint; + centroidPointCartesian(x0, y0, z0); +} -if (typeof document !== "undefined") { - var element$1 = document.documentElement; - if (!("onmouseenter" in element$1)) { - filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; - } +function centroidLinePoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi), + x = cosPhi * cos$1(lambda), + y = cosPhi * sin$1(lambda), + z = sin$1(phi), + w = atan2(sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); + W1 += w; + X1 += w * (x0 + (x0 = x)); + Y1 += w * (y0 + (y0 = y)); + Z1 += w * (z0 + (z0 = z)); + centroidPointCartesian(x0, y0, z0); } -function filterContextListener(listener, index, group) { - listener = contextListener(listener, index, group); - return function(event) { - var related = event.relatedTarget; - if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { - listener.call(this, event); - } - }; +function centroidLineEnd() { + centroidStream.point = centroidPoint; } -function contextListener(listener, index, group) { - return function(event1) { - var event0 = exports.event; // Events can be reentrant (e.g., focus). - exports.event = event1; - try { - listener.call(this, this.__data__, index, group); - } finally { - exports.event = event0; - } - }; +// See J. E. Brock, The Inertia Tensor for a Spherical Triangle, +// J. Applied Mechanics 42, 239 (1975). +function centroidRingStart() { + centroidStream.point = centroidRingPointFirst; } -function parseTypenames$1(typenames) { - return typenames.trim().split(/^|\s+/).map(function(t) { - var name = "", i = t.indexOf("."); - if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); - return {type: t, name: name}; - }); +function centroidRingEnd() { + centroidRingPoint(lambda00$2, phi00$2); + centroidStream.point = centroidPoint; } -function onRemove(typename) { - return function() { - var on = this.__on; - if (!on) return; - for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { - if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); - } else { - on[++i] = o; - } - } - if (++i) on.length = i; - else delete this.__on; - }; +function centroidRingPointFirst(lambda, phi) { + lambda00$2 = lambda, phi00$2 = phi; + lambda *= radians, phi *= radians; + centroidStream.point = centroidRingPoint; + var cosPhi = cos$1(phi); + x0 = cosPhi * cos$1(lambda); + y0 = cosPhi * sin$1(lambda); + z0 = sin$1(phi); + centroidPointCartesian(x0, y0, z0); } -function onAdd(typename, value, capture) { - var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; - return function(d, i, group) { - var on = this.__on, o, listener = wrap(value, i, group); - if (on) for (var j = 0, m = on.length; j < m; ++j) { - if ((o = on[j]).type === typename.type && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); - this.addEventListener(o.type, o.listener = listener, o.capture = capture); - o.value = value; - return; - } - } - this.addEventListener(typename.type, listener, capture); - o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; - if (!on) this.__on = [o]; - else on.push(o); - }; +function centroidRingPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi), + x = cosPhi * cos$1(lambda), + y = cosPhi * sin$1(lambda), + z = sin$1(phi), + cx = y0 * z - z0 * y, + cy = z0 * x - x0 * z, + cz = x0 * y - y0 * x, + m = sqrt(cx * cx + cy * cy + cz * cz), + w = asin(m), // line weight = angle + v = m && -w / m; // area weight multiplier + X2 += v * cx; + Y2 += v * cy; + Z2 += v * cz; + W1 += w; + X1 += w * (x0 + (x0 = x)); + Y1 += w * (y0 + (y0 = y)); + Z1 += w * (z0 + (z0 = z)); + centroidPointCartesian(x0, y0, z0); } -var selection_on = function(typename, value, capture) { - var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t; +var centroid = function(object) { + W0 = W1 = + X0 = Y0 = Z0 = + X1 = Y1 = Z1 = + X2 = Y2 = Z2 = 0; + geoStream(object, centroidStream); - if (arguments.length < 2) { - var on = this.node().__on; - if (on) for (var j = 0, m = on.length, o; j < m; ++j) { - for (i = 0, o = on[j]; i < n; ++i) { - if ((t = typenames[i]).type === o.type && t.name === o.name) { - return o.value; - } - } - } - return; + var x = X2, + y = Y2, + z = Z2, + m = x * x + y * y + z * z; + + // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid. + if (m < epsilon2$1) { + x = X1, y = Y1, z = Z1; + // If the feature has zero length, fall back to arithmetic mean of point vectors. + if (W1 < epsilon$2) x = X0, y = Y0, z = Z0; + m = x * x + y * y + z * z; + // If the feature still has an undefined ccentroid, then return. + if (m < epsilon2$1) return [NaN, NaN]; } - on = value ? onAdd : onRemove; - if (capture == null) capture = false; - for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); - return this; + return [atan2(y, x) * degrees$1, asin(z / sqrt(m)) * degrees$1]; }; -function customEvent(event1, listener, that, args) { - var event0 = exports.event; - event1.sourceEvent = exports.event; - exports.event = event1; - try { - return listener.apply(that, args); - } finally { - exports.event = event0; - } -} - -var sourceEvent = function() { - var current = exports.event, source; - while (source = current.sourceEvent) current = source; - return current; +var constant$7 = function(x) { + return function() { + return x; + }; }; -var point$5 = function(node, event) { - var svg = node.ownerSVGElement || node; +var compose = function(a, b) { - if (svg.createSVGPoint) { - var point = svg.createSVGPoint(); - point.x = event.clientX, point.y = event.clientY; - point = point.matrixTransform(node.getScreenCTM().inverse()); - return [point.x, point.y]; + function compose(x, y) { + return x = a(x, y), b(x[0], x[1]); } - var rect = node.getBoundingClientRect(); - return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; -}; + if (a.invert && b.invert) compose.invert = function(x, y) { + return x = b.invert(x, y), x && a.invert(x[0], x[1]); + }; -var mouse = function(node) { - var event = sourceEvent(); - if (event.changedTouches) event = event.changedTouches[0]; - return point$5(node, event); + return compose; }; -function none$2() {} +function rotationIdentity(lambda, phi) { + return [lambda > pi$3 ? lambda - tau$3 : lambda < -pi$3 ? lambda + tau$3 : lambda, phi]; +} -var selector = function(selector) { - return selector == null ? none$2 : function() { - return this.querySelector(selector); +rotationIdentity.invert = rotationIdentity; + +function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { + return (deltaLambda %= tau$3) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) + : rotationLambda(deltaLambda)) + : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) + : rotationIdentity); +} + +function forwardRotationLambda(deltaLambda) { + return function(lambda, phi) { + return lambda += deltaLambda, [lambda > pi$3 ? lambda - tau$3 : lambda < -pi$3 ? lambda + tau$3 : lambda, phi]; }; -}; +} -var selection_select = function(select) { - if (typeof select !== "function") select = selector(select); +function rotationLambda(deltaLambda) { + var rotation = forwardRotationLambda(deltaLambda); + rotation.invert = forwardRotationLambda(-deltaLambda); + return rotation; +} - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { - if ("__data__" in node) subnode.__data__ = node.__data__; - subgroup[i] = subnode; - } - } +function rotationPhiGamma(deltaPhi, deltaGamma) { + var cosDeltaPhi = cos$1(deltaPhi), + sinDeltaPhi = sin$1(deltaPhi), + cosDeltaGamma = cos$1(deltaGamma), + sinDeltaGamma = sin$1(deltaGamma); + + function rotation(lambda, phi) { + var cosPhi = cos$1(phi), + x = cos$1(lambda) * cosPhi, + y = sin$1(lambda) * cosPhi, + z = sin$1(phi), + k = z * cosDeltaPhi + x * sinDeltaPhi; + return [ + atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi), + asin(k * cosDeltaGamma + y * sinDeltaGamma) + ]; } - return new Selection(subgroups, this._parents); -}; + rotation.invert = function(lambda, phi) { + var cosPhi = cos$1(phi), + x = cos$1(lambda) * cosPhi, + y = sin$1(lambda) * cosPhi, + z = sin$1(phi), + k = z * cosDeltaGamma - y * sinDeltaGamma; + return [ + atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi), + asin(k * cosDeltaPhi - x * sinDeltaPhi) + ]; + }; -function empty() { - return []; + return rotation; } -var selectorAll = function(selector) { - return selector == null ? empty : function() { - return this.querySelectorAll(selector); +var rotation = function(rotate) { + rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); + + function forward(coordinates) { + coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians); + return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; + } + + forward.invert = function(coordinates) { + coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians); + return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; }; -}; -var selection_selectAll = function(select) { - if (typeof select !== "function") select = selectorAll(select); + return forward; +}; - for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - subgroups.push(select.call(node, node.__data__, i, group)); - parents.push(node); - } - } +// Generates a circle centered at [0°, 0°], with a given radius and precision. +function circleStream(stream, radius, delta, direction, t0, t1) { + if (!delta) return; + var cosRadius = cos$1(radius), + sinRadius = sin$1(radius), + step = direction * delta; + if (t0 == null) { + t0 = radius + direction * tau$3; + t1 = radius - step / 2; + } else { + t0 = circleRadius(cosRadius, t0); + t1 = circleRadius(cosRadius, t1); + if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$3; + } + for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) { + point = spherical([cosRadius, -sinRadius * cos$1(t), -sinRadius * sin$1(t)]); + stream.point(point[0], point[1]); } +} - return new Selection(subgroups, parents); -}; +// Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0]. +function circleRadius(cosRadius, point) { + point = cartesian(point), point[0] -= cosRadius; + cartesianNormalizeInPlace(point); + var radius = acos(-point[1]); + return ((-point[2] < 0 ? -radius : radius) + tau$3 - epsilon$2) % tau$3; +} -var selection_filter = function(match) { - if (typeof match !== "function") match = matcher$1(match); +var circle = function() { + var center = constant$7([0, 0]), + radius = constant$7(90), + precision = constant$7(6), + ring, + rotate, + stream = {point: point}; - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { - if ((node = group[i]) && match.call(node, node.__data__, i, group)) { - subgroup.push(node); - } - } + function point(x, y) { + ring.push(x = rotate(x, y)); + x[0] *= degrees$1, x[1] *= degrees$1; } - return new Selection(subgroups, this._parents); -}; + function circle() { + var c = center.apply(this, arguments), + r = radius.apply(this, arguments) * radians, + p = precision.apply(this, arguments) * radians; + ring = []; + rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert; + circleStream(stream, r, p, 1); + c = {type: "Polygon", coordinates: [ring]}; + ring = rotate = null; + return c; + } -var sparse = function(update) { - return new Array(update.length); -}; + circle.center = function(_) { + return arguments.length ? (center = typeof _ === "function" ? _ : constant$7([+_[0], +_[1]]), circle) : center; + }; -var selection_enter = function() { - return new Selection(this._enter || this._groups.map(sparse), this._parents); -}; + circle.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), circle) : radius; + }; -function EnterNode(parent, datum) { - this.ownerDocument = parent.ownerDocument; - this.namespaceURI = parent.namespaceURI; - this._next = null; - this._parent = parent; - this.__data__ = datum; -} + circle.precision = function(_) { + return arguments.length ? (precision = typeof _ === "function" ? _ : constant$7(+_), circle) : precision; + }; -EnterNode.prototype = { - constructor: EnterNode, - appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, - insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, - querySelector: function(selector) { return this._parent.querySelector(selector); }, - querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } + return circle; }; -var constant$5 = function(x) { - return function() { - return x; +var clipBuffer = function() { + var lines = [], + line; + return { + point: function(x, y) { + line.push([x, y]); + }, + lineStart: function() { + lines.push(line = []); + }, + lineEnd: noop$1, + rejoin: function() { + if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); + }, + result: function() { + var result = lines; + lines = []; + line = null; + return result; + } }; }; -var keyPrefix = "$"; // Protect against keys like “__proto__”. - -function bindIndex(parent, group, enter, update, exit, data) { - var i = 0, - node, - groupLength = group.length, - dataLength = data.length; - - // Put any non-null nodes that fit into update. - // Put any null nodes into enter. - // Put any remaining data into enter. - for (; i < dataLength; ++i) { - if (node = group[i]) { - node.__data__ = data[i]; - update[i] = node; - } else { - enter[i] = new EnterNode(parent, data[i]); - } - } +var clipLine = function(a, b, x0, y0, x1, y1) { + var ax = a[0], + ay = a[1], + bx = b[0], + by = b[1], + t0 = 0, + t1 = 1, + dx = bx - ax, + dy = by - ay, + r; - // Put any non-null nodes that don’t fit into exit. - for (; i < groupLength; ++i) { - if (node = group[i]) { - exit[i] = node; - } + r = x0 - ax; + if (!dx && r > 0) return; + r /= dx; + if (dx < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dx > 0) { + if (r > t1) return; + if (r > t0) t0 = r; } -} - -function bindKey(parent, group, enter, update, exit, data, key) { - var i, - node, - nodeByKeyValue = {}, - groupLength = group.length, - dataLength = data.length, - keyValues = new Array(groupLength), - keyValue; - // Compute the key for each node. - // If multiple nodes have the same key, the duplicates are added to exit. - for (i = 0; i < groupLength; ++i) { - if (node = group[i]) { - keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group); - if (keyValue in nodeByKeyValue) { - exit[i] = node; - } else { - nodeByKeyValue[keyValue] = node; - } - } + r = x1 - ax; + if (!dx && r < 0) return; + r /= dx; + if (dx < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dx > 0) { + if (r < t0) return; + if (r < t1) t1 = r; } - // Compute the key for each datum. - // If there a node associated with this key, join and add it to update. - // If there is not (or the key is a duplicate), add it to enter. - for (i = 0; i < dataLength; ++i) { - keyValue = keyPrefix + key.call(parent, data[i], i, data); - if (node = nodeByKeyValue[keyValue]) { - update[i] = node; - node.__data__ = data[i]; - nodeByKeyValue[keyValue] = null; - } else { - enter[i] = new EnterNode(parent, data[i]); - } + r = y0 - ay; + if (!dy && r > 0) return; + r /= dy; + if (dy < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dy > 0) { + if (r > t1) return; + if (r > t0) t0 = r; } - // Add any remaining nodes that were not bound to data to exit. - for (i = 0; i < groupLength; ++i) { - if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) { - exit[i] = node; - } + r = y1 - ay; + if (!dy && r < 0) return; + r /= dy; + if (dy < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dy > 0) { + if (r < t0) return; + if (r < t1) t1 = r; } -} -var selection_data = function(value, key) { - if (!value) { - data = new Array(this.size()), j = -1; - this.each(function(d) { data[++j] = d; }); - return data; - } + if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; + if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; + return true; +}; - var bind = key ? bindKey : bindIndex, - parents = this._parents, - groups = this._groups; +var pointEqual = function(a, b) { + return abs(a[0] - b[0]) < epsilon$2 && abs(a[1] - b[1]) < epsilon$2; +}; - if (typeof value !== "function") value = constant$5(value); +function Intersection(point, points, other, entry) { + this.x = point; + this.z = points; + this.o = other; // another intersection + this.e = entry; // is an entry? + this.v = false; // visited + this.n = this.p = null; // next & previous +} - for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) { - var parent = parents[j], - group = groups[j], - groupLength = group.length, - data = value.call(parent, parent && parent.__data__, j, parents), - dataLength = data.length, - enterGroup = enter[j] = new Array(dataLength), - updateGroup = update[j] = new Array(dataLength), - exitGroup = exit[j] = new Array(groupLength); +// A generalized polygon clipping algorithm: given a polygon that has been cut +// into its visible line segments, and rejoins the segments by interpolating +// along the clip edge. +var clipPolygon = function(segments, compareIntersection, startInside, interpolate, stream) { + var subject = [], + clip = [], + i, + n; - bind(parent, group, enterGroup, updateGroup, exitGroup, data, key); + segments.forEach(function(segment) { + if ((n = segment.length - 1) <= 0) return; + var n, p0 = segment[0], p1 = segment[n], x; - // Now connect the enter nodes to their following update node, such that - // appendChild can insert the materialized enter node before this node, - // rather than at the end of the parent node. - for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) { - if (previous = enterGroup[i0]) { - if (i0 >= i1) i1 = i0 + 1; - while (!(next = updateGroup[i1]) && ++i1 < dataLength); - previous._next = next || null; - } + // If the first and last points of a segment are coincident, then treat as a + // closed ring. TODO if all rings are closed, then the winding order of the + // exterior ring should be checked. + if (pointEqual(p0, p1)) { + stream.lineStart(); + for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]); + stream.lineEnd(); + return; } - } - update = new Selection(update, parents); - update._enter = enter; - update._exit = exit; - return update; -}; + subject.push(x = new Intersection(p0, segment, null, true)); + clip.push(x.o = new Intersection(p0, null, x, false)); + subject.push(x = new Intersection(p1, segment, null, false)); + clip.push(x.o = new Intersection(p1, null, x, true)); + }); -var selection_exit = function() { - return new Selection(this._exit || this._groups.map(sparse), this._parents); -}; + if (!subject.length) return; -var selection_merge = function(selection) { + clip.sort(compareIntersection); + link$1(subject); + link$1(clip); - for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { - for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group0[i] || group1[i]) { - merge[i] = node; - } - } + for (i = 0, n = clip.length; i < n; ++i) { + clip[i].e = startInside = !startInside; } - for (; j < m0; ++j) { - merges[j] = groups0[j]; - } + var start = subject[0], + points, + point; - return new Selection(merges, this._parents); + while (1) { + // Find first unvisited intersection. + var current = start, + isSubject = true; + while (current.v) if ((current = current.n) === start) return; + points = current.z; + stream.lineStart(); + do { + current.v = current.o.v = true; + if (current.e) { + if (isSubject) { + for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.n.x, 1, stream); + } + current = current.n; + } else { + if (isSubject) { + points = current.p.z; + for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.p.x, -1, stream); + } + current = current.p; + } + current = current.o; + points = current.z; + isSubject = !isSubject; + } while (!current.v); + stream.lineEnd(); + } }; -var selection_order = function() { - - for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { - for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) { - if (node = group[i]) { - if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); - next = node; - } - } +function link$1(array) { + if (!(n = array.length)) return; + var n, + i = 0, + a = array[0], + b; + while (++i < n) { + a.n = b = array[i]; + b.p = a; + a = b; } + a.n = b = array[0]; + b.p = a; +} - return this; -}; +var clipMax = 1e9; +var clipMin = -clipMax; -var selection_sort = function(compare) { - if (!compare) compare = ascending$2; +// TODO Use d3-polygon’s polygonContains here for the ring check? +// TODO Eliminate duplicate buffering in clipBuffer and polygon.push? - function compareNode(a, b) { - return a && b ? compare(a.__data__, b.__data__) : !a - !b; +function clipExtent(x0, y0, x1, y1) { + + function visible(x, y) { + return x0 <= x && x <= x1 && y0 <= y && y <= y1; } - for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group[i]) { - sortgroup[i] = node; - } + function interpolate(from, to, direction, stream) { + var a = 0, a1 = 0; + if (from == null + || (a = corner(from, direction)) !== (a1 = corner(to, direction)) + || comparePoint(from, to) < 0 ^ direction > 0) { + do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); + while ((a = (a + direction + 4) % 4) !== a1); + } else { + stream.point(to[0], to[1]); } - sortgroup.sort(compareNode); } - return new Selection(sortgroups, this._parents).order(); -}; + function corner(p, direction) { + return abs(p[0] - x0) < epsilon$2 ? direction > 0 ? 0 : 3 + : abs(p[0] - x1) < epsilon$2 ? direction > 0 ? 2 : 1 + : abs(p[1] - y0) < epsilon$2 ? direction > 0 ? 1 : 0 + : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon + } -function ascending$2(a, b) { - return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; -} + function compareIntersection(a, b) { + return comparePoint(a.x, b.x); + } -var selection_call = function() { - var callback = arguments[0]; - arguments[0] = this; - callback.apply(null, arguments); - return this; -}; + function comparePoint(a, b) { + var ca = corner(a, 1), + cb = corner(b, 1); + return ca !== cb ? ca - cb + : ca === 0 ? b[1] - a[1] + : ca === 1 ? a[0] - b[0] + : ca === 2 ? a[1] - b[1] + : b[0] - a[0]; + } -var selection_nodes = function() { - var nodes = new Array(this.size()), i = -1; - this.each(function() { nodes[++i] = this; }); - return nodes; -}; + return function(stream) { + var activeStream = stream, + bufferStream = clipBuffer(), + segments, + polygon, + ring, + x__, y__, v__, // first point + x_, y_, v_, // previous point + first, + clean; -var selection_node = function() { + var clipStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: polygonStart, + polygonEnd: polygonEnd + }; - for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { - for (var group = groups[j], i = 0, n = group.length; i < n; ++i) { - var node = group[i]; - if (node) return node; + function point(x, y) { + if (visible(x, y)) activeStream.point(x, y); } - } - return null; -}; + function polygonInside() { + var winding = 0; -var selection_size = function() { - var size = 0; - this.each(function() { ++size; }); - return size; -}; + for (var i = 0, n = polygon.length; i < n; ++i) { + for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { + a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; + if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } + else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } + } + } -var selection_empty = function() { - return !this.node(); -}; + return winding; + } -var selection_each = function(callback) { + // Buffer geometry within a polygon and then clip it en masse. + function polygonStart() { + activeStream = bufferStream, segments = [], polygon = [], clean = true; + } - for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { - for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { - if (node = group[i]) callback.call(node, node.__data__, i, group); + function polygonEnd() { + var startInside = polygonInside(), + cleanInside = clean && startInside, + visible = (segments = merge(segments)).length; + if (cleanInside || visible) { + stream.polygonStart(); + if (cleanInside) { + stream.lineStart(); + interpolate(null, null, 1, stream); + stream.lineEnd(); + } + if (visible) { + clipPolygon(segments, compareIntersection, startInside, interpolate, stream); + } + stream.polygonEnd(); + } + activeStream = stream, segments = polygon = ring = null; } - } - return this; -}; + function lineStart() { + clipStream.point = linePoint; + if (polygon) polygon.push(ring = []); + first = true; + v_ = false; + x_ = y_ = NaN; + } -function attrRemove(name) { - return function() { - this.removeAttribute(name); - }; -} + // TODO rather than special-case polygons, simply handle them separately. + // Ideally, coincident intersection points should be jittered to avoid + // clipping issues. + function lineEnd() { + if (segments) { + linePoint(x__, y__); + if (v__ && v_) bufferStream.rejoin(); + segments.push(bufferStream.result()); + } + clipStream.point = point; + if (v_) activeStream.lineEnd(); + } -function attrRemoveNS(fullname) { - return function() { - this.removeAttributeNS(fullname.space, fullname.local); - }; -} + function linePoint(x, y) { + var v = visible(x, y); + if (polygon) ring.push([x, y]); + if (first) { + x__ = x, y__ = y, v__ = v; + first = false; + if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + } + } else { + if (v && v_) activeStream.point(x, y); + else { + var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], + b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; + if (clipLine(a, b, x0, y0, x1, y1)) { + if (!v_) { + activeStream.lineStart(); + activeStream.point(a[0], a[1]); + } + activeStream.point(b[0], b[1]); + if (!v) activeStream.lineEnd(); + clean = false; + } else if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + clean = false; + } + } + } + x_ = x, y_ = y, v_ = v; + } -function attrConstant(name, value) { - return function() { - this.setAttribute(name, value); + return clipStream; }; } -function attrConstantNS(fullname, value) { - return function() { - this.setAttributeNS(fullname.space, fullname.local, value); - }; -} +var extent$1 = function() { + var x0 = 0, + y0 = 0, + x1 = 960, + y1 = 500, + cache, + cacheStream, + clip; -function attrFunction(name, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.removeAttribute(name); - else this.setAttribute(name, v); + return clip = { + stream: function(stream) { + return cache && cacheStream === stream ? cache : cache = clipExtent(x0, y0, x1, y1)(cacheStream = stream); + }, + extent: function(_) { + return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; + } }; -} +}; -function attrFunctionNS(fullname, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.removeAttributeNS(fullname.space, fullname.local); - else this.setAttributeNS(fullname.space, fullname.local, v); - }; -} +var sum$1 = adder(); -var selection_attr = function(name, value) { - var fullname = namespace(name); +var polygonContains = function(polygon, point) { + var lambda = point[0], + phi = point[1], + normal = [sin$1(lambda), -cos$1(lambda), 0], + angle = 0, + winding = 0; - if (arguments.length < 2) { - var node = this.node(); - return fullname.local - ? node.getAttributeNS(fullname.space, fullname.local) - : node.getAttribute(fullname); - } + sum$1.reset(); - return this.each((value == null - ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" - ? (fullname.local ? attrFunctionNS : attrFunction) - : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); -}; + for (var i = 0, n = polygon.length; i < n; ++i) { + if (!(m = (ring = polygon[i]).length)) continue; + var ring, + m, + point0 = ring[m - 1], + lambda0 = point0[0], + phi0 = point0[1] / 2 + quarterPi, + sinPhi0 = sin$1(phi0), + cosPhi0 = cos$1(phi0); -var window = function(node) { - return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node - || (node.document && node) // node is a Window - || node.defaultView; // node is a Document -}; + for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { + var point1 = ring[j], + lambda1 = point1[0], + phi1 = point1[1] / 2 + quarterPi, + sinPhi1 = sin$1(phi1), + cosPhi1 = cos$1(phi1), + delta = lambda1 - lambda0, + sign$$1 = delta >= 0 ? 1 : -1, + absDelta = sign$$1 * delta, + antimeridian = absDelta > pi$3, + k = sinPhi0 * sinPhi1; -function styleRemove(name) { - return function() { - this.style.removeProperty(name); - }; -} + sum$1.add(atan2(k * sign$$1 * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); + angle += antimeridian ? delta + sign$$1 * tau$3 : delta; -function styleConstant(name, value, priority) { - return function() { - this.style.setProperty(name, value, priority); - }; -} + // Are the longitudes either side of the point’s meridian (lambda), + // and are the latitudes smaller than the parallel (phi)? + if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) { + var arc = cartesianCross(cartesian(point0), cartesian(point1)); + cartesianNormalizeInPlace(arc); + var intersection = cartesianCross(normal, arc); + cartesianNormalizeInPlace(intersection); + var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin(intersection[2]); + if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) { + winding += antimeridian ^ delta >= 0 ? 1 : -1; + } + } + } + } -function styleFunction(name, value, priority) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.style.removeProperty(name); - else this.style.setProperty(name, v, priority); - }; -} + // First, determine whether the South pole is inside or outside: + // + // It is inside if: + // * the polygon winds around it in a clockwise direction. + // * the polygon does not (cumulatively) wind around it, but has a negative + // (counter-clockwise) area. + // + // Second, count the (signed) number of times a segment crosses a lambda + // from the point to the South pole. If it is zero, then the point is the + // same side as the South pole. -var selection_style = function(name, value, priority) { - var node; - return arguments.length > 1 - ? this.each((value == null - ? styleRemove : typeof value === "function" - ? styleFunction - : styleConstant)(name, value, priority == null ? "" : priority)) - : window(node = this.node()) - .getComputedStyle(node, null) - .getPropertyValue(name); + return (angle < -epsilon$2 || angle < epsilon$2 && sum$1 < -epsilon$2) ^ (winding & 1); }; -function propertyRemove(name) { - return function() { - delete this[name]; - }; -} - -function propertyConstant(name, value) { - return function() { - this[name] = value; - }; -} - -function propertyFunction(name, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) delete this[name]; - else this[name] = v; - }; -} +var lengthSum = adder(); +var lambda0$2; +var sinPhi0$1; +var cosPhi0$1; -var selection_property = function(name, value) { - return arguments.length > 1 - ? this.each((value == null - ? propertyRemove : typeof value === "function" - ? propertyFunction - : propertyConstant)(name, value)) - : this.node()[name]; +var lengthStream = { + sphere: noop$1, + point: noop$1, + lineStart: lengthLineStart, + lineEnd: noop$1, + polygonStart: noop$1, + polygonEnd: noop$1 }; -function classArray(string) { - return string.trim().split(/^|\s+/); -} - -function classList(node) { - return node.classList || new ClassList(node); +function lengthLineStart() { + lengthStream.point = lengthPointFirst; + lengthStream.lineEnd = lengthLineEnd; } -function ClassList(node) { - this._node = node; - this._names = classArray(node.getAttribute("class") || ""); +function lengthLineEnd() { + lengthStream.point = lengthStream.lineEnd = noop$1; } -ClassList.prototype = { - add: function(name) { - var i = this._names.indexOf(name); - if (i < 0) { - this._names.push(name); - this._node.setAttribute("class", this._names.join(" ")); - } - }, - remove: function(name) { - var i = this._names.indexOf(name); - if (i >= 0) { - this._names.splice(i, 1); - this._node.setAttribute("class", this._names.join(" ")); - } - }, - contains: function(name) { - return this._names.indexOf(name) >= 0; - } -}; - -function classedAdd(node, names) { - var list = classList(node), i = -1, n = names.length; - while (++i < n) list.add(names[i]); +function lengthPointFirst(lambda, phi) { + lambda *= radians, phi *= radians; + lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi); + lengthStream.point = lengthPoint; } -function classedRemove(node, names) { - var list = classList(node), i = -1, n = names.length; - while (++i < n) list.remove(names[i]); +function lengthPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var sinPhi = sin$1(phi), + cosPhi = cos$1(phi), + delta = abs(lambda - lambda0$2), + cosDelta = cos$1(delta), + sinDelta = sin$1(delta), + x = cosPhi * sinDelta, + y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, + z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; + lengthSum.add(atan2(sqrt(x * x + y * y), z)); + lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; } -function classedTrue(names) { - return function() { - classedAdd(this, names); - }; -} +var length$1 = function(object) { + lengthSum.reset(); + geoStream(object, lengthStream); + return +lengthSum; +}; -function classedFalse(names) { - return function() { - classedRemove(this, names); - }; -} +var coordinates = [null, null]; +var object$1 = {type: "LineString", coordinates: coordinates}; -function classedFunction(names, value) { - return function() { - (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names); - }; -} +var distance = function(a, b) { + coordinates[0] = a; + coordinates[1] = b; + return length$1(object$1); +}; -var selection_classed = function(name, value) { - var names = classArray(name + ""); +var containsObjectType = { + Feature: function(object, point) { + return containsGeometry(object.geometry, point); + }, + FeatureCollection: function(object, point) { + var features = object.features, i = -1, n = features.length; + while (++i < n) if (containsGeometry(features[i].geometry, point)) return true; + return false; + } +}; - if (arguments.length < 2) { - var list = classList(this.node()), i = -1, n = names.length; - while (++i < n) if (!list.contains(names[i])) return false; +var containsGeometryType = { + Sphere: function() { return true; + }, + Point: function(object, point) { + return containsPoint(object.coordinates, point); + }, + MultiPoint: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsPoint(coordinates[i], point)) return true; + return false; + }, + LineString: function(object, point) { + return containsLine(object.coordinates, point); + }, + MultiLineString: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsLine(coordinates[i], point)) return true; + return false; + }, + Polygon: function(object, point) { + return containsPolygon(object.coordinates, point); + }, + MultiPolygon: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsPolygon(coordinates[i], point)) return true; + return false; + }, + GeometryCollection: function(object, point) { + var geometries = object.geometries, i = -1, n = geometries.length; + while (++i < n) if (containsGeometry(geometries[i], point)) return true; + return false; } - - return this.each((typeof value === "function" - ? classedFunction : value - ? classedTrue - : classedFalse)(names, value)); }; -function textRemove() { - this.textContent = ""; +function containsGeometry(geometry, point) { + return geometry && containsGeometryType.hasOwnProperty(geometry.type) + ? containsGeometryType[geometry.type](geometry, point) + : false; } -function textConstant(value) { - return function() { - this.textContent = value; - }; +function containsPoint(coordinates, point) { + return distance(coordinates, point) === 0; } -function textFunction(value) { - return function() { - var v = value.apply(this, arguments); - this.textContent = v == null ? "" : v; - }; +function containsLine(coordinates, point) { + var ab = distance(coordinates[0], coordinates[1]), + ao = distance(coordinates[0], point), + ob = distance(point, coordinates[1]); + return ao + ob <= ab + epsilon$2; } -var selection_text = function(value) { - return arguments.length - ? this.each(value == null - ? textRemove : (typeof value === "function" - ? textFunction - : textConstant)(value)) - : this.node().textContent; -}; - -function htmlRemove() { - this.innerHTML = ""; +function containsPolygon(coordinates, point) { + return !!polygonContains(coordinates.map(ringRadians), pointRadians(point)); } -function htmlConstant(value) { - return function() { - this.innerHTML = value; - }; +function ringRadians(ring) { + return ring = ring.map(pointRadians), ring.pop(), ring; } -function htmlFunction(value) { - return function() { - var v = value.apply(this, arguments); - this.innerHTML = v == null ? "" : v; - }; +function pointRadians(point) { + return [point[0] * radians, point[1] * radians]; } -var selection_html = function(value) { - return arguments.length - ? this.each(value == null - ? htmlRemove : (typeof value === "function" - ? htmlFunction - : htmlConstant)(value)) - : this.node().innerHTML; +var contains = function(object, point) { + return (object && containsObjectType.hasOwnProperty(object.type) + ? containsObjectType[object.type] + : containsGeometry)(object, point); }; -function raise$1() { - if (this.nextSibling) this.parentNode.appendChild(this); +function graticuleX(y0, y1, dy) { + var y = sequence(y0, y1 - epsilon$2, dy).concat(y1); + return function(x) { return y.map(function(y) { return [x, y]; }); }; } -var selection_raise = function() { - return this.each(raise$1); -}; - -function lower() { - if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); +function graticuleY(x0, x1, dx) { + var x = sequence(x0, x1 - epsilon$2, dx).concat(x1); + return function(y) { return x.map(function(x) { return [x, y]; }); }; } -var selection_lower = function() { - return this.each(lower); -}; - -var selection_append = function(name) { - var create = typeof name === "function" ? name : creator(name); - return this.select(function() { - return this.appendChild(create.apply(this, arguments)); - }); -}; - -function constantNull() { - return null; -} +function graticule() { + var x1, x0, X1, X0, + y1, y0, Y1, Y0, + dx = 10, dy = dx, DX = 90, DY = 360, + x, y, X, Y, + precision = 2.5; -var selection_insert = function(name, before) { - var create = typeof name === "function" ? name : creator(name), - select = before == null ? constantNull : typeof before === "function" ? before : selector(before); - return this.select(function() { - return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); - }); -}; + function graticule() { + return {type: "MultiLineString", coordinates: lines()}; + } -function remove() { - var parent = this.parentNode; - if (parent) parent.removeChild(this); -} + function lines() { + return sequence(ceil(X0 / DX) * DX, X1, DX).map(X) + .concat(sequence(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) + .concat(sequence(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$2; }).map(x)) + .concat(sequence(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$2; }).map(y)); + } -var selection_remove = function() { - return this.each(remove); -}; + graticule.lines = function() { + return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); + }; -var selection_datum = function(value) { - return arguments.length - ? this.property("__data__", value) - : this.node().__data__; -}; + graticule.outline = function() { + return { + type: "Polygon", + coordinates: [ + X(X0).concat( + Y(Y1).slice(1), + X(X1).reverse().slice(1), + Y(Y0).reverse().slice(1)) + ] + }; + }; -function dispatchEvent(node, type, params) { - var window$$1 = window(node), - event = window$$1.CustomEvent; + graticule.extent = function(_) { + if (!arguments.length) return graticule.extentMinor(); + return graticule.extentMajor(_).extentMinor(_); + }; - if (event) { - event = new event(type, params); - } else { - event = window$$1.document.createEvent("Event"); - if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; - else event.initEvent(type, false, false); - } + graticule.extentMajor = function(_) { + if (!arguments.length) return [[X0, Y0], [X1, Y1]]; + X0 = +_[0][0], X1 = +_[1][0]; + Y0 = +_[0][1], Y1 = +_[1][1]; + if (X0 > X1) _ = X0, X0 = X1, X1 = _; + if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; + return graticule.precision(precision); + }; - node.dispatchEvent(event); -} + graticule.extentMinor = function(_) { + if (!arguments.length) return [[x0, y0], [x1, y1]]; + x0 = +_[0][0], x1 = +_[1][0]; + y0 = +_[0][1], y1 = +_[1][1]; + if (x0 > x1) _ = x0, x0 = x1, x1 = _; + if (y0 > y1) _ = y0, y0 = y1, y1 = _; + return graticule.precision(precision); + }; -function dispatchConstant(type, params) { - return function() { - return dispatchEvent(this, type, params); + graticule.step = function(_) { + if (!arguments.length) return graticule.stepMinor(); + return graticule.stepMajor(_).stepMinor(_); }; -} -function dispatchFunction(type, params) { - return function() { - return dispatchEvent(this, type, params.apply(this, arguments)); + graticule.stepMajor = function(_) { + if (!arguments.length) return [DX, DY]; + DX = +_[0], DY = +_[1]; + return graticule; }; -} -var selection_dispatch = function(type, params) { - return this.each((typeof params === "function" - ? dispatchFunction - : dispatchConstant)(type, params)); -}; + graticule.stepMinor = function(_) { + if (!arguments.length) return [dx, dy]; + dx = +_[0], dy = +_[1]; + return graticule; + }; -var root = [null]; + graticule.precision = function(_) { + if (!arguments.length) return precision; + precision = +_; + x = graticuleX(y0, y1, 90); + y = graticuleY(x0, x1, precision); + X = graticuleX(Y0, Y1, 90); + Y = graticuleY(X0, X1, precision); + return graticule; + }; -function Selection(groups, parents) { - this._groups = groups; - this._parents = parents; + return graticule + .extentMajor([[-180, -90 + epsilon$2], [180, 90 - epsilon$2]]) + .extentMinor([[-180, -80 - epsilon$2], [180, 80 + epsilon$2]]); } -function selection() { - return new Selection([[document.documentElement]], root); +function graticule10() { + return graticule()(); } -Selection.prototype = selection.prototype = { - constructor: Selection, - select: selection_select, - selectAll: selection_selectAll, - filter: selection_filter, - data: selection_data, - enter: selection_enter, - exit: selection_exit, - merge: selection_merge, - order: selection_order, - sort: selection_sort, - call: selection_call, - nodes: selection_nodes, - node: selection_node, - size: selection_size, - empty: selection_empty, - each: selection_each, - attr: selection_attr, - style: selection_style, - property: selection_property, - classed: selection_classed, - text: selection_text, - html: selection_html, - raise: selection_raise, - lower: selection_lower, - append: selection_append, - insert: selection_insert, - remove: selection_remove, - datum: selection_datum, - on: selection_on, - dispatch: selection_dispatch -}; +var interpolate$1 = function(a, b) { + var x0 = a[0] * radians, + y0 = a[1] * radians, + x1 = b[0] * radians, + y1 = b[1] * radians, + cy0 = cos$1(y0), + sy0 = sin$1(y0), + cy1 = cos$1(y1), + sy1 = sin$1(y1), + kx0 = cy0 * cos$1(x0), + ky0 = cy0 * sin$1(x0), + kx1 = cy1 * cos$1(x1), + ky1 = cy1 * sin$1(x1), + d = 2 * asin(sqrt(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), + k = sin$1(d); + + var interpolate = d ? function(t) { + var B = sin$1(t *= d) / k, + A = sin$1(d - t) / k, + x = A * kx0 + B * kx1, + y = A * ky0 + B * ky1, + z = A * sy0 + B * sy1; + return [ + atan2(y, x) * degrees$1, + atan2(z, sqrt(x * x + y * y)) * degrees$1 + ]; + } : function() { + return [x0 * degrees$1, y0 * degrees$1]; + }; -var select = function(selector) { - return typeof selector === "string" - ? new Selection([[document.querySelector(selector)]], [document.documentElement]) - : new Selection([[selector]], root); + interpolate.distance = d; + + return interpolate; }; -var selectAll = function(selector) { - return typeof selector === "string" - ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) - : new Selection([selector == null ? [] : selector], root); +var identity$4 = function(x) { + return x; }; -var touch = function(node, touches, identifier) { - if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; +var areaSum$1 = adder(); +var areaRingSum$1 = adder(); +var x00; +var y00; +var x0$1; +var y0$1; - for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) { - if ((touch = touches[i]).identifier === identifier) { - return point$5(node, touch); - } +var areaStream$1 = { + point: noop$1, + lineStart: noop$1, + lineEnd: noop$1, + polygonStart: function() { + areaStream$1.lineStart = areaRingStart$1; + areaStream$1.lineEnd = areaRingEnd$1; + }, + polygonEnd: function() { + areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$1; + areaSum$1.add(abs(areaRingSum$1)); + areaRingSum$1.reset(); + }, + result: function() { + var area = areaSum$1 / 2; + areaSum$1.reset(); + return area; } - - return null; }; -var touches = function(node, touches) { - if (touches == null) touches = sourceEvent().touches; +function areaRingStart$1() { + areaStream$1.point = areaPointFirst$1; +} - for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) { - points[i] = point$5(node, touches[i]); - } +function areaPointFirst$1(x, y) { + areaStream$1.point = areaPoint$1; + x00 = x0$1 = x, y00 = y0$1 = y; +} - return points; +function areaPoint$1(x, y) { + areaRingSum$1.add(y0$1 * x - x0$1 * y); + x0$1 = x, y0$1 = y; +} + +function areaRingEnd$1() { + areaPoint$1(x00, y00); +} + +var x0$2 = Infinity; +var y0$2 = x0$2; +var x1 = -x0$2; +var y1 = x1; + +var boundsStream$1 = { + point: boundsPoint$1, + lineStart: noop$1, + lineEnd: noop$1, + polygonStart: noop$1, + polygonEnd: noop$1, + result: function() { + var bounds = [[x0$2, y0$2], [x1, y1]]; + x1 = y1 = -(y0$2 = x0$2 = Infinity); + return bounds; + } }; -var emptyOn = dispatch("start", "end", "interrupt"); -var emptyTween = []; +function boundsPoint$1(x, y) { + if (x < x0$2) x0$2 = x; + if (x > x1) x1 = x; + if (y < y0$2) y0$2 = y; + if (y > y1) y1 = y; +} -var CREATED = 0; -var SCHEDULED = 1; -var STARTING = 2; -var STARTED = 3; -var RUNNING = 4; -var ENDING = 5; -var ENDED = 6; +// TODO Enforce positive area for exterior, negative area for interior? -var schedule = function(node, name, id, index, group, timing) { - var schedules = node.__transition; - if (!schedules) node.__transition = {}; - else if (id in schedules) return; - create(node, id, { - name: name, - index: index, // For context during callback. - group: group, // For context during callback. - on: emptyOn, - tween: emptyTween, - time: timing.time, - delay: timing.delay, - duration: timing.duration, - ease: timing.ease, - timer: null, - state: CREATED - }); +var X0$1 = 0; +var Y0$1 = 0; +var Z0$1 = 0; +var X1$1 = 0; +var Y1$1 = 0; +var Z1$1 = 0; +var X2$1 = 0; +var Y2$1 = 0; +var Z2$1 = 0; +var x00$1; +var y00$1; +var x0$3; +var y0$3; + +var centroidStream$1 = { + point: centroidPoint$1, + lineStart: centroidLineStart$1, + lineEnd: centroidLineEnd$1, + polygonStart: function() { + centroidStream$1.lineStart = centroidRingStart$1; + centroidStream$1.lineEnd = centroidRingEnd$1; + }, + polygonEnd: function() { + centroidStream$1.point = centroidPoint$1; + centroidStream$1.lineStart = centroidLineStart$1; + centroidStream$1.lineEnd = centroidLineEnd$1; + }, + result: function() { + var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] + : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] + : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] + : [NaN, NaN]; + X0$1 = Y0$1 = Z0$1 = + X1$1 = Y1$1 = Z1$1 = + X2$1 = Y2$1 = Z2$1 = 0; + return centroid; + } }; -function init(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id]) || schedule.state > CREATED) throw new Error("too late"); - return schedule; +function centroidPoint$1(x, y) { + X0$1 += x; + Y0$1 += y; + ++Z0$1; } -function set$3(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id]) || schedule.state > STARTING) throw new Error("too late"); - return schedule; +function centroidLineStart$1() { + centroidStream$1.point = centroidPointFirstLine; } -function get$1(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id])) throw new Error("too late"); - return schedule; +function centroidPointFirstLine(x, y) { + centroidStream$1.point = centroidPointLine; + centroidPoint$1(x0$3 = x, y0$3 = y); } -function create(node, id, self) { - var schedules = node.__transition, - tween; +function centroidPointLine(x, y) { + var dx = x - x0$3, dy = y - y0$3, z = sqrt(dx * dx + dy * dy); + X1$1 += z * (x0$3 + x) / 2; + Y1$1 += z * (y0$3 + y) / 2; + Z1$1 += z; + centroidPoint$1(x0$3 = x, y0$3 = y); +} - // Initialize the self timer when the transition is created. - // Note the actual delay is not known until the first callback! - schedules[id] = self; - self.timer = timer(schedule, 0, self.time); +function centroidLineEnd$1() { + centroidStream$1.point = centroidPoint$1; +} - function schedule(elapsed) { - self.state = SCHEDULED; - self.timer.restart(start, self.delay, self.time); +function centroidRingStart$1() { + centroidStream$1.point = centroidPointFirstRing; +} - // If the elapsed delay is less than our first sleep, start immediately. - if (self.delay <= elapsed) start(elapsed - self.delay); - } +function centroidRingEnd$1() { + centroidPointRing(x00$1, y00$1); +} - function start(elapsed) { - var i, j, n, o; +function centroidPointFirstRing(x, y) { + centroidStream$1.point = centroidPointRing; + centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); +} - // If the state is not SCHEDULED, then we previously errored on start. - if (self.state !== SCHEDULED) return stop(); +function centroidPointRing(x, y) { + var dx = x - x0$3, + dy = y - y0$3, + z = sqrt(dx * dx + dy * dy); - for (i in schedules) { - o = schedules[i]; - if (o.name !== self.name) continue; + X1$1 += z * (x0$3 + x) / 2; + Y1$1 += z * (y0$3 + y) / 2; + Z1$1 += z; - // While this element already has a starting transition during this frame, - // defer starting an interrupting transition until that transition has a - // chance to tick (and possibly end); see d3/d3-transition#54! - if (o.state === STARTED) return timeout$1(start); + z = y0$3 * x - x0$3 * y; + X2$1 += z * (x0$3 + x); + Y2$1 += z * (y0$3 + y); + Z2$1 += z * 3; + centroidPoint$1(x0$3 = x, y0$3 = y); +} - // Interrupt the active transition, if any. - // Dispatch the interrupt event. - if (o.state === RUNNING) { - o.state = ENDED; - o.timer.stop(); - o.on.call("interrupt", node, node.__data__, o.index, o.group); - delete schedules[i]; +function PathContext(context) { + this._context = context; +} + +PathContext.prototype = { + _radius: 4.5, + pointRadius: function(_) { + return this._radius = _, this; + }, + polygonStart: function() { + this._line = 0; + }, + polygonEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line === 0) this._context.closePath(); + this._point = NaN; + }, + point: function(x, y) { + switch (this._point) { + case 0: { + this._context.moveTo(x, y); + this._point = 1; + break; } - - // Cancel any pre-empted transitions. No interrupt event is dispatched - // because the cancelled transitions never started. Note that this also - // removes this transition from the pending list! - else if (+i < id) { - o.state = ENDED; - o.timer.stop(); - delete schedules[i]; + case 1: { + this._context.lineTo(x, y); + break; } - } - - // Defer the first tick to end of the current frame; see d3/d3#1576. - // Note the transition may be canceled after start and before the first tick! - // Note this must be scheduled before the start event; see d3/d3-transition#16! - // Assuming this is successful, subsequent callbacks go straight to tick. - timeout$1(function() { - if (self.state === STARTED) { - self.state = RUNNING; - self.timer.restart(tick, self.delay, self.time); - tick(elapsed); + default: { + this._context.moveTo(x + this._radius, y); + this._context.arc(x, y, this._radius, 0, tau$3); + break; } - }); + } + }, + result: noop$1 +}; - // Dispatch the start event. - // Note this must be done before the tween are initialized. - self.state = STARTING; - self.on.call("start", node, node.__data__, self.index, self.group); - if (self.state !== STARTING) return; // interrupted - self.state = STARTED; +var lengthSum$1 = adder(); +var lengthRing; +var x00$2; +var y00$2; +var x0$4; +var y0$4; - // Initialize the tween, deleting null tween. - tween = new Array(n = self.tween.length); - for (i = 0, j = -1; i < n; ++i) { - if (o = self.tween[i].value.call(node, node.__data__, self.index, self.group)) { - tween[++j] = o; - } - } - tween.length = j + 1; +var lengthStream$1 = { + point: noop$1, + lineStart: function() { + lengthStream$1.point = lengthPointFirst$1; + }, + lineEnd: function() { + if (lengthRing) lengthPoint$1(x00$2, y00$2); + lengthStream$1.point = noop$1; + }, + polygonStart: function() { + lengthRing = true; + }, + polygonEnd: function() { + lengthRing = null; + }, + result: function() { + var length = +lengthSum$1; + lengthSum$1.reset(); + return length; } +}; - function tick(elapsed) { - var t = elapsed < self.duration ? self.ease.call(null, elapsed / self.duration) : (self.timer.restart(stop), self.state = ENDING, 1), - i = -1, - n = tween.length; +function lengthPointFirst$1(x, y) { + lengthStream$1.point = lengthPoint$1; + x00$2 = x0$4 = x, y00$2 = y0$4 = y; +} - while (++i < n) { - tween[i].call(null, t); - } +function lengthPoint$1(x, y) { + x0$4 -= x, y0$4 -= y; + lengthSum$1.add(sqrt(x0$4 * x0$4 + y0$4 * y0$4)); + x0$4 = x, y0$4 = y; +} - // Dispatch the end event. - if (self.state === ENDING) { - self.on.call("end", node, node.__data__, self.index, self.group); - stop(); +function PathString() { + this._string = []; +} + +PathString.prototype = { + _circle: circle$1(4.5), + pointRadius: function(_) { + return this._circle = circle$1(_), this; + }, + polygonStart: function() { + this._line = 0; + }, + polygonEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line === 0) this._string.push("Z"); + this._point = NaN; + }, + point: function(x, y) { + switch (this._point) { + case 0: { + this._string.push("M", x, ",", y); + this._point = 1; + break; + } + case 1: { + this._string.push("L", x, ",", y); + break; + } + default: { + this._string.push("M", x, ",", y, this._circle); + break; + } + } + }, + result: function() { + if (this._string.length) { + var result = this._string.join(""); + this._string = []; + return result; } } +}; - function stop() { - self.state = ENDED; - self.timer.stop(); - delete schedules[id]; - for (var i in schedules) return; // eslint-disable-line no-unused-vars - delete node.__transition; - } +function circle$1(radius) { + return "m0," + radius + + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + + "z"; } -var interrupt = function(node, name) { - var schedules = node.__transition, - schedule, - active, - empty = true, - i; +var index$1 = function(projection, context) { + var pointRadius = 4.5, + projectionStream, + contextStream; - if (!schedules) return; + function path(object) { + if (object) { + if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); + geoStream(object, projectionStream(contextStream)); + } + return contextStream.result(); + } - name = name == null ? null : name + ""; + path.area = function(object) { + geoStream(object, projectionStream(areaStream$1)); + return areaStream$1.result(); + }; - for (i in schedules) { - if ((schedule = schedules[i]).name !== name) { empty = false; continue; } - active = schedule.state > STARTING && schedule.state < ENDING; - schedule.state = ENDED; - schedule.timer.stop(); - if (active) schedule.on.call("interrupt", node, node.__data__, schedule.index, schedule.group); - delete schedules[i]; - } + path.measure = function(object) { + geoStream(object, projectionStream(lengthStream$1)); + return lengthStream$1.result(); + }; - if (empty) delete node.__transition; -}; + path.bounds = function(object) { + geoStream(object, projectionStream(boundsStream$1)); + return boundsStream$1.result(); + }; -var selection_interrupt = function(name) { - return this.each(function() { - interrupt(this, name); - }); -}; + path.centroid = function(object) { + geoStream(object, projectionStream(centroidStream$1)); + return centroidStream$1.result(); + }; -function tweenRemove(id, name) { - var tween0, tween1; - return function() { - var schedule = set$3(this, id), - tween = schedule.tween; + path.projection = function(_) { + return arguments.length ? (projectionStream = _ == null ? (projection = null, identity$4) : (projection = _).stream, path) : projection; + }; - // If this node shared tween with the previous node, - // just assign the updated shared tween and we’re done! - // Otherwise, copy-on-write. - if (tween !== tween0) { - tween1 = tween0 = tween; - for (var i = 0, n = tween1.length; i < n; ++i) { - if (tween1[i].name === name) { - tween1 = tween1.slice(); - tween1.splice(i, 1); - break; - } - } - } + path.context = function(_) { + if (!arguments.length) return context; + contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); + if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); + return path; + }; - schedule.tween = tween1; + path.pointRadius = function(_) { + if (!arguments.length) return pointRadius; + pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); + return path; }; -} -function tweenFunction(id, name, value) { - var tween0, tween1; - if (typeof value !== "function") throw new Error; - return function() { - var schedule = set$3(this, id), - tween = schedule.tween; + return path.projection(projection).context(context); +}; - // If this node shared tween with the previous node, - // just assign the updated shared tween and we’re done! - // Otherwise, copy-on-write. - if (tween !== tween0) { - tween1 = (tween0 = tween).slice(); - for (var t = {name: name, value: value}, i = 0, n = tween1.length; i < n; ++i) { - if (tween1[i].name === name) { - tween1[i] = t; - break; +var clip = function(pointVisible, clipLine, interpolate, start) { + return function(rotate, sink) { + var line = clipLine(sink), + rotatedStart = rotate.invert(start[0], start[1]), + ringBuffer = clipBuffer(), + ringSink = clipLine(ringBuffer), + polygonStarted = false, + polygon, + segments, + ring; + + var clip = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + clip.point = pointRing; + clip.lineStart = ringStart; + clip.lineEnd = ringEnd; + segments = []; + polygon = []; + }, + polygonEnd: function() { + clip.point = point; + clip.lineStart = lineStart; + clip.lineEnd = lineEnd; + segments = merge(segments); + var startInside = polygonContains(polygon, rotatedStart); + if (segments.length) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + clipPolygon(segments, compareIntersection, startInside, interpolate, sink); + } else if (startInside) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); } + if (polygonStarted) sink.polygonEnd(), polygonStarted = false; + segments = polygon = null; + }, + sphere: function() { + sink.polygonStart(); + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); + sink.polygonEnd(); } - if (i === n) tween1.push(t); - } - - schedule.tween = tween1; - }; -} + }; -var transition_tween = function(name, value) { - var id = this._id; + function point(lambda, phi) { + var point = rotate(lambda, phi); + if (pointVisible(lambda = point[0], phi = point[1])) sink.point(lambda, phi); + } - name += ""; + function pointLine(lambda, phi) { + var point = rotate(lambda, phi); + line.point(point[0], point[1]); + } - if (arguments.length < 2) { - var tween = get$1(this.node(), id).tween; - for (var i = 0, n = tween.length, t; i < n; ++i) { - if ((t = tween[i]).name === name) { - return t.value; - } + function lineStart() { + clip.point = pointLine; + line.lineStart(); } - return null; - } - return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); -}; + function lineEnd() { + clip.point = point; + line.lineEnd(); + } -function tweenValue(transition, name, value) { - var id = transition._id; + function pointRing(lambda, phi) { + ring.push([lambda, phi]); + var point = rotate(lambda, phi); + ringSink.point(point[0], point[1]); + } - transition.each(function() { - var schedule = set$3(this, id); - (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); - }); + function ringStart() { + ringSink.lineStart(); + ring = []; + } - return function(node) { - return get$1(node, id).value[name]; - }; -} + function ringEnd() { + pointRing(ring[0][0], ring[0][1]); + ringSink.lineEnd(); -var interpolate$1 = function(a, b) { - var c; - return (typeof b === "number" ? interpolateNumber - : b instanceof color ? interpolateRgb - : (c = color(b)) ? (b = c, interpolateRgb) - : interpolateString)(a, b); -}; + var clean = ringSink.clean(), + ringSegments = ringBuffer.result(), + i, n = ringSegments.length, m, + segment, + point; -function attrRemove$1(name) { - return function() { - this.removeAttribute(name); - }; -} + ring.pop(); + polygon.push(ring); + ring = null; -function attrRemoveNS$1(fullname) { - return function() { - this.removeAttributeNS(fullname.space, fullname.local); - }; -} + if (!n) return; -function attrConstant$1(name, interpolate$$1, value1) { - var value00, - interpolate0; - return function() { - var value0 = this.getAttribute(name); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value1); - }; -} + // No intersections. + if (clean & 1) { + segment = ringSegments[0]; + if ((m = segment.length - 1) > 0) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); + sink.lineEnd(); + } + return; + } -function attrConstantNS$1(fullname, interpolate$$1, value1) { - var value00, - interpolate0; - return function() { - var value0 = this.getAttributeNS(fullname.space, fullname.local); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value1); - }; -} + // Rejoin connected segments. + // TODO reuse ringBuffer.rejoin()? + if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); -function attrFunction$1(name, interpolate$$1, value) { - var value00, - value10, - interpolate0; - return function() { - var value0, value1 = value(this); - if (value1 == null) return void this.removeAttribute(name); - value0 = this.getAttribute(name); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); - }; -} + segments.push(ringSegments.filter(validSegment)); + } -function attrFunctionNS$1(fullname, interpolate$$1, value) { - var value00, - value10, - interpolate0; - return function() { - var value0, value1 = value(this); - if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local); - value0 = this.getAttributeNS(fullname.space, fullname.local); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + return clip; }; -} - -var transition_attr = function(name, value) { - var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate$1; - return this.attrTween(name, typeof value === "function" - ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) - : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) - : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); -}; - -function attrTweenNS(fullname, value) { - function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.setAttributeNS(fullname.space, fullname.local, i(t)); - }; - } - tween._value = value; - return tween; -} - -function attrTween(name, value) { - function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.setAttribute(name, i(t)); - }; - } - tween._value = value; - return tween; -} - -var transition_attrTween = function(name, value) { - var key = "attr." + name; - if (arguments.length < 2) return (key = this.tween(key)) && key._value; - if (value == null) return this.tween(key, null); - if (typeof value !== "function") throw new Error; - var fullname = namespace(name); - return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value)); }; -function delayFunction(id, value) { - return function() { - init(this, id).delay = +value.apply(this, arguments); - }; +function validSegment(segment) { + return segment.length > 1; } -function delayConstant(id, value) { - return value = +value, function() { - init(this, id).delay = value; - }; +// Intersections are sorted along the clip edge. For both antimeridian cutting +// and circle clipping, the same comparison is used. +function compareIntersection(a, b) { + return ((a = a.x)[0] < 0 ? a[1] - halfPi$2 - epsilon$2 : halfPi$2 - a[1]) + - ((b = b.x)[0] < 0 ? b[1] - halfPi$2 - epsilon$2 : halfPi$2 - b[1]); } -var transition_delay = function(value) { - var id = this._id; - - return arguments.length - ? this.each((typeof value === "function" - ? delayFunction - : delayConstant)(id, value)) - : get$1(this.node(), id).delay; -}; +var clipAntimeridian = clip( + function() { return true; }, + clipAntimeridianLine, + clipAntimeridianInterpolate, + [-pi$3, -halfPi$2] +); -function durationFunction(id, value) { - return function() { - set$3(this, id).duration = +value.apply(this, arguments); - }; -} +// Takes a line and cuts into visible segments. Return values: 0 - there were +// intersections or the line was empty; 1 - no intersections; 2 - there were +// intersections, and the first and last segments should be rejoined. +function clipAntimeridianLine(stream) { + var lambda0 = NaN, + phi0 = NaN, + sign0 = NaN, + clean; // no intersections -function durationConstant(id, value) { - return value = +value, function() { - set$3(this, id).duration = value; + return { + lineStart: function() { + stream.lineStart(); + clean = 1; + }, + point: function(lambda1, phi1) { + var sign1 = lambda1 > 0 ? pi$3 : -pi$3, + delta = abs(lambda1 - lambda0); + if (abs(delta - pi$3) < epsilon$2) { // line crosses a pole + stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$2 : -halfPi$2); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + stream.point(lambda1, phi0); + clean = 0; + } else if (sign0 !== sign1 && delta >= pi$3) { // line crosses antimeridian + if (abs(lambda0 - sign0) < epsilon$2) lambda0 -= sign0 * epsilon$2; // handle degeneracies + if (abs(lambda1 - sign1) < epsilon$2) lambda1 -= sign1 * epsilon$2; + phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + clean = 0; + } + stream.point(lambda0 = lambda1, phi0 = phi1); + sign0 = sign1; + }, + lineEnd: function() { + stream.lineEnd(); + lambda0 = phi0 = NaN; + }, + clean: function() { + return 2 - clean; // if intersections, rejoin first and last segments + } }; } -var transition_duration = function(value) { - var id = this._id; - - return arguments.length - ? this.each((typeof value === "function" - ? durationFunction - : durationConstant)(id, value)) - : get$1(this.node(), id).duration; -}; - -function easeConstant(id, value) { - if (typeof value !== "function") throw new Error; - return function() { - set$3(this, id).ease = value; - }; +function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { + var cosPhi0, + cosPhi1, + sinLambda0Lambda1 = sin$1(lambda0 - lambda1); + return abs(sinLambda0Lambda1) > epsilon$2 + ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) + - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) + / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) + : (phi0 + phi1) / 2; } -var transition_ease = function(value) { - var id = this._id; - - return arguments.length - ? this.each(easeConstant(id, value)) - : get$1(this.node(), id).ease; -}; - -var transition_filter = function(match) { - if (typeof match !== "function") match = matcher$1(match); - - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { - if ((node = group[i]) && match.call(node, node.__data__, i, group)) { - subgroup.push(node); - } - } +function clipAntimeridianInterpolate(from, to, direction, stream) { + var phi; + if (from == null) { + phi = direction * halfPi$2; + stream.point(-pi$3, phi); + stream.point(0, phi); + stream.point(pi$3, phi); + stream.point(pi$3, 0); + stream.point(pi$3, -phi); + stream.point(0, -phi); + stream.point(-pi$3, -phi); + stream.point(-pi$3, 0); + stream.point(-pi$3, phi); + } else if (abs(from[0] - to[0]) > epsilon$2) { + var lambda = from[0] < to[0] ? pi$3 : -pi$3; + phi = direction * lambda / 2; + stream.point(-lambda, phi); + stream.point(0, phi); + stream.point(lambda, phi); + } else { + stream.point(to[0], to[1]); } +} - return new Transition(subgroups, this._parents, this._name, this._id); -}; - -var transition_merge = function(transition) { - if (transition._id !== this._id) throw new Error; +var clipCircle = function(radius, delta) { + var cr = cos$1(radius), + smallRadius = cr > 0, + notHemisphere = abs(cr) > epsilon$2; // TODO optimise for this common case - for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { - for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group0[i] || group1[i]) { - merge[i] = node; - } - } + function interpolate(from, to, direction, stream) { + circleStream(stream, radius, delta, direction, from, to); } - for (; j < m0; ++j) { - merges[j] = groups0[j]; + function visible(lambda, phi) { + return cos$1(lambda) * cos$1(phi) > cr; } - return new Transition(merges, this._parents, this._name, this._id); -}; - -function start$1(name) { - return (name + "").trim().split(/^|\s+/).every(function(t) { - var i = t.indexOf("."); - if (i >= 0) t = t.slice(0, i); - return !t || t === "start"; - }); -} - -function onFunction(id, name, listener) { - var on0, on1, sit = start$1(name) ? init : set$3; - return function() { - var schedule = sit(this, id), - on = schedule.on; - - // If this node shared a dispatch with the previous node, - // just assign the updated shared dispatch and we’re done! - // Otherwise, copy-on-write. - if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener); - - schedule.on = on1; - }; -} + // Takes a line and cuts into visible segments. Return values used for polygon + // clipping: 0 - there were intersections or the line was empty; 1 - no + // intersections 2 - there were intersections, and the first and last segments + // should be rejoined. + function clipLine(stream) { + var point0, // previous point + c0, // code for previous point + v0, // visibility of previous point + v00, // visibility of first point + clean; // no intersections + return { + lineStart: function() { + v00 = v0 = false; + clean = 1; + }, + point: function(lambda, phi) { + var point1 = [lambda, phi], + point2, + v = visible(lambda, phi), + c = smallRadius + ? v ? 0 : code(lambda, phi) + : v ? code(lambda + (lambda < 0 ? pi$3 : -pi$3), phi) : 0; + if (!point0 && (v00 = v0 = v)) stream.lineStart(); + // Handle degeneracies. + // TODO ignore if not clipping polygons. + if (v !== v0) { + point2 = intersect(point0, point1); + if (pointEqual(point0, point2) || pointEqual(point1, point2)) { + point1[0] += epsilon$2; + point1[1] += epsilon$2; + v = visible(point1[0], point1[1]); + } + } + if (v !== v0) { + clean = 0; + if (v) { + // outside going in + stream.lineStart(); + point2 = intersect(point1, point0); + stream.point(point2[0], point2[1]); + } else { + // inside going out + point2 = intersect(point0, point1); + stream.point(point2[0], point2[1]); + stream.lineEnd(); + } + point0 = point2; + } else if (notHemisphere && point0 && smallRadius ^ v) { + var t; + // If the codes for two points are different, or are both zero, + // and there this segment intersects with the small circle. + if (!(c & c0) && (t = intersect(point1, point0, true))) { + clean = 0; + if (smallRadius) { + stream.lineStart(); + stream.point(t[0][0], t[0][1]); + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); + } else { + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); + stream.lineStart(); + stream.point(t[0][0], t[0][1]); + } + } + } + if (v && (!point0 || !pointEqual(point0, point1))) { + stream.point(point1[0], point1[1]); + } + point0 = point1, v0 = v, c0 = c; + }, + lineEnd: function() { + if (v0) stream.lineEnd(); + point0 = null; + }, + // Rejoin first and last segments if there were intersections and the first + // and last points were visible. + clean: function() { + return clean | ((v00 && v0) << 1); + } + }; + } -var transition_on = function(name, listener) { - var id = this._id; + // Intersects the great circle between a and b with the clip circle. + function intersect(a, b, two) { + var pa = cartesian(a), + pb = cartesian(b); - return arguments.length < 2 - ? get$1(this.node(), id).on.on(name) - : this.each(onFunction(id, name, listener)); -}; + // We have two planes, n1.p = d1 and n2.p = d2. + // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). + var n1 = [1, 0, 0], // normal + n2 = cartesianCross(pa, pb), + n2n2 = cartesianDot(n2, n2), + n1n2 = n2[0], // cartesianDot(n1, n2), + determinant = n2n2 - n1n2 * n1n2; -function removeFunction(id) { - return function() { - var parent = this.parentNode; - for (var i in this.__transition) if (+i !== id) return; - if (parent) parent.removeChild(this); - }; -} + // Two polar points. + if (!determinant) return !two && a; -var transition_remove = function() { - return this.on("end.remove", removeFunction(this._id)); -}; + var c1 = cr * n2n2 / determinant, + c2 = -cr * n1n2 / determinant, + n1xn2 = cartesianCross(n1, n2), + A = cartesianScale(n1, c1), + B = cartesianScale(n2, c2); + cartesianAddInPlace(A, B); -var transition_select = function(select$$1) { - var name = this._name, - id = this._id; + // Solve |p(t)|^2 = 1. + var u = n1xn2, + w = cartesianDot(A, u), + uu = cartesianDot(u, u), + t2 = w * w - uu * (cartesianDot(A, A) - 1); - if (typeof select$$1 !== "function") select$$1 = selector(select$$1); + if (t2 < 0) return; - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select$$1.call(node, node.__data__, i, group))) { - if ("__data__" in node) subnode.__data__ = node.__data__; - subgroup[i] = subnode; - schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); - } - } - } + var t = sqrt(t2), + q = cartesianScale(u, (-w - t) / uu); + cartesianAddInPlace(q, A); + q = spherical(q); - return new Transition(subgroups, this._parents, name, id); -}; + if (!two) return q; -var transition_selectAll = function(select$$1) { - var name = this._name, - id = this._id; + // Two intersection points. + var lambda0 = a[0], + lambda1 = b[0], + phi0 = a[1], + phi1 = b[1], + z; - if (typeof select$$1 !== "function") select$$1 = selectorAll(select$$1); + if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; - for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - for (var children = select$$1.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { - if (child = children[k]) { - schedule(child, name, id, k, children, inherit); - } - } - subgroups.push(children); - parents.push(node); - } + var delta = lambda1 - lambda0, + polar = abs(delta - pi$3) < epsilon$2, + meridian = polar || delta < epsilon$2; + + if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; + + // Check that the first point is between a and b. + if (meridian + ? polar + ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$2 ? phi0 : phi1) + : phi0 <= q[1] && q[1] <= phi1 + : delta > pi$3 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { + var q1 = cartesianScale(u, (-w + t) / uu); + cartesianAddInPlace(q1, A); + return [q, spherical(q1)]; } } - return new Transition(subgroups, parents, name, id); -}; - -var Selection$1 = selection.prototype.constructor; + // Generates a 4-bit vector representing the location of a point relative to + // the small circle's bounding box. + function code(lambda, phi) { + var r = smallRadius ? radius : pi$3 - radius, + code = 0; + if (lambda < -r) code |= 1; // left + else if (lambda > r) code |= 2; // right + if (phi < -r) code |= 4; // below + else if (phi > r) code |= 8; // above + return code; + } -var transition_selection = function() { - return new Selection$1(this._groups, this._parents); + return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$3, radius - pi$3]); }; -function styleRemove$1(name, interpolate$$1) { - var value00, - value10, - interpolate0; - return function() { - var style = window(this).getComputedStyle(this, null), - value0 = style.getPropertyValue(name), - value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); - }; -} - -function styleRemoveEnd(name) { - return function() { - this.style.removeProperty(name); +var transform = function(methods) { + return { + stream: transformer(methods) }; -} +}; -function styleConstant$1(name, interpolate$$1, value1) { - var value00, - interpolate0; - return function() { - var value0 = window(this).getComputedStyle(this, null).getPropertyValue(name); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value1); +function transformer(methods) { + return function(stream) { + var s = new TransformStream; + for (var key in methods) s[key] = methods[key]; + s.stream = stream; + return s; }; } -function styleFunction$1(name, interpolate$$1, value) { - var value00, - value10, - interpolate0; - return function() { - var style = window(this).getComputedStyle(this, null), - value0 = style.getPropertyValue(name), - value1 = value(this); - if (value1 == null) value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); - }; -} +function TransformStream() {} -var transition_style = function(name, value, priority) { - var i = (name += "") === "transform" ? interpolateTransformCss : interpolate$1; - return value == null ? this - .styleTween(name, styleRemove$1(name, i)) - .on("end.style." + name, styleRemoveEnd(name)) - : this.styleTween(name, typeof value === "function" - ? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) - : styleConstant$1(name, i, value), priority); +TransformStream.prototype = { + constructor: TransformStream, + point: function(x, y) { this.stream.point(x, y); }, + sphere: function() { this.stream.sphere(); }, + lineStart: function() { this.stream.lineStart(); }, + lineEnd: function() { this.stream.lineEnd(); }, + polygonStart: function() { this.stream.polygonStart(); }, + polygonEnd: function() { this.stream.polygonEnd(); } }; -function styleTween(name, value, priority) { - function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.style.setProperty(name, i(t), priority); - }; - } - tween._value = value; - return tween; -} +function fitExtent(projection, extent, object) { + var w = extent[1][0] - extent[0][0], + h = extent[1][1] - extent[0][1], + clip = projection.clipExtent && projection.clipExtent(); -var transition_styleTween = function(name, value, priority) { - var key = "style." + (name += ""); - if (arguments.length < 2) return (key = this.tween(key)) && key._value; - if (value == null) return this.tween(key, null); - if (typeof value !== "function") throw new Error; - return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); -}; + projection + .scale(150) + .translate([0, 0]); -function textConstant$1(value) { - return function() { - this.textContent = value; - }; + if (clip != null) projection.clipExtent(null); + + geoStream(object, projection.stream(boundsStream$1)); + + var b = boundsStream$1.result(), + k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), + x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, + y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; + + if (clip != null) projection.clipExtent(clip); + + return projection + .scale(k * 150) + .translate([x, y]); } -function textFunction$1(value) { - return function() { - var value1 = value(this); - this.textContent = value1 == null ? "" : value1; - }; +function fitSize(projection, size, object) { + return fitExtent(projection, [[0, 0], size], object); } -var transition_text = function(value) { - return this.tween("text", typeof value === "function" - ? textFunction$1(tweenValue(this, "text", value)) - : textConstant$1(value == null ? "" : value + "")); +var maxDepth = 16; +var cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) + +var resample = function(project, delta2) { + return +delta2 ? resample$1(project, delta2) : resampleNone(project); }; -var transition_transition = function() { - var name = this._name, - id0 = this._id, - id1 = newId(); +function resampleNone(project) { + return transformer({ + point: function(x, y) { + x = project(x, y); + this.stream.point(x[0], x[1]); + } + }); +} - for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - var inherit = get$1(node, id0); - schedule(node, name, id1, i, group, { - time: inherit.time + inherit.delay + inherit.duration, - delay: 0, - duration: inherit.duration, - ease: inherit.ease - }); +function resample$1(project, delta2) { + + function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) { + var dx = x1 - x0, + dy = y1 - y0, + d2 = dx * dx + dy * dy; + if (d2 > 4 * delta2 && depth--) { + var a = a0 + a1, + b = b0 + b1, + c = c0 + c1, + m = sqrt(a * a + b * b + c * c), + phi2 = asin(c /= m), + lambda2 = abs(abs(c) - 1) < epsilon$2 || abs(lambda0 - lambda1) < epsilon$2 ? (lambda0 + lambda1) / 2 : atan2(b, a), + p = project(lambda2, phi2), + x2 = p[0], + y2 = p[1], + dx2 = x2 - x0, + dy2 = y2 - y0, + dz = dy * dx2 - dx * dy2; + if (dz * dz / d2 > delta2 // perpendicular projected distance + || abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end + || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream); + stream.point(x2, y2); + resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream); } } } + return function(stream) { + var lambda00, x00, y00, a00, b00, c00, // first point + lambda0, x0, y0, a0, b0, c0; // previous point - return new Transition(groups, this._parents, name, id1); -}; - -var id = 0; - -function Transition(groups, parents, name, id) { - this._groups = groups; - this._parents = parents; - this._name = name; - this._id = id; -} - -function transition(name) { - return selection().transition(name); -} + var resampleStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; }, + polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; } + }; -function newId() { - return ++id; -} + function point(x, y) { + x = project(x, y); + stream.point(x[0], x[1]); + } -var selection_prototype = selection.prototype; + function lineStart() { + x0 = NaN; + resampleStream.point = linePoint; + stream.lineStart(); + } -Transition.prototype = transition.prototype = { - constructor: Transition, - select: transition_select, - selectAll: transition_selectAll, - filter: transition_filter, - merge: transition_merge, - selection: transition_selection, - transition: transition_transition, - call: selection_prototype.call, - nodes: selection_prototype.nodes, - node: selection_prototype.node, - size: selection_prototype.size, - empty: selection_prototype.empty, - each: selection_prototype.each, - on: transition_on, - attr: transition_attr, - attrTween: transition_attrTween, - style: transition_style, - styleTween: transition_styleTween, - text: transition_text, - remove: transition_remove, - tween: transition_tween, - delay: transition_delay, - duration: transition_duration, - ease: transition_ease -}; + function linePoint(lambda, phi) { + var c = cartesian([lambda, phi]), p = project(lambda, phi); + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); + stream.point(x0, y0); + } -var defaultTiming = { - time: null, // Set on use. - delay: 0, - duration: 250, - ease: cubicInOut -}; + function lineEnd() { + resampleStream.point = point; + stream.lineEnd(); + } -function inherit(node, id) { - var timing; - while (!(timing = node.__transition) || !(timing = timing[id])) { - if (!(node = node.parentNode)) { - return defaultTiming.time = now(), defaultTiming; + function ringStart() { + lineStart(); + resampleStream.point = ringPoint; + resampleStream.lineEnd = ringEnd; + } + + function ringPoint(lambda, phi) { + linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; + resampleStream.point = linePoint; + } + + function ringEnd() { + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream); + resampleStream.lineEnd = lineEnd; + lineEnd(); } + + return resampleStream; + }; +} + +var transformRadians = transformer({ + point: function(x, y) { + this.stream.point(x * radians, y * radians); } - return timing; +}); + +function projection(project) { + return projectionMutator(function() { return project; })(); } -var selection_transition = function(name) { - var id, - timing; +function projectionMutator(projectAt) { + var project, + k = 150, // scale + x = 480, y = 250, // translate + dx, dy, lambda = 0, phi = 0, // center + deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, projectRotate, // rotate + theta = null, preclip = clipAntimeridian, // clip angle + x0 = null, y0, x1, y1, postclip = identity$4, // clip extent + delta2 = 0.5, projectResample = resample(projectTransform, delta2), // precision + cache, + cacheStream; - if (name instanceof Transition) { - id = name._id, name = name._name; - } else { - id = newId(), (timing = defaultTiming).time = now(), name = name == null ? null : name + ""; + function projection(point) { + point = projectRotate(point[0] * radians, point[1] * radians); + return [point[0] * k + dx, dy - point[1] * k]; } - for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - schedule(node, name, id, i, group, timing || inherit(node, id)); - } - } + function invert(point) { + point = projectRotate.invert((point[0] - dx) / k, (dy - point[1]) / k); + return point && [point[0] * degrees$1, point[1] * degrees$1]; } - return new Transition(groups, this._parents, name, id); -}; + function projectTransform(x, y) { + return x = project(x, y), [x[0] * k + dx, dy - x[1] * k]; + } -selection.prototype.interrupt = selection_interrupt; -selection.prototype.transition = selection_transition; + projection.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = transformRadians(preclip(rotate, projectResample(postclip(cacheStream = stream)))); + }; -var root$1 = [null]; + projection.clipAngle = function(_) { + return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians, 6 * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1; + }; -var active = function(node, name) { - var schedules = node.__transition, - schedule, - i; + projection.clipExtent = function(_) { + return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + }; - if (schedules) { - name = name == null ? null : name + ""; - for (i in schedules) { - if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { - return new Transition([[node]], root$1, name, +i); - } - } - } + projection.scale = function(_) { + return arguments.length ? (k = +_, recenter()) : k; + }; - return null; -}; + projection.translate = function(_) { + return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y]; + }; -var slice$4 = Array.prototype.slice; + projection.center = function(_) { + return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees$1, phi * degrees$1]; + }; -var identity$5 = function(x) { - return x; -}; + projection.rotate = function(_) { + return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees$1, deltaPhi * degrees$1, deltaGamma * degrees$1]; + }; -var top = 1; -var right = 2; -var bottom = 3; -var left = 4; -var epsilon$2 = 1e-6; + projection.precision = function(_) { + return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt(delta2); + }; -function translateX(scale0, scale1, d) { - var x = scale0(d); - return "translate(" + (isFinite(x) ? x : scale1(d)) + ",0)"; -} + projection.fitExtent = function(extent, object) { + return fitExtent(projection, extent, object); + }; -function translateY(scale0, scale1, d) { - var y = scale0(d); - return "translate(0," + (isFinite(y) ? y : scale1(d)) + ")"; -} + projection.fitSize = function(size, object) { + return fitSize(projection, size, object); + }; -function center(scale) { - var offset = scale.bandwidth() / 2; - if (scale.round()) offset = Math.round(offset); - return function(d) { - return scale(d) + offset; + function recenter() { + projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); + var center = project(lambda, phi); + dx = x - center[0] * k; + dy = y + center[1] * k; + return reset(); + } + + function reset() { + cache = cacheStream = null; + return projection; + } + + return function() { + project = projectAt.apply(this, arguments); + projection.invert = project.invert && invert; + return recenter(); }; } -function entering() { - return !this.__axis; -} +function conicProjection(projectAt) { + var phi0 = 0, + phi1 = pi$3 / 3, + m = projectionMutator(projectAt), + p = m(phi0, phi1); -function axis(orient, scale) { - var tickArguments = [], - tickValues = null, - tickFormat = null, - tickSizeInner = 6, - tickSizeOuter = 6, - tickPadding = 3; + p.parallels = function(_) { + return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees$1, phi1 * degrees$1]; + }; - function axis(context) { - var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues, - format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$5) : tickFormat, - spacing = Math.max(tickSizeInner, 0) + tickPadding, - transform = orient === top || orient === bottom ? translateX : translateY, - range = scale.range(), - range0 = range[0] + 0.5, - range1 = range[range.length - 1] + 0.5, - position = (scale.bandwidth ? center : identity$5)(scale.copy()), - selection = context.selection ? context.selection() : context, - path = selection.selectAll(".domain").data([null]), - tick = selection.selectAll(".tick").data(values, scale).order(), - tickExit = tick.exit(), - tickEnter = tick.enter().append("g").attr("class", "tick"), - line = tick.select("line"), - text = tick.select("text"), - k = orient === top || orient === left ? -1 : 1, - x, y = orient === left || orient === right ? (x = "x", "y") : (x = "y", "x"); + return p; +} - path = path.merge(path.enter().insert("path", ".tick") - .attr("class", "domain") - .attr("stroke", "#000")); +function cylindricalEqualAreaRaw(phi0) { + var cosPhi0 = cos$1(phi0); - tick = tick.merge(tickEnter); + function forward(lambda, phi) { + return [lambda * cosPhi0, sin$1(phi) / cosPhi0]; + } - line = line.merge(tickEnter.append("line") - .attr("stroke", "#000") - .attr(x + "2", k * tickSizeInner) - .attr(y + "1", 0.5) - .attr(y + "2", 0.5)); + forward.invert = function(x, y) { + return [x / cosPhi0, asin(y * cosPhi0)]; + }; - text = text.merge(tickEnter.append("text") - .attr("fill", "#000") - .attr(x, k * spacing) - .attr(y, 0.5) - .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); + return forward; +} - if (context !== selection) { - path = path.transition(context); - tick = tick.transition(context); - line = line.transition(context); - text = text.transition(context); +function conicEqualAreaRaw(y0, y1) { + var sy0 = sin$1(y0), n = (sy0 + sin$1(y1)) / 2; - tickExit = tickExit.transition(context) - .attr("opacity", epsilon$2) - .attr("transform", function(d) { return transform(position, this.parentNode.__axis || position, d); }); + // Are the parallels symmetrical around the Equator? + if (abs(n) < epsilon$2) return cylindricalEqualAreaRaw(y0); - tickEnter - .attr("opacity", epsilon$2) - .attr("transform", function(d) { return transform(this.parentNode.__axis || position, position, d); }); - } + var c = 1 + sy0 * (2 * n - sy0), r0 = sqrt(c) / n; - tickExit.remove(); + function project(x, y) { + var r = sqrt(c - 2 * n * sin$1(y)) / n; + return [r * sin$1(x *= n), r0 - r * cos$1(x)]; + } - path - .attr("d", orient === left || orient == right - ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter - : "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter); + project.invert = function(x, y) { + var r0y = r0 - y; + return [atan2(x, abs(r0y)) / n * sign(r0y), asin((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; + }; - tick - .attr("opacity", 1) - .attr("transform", function(d) { return transform(position, position, d); }); + return project; +} - line - .attr(x + "2", k * tickSizeInner); +var conicEqualArea = function() { + return conicProjection(conicEqualAreaRaw) + .scale(155.424) + .center([0, 33.6442]); +}; - text - .attr(x, k * spacing) - .text(format); +var albers = function() { + return conicEqualArea() + .parallels([29.5, 45.5]) + .scale(1070) + .translate([480, 250]) + .rotate([96, 0]) + .center([-0.6, 38.7]); +}; + +// The projections must have mutually exclusive clip regions on the sphere, +// as this will avoid emitting interleaving lines and polygons. +function multiplex(streams) { + var n = streams.length; + return { + point: function(x, y) { var i = -1; while (++i < n) streams[i].point(x, y); }, + sphere: function() { var i = -1; while (++i < n) streams[i].sphere(); }, + lineStart: function() { var i = -1; while (++i < n) streams[i].lineStart(); }, + lineEnd: function() { var i = -1; while (++i < n) streams[i].lineEnd(); }, + polygonStart: function() { var i = -1; while (++i < n) streams[i].polygonStart(); }, + polygonEnd: function() { var i = -1; while (++i < n) streams[i].polygonEnd(); } + }; +} - selection.filter(entering) - .attr("fill", "none") - .attr("font-size", 10) - .attr("font-family", "sans-serif") - .attr("text-anchor", orient === right ? "start" : orient === left ? "end" : "middle"); +// A composite projection for the United States, configured by default for +// 960×500. The projection also works quite well at 960×600 if you change the +// scale to 1285 and adjust the translate accordingly. The set of standard +// parallels for each region comes from USGS, which is published here: +// http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers +var albersUsa = function() { + var cache, + cacheStream, + lower48 = albers(), lower48Point, + alaska = conicEqualArea().rotate([154, 0]).center([-2, 58.5]).parallels([55, 65]), alaskaPoint, // EPSG:3338 + hawaii = conicEqualArea().rotate([157, 0]).center([-3, 19.9]).parallels([8, 18]), hawaiiPoint, // ESRI:102007 + point, pointStream = {point: function(x, y) { point = [x, y]; }}; - selection - .each(function() { this.__axis = position; }); + function albersUsa(coordinates) { + var x = coordinates[0], y = coordinates[1]; + return point = null, + (lower48Point.point(x, y), point) + || (alaskaPoint.point(x, y), point) + || (hawaiiPoint.point(x, y), point); } - axis.scale = function(_) { - return arguments.length ? (scale = _, axis) : scale; + albersUsa.invert = function(coordinates) { + var k = lower48.scale(), + t = lower48.translate(), + x = (coordinates[0] - t[0]) / k, + y = (coordinates[1] - t[1]) / k; + return (y >= 0.120 && y < 0.234 && x >= -0.425 && x < -0.214 ? alaska + : y >= 0.166 && y < 0.234 && x >= -0.214 && x < -0.115 ? hawaii + : lower48).invert(coordinates); }; - axis.ticks = function() { - return tickArguments = slice$4.call(arguments), axis; + albersUsa.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = multiplex([lower48.stream(cacheStream = stream), alaska.stream(stream), hawaii.stream(stream)]); }; - axis.tickArguments = function(_) { - return arguments.length ? (tickArguments = _ == null ? [] : slice$4.call(_), axis) : tickArguments.slice(); + albersUsa.precision = function(_) { + if (!arguments.length) return lower48.precision(); + lower48.precision(_), alaska.precision(_), hawaii.precision(_); + return reset(); }; - axis.tickValues = function(_) { - return arguments.length ? (tickValues = _ == null ? null : slice$4.call(_), axis) : tickValues && tickValues.slice(); + albersUsa.scale = function(_) { + if (!arguments.length) return lower48.scale(); + lower48.scale(_), alaska.scale(_ * 0.35), hawaii.scale(_); + return albersUsa.translate(lower48.translate()); }; - axis.tickFormat = function(_) { - return arguments.length ? (tickFormat = _, axis) : tickFormat; - }; + albersUsa.translate = function(_) { + if (!arguments.length) return lower48.translate(); + var k = lower48.scale(), x = +_[0], y = +_[1]; - axis.tickSize = function(_) { - return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner; - }; + lower48Point = lower48 + .translate(_) + .clipExtent([[x - 0.455 * k, y - 0.238 * k], [x + 0.455 * k, y + 0.238 * k]]) + .stream(pointStream); - axis.tickSizeInner = function(_) { - return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner; - }; + alaskaPoint = alaska + .translate([x - 0.307 * k, y + 0.201 * k]) + .clipExtent([[x - 0.425 * k + epsilon$2, y + 0.120 * k + epsilon$2], [x - 0.214 * k - epsilon$2, y + 0.234 * k - epsilon$2]]) + .stream(pointStream); - axis.tickSizeOuter = function(_) { - return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter; + hawaiiPoint = hawaii + .translate([x - 0.205 * k, y + 0.212 * k]) + .clipExtent([[x - 0.214 * k + epsilon$2, y + 0.166 * k + epsilon$2], [x - 0.115 * k - epsilon$2, y + 0.234 * k - epsilon$2]]) + .stream(pointStream); + + return reset(); }; - axis.tickPadding = function(_) { - return arguments.length ? (tickPadding = +_, axis) : tickPadding; + albersUsa.fitExtent = function(extent, object) { + return fitExtent(albersUsa, extent, object); }; - return axis; -} + albersUsa.fitSize = function(size, object) { + return fitSize(albersUsa, size, object); + }; -function axisTop(scale) { - return axis(top, scale); -} + function reset() { + cache = cacheStream = null; + return albersUsa; + } -function axisRight(scale) { - return axis(right, scale); -} + return albersUsa.scale(1070); +}; -function axisBottom(scale) { - return axis(bottom, scale); +function azimuthalRaw(scale) { + return function(x, y) { + var cx = cos$1(x), + cy = cos$1(y), + k = scale(cx * cy); + return [ + k * cy * sin$1(x), + k * sin$1(y) + ]; + } } -function axisLeft(scale) { - return axis(left, scale); +function azimuthalInvert(angle) { + return function(x, y) { + var z = sqrt(x * x + y * y), + c = angle(z), + sc = sin$1(c), + cc = cos$1(c); + return [ + atan2(x * sc, z * cc), + asin(z && y * sc / z) + ]; + } } -function defaultSeparation(a, b) { - return a.parent === b.parent ? 1 : 2; -} +var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) { + return sqrt(2 / (1 + cxcy)); +}); -function meanX(children) { - return children.reduce(meanXReduce, 0) / children.length; -} +azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) { + return 2 * asin(z / 2); +}); -function meanXReduce(x, c) { - return x + c.x; -} +var azimuthalEqualArea = function() { + return projection(azimuthalEqualAreaRaw) + .scale(124.75) + .clipAngle(180 - 1e-3); +}; -function maxY(children) { - return 1 + children.reduce(maxYReduce, 0); -} +var azimuthalEquidistantRaw = azimuthalRaw(function(c) { + return (c = acos(c)) && c / sin$1(c); +}); -function maxYReduce(y, c) { - return Math.max(y, c.y); -} +azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) { + return z; +}); -function leafLeft(node) { - var children; - while (children = node.children) node = children[0]; - return node; -} +var azimuthalEquidistant = function() { + return projection(azimuthalEquidistantRaw) + .scale(79.4188) + .clipAngle(180 - 1e-3); +}; -function leafRight(node) { - var children; - while (children = node.children) node = children[children.length - 1]; - return node; +function mercatorRaw(lambda, phi) { + return [lambda, log(tan((halfPi$2 + phi) / 2))]; } -var cluster = function() { - var separation = defaultSeparation, - dx = 1, - dy = 1, - nodeSize = false; - - function cluster(root) { - var previousNode, - x = 0; +mercatorRaw.invert = function(x, y) { + return [x, 2 * atan(exp(y)) - halfPi$2]; +}; - // First walk, computing the initial x & y values. - root.eachAfter(function(node) { - var children = node.children; - if (children) { - node.x = meanX(children); - node.y = maxY(children); - } else { - node.x = previousNode ? x += separation(node, previousNode) : 0; - node.y = 0; - previousNode = node; - } - }); +var mercator = function() { + return mercatorProjection(mercatorRaw) + .scale(961 / tau$3); +}; - var left = leafLeft(root), - right = leafRight(root), - x0 = left.x - separation(left, right) / 2, - x1 = right.x + separation(right, left) / 2; +function mercatorProjection(project) { + var m = projection(project), + scale = m.scale, + translate = m.translate, + clipExtent = m.clipExtent, + clipAuto; - // Second walk, normalizing x & y to the desired size. - return root.eachAfter(nodeSize ? function(node) { - node.x = (node.x - root.x) * dx; - node.y = (root.y - node.y) * dy; - } : function(node) { - node.x = (node.x - x0) / (x1 - x0) * dx; - node.y = (1 - (root.y ? node.y / root.y : 1)) * dy; - }); - } + m.scale = function(_) { + return arguments.length ? (scale(_), clipAuto && m.clipExtent(null), m) : scale(); + }; - cluster.separation = function(x) { - return arguments.length ? (separation = x, cluster) : separation; + m.translate = function(_) { + return arguments.length ? (translate(_), clipAuto && m.clipExtent(null), m) : translate(); }; - cluster.size = function(x) { - return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? null : [dx, dy]); + m.clipExtent = function(_) { + if (!arguments.length) return clipAuto ? null : clipExtent(); + if (clipAuto = _ == null) { + var k = pi$3 * scale(), + t = translate(); + _ = [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]]; + } + clipExtent(_); + return m; }; - cluster.nodeSize = function(x) { - return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? [dx, dy] : null); + return m.clipExtent(null); +} + +function tany(y) { + return tan((halfPi$2 + y) / 2); +} + +function conicConformalRaw(y0, y1) { + var cy0 = cos$1(y0), + n = y0 === y1 ? sin$1(y0) : log(cy0 / cos$1(y1)) / log(tany(y1) / tany(y0)), + f = cy0 * pow(tany(y0), n) / n; + + if (!n) return mercatorRaw; + + function project(x, y) { + if (f > 0) { if (y < -halfPi$2 + epsilon$2) y = -halfPi$2 + epsilon$2; } + else { if (y > halfPi$2 - epsilon$2) y = halfPi$2 - epsilon$2; } + var r = f / pow(tany(y), n); + return [r * sin$1(n * x), f - r * cos$1(n * x)]; + } + + project.invert = function(x, y) { + var fy = f - y, r = sign(n) * sqrt(x * x + fy * fy); + return [atan2(x, abs(fy)) / n * sign(fy), 2 * atan(pow(f / r, 1 / n)) - halfPi$2]; }; - return cluster; + return project; +} + +var conicConformal = function() { + return conicProjection(conicConformalRaw) + .scale(109.5) + .parallels([30, 30]); }; -var node_each = function(callback) { - var node = this, current, next = [node], children, i, n; - do { - current = next.reverse(), next = []; - while (node = current.pop()) { - callback(node), children = node.children; - if (children) for (i = 0, n = children.length; i < n; ++i) { - next.push(children[i]); - } - } - } while (next.length); - return this; -}; +function equirectangularRaw(lambda, phi) { + return [lambda, phi]; +} -var node_eachBefore = function(callback) { - var node = this, nodes = [node], children, i; - while (node = nodes.pop()) { - callback(node), children = node.children; - if (children) for (i = children.length - 1; i >= 0; --i) { - nodes.push(children[i]); - } - } - return this; -}; +equirectangularRaw.invert = equirectangularRaw; -var node_eachAfter = function(callback) { - var node = this, nodes = [node], next = [], children, i, n; - while (node = nodes.pop()) { - next.push(node), children = node.children; - if (children) for (i = 0, n = children.length; i < n; ++i) { - nodes.push(children[i]); - } - } - while (node = next.pop()) { - callback(node); - } - return this; +var equirectangular = function() { + return projection(equirectangularRaw) + .scale(152.63); }; -var node_sum = function(value) { - return this.eachAfter(function(node) { - var sum = +value(node.data) || 0, - children = node.children, - i = children && children.length; - while (--i >= 0) sum += children[i].value; - node.value = sum; - }); -}; +function conicEquidistantRaw(y0, y1) { + var cy0 = cos$1(y0), + n = y0 === y1 ? sin$1(y0) : (cy0 - cos$1(y1)) / (y1 - y0), + g = cy0 / n + y0; -var node_sort = function(compare) { - return this.eachBefore(function(node) { - if (node.children) { - node.children.sort(compare); - } - }); -}; + if (abs(n) < epsilon$2) return equirectangularRaw; -var node_path = function(end) { - var start = this, - ancestor = leastCommonAncestor(start, end), - nodes = [start]; - while (start !== ancestor) { - start = start.parent; - nodes.push(start); - } - var k = nodes.length; - while (end !== ancestor) { - nodes.splice(k, 0, end); - end = end.parent; + function project(x, y) { + var gy = g - y, nx = n * x; + return [gy * sin$1(nx), g - gy * cos$1(nx)]; } - return nodes; -}; -function leastCommonAncestor(a, b) { - if (a === b) return a; - var aNodes = a.ancestors(), - bNodes = b.ancestors(), - c = null; - a = aNodes.pop(); - b = bNodes.pop(); - while (a === b) { - c = a; - a = aNodes.pop(); - b = bNodes.pop(); - } - return c; + project.invert = function(x, y) { + var gy = g - y; + return [atan2(x, abs(gy)) / n * sign(gy), g - sign(n) * sqrt(x * x + gy * gy)]; + }; + + return project; } -var node_ancestors = function() { - var node = this, nodes = [node]; - while (node = node.parent) { - nodes.push(node); - } - return nodes; +var conicEquidistant = function() { + return conicProjection(conicEquidistantRaw) + .scale(131.154) + .center([0, 13.9389]); }; -var node_descendants = function() { - var nodes = []; - this.each(function(node) { - nodes.push(node); - }); - return nodes; -}; +function gnomonicRaw(x, y) { + var cy = cos$1(y), k = cos$1(x) * cy; + return [cy * sin$1(x) / k, sin$1(y) / k]; +} -var node_leaves = function() { - var leaves = []; - this.eachBefore(function(node) { - if (!node.children) { - leaves.push(node); - } - }); - return leaves; +gnomonicRaw.invert = azimuthalInvert(atan); + +var gnomonic = function() { + return projection(gnomonicRaw) + .scale(144.049) + .clipAngle(60); }; -var node_links = function() { - var root = this, links = []; - root.each(function(node) { - if (node !== root) { // Don’t include the root’s parent, if any. - links.push({source: node.parent, target: node}); +function scaleTranslate(kx, ky, tx, ty) { + return kx === 1 && ky === 1 && tx === 0 && ty === 0 ? identity$4 : transformer({ + point: function(x, y) { + this.stream.point(x * kx + tx, y * ky + ty); } }); - return links; -}; - -function hierarchy(data, children) { - var root = new Node(data), - valued = +data.value && (root.value = data.value), - node, - nodes = [root], - child, - childs, - i, - n; +} - if (children == null) children = defaultChildren; +var identity$5 = function() { + var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, transform = identity$4, // scale, translate and reflect + x0 = null, y0, x1, y1, clip = identity$4, // clip extent + cache, + cacheStream, + projection; - while (node = nodes.pop()) { - if (valued) node.value = +node.data.value; - if ((childs = children(node.data)) && (n = childs.length)) { - node.children = new Array(n); - for (i = n - 1; i >= 0; --i) { - nodes.push(child = node.children[i] = new Node(childs[i])); - child.parent = node; - child.depth = node.depth + 1; - } - } + function reset() { + cache = cacheStream = null; + return projection; } - return root.eachBefore(computeHeight); -} + return projection = { + stream: function(stream) { + return cache && cacheStream === stream ? cache : cache = transform(clip(cacheStream = stream)); + }, + clipExtent: function(_) { + return arguments.length ? (clip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + }, + scale: function(_) { + return arguments.length ? (transform = scaleTranslate((k = +_) * sx, k * sy, tx, ty), reset()) : k; + }, + translate: function(_) { + return arguments.length ? (transform = scaleTranslate(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; + }, + reflectX: function(_) { + return arguments.length ? (transform = scaleTranslate(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0; + }, + reflectY: function(_) { + return arguments.length ? (transform = scaleTranslate(k * sx, k * (sy = _ ? -1 : 1), tx, ty), reset()) : sy < 0; + }, + fitExtent: function(extent, object) { + return fitExtent(projection, extent, object); + }, + fitSize: function(size, object) { + return fitSize(projection, size, object); + } + }; +}; -function node_copy() { - return hierarchy(this).eachBefore(copyData); +function orthographicRaw(x, y) { + return [cos$1(y) * sin$1(x), sin$1(y)]; } -function defaultChildren(d) { - return d.children; -} +orthographicRaw.invert = azimuthalInvert(asin); -function copyData(node) { - node.data = node.data.data; -} +var orthographic = function() { + return projection(orthographicRaw) + .scale(249.5) + .clipAngle(90 + epsilon$2); +}; -function computeHeight(node) { - var height = 0; - do node.height = height; - while ((node = node.parent) && (node.height < ++height)); +function stereographicRaw(x, y) { + var cy = cos$1(y), k = 1 + cos$1(x) * cy; + return [cy * sin$1(x) / k, sin$1(y) / k]; } -function Node(data) { - this.data = data; - this.depth = - this.height = 0; - this.parent = null; -} +stereographicRaw.invert = azimuthalInvert(function(z) { + return 2 * atan(z); +}); -Node.prototype = hierarchy.prototype = { - constructor: Node, - each: node_each, - eachAfter: node_eachAfter, - eachBefore: node_eachBefore, - sum: node_sum, - sort: node_sort, - path: node_path, - ancestors: node_ancestors, - descendants: node_descendants, - leaves: node_leaves, - links: node_links, - copy: node_copy +var stereographic = function() { + return projection(stereographicRaw) + .scale(250) + .clipAngle(142); }; - -function Node$2(value) { - this._ = value; - this.next = null; + +function transverseMercatorRaw(lambda, phi) { + return [log(tan((halfPi$2 + phi) / 2)), -lambda]; } -var shuffle$1 = function(array) { - var i, - n = (array = array.slice()).length, - head = null, - node = head; +transverseMercatorRaw.invert = function(x, y) { + return [-y, 2 * atan(exp(x)) - halfPi$2]; +}; - while (n) { - var next = new Node$2(array[n - 1]); - if (node) node = node.next = next; - else node = head = next; - array[i] = array[--n]; - } +var transverseMercator = function() { + var m = mercatorProjection(transverseMercatorRaw), + center = m.center, + rotate = m.rotate; - return { - head: head, - tail: node + m.center = function(_) { + return arguments.length ? center([-_[1], _[0]]) : (_ = center(), [_[1], -_[0]]); }; -}; -var enclose = function(circles) { - return encloseN(shuffle$1(circles), []); + m.rotate = function(_) { + return arguments.length ? rotate([_[0], _[1], _.length > 2 ? _[2] + 90 : 90]) : (_ = rotate(), [_[0], _[1], _[2] - 90]); + }; + + return rotate([0, 0, 90]) + .scale(159.155); }; -function encloses(a, b) { - var dx = b.x - a.x, - dy = b.y - a.y, - dr = a.r - b.r; - return dr * dr + 1e-6 > dx * dx + dy * dy; +function defaultSeparation(a, b) { + return a.parent === b.parent ? 1 : 2; } -// Returns the smallest circle that contains circles L and intersects circles B. -function encloseN(L, B) { - var circle, - l0 = null, - l1 = L.head, - l2, - p1; +function meanX(children) { + return children.reduce(meanXReduce, 0) / children.length; +} - switch (B.length) { - case 1: circle = enclose1(B[0]); break; - case 2: circle = enclose2(B[0], B[1]); break; - case 3: circle = enclose3(B[0], B[1], B[2]); break; - } +function meanXReduce(x, c) { + return x + c.x; +} - while (l1) { - p1 = l1._, l2 = l1.next; - if (!circle || !encloses(circle, p1)) { +function maxY(children) { + return 1 + children.reduce(maxYReduce, 0); +} - // Temporarily truncate L before l1. - if (l0) L.tail = l0, l0.next = null; - else L.head = L.tail = null; +function maxYReduce(y, c) { + return Math.max(y, c.y); +} - B.push(p1); - circle = encloseN(L, B); // Note: reorders L! - B.pop(); +function leafLeft(node) { + var children; + while (children = node.children) node = children[0]; + return node; +} - // Move l1 to the front of L and reconnect the truncated list L. - if (L.head) l1.next = L.head, L.head = l1; - else l1.next = null, L.head = L.tail = l1; - l0 = L.tail, l0.next = l2; +function leafRight(node) { + var children; + while (children = node.children) node = children[children.length - 1]; + return node; +} - } else { - l0 = l1; - } - l1 = l2; - } +var cluster = function() { + var separation = defaultSeparation, + dx = 1, + dy = 1, + nodeSize = false; - L.tail = l0; - return circle; -} + function cluster(root) { + var previousNode, + x = 0; -function enclose1(a) { - return { - x: a.x, - y: a.y, - r: a.r + // First walk, computing the initial x & y values. + root.eachAfter(function(node) { + var children = node.children; + if (children) { + node.x = meanX(children); + node.y = maxY(children); + } else { + node.x = previousNode ? x += separation(node, previousNode) : 0; + node.y = 0; + previousNode = node; + } + }); + + var left = leafLeft(root), + right = leafRight(root), + x0 = left.x - separation(left, right) / 2, + x1 = right.x + separation(right, left) / 2; + + // Second walk, normalizing x & y to the desired size. + return root.eachAfter(nodeSize ? function(node) { + node.x = (node.x - root.x) * dx; + node.y = (root.y - node.y) * dy; + } : function(node) { + node.x = (node.x - x0) / (x1 - x0) * dx; + node.y = (1 - (root.y ? node.y / root.y : 1)) * dy; + }); + } + + cluster.separation = function(x) { + return arguments.length ? (separation = x, cluster) : separation; }; -} -function enclose2(a, b) { - var x1 = a.x, y1 = a.y, r1 = a.r, - x2 = b.x, y2 = b.y, r2 = b.r, - x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1, - l = Math.sqrt(x21 * x21 + y21 * y21); - return { - x: (x1 + x2 + x21 / l * r21) / 2, - y: (y1 + y2 + y21 / l * r21) / 2, - r: (l + r1 + r2) / 2 + cluster.size = function(x) { + return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? null : [dx, dy]); }; -} -function enclose3(a, b, c) { - var x1 = a.x, y1 = a.y, r1 = a.r, - x2 = b.x, y2 = b.y, r2 = b.r, - x3 = c.x, y3 = c.y, r3 = c.r, - a2 = 2 * (x1 - x2), - b2 = 2 * (y1 - y2), - c2 = 2 * (r2 - r1), - d2 = x1 * x1 + y1 * y1 - r1 * r1 - x2 * x2 - y2 * y2 + r2 * r2, - a3 = 2 * (x1 - x3), - b3 = 2 * (y1 - y3), - c3 = 2 * (r3 - r1), - d3 = x1 * x1 + y1 * y1 - r1 * r1 - x3 * x3 - y3 * y3 + r3 * r3, - ab = a3 * b2 - a2 * b3, - xa = (b2 * d3 - b3 * d2) / ab - x1, - xb = (b3 * c2 - b2 * c3) / ab, - ya = (a3 * d2 - a2 * d3) / ab - y1, - yb = (a2 * c3 - a3 * c2) / ab, - A = xb * xb + yb * yb - 1, - B = 2 * (xa * xb + ya * yb + r1), - C = xa * xa + ya * ya - r1 * r1, - r = (-B - Math.sqrt(B * B - 4 * A * C)) / (2 * A); - return { - x: xa + xb * r + x1, - y: ya + yb * r + y1, - r: r + cluster.nodeSize = function(x) { + return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? [dx, dy] : null); }; -} -function place(a, b, c) { - var ax = a.x, - ay = a.y, - da = b.r + c.r, - db = a.r + c.r, - dx = b.x - ax, - dy = b.y - ay, - dc = dx * dx + dy * dy; - if (dc) { - var x = 0.5 + ((db *= db) - (da *= da)) / (2 * dc), - y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); - c.x = ax + x * dx + y * dy; - c.y = ay + x * dy - y * dx; - } else { - c.x = ax + db; - c.y = ay; - } -} + return cluster; +}; -function intersects(a, b) { - var dx = b.x - a.x, - dy = b.y - a.y, - dr = a.r + b.r; - return dr * dr > dx * dx + dy * dy; +function count(node) { + var sum = 0, + children = node.children, + i = children && children.length; + if (!i) sum = 1; + else while (--i >= 0) sum += children[i].value; + node.value = sum; } -function distance2(circle, x, y) { - var dx = circle.x - x, - dy = circle.y - y; - return dx * dx + dy * dy; -} +var node_count = function() { + return this.eachAfter(count); +}; -function Node$1(circle) { - this._ = circle; - this.next = null; - this.previous = null; -} +var node_each = function(callback) { + var node = this, current, next = [node], children, i, n; + do { + current = next.reverse(), next = []; + while (node = current.pop()) { + callback(node), children = node.children; + if (children) for (i = 0, n = children.length; i < n; ++i) { + next.push(children[i]); + } + } + } while (next.length); + return this; +}; -function packEnclose(circles) { - if (!(n = circles.length)) return 0; +var node_eachBefore = function(callback) { + var node = this, nodes = [node], children, i; + while (node = nodes.pop()) { + callback(node), children = node.children; + if (children) for (i = children.length - 1; i >= 0; --i) { + nodes.push(children[i]); + } + } + return this; +}; - var a, b, c, n; +var node_eachAfter = function(callback) { + var node = this, nodes = [node], next = [], children, i, n; + while (node = nodes.pop()) { + next.push(node), children = node.children; + if (children) for (i = 0, n = children.length; i < n; ++i) { + nodes.push(children[i]); + } + } + while (node = next.pop()) { + callback(node); + } + return this; +}; - // Place the first circle. - a = circles[0], a.x = 0, a.y = 0; - if (!(n > 1)) return a.r; +var node_sum = function(value) { + return this.eachAfter(function(node) { + var sum = +value(node.data) || 0, + children = node.children, + i = children && children.length; + while (--i >= 0) sum += children[i].value; + node.value = sum; + }); +}; - // Place the second circle. - b = circles[1], a.x = -b.r, b.x = a.r, b.y = 0; - if (!(n > 2)) return a.r + b.r; +var node_sort = function(compare) { + return this.eachBefore(function(node) { + if (node.children) { + node.children.sort(compare); + } + }); +}; - // Place the third circle. - place(b, a, c = circles[2]); +var node_path = function(end) { + var start = this, + ancestor = leastCommonAncestor(start, end), + nodes = [start]; + while (start !== ancestor) { + start = start.parent; + nodes.push(start); + } + var k = nodes.length; + while (end !== ancestor) { + nodes.splice(k, 0, end); + end = end.parent; + } + return nodes; +}; - // Initialize the weighted centroid. - var aa = a.r * a.r, - ba = b.r * b.r, - ca = c.r * c.r, - oa = aa + ba + ca, - ox = aa * a.x + ba * b.x + ca * c.x, - oy = aa * a.y + ba * b.y + ca * c.y, - cx, cy, i, j, k, sj, sk; +function leastCommonAncestor(a, b) { + if (a === b) return a; + var aNodes = a.ancestors(), + bNodes = b.ancestors(), + c = null; + a = aNodes.pop(); + b = bNodes.pop(); + while (a === b) { + c = a; + a = aNodes.pop(); + b = bNodes.pop(); + } + return c; +} - // Initialize the front-chain using the first three circles a, b and c. - a = new Node$1(a), b = new Node$1(b), c = new Node$1(c); - a.next = c.previous = b; - b.next = a.previous = c; - c.next = b.previous = a; +var node_ancestors = function() { + var node = this, nodes = [node]; + while (node = node.parent) { + nodes.push(node); + } + return nodes; +}; - // Attempt to place each remaining circle… - pack: for (i = 3; i < n; ++i) { - place(a._, b._, c = circles[i]), c = new Node$1(c); +var node_descendants = function() { + var nodes = []; + this.each(function(node) { + nodes.push(node); + }); + return nodes; +}; - // If there are only three elements in the front-chain… - if ((k = a.previous) === (j = b.next)) { - // If the new circle intersects the third circle, - // rotate the front chain to try the next position. - if (intersects(j._, c._)) { - a = b, b = j, --i; - continue pack; - } +var node_leaves = function() { + var leaves = []; + this.eachBefore(function(node) { + if (!node.children) { + leaves.push(node); } + }); + return leaves; +}; - // Find the closest intersecting circle on the front-chain, if any. - else { - sj = j._.r, sk = k._.r; - do { - if (sj <= sk) { - if (intersects(j._, c._)) { - b = j, a.next = b, b.previous = a, --i; - continue pack; - } - j = j.next, sj += j._.r; - } else { - if (intersects(k._, c._)) { - a = k, a.next = b, b.previous = a, --i; - continue pack; - } - k = k.previous, sk += k._.r; - } - } while (j !== k.next); +var node_links = function() { + var root = this, links = []; + root.each(function(node) { + if (node !== root) { // Don’t include the root’s parent, if any. + links.push({source: node.parent, target: node}); } + }); + return links; +}; - // Success! Insert the new circle c between a and b. - c.previous = a, c.next = b, a.next = b.previous = b = c; +function hierarchy(data, children) { + var root = new Node(data), + valued = +data.value && (root.value = data.value), + node, + nodes = [root], + child, + childs, + i, + n; - // Update the weighted centroid. - oa += ca = c._.r * c._.r; - ox += ca * c._.x; - oy += ca * c._.y; + if (children == null) children = defaultChildren; - // Compute the new closest circle a to centroid. - aa = distance2(a._, cx = ox / oa, cy = oy / oa); - while ((c = c.next) !== b) { - if ((ca = distance2(c._, cx, cy)) < aa) { - a = c, aa = ca; + while (node = nodes.pop()) { + if (valued) node.value = +node.data.value; + if ((childs = children(node.data)) && (n = childs.length)) { + node.children = new Array(n); + for (i = n - 1; i >= 0; --i) { + nodes.push(child = node.children[i] = new Node(childs[i])); + child.parent = node; + child.depth = node.depth + 1; } } - b = a.next; } - // Compute the enclosing circle of the front chain. - a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a); - - // Translate the circles to put the enclosing circle around the origin. - for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y; - - return c.r; + return root.eachBefore(computeHeight); } -var siblings = function(circles) { - packEnclose(circles); - return circles; -}; - -function optional(f) { - return f == null ? null : required(f); +function node_copy() { + return hierarchy(this).eachBefore(copyData); } -function required(f) { - if (typeof f !== "function") throw new Error; - return f; +function defaultChildren(d) { + return d.children; } -function constantZero() { - return 0; +function copyData(node) { + node.data = node.data.data; } -var constant$6 = function(x) { - return function() { - return x; - }; -}; - -function defaultRadius(d) { - return Math.sqrt(d.value); +function computeHeight(node) { + var height = 0; + do node.height = height; + while ((node = node.parent) && (node.height < ++height)); } -var index = function() { - var radius = null, - dx = 1, - dy = 1, - padding = constantZero; - - function pack(root) { - root.x = dx / 2, root.y = dy / 2; - if (radius) { - root.eachBefore(radiusLeaf(radius)) - .eachAfter(packChildren(padding, 0.5)) - .eachBefore(translateChild(1)); - } else { - root.eachBefore(radiusLeaf(defaultRadius)) - .eachAfter(packChildren(constantZero, 1)) - .eachAfter(packChildren(padding, root.r / Math.min(dx, dy))) - .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r))); - } - return root; - } - - pack.radius = function(x) { - return arguments.length ? (radius = optional(x), pack) : radius; - }; - - pack.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], pack) : [dx, dy]; - }; - - pack.padding = function(x) { - return arguments.length ? (padding = typeof x === "function" ? x : constant$6(+x), pack) : padding; - }; +function Node(data) { + this.data = data; + this.depth = + this.height = 0; + this.parent = null; +} - return pack; +Node.prototype = hierarchy.prototype = { + constructor: Node, + count: node_count, + each: node_each, + eachAfter: node_eachAfter, + eachBefore: node_eachBefore, + sum: node_sum, + sort: node_sort, + path: node_path, + ancestors: node_ancestors, + descendants: node_descendants, + leaves: node_leaves, + links: node_links, + copy: node_copy }; -function radiusLeaf(radius) { - return function(node) { - if (!node.children) { - node.r = Math.max(0, +radius(node) || 0); - } - }; +function Node$2(value) { + this._ = value; + this.next = null; } -function packChildren(padding, k) { - return function(node) { - if (children = node.children) { - var children, - i, - n = children.length, - r = padding(node) * k || 0, - e; - - if (r) for (i = 0; i < n; ++i) children[i].r += r; - e = packEnclose(children); - if (r) for (i = 0; i < n; ++i) children[i].r -= r; - node.r = e + r; - } - }; -} +var shuffle$1 = function(array) { + var i, + n = (array = array.slice()).length, + head = null, + node = head; -function translateChild(k) { - return function(node) { - var parent = node.parent; - node.r *= k; - if (parent) { - node.x = parent.x + k * node.x; - node.y = parent.y + k * node.y; - } + while (n) { + var next = new Node$2(array[n - 1]); + if (node) node = node.next = next; + else node = head = next; + array[i] = array[--n]; + } + + return { + head: head, + tail: node }; -} +}; -var roundNode = function(node) { - node.x0 = Math.round(node.x0); - node.y0 = Math.round(node.y0); - node.x1 = Math.round(node.x1); - node.y1 = Math.round(node.y1); +var enclose = function(circles) { + return encloseN(shuffle$1(circles), []); }; -var treemapDice = function(parent, x0, y0, x1, y1) { - var nodes = parent.children, - node, - i = -1, - n = nodes.length, - k = parent.value && (x1 - x0) / parent.value; +function encloses(a, b) { + var dx = b.x - a.x, + dy = b.y - a.y, + dr = a.r - b.r; + return dr * dr + 1e-6 > dx * dx + dy * dy; +} - while (++i < n) { - node = nodes[i], node.y0 = y0, node.y1 = y1; - node.x0 = x0, node.x1 = x0 += node.value * k; +// Returns the smallest circle that contains circles L and intersects circles B. +function encloseN(L, B) { + var circle, + l0 = null, + l1 = L.head, + l2, + p1; + + switch (B.length) { + case 1: circle = enclose1(B[0]); break; + case 2: circle = enclose2(B[0], B[1]); break; + case 3: circle = enclose3(B[0], B[1], B[2]); break; } -}; -var partition = function() { - var dx = 1, - dy = 1, - padding = 0, - round = false; + while (l1) { + p1 = l1._, l2 = l1.next; + if (!circle || !encloses(circle, p1)) { - function partition(root) { - var n = root.height + 1; - root.x0 = - root.y0 = padding; - root.x1 = dx; - root.y1 = dy / n; - root.eachBefore(positionNode(dy, n)); - if (round) root.eachBefore(roundNode); - return root; - } + // Temporarily truncate L before l1. + if (l0) L.tail = l0, l0.next = null; + else L.head = L.tail = null; - function positionNode(dy, n) { - return function(node) { - if (node.children) { - treemapDice(node, node.x0, dy * (node.depth + 1) / n, node.x1, dy * (node.depth + 2) / n); - } - var x0 = node.x0, - y0 = node.y0, - x1 = node.x1 - padding, - y1 = node.y1 - padding; - if (x1 < x0) x0 = x1 = (x0 + x1) / 2; - if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - node.x0 = x0; - node.y0 = y0; - node.x1 = x1; - node.y1 = y1; - }; + B.push(p1); + circle = encloseN(L, B); // Note: reorders L! + B.pop(); + + // Move l1 to the front of L and reconnect the truncated list L. + if (L.head) l1.next = L.head, L.head = l1; + else l1.next = null, L.head = L.tail = l1; + l0 = L.tail, l0.next = l2; + + } else { + l0 = l1; + } + l1 = l2; } - partition.round = function(x) { - return arguments.length ? (round = !!x, partition) : round; + L.tail = l0; + return circle; +} + +function enclose1(a) { + return { + x: a.x, + y: a.y, + r: a.r }; +} - partition.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], partition) : [dx, dy]; +function enclose2(a, b) { + var x1 = a.x, y1 = a.y, r1 = a.r, + x2 = b.x, y2 = b.y, r2 = b.r, + x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1, + l = Math.sqrt(x21 * x21 + y21 * y21); + return { + x: (x1 + x2 + x21 / l * r21) / 2, + y: (y1 + y2 + y21 / l * r21) / 2, + r: (l + r1 + r2) / 2 }; +} - partition.padding = function(x) { - return arguments.length ? (padding = +x, partition) : padding; +function enclose3(a, b, c) { + var x1 = a.x, y1 = a.y, r1 = a.r, + x2 = b.x, y2 = b.y, r2 = b.r, + x3 = c.x, y3 = c.y, r3 = c.r, + a2 = 2 * (x1 - x2), + b2 = 2 * (y1 - y2), + c2 = 2 * (r2 - r1), + d2 = x1 * x1 + y1 * y1 - r1 * r1 - x2 * x2 - y2 * y2 + r2 * r2, + a3 = 2 * (x1 - x3), + b3 = 2 * (y1 - y3), + c3 = 2 * (r3 - r1), + d3 = x1 * x1 + y1 * y1 - r1 * r1 - x3 * x3 - y3 * y3 + r3 * r3, + ab = a3 * b2 - a2 * b3, + xa = (b2 * d3 - b3 * d2) / ab - x1, + xb = (b3 * c2 - b2 * c3) / ab, + ya = (a3 * d2 - a2 * d3) / ab - y1, + yb = (a2 * c3 - a3 * c2) / ab, + A = xb * xb + yb * yb - 1, + B = 2 * (xa * xb + ya * yb + r1), + C = xa * xa + ya * ya - r1 * r1, + r = (-B - Math.sqrt(B * B - 4 * A * C)) / (2 * A); + return { + x: xa + xb * r + x1, + y: ya + yb * r + y1, + r: r }; +} - return partition; -}; +function place(a, b, c) { + var ax = a.x, + ay = a.y, + da = b.r + c.r, + db = a.r + c.r, + dx = b.x - ax, + dy = b.y - ay, + dc = dx * dx + dy * dy; + if (dc) { + var x = 0.5 + ((db *= db) - (da *= da)) / (2 * dc), + y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); + c.x = ax + x * dx + y * dy; + c.y = ay + x * dy - y * dx; + } else { + c.x = ax + db; + c.y = ay; + } +} -var keyPrefix$1 = "$"; -var preroot = {depth: -1}; -var ambiguous = {}; +function intersects(a, b) { + var dx = b.x - a.x, + dy = b.y - a.y, + dr = a.r + b.r; + return dr * dr - 1e-6 > dx * dx + dy * dy; +} -function defaultId(d) { - return d.id; +function distance1(a, b) { + var l = a._.r; + while (a !== b) l += 2 * (a = a.next)._.r; + return l - b._.r; } -function defaultParentId(d) { - return d.parentId; +function distance2(node, x, y) { + var a = node._, + b = node.next._, + ab = a.r + b.r, + dx = (a.x * b.r + b.x * a.r) / ab - x, + dy = (a.y * b.r + b.y * a.r) / ab - y; + return dx * dx + dy * dy; } -var stratify = function() { - var id = defaultId, - parentId = defaultParentId; +function Node$1(circle) { + this._ = circle; + this.next = null; + this.previous = null; +} - function stratify(data) { - var d, - i, - n = data.length, - root, - parent, - node, - nodes = new Array(n), - nodeId, - nodeKey, - nodeByKey = {}; +function packEnclose(circles) { + if (!(n = circles.length)) return 0; - for (i = 0; i < n; ++i) { - d = data[i], node = nodes[i] = new Node(d); - if ((nodeId = id(d, i, data)) != null && (nodeId += "")) { - nodeKey = keyPrefix$1 + (node.id = nodeId); - nodeByKey[nodeKey] = nodeKey in nodeByKey ? ambiguous : node; - } - } + var a, b, c, n; - for (i = 0; i < n; ++i) { - node = nodes[i], nodeId = parentId(data[i], i, data); - if (nodeId == null || !(nodeId += "")) { - if (root) throw new Error("multiple roots"); - root = node; - } else { - parent = nodeByKey[keyPrefix$1 + nodeId]; - if (!parent) throw new Error("missing: " + nodeId); - if (parent === ambiguous) throw new Error("ambiguous: " + nodeId); - if (parent.children) parent.children.push(node); - else parent.children = [node]; - node.parent = parent; - } - } + // Place the first circle. + a = circles[0], a.x = 0, a.y = 0; + if (!(n > 1)) return a.r; - if (!root) throw new Error("no root"); - root.parent = preroot; - root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight); - root.parent = null; - if (n > 0) throw new Error("cycle"); + // Place the second circle. + b = circles[1], a.x = -b.r, b.x = a.r, b.y = 0; + if (!(n > 2)) return a.r + b.r; - return root; - } + // Place the third circle. + place(b, a, c = circles[2]); - stratify.id = function(x) { - return arguments.length ? (id = required(x), stratify) : id; - }; + // Initialize the weighted centroid. + var aa = a.r * a.r, + ba = b.r * b.r, + ca = c.r * c.r, + oa = aa + ba + ca, + ox = aa * a.x + ba * b.x + ca * c.x, + oy = aa * a.y + ba * b.y + ca * c.y, + cx, cy, i, j, k, sj, sk; + + // Initialize the front-chain using the first three circles a, b and c. + a = new Node$1(a), b = new Node$1(b), c = new Node$1(c); + a.next = c.previous = b; + b.next = a.previous = c; + c.next = b.previous = a; + + // Attempt to place each remaining circle… + pack: for (i = 3; i < n; ++i) { + place(a._, b._, c = circles[i]), c = new Node$1(c); - stratify.parentId = function(x) { - return arguments.length ? (parentId = required(x), stratify) : parentId; - }; + // Find the closest intersecting circle on the front-chain, if any. + // “Closeness” is determined by linear distance along the front-chain. + // “Ahead” or “behind” is likewise determined by linear distance. + j = b.next, k = a.previous, sj = b._.r, sk = a._.r; + do { + if (sj <= sk) { + if (intersects(j._, c._)) { + if (sj + a._.r + b._.r > distance1(j, b)) a = j; else b = j; + a.next = b, b.previous = a, --i; + continue pack; + } + sj += j._.r, j = j.next; + } else { + if (intersects(k._, c._)) { + if (distance1(a, k) > sk + a._.r + b._.r) a = k; else b = k; + a.next = b, b.previous = a, --i; + continue pack; + } + sk += k._.r, k = k.previous; + } + } while (j !== k.next); - return stratify; -}; + // Success! Insert the new circle c between a and b. + c.previous = a, c.next = b, a.next = b.previous = b = c; -function defaultSeparation$1(a, b) { - return a.parent === b.parent ? 1 : 2; -} + // Update the weighted centroid. + oa += ca = c._.r * c._.r; + ox += ca * c._.x; + oy += ca * c._.y; -// function radialSeparation(a, b) { -// return (a.parent === b.parent ? 1 : 2) / a.depth; -// } + // Compute the new closest circle pair to the centroid. + aa = distance2(a, cx = ox / oa, cy = oy / oa); + while ((c = c.next) !== b) { + if ((ca = distance2(c, cx, cy)) < aa) { + a = c, aa = ca; + } + } + b = a.next; + } -// This function is used to traverse the left contour of a subtree (or -// subforest). It returns the successor of v on this contour. This successor is -// either given by the leftmost child of v or by the thread of v. The function -// returns null if and only if v is on the highest level of its subtree. -function nextLeft(v) { - var children = v.children; - return children ? children[0] : v.t; -} + // Compute the enclosing circle of the front chain. + a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a); -// This function works analogously to nextLeft. -function nextRight(v) { - var children = v.children; - return children ? children[children.length - 1] : v.t; -} + // Translate the circles to put the enclosing circle around the origin. + for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y; -// Shifts the current subtree rooted at w+. This is done by increasing -// prelim(w+) and mod(w+) by shift. -function moveSubtree(wm, wp, shift) { - var change = shift / (wp.i - wm.i); - wp.c -= change; - wp.s += shift; - wm.c += change; - wp.z += shift; - wp.m += shift; + return c.r; } -// All other shifts, applied to the smaller subtrees between w- and w+, are -// performed by this function. To prepare the shifts, we have to adjust -// change(w+), shift(w+), and change(w-). -function executeShifts(v) { - var shift = 0, - change = 0, - children = v.children, - i = children.length, - w; - while (--i >= 0) { - w = children[i]; - w.z += shift; - w.m += shift; - shift += w.s + (change += w.c); - } -} +var siblings = function(circles) { + packEnclose(circles); + return circles; +}; -// If vi-’s ancestor is a sibling of v, returns vi-’s ancestor. Otherwise, -// returns the specified (default) ancestor. -function nextAncestor(vim, v, ancestor) { - return vim.a.parent === v.parent ? vim.a : ancestor; +function optional(f) { + return f == null ? null : required(f); } -function TreeNode(node, i) { - this._ = node; - this.parent = null; - this.children = null; - this.A = null; // default ancestor - this.a = this; // ancestor - this.z = 0; // prelim - this.m = 0; // mod - this.c = 0; // change - this.s = 0; // shift - this.t = null; // thread - this.i = i; // number +function required(f) { + if (typeof f !== "function") throw new Error; + return f; } -TreeNode.prototype = Object.create(Node.prototype); - -function treeRoot(root) { - var tree = new TreeNode(root, 0), - node, - nodes = [tree], - child, - children, - i, - n; +function constantZero() { + return 0; +} - while (node = nodes.pop()) { - if (children = node._.children) { - node.children = new Array(n = children.length); - for (i = n - 1; i >= 0; --i) { - nodes.push(child = node.children[i] = new TreeNode(children[i], i)); - child.parent = node; - } - } - } +var constant$8 = function(x) { + return function() { + return x; + }; +}; - (tree.parent = new TreeNode(null, 0)).children = [tree]; - return tree; +function defaultRadius$1(d) { + return Math.sqrt(d.value); } -// Node-link tree diagram using the Reingold-Tilford "tidy" algorithm -var tree = function() { - var separation = defaultSeparation$1, +var index$2 = function() { + var radius = null, dx = 1, dy = 1, - nodeSize = null; - - function tree(root) { - var t = treeRoot(root); - - // Compute the layout using Buchheim et al.’s algorithm. - t.eachAfter(firstWalk), t.parent.m = -t.z; - t.eachBefore(secondWalk); - - // If a fixed node size is specified, scale x and y. - if (nodeSize) root.eachBefore(sizeNode); + padding = constantZero; - // If a fixed tree size is specified, scale x and y based on the extent. - // Compute the left-most, right-most, and depth-most nodes for extents. - else { - var left = root, - right = root, - bottom = root; - root.eachBefore(function(node) { - if (node.x < left.x) left = node; - if (node.x > right.x) right = node; - if (node.depth > bottom.depth) bottom = node; - }); - var s = left === right ? 1 : separation(left, right) / 2, - tx = s - left.x, - kx = dx / (right.x + s + tx), - ky = dy / (bottom.depth || 1); - root.eachBefore(function(node) { - node.x = (node.x + tx) * kx; - node.y = node.depth * ky; - }); + function pack(root) { + root.x = dx / 2, root.y = dy / 2; + if (radius) { + root.eachBefore(radiusLeaf(radius)) + .eachAfter(packChildren(padding, 0.5)) + .eachBefore(translateChild(1)); + } else { + root.eachBefore(radiusLeaf(defaultRadius$1)) + .eachAfter(packChildren(constantZero, 1)) + .eachAfter(packChildren(padding, root.r / Math.min(dx, dy))) + .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r))); } - return root; } - // Computes a preliminary x-coordinate for v. Before that, FIRST WALK is - // applied recursively to the children of v, as well as the function - // APPORTION. After spacing out the children by calling EXECUTE SHIFTS, the - // node v is placed to the midpoint of its outermost children. - function firstWalk(v) { - var children = v.children, - siblings = v.parent.children, - w = v.i ? siblings[v.i - 1] : null; - if (children) { - executeShifts(v); - var midpoint = (children[0].z + children[children.length - 1].z) / 2; - if (w) { - v.z = w.z + separation(v._, w._); - v.m = v.z - midpoint; - } else { - v.z = midpoint; - } - } else if (w) { - v.z = w.z + separation(v._, w._); - } - v.parent.A = apportion(v, w, v.parent.A || siblings[0]); - } - - // Computes all real x-coordinates by summing up the modifiers recursively. - function secondWalk(v) { - v._.x = v.z + v.parent.m; - v.m += v.parent.m; - } + pack.radius = function(x) { + return arguments.length ? (radius = optional(x), pack) : radius; + }; - // The core of the algorithm. Here, a new subtree is combined with the - // previous subtrees. Threads are used to traverse the inside and outside - // contours of the left and right subtree up to the highest common level. The - // vertices used for the traversals are vi+, vi-, vo-, and vo+, where the - // superscript o means outside and i means inside, the subscript - means left - // subtree and + means right subtree. For summing up the modifiers along the - // contour, we use respective variables si+, si-, so-, and so+. Whenever two - // nodes of the inside contours conflict, we compute the left one of the - // greatest uncommon ancestors using the function ANCESTOR and call MOVE - // SUBTREE to shift the subtree and prepare the shifts of smaller subtrees. - // Finally, we add a new thread (if necessary). - function apportion(v, w, ancestor) { - if (w) { - var vip = v, - vop = v, - vim = w, - vom = vip.parent.children[0], - sip = vip.m, - sop = vop.m, - sim = vim.m, - som = vom.m, - shift; - while (vim = nextRight(vim), vip = nextLeft(vip), vim && vip) { - vom = nextLeft(vom); - vop = nextRight(vop); - vop.a = v; - shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); - if (shift > 0) { - moveSubtree(nextAncestor(vim, v, ancestor), v, shift); - sip += shift; - sop += shift; - } - sim += vim.m; - sip += vip.m; - som += vom.m; - sop += vop.m; - } - if (vim && !nextRight(vop)) { - vop.t = vim; - vop.m += sim - sop; - } - if (vip && !nextLeft(vom)) { - vom.t = vip; - vom.m += sip - som; - ancestor = v; - } - } - return ancestor; - } + pack.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], pack) : [dx, dy]; + }; - function sizeNode(node) { - node.x *= dx; - node.y = node.depth * dy; - } + pack.padding = function(x) { + return arguments.length ? (padding = typeof x === "function" ? x : constant$8(+x), pack) : padding; + }; - tree.separation = function(x) { - return arguments.length ? (separation = x, tree) : separation; + return pack; +}; + +function radiusLeaf(radius) { + return function(node) { + if (!node.children) { + node.r = Math.max(0, +radius(node) || 0); + } }; +} - tree.size = function(x) { - return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], tree) : (nodeSize ? null : [dx, dy]); +function packChildren(padding, k) { + return function(node) { + if (children = node.children) { + var children, + i, + n = children.length, + r = padding(node) * k || 0, + e; + + if (r) for (i = 0; i < n; ++i) children[i].r += r; + e = packEnclose(children); + if (r) for (i = 0; i < n; ++i) children[i].r -= r; + node.r = e + r; + } }; +} - tree.nodeSize = function(x) { - return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], tree) : (nodeSize ? [dx, dy] : null); +function translateChild(k) { + return function(node) { + var parent = node.parent; + node.r *= k; + if (parent) { + node.x = parent.x + k * node.x; + node.y = parent.y + k * node.y; + } }; +} - return tree; +var roundNode = function(node) { + node.x0 = Math.round(node.x0); + node.y0 = Math.round(node.y0); + node.x1 = Math.round(node.x1); + node.y1 = Math.round(node.y1); }; -var treemapSlice = function(parent, x0, y0, x1, y1) { +var treemapDice = function(parent, x0, y0, x1, y1) { var nodes = parent.children, node, i = -1, n = nodes.length, - k = parent.value && (y1 - y0) / parent.value; + k = parent.value && (x1 - x0) / parent.value; while (++i < n) { - node = nodes[i], node.x0 = x0, node.x1 = x1; - node.y0 = y0, node.y1 = y0 += node.value * k; + node = nodes[i], node.y0 = y0, node.y1 = y1; + node.x0 = x0, node.x1 = x0 += node.value * k; } }; -var phi = (1 + Math.sqrt(5)) / 2; - -function squarifyRatio(ratio, parent, x0, y0, x1, y1) { - var rows = [], - nodes = parent.children, - row, - nodeValue, - i0 = 0, - i1 = 0, - n = nodes.length, - dx, dy, - value = parent.value, - sumValue, - minValue, - maxValue, - newRatio, - minRatio, - alpha, - beta; - - while (i0 < n) { - dx = x1 - x0, dy = y1 - y0; - - // Find the next non-empty node. - do sumValue = nodes[i1++].value; while (!sumValue && i1 < n); - minValue = maxValue = sumValue; - alpha = Math.max(dy / dx, dx / dy) / (value * ratio); - beta = sumValue * sumValue * alpha; - minRatio = Math.max(maxValue / beta, beta / minValue); - - // Keep adding nodes while the aspect ratio maintains or improves. - for (; i1 < n; ++i1) { - sumValue += nodeValue = nodes[i1].value; - if (nodeValue < minValue) minValue = nodeValue; - if (nodeValue > maxValue) maxValue = nodeValue; - beta = sumValue * sumValue * alpha; - newRatio = Math.max(maxValue / beta, beta / minValue); - if (newRatio > minRatio) { sumValue -= nodeValue; break; } - minRatio = newRatio; - } - - // Position and record the row orientation. - rows.push(row = {value: sumValue, dice: dx < dy, children: nodes.slice(i0, i1)}); - if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += dy * sumValue / value : y1); - else treemapSlice(row, x0, y0, value ? x0 += dx * sumValue / value : x1, y1); - value -= sumValue, i0 = i1; - } - - return rows; -} - -var squarify = (function custom(ratio) { - - function squarify(parent, x0, y0, x1, y1) { - squarifyRatio(ratio, parent, x0, y0, x1, y1); - } - - squarify.ratio = function(x) { - return custom((x = +x) > 1 ? x : 1); - }; - - return squarify; -})(phi); - -var index$1 = function() { - var tile = squarify, - round = false, - dx = 1, +var partition = function() { + var dx = 1, dy = 1, - paddingStack = [0], - paddingInner = constantZero, - paddingTop = constantZero, - paddingRight = constantZero, - paddingBottom = constantZero, - paddingLeft = constantZero; + padding = 0, + round = false; - function treemap(root) { + function partition(root) { + var n = root.height + 1; root.x0 = - root.y0 = 0; + root.y0 = padding; root.x1 = dx; - root.y1 = dy; - root.eachBefore(positionNode); - paddingStack = [0]; + root.y1 = dy / n; + root.eachBefore(positionNode(dy, n)); if (round) root.eachBefore(roundNode); return root; } - function positionNode(node) { - var p = paddingStack[node.depth], - x0 = node.x0 + p, - y0 = node.y0 + p, - x1 = node.x1 - p, - y1 = node.y1 - p; - if (x1 < x0) x0 = x1 = (x0 + x1) / 2; - if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - node.x0 = x0; - node.y0 = y0; - node.x1 = x1; - node.y1 = y1; - if (node.children) { - p = paddingStack[node.depth + 1] = paddingInner(node) / 2; - x0 += paddingLeft(node) - p; - y0 += paddingTop(node) - p; - x1 -= paddingRight(node) - p; - y1 -= paddingBottom(node) - p; + function positionNode(dy, n) { + return function(node) { + if (node.children) { + treemapDice(node, node.x0, dy * (node.depth + 1) / n, node.x1, dy * (node.depth + 2) / n); + } + var x0 = node.x0, + y0 = node.y0, + x1 = node.x1 - padding, + y1 = node.y1 - padding; if (x1 < x0) x0 = x1 = (x0 + x1) / 2; if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - tile(node, x0, y0, x1, y1); - } + node.x0 = x0; + node.y0 = y0; + node.x1 = x1; + node.y1 = y1; + }; } - treemap.round = function(x) { - return arguments.length ? (round = !!x, treemap) : round; + partition.round = function(x) { + return arguments.length ? (round = !!x, partition) : round; }; - treemap.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], treemap) : [dx, dy]; + partition.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], partition) : [dx, dy]; }; - treemap.tile = function(x) { - return arguments.length ? (tile = required(x), treemap) : tile; + partition.padding = function(x) { + return arguments.length ? (padding = +x, partition) : padding; }; - treemap.padding = function(x) { - return arguments.length ? treemap.paddingInner(x).paddingOuter(x) : treemap.paddingInner(); - }; + return partition; +}; + +var keyPrefix$1 = "$"; +var preroot = {depth: -1}; +var ambiguous = {}; + +function defaultId(d) { + return d.id; +} + +function defaultParentId(d) { + return d.parentId; +} + +var stratify = function() { + var id = defaultId, + parentId = defaultParentId; + + function stratify(data) { + var d, + i, + n = data.length, + root, + parent, + node, + nodes = new Array(n), + nodeId, + nodeKey, + nodeByKey = {}; + + for (i = 0; i < n; ++i) { + d = data[i], node = nodes[i] = new Node(d); + if ((nodeId = id(d, i, data)) != null && (nodeId += "")) { + nodeKey = keyPrefix$1 + (node.id = nodeId); + nodeByKey[nodeKey] = nodeKey in nodeByKey ? ambiguous : node; + } + } + + for (i = 0; i < n; ++i) { + node = nodes[i], nodeId = parentId(data[i], i, data); + if (nodeId == null || !(nodeId += "")) { + if (root) throw new Error("multiple roots"); + root = node; + } else { + parent = nodeByKey[keyPrefix$1 + nodeId]; + if (!parent) throw new Error("missing: " + nodeId); + if (parent === ambiguous) throw new Error("ambiguous: " + nodeId); + if (parent.children) parent.children.push(node); + else parent.children = [node]; + node.parent = parent; + } + } + + if (!root) throw new Error("no root"); + root.parent = preroot; + root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight); + root.parent = null; + if (n > 0) throw new Error("cycle"); + + return root; + } - treemap.paddingInner = function(x) { - return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$6(+x), treemap) : paddingInner; + stratify.id = function(x) { + return arguments.length ? (id = required(x), stratify) : id; }; - treemap.paddingOuter = function(x) { - return arguments.length ? treemap.paddingTop(x).paddingRight(x).paddingBottom(x).paddingLeft(x) : treemap.paddingTop(); + stratify.parentId = function(x) { + return arguments.length ? (parentId = required(x), stratify) : parentId; }; - treemap.paddingTop = function(x) { - return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$6(+x), treemap) : paddingTop; - }; + return stratify; +}; - treemap.paddingRight = function(x) { - return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$6(+x), treemap) : paddingRight; - }; +function defaultSeparation$1(a, b) { + return a.parent === b.parent ? 1 : 2; +} - treemap.paddingBottom = function(x) { - return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$6(+x), treemap) : paddingBottom; - }; +// function radialSeparation(a, b) { +// return (a.parent === b.parent ? 1 : 2) / a.depth; +// } - treemap.paddingLeft = function(x) { - return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$6(+x), treemap) : paddingLeft; - }; +// This function is used to traverse the left contour of a subtree (or +// subforest). It returns the successor of v on this contour. This successor is +// either given by the leftmost child of v or by the thread of v. The function +// returns null if and only if v is on the highest level of its subtree. +function nextLeft(v) { + var children = v.children; + return children ? children[0] : v.t; +} - return treemap; -}; +// This function works analogously to nextLeft. +function nextRight(v) { + var children = v.children; + return children ? children[children.length - 1] : v.t; +} -var binary = function(parent, x0, y0, x1, y1) { - var nodes = parent.children, - i, n = nodes.length, - sum, sums = new Array(n + 1); +// Shifts the current subtree rooted at w+. This is done by increasing +// prelim(w+) and mod(w+) by shift. +function moveSubtree(wm, wp, shift) { + var change = shift / (wp.i - wm.i); + wp.c -= change; + wp.s += shift; + wm.c += change; + wp.z += shift; + wp.m += shift; +} - for (sums[0] = sum = i = 0; i < n; ++i) { - sums[i + 1] = sum += nodes[i].value; +// All other shifts, applied to the smaller subtrees between w- and w+, are +// performed by this function. To prepare the shifts, we have to adjust +// change(w+), shift(w+), and change(w-). +function executeShifts(v) { + var shift = 0, + change = 0, + children = v.children, + i = children.length, + w; + while (--i >= 0) { + w = children[i]; + w.z += shift; + w.m += shift; + shift += w.s + (change += w.c); } +} - partition(0, n, parent.value, x0, y0, x1, y1); +// If vi-’s ancestor is a sibling of v, returns vi-’s ancestor. Otherwise, +// returns the specified (default) ancestor. +function nextAncestor(vim, v, ancestor) { + return vim.a.parent === v.parent ? vim.a : ancestor; +} - function partition(i, j, value, x0, y0, x1, y1) { - if (i >= j - 1) { - var node = nodes[i]; - node.x0 = x0, node.y0 = y0; - node.x1 = x1, node.y1 = y1; - return; - } +function TreeNode(node, i) { + this._ = node; + this.parent = null; + this.children = null; + this.A = null; // default ancestor + this.a = this; // ancestor + this.z = 0; // prelim + this.m = 0; // mod + this.c = 0; // change + this.s = 0; // shift + this.t = null; // thread + this.i = i; // number +} - var valueOffset = sums[i], - valueTarget = (value / 2) + valueOffset, - k = i + 1, - hi = j - 1; +TreeNode.prototype = Object.create(Node.prototype); - while (k < hi) { - var mid = k + hi >>> 1; - if (sums[mid] < valueTarget) k = mid + 1; - else hi = mid; +function treeRoot(root) { + var tree = new TreeNode(root, 0), + node, + nodes = [tree], + child, + children, + i, + n; + + while (node = nodes.pop()) { + if (children = node._.children) { + node.children = new Array(n = children.length); + for (i = n - 1; i >= 0; --i) { + nodes.push(child = node.children[i] = new TreeNode(children[i], i)); + child.parent = node; + } } + } - var valueLeft = sums[k] - valueOffset, - valueRight = value - valueLeft; + (tree.parent = new TreeNode(null, 0)).children = [tree]; + return tree; +} - if ((y1 - y0) > (x1 - x0)) { - var yk = (y0 * valueRight + y1 * valueLeft) / value; - partition(i, k, valueLeft, x0, y0, x1, yk); - partition(k, j, valueRight, x0, yk, x1, y1); - } else { - var xk = (x0 * valueRight + x1 * valueLeft) / value; - partition(i, k, valueLeft, x0, y0, xk, y1); - partition(k, j, valueRight, xk, y0, x1, y1); +// Node-link tree diagram using the Reingold-Tilford "tidy" algorithm +var tree = function() { + var separation = defaultSeparation$1, + dx = 1, + dy = 1, + nodeSize = null; + + function tree(root) { + var t = treeRoot(root); + + // Compute the layout using Buchheim et al.’s algorithm. + t.eachAfter(firstWalk), t.parent.m = -t.z; + t.eachBefore(secondWalk); + + // If a fixed node size is specified, scale x and y. + if (nodeSize) root.eachBefore(sizeNode); + + // If a fixed tree size is specified, scale x and y based on the extent. + // Compute the left-most, right-most, and depth-most nodes for extents. + else { + var left = root, + right = root, + bottom = root; + root.eachBefore(function(node) { + if (node.x < left.x) left = node; + if (node.x > right.x) right = node; + if (node.depth > bottom.depth) bottom = node; + }); + var s = left === right ? 1 : separation(left, right) / 2, + tx = s - left.x, + kx = dx / (right.x + s + tx), + ky = dy / (bottom.depth || 1); + root.eachBefore(function(node) { + node.x = (node.x + tx) * kx; + node.y = node.depth * ky; + }); } - } -}; -var sliceDice = function(parent, x0, y0, x1, y1) { - (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); -}; + return root; + } -var resquarify = (function custom(ratio) { + // Computes a preliminary x-coordinate for v. Before that, FIRST WALK is + // applied recursively to the children of v, as well as the function + // APPORTION. After spacing out the children by calling EXECUTE SHIFTS, the + // node v is placed to the midpoint of its outermost children. + function firstWalk(v) { + var children = v.children, + siblings = v.parent.children, + w = v.i ? siblings[v.i - 1] : null; + if (children) { + executeShifts(v); + var midpoint = (children[0].z + children[children.length - 1].z) / 2; + if (w) { + v.z = w.z + separation(v._, w._); + v.m = v.z - midpoint; + } else { + v.z = midpoint; + } + } else if (w) { + v.z = w.z + separation(v._, w._); + } + v.parent.A = apportion(v, w, v.parent.A || siblings[0]); + } - function resquarify(parent, x0, y0, x1, y1) { - if ((rows = parent._squarify) && (rows.ratio === ratio)) { - var rows, - row, - nodes, - i, - j = -1, - n, - m = rows.length, - value = parent.value; + // Computes all real x-coordinates by summing up the modifiers recursively. + function secondWalk(v) { + v._.x = v.z + v.parent.m; + v.m += v.parent.m; + } - while (++j < m) { - row = rows[j], nodes = row.children; - for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value; - if (row.dice) treemapDice(row, x0, y0, x1, y0 += (y1 - y0) * row.value / value); - else treemapSlice(row, x0, y0, x0 += (x1 - x0) * row.value / value, y1); - value -= row.value; + // The core of the algorithm. Here, a new subtree is combined with the + // previous subtrees. Threads are used to traverse the inside and outside + // contours of the left and right subtree up to the highest common level. The + // vertices used for the traversals are vi+, vi-, vo-, and vo+, where the + // superscript o means outside and i means inside, the subscript - means left + // subtree and + means right subtree. For summing up the modifiers along the + // contour, we use respective variables si+, si-, so-, and so+. Whenever two + // nodes of the inside contours conflict, we compute the left one of the + // greatest uncommon ancestors using the function ANCESTOR and call MOVE + // SUBTREE to shift the subtree and prepare the shifts of smaller subtrees. + // Finally, we add a new thread (if necessary). + function apportion(v, w, ancestor) { + if (w) { + var vip = v, + vop = v, + vim = w, + vom = vip.parent.children[0], + sip = vip.m, + sop = vop.m, + sim = vim.m, + som = vom.m, + shift; + while (vim = nextRight(vim), vip = nextLeft(vip), vim && vip) { + vom = nextLeft(vom); + vop = nextRight(vop); + vop.a = v; + shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); + if (shift > 0) { + moveSubtree(nextAncestor(vim, v, ancestor), v, shift); + sip += shift; + sop += shift; + } + sim += vim.m; + sip += vip.m; + som += vom.m; + sop += vop.m; + } + if (vim && !nextRight(vop)) { + vop.t = vim; + vop.m += sim - sop; + } + if (vip && !nextLeft(vom)) { + vom.t = vip; + vom.m += sip - som; + ancestor = v; } - } else { - parent._squarify = rows = squarifyRatio(ratio, parent, x0, y0, x1, y1); - rows.ratio = ratio; } + return ancestor; } - resquarify.ratio = function(x) { - return custom((x = +x) > 1 ? x : 1); - }; - - return resquarify; -})(phi); - -var center$1 = function(x, y) { - var nodes; - - if (x == null) x = 0; - if (y == null) y = 0; - - function force() { - var i, - n = nodes.length, - node, - sx = 0, - sy = 0; - - for (i = 0; i < n; ++i) { - node = nodes[i], sx += node.x, sy += node.y; - } - - for (sx = sx / n - x, sy = sy / n - y, i = 0; i < n; ++i) { - node = nodes[i], node.x -= sx, node.y -= sy; - } + function sizeNode(node) { + node.x *= dx; + node.y = node.depth * dy; } - force.initialize = function(_) { - nodes = _; + tree.separation = function(x) { + return arguments.length ? (separation = x, tree) : separation; }; - force.x = function(_) { - return arguments.length ? (x = +_, force) : x; + tree.size = function(x) { + return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], tree) : (nodeSize ? null : [dx, dy]); }; - force.y = function(_) { - return arguments.length ? (y = +_, force) : y; + tree.nodeSize = function(x) { + return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], tree) : (nodeSize ? [dx, dy] : null); }; - return force; + return tree; }; -var constant$7 = function(x) { - return function() { - return x; - }; -}; +var treemapSlice = function(parent, x0, y0, x1, y1) { + var nodes = parent.children, + node, + i = -1, + n = nodes.length, + k = parent.value && (y1 - y0) / parent.value; -var jiggle = function() { - return (Math.random() - 0.5) * 1e-6; + while (++i < n) { + node = nodes[i], node.x0 = x0, node.x1 = x1; + node.y0 = y0, node.y1 = y0 += node.value * k; + } }; -function x$1(d) { - return d.x + d.vx; -} - -function y$1(d) { - return d.y + d.vy; -} - -var collide = function(radius) { - var nodes, - radii, - strength = 1, - iterations = 1; - - if (typeof radius !== "function") radius = constant$7(radius == null ? 1 : +radius); +var phi = (1 + Math.sqrt(5)) / 2; - function force() { - var i, n = nodes.length, - tree, - node, - xi, - yi, - ri, - ri2; +function squarifyRatio(ratio, parent, x0, y0, x1, y1) { + var rows = [], + nodes = parent.children, + row, + nodeValue, + i0 = 0, + i1 = 0, + n = nodes.length, + dx, dy, + value = parent.value, + sumValue, + minValue, + maxValue, + newRatio, + minRatio, + alpha, + beta; - for (var k = 0; k < iterations; ++k) { - tree = quadtree(nodes, x$1, y$1).visitAfter(prepare); - for (i = 0; i < n; ++i) { - node = nodes[i]; - ri = radii[node.index], ri2 = ri * ri; - xi = node.x + node.vx; - yi = node.y + node.vy; - tree.visit(apply); - } - } + while (i0 < n) { + dx = x1 - x0, dy = y1 - y0; - function apply(quad, x0, y0, x1, y1) { - var data = quad.data, rj = quad.r, r = ri + rj; - if (data) { - if (data.index > node.index) { - var x = xi - data.x - data.vx, - y = yi - data.y - data.vy, - l = x * x + y * y; - if (l < r * r) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - l = (r - (l = Math.sqrt(l))) / l * strength; - node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj)); - node.vy += (y *= l) * r; - data.vx -= x * (r = 1 - r); - data.vy -= y * r; - } - } - return; - } - return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r; - } - } + // Find the next non-empty node. + do sumValue = nodes[i1++].value; while (!sumValue && i1 < n); + minValue = maxValue = sumValue; + alpha = Math.max(dy / dx, dx / dy) / (value * ratio); + beta = sumValue * sumValue * alpha; + minRatio = Math.max(maxValue / beta, beta / minValue); - function prepare(quad) { - if (quad.data) return quad.r = radii[quad.data.index]; - for (var i = quad.r = 0; i < 4; ++i) { - if (quad[i] && quad[i].r > quad.r) { - quad.r = quad[i].r; - } + // Keep adding nodes while the aspect ratio maintains or improves. + for (; i1 < n; ++i1) { + sumValue += nodeValue = nodes[i1].value; + if (nodeValue < minValue) minValue = nodeValue; + if (nodeValue > maxValue) maxValue = nodeValue; + beta = sumValue * sumValue * alpha; + newRatio = Math.max(maxValue / beta, beta / minValue); + if (newRatio > minRatio) { sumValue -= nodeValue; break; } + minRatio = newRatio; } - } - function initialize() { - if (!nodes) return; - var i, n = nodes.length, node; - radii = new Array(n); - for (i = 0; i < n; ++i) node = nodes[i], radii[node.index] = +radius(node, i, nodes); + // Position and record the row orientation. + rows.push(row = {value: sumValue, dice: dx < dy, children: nodes.slice(i0, i1)}); + if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += dy * sumValue / value : y1); + else treemapSlice(row, x0, y0, value ? x0 += dx * sumValue / value : x1, y1); + value -= sumValue, i0 = i1; } - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.iterations = function(_) { - return arguments.length ? (iterations = +_, force) : iterations; - }; - - force.strength = function(_) { - return arguments.length ? (strength = +_, force) : strength; - }; - - force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : radius; - }; - - return force; -}; - -function index$2(d) { - return d.index; -} - -function find(nodeById, nodeId) { - var node = nodeById.get(nodeId); - if (!node) throw new Error("missing: " + nodeId); - return node; + return rows; } -var link = function(links) { - var id = index$2, - strength = defaultStrength, - strengths, - distance = constant$7(30), - distances, - nodes, - count, - bias, - iterations = 1; - - if (links == null) links = []; +var squarify = ((function custom(ratio) { - function defaultStrength(link) { - return 1 / Math.min(count[link.source.index], count[link.target.index]); + function squarify(parent, x0, y0, x1, y1) { + squarifyRatio(ratio, parent, x0, y0, x1, y1); } - function force(alpha) { - for (var k = 0, n = links.length; k < iterations; ++k) { - for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) { - link = links[i], source = link.source, target = link.target; - x = target.x + target.vx - source.x - source.vx || jiggle(); - y = target.y + target.vy - source.y - source.vy || jiggle(); - l = Math.sqrt(x * x + y * y); - l = (l - distances[i]) / l * alpha * strengths[i]; - x *= l, y *= l; - target.vx -= x * (b = bias[i]); - target.vy -= y * b; - source.vx += x * (b = 1 - b); - source.vy += y * b; - } - } - } + squarify.ratio = function(x) { + return custom((x = +x) > 1 ? x : 1); + }; - function initialize() { - if (!nodes) return; + return squarify; +}))(phi); - var i, - n = nodes.length, - m = links.length, - nodeById = map$1(nodes, id), - link; +var index$3 = function() { + var tile = squarify, + round = false, + dx = 1, + dy = 1, + paddingStack = [0], + paddingInner = constantZero, + paddingTop = constantZero, + paddingRight = constantZero, + paddingBottom = constantZero, + paddingLeft = constantZero; - for (i = 0, count = new Array(n); i < m; ++i) { - link = links[i], link.index = i; - if (typeof link.source !== "object") link.source = find(nodeById, link.source); - if (typeof link.target !== "object") link.target = find(nodeById, link.target); - count[link.source.index] = (count[link.source.index] || 0) + 1; - count[link.target.index] = (count[link.target.index] || 0) + 1; - } + function treemap(root) { + root.x0 = + root.y0 = 0; + root.x1 = dx; + root.y1 = dy; + root.eachBefore(positionNode); + paddingStack = [0]; + if (round) root.eachBefore(roundNode); + return root; + } - for (i = 0, bias = new Array(m); i < m; ++i) { - link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]); + function positionNode(node) { + var p = paddingStack[node.depth], + x0 = node.x0 + p, + y0 = node.y0 + p, + x1 = node.x1 - p, + y1 = node.y1 - p; + if (x1 < x0) x0 = x1 = (x0 + x1) / 2; + if (y1 < y0) y0 = y1 = (y0 + y1) / 2; + node.x0 = x0; + node.y0 = y0; + node.x1 = x1; + node.y1 = y1; + if (node.children) { + p = paddingStack[node.depth + 1] = paddingInner(node) / 2; + x0 += paddingLeft(node) - p; + y0 += paddingTop(node) - p; + x1 -= paddingRight(node) - p; + y1 -= paddingBottom(node) - p; + if (x1 < x0) x0 = x1 = (x0 + x1) / 2; + if (y1 < y0) y0 = y1 = (y0 + y1) / 2; + tile(node, x0, y0, x1, y1); } - - strengths = new Array(m), initializeStrength(); - distances = new Array(m), initializeDistance(); } - function initializeStrength() { - if (!nodes) return; + treemap.round = function(x) { + return arguments.length ? (round = !!x, treemap) : round; + }; - for (var i = 0, n = links.length; i < n; ++i) { - strengths[i] = +strength(links[i], i, links); - } - } + treemap.size = function(x) { + return arguments.length ? (dx = +x[0], dy = +x[1], treemap) : [dx, dy]; + }; - function initializeDistance() { - if (!nodes) return; + treemap.tile = function(x) { + return arguments.length ? (tile = required(x), treemap) : tile; + }; - for (var i = 0, n = links.length; i < n; ++i) { - distances[i] = +distance(links[i], i, links); - } - } + treemap.padding = function(x) { + return arguments.length ? treemap.paddingInner(x).paddingOuter(x) : treemap.paddingInner(); + }; - force.initialize = function(_) { - nodes = _; - initialize(); + treemap.paddingInner = function(x) { + return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$8(+x), treemap) : paddingInner; }; - force.links = function(_) { - return arguments.length ? (links = _, initialize(), force) : links; + treemap.paddingOuter = function(x) { + return arguments.length ? treemap.paddingTop(x).paddingRight(x).paddingBottom(x).paddingLeft(x) : treemap.paddingTop(); }; - force.id = function(_) { - return arguments.length ? (id = _, force) : id; + treemap.paddingTop = function(x) { + return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$8(+x), treemap) : paddingTop; }; - force.iterations = function(_) { - return arguments.length ? (iterations = +_, force) : iterations; + treemap.paddingRight = function(x) { + return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$8(+x), treemap) : paddingRight; }; - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initializeStrength(), force) : strength; + treemap.paddingBottom = function(x) { + return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$8(+x), treemap) : paddingBottom; }; - force.distance = function(_) { - return arguments.length ? (distance = typeof _ === "function" ? _ : constant$7(+_), initializeDistance(), force) : distance; + treemap.paddingLeft = function(x) { + return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$8(+x), treemap) : paddingLeft; }; - return force; + return treemap; }; -function x$2(d) { - return d.x; -} +var binary = function(parent, x0, y0, x1, y1) { + var nodes = parent.children, + i, n = nodes.length, + sum, sums = new Array(n + 1); -function y$2(d) { - return d.y; -} + for (sums[0] = sum = i = 0; i < n; ++i) { + sums[i + 1] = sum += nodes[i].value; + } -var initialRadius = 10; -var initialAngle = Math.PI * (3 - Math.sqrt(5)); + partition(0, n, parent.value, x0, y0, x1, y1); -var simulation = function(nodes) { - var simulation, - alpha = 1, - alphaMin = 0.001, - alphaDecay = 1 - Math.pow(alphaMin, 1 / 300), - alphaTarget = 0, - velocityDecay = 0.6, - forces = map$1(), - stepper = timer(step), - event = dispatch("tick", "end"); + function partition(i, j, value, x0, y0, x1, y1) { + if (i >= j - 1) { + var node = nodes[i]; + node.x0 = x0, node.y0 = y0; + node.x1 = x1, node.y1 = y1; + return; + } - if (nodes == null) nodes = []; + var valueOffset = sums[i], + valueTarget = (value / 2) + valueOffset, + k = i + 1, + hi = j - 1; - function step() { - tick(); - event.call("tick", simulation); - if (alpha < alphaMin) { - stepper.stop(); - event.call("end", simulation); + while (k < hi) { + var mid = k + hi >>> 1; + if (sums[mid] < valueTarget) k = mid + 1; + else hi = mid; + } + + var valueLeft = sums[k] - valueOffset, + valueRight = value - valueLeft; + + if ((y1 - y0) > (x1 - x0)) { + var yk = (y0 * valueRight + y1 * valueLeft) / value; + partition(i, k, valueLeft, x0, y0, x1, yk); + partition(k, j, valueRight, x0, yk, x1, y1); + } else { + var xk = (x0 * valueRight + x1 * valueLeft) / value; + partition(i, k, valueLeft, x0, y0, xk, y1); + partition(k, j, valueRight, xk, y0, x1, y1); } } +}; - function tick() { - var i, n = nodes.length, node; +var sliceDice = function(parent, x0, y0, x1, y1) { + (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); +}; - alpha += (alphaTarget - alpha) * alphaDecay; +var resquarify = ((function custom(ratio) { - forces.each(function(force) { - force(alpha); - }); + function resquarify(parent, x0, y0, x1, y1) { + if ((rows = parent._squarify) && (rows.ratio === ratio)) { + var rows, + row, + nodes, + i, + j = -1, + n, + m = rows.length, + value = parent.value; - for (i = 0; i < n; ++i) { - node = nodes[i]; - if (node.fx == null) node.x += node.vx *= velocityDecay; - else node.x = node.fx, node.vx = 0; - if (node.fy == null) node.y += node.vy *= velocityDecay; - else node.y = node.fy, node.vy = 0; + while (++j < m) { + row = rows[j], nodes = row.children; + for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value; + if (row.dice) treemapDice(row, x0, y0, x1, y0 += (y1 - y0) * row.value / value); + else treemapSlice(row, x0, y0, x0 += (x1 - x0) * row.value / value, y1); + value -= row.value; + } + } else { + parent._squarify = rows = squarifyRatio(ratio, parent, x0, y0, x1, y1); + rows.ratio = ratio; } } - function initializeNodes() { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.index = i; - if (isNaN(node.x) || isNaN(node.y)) { - var radius = initialRadius * Math.sqrt(i), angle = i * initialAngle; - node.x = radius * Math.cos(angle); - node.y = radius * Math.sin(angle); - } - if (isNaN(node.vx) || isNaN(node.vy)) { - node.vx = node.vy = 0; - } - } + resquarify.ratio = function(x) { + return custom((x = +x) > 1 ? x : 1); + }; + + return resquarify; +}))(phi); + +var area$1 = function(polygon) { + var i = -1, + n = polygon.length, + a, + b = polygon[n - 1], + area = 0; + + while (++i < n) { + a = b; + b = polygon[i]; + area += a[1] * b[0] - a[0] * b[1]; } - function initializeForce(force) { - if (force.initialize) force.initialize(nodes); - return force; + return area / 2; +}; + +var centroid$1 = function(polygon) { + var i = -1, + n = polygon.length, + x = 0, + y = 0, + a, + b = polygon[n - 1], + c, + k = 0; + + while (++i < n) { + a = b; + b = polygon[i]; + k += c = a[0] * b[1] - b[0] * a[1]; + x += (a[0] + b[0]) * c; + y += (a[1] + b[1]) * c; } - initializeNodes(); + return k *= 3, [x / k, y / k]; +}; - return simulation = { - tick: tick, +// Returns the 2D cross product of AB and AC vectors, i.e., the z-component of +// the 3D cross product in a quadrant I Cartesian coordinate system (+x is +// right, +y is up). Returns a positive value if ABC is counter-clockwise, +// negative if clockwise, and zero if the points are collinear. +var cross$1 = function(a, b, c) { + return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); +}; - restart: function() { - return stepper.restart(step), simulation; - }, +function lexicographicOrder(a, b) { + return a[0] - b[0] || a[1] - b[1]; +} - stop: function() { - return stepper.stop(), simulation; - }, +// Computes the upper convex hull per the monotone chain algorithm. +// Assumes points.length >= 3, is sorted by x, unique in y. +// Returns an array of indices into points in left-to-right order. +function computeUpperHullIndexes(points) { + var n = points.length, + indexes = [0, 1], + size = 2; - nodes: function(_) { - return arguments.length ? (nodes = _, initializeNodes(), forces.each(initializeForce), simulation) : nodes; - }, + for (var i = 2; i < n; ++i) { + while (size > 1 && cross$1(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size; + indexes[size++] = i; + } - alpha: function(_) { - return arguments.length ? (alpha = +_, simulation) : alpha; - }, + return indexes.slice(0, size); // remove popped points +} - alphaMin: function(_) { - return arguments.length ? (alphaMin = +_, simulation) : alphaMin; - }, +var hull = function(points) { + if ((n = points.length) < 3) return null; - alphaDecay: function(_) { - return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay; - }, + var i, + n, + sortedPoints = new Array(n), + flippedPoints = new Array(n); - alphaTarget: function(_) { - return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget; - }, + for (i = 0; i < n; ++i) sortedPoints[i] = [+points[i][0], +points[i][1], i]; + sortedPoints.sort(lexicographicOrder); + for (i = 0; i < n; ++i) flippedPoints[i] = [sortedPoints[i][0], -sortedPoints[i][1]]; - velocityDecay: function(_) { - return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay; - }, + var upperIndexes = computeUpperHullIndexes(sortedPoints), + lowerIndexes = computeUpperHullIndexes(flippedPoints); - force: function(name, _) { - return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); - }, + // Construct the hull polygon, removing possible duplicate endpoints. + var skipLeft = lowerIndexes[0] === upperIndexes[0], + skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1], + hull = []; - find: function(x, y, radius) { - var i = 0, - n = nodes.length, - dx, - dy, - d2, - node, - closest; + // Add upper hull in right-to-l order. + // Then add lower hull in left-to-right order. + for (i = upperIndexes.length - 1; i >= 0; --i) hull.push(points[sortedPoints[upperIndexes[i]][2]]); + for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]); - if (radius == null) radius = Infinity; - else radius *= radius; + return hull; +}; - for (i = 0; i < n; ++i) { - node = nodes[i]; - dx = x - node.x; - dy = y - node.y; - d2 = dx * dx + dy * dy; - if (d2 < radius) closest = node, radius = d2; - } +var contains$1 = function(polygon, point) { + var n = polygon.length, + p = polygon[n - 1], + x = point[0], y = point[1], + x0 = p[0], y0 = p[1], + x1, y1, + inside = false; - return closest; - }, + for (var i = 0; i < n; ++i) { + p = polygon[i], x1 = p[0], y1 = p[1]; + if (((y1 > y) !== (y0 > y)) && (x < (x0 - x1) * (y - y1) / (y0 - y1) + x1)) inside = !inside; + x0 = x1, y0 = y1; + } - on: function(name, _) { - return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); - } - }; + return inside; }; -var manyBody = function() { - var nodes, - node, - alpha, - strength = constant$7(-30), - strengths, - distanceMin2 = 1, - distanceMax2 = Infinity, - theta2 = 0.81; +var length$2 = function(polygon) { + var i = -1, + n = polygon.length, + b = polygon[n - 1], + xa, + ya, + xb = b[0], + yb = b[1], + perimeter = 0; - function force(_) { - var i, n = nodes.length, tree = quadtree(nodes, x$2, y$2).visitAfter(accumulate); - for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); + while (++i < n) { + xa = xb; + ya = yb; + b = polygon[i]; + xb = b[0]; + yb = b[1]; + xa -= xb; + ya -= yb; + perimeter += Math.sqrt(xa * xa + ya * ya); } - function initialize() { - if (!nodes) return; - var i, n = nodes.length, node; - strengths = new Array(n); - for (i = 0; i < n; ++i) node = nodes[i], strengths[node.index] = +strength(node, i, nodes); - } + return perimeter; +}; - function accumulate(quad) { - var strength = 0, q, c, x$$1, y$$1, i; +var slice$3 = [].slice; - // For internal nodes, accumulate forces from child quadrants. - if (quad.length) { - for (x$$1 = y$$1 = i = 0; i < 4; ++i) { - if ((q = quad[i]) && (c = q.value)) { - strength += c, x$$1 += c * q.x, y$$1 += c * q.y; - } - } - quad.x = x$$1 / strength; - quad.y = y$$1 / strength; - } +var noabort = {}; - // For leaf nodes, accumulate forces from coincident quadrants. - else { - q = quad; - q.x = q.data.x; - q.y = q.data.y; - do strength += strengths[q.data.index]; - while (q = q.next); - } +function Queue(size) { + if (!(size >= 1)) throw new Error; + this._size = size; + this._call = + this._error = null; + this._tasks = []; + this._data = []; + this._waiting = + this._active = + this._ended = + this._start = 0; // inside a synchronous task callback? +} - quad.value = strength; +Queue.prototype = queue.prototype = { + constructor: Queue, + defer: function(callback) { + if (typeof callback !== "function" || this._call) throw new Error; + if (this._error != null) return this; + var t = slice$3.call(arguments, 1); + t.push(callback); + ++this._waiting, this._tasks.push(t); + poke$1(this); + return this; + }, + abort: function() { + if (this._error == null) abort(this, new Error("abort")); + return this; + }, + await: function(callback) { + if (typeof callback !== "function" || this._call) throw new Error; + this._call = function(error, results) { callback.apply(null, [error].concat(results)); }; + maybeNotify(this); + return this; + }, + awaitAll: function(callback) { + if (typeof callback !== "function" || this._call) throw new Error; + this._call = callback; + maybeNotify(this); + return this; } +}; - function apply(quad, x1, _, x2) { - if (!quad.value) return true; - - var x$$1 = quad.x - node.x, - y$$1 = quad.y - node.y, - w = x2 - x1, - l = x$$1 * x$$1 + y$$1 * y$$1; - - // Apply the Barnes-Hut approximation if possible. - // Limit forces for very close nodes; randomize direction if coincident. - if (w * w / theta2 < l) { - if (l < distanceMax2) { - if (x$$1 === 0) x$$1 = jiggle(), l += x$$1 * x$$1; - if (y$$1 === 0) y$$1 = jiggle(), l += y$$1 * y$$1; - if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); - node.vx += x$$1 * quad.value * alpha / l; - node.vy += y$$1 * quad.value * alpha / l; - } - return true; +function poke$1(q) { + if (!q._start) { + try { start$1(q); } // let the current task complete + catch (e) { + if (q._tasks[q._ended + q._active - 1]) abort(q, e); // task errored synchronously + else if (!q._data) throw e; // await callback errored synchronously } + } +} - // Otherwise, process points directly. - else if (quad.length || l >= distanceMax2) return; +function start$1(q) { + while (q._start = q._waiting && q._active < q._size) { + var i = q._ended + q._active, + t = q._tasks[i], + j = t.length - 1, + c = t[j]; + t[j] = end(q, i); + --q._waiting, ++q._active; + t = c.apply(null, t); + if (!q._tasks[i]) continue; // task finished synchronously + q._tasks[i] = t || noabort; + } +} - // Limit forces for very close nodes; randomize direction if coincident. - if (quad.data !== node || quad.next) { - if (x$$1 === 0) x$$1 = jiggle(), l += x$$1 * x$$1; - if (y$$1 === 0) y$$1 = jiggle(), l += y$$1 * y$$1; - if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); +function end(q, i) { + return function(e, r) { + if (!q._tasks[i]) return; // ignore multiple callbacks + --q._active, ++q._ended; + q._tasks[i] = null; + if (q._error != null) return; // ignore secondary errors + if (e != null) { + abort(q, e); + } else { + q._data[i] = r; + if (q._waiting) poke$1(q); + else maybeNotify(q); } + }; +} - do if (quad.data !== node) { - w = strengths[quad.data.index] * alpha / l; - node.vx += x$$1 * w; - node.vy += y$$1 * w; - } while (quad = quad.next); - } +function abort(q, e) { + var i = q._tasks.length, t; + q._error = e; // ignore active callbacks + q._data = undefined; // allow gc + q._waiting = NaN; // prevent starting - force.initialize = function(_) { - nodes = _; - initialize(); - }; + while (--i >= 0) { + if (t = q._tasks[i]) { + q._tasks[i] = null; + if (t.abort) { + try { t.abort(); } + catch (e) { /* ignore */ } + } + } + } - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; - }; + q._active = NaN; // allow notification + maybeNotify(q); +} - force.distanceMin = function(_) { - return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2); - }; +function maybeNotify(q) { + if (!q._active && q._call) { + var d = q._data; + q._data = undefined; // allow gc + q._call(q._error, d); + } +} - force.distanceMax = function(_) { - return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2); - }; +function queue(concurrency) { + return new Queue(arguments.length ? +concurrency : Infinity); +} - force.theta = function(_) { - return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2); +var uniform = function(min, max) { + min = min == null ? 0 : +min; + max = max == null ? 1 : +max; + if (arguments.length === 1) max = min, min = 0; + else max -= min; + return function() { + return Math.random() * max + min; }; - - return force; }; -var x$3 = function(x) { - var strength = constant$7(0.1), - nodes, - strengths, - xz; +var normal = function(mu, sigma) { + var x, r; + mu = mu == null ? 0 : +mu; + sigma = sigma == null ? 1 : +sigma; + return function() { + var y; - if (typeof x !== "function") x = constant$7(x == null ? 0 : +x); + // If available, use the second previously-generated uniform random. + if (x != null) y = x, x = null; - function force(alpha) { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha; - } - } + // Otherwise, generate a new x and y. + else do { + x = Math.random() * 2 - 1; + y = Math.random() * 2 - 1; + r = x * x + y * y; + } while (!r || r > 1); - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - xz = new Array(n); - for (i = 0; i < n; ++i) { - strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); - } - } + return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); + }; +}; - force.initialize = function(_) { - nodes = _; - initialize(); +var logNormal = function() { + var randomNormal = normal.apply(this, arguments); + return function() { + return Math.exp(randomNormal()); }; +}; - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; +var irwinHall = function(n) { + return function() { + for (var sum = 0, i = 0; i < n; ++i) sum += Math.random(); + return sum; }; +}; - force.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : x; +var bates = function(n) { + var randomIrwinHall = irwinHall(n); + return function() { + return randomIrwinHall() / n; }; +}; - return force; +var exponential$1 = function(lambda) { + return function() { + return -Math.log(1 - Math.random()) / lambda; + }; }; -var y$3 = function(y) { - var strength = constant$7(0.1), - nodes, - strengths, - yz; +var request = function(url, callback) { + var request, + event = dispatch("beforesend", "progress", "load", "error"), + mimeType, + headers = map$1(), + xhr = new XMLHttpRequest, + user = null, + password = null, + response, + responseType, + timeout = 0; - if (typeof y !== "function") y = constant$7(y == null ? 0 : +y); + // If IE does not support CORS, use XDomainRequest. + if (typeof XDomainRequest !== "undefined" + && !("withCredentials" in xhr) + && /^(http(s)?:)?\/\//.test(url)) xhr = new XDomainRequest; - function force(alpha) { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha; - } - } + "onload" in xhr + ? xhr.onload = xhr.onerror = xhr.ontimeout = respond + : xhr.onreadystatechange = function(o) { xhr.readyState > 3 && respond(o); }; - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - yz = new Array(n); - for (i = 0; i < n; ++i) { - strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + function respond(o) { + var status = xhr.status, result; + if (!status && hasResponse(xhr) + || status >= 200 && status < 300 + || status === 304) { + if (response) { + try { + result = response.call(request, xhr); + } catch (e) { + event.call("error", request, e); + return; + } + } else { + result = xhr; + } + event.call("load", request, result); + } else { + event.call("error", request, o); } } - force.initialize = function(_) { - nodes = _; - initialize(); + xhr.onprogress = function(e) { + event.call("progress", request, e); }; - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; - }; + request = { + header: function(name, value) { + name = (name + "").toLowerCase(); + if (arguments.length < 2) return headers.get(name); + if (value == null) headers.remove(name); + else headers.set(name, value + ""); + return request; + }, - force.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : y; - }; + // If mimeType is non-null and no Accept header is set, a default is used. + mimeType: function(value) { + if (!arguments.length) return mimeType; + mimeType = value == null ? null : value + ""; + return request; + }, - return force; -}; + // Specifies what type the response value should take; + // for instance, arraybuffer, blob, document, or text. + responseType: function(value) { + if (!arguments.length) return responseType; + responseType = value; + return request; + }, -function nopropagation() { - exports.event.stopImmediatePropagation(); -} + timeout: function(value) { + if (!arguments.length) return timeout; + timeout = +value; + return request; + }, -var noevent = function() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); -}; + user: function(value) { + return arguments.length < 1 ? user : (user = value == null ? null : value + "", request); + }, -var dragDisable = function(view) { - var root = view.document.documentElement, - selection$$1 = select(view).on("dragstart.drag", noevent, true); - if ("onselectstart" in root) { - selection$$1.on("selectstart.drag", noevent, true); - } else { - root.__noselect = root.style.MozUserSelect; - root.style.MozUserSelect = "none"; - } -}; + password: function(value) { + return arguments.length < 1 ? password : (password = value == null ? null : value + "", request); + }, -function yesdrag(view, noclick) { - var root = view.document.documentElement, - selection$$1 = select(view).on("dragstart.drag", null); - if (noclick) { - selection$$1.on("click.drag", noevent, true); - setTimeout(function() { selection$$1.on("click.drag", null); }, 0); - } - if ("onselectstart" in root) { - selection$$1.on("selectstart.drag", null); - } else { - root.style.MozUserSelect = root.__noselect; - delete root.__noselect; - } -} + // Specify how to convert the response content to a specific type; + // changes the callback value on "load" events. + response: function(value) { + response = value; + return request; + }, + + // Alias for send("GET", …). + get: function(data, callback) { + return request.send("GET", data, callback); + }, + + // Alias for send("POST", …). + post: function(data, callback) { + return request.send("POST", data, callback); + }, + + // If callback is non-null, it will be used for error and load events. + send: function(method, data, callback) { + xhr.open(method, url, true, user, password); + if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*"); + if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); }); + if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType); + if (responseType != null) xhr.responseType = responseType; + if (timeout > 0) xhr.timeout = timeout; + if (callback == null && typeof data === "function") callback = data, data = null; + if (callback != null && callback.length === 1) callback = fixCallback(callback); + if (callback != null) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); }); + event.call("beforesend", request, xhr); + xhr.send(data == null ? null : data); + return request; + }, + + abort: function() { + xhr.abort(); + return request; + }, -var constant$8 = function(x) { - return function() { - return x; + on: function() { + var value = event.on.apply(event, arguments); + return value === event ? request : value; + } }; -}; -function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) { - this.target = target; - this.type = type; - this.subject = subject; - this.identifier = id; - this.active = active; - this.x = x; - this.y = y; - this.dx = dx; - this.dy = dy; - this._ = dispatch; -} + if (callback != null) { + if (typeof callback !== "function") throw new Error("invalid callback: " + callback); + return request.get(callback); + } -DragEvent.prototype.on = function() { - var value = this._.on.apply(this._, arguments); - return value === this._ ? this : value; + return request; }; -// Ignore right-click, since that should open the context menu. -function defaultFilter() { - return !exports.event.button; +function fixCallback(callback) { + return function(error, xhr) { + callback(error == null ? xhr : null); + }; } -function defaultContainer() { - return this.parentNode; +function hasResponse(xhr) { + var type = xhr.responseType; + return type && type !== "text" + ? xhr.response // null on error + : xhr.responseText; // "" on error } -function defaultSubject(d) { - return d == null ? {x: exports.event.x, y: exports.event.y} : d; -} +var type$1 = function(defaultMimeType, response) { + return function(url, callback) { + var r = request(url).mimeType(defaultMimeType).response(response); + if (callback != null) { + if (typeof callback !== "function") throw new Error("invalid callback: " + callback); + return r.get(callback); + } + return r; + }; +}; -var drag = function() { - var filter = defaultFilter, - container = defaultContainer, - subject = defaultSubject, - gestures = {}, - listeners = dispatch("start", "drag", "end"), - active = 0, - mousemoving, - touchending; +var html = type$1("text/html", function(xhr) { + return document.createRange().createContextualFragment(xhr.responseText); +}); - function drag(selection$$1) { - selection$$1 - .on("mousedown.drag", mousedowned) - .on("touchstart.drag", touchstarted) - .on("touchmove.drag", touchmoved) - .on("touchend.drag touchcancel.drag", touchended) - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); - } +var json = type$1("application/json", function(xhr) { + return JSON.parse(xhr.responseText); +}); - function mousedowned() { - if (touchending || !filter.apply(this, arguments)) return; - var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments); - if (!gesture) return; - select(exports.event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); - dragDisable(exports.event.view); - nopropagation(); - mousemoving = false; - gesture("start"); - } +var text = type$1("text/plain", function(xhr) { + return xhr.responseText; +}); - function mousemoved() { - noevent(); - mousemoving = true; - gestures.mouse("drag"); - } +var xml = type$1("application/xml", function(xhr) { + var xml = xhr.responseXML; + if (!xml) throw new Error("parse error"); + return xml; +}); - function mouseupped() { - select(exports.event.view).on("mousemove.drag mouseup.drag", null); - yesdrag(exports.event.view, mousemoving); - noevent(); - gestures.mouse("end"); - } +var dsv$1 = function(defaultMimeType, parse) { + return function(url, row, callback) { + if (arguments.length < 3) callback = row, row = null; + var r = request(url).mimeType(defaultMimeType); + r.row = function(_) { return arguments.length ? r.response(responseOf(parse, row = _)) : row; }; + r.row(row); + return callback ? r.get(callback) : r; + }; +}; - function touchstarted() { - if (!filter.apply(this, arguments)) return; - var touches$$1 = exports.event.changedTouches, - c = container.apply(this, arguments), - n = touches$$1.length, i, gesture; +function responseOf(parse, row) { + return function(request$$1) { + return parse(request$$1.responseText, row); + }; +} - for (i = 0; i < n; ++i) { - if (gesture = beforestart(touches$$1[i].identifier, c, touch, this, arguments)) { - nopropagation(); - gesture("start"); - } - } - } +var csv$1 = dsv$1("text/csv", csvParse); - function touchmoved() { - var touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, gesture; +var tsv$1 = dsv$1("text/tab-separated-values", tsvParse); - for (i = 0; i < n; ++i) { - if (gesture = gestures[touches$$1[i].identifier]) { - noevent(); - gesture("drag"); - } - } - } +var array$2 = Array.prototype; - function touchended() { - var touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, gesture; +var map$3 = array$2.map; +var slice$4 = array$2.slice; - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! - for (i = 0; i < n; ++i) { - if (gesture = gestures[touches$$1[i].identifier]) { - nopropagation(); - gesture("end"); - } - } - } +var implicit = {name: "implicit"}; - function beforestart(id, container, point, that, args) { - var p = point(container, id), s, dx, dy, - sublisteners = listeners.copy(); +function ordinal(range) { + var index = map$1(), + domain = [], + unknown = implicit; - if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { - if ((exports.event.subject = s = subject.apply(that, args)) == null) return false; - dx = s.x - p[0] || 0; - dy = s.y - p[1] || 0; - return true; - })) return; + range = range == null ? [] : slice$4.call(range); - return function gesture(type) { - var p0 = p, n; - switch (type) { - case "start": gestures[id] = gesture, n = active++; break; - case "end": delete gestures[id], --active; // nobreak - case "drag": p = point(container, id), n = active; break; - } - customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); - }; + function scale(d) { + var key = d + "", i = index.get(key); + if (!i) { + if (unknown !== implicit) return unknown; + index.set(key, i = domain.push(d)); + } + return range[(i - 1) % range.length]; } - drag.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$8(!!_), drag) : filter; + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = [], index = map$1(); + var i = -1, n = _.length, d, key; + while (++i < n) if (!index.has(key = (d = _[i]) + "")) index.set(key, domain.push(d)); + return scale; }; - drag.container = function(_) { - return arguments.length ? (container = typeof _ === "function" ? _ : constant$8(_), drag) : container; + scale.range = function(_) { + return arguments.length ? (range = slice$4.call(_), scale) : range.slice(); }; - drag.subject = function(_) { - return arguments.length ? (subject = typeof _ === "function" ? _ : constant$8(_), drag) : subject; + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; }; - drag.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? drag : value; + scale.copy = function() { + return ordinal() + .domain(domain) + .range(range) + .unknown(unknown); }; - return drag; -}; + return scale; +} -var constant$9 = function(x) { - return function() { - return x; - }; -}; +function band() { + var scale = ordinal().unknown(undefined), + domain = scale.domain, + ordinalRange = scale.range, + range$$1 = [0, 1], + step, + bandwidth, + round = false, + paddingInner = 0, + paddingOuter = 0, + align = 0.5; -function x$4(d) { - return d[0]; -} + delete scale.unknown; -function y$4(d) { - return d[1]; -} + function rescale() { + var n = domain().length, + reverse = range$$1[1] < range$$1[0], + start = range$$1[reverse - 0], + stop = range$$1[1 - reverse]; + step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); + if (round) step = Math.floor(step); + start += (stop - start - step * (n - paddingInner)) * align; + bandwidth = step * (1 - paddingInner); + if (round) start = Math.round(start), bandwidth = Math.round(bandwidth); + var values = sequence(n).map(function(i) { return start + step * i; }); + return ordinalRange(reverse ? values.reverse() : values); + } -function RedBlackTree() { - this._ = null; // root node -} + scale.domain = function(_) { + return arguments.length ? (domain(_), rescale()) : domain(); + }; -function RedBlackNode(node) { - node.U = // parent node - node.C = // color - true for red, false for black - node.L = // left node - node.R = // right node - node.P = // previous node - node.N = null; // next node -} + scale.range = function(_) { + return arguments.length ? (range$$1 = [+_[0], +_[1]], rescale()) : range$$1.slice(); + }; -RedBlackTree.prototype = { - constructor: RedBlackTree, + scale.rangeRound = function(_) { + return range$$1 = [+_[0], +_[1]], round = true, rescale(); + }; - insert: function(after, node) { - var parent, grandpa, uncle; + scale.bandwidth = function() { + return bandwidth; + }; - if (after) { - node.P = after; - node.N = after.N; - if (after.N) after.N.P = node; - after.N = node; - if (after.R) { - after = after.R; - while (after.L) after = after.L; - after.L = node; - } else { - after.R = node; - } - parent = after; - } else if (this._) { - after = RedBlackFirst(this._); - node.P = null; - node.N = after; - after.P = after.L = node; - parent = after; - } else { - node.P = node.N = null; - this._ = node; - parent = null; - } - node.L = node.R = null; - node.U = parent; - node.C = true; + scale.step = function() { + return step; + }; - after = node; - while (parent && parent.C) { - grandpa = parent.U; - if (parent === grandpa.L) { - uncle = grandpa.R; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.R) { - RedBlackRotateLeft(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - RedBlackRotateRight(this, grandpa); - } - } else { - uncle = grandpa.L; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.L) { - RedBlackRotateRight(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - RedBlackRotateLeft(this, grandpa); - } - } - parent = after.U; - } - this._.C = false; - }, + scale.round = function(_) { + return arguments.length ? (round = !!_, rescale()) : round; + }; - remove: function(node) { - if (node.N) node.N.P = node.P; - if (node.P) node.P.N = node.N; - node.N = node.P = null; + scale.padding = function(_) { + return arguments.length ? (paddingInner = paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; + }; - var parent = node.U, - sibling, - left = node.L, - right = node.R, - next, - red; + scale.paddingInner = function(_) { + return arguments.length ? (paddingInner = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; + }; - if (!left) next = right; - else if (!right) next = left; - else next = RedBlackFirst(right); + scale.paddingOuter = function(_) { + return arguments.length ? (paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingOuter; + }; - if (parent) { - if (parent.L === node) parent.L = next; - else parent.R = next; - } else { - this._ = next; - } + scale.align = function(_) { + return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align; + }; - if (left && right) { - red = next.C; - next.C = node.C; - next.L = left; - left.U = next; - if (next !== right) { - parent = next.U; - next.U = node.U; - node = next.R; - parent.L = node; - next.R = right; - right.U = next; - } else { - next.U = parent; - parent = next; - node = next.R; - } - } else { - red = node.C; - node = next; - } + scale.copy = function() { + return band() + .domain(domain()) + .range(range$$1) + .round(round) + .paddingInner(paddingInner) + .paddingOuter(paddingOuter) + .align(align); + }; - if (node) node.U = parent; - if (red) return; - if (node && node.C) { node.C = false; return; } + return rescale(); +} - do { - if (node === this._) break; - if (node === parent.L) { - sibling = parent.R; - if (sibling.C) { - sibling.C = false; - parent.C = true; - RedBlackRotateLeft(this, parent); - sibling = parent.R; - } - if ((sibling.L && sibling.L.C) - || (sibling.R && sibling.R.C)) { - if (!sibling.R || !sibling.R.C) { - sibling.L.C = false; - sibling.C = true; - RedBlackRotateRight(this, sibling); - sibling = parent.R; - } - sibling.C = parent.C; - parent.C = sibling.R.C = false; - RedBlackRotateLeft(this, parent); - node = this._; - break; - } - } else { - sibling = parent.L; - if (sibling.C) { - sibling.C = false; - parent.C = true; - RedBlackRotateRight(this, parent); - sibling = parent.L; - } - if ((sibling.L && sibling.L.C) - || (sibling.R && sibling.R.C)) { - if (!sibling.L || !sibling.L.C) { - sibling.R.C = false; - sibling.C = true; - RedBlackRotateLeft(this, sibling); - sibling = parent.L; - } - sibling.C = parent.C; - parent.C = sibling.L.C = false; - RedBlackRotateRight(this, parent); - node = this._; - break; - } - } - sibling.C = true; - node = parent; - parent = parent.U; - } while (!node.C); +function pointish(scale) { + var copy = scale.copy; - if (node) node.C = false; - } -}; + scale.padding = scale.paddingOuter; + delete scale.paddingInner; + delete scale.paddingOuter; -function RedBlackRotateLeft(tree, node) { - var p = node, - q = node.R, - parent = p.U; + scale.copy = function() { + return pointish(copy()); + }; - if (parent) { - if (parent.L === p) parent.L = q; - else parent.R = q; - } else { - tree._ = q; - } + return scale; +} - q.U = parent; - p.U = q; - p.R = q.L; - if (p.R) p.R.U = p; - q.L = p; +function point$1() { + return pointish(band().paddingInner(1)); } -function RedBlackRotateRight(tree, node) { - var p = node, - q = node.L, - parent = p.U; +var constant$9 = function(x) { + return function() { + return x; + }; +}; - if (parent) { - if (parent.L === p) parent.L = q; - else parent.R = q; - } else { - tree._ = q; - } +var number$1 = function(x) { + return +x; +}; - q.U = parent; - p.U = q; - p.L = q.R; - if (p.L) p.L.U = p; - q.R = p; -} +var unit = [0, 1]; -function RedBlackFirst(node) { - while (node.L) node = node.L; - return node; +function deinterpolateLinear(a, b) { + return (b -= (a = +a)) + ? function(x) { return (x - a) / b; } + : constant$9(b); } -function createEdge(left, right, v0, v1) { - var edge = [null, null], - index = edges.push(edge) - 1; - edge.left = left; - edge.right = right; - if (v0) setEdgeEnd(edge, left, right, v0); - if (v1) setEdgeEnd(edge, right, left, v1); - cells[left.index].halfedges.push(index); - cells[right.index].halfedges.push(index); - return edge; +function deinterpolateClamp(deinterpolate) { + return function(a, b) { + var d = deinterpolate(a = +a, b = +b); + return function(x) { return x <= a ? 0 : x >= b ? 1 : d(x); }; + }; } -function createBorderEdge(left, v0, v1) { - var edge = [v0, v1]; - edge.left = left; - return edge; +function reinterpolateClamp(reinterpolate) { + return function(a, b) { + var r = reinterpolate(a = +a, b = +b); + return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; + }; } -function setEdgeEnd(edge, left, right, vertex) { - if (!edge[0] && !edge[1]) { - edge[0] = vertex; - edge.left = left; - edge.right = right; - } else if (edge.left === right) { - edge[1] = vertex; - } else { - edge[0] = vertex; - } +function bimap(domain, range$$1, deinterpolate, reinterpolate) { + var d0 = domain[0], d1 = domain[1], r0 = range$$1[0], r1 = range$$1[1]; + if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); + else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); + return function(x) { return r0(d0(x)); }; } -// Liang–Barsky line clipping. -function clipEdge(edge, x0, y0, x1, y1) { - var a = edge[0], - b = edge[1], - ax = a[0], - ay = a[1], - bx = b[0], - by = b[1], - t0 = 0, - t1 = 1, - dx = bx - ax, - dy = by - ay, - r; +function polymap(domain, range$$1, deinterpolate, reinterpolate) { + var j = Math.min(domain.length, range$$1.length) - 1, + d = new Array(j), + r = new Array(j), + i = -1; - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; + // Reverse descending domains. + if (domain[j] < domain[0]) { + domain = domain.slice().reverse(); + range$$1 = range$$1.slice().reverse(); } - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; + while (++i < j) { + d[i] = deinterpolate(domain[i], domain[i + 1]); + r[i] = reinterpolate(range$$1[i], range$$1[i + 1]); } - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; + return function(x) { + var i = bisectRight(domain, x, 1, j) - 1; + return r[i](d[i](x)); + }; +} + +function copy(source, target) { + return target + .domain(source.domain()) + .range(source.range()) + .interpolate(source.interpolate()) + .clamp(source.clamp()); +} + +// deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. +// reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. +function continuous(deinterpolate, reinterpolate) { + var domain = unit, + range$$1 = unit, + interpolate$$1 = interpolateValue, + clamp = false, + piecewise, + output, + input; + + function rescale() { + piecewise = Math.min(domain.length, range$$1.length) > 2 ? polymap : bimap; + output = input = null; + return scale; } - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; + function scale(x) { + return (output || (output = piecewise(domain, range$$1, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x); } - if (!(t0 > 0) && !(t1 < 1)) return true; // TODO Better check? + scale.invert = function(y) { + return (input || (input = piecewise(range$$1, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); + }; - if (t0 > 0) edge[0] = [ax + t0 * dx, ay + t0 * dy]; - if (t1 < 1) edge[1] = [ax + t1 * dx, ay + t1 * dy]; - return true; -} + scale.domain = function(_) { + return arguments.length ? (domain = map$3.call(_, number$1), rescale()) : domain.slice(); + }; -function connectEdge(edge, x0, y0, x1, y1) { - var v1 = edge[1]; - if (v1) return true; + scale.range = function(_) { + return arguments.length ? (range$$1 = slice$4.call(_), rescale()) : range$$1.slice(); + }; - var v0 = edge[0], - left = edge.left, - right = edge.right, - lx = left[0], - ly = left[1], - rx = right[0], - ry = right[1], - fx = (lx + rx) / 2, - fy = (ly + ry) / 2, - fm, - fb; + scale.rangeRound = function(_) { + return range$$1 = slice$4.call(_), interpolate$$1 = interpolateRound, rescale(); + }; - if (ry === ly) { - if (fx < x0 || fx >= x1) return; - if (lx > rx) { - if (!v0) v0 = [fx, y0]; - else if (v0[1] >= y1) return; - v1 = [fx, y1]; - } else { - if (!v0) v0 = [fx, y1]; - else if (v0[1] < y0) return; - v1 = [fx, y0]; + scale.clamp = function(_) { + return arguments.length ? (clamp = !!_, rescale()) : clamp; + }; + + scale.interpolate = function(_) { + return arguments.length ? (interpolate$$1 = _, rescale()) : interpolate$$1; + }; + + return rescale(); +} + +var tickFormat = function(domain, count, specifier) { + var start = domain[0], + stop = domain[domain.length - 1], + step = tickStep(start, stop, count == null ? 10 : count), + precision; + specifier = formatSpecifier(specifier == null ? ",f" : specifier); + switch (specifier.type) { + case "s": { + var value = Math.max(Math.abs(start), Math.abs(stop)); + if (specifier.precision == null && !isNaN(precision = precisionPrefix(step, value))) specifier.precision = precision; + return exports.formatPrefix(specifier, value); } - } else { - fm = (lx - rx) / (ry - ly); - fb = fy - fm * fx; - if (fm < -1 || fm > 1) { - if (lx > rx) { - if (!v0) v0 = [(y0 - fb) / fm, y0]; - else if (v0[1] >= y1) return; - v1 = [(y1 - fb) / fm, y1]; - } else { - if (!v0) v0 = [(y1 - fb) / fm, y1]; - else if (v0[1] < y0) return; - v1 = [(y0 - fb) / fm, y0]; - } - } else { - if (ly < ry) { - if (!v0) v0 = [x0, fm * x0 + fb]; - else if (v0[0] >= x1) return; - v1 = [x1, fm * x1 + fb]; - } else { - if (!v0) v0 = [x1, fm * x1 + fb]; - else if (v0[0] < x0) return; - v1 = [x0, fm * x0 + fb]; - } + case "": + case "e": + case "g": + case "p": + case "r": { + if (specifier.precision == null && !isNaN(precision = precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === "e"); + break; + } + case "f": + case "%": { + if (specifier.precision == null && !isNaN(precision = precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2; + break; } } + return exports.format(specifier); +}; - edge[0] = v0; - edge[1] = v1; - return true; -} +function linearish(scale) { + var domain = scale.domain; -function clipEdges(x0, y0, x1, y1) { - var i = edges.length, - edge; + scale.ticks = function(count) { + var d = domain(); + return ticks(d[0], d[d.length - 1], count == null ? 10 : count); + }; + + scale.tickFormat = function(count, specifier) { + return tickFormat(domain(), count, specifier); + }; + + scale.nice = function(count) { + var d = domain(), + i = d.length - 1, + n = count == null ? 10 : count, + start = d[0], + stop = d[i], + step = tickStep(start, stop, n); - while (i--) { - if (!connectEdge(edge = edges[i], x0, y0, x1, y1) - || !clipEdge(edge, x0, y0, x1, y1) - || !(Math.abs(edge[0][0] - edge[1][0]) > epsilon$3 - || Math.abs(edge[0][1] - edge[1][1]) > epsilon$3)) { - delete edges[i]; + if (step) { + step = tickStep(Math.floor(start / step) * step, Math.ceil(stop / step) * step, n); + d[0] = Math.floor(start / step) * step; + d[i] = Math.ceil(stop / step) * step; + domain(d); } - } -} -function createCell(site) { - return cells[site.index] = { - site: site, - halfedges: [] + return scale; }; -} -function cellHalfedgeAngle(cell, edge) { - var site = cell.site, - va = edge.left, - vb = edge.right; - if (site === vb) vb = va, va = site; - if (vb) return Math.atan2(vb[1] - va[1], vb[0] - va[0]); - if (site === va) va = edge[1], vb = edge[0]; - else va = edge[0], vb = edge[1]; - return Math.atan2(va[0] - vb[0], vb[1] - va[1]); + return scale; } -function cellHalfedgeStart(cell, edge) { - return edge[+(edge.left !== cell.site)]; -} +function linear$2() { + var scale = continuous(deinterpolateLinear, reinterpolate); -function cellHalfedgeEnd(cell, edge) { - return edge[+(edge.left === cell.site)]; -} + scale.copy = function() { + return copy(scale, linear$2()); + }; -function sortCellHalfedges() { - for (var i = 0, n = cells.length, cell, halfedges, j, m; i < n; ++i) { - if ((cell = cells[i]) && (m = (halfedges = cell.halfedges).length)) { - var index = new Array(m), - array = new Array(m); - for (j = 0; j < m; ++j) index[j] = j, array[j] = cellHalfedgeAngle(cell, edges[halfedges[j]]); - index.sort(function(i, j) { return array[j] - array[i]; }); - for (j = 0; j < m; ++j) array[j] = halfedges[index[j]]; - for (j = 0; j < m; ++j) halfedges[j] = array[j]; - } - } + return linearish(scale); } -function clipCells(x0, y0, x1, y1) { - var nCells = cells.length, - iCell, - cell, - site, - iHalfedge, - halfedges, - nHalfedges, - start, - startX, - startY, - end, - endX, - endY, - cover = true; +function identity$6() { + var domain = [0, 1]; - for (iCell = 0; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - site = cell.site; - halfedges = cell.halfedges; - iHalfedge = halfedges.length; + function scale(x) { + return +x; + } - // Remove any dangling clipped edges. - while (iHalfedge--) { - if (!edges[halfedges[iHalfedge]]) { - halfedges.splice(iHalfedge, 1); - } - } + scale.invert = scale; - // Insert any border edges as necessary. - iHalfedge = 0, nHalfedges = halfedges.length; - while (iHalfedge < nHalfedges) { - end = cellHalfedgeEnd(cell, edges[halfedges[iHalfedge]]), endX = end[0], endY = end[1]; - start = cellHalfedgeStart(cell, edges[halfedges[++iHalfedge % nHalfedges]]), startX = start[0], startY = start[1]; - if (Math.abs(endX - startX) > epsilon$3 || Math.abs(endY - startY) > epsilon$3) { - halfedges.splice(iHalfedge, 0, edges.push(createBorderEdge(site, end, - Math.abs(endX - x0) < epsilon$3 && y1 - endY > epsilon$3 ? [x0, Math.abs(startX - x0) < epsilon$3 ? startY : y1] - : Math.abs(endY - y1) < epsilon$3 && x1 - endX > epsilon$3 ? [Math.abs(startY - y1) < epsilon$3 ? startX : x1, y1] - : Math.abs(endX - x1) < epsilon$3 && endY - y0 > epsilon$3 ? [x1, Math.abs(startX - x1) < epsilon$3 ? startY : y0] - : Math.abs(endY - y0) < epsilon$3 && endX - x0 > epsilon$3 ? [Math.abs(startY - y0) < epsilon$3 ? startX : x0, y0] - : null)) - 1); - ++nHalfedges; - } - } + scale.domain = scale.range = function(_) { + return arguments.length ? (domain = map$3.call(_, number$1), scale) : domain.slice(); + }; - if (nHalfedges) cover = false; - } - } + scale.copy = function() { + return identity$6().domain(domain); + }; - // If there weren’t any edges, have the closest site cover the extent. - // It doesn’t matter which corner of the extent we measure! - if (cover) { - var dx, dy, d2, dc = Infinity; + return linearish(scale); +} - for (iCell = 0, cover = null; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - site = cell.site; - dx = site[0] - x0; - dy = site[1] - y0; - d2 = dx * dx + dy * dy; - if (d2 < dc) dc = d2, cover = cell; - } - } +var nice = function(domain, interval) { + domain = domain.slice(); - if (cover) { - var v00 = [x0, y0], v01 = [x0, y1], v11 = [x1, y1], v10 = [x1, y0]; - cover.halfedges.push( - edges.push(createBorderEdge(site = cover.site, v00, v01)) - 1, - edges.push(createBorderEdge(site, v01, v11)) - 1, - edges.push(createBorderEdge(site, v11, v10)) - 1, - edges.push(createBorderEdge(site, v10, v00)) - 1 - ); - } - } + var i0 = 0, + i1 = domain.length - 1, + x0 = domain[i0], + x1 = domain[i1], + t; - // Lastly delete any cells with no edges; these were entirely clipped. - for (iCell = 0; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - if (!cell.halfedges.length) { - delete cells[iCell]; - } - } + if (x1 < x0) { + t = i0, i0 = i1, i1 = t; + t = x0, x0 = x1, x1 = t; } -} -var circlePool = []; + domain[i0] = interval.floor(x0); + domain[i1] = interval.ceil(x1); + return domain; +}; -var firstCircle; +function deinterpolate(a, b) { + return (b = Math.log(b / a)) + ? function(x) { return Math.log(x / a) / b; } + : constant$9(b); +} -function Circle() { - RedBlackNode(this); - this.x = - this.y = - this.arc = - this.site = - this.cy = null; +function reinterpolate$1(a, b) { + return a < 0 + ? function(t) { return -Math.pow(-b, t) * Math.pow(-a, 1 - t); } + : function(t) { return Math.pow(b, t) * Math.pow(a, 1 - t); }; } -function attachCircle(arc) { - var lArc = arc.P, - rArc = arc.N; +function pow10(x) { + return isFinite(x) ? +("1e" + x) : x < 0 ? 0 : x; +} - if (!lArc || !rArc) return; +function powp(base) { + return base === 10 ? pow10 + : base === Math.E ? Math.exp + : function(x) { return Math.pow(base, x); }; +} - var lSite = lArc.site, - cSite = arc.site, - rSite = rArc.site; +function logp(base) { + return base === Math.E ? Math.log + : base === 10 && Math.log10 + || base === 2 && Math.log2 + || (base = Math.log(base), function(x) { return Math.log(x) / base; }); +} - if (lSite === rSite) return; +function reflect(f) { + return function(x) { + return -f(-x); + }; +} - var bx = cSite[0], - by = cSite[1], - ax = lSite[0] - bx, - ay = lSite[1] - by, - cx = rSite[0] - bx, - cy = rSite[1] - by; +function log$1() { + var scale = continuous(deinterpolate, reinterpolate$1).domain([1, 10]), + domain = scale.domain, + base = 10, + logs = logp(10), + pows = powp(10); - var d = 2 * (ax * cy - ay * cx); - if (d >= -epsilon2$1) return; + function rescale() { + logs = logp(base), pows = powp(base); + if (domain()[0] < 0) logs = reflect(logs), pows = reflect(pows); + return scale; + } - var ha = ax * ax + ay * ay, - hc = cx * cx + cy * cy, - x = (cy * ha - ay * hc) / d, - y = (ax * hc - cx * ha) / d; + scale.base = function(_) { + return arguments.length ? (base = +_, rescale()) : base; + }; - var circle = circlePool.pop() || new Circle; - circle.arc = arc; - circle.site = cSite; - circle.x = x + bx; - circle.y = (circle.cy = y + by) + Math.sqrt(x * x + y * y); // y bottom + scale.domain = function(_) { + return arguments.length ? (domain(_), rescale()) : domain(); + }; - arc.circle = circle; + scale.ticks = function(count) { + var d = domain(), + u = d[0], + v = d[d.length - 1], + r; - var before = null, - node = circles._; + if (r = v < u) i = u, u = v, v = i; - while (node) { - if (circle.y < node.y || (circle.y === node.y && circle.x <= node.x)) { - if (node.L) node = node.L; - else { before = node.P; break; } + var i = logs(u), + j = logs(v), + p, + k, + t, + n = count == null ? 10 : +count, + z = []; + + if (!(base % 1) && j - i < n) { + i = Math.round(i) - 1, j = Math.round(j) + 1; + if (u > 0) for (; i < j; ++i) { + for (k = 1, p = pows(i); k < base; ++k) { + t = p * k; + if (t < u) continue; + if (t > v) break; + z.push(t); + } + } else for (; i < j; ++i) { + for (k = base - 1, p = pows(i); k >= 1; --k) { + t = p * k; + if (t < u) continue; + if (t > v) break; + z.push(t); + } + } } else { - if (node.R) node = node.R; - else { before = node; break; } + z = ticks(i, j, Math.min(j - i, n)).map(pows); } - } - circles.insert(before, circle); - if (!before) firstCircle = circle; -} + return r ? z.reverse() : z; + }; -function detachCircle(arc) { - var circle = arc.circle; - if (circle) { - if (!circle.P) firstCircle = circle.N; - circles.remove(circle); - circlePool.push(circle); - RedBlackNode(circle); - arc.circle = null; - } -} + scale.tickFormat = function(count, specifier) { + if (specifier == null) specifier = base === 10 ? ".0e" : ","; + if (typeof specifier !== "function") specifier = exports.format(specifier); + if (count === Infinity) return specifier; + if (count == null) count = 10; + var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate? + return function(d) { + var i = d / pows(Math.round(logs(d))); + if (i * base < base - 0.5) i *= base; + return i <= k ? specifier(d) : ""; + }; + }; -var beachPool = []; + scale.nice = function() { + return domain(nice(domain(), { + floor: function(x) { return pows(Math.floor(logs(x))); }, + ceil: function(x) { return pows(Math.ceil(logs(x))); } + })); + }; -function Beach() { - RedBlackNode(this); - this.edge = - this.site = - this.circle = null; -} + scale.copy = function() { + return copy(scale, log$1().base(base)); + }; -function createBeach(site) { - var beach = beachPool.pop() || new Beach; - beach.site = site; - return beach; + return scale; } -function detachBeach(beach) { - detachCircle(beach); - beaches.remove(beach); - beachPool.push(beach); - RedBlackNode(beach); +function raise$1(x, exponent) { + return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); } -function removeBeach(beach) { - var circle = beach.circle, - x = circle.x, - y = circle.cy, - vertex = [x, y], - previous = beach.P, - next = beach.N, - disappearing = [beach]; - - detachBeach(beach); +function pow$1() { + var exponent = 1, + scale = continuous(deinterpolate, reinterpolate), + domain = scale.domain; - var lArc = previous; - while (lArc.circle - && Math.abs(x - lArc.circle.x) < epsilon$3 - && Math.abs(y - lArc.circle.cy) < epsilon$3) { - previous = lArc.P; - disappearing.unshift(lArc); - detachBeach(lArc); - lArc = previous; + function deinterpolate(a, b) { + return (b = raise$1(b, exponent) - (a = raise$1(a, exponent))) + ? function(x) { return (raise$1(x, exponent) - a) / b; } + : constant$9(b); } - disappearing.unshift(lArc); - detachCircle(lArc); - - var rArc = next; - while (rArc.circle - && Math.abs(x - rArc.circle.x) < epsilon$3 - && Math.abs(y - rArc.circle.cy) < epsilon$3) { - next = rArc.N; - disappearing.push(rArc); - detachBeach(rArc); - rArc = next; + function reinterpolate(a, b) { + b = raise$1(b, exponent) - (a = raise$1(a, exponent)); + return function(t) { return raise$1(a + b * t, 1 / exponent); }; } - disappearing.push(rArc); - detachCircle(rArc); + scale.exponent = function(_) { + return arguments.length ? (exponent = +_, domain(domain())) : exponent; + }; - var nArcs = disappearing.length, - iArc; - for (iArc = 1; iArc < nArcs; ++iArc) { - rArc = disappearing[iArc]; - lArc = disappearing[iArc - 1]; - setEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); - } + scale.copy = function() { + return copy(scale, pow$1().exponent(exponent)); + }; - lArc = disappearing[0]; - rArc = disappearing[nArcs - 1]; - rArc.edge = createEdge(lArc.site, rArc.site, null, vertex); + return linearish(scale); +} - attachCircle(lArc); - attachCircle(rArc); +function sqrt$1() { + return pow$1().exponent(0.5); } -function addBeach(site) { - var x = site[0], - directrix = site[1], - lArc, - rArc, - dxl, - dxr, - node = beaches._; +function quantile$$1() { + var domain = [], + range$$1 = [], + thresholds = []; - while (node) { - dxl = leftBreakPoint(node, directrix) - x; - if (dxl > epsilon$3) node = node.L; else { - dxr = x - rightBreakPoint(node, directrix); - if (dxr > epsilon$3) { - if (!node.R) { - lArc = node; - break; - } - node = node.R; - } else { - if (dxl > -epsilon$3) { - lArc = node.P; - rArc = node; - } else if (dxr > -epsilon$3) { - lArc = node; - rArc = node.N; - } else { - lArc = rArc = node; - } - break; - } - } + function rescale() { + var i = 0, n = Math.max(1, range$$1.length); + thresholds = new Array(n - 1); + while (++i < n) thresholds[i - 1] = threshold(domain, i / n); + return scale; } - createCell(site); - var newArc = createBeach(site); - beaches.insert(lArc, newArc); + function scale(x) { + if (!isNaN(x = +x)) return range$$1[bisectRight(thresholds, x)]; + } - if (!lArc && !rArc) return; + scale.invertExtent = function(y) { + var i = range$$1.indexOf(y); + return i < 0 ? [NaN, NaN] : [ + i > 0 ? thresholds[i - 1] : domain[0], + i < thresholds.length ? thresholds[i] : domain[domain.length - 1] + ]; + }; - if (lArc === rArc) { - detachCircle(lArc); - rArc = createBeach(lArc.site); - beaches.insert(newArc, rArc); - newArc.edge = rArc.edge = createEdge(lArc.site, newArc.site); - attachCircle(lArc); - attachCircle(rArc); - return; - } + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = []; + for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); + domain.sort(ascending); + return rescale(); + }; - if (!rArc) { // && lArc - newArc.edge = createEdge(lArc.site, newArc.site); - return; - } + scale.range = function(_) { + return arguments.length ? (range$$1 = slice$4.call(_), rescale()) : range$$1.slice(); + }; - // else lArc !== rArc - detachCircle(lArc); - detachCircle(rArc); + scale.quantiles = function() { + return thresholds.slice(); + }; - var lSite = lArc.site, - ax = lSite[0], - ay = lSite[1], - bx = site[0] - ax, - by = site[1] - ay, - rSite = rArc.site, - cx = rSite[0] - ax, - cy = rSite[1] - ay, - d = 2 * (bx * cy - by * cx), - hb = bx * bx + by * by, - hc = cx * cx + cy * cy, - vertex = [(cy * hb - by * hc) / d + ax, (bx * hc - cx * hb) / d + ay]; + scale.copy = function() { + return quantile$$1() + .domain(domain) + .range(range$$1); + }; - setEdgeEnd(rArc.edge, lSite, rSite, vertex); - newArc.edge = createEdge(lSite, site, null, vertex); - rArc.edge = createEdge(site, rSite, null, vertex); - attachCircle(lArc); - attachCircle(rArc); + return scale; } -function leftBreakPoint(arc, directrix) { - var site = arc.site, - rfocx = site[0], - rfocy = site[1], - pby2 = rfocy - directrix; +function quantize$1() { + var x0 = 0, + x1 = 1, + n = 1, + domain = [0.5], + range$$1 = [0, 1]; - if (!pby2) return rfocx; + function scale(x) { + if (x <= x) return range$$1[bisectRight(domain, x, 0, n)]; + } - var lArc = arc.P; - if (!lArc) return -Infinity; + function rescale() { + var i = -1; + domain = new Array(n); + while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1); + return scale; + } - site = lArc.site; - var lfocx = site[0], - lfocy = site[1], - plby2 = lfocy - directrix; + scale.domain = function(_) { + return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1]; + }; + + scale.range = function(_) { + return arguments.length ? (n = (range$$1 = slice$4.call(_)).length - 1, rescale()) : range$$1.slice(); + }; + + scale.invertExtent = function(y) { + var i = range$$1.indexOf(y); + return i < 0 ? [NaN, NaN] + : i < 1 ? [x0, domain[0]] + : i >= n ? [domain[n - 1], x1] + : [domain[i - 1], domain[i]]; + }; + + scale.copy = function() { + return quantize$1() + .domain([x0, x1]) + .range(range$$1); + }; - if (!plby2) return lfocx; + return linearish(scale); +} - var hl = lfocx - rfocx, - aby2 = 1 / pby2 - 1 / plby2, - b = hl / plby2; +function threshold$1() { + var domain = [0.5], + range$$1 = [0, 1], + n = 1; - if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; + function scale(x) { + if (x <= x) return range$$1[bisectRight(domain, x, 0, n)]; + } - return (rfocx + lfocx) / 2; -} + scale.domain = function(_) { + return arguments.length ? (domain = slice$4.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : domain.slice(); + }; -function rightBreakPoint(arc, directrix) { - var rArc = arc.N; - if (rArc) return leftBreakPoint(rArc, directrix); - var site = arc.site; - return site[1] === directrix ? site[0] : Infinity; -} + scale.range = function(_) { + return arguments.length ? (range$$1 = slice$4.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : range$$1.slice(); + }; -var epsilon$3 = 1e-6; -var epsilon2$1 = 1e-12; -var beaches; -var cells; -var circles; -var edges; + scale.invertExtent = function(y) { + var i = range$$1.indexOf(y); + return [domain[i - 1], domain[i]]; + }; -function triangleArea(a, b, c) { - return (a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]); -} + scale.copy = function() { + return threshold$1() + .domain(domain) + .range(range$$1); + }; -function lexicographic(a, b) { - return b[1] - a[1] - || b[0] - a[0]; + return scale; } -function Diagram(sites, extent) { - var site = sites.sort(lexicographic).pop(), - x, - y, - circle; +var t0$1 = new Date; +var t1$1 = new Date; - edges = []; - cells = new Array(sites.length); - beaches = new RedBlackTree; - circles = new RedBlackTree; +function newInterval(floori, offseti, count, field) { - while (true) { - circle = firstCircle; - if (site && (!circle || site[1] < circle.y || (site[1] === circle.y && site[0] < circle.x))) { - if (site[0] !== x || site[1] !== y) { - addBeach(site); - x = site[0], y = site[1]; - } - site = sites.pop(); - } else if (circle) { - removeBeach(circle.arc); - } else { - break; - } + function interval(date) { + return floori(date = new Date(+date)), date; } - sortCellHalfedges(); - - if (extent) { - var x0 = +extent[0][0], - y0 = +extent[0][1], - x1 = +extent[1][0], - y1 = +extent[1][1]; - clipEdges(x0, y0, x1, y1); - clipCells(x0, y0, x1, y1); - } + interval.floor = interval; - this.edges = edges; - this.cells = cells; + interval.ceil = function(date) { + return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; + }; - beaches = - circles = - edges = - cells = null; -} + interval.round = function(date) { + var d0 = interval(date), + d1 = interval.ceil(date); + return date - d0 < d1 - date ? d0 : d1; + }; -Diagram.prototype = { - constructor: Diagram, + interval.offset = function(date, step) { + return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; + }; - polygons: function() { - var edges = this.edges; + interval.range = function(start, stop, step) { + var range = []; + start = interval.ceil(start); + step = step == null ? 1 : Math.floor(step); + if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date + do range.push(new Date(+start)); while (offseti(start, step), floori(start), start < stop) + return range; + }; - return this.cells.map(function(cell) { - var polygon = cell.halfedges.map(function(i) { return cellHalfedgeStart(cell, edges[i]); }); - polygon.data = cell.site.data; - return polygon; + interval.filter = function(test) { + return newInterval(function(date) { + if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1); + }, function(date, step) { + if (date >= date) while (--step >= 0) while (offseti(date, 1), !test(date)) {} // eslint-disable-line no-empty }); - }, - - triangles: function() { - var triangles = [], - edges = this.edges; - - this.cells.forEach(function(cell, i) { - var site = cell.site, - halfedges = cell.halfedges, - j = -1, - m = halfedges.length, - s0, - e1 = edges[halfedges[m - 1]], - s1 = e1.left === site ? e1.right : e1.left; + }; - while (++j < m) { - s0 = s1; - e1 = edges[halfedges[j]]; - s1 = e1.left === site ? e1.right : e1.left; - if (s0 && s1 && i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) { - triangles.push([site.data, s0.data, s1.data]); - } - } - }); + if (count) { + interval.count = function(start, end) { + t0$1.setTime(+start), t1$1.setTime(+end); + floori(t0$1), floori(t1$1); + return Math.floor(count(t0$1, t1$1)); + }; - return triangles; - }, + interval.every = function(step) { + step = Math.floor(step); + return !isFinite(step) || !(step > 0) ? null + : !(step > 1) ? interval + : interval.filter(field + ? function(d) { return field(d) % step === 0; } + : function(d) { return interval.count(0, d) % step === 0; }); + }; + } - links: function() { - return this.edges.filter(function(edge) { - return edge.right; - }).map(function(edge) { - return { - source: edge.left.data, - target: edge.right.data - }; - }); - }, + return interval; +} - find: function(x, y, radius) { - var that = this, - i0, i1 = that._found || 0, - cell = that.cells[i1] || that.cells[i1 = 0], - dx = x - cell.site[0], - dy = y - cell.site[1], - d2 = dx * dx + dy * dy; +var millisecond = newInterval(function() { + // noop +}, function(date, step) { + date.setTime(+date + step); +}, function(start, end) { + return end - start; +}); - do { - cell = that.cells[i0 = i1], i1 = null; - cell.halfedges.forEach(function(e) { - var edge = that.edges[e], v = edge.left; - if ((v === cell.site || !v) && !(v = edge.right)) return; - var vx = x - v[0], - vy = y - v[1], - v2 = vx * vx + vy * vy; - if (v2 < d2) d2 = v2, i1 = v.index; - }); - } while (i1 !== null); +// An optimized implementation for this simple case. +millisecond.every = function(k) { + k = Math.floor(k); + if (!isFinite(k) || !(k > 0)) return null; + if (!(k > 1)) return millisecond; + return newInterval(function(date) { + date.setTime(Math.floor(date / k) * k); + }, function(date, step) { + date.setTime(+date + step * k); + }, function(start, end) { + return (end - start) / k; + }); +}; - that._found = i0; +var milliseconds = millisecond.range; - return radius == null || d2 <= radius * radius ? cell.site : null; - } -}; +var durationSecond$1 = 1e3; +var durationMinute$1 = 6e4; +var durationHour$1 = 36e5; +var durationDay$1 = 864e5; +var durationWeek$1 = 6048e5; -var voronoi = function() { - var x$$1 = x$4, - y$$1 = y$4, - extent = null; +var second = newInterval(function(date) { + date.setTime(Math.floor(date / durationSecond$1) * durationSecond$1); +}, function(date, step) { + date.setTime(+date + step * durationSecond$1); +}, function(start, end) { + return (end - start) / durationSecond$1; +}, function(date) { + return date.getUTCSeconds(); +}); - function voronoi(data) { - return new Diagram(data.map(function(d, i) { - var s = [Math.round(x$$1(d, i, data) / epsilon$3) * epsilon$3, Math.round(y$$1(d, i, data) / epsilon$3) * epsilon$3]; - s.index = i; - s.data = d; - return s; - }), extent); - } +var seconds = second.range; - voronoi.polygons = function(data) { - return voronoi(data).polygons(); - }; +var minute = newInterval(function(date) { + date.setTime(Math.floor(date / durationMinute$1) * durationMinute$1); +}, function(date, step) { + date.setTime(+date + step * durationMinute$1); +}, function(start, end) { + return (end - start) / durationMinute$1; +}, function(date) { + return date.getMinutes(); +}); - voronoi.links = function(data) { - return voronoi(data).links(); - }; +var minutes = minute.range; - voronoi.triangles = function(data) { - return voronoi(data).triangles(); - }; +var hour = newInterval(function(date) { + var offset = date.getTimezoneOffset() * durationMinute$1 % durationHour$1; + if (offset < 0) offset += durationHour$1; + date.setTime(Math.floor((+date - offset) / durationHour$1) * durationHour$1 + offset); +}, function(date, step) { + date.setTime(+date + step * durationHour$1); +}, function(start, end) { + return (end - start) / durationHour$1; +}, function(date) { + return date.getHours(); +}); - voronoi.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$9(+_), voronoi) : x$$1; - }; +var hours = hour.range; - voronoi.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$9(+_), voronoi) : y$$1; - }; +var day = newInterval(function(date) { + date.setHours(0, 0, 0, 0); +}, function(date, step) { + date.setDate(date.getDate() + step); +}, function(start, end) { + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationDay$1; +}, function(date) { + return date.getDate() - 1; +}); - voronoi.extent = function(_) { - return arguments.length ? (extent = _ == null ? null : [[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]], voronoi) : extent && [[extent[0][0], extent[0][1]], [extent[1][0], extent[1][1]]]; - }; +var days = day.range; - voronoi.size = function(_) { - return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0] - extent[0][0], extent[1][1] - extent[0][1]]; - }; +function weekday(i) { + return newInterval(function(date) { + date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setDate(date.getDate() + step * 7); + }, function(start, end) { + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationWeek$1; + }); +} - return voronoi; -}; +var sunday = weekday(0); +var monday = weekday(1); +var tuesday = weekday(2); +var wednesday = weekday(3); +var thursday = weekday(4); +var friday = weekday(5); +var saturday = weekday(6); -var constant$10 = function(x) { - return function() { - return x; - }; -}; +var sundays = sunday.range; +var mondays = monday.range; +var tuesdays = tuesday.range; +var wednesdays = wednesday.range; +var thursdays = thursday.range; +var fridays = friday.range; +var saturdays = saturday.range; -function ZoomEvent(target, type, transform) { - this.target = target; - this.type = type; - this.transform = transform; -} +var month = newInterval(function(date) { + date.setDate(1); + date.setHours(0, 0, 0, 0); +}, function(date, step) { + date.setMonth(date.getMonth() + step); +}, function(start, end) { + return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; +}, function(date) { + return date.getMonth(); +}); -function Transform(k, x, y) { - this.k = k; - this.x = x; - this.y = y; -} +var months = month.range; -Transform.prototype = { - constructor: Transform, - scale: function(k) { - return k === 1 ? this : new Transform(this.k * k, this.x, this.y); - }, - translate: function(x, y) { - return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y); - }, - apply: function(point) { - return [point[0] * this.k + this.x, point[1] * this.k + this.y]; - }, - applyX: function(x) { - return x * this.k + this.x; - }, - applyY: function(y) { - return y * this.k + this.y; - }, - invert: function(location) { - return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k]; - }, - invertX: function(x) { - return (x - this.x) / this.k; - }, - invertY: function(y) { - return (y - this.y) / this.k; - }, - rescaleX: function(x) { - return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x)); - }, - rescaleY: function(y) { - return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y)); - }, - toString: function() { - return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")"; - } +var year = newInterval(function(date) { + date.setMonth(0, 1); + date.setHours(0, 0, 0, 0); +}, function(date, step) { + date.setFullYear(date.getFullYear() + step); +}, function(start, end) { + return end.getFullYear() - start.getFullYear(); +}, function(date) { + return date.getFullYear(); +}); + +// An optimized implementation for this simple case. +year.every = function(k) { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { + date.setFullYear(Math.floor(date.getFullYear() / k) * k); + date.setMonth(0, 1); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setFullYear(date.getFullYear() + step * k); + }); }; -var identity$6 = new Transform(1, 0, 0); +var years = year.range; -transform.prototype = Transform.prototype; +var utcMinute = newInterval(function(date) { + date.setUTCSeconds(0, 0); +}, function(date, step) { + date.setTime(+date + step * durationMinute$1); +}, function(start, end) { + return (end - start) / durationMinute$1; +}, function(date) { + return date.getUTCMinutes(); +}); -function transform(node) { - return node.__zoom || identity$6; -} +var utcMinutes = utcMinute.range; -function nopropagation$1() { - exports.event.stopImmediatePropagation(); -} +var utcHour = newInterval(function(date) { + date.setUTCMinutes(0, 0, 0); +}, function(date, step) { + date.setTime(+date + step * durationHour$1); +}, function(start, end) { + return (end - start) / durationHour$1; +}, function(date) { + return date.getUTCHours(); +}); -var noevent$1 = function() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); -}; +var utcHours = utcHour.range; -// Ignore right-click, since that should open the context menu. -function defaultFilter$1() { - return !exports.event.button; -} +var utcDay = newInterval(function(date) { + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCDate(date.getUTCDate() + step); +}, function(start, end) { + return (end - start) / durationDay$1; +}, function(date) { + return date.getUTCDate() - 1; +}); -function defaultExtent() { - var e = this, w, h; - if (e instanceof SVGElement) { - e = e.ownerSVGElement || e; - w = e.width.baseVal.value; - h = e.height.baseVal.value; - } else { - w = e.clientWidth; - h = e.clientHeight; - } - return [[0, 0], [w, h]]; -} +var utcDays = utcDay.range; -function defaultTransform() { - return this.__zoom || identity$6; +function utcWeekday(i) { + return newInterval(function(date) { + date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCDate(date.getUTCDate() + step * 7); + }, function(start, end) { + return (end - start) / durationWeek$1; + }); } -var zoom = function() { - var filter = defaultFilter$1, - extent = defaultExtent, - k0 = 0, - k1 = Infinity, - x0 = -k1, - x1 = k1, - y0 = x0, - y1 = x1, - duration = 250, - interpolate$$1 = interpolateZoom, - gestures = [], - listeners = dispatch("start", "zoom", "end"), - touchstarting, - touchending, - touchDelay = 500, - wheelDelay = 150; - - function zoom(selection$$1) { - selection$$1 - .on("wheel.zoom", wheeled) - .on("mousedown.zoom", mousedowned) - .on("dblclick.zoom", dblclicked) - .on("touchstart.zoom", touchstarted) - .on("touchmove.zoom", touchmoved) - .on("touchend.zoom touchcancel.zoom", touchended) - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") - .property("__zoom", defaultTransform); - } +var utcSunday = utcWeekday(0); +var utcMonday = utcWeekday(1); +var utcTuesday = utcWeekday(2); +var utcWednesday = utcWeekday(3); +var utcThursday = utcWeekday(4); +var utcFriday = utcWeekday(5); +var utcSaturday = utcWeekday(6); - zoom.transform = function(collection, transform) { - var selection$$1 = collection.selection ? collection.selection() : collection; - selection$$1.property("__zoom", defaultTransform); - if (collection !== selection$$1) { - schedule(collection, transform); - } else { - selection$$1.interrupt().each(function() { - gesture(this, arguments) - .start() - .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) - .end(); - }); - } - }; +var utcSundays = utcSunday.range; +var utcMondays = utcMonday.range; +var utcTuesdays = utcTuesday.range; +var utcWednesdays = utcWednesday.range; +var utcThursdays = utcThursday.range; +var utcFridays = utcFriday.range; +var utcSaturdays = utcSaturday.range; - zoom.scaleBy = function(selection$$1, k) { - zoom.scaleTo(selection$$1, function() { - var k0 = this.__zoom.k, - k1 = typeof k === "function" ? k.apply(this, arguments) : k; - return k0 * k1; - }); - }; +var utcMonth = newInterval(function(date) { + date.setUTCDate(1); + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCMonth(date.getUTCMonth() + step); +}, function(start, end) { + return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; +}, function(date) { + return date.getUTCMonth(); +}); - zoom.scaleTo = function(selection$$1, k) { - zoom.transform(selection$$1, function() { - var e = extent.apply(this, arguments), - t0 = this.__zoom, - p0 = centroid(e), - p1 = t0.invert(p0), - k1 = typeof k === "function" ? k.apply(this, arguments) : k; - return constrain(translate(scale(t0, k1), p0, p1), e); - }); - }; +var utcMonths = utcMonth.range; - zoom.translateBy = function(selection$$1, x, y) { - zoom.transform(selection$$1, function() { - return constrain(this.__zoom.translate( - typeof x === "function" ? x.apply(this, arguments) : x, - typeof y === "function" ? y.apply(this, arguments) : y - ), extent.apply(this, arguments)); - }); - }; +var utcYear = newInterval(function(date) { + date.setUTCMonth(0, 1); + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCFullYear(date.getUTCFullYear() + step); +}, function(start, end) { + return end.getUTCFullYear() - start.getUTCFullYear(); +}, function(date) { + return date.getUTCFullYear(); +}); - function scale(transform, k) { - k = Math.max(k0, Math.min(k1, k)); - return k === transform.k ? transform : new Transform(k, transform.x, transform.y); - } +// An optimized implementation for this simple case. +utcYear.every = function(k) { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { + date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); + date.setUTCMonth(0, 1); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCFullYear(date.getUTCFullYear() + step * k); + }); +}; - function translate(transform, p0, p1) { - var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k; - return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y); - } +var utcYears = utcYear.range; - function constrain(transform, extent) { - var dx0 = transform.invertX(extent[0][0]) - x0, - dx1 = transform.invertX(extent[1][0]) - x1, - dy0 = transform.invertY(extent[0][1]) - y0, - dy1 = transform.invertY(extent[1][1]) - y1; - return transform.translate( - dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1), - dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1) - ); +function localDate(d) { + if (0 <= d.y && d.y < 100) { + var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); + date.setFullYear(d.y); + return date; } + return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L); +} - function centroid(extent) { - return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; +function utcDate(d) { + if (0 <= d.y && d.y < 100) { + var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L)); + date.setUTCFullYear(d.y); + return date; } + return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); +} - function schedule(transition$$1, transform, center) { - transition$$1 - .on("start.zoom", function() { gesture(this, arguments).start(); }) - .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) - .tween("zoom", function() { - var that = this, - args = arguments, - g = gesture(that, args), - e = extent.apply(that, args), - p = center || centroid(e), - w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), - a = that.__zoom, - b = typeof transform === "function" ? transform.apply(that, args) : transform, - i = interpolate$$1(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); - return function(t) { - if (t === 1) t = b; // Avoid rounding error on end. - else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); } - g.zoom(null, t); - }; - }); - } +function newYear(y) { + return {y: y, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0}; +} - function gesture(that, args) { - for (var i = 0, n = gestures.length, g; i < n; ++i) { - if ((g = gestures[i]).that === that) { - return g; - } - } - return new Gesture(that, args); - } +function formatLocale$1(locale) { + var locale_dateTime = locale.dateTime, + locale_date = locale.date, + locale_time = locale.time, + locale_periods = locale.periods, + locale_weekdays = locale.days, + locale_shortWeekdays = locale.shortDays, + locale_months = locale.months, + locale_shortMonths = locale.shortMonths; - function Gesture(that, args) { - this.that = that; - this.args = args; - this.index = -1; - this.active = 0; - this.extent = extent.apply(that, args); - } + var periodRe = formatRe(locale_periods), + periodLookup = formatLookup(locale_periods), + weekdayRe = formatRe(locale_weekdays), + weekdayLookup = formatLookup(locale_weekdays), + shortWeekdayRe = formatRe(locale_shortWeekdays), + shortWeekdayLookup = formatLookup(locale_shortWeekdays), + monthRe = formatRe(locale_months), + monthLookup = formatLookup(locale_months), + shortMonthRe = formatRe(locale_shortMonths), + shortMonthLookup = formatLookup(locale_shortMonths); - Gesture.prototype = { - start: function() { - if (++this.active === 1) { - this.index = gestures.push(this) - 1; - this.emit("start"); - } - return this; - }, - zoom: function(key, transform) { - if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]); - if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); - if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); - this.that.__zoom = transform; - this.emit("zoom"); - return this; - }, - end: function() { - if (--this.active === 0) { - gestures.splice(this.index, 1); - this.index = -1; - this.emit("end"); - } - return this; - }, - emit: function(type) { - customEvent(new ZoomEvent(zoom, type, this.that.__zoom), listeners.apply, listeners, [type, this.that, this.args]); - } + var formats = { + "a": formatShortWeekday, + "A": formatWeekday, + "b": formatShortMonth, + "B": formatMonth, + "c": null, + "d": formatDayOfMonth, + "e": formatDayOfMonth, + "H": formatHour24, + "I": formatHour12, + "j": formatDayOfYear, + "L": formatMilliseconds, + "m": formatMonthNumber, + "M": formatMinutes, + "p": formatPeriod, + "S": formatSeconds, + "U": formatWeekNumberSunday, + "w": formatWeekdayNumber, + "W": formatWeekNumberMonday, + "x": null, + "X": null, + "y": formatYear, + "Y": formatFullYear, + "Z": formatZone, + "%": formatLiteralPercent }; - function wheeled() { - if (!filter.apply(this, arguments)) return; - var g = gesture(this, arguments), - t = this.__zoom, - k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500))), - p = mouse(this); + var utcFormats = { + "a": formatUTCShortWeekday, + "A": formatUTCWeekday, + "b": formatUTCShortMonth, + "B": formatUTCMonth, + "c": null, + "d": formatUTCDayOfMonth, + "e": formatUTCDayOfMonth, + "H": formatUTCHour24, + "I": formatUTCHour12, + "j": formatUTCDayOfYear, + "L": formatUTCMilliseconds, + "m": formatUTCMonthNumber, + "M": formatUTCMinutes, + "p": formatUTCPeriod, + "S": formatUTCSeconds, + "U": formatUTCWeekNumberSunday, + "w": formatUTCWeekdayNumber, + "W": formatUTCWeekNumberMonday, + "x": null, + "X": null, + "y": formatUTCYear, + "Y": formatUTCFullYear, + "Z": formatUTCZone, + "%": formatLiteralPercent + }; - // If the mouse is in the same location as before, reuse it. - // If there were recent wheel events, reset the wheel idle timeout. - if (g.wheel) { - if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) { - g.mouse[1] = t.invert(g.mouse[0] = p); - } - clearTimeout(g.wheel); - } + var parses = { + "a": parseShortWeekday, + "A": parseWeekday, + "b": parseShortMonth, + "B": parseMonth, + "c": parseLocaleDateTime, + "d": parseDayOfMonth, + "e": parseDayOfMonth, + "H": parseHour24, + "I": parseHour24, + "j": parseDayOfYear, + "L": parseMilliseconds, + "m": parseMonthNumber, + "M": parseMinutes, + "p": parsePeriod, + "S": parseSeconds, + "U": parseWeekNumberSunday, + "w": parseWeekdayNumber, + "W": parseWeekNumberMonday, + "x": parseLocaleDate, + "X": parseLocaleTime, + "y": parseYear, + "Y": parseFullYear, + "Z": parseZone, + "%": parseLiteralPercent + }; + + // These recursive directive definitions must be deferred. + formats.x = newFormat(locale_date, formats); + formats.X = newFormat(locale_time, formats); + formats.c = newFormat(locale_dateTime, formats); + utcFormats.x = newFormat(locale_date, utcFormats); + utcFormats.X = newFormat(locale_time, utcFormats); + utcFormats.c = newFormat(locale_dateTime, utcFormats); - // If this wheel event won’t trigger a transform change, ignore it. - else if (t.k === k) return; + function newFormat(specifier, formats) { + return function(date) { + var string = [], + i = -1, + j = 0, + n = specifier.length, + c, + pad, + format; - // Otherwise, capture the mouse point and location at the start. - else { - g.mouse = [p, t.invert(p)]; - interrupt(this); - g.start(); - } + if (!(date instanceof Date)) date = new Date(+date); - noevent$1(); - g.wheel = setTimeout(wheelidled, wheelDelay); - g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent)); + while (++i < n) { + if (specifier.charCodeAt(i) === 37) { + string.push(specifier.slice(j, i)); + if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i); + else pad = c === "e" ? " " : "0"; + if (format = formats[c]) c = format(date, pad); + string.push(c); + j = i + 1; + } + } - function wheelidled() { - g.wheel = null; - g.end(); - } + string.push(specifier.slice(j, i)); + return string.join(""); + }; } - function mousedowned() { - if (touchending || !filter.apply(this, arguments)) return; - var g = gesture(this, arguments), - v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), - p = mouse(this); - - dragDisable(exports.event.view); - nopropagation$1(); - g.mouse = [p, this.__zoom.invert(p)]; - interrupt(this); - g.start(); + function newParse(specifier, newDate) { + return function(string) { + var d = newYear(1900), + i = parseSpecifier(d, specifier, string += "", 0); + if (i != string.length) return null; - function mousemoved() { - noevent$1(); - g.moved = true; - g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent)); - } + // The am-pm flag is 0 for AM, and 1 for PM. + if ("p" in d) d.H = d.H % 12 + d.p * 12; - function mouseupped() { - v.on("mousemove.zoom mouseup.zoom", null); - yesdrag(exports.event.view, g.moved); - noevent$1(); - g.end(); - } - } + // Convert day-of-week and week-of-year to day-of-year. + if ("W" in d || "U" in d) { + if (!("w" in d)) d.w = "W" in d ? 1 : 0; + var day$$1 = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay(); + d.m = 0; + d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$$1 + 5) % 7 : d.w + d.U * 7 - (day$$1 + 6) % 7; + } - function dblclicked() { - if (!filter.apply(this, arguments)) return; - var t0 = this.__zoom, - p0 = mouse(this), - p1 = t0.invert(p0), - k1 = t0.k * (exports.event.shiftKey ? 0.5 : 2), - t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments)); + // If a time zone is specified, all fields are interpreted as UTC and then + // offset according to the specified time zone. + if ("Z" in d) { + d.H += d.Z / 100 | 0; + d.M += d.Z % 100; + return utcDate(d); + } - noevent$1(); - if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0); - else select(this).call(zoom.transform, t1); + // Otherwise, all fields are in local time. + return newDate(d); + }; } - function touchstarted() { - if (!filter.apply(this, arguments)) return; - var g = gesture(this, arguments), - touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, t, p; - - nopropagation$1(); - for (i = 0; i < n; ++i) { - t = touches$$1[i], p = touch(this, touches$$1, t.identifier); - p = [p, this.__zoom.invert(p), t.identifier]; - if (!g.touch0) g.touch0 = p; - else if (!g.touch1) g.touch1 = p; - } + function parseSpecifier(d, specifier, string, j) { + var i = 0, + n = specifier.length, + m = string.length, + c, + parse; - // If this is a dbltap, reroute to the (optional) dblclick.zoom handler. - if (touchstarting) { - touchstarting = clearTimeout(touchstarting); - if (!g.touch1) { - g.end(); - p = select(this).on("dblclick.zoom"); - if (p) p.apply(this, arguments); - return; + while (i < n) { + if (j >= m) return -1; + c = specifier.charCodeAt(i++); + if (c === 37) { + c = specifier.charAt(i++); + parse = parses[c in pads ? specifier.charAt(i++) : c]; + if (!parse || ((j = parse(d, string, j)) < 0)) return -1; + } else if (c != string.charCodeAt(j++)) { + return -1; } } - if (exports.event.touches.length === n) { - touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); - interrupt(this); - g.start(); - } + return j; } - function touchmoved() { - var g = gesture(this, arguments), - touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, t, p, l; - - noevent$1(); - if (touchstarting) touchstarting = clearTimeout(touchstarting); - for (i = 0; i < n; ++i) { - t = touches$$1[i], p = touch(this, touches$$1, t.identifier); - if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; - else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; - } - t = g.that.__zoom; - if (g.touch1) { - var p0 = g.touch0[0], l0 = g.touch0[1], - p1 = g.touch1[0], l1 = g.touch1[1], - dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp, - dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl; - t = scale(t, Math.sqrt(dp / dl)); - p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2]; - l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2]; - } - else if (g.touch0) p = g.touch0[0], l = g.touch0[1]; - else return; - g.zoom("touch", constrain(translate(t, p, l), g.extent)); + function parsePeriod(d, string, i) { + var n = periodRe.exec(string.slice(i)); + return n ? (d.p = periodLookup[n[0].toLowerCase()], i + n[0].length) : -1; } - function touchended() { - var g = gesture(this, arguments), - touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, t; - - nopropagation$1(); - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, touchDelay); - for (i = 0; i < n; ++i) { - t = touches$$1[i]; - if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; - else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; - } - if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1; - if (!g.touch0) g.end(); + function parseShortWeekday(d, string, i) { + var n = shortWeekdayRe.exec(string.slice(i)); + return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; } - zoom.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$10(!!_), zoom) : filter; - }; - - zoom.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$10([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; - }; - - zoom.scaleExtent = function(_) { - return arguments.length ? (k0 = +_[0], k1 = +_[1], zoom) : [k0, k1]; - }; - - zoom.translateExtent = function(_) { - return arguments.length ? (x0 = +_[0][0], x1 = +_[1][0], y0 = +_[0][1], y1 = +_[1][1], zoom) : [[x0, y0], [x1, y1]]; - }; - - zoom.duration = function(_) { - return arguments.length ? (duration = +_, zoom) : duration; - }; + function parseWeekday(d, string, i) { + var n = weekdayRe.exec(string.slice(i)); + return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; + } - zoom.interpolate = function(_) { - return arguments.length ? (interpolate$$1 = _, zoom) : interpolate$$1; - }; + function parseShortMonth(d, string, i) { + var n = shortMonthRe.exec(string.slice(i)); + return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1; + } - zoom.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? zoom : value; - }; + function parseMonth(d, string, i) { + var n = monthRe.exec(string.slice(i)); + return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1; + } - return zoom; -}; + function parseLocaleDateTime(d, string, i) { + return parseSpecifier(d, locale_dateTime, string, i); + } -var constant$11 = function(x) { - return function() { - return x; - }; -}; + function parseLocaleDate(d, string, i) { + return parseSpecifier(d, locale_date, string, i); + } -var BrushEvent = function(target, type, selection) { - this.target = target; - this.type = type; - this.selection = selection; -}; + function parseLocaleTime(d, string, i) { + return parseSpecifier(d, locale_time, string, i); + } -function nopropagation$2() { - exports.event.stopImmediatePropagation(); -} + function formatShortWeekday(d) { + return locale_shortWeekdays[d.getDay()]; + } -var noevent$2 = function() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); -}; + function formatWeekday(d) { + return locale_weekdays[d.getDay()]; + } -var MODE_DRAG = {name: "drag"}; -var MODE_SPACE = {name: "space"}; -var MODE_HANDLE = {name: "handle"}; -var MODE_CENTER = {name: "center"}; + function formatShortMonth(d) { + return locale_shortMonths[d.getMonth()]; + } -var X = { - name: "x", - handles: ["e", "w"].map(type$1), - input: function(x, e) { return x && [[x[0], e[0][1]], [x[1], e[1][1]]]; }, - output: function(xy) { return xy && [xy[0][0], xy[1][0]]; } -}; + function formatMonth(d) { + return locale_months[d.getMonth()]; + } -var Y = { - name: "y", - handles: ["n", "s"].map(type$1), - input: function(y, e) { return y && [[e[0][0], y[0]], [e[1][0], y[1]]]; }, - output: function(xy) { return xy && [xy[0][1], xy[1][1]]; } -}; + function formatPeriod(d) { + return locale_periods[+(d.getHours() >= 12)]; + } -var XY = { - name: "xy", - handles: ["n", "e", "s", "w", "nw", "ne", "se", "sw"].map(type$1), - input: function(xy) { return xy; }, - output: function(xy) { return xy; } -}; + function formatUTCShortWeekday(d) { + return locale_shortWeekdays[d.getUTCDay()]; + } -var cursors = { - overlay: "crosshair", - selection: "move", - n: "ns-resize", - e: "ew-resize", - s: "ns-resize", - w: "ew-resize", - nw: "nwse-resize", - ne: "nesw-resize", - se: "nwse-resize", - sw: "nesw-resize" -}; + function formatUTCWeekday(d) { + return locale_weekdays[d.getUTCDay()]; + } -var flipX = { - e: "w", - w: "e", - nw: "ne", - ne: "nw", - se: "sw", - sw: "se" -}; + function formatUTCShortMonth(d) { + return locale_shortMonths[d.getUTCMonth()]; + } -var flipY = { - n: "s", - s: "n", - nw: "sw", - ne: "se", - se: "ne", - sw: "nw" -}; + function formatUTCMonth(d) { + return locale_months[d.getUTCMonth()]; + } -var signsX = { - overlay: +1, - selection: +1, - n: null, - e: +1, - s: null, - w: -1, - nw: -1, - ne: +1, - se: +1, - sw: -1 -}; + function formatUTCPeriod(d) { + return locale_periods[+(d.getUTCHours() >= 12)]; + } -var signsY = { - overlay: +1, - selection: +1, - n: -1, - e: null, - s: +1, - w: null, - nw: -1, - ne: -1, - se: +1, - sw: +1 -}; + return { + format: function(specifier) { + var f = newFormat(specifier += "", formats); + f.toString = function() { return specifier; }; + return f; + }, + parse: function(specifier) { + var p = newParse(specifier += "", localDate); + p.toString = function() { return specifier; }; + return p; + }, + utcFormat: function(specifier) { + var f = newFormat(specifier += "", utcFormats); + f.toString = function() { return specifier; }; + return f; + }, + utcParse: function(specifier) { + var p = newParse(specifier, utcDate); + p.toString = function() { return specifier; }; + return p; + } + }; +} -function type$1(t) { - return {type: t}; +var pads = {"-": "", "_": " ", "0": "0"}; +var numberRe = /^\s*\d+/; +var percentRe = /^%/; +var requoteRe = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; + +function pad(value, fill, width) { + var sign = value < 0 ? "-" : "", + string = (sign ? -value : value) + "", + length = string.length; + return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); } -// Ignore right-click, since that should open the context menu. -function defaultFilter$2() { - return !exports.event.button; +function requote(s) { + return s.replace(requoteRe, "\\$&"); } -function defaultExtent$1() { - var svg = this.ownerSVGElement || this; - return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]]; +function formatRe(names) { + return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i"); } -// Like d3.local, but with the name “__brush” rather than auto-generated. -function local$1(node) { - while (!node.__brush) if (!(node = node.parentNode)) return; - return node.__brush; +function formatLookup(names) { + var map = {}, i = -1, n = names.length; + while (++i < n) map[names[i].toLowerCase()] = i; + return map; } -function empty$1(extent) { - return extent[0][0] === extent[1][0] - || extent[0][1] === extent[1][1]; +function parseWeekdayNumber(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 1)); + return n ? (d.w = +n[0], i + n[0].length) : -1; } -function brushSelection(node) { - var state = node.__brush; - return state ? state.dim.output(state.selection) : null; +function parseWeekNumberSunday(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.U = +n[0], i + n[0].length) : -1; } -function brushX() { - return brush$1(X); +function parseWeekNumberMonday(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.W = +n[0], i + n[0].length) : -1; } -function brushY() { - return brush$1(Y); +function parseFullYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 4)); + return n ? (d.y = +n[0], i + n[0].length) : -1; } -var brush = function() { - return brush$1(XY); -}; +function parseYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1; +} -function brush$1(dim) { - var extent = defaultExtent$1, - filter = defaultFilter$2, - listeners = dispatch(brush, "start", "brush", "end"), - handleSize = 6, - touchending; +function parseZone(d, string, i) { + var n = /^(Z)|([+-]\d\d)(?:\:?(\d\d))?/.exec(string.slice(i, i + 6)); + return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; +} - function brush(group) { - var overlay = group - .property("__brush", initialize) - .selectAll(".overlay") - .data([type$1("overlay")]); +function parseMonthNumber(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.m = n[0] - 1, i + n[0].length) : -1; +} - overlay.enter().append("rect") - .attr("class", "overlay") - .attr("pointer-events", "all") - .attr("cursor", cursors.overlay) - .merge(overlay) - .each(function() { - var extent = local$1(this).extent; - select(this) - .attr("x", extent[0][0]) - .attr("y", extent[0][1]) - .attr("width", extent[1][0] - extent[0][0]) - .attr("height", extent[1][1] - extent[0][1]); - }); +function parseDayOfMonth(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.d = +n[0], i + n[0].length) : -1; +} - group.selectAll(".selection") - .data([type$1("selection")]) - .enter().append("rect") - .attr("class", "selection") - .attr("cursor", cursors.selection) - .attr("fill", "#777") - .attr("fill-opacity", 0.3) - .attr("stroke", "#fff") - .attr("shape-rendering", "crispEdges"); +function parseDayOfYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 3)); + return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1; +} - var handle = group.selectAll(".handle") - .data(dim.handles, function(d) { return d.type; }); +function parseHour24(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.H = +n[0], i + n[0].length) : -1; +} - handle.exit().remove(); +function parseMinutes(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.M = +n[0], i + n[0].length) : -1; +} - handle.enter().append("rect") - .attr("class", function(d) { return "handle handle--" + d.type; }) - .attr("cursor", function(d) { return cursors[d.type]; }); +function parseSeconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.S = +n[0], i + n[0].length) : -1; +} - group - .each(redraw) - .attr("fill", "none") - .attr("pointer-events", "all") - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") - .on("mousedown.brush touchstart.brush", started); - } +function parseMilliseconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 3)); + return n ? (d.L = +n[0], i + n[0].length) : -1; +} - brush.move = function(group, selection$$1) { - if (group.selection) { - group - .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) - .on("interrupt.brush end.brush", function() { emitter(this, arguments).end(); }) - .tween("brush", function() { - var that = this, - state = that.__brush, - emit = emitter(that, arguments), - selection0 = state.selection, - selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(this, arguments) : selection$$1, state.extent), - i = interpolate(selection0, selection1); +function parseLiteralPercent(d, string, i) { + var n = percentRe.exec(string.slice(i, i + 1)); + return n ? i + n[0].length : -1; +} - function tween(t) { - state.selection = t === 1 && empty$1(selection1) ? null : i(t); - redraw.call(that); - emit.brush(); - } +function formatDayOfMonth(d, p) { + return pad(d.getDate(), p, 2); +} - return selection0 && selection1 ? tween : tween(1); - }); - } else { - group - .each(function() { - var that = this, - args = arguments, - state = that.__brush, - selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(that, args) : selection$$1, state.extent), - emit = emitter(that, args).beforestart(); +function formatHour24(d, p) { + return pad(d.getHours(), p, 2); +} - interrupt(that); - state.selection = selection1 == null || empty$1(selection1) ? null : selection1; - redraw.call(that); - emit.start().brush().end(); - }); - } - }; +function formatHour12(d, p) { + return pad(d.getHours() % 12 || 12, p, 2); +} - function redraw() { - var group = select(this), - selection$$1 = local$1(this).selection; +function formatDayOfYear(d, p) { + return pad(1 + day.count(year(d), d), p, 3); +} - if (selection$$1) { - group.selectAll(".selection") - .style("display", null) - .attr("x", selection$$1[0][0]) - .attr("y", selection$$1[0][1]) - .attr("width", selection$$1[1][0] - selection$$1[0][0]) - .attr("height", selection$$1[1][1] - selection$$1[0][1]); +function formatMilliseconds(d, p) { + return pad(d.getMilliseconds(), p, 3); +} - group.selectAll(".handle") - .style("display", null) - .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection$$1[1][0] - handleSize / 2 : selection$$1[0][0] - handleSize / 2; }) - .attr("y", function(d) { return d.type[0] === "s" ? selection$$1[1][1] - handleSize / 2 : selection$$1[0][1] - handleSize / 2; }) - .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection$$1[1][0] - selection$$1[0][0] + handleSize : handleSize; }) - .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection$$1[1][1] - selection$$1[0][1] + handleSize : handleSize; }); - } +function formatMonthNumber(d, p) { + return pad(d.getMonth() + 1, p, 2); +} - else { - group.selectAll(".selection,.handle") - .style("display", "none") - .attr("x", null) - .attr("y", null) - .attr("width", null) - .attr("height", null); - } - } +function formatMinutes(d, p) { + return pad(d.getMinutes(), p, 2); +} - function emitter(that, args) { - return that.__brush.emitter || new Emitter(that, args); - } +function formatSeconds(d, p) { + return pad(d.getSeconds(), p, 2); +} - function Emitter(that, args) { - this.that = that; - this.args = args; - this.state = that.__brush; - this.active = 0; - } +function formatWeekNumberSunday(d, p) { + return pad(sunday.count(year(d), d), p, 2); +} - Emitter.prototype = { - beforestart: function() { - if (++this.active === 1) this.state.emitter = this, this.starting = true; - return this; - }, - start: function() { - if (this.starting) this.starting = false, this.emit("start"); - return this; - }, - brush: function() { - this.emit("brush"); - return this; - }, - end: function() { - if (--this.active === 0) delete this.state.emitter, this.emit("end"); - return this; - }, - emit: function(type) { - customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]); - } - }; +function formatWeekdayNumber(d) { + return d.getDay(); +} - function started() { - if (exports.event.touches) { if (exports.event.changedTouches.length < exports.event.touches.length) return noevent$2(); } - else if (touchending) return; - if (!filter.apply(this, arguments)) return; +function formatWeekNumberMonday(d, p) { + return pad(monday.count(year(d), d), p, 2); +} - var that = this, - type = exports.event.target.__data__.type, - mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE), - signX = dim === Y ? null : signsX[type], - signY = dim === X ? null : signsY[type], - state = local$1(that), - extent = state.extent, - selection$$1 = state.selection, - W = extent[0][0], w0, w1, - N = extent[0][1], n0, n1, - E = extent[1][0], e0, e1, - S = extent[1][1], s0, s1, - dx, - dy, - moving, - shifting = signX && signY && exports.event.shiftKey, - lockX, - lockY, - point0 = mouse(that), - point = point0, - emit = emitter(that, arguments).beforestart(); +function formatYear(d, p) { + return pad(d.getFullYear() % 100, p, 2); +} - if (type === "overlay") { - state.selection = selection$$1 = [ - [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], - [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] - ]; - } else { - w0 = selection$$1[0][0]; - n0 = selection$$1[0][1]; - e0 = selection$$1[1][0]; - s0 = selection$$1[1][1]; - } +function formatFullYear(d, p) { + return pad(d.getFullYear() % 10000, p, 4); +} - w1 = w0; - n1 = n0; - e1 = e0; - s1 = s0; +function formatZone(d) { + var z = d.getTimezoneOffset(); + return (z > 0 ? "-" : (z *= -1, "+")) + + pad(z / 60 | 0, "0", 2) + + pad(z % 60, "0", 2); +} - var group = select(that) - .attr("pointer-events", "none"); +function formatUTCDayOfMonth(d, p) { + return pad(d.getUTCDate(), p, 2); +} - var overlay = group.selectAll(".overlay") - .attr("cursor", cursors[type]); +function formatUTCHour24(d, p) { + return pad(d.getUTCHours(), p, 2); +} - if (exports.event.touches) { - group - .on("touchmove.brush", moved, true) - .on("touchend.brush touchcancel.brush", ended, true); - } else { - var view = select(exports.event.view) - .on("keydown.brush", keydowned, true) - .on("keyup.brush", keyupped, true) - .on("mousemove.brush", moved, true) - .on("mouseup.brush", ended, true); +function formatUTCHour12(d, p) { + return pad(d.getUTCHours() % 12 || 12, p, 2); +} - dragDisable(exports.event.view); - } +function formatUTCDayOfYear(d, p) { + return pad(1 + utcDay.count(utcYear(d), d), p, 3); +} - nopropagation$2(); - interrupt(that); - redraw.call(that); - emit.start(); +function formatUTCMilliseconds(d, p) { + return pad(d.getUTCMilliseconds(), p, 3); +} - function moved() { - var point1 = mouse(that); - if (shifting && !lockX && !lockY) { - if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true; - else lockX = true; - } - point = point1; - moving = true; - noevent$2(); - move(); - } +function formatUTCMonthNumber(d, p) { + return pad(d.getUTCMonth() + 1, p, 2); +} - function move() { - var t; +function formatUTCMinutes(d, p) { + return pad(d.getUTCMinutes(), p, 2); +} - dx = point[0] - point0[0]; - dy = point[1] - point0[1]; +function formatUTCSeconds(d, p) { + return pad(d.getUTCSeconds(), p, 2); +} - switch (mode) { - case MODE_SPACE: - case MODE_DRAG: { - if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx; - if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy; - break; - } - case MODE_HANDLE: { - if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0; - else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx; - if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0; - else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy; - break; - } - case MODE_CENTER: { - if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX)); - if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY)); - break; - } - } +function formatUTCWeekNumberSunday(d, p) { + return pad(utcSunday.count(utcYear(d), d), p, 2); +} - if (e1 < w1) { - signX *= -1; - t = w0, w0 = e0, e0 = t; - t = w1, w1 = e1, e1 = t; - if (type in flipX) overlay.attr("cursor", cursors[type = flipX[type]]); - } +function formatUTCWeekdayNumber(d) { + return d.getUTCDay(); +} + +function formatUTCWeekNumberMonday(d, p) { + return pad(utcMonday.count(utcYear(d), d), p, 2); +} + +function formatUTCYear(d, p) { + return pad(d.getUTCFullYear() % 100, p, 2); +} - if (s1 < n1) { - signY *= -1; - t = n0, n0 = s0, s0 = t; - t = n1, n1 = s1, s1 = t; - if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); - } +function formatUTCFullYear(d, p) { + return pad(d.getUTCFullYear() % 10000, p, 4); +} - if (state.selection) selection$$1 = state.selection; // May be set by brush.move! - if (lockX) w1 = selection$$1[0][0], e1 = selection$$1[1][0]; - if (lockY) n1 = selection$$1[0][1], s1 = selection$$1[1][1]; +function formatUTCZone() { + return "+0000"; +} - if (selection$$1[0][0] !== w1 - || selection$$1[0][1] !== n1 - || selection$$1[1][0] !== e1 - || selection$$1[1][1] !== s1) { - state.selection = [[w1, n1], [e1, s1]]; - redraw.call(that); - emit.brush(); - } - } +function formatLiteralPercent() { + return "%"; +} - function ended() { - nopropagation$2(); - if (exports.event.touches) { - if (exports.event.touches.length) return; - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! - group.on("touchmove.brush touchend.brush touchcancel.brush", null); - } else { - yesdrag(exports.event.view, moving); - view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); - } - group.attr("pointer-events", "all"); - overlay.attr("cursor", cursors.overlay); - if (state.selection) selection$$1 = state.selection; // May be set by brush.move (on start)! - if (empty$1(selection$$1)) state.selection = null, redraw.call(that); - emit.end(); - } +var locale$2; - function keydowned() { - switch (exports.event.keyCode) { - case 16: { // SHIFT - shifting = signX && signY; - break; - } - case 18: { // ALT - if (mode === MODE_HANDLE) { - if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; - if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; - mode = MODE_CENTER; - move(); - } - break; - } - case 32: { // SPACE; takes priority over ALT - if (mode === MODE_HANDLE || mode === MODE_CENTER) { - if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx; - if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy; - mode = MODE_SPACE; - overlay.attr("cursor", cursors.selection); - move(); - } - break; - } - default: return; - } - noevent$2(); - } - function keyupped() { - switch (exports.event.keyCode) { - case 16: { // SHIFT - if (shifting) { - lockX = lockY = shifting = false; - move(); - } - break; - } - case 18: { // ALT - if (mode === MODE_CENTER) { - if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; - if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; - mode = MODE_HANDLE; - move(); - } - break; - } - case 32: { // SPACE - if (mode === MODE_SPACE) { - if (exports.event.altKey) { - if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; - if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; - mode = MODE_CENTER; - } else { - if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; - if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; - mode = MODE_HANDLE; - } - overlay.attr("cursor", cursors[type]); - move(); - } - break; - } - default: return; - } - noevent$2(); - } - } - function initialize() { - var state = this.__brush || {selection: null}; - state.extent = extent.apply(this, arguments); - state.dim = dim; - return state; - } - brush.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$11([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), brush) : extent; - }; - brush.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$11(!!_), brush) : filter; - }; +defaultLocale$1({ + dateTime: "%x, %X", + date: "%-m/%-d/%Y", + time: "%-I:%M:%S %p", + periods: ["AM", "PM"], + days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], + shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], + months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], + shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"] +}); - brush.handleSize = function(_) { - return arguments.length ? (handleSize = +_, brush) : handleSize; - }; +function defaultLocale$1(definition) { + locale$2 = formatLocale$1(definition); + exports.timeFormat = locale$2.format; + exports.timeParse = locale$2.parse; + exports.utcFormat = locale$2.utcFormat; + exports.utcParse = locale$2.utcParse; + return locale$2; +} - brush.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? brush : value; - }; +var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; - return brush; +function formatIsoNative(date) { + return date.toISOString(); } -var cos = Math.cos; -var sin = Math.sin; -var pi$3 = Math.PI; -var halfPi$2 = pi$3 / 2; -var tau$3 = pi$3 * 2; -var max$1 = Math.max; +var formatIso = Date.prototype.toISOString + ? formatIsoNative + : exports.utcFormat(isoSpecifier); -function compareValue(compare) { - return function(a, b) { - return compare( - a.source.value + a.target.value, - b.source.value + b.target.value - ); - }; +function parseIsoNative(string) { + var date = new Date(string); + return isNaN(date) ? null : date; } -var chord = function() { - var padAngle = 0, - sortGroups = null, - sortSubgroups = null, - sortChords = null; +var parseIso = +new Date("2000-01-01T00:00:00.000Z") + ? parseIsoNative + : exports.utcParse(isoSpecifier); - function chord(matrix) { - var n = matrix.length, - groupSums = [], - groupIndex = range(n), - subgroupIndex = [], - chords = [], - groups = chords.groups = new Array(n), - subgroups = new Array(n * n), - k, - x, - x0, - dx, - i, - j; +var durationSecond = 1000; +var durationMinute = durationSecond * 60; +var durationHour = durationMinute * 60; +var durationDay = durationHour * 24; +var durationWeek = durationDay * 7; +var durationMonth = durationDay * 30; +var durationYear = durationDay * 365; - // Compute the sum. - k = 0, i = -1; while (++i < n) { - x = 0, j = -1; while (++j < n) { - x += matrix[i][j]; - } - groupSums.push(x); - subgroupIndex.push(range(n)); - k += x; - } +function date$1(t) { + return new Date(t); +} - // Sort groups… - if (sortGroups) groupIndex.sort(function(a, b) { - return sortGroups(groupSums[a], groupSums[b]); - }); +function number$2(t) { + return t instanceof Date ? +t : +new Date(+t); +} - // Sort subgroups… - if (sortSubgroups) subgroupIndex.forEach(function(d, i) { - d.sort(function(a, b) { - return sortSubgroups(matrix[i][a], matrix[i][b]); - }); - }); +function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format) { + var scale = continuous(deinterpolateLinear, reinterpolate), + invert = scale.invert, + domain = scale.domain; - // Convert the sum to scaling factor for [0, 2pi]. - // TODO Allow start and end angle to be specified? - // TODO Allow padding to be specified as percentage? - k = max$1(0, tau$3 - padAngle * n) / k; - dx = k ? padAngle : tau$3 / n; + var formatMillisecond = format(".%L"), + formatSecond = format(":%S"), + formatMinute = format("%I:%M"), + formatHour = format("%I %p"), + formatDay = format("%a %d"), + formatWeek = format("%b %d"), + formatMonth = format("%B"), + formatYear = format("%Y"); - // Compute the start and end angle for each group and subgroup. - // Note: Opera has a bug reordering object literal properties! - x = 0, i = -1; while (++i < n) { - x0 = x, j = -1; while (++j < n) { - var di = groupIndex[i], - dj = subgroupIndex[di][j], - v = matrix[di][dj], - a0 = x, - a1 = x += v * k; - subgroups[dj * n + di] = { - index: di, - subindex: dj, - startAngle: a0, - endAngle: a1, - value: v - }; - } - groups[di] = { - index: di, - startAngle: x0, - endAngle: x, - value: groupSums[di] - }; - x += dx; - } + var tickIntervals = [ + [second$$1, 1, durationSecond], + [second$$1, 5, 5 * durationSecond], + [second$$1, 15, 15 * durationSecond], + [second$$1, 30, 30 * durationSecond], + [minute$$1, 1, durationMinute], + [minute$$1, 5, 5 * durationMinute], + [minute$$1, 15, 15 * durationMinute], + [minute$$1, 30, 30 * durationMinute], + [ hour$$1, 1, durationHour ], + [ hour$$1, 3, 3 * durationHour ], + [ hour$$1, 6, 6 * durationHour ], + [ hour$$1, 12, 12 * durationHour ], + [ day$$1, 1, durationDay ], + [ day$$1, 2, 2 * durationDay ], + [ week, 1, durationWeek ], + [ month$$1, 1, durationMonth ], + [ month$$1, 3, 3 * durationMonth ], + [ year$$1, 1, durationYear ] + ]; - // Generate chords for each (non-empty) subgroup-subgroup link. - i = -1; while (++i < n) { - j = i - 1; while (++j < n) { - var source = subgroups[j * n + i], - target = subgroups[i * n + j]; - if (source.value || target.value) { - chords.push(source.value < target.value - ? {source: target, target: source} - : {source: source, target: target}); - } + function tickFormat(date) { + return (second$$1(date) < date ? formatMillisecond + : minute$$1(date) < date ? formatSecond + : hour$$1(date) < date ? formatMinute + : day$$1(date) < date ? formatHour + : month$$1(date) < date ? (week(date) < date ? formatDay : formatWeek) + : year$$1(date) < date ? formatMonth + : formatYear)(date); + } + + function tickInterval(interval, start, stop, step) { + if (interval == null) interval = 10; + + // If a desired tick count is specified, pick a reasonable tick interval + // based on the extent of the domain and a rough estimate of tick size. + // Otherwise, assume interval is already a time interval and use it. + if (typeof interval === "number") { + var target = Math.abs(stop - start) / interval, + i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); + if (i === tickIntervals.length) { + step = tickStep(start / durationYear, stop / durationYear, interval); + interval = year$$1; + } else if (i) { + i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; + step = i[1]; + interval = i[0]; + } else { + step = tickStep(start, stop, interval); + interval = millisecond$$1; } } - return sortChords ? chords.sort(sortChords) : chords; + return step == null ? interval : interval.every(step); } - chord.padAngle = function(_) { - return arguments.length ? (padAngle = max$1(0, _), chord) : padAngle; + scale.invert = function(y) { + return new Date(invert(y)); }; - chord.sortGroups = function(_) { - return arguments.length ? (sortGroups = _, chord) : sortGroups; + scale.domain = function(_) { + return arguments.length ? domain(map$3.call(_, number$2)) : domain().map(date$1); }; - chord.sortSubgroups = function(_) { - return arguments.length ? (sortSubgroups = _, chord) : sortSubgroups; + scale.ticks = function(interval, step) { + var d = domain(), + t0 = d[0], + t1 = d[d.length - 1], + r = t1 < t0, + t; + if (r) t = t0, t0 = t1, t1 = t; + t = tickInterval(interval, t0, t1, step); + t = t ? t.range(t0, t1 + 1) : []; // inclusive stop + return r ? t.reverse() : t; }; - chord.sortChords = function(_) { - return arguments.length ? (_ == null ? sortChords = null : (sortChords = compareValue(_))._ = _, chord) : sortChords && sortChords._; + scale.tickFormat = function(count, specifier) { + return specifier == null ? tickFormat : format(specifier); }; - return chord; -}; - -var slice$5 = Array.prototype.slice; + scale.nice = function(interval, step) { + var d = domain(); + return (interval = tickInterval(interval, d[0], d[d.length - 1], step)) + ? domain(nice(d, interval)) + : scale; + }; -var constant$12 = function(x) { - return function() { - return x; + scale.copy = function() { + return copy(scale, calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format)); }; -}; -function defaultSource(d) { - return d.source; + return scale; } -function defaultTarget(d) { - return d.target; -} +var time = function() { + return calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]); +}; -function defaultRadius$1(d) { - return d.radius; -} +var utcTime = function() { + return calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); +}; -function defaultStartAngle(d) { - return d.startAngle; -} +var colors = function(s) { + return s.match(/.{6}/g).map(function(x) { + return "#" + x; + }); +}; -function defaultEndAngle(d) { - return d.endAngle; -} +var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); -var ribbon = function() { - var source = defaultSource, - target = defaultTarget, - radius = defaultRadius$1, - startAngle = defaultStartAngle, - endAngle = defaultEndAngle, - context = null; +var category20b = colors("393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6"); - function ribbon() { - var buffer, - argv = slice$5.call(arguments), - s = source.apply(this, argv), - t = target.apply(this, argv), - sr = +radius.apply(this, (argv[0] = s, argv)), - sa0 = startAngle.apply(this, argv) - halfPi$2, - sa1 = endAngle.apply(this, argv) - halfPi$2, - sx0 = sr * cos(sa0), - sy0 = sr * sin(sa0), - tr = +radius.apply(this, (argv[0] = t, argv)), - ta0 = startAngle.apply(this, argv) - halfPi$2, - ta1 = endAngle.apply(this, argv) - halfPi$2; +var category20c = colors("3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9"); - if (!context) context = buffer = path(); +var category20 = colors("1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5"); - context.moveTo(sx0, sy0); - context.arc(0, 0, sr, sa0, sa1); - if (sa0 !== ta0 || sa1 !== ta1) { // TODO sr !== tr? - context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0)); - context.arc(0, 0, tr, ta0, ta1); - } - context.quadraticCurveTo(0, 0, sx0, sy0); - context.closePath(); +var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); - if (buffer) return context = null, buffer + "" || null; - } +var warm = cubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); - ribbon.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$12(+_), ribbon) : radius; - }; +var cool = cubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); - ribbon.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$12(+_), ribbon) : startAngle; - }; +var rainbow = cubehelix(); - ribbon.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$12(+_), ribbon) : endAngle; - }; +var rainbow$1 = function(t) { + if (t < 0 || t > 1) t -= Math.floor(t); + var ts = Math.abs(t - 0.5); + rainbow.h = 360 * t - 100; + rainbow.s = 1.5 - 1.5 * ts; + rainbow.l = 0.8 - 0.9 * ts; + return rainbow + ""; +}; - ribbon.source = function(_) { - return arguments.length ? (source = _, ribbon) : source; +function ramp(range) { + var n = range.length; + return function(t) { + return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; }; +} - ribbon.target = function(_) { - return arguments.length ? (target = _, ribbon) : target; - }; +var viridis = ramp(colors("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")); - ribbon.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), ribbon) : context; +var magma = ramp(colors("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")); + +var inferno = ramp(colors("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")); + +var plasma = ramp(colors("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")); + +function sequential(interpolator) { + var x0 = 0, + x1 = 1, + clamp = false; + + function scale(x) { + var t = (x - x0) / (x1 - x0); + return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t); + } + + scale.domain = function(_) { + return arguments.length ? (x0 = +_[0], x1 = +_[1], scale) : [x0, x1]; }; - return ribbon; -}; + scale.clamp = function(_) { + return arguments.length ? (clamp = !!_, scale) : clamp; + }; -// Adds floating point numbers with twice the normal precision. -// Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and -// Fast Robust Geometric Predicates, Discrete & Computational Geometry 18(3) -// 305–363 (1997). -// Code adapted from GeographicLib by Charles F. F. Karney, -// http://geographiclib.sourceforge.net/ + scale.interpolator = function(_) { + return arguments.length ? (interpolator = _, scale) : interpolator; + }; -var adder = function() { - return new Adder; -}; + scale.copy = function() { + return sequential(interpolator).domain([x0, x1]).clamp(clamp); + }; -function Adder() { - this.reset(); + return linearish(scale); } -Adder.prototype = { - constructor: Adder, - reset: function() { - this.s = // rounded value - this.t = 0; // exact error - }, - add: function(y) { - add$1(temp, y, this.t); - add$1(this, temp.s, this.s); - if (this.s) this.t += temp.t; - else this.s = temp.t; - }, - valueOf: function() { - return this.s; - } +var constant$10 = function(x) { + return function constant() { + return x; + }; }; -var temp = new Adder; - -function add$1(adder, a, b) { - var x = adder.s = a + b, - bv = x - a, - av = x - bv; - adder.t = (a - av) + (b - bv); -} +var abs$1 = Math.abs; +var atan2$1 = Math.atan2; +var cos$2 = Math.cos; +var max$2 = Math.max; +var min$1 = Math.min; +var sin$2 = Math.sin; +var sqrt$2 = Math.sqrt; -var epsilon$4 = 1e-6; -var epsilon2$2 = 1e-12; +var epsilon$3 = 1e-12; var pi$4 = Math.PI; var halfPi$3 = pi$4 / 2; -var quarterPi = pi$4 / 4; -var tau$4 = pi$4 * 2; +var tau$4 = 2 * pi$4; -var degrees$1 = 180 / pi$4; -var radians = pi$4 / 180; +function acos$1(x) { + return x > 1 ? 0 : x < -1 ? pi$4 : Math.acos(x); +} -var abs = Math.abs; -var atan = Math.atan; -var atan2 = Math.atan2; -var cos$1 = Math.cos; -var ceil = Math.ceil; -var exp = Math.exp; +function asin$1(x) { + return x >= 1 ? halfPi$3 : x <= -1 ? -halfPi$3 : Math.asin(x); +} -var log$1 = Math.log; -var pow$1 = Math.pow; -var sin$1 = Math.sin; -var sign$1 = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; }; -var sqrt$1 = Math.sqrt; -var tan = Math.tan; +function arcInnerRadius(d) { + return d.innerRadius; +} -function acos(x) { - return x > 1 ? 0 : x < -1 ? pi$4 : Math.acos(x); +function arcOuterRadius(d) { + return d.outerRadius; } -function asin$1(x) { - return x > 1 ? halfPi$3 : x < -1 ? -halfPi$3 : Math.asin(x); +function arcStartAngle(d) { + return d.startAngle; } -function haversin(x) { - return (x = sin$1(x / 2)) * x; +function arcEndAngle(d) { + return d.endAngle; } -function noop$2() {} +function arcPadAngle(d) { + return d && d.padAngle; // Note: optional! +} -function streamGeometry(geometry, stream) { - if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { - streamGeometryType[geometry.type](geometry, stream); - } +function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { + var x10 = x1 - x0, y10 = y1 - y0, + x32 = x3 - x2, y32 = y3 - y2, + t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / (y32 * x10 - x32 * y10); + return [x0 + t * x10, y0 + t * y10]; } -var streamObjectType = { - Feature: function(feature, stream) { - streamGeometry(feature.geometry, stream); - }, - FeatureCollection: function(object, stream) { - var features = object.features, i = -1, n = features.length; - while (++i < n) streamGeometry(features[i].geometry, stream); - } -}; +// Compute perpendicular offset line of length rc. +// http://mathworld.wolfram.com/Circle-LineIntersection.html +function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { + var x01 = x0 - x1, + y01 = y0 - y1, + lo = (cw ? rc : -rc) / sqrt$2(x01 * x01 + y01 * y01), + ox = lo * y01, + oy = -lo * x01, + x11 = x0 + ox, + y11 = y0 + oy, + x10 = x1 + ox, + y10 = y1 + oy, + x00 = (x11 + x10) / 2, + y00 = (y11 + y10) / 2, + dx = x10 - x11, + dy = y10 - y11, + d2 = dx * dx + dy * dy, + r = r1 - rc, + D = x11 * y10 - x10 * y11, + d = (dy < 0 ? -1 : 1) * sqrt$2(max$2(0, r * r * d2 - D * D)), + cx0 = (D * dy - dx * d) / d2, + cy0 = (-D * dx - dy * d) / d2, + cx1 = (D * dy + dx * d) / d2, + cy1 = (-D * dx + dy * d) / d2, + dx0 = cx0 - x00, + dy0 = cy0 - y00, + dx1 = cx1 - x00, + dy1 = cy1 - y00; -var streamGeometryType = { - Sphere: function(object, stream) { - stream.sphere(); - }, - Point: function(object, stream) { - object = object.coordinates; - stream.point(object[0], object[1], object[2]); - }, - MultiPoint: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]); - }, - LineString: function(object, stream) { - streamLine(object.coordinates, stream, 0); - }, - MultiLineString: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) streamLine(coordinates[i], stream, 0); - }, - Polygon: function(object, stream) { - streamPolygon(object.coordinates, stream); - }, - MultiPolygon: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) streamPolygon(coordinates[i], stream); - }, - GeometryCollection: function(object, stream) { - var geometries = object.geometries, i = -1, n = geometries.length; - while (++i < n) streamGeometry(geometries[i], stream); - } -}; + // Pick the closer of the two intersection points. + // TODO Is there a faster way to determine which intersection to use? + if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; -function streamLine(coordinates, stream, closed) { - var i = -1, n = coordinates.length - closed, coordinate; - stream.lineStart(); - while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]); - stream.lineEnd(); + return { + cx: cx0, + cy: cy0, + x01: -ox, + y01: -oy, + x11: cx0 * (r1 / r - 1), + y11: cy0 * (r1 / r - 1) + }; } -function streamPolygon(coordinates, stream) { - var i = -1, n = coordinates.length; - stream.polygonStart(); - while (++i < n) streamLine(coordinates[i], stream, 1); - stream.polygonEnd(); -} +var arc = function() { + var innerRadius = arcInnerRadius, + outerRadius = arcOuterRadius, + cornerRadius = constant$10(0), + padRadius = null, + startAngle = arcStartAngle, + endAngle = arcEndAngle, + padAngle = arcPadAngle, + context = null; -var geoStream = function(object, stream) { - if (object && streamObjectType.hasOwnProperty(object.type)) { - streamObjectType[object.type](object, stream); - } else { - streamGeometry(object, stream); - } -}; + function arc() { + var buffer, + r, + r0 = +innerRadius.apply(this, arguments), + r1 = +outerRadius.apply(this, arguments), + a0 = startAngle.apply(this, arguments) - halfPi$3, + a1 = endAngle.apply(this, arguments) - halfPi$3, + da = abs$1(a1 - a0), + cw = a1 > a0; -var areaRingSum = adder(); + if (!context) context = buffer = path(); -var areaSum = adder(); -var lambda00; -var phi00; -var lambda0; -var cosPhi0; -var sinPhi0; + // Ensure that the outer radius is always larger than the inner radius. + if (r1 < r0) r = r1, r1 = r0, r0 = r; -var areaStream = { - point: noop$2, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: function() { - areaRingSum.reset(); - areaStream.lineStart = areaRingStart; - areaStream.lineEnd = areaRingEnd; - }, - polygonEnd: function() { - var areaRing = +areaRingSum; - areaSum.add(areaRing < 0 ? tau$4 + areaRing : areaRing); - this.lineStart = this.lineEnd = this.point = noop$2; - }, - sphere: function() { - areaSum.add(tau$4); - } -}; + // Is it a point? + if (!(r1 > epsilon$3)) context.moveTo(0, 0); -function areaRingStart() { - areaStream.point = areaPointFirst; -} + // Or is it a circle or annulus? + else if (da > tau$4 - epsilon$3) { + context.moveTo(r1 * cos$2(a0), r1 * sin$2(a0)); + context.arc(0, 0, r1, a0, a1, !cw); + if (r0 > epsilon$3) { + context.moveTo(r0 * cos$2(a1), r0 * sin$2(a1)); + context.arc(0, 0, r0, a1, a0, cw); + } + } -function areaRingEnd() { - areaPoint(lambda00, phi00); -} + // Or is it a circular or annular sector? + else { + var a01 = a0, + a11 = a1, + a00 = a0, + a10 = a1, + da0 = da, + da1 = da, + ap = padAngle.apply(this, arguments) / 2, + rp = (ap > epsilon$3) && (padRadius ? +padRadius.apply(this, arguments) : sqrt$2(r0 * r0 + r1 * r1)), + rc = min$1(abs$1(r1 - r0) / 2, +cornerRadius.apply(this, arguments)), + rc0 = rc, + rc1 = rc, + t0, + t1; -function areaPointFirst(lambda, phi) { - areaStream.point = areaPoint; - lambda00 = lambda, phi00 = phi; - lambda *= radians, phi *= radians; - lambda0 = lambda, cosPhi0 = cos$1(phi = phi / 2 + quarterPi), sinPhi0 = sin$1(phi); -} + // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0. + if (rp > epsilon$3) { + var p0 = asin$1(rp / r0 * sin$2(ap)), + p1 = asin$1(rp / r1 * sin$2(ap)); + if ((da0 -= p0 * 2) > epsilon$3) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0; + else da0 = 0, a00 = a10 = (a0 + a1) / 2; + if ((da1 -= p1 * 2) > epsilon$3) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1; + else da1 = 0, a01 = a11 = (a0 + a1) / 2; + } -function areaPoint(lambda, phi) { - lambda *= radians, phi *= radians; - phi = phi / 2 + quarterPi; // half the angular distance from south pole + var x01 = r1 * cos$2(a01), + y01 = r1 * sin$2(a01), + x10 = r0 * cos$2(a10), + y10 = r0 * sin$2(a10); - // Spherical excess E for a spherical triangle with vertices: south pole, - // previous point, current point. Uses a formula derived from Cagnoli’s - // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2). - var dLambda = lambda - lambda0, - sdLambda = dLambda >= 0 ? 1 : -1, - adLambda = sdLambda * dLambda, - cosPhi = cos$1(phi), - sinPhi = sin$1(phi), - k = sinPhi0 * sinPhi, - u = cosPhi0 * cosPhi + k * cos$1(adLambda), - v = k * sdLambda * sin$1(adLambda); - areaRingSum.add(atan2(v, u)); + // Apply rounded corners? + if (rc > epsilon$3) { + var x11 = r1 * cos$2(a11), + y11 = r1 * sin$2(a11), + x00 = r0 * cos$2(a00), + y00 = r0 * sin$2(a00); - // Advance the previous points. - lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; -} + // Restrict the corner radius according to the sector angle. + if (da < pi$4) { + var oc = da0 > epsilon$3 ? intersect(x01, y01, x00, y00, x11, y11, x10, y10) : [x10, y10], + ax = x01 - oc[0], + ay = y01 - oc[1], + bx = x11 - oc[0], + by = y11 - oc[1], + kc = 1 / sin$2(acos$1((ax * bx + ay * by) / (sqrt$2(ax * ax + ay * ay) * sqrt$2(bx * bx + by * by))) / 2), + lc = sqrt$2(oc[0] * oc[0] + oc[1] * oc[1]); + rc0 = min$1(rc, (r0 - lc) / (kc - 1)); + rc1 = min$1(rc, (r1 - lc) / (kc + 1)); + } + } -var area$2 = function(object) { - areaSum.reset(); - geoStream(object, areaStream); - return areaSum * 2; -}; + // Is the sector collapsed to a line? + if (!(da1 > epsilon$3)) context.moveTo(x01, y01); -function spherical(cartesian) { - return [atan2(cartesian[1], cartesian[0]), asin$1(cartesian[2])]; -} + // Does the sector’s outer ring have rounded corners? + else if (rc1 > epsilon$3) { + t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw); + t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw); -function cartesian(spherical) { - var lambda = spherical[0], phi = spherical[1], cosPhi = cos$1(phi); - return [cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)]; -} + context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01); + + // Have the corners merged? + if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, atan2$1(t0.y01, t0.x01), atan2$1(t1.y01, t1.x01), !cw); + + // Otherwise, draw the two corners and the ring. + else { + context.arc(t0.cx, t0.cy, rc1, atan2$1(t0.y01, t0.x01), atan2$1(t0.y11, t0.x11), !cw); + context.arc(0, 0, r1, atan2$1(t0.cy + t0.y11, t0.cx + t0.x11), atan2$1(t1.cy + t1.y11, t1.cx + t1.x11), !cw); + context.arc(t1.cx, t1.cy, rc1, atan2$1(t1.y11, t1.x11), atan2$1(t1.y01, t1.x01), !cw); + } + } + + // Or is the outer ring just a circular arc? + else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw); + + // Is there no inner ring, and it’s a circular sector? + // Or perhaps it’s an annular sector collapsed due to padding? + if (!(r0 > epsilon$3) || !(da0 > epsilon$3)) context.lineTo(x10, y10); + + // Does the sector’s inner ring (or point) have rounded corners? + else if (rc0 > epsilon$3) { + t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw); + t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw); + + context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01); + + // Have the corners merged? + if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, atan2$1(t0.y01, t0.x01), atan2$1(t1.y01, t1.x01), !cw); + + // Otherwise, draw the two corners and the ring. + else { + context.arc(t0.cx, t0.cy, rc0, atan2$1(t0.y01, t0.x01), atan2$1(t0.y11, t0.x11), !cw); + context.arc(0, 0, r0, atan2$1(t0.cy + t0.y11, t0.cx + t0.x11), atan2$1(t1.cy + t1.y11, t1.cx + t1.x11), cw); + context.arc(t1.cx, t1.cy, rc0, atan2$1(t1.y11, t1.x11), atan2$1(t1.y01, t1.x01), !cw); + } + } + + // Or is the inner ring just a circular arc? + else context.arc(0, 0, r0, a10, a00, cw); + } -function cartesianDot(a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; -} + context.closePath(); -function cartesianCross(a, b) { - return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]]; -} + if (buffer) return context = null, buffer + "" || null; + } -// TODO return a -function cartesianAddInPlace(a, b) { - a[0] += b[0], a[1] += b[1], a[2] += b[2]; -} + arc.centroid = function() { + var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, + a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi$4 / 2; + return [cos$2(a) * r, sin$2(a) * r]; + }; -function cartesianScale(vector, k) { - return [vector[0] * k, vector[1] * k, vector[2] * k]; -} + arc.innerRadius = function(_) { + return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$10(+_), arc) : innerRadius; + }; -// TODO return d -function cartesianNormalizeInPlace(d) { - var l = sqrt$1(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); - d[0] /= l, d[1] /= l, d[2] /= l; -} + arc.outerRadius = function(_) { + return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$10(+_), arc) : outerRadius; + }; -var lambda0$1; -var phi0; -var lambda1; -var phi1; -var lambda2; -var lambda00$1; -var phi00$1; -var p0; -var deltaSum = adder(); -var ranges; -var range$1; + arc.cornerRadius = function(_) { + return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$10(+_), arc) : cornerRadius; + }; -var boundsStream = { - point: boundsPoint, - lineStart: boundsLineStart, - lineEnd: boundsLineEnd, - polygonStart: function() { - boundsStream.point = boundsRingPoint; - boundsStream.lineStart = boundsRingStart; - boundsStream.lineEnd = boundsRingEnd; - deltaSum.reset(); - areaStream.polygonStart(); - }, - polygonEnd: function() { - areaStream.polygonEnd(); - boundsStream.point = boundsPoint; - boundsStream.lineStart = boundsLineStart; - boundsStream.lineEnd = boundsLineEnd; - if (areaRingSum < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); - else if (deltaSum > epsilon$4) phi1 = 90; - else if (deltaSum < -epsilon$4) phi0 = -90; - range$1[0] = lambda0$1, range$1[1] = lambda1; - } -}; + arc.padRadius = function(_) { + return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$10(+_), arc) : padRadius; + }; -function boundsPoint(lambda, phi) { - ranges.push(range$1 = [lambda0$1 = lambda, lambda1 = lambda]); - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; -} + arc.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$10(+_), arc) : startAngle; + }; -function linePoint(lambda, phi) { - var p = cartesian([lambda * radians, phi * radians]); - if (p0) { - var normal = cartesianCross(p0, p), - equatorial = [normal[1], -normal[0], 0], - inflection = cartesianCross(equatorial, normal); - cartesianNormalizeInPlace(inflection); - inflection = spherical(inflection); - var delta = lambda - lambda2, - sign$$1 = delta > 0 ? 1 : -1, - lambdai = inflection[0] * degrees$1 * sign$$1, - phii, - antimeridian = abs(delta) > 180; - if (antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) { - phii = inflection[1] * degrees$1; - if (phii > phi1) phi1 = phii; - } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) { - phii = -inflection[1] * degrees$1; - if (phii < phi0) phi0 = phii; - } else { - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; - } - if (antimeridian) { - if (lambda < lambda2) { - if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; - } else { - if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; - } - } else { - if (lambda1 >= lambda0$1) { - if (lambda < lambda0$1) lambda0$1 = lambda; - if (lambda > lambda1) lambda1 = lambda; - } else { - if (lambda > lambda2) { - if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; - } else { - if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; - } - } - } - } else { - boundsPoint(lambda, phi); - } - p0 = p, lambda2 = lambda; -} + arc.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$10(+_), arc) : endAngle; + }; -function boundsLineStart() { - boundsStream.point = linePoint; -} + arc.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$10(+_), arc) : padAngle; + }; -function boundsLineEnd() { - range$1[0] = lambda0$1, range$1[1] = lambda1; - boundsStream.point = boundsPoint; - p0 = null; -} + arc.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), arc) : context; + }; -function boundsRingPoint(lambda, phi) { - if (p0) { - var delta = lambda - lambda2; - deltaSum.add(abs(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta); - } else { - lambda00$1 = lambda, phi00$1 = phi; - } - areaStream.point(lambda, phi); - linePoint(lambda, phi); -} + return arc; +}; -function boundsRingStart() { - areaStream.lineStart(); +function Linear(context) { + this._context = context; } -function boundsRingEnd() { - boundsRingPoint(lambda00$1, phi00$1); - areaStream.lineEnd(); - if (abs(deltaSum) > epsilon$4) lambda0$1 = -(lambda1 = 180); - range$1[0] = lambda0$1, range$1[1] = lambda1; - p0 = null; -} +Linear.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; // proceed + default: this._context.lineTo(x, y); break; + } + } +}; -// Finds the left-right distance between two longitudes. -// This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want -// the distance between ±180° to be 360°. -function angle(lambda0, lambda1) { - return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1; -} +var curveLinear = function(context) { + return new Linear(context); +}; -function rangeCompare(a, b) { - return a[0] - b[0]; +function x$3(p) { + return p[0]; } -function rangeContains(range, x) { - return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; +function y$3(p) { + return p[1]; } -var bounds = function(feature) { - var i, n, a, b, merged, deltaMax, delta; +var line = function() { + var x$$1 = x$3, + y$$1 = y$3, + defined = constant$10(true), + context = null, + curve = curveLinear, + output = null; - phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); - ranges = []; - geoStream(feature, boundsStream); + function line(data) { + var i, + n = data.length, + d, + defined0 = false, + buffer; - // First, sort ranges by their minimum longitudes. - if (n = ranges.length) { - ranges.sort(rangeCompare); + if (context == null) output = curve(buffer = path()); - // Then, merge any ranges that overlap. - for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) { - b = ranges[i]; - if (rangeContains(a, b[0]) || rangeContains(a, b[1])) { - if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; - if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; - } else { - merged.push(a = b); + for (i = 0; i <= n; ++i) { + if (!(i < n && defined(d = data[i], i, data)) === defined0) { + if (defined0 = !defined0) output.lineStart(); + else output.lineEnd(); } + if (defined0) output.point(+x$$1(d, i, data), +y$$1(d, i, data)); } - // Finally, find the largest gap between the merged ranges. - // The final bounding box will be the inverse of this gap. - for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) { - b = merged[i]; - if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1]; - } + if (buffer) return output = null, buffer + "" || null; } - ranges = range$1 = null; + line.x = function(_) { + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : x$$1; + }; - return lambda0$1 === Infinity || phi0 === Infinity - ? [[NaN, NaN], [NaN, NaN]] - : [[lambda0$1, phi0], [lambda1, phi1]]; -}; + line.y = function(_) { + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : y$$1; + }; -var W0; -var W1; -var X0; -var Y0; -var Z0; -var X1; -var Y1; -var Z1; -var X2; -var Y2; -var Z2; -var lambda00$2; -var phi00$2; -var x0; -var y0; -var z0; // previous point + line.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$10(!!_), line) : defined; + }; + + line.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; + }; + + line.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; + }; -var centroidStream = { - sphere: noop$2, - point: centroidPoint, - lineStart: centroidLineStart, - lineEnd: centroidLineEnd, - polygonStart: function() { - centroidStream.lineStart = centroidRingStart; - centroidStream.lineEnd = centroidRingEnd; - }, - polygonEnd: function() { - centroidStream.lineStart = centroidLineStart; - centroidStream.lineEnd = centroidLineEnd; - } + return line; }; -// Arithmetic mean of Cartesian vectors. -function centroidPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi); - centroidPointCartesian(cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)); -} +var area$2 = function() { + var x0 = x$3, + x1 = null, + y0 = constant$10(0), + y1 = y$3, + defined = constant$10(true), + context = null, + curve = curveLinear, + output = null; -function centroidPointCartesian(x, y, z) { - ++W0; - X0 += (x - X0) / W0; - Y0 += (y - Y0) / W0; - Z0 += (z - Z0) / W0; -} + function area(data) { + var i, + j, + k, + n = data.length, + d, + defined0 = false, + buffer, + x0z = new Array(n), + y0z = new Array(n); -function centroidLineStart() { - centroidStream.point = centroidLinePointFirst; -} + if (context == null) output = curve(buffer = path()); -function centroidLinePointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi); - x0 = cosPhi * cos$1(lambda); - y0 = cosPhi * sin$1(lambda); - z0 = sin$1(phi); - centroidStream.point = centroidLinePoint; - centroidPointCartesian(x0, y0, z0); -} + for (i = 0; i <= n; ++i) { + if (!(i < n && defined(d = data[i], i, data)) === defined0) { + if (defined0 = !defined0) { + j = i; + output.areaStart(); + output.lineStart(); + } else { + output.lineEnd(); + output.lineStart(); + for (k = i - 1; k >= j; --k) { + output.point(x0z[k], y0z[k]); + } + output.lineEnd(); + output.areaEnd(); + } + } + if (defined0) { + x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data); + output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]); + } + } -function centroidLinePoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi), - x = cosPhi * cos$1(lambda), - y = cosPhi * sin$1(lambda), - z = sin$1(phi), - w = atan2(sqrt$1((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); - W1 += w; - X1 += w * (x0 + (x0 = x)); - Y1 += w * (y0 + (y0 = y)); - Z1 += w * (z0 + (z0 = z)); - centroidPointCartesian(x0, y0, z0); -} + if (buffer) return output = null, buffer + "" || null; + } -function centroidLineEnd() { - centroidStream.point = centroidPoint; -} + function arealine() { + return line().defined(defined).curve(curve).context(context); + } -// See J. E. Brock, The Inertia Tensor for a Spherical Triangle, -// J. Applied Mechanics 42, 239 (1975). -function centroidRingStart() { - centroidStream.point = centroidRingPointFirst; -} + area.x = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$10(+_), x1 = null, area) : x0; + }; -function centroidRingEnd() { - centroidRingPoint(lambda00$2, phi00$2); - centroidStream.point = centroidPoint; -} + area.x0 = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$10(+_), area) : x0; + }; -function centroidRingPointFirst(lambda, phi) { - lambda00$2 = lambda, phi00$2 = phi; - lambda *= radians, phi *= radians; - centroidStream.point = centroidRingPoint; - var cosPhi = cos$1(phi); - x0 = cosPhi * cos$1(lambda); - y0 = cosPhi * sin$1(lambda); - z0 = sin$1(phi); - centroidPointCartesian(x0, y0, z0); -} + area.x1 = function(_) { + return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$10(+_), area) : x1; + }; -function centroidRingPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi), - x = cosPhi * cos$1(lambda), - y = cosPhi * sin$1(lambda), - z = sin$1(phi), - cx = y0 * z - z0 * y, - cy = z0 * x - x0 * z, - cz = x0 * y - y0 * x, - m = sqrt$1(cx * cx + cy * cy + cz * cz), - u = x0 * x + y0 * y + z0 * z, - v = m && -acos(u) / m, // area weight - w = atan2(m, u); // line weight - X2 += v * cx; - Y2 += v * cy; - Z2 += v * cz; - W1 += w; - X1 += w * (x0 + (x0 = x)); - Y1 += w * (y0 + (y0 = y)); - Z1 += w * (z0 + (z0 = z)); - centroidPointCartesian(x0, y0, z0); -} + area.y = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$10(+_), y1 = null, area) : y0; + }; -var centroid$1 = function(object) { - W0 = W1 = - X0 = Y0 = Z0 = - X1 = Y1 = Z1 = - X2 = Y2 = Z2 = 0; - geoStream(object, centroidStream); + area.y0 = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$10(+_), area) : y0; + }; - var x = X2, - y = Y2, - z = Z2, - m = x * x + y * y + z * z; + area.y1 = function(_) { + return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$10(+_), area) : y1; + }; - // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid. - if (m < epsilon2$2) { - x = X1, y = Y1, z = Z1; - // If the feature has zero length, fall back to arithmetic mean of point vectors. - if (W1 < epsilon$4) x = X0, y = Y0, z = Z0; - m = x * x + y * y + z * z; - // If the feature still has an undefined ccentroid, then return. - if (m < epsilon2$2) return [NaN, NaN]; - } + area.lineX0 = + area.lineY0 = function() { + return arealine().x(x0).y(y0); + }; - return [atan2(y, x) * degrees$1, asin$1(z / sqrt$1(m)) * degrees$1]; -}; + area.lineY1 = function() { + return arealine().x(x0).y(y1); + }; -var constant$13 = function(x) { - return function() { - return x; + area.lineX1 = function() { + return arealine().x(x1).y(y0); }; -}; -var compose = function(a, b) { + area.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$10(!!_), area) : defined; + }; - function compose(x, y) { - return x = a(x, y), b(x[0], x[1]); - } + area.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; + }; - if (a.invert && b.invert) compose.invert = function(x, y) { - return x = b.invert(x, y), x && a.invert(x[0], x[1]); + area.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; }; - return compose; + return area; }; -function rotationIdentity(lambda, phi) { - return [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi]; -} +var descending$1 = function(a, b) { + return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; +}; -rotationIdentity.invert = rotationIdentity; +var identity$7 = function(d) { + return d; +}; -function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { - return (deltaLambda %= tau$4) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) - : rotationLambda(deltaLambda)) - : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) - : rotationIdentity); -} +var pie = function() { + var value = identity$7, + sortValues = descending$1, + sort = null, + startAngle = constant$10(0), + endAngle = constant$10(tau$4), + padAngle = constant$10(0); -function forwardRotationLambda(deltaLambda) { - return function(lambda, phi) { - return lambda += deltaLambda, [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi]; - }; -} + function pie(data) { + var i, + n = data.length, + j, + k, + sum = 0, + index = new Array(n), + arcs = new Array(n), + a0 = +startAngle.apply(this, arguments), + da = Math.min(tau$4, Math.max(-tau$4, endAngle.apply(this, arguments) - a0)), + a1, + p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)), + pa = p * (da < 0 ? -1 : 1), + v; -function rotationLambda(deltaLambda) { - var rotation = forwardRotationLambda(deltaLambda); - rotation.invert = forwardRotationLambda(-deltaLambda); - return rotation; -} + for (i = 0; i < n; ++i) { + if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) { + sum += v; + } + } -function rotationPhiGamma(deltaPhi, deltaGamma) { - var cosDeltaPhi = cos$1(deltaPhi), - sinDeltaPhi = sin$1(deltaPhi), - cosDeltaGamma = cos$1(deltaGamma), - sinDeltaGamma = sin$1(deltaGamma); + // Optionally sort the arcs by previously-computed values or by data. + if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); }); + else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); }); - function rotation(lambda, phi) { - var cosPhi = cos$1(phi), - x = cos$1(lambda) * cosPhi, - y = sin$1(lambda) * cosPhi, - z = sin$1(phi), - k = z * cosDeltaPhi + x * sinDeltaPhi; - return [ - atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi), - asin$1(k * cosDeltaGamma + y * sinDeltaGamma) - ]; + // Compute the arcs! They are stored in the original data's order. + for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) { + j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = { + data: data[j], + index: i, + value: v, + startAngle: a0, + endAngle: a1, + padAngle: p + }; + } + + return arcs; } - rotation.invert = function(lambda, phi) { - var cosPhi = cos$1(phi), - x = cos$1(lambda) * cosPhi, - y = sin$1(lambda) * cosPhi, - z = sin$1(phi), - k = z * cosDeltaGamma - y * sinDeltaGamma; - return [ - atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi), - asin$1(k * cosDeltaPhi - x * sinDeltaPhi) - ]; + pie.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant$10(+_), pie) : value; }; - return rotation; -} + pie.sortValues = function(_) { + return arguments.length ? (sortValues = _, sort = null, pie) : sortValues; + }; -var rotation = function(rotate) { - rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); + pie.sort = function(_) { + return arguments.length ? (sort = _, sortValues = null, pie) : sort; + }; - function forward(coordinates) { - coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians); - return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; - } + pie.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$10(+_), pie) : startAngle; + }; - forward.invert = function(coordinates) { - coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians); - return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; + pie.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$10(+_), pie) : endAngle; }; - return forward; + pie.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$10(+_), pie) : padAngle; + }; + + return pie; }; -// Generates a circle centered at [0°, 0°], with a given radius and precision. -function circleStream(stream, radius, delta, direction, t0, t1) { - if (!delta) return; - var cosRadius = cos$1(radius), - sinRadius = sin$1(radius), - step = direction * delta; - if (t0 == null) { - t0 = radius + direction * tau$4; - t1 = radius - step / 2; - } else { - t0 = circleRadius(cosRadius, t0); - t1 = circleRadius(cosRadius, t1); - if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$4; - } - for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) { - point = spherical([cosRadius, -sinRadius * cos$1(t), -sinRadius * sin$1(t)]); - stream.point(point[0], point[1]); - } -} +var curveRadialLinear = curveRadial(curveLinear); -// Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0]. -function circleRadius(cosRadius, point) { - point = cartesian(point), point[0] -= cosRadius; - cartesianNormalizeInPlace(point); - var radius = acos(-point[1]); - return ((-point[2] < 0 ? -radius : radius) + tau$4 - epsilon$4) % tau$4; +function Radial(curve) { + this._curve = curve; } -var circle$1 = function() { - var center = constant$13([0, 0]), - radius = constant$13(90), - precision = constant$13(6), - ring, - rotate, - stream = {point: point}; - - function point(x, y) { - ring.push(x = rotate(x, y)); - x[0] *= degrees$1, x[1] *= degrees$1; +Radial.prototype = { + areaStart: function() { + this._curve.areaStart(); + }, + areaEnd: function() { + this._curve.areaEnd(); + }, + lineStart: function() { + this._curve.lineStart(); + }, + lineEnd: function() { + this._curve.lineEnd(); + }, + point: function(a, r) { + this._curve.point(r * Math.sin(a), r * -Math.cos(a)); } +}; - function circle() { - var c = center.apply(this, arguments), - r = radius.apply(this, arguments) * radians, - p = precision.apply(this, arguments) * radians; - ring = []; - rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert; - circleStream(stream, r, p, 1); - c = {type: "Polygon", coordinates: [ring]}; - ring = rotate = null; - return c; +function curveRadial(curve) { + + function radial(context) { + return new Radial(curve(context)); } - circle.center = function(_) { - return arguments.length ? (center = typeof _ === "function" ? _ : constant$13([+_[0], +_[1]]), circle) : center; - }; + radial._curve = curve; - circle.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$13(+_), circle) : radius; - }; + return radial; +} - circle.precision = function(_) { - return arguments.length ? (precision = typeof _ === "function" ? _ : constant$13(+_), circle) : precision; +function radialLine(l) { + var c = l.curve; + + l.angle = l.x, delete l.x; + l.radius = l.y, delete l.y; + + l.curve = function(_) { + return arguments.length ? c(curveRadial(_)) : c()._curve; }; - return circle; + return l; +} + +var radialLine$1 = function() { + return radialLine(line().curve(curveRadialLinear)); }; -var clipBuffer = function() { - var lines = [], - line; - return { - point: function(x, y) { - line.push([x, y]); - }, - lineStart: function() { - lines.push(line = []); - }, - lineEnd: noop$2, - rejoin: function() { - if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); - }, - result: function() { - var result = lines; - lines = []; - line = null; - return result; - } +var radialArea = function() { + var a = area$2().curve(curveRadialLinear), + c = a.curve, + x0 = a.lineX0, + x1 = a.lineX1, + y0 = a.lineY0, + y1 = a.lineY1; + + a.angle = a.x, delete a.x; + a.startAngle = a.x0, delete a.x0; + a.endAngle = a.x1, delete a.x1; + a.radius = a.y, delete a.y; + a.innerRadius = a.y0, delete a.y0; + a.outerRadius = a.y1, delete a.y1; + a.lineStartAngle = function() { return radialLine(x0()); }, delete a.lineX0; + a.lineEndAngle = function() { return radialLine(x1()); }, delete a.lineX1; + a.lineInnerRadius = function() { return radialLine(y0()); }, delete a.lineY0; + a.lineOuterRadius = function() { return radialLine(y1()); }, delete a.lineY1; + + a.curve = function(_) { + return arguments.length ? c(curveRadial(_)) : c()._curve; }; -}; -var clipLine = function(a, b, x0, y0, x1, y1) { - var ax = a[0], - ay = a[1], - bx = b[0], - by = b[1], - t0 = 0, - t1 = 1, - dx = bx - ax, - dy = by - ay, - r; + return a; +}; - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; +var circle$2 = { + draw: function(context, size) { + var r = Math.sqrt(size / pi$4); + context.moveTo(r, 0); + context.arc(0, 0, r, 0, tau$4); } +}; - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; +var cross$2 = { + draw: function(context, size) { + var r = Math.sqrt(size / 5) / 2; + context.moveTo(-3 * r, -r); + context.lineTo(-r, -r); + context.lineTo(-r, -3 * r); + context.lineTo(r, -3 * r); + context.lineTo(r, -r); + context.lineTo(3 * r, -r); + context.lineTo(3 * r, r); + context.lineTo(r, r); + context.lineTo(r, 3 * r); + context.lineTo(-r, 3 * r); + context.lineTo(-r, r); + context.lineTo(-3 * r, r); + context.closePath(); } +}; - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; +var tan30 = Math.sqrt(1 / 3); +var tan30_2 = tan30 * 2; + +var diamond = { + draw: function(context, size) { + var y = Math.sqrt(size / tan30_2), + x = y * tan30; + context.moveTo(0, -y); + context.lineTo(x, 0); + context.lineTo(0, y); + context.lineTo(-x, 0); + context.closePath(); } +}; - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; +var ka = 0.89081309152928522810; +var kr = Math.sin(pi$4 / 10) / Math.sin(7 * pi$4 / 10); +var kx = Math.sin(tau$4 / 10) * kr; +var ky = -Math.cos(tau$4 / 10) * kr; + +var star = { + draw: function(context, size) { + var r = Math.sqrt(size * ka), + x = kx * r, + y = ky * r; + context.moveTo(0, -r); + context.lineTo(x, y); + for (var i = 1; i < 5; ++i) { + var a = tau$4 * i / 5, + c = Math.cos(a), + s = Math.sin(a); + context.lineTo(s * r, -c * r); + context.lineTo(c * x - s * y, s * x + c * y); + } + context.closePath(); } - - if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; - if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; - return true; }; -var pointEqual = function(a, b) { - return abs(a[0] - b[0]) < epsilon$4 && abs(a[1] - b[1]) < epsilon$4; +var square = { + draw: function(context, size) { + var w = Math.sqrt(size), + x = -w / 2; + context.rect(x, x, w, w); + } }; -function Intersection(point, points, other, entry) { - this.x = point; - this.z = points; - this.o = other; // another intersection - this.e = entry; // is an entry? - this.v = false; // visited - this.n = this.p = null; // next & previous -} - -// A generalized polygon clipping algorithm: given a polygon that has been cut -// into its visible line segments, and rejoins the segments by interpolating -// along the clip edge. -var clipPolygon = function(segments, compareIntersection, startInside, interpolate, stream) { - var subject = [], - clip = [], - i, - n; +var sqrt3 = Math.sqrt(3); - segments.forEach(function(segment) { - if ((n = segment.length - 1) <= 0) return; - var n, p0 = segment[0], p1 = segment[n], x; +var triangle = { + draw: function(context, size) { + var y = -Math.sqrt(size / (sqrt3 * 3)); + context.moveTo(0, y * 2); + context.lineTo(-sqrt3 * y, -y); + context.lineTo(sqrt3 * y, -y); + context.closePath(); + } +}; - // If the first and last points of a segment are coincident, then treat as a - // closed ring. TODO if all rings are closed, then the winding order of the - // exterior ring should be checked. - if (pointEqual(p0, p1)) { - stream.lineStart(); - for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]); - stream.lineEnd(); - return; - } +var c = -0.5; +var s = Math.sqrt(3) / 2; +var k = 1 / Math.sqrt(12); +var a = (k / 2 + 1) * 3; - subject.push(x = new Intersection(p0, segment, null, true)); - clip.push(x.o = new Intersection(p0, null, x, false)); - subject.push(x = new Intersection(p1, segment, null, false)); - clip.push(x.o = new Intersection(p1, null, x, true)); - }); +var wye = { + draw: function(context, size) { + var r = Math.sqrt(size / a), + x0 = r / 2, + y0 = r * k, + x1 = x0, + y1 = r * k + r, + x2 = -x1, + y2 = y1; + context.moveTo(x0, y0); + context.lineTo(x1, y1); + context.lineTo(x2, y2); + context.lineTo(c * x0 - s * y0, s * x0 + c * y0); + context.lineTo(c * x1 - s * y1, s * x1 + c * y1); + context.lineTo(c * x2 - s * y2, s * x2 + c * y2); + context.lineTo(c * x0 + s * y0, c * y0 - s * x0); + context.lineTo(c * x1 + s * y1, c * y1 - s * x1); + context.lineTo(c * x2 + s * y2, c * y2 - s * x2); + context.closePath(); + } +}; - if (!subject.length) return; +var symbols = [ + circle$2, + cross$2, + diamond, + square, + star, + triangle, + wye +]; - clip.sort(compareIntersection); - link$1(subject); - link$1(clip); +var symbol = function() { + var type = constant$10(circle$2), + size = constant$10(64), + context = null; - for (i = 0, n = clip.length; i < n; ++i) { - clip[i].e = startInside = !startInside; + function symbol() { + var buffer; + if (!context) context = buffer = path(); + type.apply(this, arguments).draw(context, +size.apply(this, arguments)); + if (buffer) return context = null, buffer + "" || null; } - var start = subject[0], - points, - point; + symbol.type = function(_) { + return arguments.length ? (type = typeof _ === "function" ? _ : constant$10(_), symbol) : type; + }; - while (1) { - // Find first unvisited intersection. - var current = start, - isSubject = true; - while (current.v) if ((current = current.n) === start) return; - points = current.z; - stream.lineStart(); - do { - current.v = current.o.v = true; - if (current.e) { - if (isSubject) { - for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.n.x, 1, stream); - } - current = current.n; - } else { - if (isSubject) { - points = current.p.z; - for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.p.x, -1, stream); - } - current = current.p; - } - current = current.o; - points = current.z; - isSubject = !isSubject; - } while (!current.v); - stream.lineEnd(); - } + symbol.size = function(_) { + return arguments.length ? (size = typeof _ === "function" ? _ : constant$10(+_), symbol) : size; + }; + + symbol.context = function(_) { + return arguments.length ? (context = _ == null ? null : _, symbol) : context; + }; + + return symbol; }; -function link$1(array) { - if (!(n = array.length)) return; - var n, - i = 0, - a = array[0], - b; - while (++i < n) { - a.n = b = array[i]; - b.p = a; - a = b; - } - a.n = b = array[0]; - b.p = a; +var noop$2 = function() {}; + +function point$2(that, x, y) { + that._context.bezierCurveTo( + (2 * that._x0 + that._x1) / 3, + (2 * that._y0 + that._y1) / 3, + (that._x0 + 2 * that._x1) / 3, + (that._y0 + 2 * that._y1) / 3, + (that._x0 + 4 * that._x1 + x) / 6, + (that._y0 + 4 * that._y1 + y) / 6 + ); } -var clipMax = 1e9; -var clipMin = -clipMax; +function Basis(context) { + this._context = context; +} -// TODO Use d3-polygon’s polygonContains here for the ring check? -// TODO Eliminate duplicate buffering in clipBuffer and polygon.push? +Basis.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 3: point$2(this, this._x1, this._y1); // proceed + case 2: this._context.lineTo(this._x1, this._y1); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed + default: point$2(this, x, y); break; + } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + } +}; -function clipExtent(x0, y0, x1, y1) { +var basis$2 = function(context) { + return new Basis(context); +}; - function visible(x, y) { - return x0 <= x && x <= x1 && y0 <= y && y <= y1; - } +function BasisClosed(context) { + this._context = context; +} - function interpolate(from, to, direction, stream) { - var a = 0, a1 = 0; - if (from == null - || (a = corner(from, direction)) !== (a1 = corner(to, direction)) - || comparePoint(from, to) < 0 ^ direction > 0) { - do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); - while ((a = (a + direction + 4) % 4) !== a1); - } else { - stream.point(to[0], to[1]); +BasisClosed.prototype = { + areaStart: noop$2, + areaEnd: noop$2, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x2, this._y2); + this._context.closePath(); + break; + } + case 2: { + this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3); + this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x2, this._y2); + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + break; + } + } + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._x2 = x, this._y2 = y; break; + case 1: this._point = 2; this._x3 = x, this._y3 = y; break; + case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break; + default: point$2(this, x, y); break; } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; } +}; - function corner(p, direction) { - return abs(p[0] - x0) < epsilon$4 ? direction > 0 ? 0 : 3 - : abs(p[0] - x1) < epsilon$4 ? direction > 0 ? 2 : 1 - : abs(p[1] - y0) < epsilon$4 ? direction > 0 ? 1 : 0 - : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon - } +var basisClosed$1 = function(context) { + return new BasisClosed(context); +}; - function compareIntersection(a, b) { - return comparePoint(a.x, b.x); - } +function BasisOpen(context) { + this._context = context; +} - function comparePoint(a, b) { - var ca = corner(a, 1), - cb = corner(b, 1); - return ca !== cb ? ca - cb - : ca === 0 ? b[1] - a[1] - : ca === 1 ? a[0] - b[0] - : ca === 2 ? a[1] - b[1] - : b[0] - a[0]; +BasisOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = NaN; + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; + case 3: this._point = 4; // proceed + default: point$2(this, x, y); break; + } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; } +}; - return function(stream) { - var activeStream = stream, - bufferStream = clipBuffer(), - segments, - polygon, - ring, - x__, y__, v__, // first point - x_, y_, v_, // previous point - first, - clean; +var basisOpen = function(context) { + return new BasisOpen(context); +}; - var clipStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: polygonStart, - polygonEnd: polygonEnd - }; +function Bundle(context, beta) { + this._basis = new Basis(context); + this._beta = beta; +} - function point(x, y) { - if (visible(x, y)) activeStream.point(x, y); - } +Bundle.prototype = { + lineStart: function() { + this._x = []; + this._y = []; + this._basis.lineStart(); + }, + lineEnd: function() { + var x = this._x, + y = this._y, + j = x.length - 1; - function polygonInside() { - var winding = 0; + if (j > 0) { + var x0 = x[0], + y0 = y[0], + dx = x[j] - x0, + dy = y[j] - y0, + i = -1, + t; - for (var i = 0, n = polygon.length; i < n; ++i) { - for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { - a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; - if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } - else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } - } + while (++i <= j) { + t = i / j; + this._basis.point( + this._beta * x[i] + (1 - this._beta) * (x0 + t * dx), + this._beta * y[i] + (1 - this._beta) * (y0 + t * dy) + ); } - - return winding; } - // Buffer geometry within a polygon and then clip it en masse. - function polygonStart() { - activeStream = bufferStream, segments = [], polygon = [], clean = true; - } + this._x = this._y = null; + this._basis.lineEnd(); + }, + point: function(x, y) { + this._x.push(+x); + this._y.push(+y); + } +}; - function polygonEnd() { - var startInside = polygonInside(), - cleanInside = clean && startInside, - visible = (segments = merge(segments)).length; - if (cleanInside || visible) { - stream.polygonStart(); - if (cleanInside) { - stream.lineStart(); - interpolate(null, null, 1, stream); - stream.lineEnd(); - } - if (visible) { - clipPolygon(segments, compareIntersection, startInside, interpolate, stream); - } - stream.polygonEnd(); - } - activeStream = stream, segments = polygon = ring = null; - } +var bundle = ((function custom(beta) { - function lineStart() { - clipStream.point = linePoint; - if (polygon) polygon.push(ring = []); - first = true; - v_ = false; - x_ = y_ = NaN; - } + function bundle(context) { + return beta === 1 ? new Basis(context) : new Bundle(context, beta); + } - // TODO rather than special-case polygons, simply handle them separately. - // Ideally, coincident intersection points should be jittered to avoid - // clipping issues. - function lineEnd() { - if (segments) { - linePoint(x__, y__); - if (v__ && v_) bufferStream.rejoin(); - segments.push(bufferStream.result()); - } - clipStream.point = point; - if (v_) activeStream.lineEnd(); - } + bundle.beta = function(beta) { + return custom(+beta); + }; - function linePoint(x, y) { - var v = visible(x, y); - if (polygon) ring.push([x, y]); - if (first) { - x__ = x, y__ = y, v__ = v; - first = false; - if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - } - } else { - if (v && v_) activeStream.point(x, y); - else { - var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], - b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; - if (clipLine(a, b, x0, y0, x1, y1)) { - if (!v_) { - activeStream.lineStart(); - activeStream.point(a[0], a[1]); - } - activeStream.point(b[0], b[1]); - if (!v) activeStream.lineEnd(); - clean = false; - } else if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - clean = false; - } - } - } - x_ = x, y_ = y, v_ = v; - } + return bundle; +}))(0.85); - return clipStream; - }; +function point$3(that, x, y) { + that._context.bezierCurveTo( + that._x1 + that._k * (that._x2 - that._x0), + that._y1 + that._k * (that._y2 - that._y0), + that._x2 + that._k * (that._x1 - x), + that._y2 + that._k * (that._y1 - y), + that._x2, + that._y2 + ); } -var extent$1 = function() { - var x0 = 0, - y0 = 0, - x1 = 960, - y1 = 500, - cache, - cacheStream, - clip; +function Cardinal(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; +} - return clip = { - stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = clipExtent(x0, y0, x1, y1)(cacheStream = stream); - }, - extent: function(_) { - return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; +Cardinal.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x2, this._y2); break; + case 3: point$3(this, this._x1, this._y1); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; this._x1 = x, this._y1 = y; break; + case 2: this._point = 3; // proceed + default: point$3(this, x, y); break; } - }; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } }; -var lengthSum = adder(); -var lambda0$2; -var sinPhi0$1; -var cosPhi0$1; - -var lengthStream = { - sphere: noop$2, - point: noop$2, - lineStart: lengthLineStart, - lineEnd: noop$2, - polygonStart: noop$2, - polygonEnd: noop$2 -}; +var cardinal = ((function custom(tension) { -function lengthLineStart() { - lengthStream.point = lengthPointFirst; - lengthStream.lineEnd = lengthLineEnd; -} + function cardinal(context) { + return new Cardinal(context, tension); + } -function lengthLineEnd() { - lengthStream.point = lengthStream.lineEnd = noop$2; -} + cardinal.tension = function(tension) { + return custom(+tension); + }; -function lengthPointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi); - lengthStream.point = lengthPoint; -} + return cardinal; +}))(0); -function lengthPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var sinPhi = sin$1(phi), - cosPhi = cos$1(phi), - delta = abs(lambda - lambda0$2), - cosDelta = cos$1(delta), - sinDelta = sin$1(delta), - x = cosPhi * sinDelta, - y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, - z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; - lengthSum.add(atan2(sqrt$1(x * x + y * y), z)); - lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; +function CardinalClosed(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; } -var length$2 = function(object) { - lengthSum.reset(); - geoStream(object, lengthStream); - return +lengthSum; +CardinalClosed.prototype = { + areaStart: noop$2, + areaEnd: noop$2, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 2: { + this._context.lineTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + this.point(this._x5, this._y5); + break; + } + } + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._x3 = x, this._y3 = y; break; + case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; + case 2: this._point = 3; this._x5 = x, this._y5 = y; break; + default: point$3(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } }; -var coordinates = [null, null]; -var object$1 = {type: "LineString", coordinates: coordinates}; +var cardinalClosed = ((function custom(tension) { -var distance = function(a, b) { - coordinates[0] = a; - coordinates[1] = b; - return length$2(object$1); -}; + function cardinal(context) { + return new CardinalClosed(context, tension); + } -function graticuleX(y0, y1, dy) { - var y = range(y0, y1 - epsilon$4, dy).concat(y1); - return function(x) { return y.map(function(y) { return [x, y]; }); }; -} + cardinal.tension = function(tension) { + return custom(+tension); + }; -function graticuleY(x0, x1, dx) { - var x = range(x0, x1 - epsilon$4, dx).concat(x1); - return function(y) { return x.map(function(x) { return [x, y]; }); }; -} + return cardinal; +}))(0); -function graticule() { - var x1, x0, X1, X0, - y1, y0, Y1, Y0, - dx = 10, dy = dx, DX = 90, DY = 360, - x, y, X, Y, - precision = 2.5; +function CardinalOpen(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; +} - function graticule() { - return {type: "MultiLineString", coordinates: lines()}; +CardinalOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 3: this._point = 4; // proceed + default: point$3(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } +}; - function lines() { - return range(ceil(X0 / DX) * DX, X1, DX).map(X) - .concat(range(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) - .concat(range(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$4; }).map(x)) - .concat(range(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$4; }).map(y)); +var cardinalOpen = ((function custom(tension) { + + function cardinal(context) { + return new CardinalOpen(context, tension); } - graticule.lines = function() { - return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); + cardinal.tension = function(tension) { + return custom(+tension); }; - graticule.outline = function() { - return { - type: "Polygon", - coordinates: [ - X(X0).concat( - Y(Y1).slice(1), - X(X1).reverse().slice(1), - Y(Y0).reverse().slice(1)) - ] - }; - }; + return cardinal; +}))(0); - graticule.extent = function(_) { - if (!arguments.length) return graticule.extentMinor(); - return graticule.extentMajor(_).extentMinor(_); - }; +function point$4(that, x, y) { + var x1 = that._x1, + y1 = that._y1, + x2 = that._x2, + y2 = that._y2; - graticule.extentMajor = function(_) { - if (!arguments.length) return [[X0, Y0], [X1, Y1]]; - X0 = +_[0][0], X1 = +_[1][0]; - Y0 = +_[0][1], Y1 = +_[1][1]; - if (X0 > X1) _ = X0, X0 = X1, X1 = _; - if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; - return graticule.precision(precision); - }; + if (that._l01_a > epsilon$3) { + var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a, + n = 3 * that._l01_a * (that._l01_a + that._l12_a); + x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n; + y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n; + } - graticule.extentMinor = function(_) { - if (!arguments.length) return [[x0, y0], [x1, y1]]; - x0 = +_[0][0], x1 = +_[1][0]; - y0 = +_[0][1], y1 = +_[1][1]; - if (x0 > x1) _ = x0, x0 = x1, x1 = _; - if (y0 > y1) _ = y0, y0 = y1, y1 = _; - return graticule.precision(precision); - }; + if (that._l23_a > epsilon$3) { + var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a, + m = 3 * that._l23_a * (that._l23_a + that._l12_a); + x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m; + y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m; + } - graticule.step = function(_) { - if (!arguments.length) return graticule.stepMinor(); - return graticule.stepMajor(_).stepMinor(_); - }; + that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2); +} - graticule.stepMajor = function(_) { - if (!arguments.length) return [DX, DY]; - DX = +_[0], DY = +_[1]; - return graticule; - }; +function CatmullRom(context, alpha) { + this._context = context; + this._alpha = alpha; +} - graticule.stepMinor = function(_) { - if (!arguments.length) return [dx, dy]; - dx = +_[0], dy = +_[1]; - return graticule; - }; +CatmullRom.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x2, this._y2); break; + case 3: this.point(this._x2, this._y2); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } + + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; // proceed + default: point$4(this, x, y); break; + } + + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } +}; - graticule.precision = function(_) { - if (!arguments.length) return precision; - precision = +_; - x = graticuleX(y0, y1, 90); - y = graticuleY(x0, x1, precision); - X = graticuleX(Y0, Y1, 90); - Y = graticuleY(X0, X1, precision); - return graticule; +var catmullRom = ((function custom(alpha) { + + function catmullRom(context) { + return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); + } + + catmullRom.alpha = function(alpha) { + return custom(+alpha); }; - return graticule - .extentMajor([[-180, -90 + epsilon$4], [180, 90 - epsilon$4]]) - .extentMinor([[-180, -80 - epsilon$4], [180, 80 + epsilon$4]]); -} + return catmullRom; +}))(0.5); -function graticule10() { - return graticule()(); +function CatmullRomClosed(context, alpha) { + this._context = context; + this._alpha = alpha; } -var interpolate$2 = function(a, b) { - var x0 = a[0] * radians, - y0 = a[1] * radians, - x1 = b[0] * radians, - y1 = b[1] * radians, - cy0 = cos$1(y0), - sy0 = sin$1(y0), - cy1 = cos$1(y1), - sy1 = sin$1(y1), - kx0 = cy0 * cos$1(x0), - ky0 = cy0 * sin$1(x0), - kx1 = cy1 * cos$1(x1), - ky1 = cy1 * sin$1(x1), - d = 2 * asin$1(sqrt$1(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), - k = sin$1(d); - - var interpolate = d ? function(t) { - var B = sin$1(t *= d) / k, - A = sin$1(d - t) / k, - x = A * kx0 + B * kx1, - y = A * ky0 + B * ky1, - z = A * sy0 + B * sy1; - return [ - atan2(y, x) * degrees$1, - atan2(z, sqrt$1(x * x + y * y)) * degrees$1 - ]; - } : function() { - return [x0 * degrees$1, y0 * degrees$1]; - }; +CatmullRomClosed.prototype = { + areaStart: noop$2, + areaEnd: noop$2, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 2: { + this._context.lineTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + this.point(this._x5, this._y5); + break; + } + } + }, + point: function(x, y) { + x = +x, y = +y; - interpolate.distance = d; + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } - return interpolate; -}; + switch (this._point) { + case 0: this._point = 1; this._x3 = x, this._y3 = y; break; + case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; + case 2: this._point = 3; this._x5 = x, this._y5 = y; break; + default: point$4(this, x, y); break; + } -var identity$7 = function(x) { - return x; + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } }; -var areaSum$1 = adder(); -var areaRingSum$1 = adder(); -var x00; -var y00; -var x0$1; -var y0$1; +var catmullRomClosed = ((function custom(alpha) { -var areaStream$1 = { - point: noop$2, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: function() { - areaStream$1.lineStart = areaRingStart$1; - areaStream$1.lineEnd = areaRingEnd$1; - }, - polygonEnd: function() { - areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$2; - areaSum$1.add(abs(areaRingSum$1)); - areaRingSum$1.reset(); - }, - result: function() { - var area = areaSum$1 / 2; - areaSum$1.reset(); - return area; + function catmullRom(context) { + return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); } -}; -function areaRingStart$1() { - areaStream$1.point = areaPointFirst$1; -} + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; -function areaPointFirst$1(x, y) { - areaStream$1.point = areaPoint$1; - x00 = x0$1 = x, y00 = y0$1 = y; -} + return catmullRom; +}))(0.5); -function areaPoint$1(x, y) { - areaRingSum$1.add(y0$1 * x - x0$1 * y); - x0$1 = x, y0$1 = y; +function CatmullRomOpen(context, alpha) { + this._context = context; + this._alpha = alpha; } -function areaRingEnd$1() { - areaPoint$1(x00, y00); -} +CatmullRomOpen.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; -var x0$2 = Infinity; -var y0$2 = x0$2; -var x1 = -x0$2; -var y1 = x1; + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } -var boundsStream$1 = { - point: boundsPoint$1, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: noop$2, - polygonEnd: noop$2, - result: function() { - var bounds = [[x0$2, y0$2], [x1, y1]]; - x1 = y1 = -(y0$2 = x0$2 = Infinity); - return bounds; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 3: this._point = 4; // proceed + default: point$4(this, x, y); break; + } + + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } }; -function boundsPoint$1(x, y) { - if (x < x0$2) x0$2 = x; - if (x > x1) x1 = x; - if (y < y0$2) y0$2 = y; - if (y > y1) y1 = y; -} +var catmullRomOpen = ((function custom(alpha) { -// TODO Enforce positive area for exterior, negative area for interior? + function catmullRom(context) { + return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); + } -var X0$1 = 0; -var Y0$1 = 0; -var Z0$1 = 0; -var X1$1 = 0; -var Y1$1 = 0; -var Z1$1 = 0; -var X2$1 = 0; -var Y2$1 = 0; -var Z2$1 = 0; -var x00$1; -var y00$1; -var x0$3; -var y0$3; + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; -var centroidStream$1 = { - point: centroidPoint$1, - lineStart: centroidLineStart$1, - lineEnd: centroidLineEnd$1, - polygonStart: function() { - centroidStream$1.lineStart = centroidRingStart$1; - centroidStream$1.lineEnd = centroidRingEnd$1; + return catmullRom; +}))(0.5); + +function LinearClosed(context) { + this._context = context; +} + +LinearClosed.prototype = { + areaStart: noop$2, + areaEnd: noop$2, + lineStart: function() { + this._point = 0; }, - polygonEnd: function() { - centroidStream$1.point = centroidPoint$1; - centroidStream$1.lineStart = centroidLineStart$1; - centroidStream$1.lineEnd = centroidLineEnd$1; + lineEnd: function() { + if (this._point) this._context.closePath(); }, - result: function() { - var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] - : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] - : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] - : [NaN, NaN]; - X0$1 = Y0$1 = Z0$1 = - X1$1 = Y1$1 = Z1$1 = - X2$1 = Y2$1 = Z2$1 = 0; - return centroid; + point: function(x, y) { + x = +x, y = +y; + if (this._point) this._context.lineTo(x, y); + else this._point = 1, this._context.moveTo(x, y); } }; -function centroidPoint$1(x, y) { - X0$1 += x; - Y0$1 += y; - ++Z0$1; -} +var linearClosed = function(context) { + return new LinearClosed(context); +}; -function centroidLineStart$1() { - centroidStream$1.point = centroidPointFirstLine; +function sign$1(x) { + return x < 0 ? -1 : 1; } -function centroidPointFirstLine(x, y) { - centroidStream$1.point = centroidPointLine; - centroidPoint$1(x0$3 = x, y0$3 = y); +// Calculate the slopes of the tangents (Hermite-type interpolation) based on +// the following paper: Steffen, M. 1990. A Simple Method for Monotonic +// Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO. +// NOV(II), P. 443, 1990. +function slope3(that, x2, y2) { + var h0 = that._x1 - that._x0, + h1 = x2 - that._x1, + s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0), + s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0), + p = (s0 * h1 + s1 * h0) / (h0 + h1); + return (sign$1(s0) + sign$1(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0; } -function centroidPointLine(x, y) { - var dx = x - x0$3, dy = y - y0$3, z = sqrt$1(dx * dx + dy * dy); - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; - centroidPoint$1(x0$3 = x, y0$3 = y); +// Calculate a one-sided slope. +function slope2(that, t) { + var h = that._x1 - that._x0; + return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t; } -function centroidLineEnd$1() { - centroidStream$1.point = centroidPoint$1; +// According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations +// "you can express cubic Hermite interpolation in terms of cubic Bézier curves +// with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1". +function point$5(that, t0, t1) { + var x0 = that._x0, + y0 = that._y0, + x1 = that._x1, + y1 = that._y1, + dx = (x1 - x0) / 3; + that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1); } -function centroidRingStart$1() { - centroidStream$1.point = centroidPointFirstRing; +function MonotoneX(context) { + this._context = context; } -function centroidRingEnd$1() { - centroidPointRing(x00$1, y00$1); +MonotoneX.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = + this._t0 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x1, this._y1); break; + case 3: point$5(this, this._t0, slope2(this, this._t0)); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + var t1 = NaN; + + x = +x, y = +y; + if (x === this._x1 && y === this._y1) return; // Ignore coincident points. + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; point$5(this, slope2(this, t1 = slope3(this, x, y)), t1); break; + default: point$5(this, this._t0, t1 = slope3(this, x, y)); break; + } + + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + this._t0 = t1; + } +}; + +function MonotoneY(context) { + this._context = new ReflectContext(context); } -function centroidPointFirstRing(x, y) { - centroidStream$1.point = centroidPointRing; - centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); +(MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) { + MonotoneX.prototype.point.call(this, y, x); +}; + +function ReflectContext(context) { + this._context = context; } -function centroidPointRing(x, y) { - var dx = x - x0$3, - dy = y - y0$3, - z = sqrt$1(dx * dx + dy * dy); +ReflectContext.prototype = { + moveTo: function(x, y) { this._context.moveTo(y, x); }, + closePath: function() { this._context.closePath(); }, + lineTo: function(x, y) { this._context.lineTo(y, x); }, + bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); } +}; - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; +function monotoneX(context) { + return new MonotoneX(context); +} - z = y0$3 * x - x0$3 * y; - X2$1 += z * (x0$3 + x); - Y2$1 += z * (y0$3 + y); - Z2$1 += z * 3; - centroidPoint$1(x0$3 = x, y0$3 = y); +function monotoneY(context) { + return new MonotoneY(context); } -function PathContext(context) { +function Natural(context) { this._context = context; } -PathContext.prototype = { - _radius: 4.5, - pointRadius: function(_) { - return this._radius = _, this; - }, - polygonStart: function() { +Natural.prototype = { + areaStart: function() { this._line = 0; }, - polygonEnd: function() { + areaEnd: function() { this._line = NaN; }, lineStart: function() { - this._point = 0; + this._x = []; + this._y = []; }, lineEnd: function() { - if (this._line === 0) this._context.closePath(); - this._point = NaN; - }, - point: function(x, y) { - switch (this._point) { - case 0: { - this._context.moveTo(x, y); - this._point = 1; - break; - } - case 1: { - this._context.lineTo(x, y); - break; - } - default: { - this._context.moveTo(x + this._radius, y); - this._context.arc(x, y, this._radius, 0, tau$4); - break; + var x = this._x, + y = this._y, + n = x.length; + + if (n) { + this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]); + if (n === 2) { + this._context.lineTo(x[1], y[1]); + } else { + var px = controlPoints(x), + py = controlPoints(y); + for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) { + this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]); + } } } + + if (this._line || (this._line !== 0 && n === 1)) this._context.closePath(); + this._line = 1 - this._line; + this._x = this._y = null; }, - result: noop$2 + point: function(x, y) { + this._x.push(+x); + this._y.push(+y); + } }; -function PathString() { - this._string = []; +// See https://www.particleincell.com/2012/bezier-splines/ for derivation. +function controlPoints(x) { + var i, + n = x.length - 1, + m, + a = new Array(n), + b = new Array(n), + r = new Array(n); + a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1]; + for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1]; + a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n]; + for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1]; + a[n - 1] = r[n - 1] / b[n - 1]; + for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i]; + b[n - 1] = (x[n] + a[n - 1]) / 2; + for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1]; + return [a, b]; } -PathString.prototype = { - _circle: circle$2(4.5), - pointRadius: function(_) { - return this._circle = circle$2(_), this; - }, - polygonStart: function() { +var natural = function(context) { + return new Natural(context); +}; + +function Step(context, t) { + this._context = context; + this._t = t; +} + +Step.prototype = { + areaStart: function() { this._line = 0; }, - polygonEnd: function() { + areaEnd: function() { this._line = NaN; }, lineStart: function() { + this._x = this._y = NaN; this._point = 0; }, lineEnd: function() { - if (this._line === 0) this._string.push("Z"); - this._point = NaN; + if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y); + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line; }, point: function(x, y) { + x = +x, y = +y; switch (this._point) { - case 0: { - this._string.push("M", x, ",", y); - this._point = 1; - break; - } - case 1: { - this._string.push("L", x, ",", y); - break; - } + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; // proceed default: { - this._string.push("M", x, ",", y, this._circle); + if (this._t <= 0) { + this._context.lineTo(this._x, y); + this._context.lineTo(x, y); + } else { + var x1 = this._x * (1 - this._t) + x * this._t; + this._context.lineTo(x1, this._y); + this._context.lineTo(x1, y); + } break; } } - }, - result: function() { - if (this._string.length) { - var result = this._string.join(""); - this._string = []; - return result; + this._x = x, this._y = y; + } +}; + +var step = function(context) { + return new Step(context, 0.5); +}; + +function stepBefore(context) { + return new Step(context, 0); +} + +function stepAfter(context) { + return new Step(context, 1); +} + +var slice$5 = Array.prototype.slice; + +var none$1 = function(series, order) { + if (!((n = series.length) > 1)) return; + for (var i = 1, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { + s0 = s1, s1 = series[order[i]]; + for (var j = 0; j < m; ++j) { + s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; } } }; -function circle$2(radius) { - return "m0," + radius - + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius - + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius - + "z"; +var none$2 = function(series) { + var n = series.length, o = new Array(n); + while (--n >= 0) o[n] = n; + return o; +}; + +function stackValue(d, key) { + return d[key]; } -var index$3 = function(projection, context) { - var pointRadius = 4.5, - projectionStream, - contextStream; +var stack = function() { + var keys = constant$10([]), + order = none$2, + offset = none$1, + value = stackValue; - function path(object) { - if (object) { - if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); - geoStream(object, projectionStream(contextStream)); + function stack(data) { + var kz = keys.apply(this, arguments), + i, + m = data.length, + n = kz.length, + sz = new Array(n), + oz; + + for (i = 0; i < n; ++i) { + for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) { + si[j] = sij = [0, +value(data[j], ki, j, data)]; + sij.data = data[j]; + } + si.key = ki; } - return contextStream.result(); - } - path.area = function(object) { - geoStream(object, projectionStream(areaStream$1)); - return areaStream$1.result(); - }; + for (i = 0, oz = order(sz); i < n; ++i) { + sz[oz[i]].index = i; + } - path.bounds = function(object) { - geoStream(object, projectionStream(boundsStream$1)); - return boundsStream$1.result(); - }; + offset(sz, oz); + return sz; + } - path.centroid = function(object) { - geoStream(object, projectionStream(centroidStream$1)); - return centroidStream$1.result(); + stack.keys = function(_) { + return arguments.length ? (keys = typeof _ === "function" ? _ : constant$10(slice$5.call(_)), stack) : keys; }; - path.projection = function(_) { - return arguments.length ? (projectionStream = _ == null ? (projection = null, identity$7) : (projection = _).stream, path) : projection; + stack.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant$10(+_), stack) : value; }; - path.context = function(_) { - if (!arguments.length) return context; - contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); - if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); - return path; + stack.order = function(_) { + return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$10(slice$5.call(_)), stack) : order; }; - path.pointRadius = function(_) { - if (!arguments.length) return pointRadius; - pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); - return path; + stack.offset = function(_) { + return arguments.length ? (offset = _ == null ? none$1 : _, stack) : offset; }; - return path.projection(projection).context(context); + return stack; }; -var sum$2 = adder(); +var expand = function(series, order) { + if (!((n = series.length) > 0)) return; + for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { + for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; + if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; + } + none$1(series, order); +}; -var polygonContains = function(polygon, point) { - var lambda = point[0], - phi = point[1], - normal = [sin$1(lambda), -cos$1(lambda), 0], - angle = 0, - winding = 0; +var silhouette = function(series, order) { + if (!((n = series.length) > 0)) return; + for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { + for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; + s0[j][1] += s0[j][0] = -y / 2; + } + none$1(series, order); +}; - sum$2.reset(); +var wiggle = function(series, order) { + if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; + for (var y = 0, j = 1, s0, m, n; j < m; ++j) { + for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { + var si = series[order[i]], + sij0 = si[j][1] || 0, + sij1 = si[j - 1][1] || 0, + s3 = (sij0 - sij1) / 2; + for (var k = 0; k < i; ++k) { + var sk = series[order[k]], + skj0 = sk[j][1] || 0, + skj1 = sk[j - 1][1] || 0; + s3 += skj0 - skj1; + } + s1 += sij0, s2 += s3 * sij0; + } + s0[j - 1][1] += s0[j - 1][0] = y; + if (s1) y -= s2 / s1; + } + s0[j - 1][1] += s0[j - 1][0] = y; + none$1(series, order); +}; - for (var i = 0, n = polygon.length; i < n; ++i) { - if (!(m = (ring = polygon[i]).length)) continue; - var ring, - m, - point0 = ring[m - 1], - lambda0 = point0[0], - phi0 = point0[1] / 2 + quarterPi, - sinPhi0 = sin$1(phi0), - cosPhi0 = cos$1(phi0); +var ascending$2 = function(series) { + var sums = series.map(sum$2); + return none$2(series).sort(function(a, b) { return sums[a] - sums[b]; }); +}; - for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { - var point1 = ring[j], - lambda1 = point1[0], - phi1 = point1[1] / 2 + quarterPi, - sinPhi1 = sin$1(phi1), - cosPhi1 = cos$1(phi1), - delta = lambda1 - lambda0, - sign$$1 = delta >= 0 ? 1 : -1, - absDelta = sign$$1 * delta, - antimeridian = absDelta > pi$4, - k = sinPhi0 * sinPhi1; +function sum$2(series) { + var s = 0, i = -1, n = series.length, v; + while (++i < n) if (v = +series[i][1]) s += v; + return s; +} - sum$2.add(atan2(k * sign$$1 * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); - angle += antimeridian ? delta + sign$$1 * tau$4 : delta; +var descending$2 = function(series) { + return ascending$2(series).reverse(); +}; - // Are the longitudes either side of the point’s meridian (lambda), - // and are the latitudes smaller than the parallel (phi)? - if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) { - var arc = cartesianCross(cartesian(point0), cartesian(point1)); - cartesianNormalizeInPlace(arc); - var intersection = cartesianCross(normal, arc); - cartesianNormalizeInPlace(intersection); - var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin$1(intersection[2]); - if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) { - winding += antimeridian ^ delta >= 0 ? 1 : -1; - } - } +var insideOut = function(series) { + var n = series.length, + i, + j, + sums = series.map(sum$2), + order = none$2(series).sort(function(a, b) { return sums[b] - sums[a]; }), + top = 0, + bottom = 0, + tops = [], + bottoms = []; + + for (i = 0; i < n; ++i) { + j = order[i]; + if (top < bottom) { + top += sums[j]; + tops.push(j); + } else { + bottom += sums[j]; + bottoms.push(j); } } - // First, determine whether the South pole is inside or outside: - // - // It is inside if: - // * the polygon winds around it in a clockwise direction. - // * the polygon does not (cumulatively) wind around it, but has a negative - // (counter-clockwise) area. - // - // Second, count the (signed) number of times a segment crosses a lambda - // from the point to the South pole. If it is zero, then the point is the - // same side as the South pole. + return bottoms.reverse().concat(tops); +}; - return (angle < -epsilon$4 || angle < epsilon$4 && sum$2 < -epsilon$4) ^ (winding & 1); +var reverse = function(series) { + return none$2(series).reverse(); }; -var clip = function(pointVisible, clipLine, interpolate, start) { - return function(rotate, sink) { - var line = clipLine(sink), - rotatedStart = rotate.invert(start[0], start[1]), - ringBuffer = clipBuffer(), - ringSink = clipLine(ringBuffer), - polygonStarted = false, - polygon, - segments, - ring; +var constant$11 = function(x) { + return function() { + return x; + }; +}; - var clip = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - clip.point = pointRing; - clip.lineStart = ringStart; - clip.lineEnd = ringEnd; - segments = []; - polygon = []; - }, - polygonEnd: function() { - clip.point = point; - clip.lineStart = lineStart; - clip.lineEnd = lineEnd; - segments = merge(segments); - var startInside = polygonContains(polygon, rotatedStart); - if (segments.length) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - clipPolygon(segments, compareIntersection, startInside, interpolate, sink); - } else if (startInside) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - } - if (polygonStarted) sink.polygonEnd(), polygonStarted = false; - segments = polygon = null; - }, - sphere: function() { - sink.polygonStart(); - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - sink.polygonEnd(); - } - }; +function x$4(d) { + return d[0]; +} - function point(lambda, phi) { - var point = rotate(lambda, phi); - if (pointVisible(lambda = point[0], phi = point[1])) sink.point(lambda, phi); - } +function y$4(d) { + return d[1]; +} + +function RedBlackTree() { + this._ = null; // root node +} + +function RedBlackNode(node) { + node.U = // parent node + node.C = // color - true for red, false for black + node.L = // left node + node.R = // right node + node.P = // previous node + node.N = null; // next node +} + +RedBlackTree.prototype = { + constructor: RedBlackTree, - function pointLine(lambda, phi) { - var point = rotate(lambda, phi); - line.point(point[0], point[1]); - } + insert: function(after, node) { + var parent, grandpa, uncle; - function lineStart() { - clip.point = pointLine; - line.lineStart(); + if (after) { + node.P = after; + node.N = after.N; + if (after.N) after.N.P = node; + after.N = node; + if (after.R) { + after = after.R; + while (after.L) after = after.L; + after.L = node; + } else { + after.R = node; + } + parent = after; + } else if (this._) { + after = RedBlackFirst(this._); + node.P = null; + node.N = after; + after.P = after.L = node; + parent = after; + } else { + node.P = node.N = null; + this._ = node; + parent = null; } + node.L = node.R = null; + node.U = parent; + node.C = true; - function lineEnd() { - clip.point = point; - line.lineEnd(); + after = node; + while (parent && parent.C) { + grandpa = parent.U; + if (parent === grandpa.L) { + uncle = grandpa.R; + if (uncle && uncle.C) { + parent.C = uncle.C = false; + grandpa.C = true; + after = grandpa; + } else { + if (after === parent.R) { + RedBlackRotateLeft(this, parent); + after = parent; + parent = after.U; + } + parent.C = false; + grandpa.C = true; + RedBlackRotateRight(this, grandpa); + } + } else { + uncle = grandpa.L; + if (uncle && uncle.C) { + parent.C = uncle.C = false; + grandpa.C = true; + after = grandpa; + } else { + if (after === parent.L) { + RedBlackRotateRight(this, parent); + after = parent; + parent = after.U; + } + parent.C = false; + grandpa.C = true; + RedBlackRotateLeft(this, grandpa); + } + } + parent = after.U; } + this._.C = false; + }, - function pointRing(lambda, phi) { - ring.push([lambda, phi]); - var point = rotate(lambda, phi); - ringSink.point(point[0], point[1]); - } + remove: function(node) { + if (node.N) node.N.P = node.P; + if (node.P) node.P.N = node.N; + node.N = node.P = null; - function ringStart() { - ringSink.lineStart(); - ring = []; - } + var parent = node.U, + sibling, + left = node.L, + right = node.R, + next, + red; - function ringEnd() { - pointRing(ring[0][0], ring[0][1]); - ringSink.lineEnd(); + if (!left) next = right; + else if (!right) next = left; + else next = RedBlackFirst(right); - var clean = ringSink.clean(), - ringSegments = ringBuffer.result(), - i, n = ringSegments.length, m, - segment, - point; + if (parent) { + if (parent.L === node) parent.L = next; + else parent.R = next; + } else { + this._ = next; + } - ring.pop(); - polygon.push(ring); - ring = null; + if (left && right) { + red = next.C; + next.C = node.C; + next.L = left; + left.U = next; + if (next !== right) { + parent = next.U; + next.U = node.U; + node = next.R; + parent.L = node; + next.R = right; + right.U = next; + } else { + next.U = parent; + parent = next; + node = next.R; + } + } else { + red = node.C; + node = next; + } - if (!n) return; + if (node) node.U = parent; + if (red) return; + if (node && node.C) { node.C = false; return; } - // No intersections. - if (clean & 1) { - segment = ringSegments[0]; - if ((m = segment.length - 1) > 0) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); - sink.lineEnd(); + do { + if (node === this._) break; + if (node === parent.L) { + sibling = parent.R; + if (sibling.C) { + sibling.C = false; + parent.C = true; + RedBlackRotateLeft(this, parent); + sibling = parent.R; + } + if ((sibling.L && sibling.L.C) + || (sibling.R && sibling.R.C)) { + if (!sibling.R || !sibling.R.C) { + sibling.L.C = false; + sibling.C = true; + RedBlackRotateRight(this, sibling); + sibling = parent.R; + } + sibling.C = parent.C; + parent.C = sibling.R.C = false; + RedBlackRotateLeft(this, parent); + node = this._; + break; + } + } else { + sibling = parent.L; + if (sibling.C) { + sibling.C = false; + parent.C = true; + RedBlackRotateRight(this, parent); + sibling = parent.L; + } + if ((sibling.L && sibling.L.C) + || (sibling.R && sibling.R.C)) { + if (!sibling.L || !sibling.L.C) { + sibling.R.C = false; + sibling.C = true; + RedBlackRotateLeft(this, sibling); + sibling = parent.L; + } + sibling.C = parent.C; + parent.C = sibling.L.C = false; + RedBlackRotateRight(this, parent); + node = this._; + break; } - return; } + sibling.C = true; + node = parent; + parent = parent.U; + } while (!node.C); - // Rejoin connected segments. - // TODO reuse ringBuffer.rejoin()? - if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); + if (node) node.C = false; + } +}; - segments.push(ringSegments.filter(validSegment)); - } +function RedBlackRotateLeft(tree, node) { + var p = node, + q = node.R, + parent = p.U; - return clip; - }; -}; + if (parent) { + if (parent.L === p) parent.L = q; + else parent.R = q; + } else { + tree._ = q; + } -function validSegment(segment) { - return segment.length > 1; + q.U = parent; + p.U = q; + p.R = q.L; + if (p.R) p.R.U = p; + q.L = p; } -// Intersections are sorted along the clip edge. For both antimeridian cutting -// and circle clipping, the same comparison is used. -function compareIntersection(a, b) { - return ((a = a.x)[0] < 0 ? a[1] - halfPi$3 - epsilon$4 : halfPi$3 - a[1]) - - ((b = b.x)[0] < 0 ? b[1] - halfPi$3 - epsilon$4 : halfPi$3 - b[1]); -} +function RedBlackRotateRight(tree, node) { + var p = node, + q = node.L, + parent = p.U; -var clipAntimeridian = clip( - function() { return true; }, - clipAntimeridianLine, - clipAntimeridianInterpolate, - [-pi$4, -halfPi$3] -); + if (parent) { + if (parent.L === p) parent.L = q; + else parent.R = q; + } else { + tree._ = q; + } -// Takes a line and cuts into visible segments. Return values: 0 - there were -// intersections or the line was empty; 1 - no intersections; 2 - there were -// intersections, and the first and last segments should be rejoined. -function clipAntimeridianLine(stream) { - var lambda0 = NaN, - phi0 = NaN, - sign0 = NaN, - clean; // no intersections + q.U = parent; + p.U = q; + p.L = q.R; + if (p.L) p.L.U = p; + q.R = p; +} - return { - lineStart: function() { - stream.lineStart(); - clean = 1; - }, - point: function(lambda1, phi1) { - var sign1 = lambda1 > 0 ? pi$4 : -pi$4, - delta = abs(lambda1 - lambda0); - if (abs(delta - pi$4) < epsilon$4) { // line crosses a pole - stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$3 : -halfPi$3); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - stream.point(lambda1, phi0); - clean = 0; - } else if (sign0 !== sign1 && delta >= pi$4) { // line crosses antimeridian - if (abs(lambda0 - sign0) < epsilon$4) lambda0 -= sign0 * epsilon$4; // handle degeneracies - if (abs(lambda1 - sign1) < epsilon$4) lambda1 -= sign1 * epsilon$4; - phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - clean = 0; - } - stream.point(lambda0 = lambda1, phi0 = phi1); - sign0 = sign1; - }, - lineEnd: function() { - stream.lineEnd(); - lambda0 = phi0 = NaN; - }, - clean: function() { - return 2 - clean; // if intersections, rejoin first and last segments - } - }; +function RedBlackFirst(node) { + while (node.L) node = node.L; + return node; } -function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { - var cosPhi0, - cosPhi1, - sinLambda0Lambda1 = sin$1(lambda0 - lambda1); - return abs(sinLambda0Lambda1) > epsilon$4 - ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) - - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) - / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) - : (phi0 + phi1) / 2; +function createEdge(left, right, v0, v1) { + var edge = [null, null], + index = edges.push(edge) - 1; + edge.left = left; + edge.right = right; + if (v0) setEdgeEnd(edge, left, right, v0); + if (v1) setEdgeEnd(edge, right, left, v1); + cells[left.index].halfedges.push(index); + cells[right.index].halfedges.push(index); + return edge; } -function clipAntimeridianInterpolate(from, to, direction, stream) { - var phi; - if (from == null) { - phi = direction * halfPi$3; - stream.point(-pi$4, phi); - stream.point(0, phi); - stream.point(pi$4, phi); - stream.point(pi$4, 0); - stream.point(pi$4, -phi); - stream.point(0, -phi); - stream.point(-pi$4, -phi); - stream.point(-pi$4, 0); - stream.point(-pi$4, phi); - } else if (abs(from[0] - to[0]) > epsilon$4) { - var lambda = from[0] < to[0] ? pi$4 : -pi$4; - phi = direction * lambda / 2; - stream.point(-lambda, phi); - stream.point(0, phi); - stream.point(lambda, phi); +function createBorderEdge(left, v0, v1) { + var edge = [v0, v1]; + edge.left = left; + return edge; +} + +function setEdgeEnd(edge, left, right, vertex) { + if (!edge[0] && !edge[1]) { + edge[0] = vertex; + edge.left = left; + edge.right = right; + } else if (edge.left === right) { + edge[1] = vertex; } else { - stream.point(to[0], to[1]); + edge[0] = vertex; } } -var clipCircle = function(radius, delta) { - var cr = cos$1(radius), - smallRadius = cr > 0, - notHemisphere = abs(cr) > epsilon$4; // TODO optimise for this common case +// Liang–Barsky line clipping. +function clipEdge(edge, x0, y0, x1, y1) { + var a = edge[0], + b = edge[1], + ax = a[0], + ay = a[1], + bx = b[0], + by = b[1], + t0 = 0, + t1 = 1, + dx = bx - ax, + dy = by - ay, + r; - function interpolate(from, to, direction, stream) { - circleStream(stream, radius, delta, direction, from, to); + r = x0 - ax; + if (!dx && r > 0) return; + r /= dx; + if (dx < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dx > 0) { + if (r > t1) return; + if (r > t0) t0 = r; } - function visible(lambda, phi) { - return cos$1(lambda) * cos$1(phi) > cr; + r = x1 - ax; + if (!dx && r < 0) return; + r /= dx; + if (dx < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dx > 0) { + if (r < t0) return; + if (r < t1) t1 = r; } - // Takes a line and cuts into visible segments. Return values used for polygon - // clipping: 0 - there were intersections or the line was empty; 1 - no - // intersections 2 - there were intersections, and the first and last segments - // should be rejoined. - function clipLine(stream) { - var point0, // previous point - c0, // code for previous point - v0, // visibility of previous point - v00, // visibility of first point - clean; // no intersections - return { - lineStart: function() { - v00 = v0 = false; - clean = 1; - }, - point: function(lambda, phi) { - var point1 = [lambda, phi], - point2, - v = visible(lambda, phi), - c = smallRadius - ? v ? 0 : code(lambda, phi) - : v ? code(lambda + (lambda < 0 ? pi$4 : -pi$4), phi) : 0; - if (!point0 && (v00 = v0 = v)) stream.lineStart(); - // Handle degeneracies. - // TODO ignore if not clipping polygons. - if (v !== v0) { - point2 = intersect(point0, point1); - if (pointEqual(point0, point2) || pointEqual(point1, point2)) { - point1[0] += epsilon$4; - point1[1] += epsilon$4; - v = visible(point1[0], point1[1]); - } - } - if (v !== v0) { - clean = 0; - if (v) { - // outside going in - stream.lineStart(); - point2 = intersect(point1, point0); - stream.point(point2[0], point2[1]); - } else { - // inside going out - point2 = intersect(point0, point1); - stream.point(point2[0], point2[1]); - stream.lineEnd(); - } - point0 = point2; - } else if (notHemisphere && point0 && smallRadius ^ v) { - var t; - // If the codes for two points are different, or are both zero, - // and there this segment intersects with the small circle. - if (!(c & c0) && (t = intersect(point1, point0, true))) { - clean = 0; - if (smallRadius) { - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - } else { - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - } - } - } - if (v && (!point0 || !pointEqual(point0, point1))) { - stream.point(point1[0], point1[1]); - } - point0 = point1, v0 = v, c0 = c; - }, - lineEnd: function() { - if (v0) stream.lineEnd(); - point0 = null; - }, - // Rejoin first and last segments if there were intersections and the first - // and last points were visible. - clean: function() { - return clean | ((v00 && v0) << 1); + r = y0 - ay; + if (!dy && r > 0) return; + r /= dy; + if (dy < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dy > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = y1 - ay; + if (!dy && r < 0) return; + r /= dy; + if (dy < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dy > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + if (!(t0 > 0) && !(t1 < 1)) return true; // TODO Better check? + + if (t0 > 0) edge[0] = [ax + t0 * dx, ay + t0 * dy]; + if (t1 < 1) edge[1] = [ax + t1 * dx, ay + t1 * dy]; + return true; +} + +function connectEdge(edge, x0, y0, x1, y1) { + var v1 = edge[1]; + if (v1) return true; + + var v0 = edge[0], + left = edge.left, + right = edge.right, + lx = left[0], + ly = left[1], + rx = right[0], + ry = right[1], + fx = (lx + rx) / 2, + fy = (ly + ry) / 2, + fm, + fb; + + if (ry === ly) { + if (fx < x0 || fx >= x1) return; + if (lx > rx) { + if (!v0) v0 = [fx, y0]; + else if (v0[1] >= y1) return; + v1 = [fx, y1]; + } else { + if (!v0) v0 = [fx, y1]; + else if (v0[1] < y0) return; + v1 = [fx, y0]; + } + } else { + fm = (lx - rx) / (ry - ly); + fb = fy - fm * fx; + if (fm < -1 || fm > 1) { + if (lx > rx) { + if (!v0) v0 = [(y0 - fb) / fm, y0]; + else if (v0[1] >= y1) return; + v1 = [(y1 - fb) / fm, y1]; + } else { + if (!v0) v0 = [(y1 - fb) / fm, y1]; + else if (v0[1] < y0) return; + v1 = [(y0 - fb) / fm, y0]; } - }; + } else { + if (ly < ry) { + if (!v0) v0 = [x0, fm * x0 + fb]; + else if (v0[0] >= x1) return; + v1 = [x1, fm * x1 + fb]; + } else { + if (!v0) v0 = [x1, fm * x1 + fb]; + else if (v0[0] < x0) return; + v1 = [x0, fm * x0 + fb]; + } + } } - // Intersects the great circle between a and b with the clip circle. - function intersect(a, b, two) { - var pa = cartesian(a), - pb = cartesian(b); + edge[0] = v0; + edge[1] = v1; + return true; +} - // We have two planes, n1.p = d1 and n2.p = d2. - // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). - var n1 = [1, 0, 0], // normal - n2 = cartesianCross(pa, pb), - n2n2 = cartesianDot(n2, n2), - n1n2 = n2[0], // cartesianDot(n1, n2), - determinant = n2n2 - n1n2 * n1n2; +function clipEdges(x0, y0, x1, y1) { + var i = edges.length, + edge; - // Two polar points. - if (!determinant) return !two && a; + while (i--) { + if (!connectEdge(edge = edges[i], x0, y0, x1, y1) + || !clipEdge(edge, x0, y0, x1, y1) + || !(Math.abs(edge[0][0] - edge[1][0]) > epsilon$4 + || Math.abs(edge[0][1] - edge[1][1]) > epsilon$4)) { + delete edges[i]; + } + } +} - var c1 = cr * n2n2 / determinant, - c2 = -cr * n1n2 / determinant, - n1xn2 = cartesianCross(n1, n2), - A = cartesianScale(n1, c1), - B = cartesianScale(n2, c2); - cartesianAddInPlace(A, B); +function createCell(site) { + return cells[site.index] = { + site: site, + halfedges: [] + }; +} - // Solve |p(t)|^2 = 1. - var u = n1xn2, - w = cartesianDot(A, u), - uu = cartesianDot(u, u), - t2 = w * w - uu * (cartesianDot(A, A) - 1); +function cellHalfedgeAngle(cell, edge) { + var site = cell.site, + va = edge.left, + vb = edge.right; + if (site === vb) vb = va, va = site; + if (vb) return Math.atan2(vb[1] - va[1], vb[0] - va[0]); + if (site === va) va = edge[1], vb = edge[0]; + else va = edge[0], vb = edge[1]; + return Math.atan2(va[0] - vb[0], vb[1] - va[1]); +} - if (t2 < 0) return; +function cellHalfedgeStart(cell, edge) { + return edge[+(edge.left !== cell.site)]; +} - var t = sqrt$1(t2), - q = cartesianScale(u, (-w - t) / uu); - cartesianAddInPlace(q, A); - q = spherical(q); +function cellHalfedgeEnd(cell, edge) { + return edge[+(edge.left === cell.site)]; +} - if (!two) return q; +function sortCellHalfedges() { + for (var i = 0, n = cells.length, cell, halfedges, j, m; i < n; ++i) { + if ((cell = cells[i]) && (m = (halfedges = cell.halfedges).length)) { + var index = new Array(m), + array = new Array(m); + for (j = 0; j < m; ++j) index[j] = j, array[j] = cellHalfedgeAngle(cell, edges[halfedges[j]]); + index.sort(function(i, j) { return array[j] - array[i]; }); + for (j = 0; j < m; ++j) array[j] = halfedges[index[j]]; + for (j = 0; j < m; ++j) halfedges[j] = array[j]; + } + } +} - // Two intersection points. - var lambda0 = a[0], - lambda1 = b[0], - phi0 = a[1], - phi1 = b[1], - z; +function clipCells(x0, y0, x1, y1) { + var nCells = cells.length, + iCell, + cell, + site, + iHalfedge, + halfedges, + nHalfedges, + start, + startX, + startY, + end, + endX, + endY, + cover = true; - if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; + for (iCell = 0; iCell < nCells; ++iCell) { + if (cell = cells[iCell]) { + site = cell.site; + halfedges = cell.halfedges; + iHalfedge = halfedges.length; - var delta = lambda1 - lambda0, - polar = abs(delta - pi$4) < epsilon$4, - meridian = polar || delta < epsilon$4; + // Remove any dangling clipped edges. + while (iHalfedge--) { + if (!edges[halfedges[iHalfedge]]) { + halfedges.splice(iHalfedge, 1); + } + } - if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; + // Insert any border edges as necessary. + iHalfedge = 0, nHalfedges = halfedges.length; + while (iHalfedge < nHalfedges) { + end = cellHalfedgeEnd(cell, edges[halfedges[iHalfedge]]), endX = end[0], endY = end[1]; + start = cellHalfedgeStart(cell, edges[halfedges[++iHalfedge % nHalfedges]]), startX = start[0], startY = start[1]; + if (Math.abs(endX - startX) > epsilon$4 || Math.abs(endY - startY) > epsilon$4) { + halfedges.splice(iHalfedge, 0, edges.push(createBorderEdge(site, end, + Math.abs(endX - x0) < epsilon$4 && y1 - endY > epsilon$4 ? [x0, Math.abs(startX - x0) < epsilon$4 ? startY : y1] + : Math.abs(endY - y1) < epsilon$4 && x1 - endX > epsilon$4 ? [Math.abs(startY - y1) < epsilon$4 ? startX : x1, y1] + : Math.abs(endX - x1) < epsilon$4 && endY - y0 > epsilon$4 ? [x1, Math.abs(startX - x1) < epsilon$4 ? startY : y0] + : Math.abs(endY - y0) < epsilon$4 && endX - x0 > epsilon$4 ? [Math.abs(startY - y0) < epsilon$4 ? startX : x0, y0] + : null)) - 1); + ++nHalfedges; + } + } - // Check that the first point is between a and b. - if (meridian - ? polar - ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$4 ? phi0 : phi1) - : phi0 <= q[1] && q[1] <= phi1 - : delta > pi$4 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { - var q1 = cartesianScale(u, (-w + t) / uu); - cartesianAddInPlace(q1, A); - return [q, spherical(q1)]; + if (nHalfedges) cover = false; } } - // Generates a 4-bit vector representing the location of a point relative to - // the small circle's bounding box. - function code(lambda, phi) { - var r = smallRadius ? radius : pi$4 - radius, - code = 0; - if (lambda < -r) code |= 1; // left - else if (lambda > r) code |= 2; // right - if (phi < -r) code |= 4; // below - else if (phi > r) code |= 8; // above - return code; + // If there weren’t any edges, have the closest site cover the extent. + // It doesn’t matter which corner of the extent we measure! + if (cover) { + var dx, dy, d2, dc = Infinity; + + for (iCell = 0, cover = null; iCell < nCells; ++iCell) { + if (cell = cells[iCell]) { + site = cell.site; + dx = site[0] - x0; + dy = site[1] - y0; + d2 = dx * dx + dy * dy; + if (d2 < dc) dc = d2, cover = cell; + } + } + + if (cover) { + var v00 = [x0, y0], v01 = [x0, y1], v11 = [x1, y1], v10 = [x1, y0]; + cover.halfedges.push( + edges.push(createBorderEdge(site = cover.site, v00, v01)) - 1, + edges.push(createBorderEdge(site, v01, v11)) - 1, + edges.push(createBorderEdge(site, v11, v10)) - 1, + edges.push(createBorderEdge(site, v10, v00)) - 1 + ); + } } - return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$4, radius - pi$4]); -}; + // Lastly delete any cells with no edges; these were entirely clipped. + for (iCell = 0; iCell < nCells; ++iCell) { + if (cell = cells[iCell]) { + if (!cell.halfedges.length) { + delete cells[iCell]; + } + } + } +} -var transform$1 = function(methods) { - return { - stream: transformer(methods) - }; -}; +var circlePool = []; -function transformer(methods) { - return function(stream) { - var s = new TransformStream; - for (var key in methods) s[key] = methods[key]; - s.stream = stream; - return s; - }; +var firstCircle; + +function Circle() { + RedBlackNode(this); + this.x = + this.y = + this.arc = + this.site = + this.cy = null; } -function TransformStream() {} +function attachCircle(arc) { + var lArc = arc.P, + rArc = arc.N; -TransformStream.prototype = { - constructor: TransformStream, - point: function(x, y) { this.stream.point(x, y); }, - sphere: function() { this.stream.sphere(); }, - lineStart: function() { this.stream.lineStart(); }, - lineEnd: function() { this.stream.lineEnd(); }, - polygonStart: function() { this.stream.polygonStart(); }, - polygonEnd: function() { this.stream.polygonEnd(); } -}; + if (!lArc || !rArc) return; -function fitExtent(projection, extent, object) { - var w = extent[1][0] - extent[0][0], - h = extent[1][1] - extent[0][1], - clip = projection.clipExtent && projection.clipExtent(); + var lSite = lArc.site, + cSite = arc.site, + rSite = rArc.site; - projection - .scale(150) - .translate([0, 0]); + if (lSite === rSite) return; - if (clip != null) projection.clipExtent(null); + var bx = cSite[0], + by = cSite[1], + ax = lSite[0] - bx, + ay = lSite[1] - by, + cx = rSite[0] - bx, + cy = rSite[1] - by; + + var d = 2 * (ax * cy - ay * cx); + if (d >= -epsilon2$2) return; + + var ha = ax * ax + ay * ay, + hc = cx * cx + cy * cy, + x = (cy * ha - ay * hc) / d, + y = (ax * hc - cx * ha) / d; + + var circle = circlePool.pop() || new Circle; + circle.arc = arc; + circle.site = cSite; + circle.x = x + bx; + circle.y = (circle.cy = y + by) + Math.sqrt(x * x + y * y); // y bottom - geoStream(object, projection.stream(boundsStream$1)); + arc.circle = circle; - var b = boundsStream$1.result(), - k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), - x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, - y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; + var before = null, + node = circles._; - if (clip != null) projection.clipExtent(clip); + while (node) { + if (circle.y < node.y || (circle.y === node.y && circle.x <= node.x)) { + if (node.L) node = node.L; + else { before = node.P; break; } + } else { + if (node.R) node = node.R; + else { before = node; break; } + } + } - return projection - .scale(k * 150) - .translate([x, y]); + circles.insert(before, circle); + if (!before) firstCircle = circle; } -function fitSize(projection, size, object) { - return fitExtent(projection, [[0, 0], size], object); +function detachCircle(arc) { + var circle = arc.circle; + if (circle) { + if (!circle.P) firstCircle = circle.N; + circles.remove(circle); + circlePool.push(circle); + RedBlackNode(circle); + arc.circle = null; + } } -var maxDepth = 16; -var cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) - -var resample = function(project, delta2) { - return +delta2 ? resample$1(project, delta2) : resampleNone(project); -}; +var beachPool = []; -function resampleNone(project) { - return transformer({ - point: function(x, y) { - x = project(x, y); - this.stream.point(x[0], x[1]); - } - }); +function Beach() { + RedBlackNode(this); + this.edge = + this.site = + this.circle = null; } -function resample$1(project, delta2) { +function createBeach(site) { + var beach = beachPool.pop() || new Beach; + beach.site = site; + return beach; +} - function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) { - var dx = x1 - x0, - dy = y1 - y0, - d2 = dx * dx + dy * dy; - if (d2 > 4 * delta2 && depth--) { - var a = a0 + a1, - b = b0 + b1, - c = c0 + c1, - m = sqrt$1(a * a + b * b + c * c), - phi2 = asin$1(c /= m), - lambda2 = abs(abs(c) - 1) < epsilon$4 || abs(lambda0 - lambda1) < epsilon$4 ? (lambda0 + lambda1) / 2 : atan2(b, a), - p = project(lambda2, phi2), - x2 = p[0], - y2 = p[1], - dx2 = x2 - x0, - dy2 = y2 - y0, - dz = dy * dx2 - dx * dy2; - if (dz * dz / d2 > delta2 // perpendicular projected distance - || abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end - || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream); - stream.point(x2, y2); - resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream); - } - } - } - return function(stream) { - var lambda00, x00, y00, a00, b00, c00, // first point - lambda0, x0, y0, a0, b0, c0; // previous point +function detachBeach(beach) { + detachCircle(beach); + beaches.remove(beach); + beachPool.push(beach); + RedBlackNode(beach); +} - var resampleStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; }, - polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; } - }; +function removeBeach(beach) { + var circle = beach.circle, + x = circle.x, + y = circle.cy, + vertex = [x, y], + previous = beach.P, + next = beach.N, + disappearing = [beach]; - function point(x, y) { - x = project(x, y); - stream.point(x[0], x[1]); - } + detachBeach(beach); - function lineStart() { - x0 = NaN; - resampleStream.point = linePoint; - stream.lineStart(); - } + var lArc = previous; + while (lArc.circle + && Math.abs(x - lArc.circle.x) < epsilon$4 + && Math.abs(y - lArc.circle.cy) < epsilon$4) { + previous = lArc.P; + disappearing.unshift(lArc); + detachBeach(lArc); + lArc = previous; + } - function linePoint(lambda, phi) { - var c = cartesian([lambda, phi]), p = project(lambda, phi); - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); - stream.point(x0, y0); - } + disappearing.unshift(lArc); + detachCircle(lArc); - function lineEnd() { - resampleStream.point = point; - stream.lineEnd(); - } + var rArc = next; + while (rArc.circle + && Math.abs(x - rArc.circle.x) < epsilon$4 + && Math.abs(y - rArc.circle.cy) < epsilon$4) { + next = rArc.N; + disappearing.push(rArc); + detachBeach(rArc); + rArc = next; + } - function ringStart() { - lineStart(); - resampleStream.point = ringPoint; - resampleStream.lineEnd = ringEnd; - } + disappearing.push(rArc); + detachCircle(rArc); - function ringPoint(lambda, phi) { - linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; - resampleStream.point = linePoint; - } + var nArcs = disappearing.length, + iArc; + for (iArc = 1; iArc < nArcs; ++iArc) { + rArc = disappearing[iArc]; + lArc = disappearing[iArc - 1]; + setEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); + } - function ringEnd() { - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream); - resampleStream.lineEnd = lineEnd; - lineEnd(); - } + lArc = disappearing[0]; + rArc = disappearing[nArcs - 1]; + rArc.edge = createEdge(lArc.site, rArc.site, null, vertex); - return resampleStream; - }; + attachCircle(lArc); + attachCircle(rArc); } -var transformRadians = transformer({ - point: function(x, y) { - this.stream.point(x * radians, y * radians); +function addBeach(site) { + var x = site[0], + directrix = site[1], + lArc, + rArc, + dxl, + dxr, + node = beaches._; + + while (node) { + dxl = leftBreakPoint(node, directrix) - x; + if (dxl > epsilon$4) node = node.L; else { + dxr = x - rightBreakPoint(node, directrix); + if (dxr > epsilon$4) { + if (!node.R) { + lArc = node; + break; + } + node = node.R; + } else { + if (dxl > -epsilon$4) { + lArc = node.P; + rArc = node; + } else if (dxr > -epsilon$4) { + lArc = node; + rArc = node.N; + } else { + lArc = rArc = node; + } + break; + } + } } -}); -function projection(project) { - return projectionMutator(function() { return project; })(); -} + createCell(site); + var newArc = createBeach(site); + beaches.insert(lArc, newArc); -function projectionMutator(projectAt) { - var project, - k = 150, // scale - x = 480, y = 250, // translate - dx, dy, lambda = 0, phi = 0, // center - deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, projectRotate, // rotate - theta = null, preclip = clipAntimeridian, // clip angle - x0 = null, y0, x1, y1, postclip = identity$7, // clip extent - delta2 = 0.5, projectResample = resample(projectTransform, delta2), // precision - cache, - cacheStream; + if (!lArc && !rArc) return; - function projection(point) { - point = projectRotate(point[0] * radians, point[1] * radians); - return [point[0] * k + dx, dy - point[1] * k]; + if (lArc === rArc) { + detachCircle(lArc); + rArc = createBeach(lArc.site); + beaches.insert(newArc, rArc); + newArc.edge = rArc.edge = createEdge(lArc.site, newArc.site); + attachCircle(lArc); + attachCircle(rArc); + return; } - function invert(point) { - point = projectRotate.invert((point[0] - dx) / k, (dy - point[1]) / k); - return point && [point[0] * degrees$1, point[1] * degrees$1]; + if (!rArc) { // && lArc + newArc.edge = createEdge(lArc.site, newArc.site); + return; } - function projectTransform(x, y) { - return x = project(x, y), [x[0] * k + dx, dy - x[1] * k]; - } + // else lArc !== rArc + detachCircle(lArc); + detachCircle(rArc); + + var lSite = lArc.site, + ax = lSite[0], + ay = lSite[1], + bx = site[0] - ax, + by = site[1] - ay, + rSite = rArc.site, + cx = rSite[0] - ax, + cy = rSite[1] - ay, + d = 2 * (bx * cy - by * cx), + hb = bx * bx + by * by, + hc = cx * cx + cy * cy, + vertex = [(cy * hb - by * hc) / d + ax, (bx * hc - cx * hb) / d + ay]; - projection.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = transformRadians(preclip(rotate, projectResample(postclip(cacheStream = stream)))); - }; + setEdgeEnd(rArc.edge, lSite, rSite, vertex); + newArc.edge = createEdge(lSite, site, null, vertex); + rArc.edge = createEdge(site, rSite, null, vertex); + attachCircle(lArc); + attachCircle(rArc); +} - projection.clipAngle = function(_) { - return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians, 6 * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1; - }; +function leftBreakPoint(arc, directrix) { + var site = arc.site, + rfocx = site[0], + rfocy = site[1], + pby2 = rfocy - directrix; - projection.clipExtent = function(_) { - return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$7) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; - }; + if (!pby2) return rfocx; - projection.scale = function(_) { - return arguments.length ? (k = +_, recenter()) : k; - }; + var lArc = arc.P; + if (!lArc) return -Infinity; - projection.translate = function(_) { - return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y]; - }; + site = lArc.site; + var lfocx = site[0], + lfocy = site[1], + plby2 = lfocy - directrix; - projection.center = function(_) { - return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees$1, phi * degrees$1]; - }; + if (!plby2) return lfocx; - projection.rotate = function(_) { - return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees$1, deltaPhi * degrees$1, deltaGamma * degrees$1]; - }; + var hl = lfocx - rfocx, + aby2 = 1 / pby2 - 1 / plby2, + b = hl / plby2; - projection.precision = function(_) { - return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt$1(delta2); - }; + if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; - projection.fitExtent = function(extent, object) { - return fitExtent(projection, extent, object); - }; + return (rfocx + lfocx) / 2; +} - projection.fitSize = function(size, object) { - return fitSize(projection, size, object); - }; +function rightBreakPoint(arc, directrix) { + var rArc = arc.N; + if (rArc) return leftBreakPoint(rArc, directrix); + var site = arc.site; + return site[1] === directrix ? site[0] : Infinity; +} - function recenter() { - projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); - var center = project(lambda, phi); - dx = x - center[0] * k; - dy = y + center[1] * k; - return reset(); - } +var epsilon$4 = 1e-6; +var epsilon2$2 = 1e-12; +var beaches; +var cells; +var circles; +var edges; - function reset() { - cache = cacheStream = null; - return projection; - } +function triangleArea(a, b, c) { + return (a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]); +} - return function() { - project = projectAt.apply(this, arguments); - projection.invert = project.invert && invert; - return recenter(); - }; +function lexicographic(a, b) { + return b[1] - a[1] + || b[0] - a[0]; } -function conicProjection(projectAt) { - var phi0 = 0, - phi1 = pi$4 / 3, - m = projectionMutator(projectAt), - p = m(phi0, phi1); +function Diagram(sites, extent) { + var site = sites.sort(lexicographic).pop(), + x, + y, + circle; - p.parallels = function(_) { - return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees$1, phi1 * degrees$1]; - }; + edges = []; + cells = new Array(sites.length); + beaches = new RedBlackTree; + circles = new RedBlackTree; - return p; -} + while (true) { + circle = firstCircle; + if (site && (!circle || site[1] < circle.y || (site[1] === circle.y && site[0] < circle.x))) { + if (site[0] !== x || site[1] !== y) { + addBeach(site); + x = site[0], y = site[1]; + } + site = sites.pop(); + } else if (circle) { + removeBeach(circle.arc); + } else { + break; + } + } -function cylindricalEqualAreaRaw(phi0) { - var cosPhi0 = cos$1(phi0); + sortCellHalfedges(); - function forward(lambda, phi) { - return [lambda * cosPhi0, sin$1(phi) / cosPhi0]; + if (extent) { + var x0 = +extent[0][0], + y0 = +extent[0][1], + x1 = +extent[1][0], + y1 = +extent[1][1]; + clipEdges(x0, y0, x1, y1); + clipCells(x0, y0, x1, y1); } - forward.invert = function(x, y) { - return [x / cosPhi0, asin$1(y * cosPhi0)]; - }; + this.edges = edges; + this.cells = cells; - return forward; + beaches = + circles = + edges = + cells = null; } -function conicEqualAreaRaw(y0, y1) { - var sy0 = sin$1(y0), n = (sy0 + sin$1(y1)) / 2; +Diagram.prototype = { + constructor: Diagram, - // Are the parallels symmetrical around the Equator? - if (abs(n) < epsilon$4) return cylindricalEqualAreaRaw(y0); + polygons: function() { + var edges = this.edges; - var c = 1 + sy0 * (2 * n - sy0), r0 = sqrt$1(c) / n; + return this.cells.map(function(cell) { + var polygon = cell.halfedges.map(function(i) { return cellHalfedgeStart(cell, edges[i]); }); + polygon.data = cell.site.data; + return polygon; + }); + }, - function project(x, y) { - var r = sqrt$1(c - 2 * n * sin$1(y)) / n; - return [r * sin$1(x *= n), r0 - r * cos$1(x)]; - } + triangles: function() { + var triangles = [], + edges = this.edges; - project.invert = function(x, y) { - var r0y = r0 - y; - return [atan2(x, abs(r0y)) / n * sign$1(r0y), asin$1((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; - }; + this.cells.forEach(function(cell, i) { + if (!(m = (halfedges = cell.halfedges).length)) return; + var site = cell.site, + halfedges, + j = -1, + m, + s0, + e1 = edges[halfedges[m - 1]], + s1 = e1.left === site ? e1.right : e1.left; - return project; -} + while (++j < m) { + s0 = s1; + e1 = edges[halfedges[j]]; + s1 = e1.left === site ? e1.right : e1.left; + if (s0 && s1 && i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) { + triangles.push([site.data, s0.data, s1.data]); + } + } + }); -var conicEqualArea = function() { - return conicProjection(conicEqualAreaRaw) - .scale(155.424) - .center([0, 33.6442]); -}; + return triangles; + }, -var albers = function() { - return conicEqualArea() - .parallels([29.5, 45.5]) - .scale(1070) - .translate([480, 250]) - .rotate([96, 0]) - .center([-0.6, 38.7]); -}; + links: function() { + return this.edges.filter(function(edge) { + return edge.right; + }).map(function(edge) { + return { + source: edge.left.data, + target: edge.right.data + }; + }); + }, -// The projections must have mutually exclusive clip regions on the sphere, -// as this will avoid emitting interleaving lines and polygons. -function multiplex(streams) { - var n = streams.length; - return { - point: function(x, y) { var i = -1; while (++i < n) streams[i].point(x, y); }, - sphere: function() { var i = -1; while (++i < n) streams[i].sphere(); }, - lineStart: function() { var i = -1; while (++i < n) streams[i].lineStart(); }, - lineEnd: function() { var i = -1; while (++i < n) streams[i].lineEnd(); }, - polygonStart: function() { var i = -1; while (++i < n) streams[i].polygonStart(); }, - polygonEnd: function() { var i = -1; while (++i < n) streams[i].polygonEnd(); } - }; -} + find: function(x, y, radius) { + var that = this, i0, i1 = that._found || 0, n = that.cells.length, cell; -// A composite projection for the United States, configured by default for -// 960×500. The projection also works quite well at 960×600 if you change the -// scale to 1285 and adjust the translate accordingly. The set of standard -// parallels for each region comes from USGS, which is published here: -// http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers -var albersUsa = function() { - var cache, - cacheStream, - lower48 = albers(), lower48Point, - alaska = conicEqualArea().rotate([154, 0]).center([-2, 58.5]).parallels([55, 65]), alaskaPoint, // EPSG:3338 - hawaii = conicEqualArea().rotate([157, 0]).center([-3, 19.9]).parallels([8, 18]), hawaiiPoint, // ESRI:102007 - point, pointStream = {point: function(x, y) { point = [x, y]; }}; + // Use the previously-found cell, or start with an arbitrary one. + while (!(cell = that.cells[i1])) if (++i1 >= n) return null; + var dx = x - cell.site[0], dy = y - cell.site[1], d2 = dx * dx + dy * dy; - function albersUsa(coordinates) { - var x = coordinates[0], y = coordinates[1]; - return point = null, - (lower48Point.point(x, y), point) - || (alaskaPoint.point(x, y), point) - || (hawaiiPoint.point(x, y), point); + // Traverse the half-edges to find a closer cell, if any. + do { + cell = that.cells[i0 = i1], i1 = null; + cell.halfedges.forEach(function(e) { + var edge = that.edges[e], v = edge.left; + if ((v === cell.site || !v) && !(v = edge.right)) return; + var vx = x - v[0], vy = y - v[1], v2 = vx * vx + vy * vy; + if (v2 < d2) d2 = v2, i1 = v.index; + }); + } while (i1 !== null); + + that._found = i0; + + return radius == null || d2 <= radius * radius ? cell.site : null; + } +}; + +var voronoi = function() { + var x$$1 = x$4, + y$$1 = y$4, + extent = null; + + function voronoi(data) { + return new Diagram(data.map(function(d, i) { + var s = [Math.round(x$$1(d, i, data) / epsilon$4) * epsilon$4, Math.round(y$$1(d, i, data) / epsilon$4) * epsilon$4]; + s.index = i; + s.data = d; + return s; + }), extent); } - albersUsa.invert = function(coordinates) { - var k = lower48.scale(), - t = lower48.translate(), - x = (coordinates[0] - t[0]) / k, - y = (coordinates[1] - t[1]) / k; - return (y >= 0.120 && y < 0.234 && x >= -0.425 && x < -0.214 ? alaska - : y >= 0.166 && y < 0.234 && x >= -0.214 && x < -0.115 ? hawaii - : lower48).invert(coordinates); + voronoi.polygons = function(data) { + return voronoi(data).polygons(); }; - albersUsa.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = multiplex([lower48.stream(cacheStream = stream), alaska.stream(stream), hawaii.stream(stream)]); + voronoi.links = function(data) { + return voronoi(data).links(); }; - albersUsa.precision = function(_) { - if (!arguments.length) return lower48.precision(); - lower48.precision(_), alaska.precision(_), hawaii.precision(_); - return reset(); + voronoi.triangles = function(data) { + return voronoi(data).triangles(); }; - albersUsa.scale = function(_) { - if (!arguments.length) return lower48.scale(); - lower48.scale(_), alaska.scale(_ * 0.35), hawaii.scale(_); - return albersUsa.translate(lower48.translate()); + voronoi.x = function(_) { + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : x$$1; }; - albersUsa.translate = function(_) { - if (!arguments.length) return lower48.translate(); - var k = lower48.scale(), x = +_[0], y = +_[1]; - - lower48Point = lower48 - .translate(_) - .clipExtent([[x - 0.455 * k, y - 0.238 * k], [x + 0.455 * k, y + 0.238 * k]]) - .stream(pointStream); - - alaskaPoint = alaska - .translate([x - 0.307 * k, y + 0.201 * k]) - .clipExtent([[x - 0.425 * k + epsilon$4, y + 0.120 * k + epsilon$4], [x - 0.214 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) - .stream(pointStream); - - hawaiiPoint = hawaii - .translate([x - 0.205 * k, y + 0.212 * k]) - .clipExtent([[x - 0.214 * k + epsilon$4, y + 0.166 * k + epsilon$4], [x - 0.115 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) - .stream(pointStream); - - return reset(); + voronoi.y = function(_) { + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : y$$1; }; - albersUsa.fitExtent = function(extent, object) { - return fitExtent(albersUsa, extent, object); + voronoi.extent = function(_) { + return arguments.length ? (extent = _ == null ? null : [[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]], voronoi) : extent && [[extent[0][0], extent[0][1]], [extent[1][0], extent[1][1]]]; }; - albersUsa.fitSize = function(size, object) { - return fitSize(albersUsa, size, object); + voronoi.size = function(_) { + return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0] - extent[0][0], extent[1][1] - extent[0][1]]; }; - function reset() { - cache = cacheStream = null; - return albersUsa; - } + return voronoi; +}; - return albersUsa.scale(1070); +var constant$12 = function(x) { + return function() { + return x; + }; }; -function azimuthalRaw(scale) { - return function(x, y) { - var cx = cos$1(x), - cy = cos$1(y), - k = scale(cx * cy); - return [ - k * cy * sin$1(x), - k * sin$1(y) - ]; - } +function ZoomEvent(target, type, transform) { + this.target = target; + this.type = type; + this.transform = transform; } -function azimuthalInvert(angle) { - return function(x, y) { - var z = sqrt$1(x * x + y * y), - c = angle(z), - sc = sin$1(c), - cc = cos$1(c); - return [ - atan2(x * sc, z * cc), - asin$1(z && y * sc / z) - ]; - } +function Transform(k, x, y) { + this.k = k; + this.x = x; + this.y = y; } -var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) { - return sqrt$1(2 / (1 + cxcy)); -}); +Transform.prototype = { + constructor: Transform, + scale: function(k) { + return k === 1 ? this : new Transform(this.k * k, this.x, this.y); + }, + translate: function(x, y) { + return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y); + }, + apply: function(point) { + return [point[0] * this.k + this.x, point[1] * this.k + this.y]; + }, + applyX: function(x) { + return x * this.k + this.x; + }, + applyY: function(y) { + return y * this.k + this.y; + }, + invert: function(location) { + return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k]; + }, + invertX: function(x) { + return (x - this.x) / this.k; + }, + invertY: function(y) { + return (y - this.y) / this.k; + }, + rescaleX: function(x) { + return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x)); + }, + rescaleY: function(y) { + return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y)); + }, + toString: function() { + return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")"; + } +}; -azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) { - return 2 * asin$1(z / 2); -}); +var identity$8 = new Transform(1, 0, 0); -var azimuthalEqualArea = function() { - return projection(azimuthalEqualAreaRaw) - .scale(124.75) - .clipAngle(180 - 1e-3); -}; +transform$1.prototype = Transform.prototype; -var azimuthalEquidistantRaw = azimuthalRaw(function(c) { - return (c = acos(c)) && c / sin$1(c); -}); +function transform$1(node) { + return node.__zoom || identity$8; +} -azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) { - return z; -}); +function nopropagation$2() { + exports.event.stopImmediatePropagation(); +} -var azimuthalEquidistant = function() { - return projection(azimuthalEquidistantRaw) - .scale(79.4188) - .clipAngle(180 - 1e-3); +var noevent$2 = function() { + exports.event.preventDefault(); + exports.event.stopImmediatePropagation(); }; -function mercatorRaw(lambda, phi) { - return [lambda, log$1(tan((halfPi$3 + phi) / 2))]; +// Ignore right-click, since that should open the context menu. +function defaultFilter$2() { + return !exports.event.button; } -mercatorRaw.invert = function(x, y) { - return [x, 2 * atan(exp(y)) - halfPi$3]; -}; +function defaultExtent$1() { + var e = this, w, h; + if (e instanceof SVGElement) { + e = e.ownerSVGElement || e; + w = e.width.baseVal.value; + h = e.height.baseVal.value; + } else { + w = e.clientWidth; + h = e.clientHeight; + } + return [[0, 0], [w, h]]; +} -var mercator = function() { - return mercatorProjection(mercatorRaw) - .scale(961 / tau$4); -}; +function defaultTransform() { + return this.__zoom || identity$8; +} -function mercatorProjection(project) { - var m = projection(project), - scale = m.scale, - translate = m.translate, - clipExtent = m.clipExtent, - clipAuto; +var zoom = function() { + var filter = defaultFilter$2, + extent = defaultExtent$1, + k0 = 0, + k1 = Infinity, + x0 = -k1, + x1 = k1, + y0 = x0, + y1 = x1, + duration = 250, + interpolate$$1 = interpolateZoom, + gestures = [], + listeners = dispatch("start", "zoom", "end"), + touchstarting, + touchending, + touchDelay = 500, + wheelDelay = 150; - m.scale = function(_) { - return arguments.length ? (scale(_), clipAuto && m.clipExtent(null), m) : scale(); + function zoom(selection$$1) { + selection$$1 + .on("wheel.zoom", wheeled) + .on("mousedown.zoom", mousedowned) + .on("dblclick.zoom", dblclicked) + .on("touchstart.zoom", touchstarted) + .on("touchmove.zoom", touchmoved) + .on("touchend.zoom touchcancel.zoom", touchended) + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") + .property("__zoom", defaultTransform); + } + + zoom.transform = function(collection, transform) { + var selection$$1 = collection.selection ? collection.selection() : collection; + selection$$1.property("__zoom", defaultTransform); + if (collection !== selection$$1) { + schedule(collection, transform); + } else { + selection$$1.interrupt().each(function() { + gesture(this, arguments) + .start() + .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) + .end(); + }); + } }; - m.translate = function(_) { - return arguments.length ? (translate(_), clipAuto && m.clipExtent(null), m) : translate(); + zoom.scaleBy = function(selection$$1, k) { + zoom.scaleTo(selection$$1, function() { + var k0 = this.__zoom.k, + k1 = typeof k === "function" ? k.apply(this, arguments) : k; + return k0 * k1; + }); }; - m.clipExtent = function(_) { - if (!arguments.length) return clipAuto ? null : clipExtent(); - if (clipAuto = _ == null) { - var k = pi$4 * scale(), - t = translate(); - _ = [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]]; - } - clipExtent(_); - return m; + zoom.scaleTo = function(selection$$1, k) { + zoom.transform(selection$$1, function() { + var e = extent.apply(this, arguments), + t0 = this.__zoom, + p0 = centroid(e), + p1 = t0.invert(p0), + k1 = typeof k === "function" ? k.apply(this, arguments) : k; + return constrain(translate(scale(t0, k1), p0, p1), e); + }); }; - return m.clipExtent(null); -} - -function tany(y) { - return tan((halfPi$3 + y) / 2); -} - -function conicConformalRaw(y0, y1) { - var cy0 = cos$1(y0), - n = y0 === y1 ? sin$1(y0) : log$1(cy0 / cos$1(y1)) / log$1(tany(y1) / tany(y0)), - f = cy0 * pow$1(tany(y0), n) / n; + zoom.translateBy = function(selection$$1, x, y) { + zoom.transform(selection$$1, function() { + return constrain(this.__zoom.translate( + typeof x === "function" ? x.apply(this, arguments) : x, + typeof y === "function" ? y.apply(this, arguments) : y + ), extent.apply(this, arguments)); + }); + }; - if (!n) return mercatorRaw; + function scale(transform, k) { + k = Math.max(k0, Math.min(k1, k)); + return k === transform.k ? transform : new Transform(k, transform.x, transform.y); + } - function project(x, y) { - if (f > 0) { if (y < -halfPi$3 + epsilon$4) y = -halfPi$3 + epsilon$4; } - else { if (y > halfPi$3 - epsilon$4) y = halfPi$3 - epsilon$4; } - var r = f / pow$1(tany(y), n); - return [r * sin$1(n * x), f - r * cos$1(n * x)]; + function translate(transform, p0, p1) { + var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k; + return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y); } - project.invert = function(x, y) { - var fy = f - y, r = sign$1(n) * sqrt$1(x * x + fy * fy); - return [atan2(x, abs(fy)) / n * sign$1(fy), 2 * atan(pow$1(f / r, 1 / n)) - halfPi$3]; - }; + function constrain(transform, extent) { + var dx0 = transform.invertX(extent[0][0]) - x0, + dx1 = transform.invertX(extent[1][0]) - x1, + dy0 = transform.invertY(extent[0][1]) - y0, + dy1 = transform.invertY(extent[1][1]) - y1; + return transform.translate( + dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1), + dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1) + ); + } - return project; -} + function centroid(extent) { + return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; + } -var conicConformal = function() { - return conicProjection(conicConformalRaw) - .scale(109.5) - .parallels([30, 30]); -}; + function schedule(transition$$1, transform, center) { + transition$$1 + .on("start.zoom", function() { gesture(this, arguments).start(); }) + .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) + .tween("zoom", function() { + var that = this, + args = arguments, + g = gesture(that, args), + e = extent.apply(that, args), + p = center || centroid(e), + w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), + a = that.__zoom, + b = typeof transform === "function" ? transform.apply(that, args) : transform, + i = interpolate$$1(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); + return function(t) { + if (t === 1) t = b; // Avoid rounding error on end. + else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); } + g.zoom(null, t); + }; + }); + } -function equirectangularRaw(lambda, phi) { - return [lambda, phi]; -} + function gesture(that, args) { + for (var i = 0, n = gestures.length, g; i < n; ++i) { + if ((g = gestures[i]).that === that) { + return g; + } + } + return new Gesture(that, args); + } -equirectangularRaw.invert = equirectangularRaw; + function Gesture(that, args) { + this.that = that; + this.args = args; + this.index = -1; + this.active = 0; + this.extent = extent.apply(that, args); + } -var equirectangular = function() { - return projection(equirectangularRaw) - .scale(152.63); -}; + Gesture.prototype = { + start: function() { + if (++this.active === 1) { + this.index = gestures.push(this) - 1; + this.emit("start"); + } + return this; + }, + zoom: function(key, transform) { + if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]); + if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); + if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); + this.that.__zoom = transform; + this.emit("zoom"); + return this; + }, + end: function() { + if (--this.active === 0) { + gestures.splice(this.index, 1); + this.index = -1; + this.emit("end"); + } + return this; + }, + emit: function(type) { + customEvent(new ZoomEvent(zoom, type, this.that.__zoom), listeners.apply, listeners, [type, this.that, this.args]); + } + }; -function conicEquidistantRaw(y0, y1) { - var cy0 = cos$1(y0), - n = y0 === y1 ? sin$1(y0) : (cy0 - cos$1(y1)) / (y1 - y0), - g = cy0 / n + y0; + function wheeled() { + if (!filter.apply(this, arguments)) return; + var g = gesture(this, arguments), + t = this.__zoom, + k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500))), + p = mouse(this); - if (abs(n) < epsilon$4) return equirectangularRaw; + // If the mouse is in the same location as before, reuse it. + // If there were recent wheel events, reset the wheel idle timeout. + if (g.wheel) { + if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) { + g.mouse[1] = t.invert(g.mouse[0] = p); + } + clearTimeout(g.wheel); + } - function project(x, y) { - var gy = g - y, nx = n * x; - return [gy * sin$1(nx), g - gy * cos$1(nx)]; - } + // If this wheel event won’t trigger a transform change, ignore it. + else if (t.k === k) return; - project.invert = function(x, y) { - var gy = g - y; - return [atan2(x, abs(gy)) / n * sign$1(gy), g - sign$1(n) * sqrt$1(x * x + gy * gy)]; - }; + // Otherwise, capture the mouse point and location at the start. + else { + g.mouse = [p, t.invert(p)]; + interrupt(this); + g.start(); + } - return project; -} + noevent$2(); + g.wheel = setTimeout(wheelidled, wheelDelay); + g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent)); -var conicEquidistant = function() { - return conicProjection(conicEquidistantRaw) - .scale(131.154) - .center([0, 13.9389]); -}; + function wheelidled() { + g.wheel = null; + g.end(); + } + } -function gnomonicRaw(x, y) { - var cy = cos$1(y), k = cos$1(x) * cy; - return [cy * sin$1(x) / k, sin$1(y) / k]; -} + function mousedowned() { + if (touchending || !filter.apply(this, arguments)) return; + var g = gesture(this, arguments), + v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), + p = mouse(this); -gnomonicRaw.invert = azimuthalInvert(atan); + dragDisable(exports.event.view); + nopropagation$2(); + g.mouse = [p, this.__zoom.invert(p)]; + interrupt(this); + g.start(); -var gnomonic = function() { - return projection(gnomonicRaw) - .scale(144.049) - .clipAngle(60); -}; + function mousemoved() { + noevent$2(); + g.moved = true; + g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent)); + } -function scaleTranslate(kx, ky, tx, ty) { - return kx === 1 && ky === 1 && tx === 0 && ty === 0 ? identity$7 : transformer({ - point: function(x, y) { - this.stream.point(x * kx + tx, y * ky + ty); + function mouseupped() { + v.on("mousemove.zoom mouseup.zoom", null); + yesdrag(exports.event.view, g.moved); + noevent$2(); + g.end(); } - }); -} + } -var identity$8 = function() { - var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, transform = identity$7, // scale, translate and reflect - x0 = null, y0, x1, y1, clip = identity$7, // clip extent - cache, - cacheStream, - projection; + function dblclicked() { + if (!filter.apply(this, arguments)) return; + var t0 = this.__zoom, + p0 = mouse(this), + p1 = t0.invert(p0), + k1 = t0.k * (exports.event.shiftKey ? 0.5 : 2), + t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments)); - function reset() { - cache = cacheStream = null; - return projection; + noevent$2(); + if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0); + else select(this).call(zoom.transform, t1); } - return projection = { - stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = transform(clip(cacheStream = stream)); - }, - clipExtent: function(_) { - return arguments.length ? (clip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$7) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; - }, - scale: function(_) { - return arguments.length ? (transform = scaleTranslate((k = +_) * sx, k * sy, tx, ty), reset()) : k; - }, - translate: function(_) { - return arguments.length ? (transform = scaleTranslate(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; - }, - reflectX: function(_) { - return arguments.length ? (transform = scaleTranslate(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0; - }, - reflectY: function(_) { - return arguments.length ? (transform = scaleTranslate(k * sx, k * (sy = _ ? -1 : 1), tx, ty), reset()) : sy < 0; - }, - fitExtent: function(extent, object) { - return fitExtent(projection, extent, object); - }, - fitSize: function(size, object) { - return fitSize(projection, size, object); + function touchstarted() { + if (!filter.apply(this, arguments)) return; + var g = gesture(this, arguments), + touches$$1 = exports.event.changedTouches, + started, + n = touches$$1.length, i, t, p; + + nopropagation$2(); + for (i = 0; i < n; ++i) { + t = touches$$1[i], p = touch(this, touches$$1, t.identifier); + p = [p, this.__zoom.invert(p), t.identifier]; + if (!g.touch0) g.touch0 = p, started = true; + else if (!g.touch1) g.touch1 = p; + } + + // If this is a dbltap, reroute to the (optional) dblclick.zoom handler. + if (touchstarting) { + touchstarting = clearTimeout(touchstarting); + if (!g.touch1) { + g.end(); + p = select(this).on("dblclick.zoom"); + if (p) p.apply(this, arguments); + return; + } } - }; -}; -function orthographicRaw(x, y) { - return [cos$1(y) * sin$1(x), sin$1(y)]; -} + if (started) { + touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); + interrupt(this); + g.start(); + } + } -orthographicRaw.invert = azimuthalInvert(asin$1); + function touchmoved() { + var g = gesture(this, arguments), + touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, t, p, l; -var orthographic = function() { - return projection(orthographicRaw) - .scale(249.5) - .clipAngle(90 + epsilon$4); -}; + noevent$2(); + if (touchstarting) touchstarting = clearTimeout(touchstarting); + for (i = 0; i < n; ++i) { + t = touches$$1[i], p = touch(this, touches$$1, t.identifier); + if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; + else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; + } + t = g.that.__zoom; + if (g.touch1) { + var p0 = g.touch0[0], l0 = g.touch0[1], + p1 = g.touch1[0], l1 = g.touch1[1], + dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp, + dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl; + t = scale(t, Math.sqrt(dp / dl)); + p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2]; + l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2]; + } + else if (g.touch0) p = g.touch0[0], l = g.touch0[1]; + else return; + g.zoom("touch", constrain(translate(t, p, l), g.extent)); + } -function stereographicRaw(x, y) { - var cy = cos$1(y), k = 1 + cos$1(x) * cy; - return [cy * sin$1(x) / k, sin$1(y) / k]; -} + function touchended() { + var g = gesture(this, arguments), + touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, t; -stereographicRaw.invert = azimuthalInvert(function(z) { - return 2 * atan(z); -}); + nopropagation$2(); + if (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, touchDelay); + for (i = 0; i < n; ++i) { + t = touches$$1[i]; + if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; + else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; + } + if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1; + if (!g.touch0) g.end(); + } -var stereographic = function() { - return projection(stereographicRaw) - .scale(250) - .clipAngle(142); -}; + zoom.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$12(!!_), zoom) : filter; + }; -function transverseMercatorRaw(lambda, phi) { - return [log$1(tan((halfPi$3 + phi) / 2)), -lambda]; -} + zoom.extent = function(_) { + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$12([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; + }; -transverseMercatorRaw.invert = function(x, y) { - return [-y, 2 * atan(exp(x)) - halfPi$3]; -}; + zoom.scaleExtent = function(_) { + return arguments.length ? (k0 = +_[0], k1 = +_[1], zoom) : [k0, k1]; + }; -var transverseMercator = function() { - var m = mercatorProjection(transverseMercatorRaw), - center = m.center, - rotate = m.rotate; + zoom.translateExtent = function(_) { + return arguments.length ? (x0 = +_[0][0], x1 = +_[1][0], y0 = +_[0][1], y1 = +_[1][1], zoom) : [[x0, y0], [x1, y1]]; + }; - m.center = function(_) { - return arguments.length ? center([-_[1], _[0]]) : (_ = center(), [_[1], -_[0]]); + zoom.duration = function(_) { + return arguments.length ? (duration = +_, zoom) : duration; }; - m.rotate = function(_) { - return arguments.length ? rotate([_[0], _[1], _.length > 2 ? _[2] + 90 : 90]) : (_ = rotate(), [_[0], _[1], _[2] - 90]); + zoom.interpolate = function(_) { + return arguments.length ? (interpolate$$1 = _, zoom) : interpolate$$1; }; - return rotate([0, 0, 90]) - .scale(159.155); + zoom.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? zoom : value; + }; + + return zoom; }; exports.version = version; @@ -16016,6 +16178,7 @@ exports.bisectRight = bisectRight; exports.bisectLeft = bisectLeft; exports.ascending = ascending; exports.bisector = bisector; +exports.cross = cross; exports.descending = descending; exports.deviation = deviation; exports.extent = extent; @@ -16031,7 +16194,7 @@ exports.min = min; exports.pairs = pairs; exports.permute = permute; exports.quantile = threshold; -exports.range = range; +exports.range = sequence; exports.scan = scan; exports.shuffle = shuffle; exports.sum = sum; @@ -16040,81 +16203,252 @@ exports.tickStep = tickStep; exports.transpose = transpose; exports.variance = variance; exports.zip = zip; -exports.entries = entries; +exports.axisTop = axisTop; +exports.axisRight = axisRight; +exports.axisBottom = axisBottom; +exports.axisLeft = axisLeft; +exports.brush = brush; +exports.brushX = brushX; +exports.brushY = brushY; +exports.brushSelection = brushSelection; +exports.chord = chord; +exports.ribbon = ribbon; +exports.nest = nest; +exports.set = set$2; +exports.map = map$1; exports.keys = keys; exports.values = values; -exports.map = map$1; -exports.set = set; -exports.nest = nest; +exports.entries = entries; +exports.color = color; +exports.rgb = rgb; +exports.hsl = hsl; +exports.lab = lab; +exports.hcl = hcl; +exports.cubehelix = cubehelix; +exports.dispatch = dispatch; +exports.drag = drag; +exports.dragDisable = dragDisable; +exports.dragEnable = yesdrag; +exports.dsvFormat = dsv; +exports.csvParse = csvParse; +exports.csvParseRows = csvParseRows; +exports.csvFormat = csvFormat; +exports.csvFormatRows = csvFormatRows; +exports.tsvParse = tsvParse; +exports.tsvParseRows = tsvParseRows; +exports.tsvFormat = tsvFormat; +exports.tsvFormatRows = tsvFormatRows; +exports.easeLinear = linear$1; +exports.easeQuad = quadInOut; +exports.easeQuadIn = quadIn; +exports.easeQuadOut = quadOut; +exports.easeQuadInOut = quadInOut; +exports.easeCubic = cubicInOut; +exports.easeCubicIn = cubicIn; +exports.easeCubicOut = cubicOut; +exports.easeCubicInOut = cubicInOut; +exports.easePoly = polyInOut; +exports.easePolyIn = polyIn; +exports.easePolyOut = polyOut; +exports.easePolyInOut = polyInOut; +exports.easeSin = sinInOut; +exports.easeSinIn = sinIn; +exports.easeSinOut = sinOut; +exports.easeSinInOut = sinInOut; +exports.easeExp = expInOut; +exports.easeExpIn = expIn; +exports.easeExpOut = expOut; +exports.easeExpInOut = expInOut; +exports.easeCircle = circleInOut; +exports.easeCircleIn = circleIn; +exports.easeCircleOut = circleOut; +exports.easeCircleInOut = circleInOut; +exports.easeBounce = bounceOut; +exports.easeBounceIn = bounceIn; +exports.easeBounceOut = bounceOut; +exports.easeBounceInOut = bounceInOut; +exports.easeBack = backInOut; +exports.easeBackIn = backIn; +exports.easeBackOut = backOut; +exports.easeBackInOut = backInOut; +exports.easeElastic = elasticOut; +exports.easeElasticIn = elasticIn; +exports.easeElasticOut = elasticOut; +exports.easeElasticInOut = elasticInOut; +exports.forceCenter = center$1; +exports.forceCollide = collide; +exports.forceLink = link; +exports.forceManyBody = manyBody; +exports.forceSimulation = simulation; +exports.forceX = x$2; +exports.forceY = y$2; +exports.formatDefaultLocale = defaultLocale; +exports.formatLocale = formatLocale; +exports.formatSpecifier = formatSpecifier; +exports.precisionFixed = precisionFixed; +exports.precisionPrefix = precisionPrefix; +exports.precisionRound = precisionRound; +exports.geoArea = area; +exports.geoBounds = bounds; +exports.geoCentroid = centroid; +exports.geoCircle = circle; +exports.geoClipExtent = extent$1; +exports.geoContains = contains; +exports.geoDistance = distance; +exports.geoGraticule = graticule; +exports.geoGraticule10 = graticule10; +exports.geoInterpolate = interpolate$1; +exports.geoLength = length$1; +exports.geoPath = index$1; +exports.geoAlbers = albers; +exports.geoAlbersUsa = albersUsa; +exports.geoAzimuthalEqualArea = azimuthalEqualArea; +exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw; +exports.geoAzimuthalEquidistant = azimuthalEquidistant; +exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; +exports.geoConicConformal = conicConformal; +exports.geoConicConformalRaw = conicConformalRaw; +exports.geoConicEqualArea = conicEqualArea; +exports.geoConicEqualAreaRaw = conicEqualAreaRaw; +exports.geoConicEquidistant = conicEquidistant; +exports.geoConicEquidistantRaw = conicEquidistantRaw; +exports.geoEquirectangular = equirectangular; +exports.geoEquirectangularRaw = equirectangularRaw; +exports.geoGnomonic = gnomonic; +exports.geoGnomonicRaw = gnomonicRaw; +exports.geoIdentity = identity$5; +exports.geoProjection = projection; +exports.geoProjectionMutator = projectionMutator; +exports.geoMercator = mercator; +exports.geoMercatorRaw = mercatorRaw; +exports.geoOrthographic = orthographic; +exports.geoOrthographicRaw = orthographicRaw; +exports.geoStereographic = stereographic; +exports.geoStereographicRaw = stereographicRaw; +exports.geoTransverseMercator = transverseMercator; +exports.geoTransverseMercatorRaw = transverseMercatorRaw; +exports.geoRotation = rotation; +exports.geoStream = geoStream; +exports.geoTransform = transform; +exports.cluster = cluster; +exports.hierarchy = hierarchy; +exports.pack = index$2; +exports.packSiblings = siblings; +exports.packEnclose = enclose; +exports.partition = partition; +exports.stratify = stratify; +exports.tree = tree; +exports.treemap = index$3; +exports.treemapBinary = binary; +exports.treemapDice = treemapDice; +exports.treemapSlice = treemapSlice; +exports.treemapSliceDice = sliceDice; +exports.treemapSquarify = squarify; +exports.treemapResquarify = resquarify; +exports.interpolate = interpolateValue; +exports.interpolateArray = array$1; +exports.interpolateBasis = basis$1; +exports.interpolateBasisClosed = basisClosed; +exports.interpolateDate = date; +exports.interpolateNumber = reinterpolate; +exports.interpolateObject = object; +exports.interpolateRound = interpolateRound; +exports.interpolateString = interpolateString; +exports.interpolateTransformCss = interpolateTransformCss; +exports.interpolateTransformSvg = interpolateTransformSvg; +exports.interpolateZoom = interpolateZoom; +exports.interpolateRgb = interpolateRgb; +exports.interpolateRgbBasis = rgbBasis; +exports.interpolateRgbBasisClosed = rgbBasisClosed; +exports.interpolateHsl = hsl$2; +exports.interpolateHslLong = hslLong; +exports.interpolateLab = lab$1; +exports.interpolateHcl = hcl$2; +exports.interpolateHclLong = hclLong; +exports.interpolateCubehelix = cubehelix$2; +exports.interpolateCubehelixLong = cubehelixLong; +exports.quantize = quantize; +exports.path = path; +exports.polygonArea = area$1; +exports.polygonCentroid = centroid$1; +exports.polygonHull = hull; +exports.polygonContains = contains$1; +exports.polygonLength = length$2; +exports.quadtree = quadtree; +exports.queue = queue; exports.randomUniform = uniform; exports.randomNormal = normal; exports.randomLogNormal = logNormal; exports.randomBates = bates; exports.randomIrwinHall = irwinHall; -exports.randomExponential = exponential; -exports.easeLinear = linear; -exports.easeQuad = quadInOut; -exports.easeQuadIn = quadIn; -exports.easeQuadOut = quadOut; -exports.easeQuadInOut = quadInOut; -exports.easeCubic = cubicInOut; -exports.easeCubicIn = cubicIn; -exports.easeCubicOut = cubicOut; -exports.easeCubicInOut = cubicInOut; -exports.easePoly = polyInOut; -exports.easePolyIn = polyIn; -exports.easePolyOut = polyOut; -exports.easePolyInOut = polyInOut; -exports.easeSin = sinInOut; -exports.easeSinIn = sinIn; -exports.easeSinOut = sinOut; -exports.easeSinInOut = sinInOut; -exports.easeExp = expInOut; -exports.easeExpIn = expIn; -exports.easeExpOut = expOut; -exports.easeExpInOut = expInOut; -exports.easeCircle = circleInOut; -exports.easeCircleIn = circleIn; -exports.easeCircleOut = circleOut; -exports.easeCircleInOut = circleInOut; -exports.easeBounce = bounceOut; -exports.easeBounceIn = bounceIn; -exports.easeBounceOut = bounceOut; -exports.easeBounceInOut = bounceInOut; -exports.easeBack = backInOut; -exports.easeBackIn = backIn; -exports.easeBackOut = backOut; -exports.easeBackInOut = backInOut; -exports.easeElastic = elasticOut; -exports.easeElasticIn = elasticIn; -exports.easeElasticOut = elasticOut; -exports.easeElasticInOut = elasticInOut; -exports.polygonArea = area; -exports.polygonCentroid = centroid; -exports.polygonHull = hull; -exports.polygonContains = contains; -exports.polygonLength = length$1; -exports.path = path; -exports.quadtree = quadtree; -exports.queue = queue; +exports.randomExponential = exponential$1; +exports.request = request; +exports.html = html; +exports.json = json; +exports.text = text; +exports.xml = xml; +exports.csv = csv$1; +exports.tsv = tsv$1; +exports.scaleBand = band; +exports.scalePoint = point$1; +exports.scaleIdentity = identity$6; +exports.scaleLinear = linear$2; +exports.scaleLog = log$1; +exports.scaleOrdinal = ordinal; +exports.scaleImplicit = implicit; +exports.scalePow = pow$1; +exports.scaleSqrt = sqrt$1; +exports.scaleQuantile = quantile$$1; +exports.scaleQuantize = quantize$1; +exports.scaleThreshold = threshold$1; +exports.scaleTime = time; +exports.scaleUtc = utcTime; +exports.schemeCategory10 = category10; +exports.schemeCategory20b = category20b; +exports.schemeCategory20c = category20c; +exports.schemeCategory20 = category20; +exports.interpolateCubehelixDefault = cubehelix$3; +exports.interpolateRainbow = rainbow$1; +exports.interpolateWarm = warm; +exports.interpolateCool = cool; +exports.interpolateViridis = viridis; +exports.interpolateMagma = magma; +exports.interpolateInferno = inferno; +exports.interpolatePlasma = plasma; +exports.scaleSequential = sequential; +exports.creator = creator; +exports.local = local$1; +exports.matcher = matcher$1; +exports.mouse = mouse; +exports.namespace = namespace; +exports.namespaces = namespaces; +exports.select = select; +exports.selectAll = selectAll; +exports.selection = selection; +exports.selector = selector; +exports.selectorAll = selectorAll; +exports.touch = touch; +exports.touches = touches; +exports.window = window; +exports.customEvent = customEvent; exports.arc = arc; -exports.area = area$1; +exports.area = area$2; exports.line = line; exports.pie = pie; exports.radialArea = radialArea; exports.radialLine = radialLine$1; exports.symbol = symbol; exports.symbols = symbols; -exports.symbolCircle = circle; -exports.symbolCross = cross$1; +exports.symbolCircle = circle$2; +exports.symbolCross = cross$2; exports.symbolDiamond = diamond; exports.symbolSquare = square; exports.symbolStar = star; exports.symbolTriangle = triangle; exports.symbolWye = wye; -exports.curveBasisClosed = basisClosed; +exports.curveBasisClosed = basisClosed$1; exports.curveBasisOpen = basisOpen; -exports.curveBasis = basis; +exports.curveBasis = basis$2; exports.curveBundle = bundle; exports.curveCardinalClosed = cardinalClosed; exports.curveCardinalOpen = cardinalOpen; @@ -16132,70 +16466,23 @@ exports.curveStepAfter = stepAfter; exports.curveStepBefore = stepBefore; exports.stack = stack; exports.stackOffsetExpand = expand; -exports.stackOffsetNone = none; +exports.stackOffsetNone = none$1; exports.stackOffsetSilhouette = silhouette; exports.stackOffsetWiggle = wiggle; -exports.stackOrderAscending = ascending$1; +exports.stackOrderAscending = ascending$2; exports.stackOrderDescending = descending$2; exports.stackOrderInsideOut = insideOut; -exports.stackOrderNone = none$1; +exports.stackOrderNone = none$2; exports.stackOrderReverse = reverse; -exports.color = color; -exports.rgb = rgb; -exports.hsl = hsl; -exports.lab = lab; -exports.hcl = hcl; -exports.cubehelix = cubehelix; -exports.interpolate = interpolate; -exports.interpolateArray = array$1; -exports.interpolateDate = date; -exports.interpolateNumber = interpolateNumber; -exports.interpolateObject = object; -exports.interpolateRound = interpolateRound; -exports.interpolateString = interpolateString; -exports.interpolateTransformCss = interpolateTransformCss; -exports.interpolateTransformSvg = interpolateTransformSvg; -exports.interpolateZoom = interpolateZoom; -exports.interpolateRgb = interpolateRgb; -exports.interpolateRgbBasis = rgbBasis; -exports.interpolateRgbBasisClosed = rgbBasisClosed; -exports.interpolateHsl = hsl$2; -exports.interpolateHslLong = hslLong; -exports.interpolateLab = lab$1; -exports.interpolateHcl = hcl$2; -exports.interpolateHclLong = hclLong; -exports.interpolateCubehelix = cubehelix$2; -exports.interpolateCubehelixLong = cubehelixLong; -exports.interpolateBasis = basis$2; -exports.interpolateBasisClosed = basisClosed$1; -exports.quantize = quantize; -exports.dispatch = dispatch; -exports.dsvFormat = dsv; -exports.csvParse = csvParse; -exports.csvParseRows = csvParseRows; -exports.csvFormat = csvFormat; -exports.csvFormatRows = csvFormatRows; -exports.tsvParse = tsvParse; -exports.tsvParseRows = tsvParseRows; -exports.tsvFormat = tsvFormat; -exports.tsvFormatRows = tsvFormatRows; -exports.request = request; -exports.html = html; -exports.json = json; -exports.text = text; -exports.xml = xml; -exports.csv = csv$1; -exports.tsv = tsv$1; -exports.now = now; -exports.timer = timer; -exports.timerFlush = timerFlush; -exports.timeout = timeout$1; -exports.interval = interval$1; exports.timeInterval = newInterval; exports.timeMillisecond = millisecond; exports.timeMilliseconds = milliseconds; +exports.utcMillisecond = millisecond; +exports.utcMilliseconds = milliseconds; exports.timeSecond = second; exports.timeSeconds = seconds; +exports.utcSecond = second; +exports.utcSeconds = seconds; exports.timeMinute = minute; exports.timeMinutes = minutes; exports.timeHour = hour; @@ -16222,10 +16509,6 @@ exports.timeMonth = month; exports.timeMonths = months; exports.timeYear = year; exports.timeYears = years; -exports.utcMillisecond = millisecond; -exports.utcMilliseconds = milliseconds; 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-exports.selection = selection; -exports.selector = selector; -exports.selectorAll = selectorAll; -exports.touch = touch; -exports.touches = touches; -exports.window = window; +exports.now = now; +exports.timer = timer; +exports.timerFlush = timerFlush; +exports.timeout = timeout$1; +exports.interval = interval$1; +exports.transition = transition; exports.active = active; exports.interrupt = interrupt; -exports.transition = transition; -exports.axisTop = axisTop; -exports.axisRight = axisRight; -exports.axisBottom = axisBottom; -exports.axisLeft = axisLeft; -exports.cluster = cluster; -exports.hierarchy = hierarchy; -exports.pack = index; -exports.packSiblings = siblings; -exports.packEnclose = enclose; -exports.partition = partition; -exports.stratify = stratify; -exports.tree = tree; -exports.treemap = index$1; -exports.treemapBinary = binary; -exports.treemapDice = treemapDice; -exports.treemapSlice = treemapSlice; -exports.treemapSliceDice = sliceDice; -exports.treemapSquarify = squarify; -exports.treemapResquarify = resquarify; -exports.forceCenter = center$1; -exports.forceCollide = collide; -exports.forceLink = link; -exports.forceManyBody = manyBody; -exports.forceSimulation = simulation; -exports.forceX = x$3; -exports.forceY = y$3; -exports.drag = drag; -exports.dragDisable = dragDisable; -exports.dragEnable = yesdrag; exports.voronoi = voronoi; exports.zoom = zoom; -exports.zoomIdentity = identity$6; -exports.zoomTransform = transform; -exports.brush = brush; -exports.brushX = brushX; -exports.brushY = brushY; -exports.brushSelection = brushSelection; -exports.chord = chord; -exports.ribbon = ribbon; -exports.geoAlbers = albers; -exports.geoAlbersUsa = albersUsa; -exports.geoArea = area$2; -exports.geoAzimuthalEqualArea = azimuthalEqualArea; -exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw; -exports.geoAzimuthalEquidistant = azimuthalEquidistant; -exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; -exports.geoBounds = bounds; -exports.geoCentroid = centroid$1; 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o(t){return[(+t[0][0]+ +t[1][0])/2,(+t[0][1]+ +t[1][1])/2]}function u(t,n,e){t.on("start.zoom",function(){a(this,arguments).start()}).on("interrupt.zoom end.zoom",function(){a(this,arguments).end()}).tween("zoom",function(){var t=this,r=arguments,i=a(t,r),u=m.apply(t,r),c=e||o(u),s=Math.max(u[1][0]-u[0][0],u[1][1]-u[0][1]),f=t.__zoom,l="function"==typeof n?n.apply(t,r):n,h=N(f.invert(c).concat(s/f.k),l.invert(c).concat(s/l.k));return function(t){if(1===t)t=l;else{var n=h(t),e=s/n[2];t=new Es(e,c[0]-n[0]*e,c[1]-n[1]*e)}i.zoom(null,t)}})}function a(t,n){for(var e,r=0,i=A.length;r0?Ml(this).transition().duration(S).call(u,f,a):Ml(this).call(n.transform,f)}}function h(){if(y.apply(this,arguments)){var n,e,r,i,o=a(this,arguments),u=t.event.changedTouches,c=u.length;for(Cs(),e=0;e Date: Wed, 1 Mar 2017 23:50:01 +0000 Subject: [PATCH 18/42] Bump version number to 4.7.0 --- CHANGELOG.md | 3 +++ README.md | 2 +- lib/d3/rails/version.rb | 2 +- 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index d9d6932..8842064 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## 4.7.0 (28 February 2017) +* Upgrade D3 to 4.7.0 + ## 4.4.0 (23 November 2016) * Upgrade D3 to 4.4.0 diff --git a/README.md b/README.md index 683fc0e..30e0e0e 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 4.4.0 of D3.js. The d3-rails version will +d3-rails comes with version 4.7.0 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/lib/d3/rails/version.rb b/lib/d3/rails/version.rb index fbe6657..ec317bb 100644 --- a/lib/d3/rails/version.rb +++ b/lib/d3/rails/version.rb @@ -1,5 +1,5 @@ module D3 module Rails - VERSION = "4.4.0" + VERSION = "4.7.0" end end From 9626a313f9a9e898e2b9682011b65e674c4bfed1 Mon Sep 17 00:00:00 2001 From: caveman07 Date: Fri, 14 Apr 2017 15:24:53 +0300 Subject: [PATCH 19/42] v4 updated --- app/assets/javascripts/d3.js | 76 +++++++++++++++-------------- app/assets/javascripts/d3.min.js | 16 +++--- app/assets/javascripts/d3.v4.js | 76 +++++++++++++++-------------- app/assets/javascripts/d3.v4.min.js | 16 +++--- 4 files changed, 96 insertions(+), 88 deletions(-) diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index 813b2da..35960aa 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,11 +1,11 @@ -// https://d3js.org Version 4.7.0. Copyright 2017 Mike Bostock. +// https://d3js.org Version 4.7.4. Copyright 2017 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "4.7.0"; +var version = "4.7.4"; var ascending = function(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -3333,7 +3333,7 @@ var transition_attr = function(name, value) { return this.attrTween(name, typeof value === "function" ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) - : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); + : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value + "")); }; function attrTweenNS(fullname, value) { @@ -3602,7 +3602,7 @@ var transition_style = function(name, value, priority) { .on("end.style." + name, styleRemoveEnd(name)) : this.styleTween(name, typeof value === "function" ? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) - : styleConstant$1(name, i, value), priority); + : styleConstant$1(name, i, value + ""), priority); }; function styleTween(name, value, priority) { @@ -4776,14 +4776,16 @@ Path.prototype = path.prototype = { // Is this arc empty? We’re done. if (!r) return; + // Does the angle go the wrong way? Flip the direction. + if (da < 0) da = da % tau$2 + tau$2; + // Is this a complete circle? Draw two arcs to complete the circle. if (da > tauEpsilon) { this._ += "A" + r + "," + r + ",0,1," + cw + "," + (x - dx) + "," + (y - dy) + "A" + r + "," + r + ",0,1," + cw + "," + (this._x1 = x0) + "," + (this._y1 = y0); } - // Otherwise, draw an arc! - else { - if (da < 0) da = da % tau$2 + tau$2; + // Is this arc non-empty? Draw an arc! + else if (da > epsilon$1) { this._ += "A" + r + "," + r + ",0," + (+(da >= pi$2)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1)); } }, @@ -5108,7 +5110,7 @@ function inferColumns(rows) { } var dsv = function(delimiter) { - var reFormat = new RegExp("[\"" + delimiter + "\n]"), + var reFormat = new RegExp("[\"" + delimiter + "\n\r]"), delimiterCode = delimiter.charCodeAt(0); function parse(text, f) { @@ -9233,31 +9235,38 @@ var mercator = function() { function mercatorProjection(project) { var m = projection(project), + center = m.center, scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, - clipAuto; + x0 = null, y0, x1, y1; // clip extent m.scale = function(_) { - return arguments.length ? (scale(_), clipAuto && m.clipExtent(null), m) : scale(); + return arguments.length ? (scale(_), reclip()) : scale(); }; m.translate = function(_) { - return arguments.length ? (translate(_), clipAuto && m.clipExtent(null), m) : translate(); + return arguments.length ? (translate(_), reclip()) : translate(); + }; + + m.center = function(_) { + return arguments.length ? (center(_), reclip()) : center(); }; m.clipExtent = function(_) { - if (!arguments.length) return clipAuto ? null : clipExtent(); - if (clipAuto = _ == null) { - var k = pi$3 * scale(), - t = translate(); - _ = [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]]; - } - clipExtent(_); - return m; + return arguments.length ? ((_ == null ? x0 = y0 = x1 = y1 = null : (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1])), reclip()) : x0 == null ? null : [[x0, y0], [x1, y1]]; }; - return m.clipExtent(null); + function reclip() { + var k = pi$3 * scale(), + t = m(rotation(m.rotate()).invert([0, 0])); + return clipExtent(x0 == null + ? [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]] : project === mercatorRaw + ? [[Math.max(t[0] - k, x0), y0], [Math.min(t[0] + k, x1), y1]] + : [[x0, Math.max(t[1] - k, y0)], [x1, Math.min(t[1] + k, y1)]]); + } + + return reclip(); } function tany(y) { @@ -9882,12 +9891,6 @@ function intersects(a, b) { return dr * dr - 1e-6 > dx * dx + dy * dy; } -function distance1(a, b) { - var l = a._.r; - while (a !== b) l += 2 * (a = a.next)._.r; - return l - b._.r; -} - function distance2(node, x, y) { var a = node._, b = node.next._, @@ -9945,15 +9948,13 @@ function packEnclose(circles) { do { if (sj <= sk) { if (intersects(j._, c._)) { - if (sj + a._.r + b._.r > distance1(j, b)) a = j; else b = j; - a.next = b, b.previous = a, --i; + b = j, a.next = b, b.previous = a, --i; continue pack; } sj += j._.r, j = j.next; } else { if (intersects(k._, c._)) { - if (distance1(a, k) > sk + a._.r + b._.r) a = k; else b = k; - a.next = b, b.previous = a, --i; + a = k, a.next = b, b.previous = a, --i; continue pack; } sk += k._.r, k = k.previous; @@ -10661,17 +10662,19 @@ var binary = function(parent, x0, y0, x1, y1) { else hi = mid; } + if ((valueTarget - sums[k - 1]) < (sums[k] - valueTarget) && i + 1 < k) --k; + var valueLeft = sums[k] - valueOffset, valueRight = value - valueLeft; - if ((y1 - y0) > (x1 - x0)) { - var yk = (y0 * valueRight + y1 * valueLeft) / value; - partition(i, k, valueLeft, x0, y0, x1, yk); - partition(k, j, valueRight, x0, yk, x1, y1); - } else { + if ((x1 - x0) > (y1 - y0)) { var xk = (x0 * valueRight + x1 * valueLeft) / value; partition(i, k, valueLeft, x0, y0, xk, y1); partition(k, j, valueRight, xk, y0, x1, y1); + } else { + var yk = (y0 * valueRight + y1 * valueLeft) / value; + partition(i, k, valueLeft, x0, y0, x1, yk); + partition(k, j, valueRight, x0, yk, x1, y1); } } }; @@ -16137,7 +16140,8 @@ var zoom = function() { else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; } if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1; - if (!g.touch0) g.end(); + if (g.touch0) g.touch0[1] = this.__zoom.invert(g.touch0[0]); + else g.end(); } zoom.filter = function(_) { diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index a8d46ff..6ba6b41 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.7.0. 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2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:yc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};var Qb=function(t){return new mc(t)};xc.prototype={areaStart:Jb,areaEnd:Jb,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:yc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};var Kb=function(t){return new xc(t)};bc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:yc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};var tw=function(t){return new bc(t)};wc.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var r,i=t[0],o=n[0],u=t[e]-i,a=n[e]-o,c=-1;++c<=e;)r=c/e,this._basis.point(this._beta*t[c]+(1-this._beta)*(i+r*u),this._beta*n[c]+(1-this._beta)*(o+r*a));this._x=this._y=null,this._basis.lineEnd()},point:function(t,n){this._x.push(+t),this._y.push(+n)}};var nw=function t(n){function e(t){return 1===n?new mc(t):new wc(t,n)}return e.beta=function(n){return t(+n)},e}(.85);Tc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:Mc(this,this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2,this._x1=t,this._y1=n;break;case 2:this._point=3;default:Mc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var ew=function t(n){function e(t){return new Tc(t,n)}return e.tension=function(n){return t(+n)},e}(0);kc.prototype={areaStart:Jb,areaEnd:Jb,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Mc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var rw=function t(n){function e(t){return new kc(t,n)}return e.tension=function(n){return t(+n)},e}(0);Sc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:Mc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var iw=function t(n){function e(t){return new Sc(t,n)}return e.tension=function(n){return t(+n)},e}(0);Ec.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0: +this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3;default:Nc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var ow=function t(n){function e(t){return n?new Ec(t,n):new Tc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);Ac.prototype={areaStart:Jb,areaEnd:Jb,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Nc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var uw=function t(n){function e(t){return n?new Ac(t,n):new kc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);Cc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:Nc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var aw=function t(n){function e(t){return n?new Cc(t,n):new Sc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);zc.prototype={areaStart:Jb,areaEnd:Jb,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}};var cw=function(t){return new zc(t)};Uc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:qc(this,this._t0,Rc(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,qc(this,Rc(this,e=Lc(this,t,n)),e);break;default:qc(this,this._t0,e=Lc(this,t,n))}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n,this._t0=e}}},(Dc.prototype=Object.create(Uc.prototype)).point=function(t,n){Uc.prototype.point.call(this,n,t)},Oc.prototype={moveTo:function(t,n){this._context.moveTo(n,t)},closePath:function(){this._context.closePath()},lineTo:function(t,n){this._context.lineTo(n,t)},bezierCurveTo:function(t,n,e,r,i,o){this._context.bezierCurveTo(n,t,r,e,o,i)}},Yc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=[],this._y=[]},lineEnd:function(){var t=this._x,n=this._y,e=t.length;if(e)if(this._line?this._context.lineTo(t[0],n[0]):this._context.moveTo(t[0],n[0]),2===e)this._context.lineTo(t[1],n[1]);else for(var r=Bc(t),i=Bc(n),o=0,u=1;u=0&&(this._t=1-this._t,this._line=1-this._line)},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:if(this._t<=0)this._context.lineTo(this._x,n),this._context.lineTo(t,n);else{var e=this._x*(1-this._t)+t*this._t;this._context.lineTo(e,this._y),this._context.lineTo(e,n)}}this._x=t,this._y=n}};var fw=function(t){return new jc(t,.5)},lw=Array.prototype.slice,hw=function(t,n){if((r=t.length)>1)for(var e,r,i=1,o=t[n[0]],u=o.length;i=0;)e[n]=n;return e},dw=function(){function t(t){var o,u,a=n.apply(this,arguments),c=t.length,s=a.length,f=new Array(s);for(o=0;o0){for(var e,r,i,o=0,u=t[0].length;o0){for(var e,r=0,i=t[n[0]],o=i.length;r0&&(r=(e=t[n[0]]).length)>0){for(var e,r,i,o=0,u=1;u=a)return null;var c=t-i.site[0],s=n-i.site[1],f=c*c+s*s;do{i=o.cells[r=u],u=null,i.halfedges.forEach(function(e){var r=o.edges[e],a=r.left;if(a!==i.site&&a||(a=r.right)){var c=t-a[0],s=n-a[1],l=c*c+s*s;le?(e+r)/2:Math.min(0,e)||Math.max(0,r),o>i?(i+o)/2:Math.min(0,i)||Math.max(0,o))}function o(t){return[(+t[0][0]+ +t[1][0])/2,(+t[0][1]+ +t[1][1])/2]}function u(t,n,e){t.on("start.zoom",function(){a(this,arguments).start()}).on("interrupt.zoom end.zoom",function(){a(this,arguments).end()}).tween("zoom",function(){var t=this,r=arguments,i=a(t,r),u=m.apply(t,r),c=e||o(u),s=Math.max(u[1][0]-u[0][0],u[1][1]-u[0][1]),f=t.__zoom,l="function"==typeof n?n.apply(t,r):n,h=N(f.invert(c).concat(s/f.k),l.invert(c).concat(s/l.k));return function(t){if(1===t)t=l;else{var n=h(t),e=s/n[2];t=new Ns(e,c[0]-n[0]*e,c[1]-n[1]*e)}i.zoom(null,t)}})}function a(t,n){for(var e,r=0,i=A.length;r0?bl(this).transition().duration(S).call(u,f,a):bl(this).call(n.transform,f)}}function h(){if(y.apply(this,arguments)){var n,e,r,i,o=a(this,arguments),u=t.event.changedTouches,c=u.length;for(As(),e=0;e b ? 1 : a >= b ? 0 : NaN; @@ -3333,7 +3333,7 @@ var transition_attr = function(name, value) { return this.attrTween(name, typeof value === "function" ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) - : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); + : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value + "")); }; function attrTweenNS(fullname, value) { @@ -3602,7 +3602,7 @@ var transition_style = function(name, value, priority) { .on("end.style." + name, styleRemoveEnd(name)) : this.styleTween(name, typeof value === "function" ? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) - : styleConstant$1(name, i, value), priority); + : styleConstant$1(name, i, value + ""), priority); }; function styleTween(name, value, priority) { @@ -4776,14 +4776,16 @@ Path.prototype = path.prototype = { // Is this arc empty? We’re done. if (!r) return; + // Does the angle go the wrong way? Flip the direction. + if (da < 0) da = da % tau$2 + tau$2; + // Is this a complete circle? Draw two arcs to complete the circle. if (da > tauEpsilon) { this._ += "A" + r + "," + r + ",0,1," + cw + "," + (x - dx) + "," + (y - dy) + "A" + r + "," + r + ",0,1," + cw + "," + (this._x1 = x0) + "," + (this._y1 = y0); } - // Otherwise, draw an arc! - else { - if (da < 0) da = da % tau$2 + tau$2; + // Is this arc non-empty? Draw an arc! + else if (da > epsilon$1) { this._ += "A" + r + "," + r + ",0," + (+(da >= pi$2)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1)); } }, @@ -5108,7 +5110,7 @@ function inferColumns(rows) { } var dsv = function(delimiter) { - var reFormat = new RegExp("[\"" + delimiter + "\n]"), + var reFormat = new RegExp("[\"" + delimiter + "\n\r]"), delimiterCode = delimiter.charCodeAt(0); function parse(text, f) { @@ -9233,31 +9235,38 @@ var mercator = function() { function mercatorProjection(project) { var m = projection(project), + center = m.center, scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, - clipAuto; + x0 = null, y0, x1, y1; // clip extent m.scale = function(_) { - return arguments.length ? (scale(_), clipAuto && m.clipExtent(null), m) : scale(); + return arguments.length ? (scale(_), reclip()) : scale(); }; m.translate = function(_) { - return arguments.length ? (translate(_), clipAuto && m.clipExtent(null), m) : translate(); + return arguments.length ? (translate(_), reclip()) : translate(); + }; + + m.center = function(_) { + return arguments.length ? (center(_), reclip()) : center(); }; m.clipExtent = function(_) { - if (!arguments.length) return clipAuto ? null : clipExtent(); - if (clipAuto = _ == null) { - var k = pi$3 * scale(), - t = translate(); - _ = [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]]; - } - clipExtent(_); - return m; + return arguments.length ? ((_ == null ? x0 = y0 = x1 = y1 = null : (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1])), reclip()) : x0 == null ? null : [[x0, y0], [x1, y1]]; }; - return m.clipExtent(null); + function reclip() { + var k = pi$3 * scale(), + t = m(rotation(m.rotate()).invert([0, 0])); + return clipExtent(x0 == null + ? [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]] : project === mercatorRaw + ? [[Math.max(t[0] - k, x0), y0], [Math.min(t[0] + k, x1), y1]] + : [[x0, Math.max(t[1] - k, y0)], [x1, Math.min(t[1] + k, y1)]]); + } + + return reclip(); } function tany(y) { @@ -9882,12 +9891,6 @@ function intersects(a, b) { return dr * dr - 1e-6 > dx * dx + dy * dy; } -function distance1(a, b) { - var l = a._.r; - while (a !== b) l += 2 * (a = a.next)._.r; - return l - b._.r; -} - function distance2(node, x, y) { var a = node._, b = node.next._, @@ -9945,15 +9948,13 @@ function packEnclose(circles) { do { if (sj <= sk) { if (intersects(j._, c._)) { - if (sj + a._.r + b._.r > distance1(j, b)) a = j; else b = j; - a.next = b, b.previous = a, --i; + b = j, a.next = b, b.previous = a, --i; continue pack; } sj += j._.r, j = j.next; } else { if (intersects(k._, c._)) { - if (distance1(a, k) > sk + a._.r + b._.r) a = k; else b = k; - a.next = b, b.previous = a, --i; + a = k, a.next = b, b.previous = a, --i; continue pack; } sk += k._.r, k = k.previous; @@ -10661,17 +10662,19 @@ var binary = function(parent, x0, y0, x1, y1) { else hi = mid; } + if ((valueTarget - sums[k - 1]) < (sums[k] - valueTarget) && i + 1 < k) --k; + var valueLeft = sums[k] - valueOffset, valueRight = value - valueLeft; - if ((y1 - y0) > (x1 - x0)) { - var yk = (y0 * valueRight + y1 * valueLeft) / value; - partition(i, k, valueLeft, x0, y0, x1, yk); - partition(k, j, valueRight, x0, yk, x1, y1); - } else { + if ((x1 - x0) > (y1 - y0)) { var xk = (x0 * valueRight + x1 * valueLeft) / value; partition(i, k, valueLeft, x0, y0, xk, y1); partition(k, j, valueRight, xk, y0, x1, y1); + } else { + var yk = (y0 * valueRight + y1 * valueLeft) / value; + partition(i, k, valueLeft, x0, y0, x1, yk); + partition(k, j, valueRight, x0, yk, x1, y1); } } }; @@ -16137,7 +16140,8 @@ var zoom = function() { else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; } if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1; - if (!g.touch0) g.end(); + if (g.touch0) g.touch0[1] = this.__zoom.invert(g.touch0[0]); + else g.end(); } zoom.filter = function(_) { diff --git a/app/assets/javascripts/d3.v4.min.js b/app/assets/javascripts/d3.v4.min.js index a8d46ff..6ba6b41 100644 --- a/app/assets/javascripts/d3.v4.min.js +++ b/app/assets/javascripts/d3.v4.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.7.0. 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0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:if(this._t<=0)this._context.lineTo(this._x,n),this._context.lineTo(t,n);else{var e=this._x*(1-this._t)+t*this._t;this._context.lineTo(e,this._y),this._context.lineTo(e,n)}}this._x=t,this._y=n}};var fw=function(t){return new jc(t,.5)},lw=Array.prototype.slice,hw=function(t,n){if((r=t.length)>1)for(var e,r,i=1,o=t[n[0]],u=o.length;i=0;)e[n]=n;return e},dw=function(){function t(t){var o,u,a=n.apply(this,arguments),c=t.length,s=a.length,f=new Array(s);for(o=0;o0){for(var e,r,i,o=0,u=t[0].length;o0){for(var e,r=0,i=t[n[0]],o=i.length;r0&&(r=(e=t[n[0]]).length)>0){for(var e,r,i,o=0,u=1;u=a)return null;var c=t-i.site[0],s=n-i.site[1],f=c*c+s*s;do{i=o.cells[r=u],u=null,i.halfedges.forEach(function(e){var r=o.edges[e],a=r.left;if(a!==i.site&&a||(a=r.right)){var c=t-a[0],s=n-a[1],l=c*c+s*s;le?(e+r)/2:Math.min(0,e)||Math.max(0,r),o>i?(i+o)/2:Math.min(0,i)||Math.max(0,o))}function o(t){return[(+t[0][0]+ +t[1][0])/2,(+t[0][1]+ +t[1][1])/2]}function u(t,n,e){t.on("start.zoom",function(){a(this,arguments).start()}).on("interrupt.zoom end.zoom",function(){a(this,arguments).end()}).tween("zoom",function(){var t=this,r=arguments,i=a(t,r),u=m.apply(t,r),c=e||o(u),s=Math.max(u[1][0]-u[0][0],u[1][1]-u[0][1]),f=t.__zoom,l="function"==typeof n?n.apply(t,r):n,h=N(f.invert(c).concat(s/f.k),l.invert(c).concat(s/l.k));return function(t){if(1===t)t=l;else{var n=h(t),e=s/n[2];t=new Ns(e,c[0]-n[0]*e,c[1]-n[1]*e)}i.zoom(null,t)}})}function a(t,n){for(var e,r=0,i=A.length;r0?bl(this).transition().duration(S).call(u,f,a):bl(this).call(n.transform,f)}}function h(){if(y.apply(this,arguments)){var n,e,r,i,o=a(this,arguments),u=t.event.changedTouches,c=u.length;for(As(),e=0;e Date: Sun, 16 Apr 2017 10:42:28 +0200 Subject: [PATCH 20/42] Bump version to 4.7.4 --- README.md | 2 +- lib/d3/rails/version.rb | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index 30e0e0e..b934ebe 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 4.7.0 of D3.js. The d3-rails version will +d3-rails comes with version 4.7.4 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/lib/d3/rails/version.rb b/lib/d3/rails/version.rb index ec317bb..fb6a43f 100644 --- a/lib/d3/rails/version.rb +++ b/lib/d3/rails/version.rb @@ -1,5 +1,5 @@ module D3 module Rails - VERSION = "4.7.0" + VERSION = "4.7.4" end end From 5de62233e3cf1db577aa9210d22fac103f253cfc Mon Sep 17 00:00:00 2001 From: Stuart Swindells Date: Mon, 17 Apr 2017 00:28:26 +0000 Subject: [PATCH 21/42] D3 v4.7.4 -> v4.8.0 --- CHANGELOG.md | 3 + README.md | 2 +- app/assets/javascripts/d3.js | 346 ++++++++++++++++++---------- app/assets/javascripts/d3.min.js | 16 +- app/assets/javascripts/d3.v4.js | 346 ++++++++++++++++++---------- app/assets/javascripts/d3.v4.min.js | 16 +- lib/d3/rails/version.rb | 2 +- 7 files changed, 479 insertions(+), 252 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 8842064..e2ca81a 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## 4.8.0 (15 April 2017) +# Upgrade D3 to 4.8.0 + ## 4.7.0 (28 February 2017) * Upgrade D3 to 4.7.0 diff --git a/README.md b/README.md index b934ebe..328617f 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 4.7.4 of D3.js. The d3-rails version will +d3-rails comes with version 4.8.0 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index 35960aa..31e0698 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,11 +1,11 @@ -// https://d3js.org Version 4.7.4. Copyright 2017 Mike Bostock. +// https://d3js.org Version 4.8.0. Copyright 2017 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "4.7.4"; +var version = "4.8.0"; var ascending = function(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -58,11 +58,24 @@ function pair(a, b) { return [a, b]; } -var cross = function(a, b, f) { - var na = a.length, nb = b.length, c = new Array(na * nb), ia, ib, ic, va; - if (f == null) f = pair; - for (ia = ic = 0; ia < na; ++ia) for (va = a[ia], ib = 0; ib < nb; ++ib, ++ic) c[ic] = f(va, b[ib]); - return c; +var cross = function(values0, values1, reduce) { + var n0 = values0.length, + n1 = values1.length, + values = new Array(n0 * n1), + i0, + i1, + i, + value0; + + if (reduce == null) reduce = pair; + + for (i0 = i = 0; i0 < n0; ++i0) { + for (value0 = values0[i0], i1 = 0; i1 < n1; ++i1, ++i) { + values[i] = reduce(value0, values1[i1]); + } + } + + return values; }; var descending = function(a, b) { @@ -73,36 +86,36 @@ var number = function(x) { return x === null ? NaN : +x; }; -var variance = function(array, f) { - var n = array.length, +var variance = function(values, valueof) { + var n = values.length, m = 0, - a, - d, - s = 0, i = -1, - j = 0; + mean = 0, + value, + delta, + sum = 0; - if (f == null) { + if (valueof == null) { while (++i < n) { - if (!isNaN(a = number(array[i]))) { - d = a - m; - m += d / ++j; - s += d * (a - m); + if (!isNaN(value = number(values[i]))) { + delta = value - mean; + mean += delta / ++m; + sum += delta * (value - mean); } } } else { while (++i < n) { - if (!isNaN(a = number(f(array[i], i, array)))) { - d = a - m; - m += d / ++j; - s += d * (a - m); + if (!isNaN(value = number(valueof(values[i], i, values)))) { + delta = value - mean; + mean += delta / ++m; + sum += delta * (value - mean); } } } - if (j > 1) return s / (j - 1); + if (m > 1) return sum / (m - 1); }; var deviation = function(array, f) { @@ -110,30 +123,42 @@ var deviation = function(array, f) { return v ? Math.sqrt(v) : v; }; -var extent = function(array, f) { - var i = -1, - n = array.length, - a, - b, - c; - - if (f == null) { - while (++i < n) if ((b = array[i]) != null && b >= b) { a = c = b; break; } - while (++i < n) if ((b = array[i]) != null) { - if (a > b) a = b; - if (c < b) c = b; +var extent = function(values, valueof) { + var n = values.length, + i = -1, + value, + min, + max; + + if (valueof == null) { + while (++i < n) { // Find the first comparable value. + if ((value = values[i]) != null && value >= value) { + min = max = value; + while (++i < n) { // Compare the remaining values. + if ((value = values[i]) != null) { + if (min > value) min = value; + if (max < value) max = value; + } + } + } } } else { - while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = c = b; break; } - while (++i < n) if ((b = f(array[i], i, array)) != null) { - if (a > b) a = b; - if (c < b) c = b; + while (++i < n) { // Find the first comparable value. + if ((value = valueof(values[i], i, values)) != null && value >= value) { + min = max = value; + while (++i < n) { // Compare the remaining values. + if ((value = valueof(values[i], i, values)) != null) { + if (min > value) min = value; + if (max < value) max = value; + } + } + } } } - return [a, c]; + return [min, max]; }; var array = Array.prototype; @@ -170,14 +195,42 @@ var e5 = Math.sqrt(10); var e2 = Math.sqrt(2); var ticks = function(start, stop, count) { - var step = tickStep(start, stop, count); - return sequence( - Math.ceil(start / step) * step, - Math.floor(stop / step) * step + step / 2, // inclusive - step - ); + var reverse = stop < start, + i = -1, + n, + ticks, + step; + + if (reverse) n = start, start = stop, stop = n; + + if ((step = tickIncrement(start, stop, count)) === 0 || !isFinite(step)) return []; + + if (step > 0) { + start = Math.ceil(start / step); + stop = Math.floor(stop / step); + ticks = new Array(n = Math.ceil(stop - start + 1)); + while (++i < n) ticks[i] = (start + i) * step; + } else { + start = Math.floor(start * step); + stop = Math.ceil(stop * step); + ticks = new Array(n = Math.ceil(start - stop + 1)); + while (++i < n) ticks[i] = (start - i) / step; + } + + if (reverse) ticks.reverse(); + + return ticks; }; +function tickIncrement(start, stop, count) { + var step = (stop - start) / Math.max(0, count), + power = Math.floor(Math.log(step) / Math.LN10), + error = step / Math.pow(10, power); + return power >= 0 + ? (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1) * Math.pow(10, power) + : -Math.pow(10, -power) / (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1); +} + function tickStep(start, stop, count) { var step0 = Math.abs(stop - start) / Math.max(0, count), step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)), @@ -213,12 +266,15 @@ var histogram = function() { tz = threshold(values, x0, x1); // Convert number of thresholds into uniform thresholds. - if (!Array.isArray(tz)) tz = ticks(x0, x1, tz); + if (!Array.isArray(tz)) { + tz = tickStep(x0, x1, tz); + tz = sequence(Math.ceil(x0 / tz) * tz, Math.floor(x1 / tz) * tz, tz); // exclusive + } // Remove any thresholds outside the domain. var m = tz.length; while (tz[0] <= x0) tz.shift(), --m; - while (tz[m - 1] >= x1) tz.pop(), --m; + while (tz[m - 1] > x1) tz.pop(), --m; var bins = new Array(m + 1), bin; @@ -256,17 +312,17 @@ var histogram = function() { return histogram; }; -var threshold = function(array, p, f) { - if (f == null) f = number; - if (!(n = array.length)) return; - if ((p = +p) <= 0 || n < 2) return +f(array[0], 0, array); - if (p >= 1) return +f(array[n - 1], n - 1, array); +var threshold = function(values, p, valueof) { + if (valueof == null) valueof = number; + if (!(n = values.length)) return; + if ((p = +p) <= 0 || n < 2) return +valueof(values[0], 0, values); + if (p >= 1) return +valueof(values[n - 1], n - 1, values); var n, - h = (n - 1) * p, - i = Math.floor(h), - a = +f(array[i], i, array), - b = +f(array[i + 1], i + 1, array); - return a + (b - a) * (h - i); + i = (n - 1) * p, + i0 = Math.floor(i), + value0 = +valueof(values[i0], i0, values), + value1 = +valueof(values[i0 + 1], i0 + 1, values); + return value0 + (value1 - value0) * (i - i0); }; var freedmanDiaconis = function(values, min, max) { @@ -278,55 +334,85 @@ var scott = function(values, min, max) { return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3))); }; -var max = function(array, f) { - var i = -1, - n = array.length, - a, - b; - - if (f == null) { - while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = array[i]) != null && b > a) a = b; +var max = function(values, valueof) { + var n = values.length, + i = -1, + value, + max; + + if (valueof == null) { + while (++i < n) { // Find the first comparable value. + if ((value = values[i]) != null && value >= value) { + max = value; + while (++i < n) { // Compare the remaining values. + if ((value = values[i]) != null && value > max) { + max = value; + } + } + } + } } else { - while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = f(array[i], i, array)) != null && b > a) a = b; + while (++i < n) { // Find the first comparable value. + if ((value = valueof(values[i], i, values)) != null && value >= value) { + max = value; + while (++i < n) { // Compare the remaining values. + if ((value = valueof(values[i], i, values)) != null && value > max) { + max = value; + } + } + } + } } - return a; + return max; }; -var mean = function(array, f) { - var s = 0, - n = array.length, - a, +var mean = function(values, valueof) { + var n = values.length, + m = n, i = -1, - j = n; + value, + sum = 0; - if (f == null) { - while (++i < n) if (!isNaN(a = number(array[i]))) s += a; else --j; + if (valueof == null) { + while (++i < n) { + if (!isNaN(value = number(values[i]))) sum += value; + else --m; + } } else { - while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) s += a; else --j; + while (++i < n) { + if (!isNaN(value = number(valueof(values[i], i, values)))) sum += value; + else --m; + } } - if (j) return s / j; + if (m) return sum / m; }; -var median = function(array, f) { - var numbers = [], - n = array.length, - a, - i = -1; +var median = function(values, valueof) { + var n = values.length, + i = -1, + value, + numbers = []; - if (f == null) { - while (++i < n) if (!isNaN(a = number(array[i]))) numbers.push(a); + if (valueof == null) { + while (++i < n) { + if (!isNaN(value = number(values[i]))) { + numbers.push(value); + } + } } else { - while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) numbers.push(a); + while (++i < n) { + if (!isNaN(value = number(valueof(values[i], i, values)))) { + numbers.push(value); + } + } } return threshold(numbers.sort(ascending), 0.5); @@ -354,23 +440,39 @@ var merge = function(arrays) { return merged; }; -var min = function(array, f) { - var i = -1, - n = array.length, - a, - b; - - if (f == null) { - while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = array[i]) != null && a > b) a = b; +var min = function(values, valueof) { + var n = values.length, + i = -1, + value, + min; + + if (valueof == null) { + while (++i < n) { // Find the first comparable value. + if ((value = values[i]) != null && value >= value) { + min = value; + while (++i < n) { // Compare the remaining values. + if ((value = values[i]) != null && min > value) { + min = value; + } + } + } + } } else { - while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = f(array[i], i, array)) != null && a > b) a = b; + while (++i < n) { // Find the first comparable value. + if ((value = valueof(values[i], i, values)) != null && value >= value) { + min = value; + while (++i < n) { // Compare the remaining values. + if ((value = valueof(values[i], i, values)) != null && min > value) { + min = value; + } + } + } + } } - return a; + return min; }; var permute = function(array, indexes) { @@ -379,17 +481,21 @@ var permute = function(array, indexes) { return permutes; }; -var scan = function(array, compare) { - if (!(n = array.length)) return; - var i = 0, - n, +var scan = function(values, compare) { + if (!(n = values.length)) return; + var n, + i = 0, j = 0, xi, - xj = array[j]; + xj = values[j]; - if (!compare) compare = ascending; + if (compare == null) compare = ascending; - while (++i < n) if (compare(xi = array[i], xj) < 0 || compare(xj, xj) !== 0) xj = xi, j = i; + while (++i < n) { + if (compare(xi = values[i], xj) < 0 || compare(xj, xj) !== 0) { + xj = xi, j = i; + } + } if (compare(xj, xj) === 0) return j; }; @@ -409,21 +515,25 @@ var shuffle = function(array, i0, i1) { return array; }; -var sum = function(array, f) { - var s = 0, - n = array.length, - a, - i = -1; +var sum = function(values, valueof) { + var n = values.length, + i = -1, + value, + sum = 0; - if (f == null) { - while (++i < n) if (a = +array[i]) s += a; // Note: zero and null are equivalent. + if (valueof == null) { + while (++i < n) { + if (value = +values[i]) sum += value; // Note: zero and null are equivalent. + } } else { - while (++i < n) if (a = +f(array[i], i, array)) s += a; + while (++i < n) { + if (value = +valueof(values[i], i, values)) sum += value; + } } - return s; + return sum; }; var transpose = function(matrix) { @@ -6405,7 +6515,8 @@ var formatLocale = function(locale) { var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, currency = locale.currency, decimal = locale.decimal, - numerals = locale.numerals ? formatNumerals(locale.numerals) : identity$3; + numerals = locale.numerals ? formatNumerals(locale.numerals) : identity$3, + percent = locale.percent || "%"; function newFormat(specifier) { specifier = formatSpecifier(specifier); @@ -6423,7 +6534,7 @@ var formatLocale = function(locale) { // Compute the prefix and suffix. // For SI-prefix, the suffix is lazily computed. var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", - suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? "%" : ""; + suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? percent : ""; // What format function should we use? // Is this an integer type? @@ -16203,6 +16314,7 @@ exports.scan = scan; exports.shuffle = shuffle; exports.sum = sum; exports.ticks = ticks; +exports.tickIncrement = tickIncrement; exports.tickStep = tickStep; exports.transpose = transpose; exports.variance = variance; diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index 6ba6b41..4224fcf 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.7.4. 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2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:mc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};var Kb=function(t){return new xc(t)};bc.prototype={areaStart:Qb,areaEnd:Qb,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:mc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};var tw=function(t){return new bc(t)};wc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:mc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};var nw=function(t){return new wc(t)};Mc.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var r,i=t[0],o=n[0],u=t[e]-i,a=n[e]-o,c=-1;++c<=e;)r=c/e,this._basis.point(this._beta*t[c]+(1-this._beta)*(i+r*u),this._beta*n[c]+(1-this._beta)*(o+r*a));this._x=this._y=null,this._basis.lineEnd()},point:function(t,n){this._x.push(+t),this._y.push(+n)}};var ew=function t(n){function e(t){return 1===n?new xc(t):new Mc(t,n)}return e.beta=function(n){return t(+n)},e}(.85);Sc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:Tc(this,this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2,this._x1=t,this._y1=n;break;case 2:this._point=3;default:Tc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var rw=function t(n){function e(t){return new Sc(t,n)}return e.tension=function(n){return t(+n)},e}(0);Nc.prototype={areaStart:Qb,areaEnd:Qb,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Tc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var iw=function t(n){function e(t){return new Nc(t,n)}return e.tension=function(n){return t(+n)},e}(0);kc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:Tc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var ow=function t(n){function e(t){return new kc(t,n)}return e.tension=function(n){return t(+n)},e}(0);Ac.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN, +this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3;default:Ec(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var uw=function t(n){function e(t){return n?new Ac(t,n):new Sc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);Cc.prototype={areaStart:Qb,areaEnd:Qb,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Ec(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var aw=function t(n){function e(t){return n?new Cc(t,n):new Nc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);zc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:Ec(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var cw=function t(n){function e(t){return n?new zc(t,n):new kc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);Pc.prototype={areaStart:Qb,areaEnd:Qb,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}};var sw=function(t){return new Pc(t)};Dc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:Uc(this,this._t0,qc(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,Uc(this,qc(this,e=Rc(this,t,n)),e);break;default:Uc(this,this._t0,e=Rc(this,t,n))}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n,this._t0=e}}},(Oc.prototype=Object.create(Dc.prototype)).point=function(t,n){Dc.prototype.point.call(this,n,t)},Fc.prototype={moveTo:function(t,n){this._context.moveTo(n,t)},closePath:function(){this._context.closePath()},lineTo:function(t,n){this._context.lineTo(n,t)},bezierCurveTo:function(t,n,e,r,i,o){this._context.bezierCurveTo(n,t,r,e,o,i)}},Bc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=[],this._y=[]},lineEnd:function(){var t=this._x,n=this._y,e=t.length;if(e)if(this._line?this._context.lineTo(t[0],n[0]):this._context.moveTo(t[0],n[0]),2===e)this._context.lineTo(t[1],n[1]);else for(var r=jc(t),i=jc(n),o=0,u=1;u=0&&(this._t=1-this._t,this._line=1-this._line)},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:if(this._t<=0)this._context.lineTo(this._x,n),this._context.lineTo(t,n);else{var e=this._x*(1-this._t)+t*this._t;this._context.lineTo(e,this._y),this._context.lineTo(e,n)}}this._x=t,this._y=n}};var lw=function(t){return new Hc(t,.5)},hw=Array.prototype.slice,pw=function(t,n){if((r=t.length)>1)for(var e,r,i=1,o=t[n[0]],u=o.length;i=0;)e[n]=n;return e},vw=function(){function t(t){var o,u,a=n.apply(this,arguments),c=t.length,s=a.length,f=new Array(s);for(o=0;o0){for(var e,r,i,o=0,u=t[0].length;o0){for(var e,r=0,i=t[n[0]],o=i.length;r0&&(r=(e=t[n[0]]).length)>0){for(var e,r,i,o=0,u=1;u=a)return null;var c=t-i.site[0],s=n-i.site[1],f=c*c+s*s;do{i=o.cells[r=u],u=null,i.halfedges.forEach(function(e){var r=o.edges[e],a=r.left;if(a!==i.site&&a||(a=r.right)){var c=t-a[0],s=n-a[1],l=c*c+s*s;le?(e+r)/2:Math.min(0,e)||Math.max(0,r),o>i?(i+o)/2:Math.min(0,i)||Math.max(0,o))}function o(t){return[(+t[0][0]+ +t[1][0])/2,(+t[0][1]+ +t[1][1])/2]}function u(t,n,e){t.on("start.zoom",function(){a(this,arguments).start()}).on("interrupt.zoom end.zoom",function(){a(this,arguments).end()}).tween("zoom",function(){var t=this,r=arguments,i=a(t,r),u=m.apply(t,r),c=e||o(u),s=Math.max(u[1][0]-u[0][0],u[1][1]-u[0][1]),f=t.__zoom,l="function"==typeof n?n.apply(t,r):n,h=k(f.invert(c).concat(s/f.k),l.invert(c).concat(s/l.k));return function(t){if(1===t)t=l;else{var n=h(t),e=s/n[2];t=new Es(e,c[0]-n[0]*e,c[1]-n[1]*e)}i.zoom(null,t)}})}function a(t,n){for(var e,r=0,i=E.length;r0?wl(this).transition().duration(N).call(u,f,a):wl(this).call(n.transform,f)}}function h(){if(y.apply(this,arguments)){var n,e,r,i,o=a(this,arguments),u=t.event.changedTouches,c=u.length;for(Cs(),e=0;e b ? 1 : a >= b ? 0 : NaN; @@ -58,11 +58,24 @@ function pair(a, b) { return [a, b]; } -var cross = function(a, b, f) { - var na = a.length, nb = b.length, c = new Array(na * nb), ia, ib, ic, va; - if (f == null) f = pair; - for (ia = ic = 0; ia < na; ++ia) for (va = a[ia], ib = 0; ib < nb; ++ib, ++ic) c[ic] = f(va, b[ib]); - return c; +var cross = function(values0, values1, reduce) { + var n0 = values0.length, + n1 = values1.length, + values = new Array(n0 * n1), + i0, + i1, + i, + value0; + + if (reduce == null) reduce = pair; + + for (i0 = i = 0; i0 < n0; ++i0) { + for (value0 = values0[i0], i1 = 0; i1 < n1; ++i1, ++i) { + values[i] = reduce(value0, values1[i1]); + } + } + + return values; }; var descending = function(a, b) { @@ -73,36 +86,36 @@ var number = function(x) { return x === null ? NaN : +x; }; -var variance = function(array, f) { - var n = array.length, +var variance = function(values, valueof) { + var n = values.length, m = 0, - a, - d, - s = 0, i = -1, - j = 0; + mean = 0, + value, + delta, + sum = 0; - if (f == null) { + if (valueof == null) { while (++i < n) { - if (!isNaN(a = number(array[i]))) { - d = a - m; - m += d / ++j; - s += d * (a - m); + if (!isNaN(value = number(values[i]))) { + delta = value - mean; + mean += delta / ++m; + sum += delta * (value - mean); } } } else { while (++i < n) { - if (!isNaN(a = number(f(array[i], i, array)))) { - d = a - m; - m += d / ++j; - s += d * (a - m); + if (!isNaN(value = number(valueof(values[i], i, values)))) { + delta = value - mean; + mean += delta / ++m; + sum += delta * (value - mean); } } } - if (j > 1) return s / (j - 1); + if (m > 1) return sum / (m - 1); }; var deviation = function(array, f) { @@ -110,30 +123,42 @@ var deviation = function(array, f) { return v ? Math.sqrt(v) : v; }; -var extent = function(array, f) { - var i = -1, - n = array.length, - a, - b, - c; - - if (f == null) { - while (++i < n) if ((b = array[i]) != null && b >= b) { a = c = b; break; } - while (++i < n) if ((b = array[i]) != null) { - if (a > b) a = b; - if (c < b) c = b; +var extent = function(values, valueof) { + var n = values.length, + i = -1, + value, + min, + max; + + if (valueof == null) { + while (++i < n) { // Find the first comparable value. + if ((value = values[i]) != null && value >= value) { + min = max = value; + while (++i < n) { // Compare the remaining values. + if ((value = values[i]) != null) { + if (min > value) min = value; + if (max < value) max = value; + } + } + } } } else { - while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = c = b; break; } - while (++i < n) if ((b = f(array[i], i, array)) != null) { - if (a > b) a = b; - if (c < b) c = b; + while (++i < n) { // Find the first comparable value. + if ((value = valueof(values[i], i, values)) != null && value >= value) { + min = max = value; + while (++i < n) { // Compare the remaining values. + if ((value = valueof(values[i], i, values)) != null) { + if (min > value) min = value; + if (max < value) max = value; + } + } + } } } - return [a, c]; + return [min, max]; }; var array = Array.prototype; @@ -170,14 +195,42 @@ var e5 = Math.sqrt(10); var e2 = Math.sqrt(2); var ticks = function(start, stop, count) { - var step = tickStep(start, stop, count); - return sequence( - Math.ceil(start / step) * step, - Math.floor(stop / step) * step + step / 2, // inclusive - step - ); + var reverse = stop < start, + i = -1, + n, + ticks, + step; + + if (reverse) n = start, start = stop, stop = n; + + if ((step = tickIncrement(start, stop, count)) === 0 || !isFinite(step)) return []; + + if (step > 0) { + start = Math.ceil(start / step); + stop = Math.floor(stop / step); + ticks = new Array(n = Math.ceil(stop - start + 1)); + while (++i < n) ticks[i] = (start + i) * step; + } else { + start = Math.floor(start * step); + stop = Math.ceil(stop * step); + ticks = new Array(n = Math.ceil(start - stop + 1)); + while (++i < n) ticks[i] = (start - i) / step; + } + + if (reverse) ticks.reverse(); + + return ticks; }; +function tickIncrement(start, stop, count) { + var step = (stop - start) / Math.max(0, count), + power = Math.floor(Math.log(step) / Math.LN10), + error = step / Math.pow(10, power); + return power >= 0 + ? (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1) * Math.pow(10, power) + : -Math.pow(10, -power) / (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1); +} + function tickStep(start, stop, count) { var step0 = Math.abs(stop - start) / Math.max(0, count), step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)), @@ -213,12 +266,15 @@ var histogram = function() { tz = threshold(values, x0, x1); // Convert number of thresholds into uniform thresholds. - if (!Array.isArray(tz)) tz = ticks(x0, x1, tz); + if (!Array.isArray(tz)) { + tz = tickStep(x0, x1, tz); + tz = sequence(Math.ceil(x0 / tz) * tz, Math.floor(x1 / tz) * tz, tz); // exclusive + } // Remove any thresholds outside the domain. var m = tz.length; while (tz[0] <= x0) tz.shift(), --m; - while (tz[m - 1] >= x1) tz.pop(), --m; + while (tz[m - 1] > x1) tz.pop(), --m; var bins = new Array(m + 1), bin; @@ -256,17 +312,17 @@ var histogram = function() { return histogram; }; -var threshold = function(array, p, f) { - if (f == null) f = number; - if (!(n = array.length)) return; - if ((p = +p) <= 0 || n < 2) return +f(array[0], 0, array); - if (p >= 1) return +f(array[n - 1], n - 1, array); +var threshold = function(values, p, valueof) { + if (valueof == null) valueof = number; + if (!(n = values.length)) return; + if ((p = +p) <= 0 || n < 2) return +valueof(values[0], 0, values); + if (p >= 1) return +valueof(values[n - 1], n - 1, values); var n, - h = (n - 1) * p, - i = Math.floor(h), - a = +f(array[i], i, array), - b = +f(array[i + 1], i + 1, array); - return a + (b - a) * (h - i); + i = (n - 1) * p, + i0 = Math.floor(i), + value0 = +valueof(values[i0], i0, values), + value1 = +valueof(values[i0 + 1], i0 + 1, values); + return value0 + (value1 - value0) * (i - i0); }; var freedmanDiaconis = function(values, min, max) { @@ -278,55 +334,85 @@ var scott = function(values, min, max) { return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3))); }; -var max = function(array, f) { - var i = -1, - n = array.length, - a, - b; - - if (f == null) { - while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = array[i]) != null && b > a) a = b; +var max = function(values, valueof) { + var n = values.length, + i = -1, + value, + max; + + if (valueof == null) { + while (++i < n) { // Find the first comparable value. + if ((value = values[i]) != null && value >= value) { + max = value; + while (++i < n) { // Compare the remaining values. + if ((value = values[i]) != null && value > max) { + max = value; + } + } + } + } } else { - while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = f(array[i], i, array)) != null && b > a) a = b; + while (++i < n) { // Find the first comparable value. + if ((value = valueof(values[i], i, values)) != null && value >= value) { + max = value; + while (++i < n) { // Compare the remaining values. + if ((value = valueof(values[i], i, values)) != null && value > max) { + max = value; + } + } + } + } } - return a; + return max; }; -var mean = function(array, f) { - var s = 0, - n = array.length, - a, +var mean = function(values, valueof) { + var n = values.length, + m = n, i = -1, - j = n; + value, + sum = 0; - if (f == null) { - while (++i < n) if (!isNaN(a = number(array[i]))) s += a; else --j; + if (valueof == null) { + while (++i < n) { + if (!isNaN(value = number(values[i]))) sum += value; + else --m; + } } else { - while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) s += a; else --j; + while (++i < n) { + if (!isNaN(value = number(valueof(values[i], i, values)))) sum += value; + else --m; + } } - if (j) return s / j; + if (m) return sum / m; }; -var median = function(array, f) { - var numbers = [], - n = array.length, - a, - i = -1; +var median = function(values, valueof) { + var n = values.length, + i = -1, + value, + numbers = []; - if (f == null) { - while (++i < n) if (!isNaN(a = number(array[i]))) numbers.push(a); + if (valueof == null) { + while (++i < n) { + if (!isNaN(value = number(values[i]))) { + numbers.push(value); + } + } } else { - while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) numbers.push(a); + while (++i < n) { + if (!isNaN(value = number(valueof(values[i], i, values)))) { + numbers.push(value); + } + } } return threshold(numbers.sort(ascending), 0.5); @@ -354,23 +440,39 @@ var merge = function(arrays) { return merged; }; -var min = function(array, f) { - var i = -1, - n = array.length, - a, - b; - - if (f == null) { - while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = array[i]) != null && a > b) a = b; +var min = function(values, valueof) { + var n = values.length, + i = -1, + value, + min; + + if (valueof == null) { + while (++i < n) { // Find the first comparable value. + if ((value = values[i]) != null && value >= value) { + min = value; + while (++i < n) { // Compare the remaining values. + if ((value = values[i]) != null && min > value) { + min = value; + } + } + } + } } else { - while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = f(array[i], i, array)) != null && a > b) a = b; + while (++i < n) { // Find the first comparable value. + if ((value = valueof(values[i], i, values)) != null && value >= value) { + min = value; + while (++i < n) { // Compare the remaining values. + if ((value = valueof(values[i], i, values)) != null && min > value) { + min = value; + } + } + } + } } - return a; + return min; }; var permute = function(array, indexes) { @@ -379,17 +481,21 @@ var permute = function(array, indexes) { return permutes; }; -var scan = function(array, compare) { - if (!(n = array.length)) return; - var i = 0, - n, +var scan = function(values, compare) { + if (!(n = values.length)) return; + var n, + i = 0, j = 0, xi, - xj = array[j]; + xj = values[j]; - if (!compare) compare = ascending; + if (compare == null) compare = ascending; - while (++i < n) if (compare(xi = array[i], xj) < 0 || compare(xj, xj) !== 0) xj = xi, j = i; + while (++i < n) { + if (compare(xi = values[i], xj) < 0 || compare(xj, xj) !== 0) { + xj = xi, j = i; + } + } if (compare(xj, xj) === 0) return j; }; @@ -409,21 +515,25 @@ var shuffle = function(array, i0, i1) { return array; }; -var sum = function(array, f) { - var s = 0, - n = array.length, - a, - i = -1; +var sum = function(values, valueof) { + var n = values.length, + i = -1, + value, + sum = 0; - if (f == null) { - while (++i < n) if (a = +array[i]) s += a; // Note: zero and null are equivalent. + if (valueof == null) { + while (++i < n) { + if (value = +values[i]) sum += value; // Note: zero and null are equivalent. + } } else { - while (++i < n) if (a = +f(array[i], i, array)) s += a; + while (++i < n) { + if (value = +valueof(values[i], i, values)) sum += value; + } } - return s; + return sum; }; var transpose = function(matrix) { @@ -6405,7 +6515,8 @@ var formatLocale = function(locale) { var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, currency = locale.currency, decimal = locale.decimal, - numerals = locale.numerals ? formatNumerals(locale.numerals) : identity$3; + numerals = locale.numerals ? formatNumerals(locale.numerals) : identity$3, + percent = locale.percent || "%"; function newFormat(specifier) { specifier = formatSpecifier(specifier); @@ -6423,7 +6534,7 @@ var formatLocale = function(locale) { // Compute the prefix and suffix. // For SI-prefix, the suffix is lazily computed. var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", - suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? "%" : ""; + suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? percent : ""; // What format function should we use? // Is this an integer type? @@ -16203,6 +16314,7 @@ exports.scan = scan; exports.shuffle = shuffle; exports.sum = sum; exports.ticks = ticks; +exports.tickIncrement = tickIncrement; exports.tickStep = tickStep; exports.transpose = transpose; exports.variance = variance; diff --git a/app/assets/javascripts/d3.v4.min.js b/app/assets/javascripts/d3.v4.min.js index 6ba6b41..4224fcf 100644 --- a/app/assets/javascripts/d3.v4.min.js +++ b/app/assets/javascripts/d3.v4.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.7.4. 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t(+n)},e}(0);Nc.prototype={areaStart:Qb,areaEnd:Qb,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Tc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var iw=function t(n){function e(t){return new Nc(t,n)}return e.tension=function(n){return t(+n)},e}(0);kc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:Tc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var ow=function t(n){function e(t){return new kc(t,n)}return e.tension=function(n){return t(+n)},e}(0);Ac.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN, 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t(+n)},e}(.5);Cc.prototype={areaStart:Qb,areaEnd:Qb,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Ec(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var aw=function t(n){function e(t){return n?new Cc(t,n):new Nc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);zc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:Ec(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var cw=function t(n){function e(t){return n?new zc(t,n):new kc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);Pc.prototype={areaStart:Qb,areaEnd:Qb,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}};var sw=function(t){return new Pc(t)};Dc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:Uc(this,this._t0,qc(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 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0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:if(this._t<=0)this._context.lineTo(this._x,n),this._context.lineTo(t,n);else{var e=this._x*(1-this._t)+t*this._t;this._context.lineTo(e,this._y),this._context.lineTo(e,n)}}this._x=t,this._y=n}};var lw=function(t){return new Hc(t,.5)},hw=Array.prototype.slice,pw=function(t,n){if((r=t.length)>1)for(var e,r,i=1,o=t[n[0]],u=o.length;i=0;)e[n]=n;return e},vw=function(){function t(t){var o,u,a=n.apply(this,arguments),c=t.length,s=a.length,f=new Array(s);for(o=0;o0){for(var e,r,i,o=0,u=t[0].length;o0){for(var e,r=0,i=t[n[0]],o=i.length;r0&&(r=(e=t[n[0]]).length)>0){for(var e,r,i,o=0,u=1;u=a)return null;var c=t-i.site[0],s=n-i.site[1],f=c*c+s*s;do{i=o.cells[r=u],u=null,i.halfedges.forEach(function(e){var r=o.edges[e],a=r.left;if(a!==i.site&&a||(a=r.right)){var c=t-a[0],s=n-a[1],l=c*c+s*s;le?(e+r)/2:Math.min(0,e)||Math.max(0,r),o>i?(i+o)/2:Math.min(0,i)||Math.max(0,o))}function o(t){return[(+t[0][0]+ +t[1][0])/2,(+t[0][1]+ +t[1][1])/2]}function u(t,n,e){t.on("start.zoom",function(){a(this,arguments).start()}).on("interrupt.zoom end.zoom",function(){a(this,arguments).end()}).tween("zoom",function(){var t=this,r=arguments,i=a(t,r),u=m.apply(t,r),c=e||o(u),s=Math.max(u[1][0]-u[0][0],u[1][1]-u[0][1]),f=t.__zoom,l="function"==typeof n?n.apply(t,r):n,h=k(f.invert(c).concat(s/f.k),l.invert(c).concat(s/l.k));return function(t){if(1===t)t=l;else{var n=h(t),e=s/n[2];t=new Es(e,c[0]-n[0]*e,c[1]-n[1]*e)}i.zoom(null,t)}})}function a(t,n){for(var e,r=0,i=E.length;r0?wl(this).transition().duration(N).call(u,f,a):wl(this).call(n.transform,f)}}function h(){if(y.apply(this,arguments)){var n,e,r,i,o=a(this,arguments),u=t.event.changedTouches,c=u.length;for(Cs(),e=0;e Date: Mon, 17 Apr 2017 12:14:40 +0200 Subject: [PATCH 22/42] Update to 4.8.0 --- app/assets/javascripts/d3.js | 346 ++++++++++++++++++---------- app/assets/javascripts/d3.min.js | 16 +- app/assets/javascripts/d3.v4.js | 346 ++++++++++++++++++---------- app/assets/javascripts/d3.v4.min.js | 16 +- 4 files changed, 474 insertions(+), 250 deletions(-) diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index 35960aa..31e0698 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,11 +1,11 @@ -// https://d3js.org Version 4.7.4. Copyright 2017 Mike Bostock. +// https://d3js.org Version 4.8.0. Copyright 2017 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "4.7.4"; +var version = "4.8.0"; var ascending = function(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -58,11 +58,24 @@ function pair(a, b) { return [a, b]; } -var cross = function(a, b, f) { - var na = a.length, nb = b.length, c = new Array(na * nb), ia, ib, ic, va; - if (f == null) f = pair; - for (ia = ic = 0; ia < na; ++ia) for (va = a[ia], ib = 0; ib < nb; ++ib, ++ic) c[ic] = f(va, b[ib]); - return c; +var cross = function(values0, values1, reduce) { + var n0 = values0.length, + n1 = values1.length, + values = new Array(n0 * n1), + i0, + i1, + i, + value0; + + if (reduce == null) reduce = pair; + + for (i0 = i = 0; i0 < n0; ++i0) { + for (value0 = values0[i0], i1 = 0; i1 < n1; ++i1, ++i) { + values[i] = reduce(value0, values1[i1]); + } + } + + return values; }; var descending = function(a, b) { @@ -73,36 +86,36 @@ var number = function(x) { return x === null ? NaN : +x; }; -var variance = function(array, f) { - var n = array.length, +var variance = function(values, valueof) { + var n = values.length, m = 0, - a, - d, - s = 0, i = -1, - j = 0; + mean = 0, + value, + delta, + sum = 0; - if (f == null) { + if (valueof == null) { while (++i < n) { - if (!isNaN(a = number(array[i]))) { - d = a - m; - m += d / ++j; - s += d * (a - m); + if (!isNaN(value = number(values[i]))) { + delta = value - mean; + mean += delta / ++m; + sum += delta * (value - mean); } } } else { while (++i < n) { - if (!isNaN(a = number(f(array[i], i, array)))) { - d = a - m; - m += d / ++j; - s += d * (a - m); + if (!isNaN(value = number(valueof(values[i], i, values)))) { + delta = value - mean; + mean += delta / ++m; + sum += delta * (value - mean); } } } - if (j > 1) return s / (j - 1); + if (m > 1) return sum / (m - 1); }; var deviation = function(array, f) { @@ -110,30 +123,42 @@ var deviation = function(array, f) { return v ? Math.sqrt(v) : v; }; -var extent = function(array, f) { - var i = -1, - n = array.length, - a, - b, - c; - - if (f == null) { - while (++i < n) if ((b = array[i]) != null && b >= b) { a = c = b; break; } - while (++i < n) if ((b = array[i]) != null) { - if (a > b) a = b; - if (c < b) c = b; +var extent = function(values, valueof) { + var n = values.length, + i = -1, + value, + min, + max; + + if (valueof == null) { + while (++i < n) { // Find the first comparable value. + if ((value = values[i]) != null && value >= value) { + min = max = value; + while (++i < n) { // Compare the remaining values. + if ((value = values[i]) != null) { + if (min > value) min = value; + if (max < value) max = value; + } + } + } } } else { - while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = c = b; break; } - while (++i < n) if ((b = f(array[i], i, array)) != null) { - if (a > b) a = b; - if (c < b) c = b; + while (++i < n) { // Find the first comparable value. + if ((value = valueof(values[i], i, values)) != null && value >= value) { + min = max = value; + while (++i < n) { // Compare the remaining values. + if ((value = valueof(values[i], i, values)) != null) { + if (min > value) min = value; + if (max < value) max = value; + } + } + } } } - return [a, c]; + return [min, max]; }; var array = Array.prototype; @@ -170,14 +195,42 @@ var e5 = Math.sqrt(10); var e2 = Math.sqrt(2); var ticks = function(start, stop, count) { - var step = tickStep(start, stop, count); - return sequence( - Math.ceil(start / step) * step, - Math.floor(stop / step) * step + step / 2, // inclusive - step - ); + var reverse = stop < start, + i = -1, + n, + ticks, + step; + + if (reverse) n = start, start = stop, stop = n; + + if ((step = tickIncrement(start, stop, count)) === 0 || !isFinite(step)) return []; + + if (step > 0) { + start = Math.ceil(start / step); + stop = Math.floor(stop / step); + ticks = new Array(n = Math.ceil(stop - start + 1)); + while (++i < n) ticks[i] = (start + i) * step; + } else { + start = Math.floor(start * step); + stop = Math.ceil(stop * step); + ticks = new Array(n = Math.ceil(start - stop + 1)); + while (++i < n) ticks[i] = (start - i) / step; + } + + if (reverse) ticks.reverse(); + + return ticks; }; +function tickIncrement(start, stop, count) { + var step = (stop - start) / Math.max(0, count), + power = Math.floor(Math.log(step) / Math.LN10), + error = step / Math.pow(10, power); + return power >= 0 + ? (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1) * Math.pow(10, power) + : -Math.pow(10, -power) / (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1); +} + function tickStep(start, stop, count) { var step0 = Math.abs(stop - start) / Math.max(0, count), step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)), @@ -213,12 +266,15 @@ var histogram = function() { tz = threshold(values, x0, x1); // Convert number of thresholds into uniform thresholds. - if (!Array.isArray(tz)) tz = ticks(x0, x1, tz); + if (!Array.isArray(tz)) { + tz = tickStep(x0, x1, tz); + tz = sequence(Math.ceil(x0 / tz) * tz, Math.floor(x1 / tz) * tz, tz); // exclusive + } // Remove any thresholds outside the domain. var m = tz.length; while (tz[0] <= x0) tz.shift(), --m; - while (tz[m - 1] >= x1) tz.pop(), --m; + while (tz[m - 1] > x1) tz.pop(), --m; var bins = new Array(m + 1), bin; @@ -256,17 +312,17 @@ var histogram = function() { return histogram; }; -var threshold = function(array, p, f) { - if (f == null) f = number; - if (!(n = array.length)) return; - if ((p = +p) <= 0 || n < 2) return +f(array[0], 0, array); - if (p >= 1) return +f(array[n - 1], n - 1, array); +var threshold = function(values, p, valueof) { + if (valueof == null) valueof = number; + if (!(n = values.length)) return; + if ((p = +p) <= 0 || n < 2) return +valueof(values[0], 0, values); + if (p >= 1) return +valueof(values[n - 1], n - 1, values); var n, - h = (n - 1) * p, - i = Math.floor(h), - a = +f(array[i], i, array), - b = +f(array[i + 1], i + 1, array); - return a + (b - a) * (h - i); + i = (n - 1) * p, + i0 = Math.floor(i), + value0 = +valueof(values[i0], i0, values), + value1 = +valueof(values[i0 + 1], i0 + 1, values); + return value0 + (value1 - value0) * (i - i0); }; var freedmanDiaconis = function(values, min, max) { @@ -278,55 +334,85 @@ var scott = function(values, min, max) { return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3))); }; -var max = function(array, f) { - var i = -1, - n = array.length, - a, - b; - - if (f == null) { - while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = array[i]) != null && b > a) a = b; +var max = function(values, valueof) { + var n = values.length, + i = -1, + value, + max; + + if (valueof == null) { + while (++i < n) { // Find the first comparable value. + if ((value = values[i]) != null && value >= value) { + max = value; + while (++i < n) { // Compare the remaining values. + if ((value = values[i]) != null && value > max) { + max = value; + } + } + } + } } else { - while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = f(array[i], i, array)) != null && b > a) a = b; + while (++i < n) { // Find the first comparable value. + if ((value = valueof(values[i], i, values)) != null && value >= value) { + max = value; + while (++i < n) { // Compare the remaining values. + if ((value = valueof(values[i], i, values)) != null && value > max) { + max = value; + } + } + } + } } - return a; + return max; }; -var mean = function(array, f) { - var s = 0, - n = array.length, - a, +var mean = function(values, valueof) { + var n = values.length, + m = n, i = -1, - j = n; + value, + sum = 0; - if (f == null) { - while (++i < n) if (!isNaN(a = number(array[i]))) s += a; else --j; + if (valueof == null) { + while (++i < n) { + if (!isNaN(value = number(values[i]))) sum += value; + else --m; + } } else { - while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) s += a; else --j; + while (++i < n) { + if (!isNaN(value = number(valueof(values[i], i, values)))) sum += value; + else --m; + } } - if (j) return s / j; + if (m) return sum / m; }; -var median = function(array, f) { - var numbers = [], - n = array.length, - a, - i = -1; +var median = function(values, valueof) { + var n = values.length, + i = -1, + value, + numbers = []; - if (f == null) { - while (++i < n) if (!isNaN(a = number(array[i]))) numbers.push(a); + if (valueof == null) { + while (++i < n) { + if (!isNaN(value = number(values[i]))) { + numbers.push(value); + } + } } else { - while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) numbers.push(a); + while (++i < n) { + if (!isNaN(value = number(valueof(values[i], i, values)))) { + numbers.push(value); + } + } } return threshold(numbers.sort(ascending), 0.5); @@ -354,23 +440,39 @@ var merge = function(arrays) { return merged; }; -var min = function(array, f) { - var i = -1, - n = array.length, - a, - b; - - if (f == null) { - while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = array[i]) != null && a > b) a = b; +var min = function(values, valueof) { + var n = values.length, + i = -1, + value, + min; + + if (valueof == null) { + while (++i < n) { // Find the first comparable value. + if ((value = values[i]) != null && value >= value) { + min = value; + while (++i < n) { // Compare the remaining values. + if ((value = values[i]) != null && min > value) { + min = value; + } + } + } + } } else { - while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = f(array[i], i, array)) != null && a > b) a = b; + while (++i < n) { // Find the first comparable value. + if ((value = valueof(values[i], i, values)) != null && value >= value) { + min = value; + while (++i < n) { // Compare the remaining values. + if ((value = valueof(values[i], i, values)) != null && min > value) { + min = value; + } + } + } + } } - return a; + return min; }; var permute = function(array, indexes) { @@ -379,17 +481,21 @@ var permute = function(array, indexes) { return permutes; }; -var scan = function(array, compare) { - if (!(n = array.length)) return; - var i = 0, - n, +var scan = function(values, compare) { + if (!(n = values.length)) return; + var n, + i = 0, j = 0, xi, - xj = array[j]; + xj = values[j]; - if (!compare) compare = ascending; + if (compare == null) compare = ascending; - while (++i < n) if (compare(xi = array[i], xj) < 0 || compare(xj, xj) !== 0) xj = xi, j = i; + while (++i < n) { + if (compare(xi = values[i], xj) < 0 || compare(xj, xj) !== 0) { + xj = xi, j = i; + } + } if (compare(xj, xj) === 0) return j; }; @@ -409,21 +515,25 @@ var shuffle = function(array, i0, i1) { return array; }; -var sum = function(array, f) { - var s = 0, - n = array.length, - a, - i = -1; +var sum = function(values, valueof) { + var n = values.length, + i = -1, + value, + sum = 0; - if (f == null) { - while (++i < n) if (a = +array[i]) s += a; // Note: zero and null are equivalent. + if (valueof == null) { + while (++i < n) { + if (value = +values[i]) sum += value; // Note: zero and null are equivalent. + } } else { - while (++i < n) if (a = +f(array[i], i, array)) s += a; + while (++i < n) { + if (value = +valueof(values[i], i, values)) sum += value; + } } - return s; + return sum; }; var transpose = function(matrix) { @@ -6405,7 +6515,8 @@ var formatLocale = function(locale) { var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, currency = locale.currency, decimal = locale.decimal, - numerals = locale.numerals ? formatNumerals(locale.numerals) : identity$3; + numerals = locale.numerals ? formatNumerals(locale.numerals) : identity$3, + percent = locale.percent || "%"; function newFormat(specifier) { specifier = formatSpecifier(specifier); @@ -6423,7 +6534,7 @@ var formatLocale = function(locale) { // Compute the prefix and suffix. // For SI-prefix, the suffix is lazily computed. var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", - suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? "%" : ""; + suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? percent : ""; // What format function should we use? // Is this an integer type? @@ -16203,6 +16314,7 @@ exports.scan = scan; exports.shuffle = shuffle; exports.sum = sum; exports.ticks = ticks; +exports.tickIncrement = tickIncrement; exports.tickStep = tickStep; exports.transpose = transpose; exports.variance = variance; diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index 6ba6b41..4224fcf 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.7.4. 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2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:mc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};var Kb=function(t){return new xc(t)};bc.prototype={areaStart:Qb,areaEnd:Qb,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:mc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};var tw=function(t){return new bc(t)};wc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:mc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};var nw=function(t){return new wc(t)};Mc.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var r,i=t[0],o=n[0],u=t[e]-i,a=n[e]-o,c=-1;++c<=e;)r=c/e,this._basis.point(this._beta*t[c]+(1-this._beta)*(i+r*u),this._beta*n[c]+(1-this._beta)*(o+r*a));this._x=this._y=null,this._basis.lineEnd()},point:function(t,n){this._x.push(+t),this._y.push(+n)}};var ew=function t(n){function e(t){return 1===n?new xc(t):new Mc(t,n)}return e.beta=function(n){return t(+n)},e}(.85);Sc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:Tc(this,this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2,this._x1=t,this._y1=n;break;case 2:this._point=3;default:Tc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var rw=function t(n){function e(t){return new Sc(t,n)}return e.tension=function(n){return t(+n)},e}(0);Nc.prototype={areaStart:Qb,areaEnd:Qb,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Tc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var iw=function t(n){function e(t){return new Nc(t,n)}return e.tension=function(n){return t(+n)},e}(0);kc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:Tc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var ow=function t(n){function e(t){return new kc(t,n)}return e.tension=function(n){return t(+n)},e}(0);Ac.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN, +this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3;default:Ec(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var uw=function t(n){function e(t){return n?new Ac(t,n):new Sc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);Cc.prototype={areaStart:Qb,areaEnd:Qb,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Ec(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var aw=function t(n){function e(t){return n?new Cc(t,n):new Nc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);zc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:Ec(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var cw=function t(n){function e(t){return n?new zc(t,n):new kc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);Pc.prototype={areaStart:Qb,areaEnd:Qb,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}};var sw=function(t){return new Pc(t)};Dc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:Uc(this,this._t0,qc(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,Uc(this,qc(this,e=Rc(this,t,n)),e);break;default:Uc(this,this._t0,e=Rc(this,t,n))}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n,this._t0=e}}},(Oc.prototype=Object.create(Dc.prototype)).point=function(t,n){Dc.prototype.point.call(this,n,t)},Fc.prototype={moveTo:function(t,n){this._context.moveTo(n,t)},closePath:function(){this._context.closePath()},lineTo:function(t,n){this._context.lineTo(n,t)},bezierCurveTo:function(t,n,e,r,i,o){this._context.bezierCurveTo(n,t,r,e,o,i)}},Bc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=[],this._y=[]},lineEnd:function(){var t=this._x,n=this._y,e=t.length;if(e)if(this._line?this._context.lineTo(t[0],n[0]):this._context.moveTo(t[0],n[0]),2===e)this._context.lineTo(t[1],n[1]);else for(var r=jc(t),i=jc(n),o=0,u=1;u=0&&(this._t=1-this._t,this._line=1-this._line)},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:if(this._t<=0)this._context.lineTo(this._x,n),this._context.lineTo(t,n);else{var e=this._x*(1-this._t)+t*this._t;this._context.lineTo(e,this._y),this._context.lineTo(e,n)}}this._x=t,this._y=n}};var lw=function(t){return new Hc(t,.5)},hw=Array.prototype.slice,pw=function(t,n){if((r=t.length)>1)for(var e,r,i=1,o=t[n[0]],u=o.length;i=0;)e[n]=n;return e},vw=function(){function t(t){var o,u,a=n.apply(this,arguments),c=t.length,s=a.length,f=new Array(s);for(o=0;o0){for(var e,r,i,o=0,u=t[0].length;o0){for(var e,r=0,i=t[n[0]],o=i.length;r0&&(r=(e=t[n[0]]).length)>0){for(var e,r,i,o=0,u=1;u=a)return null;var c=t-i.site[0],s=n-i.site[1],f=c*c+s*s;do{i=o.cells[r=u],u=null,i.halfedges.forEach(function(e){var r=o.edges[e],a=r.left;if(a!==i.site&&a||(a=r.right)){var c=t-a[0],s=n-a[1],l=c*c+s*s;le?(e+r)/2:Math.min(0,e)||Math.max(0,r),o>i?(i+o)/2:Math.min(0,i)||Math.max(0,o))}function o(t){return[(+t[0][0]+ +t[1][0])/2,(+t[0][1]+ +t[1][1])/2]}function u(t,n,e){t.on("start.zoom",function(){a(this,arguments).start()}).on("interrupt.zoom end.zoom",function(){a(this,arguments).end()}).tween("zoom",function(){var t=this,r=arguments,i=a(t,r),u=m.apply(t,r),c=e||o(u),s=Math.max(u[1][0]-u[0][0],u[1][1]-u[0][1]),f=t.__zoom,l="function"==typeof n?n.apply(t,r):n,h=k(f.invert(c).concat(s/f.k),l.invert(c).concat(s/l.k));return function(t){if(1===t)t=l;else{var n=h(t),e=s/n[2];t=new Es(e,c[0]-n[0]*e,c[1]-n[1]*e)}i.zoom(null,t)}})}function a(t,n){for(var e,r=0,i=E.length;r0?wl(this).transition().duration(N).call(u,f,a):wl(this).call(n.transform,f)}}function h(){if(y.apply(this,arguments)){var n,e,r,i,o=a(this,arguments),u=t.event.changedTouches,c=u.length;for(Cs(),e=0;e b ? 1 : a >= b ? 0 : NaN; @@ -58,11 +58,24 @@ function pair(a, b) { return [a, b]; } -var cross = function(a, b, f) { - var na = a.length, nb = b.length, c = new Array(na * nb), ia, ib, ic, va; - if (f == null) f = pair; - for (ia = ic = 0; ia < na; ++ia) for (va = a[ia], ib = 0; ib < nb; ++ib, ++ic) c[ic] = f(va, b[ib]); - return c; +var cross = function(values0, values1, reduce) { + var n0 = values0.length, + n1 = values1.length, + values = new Array(n0 * n1), + i0, + i1, + i, + value0; + + if (reduce == null) reduce = pair; + + for (i0 = i = 0; i0 < n0; ++i0) { + for (value0 = values0[i0], i1 = 0; i1 < n1; ++i1, ++i) { + values[i] = reduce(value0, values1[i1]); + } + } + + return values; }; var descending = function(a, b) { @@ -73,36 +86,36 @@ var number = function(x) { return x === null ? NaN : +x; }; -var variance = function(array, f) { - var n = array.length, +var variance = function(values, valueof) { + var n = values.length, m = 0, - a, - d, - s = 0, i = -1, - j = 0; + mean = 0, + value, + delta, + sum = 0; - if (f == null) { + if (valueof == null) { while (++i < n) { - if (!isNaN(a = number(array[i]))) { - d = a - m; - m += d / ++j; - s += d * (a - m); + if (!isNaN(value = number(values[i]))) { + delta = value - mean; + mean += delta / ++m; + sum += delta * (value - mean); } } } else { while (++i < n) { - if (!isNaN(a = number(f(array[i], i, array)))) { - d = a - m; - m += d / ++j; - s += d * (a - m); + if (!isNaN(value = number(valueof(values[i], i, values)))) { + delta = value - mean; + mean += delta / ++m; + sum += delta * (value - mean); } } } - if (j > 1) return s / (j - 1); + if (m > 1) return sum / (m - 1); }; var deviation = function(array, f) { @@ -110,30 +123,42 @@ var deviation = function(array, f) { return v ? Math.sqrt(v) : v; }; -var extent = function(array, f) { - var i = -1, - n = array.length, - a, - b, - c; - - if (f == null) { - while (++i < n) if ((b = array[i]) != null && b >= b) { a = c = b; break; } - while (++i < n) if ((b = array[i]) != null) { - if (a > b) a = b; - if (c < b) c = b; +var extent = function(values, valueof) { + var n = values.length, + i = -1, + value, + min, + max; + + if (valueof == null) { + while (++i < n) { // Find the first comparable value. + if ((value = values[i]) != null && value >= value) { + min = max = value; + while (++i < n) { // Compare the remaining values. + if ((value = values[i]) != null) { + if (min > value) min = value; + if (max < value) max = value; + } + } + } } } else { - while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = c = b; break; } - while (++i < n) if ((b = f(array[i], i, array)) != null) { - if (a > b) a = b; - if (c < b) c = b; + while (++i < n) { // Find the first comparable value. + if ((value = valueof(values[i], i, values)) != null && value >= value) { + min = max = value; + while (++i < n) { // Compare the remaining values. + if ((value = valueof(values[i], i, values)) != null) { + if (min > value) min = value; + if (max < value) max = value; + } + } + } } } - return [a, c]; + return [min, max]; }; var array = Array.prototype; @@ -170,14 +195,42 @@ var e5 = Math.sqrt(10); var e2 = Math.sqrt(2); var ticks = function(start, stop, count) { - var step = tickStep(start, stop, count); - return sequence( - Math.ceil(start / step) * step, - Math.floor(stop / step) * step + step / 2, // inclusive - step - ); + var reverse = stop < start, + i = -1, + n, + ticks, + step; + + if (reverse) n = start, start = stop, stop = n; + + if ((step = tickIncrement(start, stop, count)) === 0 || !isFinite(step)) return []; + + if (step > 0) { + start = Math.ceil(start / step); + stop = Math.floor(stop / step); + ticks = new Array(n = Math.ceil(stop - start + 1)); + while (++i < n) ticks[i] = (start + i) * step; + } else { + start = Math.floor(start * step); + stop = Math.ceil(stop * step); + ticks = new Array(n = Math.ceil(start - stop + 1)); + while (++i < n) ticks[i] = (start - i) / step; + } + + if (reverse) ticks.reverse(); + + return ticks; }; +function tickIncrement(start, stop, count) { + var step = (stop - start) / Math.max(0, count), + power = Math.floor(Math.log(step) / Math.LN10), + error = step / Math.pow(10, power); + return power >= 0 + ? (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1) * Math.pow(10, power) + : -Math.pow(10, -power) / (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1); +} + function tickStep(start, stop, count) { var step0 = Math.abs(stop - start) / Math.max(0, count), step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)), @@ -213,12 +266,15 @@ var histogram = function() { tz = threshold(values, x0, x1); // Convert number of thresholds into uniform thresholds. - if (!Array.isArray(tz)) tz = ticks(x0, x1, tz); + if (!Array.isArray(tz)) { + tz = tickStep(x0, x1, tz); + tz = sequence(Math.ceil(x0 / tz) * tz, Math.floor(x1 / tz) * tz, tz); // exclusive + } // Remove any thresholds outside the domain. var m = tz.length; while (tz[0] <= x0) tz.shift(), --m; - while (tz[m - 1] >= x1) tz.pop(), --m; + while (tz[m - 1] > x1) tz.pop(), --m; var bins = new Array(m + 1), bin; @@ -256,17 +312,17 @@ var histogram = function() { return histogram; }; -var threshold = function(array, p, f) { - if (f == null) f = number; - if (!(n = array.length)) return; - if ((p = +p) <= 0 || n < 2) return +f(array[0], 0, array); - if (p >= 1) return +f(array[n - 1], n - 1, array); +var threshold = function(values, p, valueof) { + if (valueof == null) valueof = number; + if (!(n = values.length)) return; + if ((p = +p) <= 0 || n < 2) return +valueof(values[0], 0, values); + if (p >= 1) return +valueof(values[n - 1], n - 1, values); var n, - h = (n - 1) * p, - i = Math.floor(h), - a = +f(array[i], i, array), - b = +f(array[i + 1], i + 1, array); - return a + (b - a) * (h - i); + i = (n - 1) * p, + i0 = Math.floor(i), + value0 = +valueof(values[i0], i0, values), + value1 = +valueof(values[i0 + 1], i0 + 1, values); + return value0 + (value1 - value0) * (i - i0); }; var freedmanDiaconis = function(values, min, max) { @@ -278,55 +334,85 @@ var scott = function(values, min, max) { return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3))); }; -var max = function(array, f) { - var i = -1, - n = array.length, - a, - b; - - if (f == null) { - while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = array[i]) != null && b > a) a = b; +var max = function(values, valueof) { + var n = values.length, + i = -1, + value, + max; + + if (valueof == null) { + while (++i < n) { // Find the first comparable value. + if ((value = values[i]) != null && value >= value) { + max = value; + while (++i < n) { // Compare the remaining values. + if ((value = values[i]) != null && value > max) { + max = value; + } + } + } + } } else { - while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = f(array[i], i, array)) != null && b > a) a = b; + while (++i < n) { // Find the first comparable value. + if ((value = valueof(values[i], i, values)) != null && value >= value) { + max = value; + while (++i < n) { // Compare the remaining values. + if ((value = valueof(values[i], i, values)) != null && value > max) { + max = value; + } + } + } + } } - return a; + return max; }; -var mean = function(array, f) { - var s = 0, - n = array.length, - a, +var mean = function(values, valueof) { + var n = values.length, + m = n, i = -1, - j = n; + value, + sum = 0; - if (f == null) { - while (++i < n) if (!isNaN(a = number(array[i]))) s += a; else --j; + if (valueof == null) { + while (++i < n) { + if (!isNaN(value = number(values[i]))) sum += value; + else --m; + } } else { - while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) s += a; else --j; + while (++i < n) { + if (!isNaN(value = number(valueof(values[i], i, values)))) sum += value; + else --m; + } } - if (j) return s / j; + if (m) return sum / m; }; -var median = function(array, f) { - var numbers = [], - n = array.length, - a, - i = -1; +var median = function(values, valueof) { + var n = values.length, + i = -1, + value, + numbers = []; - if (f == null) { - while (++i < n) if (!isNaN(a = number(array[i]))) numbers.push(a); + if (valueof == null) { + while (++i < n) { + if (!isNaN(value = number(values[i]))) { + numbers.push(value); + } + } } else { - while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) numbers.push(a); + while (++i < n) { + if (!isNaN(value = number(valueof(values[i], i, values)))) { + numbers.push(value); + } + } } return threshold(numbers.sort(ascending), 0.5); @@ -354,23 +440,39 @@ var merge = function(arrays) { return merged; }; -var min = function(array, f) { - var i = -1, - n = array.length, - a, - b; - - if (f == null) { - while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = array[i]) != null && a > b) a = b; +var min = function(values, valueof) { + var n = values.length, + i = -1, + value, + min; + + if (valueof == null) { + while (++i < n) { // Find the first comparable value. + if ((value = values[i]) != null && value >= value) { + min = value; + while (++i < n) { // Compare the remaining values. + if ((value = values[i]) != null && min > value) { + min = value; + } + } + } + } } else { - while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } - while (++i < n) if ((b = f(array[i], i, array)) != null && a > b) a = b; + while (++i < n) { // Find the first comparable value. + if ((value = valueof(values[i], i, values)) != null && value >= value) { + min = value; + while (++i < n) { // Compare the remaining values. + if ((value = valueof(values[i], i, values)) != null && min > value) { + min = value; + } + } + } + } } - return a; + return min; }; var permute = function(array, indexes) { @@ -379,17 +481,21 @@ var permute = function(array, indexes) { return permutes; }; -var scan = function(array, compare) { - if (!(n = array.length)) return; - var i = 0, - n, +var scan = function(values, compare) { + if (!(n = values.length)) return; + var n, + i = 0, j = 0, xi, - xj = array[j]; + xj = values[j]; - if (!compare) compare = ascending; + if (compare == null) compare = ascending; - while (++i < n) if (compare(xi = array[i], xj) < 0 || compare(xj, xj) !== 0) xj = xi, j = i; + while (++i < n) { + if (compare(xi = values[i], xj) < 0 || compare(xj, xj) !== 0) { + xj = xi, j = i; + } + } if (compare(xj, xj) === 0) return j; }; @@ -409,21 +515,25 @@ var shuffle = function(array, i0, i1) { return array; }; -var sum = function(array, f) { - var s = 0, - n = array.length, - a, - i = -1; +var sum = function(values, valueof) { + var n = values.length, + i = -1, + value, + sum = 0; - if (f == null) { - while (++i < n) if (a = +array[i]) s += a; // Note: zero and null are equivalent. + if (valueof == null) { + while (++i < n) { + if (value = +values[i]) sum += value; // Note: zero and null are equivalent. + } } else { - while (++i < n) if (a = +f(array[i], i, array)) s += a; + while (++i < n) { + if (value = +valueof(values[i], i, values)) sum += value; + } } - return s; + return sum; }; var transpose = function(matrix) { @@ -6405,7 +6515,8 @@ var formatLocale = function(locale) { var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, currency = locale.currency, decimal = locale.decimal, - numerals = locale.numerals ? formatNumerals(locale.numerals) : identity$3; + numerals = locale.numerals ? formatNumerals(locale.numerals) : identity$3, + percent = locale.percent || "%"; function newFormat(specifier) { specifier = formatSpecifier(specifier); @@ -6423,7 +6534,7 @@ var formatLocale = function(locale) { // Compute the prefix and suffix. // For SI-prefix, the suffix is lazily computed. var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", - suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? "%" : ""; + suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? percent : ""; // What format function should we use? // Is this an integer type? @@ -16203,6 +16314,7 @@ exports.scan = scan; exports.shuffle = shuffle; exports.sum = sum; exports.ticks = ticks; +exports.tickIncrement = tickIncrement; exports.tickStep = tickStep; exports.transpose = transpose; exports.variance = variance; diff --git a/app/assets/javascripts/d3.v4.min.js b/app/assets/javascripts/d3.v4.min.js index 6ba6b41..4224fcf 100644 --- a/app/assets/javascripts/d3.v4.min.js +++ b/app/assets/javascripts/d3.v4.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.7.4. 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o(t){return[(+t[0][0]+ +t[1][0])/2,(+t[0][1]+ +t[1][1])/2]}function u(t,n,e){t.on("start.zoom",function(){a(this,arguments).start()}).on("interrupt.zoom end.zoom",function(){a(this,arguments).end()}).tween("zoom",function(){var t=this,r=arguments,i=a(t,r),u=m.apply(t,r),c=e||o(u),s=Math.max(u[1][0]-u[0][0],u[1][1]-u[0][1]),f=t.__zoom,l="function"==typeof n?n.apply(t,r):n,h=k(f.invert(c).concat(s/f.k),l.invert(c).concat(s/l.k));return function(t){if(1===t)t=l;else{var n=h(t),e=s/n[2];t=new Es(e,c[0]-n[0]*e,c[1]-n[1]*e)}i.zoom(null,t)}})}function a(t,n){for(var e,r=0,i=E.length;r0?wl(this).transition().duration(N).call(u,f,a):wl(this).call(n.transform,f)}}function h(){if(y.apply(this,arguments)){var n,e,r,i,o=a(this,arguments),u=t.event.changedTouches,c=u.length;for(Cs(),e=0;e Date: Mon, 15 May 2017 22:08:01 +0200 Subject: [PATCH 23/42] Update to 4.9.0 --- CHANGELOG.md | 5 +- README.md | 2 +- app/assets/javascripts/d3.js | 389 +++++++++++++++++++++------- app/assets/javascripts/d3.min.js | 16 +- app/assets/javascripts/d3.v4.js | 389 +++++++++++++++++++++------- app/assets/javascripts/d3.v4.min.js | 16 +- lib/d3/rails/version.rb | 2 +- 7 files changed, 600 insertions(+), 219 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index e2ca81a..8eaf4df 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,5 +1,8 @@ +## 4.8.0 (15 May 2017) +* Upgrade D3 to 4.9.0 + ## 4.8.0 (15 April 2017) -# Upgrade D3 to 4.8.0 +* Upgrade D3 to 4.8.0 ## 4.7.0 (28 February 2017) * Upgrade D3 to 4.7.0 diff --git a/README.md b/README.md index 328617f..91265a1 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 4.8.0 of D3.js. The d3-rails version will +d3-rails comes with version 4.9.0 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index 31e0698..393fd0d 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,11 +1,11 @@ -// https://d3js.org Version 4.8.0. Copyright 2017 Mike Bostock. +// https://d3js.org Version 4.9.0. Copyright 2017 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "4.8.0"; +var version = "4.9.0"; var ascending = function(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -567,15 +567,15 @@ var left = 4; var epsilon = 1e-6; function translateX(x) { - return "translate(" + x + ",0)"; + return "translate(" + (x + 0.5) + ",0)"; } function translateY(y) { - return "translate(0," + y + ")"; + return "translate(0," + (y + 0.5) + ")"; } function center(scale) { - var offset = scale.bandwidth() / 2; + var offset = Math.max(0, scale.bandwidth() - 1) / 2; // Adjust for 0.5px offset. if (scale.round()) offset = Math.round(offset); return function(d) { return scale(d) + offset; @@ -594,7 +594,7 @@ function axis(orient, scale) { tickSizeOuter = 6, tickPadding = 3, k = orient === top || orient === left ? -1 : 1, - x, y = orient === left || orient === right ? (x = "x", "y") : (x = "y", "x"), + x = orient === left || orient === right ? "x" : "y", transform = orient === top || orient === bottom ? translateX : translateY; function axis(context) { @@ -621,14 +621,11 @@ function axis(orient, scale) { line = line.merge(tickEnter.append("line") .attr("stroke", "#000") - .attr(x + "2", k * tickSizeInner) - .attr(y + "1", 0.5) - .attr(y + "2", 0.5)); + .attr(x + "2", k * tickSizeInner)); text = text.merge(tickEnter.append("text") .attr("fill", "#000") .attr(x, k * spacing) - .attr(y, 0.5) .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); if (context !== selection) { @@ -1403,7 +1400,7 @@ var selection_attr = function(name, value) { : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); }; -var window = function(node) { +var defaultView = function(node) { return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node || (node.document && node) // node is a Window || node.defaultView; // node is a Document @@ -1430,17 +1427,19 @@ function styleFunction(name, value, priority) { } var selection_style = function(name, value, priority) { - var node; return arguments.length > 1 ? this.each((value == null ? styleRemove : typeof value === "function" ? styleFunction : styleConstant)(name, value, priority == null ? "" : priority)) - : window(node = this.node()) - .getComputedStyle(node, null) - .getPropertyValue(name); + : styleValue(this.node(), name); }; +function styleValue(node, name) { + return node.style.getPropertyValue(name) + || defaultView(node).getComputedStyle(node, null).getPropertyValue(name); +} + function propertyRemove(name) { return function() { delete this[name]; @@ -1649,13 +1648,13 @@ var selection_datum = function(value) { }; function dispatchEvent(node, type, params) { - var window$$1 = window(node), - event = window$$1.CustomEvent; + var window = defaultView(node), + event = window.CustomEvent; - if (event) { + if (typeof event === "function") { event = new event(type, params); } else { - event = window$$1.document.createEvent("Event"); + event = window.document.createEvent("Event"); if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; else event.initEvent(type, false, false); } @@ -1838,8 +1837,11 @@ var drag = function() { gestures = {}, listeners = dispatch("start", "drag", "end"), active = 0, + mousedownx, + mousedowny, mousemoving, - touchending; + touchending, + clickDistance2 = 0; function drag(selection$$1) { selection$$1 @@ -1858,12 +1860,17 @@ var drag = function() { dragDisable(exports.event.view); nopropagation(); mousemoving = false; + mousedownx = exports.event.clientX; + mousedowny = exports.event.clientY; gesture("start"); } function mousemoved() { noevent(); - mousemoving = true; + if (!mousemoving) { + var dx = exports.event.clientX - mousedownx, dy = exports.event.clientY - mousedowny; + mousemoving = dx * dx + dy * dy > clickDistance2; + } gestures.mouse("drag"); } @@ -1953,6 +1960,10 @@ var drag = function() { return value === listeners ? drag : value; }; + drag.clickDistance = function(_) { + return arguments.length ? (clickDistance2 = (_ = +_) * _, drag) : Math.sqrt(clickDistance2); + }; + return drag; }; @@ -2701,7 +2712,7 @@ var interpolateValue = function(a, b) { : b instanceof color ? interpolateRgb : b instanceof Date ? date : Array.isArray(b) ? array$1 - : isNaN(b) ? object + : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object : reinterpolate)(a, b); }; @@ -3664,9 +3675,8 @@ function styleRemove$1(name, interpolate$$2) { value10, interpolate0; return function() { - var style = window(this).getComputedStyle(this, null), - value0 = style.getPropertyValue(name), - value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + var value0 = styleValue(this, name), + value1 = (this.style.removeProperty(name), styleValue(this, name)); return value0 === value1 ? null : value0 === value00 && value1 === value10 ? interpolate0 : interpolate0 = interpolate$$2(value00 = value0, value10 = value1); @@ -3683,7 +3693,7 @@ function styleConstant$1(name, interpolate$$2, value1) { var value00, interpolate0; return function() { - var value0 = window(this).getComputedStyle(this, null).getPropertyValue(name); + var value0 = styleValue(this, name); return value0 === value1 ? null : value0 === value00 ? interpolate0 : interpolate0 = interpolate$$2(value00 = value0, value1); @@ -3695,10 +3705,9 @@ function styleFunction$1(name, interpolate$$2, value) { value10, interpolate0; return function() { - var style = window(this).getComputedStyle(this, null), - value0 = style.getPropertyValue(name), + var value0 = styleValue(this, name), value1 = value(this); - if (value1 == null) value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + if (value1 == null) value1 = (this.style.removeProperty(name), styleValue(this, name)); return value0 === value1 ? null : value0 === value00 && value1 === value10 ? interpolate0 : interpolate0 = interpolate$$2(value00 = value0, value10 = value1); @@ -10966,7 +10975,6 @@ var slice$3 = [].slice; var noabort = {}; function Queue(size) { - if (!(size >= 1)) throw new Error; this._size = size; this._call = this._error = null; @@ -10981,7 +10989,8 @@ function Queue(size) { Queue.prototype = queue.prototype = { constructor: Queue, defer: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; + if (typeof callback !== "function") throw new Error("invalid callback"); + if (this._call) throw new Error("defer after await"); if (this._error != null) return this; var t = slice$3.call(arguments, 1); t.push(callback); @@ -10994,13 +11003,15 @@ Queue.prototype = queue.prototype = { return this; }, await: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; + if (typeof callback !== "function") throw new Error("invalid callback"); + if (this._call) throw new Error("multiple await"); this._call = function(error, results) { callback.apply(null, [error].concat(results)); }; maybeNotify(this); return this; }, awaitAll: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; + if (typeof callback !== "function") throw new Error("invalid callback"); + if (this._call) throw new Error("multiple await"); this._call = callback; maybeNotify(this); return this; @@ -11076,66 +11087,108 @@ function maybeNotify(q) { } function queue(concurrency) { - return new Queue(arguments.length ? +concurrency : Infinity); + if (concurrency == null) concurrency = Infinity; + else if (!((concurrency = +concurrency) >= 1)) throw new Error("invalid concurrency"); + return new Queue(concurrency); } -var uniform = function(min, max) { - min = min == null ? 0 : +min; - max = max == null ? 1 : +max; - if (arguments.length === 1) max = min, min = 0; - else max -= min; - return function() { - return Math.random() * max + min; - }; +var defaultSource$1 = function() { + return Math.random(); }; -var normal = function(mu, sigma) { - var x, r; - mu = mu == null ? 0 : +mu; - sigma = sigma == null ? 1 : +sigma; - return function() { - var y; +var uniform = ((function sourceRandomUniform(source) { + function randomUniform(min, max) { + min = min == null ? 0 : +min; + max = max == null ? 1 : +max; + if (arguments.length === 1) max = min, min = 0; + else max -= min; + return function() { + return source() * max + min; + }; + } - // If available, use the second previously-generated uniform random. - if (x != null) y = x, x = null; + randomUniform.source = sourceRandomUniform; - // Otherwise, generate a new x and y. - else do { - x = Math.random() * 2 - 1; - y = Math.random() * 2 - 1; - r = x * x + y * y; - } while (!r || r > 1); + return randomUniform; +}))(defaultSource$1); - return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); - }; -}; +var normal = ((function sourceRandomNormal(source) { + function randomNormal(mu, sigma) { + var x, r; + mu = mu == null ? 0 : +mu; + sigma = sigma == null ? 1 : +sigma; + return function() { + var y; -var logNormal = function() { - var randomNormal = normal.apply(this, arguments); - return function() { - return Math.exp(randomNormal()); - }; -}; + // If available, use the second previously-generated uniform random. + if (x != null) y = x, x = null; -var irwinHall = function(n) { - return function() { - for (var sum = 0, i = 0; i < n; ++i) sum += Math.random(); - return sum; - }; -}; + // Otherwise, generate a new x and y. + else do { + x = source() * 2 - 1; + y = source() * 2 - 1; + r = x * x + y * y; + } while (!r || r > 1); -var bates = function(n) { - var randomIrwinHall = irwinHall(n); - return function() { - return randomIrwinHall() / n; - }; -}; + return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); + }; + } -var exponential$1 = function(lambda) { - return function() { - return -Math.log(1 - Math.random()) / lambda; - }; -}; + randomNormal.source = sourceRandomNormal; + + return randomNormal; +}))(defaultSource$1); + +var logNormal = ((function sourceRandomLogNormal(source) { + function randomLogNormal() { + var randomNormal = normal.source(source).apply(this, arguments); + return function() { + return Math.exp(randomNormal()); + }; + } + + randomLogNormal.source = sourceRandomLogNormal; + + return randomLogNormal; +}))(defaultSource$1); + +var irwinHall = ((function sourceRandomIrwinHall(source) { + function randomIrwinHall(n) { + return function() { + for (var sum = 0, i = 0; i < n; ++i) sum += source(); + return sum; + }; + } + + randomIrwinHall.source = sourceRandomIrwinHall; + + return randomIrwinHall; +}))(defaultSource$1); + +var bates = ((function sourceRandomBates(source) { + function randomBates(n) { + var randomIrwinHall = irwinHall.source(source)(n); + return function() { + return randomIrwinHall() / n; + }; + } + + randomBates.source = sourceRandomBates; + + return randomBates; +}))(defaultSource$1); + +var exponential$1 = ((function sourceRandomExponential(source) { + function randomExponential(lambda) { + return function() { + return -Math.log(1 - source()) / lambda; + }; + } + + randomExponential.source = sourceRandomExponential; + + return randomExponential; +}))(defaultSource$1); var request = function(url, callback) { var request, @@ -11643,17 +11696,39 @@ function linearish(scale) { }; scale.nice = function(count) { + if (count == null) count = 10; + var d = domain(), - i = d.length - 1, - n = count == null ? 10 : count, - start = d[0], - stop = d[i], - step = tickStep(start, stop, n); - - if (step) { - step = tickStep(Math.floor(start / step) * step, Math.ceil(stop / step) * step, n); - d[0] = Math.floor(start / step) * step; - d[i] = Math.ceil(stop / step) * step; + i0 = 0, + i1 = d.length - 1, + start = d[i0], + stop = d[i1], + step; + + if (stop < start) { + step = start, start = stop, stop = step; + step = i0, i0 = i1, i1 = step; + } + + step = tickIncrement(start, stop, count); + + if (step > 0) { + start = Math.floor(start / step) * step; + stop = Math.ceil(stop / step) * step; + step = tickIncrement(start, stop, count); + } else if (step < 0) { + start = Math.ceil(start * step) / step; + stop = Math.floor(stop * step) / step; + step = tickIncrement(start, stop, count); + } + + if (step > 0) { + d[i0] = Math.floor(start / step) * step; + d[i1] = Math.ceil(stop / step) * step; + domain(d); + } else if (step < 0) { + d[i0] = Math.ceil(start * step) / step; + d[i1] = Math.floor(stop * step) / step; domain(d); } @@ -13718,6 +13793,92 @@ var radialArea = function() { return a; }; +var slice$5 = Array.prototype.slice; + +function linkSource(d) { + return d.source; +} + +function linkTarget(d) { + return d.target; +} + +function link$2(curve) { + var source = linkSource, + target = linkTarget, + x$$1 = x$3, + y$$1 = y$3, + context = null; + + function link() { + var buffer, argv = slice$5.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); + if (!context) context = buffer = path(); + curve(context, +x$$1.apply(this, (argv[0] = s, argv)), +y$$1.apply(this, argv), +x$$1.apply(this, (argv[0] = t, argv)), +y$$1.apply(this, argv)); + if (buffer) return context = null, buffer + "" || null; + } + + link.source = function(_) { + return arguments.length ? (source = _, link) : source; + }; + + link.target = function(_) { + return arguments.length ? (target = _, link) : target; + }; + + link.x = function(_) { + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : x$$1; + }; + + link.y = function(_) { + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : y$$1; + }; + + link.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), link) : context; + }; + + return link; +} + +function curveHorizontal(context, x0, y0, x1, y1) { + context.moveTo(x0, y0); + context.bezierCurveTo(x0 = (x0 + x1) / 2, y0, x0, y1, x1, y1); +} + +function curveVertical(context, x0, y0, x1, y1) { + context.moveTo(x0, y0); + context.bezierCurveTo(x0, y0 = (y0 + y1) / 2, x1, y0, x1, y1); +} + +function curveRadial$1(context, x0, y0, x1, y1) { + var p0 = cartesian$1(x0, y0), + p1 = cartesian$1(x0, y0 = (y0 + y1) / 2), + p2 = cartesian$1(x1, y0), + p3 = cartesian$1(x1, y1); + context.moveTo(p0[0], p0[1]); + context.bezierCurveTo(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]); +} + +function linkHorizontal() { + return link$2(curveHorizontal); +} + +function linkVertical() { + return link$2(curveVertical); +} + +function linkRadial() { + var l = link$2(curveRadial$1); + l.angle = l.x, delete l.x; + l.radius = l.y, delete l.y; + return l; +} + +function cartesian$1(x$$1, y$$1) { + var angle = (x$$1 - 90) / 180 * Math.PI, radius = y$$1; + return [radius * Math.cos(angle), radius * Math.sin(angle)]; +} + var circle$2 = { draw: function(context, size) { var r = Math.sqrt(size / pi$4); @@ -14699,13 +14860,11 @@ function stepAfter(context) { return new Step(context, 1); } -var slice$5 = Array.prototype.slice; - var none$1 = function(series, order) { if (!((n = series.length) > 1)) return; - for (var i = 1, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { + for (var i = 1, j, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { s0 = s1, s1 = series[order[i]]; - for (var j = 0; j < m; ++j) { + for (j = 0; j < m; ++j) { s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; } } @@ -14779,6 +14938,21 @@ var expand = function(series, order) { none$1(series, order); }; +var diverging = function(series, order) { + if (!((n = series.length) > 1)) return; + for (var i, j = 0, d, dy, yp, yn, n, m = series[order[0]].length; j < m; ++j) { + for (yp = yn = 0, i = 0; i < n; ++i) { + if ((dy = (d = series[order[i]][j])[1] - d[0]) >= 0) { + d[0] = yp, d[1] = yp += dy; + } else if (dy < 0) { + d[1] = yn, d[0] = yn += dy; + } else { + d[0] = yp; + } + } + } +}; + var silhouette = function(series, order) { if (!((n = series.length) > 0)) return; for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { @@ -15952,7 +16126,8 @@ var zoom = function() { touchstarting, touchending, touchDelay = 500, - wheelDelay = 150; + wheelDelay = 150, + clickDistance2 = 0; function zoom(selection$$1) { selection$$1 @@ -16142,7 +16317,9 @@ var zoom = function() { if (touchending || !filter.apply(this, arguments)) return; var g = gesture(this, arguments), v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), - p = mouse(this); + p = mouse(this), + x0 = exports.event.clientX, + y0 = exports.event.clientY; dragDisable(exports.event.view); nopropagation$2(); @@ -16152,7 +16329,10 @@ var zoom = function() { function mousemoved() { noevent$2(); - g.moved = true; + if (!g.moved) { + var dx = exports.event.clientX - x0, dy = exports.event.clientY - y0; + g.moved = dx * dx + dy * dy > clickDistance2; + } g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent)); } @@ -16284,6 +16464,10 @@ var zoom = function() { return value === listeners ? zoom : value; }; + zoom.clickDistance = function(_) { + return arguments.length ? (clickDistance2 = (_ = +_) * _, zoom) : Math.sqrt(clickDistance2); + }; + return zoom; }; @@ -16543,9 +16727,10 @@ exports.selectAll = selectAll; exports.selection = selection; exports.selector = selector; exports.selectorAll = selectorAll; +exports.style = styleValue; exports.touch = touch; exports.touches = touches; -exports.window = window; +exports.window = defaultView; exports.customEvent = customEvent; exports.arc = arc; exports.area = area$2; @@ -16553,6 +16738,9 @@ exports.line = line; exports.pie = pie; exports.radialArea = radialArea; exports.radialLine = radialLine$1; +exports.linkHorizontal = linkHorizontal; +exports.linkVertical = linkVertical; +exports.linkRadial = linkRadial; exports.symbol = symbol; exports.symbols = symbols; exports.symbolCircle = circle$2; @@ -16582,6 +16770,7 @@ exports.curveStepAfter = stepAfter; exports.curveStepBefore = stepBefore; exports.stack = stack; exports.stackOffsetExpand = expand; +exports.stackOffsetDiverging = diverging; exports.stackOffsetNone = none$1; exports.stackOffsetSilhouette = silhouette; exports.stackOffsetWiggle = wiggle; diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index 4224fcf..e570c5b 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.8.0. 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o=a(this,arguments),u=Ll(t.event.view).on("mousemove.zoom",n,!0).on("mouseup.zoom",e,!0),c=Jf(this),s=t.event.clientX,f=t.event.clientY;Ol(t.event.view),Ys(),o.mouse=[c,this.__zoom.invert(c)],mp(this),o.start()}}function l(){if(g.apply(this,arguments)){var o=this.__zoom,a=Jf(this),c=o.invert(a),s=o.k*(t.event.shiftKey?.5:2),f=i(r(e(o,s),a,c),m.apply(this,arguments));Zw(),N>0?Ll(this).transition().duration(N).call(u,f,a):Ll(this).call(n.transform,f)}}function h(){if(g.apply(this,arguments)){var n,e,r,i,o=a(this,arguments),u=t.event.changedTouches,c=u.length;for(Ys(),e=0;e b ? 1 : a >= b ? 0 : NaN; @@ -567,15 +567,15 @@ var left = 4; var epsilon = 1e-6; function translateX(x) { - return "translate(" + x + ",0)"; + return "translate(" + (x + 0.5) + ",0)"; } function translateY(y) { - return "translate(0," + y + ")"; + return "translate(0," + (y + 0.5) + ")"; } function center(scale) { - var offset = scale.bandwidth() / 2; + var offset = Math.max(0, scale.bandwidth() - 1) / 2; // Adjust for 0.5px offset. if (scale.round()) offset = Math.round(offset); return function(d) { return scale(d) + offset; @@ -594,7 +594,7 @@ function axis(orient, scale) { tickSizeOuter = 6, tickPadding = 3, k = orient === top || orient === left ? -1 : 1, - x, y = orient === left || orient === right ? (x = "x", "y") : (x = "y", "x"), + x = orient === left || orient === right ? "x" : "y", transform = orient === top || orient === bottom ? translateX : translateY; function axis(context) { @@ -621,14 +621,11 @@ function axis(orient, scale) { line = line.merge(tickEnter.append("line") .attr("stroke", "#000") - .attr(x + "2", k * tickSizeInner) - .attr(y + "1", 0.5) - .attr(y + "2", 0.5)); + .attr(x + "2", k * tickSizeInner)); text = text.merge(tickEnter.append("text") .attr("fill", "#000") .attr(x, k * spacing) - .attr(y, 0.5) .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); if (context !== selection) { @@ -1403,7 +1400,7 @@ var selection_attr = function(name, value) { : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); }; -var window = function(node) { +var defaultView = function(node) { return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node || (node.document && node) // node is a Window || node.defaultView; // node is a Document @@ -1430,17 +1427,19 @@ function styleFunction(name, value, priority) { } var selection_style = function(name, value, priority) { - var node; return arguments.length > 1 ? this.each((value == null ? styleRemove : typeof value === "function" ? styleFunction : styleConstant)(name, value, priority == null ? "" : priority)) - : window(node = this.node()) - .getComputedStyle(node, null) - .getPropertyValue(name); + : styleValue(this.node(), name); }; +function styleValue(node, name) { + return node.style.getPropertyValue(name) + || defaultView(node).getComputedStyle(node, null).getPropertyValue(name); +} + function propertyRemove(name) { return function() { delete this[name]; @@ -1649,13 +1648,13 @@ var selection_datum = function(value) { }; function dispatchEvent(node, type, params) { - var window$$1 = window(node), - event = window$$1.CustomEvent; + var window = defaultView(node), + event = window.CustomEvent; - if (event) { + if (typeof event === "function") { event = new event(type, params); } else { - event = window$$1.document.createEvent("Event"); + event = window.document.createEvent("Event"); if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; else event.initEvent(type, false, false); } @@ -1838,8 +1837,11 @@ var drag = function() { gestures = {}, listeners = dispatch("start", "drag", "end"), active = 0, + mousedownx, + mousedowny, mousemoving, - touchending; + touchending, + clickDistance2 = 0; function drag(selection$$1) { selection$$1 @@ -1858,12 +1860,17 @@ var drag = function() { dragDisable(exports.event.view); nopropagation(); mousemoving = false; + mousedownx = exports.event.clientX; + mousedowny = exports.event.clientY; gesture("start"); } function mousemoved() { noevent(); - mousemoving = true; + if (!mousemoving) { + var dx = exports.event.clientX - mousedownx, dy = exports.event.clientY - mousedowny; + mousemoving = dx * dx + dy * dy > clickDistance2; + } gestures.mouse("drag"); } @@ -1953,6 +1960,10 @@ var drag = function() { return value === listeners ? drag : value; }; + drag.clickDistance = function(_) { + return arguments.length ? (clickDistance2 = (_ = +_) * _, drag) : Math.sqrt(clickDistance2); + }; + return drag; }; @@ -2701,7 +2712,7 @@ var interpolateValue = function(a, b) { : b instanceof color ? interpolateRgb : b instanceof Date ? date : Array.isArray(b) ? array$1 - : isNaN(b) ? object + : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object : reinterpolate)(a, b); }; @@ -3664,9 +3675,8 @@ function styleRemove$1(name, interpolate$$2) { value10, interpolate0; return function() { - var style = window(this).getComputedStyle(this, null), - value0 = style.getPropertyValue(name), - value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + var value0 = styleValue(this, name), + value1 = (this.style.removeProperty(name), styleValue(this, name)); return value0 === value1 ? null : value0 === value00 && value1 === value10 ? interpolate0 : interpolate0 = interpolate$$2(value00 = value0, value10 = value1); @@ -3683,7 +3693,7 @@ function styleConstant$1(name, interpolate$$2, value1) { var value00, interpolate0; return function() { - var value0 = window(this).getComputedStyle(this, null).getPropertyValue(name); + var value0 = styleValue(this, name); return value0 === value1 ? null : value0 === value00 ? interpolate0 : interpolate0 = interpolate$$2(value00 = value0, value1); @@ -3695,10 +3705,9 @@ function styleFunction$1(name, interpolate$$2, value) { value10, interpolate0; return function() { - var style = window(this).getComputedStyle(this, null), - value0 = style.getPropertyValue(name), + var value0 = styleValue(this, name), value1 = value(this); - if (value1 == null) value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + if (value1 == null) value1 = (this.style.removeProperty(name), styleValue(this, name)); return value0 === value1 ? null : value0 === value00 && value1 === value10 ? interpolate0 : interpolate0 = interpolate$$2(value00 = value0, value10 = value1); @@ -10966,7 +10975,6 @@ var slice$3 = [].slice; var noabort = {}; function Queue(size) { - if (!(size >= 1)) throw new Error; this._size = size; this._call = this._error = null; @@ -10981,7 +10989,8 @@ function Queue(size) { Queue.prototype = queue.prototype = { constructor: Queue, defer: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; + if (typeof callback !== "function") throw new Error("invalid callback"); + if (this._call) throw new Error("defer after await"); if (this._error != null) return this; var t = slice$3.call(arguments, 1); t.push(callback); @@ -10994,13 +11003,15 @@ Queue.prototype = queue.prototype = { return this; }, await: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; + if (typeof callback !== "function") throw new Error("invalid callback"); + if (this._call) throw new Error("multiple await"); this._call = function(error, results) { callback.apply(null, [error].concat(results)); }; maybeNotify(this); return this; }, awaitAll: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; + if (typeof callback !== "function") throw new Error("invalid callback"); + if (this._call) throw new Error("multiple await"); this._call = callback; maybeNotify(this); return this; @@ -11076,66 +11087,108 @@ function maybeNotify(q) { } function queue(concurrency) { - return new Queue(arguments.length ? +concurrency : Infinity); + if (concurrency == null) concurrency = Infinity; + else if (!((concurrency = +concurrency) >= 1)) throw new Error("invalid concurrency"); + return new Queue(concurrency); } -var uniform = function(min, max) { - min = min == null ? 0 : +min; - max = max == null ? 1 : +max; - if (arguments.length === 1) max = min, min = 0; - else max -= min; - return function() { - return Math.random() * max + min; - }; +var defaultSource$1 = function() { + return Math.random(); }; -var normal = function(mu, sigma) { - var x, r; - mu = mu == null ? 0 : +mu; - sigma = sigma == null ? 1 : +sigma; - return function() { - var y; +var uniform = ((function sourceRandomUniform(source) { + function randomUniform(min, max) { + min = min == null ? 0 : +min; + max = max == null ? 1 : +max; + if (arguments.length === 1) max = min, min = 0; + else max -= min; + return function() { + return source() * max + min; + }; + } - // If available, use the second previously-generated uniform random. - if (x != null) y = x, x = null; + randomUniform.source = sourceRandomUniform; - // Otherwise, generate a new x and y. - else do { - x = Math.random() * 2 - 1; - y = Math.random() * 2 - 1; - r = x * x + y * y; - } while (!r || r > 1); + return randomUniform; +}))(defaultSource$1); - return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); - }; -}; +var normal = ((function sourceRandomNormal(source) { + function randomNormal(mu, sigma) { + var x, r; + mu = mu == null ? 0 : +mu; + sigma = sigma == null ? 1 : +sigma; + return function() { + var y; -var logNormal = function() { - var randomNormal = normal.apply(this, arguments); - return function() { - return Math.exp(randomNormal()); - }; -}; + // If available, use the second previously-generated uniform random. + if (x != null) y = x, x = null; -var irwinHall = function(n) { - return function() { - for (var sum = 0, i = 0; i < n; ++i) sum += Math.random(); - return sum; - }; -}; + // Otherwise, generate a new x and y. + else do { + x = source() * 2 - 1; + y = source() * 2 - 1; + r = x * x + y * y; + } while (!r || r > 1); -var bates = function(n) { - var randomIrwinHall = irwinHall(n); - return function() { - return randomIrwinHall() / n; - }; -}; + return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); + }; + } -var exponential$1 = function(lambda) { - return function() { - return -Math.log(1 - Math.random()) / lambda; - }; -}; + randomNormal.source = sourceRandomNormal; + + return randomNormal; +}))(defaultSource$1); + +var logNormal = ((function sourceRandomLogNormal(source) { + function randomLogNormal() { + var randomNormal = normal.source(source).apply(this, arguments); + return function() { + return Math.exp(randomNormal()); + }; + } + + randomLogNormal.source = sourceRandomLogNormal; + + return randomLogNormal; +}))(defaultSource$1); + +var irwinHall = ((function sourceRandomIrwinHall(source) { + function randomIrwinHall(n) { + return function() { + for (var sum = 0, i = 0; i < n; ++i) sum += source(); + return sum; + }; + } + + randomIrwinHall.source = sourceRandomIrwinHall; + + return randomIrwinHall; +}))(defaultSource$1); + +var bates = ((function sourceRandomBates(source) { + function randomBates(n) { + var randomIrwinHall = irwinHall.source(source)(n); + return function() { + return randomIrwinHall() / n; + }; + } + + randomBates.source = sourceRandomBates; + + return randomBates; +}))(defaultSource$1); + +var exponential$1 = ((function sourceRandomExponential(source) { + function randomExponential(lambda) { + return function() { + return -Math.log(1 - source()) / lambda; + }; + } + + randomExponential.source = sourceRandomExponential; + + return randomExponential; +}))(defaultSource$1); var request = function(url, callback) { var request, @@ -11643,17 +11696,39 @@ function linearish(scale) { }; scale.nice = function(count) { + if (count == null) count = 10; + var d = domain(), - i = d.length - 1, - n = count == null ? 10 : count, - start = d[0], - stop = d[i], - step = tickStep(start, stop, n); - - if (step) { - step = tickStep(Math.floor(start / step) * step, Math.ceil(stop / step) * step, n); - d[0] = Math.floor(start / step) * step; - d[i] = Math.ceil(stop / step) * step; + i0 = 0, + i1 = d.length - 1, + start = d[i0], + stop = d[i1], + step; + + if (stop < start) { + step = start, start = stop, stop = step; + step = i0, i0 = i1, i1 = step; + } + + step = tickIncrement(start, stop, count); + + if (step > 0) { + start = Math.floor(start / step) * step; + stop = Math.ceil(stop / step) * step; + step = tickIncrement(start, stop, count); + } else if (step < 0) { + start = Math.ceil(start * step) / step; + stop = Math.floor(stop * step) / step; + step = tickIncrement(start, stop, count); + } + + if (step > 0) { + d[i0] = Math.floor(start / step) * step; + d[i1] = Math.ceil(stop / step) * step; + domain(d); + } else if (step < 0) { + d[i0] = Math.ceil(start * step) / step; + d[i1] = Math.floor(stop * step) / step; domain(d); } @@ -13718,6 +13793,92 @@ var radialArea = function() { return a; }; +var slice$5 = Array.prototype.slice; + +function linkSource(d) { + return d.source; +} + +function linkTarget(d) { + return d.target; +} + +function link$2(curve) { + var source = linkSource, + target = linkTarget, + x$$1 = x$3, + y$$1 = y$3, + context = null; + + function link() { + var buffer, argv = slice$5.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); + if (!context) context = buffer = path(); + curve(context, +x$$1.apply(this, (argv[0] = s, argv)), +y$$1.apply(this, argv), +x$$1.apply(this, (argv[0] = t, argv)), +y$$1.apply(this, argv)); + if (buffer) return context = null, buffer + "" || null; + } + + link.source = function(_) { + return arguments.length ? (source = _, link) : source; + }; + + link.target = function(_) { + return arguments.length ? (target = _, link) : target; + }; + + link.x = function(_) { + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : x$$1; + }; + + link.y = function(_) { + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : y$$1; + }; + + link.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), link) : context; + }; + + return link; +} + +function curveHorizontal(context, x0, y0, x1, y1) { + context.moveTo(x0, y0); + context.bezierCurveTo(x0 = (x0 + x1) / 2, y0, x0, y1, x1, y1); +} + +function curveVertical(context, x0, y0, x1, y1) { + context.moveTo(x0, y0); + context.bezierCurveTo(x0, y0 = (y0 + y1) / 2, x1, y0, x1, y1); +} + +function curveRadial$1(context, x0, y0, x1, y1) { + var p0 = cartesian$1(x0, y0), + p1 = cartesian$1(x0, y0 = (y0 + y1) / 2), + p2 = cartesian$1(x1, y0), + p3 = cartesian$1(x1, y1); + context.moveTo(p0[0], p0[1]); + context.bezierCurveTo(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]); +} + +function linkHorizontal() { + return link$2(curveHorizontal); +} + +function linkVertical() { + return link$2(curveVertical); +} + +function linkRadial() { + var l = link$2(curveRadial$1); + l.angle = l.x, delete l.x; + l.radius = l.y, delete l.y; + return l; +} + +function cartesian$1(x$$1, y$$1) { + var angle = (x$$1 - 90) / 180 * Math.PI, radius = y$$1; + return [radius * Math.cos(angle), radius * Math.sin(angle)]; +} + var circle$2 = { draw: function(context, size) { var r = Math.sqrt(size / pi$4); @@ -14699,13 +14860,11 @@ function stepAfter(context) { return new Step(context, 1); } -var slice$5 = Array.prototype.slice; - var none$1 = function(series, order) { if (!((n = series.length) > 1)) return; - for (var i = 1, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { + for (var i = 1, j, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { s0 = s1, s1 = series[order[i]]; - for (var j = 0; j < m; ++j) { + for (j = 0; j < m; ++j) { s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; } } @@ -14779,6 +14938,21 @@ var expand = function(series, order) { none$1(series, order); }; +var diverging = function(series, order) { + if (!((n = series.length) > 1)) return; + for (var i, j = 0, d, dy, yp, yn, n, m = series[order[0]].length; j < m; ++j) { + for (yp = yn = 0, i = 0; i < n; ++i) { + if ((dy = (d = series[order[i]][j])[1] - d[0]) >= 0) { + d[0] = yp, d[1] = yp += dy; + } else if (dy < 0) { + d[1] = yn, d[0] = yn += dy; + } else { + d[0] = yp; + } + } + } +}; + var silhouette = function(series, order) { if (!((n = series.length) > 0)) return; for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { @@ -15952,7 +16126,8 @@ var zoom = function() { touchstarting, touchending, touchDelay = 500, - wheelDelay = 150; + wheelDelay = 150, + clickDistance2 = 0; function zoom(selection$$1) { selection$$1 @@ -16142,7 +16317,9 @@ var zoom = function() { if (touchending || !filter.apply(this, arguments)) return; var g = gesture(this, arguments), v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), - p = mouse(this); + p = mouse(this), + x0 = exports.event.clientX, + y0 = exports.event.clientY; dragDisable(exports.event.view); nopropagation$2(); @@ -16152,7 +16329,10 @@ var zoom = function() { function mousemoved() { noevent$2(); - g.moved = true; + if (!g.moved) { + var dx = exports.event.clientX - x0, dy = exports.event.clientY - y0; + g.moved = dx * dx + dy * dy > clickDistance2; + } g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent)); } @@ -16284,6 +16464,10 @@ var zoom = function() { return value === listeners ? zoom : value; }; + zoom.clickDistance = function(_) { + return arguments.length ? (clickDistance2 = (_ = +_) * _, zoom) : Math.sqrt(clickDistance2); + }; + return zoom; }; @@ -16543,9 +16727,10 @@ exports.selectAll = selectAll; exports.selection = selection; exports.selector = selector; exports.selectorAll = selectorAll; +exports.style = styleValue; exports.touch = touch; exports.touches = touches; -exports.window = window; +exports.window = defaultView; exports.customEvent = customEvent; exports.arc = arc; exports.area = area$2; @@ -16553,6 +16738,9 @@ exports.line = line; exports.pie = pie; exports.radialArea = radialArea; exports.radialLine = radialLine$1; +exports.linkHorizontal = linkHorizontal; +exports.linkVertical = linkVertical; +exports.linkRadial = linkRadial; exports.symbol = symbol; exports.symbols = symbols; exports.symbolCircle = circle$2; @@ -16582,6 +16770,7 @@ exports.curveStepAfter = stepAfter; exports.curveStepBefore = stepBefore; exports.stack = stack; exports.stackOffsetExpand = expand; +exports.stackOffsetDiverging = diverging; exports.stackOffsetNone = none$1; exports.stackOffsetSilhouette = silhouette; exports.stackOffsetWiggle = wiggle; diff --git a/app/assets/javascripts/d3.v4.min.js b/app/assets/javascripts/d3.v4.min.js index 4224fcf..e570c5b 100644 --- a/app/assets/javascripts/d3.v4.min.js +++ b/app/assets/javascripts/d3.v4.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.8.0. 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o=a(this,arguments),u=Ll(t.event.view).on("mousemove.zoom",n,!0).on("mouseup.zoom",e,!0),c=Jf(this),s=t.event.clientX,f=t.event.clientY;Ol(t.event.view),Ys(),o.mouse=[c,this.__zoom.invert(c)],mp(this),o.start()}}function l(){if(g.apply(this,arguments)){var o=this.__zoom,a=Jf(this),c=o.invert(a),s=o.k*(t.event.shiftKey?.5:2),f=i(r(e(o,s),a,c),m.apply(this,arguments));Zw(),N>0?Ll(this).transition().duration(N).call(u,f,a):Ll(this).call(n.transform,f)}}function h(){if(g.apply(this,arguments)){var n,e,r,i,o=a(this,arguments),u=t.event.changedTouches,c=u.length;for(Ys(),e=0;e Date: Mon, 15 May 2017 23:29:42 +0000 Subject: [PATCH 24/42] Update to D3 4.9.0 --- CHANGELOG.md | 3 + README.md | 2 +- app/assets/javascripts/d3.js | 389 +++++++++++++++++++++------- app/assets/javascripts/d3.min.js | 16 +- app/assets/javascripts/d3.v4.js | 389 +++++++++++++++++++++------- app/assets/javascripts/d3.v4.min.js | 16 +- lib/d3/rails/version.rb | 2 +- 7 files changed, 599 insertions(+), 218 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index e2ca81a..8160a80 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## 4.9.0 (15 May 2017) +# Upgrade D3 to 4.9.0 + ## 4.8.0 (15 April 2017) # Upgrade D3 to 4.8.0 diff --git a/README.md b/README.md index 328617f..91265a1 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 4.8.0 of D3.js. The d3-rails version will +d3-rails comes with version 4.9.0 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index 31e0698..393fd0d 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,11 +1,11 @@ -// https://d3js.org Version 4.8.0. Copyright 2017 Mike Bostock. +// https://d3js.org Version 4.9.0. Copyright 2017 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "4.8.0"; +var version = "4.9.0"; var ascending = function(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -567,15 +567,15 @@ var left = 4; var epsilon = 1e-6; function translateX(x) { - return "translate(" + x + ",0)"; + return "translate(" + (x + 0.5) + ",0)"; } function translateY(y) { - return "translate(0," + y + ")"; + return "translate(0," + (y + 0.5) + ")"; } function center(scale) { - var offset = scale.bandwidth() / 2; + var offset = Math.max(0, scale.bandwidth() - 1) / 2; // Adjust for 0.5px offset. if (scale.round()) offset = Math.round(offset); return function(d) { return scale(d) + offset; @@ -594,7 +594,7 @@ function axis(orient, scale) { tickSizeOuter = 6, tickPadding = 3, k = orient === top || orient === left ? -1 : 1, - x, y = orient === left || orient === right ? (x = "x", "y") : (x = "y", "x"), + x = orient === left || orient === right ? "x" : "y", transform = orient === top || orient === bottom ? translateX : translateY; function axis(context) { @@ -621,14 +621,11 @@ function axis(orient, scale) { line = line.merge(tickEnter.append("line") .attr("stroke", "#000") - .attr(x + "2", k * tickSizeInner) - .attr(y + "1", 0.5) - .attr(y + "2", 0.5)); + .attr(x + "2", k * tickSizeInner)); text = text.merge(tickEnter.append("text") .attr("fill", "#000") .attr(x, k * spacing) - .attr(y, 0.5) .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); if (context !== selection) { @@ -1403,7 +1400,7 @@ var selection_attr = function(name, value) { : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); }; -var window = function(node) { +var defaultView = function(node) { return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node || (node.document && node) // node is a Window || node.defaultView; // node is a Document @@ -1430,17 +1427,19 @@ function styleFunction(name, value, priority) { } var selection_style = function(name, value, priority) { - var node; return arguments.length > 1 ? this.each((value == null ? styleRemove : typeof value === "function" ? styleFunction : styleConstant)(name, value, priority == null ? "" : priority)) - : window(node = this.node()) - .getComputedStyle(node, null) - .getPropertyValue(name); + : styleValue(this.node(), name); }; +function styleValue(node, name) { + return node.style.getPropertyValue(name) + || defaultView(node).getComputedStyle(node, null).getPropertyValue(name); +} + function propertyRemove(name) { return function() { delete this[name]; @@ -1649,13 +1648,13 @@ var selection_datum = function(value) { }; function dispatchEvent(node, type, params) { - var window$$1 = window(node), - event = window$$1.CustomEvent; + var window = defaultView(node), + event = window.CustomEvent; - if (event) { + if (typeof event === "function") { event = new event(type, params); } else { - event = window$$1.document.createEvent("Event"); + event = window.document.createEvent("Event"); if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; else event.initEvent(type, false, false); } @@ -1838,8 +1837,11 @@ var drag = function() { gestures = {}, listeners = dispatch("start", "drag", "end"), active = 0, + mousedownx, + mousedowny, mousemoving, - touchending; + touchending, + clickDistance2 = 0; function drag(selection$$1) { selection$$1 @@ -1858,12 +1860,17 @@ var drag = function() { dragDisable(exports.event.view); nopropagation(); mousemoving = false; + mousedownx = exports.event.clientX; + mousedowny = exports.event.clientY; gesture("start"); } function mousemoved() { noevent(); - mousemoving = true; + if (!mousemoving) { + var dx = exports.event.clientX - mousedownx, dy = exports.event.clientY - mousedowny; + mousemoving = dx * dx + dy * dy > clickDistance2; + } gestures.mouse("drag"); } @@ -1953,6 +1960,10 @@ var drag = function() { return value === listeners ? drag : value; }; + drag.clickDistance = function(_) { + return arguments.length ? (clickDistance2 = (_ = +_) * _, drag) : Math.sqrt(clickDistance2); + }; + return drag; }; @@ -2701,7 +2712,7 @@ var interpolateValue = function(a, b) { : b instanceof color ? interpolateRgb : b instanceof Date ? date : Array.isArray(b) ? array$1 - : isNaN(b) ? object + : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object : reinterpolate)(a, b); }; @@ -3664,9 +3675,8 @@ function styleRemove$1(name, interpolate$$2) { value10, interpolate0; return function() { - var style = window(this).getComputedStyle(this, null), - value0 = style.getPropertyValue(name), - value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + var value0 = styleValue(this, name), + value1 = (this.style.removeProperty(name), styleValue(this, name)); return value0 === value1 ? null : value0 === value00 && value1 === value10 ? interpolate0 : interpolate0 = interpolate$$2(value00 = value0, value10 = value1); @@ -3683,7 +3693,7 @@ function styleConstant$1(name, interpolate$$2, value1) { var value00, interpolate0; return function() { - var value0 = window(this).getComputedStyle(this, null).getPropertyValue(name); + var value0 = styleValue(this, name); return value0 === value1 ? null : value0 === value00 ? interpolate0 : interpolate0 = interpolate$$2(value00 = value0, value1); @@ -3695,10 +3705,9 @@ function styleFunction$1(name, interpolate$$2, value) { value10, interpolate0; return function() { - var style = window(this).getComputedStyle(this, null), - value0 = style.getPropertyValue(name), + var value0 = styleValue(this, name), value1 = value(this); - if (value1 == null) value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + if (value1 == null) value1 = (this.style.removeProperty(name), styleValue(this, name)); return value0 === value1 ? null : value0 === value00 && value1 === value10 ? interpolate0 : interpolate0 = interpolate$$2(value00 = value0, value10 = value1); @@ -10966,7 +10975,6 @@ var slice$3 = [].slice; var noabort = {}; function Queue(size) { - if (!(size >= 1)) throw new Error; this._size = size; this._call = this._error = null; @@ -10981,7 +10989,8 @@ function Queue(size) { Queue.prototype = queue.prototype = { constructor: Queue, defer: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; + if (typeof callback !== "function") throw new Error("invalid callback"); + if (this._call) throw new Error("defer after await"); if (this._error != null) return this; var t = slice$3.call(arguments, 1); t.push(callback); @@ -10994,13 +11003,15 @@ Queue.prototype = queue.prototype = { return this; }, await: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; + if (typeof callback !== "function") throw new Error("invalid callback"); + if (this._call) throw new Error("multiple await"); this._call = function(error, results) { callback.apply(null, [error].concat(results)); }; maybeNotify(this); return this; }, awaitAll: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; + if (typeof callback !== "function") throw new Error("invalid callback"); + if (this._call) throw new Error("multiple await"); this._call = callback; maybeNotify(this); return this; @@ -11076,66 +11087,108 @@ function maybeNotify(q) { } function queue(concurrency) { - return new Queue(arguments.length ? +concurrency : Infinity); + if (concurrency == null) concurrency = Infinity; + else if (!((concurrency = +concurrency) >= 1)) throw new Error("invalid concurrency"); + return new Queue(concurrency); } -var uniform = function(min, max) { - min = min == null ? 0 : +min; - max = max == null ? 1 : +max; - if (arguments.length === 1) max = min, min = 0; - else max -= min; - return function() { - return Math.random() * max + min; - }; +var defaultSource$1 = function() { + return Math.random(); }; -var normal = function(mu, sigma) { - var x, r; - mu = mu == null ? 0 : +mu; - sigma = sigma == null ? 1 : +sigma; - return function() { - var y; +var uniform = ((function sourceRandomUniform(source) { + function randomUniform(min, max) { + min = min == null ? 0 : +min; + max = max == null ? 1 : +max; + if (arguments.length === 1) max = min, min = 0; + else max -= min; + return function() { + return source() * max + min; + }; + } - // If available, use the second previously-generated uniform random. - if (x != null) y = x, x = null; + randomUniform.source = sourceRandomUniform; - // Otherwise, generate a new x and y. - else do { - x = Math.random() * 2 - 1; - y = Math.random() * 2 - 1; - r = x * x + y * y; - } while (!r || r > 1); + return randomUniform; +}))(defaultSource$1); - return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); - }; -}; +var normal = ((function sourceRandomNormal(source) { + function randomNormal(mu, sigma) { + var x, r; + mu = mu == null ? 0 : +mu; + sigma = sigma == null ? 1 : +sigma; + return function() { + var y; -var logNormal = function() { - var randomNormal = normal.apply(this, arguments); - return function() { - return Math.exp(randomNormal()); - }; -}; + // If available, use the second previously-generated uniform random. + if (x != null) y = x, x = null; -var irwinHall = function(n) { - return function() { - for (var sum = 0, i = 0; i < n; ++i) sum += Math.random(); - return sum; - }; -}; + // Otherwise, generate a new x and y. + else do { + x = source() * 2 - 1; + y = source() * 2 - 1; + r = x * x + y * y; + } while (!r || r > 1); -var bates = function(n) { - var randomIrwinHall = irwinHall(n); - return function() { - return randomIrwinHall() / n; - }; -}; + return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); + }; + } -var exponential$1 = function(lambda) { - return function() { - return -Math.log(1 - Math.random()) / lambda; - }; -}; + randomNormal.source = sourceRandomNormal; + + return randomNormal; +}))(defaultSource$1); + +var logNormal = ((function sourceRandomLogNormal(source) { + function randomLogNormal() { + var randomNormal = normal.source(source).apply(this, arguments); + return function() { + return Math.exp(randomNormal()); + }; + } + + randomLogNormal.source = sourceRandomLogNormal; + + return randomLogNormal; +}))(defaultSource$1); + +var irwinHall = ((function sourceRandomIrwinHall(source) { + function randomIrwinHall(n) { + return function() { + for (var sum = 0, i = 0; i < n; ++i) sum += source(); + return sum; + }; + } + + randomIrwinHall.source = sourceRandomIrwinHall; + + return randomIrwinHall; +}))(defaultSource$1); + +var bates = ((function sourceRandomBates(source) { + function randomBates(n) { + var randomIrwinHall = irwinHall.source(source)(n); + return function() { + return randomIrwinHall() / n; + }; + } + + randomBates.source = sourceRandomBates; + + return randomBates; +}))(defaultSource$1); + +var exponential$1 = ((function sourceRandomExponential(source) { + function randomExponential(lambda) { + return function() { + return -Math.log(1 - source()) / lambda; + }; + } + + randomExponential.source = sourceRandomExponential; + + return randomExponential; +}))(defaultSource$1); var request = function(url, callback) { var request, @@ -11643,17 +11696,39 @@ function linearish(scale) { }; scale.nice = function(count) { + if (count == null) count = 10; + var d = domain(), - i = d.length - 1, - n = count == null ? 10 : count, - start = d[0], - stop = d[i], - step = tickStep(start, stop, n); - - if (step) { - step = tickStep(Math.floor(start / step) * step, Math.ceil(stop / step) * step, n); - d[0] = Math.floor(start / step) * step; - d[i] = Math.ceil(stop / step) * step; + i0 = 0, + i1 = d.length - 1, + start = d[i0], + stop = d[i1], + step; + + if (stop < start) { + step = start, start = stop, stop = step; + step = i0, i0 = i1, i1 = step; + } + + step = tickIncrement(start, stop, count); + + if (step > 0) { + start = Math.floor(start / step) * step; + stop = Math.ceil(stop / step) * step; + step = tickIncrement(start, stop, count); + } else if (step < 0) { + start = Math.ceil(start * step) / step; + stop = Math.floor(stop * step) / step; + step = tickIncrement(start, stop, count); + } + + if (step > 0) { + d[i0] = Math.floor(start / step) * step; + d[i1] = Math.ceil(stop / step) * step; + domain(d); + } else if (step < 0) { + d[i0] = Math.ceil(start * step) / step; + d[i1] = Math.floor(stop * step) / step; domain(d); } @@ -13718,6 +13793,92 @@ var radialArea = function() { return a; }; +var slice$5 = Array.prototype.slice; + +function linkSource(d) { + return d.source; +} + +function linkTarget(d) { + return d.target; +} + +function link$2(curve) { + var source = linkSource, + target = linkTarget, + x$$1 = x$3, + y$$1 = y$3, + context = null; + + function link() { + var buffer, argv = slice$5.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); + if (!context) context = buffer = path(); + curve(context, +x$$1.apply(this, (argv[0] = s, argv)), +y$$1.apply(this, argv), +x$$1.apply(this, (argv[0] = t, argv)), +y$$1.apply(this, argv)); + if (buffer) return context = null, buffer + "" || null; + } + + link.source = function(_) { + return arguments.length ? (source = _, link) : source; + }; + + link.target = function(_) { + return arguments.length ? (target = _, link) : target; + }; + + link.x = function(_) { + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : x$$1; + }; + + link.y = function(_) { + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : y$$1; + }; + + link.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), link) : context; + }; + + return link; +} + +function curveHorizontal(context, x0, y0, x1, y1) { + context.moveTo(x0, y0); + context.bezierCurveTo(x0 = (x0 + x1) / 2, y0, x0, y1, x1, y1); +} + +function curveVertical(context, x0, y0, x1, y1) { + context.moveTo(x0, y0); + context.bezierCurveTo(x0, y0 = (y0 + y1) / 2, x1, y0, x1, y1); +} + +function curveRadial$1(context, x0, y0, x1, y1) { + var p0 = cartesian$1(x0, y0), + p1 = cartesian$1(x0, y0 = (y0 + y1) / 2), + p2 = cartesian$1(x1, y0), + p3 = cartesian$1(x1, y1); + context.moveTo(p0[0], p0[1]); + context.bezierCurveTo(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]); +} + +function linkHorizontal() { + return link$2(curveHorizontal); +} + +function linkVertical() { + return link$2(curveVertical); +} + +function linkRadial() { + var l = link$2(curveRadial$1); + l.angle = l.x, delete l.x; + l.radius = l.y, delete l.y; + return l; +} + +function cartesian$1(x$$1, y$$1) { + var angle = (x$$1 - 90) / 180 * Math.PI, radius = y$$1; + return [radius * Math.cos(angle), radius * Math.sin(angle)]; +} + var circle$2 = { draw: function(context, size) { var r = Math.sqrt(size / pi$4); @@ -14699,13 +14860,11 @@ function stepAfter(context) { return new Step(context, 1); } -var slice$5 = Array.prototype.slice; - var none$1 = function(series, order) { if (!((n = series.length) > 1)) return; - for (var i = 1, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { + for (var i = 1, j, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { s0 = s1, s1 = series[order[i]]; - for (var j = 0; j < m; ++j) { + for (j = 0; j < m; ++j) { s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; } } @@ -14779,6 +14938,21 @@ var expand = function(series, order) { none$1(series, order); }; +var diverging = function(series, order) { + if (!((n = series.length) > 1)) return; + for (var i, j = 0, d, dy, yp, yn, n, m = series[order[0]].length; j < m; ++j) { + for (yp = yn = 0, i = 0; i < n; ++i) { + if ((dy = (d = series[order[i]][j])[1] - d[0]) >= 0) { + d[0] = yp, d[1] = yp += dy; + } else if (dy < 0) { + d[1] = yn, d[0] = yn += dy; + } else { + d[0] = yp; + } + } + } +}; + var silhouette = function(series, order) { if (!((n = series.length) > 0)) return; for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { @@ -15952,7 +16126,8 @@ var zoom = function() { touchstarting, touchending, touchDelay = 500, - wheelDelay = 150; + wheelDelay = 150, + clickDistance2 = 0; function zoom(selection$$1) { selection$$1 @@ -16142,7 +16317,9 @@ var zoom = function() { if (touchending || !filter.apply(this, arguments)) return; var g = gesture(this, arguments), v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), - p = mouse(this); + p = mouse(this), + x0 = exports.event.clientX, + y0 = exports.event.clientY; dragDisable(exports.event.view); nopropagation$2(); @@ -16152,7 +16329,10 @@ var zoom = function() { function mousemoved() { noevent$2(); - g.moved = true; + if (!g.moved) { + var dx = exports.event.clientX - x0, dy = exports.event.clientY - y0; + g.moved = dx * dx + dy * dy > clickDistance2; + } g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent)); } @@ -16284,6 +16464,10 @@ var zoom = function() { return value === listeners ? zoom : value; }; + zoom.clickDistance = function(_) { + return arguments.length ? (clickDistance2 = (_ = +_) * _, zoom) : Math.sqrt(clickDistance2); + }; + return zoom; }; @@ -16543,9 +16727,10 @@ exports.selectAll = selectAll; exports.selection = selection; exports.selector = selector; exports.selectorAll = selectorAll; +exports.style = styleValue; exports.touch = touch; exports.touches = touches; -exports.window = window; +exports.window = defaultView; exports.customEvent = customEvent; exports.arc = arc; exports.area = area$2; @@ -16553,6 +16738,9 @@ exports.line = line; exports.pie = pie; exports.radialArea = radialArea; exports.radialLine = radialLine$1; +exports.linkHorizontal = linkHorizontal; +exports.linkVertical = linkVertical; +exports.linkRadial = linkRadial; exports.symbol = symbol; exports.symbols = symbols; exports.symbolCircle = circle$2; @@ -16582,6 +16770,7 @@ exports.curveStepAfter = stepAfter; exports.curveStepBefore = stepBefore; exports.stack = stack; exports.stackOffsetExpand = expand; +exports.stackOffsetDiverging = diverging; exports.stackOffsetNone = none$1; exports.stackOffsetSilhouette = silhouette; exports.stackOffsetWiggle = wiggle; diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index 4224fcf..e570c5b 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.8.0. 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o=a(this,arguments),u=Ll(t.event.view).on("mousemove.zoom",n,!0).on("mouseup.zoom",e,!0),c=Jf(this),s=t.event.clientX,f=t.event.clientY;Ol(t.event.view),Ys(),o.mouse=[c,this.__zoom.invert(c)],mp(this),o.start()}}function l(){if(g.apply(this,arguments)){var o=this.__zoom,a=Jf(this),c=o.invert(a),s=o.k*(t.event.shiftKey?.5:2),f=i(r(e(o,s),a,c),m.apply(this,arguments));Zw(),N>0?Ll(this).transition().duration(N).call(u,f,a):Ll(this).call(n.transform,f)}}function h(){if(g.apply(this,arguments)){var n,e,r,i,o=a(this,arguments),u=t.event.changedTouches,c=u.length;for(Ys(),e=0;e b ? 1 : a >= b ? 0 : NaN; @@ -567,15 +567,15 @@ var left = 4; var epsilon = 1e-6; function translateX(x) { - return "translate(" + x + ",0)"; + return "translate(" + (x + 0.5) + ",0)"; } function translateY(y) { - return "translate(0," + y + ")"; + return "translate(0," + (y + 0.5) + ")"; } function center(scale) { - var offset = scale.bandwidth() / 2; + var offset = Math.max(0, scale.bandwidth() - 1) / 2; // Adjust for 0.5px offset. if (scale.round()) offset = Math.round(offset); return function(d) { return scale(d) + offset; @@ -594,7 +594,7 @@ function axis(orient, scale) { tickSizeOuter = 6, tickPadding = 3, k = orient === top || orient === left ? -1 : 1, - x, y = orient === left || orient === right ? (x = "x", "y") : (x = "y", "x"), + x = orient === left || orient === right ? "x" : "y", transform = orient === top || orient === bottom ? translateX : translateY; function axis(context) { @@ -621,14 +621,11 @@ function axis(orient, scale) { line = line.merge(tickEnter.append("line") .attr("stroke", "#000") - .attr(x + "2", k * tickSizeInner) - .attr(y + "1", 0.5) - .attr(y + "2", 0.5)); + .attr(x + "2", k * tickSizeInner)); text = text.merge(tickEnter.append("text") .attr("fill", "#000") .attr(x, k * spacing) - .attr(y, 0.5) .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); if (context !== selection) { @@ -1403,7 +1400,7 @@ var selection_attr = function(name, value) { : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); }; -var window = function(node) { +var defaultView = function(node) { return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node || (node.document && node) // node is a Window || node.defaultView; // node is a Document @@ -1430,17 +1427,19 @@ function styleFunction(name, value, priority) { } var selection_style = function(name, value, priority) { - var node; return arguments.length > 1 ? this.each((value == null ? styleRemove : typeof value === "function" ? styleFunction : styleConstant)(name, value, priority == null ? "" : priority)) - : window(node = this.node()) - .getComputedStyle(node, null) - .getPropertyValue(name); + : styleValue(this.node(), name); }; +function styleValue(node, name) { + return node.style.getPropertyValue(name) + || defaultView(node).getComputedStyle(node, null).getPropertyValue(name); +} + function propertyRemove(name) { return function() { delete this[name]; @@ -1649,13 +1648,13 @@ var selection_datum = function(value) { }; function dispatchEvent(node, type, params) { - var window$$1 = window(node), - event = window$$1.CustomEvent; + var window = defaultView(node), + event = window.CustomEvent; - if (event) { + if (typeof event === "function") { event = new event(type, params); } else { - event = window$$1.document.createEvent("Event"); + event = window.document.createEvent("Event"); if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; else event.initEvent(type, false, false); } @@ -1838,8 +1837,11 @@ var drag = function() { gestures = {}, listeners = dispatch("start", "drag", "end"), active = 0, + mousedownx, + mousedowny, mousemoving, - touchending; + touchending, + clickDistance2 = 0; function drag(selection$$1) { selection$$1 @@ -1858,12 +1860,17 @@ var drag = function() { dragDisable(exports.event.view); nopropagation(); mousemoving = false; + mousedownx = exports.event.clientX; + mousedowny = exports.event.clientY; gesture("start"); } function mousemoved() { noevent(); - mousemoving = true; + if (!mousemoving) { + var dx = exports.event.clientX - mousedownx, dy = exports.event.clientY - mousedowny; + mousemoving = dx * dx + dy * dy > clickDistance2; + } gestures.mouse("drag"); } @@ -1953,6 +1960,10 @@ var drag = function() { return value === listeners ? drag : value; }; + drag.clickDistance = function(_) { + return arguments.length ? (clickDistance2 = (_ = +_) * _, drag) : Math.sqrt(clickDistance2); + }; + return drag; }; @@ -2701,7 +2712,7 @@ var interpolateValue = function(a, b) { : b instanceof color ? interpolateRgb : b instanceof Date ? date : Array.isArray(b) ? array$1 - : isNaN(b) ? object + : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object : reinterpolate)(a, b); }; @@ -3664,9 +3675,8 @@ function styleRemove$1(name, interpolate$$2) { value10, interpolate0; return function() { - var style = window(this).getComputedStyle(this, null), - value0 = style.getPropertyValue(name), - value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + var value0 = styleValue(this, name), + value1 = (this.style.removeProperty(name), styleValue(this, name)); return value0 === value1 ? null : value0 === value00 && value1 === value10 ? interpolate0 : interpolate0 = interpolate$$2(value00 = value0, value10 = value1); @@ -3683,7 +3693,7 @@ function styleConstant$1(name, interpolate$$2, value1) { var value00, interpolate0; return function() { - var value0 = window(this).getComputedStyle(this, null).getPropertyValue(name); + var value0 = styleValue(this, name); return value0 === value1 ? null : value0 === value00 ? interpolate0 : interpolate0 = interpolate$$2(value00 = value0, value1); @@ -3695,10 +3705,9 @@ function styleFunction$1(name, interpolate$$2, value) { value10, interpolate0; return function() { - var style = window(this).getComputedStyle(this, null), - value0 = style.getPropertyValue(name), + var value0 = styleValue(this, name), value1 = value(this); - if (value1 == null) value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); + if (value1 == null) value1 = (this.style.removeProperty(name), styleValue(this, name)); return value0 === value1 ? null : value0 === value00 && value1 === value10 ? interpolate0 : interpolate0 = interpolate$$2(value00 = value0, value10 = value1); @@ -10966,7 +10975,6 @@ var slice$3 = [].slice; var noabort = {}; function Queue(size) { - if (!(size >= 1)) throw new Error; this._size = size; this._call = this._error = null; @@ -10981,7 +10989,8 @@ function Queue(size) { Queue.prototype = queue.prototype = { constructor: Queue, defer: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; + if (typeof callback !== "function") throw new Error("invalid callback"); + if (this._call) throw new Error("defer after await"); if (this._error != null) return this; var t = slice$3.call(arguments, 1); t.push(callback); @@ -10994,13 +11003,15 @@ Queue.prototype = queue.prototype = { return this; }, await: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; + if (typeof callback !== "function") throw new Error("invalid callback"); + if (this._call) throw new Error("multiple await"); this._call = function(error, results) { callback.apply(null, [error].concat(results)); }; maybeNotify(this); return this; }, awaitAll: function(callback) { - if (typeof callback !== "function" || this._call) throw new Error; + if (typeof callback !== "function") throw new Error("invalid callback"); + if (this._call) throw new Error("multiple await"); this._call = callback; maybeNotify(this); return this; @@ -11076,66 +11087,108 @@ function maybeNotify(q) { } function queue(concurrency) { - return new Queue(arguments.length ? +concurrency : Infinity); + if (concurrency == null) concurrency = Infinity; + else if (!((concurrency = +concurrency) >= 1)) throw new Error("invalid concurrency"); + return new Queue(concurrency); } -var uniform = function(min, max) { - min = min == null ? 0 : +min; - max = max == null ? 1 : +max; - if (arguments.length === 1) max = min, min = 0; - else max -= min; - return function() { - return Math.random() * max + min; - }; +var defaultSource$1 = function() { + return Math.random(); }; -var normal = function(mu, sigma) { - var x, r; - mu = mu == null ? 0 : +mu; - sigma = sigma == null ? 1 : +sigma; - return function() { - var y; +var uniform = ((function sourceRandomUniform(source) { + function randomUniform(min, max) { + min = min == null ? 0 : +min; + max = max == null ? 1 : +max; + if (arguments.length === 1) max = min, min = 0; + else max -= min; + return function() { + return source() * max + min; + }; + } - // If available, use the second previously-generated uniform random. - if (x != null) y = x, x = null; + randomUniform.source = sourceRandomUniform; - // Otherwise, generate a new x and y. - else do { - x = Math.random() * 2 - 1; - y = Math.random() * 2 - 1; - r = x * x + y * y; - } while (!r || r > 1); + return randomUniform; +}))(defaultSource$1); - return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); - }; -}; +var normal = ((function sourceRandomNormal(source) { + function randomNormal(mu, sigma) { + var x, r; + mu = mu == null ? 0 : +mu; + sigma = sigma == null ? 1 : +sigma; + return function() { + var y; -var logNormal = function() { - var randomNormal = normal.apply(this, arguments); - return function() { - return Math.exp(randomNormal()); - }; -}; + // If available, use the second previously-generated uniform random. + if (x != null) y = x, x = null; -var irwinHall = function(n) { - return function() { - for (var sum = 0, i = 0; i < n; ++i) sum += Math.random(); - return sum; - }; -}; + // Otherwise, generate a new x and y. + else do { + x = source() * 2 - 1; + y = source() * 2 - 1; + r = x * x + y * y; + } while (!r || r > 1); -var bates = function(n) { - var randomIrwinHall = irwinHall(n); - return function() { - return randomIrwinHall() / n; - }; -}; + return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); + }; + } -var exponential$1 = function(lambda) { - return function() { - return -Math.log(1 - Math.random()) / lambda; - }; -}; + randomNormal.source = sourceRandomNormal; + + return randomNormal; +}))(defaultSource$1); + +var logNormal = ((function sourceRandomLogNormal(source) { + function randomLogNormal() { + var randomNormal = normal.source(source).apply(this, arguments); + return function() { + return Math.exp(randomNormal()); + }; + } + + randomLogNormal.source = sourceRandomLogNormal; + + return randomLogNormal; +}))(defaultSource$1); + +var irwinHall = ((function sourceRandomIrwinHall(source) { + function randomIrwinHall(n) { + return function() { + for (var sum = 0, i = 0; i < n; ++i) sum += source(); + return sum; + }; + } + + randomIrwinHall.source = sourceRandomIrwinHall; + + return randomIrwinHall; +}))(defaultSource$1); + +var bates = ((function sourceRandomBates(source) { + function randomBates(n) { + var randomIrwinHall = irwinHall.source(source)(n); + return function() { + return randomIrwinHall() / n; + }; + } + + randomBates.source = sourceRandomBates; + + return randomBates; +}))(defaultSource$1); + +var exponential$1 = ((function sourceRandomExponential(source) { + function randomExponential(lambda) { + return function() { + return -Math.log(1 - source()) / lambda; + }; + } + + randomExponential.source = sourceRandomExponential; + + return randomExponential; +}))(defaultSource$1); var request = function(url, callback) { var request, @@ -11643,17 +11696,39 @@ function linearish(scale) { }; scale.nice = function(count) { + if (count == null) count = 10; + var d = domain(), - i = d.length - 1, - n = count == null ? 10 : count, - start = d[0], - stop = d[i], - step = tickStep(start, stop, n); - - if (step) { - step = tickStep(Math.floor(start / step) * step, Math.ceil(stop / step) * step, n); - d[0] = Math.floor(start / step) * step; - d[i] = Math.ceil(stop / step) * step; + i0 = 0, + i1 = d.length - 1, + start = d[i0], + stop = d[i1], + step; + + if (stop < start) { + step = start, start = stop, stop = step; + step = i0, i0 = i1, i1 = step; + } + + step = tickIncrement(start, stop, count); + + if (step > 0) { + start = Math.floor(start / step) * step; + stop = Math.ceil(stop / step) * step; + step = tickIncrement(start, stop, count); + } else if (step < 0) { + start = Math.ceil(start * step) / step; + stop = Math.floor(stop * step) / step; + step = tickIncrement(start, stop, count); + } + + if (step > 0) { + d[i0] = Math.floor(start / step) * step; + d[i1] = Math.ceil(stop / step) * step; + domain(d); + } else if (step < 0) { + d[i0] = Math.ceil(start * step) / step; + d[i1] = Math.floor(stop * step) / step; domain(d); } @@ -13718,6 +13793,92 @@ var radialArea = function() { return a; }; +var slice$5 = Array.prototype.slice; + +function linkSource(d) { + return d.source; +} + +function linkTarget(d) { + return d.target; +} + +function link$2(curve) { + var source = linkSource, + target = linkTarget, + x$$1 = x$3, + y$$1 = y$3, + context = null; + + function link() { + var buffer, argv = slice$5.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); + if (!context) context = buffer = path(); + curve(context, +x$$1.apply(this, (argv[0] = s, argv)), +y$$1.apply(this, argv), +x$$1.apply(this, (argv[0] = t, argv)), +y$$1.apply(this, argv)); + if (buffer) return context = null, buffer + "" || null; + } + + link.source = function(_) { + return arguments.length ? (source = _, link) : source; + }; + + link.target = function(_) { + return arguments.length ? (target = _, link) : target; + }; + + link.x = function(_) { + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : x$$1; + }; + + link.y = function(_) { + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : y$$1; + }; + + link.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), link) : context; + }; + + return link; +} + +function curveHorizontal(context, x0, y0, x1, y1) { + context.moveTo(x0, y0); + context.bezierCurveTo(x0 = (x0 + x1) / 2, y0, x0, y1, x1, y1); +} + +function curveVertical(context, x0, y0, x1, y1) { + context.moveTo(x0, y0); + context.bezierCurveTo(x0, y0 = (y0 + y1) / 2, x1, y0, x1, y1); +} + +function curveRadial$1(context, x0, y0, x1, y1) { + var p0 = cartesian$1(x0, y0), + p1 = cartesian$1(x0, y0 = (y0 + y1) / 2), + p2 = cartesian$1(x1, y0), + p3 = cartesian$1(x1, y1); + context.moveTo(p0[0], p0[1]); + context.bezierCurveTo(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]); +} + +function linkHorizontal() { + return link$2(curveHorizontal); +} + +function linkVertical() { + return link$2(curveVertical); +} + +function linkRadial() { + var l = link$2(curveRadial$1); + l.angle = l.x, delete l.x; + l.radius = l.y, delete l.y; + return l; +} + +function cartesian$1(x$$1, y$$1) { + var angle = (x$$1 - 90) / 180 * Math.PI, radius = y$$1; + return [radius * Math.cos(angle), radius * Math.sin(angle)]; +} + var circle$2 = { draw: function(context, size) { var r = Math.sqrt(size / pi$4); @@ -14699,13 +14860,11 @@ function stepAfter(context) { return new Step(context, 1); } -var slice$5 = Array.prototype.slice; - var none$1 = function(series, order) { if (!((n = series.length) > 1)) return; - for (var i = 1, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { + for (var i = 1, j, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { s0 = s1, s1 = series[order[i]]; - for (var j = 0; j < m; ++j) { + for (j = 0; j < m; ++j) { s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; } } @@ -14779,6 +14938,21 @@ var expand = function(series, order) { none$1(series, order); }; +var diverging = function(series, order) { + if (!((n = series.length) > 1)) return; + for (var i, j = 0, d, dy, yp, yn, n, m = series[order[0]].length; j < m; ++j) { + for (yp = yn = 0, i = 0; i < n; ++i) { + if ((dy = (d = series[order[i]][j])[1] - d[0]) >= 0) { + d[0] = yp, d[1] = yp += dy; + } else if (dy < 0) { + d[1] = yn, d[0] = yn += dy; + } else { + d[0] = yp; + } + } + } +}; + var silhouette = function(series, order) { if (!((n = series.length) > 0)) return; for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { @@ -15952,7 +16126,8 @@ var zoom = function() { touchstarting, touchending, touchDelay = 500, - wheelDelay = 150; + wheelDelay = 150, + clickDistance2 = 0; function zoom(selection$$1) { selection$$1 @@ -16142,7 +16317,9 @@ var zoom = function() { if (touchending || !filter.apply(this, arguments)) return; var g = gesture(this, arguments), v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), - p = mouse(this); + p = mouse(this), + x0 = exports.event.clientX, + y0 = exports.event.clientY; dragDisable(exports.event.view); nopropagation$2(); @@ -16152,7 +16329,10 @@ var zoom = function() { function mousemoved() { noevent$2(); - g.moved = true; + if (!g.moved) { + var dx = exports.event.clientX - x0, dy = exports.event.clientY - y0; + g.moved = dx * dx + dy * dy > clickDistance2; + } g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent)); } @@ -16284,6 +16464,10 @@ var zoom = function() { return value === listeners ? zoom : value; }; + zoom.clickDistance = function(_) { + return arguments.length ? (clickDistance2 = (_ = +_) * _, zoom) : Math.sqrt(clickDistance2); + }; + return zoom; }; @@ -16543,9 +16727,10 @@ exports.selectAll = selectAll; exports.selection = selection; exports.selector = selector; exports.selectorAll = selectorAll; +exports.style = styleValue; exports.touch = touch; exports.touches = touches; -exports.window = window; +exports.window = defaultView; exports.customEvent = customEvent; exports.arc = arc; exports.area = area$2; @@ -16553,6 +16738,9 @@ exports.line = line; exports.pie = pie; exports.radialArea = radialArea; exports.radialLine = radialLine$1; +exports.linkHorizontal = linkHorizontal; +exports.linkVertical = linkVertical; +exports.linkRadial = linkRadial; exports.symbol = symbol; exports.symbols = symbols; exports.symbolCircle = circle$2; @@ -16582,6 +16770,7 @@ exports.curveStepAfter = stepAfter; exports.curveStepBefore = stepBefore; exports.stack = stack; exports.stackOffsetExpand = expand; +exports.stackOffsetDiverging = diverging; exports.stackOffsetNone = none$1; exports.stackOffsetSilhouette = silhouette; exports.stackOffsetWiggle = wiggle; diff --git a/app/assets/javascripts/d3.v4.min.js b/app/assets/javascripts/d3.v4.min.js index 4224fcf..e570c5b 100644 --- a/app/assets/javascripts/d3.v4.min.js +++ b/app/assets/javascripts/d3.v4.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.8.0. 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Mon Sep 17 00:00:00 2001 From: Stuart Swindells Date: Sun, 11 Jun 2017 21:38:40 +0000 Subject: [PATCH 26/42] Update to d3 v4.9.1 --- CHANGELOG.md | 3 +++ README.md | 2 +- app/assets/javascripts/d3.js | 30 ++++++++++++++++------------- app/assets/javascripts/d3.min.js | 16 +++++++-------- app/assets/javascripts/d3.v4.js | 30 ++++++++++++++++------------- app/assets/javascripts/d3.v4.min.js | 16 +++++++-------- lib/d3/rails/version.rb | 2 +- 7 files changed, 55 insertions(+), 44 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 389fee1..6043531 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## 4.9.1 (16 May 2017) +* Upgrade D3 to 4.9.1 + ## 4.9.0 (15 May 2017) * Upgrade D3 to 4.9.0 diff --git a/README.md b/README.md index 91265a1..823b59c 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 4.9.0 of D3.js. The d3-rails version will +d3-rails comes with version 4.9.1 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index 393fd0d..2c4aa86 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,11 +1,11 @@ -// https://d3js.org Version 4.9.0. Copyright 2017 Mike Bostock. +// https://d3js.org Version 4.9.1. Copyright 2017 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "4.9.0"; +var version = "4.9.1"; var ascending = function(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -8375,9 +8375,11 @@ function PathString() { } PathString.prototype = { + _radius: 4.5, _circle: circle$1(4.5), pointRadius: function(_) { - return this._circle = circle$1(_), this; + if ((_ = +_) !== this._radius) this._radius = _, this._circle = null; + return this; }, polygonStart: function() { this._line = 0; @@ -8404,6 +8406,7 @@ PathString.prototype = { break; } default: { + if (this._circle == null) this._circle = circle$1(this._radius); this._string.push("M", x, ",", y, this._circle); break; } @@ -8414,6 +8417,8 @@ PathString.prototype = { var result = this._string.join(""); this._string = []; return result; + } else { + return null; } } }; @@ -8738,7 +8743,7 @@ var clipCircle = function(radius, delta) { // TODO ignore if not clipping polygons. if (v !== v0) { point2 = intersect(point0, point1); - if (pointEqual(point0, point2) || pointEqual(point1, point2)) { + if (!point2 || pointEqual(point0, point2) || pointEqual(point1, point2)) { point1[0] += epsilon$2; point1[1] += epsilon$2; v = visible(point1[0], point1[1]); @@ -13795,6 +13800,10 @@ var radialArea = function() { var slice$5 = Array.prototype.slice; +var radialPoint = function(x, y) { + return [(y = +y) * Math.cos(x -= Math.PI / 2), y * Math.sin(x)]; +}; + function linkSource(d) { return d.source; } @@ -13851,10 +13860,10 @@ function curveVertical(context, x0, y0, x1, y1) { } function curveRadial$1(context, x0, y0, x1, y1) { - var p0 = cartesian$1(x0, y0), - p1 = cartesian$1(x0, y0 = (y0 + y1) / 2), - p2 = cartesian$1(x1, y0), - p3 = cartesian$1(x1, y1); + var p0 = radialPoint(x0, y0), + p1 = radialPoint(x0, y0 = (y0 + y1) / 2), + p2 = radialPoint(x1, y0), + p3 = radialPoint(x1, y1); context.moveTo(p0[0], p0[1]); context.bezierCurveTo(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]); } @@ -13874,11 +13883,6 @@ function linkRadial() { return l; } -function cartesian$1(x$$1, y$$1) { - var angle = (x$$1 - 90) / 180 * Math.PI, radius = y$$1; - return [radius * Math.cos(angle), radius * Math.sin(angle)]; -} - var circle$2 = { draw: function(context, size) { var r = Math.sqrt(size / pi$4); diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index e570c5b..8a0709b 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.9.0. 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(this._circle == null) this._circle = circle$1(this._radius); this._string.push("M", x, ",", y, this._circle); break; } @@ -8414,6 +8417,8 @@ PathString.prototype = { var result = this._string.join(""); this._string = []; return result; + } else { + return null; } } }; @@ -8738,7 +8743,7 @@ var clipCircle = function(radius, delta) { // TODO ignore if not clipping polygons. if (v !== v0) { point2 = intersect(point0, point1); - if (pointEqual(point0, point2) || pointEqual(point1, point2)) { + if (!point2 || pointEqual(point0, point2) || pointEqual(point1, point2)) { point1[0] += epsilon$2; point1[1] += epsilon$2; v = visible(point1[0], point1[1]); @@ -13795,6 +13800,10 @@ var radialArea = function() { var slice$5 = Array.prototype.slice; +var radialPoint = function(x, y) { + return [(y = +y) * Math.cos(x -= Math.PI / 2), y * Math.sin(x)]; +}; + function linkSource(d) { return d.source; } @@ -13851,10 +13860,10 @@ function curveVertical(context, x0, y0, x1, y1) { } function curveRadial$1(context, x0, y0, x1, y1) { - var p0 = cartesian$1(x0, y0), - p1 = cartesian$1(x0, y0 = (y0 + y1) / 2), - p2 = cartesian$1(x1, y0), - p3 = cartesian$1(x1, y1); + var p0 = radialPoint(x0, y0), + p1 = radialPoint(x0, y0 = (y0 + y1) / 2), + p2 = radialPoint(x1, y0), + p3 = radialPoint(x1, y1); context.moveTo(p0[0], p0[1]); context.bezierCurveTo(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]); } @@ -13874,11 +13883,6 @@ function linkRadial() { return l; } -function cartesian$1(x$$1, y$$1) { - var angle = (x$$1 - 90) / 180 * Math.PI, radius = y$$1; - return [radius * Math.cos(angle), radius * Math.sin(angle)]; -} - var circle$2 = { draw: function(context, size) { var r = Math.sqrt(size / pi$4); diff --git a/app/assets/javascripts/d3.v4.min.js b/app/assets/javascripts/d3.v4.min.js index e570c5b..8a0709b 100644 --- a/app/assets/javascripts/d3.v4.min.js +++ b/app/assets/javascripts/d3.v4.min.js @@ -1,8 +1,8 @@ -// https://d3js.org Version 4.9.0. 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c=t-a[0],s=n-a[1],l=c*c+s*s;le?(e+r)/2:Math.min(0,e)||Math.max(0,r),o>i?(i+o)/2:Math.min(0,i)||Math.max(0,o))}function o(t){return[(+t[0][0]+ +t[1][0])/2,(+t[0][1]+ +t[1][1])/2]}function u(t,n,e){t.on("start.zoom",function(){a(this,arguments).start()}).on("interrupt.zoom end.zoom",function(){a(this,arguments).end()}).tween("zoom",function(){var t=this,r=arguments,i=a(t,r),u=m.apply(t,r),c=e||o(u),s=Math.max(u[1][0]-u[0][0],u[1][1]-u[0][1]),f=t.__zoom,l="function"==typeof n?n.apply(t,r):n,h=S(f.invert(c).concat(s/f.k),l.invert(c).concat(s/l.k));return function(t){if(1===t)t=l;else{var n=h(t),e=s/n[2];t=new Os(e,c[0]-n[0]*e,c[1]-n[1]*e)}i.zoom(null,t)}})}function a(t,n){for(var e,r=0,i=E.length;rL}o.zoom("mouse",i(r(o.that.__zoom,o.mouse[0]=Gf(o.that),o.mouse[1]),o.extent))}function e(){u.on("mousemove.zoom mouseup.zoom",null),mt(t.event.view,o.moved),Zw(),o.end()}if(!y&&g.apply(this,arguments)){var o=a(this,arguments),u=Pl(t.event.view).on("mousemove.zoom",n,!0).on("mouseup.zoom",e,!0),c=Gf(this),s=t.event.clientX,f=t.event.clientY;Dl(t.event.view),Is(),o.mouse=[c,this.__zoom.invert(c)],gp(this),o.start()}}function l(){if(g.apply(this,arguments)){var o=this.__zoom,a=Gf(this),c=o.invert(a),s=o.k*(t.event.shiftKey?.5:2),f=i(r(e(o,s),a,c),m.apply(this,arguments));Zw(),N>0?Pl(this).transition().duration(N).call(u,f,a):Pl(this).call(n.transform,f)}}function h(){if(g.apply(this,arguments)){var n,e,r,i,o=a(this,arguments),u=t.event.changedTouches,c=u.length;for(Is(),e=0;e Date: Wed, 19 Jul 2017 16:05:18 +0200 Subject: [PATCH 27/42] Update to D3 4.10.0 --- CHANGELOG.md | 3 + README.md | 2 +- app/assets/javascripts/d3.js | 794 +++++++++++++++------------- app/assets/javascripts/d3.min.js | 10 +- app/assets/javascripts/d3.v4.js | 794 +++++++++++++++------------- app/assets/javascripts/d3.v4.min.js | 10 +- lib/d3/rails/version.rb | 2 +- 7 files changed, 847 insertions(+), 768 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 6043531..4bc8c3e 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## 4.10.0(19 Jul 2017) +* Upgrade D3 to 4.10.0 + ## 4.9.1 (16 May 2017) * Upgrade D3 to 4.9.1 diff --git a/README.md b/README.md index 823b59c..7df12d6 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 4.9.1 of D3.js. The d3-rails version will +d3-rails comes with version 4.10.0 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index 2c4aa86..50c0f58 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,11 +1,11 @@ -// https://d3js.org Version 4.9.1. Copyright 2017 Mike Bostock. +// https://d3js.org Version 4.10.0. Copyright 2017 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "4.9.1"; +var version = "4.10.0"; var ascending = function(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -574,11 +574,17 @@ function translateY(y) { return "translate(0," + (y + 0.5) + ")"; } +function number$1(scale) { + return function(d) { + return +scale(d); + }; +} + function center(scale) { var offset = Math.max(0, scale.bandwidth() - 1) / 2; // Adjust for 0.5px offset. if (scale.round()) offset = Math.round(offset); return function(d) { - return scale(d) + offset; + return +scale(d) + offset; }; } @@ -602,9 +608,9 @@ function axis(orient, scale) { format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$1) : tickFormat, spacing = Math.max(tickSizeInner, 0) + tickPadding, range = scale.range(), - range0 = range[0] + 0.5, - range1 = range[range.length - 1] + 0.5, - position = (scale.bandwidth ? center : identity$1)(scale.copy()), + range0 = +range[0] + 0.5, + range1 = +range[range.length - 1] + 0.5, + position = (scale.bandwidth ? center : number$1)(scale.copy()), selection = context.selection ? context.selection() : context, path = selection.selectAll(".domain").data([null]), tick = selection.selectAll(".tick").data(values, scale).order(), @@ -1244,9 +1250,9 @@ var selection_exit = function() { return new Selection(this._exit || this._groups.map(sparse), this._parents); }; -var selection_merge = function(selection) { +var selection_merge = function(selection$$1) { - for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var groups0 = this._groups, groups1 = selection$$1._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { if (node = group0[i] || group1[i]) { merge[i] = node; @@ -1830,6 +1836,10 @@ function defaultSubject(d) { return d == null ? {x: exports.event.x, y: exports.event.y} : d; } +function touchable() { + return "ontouchstart" in this; +} + var drag = function() { var filter = defaultFilter$1, container = defaultContainer, @@ -1843,12 +1853,14 @@ var drag = function() { touchending, clickDistance2 = 0; - function drag(selection$$1) { - selection$$1 + function drag(selection) { + selection .on("mousedown.drag", mousedowned) + .filter(touchable) .on("touchstart.drag", touchstarted) .on("touchmove.drag", touchmoved) .on("touchend.drag touchcancel.drag", touchended) + .style("touch-action", "none") .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); } @@ -2539,7 +2551,7 @@ function nogamma(a, b) { return d ? linear(a, d) : constant$3(isNaN(a) ? b : a); } -var interpolateRgb = ((function rgbGamma(y) { +var interpolateRgb = (function rgbGamma(y) { var color$$1 = gamma(y); function rgb$$1(start, end) { @@ -2559,7 +2571,7 @@ var interpolateRgb = ((function rgbGamma(y) { rgb$$1.gamma = rgbGamma; return rgb$$1; -}))(1); +})(1); function rgbSpline(spline) { return function(colors) { @@ -2994,7 +3006,7 @@ var clockLast = 0; var clockNow = 0; var clockSkew = 0; var clock = typeof performance === "object" && performance.now ? performance : Date; -var setFrame = typeof requestAnimationFrame === "function" ? requestAnimationFrame : function(f) { setTimeout(f, 17); }; +var setFrame = typeof window === "object" && window.requestAnimationFrame ? window.requestAnimationFrame.bind(window) : function(f) { setTimeout(f, 17); }; function now() { return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew); @@ -3272,7 +3284,7 @@ function create(node, id, self) { var interrupt = function(node, name) { var schedules = node.__transition, - schedule, + schedule$$1, active, empty = true, i; @@ -3282,11 +3294,11 @@ var interrupt = function(node, name) { name = name == null ? null : name + ""; for (i in schedules) { - if ((schedule = schedules[i]).name !== name) { empty = false; continue; } - active = schedule.state > STARTING && schedule.state < ENDING; - schedule.state = ENDED; - schedule.timer.stop(); - if (active) schedule.on.call("interrupt", node, node.__data__, schedule.index, schedule.group); + if ((schedule$$1 = schedules[i]).name !== name) { empty = false; continue; } + active = schedule$$1.state > STARTING && schedule$$1.state < ENDING; + schedule$$1.state = ENDED; + schedule$$1.timer.stop(); + if (active) schedule$$1.on.call("interrupt", node, node.__data__, schedule$$1.index, schedule$$1.group); delete schedules[i]; } @@ -3302,8 +3314,8 @@ var selection_interrupt = function(name) { function tweenRemove(id, name) { var tween0, tween1; return function() { - var schedule = set$1(this, id), - tween = schedule.tween; + var schedule$$1 = set$1(this, id), + tween = schedule$$1.tween; // If this node shared tween with the previous node, // just assign the updated shared tween and we’re done! @@ -3319,7 +3331,7 @@ function tweenRemove(id, name) { } } - schedule.tween = tween1; + schedule$$1.tween = tween1; }; } @@ -3327,8 +3339,8 @@ function tweenFunction(id, name, value) { var tween0, tween1; if (typeof value !== "function") throw new Error; return function() { - var schedule = set$1(this, id), - tween = schedule.tween; + var schedule$$1 = set$1(this, id), + tween = schedule$$1.tween; // If this node shared tween with the previous node, // just assign the updated shared tween and we’re done! @@ -3344,7 +3356,7 @@ function tweenFunction(id, name, value) { if (i === n) tween1.push(t); } - schedule.tween = tween1; + schedule$$1.tween = tween1; }; } @@ -3370,8 +3382,8 @@ function tweenValue(transition, name, value) { var id = transition._id; transition.each(function() { - var schedule = set$1(this, id); - (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); + var schedule$$1 = set$1(this, id); + (schedule$$1.value || (schedule$$1.value = {}))[name] = value.apply(this, arguments); }); return function(node) { @@ -3379,7 +3391,7 @@ function tweenValue(transition, name, value) { }; } -var interpolate$$1 = function(a, b) { +var interpolate = function(a, b) { var c; return (typeof b === "number" ? reinterpolate : b instanceof color ? interpolateRgb @@ -3450,7 +3462,7 @@ function attrFunctionNS$1(fullname, interpolate$$1, value) { } var transition_attr = function(name, value) { - var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate$$1; + var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate; return this.attrTween(name, typeof value === "function" ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) @@ -3561,10 +3573,10 @@ var transition_filter = function(match) { return new Transition(subgroups, this._parents, this._name, this._id); }; -var transition_merge = function(transition) { - if (transition._id !== this._id) throw new Error; +var transition_merge = function(transition$$1) { + if (transition$$1._id !== this._id) throw new Error; - for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var groups0 = this._groups, groups1 = transition$$1._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { if (node = group0[i] || group1[i]) { merge[i] = node; @@ -3590,15 +3602,15 @@ function start(name) { function onFunction(id, name, listener) { var on0, on1, sit = start(name) ? init : set$1; return function() { - var schedule = sit(this, id), - on = schedule.on; + var schedule$$1 = sit(this, id), + on = schedule$$1.on; // If this node shared a dispatch with the previous node, // just assign the updated shared dispatch and we’re done! // Otherwise, copy-on-write. if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener); - schedule.on = on1; + schedule$$1.on = on1; }; } @@ -3670,7 +3682,7 @@ var transition_selection = function() { return new Selection$1(this._groups, this._parents); }; -function styleRemove$1(name, interpolate$$2) { +function styleRemove$1(name, interpolate$$1) { var value00, value10, interpolate0; @@ -3679,7 +3691,7 @@ function styleRemove$1(name, interpolate$$2) { value1 = (this.style.removeProperty(name), styleValue(this, name)); return value0 === value1 ? null : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$2(value00 = value0, value10 = value1); + : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); }; } @@ -3689,18 +3701,18 @@ function styleRemoveEnd(name) { }; } -function styleConstant$1(name, interpolate$$2, value1) { +function styleConstant$1(name, interpolate$$1, value1) { var value00, interpolate0; return function() { var value0 = styleValue(this, name); return value0 === value1 ? null : value0 === value00 ? interpolate0 - : interpolate0 = interpolate$$2(value00 = value0, value1); + : interpolate0 = interpolate$$1(value00 = value0, value1); }; } -function styleFunction$1(name, interpolate$$2, value) { +function styleFunction$1(name, interpolate$$1, value) { var value00, value10, interpolate0; @@ -3710,12 +3722,12 @@ function styleFunction$1(name, interpolate$$2, value) { if (value1 == null) value1 = (this.style.removeProperty(name), styleValue(this, name)); return value0 === value1 ? null : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$2(value00 = value0, value10 = value1); + : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); }; } var transition_style = function(name, value, priority) { - var i = (name += "") === "transform" ? interpolateTransformCss : interpolate$$1; + var i = (name += "") === "transform" ? interpolateTransformCss : interpolate; return value == null ? this .styleTween(name, styleRemove$1(name, i)) .on("end.style." + name, styleRemoveEnd(name)) @@ -4086,13 +4098,13 @@ var root$1 = [null]; var active = function(node, name) { var schedules = node.__transition, - schedule, + schedule$$1, i; if (schedules) { name = name == null ? null : name + ""; for (i in schedules) { - if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { + if ((schedule$$1 = schedules[i]).state > SCHEDULED && schedule$$1.name === name) { return new Transition([[node]], root$1, name, +i); } } @@ -4301,7 +4313,7 @@ function brush$1(dim) { .on("mousedown.brush touchstart.brush", started); } - brush.move = function(group, selection$$1) { + brush.move = function(group, selection) { if (group.selection) { group .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) @@ -4311,7 +4323,7 @@ function brush$1(dim) { state = that.__brush, emit = emitter(that, arguments), selection0 = state.selection, - selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(this, arguments) : selection$$1, state.extent), + selection1 = dim.input(typeof selection === "function" ? selection.apply(this, arguments) : selection, state.extent), i = interpolateValue(selection0, selection1); function tween(t) { @@ -4328,7 +4340,7 @@ function brush$1(dim) { var that = this, args = arguments, state = that.__brush, - selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(that, args) : selection$$1, state.extent), + selection1 = dim.input(typeof selection === "function" ? selection.apply(that, args) : selection, state.extent), emit = emitter(that, args).beforestart(); interrupt(that); @@ -4341,22 +4353,22 @@ function brush$1(dim) { function redraw() { var group = select(this), - selection$$1 = local$$1(this).selection; + selection = local$$1(this).selection; - if (selection$$1) { + if (selection) { group.selectAll(".selection") .style("display", null) - .attr("x", selection$$1[0][0]) - .attr("y", selection$$1[0][1]) - .attr("width", selection$$1[1][0] - selection$$1[0][0]) - .attr("height", selection$$1[1][1] - selection$$1[0][1]); + .attr("x", selection[0][0]) + .attr("y", selection[0][1]) + .attr("width", selection[1][0] - selection[0][0]) + .attr("height", selection[1][1] - selection[0][1]); group.selectAll(".handle") .style("display", null) - .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection$$1[1][0] - handleSize / 2 : selection$$1[0][0] - handleSize / 2; }) - .attr("y", function(d) { return d.type[0] === "s" ? selection$$1[1][1] - handleSize / 2 : selection$$1[0][1] - handleSize / 2; }) - .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection$$1[1][0] - selection$$1[0][0] + handleSize : handleSize; }) - .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection$$1[1][1] - selection$$1[0][1] + handleSize : handleSize; }); + .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection[1][0] - handleSize / 2 : selection[0][0] - handleSize / 2; }) + .attr("y", function(d) { return d.type[0] === "s" ? selection[1][1] - handleSize / 2 : selection[0][1] - handleSize / 2; }) + .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection[1][0] - selection[0][0] + handleSize : handleSize; }) + .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection[1][1] - selection[0][1] + handleSize : handleSize; }); } else { @@ -4414,7 +4426,7 @@ function brush$1(dim) { signY = dim === X ? null : signsY[type], state = local$$1(that), extent = state.extent, - selection$$1 = state.selection, + selection = state.selection, W = extent[0][0], w0, w1, N = extent[0][1], n0, n1, E = extent[1][0], e0, e1, @@ -4430,15 +4442,15 @@ function brush$1(dim) { emit = emitter(that, arguments).beforestart(); if (type === "overlay") { - state.selection = selection$$1 = [ + state.selection = selection = [ [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] ]; } else { - w0 = selection$$1[0][0]; - n0 = selection$$1[0][1]; - e0 = selection$$1[1][0]; - s0 = selection$$1[1][1]; + w0 = selection[0][0]; + n0 = selection[0][1]; + e0 = selection[1][0]; + s0 = selection[1][1]; } w1 = w0; @@ -4524,14 +4536,14 @@ function brush$1(dim) { if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); } - if (state.selection) selection$$1 = state.selection; // May be set by brush.move! - if (lockX) w1 = selection$$1[0][0], e1 = selection$$1[1][0]; - if (lockY) n1 = selection$$1[0][1], s1 = selection$$1[1][1]; + if (state.selection) selection = state.selection; // May be set by brush.move! + if (lockX) w1 = selection[0][0], e1 = selection[1][0]; + if (lockY) n1 = selection[0][1], s1 = selection[1][1]; - if (selection$$1[0][0] !== w1 - || selection$$1[0][1] !== n1 - || selection$$1[1][0] !== e1 - || selection$$1[1][1] !== s1) { + if (selection[0][0] !== w1 + || selection[0][1] !== n1 + || selection[1][0] !== e1 + || selection[1][1] !== s1) { state.selection = [[w1, n1], [e1, s1]]; redraw.call(that); emit.brush(); @@ -4551,8 +4563,8 @@ function brush$1(dim) { } group.attr("pointer-events", "all"); overlay.attr("cursor", cursors.overlay); - if (state.selection) selection$$1 = state.selection; // May be set by brush.move (on start)! - if (empty(selection$$1)) state.selection = null, redraw.call(that); + if (state.selection) selection = state.selection; // May be set by brush.move (on start)! + if (empty(selection)) state.selection = null, redraw.call(that); emit.end(); } @@ -5081,10 +5093,10 @@ var nest = function() { nest; function apply(array, depth, createResult, setResult) { - if (depth >= keys.length) return rollup != null - ? rollup(array) : (sortValues != null - ? array.sort(sortValues) - : array); + if (depth >= keys.length) { + if (sortValues != null) array.sort(sortValues); + return rollup != null ? rollup(array) : array; + } var i = -1, n = array.length, @@ -6189,17 +6201,17 @@ var manyBody = function() { } function accumulate(quad) { - var strength = 0, q, c, x$$1, y$$1, i; + var strength = 0, q, c, x, y, i; // For internal nodes, accumulate forces from child quadrants. if (quad.length) { - for (x$$1 = y$$1 = i = 0; i < 4; ++i) { + for (x = y = i = 0; i < 4; ++i) { if ((q = quad[i]) && (c = q.value)) { - strength += c, x$$1 += c * q.x, y$$1 += c * q.y; + strength += c, x += c * q.x, y += c * q.y; } } - quad.x = x$$1 / strength; - quad.y = y$$1 / strength; + quad.x = x / strength; + quad.y = y / strength; } // For leaf nodes, accumulate forces from coincident quadrants. @@ -6217,20 +6229,20 @@ var manyBody = function() { function apply(quad, x1, _, x2) { if (!quad.value) return true; - var x$$1 = quad.x - node.x, - y$$1 = quad.y - node.y, + var x = quad.x - node.x, + y = quad.y - node.y, w = x2 - x1, - l = x$$1 * x$$1 + y$$1 * y$$1; + l = x * x + y * y; // Apply the Barnes-Hut approximation if possible. // Limit forces for very close nodes; randomize direction if coincident. if (w * w / theta2 < l) { if (l < distanceMax2) { - if (x$$1 === 0) x$$1 = jiggle(), l += x$$1 * x$$1; - if (y$$1 === 0) y$$1 = jiggle(), l += y$$1 * y$$1; + if (x === 0) x = jiggle(), l += x * x; + if (y === 0) y = jiggle(), l += y * y; if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); - node.vx += x$$1 * quad.value * alpha / l; - node.vy += y$$1 * quad.value * alpha / l; + node.vx += x * quad.value * alpha / l; + node.vy += y * quad.value * alpha / l; } return true; } @@ -6240,15 +6252,15 @@ var manyBody = function() { // Limit forces for very close nodes; randomize direction if coincident. if (quad.data !== node || quad.next) { - if (x$$1 === 0) x$$1 = jiggle(), l += x$$1 * x$$1; - if (y$$1 === 0) y$$1 = jiggle(), l += y$$1 * y$$1; + if (x === 0) x = jiggle(), l += x * x; + if (y === 0) y = jiggle(), l += y * y; if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); } do if (quad.data !== node) { w = strengths[quad.data.index] * alpha / l; - node.vx += x$$1 * w; - node.vy += y$$1 * w; + node.vx += x * w; + node.vy += y * w; } while (quad = quad.next); } @@ -9485,7 +9497,7 @@ function scaleTranslate(kx, ky, tx, ty) { } var identity$5 = function() { - var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, transform = identity$4, // scale, translate and reflect + var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, transform$$1 = identity$4, // scale, translate and reflect x0 = null, y0, x1, y1, clip = identity$4, // clip extent cache, cacheStream, @@ -9498,22 +9510,22 @@ var identity$5 = function() { return projection = { stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = transform(clip(cacheStream = stream)); + return cache && cacheStream === stream ? cache : cache = transform$$1(clip(cacheStream = stream)); }, clipExtent: function(_) { return arguments.length ? (clip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; }, scale: function(_) { - return arguments.length ? (transform = scaleTranslate((k = +_) * sx, k * sy, tx, ty), reset()) : k; + return arguments.length ? (transform$$1 = scaleTranslate((k = +_) * sx, k * sy, tx, ty), reset()) : k; }, translate: function(_) { - return arguments.length ? (transform = scaleTranslate(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; + return arguments.length ? (transform$$1 = scaleTranslate(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; }, reflectX: function(_) { - return arguments.length ? (transform = scaleTranslate(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0; + return arguments.length ? (transform$$1 = scaleTranslate(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0; }, reflectY: function(_) { - return arguments.length ? (transform = scaleTranslate(k * sx, k * (sy = _ ? -1 : 1), tx, ty), reset()) : sy < 0; + return arguments.length ? (transform$$1 = scaleTranslate(k * sx, k * (sy = _ ? -1 : 1), tx, ty), reset()) : sy < 0; }, fitExtent: function(extent, object) { return fitExtent(projection, extent, object); @@ -9866,83 +9878,92 @@ Node.prototype = hierarchy.prototype = { copy: node_copy }; -function Node$2(value) { - this._ = value; - this.next = null; -} +var slice$3 = Array.prototype.slice; -var shuffle$1 = function(array) { - var i, - n = (array = array.slice()).length, - head = null, - node = head; +function shuffle$1(array) { + var m = array.length, + t, + i; - while (n) { - var next = new Node$2(array[n - 1]); - if (node) node = node.next = next; - else node = head = next; - array[i] = array[--n]; + while (m) { + i = Math.random() * m-- | 0; + t = array[m]; + array[m] = array[i]; + array[i] = t; } - return { - head: head, - tail: node - }; -}; + return array; +} var enclose = function(circles) { - return encloseN(shuffle$1(circles), []); + var i = 0, n = (circles = shuffle$1(slice$3.call(circles))).length, B = [], p, e; + + while (i < n) { + p = circles[i]; + if (e && enclosesWeak(e, p)) ++i; + else e = encloseBasis(B = extendBasis(B, p)), i = 0; + } + + return e; }; -function encloses(a, b) { - var dx = b.x - a.x, - dy = b.y - a.y, - dr = a.r - b.r; - return dr * dr + 1e-6 > dx * dx + dy * dy; -} +function extendBasis(B, p) { + var i, j; -// Returns the smallest circle that contains circles L and intersects circles B. -function encloseN(L, B) { - var circle, - l0 = null, - l1 = L.head, - l2, - p1; + if (enclosesWeakAll(p, B)) return [p]; - switch (B.length) { - case 1: circle = enclose1(B[0]); break; - case 2: circle = enclose2(B[0], B[1]); break; - case 3: circle = enclose3(B[0], B[1], B[2]); break; + // If we get here then B must have at least one element. + for (i = 0; i < B.length; ++i) { + if (enclosesNot(p, B[i]) + && enclosesWeakAll(encloseBasis2(B[i], p), B)) { + return [B[i], p]; + } } - while (l1) { - p1 = l1._, l2 = l1.next; - if (!circle || !encloses(circle, p1)) { + // If we get here then B must have at least two elements. + for (i = 0; i < B.length - 1; ++i) { + for (j = i + 1; j < B.length; ++j) { + if (enclosesNot(encloseBasis2(B[i], B[j]), p) + && enclosesNot(encloseBasis2(B[i], p), B[j]) + && enclosesNot(encloseBasis2(B[j], p), B[i]) + && enclosesWeakAll(encloseBasis3(B[i], B[j], p), B)) { + return [B[i], B[j], p]; + } + } + } - // Temporarily truncate L before l1. - if (l0) L.tail = l0, l0.next = null; - else L.head = L.tail = null; + // If we get here then something is very wrong. + throw new Error; +} - B.push(p1); - circle = encloseN(L, B); // Note: reorders L! - B.pop(); +function enclosesNot(a, b) { + var dr = a.r - b.r, dx = b.x - a.x, dy = b.y - a.y; + return dr < 0 || dr * dr < dx * dx + dy * dy; +} - // Move l1 to the front of L and reconnect the truncated list L. - if (L.head) l1.next = L.head, L.head = l1; - else l1.next = null, L.head = L.tail = l1; - l0 = L.tail, l0.next = l2; +function enclosesWeak(a, b) { + var dr = a.r - b.r + 1e-6, dx = b.x - a.x, dy = b.y - a.y; + return dr > 0 && dr * dr > dx * dx + dy * dy; +} - } else { - l0 = l1; +function enclosesWeakAll(a, B) { + for (var i = 0; i < B.length; ++i) { + if (!enclosesWeak(a, B[i])) { + return false; } - l1 = l2; } + return true; +} - L.tail = l0; - return circle; +function encloseBasis(B) { + switch (B.length) { + case 1: return encloseBasis1(B[0]); + case 2: return encloseBasis2(B[0], B[1]); + case 3: return encloseBasis3(B[0], B[1], B[2]); + } } -function enclose1(a) { +function encloseBasis1(a) { return { x: a.x, y: a.y, @@ -9950,7 +9971,7 @@ function enclose1(a) { }; } -function enclose2(a, b) { +function encloseBasis2(a, b) { var x1 = a.x, y1 = a.y, r1 = a.r, x2 = b.x, y2 = b.y, r2 = b.r, x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1, @@ -9962,30 +9983,31 @@ function enclose2(a, b) { }; } -function enclose3(a, b, c) { +function encloseBasis3(a, b, c) { var x1 = a.x, y1 = a.y, r1 = a.r, x2 = b.x, y2 = b.y, r2 = b.r, x3 = c.x, y3 = c.y, r3 = c.r, - a2 = 2 * (x1 - x2), - b2 = 2 * (y1 - y2), - c2 = 2 * (r2 - r1), - d2 = x1 * x1 + y1 * y1 - r1 * r1 - x2 * x2 - y2 * y2 + r2 * r2, - a3 = 2 * (x1 - x3), - b3 = 2 * (y1 - y3), - c3 = 2 * (r3 - r1), - d3 = x1 * x1 + y1 * y1 - r1 * r1 - x3 * x3 - y3 * y3 + r3 * r3, + a2 = x1 - x2, + a3 = x1 - x3, + b2 = y1 - y2, + b3 = y1 - y3, + c2 = r2 - r1, + c3 = r3 - r1, + d1 = x1 * x1 + y1 * y1 - r1 * r1, + d2 = d1 - x2 * x2 - y2 * y2 + r2 * r2, + d3 = d1 - x3 * x3 - y3 * y3 + r3 * r3, ab = a3 * b2 - a2 * b3, - xa = (b2 * d3 - b3 * d2) / ab - x1, + xa = (b2 * d3 - b3 * d2) / (ab * 2) - x1, xb = (b3 * c2 - b2 * c3) / ab, - ya = (a3 * d2 - a2 * d3) / ab - y1, + ya = (a3 * d2 - a2 * d3) / (ab * 2) - y1, yb = (a2 * c3 - a3 * c2) / ab, A = xb * xb + yb * yb - 1, - B = 2 * (xa * xb + ya * yb + r1), + B = 2 * (r1 + xa * xb + ya * yb), C = xa * xa + ya * ya - r1 * r1, - r = (-B - Math.sqrt(B * B - 4 * A * C)) / (2 * A); + r = -(A ? (B + Math.sqrt(B * B - 4 * A * C)) / (2 * A) : C / B); return { - x: xa + xb * r + x1, - y: ya + yb * r + y1, + x: x1 + xa + xb * r, + y: y1 + ya + yb * r, r: r }; } @@ -10016,12 +10038,12 @@ function intersects(a, b) { return dr * dr - 1e-6 > dx * dx + dy * dy; } -function distance2(node, x, y) { +function score(node) { var a = node._, b = node.next._, ab = a.r + b.r, - dx = (a.x * b.r + b.x * a.r) / ab - x, - dy = (a.y * b.r + b.y * a.r) / ab - y; + dx = (a.x * b.r + b.x * a.r) / ab, + dy = (a.y * b.r + b.y * a.r) / ab; return dx * dx + dy * dy; } @@ -10034,7 +10056,7 @@ function Node$1(circle) { function packEnclose(circles) { if (!(n = circles.length)) return 0; - var a, b, c, n; + var a, b, c, n, aa, ca, i, j, k, sj, sk; // Place the first circle. a = circles[0], a.x = 0, a.y = 0; @@ -10047,15 +10069,6 @@ function packEnclose(circles) { // Place the third circle. place(b, a, c = circles[2]); - // Initialize the weighted centroid. - var aa = a.r * a.r, - ba = b.r * b.r, - ca = c.r * c.r, - oa = aa + ba + ca, - ox = aa * a.x + ba * b.x + ca * c.x, - oy = aa * a.y + ba * b.y + ca * c.y, - cx, cy, i, j, k, sj, sk; - // Initialize the front-chain using the first three circles a, b and c. a = new Node$1(a), b = new Node$1(b), c = new Node$1(c); a.next = c.previous = b; @@ -10089,15 +10102,10 @@ function packEnclose(circles) { // Success! Insert the new circle c between a and b. c.previous = a, c.next = b, a.next = b.previous = b = c; - // Update the weighted centroid. - oa += ca = c._.r * c._.r; - ox += ca * c._.x; - oy += ca * c._.y; - // Compute the new closest circle pair to the centroid. - aa = distance2(a, cx = ox / oa, cy = oy / oa); + aa = score(a); while ((c = c.next) !== b) { - if ((ca = distance2(c, cx, cy)) < aa) { + if ((ca = score(c)) < aa) { a = c, aa = ca; } } @@ -10654,7 +10662,7 @@ function squarifyRatio(ratio, parent, x0, y0, x1, y1) { return rows; } -var squarify = ((function custom(ratio) { +var squarify = (function custom(ratio) { function squarify(parent, x0, y0, x1, y1) { squarifyRatio(ratio, parent, x0, y0, x1, y1); @@ -10665,7 +10673,7 @@ var squarify = ((function custom(ratio) { }; return squarify; -}))(phi); +})(phi); var index$3 = function() { var tile = squarify, @@ -10808,7 +10816,7 @@ var sliceDice = function(parent, x0, y0, x1, y1) { (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); }; -var resquarify = ((function custom(ratio) { +var resquarify = (function custom(ratio) { function resquarify(parent, x0, y0, x1, y1) { if ((rows = parent._squarify) && (rows.ratio === ratio)) { @@ -10839,7 +10847,7 @@ var resquarify = ((function custom(ratio) { }; return resquarify; -}))(phi); +})(phi); var area$1 = function(polygon) { var i = -1, @@ -10975,7 +10983,7 @@ var length$2 = function(polygon) { return perimeter; }; -var slice$3 = [].slice; +var slice$4 = [].slice; var noabort = {}; @@ -10997,7 +11005,7 @@ Queue.prototype = queue.prototype = { if (typeof callback !== "function") throw new Error("invalid callback"); if (this._call) throw new Error("defer after await"); if (this._error != null) return this; - var t = slice$3.call(arguments, 1); + var t = slice$4.call(arguments, 1); t.push(callback); ++this._waiting, this._tasks.push(t); poke$1(this); @@ -11101,7 +11109,7 @@ var defaultSource$1 = function() { return Math.random(); }; -var uniform = ((function sourceRandomUniform(source) { +var uniform = (function sourceRandomUniform(source) { function randomUniform(min, max) { min = min == null ? 0 : +min; max = max == null ? 1 : +max; @@ -11115,9 +11123,9 @@ var uniform = ((function sourceRandomUniform(source) { randomUniform.source = sourceRandomUniform; return randomUniform; -}))(defaultSource$1); +})(defaultSource$1); -var normal = ((function sourceRandomNormal(source) { +var normal = (function sourceRandomNormal(source) { function randomNormal(mu, sigma) { var x, r; mu = mu == null ? 0 : +mu; @@ -11142,9 +11150,9 @@ var normal = ((function sourceRandomNormal(source) { randomNormal.source = sourceRandomNormal; return randomNormal; -}))(defaultSource$1); +})(defaultSource$1); -var logNormal = ((function sourceRandomLogNormal(source) { +var logNormal = (function sourceRandomLogNormal(source) { function randomLogNormal() { var randomNormal = normal.source(source).apply(this, arguments); return function() { @@ -11155,9 +11163,9 @@ var logNormal = ((function sourceRandomLogNormal(source) { randomLogNormal.source = sourceRandomLogNormal; return randomLogNormal; -}))(defaultSource$1); +})(defaultSource$1); -var irwinHall = ((function sourceRandomIrwinHall(source) { +var irwinHall = (function sourceRandomIrwinHall(source) { function randomIrwinHall(n) { return function() { for (var sum = 0, i = 0; i < n; ++i) sum += source(); @@ -11168,9 +11176,9 @@ var irwinHall = ((function sourceRandomIrwinHall(source) { randomIrwinHall.source = sourceRandomIrwinHall; return randomIrwinHall; -}))(defaultSource$1); +})(defaultSource$1); -var bates = ((function sourceRandomBates(source) { +var bates = (function sourceRandomBates(source) { function randomBates(n) { var randomIrwinHall = irwinHall.source(source)(n); return function() { @@ -11181,9 +11189,9 @@ var bates = ((function sourceRandomBates(source) { randomBates.source = sourceRandomBates; return randomBates; -}))(defaultSource$1); +})(defaultSource$1); -var exponential$1 = ((function sourceRandomExponential(source) { +var exponential$1 = (function sourceRandomExponential(source) { function randomExponential(lambda) { return function() { return -Math.log(1 - source()) / lambda; @@ -11193,7 +11201,7 @@ var exponential$1 = ((function sourceRandomExponential(source) { randomExponential.source = sourceRandomExponential; return randomExponential; -}))(defaultSource$1); +})(defaultSource$1); var request = function(url, callback) { var request, @@ -11396,7 +11404,7 @@ var tsv$1 = dsv$1("text/tab-separated-values", tsvParse); var array$2 = Array.prototype; var map$3 = array$2.map; -var slice$4 = array$2.slice; +var slice$5 = array$2.slice; var implicit = {name: "implicit"}; @@ -11405,7 +11413,7 @@ function ordinal(range) { domain = [], unknown = implicit; - range = range == null ? [] : slice$4.call(range); + range = range == null ? [] : slice$5.call(range); function scale(d) { var key = d + "", i = index.get(key); @@ -11425,7 +11433,7 @@ function ordinal(range) { }; scale.range = function(_) { - return arguments.length ? (range = slice$4.call(_), scale) : range.slice(); + return arguments.length ? (range = slice$5.call(_), scale) : range.slice(); }; scale.unknown = function(_) { @@ -11446,7 +11454,7 @@ function band() { var scale = ordinal().unknown(undefined), domain = scale.domain, ordinalRange = scale.range, - range$$1 = [0, 1], + range = [0, 1], step, bandwidth, round = false, @@ -11458,9 +11466,9 @@ function band() { function rescale() { var n = domain().length, - reverse = range$$1[1] < range$$1[0], - start = range$$1[reverse - 0], - stop = range$$1[1 - reverse]; + reverse = range[1] < range[0], + start = range[reverse - 0], + stop = range[1 - reverse]; step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); if (round) step = Math.floor(step); start += (stop - start - step * (n - paddingInner)) * align; @@ -11475,11 +11483,11 @@ function band() { }; scale.range = function(_) { - return arguments.length ? (range$$1 = [+_[0], +_[1]], rescale()) : range$$1.slice(); + return arguments.length ? (range = [+_[0], +_[1]], rescale()) : range.slice(); }; scale.rangeRound = function(_) { - return range$$1 = [+_[0], +_[1]], round = true, rescale(); + return range = [+_[0], +_[1]], round = true, rescale(); }; scale.bandwidth = function() { @@ -11513,7 +11521,7 @@ function band() { scale.copy = function() { return band() .domain(domain()) - .range(range$$1) + .range(range) .round(round) .paddingInner(paddingInner) .paddingOuter(paddingOuter) @@ -11547,7 +11555,7 @@ var constant$9 = function(x) { }; }; -var number$1 = function(x) { +var number$2 = function(x) { return +x; }; @@ -11566,22 +11574,22 @@ function deinterpolateClamp(deinterpolate) { }; } -function reinterpolateClamp(reinterpolate) { +function reinterpolateClamp(reinterpolate$$1) { return function(a, b) { - var r = reinterpolate(a = +a, b = +b); + var r = reinterpolate$$1(a = +a, b = +b); return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; }; } -function bimap(domain, range$$1, deinterpolate, reinterpolate) { - var d0 = domain[0], d1 = domain[1], r0 = range$$1[0], r1 = range$$1[1]; - if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); - else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); +function bimap(domain, range, deinterpolate, reinterpolate$$1) { + var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; + if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate$$1(r1, r0); + else d0 = deinterpolate(d0, d1), r0 = reinterpolate$$1(r0, r1); return function(x) { return r0(d0(x)); }; } -function polymap(domain, range$$1, deinterpolate, reinterpolate) { - var j = Math.min(domain.length, range$$1.length) - 1, +function polymap(domain, range, deinterpolate, reinterpolate$$1) { + var j = Math.min(domain.length, range.length) - 1, d = new Array(j), r = new Array(j), i = -1; @@ -11589,12 +11597,12 @@ function polymap(domain, range$$1, deinterpolate, reinterpolate) { // Reverse descending domains. if (domain[j] < domain[0]) { domain = domain.slice().reverse(); - range$$1 = range$$1.slice().reverse(); + range = range.slice().reverse(); } while (++i < j) { d[i] = deinterpolate(domain[i], domain[i + 1]); - r[i] = reinterpolate(range$$1[i], range$$1[i + 1]); + r[i] = reinterpolate$$1(range[i], range[i + 1]); } return function(x) { @@ -11613,39 +11621,39 @@ function copy(source, target) { // deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. // reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. -function continuous(deinterpolate, reinterpolate) { +function continuous(deinterpolate, reinterpolate$$1) { var domain = unit, - range$$1 = unit, - interpolate$$1 = interpolateValue, + range = unit, + interpolate = interpolateValue, clamp = false, piecewise, output, input; function rescale() { - piecewise = Math.min(domain.length, range$$1.length) > 2 ? polymap : bimap; + piecewise = Math.min(domain.length, range.length) > 2 ? polymap : bimap; output = input = null; return scale; } function scale(x) { - return (output || (output = piecewise(domain, range$$1, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x); + return (output || (output = piecewise(domain, range, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate)))(+x); } scale.invert = function(y) { - return (input || (input = piecewise(range$$1, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); + return (input || (input = piecewise(range, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate$$1) : reinterpolate$$1)))(+y); }; scale.domain = function(_) { - return arguments.length ? (domain = map$3.call(_, number$1), rescale()) : domain.slice(); + return arguments.length ? (domain = map$3.call(_, number$2), rescale()) : domain.slice(); }; scale.range = function(_) { - return arguments.length ? (range$$1 = slice$4.call(_), rescale()) : range$$1.slice(); + return arguments.length ? (range = slice$5.call(_), rescale()) : range.slice(); }; scale.rangeRound = function(_) { - return range$$1 = slice$4.call(_), interpolate$$1 = interpolateRound, rescale(); + return range = slice$5.call(_), interpolate = interpolateRound, rescale(); }; scale.clamp = function(_) { @@ -11653,7 +11661,7 @@ function continuous(deinterpolate, reinterpolate) { }; scale.interpolate = function(_) { - return arguments.length ? (interpolate$$1 = _, rescale()) : interpolate$$1; + return arguments.length ? (interpolate = _, rescale()) : interpolate; }; return rescale(); @@ -11763,7 +11771,7 @@ function identity$6() { scale.invert = scale; scale.domain = scale.range = function(_) { - return arguments.length ? (domain = map$3.call(_, number$1), scale) : domain.slice(); + return arguments.length ? (domain = map$3.call(_, number$2), scale) : domain.slice(); }; scale.copy = function() { @@ -11950,24 +11958,24 @@ function sqrt$1() { return pow$1().exponent(0.5); } -function quantile$$1() { +function quantile() { var domain = [], - range$$1 = [], + range = [], thresholds = []; function rescale() { - var i = 0, n = Math.max(1, range$$1.length); + var i = 0, n = Math.max(1, range.length); thresholds = new Array(n - 1); while (++i < n) thresholds[i - 1] = threshold(domain, i / n); return scale; } function scale(x) { - if (!isNaN(x = +x)) return range$$1[bisectRight(thresholds, x)]; + if (!isNaN(x = +x)) return range[bisectRight(thresholds, x)]; } scale.invertExtent = function(y) { - var i = range$$1.indexOf(y); + var i = range.indexOf(y); return i < 0 ? [NaN, NaN] : [ i > 0 ? thresholds[i - 1] : domain[0], i < thresholds.length ? thresholds[i] : domain[domain.length - 1] @@ -11983,7 +11991,7 @@ function quantile$$1() { }; scale.range = function(_) { - return arguments.length ? (range$$1 = slice$4.call(_), rescale()) : range$$1.slice(); + return arguments.length ? (range = slice$5.call(_), rescale()) : range.slice(); }; scale.quantiles = function() { @@ -11991,9 +11999,9 @@ function quantile$$1() { }; scale.copy = function() { - return quantile$$1() + return quantile() .domain(domain) - .range(range$$1); + .range(range); }; return scale; @@ -12004,10 +12012,10 @@ function quantize$1() { x1 = 1, n = 1, domain = [0.5], - range$$1 = [0, 1]; + range = [0, 1]; function scale(x) { - if (x <= x) return range$$1[bisectRight(domain, x, 0, n)]; + if (x <= x) return range[bisectRight(domain, x, 0, n)]; } function rescale() { @@ -12022,11 +12030,11 @@ function quantize$1() { }; scale.range = function(_) { - return arguments.length ? (n = (range$$1 = slice$4.call(_)).length - 1, rescale()) : range$$1.slice(); + return arguments.length ? (n = (range = slice$5.call(_)).length - 1, rescale()) : range.slice(); }; scale.invertExtent = function(y) { - var i = range$$1.indexOf(y); + var i = range.indexOf(y); return i < 0 ? [NaN, NaN] : i < 1 ? [x0, domain[0]] : i >= n ? [domain[n - 1], x1] @@ -12036,7 +12044,7 @@ function quantize$1() { scale.copy = function() { return quantize$1() .domain([x0, x1]) - .range(range$$1); + .range(range); }; return linearish(scale); @@ -12044,30 +12052,30 @@ function quantize$1() { function threshold$1() { var domain = [0.5], - range$$1 = [0, 1], + range = [0, 1], n = 1; function scale(x) { - if (x <= x) return range$$1[bisectRight(domain, x, 0, n)]; + if (x <= x) return range[bisectRight(domain, x, 0, n)]; } scale.domain = function(_) { - return arguments.length ? (domain = slice$4.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : domain.slice(); + return arguments.length ? (domain = slice$5.call(_), n = Math.min(domain.length, range.length - 1), scale) : domain.slice(); }; scale.range = function(_) { - return arguments.length ? (range$$1 = slice$4.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : range$$1.slice(); + return arguments.length ? (range = slice$5.call(_), n = Math.min(domain.length, range.length - 1), scale) : range.slice(); }; scale.invertExtent = function(y) { - var i = range$$1.indexOf(y); + var i = range.indexOf(y); return [domain[i - 1], domain[i]]; }; scale.copy = function() { return threshold$1() .domain(domain) - .range(range$$1); + .range(range); }; return scale; @@ -12111,7 +12119,13 @@ function newInterval(floori, offseti, count, field) { return newInterval(function(date) { if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1); }, function(date, step) { - if (date >= date) while (--step >= 0) while (offseti(date, 1), !test(date)) {} // eslint-disable-line no-empty + if (date >= date) { + if (step < 0) while (++step <= 0) { + while (offseti(date, -1), !test(date)) {} // eslint-disable-line no-empty + } else while (--step >= 0) { + while (offseti(date, +1), !test(date)) {} // eslint-disable-line no-empty + } + } }); }; @@ -12964,7 +12978,7 @@ function date$1(t) { return new Date(t); } -function number$2(t) { +function number$3(t) { return t instanceof Date ? +t : +new Date(+t); } @@ -13003,39 +13017,39 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 [ year$$1, 1, durationYear ] ]; - function tickFormat(date) { - return (second$$1(date) < date ? formatMillisecond - : minute$$1(date) < date ? formatSecond - : hour$$1(date) < date ? formatMinute - : day$$1(date) < date ? formatHour - : month$$1(date) < date ? (week(date) < date ? formatDay : formatWeek) - : year$$1(date) < date ? formatMonth - : formatYear)(date); + function tickFormat(date$$1) { + return (second$$1(date$$1) < date$$1 ? formatMillisecond + : minute$$1(date$$1) < date$$1 ? formatSecond + : hour$$1(date$$1) < date$$1 ? formatMinute + : day$$1(date$$1) < date$$1 ? formatHour + : month$$1(date$$1) < date$$1 ? (week(date$$1) < date$$1 ? formatDay : formatWeek) + : year$$1(date$$1) < date$$1 ? formatMonth + : formatYear)(date$$1); } - function tickInterval(interval, start, stop, step) { - if (interval == null) interval = 10; + function tickInterval(interval$$1, start, stop, step) { + if (interval$$1 == null) interval$$1 = 10; // If a desired tick count is specified, pick a reasonable tick interval // based on the extent of the domain and a rough estimate of tick size. // Otherwise, assume interval is already a time interval and use it. - if (typeof interval === "number") { - var target = Math.abs(stop - start) / interval, + if (typeof interval$$1 === "number") { + var target = Math.abs(stop - start) / interval$$1, i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); if (i === tickIntervals.length) { - step = tickStep(start / durationYear, stop / durationYear, interval); - interval = year$$1; + step = tickStep(start / durationYear, stop / durationYear, interval$$1); + interval$$1 = year$$1; } else if (i) { i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; step = i[1]; - interval = i[0]; + interval$$1 = i[0]; } else { - step = tickStep(start, stop, interval); - interval = millisecond$$1; + step = tickStep(start, stop, interval$$1); + interval$$1 = millisecond$$1; } } - return step == null ? interval : interval.every(step); + return step == null ? interval$$1 : interval$$1.every(step); } scale.invert = function(y) { @@ -13043,17 +13057,17 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 }; scale.domain = function(_) { - return arguments.length ? domain(map$3.call(_, number$2)) : domain().map(date$1); + return arguments.length ? domain(map$3.call(_, number$3)) : domain().map(date$1); }; - scale.ticks = function(interval, step) { + scale.ticks = function(interval$$1, step) { var d = domain(), t0 = d[0], t1 = d[d.length - 1], r = t1 < t0, t; if (r) t = t0, t0 = t1, t1 = t; - t = tickInterval(interval, t0, t1, step); + t = tickInterval(interval$$1, t0, t1, step); t = t ? t.range(t0, t1 + 1) : []; // inclusive stop return r ? t.reverse() : t; }; @@ -13062,10 +13076,10 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 return specifier == null ? tickFormat : format(specifier); }; - scale.nice = function(interval, step) { + scale.nice = function(interval$$1, step) { var d = domain(); - return (interval = tickInterval(interval, d[0], d[d.length - 1], step)) - ? domain(nice(d, interval)) + return (interval$$1 = tickInterval(interval$$1, d[0], d[d.length - 1], step)) + ? domain(nice(d, interval$$1)) : scale; }; @@ -13483,8 +13497,8 @@ function y$3(p) { } var line = function() { - var x$$1 = x$3, - y$$1 = y$3, + var x = x$3, + y = y$3, defined = constant$10(true), context = null, curve = curveLinear, @@ -13504,18 +13518,18 @@ var line = function() { if (defined0 = !defined0) output.lineStart(); else output.lineEnd(); } - if (defined0) output.point(+x$$1(d, i, data), +y$$1(d, i, data)); + if (defined0) output.point(+x(d, i, data), +y(d, i, data)); } if (buffer) return output = null, buffer + "" || null; } line.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : x$$1; + return arguments.length ? (x = typeof _ === "function" ? _ : constant$10(+_), line) : x; }; line.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : y$$1; + return arguments.length ? (y = typeof _ === "function" ? _ : constant$10(+_), line) : y; }; line.defined = function(_) { @@ -13755,7 +13769,7 @@ function curveRadial(curve) { return radial; } -function radialLine(l) { +function lineRadial(l) { var c = l.curve; l.angle = l.x, delete l.x; @@ -13768,11 +13782,11 @@ function radialLine(l) { return l; } -var radialLine$1 = function() { - return radialLine(line().curve(curveRadialLinear)); +var lineRadial$1 = function() { + return lineRadial(line().curve(curveRadialLinear)); }; -var radialArea = function() { +var areaRadial = function() { var a = area$2().curve(curveRadialLinear), c = a.curve, x0 = a.lineX0, @@ -13786,10 +13800,10 @@ var radialArea = function() { a.radius = a.y, delete a.y; a.innerRadius = a.y0, delete a.y0; a.outerRadius = a.y1, delete a.y1; - a.lineStartAngle = function() { return radialLine(x0()); }, delete a.lineX0; - a.lineEndAngle = function() { return radialLine(x1()); }, delete a.lineX1; - a.lineInnerRadius = function() { return radialLine(y0()); }, delete a.lineY0; - a.lineOuterRadius = function() { return radialLine(y1()); }, delete a.lineY1; + a.lineStartAngle = function() { return lineRadial(x0()); }, delete a.lineX0; + a.lineEndAngle = function() { return lineRadial(x1()); }, delete a.lineX1; + a.lineInnerRadius = function() { return lineRadial(y0()); }, delete a.lineY0; + a.lineOuterRadius = function() { return lineRadial(y1()); }, delete a.lineY1; a.curve = function(_) { return arguments.length ? c(curveRadial(_)) : c()._curve; @@ -13798,12 +13812,12 @@ var radialArea = function() { return a; }; -var slice$5 = Array.prototype.slice; - -var radialPoint = function(x, y) { +var pointRadial = function(x, y) { return [(y = +y) * Math.cos(x -= Math.PI / 2), y * Math.sin(x)]; }; +var slice$6 = Array.prototype.slice; + function linkSource(d) { return d.source; } @@ -13815,14 +13829,14 @@ function linkTarget(d) { function link$2(curve) { var source = linkSource, target = linkTarget, - x$$1 = x$3, - y$$1 = y$3, + x = x$3, + y = y$3, context = null; function link() { - var buffer, argv = slice$5.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); + var buffer, argv = slice$6.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); if (!context) context = buffer = path(); - curve(context, +x$$1.apply(this, (argv[0] = s, argv)), +y$$1.apply(this, argv), +x$$1.apply(this, (argv[0] = t, argv)), +y$$1.apply(this, argv)); + curve(context, +x.apply(this, (argv[0] = s, argv)), +y.apply(this, argv), +x.apply(this, (argv[0] = t, argv)), +y.apply(this, argv)); if (buffer) return context = null, buffer + "" || null; } @@ -13835,11 +13849,11 @@ function link$2(curve) { }; link.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : x$$1; + return arguments.length ? (x = typeof _ === "function" ? _ : constant$10(+_), link) : x; }; link.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : y$$1; + return arguments.length ? (y = typeof _ === "function" ? _ : constant$10(+_), link) : y; }; link.context = function(_) { @@ -13860,10 +13874,10 @@ function curveVertical(context, x0, y0, x1, y1) { } function curveRadial$1(context, x0, y0, x1, y1) { - var p0 = radialPoint(x0, y0), - p1 = radialPoint(x0, y0 = (y0 + y1) / 2), - p2 = radialPoint(x1, y0), - p3 = radialPoint(x1, y1); + var p0 = pointRadial(x0, y0), + p1 = pointRadial(x0, y0 = (y0 + y1) / 2), + p2 = pointRadial(x1, y0), + p3 = pointRadial(x1, y1); context.moveTo(p0[0], p0[1]); context.bezierCurveTo(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]); } @@ -14216,7 +14230,7 @@ Bundle.prototype = { } }; -var bundle = ((function custom(beta) { +var bundle = (function custom(beta) { function bundle(context) { return beta === 1 ? new Basis(context) : new Bundle(context, beta); @@ -14227,7 +14241,7 @@ var bundle = ((function custom(beta) { }; return bundle; -}))(0.85); +})(0.85); function point$3(that, x, y) { that._context.bezierCurveTo( @@ -14278,7 +14292,7 @@ Cardinal.prototype = { } }; -var cardinal = ((function custom(tension) { +var cardinal = (function custom(tension) { function cardinal(context) { return new Cardinal(context, tension); @@ -14289,7 +14303,7 @@ var cardinal = ((function custom(tension) { }; return cardinal; -}))(0); +})(0); function CardinalClosed(context, tension) { this._context = context; @@ -14337,18 +14351,18 @@ CardinalClosed.prototype = { } }; -var cardinalClosed = ((function custom(tension) { +var cardinalClosed = (function custom(tension) { - function cardinal(context) { + function cardinal$$1(context) { return new CardinalClosed(context, tension); } - cardinal.tension = function(tension) { + cardinal$$1.tension = function(tension) { return custom(+tension); }; - return cardinal; -}))(0); + return cardinal$$1; +})(0); function CardinalOpen(context, tension) { this._context = context; @@ -14385,18 +14399,18 @@ CardinalOpen.prototype = { } }; -var cardinalOpen = ((function custom(tension) { +var cardinalOpen = (function custom(tension) { - function cardinal(context) { + function cardinal$$1(context) { return new CardinalOpen(context, tension); } - cardinal.tension = function(tension) { + cardinal$$1.tension = function(tension) { return custom(+tension); }; - return cardinal; -}))(0); + return cardinal$$1; +})(0); function point$4(that, x, y) { var x1 = that._x1, @@ -14471,7 +14485,7 @@ CatmullRom.prototype = { } }; -var catmullRom = ((function custom(alpha) { +var catmullRom = (function custom(alpha) { function catmullRom(context) { return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); @@ -14482,7 +14496,7 @@ var catmullRom = ((function custom(alpha) { }; return catmullRom; -}))(0.5); +})(0.5); function CatmullRomClosed(context, alpha) { this._context = context; @@ -14542,18 +14556,18 @@ CatmullRomClosed.prototype = { } }; -var catmullRomClosed = ((function custom(alpha) { +var catmullRomClosed = (function custom(alpha) { - function catmullRom(context) { + function catmullRom$$1(context) { return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); } - catmullRom.alpha = function(alpha) { + catmullRom$$1.alpha = function(alpha) { return custom(+alpha); }; - return catmullRom; -}))(0.5); + return catmullRom$$1; +})(0.5); function CatmullRomOpen(context, alpha) { this._context = context; @@ -14602,18 +14616,18 @@ CatmullRomOpen.prototype = { } }; -var catmullRomOpen = ((function custom(alpha) { +var catmullRomOpen = (function custom(alpha) { - function catmullRom(context) { + function catmullRom$$1(context) { return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); } - catmullRom.alpha = function(alpha) { + catmullRom$$1.alpha = function(alpha) { return custom(+alpha); }; - return catmullRom; -}))(0.5); + return catmullRom$$1; +})(0.5); function LinearClosed(context) { this._context = context; @@ -14915,7 +14929,7 @@ var stack = function() { } stack.keys = function(_) { - return arguments.length ? (keys = typeof _ === "function" ? _ : constant$10(slice$5.call(_)), stack) : keys; + return arguments.length ? (keys = typeof _ === "function" ? _ : constant$10(slice$6.call(_)), stack) : keys; }; stack.value = function(_) { @@ -14923,7 +14937,7 @@ var stack = function() { }; stack.order = function(_) { - return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$10(slice$5.call(_)), stack) : order; + return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$10(slice$6.call(_)), stack) : order; }; stack.offset = function(_) { @@ -15976,13 +15990,13 @@ Diagram.prototype = { }; var voronoi = function() { - var x$$1 = x$4, - y$$1 = y$4, + var x = x$4, + y = y$4, extent = null; function voronoi(data) { return new Diagram(data.map(function(d, i) { - var s = [Math.round(x$$1(d, i, data) / epsilon$4) * epsilon$4, Math.round(y$$1(d, i, data) / epsilon$4) * epsilon$4]; + var s = [Math.round(x(d, i, data) / epsilon$4) * epsilon$4, Math.round(y(d, i, data) / epsilon$4) * epsilon$4]; s.index = i; s.data = d; return s; @@ -16002,11 +16016,11 @@ var voronoi = function() { }; voronoi.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : x$$1; + return arguments.length ? (x = typeof _ === "function" ? _ : constant$11(+_), voronoi) : x; }; voronoi.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : y$$1; + return arguments.length ? (y = typeof _ === "function" ? _ : constant$11(+_), voronoi) : y; }; voronoi.extent = function(_) { @@ -16114,9 +16128,18 @@ function defaultTransform() { return this.__zoom || identity$8; } +function defaultWheelDelta() { + return -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500; +} + +function touchable$1() { + return "ontouchstart" in this; +} + var zoom = function() { var filter = defaultFilter$2, extent = defaultExtent$1, + wheelDelta = defaultWheelDelta, k0 = 0, k1 = Infinity, x0 = -k1, @@ -16124,7 +16147,7 @@ var zoom = function() { y0 = x0, y1 = x1, duration = 250, - interpolate$$1 = interpolateZoom, + interpolate = interpolateZoom, gestures = [], listeners = dispatch("start", "zoom", "end"), touchstarting, @@ -16135,26 +16158,28 @@ var zoom = function() { function zoom(selection$$1) { selection$$1 + .property("__zoom", defaultTransform) .on("wheel.zoom", wheeled) .on("mousedown.zoom", mousedowned) .on("dblclick.zoom", dblclicked) + .filter(touchable$1) .on("touchstart.zoom", touchstarted) .on("touchmove.zoom", touchmoved) .on("touchend.zoom touchcancel.zoom", touchended) - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") - .property("__zoom", defaultTransform); + .style("touch-action", "none") + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); } - zoom.transform = function(collection, transform) { + zoom.transform = function(collection, transform$$1) { var selection$$1 = collection.selection ? collection.selection() : collection; selection$$1.property("__zoom", defaultTransform); if (collection !== selection$$1) { - schedule(collection, transform); + schedule(collection, transform$$1); } else { selection$$1.interrupt().each(function() { gesture(this, arguments) .start() - .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) + .zoom(null, typeof transform$$1 === "function" ? transform$$1.apply(this, arguments) : transform$$1) .end(); }); } @@ -16188,22 +16213,34 @@ var zoom = function() { }); }; - function scale(transform, k) { + zoom.translateTo = function(selection$$1, x, y) { + zoom.transform(selection$$1, function() { + var e = extent.apply(this, arguments), + t = this.__zoom, + p = centroid(e); + return constrain(identity$8.translate(p[0], p[1]).scale(t.k).translate( + typeof x === "function" ? -x.apply(this, arguments) : -x, + typeof y === "function" ? -y.apply(this, arguments) : -y + ), e); + }); + }; + + function scale(transform$$1, k) { k = Math.max(k0, Math.min(k1, k)); - return k === transform.k ? transform : new Transform(k, transform.x, transform.y); + return k === transform$$1.k ? transform$$1 : new Transform(k, transform$$1.x, transform$$1.y); } - function translate(transform, p0, p1) { - var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k; - return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y); + function translate(transform$$1, p0, p1) { + var x = p0[0] - p1[0] * transform$$1.k, y = p0[1] - p1[1] * transform$$1.k; + return x === transform$$1.x && y === transform$$1.y ? transform$$1 : new Transform(transform$$1.k, x, y); } - function constrain(transform, extent) { - var dx0 = transform.invertX(extent[0][0]) - x0, - dx1 = transform.invertX(extent[1][0]) - x1, - dy0 = transform.invertY(extent[0][1]) - y0, - dy1 = transform.invertY(extent[1][1]) - y1; - return transform.translate( + function constrain(transform$$1, extent) { + var dx0 = transform$$1.invertX(extent[0][0]) - x0, + dx1 = transform$$1.invertX(extent[1][0]) - x1, + dy0 = transform$$1.invertY(extent[0][1]) - y0, + dy1 = transform$$1.invertY(extent[1][1]) - y1; + return transform$$1.translate( dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1), dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1) ); @@ -16213,7 +16250,7 @@ var zoom = function() { return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; } - function schedule(transition$$1, transform, center) { + function schedule(transition$$1, transform$$1, center) { transition$$1 .on("start.zoom", function() { gesture(this, arguments).start(); }) .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) @@ -16225,8 +16262,8 @@ var zoom = function() { p = center || centroid(e), w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), a = that.__zoom, - b = typeof transform === "function" ? transform.apply(that, args) : transform, - i = interpolate$$1(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); + b = typeof transform$$1 === "function" ? transform$$1.apply(that, args) : transform$$1, + i = interpolate(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); return function(t) { if (t === 1) t = b; // Avoid rounding error on end. else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); } @@ -16260,11 +16297,11 @@ var zoom = function() { } return this; }, - zoom: function(key, transform) { - if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]); - if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); - if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); - this.that.__zoom = transform; + zoom: function(key, transform$$1) { + if (this.mouse && key !== "mouse") this.mouse[1] = transform$$1.invert(this.mouse[0]); + if (this.touch0 && key !== "touch") this.touch0[1] = transform$$1.invert(this.touch0[0]); + if (this.touch1 && key !== "touch") this.touch1[1] = transform$$1.invert(this.touch1[0]); + this.that.__zoom = transform$$1; this.emit("zoom"); return this; }, @@ -16285,7 +16322,7 @@ var zoom = function() { if (!filter.apply(this, arguments)) return; var g = gesture(this, arguments), t = this.__zoom, - k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500))), + k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, wheelDelta.apply(this, arguments)))), p = mouse(this); // If the mouse is in the same location as before, reuse it. @@ -16439,6 +16476,10 @@ var zoom = function() { else g.end(); } + zoom.wheelDelta = function(_) { + return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant$12(+_), zoom) : wheelDelta; + }; + zoom.filter = function(_) { return arguments.length ? (filter = typeof _ === "function" ? _ : constant$12(!!_), zoom) : filter; }; @@ -16460,7 +16501,7 @@ var zoom = function() { }; zoom.interpolate = function(_) { - return arguments.length ? (interpolate$$1 = _, zoom) : interpolate$$1; + return arguments.length ? (interpolate = _, zoom) : interpolate; }; zoom.on = function() { @@ -16471,7 +16512,7 @@ var zoom = function() { zoom.clickDistance = function(_) { return arguments.length ? (clickDistance2 = (_ = +_) * _, zoom) : Math.sqrt(clickDistance2); }; - + return zoom; }; @@ -16702,7 +16743,7 @@ exports.scaleOrdinal = ordinal; exports.scaleImplicit = implicit; exports.scalePow = pow$1; exports.scaleSqrt = sqrt$1; -exports.scaleQuantile = quantile$$1; +exports.scaleQuantile = quantile; exports.scaleQuantize = quantize$1; exports.scaleThreshold = threshold$1; exports.scaleTime = time; @@ -16740,8 +16781,11 @@ exports.arc = arc; exports.area = area$2; exports.line = line; exports.pie = pie; -exports.radialArea = radialArea; -exports.radialLine = radialLine$1; +exports.areaRadial = areaRadial; +exports.radialArea = areaRadial; +exports.lineRadial = lineRadial$1; +exports.radialLine = lineRadial$1; +exports.pointRadial = pointRadial; exports.linkHorizontal = linkHorizontal; exports.linkVertical = linkVertical; exports.linkRadial = linkRadial; diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index 8a0709b..6a27058 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,8 +1,2 @@ -// https://d3js.org Version 4.9.1. 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arguments.length?n(Ba(t)):n()._curve},t},Tg=function(t,n){return[(n=+n)*Math.cos(t-=Math.PI/2),n*Math.sin(t)]},kg=Array.prototype.slice,Ng={draw:function(t,n){var e=Math.sqrt(n/pg);t.moveTo(e,0),t.arc(0,0,e,0,vg)}},Sg={draw:function(t,n){var e=Math.sqrt(n/5)/2;t.moveTo(-3*e,-e),t.lineTo(-e,-e),t.lineTo(-e,-3*e),t.lineTo(e,-3*e),t.lineTo(e,-e),t.lineTo(3*e,-e),t.lineTo(3*e,e),t.lineTo(e,e),t.lineTo(e,3*e),t.lineTo(-e,3*e),t.lineTo(-e,e),t.lineTo(-3*e,e),t.closePath()}},Eg=Math.sqrt(1/3),Ag=2*Eg,Cg={draw:function(t,n){var e=Math.sqrt(n/Ag),r=e*Eg;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},zg=Math.sin(pg/10)/Math.sin(7*pg/10),Pg=Math.sin(vg/10)*zg,Rg=-Math.cos(vg/10)*zg,Lg={draw:function(t,n){var e=Math.sqrt(.8908130915292852*n),r=Pg*e,i=Rg*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var u=vg*o/5,a=Math.cos(u),c=Math.sin(u);t.lineTo(c*e,-a*e),t.lineTo(a*r-c*i,c*r+a*i)}t.closePath()}},qg={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},Ug=Math.sqrt(3),Dg={draw:function(t,n){var e=-Math.sqrt(n/(3*Ug));t.moveTo(0,2*e),t.lineTo(-Ug*e,-e),t.lineTo(Ug*e,-e),t.closePath()}},Og=-.5,Fg=Math.sqrt(3)/2,Ig=1/Math.sqrt(12),Yg=3*(Ig/2+1),Bg={draw:function(t,n){var e=Math.sqrt(n/Yg),r=e/2,i=e*Ig,o=r,u=e*Ig+e,a=-o,c=u;t.moveTo(r,i),t.lineTo(o,u),t.lineTo(a,c),t.lineTo(Og*r-Fg*i,Fg*r+Og*i),t.lineTo(Og*o-Fg*u,Fg*o+Og*u),t.lineTo(Og*a-Fg*c,Fg*a+Og*c),t.lineTo(Og*r+Fg*i,Og*i-Fg*r),t.lineTo(Og*o+Fg*u,Og*u-Fg*o),t.lineTo(Og*a+Fg*c,Og*c-Fg*a),t.closePath()}},jg=[Ng,Sg,Cg,qg,Lg,Dg,Bg],Hg=function(){};Ja.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Ga(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};Qa.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};Ka.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};tc.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var r,i=t[0],o=n[0],u=t[e]-i,a=n[e]-o,c=-1;++c<=e;)r=c/e,this._basis.point(this._beta*t[c]+(1-this._beta)*(i+r*u),this._beta*n[c]+(1-this._beta)*(o+r*a));this._x=this._y=null,this._basis.lineEnd()},point:function(t,n){this._x.push(+t),this._y.push(+n)}};var Xg=function t(n){function e(t){return 1===n?new Ja(t):new tc(t,n)}return e.beta=function(n){return t(+n)},e}(.85);ec.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:nc(this,this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2,this._x1=t,this._y1=n;break;case 2:this._point=3;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var $g=function t(n){function e(t){return new ec(t,n)}return e.tension=function(n){return t(+n)},e}(0);rc.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Vg=function t(n){function e(t){return new rc(t,n)}return e.tension=function(n){return t(+n)},e}(0);ic.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Wg=function t(n){function e(t){return new ic(t,n)}return e.tension=function(n){return t(+n)},e}(0);uc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Zg=function t(n){function e(t){return n?new uc(t,n):new ec(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);ac.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Gg=function t(n){function e(t){return n?new ac(t,n):new rc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);cc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Jg=function t(n){function e(t){return n?new cc(t,n):new ic(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);sc.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}};dc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:pc(this,this._t0,hc(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,pc(this,hc(this,e=lc(this,t,n)),e);break;default:pc(this,this._t0,e=lc(this,t,n))}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n,this._t0=e}}},(vc.prototype=Object.create(dc.prototype)).point=function(t,n){dc.prototype.point.call(this,n,t)},_c.prototype={moveTo:function(t,n){this._context.moveTo(n,t)},closePath:function(){this._context.closePath()},lineTo:function(t,n){this._context.lineTo(n,t)},bezierCurveTo:function(t,n,e,r,i,o){this._context.bezierCurveTo(n,t,r,e,o,i)}},yc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=[],this._y=[]},lineEnd:function(){var t=this._x,n=this._y,e=t.length;if(e)if(this._line?this._context.lineTo(t[0],n[0]):this._context.moveTo(t[0],n[0]),2===e)this._context.lineTo(t[1],n[1]);else for(var r=gc(t),i=gc(n),o=0,u=1;u=0&&(this._t=1-this._t,this._line=1-this._line)},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:if(this._t<=0)this._context.lineTo(this._x,n),this._context.lineTo(t,n);else{var e=this._x*(1-this._t)+t*this._t;this._context.lineTo(e,this._y),this._context.lineTo(e,n)}}this._x=t,this._y=n}};var Qg=function(t,n){if((i=t.length)>1)for(var e,r,i,o=1,u=t[n[0]],a=u.length;o=0;)e[n]=n;return e},tm=function(t){var n=t.map(bc);return Kg(t).sort(function(t,e){return n[t]-n[e]})},nm=function(t){return function(){return t}};Tc.prototype={constructor:Tc,insert:function(t,n){var e,r,i;if(t){if(n.P=t,n.N=t.N,t.N&&(t.N.P=n),t.N=n,t.R){for(t=t.R;t.L;)t=t.L;t.L=n}else t.R=n;e=t}else 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{x: exports.event.x, y: exports.event.y} : d; } +function touchable() { + return "ontouchstart" in this; +} + var drag = function() { var filter = defaultFilter$1, container = defaultContainer, @@ -1843,12 +1853,14 @@ var drag = function() { touchending, clickDistance2 = 0; - function drag(selection$$1) { - selection$$1 + function drag(selection) { + selection .on("mousedown.drag", mousedowned) + .filter(touchable) .on("touchstart.drag", touchstarted) .on("touchmove.drag", touchmoved) .on("touchend.drag touchcancel.drag", touchended) + .style("touch-action", "none") .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); } @@ -2539,7 +2551,7 @@ function nogamma(a, b) { return d ? linear(a, d) : constant$3(isNaN(a) ? b : a); } -var interpolateRgb = ((function rgbGamma(y) { +var interpolateRgb = (function rgbGamma(y) { var color$$1 = gamma(y); function rgb$$1(start, end) { @@ -2559,7 +2571,7 @@ var interpolateRgb = ((function rgbGamma(y) { rgb$$1.gamma = rgbGamma; return rgb$$1; -}))(1); +})(1); function rgbSpline(spline) { return function(colors) { @@ -2994,7 +3006,7 @@ var clockLast = 0; var clockNow = 0; var clockSkew = 0; var clock = typeof performance === "object" && performance.now ? performance : Date; -var setFrame = typeof requestAnimationFrame === "function" ? requestAnimationFrame : function(f) { setTimeout(f, 17); }; +var setFrame = typeof window === "object" && window.requestAnimationFrame ? window.requestAnimationFrame.bind(window) : function(f) { setTimeout(f, 17); }; function now() { return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew); @@ -3272,7 +3284,7 @@ function create(node, id, self) { var interrupt = function(node, name) { var schedules = node.__transition, - schedule, + schedule$$1, active, empty = true, i; @@ -3282,11 +3294,11 @@ var interrupt = function(node, name) { name = name == null ? null : name + ""; for (i in schedules) { - if ((schedule = schedules[i]).name !== name) { empty = false; continue; } - active = schedule.state > STARTING && schedule.state < ENDING; - schedule.state = ENDED; - schedule.timer.stop(); - if (active) schedule.on.call("interrupt", node, node.__data__, schedule.index, schedule.group); + if ((schedule$$1 = schedules[i]).name !== name) { empty = false; continue; } + active = schedule$$1.state > STARTING && schedule$$1.state < ENDING; + schedule$$1.state = ENDED; + schedule$$1.timer.stop(); + if (active) schedule$$1.on.call("interrupt", node, node.__data__, schedule$$1.index, schedule$$1.group); delete schedules[i]; } @@ -3302,8 +3314,8 @@ var selection_interrupt = function(name) { function tweenRemove(id, name) { var tween0, tween1; return function() { - var schedule = set$1(this, id), - tween = schedule.tween; + var schedule$$1 = set$1(this, id), + tween = schedule$$1.tween; // If this node shared tween with the previous node, // just assign the updated shared tween and we’re done! @@ -3319,7 +3331,7 @@ function tweenRemove(id, name) { } } - schedule.tween = tween1; + schedule$$1.tween = tween1; }; } @@ -3327,8 +3339,8 @@ function tweenFunction(id, name, value) { var tween0, tween1; if (typeof value !== "function") throw new Error; return function() { - var schedule = set$1(this, id), - tween = schedule.tween; + var schedule$$1 = set$1(this, id), + tween = schedule$$1.tween; // If this node shared tween with the previous node, // just assign the updated shared tween and we’re done! @@ -3344,7 +3356,7 @@ function tweenFunction(id, name, value) { if (i === n) tween1.push(t); } - schedule.tween = tween1; + schedule$$1.tween = tween1; }; } @@ -3370,8 +3382,8 @@ function tweenValue(transition, name, value) { var id = transition._id; transition.each(function() { - var schedule = set$1(this, id); - (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); + var schedule$$1 = set$1(this, id); + (schedule$$1.value || (schedule$$1.value = {}))[name] = value.apply(this, arguments); }); return function(node) { @@ -3379,7 +3391,7 @@ function tweenValue(transition, name, value) { }; } -var interpolate$$1 = function(a, b) { +var interpolate = function(a, b) { var c; return (typeof b === "number" ? reinterpolate : b instanceof color ? interpolateRgb @@ -3450,7 +3462,7 @@ function attrFunctionNS$1(fullname, interpolate$$1, value) { } var transition_attr = function(name, value) { - var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate$$1; + var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate; return this.attrTween(name, typeof value === "function" ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) @@ -3561,10 +3573,10 @@ var transition_filter = function(match) { return new Transition(subgroups, this._parents, this._name, this._id); }; -var transition_merge = function(transition) { - if (transition._id !== this._id) throw new Error; +var transition_merge = function(transition$$1) { + if (transition$$1._id !== this._id) throw new Error; - for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var groups0 = this._groups, groups1 = transition$$1._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { if (node = group0[i] || group1[i]) { merge[i] = node; @@ -3590,15 +3602,15 @@ function start(name) { function onFunction(id, name, listener) { var on0, on1, sit = start(name) ? init : set$1; return function() { - var schedule = sit(this, id), - on = schedule.on; + var schedule$$1 = sit(this, id), + on = schedule$$1.on; // If this node shared a dispatch with the previous node, // just assign the updated shared dispatch and we’re done! // Otherwise, copy-on-write. if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener); - schedule.on = on1; + schedule$$1.on = on1; }; } @@ -3670,7 +3682,7 @@ var transition_selection = function() { return new Selection$1(this._groups, this._parents); }; -function styleRemove$1(name, interpolate$$2) { +function styleRemove$1(name, interpolate$$1) { var value00, value10, interpolate0; @@ -3679,7 +3691,7 @@ function styleRemove$1(name, interpolate$$2) { value1 = (this.style.removeProperty(name), styleValue(this, name)); return value0 === value1 ? null : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$2(value00 = value0, value10 = value1); + : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); }; } @@ -3689,18 +3701,18 @@ function styleRemoveEnd(name) { }; } -function styleConstant$1(name, interpolate$$2, value1) { +function styleConstant$1(name, interpolate$$1, value1) { var value00, interpolate0; return function() { var value0 = styleValue(this, name); return value0 === value1 ? null : value0 === value00 ? interpolate0 - : interpolate0 = interpolate$$2(value00 = value0, value1); + : interpolate0 = interpolate$$1(value00 = value0, value1); }; } -function styleFunction$1(name, interpolate$$2, value) { +function styleFunction$1(name, interpolate$$1, value) { var value00, value10, interpolate0; @@ -3710,12 +3722,12 @@ function styleFunction$1(name, interpolate$$2, value) { if (value1 == null) value1 = (this.style.removeProperty(name), styleValue(this, name)); return value0 === value1 ? null : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$2(value00 = value0, value10 = value1); + : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); }; } var transition_style = function(name, value, priority) { - var i = (name += "") === "transform" ? interpolateTransformCss : interpolate$$1; + var i = (name += "") === "transform" ? interpolateTransformCss : interpolate; return value == null ? this .styleTween(name, styleRemove$1(name, i)) .on("end.style." + name, styleRemoveEnd(name)) @@ -4086,13 +4098,13 @@ var root$1 = [null]; var active = function(node, name) { var schedules = node.__transition, - schedule, + schedule$$1, i; if (schedules) { name = name == null ? null : name + ""; for (i in schedules) { - if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { + if ((schedule$$1 = schedules[i]).state > SCHEDULED && schedule$$1.name === name) { return new Transition([[node]], root$1, name, +i); } } @@ -4301,7 +4313,7 @@ function brush$1(dim) { .on("mousedown.brush touchstart.brush", started); } - brush.move = function(group, selection$$1) { + brush.move = function(group, selection) { if (group.selection) { group .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) @@ -4311,7 +4323,7 @@ function brush$1(dim) { state = that.__brush, emit = emitter(that, arguments), selection0 = state.selection, - selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(this, arguments) : selection$$1, state.extent), + selection1 = dim.input(typeof selection === "function" ? selection.apply(this, arguments) : selection, state.extent), i = interpolateValue(selection0, selection1); function tween(t) { @@ -4328,7 +4340,7 @@ function brush$1(dim) { var that = this, args = arguments, state = that.__brush, - selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(that, args) : selection$$1, state.extent), + selection1 = dim.input(typeof selection === "function" ? selection.apply(that, args) : selection, state.extent), emit = emitter(that, args).beforestart(); interrupt(that); @@ -4341,22 +4353,22 @@ function brush$1(dim) { function redraw() { var group = select(this), - selection$$1 = local$$1(this).selection; + selection = local$$1(this).selection; - if (selection$$1) { + if (selection) { group.selectAll(".selection") .style("display", null) - .attr("x", selection$$1[0][0]) - .attr("y", selection$$1[0][1]) - .attr("width", selection$$1[1][0] - selection$$1[0][0]) - .attr("height", selection$$1[1][1] - selection$$1[0][1]); + .attr("x", selection[0][0]) + .attr("y", selection[0][1]) + .attr("width", selection[1][0] - selection[0][0]) + .attr("height", selection[1][1] - selection[0][1]); group.selectAll(".handle") .style("display", null) - .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection$$1[1][0] - handleSize / 2 : selection$$1[0][0] - handleSize / 2; }) - .attr("y", function(d) { return d.type[0] === "s" ? selection$$1[1][1] - handleSize / 2 : selection$$1[0][1] - handleSize / 2; }) - .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection$$1[1][0] - selection$$1[0][0] + handleSize : handleSize; }) - .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection$$1[1][1] - selection$$1[0][1] + handleSize : handleSize; }); + .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection[1][0] - handleSize / 2 : selection[0][0] - handleSize / 2; }) + .attr("y", function(d) { return d.type[0] === "s" ? selection[1][1] - handleSize / 2 : selection[0][1] - handleSize / 2; }) + .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection[1][0] - selection[0][0] + handleSize : handleSize; }) + .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection[1][1] - selection[0][1] + handleSize : handleSize; }); } else { @@ -4414,7 +4426,7 @@ function brush$1(dim) { signY = dim === X ? null : signsY[type], state = local$$1(that), extent = state.extent, - selection$$1 = state.selection, + selection = state.selection, W = extent[0][0], w0, w1, N = extent[0][1], n0, n1, E = extent[1][0], e0, e1, @@ -4430,15 +4442,15 @@ function brush$1(dim) { emit = emitter(that, arguments).beforestart(); if (type === "overlay") { - state.selection = selection$$1 = [ + state.selection = selection = [ [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] ]; } else { - w0 = selection$$1[0][0]; - n0 = selection$$1[0][1]; - e0 = selection$$1[1][0]; - s0 = selection$$1[1][1]; + w0 = selection[0][0]; + n0 = selection[0][1]; + e0 = selection[1][0]; + s0 = selection[1][1]; } w1 = w0; @@ -4524,14 +4536,14 @@ function brush$1(dim) { if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); } - if (state.selection) selection$$1 = state.selection; // May be set by brush.move! - if (lockX) w1 = selection$$1[0][0], e1 = selection$$1[1][0]; - if (lockY) n1 = selection$$1[0][1], s1 = selection$$1[1][1]; + if (state.selection) selection = state.selection; // May be set by brush.move! + if (lockX) w1 = selection[0][0], e1 = selection[1][0]; + if (lockY) n1 = selection[0][1], s1 = selection[1][1]; - if (selection$$1[0][0] !== w1 - || selection$$1[0][1] !== n1 - || selection$$1[1][0] !== e1 - || selection$$1[1][1] !== s1) { + if (selection[0][0] !== w1 + || selection[0][1] !== n1 + || selection[1][0] !== e1 + || selection[1][1] !== s1) { state.selection = [[w1, n1], [e1, s1]]; redraw.call(that); emit.brush(); @@ -4551,8 +4563,8 @@ function brush$1(dim) { } group.attr("pointer-events", "all"); overlay.attr("cursor", cursors.overlay); - if (state.selection) selection$$1 = state.selection; // May be set by brush.move (on start)! - if (empty(selection$$1)) state.selection = null, redraw.call(that); + if (state.selection) selection = state.selection; // May be set by brush.move (on start)! + if (empty(selection)) state.selection = null, redraw.call(that); emit.end(); } @@ -5081,10 +5093,10 @@ var nest = function() { nest; function apply(array, depth, createResult, setResult) { - if (depth >= keys.length) return rollup != null - ? rollup(array) : (sortValues != null - ? array.sort(sortValues) - : array); + if (depth >= keys.length) { + if (sortValues != null) array.sort(sortValues); + return rollup != null ? rollup(array) : array; + } var i = -1, n = array.length, @@ -6189,17 +6201,17 @@ var manyBody = function() { } function accumulate(quad) { - var strength = 0, q, c, x$$1, y$$1, i; + var strength = 0, q, c, x, y, i; // For internal nodes, accumulate forces from child quadrants. if (quad.length) { - for (x$$1 = y$$1 = i = 0; i < 4; ++i) { + for (x = y = i = 0; i < 4; ++i) { if ((q = quad[i]) && (c = q.value)) { - strength += c, x$$1 += c * q.x, y$$1 += c * q.y; + strength += c, x += c * q.x, y += c * q.y; } } - quad.x = x$$1 / strength; - quad.y = y$$1 / strength; + quad.x = x / strength; + quad.y = y / strength; } // For leaf nodes, accumulate forces from coincident quadrants. @@ -6217,20 +6229,20 @@ var manyBody = function() { function apply(quad, x1, _, x2) { if (!quad.value) return true; - var x$$1 = quad.x - node.x, - y$$1 = quad.y - node.y, + var x = quad.x - node.x, + y = quad.y - node.y, w = x2 - x1, - l = x$$1 * x$$1 + y$$1 * y$$1; + l = x * x + y * y; // Apply the Barnes-Hut approximation if possible. // Limit forces for very close nodes; randomize direction if coincident. if (w * w / theta2 < l) { if (l < distanceMax2) { - if (x$$1 === 0) x$$1 = jiggle(), l += x$$1 * x$$1; - if (y$$1 === 0) y$$1 = jiggle(), l += y$$1 * y$$1; + if (x === 0) x = jiggle(), l += x * x; + if (y === 0) y = jiggle(), l += y * y; if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); - node.vx += x$$1 * quad.value * alpha / l; - node.vy += y$$1 * quad.value * alpha / l; + node.vx += x * quad.value * alpha / l; + node.vy += y * quad.value * alpha / l; } return true; } @@ -6240,15 +6252,15 @@ var manyBody = function() { // Limit forces for very close nodes; randomize direction if coincident. if (quad.data !== node || quad.next) { - if (x$$1 === 0) x$$1 = jiggle(), l += x$$1 * x$$1; - if (y$$1 === 0) y$$1 = jiggle(), l += y$$1 * y$$1; + if (x === 0) x = jiggle(), l += x * x; + if (y === 0) y = jiggle(), l += y * y; if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); } do if (quad.data !== node) { w = strengths[quad.data.index] * alpha / l; - node.vx += x$$1 * w; - node.vy += y$$1 * w; + node.vx += x * w; + node.vy += y * w; } while (quad = quad.next); } @@ -9485,7 +9497,7 @@ function scaleTranslate(kx, ky, tx, ty) { } var identity$5 = function() { - var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, transform = identity$4, // scale, translate and reflect + var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, transform$$1 = identity$4, // scale, translate and reflect x0 = null, y0, x1, y1, clip = identity$4, // clip extent cache, cacheStream, @@ -9498,22 +9510,22 @@ var identity$5 = function() { return projection = { stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = transform(clip(cacheStream = stream)); + return cache && cacheStream === stream ? cache : cache = transform$$1(clip(cacheStream = stream)); }, clipExtent: function(_) { return arguments.length ? (clip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; }, scale: function(_) { - return arguments.length ? (transform = scaleTranslate((k = +_) * sx, k * sy, tx, ty), reset()) : k; + return arguments.length ? (transform$$1 = scaleTranslate((k = +_) * sx, k * sy, tx, ty), reset()) : k; }, translate: function(_) { - return arguments.length ? (transform = scaleTranslate(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; + return arguments.length ? (transform$$1 = scaleTranslate(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; }, reflectX: function(_) { - return arguments.length ? (transform = scaleTranslate(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0; + return arguments.length ? (transform$$1 = scaleTranslate(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0; }, reflectY: function(_) { - return arguments.length ? (transform = scaleTranslate(k * sx, k * (sy = _ ? -1 : 1), tx, ty), reset()) : sy < 0; + return arguments.length ? (transform$$1 = scaleTranslate(k * sx, k * (sy = _ ? -1 : 1), tx, ty), reset()) : sy < 0; }, fitExtent: function(extent, object) { return fitExtent(projection, extent, object); @@ -9866,83 +9878,92 @@ Node.prototype = hierarchy.prototype = { copy: node_copy }; -function Node$2(value) { - this._ = value; - this.next = null; -} +var slice$3 = Array.prototype.slice; -var shuffle$1 = function(array) { - var i, - n = (array = array.slice()).length, - head = null, - node = head; +function shuffle$1(array) { + var m = array.length, + t, + i; - while (n) { - var next = new Node$2(array[n - 1]); - if (node) node = node.next = next; - else node = head = next; - array[i] = array[--n]; + while (m) { + i = Math.random() * m-- | 0; + t = array[m]; + array[m] = array[i]; + array[i] = t; } - return { - head: head, - tail: node - }; -}; + return array; +} var enclose = function(circles) { - return encloseN(shuffle$1(circles), []); + var i = 0, n = (circles = shuffle$1(slice$3.call(circles))).length, B = [], p, e; + + while (i < n) { + p = circles[i]; + if (e && enclosesWeak(e, p)) ++i; + else e = encloseBasis(B = extendBasis(B, p)), i = 0; + } + + return e; }; -function encloses(a, b) { - var dx = b.x - a.x, - dy = b.y - a.y, - dr = a.r - b.r; - return dr * dr + 1e-6 > dx * dx + dy * dy; -} +function extendBasis(B, p) { + var i, j; -// Returns the smallest circle that contains circles L and intersects circles B. -function encloseN(L, B) { - var circle, - l0 = null, - l1 = L.head, - l2, - p1; + if (enclosesWeakAll(p, B)) return [p]; - switch (B.length) { - case 1: circle = enclose1(B[0]); break; - case 2: circle = enclose2(B[0], B[1]); break; - case 3: circle = enclose3(B[0], B[1], B[2]); break; + // If we get here then B must have at least one element. + for (i = 0; i < B.length; ++i) { + if (enclosesNot(p, B[i]) + && enclosesWeakAll(encloseBasis2(B[i], p), B)) { + return [B[i], p]; + } } - while (l1) { - p1 = l1._, l2 = l1.next; - if (!circle || !encloses(circle, p1)) { + // If we get here then B must have at least two elements. + for (i = 0; i < B.length - 1; ++i) { + for (j = i + 1; j < B.length; ++j) { + if (enclosesNot(encloseBasis2(B[i], B[j]), p) + && enclosesNot(encloseBasis2(B[i], p), B[j]) + && enclosesNot(encloseBasis2(B[j], p), B[i]) + && enclosesWeakAll(encloseBasis3(B[i], B[j], p), B)) { + return [B[i], B[j], p]; + } + } + } - // Temporarily truncate L before l1. - if (l0) L.tail = l0, l0.next = null; - else L.head = L.tail = null; + // If we get here then something is very wrong. + throw new Error; +} - B.push(p1); - circle = encloseN(L, B); // Note: reorders L! - B.pop(); +function enclosesNot(a, b) { + var dr = a.r - b.r, dx = b.x - a.x, dy = b.y - a.y; + return dr < 0 || dr * dr < dx * dx + dy * dy; +} - // Move l1 to the front of L and reconnect the truncated list L. - if (L.head) l1.next = L.head, L.head = l1; - else l1.next = null, L.head = L.tail = l1; - l0 = L.tail, l0.next = l2; +function enclosesWeak(a, b) { + var dr = a.r - b.r + 1e-6, dx = b.x - a.x, dy = b.y - a.y; + return dr > 0 && dr * dr > dx * dx + dy * dy; +} - } else { - l0 = l1; +function enclosesWeakAll(a, B) { + for (var i = 0; i < B.length; ++i) { + if (!enclosesWeak(a, B[i])) { + return false; } - l1 = l2; } + return true; +} - L.tail = l0; - return circle; +function encloseBasis(B) { + switch (B.length) { + case 1: return encloseBasis1(B[0]); + case 2: return encloseBasis2(B[0], B[1]); + case 3: return encloseBasis3(B[0], B[1], B[2]); + } } -function enclose1(a) { +function encloseBasis1(a) { return { x: a.x, y: a.y, @@ -9950,7 +9971,7 @@ function enclose1(a) { }; } -function enclose2(a, b) { +function encloseBasis2(a, b) { var x1 = a.x, y1 = a.y, r1 = a.r, x2 = b.x, y2 = b.y, r2 = b.r, x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1, @@ -9962,30 +9983,31 @@ function enclose2(a, b) { }; } -function enclose3(a, b, c) { +function encloseBasis3(a, b, c) { var x1 = a.x, y1 = a.y, r1 = a.r, x2 = b.x, y2 = b.y, r2 = b.r, x3 = c.x, y3 = c.y, r3 = c.r, - a2 = 2 * (x1 - x2), - b2 = 2 * (y1 - y2), - c2 = 2 * (r2 - r1), - d2 = x1 * x1 + y1 * y1 - r1 * r1 - x2 * x2 - y2 * y2 + r2 * r2, - a3 = 2 * (x1 - x3), - b3 = 2 * (y1 - y3), - c3 = 2 * (r3 - r1), - d3 = x1 * x1 + y1 * y1 - r1 * r1 - x3 * x3 - y3 * y3 + r3 * r3, + a2 = x1 - x2, + a3 = x1 - x3, + b2 = y1 - y2, + b3 = y1 - y3, + c2 = r2 - r1, + c3 = r3 - r1, + d1 = x1 * x1 + y1 * y1 - r1 * r1, + d2 = d1 - x2 * x2 - y2 * y2 + r2 * r2, + d3 = d1 - x3 * x3 - y3 * y3 + r3 * r3, ab = a3 * b2 - a2 * b3, - xa = (b2 * d3 - b3 * d2) / ab - x1, + xa = (b2 * d3 - b3 * d2) / (ab * 2) - x1, xb = (b3 * c2 - b2 * c3) / ab, - ya = (a3 * d2 - a2 * d3) / ab - y1, + ya = (a3 * d2 - a2 * d3) / (ab * 2) - y1, yb = (a2 * c3 - a3 * c2) / ab, A = xb * xb + yb * yb - 1, - B = 2 * (xa * xb + ya * yb + r1), + B = 2 * (r1 + xa * xb + ya * yb), C = xa * xa + ya * ya - r1 * r1, - r = (-B - Math.sqrt(B * B - 4 * A * C)) / (2 * A); + r = -(A ? (B + Math.sqrt(B * B - 4 * A * C)) / (2 * A) : C / B); return { - x: xa + xb * r + x1, - y: ya + yb * r + y1, + x: x1 + xa + xb * r, + y: y1 + ya + yb * r, r: r }; } @@ -10016,12 +10038,12 @@ function intersects(a, b) { return dr * dr - 1e-6 > dx * dx + dy * dy; } -function distance2(node, x, y) { +function score(node) { var a = node._, b = node.next._, ab = a.r + b.r, - dx = (a.x * b.r + b.x * a.r) / ab - x, - dy = (a.y * b.r + b.y * a.r) / ab - y; + dx = (a.x * b.r + b.x * a.r) / ab, + dy = (a.y * b.r + b.y * a.r) / ab; return dx * dx + dy * dy; } @@ -10034,7 +10056,7 @@ function Node$1(circle) { function packEnclose(circles) { if (!(n = circles.length)) return 0; - var a, b, c, n; + var a, b, c, n, aa, ca, i, j, k, sj, sk; // Place the first circle. a = circles[0], a.x = 0, a.y = 0; @@ -10047,15 +10069,6 @@ function packEnclose(circles) { // Place the third circle. place(b, a, c = circles[2]); - // Initialize the weighted centroid. - var aa = a.r * a.r, - ba = b.r * b.r, - ca = c.r * c.r, - oa = aa + ba + ca, - ox = aa * a.x + ba * b.x + ca * c.x, - oy = aa * a.y + ba * b.y + ca * c.y, - cx, cy, i, j, k, sj, sk; - // Initialize the front-chain using the first three circles a, b and c. a = new Node$1(a), b = new Node$1(b), c = new Node$1(c); a.next = c.previous = b; @@ -10089,15 +10102,10 @@ function packEnclose(circles) { // Success! Insert the new circle c between a and b. c.previous = a, c.next = b, a.next = b.previous = b = c; - // Update the weighted centroid. - oa += ca = c._.r * c._.r; - ox += ca * c._.x; - oy += ca * c._.y; - // Compute the new closest circle pair to the centroid. - aa = distance2(a, cx = ox / oa, cy = oy / oa); + aa = score(a); while ((c = c.next) !== b) { - if ((ca = distance2(c, cx, cy)) < aa) { + if ((ca = score(c)) < aa) { a = c, aa = ca; } } @@ -10654,7 +10662,7 @@ function squarifyRatio(ratio, parent, x0, y0, x1, y1) { return rows; } -var squarify = ((function custom(ratio) { +var squarify = (function custom(ratio) { function squarify(parent, x0, y0, x1, y1) { squarifyRatio(ratio, parent, x0, y0, x1, y1); @@ -10665,7 +10673,7 @@ var squarify = ((function custom(ratio) { }; return squarify; -}))(phi); +})(phi); var index$3 = function() { var tile = squarify, @@ -10808,7 +10816,7 @@ var sliceDice = function(parent, x0, y0, x1, y1) { (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); }; -var resquarify = ((function custom(ratio) { +var resquarify = (function custom(ratio) { function resquarify(parent, x0, y0, x1, y1) { if ((rows = parent._squarify) && (rows.ratio === ratio)) { @@ -10839,7 +10847,7 @@ var resquarify = ((function custom(ratio) { }; return resquarify; -}))(phi); +})(phi); var area$1 = function(polygon) { var i = -1, @@ -10975,7 +10983,7 @@ var length$2 = function(polygon) { return perimeter; }; -var slice$3 = [].slice; +var slice$4 = [].slice; var noabort = {}; @@ -10997,7 +11005,7 @@ Queue.prototype = queue.prototype = { if (typeof callback !== "function") throw new Error("invalid callback"); if (this._call) throw new Error("defer after await"); if (this._error != null) return this; - var t = slice$3.call(arguments, 1); + var t = slice$4.call(arguments, 1); t.push(callback); ++this._waiting, this._tasks.push(t); poke$1(this); @@ -11101,7 +11109,7 @@ var defaultSource$1 = function() { return Math.random(); }; -var uniform = ((function sourceRandomUniform(source) { +var uniform = (function sourceRandomUniform(source) { function randomUniform(min, max) { min = min == null ? 0 : +min; max = max == null ? 1 : +max; @@ -11115,9 +11123,9 @@ var uniform = ((function sourceRandomUniform(source) { randomUniform.source = sourceRandomUniform; return randomUniform; -}))(defaultSource$1); +})(defaultSource$1); -var normal = ((function sourceRandomNormal(source) { +var normal = (function sourceRandomNormal(source) { function randomNormal(mu, sigma) { var x, r; mu = mu == null ? 0 : +mu; @@ -11142,9 +11150,9 @@ var normal = ((function sourceRandomNormal(source) { randomNormal.source = sourceRandomNormal; return randomNormal; -}))(defaultSource$1); +})(defaultSource$1); -var logNormal = ((function sourceRandomLogNormal(source) { +var logNormal = (function sourceRandomLogNormal(source) { function randomLogNormal() { var randomNormal = normal.source(source).apply(this, arguments); return function() { @@ -11155,9 +11163,9 @@ var logNormal = ((function sourceRandomLogNormal(source) { randomLogNormal.source = sourceRandomLogNormal; return randomLogNormal; -}))(defaultSource$1); +})(defaultSource$1); -var irwinHall = ((function sourceRandomIrwinHall(source) { +var irwinHall = (function sourceRandomIrwinHall(source) { function randomIrwinHall(n) { return function() { for (var sum = 0, i = 0; i < n; ++i) sum += source(); @@ -11168,9 +11176,9 @@ var irwinHall = ((function sourceRandomIrwinHall(source) { randomIrwinHall.source = sourceRandomIrwinHall; return randomIrwinHall; -}))(defaultSource$1); +})(defaultSource$1); -var bates = ((function sourceRandomBates(source) { +var bates = (function sourceRandomBates(source) { function randomBates(n) { var randomIrwinHall = irwinHall.source(source)(n); return function() { @@ -11181,9 +11189,9 @@ var bates = ((function sourceRandomBates(source) { randomBates.source = sourceRandomBates; return randomBates; -}))(defaultSource$1); +})(defaultSource$1); -var exponential$1 = ((function sourceRandomExponential(source) { +var exponential$1 = (function sourceRandomExponential(source) { function randomExponential(lambda) { return function() { return -Math.log(1 - source()) / lambda; @@ -11193,7 +11201,7 @@ var exponential$1 = ((function sourceRandomExponential(source) { randomExponential.source = sourceRandomExponential; return randomExponential; -}))(defaultSource$1); +})(defaultSource$1); var request = function(url, callback) { var request, @@ -11396,7 +11404,7 @@ var tsv$1 = dsv$1("text/tab-separated-values", tsvParse); var array$2 = Array.prototype; var map$3 = array$2.map; -var slice$4 = array$2.slice; +var slice$5 = array$2.slice; var implicit = {name: "implicit"}; @@ -11405,7 +11413,7 @@ function ordinal(range) { domain = [], unknown = implicit; - range = range == null ? [] : slice$4.call(range); + range = range == null ? [] : slice$5.call(range); function scale(d) { var key = d + "", i = index.get(key); @@ -11425,7 +11433,7 @@ function ordinal(range) { }; scale.range = function(_) { - return arguments.length ? (range = slice$4.call(_), scale) : range.slice(); + return arguments.length ? (range = slice$5.call(_), scale) : range.slice(); }; scale.unknown = function(_) { @@ -11446,7 +11454,7 @@ function band() { var scale = ordinal().unknown(undefined), domain = scale.domain, ordinalRange = scale.range, - range$$1 = [0, 1], + range = [0, 1], step, bandwidth, round = false, @@ -11458,9 +11466,9 @@ function band() { function rescale() { var n = domain().length, - reverse = range$$1[1] < range$$1[0], - start = range$$1[reverse - 0], - stop = range$$1[1 - reverse]; + reverse = range[1] < range[0], + start = range[reverse - 0], + stop = range[1 - reverse]; step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); if (round) step = Math.floor(step); start += (stop - start - step * (n - paddingInner)) * align; @@ -11475,11 +11483,11 @@ function band() { }; scale.range = function(_) { - return arguments.length ? (range$$1 = [+_[0], +_[1]], rescale()) : range$$1.slice(); + return arguments.length ? (range = [+_[0], +_[1]], rescale()) : range.slice(); }; scale.rangeRound = function(_) { - return range$$1 = [+_[0], +_[1]], round = true, rescale(); + return range = [+_[0], +_[1]], round = true, rescale(); }; scale.bandwidth = function() { @@ -11513,7 +11521,7 @@ function band() { scale.copy = function() { return band() .domain(domain()) - .range(range$$1) + .range(range) .round(round) .paddingInner(paddingInner) .paddingOuter(paddingOuter) @@ -11547,7 +11555,7 @@ var constant$9 = function(x) { }; }; -var number$1 = function(x) { +var number$2 = function(x) { return +x; }; @@ -11566,22 +11574,22 @@ function deinterpolateClamp(deinterpolate) { }; } -function reinterpolateClamp(reinterpolate) { +function reinterpolateClamp(reinterpolate$$1) { return function(a, b) { - var r = reinterpolate(a = +a, b = +b); + var r = reinterpolate$$1(a = +a, b = +b); return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; }; } -function bimap(domain, range$$1, deinterpolate, reinterpolate) { - var d0 = domain[0], d1 = domain[1], r0 = range$$1[0], r1 = range$$1[1]; - if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); - else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); +function bimap(domain, range, deinterpolate, reinterpolate$$1) { + var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; + if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate$$1(r1, r0); + else d0 = deinterpolate(d0, d1), r0 = reinterpolate$$1(r0, r1); return function(x) { return r0(d0(x)); }; } -function polymap(domain, range$$1, deinterpolate, reinterpolate) { - var j = Math.min(domain.length, range$$1.length) - 1, +function polymap(domain, range, deinterpolate, reinterpolate$$1) { + var j = Math.min(domain.length, range.length) - 1, d = new Array(j), r = new Array(j), i = -1; @@ -11589,12 +11597,12 @@ function polymap(domain, range$$1, deinterpolate, reinterpolate) { // Reverse descending domains. if (domain[j] < domain[0]) { domain = domain.slice().reverse(); - range$$1 = range$$1.slice().reverse(); + range = range.slice().reverse(); } while (++i < j) { d[i] = deinterpolate(domain[i], domain[i + 1]); - r[i] = reinterpolate(range$$1[i], range$$1[i + 1]); + r[i] = reinterpolate$$1(range[i], range[i + 1]); } return function(x) { @@ -11613,39 +11621,39 @@ function copy(source, target) { // deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. // reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. -function continuous(deinterpolate, reinterpolate) { +function continuous(deinterpolate, reinterpolate$$1) { var domain = unit, - range$$1 = unit, - interpolate$$1 = interpolateValue, + range = unit, + interpolate = interpolateValue, clamp = false, piecewise, output, input; function rescale() { - piecewise = Math.min(domain.length, range$$1.length) > 2 ? polymap : bimap; + piecewise = Math.min(domain.length, range.length) > 2 ? polymap : bimap; output = input = null; return scale; } function scale(x) { - return (output || (output = piecewise(domain, range$$1, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x); + return (output || (output = piecewise(domain, range, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate)))(+x); } scale.invert = function(y) { - return (input || (input = piecewise(range$$1, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); + return (input || (input = piecewise(range, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate$$1) : reinterpolate$$1)))(+y); }; scale.domain = function(_) { - return arguments.length ? (domain = map$3.call(_, number$1), rescale()) : domain.slice(); + return arguments.length ? (domain = map$3.call(_, number$2), rescale()) : domain.slice(); }; scale.range = function(_) { - return arguments.length ? (range$$1 = slice$4.call(_), rescale()) : range$$1.slice(); + return arguments.length ? (range = slice$5.call(_), rescale()) : range.slice(); }; scale.rangeRound = function(_) { - return range$$1 = slice$4.call(_), interpolate$$1 = interpolateRound, rescale(); + return range = slice$5.call(_), interpolate = interpolateRound, rescale(); }; scale.clamp = function(_) { @@ -11653,7 +11661,7 @@ function continuous(deinterpolate, reinterpolate) { }; scale.interpolate = function(_) { - return arguments.length ? (interpolate$$1 = _, rescale()) : interpolate$$1; + return arguments.length ? (interpolate = _, rescale()) : interpolate; }; return rescale(); @@ -11763,7 +11771,7 @@ function identity$6() { scale.invert = scale; scale.domain = scale.range = function(_) { - return arguments.length ? (domain = map$3.call(_, number$1), scale) : domain.slice(); + return arguments.length ? (domain = map$3.call(_, number$2), scale) : domain.slice(); }; scale.copy = function() { @@ -11950,24 +11958,24 @@ function sqrt$1() { return pow$1().exponent(0.5); } -function quantile$$1() { +function quantile() { var domain = [], - range$$1 = [], + range = [], thresholds = []; function rescale() { - var i = 0, n = Math.max(1, range$$1.length); + var i = 0, n = Math.max(1, range.length); thresholds = new Array(n - 1); while (++i < n) thresholds[i - 1] = threshold(domain, i / n); return scale; } function scale(x) { - if (!isNaN(x = +x)) return range$$1[bisectRight(thresholds, x)]; + if (!isNaN(x = +x)) return range[bisectRight(thresholds, x)]; } scale.invertExtent = function(y) { - var i = range$$1.indexOf(y); + var i = range.indexOf(y); return i < 0 ? [NaN, NaN] : [ i > 0 ? thresholds[i - 1] : domain[0], i < thresholds.length ? thresholds[i] : domain[domain.length - 1] @@ -11983,7 +11991,7 @@ function quantile$$1() { }; scale.range = function(_) { - return arguments.length ? (range$$1 = slice$4.call(_), rescale()) : range$$1.slice(); + return arguments.length ? (range = slice$5.call(_), rescale()) : range.slice(); }; scale.quantiles = function() { @@ -11991,9 +11999,9 @@ function quantile$$1() { }; scale.copy = function() { - return quantile$$1() + return quantile() .domain(domain) - .range(range$$1); + .range(range); }; return scale; @@ -12004,10 +12012,10 @@ function quantize$1() { x1 = 1, n = 1, domain = [0.5], - range$$1 = [0, 1]; + range = [0, 1]; function scale(x) { - if (x <= x) return range$$1[bisectRight(domain, x, 0, n)]; + if (x <= x) return range[bisectRight(domain, x, 0, n)]; } function rescale() { @@ -12022,11 +12030,11 @@ function quantize$1() { }; scale.range = function(_) { - return arguments.length ? (n = (range$$1 = slice$4.call(_)).length - 1, rescale()) : range$$1.slice(); + return arguments.length ? (n = (range = slice$5.call(_)).length - 1, rescale()) : range.slice(); }; scale.invertExtent = function(y) { - var i = range$$1.indexOf(y); + var i = range.indexOf(y); return i < 0 ? [NaN, NaN] : i < 1 ? [x0, domain[0]] : i >= n ? [domain[n - 1], x1] @@ -12036,7 +12044,7 @@ function quantize$1() { scale.copy = function() { return quantize$1() .domain([x0, x1]) - .range(range$$1); + .range(range); }; return linearish(scale); @@ -12044,30 +12052,30 @@ function quantize$1() { function threshold$1() { var domain = [0.5], - range$$1 = [0, 1], + range = [0, 1], n = 1; function scale(x) { - if (x <= x) return range$$1[bisectRight(domain, x, 0, n)]; + if (x <= x) return range[bisectRight(domain, x, 0, n)]; } scale.domain = function(_) { - return arguments.length ? (domain = slice$4.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : domain.slice(); + return arguments.length ? (domain = slice$5.call(_), n = Math.min(domain.length, range.length - 1), scale) : domain.slice(); }; scale.range = function(_) { - return arguments.length ? (range$$1 = slice$4.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : range$$1.slice(); + return arguments.length ? (range = slice$5.call(_), n = Math.min(domain.length, range.length - 1), scale) : range.slice(); }; scale.invertExtent = function(y) { - var i = range$$1.indexOf(y); + var i = range.indexOf(y); return [domain[i - 1], domain[i]]; }; scale.copy = function() { return threshold$1() .domain(domain) - .range(range$$1); + .range(range); }; return scale; @@ -12111,7 +12119,13 @@ function newInterval(floori, offseti, count, field) { return newInterval(function(date) { if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1); }, function(date, step) { - if (date >= date) while (--step >= 0) while (offseti(date, 1), !test(date)) {} // eslint-disable-line no-empty + if (date >= date) { + if (step < 0) while (++step <= 0) { + while (offseti(date, -1), !test(date)) {} // eslint-disable-line no-empty + } else while (--step >= 0) { + while (offseti(date, +1), !test(date)) {} // eslint-disable-line no-empty + } + } }); }; @@ -12964,7 +12978,7 @@ function date$1(t) { return new Date(t); } -function number$2(t) { +function number$3(t) { return t instanceof Date ? +t : +new Date(+t); } @@ -13003,39 +13017,39 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 [ year$$1, 1, durationYear ] ]; - function tickFormat(date) { - return (second$$1(date) < date ? formatMillisecond - : minute$$1(date) < date ? formatSecond - : hour$$1(date) < date ? formatMinute - : day$$1(date) < date ? formatHour - : month$$1(date) < date ? (week(date) < date ? formatDay : formatWeek) - : year$$1(date) < date ? formatMonth - : formatYear)(date); + function tickFormat(date$$1) { + return (second$$1(date$$1) < date$$1 ? formatMillisecond + : minute$$1(date$$1) < date$$1 ? formatSecond + : hour$$1(date$$1) < date$$1 ? formatMinute + : day$$1(date$$1) < date$$1 ? formatHour + : month$$1(date$$1) < date$$1 ? (week(date$$1) < date$$1 ? formatDay : formatWeek) + : year$$1(date$$1) < date$$1 ? formatMonth + : formatYear)(date$$1); } - function tickInterval(interval, start, stop, step) { - if (interval == null) interval = 10; + function tickInterval(interval$$1, start, stop, step) { + if (interval$$1 == null) interval$$1 = 10; // If a desired tick count is specified, pick a reasonable tick interval // based on the extent of the domain and a rough estimate of tick size. // Otherwise, assume interval is already a time interval and use it. - if (typeof interval === "number") { - var target = Math.abs(stop - start) / interval, + if (typeof interval$$1 === "number") { + var target = Math.abs(stop - start) / interval$$1, i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); if (i === tickIntervals.length) { - step = tickStep(start / durationYear, stop / durationYear, interval); - interval = year$$1; + step = tickStep(start / durationYear, stop / durationYear, interval$$1); + interval$$1 = year$$1; } else if (i) { i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; step = i[1]; - interval = i[0]; + interval$$1 = i[0]; } else { - step = tickStep(start, stop, interval); - interval = millisecond$$1; + step = tickStep(start, stop, interval$$1); + interval$$1 = millisecond$$1; } } - return step == null ? interval : interval.every(step); + return step == null ? interval$$1 : interval$$1.every(step); } scale.invert = function(y) { @@ -13043,17 +13057,17 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 }; scale.domain = function(_) { - return arguments.length ? domain(map$3.call(_, number$2)) : domain().map(date$1); + return arguments.length ? domain(map$3.call(_, number$3)) : domain().map(date$1); }; - scale.ticks = function(interval, step) { + scale.ticks = function(interval$$1, step) { var d = domain(), t0 = d[0], t1 = d[d.length - 1], r = t1 < t0, t; if (r) t = t0, t0 = t1, t1 = t; - t = tickInterval(interval, t0, t1, step); + t = tickInterval(interval$$1, t0, t1, step); t = t ? t.range(t0, t1 + 1) : []; // inclusive stop return r ? t.reverse() : t; }; @@ -13062,10 +13076,10 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 return specifier == null ? tickFormat : format(specifier); }; - scale.nice = function(interval, step) { + scale.nice = function(interval$$1, step) { var d = domain(); - return (interval = tickInterval(interval, d[0], d[d.length - 1], step)) - ? domain(nice(d, interval)) + return (interval$$1 = tickInterval(interval$$1, d[0], d[d.length - 1], step)) + ? domain(nice(d, interval$$1)) : scale; }; @@ -13483,8 +13497,8 @@ function y$3(p) { } var line = function() { - var x$$1 = x$3, - y$$1 = y$3, + var x = x$3, + y = y$3, defined = constant$10(true), context = null, curve = curveLinear, @@ -13504,18 +13518,18 @@ var line = function() { if (defined0 = !defined0) output.lineStart(); else output.lineEnd(); } - if (defined0) output.point(+x$$1(d, i, data), +y$$1(d, i, data)); + if (defined0) output.point(+x(d, i, data), +y(d, i, data)); } if (buffer) return output = null, buffer + "" || null; } line.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : x$$1; + return arguments.length ? (x = typeof _ === "function" ? _ : constant$10(+_), line) : x; }; line.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : y$$1; + return arguments.length ? (y = typeof _ === "function" ? _ : constant$10(+_), line) : y; }; line.defined = function(_) { @@ -13755,7 +13769,7 @@ function curveRadial(curve) { return radial; } -function radialLine(l) { +function lineRadial(l) { var c = l.curve; l.angle = l.x, delete l.x; @@ -13768,11 +13782,11 @@ function radialLine(l) { return l; } -var radialLine$1 = function() { - return radialLine(line().curve(curveRadialLinear)); +var lineRadial$1 = function() { + return lineRadial(line().curve(curveRadialLinear)); }; -var radialArea = function() { +var areaRadial = function() { var a = area$2().curve(curveRadialLinear), c = a.curve, x0 = a.lineX0, @@ -13786,10 +13800,10 @@ var radialArea = function() { a.radius = a.y, delete a.y; a.innerRadius = a.y0, delete a.y0; a.outerRadius = a.y1, delete a.y1; - a.lineStartAngle = function() { return radialLine(x0()); }, delete a.lineX0; - a.lineEndAngle = function() { return radialLine(x1()); }, delete a.lineX1; - a.lineInnerRadius = function() { return radialLine(y0()); }, delete a.lineY0; - a.lineOuterRadius = function() { return radialLine(y1()); }, delete a.lineY1; + a.lineStartAngle = function() { return lineRadial(x0()); }, delete a.lineX0; + a.lineEndAngle = function() { return lineRadial(x1()); }, delete a.lineX1; + a.lineInnerRadius = function() { return lineRadial(y0()); }, delete a.lineY0; + a.lineOuterRadius = function() { return lineRadial(y1()); }, delete a.lineY1; a.curve = function(_) { return arguments.length ? c(curveRadial(_)) : c()._curve; @@ -13798,12 +13812,12 @@ var radialArea = function() { return a; }; -var slice$5 = Array.prototype.slice; - -var radialPoint = function(x, y) { +var pointRadial = function(x, y) { return [(y = +y) * Math.cos(x -= Math.PI / 2), y * Math.sin(x)]; }; +var slice$6 = Array.prototype.slice; + function linkSource(d) { return d.source; } @@ -13815,14 +13829,14 @@ function linkTarget(d) { function link$2(curve) { var source = linkSource, target = linkTarget, - x$$1 = x$3, - y$$1 = y$3, + x = x$3, + y = y$3, context = null; function link() { - var buffer, argv = slice$5.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); + var buffer, argv = slice$6.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); if (!context) context = buffer = path(); - curve(context, +x$$1.apply(this, (argv[0] = s, argv)), +y$$1.apply(this, argv), +x$$1.apply(this, (argv[0] = t, argv)), +y$$1.apply(this, argv)); + curve(context, +x.apply(this, (argv[0] = s, argv)), +y.apply(this, argv), +x.apply(this, (argv[0] = t, argv)), +y.apply(this, argv)); if (buffer) return context = null, buffer + "" || null; } @@ -13835,11 +13849,11 @@ function link$2(curve) { }; link.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : x$$1; + return arguments.length ? (x = typeof _ === "function" ? _ : constant$10(+_), link) : x; }; link.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : y$$1; + return arguments.length ? (y = typeof _ === "function" ? _ : constant$10(+_), link) : y; }; link.context = function(_) { @@ -13860,10 +13874,10 @@ function curveVertical(context, x0, y0, x1, y1) { } function curveRadial$1(context, x0, y0, x1, y1) { - var p0 = radialPoint(x0, y0), - p1 = radialPoint(x0, y0 = (y0 + y1) / 2), - p2 = radialPoint(x1, y0), - p3 = radialPoint(x1, y1); + var p0 = pointRadial(x0, y0), + p1 = pointRadial(x0, y0 = (y0 + y1) / 2), + p2 = pointRadial(x1, y0), + p3 = pointRadial(x1, y1); context.moveTo(p0[0], p0[1]); context.bezierCurveTo(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]); } @@ -14216,7 +14230,7 @@ Bundle.prototype = { } }; -var bundle = ((function custom(beta) { +var bundle = (function custom(beta) { function bundle(context) { return beta === 1 ? new Basis(context) : new Bundle(context, beta); @@ -14227,7 +14241,7 @@ var bundle = ((function custom(beta) { }; return bundle; -}))(0.85); +})(0.85); function point$3(that, x, y) { that._context.bezierCurveTo( @@ -14278,7 +14292,7 @@ Cardinal.prototype = { } }; -var cardinal = ((function custom(tension) { +var cardinal = (function custom(tension) { function cardinal(context) { return new Cardinal(context, tension); @@ -14289,7 +14303,7 @@ var cardinal = ((function custom(tension) { }; return cardinal; -}))(0); +})(0); function CardinalClosed(context, tension) { this._context = context; @@ -14337,18 +14351,18 @@ CardinalClosed.prototype = { } }; -var cardinalClosed = ((function custom(tension) { +var cardinalClosed = (function custom(tension) { - function cardinal(context) { + function cardinal$$1(context) { return new CardinalClosed(context, tension); } - cardinal.tension = function(tension) { + cardinal$$1.tension = function(tension) { return custom(+tension); }; - return cardinal; -}))(0); + return cardinal$$1; +})(0); function CardinalOpen(context, tension) { this._context = context; @@ -14385,18 +14399,18 @@ CardinalOpen.prototype = { } }; -var cardinalOpen = ((function custom(tension) { +var cardinalOpen = (function custom(tension) { - function cardinal(context) { + function cardinal$$1(context) { return new CardinalOpen(context, tension); } - cardinal.tension = function(tension) { + cardinal$$1.tension = function(tension) { return custom(+tension); }; - return cardinal; -}))(0); + return cardinal$$1; +})(0); function point$4(that, x, y) { var x1 = that._x1, @@ -14471,7 +14485,7 @@ CatmullRom.prototype = { } }; -var catmullRom = ((function custom(alpha) { +var catmullRom = (function custom(alpha) { function catmullRom(context) { return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); @@ -14482,7 +14496,7 @@ var catmullRom = ((function custom(alpha) { }; return catmullRom; -}))(0.5); +})(0.5); function CatmullRomClosed(context, alpha) { this._context = context; @@ -14542,18 +14556,18 @@ CatmullRomClosed.prototype = { } }; -var catmullRomClosed = ((function custom(alpha) { +var catmullRomClosed = (function custom(alpha) { - function catmullRom(context) { + function catmullRom$$1(context) { return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); } - catmullRom.alpha = function(alpha) { + catmullRom$$1.alpha = function(alpha) { return custom(+alpha); }; - return catmullRom; -}))(0.5); + return catmullRom$$1; +})(0.5); function CatmullRomOpen(context, alpha) { this._context = context; @@ -14602,18 +14616,18 @@ CatmullRomOpen.prototype = { } }; -var catmullRomOpen = ((function custom(alpha) { +var catmullRomOpen = (function custom(alpha) { - function catmullRom(context) { + function catmullRom$$1(context) { return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); } - catmullRom.alpha = function(alpha) { + catmullRom$$1.alpha = function(alpha) { return custom(+alpha); }; - return catmullRom; -}))(0.5); + return catmullRom$$1; +})(0.5); function LinearClosed(context) { this._context = context; @@ -14915,7 +14929,7 @@ var stack = function() { } stack.keys = function(_) { - return arguments.length ? (keys = typeof _ === "function" ? _ : constant$10(slice$5.call(_)), stack) : keys; + return arguments.length ? (keys = typeof _ === "function" ? _ : constant$10(slice$6.call(_)), stack) : keys; }; stack.value = function(_) { @@ -14923,7 +14937,7 @@ var stack = function() { }; stack.order = function(_) { - return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$10(slice$5.call(_)), stack) : order; + return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$10(slice$6.call(_)), stack) : order; }; stack.offset = function(_) { @@ -15976,13 +15990,13 @@ Diagram.prototype = { }; var voronoi = function() { - var x$$1 = x$4, - y$$1 = y$4, + var x = x$4, + y = y$4, extent = null; function voronoi(data) { return new Diagram(data.map(function(d, i) { - var s = [Math.round(x$$1(d, i, data) / epsilon$4) * epsilon$4, Math.round(y$$1(d, i, data) / epsilon$4) * epsilon$4]; + var s = [Math.round(x(d, i, data) / epsilon$4) * epsilon$4, Math.round(y(d, i, data) / epsilon$4) * epsilon$4]; s.index = i; s.data = d; return s; @@ -16002,11 +16016,11 @@ var voronoi = function() { }; voronoi.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : x$$1; + return arguments.length ? (x = typeof _ === "function" ? _ : constant$11(+_), voronoi) : x; }; voronoi.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : y$$1; + return arguments.length ? (y = typeof _ === "function" ? _ : constant$11(+_), voronoi) : y; }; voronoi.extent = function(_) { @@ -16114,9 +16128,18 @@ function defaultTransform() { return this.__zoom || identity$8; } +function defaultWheelDelta() { + return -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500; +} + +function touchable$1() { + return "ontouchstart" in this; +} + var zoom = function() { var filter = defaultFilter$2, extent = defaultExtent$1, + wheelDelta = defaultWheelDelta, k0 = 0, k1 = Infinity, x0 = -k1, @@ -16124,7 +16147,7 @@ var zoom = function() { y0 = x0, y1 = x1, duration = 250, - interpolate$$1 = interpolateZoom, + interpolate = interpolateZoom, gestures = [], listeners = dispatch("start", "zoom", "end"), touchstarting, @@ -16135,26 +16158,28 @@ var zoom = function() { function zoom(selection$$1) { selection$$1 + .property("__zoom", defaultTransform) .on("wheel.zoom", wheeled) .on("mousedown.zoom", mousedowned) .on("dblclick.zoom", dblclicked) + .filter(touchable$1) .on("touchstart.zoom", touchstarted) .on("touchmove.zoom", touchmoved) .on("touchend.zoom touchcancel.zoom", touchended) - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") - .property("__zoom", defaultTransform); + .style("touch-action", "none") + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); } - zoom.transform = function(collection, transform) { + zoom.transform = function(collection, transform$$1) { var selection$$1 = collection.selection ? collection.selection() : collection; selection$$1.property("__zoom", defaultTransform); if (collection !== selection$$1) { - schedule(collection, transform); + schedule(collection, transform$$1); } else { selection$$1.interrupt().each(function() { gesture(this, arguments) .start() - .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) + .zoom(null, typeof transform$$1 === "function" ? transform$$1.apply(this, arguments) : transform$$1) .end(); }); } @@ -16188,22 +16213,34 @@ var zoom = function() { }); }; - function scale(transform, k) { + zoom.translateTo = function(selection$$1, x, y) { + zoom.transform(selection$$1, function() { + var e = extent.apply(this, arguments), + t = this.__zoom, + p = centroid(e); + return constrain(identity$8.translate(p[0], p[1]).scale(t.k).translate( + typeof x === "function" ? -x.apply(this, arguments) : -x, + typeof y === "function" ? -y.apply(this, arguments) : -y + ), e); + }); + }; + + function scale(transform$$1, k) { k = Math.max(k0, Math.min(k1, k)); - return k === transform.k ? transform : new Transform(k, transform.x, transform.y); + return k === transform$$1.k ? transform$$1 : new Transform(k, transform$$1.x, transform$$1.y); } - function translate(transform, p0, p1) { - var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k; - return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y); + function translate(transform$$1, p0, p1) { + var x = p0[0] - p1[0] * transform$$1.k, y = p0[1] - p1[1] * transform$$1.k; + return x === transform$$1.x && y === transform$$1.y ? transform$$1 : new Transform(transform$$1.k, x, y); } - function constrain(transform, extent) { - var dx0 = transform.invertX(extent[0][0]) - x0, - dx1 = transform.invertX(extent[1][0]) - x1, - dy0 = transform.invertY(extent[0][1]) - y0, - dy1 = transform.invertY(extent[1][1]) - y1; - return transform.translate( + function constrain(transform$$1, extent) { + var dx0 = transform$$1.invertX(extent[0][0]) - x0, + dx1 = transform$$1.invertX(extent[1][0]) - x1, + dy0 = transform$$1.invertY(extent[0][1]) - y0, + dy1 = transform$$1.invertY(extent[1][1]) - y1; + return transform$$1.translate( dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1), dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1) ); @@ -16213,7 +16250,7 @@ var zoom = function() { return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; } - function schedule(transition$$1, transform, center) { + function schedule(transition$$1, transform$$1, center) { transition$$1 .on("start.zoom", function() { gesture(this, arguments).start(); }) .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) @@ -16225,8 +16262,8 @@ var zoom = function() { p = center || centroid(e), w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), a = that.__zoom, - b = typeof transform === "function" ? transform.apply(that, args) : transform, - i = interpolate$$1(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); + b = typeof transform$$1 === "function" ? transform$$1.apply(that, args) : transform$$1, + i = interpolate(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); return function(t) { if (t === 1) t = b; // Avoid rounding error on end. else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); } @@ -16260,11 +16297,11 @@ var zoom = function() { } return this; }, - zoom: function(key, transform) { - if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]); - if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); - if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); - this.that.__zoom = transform; + zoom: function(key, transform$$1) { + if (this.mouse && key !== "mouse") this.mouse[1] = transform$$1.invert(this.mouse[0]); + if (this.touch0 && key !== "touch") this.touch0[1] = transform$$1.invert(this.touch0[0]); + if (this.touch1 && key !== "touch") this.touch1[1] = transform$$1.invert(this.touch1[0]); + this.that.__zoom = transform$$1; this.emit("zoom"); return this; }, @@ -16285,7 +16322,7 @@ var zoom = function() { if (!filter.apply(this, arguments)) return; var g = gesture(this, arguments), t = this.__zoom, - k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500))), + k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, wheelDelta.apply(this, arguments)))), p = mouse(this); // If the mouse is in the same location as before, reuse it. @@ -16439,6 +16476,10 @@ var zoom = function() { else g.end(); } + zoom.wheelDelta = function(_) { + return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant$12(+_), zoom) : wheelDelta; + }; + zoom.filter = function(_) { return arguments.length ? (filter = typeof _ === "function" ? _ : constant$12(!!_), zoom) : filter; }; @@ -16460,7 +16501,7 @@ var zoom = function() { }; zoom.interpolate = function(_) { - return arguments.length ? (interpolate$$1 = _, zoom) : interpolate$$1; + return arguments.length ? (interpolate = _, zoom) : interpolate; }; zoom.on = function() { @@ -16471,7 +16512,7 @@ var zoom = function() { zoom.clickDistance = function(_) { return arguments.length ? (clickDistance2 = (_ = +_) * _, zoom) : Math.sqrt(clickDistance2); }; - + return zoom; }; @@ -16702,7 +16743,7 @@ exports.scaleOrdinal = ordinal; exports.scaleImplicit = implicit; exports.scalePow = pow$1; exports.scaleSqrt = sqrt$1; -exports.scaleQuantile = quantile$$1; +exports.scaleQuantile = quantile; exports.scaleQuantize = quantize$1; exports.scaleThreshold = threshold$1; exports.scaleTime = time; @@ -16740,8 +16781,11 @@ exports.arc = arc; exports.area = area$2; exports.line = line; exports.pie = pie; -exports.radialArea = radialArea; -exports.radialLine = radialLine$1; +exports.areaRadial = areaRadial; +exports.radialArea = areaRadial; +exports.lineRadial = lineRadial$1; +exports.radialLine = lineRadial$1; +exports.pointRadial = pointRadial; exports.linkHorizontal = linkHorizontal; exports.linkVertical = linkVertical; exports.linkRadial = linkRadial; diff --git a/app/assets/javascripts/d3.v4.min.js b/app/assets/javascripts/d3.v4.min.js index 8a0709b..6a27058 100644 --- a/app/assets/javascripts/d3.v4.min.js +++ b/app/assets/javascripts/d3.v4.min.js @@ -1,8 +1,2 @@ -// https://d3js.org Version 4.9.1. 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arguments.length?n(Ba(t)):n()._curve},t},Tg=function(t,n){return[(n=+n)*Math.cos(t-=Math.PI/2),n*Math.sin(t)]},kg=Array.prototype.slice,Ng={draw:function(t,n){var e=Math.sqrt(n/pg);t.moveTo(e,0),t.arc(0,0,e,0,vg)}},Sg={draw:function(t,n){var e=Math.sqrt(n/5)/2;t.moveTo(-3*e,-e),t.lineTo(-e,-e),t.lineTo(-e,-3*e),t.lineTo(e,-3*e),t.lineTo(e,-e),t.lineTo(3*e,-e),t.lineTo(3*e,e),t.lineTo(e,e),t.lineTo(e,3*e),t.lineTo(-e,3*e),t.lineTo(-e,e),t.lineTo(-3*e,e),t.closePath()}},Eg=Math.sqrt(1/3),Ag=2*Eg,Cg={draw:function(t,n){var e=Math.sqrt(n/Ag),r=e*Eg;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},zg=Math.sin(pg/10)/Math.sin(7*pg/10),Pg=Math.sin(vg/10)*zg,Rg=-Math.cos(vg/10)*zg,Lg={draw:function(t,n){var e=Math.sqrt(.8908130915292852*n),r=Pg*e,i=Rg*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var u=vg*o/5,a=Math.cos(u),c=Math.sin(u);t.lineTo(c*e,-a*e),t.lineTo(a*r-c*i,c*r+a*i)}t.closePath()}},qg={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},Ug=Math.sqrt(3),Dg={draw:function(t,n){var e=-Math.sqrt(n/(3*Ug));t.moveTo(0,2*e),t.lineTo(-Ug*e,-e),t.lineTo(Ug*e,-e),t.closePath()}},Og=-.5,Fg=Math.sqrt(3)/2,Ig=1/Math.sqrt(12),Yg=3*(Ig/2+1),Bg={draw:function(t,n){var e=Math.sqrt(n/Yg),r=e/2,i=e*Ig,o=r,u=e*Ig+e,a=-o,c=u;t.moveTo(r,i),t.lineTo(o,u),t.lineTo(a,c),t.lineTo(Og*r-Fg*i,Fg*r+Og*i),t.lineTo(Og*o-Fg*u,Fg*o+Og*u),t.lineTo(Og*a-Fg*c,Fg*a+Og*c),t.lineTo(Og*r+Fg*i,Og*i-Fg*r),t.lineTo(Og*o+Fg*u,Og*u-Fg*o),t.lineTo(Og*a+Fg*c,Og*c-Fg*a),t.closePath()}},jg=[Ng,Sg,Cg,qg,Lg,Dg,Bg],Hg=function(){};Ja.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Ga(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};Qa.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};Ka.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};tc.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var r,i=t[0],o=n[0],u=t[e]-i,a=n[e]-o,c=-1;++c<=e;)r=c/e,this._basis.point(this._beta*t[c]+(1-this._beta)*(i+r*u),this._beta*n[c]+(1-this._beta)*(o+r*a));this._x=this._y=null,this._basis.lineEnd()},point:function(t,n){this._x.push(+t),this._y.push(+n)}};var Xg=function t(n){function e(t){return 1===n?new Ja(t):new tc(t,n)}return e.beta=function(n){return t(+n)},e}(.85);ec.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:nc(this,this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2,this._x1=t,this._y1=n;break;case 2:this._point=3;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var $g=function t(n){function e(t){return new ec(t,n)}return e.tension=function(n){return t(+n)},e}(0);rc.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Vg=function t(n){function e(t){return new rc(t,n)}return e.tension=function(n){return t(+n)},e}(0);ic.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Wg=function t(n){function e(t){return new ic(t,n)}return e.tension=function(n){return t(+n)},e}(0);uc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Zg=function t(n){function e(t){return n?new uc(t,n):new ec(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);ac.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Gg=function t(n){function e(t){return n?new ac(t,n):new rc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);cc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Jg=function t(n){function e(t){return n?new cc(t,n):new ic(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);sc.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}};dc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:pc(this,this._t0,hc(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,pc(this,hc(this,e=lc(this,t,n)),e);break;default:pc(this,this._t0,e=lc(this,t,n))}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n,this._t0=e}}},(vc.prototype=Object.create(dc.prototype)).point=function(t,n){dc.prototype.point.call(this,n,t)},_c.prototype={moveTo:function(t,n){this._context.moveTo(n,t)},closePath:function(){this._context.closePath()},lineTo:function(t,n){this._context.lineTo(n,t)},bezierCurveTo:function(t,n,e,r,i,o){this._context.bezierCurveTo(n,t,r,e,o,i)}},yc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=[],this._y=[]},lineEnd:function(){var t=this._x,n=this._y,e=t.length;if(e)if(this._line?this._context.lineTo(t[0],n[0]):this._context.moveTo(t[0],n[0]),2===e)this._context.lineTo(t[1],n[1]);else for(var r=gc(t),i=gc(n),o=0,u=1;u=0&&(this._t=1-this._t,this._line=1-this._line)},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:if(this._t<=0)this._context.lineTo(this._x,n),this._context.lineTo(t,n);else{var e=this._x*(1-this._t)+t*this._t;this._context.lineTo(e,this._y),this._context.lineTo(e,n)}}this._x=t,this._y=n}};var Qg=function(t,n){if((i=t.length)>1)for(var e,r,i,o=1,u=t[n[0]],a=u.length;o=0;)e[n]=n;return e},tm=function(t){var n=t.map(bc);return Kg(t).sort(function(t,e){return n[t]-n[e]})},nm=function(t){return function(){return t}};Tc.prototype={constructor:Tc,insert:function(t,n){var e,r,i;if(t){if(n.P=t,n.N=t.N,t.N&&(t.N.P=n),t.N=n,t.R){for(t=t.R;t.L;)t=t.L;t.L=n}else t.R=n;e=t}else 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p(){if(g.apply(this,arguments)){var n,e,r,i,o=a(this,arguments),u=t.event.changedTouches,c=u.length;for(rs(),e=0;e Date: Mon, 11 Sep 2017 10:45:12 -0400 Subject: [PATCH 28/42] Updated D3 to 4.10.2 --- CHANGELOG.md | 5 +- README.md | 2 +- app/assets/javascripts/d3.js | 351 ++++++++++++++-------------- app/assets/javascripts/d3.min.js | 4 +- app/assets/javascripts/d3.v4.js | 351 ++++++++++++++-------------- app/assets/javascripts/d3.v4.min.js | 4 +- lib/d3/rails/version.rb | 2 +- 7 files changed, 354 insertions(+), 365 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 4bc8c3e..205db1a 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,4 +1,7 @@ -## 4.10.0(19 Jul 2017) +## 4.10.2 (11 Sep 2017) +* Upgrade D3 to 4.10.2 + +## 4.10.0 (19 Jul 2017) * Upgrade D3 to 4.10.0 ## 4.9.1 (16 May 2017) diff --git a/README.md b/README.md index 7df12d6..b87bd75 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 4.10.0 of D3.js. The d3-rails version will +d3-rails comes with version 4.10.2 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index 50c0f58..1a452be 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,11 +1,11 @@ -// https://d3js.org Version 4.10.0. Copyright 2017 Mike Bostock. +// https://d3js.org Version 4.10.2. Copyright 2017 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "4.10.0"; +var version = "4.10.2"; var ascending = function(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -44,7 +44,7 @@ function ascendingComparator(f) { } var ascendingBisect = bisector(ascending); -var bisectRight = ascendingBisect.right; +var bisectRight$1 = ascendingBisect.right; var bisectLeft = ascendingBisect.left; var pairs = function(array, f) { @@ -290,7 +290,7 @@ var histogram = function() { for (i = 0; i < n; ++i) { x = values[i]; if (x0 <= x && x <= x1) { - bins[bisectRight(tz, x, 0, m)].push(data[i]); + bins[bisectRight$1(tz, x, 0, m)].push(data[i]); } } @@ -1775,9 +1775,9 @@ var noevent = function() { var dragDisable = function(view) { var root = view.document.documentElement, - selection$$1 = select(view).on("dragstart.drag", noevent, true); + selection = select(view).on("dragstart.drag", noevent, true); if ("onselectstart" in root) { - selection$$1.on("selectstart.drag", noevent, true); + selection.on("selectstart.drag", noevent, true); } else { root.__noselect = root.style.MozUserSelect; root.style.MozUserSelect = "none"; @@ -1786,13 +1786,13 @@ var dragDisable = function(view) { function yesdrag(view, noclick) { var root = view.document.documentElement, - selection$$1 = select(view).on("dragstart.drag", null); + selection = select(view).on("dragstart.drag", null); if (noclick) { - selection$$1.on("click.drag", noevent, true); - setTimeout(function() { selection$$1.on("click.drag", null); }, 0); + selection.on("click.drag", noevent, true); + setTimeout(function() { selection.on("click.drag", null); }, 0); } if ("onselectstart" in root) { - selection$$1.on("selectstart.drag", null); + selection.on("selectstart.drag", null); } else { root.style.MozUserSelect = root.__noselect; delete root.__noselect; @@ -1895,12 +1895,12 @@ var drag = function() { function touchstarted() { if (!filter.apply(this, arguments)) return; - var touches$$1 = exports.event.changedTouches, + var touches = exports.event.changedTouches, c = container.apply(this, arguments), - n = touches$$1.length, i, gesture; + n = touches.length, i, gesture; for (i = 0; i < n; ++i) { - if (gesture = beforestart(touches$$1[i].identifier, c, touch, this, arguments)) { + if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) { nopropagation(); gesture("start"); } @@ -1908,11 +1908,11 @@ var drag = function() { } function touchmoved() { - var touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, gesture; + var touches = exports.event.changedTouches, + n = touches.length, i, gesture; for (i = 0; i < n; ++i) { - if (gesture = gestures[touches$$1[i].identifier]) { + if (gesture = gestures[touches[i].identifier]) { noevent(); gesture("drag"); } @@ -1920,13 +1920,13 @@ var drag = function() { } function touchended() { - var touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, gesture; + var touches = exports.event.changedTouches, + n = touches.length, i, gesture; if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! for (i = 0; i < n; ++i) { - if (gesture = gestures[touches$$1[i].identifier]) { + if (gesture = gestures[touches[i].identifier]) { nopropagation(); gesture("end"); } @@ -3097,12 +3097,12 @@ function nap() { function sleep(time) { if (frame) return; // Soonest alarm already set, or will be. if (timeout) timeout = clearTimeout(timeout); - var delay = time - clockNow; + var delay = time - clockNow; // Strictly less than if we recomputed clockNow. if (delay > 24) { - if (time < Infinity) timeout = setTimeout(wake, delay); + if (time < Infinity) timeout = setTimeout(wake, time - clock.now() - clockSkew); if (interval) interval = clearInterval(interval); } else { - if (!interval) clockLast = clockNow, interval = setInterval(poke, pokeDelay); + if (!interval) clockLast = clock.now(), interval = setInterval(poke, pokeDelay); frame = 1, setFrame(wake); } } @@ -3634,15 +3634,15 @@ var transition_remove = function() { return this.on("end.remove", removeFunction(this._id)); }; -var transition_select = function(select$$1) { +var transition_select = function(select) { var name = this._name, id = this._id; - if (typeof select$$1 !== "function") select$$1 = selector(select$$1); + if (typeof select !== "function") select = selector(select); for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select$$1.call(node, node.__data__, i, group))) { + if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { if ("__data__" in node) subnode.__data__ = node.__data__; subgroup[i] = subnode; schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); @@ -3653,16 +3653,16 @@ var transition_select = function(select$$1) { return new Transition(subgroups, this._parents, name, id); }; -var transition_selectAll = function(select$$1) { +var transition_selectAll = function(select) { var name = this._name, id = this._id; - if (typeof select$$1 !== "function") select$$1 = selectorAll(select$$1); + if (typeof select !== "function") select = selectorAll(select); for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { if (node = group[i]) { - for (var children = select$$1.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { + for (var children = select.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { if (child = children[k]) { schedule(child, name, id, k, children, inherit); } @@ -4232,7 +4232,7 @@ function defaultExtent() { } // Like d3.local, but with the name “__brush” rather than auto-generated. -function local$$1(node) { +function local(node) { while (!node.__brush) if (!(node = node.parentNode)) return; return node.__brush; } @@ -4278,7 +4278,7 @@ function brush$1(dim) { .attr("cursor", cursors.overlay) .merge(overlay) .each(function() { - var extent = local$$1(this).extent; + var extent = local(this).extent; select(this) .attr("x", extent[0][0]) .attr("y", extent[0][1]) @@ -4353,7 +4353,7 @@ function brush$1(dim) { function redraw() { var group = select(this), - selection = local$$1(this).selection; + selection = local(this).selection; if (selection) { group.selectAll(".selection") @@ -4424,7 +4424,7 @@ function brush$1(dim) { mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE), signX = dim === Y ? null : signsX[type], signY = dim === X ? null : signsY[type], - state = local$$1(that), + state = local(that), extent = state.extent, selection = state.selection, W = extent[0][0], w0, w1, @@ -5211,6 +5211,12 @@ var entries = function(map) { return entries; }; +var EOL = {}; +var EOF = {}; +var QUOTE = 34; +var NEWLINE = 10; +var RETURN = 13; + function objectConverter(columns) { return new Function("d", "return {" + columns.map(function(name, i) { return JSON.stringify(name) + ": d[" + i + "]"; @@ -5242,7 +5248,7 @@ function inferColumns(rows) { var dsv = function(delimiter) { var reFormat = new RegExp("[\"" + delimiter + "\n\r]"), - delimiterCode = delimiter.charCodeAt(0); + DELIMITER = delimiter.charCodeAt(0); function parse(text, f) { var convert, columns, rows = parseRows(text, function(row, i) { @@ -5254,62 +5260,49 @@ var dsv = function(delimiter) { } function parseRows(text, f) { - var EOL = {}, // sentinel value for end-of-line - EOF = {}, // sentinel value for end-of-file - rows = [], // output rows + var rows = [], // output rows N = text.length, I = 0, // current character index - n = 0, // the current line number - t, // the current token - eol; // is the current token followed by EOL? + n = 0, // current line number + t, // current token + eof = N <= 0, // current token followed by EOF? + eol = false; // current token followed by EOL? + + // Strip the trailing newline. + if (text.charCodeAt(N - 1) === NEWLINE) --N; + if (text.charCodeAt(N - 1) === RETURN) --N; function token() { - if (I >= N) return EOF; // special case: end of file - if (eol) return eol = false, EOL; // special case: end of line - - // special case: quotes - var j = I, c; - if (text.charCodeAt(j) === 34) { - var i = j; - while (i++ < N) { - if (text.charCodeAt(i) === 34) { - if (text.charCodeAt(i + 1) !== 34) break; - ++i; - } - } - I = i + 2; - c = text.charCodeAt(i + 1); - if (c === 13) { - eol = true; - if (text.charCodeAt(i + 2) === 10) ++I; - } else if (c === 10) { - eol = true; - } - return text.slice(j + 1, i).replace(/""/g, "\""); + if (eof) return EOF; + if (eol) return eol = false, EOL; + + // Unescape quotes. + var i, j = I, c; + if (text.charCodeAt(j) === QUOTE) { + while (I++ < N && text.charCodeAt(I) !== QUOTE || text.charCodeAt(++I) === QUOTE); + if ((i = I) >= N) eof = true; + else if ((c = text.charCodeAt(I++)) === NEWLINE) eol = true; + else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } + return text.slice(j + 1, i - 1).replace(/""/g, "\""); } - // common case: find next delimiter or newline + // Find next delimiter or newline. while (I < N) { - var k = 1; - c = text.charCodeAt(I++); - if (c === 10) eol = true; // \n - else if (c === 13) { eol = true; if (text.charCodeAt(I) === 10) ++I, ++k; } // \r|\r\n - else if (c !== delimiterCode) continue; - return text.slice(j, I - k); + if ((c = text.charCodeAt(i = I++)) === NEWLINE) eol = true; + else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } + else if (c !== DELIMITER) continue; + return text.slice(j, i); } - // special case: last token before EOF - return text.slice(j); + // Return last token before EOF. + return eof = true, text.slice(j, N); } while ((t = token()) !== EOF) { - var a = []; - while (t !== EOL && t !== EOF) { - a.push(t); - t = token(); - } - if (f && (a = f(a, n++)) == null) continue; - rows.push(a); + var row = []; + while (t !== EOL && t !== EOF) row.push(t), t = token(); + if (f && (row = f(row, n++)) == null) continue; + rows.push(row); } return rows; @@ -5334,7 +5327,7 @@ var dsv = function(delimiter) { function formatValue(text) { return text == null ? "" - : reFormat.test(text += "") ? "\"" + text.replace(/\"/g, "\"\"") + "\"" + : reFormat.test(text += "") ? "\"" + text.replace(/"/g, "\"\"") + "\"" : text; } @@ -5830,7 +5823,7 @@ treeProto.visitAfter = tree_visitAfter; treeProto.x = tree_x; treeProto.y = tree_y; -function x(d) { +function x$1(d) { return d.x + d.vx; } @@ -5856,7 +5849,7 @@ var collide = function(radius) { ri2; for (var k = 0; k < iterations; ++k) { - tree = quadtree(nodes, x, y).visitAfter(prepare); + tree = quadtree(nodes, x$1, y).visitAfter(prepare); for (i = 0; i < n; ++i) { node = nodes[i]; ri = radii[node.index], ri2 = ri * ri; @@ -6038,7 +6031,7 @@ var link = function(links) { return force; }; -function x$1(d) { +function x$2(d) { return d.x; } @@ -6189,7 +6182,7 @@ var manyBody = function() { theta2 = 0.81; function force(_) { - var i, n = nodes.length, tree = quadtree(nodes, x$1, y$1).visitAfter(accumulate); + var i, n = nodes.length, tree = quadtree(nodes, x$2, y$1).visitAfter(accumulate); for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); } @@ -6288,7 +6281,7 @@ var manyBody = function() { return force; }; -var x$2 = function(x) { +var x$3 = function(x) { var strength = constant$6(0.1), nodes, strengths, @@ -11454,7 +11447,7 @@ function band() { var scale = ordinal().unknown(undefined), domain = scale.domain, ordinalRange = scale.range, - range = [0, 1], + range$$1 = [0, 1], step, bandwidth, round = false, @@ -11466,9 +11459,9 @@ function band() { function rescale() { var n = domain().length, - reverse = range[1] < range[0], - start = range[reverse - 0], - stop = range[1 - reverse]; + reverse = range$$1[1] < range$$1[0], + start = range$$1[reverse - 0], + stop = range$$1[1 - reverse]; step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); if (round) step = Math.floor(step); start += (stop - start - step * (n - paddingInner)) * align; @@ -11483,11 +11476,11 @@ function band() { }; scale.range = function(_) { - return arguments.length ? (range = [+_[0], +_[1]], rescale()) : range.slice(); + return arguments.length ? (range$$1 = [+_[0], +_[1]], rescale()) : range$$1.slice(); }; scale.rangeRound = function(_) { - return range = [+_[0], +_[1]], round = true, rescale(); + return range$$1 = [+_[0], +_[1]], round = true, rescale(); }; scale.bandwidth = function() { @@ -11521,7 +11514,7 @@ function band() { scale.copy = function() { return band() .domain(domain()) - .range(range) + .range(range$$1) .round(round) .paddingInner(paddingInner) .paddingOuter(paddingOuter) @@ -11574,21 +11567,21 @@ function deinterpolateClamp(deinterpolate) { }; } -function reinterpolateClamp(reinterpolate$$1) { +function reinterpolateClamp(reinterpolate) { return function(a, b) { - var r = reinterpolate$$1(a = +a, b = +b); + var r = reinterpolate(a = +a, b = +b); return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; }; } -function bimap(domain, range, deinterpolate, reinterpolate$$1) { +function bimap(domain, range, deinterpolate, reinterpolate) { var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; - if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate$$1(r1, r0); - else d0 = deinterpolate(d0, d1), r0 = reinterpolate$$1(r0, r1); + if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); + else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); return function(x) { return r0(d0(x)); }; } -function polymap(domain, range, deinterpolate, reinterpolate$$1) { +function polymap(domain, range, deinterpolate, reinterpolate) { var j = Math.min(domain.length, range.length) - 1, d = new Array(j), r = new Array(j), @@ -11602,11 +11595,11 @@ function polymap(domain, range, deinterpolate, reinterpolate$$1) { while (++i < j) { d[i] = deinterpolate(domain[i], domain[i + 1]); - r[i] = reinterpolate$$1(range[i], range[i + 1]); + r[i] = reinterpolate(range[i], range[i + 1]); } return function(x) { - var i = bisectRight(domain, x, 1, j) - 1; + var i = bisectRight$1(domain, x, 1, j) - 1; return r[i](d[i](x)); }; } @@ -11621,10 +11614,10 @@ function copy(source, target) { // deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. // reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. -function continuous(deinterpolate, reinterpolate$$1) { +function continuous(deinterpolate, reinterpolate) { var domain = unit, range = unit, - interpolate = interpolateValue, + interpolate$$1 = interpolateValue, clamp = false, piecewise, output, @@ -11637,11 +11630,11 @@ function continuous(deinterpolate, reinterpolate$$1) { } function scale(x) { - return (output || (output = piecewise(domain, range, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate)))(+x); + return (output || (output = piecewise(domain, range, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x); } scale.invert = function(y) { - return (input || (input = piecewise(range, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate$$1) : reinterpolate$$1)))(+y); + return (input || (input = piecewise(range, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); }; scale.domain = function(_) { @@ -11653,7 +11646,7 @@ function continuous(deinterpolate, reinterpolate$$1) { }; scale.rangeRound = function(_) { - return range = slice$5.call(_), interpolate = interpolateRound, rescale(); + return range = slice$5.call(_), interpolate$$1 = interpolateRound, rescale(); }; scale.clamp = function(_) { @@ -11661,7 +11654,7 @@ function continuous(deinterpolate, reinterpolate$$1) { }; scale.interpolate = function(_) { - return arguments.length ? (interpolate = _, rescale()) : interpolate; + return arguments.length ? (interpolate$$1 = _, rescale()) : interpolate$$1; }; return rescale(); @@ -11958,7 +11951,7 @@ function sqrt$1() { return pow$1().exponent(0.5); } -function quantile() { +function quantile$$1() { var domain = [], range = [], thresholds = []; @@ -11971,7 +11964,7 @@ function quantile() { } function scale(x) { - if (!isNaN(x = +x)) return range[bisectRight(thresholds, x)]; + if (!isNaN(x = +x)) return range[bisectRight$1(thresholds, x)]; } scale.invertExtent = function(y) { @@ -11999,7 +11992,7 @@ function quantile() { }; scale.copy = function() { - return quantile() + return quantile$$1() .domain(domain) .range(range); }; @@ -12015,7 +12008,7 @@ function quantize$1() { range = [0, 1]; function scale(x) { - if (x <= x) return range[bisectRight(domain, x, 0, n)]; + if (x <= x) return range[bisectRight$1(domain, x, 0, n)]; } function rescale() { @@ -12056,7 +12049,7 @@ function threshold$1() { n = 1; function scale(x) { - if (x <= x) return range[bisectRight(domain, x, 0, n)]; + if (x <= x) return range[bisectRight$1(domain, x, 0, n)]; } scale.domain = function(_) { @@ -13017,39 +13010,39 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 [ year$$1, 1, durationYear ] ]; - function tickFormat(date$$1) { - return (second$$1(date$$1) < date$$1 ? formatMillisecond - : minute$$1(date$$1) < date$$1 ? formatSecond - : hour$$1(date$$1) < date$$1 ? formatMinute - : day$$1(date$$1) < date$$1 ? formatHour - : month$$1(date$$1) < date$$1 ? (week(date$$1) < date$$1 ? formatDay : formatWeek) - : year$$1(date$$1) < date$$1 ? formatMonth - : formatYear)(date$$1); + function tickFormat(date) { + return (second$$1(date) < date ? formatMillisecond + : minute$$1(date) < date ? formatSecond + : hour$$1(date) < date ? formatMinute + : day$$1(date) < date ? formatHour + : month$$1(date) < date ? (week(date) < date ? formatDay : formatWeek) + : year$$1(date) < date ? formatMonth + : formatYear)(date); } - function tickInterval(interval$$1, start, stop, step) { - if (interval$$1 == null) interval$$1 = 10; + function tickInterval(interval, start, stop, step) { + if (interval == null) interval = 10; // If a desired tick count is specified, pick a reasonable tick interval // based on the extent of the domain and a rough estimate of tick size. // Otherwise, assume interval is already a time interval and use it. - if (typeof interval$$1 === "number") { - var target = Math.abs(stop - start) / interval$$1, + if (typeof interval === "number") { + var target = Math.abs(stop - start) / interval, i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); if (i === tickIntervals.length) { - step = tickStep(start / durationYear, stop / durationYear, interval$$1); - interval$$1 = year$$1; + step = tickStep(start / durationYear, stop / durationYear, interval); + interval = year$$1; } else if (i) { i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; step = i[1]; - interval$$1 = i[0]; + interval = i[0]; } else { - step = tickStep(start, stop, interval$$1); - interval$$1 = millisecond$$1; + step = tickStep(start, stop, interval); + interval = millisecond$$1; } } - return step == null ? interval$$1 : interval$$1.every(step); + return step == null ? interval : interval.every(step); } scale.invert = function(y) { @@ -13060,14 +13053,14 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 return arguments.length ? domain(map$3.call(_, number$3)) : domain().map(date$1); }; - scale.ticks = function(interval$$1, step) { + scale.ticks = function(interval, step) { var d = domain(), t0 = d[0], t1 = d[d.length - 1], r = t1 < t0, t; if (r) t = t0, t0 = t1, t1 = t; - t = tickInterval(interval$$1, t0, t1, step); + t = tickInterval(interval, t0, t1, step); t = t ? t.range(t0, t1 + 1) : []; // inclusive stop return r ? t.reverse() : t; }; @@ -13076,10 +13069,10 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 return specifier == null ? tickFormat : format(specifier); }; - scale.nice = function(interval$$1, step) { + scale.nice = function(interval, step) { var d = domain(); - return (interval$$1 = tickInterval(interval$$1, d[0], d[d.length - 1], step)) - ? domain(nice(d, interval$$1)) + return (interval = tickInterval(interval, d[0], d[d.length - 1], step)) + ? domain(nice(d, interval)) : scale; }; @@ -13488,7 +13481,7 @@ var curveLinear = function(context) { return new Linear(context); }; -function x$3(p) { +function x$4(p) { return p[0]; } @@ -13497,8 +13490,8 @@ function y$3(p) { } var line = function() { - var x = x$3, - y = y$3, + var x$$1 = x$4, + y$$1 = y$3, defined = constant$10(true), context = null, curve = curveLinear, @@ -13518,18 +13511,18 @@ var line = function() { if (defined0 = !defined0) output.lineStart(); else output.lineEnd(); } - if (defined0) output.point(+x(d, i, data), +y(d, i, data)); + if (defined0) output.point(+x$$1(d, i, data), +y$$1(d, i, data)); } if (buffer) return output = null, buffer + "" || null; } line.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$10(+_), line) : x; + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : x$$1; }; line.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$10(+_), line) : y; + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : y$$1; }; line.defined = function(_) { @@ -13548,7 +13541,7 @@ var line = function() { }; var area$2 = function() { - var x0 = x$3, + var x0 = x$4, x1 = null, y0 = constant$10(0), y1 = y$3, @@ -13829,14 +13822,14 @@ function linkTarget(d) { function link$2(curve) { var source = linkSource, target = linkTarget, - x = x$3, - y = y$3, + x$$1 = x$4, + y$$1 = y$3, context = null; function link() { var buffer, argv = slice$6.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); if (!context) context = buffer = path(); - curve(context, +x.apply(this, (argv[0] = s, argv)), +y.apply(this, argv), +x.apply(this, (argv[0] = t, argv)), +y.apply(this, argv)); + curve(context, +x$$1.apply(this, (argv[0] = s, argv)), +y$$1.apply(this, argv), +x$$1.apply(this, (argv[0] = t, argv)), +y$$1.apply(this, argv)); if (buffer) return context = null, buffer + "" || null; } @@ -13849,11 +13842,11 @@ function link$2(curve) { }; link.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$10(+_), link) : x; + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : x$$1; }; link.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$10(+_), link) : y; + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : y$$1; }; link.context = function(_) { @@ -15053,7 +15046,7 @@ var constant$11 = function(x) { }; }; -function x$4(d) { +function x$5(d) { return d[0]; } @@ -15990,13 +15983,13 @@ Diagram.prototype = { }; var voronoi = function() { - var x = x$4, - y = y$4, + var x$$1 = x$5, + y$$1 = y$4, extent = null; function voronoi(data) { return new Diagram(data.map(function(d, i) { - var s = [Math.round(x(d, i, data) / epsilon$4) * epsilon$4, Math.round(y(d, i, data) / epsilon$4) * epsilon$4]; + var s = [Math.round(x$$1(d, i, data) / epsilon$4) * epsilon$4, Math.round(y$$1(d, i, data) / epsilon$4) * epsilon$4]; s.index = i; s.data = d; return s; @@ -16016,11 +16009,11 @@ var voronoi = function() { }; voronoi.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$11(+_), voronoi) : x; + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : x$$1; }; voronoi.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$11(+_), voronoi) : y; + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : y$$1; }; voronoi.extent = function(_) { @@ -16156,8 +16149,8 @@ var zoom = function() { wheelDelay = 150, clickDistance2 = 0; - function zoom(selection$$1) { - selection$$1 + function zoom(selection) { + selection .property("__zoom", defaultTransform) .on("wheel.zoom", wheeled) .on("mousedown.zoom", mousedowned) @@ -16171,12 +16164,12 @@ var zoom = function() { } zoom.transform = function(collection, transform$$1) { - var selection$$1 = collection.selection ? collection.selection() : collection; - selection$$1.property("__zoom", defaultTransform); - if (collection !== selection$$1) { + var selection = collection.selection ? collection.selection() : collection; + selection.property("__zoom", defaultTransform); + if (collection !== selection) { schedule(collection, transform$$1); } else { - selection$$1.interrupt().each(function() { + selection.interrupt().each(function() { gesture(this, arguments) .start() .zoom(null, typeof transform$$1 === "function" ? transform$$1.apply(this, arguments) : transform$$1) @@ -16185,16 +16178,16 @@ var zoom = function() { } }; - zoom.scaleBy = function(selection$$1, k) { - zoom.scaleTo(selection$$1, function() { + zoom.scaleBy = function(selection, k) { + zoom.scaleTo(selection, function() { var k0 = this.__zoom.k, k1 = typeof k === "function" ? k.apply(this, arguments) : k; return k0 * k1; }); }; - zoom.scaleTo = function(selection$$1, k) { - zoom.transform(selection$$1, function() { + zoom.scaleTo = function(selection, k) { + zoom.transform(selection, function() { var e = extent.apply(this, arguments), t0 = this.__zoom, p0 = centroid(e), @@ -16204,8 +16197,8 @@ var zoom = function() { }); }; - zoom.translateBy = function(selection$$1, x, y) { - zoom.transform(selection$$1, function() { + zoom.translateBy = function(selection, x, y) { + zoom.transform(selection, function() { return constrain(this.__zoom.translate( typeof x === "function" ? x.apply(this, arguments) : x, typeof y === "function" ? y.apply(this, arguments) : y @@ -16213,8 +16206,8 @@ var zoom = function() { }); }; - zoom.translateTo = function(selection$$1, x, y) { - zoom.transform(selection$$1, function() { + zoom.translateTo = function(selection, x, y) { + zoom.transform(selection, function() { var e = extent.apply(this, arguments), t = this.__zoom, p = centroid(e); @@ -16250,8 +16243,8 @@ var zoom = function() { return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; } - function schedule(transition$$1, transform$$1, center) { - transition$$1 + function schedule(transition, transform$$1, center) { + transition .on("start.zoom", function() { gesture(this, arguments).start(); }) .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) .tween("zoom", function() { @@ -16401,13 +16394,13 @@ var zoom = function() { function touchstarted() { if (!filter.apply(this, arguments)) return; var g = gesture(this, arguments), - touches$$1 = exports.event.changedTouches, + touches = exports.event.changedTouches, started, - n = touches$$1.length, i, t, p; + n = touches.length, i, t, p; nopropagation$2(); for (i = 0; i < n; ++i) { - t = touches$$1[i], p = touch(this, touches$$1, t.identifier); + t = touches[i], p = touch(this, touches, t.identifier); p = [p, this.__zoom.invert(p), t.identifier]; if (!g.touch0) g.touch0 = p, started = true; else if (!g.touch1) g.touch1 = p; @@ -16433,13 +16426,13 @@ var zoom = function() { function touchmoved() { var g = gesture(this, arguments), - touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, t, p, l; + touches = exports.event.changedTouches, + n = touches.length, i, t, p, l; noevent$2(); if (touchstarting) touchstarting = clearTimeout(touchstarting); for (i = 0; i < n; ++i) { - t = touches$$1[i], p = touch(this, touches$$1, t.identifier); + t = touches[i], p = touch(this, touches, t.identifier); if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; } @@ -16460,14 +16453,14 @@ var zoom = function() { function touchended() { var g = gesture(this, arguments), - touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, t; + touches = exports.event.changedTouches, + n = touches.length, i, t; nopropagation$2(); if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, touchDelay); for (i = 0; i < n; ++i) { - t = touches$$1[i]; + t = touches[i]; if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; } @@ -16517,8 +16510,8 @@ var zoom = function() { }; exports.version = version; -exports.bisect = bisectRight; -exports.bisectRight = bisectRight; +exports.bisect = bisectRight$1; +exports.bisectRight = bisectRight$1; exports.bisectLeft = bisectLeft; exports.ascending = ascending; exports.bisector = bisector; @@ -16625,7 +16618,7 @@ exports.forceCollide = collide; exports.forceLink = link; exports.forceManyBody = manyBody; exports.forceSimulation = simulation; -exports.forceX = x$2; +exports.forceX = x$3; exports.forceY = y$2; exports.formatDefaultLocale = defaultLocale; exports.formatLocale = formatLocale; @@ -16743,7 +16736,7 @@ exports.scaleOrdinal = ordinal; exports.scaleImplicit = implicit; exports.scalePow = pow$1; exports.scaleSqrt = sqrt$1; -exports.scaleQuantile = quantile; +exports.scaleQuantile = quantile$$1; exports.scaleQuantize = quantize$1; exports.scaleThreshold = threshold$1; exports.scaleTime = time; diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index 6a27058..2135fcb 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,2 +1,2 @@ -// https://d3js.org Version 4.10.0. 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arguments.length?n(Ba(t)):n()._curve},t},Tg=function(t,n){return[(n=+n)*Math.cos(t-=Math.PI/2),n*Math.sin(t)]},kg=Array.prototype.slice,Ng={draw:function(t,n){var e=Math.sqrt(n/pg);t.moveTo(e,0),t.arc(0,0,e,0,vg)}},Sg={draw:function(t,n){var e=Math.sqrt(n/5)/2;t.moveTo(-3*e,-e),t.lineTo(-e,-e),t.lineTo(-e,-3*e),t.lineTo(e,-3*e),t.lineTo(e,-e),t.lineTo(3*e,-e),t.lineTo(3*e,e),t.lineTo(e,e),t.lineTo(e,3*e),t.lineTo(-e,3*e),t.lineTo(-e,e),t.lineTo(-3*e,e),t.closePath()}},Eg=Math.sqrt(1/3),Ag=2*Eg,Cg={draw:function(t,n){var e=Math.sqrt(n/Ag),r=e*Eg;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},zg=Math.sin(pg/10)/Math.sin(7*pg/10),Pg=Math.sin(vg/10)*zg,Rg=-Math.cos(vg/10)*zg,Lg={draw:function(t,n){var e=Math.sqrt(.8908130915292852*n),r=Pg*e,i=Rg*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var u=vg*o/5,a=Math.cos(u),c=Math.sin(u);t.lineTo(c*e,-a*e),t.lineTo(a*r-c*i,c*r+a*i)}t.closePath()}},qg={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},Ug=Math.sqrt(3),Dg={draw:function(t,n){var e=-Math.sqrt(n/(3*Ug));t.moveTo(0,2*e),t.lineTo(-Ug*e,-e),t.lineTo(Ug*e,-e),t.closePath()}},Og=-.5,Fg=Math.sqrt(3)/2,Ig=1/Math.sqrt(12),Yg=3*(Ig/2+1),Bg={draw:function(t,n){var e=Math.sqrt(n/Yg),r=e/2,i=e*Ig,o=r,u=e*Ig+e,a=-o,c=u;t.moveTo(r,i),t.lineTo(o,u),t.lineTo(a,c),t.lineTo(Og*r-Fg*i,Fg*r+Og*i),t.lineTo(Og*o-Fg*u,Fg*o+Og*u),t.lineTo(Og*a-Fg*c,Fg*a+Og*c),t.lineTo(Og*r+Fg*i,Og*i-Fg*r),t.lineTo(Og*o+Fg*u,Og*u-Fg*o),t.lineTo(Og*a+Fg*c,Og*c-Fg*a),t.closePath()}},jg=[Ng,Sg,Cg,qg,Lg,Dg,Bg],Hg=function(){};Ja.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Ga(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};Qa.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};Ka.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};tc.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var r,i=t[0],o=n[0],u=t[e]-i,a=n[e]-o,c=-1;++c<=e;)r=c/e,this._basis.point(this._beta*t[c]+(1-this._beta)*(i+r*u),this._beta*n[c]+(1-this._beta)*(o+r*a));this._x=this._y=null,this._basis.lineEnd()},point:function(t,n){this._x.push(+t),this._y.push(+n)}};var Xg=function t(n){function e(t){return 1===n?new Ja(t):new tc(t,n)}return e.beta=function(n){return t(+n)},e}(.85);ec.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:nc(this,this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2,this._x1=t,this._y1=n;break;case 2:this._point=3;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var $g=function t(n){function e(t){return new ec(t,n)}return e.tension=function(n){return t(+n)},e}(0);rc.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Vg=function t(n){function e(t){return new rc(t,n)}return e.tension=function(n){return t(+n)},e}(0);ic.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Wg=function t(n){function e(t){return new ic(t,n)}return e.tension=function(n){return t(+n)},e}(0);uc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Zg=function t(n){function e(t){return n?new uc(t,n):new ec(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);ac.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Gg=function t(n){function e(t){return n?new ac(t,n):new rc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);cc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Jg=function t(n){function e(t){return n?new cc(t,n):new ic(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);sc.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}};dc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:pc(this,this._t0,hc(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,pc(this,hc(this,e=lc(this,t,n)),e);break;default:pc(this,this._t0,e=lc(this,t,n))}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n,this._t0=e}}},(vc.prototype=Object.create(dc.prototype)).point=function(t,n){dc.prototype.point.call(this,n,t)},_c.prototype={moveTo:function(t,n){this._context.moveTo(n,t)},closePath:function(){this._context.closePath()},lineTo:function(t,n){this._context.lineTo(n,t)},bezierCurveTo:function(t,n,e,r,i,o){this._context.bezierCurveTo(n,t,r,e,o,i)}},yc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=[],this._y=[]},lineEnd:function(){var t=this._x,n=this._y,e=t.length;if(e)if(this._line?this._context.lineTo(t[0],n[0]):this._context.moveTo(t[0],n[0]),2===e)this._context.lineTo(t[1],n[1]);else for(var r=gc(t),i=gc(n),o=0,u=1;u=0&&(this._t=1-this._t,this._line=1-this._line)},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:if(this._t<=0)this._context.lineTo(this._x,n),this._context.lineTo(t,n);else{var e=this._x*(1-this._t)+t*this._t;this._context.lineTo(e,this._y),this._context.lineTo(e,n)}}this._x=t,this._y=n}};var Qg=function(t,n){if((i=t.length)>1)for(var e,r,i,o=1,u=t[n[0]],a=u.length;o=0;)e[n]=n;return e},tm=function(t){var n=t.map(bc);return Kg(t).sort(function(t,e){return n[t]-n[e]})},nm=function(t){return function(){return t}};Tc.prototype={constructor:Tc,insert:function(t,n){var e,r,i;if(t){if(n.P=t,n.N=t.N,t.N&&(t.N.P=n),t.N=n,t.R){for(t=t.R;t.L;)t=t.L;t.L=n}else t.R=n;e=t}else 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3:this._point=4;default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};tc.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var r,i=t[0],o=n[0],u=t[e]-i,a=n[e]-o,c=-1;++c<=e;)r=c/e,this._basis.point(this._beta*t[c]+(1-this._beta)*(i+r*u),this._beta*n[c]+(1-this._beta)*(o+r*a));this._x=this._y=null,this._basis.lineEnd()},point:function(t,n){this._x.push(+t),this._y.push(+n)}};var Gg=function t(n){function e(t){return 1===n?new Ja(t):new tc(t,n)}return e.beta=function(n){return t(+n)},e}(.85);ec.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:nc(this,this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2,this._x1=t,this._y1=n;break;case 2:this._point=3;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Jg=function t(n){function e(t){return new ec(t,n)}return e.tension=function(n){return t(+n)},e}(0);rc.prototype={areaStart:Zg,areaEnd:Zg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Qg=function t(n){function e(t){return new rc(t,n)}return e.tension=function(n){return t(+n)},e}(0);ic.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Kg=function t(n){function e(t){return new ic(t,n)}return e.tension=function(n){return t(+n)},e}(0);uc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var tm=function t(n){function e(t){return n?new uc(t,n):new ec(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);ac.prototype={areaStart:Zg,areaEnd:Zg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var nm=function t(n){function e(t){return n?new ac(t,n):new rc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);cc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var em=function t(n){function e(t){return n?new cc(t,n):new ic(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);sc.prototype={areaStart:Zg,areaEnd:Zg,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}};dc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:pc(this,this._t0,hc(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,pc(this,hc(this,e=lc(this,t,n)),e);break;default:pc(this,this._t0,e=lc(this,t,n))}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n,this._t0=e}}},(vc.prototype=Object.create(dc.prototype)).point=function(t,n){dc.prototype.point.call(this,n,t)},_c.prototype={moveTo:function(t,n){this._context.moveTo(n,t)},closePath:function(){this._context.closePath()},lineTo:function(t,n){this._context.lineTo(n,t)},bezierCurveTo:function(t,n,e,r,i,o){this._context.bezierCurveTo(n,t,r,e,o,i)}},yc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=[],this._y=[]},lineEnd:function(){var t=this._x,n=this._y,e=t.length;if(e)if(this._line?this._context.lineTo(t[0],n[0]):this._context.moveTo(t[0],n[0]),2===e)this._context.lineTo(t[1],n[1]);else for(var r=gc(t),i=gc(n),o=0,u=1;u=0&&(this._t=1-this._t,this._line=1-this._line)},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:if(this._t<=0)this._context.lineTo(this._x,n),this._context.lineTo(t,n);else{var e=this._x*(1-this._t)+t*this._t;this._context.lineTo(e,this._y),this._context.lineTo(e,n)}}this._x=t,this._y=n}};var rm=function(t,n){if((i=t.length)>1)for(var e,r,i,o=1,u=t[n[0]],a=u.length;o=0;)e[n]=n;return e},om=function(t){var n=t.map(bc);return im(t).sort(function(t,e){return n[t]-n[e]})},um=function(t){return function(){return t}};Tc.prototype={constructor:Tc,insert:function(t,n){var e,r,i;if(t){if(n.P=t,n.N=t.N,t.N&&(t.N.P=n),t.N=n,t.R){for(t=t.R;t.L;)t=t.L;t.L=n}else t.R=n;e=t}else 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if((n=i.L).C&&(n.C=!1,i.C=!0,Sc(this,i),n=i.L),n.L&&n.L.C||n.R&&n.R.C){n.L&&n.L.C||(n.R.C=!1,n.C=!0,Nc(this,n),n=i.L),n.C=i.C,i.C=n.L.C=!1,Sc(this,i),t=this._;break}n.C=!0,t=i,i=i.U}while(!t.C);t&&(t.C=!1)}}};var am,cm,sm,fm,lm,hm=[],pm=[],dm=1e-6,vm=1e-12;Kc.prototype={constructor:Kc,polygons:function(){var t=this.edges;return this.cells.map(function(n){var e=n.halfedges.map(function(e){return Dc(n,t[e])});return e.data=n.site.data,e})},triangles:function(){var t=[],n=this.edges;return this.cells.forEach(function(e,r){if(o=(i=e.halfedges).length)for(var i,o,u,a=e.site,c=-1,s=n[i[o-1]],f=s.left===a?s.right:s.left;++c=a)return null;var c=t-i.site[0],s=n-i.site[1],f=c*c+s*s;do{i=o.cells[r=u],u=null,i.halfedges.forEach(function(e){var r=o.edges[e],a=r.left;if(a!==i.site&&a||(a=r.right)){var c=t-a[0],s=n-a[1],l=c*c+s*s;lt?1:n>=t?0:NaN},t.deviation=_s,t.extent=ys,t.histogram=function(){function t(t){var o,u,a=t.length,c=new Array(a);for(o=0;ol;)h.pop(),--p;var d,v=new 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p(){if(g.apply(this,arguments)){var n,e,r,i,o=a(this,arguments),u=t.event.changedTouches,c=u.length;for(rs(),e=0;e b ? 1 : a >= b ? 0 : NaN; @@ -44,7 +44,7 @@ function ascendingComparator(f) { } var ascendingBisect = bisector(ascending); -var bisectRight = ascendingBisect.right; +var bisectRight$1 = ascendingBisect.right; var bisectLeft = ascendingBisect.left; var pairs = function(array, f) { @@ -290,7 +290,7 @@ var histogram = function() { for (i = 0; i < n; ++i) { x = values[i]; if (x0 <= x && x <= x1) { - bins[bisectRight(tz, x, 0, m)].push(data[i]); + bins[bisectRight$1(tz, x, 0, m)].push(data[i]); } } @@ -1775,9 +1775,9 @@ var noevent = function() { var dragDisable = function(view) { var root = view.document.documentElement, - selection$$1 = select(view).on("dragstart.drag", noevent, true); + selection = select(view).on("dragstart.drag", noevent, true); if ("onselectstart" in root) { - selection$$1.on("selectstart.drag", noevent, true); + selection.on("selectstart.drag", noevent, true); } else { root.__noselect = root.style.MozUserSelect; root.style.MozUserSelect = "none"; @@ -1786,13 +1786,13 @@ var dragDisable = function(view) { function yesdrag(view, noclick) { var root = view.document.documentElement, - selection$$1 = select(view).on("dragstart.drag", null); + selection = select(view).on("dragstart.drag", null); if (noclick) { - selection$$1.on("click.drag", noevent, true); - setTimeout(function() { selection$$1.on("click.drag", null); }, 0); + selection.on("click.drag", noevent, true); + setTimeout(function() { selection.on("click.drag", null); }, 0); } if ("onselectstart" in root) { - selection$$1.on("selectstart.drag", null); + selection.on("selectstart.drag", null); } else { root.style.MozUserSelect = root.__noselect; delete root.__noselect; @@ -1895,12 +1895,12 @@ var drag = function() { function touchstarted() { if (!filter.apply(this, arguments)) return; - var touches$$1 = exports.event.changedTouches, + var touches = exports.event.changedTouches, c = container.apply(this, arguments), - n = touches$$1.length, i, gesture; + n = touches.length, i, gesture; for (i = 0; i < n; ++i) { - if (gesture = beforestart(touches$$1[i].identifier, c, touch, this, arguments)) { + if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) { nopropagation(); gesture("start"); } @@ -1908,11 +1908,11 @@ var drag = function() { } function touchmoved() { - var touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, gesture; + var touches = exports.event.changedTouches, + n = touches.length, i, gesture; for (i = 0; i < n; ++i) { - if (gesture = gestures[touches$$1[i].identifier]) { + if (gesture = gestures[touches[i].identifier]) { noevent(); gesture("drag"); } @@ -1920,13 +1920,13 @@ var drag = function() { } function touchended() { - var touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, gesture; + var touches = exports.event.changedTouches, + n = touches.length, i, gesture; if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! for (i = 0; i < n; ++i) { - if (gesture = gestures[touches$$1[i].identifier]) { + if (gesture = gestures[touches[i].identifier]) { nopropagation(); gesture("end"); } @@ -3097,12 +3097,12 @@ function nap() { function sleep(time) { if (frame) return; // Soonest alarm already set, or will be. if (timeout) timeout = clearTimeout(timeout); - var delay = time - clockNow; + var delay = time - clockNow; // Strictly less than if we recomputed clockNow. if (delay > 24) { - if (time < Infinity) timeout = setTimeout(wake, delay); + if (time < Infinity) timeout = setTimeout(wake, time - clock.now() - clockSkew); if (interval) interval = clearInterval(interval); } else { - if (!interval) clockLast = clockNow, interval = setInterval(poke, pokeDelay); + if (!interval) clockLast = clock.now(), interval = setInterval(poke, pokeDelay); frame = 1, setFrame(wake); } } @@ -3634,15 +3634,15 @@ var transition_remove = function() { return this.on("end.remove", removeFunction(this._id)); }; -var transition_select = function(select$$1) { +var transition_select = function(select) { var name = this._name, id = this._id; - if (typeof select$$1 !== "function") select$$1 = selector(select$$1); + if (typeof select !== "function") select = selector(select); for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select$$1.call(node, node.__data__, i, group))) { + if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { if ("__data__" in node) subnode.__data__ = node.__data__; subgroup[i] = subnode; schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); @@ -3653,16 +3653,16 @@ var transition_select = function(select$$1) { return new Transition(subgroups, this._parents, name, id); }; -var transition_selectAll = function(select$$1) { +var transition_selectAll = function(select) { var name = this._name, id = this._id; - if (typeof select$$1 !== "function") select$$1 = selectorAll(select$$1); + if (typeof select !== "function") select = selectorAll(select); for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { if (node = group[i]) { - for (var children = select$$1.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { + for (var children = select.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { if (child = children[k]) { schedule(child, name, id, k, children, inherit); } @@ -4232,7 +4232,7 @@ function defaultExtent() { } // Like d3.local, but with the name “__brush” rather than auto-generated. -function local$$1(node) { +function local(node) { while (!node.__brush) if (!(node = node.parentNode)) return; return node.__brush; } @@ -4278,7 +4278,7 @@ function brush$1(dim) { .attr("cursor", cursors.overlay) .merge(overlay) .each(function() { - var extent = local$$1(this).extent; + var extent = local(this).extent; select(this) .attr("x", extent[0][0]) .attr("y", extent[0][1]) @@ -4353,7 +4353,7 @@ function brush$1(dim) { function redraw() { var group = select(this), - selection = local$$1(this).selection; + selection = local(this).selection; if (selection) { group.selectAll(".selection") @@ -4424,7 +4424,7 @@ function brush$1(dim) { mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE), signX = dim === Y ? null : signsX[type], signY = dim === X ? null : signsY[type], - state = local$$1(that), + state = local(that), extent = state.extent, selection = state.selection, W = extent[0][0], w0, w1, @@ -5211,6 +5211,12 @@ var entries = function(map) { return entries; }; +var EOL = {}; +var EOF = {}; +var QUOTE = 34; +var NEWLINE = 10; +var RETURN = 13; + function objectConverter(columns) { return new Function("d", "return {" + columns.map(function(name, i) { return JSON.stringify(name) + ": d[" + i + "]"; @@ -5242,7 +5248,7 @@ function inferColumns(rows) { var dsv = function(delimiter) { var reFormat = new RegExp("[\"" + delimiter + "\n\r]"), - delimiterCode = delimiter.charCodeAt(0); + DELIMITER = delimiter.charCodeAt(0); function parse(text, f) { var convert, columns, rows = parseRows(text, function(row, i) { @@ -5254,62 +5260,49 @@ var dsv = function(delimiter) { } function parseRows(text, f) { - var EOL = {}, // sentinel value for end-of-line - EOF = {}, // sentinel value for end-of-file - rows = [], // output rows + var rows = [], // output rows N = text.length, I = 0, // current character index - n = 0, // the current line number - t, // the current token - eol; // is the current token followed by EOL? + n = 0, // current line number + t, // current token + eof = N <= 0, // current token followed by EOF? + eol = false; // current token followed by EOL? + + // Strip the trailing newline. + if (text.charCodeAt(N - 1) === NEWLINE) --N; + if (text.charCodeAt(N - 1) === RETURN) --N; function token() { - if (I >= N) return EOF; // special case: end of file - if (eol) return eol = false, EOL; // special case: end of line - - // special case: quotes - var j = I, c; - if (text.charCodeAt(j) === 34) { - var i = j; - while (i++ < N) { - if (text.charCodeAt(i) === 34) { - if (text.charCodeAt(i + 1) !== 34) break; - ++i; - } - } - I = i + 2; - c = text.charCodeAt(i + 1); - if (c === 13) { - eol = true; - if (text.charCodeAt(i + 2) === 10) ++I; - } else if (c === 10) { - eol = true; - } - return text.slice(j + 1, i).replace(/""/g, "\""); + if (eof) return EOF; + if (eol) return eol = false, EOL; + + // Unescape quotes. + var i, j = I, c; + if (text.charCodeAt(j) === QUOTE) { + while (I++ < N && text.charCodeAt(I) !== QUOTE || text.charCodeAt(++I) === QUOTE); + if ((i = I) >= N) eof = true; + else if ((c = text.charCodeAt(I++)) === NEWLINE) eol = true; + else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } + return text.slice(j + 1, i - 1).replace(/""/g, "\""); } - // common case: find next delimiter or newline + // Find next delimiter or newline. while (I < N) { - var k = 1; - c = text.charCodeAt(I++); - if (c === 10) eol = true; // \n - else if (c === 13) { eol = true; if (text.charCodeAt(I) === 10) ++I, ++k; } // \r|\r\n - else if (c !== delimiterCode) continue; - return text.slice(j, I - k); + if ((c = text.charCodeAt(i = I++)) === NEWLINE) eol = true; + else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } + else if (c !== DELIMITER) continue; + return text.slice(j, i); } - // special case: last token before EOF - return text.slice(j); + // Return last token before EOF. + return eof = true, text.slice(j, N); } while ((t = token()) !== EOF) { - var a = []; - while (t !== EOL && t !== EOF) { - a.push(t); - t = token(); - } - if (f && (a = f(a, n++)) == null) continue; - rows.push(a); + var row = []; + while (t !== EOL && t !== EOF) row.push(t), t = token(); + if (f && (row = f(row, n++)) == null) continue; + rows.push(row); } return rows; @@ -5334,7 +5327,7 @@ var dsv = function(delimiter) { function formatValue(text) { return text == null ? "" - : reFormat.test(text += "") ? "\"" + text.replace(/\"/g, "\"\"") + "\"" + : reFormat.test(text += "") ? "\"" + text.replace(/"/g, "\"\"") + "\"" : text; } @@ -5830,7 +5823,7 @@ treeProto.visitAfter = tree_visitAfter; treeProto.x = tree_x; treeProto.y = tree_y; -function x(d) { +function x$1(d) { return d.x + d.vx; } @@ -5856,7 +5849,7 @@ var collide = function(radius) { ri2; for (var k = 0; k < iterations; ++k) { - tree = quadtree(nodes, x, y).visitAfter(prepare); + tree = quadtree(nodes, x$1, y).visitAfter(prepare); for (i = 0; i < n; ++i) { node = nodes[i]; ri = radii[node.index], ri2 = ri * ri; @@ -6038,7 +6031,7 @@ var link = function(links) { return force; }; -function x$1(d) { +function x$2(d) { return d.x; } @@ -6189,7 +6182,7 @@ var manyBody = function() { theta2 = 0.81; function force(_) { - var i, n = nodes.length, tree = quadtree(nodes, x$1, y$1).visitAfter(accumulate); + var i, n = nodes.length, tree = quadtree(nodes, x$2, y$1).visitAfter(accumulate); for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); } @@ -6288,7 +6281,7 @@ var manyBody = function() { return force; }; -var x$2 = function(x) { +var x$3 = function(x) { var strength = constant$6(0.1), nodes, strengths, @@ -11454,7 +11447,7 @@ function band() { var scale = ordinal().unknown(undefined), domain = scale.domain, ordinalRange = scale.range, - range = [0, 1], + range$$1 = [0, 1], step, bandwidth, round = false, @@ -11466,9 +11459,9 @@ function band() { function rescale() { var n = domain().length, - reverse = range[1] < range[0], - start = range[reverse - 0], - stop = range[1 - reverse]; + reverse = range$$1[1] < range$$1[0], + start = range$$1[reverse - 0], + stop = range$$1[1 - reverse]; step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); if (round) step = Math.floor(step); start += (stop - start - step * (n - paddingInner)) * align; @@ -11483,11 +11476,11 @@ function band() { }; scale.range = function(_) { - return arguments.length ? (range = [+_[0], +_[1]], rescale()) : range.slice(); + return arguments.length ? (range$$1 = [+_[0], +_[1]], rescale()) : range$$1.slice(); }; scale.rangeRound = function(_) { - return range = [+_[0], +_[1]], round = true, rescale(); + return range$$1 = [+_[0], +_[1]], round = true, rescale(); }; scale.bandwidth = function() { @@ -11521,7 +11514,7 @@ function band() { scale.copy = function() { return band() .domain(domain()) - .range(range) + .range(range$$1) .round(round) .paddingInner(paddingInner) .paddingOuter(paddingOuter) @@ -11574,21 +11567,21 @@ function deinterpolateClamp(deinterpolate) { }; } -function reinterpolateClamp(reinterpolate$$1) { +function reinterpolateClamp(reinterpolate) { return function(a, b) { - var r = reinterpolate$$1(a = +a, b = +b); + var r = reinterpolate(a = +a, b = +b); return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; }; } -function bimap(domain, range, deinterpolate, reinterpolate$$1) { +function bimap(domain, range, deinterpolate, reinterpolate) { var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; - if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate$$1(r1, r0); - else d0 = deinterpolate(d0, d1), r0 = reinterpolate$$1(r0, r1); + if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); + else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); return function(x) { return r0(d0(x)); }; } -function polymap(domain, range, deinterpolate, reinterpolate$$1) { +function polymap(domain, range, deinterpolate, reinterpolate) { var j = Math.min(domain.length, range.length) - 1, d = new Array(j), r = new Array(j), @@ -11602,11 +11595,11 @@ function polymap(domain, range, deinterpolate, reinterpolate$$1) { while (++i < j) { d[i] = deinterpolate(domain[i], domain[i + 1]); - r[i] = reinterpolate$$1(range[i], range[i + 1]); + r[i] = reinterpolate(range[i], range[i + 1]); } return function(x) { - var i = bisectRight(domain, x, 1, j) - 1; + var i = bisectRight$1(domain, x, 1, j) - 1; return r[i](d[i](x)); }; } @@ -11621,10 +11614,10 @@ function copy(source, target) { // deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. // reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. -function continuous(deinterpolate, reinterpolate$$1) { +function continuous(deinterpolate, reinterpolate) { var domain = unit, range = unit, - interpolate = interpolateValue, + interpolate$$1 = interpolateValue, clamp = false, piecewise, output, @@ -11637,11 +11630,11 @@ function continuous(deinterpolate, reinterpolate$$1) { } function scale(x) { - return (output || (output = piecewise(domain, range, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate)))(+x); + return (output || (output = piecewise(domain, range, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x); } scale.invert = function(y) { - return (input || (input = piecewise(range, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate$$1) : reinterpolate$$1)))(+y); + return (input || (input = piecewise(range, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); }; scale.domain = function(_) { @@ -11653,7 +11646,7 @@ function continuous(deinterpolate, reinterpolate$$1) { }; scale.rangeRound = function(_) { - return range = slice$5.call(_), interpolate = interpolateRound, rescale(); + return range = slice$5.call(_), interpolate$$1 = interpolateRound, rescale(); }; scale.clamp = function(_) { @@ -11661,7 +11654,7 @@ function continuous(deinterpolate, reinterpolate$$1) { }; scale.interpolate = function(_) { - return arguments.length ? (interpolate = _, rescale()) : interpolate; + return arguments.length ? (interpolate$$1 = _, rescale()) : interpolate$$1; }; return rescale(); @@ -11958,7 +11951,7 @@ function sqrt$1() { return pow$1().exponent(0.5); } -function quantile() { +function quantile$$1() { var domain = [], range = [], thresholds = []; @@ -11971,7 +11964,7 @@ function quantile() { } function scale(x) { - if (!isNaN(x = +x)) return range[bisectRight(thresholds, x)]; + if (!isNaN(x = +x)) return range[bisectRight$1(thresholds, x)]; } scale.invertExtent = function(y) { @@ -11999,7 +11992,7 @@ function quantile() { }; scale.copy = function() { - return quantile() + return quantile$$1() .domain(domain) .range(range); }; @@ -12015,7 +12008,7 @@ function quantize$1() { range = [0, 1]; function scale(x) { - if (x <= x) return range[bisectRight(domain, x, 0, n)]; + if (x <= x) return range[bisectRight$1(domain, x, 0, n)]; } function rescale() { @@ -12056,7 +12049,7 @@ function threshold$1() { n = 1; function scale(x) { - if (x <= x) return range[bisectRight(domain, x, 0, n)]; + if (x <= x) return range[bisectRight$1(domain, x, 0, n)]; } scale.domain = function(_) { @@ -13017,39 +13010,39 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 [ year$$1, 1, durationYear ] ]; - function tickFormat(date$$1) { - return (second$$1(date$$1) < date$$1 ? formatMillisecond - : minute$$1(date$$1) < date$$1 ? formatSecond - : hour$$1(date$$1) < date$$1 ? formatMinute - : day$$1(date$$1) < date$$1 ? formatHour - : month$$1(date$$1) < date$$1 ? (week(date$$1) < date$$1 ? formatDay : formatWeek) - : year$$1(date$$1) < date$$1 ? formatMonth - : formatYear)(date$$1); + function tickFormat(date) { + return (second$$1(date) < date ? formatMillisecond + : minute$$1(date) < date ? formatSecond + : hour$$1(date) < date ? formatMinute + : day$$1(date) < date ? formatHour + : month$$1(date) < date ? (week(date) < date ? formatDay : formatWeek) + : year$$1(date) < date ? formatMonth + : formatYear)(date); } - function tickInterval(interval$$1, start, stop, step) { - if (interval$$1 == null) interval$$1 = 10; + function tickInterval(interval, start, stop, step) { + if (interval == null) interval = 10; // If a desired tick count is specified, pick a reasonable tick interval // based on the extent of the domain and a rough estimate of tick size. // Otherwise, assume interval is already a time interval and use it. - if (typeof interval$$1 === "number") { - var target = Math.abs(stop - start) / interval$$1, + if (typeof interval === "number") { + var target = Math.abs(stop - start) / interval, i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); if (i === tickIntervals.length) { - step = tickStep(start / durationYear, stop / durationYear, interval$$1); - interval$$1 = year$$1; + step = tickStep(start / durationYear, stop / durationYear, interval); + interval = year$$1; } else if (i) { i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; step = i[1]; - interval$$1 = i[0]; + interval = i[0]; } else { - step = tickStep(start, stop, interval$$1); - interval$$1 = millisecond$$1; + step = tickStep(start, stop, interval); + interval = millisecond$$1; } } - return step == null ? interval$$1 : interval$$1.every(step); + return step == null ? interval : interval.every(step); } scale.invert = function(y) { @@ -13060,14 +13053,14 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 return arguments.length ? domain(map$3.call(_, number$3)) : domain().map(date$1); }; - scale.ticks = function(interval$$1, step) { + scale.ticks = function(interval, step) { var d = domain(), t0 = d[0], t1 = d[d.length - 1], r = t1 < t0, t; if (r) t = t0, t0 = t1, t1 = t; - t = tickInterval(interval$$1, t0, t1, step); + t = tickInterval(interval, t0, t1, step); t = t ? t.range(t0, t1 + 1) : []; // inclusive stop return r ? t.reverse() : t; }; @@ -13076,10 +13069,10 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 return specifier == null ? tickFormat : format(specifier); }; - scale.nice = function(interval$$1, step) { + scale.nice = function(interval, step) { var d = domain(); - return (interval$$1 = tickInterval(interval$$1, d[0], d[d.length - 1], step)) - ? domain(nice(d, interval$$1)) + return (interval = tickInterval(interval, d[0], d[d.length - 1], step)) + ? domain(nice(d, interval)) : scale; }; @@ -13488,7 +13481,7 @@ var curveLinear = function(context) { return new Linear(context); }; -function x$3(p) { +function x$4(p) { return p[0]; } @@ -13497,8 +13490,8 @@ function y$3(p) { } var line = function() { - var x = x$3, - y = y$3, + var x$$1 = x$4, + y$$1 = y$3, defined = constant$10(true), context = null, curve = curveLinear, @@ -13518,18 +13511,18 @@ var line = function() { if (defined0 = !defined0) output.lineStart(); else output.lineEnd(); } - if (defined0) output.point(+x(d, i, data), +y(d, i, data)); + if (defined0) output.point(+x$$1(d, i, data), +y$$1(d, i, data)); } if (buffer) return output = null, buffer + "" || null; } line.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$10(+_), line) : x; + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : x$$1; }; line.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$10(+_), line) : y; + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : y$$1; }; line.defined = function(_) { @@ -13548,7 +13541,7 @@ var line = function() { }; var area$2 = function() { - var x0 = x$3, + var x0 = x$4, x1 = null, y0 = constant$10(0), y1 = y$3, @@ -13829,14 +13822,14 @@ function linkTarget(d) { function link$2(curve) { var source = linkSource, target = linkTarget, - x = x$3, - y = y$3, + x$$1 = x$4, + y$$1 = y$3, context = null; function link() { var buffer, argv = slice$6.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); if (!context) context = buffer = path(); - curve(context, +x.apply(this, (argv[0] = s, argv)), +y.apply(this, argv), +x.apply(this, (argv[0] = t, argv)), +y.apply(this, argv)); + curve(context, +x$$1.apply(this, (argv[0] = s, argv)), +y$$1.apply(this, argv), +x$$1.apply(this, (argv[0] = t, argv)), +y$$1.apply(this, argv)); if (buffer) return context = null, buffer + "" || null; } @@ -13849,11 +13842,11 @@ function link$2(curve) { }; link.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$10(+_), link) : x; + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : x$$1; }; link.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$10(+_), link) : y; + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : y$$1; }; link.context = function(_) { @@ -15053,7 +15046,7 @@ var constant$11 = function(x) { }; }; -function x$4(d) { +function x$5(d) { return d[0]; } @@ -15990,13 +15983,13 @@ Diagram.prototype = { }; var voronoi = function() { - var x = x$4, - y = y$4, + var x$$1 = x$5, + y$$1 = y$4, extent = null; function voronoi(data) { return new Diagram(data.map(function(d, i) { - var s = [Math.round(x(d, i, data) / epsilon$4) * epsilon$4, Math.round(y(d, i, data) / epsilon$4) * epsilon$4]; + var s = [Math.round(x$$1(d, i, data) / epsilon$4) * epsilon$4, Math.round(y$$1(d, i, data) / epsilon$4) * epsilon$4]; s.index = i; s.data = d; return s; @@ -16016,11 +16009,11 @@ var voronoi = function() { }; voronoi.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$11(+_), voronoi) : x; + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : x$$1; }; voronoi.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$11(+_), voronoi) : y; + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : y$$1; }; voronoi.extent = function(_) { @@ -16156,8 +16149,8 @@ var zoom = function() { wheelDelay = 150, clickDistance2 = 0; - function zoom(selection$$1) { - selection$$1 + function zoom(selection) { + selection .property("__zoom", defaultTransform) .on("wheel.zoom", wheeled) .on("mousedown.zoom", mousedowned) @@ -16171,12 +16164,12 @@ var zoom = function() { } zoom.transform = function(collection, transform$$1) { - var selection$$1 = collection.selection ? collection.selection() : collection; - selection$$1.property("__zoom", defaultTransform); - if (collection !== selection$$1) { + var selection = collection.selection ? collection.selection() : collection; + selection.property("__zoom", defaultTransform); + if (collection !== selection) { schedule(collection, transform$$1); } else { - selection$$1.interrupt().each(function() { + selection.interrupt().each(function() { gesture(this, arguments) .start() .zoom(null, typeof transform$$1 === "function" ? transform$$1.apply(this, arguments) : transform$$1) @@ -16185,16 +16178,16 @@ var zoom = function() { } }; - zoom.scaleBy = function(selection$$1, k) { - zoom.scaleTo(selection$$1, function() { + zoom.scaleBy = function(selection, k) { + zoom.scaleTo(selection, function() { var k0 = this.__zoom.k, k1 = typeof k === "function" ? k.apply(this, arguments) : k; return k0 * k1; }); }; - zoom.scaleTo = function(selection$$1, k) { - zoom.transform(selection$$1, function() { + zoom.scaleTo = function(selection, k) { + zoom.transform(selection, function() { var e = extent.apply(this, arguments), t0 = this.__zoom, p0 = centroid(e), @@ -16204,8 +16197,8 @@ var zoom = function() { }); }; - zoom.translateBy = function(selection$$1, x, y) { - zoom.transform(selection$$1, function() { + zoom.translateBy = function(selection, x, y) { + zoom.transform(selection, function() { return constrain(this.__zoom.translate( typeof x === "function" ? x.apply(this, arguments) : x, typeof y === "function" ? y.apply(this, arguments) : y @@ -16213,8 +16206,8 @@ var zoom = function() { }); }; - zoom.translateTo = function(selection$$1, x, y) { - zoom.transform(selection$$1, function() { + zoom.translateTo = function(selection, x, y) { + zoom.transform(selection, function() { var e = extent.apply(this, arguments), t = this.__zoom, p = centroid(e); @@ -16250,8 +16243,8 @@ var zoom = function() { return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; } - function schedule(transition$$1, transform$$1, center) { - transition$$1 + function schedule(transition, transform$$1, center) { + transition .on("start.zoom", function() { gesture(this, arguments).start(); }) .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) .tween("zoom", function() { @@ -16401,13 +16394,13 @@ var zoom = function() { function touchstarted() { if (!filter.apply(this, arguments)) return; var g = gesture(this, arguments), - touches$$1 = exports.event.changedTouches, + touches = exports.event.changedTouches, started, - n = touches$$1.length, i, t, p; + n = touches.length, i, t, p; nopropagation$2(); for (i = 0; i < n; ++i) { - t = touches$$1[i], p = touch(this, touches$$1, t.identifier); + t = touches[i], p = touch(this, touches, t.identifier); p = [p, this.__zoom.invert(p), t.identifier]; if (!g.touch0) g.touch0 = p, started = true; else if (!g.touch1) g.touch1 = p; @@ -16433,13 +16426,13 @@ var zoom = function() { function touchmoved() { var g = gesture(this, arguments), - touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, t, p, l; + touches = exports.event.changedTouches, + n = touches.length, i, t, p, l; noevent$2(); if (touchstarting) touchstarting = clearTimeout(touchstarting); for (i = 0; i < n; ++i) { - t = touches$$1[i], p = touch(this, touches$$1, t.identifier); + t = touches[i], p = touch(this, touches, t.identifier); if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; } @@ -16460,14 +16453,14 @@ var zoom = function() { function touchended() { var g = gesture(this, arguments), - touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, t; + touches = exports.event.changedTouches, + n = touches.length, i, t; nopropagation$2(); if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, touchDelay); for (i = 0; i < n; ++i) { - t = touches$$1[i]; + t = touches[i]; if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; } @@ -16517,8 +16510,8 @@ var zoom = function() { }; exports.version = version; -exports.bisect = bisectRight; -exports.bisectRight = bisectRight; +exports.bisect = bisectRight$1; +exports.bisectRight = bisectRight$1; exports.bisectLeft = bisectLeft; exports.ascending = ascending; exports.bisector = bisector; @@ -16625,7 +16618,7 @@ exports.forceCollide = collide; exports.forceLink = link; exports.forceManyBody = manyBody; exports.forceSimulation = simulation; -exports.forceX = x$2; +exports.forceX = x$3; exports.forceY = y$2; exports.formatDefaultLocale = defaultLocale; exports.formatLocale = formatLocale; @@ -16743,7 +16736,7 @@ exports.scaleOrdinal = ordinal; exports.scaleImplicit = implicit; exports.scalePow = pow$1; exports.scaleSqrt = sqrt$1; -exports.scaleQuantile = quantile; +exports.scaleQuantile = quantile$$1; exports.scaleQuantize = quantize$1; exports.scaleThreshold = threshold$1; exports.scaleTime = time; diff --git a/app/assets/javascripts/d3.v4.min.js b/app/assets/javascripts/d3.v4.min.js index 6a27058..2135fcb 100644 --- a/app/assets/javascripts/d3.v4.min.js +++ b/app/assets/javascripts/d3.v4.min.js @@ -1,2 +1,2 @@ -// https://d3js.org Version 4.10.0. 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3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};Ka.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};tc.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var r,i=t[0],o=n[0],u=t[e]-i,a=n[e]-o,c=-1;++c<=e;)r=c/e,this._basis.point(this._beta*t[c]+(1-this._beta)*(i+r*u),this._beta*n[c]+(1-this._beta)*(o+r*a));this._x=this._y=null,this._basis.lineEnd()},point:function(t,n){this._x.push(+t),this._y.push(+n)}};var Xg=function t(n){function e(t){return 1===n?new Ja(t):new tc(t,n)}return e.beta=function(n){return t(+n)},e}(.85);ec.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:nc(this,this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2,this._x1=t,this._y1=n;break;case 2:this._point=3;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var $g=function t(n){function e(t){return new ec(t,n)}return e.tension=function(n){return t(+n)},e}(0);rc.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Vg=function t(n){function e(t){return new rc(t,n)}return e.tension=function(n){return t(+n)},e}(0);ic.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Wg=function t(n){function e(t){return new ic(t,n)}return e.tension=function(n){return t(+n)},e}(0);uc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Zg=function t(n){function e(t){return n?new uc(t,n):new ec(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);ac.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Gg=function t(n){function e(t){return n?new ac(t,n):new rc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);cc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Jg=function t(n){function e(t){return n?new cc(t,n):new ic(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);sc.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}};dc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:pc(this,this._t0,hc(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,pc(this,hc(this,e=lc(this,t,n)),e);break;default:pc(this,this._t0,e=lc(this,t,n))}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n,this._t0=e}}},(vc.prototype=Object.create(dc.prototype)).point=function(t,n){dc.prototype.point.call(this,n,t)},_c.prototype={moveTo:function(t,n){this._context.moveTo(n,t)},closePath:function(){this._context.closePath()},lineTo:function(t,n){this._context.lineTo(n,t)},bezierCurveTo:function(t,n,e,r,i,o){this._context.bezierCurveTo(n,t,r,e,o,i)}},yc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=[],this._y=[]},lineEnd:function(){var t=this._x,n=this._y,e=t.length;if(e)if(this._line?this._context.lineTo(t[0],n[0]):this._context.moveTo(t[0],n[0]),2===e)this._context.lineTo(t[1],n[1]);else for(var r=gc(t),i=gc(n),o=0,u=1;u=0&&(this._t=1-this._t,this._line=1-this._line)},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:if(this._t<=0)this._context.lineTo(this._x,n),this._context.lineTo(t,n);else{var e=this._x*(1-this._t)+t*this._t;this._context.lineTo(e,this._y),this._context.lineTo(e,n)}}this._x=t,this._y=n}};var Qg=function(t,n){if((i=t.length)>1)for(var e,r,i,o=1,u=t[n[0]],a=u.length;o=0;)e[n]=n;return e},tm=function(t){var n=t.map(bc);return Kg(t).sort(function(t,e){return n[t]-n[e]})},nm=function(t){return function(){return t}};Tc.prototype={constructor:Tc,insert:function(t,n){var e,r,i;if(t){if(n.P=t,n.N=t.N,t.N&&(t.N.P=n),t.N=n,t.R){for(t=t.R;t.L;)t=t.L;t.L=n}else t.R=n;e=t}else this._?(t=Ec(this._),n.P=null,n.N=t,t.P=t.L=n,e=t):(n.P=n.N=null,this._=n,e=null);for(n.L=n.R=null,n.U=e,n.C=!0,t=n;e&&e.C;)e===(r=e.U).L?(i=r.R)&&i.C?(e.C=i.C=!1,r.C=!0,t=r):(t===e.R&&(Nc(this,e),e=(t=e).U),e.C=!1,r.C=!0,Sc(this,r)):(i=r.L)&&i.C?(e.C=i.C=!1,r.C=!0,t=r):(t===e.L&&(Sc(this,e),e=(t=e).U),e.C=!1,r.C=!0,Nc(this,r)),e=t.U;this._.C=!1},remove:function(t){t.N&&(t.N.P=t.P),t.P&&(t.P.N=t.N),t.N=t.P=null;var n,e,r,i=t.U,o=t.L,u=t.R;if(e=o?u?Ec(u):o:u,i?i.L===t?i.L=e:i.R=e:this._=e,o&&u?(r=e.C,e.C=t.C,e.L=o,o.U=e,e!==u?(i=e.U,e.U=t.U,t=e.R,i.L=t,e.R=u,u.U=e):(e.U=i,i=e,t=e.R)):(r=t.C,t=e),t&&(t.U=i),!r)if(t&&t.C)t.C=!1;else{do{if(t===this._)break;if(t===i.L){if((n=i.R).C&&(n.C=!1,i.C=!0,Nc(this,i),n=i.R),n.L&&n.L.C||n.R&&n.R.C){n.R&&n.R.C||(n.L.C=!1,n.C=!0,Sc(this,n),n=i.R),n.C=i.C,i.C=n.R.C=!1,Nc(this,i),t=this._;break}}else if((n=i.L).C&&(n.C=!1,i.C=!0,Sc(this,i),n=i.L),n.L&&n.L.C||n.R&&n.R.C){n.L&&n.L.C||(n.R.C=!1,n.C=!0,Nc(this,n),n=i.L),n.C=i.C,i.C=n.L.C=!1,Sc(this,i),t=this._;break}n.C=!0,t=i,i=i.U}while(!t.C);t&&(t.C=!1)}}};var em,rm,im,om,um,am=[],cm=[],sm=1e-6,fm=1e-12;Kc.prototype={constructor:Kc,polygons:function(){var t=this.edges;return this.cells.map(function(n){var e=n.halfedges.map(function(e){return Dc(n,t[e])});return e.data=n.site.data,e})},triangles:function(){var t=[],n=this.edges;return this.cells.forEach(function(e,r){if(o=(i=e.halfedges).length)for(var i,o,u,a=e.site,c=-1,s=n[i[o-1]],f=s.left===a?s.right:s.left;++c=a)return null;var c=t-i.site[0],s=n-i.site[1],f=c*c+s*s;do{i=o.cells[r=u],u=null,i.halfedges.forEach(function(e){var r=o.edges[e],a=r.left;if(a!==i.site&&a||(a=r.right)){var c=t-a[0],s=n-a[1],l=c*c+s*s;lt?1:n>=t?0:NaN},t.deviation=_s,t.extent=ys,t.histogram=function(){function t(t){var o,u,a=t.length,c=new Array(a);for(o=0;ol;)h.pop(),--p;var d,v=new 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3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Qg=function t(n){function e(t){return new rc(t,n)}return e.tension=function(n){return t(+n)},e}(0);ic.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Kg=function t(n){function e(t){return new ic(t,n)}return e.tension=function(n){return t(+n)},e}(0);uc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var tm=function t(n){function e(t){return n?new uc(t,n):new ec(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);ac.prototype={areaStart:Zg,areaEnd:Zg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var nm=function t(n){function e(t){return n?new ac(t,n):new rc(t,0)}return e.alpha=function(n){return 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n?new cc(t,n):new ic(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);sc.prototype={areaStart:Zg,areaEnd:Zg,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}};dc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:pc(this,this._t0,hc(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,pc(this,hc(this,e=lc(this,t,n)),e);break;default:pc(this,this._t0,e=lc(this,t,n))}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n,this._t0=e}}},(vc.prototype=Object.create(dc.prototype)).point=function(t,n){dc.prototype.point.call(this,n,t)},_c.prototype={moveTo:function(t,n){this._context.moveTo(n,t)},closePath:function(){this._context.closePath()},lineTo:function(t,n){this._context.lineTo(n,t)},bezierCurveTo:function(t,n,e,r,i,o){this._context.bezierCurveTo(n,t,r,e,o,i)}},yc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=[],this._y=[]},lineEnd:function(){var t=this._x,n=this._y,e=t.length;if(e)if(this._line?this._context.lineTo(t[0],n[0]):this._context.moveTo(t[0],n[0]),2===e)this._context.lineTo(t[1],n[1]);else for(var r=gc(t),i=gc(n),o=0,u=1;u=0&&(this._t=1-this._t,this._line=1-this._line)},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:if(this._t<=0)this._context.lineTo(this._x,n),this._context.lineTo(t,n);else{var e=this._x*(1-this._t)+t*this._t;this._context.lineTo(e,this._y),this._context.lineTo(e,n)}}this._x=t,this._y=n}};var rm=function(t,n){if((i=t.length)>1)for(var e,r,i,o=1,u=t[n[0]],a=u.length;o=0;)e[n]=n;return e},om=function(t){var n=t.map(bc);return im(t).sort(function(t,e){return n[t]-n[e]})},um=function(t){return function(){return t}};Tc.prototype={constructor:Tc,insert:function(t,n){var e,r,i;if(t){if(n.P=t,n.N=t.N,t.N&&(t.N.P=n),t.N=n,t.R){for(t=t.R;t.L;)t=t.L;t.L=n}else t.R=n;e=t}else 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p(){if(g.apply(this,arguments)){var n,e,r,i,o=a(this,arguments),u=t.event.changedTouches,c=u.length;for(rs(),e=0;e Date: Mon, 5 Mar 2018 22:13:22 +0100 Subject: [PATCH 29/42] Update D3 to 4.13.0 --- CHANGELOG.md | 3 + README.md | 2 +- app/assets/javascripts/d3.js | 4423 ++++++++++++++------------- app/assets/javascripts/d3.min.js | 4 +- app/assets/javascripts/d3.v4.js | 4423 ++++++++++++++------------- app/assets/javascripts/d3.v4.min.js | 4 +- lib/d3/rails/version.rb | 2 +- 7 files changed, 4707 insertions(+), 4154 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 205db1a..2b52b3f 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## 4.13.0 (05 Mar 2018) +* Upgrade D3 to 4.13.0 + ## 4.10.2 (11 Sep 2017) * Upgrade D3 to 4.10.2 diff --git a/README.md b/README.md index b87bd75..87a581d 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 4.10.2 of D3.js. The d3-rails version will +d3-rails comes with version 4.13.0 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index 1a452be..a8c3d22 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,17 +1,17 @@ -// https://d3js.org Version 4.10.2. Copyright 2017 Mike Bostock. +// https://d3js.org Version 4.13.0. Copyright 2018 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "4.10.2"; +var version = "4.13.0"; -var ascending = function(a, b) { +function ascending(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; -}; +} -var bisector = function(compare) { +function bisector(compare) { if (compare.length === 1) compare = ascendingComparator(compare); return { left: function(a, x, lo, hi) { @@ -35,7 +35,7 @@ var bisector = function(compare) { return lo; } }; -}; +} function ascendingComparator(f) { return function(d, x) { @@ -44,21 +44,21 @@ function ascendingComparator(f) { } var ascendingBisect = bisector(ascending); -var bisectRight$1 = ascendingBisect.right; +var bisectRight = ascendingBisect.right; var bisectLeft = ascendingBisect.left; -var pairs = function(array, f) { +function pairs(array, f) { if (f == null) f = pair; var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n); while (i < n) pairs[i] = f(p, p = array[++i]); return pairs; -}; +} function pair(a, b) { return [a, b]; } -var cross = function(values0, values1, reduce) { +function cross(values0, values1, reduce) { var n0 = values0.length, n1 = values1.length, values = new Array(n0 * n1), @@ -76,17 +76,17 @@ var cross = function(values0, values1, reduce) { } return values; -}; +} -var descending = function(a, b) { +function descending(a, b) { return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; -}; +} -var number = function(x) { +function number(x) { return x === null ? NaN : +x; -}; +} -var variance = function(values, valueof) { +function variance(values, valueof) { var n = values.length, m = 0, i = -1, @@ -116,14 +116,14 @@ var variance = function(values, valueof) { } if (m > 1) return sum / (m - 1); -}; +} -var deviation = function(array, f) { +function deviation(array, f) { var v = variance(array, f); return v ? Math.sqrt(v) : v; -}; +} -var extent = function(values, valueof) { +function extent(values, valueof) { var n = values.length, i = -1, value, @@ -159,24 +159,24 @@ var extent = function(values, valueof) { } return [min, max]; -}; +} var array = Array.prototype; var slice = array.slice; var map = array.map; -var constant = function(x) { +function constant(x) { return function() { return x; }; -}; +} -var identity = function(x) { +function identity(x) { return x; -}; +} -var sequence = function(start, stop, step) { +function sequence(start, stop, step) { start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; var i = -1, @@ -188,21 +188,22 @@ var sequence = function(start, stop, step) { } return range; -}; +} var e10 = Math.sqrt(50); var e5 = Math.sqrt(10); var e2 = Math.sqrt(2); -var ticks = function(start, stop, count) { - var reverse = stop < start, +function ticks(start, stop, count) { + var reverse, i = -1, n, ticks, step; - if (reverse) n = start, start = stop, stop = n; - + stop = +stop, start = +start, count = +count; + if (start === stop && count > 0) return [start]; + if (reverse = stop < start) n = start, start = stop, stop = n; if ((step = tickIncrement(start, stop, count)) === 0 || !isFinite(step)) return []; if (step > 0) { @@ -220,7 +221,7 @@ var ticks = function(start, stop, count) { if (reverse) ticks.reverse(); return ticks; -}; +} function tickIncrement(start, stop, count) { var step = (stop - start) / Math.max(0, count), @@ -241,11 +242,11 @@ function tickStep(start, stop, count) { return stop < start ? -step1 : step1; } -var sturges = function(values) { +function sturges(values) { return Math.ceil(Math.log(values.length) / Math.LN2) + 1; -}; +} -var histogram = function() { +function histogram() { var value = identity, domain = extent, threshold = sturges; @@ -290,7 +291,7 @@ var histogram = function() { for (i = 0; i < n; ++i) { x = values[i]; if (x0 <= x && x <= x1) { - bins[bisectRight$1(tz, x, 0, m)].push(data[i]); + bins[bisectRight(tz, x, 0, m)].push(data[i]); } } @@ -310,9 +311,9 @@ var histogram = function() { }; return histogram; -}; +} -var threshold = function(values, p, valueof) { +function threshold(values, p, valueof) { if (valueof == null) valueof = number; if (!(n = values.length)) return; if ((p = +p) <= 0 || n < 2) return +valueof(values[0], 0, values); @@ -323,18 +324,18 @@ var threshold = function(values, p, valueof) { value0 = +valueof(values[i0], i0, values), value1 = +valueof(values[i0 + 1], i0 + 1, values); return value0 + (value1 - value0) * (i - i0); -}; +} -var freedmanDiaconis = function(values, min, max) { +function freedmanDiaconis(values, min, max) { values = map.call(values, number).sort(ascending); return Math.ceil((max - min) / (2 * (threshold(values, 0.75) - threshold(values, 0.25)) * Math.pow(values.length, -1 / 3))); -}; +} -var scott = function(values, min, max) { +function scott(values, min, max) { return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3))); -}; +} -var max = function(values, valueof) { +function max(values, valueof) { var n = values.length, i = -1, value, @@ -367,9 +368,9 @@ var max = function(values, valueof) { } return max; -}; +} -var mean = function(values, valueof) { +function mean(values, valueof) { var n = values.length, m = n, i = -1, @@ -391,9 +392,9 @@ var mean = function(values, valueof) { } if (m) return sum / m; -}; +} -var median = function(values, valueof) { +function median(values, valueof) { var n = values.length, i = -1, value, @@ -416,9 +417,9 @@ var median = function(values, valueof) { } return threshold(numbers.sort(ascending), 0.5); -}; +} -var merge = function(arrays) { +function merge(arrays) { var n = arrays.length, m, i = -1, @@ -438,9 +439,9 @@ var merge = function(arrays) { } return merged; -}; +} -var min = function(values, valueof) { +function min(values, valueof) { var n = values.length, i = -1, value, @@ -473,15 +474,15 @@ var min = function(values, valueof) { } return min; -}; +} -var permute = function(array, indexes) { +function permute(array, indexes) { var i = indexes.length, permutes = new Array(i); while (i--) permutes[i] = array[indexes[i]]; return permutes; -}; +} -var scan = function(values, compare) { +function scan(values, compare) { if (!(n = values.length)) return; var n, i = 0, @@ -498,9 +499,9 @@ var scan = function(values, compare) { } if (compare(xj, xj) === 0) return j; -}; +} -var shuffle = function(array, i0, i1) { +function shuffle(array, i0, i1) { var m = (i1 == null ? array.length : i1) - (i0 = i0 == null ? 0 : +i0), t, i; @@ -513,9 +514,9 @@ var shuffle = function(array, i0, i1) { } return array; -}; +} -var sum = function(values, valueof) { +function sum(values, valueof) { var n = values.length, i = -1, value, @@ -534,9 +535,9 @@ var sum = function(values, valueof) { } return sum; -}; +} -var transpose = function(matrix) { +function transpose(matrix) { if (!(n = matrix.length)) return []; for (var i = -1, m = min(matrix, length), transpose = new Array(m); ++i < m;) { for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n;) { @@ -544,21 +545,21 @@ var transpose = function(matrix) { } } return transpose; -}; +} function length(d) { return d.length; } -var zip = function() { +function zip() { return transpose(arguments); -}; +} var slice$1 = Array.prototype.slice; -var identity$1 = function(x) { +function identity$1(x) { return x; -}; +} var top = 1; var right = 2; @@ -825,11 +826,11 @@ var namespaces = { xmlns: "http://www.w3.org/2000/xmlns/" }; -var namespace = function(name) { +function namespace(name) { var prefix = name += "", i = prefix.indexOf(":"); if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; -}; +} function creatorInherit(name) { return function() { @@ -847,40 +848,60 @@ function creatorFixed(fullname) { }; } -var creator = function(name) { +function creator(name) { var fullname = namespace(name); return (fullname.local ? creatorFixed : creatorInherit)(fullname); -}; +} -var nextId = 0; +function none() {} -function local$1() { - return new Local; +function selector(selector) { + return selector == null ? none : function() { + return this.querySelector(selector); + }; } -function Local() { - this._ = "@" + (++nextId).toString(36); +function selection_select(select) { + if (typeof select !== "function") select = selector(select); + + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { + if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { + if ("__data__" in node) subnode.__data__ = node.__data__; + subgroup[i] = subnode; + } + } + } + + return new Selection(subgroups, this._parents); } -Local.prototype = local$1.prototype = { - constructor: Local, - get: function(node) { - var id = this._; - while (!(id in node)) if (!(node = node.parentNode)) return; - return node[id]; - }, - set: function(node, value) { - return node[this._] = value; - }, - remove: function(node) { - return this._ in node && delete node[this._]; - }, - toString: function() { - return this._; +function empty$1() { + return []; +} + +function selectorAll(selector) { + return selector == null ? empty$1 : function() { + return this.querySelectorAll(selector); + }; +} + +function selection_selectAll(select) { + if (typeof select !== "function") select = selectorAll(select); + + for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + subgroups.push(select.call(node, node.__data__, i, group)); + parents.push(node); + } + } } -}; + + return new Selection(subgroups, parents); +} var matcher = function(selector) { return function() { @@ -905,257 +926,75 @@ if (typeof document !== "undefined") { var matcher$1 = matcher; -var filterEvents = {}; - -exports.event = null; +function selection_filter(match) { + if (typeof match !== "function") match = matcher$1(match); -if (typeof document !== "undefined") { - var element$1 = document.documentElement; - if (!("onmouseenter" in element$1)) { - filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { + if ((node = group[i]) && match.call(node, node.__data__, i, group)) { + subgroup.push(node); + } + } } + + return new Selection(subgroups, this._parents); } -function filterContextListener(listener, index, group) { - listener = contextListener(listener, index, group); - return function(event) { - var related = event.relatedTarget; - if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { - listener.call(this, event); - } - }; +function sparse(update) { + return new Array(update.length); } -function contextListener(listener, index, group) { - return function(event1) { - var event0 = exports.event; // Events can be reentrant (e.g., focus). - exports.event = event1; - try { - listener.call(this, this.__data__, index, group); - } finally { - exports.event = event0; - } - }; +function selection_enter() { + return new Selection(this._enter || this._groups.map(sparse), this._parents); } -function parseTypenames$1(typenames) { - return typenames.trim().split(/^|\s+/).map(function(t) { - var name = "", i = t.indexOf("."); - if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); - return {type: t, name: name}; - }); +function EnterNode(parent, datum) { + this.ownerDocument = parent.ownerDocument; + this.namespaceURI = parent.namespaceURI; + this._next = null; + this._parent = parent; + this.__data__ = datum; } -function onRemove(typename) { +EnterNode.prototype = { + constructor: EnterNode, + appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, + insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, + querySelector: function(selector) { return this._parent.querySelector(selector); }, + querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } +}; + +function constant$1(x) { return function() { - var on = this.__on; - if (!on) return; - for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { - if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); - } else { - on[++i] = o; - } - } - if (++i) on.length = i; - else delete this.__on; + return x; }; } -function onAdd(typename, value, capture) { - var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; - return function(d, i, group) { - var on = this.__on, o, listener = wrap(value, i, group); - if (on) for (var j = 0, m = on.length; j < m; ++j) { - if ((o = on[j]).type === typename.type && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); - this.addEventListener(o.type, o.listener = listener, o.capture = capture); - o.value = value; - return; - } - } - this.addEventListener(typename.type, listener, capture); - o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; - if (!on) this.__on = [o]; - else on.push(o); - }; -} +var keyPrefix = "$"; // Protect against keys like “__proto__”. -var selection_on = function(typename, value, capture) { - var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t; +function bindIndex(parent, group, enter, update, exit, data) { + var i = 0, + node, + groupLength = group.length, + dataLength = data.length; - if (arguments.length < 2) { - var on = this.node().__on; - if (on) for (var j = 0, m = on.length, o; j < m; ++j) { - for (i = 0, o = on[j]; i < n; ++i) { - if ((t = typenames[i]).type === o.type && t.name === o.name) { - return o.value; - } - } + // Put any non-null nodes that fit into update. + // Put any null nodes into enter. + // Put any remaining data into enter. + for (; i < dataLength; ++i) { + if (node = group[i]) { + node.__data__ = data[i]; + update[i] = node; + } else { + enter[i] = new EnterNode(parent, data[i]); } - return; } - on = value ? onAdd : onRemove; - if (capture == null) capture = false; - for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); - return this; -}; - -function customEvent(event1, listener, that, args) { - var event0 = exports.event; - event1.sourceEvent = exports.event; - exports.event = event1; - try { - return listener.apply(that, args); - } finally { - exports.event = event0; - } -} - -var sourceEvent = function() { - var current = exports.event, source; - while (source = current.sourceEvent) current = source; - return current; -}; - -var point = function(node, event) { - var svg = node.ownerSVGElement || node; - - if (svg.createSVGPoint) { - var point = svg.createSVGPoint(); - point.x = event.clientX, point.y = event.clientY; - point = point.matrixTransform(node.getScreenCTM().inverse()); - return [point.x, point.y]; - } - - var rect = node.getBoundingClientRect(); - return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; -}; - -var mouse = function(node) { - var event = sourceEvent(); - if (event.changedTouches) event = event.changedTouches[0]; - return point(node, event); -}; - -function none() {} - -var selector = function(selector) { - return selector == null ? none : function() { - return this.querySelector(selector); - }; -}; - -var selection_select = function(select) { - if (typeof select !== "function") select = selector(select); - - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { - if ("__data__" in node) subnode.__data__ = node.__data__; - subgroup[i] = subnode; - } - } - } - - return new Selection(subgroups, this._parents); -}; - -function empty$1() { - return []; -} - -var selectorAll = function(selector) { - return selector == null ? empty$1 : function() { - return this.querySelectorAll(selector); - }; -}; - -var selection_selectAll = function(select) { - if (typeof select !== "function") select = selectorAll(select); - - for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - subgroups.push(select.call(node, node.__data__, i, group)); - parents.push(node); - } - } - } - - return new Selection(subgroups, parents); -}; - -var selection_filter = function(match) { - if (typeof match !== "function") match = matcher$1(match); - - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { - if ((node = group[i]) && match.call(node, node.__data__, i, group)) { - subgroup.push(node); - } - } - } - - return new Selection(subgroups, this._parents); -}; - -var sparse = function(update) { - return new Array(update.length); -}; - -var selection_enter = function() { - return new Selection(this._enter || this._groups.map(sparse), this._parents); -}; - -function EnterNode(parent, datum) { - this.ownerDocument = parent.ownerDocument; - this.namespaceURI = parent.namespaceURI; - this._next = null; - this._parent = parent; - this.__data__ = datum; -} - -EnterNode.prototype = { - constructor: EnterNode, - appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, - insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, - querySelector: function(selector) { return this._parent.querySelector(selector); }, - querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } -}; - -var constant$1 = function(x) { - return function() { - return x; - }; -}; - -var keyPrefix = "$"; // Protect against keys like “__proto__”. - -function bindIndex(parent, group, enter, update, exit, data) { - var i = 0, - node, - groupLength = group.length, - dataLength = data.length; - - // Put any non-null nodes that fit into update. - // Put any null nodes into enter. - // Put any remaining data into enter. - for (; i < dataLength; ++i) { - if (node = group[i]) { - node.__data__ = data[i]; - update[i] = node; - } else { - enter[i] = new EnterNode(parent, data[i]); - } - } - - // Put any non-null nodes that don’t fit into exit. - for (; i < groupLength; ++i) { - if (node = group[i]) { - exit[i] = node; - } + // Put any non-null nodes that don’t fit into exit. + for (; i < groupLength; ++i) { + if (node = group[i]) { + exit[i] = node; + } } } @@ -1203,7 +1042,7 @@ function bindKey(parent, group, enter, update, exit, data, key) { } } -var selection_data = function(value, key) { +function selection_data(value, key) { if (!value) { data = new Array(this.size()), j = -1; this.each(function(d) { data[++j] = d; }); @@ -1244,13 +1083,13 @@ var selection_data = function(value, key) { update._enter = enter; update._exit = exit; return update; -}; +} -var selection_exit = function() { +function selection_exit() { return new Selection(this._exit || this._groups.map(sparse), this._parents); -}; +} -var selection_merge = function(selection$$1) { +function selection_merge(selection$$1) { for (var groups0 = this._groups, groups1 = selection$$1._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { @@ -1265,9 +1104,9 @@ var selection_merge = function(selection$$1) { } return new Selection(merges, this._parents); -}; +} -var selection_order = function() { +function selection_order() { for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) { @@ -1279,9 +1118,9 @@ var selection_order = function() { } return this; -}; +} -var selection_sort = function(compare) { +function selection_sort(compare) { if (!compare) compare = ascending$1; function compareNode(a, b) { @@ -1298,26 +1137,26 @@ var selection_sort = function(compare) { } return new Selection(sortgroups, this._parents).order(); -}; +} function ascending$1(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; } -var selection_call = function() { +function selection_call() { var callback = arguments[0]; arguments[0] = this; callback.apply(null, arguments); return this; -}; +} -var selection_nodes = function() { +function selection_nodes() { var nodes = new Array(this.size()), i = -1; this.each(function() { nodes[++i] = this; }); return nodes; -}; +} -var selection_node = function() { +function selection_node() { for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { for (var group = groups[j], i = 0, n = group.length; i < n; ++i) { @@ -1327,19 +1166,19 @@ var selection_node = function() { } return null; -}; +} -var selection_size = function() { +function selection_size() { var size = 0; this.each(function() { ++size; }); return size; -}; +} -var selection_empty = function() { +function selection_empty() { return !this.node(); -}; +} -var selection_each = function(callback) { +function selection_each(callback) { for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { @@ -1348,7 +1187,7 @@ var selection_each = function(callback) { } return this; -}; +} function attrRemove(name) { return function() { @@ -1390,7 +1229,7 @@ function attrFunctionNS(fullname, value) { }; } -var selection_attr = function(name, value) { +function selection_attr(name, value) { var fullname = namespace(name); if (arguments.length < 2) { @@ -1404,13 +1243,13 @@ var selection_attr = function(name, value) { ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" ? (fullname.local ? attrFunctionNS : attrFunction) : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); -}; +} -var defaultView = function(node) { +function defaultView(node) { return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node || (node.document && node) // node is a Window || node.defaultView; // node is a Document -}; +} function styleRemove(name) { return function() { @@ -1432,14 +1271,14 @@ function styleFunction(name, value, priority) { }; } -var selection_style = function(name, value, priority) { +function selection_style(name, value, priority) { return arguments.length > 1 ? this.each((value == null ? styleRemove : typeof value === "function" ? styleFunction : styleConstant)(name, value, priority == null ? "" : priority)) : styleValue(this.node(), name); -}; +} function styleValue(node, name) { return node.style.getPropertyValue(name) @@ -1466,14 +1305,14 @@ function propertyFunction(name, value) { }; } -var selection_property = function(name, value) { +function selection_property(name, value) { return arguments.length > 1 ? this.each((value == null ? propertyRemove : typeof value === "function" ? propertyFunction : propertyConstant)(name, value)) : this.node()[name]; -}; +} function classArray(string) { return string.trim().split(/^|\s+/); @@ -1536,7 +1375,7 @@ function classedFunction(names, value) { }; } -var selection_classed = function(name, value) { +function selection_classed(name, value) { var names = classArray(name + ""); if (arguments.length < 2) { @@ -1549,7 +1388,7 @@ var selection_classed = function(name, value) { ? classedFunction : value ? classedTrue : classedFalse)(names, value)); -}; +} function textRemove() { this.textContent = ""; @@ -1568,14 +1407,14 @@ function textFunction(value) { }; } -var selection_text = function(value) { +function selection_text(value) { return arguments.length ? this.each(value == null ? textRemove : (typeof value === "function" ? textFunction : textConstant)(value)) : this.node().textContent; -}; +} function htmlRemove() { this.innerHTML = ""; @@ -1594,118 +1433,238 @@ function htmlFunction(value) { }; } -var selection_html = function(value) { +function selection_html(value) { return arguments.length ? this.each(value == null ? htmlRemove : (typeof value === "function" ? htmlFunction : htmlConstant)(value)) : this.node().innerHTML; -}; +} function raise() { if (this.nextSibling) this.parentNode.appendChild(this); } -var selection_raise = function() { +function selection_raise() { return this.each(raise); -}; +} function lower() { if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); } -var selection_lower = function() { +function selection_lower() { return this.each(lower); -}; +} -var selection_append = function(name) { +function selection_append(name) { var create = typeof name === "function" ? name : creator(name); return this.select(function() { return this.appendChild(create.apply(this, arguments)); }); -}; +} function constantNull() { return null; } -var selection_insert = function(name, before) { +function selection_insert(name, before) { var create = typeof name === "function" ? name : creator(name), select = before == null ? constantNull : typeof before === "function" ? before : selector(before); return this.select(function() { return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); }); -}; +} function remove() { var parent = this.parentNode; if (parent) parent.removeChild(this); } -var selection_remove = function() { +function selection_remove() { return this.each(remove); -}; +} + +function selection_cloneShallow() { + return this.parentNode.insertBefore(this.cloneNode(false), this.nextSibling); +} + +function selection_cloneDeep() { + return this.parentNode.insertBefore(this.cloneNode(true), this.nextSibling); +} + +function selection_clone(deep) { + return this.select(deep ? selection_cloneDeep : selection_cloneShallow); +} -var selection_datum = function(value) { +function selection_datum(value) { return arguments.length ? this.property("__data__", value) : this.node().__data__; -}; +} -function dispatchEvent(node, type, params) { - var window = defaultView(node), - event = window.CustomEvent; +var filterEvents = {}; - if (typeof event === "function") { - event = new event(type, params); - } else { - event = window.document.createEvent("Event"); - if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; - else event.initEvent(type, false, false); - } +exports.event = null; - node.dispatchEvent(event); +if (typeof document !== "undefined") { + var element$1 = document.documentElement; + if (!("onmouseenter" in element$1)) { + filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; + } } -function dispatchConstant(type, params) { - return function() { - return dispatchEvent(this, type, params); +function filterContextListener(listener, index, group) { + listener = contextListener(listener, index, group); + return function(event) { + var related = event.relatedTarget; + if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { + listener.call(this, event); + } }; } -function dispatchFunction(type, params) { - return function() { - return dispatchEvent(this, type, params.apply(this, arguments)); +function contextListener(listener, index, group) { + return function(event1) { + var event0 = exports.event; // Events can be reentrant (e.g., focus). + exports.event = event1; + try { + listener.call(this, this.__data__, index, group); + } finally { + exports.event = event0; + } }; } -var selection_dispatch = function(type, params) { - return this.each((typeof params === "function" - ? dispatchFunction - : dispatchConstant)(type, params)); -}; - -var root = [null]; - -function Selection(groups, parents) { - this._groups = groups; - this._parents = parents; -} - -function selection() { - return new Selection([[document.documentElement]], root); +function parseTypenames$1(typenames) { + return typenames.trim().split(/^|\s+/).map(function(t) { + var name = "", i = t.indexOf("."); + if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); + return {type: t, name: name}; + }); } -Selection.prototype = selection.prototype = { - constructor: Selection, - select: selection_select, - selectAll: selection_selectAll, - filter: selection_filter, - data: selection_data, - enter: selection_enter, - exit: selection_exit, - merge: selection_merge, +function onRemove(typename) { + return function() { + var on = this.__on; + if (!on) return; + for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { + if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { + this.removeEventListener(o.type, o.listener, o.capture); + } else { + on[++i] = o; + } + } + if (++i) on.length = i; + else delete this.__on; + }; +} + +function onAdd(typename, value, capture) { + var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; + return function(d, i, group) { + var on = this.__on, o, listener = wrap(value, i, group); + if (on) for (var j = 0, m = on.length; j < m; ++j) { + if ((o = on[j]).type === typename.type && o.name === typename.name) { + this.removeEventListener(o.type, o.listener, o.capture); + this.addEventListener(o.type, o.listener = listener, o.capture = capture); + o.value = value; + return; + } + } + this.addEventListener(typename.type, listener, capture); + o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; + if (!on) this.__on = [o]; + else on.push(o); + }; +} + +function selection_on(typename, value, capture) { + var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t; + + if (arguments.length < 2) { + var on = this.node().__on; + if (on) for (var j = 0, m = on.length, o; j < m; ++j) { + for (i = 0, o = on[j]; i < n; ++i) { + if ((t = typenames[i]).type === o.type && t.name === o.name) { + return o.value; + } + } + } + return; + } + + on = value ? onAdd : onRemove; + if (capture == null) capture = false; + for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); + return this; +} + +function customEvent(event1, listener, that, args) { + var event0 = exports.event; + event1.sourceEvent = exports.event; + exports.event = event1; + try { + return listener.apply(that, args); + } finally { + exports.event = event0; + } +} + +function dispatchEvent(node, type, params) { + var window = defaultView(node), + event = window.CustomEvent; + + if (typeof event === "function") { + event = new event(type, params); + } else { + event = window.document.createEvent("Event"); + if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; + else event.initEvent(type, false, false); + } + + node.dispatchEvent(event); +} + +function dispatchConstant(type, params) { + return function() { + return dispatchEvent(this, type, params); + }; +} + +function dispatchFunction(type, params) { + return function() { + return dispatchEvent(this, type, params.apply(this, arguments)); + }; +} + +function selection_dispatch(type, params) { + return this.each((typeof params === "function" + ? dispatchFunction + : dispatchConstant)(type, params)); +} + +var root = [null]; + +function Selection(groups, parents) { + this._groups = groups; + this._parents = parents; +} + +function selection() { + return new Selection([[document.documentElement]], root); +} + +Selection.prototype = selection.prototype = { + constructor: Selection, + select: selection_select, + selectAll: selection_selectAll, + filter: selection_filter, + data: selection_data, + enter: selection_enter, + exit: selection_exit, + merge: selection_merge, order: selection_order, sort: selection_sort, call: selection_call, @@ -1725,24 +1684,83 @@ Selection.prototype = selection.prototype = { append: selection_append, insert: selection_insert, remove: selection_remove, + clone: selection_clone, datum: selection_datum, on: selection_on, dispatch: selection_dispatch }; -var select = function(selector) { +function select(selector) { return typeof selector === "string" ? new Selection([[document.querySelector(selector)]], [document.documentElement]) : new Selection([[selector]], root); +} + +function create(name) { + return select(creator(name).call(document.documentElement)); +} + +var nextId = 0; + +function local$1() { + return new Local; +} + +function Local() { + this._ = "@" + (++nextId).toString(36); +} + +Local.prototype = local$1.prototype = { + constructor: Local, + get: function(node) { + var id = this._; + while (!(id in node)) if (!(node = node.parentNode)) return; + return node[id]; + }, + set: function(node, value) { + return node[this._] = value; + }, + remove: function(node) { + return this._ in node && delete node[this._]; + }, + toString: function() { + return this._; + } }; -var selectAll = function(selector) { +function sourceEvent() { + var current = exports.event, source; + while (source = current.sourceEvent) current = source; + return current; +} + +function point(node, event) { + var svg = node.ownerSVGElement || node; + + if (svg.createSVGPoint) { + var point = svg.createSVGPoint(); + point.x = event.clientX, point.y = event.clientY; + point = point.matrixTransform(node.getScreenCTM().inverse()); + return [point.x, point.y]; + } + + var rect = node.getBoundingClientRect(); + return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; +} + +function mouse(node) { + var event = sourceEvent(); + if (event.changedTouches) event = event.changedTouches[0]; + return point(node, event); +} + +function selectAll(selector) { return typeof selector === "string" ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) : new Selection([selector == null ? [] : selector], root); -}; +} -var touch = function(node, touches, identifier) { +function touch(node, touches, identifier) { if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) { @@ -1752,9 +1770,9 @@ var touch = function(node, touches, identifier) { } return null; -}; +} -var touches = function(node, touches) { +function touches(node, touches) { if (touches == null) touches = sourceEvent().touches; for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) { @@ -1762,18 +1780,18 @@ var touches = function(node, touches) { } return points; -}; +} function nopropagation() { exports.event.stopImmediatePropagation(); } -var noevent = function() { +function noevent() { exports.event.preventDefault(); exports.event.stopImmediatePropagation(); -}; +} -var dragDisable = function(view) { +function dragDisable(view) { var root = view.document.documentElement, selection = select(view).on("dragstart.drag", noevent, true); if ("onselectstart" in root) { @@ -1782,7 +1800,7 @@ var dragDisable = function(view) { root.__noselect = root.style.MozUserSelect; root.style.MozUserSelect = "none"; } -}; +} function yesdrag(view, noclick) { var root = view.document.documentElement, @@ -1799,11 +1817,11 @@ function yesdrag(view, noclick) { } } -var constant$2 = function(x) { +function constant$2(x) { return function() { return x; }; -}; +} function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) { this.target = target; @@ -1836,14 +1854,15 @@ function defaultSubject(d) { return d == null ? {x: exports.event.x, y: exports.event.y} : d; } -function touchable() { +function defaultTouchable() { return "ontouchstart" in this; } -var drag = function() { +function drag() { var filter = defaultFilter$1, container = defaultContainer, subject = defaultSubject, + touchable = defaultTouchable, gestures = {}, listeners = dispatch("start", "drag", "end"), active = 0, @@ -1967,6 +1986,10 @@ var drag = function() { return arguments.length ? (subject = typeof _ === "function" ? _ : constant$2(_), drag) : subject; }; + drag.touchable = function(_) { + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$2(!!_), drag) : touchable; + }; + drag.on = function() { var value = listeners.on.apply(listeners, arguments); return value === listeners ? drag : value; @@ -1977,12 +2000,12 @@ var drag = function() { }; return drag; -}; +} -var define = function(constructor, factory, prototype) { +function define(constructor, factory, prototype) { constructor.prototype = factory.prototype = prototype; prototype.constructor = constructor; -}; +} function extend(parent, definition) { var prototype = Object.create(parent.prototype); @@ -2493,7 +2516,7 @@ function basis(t1, v0, v1, v2, v3) { + t3 * v3) / 6; } -var basis$1 = function(values) { +function basis$1(values) { var n = values.length - 1; return function(t) { var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n), @@ -2503,9 +2526,9 @@ var basis$1 = function(values) { v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; return basis((t - i / n) * n, v0, v1, v2, v3); }; -}; +} -var basisClosed = function(values) { +function basisClosed(values) { var n = values.length; return function(t) { var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n), @@ -2515,13 +2538,13 @@ var basisClosed = function(values) { v3 = values[(i + 2) % n]; return basis((t - i / n) * n, v0, v1, v2, v3); }; -}; +} -var constant$3 = function(x) { +function constant$3(x) { return function() { return x; }; -}; +} function linear(a, d) { return function(t) { @@ -2602,10 +2625,10 @@ function rgbSpline(spline) { var rgbBasis = rgbSpline(basis$1); var rgbBasisClosed = rgbSpline(basisClosed); -var array$1 = function(a, b) { +function array$1(a, b) { var nb = b ? b.length : 0, na = a ? Math.min(nb, a.length) : 0, - x = new Array(nb), + x = new Array(na), c = new Array(nb), i; @@ -2616,22 +2639,22 @@ var array$1 = function(a, b) { for (i = 0; i < na; ++i) c[i] = x[i](t); return c; }; -}; +} -var date = function(a, b) { +function date(a, b) { var d = new Date; return a = +a, b -= a, function(t) { return d.setTime(a + b * t), d; }; -}; +} -var reinterpolate = function(a, b) { +function reinterpolate(a, b) { return a = +a, b -= a, function(t) { return a + b * t; }; -}; +} -var object = function(a, b) { +function object(a, b) { var i = {}, c = {}, k; @@ -2651,7 +2674,7 @@ var object = function(a, b) { for (k in i) c[k] = i[k](t); return c; }; -}; +} var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; var reB = new RegExp(reA.source, "g"); @@ -2668,7 +2691,7 @@ function one(b) { }; } -var interpolateString = function(a, b) { +function interpolateString(a, b) { var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b am, // current match in a bm, // current match in b @@ -2714,9 +2737,9 @@ var interpolateString = function(a, b) { for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); return s.join(""); }); -}; +} -var interpolateValue = function(a, b) { +function interpolateValue(a, b) { var t = typeof b, c; return b == null || t === "boolean" ? constant$3(b) : (t === "number" ? reinterpolate @@ -2726,13 +2749,13 @@ var interpolateValue = function(a, b) { : Array.isArray(b) ? array$1 : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object : reinterpolate)(a, b); -}; +} -var interpolateRound = function(a, b) { +function interpolateRound(a, b) { return a = +a, b -= a, function(t) { return Math.round(a + b * t); }; -}; +} var degrees = 180 / Math.PI; @@ -2745,7 +2768,7 @@ var identity$2 = { scaleY: 1 }; -var decompose = function(a, b, c, d, e, f) { +function decompose(a, b, c, d, e, f) { var scaleX, scaleY, skewX; if (scaleX = Math.sqrt(a * a + b * b)) a /= scaleX, b /= scaleX; if (skewX = a * c + b * d) c -= a * skewX, d -= b * skewX; @@ -2759,7 +2782,7 @@ var decompose = function(a, b, c, d, e, f) { scaleX: scaleX, scaleY: scaleY }; -}; +} var cssNode; var cssRoot; @@ -2865,7 +2888,7 @@ function tanh(x) { // p0 = [ux0, uy0, w0] // p1 = [ux1, uy1, w1] -var interpolateZoom = function(p0, p1) { +function interpolateZoom(p0, p1) { var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2], dx = ux1 - ux0, @@ -2909,7 +2932,7 @@ var interpolateZoom = function(p0, p1) { i.duration = S * 1000; return i; -}; +} function hsl$1(hue$$1) { return function(start, end) { @@ -2990,11 +3013,11 @@ function cubehelix$1(hue$$1) { var cubehelix$2 = cubehelix$1(hue); var cubehelixLong = cubehelix$1(nogamma); -var quantize = function(interpolator, n) { +function quantize(interpolator, n) { var samples = new Array(n); for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); return samples; -}; +} var frame = 0; var timeout = 0; @@ -3107,7 +3130,7 @@ function sleep(time) { } } -var timeout$1 = function(callback, delay, time) { +function timeout$1(callback, delay, time) { var t = new Timer; delay = delay == null ? 0 : +delay; t.restart(function(elapsed) { @@ -3115,9 +3138,9 @@ var timeout$1 = function(callback, delay, time) { callback(elapsed + delay); }, delay, time); return t; -}; +} -var interval$1 = function(callback, delay, time) { +function interval$1(callback, delay, time) { var t = new Timer, total = delay; if (delay == null) return t.restart(callback, delay, time), t; delay = +delay, time = time == null ? now() : +time; @@ -3127,7 +3150,7 @@ var interval$1 = function(callback, delay, time) { callback(elapsed); }, delay, time); return t; -}; +} var emptyOn = dispatch("start", "end", "interrupt"); var emptyTween = []; @@ -3140,11 +3163,11 @@ var RUNNING = 4; var ENDING = 5; var ENDED = 6; -var schedule = function(node, name, id, index, group, timing) { +function schedule(node, name, id, index, group, timing) { var schedules = node.__transition; if (!schedules) node.__transition = {}; else if (id in schedules) return; - create(node, id, { + create$1(node, id, { name: name, index: index, // For context during callback. group: group, // For context during callback. @@ -3157,27 +3180,27 @@ var schedule = function(node, name, id, index, group, timing) { timer: null, state: CREATED }); -}; +} function init(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id]) || schedule.state > CREATED) throw new Error("too late"); + var schedule = get$1(node, id); + if (schedule.state > CREATED) throw new Error("too late; already scheduled"); return schedule; } function set$1(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id]) || schedule.state > STARTING) throw new Error("too late"); + var schedule = get$1(node, id); + if (schedule.state > STARTING) throw new Error("too late; already started"); return schedule; } function get$1(node, id) { var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id])) throw new Error("too late"); + if (!schedule || !(schedule = schedule[id])) throw new Error("transition not found"); return schedule; } -function create(node, id, self) { +function create$1(node, id, self) { var schedules = node.__transition, tween; @@ -3282,7 +3305,7 @@ function create(node, id, self) { } } -var interrupt = function(node, name) { +function interrupt(node, name) { var schedules = node.__transition, schedule$$1, active, @@ -3303,13 +3326,13 @@ var interrupt = function(node, name) { } if (empty) delete node.__transition; -}; +} -var selection_interrupt = function(name) { +function selection_interrupt(name) { return this.each(function() { interrupt(this, name); }); -}; +} function tweenRemove(id, name) { var tween0, tween1; @@ -3360,7 +3383,7 @@ function tweenFunction(id, name, value) { }; } -var transition_tween = function(name, value) { +function transition_tween(name, value) { var id = this._id; name += ""; @@ -3376,7 +3399,7 @@ var transition_tween = function(name, value) { } return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); -}; +} function tweenValue(transition, name, value) { var id = transition._id; @@ -3391,13 +3414,13 @@ function tweenValue(transition, name, value) { }; } -var interpolate = function(a, b) { +function interpolate(a, b) { var c; return (typeof b === "number" ? reinterpolate : b instanceof color ? interpolateRgb : (c = color(b)) ? (b = c, interpolateRgb) : interpolateString)(a, b); -}; +} function attrRemove$1(name) { return function() { @@ -3461,13 +3484,13 @@ function attrFunctionNS$1(fullname, interpolate$$1, value) { }; } -var transition_attr = function(name, value) { +function transition_attr(name, value) { var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate; return this.attrTween(name, typeof value === "function" ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value + "")); -}; +} function attrTweenNS(fullname, value) { function tween() { @@ -3491,14 +3514,14 @@ function attrTween(name, value) { return tween; } -var transition_attrTween = function(name, value) { +function transition_attrTween(name, value) { var key = "attr." + name; if (arguments.length < 2) return (key = this.tween(key)) && key._value; if (value == null) return this.tween(key, null); if (typeof value !== "function") throw new Error; var fullname = namespace(name); return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value)); -}; +} function delayFunction(id, value) { return function() { @@ -3512,7 +3535,7 @@ function delayConstant(id, value) { }; } -var transition_delay = function(value) { +function transition_delay(value) { var id = this._id; return arguments.length @@ -3520,7 +3543,7 @@ var transition_delay = function(value) { ? delayFunction : delayConstant)(id, value)) : get$1(this.node(), id).delay; -}; +} function durationFunction(id, value) { return function() { @@ -3534,7 +3557,7 @@ function durationConstant(id, value) { }; } -var transition_duration = function(value) { +function transition_duration(value) { var id = this._id; return arguments.length @@ -3542,7 +3565,7 @@ var transition_duration = function(value) { ? durationFunction : durationConstant)(id, value)) : get$1(this.node(), id).duration; -}; +} function easeConstant(id, value) { if (typeof value !== "function") throw new Error; @@ -3551,15 +3574,15 @@ function easeConstant(id, value) { }; } -var transition_ease = function(value) { +function transition_ease(value) { var id = this._id; return arguments.length ? this.each(easeConstant(id, value)) : get$1(this.node(), id).ease; -}; +} -var transition_filter = function(match) { +function transition_filter(match) { if (typeof match !== "function") match = matcher$1(match); for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { @@ -3571,9 +3594,9 @@ var transition_filter = function(match) { } return new Transition(subgroups, this._parents, this._name, this._id); -}; +} -var transition_merge = function(transition$$1) { +function transition_merge(transition$$1) { if (transition$$1._id !== this._id) throw new Error; for (var groups0 = this._groups, groups1 = transition$$1._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { @@ -3589,7 +3612,7 @@ var transition_merge = function(transition$$1) { } return new Transition(merges, this._parents, this._name, this._id); -}; +} function start(name) { return (name + "").trim().split(/^|\s+/).every(function(t) { @@ -3614,13 +3637,13 @@ function onFunction(id, name, listener) { }; } -var transition_on = function(name, listener) { +function transition_on(name, listener) { var id = this._id; return arguments.length < 2 ? get$1(this.node(), id).on.on(name) : this.each(onFunction(id, name, listener)); -}; +} function removeFunction(id) { return function() { @@ -3630,11 +3653,11 @@ function removeFunction(id) { }; } -var transition_remove = function() { +function transition_remove() { return this.on("end.remove", removeFunction(this._id)); -}; +} -var transition_select = function(select) { +function transition_select(select) { var name = this._name, id = this._id; @@ -3651,9 +3674,9 @@ var transition_select = function(select) { } return new Transition(subgroups, this._parents, name, id); -}; +} -var transition_selectAll = function(select) { +function transition_selectAll(select) { var name = this._name, id = this._id; @@ -3674,13 +3697,13 @@ var transition_selectAll = function(select) { } return new Transition(subgroups, parents, name, id); -}; +} var Selection$1 = selection.prototype.constructor; -var transition_selection = function() { +function transition_selection() { return new Selection$1(this._groups, this._parents); -}; +} function styleRemove$1(name, interpolate$$1) { var value00, @@ -3726,7 +3749,7 @@ function styleFunction$1(name, interpolate$$1, value) { }; } -var transition_style = function(name, value, priority) { +function transition_style(name, value, priority) { var i = (name += "") === "transform" ? interpolateTransformCss : interpolate; return value == null ? this .styleTween(name, styleRemove$1(name, i)) @@ -3734,7 +3757,7 @@ var transition_style = function(name, value, priority) { : this.styleTween(name, typeof value === "function" ? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) : styleConstant$1(name, i, value + ""), priority); -}; +} function styleTween(name, value, priority) { function tween() { @@ -3747,13 +3770,13 @@ function styleTween(name, value, priority) { return tween; } -var transition_styleTween = function(name, value, priority) { +function transition_styleTween(name, value, priority) { var key = "style." + (name += ""); if (arguments.length < 2) return (key = this.tween(key)) && key._value; if (value == null) return this.tween(key, null); if (typeof value !== "function") throw new Error; return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); -}; +} function textConstant$1(value) { return function() { @@ -3768,13 +3791,13 @@ function textFunction$1(value) { }; } -var transition_text = function(value) { +function transition_text(value) { return this.tween("text", typeof value === "function" ? textFunction$1(tweenValue(this, "text", value)) : textConstant$1(value == null ? "" : value + "")); -}; +} -var transition_transition = function() { +function transition_transition() { var name = this._name, id0 = this._id, id1 = newId(); @@ -3794,7 +3817,7 @@ var transition_transition = function() { } return new Transition(groups, this._parents, name, id1); -}; +} var id = 0; @@ -4070,7 +4093,7 @@ function inherit(node, id) { return timing; } -var selection_transition = function(name) { +function selection_transition(name) { var id, timing; @@ -4089,14 +4112,14 @@ var selection_transition = function(name) { } return new Transition(groups, this._parents, name, id); -}; +} selection.prototype.interrupt = selection_interrupt; selection.prototype.transition = selection_transition; var root$1 = [null]; -var active = function(node, name) { +function active(node, name) { var schedules = node.__transition, schedule$$1, i; @@ -4111,28 +4134,28 @@ var active = function(node, name) { } return null; -}; +} -var constant$4 = function(x) { +function constant$4(x) { return function() { return x; }; -}; +} -var BrushEvent = function(target, type, selection) { +function BrushEvent(target, type, selection) { this.target = target; this.type = type; this.selection = selection; -}; +} function nopropagation$1() { exports.event.stopImmediatePropagation(); } -var noevent$1 = function() { +function noevent$1() { exports.event.preventDefault(); exports.event.stopImmediatePropagation(); -}; +} var MODE_DRAG = {name: "drag"}; var MODE_SPACE = {name: "space"}; @@ -4255,9 +4278,9 @@ function brushY() { return brush$1(Y); } -var brush = function() { +function brush() { return brush$1(XY); -}; +} function brush$1(dim) { var extent = defaultExtent, @@ -4681,7 +4704,7 @@ function compareValue(compare) { }; } -var chord = function() { +function chord() { var padAngle = 0, sortGroups = null, sortSubgroups = null, @@ -4789,15 +4812,15 @@ var chord = function() { }; return chord; -}; +} var slice$2 = Array.prototype.slice; -var constant$5 = function(x) { +function constant$5(x) { return function() { return x; }; -}; +} var pi$2 = Math.PI; var tau$2 = 2 * pi$2; @@ -4948,7 +4971,7 @@ function defaultEndAngle(d) { return d.endAngle; } -var ribbon = function() { +function ribbon() { var source = defaultSource, target = defaultTarget, radius = defaultRadius, @@ -5005,11 +5028,11 @@ var ribbon = function() { }; ribbon.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), ribbon) : context; + return arguments.length ? (context = _ == null ? null : _, ribbon) : context; }; return ribbon; -}; +} var prefix = "$"; @@ -5085,7 +5108,7 @@ function map$1(object, f) { return map; } -var nest = function() { +function nest() { var keys = [], sortKeys = [], sortValues, @@ -5139,7 +5162,7 @@ var nest = function() { sortValues: function(order) { sortValues = order; return nest; }, rollup: function(f) { rollup = f; return nest; } }; -}; +} function createObject() { return {}; @@ -5193,23 +5216,23 @@ function set$2(object, f) { return set; } -var keys = function(map) { +function keys(map) { var keys = []; for (var key in map) keys.push(key); return keys; -}; +} -var values = function(map) { +function values(map) { var values = []; for (var key in map) values.push(map[key]); return values; -}; +} -var entries = function(map) { +function entries(map) { var entries = []; for (var key in map) entries.push({key: key, value: map[key]}); return entries; -}; +} var EOL = {}; var EOF = {}; @@ -5246,7 +5269,7 @@ function inferColumns(rows) { return columns; } -var dsv = function(delimiter) { +function dsv(delimiter) { var reFormat = new RegExp("[\"" + delimiter + "\n\r]"), DELIMITER = delimiter.charCodeAt(0); @@ -5255,7 +5278,7 @@ var dsv = function(delimiter) { if (convert) return convert(row, i - 1); columns = row, convert = f ? customConverter(row, f) : objectConverter(row); }); - rows.columns = columns; + rows.columns = columns || []; return rows; } @@ -5337,7 +5360,7 @@ var dsv = function(delimiter) { format: format, formatRows: formatRows }; -}; +} var csv = dsv(","); @@ -5353,7 +5376,7 @@ var tsvParseRows = tsv.parseRows; var tsvFormat = tsv.format; var tsvFormatRows = tsv.formatRows; -var center$1 = function(x, y) { +function center$1(x, y) { var nodes; if (x == null) x = 0; @@ -5388,23 +5411,23 @@ var center$1 = function(x, y) { }; return force; -}; +} -var constant$6 = function(x) { +function constant$6(x) { return function() { return x; }; -}; +} -var jiggle = function() { +function jiggle() { return (Math.random() - 0.5) * 1e-6; -}; +} -var tree_add = function(d) { +function tree_add(d) { var x = +this._x.call(null, d), y = +this._y.call(null, d); return add(this.cover(x, y), x, y, d); -}; +} function add(tree, x, y, d) { if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points @@ -5486,7 +5509,7 @@ function addAll(data) { return this; } -var tree_cover = function(x, y) { +function tree_cover(x, y) { if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points var x0 = this._x0, @@ -5543,31 +5566,31 @@ var tree_cover = function(x, y) { this._x1 = x1; this._y1 = y1; return this; -}; +} -var tree_data = function() { +function tree_data() { var data = []; this.visit(function(node) { if (!node.length) do data.push(node.data); while (node = node.next) }); return data; -}; +} -var tree_extent = function(_) { +function tree_extent(_) { return arguments.length ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; -}; +} -var Quad = function(node, x0, y0, x1, y1) { +function Quad(node, x0, y0, x1, y1) { this.node = node; this.x0 = x0; this.y0 = y0; this.x1 = x1; this.y1 = y1; -}; +} -var tree_find = function(x, y, radius) { +function tree_find(x, y, radius) { var data, x0 = this._x0, y0 = this._y0, @@ -5634,9 +5657,9 @@ var tree_find = function(x, y, radius) { } return data; -}; +} -var tree_remove = function(d) { +function tree_remove(d) { if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points var parent, @@ -5675,7 +5698,7 @@ var tree_remove = function(d) { if (next = node.next) delete node.next; // If there are multiple coincident points, remove just the point. - if (previous) return (next ? previous.next = next : delete previous.next), this; + if (previous) return next ? previous.next = next : delete previous.next, this; // If this is the root point, remove it. if (!parent) return this._root = next, this; @@ -5692,26 +5715,26 @@ var tree_remove = function(d) { } return this; -}; +} function removeAll(data) { for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); return this; } -var tree_root = function() { +function tree_root() { return this._root; -}; +} -var tree_size = function() { +function tree_size() { var size = 0; this.visit(function(node) { if (!node.length) do ++size; while (node = node.next) }); return size; -}; +} -var tree_visit = function(callback) { +function tree_visit(callback) { var quads = [], q, node = this._root, child, x0, y0, x1, y1; if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); while (q = quads.pop()) { @@ -5724,9 +5747,9 @@ var tree_visit = function(callback) { } } return this; -}; +} -var tree_visitAfter = function(callback) { +function tree_visitAfter(callback) { var quads = [], next = [], q; if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); while (q = quads.pop()) { @@ -5744,23 +5767,23 @@ var tree_visitAfter = function(callback) { callback(q.node, q.x0, q.y0, q.x1, q.y1); } return this; -}; +} function defaultX(d) { return d[0]; } -var tree_x = function(_) { +function tree_x(_) { return arguments.length ? (this._x = _, this) : this._x; -}; +} function defaultY(d) { return d[1]; } -var tree_y = function(_) { +function tree_y(_) { return arguments.length ? (this._y = _, this) : this._y; -}; +} function quadtree(nodes, x, y) { var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); @@ -5823,7 +5846,7 @@ treeProto.visitAfter = tree_visitAfter; treeProto.x = tree_x; treeProto.y = tree_y; -function x$1(d) { +function x(d) { return d.x + d.vx; } @@ -5831,7 +5854,7 @@ function y(d) { return d.y + d.vy; } -var collide = function(radius) { +function collide(radius) { var nodes, radii, strength = 1, @@ -5849,7 +5872,7 @@ var collide = function(radius) { ri2; for (var k = 0; k < iterations; ++k) { - tree = quadtree(nodes, x$1, y).visitAfter(prepare); + tree = quadtree(nodes, x, y).visitAfter(prepare); for (i = 0; i < n; ++i) { node = nodes[i]; ri = radii[node.index], ri2 = ri * ri; @@ -5916,7 +5939,7 @@ var collide = function(radius) { }; return force; -}; +} function index(d) { return d.index; @@ -5928,7 +5951,7 @@ function find(nodeById, nodeId) { return node; } -var link = function(links) { +function link(links) { var id = index, strength = defaultStrength, strengths, @@ -6029,9 +6052,9 @@ var link = function(links) { }; return force; -}; +} -function x$2(d) { +function x$1(d) { return d.x; } @@ -6042,7 +6065,7 @@ function y$1(d) { var initialRadius = 10; var initialAngle = Math.PI * (3 - Math.sqrt(5)); -var simulation = function(nodes) { +function simulation(nodes) { var simulation, alpha = 1, alphaMin = 0.001, @@ -6139,7 +6162,7 @@ var simulation = function(nodes) { }, force: function(name, _) { - return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); + return arguments.length > 1 ? (_ == null ? forces.remove(name) : forces.set(name, initializeForce(_)), simulation) : forces.get(name); }, find: function(x, y, radius) { @@ -6169,9 +6192,9 @@ var simulation = function(nodes) { return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); } }; -}; +} -var manyBody = function() { +function manyBody() { var nodes, node, alpha, @@ -6182,7 +6205,7 @@ var manyBody = function() { theta2 = 0.81; function force(_) { - var i, n = nodes.length, tree = quadtree(nodes, x$2, y$1).visitAfter(accumulate); + var i, n = nodes.length, tree = quadtree(nodes, x$1, y$1).visitAfter(accumulate); for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); } @@ -6194,17 +6217,17 @@ var manyBody = function() { } function accumulate(quad) { - var strength = 0, q, c, x, y, i; + var strength = 0, q, c, weight = 0, x, y, i; // For internal nodes, accumulate forces from child quadrants. if (quad.length) { for (x = y = i = 0; i < 4; ++i) { - if ((q = quad[i]) && (c = q.value)) { - strength += c, x += c * q.x, y += c * q.y; + if ((q = quad[i]) && (c = Math.abs(q.value))) { + strength += q.value, weight += c, x += c * q.x, y += c * q.y; } } - quad.x = x / strength; - quad.y = y / strength; + quad.x = x / weight; + quad.y = y / weight; } // For leaf nodes, accumulate forces from coincident quadrants. @@ -6279,9 +6302,65 @@ var manyBody = function() { }; return force; -}; +} + +function radial(radius, x, y) { + var nodes, + strength = constant$6(0.1), + strengths, + radiuses; + + if (typeof radius !== "function") radius = constant$6(+radius); + if (x == null) x = 0; + if (y == null) y = 0; + + function force(alpha) { + for (var i = 0, n = nodes.length; i < n; ++i) { + var node = nodes[i], + dx = node.x - x || 1e-6, + dy = node.y - y || 1e-6, + r = Math.sqrt(dx * dx + dy * dy), + k = (radiuses[i] - r) * strengths[i] * alpha / r; + node.vx += dx * k; + node.vy += dy * k; + } + } + + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + radiuses = new Array(n); + for (i = 0; i < n; ++i) { + radiuses[i] = +radius(nodes[i], i, nodes); + strengths[i] = isNaN(radiuses[i]) ? 0 : +strength(nodes[i], i, nodes); + } + } + + force.initialize = function(_) { + nodes = _, initialize(); + }; + + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + }; + + force.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : radius; + }; + + force.x = function(_) { + return arguments.length ? (x = +_, force) : x; + }; + + force.y = function(_) { + return arguments.length ? (y = +_, force) : y; + }; + + return force; +} -var x$3 = function(x) { +function x$2(x) { var strength = constant$6(0.1), nodes, strengths, @@ -6319,9 +6398,9 @@ var x$3 = function(x) { }; return force; -}; +} -var y$2 = function(y) { +function y$2(y) { var strength = constant$6(0.1), nodes, strengths, @@ -6359,12 +6438,12 @@ var y$2 = function(y) { }; return force; -}; +} // Computes the decimal coefficient and exponent of the specified number x with // significant digits p, where x is positive and p is in [1, 21] or undefined. // For example, formatDecimal(1.23) returns ["123", 0]. -var formatDecimal = function(x, p) { +function formatDecimal(x, p) { if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity var i, coefficient = x.slice(0, i); @@ -6374,13 +6453,13 @@ var formatDecimal = function(x, p) { coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, +x.slice(i + 1) ]; -}; +} -var exponent$1 = function(x) { +function exponent$1(x) { return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; -}; +} -var formatGroup = function(grouping, thousands) { +function formatGroup(grouping, thousands) { return function(value, width) { var i = value.length, t = [], @@ -6397,17 +6476,17 @@ var formatGroup = function(grouping, thousands) { return t.reverse().join(thousands); }; -}; +} -var formatNumerals = function(numerals) { +function formatNumerals(numerals) { return function(value) { return value.replace(/[0-9]/g, function(i) { return numerals[+i]; }); }; -}; +} -var formatDefault = function(x, p) { +function formatDefault(x, p) { x = x.toPrecision(p); out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) { @@ -6420,11 +6499,11 @@ var formatDefault = function(x, p) { } return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x; -}; +} var prefixExponent; -var formatPrefixAuto = function(x, p) { +function formatPrefixAuto(x, p) { var d = formatDecimal(x, p); if (!d) return x + ""; var coefficient = d[0], @@ -6435,9 +6514,9 @@ var formatPrefixAuto = function(x, p) { : i > n ? coefficient + new Array(i - n + 1).join("0") : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y! -}; +} -var formatRounded = function(x, p) { +function formatRounded(x, p) { var d = formatDecimal(x, p); if (!d) return x + ""; var coefficient = d[0], @@ -6445,7 +6524,7 @@ var formatRounded = function(x, p) { return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) : coefficient + new Array(exponent - coefficient.length + 2).join("0"); -}; +} var formatTypes = { "": formatDefault, @@ -6519,13 +6598,13 @@ FormatSpecifier.prototype.toString = function() { + this.type; }; -var identity$3 = function(x) { +function identity$3(x) { return x; -}; +} var prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; -var formatLocale = function(locale) { +function formatLocale(locale) { var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, currency = locale.currency, decimal = locale.decimal, @@ -6584,7 +6663,7 @@ var formatLocale = function(locale) { // Compute the prefix and suffix. valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; - valueSuffix = valueSuffix + (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + (valueNegative && sign === "(" ? ")" : ""); + valueSuffix = (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + valueSuffix + (valueNegative && sign === "(" ? ")" : ""); // Break the formatted value into the integer “value” part that can be // grouped, and fractional or exponential “suffix” part that is not. @@ -6642,9 +6721,9 @@ var formatLocale = function(locale) { format: newFormat, formatPrefix: formatPrefix }; -}; +} -var locale$1; +var locale; @@ -6656,24 +6735,24 @@ defaultLocale({ }); function defaultLocale(definition) { - locale$1 = formatLocale(definition); - exports.format = locale$1.format; - exports.formatPrefix = locale$1.formatPrefix; - return locale$1; + locale = formatLocale(definition); + exports.format = locale.format; + exports.formatPrefix = locale.formatPrefix; + return locale; } -var precisionFixed = function(step) { +function precisionFixed(step) { return Math.max(0, -exponent$1(Math.abs(step))); -}; +} -var precisionPrefix = function(step, value) { +function precisionPrefix(step, value) { return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step))); -}; +} -var precisionRound = function(step, max) { +function precisionRound(step, max) { step = Math.abs(step), max = Math.abs(max) - step; return Math.max(0, exponent$1(max) - exponent$1(step)) + 1; -}; +} // Adds floating point numbers with twice the normal precision. // Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and @@ -6682,9 +6761,9 @@ var precisionRound = function(step, max) { // Code adapted from GeographicLib by Charles F. F. Karney, // http://geographiclib.sourceforge.net/ -var adder = function() { +function adder() { return new Adder; -}; +} function Adder() { this.reset(); @@ -6816,13 +6895,13 @@ function streamPolygon(coordinates, stream) { stream.polygonEnd(); } -var geoStream = function(object, stream) { +function geoStream(object, stream) { if (object && streamObjectType.hasOwnProperty(object.type)) { streamObjectType[object.type](object, stream); } else { streamGeometry(object, stream); } -}; +} var areaRingSum = adder(); @@ -6888,11 +6967,11 @@ function areaPoint(lambda, phi) { lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; } -var area = function(object) { +function area(object) { areaSum.reset(); geoStream(object, areaStream); return areaSum * 2; -}; +} function spherical(cartesian) { return [atan2(cartesian[1], cartesian[0]), asin(cartesian[2])]; @@ -7064,7 +7143,7 @@ function rangeContains(range, x) { return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; } -var bounds = function(feature) { +function bounds(feature) { var i, n, a, b, merged, deltaMax, delta; phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); @@ -7099,7 +7178,7 @@ var bounds = function(feature) { return lambda0$1 === Infinity || phi0 === Infinity ? [[NaN, NaN], [NaN, NaN]] : [[lambda0$1, phi0], [lambda1, phi1]]; -}; +} var W0; var W1; @@ -7223,7 +7302,7 @@ function centroidRingPoint(lambda, phi) { centroidPointCartesian(x0, y0, z0); } -var centroid = function(object) { +function centroid(object) { W0 = W1 = X0 = Y0 = Z0 = X1 = Y1 = Z1 = @@ -7246,15 +7325,15 @@ var centroid = function(object) { } return [atan2(y, x) * degrees$1, asin(z / sqrt(m)) * degrees$1]; -}; +} -var constant$7 = function(x) { +function constant$7(x) { return function() { return x; }; -}; +} -var compose = function(a, b) { +function compose(a, b) { function compose(x, y) { return x = a(x, y), b(x[0], x[1]); @@ -7265,7 +7344,7 @@ var compose = function(a, b) { }; return compose; -}; +} function rotationIdentity(lambda, phi) { return [lambda > pi$3 ? lambda - tau$3 : lambda < -pi$3 ? lambda + tau$3 : lambda, phi]; @@ -7325,7 +7404,7 @@ function rotationPhiGamma(deltaPhi, deltaGamma) { return rotation; } -var rotation = function(rotate) { +function rotation(rotate) { rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); function forward(coordinates) { @@ -7339,7 +7418,7 @@ var rotation = function(rotate) { }; return forward; -}; +} // Generates a circle centered at [0°, 0°], with a given radius and precision. function circleStream(stream, radius, delta, direction, t0, t1) { @@ -7369,7 +7448,7 @@ function circleRadius(cosRadius, point) { return ((-point[2] < 0 ? -radius : radius) + tau$3 - epsilon$2) % tau$3; } -var circle = function() { +function circle() { var center = constant$7([0, 0]), radius = constant$7(90), precision = constant$7(6), @@ -7407,9 +7486,9 @@ var circle = function() { }; return circle; -}; +} -var clipBuffer = function() { +function clipBuffer() { var lines = [], line; return { @@ -7430,71 +7509,11 @@ var clipBuffer = function() { return result; } }; -}; - -var clipLine = function(a, b, x0, y0, x1, y1) { - var ax = a[0], - ay = a[1], - bx = b[0], - by = b[1], - t0 = 0, - t1 = 1, - dx = bx - ax, - dy = by - ay, - r; - - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; - if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; - return true; -}; +} -var pointEqual = function(a, b) { +function pointEqual(a, b) { return abs(a[0] - b[0]) < epsilon$2 && abs(a[1] - b[1]) < epsilon$2; -}; +} function Intersection(point, points, other, entry) { this.x = point; @@ -7508,7 +7527,7 @@ function Intersection(point, points, other, entry) { // A generalized polygon clipping algorithm: given a polygon that has been cut // into its visible line segments, and rejoins the segments by interpolating // along the clip edge. -var clipPolygon = function(segments, compareIntersection, startInside, interpolate, stream) { +function clipRejoin(segments, compareIntersection, startInside, interpolate, stream) { var subject = [], clip = [], i, @@ -7579,7 +7598,7 @@ var clipPolygon = function(segments, compareIntersection, startInside, interpola } while (!current.v); stream.lineEnd(); } -}; +} function link$1(array) { if (!(n = array.length)) return; @@ -7596,209 +7615,26 @@ function link$1(array) { b.p = a; } -var clipMax = 1e9; -var clipMin = -clipMax; +var sum$1 = adder(); -// TODO Use d3-polygon’s polygonContains here for the ring check? -// TODO Eliminate duplicate buffering in clipBuffer and polygon.push? +function polygonContains(polygon, point) { + var lambda = point[0], + phi = point[1], + normal = [sin$1(lambda), -cos$1(lambda), 0], + angle = 0, + winding = 0; -function clipExtent(x0, y0, x1, y1) { + sum$1.reset(); - function visible(x, y) { - return x0 <= x && x <= x1 && y0 <= y && y <= y1; - } - - function interpolate(from, to, direction, stream) { - var a = 0, a1 = 0; - if (from == null - || (a = corner(from, direction)) !== (a1 = corner(to, direction)) - || comparePoint(from, to) < 0 ^ direction > 0) { - do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); - while ((a = (a + direction + 4) % 4) !== a1); - } else { - stream.point(to[0], to[1]); - } - } - - function corner(p, direction) { - return abs(p[0] - x0) < epsilon$2 ? direction > 0 ? 0 : 3 - : abs(p[0] - x1) < epsilon$2 ? direction > 0 ? 2 : 1 - : abs(p[1] - y0) < epsilon$2 ? direction > 0 ? 1 : 0 - : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon - } - - function compareIntersection(a, b) { - return comparePoint(a.x, b.x); - } - - function comparePoint(a, b) { - var ca = corner(a, 1), - cb = corner(b, 1); - return ca !== cb ? ca - cb - : ca === 0 ? b[1] - a[1] - : ca === 1 ? a[0] - b[0] - : ca === 2 ? a[1] - b[1] - : b[0] - a[0]; - } - - return function(stream) { - var activeStream = stream, - bufferStream = clipBuffer(), - segments, - polygon, - ring, - x__, y__, v__, // first point - x_, y_, v_, // previous point - first, - clean; - - var clipStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: polygonStart, - polygonEnd: polygonEnd - }; - - function point(x, y) { - if (visible(x, y)) activeStream.point(x, y); - } - - function polygonInside() { - var winding = 0; - - for (var i = 0, n = polygon.length; i < n; ++i) { - for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { - a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; - if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } - else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } - } - } - - return winding; - } - - // Buffer geometry within a polygon and then clip it en masse. - function polygonStart() { - activeStream = bufferStream, segments = [], polygon = [], clean = true; - } - - function polygonEnd() { - var startInside = polygonInside(), - cleanInside = clean && startInside, - visible = (segments = merge(segments)).length; - if (cleanInside || visible) { - stream.polygonStart(); - if (cleanInside) { - stream.lineStart(); - interpolate(null, null, 1, stream); - stream.lineEnd(); - } - if (visible) { - clipPolygon(segments, compareIntersection, startInside, interpolate, stream); - } - stream.polygonEnd(); - } - activeStream = stream, segments = polygon = ring = null; - } - - function lineStart() { - clipStream.point = linePoint; - if (polygon) polygon.push(ring = []); - first = true; - v_ = false; - x_ = y_ = NaN; - } - - // TODO rather than special-case polygons, simply handle them separately. - // Ideally, coincident intersection points should be jittered to avoid - // clipping issues. - function lineEnd() { - if (segments) { - linePoint(x__, y__); - if (v__ && v_) bufferStream.rejoin(); - segments.push(bufferStream.result()); - } - clipStream.point = point; - if (v_) activeStream.lineEnd(); - } - - function linePoint(x, y) { - var v = visible(x, y); - if (polygon) ring.push([x, y]); - if (first) { - x__ = x, y__ = y, v__ = v; - first = false; - if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - } - } else { - if (v && v_) activeStream.point(x, y); - else { - var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], - b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; - if (clipLine(a, b, x0, y0, x1, y1)) { - if (!v_) { - activeStream.lineStart(); - activeStream.point(a[0], a[1]); - } - activeStream.point(b[0], b[1]); - if (!v) activeStream.lineEnd(); - clean = false; - } else if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - clean = false; - } - } - } - x_ = x, y_ = y, v_ = v; - } - - return clipStream; - }; -} - -var extent$1 = function() { - var x0 = 0, - y0 = 0, - x1 = 960, - y1 = 500, - cache, - cacheStream, - clip; - - return clip = { - stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = clipExtent(x0, y0, x1, y1)(cacheStream = stream); - }, - extent: function(_) { - return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; - } - }; -}; - -var sum$1 = adder(); - -var polygonContains = function(polygon, point) { - var lambda = point[0], - phi = point[1], - normal = [sin$1(lambda), -cos$1(lambda), 0], - angle = 0, - winding = 0; - - sum$1.reset(); - - for (var i = 0, n = polygon.length; i < n; ++i) { - if (!(m = (ring = polygon[i]).length)) continue; - var ring, - m, - point0 = ring[m - 1], - lambda0 = point0[0], - phi0 = point0[1] / 2 + quarterPi, - sinPhi0 = sin$1(phi0), - cosPhi0 = cos$1(phi0); + for (var i = 0, n = polygon.length; i < n; ++i) { + if (!(m = (ring = polygon[i]).length)) continue; + var ring, + m, + point0 = ring[m - 1], + lambda0 = point0[0], + phi0 = point0[1] / 2 + quarterPi, + sinPhi0 = sin$1(phi0), + cosPhi0 = cos$1(phi0); for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { var point1 = ring[j], @@ -7842,1053 +7678,1293 @@ var polygonContains = function(polygon, point) { // same side as the South pole. return (angle < -epsilon$2 || angle < epsilon$2 && sum$1 < -epsilon$2) ^ (winding & 1); -}; +} -var lengthSum = adder(); -var lambda0$2; -var sinPhi0$1; -var cosPhi0$1; +function clip(pointVisible, clipLine, interpolate, start) { + return function(sink) { + var line = clipLine(sink), + ringBuffer = clipBuffer(), + ringSink = clipLine(ringBuffer), + polygonStarted = false, + polygon, + segments, + ring; -var lengthStream = { - sphere: noop$1, - point: noop$1, - lineStart: lengthLineStart, - lineEnd: noop$1, - polygonStart: noop$1, - polygonEnd: noop$1 -}; + var clip = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + clip.point = pointRing; + clip.lineStart = ringStart; + clip.lineEnd = ringEnd; + segments = []; + polygon = []; + }, + polygonEnd: function() { + clip.point = point; + clip.lineStart = lineStart; + clip.lineEnd = lineEnd; + segments = merge(segments); + var startInside = polygonContains(polygon, start); + if (segments.length) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + clipRejoin(segments, compareIntersection, startInside, interpolate, sink); + } else if (startInside) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); + } + if (polygonStarted) sink.polygonEnd(), polygonStarted = false; + segments = polygon = null; + }, + sphere: function() { + sink.polygonStart(); + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); + sink.polygonEnd(); + } + }; -function lengthLineStart() { - lengthStream.point = lengthPointFirst; - lengthStream.lineEnd = lengthLineEnd; -} + function point(lambda, phi) { + if (pointVisible(lambda, phi)) sink.point(lambda, phi); + } -function lengthLineEnd() { - lengthStream.point = lengthStream.lineEnd = noop$1; -} + function pointLine(lambda, phi) { + line.point(lambda, phi); + } -function lengthPointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi); - lengthStream.point = lengthPoint; -} + function lineStart() { + clip.point = pointLine; + line.lineStart(); + } -function lengthPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var sinPhi = sin$1(phi), - cosPhi = cos$1(phi), - delta = abs(lambda - lambda0$2), - cosDelta = cos$1(delta), - sinDelta = sin$1(delta), - x = cosPhi * sinDelta, - y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, - z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; - lengthSum.add(atan2(sqrt(x * x + y * y), z)); - lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; -} + function lineEnd() { + clip.point = point; + line.lineEnd(); + } -var length$1 = function(object) { - lengthSum.reset(); - geoStream(object, lengthStream); - return +lengthSum; -}; + function pointRing(lambda, phi) { + ring.push([lambda, phi]); + ringSink.point(lambda, phi); + } -var coordinates = [null, null]; -var object$1 = {type: "LineString", coordinates: coordinates}; + function ringStart() { + ringSink.lineStart(); + ring = []; + } -var distance = function(a, b) { - coordinates[0] = a; - coordinates[1] = b; - return length$1(object$1); -}; + function ringEnd() { + pointRing(ring[0][0], ring[0][1]); + ringSink.lineEnd(); -var containsObjectType = { - Feature: function(object, point) { - return containsGeometry(object.geometry, point); - }, - FeatureCollection: function(object, point) { - var features = object.features, i = -1, n = features.length; - while (++i < n) if (containsGeometry(features[i].geometry, point)) return true; - return false; - } -}; + var clean = ringSink.clean(), + ringSegments = ringBuffer.result(), + i, n = ringSegments.length, m, + segment, + point; -var containsGeometryType = { - Sphere: function() { - return true; - }, - Point: function(object, point) { - return containsPoint(object.coordinates, point); - }, - MultiPoint: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsPoint(coordinates[i], point)) return true; - return false; - }, - LineString: function(object, point) { - return containsLine(object.coordinates, point); - }, - MultiLineString: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsLine(coordinates[i], point)) return true; - return false; - }, - Polygon: function(object, point) { - return containsPolygon(object.coordinates, point); - }, - MultiPolygon: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsPolygon(coordinates[i], point)) return true; - return false; - }, - GeometryCollection: function(object, point) { - var geometries = object.geometries, i = -1, n = geometries.length; - while (++i < n) if (containsGeometry(geometries[i], point)) return true; - return false; - } -}; + ring.pop(); + polygon.push(ring); + ring = null; -function containsGeometry(geometry, point) { - return geometry && containsGeometryType.hasOwnProperty(geometry.type) - ? containsGeometryType[geometry.type](geometry, point) - : false; -} + if (!n) return; -function containsPoint(coordinates, point) { - return distance(coordinates, point) === 0; -} + // No intersections. + if (clean & 1) { + segment = ringSegments[0]; + if ((m = segment.length - 1) > 0) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); + sink.lineEnd(); + } + return; + } -function containsLine(coordinates, point) { - var ab = distance(coordinates[0], coordinates[1]), - ao = distance(coordinates[0], point), - ob = distance(point, coordinates[1]); - return ao + ob <= ab + epsilon$2; -} + // Rejoin connected segments. + // TODO reuse ringBuffer.rejoin()? + if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); -function containsPolygon(coordinates, point) { - return !!polygonContains(coordinates.map(ringRadians), pointRadians(point)); + segments.push(ringSegments.filter(validSegment)); + } + + return clip; + }; } -function ringRadians(ring) { - return ring = ring.map(pointRadians), ring.pop(), ring; +function validSegment(segment) { + return segment.length > 1; } -function pointRadians(point) { - return [point[0] * radians, point[1] * radians]; +// Intersections are sorted along the clip edge. For both antimeridian cutting +// and circle clipping, the same comparison is used. +function compareIntersection(a, b) { + return ((a = a.x)[0] < 0 ? a[1] - halfPi$2 - epsilon$2 : halfPi$2 - a[1]) + - ((b = b.x)[0] < 0 ? b[1] - halfPi$2 - epsilon$2 : halfPi$2 - b[1]); } -var contains = function(object, point) { - return (object && containsObjectType.hasOwnProperty(object.type) - ? containsObjectType[object.type] - : containsGeometry)(object, point); -}; +var clipAntimeridian = clip( + function() { return true; }, + clipAntimeridianLine, + clipAntimeridianInterpolate, + [-pi$3, -halfPi$2] +); -function graticuleX(y0, y1, dy) { - var y = sequence(y0, y1 - epsilon$2, dy).concat(y1); - return function(x) { return y.map(function(y) { return [x, y]; }); }; +// Takes a line and cuts into visible segments. Return values: 0 - there were +// intersections or the line was empty; 1 - no intersections; 2 - there were +// intersections, and the first and last segments should be rejoined. +function clipAntimeridianLine(stream) { + var lambda0 = NaN, + phi0 = NaN, + sign0 = NaN, + clean; // no intersections + + return { + lineStart: function() { + stream.lineStart(); + clean = 1; + }, + point: function(lambda1, phi1) { + var sign1 = lambda1 > 0 ? pi$3 : -pi$3, + delta = abs(lambda1 - lambda0); + if (abs(delta - pi$3) < epsilon$2) { // line crosses a pole + stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$2 : -halfPi$2); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + stream.point(lambda1, phi0); + clean = 0; + } else if (sign0 !== sign1 && delta >= pi$3) { // line crosses antimeridian + if (abs(lambda0 - sign0) < epsilon$2) lambda0 -= sign0 * epsilon$2; // handle degeneracies + if (abs(lambda1 - sign1) < epsilon$2) lambda1 -= sign1 * epsilon$2; + phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + clean = 0; + } + stream.point(lambda0 = lambda1, phi0 = phi1); + sign0 = sign1; + }, + lineEnd: function() { + stream.lineEnd(); + lambda0 = phi0 = NaN; + }, + clean: function() { + return 2 - clean; // if intersections, rejoin first and last segments + } + }; } -function graticuleY(x0, x1, dx) { - var x = sequence(x0, x1 - epsilon$2, dx).concat(x1); - return function(y) { return x.map(function(x) { return [x, y]; }); }; +function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { + var cosPhi0, + cosPhi1, + sinLambda0Lambda1 = sin$1(lambda0 - lambda1); + return abs(sinLambda0Lambda1) > epsilon$2 + ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) + - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) + / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) + : (phi0 + phi1) / 2; } -function graticule() { - var x1, x0, X1, X0, - y1, y0, Y1, Y0, - dx = 10, dy = dx, DX = 90, DY = 360, - x, y, X, Y, - precision = 2.5; +function clipAntimeridianInterpolate(from, to, direction, stream) { + var phi; + if (from == null) { + phi = direction * halfPi$2; + stream.point(-pi$3, phi); + stream.point(0, phi); + stream.point(pi$3, phi); + stream.point(pi$3, 0); + stream.point(pi$3, -phi); + stream.point(0, -phi); + stream.point(-pi$3, -phi); + stream.point(-pi$3, 0); + stream.point(-pi$3, phi); + } else if (abs(from[0] - to[0]) > epsilon$2) { + var lambda = from[0] < to[0] ? pi$3 : -pi$3; + phi = direction * lambda / 2; + stream.point(-lambda, phi); + stream.point(0, phi); + stream.point(lambda, phi); + } else { + stream.point(to[0], to[1]); + } +} - function graticule() { - return {type: "MultiLineString", coordinates: lines()}; +function clipCircle(radius) { + var cr = cos$1(radius), + delta = 6 * radians, + smallRadius = cr > 0, + notHemisphere = abs(cr) > epsilon$2; // TODO optimise for this common case + + function interpolate(from, to, direction, stream) { + circleStream(stream, radius, delta, direction, from, to); } - function lines() { - return sequence(ceil(X0 / DX) * DX, X1, DX).map(X) - .concat(sequence(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) - .concat(sequence(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$2; }).map(x)) - .concat(sequence(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$2; }).map(y)); + function visible(lambda, phi) { + return cos$1(lambda) * cos$1(phi) > cr; } - graticule.lines = function() { - return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); - }; - - graticule.outline = function() { + // Takes a line and cuts into visible segments. Return values used for polygon + // clipping: 0 - there were intersections or the line was empty; 1 - no + // intersections 2 - there were intersections, and the first and last segments + // should be rejoined. + function clipLine(stream) { + var point0, // previous point + c0, // code for previous point + v0, // visibility of previous point + v00, // visibility of first point + clean; // no intersections return { - type: "Polygon", - coordinates: [ - X(X0).concat( - Y(Y1).slice(1), - X(X1).reverse().slice(1), - Y(Y0).reverse().slice(1)) - ] + lineStart: function() { + v00 = v0 = false; + clean = 1; + }, + point: function(lambda, phi) { + var point1 = [lambda, phi], + point2, + v = visible(lambda, phi), + c = smallRadius + ? v ? 0 : code(lambda, phi) + : v ? code(lambda + (lambda < 0 ? pi$3 : -pi$3), phi) : 0; + if (!point0 && (v00 = v0 = v)) stream.lineStart(); + // Handle degeneracies. + // TODO ignore if not clipping polygons. + if (v !== v0) { + point2 = intersect(point0, point1); + if (!point2 || pointEqual(point0, point2) || pointEqual(point1, point2)) { + point1[0] += epsilon$2; + point1[1] += epsilon$2; + v = visible(point1[0], point1[1]); + } + } + if (v !== v0) { + clean = 0; + if (v) { + // outside going in + stream.lineStart(); + point2 = intersect(point1, point0); + stream.point(point2[0], point2[1]); + } else { + // inside going out + point2 = intersect(point0, point1); + stream.point(point2[0], point2[1]); + stream.lineEnd(); + } + point0 = point2; + } else if (notHemisphere && point0 && smallRadius ^ v) { + var t; + // If the codes for two points are different, or are both zero, + // and there this segment intersects with the small circle. + if (!(c & c0) && (t = intersect(point1, point0, true))) { + clean = 0; + if (smallRadius) { + stream.lineStart(); + stream.point(t[0][0], t[0][1]); + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); + } else { + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); + stream.lineStart(); + stream.point(t[0][0], t[0][1]); + } + } + } + if (v && (!point0 || !pointEqual(point0, point1))) { + stream.point(point1[0], point1[1]); + } + point0 = point1, v0 = v, c0 = c; + }, + lineEnd: function() { + if (v0) stream.lineEnd(); + point0 = null; + }, + // Rejoin first and last segments if there were intersections and the first + // and last points were visible. + clean: function() { + return clean | ((v00 && v0) << 1); + } }; - }; + } - graticule.extent = function(_) { - if (!arguments.length) return graticule.extentMinor(); - return graticule.extentMajor(_).extentMinor(_); - }; + // Intersects the great circle between a and b with the clip circle. + function intersect(a, b, two) { + var pa = cartesian(a), + pb = cartesian(b); - graticule.extentMajor = function(_) { - if (!arguments.length) return [[X0, Y0], [X1, Y1]]; - X0 = +_[0][0], X1 = +_[1][0]; - Y0 = +_[0][1], Y1 = +_[1][1]; - if (X0 > X1) _ = X0, X0 = X1, X1 = _; - if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; - return graticule.precision(precision); - }; + // We have two planes, n1.p = d1 and n2.p = d2. + // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). + var n1 = [1, 0, 0], // normal + n2 = cartesianCross(pa, pb), + n2n2 = cartesianDot(n2, n2), + n1n2 = n2[0], // cartesianDot(n1, n2), + determinant = n2n2 - n1n2 * n1n2; - graticule.extentMinor = function(_) { - if (!arguments.length) return [[x0, y0], [x1, y1]]; - x0 = +_[0][0], x1 = +_[1][0]; - y0 = +_[0][1], y1 = +_[1][1]; - if (x0 > x1) _ = x0, x0 = x1, x1 = _; - if (y0 > y1) _ = y0, y0 = y1, y1 = _; - return graticule.precision(precision); - }; + // Two polar points. + if (!determinant) return !two && a; - graticule.step = function(_) { - if (!arguments.length) return graticule.stepMinor(); - return graticule.stepMajor(_).stepMinor(_); - }; + var c1 = cr * n2n2 / determinant, + c2 = -cr * n1n2 / determinant, + n1xn2 = cartesianCross(n1, n2), + A = cartesianScale(n1, c1), + B = cartesianScale(n2, c2); + cartesianAddInPlace(A, B); - graticule.stepMajor = function(_) { - if (!arguments.length) return [DX, DY]; - DX = +_[0], DY = +_[1]; - return graticule; - }; + // Solve |p(t)|^2 = 1. + var u = n1xn2, + w = cartesianDot(A, u), + uu = cartesianDot(u, u), + t2 = w * w - uu * (cartesianDot(A, A) - 1); - graticule.stepMinor = function(_) { - if (!arguments.length) return [dx, dy]; - dx = +_[0], dy = +_[1]; - return graticule; - }; + if (t2 < 0) return; - graticule.precision = function(_) { - if (!arguments.length) return precision; - precision = +_; - x = graticuleX(y0, y1, 90); - y = graticuleY(x0, x1, precision); - X = graticuleX(Y0, Y1, 90); - Y = graticuleY(X0, X1, precision); - return graticule; - }; + var t = sqrt(t2), + q = cartesianScale(u, (-w - t) / uu); + cartesianAddInPlace(q, A); + q = spherical(q); - return graticule - .extentMajor([[-180, -90 + epsilon$2], [180, 90 - epsilon$2]]) - .extentMinor([[-180, -80 - epsilon$2], [180, 80 + epsilon$2]]); + if (!two) return q; + + // Two intersection points. + var lambda0 = a[0], + lambda1 = b[0], + phi0 = a[1], + phi1 = b[1], + z; + + if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; + + var delta = lambda1 - lambda0, + polar = abs(delta - pi$3) < epsilon$2, + meridian = polar || delta < epsilon$2; + + if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; + + // Check that the first point is between a and b. + if (meridian + ? polar + ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$2 ? phi0 : phi1) + : phi0 <= q[1] && q[1] <= phi1 + : delta > pi$3 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { + var q1 = cartesianScale(u, (-w + t) / uu); + cartesianAddInPlace(q1, A); + return [q, spherical(q1)]; + } + } + + // Generates a 4-bit vector representing the location of a point relative to + // the small circle's bounding box. + function code(lambda, phi) { + var r = smallRadius ? radius : pi$3 - radius, + code = 0; + if (lambda < -r) code |= 1; // left + else if (lambda > r) code |= 2; // right + if (phi < -r) code |= 4; // below + else if (phi > r) code |= 8; // above + return code; + } + + return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$3, radius - pi$3]); } -function graticule10() { - return graticule()(); -} +function clipLine(a, b, x0, y0, x1, y1) { + var ax = a[0], + ay = a[1], + bx = b[0], + by = b[1], + t0 = 0, + t1 = 1, + dx = bx - ax, + dy = by - ay, + r; + + r = x0 - ax; + if (!dx && r > 0) return; + r /= dx; + if (dx < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dx > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = x1 - ax; + if (!dx && r < 0) return; + r /= dx; + if (dx < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dx > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + r = y0 - ay; + if (!dy && r > 0) return; + r /= dy; + if (dy < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dy > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = y1 - ay; + if (!dy && r < 0) return; + r /= dy; + if (dy < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dy > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; + if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; + return true; +} + +var clipMax = 1e9; +var clipMin = -clipMax; + +// TODO Use d3-polygon’s polygonContains here for the ring check? +// TODO Eliminate duplicate buffering in clipBuffer and polygon.push? + +function clipRectangle(x0, y0, x1, y1) { + + function visible(x, y) { + return x0 <= x && x <= x1 && y0 <= y && y <= y1; + } + + function interpolate(from, to, direction, stream) { + var a = 0, a1 = 0; + if (from == null + || (a = corner(from, direction)) !== (a1 = corner(to, direction)) + || comparePoint(from, to) < 0 ^ direction > 0) { + do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); + while ((a = (a + direction + 4) % 4) !== a1); + } else { + stream.point(to[0], to[1]); + } + } + + function corner(p, direction) { + return abs(p[0] - x0) < epsilon$2 ? direction > 0 ? 0 : 3 + : abs(p[0] - x1) < epsilon$2 ? direction > 0 ? 2 : 1 + : abs(p[1] - y0) < epsilon$2 ? direction > 0 ? 1 : 0 + : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon + } + + function compareIntersection(a, b) { + return comparePoint(a.x, b.x); + } + + function comparePoint(a, b) { + var ca = corner(a, 1), + cb = corner(b, 1); + return ca !== cb ? ca - cb + : ca === 0 ? b[1] - a[1] + : ca === 1 ? a[0] - b[0] + : ca === 2 ? a[1] - b[1] + : b[0] - a[0]; + } + + return function(stream) { + var activeStream = stream, + bufferStream = clipBuffer(), + segments, + polygon, + ring, + x__, y__, v__, // first point + x_, y_, v_, // previous point + first, + clean; + + var clipStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: polygonStart, + polygonEnd: polygonEnd + }; + + function point(x, y) { + if (visible(x, y)) activeStream.point(x, y); + } + + function polygonInside() { + var winding = 0; + + for (var i = 0, n = polygon.length; i < n; ++i) { + for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { + a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; + if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } + else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } + } + } + + return winding; + } + + // Buffer geometry within a polygon and then clip it en masse. + function polygonStart() { + activeStream = bufferStream, segments = [], polygon = [], clean = true; + } + + function polygonEnd() { + var startInside = polygonInside(), + cleanInside = clean && startInside, + visible = (segments = merge(segments)).length; + if (cleanInside || visible) { + stream.polygonStart(); + if (cleanInside) { + stream.lineStart(); + interpolate(null, null, 1, stream); + stream.lineEnd(); + } + if (visible) { + clipRejoin(segments, compareIntersection, startInside, interpolate, stream); + } + stream.polygonEnd(); + } + activeStream = stream, segments = polygon = ring = null; + } + + function lineStart() { + clipStream.point = linePoint; + if (polygon) polygon.push(ring = []); + first = true; + v_ = false; + x_ = y_ = NaN; + } + + // TODO rather than special-case polygons, simply handle them separately. + // Ideally, coincident intersection points should be jittered to avoid + // clipping issues. + function lineEnd() { + if (segments) { + linePoint(x__, y__); + if (v__ && v_) bufferStream.rejoin(); + segments.push(bufferStream.result()); + } + clipStream.point = point; + if (v_) activeStream.lineEnd(); + } -var interpolate$1 = function(a, b) { - var x0 = a[0] * radians, - y0 = a[1] * radians, - x1 = b[0] * radians, - y1 = b[1] * radians, - cy0 = cos$1(y0), - sy0 = sin$1(y0), - cy1 = cos$1(y1), - sy1 = sin$1(y1), - kx0 = cy0 * cos$1(x0), - ky0 = cy0 * sin$1(x0), - kx1 = cy1 * cos$1(x1), - ky1 = cy1 * sin$1(x1), - d = 2 * asin(sqrt(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), - k = sin$1(d); + function linePoint(x, y) { + var v = visible(x, y); + if (polygon) ring.push([x, y]); + if (first) { + x__ = x, y__ = y, v__ = v; + first = false; + if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + } + } else { + if (v && v_) activeStream.point(x, y); + else { + var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], + b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; + if (clipLine(a, b, x0, y0, x1, y1)) { + if (!v_) { + activeStream.lineStart(); + activeStream.point(a[0], a[1]); + } + activeStream.point(b[0], b[1]); + if (!v) activeStream.lineEnd(); + clean = false; + } else if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + clean = false; + } + } + } + x_ = x, y_ = y, v_ = v; + } - var interpolate = d ? function(t) { - var B = sin$1(t *= d) / k, - A = sin$1(d - t) / k, - x = A * kx0 + B * kx1, - y = A * ky0 + B * ky1, - z = A * sy0 + B * sy1; - return [ - atan2(y, x) * degrees$1, - atan2(z, sqrt(x * x + y * y)) * degrees$1 - ]; - } : function() { - return [x0 * degrees$1, y0 * degrees$1]; + return clipStream; }; +} - interpolate.distance = d; - - return interpolate; -}; +function extent$1() { + var x0 = 0, + y0 = 0, + x1 = 960, + y1 = 500, + cache, + cacheStream, + clip; -var identity$4 = function(x) { - return x; -}; + return clip = { + stream: function(stream) { + return cache && cacheStream === stream ? cache : cache = clipRectangle(x0, y0, x1, y1)(cacheStream = stream); + }, + extent: function(_) { + return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; + } + }; +} -var areaSum$1 = adder(); -var areaRingSum$1 = adder(); -var x00; -var y00; -var x0$1; -var y0$1; +var lengthSum = adder(); +var lambda0$2; +var sinPhi0$1; +var cosPhi0$1; -var areaStream$1 = { +var lengthStream = { + sphere: noop$1, point: noop$1, - lineStart: noop$1, + lineStart: lengthLineStart, lineEnd: noop$1, - polygonStart: function() { - areaStream$1.lineStart = areaRingStart$1; - areaStream$1.lineEnd = areaRingEnd$1; - }, - polygonEnd: function() { - areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$1; - areaSum$1.add(abs(areaRingSum$1)); - areaRingSum$1.reset(); - }, - result: function() { - var area = areaSum$1 / 2; - areaSum$1.reset(); - return area; - } + polygonStart: noop$1, + polygonEnd: noop$1 }; -function areaRingStart$1() { - areaStream$1.point = areaPointFirst$1; +function lengthLineStart() { + lengthStream.point = lengthPointFirst; + lengthStream.lineEnd = lengthLineEnd; } -function areaPointFirst$1(x, y) { - areaStream$1.point = areaPoint$1; - x00 = x0$1 = x, y00 = y0$1 = y; +function lengthLineEnd() { + lengthStream.point = lengthStream.lineEnd = noop$1; } -function areaPoint$1(x, y) { - areaRingSum$1.add(y0$1 * x - x0$1 * y); - x0$1 = x, y0$1 = y; +function lengthPointFirst(lambda, phi) { + lambda *= radians, phi *= radians; + lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi); + lengthStream.point = lengthPoint; } -function areaRingEnd$1() { - areaPoint$1(x00, y00); +function lengthPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var sinPhi = sin$1(phi), + cosPhi = cos$1(phi), + delta = abs(lambda - lambda0$2), + cosDelta = cos$1(delta), + sinDelta = sin$1(delta), + x = cosPhi * sinDelta, + y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, + z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; + lengthSum.add(atan2(sqrt(x * x + y * y), z)); + lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; } -var x0$2 = Infinity; -var y0$2 = x0$2; -var x1 = -x0$2; -var y1 = x1; +function length$1(object) { + lengthSum.reset(); + geoStream(object, lengthStream); + return +lengthSum; +} -var boundsStream$1 = { - point: boundsPoint$1, - lineStart: noop$1, - lineEnd: noop$1, - polygonStart: noop$1, - polygonEnd: noop$1, - result: function() { - var bounds = [[x0$2, y0$2], [x1, y1]]; - x1 = y1 = -(y0$2 = x0$2 = Infinity); - return bounds; - } -}; +var coordinates = [null, null]; +var object$1 = {type: "LineString", coordinates: coordinates}; -function boundsPoint$1(x, y) { - if (x < x0$2) x0$2 = x; - if (x > x1) x1 = x; - if (y < y0$2) y0$2 = y; - if (y > y1) y1 = y; +function distance(a, b) { + coordinates[0] = a; + coordinates[1] = b; + return length$1(object$1); } -// TODO Enforce positive area for exterior, negative area for interior? - -var X0$1 = 0; -var Y0$1 = 0; -var Z0$1 = 0; -var X1$1 = 0; -var Y1$1 = 0; -var Z1$1 = 0; -var X2$1 = 0; -var Y2$1 = 0; -var Z2$1 = 0; -var x00$1; -var y00$1; -var x0$3; -var y0$3; +var containsObjectType = { + Feature: function(object, point) { + return containsGeometry(object.geometry, point); + }, + FeatureCollection: function(object, point) { + var features = object.features, i = -1, n = features.length; + while (++i < n) if (containsGeometry(features[i].geometry, point)) return true; + return false; + } +}; -var centroidStream$1 = { - point: centroidPoint$1, - lineStart: centroidLineStart$1, - lineEnd: centroidLineEnd$1, - polygonStart: function() { - centroidStream$1.lineStart = centroidRingStart$1; - centroidStream$1.lineEnd = centroidRingEnd$1; +var containsGeometryType = { + Sphere: function() { + return true; }, - polygonEnd: function() { - centroidStream$1.point = centroidPoint$1; - centroidStream$1.lineStart = centroidLineStart$1; - centroidStream$1.lineEnd = centroidLineEnd$1; + Point: function(object, point) { + return containsPoint(object.coordinates, point); }, - result: function() { - var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] - : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] - : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] - : [NaN, NaN]; - X0$1 = Y0$1 = Z0$1 = - X1$1 = Y1$1 = Z1$1 = - X2$1 = Y2$1 = Z2$1 = 0; - return centroid; + MultiPoint: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsPoint(coordinates[i], point)) return true; + return false; + }, + LineString: function(object, point) { + return containsLine(object.coordinates, point); + }, + MultiLineString: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsLine(coordinates[i], point)) return true; + return false; + }, + Polygon: function(object, point) { + return containsPolygon(object.coordinates, point); + }, + MultiPolygon: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsPolygon(coordinates[i], point)) return true; + return false; + }, + GeometryCollection: function(object, point) { + var geometries = object.geometries, i = -1, n = geometries.length; + while (++i < n) if (containsGeometry(geometries[i], point)) return true; + return false; } }; -function centroidPoint$1(x, y) { - X0$1 += x; - Y0$1 += y; - ++Z0$1; -} - -function centroidLineStart$1() { - centroidStream$1.point = centroidPointFirstLine; +function containsGeometry(geometry, point) { + return geometry && containsGeometryType.hasOwnProperty(geometry.type) + ? containsGeometryType[geometry.type](geometry, point) + : false; } -function centroidPointFirstLine(x, y) { - centroidStream$1.point = centroidPointLine; - centroidPoint$1(x0$3 = x, y0$3 = y); +function containsPoint(coordinates, point) { + return distance(coordinates, point) === 0; } -function centroidPointLine(x, y) { - var dx = x - x0$3, dy = y - y0$3, z = sqrt(dx * dx + dy * dy); - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; - centroidPoint$1(x0$3 = x, y0$3 = y); +function containsLine(coordinates, point) { + var ab = distance(coordinates[0], coordinates[1]), + ao = distance(coordinates[0], point), + ob = distance(point, coordinates[1]); + return ao + ob <= ab + epsilon$2; } -function centroidLineEnd$1() { - centroidStream$1.point = centroidPoint$1; +function containsPolygon(coordinates, point) { + return !!polygonContains(coordinates.map(ringRadians), pointRadians(point)); } -function centroidRingStart$1() { - centroidStream$1.point = centroidPointFirstRing; +function ringRadians(ring) { + return ring = ring.map(pointRadians), ring.pop(), ring; } -function centroidRingEnd$1() { - centroidPointRing(x00$1, y00$1); +function pointRadians(point) { + return [point[0] * radians, point[1] * radians]; } -function centroidPointFirstRing(x, y) { - centroidStream$1.point = centroidPointRing; - centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); +function contains(object, point) { + return (object && containsObjectType.hasOwnProperty(object.type) + ? containsObjectType[object.type] + : containsGeometry)(object, point); } -function centroidPointRing(x, y) { - var dx = x - x0$3, - dy = y - y0$3, - z = sqrt(dx * dx + dy * dy); - - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; - - z = y0$3 * x - x0$3 * y; - X2$1 += z * (x0$3 + x); - Y2$1 += z * (y0$3 + y); - Z2$1 += z * 3; - centroidPoint$1(x0$3 = x, y0$3 = y); +function graticuleX(y0, y1, dy) { + var y = sequence(y0, y1 - epsilon$2, dy).concat(y1); + return function(x) { return y.map(function(y) { return [x, y]; }); }; } -function PathContext(context) { - this._context = context; +function graticuleY(x0, x1, dx) { + var x = sequence(x0, x1 - epsilon$2, dx).concat(x1); + return function(y) { return x.map(function(x) { return [x, y]; }); }; } -PathContext.prototype = { - _radius: 4.5, - pointRadius: function(_) { - return this._radius = _, this; - }, - polygonStart: function() { - this._line = 0; - }, - polygonEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line === 0) this._context.closePath(); - this._point = NaN; - }, - point: function(x, y) { - switch (this._point) { - case 0: { - this._context.moveTo(x, y); - this._point = 1; - break; - } - case 1: { - this._context.lineTo(x, y); - break; - } - default: { - this._context.moveTo(x + this._radius, y); - this._context.arc(x, y, this._radius, 0, tau$3); - break; - } - } - }, - result: noop$1 -}; - -var lengthSum$1 = adder(); -var lengthRing; -var x00$2; -var y00$2; -var x0$4; -var y0$4; +function graticule() { + var x1, x0, X1, X0, + y1, y0, Y1, Y0, + dx = 10, dy = dx, DX = 90, DY = 360, + x, y, X, Y, + precision = 2.5; -var lengthStream$1 = { - point: noop$1, - lineStart: function() { - lengthStream$1.point = lengthPointFirst$1; - }, - lineEnd: function() { - if (lengthRing) lengthPoint$1(x00$2, y00$2); - lengthStream$1.point = noop$1; - }, - polygonStart: function() { - lengthRing = true; - }, - polygonEnd: function() { - lengthRing = null; - }, - result: function() { - var length = +lengthSum$1; - lengthSum$1.reset(); - return length; + function graticule() { + return {type: "MultiLineString", coordinates: lines()}; } -}; - -function lengthPointFirst$1(x, y) { - lengthStream$1.point = lengthPoint$1; - x00$2 = x0$4 = x, y00$2 = y0$4 = y; -} - -function lengthPoint$1(x, y) { - x0$4 -= x, y0$4 -= y; - lengthSum$1.add(sqrt(x0$4 * x0$4 + y0$4 * y0$4)); - x0$4 = x, y0$4 = y; -} - -function PathString() { - this._string = []; -} -PathString.prototype = { - _radius: 4.5, - _circle: circle$1(4.5), - pointRadius: function(_) { - if ((_ = +_) !== this._radius) this._radius = _, this._circle = null; - return this; - }, - polygonStart: function() { - this._line = 0; - }, - polygonEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line === 0) this._string.push("Z"); - this._point = NaN; - }, - point: function(x, y) { - switch (this._point) { - case 0: { - this._string.push("M", x, ",", y); - this._point = 1; - break; - } - case 1: { - this._string.push("L", x, ",", y); - break; - } - default: { - if (this._circle == null) this._circle = circle$1(this._radius); - this._string.push("M", x, ",", y, this._circle); - break; - } - } - }, - result: function() { - if (this._string.length) { - var result = this._string.join(""); - this._string = []; - return result; - } else { - return null; - } + function lines() { + return sequence(ceil(X0 / DX) * DX, X1, DX).map(X) + .concat(sequence(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) + .concat(sequence(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$2; }).map(x)) + .concat(sequence(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$2; }).map(y)); } -}; -function circle$1(radius) { - return "m0," + radius - + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius - + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius - + "z"; -} + graticule.lines = function() { + return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); + }; -var index$1 = function(projection, context) { - var pointRadius = 4.5, - projectionStream, - contextStream; + graticule.outline = function() { + return { + type: "Polygon", + coordinates: [ + X(X0).concat( + Y(Y1).slice(1), + X(X1).reverse().slice(1), + Y(Y0).reverse().slice(1)) + ] + }; + }; - function path(object) { - if (object) { - if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); - geoStream(object, projectionStream(contextStream)); - } - return contextStream.result(); - } + graticule.extent = function(_) { + if (!arguments.length) return graticule.extentMinor(); + return graticule.extentMajor(_).extentMinor(_); + }; - path.area = function(object) { - geoStream(object, projectionStream(areaStream$1)); - return areaStream$1.result(); + graticule.extentMajor = function(_) { + if (!arguments.length) return [[X0, Y0], [X1, Y1]]; + X0 = +_[0][0], X1 = +_[1][0]; + Y0 = +_[0][1], Y1 = +_[1][1]; + if (X0 > X1) _ = X0, X0 = X1, X1 = _; + if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; + return graticule.precision(precision); }; - path.measure = function(object) { - geoStream(object, projectionStream(lengthStream$1)); - return lengthStream$1.result(); + graticule.extentMinor = function(_) { + if (!arguments.length) return [[x0, y0], [x1, y1]]; + x0 = +_[0][0], x1 = +_[1][0]; + y0 = +_[0][1], y1 = +_[1][1]; + if (x0 > x1) _ = x0, x0 = x1, x1 = _; + if (y0 > y1) _ = y0, y0 = y1, y1 = _; + return graticule.precision(precision); }; - path.bounds = function(object) { - geoStream(object, projectionStream(boundsStream$1)); - return boundsStream$1.result(); + graticule.step = function(_) { + if (!arguments.length) return graticule.stepMinor(); + return graticule.stepMajor(_).stepMinor(_); }; - path.centroid = function(object) { - geoStream(object, projectionStream(centroidStream$1)); - return centroidStream$1.result(); + graticule.stepMajor = function(_) { + if (!arguments.length) return [DX, DY]; + DX = +_[0], DY = +_[1]; + return graticule; }; - path.projection = function(_) { - return arguments.length ? (projectionStream = _ == null ? (projection = null, identity$4) : (projection = _).stream, path) : projection; + graticule.stepMinor = function(_) { + if (!arguments.length) return [dx, dy]; + dx = +_[0], dy = +_[1]; + return graticule; }; - path.context = function(_) { - if (!arguments.length) return context; - contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); - if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); - return path; + graticule.precision = function(_) { + if (!arguments.length) return precision; + precision = +_; + x = graticuleX(y0, y1, 90); + y = graticuleY(x0, x1, precision); + X = graticuleX(Y0, Y1, 90); + Y = graticuleY(X0, X1, precision); + return graticule; }; - path.pointRadius = function(_) { - if (!arguments.length) return pointRadius; - pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); - return path; - }; + return graticule + .extentMajor([[-180, -90 + epsilon$2], [180, 90 - epsilon$2]]) + .extentMinor([[-180, -80 - epsilon$2], [180, 80 + epsilon$2]]); +} - return path.projection(projection).context(context); -}; +function graticule10() { + return graticule()(); +} -var clip = function(pointVisible, clipLine, interpolate, start) { - return function(rotate, sink) { - var line = clipLine(sink), - rotatedStart = rotate.invert(start[0], start[1]), - ringBuffer = clipBuffer(), - ringSink = clipLine(ringBuffer), - polygonStarted = false, - polygon, - segments, - ring; +function interpolate$1(a, b) { + var x0 = a[0] * radians, + y0 = a[1] * radians, + x1 = b[0] * radians, + y1 = b[1] * radians, + cy0 = cos$1(y0), + sy0 = sin$1(y0), + cy1 = cos$1(y1), + sy1 = sin$1(y1), + kx0 = cy0 * cos$1(x0), + ky0 = cy0 * sin$1(x0), + kx1 = cy1 * cos$1(x1), + ky1 = cy1 * sin$1(x1), + d = 2 * asin(sqrt(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), + k = sin$1(d); - var clip = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - clip.point = pointRing; - clip.lineStart = ringStart; - clip.lineEnd = ringEnd; - segments = []; - polygon = []; - }, - polygonEnd: function() { - clip.point = point; - clip.lineStart = lineStart; - clip.lineEnd = lineEnd; - segments = merge(segments); - var startInside = polygonContains(polygon, rotatedStart); - if (segments.length) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - clipPolygon(segments, compareIntersection, startInside, interpolate, sink); - } else if (startInside) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - } - if (polygonStarted) sink.polygonEnd(), polygonStarted = false; - segments = polygon = null; - }, - sphere: function() { - sink.polygonStart(); - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - sink.polygonEnd(); - } - }; + var interpolate = d ? function(t) { + var B = sin$1(t *= d) / k, + A = sin$1(d - t) / k, + x = A * kx0 + B * kx1, + y = A * ky0 + B * ky1, + z = A * sy0 + B * sy1; + return [ + atan2(y, x) * degrees$1, + atan2(z, sqrt(x * x + y * y)) * degrees$1 + ]; + } : function() { + return [x0 * degrees$1, y0 * degrees$1]; + }; - function point(lambda, phi) { - var point = rotate(lambda, phi); - if (pointVisible(lambda = point[0], phi = point[1])) sink.point(lambda, phi); - } + interpolate.distance = d; - function pointLine(lambda, phi) { - var point = rotate(lambda, phi); - line.point(point[0], point[1]); - } + return interpolate; +} - function lineStart() { - clip.point = pointLine; - line.lineStart(); - } +function identity$4(x) { + return x; +} - function lineEnd() { - clip.point = point; - line.lineEnd(); - } +var areaSum$1 = adder(); +var areaRingSum$1 = adder(); +var x00; +var y00; +var x0$1; +var y0$1; - function pointRing(lambda, phi) { - ring.push([lambda, phi]); - var point = rotate(lambda, phi); - ringSink.point(point[0], point[1]); - } +var areaStream$1 = { + point: noop$1, + lineStart: noop$1, + lineEnd: noop$1, + polygonStart: function() { + areaStream$1.lineStart = areaRingStart$1; + areaStream$1.lineEnd = areaRingEnd$1; + }, + polygonEnd: function() { + areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$1; + areaSum$1.add(abs(areaRingSum$1)); + areaRingSum$1.reset(); + }, + result: function() { + var area = areaSum$1 / 2; + areaSum$1.reset(); + return area; + } +}; - function ringStart() { - ringSink.lineStart(); - ring = []; - } +function areaRingStart$1() { + areaStream$1.point = areaPointFirst$1; +} - function ringEnd() { - pointRing(ring[0][0], ring[0][1]); - ringSink.lineEnd(); +function areaPointFirst$1(x, y) { + areaStream$1.point = areaPoint$1; + x00 = x0$1 = x, y00 = y0$1 = y; +} - var clean = ringSink.clean(), - ringSegments = ringBuffer.result(), - i, n = ringSegments.length, m, - segment, - point; +function areaPoint$1(x, y) { + areaRingSum$1.add(y0$1 * x - x0$1 * y); + x0$1 = x, y0$1 = y; +} - ring.pop(); - polygon.push(ring); - ring = null; +function areaRingEnd$1() { + areaPoint$1(x00, y00); +} - if (!n) return; +var x0$2 = Infinity; +var y0$2 = x0$2; +var x1 = -x0$2; +var y1 = x1; - // No intersections. - if (clean & 1) { - segment = ringSegments[0]; - if ((m = segment.length - 1) > 0) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); - sink.lineEnd(); - } - return; - } +var boundsStream$1 = { + point: boundsPoint$1, + lineStart: noop$1, + lineEnd: noop$1, + polygonStart: noop$1, + polygonEnd: noop$1, + result: function() { + var bounds = [[x0$2, y0$2], [x1, y1]]; + x1 = y1 = -(y0$2 = x0$2 = Infinity); + return bounds; + } +}; - // Rejoin connected segments. - // TODO reuse ringBuffer.rejoin()? - if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); +function boundsPoint$1(x, y) { + if (x < x0$2) x0$2 = x; + if (x > x1) x1 = x; + if (y < y0$2) y0$2 = y; + if (y > y1) y1 = y; +} - segments.push(ringSegments.filter(validSegment)); - } +// TODO Enforce positive area for exterior, negative area for interior? + +var X0$1 = 0; +var Y0$1 = 0; +var Z0$1 = 0; +var X1$1 = 0; +var Y1$1 = 0; +var Z1$1 = 0; +var X2$1 = 0; +var Y2$1 = 0; +var Z2$1 = 0; +var x00$1; +var y00$1; +var x0$3; +var y0$3; - return clip; - }; +var centroidStream$1 = { + point: centroidPoint$1, + lineStart: centroidLineStart$1, + lineEnd: centroidLineEnd$1, + polygonStart: function() { + centroidStream$1.lineStart = centroidRingStart$1; + centroidStream$1.lineEnd = centroidRingEnd$1; + }, + polygonEnd: function() { + centroidStream$1.point = centroidPoint$1; + centroidStream$1.lineStart = centroidLineStart$1; + centroidStream$1.lineEnd = centroidLineEnd$1; + }, + result: function() { + var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] + : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] + : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] + : [NaN, NaN]; + X0$1 = Y0$1 = Z0$1 = + X1$1 = Y1$1 = Z1$1 = + X2$1 = Y2$1 = Z2$1 = 0; + return centroid; + } }; -function validSegment(segment) { - return segment.length > 1; +function centroidPoint$1(x, y) { + X0$1 += x; + Y0$1 += y; + ++Z0$1; } -// Intersections are sorted along the clip edge. For both antimeridian cutting -// and circle clipping, the same comparison is used. -function compareIntersection(a, b) { - return ((a = a.x)[0] < 0 ? a[1] - halfPi$2 - epsilon$2 : halfPi$2 - a[1]) - - ((b = b.x)[0] < 0 ? b[1] - halfPi$2 - epsilon$2 : halfPi$2 - b[1]); +function centroidLineStart$1() { + centroidStream$1.point = centroidPointFirstLine; } -var clipAntimeridian = clip( - function() { return true; }, - clipAntimeridianLine, - clipAntimeridianInterpolate, - [-pi$3, -halfPi$2] -); +function centroidPointFirstLine(x, y) { + centroidStream$1.point = centroidPointLine; + centroidPoint$1(x0$3 = x, y0$3 = y); +} -// Takes a line and cuts into visible segments. Return values: 0 - there were -// intersections or the line was empty; 1 - no intersections; 2 - there were -// intersections, and the first and last segments should be rejoined. -function clipAntimeridianLine(stream) { - var lambda0 = NaN, - phi0 = NaN, - sign0 = NaN, - clean; // no intersections +function centroidPointLine(x, y) { + var dx = x - x0$3, dy = y - y0$3, z = sqrt(dx * dx + dy * dy); + X1$1 += z * (x0$3 + x) / 2; + Y1$1 += z * (y0$3 + y) / 2; + Z1$1 += z; + centroidPoint$1(x0$3 = x, y0$3 = y); +} - return { - lineStart: function() { - stream.lineStart(); - clean = 1; - }, - point: function(lambda1, phi1) { - var sign1 = lambda1 > 0 ? pi$3 : -pi$3, - delta = abs(lambda1 - lambda0); - if (abs(delta - pi$3) < epsilon$2) { // line crosses a pole - stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$2 : -halfPi$2); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - stream.point(lambda1, phi0); - clean = 0; - } else if (sign0 !== sign1 && delta >= pi$3) { // line crosses antimeridian - if (abs(lambda0 - sign0) < epsilon$2) lambda0 -= sign0 * epsilon$2; // handle degeneracies - if (abs(lambda1 - sign1) < epsilon$2) lambda1 -= sign1 * epsilon$2; - phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - clean = 0; - } - stream.point(lambda0 = lambda1, phi0 = phi1); - sign0 = sign1; - }, - lineEnd: function() { - stream.lineEnd(); - lambda0 = phi0 = NaN; - }, - clean: function() { - return 2 - clean; // if intersections, rejoin first and last segments - } - }; +function centroidLineEnd$1() { + centroidStream$1.point = centroidPoint$1; } -function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { - var cosPhi0, - cosPhi1, - sinLambda0Lambda1 = sin$1(lambda0 - lambda1); - return abs(sinLambda0Lambda1) > epsilon$2 - ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) - - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) - / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) - : (phi0 + phi1) / 2; +function centroidRingStart$1() { + centroidStream$1.point = centroidPointFirstRing; } -function clipAntimeridianInterpolate(from, to, direction, stream) { - var phi; - if (from == null) { - phi = direction * halfPi$2; - stream.point(-pi$3, phi); - stream.point(0, phi); - stream.point(pi$3, phi); - stream.point(pi$3, 0); - stream.point(pi$3, -phi); - stream.point(0, -phi); - stream.point(-pi$3, -phi); - stream.point(-pi$3, 0); - stream.point(-pi$3, phi); - } else if (abs(from[0] - to[0]) > epsilon$2) { - var lambda = from[0] < to[0] ? pi$3 : -pi$3; - phi = direction * lambda / 2; - stream.point(-lambda, phi); - stream.point(0, phi); - stream.point(lambda, phi); - } else { - stream.point(to[0], to[1]); - } +function centroidRingEnd$1() { + centroidPointRing(x00$1, y00$1); } -var clipCircle = function(radius, delta) { - var cr = cos$1(radius), - smallRadius = cr > 0, - notHemisphere = abs(cr) > epsilon$2; // TODO optimise for this common case +function centroidPointFirstRing(x, y) { + centroidStream$1.point = centroidPointRing; + centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); +} - function interpolate(from, to, direction, stream) { - circleStream(stream, radius, delta, direction, from, to); - } +function centroidPointRing(x, y) { + var dx = x - x0$3, + dy = y - y0$3, + z = sqrt(dx * dx + dy * dy); - function visible(lambda, phi) { - return cos$1(lambda) * cos$1(phi) > cr; - } + X1$1 += z * (x0$3 + x) / 2; + Y1$1 += z * (y0$3 + y) / 2; + Z1$1 += z; - // Takes a line and cuts into visible segments. Return values used for polygon - // clipping: 0 - there were intersections or the line was empty; 1 - no - // intersections 2 - there were intersections, and the first and last segments - // should be rejoined. - function clipLine(stream) { - var point0, // previous point - c0, // code for previous point - v0, // visibility of previous point - v00, // visibility of first point - clean; // no intersections - return { - lineStart: function() { - v00 = v0 = false; - clean = 1; - }, - point: function(lambda, phi) { - var point1 = [lambda, phi], - point2, - v = visible(lambda, phi), - c = smallRadius - ? v ? 0 : code(lambda, phi) - : v ? code(lambda + (lambda < 0 ? pi$3 : -pi$3), phi) : 0; - if (!point0 && (v00 = v0 = v)) stream.lineStart(); - // Handle degeneracies. - // TODO ignore if not clipping polygons. - if (v !== v0) { - point2 = intersect(point0, point1); - if (!point2 || pointEqual(point0, point2) || pointEqual(point1, point2)) { - point1[0] += epsilon$2; - point1[1] += epsilon$2; - v = visible(point1[0], point1[1]); - } - } - if (v !== v0) { - clean = 0; - if (v) { - // outside going in - stream.lineStart(); - point2 = intersect(point1, point0); - stream.point(point2[0], point2[1]); - } else { - // inside going out - point2 = intersect(point0, point1); - stream.point(point2[0], point2[1]); - stream.lineEnd(); - } - point0 = point2; - } else if (notHemisphere && point0 && smallRadius ^ v) { - var t; - // If the codes for two points are different, or are both zero, - // and there this segment intersects with the small circle. - if (!(c & c0) && (t = intersect(point1, point0, true))) { - clean = 0; - if (smallRadius) { - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - } else { - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - } - } - } - if (v && (!point0 || !pointEqual(point0, point1))) { - stream.point(point1[0], point1[1]); - } - point0 = point1, v0 = v, c0 = c; - }, - lineEnd: function() { - if (v0) stream.lineEnd(); - point0 = null; - }, - // Rejoin first and last segments if there were intersections and the first - // and last points were visible. - clean: function() { - return clean | ((v00 && v0) << 1); + z = y0$3 * x - x0$3 * y; + X2$1 += z * (x0$3 + x); + Y2$1 += z * (y0$3 + y); + Z2$1 += z * 3; + centroidPoint$1(x0$3 = x, y0$3 = y); +} + +function PathContext(context) { + this._context = context; +} + +PathContext.prototype = { + _radius: 4.5, + pointRadius: function(_) { + return this._radius = _, this; + }, + polygonStart: function() { + this._line = 0; + }, + polygonEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line === 0) this._context.closePath(); + this._point = NaN; + }, + point: function(x, y) { + switch (this._point) { + case 0: { + this._context.moveTo(x, y); + this._point = 1; + break; } - }; + case 1: { + this._context.lineTo(x, y); + break; + } + default: { + this._context.moveTo(x + this._radius, y); + this._context.arc(x, y, this._radius, 0, tau$3); + break; + } + } + }, + result: noop$1 +}; + +var lengthSum$1 = adder(); +var lengthRing; +var x00$2; +var y00$2; +var x0$4; +var y0$4; + +var lengthStream$1 = { + point: noop$1, + lineStart: function() { + lengthStream$1.point = lengthPointFirst$1; + }, + lineEnd: function() { + if (lengthRing) lengthPoint$1(x00$2, y00$2); + lengthStream$1.point = noop$1; + }, + polygonStart: function() { + lengthRing = true; + }, + polygonEnd: function() { + lengthRing = null; + }, + result: function() { + var length = +lengthSum$1; + lengthSum$1.reset(); + return length; } +}; - // Intersects the great circle between a and b with the clip circle. - function intersect(a, b, two) { - var pa = cartesian(a), - pb = cartesian(b); +function lengthPointFirst$1(x, y) { + lengthStream$1.point = lengthPoint$1; + x00$2 = x0$4 = x, y00$2 = y0$4 = y; +} - // We have two planes, n1.p = d1 and n2.p = d2. - // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). - var n1 = [1, 0, 0], // normal - n2 = cartesianCross(pa, pb), - n2n2 = cartesianDot(n2, n2), - n1n2 = n2[0], // cartesianDot(n1, n2), - determinant = n2n2 - n1n2 * n1n2; +function lengthPoint$1(x, y) { + x0$4 -= x, y0$4 -= y; + lengthSum$1.add(sqrt(x0$4 * x0$4 + y0$4 * y0$4)); + x0$4 = x, y0$4 = y; +} - // Two polar points. - if (!determinant) return !two && a; +function PathString() { + this._string = []; +} - var c1 = cr * n2n2 / determinant, - c2 = -cr * n1n2 / determinant, - n1xn2 = cartesianCross(n1, n2), - A = cartesianScale(n1, c1), - B = cartesianScale(n2, c2); - cartesianAddInPlace(A, B); +PathString.prototype = { + _radius: 4.5, + _circle: circle$1(4.5), + pointRadius: function(_) { + if ((_ = +_) !== this._radius) this._radius = _, this._circle = null; + return this; + }, + polygonStart: function() { + this._line = 0; + }, + polygonEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line === 0) this._string.push("Z"); + this._point = NaN; + }, + point: function(x, y) { + switch (this._point) { + case 0: { + this._string.push("M", x, ",", y); + this._point = 1; + break; + } + case 1: { + this._string.push("L", x, ",", y); + break; + } + default: { + if (this._circle == null) this._circle = circle$1(this._radius); + this._string.push("M", x, ",", y, this._circle); + break; + } + } + }, + result: function() { + if (this._string.length) { + var result = this._string.join(""); + this._string = []; + return result; + } else { + return null; + } + } +}; - // Solve |p(t)|^2 = 1. - var u = n1xn2, - w = cartesianDot(A, u), - uu = cartesianDot(u, u), - t2 = w * w - uu * (cartesianDot(A, A) - 1); +function circle$1(radius) { + return "m0," + radius + + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + + "z"; +} - if (t2 < 0) return; +function index$1(projection, context) { + var pointRadius = 4.5, + projectionStream, + contextStream; - var t = sqrt(t2), - q = cartesianScale(u, (-w - t) / uu); - cartesianAddInPlace(q, A); - q = spherical(q); + function path(object) { + if (object) { + if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); + geoStream(object, projectionStream(contextStream)); + } + return contextStream.result(); + } - if (!two) return q; + path.area = function(object) { + geoStream(object, projectionStream(areaStream$1)); + return areaStream$1.result(); + }; - // Two intersection points. - var lambda0 = a[0], - lambda1 = b[0], - phi0 = a[1], - phi1 = b[1], - z; + path.measure = function(object) { + geoStream(object, projectionStream(lengthStream$1)); + return lengthStream$1.result(); + }; - if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; + path.bounds = function(object) { + geoStream(object, projectionStream(boundsStream$1)); + return boundsStream$1.result(); + }; - var delta = lambda1 - lambda0, - polar = abs(delta - pi$3) < epsilon$2, - meridian = polar || delta < epsilon$2; + path.centroid = function(object) { + geoStream(object, projectionStream(centroidStream$1)); + return centroidStream$1.result(); + }; - if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; + path.projection = function(_) { + return arguments.length ? (projectionStream = _ == null ? (projection = null, identity$4) : (projection = _).stream, path) : projection; + }; - // Check that the first point is between a and b. - if (meridian - ? polar - ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$2 ? phi0 : phi1) - : phi0 <= q[1] && q[1] <= phi1 - : delta > pi$3 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { - var q1 = cartesianScale(u, (-w + t) / uu); - cartesianAddInPlace(q1, A); - return [q, spherical(q1)]; - } - } + path.context = function(_) { + if (!arguments.length) return context; + contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); + if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); + return path; + }; - // Generates a 4-bit vector representing the location of a point relative to - // the small circle's bounding box. - function code(lambda, phi) { - var r = smallRadius ? radius : pi$3 - radius, - code = 0; - if (lambda < -r) code |= 1; // left - else if (lambda > r) code |= 2; // right - if (phi < -r) code |= 4; // below - else if (phi > r) code |= 8; // above - return code; - } + path.pointRadius = function(_) { + if (!arguments.length) return pointRadius; + pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); + return path; + }; - return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$3, radius - pi$3]); -}; + return path.projection(projection).context(context); +} -var transform = function(methods) { +function transform(methods) { return { stream: transformer(methods) }; -}; +} function transformer(methods) { return function(stream) { @@ -8911,41 +8987,57 @@ TransformStream.prototype = { polygonEnd: function() { this.stream.polygonEnd(); } }; -function fitExtent(projection, extent, object) { - var w = extent[1][0] - extent[0][0], - h = extent[1][1] - extent[0][1], - clip = projection.clipExtent && projection.clipExtent(); - - projection - .scale(150) - .translate([0, 0]); - +function fit(projection, fitBounds, object) { + var clip = projection.clipExtent && projection.clipExtent(); + projection.scale(150).translate([0, 0]); if (clip != null) projection.clipExtent(null); - geoStream(object, projection.stream(boundsStream$1)); - - var b = boundsStream$1.result(), - k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), - x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, - y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; - + fitBounds(boundsStream$1.result()); if (clip != null) projection.clipExtent(clip); + return projection; +} - return projection - .scale(k * 150) - .translate([x, y]); +function fitExtent(projection, extent, object) { + return fit(projection, function(b) { + var w = extent[1][0] - extent[0][0], + h = extent[1][1] - extent[0][1], + k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), + x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, + y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; + projection.scale(150 * k).translate([x, y]); + }, object); } function fitSize(projection, size, object) { return fitExtent(projection, [[0, 0], size], object); } +function fitWidth(projection, width, object) { + return fit(projection, function(b) { + var w = +width, + k = w / (b[1][0] - b[0][0]), + x = (w - k * (b[1][0] + b[0][0])) / 2, + y = -k * b[0][1]; + projection.scale(150 * k).translate([x, y]); + }, object); +} + +function fitHeight(projection, height, object) { + return fit(projection, function(b) { + var h = +height, + k = h / (b[1][1] - b[0][1]), + x = -k * b[0][0], + y = (h - k * (b[1][1] + b[0][1])) / 2; + projection.scale(150 * k).translate([x, y]); + }, object); +} + var maxDepth = 16; var cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) -var resample = function(project, delta2) { +function resample(project, delta2) { return +delta2 ? resample$1(project, delta2) : resampleNone(project); -}; +} function resampleNone(project) { return transformer({ @@ -9045,6 +9137,15 @@ var transformRadians = transformer({ } }); +function transformRotate(rotate) { + return transformer({ + point: function(x, y) { + var r = rotate(x, y); + return this.stream.point(r[0], r[1]); + } + }); +} + function projection(project) { return projectionMutator(function() { return project; })(); } @@ -9075,16 +9176,24 @@ function projectionMutator(projectAt) { return x = project(x, y), [x[0] * k + dx, dy - x[1] * k]; } - projection.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = transformRadians(preclip(rotate, projectResample(postclip(cacheStream = stream)))); + projection.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = transformRadians(transformRotate(rotate)(preclip(projectResample(postclip(cacheStream = stream))))); + }; + + projection.preclip = function(_) { + return arguments.length ? (preclip = _, theta = undefined, reset()) : preclip; + }; + + projection.postclip = function(_) { + return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; }; projection.clipAngle = function(_) { - return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians, 6 * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1; + return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1; }; projection.clipExtent = function(_) { - return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; }; projection.scale = function(_) { @@ -9115,6 +9224,14 @@ function projectionMutator(projectAt) { return fitSize(projection, size, object); }; + projection.fitWidth = function(width, object) { + return fitWidth(projection, width, object); + }; + + projection.fitHeight = function(height, object) { + return fitHeight(projection, height, object); + }; + function recenter() { projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); var center = project(lambda, phi); @@ -9183,20 +9300,20 @@ function conicEqualAreaRaw(y0, y1) { return project; } -var conicEqualArea = function() { +function conicEqualArea() { return conicProjection(conicEqualAreaRaw) .scale(155.424) .center([0, 33.6442]); -}; +} -var albers = function() { +function albers() { return conicEqualArea() .parallels([29.5, 45.5]) .scale(1070) .translate([480, 250]) .rotate([96, 0]) .center([-0.6, 38.7]); -}; +} // The projections must have mutually exclusive clip regions on the sphere, // as this will avoid emitting interleaving lines and polygons. @@ -9217,7 +9334,7 @@ function multiplex(streams) { // scale to 1285 and adjust the translate accordingly. The set of standard // parallels for each region comes from USGS, which is published here: // http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers -var albersUsa = function() { +function albersUsa() { var cache, cacheStream, lower48 = albers(), lower48Point, @@ -9227,8 +9344,7 @@ var albersUsa = function() { function albersUsa(coordinates) { var x = coordinates[0], y = coordinates[1]; - return point = null, - (lower48Point.point(x, y), point) + return point = null, (lower48Point.point(x, y), point) || (alaskaPoint.point(x, y), point) || (hawaiiPoint.point(x, y), point); } @@ -9289,13 +9405,21 @@ var albersUsa = function() { return fitSize(albersUsa, size, object); }; + albersUsa.fitWidth = function(width, object) { + return fitWidth(albersUsa, width, object); + }; + + albersUsa.fitHeight = function(height, object) { + return fitHeight(albersUsa, height, object); + }; + function reset() { cache = cacheStream = null; return albersUsa; } return albersUsa.scale(1070); -}; +} function azimuthalRaw(scale) { return function(x, y) { @@ -9330,11 +9454,11 @@ azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) { return 2 * asin(z / 2); }); -var azimuthalEqualArea = function() { +function azimuthalEqualArea() { return projection(azimuthalEqualAreaRaw) .scale(124.75) .clipAngle(180 - 1e-3); -}; +} var azimuthalEquidistantRaw = azimuthalRaw(function(c) { return (c = acos(c)) && c / sin$1(c); @@ -9344,11 +9468,11 @@ azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) { return z; }); -var azimuthalEquidistant = function() { +function azimuthalEquidistant() { return projection(azimuthalEquidistantRaw) .scale(79.4188) .clipAngle(180 - 1e-3); -}; +} function mercatorRaw(lambda, phi) { return [lambda, log(tan((halfPi$2 + phi) / 2))]; @@ -9358,10 +9482,10 @@ mercatorRaw.invert = function(x, y) { return [x, 2 * atan(exp(y)) - halfPi$2]; }; -var mercator = function() { +function mercator() { return mercatorProjection(mercatorRaw) .scale(961 / tau$3); -}; +} function mercatorProjection(project) { var m = projection(project), @@ -9384,7 +9508,7 @@ function mercatorProjection(project) { }; m.clipExtent = function(_) { - return arguments.length ? ((_ == null ? x0 = y0 = x1 = y1 = null : (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1])), reclip()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + return arguments.length ? (_ == null ? x0 = y0 = x1 = y1 = null : (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reclip()) : x0 == null ? null : [[x0, y0], [x1, y1]]; }; function reclip() { @@ -9425,11 +9549,11 @@ function conicConformalRaw(y0, y1) { return project; } -var conicConformal = function() { +function conicConformal() { return conicProjection(conicConformalRaw) .scale(109.5) .parallels([30, 30]); -}; +} function equirectangularRaw(lambda, phi) { return [lambda, phi]; @@ -9437,10 +9561,10 @@ function equirectangularRaw(lambda, phi) { equirectangularRaw.invert = equirectangularRaw; -var equirectangular = function() { +function equirectangular() { return projection(equirectangularRaw) .scale(152.63); -}; +} function conicEquidistantRaw(y0, y1) { var cy0 = cos$1(y0), @@ -9462,11 +9586,11 @@ function conicEquidistantRaw(y0, y1) { return project; } -var conicEquidistant = function() { +function conicEquidistant() { return conicProjection(conicEquidistantRaw) .scale(131.154) .center([0, 13.9389]); -}; +} function gnomonicRaw(x, y) { var cy = cos$1(y), k = cos$1(x) * cy; @@ -9475,11 +9599,11 @@ function gnomonicRaw(x, y) { gnomonicRaw.invert = azimuthalInvert(atan); -var gnomonic = function() { +function gnomonic() { return projection(gnomonicRaw) .scale(144.049) .clipAngle(60); -}; +} function scaleTranslate(kx, ky, tx, ty) { return kx === 1 && ky === 1 && tx === 0 && ty === 0 ? identity$4 : transformer({ @@ -9489,9 +9613,10 @@ function scaleTranslate(kx, ky, tx, ty) { }); } -var identity$5 = function() { +function identity$5() { var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, transform$$1 = identity$4, // scale, translate and reflect - x0 = null, y0, x1, y1, clip = identity$4, // clip extent + x0 = null, y0, x1, y1, // clip extent + postclip = identity$4, cache, cacheStream, projection; @@ -9503,10 +9628,13 @@ var identity$5 = function() { return projection = { stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = transform$$1(clip(cacheStream = stream)); + return cache && cacheStream === stream ? cache : cache = transform$$1(postclip(cacheStream = stream)); + }, + postclip: function(_) { + return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; }, clipExtent: function(_) { - return arguments.length ? (clip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; }, scale: function(_) { return arguments.length ? (transform$$1 = scaleTranslate((k = +_) * sx, k * sy, tx, ty), reset()) : k; @@ -9525,21 +9653,53 @@ var identity$5 = function() { }, fitSize: function(size, object) { return fitSize(projection, size, object); + }, + fitWidth: function(width, object) { + return fitWidth(projection, width, object); + }, + fitHeight: function(height, object) { + return fitHeight(projection, height, object); } }; +} + +function naturalEarth1Raw(lambda, phi) { + var phi2 = phi * phi, phi4 = phi2 * phi2; + return [ + lambda * (0.8707 - 0.131979 * phi2 + phi4 * (-0.013791 + phi4 * (0.003971 * phi2 - 0.001529 * phi4))), + phi * (1.007226 + phi2 * (0.015085 + phi4 * (-0.044475 + 0.028874 * phi2 - 0.005916 * phi4))) + ]; +} + +naturalEarth1Raw.invert = function(x, y) { + var phi = y, i = 25, delta; + do { + var phi2 = phi * phi, phi4 = phi2 * phi2; + phi -= delta = (phi * (1.007226 + phi2 * (0.015085 + phi4 * (-0.044475 + 0.028874 * phi2 - 0.005916 * phi4))) - y) / + (1.007226 + phi2 * (0.015085 * 3 + phi4 * (-0.044475 * 7 + 0.028874 * 9 * phi2 - 0.005916 * 11 * phi4))); + } while (abs(delta) > epsilon$2 && --i > 0); + return [ + x / (0.8707 + (phi2 = phi * phi) * (-0.131979 + phi2 * (-0.013791 + phi2 * phi2 * phi2 * (0.003971 - 0.001529 * phi2)))), + phi + ]; }; +function naturalEarth1() { + return projection(naturalEarth1Raw) + .scale(175.295); +} + function orthographicRaw(x, y) { return [cos$1(y) * sin$1(x), sin$1(y)]; } orthographicRaw.invert = azimuthalInvert(asin); -var orthographic = function() { +function orthographic() { return projection(orthographicRaw) .scale(249.5) .clipAngle(90 + epsilon$2); -}; +} function stereographicRaw(x, y) { var cy = cos$1(y), k = 1 + cos$1(x) * cy; @@ -9550,11 +9710,11 @@ stereographicRaw.invert = azimuthalInvert(function(z) { return 2 * atan(z); }); -var stereographic = function() { +function stereographic() { return projection(stereographicRaw) .scale(250) .clipAngle(142); -}; +} function transverseMercatorRaw(lambda, phi) { return [log(tan((halfPi$2 + phi) / 2)), -lambda]; @@ -9564,7 +9724,7 @@ transverseMercatorRaw.invert = function(x, y) { return [-y, 2 * atan(exp(x)) - halfPi$2]; }; -var transverseMercator = function() { +function transverseMercator() { var m = mercatorProjection(transverseMercatorRaw), center = m.center, rotate = m.rotate; @@ -9579,7 +9739,7 @@ var transverseMercator = function() { return rotate([0, 0, 90]) .scale(159.155); -}; +} function defaultSeparation(a, b) { return a.parent === b.parent ? 1 : 2; @@ -9613,7 +9773,7 @@ function leafRight(node) { return node; } -var cluster = function() { +function cluster() { var separation = defaultSeparation, dx = 1, dy = 1, @@ -9664,7 +9824,7 @@ var cluster = function() { }; return cluster; -}; +} function count(node) { var sum = 0, @@ -9675,11 +9835,11 @@ function count(node) { node.value = sum; } -var node_count = function() { +function node_count() { return this.eachAfter(count); -}; +} -var node_each = function(callback) { +function node_each(callback) { var node = this, current, next = [node], children, i, n; do { current = next.reverse(), next = []; @@ -9691,9 +9851,9 @@ var node_each = function(callback) { } } while (next.length); return this; -}; +} -var node_eachBefore = function(callback) { +function node_eachBefore(callback) { var node = this, nodes = [node], children, i; while (node = nodes.pop()) { callback(node), children = node.children; @@ -9702,9 +9862,9 @@ var node_eachBefore = function(callback) { } } return this; -}; +} -var node_eachAfter = function(callback) { +function node_eachAfter(callback) { var node = this, nodes = [node], next = [], children, i, n; while (node = nodes.pop()) { next.push(node), children = node.children; @@ -9716,9 +9876,9 @@ var node_eachAfter = function(callback) { callback(node); } return this; -}; +} -var node_sum = function(value) { +function node_sum(value) { return this.eachAfter(function(node) { var sum = +value(node.data) || 0, children = node.children, @@ -9726,17 +9886,17 @@ var node_sum = function(value) { while (--i >= 0) sum += children[i].value; node.value = sum; }); -}; +} -var node_sort = function(compare) { +function node_sort(compare) { return this.eachBefore(function(node) { if (node.children) { node.children.sort(compare); } }); -}; +} -var node_path = function(end) { +function node_path(end) { var start = this, ancestor = leastCommonAncestor(start, end), nodes = [start]; @@ -9750,7 +9910,7 @@ var node_path = function(end) { end = end.parent; } return nodes; -}; +} function leastCommonAncestor(a, b) { if (a === b) return a; @@ -9767,23 +9927,23 @@ function leastCommonAncestor(a, b) { return c; } -var node_ancestors = function() { +function node_ancestors() { var node = this, nodes = [node]; while (node = node.parent) { nodes.push(node); } return nodes; -}; +} -var node_descendants = function() { +function node_descendants() { var nodes = []; this.each(function(node) { nodes.push(node); }); return nodes; -}; +} -var node_leaves = function() { +function node_leaves() { var leaves = []; this.eachBefore(function(node) { if (!node.children) { @@ -9791,9 +9951,9 @@ var node_leaves = function() { } }); return leaves; -}; +} -var node_links = function() { +function node_links() { var root = this, links = []; root.each(function(node) { if (node !== root) { // Don’t include the root’s parent, if any. @@ -9801,7 +9961,7 @@ var node_links = function() { } }); return links; -}; +} function hierarchy(data, children) { var root = new Node(data), @@ -9888,7 +10048,7 @@ function shuffle$1(array) { return array; } -var enclose = function(circles) { +function enclose(circles) { var i = 0, n = (circles = shuffle$1(slice$3.call(circles))).length, B = [], p, e; while (i < n) { @@ -9898,7 +10058,7 @@ var enclose = function(circles) { } return e; -}; +} function extendBasis(B, p) { var i, j; @@ -10114,10 +10274,10 @@ function packEnclose(circles) { return c.r; } -var siblings = function(circles) { +function siblings(circles) { packEnclose(circles); return circles; -}; +} function optional(f) { return f == null ? null : required(f); @@ -10132,17 +10292,17 @@ function constantZero() { return 0; } -var constant$8 = function(x) { +function constant$8(x) { return function() { return x; }; -}; +} function defaultRadius$1(d) { return Math.sqrt(d.value); } -var index$2 = function() { +function index$2() { var radius = null, dx = 1, dy = 1, @@ -10176,7 +10336,7 @@ var index$2 = function() { }; return pack; -}; +} function radiusLeaf(radius) { return function(node) { @@ -10214,14 +10374,14 @@ function translateChild(k) { }; } -var roundNode = function(node) { +function roundNode(node) { node.x0 = Math.round(node.x0); node.y0 = Math.round(node.y0); node.x1 = Math.round(node.x1); node.y1 = Math.round(node.y1); -}; +} -var treemapDice = function(parent, x0, y0, x1, y1) { +function treemapDice(parent, x0, y0, x1, y1) { var nodes = parent.children, node, i = -1, @@ -10232,9 +10392,9 @@ var treemapDice = function(parent, x0, y0, x1, y1) { node = nodes[i], node.y0 = y0, node.y1 = y1; node.x0 = x0, node.x1 = x0 += node.value * k; } -}; +} -var partition = function() { +function partition() { var dx = 1, dy = 1, padding = 0, @@ -10282,7 +10442,7 @@ var partition = function() { }; return partition; -}; +} var keyPrefix$1 = "$"; var preroot = {depth: -1}; @@ -10296,7 +10456,7 @@ function defaultParentId(d) { return d.parentId; } -var stratify = function() { +function stratify() { var id = defaultId, parentId = defaultParentId; @@ -10353,7 +10513,7 @@ var stratify = function() { }; return stratify; -}; +} function defaultSeparation$1(a, b) { return a.parent === b.parent ? 1 : 2; @@ -10452,7 +10612,7 @@ function treeRoot(root) { } // Node-link tree diagram using the Reingold-Tilford "tidy" algorithm -var tree = function() { +function tree() { var separation = defaultSeparation$1, dx = 1, dy = 1, @@ -10589,9 +10749,9 @@ var tree = function() { }; return tree; -}; +} -var treemapSlice = function(parent, x0, y0, x1, y1) { +function treemapSlice(parent, x0, y0, x1, y1) { var nodes = parent.children, node, i = -1, @@ -10602,7 +10762,7 @@ var treemapSlice = function(parent, x0, y0, x1, y1) { node = nodes[i], node.x0 = x0, node.x1 = x1; node.y0 = y0, node.y1 = y0 += node.value * k; } -}; +} var phi = (1 + Math.sqrt(5)) / 2; @@ -10668,7 +10828,7 @@ var squarify = (function custom(ratio) { return squarify; })(phi); -var index$3 = function() { +function index$3() { var tile = squarify, round = false, dx = 1, @@ -10756,9 +10916,9 @@ var index$3 = function() { }; return treemap; -}; +} -var binary = function(parent, x0, y0, x1, y1) { +function binary(parent, x0, y0, x1, y1) { var nodes = parent.children, i, n = nodes.length, sum, sums = new Array(n + 1); @@ -10803,11 +10963,11 @@ var binary = function(parent, x0, y0, x1, y1) { partition(k, j, valueRight, x0, yk, x1, y1); } } -}; +} -var sliceDice = function(parent, x0, y0, x1, y1) { +function sliceDice(parent, x0, y0, x1, y1) { (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); -}; +} var resquarify = (function custom(ratio) { @@ -10842,7 +11002,7 @@ var resquarify = (function custom(ratio) { return resquarify; })(phi); -var area$1 = function(polygon) { +function area$1(polygon) { var i = -1, n = polygon.length, a, @@ -10856,9 +11016,9 @@ var area$1 = function(polygon) { } return area / 2; -}; +} -var centroid$1 = function(polygon) { +function centroid$1(polygon) { var i = -1, n = polygon.length, x = 0, @@ -10877,15 +11037,15 @@ var centroid$1 = function(polygon) { } return k *= 3, [x / k, y / k]; -}; +} // Returns the 2D cross product of AB and AC vectors, i.e., the z-component of // the 3D cross product in a quadrant I Cartesian coordinate system (+x is // right, +y is up). Returns a positive value if ABC is counter-clockwise, // negative if clockwise, and zero if the points are collinear. -var cross$1 = function(a, b, c) { +function cross$1(a, b, c) { return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); -}; +} function lexicographicOrder(a, b) { return a[0] - b[0] || a[1] - b[1]; @@ -10907,7 +11067,7 @@ function computeUpperHullIndexes(points) { return indexes.slice(0, size); // remove popped points } -var hull = function(points) { +function hull(points) { if ((n = points.length) < 3) return null; var i, @@ -10933,9 +11093,9 @@ var hull = function(points) { for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]); return hull; -}; +} -var contains$1 = function(polygon, point) { +function contains$1(polygon, point) { var n = polygon.length, p = polygon[n - 1], x = point[0], y = point[1], @@ -10950,9 +11110,9 @@ var contains$1 = function(polygon, point) { } return inside; -}; +} -var length$2 = function(polygon) { +function length$2(polygon) { var i = -1, n = polygon.length, b = polygon[n - 1], @@ -10974,7 +11134,7 @@ var length$2 = function(polygon) { } return perimeter; -}; +} var slice$4 = [].slice; @@ -11098,9 +11258,9 @@ function queue(concurrency) { return new Queue(concurrency); } -var defaultSource$1 = function() { +function defaultSource$1() { return Math.random(); -}; +} var uniform = (function sourceRandomUniform(source) { function randomUniform(min, max) { @@ -11196,7 +11356,7 @@ var exponential$1 = (function sourceRandomExponential(source) { return randomExponential; })(defaultSource$1); -var request = function(url, callback) { +function request(url, callback) { var request, event = dispatch("beforesend", "progress", "load", "error"), mimeType, @@ -11330,7 +11490,7 @@ var request = function(url, callback) { } return request; -}; +} function fixCallback(callback) { return function(error, xhr) { @@ -11345,7 +11505,7 @@ function hasResponse(xhr) { : xhr.responseText; // "" on error } -var type$1 = function(defaultMimeType, response) { +function type$1(defaultMimeType, response) { return function(url, callback) { var r = request(url).mimeType(defaultMimeType).response(response); if (callback != null) { @@ -11354,7 +11514,7 @@ var type$1 = function(defaultMimeType, response) { } return r; }; -}; +} var html = type$1("text/html", function(xhr) { return document.createRange().createContextualFragment(xhr.responseText); @@ -11374,7 +11534,7 @@ var xml = type$1("application/xml", function(xhr) { return xml; }); -var dsv$1 = function(defaultMimeType, parse) { +function dsv$1(defaultMimeType, parse) { return function(url, row, callback) { if (arguments.length < 3) callback = row, row = null; var r = request(url).mimeType(defaultMimeType); @@ -11382,7 +11542,7 @@ var dsv$1 = function(defaultMimeType, parse) { r.row(row); return callback ? r.get(callback) : r; }; -}; +} function responseOf(parse, row) { return function(request$$1) { @@ -11542,15 +11702,15 @@ function point$1() { return pointish(band().paddingInner(1)); } -var constant$9 = function(x) { +function constant$9(x) { return function() { return x; }; -}; +} -var number$2 = function(x) { +function number$2(x) { return +x; -}; +} var unit = [0, 1]; @@ -11599,7 +11759,7 @@ function polymap(domain, range, deinterpolate, reinterpolate) { } return function(x) { - var i = bisectRight$1(domain, x, 1, j) - 1; + var i = bisectRight(domain, x, 1, j) - 1; return r[i](d[i](x)); }; } @@ -11660,7 +11820,7 @@ function continuous(deinterpolate, reinterpolate) { return rescale(); } -var tickFormat = function(domain, count, specifier) { +function tickFormat(domain, count, specifier) { var start = domain[0], stop = domain[domain.length - 1], step = tickStep(start, stop, count == null ? 10 : count), @@ -11687,7 +11847,7 @@ var tickFormat = function(domain, count, specifier) { } } return exports.format(specifier); -}; +} function linearish(scale) { var domain = scale.domain; @@ -11774,7 +11934,7 @@ function identity$6() { return linearish(scale); } -var nice = function(domain, interval) { +function nice(domain, interval) { domain = domain.slice(); var i0 = 0, @@ -11791,7 +11951,7 @@ var nice = function(domain, interval) { domain[i0] = interval.floor(x0); domain[i1] = interval.ceil(x1); return domain; -}; +} function deinterpolate(a, b) { return (b = Math.log(b / a)) @@ -11964,7 +12124,7 @@ function quantile$$1() { } function scale(x) { - if (!isNaN(x = +x)) return range[bisectRight$1(thresholds, x)]; + if (!isNaN(x = +x)) return range[bisectRight(thresholds, x)]; } scale.invertExtent = function(y) { @@ -12008,7 +12168,7 @@ function quantize$1() { range = [0, 1]; function scale(x) { - if (x <= x) return range[bisectRight$1(domain, x, 0, n)]; + if (x <= x) return range[bisectRight(domain, x, 0, n)]; } function rescale() { @@ -12049,7 +12209,7 @@ function threshold$1() { n = 1; function scale(x) { - if (x <= x) return range[bisectRight$1(domain, x, 0, n)]; + if (x <= x) return range[bisectRight(domain, x, 0, n)]; } scale.domain = function(_) { @@ -12100,11 +12260,12 @@ function newInterval(floori, offseti, count, field) { }; interval.range = function(start, stop, step) { - var range = []; + var range = [], previous; start = interval.ceil(start); step = step == null ? 1 : Math.floor(step); if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date - do range.push(new Date(+start)); while (offseti(start, step), floori(start), start < stop) + do range.push(previous = new Date(+start)), offseti(start, step), floori(start); + while (previous < start && start < stop); return range; }; @@ -12437,6 +12598,7 @@ function formatLocale$1(locale) { "c": null, "d": formatDayOfMonth, "e": formatDayOfMonth, + "f": formatMicroseconds, "H": formatHour24, "I": formatHour12, "j": formatDayOfYear, @@ -12444,9 +12606,13 @@ function formatLocale$1(locale) { "m": formatMonthNumber, "M": formatMinutes, "p": formatPeriod, + "Q": formatUnixTimestamp, + "s": formatUnixTimestampSeconds, "S": formatSeconds, + "u": formatWeekdayNumberMonday, "U": formatWeekNumberSunday, - "w": formatWeekdayNumber, + "V": formatWeekNumberISO, + "w": formatWeekdayNumberSunday, "W": formatWeekNumberMonday, "x": null, "X": null, @@ -12464,6 +12630,7 @@ function formatLocale$1(locale) { "c": null, "d": formatUTCDayOfMonth, "e": formatUTCDayOfMonth, + "f": formatUTCMicroseconds, "H": formatUTCHour24, "I": formatUTCHour12, "j": formatUTCDayOfYear, @@ -12471,9 +12638,13 @@ function formatLocale$1(locale) { "m": formatUTCMonthNumber, "M": formatUTCMinutes, "p": formatUTCPeriod, + "Q": formatUnixTimestamp, + "s": formatUnixTimestampSeconds, "S": formatUTCSeconds, + "u": formatUTCWeekdayNumberMonday, "U": formatUTCWeekNumberSunday, - "w": formatUTCWeekdayNumber, + "V": formatUTCWeekNumberISO, + "w": formatUTCWeekdayNumberSunday, "W": formatUTCWeekNumberMonday, "x": null, "X": null, @@ -12491,6 +12662,7 @@ function formatLocale$1(locale) { "c": parseLocaleDateTime, "d": parseDayOfMonth, "e": parseDayOfMonth, + "f": parseMicroseconds, "H": parseHour24, "I": parseHour24, "j": parseDayOfYear, @@ -12498,9 +12670,13 @@ function formatLocale$1(locale) { "m": parseMonthNumber, "M": parseMinutes, "p": parsePeriod, + "Q": parseUnixTimestamp, + "s": parseUnixTimestampSeconds, "S": parseSeconds, + "u": parseWeekdayNumberMonday, "U": parseWeekNumberSunday, - "w": parseWeekdayNumber, + "V": parseWeekNumberISO, + "w": parseWeekdayNumberSunday, "W": parseWeekNumberMonday, "x": parseLocaleDate, "X": parseLocaleTime, @@ -12549,16 +12725,38 @@ function formatLocale$1(locale) { function newParse(specifier, newDate) { return function(string) { var d = newYear(1900), - i = parseSpecifier(d, specifier, string += "", 0); + i = parseSpecifier(d, specifier, string += "", 0), + week, day$$1; if (i != string.length) return null; + // If a UNIX timestamp is specified, return it. + if ("Q" in d) return new Date(d.Q); + // The am-pm flag is 0 for AM, and 1 for PM. if ("p" in d) d.H = d.H % 12 + d.p * 12; // Convert day-of-week and week-of-year to day-of-year. - if ("W" in d || "U" in d) { - if (!("w" in d)) d.w = "W" in d ? 1 : 0; - var day$$1 = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay(); + if ("V" in d) { + if (d.V < 1 || d.V > 53) return null; + if (!("w" in d)) d.w = 1; + if ("Z" in d) { + week = utcDate(newYear(d.y)), day$$1 = week.getUTCDay(); + week = day$$1 > 4 || day$$1 === 0 ? utcMonday.ceil(week) : utcMonday(week); + week = utcDay.offset(week, (d.V - 1) * 7); + d.y = week.getUTCFullYear(); + d.m = week.getUTCMonth(); + d.d = week.getUTCDate() + (d.w + 6) % 7; + } else { + week = newDate(newYear(d.y)), day$$1 = week.getDay(); + week = day$$1 > 4 || day$$1 === 0 ? monday.ceil(week) : monday(week); + week = day.offset(week, (d.V - 1) * 7); + d.y = week.getFullYear(); + d.m = week.getMonth(); + d.d = week.getDate() + (d.w + 6) % 7; + } + } else if ("W" in d || "U" in d) { + if (!("w" in d)) d.w = "u" in d ? d.u % 7 : "W" in d ? 1 : 0; + day$$1 = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay(); d.m = 0; d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$$1 + 5) % 7 : d.w + d.U * 7 - (day$$1 + 6) % 7; } @@ -12702,7 +12900,7 @@ function formatLocale$1(locale) { var pads = {"-": "", "_": " ", "0": "0"}; var numberRe = /^\s*\d+/; var percentRe = /^%/; -var requoteRe = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; +var requoteRe = /[\\^$*+?|[\]().{}]/g; function pad(value, fill, width) { var sign = value < 0 ? "-" : "", @@ -12725,18 +12923,28 @@ function formatLookup(names) { return map; } -function parseWeekdayNumber(d, string, i) { +function parseWeekdayNumberSunday(d, string, i) { var n = numberRe.exec(string.slice(i, i + 1)); return n ? (d.w = +n[0], i + n[0].length) : -1; } +function parseWeekdayNumberMonday(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 1)); + return n ? (d.u = +n[0], i + n[0].length) : -1; +} + function parseWeekNumberSunday(d, string, i) { - var n = numberRe.exec(string.slice(i)); + var n = numberRe.exec(string.slice(i, i + 2)); return n ? (d.U = +n[0], i + n[0].length) : -1; } +function parseWeekNumberISO(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.V = +n[0], i + n[0].length) : -1; +} + function parseWeekNumberMonday(d, string, i) { - var n = numberRe.exec(string.slice(i)); + var n = numberRe.exec(string.slice(i, i + 2)); return n ? (d.W = +n[0], i + n[0].length) : -1; } @@ -12751,7 +12959,7 @@ function parseYear(d, string, i) { } function parseZone(d, string, i) { - var n = /^(Z)|([+-]\d\d)(?:\:?(\d\d))?/.exec(string.slice(i, i + 6)); + var n = /^(Z)|([+-]\d\d)(?::?(\d\d))?/.exec(string.slice(i, i + 6)); return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; } @@ -12790,11 +12998,26 @@ function parseMilliseconds(d, string, i) { return n ? (d.L = +n[0], i + n[0].length) : -1; } +function parseMicroseconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 6)); + return n ? (d.L = Math.floor(n[0] / 1000), i + n[0].length) : -1; +} + function parseLiteralPercent(d, string, i) { var n = percentRe.exec(string.slice(i, i + 1)); return n ? i + n[0].length : -1; } +function parseUnixTimestamp(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.Q = +n[0], i + n[0].length) : -1; +} + +function parseUnixTimestampSeconds(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.Q = (+n[0]) * 1000, i + n[0].length) : -1; +} + function formatDayOfMonth(d, p) { return pad(d.getDate(), p, 2); } @@ -12815,6 +13038,10 @@ function formatMilliseconds(d, p) { return pad(d.getMilliseconds(), p, 3); } +function formatMicroseconds(d, p) { + return formatMilliseconds(d, p) + "000"; +} + function formatMonthNumber(d, p) { return pad(d.getMonth() + 1, p, 2); } @@ -12827,11 +13054,22 @@ function formatSeconds(d, p) { return pad(d.getSeconds(), p, 2); } +function formatWeekdayNumberMonday(d) { + var day$$1 = d.getDay(); + return day$$1 === 0 ? 7 : day$$1; +} + function formatWeekNumberSunday(d, p) { return pad(sunday.count(year(d), d), p, 2); } -function formatWeekdayNumber(d) { +function formatWeekNumberISO(d, p) { + var day$$1 = d.getDay(); + d = (day$$1 >= 4 || day$$1 === 0) ? thursday(d) : thursday.ceil(d); + return pad(thursday.count(year(d), d) + (year(d).getDay() === 4), p, 2); +} + +function formatWeekdayNumberSunday(d) { return d.getDay(); } @@ -12874,6 +13112,10 @@ function formatUTCMilliseconds(d, p) { return pad(d.getUTCMilliseconds(), p, 3); } +function formatUTCMicroseconds(d, p) { + return formatUTCMilliseconds(d, p) + "000"; +} + function formatUTCMonthNumber(d, p) { return pad(d.getUTCMonth() + 1, p, 2); } @@ -12886,11 +13128,22 @@ function formatUTCSeconds(d, p) { return pad(d.getUTCSeconds(), p, 2); } +function formatUTCWeekdayNumberMonday(d) { + var dow = d.getUTCDay(); + return dow === 0 ? 7 : dow; +} + function formatUTCWeekNumberSunday(d, p) { return pad(utcSunday.count(utcYear(d), d), p, 2); } -function formatUTCWeekdayNumber(d) { +function formatUTCWeekNumberISO(d, p) { + var day$$1 = d.getUTCDay(); + d = (day$$1 >= 4 || day$$1 === 0) ? utcThursday(d) : utcThursday.ceil(d); + return pad(utcThursday.count(utcYear(d), d) + (utcYear(d).getUTCDay() === 4), p, 2); +} + +function formatUTCWeekdayNumberSunday(d) { return d.getUTCDay(); } @@ -12914,7 +13167,15 @@ function formatLiteralPercent() { return "%"; } -var locale$2; +function formatUnixTimestamp(d) { + return +d; +} + +function formatUnixTimestampSeconds(d) { + return Math.floor(+d / 1000); +} + +var locale$1; @@ -12932,12 +13193,12 @@ defaultLocale$1({ }); function defaultLocale$1(definition) { - locale$2 = formatLocale$1(definition); - exports.timeFormat = locale$2.format; - exports.timeParse = locale$2.parse; - exports.utcFormat = locale$2.utcFormat; - exports.utcParse = locale$2.utcParse; - return locale$2; + locale$1 = formatLocale$1(definition); + exports.timeFormat = locale$1.format; + exports.timeParse = locale$1.parse; + exports.utcFormat = locale$1.utcFormat; + exports.utcParse = locale$1.utcParse; + return locale$1; } var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; @@ -13037,7 +13298,7 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 step = i[1]; interval = i[0]; } else { - step = tickStep(start, stop, interval); + step = Math.max(tickStep(start, stop, interval), 1); interval = millisecond$$1; } } @@ -13083,19 +13344,19 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 return scale; } -var time = function() { +function time() { return calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]); -}; +} -var utcTime = function() { +function utcTime() { return calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); -}; +} -var colors = function(s) { +function colors(s) { return s.match(/.{6}/g).map(function(x) { return "#" + x; }); -}; +} var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); @@ -13113,14 +13374,14 @@ var cool = cubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); var rainbow = cubehelix(); -var rainbow$1 = function(t) { +function rainbow$1(t) { if (t < 0 || t > 1) t -= Math.floor(t); var ts = Math.abs(t - 0.5); rainbow.h = 360 * t - 100; rainbow.s = 1.5 - 1.5 * ts; rainbow.l = 0.8 - 0.9 * ts; return rainbow + ""; -}; +} function ramp(range) { var n = range.length; @@ -13166,11 +13427,11 @@ function sequential(interpolator) { return linearish(scale); } -var constant$10 = function(x) { +function constant$10(x) { return function constant() { return x; }; -}; +} var abs$1 = Math.abs; var atan2$1 = Math.atan2; @@ -13263,7 +13524,7 @@ function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { }; } -var arc = function() { +function arc() { var innerRadius = arcInnerRadius, outerRadius = arcOuterRadius, cornerRadius = constant$10(0), @@ -13443,11 +13704,11 @@ var arc = function() { }; arc.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), arc) : context; + return arguments.length ? (context = _ == null ? null : _, arc) : context; }; return arc; -}; +} function Linear(context) { this._context = context; @@ -13477,11 +13738,11 @@ Linear.prototype = { } }; -var curveLinear = function(context) { +function curveLinear(context) { return new Linear(context); -}; +} -function x$4(p) { +function x$3(p) { return p[0]; } @@ -13489,8 +13750,8 @@ function y$3(p) { return p[1]; } -var line = function() { - var x$$1 = x$4, +function line() { + var x$$1 = x$3, y$$1 = y$3, defined = constant$10(true), context = null, @@ -13538,10 +13799,10 @@ var line = function() { }; return line; -}; +} -var area$2 = function() { - var x0 = x$4, +function area$2() { + var x0 = x$3, x1 = null, y0 = constant$10(0), y1 = y$3, @@ -13642,17 +13903,17 @@ var area$2 = function() { }; return area; -}; +} -var descending$1 = function(a, b) { +function descending$1(a, b) { return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; -}; +} -var identity$7 = function(d) { +function identity$7(d) { return d; -}; +} -var pie = function() { +function pie() { var value = identity$7, sortValues = descending$1, sort = null, @@ -13725,7 +13986,7 @@ var pie = function() { }; return pie; -}; +} var curveRadialLinear = curveRadial(curveLinear); @@ -13775,11 +14036,11 @@ function lineRadial(l) { return l; } -var lineRadial$1 = function() { +function lineRadial$1() { return lineRadial(line().curve(curveRadialLinear)); -}; +} -var areaRadial = function() { +function areaRadial() { var a = area$2().curve(curveRadialLinear), c = a.curve, x0 = a.lineX0, @@ -13803,11 +14064,11 @@ var areaRadial = function() { }; return a; -}; +} -var pointRadial = function(x, y) { +function pointRadial(x, y) { return [(y = +y) * Math.cos(x -= Math.PI / 2), y * Math.sin(x)]; -}; +} var slice$6 = Array.prototype.slice; @@ -13822,7 +14083,7 @@ function linkTarget(d) { function link$2(curve) { var source = linkSource, target = linkTarget, - x$$1 = x$4, + x$$1 = x$3, y$$1 = y$3, context = null; @@ -13850,7 +14111,7 @@ function link$2(curve) { }; link.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), link) : context; + return arguments.length ? (context = _ == null ? null : _, link) : context; }; return link; @@ -14012,7 +14273,7 @@ var symbols = [ wye ]; -var symbol = function() { +function symbol() { var type = constant$10(circle$2), size = constant$10(64), context = null; @@ -14037,9 +14298,9 @@ var symbol = function() { }; return symbol; -}; +} -var noop$2 = function() {}; +function noop$2() {} function point$2(that, x, y) { that._context.bezierCurveTo( @@ -14089,9 +14350,9 @@ Basis.prototype = { } }; -var basis$2 = function(context) { +function basis$2(context) { return new Basis(context); -}; +} function BasisClosed(context) { this._context = context; @@ -14139,9 +14400,9 @@ BasisClosed.prototype = { } }; -var basisClosed$1 = function(context) { +function basisClosed$1(context) { return new BasisClosed(context); -}; +} function BasisOpen(context) { this._context = context; @@ -14177,9 +14438,9 @@ BasisOpen.prototype = { } }; -var basisOpen = function(context) { +function basisOpen(context) { return new BasisOpen(context); -}; +} function Bundle(context, beta) { this._basis = new Basis(context); @@ -14642,9 +14903,9 @@ LinearClosed.prototype = { } }; -var linearClosed = function(context) { +function linearClosed(context) { return new LinearClosed(context); -}; +} function sign$1(x) { return x < 0 ? -1 : 1; @@ -14813,9 +15074,9 @@ function controlPoints(x) { return [a, b]; } -var natural = function(context) { +function natural(context) { return new Natural(context); -}; +} function Step(context, t) { this._context = context; @@ -14859,9 +15120,9 @@ Step.prototype = { } }; -var step = function(context) { +function step(context) { return new Step(context, 0.5); -}; +} function stepBefore(context) { return new Step(context, 0); @@ -14871,7 +15132,7 @@ function stepAfter(context) { return new Step(context, 1); } -var none$1 = function(series, order) { +function none$1(series, order) { if (!((n = series.length) > 1)) return; for (var i = 1, j, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { s0 = s1, s1 = series[order[i]]; @@ -14879,19 +15140,19 @@ var none$1 = function(series, order) { s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; } } -}; +} -var none$2 = function(series) { +function none$2(series) { var n = series.length, o = new Array(n); while (--n >= 0) o[n] = n; return o; -}; +} function stackValue(d, key) { return d[key]; } -var stack = function() { +function stack() { var keys = constant$10([]), order = none$2, offset = none$1, @@ -14938,18 +15199,18 @@ var stack = function() { }; return stack; -}; +} -var expand = function(series, order) { +function expand(series, order) { if (!((n = series.length) > 0)) return; for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; } none$1(series, order); -}; +} -var diverging = function(series, order) { +function diverging(series, order) { if (!((n = series.length) > 1)) return; for (var i, j = 0, d, dy, yp, yn, n, m = series[order[0]].length; j < m; ++j) { for (yp = yn = 0, i = 0; i < n; ++i) { @@ -14962,18 +15223,18 @@ var diverging = function(series, order) { } } } -}; +} -var silhouette = function(series, order) { +function silhouette(series, order) { if (!((n = series.length) > 0)) return; for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; s0[j][1] += s0[j][0] = -y / 2; } none$1(series, order); -}; +} -var wiggle = function(series, order) { +function wiggle(series, order) { if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; for (var y = 0, j = 1, s0, m, n; j < m; ++j) { for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { @@ -14994,12 +15255,12 @@ var wiggle = function(series, order) { } s0[j - 1][1] += s0[j - 1][0] = y; none$1(series, order); -}; +} -var ascending$2 = function(series) { +function ascending$2(series) { var sums = series.map(sum$2); return none$2(series).sort(function(a, b) { return sums[a] - sums[b]; }); -}; +} function sum$2(series) { var s = 0, i = -1, n = series.length, v; @@ -15007,11 +15268,11 @@ function sum$2(series) { return s; } -var descending$2 = function(series) { +function descending$2(series) { return ascending$2(series).reverse(); -}; +} -var insideOut = function(series) { +function insideOut(series) { var n = series.length, i, j, @@ -15034,19 +15295,19 @@ var insideOut = function(series) { } return bottoms.reverse().concat(tops); -}; +} -var reverse = function(series) { +function reverse(series) { return none$2(series).reverse(); -}; +} -var constant$11 = function(x) { +function constant$11(x) { return function() { return x; }; -}; +} -function x$5(d) { +function x$4(d) { return d[0]; } @@ -15982,8 +16243,8 @@ Diagram.prototype = { } }; -var voronoi = function() { - var x$$1 = x$5, +function voronoi() { + var x$$1 = x$4, y$$1 = y$4, extent = null; @@ -16025,13 +16286,13 @@ var voronoi = function() { }; return voronoi; -}; +} -var constant$12 = function(x) { +function constant$12(x) { return function() { return x; }; -}; +} function ZoomEvent(target, type, transform) { this.target = target; @@ -16094,10 +16355,10 @@ function nopropagation$2() { exports.event.stopImmediatePropagation(); } -var noevent$2 = function() { +function noevent$2() { exports.event.preventDefault(); exports.event.stopImmediatePropagation(); -}; +} // Ignore right-click, since that should open the context menu. function defaultFilter$2() { @@ -16125,20 +16386,29 @@ function defaultWheelDelta() { return -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500; } -function touchable$1() { +function defaultTouchable$1() { return "ontouchstart" in this; } -var zoom = function() { +function defaultConstrain(transform$$1, extent, translateExtent) { + var dx0 = transform$$1.invertX(extent[0][0]) - translateExtent[0][0], + dx1 = transform$$1.invertX(extent[1][0]) - translateExtent[1][0], + dy0 = transform$$1.invertY(extent[0][1]) - translateExtent[0][1], + dy1 = transform$$1.invertY(extent[1][1]) - translateExtent[1][1]; + return transform$$1.translate( + dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1), + dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1) + ); +} + +function zoom() { var filter = defaultFilter$2, extent = defaultExtent$1, + constrain = defaultConstrain, wheelDelta = defaultWheelDelta, - k0 = 0, - k1 = Infinity, - x0 = -k1, - x1 = k1, - y0 = x0, - y1 = x1, + touchable = defaultTouchable$1, + scaleExtent = [0, Infinity], + translateExtent = [[-Infinity, -Infinity], [Infinity, Infinity]], duration = 250, interpolate = interpolateZoom, gestures = [], @@ -16155,7 +16425,7 @@ var zoom = function() { .on("wheel.zoom", wheeled) .on("mousedown.zoom", mousedowned) .on("dblclick.zoom", dblclicked) - .filter(touchable$1) + .filter(touchable) .on("touchstart.zoom", touchstarted) .on("touchmove.zoom", touchmoved) .on("touchend.zoom touchcancel.zoom", touchended) @@ -16193,7 +16463,7 @@ var zoom = function() { p0 = centroid(e), p1 = t0.invert(p0), k1 = typeof k === "function" ? k.apply(this, arguments) : k; - return constrain(translate(scale(t0, k1), p0, p1), e); + return constrain(translate(scale(t0, k1), p0, p1), e, translateExtent); }); }; @@ -16202,7 +16472,7 @@ var zoom = function() { return constrain(this.__zoom.translate( typeof x === "function" ? x.apply(this, arguments) : x, typeof y === "function" ? y.apply(this, arguments) : y - ), extent.apply(this, arguments)); + ), extent.apply(this, arguments), translateExtent); }); }; @@ -16214,12 +16484,12 @@ var zoom = function() { return constrain(identity$8.translate(p[0], p[1]).scale(t.k).translate( typeof x === "function" ? -x.apply(this, arguments) : -x, typeof y === "function" ? -y.apply(this, arguments) : -y - ), e); + ), e, translateExtent); }); }; function scale(transform$$1, k) { - k = Math.max(k0, Math.min(k1, k)); + k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], k)); return k === transform$$1.k ? transform$$1 : new Transform(k, transform$$1.x, transform$$1.y); } @@ -16228,17 +16498,6 @@ var zoom = function() { return x === transform$$1.x && y === transform$$1.y ? transform$$1 : new Transform(transform$$1.k, x, y); } - function constrain(transform$$1, extent) { - var dx0 = transform$$1.invertX(extent[0][0]) - x0, - dx1 = transform$$1.invertX(extent[1][0]) - x1, - dy0 = transform$$1.invertY(extent[0][1]) - y0, - dy1 = transform$$1.invertY(extent[1][1]) - y1; - return transform$$1.translate( - dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1), - dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1) - ); - } - function centroid(extent) { return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; } @@ -16315,7 +16574,7 @@ var zoom = function() { if (!filter.apply(this, arguments)) return; var g = gesture(this, arguments), t = this.__zoom, - k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, wheelDelta.apply(this, arguments)))), + k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], t.k * Math.pow(2, wheelDelta.apply(this, arguments)))), p = mouse(this); // If the mouse is in the same location as before, reuse it. @@ -16339,7 +16598,7 @@ var zoom = function() { noevent$2(); g.wheel = setTimeout(wheelidled, wheelDelay); - g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent)); + g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent, translateExtent)); function wheelidled() { g.wheel = null; @@ -16367,7 +16626,7 @@ var zoom = function() { var dx = exports.event.clientX - x0, dy = exports.event.clientY - y0; g.moved = dx * dx + dy * dy > clickDistance2; } - g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent)); + g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent, translateExtent)); } function mouseupped() { @@ -16384,7 +16643,7 @@ var zoom = function() { p0 = mouse(this), p1 = t0.invert(p0), k1 = t0.k * (exports.event.shiftKey ? 0.5 : 2), - t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments)); + t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments), translateExtent); noevent$2(); if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0); @@ -16448,7 +16707,7 @@ var zoom = function() { } else if (g.touch0) p = g.touch0[0], l = g.touch0[1]; else return; - g.zoom("touch", constrain(translate(t, p, l), g.extent)); + g.zoom("touch", constrain(translate(t, p, l), g.extent, translateExtent)); } function touchended() { @@ -16477,16 +16736,24 @@ var zoom = function() { return arguments.length ? (filter = typeof _ === "function" ? _ : constant$12(!!_), zoom) : filter; }; + zoom.touchable = function(_) { + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$12(!!_), zoom) : touchable; + }; + zoom.extent = function(_) { return arguments.length ? (extent = typeof _ === "function" ? _ : constant$12([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; }; zoom.scaleExtent = function(_) { - return arguments.length ? (k0 = +_[0], k1 = +_[1], zoom) : [k0, k1]; + return arguments.length ? (scaleExtent[0] = +_[0], scaleExtent[1] = +_[1], zoom) : [scaleExtent[0], scaleExtent[1]]; }; zoom.translateExtent = function(_) { - return arguments.length ? (x0 = +_[0][0], x1 = +_[1][0], y0 = +_[0][1], y1 = +_[1][1], zoom) : [[x0, y0], [x1, y1]]; + return arguments.length ? (translateExtent[0][0] = +_[0][0], translateExtent[1][0] = +_[1][0], translateExtent[0][1] = +_[0][1], translateExtent[1][1] = +_[1][1], zoom) : [[translateExtent[0][0], translateExtent[0][1]], [translateExtent[1][0], translateExtent[1][1]]]; + }; + + zoom.constrain = function(_) { + return arguments.length ? (constrain = _, zoom) : constrain; }; zoom.duration = function(_) { @@ -16507,11 +16774,11 @@ var zoom = function() { }; return zoom; -}; +} exports.version = version; -exports.bisect = bisectRight$1; -exports.bisectRight = bisectRight$1; +exports.bisect = bisectRight; +exports.bisectRight = bisectRight; exports.bisectLeft = bisectLeft; exports.ascending = ascending; exports.bisector = bisector; @@ -16617,8 +16884,9 @@ exports.forceCenter = center$1; exports.forceCollide = collide; exports.forceLink = link; exports.forceManyBody = manyBody; +exports.forceRadial = radial; exports.forceSimulation = simulation; -exports.forceX = x$3; +exports.forceX = x$2; exports.forceY = y$2; exports.formatDefaultLocale = defaultLocale; exports.formatLocale = formatLocale; @@ -16630,7 +16898,10 @@ exports.geoArea = area; exports.geoBounds = bounds; exports.geoCentroid = centroid; exports.geoCircle = circle; +exports.geoClipAntimeridian = clipAntimeridian; +exports.geoClipCircle = clipCircle; exports.geoClipExtent = extent$1; +exports.geoClipRectangle = clipRectangle; exports.geoContains = contains; exports.geoDistance = distance; exports.geoGraticule = graticule; @@ -16659,6 +16930,8 @@ exports.geoProjection = projection; exports.geoProjectionMutator = projectionMutator; exports.geoMercator = mercator; exports.geoMercatorRaw = mercatorRaw; +exports.geoNaturalEarth1 = naturalEarth1; +exports.geoNaturalEarth1Raw = naturalEarth1Raw; exports.geoOrthographic = orthographic; exports.geoOrthographicRaw = orthographicRaw; exports.geoStereographic = stereographic; @@ -16754,12 +17027,14 @@ exports.interpolateMagma = magma; exports.interpolateInferno = inferno; exports.interpolatePlasma = plasma; exports.scaleSequential = sequential; +exports.create = create; exports.creator = creator; exports.local = local$1; exports.matcher = matcher$1; exports.mouse = mouse; exports.namespace = namespace; exports.namespaces = namespaces; +exports.clientPoint = point; exports.select = select; exports.selectAll = selectAll; exports.selection = selection; diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index 2135fcb..607d187 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,2 +1,2 @@ -// https://d3js.org Version 4.10.2. 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3:this._point=4;default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};tc.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var r,i=t[0],o=n[0],u=t[e]-i,a=n[e]-o,c=-1;++c<=e;)r=c/e,this._basis.point(this._beta*t[c]+(1-this._beta)*(i+r*u),this._beta*n[c]+(1-this._beta)*(o+r*a));this._x=this._y=null,this._basis.lineEnd()},point:function(t,n){this._x.push(+t),this._y.push(+n)}};var Gg=function t(n){function e(t){return 1===n?new Ja(t):new tc(t,n)}return e.beta=function(n){return t(+n)},e}(.85);ec.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:nc(this,this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2,this._x1=t,this._y1=n;break;case 2:this._point=3;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Jg=function t(n){function e(t){return new ec(t,n)}return e.tension=function(n){return t(+n)},e}(0);rc.prototype={areaStart:Zg,areaEnd:Zg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Qg=function t(n){function e(t){return new rc(t,n)}return e.tension=function(n){return t(+n)},e}(0);ic.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Kg=function t(n){function e(t){return new ic(t,n)}return e.tension=function(n){return t(+n)},e}(0);uc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var tm=function t(n){function e(t){return n?new uc(t,n):new ec(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);ac.prototype={areaStart:Zg,areaEnd:Zg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var nm=function t(n){function e(t){return n?new ac(t,n):new rc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);cc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var em=function t(n){function e(t){return n?new cc(t,n):new ic(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);sc.prototype={areaStart:Zg,areaEnd:Zg,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}};dc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:pc(this,this._t0,hc(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,pc(this,hc(this,e=lc(this,t,n)),e);break;default:pc(this,this._t0,e=lc(this,t,n))}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n,this._t0=e}}},(vc.prototype=Object.create(dc.prototype)).point=function(t,n){dc.prototype.point.call(this,n,t)},_c.prototype={moveTo:function(t,n){this._context.moveTo(n,t)},closePath:function(){this._context.closePath()},lineTo:function(t,n){this._context.lineTo(n,t)},bezierCurveTo:function(t,n,e,r,i,o){this._context.bezierCurveTo(n,t,r,e,o,i)}},yc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=[],this._y=[]},lineEnd:function(){var t=this._x,n=this._y,e=t.length;if(e)if(this._line?this._context.lineTo(t[0],n[0]):this._context.moveTo(t[0],n[0]),2===e)this._context.lineTo(t[1],n[1]);else for(var r=gc(t),i=gc(n),o=0,u=1;u=0&&(this._t=1-this._t,this._line=1-this._line)},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:if(this._t<=0)this._context.lineTo(this._x,n),this._context.lineTo(t,n);else{var e=this._x*(1-this._t)+t*this._t;this._context.lineTo(e,this._y),this._context.lineTo(e,n)}}this._x=t,this._y=n}};var rm=function(t,n){if((i=t.length)>1)for(var e,r,i,o=1,u=t[n[0]],a=u.length;o=0;)e[n]=n;return e},om=function(t){var n=t.map(bc);return im(t).sort(function(t,e){return n[t]-n[e]})},um=function(t){return function(){return t}};Tc.prototype={constructor:Tc,insert:function(t,n){var e,r,i;if(t){if(n.P=t,n.N=t.N,t.N&&(t.N.P=n),t.N=n,t.R){for(t=t.R;t.L;)t=t.L;t.L=n}else t.R=n;e=t}else 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if((n=i.L).C&&(n.C=!1,i.C=!0,Sc(this,i),n=i.L),n.L&&n.L.C||n.R&&n.R.C){n.L&&n.L.C||(n.R.C=!1,n.C=!0,Nc(this,n),n=i.L),n.C=i.C,i.C=n.L.C=!1,Sc(this,i),t=this._;break}n.C=!0,t=i,i=i.U}while(!t.C);t&&(t.C=!1)}}};var am,cm,sm,fm,lm,hm=[],pm=[],dm=1e-6,vm=1e-12;Kc.prototype={constructor:Kc,polygons:function(){var t=this.edges;return this.cells.map(function(n){var e=n.halfedges.map(function(e){return Dc(n,t[e])});return e.data=n.site.data,e})},triangles:function(){var t=[],n=this.edges;return this.cells.forEach(function(e,r){if(o=(i=e.halfedges).length)for(var i,o,u,a=e.site,c=-1,s=n[i[o-1]],f=s.left===a?s.right:s.left;++c=a)return null;var c=t-i.site[0],s=n-i.site[1],f=c*c+s*s;do{i=o.cells[r=u],u=null,i.halfedges.forEach(function(e){var r=o.edges[e],a=r.left;if(a!==i.site&&a||(a=r.right)){var c=t-a[0],s=n-a[1],l=c*c+s*s;lt?1:n>=t?0:NaN},t.deviation=_s,t.extent=ys,t.histogram=function(){function t(t){var o,u,a=t.length,c=new Array(a);for(o=0;ol;)h.pop(),--p;var d,v=new 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0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:this._context.lineTo(t,n)}}};var u_=pc(oc);hc.prototype={areaStart:function(){this._curve.areaStart()},areaEnd:function(){this._curve.areaEnd()},lineStart:function(){this._curve.lineStart()},lineEnd:function(){this._curve.lineEnd()},point:function(t,n){this._curve.point(n*Math.sin(t),n*-Math.cos(t))}};var a_=Array.prototype.slice,c_={draw:function(t,n){var e=Math.sqrt(n/r_);t.moveTo(e,0),t.arc(0,0,e,0,o_)}},s_={draw:function(t,n){var e=Math.sqrt(n/5)/2;t.moveTo(-3*e,-e),t.lineTo(-e,-e),t.lineTo(-e,-3*e),t.lineTo(e,-3*e),t.lineTo(e,-e),t.lineTo(3*e,-e),t.lineTo(3*e,e),t.lineTo(e,e),t.lineTo(e,3*e),t.lineTo(-e,3*e),t.lineTo(-e,e),t.lineTo(-3*e,e),t.closePath()}},f_=Math.sqrt(1/3),l_=2*f_,h_={draw:function(t,n){var e=Math.sqrt(n/l_),r=e*f_;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},p_=Math.sin(r_/10)/Math.sin(7*r_/10),d_=Math.sin(o_/10)*p_,v_=-Math.cos(o_/10)*p_,g_={draw:function(t,n){var e=Math.sqrt(.8908130915292852*n),r=d_*e,i=v_*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var u=o_*o/5,a=Math.cos(u),c=Math.sin(u);t.lineTo(c*e,-a*e),t.lineTo(a*r-c*i,c*r+a*i)}t.closePath()}},__={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},y_=Math.sqrt(3),m_={draw:function(t,n){var e=-Math.sqrt(n/(3*y_));t.moveTo(0,2*e),t.lineTo(-y_*e,-e),t.lineTo(y_*e,-e),t.closePath()}},x_=Math.sqrt(3)/2,b_=1/Math.sqrt(12),w_=3*(b_/2+1),M_={draw:function(t,n){var e=Math.sqrt(n/w_),r=e/2,i=e*b_,o=r,u=e*b_+e,a=-o,c=u;t.moveTo(r,i),t.lineTo(o,u),t.lineTo(a,c),t.lineTo(-.5*r-x_*i,x_*r+-.5*i),t.lineTo(-.5*o-x_*u,x_*o+-.5*u),t.lineTo(-.5*a-x_*c,x_*a+-.5*c),t.lineTo(-.5*r+x_*i,-.5*i-x_*r),t.lineTo(-.5*o+x_*u,-.5*u-x_*o),t.lineTo(-.5*a+x_*c,-.5*c-x_*a),t.closePath()}},T_=[c_,s_,h_,__,g_,m_,M_];kc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Nc(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Nc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Sc.prototype={areaStart:Tc,areaEnd:Tc,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Nc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Ec.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Nc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Ac.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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return Math.ceil((max - min) / (2 * (threshold(values, 0.75) - threshold(values, 0.25)) * Math.pow(values.length, -1 / 3))); -}; +} -var scott = function(values, min, max) { +function scott(values, min, max) { return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3))); -}; +} -var max = function(values, valueof) { +function max(values, valueof) { var n = values.length, i = -1, value, @@ -367,9 +368,9 @@ var max = function(values, valueof) { } return max; -}; +} -var mean = function(values, valueof) { +function mean(values, valueof) { var n = values.length, m = n, i = -1, @@ -391,9 +392,9 @@ var mean = function(values, valueof) { } if (m) return sum / m; -}; +} -var median = function(values, valueof) { +function median(values, valueof) { var n = values.length, i = -1, value, @@ -416,9 +417,9 @@ var median = function(values, valueof) { } return threshold(numbers.sort(ascending), 0.5); -}; +} -var merge = function(arrays) { +function merge(arrays) { var n = arrays.length, m, i = -1, @@ -438,9 +439,9 @@ var merge = function(arrays) { } return merged; -}; +} -var min = function(values, valueof) { +function min(values, valueof) { var n = values.length, i = -1, value, @@ -473,15 +474,15 @@ var min = function(values, valueof) { } return min; -}; +} -var permute = function(array, indexes) { +function permute(array, indexes) { var i = indexes.length, permutes = new Array(i); while (i--) permutes[i] = array[indexes[i]]; return permutes; -}; +} -var scan = function(values, compare) { +function scan(values, compare) { if (!(n = values.length)) return; var n, i = 0, @@ -498,9 +499,9 @@ var scan = function(values, compare) { } if (compare(xj, xj) === 0) return j; -}; +} -var shuffle = function(array, i0, i1) { +function shuffle(array, i0, i1) { var m = (i1 == null ? array.length : i1) - (i0 = i0 == null ? 0 : +i0), t, i; @@ -513,9 +514,9 @@ var shuffle = function(array, i0, i1) { } return array; -}; +} -var sum = function(values, valueof) { +function sum(values, valueof) { var n = values.length, i = -1, value, @@ -534,9 +535,9 @@ var sum = function(values, valueof) { } return sum; -}; +} -var transpose = function(matrix) { +function transpose(matrix) { if (!(n = matrix.length)) return []; for (var i = -1, m = min(matrix, length), transpose = new Array(m); ++i < m;) { for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n;) { @@ -544,21 +545,21 @@ var transpose = function(matrix) { } } return transpose; -}; +} function length(d) { return d.length; } -var zip = function() { +function zip() { return transpose(arguments); -}; +} var slice$1 = Array.prototype.slice; -var identity$1 = function(x) { +function identity$1(x) { return x; -}; +} var top = 1; var right = 2; @@ -825,11 +826,11 @@ var namespaces = { xmlns: "http://www.w3.org/2000/xmlns/" }; -var namespace = function(name) { +function namespace(name) { var prefix = name += "", i = prefix.indexOf(":"); if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; -}; +} function creatorInherit(name) { return function() { @@ -847,40 +848,60 @@ function creatorFixed(fullname) { }; } -var creator = function(name) { +function creator(name) { var fullname = namespace(name); return (fullname.local ? creatorFixed : creatorInherit)(fullname); -}; +} -var nextId = 0; +function none() {} -function local$1() { - return new Local; +function selector(selector) { + return selector == null ? none : function() { + return this.querySelector(selector); + }; } -function Local() { - this._ = "@" + (++nextId).toString(36); +function selection_select(select) { + if (typeof select !== "function") select = selector(select); + + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { + if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { + if ("__data__" in node) subnode.__data__ = node.__data__; + subgroup[i] = subnode; + } + } + } + + return new Selection(subgroups, this._parents); } -Local.prototype = local$1.prototype = { - constructor: Local, - get: function(node) { - var id = this._; - while (!(id in node)) if (!(node = node.parentNode)) return; - return node[id]; - }, - set: function(node, value) { - return node[this._] = value; - }, - remove: function(node) { - return this._ in node && delete node[this._]; - }, - toString: function() { - return this._; +function empty$1() { + return []; +} + +function selectorAll(selector) { + return selector == null ? empty$1 : function() { + return this.querySelectorAll(selector); + }; +} + +function selection_selectAll(select) { + if (typeof select !== "function") select = selectorAll(select); + + for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + subgroups.push(select.call(node, node.__data__, i, group)); + parents.push(node); + } + } } -}; + + return new Selection(subgroups, parents); +} var matcher = function(selector) { return function() { @@ -905,257 +926,75 @@ if (typeof document !== "undefined") { var matcher$1 = matcher; -var filterEvents = {}; - -exports.event = null; +function selection_filter(match) { + if (typeof match !== "function") match = matcher$1(match); -if (typeof document !== "undefined") { - var element$1 = document.documentElement; - if (!("onmouseenter" in element$1)) { - filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { + if ((node = group[i]) && match.call(node, node.__data__, i, group)) { + subgroup.push(node); + } + } } + + return new Selection(subgroups, this._parents); } -function filterContextListener(listener, index, group) { - listener = contextListener(listener, index, group); - return function(event) { - var related = event.relatedTarget; - if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { - listener.call(this, event); - } - }; +function sparse(update) { + return new Array(update.length); } -function contextListener(listener, index, group) { - return function(event1) { - var event0 = exports.event; // Events can be reentrant (e.g., focus). - exports.event = event1; - try { - listener.call(this, this.__data__, index, group); - } finally { - exports.event = event0; - } - }; +function selection_enter() { + return new Selection(this._enter || this._groups.map(sparse), this._parents); } -function parseTypenames$1(typenames) { - return typenames.trim().split(/^|\s+/).map(function(t) { - var name = "", i = t.indexOf("."); - if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); - return {type: t, name: name}; - }); +function EnterNode(parent, datum) { + this.ownerDocument = parent.ownerDocument; + this.namespaceURI = parent.namespaceURI; + this._next = null; + this._parent = parent; + this.__data__ = datum; } -function onRemove(typename) { +EnterNode.prototype = { + constructor: EnterNode, + appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, + insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, + querySelector: function(selector) { return this._parent.querySelector(selector); }, + querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } +}; + +function constant$1(x) { return function() { - var on = this.__on; - if (!on) return; - for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { - if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); - } else { - on[++i] = o; - } - } - if (++i) on.length = i; - else delete this.__on; + return x; }; } -function onAdd(typename, value, capture) { - var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; - return function(d, i, group) { - var on = this.__on, o, listener = wrap(value, i, group); - if (on) for (var j = 0, m = on.length; j < m; ++j) { - if ((o = on[j]).type === typename.type && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); - this.addEventListener(o.type, o.listener = listener, o.capture = capture); - o.value = value; - return; - } - } - this.addEventListener(typename.type, listener, capture); - o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; - if (!on) this.__on = [o]; - else on.push(o); - }; -} +var keyPrefix = "$"; // Protect against keys like “__proto__”. -var selection_on = function(typename, value, capture) { - var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t; +function bindIndex(parent, group, enter, update, exit, data) { + var i = 0, + node, + groupLength = group.length, + dataLength = data.length; - if (arguments.length < 2) { - var on = this.node().__on; - if (on) for (var j = 0, m = on.length, o; j < m; ++j) { - for (i = 0, o = on[j]; i < n; ++i) { - if ((t = typenames[i]).type === o.type && t.name === o.name) { - return o.value; - } - } + // Put any non-null nodes that fit into update. + // Put any null nodes into enter. + // Put any remaining data into enter. + for (; i < dataLength; ++i) { + if (node = group[i]) { + node.__data__ = data[i]; + update[i] = node; + } else { + enter[i] = new EnterNode(parent, data[i]); } - return; } - on = value ? onAdd : onRemove; - if (capture == null) capture = false; - for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); - return this; -}; - -function customEvent(event1, listener, that, args) { - var event0 = exports.event; - event1.sourceEvent = exports.event; - exports.event = event1; - try { - return listener.apply(that, args); - } finally { - exports.event = event0; - } -} - -var sourceEvent = function() { - var current = exports.event, source; - while (source = current.sourceEvent) current = source; - return current; -}; - -var point = function(node, event) { - var svg = node.ownerSVGElement || node; - - if (svg.createSVGPoint) { - var point = svg.createSVGPoint(); - point.x = event.clientX, point.y = event.clientY; - point = point.matrixTransform(node.getScreenCTM().inverse()); - return [point.x, point.y]; - } - - var rect = node.getBoundingClientRect(); - return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; -}; - -var mouse = function(node) { - var event = sourceEvent(); - if (event.changedTouches) event = event.changedTouches[0]; - return point(node, event); -}; - -function none() {} - -var selector = function(selector) { - return selector == null ? none : function() { - return this.querySelector(selector); - }; -}; - -var selection_select = function(select) { - if (typeof select !== "function") select = selector(select); - - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { - if ("__data__" in node) subnode.__data__ = node.__data__; - subgroup[i] = subnode; - } - } - } - - return new Selection(subgroups, this._parents); -}; - -function empty$1() { - return []; -} - -var selectorAll = function(selector) { - return selector == null ? empty$1 : function() { - return this.querySelectorAll(selector); - }; -}; - -var selection_selectAll = function(select) { - if (typeof select !== "function") select = selectorAll(select); - - for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - subgroups.push(select.call(node, node.__data__, i, group)); - parents.push(node); - } - } - } - - return new Selection(subgroups, parents); -}; - -var selection_filter = function(match) { - if (typeof match !== "function") match = matcher$1(match); - - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { - if ((node = group[i]) && match.call(node, node.__data__, i, group)) { - subgroup.push(node); - } - } - } - - return new Selection(subgroups, this._parents); -}; - -var sparse = function(update) { - return new Array(update.length); -}; - -var selection_enter = function() { - return new Selection(this._enter || this._groups.map(sparse), this._parents); -}; - -function EnterNode(parent, datum) { - this.ownerDocument = parent.ownerDocument; - this.namespaceURI = parent.namespaceURI; - this._next = null; - this._parent = parent; - this.__data__ = datum; -} - -EnterNode.prototype = { - constructor: EnterNode, - appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, - insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, - querySelector: function(selector) { return this._parent.querySelector(selector); }, - querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } -}; - -var constant$1 = function(x) { - return function() { - return x; - }; -}; - -var keyPrefix = "$"; // Protect against keys like “__proto__”. - -function bindIndex(parent, group, enter, update, exit, data) { - var i = 0, - node, - groupLength = group.length, - dataLength = data.length; - - // Put any non-null nodes that fit into update. - // Put any null nodes into enter. - // Put any remaining data into enter. - for (; i < dataLength; ++i) { - if (node = group[i]) { - node.__data__ = data[i]; - update[i] = node; - } else { - enter[i] = new EnterNode(parent, data[i]); - } - } - - // Put any non-null nodes that don’t fit into exit. - for (; i < groupLength; ++i) { - if (node = group[i]) { - exit[i] = node; - } + // Put any non-null nodes that don’t fit into exit. + for (; i < groupLength; ++i) { + if (node = group[i]) { + exit[i] = node; + } } } @@ -1203,7 +1042,7 @@ function bindKey(parent, group, enter, update, exit, data, key) { } } -var selection_data = function(value, key) { +function selection_data(value, key) { if (!value) { data = new Array(this.size()), j = -1; this.each(function(d) { data[++j] = d; }); @@ -1244,13 +1083,13 @@ var selection_data = function(value, key) { update._enter = enter; update._exit = exit; return update; -}; +} -var selection_exit = function() { +function selection_exit() { return new Selection(this._exit || this._groups.map(sparse), this._parents); -}; +} -var selection_merge = function(selection$$1) { +function selection_merge(selection$$1) { for (var groups0 = this._groups, groups1 = selection$$1._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { @@ -1265,9 +1104,9 @@ var selection_merge = function(selection$$1) { } return new Selection(merges, this._parents); -}; +} -var selection_order = function() { +function selection_order() { for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) { @@ -1279,9 +1118,9 @@ var selection_order = function() { } return this; -}; +} -var selection_sort = function(compare) { +function selection_sort(compare) { if (!compare) compare = ascending$1; function compareNode(a, b) { @@ -1298,26 +1137,26 @@ var selection_sort = function(compare) { } return new Selection(sortgroups, this._parents).order(); -}; +} function ascending$1(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; } -var selection_call = function() { +function selection_call() { var callback = arguments[0]; arguments[0] = this; callback.apply(null, arguments); return this; -}; +} -var selection_nodes = function() { +function selection_nodes() { var nodes = new Array(this.size()), i = -1; this.each(function() { nodes[++i] = this; }); return nodes; -}; +} -var selection_node = function() { +function selection_node() { for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { for (var group = groups[j], i = 0, n = group.length; i < n; ++i) { @@ -1327,19 +1166,19 @@ var selection_node = function() { } return null; -}; +} -var selection_size = function() { +function selection_size() { var size = 0; this.each(function() { ++size; }); return size; -}; +} -var selection_empty = function() { +function selection_empty() { return !this.node(); -}; +} -var selection_each = function(callback) { +function selection_each(callback) { for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { @@ -1348,7 +1187,7 @@ var selection_each = function(callback) { } return this; -}; +} function attrRemove(name) { return function() { @@ -1390,7 +1229,7 @@ function attrFunctionNS(fullname, value) { }; } -var selection_attr = function(name, value) { +function selection_attr(name, value) { var fullname = namespace(name); if (arguments.length < 2) { @@ -1404,13 +1243,13 @@ var selection_attr = function(name, value) { ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" ? (fullname.local ? attrFunctionNS : attrFunction) : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); -}; +} -var defaultView = function(node) { +function defaultView(node) { return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node || (node.document && node) // node is a Window || node.defaultView; // node is a Document -}; +} function styleRemove(name) { return function() { @@ -1432,14 +1271,14 @@ function styleFunction(name, value, priority) { }; } -var selection_style = function(name, value, priority) { +function selection_style(name, value, priority) { return arguments.length > 1 ? this.each((value == null ? styleRemove : typeof value === "function" ? styleFunction : styleConstant)(name, value, priority == null ? "" : priority)) : styleValue(this.node(), name); -}; +} function styleValue(node, name) { return node.style.getPropertyValue(name) @@ -1466,14 +1305,14 @@ function propertyFunction(name, value) { }; } -var selection_property = function(name, value) { +function selection_property(name, value) { return arguments.length > 1 ? this.each((value == null ? propertyRemove : typeof value === "function" ? propertyFunction : propertyConstant)(name, value)) : this.node()[name]; -}; +} function classArray(string) { return string.trim().split(/^|\s+/); @@ -1536,7 +1375,7 @@ function classedFunction(names, value) { }; } -var selection_classed = function(name, value) { +function selection_classed(name, value) { var names = classArray(name + ""); if (arguments.length < 2) { @@ -1549,7 +1388,7 @@ var selection_classed = function(name, value) { ? classedFunction : value ? classedTrue : classedFalse)(names, value)); -}; +} function textRemove() { this.textContent = ""; @@ -1568,14 +1407,14 @@ function textFunction(value) { }; } -var selection_text = function(value) { +function selection_text(value) { return arguments.length ? this.each(value == null ? textRemove : (typeof value === "function" ? textFunction : textConstant)(value)) : this.node().textContent; -}; +} function htmlRemove() { this.innerHTML = ""; @@ -1594,118 +1433,238 @@ function htmlFunction(value) { }; } -var selection_html = function(value) { +function selection_html(value) { return arguments.length ? this.each(value == null ? htmlRemove : (typeof value === "function" ? htmlFunction : htmlConstant)(value)) : this.node().innerHTML; -}; +} function raise() { if (this.nextSibling) this.parentNode.appendChild(this); } -var selection_raise = function() { +function selection_raise() { return this.each(raise); -}; +} function lower() { if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); } -var selection_lower = function() { +function selection_lower() { return this.each(lower); -}; +} -var selection_append = function(name) { +function selection_append(name) { var create = typeof name === "function" ? name : creator(name); return this.select(function() { return this.appendChild(create.apply(this, arguments)); }); -}; +} function constantNull() { return null; } -var selection_insert = function(name, before) { +function selection_insert(name, before) { var create = typeof name === "function" ? name : creator(name), select = before == null ? constantNull : typeof before === "function" ? before : selector(before); return this.select(function() { return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); }); -}; +} function remove() { var parent = this.parentNode; if (parent) parent.removeChild(this); } -var selection_remove = function() { +function selection_remove() { return this.each(remove); -}; +} + +function selection_cloneShallow() { + return this.parentNode.insertBefore(this.cloneNode(false), this.nextSibling); +} + +function selection_cloneDeep() { + return this.parentNode.insertBefore(this.cloneNode(true), this.nextSibling); +} + +function selection_clone(deep) { + return this.select(deep ? selection_cloneDeep : selection_cloneShallow); +} -var selection_datum = function(value) { +function selection_datum(value) { return arguments.length ? this.property("__data__", value) : this.node().__data__; -}; +} -function dispatchEvent(node, type, params) { - var window = defaultView(node), - event = window.CustomEvent; +var filterEvents = {}; - if (typeof event === "function") { - event = new event(type, params); - } else { - event = window.document.createEvent("Event"); - if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; - else event.initEvent(type, false, false); - } +exports.event = null; - node.dispatchEvent(event); +if (typeof document !== "undefined") { + var element$1 = document.documentElement; + if (!("onmouseenter" in element$1)) { + filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; + } } -function dispatchConstant(type, params) { - return function() { - return dispatchEvent(this, type, params); +function filterContextListener(listener, index, group) { + listener = contextListener(listener, index, group); + return function(event) { + var related = event.relatedTarget; + if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { + listener.call(this, event); + } }; } -function dispatchFunction(type, params) { - return function() { - return dispatchEvent(this, type, params.apply(this, arguments)); +function contextListener(listener, index, group) { + return function(event1) { + var event0 = exports.event; // Events can be reentrant (e.g., focus). + exports.event = event1; + try { + listener.call(this, this.__data__, index, group); + } finally { + exports.event = event0; + } }; } -var selection_dispatch = function(type, params) { - return this.each((typeof params === "function" - ? dispatchFunction - : dispatchConstant)(type, params)); -}; - -var root = [null]; - -function Selection(groups, parents) { - this._groups = groups; - this._parents = parents; -} - -function selection() { - return new Selection([[document.documentElement]], root); +function parseTypenames$1(typenames) { + return typenames.trim().split(/^|\s+/).map(function(t) { + var name = "", i = t.indexOf("."); + if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); + return {type: t, name: name}; + }); } -Selection.prototype = selection.prototype = { - constructor: Selection, - select: selection_select, - selectAll: selection_selectAll, - filter: selection_filter, - data: selection_data, - enter: selection_enter, - exit: selection_exit, - merge: selection_merge, +function onRemove(typename) { + return function() { + var on = this.__on; + if (!on) return; + for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { + if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { + this.removeEventListener(o.type, o.listener, o.capture); + } else { + on[++i] = o; + } + } + if (++i) on.length = i; + else delete this.__on; + }; +} + +function onAdd(typename, value, capture) { + var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; + return function(d, i, group) { + var on = this.__on, o, listener = wrap(value, i, group); + if (on) for (var j = 0, m = on.length; j < m; ++j) { + if ((o = on[j]).type === typename.type && o.name === typename.name) { + this.removeEventListener(o.type, o.listener, o.capture); + this.addEventListener(o.type, o.listener = listener, o.capture = capture); + o.value = value; + return; + } + } + this.addEventListener(typename.type, listener, capture); + o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; + if (!on) this.__on = [o]; + else on.push(o); + }; +} + +function selection_on(typename, value, capture) { + var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t; + + if (arguments.length < 2) { + var on = this.node().__on; + if (on) for (var j = 0, m = on.length, o; j < m; ++j) { + for (i = 0, o = on[j]; i < n; ++i) { + if ((t = typenames[i]).type === o.type && t.name === o.name) { + return o.value; + } + } + } + return; + } + + on = value ? onAdd : onRemove; + if (capture == null) capture = false; + for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); + return this; +} + +function customEvent(event1, listener, that, args) { + var event0 = exports.event; + event1.sourceEvent = exports.event; + exports.event = event1; + try { + return listener.apply(that, args); + } finally { + exports.event = event0; + } +} + +function dispatchEvent(node, type, params) { + var window = defaultView(node), + event = window.CustomEvent; + + if (typeof event === "function") { + event = new event(type, params); + } else { + event = window.document.createEvent("Event"); + if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; + else event.initEvent(type, false, false); + } + + node.dispatchEvent(event); +} + +function dispatchConstant(type, params) { + return function() { + return dispatchEvent(this, type, params); + }; +} + +function dispatchFunction(type, params) { + return function() { + return dispatchEvent(this, type, params.apply(this, arguments)); + }; +} + +function selection_dispatch(type, params) { + return this.each((typeof params === "function" + ? dispatchFunction + : dispatchConstant)(type, params)); +} + +var root = [null]; + +function Selection(groups, parents) { + this._groups = groups; + this._parents = parents; +} + +function selection() { + return new Selection([[document.documentElement]], root); +} + +Selection.prototype = selection.prototype = { + constructor: Selection, + select: selection_select, + selectAll: selection_selectAll, + filter: selection_filter, + data: selection_data, + enter: selection_enter, + exit: selection_exit, + merge: selection_merge, order: selection_order, sort: selection_sort, call: selection_call, @@ -1725,24 +1684,83 @@ Selection.prototype = selection.prototype = { append: selection_append, insert: selection_insert, remove: selection_remove, + clone: selection_clone, datum: selection_datum, on: selection_on, dispatch: selection_dispatch }; -var select = function(selector) { +function select(selector) { return typeof selector === "string" ? new Selection([[document.querySelector(selector)]], [document.documentElement]) : new Selection([[selector]], root); +} + +function create(name) { + return select(creator(name).call(document.documentElement)); +} + +var nextId = 0; + +function local$1() { + return new Local; +} + +function Local() { + this._ = "@" + (++nextId).toString(36); +} + +Local.prototype = local$1.prototype = { + constructor: Local, + get: function(node) { + var id = this._; + while (!(id in node)) if (!(node = node.parentNode)) return; + return node[id]; + }, + set: function(node, value) { + return node[this._] = value; + }, + remove: function(node) { + return this._ in node && delete node[this._]; + }, + toString: function() { + return this._; + } }; -var selectAll = function(selector) { +function sourceEvent() { + var current = exports.event, source; + while (source = current.sourceEvent) current = source; + return current; +} + +function point(node, event) { + var svg = node.ownerSVGElement || node; + + if (svg.createSVGPoint) { + var point = svg.createSVGPoint(); + point.x = event.clientX, point.y = event.clientY; + point = point.matrixTransform(node.getScreenCTM().inverse()); + return [point.x, point.y]; + } + + var rect = node.getBoundingClientRect(); + return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; +} + +function mouse(node) { + var event = sourceEvent(); + if (event.changedTouches) event = event.changedTouches[0]; + return point(node, event); +} + +function selectAll(selector) { return typeof selector === "string" ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) : new Selection([selector == null ? [] : selector], root); -}; +} -var touch = function(node, touches, identifier) { +function touch(node, touches, identifier) { if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) { @@ -1752,9 +1770,9 @@ var touch = function(node, touches, identifier) { } return null; -}; +} -var touches = function(node, touches) { +function touches(node, touches) { if (touches == null) touches = sourceEvent().touches; for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) { @@ -1762,18 +1780,18 @@ var touches = function(node, touches) { } return points; -}; +} function nopropagation() { exports.event.stopImmediatePropagation(); } -var noevent = function() { +function noevent() { exports.event.preventDefault(); exports.event.stopImmediatePropagation(); -}; +} -var dragDisable = function(view) { +function dragDisable(view) { var root = view.document.documentElement, selection = select(view).on("dragstart.drag", noevent, true); if ("onselectstart" in root) { @@ -1782,7 +1800,7 @@ var dragDisable = function(view) { root.__noselect = root.style.MozUserSelect; root.style.MozUserSelect = "none"; } -}; +} function yesdrag(view, noclick) { var root = view.document.documentElement, @@ -1799,11 +1817,11 @@ function yesdrag(view, noclick) { } } -var constant$2 = function(x) { +function constant$2(x) { return function() { return x; }; -}; +} function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) { this.target = target; @@ -1836,14 +1854,15 @@ function defaultSubject(d) { return d == null ? {x: exports.event.x, y: exports.event.y} : d; } -function touchable() { +function defaultTouchable() { return "ontouchstart" in this; } -var drag = function() { +function drag() { var filter = defaultFilter$1, container = defaultContainer, subject = defaultSubject, + touchable = defaultTouchable, gestures = {}, listeners = dispatch("start", "drag", "end"), active = 0, @@ -1967,6 +1986,10 @@ var drag = function() { return arguments.length ? (subject = typeof _ === "function" ? _ : constant$2(_), drag) : subject; }; + drag.touchable = function(_) { + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$2(!!_), drag) : touchable; + }; + drag.on = function() { var value = listeners.on.apply(listeners, arguments); return value === listeners ? drag : value; @@ -1977,12 +2000,12 @@ var drag = function() { }; return drag; -}; +} -var define = function(constructor, factory, prototype) { +function define(constructor, factory, prototype) { constructor.prototype = factory.prototype = prototype; prototype.constructor = constructor; -}; +} function extend(parent, definition) { var prototype = Object.create(parent.prototype); @@ -2493,7 +2516,7 @@ function basis(t1, v0, v1, v2, v3) { + t3 * v3) / 6; } -var basis$1 = function(values) { +function basis$1(values) { var n = values.length - 1; return function(t) { var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n), @@ -2503,9 +2526,9 @@ var basis$1 = function(values) { v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; return basis((t - i / n) * n, v0, v1, v2, v3); }; -}; +} -var basisClosed = function(values) { +function basisClosed(values) { var n = values.length; return function(t) { var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n), @@ -2515,13 +2538,13 @@ var basisClosed = function(values) { v3 = values[(i + 2) % n]; return basis((t - i / n) * n, v0, v1, v2, v3); }; -}; +} -var constant$3 = function(x) { +function constant$3(x) { return function() { return x; }; -}; +} function linear(a, d) { return function(t) { @@ -2602,10 +2625,10 @@ function rgbSpline(spline) { var rgbBasis = rgbSpline(basis$1); var rgbBasisClosed = rgbSpline(basisClosed); -var array$1 = function(a, b) { +function array$1(a, b) { var nb = b ? b.length : 0, na = a ? Math.min(nb, a.length) : 0, - x = new Array(nb), + x = new Array(na), c = new Array(nb), i; @@ -2616,22 +2639,22 @@ var array$1 = function(a, b) { for (i = 0; i < na; ++i) c[i] = x[i](t); return c; }; -}; +} -var date = function(a, b) { +function date(a, b) { var d = new Date; return a = +a, b -= a, function(t) { return d.setTime(a + b * t), d; }; -}; +} -var reinterpolate = function(a, b) { +function reinterpolate(a, b) { return a = +a, b -= a, function(t) { return a + b * t; }; -}; +} -var object = function(a, b) { +function object(a, b) { var i = {}, c = {}, k; @@ -2651,7 +2674,7 @@ var object = function(a, b) { for (k in i) c[k] = i[k](t); return c; }; -}; +} var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; var reB = new RegExp(reA.source, "g"); @@ -2668,7 +2691,7 @@ function one(b) { }; } -var interpolateString = function(a, b) { +function interpolateString(a, b) { var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b am, // current match in a bm, // current match in b @@ -2714,9 +2737,9 @@ var interpolateString = function(a, b) { for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); return s.join(""); }); -}; +} -var interpolateValue = function(a, b) { +function interpolateValue(a, b) { var t = typeof b, c; return b == null || t === "boolean" ? constant$3(b) : (t === "number" ? reinterpolate @@ -2726,13 +2749,13 @@ var interpolateValue = function(a, b) { : Array.isArray(b) ? array$1 : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object : reinterpolate)(a, b); -}; +} -var interpolateRound = function(a, b) { +function interpolateRound(a, b) { return a = +a, b -= a, function(t) { return Math.round(a + b * t); }; -}; +} var degrees = 180 / Math.PI; @@ -2745,7 +2768,7 @@ var identity$2 = { scaleY: 1 }; -var decompose = function(a, b, c, d, e, f) { +function decompose(a, b, c, d, e, f) { var scaleX, scaleY, skewX; if (scaleX = Math.sqrt(a * a + b * b)) a /= scaleX, b /= scaleX; if (skewX = a * c + b * d) c -= a * skewX, d -= b * skewX; @@ -2759,7 +2782,7 @@ var decompose = function(a, b, c, d, e, f) { scaleX: scaleX, scaleY: scaleY }; -}; +} var cssNode; var cssRoot; @@ -2865,7 +2888,7 @@ function tanh(x) { // p0 = [ux0, uy0, w0] // p1 = [ux1, uy1, w1] -var interpolateZoom = function(p0, p1) { +function interpolateZoom(p0, p1) { var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2], dx = ux1 - ux0, @@ -2909,7 +2932,7 @@ var interpolateZoom = function(p0, p1) { i.duration = S * 1000; return i; -}; +} function hsl$1(hue$$1) { return function(start, end) { @@ -2990,11 +3013,11 @@ function cubehelix$1(hue$$1) { var cubehelix$2 = cubehelix$1(hue); var cubehelixLong = cubehelix$1(nogamma); -var quantize = function(interpolator, n) { +function quantize(interpolator, n) { var samples = new Array(n); for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); return samples; -}; +} var frame = 0; var timeout = 0; @@ -3107,7 +3130,7 @@ function sleep(time) { } } -var timeout$1 = function(callback, delay, time) { +function timeout$1(callback, delay, time) { var t = new Timer; delay = delay == null ? 0 : +delay; t.restart(function(elapsed) { @@ -3115,9 +3138,9 @@ var timeout$1 = function(callback, delay, time) { callback(elapsed + delay); }, delay, time); return t; -}; +} -var interval$1 = function(callback, delay, time) { +function interval$1(callback, delay, time) { var t = new Timer, total = delay; if (delay == null) return t.restart(callback, delay, time), t; delay = +delay, time = time == null ? now() : +time; @@ -3127,7 +3150,7 @@ var interval$1 = function(callback, delay, time) { callback(elapsed); }, delay, time); return t; -}; +} var emptyOn = dispatch("start", "end", "interrupt"); var emptyTween = []; @@ -3140,11 +3163,11 @@ var RUNNING = 4; var ENDING = 5; var ENDED = 6; -var schedule = function(node, name, id, index, group, timing) { +function schedule(node, name, id, index, group, timing) { var schedules = node.__transition; if (!schedules) node.__transition = {}; else if (id in schedules) return; - create(node, id, { + create$1(node, id, { name: name, index: index, // For context during callback. group: group, // For context during callback. @@ -3157,27 +3180,27 @@ var schedule = function(node, name, id, index, group, timing) { timer: null, state: CREATED }); -}; +} function init(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id]) || schedule.state > CREATED) throw new Error("too late"); + var schedule = get$1(node, id); + if (schedule.state > CREATED) throw new Error("too late; already scheduled"); return schedule; } function set$1(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id]) || schedule.state > STARTING) throw new Error("too late"); + var schedule = get$1(node, id); + if (schedule.state > STARTING) throw new Error("too late; already started"); return schedule; } function get$1(node, id) { var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id])) throw new Error("too late"); + if (!schedule || !(schedule = schedule[id])) throw new Error("transition not found"); return schedule; } -function create(node, id, self) { +function create$1(node, id, self) { var schedules = node.__transition, tween; @@ -3282,7 +3305,7 @@ function create(node, id, self) { } } -var interrupt = function(node, name) { +function interrupt(node, name) { var schedules = node.__transition, schedule$$1, active, @@ -3303,13 +3326,13 @@ var interrupt = function(node, name) { } if (empty) delete node.__transition; -}; +} -var selection_interrupt = function(name) { +function selection_interrupt(name) { return this.each(function() { interrupt(this, name); }); -}; +} function tweenRemove(id, name) { var tween0, tween1; @@ -3360,7 +3383,7 @@ function tweenFunction(id, name, value) { }; } -var transition_tween = function(name, value) { +function transition_tween(name, value) { var id = this._id; name += ""; @@ -3376,7 +3399,7 @@ var transition_tween = function(name, value) { } return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); -}; +} function tweenValue(transition, name, value) { var id = transition._id; @@ -3391,13 +3414,13 @@ function tweenValue(transition, name, value) { }; } -var interpolate = function(a, b) { +function interpolate(a, b) { var c; return (typeof b === "number" ? reinterpolate : b instanceof color ? interpolateRgb : (c = color(b)) ? (b = c, interpolateRgb) : interpolateString)(a, b); -}; +} function attrRemove$1(name) { return function() { @@ -3461,13 +3484,13 @@ function attrFunctionNS$1(fullname, interpolate$$1, value) { }; } -var transition_attr = function(name, value) { +function transition_attr(name, value) { var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate; return this.attrTween(name, typeof value === "function" ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value + "")); -}; +} function attrTweenNS(fullname, value) { function tween() { @@ -3491,14 +3514,14 @@ function attrTween(name, value) { return tween; } -var transition_attrTween = function(name, value) { +function transition_attrTween(name, value) { var key = "attr." + name; if (arguments.length < 2) return (key = this.tween(key)) && key._value; if (value == null) return this.tween(key, null); if (typeof value !== "function") throw new Error; var fullname = namespace(name); return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value)); -}; +} function delayFunction(id, value) { return function() { @@ -3512,7 +3535,7 @@ function delayConstant(id, value) { }; } -var transition_delay = function(value) { +function transition_delay(value) { var id = this._id; return arguments.length @@ -3520,7 +3543,7 @@ var transition_delay = function(value) { ? delayFunction : delayConstant)(id, value)) : get$1(this.node(), id).delay; -}; +} function durationFunction(id, value) { return function() { @@ -3534,7 +3557,7 @@ function durationConstant(id, value) { }; } -var transition_duration = function(value) { +function transition_duration(value) { var id = this._id; return arguments.length @@ -3542,7 +3565,7 @@ var transition_duration = function(value) { ? durationFunction : durationConstant)(id, value)) : get$1(this.node(), id).duration; -}; +} function easeConstant(id, value) { if (typeof value !== "function") throw new Error; @@ -3551,15 +3574,15 @@ function easeConstant(id, value) { }; } -var transition_ease = function(value) { +function transition_ease(value) { var id = this._id; return arguments.length ? this.each(easeConstant(id, value)) : get$1(this.node(), id).ease; -}; +} -var transition_filter = function(match) { +function transition_filter(match) { if (typeof match !== "function") match = matcher$1(match); for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { @@ -3571,9 +3594,9 @@ var transition_filter = function(match) { } return new Transition(subgroups, this._parents, this._name, this._id); -}; +} -var transition_merge = function(transition$$1) { +function transition_merge(transition$$1) { if (transition$$1._id !== this._id) throw new Error; for (var groups0 = this._groups, groups1 = transition$$1._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { @@ -3589,7 +3612,7 @@ var transition_merge = function(transition$$1) { } return new Transition(merges, this._parents, this._name, this._id); -}; +} function start(name) { return (name + "").trim().split(/^|\s+/).every(function(t) { @@ -3614,13 +3637,13 @@ function onFunction(id, name, listener) { }; } -var transition_on = function(name, listener) { +function transition_on(name, listener) { var id = this._id; return arguments.length < 2 ? get$1(this.node(), id).on.on(name) : this.each(onFunction(id, name, listener)); -}; +} function removeFunction(id) { return function() { @@ -3630,11 +3653,11 @@ function removeFunction(id) { }; } -var transition_remove = function() { +function transition_remove() { return this.on("end.remove", removeFunction(this._id)); -}; +} -var transition_select = function(select) { +function transition_select(select) { var name = this._name, id = this._id; @@ -3651,9 +3674,9 @@ var transition_select = function(select) { } return new Transition(subgroups, this._parents, name, id); -}; +} -var transition_selectAll = function(select) { +function transition_selectAll(select) { var name = this._name, id = this._id; @@ -3674,13 +3697,13 @@ var transition_selectAll = function(select) { } return new Transition(subgroups, parents, name, id); -}; +} var Selection$1 = selection.prototype.constructor; -var transition_selection = function() { +function transition_selection() { return new Selection$1(this._groups, this._parents); -}; +} function styleRemove$1(name, interpolate$$1) { var value00, @@ -3726,7 +3749,7 @@ function styleFunction$1(name, interpolate$$1, value) { }; } -var transition_style = function(name, value, priority) { +function transition_style(name, value, priority) { var i = (name += "") === "transform" ? interpolateTransformCss : interpolate; return value == null ? this .styleTween(name, styleRemove$1(name, i)) @@ -3734,7 +3757,7 @@ var transition_style = function(name, value, priority) { : this.styleTween(name, typeof value === "function" ? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) : styleConstant$1(name, i, value + ""), priority); -}; +} function styleTween(name, value, priority) { function tween() { @@ -3747,13 +3770,13 @@ function styleTween(name, value, priority) { return tween; } -var transition_styleTween = function(name, value, priority) { +function transition_styleTween(name, value, priority) { var key = "style." + (name += ""); if (arguments.length < 2) return (key = this.tween(key)) && key._value; if (value == null) return this.tween(key, null); if (typeof value !== "function") throw new Error; return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); -}; +} function textConstant$1(value) { return function() { @@ -3768,13 +3791,13 @@ function textFunction$1(value) { }; } -var transition_text = function(value) { +function transition_text(value) { return this.tween("text", typeof value === "function" ? textFunction$1(tweenValue(this, "text", value)) : textConstant$1(value == null ? "" : value + "")); -}; +} -var transition_transition = function() { +function transition_transition() { var name = this._name, id0 = this._id, id1 = newId(); @@ -3794,7 +3817,7 @@ var transition_transition = function() { } return new Transition(groups, this._parents, name, id1); -}; +} var id = 0; @@ -4070,7 +4093,7 @@ function inherit(node, id) { return timing; } -var selection_transition = function(name) { +function selection_transition(name) { var id, timing; @@ -4089,14 +4112,14 @@ var selection_transition = function(name) { } return new Transition(groups, this._parents, name, id); -}; +} selection.prototype.interrupt = selection_interrupt; selection.prototype.transition = selection_transition; var root$1 = [null]; -var active = function(node, name) { +function active(node, name) { var schedules = node.__transition, schedule$$1, i; @@ -4111,28 +4134,28 @@ var active = function(node, name) { } return null; -}; +} -var constant$4 = function(x) { +function constant$4(x) { return function() { return x; }; -}; +} -var BrushEvent = function(target, type, selection) { +function BrushEvent(target, type, selection) { this.target = target; this.type = type; this.selection = selection; -}; +} function nopropagation$1() { exports.event.stopImmediatePropagation(); } -var noevent$1 = function() { +function noevent$1() { exports.event.preventDefault(); exports.event.stopImmediatePropagation(); -}; +} var MODE_DRAG = {name: "drag"}; var MODE_SPACE = {name: "space"}; @@ -4255,9 +4278,9 @@ function brushY() { return brush$1(Y); } -var brush = function() { +function brush() { return brush$1(XY); -}; +} function brush$1(dim) { var extent = defaultExtent, @@ -4681,7 +4704,7 @@ function compareValue(compare) { }; } -var chord = function() { +function chord() { var padAngle = 0, sortGroups = null, sortSubgroups = null, @@ -4789,15 +4812,15 @@ var chord = function() { }; return chord; -}; +} var slice$2 = Array.prototype.slice; -var constant$5 = function(x) { +function constant$5(x) { return function() { return x; }; -}; +} var pi$2 = Math.PI; var tau$2 = 2 * pi$2; @@ -4948,7 +4971,7 @@ function defaultEndAngle(d) { return d.endAngle; } -var ribbon = function() { +function ribbon() { var source = defaultSource, target = defaultTarget, radius = defaultRadius, @@ -5005,11 +5028,11 @@ var ribbon = function() { }; ribbon.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), ribbon) : context; + return arguments.length ? (context = _ == null ? null : _, ribbon) : context; }; return ribbon; -}; +} var prefix = "$"; @@ -5085,7 +5108,7 @@ function map$1(object, f) { return map; } -var nest = function() { +function nest() { var keys = [], sortKeys = [], sortValues, @@ -5139,7 +5162,7 @@ var nest = function() { sortValues: function(order) { sortValues = order; return nest; }, rollup: function(f) { rollup = f; return nest; } }; -}; +} function createObject() { return {}; @@ -5193,23 +5216,23 @@ function set$2(object, f) { return set; } -var keys = function(map) { +function keys(map) { var keys = []; for (var key in map) keys.push(key); return keys; -}; +} -var values = function(map) { +function values(map) { var values = []; for (var key in map) values.push(map[key]); return values; -}; +} -var entries = function(map) { +function entries(map) { var entries = []; for (var key in map) entries.push({key: key, value: map[key]}); return entries; -}; +} var EOL = {}; var EOF = {}; @@ -5246,7 +5269,7 @@ function inferColumns(rows) { return columns; } -var dsv = function(delimiter) { +function dsv(delimiter) { var reFormat = new RegExp("[\"" + delimiter + "\n\r]"), DELIMITER = delimiter.charCodeAt(0); @@ -5255,7 +5278,7 @@ var dsv = function(delimiter) { if (convert) return convert(row, i - 1); columns = row, convert = f ? customConverter(row, f) : objectConverter(row); }); - rows.columns = columns; + rows.columns = columns || []; return rows; } @@ -5337,7 +5360,7 @@ var dsv = function(delimiter) { format: format, formatRows: formatRows }; -}; +} var csv = dsv(","); @@ -5353,7 +5376,7 @@ var tsvParseRows = tsv.parseRows; var tsvFormat = tsv.format; var tsvFormatRows = tsv.formatRows; -var center$1 = function(x, y) { +function center$1(x, y) { var nodes; if (x == null) x = 0; @@ -5388,23 +5411,23 @@ var center$1 = function(x, y) { }; return force; -}; +} -var constant$6 = function(x) { +function constant$6(x) { return function() { return x; }; -}; +} -var jiggle = function() { +function jiggle() { return (Math.random() - 0.5) * 1e-6; -}; +} -var tree_add = function(d) { +function tree_add(d) { var x = +this._x.call(null, d), y = +this._y.call(null, d); return add(this.cover(x, y), x, y, d); -}; +} function add(tree, x, y, d) { if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points @@ -5486,7 +5509,7 @@ function addAll(data) { return this; } -var tree_cover = function(x, y) { +function tree_cover(x, y) { if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points var x0 = this._x0, @@ -5543,31 +5566,31 @@ var tree_cover = function(x, y) { this._x1 = x1; this._y1 = y1; return this; -}; +} -var tree_data = function() { +function tree_data() { var data = []; this.visit(function(node) { if (!node.length) do data.push(node.data); while (node = node.next) }); return data; -}; +} -var tree_extent = function(_) { +function tree_extent(_) { return arguments.length ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; -}; +} -var Quad = function(node, x0, y0, x1, y1) { +function Quad(node, x0, y0, x1, y1) { this.node = node; this.x0 = x0; this.y0 = y0; this.x1 = x1; this.y1 = y1; -}; +} -var tree_find = function(x, y, radius) { +function tree_find(x, y, radius) { var data, x0 = this._x0, y0 = this._y0, @@ -5634,9 +5657,9 @@ var tree_find = function(x, y, radius) { } return data; -}; +} -var tree_remove = function(d) { +function tree_remove(d) { if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points var parent, @@ -5675,7 +5698,7 @@ var tree_remove = function(d) { if (next = node.next) delete node.next; // If there are multiple coincident points, remove just the point. - if (previous) return (next ? previous.next = next : delete previous.next), this; + if (previous) return next ? previous.next = next : delete previous.next, this; // If this is the root point, remove it. if (!parent) return this._root = next, this; @@ -5692,26 +5715,26 @@ var tree_remove = function(d) { } return this; -}; +} function removeAll(data) { for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); return this; } -var tree_root = function() { +function tree_root() { return this._root; -}; +} -var tree_size = function() { +function tree_size() { var size = 0; this.visit(function(node) { if (!node.length) do ++size; while (node = node.next) }); return size; -}; +} -var tree_visit = function(callback) { +function tree_visit(callback) { var quads = [], q, node = this._root, child, x0, y0, x1, y1; if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); while (q = quads.pop()) { @@ -5724,9 +5747,9 @@ var tree_visit = function(callback) { } } return this; -}; +} -var tree_visitAfter = function(callback) { +function tree_visitAfter(callback) { var quads = [], next = [], q; if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); while (q = quads.pop()) { @@ -5744,23 +5767,23 @@ var tree_visitAfter = function(callback) { callback(q.node, q.x0, q.y0, q.x1, q.y1); } return this; -}; +} function defaultX(d) { return d[0]; } -var tree_x = function(_) { +function tree_x(_) { return arguments.length ? (this._x = _, this) : this._x; -}; +} function defaultY(d) { return d[1]; } -var tree_y = function(_) { +function tree_y(_) { return arguments.length ? (this._y = _, this) : this._y; -}; +} function quadtree(nodes, x, y) { var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); @@ -5823,7 +5846,7 @@ treeProto.visitAfter = tree_visitAfter; treeProto.x = tree_x; treeProto.y = tree_y; -function x$1(d) { +function x(d) { return d.x + d.vx; } @@ -5831,7 +5854,7 @@ function y(d) { return d.y + d.vy; } -var collide = function(radius) { +function collide(radius) { var nodes, radii, strength = 1, @@ -5849,7 +5872,7 @@ var collide = function(radius) { ri2; for (var k = 0; k < iterations; ++k) { - tree = quadtree(nodes, x$1, y).visitAfter(prepare); + tree = quadtree(nodes, x, y).visitAfter(prepare); for (i = 0; i < n; ++i) { node = nodes[i]; ri = radii[node.index], ri2 = ri * ri; @@ -5916,7 +5939,7 @@ var collide = function(radius) { }; return force; -}; +} function index(d) { return d.index; @@ -5928,7 +5951,7 @@ function find(nodeById, nodeId) { return node; } -var link = function(links) { +function link(links) { var id = index, strength = defaultStrength, strengths, @@ -6029,9 +6052,9 @@ var link = function(links) { }; return force; -}; +} -function x$2(d) { +function x$1(d) { return d.x; } @@ -6042,7 +6065,7 @@ function y$1(d) { var initialRadius = 10; var initialAngle = Math.PI * (3 - Math.sqrt(5)); -var simulation = function(nodes) { +function simulation(nodes) { var simulation, alpha = 1, alphaMin = 0.001, @@ -6139,7 +6162,7 @@ var simulation = function(nodes) { }, force: function(name, _) { - return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); + return arguments.length > 1 ? (_ == null ? forces.remove(name) : forces.set(name, initializeForce(_)), simulation) : forces.get(name); }, find: function(x, y, radius) { @@ -6169,9 +6192,9 @@ var simulation = function(nodes) { return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); } }; -}; +} -var manyBody = function() { +function manyBody() { var nodes, node, alpha, @@ -6182,7 +6205,7 @@ var manyBody = function() { theta2 = 0.81; function force(_) { - var i, n = nodes.length, tree = quadtree(nodes, x$2, y$1).visitAfter(accumulate); + var i, n = nodes.length, tree = quadtree(nodes, x$1, y$1).visitAfter(accumulate); for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); } @@ -6194,17 +6217,17 @@ var manyBody = function() { } function accumulate(quad) { - var strength = 0, q, c, x, y, i; + var strength = 0, q, c, weight = 0, x, y, i; // For internal nodes, accumulate forces from child quadrants. if (quad.length) { for (x = y = i = 0; i < 4; ++i) { - if ((q = quad[i]) && (c = q.value)) { - strength += c, x += c * q.x, y += c * q.y; + if ((q = quad[i]) && (c = Math.abs(q.value))) { + strength += q.value, weight += c, x += c * q.x, y += c * q.y; } } - quad.x = x / strength; - quad.y = y / strength; + quad.x = x / weight; + quad.y = y / weight; } // For leaf nodes, accumulate forces from coincident quadrants. @@ -6279,9 +6302,65 @@ var manyBody = function() { }; return force; -}; +} + +function radial(radius, x, y) { + var nodes, + strength = constant$6(0.1), + strengths, + radiuses; + + if (typeof radius !== "function") radius = constant$6(+radius); + if (x == null) x = 0; + if (y == null) y = 0; + + function force(alpha) { + for (var i = 0, n = nodes.length; i < n; ++i) { + var node = nodes[i], + dx = node.x - x || 1e-6, + dy = node.y - y || 1e-6, + r = Math.sqrt(dx * dx + dy * dy), + k = (radiuses[i] - r) * strengths[i] * alpha / r; + node.vx += dx * k; + node.vy += dy * k; + } + } + + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + radiuses = new Array(n); + for (i = 0; i < n; ++i) { + radiuses[i] = +radius(nodes[i], i, nodes); + strengths[i] = isNaN(radiuses[i]) ? 0 : +strength(nodes[i], i, nodes); + } + } + + force.initialize = function(_) { + nodes = _, initialize(); + }; + + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + }; + + force.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : radius; + }; + + force.x = function(_) { + return arguments.length ? (x = +_, force) : x; + }; + + force.y = function(_) { + return arguments.length ? (y = +_, force) : y; + }; + + return force; +} -var x$3 = function(x) { +function x$2(x) { var strength = constant$6(0.1), nodes, strengths, @@ -6319,9 +6398,9 @@ var x$3 = function(x) { }; return force; -}; +} -var y$2 = function(y) { +function y$2(y) { var strength = constant$6(0.1), nodes, strengths, @@ -6359,12 +6438,12 @@ var y$2 = function(y) { }; return force; -}; +} // Computes the decimal coefficient and exponent of the specified number x with // significant digits p, where x is positive and p is in [1, 21] or undefined. // For example, formatDecimal(1.23) returns ["123", 0]. -var formatDecimal = function(x, p) { +function formatDecimal(x, p) { if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity var i, coefficient = x.slice(0, i); @@ -6374,13 +6453,13 @@ var formatDecimal = function(x, p) { coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, +x.slice(i + 1) ]; -}; +} -var exponent$1 = function(x) { +function exponent$1(x) { return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; -}; +} -var formatGroup = function(grouping, thousands) { +function formatGroup(grouping, thousands) { return function(value, width) { var i = value.length, t = [], @@ -6397,17 +6476,17 @@ var formatGroup = function(grouping, thousands) { return t.reverse().join(thousands); }; -}; +} -var formatNumerals = function(numerals) { +function formatNumerals(numerals) { return function(value) { return value.replace(/[0-9]/g, function(i) { return numerals[+i]; }); }; -}; +} -var formatDefault = function(x, p) { +function formatDefault(x, p) { x = x.toPrecision(p); out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) { @@ -6420,11 +6499,11 @@ var formatDefault = function(x, p) { } return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x; -}; +} var prefixExponent; -var formatPrefixAuto = function(x, p) { +function formatPrefixAuto(x, p) { var d = formatDecimal(x, p); if (!d) return x + ""; var coefficient = d[0], @@ -6435,9 +6514,9 @@ var formatPrefixAuto = function(x, p) { : i > n ? coefficient + new Array(i - n + 1).join("0") : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y! -}; +} -var formatRounded = function(x, p) { +function formatRounded(x, p) { var d = formatDecimal(x, p); if (!d) return x + ""; var coefficient = d[0], @@ -6445,7 +6524,7 @@ var formatRounded = function(x, p) { return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) : coefficient + new Array(exponent - coefficient.length + 2).join("0"); -}; +} var formatTypes = { "": formatDefault, @@ -6519,13 +6598,13 @@ FormatSpecifier.prototype.toString = function() { + this.type; }; -var identity$3 = function(x) { +function identity$3(x) { return x; -}; +} var prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; -var formatLocale = function(locale) { +function formatLocale(locale) { var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, currency = locale.currency, decimal = locale.decimal, @@ -6584,7 +6663,7 @@ var formatLocale = function(locale) { // Compute the prefix and suffix. valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; - valueSuffix = valueSuffix + (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + (valueNegative && sign === "(" ? ")" : ""); + valueSuffix = (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + valueSuffix + (valueNegative && sign === "(" ? ")" : ""); // Break the formatted value into the integer “value” part that can be // grouped, and fractional or exponential “suffix” part that is not. @@ -6642,9 +6721,9 @@ var formatLocale = function(locale) { format: newFormat, formatPrefix: formatPrefix }; -}; +} -var locale$1; +var locale; @@ -6656,24 +6735,24 @@ defaultLocale({ }); function defaultLocale(definition) { - locale$1 = formatLocale(definition); - exports.format = locale$1.format; - exports.formatPrefix = locale$1.formatPrefix; - return locale$1; + locale = formatLocale(definition); + exports.format = locale.format; + exports.formatPrefix = locale.formatPrefix; + return locale; } -var precisionFixed = function(step) { +function precisionFixed(step) { return Math.max(0, -exponent$1(Math.abs(step))); -}; +} -var precisionPrefix = function(step, value) { +function precisionPrefix(step, value) { return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step))); -}; +} -var precisionRound = function(step, max) { +function precisionRound(step, max) { step = Math.abs(step), max = Math.abs(max) - step; return Math.max(0, exponent$1(max) - exponent$1(step)) + 1; -}; +} // Adds floating point numbers with twice the normal precision. // Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and @@ -6682,9 +6761,9 @@ var precisionRound = function(step, max) { // Code adapted from GeographicLib by Charles F. F. Karney, // http://geographiclib.sourceforge.net/ -var adder = function() { +function adder() { return new Adder; -}; +} function Adder() { this.reset(); @@ -6816,13 +6895,13 @@ function streamPolygon(coordinates, stream) { stream.polygonEnd(); } -var geoStream = function(object, stream) { +function geoStream(object, stream) { if (object && streamObjectType.hasOwnProperty(object.type)) { streamObjectType[object.type](object, stream); } else { streamGeometry(object, stream); } -}; +} var areaRingSum = adder(); @@ -6888,11 +6967,11 @@ function areaPoint(lambda, phi) { lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; } -var area = function(object) { +function area(object) { areaSum.reset(); geoStream(object, areaStream); return areaSum * 2; -}; +} function spherical(cartesian) { return [atan2(cartesian[1], cartesian[0]), asin(cartesian[2])]; @@ -7064,7 +7143,7 @@ function rangeContains(range, x) { return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; } -var bounds = function(feature) { +function bounds(feature) { var i, n, a, b, merged, deltaMax, delta; phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); @@ -7099,7 +7178,7 @@ var bounds = function(feature) { return lambda0$1 === Infinity || phi0 === Infinity ? [[NaN, NaN], [NaN, NaN]] : [[lambda0$1, phi0], [lambda1, phi1]]; -}; +} var W0; var W1; @@ -7223,7 +7302,7 @@ function centroidRingPoint(lambda, phi) { centroidPointCartesian(x0, y0, z0); } -var centroid = function(object) { +function centroid(object) { W0 = W1 = X0 = Y0 = Z0 = X1 = Y1 = Z1 = @@ -7246,15 +7325,15 @@ var centroid = function(object) { } return [atan2(y, x) * degrees$1, asin(z / sqrt(m)) * degrees$1]; -}; +} -var constant$7 = function(x) { +function constant$7(x) { return function() { return x; }; -}; +} -var compose = function(a, b) { +function compose(a, b) { function compose(x, y) { return x = a(x, y), b(x[0], x[1]); @@ -7265,7 +7344,7 @@ var compose = function(a, b) { }; return compose; -}; +} function rotationIdentity(lambda, phi) { return [lambda > pi$3 ? lambda - tau$3 : lambda < -pi$3 ? lambda + tau$3 : lambda, phi]; @@ -7325,7 +7404,7 @@ function rotationPhiGamma(deltaPhi, deltaGamma) { return rotation; } -var rotation = function(rotate) { +function rotation(rotate) { rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); function forward(coordinates) { @@ -7339,7 +7418,7 @@ var rotation = function(rotate) { }; return forward; -}; +} // Generates a circle centered at [0°, 0°], with a given radius and precision. function circleStream(stream, radius, delta, direction, t0, t1) { @@ -7369,7 +7448,7 @@ function circleRadius(cosRadius, point) { return ((-point[2] < 0 ? -radius : radius) + tau$3 - epsilon$2) % tau$3; } -var circle = function() { +function circle() { var center = constant$7([0, 0]), radius = constant$7(90), precision = constant$7(6), @@ -7407,9 +7486,9 @@ var circle = function() { }; return circle; -}; +} -var clipBuffer = function() { +function clipBuffer() { var lines = [], line; return { @@ -7430,71 +7509,11 @@ var clipBuffer = function() { return result; } }; -}; - -var clipLine = function(a, b, x0, y0, x1, y1) { - var ax = a[0], - ay = a[1], - bx = b[0], - by = b[1], - t0 = 0, - t1 = 1, - dx = bx - ax, - dy = by - ay, - r; - - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; - if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; - return true; -}; +} -var pointEqual = function(a, b) { +function pointEqual(a, b) { return abs(a[0] - b[0]) < epsilon$2 && abs(a[1] - b[1]) < epsilon$2; -}; +} function Intersection(point, points, other, entry) { this.x = point; @@ -7508,7 +7527,7 @@ function Intersection(point, points, other, entry) { // A generalized polygon clipping algorithm: given a polygon that has been cut // into its visible line segments, and rejoins the segments by interpolating // along the clip edge. -var clipPolygon = function(segments, compareIntersection, startInside, interpolate, stream) { +function clipRejoin(segments, compareIntersection, startInside, interpolate, stream) { var subject = [], clip = [], i, @@ -7579,7 +7598,7 @@ var clipPolygon = function(segments, compareIntersection, startInside, interpola } while (!current.v); stream.lineEnd(); } -}; +} function link$1(array) { if (!(n = array.length)) return; @@ -7596,209 +7615,26 @@ function link$1(array) { b.p = a; } -var clipMax = 1e9; -var clipMin = -clipMax; +var sum$1 = adder(); -// TODO Use d3-polygon’s polygonContains here for the ring check? -// TODO Eliminate duplicate buffering in clipBuffer and polygon.push? +function polygonContains(polygon, point) { + var lambda = point[0], + phi = point[1], + normal = [sin$1(lambda), -cos$1(lambda), 0], + angle = 0, + winding = 0; -function clipExtent(x0, y0, x1, y1) { + sum$1.reset(); - function visible(x, y) { - return x0 <= x && x <= x1 && y0 <= y && y <= y1; - } - - function interpolate(from, to, direction, stream) { - var a = 0, a1 = 0; - if (from == null - || (a = corner(from, direction)) !== (a1 = corner(to, direction)) - || comparePoint(from, to) < 0 ^ direction > 0) { - do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); - while ((a = (a + direction + 4) % 4) !== a1); - } else { - stream.point(to[0], to[1]); - } - } - - function corner(p, direction) { - return abs(p[0] - x0) < epsilon$2 ? direction > 0 ? 0 : 3 - : abs(p[0] - x1) < epsilon$2 ? direction > 0 ? 2 : 1 - : abs(p[1] - y0) < epsilon$2 ? direction > 0 ? 1 : 0 - : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon - } - - function compareIntersection(a, b) { - return comparePoint(a.x, b.x); - } - - function comparePoint(a, b) { - var ca = corner(a, 1), - cb = corner(b, 1); - return ca !== cb ? ca - cb - : ca === 0 ? b[1] - a[1] - : ca === 1 ? a[0] - b[0] - : ca === 2 ? a[1] - b[1] - : b[0] - a[0]; - } - - return function(stream) { - var activeStream = stream, - bufferStream = clipBuffer(), - segments, - polygon, - ring, - x__, y__, v__, // first point - x_, y_, v_, // previous point - first, - clean; - - var clipStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: polygonStart, - polygonEnd: polygonEnd - }; - - function point(x, y) { - if (visible(x, y)) activeStream.point(x, y); - } - - function polygonInside() { - var winding = 0; - - for (var i = 0, n = polygon.length; i < n; ++i) { - for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { - a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; - if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } - else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } - } - } - - return winding; - } - - // Buffer geometry within a polygon and then clip it en masse. - function polygonStart() { - activeStream = bufferStream, segments = [], polygon = [], clean = true; - } - - function polygonEnd() { - var startInside = polygonInside(), - cleanInside = clean && startInside, - visible = (segments = merge(segments)).length; - if (cleanInside || visible) { - stream.polygonStart(); - if (cleanInside) { - stream.lineStart(); - interpolate(null, null, 1, stream); - stream.lineEnd(); - } - if (visible) { - clipPolygon(segments, compareIntersection, startInside, interpolate, stream); - } - stream.polygonEnd(); - } - activeStream = stream, segments = polygon = ring = null; - } - - function lineStart() { - clipStream.point = linePoint; - if (polygon) polygon.push(ring = []); - first = true; - v_ = false; - x_ = y_ = NaN; - } - - // TODO rather than special-case polygons, simply handle them separately. - // Ideally, coincident intersection points should be jittered to avoid - // clipping issues. - function lineEnd() { - if (segments) { - linePoint(x__, y__); - if (v__ && v_) bufferStream.rejoin(); - segments.push(bufferStream.result()); - } - clipStream.point = point; - if (v_) activeStream.lineEnd(); - } - - function linePoint(x, y) { - var v = visible(x, y); - if (polygon) ring.push([x, y]); - if (first) { - x__ = x, y__ = y, v__ = v; - first = false; - if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - } - } else { - if (v && v_) activeStream.point(x, y); - else { - var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], - b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; - if (clipLine(a, b, x0, y0, x1, y1)) { - if (!v_) { - activeStream.lineStart(); - activeStream.point(a[0], a[1]); - } - activeStream.point(b[0], b[1]); - if (!v) activeStream.lineEnd(); - clean = false; - } else if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - clean = false; - } - } - } - x_ = x, y_ = y, v_ = v; - } - - return clipStream; - }; -} - -var extent$1 = function() { - var x0 = 0, - y0 = 0, - x1 = 960, - y1 = 500, - cache, - cacheStream, - clip; - - return clip = { - stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = clipExtent(x0, y0, x1, y1)(cacheStream = stream); - }, - extent: function(_) { - return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; - } - }; -}; - -var sum$1 = adder(); - -var polygonContains = function(polygon, point) { - var lambda = point[0], - phi = point[1], - normal = [sin$1(lambda), -cos$1(lambda), 0], - angle = 0, - winding = 0; - - sum$1.reset(); - - for (var i = 0, n = polygon.length; i < n; ++i) { - if (!(m = (ring = polygon[i]).length)) continue; - var ring, - m, - point0 = ring[m - 1], - lambda0 = point0[0], - phi0 = point0[1] / 2 + quarterPi, - sinPhi0 = sin$1(phi0), - cosPhi0 = cos$1(phi0); + for (var i = 0, n = polygon.length; i < n; ++i) { + if (!(m = (ring = polygon[i]).length)) continue; + var ring, + m, + point0 = ring[m - 1], + lambda0 = point0[0], + phi0 = point0[1] / 2 + quarterPi, + sinPhi0 = sin$1(phi0), + cosPhi0 = cos$1(phi0); for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { var point1 = ring[j], @@ -7842,1053 +7678,1293 @@ var polygonContains = function(polygon, point) { // same side as the South pole. return (angle < -epsilon$2 || angle < epsilon$2 && sum$1 < -epsilon$2) ^ (winding & 1); -}; +} -var lengthSum = adder(); -var lambda0$2; -var sinPhi0$1; -var cosPhi0$1; +function clip(pointVisible, clipLine, interpolate, start) { + return function(sink) { + var line = clipLine(sink), + ringBuffer = clipBuffer(), + ringSink = clipLine(ringBuffer), + polygonStarted = false, + polygon, + segments, + ring; -var lengthStream = { - sphere: noop$1, - point: noop$1, - lineStart: lengthLineStart, - lineEnd: noop$1, - polygonStart: noop$1, - polygonEnd: noop$1 -}; + var clip = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + clip.point = pointRing; + clip.lineStart = ringStart; + clip.lineEnd = ringEnd; + segments = []; + polygon = []; + }, + polygonEnd: function() { + clip.point = point; + clip.lineStart = lineStart; + clip.lineEnd = lineEnd; + segments = merge(segments); + var startInside = polygonContains(polygon, start); + if (segments.length) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + clipRejoin(segments, compareIntersection, startInside, interpolate, sink); + } else if (startInside) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); + } + if (polygonStarted) sink.polygonEnd(), polygonStarted = false; + segments = polygon = null; + }, + sphere: function() { + sink.polygonStart(); + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); + sink.polygonEnd(); + } + }; -function lengthLineStart() { - lengthStream.point = lengthPointFirst; - lengthStream.lineEnd = lengthLineEnd; -} + function point(lambda, phi) { + if (pointVisible(lambda, phi)) sink.point(lambda, phi); + } -function lengthLineEnd() { - lengthStream.point = lengthStream.lineEnd = noop$1; -} + function pointLine(lambda, phi) { + line.point(lambda, phi); + } -function lengthPointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi); - lengthStream.point = lengthPoint; -} + function lineStart() { + clip.point = pointLine; + line.lineStart(); + } -function lengthPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var sinPhi = sin$1(phi), - cosPhi = cos$1(phi), - delta = abs(lambda - lambda0$2), - cosDelta = cos$1(delta), - sinDelta = sin$1(delta), - x = cosPhi * sinDelta, - y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, - z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; - lengthSum.add(atan2(sqrt(x * x + y * y), z)); - lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; -} + function lineEnd() { + clip.point = point; + line.lineEnd(); + } -var length$1 = function(object) { - lengthSum.reset(); - geoStream(object, lengthStream); - return +lengthSum; -}; + function pointRing(lambda, phi) { + ring.push([lambda, phi]); + ringSink.point(lambda, phi); + } -var coordinates = [null, null]; -var object$1 = {type: "LineString", coordinates: coordinates}; + function ringStart() { + ringSink.lineStart(); + ring = []; + } -var distance = function(a, b) { - coordinates[0] = a; - coordinates[1] = b; - return length$1(object$1); -}; + function ringEnd() { + pointRing(ring[0][0], ring[0][1]); + ringSink.lineEnd(); -var containsObjectType = { - Feature: function(object, point) { - return containsGeometry(object.geometry, point); - }, - FeatureCollection: function(object, point) { - var features = object.features, i = -1, n = features.length; - while (++i < n) if (containsGeometry(features[i].geometry, point)) return true; - return false; - } -}; + var clean = ringSink.clean(), + ringSegments = ringBuffer.result(), + i, n = ringSegments.length, m, + segment, + point; -var containsGeometryType = { - Sphere: function() { - return true; - }, - Point: function(object, point) { - return containsPoint(object.coordinates, point); - }, - MultiPoint: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsPoint(coordinates[i], point)) return true; - return false; - }, - LineString: function(object, point) { - return containsLine(object.coordinates, point); - }, - MultiLineString: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsLine(coordinates[i], point)) return true; - return false; - }, - Polygon: function(object, point) { - return containsPolygon(object.coordinates, point); - }, - MultiPolygon: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsPolygon(coordinates[i], point)) return true; - return false; - }, - GeometryCollection: function(object, point) { - var geometries = object.geometries, i = -1, n = geometries.length; - while (++i < n) if (containsGeometry(geometries[i], point)) return true; - return false; - } -}; + ring.pop(); + polygon.push(ring); + ring = null; -function containsGeometry(geometry, point) { - return geometry && containsGeometryType.hasOwnProperty(geometry.type) - ? containsGeometryType[geometry.type](geometry, point) - : false; -} + if (!n) return; -function containsPoint(coordinates, point) { - return distance(coordinates, point) === 0; -} + // No intersections. + if (clean & 1) { + segment = ringSegments[0]; + if ((m = segment.length - 1) > 0) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); + sink.lineEnd(); + } + return; + } -function containsLine(coordinates, point) { - var ab = distance(coordinates[0], coordinates[1]), - ao = distance(coordinates[0], point), - ob = distance(point, coordinates[1]); - return ao + ob <= ab + epsilon$2; -} + // Rejoin connected segments. + // TODO reuse ringBuffer.rejoin()? + if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); -function containsPolygon(coordinates, point) { - return !!polygonContains(coordinates.map(ringRadians), pointRadians(point)); + segments.push(ringSegments.filter(validSegment)); + } + + return clip; + }; } -function ringRadians(ring) { - return ring = ring.map(pointRadians), ring.pop(), ring; +function validSegment(segment) { + return segment.length > 1; } -function pointRadians(point) { - return [point[0] * radians, point[1] * radians]; +// Intersections are sorted along the clip edge. For both antimeridian cutting +// and circle clipping, the same comparison is used. +function compareIntersection(a, b) { + return ((a = a.x)[0] < 0 ? a[1] - halfPi$2 - epsilon$2 : halfPi$2 - a[1]) + - ((b = b.x)[0] < 0 ? b[1] - halfPi$2 - epsilon$2 : halfPi$2 - b[1]); } -var contains = function(object, point) { - return (object && containsObjectType.hasOwnProperty(object.type) - ? containsObjectType[object.type] - : containsGeometry)(object, point); -}; +var clipAntimeridian = clip( + function() { return true; }, + clipAntimeridianLine, + clipAntimeridianInterpolate, + [-pi$3, -halfPi$2] +); -function graticuleX(y0, y1, dy) { - var y = sequence(y0, y1 - epsilon$2, dy).concat(y1); - return function(x) { return y.map(function(y) { return [x, y]; }); }; +// Takes a line and cuts into visible segments. Return values: 0 - there were +// intersections or the line was empty; 1 - no intersections; 2 - there were +// intersections, and the first and last segments should be rejoined. +function clipAntimeridianLine(stream) { + var lambda0 = NaN, + phi0 = NaN, + sign0 = NaN, + clean; // no intersections + + return { + lineStart: function() { + stream.lineStart(); + clean = 1; + }, + point: function(lambda1, phi1) { + var sign1 = lambda1 > 0 ? pi$3 : -pi$3, + delta = abs(lambda1 - lambda0); + if (abs(delta - pi$3) < epsilon$2) { // line crosses a pole + stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$2 : -halfPi$2); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + stream.point(lambda1, phi0); + clean = 0; + } else if (sign0 !== sign1 && delta >= pi$3) { // line crosses antimeridian + if (abs(lambda0 - sign0) < epsilon$2) lambda0 -= sign0 * epsilon$2; // handle degeneracies + if (abs(lambda1 - sign1) < epsilon$2) lambda1 -= sign1 * epsilon$2; + phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + clean = 0; + } + stream.point(lambda0 = lambda1, phi0 = phi1); + sign0 = sign1; + }, + lineEnd: function() { + stream.lineEnd(); + lambda0 = phi0 = NaN; + }, + clean: function() { + return 2 - clean; // if intersections, rejoin first and last segments + } + }; } -function graticuleY(x0, x1, dx) { - var x = sequence(x0, x1 - epsilon$2, dx).concat(x1); - return function(y) { return x.map(function(x) { return [x, y]; }); }; +function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { + var cosPhi0, + cosPhi1, + sinLambda0Lambda1 = sin$1(lambda0 - lambda1); + return abs(sinLambda0Lambda1) > epsilon$2 + ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) + - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) + / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) + : (phi0 + phi1) / 2; } -function graticule() { - var x1, x0, X1, X0, - y1, y0, Y1, Y0, - dx = 10, dy = dx, DX = 90, DY = 360, - x, y, X, Y, - precision = 2.5; +function clipAntimeridianInterpolate(from, to, direction, stream) { + var phi; + if (from == null) { + phi = direction * halfPi$2; + stream.point(-pi$3, phi); + stream.point(0, phi); + stream.point(pi$3, phi); + stream.point(pi$3, 0); + stream.point(pi$3, -phi); + stream.point(0, -phi); + stream.point(-pi$3, -phi); + stream.point(-pi$3, 0); + stream.point(-pi$3, phi); + } else if (abs(from[0] - to[0]) > epsilon$2) { + var lambda = from[0] < to[0] ? pi$3 : -pi$3; + phi = direction * lambda / 2; + stream.point(-lambda, phi); + stream.point(0, phi); + stream.point(lambda, phi); + } else { + stream.point(to[0], to[1]); + } +} - function graticule() { - return {type: "MultiLineString", coordinates: lines()}; +function clipCircle(radius) { + var cr = cos$1(radius), + delta = 6 * radians, + smallRadius = cr > 0, + notHemisphere = abs(cr) > epsilon$2; // TODO optimise for this common case + + function interpolate(from, to, direction, stream) { + circleStream(stream, radius, delta, direction, from, to); } - function lines() { - return sequence(ceil(X0 / DX) * DX, X1, DX).map(X) - .concat(sequence(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) - .concat(sequence(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$2; }).map(x)) - .concat(sequence(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$2; }).map(y)); + function visible(lambda, phi) { + return cos$1(lambda) * cos$1(phi) > cr; } - graticule.lines = function() { - return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); - }; - - graticule.outline = function() { + // Takes a line and cuts into visible segments. Return values used for polygon + // clipping: 0 - there were intersections or the line was empty; 1 - no + // intersections 2 - there were intersections, and the first and last segments + // should be rejoined. + function clipLine(stream) { + var point0, // previous point + c0, // code for previous point + v0, // visibility of previous point + v00, // visibility of first point + clean; // no intersections return { - type: "Polygon", - coordinates: [ - X(X0).concat( - Y(Y1).slice(1), - X(X1).reverse().slice(1), - Y(Y0).reverse().slice(1)) - ] + lineStart: function() { + v00 = v0 = false; + clean = 1; + }, + point: function(lambda, phi) { + var point1 = [lambda, phi], + point2, + v = visible(lambda, phi), + c = smallRadius + ? v ? 0 : code(lambda, phi) + : v ? code(lambda + (lambda < 0 ? pi$3 : -pi$3), phi) : 0; + if (!point0 && (v00 = v0 = v)) stream.lineStart(); + // Handle degeneracies. + // TODO ignore if not clipping polygons. + if (v !== v0) { + point2 = intersect(point0, point1); + if (!point2 || pointEqual(point0, point2) || pointEqual(point1, point2)) { + point1[0] += epsilon$2; + point1[1] += epsilon$2; + v = visible(point1[0], point1[1]); + } + } + if (v !== v0) { + clean = 0; + if (v) { + // outside going in + stream.lineStart(); + point2 = intersect(point1, point0); + stream.point(point2[0], point2[1]); + } else { + // inside going out + point2 = intersect(point0, point1); + stream.point(point2[0], point2[1]); + stream.lineEnd(); + } + point0 = point2; + } else if (notHemisphere && point0 && smallRadius ^ v) { + var t; + // If the codes for two points are different, or are both zero, + // and there this segment intersects with the small circle. + if (!(c & c0) && (t = intersect(point1, point0, true))) { + clean = 0; + if (smallRadius) { + stream.lineStart(); + stream.point(t[0][0], t[0][1]); + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); + } else { + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); + stream.lineStart(); + stream.point(t[0][0], t[0][1]); + } + } + } + if (v && (!point0 || !pointEqual(point0, point1))) { + stream.point(point1[0], point1[1]); + } + point0 = point1, v0 = v, c0 = c; + }, + lineEnd: function() { + if (v0) stream.lineEnd(); + point0 = null; + }, + // Rejoin first and last segments if there were intersections and the first + // and last points were visible. + clean: function() { + return clean | ((v00 && v0) << 1); + } }; - }; + } - graticule.extent = function(_) { - if (!arguments.length) return graticule.extentMinor(); - return graticule.extentMajor(_).extentMinor(_); - }; + // Intersects the great circle between a and b with the clip circle. + function intersect(a, b, two) { + var pa = cartesian(a), + pb = cartesian(b); - graticule.extentMajor = function(_) { - if (!arguments.length) return [[X0, Y0], [X1, Y1]]; - X0 = +_[0][0], X1 = +_[1][0]; - Y0 = +_[0][1], Y1 = +_[1][1]; - if (X0 > X1) _ = X0, X0 = X1, X1 = _; - if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; - return graticule.precision(precision); - }; + // We have two planes, n1.p = d1 and n2.p = d2. + // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). + var n1 = [1, 0, 0], // normal + n2 = cartesianCross(pa, pb), + n2n2 = cartesianDot(n2, n2), + n1n2 = n2[0], // cartesianDot(n1, n2), + determinant = n2n2 - n1n2 * n1n2; - graticule.extentMinor = function(_) { - if (!arguments.length) return [[x0, y0], [x1, y1]]; - x0 = +_[0][0], x1 = +_[1][0]; - y0 = +_[0][1], y1 = +_[1][1]; - if (x0 > x1) _ = x0, x0 = x1, x1 = _; - if (y0 > y1) _ = y0, y0 = y1, y1 = _; - return graticule.precision(precision); - }; + // Two polar points. + if (!determinant) return !two && a; - graticule.step = function(_) { - if (!arguments.length) return graticule.stepMinor(); - return graticule.stepMajor(_).stepMinor(_); - }; + var c1 = cr * n2n2 / determinant, + c2 = -cr * n1n2 / determinant, + n1xn2 = cartesianCross(n1, n2), + A = cartesianScale(n1, c1), + B = cartesianScale(n2, c2); + cartesianAddInPlace(A, B); - graticule.stepMajor = function(_) { - if (!arguments.length) return [DX, DY]; - DX = +_[0], DY = +_[1]; - return graticule; - }; + // Solve |p(t)|^2 = 1. + var u = n1xn2, + w = cartesianDot(A, u), + uu = cartesianDot(u, u), + t2 = w * w - uu * (cartesianDot(A, A) - 1); - graticule.stepMinor = function(_) { - if (!arguments.length) return [dx, dy]; - dx = +_[0], dy = +_[1]; - return graticule; - }; + if (t2 < 0) return; - graticule.precision = function(_) { - if (!arguments.length) return precision; - precision = +_; - x = graticuleX(y0, y1, 90); - y = graticuleY(x0, x1, precision); - X = graticuleX(Y0, Y1, 90); - Y = graticuleY(X0, X1, precision); - return graticule; - }; + var t = sqrt(t2), + q = cartesianScale(u, (-w - t) / uu); + cartesianAddInPlace(q, A); + q = spherical(q); - return graticule - .extentMajor([[-180, -90 + epsilon$2], [180, 90 - epsilon$2]]) - .extentMinor([[-180, -80 - epsilon$2], [180, 80 + epsilon$2]]); + if (!two) return q; + + // Two intersection points. + var lambda0 = a[0], + lambda1 = b[0], + phi0 = a[1], + phi1 = b[1], + z; + + if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; + + var delta = lambda1 - lambda0, + polar = abs(delta - pi$3) < epsilon$2, + meridian = polar || delta < epsilon$2; + + if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; + + // Check that the first point is between a and b. + if (meridian + ? polar + ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$2 ? phi0 : phi1) + : phi0 <= q[1] && q[1] <= phi1 + : delta > pi$3 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { + var q1 = cartesianScale(u, (-w + t) / uu); + cartesianAddInPlace(q1, A); + return [q, spherical(q1)]; + } + } + + // Generates a 4-bit vector representing the location of a point relative to + // the small circle's bounding box. + function code(lambda, phi) { + var r = smallRadius ? radius : pi$3 - radius, + code = 0; + if (lambda < -r) code |= 1; // left + else if (lambda > r) code |= 2; // right + if (phi < -r) code |= 4; // below + else if (phi > r) code |= 8; // above + return code; + } + + return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$3, radius - pi$3]); } -function graticule10() { - return graticule()(); -} +function clipLine(a, b, x0, y0, x1, y1) { + var ax = a[0], + ay = a[1], + bx = b[0], + by = b[1], + t0 = 0, + t1 = 1, + dx = bx - ax, + dy = by - ay, + r; + + r = x0 - ax; + if (!dx && r > 0) return; + r /= dx; + if (dx < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dx > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = x1 - ax; + if (!dx && r < 0) return; + r /= dx; + if (dx < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dx > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + r = y0 - ay; + if (!dy && r > 0) return; + r /= dy; + if (dy < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dy > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + + r = y1 - ay; + if (!dy && r < 0) return; + r /= dy; + if (dy < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dy > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + + if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; + if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; + return true; +} + +var clipMax = 1e9; +var clipMin = -clipMax; + +// TODO Use d3-polygon’s polygonContains here for the ring check? +// TODO Eliminate duplicate buffering in clipBuffer and polygon.push? + +function clipRectangle(x0, y0, x1, y1) { + + function visible(x, y) { + return x0 <= x && x <= x1 && y0 <= y && y <= y1; + } + + function interpolate(from, to, direction, stream) { + var a = 0, a1 = 0; + if (from == null + || (a = corner(from, direction)) !== (a1 = corner(to, direction)) + || comparePoint(from, to) < 0 ^ direction > 0) { + do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); + while ((a = (a + direction + 4) % 4) !== a1); + } else { + stream.point(to[0], to[1]); + } + } + + function corner(p, direction) { + return abs(p[0] - x0) < epsilon$2 ? direction > 0 ? 0 : 3 + : abs(p[0] - x1) < epsilon$2 ? direction > 0 ? 2 : 1 + : abs(p[1] - y0) < epsilon$2 ? direction > 0 ? 1 : 0 + : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon + } + + function compareIntersection(a, b) { + return comparePoint(a.x, b.x); + } + + function comparePoint(a, b) { + var ca = corner(a, 1), + cb = corner(b, 1); + return ca !== cb ? ca - cb + : ca === 0 ? b[1] - a[1] + : ca === 1 ? a[0] - b[0] + : ca === 2 ? a[1] - b[1] + : b[0] - a[0]; + } + + return function(stream) { + var activeStream = stream, + bufferStream = clipBuffer(), + segments, + polygon, + ring, + x__, y__, v__, // first point + x_, y_, v_, // previous point + first, + clean; + + var clipStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: polygonStart, + polygonEnd: polygonEnd + }; + + function point(x, y) { + if (visible(x, y)) activeStream.point(x, y); + } + + function polygonInside() { + var winding = 0; + + for (var i = 0, n = polygon.length; i < n; ++i) { + for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { + a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; + if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } + else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } + } + } + + return winding; + } + + // Buffer geometry within a polygon and then clip it en masse. + function polygonStart() { + activeStream = bufferStream, segments = [], polygon = [], clean = true; + } + + function polygonEnd() { + var startInside = polygonInside(), + cleanInside = clean && startInside, + visible = (segments = merge(segments)).length; + if (cleanInside || visible) { + stream.polygonStart(); + if (cleanInside) { + stream.lineStart(); + interpolate(null, null, 1, stream); + stream.lineEnd(); + } + if (visible) { + clipRejoin(segments, compareIntersection, startInside, interpolate, stream); + } + stream.polygonEnd(); + } + activeStream = stream, segments = polygon = ring = null; + } + + function lineStart() { + clipStream.point = linePoint; + if (polygon) polygon.push(ring = []); + first = true; + v_ = false; + x_ = y_ = NaN; + } + + // TODO rather than special-case polygons, simply handle them separately. + // Ideally, coincident intersection points should be jittered to avoid + // clipping issues. + function lineEnd() { + if (segments) { + linePoint(x__, y__); + if (v__ && v_) bufferStream.rejoin(); + segments.push(bufferStream.result()); + } + clipStream.point = point; + if (v_) activeStream.lineEnd(); + } -var interpolate$1 = function(a, b) { - var x0 = a[0] * radians, - y0 = a[1] * radians, - x1 = b[0] * radians, - y1 = b[1] * radians, - cy0 = cos$1(y0), - sy0 = sin$1(y0), - cy1 = cos$1(y1), - sy1 = sin$1(y1), - kx0 = cy0 * cos$1(x0), - ky0 = cy0 * sin$1(x0), - kx1 = cy1 * cos$1(x1), - ky1 = cy1 * sin$1(x1), - d = 2 * asin(sqrt(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), - k = sin$1(d); + function linePoint(x, y) { + var v = visible(x, y); + if (polygon) ring.push([x, y]); + if (first) { + x__ = x, y__ = y, v__ = v; + first = false; + if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + } + } else { + if (v && v_) activeStream.point(x, y); + else { + var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], + b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; + if (clipLine(a, b, x0, y0, x1, y1)) { + if (!v_) { + activeStream.lineStart(); + activeStream.point(a[0], a[1]); + } + activeStream.point(b[0], b[1]); + if (!v) activeStream.lineEnd(); + clean = false; + } else if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + clean = false; + } + } + } + x_ = x, y_ = y, v_ = v; + } - var interpolate = d ? function(t) { - var B = sin$1(t *= d) / k, - A = sin$1(d - t) / k, - x = A * kx0 + B * kx1, - y = A * ky0 + B * ky1, - z = A * sy0 + B * sy1; - return [ - atan2(y, x) * degrees$1, - atan2(z, sqrt(x * x + y * y)) * degrees$1 - ]; - } : function() { - return [x0 * degrees$1, y0 * degrees$1]; + return clipStream; }; +} - interpolate.distance = d; - - return interpolate; -}; +function extent$1() { + var x0 = 0, + y0 = 0, + x1 = 960, + y1 = 500, + cache, + cacheStream, + clip; -var identity$4 = function(x) { - return x; -}; + return clip = { + stream: function(stream) { + return cache && cacheStream === stream ? cache : cache = clipRectangle(x0, y0, x1, y1)(cacheStream = stream); + }, + extent: function(_) { + return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; + } + }; +} -var areaSum$1 = adder(); -var areaRingSum$1 = adder(); -var x00; -var y00; -var x0$1; -var y0$1; +var lengthSum = adder(); +var lambda0$2; +var sinPhi0$1; +var cosPhi0$1; -var areaStream$1 = { +var lengthStream = { + sphere: noop$1, point: noop$1, - lineStart: noop$1, + lineStart: lengthLineStart, lineEnd: noop$1, - polygonStart: function() { - areaStream$1.lineStart = areaRingStart$1; - areaStream$1.lineEnd = areaRingEnd$1; - }, - polygonEnd: function() { - areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$1; - areaSum$1.add(abs(areaRingSum$1)); - areaRingSum$1.reset(); - }, - result: function() { - var area = areaSum$1 / 2; - areaSum$1.reset(); - return area; - } + polygonStart: noop$1, + polygonEnd: noop$1 }; -function areaRingStart$1() { - areaStream$1.point = areaPointFirst$1; +function lengthLineStart() { + lengthStream.point = lengthPointFirst; + lengthStream.lineEnd = lengthLineEnd; } -function areaPointFirst$1(x, y) { - areaStream$1.point = areaPoint$1; - x00 = x0$1 = x, y00 = y0$1 = y; +function lengthLineEnd() { + lengthStream.point = lengthStream.lineEnd = noop$1; } -function areaPoint$1(x, y) { - areaRingSum$1.add(y0$1 * x - x0$1 * y); - x0$1 = x, y0$1 = y; +function lengthPointFirst(lambda, phi) { + lambda *= radians, phi *= radians; + lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi); + lengthStream.point = lengthPoint; } -function areaRingEnd$1() { - areaPoint$1(x00, y00); +function lengthPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var sinPhi = sin$1(phi), + cosPhi = cos$1(phi), + delta = abs(lambda - lambda0$2), + cosDelta = cos$1(delta), + sinDelta = sin$1(delta), + x = cosPhi * sinDelta, + y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, + z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; + lengthSum.add(atan2(sqrt(x * x + y * y), z)); + lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; } -var x0$2 = Infinity; -var y0$2 = x0$2; -var x1 = -x0$2; -var y1 = x1; +function length$1(object) { + lengthSum.reset(); + geoStream(object, lengthStream); + return +lengthSum; +} -var boundsStream$1 = { - point: boundsPoint$1, - lineStart: noop$1, - lineEnd: noop$1, - polygonStart: noop$1, - polygonEnd: noop$1, - result: function() { - var bounds = [[x0$2, y0$2], [x1, y1]]; - x1 = y1 = -(y0$2 = x0$2 = Infinity); - return bounds; - } -}; +var coordinates = [null, null]; +var object$1 = {type: "LineString", coordinates: coordinates}; -function boundsPoint$1(x, y) { - if (x < x0$2) x0$2 = x; - if (x > x1) x1 = x; - if (y < y0$2) y0$2 = y; - if (y > y1) y1 = y; +function distance(a, b) { + coordinates[0] = a; + coordinates[1] = b; + return length$1(object$1); } -// TODO Enforce positive area for exterior, negative area for interior? - -var X0$1 = 0; -var Y0$1 = 0; -var Z0$1 = 0; -var X1$1 = 0; -var Y1$1 = 0; -var Z1$1 = 0; -var X2$1 = 0; -var Y2$1 = 0; -var Z2$1 = 0; -var x00$1; -var y00$1; -var x0$3; -var y0$3; +var containsObjectType = { + Feature: function(object, point) { + return containsGeometry(object.geometry, point); + }, + FeatureCollection: function(object, point) { + var features = object.features, i = -1, n = features.length; + while (++i < n) if (containsGeometry(features[i].geometry, point)) return true; + return false; + } +}; -var centroidStream$1 = { - point: centroidPoint$1, - lineStart: centroidLineStart$1, - lineEnd: centroidLineEnd$1, - polygonStart: function() { - centroidStream$1.lineStart = centroidRingStart$1; - centroidStream$1.lineEnd = centroidRingEnd$1; +var containsGeometryType = { + Sphere: function() { + return true; }, - polygonEnd: function() { - centroidStream$1.point = centroidPoint$1; - centroidStream$1.lineStart = centroidLineStart$1; - centroidStream$1.lineEnd = centroidLineEnd$1; + Point: function(object, point) { + return containsPoint(object.coordinates, point); }, - result: function() { - var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] - : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] - : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] - : [NaN, NaN]; - X0$1 = Y0$1 = Z0$1 = - X1$1 = Y1$1 = Z1$1 = - X2$1 = Y2$1 = Z2$1 = 0; - return centroid; + MultiPoint: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsPoint(coordinates[i], point)) return true; + return false; + }, + LineString: function(object, point) { + return containsLine(object.coordinates, point); + }, + MultiLineString: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsLine(coordinates[i], point)) return true; + return false; + }, + Polygon: function(object, point) { + return containsPolygon(object.coordinates, point); + }, + MultiPolygon: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsPolygon(coordinates[i], point)) return true; + return false; + }, + GeometryCollection: function(object, point) { + var geometries = object.geometries, i = -1, n = geometries.length; + while (++i < n) if (containsGeometry(geometries[i], point)) return true; + return false; } }; -function centroidPoint$1(x, y) { - X0$1 += x; - Y0$1 += y; - ++Z0$1; -} - -function centroidLineStart$1() { - centroidStream$1.point = centroidPointFirstLine; +function containsGeometry(geometry, point) { + return geometry && containsGeometryType.hasOwnProperty(geometry.type) + ? containsGeometryType[geometry.type](geometry, point) + : false; } -function centroidPointFirstLine(x, y) { - centroidStream$1.point = centroidPointLine; - centroidPoint$1(x0$3 = x, y0$3 = y); +function containsPoint(coordinates, point) { + return distance(coordinates, point) === 0; } -function centroidPointLine(x, y) { - var dx = x - x0$3, dy = y - y0$3, z = sqrt(dx * dx + dy * dy); - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; - centroidPoint$1(x0$3 = x, y0$3 = y); +function containsLine(coordinates, point) { + var ab = distance(coordinates[0], coordinates[1]), + ao = distance(coordinates[0], point), + ob = distance(point, coordinates[1]); + return ao + ob <= ab + epsilon$2; } -function centroidLineEnd$1() { - centroidStream$1.point = centroidPoint$1; +function containsPolygon(coordinates, point) { + return !!polygonContains(coordinates.map(ringRadians), pointRadians(point)); } -function centroidRingStart$1() { - centroidStream$1.point = centroidPointFirstRing; +function ringRadians(ring) { + return ring = ring.map(pointRadians), ring.pop(), ring; } -function centroidRingEnd$1() { - centroidPointRing(x00$1, y00$1); +function pointRadians(point) { + return [point[0] * radians, point[1] * radians]; } -function centroidPointFirstRing(x, y) { - centroidStream$1.point = centroidPointRing; - centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); +function contains(object, point) { + return (object && containsObjectType.hasOwnProperty(object.type) + ? containsObjectType[object.type] + : containsGeometry)(object, point); } -function centroidPointRing(x, y) { - var dx = x - x0$3, - dy = y - y0$3, - z = sqrt(dx * dx + dy * dy); - - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; - - z = y0$3 * x - x0$3 * y; - X2$1 += z * (x0$3 + x); - Y2$1 += z * (y0$3 + y); - Z2$1 += z * 3; - centroidPoint$1(x0$3 = x, y0$3 = y); +function graticuleX(y0, y1, dy) { + var y = sequence(y0, y1 - epsilon$2, dy).concat(y1); + return function(x) { return y.map(function(y) { return [x, y]; }); }; } -function PathContext(context) { - this._context = context; +function graticuleY(x0, x1, dx) { + var x = sequence(x0, x1 - epsilon$2, dx).concat(x1); + return function(y) { return x.map(function(x) { return [x, y]; }); }; } -PathContext.prototype = { - _radius: 4.5, - pointRadius: function(_) { - return this._radius = _, this; - }, - polygonStart: function() { - this._line = 0; - }, - polygonEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line === 0) this._context.closePath(); - this._point = NaN; - }, - point: function(x, y) { - switch (this._point) { - case 0: { - this._context.moveTo(x, y); - this._point = 1; - break; - } - case 1: { - this._context.lineTo(x, y); - break; - } - default: { - this._context.moveTo(x + this._radius, y); - this._context.arc(x, y, this._radius, 0, tau$3); - break; - } - } - }, - result: noop$1 -}; - -var lengthSum$1 = adder(); -var lengthRing; -var x00$2; -var y00$2; -var x0$4; -var y0$4; +function graticule() { + var x1, x0, X1, X0, + y1, y0, Y1, Y0, + dx = 10, dy = dx, DX = 90, DY = 360, + x, y, X, Y, + precision = 2.5; -var lengthStream$1 = { - point: noop$1, - lineStart: function() { - lengthStream$1.point = lengthPointFirst$1; - }, - lineEnd: function() { - if (lengthRing) lengthPoint$1(x00$2, y00$2); - lengthStream$1.point = noop$1; - }, - polygonStart: function() { - lengthRing = true; - }, - polygonEnd: function() { - lengthRing = null; - }, - result: function() { - var length = +lengthSum$1; - lengthSum$1.reset(); - return length; + function graticule() { + return {type: "MultiLineString", coordinates: lines()}; } -}; - -function lengthPointFirst$1(x, y) { - lengthStream$1.point = lengthPoint$1; - x00$2 = x0$4 = x, y00$2 = y0$4 = y; -} - -function lengthPoint$1(x, y) { - x0$4 -= x, y0$4 -= y; - lengthSum$1.add(sqrt(x0$4 * x0$4 + y0$4 * y0$4)); - x0$4 = x, y0$4 = y; -} - -function PathString() { - this._string = []; -} -PathString.prototype = { - _radius: 4.5, - _circle: circle$1(4.5), - pointRadius: function(_) { - if ((_ = +_) !== this._radius) this._radius = _, this._circle = null; - return this; - }, - polygonStart: function() { - this._line = 0; - }, - polygonEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line === 0) this._string.push("Z"); - this._point = NaN; - }, - point: function(x, y) { - switch (this._point) { - case 0: { - this._string.push("M", x, ",", y); - this._point = 1; - break; - } - case 1: { - this._string.push("L", x, ",", y); - break; - } - default: { - if (this._circle == null) this._circle = circle$1(this._radius); - this._string.push("M", x, ",", y, this._circle); - break; - } - } - }, - result: function() { - if (this._string.length) { - var result = this._string.join(""); - this._string = []; - return result; - } else { - return null; - } + function lines() { + return sequence(ceil(X0 / DX) * DX, X1, DX).map(X) + .concat(sequence(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) + .concat(sequence(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$2; }).map(x)) + .concat(sequence(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$2; }).map(y)); } -}; -function circle$1(radius) { - return "m0," + radius - + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius - + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius - + "z"; -} + graticule.lines = function() { + return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); + }; -var index$1 = function(projection, context) { - var pointRadius = 4.5, - projectionStream, - contextStream; + graticule.outline = function() { + return { + type: "Polygon", + coordinates: [ + X(X0).concat( + Y(Y1).slice(1), + X(X1).reverse().slice(1), + Y(Y0).reverse().slice(1)) + ] + }; + }; - function path(object) { - if (object) { - if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); - geoStream(object, projectionStream(contextStream)); - } - return contextStream.result(); - } + graticule.extent = function(_) { + if (!arguments.length) return graticule.extentMinor(); + return graticule.extentMajor(_).extentMinor(_); + }; - path.area = function(object) { - geoStream(object, projectionStream(areaStream$1)); - return areaStream$1.result(); + graticule.extentMajor = function(_) { + if (!arguments.length) return [[X0, Y0], [X1, Y1]]; + X0 = +_[0][0], X1 = +_[1][0]; + Y0 = +_[0][1], Y1 = +_[1][1]; + if (X0 > X1) _ = X0, X0 = X1, X1 = _; + if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; + return graticule.precision(precision); }; - path.measure = function(object) { - geoStream(object, projectionStream(lengthStream$1)); - return lengthStream$1.result(); + graticule.extentMinor = function(_) { + if (!arguments.length) return [[x0, y0], [x1, y1]]; + x0 = +_[0][0], x1 = +_[1][0]; + y0 = +_[0][1], y1 = +_[1][1]; + if (x0 > x1) _ = x0, x0 = x1, x1 = _; + if (y0 > y1) _ = y0, y0 = y1, y1 = _; + return graticule.precision(precision); }; - path.bounds = function(object) { - geoStream(object, projectionStream(boundsStream$1)); - return boundsStream$1.result(); + graticule.step = function(_) { + if (!arguments.length) return graticule.stepMinor(); + return graticule.stepMajor(_).stepMinor(_); }; - path.centroid = function(object) { - geoStream(object, projectionStream(centroidStream$1)); - return centroidStream$1.result(); + graticule.stepMajor = function(_) { + if (!arguments.length) return [DX, DY]; + DX = +_[0], DY = +_[1]; + return graticule; }; - path.projection = function(_) { - return arguments.length ? (projectionStream = _ == null ? (projection = null, identity$4) : (projection = _).stream, path) : projection; + graticule.stepMinor = function(_) { + if (!arguments.length) return [dx, dy]; + dx = +_[0], dy = +_[1]; + return graticule; }; - path.context = function(_) { - if (!arguments.length) return context; - contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); - if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); - return path; + graticule.precision = function(_) { + if (!arguments.length) return precision; + precision = +_; + x = graticuleX(y0, y1, 90); + y = graticuleY(x0, x1, precision); + X = graticuleX(Y0, Y1, 90); + Y = graticuleY(X0, X1, precision); + return graticule; }; - path.pointRadius = function(_) { - if (!arguments.length) return pointRadius; - pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); - return path; - }; + return graticule + .extentMajor([[-180, -90 + epsilon$2], [180, 90 - epsilon$2]]) + .extentMinor([[-180, -80 - epsilon$2], [180, 80 + epsilon$2]]); +} - return path.projection(projection).context(context); -}; +function graticule10() { + return graticule()(); +} -var clip = function(pointVisible, clipLine, interpolate, start) { - return function(rotate, sink) { - var line = clipLine(sink), - rotatedStart = rotate.invert(start[0], start[1]), - ringBuffer = clipBuffer(), - ringSink = clipLine(ringBuffer), - polygonStarted = false, - polygon, - segments, - ring; +function interpolate$1(a, b) { + var x0 = a[0] * radians, + y0 = a[1] * radians, + x1 = b[0] * radians, + y1 = b[1] * radians, + cy0 = cos$1(y0), + sy0 = sin$1(y0), + cy1 = cos$1(y1), + sy1 = sin$1(y1), + kx0 = cy0 * cos$1(x0), + ky0 = cy0 * sin$1(x0), + kx1 = cy1 * cos$1(x1), + ky1 = cy1 * sin$1(x1), + d = 2 * asin(sqrt(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), + k = sin$1(d); - var clip = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - clip.point = pointRing; - clip.lineStart = ringStart; - clip.lineEnd = ringEnd; - segments = []; - polygon = []; - }, - polygonEnd: function() { - clip.point = point; - clip.lineStart = lineStart; - clip.lineEnd = lineEnd; - segments = merge(segments); - var startInside = polygonContains(polygon, rotatedStart); - if (segments.length) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - clipPolygon(segments, compareIntersection, startInside, interpolate, sink); - } else if (startInside) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - } - if (polygonStarted) sink.polygonEnd(), polygonStarted = false; - segments = polygon = null; - }, - sphere: function() { - sink.polygonStart(); - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - sink.polygonEnd(); - } - }; + var interpolate = d ? function(t) { + var B = sin$1(t *= d) / k, + A = sin$1(d - t) / k, + x = A * kx0 + B * kx1, + y = A * ky0 + B * ky1, + z = A * sy0 + B * sy1; + return [ + atan2(y, x) * degrees$1, + atan2(z, sqrt(x * x + y * y)) * degrees$1 + ]; + } : function() { + return [x0 * degrees$1, y0 * degrees$1]; + }; - function point(lambda, phi) { - var point = rotate(lambda, phi); - if (pointVisible(lambda = point[0], phi = point[1])) sink.point(lambda, phi); - } + interpolate.distance = d; - function pointLine(lambda, phi) { - var point = rotate(lambda, phi); - line.point(point[0], point[1]); - } + return interpolate; +} - function lineStart() { - clip.point = pointLine; - line.lineStart(); - } +function identity$4(x) { + return x; +} - function lineEnd() { - clip.point = point; - line.lineEnd(); - } +var areaSum$1 = adder(); +var areaRingSum$1 = adder(); +var x00; +var y00; +var x0$1; +var y0$1; - function pointRing(lambda, phi) { - ring.push([lambda, phi]); - var point = rotate(lambda, phi); - ringSink.point(point[0], point[1]); - } +var areaStream$1 = { + point: noop$1, + lineStart: noop$1, + lineEnd: noop$1, + polygonStart: function() { + areaStream$1.lineStart = areaRingStart$1; + areaStream$1.lineEnd = areaRingEnd$1; + }, + polygonEnd: function() { + areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$1; + areaSum$1.add(abs(areaRingSum$1)); + areaRingSum$1.reset(); + }, + result: function() { + var area = areaSum$1 / 2; + areaSum$1.reset(); + return area; + } +}; - function ringStart() { - ringSink.lineStart(); - ring = []; - } +function areaRingStart$1() { + areaStream$1.point = areaPointFirst$1; +} - function ringEnd() { - pointRing(ring[0][0], ring[0][1]); - ringSink.lineEnd(); +function areaPointFirst$1(x, y) { + areaStream$1.point = areaPoint$1; + x00 = x0$1 = x, y00 = y0$1 = y; +} - var clean = ringSink.clean(), - ringSegments = ringBuffer.result(), - i, n = ringSegments.length, m, - segment, - point; +function areaPoint$1(x, y) { + areaRingSum$1.add(y0$1 * x - x0$1 * y); + x0$1 = x, y0$1 = y; +} - ring.pop(); - polygon.push(ring); - ring = null; +function areaRingEnd$1() { + areaPoint$1(x00, y00); +} - if (!n) return; +var x0$2 = Infinity; +var y0$2 = x0$2; +var x1 = -x0$2; +var y1 = x1; - // No intersections. - if (clean & 1) { - segment = ringSegments[0]; - if ((m = segment.length - 1) > 0) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); - sink.lineEnd(); - } - return; - } +var boundsStream$1 = { + point: boundsPoint$1, + lineStart: noop$1, + lineEnd: noop$1, + polygonStart: noop$1, + polygonEnd: noop$1, + result: function() { + var bounds = [[x0$2, y0$2], [x1, y1]]; + x1 = y1 = -(y0$2 = x0$2 = Infinity); + return bounds; + } +}; - // Rejoin connected segments. - // TODO reuse ringBuffer.rejoin()? - if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); +function boundsPoint$1(x, y) { + if (x < x0$2) x0$2 = x; + if (x > x1) x1 = x; + if (y < y0$2) y0$2 = y; + if (y > y1) y1 = y; +} - segments.push(ringSegments.filter(validSegment)); - } +// TODO Enforce positive area for exterior, negative area for interior? + +var X0$1 = 0; +var Y0$1 = 0; +var Z0$1 = 0; +var X1$1 = 0; +var Y1$1 = 0; +var Z1$1 = 0; +var X2$1 = 0; +var Y2$1 = 0; +var Z2$1 = 0; +var x00$1; +var y00$1; +var x0$3; +var y0$3; - return clip; - }; +var centroidStream$1 = { + point: centroidPoint$1, + lineStart: centroidLineStart$1, + lineEnd: centroidLineEnd$1, + polygonStart: function() { + centroidStream$1.lineStart = centroidRingStart$1; + centroidStream$1.lineEnd = centroidRingEnd$1; + }, + polygonEnd: function() { + centroidStream$1.point = centroidPoint$1; + centroidStream$1.lineStart = centroidLineStart$1; + centroidStream$1.lineEnd = centroidLineEnd$1; + }, + result: function() { + var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] + : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] + : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] + : [NaN, NaN]; + X0$1 = Y0$1 = Z0$1 = + X1$1 = Y1$1 = Z1$1 = + X2$1 = Y2$1 = Z2$1 = 0; + return centroid; + } }; -function validSegment(segment) { - return segment.length > 1; +function centroidPoint$1(x, y) { + X0$1 += x; + Y0$1 += y; + ++Z0$1; } -// Intersections are sorted along the clip edge. For both antimeridian cutting -// and circle clipping, the same comparison is used. -function compareIntersection(a, b) { - return ((a = a.x)[0] < 0 ? a[1] - halfPi$2 - epsilon$2 : halfPi$2 - a[1]) - - ((b = b.x)[0] < 0 ? b[1] - halfPi$2 - epsilon$2 : halfPi$2 - b[1]); +function centroidLineStart$1() { + centroidStream$1.point = centroidPointFirstLine; } -var clipAntimeridian = clip( - function() { return true; }, - clipAntimeridianLine, - clipAntimeridianInterpolate, - [-pi$3, -halfPi$2] -); +function centroidPointFirstLine(x, y) { + centroidStream$1.point = centroidPointLine; + centroidPoint$1(x0$3 = x, y0$3 = y); +} -// Takes a line and cuts into visible segments. Return values: 0 - there were -// intersections or the line was empty; 1 - no intersections; 2 - there were -// intersections, and the first and last segments should be rejoined. -function clipAntimeridianLine(stream) { - var lambda0 = NaN, - phi0 = NaN, - sign0 = NaN, - clean; // no intersections +function centroidPointLine(x, y) { + var dx = x - x0$3, dy = y - y0$3, z = sqrt(dx * dx + dy * dy); + X1$1 += z * (x0$3 + x) / 2; + Y1$1 += z * (y0$3 + y) / 2; + Z1$1 += z; + centroidPoint$1(x0$3 = x, y0$3 = y); +} - return { - lineStart: function() { - stream.lineStart(); - clean = 1; - }, - point: function(lambda1, phi1) { - var sign1 = lambda1 > 0 ? pi$3 : -pi$3, - delta = abs(lambda1 - lambda0); - if (abs(delta - pi$3) < epsilon$2) { // line crosses a pole - stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$2 : -halfPi$2); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - stream.point(lambda1, phi0); - clean = 0; - } else if (sign0 !== sign1 && delta >= pi$3) { // line crosses antimeridian - if (abs(lambda0 - sign0) < epsilon$2) lambda0 -= sign0 * epsilon$2; // handle degeneracies - if (abs(lambda1 - sign1) < epsilon$2) lambda1 -= sign1 * epsilon$2; - phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - clean = 0; - } - stream.point(lambda0 = lambda1, phi0 = phi1); - sign0 = sign1; - }, - lineEnd: function() { - stream.lineEnd(); - lambda0 = phi0 = NaN; - }, - clean: function() { - return 2 - clean; // if intersections, rejoin first and last segments - } - }; +function centroidLineEnd$1() { + centroidStream$1.point = centroidPoint$1; } -function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { - var cosPhi0, - cosPhi1, - sinLambda0Lambda1 = sin$1(lambda0 - lambda1); - return abs(sinLambda0Lambda1) > epsilon$2 - ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) - - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) - / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) - : (phi0 + phi1) / 2; +function centroidRingStart$1() { + centroidStream$1.point = centroidPointFirstRing; } -function clipAntimeridianInterpolate(from, to, direction, stream) { - var phi; - if (from == null) { - phi = direction * halfPi$2; - stream.point(-pi$3, phi); - stream.point(0, phi); - stream.point(pi$3, phi); - stream.point(pi$3, 0); - stream.point(pi$3, -phi); - stream.point(0, -phi); - stream.point(-pi$3, -phi); - stream.point(-pi$3, 0); - stream.point(-pi$3, phi); - } else if (abs(from[0] - to[0]) > epsilon$2) { - var lambda = from[0] < to[0] ? pi$3 : -pi$3; - phi = direction * lambda / 2; - stream.point(-lambda, phi); - stream.point(0, phi); - stream.point(lambda, phi); - } else { - stream.point(to[0], to[1]); - } +function centroidRingEnd$1() { + centroidPointRing(x00$1, y00$1); } -var clipCircle = function(radius, delta) { - var cr = cos$1(radius), - smallRadius = cr > 0, - notHemisphere = abs(cr) > epsilon$2; // TODO optimise for this common case +function centroidPointFirstRing(x, y) { + centroidStream$1.point = centroidPointRing; + centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); +} - function interpolate(from, to, direction, stream) { - circleStream(stream, radius, delta, direction, from, to); - } +function centroidPointRing(x, y) { + var dx = x - x0$3, + dy = y - y0$3, + z = sqrt(dx * dx + dy * dy); - function visible(lambda, phi) { - return cos$1(lambda) * cos$1(phi) > cr; - } + X1$1 += z * (x0$3 + x) / 2; + Y1$1 += z * (y0$3 + y) / 2; + Z1$1 += z; - // Takes a line and cuts into visible segments. Return values used for polygon - // clipping: 0 - there were intersections or the line was empty; 1 - no - // intersections 2 - there were intersections, and the first and last segments - // should be rejoined. - function clipLine(stream) { - var point0, // previous point - c0, // code for previous point - v0, // visibility of previous point - v00, // visibility of first point - clean; // no intersections - return { - lineStart: function() { - v00 = v0 = false; - clean = 1; - }, - point: function(lambda, phi) { - var point1 = [lambda, phi], - point2, - v = visible(lambda, phi), - c = smallRadius - ? v ? 0 : code(lambda, phi) - : v ? code(lambda + (lambda < 0 ? pi$3 : -pi$3), phi) : 0; - if (!point0 && (v00 = v0 = v)) stream.lineStart(); - // Handle degeneracies. - // TODO ignore if not clipping polygons. - if (v !== v0) { - point2 = intersect(point0, point1); - if (!point2 || pointEqual(point0, point2) || pointEqual(point1, point2)) { - point1[0] += epsilon$2; - point1[1] += epsilon$2; - v = visible(point1[0], point1[1]); - } - } - if (v !== v0) { - clean = 0; - if (v) { - // outside going in - stream.lineStart(); - point2 = intersect(point1, point0); - stream.point(point2[0], point2[1]); - } else { - // inside going out - point2 = intersect(point0, point1); - stream.point(point2[0], point2[1]); - stream.lineEnd(); - } - point0 = point2; - } else if (notHemisphere && point0 && smallRadius ^ v) { - var t; - // If the codes for two points are different, or are both zero, - // and there this segment intersects with the small circle. - if (!(c & c0) && (t = intersect(point1, point0, true))) { - clean = 0; - if (smallRadius) { - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - } else { - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - } - } - } - if (v && (!point0 || !pointEqual(point0, point1))) { - stream.point(point1[0], point1[1]); - } - point0 = point1, v0 = v, c0 = c; - }, - lineEnd: function() { - if (v0) stream.lineEnd(); - point0 = null; - }, - // Rejoin first and last segments if there were intersections and the first - // and last points were visible. - clean: function() { - return clean | ((v00 && v0) << 1); + z = y0$3 * x - x0$3 * y; + X2$1 += z * (x0$3 + x); + Y2$1 += z * (y0$3 + y); + Z2$1 += z * 3; + centroidPoint$1(x0$3 = x, y0$3 = y); +} + +function PathContext(context) { + this._context = context; +} + +PathContext.prototype = { + _radius: 4.5, + pointRadius: function(_) { + return this._radius = _, this; + }, + polygonStart: function() { + this._line = 0; + }, + polygonEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line === 0) this._context.closePath(); + this._point = NaN; + }, + point: function(x, y) { + switch (this._point) { + case 0: { + this._context.moveTo(x, y); + this._point = 1; + break; } - }; + case 1: { + this._context.lineTo(x, y); + break; + } + default: { + this._context.moveTo(x + this._radius, y); + this._context.arc(x, y, this._radius, 0, tau$3); + break; + } + } + }, + result: noop$1 +}; + +var lengthSum$1 = adder(); +var lengthRing; +var x00$2; +var y00$2; +var x0$4; +var y0$4; + +var lengthStream$1 = { + point: noop$1, + lineStart: function() { + lengthStream$1.point = lengthPointFirst$1; + }, + lineEnd: function() { + if (lengthRing) lengthPoint$1(x00$2, y00$2); + lengthStream$1.point = noop$1; + }, + polygonStart: function() { + lengthRing = true; + }, + polygonEnd: function() { + lengthRing = null; + }, + result: function() { + var length = +lengthSum$1; + lengthSum$1.reset(); + return length; } +}; - // Intersects the great circle between a and b with the clip circle. - function intersect(a, b, two) { - var pa = cartesian(a), - pb = cartesian(b); +function lengthPointFirst$1(x, y) { + lengthStream$1.point = lengthPoint$1; + x00$2 = x0$4 = x, y00$2 = y0$4 = y; +} - // We have two planes, n1.p = d1 and n2.p = d2. - // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). - var n1 = [1, 0, 0], // normal - n2 = cartesianCross(pa, pb), - n2n2 = cartesianDot(n2, n2), - n1n2 = n2[0], // cartesianDot(n1, n2), - determinant = n2n2 - n1n2 * n1n2; +function lengthPoint$1(x, y) { + x0$4 -= x, y0$4 -= y; + lengthSum$1.add(sqrt(x0$4 * x0$4 + y0$4 * y0$4)); + x0$4 = x, y0$4 = y; +} - // Two polar points. - if (!determinant) return !two && a; +function PathString() { + this._string = []; +} - var c1 = cr * n2n2 / determinant, - c2 = -cr * n1n2 / determinant, - n1xn2 = cartesianCross(n1, n2), - A = cartesianScale(n1, c1), - B = cartesianScale(n2, c2); - cartesianAddInPlace(A, B); +PathString.prototype = { + _radius: 4.5, + _circle: circle$1(4.5), + pointRadius: function(_) { + if ((_ = +_) !== this._radius) this._radius = _, this._circle = null; + return this; + }, + polygonStart: function() { + this._line = 0; + }, + polygonEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line === 0) this._string.push("Z"); + this._point = NaN; + }, + point: function(x, y) { + switch (this._point) { + case 0: { + this._string.push("M", x, ",", y); + this._point = 1; + break; + } + case 1: { + this._string.push("L", x, ",", y); + break; + } + default: { + if (this._circle == null) this._circle = circle$1(this._radius); + this._string.push("M", x, ",", y, this._circle); + break; + } + } + }, + result: function() { + if (this._string.length) { + var result = this._string.join(""); + this._string = []; + return result; + } else { + return null; + } + } +}; - // Solve |p(t)|^2 = 1. - var u = n1xn2, - w = cartesianDot(A, u), - uu = cartesianDot(u, u), - t2 = w * w - uu * (cartesianDot(A, A) - 1); +function circle$1(radius) { + return "m0," + radius + + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + + "z"; +} - if (t2 < 0) return; +function index$1(projection, context) { + var pointRadius = 4.5, + projectionStream, + contextStream; - var t = sqrt(t2), - q = cartesianScale(u, (-w - t) / uu); - cartesianAddInPlace(q, A); - q = spherical(q); + function path(object) { + if (object) { + if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); + geoStream(object, projectionStream(contextStream)); + } + return contextStream.result(); + } - if (!two) return q; + path.area = function(object) { + geoStream(object, projectionStream(areaStream$1)); + return areaStream$1.result(); + }; - // Two intersection points. - var lambda0 = a[0], - lambda1 = b[0], - phi0 = a[1], - phi1 = b[1], - z; + path.measure = function(object) { + geoStream(object, projectionStream(lengthStream$1)); + return lengthStream$1.result(); + }; - if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; + path.bounds = function(object) { + geoStream(object, projectionStream(boundsStream$1)); + return boundsStream$1.result(); + }; - var delta = lambda1 - lambda0, - polar = abs(delta - pi$3) < epsilon$2, - meridian = polar || delta < epsilon$2; + path.centroid = function(object) { + geoStream(object, projectionStream(centroidStream$1)); + return centroidStream$1.result(); + }; - if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; + path.projection = function(_) { + return arguments.length ? (projectionStream = _ == null ? (projection = null, identity$4) : (projection = _).stream, path) : projection; + }; - // Check that the first point is between a and b. - if (meridian - ? polar - ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$2 ? phi0 : phi1) - : phi0 <= q[1] && q[1] <= phi1 - : delta > pi$3 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { - var q1 = cartesianScale(u, (-w + t) / uu); - cartesianAddInPlace(q1, A); - return [q, spherical(q1)]; - } - } + path.context = function(_) { + if (!arguments.length) return context; + contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); + if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); + return path; + }; - // Generates a 4-bit vector representing the location of a point relative to - // the small circle's bounding box. - function code(lambda, phi) { - var r = smallRadius ? radius : pi$3 - radius, - code = 0; - if (lambda < -r) code |= 1; // left - else if (lambda > r) code |= 2; // right - if (phi < -r) code |= 4; // below - else if (phi > r) code |= 8; // above - return code; - } + path.pointRadius = function(_) { + if (!arguments.length) return pointRadius; + pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); + return path; + }; - return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$3, radius - pi$3]); -}; + return path.projection(projection).context(context); +} -var transform = function(methods) { +function transform(methods) { return { stream: transformer(methods) }; -}; +} function transformer(methods) { return function(stream) { @@ -8911,41 +8987,57 @@ TransformStream.prototype = { polygonEnd: function() { this.stream.polygonEnd(); } }; -function fitExtent(projection, extent, object) { - var w = extent[1][0] - extent[0][0], - h = extent[1][1] - extent[0][1], - clip = projection.clipExtent && projection.clipExtent(); - - projection - .scale(150) - .translate([0, 0]); - +function fit(projection, fitBounds, object) { + var clip = projection.clipExtent && projection.clipExtent(); + projection.scale(150).translate([0, 0]); if (clip != null) projection.clipExtent(null); - geoStream(object, projection.stream(boundsStream$1)); - - var b = boundsStream$1.result(), - k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), - x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, - y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; - + fitBounds(boundsStream$1.result()); if (clip != null) projection.clipExtent(clip); + return projection; +} - return projection - .scale(k * 150) - .translate([x, y]); +function fitExtent(projection, extent, object) { + return fit(projection, function(b) { + var w = extent[1][0] - extent[0][0], + h = extent[1][1] - extent[0][1], + k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), + x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, + y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; + projection.scale(150 * k).translate([x, y]); + }, object); } function fitSize(projection, size, object) { return fitExtent(projection, [[0, 0], size], object); } +function fitWidth(projection, width, object) { + return fit(projection, function(b) { + var w = +width, + k = w / (b[1][0] - b[0][0]), + x = (w - k * (b[1][0] + b[0][0])) / 2, + y = -k * b[0][1]; + projection.scale(150 * k).translate([x, y]); + }, object); +} + +function fitHeight(projection, height, object) { + return fit(projection, function(b) { + var h = +height, + k = h / (b[1][1] - b[0][1]), + x = -k * b[0][0], + y = (h - k * (b[1][1] + b[0][1])) / 2; + projection.scale(150 * k).translate([x, y]); + }, object); +} + var maxDepth = 16; var cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) -var resample = function(project, delta2) { +function resample(project, delta2) { return +delta2 ? resample$1(project, delta2) : resampleNone(project); -}; +} function resampleNone(project) { return transformer({ @@ -9045,6 +9137,15 @@ var transformRadians = transformer({ } }); +function transformRotate(rotate) { + return transformer({ + point: function(x, y) { + var r = rotate(x, y); + return this.stream.point(r[0], r[1]); + } + }); +} + function projection(project) { return projectionMutator(function() { return project; })(); } @@ -9075,16 +9176,24 @@ function projectionMutator(projectAt) { return x = project(x, y), [x[0] * k + dx, dy - x[1] * k]; } - projection.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = transformRadians(preclip(rotate, projectResample(postclip(cacheStream = stream)))); + projection.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = transformRadians(transformRotate(rotate)(preclip(projectResample(postclip(cacheStream = stream))))); + }; + + projection.preclip = function(_) { + return arguments.length ? (preclip = _, theta = undefined, reset()) : preclip; + }; + + projection.postclip = function(_) { + return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; }; projection.clipAngle = function(_) { - return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians, 6 * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1; + return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1; }; projection.clipExtent = function(_) { - return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; }; projection.scale = function(_) { @@ -9115,6 +9224,14 @@ function projectionMutator(projectAt) { return fitSize(projection, size, object); }; + projection.fitWidth = function(width, object) { + return fitWidth(projection, width, object); + }; + + projection.fitHeight = function(height, object) { + return fitHeight(projection, height, object); + }; + function recenter() { projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); var center = project(lambda, phi); @@ -9183,20 +9300,20 @@ function conicEqualAreaRaw(y0, y1) { return project; } -var conicEqualArea = function() { +function conicEqualArea() { return conicProjection(conicEqualAreaRaw) .scale(155.424) .center([0, 33.6442]); -}; +} -var albers = function() { +function albers() { return conicEqualArea() .parallels([29.5, 45.5]) .scale(1070) .translate([480, 250]) .rotate([96, 0]) .center([-0.6, 38.7]); -}; +} // The projections must have mutually exclusive clip regions on the sphere, // as this will avoid emitting interleaving lines and polygons. @@ -9217,7 +9334,7 @@ function multiplex(streams) { // scale to 1285 and adjust the translate accordingly. The set of standard // parallels for each region comes from USGS, which is published here: // http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers -var albersUsa = function() { +function albersUsa() { var cache, cacheStream, lower48 = albers(), lower48Point, @@ -9227,8 +9344,7 @@ var albersUsa = function() { function albersUsa(coordinates) { var x = coordinates[0], y = coordinates[1]; - return point = null, - (lower48Point.point(x, y), point) + return point = null, (lower48Point.point(x, y), point) || (alaskaPoint.point(x, y), point) || (hawaiiPoint.point(x, y), point); } @@ -9289,13 +9405,21 @@ var albersUsa = function() { return fitSize(albersUsa, size, object); }; + albersUsa.fitWidth = function(width, object) { + return fitWidth(albersUsa, width, object); + }; + + albersUsa.fitHeight = function(height, object) { + return fitHeight(albersUsa, height, object); + }; + function reset() { cache = cacheStream = null; return albersUsa; } return albersUsa.scale(1070); -}; +} function azimuthalRaw(scale) { return function(x, y) { @@ -9330,11 +9454,11 @@ azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) { return 2 * asin(z / 2); }); -var azimuthalEqualArea = function() { +function azimuthalEqualArea() { return projection(azimuthalEqualAreaRaw) .scale(124.75) .clipAngle(180 - 1e-3); -}; +} var azimuthalEquidistantRaw = azimuthalRaw(function(c) { return (c = acos(c)) && c / sin$1(c); @@ -9344,11 +9468,11 @@ azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) { return z; }); -var azimuthalEquidistant = function() { +function azimuthalEquidistant() { return projection(azimuthalEquidistantRaw) .scale(79.4188) .clipAngle(180 - 1e-3); -}; +} function mercatorRaw(lambda, phi) { return [lambda, log(tan((halfPi$2 + phi) / 2))]; @@ -9358,10 +9482,10 @@ mercatorRaw.invert = function(x, y) { return [x, 2 * atan(exp(y)) - halfPi$2]; }; -var mercator = function() { +function mercator() { return mercatorProjection(mercatorRaw) .scale(961 / tau$3); -}; +} function mercatorProjection(project) { var m = projection(project), @@ -9384,7 +9508,7 @@ function mercatorProjection(project) { }; m.clipExtent = function(_) { - return arguments.length ? ((_ == null ? x0 = y0 = x1 = y1 = null : (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1])), reclip()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + return arguments.length ? (_ == null ? x0 = y0 = x1 = y1 = null : (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reclip()) : x0 == null ? null : [[x0, y0], [x1, y1]]; }; function reclip() { @@ -9425,11 +9549,11 @@ function conicConformalRaw(y0, y1) { return project; } -var conicConformal = function() { +function conicConformal() { return conicProjection(conicConformalRaw) .scale(109.5) .parallels([30, 30]); -}; +} function equirectangularRaw(lambda, phi) { return [lambda, phi]; @@ -9437,10 +9561,10 @@ function equirectangularRaw(lambda, phi) { equirectangularRaw.invert = equirectangularRaw; -var equirectangular = function() { +function equirectangular() { return projection(equirectangularRaw) .scale(152.63); -}; +} function conicEquidistantRaw(y0, y1) { var cy0 = cos$1(y0), @@ -9462,11 +9586,11 @@ function conicEquidistantRaw(y0, y1) { return project; } -var conicEquidistant = function() { +function conicEquidistant() { return conicProjection(conicEquidistantRaw) .scale(131.154) .center([0, 13.9389]); -}; +} function gnomonicRaw(x, y) { var cy = cos$1(y), k = cos$1(x) * cy; @@ -9475,11 +9599,11 @@ function gnomonicRaw(x, y) { gnomonicRaw.invert = azimuthalInvert(atan); -var gnomonic = function() { +function gnomonic() { return projection(gnomonicRaw) .scale(144.049) .clipAngle(60); -}; +} function scaleTranslate(kx, ky, tx, ty) { return kx === 1 && ky === 1 && tx === 0 && ty === 0 ? identity$4 : transformer({ @@ -9489,9 +9613,10 @@ function scaleTranslate(kx, ky, tx, ty) { }); } -var identity$5 = function() { +function identity$5() { var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, transform$$1 = identity$4, // scale, translate and reflect - x0 = null, y0, x1, y1, clip = identity$4, // clip extent + x0 = null, y0, x1, y1, // clip extent + postclip = identity$4, cache, cacheStream, projection; @@ -9503,10 +9628,13 @@ var identity$5 = function() { return projection = { stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = transform$$1(clip(cacheStream = stream)); + return cache && cacheStream === stream ? cache : cache = transform$$1(postclip(cacheStream = stream)); + }, + postclip: function(_) { + return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; }, clipExtent: function(_) { - return arguments.length ? (clip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; }, scale: function(_) { return arguments.length ? (transform$$1 = scaleTranslate((k = +_) * sx, k * sy, tx, ty), reset()) : k; @@ -9525,21 +9653,53 @@ var identity$5 = function() { }, fitSize: function(size, object) { return fitSize(projection, size, object); + }, + fitWidth: function(width, object) { + return fitWidth(projection, width, object); + }, + fitHeight: function(height, object) { + return fitHeight(projection, height, object); } }; +} + +function naturalEarth1Raw(lambda, phi) { + var phi2 = phi * phi, phi4 = phi2 * phi2; + return [ + lambda * (0.8707 - 0.131979 * phi2 + phi4 * (-0.013791 + phi4 * (0.003971 * phi2 - 0.001529 * phi4))), + phi * (1.007226 + phi2 * (0.015085 + phi4 * (-0.044475 + 0.028874 * phi2 - 0.005916 * phi4))) + ]; +} + +naturalEarth1Raw.invert = function(x, y) { + var phi = y, i = 25, delta; + do { + var phi2 = phi * phi, phi4 = phi2 * phi2; + phi -= delta = (phi * (1.007226 + phi2 * (0.015085 + phi4 * (-0.044475 + 0.028874 * phi2 - 0.005916 * phi4))) - y) / + (1.007226 + phi2 * (0.015085 * 3 + phi4 * (-0.044475 * 7 + 0.028874 * 9 * phi2 - 0.005916 * 11 * phi4))); + } while (abs(delta) > epsilon$2 && --i > 0); + return [ + x / (0.8707 + (phi2 = phi * phi) * (-0.131979 + phi2 * (-0.013791 + phi2 * phi2 * phi2 * (0.003971 - 0.001529 * phi2)))), + phi + ]; }; +function naturalEarth1() { + return projection(naturalEarth1Raw) + .scale(175.295); +} + function orthographicRaw(x, y) { return [cos$1(y) * sin$1(x), sin$1(y)]; } orthographicRaw.invert = azimuthalInvert(asin); -var orthographic = function() { +function orthographic() { return projection(orthographicRaw) .scale(249.5) .clipAngle(90 + epsilon$2); -}; +} function stereographicRaw(x, y) { var cy = cos$1(y), k = 1 + cos$1(x) * cy; @@ -9550,11 +9710,11 @@ stereographicRaw.invert = azimuthalInvert(function(z) { return 2 * atan(z); }); -var stereographic = function() { +function stereographic() { return projection(stereographicRaw) .scale(250) .clipAngle(142); -}; +} function transverseMercatorRaw(lambda, phi) { return [log(tan((halfPi$2 + phi) / 2)), -lambda]; @@ -9564,7 +9724,7 @@ transverseMercatorRaw.invert = function(x, y) { return [-y, 2 * atan(exp(x)) - halfPi$2]; }; -var transverseMercator = function() { +function transverseMercator() { var m = mercatorProjection(transverseMercatorRaw), center = m.center, rotate = m.rotate; @@ -9579,7 +9739,7 @@ var transverseMercator = function() { return rotate([0, 0, 90]) .scale(159.155); -}; +} function defaultSeparation(a, b) { return a.parent === b.parent ? 1 : 2; @@ -9613,7 +9773,7 @@ function leafRight(node) { return node; } -var cluster = function() { +function cluster() { var separation = defaultSeparation, dx = 1, dy = 1, @@ -9664,7 +9824,7 @@ var cluster = function() { }; return cluster; -}; +} function count(node) { var sum = 0, @@ -9675,11 +9835,11 @@ function count(node) { node.value = sum; } -var node_count = function() { +function node_count() { return this.eachAfter(count); -}; +} -var node_each = function(callback) { +function node_each(callback) { var node = this, current, next = [node], children, i, n; do { current = next.reverse(), next = []; @@ -9691,9 +9851,9 @@ var node_each = function(callback) { } } while (next.length); return this; -}; +} -var node_eachBefore = function(callback) { +function node_eachBefore(callback) { var node = this, nodes = [node], children, i; while (node = nodes.pop()) { callback(node), children = node.children; @@ -9702,9 +9862,9 @@ var node_eachBefore = function(callback) { } } return this; -}; +} -var node_eachAfter = function(callback) { +function node_eachAfter(callback) { var node = this, nodes = [node], next = [], children, i, n; while (node = nodes.pop()) { next.push(node), children = node.children; @@ -9716,9 +9876,9 @@ var node_eachAfter = function(callback) { callback(node); } return this; -}; +} -var node_sum = function(value) { +function node_sum(value) { return this.eachAfter(function(node) { var sum = +value(node.data) || 0, children = node.children, @@ -9726,17 +9886,17 @@ var node_sum = function(value) { while (--i >= 0) sum += children[i].value; node.value = sum; }); -}; +} -var node_sort = function(compare) { +function node_sort(compare) { return this.eachBefore(function(node) { if (node.children) { node.children.sort(compare); } }); -}; +} -var node_path = function(end) { +function node_path(end) { var start = this, ancestor = leastCommonAncestor(start, end), nodes = [start]; @@ -9750,7 +9910,7 @@ var node_path = function(end) { end = end.parent; } return nodes; -}; +} function leastCommonAncestor(a, b) { if (a === b) return a; @@ -9767,23 +9927,23 @@ function leastCommonAncestor(a, b) { return c; } -var node_ancestors = function() { +function node_ancestors() { var node = this, nodes = [node]; while (node = node.parent) { nodes.push(node); } return nodes; -}; +} -var node_descendants = function() { +function node_descendants() { var nodes = []; this.each(function(node) { nodes.push(node); }); return nodes; -}; +} -var node_leaves = function() { +function node_leaves() { var leaves = []; this.eachBefore(function(node) { if (!node.children) { @@ -9791,9 +9951,9 @@ var node_leaves = function() { } }); return leaves; -}; +} -var node_links = function() { +function node_links() { var root = this, links = []; root.each(function(node) { if (node !== root) { // Don’t include the root’s parent, if any. @@ -9801,7 +9961,7 @@ var node_links = function() { } }); return links; -}; +} function hierarchy(data, children) { var root = new Node(data), @@ -9888,7 +10048,7 @@ function shuffle$1(array) { return array; } -var enclose = function(circles) { +function enclose(circles) { var i = 0, n = (circles = shuffle$1(slice$3.call(circles))).length, B = [], p, e; while (i < n) { @@ -9898,7 +10058,7 @@ var enclose = function(circles) { } return e; -}; +} function extendBasis(B, p) { var i, j; @@ -10114,10 +10274,10 @@ function packEnclose(circles) { return c.r; } -var siblings = function(circles) { +function siblings(circles) { packEnclose(circles); return circles; -}; +} function optional(f) { return f == null ? null : required(f); @@ -10132,17 +10292,17 @@ function constantZero() { return 0; } -var constant$8 = function(x) { +function constant$8(x) { return function() { return x; }; -}; +} function defaultRadius$1(d) { return Math.sqrt(d.value); } -var index$2 = function() { +function index$2() { var radius = null, dx = 1, dy = 1, @@ -10176,7 +10336,7 @@ var index$2 = function() { }; return pack; -}; +} function radiusLeaf(radius) { return function(node) { @@ -10214,14 +10374,14 @@ function translateChild(k) { }; } -var roundNode = function(node) { +function roundNode(node) { node.x0 = Math.round(node.x0); node.y0 = Math.round(node.y0); node.x1 = Math.round(node.x1); node.y1 = Math.round(node.y1); -}; +} -var treemapDice = function(parent, x0, y0, x1, y1) { +function treemapDice(parent, x0, y0, x1, y1) { var nodes = parent.children, node, i = -1, @@ -10232,9 +10392,9 @@ var treemapDice = function(parent, x0, y0, x1, y1) { node = nodes[i], node.y0 = y0, node.y1 = y1; node.x0 = x0, node.x1 = x0 += node.value * k; } -}; +} -var partition = function() { +function partition() { var dx = 1, dy = 1, padding = 0, @@ -10282,7 +10442,7 @@ var partition = function() { }; return partition; -}; +} var keyPrefix$1 = "$"; var preroot = {depth: -1}; @@ -10296,7 +10456,7 @@ function defaultParentId(d) { return d.parentId; } -var stratify = function() { +function stratify() { var id = defaultId, parentId = defaultParentId; @@ -10353,7 +10513,7 @@ var stratify = function() { }; return stratify; -}; +} function defaultSeparation$1(a, b) { return a.parent === b.parent ? 1 : 2; @@ -10452,7 +10612,7 @@ function treeRoot(root) { } // Node-link tree diagram using the Reingold-Tilford "tidy" algorithm -var tree = function() { +function tree() { var separation = defaultSeparation$1, dx = 1, dy = 1, @@ -10589,9 +10749,9 @@ var tree = function() { }; return tree; -}; +} -var treemapSlice = function(parent, x0, y0, x1, y1) { +function treemapSlice(parent, x0, y0, x1, y1) { var nodes = parent.children, node, i = -1, @@ -10602,7 +10762,7 @@ var treemapSlice = function(parent, x0, y0, x1, y1) { node = nodes[i], node.x0 = x0, node.x1 = x1; node.y0 = y0, node.y1 = y0 += node.value * k; } -}; +} var phi = (1 + Math.sqrt(5)) / 2; @@ -10668,7 +10828,7 @@ var squarify = (function custom(ratio) { return squarify; })(phi); -var index$3 = function() { +function index$3() { var tile = squarify, round = false, dx = 1, @@ -10756,9 +10916,9 @@ var index$3 = function() { }; return treemap; -}; +} -var binary = function(parent, x0, y0, x1, y1) { +function binary(parent, x0, y0, x1, y1) { var nodes = parent.children, i, n = nodes.length, sum, sums = new Array(n + 1); @@ -10803,11 +10963,11 @@ var binary = function(parent, x0, y0, x1, y1) { partition(k, j, valueRight, x0, yk, x1, y1); } } -}; +} -var sliceDice = function(parent, x0, y0, x1, y1) { +function sliceDice(parent, x0, y0, x1, y1) { (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); -}; +} var resquarify = (function custom(ratio) { @@ -10842,7 +11002,7 @@ var resquarify = (function custom(ratio) { return resquarify; })(phi); -var area$1 = function(polygon) { +function area$1(polygon) { var i = -1, n = polygon.length, a, @@ -10856,9 +11016,9 @@ var area$1 = function(polygon) { } return area / 2; -}; +} -var centroid$1 = function(polygon) { +function centroid$1(polygon) { var i = -1, n = polygon.length, x = 0, @@ -10877,15 +11037,15 @@ var centroid$1 = function(polygon) { } return k *= 3, [x / k, y / k]; -}; +} // Returns the 2D cross product of AB and AC vectors, i.e., the z-component of // the 3D cross product in a quadrant I Cartesian coordinate system (+x is // right, +y is up). Returns a positive value if ABC is counter-clockwise, // negative if clockwise, and zero if the points are collinear. -var cross$1 = function(a, b, c) { +function cross$1(a, b, c) { return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); -}; +} function lexicographicOrder(a, b) { return a[0] - b[0] || a[1] - b[1]; @@ -10907,7 +11067,7 @@ function computeUpperHullIndexes(points) { return indexes.slice(0, size); // remove popped points } -var hull = function(points) { +function hull(points) { if ((n = points.length) < 3) return null; var i, @@ -10933,9 +11093,9 @@ var hull = function(points) { for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]); return hull; -}; +} -var contains$1 = function(polygon, point) { +function contains$1(polygon, point) { var n = polygon.length, p = polygon[n - 1], x = point[0], y = point[1], @@ -10950,9 +11110,9 @@ var contains$1 = function(polygon, point) { } return inside; -}; +} -var length$2 = function(polygon) { +function length$2(polygon) { var i = -1, n = polygon.length, b = polygon[n - 1], @@ -10974,7 +11134,7 @@ var length$2 = function(polygon) { } return perimeter; -}; +} var slice$4 = [].slice; @@ -11098,9 +11258,9 @@ function queue(concurrency) { return new Queue(concurrency); } -var defaultSource$1 = function() { +function defaultSource$1() { return Math.random(); -}; +} var uniform = (function sourceRandomUniform(source) { function randomUniform(min, max) { @@ -11196,7 +11356,7 @@ var exponential$1 = (function sourceRandomExponential(source) { return randomExponential; })(defaultSource$1); -var request = function(url, callback) { +function request(url, callback) { var request, event = dispatch("beforesend", "progress", "load", "error"), mimeType, @@ -11330,7 +11490,7 @@ var request = function(url, callback) { } return request; -}; +} function fixCallback(callback) { return function(error, xhr) { @@ -11345,7 +11505,7 @@ function hasResponse(xhr) { : xhr.responseText; // "" on error } -var type$1 = function(defaultMimeType, response) { +function type$1(defaultMimeType, response) { return function(url, callback) { var r = request(url).mimeType(defaultMimeType).response(response); if (callback != null) { @@ -11354,7 +11514,7 @@ var type$1 = function(defaultMimeType, response) { } return r; }; -}; +} var html = type$1("text/html", function(xhr) { return document.createRange().createContextualFragment(xhr.responseText); @@ -11374,7 +11534,7 @@ var xml = type$1("application/xml", function(xhr) { return xml; }); -var dsv$1 = function(defaultMimeType, parse) { +function dsv$1(defaultMimeType, parse) { return function(url, row, callback) { if (arguments.length < 3) callback = row, row = null; var r = request(url).mimeType(defaultMimeType); @@ -11382,7 +11542,7 @@ var dsv$1 = function(defaultMimeType, parse) { r.row(row); return callback ? r.get(callback) : r; }; -}; +} function responseOf(parse, row) { return function(request$$1) { @@ -11542,15 +11702,15 @@ function point$1() { return pointish(band().paddingInner(1)); } -var constant$9 = function(x) { +function constant$9(x) { return function() { return x; }; -}; +} -var number$2 = function(x) { +function number$2(x) { return +x; -}; +} var unit = [0, 1]; @@ -11599,7 +11759,7 @@ function polymap(domain, range, deinterpolate, reinterpolate) { } return function(x) { - var i = bisectRight$1(domain, x, 1, j) - 1; + var i = bisectRight(domain, x, 1, j) - 1; return r[i](d[i](x)); }; } @@ -11660,7 +11820,7 @@ function continuous(deinterpolate, reinterpolate) { return rescale(); } -var tickFormat = function(domain, count, specifier) { +function tickFormat(domain, count, specifier) { var start = domain[0], stop = domain[domain.length - 1], step = tickStep(start, stop, count == null ? 10 : count), @@ -11687,7 +11847,7 @@ var tickFormat = function(domain, count, specifier) { } } return exports.format(specifier); -}; +} function linearish(scale) { var domain = scale.domain; @@ -11774,7 +11934,7 @@ function identity$6() { return linearish(scale); } -var nice = function(domain, interval) { +function nice(domain, interval) { domain = domain.slice(); var i0 = 0, @@ -11791,7 +11951,7 @@ var nice = function(domain, interval) { domain[i0] = interval.floor(x0); domain[i1] = interval.ceil(x1); return domain; -}; +} function deinterpolate(a, b) { return (b = Math.log(b / a)) @@ -11964,7 +12124,7 @@ function quantile$$1() { } function scale(x) { - if (!isNaN(x = +x)) return range[bisectRight$1(thresholds, x)]; + if (!isNaN(x = +x)) return range[bisectRight(thresholds, x)]; } scale.invertExtent = function(y) { @@ -12008,7 +12168,7 @@ function quantize$1() { range = [0, 1]; function scale(x) { - if (x <= x) return range[bisectRight$1(domain, x, 0, n)]; + if (x <= x) return range[bisectRight(domain, x, 0, n)]; } function rescale() { @@ -12049,7 +12209,7 @@ function threshold$1() { n = 1; function scale(x) { - if (x <= x) return range[bisectRight$1(domain, x, 0, n)]; + if (x <= x) return range[bisectRight(domain, x, 0, n)]; } scale.domain = function(_) { @@ -12100,11 +12260,12 @@ function newInterval(floori, offseti, count, field) { }; interval.range = function(start, stop, step) { - var range = []; + var range = [], previous; start = interval.ceil(start); step = step == null ? 1 : Math.floor(step); if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date - do range.push(new Date(+start)); while (offseti(start, step), floori(start), start < stop) + do range.push(previous = new Date(+start)), offseti(start, step), floori(start); + while (previous < start && start < stop); return range; }; @@ -12437,6 +12598,7 @@ function formatLocale$1(locale) { "c": null, "d": formatDayOfMonth, "e": formatDayOfMonth, + "f": formatMicroseconds, "H": formatHour24, "I": formatHour12, "j": formatDayOfYear, @@ -12444,9 +12606,13 @@ function formatLocale$1(locale) { "m": formatMonthNumber, "M": formatMinutes, "p": formatPeriod, + "Q": formatUnixTimestamp, + "s": formatUnixTimestampSeconds, "S": formatSeconds, + "u": formatWeekdayNumberMonday, "U": formatWeekNumberSunday, - "w": formatWeekdayNumber, + "V": formatWeekNumberISO, + "w": formatWeekdayNumberSunday, "W": formatWeekNumberMonday, "x": null, "X": null, @@ -12464,6 +12630,7 @@ function formatLocale$1(locale) { "c": null, "d": formatUTCDayOfMonth, "e": formatUTCDayOfMonth, + "f": formatUTCMicroseconds, "H": formatUTCHour24, "I": formatUTCHour12, "j": formatUTCDayOfYear, @@ -12471,9 +12638,13 @@ function formatLocale$1(locale) { "m": formatUTCMonthNumber, "M": formatUTCMinutes, "p": formatUTCPeriod, + "Q": formatUnixTimestamp, + "s": formatUnixTimestampSeconds, "S": formatUTCSeconds, + "u": formatUTCWeekdayNumberMonday, "U": formatUTCWeekNumberSunday, - "w": formatUTCWeekdayNumber, + "V": formatUTCWeekNumberISO, + "w": formatUTCWeekdayNumberSunday, "W": formatUTCWeekNumberMonday, "x": null, "X": null, @@ -12491,6 +12662,7 @@ function formatLocale$1(locale) { "c": parseLocaleDateTime, "d": parseDayOfMonth, "e": parseDayOfMonth, + "f": parseMicroseconds, "H": parseHour24, "I": parseHour24, "j": parseDayOfYear, @@ -12498,9 +12670,13 @@ function formatLocale$1(locale) { "m": parseMonthNumber, "M": parseMinutes, "p": parsePeriod, + "Q": parseUnixTimestamp, + "s": parseUnixTimestampSeconds, "S": parseSeconds, + "u": parseWeekdayNumberMonday, "U": parseWeekNumberSunday, - "w": parseWeekdayNumber, + "V": parseWeekNumberISO, + "w": parseWeekdayNumberSunday, "W": parseWeekNumberMonday, "x": parseLocaleDate, "X": parseLocaleTime, @@ -12549,16 +12725,38 @@ function formatLocale$1(locale) { function newParse(specifier, newDate) { return function(string) { var d = newYear(1900), - i = parseSpecifier(d, specifier, string += "", 0); + i = parseSpecifier(d, specifier, string += "", 0), + week, day$$1; if (i != string.length) return null; + // If a UNIX timestamp is specified, return it. + if ("Q" in d) return new Date(d.Q); + // The am-pm flag is 0 for AM, and 1 for PM. if ("p" in d) d.H = d.H % 12 + d.p * 12; // Convert day-of-week and week-of-year to day-of-year. - if ("W" in d || "U" in d) { - if (!("w" in d)) d.w = "W" in d ? 1 : 0; - var day$$1 = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay(); + if ("V" in d) { + if (d.V < 1 || d.V > 53) return null; + if (!("w" in d)) d.w = 1; + if ("Z" in d) { + week = utcDate(newYear(d.y)), day$$1 = week.getUTCDay(); + week = day$$1 > 4 || day$$1 === 0 ? utcMonday.ceil(week) : utcMonday(week); + week = utcDay.offset(week, (d.V - 1) * 7); + d.y = week.getUTCFullYear(); + d.m = week.getUTCMonth(); + d.d = week.getUTCDate() + (d.w + 6) % 7; + } else { + week = newDate(newYear(d.y)), day$$1 = week.getDay(); + week = day$$1 > 4 || day$$1 === 0 ? monday.ceil(week) : monday(week); + week = day.offset(week, (d.V - 1) * 7); + d.y = week.getFullYear(); + d.m = week.getMonth(); + d.d = week.getDate() + (d.w + 6) % 7; + } + } else if ("W" in d || "U" in d) { + if (!("w" in d)) d.w = "u" in d ? d.u % 7 : "W" in d ? 1 : 0; + day$$1 = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay(); d.m = 0; d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$$1 + 5) % 7 : d.w + d.U * 7 - (day$$1 + 6) % 7; } @@ -12702,7 +12900,7 @@ function formatLocale$1(locale) { var pads = {"-": "", "_": " ", "0": "0"}; var numberRe = /^\s*\d+/; var percentRe = /^%/; -var requoteRe = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; +var requoteRe = /[\\^$*+?|[\]().{}]/g; function pad(value, fill, width) { var sign = value < 0 ? "-" : "", @@ -12725,18 +12923,28 @@ function formatLookup(names) { return map; } -function parseWeekdayNumber(d, string, i) { +function parseWeekdayNumberSunday(d, string, i) { var n = numberRe.exec(string.slice(i, i + 1)); return n ? (d.w = +n[0], i + n[0].length) : -1; } +function parseWeekdayNumberMonday(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 1)); + return n ? (d.u = +n[0], i + n[0].length) : -1; +} + function parseWeekNumberSunday(d, string, i) { - var n = numberRe.exec(string.slice(i)); + var n = numberRe.exec(string.slice(i, i + 2)); return n ? (d.U = +n[0], i + n[0].length) : -1; } +function parseWeekNumberISO(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.V = +n[0], i + n[0].length) : -1; +} + function parseWeekNumberMonday(d, string, i) { - var n = numberRe.exec(string.slice(i)); + var n = numberRe.exec(string.slice(i, i + 2)); return n ? (d.W = +n[0], i + n[0].length) : -1; } @@ -12751,7 +12959,7 @@ function parseYear(d, string, i) { } function parseZone(d, string, i) { - var n = /^(Z)|([+-]\d\d)(?:\:?(\d\d))?/.exec(string.slice(i, i + 6)); + var n = /^(Z)|([+-]\d\d)(?::?(\d\d))?/.exec(string.slice(i, i + 6)); return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; } @@ -12790,11 +12998,26 @@ function parseMilliseconds(d, string, i) { return n ? (d.L = +n[0], i + n[0].length) : -1; } +function parseMicroseconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 6)); + return n ? (d.L = Math.floor(n[0] / 1000), i + n[0].length) : -1; +} + function parseLiteralPercent(d, string, i) { var n = percentRe.exec(string.slice(i, i + 1)); return n ? i + n[0].length : -1; } +function parseUnixTimestamp(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.Q = +n[0], i + n[0].length) : -1; +} + +function parseUnixTimestampSeconds(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.Q = (+n[0]) * 1000, i + n[0].length) : -1; +} + function formatDayOfMonth(d, p) { return pad(d.getDate(), p, 2); } @@ -12815,6 +13038,10 @@ function formatMilliseconds(d, p) { return pad(d.getMilliseconds(), p, 3); } +function formatMicroseconds(d, p) { + return formatMilliseconds(d, p) + "000"; +} + function formatMonthNumber(d, p) { return pad(d.getMonth() + 1, p, 2); } @@ -12827,11 +13054,22 @@ function formatSeconds(d, p) { return pad(d.getSeconds(), p, 2); } +function formatWeekdayNumberMonday(d) { + var day$$1 = d.getDay(); + return day$$1 === 0 ? 7 : day$$1; +} + function formatWeekNumberSunday(d, p) { return pad(sunday.count(year(d), d), p, 2); } -function formatWeekdayNumber(d) { +function formatWeekNumberISO(d, p) { + var day$$1 = d.getDay(); + d = (day$$1 >= 4 || day$$1 === 0) ? thursday(d) : thursday.ceil(d); + return pad(thursday.count(year(d), d) + (year(d).getDay() === 4), p, 2); +} + +function formatWeekdayNumberSunday(d) { return d.getDay(); } @@ -12874,6 +13112,10 @@ function formatUTCMilliseconds(d, p) { return pad(d.getUTCMilliseconds(), p, 3); } +function formatUTCMicroseconds(d, p) { + return formatUTCMilliseconds(d, p) + "000"; +} + function formatUTCMonthNumber(d, p) { return pad(d.getUTCMonth() + 1, p, 2); } @@ -12886,11 +13128,22 @@ function formatUTCSeconds(d, p) { return pad(d.getUTCSeconds(), p, 2); } +function formatUTCWeekdayNumberMonday(d) { + var dow = d.getUTCDay(); + return dow === 0 ? 7 : dow; +} + function formatUTCWeekNumberSunday(d, p) { return pad(utcSunday.count(utcYear(d), d), p, 2); } -function formatUTCWeekdayNumber(d) { +function formatUTCWeekNumberISO(d, p) { + var day$$1 = d.getUTCDay(); + d = (day$$1 >= 4 || day$$1 === 0) ? utcThursday(d) : utcThursday.ceil(d); + return pad(utcThursday.count(utcYear(d), d) + (utcYear(d).getUTCDay() === 4), p, 2); +} + +function formatUTCWeekdayNumberSunday(d) { return d.getUTCDay(); } @@ -12914,7 +13167,15 @@ function formatLiteralPercent() { return "%"; } -var locale$2; +function formatUnixTimestamp(d) { + return +d; +} + +function formatUnixTimestampSeconds(d) { + return Math.floor(+d / 1000); +} + +var locale$1; @@ -12932,12 +13193,12 @@ defaultLocale$1({ }); function defaultLocale$1(definition) { - locale$2 = formatLocale$1(definition); - exports.timeFormat = locale$2.format; - exports.timeParse = locale$2.parse; - exports.utcFormat = locale$2.utcFormat; - exports.utcParse = locale$2.utcParse; - return locale$2; + locale$1 = formatLocale$1(definition); + exports.timeFormat = locale$1.format; + exports.timeParse = locale$1.parse; + exports.utcFormat = locale$1.utcFormat; + exports.utcParse = locale$1.utcParse; + return locale$1; } var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; @@ -13037,7 +13298,7 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 step = i[1]; interval = i[0]; } else { - step = tickStep(start, stop, interval); + step = Math.max(tickStep(start, stop, interval), 1); interval = millisecond$$1; } } @@ -13083,19 +13344,19 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 return scale; } -var time = function() { +function time() { return calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]); -}; +} -var utcTime = function() { +function utcTime() { return calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); -}; +} -var colors = function(s) { +function colors(s) { return s.match(/.{6}/g).map(function(x) { return "#" + x; }); -}; +} var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); @@ -13113,14 +13374,14 @@ var cool = cubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); var rainbow = cubehelix(); -var rainbow$1 = function(t) { +function rainbow$1(t) { if (t < 0 || t > 1) t -= Math.floor(t); var ts = Math.abs(t - 0.5); rainbow.h = 360 * t - 100; rainbow.s = 1.5 - 1.5 * ts; rainbow.l = 0.8 - 0.9 * ts; return rainbow + ""; -}; +} function ramp(range) { var n = range.length; @@ -13166,11 +13427,11 @@ function sequential(interpolator) { return linearish(scale); } -var constant$10 = function(x) { +function constant$10(x) { return function constant() { return x; }; -}; +} var abs$1 = Math.abs; var atan2$1 = Math.atan2; @@ -13263,7 +13524,7 @@ function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { }; } -var arc = function() { +function arc() { var innerRadius = arcInnerRadius, outerRadius = arcOuterRadius, cornerRadius = constant$10(0), @@ -13443,11 +13704,11 @@ var arc = function() { }; arc.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), arc) : context; + return arguments.length ? (context = _ == null ? null : _, arc) : context; }; return arc; -}; +} function Linear(context) { this._context = context; @@ -13477,11 +13738,11 @@ Linear.prototype = { } }; -var curveLinear = function(context) { +function curveLinear(context) { return new Linear(context); -}; +} -function x$4(p) { +function x$3(p) { return p[0]; } @@ -13489,8 +13750,8 @@ function y$3(p) { return p[1]; } -var line = function() { - var x$$1 = x$4, +function line() { + var x$$1 = x$3, y$$1 = y$3, defined = constant$10(true), context = null, @@ -13538,10 +13799,10 @@ var line = function() { }; return line; -}; +} -var area$2 = function() { - var x0 = x$4, +function area$2() { + var x0 = x$3, x1 = null, y0 = constant$10(0), y1 = y$3, @@ -13642,17 +13903,17 @@ var area$2 = function() { }; return area; -}; +} -var descending$1 = function(a, b) { +function descending$1(a, b) { return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; -}; +} -var identity$7 = function(d) { +function identity$7(d) { return d; -}; +} -var pie = function() { +function pie() { var value = identity$7, sortValues = descending$1, sort = null, @@ -13725,7 +13986,7 @@ var pie = function() { }; return pie; -}; +} var curveRadialLinear = curveRadial(curveLinear); @@ -13775,11 +14036,11 @@ function lineRadial(l) { return l; } -var lineRadial$1 = function() { +function lineRadial$1() { return lineRadial(line().curve(curveRadialLinear)); -}; +} -var areaRadial = function() { +function areaRadial() { var a = area$2().curve(curveRadialLinear), c = a.curve, x0 = a.lineX0, @@ -13803,11 +14064,11 @@ var areaRadial = function() { }; return a; -}; +} -var pointRadial = function(x, y) { +function pointRadial(x, y) { return [(y = +y) * Math.cos(x -= Math.PI / 2), y * Math.sin(x)]; -}; +} var slice$6 = Array.prototype.slice; @@ -13822,7 +14083,7 @@ function linkTarget(d) { function link$2(curve) { var source = linkSource, target = linkTarget, - x$$1 = x$4, + x$$1 = x$3, y$$1 = y$3, context = null; @@ -13850,7 +14111,7 @@ function link$2(curve) { }; link.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), link) : context; + return arguments.length ? (context = _ == null ? null : _, link) : context; }; return link; @@ -14012,7 +14273,7 @@ var symbols = [ wye ]; -var symbol = function() { +function symbol() { var type = constant$10(circle$2), size = constant$10(64), context = null; @@ -14037,9 +14298,9 @@ var symbol = function() { }; return symbol; -}; +} -var noop$2 = function() {}; +function noop$2() {} function point$2(that, x, y) { that._context.bezierCurveTo( @@ -14089,9 +14350,9 @@ Basis.prototype = { } }; -var basis$2 = function(context) { +function basis$2(context) { return new Basis(context); -}; +} function BasisClosed(context) { this._context = context; @@ -14139,9 +14400,9 @@ BasisClosed.prototype = { } }; -var basisClosed$1 = function(context) { +function basisClosed$1(context) { return new BasisClosed(context); -}; +} function BasisOpen(context) { this._context = context; @@ -14177,9 +14438,9 @@ BasisOpen.prototype = { } }; -var basisOpen = function(context) { +function basisOpen(context) { return new BasisOpen(context); -}; +} function Bundle(context, beta) { this._basis = new Basis(context); @@ -14642,9 +14903,9 @@ LinearClosed.prototype = { } }; -var linearClosed = function(context) { +function linearClosed(context) { return new LinearClosed(context); -}; +} function sign$1(x) { return x < 0 ? -1 : 1; @@ -14813,9 +15074,9 @@ function controlPoints(x) { return [a, b]; } -var natural = function(context) { +function natural(context) { return new Natural(context); -}; +} function Step(context, t) { this._context = context; @@ -14859,9 +15120,9 @@ Step.prototype = { } }; -var step = function(context) { +function step(context) { return new Step(context, 0.5); -}; +} function stepBefore(context) { return new Step(context, 0); @@ -14871,7 +15132,7 @@ function stepAfter(context) { return new Step(context, 1); } -var none$1 = function(series, order) { +function none$1(series, order) { if (!((n = series.length) > 1)) return; for (var i = 1, j, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { s0 = s1, s1 = series[order[i]]; @@ -14879,19 +15140,19 @@ var none$1 = function(series, order) { s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; } } -}; +} -var none$2 = function(series) { +function none$2(series) { var n = series.length, o = new Array(n); while (--n >= 0) o[n] = n; return o; -}; +} function stackValue(d, key) { return d[key]; } -var stack = function() { +function stack() { var keys = constant$10([]), order = none$2, offset = none$1, @@ -14938,18 +15199,18 @@ var stack = function() { }; return stack; -}; +} -var expand = function(series, order) { +function expand(series, order) { if (!((n = series.length) > 0)) return; for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; } none$1(series, order); -}; +} -var diverging = function(series, order) { +function diverging(series, order) { if (!((n = series.length) > 1)) return; for (var i, j = 0, d, dy, yp, yn, n, m = series[order[0]].length; j < m; ++j) { for (yp = yn = 0, i = 0; i < n; ++i) { @@ -14962,18 +15223,18 @@ var diverging = function(series, order) { } } } -}; +} -var silhouette = function(series, order) { +function silhouette(series, order) { if (!((n = series.length) > 0)) return; for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; s0[j][1] += s0[j][0] = -y / 2; } none$1(series, order); -}; +} -var wiggle = function(series, order) { +function wiggle(series, order) { if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; for (var y = 0, j = 1, s0, m, n; j < m; ++j) { for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { @@ -14994,12 +15255,12 @@ var wiggle = function(series, order) { } s0[j - 1][1] += s0[j - 1][0] = y; none$1(series, order); -}; +} -var ascending$2 = function(series) { +function ascending$2(series) { var sums = series.map(sum$2); return none$2(series).sort(function(a, b) { return sums[a] - sums[b]; }); -}; +} function sum$2(series) { var s = 0, i = -1, n = series.length, v; @@ -15007,11 +15268,11 @@ function sum$2(series) { return s; } -var descending$2 = function(series) { +function descending$2(series) { return ascending$2(series).reverse(); -}; +} -var insideOut = function(series) { +function insideOut(series) { var n = series.length, i, j, @@ -15034,19 +15295,19 @@ var insideOut = function(series) { } return bottoms.reverse().concat(tops); -}; +} -var reverse = function(series) { +function reverse(series) { return none$2(series).reverse(); -}; +} -var constant$11 = function(x) { +function constant$11(x) { return function() { return x; }; -}; +} -function x$5(d) { +function x$4(d) { return d[0]; } @@ -15982,8 +16243,8 @@ Diagram.prototype = { } }; -var voronoi = function() { - var x$$1 = x$5, +function voronoi() { + var x$$1 = x$4, y$$1 = y$4, extent = null; @@ -16025,13 +16286,13 @@ var voronoi = function() { }; return voronoi; -}; +} -var constant$12 = function(x) { +function constant$12(x) { return function() { return x; }; -}; +} function ZoomEvent(target, type, transform) { this.target = target; @@ -16094,10 +16355,10 @@ function nopropagation$2() { exports.event.stopImmediatePropagation(); } -var noevent$2 = function() { +function noevent$2() { exports.event.preventDefault(); exports.event.stopImmediatePropagation(); -}; +} // Ignore right-click, since that should open the context menu. function defaultFilter$2() { @@ -16125,20 +16386,29 @@ function defaultWheelDelta() { return -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500; } -function touchable$1() { +function defaultTouchable$1() { return "ontouchstart" in this; } -var zoom = function() { +function defaultConstrain(transform$$1, extent, translateExtent) { + var dx0 = transform$$1.invertX(extent[0][0]) - translateExtent[0][0], + dx1 = transform$$1.invertX(extent[1][0]) - translateExtent[1][0], + dy0 = transform$$1.invertY(extent[0][1]) - translateExtent[0][1], + dy1 = transform$$1.invertY(extent[1][1]) - translateExtent[1][1]; + return transform$$1.translate( + dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1), + dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1) + ); +} + +function zoom() { var filter = defaultFilter$2, extent = defaultExtent$1, + constrain = defaultConstrain, wheelDelta = defaultWheelDelta, - k0 = 0, - k1 = Infinity, - x0 = -k1, - x1 = k1, - y0 = x0, - y1 = x1, + touchable = defaultTouchable$1, + scaleExtent = [0, Infinity], + translateExtent = [[-Infinity, -Infinity], [Infinity, Infinity]], duration = 250, interpolate = interpolateZoom, gestures = [], @@ -16155,7 +16425,7 @@ var zoom = function() { .on("wheel.zoom", wheeled) .on("mousedown.zoom", mousedowned) .on("dblclick.zoom", dblclicked) - .filter(touchable$1) + .filter(touchable) .on("touchstart.zoom", touchstarted) .on("touchmove.zoom", touchmoved) .on("touchend.zoom touchcancel.zoom", touchended) @@ -16193,7 +16463,7 @@ var zoom = function() { p0 = centroid(e), p1 = t0.invert(p0), k1 = typeof k === "function" ? k.apply(this, arguments) : k; - return constrain(translate(scale(t0, k1), p0, p1), e); + return constrain(translate(scale(t0, k1), p0, p1), e, translateExtent); }); }; @@ -16202,7 +16472,7 @@ var zoom = function() { return constrain(this.__zoom.translate( typeof x === "function" ? x.apply(this, arguments) : x, typeof y === "function" ? y.apply(this, arguments) : y - ), extent.apply(this, arguments)); + ), extent.apply(this, arguments), translateExtent); }); }; @@ -16214,12 +16484,12 @@ var zoom = function() { return constrain(identity$8.translate(p[0], p[1]).scale(t.k).translate( typeof x === "function" ? -x.apply(this, arguments) : -x, typeof y === "function" ? -y.apply(this, arguments) : -y - ), e); + ), e, translateExtent); }); }; function scale(transform$$1, k) { - k = Math.max(k0, Math.min(k1, k)); + k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], k)); return k === transform$$1.k ? transform$$1 : new Transform(k, transform$$1.x, transform$$1.y); } @@ -16228,17 +16498,6 @@ var zoom = function() { return x === transform$$1.x && y === transform$$1.y ? transform$$1 : new Transform(transform$$1.k, x, y); } - function constrain(transform$$1, extent) { - var dx0 = transform$$1.invertX(extent[0][0]) - x0, - dx1 = transform$$1.invertX(extent[1][0]) - x1, - dy0 = transform$$1.invertY(extent[0][1]) - y0, - dy1 = transform$$1.invertY(extent[1][1]) - y1; - return transform$$1.translate( - dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1), - dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1) - ); - } - function centroid(extent) { return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; } @@ -16315,7 +16574,7 @@ var zoom = function() { if (!filter.apply(this, arguments)) return; var g = gesture(this, arguments), t = this.__zoom, - k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, wheelDelta.apply(this, arguments)))), + k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], t.k * Math.pow(2, wheelDelta.apply(this, arguments)))), p = mouse(this); // If the mouse is in the same location as before, reuse it. @@ -16339,7 +16598,7 @@ var zoom = function() { noevent$2(); g.wheel = setTimeout(wheelidled, wheelDelay); - g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent)); + g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent, translateExtent)); function wheelidled() { g.wheel = null; @@ -16367,7 +16626,7 @@ var zoom = function() { var dx = exports.event.clientX - x0, dy = exports.event.clientY - y0; g.moved = dx * dx + dy * dy > clickDistance2; } - g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent)); + g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent, translateExtent)); } function mouseupped() { @@ -16384,7 +16643,7 @@ var zoom = function() { p0 = mouse(this), p1 = t0.invert(p0), k1 = t0.k * (exports.event.shiftKey ? 0.5 : 2), - t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments)); + t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments), translateExtent); noevent$2(); if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0); @@ -16448,7 +16707,7 @@ var zoom = function() { } else if (g.touch0) p = g.touch0[0], l = g.touch0[1]; else return; - g.zoom("touch", constrain(translate(t, p, l), g.extent)); + g.zoom("touch", constrain(translate(t, p, l), g.extent, translateExtent)); } function touchended() { @@ -16477,16 +16736,24 @@ var zoom = function() { return arguments.length ? (filter = typeof _ === "function" ? _ : constant$12(!!_), zoom) : filter; }; + zoom.touchable = function(_) { + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$12(!!_), zoom) : touchable; + }; + zoom.extent = function(_) { return arguments.length ? (extent = typeof _ === "function" ? _ : constant$12([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; }; zoom.scaleExtent = function(_) { - return arguments.length ? (k0 = +_[0], k1 = +_[1], zoom) : [k0, k1]; + return arguments.length ? (scaleExtent[0] = +_[0], scaleExtent[1] = +_[1], zoom) : [scaleExtent[0], scaleExtent[1]]; }; zoom.translateExtent = function(_) { - return arguments.length ? (x0 = +_[0][0], x1 = +_[1][0], y0 = +_[0][1], y1 = +_[1][1], zoom) : [[x0, y0], [x1, y1]]; + return arguments.length ? (translateExtent[0][0] = +_[0][0], translateExtent[1][0] = +_[1][0], translateExtent[0][1] = +_[0][1], translateExtent[1][1] = +_[1][1], zoom) : [[translateExtent[0][0], translateExtent[0][1]], [translateExtent[1][0], translateExtent[1][1]]]; + }; + + zoom.constrain = function(_) { + return arguments.length ? (constrain = _, zoom) : constrain; }; zoom.duration = function(_) { @@ -16507,11 +16774,11 @@ var zoom = function() { }; return zoom; -}; +} exports.version = version; -exports.bisect = bisectRight$1; -exports.bisectRight = bisectRight$1; +exports.bisect = bisectRight; +exports.bisectRight = bisectRight; exports.bisectLeft = bisectLeft; exports.ascending = ascending; exports.bisector = bisector; @@ -16617,8 +16884,9 @@ exports.forceCenter = center$1; exports.forceCollide = collide; exports.forceLink = link; exports.forceManyBody = manyBody; +exports.forceRadial = radial; exports.forceSimulation = simulation; -exports.forceX = x$3; +exports.forceX = x$2; exports.forceY = y$2; exports.formatDefaultLocale = defaultLocale; exports.formatLocale = formatLocale; @@ -16630,7 +16898,10 @@ exports.geoArea = area; exports.geoBounds = bounds; exports.geoCentroid = centroid; exports.geoCircle = circle; +exports.geoClipAntimeridian = clipAntimeridian; +exports.geoClipCircle = clipCircle; exports.geoClipExtent = extent$1; +exports.geoClipRectangle = clipRectangle; exports.geoContains = contains; exports.geoDistance = distance; exports.geoGraticule = graticule; @@ -16659,6 +16930,8 @@ exports.geoProjection = projection; exports.geoProjectionMutator = projectionMutator; exports.geoMercator = mercator; exports.geoMercatorRaw = mercatorRaw; +exports.geoNaturalEarth1 = naturalEarth1; +exports.geoNaturalEarth1Raw = naturalEarth1Raw; exports.geoOrthographic = orthographic; exports.geoOrthographicRaw = orthographicRaw; exports.geoStereographic = stereographic; @@ -16754,12 +17027,14 @@ exports.interpolateMagma = magma; exports.interpolateInferno = inferno; exports.interpolatePlasma = plasma; exports.scaleSequential = sequential; +exports.create = create; exports.creator = creator; exports.local = local$1; exports.matcher = matcher$1; exports.mouse = mouse; exports.namespace = namespace; exports.namespaces = namespaces; +exports.clientPoint = point; exports.select = select; exports.selectAll = selectAll; exports.selection = selection; diff --git a/app/assets/javascripts/d3.v4.min.js b/app/assets/javascripts/d3.v4.min.js index 2135fcb..607d187 100644 --- a/app/assets/javascripts/d3.v4.min.js +++ b/app/assets/javascripts/d3.v4.min.js @@ -1,2 +1,2 @@ -// https://d3js.org Version 4.10.2. 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3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Qg=function t(n){function e(t){return new rc(t,n)}return e.tension=function(n){return t(+n)},e}(0);ic.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Kg=function t(n){function e(t){return new ic(t,n)}return e.tension=function(n){return t(+n)},e}(0);uc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var tm=function t(n){function e(t){return n?new uc(t,n):new ec(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);ac.prototype={areaStart:Zg,areaEnd:Zg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var nm=function t(n){function e(t){return n?new ac(t,n):new rc(t,0)}return e.alpha=function(n){return 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n?new cc(t,n):new ic(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);sc.prototype={areaStart:Zg,areaEnd:Zg,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}};dc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:pc(this,this._t0,hc(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,pc(this,hc(this,e=lc(this,t,n)),e);break;default:pc(this,this._t0,e=lc(this,t,n))}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n,this._t0=e}}},(vc.prototype=Object.create(dc.prototype)).point=function(t,n){dc.prototype.point.call(this,n,t)},_c.prototype={moveTo:function(t,n){this._context.moveTo(n,t)},closePath:function(){this._context.closePath()},lineTo:function(t,n){this._context.lineTo(n,t)},bezierCurveTo:function(t,n,e,r,i,o){this._context.bezierCurveTo(n,t,r,e,o,i)}},yc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=[],this._y=[]},lineEnd:function(){var t=this._x,n=this._y,e=t.length;if(e)if(this._line?this._context.lineTo(t[0],n[0]):this._context.moveTo(t[0],n[0]),2===e)this._context.lineTo(t[1],n[1]);else for(var r=gc(t),i=gc(n),o=0,u=1;u=0&&(this._t=1-this._t,this._line=1-this._line)},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:if(this._t<=0)this._context.lineTo(this._x,n),this._context.lineTo(t,n);else{var e=this._x*(1-this._t)+t*this._t;this._context.lineTo(e,this._y),this._context.lineTo(e,n)}}this._x=t,this._y=n}};var rm=function(t,n){if((i=t.length)>1)for(var e,r,i,o=1,u=t[n[0]],a=u.length;o=0;)e[n]=n;return e},om=function(t){var n=t.map(bc);return im(t).sort(function(t,e){return n[t]-n[e]})},um=function(t){return function(){return t}};Tc.prototype={constructor:Tc,insert:function(t,n){var e,r,i;if(t){if(n.P=t,n.N=t.N,t.N&&(t.N.P=n),t.N=n,t.R){for(t=t.R;t.L;)t=t.L;t.L=n}else t.R=n;e=t}else 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0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:this._context.lineTo(t,n)}}};var u_=pc(oc);hc.prototype={areaStart:function(){this._curve.areaStart()},areaEnd:function(){this._curve.areaEnd()},lineStart:function(){this._curve.lineStart()},lineEnd:function(){this._curve.lineEnd()},point:function(t,n){this._curve.point(n*Math.sin(t),n*-Math.cos(t))}};var a_=Array.prototype.slice,c_={draw:function(t,n){var e=Math.sqrt(n/r_);t.moveTo(e,0),t.arc(0,0,e,0,o_)}},s_={draw:function(t,n){var e=Math.sqrt(n/5)/2;t.moveTo(-3*e,-e),t.lineTo(-e,-e),t.lineTo(-e,-3*e),t.lineTo(e,-3*e),t.lineTo(e,-e),t.lineTo(3*e,-e),t.lineTo(3*e,e),t.lineTo(e,e),t.lineTo(e,3*e),t.lineTo(-e,3*e),t.lineTo(-e,e),t.lineTo(-3*e,e),t.closePath()}},f_=Math.sqrt(1/3),l_=2*f_,h_={draw:function(t,n){var e=Math.sqrt(n/l_),r=e*f_;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},p_=Math.sin(r_/10)/Math.sin(7*r_/10),d_=Math.sin(o_/10)*p_,v_=-Math.cos(o_/10)*p_,g_={draw:function(t,n){var e=Math.sqrt(.8908130915292852*n),r=d_*e,i=v_*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var u=o_*o/5,a=Math.cos(u),c=Math.sin(u);t.lineTo(c*e,-a*e),t.lineTo(a*r-c*i,c*r+a*i)}t.closePath()}},__={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},y_=Math.sqrt(3),m_={draw:function(t,n){var e=-Math.sqrt(n/(3*y_));t.moveTo(0,2*e),t.lineTo(-y_*e,-e),t.lineTo(y_*e,-e),t.closePath()}},x_=Math.sqrt(3)/2,b_=1/Math.sqrt(12),w_=3*(b_/2+1),M_={draw:function(t,n){var e=Math.sqrt(n/w_),r=e/2,i=e*b_,o=r,u=e*b_+e,a=-o,c=u;t.moveTo(r,i),t.lineTo(o,u),t.lineTo(a,c),t.lineTo(-.5*r-x_*i,x_*r+-.5*i),t.lineTo(-.5*o-x_*u,x_*o+-.5*u),t.lineTo(-.5*a-x_*c,x_*a+-.5*c),t.lineTo(-.5*r+x_*i,-.5*i-x_*r),t.lineTo(-.5*o+x_*u,-.5*u-x_*o),t.lineTo(-.5*a+x_*c,-.5*c-x_*a),t.closePath()}},T_=[c_,s_,h_,__,g_,m_,M_];kc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Nc(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Nc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Sc.prototype={areaStart:Tc,areaEnd:Tc,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Nc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Ec.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Nc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Ac.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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insertions(+), 11650 deletions(-) delete mode 100755 app/assets/javascripts/d3.v3.js delete mode 100755 app/assets/javascripts/d3.v3.min.js delete mode 100644 app/assets/javascripts/d3.v4.min.js rename app/assets/javascripts/{d3.v4.js => d3.v5.js} (87%) create mode 100644 app/assets/javascripts/d3.v5.min.js diff --git a/CHANGELOG.md b/CHANGELOG.md index 2b52b3f..23a0019 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## 5.4.0 (25 May 2018) +* Upgrade D3 to 5.4.0 + ## 4.13.0 (05 Mar 2018) * Upgrade D3 to 4.13.0 diff --git a/README.md b/README.md index 87a581d..97a68c3 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 4.13.0 of D3.js. The d3-rails version will +d3-rails comes with version 5.4.0 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/Rakefile b/Rakefile index 6bb3c85..7e33526 100644 --- a/Rakefile +++ b/Rakefile @@ -4,11 +4,17 @@ Bundler::GemHelper.install_tasks namespace :d3 do desc 'Update d3 version' task :update_version do - `curl -o app/assets/javascripts/d3.js https://d3js.org/d3.v4.js` - `curl -o app/assets/javascripts/d3.min.js https://d3js.org/d3.v4.min.js` - `cp app/assets/javascripts/d3.js app/assets/javascripts/d3.v4.js` - `cp app/assets/javascripts/d3.min.js app/assets/javascripts/d3.v4.min.js` - version = `grep 'version: ".*"' app/assets/javascripts/d3.js | cut -d '"' -f 2`.strip + `curl -o app/assets/javascripts/d3.js https://d3js.org/d3.v5.js` + `curl -o app/assets/javascripts/d3.min.js https://d3js.org/d3.v5.min.js` + `cp app/assets/javascripts/d3.js app/assets/javascripts/d3.v5.js` + `cp app/assets/javascripts/d3.min.js app/assets/javascripts/d3.v5.min.js` + version = File.open("app/assets/javascripts/d3.js") { |f| + f.each_line.lazy.select { |line| + line.match(/((\d+\.)(\d+\.)(\*|\d+))/) + }.first; $1 + } + + # version = ` grep -Eom 1 '(\d+\.)(\d+\.)(\*|\d+)' app/assets/javascripts/d3.js`.strip message = <<-MSG Please update the version to #{version} manually in the following files: * CHANGELOG.md diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index a8c3d22..016b8d2 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,11 +1,11 @@ -// https://d3js.org Version 4.13.0. Copyright 2018 Mike Bostock. +// https://d3js.org Version 5.4.0. Copyright 2018 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "4.13.0"; +var version = "5.4.0"; function ascending(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -190,9 +190,9 @@ function sequence(start, stop, step) { return range; } -var e10 = Math.sqrt(50); -var e5 = Math.sqrt(10); -var e2 = Math.sqrt(2); +var e10 = Math.sqrt(50), + e5 = Math.sqrt(10), + e2 = Math.sqrt(2); function ticks(start, stop, count) { var reverse, @@ -242,14 +242,14 @@ function tickStep(start, stop, count) { return stop < start ? -step1 : step1; } -function sturges(values) { +function thresholdSturges(values) { return Math.ceil(Math.log(values.length) / Math.LN2) + 1; } function histogram() { var value = identity, domain = extent, - threshold = sturges; + threshold = thresholdSturges; function histogram(data) { var i, @@ -561,11 +561,11 @@ function identity$1(x) { return x; } -var top = 1; -var right = 2; -var bottom = 3; -var left = 4; -var epsilon = 1e-6; +var top = 1, + right = 2, + bottom = 3, + left = 4, + epsilon = 1e-6; function translateX(x) { return "translate(" + (x + 0.5) + ",0)"; @@ -878,12 +878,12 @@ function selection_select(select) { return new Selection(subgroups, this._parents); } -function empty$1() { +function empty() { return []; } function selectorAll(selector) { - return selector == null ? empty$1 : function() { + return selector == null ? empty : function() { return this.querySelectorAll(selector); }; } @@ -1702,7 +1702,7 @@ function create(name) { var nextId = 0; -function local$1() { +function local() { return new Local; } @@ -1710,7 +1710,7 @@ function Local() { this._ = "@" + (++nextId).toString(36); } -Local.prototype = local$1.prototype = { +Local.prototype = local.prototype = { constructor: Local, get: function(node) { var id = this._; @@ -1793,9 +1793,9 @@ function noevent() { function dragDisable(view) { var root = view.document.documentElement, - selection = select(view).on("dragstart.drag", noevent, true); + selection$$1 = select(view).on("dragstart.drag", noevent, true); if ("onselectstart" in root) { - selection.on("selectstart.drag", noevent, true); + selection$$1.on("selectstart.drag", noevent, true); } else { root.__noselect = root.style.MozUserSelect; root.style.MozUserSelect = "none"; @@ -1804,13 +1804,13 @@ function dragDisable(view) { function yesdrag(view, noclick) { var root = view.document.documentElement, - selection = select(view).on("dragstart.drag", null); + selection$$1 = select(view).on("dragstart.drag", null); if (noclick) { - selection.on("click.drag", noevent, true); - setTimeout(function() { selection.on("click.drag", null); }, 0); + selection$$1.on("click.drag", noevent, true); + setTimeout(function() { selection$$1.on("click.drag", null); }, 0); } if ("onselectstart" in root) { - selection.on("selectstart.drag", null); + selection$$1.on("selectstart.drag", null); } else { root.style.MozUserSelect = root.__noselect; delete root.__noselect; @@ -1842,7 +1842,7 @@ DragEvent.prototype.on = function() { }; // Ignore right-click, since that should open the context menu. -function defaultFilter$1() { +function defaultFilter() { return !exports.event.button; } @@ -1859,7 +1859,7 @@ function defaultTouchable() { } function drag() { - var filter = defaultFilter$1, + var filter = defaultFilter, container = defaultContainer, subject = defaultSubject, touchable = defaultTouchable, @@ -1872,8 +1872,8 @@ function drag() { touchending, clickDistance2 = 0; - function drag(selection) { - selection + function drag(selection$$1) { + selection$$1 .on("mousedown.drag", mousedowned) .filter(touchable) .on("touchstart.drag", touchstarted) @@ -1914,12 +1914,12 @@ function drag() { function touchstarted() { if (!filter.apply(this, arguments)) return; - var touches = exports.event.changedTouches, + var touches$$1 = exports.event.changedTouches, c = container.apply(this, arguments), - n = touches.length, i, gesture; + n = touches$$1.length, i, gesture; for (i = 0; i < n; ++i) { - if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) { + if (gesture = beforestart(touches$$1[i].identifier, c, touch, this, arguments)) { nopropagation(); gesture("start"); } @@ -1927,11 +1927,11 @@ function drag() { } function touchmoved() { - var touches = exports.event.changedTouches, - n = touches.length, i, gesture; + var touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, gesture; for (i = 0; i < n; ++i) { - if (gesture = gestures[touches[i].identifier]) { + if (gesture = gestures[touches$$1[i].identifier]) { noevent(); gesture("drag"); } @@ -1939,21 +1939,21 @@ function drag() { } function touchended() { - var touches = exports.event.changedTouches, - n = touches.length, i, gesture; + var touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, gesture; if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! for (i = 0; i < n; ++i) { - if (gesture = gestures[touches[i].identifier]) { + if (gesture = gestures[touches$$1[i].identifier]) { nopropagation(); gesture("end"); } } } - function beforestart(id, container, point, that, args) { - var p = point(container, id), s, dx, dy, + function beforestart(id, container, point$$1, that, args) { + var p = point$$1(container, id), s, dx, dy, sublisteners = listeners.copy(); if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { @@ -1968,7 +1968,7 @@ function drag() { switch (type) { case "start": gestures[id] = gesture, n = active++; break; case "end": delete gestures[id], --active; // nobreak - case "drag": p = point(container, id), n = active; break; + case "drag": p = point$$1(container, id), n = active; break; } customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); }; @@ -2018,17 +2018,17 @@ function Color() {} var darker = 0.7; var brighter = 1 / darker; -var reI = "\\s*([+-]?\\d+)\\s*"; -var reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*"; -var reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*"; -var reHex3 = /^#([0-9a-f]{3})$/; -var reHex6 = /^#([0-9a-f]{6})$/; -var reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"); -var reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"); -var reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"); -var reRgbaPercent = new RegExp("^rgba\\(" + [reP, reP, reP, reN] + "\\)$"); -var reHslPercent = new RegExp("^hsl\\(" + [reN, reP, reP] + "\\)$"); -var reHslaPercent = new RegExp("^hsla\\(" + [reN, reP, reP, reN] + "\\)$"); +var reI = "\\s*([+-]?\\d+)\\s*", + reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*", + reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*", + reHex3 = /^#([0-9a-f]{3})$/, + reHex6 = /^#([0-9a-f]{6})$/, + reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"), + reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"), + reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"), + reRgbaPercent = new RegExp("^rgba\\(" + [reP, reP, reP, reN] + "\\)$"), + reHslPercent = new RegExp("^hsl\\(" + [reN, reP, reP] + "\\)$"), + reHslaPercent = new RegExp("^hsla\\(" + [reN, reP, reP, reN] + "\\)$"); var named = { aliceblue: 0xf0f8ff, @@ -2185,6 +2185,9 @@ define(Color, color, { displayable: function() { return this.rgb().displayable(); }, + hex: function() { + return this.rgb().hex(); + }, toString: function() { return this.rgb() + ""; } @@ -2251,6 +2254,9 @@ define(Rgb, rgb, extend(Color, { && (0 <= this.b && this.b <= 255) && (0 <= this.opacity && this.opacity <= 1); }, + hex: function() { + return "#" + hex(this.r) + hex(this.g) + hex(this.b); + }, toString: function() { var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); return (a === 1 ? "rgb(" : "rgba(") @@ -2261,6 +2267,11 @@ define(Rgb, rgb, extend(Color, { } })); +function hex(value) { + value = Math.max(0, Math.min(255, Math.round(value) || 0)); + return (value < 16 ? "0" : "") + value.toString(16); +} + function hsla(h, s, l, a) { if (a <= 0) h = s = l = NaN; else if (l <= 0 || l >= 1) h = s = NaN; @@ -2345,31 +2356,39 @@ function hsl2rgb(h, m1, m2) { var deg2rad = Math.PI / 180; var rad2deg = 180 / Math.PI; -var Kn = 18; -var Xn = 0.950470; -var Yn = 1; -var Zn = 1.088830; -var t0 = 4 / 29; -var t1 = 6 / 29; -var t2 = 3 * t1 * t1; -var t3 = t1 * t1 * t1; +// https://beta.observablehq.com/@mbostock/lab-and-rgb +var K = 18, + Xn = 0.96422, + Yn = 1, + Zn = 0.82521, + t0 = 4 / 29, + t1 = 6 / 29, + t2 = 3 * t1 * t1, + t3 = t1 * t1 * t1; function labConvert(o) { if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); if (o instanceof Hcl) { + if (isNaN(o.h)) return new Lab(o.l, 0, 0, o.opacity); var h = o.h * deg2rad; return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); } if (!(o instanceof Rgb)) o = rgbConvert(o); - var b = rgb2xyz(o.r), - a = rgb2xyz(o.g), - l = rgb2xyz(o.b), - x = xyz2lab((0.4124564 * b + 0.3575761 * a + 0.1804375 * l) / Xn), - y = xyz2lab((0.2126729 * b + 0.7151522 * a + 0.0721750 * l) / Yn), - z = xyz2lab((0.0193339 * b + 0.1191920 * a + 0.9503041 * l) / Zn); + var r = rgb2lrgb(o.r), + g = rgb2lrgb(o.g), + b = rgb2lrgb(o.b), + y = xyz2lab((0.2225045 * r + 0.7168786 * g + 0.0606169 * b) / Yn), x, z; + if (r === g && g === b) x = z = y; else { + x = xyz2lab((0.4360747 * r + 0.3850649 * g + 0.1430804 * b) / Xn); + z = xyz2lab((0.0139322 * r + 0.0971045 * g + 0.7141733 * b) / Zn); + } return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity); } +function gray(l, opacity) { + return new Lab(l, 0, 0, opacity == null ? 1 : opacity); +} + function lab(l, a, b, opacity) { return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity); } @@ -2383,22 +2402,22 @@ function Lab(l, a, b, opacity) { define(Lab, lab, extend(Color, { brighter: function(k) { - return new Lab(this.l + Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); + return new Lab(this.l + K * (k == null ? 1 : k), this.a, this.b, this.opacity); }, darker: function(k) { - return new Lab(this.l - Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); + return new Lab(this.l - K * (k == null ? 1 : k), this.a, this.b, this.opacity); }, rgb: function() { var y = (this.l + 16) / 116, x = isNaN(this.a) ? y : y + this.a / 500, z = isNaN(this.b) ? y : y - this.b / 200; - y = Yn * lab2xyz(y); x = Xn * lab2xyz(x); + y = Yn * lab2xyz(y); z = Zn * lab2xyz(z); return new Rgb( - xyz2rgb( 3.2404542 * x - 1.5371385 * y - 0.4985314 * z), // D65 -> sRGB - xyz2rgb(-0.9692660 * x + 1.8760108 * y + 0.0415560 * z), - xyz2rgb( 0.0556434 * x - 0.2040259 * y + 1.0572252 * z), + lrgb2rgb( 3.1338561 * x - 1.6168667 * y - 0.4906146 * z), + lrgb2rgb(-0.9787684 * x + 1.9161415 * y + 0.0334540 * z), + lrgb2rgb( 0.0719453 * x - 0.2289914 * y + 1.4052427 * z), this.opacity ); } @@ -2412,21 +2431,26 @@ function lab2xyz(t) { return t > t1 ? t * t * t : t2 * (t - t0); } -function xyz2rgb(x) { +function lrgb2rgb(x) { return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055); } -function rgb2xyz(x) { +function rgb2lrgb(x) { return (x /= 255) <= 0.04045 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4); } function hclConvert(o) { if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); if (!(o instanceof Lab)) o = labConvert(o); + if (o.a === 0 && o.b === 0) return new Hcl(NaN, 0, o.l, o.opacity); var h = Math.atan2(o.b, o.a) * rad2deg; return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); } +function lch(l, c, h, opacity) { + return arguments.length === 1 ? hclConvert(l) : new Hcl(h, c, l, opacity == null ? 1 : opacity); +} + function hcl(h, c, l, opacity) { return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity); } @@ -2440,24 +2464,24 @@ function Hcl(h, c, l, opacity) { define(Hcl, hcl, extend(Color, { brighter: function(k) { - return new Hcl(this.h, this.c, this.l + Kn * (k == null ? 1 : k), this.opacity); + return new Hcl(this.h, this.c, this.l + K * (k == null ? 1 : k), this.opacity); }, darker: function(k) { - return new Hcl(this.h, this.c, this.l - Kn * (k == null ? 1 : k), this.opacity); + return new Hcl(this.h, this.c, this.l - K * (k == null ? 1 : k), this.opacity); }, rgb: function() { return labConvert(this).rgb(); } })); -var A = -0.14861; -var B = +1.78277; -var C = -0.29227; -var D = -0.90649; -var E = +1.97294; -var ED = E * D; -var EB = E * B; -var BC_DA = B * C - D * A; +var A = -0.14861, + B = +1.78277, + C = -0.29227, + D = -0.90649, + E = +1.97294, + ED = E * D, + EB = E * B, + BC_DA = B * C - D * A; function cubehelixConvert(o) { if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity); @@ -2676,8 +2700,8 @@ function object(a, b) { }; } -var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; -var reB = new RegExp(reA.source, "g"); +var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g, + reB = new RegExp(reA.source, "g"); function zero(b) { return function() { @@ -2784,10 +2808,10 @@ function decompose(a, b, c, d, e, f) { }; } -var cssNode; -var cssRoot; -var cssView; -var svgNode; +var cssNode, + cssRoot, + cssView, + svgNode; function parseCss(value) { if (value === "none") return identity$2; @@ -2869,10 +2893,10 @@ function interpolateTransform(parse, pxComma, pxParen, degParen) { var interpolateTransformCss = interpolateTransform(parseCss, "px, ", "px)", "deg)"); var interpolateTransformSvg = interpolateTransform(parseSvg, ", ", ")", ")"); -var rho = Math.SQRT2; -var rho2 = 2; -var rho4 = 4; -var epsilon2 = 1e-12; +var rho = Math.SQRT2, + rho2 = 2, + rho4 = 4, + epsilon2 = 1e-12; function cosh(x) { return ((x = Math.exp(x)) + 1 / x) / 2; @@ -3013,23 +3037,32 @@ function cubehelix$1(hue$$1) { var cubehelix$2 = cubehelix$1(hue); var cubehelixLong = cubehelix$1(nogamma); +function piecewise(interpolate, values) { + var i = 0, n = values.length - 1, v = values[0], I = new Array(n < 0 ? 0 : n); + while (i < n) I[i] = interpolate(v, v = values[++i]); + return function(t) { + var i = Math.max(0, Math.min(n - 1, Math.floor(t *= n))); + return I[i](t - i); + }; +} + function quantize(interpolator, n) { var samples = new Array(n); for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); return samples; } -var frame = 0; -var timeout = 0; -var interval = 0; -var pokeDelay = 1000; -var taskHead; -var taskTail; -var clockLast = 0; -var clockNow = 0; -var clockSkew = 0; -var clock = typeof performance === "object" && performance.now ? performance : Date; -var setFrame = typeof window === "object" && window.requestAnimationFrame ? window.requestAnimationFrame.bind(window) : function(f) { setTimeout(f, 17); }; +var frame = 0, // is an animation frame pending? + timeout = 0, // is a timeout pending? + interval = 0, // are any timers active? + pokeDelay = 1000, // how frequently we check for clock skew + taskHead, + taskTail, + clockLast = 0, + clockNow = 0, + clockSkew = 0, + clock = typeof performance === "object" && performance.now ? performance : Date, + setFrame = typeof window === "object" && window.requestAnimationFrame ? window.requestAnimationFrame.bind(window) : function(f) { setTimeout(f, 17); }; function now() { return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew); @@ -3657,15 +3690,15 @@ function transition_remove() { return this.on("end.remove", removeFunction(this._id)); } -function transition_select(select) { +function transition_select(select$$1) { var name = this._name, id = this._id; - if (typeof select !== "function") select = selector(select); + if (typeof select$$1 !== "function") select$$1 = selector(select$$1); for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { + if ((node = group[i]) && (subnode = select$$1.call(node, node.__data__, i, group))) { if ("__data__" in node) subnode.__data__ = node.__data__; subgroup[i] = subnode; schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); @@ -3676,16 +3709,16 @@ function transition_select(select) { return new Transition(subgroups, this._parents, name, id); } -function transition_selectAll(select) { +function transition_selectAll(select$$1) { var name = this._name, id = this._id; - if (typeof select !== "function") select = selectorAll(select); + if (typeof select$$1 !== "function") select$$1 = selectorAll(select$$1); for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { if (node = group[i]) { - for (var children = select.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { + for (var children = select$$1.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { if (child = children[k]) { schedule(child, name, id, k, children, inherit); } @@ -3931,8 +3964,8 @@ var polyInOut = (function custom(e) { return polyInOut; })(exponent); -var pi = Math.PI; -var halfPi = pi / 2; +var pi = Math.PI, + halfPi = pi / 2; function sinIn(t) { return 1 - Math.cos(t * halfPi); @@ -3970,16 +4003,16 @@ function circleInOut(t) { return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2; } -var b1 = 4 / 11; -var b2 = 6 / 11; -var b3 = 8 / 11; -var b4 = 3 / 4; -var b5 = 9 / 11; -var b6 = 10 / 11; -var b7 = 15 / 16; -var b8 = 21 / 22; -var b9 = 63 / 64; -var b0 = 1 / b1 / b1; +var b1 = 4 / 11, + b2 = 6 / 11, + b3 = 8 / 11, + b4 = 3 / 4, + b5 = 9 / 11, + b6 = 10 / 11, + b7 = 15 / 16, + b8 = 21 / 22, + b9 = 63 / 64, + b0 = 1 / b1 / b1; function bounceIn(t) { return 1 - bounceOut(1 - t); @@ -4031,9 +4064,9 @@ var backInOut = (function custom(s) { return backInOut; })(overshoot); -var tau = 2 * Math.PI; -var amplitude = 1; -var period = 0.3; +var tau = 2 * Math.PI, + amplitude = 1, + period = 0.3; var elasticIn = (function custom(a, p) { var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); @@ -4157,10 +4190,10 @@ function noevent$1() { exports.event.stopImmediatePropagation(); } -var MODE_DRAG = {name: "drag"}; -var MODE_SPACE = {name: "space"}; -var MODE_HANDLE = {name: "handle"}; -var MODE_CENTER = {name: "center"}; +var MODE_DRAG = {name: "drag"}, + MODE_SPACE = {name: "space"}, + MODE_HANDLE = {name: "handle"}, + MODE_CENTER = {name: "center"}; var X = { name: "x", @@ -4245,7 +4278,7 @@ function type(t) { } // Ignore right-click, since that should open the context menu. -function defaultFilter() { +function defaultFilter$1() { return !exports.event.button; } @@ -4255,12 +4288,12 @@ function defaultExtent() { } // Like d3.local, but with the name “__brush” rather than auto-generated. -function local(node) { +function local$1(node) { while (!node.__brush) if (!(node = node.parentNode)) return; return node.__brush; } -function empty(extent) { +function empty$1(extent) { return extent[0][0] === extent[1][0] || extent[0][1] === extent[1][1]; } @@ -4284,7 +4317,7 @@ function brush() { function brush$1(dim) { var extent = defaultExtent, - filter = defaultFilter, + filter = defaultFilter$1, listeners = dispatch(brush, "start", "brush", "end"), handleSize = 6, touchending; @@ -4301,7 +4334,7 @@ function brush$1(dim) { .attr("cursor", cursors.overlay) .merge(overlay) .each(function() { - var extent = local(this).extent; + var extent = local$1(this).extent; select(this) .attr("x", extent[0][0]) .attr("y", extent[0][1]) @@ -4336,7 +4369,7 @@ function brush$1(dim) { .on("mousedown.brush touchstart.brush", started); } - brush.move = function(group, selection) { + brush.move = function(group, selection$$1) { if (group.selection) { group .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) @@ -4346,11 +4379,11 @@ function brush$1(dim) { state = that.__brush, emit = emitter(that, arguments), selection0 = state.selection, - selection1 = dim.input(typeof selection === "function" ? selection.apply(this, arguments) : selection, state.extent), + selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(this, arguments) : selection$$1, state.extent), i = interpolateValue(selection0, selection1); function tween(t) { - state.selection = t === 1 && empty(selection1) ? null : i(t); + state.selection = t === 1 && empty$1(selection1) ? null : i(t); redraw.call(that); emit.brush(); } @@ -4363,11 +4396,11 @@ function brush$1(dim) { var that = this, args = arguments, state = that.__brush, - selection1 = dim.input(typeof selection === "function" ? selection.apply(that, args) : selection, state.extent), + selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(that, args) : selection$$1, state.extent), emit = emitter(that, args).beforestart(); interrupt(that); - state.selection = selection1 == null || empty(selection1) ? null : selection1; + state.selection = selection1 == null || empty$1(selection1) ? null : selection1; redraw.call(that); emit.start().brush().end(); }); @@ -4376,22 +4409,22 @@ function brush$1(dim) { function redraw() { var group = select(this), - selection = local(this).selection; + selection$$1 = local$1(this).selection; - if (selection) { + if (selection$$1) { group.selectAll(".selection") .style("display", null) - .attr("x", selection[0][0]) - .attr("y", selection[0][1]) - .attr("width", selection[1][0] - selection[0][0]) - .attr("height", selection[1][1] - selection[0][1]); + .attr("x", selection$$1[0][0]) + .attr("y", selection$$1[0][1]) + .attr("width", selection$$1[1][0] - selection$$1[0][0]) + .attr("height", selection$$1[1][1] - selection$$1[0][1]); group.selectAll(".handle") .style("display", null) - .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection[1][0] - handleSize / 2 : selection[0][0] - handleSize / 2; }) - .attr("y", function(d) { return d.type[0] === "s" ? selection[1][1] - handleSize / 2 : selection[0][1] - handleSize / 2; }) - .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection[1][0] - selection[0][0] + handleSize : handleSize; }) - .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection[1][1] - selection[0][1] + handleSize : handleSize; }); + .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection$$1[1][0] - handleSize / 2 : selection$$1[0][0] - handleSize / 2; }) + .attr("y", function(d) { return d.type[0] === "s" ? selection$$1[1][1] - handleSize / 2 : selection$$1[0][1] - handleSize / 2; }) + .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection$$1[1][0] - selection$$1[0][0] + handleSize : handleSize; }) + .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection$$1[1][1] - selection$$1[0][1] + handleSize : handleSize; }); } else { @@ -4447,9 +4480,9 @@ function brush$1(dim) { mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE), signX = dim === Y ? null : signsX[type], signY = dim === X ? null : signsY[type], - state = local(that), + state = local$1(that), extent = state.extent, - selection = state.selection, + selection$$1 = state.selection, W = extent[0][0], w0, w1, N = extent[0][1], n0, n1, E = extent[1][0], e0, e1, @@ -4461,19 +4494,19 @@ function brush$1(dim) { lockX, lockY, point0 = mouse(that), - point = point0, + point$$1 = point0, emit = emitter(that, arguments).beforestart(); if (type === "overlay") { - state.selection = selection = [ + state.selection = selection$$1 = [ [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] ]; } else { - w0 = selection[0][0]; - n0 = selection[0][1]; - e0 = selection[1][0]; - s0 = selection[1][1]; + w0 = selection$$1[0][0]; + n0 = selection$$1[0][1]; + e0 = selection$$1[1][0]; + s0 = selection$$1[1][1]; } w1 = w0; @@ -4509,10 +4542,10 @@ function brush$1(dim) { function moved() { var point1 = mouse(that); if (shifting && !lockX && !lockY) { - if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true; + if (Math.abs(point1[0] - point$$1[0]) > Math.abs(point1[1] - point$$1[1])) lockY = true; else lockX = true; } - point = point1; + point$$1 = point1; moving = true; noevent$1(); move(); @@ -4521,8 +4554,8 @@ function brush$1(dim) { function move() { var t; - dx = point[0] - point0[0]; - dy = point[1] - point0[1]; + dx = point$$1[0] - point0[0]; + dy = point$$1[1] - point0[1]; switch (mode) { case MODE_SPACE: @@ -4559,14 +4592,14 @@ function brush$1(dim) { if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); } - if (state.selection) selection = state.selection; // May be set by brush.move! - if (lockX) w1 = selection[0][0], e1 = selection[1][0]; - if (lockY) n1 = selection[0][1], s1 = selection[1][1]; + if (state.selection) selection$$1 = state.selection; // May be set by brush.move! + if (lockX) w1 = selection$$1[0][0], e1 = selection$$1[1][0]; + if (lockY) n1 = selection$$1[0][1], s1 = selection$$1[1][1]; - if (selection[0][0] !== w1 - || selection[0][1] !== n1 - || selection[1][0] !== e1 - || selection[1][1] !== s1) { + if (selection$$1[0][0] !== w1 + || selection$$1[0][1] !== n1 + || selection$$1[1][0] !== e1 + || selection$$1[1][1] !== s1) { state.selection = [[w1, n1], [e1, s1]]; redraw.call(that); emit.brush(); @@ -4586,8 +4619,8 @@ function brush$1(dim) { } group.attr("pointer-events", "all"); overlay.attr("cursor", cursors.overlay); - if (state.selection) selection = state.selection; // May be set by brush.move (on start)! - if (empty(selection)) state.selection = null, redraw.call(that); + if (state.selection) selection$$1 = state.selection; // May be set by brush.move (on start)! + if (empty$1(selection$$1)) state.selection = null, redraw.call(that); emit.end(); } @@ -4822,10 +4855,10 @@ function constant$5(x) { }; } -var pi$2 = Math.PI; -var tau$2 = 2 * pi$2; -var epsilon$1 = 1e-6; -var tauEpsilon = tau$2 - epsilon$1; +var pi$2 = Math.PI, + tau$2 = 2 * pi$2, + epsilon$1 = 1e-6, + tauEpsilon = tau$2 - epsilon$1; function Path() { this._x0 = this._y0 = // start of current subpath @@ -5234,11 +5267,419 @@ function entries(map) { return entries; } -var EOL = {}; -var EOF = {}; -var QUOTE = 34; -var NEWLINE = 10; -var RETURN = 13; +var array$2 = Array.prototype; + +var slice$3 = array$2.slice; + +function ascending$2(a, b) { + return a - b; +} + +function area(ring) { + var i = 0, n = ring.length, area = ring[n - 1][1] * ring[0][0] - ring[n - 1][0] * ring[0][1]; + while (++i < n) area += ring[i - 1][1] * ring[i][0] - ring[i - 1][0] * ring[i][1]; + return area; +} + +function constant$6(x) { + return function() { + return x; + }; +} + +function contains(ring, hole) { + var i = -1, n = hole.length, c; + while (++i < n) if (c = ringContains(ring, hole[i])) return c; + return 0; +} + +function ringContains(ring, point) { + var x = point[0], y = point[1], contains = -1; + for (var i = 0, n = ring.length, j = n - 1; i < n; j = i++) { + var pi = ring[i], xi = pi[0], yi = pi[1], pj = ring[j], xj = pj[0], yj = pj[1]; + if (segmentContains(pi, pj, point)) return 0; + if (((yi > y) !== (yj > y)) && ((x < (xj - xi) * (y - yi) / (yj - yi) + xi))) contains = -contains; + } + return contains; +} + +function segmentContains(a, b, c) { + var i; return collinear(a, b, c) && within(a[i = +(a[0] === b[0])], c[i], b[i]); +} + +function collinear(a, b, c) { + return (b[0] - a[0]) * (c[1] - a[1]) === (c[0] - a[0]) * (b[1] - a[1]); +} + +function within(p, q, r) { + return p <= q && q <= r || r <= q && q <= p; +} + +function noop$1() {} + +var cases = [ + [], + [[[1.0, 1.5], [0.5, 1.0]]], + [[[1.5, 1.0], [1.0, 1.5]]], + [[[1.5, 1.0], [0.5, 1.0]]], + [[[1.0, 0.5], [1.5, 1.0]]], + [[[1.0, 1.5], [0.5, 1.0]], [[1.0, 0.5], [1.5, 1.0]]], + [[[1.0, 0.5], [1.0, 1.5]]], + [[[1.0, 0.5], [0.5, 1.0]]], + [[[0.5, 1.0], [1.0, 0.5]]], + [[[1.0, 1.5], [1.0, 0.5]]], + [[[0.5, 1.0], [1.0, 0.5]], [[1.5, 1.0], [1.0, 1.5]]], + [[[1.5, 1.0], [1.0, 0.5]]], + [[[0.5, 1.0], [1.5, 1.0]]], + [[[1.0, 1.5], [1.5, 1.0]]], + [[[0.5, 1.0], [1.0, 1.5]]], + [] +]; + +function contours() { + var dx = 1, + dy = 1, + threshold$$1 = thresholdSturges, + smooth = smoothLinear; + + function contours(values) { + var tz = threshold$$1(values); + + // Convert number of thresholds into uniform thresholds. + if (!Array.isArray(tz)) { + var domain = extent(values), start = domain[0], stop = domain[1]; + tz = tickStep(start, stop, tz); + tz = sequence(Math.floor(start / tz) * tz, Math.floor(stop / tz) * tz, tz); + } else { + tz = tz.slice().sort(ascending$2); + } + + return tz.map(function(value) { + return contour(values, value); + }); + } + + // Accumulate, smooth contour rings, assign holes to exterior rings. + // Based on https://github.com/mbostock/shapefile/blob/v0.6.2/shp/polygon.js + function contour(values, value) { + var polygons = [], + holes = []; + + isorings(values, value, function(ring) { + smooth(ring, values, value); + if (area(ring) > 0) polygons.push([ring]); + else holes.push(ring); + }); + + holes.forEach(function(hole) { + for (var i = 0, n = polygons.length, polygon; i < n; ++i) { + if (contains((polygon = polygons[i])[0], hole) !== -1) { + polygon.push(hole); + return; + } + } + }); + + return { + type: "MultiPolygon", + value: value, + coordinates: polygons + }; + } + + // Marching squares with isolines stitched into rings. + // Based on https://github.com/topojson/topojson-client/blob/v3.0.0/src/stitch.js + function isorings(values, value, callback) { + var fragmentByStart = new Array, + fragmentByEnd = new Array, + x, y, t0, t1, t2, t3; + + // Special case for the first row (y = -1, t2 = t3 = 0). + x = y = -1; + t1 = values[0] >= value; + cases[t1 << 1].forEach(stitch); + while (++x < dx - 1) { + t0 = t1, t1 = values[x + 1] >= value; + cases[t0 | t1 << 1].forEach(stitch); + } + cases[t1 << 0].forEach(stitch); + + // General case for the intermediate rows. + while (++y < dy - 1) { + x = -1; + t1 = values[y * dx + dx] >= value; + t2 = values[y * dx] >= value; + cases[t1 << 1 | t2 << 2].forEach(stitch); + while (++x < dx - 1) { + t0 = t1, t1 = values[y * dx + dx + x + 1] >= value; + t3 = t2, t2 = values[y * dx + x + 1] >= value; + cases[t0 | t1 << 1 | t2 << 2 | t3 << 3].forEach(stitch); + } + cases[t1 | t2 << 3].forEach(stitch); + } + + // Special case for the last row (y = dy - 1, t0 = t1 = 0). + x = -1; + t2 = values[y * dx] >= value; + cases[t2 << 2].forEach(stitch); + while (++x < dx - 1) { + t3 = t2, t2 = values[y * dx + x + 1] >= value; + cases[t2 << 2 | t3 << 3].forEach(stitch); + } + cases[t2 << 3].forEach(stitch); + + function stitch(line) { + var start = [line[0][0] + x, line[0][1] + y], + end = [line[1][0] + x, line[1][1] + y], + startIndex = index(start), + endIndex = index(end), + f, g; + if (f = fragmentByEnd[startIndex]) { + if (g = fragmentByStart[endIndex]) { + delete fragmentByEnd[f.end]; + delete fragmentByStart[g.start]; + if (f === g) { + f.ring.push(end); + callback(f.ring); + } else { + fragmentByStart[f.start] = fragmentByEnd[g.end] = {start: f.start, end: g.end, ring: f.ring.concat(g.ring)}; + } + } else { + delete fragmentByEnd[f.end]; + f.ring.push(end); + fragmentByEnd[f.end = endIndex] = f; + } + } else if (f = fragmentByStart[endIndex]) { + if (g = fragmentByEnd[startIndex]) { + delete fragmentByStart[f.start]; + delete fragmentByEnd[g.end]; + if (f === g) { + f.ring.push(end); + callback(f.ring); + } else { + fragmentByStart[g.start] = fragmentByEnd[f.end] = {start: g.start, end: f.end, ring: g.ring.concat(f.ring)}; + } + } else { + delete fragmentByStart[f.start]; + f.ring.unshift(start); + fragmentByStart[f.start = startIndex] = f; + } + } else { + fragmentByStart[startIndex] = fragmentByEnd[endIndex] = {start: startIndex, end: endIndex, ring: [start, end]}; + } + } + } + + function index(point) { + return point[0] * 2 + point[1] * (dx + 1) * 4; + } + + function smoothLinear(ring, values, value) { + ring.forEach(function(point) { + var x = point[0], + y = point[1], + xt = x | 0, + yt = y | 0, + v0, + v1 = values[yt * dx + xt]; + if (x > 0 && x < dx && xt === x) { + v0 = values[yt * dx + xt - 1]; + point[0] = x + (value - v0) / (v1 - v0) - 0.5; + } + if (y > 0 && y < dy && yt === y) { + v0 = values[(yt - 1) * dx + xt]; + point[1] = y + (value - v0) / (v1 - v0) - 0.5; + } + }); + } + + contours.contour = contour; + + contours.size = function(_) { + if (!arguments.length) return [dx, dy]; + var _0 = Math.ceil(_[0]), _1 = Math.ceil(_[1]); + if (!(_0 > 0) || !(_1 > 0)) throw new Error("invalid size"); + return dx = _0, dy = _1, contours; + }; + + contours.thresholds = function(_) { + return arguments.length ? (threshold$$1 = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), contours) : threshold$$1; + }; + + contours.smooth = function(_) { + return arguments.length ? (smooth = _ ? smoothLinear : noop$1, contours) : smooth === smoothLinear; + }; + + return contours; +} + +// TODO Optimize edge cases. +// TODO Optimize index calculation. +// TODO Optimize arguments. +function blurX(source, target, r) { + var n = source.width, + m = source.height, + w = (r << 1) + 1; + for (var j = 0; j < m; ++j) { + for (var i = 0, sr = 0; i < n + r; ++i) { + if (i < n) { + sr += source.data[i + j * n]; + } + if (i >= r) { + if (i >= w) { + sr -= source.data[i - w + j * n]; + } + target.data[i - r + j * n] = sr / Math.min(i + 1, n - 1 + w - i, w); + } + } + } +} + +// TODO Optimize edge cases. +// TODO Optimize index calculation. +// TODO Optimize arguments. +function blurY(source, target, r) { + var n = source.width, + m = source.height, + w = (r << 1) + 1; + for (var i = 0; i < n; ++i) { + for (var j = 0, sr = 0; j < m + r; ++j) { + if (j < m) { + sr += source.data[i + j * n]; + } + if (j >= r) { + if (j >= w) { + sr -= source.data[i + (j - w) * n]; + } + target.data[i + (j - r) * n] = sr / Math.min(j + 1, m - 1 + w - j, w); + } + } + } +} + +function defaultX(d) { + return d[0]; +} + +function defaultY(d) { + return d[1]; +} + +function density() { + var x = defaultX, + y = defaultY, + dx = 960, + dy = 500, + r = 20, // blur radius + k = 2, // log2(grid cell size) + o = r * 3, // grid offset, to pad for blur + n = (dx + o * 2) >> k, // grid width + m = (dy + o * 2) >> k, // grid height + threshold$$1 = constant$6(20); + + function density(data) { + var values0 = new Float32Array(n * m), + values1 = new Float32Array(n * m); + + data.forEach(function(d, i, data) { + var xi = (x(d, i, data) + o) >> k, + yi = (y(d, i, data) + o) >> k; + if (xi >= 0 && xi < n && yi >= 0 && yi < m) { + ++values0[xi + yi * n]; + } + }); + + // TODO Optimize. + blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); + blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); + blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); + blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); + blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); + blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); + + var tz = threshold$$1(values0); + + // Convert number of thresholds into uniform thresholds. + if (!Array.isArray(tz)) { + var stop = max(values0); + tz = tickStep(0, stop, tz); + tz = sequence(0, Math.floor(stop / tz) * tz, tz); + tz.shift(); + } + + return contours() + .thresholds(tz) + .size([n, m]) + (values0) + .map(transform); + } + + function transform(geometry) { + geometry.value *= Math.pow(2, -2 * k); // Density in points per square pixel. + geometry.coordinates.forEach(transformPolygon); + return geometry; + } + + function transformPolygon(coordinates) { + coordinates.forEach(transformRing); + } + + function transformRing(coordinates) { + coordinates.forEach(transformPoint); + } + + // TODO Optimize. + function transformPoint(coordinates) { + coordinates[0] = coordinates[0] * Math.pow(2, k) - o; + coordinates[1] = coordinates[1] * Math.pow(2, k) - o; + } + + function resize() { + o = r * 3; + n = (dx + o * 2) >> k; + m = (dy + o * 2) >> k; + return density; + } + + density.x = function(_) { + return arguments.length ? (x = typeof _ === "function" ? _ : constant$6(+_), density) : x; + }; + + density.y = function(_) { + return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), density) : y; + }; + + density.size = function(_) { + if (!arguments.length) return [dx, dy]; + var _0 = Math.ceil(_[0]), _1 = Math.ceil(_[1]); + if (!(_0 >= 0) && !(_0 >= 0)) throw new Error("invalid size"); + return dx = _0, dy = _1, resize(); + }; + + density.cellSize = function(_) { + if (!arguments.length) return 1 << k; + if (!((_ = +_) >= 1)) throw new Error("invalid cell size"); + return k = Math.floor(Math.log(_) / Math.LN2), resize(); + }; + + density.thresholds = function(_) { + return arguments.length ? (threshold$$1 = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), density) : threshold$$1; + }; + + density.bandwidth = function(_) { + if (!arguments.length) return Math.sqrt(r * (r + 1)); + if (!((_ = +_) >= 0)) throw new Error("invalid bandwidth"); + return r = Math.round((Math.sqrt(4 * _ * _ + 1) - 1) / 2), resize(); + }; + + return density; +} + +var EOL = {}, + EOF = {}, + QUOTE = 34, + NEWLINE = 10, + RETURN = 13; function objectConverter(columns) { return new Function("d", "return {" + columns.map(function(name, i) { @@ -5269,7 +5710,7 @@ function inferColumns(rows) { return columns; } -function dsv(delimiter) { +function dsvFormat(delimiter) { var reFormat = new RegExp("[\"" + delimiter + "\n\r]"), DELIMITER = delimiter.charCodeAt(0); @@ -5362,20 +5803,100 @@ function dsv(delimiter) { }; } -var csv = dsv(","); +var csv = dsvFormat(","); var csvParse = csv.parse; var csvParseRows = csv.parseRows; var csvFormat = csv.format; var csvFormatRows = csv.formatRows; -var tsv = dsv("\t"); +var tsv = dsvFormat("\t"); var tsvParse = tsv.parse; var tsvParseRows = tsv.parseRows; var tsvFormat = tsv.format; var tsvFormatRows = tsv.formatRows; +function responseBlob(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + return response.blob(); +} + +function blob(input, init) { + return fetch(input, init).then(responseBlob); +} + +function responseArrayBuffer(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + return response.arrayBuffer(); +} + +function buffer(input, init) { + return fetch(input, init).then(responseArrayBuffer); +} + +function responseText(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + return response.text(); +} + +function text(input, init) { + return fetch(input, init).then(responseText); +} + +function dsvParse(parse) { + return function(input, init, row) { + if (arguments.length === 2 && typeof init === "function") row = init, init = undefined; + return text(input, init).then(function(response) { + return parse(response, row); + }); + }; +} + +function dsv(delimiter, input, init, row) { + if (arguments.length === 3 && typeof init === "function") row = init, init = undefined; + var format = dsvFormat(delimiter); + return text(input, init).then(function(response) { + return format.parse(response, row); + }); +} + +var csv$1 = dsvParse(csvParse); +var tsv$1 = dsvParse(tsvParse); + +function image(input, init) { + return new Promise(function(resolve, reject) { + var image = new Image; + for (var key in init) image[key] = init[key]; + image.onerror = reject; + image.onload = function() { resolve(image); }; + image.src = input; + }); +} + +function responseJson(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + return response.json(); +} + +function json(input, init) { + return fetch(input, init).then(responseJson); +} + +function parser(type) { + return function(input, init) { + return text(input, init).then(function(text$$1) { + return (new DOMParser).parseFromString(text$$1, type); + }); + }; +} + +var xml = parser("application/xml"); + +var html = parser("text/html"); + +var svg = parser("image/svg+xml"); + function center$1(x, y) { var nodes; @@ -5413,7 +5934,7 @@ function center$1(x, y) { return force; } -function constant$6(x) { +function constant$7(x) { return function() { return x; }; @@ -5769,7 +6290,7 @@ function tree_visitAfter(callback) { return this; } -function defaultX(d) { +function defaultX$1(d) { return d[0]; } @@ -5777,7 +6298,7 @@ function tree_x(_) { return arguments.length ? (this._x = _, this) : this._x; } -function defaultY(d) { +function defaultY$1(d) { return d[1]; } @@ -5786,7 +6307,7 @@ function tree_y(_) { } function quadtree(nodes, x, y) { - var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); + var tree = new Quadtree(x == null ? defaultX$1 : x, y == null ? defaultY$1 : y, NaN, NaN, NaN, NaN); return nodes == null ? tree : tree.addAll(nodes); } @@ -5860,7 +6381,7 @@ function collide(radius) { strength = 1, iterations = 1; - if (typeof radius !== "function") radius = constant$6(radius == null ? 1 : +radius); + if (typeof radius !== "function") radius = constant$7(radius == null ? 1 : +radius); function force() { var i, n = nodes.length, @@ -5935,7 +6456,7 @@ function collide(radius) { }; force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : radius; + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : radius; }; return force; @@ -5955,7 +6476,7 @@ function link(links) { var id = index, strength = defaultStrength, strengths, - distance = constant$6(30), + distance = constant$7(30), distances, nodes, count, @@ -6044,11 +6565,11 @@ function link(links) { }; force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initializeStrength(), force) : strength; + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initializeStrength(), force) : strength; }; force.distance = function(_) { - return arguments.length ? (distance = typeof _ === "function" ? _ : constant$6(+_), initializeDistance(), force) : distance; + return arguments.length ? (distance = typeof _ === "function" ? _ : constant$7(+_), initializeDistance(), force) : distance; }; return force; @@ -6062,8 +6583,8 @@ function y$1(d) { return d.y; } -var initialRadius = 10; -var initialAngle = Math.PI * (3 - Math.sqrt(5)); +var initialRadius = 10, + initialAngle = Math.PI * (3 - Math.sqrt(5)); function simulation(nodes) { var simulation, @@ -6198,7 +6719,7 @@ function manyBody() { var nodes, node, alpha, - strength = constant$6(-30), + strength = constant$7(-30), strengths, distanceMin2 = 1, distanceMax2 = Infinity, @@ -6286,7 +6807,7 @@ function manyBody() { }; force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; }; force.distanceMin = function(_) { @@ -6306,11 +6827,11 @@ function manyBody() { function radial(radius, x, y) { var nodes, - strength = constant$6(0.1), + strength = constant$7(0.1), strengths, radiuses; - if (typeof radius !== "function") radius = constant$6(+radius); + if (typeof radius !== "function") radius = constant$7(+radius); if (x == null) x = 0; if (y == null) y = 0; @@ -6342,11 +6863,11 @@ function radial(radius, x, y) { }; force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; }; force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : radius; + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : radius; }; force.x = function(_) { @@ -6361,12 +6882,12 @@ function radial(radius, x, y) { } function x$2(x) { - var strength = constant$6(0.1), + var strength = constant$7(0.1), nodes, strengths, xz; - if (typeof x !== "function") x = constant$6(x == null ? 0 : +x); + if (typeof x !== "function") x = constant$7(x == null ? 0 : +x); function force(alpha) { for (var i = 0, n = nodes.length, node; i < n; ++i) { @@ -6390,23 +6911,23 @@ function x$2(x) { }; force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; }; force.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : x; + return arguments.length ? (x = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : x; }; return force; } function y$2(y) { - var strength = constant$6(0.1), + var strength = constant$7(0.1), nodes, strengths, yz; - if (typeof y !== "function") y = constant$6(y == null ? 0 : +y); + if (typeof y !== "function") y = constant$7(y == null ? 0 : +y); function force(alpha) { for (var i = 0, n = nodes.length, node; i < n; ++i) { @@ -6430,11 +6951,11 @@ function y$2(y) { }; force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; }; force.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : y; + return arguments.length ? (y = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : y; }; return force; @@ -6486,19 +7007,53 @@ function formatNumerals(numerals) { }; } -function formatDefault(x, p) { - x = x.toPrecision(p); +// [[fill]align][sign][symbol][0][width][,][.precision][~][type] +var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i; + +function formatSpecifier(specifier) { + return new FormatSpecifier(specifier); +} + +formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof + +function FormatSpecifier(specifier) { + if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); + var match; + this.fill = match[1] || " "; + this.align = match[2] || ">"; + this.sign = match[3] || "-"; + this.symbol = match[4] || ""; + this.zero = !!match[5]; + this.width = match[6] && +match[6]; + this.comma = !!match[7]; + this.precision = match[8] && +match[8].slice(1); + this.trim = !!match[9]; + this.type = match[10] || ""; +} + +FormatSpecifier.prototype.toString = function() { + return this.fill + + this.align + + this.sign + + this.symbol + + (this.zero ? "0" : "") + + (this.width == null ? "" : Math.max(1, this.width | 0)) + + (this.comma ? "," : "") + + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0)) + + (this.trim ? "~" : "") + + this.type; +}; - out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) { - switch (x[i]) { +// Trims insignificant zeros, e.g., replaces 1.2000k with 1.2k. +function formatTrim(s) { + out: for (var n = s.length, i = 1, i0 = -1, i1; i < n; ++i) { + switch (s[i]) { case ".": i0 = i1 = i; break; case "0": if (i0 === 0) i0 = i; i1 = i; break; - case "e": break out; - default: if (i0 > 0) i0 = 0; break; + default: if (i0 > 0) { if (!+s[i]) break out; i0 = 0; } break; } } - - return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x; + return i0 > 0 ? s.slice(0, i0) + s.slice(i1 + 1) : s; } var prefixExponent; @@ -6527,7 +7082,6 @@ function formatRounded(x, p) { } var formatTypes = { - "": formatDefault, "%": function(x, p) { return (x * 100).toFixed(p); }, "b": function(x) { return Math.round(x).toString(2); }, "c": function(x) { return x + ""; }, @@ -6543,61 +7097,6 @@ var formatTypes = { "x": function(x) { return Math.round(x).toString(16); } }; -// [[fill]align][sign][symbol][0][width][,][.precision][type] -var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i; - -function formatSpecifier(specifier) { - return new FormatSpecifier(specifier); -} - -formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof - -function FormatSpecifier(specifier) { - if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); - - var match, - fill = match[1] || " ", - align = match[2] || ">", - sign = match[3] || "-", - symbol = match[4] || "", - zero = !!match[5], - width = match[6] && +match[6], - comma = !!match[7], - precision = match[8] && +match[8].slice(1), - type = match[9] || ""; - - // The "n" type is an alias for ",g". - if (type === "n") comma = true, type = "g"; - - // Map invalid types to the default format. - else if (!formatTypes[type]) type = ""; - - // If zero fill is specified, padding goes after sign and before digits. - if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; - - this.fill = fill; - this.align = align; - this.sign = sign; - this.symbol = symbol; - this.zero = zero; - this.width = width; - this.comma = comma; - this.precision = precision; - this.type = type; -} - -FormatSpecifier.prototype.toString = function() { - return this.fill - + this.align - + this.sign - + this.symbol - + (this.zero ? "0" : "") - + (this.width == null ? "" : Math.max(1, this.width | 0)) - + (this.comma ? "," : "") - + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0)) - + this.type; -}; - function identity$3(x) { return x; } @@ -6622,8 +7121,18 @@ function formatLocale(locale) { width = specifier.width, comma = specifier.comma, precision = specifier.precision, + trim = specifier.trim, type = specifier.type; + // The "n" type is an alias for ",g". + if (type === "n") comma = true, type = "g"; + + // The "" type, and any invalid type, is an alias for ".12~g". + else if (!formatTypes[type]) precision == null && (precision = 12), trim = true, type = "g"; + + // If zero fill is specified, padding goes after sign and before digits. + if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; + // Compute the prefix and suffix. // For SI-prefix, the suffix is lazily computed. var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", @@ -6633,13 +7142,13 @@ function formatLocale(locale) { // Is this an integer type? // Can this type generate exponential notation? var formatType = formatTypes[type], - maybeSuffix = !type || /[defgprs%]/.test(type); + maybeSuffix = /[defgprs%]/.test(type); // Set the default precision if not specified, // or clamp the specified precision to the supported range. // For significant precision, it must be in [1, 21]. // For fixed precision, it must be in [0, 20]. - precision = precision == null ? (type ? 6 : 12) + precision = precision == null ? 6 : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) : Math.max(0, Math.min(20, precision)); @@ -6658,6 +7167,9 @@ function formatLocale(locale) { var valueNegative = value < 0; value = formatType(Math.abs(value), precision); + // Trim insignificant zeros. + if (trim) value = formatTrim(value); + // If a negative value rounds to zero during formatting, treat as positive. if (valueNegative && +value === 0) valueNegative = false; @@ -6725,8 +7237,6 @@ function formatLocale(locale) { var locale; - - defaultLocale({ decimal: ".", thousands: ",", @@ -6811,7 +7321,6 @@ var atan2 = Math.atan2; var cos$1 = Math.cos; var ceil = Math.ceil; var exp = Math.exp; - var log = Math.log; var pow = Math.pow; var sin$1 = Math.sin; @@ -6831,7 +7340,7 @@ function haversin(x) { return (x = sin$1(x / 2)) * x; } -function noop$1() {} +function noop$2() {} function streamGeometry(geometry, stream) { if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { @@ -6905,17 +7414,17 @@ function geoStream(object, stream) { var areaRingSum = adder(); -var areaSum = adder(); -var lambda00; -var phi00; -var lambda0; -var cosPhi0; -var sinPhi0; +var areaSum = adder(), + lambda00, + phi00, + lambda0, + cosPhi0, + sinPhi0; var areaStream = { - point: noop$1, - lineStart: noop$1, - lineEnd: noop$1, + point: noop$2, + lineStart: noop$2, + lineEnd: noop$2, polygonStart: function() { areaRingSum.reset(); areaStream.lineStart = areaRingStart; @@ -6924,7 +7433,7 @@ var areaStream = { polygonEnd: function() { var areaRing = +areaRingSum; areaSum.add(areaRing < 0 ? tau$3 + areaRing : areaRing); - this.lineStart = this.lineEnd = this.point = noop$1; + this.lineStart = this.lineEnd = this.point = noop$2; }, sphere: function() { areaSum.add(tau$3); @@ -6967,7 +7476,7 @@ function areaPoint(lambda, phi) { lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; } -function area(object) { +function area$1(object) { areaSum.reset(); geoStream(object, areaStream); return areaSum * 2; @@ -7005,17 +7514,13 @@ function cartesianNormalizeInPlace(d) { d[0] /= l, d[1] /= l, d[2] /= l; } -var lambda0$1; -var phi0; -var lambda1; -var phi1; -var lambda2; -var lambda00$1; -var phi00$1; -var p0; -var deltaSum = adder(); -var ranges; -var range; +var lambda0$1, phi0, lambda1, phi1, // bounds + lambda2, // previous lambda-coordinate + lambda00$1, phi00$1, // first point + p0, // previous 3D point + deltaSum = adder(), + ranges, + range; var boundsStream = { point: boundsPoint, @@ -7180,25 +7685,15 @@ function bounds(feature) { : [[lambda0$1, phi0], [lambda1, phi1]]; } -var W0; -var W1; -var X0; -var Y0; -var Z0; -var X1; -var Y1; -var Z1; -var X2; -var Y2; -var Z2; -var lambda00$2; -var phi00$2; -var x0; -var y0; -var z0; // previous point +var W0, W1, + X0, Y0, Z0, + X1, Y1, Z1, + X2, Y2, Z2, + lambda00$2, phi00$2, // first point + x0, y0, z0; // previous point var centroidStream = { - sphere: noop$1, + sphere: noop$2, point: centroidPoint, lineStart: centroidLineStart, lineEnd: centroidLineEnd, @@ -7327,7 +7822,7 @@ function centroid(object) { return [atan2(y, x) * degrees$1, asin(z / sqrt(m)) * degrees$1]; } -function constant$7(x) { +function constant$8(x) { return function() { return x; }; @@ -7449,9 +7944,9 @@ function circleRadius(cosRadius, point) { } function circle() { - var center = constant$7([0, 0]), - radius = constant$7(90), - precision = constant$7(6), + var center = constant$8([0, 0]), + radius = constant$8(90), + precision = constant$8(6), ring, rotate, stream = {point: point}; @@ -7474,15 +7969,15 @@ function circle() { } circle.center = function(_) { - return arguments.length ? (center = typeof _ === "function" ? _ : constant$7([+_[0], +_[1]]), circle) : center; + return arguments.length ? (center = typeof _ === "function" ? _ : constant$8([+_[0], +_[1]]), circle) : center; }; circle.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), circle) : radius; + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$8(+_), circle) : radius; }; circle.precision = function(_) { - return arguments.length ? (precision = typeof _ === "function" ? _ : constant$7(+_), circle) : precision; + return arguments.length ? (precision = typeof _ === "function" ? _ : constant$8(+_), circle) : precision; }; return circle; @@ -7498,7 +7993,7 @@ function clipBuffer() { lineStart: function() { lines.push(line = []); }, - lineEnd: noop$1, + lineEnd: noop$2, rejoin: function() { if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); }, @@ -7620,12 +8115,16 @@ var sum$1 = adder(); function polygonContains(polygon, point) { var lambda = point[0], phi = point[1], + sinPhi = sin$1(phi), normal = [sin$1(lambda), -cos$1(lambda), 0], angle = 0, winding = 0; sum$1.reset(); + if (sinPhi === 1) phi = halfPi$2 + epsilon$2; + else if (sinPhi === -1) phi = -halfPi$2 - epsilon$2; + for (var i = 0, n = polygon.length; i < n; ++i) { if (!(m = (ring = polygon[i]).length)) continue; var ring, @@ -8133,8 +8632,7 @@ function clipLine(a, b, x0, y0, x1, y1) { return true; } -var clipMax = 1e9; -var clipMin = -clipMax; +var clipMax = 1e9, clipMin = -clipMax; // TODO Use d3-polygon’s polygonContains here for the ring check? // TODO Eliminate duplicate buffering in clipBuffer and polygon.push? @@ -8316,18 +8814,18 @@ function extent$1() { }; } -var lengthSum = adder(); -var lambda0$2; -var sinPhi0$1; -var cosPhi0$1; +var lengthSum = adder(), + lambda0$2, + sinPhi0$1, + cosPhi0$1; var lengthStream = { - sphere: noop$1, - point: noop$1, + sphere: noop$2, + point: noop$2, lineStart: lengthLineStart, - lineEnd: noop$1, - polygonStart: noop$1, - polygonEnd: noop$1 + lineEnd: noop$2, + polygonStart: noop$2, + polygonEnd: noop$2 }; function lengthLineStart() { @@ -8336,7 +8834,7 @@ function lengthLineStart() { } function lengthLineEnd() { - lengthStream.point = lengthStream.lineEnd = noop$1; + lengthStream.point = lengthStream.lineEnd = noop$2; } function lengthPointFirst(lambda, phi) { @@ -8365,8 +8863,8 @@ function length$1(object) { return +lengthSum; } -var coordinates = [null, null]; -var object$1 = {type: "LineString", coordinates: coordinates}; +var coordinates = [null, null], + object$1 = {type: "LineString", coordinates: coordinates}; function distance(a, b) { coordinates[0] = a; @@ -8449,7 +8947,7 @@ function pointRadians(point) { return [point[0] * radians, point[1] * radians]; } -function contains(object, point) { +function contains$1(object, point) { return (object && containsObjectType.hasOwnProperty(object.type) ? containsObjectType[object.type] : containsGeometry)(object, point); @@ -8597,23 +9095,23 @@ function identity$4(x) { return x; } -var areaSum$1 = adder(); -var areaRingSum$1 = adder(); -var x00; -var y00; -var x0$1; -var y0$1; +var areaSum$1 = adder(), + areaRingSum$1 = adder(), + x00, + y00, + x0$1, + y0$1; var areaStream$1 = { - point: noop$1, - lineStart: noop$1, - lineEnd: noop$1, + point: noop$2, + lineStart: noop$2, + lineEnd: noop$2, polygonStart: function() { areaStream$1.lineStart = areaRingStart$1; areaStream$1.lineEnd = areaRingEnd$1; }, polygonEnd: function() { - areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$1; + areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$2; areaSum$1.add(abs(areaRingSum$1)); areaRingSum$1.reset(); }, @@ -8642,17 +9140,17 @@ function areaRingEnd$1() { areaPoint$1(x00, y00); } -var x0$2 = Infinity; -var y0$2 = x0$2; -var x1 = -x0$2; -var y1 = x1; +var x0$2 = Infinity, + y0$2 = x0$2, + x1 = -x0$2, + y1 = x1; var boundsStream$1 = { point: boundsPoint$1, - lineStart: noop$1, - lineEnd: noop$1, - polygonStart: noop$1, - polygonEnd: noop$1, + lineStart: noop$2, + lineEnd: noop$2, + polygonStart: noop$2, + polygonEnd: noop$2, result: function() { var bounds = [[x0$2, y0$2], [x1, y1]]; x1 = y1 = -(y0$2 = x0$2 = Infinity); @@ -8669,19 +9167,19 @@ function boundsPoint$1(x, y) { // TODO Enforce positive area for exterior, negative area for interior? -var X0$1 = 0; -var Y0$1 = 0; -var Z0$1 = 0; -var X1$1 = 0; -var Y1$1 = 0; -var Z1$1 = 0; -var X2$1 = 0; -var Y2$1 = 0; -var Z2$1 = 0; -var x00$1; -var y00$1; -var x0$3; -var y0$3; +var X0$1 = 0, + Y0$1 = 0, + Z0$1 = 0, + X1$1 = 0, + Y1$1 = 0, + Z1$1 = 0, + X2$1 = 0, + Y2$1 = 0, + Z2$1 = 0, + x00$1, + y00$1, + x0$3, + y0$3; var centroidStream$1 = { point: centroidPoint$1, @@ -8804,24 +9302,24 @@ PathContext.prototype = { } } }, - result: noop$1 + result: noop$2 }; -var lengthSum$1 = adder(); -var lengthRing; -var x00$2; -var y00$2; -var x0$4; -var y0$4; +var lengthSum$1 = adder(), + lengthRing, + x00$2, + y00$2, + x0$4, + y0$4; var lengthStream$1 = { - point: noop$1, + point: noop$2, lineStart: function() { lengthStream$1.point = lengthPointFirst$1; }, lineEnd: function() { if (lengthRing) lengthPoint$1(x00$2, y00$2); - lengthStream$1.point = noop$1; + lengthStream$1.point = noop$2; }, polygonStart: function() { lengthRing = true; @@ -9032,8 +9530,8 @@ function fitHeight(projection, height, object) { }, object); } -var maxDepth = 16; -var cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) +var maxDepth = 16, // maximum depth of subdivision + cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) function resample(project, delta2) { return +delta2 ? resample$1(project, delta2) : resampleNone(project); @@ -9146,6 +9644,34 @@ function transformRotate(rotate) { }); } +function scaleTranslate(k, dx, dy) { + function transform$$1(x, y) { + return [dx + k * x, dy - k * y]; + } + transform$$1.invert = function(x, y) { + return [(x - dx) / k, (dy - y) / k]; + }; + return transform$$1; +} + +function scaleTranslateRotate(k, dx, dy, alpha) { + var cosAlpha = cos$1(alpha), + sinAlpha = sin$1(alpha), + a = cosAlpha * k, + b = sinAlpha * k, + ai = cosAlpha / k, + bi = sinAlpha / k, + ci = (sinAlpha * dy - cosAlpha * dx) / k, + fi = (sinAlpha * dx + cosAlpha * dy) / k; + function transform$$1(x, y) { + return [a * x - b * y + dx, dy - b * x - a * y]; + } + transform$$1.invert = function(x, y) { + return [ai * x - bi * y + ci, fi - bi * x - ai * y]; + }; + return transform$$1; +} + function projection(project) { return projectionMutator(function() { return project; })(); } @@ -9154,28 +9680,27 @@ function projectionMutator(projectAt) { var project, k = 150, // scale x = 480, y = 250, // translate - dx, dy, lambda = 0, phi = 0, // center - deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, projectRotate, // rotate - theta = null, preclip = clipAntimeridian, // clip angle - x0 = null, y0, x1, y1, postclip = identity$4, // clip extent - delta2 = 0.5, projectResample = resample(projectTransform, delta2), // precision + lambda = 0, phi = 0, // center + deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, // pre-rotate + alpha = 0, // post-rotate + theta = null, preclip = clipAntimeridian, // pre-clip angle + x0 = null, y0, x1, y1, postclip = identity$4, // post-clip extent + delta2 = 0.5, // precision + projectResample, + projectTransform, + projectRotateTransform, cache, cacheStream; function projection(point) { - point = projectRotate(point[0] * radians, point[1] * radians); - return [point[0] * k + dx, dy - point[1] * k]; + return projectRotateTransform(point[0] * radians, point[1] * radians); } function invert(point) { - point = projectRotate.invert((point[0] - dx) / k, (dy - point[1]) / k); + point = projectRotateTransform.invert(point[0], point[1]); return point && [point[0] * degrees$1, point[1] * degrees$1]; } - function projectTransform(x, y) { - return x = project(x, y), [x[0] * k + dx, dy - x[1] * k]; - } - projection.stream = function(stream) { return cache && cacheStream === stream ? cache : cache = transformRadians(transformRotate(rotate)(preclip(projectResample(postclip(cacheStream = stream))))); }; @@ -9212,6 +9737,10 @@ function projectionMutator(projectAt) { return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees$1, deltaPhi * degrees$1, deltaGamma * degrees$1]; }; + projection.angle = function(_) { + return arguments.length ? (alpha = _ % 360 * radians, recenter()) : alpha * degrees$1; + }; + projection.precision = function(_) { return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt(delta2); }; @@ -9233,10 +9762,12 @@ function projectionMutator(projectAt) { }; function recenter() { - projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); - var center = project(lambda, phi); - dx = x - center[0] * k; - dy = y + center[1] * k; + var center = scaleTranslateRotate(k, 0, 0, alpha).apply(null, project(lambda, phi)), + transform$$1 = (alpha ? scaleTranslateRotate : scaleTranslate)(k, x - center[0], y - center[1], alpha); + rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma); + projectTransform = compose(project, transform$$1); + projectRotateTransform = compose(rotate, projectTransform); + projectResample = resample(projectTransform, delta2); return reset(); } @@ -9605,7 +10136,7 @@ function gnomonic() { .clipAngle(60); } -function scaleTranslate(kx, ky, tx, ty) { +function scaleTranslate$1(kx, ky, tx, ty) { return kx === 1 && ky === 1 && tx === 0 && ty === 0 ? identity$4 : transformer({ point: function(x, y) { this.stream.point(x * kx + tx, y * ky + ty); @@ -9637,16 +10168,16 @@ function identity$5() { return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; }, scale: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate((k = +_) * sx, k * sy, tx, ty), reset()) : k; + return arguments.length ? (transform$$1 = scaleTranslate$1((k = +_) * sx, k * sy, tx, ty), reset()) : k; }, translate: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; + return arguments.length ? (transform$$1 = scaleTranslate$1(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; }, reflectX: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0; + return arguments.length ? (transform$$1 = scaleTranslate$1(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0; }, reflectY: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate(k * sx, k * (sy = _ ? -1 : 1), tx, ty), reset()) : sy < 0; + return arguments.length ? (transform$$1 = scaleTranslate$1(k * sx, k * (sy = _ ? -1 : 1), tx, ty), reset()) : sy < 0; }, fitExtent: function(extent, object) { return fitExtent(projection, extent, object); @@ -10031,7 +10562,7 @@ Node.prototype = hierarchy.prototype = { copy: node_copy }; -var slice$3 = Array.prototype.slice; +var slice$4 = Array.prototype.slice; function shuffle$1(array) { var m = array.length, @@ -10049,7 +10580,7 @@ function shuffle$1(array) { } function enclose(circles) { - var i = 0, n = (circles = shuffle$1(slice$3.call(circles))).length, B = [], p, e; + var i = 0, n = (circles = shuffle$1(slice$4.call(circles))).length, B = [], p, e; while (i < n) { p = circles[i]; @@ -10165,30 +10696,33 @@ function encloseBasis3(a, b, c) { }; } -function place(a, b, c) { - var ax = a.x, - ay = a.y, - da = b.r + c.r, - db = a.r + c.r, - dx = b.x - ax, - dy = b.y - ay, - dc = dx * dx + dy * dy; - if (dc) { - var x = 0.5 + ((db *= db) - (da *= da)) / (2 * dc), - y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); - c.x = ax + x * dx + y * dy; - c.y = ay + x * dy - y * dx; +function place(b, a, c) { + var dx = b.x - a.x, x, a2, + dy = b.y - a.y, y, b2, + d2 = dx * dx + dy * dy; + if (d2) { + a2 = a.r + c.r, a2 *= a2; + b2 = b.r + c.r, b2 *= b2; + if (a2 > b2) { + x = (d2 + b2 - a2) / (2 * d2); + y = Math.sqrt(Math.max(0, b2 / d2 - x * x)); + c.x = b.x - x * dx - y * dy; + c.y = b.y - x * dy + y * dx; + } else { + x = (d2 + a2 - b2) / (2 * d2); + y = Math.sqrt(Math.max(0, a2 / d2 - x * x)); + c.x = a.x + x * dx - y * dy; + c.y = a.y + x * dy + y * dx; + } } else { - c.x = ax + db; - c.y = ay; + c.x = a.x + c.r; + c.y = a.y; } } function intersects(a, b) { - var dx = b.x - a.x, - dy = b.y - a.y, - dr = a.r + b.r; - return dr * dr - 1e-6 > dx * dx + dy * dy; + var dr = a.r + b.r - 1e-6, dx = b.x - a.x, dy = b.y - a.y; + return dr > 0 && dr * dr > dx * dx + dy * dy; } function score(node) { @@ -10292,7 +10826,7 @@ function constantZero() { return 0; } -function constant$8(x) { +function constant$9(x) { return function() { return x; }; @@ -10332,7 +10866,7 @@ function index$2() { }; pack.padding = function(x) { - return arguments.length ? (padding = typeof x === "function" ? x : constant$8(+x), pack) : padding; + return arguments.length ? (padding = typeof x === "function" ? x : constant$9(+x), pack) : padding; }; return pack; @@ -10444,9 +10978,9 @@ function partition() { return partition; } -var keyPrefix$1 = "$"; -var preroot = {depth: -1}; -var ambiguous = {}; +var keyPrefix$1 = "$", // Protect against keys like “__proto__”. + preroot = {depth: -1}, + ambiguous = {}; function defaultId(d) { return d.id; @@ -10892,7 +11426,7 @@ function index$3() { }; treemap.paddingInner = function(x) { - return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$8(+x), treemap) : paddingInner; + return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$9(+x), treemap) : paddingInner; }; treemap.paddingOuter = function(x) { @@ -10900,19 +11434,19 @@ function index$3() { }; treemap.paddingTop = function(x) { - return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$8(+x), treemap) : paddingTop; + return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$9(+x), treemap) : paddingTop; }; treemap.paddingRight = function(x) { - return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$8(+x), treemap) : paddingRight; + return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$9(+x), treemap) : paddingRight; }; treemap.paddingBottom = function(x) { - return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$8(+x), treemap) : paddingBottom; + return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$9(+x), treemap) : paddingBottom; }; treemap.paddingLeft = function(x) { - return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$8(+x), treemap) : paddingLeft; + return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$9(+x), treemap) : paddingLeft; }; return treemap; @@ -11002,7 +11536,7 @@ var resquarify = (function custom(ratio) { return resquarify; })(phi); -function area$1(polygon) { +function area$2(polygon) { var i = -1, n = polygon.length, a, @@ -11095,7 +11629,7 @@ function hull(points) { return hull; } -function contains$1(polygon, point) { +function contains$2(polygon, point) { var n = polygon.length, p = polygon[n - 1], x = point[0], y = point[1], @@ -11136,128 +11670,6 @@ function length$2(polygon) { return perimeter; } -var slice$4 = [].slice; - -var noabort = {}; - -function Queue(size) { - this._size = size; - this._call = - this._error = null; - this._tasks = []; - this._data = []; - this._waiting = - this._active = - this._ended = - this._start = 0; // inside a synchronous task callback? -} - -Queue.prototype = queue.prototype = { - constructor: Queue, - defer: function(callback) { - if (typeof callback !== "function") throw new Error("invalid callback"); - if (this._call) throw new Error("defer after await"); - if (this._error != null) return this; - var t = slice$4.call(arguments, 1); - t.push(callback); - ++this._waiting, this._tasks.push(t); - poke$1(this); - return this; - }, - abort: function() { - if (this._error == null) abort(this, new Error("abort")); - return this; - }, - await: function(callback) { - if (typeof callback !== "function") throw new Error("invalid callback"); - if (this._call) throw new Error("multiple await"); - this._call = function(error, results) { callback.apply(null, [error].concat(results)); }; - maybeNotify(this); - return this; - }, - awaitAll: function(callback) { - if (typeof callback !== "function") throw new Error("invalid callback"); - if (this._call) throw new Error("multiple await"); - this._call = callback; - maybeNotify(this); - return this; - } -}; - -function poke$1(q) { - if (!q._start) { - try { start$1(q); } // let the current task complete - catch (e) { - if (q._tasks[q._ended + q._active - 1]) abort(q, e); // task errored synchronously - else if (!q._data) throw e; // await callback errored synchronously - } - } -} - -function start$1(q) { - while (q._start = q._waiting && q._active < q._size) { - var i = q._ended + q._active, - t = q._tasks[i], - j = t.length - 1, - c = t[j]; - t[j] = end(q, i); - --q._waiting, ++q._active; - t = c.apply(null, t); - if (!q._tasks[i]) continue; // task finished synchronously - q._tasks[i] = t || noabort; - } -} - -function end(q, i) { - return function(e, r) { - if (!q._tasks[i]) return; // ignore multiple callbacks - --q._active, ++q._ended; - q._tasks[i] = null; - if (q._error != null) return; // ignore secondary errors - if (e != null) { - abort(q, e); - } else { - q._data[i] = r; - if (q._waiting) poke$1(q); - else maybeNotify(q); - } - }; -} - -function abort(q, e) { - var i = q._tasks.length, t; - q._error = e; // ignore active callbacks - q._data = undefined; // allow gc - q._waiting = NaN; // prevent starting - - while (--i >= 0) { - if (t = q._tasks[i]) { - q._tasks[i] = null; - if (t.abort) { - try { t.abort(); } - catch (e) { /* ignore */ } - } - } - } - - q._active = NaN; // allow notification - maybeNotify(q); -} - -function maybeNotify(q) { - if (!q._active && q._call) { - var d = q._data; - q._data = undefined; // allow gc - q._call(q._error, d); - } -} - -function queue(concurrency) { - if (concurrency == null) concurrency = Infinity; - else if (!((concurrency = +concurrency) >= 1)) throw new Error("invalid concurrency"); - return new Queue(concurrency); -} - function defaultSource$1() { return Math.random(); } @@ -11356,208 +11768,10 @@ var exponential$1 = (function sourceRandomExponential(source) { return randomExponential; })(defaultSource$1); -function request(url, callback) { - var request, - event = dispatch("beforesend", "progress", "load", "error"), - mimeType, - headers = map$1(), - xhr = new XMLHttpRequest, - user = null, - password = null, - response, - responseType, - timeout = 0; - - // If IE does not support CORS, use XDomainRequest. - if (typeof XDomainRequest !== "undefined" - && !("withCredentials" in xhr) - && /^(http(s)?:)?\/\//.test(url)) xhr = new XDomainRequest; - - "onload" in xhr - ? xhr.onload = xhr.onerror = xhr.ontimeout = respond - : xhr.onreadystatechange = function(o) { xhr.readyState > 3 && respond(o); }; - - function respond(o) { - var status = xhr.status, result; - if (!status && hasResponse(xhr) - || status >= 200 && status < 300 - || status === 304) { - if (response) { - try { - result = response.call(request, xhr); - } catch (e) { - event.call("error", request, e); - return; - } - } else { - result = xhr; - } - event.call("load", request, result); - } else { - event.call("error", request, o); - } - } - - xhr.onprogress = function(e) { - event.call("progress", request, e); - }; - - request = { - header: function(name, value) { - name = (name + "").toLowerCase(); - if (arguments.length < 2) return headers.get(name); - if (value == null) headers.remove(name); - else headers.set(name, value + ""); - return request; - }, - - // If mimeType is non-null and no Accept header is set, a default is used. - mimeType: function(value) { - if (!arguments.length) return mimeType; - mimeType = value == null ? null : value + ""; - return request; - }, - - // Specifies what type the response value should take; - // for instance, arraybuffer, blob, document, or text. - responseType: function(value) { - if (!arguments.length) return responseType; - responseType = value; - return request; - }, - - timeout: function(value) { - if (!arguments.length) return timeout; - timeout = +value; - return request; - }, - - user: function(value) { - return arguments.length < 1 ? user : (user = value == null ? null : value + "", request); - }, - - password: function(value) { - return arguments.length < 1 ? password : (password = value == null ? null : value + "", request); - }, - - // Specify how to convert the response content to a specific type; - // changes the callback value on "load" events. - response: function(value) { - response = value; - return request; - }, - - // Alias for send("GET", …). - get: function(data, callback) { - return request.send("GET", data, callback); - }, - - // Alias for send("POST", …). - post: function(data, callback) { - return request.send("POST", data, callback); - }, - - // If callback is non-null, it will be used for error and load events. - send: function(method, data, callback) { - xhr.open(method, url, true, user, password); - if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*"); - if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); }); - if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType); - if (responseType != null) xhr.responseType = responseType; - if (timeout > 0) xhr.timeout = timeout; - if (callback == null && typeof data === "function") callback = data, data = null; - if (callback != null && callback.length === 1) callback = fixCallback(callback); - if (callback != null) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); }); - event.call("beforesend", request, xhr); - xhr.send(data == null ? null : data); - return request; - }, - - abort: function() { - xhr.abort(); - return request; - }, - - on: function() { - var value = event.on.apply(event, arguments); - return value === event ? request : value; - } - }; - - if (callback != null) { - if (typeof callback !== "function") throw new Error("invalid callback: " + callback); - return request.get(callback); - } - - return request; -} - -function fixCallback(callback) { - return function(error, xhr) { - callback(error == null ? xhr : null); - }; -} - -function hasResponse(xhr) { - var type = xhr.responseType; - return type && type !== "text" - ? xhr.response // null on error - : xhr.responseText; // "" on error -} - -function type$1(defaultMimeType, response) { - return function(url, callback) { - var r = request(url).mimeType(defaultMimeType).response(response); - if (callback != null) { - if (typeof callback !== "function") throw new Error("invalid callback: " + callback); - return r.get(callback); - } - return r; - }; -} - -var html = type$1("text/html", function(xhr) { - return document.createRange().createContextualFragment(xhr.responseText); -}); - -var json = type$1("application/json", function(xhr) { - return JSON.parse(xhr.responseText); -}); - -var text = type$1("text/plain", function(xhr) { - return xhr.responseText; -}); - -var xml = type$1("application/xml", function(xhr) { - var xml = xhr.responseXML; - if (!xml) throw new Error("parse error"); - return xml; -}); +var array$3 = Array.prototype; -function dsv$1(defaultMimeType, parse) { - return function(url, row, callback) { - if (arguments.length < 3) callback = row, row = null; - var r = request(url).mimeType(defaultMimeType); - r.row = function(_) { return arguments.length ? r.response(responseOf(parse, row = _)) : row; }; - r.row(row); - return callback ? r.get(callback) : r; - }; -} - -function responseOf(parse, row) { - return function(request$$1) { - return parse(request$$1.responseText, row); - }; -} - -var csv$1 = dsv$1("text/csv", csvParse); - -var tsv$1 = dsv$1("text/tab-separated-values", tsvParse); - -var array$2 = Array.prototype; - -var map$3 = array$2.map; -var slice$5 = array$2.slice; +var map$2 = array$3.map; +var slice$5 = array$3.slice; var implicit = {name: "implicit"}; @@ -11702,7 +11916,7 @@ function point$1() { return pointish(band().paddingInner(1)); } -function constant$9(x) { +function constant$10(x) { return function() { return x; }; @@ -11717,7 +11931,7 @@ var unit = [0, 1]; function deinterpolateLinear(a, b) { return (b -= (a = +a)) ? function(x) { return (x - a) / b; } - : constant$9(b); + : constant$10(b); } function deinterpolateClamp(deinterpolate) { @@ -11727,21 +11941,21 @@ function deinterpolateClamp(deinterpolate) { }; } -function reinterpolateClamp(reinterpolate) { +function reinterpolateClamp(reinterpolate$$1) { return function(a, b) { - var r = reinterpolate(a = +a, b = +b); + var r = reinterpolate$$1(a = +a, b = +b); return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; }; } -function bimap(domain, range, deinterpolate, reinterpolate) { +function bimap(domain, range, deinterpolate, reinterpolate$$1) { var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; - if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); - else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); + if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate$$1(r1, r0); + else d0 = deinterpolate(d0, d1), r0 = reinterpolate$$1(r0, r1); return function(x) { return r0(d0(x)); }; } -function polymap(domain, range, deinterpolate, reinterpolate) { +function polymap(domain, range, deinterpolate, reinterpolate$$1) { var j = Math.min(domain.length, range.length) - 1, d = new Array(j), r = new Array(j), @@ -11755,7 +11969,7 @@ function polymap(domain, range, deinterpolate, reinterpolate) { while (++i < j) { d[i] = deinterpolate(domain[i], domain[i + 1]); - r[i] = reinterpolate(range[i], range[i + 1]); + r[i] = reinterpolate$$1(range[i], range[i + 1]); } return function(x) { @@ -11774,31 +11988,31 @@ function copy(source, target) { // deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. // reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. -function continuous(deinterpolate, reinterpolate) { +function continuous(deinterpolate, reinterpolate$$1) { var domain = unit, range = unit, interpolate$$1 = interpolateValue, clamp = false, - piecewise, + piecewise$$1, output, input; function rescale() { - piecewise = Math.min(domain.length, range.length) > 2 ? polymap : bimap; + piecewise$$1 = Math.min(domain.length, range.length) > 2 ? polymap : bimap; output = input = null; return scale; } function scale(x) { - return (output || (output = piecewise(domain, range, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x); + return (output || (output = piecewise$$1(domain, range, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x); } scale.invert = function(y) { - return (input || (input = piecewise(range, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); + return (input || (input = piecewise$$1(range, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate$$1) : reinterpolate$$1)))(+y); }; scale.domain = function(_) { - return arguments.length ? (domain = map$3.call(_, number$2), rescale()) : domain.slice(); + return arguments.length ? (domain = map$2.call(_, number$2), rescale()) : domain.slice(); }; scale.range = function(_) { @@ -11924,7 +12138,7 @@ function identity$6() { scale.invert = scale; scale.domain = scale.range = function(_) { - return arguments.length ? (domain = map$3.call(_, number$2), scale) : domain.slice(); + return arguments.length ? (domain = map$2.call(_, number$2), scale) : domain.slice(); }; scale.copy = function() { @@ -11956,7 +12170,7 @@ function nice(domain, interval) { function deinterpolate(a, b) { return (b = Math.log(b / a)) ? function(x) { return Math.log(x / a) / b; } - : constant$9(b); + : constant$10(b); } function reinterpolate$1(a, b) { @@ -12088,7 +12302,7 @@ function pow$1() { function deinterpolate(a, b) { return (b = raise$1(b, exponent) - (a = raise$1(a, exponent))) ? function(x) { return (raise$1(x, exponent) - a) / b; } - : constant$9(b); + : constant$10(b); } function reinterpolate(a, b) { @@ -12234,8 +12448,8 @@ function threshold$1() { return scale; } -var t0$1 = new Date; -var t1$1 = new Date; +var t0$1 = new Date, + t1$1 = new Date; function newInterval(floori, offseti, count, field) { @@ -12324,51 +12538,47 @@ millisecond.every = function(k) { return (end - start) / k; }); }; - var milliseconds = millisecond.range; -var durationSecond$1 = 1e3; -var durationMinute$1 = 6e4; -var durationHour$1 = 36e5; -var durationDay$1 = 864e5; -var durationWeek$1 = 6048e5; +var durationSecond = 1e3; +var durationMinute = 6e4; +var durationHour = 36e5; +var durationDay = 864e5; +var durationWeek = 6048e5; var second = newInterval(function(date) { - date.setTime(Math.floor(date / durationSecond$1) * durationSecond$1); + date.setTime(Math.floor(date / durationSecond) * durationSecond); }, function(date, step) { - date.setTime(+date + step * durationSecond$1); + date.setTime(+date + step * durationSecond); }, function(start, end) { - return (end - start) / durationSecond$1; + return (end - start) / durationSecond; }, function(date) { return date.getUTCSeconds(); }); - var seconds = second.range; var minute = newInterval(function(date) { - date.setTime(Math.floor(date / durationMinute$1) * durationMinute$1); + date.setTime(Math.floor(date / durationMinute) * durationMinute); }, function(date, step) { - date.setTime(+date + step * durationMinute$1); + date.setTime(+date + step * durationMinute); }, function(start, end) { - return (end - start) / durationMinute$1; + return (end - start) / durationMinute; }, function(date) { return date.getMinutes(); }); - var minutes = minute.range; var hour = newInterval(function(date) { - var offset = date.getTimezoneOffset() * durationMinute$1 % durationHour$1; - if (offset < 0) offset += durationHour$1; - date.setTime(Math.floor((+date - offset) / durationHour$1) * durationHour$1 + offset); + var offset = date.getTimezoneOffset() * durationMinute % durationHour; + if (offset < 0) offset += durationHour; + date.setTime(Math.floor((+date - offset) / durationHour) * durationHour + offset); }, function(date, step) { - date.setTime(+date + step * durationHour$1); + date.setTime(+date + step * durationHour); }, function(start, end) { - return (end - start) / durationHour$1; + return (end - start) / durationHour; }, function(date) { return date.getHours(); }); - var hours = hour.range; var day = newInterval(function(date) { @@ -12376,11 +12586,10 @@ var day = newInterval(function(date) { }, function(date, step) { date.setDate(date.getDate() + step); }, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationDay$1; + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay; }, function(date) { return date.getDate() - 1; }); - var days = day.range; function weekday(i) { @@ -12390,7 +12599,7 @@ function weekday(i) { }, function(date, step) { date.setDate(date.getDate() + step * 7); }, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationWeek$1; + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; }); } @@ -12420,7 +12629,6 @@ var month = newInterval(function(date) { }, function(date) { return date.getMonth(); }); - var months = month.range; var year = newInterval(function(date) { @@ -12444,31 +12652,28 @@ year.every = function(k) { date.setFullYear(date.getFullYear() + step * k); }); }; - var years = year.range; var utcMinute = newInterval(function(date) { date.setUTCSeconds(0, 0); }, function(date, step) { - date.setTime(+date + step * durationMinute$1); + date.setTime(+date + step * durationMinute); }, function(start, end) { - return (end - start) / durationMinute$1; + return (end - start) / durationMinute; }, function(date) { return date.getUTCMinutes(); }); - var utcMinutes = utcMinute.range; var utcHour = newInterval(function(date) { date.setUTCMinutes(0, 0, 0); }, function(date, step) { - date.setTime(+date + step * durationHour$1); + date.setTime(+date + step * durationHour); }, function(start, end) { - return (end - start) / durationHour$1; + return (end - start) / durationHour; }, function(date) { return date.getUTCHours(); }); - var utcHours = utcHour.range; var utcDay = newInterval(function(date) { @@ -12476,11 +12681,10 @@ var utcDay = newInterval(function(date) { }, function(date, step) { date.setUTCDate(date.getUTCDate() + step); }, function(start, end) { - return (end - start) / durationDay$1; + return (end - start) / durationDay; }, function(date) { return date.getUTCDate() - 1; }); - var utcDays = utcDay.range; function utcWeekday(i) { @@ -12490,7 +12694,7 @@ function utcWeekday(i) { }, function(date, step) { date.setUTCDate(date.getUTCDate() + step * 7); }, function(start, end) { - return (end - start) / durationWeek$1; + return (end - start) / durationWeek; }); } @@ -12520,7 +12724,6 @@ var utcMonth = newInterval(function(date) { }, function(date) { return date.getUTCMonth(); }); - var utcMonths = utcMonth.range; var utcYear = newInterval(function(date) { @@ -12544,7 +12747,6 @@ utcYear.every = function(k) { date.setUTCFullYear(date.getUTCFullYear() + step * k); }); }; - var utcYears = utcYear.range; function localDate(d) { @@ -12897,10 +13099,10 @@ function formatLocale$1(locale) { }; } -var pads = {"-": "", "_": " ", "0": "0"}; -var numberRe = /^\s*\d+/; -var percentRe = /^%/; -var requoteRe = /[\\^$*+?|[\]().{}]/g; +var pads = {"-": "", "_": " ", "0": "0"}, + numberRe = /^\s*\d+/, // note: ignores next directive + percentRe = /^%/, + requoteRe = /[\\^$*+?|[\]().{}]/g; function pad(value, fill, width) { var sign = value < 0 ? "-" : "", @@ -13177,10 +13379,6 @@ function formatUnixTimestampSeconds(d) { var locale$1; - - - - defaultLocale$1({ dateTime: "%x, %X", date: "%-m/%-d/%Y", @@ -13220,13 +13418,13 @@ var parseIso = +new Date("2000-01-01T00:00:00.000Z") ? parseIsoNative : exports.utcParse(isoSpecifier); -var durationSecond = 1000; -var durationMinute = durationSecond * 60; -var durationHour = durationMinute * 60; -var durationDay = durationHour * 24; -var durationWeek = durationDay * 7; -var durationMonth = durationDay * 30; -var durationYear = durationDay * 365; +var durationSecond$1 = 1000, + durationMinute$1 = durationSecond$1 * 60, + durationHour$1 = durationMinute$1 * 60, + durationDay$1 = durationHour$1 * 24, + durationWeek$1 = durationDay$1 * 7, + durationMonth = durationDay$1 * 30, + durationYear = durationDay$1 * 365; function date$1(t) { return new Date(t); @@ -13251,34 +13449,34 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 formatYear = format("%Y"); var tickIntervals = [ - [second$$1, 1, durationSecond], - [second$$1, 5, 5 * durationSecond], - [second$$1, 15, 15 * durationSecond], - [second$$1, 30, 30 * durationSecond], - [minute$$1, 1, durationMinute], - [minute$$1, 5, 5 * durationMinute], - [minute$$1, 15, 15 * durationMinute], - [minute$$1, 30, 30 * durationMinute], - [ hour$$1, 1, durationHour ], - [ hour$$1, 3, 3 * durationHour ], - [ hour$$1, 6, 6 * durationHour ], - [ hour$$1, 12, 12 * durationHour ], - [ day$$1, 1, durationDay ], - [ day$$1, 2, 2 * durationDay ], - [ week, 1, durationWeek ], + [second$$1, 1, durationSecond$1], + [second$$1, 5, 5 * durationSecond$1], + [second$$1, 15, 15 * durationSecond$1], + [second$$1, 30, 30 * durationSecond$1], + [minute$$1, 1, durationMinute$1], + [minute$$1, 5, 5 * durationMinute$1], + [minute$$1, 15, 15 * durationMinute$1], + [minute$$1, 30, 30 * durationMinute$1], + [ hour$$1, 1, durationHour$1 ], + [ hour$$1, 3, 3 * durationHour$1 ], + [ hour$$1, 6, 6 * durationHour$1 ], + [ hour$$1, 12, 12 * durationHour$1 ], + [ day$$1, 1, durationDay$1 ], + [ day$$1, 2, 2 * durationDay$1 ], + [ week, 1, durationWeek$1 ], [ month$$1, 1, durationMonth ], [ month$$1, 3, 3 * durationMonth ], [ year$$1, 1, durationYear ] ]; - function tickFormat(date) { - return (second$$1(date) < date ? formatMillisecond - : minute$$1(date) < date ? formatSecond - : hour$$1(date) < date ? formatMinute - : day$$1(date) < date ? formatHour - : month$$1(date) < date ? (week(date) < date ? formatDay : formatWeek) - : year$$1(date) < date ? formatMonth - : formatYear)(date); + function tickFormat(date$$1) { + return (second$$1(date$$1) < date$$1 ? formatMillisecond + : minute$$1(date$$1) < date$$1 ? formatSecond + : hour$$1(date$$1) < date$$1 ? formatMinute + : day$$1(date$$1) < date$$1 ? formatHour + : month$$1(date$$1) < date$$1 ? (week(date$$1) < date$$1 ? formatDay : formatWeek) + : year$$1(date$$1) < date$$1 ? formatMonth + : formatYear)(date$$1); } function tickInterval(interval, start, stop, step) { @@ -13311,7 +13509,7 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 }; scale.domain = function(_) { - return arguments.length ? domain(map$3.call(_, number$3)) : domain().map(date$1); + return arguments.length ? domain(map$2.call(_, number$3)) : domain().map(date$1); }; scale.ticks = function(interval, step) { @@ -13352,52 +13550,6 @@ function utcTime() { return calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); } -function colors(s) { - return s.match(/.{6}/g).map(function(x) { - return "#" + x; - }); -} - -var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); - -var category20b = colors("393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6"); - -var category20c = colors("3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9"); - -var category20 = colors("1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5"); - -var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); - -var warm = cubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); - -var cool = cubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); - -var rainbow = cubehelix(); - -function rainbow$1(t) { - if (t < 0 || t > 1) t -= Math.floor(t); - var ts = Math.abs(t - 0.5); - rainbow.h = 360 * t - 100; - rainbow.s = 1.5 - 1.5 * ts; - rainbow.l = 0.8 - 0.9 * ts; - return rainbow + ""; -} - -function ramp(range) { - var n = range.length; - return function(t) { - return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; - }; -} - -var viridis = ramp(colors("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")); - -var magma = ramp(colors("00000401000501010601010802010902020b02020d03030f03031204041405041606051806051a07061c08071e0907200a08220b09240c09260d0a290e0b2b100b2d110c2f120d31130d34140e36150e38160f3b180f3d19103f1a10421c10441d11471e114920114b21114e22115024125325125527125829115a2a115c2c115f2d11612f116331116533106734106936106b38106c390f6e3b0f703d0f713f0f72400f74420f75440f764510774710784910784a10794c117a4e117b4f127b51127c52137c54137d56147d57157e59157e5a167e5c167f5d177f5f187f601880621980641a80651a80671b80681c816a1c816b1d816d1d816e1e81701f81721f817320817521817621817822817922827b23827c23827e24828025828125818326818426818627818827818928818b29818c29818e2a81902a81912b81932b80942c80962c80982d80992d809b2e7f9c2e7f9e2f7fa02f7fa1307ea3307ea5317ea6317da8327daa337dab337cad347cae347bb0357bb2357bb3367ab5367ab73779b83779ba3878bc3978bd3977bf3a77c03a76c23b75c43c75c53c74c73d73c83e73ca3e72cc3f71cd4071cf4070d0416fd2426fd3436ed5446dd6456cd8456cd9466bdb476adc4869de4968df4a68e04c67e24d66e34e65e44f64e55064e75263e85362e95462ea5661eb5760ec5860ed5a5fee5b5eef5d5ef05f5ef1605df2625df2645cf3655cf4675cf4695cf56b5cf66c5cf66e5cf7705cf7725cf8745cf8765cf9785df9795df97b5dfa7d5efa7f5efa815ffb835ffb8560fb8761fc8961fc8a62fc8c63fc8e64fc9065fd9266fd9467fd9668fd9869fd9a6afd9b6bfe9d6cfe9f6dfea16efea36ffea571fea772fea973feaa74feac76feae77feb078feb27afeb47bfeb67cfeb77efeb97ffebb81febd82febf84fec185fec287fec488fec68afec88cfeca8dfecc8ffecd90fecf92fed194fed395fed597fed799fed89afdda9cfddc9efddea0fde0a1fde2a3fde3a5fde5a7fde7a9fde9aafdebacfcecaefceeb0fcf0b2fcf2b4fcf4b6fcf6b8fcf7b9fcf9bbfcfbbdfcfdbf")); - -var inferno = ramp(colors("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")); - -var plasma = ramp(colors("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")); - function sequential(interpolator) { var x0 = 0, x1 = 1, @@ -13427,7 +13579,422 @@ function sequential(interpolator) { return linearish(scale); } -function constant$10(x) { +function colors(specifier) { + var n = specifier.length / 6 | 0, colors = new Array(n), i = 0; + while (i < n) colors[i] = "#" + specifier.slice(i * 6, ++i * 6); + return colors; +} + +var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); + +var Accent = colors("7fc97fbeaed4fdc086ffff99386cb0f0027fbf5b17666666"); + +var Dark2 = colors("1b9e77d95f027570b3e7298a66a61ee6ab02a6761d666666"); + +var Paired = colors("a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00cab2d66a3d9affff99b15928"); + +var Pastel1 = colors("fbb4aeb3cde3ccebc5decbe4fed9a6ffffcce5d8bdfddaecf2f2f2"); + +var Pastel2 = colors("b3e2cdfdcdaccbd5e8f4cae4e6f5c9fff2aef1e2cccccccc"); + +var Set1 = colors("e41a1c377eb84daf4a984ea3ff7f00ffff33a65628f781bf999999"); + +var Set2 = colors("66c2a5fc8d628da0cbe78ac3a6d854ffd92fe5c494b3b3b3"); + +var Set3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5ffed6f"); + +function ramp(scheme) { + return rgbBasis(scheme[scheme.length - 1]); +} + +var scheme = new Array(3).concat( + "d8b365f5f5f55ab4ac", + "a6611adfc27d80cdc1018571", + "a6611adfc27df5f5f580cdc1018571", + "8c510ad8b365f6e8c3c7eae55ab4ac01665e", + "8c510ad8b365f6e8c3f5f5f5c7eae55ab4ac01665e", + "8c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e", + "8c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e", + "5430058c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e003c30", + "5430058c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e003c30" +).map(colors); + +var BrBG = ramp(scheme); + +var scheme$1 = new Array(3).concat( + "af8dc3f7f7f77fbf7b", + "7b3294c2a5cfa6dba0008837", + "7b3294c2a5cff7f7f7a6dba0008837", + "762a83af8dc3e7d4e8d9f0d37fbf7b1b7837", + "762a83af8dc3e7d4e8f7f7f7d9f0d37fbf7b1b7837", + "762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b7837", + "762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b7837", + "40004b762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b783700441b", + "40004b762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b783700441b" +).map(colors); + +var PRGn = ramp(scheme$1); + +var scheme$2 = new Array(3).concat( + "e9a3c9f7f7f7a1d76a", + "d01c8bf1b6dab8e1864dac26", + "d01c8bf1b6daf7f7f7b8e1864dac26", + "c51b7de9a3c9fde0efe6f5d0a1d76a4d9221", + "c51b7de9a3c9fde0eff7f7f7e6f5d0a1d76a4d9221", + "c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221", + "c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221", + "8e0152c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221276419", + "8e0152c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221276419" +).map(colors); + +var PiYG = ramp(scheme$2); + +var scheme$3 = new Array(3).concat( + "998ec3f7f7f7f1a340", + "5e3c99b2abd2fdb863e66101", + "5e3c99b2abd2f7f7f7fdb863e66101", + "542788998ec3d8daebfee0b6f1a340b35806", + "542788998ec3d8daebf7f7f7fee0b6f1a340b35806", + "5427888073acb2abd2d8daebfee0b6fdb863e08214b35806", + "5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b35806", + "2d004b5427888073acb2abd2d8daebfee0b6fdb863e08214b358067f3b08", + "2d004b5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b358067f3b08" +).map(colors); + +var PuOr = ramp(scheme$3); + +var scheme$4 = new Array(3).concat( + "ef8a62f7f7f767a9cf", + "ca0020f4a58292c5de0571b0", + "ca0020f4a582f7f7f792c5de0571b0", + "b2182bef8a62fddbc7d1e5f067a9cf2166ac", + "b2182bef8a62fddbc7f7f7f7d1e5f067a9cf2166ac", + "b2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac", + "b2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac", + "67001fb2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac053061", + "67001fb2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac053061" +).map(colors); + +var RdBu = ramp(scheme$4); + +var scheme$5 = new Array(3).concat( + "ef8a62ffffff999999", + "ca0020f4a582bababa404040", + "ca0020f4a582ffffffbababa404040", + "b2182bef8a62fddbc7e0e0e09999994d4d4d", + "b2182bef8a62fddbc7ffffffe0e0e09999994d4d4d", + "b2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d", + "b2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d", + "67001fb2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d1a1a1a", + "67001fb2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d1a1a1a" +).map(colors); + +var RdGy = ramp(scheme$5); + +var scheme$6 = new Array(3).concat( + "fc8d59ffffbf91bfdb", + "d7191cfdae61abd9e92c7bb6", + "d7191cfdae61ffffbfabd9e92c7bb6", + "d73027fc8d59fee090e0f3f891bfdb4575b4", + "d73027fc8d59fee090ffffbfe0f3f891bfdb4575b4", + "d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4", + "d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4", + "a50026d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4313695", + "a50026d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4313695" +).map(colors); + +var RdYlBu = ramp(scheme$6); + +var scheme$7 = new Array(3).concat( + "fc8d59ffffbf91cf60", + "d7191cfdae61a6d96a1a9641", + "d7191cfdae61ffffbfa6d96a1a9641", + "d73027fc8d59fee08bd9ef8b91cf601a9850", + "d73027fc8d59fee08bffffbfd9ef8b91cf601a9850", + "d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850", + "d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850", + "a50026d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850006837", + "a50026d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850006837" +).map(colors); + +var RdYlGn = ramp(scheme$7); + +var scheme$8 = new Array(3).concat( + "fc8d59ffffbf99d594", + "d7191cfdae61abdda42b83ba", + "d7191cfdae61ffffbfabdda42b83ba", + "d53e4ffc8d59fee08be6f59899d5943288bd", + "d53e4ffc8d59fee08bffffbfe6f59899d5943288bd", + "d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd", + "d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd", + "9e0142d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd5e4fa2", + "9e0142d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd5e4fa2" +).map(colors); + +var Spectral = ramp(scheme$8); + +var scheme$9 = new Array(3).concat( + "e5f5f999d8c92ca25f", + "edf8fbb2e2e266c2a4238b45", + "edf8fbb2e2e266c2a42ca25f006d2c", + "edf8fbccece699d8c966c2a42ca25f006d2c", + "edf8fbccece699d8c966c2a441ae76238b45005824", + "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45005824", + "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45006d2c00441b" +).map(colors); + +var BuGn = ramp(scheme$9); + +var scheme$10 = new Array(3).concat( + "e0ecf49ebcda8856a7", + "edf8fbb3cde38c96c688419d", + "edf8fbb3cde38c96c68856a7810f7c", + "edf8fbbfd3e69ebcda8c96c68856a7810f7c", + "edf8fbbfd3e69ebcda8c96c68c6bb188419d6e016b", + "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d6e016b", + "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d810f7c4d004b" +).map(colors); + +var BuPu = ramp(scheme$10); + +var scheme$11 = new Array(3).concat( + "e0f3dba8ddb543a2ca", + "f0f9e8bae4bc7bccc42b8cbe", + "f0f9e8bae4bc7bccc443a2ca0868ac", + "f0f9e8ccebc5a8ddb57bccc443a2ca0868ac", + "f0f9e8ccebc5a8ddb57bccc44eb3d32b8cbe08589e", + "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe08589e", + "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe0868ac084081" +).map(colors); + +var GnBu = ramp(scheme$11); + +var scheme$12 = new Array(3).concat( + "fee8c8fdbb84e34a33", + "fef0d9fdcc8afc8d59d7301f", + "fef0d9fdcc8afc8d59e34a33b30000", + "fef0d9fdd49efdbb84fc8d59e34a33b30000", + "fef0d9fdd49efdbb84fc8d59ef6548d7301f990000", + "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301f990000", + "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301fb300007f0000" +).map(colors); + +var OrRd = ramp(scheme$12); + +var scheme$13 = new Array(3).concat( + "ece2f0a6bddb1c9099", + "f6eff7bdc9e167a9cf02818a", + "f6eff7bdc9e167a9cf1c9099016c59", + "f6eff7d0d1e6a6bddb67a9cf1c9099016c59", + "f6eff7d0d1e6a6bddb67a9cf3690c002818a016450", + "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016450", + "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016c59014636" +).map(colors); + +var PuBuGn = ramp(scheme$13); + +var scheme$14 = new Array(3).concat( + "ece7f2a6bddb2b8cbe", + "f1eef6bdc9e174a9cf0570b0", + "f1eef6bdc9e174a9cf2b8cbe045a8d", + "f1eef6d0d1e6a6bddb74a9cf2b8cbe045a8d", + "f1eef6d0d1e6a6bddb74a9cf3690c00570b0034e7b", + "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0034e7b", + "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0045a8d023858" +).map(colors); + +var PuBu = ramp(scheme$14); + +var scheme$15 = new Array(3).concat( + "e7e1efc994c7dd1c77", + "f1eef6d7b5d8df65b0ce1256", + "f1eef6d7b5d8df65b0dd1c77980043", + "f1eef6d4b9dac994c7df65b0dd1c77980043", + "f1eef6d4b9dac994c7df65b0e7298ace125691003f", + "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125691003f", + "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125698004367001f" +).map(colors); + +var PuRd = ramp(scheme$15); + +var scheme$16 = new Array(3).concat( + "fde0ddfa9fb5c51b8a", + "feebe2fbb4b9f768a1ae017e", + "feebe2fbb4b9f768a1c51b8a7a0177", + "feebe2fcc5c0fa9fb5f768a1c51b8a7a0177", + "feebe2fcc5c0fa9fb5f768a1dd3497ae017e7a0177", + "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a0177", + "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a017749006a" +).map(colors); + +var RdPu = ramp(scheme$16); + +var scheme$17 = new Array(3).concat( + "edf8b17fcdbb2c7fb8", + "ffffcca1dab441b6c4225ea8", + "ffffcca1dab441b6c42c7fb8253494", + "ffffccc7e9b47fcdbb41b6c42c7fb8253494", + "ffffccc7e9b47fcdbb41b6c41d91c0225ea80c2c84", + "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea80c2c84", + "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea8253494081d58" +).map(colors); + +var YlGnBu = ramp(scheme$17); + +var scheme$18 = new Array(3).concat( + "f7fcb9addd8e31a354", + "ffffccc2e69978c679238443", + "ffffccc2e69978c67931a354006837", + "ffffccd9f0a3addd8e78c67931a354006837", + "ffffccd9f0a3addd8e78c67941ab5d238443005a32", + "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443005a32", + "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443006837004529" +).map(colors); + +var YlGn = ramp(scheme$18); + +var scheme$19 = new Array(3).concat( + "fff7bcfec44fd95f0e", + "ffffd4fed98efe9929cc4c02", + "ffffd4fed98efe9929d95f0e993404", + "ffffd4fee391fec44ffe9929d95f0e993404", + "ffffd4fee391fec44ffe9929ec7014cc4c028c2d04", + "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c028c2d04", + "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c02993404662506" +).map(colors); + +var YlOrBr = ramp(scheme$19); + +var scheme$20 = new Array(3).concat( + "ffeda0feb24cf03b20", + "ffffb2fecc5cfd8d3ce31a1c", + "ffffb2fecc5cfd8d3cf03b20bd0026", + "ffffb2fed976feb24cfd8d3cf03b20bd0026", + "ffffb2fed976feb24cfd8d3cfc4e2ae31a1cb10026", + "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cb10026", + "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cbd0026800026" +).map(colors); + +var YlOrRd = ramp(scheme$20); + +var scheme$21 = new Array(3).concat( + "deebf79ecae13182bd", + "eff3ffbdd7e76baed62171b5", + "eff3ffbdd7e76baed63182bd08519c", + "eff3ffc6dbef9ecae16baed63182bd08519c", + "eff3ffc6dbef9ecae16baed64292c62171b5084594", + "f7fbffdeebf7c6dbef9ecae16baed64292c62171b5084594", + "f7fbffdeebf7c6dbef9ecae16baed64292c62171b508519c08306b" +).map(colors); + +var Blues = ramp(scheme$21); + +var scheme$22 = new Array(3).concat( + "e5f5e0a1d99b31a354", + "edf8e9bae4b374c476238b45", + "edf8e9bae4b374c47631a354006d2c", + "edf8e9c7e9c0a1d99b74c47631a354006d2c", + "edf8e9c7e9c0a1d99b74c47641ab5d238b45005a32", + "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45005a32", + "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45006d2c00441b" +).map(colors); + +var Greens = ramp(scheme$22); + +var scheme$23 = new Array(3).concat( + "f0f0f0bdbdbd636363", + "f7f7f7cccccc969696525252", + "f7f7f7cccccc969696636363252525", + "f7f7f7d9d9d9bdbdbd969696636363252525", + "f7f7f7d9d9d9bdbdbd969696737373525252252525", + "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525", + "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525000000" +).map(colors); + +var Greys = ramp(scheme$23); + +var scheme$24 = new Array(3).concat( + "efedf5bcbddc756bb1", + "f2f0f7cbc9e29e9ac86a51a3", + "f2f0f7cbc9e29e9ac8756bb154278f", + "f2f0f7dadaebbcbddc9e9ac8756bb154278f", + "f2f0f7dadaebbcbddc9e9ac8807dba6a51a34a1486", + "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a34a1486", + "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a354278f3f007d" +).map(colors); + +var Purples = ramp(scheme$24); + +var scheme$25 = new Array(3).concat( + "fee0d2fc9272de2d26", + "fee5d9fcae91fb6a4acb181d", + "fee5d9fcae91fb6a4ade2d26a50f15", + "fee5d9fcbba1fc9272fb6a4ade2d26a50f15", + "fee5d9fcbba1fc9272fb6a4aef3b2ccb181d99000d", + "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181d99000d", + "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181da50f1567000d" +).map(colors); + +var Reds = ramp(scheme$25); + +var scheme$26 = new Array(3).concat( + "fee6cefdae6be6550d", + "feeddefdbe85fd8d3cd94701", + "feeddefdbe85fd8d3ce6550da63603", + "feeddefdd0a2fdae6bfd8d3ce6550da63603", + "feeddefdd0a2fdae6bfd8d3cf16913d948018c2d04", + "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d948018c2d04", + "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d94801a636037f2704" +).map(colors); + +var Oranges = ramp(scheme$26); + +var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); + +var warm = cubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); + +var cool = cubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); + +var c = cubehelix(); + +function rainbow(t) { + if (t < 0 || t > 1) t -= Math.floor(t); + var ts = Math.abs(t - 0.5); + c.h = 360 * t - 100; + c.s = 1.5 - 1.5 * ts; + c.l = 0.8 - 0.9 * ts; + return c + ""; +} + +var c$1 = rgb(), + pi_1_3 = Math.PI / 3, + pi_2_3 = Math.PI * 2 / 3; + +function sinebow(t) { + var x; + t = (0.5 - t) * Math.PI; + c$1.r = 255 * (x = Math.sin(t)) * x; + c$1.g = 255 * (x = Math.sin(t + pi_1_3)) * x; + c$1.b = 255 * (x = Math.sin(t + pi_2_3)) * x; + return c$1 + ""; +} + +function ramp$1(range) { + var n = range.length; + return function(t) { + return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; + }; +} + +var viridis = ramp$1(colors("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")); + +var magma = ramp$1(colors("00000401000501010601010802010902020b02020d03030f03031204041405041606051806051a07061c08071e0907200a08220b09240c09260d0a290e0b2b100b2d110c2f120d31130d34140e36150e38160f3b180f3d19103f1a10421c10441d11471e114920114b21114e22115024125325125527125829115a2a115c2c115f2d11612f116331116533106734106936106b38106c390f6e3b0f703d0f713f0f72400f74420f75440f764510774710784910784a10794c117a4e117b4f127b51127c52137c54137d56147d57157e59157e5a167e5c167f5d177f5f187f601880621980641a80651a80671b80681c816a1c816b1d816d1d816e1e81701f81721f817320817521817621817822817922827b23827c23827e24828025828125818326818426818627818827818928818b29818c29818e2a81902a81912b81932b80942c80962c80982d80992d809b2e7f9c2e7f9e2f7fa02f7fa1307ea3307ea5317ea6317da8327daa337dab337cad347cae347bb0357bb2357bb3367ab5367ab73779b83779ba3878bc3978bd3977bf3a77c03a76c23b75c43c75c53c74c73d73c83e73ca3e72cc3f71cd4071cf4070d0416fd2426fd3436ed5446dd6456cd8456cd9466bdb476adc4869de4968df4a68e04c67e24d66e34e65e44f64e55064e75263e85362e95462ea5661eb5760ec5860ed5a5fee5b5eef5d5ef05f5ef1605df2625df2645cf3655cf4675cf4695cf56b5cf66c5cf66e5cf7705cf7725cf8745cf8765cf9785df9795df97b5dfa7d5efa7f5efa815ffb835ffb8560fb8761fc8961fc8a62fc8c63fc8e64fc9065fd9266fd9467fd9668fd9869fd9a6afd9b6bfe9d6cfe9f6dfea16efea36ffea571fea772fea973feaa74feac76feae77feb078feb27afeb47bfeb67cfeb77efeb97ffebb81febd82febf84fec185fec287fec488fec68afec88cfeca8dfecc8ffecd90fecf92fed194fed395fed597fed799fed89afdda9cfddc9efddea0fde0a1fde2a3fde3a5fde5a7fde7a9fde9aafdebacfcecaefceeb0fcf0b2fcf2b4fcf4b6fcf6b8fcf7b9fcf9bbfcfbbdfcfdbf")); + +var inferno = ramp$1(colors("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")); + +var plasma = ramp$1(colors("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")); + +function constant$11(x) { return function constant() { return x; }; @@ -13527,7 +14094,7 @@ function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { function arc() { var innerRadius = arcInnerRadius, outerRadius = arcOuterRadius, - cornerRadius = constant$10(0), + cornerRadius = constant$11(0), padRadius = null, startAngle = arcStartAngle, endAngle = arcEndAngle, @@ -13676,31 +14243,31 @@ function arc() { }; arc.innerRadius = function(_) { - return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$10(+_), arc) : innerRadius; + return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$11(+_), arc) : innerRadius; }; arc.outerRadius = function(_) { - return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$10(+_), arc) : outerRadius; + return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$11(+_), arc) : outerRadius; }; arc.cornerRadius = function(_) { - return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$10(+_), arc) : cornerRadius; + return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$11(+_), arc) : cornerRadius; }; arc.padRadius = function(_) { - return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$10(+_), arc) : padRadius; + return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$11(+_), arc) : padRadius; }; arc.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$10(+_), arc) : startAngle; + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$11(+_), arc) : startAngle; }; arc.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$10(+_), arc) : endAngle; + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$11(+_), arc) : endAngle; }; arc.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$10(+_), arc) : padAngle; + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$11(+_), arc) : padAngle; }; arc.context = function(_) { @@ -13753,7 +14320,7 @@ function y$3(p) { function line() { var x$$1 = x$3, y$$1 = y$3, - defined = constant$10(true), + defined = constant$11(true), context = null, curve = curveLinear, output = null; @@ -13779,15 +14346,15 @@ function line() { } line.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : x$$1; + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$11(+_), line) : x$$1; }; line.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : y$$1; + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$11(+_), line) : y$$1; }; line.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$10(!!_), line) : defined; + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$11(!!_), line) : defined; }; line.curve = function(_) { @@ -13801,12 +14368,12 @@ function line() { return line; } -function area$2() { +function area$3() { var x0 = x$3, x1 = null, - y0 = constant$10(0), + y0 = constant$11(0), y1 = y$3, - defined = constant$10(true), + defined = constant$11(true), context = null, curve = curveLinear, output = null; @@ -13854,27 +14421,27 @@ function area$2() { } area.x = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$10(+_), x1 = null, area) : x0; + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$11(+_), x1 = null, area) : x0; }; area.x0 = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$10(+_), area) : x0; + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$11(+_), area) : x0; }; area.x1 = function(_) { - return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$10(+_), area) : x1; + return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$11(+_), area) : x1; }; area.y = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$10(+_), y1 = null, area) : y0; + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$11(+_), y1 = null, area) : y0; }; area.y0 = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$10(+_), area) : y0; + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$11(+_), area) : y0; }; area.y1 = function(_) { - return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$10(+_), area) : y1; + return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$11(+_), area) : y1; }; area.lineX0 = @@ -13891,7 +14458,7 @@ function area$2() { }; area.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$10(!!_), area) : defined; + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$11(!!_), area) : defined; }; area.curve = function(_) { @@ -13917,9 +14484,9 @@ function pie() { var value = identity$7, sortValues = descending$1, sort = null, - startAngle = constant$10(0), - endAngle = constant$10(tau$4), - padAngle = constant$10(0); + startAngle = constant$11(0), + endAngle = constant$11(tau$4), + padAngle = constant$11(0); function pie(data) { var i, @@ -13962,7 +14529,7 @@ function pie() { } pie.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$10(+_), pie) : value; + return arguments.length ? (value = typeof _ === "function" ? _ : constant$11(+_), pie) : value; }; pie.sortValues = function(_) { @@ -13974,15 +14541,15 @@ function pie() { }; pie.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$10(+_), pie) : startAngle; + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$11(+_), pie) : startAngle; }; pie.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$10(+_), pie) : endAngle; + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$11(+_), pie) : endAngle; }; pie.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$10(+_), pie) : padAngle; + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$11(+_), pie) : padAngle; }; return pie; @@ -14041,7 +14608,7 @@ function lineRadial$1() { } function areaRadial() { - var a = area$2().curve(curveRadialLinear), + var a = area$3().curve(curveRadialLinear), c = a.curve, x0 = a.lineX0, x1 = a.lineX1, @@ -14103,11 +14670,11 @@ function link$2(curve) { }; link.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : x$$1; + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$11(+_), link) : x$$1; }; link.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : y$$1; + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$11(+_), link) : y$$1; }; link.context = function(_) { @@ -14178,8 +14745,8 @@ var cross$2 = { } }; -var tan30 = Math.sqrt(1 / 3); -var tan30_2 = tan30 * 2; +var tan30 = Math.sqrt(1 / 3), + tan30_2 = tan30 * 2; var diamond = { draw: function(context, size) { @@ -14193,10 +14760,10 @@ var diamond = { } }; -var ka = 0.89081309152928522810; -var kr = Math.sin(pi$4 / 10) / Math.sin(7 * pi$4 / 10); -var kx = Math.sin(tau$4 / 10) * kr; -var ky = -Math.cos(tau$4 / 10) * kr; +var ka = 0.89081309152928522810, + kr = Math.sin(pi$4 / 10) / Math.sin(7 * pi$4 / 10), + kx = Math.sin(tau$4 / 10) * kr, + ky = -Math.cos(tau$4 / 10) * kr; var star = { draw: function(context, size) { @@ -14236,10 +14803,10 @@ var triangle = { } }; -var c = -0.5; -var s = Math.sqrt(3) / 2; -var k = 1 / Math.sqrt(12); -var a = (k / 2 + 1) * 3; +var c$2 = -0.5, + s = Math.sqrt(3) / 2, + k = 1 / Math.sqrt(12), + a = (k / 2 + 1) * 3; var wye = { draw: function(context, size) { @@ -14253,12 +14820,12 @@ var wye = { context.moveTo(x0, y0); context.lineTo(x1, y1); context.lineTo(x2, y2); - context.lineTo(c * x0 - s * y0, s * x0 + c * y0); - context.lineTo(c * x1 - s * y1, s * x1 + c * y1); - context.lineTo(c * x2 - s * y2, s * x2 + c * y2); - context.lineTo(c * x0 + s * y0, c * y0 - s * x0); - context.lineTo(c * x1 + s * y1, c * y1 - s * x1); - context.lineTo(c * x2 + s * y2, c * y2 - s * x2); + context.lineTo(c$2 * x0 - s * y0, s * x0 + c$2 * y0); + context.lineTo(c$2 * x1 - s * y1, s * x1 + c$2 * y1); + context.lineTo(c$2 * x2 - s * y2, s * x2 + c$2 * y2); + context.lineTo(c$2 * x0 + s * y0, c$2 * y0 - s * x0); + context.lineTo(c$2 * x1 + s * y1, c$2 * y1 - s * x1); + context.lineTo(c$2 * x2 + s * y2, c$2 * y2 - s * x2); context.closePath(); } }; @@ -14274,8 +14841,8 @@ var symbols = [ ]; function symbol() { - var type = constant$10(circle$2), - size = constant$10(64), + var type = constant$11(circle$2), + size = constant$11(64), context = null; function symbol() { @@ -14286,11 +14853,11 @@ function symbol() { } symbol.type = function(_) { - return arguments.length ? (type = typeof _ === "function" ? _ : constant$10(_), symbol) : type; + return arguments.length ? (type = typeof _ === "function" ? _ : constant$11(_), symbol) : type; }; symbol.size = function(_) { - return arguments.length ? (size = typeof _ === "function" ? _ : constant$10(+_), symbol) : size; + return arguments.length ? (size = typeof _ === "function" ? _ : constant$11(+_), symbol) : size; }; symbol.context = function(_) { @@ -14300,7 +14867,7 @@ function symbol() { return symbol; } -function noop$2() {} +function noop$3() {} function point$2(that, x, y) { that._context.bezierCurveTo( @@ -14359,8 +14926,8 @@ function BasisClosed(context) { } BasisClosed.prototype = { - areaStart: noop$2, - areaEnd: noop$2, + areaStart: noop$3, + areaEnd: noop$3, lineStart: function() { this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; @@ -14565,8 +15132,8 @@ function CardinalClosed(context, tension) { } CardinalClosed.prototype = { - areaStart: noop$2, - areaEnd: noop$2, + areaStart: noop$3, + areaEnd: noop$3, lineStart: function() { this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; @@ -14758,8 +15325,8 @@ function CatmullRomClosed(context, alpha) { } CatmullRomClosed.prototype = { - areaStart: noop$2, - areaEnd: noop$2, + areaStart: noop$3, + areaEnd: noop$3, lineStart: function() { this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; @@ -14888,8 +15455,8 @@ function LinearClosed(context) { } LinearClosed.prototype = { - areaStart: noop$2, - areaEnd: noop$2, + areaStart: noop$3, + areaEnd: noop$3, lineStart: function() { this._point = 0; }, @@ -15153,7 +15720,7 @@ function stackValue(d, key) { } function stack() { - var keys = constant$10([]), + var keys = constant$11([]), order = none$2, offset = none$1, value = stackValue; @@ -15183,15 +15750,15 @@ function stack() { } stack.keys = function(_) { - return arguments.length ? (keys = typeof _ === "function" ? _ : constant$10(slice$6.call(_)), stack) : keys; + return arguments.length ? (keys = typeof _ === "function" ? _ : constant$11(slice$6.call(_)), stack) : keys; }; stack.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$10(+_), stack) : value; + return arguments.length ? (value = typeof _ === "function" ? _ : constant$11(+_), stack) : value; }; stack.order = function(_) { - return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$10(slice$6.call(_)), stack) : order; + return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$11(slice$6.call(_)), stack) : order; }; stack.offset = function(_) { @@ -15257,7 +15824,7 @@ function wiggle(series, order) { none$1(series, order); } -function ascending$2(series) { +function ascending$3(series) { var sums = series.map(sum$2); return none$2(series).sort(function(a, b) { return sums[a] - sums[b]; }); } @@ -15269,7 +15836,7 @@ function sum$2(series) { } function descending$2(series) { - return ascending$2(series).reverse(); + return ascending$3(series).reverse(); } function insideOut(series) { @@ -15301,7 +15868,7 @@ function reverse(series) { return none$2(series).reverse(); } -function constant$11(x) { +function constant$12(x) { return function() { return x; }; @@ -16270,11 +16837,11 @@ function voronoi() { }; voronoi.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : x$$1; + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$12(+_), voronoi) : x$$1; }; voronoi.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : y$$1; + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$12(+_), voronoi) : y$$1; }; voronoi.extent = function(_) { @@ -16288,7 +16855,7 @@ function voronoi() { return voronoi; } -function constant$12(x) { +function constant$13(x) { return function() { return x; }; @@ -16390,12 +16957,12 @@ function defaultTouchable$1() { return "ontouchstart" in this; } -function defaultConstrain(transform$$1, extent, translateExtent) { - var dx0 = transform$$1.invertX(extent[0][0]) - translateExtent[0][0], - dx1 = transform$$1.invertX(extent[1][0]) - translateExtent[1][0], - dy0 = transform$$1.invertY(extent[0][1]) - translateExtent[0][1], - dy1 = transform$$1.invertY(extent[1][1]) - translateExtent[1][1]; - return transform$$1.translate( +function defaultConstrain(transform, extent, translateExtent) { + var dx0 = transform.invertX(extent[0][0]) - translateExtent[0][0], + dx1 = transform.invertX(extent[1][0]) - translateExtent[1][0], + dy0 = transform.invertY(extent[0][1]) - translateExtent[0][1], + dy1 = transform.invertY(extent[1][1]) - translateExtent[1][1]; + return transform.translate( dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1), dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1) ); @@ -16419,8 +16986,8 @@ function zoom() { wheelDelay = 150, clickDistance2 = 0; - function zoom(selection) { - selection + function zoom(selection$$1) { + selection$$1 .property("__zoom", defaultTransform) .on("wheel.zoom", wheeled) .on("mousedown.zoom", mousedowned) @@ -16433,31 +17000,31 @@ function zoom() { .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); } - zoom.transform = function(collection, transform$$1) { - var selection = collection.selection ? collection.selection() : collection; - selection.property("__zoom", defaultTransform); - if (collection !== selection) { - schedule(collection, transform$$1); + zoom.transform = function(collection, transform) { + var selection$$1 = collection.selection ? collection.selection() : collection; + selection$$1.property("__zoom", defaultTransform); + if (collection !== selection$$1) { + schedule(collection, transform); } else { - selection.interrupt().each(function() { + selection$$1.interrupt().each(function() { gesture(this, arguments) .start() - .zoom(null, typeof transform$$1 === "function" ? transform$$1.apply(this, arguments) : transform$$1) + .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) .end(); }); } }; - zoom.scaleBy = function(selection, k) { - zoom.scaleTo(selection, function() { + zoom.scaleBy = function(selection$$1, k) { + zoom.scaleTo(selection$$1, function() { var k0 = this.__zoom.k, k1 = typeof k === "function" ? k.apply(this, arguments) : k; return k0 * k1; }); }; - zoom.scaleTo = function(selection, k) { - zoom.transform(selection, function() { + zoom.scaleTo = function(selection$$1, k) { + zoom.transform(selection$$1, function() { var e = extent.apply(this, arguments), t0 = this.__zoom, p0 = centroid(e), @@ -16467,8 +17034,8 @@ function zoom() { }); }; - zoom.translateBy = function(selection, x, y) { - zoom.transform(selection, function() { + zoom.translateBy = function(selection$$1, x, y) { + zoom.transform(selection$$1, function() { return constrain(this.__zoom.translate( typeof x === "function" ? x.apply(this, arguments) : x, typeof y === "function" ? y.apply(this, arguments) : y @@ -16476,8 +17043,8 @@ function zoom() { }); }; - zoom.translateTo = function(selection, x, y) { - zoom.transform(selection, function() { + zoom.translateTo = function(selection$$1, x, y) { + zoom.transform(selection$$1, function() { var e = extent.apply(this, arguments), t = this.__zoom, p = centroid(e); @@ -16488,22 +17055,22 @@ function zoom() { }); }; - function scale(transform$$1, k) { + function scale(transform, k) { k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], k)); - return k === transform$$1.k ? transform$$1 : new Transform(k, transform$$1.x, transform$$1.y); + return k === transform.k ? transform : new Transform(k, transform.x, transform.y); } - function translate(transform$$1, p0, p1) { - var x = p0[0] - p1[0] * transform$$1.k, y = p0[1] - p1[1] * transform$$1.k; - return x === transform$$1.x && y === transform$$1.y ? transform$$1 : new Transform(transform$$1.k, x, y); + function translate(transform, p0, p1) { + var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k; + return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y); } function centroid(extent) { return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; } - function schedule(transition, transform$$1, center) { - transition + function schedule(transition$$1, transform, center) { + transition$$1 .on("start.zoom", function() { gesture(this, arguments).start(); }) .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) .tween("zoom", function() { @@ -16514,7 +17081,7 @@ function zoom() { p = center || centroid(e), w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), a = that.__zoom, - b = typeof transform$$1 === "function" ? transform$$1.apply(that, args) : transform$$1, + b = typeof transform === "function" ? transform.apply(that, args) : transform, i = interpolate(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); return function(t) { if (t === 1) t = b; // Avoid rounding error on end. @@ -16549,11 +17116,11 @@ function zoom() { } return this; }, - zoom: function(key, transform$$1) { - if (this.mouse && key !== "mouse") this.mouse[1] = transform$$1.invert(this.mouse[0]); - if (this.touch0 && key !== "touch") this.touch0[1] = transform$$1.invert(this.touch0[0]); - if (this.touch1 && key !== "touch") this.touch1[1] = transform$$1.invert(this.touch1[0]); - this.that.__zoom = transform$$1; + zoom: function(key, transform) { + if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]); + if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); + if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); + this.that.__zoom = transform; this.emit("zoom"); return this; }, @@ -16653,13 +17220,13 @@ function zoom() { function touchstarted() { if (!filter.apply(this, arguments)) return; var g = gesture(this, arguments), - touches = exports.event.changedTouches, + touches$$1 = exports.event.changedTouches, started, - n = touches.length, i, t, p; + n = touches$$1.length, i, t, p; nopropagation$2(); for (i = 0; i < n; ++i) { - t = touches[i], p = touch(this, touches, t.identifier); + t = touches$$1[i], p = touch(this, touches$$1, t.identifier); p = [p, this.__zoom.invert(p), t.identifier]; if (!g.touch0) g.touch0 = p, started = true; else if (!g.touch1) g.touch1 = p; @@ -16685,13 +17252,13 @@ function zoom() { function touchmoved() { var g = gesture(this, arguments), - touches = exports.event.changedTouches, - n = touches.length, i, t, p, l; + touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, t, p, l; noevent$2(); if (touchstarting) touchstarting = clearTimeout(touchstarting); for (i = 0; i < n; ++i) { - t = touches[i], p = touch(this, touches, t.identifier); + t = touches$$1[i], p = touch(this, touches$$1, t.identifier); if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; } @@ -16712,14 +17279,14 @@ function zoom() { function touchended() { var g = gesture(this, arguments), - touches = exports.event.changedTouches, - n = touches.length, i, t; + touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, t; nopropagation$2(); if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, touchDelay); for (i = 0; i < n; ++i) { - t = touches[i]; + t = touches$$1[i]; if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; } @@ -16729,19 +17296,19 @@ function zoom() { } zoom.wheelDelta = function(_) { - return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant$12(+_), zoom) : wheelDelta; + return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant$13(+_), zoom) : wheelDelta; }; zoom.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$12(!!_), zoom) : filter; + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$13(!!_), zoom) : filter; }; zoom.touchable = function(_) { - return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$12(!!_), zoom) : touchable; + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$13(!!_), zoom) : touchable; }; zoom.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$12([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$13([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; }; zoom.scaleExtent = function(_) { @@ -16789,7 +17356,7 @@ exports.extent = extent; exports.histogram = histogram; exports.thresholdFreedmanDiaconis = freedmanDiaconis; exports.thresholdScott = scott; -exports.thresholdSturges = sturges; +exports.thresholdSturges = thresholdSturges; exports.max = max; exports.mean = mean; exports.median = median; @@ -16829,12 +17396,16 @@ exports.rgb = rgb; exports.hsl = hsl; exports.lab = lab; exports.hcl = hcl; +exports.lch = lch; +exports.gray = gray; exports.cubehelix = cubehelix; +exports.contours = contours; +exports.contourDensity = density; exports.dispatch = dispatch; exports.drag = drag; exports.dragDisable = dragDisable; exports.dragEnable = yesdrag; -exports.dsvFormat = dsv; +exports.dsvFormat = dsvFormat; exports.csvParse = csvParse; exports.csvParseRows = csvParseRows; exports.csvFormat = csvFormat; @@ -16880,6 +17451,17 @@ exports.easeElastic = elasticOut; exports.easeElasticIn = elasticIn; exports.easeElasticOut = elasticOut; exports.easeElasticInOut = elasticInOut; +exports.blob = blob; +exports.buffer = buffer; +exports.dsv = dsv; +exports.csv = csv$1; +exports.tsv = tsv$1; +exports.image = image; +exports.json = json; +exports.text = text; +exports.xml = xml; +exports.html = html; +exports.svg = svg; exports.forceCenter = center$1; exports.forceCollide = collide; exports.forceLink = link; @@ -16894,7 +17476,7 @@ exports.formatSpecifier = formatSpecifier; exports.precisionFixed = precisionFixed; exports.precisionPrefix = precisionPrefix; exports.precisionRound = precisionRound; -exports.geoArea = area; +exports.geoArea = area$1; exports.geoBounds = bounds; exports.geoCentroid = centroid; exports.geoCircle = circle; @@ -16902,7 +17484,7 @@ exports.geoClipAntimeridian = clipAntimeridian; exports.geoClipCircle = clipCircle; exports.geoClipExtent = extent$1; exports.geoClipRectangle = clipRectangle; -exports.geoContains = contains; +exports.geoContains = contains$1; exports.geoDistance = distance; exports.geoGraticule = graticule; exports.geoGraticule10 = graticule10; @@ -16978,28 +17560,21 @@ exports.interpolateHcl = hcl$2; exports.interpolateHclLong = hclLong; exports.interpolateCubehelix = cubehelix$2; exports.interpolateCubehelixLong = cubehelixLong; +exports.piecewise = piecewise; exports.quantize = quantize; exports.path = path; -exports.polygonArea = area$1; +exports.polygonArea = area$2; exports.polygonCentroid = centroid$1; exports.polygonHull = hull; -exports.polygonContains = contains$1; +exports.polygonContains = contains$2; exports.polygonLength = length$2; exports.quadtree = quadtree; -exports.queue = queue; exports.randomUniform = uniform; exports.randomNormal = normal; exports.randomLogNormal = logNormal; exports.randomBates = bates; exports.randomIrwinHall = irwinHall; exports.randomExponential = exponential$1; -exports.request = request; -exports.html = html; -exports.json = json; -exports.text = text; -exports.xml = xml; -exports.csv = csv$1; -exports.tsv = tsv$1; exports.scaleBand = band; exports.scalePoint = point$1; exports.scaleIdentity = identity$6; @@ -17014,22 +17589,82 @@ exports.scaleQuantize = quantize$1; exports.scaleThreshold = threshold$1; exports.scaleTime = time; exports.scaleUtc = utcTime; +exports.scaleSequential = sequential; exports.schemeCategory10 = category10; -exports.schemeCategory20b = category20b; -exports.schemeCategory20c = category20c; -exports.schemeCategory20 = category20; +exports.schemeAccent = Accent; +exports.schemeDark2 = Dark2; +exports.schemePaired = Paired; +exports.schemePastel1 = Pastel1; +exports.schemePastel2 = Pastel2; +exports.schemeSet1 = Set1; +exports.schemeSet2 = Set2; +exports.schemeSet3 = Set3; +exports.interpolateBrBG = BrBG; +exports.schemeBrBG = scheme; +exports.interpolatePRGn = PRGn; +exports.schemePRGn = scheme$1; +exports.interpolatePiYG = PiYG; +exports.schemePiYG = scheme$2; +exports.interpolatePuOr = PuOr; +exports.schemePuOr = scheme$3; +exports.interpolateRdBu = RdBu; +exports.schemeRdBu = scheme$4; +exports.interpolateRdGy = RdGy; +exports.schemeRdGy = scheme$5; +exports.interpolateRdYlBu = RdYlBu; +exports.schemeRdYlBu = scheme$6; +exports.interpolateRdYlGn = RdYlGn; +exports.schemeRdYlGn = scheme$7; +exports.interpolateSpectral = Spectral; +exports.schemeSpectral = scheme$8; +exports.interpolateBuGn = BuGn; +exports.schemeBuGn = scheme$9; +exports.interpolateBuPu = BuPu; +exports.schemeBuPu = scheme$10; +exports.interpolateGnBu = GnBu; +exports.schemeGnBu = scheme$11; +exports.interpolateOrRd = OrRd; +exports.schemeOrRd = scheme$12; +exports.interpolatePuBuGn = PuBuGn; +exports.schemePuBuGn = scheme$13; +exports.interpolatePuBu = PuBu; +exports.schemePuBu = scheme$14; +exports.interpolatePuRd = PuRd; +exports.schemePuRd = scheme$15; +exports.interpolateRdPu = RdPu; +exports.schemeRdPu = scheme$16; +exports.interpolateYlGnBu = YlGnBu; +exports.schemeYlGnBu = scheme$17; +exports.interpolateYlGn = YlGn; +exports.schemeYlGn = scheme$18; +exports.interpolateYlOrBr = YlOrBr; +exports.schemeYlOrBr = scheme$19; +exports.interpolateYlOrRd = YlOrRd; +exports.schemeYlOrRd = scheme$20; +exports.interpolateBlues = Blues; +exports.schemeBlues = scheme$21; +exports.interpolateGreens = Greens; +exports.schemeGreens = scheme$22; +exports.interpolateGreys = Greys; +exports.schemeGreys = scheme$23; +exports.interpolatePurples = Purples; +exports.schemePurples = scheme$24; +exports.interpolateReds = Reds; +exports.schemeReds = scheme$25; +exports.interpolateOranges = Oranges; +exports.schemeOranges = scheme$26; exports.interpolateCubehelixDefault = cubehelix$3; -exports.interpolateRainbow = rainbow$1; +exports.interpolateRainbow = rainbow; exports.interpolateWarm = warm; exports.interpolateCool = cool; +exports.interpolateSinebow = sinebow; exports.interpolateViridis = viridis; exports.interpolateMagma = magma; exports.interpolateInferno = inferno; exports.interpolatePlasma = plasma; -exports.scaleSequential = sequential; exports.create = create; exports.creator = creator; -exports.local = local$1; +exports.local = local; exports.matcher = matcher$1; exports.mouse = mouse; exports.namespace = namespace; @@ -17046,7 +17681,7 @@ exports.touches = touches; exports.window = defaultView; exports.customEvent = customEvent; exports.arc = arc; -exports.area = area$2; +exports.area = area$3; exports.line = line; exports.pie = pie; exports.areaRadial = areaRadial; @@ -17090,7 +17725,7 @@ exports.stackOffsetDiverging = diverging; exports.stackOffsetNone = none$1; exports.stackOffsetSilhouette = silhouette; exports.stackOffsetWiggle = wiggle; -exports.stackOrderAscending = ascending$2; +exports.stackOrderAscending = ascending$3; exports.stackOrderDescending = descending$2; exports.stackOrderInsideOut = insideOut; exports.stackOrderNone = none$2; diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index 607d187..d715d22 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,2 +1,2 @@ -// https://d3js.org Version 4.13.0. 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e=Math.sqrt(n/l_),r=e*f_;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},p_=Math.sin(r_/10)/Math.sin(7*r_/10),d_=Math.sin(o_/10)*p_,v_=-Math.cos(o_/10)*p_,g_={draw:function(t,n){var e=Math.sqrt(.8908130915292852*n),r=d_*e,i=v_*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var u=o_*o/5,a=Math.cos(u),c=Math.sin(u);t.lineTo(c*e,-a*e),t.lineTo(a*r-c*i,c*r+a*i)}t.closePath()}},__={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},y_=Math.sqrt(3),m_={draw:function(t,n){var e=-Math.sqrt(n/(3*y_));t.moveTo(0,2*e),t.lineTo(-y_*e,-e),t.lineTo(y_*e,-e),t.closePath()}},x_=Math.sqrt(3)/2,b_=1/Math.sqrt(12),w_=3*(b_/2+1),M_={draw:function(t,n){var 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2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Nc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Sc.prototype={areaStart:Tc,areaEnd:Tc,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Nc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Ec.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Nc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Ac.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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d3_map_zero + key : key; - } - function d3_map_unescape(key) { - return (key += "")[0] === d3_map_zero ? key.slice(1) : key; - } - function d3_map_has(key) { - return d3_map_escape(key) in this._; - } - function d3_map_remove(key) { - return (key = d3_map_escape(key)) in this._ && delete this._[key]; - } - function d3_map_keys() { - var keys = []; - for (var key in this._) keys.push(d3_map_unescape(key)); - return keys; - } - function d3_map_size() { - var size = 0; - for (var key in this._) ++size; - return size; - } - function d3_map_empty() { - for (var key in this._) return false; - return true; - } - d3.nest = function() { - var nest = {}, keys = [], sortKeys = [], sortValues, rollup; - function map(mapType, array, depth) { - if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array; - var i = -1, n = array.length, key = keys[depth++], keyValue, object, setter, valuesByKey = new d3_Map(), values; - while (++i < n) { - if (values = valuesByKey.get(keyValue = key(object = array[i]))) { - values.push(object); - } else { - valuesByKey.set(keyValue, [ object ]); - } - } - if (mapType) { - object = mapType(); - setter = function(keyValue, values) { - object.set(keyValue, map(mapType, values, depth)); - }; - } else { - object = {}; - setter = function(keyValue, values) { - object[keyValue] = map(mapType, values, depth); - }; - } - valuesByKey.forEach(setter); - return object; - } - function entries(map, depth) { - if (depth >= keys.length) return map; - var array = [], sortKey = sortKeys[depth++]; - map.forEach(function(key, keyMap) { - array.push({ - key: key, - values: entries(keyMap, depth) - }); - }); - return sortKey ? array.sort(function(a, b) { - return sortKey(a.key, b.key); - }) : array; - } - nest.map = function(array, mapType) { - return map(mapType, array, 0); - }; - nest.entries = function(array) { - return entries(map(d3.map, array, 0), 0); - }; - nest.key = function(d) { - keys.push(d); - return nest; - }; - nest.sortKeys = function(order) { - sortKeys[keys.length - 1] = order; - return nest; - }; - nest.sortValues = function(order) { - sortValues = order; - return nest; - }; - nest.rollup = function(f) { - rollup = f; - return nest; - }; - return nest; - }; - d3.set = function(array) { - var set = new d3_Set(); - if (array) for (var i = 0, n = array.length; i < n; ++i) set.add(array[i]); - return set; - }; - function d3_Set() { - this._ = Object.create(null); - } - d3_class(d3_Set, { - has: d3_map_has, - add: function(key) { - this._[d3_map_escape(key += "")] = true; - return key; - }, - remove: d3_map_remove, - values: d3_map_keys, - size: d3_map_size, - empty: d3_map_empty, - forEach: function(f) { - for (var key in this._) f.call(this, d3_map_unescape(key)); - } - }); - d3.behavior = {}; - function d3_identity(d) { - return d; - } - d3.rebind = function(target, source) { - var i = 1, n = arguments.length, method; - while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]); - return target; - }; - function d3_rebind(target, source, method) { - return function() { - var value = method.apply(source, arguments); - return value === source ? target : value; - }; - } - function d3_vendorSymbol(object, name) { - if (name in object) return name; - name = name.charAt(0).toUpperCase() + name.slice(1); - for (var i = 0, n = d3_vendorPrefixes.length; i < n; ++i) { - var prefixName = d3_vendorPrefixes[i] + name; - if (prefixName in object) return prefixName; - } - } - var d3_vendorPrefixes = [ "webkit", "ms", "moz", "Moz", "o", "O" ]; - function d3_noop() {} - d3.dispatch = function() { - var dispatch = new d3_dispatch(), i = -1, n = arguments.length; - while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch); - return dispatch; - }; - function d3_dispatch() {} - d3_dispatch.prototype.on = function(type, listener) { - var i = type.indexOf("."), name = ""; - if (i >= 0) { - name = type.slice(i + 1); - type = type.slice(0, i); - } - if (type) return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener); - if (arguments.length === 2) { - if (listener == null) for (type in this) { - if (this.hasOwnProperty(type)) this[type].on(name, null); - } - return this; - } - }; - function d3_dispatch_event(dispatch) { - var listeners = [], listenerByName = new d3_Map(); - function event() { - var z = listeners, i = -1, n = z.length, l; - while (++i < n) if (l = z[i].on) l.apply(this, arguments); - return dispatch; - } - event.on = function(name, listener) { - var l = listenerByName.get(name), i; - if (arguments.length < 2) return l && l.on; - if (l) { - l.on = null; - listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1)); - listenerByName.remove(name); - } - if (listener) listeners.push(listenerByName.set(name, { - on: listener - })); - return dispatch; - }; - return event; - } - d3.event = null; - function d3_eventPreventDefault() { - d3.event.preventDefault(); - } - function d3_eventSource() { - var e = d3.event, s; - while (s = e.sourceEvent) e = s; - return e; - } - function d3_eventDispatch(target) { - var dispatch = new d3_dispatch(), i = 0, n = arguments.length; - while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch); - dispatch.of = function(thiz, argumentz) { - return function(e1) { - try { - var e0 = e1.sourceEvent = d3.event; - e1.target = target; - d3.event = e1; - dispatch[e1.type].apply(thiz, argumentz); - } finally { - d3.event = e0; - } - }; - }; - return dispatch; - } - d3.requote = function(s) { - return s.replace(d3_requote_re, "\\$&"); - }; - var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; - var d3_subclass = {}.__proto__ ? function(object, prototype) { - object.__proto__ = prototype; - } : function(object, prototype) { - for (var property in prototype) object[property] = prototype[property]; - }; - function d3_selection(groups) { - d3_subclass(groups, d3_selectionPrototype); - return groups; - } - var d3_select = function(s, n) { - return n.querySelector(s); - }, d3_selectAll = function(s, n) { - return n.querySelectorAll(s); - }, d3_selectMatches = function(n, s) { - var d3_selectMatcher = n.matches || n[d3_vendorSymbol(n, "matchesSelector")]; - d3_selectMatches = function(n, s) { - return d3_selectMatcher.call(n, s); - }; - return d3_selectMatches(n, s); - }; - if (typeof Sizzle === "function") { - d3_select = function(s, n) { - return Sizzle(s, n)[0] || null; - }; - d3_selectAll = Sizzle; - d3_selectMatches = Sizzle.matchesSelector; - } - d3.selection = function() { - return d3.select(d3_document.documentElement); - }; - var d3_selectionPrototype = d3.selection.prototype = []; - d3_selectionPrototype.select = function(selector) { - var subgroups = [], subgroup, subnode, group, node; - selector = d3_selection_selector(selector); - for (var j = -1, m = this.length; ++j < m; ) { - subgroups.push(subgroup = []); - subgroup.parentNode = (group = this[j]).parentNode; - for (var i = -1, n = group.length; ++i < n; ) { - if (node = group[i]) { - subgroup.push(subnode = selector.call(node, node.__data__, i, j)); - if (subnode && "__data__" in node) subnode.__data__ = node.__data__; - } else { - subgroup.push(null); - } - } - } - return d3_selection(subgroups); - }; - function d3_selection_selector(selector) { - return typeof selector === "function" ? selector : function() { - return d3_select(selector, this); - }; - } - d3_selectionPrototype.selectAll = function(selector) { - var subgroups = [], subgroup, node; - selector = d3_selection_selectorAll(selector); - for (var j = -1, m = this.length; ++j < m; ) { - for (var group = this[j], i = -1, n = group.length; ++i < n; ) { - if (node = group[i]) { - subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i, j))); - subgroup.parentNode = node; - } - } - } - return d3_selection(subgroups); - }; - function d3_selection_selectorAll(selector) { - return typeof selector === "function" ? selector : function() { - return d3_selectAll(selector, this); - }; - } - var d3_nsXhtml = "http://www.w3.org/1999/xhtml"; - var d3_nsPrefix = { - svg: "http://www.w3.org/2000/svg", - xhtml: d3_nsXhtml, - xlink: "http://www.w3.org/1999/xlink", - xml: "http://www.w3.org/XML/1998/namespace", - xmlns: "http://www.w3.org/2000/xmlns/" - }; - d3.ns = { - prefix: d3_nsPrefix, - qualify: function(name) { - var i = name.indexOf(":"), prefix = name; - if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); - return d3_nsPrefix.hasOwnProperty(prefix) ? { - space: d3_nsPrefix[prefix], - local: name - } : name; - } - }; - d3_selectionPrototype.attr = function(name, value) { - if (arguments.length < 2) { - if (typeof name === "string") { - var node = this.node(); - name = d3.ns.qualify(name); - return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name); - } - for (value in name) this.each(d3_selection_attr(value, name[value])); - return this; - } - return this.each(d3_selection_attr(name, value)); - }; - function d3_selection_attr(name, value) { - name = d3.ns.qualify(name); - function attrNull() { - this.removeAttribute(name); - } - function attrNullNS() { - this.removeAttributeNS(name.space, name.local); - } - function attrConstant() { - this.setAttribute(name, value); - } - function attrConstantNS() { - this.setAttributeNS(name.space, name.local, value); - } - function attrFunction() { - var x = value.apply(this, arguments); - if (x == null) this.removeAttribute(name); else this.setAttribute(name, x); - } - function attrFunctionNS() { - var x = value.apply(this, arguments); - if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x); - } - return value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant; - } - function d3_collapse(s) { - return s.trim().replace(/\s+/g, " "); - } - d3_selectionPrototype.classed = function(name, value) { - if (arguments.length < 2) { - if (typeof name === "string") { - var node = this.node(), n = (name = d3_selection_classes(name)).length, i = -1; - if (value = node.classList) { - while (++i < n) if (!value.contains(name[i])) return false; - } else { - value = node.getAttribute("class"); - while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false; - } - return true; - } - for (value in name) this.each(d3_selection_classed(value, name[value])); - return this; - } - return this.each(d3_selection_classed(name, value)); - }; - function d3_selection_classedRe(name) { - return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g"); - } - function d3_selection_classes(name) { - return (name + "").trim().split(/^|\s+/); - } - function d3_selection_classed(name, value) { - name = d3_selection_classes(name).map(d3_selection_classedName); - var n = name.length; - function classedConstant() { - var i = -1; - while (++i < n) name[i](this, value); - } - function classedFunction() { - var i = -1, x = value.apply(this, arguments); - while (++i < n) name[i](this, x); - } - return typeof value === "function" ? classedFunction : classedConstant; - } - function d3_selection_classedName(name) { - var re = d3_selection_classedRe(name); - return function(node, value) { - if (c = node.classList) return value ? c.add(name) : c.remove(name); - var c = node.getAttribute("class") || ""; - if (value) { - re.lastIndex = 0; - if (!re.test(c)) node.setAttribute("class", d3_collapse(c + " " + name)); - } else { - node.setAttribute("class", d3_collapse(c.replace(re, " "))); - } - }; - } - d3_selectionPrototype.style = function(name, value, priority) { - var n = arguments.length; - if (n < 3) { - if (typeof name !== "string") { - if (n < 2) value = ""; - for (priority in name) this.each(d3_selection_style(priority, name[priority], value)); - return this; - } - if (n < 2) { - var node = this.node(); - return d3_window(node).getComputedStyle(node, null).getPropertyValue(name); - } - priority = ""; - } - return this.each(d3_selection_style(name, value, priority)); - }; - function d3_selection_style(name, value, priority) { - function styleNull() { - this.style.removeProperty(name); - } - function styleConstant() { - this.style.setProperty(name, value, priority); - } - function styleFunction() { - var x = value.apply(this, arguments); - if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority); - } - return value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant; - } - d3_selectionPrototype.property = function(name, value) { - if (arguments.length < 2) { - if (typeof name === "string") return this.node()[name]; - for (value in name) this.each(d3_selection_property(value, name[value])); - return this; - } - return this.each(d3_selection_property(name, value)); - }; - function d3_selection_property(name, value) { - function propertyNull() { - delete this[name]; - } - function propertyConstant() { - this[name] = value; - } - function propertyFunction() { - var x = value.apply(this, arguments); - if (x == null) delete this[name]; else this[name] = x; - } - return value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant; - } - d3_selectionPrototype.text = function(value) { - return arguments.length ? this.each(typeof value === "function" ? function() { - var v = value.apply(this, arguments); - this.textContent = v == null ? "" : v; - } : value == null ? function() { - this.textContent = ""; - } : function() { - this.textContent = value; - }) : this.node().textContent; - }; - d3_selectionPrototype.html = function(value) { - return arguments.length ? this.each(typeof value === "function" ? function() { - var v = value.apply(this, arguments); - this.innerHTML = v == null ? "" : v; - } : value == null ? function() { - this.innerHTML = ""; - } : function() { - this.innerHTML = value; - }) : this.node().innerHTML; - }; - d3_selectionPrototype.append = function(name) { - name = d3_selection_creator(name); - return this.select(function() { - return this.appendChild(name.apply(this, arguments)); - }); - }; - function d3_selection_creator(name) { - function create() { - var document = this.ownerDocument, namespace = this.namespaceURI; - return namespace === d3_nsXhtml && document.documentElement.namespaceURI === d3_nsXhtml ? document.createElement(name) : document.createElementNS(namespace, name); - } - function createNS() { - return this.ownerDocument.createElementNS(name.space, name.local); - } - return typeof name === "function" ? name : (name = d3.ns.qualify(name)).local ? createNS : create; - } - d3_selectionPrototype.insert = function(name, before) { - name = d3_selection_creator(name); - before = d3_selection_selector(before); - return this.select(function() { - return this.insertBefore(name.apply(this, arguments), before.apply(this, arguments) || null); - }); - }; - d3_selectionPrototype.remove = function() { - return this.each(d3_selectionRemove); - }; - function d3_selectionRemove() { - var parent = this.parentNode; - if (parent) parent.removeChild(this); - } - d3_selectionPrototype.data = function(value, key) { - var i = -1, n = this.length, group, node; - if (!arguments.length) { - value = new Array(n = (group = this[0]).length); - while (++i < n) { - if (node = group[i]) { - value[i] = node.__data__; - } - } - return value; - } - function bind(group, groupData) { - var i, n = group.length, m = groupData.length, n0 = Math.min(n, m), updateNodes = new Array(m), enterNodes = new Array(m), exitNodes = new Array(n), node, nodeData; - if (key) { - var nodeByKeyValue = new d3_Map(), keyValues = new Array(n), keyValue; - for (i = -1; ++i < n; ) { - if (node = group[i]) { - if (nodeByKeyValue.has(keyValue = key.call(node, node.__data__, i))) { - exitNodes[i] = node; - } else { - nodeByKeyValue.set(keyValue, node); - } - keyValues[i] = keyValue; - } - } - for (i = -1; ++i < m; ) { - if (!(node = nodeByKeyValue.get(keyValue = key.call(groupData, nodeData = groupData[i], i)))) { - enterNodes[i] = d3_selection_dataNode(nodeData); - } else if (node !== true) { - updateNodes[i] = node; - node.__data__ = nodeData; - } - nodeByKeyValue.set(keyValue, true); - } - for (i = -1; ++i < n; ) { - if (i in keyValues && nodeByKeyValue.get(keyValues[i]) !== true) { - exitNodes[i] = group[i]; - } - } - } else { - for (i = -1; ++i < n0; ) { - node = group[i]; - nodeData = groupData[i]; - if (node) { - node.__data__ = nodeData; - updateNodes[i] = node; - } else { - enterNodes[i] = d3_selection_dataNode(nodeData); - } - } - for (;i < m; ++i) { - enterNodes[i] = d3_selection_dataNode(groupData[i]); - } - for (;i < n; ++i) { - exitNodes[i] = group[i]; - } - } - enterNodes.update = updateNodes; - enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode; - enter.push(enterNodes); - update.push(updateNodes); - exit.push(exitNodes); - } - var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]); - if (typeof value === "function") { - while (++i < n) { - bind(group = this[i], value.call(group, group.parentNode.__data__, i)); - } - } else { - while (++i < n) { - bind(group = this[i], value); - } - } - update.enter = function() { - return enter; - }; - update.exit = function() { - return exit; - }; - return update; - }; - function d3_selection_dataNode(data) { - return { - __data__: data - }; - } - d3_selectionPrototype.datum = function(value) { - return arguments.length ? this.property("__data__", value) : this.property("__data__"); - }; - d3_selectionPrototype.filter = function(filter) { - var subgroups = [], subgroup, group, node; - if (typeof filter !== "function") filter = d3_selection_filter(filter); - for (var j = 0, m = this.length; j < m; j++) { - subgroups.push(subgroup = []); - subgroup.parentNode = (group = this[j]).parentNode; - for (var i = 0, n = group.length; i < n; i++) { - if ((node = group[i]) && filter.call(node, node.__data__, i, j)) { - subgroup.push(node); - } - } - } - return d3_selection(subgroups); - }; - function d3_selection_filter(selector) { - return function() { - return d3_selectMatches(this, selector); - }; - } - d3_selectionPrototype.order = function() { - for (var j = -1, m = this.length; ++j < m; ) { - for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) { - if (node = group[i]) { - if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); - next = node; - } - } - } - return this; - }; - d3_selectionPrototype.sort = function(comparator) { - comparator = d3_selection_sortComparator.apply(this, arguments); - for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator); - return this.order(); - }; - function d3_selection_sortComparator(comparator) { - if (!arguments.length) comparator = d3_ascending; - return function(a, b) { - return a && b ? comparator(a.__data__, b.__data__) : !a - !b; - }; - } - d3_selectionPrototype.each = function(callback) { - return d3_selection_each(this, function(node, i, j) { - callback.call(node, node.__data__, i, j); - }); - }; - function d3_selection_each(groups, callback) { - for (var j = 0, m = groups.length; j < m; j++) { - for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) { - if (node = group[i]) callback(node, i, j); - } - } - return groups; - } - d3_selectionPrototype.call = function(callback) { - var args = d3_array(arguments); - callback.apply(args[0] = this, args); - return this; - }; - d3_selectionPrototype.empty = function() { - return !this.node(); - }; - d3_selectionPrototype.node = function() { - for (var j = 0, m = this.length; j < m; j++) { - for (var group = this[j], i = 0, n = group.length; i < n; i++) { - var node = group[i]; - if (node) return node; - } - } - return null; - }; - d3_selectionPrototype.size = function() { - var n = 0; - d3_selection_each(this, function() { - ++n; - }); - return n; - }; - function d3_selection_enter(selection) { - d3_subclass(selection, d3_selection_enterPrototype); - return selection; - } - var d3_selection_enterPrototype = []; - d3.selection.enter = d3_selection_enter; - d3.selection.enter.prototype = d3_selection_enterPrototype; - d3_selection_enterPrototype.append = d3_selectionPrototype.append; - d3_selection_enterPrototype.empty = d3_selectionPrototype.empty; - d3_selection_enterPrototype.node = d3_selectionPrototype.node; - d3_selection_enterPrototype.call = d3_selectionPrototype.call; - d3_selection_enterPrototype.size = d3_selectionPrototype.size; - d3_selection_enterPrototype.select = function(selector) { - var subgroups = [], subgroup, subnode, upgroup, group, node; - for (var j = -1, m = this.length; ++j < m; ) { - upgroup = (group = this[j]).update; - subgroups.push(subgroup = []); - subgroup.parentNode = group.parentNode; - for (var i = -1, n = group.length; ++i < n; ) { - if (node = group[i]) { - subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i, j)); - subnode.__data__ = node.__data__; - } else { - subgroup.push(null); - } - } - } - return d3_selection(subgroups); - }; - d3_selection_enterPrototype.insert = function(name, before) { - if (arguments.length < 2) before = d3_selection_enterInsertBefore(this); - return d3_selectionPrototype.insert.call(this, name, before); - }; - function d3_selection_enterInsertBefore(enter) { - var i0, j0; - return function(d, i, j) { - var group = enter[j].update, n = group.length, node; - if (j != j0) j0 = j, i0 = 0; - if (i >= i0) i0 = i + 1; - while (!(node = group[i0]) && ++i0 < n) ; - return node; - }; - } - d3.select = function(node) { - var group; - if (typeof node === "string") { - group = [ d3_select(node, d3_document) ]; - group.parentNode = d3_document.documentElement; - } else { - group = [ node ]; - group.parentNode = d3_documentElement(node); - } - return d3_selection([ group ]); - }; - d3.selectAll = function(nodes) { - var group; - if (typeof nodes === "string") { - group = d3_array(d3_selectAll(nodes, d3_document)); - group.parentNode = d3_document.documentElement; - } else { - group = d3_array(nodes); - group.parentNode = null; - } - return d3_selection([ group ]); - }; - d3_selectionPrototype.on = function(type, listener, capture) { - var n = arguments.length; - if (n < 3) { - if (typeof type !== "string") { - if (n < 2) listener = false; - for (capture in type) this.each(d3_selection_on(capture, type[capture], listener)); - return this; - } - if (n < 2) return (n = this.node()["__on" + type]) && n._; - capture = false; - } - return this.each(d3_selection_on(type, listener, capture)); - }; - function d3_selection_on(type, listener, capture) { - var name = "__on" + type, i = type.indexOf("."), wrap = d3_selection_onListener; - if (i > 0) type = type.slice(0, i); - var filter = d3_selection_onFilters.get(type); - if (filter) type = filter, wrap = d3_selection_onFilter; - function onRemove() { - var l = this[name]; - if (l) { - this.removeEventListener(type, l, l.$); - delete this[name]; - } - } - function onAdd() { - var l = wrap(listener, d3_array(arguments)); - onRemove.call(this); - this.addEventListener(type, this[name] = l, l.$ = capture); - l._ = listener; - } - function removeAll() { - var re = new RegExp("^__on([^.]+)" + d3.requote(type) + "$"), match; - for (var name in this) { - if (match = name.match(re)) { - var l = this[name]; - this.removeEventListener(match[1], l, l.$); - delete this[name]; - } - } - } - return i ? listener ? onAdd : onRemove : listener ? d3_noop : removeAll; - } - var d3_selection_onFilters = d3.map({ - mouseenter: "mouseover", - mouseleave: "mouseout" - }); - if (d3_document) { - d3_selection_onFilters.forEach(function(k) { - if ("on" + k in d3_document) d3_selection_onFilters.remove(k); - }); - } - function d3_selection_onListener(listener, argumentz) { - return function(e) { - var o = d3.event; - d3.event = e; - argumentz[0] = this.__data__; - try { - listener.apply(this, argumentz); - } finally { - d3.event = o; - } - }; - } - function d3_selection_onFilter(listener, argumentz) { - var l = d3_selection_onListener(listener, argumentz); - return function(e) { - var target = this, related = e.relatedTarget; - if (!related || related !== target && !(related.compareDocumentPosition(target) & 8)) { - l.call(target, e); - } - }; - } - var d3_event_dragSelect, d3_event_dragId = 0; - function d3_event_dragSuppress(node) { - var name = ".dragsuppress-" + ++d3_event_dragId, click = "click" + name, w = d3.select(d3_window(node)).on("touchmove" + name, d3_eventPreventDefault).on("dragstart" + name, d3_eventPreventDefault).on("selectstart" + name, d3_eventPreventDefault); - if (d3_event_dragSelect == null) { - d3_event_dragSelect = "onselectstart" in node ? false : d3_vendorSymbol(node.style, "userSelect"); - } - if (d3_event_dragSelect) { - var style = d3_documentElement(node).style, select = style[d3_event_dragSelect]; - style[d3_event_dragSelect] = "none"; - } - return function(suppressClick) { - w.on(name, null); - if (d3_event_dragSelect) style[d3_event_dragSelect] = select; - if (suppressClick) { - var off = function() { - w.on(click, null); - }; - w.on(click, function() { - d3_eventPreventDefault(); - off(); - }, true); - setTimeout(off, 0); - } - }; - } - d3.mouse = function(container) { - return d3_mousePoint(container, d3_eventSource()); - }; - var d3_mouse_bug44083 = this.navigator && /WebKit/.test(this.navigator.userAgent) ? -1 : 0; - function d3_mousePoint(container, e) { - if (e.changedTouches) e = e.changedTouches[0]; - var svg = container.ownerSVGElement || container; - if (svg.createSVGPoint) { - var point = svg.createSVGPoint(); - if (d3_mouse_bug44083 < 0) { - var window = d3_window(container); - if (window.scrollX || window.scrollY) { - svg = d3.select("body").append("svg").style({ - position: "absolute", - top: 0, - left: 0, - margin: 0, - padding: 0, - border: "none" - }, "important"); - var ctm = svg[0][0].getScreenCTM(); - d3_mouse_bug44083 = !(ctm.f || ctm.e); - svg.remove(); - } - } - if (d3_mouse_bug44083) point.x = e.pageX, point.y = e.pageY; else point.x = e.clientX, - point.y = e.clientY; - point = point.matrixTransform(container.getScreenCTM().inverse()); - return [ point.x, point.y ]; - } - var rect = container.getBoundingClientRect(); - return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ]; - } - d3.touch = function(container, touches, identifier) { - if (arguments.length < 3) identifier = touches, touches = d3_eventSource().changedTouches; - if (touches) for (var i = 0, n = touches.length, touch; i < n; ++i) { - if ((touch = touches[i]).identifier === identifier) { - return d3_mousePoint(container, touch); - } - } - }; - d3.behavior.drag = function() { - var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null, mousedown = dragstart(d3_noop, d3.mouse, d3_window, "mousemove", "mouseup"), touchstart = dragstart(d3_behavior_dragTouchId, d3.touch, d3_identity, "touchmove", "touchend"); - function drag() { - this.on("mousedown.drag", mousedown).on("touchstart.drag", touchstart); - } - function dragstart(id, position, subject, move, end) { - return function() { - var that = this, target = d3.event.target.correspondingElement || d3.event.target, parent = that.parentNode, dispatch = event.of(that, arguments), dragged = 0, dragId = id(), dragName = ".drag" + (dragId == null ? "" : "-" + dragId), dragOffset, dragSubject = d3.select(subject(target)).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(target), position0 = position(parent, dragId); - if (origin) { - dragOffset = origin.apply(that, arguments); - dragOffset = [ dragOffset.x - position0[0], dragOffset.y - position0[1] ]; - } else { - dragOffset = [ 0, 0 ]; - } - dispatch({ - type: "dragstart" - }); - function moved() { - var position1 = position(parent, dragId), dx, dy; - if (!position1) return; - dx = position1[0] - position0[0]; - dy = position1[1] - position0[1]; - dragged |= dx | dy; - position0 = position1; - dispatch({ - type: "drag", - x: position1[0] + dragOffset[0], - y: position1[1] + dragOffset[1], - dx: dx, - dy: dy - }); - } - function ended() { - if (!position(parent, dragId)) return; - dragSubject.on(move + dragName, null).on(end + dragName, null); - dragRestore(dragged); - dispatch({ - type: "dragend" - }); - } - }; - } - drag.origin = function(x) { - if (!arguments.length) return origin; - origin = x; - return drag; - }; - return d3.rebind(drag, event, "on"); - }; - function d3_behavior_dragTouchId() { - return d3.event.changedTouches[0].identifier; - } - d3.touches = function(container, touches) { - if (arguments.length < 2) touches = d3_eventSource().touches; - return touches ? d3_array(touches).map(function(touch) { - var point = d3_mousePoint(container, touch); - point.identifier = touch.identifier; - return point; - }) : []; - }; - var ε = 1e-6, ε2 = ε * ε, π = Math.PI, τ = 2 * π, τε = τ - ε, halfπ = π / 2, d3_radians = π / 180, d3_degrees = 180 / π; - function d3_sgn(x) { - return x > 0 ? 1 : x < 0 ? -1 : 0; - } - function d3_cross2d(a, b, c) { - return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); - } - function d3_acos(x) { - return x > 1 ? 0 : x < -1 ? π : Math.acos(x); - } - function d3_asin(x) { - return x > 1 ? halfπ : x < -1 ? -halfπ : Math.asin(x); - } - function d3_sinh(x) { - return ((x = Math.exp(x)) - 1 / x) / 2; - } - function d3_cosh(x) { - return ((x = Math.exp(x)) + 1 / x) / 2; - } - function d3_tanh(x) { - return ((x = Math.exp(2 * x)) - 1) / (x + 1); - } - function d3_haversin(x) { - return (x = Math.sin(x / 2)) * x; - } - var ρ = Math.SQRT2, ρ2 = 2, ρ4 = 4; - d3.interpolateZoom = function(p0, p1) { - var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2], dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, i, S; - if (d2 < ε2) { - S = Math.log(w1 / w0) / ρ; - i = function(t) { - return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * t * S) ]; - }; - } else { - var d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + ρ4 * d2) / (2 * w0 * ρ2 * d1), b1 = (w1 * w1 - w0 * w0 - ρ4 * d2) / (2 * w1 * ρ2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); - S = (r1 - r0) / ρ; - i = function(t) { - var s = t * S, coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0)); - return [ ux0 + u * dx, uy0 + u * dy, w0 * coshr0 / d3_cosh(ρ * s + r0) ]; - }; - } - i.duration = S * 1e3; - return i; - }; - d3.behavior.zoom = function() { - var view = { - x: 0, - y: 0, - k: 1 - }, translate0, center0, center, size = [ 960, 500 ], scaleExtent = d3_behavior_zoomInfinity, duration = 250, zooming = 0, mousedown = "mousedown.zoom", mousemove = "mousemove.zoom", mouseup = "mouseup.zoom", mousewheelTimer, touchstart = "touchstart.zoom", touchtime, event = d3_eventDispatch(zoom, "zoomstart", "zoom", "zoomend"), x0, x1, y0, y1; - if (!d3_behavior_zoomWheel) { - d3_behavior_zoomWheel = "onwheel" in d3_document ? (d3_behavior_zoomDelta = function() { - return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1); - }, "wheel") : "onmousewheel" in d3_document ? (d3_behavior_zoomDelta = function() { - return d3.event.wheelDelta; - }, "mousewheel") : (d3_behavior_zoomDelta = function() { - return -d3.event.detail; - }, "MozMousePixelScroll"); - } - function zoom(g) { - g.on(mousedown, mousedowned).on(d3_behavior_zoomWheel + ".zoom", mousewheeled).on("dblclick.zoom", dblclicked).on(touchstart, touchstarted); - } - zoom.event = function(g) { - g.each(function() { - var dispatch = event.of(this, arguments), view1 = view; - if (d3_transitionInheritId) { - d3.select(this).transition().each("start.zoom", function() { - view = this.__chart__ || { - x: 0, - y: 0, - k: 1 - }; - zoomstarted(dispatch); - }).tween("zoom:zoom", function() { - var dx = size[0], dy = size[1], cx = center0 ? center0[0] : dx / 2, cy = center0 ? center0[1] : dy / 2, i = d3.interpolateZoom([ (cx - view.x) / view.k, (cy - view.y) / view.k, dx / view.k ], [ (cx - view1.x) / view1.k, (cy - view1.y) / view1.k, dx / view1.k ]); - return function(t) { - var l = i(t), k = dx / l[2]; - this.__chart__ = view = { - x: cx - l[0] * k, - y: cy - l[1] * k, - k: k - }; - zoomed(dispatch); - }; - }).each("interrupt.zoom", function() { - zoomended(dispatch); - }).each("end.zoom", function() { - zoomended(dispatch); - }); - } else { - this.__chart__ = view; - zoomstarted(dispatch); - zoomed(dispatch); - zoomended(dispatch); - } - }); - }; - zoom.translate = function(_) { - if (!arguments.length) return [ view.x, view.y ]; - view = { - x: +_[0], - y: +_[1], - k: view.k - }; - rescale(); - return zoom; - }; - zoom.scale = function(_) { - if (!arguments.length) return view.k; - view = { - x: view.x, - y: view.y, - k: null - }; - scaleTo(+_); - rescale(); - return zoom; - }; - zoom.scaleExtent = function(_) { - if (!arguments.length) return scaleExtent; - scaleExtent = _ == null ? d3_behavior_zoomInfinity : [ +_[0], +_[1] ]; - return zoom; - }; - zoom.center = function(_) { - if (!arguments.length) return center; - center = _ && [ +_[0], +_[1] ]; - return zoom; - }; - zoom.size = function(_) { - if (!arguments.length) return size; - size = _ && [ +_[0], +_[1] ]; - return zoom; - }; - zoom.duration = function(_) { - if (!arguments.length) return duration; - duration = +_; - return zoom; - }; - zoom.x = function(z) { - if (!arguments.length) return x1; - x1 = z; - x0 = z.copy(); - view = { - x: 0, - y: 0, - k: 1 - }; - return zoom; - }; - zoom.y = function(z) { - if (!arguments.length) return y1; - y1 = z; - y0 = z.copy(); - view = { - x: 0, - y: 0, - k: 1 - }; - return zoom; - }; - function location(p) { - return [ (p[0] - view.x) / view.k, (p[1] - view.y) / view.k ]; - } - function point(l) { - return [ l[0] * view.k + view.x, l[1] * view.k + view.y ]; - } - function scaleTo(s) { - view.k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s)); - } - function translateTo(p, l) { - l = point(l); - view.x += p[0] - l[0]; - view.y += p[1] - l[1]; - } - function zoomTo(that, p, l, k) { - that.__chart__ = { - x: view.x, - y: view.y, - k: view.k - }; - scaleTo(Math.pow(2, k)); - translateTo(center0 = p, l); - that = d3.select(that); - if (duration > 0) that = that.transition().duration(duration); - that.call(zoom.event); - } - function rescale() { - if (x1) x1.domain(x0.range().map(function(x) { - return (x - view.x) / view.k; - }).map(x0.invert)); - if (y1) y1.domain(y0.range().map(function(y) { - return (y - view.y) / view.k; - }).map(y0.invert)); - } - function zoomstarted(dispatch) { - if (!zooming++) dispatch({ - type: "zoomstart" - }); - } - function zoomed(dispatch) { - rescale(); - dispatch({ - type: "zoom", - scale: view.k, - translate: [ view.x, view.y ] - }); - } - function zoomended(dispatch) { - if (!--zooming) dispatch({ - type: "zoomend" - }), center0 = null; - } - function mousedowned() { - var that = this, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window(that)).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress(that); - d3_selection_interrupt.call(that); - zoomstarted(dispatch); - function moved() { - dragged = 1; - translateTo(d3.mouse(that), location0); - zoomed(dispatch); - } - function ended() { - subject.on(mousemove, null).on(mouseup, null); - dragRestore(dragged); - zoomended(dispatch); - } - } - function touchstarted() { - var that = this, dispatch = event.of(that, arguments), locations0 = {}, distance0 = 0, scale0, zoomName = ".zoom-" + d3.event.changedTouches[0].identifier, touchmove = "touchmove" + zoomName, touchend = "touchend" + zoomName, targets = [], subject = d3.select(that), dragRestore = d3_event_dragSuppress(that); - started(); - zoomstarted(dispatch); - subject.on(mousedown, null).on(touchstart, started); - function relocate() { - var touches = d3.touches(that); - scale0 = view.k; - touches.forEach(function(t) { - if (t.identifier in locations0) locations0[t.identifier] = location(t); - }); - return touches; - } - function started() { - var target = d3.event.target; - d3.select(target).on(touchmove, moved).on(touchend, ended); - targets.push(target); - var changed = d3.event.changedTouches; - for (var i = 0, n = changed.length; i < n; ++i) { - locations0[changed[i].identifier] = null; - } - var touches = relocate(), now = Date.now(); - if (touches.length === 1) { - if (now - touchtime < 500) { - var p = touches[0]; - zoomTo(that, p, locations0[p.identifier], Math.floor(Math.log(view.k) / Math.LN2) + 1); - d3_eventPreventDefault(); - } - touchtime = now; - } else if (touches.length > 1) { - var p = touches[0], q = touches[1], dx = p[0] - q[0], dy = p[1] - q[1]; - distance0 = dx * dx + dy * dy; - } - } - function moved() { - var touches = d3.touches(that), p0, l0, p1, l1; - d3_selection_interrupt.call(that); - for (var i = 0, n = touches.length; i < n; ++i, l1 = null) { - p1 = touches[i]; - if (l1 = locations0[p1.identifier]) { - if (l0) break; - p0 = p1, l0 = l1; - } - } - if (l1) { - var distance1 = (distance1 = p1[0] - p0[0]) * distance1 + (distance1 = p1[1] - p0[1]) * distance1, scale1 = distance0 && Math.sqrt(distance1 / distance0); - p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ]; - l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ]; - scaleTo(scale1 * scale0); - } - touchtime = null; - translateTo(p0, l0); - zoomed(dispatch); - } - function ended() { - if (d3.event.touches.length) { - var changed = d3.event.changedTouches; - for (var i = 0, n = changed.length; i < n; ++i) { - delete locations0[changed[i].identifier]; - } - for (var identifier in locations0) { - return void relocate(); - } - } - d3.selectAll(targets).on(zoomName, null); - subject.on(mousedown, mousedowned).on(touchstart, touchstarted); - dragRestore(); - zoomended(dispatch); - } - } - function mousewheeled() { - var dispatch = event.of(this, arguments); - if (mousewheelTimer) clearTimeout(mousewheelTimer); else d3_selection_interrupt.call(this), - translate0 = location(center0 = center || d3.mouse(this)), zoomstarted(dispatch); - mousewheelTimer = setTimeout(function() { - mousewheelTimer = null; - zoomended(dispatch); - }, 50); - d3_eventPreventDefault(); - scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * view.k); - translateTo(center0, translate0); - zoomed(dispatch); - } - function dblclicked() { - var p = d3.mouse(this), k = Math.log(view.k) / Math.LN2; - zoomTo(this, p, location(p), d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1); - } - return d3.rebind(zoom, event, "on"); - }; - var d3_behavior_zoomInfinity = [ 0, Infinity ], d3_behavior_zoomDelta, d3_behavior_zoomWheel; - d3.color = d3_color; - function d3_color() {} - d3_color.prototype.toString = function() { - return this.rgb() + ""; - }; - d3.hsl = d3_hsl; - function d3_hsl(h, s, l) { - return this instanceof d3_hsl ? void (this.h = +h, this.s = +s, this.l = +l) : arguments.length < 2 ? h instanceof d3_hsl ? new d3_hsl(h.h, h.s, h.l) : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl) : new d3_hsl(h, s, l); - } - var d3_hslPrototype = d3_hsl.prototype = new d3_color(); - d3_hslPrototype.brighter = function(k) { - k = Math.pow(.7, arguments.length ? k : 1); - return new d3_hsl(this.h, this.s, this.l / k); - }; - d3_hslPrototype.darker = function(k) { - k = Math.pow(.7, arguments.length ? k : 1); - return new d3_hsl(this.h, this.s, k * this.l); - }; - d3_hslPrototype.rgb = function() { - return d3_hsl_rgb(this.h, this.s, this.l); - }; - function d3_hsl_rgb(h, s, l) { - var m1, m2; - h = isNaN(h) ? 0 : (h %= 360) < 0 ? h + 360 : h; - s = isNaN(s) ? 0 : s < 0 ? 0 : s > 1 ? 1 : s; - l = l < 0 ? 0 : l > 1 ? 1 : l; - m2 = l <= .5 ? l * (1 + s) : l + s - l * s; - m1 = 2 * l - m2; - function v(h) { - if (h > 360) h -= 360; else if (h < 0) h += 360; - if (h < 60) return m1 + (m2 - m1) * h / 60; - if (h < 180) return m2; - if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60; - return m1; - } - function vv(h) { - return Math.round(v(h) * 255); - } - return new d3_rgb(vv(h + 120), vv(h), vv(h - 120)); - } - d3.hcl = d3_hcl; - function d3_hcl(h, c, l) { - return this instanceof d3_hcl ? void (this.h = +h, this.c = +c, this.l = +l) : arguments.length < 2 ? h instanceof d3_hcl ? new d3_hcl(h.h, h.c, h.l) : h instanceof d3_lab ? d3_lab_hcl(h.l, h.a, h.b) : d3_lab_hcl((h = d3_rgb_lab((h = d3.rgb(h)).r, h.g, h.b)).l, h.a, h.b) : new d3_hcl(h, c, l); - } - var d3_hclPrototype = d3_hcl.prototype = new d3_color(); - d3_hclPrototype.brighter = function(k) { - return new d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1))); - }; - d3_hclPrototype.darker = function(k) { - return new d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1))); - }; - d3_hclPrototype.rgb = function() { - return d3_hcl_lab(this.h, this.c, this.l).rgb(); - }; - function d3_hcl_lab(h, c, l) { - if (isNaN(h)) h = 0; - if (isNaN(c)) c = 0; - return new d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c); - } - d3.lab = d3_lab; - function d3_lab(l, a, b) { - return this instanceof d3_lab ? void (this.l = +l, this.a = +a, this.b = +b) : arguments.length < 2 ? l instanceof d3_lab ? new d3_lab(l.l, l.a, l.b) : l instanceof d3_hcl ? d3_hcl_lab(l.h, l.c, l.l) : d3_rgb_lab((l = d3_rgb(l)).r, l.g, l.b) : new d3_lab(l, a, b); - } - var d3_lab_K = 18; - var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883; - var d3_labPrototype = d3_lab.prototype = new d3_color(); - d3_labPrototype.brighter = function(k) { - return new d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b); - }; - d3_labPrototype.darker = function(k) { - return new d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b); - }; - d3_labPrototype.rgb = function() { - return d3_lab_rgb(this.l, this.a, this.b); - }; - function d3_lab_rgb(l, a, b) { - var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200; - x = d3_lab_xyz(x) * d3_lab_X; - y = d3_lab_xyz(y) * d3_lab_Y; - z = d3_lab_xyz(z) * d3_lab_Z; - return new d3_rgb(d3_xyz_rgb(3.2404542 * x - 1.5371385 * y - .4985314 * z), d3_xyz_rgb(-.969266 * x + 1.8760108 * y + .041556 * z), d3_xyz_rgb(.0556434 * x - .2040259 * y + 1.0572252 * z)); - } - function d3_lab_hcl(l, a, b) { - return l > 0 ? new d3_hcl(Math.atan2(b, a) * d3_degrees, Math.sqrt(a * a + b * b), l) : new d3_hcl(NaN, NaN, l); - } - function d3_lab_xyz(x) { - return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037; - } - function d3_xyz_lab(x) { - return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29; - } - function d3_xyz_rgb(r) { - return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055)); - } - d3.rgb = d3_rgb; - function d3_rgb(r, g, b) { - return this instanceof d3_rgb ? void (this.r = ~~r, this.g = ~~g, this.b = ~~b) : arguments.length < 2 ? r instanceof d3_rgb ? new d3_rgb(r.r, r.g, r.b) : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb) : new d3_rgb(r, g, b); - } - function d3_rgbNumber(value) { - return new d3_rgb(value >> 16, value >> 8 & 255, value & 255); - } - function d3_rgbString(value) { - return d3_rgbNumber(value) + ""; - } - var d3_rgbPrototype = d3_rgb.prototype = new d3_color(); - d3_rgbPrototype.brighter = function(k) { - k = Math.pow(.7, arguments.length ? k : 1); - var r = this.r, g = this.g, b = this.b, i = 30; - if (!r && !g && !b) return new d3_rgb(i, i, i); - if (r && r < i) r = i; - if (g && g < i) g = i; - if (b && b < i) b = i; - return new d3_rgb(Math.min(255, r / k), Math.min(255, g / k), Math.min(255, b / k)); - }; - d3_rgbPrototype.darker = function(k) { - k = Math.pow(.7, arguments.length ? k : 1); - return new d3_rgb(k * this.r, k * this.g, k * this.b); - }; - d3_rgbPrototype.hsl = function() { - return d3_rgb_hsl(this.r, this.g, this.b); - }; - d3_rgbPrototype.toString = function() { - return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b); - }; - function d3_rgb_hex(v) { - return v < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16); - } - function d3_rgb_parse(format, rgb, hsl) { - var r = 0, g = 0, b = 0, m1, m2, color; - m1 = /([a-z]+)\((.*)\)/.exec(format = format.toLowerCase()); - if (m1) { - m2 = m1[2].split(","); - switch (m1[1]) { - case "hsl": - { - return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100); - } - - case "rgb": - { - return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2])); - } - } - } - if (color = d3_rgb_names.get(format)) { - return rgb(color.r, color.g, color.b); - } - if (format != null && format.charAt(0) === "#" && !isNaN(color = parseInt(format.slice(1), 16))) { - if (format.length === 4) { - r = (color & 3840) >> 4; - r = r >> 4 | r; - g = color & 240; - g = g >> 4 | g; - b = color & 15; - b = b << 4 | b; - } else if (format.length === 7) { - r = (color & 16711680) >> 16; - g = (color & 65280) >> 8; - b = color & 255; - } - } - return rgb(r, g, b); - } - function d3_rgb_hsl(r, g, b) { - var min = Math.min(r /= 255, g /= 255, b /= 255), max = Math.max(r, g, b), d = max - min, h, s, l = (max + min) / 2; - if (d) { - s = l < .5 ? d / (max + min) : d / (2 - max - min); - if (r == max) h = (g - b) / d + (g < b ? 6 : 0); else if (g == max) h = (b - r) / d + 2; else h = (r - g) / d + 4; - h *= 60; - } else { - h = NaN; - s = l > 0 && l < 1 ? 0 : h; - } - return new d3_hsl(h, s, l); - } - function d3_rgb_lab(r, g, b) { - r = d3_rgb_xyz(r); - g = d3_rgb_xyz(g); - b = d3_rgb_xyz(b); - var x = d3_xyz_lab((.4124564 * r + .3575761 * g + .1804375 * b) / d3_lab_X), y = d3_xyz_lab((.2126729 * r + .7151522 * g + .072175 * b) / d3_lab_Y), z = d3_xyz_lab((.0193339 * r + .119192 * g + .9503041 * b) / d3_lab_Z); - return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z)); - } - function d3_rgb_xyz(r) { - return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4); - } - function d3_rgb_parseNumber(c) { - var f = parseFloat(c); - return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f; - } - var d3_rgb_names = d3.map({ - aliceblue: 15792383, - antiquewhite: 16444375, - aqua: 65535, - aquamarine: 8388564, - azure: 15794175, - beige: 16119260, - bisque: 16770244, - black: 0, - blanchedalmond: 16772045, - blue: 255, - blueviolet: 9055202, - brown: 10824234, - burlywood: 14596231, - cadetblue: 6266528, - chartreuse: 8388352, - chocolate: 13789470, - coral: 16744272, - cornflowerblue: 6591981, - cornsilk: 16775388, - crimson: 14423100, - cyan: 65535, - darkblue: 139, - darkcyan: 35723, - darkgoldenrod: 12092939, - darkgray: 11119017, - darkgreen: 25600, - darkgrey: 11119017, - darkkhaki: 12433259, - darkmagenta: 9109643, - darkolivegreen: 5597999, - darkorange: 16747520, - darkorchid: 10040012, - darkred: 9109504, - darksalmon: 15308410, - darkseagreen: 9419919, - darkslateblue: 4734347, - darkslategray: 3100495, - darkslategrey: 3100495, - darkturquoise: 52945, - darkviolet: 9699539, - deeppink: 16716947, - deepskyblue: 49151, - dimgray: 6908265, - dimgrey: 6908265, - dodgerblue: 2003199, - firebrick: 11674146, - floralwhite: 16775920, - forestgreen: 2263842, - fuchsia: 16711935, - gainsboro: 14474460, - ghostwhite: 16316671, - gold: 16766720, - goldenrod: 14329120, - gray: 8421504, - green: 32768, - greenyellow: 11403055, - grey: 8421504, - honeydew: 15794160, - hotpink: 16738740, - indianred: 13458524, - indigo: 4915330, - ivory: 16777200, - khaki: 15787660, - lavender: 15132410, - lavenderblush: 16773365, - lawngreen: 8190976, - lemonchiffon: 16775885, - lightblue: 11393254, - lightcoral: 15761536, - lightcyan: 14745599, - lightgoldenrodyellow: 16448210, - lightgray: 13882323, - lightgreen: 9498256, - lightgrey: 13882323, - lightpink: 16758465, - lightsalmon: 16752762, - lightseagreen: 2142890, - lightskyblue: 8900346, - lightslategray: 7833753, - lightslategrey: 7833753, - lightsteelblue: 11584734, - lightyellow: 16777184, - lime: 65280, - limegreen: 3329330, - linen: 16445670, - magenta: 16711935, - maroon: 8388608, - mediumaquamarine: 6737322, - mediumblue: 205, - mediumorchid: 12211667, - mediumpurple: 9662683, - mediumseagreen: 3978097, - mediumslateblue: 8087790, - mediumspringgreen: 64154, - mediumturquoise: 4772300, - mediumvioletred: 13047173, - midnightblue: 1644912, - mintcream: 16121850, - mistyrose: 16770273, - moccasin: 16770229, - navajowhite: 16768685, - navy: 128, - oldlace: 16643558, - olive: 8421376, - olivedrab: 7048739, - orange: 16753920, - orangered: 16729344, - orchid: 14315734, - palegoldenrod: 15657130, - palegreen: 10025880, - paleturquoise: 11529966, - palevioletred: 14381203, - papayawhip: 16773077, - peachpuff: 16767673, - peru: 13468991, - pink: 16761035, - plum: 14524637, - powderblue: 11591910, - purple: 8388736, - rebeccapurple: 6697881, - red: 16711680, - rosybrown: 12357519, - royalblue: 4286945, - saddlebrown: 9127187, - salmon: 16416882, - sandybrown: 16032864, - seagreen: 3050327, - seashell: 16774638, - sienna: 10506797, - silver: 12632256, - skyblue: 8900331, - slateblue: 6970061, - slategray: 7372944, - slategrey: 7372944, - snow: 16775930, - springgreen: 65407, - steelblue: 4620980, - tan: 13808780, - teal: 32896, - thistle: 14204888, - tomato: 16737095, - turquoise: 4251856, - violet: 15631086, - wheat: 16113331, - white: 16777215, - whitesmoke: 16119285, - yellow: 16776960, - yellowgreen: 10145074 - }); - d3_rgb_names.forEach(function(key, value) { - d3_rgb_names.set(key, d3_rgbNumber(value)); - }); - function d3_functor(v) { - return typeof v === "function" ? v : function() { - return v; - }; - } - d3.functor = d3_functor; - d3.xhr = d3_xhrType(d3_identity); - function d3_xhrType(response) { - return function(url, mimeType, callback) { - if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType, - mimeType = null; - return d3_xhr(url, mimeType, response, callback); - }; - } - function d3_xhr(url, mimeType, response, callback) { - var xhr = {}, dispatch = d3.dispatch("beforesend", "progress", "load", "error"), headers = {}, request = new XMLHttpRequest(), responseType = null; - if (this.XDomainRequest && !("withCredentials" in request) && /^(http(s)?:)?\/\//.test(url)) request = new XDomainRequest(); - "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() { - request.readyState > 3 && respond(); - }; - function respond() { - var status = request.status, result; - if (!status && d3_xhrHasResponse(request) || status >= 200 && status < 300 || status === 304) { - try { - result = response.call(xhr, request); - } catch (e) { - dispatch.error.call(xhr, e); - return; - } - dispatch.load.call(xhr, result); - } else { - dispatch.error.call(xhr, request); - } - } - request.onprogress = function(event) { - var o = d3.event; - d3.event = event; - try { - dispatch.progress.call(xhr, request); - } finally { - d3.event = o; - } - }; - xhr.header = function(name, value) { - name = (name + "").toLowerCase(); - if (arguments.length < 2) return headers[name]; - if (value == null) delete headers[name]; else headers[name] = value + ""; - return xhr; - }; - xhr.mimeType = function(value) { - if (!arguments.length) return mimeType; - mimeType = value == null ? null : value + ""; - return xhr; - }; - xhr.responseType = function(value) { - if (!arguments.length) return responseType; - responseType = value; - return xhr; - }; - xhr.response = function(value) { - response = value; - return xhr; - }; - [ "get", "post" ].forEach(function(method) { - xhr[method] = function() { - return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments))); - }; - }); - xhr.send = function(method, data, callback) { - if (arguments.length === 2 && typeof data === "function") callback = data, data = null; - request.open(method, url, true); - if (mimeType != null && !("accept" in headers)) headers["accept"] = mimeType + ",*/*"; - if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]); - if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType); - if (responseType != null) request.responseType = responseType; - if (callback != null) xhr.on("error", callback).on("load", function(request) { - callback(null, request); - }); - dispatch.beforesend.call(xhr, request); - request.send(data == null ? null : data); - return xhr; - }; - xhr.abort = function() { - request.abort(); - return xhr; - }; - d3.rebind(xhr, dispatch, "on"); - return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback)); - } - function d3_xhr_fixCallback(callback) { - return callback.length === 1 ? function(error, request) { - callback(error == null ? request : null); - } : callback; - } - function d3_xhrHasResponse(request) { - var type = request.responseType; - return type && type !== "text" ? request.response : request.responseText; - } - d3.dsv = function(delimiter, mimeType) { - var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0); - function dsv(url, row, callback) { - if (arguments.length < 3) callback = row, row = null; - var xhr = d3_xhr(url, mimeType, row == null ? response : typedResponse(row), callback); - xhr.row = function(_) { - return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row; - }; - return xhr; - } - function response(request) { - return dsv.parse(request.responseText); - } - function typedResponse(f) { - return function(request) { - return dsv.parse(request.responseText, f); - }; - } - dsv.parse = function(text, f) { - var o; - return dsv.parseRows(text, function(row, i) { - if (o) return o(row, i - 1); - var a = new Function("d", "return {" + row.map(function(name, i) { - return JSON.stringify(name) + ": d[" + i + "]"; - }).join(",") + "}"); - o = f ? function(row, i) { - return f(a(row), i); - } : a; - }); - }; - dsv.parseRows = function(text, f) { - var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol; - function token() { - if (I >= N) return EOF; - if (eol) return eol = false, EOL; - var j = I; - if (text.charCodeAt(j) === 34) { - var i = j; - while (i++ < N) { - if (text.charCodeAt(i) === 34) { - if (text.charCodeAt(i + 1) !== 34) break; - ++i; - } - } - I = i + 2; - var c = text.charCodeAt(i + 1); - if (c === 13) { - eol = true; - if (text.charCodeAt(i + 2) === 10) ++I; - } else if (c === 10) { - eol = true; - } - return text.slice(j + 1, i).replace(/""/g, '"'); - } - while (I < N) { - var c = text.charCodeAt(I++), k = 1; - if (c === 10) eol = true; else if (c === 13) { - eol = true; - if (text.charCodeAt(I) === 10) ++I, ++k; - } else if (c !== delimiterCode) continue; - return text.slice(j, I - k); - } - return text.slice(j); - } - while ((t = token()) !== EOF) { - var a = []; - while (t !== EOL && t !== EOF) { - a.push(t); - t = token(); - } - if (f && (a = f(a, n++)) == null) continue; - rows.push(a); - } - return rows; - }; - dsv.format = function(rows) { - if (Array.isArray(rows[0])) return dsv.formatRows(rows); - var fieldSet = new d3_Set(), fields = []; - rows.forEach(function(row) { - for (var field in row) { - if (!fieldSet.has(field)) { - fields.push(fieldSet.add(field)); - } - } - }); - return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) { - return fields.map(function(field) { - return formatValue(row[field]); - }).join(delimiter); - })).join("\n"); - }; - dsv.formatRows = function(rows) { - return rows.map(formatRow).join("\n"); - }; - function formatRow(row) { - return row.map(formatValue).join(delimiter); - } - function formatValue(text) { - return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text; - } - return dsv; - }; - d3.csv = d3.dsv(",", "text/csv"); - d3.tsv = d3.dsv(" ", "text/tab-separated-values"); - var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_frame = this[d3_vendorSymbol(this, "requestAnimationFrame")] || function(callback) { - setTimeout(callback, 17); - }; - d3.timer = function() { - d3_timer.apply(this, arguments); - }; - function d3_timer(callback, delay, then) { - var n = arguments.length; - if (n < 2) delay = 0; - if (n < 3) then = Date.now(); - var time = then + delay, timer = { - c: callback, - t: time, - n: null - }; - if (d3_timer_queueTail) d3_timer_queueTail.n = timer; else d3_timer_queueHead = timer; - d3_timer_queueTail = timer; - if (!d3_timer_interval) { - d3_timer_timeout = clearTimeout(d3_timer_timeout); - d3_timer_interval = 1; - d3_timer_frame(d3_timer_step); - } - return timer; - } - function d3_timer_step() { - var now = d3_timer_mark(), delay = d3_timer_sweep() - now; - if (delay > 24) { - if (isFinite(delay)) { - clearTimeout(d3_timer_timeout); - d3_timer_timeout = setTimeout(d3_timer_step, delay); - } - d3_timer_interval = 0; - } else { - d3_timer_interval = 1; - d3_timer_frame(d3_timer_step); - } - } - d3.timer.flush = function() { - d3_timer_mark(); - d3_timer_sweep(); - }; - function d3_timer_mark() { - var now = Date.now(), timer = d3_timer_queueHead; - while (timer) { - if (now >= timer.t && timer.c(now - timer.t)) timer.c = null; - timer = timer.n; - } - return now; - } - function d3_timer_sweep() { - var t0, t1 = d3_timer_queueHead, time = Infinity; - while (t1) { - if (t1.c) { - if (t1.t < time) time = t1.t; - t1 = (t0 = t1).n; - } else { - t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n; - } - } - d3_timer_queueTail = t0; - return time; - } - function d3_format_precision(x, p) { - return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1); - } - d3.round = function(x, n) { - return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x); - }; - var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix); - d3.formatPrefix = function(value, precision) { - var i = 0; - if (value = +value) { - if (value < 0) value *= -1; - if (precision) value = d3.round(value, d3_format_precision(value, precision)); - i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10); - i = Math.max(-24, Math.min(24, Math.floor((i - 1) / 3) * 3)); - } - return d3_formatPrefixes[8 + i / 3]; - }; - function d3_formatPrefix(d, i) { - var k = Math.pow(10, abs(8 - i) * 3); - return { - scale: i > 8 ? function(d) { - return d / k; - } : function(d) { - return d * k; - }, - symbol: d - }; - } - function d3_locale_numberFormat(locale) { - var locale_decimal = locale.decimal, locale_thousands = locale.thousands, locale_grouping = locale.grouping, locale_currency = locale.currency, formatGroup = locale_grouping && locale_thousands ? function(value, width) { - var i = value.length, t = [], j = 0, g = locale_grouping[0], length = 0; - while (i > 0 && g > 0) { - if (length + g + 1 > width) g = Math.max(1, width - length); - t.push(value.substring(i -= g, i + g)); - if ((length += g + 1) > width) break; - g = locale_grouping[j = (j + 1) % locale_grouping.length]; - } - return t.reverse().join(locale_thousands); - } : d3_identity; - return function(specifier) { - var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "-", symbol = match[4] || "", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, prefix = "", suffix = "", integer = false, exponent = true; - if (precision) precision = +precision.substring(1); - if (zfill || fill === "0" && align === "=") { - zfill = fill = "0"; - align = "="; - } - switch (type) { - case "n": - comma = true; - type = "g"; - break; - - case "%": - scale = 100; - suffix = "%"; - type = "f"; - break; - - case "p": - scale = 100; - suffix = "%"; - type = "r"; - break; - - case "b": - case "o": - case "x": - case "X": - if (symbol === "#") prefix = "0" + type.toLowerCase(); - - case "c": - exponent = false; - - case "d": - integer = true; - precision = 0; - break; - - case "s": - scale = -1; - type = "r"; - break; - } - if (symbol === "$") prefix = locale_currency[0], suffix = locale_currency[1]; - if (type == "r" && !precision) type = "g"; - if (precision != null) { - if (type == "g") precision = Math.max(1, Math.min(21, precision)); else if (type == "e" || type == "f") precision = Math.max(0, Math.min(20, precision)); - } - type = d3_format_types.get(type) || d3_format_typeDefault; - var zcomma = zfill && comma; - return function(value) { - var fullSuffix = suffix; - if (integer && value % 1) return ""; - var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign === "-" ? "" : sign; - if (scale < 0) { - var unit = d3.formatPrefix(value, precision); - value = unit.scale(value); - fullSuffix = unit.symbol + suffix; - } else { - value *= scale; - } - value = type(value, precision); - var i = value.lastIndexOf("."), before, after; - if (i < 0) { - var j = exponent ? value.lastIndexOf("e") : -1; - if (j < 0) before = value, after = ""; else before = value.substring(0, j), after = value.substring(j); - } else { - before = value.substring(0, i); - after = locale_decimal + value.substring(i + 1); - } - if (!zfill && comma) before = formatGroup(before, Infinity); - var length = prefix.length + before.length + after.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : ""; - if (zcomma) before = formatGroup(padding + before, padding.length ? width - after.length : Infinity); - negative += prefix; - value = before + after; - return (align === "<" ? negative + value + padding : align === ">" ? padding + negative + value : align === "^" ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length) : negative + (zcomma ? value : padding + value)) + fullSuffix; - }; - }; - } - var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?([$#])?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i; - var d3_format_types = d3.map({ - b: function(x) { - return x.toString(2); - }, - c: function(x) { - return String.fromCharCode(x); - }, - o: function(x) { - return x.toString(8); - }, - x: function(x) { - return x.toString(16); - }, - X: function(x) { - return x.toString(16).toUpperCase(); - }, - g: function(x, p) { - return x.toPrecision(p); - }, - e: function(x, p) { - return x.toExponential(p); - }, - f: function(x, p) { - return x.toFixed(p); - }, - r: function(x, p) { - return (x = d3.round(x, d3_format_precision(x, p))).toFixed(Math.max(0, Math.min(20, d3_format_precision(x * (1 + 1e-15), p)))); - } - }); - function d3_format_typeDefault(x) { - return x + ""; - } - var d3_time = d3.time = {}, d3_date = Date; - function d3_date_utc() { - this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]); - } - d3_date_utc.prototype = { - getDate: function() { - return this._.getUTCDate(); - }, - getDay: function() { - return this._.getUTCDay(); - }, - getFullYear: function() { - return this._.getUTCFullYear(); - }, - getHours: function() { - return this._.getUTCHours(); - }, - getMilliseconds: function() { - return this._.getUTCMilliseconds(); - }, - getMinutes: function() { - return this._.getUTCMinutes(); - }, - getMonth: function() { - return this._.getUTCMonth(); - }, - getSeconds: function() { - return this._.getUTCSeconds(); - }, - getTime: function() { - return this._.getTime(); - }, - getTimezoneOffset: function() { - return 0; - }, - valueOf: function() { - return this._.valueOf(); - }, - setDate: function() { - d3_time_prototype.setUTCDate.apply(this._, arguments); - }, - setDay: function() { - d3_time_prototype.setUTCDay.apply(this._, arguments); - }, - setFullYear: function() { - d3_time_prototype.setUTCFullYear.apply(this._, arguments); - }, - setHours: function() { - d3_time_prototype.setUTCHours.apply(this._, arguments); - }, - setMilliseconds: function() { - d3_time_prototype.setUTCMilliseconds.apply(this._, arguments); - }, - setMinutes: function() { - d3_time_prototype.setUTCMinutes.apply(this._, arguments); - }, - setMonth: function() { - d3_time_prototype.setUTCMonth.apply(this._, arguments); - }, - setSeconds: function() { - d3_time_prototype.setUTCSeconds.apply(this._, arguments); - }, - setTime: function() { - d3_time_prototype.setTime.apply(this._, arguments); - } - }; - var d3_time_prototype = Date.prototype; - function d3_time_interval(local, step, number) { - function round(date) { - var d0 = local(date), d1 = offset(d0, 1); - return date - d0 < d1 - date ? d0 : d1; - } - function ceil(date) { - step(date = local(new d3_date(date - 1)), 1); - return date; - } - function offset(date, k) { - step(date = new d3_date(+date), k); - return date; - } - function range(t0, t1, dt) { - var time = ceil(t0), times = []; - if (dt > 1) { - while (time < t1) { - if (!(number(time) % dt)) times.push(new Date(+time)); - step(time, 1); - } - } else { - while (time < t1) times.push(new Date(+time)), step(time, 1); - } - return times; - } - function range_utc(t0, t1, dt) { - try { - d3_date = d3_date_utc; - var utc = new d3_date_utc(); - utc._ = t0; - return range(utc, t1, dt); - } finally { - d3_date = Date; - } - } - local.floor = local; - local.round = round; - local.ceil = ceil; - local.offset = offset; - local.range = range; - var utc = local.utc = d3_time_interval_utc(local); - utc.floor = utc; - utc.round = d3_time_interval_utc(round); - utc.ceil = d3_time_interval_utc(ceil); - utc.offset = d3_time_interval_utc(offset); - utc.range = range_utc; - return local; - } - function d3_time_interval_utc(method) { - return function(date, k) { - try { - d3_date = d3_date_utc; - var utc = new d3_date_utc(); - utc._ = date; - return method(utc, k)._; - } finally { - d3_date = Date; - } - }; - } - d3_time.year = d3_time_interval(function(date) { - date = d3_time.day(date); - date.setMonth(0, 1); - return date; - }, function(date, offset) { - date.setFullYear(date.getFullYear() + offset); - }, function(date) { - return date.getFullYear(); - }); - d3_time.years = d3_time.year.range; - d3_time.years.utc = d3_time.year.utc.range; - d3_time.day = d3_time_interval(function(date) { - var day = new d3_date(2e3, 0); - day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate()); - return day; - }, function(date, offset) { - date.setDate(date.getDate() + offset); - }, function(date) { - return date.getDate() - 1; - }); - d3_time.days = d3_time.day.range; - d3_time.days.utc = d3_time.day.utc.range; - d3_time.dayOfYear = function(date) { - var year = d3_time.year(date); - return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5); - }; - [ "sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday" ].forEach(function(day, i) { - i = 7 - i; - var interval = d3_time[day] = d3_time_interval(function(date) { - (date = d3_time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7); - return date; - }, function(date, offset) { - date.setDate(date.getDate() + Math.floor(offset) * 7); - }, function(date) { - var day = d3_time.year(date).getDay(); - return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i); - }); - d3_time[day + "s"] = interval.range; - d3_time[day + "s"].utc = interval.utc.range; - d3_time[day + "OfYear"] = function(date) { - var day = d3_time.year(date).getDay(); - return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7); - }; - }); - d3_time.week = d3_time.sunday; - d3_time.weeks = d3_time.sunday.range; - d3_time.weeks.utc = d3_time.sunday.utc.range; - d3_time.weekOfYear = d3_time.sundayOfYear; - function d3_locale_timeFormat(locale) { - var locale_dateTime = locale.dateTime, locale_date = locale.date, locale_time = locale.time, locale_periods = locale.periods, locale_days = locale.days, locale_shortDays = locale.shortDays, locale_months = locale.months, locale_shortMonths = locale.shortMonths; - function d3_time_format(template) { - var n = template.length; - function format(date) { - var string = [], i = -1, j = 0, c, p, f; - while (++i < n) { - if (template.charCodeAt(i) === 37) { - string.push(template.slice(j, i)); - if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i); - if (f = d3_time_formats[c]) c = f(date, p == null ? c === "e" ? " " : "0" : p); - string.push(c); - j = i + 1; - } - } - string.push(template.slice(j, i)); - return string.join(""); - } - format.parse = function(string) { - var d = { - y: 1900, - m: 0, - d: 1, - H: 0, - M: 0, - S: 0, - L: 0, - Z: null - }, i = d3_time_parse(d, template, string, 0); - if (i != string.length) return null; - if ("p" in d) d.H = d.H % 12 + d.p * 12; - var localZ = d.Z != null && d3_date !== d3_date_utc, date = new (localZ ? d3_date_utc : d3_date)(); - if ("j" in d) date.setFullYear(d.y, 0, d.j); else if ("W" in d || "U" in d) { - if (!("w" in d)) d.w = "W" in d ? 1 : 0; - date.setFullYear(d.y, 0, 1); - date.setFullYear(d.y, 0, "W" in d ? (d.w + 6) % 7 + d.W * 7 - (date.getDay() + 5) % 7 : d.w + d.U * 7 - (date.getDay() + 6) % 7); - } else date.setFullYear(d.y, d.m, d.d); - date.setHours(d.H + (d.Z / 100 | 0), d.M + d.Z % 100, d.S, d.L); - return localZ ? date._ : date; - }; - format.toString = function() { - return template; - }; - return format; - } - function d3_time_parse(date, template, string, j) { - var c, p, t, i = 0, n = template.length, m = string.length; - while (i < n) { - if (j >= m) return -1; - c = template.charCodeAt(i++); - if (c === 37) { - t = template.charAt(i++); - p = d3_time_parsers[t in d3_time_formatPads ? template.charAt(i++) : t]; - if (!p || (j = p(date, string, j)) < 0) return -1; - } else if (c != string.charCodeAt(j++)) { - return -1; - } - } - return j; - } - d3_time_format.utc = function(template) { - var local = d3_time_format(template); - function format(date) { - try { - d3_date = d3_date_utc; - var utc = new d3_date(); - utc._ = date; - return local(utc); - } finally { - d3_date = Date; - } - } - format.parse = function(string) { - try { - d3_date = d3_date_utc; - var date = local.parse(string); - return date && date._; - } finally { - d3_date = Date; - } - }; - format.toString = local.toString; - return format; - }; - d3_time_format.multi = d3_time_format.utc.multi = d3_time_formatMulti; - var d3_time_periodLookup = d3.map(), d3_time_dayRe = d3_time_formatRe(locale_days), d3_time_dayLookup = d3_time_formatLookup(locale_days), d3_time_dayAbbrevRe = d3_time_formatRe(locale_shortDays), d3_time_dayAbbrevLookup = d3_time_formatLookup(locale_shortDays), d3_time_monthRe = d3_time_formatRe(locale_months), d3_time_monthLookup = d3_time_formatLookup(locale_months), d3_time_monthAbbrevRe = d3_time_formatRe(locale_shortMonths), d3_time_monthAbbrevLookup = d3_time_formatLookup(locale_shortMonths); - locale_periods.forEach(function(p, i) { - d3_time_periodLookup.set(p.toLowerCase(), i); - }); - var d3_time_formats = { - a: function(d) { - return locale_shortDays[d.getDay()]; - }, - A: function(d) { - return locale_days[d.getDay()]; - }, - b: function(d) { - return locale_shortMonths[d.getMonth()]; - }, - B: function(d) { - return locale_months[d.getMonth()]; - }, - c: d3_time_format(locale_dateTime), - d: function(d, p) { - return d3_time_formatPad(d.getDate(), p, 2); - }, - e: function(d, p) { - return d3_time_formatPad(d.getDate(), p, 2); - }, - H: function(d, p) { - return d3_time_formatPad(d.getHours(), p, 2); - }, - I: function(d, p) { - return d3_time_formatPad(d.getHours() % 12 || 12, p, 2); - }, - j: function(d, p) { - return d3_time_formatPad(1 + d3_time.dayOfYear(d), p, 3); - }, - L: function(d, p) { - return d3_time_formatPad(d.getMilliseconds(), p, 3); - }, - m: function(d, p) { - return d3_time_formatPad(d.getMonth() + 1, p, 2); - }, - M: function(d, p) { - return d3_time_formatPad(d.getMinutes(), p, 2); - }, - p: function(d) { - return locale_periods[+(d.getHours() >= 12)]; - }, - S: function(d, p) { - return d3_time_formatPad(d.getSeconds(), p, 2); - }, - U: function(d, p) { - return d3_time_formatPad(d3_time.sundayOfYear(d), p, 2); - }, - w: function(d) { - return d.getDay(); - }, - W: function(d, p) { - return d3_time_formatPad(d3_time.mondayOfYear(d), p, 2); - }, - x: d3_time_format(locale_date), - X: d3_time_format(locale_time), - y: function(d, p) { - return d3_time_formatPad(d.getFullYear() % 100, p, 2); - }, - Y: function(d, p) { - return d3_time_formatPad(d.getFullYear() % 1e4, p, 4); - }, - Z: d3_time_zone, - "%": function() { - return "%"; - } - }; - var d3_time_parsers = { - a: d3_time_parseWeekdayAbbrev, - A: d3_time_parseWeekday, - b: d3_time_parseMonthAbbrev, - B: d3_time_parseMonth, - c: d3_time_parseLocaleFull, - d: d3_time_parseDay, - e: d3_time_parseDay, - H: d3_time_parseHour24, - I: d3_time_parseHour24, - j: d3_time_parseDayOfYear, - L: d3_time_parseMilliseconds, - m: d3_time_parseMonthNumber, - M: d3_time_parseMinutes, - p: d3_time_parseAmPm, - S: d3_time_parseSeconds, - U: d3_time_parseWeekNumberSunday, - w: d3_time_parseWeekdayNumber, - W: d3_time_parseWeekNumberMonday, - x: d3_time_parseLocaleDate, - X: d3_time_parseLocaleTime, - y: d3_time_parseYear, - Y: d3_time_parseFullYear, - Z: d3_time_parseZone, - "%": d3_time_parseLiteralPercent - }; - function d3_time_parseWeekdayAbbrev(date, string, i) { - d3_time_dayAbbrevRe.lastIndex = 0; - var n = d3_time_dayAbbrevRe.exec(string.slice(i)); - return n ? (date.w = d3_time_dayAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; - } - function d3_time_parseWeekday(date, string, i) { - d3_time_dayRe.lastIndex = 0; - var n = d3_time_dayRe.exec(string.slice(i)); - return n ? (date.w = d3_time_dayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; - } - function d3_time_parseMonthAbbrev(date, string, i) { - d3_time_monthAbbrevRe.lastIndex = 0; - var n = d3_time_monthAbbrevRe.exec(string.slice(i)); - return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; - } - function d3_time_parseMonth(date, string, i) { - d3_time_monthRe.lastIndex = 0; - var n = d3_time_monthRe.exec(string.slice(i)); - return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; - } - function d3_time_parseLocaleFull(date, string, i) { - return d3_time_parse(date, d3_time_formats.c.toString(), string, i); - } - function d3_time_parseLocaleDate(date, string, i) { - return d3_time_parse(date, d3_time_formats.x.toString(), string, i); - } - function d3_time_parseLocaleTime(date, string, i) { - return d3_time_parse(date, d3_time_formats.X.toString(), string, i); - } - function d3_time_parseAmPm(date, string, i) { - var n = d3_time_periodLookup.get(string.slice(i, i += 2).toLowerCase()); - return n == null ? -1 : (date.p = n, i); - } - return d3_time_format; - } - var d3_time_formatPads = { - "-": "", - _: " ", - "0": "0" - }, d3_time_numberRe = /^\s*\d+/, d3_time_percentRe = /^%/; - function d3_time_formatPad(value, fill, width) { - var sign = value < 0 ? "-" : "", string = (sign ? -value : value) + "", length = string.length; - return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); - } - function d3_time_formatRe(names) { - return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i"); - } - function d3_time_formatLookup(names) { - var map = new d3_Map(), i = -1, n = names.length; - while (++i < n) map.set(names[i].toLowerCase(), i); - return map; - } - function d3_time_parseWeekdayNumber(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 1)); - return n ? (date.w = +n[0], i + n[0].length) : -1; - } - function d3_time_parseWeekNumberSunday(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i)); - return n ? (date.U = +n[0], i + n[0].length) : -1; - } - function d3_time_parseWeekNumberMonday(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i)); - return n ? (date.W = +n[0], i + n[0].length) : -1; - } - function d3_time_parseFullYear(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 4)); - return n ? (date.y = +n[0], i + n[0].length) : -1; - } - function d3_time_parseYear(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 2)); - return n ? (date.y = d3_time_expandYear(+n[0]), i + n[0].length) : -1; - } - function d3_time_parseZone(date, string, i) { - return /^[+-]\d{4}$/.test(string = string.slice(i, i + 5)) ? (date.Z = -string, - i + 5) : -1; - } - function d3_time_expandYear(d) { - return d + (d > 68 ? 1900 : 2e3); - } - function d3_time_parseMonthNumber(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 2)); - return n ? (date.m = n[0] - 1, i + n[0].length) : -1; - } - function d3_time_parseDay(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 2)); - return n ? (date.d = +n[0], i + n[0].length) : -1; - } - function d3_time_parseDayOfYear(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 3)); - return n ? (date.j = +n[0], i + n[0].length) : -1; - } - function d3_time_parseHour24(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 2)); - return n ? (date.H = +n[0], i + n[0].length) : -1; - } - function d3_time_parseMinutes(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 2)); - return n ? (date.M = +n[0], i + n[0].length) : -1; - } - function d3_time_parseSeconds(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 2)); - return n ? (date.S = +n[0], i + n[0].length) : -1; - } - function d3_time_parseMilliseconds(date, string, i) { - d3_time_numberRe.lastIndex = 0; - var n = d3_time_numberRe.exec(string.slice(i, i + 3)); - return n ? (date.L = +n[0], i + n[0].length) : -1; - } - function d3_time_zone(d) { - var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = abs(z) / 60 | 0, zm = abs(z) % 60; - return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2); - } - function d3_time_parseLiteralPercent(date, string, i) { - d3_time_percentRe.lastIndex = 0; - var n = d3_time_percentRe.exec(string.slice(i, i + 1)); - return n ? i + n[0].length : -1; - } - function d3_time_formatMulti(formats) { - var n = formats.length, i = -1; - while (++i < n) formats[i][0] = this(formats[i][0]); - return function(date) { - var i = 0, f = formats[i]; - while (!f[1](date)) f = formats[++i]; - return f[0](date); - }; - } - d3.locale = function(locale) { - return { - numberFormat: d3_locale_numberFormat(locale), - timeFormat: d3_locale_timeFormat(locale) - }; - }; - var d3_locale_enUS = d3.locale({ - decimal: ".", - thousands: ",", - grouping: [ 3 ], - currency: [ "$", "" ], - dateTime: "%a %b %e %X %Y", - date: "%m/%d/%Y", - time: "%H:%M:%S", - periods: [ "AM", "PM" ], - days: [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ], - shortDays: [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ], - months: [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ], - shortMonths: [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ] - }); - d3.format = d3_locale_enUS.numberFormat; - d3.geo = {}; - function d3_adder() {} - d3_adder.prototype = { - s: 0, - t: 0, - add: function(y) { - d3_adderSum(y, this.t, d3_adderTemp); - d3_adderSum(d3_adderTemp.s, this.s, this); - if (this.s) this.t += d3_adderTemp.t; else this.s = d3_adderTemp.t; - }, - reset: function() { - this.s = this.t = 0; - }, - valueOf: function() { - return this.s; - } - }; - var d3_adderTemp = new d3_adder(); - function d3_adderSum(a, b, o) { - var x = o.s = a + b, bv = x - a, av = x - bv; - o.t = a - av + (b - bv); - } - d3.geo.stream = function(object, listener) { - if (object && d3_geo_streamObjectType.hasOwnProperty(object.type)) { - d3_geo_streamObjectType[object.type](object, listener); - } else { - d3_geo_streamGeometry(object, listener); - } - }; - function d3_geo_streamGeometry(geometry, listener) { - if (geometry && d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) { - d3_geo_streamGeometryType[geometry.type](geometry, listener); - } - } - var d3_geo_streamObjectType = { - Feature: function(feature, listener) { - d3_geo_streamGeometry(feature.geometry, listener); - }, - FeatureCollection: function(object, listener) { - var features = object.features, i = -1, n = features.length; - while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener); - } - }; - var d3_geo_streamGeometryType = { - Sphere: function(object, listener) { - listener.sphere(); - }, - Point: function(object, listener) { - object = object.coordinates; - listener.point(object[0], object[1], object[2]); - }, - MultiPoint: function(object, listener) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) object = coordinates[i], listener.point(object[0], object[1], object[2]); - }, - LineString: function(object, listener) { - d3_geo_streamLine(object.coordinates, listener, 0); - }, - MultiLineString: function(object, listener) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0); - }, - Polygon: function(object, listener) { - d3_geo_streamPolygon(object.coordinates, listener); - }, - MultiPolygon: function(object, listener) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) d3_geo_streamPolygon(coordinates[i], listener); - }, - GeometryCollection: function(object, listener) { - var geometries = object.geometries, i = -1, n = geometries.length; - while (++i < n) d3_geo_streamGeometry(geometries[i], listener); - } - }; - function d3_geo_streamLine(coordinates, listener, closed) { - var i = -1, n = coordinates.length - closed, coordinate; - listener.lineStart(); - while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1], coordinate[2]); - listener.lineEnd(); - } - function d3_geo_streamPolygon(coordinates, listener) { - var i = -1, n = coordinates.length; - listener.polygonStart(); - while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1); - listener.polygonEnd(); - } - d3.geo.area = function(object) { - d3_geo_areaSum = 0; - d3.geo.stream(object, d3_geo_area); - return d3_geo_areaSum; - }; - var d3_geo_areaSum, d3_geo_areaRingSum = new d3_adder(); - var d3_geo_area = { - sphere: function() { - d3_geo_areaSum += 4 * π; - }, - point: d3_noop, - lineStart: d3_noop, - lineEnd: d3_noop, - polygonStart: function() { - d3_geo_areaRingSum.reset(); - d3_geo_area.lineStart = d3_geo_areaRingStart; - }, - polygonEnd: function() { - var area = 2 * d3_geo_areaRingSum; - d3_geo_areaSum += area < 0 ? 4 * π + area : area; - d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop; - } - }; - function d3_geo_areaRingStart() { - var λ00, φ00, λ0, cosφ0, sinφ0; - d3_geo_area.point = function(λ, φ) { - d3_geo_area.point = nextPoint; - λ0 = (λ00 = λ) * d3_radians, cosφ0 = Math.cos(φ = (φ00 = φ) * d3_radians / 2 + π / 4), - sinφ0 = Math.sin(φ); - }; - function nextPoint(λ, φ) { - λ *= d3_radians; - φ = φ * d3_radians / 2 + π / 4; - var dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u = cosφ0 * cosφ + k * Math.cos(adλ), v = k * sdλ * Math.sin(adλ); - d3_geo_areaRingSum.add(Math.atan2(v, u)); - λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ; - } - d3_geo_area.lineEnd = function() { - nextPoint(λ00, φ00); - }; - } - function d3_geo_cartesian(spherical) { - var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ); - return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ]; - } - function d3_geo_cartesianDot(a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; - } - function d3_geo_cartesianCross(a, b) { - return [ a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0] ]; - } - function d3_geo_cartesianAdd(a, b) { - a[0] += b[0]; - a[1] += b[1]; - a[2] += b[2]; - } - function d3_geo_cartesianScale(vector, k) { - return [ vector[0] * k, vector[1] * k, vector[2] * k ]; - } - function d3_geo_cartesianNormalize(d) { - var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); - d[0] /= l; - d[1] /= l; - d[2] /= l; - } - function d3_geo_spherical(cartesian) { - return [ Math.atan2(cartesian[1], cartesian[0]), d3_asin(cartesian[2]) ]; - } - function d3_geo_sphericalEqual(a, b) { - return abs(a[0] - b[0]) < ε && abs(a[1] - b[1]) < ε; - } - d3.geo.bounds = function() { - var λ0, φ0, λ1, φ1, λ_, λ__, φ__, p0, dλSum, ranges, range; - var bound = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - bound.point = ringPoint; - bound.lineStart = ringStart; - bound.lineEnd = ringEnd; - dλSum = 0; - d3_geo_area.polygonStart(); - }, - polygonEnd: function() { - d3_geo_area.polygonEnd(); - bound.point = point; - bound.lineStart = lineStart; - bound.lineEnd = lineEnd; - if (d3_geo_areaRingSum < 0) λ0 = -(λ1 = 180), φ0 = -(φ1 = 90); else if (dλSum > ε) φ1 = 90; else if (dλSum < -ε) φ0 = -90; - range[0] = λ0, range[1] = λ1; - } - }; - function point(λ, φ) { - ranges.push(range = [ λ0 = λ, λ1 = λ ]); - if (φ < φ0) φ0 = φ; - if (φ > φ1) φ1 = φ; - } - function linePoint(λ, φ) { - var p = d3_geo_cartesian([ λ * d3_radians, φ * d3_radians ]); - if (p0) { - var normal = d3_geo_cartesianCross(p0, p), equatorial = [ normal[1], -normal[0], 0 ], inflection = d3_geo_cartesianCross(equatorial, normal); - d3_geo_cartesianNormalize(inflection); - inflection = d3_geo_spherical(inflection); - var dλ = λ - λ_, s = dλ > 0 ? 1 : -1, λi = inflection[0] * d3_degrees * s, antimeridian = abs(dλ) > 180; - if (antimeridian ^ (s * λ_ < λi && λi < s * λ)) { - var φi = inflection[1] * d3_degrees; - if (φi > φ1) φ1 = φi; - } else if (λi = (λi + 360) % 360 - 180, antimeridian ^ (s * λ_ < λi && λi < s * λ)) { - var φi = -inflection[1] * d3_degrees; - if (φi < φ0) φ0 = φi; - } else { - if (φ < φ0) φ0 = φ; - if (φ > φ1) φ1 = φ; - } - if (antimeridian) { - if (λ < λ_) { - if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ; - } else { - if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ; - } - } else { - if (λ1 >= λ0) { - if (λ < λ0) λ0 = λ; - if (λ > λ1) λ1 = λ; - } else { - if (λ > λ_) { - if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ; - } else { - if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ; - } - } - } - } else { - point(λ, φ); - } - p0 = p, λ_ = λ; - } - function lineStart() { - bound.point = linePoint; - } - function lineEnd() { - range[0] = λ0, range[1] = λ1; - bound.point = point; - p0 = null; - } - function ringPoint(λ, φ) { - if (p0) { - var dλ = λ - λ_; - dλSum += abs(dλ) > 180 ? dλ + (dλ > 0 ? 360 : -360) : dλ; - } else λ__ = λ, φ__ = φ; - d3_geo_area.point(λ, φ); - linePoint(λ, φ); - } - function ringStart() { - d3_geo_area.lineStart(); - } - function ringEnd() { - ringPoint(λ__, φ__); - d3_geo_area.lineEnd(); - if (abs(dλSum) > ε) λ0 = -(λ1 = 180); - range[0] = λ0, range[1] = λ1; - p0 = null; - } - function angle(λ0, λ1) { - return (λ1 -= λ0) < 0 ? λ1 + 360 : λ1; - } - function compareRanges(a, b) { - return a[0] - b[0]; - } - function withinRange(x, range) { - return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; - } - return function(feature) { - φ1 = λ1 = -(λ0 = φ0 = Infinity); - ranges = []; - d3.geo.stream(feature, bound); - var n = ranges.length; - if (n) { - ranges.sort(compareRanges); - for (var i = 1, a = ranges[0], b, merged = [ a ]; i < n; ++i) { - b = ranges[i]; - if (withinRange(b[0], a) || withinRange(b[1], a)) { - if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; - if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; - } else { - merged.push(a = b); - } - } - var best = -Infinity, dλ; - for (var n = merged.length - 1, i = 0, a = merged[n], b; i <= n; a = b, ++i) { - b = merged[i]; - if ((dλ = angle(a[1], b[0])) > best) best = dλ, λ0 = b[0], λ1 = a[1]; - } - } - ranges = range = null; - return λ0 === Infinity || φ0 === Infinity ? [ [ NaN, NaN ], [ NaN, NaN ] ] : [ [ λ0, φ0 ], [ λ1, φ1 ] ]; - }; - }(); - d3.geo.centroid = function(object) { - d3_geo_centroidW0 = d3_geo_centroidW1 = d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0; - d3.geo.stream(object, d3_geo_centroid); - var x = d3_geo_centroidX2, y = d3_geo_centroidY2, z = d3_geo_centroidZ2, m = x * x + y * y + z * z; - if (m < ε2) { - x = d3_geo_centroidX1, y = d3_geo_centroidY1, z = d3_geo_centroidZ1; - if (d3_geo_centroidW1 < ε) x = d3_geo_centroidX0, y = d3_geo_centroidY0, z = d3_geo_centroidZ0; - m = x * x + y * y + z * z; - if (m < ε2) return [ NaN, NaN ]; - } - return [ Math.atan2(y, x) * d3_degrees, d3_asin(z / Math.sqrt(m)) * d3_degrees ]; - }; - var d3_geo_centroidW0, d3_geo_centroidW1, d3_geo_centroidX0, d3_geo_centroidY0, d3_geo_centroidZ0, d3_geo_centroidX1, d3_geo_centroidY1, d3_geo_centroidZ1, d3_geo_centroidX2, d3_geo_centroidY2, d3_geo_centroidZ2; - var d3_geo_centroid = { - sphere: d3_noop, - point: d3_geo_centroidPoint, - lineStart: d3_geo_centroidLineStart, - lineEnd: d3_geo_centroidLineEnd, - polygonStart: function() { - d3_geo_centroid.lineStart = d3_geo_centroidRingStart; - }, - polygonEnd: function() { - d3_geo_centroid.lineStart = d3_geo_centroidLineStart; - } - }; - function d3_geo_centroidPoint(λ, φ) { - λ *= d3_radians; - var cosφ = Math.cos(φ *= d3_radians); - d3_geo_centroidPointXYZ(cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ)); - } - function d3_geo_centroidPointXYZ(x, y, z) { - ++d3_geo_centroidW0; - d3_geo_centroidX0 += (x - d3_geo_centroidX0) / d3_geo_centroidW0; - d3_geo_centroidY0 += (y - d3_geo_centroidY0) / d3_geo_centroidW0; - d3_geo_centroidZ0 += (z - d3_geo_centroidZ0) / d3_geo_centroidW0; - } - function d3_geo_centroidLineStart() { - var x0, y0, z0; - d3_geo_centroid.point = function(λ, φ) { - λ *= d3_radians; - var cosφ = Math.cos(φ *= d3_radians); - x0 = cosφ * Math.cos(λ); - y0 = cosφ * Math.sin(λ); - z0 = Math.sin(φ); - d3_geo_centroid.point = nextPoint; - d3_geo_centroidPointXYZ(x0, y0, z0); - }; - function nextPoint(λ, φ) { - λ *= d3_radians; - var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), w = Math.atan2(Math.sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); - d3_geo_centroidW1 += w; - d3_geo_centroidX1 += w * (x0 + (x0 = x)); - d3_geo_centroidY1 += w * (y0 + (y0 = y)); - d3_geo_centroidZ1 += w * (z0 + (z0 = z)); - d3_geo_centroidPointXYZ(x0, y0, z0); - } - } - function d3_geo_centroidLineEnd() { - d3_geo_centroid.point = d3_geo_centroidPoint; - } - function d3_geo_centroidRingStart() { - var λ00, φ00, x0, y0, z0; - d3_geo_centroid.point = function(λ, φ) { - λ00 = λ, φ00 = φ; - d3_geo_centroid.point = nextPoint; - λ *= d3_radians; - var cosφ = Math.cos(φ *= d3_radians); - x0 = cosφ * Math.cos(λ); - y0 = cosφ * Math.sin(λ); - z0 = Math.sin(φ); - d3_geo_centroidPointXYZ(x0, y0, z0); - }; - d3_geo_centroid.lineEnd = function() { - nextPoint(λ00, φ00); - d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd; - d3_geo_centroid.point = d3_geo_centroidPoint; - }; - function nextPoint(λ, φ) { - λ *= d3_radians; - var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), cx = y0 * z - z0 * y, cy = z0 * x - x0 * z, cz = x0 * y - y0 * x, m = Math.sqrt(cx * cx + cy * cy + cz * cz), u = x0 * x + y0 * y + z0 * z, v = m && -d3_acos(u) / m, w = Math.atan2(m, u); - d3_geo_centroidX2 += v * cx; - d3_geo_centroidY2 += v * cy; - d3_geo_centroidZ2 += v * cz; - d3_geo_centroidW1 += w; - d3_geo_centroidX1 += w * (x0 + (x0 = x)); - d3_geo_centroidY1 += w * (y0 + (y0 = y)); - d3_geo_centroidZ1 += w * (z0 + (z0 = z)); - d3_geo_centroidPointXYZ(x0, y0, z0); - } - } - function d3_geo_compose(a, b) { - function compose(x, y) { - return x = a(x, y), b(x[0], x[1]); - } - if (a.invert && b.invert) compose.invert = function(x, y) { - return x = b.invert(x, y), x && a.invert(x[0], x[1]); - }; - return compose; - } - function d3_true() { - return true; - } - function d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener) { - var subject = [], clip = []; - segments.forEach(function(segment) { - if ((n = segment.length - 1) <= 0) return; - var n, p0 = segment[0], p1 = segment[n]; - if (d3_geo_sphericalEqual(p0, p1)) { - listener.lineStart(); - for (var i = 0; i < n; ++i) listener.point((p0 = segment[i])[0], p0[1]); - listener.lineEnd(); - return; - } - var a = new d3_geo_clipPolygonIntersection(p0, segment, null, true), b = new d3_geo_clipPolygonIntersection(p0, null, a, false); - a.o = b; - subject.push(a); - clip.push(b); - a = new d3_geo_clipPolygonIntersection(p1, segment, null, false); - b = new d3_geo_clipPolygonIntersection(p1, null, a, true); - a.o = b; - subject.push(a); - clip.push(b); - }); - clip.sort(compare); - d3_geo_clipPolygonLinkCircular(subject); - d3_geo_clipPolygonLinkCircular(clip); - if (!subject.length) return; - for (var i = 0, entry = clipStartInside, n = clip.length; i < n; ++i) { - clip[i].e = entry = !entry; - } - var start = subject[0], points, point; - while (1) { - var current = start, isSubject = true; - while (current.v) if ((current = current.n) === start) return; - points = current.z; - listener.lineStart(); - do { - current.v = current.o.v = true; - if (current.e) { - if (isSubject) { - for (var i = 0, n = points.length; i < n; ++i) listener.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.n.x, 1, listener); - } - current = current.n; - } else { - if (isSubject) { - points = current.p.z; - for (var i = points.length - 1; i >= 0; --i) listener.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.p.x, -1, listener); - } - current = current.p; - } - current = current.o; - points = current.z; - isSubject = !isSubject; - } while (!current.v); - listener.lineEnd(); - } - } - function d3_geo_clipPolygonLinkCircular(array) { - if (!(n = array.length)) return; - var n, i = 0, a = array[0], b; - while (++i < n) { - a.n = b = array[i]; - b.p = a; - a = b; - } - a.n = b = array[0]; - b.p = a; - } - function d3_geo_clipPolygonIntersection(point, points, other, entry) { - this.x = point; - this.z = points; - this.o = other; - this.e = entry; - this.v = false; - this.n = this.p = null; - } - function d3_geo_clip(pointVisible, clipLine, interpolate, clipStart) { - return function(rotate, listener) { - var line = clipLine(listener), rotatedClipStart = rotate.invert(clipStart[0], clipStart[1]); - var clip = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - clip.point = pointRing; - clip.lineStart = ringStart; - clip.lineEnd = ringEnd; - segments = []; - polygon = []; - }, - polygonEnd: function() { - clip.point = point; - clip.lineStart = lineStart; - clip.lineEnd = lineEnd; - segments = d3.merge(segments); - var clipStartInside = d3_geo_pointInPolygon(rotatedClipStart, polygon); - if (segments.length) { - if (!polygonStarted) listener.polygonStart(), polygonStarted = true; - d3_geo_clipPolygon(segments, d3_geo_clipSort, clipStartInside, interpolate, listener); - } else if (clipStartInside) { - if (!polygonStarted) listener.polygonStart(), polygonStarted = true; - listener.lineStart(); - interpolate(null, null, 1, listener); - listener.lineEnd(); - } - if (polygonStarted) listener.polygonEnd(), polygonStarted = false; - segments = polygon = null; - }, - sphere: function() { - listener.polygonStart(); - listener.lineStart(); - interpolate(null, null, 1, listener); - listener.lineEnd(); - listener.polygonEnd(); - } - }; - function point(λ, φ) { - var point = rotate(λ, φ); - if (pointVisible(λ = point[0], φ = point[1])) listener.point(λ, φ); - } - function pointLine(λ, φ) { - var point = rotate(λ, φ); - line.point(point[0], point[1]); - } - function lineStart() { - clip.point = pointLine; - line.lineStart(); - } - function lineEnd() { - clip.point = point; - line.lineEnd(); - } - var segments; - var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), polygonStarted = false, polygon, ring; - function pointRing(λ, φ) { - ring.push([ λ, φ ]); - var point = rotate(λ, φ); - ringListener.point(point[0], point[1]); - } - function ringStart() { - ringListener.lineStart(); - ring = []; - } - function ringEnd() { - pointRing(ring[0][0], ring[0][1]); - ringListener.lineEnd(); - var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length; - ring.pop(); - polygon.push(ring); - ring = null; - if (!n) return; - if (clean & 1) { - segment = ringSegments[0]; - var n = segment.length - 1, i = -1, point; - if (n > 0) { - if (!polygonStarted) listener.polygonStart(), polygonStarted = true; - listener.lineStart(); - while (++i < n) listener.point((point = segment[i])[0], point[1]); - listener.lineEnd(); - } - return; - } - if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); - segments.push(ringSegments.filter(d3_geo_clipSegmentLength1)); - } - return clip; - }; - } - function d3_geo_clipSegmentLength1(segment) { - return segment.length > 1; - } - function d3_geo_clipBufferListener() { - var lines = [], line; - return { - lineStart: function() { - lines.push(line = []); - }, - point: function(λ, φ) { - line.push([ λ, φ ]); - }, - lineEnd: d3_noop, - buffer: function() { - var buffer = lines; - lines = []; - line = null; - return buffer; - }, - rejoin: function() { - if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); - } - }; - } - function d3_geo_clipSort(a, b) { - return ((a = a.x)[0] < 0 ? a[1] - halfπ - ε : halfπ - a[1]) - ((b = b.x)[0] < 0 ? b[1] - halfπ - ε : halfπ - b[1]); - } - var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate, [ -π, -π / 2 ]); - function d3_geo_clipAntimeridianLine(listener) { - var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean; - return { - lineStart: function() { - listener.lineStart(); - clean = 1; - }, - point: function(λ1, φ1) { - var sλ1 = λ1 > 0 ? π : -π, dλ = abs(λ1 - λ0); - if (abs(dλ - π) < ε) { - listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? halfπ : -halfπ); - listener.point(sλ0, φ0); - listener.lineEnd(); - listener.lineStart(); - listener.point(sλ1, φ0); - listener.point(λ1, φ0); - clean = 0; - } else if (sλ0 !== sλ1 && dλ >= π) { - if (abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε; - if (abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε; - φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1); - listener.point(sλ0, φ0); - listener.lineEnd(); - listener.lineStart(); - listener.point(sλ1, φ0); - clean = 0; - } - listener.point(λ0 = λ1, φ0 = φ1); - sλ0 = sλ1; - }, - lineEnd: function() { - listener.lineEnd(); - λ0 = φ0 = NaN; - }, - clean: function() { - return 2 - clean; - } - }; - } - function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) { - var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1); - return abs(sinλ0_λ1) > ε ? Math.atan((Math.sin(φ0) * (cosφ1 = Math.cos(φ1)) * Math.sin(λ1) - Math.sin(φ1) * (cosφ0 = Math.cos(φ0)) * Math.sin(λ0)) / (cosφ0 * cosφ1 * sinλ0_λ1)) : (φ0 + φ1) / 2; - } - function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) { - var φ; - if (from == null) { - φ = direction * halfπ; - listener.point(-π, φ); - listener.point(0, φ); - listener.point(π, φ); - listener.point(π, 0); - listener.point(π, -φ); - listener.point(0, -φ); - listener.point(-π, -φ); - listener.point(-π, 0); - listener.point(-π, φ); - } else if (abs(from[0] - to[0]) > ε) { - var s = from[0] < to[0] ? π : -π; - φ = direction * s / 2; - listener.point(-s, φ); - listener.point(0, φ); - listener.point(s, φ); - } else { - listener.point(to[0], to[1]); - } - } - function d3_geo_pointInPolygon(point, polygon) { - var meridian = point[0], parallel = point[1], meridianNormal = [ Math.sin(meridian), -Math.cos(meridian), 0 ], polarAngle = 0, winding = 0; - d3_geo_areaRingSum.reset(); - for (var i = 0, n = polygon.length; i < n; ++i) { - var ring = polygon[i], m = ring.length; - if (!m) continue; - var point0 = ring[0], λ0 = point0[0], φ0 = point0[1] / 2 + π / 4, sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), j = 1; - while (true) { - if (j === m) j = 0; - point = ring[j]; - var λ = point[0], φ = point[1] / 2 + π / 4, sinφ = Math.sin(φ), cosφ = Math.cos(φ), dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, antimeridian = adλ > π, k = sinφ0 * sinφ; - d3_geo_areaRingSum.add(Math.atan2(k * sdλ * Math.sin(adλ), cosφ0 * cosφ + k * Math.cos(adλ))); - polarAngle += antimeridian ? dλ + sdλ * τ : dλ; - if (antimeridian ^ λ0 >= meridian ^ λ >= meridian) { - var arc = d3_geo_cartesianCross(d3_geo_cartesian(point0), d3_geo_cartesian(point)); - d3_geo_cartesianNormalize(arc); - var intersection = d3_geo_cartesianCross(meridianNormal, arc); - d3_geo_cartesianNormalize(intersection); - var φarc = (antimeridian ^ dλ >= 0 ? -1 : 1) * d3_asin(intersection[2]); - if (parallel > φarc || parallel === φarc && (arc[0] || arc[1])) { - winding += antimeridian ^ dλ >= 0 ? 1 : -1; - } - } - if (!j++) break; - λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ, point0 = point; - } - } - return (polarAngle < -ε || polarAngle < ε && d3_geo_areaRingSum < -ε) ^ winding & 1; - } - function d3_geo_clipCircle(radius) { - var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians); - return d3_geo_clip(visible, clipLine, interpolate, smallRadius ? [ 0, -radius ] : [ -π, radius - π ]); - function visible(λ, φ) { - return Math.cos(λ) * Math.cos(φ) > cr; - } - function clipLine(listener) { - var point0, c0, v0, v00, clean; - return { - lineStart: function() { - v00 = v0 = false; - clean = 1; - }, - point: function(λ, φ) { - var point1 = [ λ, φ ], point2, v = visible(λ, φ), c = smallRadius ? v ? 0 : code(λ, φ) : v ? code(λ + (λ < 0 ? π : -π), φ) : 0; - if (!point0 && (v00 = v0 = v)) listener.lineStart(); - if (v !== v0) { - point2 = intersect(point0, point1); - if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) { - point1[0] += ε; - point1[1] += ε; - v = visible(point1[0], point1[1]); - } - } - if (v !== v0) { - clean = 0; - if (v) { - listener.lineStart(); - point2 = intersect(point1, point0); - listener.point(point2[0], point2[1]); - } else { - point2 = intersect(point0, point1); - listener.point(point2[0], point2[1]); - listener.lineEnd(); - } - point0 = point2; - } else if (notHemisphere && point0 && smallRadius ^ v) { - var t; - if (!(c & c0) && (t = intersect(point1, point0, true))) { - clean = 0; - if (smallRadius) { - listener.lineStart(); - listener.point(t[0][0], t[0][1]); - listener.point(t[1][0], t[1][1]); - listener.lineEnd(); - } else { - listener.point(t[1][0], t[1][1]); - listener.lineEnd(); - listener.lineStart(); - listener.point(t[0][0], t[0][1]); - } - } - } - if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) { - listener.point(point1[0], point1[1]); - } - point0 = point1, v0 = v, c0 = c; - }, - lineEnd: function() { - if (v0) listener.lineEnd(); - point0 = null; - }, - clean: function() { - return clean | (v00 && v0) << 1; - } - }; - } - function intersect(a, b, two) { - var pa = d3_geo_cartesian(a), pb = d3_geo_cartesian(b); - var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2; - if (!determinant) return !two && a; - var c1 = cr * n2n2 / determinant, c2 = -cr * n1n2 / determinant, n1xn2 = d3_geo_cartesianCross(n1, n2), A = d3_geo_cartesianScale(n1, c1), B = d3_geo_cartesianScale(n2, c2); - d3_geo_cartesianAdd(A, B); - var u = n1xn2, w = d3_geo_cartesianDot(A, u), uu = d3_geo_cartesianDot(u, u), t2 = w * w - uu * (d3_geo_cartesianDot(A, A) - 1); - if (t2 < 0) return; - var t = Math.sqrt(t2), q = d3_geo_cartesianScale(u, (-w - t) / uu); - d3_geo_cartesianAdd(q, A); - q = d3_geo_spherical(q); - if (!two) return q; - var λ0 = a[0], λ1 = b[0], φ0 = a[1], φ1 = b[1], z; - if (λ1 < λ0) z = λ0, λ0 = λ1, λ1 = z; - var δλ = λ1 - λ0, polar = abs(δλ - π) < ε, meridian = polar || δλ < ε; - if (!polar && φ1 < φ0) z = φ0, φ0 = φ1, φ1 = z; - if (meridian ? polar ? φ0 + φ1 > 0 ^ q[1] < (abs(q[0] - λ0) < ε ? φ0 : φ1) : φ0 <= q[1] && q[1] <= φ1 : δλ > π ^ (λ0 <= q[0] && q[0] <= λ1)) { - var q1 = d3_geo_cartesianScale(u, (-w + t) / uu); - d3_geo_cartesianAdd(q1, A); - return [ q, d3_geo_spherical(q1) ]; - } - } - function code(λ, φ) { - var r = smallRadius ? radius : π - radius, code = 0; - if (λ < -r) code |= 1; else if (λ > r) code |= 2; - if (φ < -r) code |= 4; else if (φ > r) code |= 8; - return code; - } - } - function d3_geom_clipLine(x0, y0, x1, y1) { - return function(line) { - var a = line.a, b = line.b, ax = a.x, ay = a.y, bx = b.x, by = b.y, t0 = 0, t1 = 1, dx = bx - ax, dy = by - ay, r; - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - if (t0 > 0) line.a = { - x: ax + t0 * dx, - y: ay + t0 * dy - }; - if (t1 < 1) line.b = { - x: ax + t1 * dx, - y: ay + t1 * dy - }; - return line; - }; - } - var d3_geo_clipExtentMAX = 1e9; - d3.geo.clipExtent = function() { - var x0, y0, x1, y1, stream, clip, clipExtent = { - stream: function(output) { - if (stream) stream.valid = false; - stream = clip(output); - stream.valid = true; - return stream; - }, - extent: function(_) { - if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ]; - clip = d3_geo_clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]); - if (stream) stream.valid = false, stream = null; - return clipExtent; - } - }; - return clipExtent.extent([ [ 0, 0 ], [ 960, 500 ] ]); - }; - function d3_geo_clipExtent(x0, y0, x1, y1) { - return function(listener) { - var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), clipLine = d3_geom_clipLine(x0, y0, x1, y1), segments, polygon, ring; - var clip = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - listener = bufferListener; - segments = []; - polygon = []; - clean = true; - }, - polygonEnd: function() { - listener = listener_; - segments = d3.merge(segments); - var clipStartInside = insidePolygon([ x0, y1 ]), inside = clean && clipStartInside, visible = segments.length; - if (inside || visible) { - listener.polygonStart(); - if (inside) { - listener.lineStart(); - interpolate(null, null, 1, listener); - listener.lineEnd(); - } - if (visible) { - d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener); - } - listener.polygonEnd(); - } - segments = polygon = ring = null; - } - }; - function insidePolygon(p) { - var wn = 0, n = polygon.length, y = p[1]; - for (var i = 0; i < n; ++i) { - for (var j = 1, v = polygon[i], m = v.length, a = v[0], b; j < m; ++j) { - b = v[j]; - if (a[1] <= y) { - if (b[1] > y && d3_cross2d(a, b, p) > 0) ++wn; - } else { - if (b[1] <= y && d3_cross2d(a, b, p) < 0) --wn; - } - a = b; - } - } - return wn !== 0; - } - function interpolate(from, to, direction, listener) { - var a = 0, a1 = 0; - if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoints(from, to) < 0 ^ direction > 0) { - do { - listener.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); - } while ((a = (a + direction + 4) % 4) !== a1); - } else { - listener.point(to[0], to[1]); - } - } - function pointVisible(x, y) { - return x0 <= x && x <= x1 && y0 <= y && y <= y1; - } - function point(x, y) { - if (pointVisible(x, y)) listener.point(x, y); - } - var x__, y__, v__, x_, y_, v_, first, clean; - function lineStart() { - clip.point = linePoint; - if (polygon) polygon.push(ring = []); - first = true; - v_ = false; - x_ = y_ = NaN; - } - function lineEnd() { - if (segments) { - linePoint(x__, y__); - if (v__ && v_) bufferListener.rejoin(); - segments.push(bufferListener.buffer()); - } - clip.point = point; - if (v_) listener.lineEnd(); - } - function linePoint(x, y) { - x = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, x)); - y = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, y)); - var v = pointVisible(x, y); - if (polygon) ring.push([ x, y ]); - if (first) { - x__ = x, y__ = y, v__ = v; - first = false; - if (v) { - listener.lineStart(); - listener.point(x, y); - } - } else { - if (v && v_) listener.point(x, y); else { - var l = { - a: { - x: x_, - y: y_ - }, - b: { - x: x, - y: y - } - }; - if (clipLine(l)) { - if (!v_) { - listener.lineStart(); - listener.point(l.a.x, l.a.y); - } - listener.point(l.b.x, l.b.y); - if (!v) listener.lineEnd(); - clean = false; - } else if (v) { - listener.lineStart(); - listener.point(x, y); - clean = false; - } - } - } - x_ = x, y_ = y, v_ = v; - } - return clip; - }; - function corner(p, direction) { - return abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2; - } - function compare(a, b) { - return comparePoints(a.x, b.x); - } - function comparePoints(a, b) { - var ca = corner(a, 1), cb = corner(b, 1); - return ca !== cb ? ca - cb : ca === 0 ? b[1] - a[1] : ca === 1 ? a[0] - b[0] : ca === 2 ? a[1] - b[1] : b[0] - a[0]; - } - } - function d3_geo_conic(projectAt) { - var φ0 = 0, φ1 = π / 3, m = d3_geo_projectionMutator(projectAt), p = m(φ0, φ1); - p.parallels = function(_) { - if (!arguments.length) return [ φ0 / π * 180, φ1 / π * 180 ]; - return m(φ0 = _[0] * π / 180, φ1 = _[1] * π / 180); - }; - return p; - } - function d3_geo_conicEqualArea(φ0, φ1) { - var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n; - function forward(λ, φ) { - var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n; - return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ]; - } - forward.invert = function(x, y) { - var ρ0_y = ρ0 - y; - return [ Math.atan2(x, ρ0_y) / n, d3_asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ]; - }; - return forward; - } - (d3.geo.conicEqualArea = function() { - return d3_geo_conic(d3_geo_conicEqualArea); - }).raw = d3_geo_conicEqualArea; - d3.geo.albers = function() { - return d3.geo.conicEqualArea().rotate([ 96, 0 ]).center([ -.6, 38.7 ]).parallels([ 29.5, 45.5 ]).scale(1070); - }; - d3.geo.albersUsa = function() { - var lower48 = d3.geo.albers(); - var alaska = d3.geo.conicEqualArea().rotate([ 154, 0 ]).center([ -2, 58.5 ]).parallels([ 55, 65 ]); - var hawaii = d3.geo.conicEqualArea().rotate([ 157, 0 ]).center([ -3, 19.9 ]).parallels([ 8, 18 ]); - var point, pointStream = { - point: function(x, y) { - point = [ x, y ]; - } - }, lower48Point, alaskaPoint, hawaiiPoint; - function albersUsa(coordinates) { - var x = coordinates[0], y = coordinates[1]; - point = null; - (lower48Point(x, y), point) || (alaskaPoint(x, y), point) || hawaiiPoint(x, y); - return point; - } - albersUsa.invert = function(coordinates) { - var k = lower48.scale(), t = lower48.translate(), x = (coordinates[0] - t[0]) / k, y = (coordinates[1] - t[1]) / k; - return (y >= .12 && y < .234 && x >= -.425 && x < -.214 ? alaska : y >= .166 && y < .234 && x >= -.214 && x < -.115 ? hawaii : lower48).invert(coordinates); - }; - albersUsa.stream = function(stream) { - var lower48Stream = lower48.stream(stream), alaskaStream = alaska.stream(stream), hawaiiStream = hawaii.stream(stream); - return { - point: function(x, y) { - lower48Stream.point(x, y); - alaskaStream.point(x, y); - hawaiiStream.point(x, y); - }, - sphere: function() { - lower48Stream.sphere(); - alaskaStream.sphere(); - hawaiiStream.sphere(); - }, - lineStart: function() { - lower48Stream.lineStart(); - alaskaStream.lineStart(); - hawaiiStream.lineStart(); - }, - lineEnd: function() { - lower48Stream.lineEnd(); - alaskaStream.lineEnd(); - hawaiiStream.lineEnd(); - }, - polygonStart: function() { - lower48Stream.polygonStart(); - alaskaStream.polygonStart(); - hawaiiStream.polygonStart(); - }, - polygonEnd: function() { - lower48Stream.polygonEnd(); - alaskaStream.polygonEnd(); - hawaiiStream.polygonEnd(); - } - }; - }; - albersUsa.precision = function(_) { - if (!arguments.length) return lower48.precision(); - lower48.precision(_); - alaska.precision(_); - hawaii.precision(_); - return albersUsa; - }; - albersUsa.scale = function(_) { - if (!arguments.length) return lower48.scale(); - lower48.scale(_); - alaska.scale(_ * .35); - hawaii.scale(_); - return albersUsa.translate(lower48.translate()); - }; - albersUsa.translate = function(_) { - if (!arguments.length) return lower48.translate(); - var k = lower48.scale(), x = +_[0], y = +_[1]; - lower48Point = lower48.translate(_).clipExtent([ [ x - .455 * k, y - .238 * k ], [ x + .455 * k, y + .238 * k ] ]).stream(pointStream).point; - alaskaPoint = alaska.translate([ x - .307 * k, y + .201 * k ]).clipExtent([ [ x - .425 * k + ε, y + .12 * k + ε ], [ x - .214 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point; - hawaiiPoint = hawaii.translate([ x - .205 * k, y + .212 * k ]).clipExtent([ [ x - .214 * k + ε, y + .166 * k + ε ], [ x - .115 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point; - return albersUsa; - }; - return albersUsa.scale(1070); - }; - var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = { - point: d3_noop, - lineStart: d3_noop, - lineEnd: d3_noop, - polygonStart: function() { - d3_geo_pathAreaPolygon = 0; - d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart; - }, - polygonEnd: function() { - d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop; - d3_geo_pathAreaSum += abs(d3_geo_pathAreaPolygon / 2); - } - }; - function d3_geo_pathAreaRingStart() { - var x00, y00, x0, y0; - d3_geo_pathArea.point = function(x, y) { - d3_geo_pathArea.point = nextPoint; - x00 = x0 = x, y00 = y0 = y; - }; - function nextPoint(x, y) { - d3_geo_pathAreaPolygon += y0 * x - x0 * y; - x0 = x, y0 = y; - } - d3_geo_pathArea.lineEnd = function() { - nextPoint(x00, y00); - }; - } - var d3_geo_pathBoundsX0, d3_geo_pathBoundsY0, d3_geo_pathBoundsX1, d3_geo_pathBoundsY1; - var d3_geo_pathBounds = { - point: d3_geo_pathBoundsPoint, - lineStart: d3_noop, - lineEnd: d3_noop, - polygonStart: d3_noop, - polygonEnd: d3_noop - }; - function d3_geo_pathBoundsPoint(x, y) { - if (x < d3_geo_pathBoundsX0) d3_geo_pathBoundsX0 = x; - if (x > d3_geo_pathBoundsX1) d3_geo_pathBoundsX1 = x; - if (y < d3_geo_pathBoundsY0) d3_geo_pathBoundsY0 = y; - if (y > d3_geo_pathBoundsY1) d3_geo_pathBoundsY1 = y; - } - function d3_geo_pathBuffer() { - var pointCircle = d3_geo_pathBufferCircle(4.5), buffer = []; - var stream = { - point: point, - lineStart: function() { - stream.point = pointLineStart; - }, - lineEnd: lineEnd, - polygonStart: function() { - stream.lineEnd = lineEndPolygon; - }, - polygonEnd: function() { - stream.lineEnd = lineEnd; - stream.point = point; - }, - pointRadius: function(_) { - pointCircle = d3_geo_pathBufferCircle(_); - return stream; - }, - result: function() { - if (buffer.length) { - var result = buffer.join(""); - buffer = []; - return result; - } - } - }; - function point(x, y) { - buffer.push("M", x, ",", y, pointCircle); - } - function pointLineStart(x, y) { - buffer.push("M", x, ",", y); - stream.point = pointLine; - } - function pointLine(x, y) { - buffer.push("L", x, ",", y); - } - function lineEnd() { - stream.point = point; - } - function lineEndPolygon() { - buffer.push("Z"); - } - return stream; - } - function d3_geo_pathBufferCircle(radius) { - return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + "z"; - } - var d3_geo_pathCentroid = { - point: d3_geo_pathCentroidPoint, - lineStart: d3_geo_pathCentroidLineStart, - lineEnd: d3_geo_pathCentroidLineEnd, - polygonStart: function() { - d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart; - }, - polygonEnd: function() { - d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint; - d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart; - d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd; - } - }; - function d3_geo_pathCentroidPoint(x, y) { - d3_geo_centroidX0 += x; - d3_geo_centroidY0 += y; - ++d3_geo_centroidZ0; - } - function d3_geo_pathCentroidLineStart() { - var x0, y0; - d3_geo_pathCentroid.point = function(x, y) { - d3_geo_pathCentroid.point = nextPoint; - d3_geo_pathCentroidPoint(x0 = x, y0 = y); - }; - function nextPoint(x, y) { - var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy); - d3_geo_centroidX1 += z * (x0 + x) / 2; - d3_geo_centroidY1 += z * (y0 + y) / 2; - d3_geo_centroidZ1 += z; - d3_geo_pathCentroidPoint(x0 = x, y0 = y); - } - } - function d3_geo_pathCentroidLineEnd() { - d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint; - } - function d3_geo_pathCentroidRingStart() { - var x00, y00, x0, y0; - d3_geo_pathCentroid.point = function(x, y) { - d3_geo_pathCentroid.point = nextPoint; - d3_geo_pathCentroidPoint(x00 = x0 = x, y00 = y0 = y); - }; - function nextPoint(x, y) { - var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy); - d3_geo_centroidX1 += z * (x0 + x) / 2; - d3_geo_centroidY1 += z * (y0 + y) / 2; - d3_geo_centroidZ1 += z; - z = y0 * x - x0 * y; - d3_geo_centroidX2 += z * (x0 + x); - d3_geo_centroidY2 += z * (y0 + y); - d3_geo_centroidZ2 += z * 3; - d3_geo_pathCentroidPoint(x0 = x, y0 = y); - } - d3_geo_pathCentroid.lineEnd = function() { - nextPoint(x00, y00); - }; - } - function d3_geo_pathContext(context) { - var pointRadius = 4.5; - var stream = { - point: point, - lineStart: function() { - stream.point = pointLineStart; - }, - lineEnd: lineEnd, - polygonStart: function() { - stream.lineEnd = lineEndPolygon; - }, - polygonEnd: function() { - stream.lineEnd = lineEnd; - stream.point = point; - }, - pointRadius: function(_) { - pointRadius = _; - return stream; - }, - result: d3_noop - }; - function point(x, y) { - context.moveTo(x + pointRadius, y); - context.arc(x, y, pointRadius, 0, τ); - } - function pointLineStart(x, y) { - context.moveTo(x, y); - stream.point = pointLine; - } - function pointLine(x, y) { - context.lineTo(x, y); - } - function lineEnd() { - stream.point = point; - } - function lineEndPolygon() { - context.closePath(); - } - return stream; - } - function d3_geo_resample(project) { - var δ2 = .5, cosMinDistance = Math.cos(30 * d3_radians), maxDepth = 16; - function resample(stream) { - return (maxDepth ? resampleRecursive : resampleNone)(stream); - } - function resampleNone(stream) { - return d3_geo_transformPoint(stream, function(x, y) { - x = project(x, y); - stream.point(x[0], x[1]); - }); - } - function resampleRecursive(stream) { - var λ00, φ00, x00, y00, a00, b00, c00, λ0, x0, y0, a0, b0, c0; - var resample = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - stream.polygonStart(); - resample.lineStart = ringStart; - }, - polygonEnd: function() { - stream.polygonEnd(); - resample.lineStart = lineStart; - } - }; - function point(x, y) { - x = project(x, y); - stream.point(x[0], x[1]); - } - function lineStart() { - x0 = NaN; - resample.point = linePoint; - stream.lineStart(); - } - function linePoint(λ, φ) { - var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ); - resampleLineTo(x0, y0, λ0, a0, b0, c0, x0 = p[0], y0 = p[1], λ0 = λ, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); - stream.point(x0, y0); - } - function lineEnd() { - resample.point = point; - stream.lineEnd(); - } - function ringStart() { - lineStart(); - resample.point = ringPoint; - resample.lineEnd = ringEnd; - } - function ringPoint(λ, φ) { - linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; - resample.point = linePoint; - } - function ringEnd() { - resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream); - resample.lineEnd = lineEnd; - lineEnd(); - } - return resample; - } - function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) { - var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy; - if (d2 > 4 * δ2 && depth--) { - var a = a0 + a1, b = b0 + b1, c = c0 + c1, m = Math.sqrt(a * a + b * b + c * c), φ2 = Math.asin(c /= m), λ2 = abs(abs(c) - 1) < ε || abs(λ0 - λ1) < ε ? (λ0 + λ1) / 2 : Math.atan2(b, a), p = project(λ2, φ2), x2 = p[0], y2 = p[1], dx2 = x2 - x0, dy2 = y2 - y0, dz = dy * dx2 - dx * dy2; - if (dz * dz / d2 > δ2 || abs((dx * dx2 + dy * dy2) / d2 - .5) > .3 || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { - resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream); - stream.point(x2, y2); - resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream); - } - } - } - resample.precision = function(_) { - if (!arguments.length) return Math.sqrt(δ2); - maxDepth = (δ2 = _ * _) > 0 && 16; - return resample; - }; - return resample; - } - d3.geo.path = function() { - var pointRadius = 4.5, projection, context, projectStream, contextStream, cacheStream; - function path(object) { - if (object) { - if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); - if (!cacheStream || !cacheStream.valid) cacheStream = projectStream(contextStream); - d3.geo.stream(object, cacheStream); - } - return contextStream.result(); - } - path.area = function(object) { - d3_geo_pathAreaSum = 0; - d3.geo.stream(object, projectStream(d3_geo_pathArea)); - return d3_geo_pathAreaSum; - }; - path.centroid = function(object) { - d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0; - d3.geo.stream(object, projectStream(d3_geo_pathCentroid)); - return d3_geo_centroidZ2 ? [ d3_geo_centroidX2 / d3_geo_centroidZ2, d3_geo_centroidY2 / d3_geo_centroidZ2 ] : d3_geo_centroidZ1 ? [ d3_geo_centroidX1 / d3_geo_centroidZ1, d3_geo_centroidY1 / d3_geo_centroidZ1 ] : d3_geo_centroidZ0 ? [ d3_geo_centroidX0 / d3_geo_centroidZ0, d3_geo_centroidY0 / d3_geo_centroidZ0 ] : [ NaN, NaN ]; - }; - path.bounds = function(object) { - d3_geo_pathBoundsX1 = d3_geo_pathBoundsY1 = -(d3_geo_pathBoundsX0 = d3_geo_pathBoundsY0 = Infinity); - d3.geo.stream(object, projectStream(d3_geo_pathBounds)); - return [ [ d3_geo_pathBoundsX0, d3_geo_pathBoundsY0 ], [ d3_geo_pathBoundsX1, d3_geo_pathBoundsY1 ] ]; - }; - path.projection = function(_) { - if (!arguments.length) return projection; - projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity; - return reset(); - }; - path.context = function(_) { - if (!arguments.length) return context; - contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_); - if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); - return reset(); - }; - path.pointRadius = function(_) { - if (!arguments.length) return pointRadius; - pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); - return path; - }; - function reset() { - cacheStream = null; - return path; - } - return path.projection(d3.geo.albersUsa()).context(null); - }; - function d3_geo_pathProjectStream(project) { - var resample = d3_geo_resample(function(x, y) { - return project([ x * d3_degrees, y * d3_degrees ]); - }); - return function(stream) { - return d3_geo_projectionRadians(resample(stream)); - }; - } - d3.geo.transform = function(methods) { - return { - stream: function(stream) { - var transform = new d3_geo_transform(stream); - for (var k in methods) transform[k] = methods[k]; - return transform; - } - }; - }; - function d3_geo_transform(stream) { - this.stream = stream; - } - d3_geo_transform.prototype = { - point: function(x, y) { - this.stream.point(x, y); - }, - sphere: function() { - this.stream.sphere(); - }, - lineStart: function() { - this.stream.lineStart(); - }, - lineEnd: function() { - this.stream.lineEnd(); - }, - polygonStart: function() { - this.stream.polygonStart(); - }, - polygonEnd: function() { - this.stream.polygonEnd(); - } - }; - function d3_geo_transformPoint(stream, point) { - return { - point: point, - sphere: function() { - stream.sphere(); - }, - lineStart: function() { - stream.lineStart(); - }, - lineEnd: function() { - stream.lineEnd(); - }, - polygonStart: function() { - stream.polygonStart(); - }, - polygonEnd: function() { - stream.polygonEnd(); - } - }; - } - d3.geo.projection = d3_geo_projection; - d3.geo.projectionMutator = d3_geo_projectionMutator; - function d3_geo_projection(project) { - return d3_geo_projectionMutator(function() { - return project; - })(); - } - function d3_geo_projectionMutator(projectAt) { - var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) { - x = project(x, y); - return [ x[0] * k + δx, δy - x[1] * k ]; - }), k = 150, x = 480, y = 250, λ = 0, φ = 0, δλ = 0, δφ = 0, δγ = 0, δx, δy, preclip = d3_geo_clipAntimeridian, postclip = d3_identity, clipAngle = null, clipExtent = null, stream; - function projection(point) { - point = projectRotate(point[0] * d3_radians, point[1] * d3_radians); - return [ point[0] * k + δx, δy - point[1] * k ]; - } - function invert(point) { - point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k); - return point && [ point[0] * d3_degrees, point[1] * d3_degrees ]; - } - projection.stream = function(output) { - if (stream) stream.valid = false; - stream = d3_geo_projectionRadians(preclip(rotate, projectResample(postclip(output)))); - stream.valid = true; - return stream; - }; - projection.clipAngle = function(_) { - if (!arguments.length) return clipAngle; - preclip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle((clipAngle = +_) * d3_radians); - return invalidate(); - }; - projection.clipExtent = function(_) { - if (!arguments.length) return clipExtent; - clipExtent = _; - postclip = _ ? d3_geo_clipExtent(_[0][0], _[0][1], _[1][0], _[1][1]) : d3_identity; - return invalidate(); - }; - projection.scale = function(_) { - if (!arguments.length) return k; - k = +_; - return reset(); - }; - projection.translate = function(_) { - if (!arguments.length) return [ x, y ]; - x = +_[0]; - y = +_[1]; - return reset(); - }; - projection.center = function(_) { - if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ]; - λ = _[0] % 360 * d3_radians; - φ = _[1] % 360 * d3_radians; - return reset(); - }; - projection.rotate = function(_) { - if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ]; - δλ = _[0] % 360 * d3_radians; - δφ = _[1] % 360 * d3_radians; - δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0; - return reset(); - }; - d3.rebind(projection, projectResample, "precision"); - function reset() { - projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project); - var center = project(λ, φ); - δx = x - center[0] * k; - δy = y + center[1] * k; - return invalidate(); - } - function invalidate() { - if (stream) stream.valid = false, stream = null; - return projection; - } - return function() { - project = projectAt.apply(this, arguments); - projection.invert = project.invert && invert; - return reset(); - }; - } - function d3_geo_projectionRadians(stream) { - return d3_geo_transformPoint(stream, function(x, y) { - stream.point(x * d3_radians, y * d3_radians); - }); - } - function d3_geo_equirectangular(λ, φ) { - return [ λ, φ ]; - } - (d3.geo.equirectangular = function() { - return d3_geo_projection(d3_geo_equirectangular); - }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular; - d3.geo.rotation = function(rotate) { - rotate = d3_geo_rotation(rotate[0] % 360 * d3_radians, rotate[1] * d3_radians, rotate.length > 2 ? rotate[2] * d3_radians : 0); - function forward(coordinates) { - coordinates = rotate(coordinates[0] * d3_radians, coordinates[1] * d3_radians); - return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates; - } - forward.invert = function(coordinates) { - coordinates = rotate.invert(coordinates[0] * d3_radians, coordinates[1] * d3_radians); - return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates; - }; - return forward; - }; - function d3_geo_identityRotation(λ, φ) { - return [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ]; - } - d3_geo_identityRotation.invert = d3_geo_equirectangular; - function d3_geo_rotation(δλ, δφ, δγ) { - return δλ ? δφ || δγ ? d3_geo_compose(d3_geo_rotationλ(δλ), d3_geo_rotationφγ(δφ, δγ)) : d3_geo_rotationλ(δλ) : δφ || δγ ? d3_geo_rotationφγ(δφ, δγ) : d3_geo_identityRotation; - } - function d3_geo_forwardRotationλ(δλ) { - return function(λ, φ) { - return λ += δλ, [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ]; - }; - } - function d3_geo_rotationλ(δλ) { - var rotation = d3_geo_forwardRotationλ(δλ); - rotation.invert = d3_geo_forwardRotationλ(-δλ); - return rotation; - } - function d3_geo_rotationφγ(δφ, δγ) { - var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ); - function rotation(λ, φ) { - var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ; - return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), d3_asin(k * cosδγ + y * sinδγ) ]; - } - rotation.invert = function(λ, φ) { - var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ; - return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), d3_asin(k * cosδφ - x * sinδφ) ]; - }; - return rotation; - } - d3.geo.circle = function() { - var origin = [ 0, 0 ], angle, precision = 6, interpolate; - function circle() { - var center = typeof origin === "function" ? origin.apply(this, arguments) : origin, rotate = d3_geo_rotation(-center[0] * d3_radians, -center[1] * d3_radians, 0).invert, ring = []; - interpolate(null, null, 1, { - point: function(x, y) { - ring.push(x = rotate(x, y)); - x[0] *= d3_degrees, x[1] *= d3_degrees; - } - }); - return { - type: "Polygon", - coordinates: [ ring ] - }; - } - circle.origin = function(x) { - if (!arguments.length) return origin; - origin = x; - return circle; - }; - circle.angle = function(x) { - if (!arguments.length) return angle; - interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians); - return circle; - }; - circle.precision = function(_) { - if (!arguments.length) return precision; - interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians); - return circle; - }; - return circle.angle(90); - }; - function d3_geo_circleInterpolate(radius, precision) { - var cr = Math.cos(radius), sr = Math.sin(radius); - return function(from, to, direction, listener) { - var step = direction * precision; - if (from != null) { - from = d3_geo_circleAngle(cr, from); - to = d3_geo_circleAngle(cr, to); - if (direction > 0 ? from < to : from > to) from += direction * τ; - } else { - from = radius + direction * τ; - to = radius - .5 * step; - } - for (var point, t = from; direction > 0 ? t > to : t < to; t -= step) { - listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]); - } - }; - } - function d3_geo_circleAngle(cr, point) { - var a = d3_geo_cartesian(point); - a[0] -= cr; - d3_geo_cartesianNormalize(a); - var angle = d3_acos(-a[1]); - return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI); - } - d3.geo.distance = function(a, b) { - var Δλ = (b[0] - a[0]) * d3_radians, φ0 = a[1] * d3_radians, φ1 = b[1] * d3_radians, sinΔλ = Math.sin(Δλ), cosΔλ = Math.cos(Δλ), sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), sinφ1 = Math.sin(φ1), cosφ1 = Math.cos(φ1), t; - return Math.atan2(Math.sqrt((t = cosφ1 * sinΔλ) * t + (t = cosφ0 * sinφ1 - sinφ0 * cosφ1 * cosΔλ) * t), sinφ0 * sinφ1 + cosφ0 * cosφ1 * cosΔλ); - }; - d3.geo.graticule = function() { - var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, x, y, X, Y, precision = 2.5; - function graticule() { - return { - type: "MultiLineString", - coordinates: lines() - }; - } - function lines() { - return d3.range(Math.ceil(X0 / DX) * DX, X1, DX).map(X).concat(d3.range(Math.ceil(Y0 / DY) * DY, Y1, DY).map(Y)).concat(d3.range(Math.ceil(x0 / dx) * dx, x1, dx).filter(function(x) { - return abs(x % DX) > ε; - }).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) { - return abs(y % DY) > ε; - }).map(y)); - } - graticule.lines = function() { - return lines().map(function(coordinates) { - return { - type: "LineString", - coordinates: coordinates - }; - }); - }; - graticule.outline = function() { - return { - type: "Polygon", - coordinates: [ X(X0).concat(Y(Y1).slice(1), X(X1).reverse().slice(1), Y(Y0).reverse().slice(1)) ] - }; - }; - graticule.extent = function(_) { - if (!arguments.length) return graticule.minorExtent(); - return graticule.majorExtent(_).minorExtent(_); - }; - graticule.majorExtent = function(_) { - if (!arguments.length) return [ [ X0, Y0 ], [ X1, Y1 ] ]; - X0 = +_[0][0], X1 = +_[1][0]; - Y0 = +_[0][1], Y1 = +_[1][1]; - if (X0 > X1) _ = X0, X0 = X1, X1 = _; - if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; - return graticule.precision(precision); - }; - graticule.minorExtent = function(_) { - if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ]; - x0 = +_[0][0], x1 = +_[1][0]; - y0 = +_[0][1], y1 = +_[1][1]; - if (x0 > x1) _ = x0, x0 = x1, x1 = _; - if (y0 > y1) _ = y0, y0 = y1, y1 = _; - return graticule.precision(precision); - }; - graticule.step = function(_) { - if (!arguments.length) return graticule.minorStep(); - return graticule.majorStep(_).minorStep(_); - }; - graticule.majorStep = function(_) { - if (!arguments.length) return [ DX, DY ]; - DX = +_[0], DY = +_[1]; - return graticule; - }; - graticule.minorStep = function(_) { - if (!arguments.length) return [ dx, dy ]; - dx = +_[0], dy = +_[1]; - return graticule; - }; - graticule.precision = function(_) { - if (!arguments.length) return precision; - precision = +_; - x = d3_geo_graticuleX(y0, y1, 90); - y = d3_geo_graticuleY(x0, x1, precision); - X = d3_geo_graticuleX(Y0, Y1, 90); - Y = d3_geo_graticuleY(X0, X1, precision); - return graticule; - }; - return graticule.majorExtent([ [ -180, -90 + ε ], [ 180, 90 - ε ] ]).minorExtent([ [ -180, -80 - ε ], [ 180, 80 + ε ] ]); - }; - function d3_geo_graticuleX(y0, y1, dy) { - var y = d3.range(y0, y1 - ε, dy).concat(y1); - return function(x) { - return y.map(function(y) { - return [ x, y ]; - }); - }; - } - function d3_geo_graticuleY(x0, x1, dx) { - var x = d3.range(x0, x1 - ε, dx).concat(x1); - return function(y) { - return x.map(function(x) { - return [ x, y ]; - }); - }; - } - function d3_source(d) { - return d.source; - } - function d3_target(d) { - return d.target; - } - d3.geo.greatArc = function() { - var source = d3_source, source_, target = d3_target, target_; - function greatArc() { - return { - type: "LineString", - coordinates: [ source_ || source.apply(this, arguments), target_ || target.apply(this, arguments) ] - }; - } - greatArc.distance = function() { - return d3.geo.distance(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments)); - }; - greatArc.source = function(_) { - if (!arguments.length) return source; - source = _, source_ = typeof _ === "function" ? null : _; - return greatArc; - }; - greatArc.target = function(_) { - if (!arguments.length) return target; - target = _, target_ = typeof _ === "function" ? null : _; - return greatArc; - }; - greatArc.precision = function() { - return arguments.length ? greatArc : 0; - }; - return greatArc; - }; - d3.geo.interpolate = function(source, target) { - return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians); - }; - function d3_geo_interpolate(x0, y0, x1, y1) { - var cy0 = Math.cos(y0), sy0 = Math.sin(y0), cy1 = Math.cos(y1), sy1 = Math.sin(y1), kx0 = cy0 * Math.cos(x0), ky0 = cy0 * Math.sin(x0), kx1 = cy1 * Math.cos(x1), ky1 = cy1 * Math.sin(x1), d = 2 * Math.asin(Math.sqrt(d3_haversin(y1 - y0) + cy0 * cy1 * d3_haversin(x1 - x0))), k = 1 / Math.sin(d); - var interpolate = d ? function(t) { - var B = Math.sin(t *= d) * k, A = Math.sin(d - t) * k, x = A * kx0 + B * kx1, y = A * ky0 + B * ky1, z = A * sy0 + B * sy1; - return [ Math.atan2(y, x) * d3_degrees, Math.atan2(z, Math.sqrt(x * x + y * y)) * d3_degrees ]; - } : function() { - return [ x0 * d3_degrees, y0 * d3_degrees ]; - }; - interpolate.distance = d; - return interpolate; - } - d3.geo.length = function(object) { - d3_geo_lengthSum = 0; - d3.geo.stream(object, d3_geo_length); - return d3_geo_lengthSum; - }; - var d3_geo_lengthSum; - var d3_geo_length = { - sphere: d3_noop, - point: d3_noop, - lineStart: d3_geo_lengthLineStart, - lineEnd: d3_noop, - polygonStart: d3_noop, - polygonEnd: d3_noop - }; - function d3_geo_lengthLineStart() { - var λ0, sinφ0, cosφ0; - d3_geo_length.point = function(λ, φ) { - λ0 = λ * d3_radians, sinφ0 = Math.sin(φ *= d3_radians), cosφ0 = Math.cos(φ); - d3_geo_length.point = nextPoint; - }; - d3_geo_length.lineEnd = function() { - d3_geo_length.point = d3_geo_length.lineEnd = d3_noop; - }; - function nextPoint(λ, φ) { - var sinφ = Math.sin(φ *= d3_radians), cosφ = Math.cos(φ), t = abs((λ *= d3_radians) - λ0), cosΔλ = Math.cos(t); - d3_geo_lengthSum += Math.atan2(Math.sqrt((t = cosφ * Math.sin(t)) * t + (t = cosφ0 * sinφ - sinφ0 * cosφ * cosΔλ) * t), sinφ0 * sinφ + cosφ0 * cosφ * cosΔλ); - λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ; - } - } - function d3_geo_azimuthal(scale, angle) { - function azimuthal(λ, φ) { - var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ); - return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ]; - } - azimuthal.invert = function(x, y) { - var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c); - return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ]; - }; - return azimuthal; - } - var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) { - return Math.sqrt(2 / (1 + cosλcosφ)); - }, function(ρ) { - return 2 * Math.asin(ρ / 2); - }); - (d3.geo.azimuthalEqualArea = function() { - return d3_geo_projection(d3_geo_azimuthalEqualArea); - }).raw = d3_geo_azimuthalEqualArea; - var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) { - var c = Math.acos(cosλcosφ); - return c && c / Math.sin(c); - }, d3_identity); - (d3.geo.azimuthalEquidistant = function() { - return d3_geo_projection(d3_geo_azimuthalEquidistant); - }).raw = d3_geo_azimuthalEquidistant; - function d3_geo_conicConformal(φ0, φ1) { - var cosφ0 = Math.cos(φ0), t = function(φ) { - return Math.tan(π / 4 + φ / 2); - }, n = φ0 === φ1 ? Math.sin(φ0) : Math.log(cosφ0 / Math.cos(φ1)) / Math.log(t(φ1) / t(φ0)), F = cosφ0 * Math.pow(t(φ0), n) / n; - if (!n) return d3_geo_mercator; - function forward(λ, φ) { - if (F > 0) { - if (φ < -halfπ + ε) φ = -halfπ + ε; - } else { - if (φ > halfπ - ε) φ = halfπ - ε; - } - var ρ = F / Math.pow(t(φ), n); - return [ ρ * Math.sin(n * λ), F - ρ * Math.cos(n * λ) ]; - } - forward.invert = function(x, y) { - var ρ0_y = F - y, ρ = d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y); - return [ Math.atan2(x, ρ0_y) / n, 2 * Math.atan(Math.pow(F / ρ, 1 / n)) - halfπ ]; - }; - return forward; - } - (d3.geo.conicConformal = function() { - return d3_geo_conic(d3_geo_conicConformal); - }).raw = d3_geo_conicConformal; - function d3_geo_conicEquidistant(φ0, φ1) { - var cosφ0 = Math.cos(φ0), n = φ0 === φ1 ? Math.sin(φ0) : (cosφ0 - Math.cos(φ1)) / (φ1 - φ0), G = cosφ0 / n + φ0; - if (abs(n) < ε) return d3_geo_equirectangular; - function forward(λ, φ) { - var ρ = G - φ; - return [ ρ * Math.sin(n * λ), G - ρ * Math.cos(n * λ) ]; - } - forward.invert = function(x, y) { - var ρ0_y = G - y; - return [ Math.atan2(x, ρ0_y) / n, G - d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y) ]; - }; - return forward; - } - (d3.geo.conicEquidistant = function() { - return d3_geo_conic(d3_geo_conicEquidistant); - }).raw = d3_geo_conicEquidistant; - var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) { - return 1 / cosλcosφ; - }, Math.atan); - (d3.geo.gnomonic = function() { - return d3_geo_projection(d3_geo_gnomonic); - }).raw = d3_geo_gnomonic; - function d3_geo_mercator(λ, φ) { - return [ λ, Math.log(Math.tan(π / 4 + φ / 2)) ]; - } - d3_geo_mercator.invert = function(x, y) { - return [ x, 2 * Math.atan(Math.exp(y)) - halfπ ]; - }; - function d3_geo_mercatorProjection(project) { - var m = d3_geo_projection(project), scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, clipAuto; - m.scale = function() { - var v = scale.apply(m, arguments); - return v === m ? clipAuto ? m.clipExtent(null) : m : v; - }; - m.translate = function() { - var v = translate.apply(m, arguments); - return v === m ? clipAuto ? m.clipExtent(null) : m : v; - }; - m.clipExtent = function(_) { - var v = clipExtent.apply(m, arguments); - if (v === m) { - if (clipAuto = _ == null) { - var k = π * scale(), t = translate(); - clipExtent([ [ t[0] - k, t[1] - k ], [ t[0] + k, t[1] + k ] ]); - } - } else if (clipAuto) { - v = null; - } - return v; - }; - return m.clipExtent(null); - } - (d3.geo.mercator = function() { - return d3_geo_mercatorProjection(d3_geo_mercator); - }).raw = d3_geo_mercator; - var d3_geo_orthographic = d3_geo_azimuthal(function() { - return 1; - }, Math.asin); - (d3.geo.orthographic = function() { - return d3_geo_projection(d3_geo_orthographic); - }).raw = d3_geo_orthographic; - var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) { - return 1 / (1 + cosλcosφ); - }, function(ρ) { - return 2 * Math.atan(ρ); - }); - (d3.geo.stereographic = function() { - return d3_geo_projection(d3_geo_stereographic); - }).raw = d3_geo_stereographic; - function d3_geo_transverseMercator(λ, φ) { - return [ Math.log(Math.tan(π / 4 + φ / 2)), -λ ]; - } - d3_geo_transverseMercator.invert = function(x, y) { - return [ -y, 2 * Math.atan(Math.exp(x)) - halfπ ]; - }; - (d3.geo.transverseMercator = function() { - var projection = d3_geo_mercatorProjection(d3_geo_transverseMercator), center = projection.center, rotate = projection.rotate; - projection.center = function(_) { - return _ ? center([ -_[1], _[0] ]) : (_ = center(), [ _[1], -_[0] ]); - }; - projection.rotate = function(_) { - return _ ? rotate([ _[0], _[1], _.length > 2 ? _[2] + 90 : 90 ]) : (_ = rotate(), - [ _[0], _[1], _[2] - 90 ]); - }; - return rotate([ 0, 0, 90 ]); - }).raw = d3_geo_transverseMercator; - d3.geom = {}; - function d3_geom_pointX(d) { - return d[0]; - } - function d3_geom_pointY(d) { - return d[1]; - } - d3.geom.hull = function(vertices) { - var x = d3_geom_pointX, y = d3_geom_pointY; - if (arguments.length) return hull(vertices); - function hull(data) { - if (data.length < 3) return []; - var fx = d3_functor(x), fy = d3_functor(y), i, n = data.length, points = [], flippedPoints = []; - for (i = 0; i < n; i++) { - points.push([ +fx.call(this, data[i], i), +fy.call(this, data[i], i), i ]); - } - points.sort(d3_geom_hullOrder); - for (i = 0; i < n; i++) flippedPoints.push([ points[i][0], -points[i][1] ]); - var upper = d3_geom_hullUpper(points), lower = d3_geom_hullUpper(flippedPoints); - var skipLeft = lower[0] === upper[0], skipRight = lower[lower.length - 1] === upper[upper.length - 1], polygon = []; - for (i = upper.length - 1; i >= 0; --i) polygon.push(data[points[upper[i]][2]]); - for (i = +skipLeft; i < lower.length - skipRight; ++i) polygon.push(data[points[lower[i]][2]]); - return polygon; - } - hull.x = function(_) { - return arguments.length ? (x = _, hull) : x; - }; - hull.y = function(_) { - return arguments.length ? (y = _, hull) : y; - }; - return hull; - }; - function d3_geom_hullUpper(points) { - var n = points.length, hull = [ 0, 1 ], hs = 2; - for (var i = 2; i < n; i++) { - while (hs > 1 && d3_cross2d(points[hull[hs - 2]], points[hull[hs - 1]], points[i]) <= 0) --hs; - hull[hs++] = i; - } - return hull.slice(0, hs); - } - function d3_geom_hullOrder(a, b) { - return a[0] - b[0] || a[1] - b[1]; - } - d3.geom.polygon = function(coordinates) { - d3_subclass(coordinates, d3_geom_polygonPrototype); - return coordinates; - }; - var d3_geom_polygonPrototype = d3.geom.polygon.prototype = []; - d3_geom_polygonPrototype.area = function() { - var i = -1, n = this.length, a, b = this[n - 1], area = 0; - while (++i < n) { - a = b; - b = this[i]; - area += a[1] * b[0] - a[0] * b[1]; - } - return area * .5; - }; - d3_geom_polygonPrototype.centroid = function(k) { - var i = -1, n = this.length, x = 0, y = 0, a, b = this[n - 1], c; - if (!arguments.length) k = -1 / (6 * this.area()); - while (++i < n) { - a = b; - b = this[i]; - c = a[0] * b[1] - b[0] * a[1]; - x += (a[0] + b[0]) * c; - y += (a[1] + b[1]) * c; - } - return [ x * k, y * k ]; - }; - d3_geom_polygonPrototype.clip = function(subject) { - var input, closed = d3_geom_polygonClosed(subject), i = -1, n = this.length - d3_geom_polygonClosed(this), j, m, a = this[n - 1], b, c, d; - while (++i < n) { - input = subject.slice(); - subject.length = 0; - b = this[i]; - c = input[(m = input.length - closed) - 1]; - j = -1; - while (++j < m) { - d = input[j]; - if (d3_geom_polygonInside(d, a, b)) { - if (!d3_geom_polygonInside(c, a, b)) { - subject.push(d3_geom_polygonIntersect(c, d, a, b)); - } - subject.push(d); - } else if (d3_geom_polygonInside(c, a, b)) { - subject.push(d3_geom_polygonIntersect(c, d, a, b)); - } - c = d; - } - if (closed) subject.push(subject[0]); - a = b; - } - return subject; - }; - function d3_geom_polygonInside(p, a, b) { - return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]); - } - function d3_geom_polygonIntersect(c, d, a, b) { - var x1 = c[0], x3 = a[0], x21 = d[0] - x1, x43 = b[0] - x3, y1 = c[1], y3 = a[1], y21 = d[1] - y1, y43 = b[1] - y3, ua = (x43 * (y1 - y3) - y43 * (x1 - x3)) / (y43 * x21 - x43 * y21); - return [ x1 + ua * x21, y1 + ua * y21 ]; - } - function d3_geom_polygonClosed(coordinates) { - var a = coordinates[0], b = coordinates[coordinates.length - 1]; - return !(a[0] - b[0] || a[1] - b[1]); - } - var d3_geom_voronoiEdges, d3_geom_voronoiCells, d3_geom_voronoiBeaches, d3_geom_voronoiBeachPool = [], d3_geom_voronoiFirstCircle, d3_geom_voronoiCircles, d3_geom_voronoiCirclePool = []; - function d3_geom_voronoiBeach() { - d3_geom_voronoiRedBlackNode(this); - this.edge = this.site = this.circle = null; - } - function d3_geom_voronoiCreateBeach(site) { - var beach = d3_geom_voronoiBeachPool.pop() || new d3_geom_voronoiBeach(); - beach.site = site; - return beach; - } - function d3_geom_voronoiDetachBeach(beach) { - d3_geom_voronoiDetachCircle(beach); - d3_geom_voronoiBeaches.remove(beach); - d3_geom_voronoiBeachPool.push(beach); - d3_geom_voronoiRedBlackNode(beach); - } - function d3_geom_voronoiRemoveBeach(beach) { - var circle = beach.circle, x = circle.x, y = circle.cy, vertex = { - x: x, - y: y - }, previous = beach.P, next = beach.N, disappearing = [ beach ]; - d3_geom_voronoiDetachBeach(beach); - var lArc = previous; - while (lArc.circle && abs(x - lArc.circle.x) < ε && abs(y - lArc.circle.cy) < ε) { - previous = lArc.P; - disappearing.unshift(lArc); - d3_geom_voronoiDetachBeach(lArc); - lArc = previous; - } - disappearing.unshift(lArc); - d3_geom_voronoiDetachCircle(lArc); - var rArc = next; - while (rArc.circle && abs(x - rArc.circle.x) < ε && abs(y - rArc.circle.cy) < ε) { - next = rArc.N; - disappearing.push(rArc); - d3_geom_voronoiDetachBeach(rArc); - rArc = next; - } - disappearing.push(rArc); - d3_geom_voronoiDetachCircle(rArc); - var nArcs = disappearing.length, iArc; - for (iArc = 1; iArc < nArcs; ++iArc) { - rArc = disappearing[iArc]; - lArc = disappearing[iArc - 1]; - d3_geom_voronoiSetEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); - } - lArc = disappearing[0]; - rArc = disappearing[nArcs - 1]; - rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, rArc.site, null, vertex); - d3_geom_voronoiAttachCircle(lArc); - d3_geom_voronoiAttachCircle(rArc); - } - function d3_geom_voronoiAddBeach(site) { - var x = site.x, directrix = site.y, lArc, rArc, dxl, dxr, node = d3_geom_voronoiBeaches._; - while (node) { - dxl = d3_geom_voronoiLeftBreakPoint(node, directrix) - x; - if (dxl > ε) node = node.L; else { - dxr = x - d3_geom_voronoiRightBreakPoint(node, directrix); - if (dxr > ε) { - if (!node.R) { - lArc = node; - break; - } - node = node.R; - } else { - if (dxl > -ε) { - lArc = node.P; - rArc = node; - } else if (dxr > -ε) { - lArc = node; - rArc = node.N; - } else { - lArc = rArc = node; - } - break; - } - } - } - var newArc = d3_geom_voronoiCreateBeach(site); - d3_geom_voronoiBeaches.insert(lArc, newArc); - if (!lArc && !rArc) return; - if (lArc === rArc) { - d3_geom_voronoiDetachCircle(lArc); - rArc = d3_geom_voronoiCreateBeach(lArc.site); - d3_geom_voronoiBeaches.insert(newArc, rArc); - newArc.edge = rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site); - d3_geom_voronoiAttachCircle(lArc); - d3_geom_voronoiAttachCircle(rArc); - return; - } - if (!rArc) { - newArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site); - return; - } - d3_geom_voronoiDetachCircle(lArc); - d3_geom_voronoiDetachCircle(rArc); - var lSite = lArc.site, ax = lSite.x, ay = lSite.y, bx = site.x - ax, by = site.y - ay, rSite = rArc.site, cx = rSite.x - ax, cy = rSite.y - ay, d = 2 * (bx * cy - by * cx), hb = bx * bx + by * by, hc = cx * cx + cy * cy, vertex = { - x: (cy * hb - by * hc) / d + ax, - y: (bx * hc - cx * hb) / d + ay - }; - d3_geom_voronoiSetEdgeEnd(rArc.edge, lSite, rSite, vertex); - newArc.edge = d3_geom_voronoiCreateEdge(lSite, site, null, vertex); - rArc.edge = d3_geom_voronoiCreateEdge(site, rSite, null, vertex); - d3_geom_voronoiAttachCircle(lArc); - d3_geom_voronoiAttachCircle(rArc); - } - function d3_geom_voronoiLeftBreakPoint(arc, directrix) { - var site = arc.site, rfocx = site.x, rfocy = site.y, pby2 = rfocy - directrix; - if (!pby2) return rfocx; - var lArc = arc.P; - if (!lArc) return -Infinity; - site = lArc.site; - var lfocx = site.x, lfocy = site.y, plby2 = lfocy - directrix; - if (!plby2) return lfocx; - var hl = lfocx - rfocx, aby2 = 1 / pby2 - 1 / plby2, b = hl / plby2; - if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; - return (rfocx + lfocx) / 2; - } - function d3_geom_voronoiRightBreakPoint(arc, directrix) { - var rArc = arc.N; - if (rArc) return d3_geom_voronoiLeftBreakPoint(rArc, directrix); - var site = arc.site; - return site.y === directrix ? site.x : Infinity; - } - function d3_geom_voronoiCell(site) { - this.site = site; - this.edges = []; - } - d3_geom_voronoiCell.prototype.prepare = function() { - var halfEdges = this.edges, iHalfEdge = halfEdges.length, edge; - while (iHalfEdge--) { - edge = halfEdges[iHalfEdge].edge; - if (!edge.b || !edge.a) halfEdges.splice(iHalfEdge, 1); - } - halfEdges.sort(d3_geom_voronoiHalfEdgeOrder); - return halfEdges.length; - }; - function d3_geom_voronoiCloseCells(extent) { - var x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], x2, y2, x3, y3, cells = d3_geom_voronoiCells, iCell = cells.length, cell, iHalfEdge, halfEdges, nHalfEdges, start, end; - while (iCell--) { - cell = cells[iCell]; - if (!cell || !cell.prepare()) continue; - halfEdges = cell.edges; - nHalfEdges = halfEdges.length; - iHalfEdge = 0; - while (iHalfEdge < nHalfEdges) { - end = halfEdges[iHalfEdge].end(), x3 = end.x, y3 = end.y; - start = halfEdges[++iHalfEdge % nHalfEdges].start(), x2 = start.x, y2 = start.y; - if (abs(x3 - x2) > ε || abs(y3 - y2) > ε) { - halfEdges.splice(iHalfEdge, 0, new d3_geom_voronoiHalfEdge(d3_geom_voronoiCreateBorderEdge(cell.site, end, abs(x3 - x0) < ε && y1 - y3 > ε ? { - x: x0, - y: abs(x2 - x0) < ε ? y2 : y1 - } : abs(y3 - y1) < ε && x1 - x3 > ε ? { - x: abs(y2 - y1) < ε ? x2 : x1, - y: y1 - } : abs(x3 - x1) < ε && y3 - y0 > ε ? { - x: x1, - y: abs(x2 - x1) < ε ? y2 : y0 - } : abs(y3 - y0) < ε && x3 - x0 > ε ? { - x: abs(y2 - y0) < ε ? x2 : x0, - y: y0 - } : null), cell.site, null)); - ++nHalfEdges; - } - } - } - } - function d3_geom_voronoiHalfEdgeOrder(a, b) { - return b.angle - a.angle; - } - function d3_geom_voronoiCircle() { - d3_geom_voronoiRedBlackNode(this); - this.x = this.y = this.arc = this.site = this.cy = null; - } - function d3_geom_voronoiAttachCircle(arc) { - var lArc = arc.P, rArc = arc.N; - if (!lArc || !rArc) return; - var lSite = lArc.site, cSite = arc.site, rSite = rArc.site; - if (lSite === rSite) return; - var bx = cSite.x, by = cSite.y, ax = lSite.x - bx, ay = lSite.y - by, cx = rSite.x - bx, cy = rSite.y - by; - var d = 2 * (ax * cy - ay * cx); - if (d >= -ε2) return; - var ha = ax * ax + ay * ay, hc = cx * cx + cy * cy, x = (cy * ha - ay * hc) / d, y = (ax * hc - cx * ha) / d, cy = y + by; - var circle = d3_geom_voronoiCirclePool.pop() || new d3_geom_voronoiCircle(); - circle.arc = arc; - circle.site = cSite; - circle.x = x + bx; - circle.y = cy + Math.sqrt(x * x + y * y); - circle.cy = cy; - arc.circle = circle; - var before = null, node = d3_geom_voronoiCircles._; - while (node) { - if (circle.y < node.y || circle.y === node.y && circle.x <= node.x) { - if (node.L) node = node.L; else { - before = node.P; - break; - } - } else { - if (node.R) node = node.R; else { - before = node; - break; - } - } - } - d3_geom_voronoiCircles.insert(before, circle); - if (!before) d3_geom_voronoiFirstCircle = circle; - } - function d3_geom_voronoiDetachCircle(arc) { - var circle = arc.circle; - if (circle) { - if (!circle.P) d3_geom_voronoiFirstCircle = circle.N; - d3_geom_voronoiCircles.remove(circle); - d3_geom_voronoiCirclePool.push(circle); - d3_geom_voronoiRedBlackNode(circle); - arc.circle = null; - } - } - function d3_geom_voronoiClipEdges(extent) { - var edges = d3_geom_voronoiEdges, clip = d3_geom_clipLine(extent[0][0], extent[0][1], extent[1][0], extent[1][1]), i = edges.length, e; - while (i--) { - e = edges[i]; - if (!d3_geom_voronoiConnectEdge(e, extent) || !clip(e) || abs(e.a.x - e.b.x) < ε && abs(e.a.y - e.b.y) < ε) { - e.a = e.b = null; - edges.splice(i, 1); - } - } - } - function d3_geom_voronoiConnectEdge(edge, extent) { - var vb = edge.b; - if (vb) return true; - var va = edge.a, x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], lSite = edge.l, rSite = edge.r, lx = lSite.x, ly = lSite.y, rx = rSite.x, ry = rSite.y, fx = (lx + rx) / 2, fy = (ly + ry) / 2, fm, fb; - if (ry === ly) { - if (fx < x0 || fx >= x1) return; - if (lx > rx) { - if (!va) va = { - x: fx, - y: y0 - }; else if (va.y >= y1) return; - vb = { - x: fx, - y: y1 - }; - } else { - if (!va) va = { - x: fx, - y: y1 - }; else if (va.y < y0) return; - vb = { - x: fx, - y: y0 - }; - } - } else { - fm = (lx - rx) / (ry - ly); - fb = fy - fm * fx; - if (fm < -1 || fm > 1) { - if (lx > rx) { - if (!va) va = { - x: (y0 - fb) / fm, - y: y0 - }; else if (va.y >= y1) return; - vb = { - x: (y1 - fb) / fm, - y: y1 - }; - } else { - if (!va) va = { - x: (y1 - fb) / fm, - y: y1 - }; else if (va.y < y0) return; - vb = { - x: (y0 - fb) / fm, - y: y0 - }; - } - } else { - if (ly < ry) { - if (!va) va = { - x: x0, - y: fm * x0 + fb - }; else if (va.x >= x1) return; - vb = { - x: x1, - y: fm * x1 + fb - }; - } else { - if (!va) va = { - x: x1, - y: fm * x1 + fb - }; else if (va.x < x0) return; - vb = { - x: x0, - y: fm * x0 + fb - }; - } - } - } - edge.a = va; - edge.b = vb; - return true; - } - function d3_geom_voronoiEdge(lSite, rSite) { - this.l = lSite; - this.r = rSite; - this.a = this.b = null; - } - function d3_geom_voronoiCreateEdge(lSite, rSite, va, vb) { - var edge = new d3_geom_voronoiEdge(lSite, rSite); - d3_geom_voronoiEdges.push(edge); - if (va) d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, va); - if (vb) d3_geom_voronoiSetEdgeEnd(edge, rSite, lSite, vb); - d3_geom_voronoiCells[lSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, lSite, rSite)); - d3_geom_voronoiCells[rSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, rSite, lSite)); - return edge; - } - function d3_geom_voronoiCreateBorderEdge(lSite, va, vb) { - var edge = new d3_geom_voronoiEdge(lSite, null); - edge.a = va; - edge.b = vb; - d3_geom_voronoiEdges.push(edge); - return edge; - } - function d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, vertex) { - if (!edge.a && !edge.b) { - edge.a = vertex; - edge.l = lSite; - edge.r = rSite; - } else if (edge.l === rSite) { - edge.b = vertex; - } else { - edge.a = vertex; - } - } - function d3_geom_voronoiHalfEdge(edge, lSite, rSite) { - var va = edge.a, vb = edge.b; - this.edge = edge; - this.site = lSite; - this.angle = rSite ? Math.atan2(rSite.y - lSite.y, rSite.x - lSite.x) : edge.l === lSite ? Math.atan2(vb.x - va.x, va.y - vb.y) : Math.atan2(va.x - vb.x, vb.y - va.y); - } - d3_geom_voronoiHalfEdge.prototype = { - start: function() { - return this.edge.l === this.site ? this.edge.a : this.edge.b; - }, - end: function() { - return this.edge.l === this.site ? this.edge.b : this.edge.a; - } - }; - function d3_geom_voronoiRedBlackTree() { - this._ = null; - } - function d3_geom_voronoiRedBlackNode(node) { - node.U = node.C = node.L = node.R = node.P = node.N = null; - } - d3_geom_voronoiRedBlackTree.prototype = { - insert: function(after, node) { - var parent, grandpa, uncle; - if (after) { - node.P = after; - node.N = after.N; - if (after.N) after.N.P = node; - after.N = node; - if (after.R) { - after = after.R; - while (after.L) after = after.L; - after.L = node; - } else { - after.R = node; - } - parent = after; - } else if (this._) { - after = d3_geom_voronoiRedBlackFirst(this._); - node.P = null; - node.N = after; - after.P = after.L = node; - parent = after; - } else { - node.P = node.N = null; - this._ = node; - parent = null; - } - node.L = node.R = null; - node.U = parent; - node.C = true; - after = node; - while (parent && parent.C) { - grandpa = parent.U; - if (parent === grandpa.L) { - uncle = grandpa.R; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.R) { - d3_geom_voronoiRedBlackRotateLeft(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - d3_geom_voronoiRedBlackRotateRight(this, grandpa); - } - } else { - uncle = grandpa.L; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.L) { - d3_geom_voronoiRedBlackRotateRight(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - d3_geom_voronoiRedBlackRotateLeft(this, grandpa); - } - } - parent = after.U; - } - this._.C = false; - }, - remove: function(node) { - if (node.N) node.N.P = node.P; - if (node.P) node.P.N = node.N; - node.N = node.P = null; - var parent = node.U, sibling, left = node.L, right = node.R, next, red; - if (!left) next = right; else if (!right) next = left; else next = d3_geom_voronoiRedBlackFirst(right); - if (parent) { - if (parent.L === node) parent.L = next; else parent.R = next; - } else { - this._ = next; - } - if (left && right) { - red = next.C; - next.C = node.C; - next.L = left; - left.U = next; - if (next !== right) { - parent = next.U; - next.U = node.U; - node = next.R; - parent.L = node; - next.R = right; - right.U = next; - } else { - next.U = parent; - parent = next; - node = next.R; - } - } else { - red = node.C; - node = next; - } - if (node) node.U = parent; - if (red) return; - if (node && node.C) { - node.C = false; - return; - } - do { - if (node === this._) break; - if (node === parent.L) { - sibling = parent.R; - if (sibling.C) { - sibling.C = false; - parent.C = true; - d3_geom_voronoiRedBlackRotateLeft(this, parent); - sibling = parent.R; - } - if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) { - if (!sibling.R || !sibling.R.C) { - sibling.L.C = false; - sibling.C = true; - d3_geom_voronoiRedBlackRotateRight(this, sibling); - sibling = parent.R; - } - sibling.C = parent.C; - parent.C = sibling.R.C = false; - d3_geom_voronoiRedBlackRotateLeft(this, parent); - node = this._; - break; - } - } else { - sibling = parent.L; - if (sibling.C) { - sibling.C = false; - parent.C = true; - d3_geom_voronoiRedBlackRotateRight(this, parent); - sibling = parent.L; - } - if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) { - if (!sibling.L || !sibling.L.C) { - sibling.R.C = false; - sibling.C = true; - d3_geom_voronoiRedBlackRotateLeft(this, sibling); - sibling = parent.L; - } - sibling.C = parent.C; - parent.C = sibling.L.C = false; - d3_geom_voronoiRedBlackRotateRight(this, parent); - node = this._; - break; - } - } - sibling.C = true; - node = parent; - parent = parent.U; - } while (!node.C); - if (node) node.C = false; - } - }; - function d3_geom_voronoiRedBlackRotateLeft(tree, node) { - var p = node, q = node.R, parent = p.U; - if (parent) { - if (parent.L === p) parent.L = q; else parent.R = q; - } else { - tree._ = q; - } - q.U = parent; - p.U = q; - p.R = q.L; - if (p.R) p.R.U = p; - q.L = p; - } - function d3_geom_voronoiRedBlackRotateRight(tree, node) { - var p = node, q = node.L, parent = p.U; - if (parent) { - if (parent.L === p) parent.L = q; else parent.R = q; - } else { - tree._ = q; - } - q.U = parent; - p.U = q; - p.L = q.R; - if (p.L) p.L.U = p; - q.R = p; - } - function d3_geom_voronoiRedBlackFirst(node) { - while (node.L) node = node.L; - return node; - } - function d3_geom_voronoi(sites, bbox) { - var site = sites.sort(d3_geom_voronoiVertexOrder).pop(), x0, y0, circle; - d3_geom_voronoiEdges = []; - d3_geom_voronoiCells = new Array(sites.length); - d3_geom_voronoiBeaches = new d3_geom_voronoiRedBlackTree(); - d3_geom_voronoiCircles = new d3_geom_voronoiRedBlackTree(); - while (true) { - circle = d3_geom_voronoiFirstCircle; - if (site && (!circle || site.y < circle.y || site.y === circle.y && site.x < circle.x)) { - if (site.x !== x0 || site.y !== y0) { - d3_geom_voronoiCells[site.i] = new d3_geom_voronoiCell(site); - d3_geom_voronoiAddBeach(site); - x0 = site.x, y0 = site.y; - } - site = sites.pop(); - } else if (circle) { - d3_geom_voronoiRemoveBeach(circle.arc); - } else { - break; - } - } - if (bbox) d3_geom_voronoiClipEdges(bbox), d3_geom_voronoiCloseCells(bbox); - var diagram = { - cells: d3_geom_voronoiCells, - edges: d3_geom_voronoiEdges - }; - d3_geom_voronoiBeaches = d3_geom_voronoiCircles = d3_geom_voronoiEdges = d3_geom_voronoiCells = null; - return diagram; - } - function d3_geom_voronoiVertexOrder(a, b) { - return b.y - a.y || b.x - a.x; - } - d3.geom.voronoi = function(points) { - var x = d3_geom_pointX, y = d3_geom_pointY, fx = x, fy = y, clipExtent = d3_geom_voronoiClipExtent; - if (points) return voronoi(points); - function voronoi(data) { - var polygons = new Array(data.length), x0 = clipExtent[0][0], y0 = clipExtent[0][1], x1 = clipExtent[1][0], y1 = clipExtent[1][1]; - d3_geom_voronoi(sites(data), clipExtent).cells.forEach(function(cell, i) { - var edges = cell.edges, site = cell.site, polygon = polygons[i] = edges.length ? edges.map(function(e) { - var s = e.start(); - return [ s.x, s.y ]; - }) : site.x >= x0 && site.x <= x1 && site.y >= y0 && site.y <= y1 ? [ [ x0, y1 ], [ x1, y1 ], [ x1, y0 ], [ x0, y0 ] ] : []; - polygon.point = data[i]; - }); - return polygons; - } - function sites(data) { - return data.map(function(d, i) { - return { - x: Math.round(fx(d, i) / ε) * ε, - y: Math.round(fy(d, i) / ε) * ε, - i: i - }; - }); - } - voronoi.links = function(data) { - return d3_geom_voronoi(sites(data)).edges.filter(function(edge) { - return edge.l && edge.r; - }).map(function(edge) { - return { - source: data[edge.l.i], - target: data[edge.r.i] - }; - }); - }; - voronoi.triangles = function(data) { - var triangles = []; - d3_geom_voronoi(sites(data)).cells.forEach(function(cell, i) { - var site = cell.site, edges = cell.edges.sort(d3_geom_voronoiHalfEdgeOrder), j = -1, m = edges.length, e0, s0, e1 = edges[m - 1].edge, s1 = e1.l === site ? e1.r : e1.l; - while (++j < m) { - e0 = e1; - s0 = s1; - e1 = edges[j].edge; - s1 = e1.l === site ? e1.r : e1.l; - if (i < s0.i && i < s1.i && d3_geom_voronoiTriangleArea(site, s0, s1) < 0) { - triangles.push([ data[i], data[s0.i], data[s1.i] ]); - } - } - }); - return triangles; - }; - voronoi.x = function(_) { - return arguments.length ? (fx = d3_functor(x = _), voronoi) : x; - }; - voronoi.y = function(_) { - return arguments.length ? (fy = d3_functor(y = _), voronoi) : y; - }; - voronoi.clipExtent = function(_) { - if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent; - clipExtent = _ == null ? d3_geom_voronoiClipExtent : _; - return voronoi; - }; - voronoi.size = function(_) { - if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent && clipExtent[1]; - return voronoi.clipExtent(_ && [ [ 0, 0 ], _ ]); - }; - return voronoi; - }; - var d3_geom_voronoiClipExtent = [ [ -1e6, -1e6 ], [ 1e6, 1e6 ] ]; - function d3_geom_voronoiTriangleArea(a, b, c) { - return (a.x - c.x) * (b.y - a.y) - (a.x - b.x) * (c.y - a.y); - } - d3.geom.delaunay = function(vertices) { - return d3.geom.voronoi().triangles(vertices); - }; - d3.geom.quadtree = function(points, x1, y1, x2, y2) { - var x = d3_geom_pointX, y = d3_geom_pointY, compat; - if (compat = arguments.length) { - x = d3_geom_quadtreeCompatX; - y = d3_geom_quadtreeCompatY; - if (compat === 3) { - y2 = y1; - x2 = x1; - y1 = x1 = 0; - } - return quadtree(points); - } - function quadtree(data) { - var d, fx = d3_functor(x), fy = d3_functor(y), xs, ys, i, n, x1_, y1_, x2_, y2_; - if (x1 != null) { - x1_ = x1, y1_ = y1, x2_ = x2, y2_ = y2; - } else { - x2_ = y2_ = -(x1_ = y1_ = Infinity); - xs = [], ys = []; - n = data.length; - if (compat) for (i = 0; i < n; ++i) { - d = data[i]; - if (d.x < x1_) x1_ = d.x; - if (d.y < y1_) y1_ = d.y; - if (d.x > x2_) x2_ = d.x; - if (d.y > y2_) y2_ = d.y; - xs.push(d.x); - ys.push(d.y); - } else for (i = 0; i < n; ++i) { - var x_ = +fx(d = data[i], i), y_ = +fy(d, i); - if (x_ < x1_) x1_ = x_; - if (y_ < y1_) y1_ = y_; - if (x_ > x2_) x2_ = x_; - if (y_ > y2_) y2_ = y_; - xs.push(x_); - ys.push(y_); - } - } - var dx = x2_ - x1_, dy = y2_ - y1_; - if (dx > dy) y2_ = y1_ + dx; else x2_ = x1_ + dy; - function insert(n, d, x, y, x1, y1, x2, y2) { - if (isNaN(x) || isNaN(y)) return; - if (n.leaf) { - var nx = n.x, ny = n.y; - if (nx != null) { - if (abs(nx - x) + abs(ny - y) < .01) { - insertChild(n, d, x, y, x1, y1, x2, y2); - } else { - var nPoint = n.point; - n.x = n.y = n.point = null; - insertChild(n, nPoint, nx, ny, x1, y1, x2, y2); - insertChild(n, d, x, y, x1, y1, x2, y2); - } - } else { - n.x = x, n.y = y, n.point = d; - } - } else { - insertChild(n, d, x, y, x1, y1, x2, y2); - } - } - function insertChild(n, d, x, y, x1, y1, x2, y2) { - var xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym, i = below << 1 | right; - n.leaf = false; - n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode()); - if (right) x1 = xm; else x2 = xm; - if (below) y1 = ym; else y2 = ym; - insert(n, d, x, y, x1, y1, x2, y2); - } - var root = d3_geom_quadtreeNode(); - root.add = function(d) { - insert(root, d, +fx(d, ++i), +fy(d, i), x1_, y1_, x2_, y2_); - }; - root.visit = function(f) { - d3_geom_quadtreeVisit(f, root, x1_, y1_, x2_, y2_); - }; - root.find = function(point) { - return d3_geom_quadtreeFind(root, point[0], point[1], x1_, y1_, x2_, y2_); - }; - i = -1; - if (x1 == null) { - while (++i < n) { - insert(root, data[i], xs[i], ys[i], x1_, y1_, x2_, y2_); - } - --i; - } else data.forEach(root.add); - xs = ys = data = d = null; - return root; - } - quadtree.x = function(_) { - return arguments.length ? (x = _, quadtree) : x; - }; - quadtree.y = function(_) { - return arguments.length ? (y = _, quadtree) : y; - }; - quadtree.extent = function(_) { - if (!arguments.length) return x1 == null ? null : [ [ x1, y1 ], [ x2, y2 ] ]; - if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = +_[0][0], y1 = +_[0][1], x2 = +_[1][0], - y2 = +_[1][1]; - return quadtree; - }; - quadtree.size = function(_) { - if (!arguments.length) return x1 == null ? null : [ x2 - x1, y2 - y1 ]; - if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = y1 = 0, x2 = +_[0], y2 = +_[1]; - return quadtree; - }; - return quadtree; - }; - function d3_geom_quadtreeCompatX(d) { - return d.x; - } - function d3_geom_quadtreeCompatY(d) { - return d.y; - } - function d3_geom_quadtreeNode() { - return { - leaf: true, - nodes: [], - point: null, - x: null, - y: null - }; - } - function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) { - if (!f(node, x1, y1, x2, y2)) { - var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes; - if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy); - if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy); - if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2); - if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2); - } - } - function d3_geom_quadtreeFind(root, x, y, x0, y0, x3, y3) { - var minDistance2 = Infinity, closestPoint; - (function find(node, x1, y1, x2, y2) { - if (x1 > x3 || y1 > y3 || x2 < x0 || y2 < y0) return; - if (point = node.point) { - var point, dx = x - node.x, dy = y - node.y, distance2 = dx * dx + dy * dy; - if (distance2 < minDistance2) { - var distance = Math.sqrt(minDistance2 = distance2); - x0 = x - distance, y0 = y - distance; - x3 = x + distance, y3 = y + distance; - closestPoint = point; - } - } - var children = node.nodes, xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym; - for (var i = below << 1 | right, j = i + 4; i < j; ++i) { - if (node = children[i & 3]) switch (i & 3) { - case 0: - find(node, x1, y1, xm, ym); - break; - - case 1: - find(node, xm, y1, x2, ym); - break; - - case 2: - find(node, x1, ym, xm, y2); - break; - - case 3: - find(node, xm, ym, x2, y2); - break; - } - } - })(root, x0, y0, x3, y3); - return closestPoint; - } - d3.interpolateRgb = d3_interpolateRgb; - function d3_interpolateRgb(a, b) { - a = d3.rgb(a); - b = d3.rgb(b); - var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab; - return function(t) { - return "#" + d3_rgb_hex(Math.round(ar + br * t)) + d3_rgb_hex(Math.round(ag + bg * t)) + d3_rgb_hex(Math.round(ab + bb * t)); - }; - } - d3.interpolateObject = d3_interpolateObject; - function d3_interpolateObject(a, b) { - var i = {}, c = {}, k; - for (k in a) { - if (k in b) { - i[k] = d3_interpolate(a[k], b[k]); - } else { - c[k] = a[k]; - } - } - for (k in b) { - if (!(k in a)) { - c[k] = b[k]; - } - } - return function(t) { - for (k in i) c[k] = i[k](t); - return c; - }; - } - d3.interpolateNumber = d3_interpolateNumber; - function d3_interpolateNumber(a, b) { - a = +a, b = +b; - return function(t) { - return a * (1 - t) + b * t; - }; - } - d3.interpolateString = d3_interpolateString; - function d3_interpolateString(a, b) { - var bi = d3_interpolate_numberA.lastIndex = d3_interpolate_numberB.lastIndex = 0, am, bm, bs, i = -1, s = [], q = []; - a = a + "", b = b + ""; - while ((am = d3_interpolate_numberA.exec(a)) && (bm = d3_interpolate_numberB.exec(b))) { - if ((bs = bm.index) > bi) { - bs = b.slice(bi, bs); - if (s[i]) s[i] += bs; else s[++i] = bs; - } - if ((am = am[0]) === (bm = bm[0])) { - if (s[i]) s[i] += bm; else s[++i] = bm; - } else { - s[++i] = null; - q.push({ - i: i, - x: d3_interpolateNumber(am, bm) - }); - } - bi = d3_interpolate_numberB.lastIndex; - } - if (bi < b.length) { - bs = b.slice(bi); - if (s[i]) s[i] += bs; else s[++i] = bs; - } - return s.length < 2 ? q[0] ? (b = q[0].x, function(t) { - return b(t) + ""; - }) : function() { - return b; - } : (b = q.length, function(t) { - for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); - return s.join(""); - }); - } - var d3_interpolate_numberA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g, d3_interpolate_numberB = new RegExp(d3_interpolate_numberA.source, "g"); - d3.interpolate = d3_interpolate; - function d3_interpolate(a, b) { - var i = d3.interpolators.length, f; - while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ; - return f; - } - d3.interpolators = [ function(a, b) { - var t = typeof b; - return (t === "string" ? d3_rgb_names.has(b.toLowerCase()) || /^(#|rgb\(|hsl\()/i.test(b) ? d3_interpolateRgb : d3_interpolateString : b instanceof d3_color ? d3_interpolateRgb : Array.isArray(b) ? d3_interpolateArray : t === "object" && isNaN(b) ? d3_interpolateObject : d3_interpolateNumber)(a, b); - } ]; - d3.interpolateArray = d3_interpolateArray; - function d3_interpolateArray(a, b) { - var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i; - for (i = 0; i < n0; ++i) x.push(d3_interpolate(a[i], b[i])); - for (;i < na; ++i) c[i] = a[i]; - for (;i < nb; ++i) c[i] = b[i]; - return function(t) { - for (i = 0; i < n0; ++i) c[i] = x[i](t); - return c; - }; - } - var d3_ease_default = function() { - return d3_identity; - }; - var d3_ease = d3.map({ - linear: d3_ease_default, - poly: d3_ease_poly, - quad: function() { - return d3_ease_quad; - }, - cubic: function() { - return d3_ease_cubic; - }, - sin: function() { - return d3_ease_sin; - }, - exp: function() { - return d3_ease_exp; - }, - circle: function() { - return d3_ease_circle; - }, - elastic: d3_ease_elastic, - back: d3_ease_back, - bounce: function() { - return d3_ease_bounce; - } - }); - var d3_ease_mode = d3.map({ - "in": d3_identity, - out: d3_ease_reverse, - "in-out": d3_ease_reflect, - "out-in": function(f) { - return d3_ease_reflect(d3_ease_reverse(f)); - } - }); - d3.ease = function(name) { - var i = name.indexOf("-"), t = i >= 0 ? name.slice(0, i) : name, m = i >= 0 ? name.slice(i + 1) : "in"; - t = d3_ease.get(t) || d3_ease_default; - m = d3_ease_mode.get(m) || d3_identity; - return d3_ease_clamp(m(t.apply(null, d3_arraySlice.call(arguments, 1)))); - }; - function d3_ease_clamp(f) { - return function(t) { - return t <= 0 ? 0 : t >= 1 ? 1 : f(t); - }; - } - function d3_ease_reverse(f) { - return function(t) { - return 1 - f(1 - t); - }; - } - function d3_ease_reflect(f) { - return function(t) { - return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t)); - }; - } - function d3_ease_quad(t) { - return t * t; - } - function d3_ease_cubic(t) { - return t * t * t; - } - function d3_ease_cubicInOut(t) { - if (t <= 0) return 0; - if (t >= 1) return 1; - var t2 = t * t, t3 = t2 * t; - return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75); - } - function d3_ease_poly(e) { - return function(t) { - return Math.pow(t, e); - }; - } - function d3_ease_sin(t) { - return 1 - Math.cos(t * halfπ); - } - function d3_ease_exp(t) { - return Math.pow(2, 10 * (t - 1)); - } - function d3_ease_circle(t) { - return 1 - Math.sqrt(1 - t * t); - } - function d3_ease_elastic(a, p) { - var s; - if (arguments.length < 2) p = .45; - if (arguments.length) s = p / τ * Math.asin(1 / a); else a = 1, s = p / 4; - return function(t) { - return 1 + a * Math.pow(2, -10 * t) * Math.sin((t - s) * τ / p); - }; - } - function d3_ease_back(s) { - if (!s) s = 1.70158; - return function(t) { - return t * t * ((s + 1) * t - s); - }; - } - function d3_ease_bounce(t) { - return t < 1 / 2.75 ? 7.5625 * t * t : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 : 7.5625 * (t -= 2.625 / 2.75) * t + .984375; - } - d3.interpolateHcl = d3_interpolateHcl; - function d3_interpolateHcl(a, b) { - a = d3.hcl(a); - b = d3.hcl(b); - var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al; - if (isNaN(bc)) bc = 0, ac = isNaN(ac) ? b.c : ac; - if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360; - return function(t) { - return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + ""; - }; - } - d3.interpolateHsl = d3_interpolateHsl; - function d3_interpolateHsl(a, b) { - a = d3.hsl(a); - b = d3.hsl(b); - var ah = a.h, as = a.s, al = a.l, bh = b.h - ah, bs = b.s - as, bl = b.l - al; - if (isNaN(bs)) bs = 0, as = isNaN(as) ? b.s : as; - if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360; - return function(t) { - return d3_hsl_rgb(ah + bh * t, as + bs * t, al + bl * t) + ""; - }; - } - d3.interpolateLab = d3_interpolateLab; - function d3_interpolateLab(a, b) { - a = d3.lab(a); - b = d3.lab(b); - var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab; - return function(t) { - return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + ""; - }; - } - d3.interpolateRound = d3_interpolateRound; - function d3_interpolateRound(a, b) { - b -= a; - return function(t) { - return Math.round(a + b * t); - }; - } - d3.transform = function(string) { - var g = d3_document.createElementNS(d3.ns.prefix.svg, "g"); - return (d3.transform = function(string) { - if (string != null) { - g.setAttribute("transform", string); - var t = g.transform.baseVal.consolidate(); - } - return new d3_transform(t ? t.matrix : d3_transformIdentity); - })(string); - }; - function d3_transform(m) { - var r0 = [ m.a, m.b ], r1 = [ m.c, m.d ], kx = d3_transformNormalize(r0), kz = d3_transformDot(r0, r1), ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0; - if (r0[0] * r1[1] < r1[0] * r0[1]) { - r0[0] *= -1; - r0[1] *= -1; - kx *= -1; - kz *= -1; - } - this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees; - this.translate = [ m.e, m.f ]; - this.scale = [ kx, ky ]; - this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0; - } - d3_transform.prototype.toString = function() { - return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")"; - }; - function d3_transformDot(a, b) { - return a[0] * b[0] + a[1] * b[1]; - } - function d3_transformNormalize(a) { - var k = Math.sqrt(d3_transformDot(a, a)); - if (k) { - a[0] /= k; - a[1] /= k; - } - return k; - } - function d3_transformCombine(a, b, k) { - a[0] += k * b[0]; - a[1] += k * b[1]; - return a; - } - var d3_transformIdentity = { - a: 1, - b: 0, - c: 0, - d: 1, - e: 0, - f: 0 - }; - d3.interpolateTransform = d3_interpolateTransform; - function d3_interpolateTransformPop(s) { - return s.length ? s.pop() + "," : ""; - } - function d3_interpolateTranslate(ta, tb, s, q) { - if (ta[0] !== tb[0] || ta[1] !== tb[1]) { - var i = s.push("translate(", null, ",", null, ")"); - q.push({ - i: i - 4, - x: d3_interpolateNumber(ta[0], tb[0]) - }, { - i: i - 2, - x: d3_interpolateNumber(ta[1], tb[1]) - }); - } else if (tb[0] || tb[1]) { - s.push("translate(" + tb + ")"); - } - } - function d3_interpolateRotate(ra, rb, s, q) { - if (ra !== rb) { - if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360; - q.push({ - i: s.push(d3_interpolateTransformPop(s) + "rotate(", null, ")") - 2, - x: d3_interpolateNumber(ra, rb) - }); - } else if (rb) { - s.push(d3_interpolateTransformPop(s) + "rotate(" + rb + ")"); - } - } - function d3_interpolateSkew(wa, wb, s, q) { - if (wa !== wb) { - q.push({ - i: s.push(d3_interpolateTransformPop(s) + "skewX(", null, ")") - 2, - x: d3_interpolateNumber(wa, wb) - }); - } else if (wb) { - s.push(d3_interpolateTransformPop(s) + "skewX(" + wb + ")"); - } - } - function d3_interpolateScale(ka, kb, s, q) { - if (ka[0] !== kb[0] || ka[1] !== kb[1]) { - var i = s.push(d3_interpolateTransformPop(s) + "scale(", null, ",", null, ")"); - q.push({ - i: i - 4, - x: d3_interpolateNumber(ka[0], kb[0]) - }, { - i: i - 2, - x: d3_interpolateNumber(ka[1], kb[1]) - }); - } else if (kb[0] !== 1 || kb[1] !== 1) { - s.push(d3_interpolateTransformPop(s) + "scale(" + kb + ")"); - } - } - function d3_interpolateTransform(a, b) { - var s = [], q = []; - a = d3.transform(a), b = d3.transform(b); - d3_interpolateTranslate(a.translate, b.translate, s, q); - d3_interpolateRotate(a.rotate, b.rotate, s, q); - d3_interpolateSkew(a.skew, b.skew, s, q); - d3_interpolateScale(a.scale, b.scale, s, q); - a = b = null; - return function(t) { - var i = -1, n = q.length, o; - while (++i < n) s[(o = q[i]).i] = o.x(t); - return s.join(""); - }; - } - function d3_uninterpolateNumber(a, b) { - b = (b -= a = +a) || 1 / b; - return function(x) { - return (x - a) / b; - }; - } - function d3_uninterpolateClamp(a, b) { - b = (b -= a = +a) || 1 / b; - return function(x) { - return Math.max(0, Math.min(1, (x - a) / b)); - }; - } - d3.layout = {}; - d3.layout.bundle = function() { - return function(links) { - var paths = [], i = -1, n = links.length; - while (++i < n) paths.push(d3_layout_bundlePath(links[i])); - return paths; - }; - }; - function d3_layout_bundlePath(link) { - var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ]; - while (start !== lca) { - start = start.parent; - points.push(start); - } - var k = points.length; - while (end !== lca) { - points.splice(k, 0, end); - end = end.parent; - } - return points; - } - function d3_layout_bundleAncestors(node) { - var ancestors = [], parent = node.parent; - while (parent != null) { - ancestors.push(node); - node = parent; - parent = parent.parent; - } - ancestors.push(node); - return ancestors; - } - function d3_layout_bundleLeastCommonAncestor(a, b) { - if (a === b) return a; - var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null; - while (aNode === bNode) { - sharedNode = aNode; - aNode = aNodes.pop(); - bNode = bNodes.pop(); - } - return sharedNode; - } - d3.layout.chord = function() { - var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords; - function relayout() { - var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j; - chords = []; - groups = []; - k = 0, i = -1; - while (++i < n) { - x = 0, j = -1; - while (++j < n) { - x += matrix[i][j]; - } - groupSums.push(x); - subgroupIndex.push(d3.range(n)); - k += x; - } - if (sortGroups) { - groupIndex.sort(function(a, b) { - return sortGroups(groupSums[a], groupSums[b]); - }); - } - if (sortSubgroups) { - subgroupIndex.forEach(function(d, i) { - d.sort(function(a, b) { - return sortSubgroups(matrix[i][a], matrix[i][b]); - }); - }); - } - k = (τ - padding * n) / k; - x = 0, i = -1; - while (++i < n) { - x0 = x, j = -1; - while (++j < n) { - var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k; - subgroups[di + "-" + dj] = { - index: di, - subindex: dj, - startAngle: a0, - endAngle: a1, - value: v - }; - } - groups[di] = { - index: di, - startAngle: x0, - endAngle: x, - value: groupSums[di] - }; - x += padding; - } - i = -1; - while (++i < n) { - j = i - 1; - while (++j < n) { - var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i]; - if (source.value || target.value) { - chords.push(source.value < target.value ? { - source: target, - target: source - } : { - source: source, - target: target - }); - } - } - } - if (sortChords) resort(); - } - function resort() { - chords.sort(function(a, b) { - return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2); - }); - } - chord.matrix = function(x) { - if (!arguments.length) return matrix; - n = (matrix = x) && matrix.length; - chords = groups = null; - return chord; - }; - chord.padding = function(x) { - if (!arguments.length) return padding; - padding = x; - chords = groups = null; - return chord; - }; - chord.sortGroups = function(x) { - if (!arguments.length) return sortGroups; - sortGroups = x; - chords = groups = null; - return chord; - }; - chord.sortSubgroups = function(x) { - if (!arguments.length) return sortSubgroups; - sortSubgroups = x; - chords = null; - return chord; - }; - chord.sortChords = function(x) { - if (!arguments.length) return sortChords; - sortChords = x; - if (chords) resort(); - return chord; - }; - chord.chords = function() { - if (!chords) relayout(); - return chords; - }; - chord.groups = function() { - if (!groups) relayout(); - return groups; - }; - return chord; - }; - d3.layout.force = function() { - var force = {}, event = d3.dispatch("start", "tick", "end"), timer, size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, chargeDistance2 = d3_layout_forceChargeDistance2, gravity = .1, theta2 = .64, nodes = [], links = [], distances, strengths, charges; - function repulse(node) { - return function(quad, x1, _, x2) { - if (quad.point !== node) { - var dx = quad.cx - node.x, dy = quad.cy - node.y, dw = x2 - x1, dn = dx * dx + dy * dy; - if (dw * dw / theta2 < dn) { - if (dn < chargeDistance2) { - var k = quad.charge / dn; - node.px -= dx * k; - node.py -= dy * k; - } - return true; - } - if (quad.point && dn && dn < chargeDistance2) { - var k = quad.pointCharge / dn; - node.px -= dx * k; - node.py -= dy * k; - } - } - return !quad.charge; - }; - } - force.tick = function() { - if ((alpha *= .99) < .005) { - timer = null; - event.end({ - type: "end", - alpha: alpha = 0 - }); - return true; - } - var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y; - for (i = 0; i < m; ++i) { - o = links[i]; - s = o.source; - t = o.target; - x = t.x - s.x; - y = t.y - s.y; - if (l = x * x + y * y) { - l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l; - x *= l; - y *= l; - t.x -= x * (k = s.weight + t.weight ? s.weight / (s.weight + t.weight) : .5); - t.y -= y * k; - s.x += x * (k = 1 - k); - s.y += y * k; - } - } - if (k = alpha * gravity) { - x = size[0] / 2; - y = size[1] / 2; - i = -1; - if (k) while (++i < n) { - o = nodes[i]; - o.x += (x - o.x) * k; - o.y += (y - o.y) * k; - } - } - if (charge) { - d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges); - i = -1; - while (++i < n) { - if (!(o = nodes[i]).fixed) { - q.visit(repulse(o)); - } - } - } - i = -1; - while (++i < n) { - o = nodes[i]; - if (o.fixed) { - o.x = o.px; - o.y = o.py; - } else { - o.x -= (o.px - (o.px = o.x)) * friction; - o.y -= (o.py - (o.py = o.y)) * friction; - } - } - event.tick({ - type: "tick", - alpha: alpha - }); - }; - force.nodes = function(x) { - if (!arguments.length) return nodes; - nodes = x; - return force; - }; - force.links = function(x) { - if (!arguments.length) return links; - links = x; - return force; - }; - force.size = function(x) { - if (!arguments.length) return size; - size = x; - return force; - }; - force.linkDistance = function(x) { - if (!arguments.length) return linkDistance; - linkDistance = typeof x === "function" ? x : +x; - return force; - }; - force.distance = force.linkDistance; - force.linkStrength = function(x) { - if (!arguments.length) return linkStrength; - linkStrength = typeof x === "function" ? x : +x; - return force; - }; - force.friction = function(x) { - if (!arguments.length) return friction; - friction = +x; - return force; - }; - force.charge = function(x) { - if (!arguments.length) return charge; - charge = typeof x === "function" ? x : +x; - return force; - }; - force.chargeDistance = function(x) { - if (!arguments.length) return Math.sqrt(chargeDistance2); - chargeDistance2 = x * x; - return force; - }; - force.gravity = function(x) { - if (!arguments.length) return gravity; - gravity = +x; - return force; - }; - force.theta = function(x) { - if (!arguments.length) return Math.sqrt(theta2); - theta2 = x * x; - return force; - }; - force.alpha = function(x) { - if (!arguments.length) return alpha; - x = +x; - if (alpha) { - if (x > 0) { - alpha = x; - } else { - timer.c = null, timer.t = NaN, timer = null; - event.end({ - type: "end", - alpha: alpha = 0 - }); - } - } else if (x > 0) { - event.start({ - type: "start", - alpha: alpha = x - }); - timer = d3_timer(force.tick); - } - return force; - }; - force.start = function() { - var i, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o; - for (i = 0; i < n; ++i) { - (o = nodes[i]).index = i; - o.weight = 0; - } - for (i = 0; i < m; ++i) { - o = links[i]; - if (typeof o.source == "number") o.source = nodes[o.source]; - if (typeof o.target == "number") o.target = nodes[o.target]; - ++o.source.weight; - ++o.target.weight; - } - for (i = 0; i < n; ++i) { - o = nodes[i]; - if (isNaN(o.x)) o.x = position("x", w); - if (isNaN(o.y)) o.y = position("y", h); - if (isNaN(o.px)) o.px = o.x; - if (isNaN(o.py)) o.py = o.y; - } - distances = []; - if (typeof linkDistance === "function") for (i = 0; i < m; ++i) distances[i] = +linkDistance.call(this, links[i], i); else for (i = 0; i < m; ++i) distances[i] = linkDistance; - strengths = []; - if (typeof linkStrength === "function") for (i = 0; i < m; ++i) strengths[i] = +linkStrength.call(this, links[i], i); else for (i = 0; i < m; ++i) strengths[i] = linkStrength; - charges = []; - if (typeof charge === "function") for (i = 0; i < n; ++i) charges[i] = +charge.call(this, nodes[i], i); else for (i = 0; i < n; ++i) charges[i] = charge; - function position(dimension, size) { - if (!neighbors) { - neighbors = new Array(n); - for (j = 0; j < n; ++j) { - neighbors[j] = []; - } - for (j = 0; j < m; ++j) { - var o = links[j]; - neighbors[o.source.index].push(o.target); - neighbors[o.target.index].push(o.source); - } - } - var candidates = neighbors[i], j = -1, l = candidates.length, x; - while (++j < l) if (!isNaN(x = candidates[j][dimension])) return x; - return Math.random() * size; - } - return force.resume(); - }; - force.resume = function() { - return force.alpha(.1); - }; - force.stop = function() { - return force.alpha(0); - }; - force.drag = function() { - if (!drag) drag = d3.behavior.drag().origin(d3_identity).on("dragstart.force", d3_layout_forceDragstart).on("drag.force", dragmove).on("dragend.force", d3_layout_forceDragend); - if (!arguments.length) return drag; - this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag); - }; - function dragmove(d) { - d.px = d3.event.x, d.py = d3.event.y; - force.resume(); - } - return d3.rebind(force, event, "on"); - }; - function d3_layout_forceDragstart(d) { - d.fixed |= 2; - } - function d3_layout_forceDragend(d) { - d.fixed &= ~6; - } - function d3_layout_forceMouseover(d) { - d.fixed |= 4; - d.px = d.x, d.py = d.y; - } - function d3_layout_forceMouseout(d) { - d.fixed &= ~4; - } - function d3_layout_forceAccumulate(quad, alpha, charges) { - var cx = 0, cy = 0; - quad.charge = 0; - if (!quad.leaf) { - var nodes = quad.nodes, n = nodes.length, i = -1, c; - while (++i < n) { - c = nodes[i]; - if (c == null) continue; - d3_layout_forceAccumulate(c, alpha, charges); - quad.charge += c.charge; - cx += c.charge * c.cx; - cy += c.charge * c.cy; - } - } - if (quad.point) { - if (!quad.leaf) { - quad.point.x += Math.random() - .5; - quad.point.y += Math.random() - .5; - } - var k = alpha * charges[quad.point.index]; - quad.charge += quad.pointCharge = k; - cx += k * quad.point.x; - cy += k * quad.point.y; - } - quad.cx = cx / quad.charge; - quad.cy = cy / quad.charge; - } - var d3_layout_forceLinkDistance = 20, d3_layout_forceLinkStrength = 1, d3_layout_forceChargeDistance2 = Infinity; - d3.layout.hierarchy = function() { - var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue; - function hierarchy(root) { - var stack = [ root ], nodes = [], node; - root.depth = 0; - while ((node = stack.pop()) != null) { - nodes.push(node); - if ((childs = children.call(hierarchy, node, node.depth)) && (n = childs.length)) { - var n, childs, child; - while (--n >= 0) { - stack.push(child = childs[n]); - child.parent = node; - child.depth = node.depth + 1; - } - if (value) node.value = 0; - node.children = childs; - } else { - if (value) node.value = +value.call(hierarchy, node, node.depth) || 0; - delete node.children; - } - } - d3_layout_hierarchyVisitAfter(root, function(node) { - var childs, parent; - if (sort && (childs = node.children)) childs.sort(sort); - if (value && (parent = node.parent)) parent.value += node.value; - }); - return nodes; - } - hierarchy.sort = function(x) { - if (!arguments.length) return sort; - sort = x; - return hierarchy; - }; - hierarchy.children = function(x) { - if (!arguments.length) return children; - children = x; - return hierarchy; - }; - hierarchy.value = function(x) { - if (!arguments.length) return value; - value = x; - return hierarchy; - }; - hierarchy.revalue = function(root) { - if (value) { - d3_layout_hierarchyVisitBefore(root, function(node) { - if (node.children) node.value = 0; - }); - d3_layout_hierarchyVisitAfter(root, function(node) { - var parent; - if (!node.children) node.value = +value.call(hierarchy, node, node.depth) || 0; - if (parent = node.parent) parent.value += node.value; - }); - } - return root; - }; - return hierarchy; - }; - function d3_layout_hierarchyRebind(object, hierarchy) { - d3.rebind(object, hierarchy, "sort", "children", "value"); - object.nodes = object; - object.links = d3_layout_hierarchyLinks; - return object; - } - function d3_layout_hierarchyVisitBefore(node, callback) { - var nodes = [ node ]; - while ((node = nodes.pop()) != null) { - callback(node); - if ((children = node.children) && (n = children.length)) { - var n, children; - while (--n >= 0) nodes.push(children[n]); - } - } - } - function d3_layout_hierarchyVisitAfter(node, callback) { - var nodes = [ node ], nodes2 = []; - while ((node = nodes.pop()) != null) { - nodes2.push(node); - if ((children = node.children) && (n = children.length)) { - var i = -1, n, children; - while (++i < n) nodes.push(children[i]); - } - } - while ((node = nodes2.pop()) != null) { - callback(node); - } - } - function d3_layout_hierarchyChildren(d) { - return d.children; - } - function d3_layout_hierarchyValue(d) { - return d.value; - } - function d3_layout_hierarchySort(a, b) { - return b.value - a.value; - } - function d3_layout_hierarchyLinks(nodes) { - return d3.merge(nodes.map(function(parent) { - return (parent.children || []).map(function(child) { - return { - source: parent, - target: child - }; - }); - })); - } - d3.layout.partition = function() { - var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ]; - function position(node, x, dx, dy) { - var children = node.children; - node.x = x; - node.y = node.depth * dy; - node.dx = dx; - node.dy = dy; - if (children && (n = children.length)) { - var i = -1, n, c, d; - dx = node.value ? dx / node.value : 0; - while (++i < n) { - position(c = children[i], x, d = c.value * dx, dy); - x += d; - } - } - } - function depth(node) { - var children = node.children, d = 0; - if (children && (n = children.length)) { - var i = -1, n; - while (++i < n) d = Math.max(d, depth(children[i])); - } - return 1 + d; - } - function partition(d, i) { - var nodes = hierarchy.call(this, d, i); - position(nodes[0], 0, size[0], size[1] / depth(nodes[0])); - return nodes; - } - partition.size = function(x) { - if (!arguments.length) return size; - size = x; - return partition; - }; - return d3_layout_hierarchyRebind(partition, hierarchy); - }; - d3.layout.pie = function() { - var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = τ, padAngle = 0; - function pie(data) { - var n = data.length, values = data.map(function(d, i) { - return +value.call(pie, d, i); - }), a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle), da = (typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a, p = Math.min(Math.abs(da) / n, +(typeof padAngle === "function" ? padAngle.apply(this, arguments) : padAngle)), pa = p * (da < 0 ? -1 : 1), sum = d3.sum(values), k = sum ? (da - n * pa) / sum : 0, index = d3.range(n), arcs = [], v; - if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) { - return values[j] - values[i]; - } : function(i, j) { - return sort(data[i], data[j]); - }); - index.forEach(function(i) { - arcs[i] = { - data: data[i], - value: v = values[i], - startAngle: a, - endAngle: a += v * k + pa, - padAngle: p - }; - }); - return arcs; - } - pie.value = function(_) { - if (!arguments.length) return value; - value = _; - return pie; - }; - pie.sort = function(_) { - if (!arguments.length) return sort; - sort = _; - return pie; - }; - pie.startAngle = function(_) { - if (!arguments.length) return startAngle; - startAngle = _; - return pie; - }; - pie.endAngle = function(_) { - if (!arguments.length) return endAngle; - endAngle = _; - return pie; - }; - pie.padAngle = function(_) { - if (!arguments.length) return padAngle; - padAngle = _; - return pie; - }; - return pie; - }; - var d3_layout_pieSortByValue = {}; - d3.layout.stack = function() { - var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY; - function stack(data, index) { - if (!(n = data.length)) return data; - var series = data.map(function(d, i) { - return values.call(stack, d, i); - }); - var points = series.map(function(d) { - return d.map(function(v, i) { - return [ x.call(stack, v, i), y.call(stack, v, i) ]; - }); - }); - var orders = order.call(stack, points, index); - series = d3.permute(series, orders); - points = d3.permute(points, orders); - var offsets = offset.call(stack, points, index); - var m = series[0].length, n, i, j, o; - for (j = 0; j < m; ++j) { - out.call(stack, series[0][j], o = offsets[j], points[0][j][1]); - for (i = 1; i < n; ++i) { - out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]); - } - } - return data; - } - stack.values = function(x) { - if (!arguments.length) return values; - values = x; - return stack; - }; - stack.order = function(x) { - if (!arguments.length) return order; - order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault; - return stack; - }; - stack.offset = function(x) { - if (!arguments.length) return offset; - offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero; - return stack; - }; - stack.x = function(z) { - if (!arguments.length) return x; - x = z; - return stack; - }; - stack.y = function(z) { - if (!arguments.length) return y; - y = z; - return stack; - }; - stack.out = function(z) { - if (!arguments.length) return out; - out = z; - return stack; - }; - return stack; - }; - function d3_layout_stackX(d) { - return d.x; - } - function d3_layout_stackY(d) { - return d.y; - } - function d3_layout_stackOut(d, y0, y) { - d.y0 = y0; - d.y = y; - } - var d3_layout_stackOrders = d3.map({ - "inside-out": function(data) { - var n = data.length, i, j, max = data.map(d3_layout_stackMaxIndex), sums = data.map(d3_layout_stackReduceSum), index = d3.range(n).sort(function(a, b) { - return max[a] - max[b]; - }), top = 0, bottom = 0, tops = [], bottoms = []; - for (i = 0; i < n; ++i) { - j = index[i]; - if (top < bottom) { - top += sums[j]; - tops.push(j); - } else { - bottom += sums[j]; - bottoms.push(j); - } - } - return bottoms.reverse().concat(tops); - }, - reverse: function(data) { - return d3.range(data.length).reverse(); - }, - "default": d3_layout_stackOrderDefault - }); - var d3_layout_stackOffsets = d3.map({ - silhouette: function(data) { - var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = []; - for (j = 0; j < m; ++j) { - for (i = 0, o = 0; i < n; i++) o += data[i][j][1]; - if (o > max) max = o; - sums.push(o); - } - for (j = 0; j < m; ++j) { - y0[j] = (max - sums[j]) / 2; - } - return y0; - }, - wiggle: function(data) { - var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = []; - y0[0] = o = o0 = 0; - for (j = 1; j < m; ++j) { - for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1]; - for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) { - for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) { - s3 += (data[k][j][1] - data[k][j - 1][1]) / dx; - } - s2 += s3 * data[i][j][1]; - } - y0[j] = o -= s1 ? s2 / s1 * dx : 0; - if (o < o0) o0 = o; - } - for (j = 0; j < m; ++j) y0[j] -= o0; - return y0; - }, - expand: function(data) { - var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = []; - for (j = 0; j < m; ++j) { - for (i = 0, o = 0; i < n; i++) o += data[i][j][1]; - if (o) for (i = 0; i < n; i++) data[i][j][1] /= o; else for (i = 0; i < n; i++) data[i][j][1] = k; - } - for (j = 0; j < m; ++j) y0[j] = 0; - return y0; - }, - zero: d3_layout_stackOffsetZero - }); - function d3_layout_stackOrderDefault(data) { - return d3.range(data.length); - } - function d3_layout_stackOffsetZero(data) { - var j = -1, m = data[0].length, y0 = []; - while (++j < m) y0[j] = 0; - return y0; - } - function d3_layout_stackMaxIndex(array) { - var i = 1, j = 0, v = array[0][1], k, n = array.length; - for (;i < n; ++i) { - if ((k = array[i][1]) > v) { - j = i; - v = k; - } - } - return j; - } - function d3_layout_stackReduceSum(d) { - return d.reduce(d3_layout_stackSum, 0); - } - function d3_layout_stackSum(p, d) { - return p + d[1]; - } - d3.layout.histogram = function() { - var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges; - function histogram(data, i) { - var bins = [], values = data.map(valuer, this), range = ranger.call(this, values, i), thresholds = binner.call(this, range, values, i), bin, i = -1, n = values.length, m = thresholds.length - 1, k = frequency ? 1 : 1 / n, x; - while (++i < m) { - bin = bins[i] = []; - bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]); - bin.y = 0; - } - if (m > 0) { - i = -1; - while (++i < n) { - x = values[i]; - if (x >= range[0] && x <= range[1]) { - bin = bins[d3.bisect(thresholds, x, 1, m) - 1]; - bin.y += k; - bin.push(data[i]); - } - } - } - return bins; - } - histogram.value = function(x) { - if (!arguments.length) return valuer; - valuer = x; - return histogram; - }; - histogram.range = function(x) { - if (!arguments.length) return ranger; - ranger = d3_functor(x); - return histogram; - }; - histogram.bins = function(x) { - if (!arguments.length) return binner; - binner = typeof x === "number" ? function(range) { - return d3_layout_histogramBinFixed(range, x); - } : d3_functor(x); - return histogram; - }; - histogram.frequency = function(x) { - if (!arguments.length) return frequency; - frequency = !!x; - return histogram; - }; - return histogram; - }; - function d3_layout_histogramBinSturges(range, values) { - return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1)); - } - function d3_layout_histogramBinFixed(range, n) { - var x = -1, b = +range[0], m = (range[1] - b) / n, f = []; - while (++x <= n) f[x] = m * x + b; - return f; - } - function d3_layout_histogramRange(values) { - return [ d3.min(values), d3.max(values) ]; - } - d3.layout.pack = function() { - var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ], radius; - function pack(d, i) { - var nodes = hierarchy.call(this, d, i), root = nodes[0], w = size[0], h = size[1], r = radius == null ? Math.sqrt : typeof radius === "function" ? radius : function() { - return radius; - }; - root.x = root.y = 0; - d3_layout_hierarchyVisitAfter(root, function(d) { - d.r = +r(d.value); - }); - d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings); - if (padding) { - var dr = padding * (radius ? 1 : Math.max(2 * root.r / w, 2 * root.r / h)) / 2; - d3_layout_hierarchyVisitAfter(root, function(d) { - d.r += dr; - }); - d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings); - d3_layout_hierarchyVisitAfter(root, function(d) { - d.r -= dr; - }); - } - d3_layout_packTransform(root, w / 2, h / 2, radius ? 1 : 1 / Math.max(2 * root.r / w, 2 * root.r / h)); - return nodes; - } - pack.size = function(_) { - if (!arguments.length) return size; - size = _; - return pack; - }; - pack.radius = function(_) { - if (!arguments.length) return radius; - radius = _ == null || typeof _ === "function" ? _ : +_; - return pack; - }; - pack.padding = function(_) { - if (!arguments.length) return padding; - padding = +_; - return pack; - }; - return d3_layout_hierarchyRebind(pack, hierarchy); - }; - function d3_layout_packSort(a, b) { - return a.value - b.value; - } - function d3_layout_packInsert(a, b) { - var c = a._pack_next; - a._pack_next = b; - b._pack_prev = a; - b._pack_next = c; - c._pack_prev = b; - } - function d3_layout_packSplice(a, b) { - a._pack_next = b; - b._pack_prev = a; - } - function d3_layout_packIntersects(a, b) { - var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r; - return .999 * dr * dr > dx * dx + dy * dy; - } - function d3_layout_packSiblings(node) { - if (!(nodes = node.children) || !(n = nodes.length)) return; - var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n; - function bound(node) { - xMin = Math.min(node.x - node.r, xMin); - xMax = Math.max(node.x + node.r, xMax); - yMin = Math.min(node.y - node.r, yMin); - yMax = Math.max(node.y + node.r, yMax); - } - nodes.forEach(d3_layout_packLink); - a = nodes[0]; - a.x = -a.r; - a.y = 0; - bound(a); - if (n > 1) { - b = nodes[1]; - b.x = b.r; - b.y = 0; - bound(b); - if (n > 2) { - c = nodes[2]; - d3_layout_packPlace(a, b, c); - bound(c); - d3_layout_packInsert(a, c); - a._pack_prev = c; - d3_layout_packInsert(c, b); - b = a._pack_next; - for (i = 3; i < n; i++) { - d3_layout_packPlace(a, b, c = nodes[i]); - var isect = 0, s1 = 1, s2 = 1; - for (j = b._pack_next; j !== b; j = j._pack_next, s1++) { - if (d3_layout_packIntersects(j, c)) { - isect = 1; - break; - } - } - if (isect == 1) { - for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) { - if (d3_layout_packIntersects(k, c)) { - break; - } - } - } - if (isect) { - if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b); - i--; - } else { - d3_layout_packInsert(a, c); - b = c; - bound(c); - } - } - } - } - var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0; - for (i = 0; i < n; i++) { - c = nodes[i]; - c.x -= cx; - c.y -= cy; - cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y)); - } - node.r = cr; - nodes.forEach(d3_layout_packUnlink); - } - function d3_layout_packLink(node) { - node._pack_next = node._pack_prev = node; - } - function d3_layout_packUnlink(node) { - delete node._pack_next; - delete node._pack_prev; - } - function d3_layout_packTransform(node, x, y, k) { - var children = node.children; - node.x = x += k * node.x; - node.y = y += k * node.y; - node.r *= k; - if (children) { - var i = -1, n = children.length; - while (++i < n) d3_layout_packTransform(children[i], x, y, k); - } - } - function d3_layout_packPlace(a, b, c) { - var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y; - if (db && (dx || dy)) { - var da = b.r + c.r, dc = dx * dx + dy * dy; - da *= da; - db *= db; - var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); - c.x = a.x + x * dx + y * dy; - c.y = a.y + x * dy - y * dx; - } else { - c.x = a.x + db; - c.y = a.y; - } - } - d3.layout.tree = function() { - var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = null; - function tree(d, i) { - var nodes = hierarchy.call(this, d, i), root0 = nodes[0], root1 = wrapTree(root0); - d3_layout_hierarchyVisitAfter(root1, firstWalk), root1.parent.m = -root1.z; - d3_layout_hierarchyVisitBefore(root1, secondWalk); - if (nodeSize) d3_layout_hierarchyVisitBefore(root0, sizeNode); else { - var left = root0, right = root0, bottom = root0; - d3_layout_hierarchyVisitBefore(root0, function(node) { - if (node.x < left.x) left = node; - if (node.x > right.x) right = node; - if (node.depth > bottom.depth) bottom = node; - }); - var tx = separation(left, right) / 2 - left.x, kx = size[0] / (right.x + separation(right, left) / 2 + tx), ky = size[1] / (bottom.depth || 1); - d3_layout_hierarchyVisitBefore(root0, function(node) { - node.x = (node.x + tx) * kx; - node.y = node.depth * ky; - }); - } - return nodes; - } - function wrapTree(root0) { - var root1 = { - A: null, - children: [ root0 ] - }, queue = [ root1 ], node1; - while ((node1 = queue.pop()) != null) { - for (var children = node1.children, child, i = 0, n = children.length; i < n; ++i) { - queue.push((children[i] = child = { - _: children[i], - parent: node1, - children: (child = children[i].children) && child.slice() || [], - A: null, - a: null, - z: 0, - m: 0, - c: 0, - s: 0, - t: null, - i: i - }).a = child); - } - } - return root1.children[0]; - } - function firstWalk(v) { - var children = v.children, siblings = v.parent.children, w = v.i ? siblings[v.i - 1] : null; - if (children.length) { - d3_layout_treeShift(v); - var midpoint = (children[0].z + children[children.length - 1].z) / 2; - if (w) { - v.z = w.z + separation(v._, w._); - v.m = v.z - midpoint; - } else { - v.z = midpoint; - } - } else if (w) { - v.z = w.z + separation(v._, w._); - } - v.parent.A = apportion(v, w, v.parent.A || siblings[0]); - } - function secondWalk(v) { - v._.x = v.z + v.parent.m; - v.m += v.parent.m; - } - function apportion(v, w, ancestor) { - if (w) { - var vip = v, vop = v, vim = w, vom = vip.parent.children[0], sip = vip.m, sop = vop.m, sim = vim.m, som = vom.m, shift; - while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) { - vom = d3_layout_treeLeft(vom); - vop = d3_layout_treeRight(vop); - vop.a = v; - shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); - if (shift > 0) { - d3_layout_treeMove(d3_layout_treeAncestor(vim, v, ancestor), v, shift); - sip += shift; - sop += shift; - } - sim += vim.m; - sip += vip.m; - som += vom.m; - sop += vop.m; - } - if (vim && !d3_layout_treeRight(vop)) { - vop.t = vim; - vop.m += sim - sop; - } - if (vip && !d3_layout_treeLeft(vom)) { - vom.t = vip; - vom.m += sip - som; - ancestor = v; - } - } - return ancestor; - } - function sizeNode(node) { - node.x *= size[0]; - node.y = node.depth * size[1]; - } - tree.separation = function(x) { - if (!arguments.length) return separation; - separation = x; - return tree; - }; - tree.size = function(x) { - if (!arguments.length) return nodeSize ? null : size; - nodeSize = (size = x) == null ? sizeNode : null; - return tree; - }; - tree.nodeSize = function(x) { - if (!arguments.length) return nodeSize ? size : null; - nodeSize = (size = x) == null ? null : sizeNode; - return tree; - }; - return d3_layout_hierarchyRebind(tree, hierarchy); - }; - function d3_layout_treeSeparation(a, b) { - return a.parent == b.parent ? 1 : 2; - } - function d3_layout_treeLeft(v) { - var children = v.children; - return children.length ? children[0] : v.t; - } - function d3_layout_treeRight(v) { - var children = v.children, n; - return (n = children.length) ? children[n - 1] : v.t; - } - function d3_layout_treeMove(wm, wp, shift) { - var change = shift / (wp.i - wm.i); - wp.c -= change; - wp.s += shift; - wm.c += change; - wp.z += shift; - wp.m += shift; - } - function d3_layout_treeShift(v) { - var shift = 0, change = 0, children = v.children, i = children.length, w; - while (--i >= 0) { - w = children[i]; - w.z += shift; - w.m += shift; - shift += w.s + (change += w.c); - } - } - function d3_layout_treeAncestor(vim, v, ancestor) { - return vim.a.parent === v.parent ? vim.a : ancestor; - } - d3.layout.cluster = function() { - var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = false; - function cluster(d, i) { - var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0; - d3_layout_hierarchyVisitAfter(root, function(node) { - var children = node.children; - if (children && children.length) { - node.x = d3_layout_clusterX(children); - node.y = d3_layout_clusterY(children); - } else { - node.x = previousNode ? x += separation(node, previousNode) : 0; - node.y = 0; - previousNode = node; - } - }); - var left = d3_layout_clusterLeft(root), right = d3_layout_clusterRight(root), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2; - d3_layout_hierarchyVisitAfter(root, nodeSize ? function(node) { - node.x = (node.x - root.x) * size[0]; - node.y = (root.y - node.y) * size[1]; - } : function(node) { - node.x = (node.x - x0) / (x1 - x0) * size[0]; - node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1]; - }); - return nodes; - } - cluster.separation = function(x) { - if (!arguments.length) return separation; - separation = x; - return cluster; - }; - cluster.size = function(x) { - if (!arguments.length) return nodeSize ? null : size; - nodeSize = (size = x) == null; - return cluster; - }; - cluster.nodeSize = function(x) { - if (!arguments.length) return nodeSize ? size : null; - nodeSize = (size = x) != null; - return cluster; - }; - return d3_layout_hierarchyRebind(cluster, hierarchy); - }; - function d3_layout_clusterY(children) { - return 1 + d3.max(children, function(child) { - return child.y; - }); - } - function d3_layout_clusterX(children) { - return children.reduce(function(x, child) { - return x + child.x; - }, 0) / children.length; - } - function d3_layout_clusterLeft(node) { - var children = node.children; - return children && children.length ? d3_layout_clusterLeft(children[0]) : node; - } - function d3_layout_clusterRight(node) { - var children = node.children, n; - return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node; - } - d3.layout.treemap = function() { - var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, mode = "squarify", ratio = .5 * (1 + Math.sqrt(5)); - function scale(children, k) { - var i = -1, n = children.length, child, area; - while (++i < n) { - area = (child = children[i]).value * (k < 0 ? 0 : k); - child.area = isNaN(area) || area <= 0 ? 0 : area; - } - } - function squarify(node) { - var children = node.children; - if (children && children.length) { - var rect = pad(node), row = [], remaining = children.slice(), child, best = Infinity, score, u = mode === "slice" ? rect.dx : mode === "dice" ? rect.dy : mode === "slice-dice" ? node.depth & 1 ? rect.dy : rect.dx : Math.min(rect.dx, rect.dy), n; - scale(remaining, rect.dx * rect.dy / node.value); - row.area = 0; - while ((n = remaining.length) > 0) { - row.push(child = remaining[n - 1]); - row.area += child.area; - if (mode !== "squarify" || (score = worst(row, u)) <= best) { - remaining.pop(); - best = score; - } else { - row.area -= row.pop().area; - position(row, u, rect, false); - u = Math.min(rect.dx, rect.dy); - row.length = row.area = 0; - best = Infinity; - } - } - if (row.length) { - position(row, u, rect, true); - row.length = row.area = 0; - } - children.forEach(squarify); - } - } - function stickify(node) { - var children = node.children; - if (children && children.length) { - var rect = pad(node), remaining = children.slice(), child, row = []; - scale(remaining, rect.dx * rect.dy / node.value); - row.area = 0; - while (child = remaining.pop()) { - row.push(child); - row.area += child.area; - if (child.z != null) { - position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length); - row.length = row.area = 0; - } - } - children.forEach(stickify); - } - } - function worst(row, u) { - var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length; - while (++i < n) { - if (!(r = row[i].area)) continue; - if (r < rmin) rmin = r; - if (r > rmax) rmax = r; - } - s *= s; - u *= u; - return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity; - } - function position(row, u, rect, flush) { - var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o; - if (u == rect.dx) { - if (flush || v > rect.dy) v = rect.dy; - while (++i < n) { - o = row[i]; - o.x = x; - o.y = y; - o.dy = v; - x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0); - } - o.z = true; - o.dx += rect.x + rect.dx - x; - rect.y += v; - rect.dy -= v; - } else { - if (flush || v > rect.dx) v = rect.dx; - while (++i < n) { - o = row[i]; - o.x = x; - o.y = y; - o.dx = v; - y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0); - } - o.z = false; - o.dy += rect.y + rect.dy - y; - rect.x += v; - rect.dx -= v; - } - } - function treemap(d) { - var nodes = stickies || hierarchy(d), root = nodes[0]; - root.x = root.y = 0; - if (root.value) root.dx = size[0], root.dy = size[1]; else root.dx = root.dy = 0; - if (stickies) hierarchy.revalue(root); - scale([ root ], root.dx * root.dy / root.value); - (stickies ? stickify : squarify)(root); - if (sticky) stickies = nodes; - return nodes; - } - treemap.size = function(x) { - if (!arguments.length) return size; - size = x; - return treemap; - }; - treemap.padding = function(x) { - if (!arguments.length) return padding; - function padFunction(node) { - var p = x.call(treemap, node, node.depth); - return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p); - } - function padConstant(node) { - return d3_layout_treemapPad(node, x); - } - var type; - pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ], - padConstant) : padConstant; - return treemap; - }; - treemap.round = function(x) { - if (!arguments.length) return round != Number; - round = x ? Math.round : Number; - return treemap; - }; - treemap.sticky = function(x) { - if (!arguments.length) return sticky; - sticky = x; - stickies = null; - return treemap; - }; - treemap.ratio = function(x) { - if (!arguments.length) return ratio; - ratio = x; - return treemap; - }; - treemap.mode = function(x) { - if (!arguments.length) return mode; - mode = x + ""; - return treemap; - }; - return d3_layout_hierarchyRebind(treemap, hierarchy); - }; - function d3_layout_treemapPadNull(node) { - return { - x: node.x, - y: node.y, - dx: node.dx, - dy: node.dy - }; - } - function d3_layout_treemapPad(node, padding) { - var x = node.x + padding[3], y = node.y + padding[0], dx = node.dx - padding[1] - padding[3], dy = node.dy - padding[0] - padding[2]; - if (dx < 0) { - x += dx / 2; - dx = 0; - } - if (dy < 0) { - y += dy / 2; - dy = 0; - } - return { - x: x, - y: y, - dx: dx, - dy: dy - }; - } - d3.random = { - normal: function(µ, σ) { - var n = arguments.length; - if (n < 2) σ = 1; - if (n < 1) µ = 0; - return function() { - var x, y, r; - do { - x = Math.random() * 2 - 1; - y = Math.random() * 2 - 1; - r = x * x + y * y; - } while (!r || r > 1); - return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r); - }; - }, - logNormal: function() { - var random = d3.random.normal.apply(d3, arguments); - return function() { - return Math.exp(random()); - }; - }, - bates: function(m) { - var random = d3.random.irwinHall(m); - return function() { - return random() / m; - }; - }, - irwinHall: function(m) { - return function() { - for (var s = 0, j = 0; j < m; j++) s += Math.random(); - return s; - }; - } - }; - d3.scale = {}; - function d3_scaleExtent(domain) { - var start = domain[0], stop = domain[domain.length - 1]; - return start < stop ? [ start, stop ] : [ stop, start ]; - } - function d3_scaleRange(scale) { - return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range()); - } - function d3_scale_bilinear(domain, range, uninterpolate, interpolate) { - var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]); - return function(x) { - return i(u(x)); - }; - } - function d3_scale_nice(domain, nice) { - var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx; - if (x1 < x0) { - dx = i0, i0 = i1, i1 = dx; - dx = x0, x0 = x1, x1 = dx; - } - domain[i0] = nice.floor(x0); - domain[i1] = nice.ceil(x1); - return domain; - } - function d3_scale_niceStep(step) { - return step ? { - floor: function(x) { - return Math.floor(x / step) * step; - }, - ceil: function(x) { - return Math.ceil(x / step) * step; - } - } : d3_scale_niceIdentity; - } - var d3_scale_niceIdentity = { - floor: d3_identity, - ceil: d3_identity - }; - function d3_scale_polylinear(domain, range, uninterpolate, interpolate) { - var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1; - if (domain[k] < domain[0]) { - domain = domain.slice().reverse(); - range = range.slice().reverse(); - } - while (++j <= k) { - u.push(uninterpolate(domain[j - 1], domain[j])); - i.push(interpolate(range[j - 1], range[j])); - } - return function(x) { - var j = d3.bisect(domain, x, 1, k) - 1; - return i[j](u[j](x)); - }; - } - d3.scale.linear = function() { - return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3_interpolate, false); - }; - function d3_scale_linear(domain, range, interpolate, clamp) { - var output, input; - function rescale() { - var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber; - output = linear(domain, range, uninterpolate, interpolate); - input = linear(range, domain, uninterpolate, d3_interpolate); - return scale; - } - function scale(x) { - return output(x); - } - scale.invert = function(y) { - return input(y); - }; - scale.domain = function(x) { - if (!arguments.length) return domain; - domain = x.map(Number); - return rescale(); - }; - scale.range = function(x) { - if (!arguments.length) return range; - range = x; - return rescale(); - }; - scale.rangeRound = function(x) { - return scale.range(x).interpolate(d3_interpolateRound); - }; - scale.clamp = function(x) { - if (!arguments.length) return clamp; - clamp = x; - return rescale(); - }; - scale.interpolate = function(x) { - if (!arguments.length) return interpolate; - interpolate = x; - return rescale(); - }; - scale.ticks = function(m) { - return d3_scale_linearTicks(domain, m); - }; - scale.tickFormat = function(m, format) { - return d3_scale_linearTickFormat(domain, m, format); - }; - scale.nice = function(m) { - d3_scale_linearNice(domain, m); - return rescale(); - }; - scale.copy = function() { - return d3_scale_linear(domain, range, interpolate, clamp); - }; - return rescale(); - } - function d3_scale_linearRebind(scale, linear) { - return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp"); - } - function d3_scale_linearNice(domain, m) { - d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2])); - d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2])); - return domain; - } - function d3_scale_linearTickRange(domain, m) { - if (m == null) m = 10; - var extent = d3_scaleExtent(domain), span = extent[1] - extent[0], step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)), err = m / span * step; - if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2; - extent[0] = Math.ceil(extent[0] / step) * step; - extent[1] = Math.floor(extent[1] / step) * step + step * .5; - extent[2] = step; - return extent; - } - function d3_scale_linearTicks(domain, m) { - return d3.range.apply(d3, d3_scale_linearTickRange(domain, m)); - } - function d3_scale_linearTickFormat(domain, m, format) { - var range = d3_scale_linearTickRange(domain, m); - if (format) { - var match = d3_format_re.exec(format); - match.shift(); - if (match[8] === "s") { - var prefix = d3.formatPrefix(Math.max(abs(range[0]), abs(range[1]))); - if (!match[7]) match[7] = "." + d3_scale_linearPrecision(prefix.scale(range[2])); - match[8] = "f"; - format = d3.format(match.join("")); - return function(d) { - return format(prefix.scale(d)) + prefix.symbol; - }; - } - if (!match[7]) match[7] = "." + d3_scale_linearFormatPrecision(match[8], range); - format = match.join(""); - } else { - format = ",." + d3_scale_linearPrecision(range[2]) + "f"; - } - return d3.format(format); - } - var d3_scale_linearFormatSignificant = { - s: 1, - g: 1, - p: 1, - r: 1, - e: 1 - }; - function d3_scale_linearPrecision(value) { - return -Math.floor(Math.log(value) / Math.LN10 + .01); - } - function d3_scale_linearFormatPrecision(type, range) { - var p = d3_scale_linearPrecision(range[2]); - return type in d3_scale_linearFormatSignificant ? Math.abs(p - d3_scale_linearPrecision(Math.max(abs(range[0]), abs(range[1])))) + +(type !== "e") : p - (type === "%") * 2; - } - d3.scale.log = function() { - return d3_scale_log(d3.scale.linear().domain([ 0, 1 ]), 10, true, [ 1, 10 ]); - }; - function d3_scale_log(linear, base, positive, domain) { - function log(x) { - return (positive ? Math.log(x < 0 ? 0 : x) : -Math.log(x > 0 ? 0 : -x)) / Math.log(base); - } - function pow(x) { - return positive ? Math.pow(base, x) : -Math.pow(base, -x); - } - function scale(x) { - return linear(log(x)); - } - scale.invert = function(x) { - return pow(linear.invert(x)); - }; - scale.domain = function(x) { - if (!arguments.length) return domain; - positive = x[0] >= 0; - linear.domain((domain = x.map(Number)).map(log)); - return scale; - }; - scale.base = function(_) { - if (!arguments.length) return base; - base = +_; - linear.domain(domain.map(log)); - return scale; - }; - scale.nice = function() { - var niced = d3_scale_nice(domain.map(log), positive ? Math : d3_scale_logNiceNegative); - linear.domain(niced); - domain = niced.map(pow); - return scale; - }; - scale.ticks = function() { - var extent = d3_scaleExtent(domain), ticks = [], u = extent[0], v = extent[1], i = Math.floor(log(u)), j = Math.ceil(log(v)), n = base % 1 ? 2 : base; - if (isFinite(j - i)) { - if (positive) { - for (;i < j; i++) for (var k = 1; k < n; k++) ticks.push(pow(i) * k); - ticks.push(pow(i)); - } else { - ticks.push(pow(i)); - for (;i++ < j; ) for (var k = n - 1; k > 0; k--) ticks.push(pow(i) * k); - } - for (i = 0; ticks[i] < u; i++) {} - for (j = ticks.length; ticks[j - 1] > v; j--) {} - ticks = ticks.slice(i, j); - } - return ticks; - }; - scale.tickFormat = function(n, format) { - if (!arguments.length) return d3_scale_logFormat; - if (arguments.length < 2) format = d3_scale_logFormat; else if (typeof format !== "function") format = d3.format(format); - var k = Math.max(1, base * n / scale.ticks().length); - return function(d) { - var i = d / pow(Math.round(log(d))); - if (i * base < base - .5) i *= base; - return i <= k ? format(d) : ""; - }; - }; - scale.copy = function() { - return d3_scale_log(linear.copy(), base, positive, domain); - }; - return d3_scale_linearRebind(scale, linear); - } - var d3_scale_logFormat = d3.format(".0e"), d3_scale_logNiceNegative = { - floor: function(x) { - return -Math.ceil(-x); - }, - ceil: function(x) { - return -Math.floor(-x); - } - }; - d3.scale.pow = function() { - return d3_scale_pow(d3.scale.linear(), 1, [ 0, 1 ]); - }; - function d3_scale_pow(linear, exponent, domain) { - var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent); - function scale(x) { - return linear(powp(x)); - } - scale.invert = function(x) { - return powb(linear.invert(x)); - }; - scale.domain = function(x) { - if (!arguments.length) return domain; - linear.domain((domain = x.map(Number)).map(powp)); - return scale; - }; - scale.ticks = function(m) { - return d3_scale_linearTicks(domain, m); - }; - scale.tickFormat = function(m, format) { - return d3_scale_linearTickFormat(domain, m, format); - }; - scale.nice = function(m) { - return scale.domain(d3_scale_linearNice(domain, m)); - }; - scale.exponent = function(x) { - if (!arguments.length) return exponent; - powp = d3_scale_powPow(exponent = x); - powb = d3_scale_powPow(1 / exponent); - linear.domain(domain.map(powp)); - return scale; - }; - scale.copy = function() { - return d3_scale_pow(linear.copy(), exponent, domain); - }; - return d3_scale_linearRebind(scale, linear); - } - function d3_scale_powPow(e) { - return function(x) { - return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e); - }; - } - d3.scale.sqrt = function() { - return d3.scale.pow().exponent(.5); - }; - d3.scale.ordinal = function() { - return d3_scale_ordinal([], { - t: "range", - a: [ [] ] - }); - }; - function d3_scale_ordinal(domain, ranger) { - var index, range, rangeBand; - function scale(x) { - return range[((index.get(x) || (ranger.t === "range" ? index.set(x, domain.push(x)) : NaN)) - 1) % range.length]; - } - function steps(start, step) { - return d3.range(domain.length).map(function(i) { - return start + step * i; - }); - } - scale.domain = function(x) { - if (!arguments.length) return domain; - domain = []; - index = new d3_Map(); - var i = -1, n = x.length, xi; - while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi)); - return scale[ranger.t].apply(scale, ranger.a); - }; - scale.range = function(x) { - if (!arguments.length) return range; - range = x; - rangeBand = 0; - ranger = { - t: "range", - a: arguments - }; - return scale; - }; - scale.rangePoints = function(x, padding) { - if (arguments.length < 2) padding = 0; - var start = x[0], stop = x[1], step = domain.length < 2 ? (start = (start + stop) / 2, - 0) : (stop - start) / (domain.length - 1 + padding); - range = steps(start + step * padding / 2, step); - rangeBand = 0; - ranger = { - t: "rangePoints", - a: arguments - }; - return scale; - }; - scale.rangeRoundPoints = function(x, padding) { - if (arguments.length < 2) padding = 0; - var start = x[0], stop = x[1], step = domain.length < 2 ? (start = stop = Math.round((start + stop) / 2), - 0) : (stop - start) / (domain.length - 1 + padding) | 0; - range = steps(start + Math.round(step * padding / 2 + (stop - start - (domain.length - 1 + padding) * step) / 2), step); - rangeBand = 0; - ranger = { - t: "rangeRoundPoints", - a: arguments - }; - return scale; - }; - scale.rangeBands = function(x, padding, outerPadding) { - if (arguments.length < 2) padding = 0; - if (arguments.length < 3) outerPadding = padding; - var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding); - range = steps(start + step * outerPadding, step); - if (reverse) range.reverse(); - rangeBand = step * (1 - padding); - ranger = { - t: "rangeBands", - a: arguments - }; - return scale; - }; - scale.rangeRoundBands = function(x, padding, outerPadding) { - if (arguments.length < 2) padding = 0; - if (arguments.length < 3) outerPadding = padding; - var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding)); - range = steps(start + Math.round((stop - start - (domain.length - padding) * step) / 2), step); - if (reverse) range.reverse(); - rangeBand = Math.round(step * (1 - padding)); - ranger = { - t: "rangeRoundBands", - a: arguments - }; - return scale; - }; - scale.rangeBand = function() { - return rangeBand; - }; - scale.rangeExtent = function() { - return d3_scaleExtent(ranger.a[0]); - }; - scale.copy = function() { - return d3_scale_ordinal(domain, ranger); - }; - return scale.domain(domain); - } - d3.scale.category10 = function() { - return d3.scale.ordinal().range(d3_category10); - }; - d3.scale.category20 = function() { - return d3.scale.ordinal().range(d3_category20); - }; - d3.scale.category20b = function() { - return d3.scale.ordinal().range(d3_category20b); - }; - d3.scale.category20c = function() { - return d3.scale.ordinal().range(d3_category20c); - }; - var d3_category10 = [ 2062260, 16744206, 2924588, 14034728, 9725885, 9197131, 14907330, 8355711, 12369186, 1556175 ].map(d3_rgbString); - var d3_category20 = [ 2062260, 11454440, 16744206, 16759672, 2924588, 10018698, 14034728, 16750742, 9725885, 12955861, 9197131, 12885140, 14907330, 16234194, 8355711, 13092807, 12369186, 14408589, 1556175, 10410725 ].map(d3_rgbString); - var d3_category20b = [ 3750777, 5395619, 7040719, 10264286, 6519097, 9216594, 11915115, 13556636, 9202993, 12426809, 15186514, 15190932, 8666169, 11356490, 14049643, 15177372, 8077683, 10834324, 13528509, 14589654 ].map(d3_rgbString); - var d3_category20c = [ 3244733, 7057110, 10406625, 13032431, 15095053, 16616764, 16625259, 16634018, 3253076, 7652470, 10607003, 13101504, 7695281, 10394312, 12369372, 14342891, 6513507, 9868950, 12434877, 14277081 ].map(d3_rgbString); - d3.scale.quantile = function() { - return d3_scale_quantile([], []); - }; - function d3_scale_quantile(domain, range) { - var thresholds; - function rescale() { - var k = 0, q = range.length; - thresholds = []; - while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q); - return scale; - } - function scale(x) { - if (!isNaN(x = +x)) return range[d3.bisect(thresholds, x)]; - } - scale.domain = function(x) { - if (!arguments.length) return domain; - domain = x.map(d3_number).filter(d3_numeric).sort(d3_ascending); - return rescale(); - }; - scale.range = function(x) { - if (!arguments.length) return range; - range = x; - return rescale(); - }; - scale.quantiles = function() { - return thresholds; - }; - scale.invertExtent = function(y) { - y = range.indexOf(y); - return y < 0 ? [ NaN, NaN ] : [ y > 0 ? thresholds[y - 1] : domain[0], y < thresholds.length ? thresholds[y] : domain[domain.length - 1] ]; - }; - scale.copy = function() { - return d3_scale_quantile(domain, range); - }; - return rescale(); - } - d3.scale.quantize = function() { - return d3_scale_quantize(0, 1, [ 0, 1 ]); - }; - function d3_scale_quantize(x0, x1, range) { - var kx, i; - function scale(x) { - return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))]; - } - function rescale() { - kx = range.length / (x1 - x0); - i = range.length - 1; - return scale; - } - scale.domain = function(x) { - if (!arguments.length) return [ x0, x1 ]; - x0 = +x[0]; - x1 = +x[x.length - 1]; - return rescale(); - }; - scale.range = function(x) { - if (!arguments.length) return range; - range = x; - return rescale(); - }; - scale.invertExtent = function(y) { - y = range.indexOf(y); - y = y < 0 ? NaN : y / kx + x0; - return [ y, y + 1 / kx ]; - }; - scale.copy = function() { - return d3_scale_quantize(x0, x1, range); - }; - return rescale(); - } - d3.scale.threshold = function() { - return d3_scale_threshold([ .5 ], [ 0, 1 ]); - }; - function d3_scale_threshold(domain, range) { - function scale(x) { - if (x <= x) return range[d3.bisect(domain, x)]; - } - scale.domain = function(_) { - if (!arguments.length) return domain; - domain = _; - return scale; - }; - scale.range = function(_) { - if (!arguments.length) return range; - range = _; - return scale; - }; - scale.invertExtent = function(y) { - y = range.indexOf(y); - return [ domain[y - 1], domain[y] ]; - }; - scale.copy = function() { - return d3_scale_threshold(domain, range); - }; - return scale; - } - d3.scale.identity = function() { - return d3_scale_identity([ 0, 1 ]); - }; - function d3_scale_identity(domain) { - function identity(x) { - return +x; - } - identity.invert = identity; - identity.domain = identity.range = function(x) { - if (!arguments.length) return domain; - domain = x.map(identity); - return identity; - }; - identity.ticks = function(m) { - return d3_scale_linearTicks(domain, m); - }; - identity.tickFormat = function(m, format) { - return d3_scale_linearTickFormat(domain, m, format); - }; - identity.copy = function() { - return d3_scale_identity(domain); - }; - return identity; - } - d3.svg = {}; - function d3_zero() { - return 0; - } - d3.svg.arc = function() { - var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, cornerRadius = d3_zero, padRadius = d3_svg_arcAuto, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle, padAngle = d3_svg_arcPadAngle; - function arc() { - var r0 = Math.max(0, +innerRadius.apply(this, arguments)), r1 = Math.max(0, +outerRadius.apply(this, arguments)), a0 = startAngle.apply(this, arguments) - halfπ, a1 = endAngle.apply(this, arguments) - halfπ, da = Math.abs(a1 - a0), cw = a0 > a1 ? 0 : 1; - if (r1 < r0) rc = r1, r1 = r0, r0 = rc; - if (da >= τε) return circleSegment(r1, cw) + (r0 ? circleSegment(r0, 1 - cw) : "") + "Z"; - var rc, cr, rp, ap, p0 = 0, p1 = 0, x0, y0, x1, y1, x2, y2, x3, y3, path = []; - if (ap = (+padAngle.apply(this, arguments) || 0) / 2) { - rp = padRadius === d3_svg_arcAuto ? Math.sqrt(r0 * r0 + r1 * r1) : +padRadius.apply(this, arguments); - if (!cw) p1 *= -1; - if (r1) p1 = d3_asin(rp / r1 * Math.sin(ap)); - if (r0) p0 = d3_asin(rp / r0 * Math.sin(ap)); - } - if (r1) { - x0 = r1 * Math.cos(a0 + p1); - y0 = r1 * Math.sin(a0 + p1); - x1 = r1 * Math.cos(a1 - p1); - y1 = r1 * Math.sin(a1 - p1); - var l1 = Math.abs(a1 - a0 - 2 * p1) <= π ? 0 : 1; - if (p1 && d3_svg_arcSweep(x0, y0, x1, y1) === cw ^ l1) { - var h1 = (a0 + a1) / 2; - x0 = r1 * Math.cos(h1); - y0 = r1 * Math.sin(h1); - x1 = y1 = null; - } - } else { - x0 = y0 = 0; - } - if (r0) { - x2 = r0 * Math.cos(a1 - p0); - y2 = r0 * Math.sin(a1 - p0); - x3 = r0 * Math.cos(a0 + p0); - y3 = r0 * Math.sin(a0 + p0); - var l0 = Math.abs(a0 - a1 + 2 * p0) <= π ? 0 : 1; - if (p0 && d3_svg_arcSweep(x2, y2, x3, y3) === 1 - cw ^ l0) { - var h0 = (a0 + a1) / 2; - x2 = r0 * Math.cos(h0); - y2 = r0 * Math.sin(h0); - x3 = y3 = null; - } - } else { - x2 = y2 = 0; - } - if (da > ε && (rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments))) > .001) { - cr = r0 < r1 ^ cw ? 0 : 1; - var rc1 = rc, rc0 = rc; - if (da < π) { - var oc = x3 == null ? [ x2, y2 ] : x1 == null ? [ x0, y0 ] : d3_geom_polygonIntersect([ x0, y0 ], [ x3, y3 ], [ x1, y1 ], [ x2, y2 ]), ax = x0 - oc[0], ay = y0 - oc[1], bx = x1 - oc[0], by = y1 - oc[1], kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]); - rc0 = Math.min(rc, (r0 - lc) / (kc - 1)); - rc1 = Math.min(rc, (r1 - lc) / (kc + 1)); - } - if (x1 != null) { - var t30 = d3_svg_arcCornerTangents(x3 == null ? [ x2, y2 ] : [ x3, y3 ], [ x0, y0 ], r1, rc1, cw), t12 = d3_svg_arcCornerTangents([ x1, y1 ], [ x2, y2 ], r1, rc1, cw); - if (rc === rc1) { - path.push("M", t30[0], "A", rc1, ",", rc1, " 0 0,", cr, " ", t30[1], "A", r1, ",", r1, " 0 ", 1 - cw ^ d3_svg_arcSweep(t30[1][0], t30[1][1], t12[1][0], t12[1][1]), ",", cw, " ", t12[1], "A", rc1, ",", rc1, " 0 0,", cr, " ", t12[0]); - } else { - path.push("M", t30[0], "A", rc1, ",", rc1, " 0 1,", cr, " ", t12[0]); - } - } else { - path.push("M", x0, ",", y0); - } - if (x3 != null) { - var t03 = d3_svg_arcCornerTangents([ x0, y0 ], [ x3, y3 ], r0, -rc0, cw), t21 = d3_svg_arcCornerTangents([ x2, y2 ], x1 == null ? [ x0, y0 ] : [ x1, y1 ], r0, -rc0, cw); - if (rc === rc0) { - path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t21[1], "A", r0, ",", r0, " 0 ", cw ^ d3_svg_arcSweep(t21[1][0], t21[1][1], t03[1][0], t03[1][1]), ",", 1 - cw, " ", t03[1], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]); - } else { - path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]); - } - } else { - path.push("L", x2, ",", y2); - } - } else { - path.push("M", x0, ",", y0); - if (x1 != null) path.push("A", r1, ",", r1, " 0 ", l1, ",", cw, " ", x1, ",", y1); - path.push("L", x2, ",", y2); - if (x3 != null) path.push("A", r0, ",", r0, " 0 ", l0, ",", 1 - cw, " ", x3, ",", y3); - } - path.push("Z"); - return path.join(""); - } - function circleSegment(r1, cw) { - return "M0," + r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + -r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + r1; - } - arc.innerRadius = function(v) { - if (!arguments.length) return innerRadius; - innerRadius = d3_functor(v); - return arc; - }; - arc.outerRadius = function(v) { - if (!arguments.length) return outerRadius; - outerRadius = d3_functor(v); - return arc; - }; - arc.cornerRadius = function(v) { - if (!arguments.length) return cornerRadius; - cornerRadius = d3_functor(v); - return arc; - }; - arc.padRadius = function(v) { - if (!arguments.length) return padRadius; - padRadius = v == d3_svg_arcAuto ? d3_svg_arcAuto : d3_functor(v); - return arc; - }; - arc.startAngle = function(v) { - if (!arguments.length) return startAngle; - startAngle = d3_functor(v); - return arc; - }; - arc.endAngle = function(v) { - if (!arguments.length) return endAngle; - endAngle = d3_functor(v); - return arc; - }; - arc.padAngle = function(v) { - if (!arguments.length) return padAngle; - padAngle = d3_functor(v); - return arc; - }; - arc.centroid = function() { - var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - halfπ; - return [ Math.cos(a) * r, Math.sin(a) * r ]; - }; - return arc; - }; - var d3_svg_arcAuto = "auto"; - function d3_svg_arcInnerRadius(d) { - return d.innerRadius; - } - function d3_svg_arcOuterRadius(d) { - return d.outerRadius; - } - function d3_svg_arcStartAngle(d) { - return d.startAngle; - } - function d3_svg_arcEndAngle(d) { - return d.endAngle; - } - function d3_svg_arcPadAngle(d) { - return d && d.padAngle; - } - function d3_svg_arcSweep(x0, y0, x1, y1) { - return (x0 - x1) * y0 - (y0 - y1) * x0 > 0 ? 0 : 1; - } - function d3_svg_arcCornerTangents(p0, p1, r1, rc, cw) { - var x01 = p0[0] - p1[0], y01 = p0[1] - p1[1], lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), ox = lo * y01, oy = -lo * x01, x1 = p0[0] + ox, y1 = p0[1] + oy, x2 = p1[0] + ox, y2 = p1[1] + oy, x3 = (x1 + x2) / 2, y3 = (y1 + y2) / 2, dx = x2 - x1, dy = y2 - y1, d2 = dx * dx + dy * dy, r = r1 - rc, D = x1 * y2 - x2 * y1, d = (dy < 0 ? -1 : 1) * Math.sqrt(Math.max(0, r * r * d2 - D * D)), cx0 = (D * dy - dx * d) / d2, cy0 = (-D * dx - dy * d) / d2, cx1 = (D * dy + dx * d) / d2, cy1 = (-D * dx + dy * d) / d2, dx0 = cx0 - x3, dy0 = cy0 - y3, dx1 = cx1 - x3, dy1 = cy1 - y3; - if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; - return [ [ cx0 - ox, cy0 - oy ], [ cx0 * r1 / r, cy0 * r1 / r ] ]; - } - function d3_svg_line(projection) { - var x = d3_geom_pointX, y = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7; - function line(data) { - var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y); - function segment() { - segments.push("M", interpolate(projection(points), tension)); - } - while (++i < n) { - if (defined.call(this, d = data[i], i)) { - points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]); - } else if (points.length) { - segment(); - points = []; - } - } - if (points.length) segment(); - return segments.length ? segments.join("") : null; - } - line.x = function(_) { - if (!arguments.length) return x; - x = _; - return line; - }; - line.y = function(_) { - if (!arguments.length) return y; - y = _; - return line; - }; - line.defined = function(_) { - if (!arguments.length) return defined; - defined = _; - return line; - }; - line.interpolate = function(_) { - if (!arguments.length) return interpolateKey; - if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key; - return line; - }; - line.tension = function(_) { - if (!arguments.length) return tension; - tension = _; - return line; - }; - return line; - } - d3.svg.line = function() { - return d3_svg_line(d3_identity); - }; - var d3_svg_lineInterpolators = d3.map({ - linear: d3_svg_lineLinear, - "linear-closed": d3_svg_lineLinearClosed, - step: d3_svg_lineStep, - "step-before": d3_svg_lineStepBefore, - "step-after": d3_svg_lineStepAfter, - basis: d3_svg_lineBasis, - "basis-open": d3_svg_lineBasisOpen, - "basis-closed": d3_svg_lineBasisClosed, - bundle: d3_svg_lineBundle, - cardinal: d3_svg_lineCardinal, - "cardinal-open": d3_svg_lineCardinalOpen, - "cardinal-closed": d3_svg_lineCardinalClosed, - monotone: d3_svg_lineMonotone - }); - d3_svg_lineInterpolators.forEach(function(key, value) { - value.key = key; - value.closed = /-closed$/.test(key); - }); - function d3_svg_lineLinear(points) { - return points.length > 1 ? points.join("L") : points + "Z"; - } - function d3_svg_lineLinearClosed(points) { - return points.join("L") + "Z"; - } - function d3_svg_lineStep(points) { - var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; - while (++i < n) path.push("H", (p[0] + (p = points[i])[0]) / 2, "V", p[1]); - if (n > 1) path.push("H", p[0]); - return path.join(""); - } - function d3_svg_lineStepBefore(points) { - var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; - while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]); - return path.join(""); - } - function d3_svg_lineStepAfter(points) { - var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; - while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]); - return path.join(""); - } - function d3_svg_lineCardinalOpen(points, tension) { - return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, -1), d3_svg_lineCardinalTangents(points, tension)); - } - function d3_svg_lineCardinalClosed(points, tension) { - return points.length < 3 ? d3_svg_lineLinearClosed(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), - points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension)); - } - function d3_svg_lineCardinal(points, tension) { - return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension)); - } - function d3_svg_lineHermite(points, tangents) { - if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) { - return d3_svg_lineLinear(points); - } - var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1; - if (quad) { - path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1]; - p0 = points[1]; - pi = 2; - } - if (tangents.length > 1) { - t = tangents[1]; - p = points[pi]; - pi++; - path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1]; - for (var i = 2; i < tangents.length; i++, pi++) { - p = points[pi]; - t = tangents[i]; - path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1]; - } - } - if (quad) { - var lp = points[pi]; - path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1]; - } - return path; - } - function d3_svg_lineCardinalTangents(points, tension) { - var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length; - while (++i < n) { - p0 = p1; - p1 = p2; - p2 = points[i]; - tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]); - } - return tangents; - } - function d3_svg_lineBasis(points) { - if (points.length < 3) return d3_svg_lineLinear(points); - var i = 1, n = points.length, pi = points[0], x0 = pi[0], y0 = pi[1], px = [ x0, x0, x0, (pi = points[1])[0] ], py = [ y0, y0, y0, pi[1] ], path = [ x0, ",", y0, "L", d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ]; - points.push(points[n - 1]); - while (++i <= n) { - pi = points[i]; - px.shift(); - px.push(pi[0]); - py.shift(); - py.push(pi[1]); - d3_svg_lineBasisBezier(path, px, py); - } - points.pop(); - path.push("L", pi); - return path.join(""); - } - function d3_svg_lineBasisOpen(points) { - if (points.length < 4) return d3_svg_lineLinear(points); - var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ]; - while (++i < 3) { - pi = points[i]; - px.push(pi[0]); - py.push(pi[1]); - } - path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py)); - --i; - while (++i < n) { - pi = points[i]; - px.shift(); - px.push(pi[0]); - py.shift(); - py.push(pi[1]); - d3_svg_lineBasisBezier(path, px, py); - } - return path.join(""); - } - function d3_svg_lineBasisClosed(points) { - var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = []; - while (++i < 4) { - pi = points[i % n]; - px.push(pi[0]); - py.push(pi[1]); - } - path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ]; - --i; - while (++i < m) { - pi = points[i % n]; - px.shift(); - px.push(pi[0]); - py.shift(); - py.push(pi[1]); - d3_svg_lineBasisBezier(path, px, py); - } - return path.join(""); - } - function d3_svg_lineBundle(points, tension) { - var n = points.length - 1; - if (n) { - var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t; - while (++i <= n) { - p = points[i]; - t = i / n; - p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx); - p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy); - } - } - return d3_svg_lineBasis(points); - } - function d3_svg_lineDot4(a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3]; - } - var d3_svg_lineBasisBezier1 = [ 0, 2 / 3, 1 / 3, 0 ], d3_svg_lineBasisBezier2 = [ 0, 1 / 3, 2 / 3, 0 ], d3_svg_lineBasisBezier3 = [ 0, 1 / 6, 2 / 3, 1 / 6 ]; - function d3_svg_lineBasisBezier(path, x, y) { - path.push("C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y)); - } - function d3_svg_lineSlope(p0, p1) { - return (p1[1] - p0[1]) / (p1[0] - p0[0]); - } - function d3_svg_lineFiniteDifferences(points) { - var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1); - while (++i < j) { - m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2; - } - m[i] = d; - return m; - } - function d3_svg_lineMonotoneTangents(points) { - var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1; - while (++i < j) { - d = d3_svg_lineSlope(points[i], points[i + 1]); - if (abs(d) < ε) { - m[i] = m[i + 1] = 0; - } else { - a = m[i] / d; - b = m[i + 1] / d; - s = a * a + b * b; - if (s > 9) { - s = d * 3 / Math.sqrt(s); - m[i] = s * a; - m[i + 1] = s * b; - } - } - } - i = -1; - while (++i <= j) { - s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i])); - tangents.push([ s || 0, m[i] * s || 0 ]); - } - return tangents; - } - function d3_svg_lineMonotone(points) { - return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points)); - } - d3.svg.line.radial = function() { - var line = d3_svg_line(d3_svg_lineRadial); - line.radius = line.x, delete line.x; - line.angle = line.y, delete line.y; - return line; - }; - function d3_svg_lineRadial(points) { - var point, i = -1, n = points.length, r, a; - while (++i < n) { - point = points[i]; - r = point[0]; - a = point[1] - halfπ; - point[0] = r * Math.cos(a); - point[1] = r * Math.sin(a); - } - return points; - } - function d3_svg_area(projection) { - var x0 = d3_geom_pointX, x1 = d3_geom_pointX, y0 = 0, y1 = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7; - function area(data) { - var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() { - return x; - } : d3_functor(x1), fy1 = y0 === y1 ? function() { - return y; - } : d3_functor(y1), x, y; - function segment() { - segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z"); - } - while (++i < n) { - if (defined.call(this, d = data[i], i)) { - points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]); - points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]); - } else if (points0.length) { - segment(); - points0 = []; - points1 = []; - } - } - if (points0.length) segment(); - return segments.length ? segments.join("") : null; - } - area.x = function(_) { - if (!arguments.length) return x1; - x0 = x1 = _; - return area; - }; - area.x0 = function(_) { - if (!arguments.length) return x0; - x0 = _; - return area; - }; - area.x1 = function(_) { - if (!arguments.length) return x1; - x1 = _; - return area; - }; - area.y = function(_) { - if (!arguments.length) return y1; - y0 = y1 = _; - return area; - }; - area.y0 = function(_) { - if (!arguments.length) return y0; - y0 = _; - return area; - }; - area.y1 = function(_) { - if (!arguments.length) return y1; - y1 = _; - return area; - }; - area.defined = function(_) { - if (!arguments.length) return defined; - defined = _; - return area; - }; - area.interpolate = function(_) { - if (!arguments.length) return interpolateKey; - if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key; - interpolateReverse = interpolate.reverse || interpolate; - L = interpolate.closed ? "M" : "L"; - return area; - }; - area.tension = function(_) { - if (!arguments.length) return tension; - tension = _; - return area; - }; - return area; - } - d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter; - d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore; - d3.svg.area = function() { - return d3_svg_area(d3_identity); - }; - d3.svg.area.radial = function() { - var area = d3_svg_area(d3_svg_lineRadial); - area.radius = area.x, delete area.x; - area.innerRadius = area.x0, delete area.x0; - area.outerRadius = area.x1, delete area.x1; - area.angle = area.y, delete area.y; - area.startAngle = area.y0, delete area.y0; - area.endAngle = area.y1, delete area.y1; - return area; - }; - d3.svg.chord = function() { - var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle; - function chord(d, i) { - var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i); - return "M" + s.p0 + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t) ? curve(s.r, s.p1, s.r, s.p0) : curve(s.r, s.p1, t.r, t.p0) + arc(t.r, t.p1, t.a1 - t.a0) + curve(t.r, t.p1, s.r, s.p0)) + "Z"; - } - function subgroup(self, f, d, i) { - var subgroup = f.call(self, d, i), r = radius.call(self, subgroup, i), a0 = startAngle.call(self, subgroup, i) - halfπ, a1 = endAngle.call(self, subgroup, i) - halfπ; - return { - r: r, - a0: a0, - a1: a1, - p0: [ r * Math.cos(a0), r * Math.sin(a0) ], - p1: [ r * Math.cos(a1), r * Math.sin(a1) ] - }; - } - function equals(a, b) { - return a.a0 == b.a0 && a.a1 == b.a1; - } - function arc(r, p, a) { - return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + p; - } - function curve(r0, p0, r1, p1) { - return "Q 0,0 " + p1; - } - chord.radius = function(v) { - if (!arguments.length) return radius; - radius = d3_functor(v); - return chord; - }; - chord.source = function(v) { - if (!arguments.length) return source; - source = d3_functor(v); - return chord; - }; - chord.target = function(v) { - if (!arguments.length) return target; - target = d3_functor(v); - return chord; - }; - chord.startAngle = function(v) { - if (!arguments.length) return startAngle; - startAngle = d3_functor(v); - return chord; - }; - chord.endAngle = function(v) { - if (!arguments.length) return endAngle; - endAngle = d3_functor(v); - return chord; - }; - return chord; - }; - function d3_svg_chordRadius(d) { - return d.radius; - } - d3.svg.diagonal = function() { - var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection; - function diagonal(d, i) { - var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, { - x: p0.x, - y: m - }, { - x: p3.x, - y: m - }, p3 ]; - p = p.map(projection); - return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3]; - } - diagonal.source = function(x) { - if (!arguments.length) return source; - source = d3_functor(x); - return diagonal; - }; - diagonal.target = function(x) { - if (!arguments.length) return target; - target = d3_functor(x); - return diagonal; - }; - diagonal.projection = function(x) { - if (!arguments.length) return projection; - projection = x; - return diagonal; - }; - return diagonal; - }; - function d3_svg_diagonalProjection(d) { - return [ d.x, d.y ]; - } - d3.svg.diagonal.radial = function() { - var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection; - diagonal.projection = function(x) { - return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection; - }; - return diagonal; - }; - function d3_svg_diagonalRadialProjection(projection) { - return function() { - var d = projection.apply(this, arguments), r = d[0], a = d[1] - halfπ; - return [ r * Math.cos(a), r * Math.sin(a) ]; - }; - } - d3.svg.symbol = function() { - var type = d3_svg_symbolType, size = d3_svg_symbolSize; - function symbol(d, i) { - return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i)); - } - symbol.type = function(x) { - if (!arguments.length) return type; - type = d3_functor(x); - return symbol; - }; - symbol.size = function(x) { - if (!arguments.length) return size; - size = d3_functor(x); - return symbol; - }; - return symbol; - }; - function d3_svg_symbolSize() { - return 64; - } - function d3_svg_symbolType() { - return "circle"; - } - function d3_svg_symbolCircle(size) { - var r = Math.sqrt(size / π); - return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z"; - } - var d3_svg_symbols = d3.map({ - circle: d3_svg_symbolCircle, - cross: function(size) { - var r = Math.sqrt(size / 5) / 2; - return "M" + -3 * r + "," + -r + "H" + -r + "V" + -3 * r + "H" + r + "V" + -r + "H" + 3 * r + "V" + r + "H" + r + "V" + 3 * r + "H" + -r + "V" + r + "H" + -3 * r + "Z"; - }, - diamond: function(size) { - var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30; - return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z"; - }, - square: function(size) { - var r = Math.sqrt(size) / 2; - return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z"; - }, - "triangle-down": function(size) { - var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2; - return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z"; - }, - "triangle-up": function(size) { - var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2; - return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z"; - } - }); - d3.svg.symbolTypes = d3_svg_symbols.keys(); - var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians); - d3_selectionPrototype.transition = function(name) { - var id = d3_transitionInheritId || ++d3_transitionId, ns = d3_transitionNamespace(name), subgroups = [], subgroup, node, transition = d3_transitionInherit || { - time: Date.now(), - ease: d3_ease_cubicInOut, - delay: 0, - duration: 250 - }; - for (var j = -1, m = this.length; ++j < m; ) { - subgroups.push(subgroup = []); - for (var group = this[j], i = -1, n = group.length; ++i < n; ) { - if (node = group[i]) d3_transitionNode(node, i, ns, id, transition); - subgroup.push(node); - } - } - return d3_transition(subgroups, ns, id); - }; - d3_selectionPrototype.interrupt = function(name) { - return this.each(name == null ? d3_selection_interrupt : d3_selection_interruptNS(d3_transitionNamespace(name))); - }; - var d3_selection_interrupt = d3_selection_interruptNS(d3_transitionNamespace()); - function d3_selection_interruptNS(ns) { - return function() { - var lock, activeId, active; - if ((lock = this[ns]) && (active = lock[activeId = lock.active])) { - active.timer.c = null; - active.timer.t = NaN; - if (--lock.count) delete lock[activeId]; else delete this[ns]; - lock.active += .5; - active.event && active.event.interrupt.call(this, this.__data__, active.index); - } - }; - } - function d3_transition(groups, ns, id) { - d3_subclass(groups, d3_transitionPrototype); - groups.namespace = ns; - groups.id = id; - return groups; - } - var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit; - d3_transitionPrototype.call = d3_selectionPrototype.call; - d3_transitionPrototype.empty = d3_selectionPrototype.empty; - d3_transitionPrototype.node = d3_selectionPrototype.node; - d3_transitionPrototype.size = d3_selectionPrototype.size; - d3.transition = function(selection, name) { - return selection && selection.transition ? d3_transitionInheritId ? selection.transition(name) : selection : d3.selection().transition(selection); - }; - d3.transition.prototype = d3_transitionPrototype; - d3_transitionPrototype.select = function(selector) { - var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnode, node; - selector = d3_selection_selector(selector); - for (var j = -1, m = this.length; ++j < m; ) { - subgroups.push(subgroup = []); - for (var group = this[j], i = -1, n = group.length; ++i < n; ) { - if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i, j))) { - if ("__data__" in node) subnode.__data__ = node.__data__; - d3_transitionNode(subnode, i, ns, id, node[ns][id]); - subgroup.push(subnode); - } else { - subgroup.push(null); - } - } - } - return d3_transition(subgroups, ns, id); - }; - d3_transitionPrototype.selectAll = function(selector) { - var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnodes, node, subnode, transition; - selector = d3_selection_selectorAll(selector); - for (var j = -1, m = this.length; ++j < m; ) { - for (var group = this[j], i = -1, n = group.length; ++i < n; ) { - if (node = group[i]) { - transition = node[ns][id]; - subnodes = selector.call(node, node.__data__, i, j); - subgroups.push(subgroup = []); - for (var k = -1, o = subnodes.length; ++k < o; ) { - if (subnode = subnodes[k]) d3_transitionNode(subnode, k, ns, id, transition); - subgroup.push(subnode); - } - } - } - } - return d3_transition(subgroups, ns, id); - }; - d3_transitionPrototype.filter = function(filter) { - var subgroups = [], subgroup, group, node; - if (typeof filter !== "function") filter = d3_selection_filter(filter); - for (var j = 0, m = this.length; j < m; j++) { - subgroups.push(subgroup = []); - for (var group = this[j], i = 0, n = group.length; i < n; i++) { - if ((node = group[i]) && filter.call(node, node.__data__, i, j)) { - subgroup.push(node); - } - } - } - return d3_transition(subgroups, this.namespace, this.id); - }; - d3_transitionPrototype.tween = function(name, tween) { - var id = this.id, ns = this.namespace; - if (arguments.length < 2) return this.node()[ns][id].tween.get(name); - return d3_selection_each(this, tween == null ? function(node) { - node[ns][id].tween.remove(name); - } : function(node) { - node[ns][id].tween.set(name, tween); - }); - }; - function d3_transition_tween(groups, name, value, tween) { - var id = groups.id, ns = groups.namespace; - return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) { - node[ns][id].tween.set(name, tween(value.call(node, node.__data__, i, j))); - } : (value = tween(value), function(node) { - node[ns][id].tween.set(name, value); - })); - } - d3_transitionPrototype.attr = function(nameNS, value) { - if (arguments.length < 2) { - for (value in nameNS) this.attr(value, nameNS[value]); - return this; - } - var interpolate = nameNS == "transform" ? d3_interpolateTransform : d3_interpolate, name = d3.ns.qualify(nameNS); - function attrNull() { - this.removeAttribute(name); - } - function attrNullNS() { - this.removeAttributeNS(name.space, name.local); - } - function attrTween(b) { - return b == null ? attrNull : (b += "", function() { - var a = this.getAttribute(name), i; - return a !== b && (i = interpolate(a, b), function(t) { - this.setAttribute(name, i(t)); - }); - }); - } - function attrTweenNS(b) { - return b == null ? attrNullNS : (b += "", function() { - var a = this.getAttributeNS(name.space, name.local), i; - return a !== b && (i = interpolate(a, b), function(t) { - this.setAttributeNS(name.space, name.local, i(t)); - }); - }); - } - return d3_transition_tween(this, "attr." + nameNS, value, name.local ? attrTweenNS : attrTween); - }; - d3_transitionPrototype.attrTween = function(nameNS, tween) { - var name = d3.ns.qualify(nameNS); - function attrTween(d, i) { - var f = tween.call(this, d, i, this.getAttribute(name)); - return f && function(t) { - this.setAttribute(name, f(t)); - }; - } - function attrTweenNS(d, i) { - var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local)); - return f && function(t) { - this.setAttributeNS(name.space, name.local, f(t)); - }; - } - return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween); - }; - d3_transitionPrototype.style = function(name, value, priority) { - var n = arguments.length; - if (n < 3) { - if (typeof name !== "string") { - if (n < 2) value = ""; - for (priority in name) this.style(priority, name[priority], value); - return this; - } - priority = ""; - } - function styleNull() { - this.style.removeProperty(name); - } - function styleString(b) { - return b == null ? styleNull : (b += "", function() { - var a = d3_window(this).getComputedStyle(this, null).getPropertyValue(name), i; - return a !== b && (i = d3_interpolate(a, b), function(t) { - this.style.setProperty(name, i(t), priority); - }); - }); - } - return d3_transition_tween(this, "style." + name, value, styleString); - }; - d3_transitionPrototype.styleTween = function(name, tween, priority) { - if (arguments.length < 3) priority = ""; - function styleTween(d, i) { - var f = tween.call(this, d, i, d3_window(this).getComputedStyle(this, null).getPropertyValue(name)); - return f && function(t) { - this.style.setProperty(name, f(t), priority); - }; - } - return this.tween("style." + name, styleTween); - }; - d3_transitionPrototype.text = function(value) { - return d3_transition_tween(this, "text", value, d3_transition_text); - }; - function d3_transition_text(b) { - if (b == null) b = ""; - return function() { - this.textContent = b; - }; - } - d3_transitionPrototype.remove = function() { - var ns = this.namespace; - return this.each("end.transition", function() { - var p; - if (this[ns].count < 2 && (p = this.parentNode)) p.removeChild(this); - }); - }; - d3_transitionPrototype.ease = function(value) { - var id = this.id, ns = this.namespace; - if (arguments.length < 1) return this.node()[ns][id].ease; - if (typeof value !== "function") value = d3.ease.apply(d3, arguments); - return d3_selection_each(this, function(node) { - node[ns][id].ease = value; - }); - }; - d3_transitionPrototype.delay = function(value) { - var id = this.id, ns = this.namespace; - if (arguments.length < 1) return this.node()[ns][id].delay; - return d3_selection_each(this, typeof value === "function" ? function(node, i, j) { - node[ns][id].delay = +value.call(node, node.__data__, i, j); - } : (value = +value, function(node) { - node[ns][id].delay = value; - })); - }; - d3_transitionPrototype.duration = function(value) { - var id = this.id, ns = this.namespace; - if (arguments.length < 1) return this.node()[ns][id].duration; - return d3_selection_each(this, typeof value === "function" ? function(node, i, j) { - node[ns][id].duration = Math.max(1, value.call(node, node.__data__, i, j)); - } : (value = Math.max(1, value), function(node) { - node[ns][id].duration = value; - })); - }; - d3_transitionPrototype.each = function(type, listener) { - var id = this.id, ns = this.namespace; - if (arguments.length < 2) { - var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId; - try { - d3_transitionInheritId = id; - d3_selection_each(this, function(node, i, j) { - d3_transitionInherit = node[ns][id]; - type.call(node, node.__data__, i, j); - }); - } finally { - d3_transitionInherit = inherit; - d3_transitionInheritId = inheritId; - } - } else { - d3_selection_each(this, function(node) { - var transition = node[ns][id]; - (transition.event || (transition.event = d3.dispatch("start", "end", "interrupt"))).on(type, listener); - }); - } - return this; - }; - d3_transitionPrototype.transition = function() { - var id0 = this.id, id1 = ++d3_transitionId, ns = this.namespace, subgroups = [], subgroup, group, node, transition; - for (var j = 0, m = this.length; j < m; j++) { - subgroups.push(subgroup = []); - for (var group = this[j], i = 0, n = group.length; i < n; i++) { - if (node = group[i]) { - transition = node[ns][id0]; - d3_transitionNode(node, i, ns, id1, { - time: transition.time, - ease: transition.ease, - delay: transition.delay + transition.duration, - duration: transition.duration - }); - } - subgroup.push(node); - } - } - return d3_transition(subgroups, ns, id1); - }; - function d3_transitionNamespace(name) { - return name == null ? "__transition__" : "__transition_" + name + "__"; - } - function d3_transitionNode(node, i, ns, id, inherit) { - var lock = node[ns] || (node[ns] = { - active: 0, - count: 0 - }), transition = lock[id], time, timer, duration, ease, tweens; - function schedule(elapsed) { - var delay = transition.delay; - timer.t = delay + time; - if (delay <= elapsed) return start(elapsed - delay); - timer.c = start; - } - function start(elapsed) { - var activeId = lock.active, active = lock[activeId]; - if (active) { - active.timer.c = null; - active.timer.t = NaN; - --lock.count; - delete lock[activeId]; - active.event && active.event.interrupt.call(node, node.__data__, active.index); - } - for (var cancelId in lock) { - if (+cancelId < id) { - var cancel = lock[cancelId]; - cancel.timer.c = null; - cancel.timer.t = NaN; - --lock.count; - delete lock[cancelId]; - } - } - timer.c = tick; - d3_timer(function() { - if (timer.c && tick(elapsed || 1)) { - timer.c = null; - timer.t = NaN; - } - return 1; - }, 0, time); - lock.active = id; - transition.event && transition.event.start.call(node, node.__data__, i); - tweens = []; - transition.tween.forEach(function(key, value) { - if (value = value.call(node, node.__data__, i)) { - tweens.push(value); - } - }); - ease = transition.ease; - duration = transition.duration; - } - function tick(elapsed) { - var t = elapsed / duration, e = ease(t), n = tweens.length; - while (n > 0) { - tweens[--n].call(node, e); - } - if (t >= 1) { - transition.event && transition.event.end.call(node, node.__data__, i); - if (--lock.count) delete lock[id]; else delete node[ns]; - return 1; - } - } - if (!transition) { - time = inherit.time; - timer = d3_timer(schedule, 0, time); - transition = lock[id] = { - tween: new d3_Map(), - time: time, - timer: timer, - delay: inherit.delay, - duration: inherit.duration, - ease: inherit.ease, - index: i - }; - inherit = null; - ++lock.count; - } - } - d3.svg.axis = function() { - var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, innerTickSize = 6, outerTickSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_; - function axis(g) { - g.each(function() { - var g = d3.select(this); - var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = scale.copy(); - var ticks = tickValues == null ? scale1.ticks ? scale1.ticks.apply(scale1, tickArguments_) : scale1.domain() : tickValues, tickFormat = tickFormat_ == null ? scale1.tickFormat ? scale1.tickFormat.apply(scale1, tickArguments_) : d3_identity : tickFormat_, tick = g.selectAll(".tick").data(ticks, scale1), tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", ε), tickExit = d3.transition(tick.exit()).style("opacity", ε).remove(), tickUpdate = d3.transition(tick.order()).style("opacity", 1), tickSpacing = Math.max(innerTickSize, 0) + tickPadding, tickTransform; - var range = d3_scaleRange(scale1), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"), - d3.transition(path)); - tickEnter.append("line"); - tickEnter.append("text"); - var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), text = tick.select("text").text(tickFormat), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text"), sign = orient === "top" || orient === "left" ? -1 : 1, x1, x2, y1, y2; - if (orient === "bottom" || orient === "top") { - tickTransform = d3_svg_axisX, x1 = "x", y1 = "y", x2 = "x2", y2 = "y2"; - text.attr("dy", sign < 0 ? "0em" : ".71em").style("text-anchor", "middle"); - pathUpdate.attr("d", "M" + range[0] + "," + sign * outerTickSize + "V0H" + range[1] + "V" + sign * outerTickSize); - } else { - tickTransform = d3_svg_axisY, x1 = "y", y1 = "x", x2 = "y2", y2 = "x2"; - text.attr("dy", ".32em").style("text-anchor", sign < 0 ? "end" : "start"); - pathUpdate.attr("d", "M" + sign * outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + sign * outerTickSize); - } - lineEnter.attr(y2, sign * innerTickSize); - textEnter.attr(y1, sign * tickSpacing); - lineUpdate.attr(x2, 0).attr(y2, sign * innerTickSize); - textUpdate.attr(x1, 0).attr(y1, sign * tickSpacing); - if (scale1.rangeBand) { - var x = scale1, dx = x.rangeBand() / 2; - scale0 = scale1 = function(d) { - return x(d) + dx; - }; - } else if (scale0.rangeBand) { - scale0 = scale1; - } else { - tickExit.call(tickTransform, scale1, scale0); - } - tickEnter.call(tickTransform, scale0, scale1); - tickUpdate.call(tickTransform, scale1, scale1); - }); - } - axis.scale = function(x) { - if (!arguments.length) return scale; - scale = x; - return axis; - }; - axis.orient = function(x) { - if (!arguments.length) return orient; - orient = x in d3_svg_axisOrients ? x + "" : d3_svg_axisDefaultOrient; - return axis; - }; - axis.ticks = function() { - if (!arguments.length) return tickArguments_; - tickArguments_ = d3_array(arguments); - return axis; - }; - axis.tickValues = function(x) { - if (!arguments.length) return tickValues; - tickValues = x; - return axis; - }; - axis.tickFormat = function(x) { - if (!arguments.length) return tickFormat_; - tickFormat_ = x; - return axis; - }; - axis.tickSize = function(x) { - var n = arguments.length; - if (!n) return innerTickSize; - innerTickSize = +x; - outerTickSize = +arguments[n - 1]; - return axis; - }; - axis.innerTickSize = function(x) { - if (!arguments.length) return innerTickSize; - innerTickSize = +x; - return axis; - }; - axis.outerTickSize = function(x) { - if (!arguments.length) return outerTickSize; - outerTickSize = +x; - return axis; - }; - axis.tickPadding = function(x) { - if (!arguments.length) return tickPadding; - tickPadding = +x; - return axis; - }; - axis.tickSubdivide = function() { - return arguments.length && axis; - }; - return axis; - }; - var d3_svg_axisDefaultOrient = "bottom", d3_svg_axisOrients = { - top: 1, - right: 1, - bottom: 1, - left: 1 - }; - function d3_svg_axisX(selection, x0, x1) { - selection.attr("transform", function(d) { - var v0 = x0(d); - return "translate(" + (isFinite(v0) ? v0 : x1(d)) + ",0)"; - }); - } - function d3_svg_axisY(selection, y0, y1) { - selection.attr("transform", function(d) { - var v0 = y0(d); - return "translate(0," + (isFinite(v0) ? v0 : y1(d)) + ")"; - }); - } - d3.svg.brush = function() { - var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, xExtent = [ 0, 0 ], yExtent = [ 0, 0 ], xExtentDomain, yExtentDomain, xClamp = true, yClamp = true, resizes = d3_svg_brushResizes[0]; - function brush(g) { - g.each(function() { - var g = d3.select(this).style("pointer-events", "all").style("-webkit-tap-highlight-color", "rgba(0,0,0,0)").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart); - var background = g.selectAll(".background").data([ 0 ]); - background.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair"); - g.selectAll(".extent").data([ 0 ]).enter().append("rect").attr("class", "extent").style("cursor", "move"); - var resize = g.selectAll(".resize").data(resizes, d3_identity); - resize.exit().remove(); - resize.enter().append("g").attr("class", function(d) { - return "resize " + d; - }).style("cursor", function(d) { - return d3_svg_brushCursor[d]; - }).append("rect").attr("x", function(d) { - return /[ew]$/.test(d) ? -3 : null; - }).attr("y", function(d) { - return /^[ns]/.test(d) ? -3 : null; - }).attr("width", 6).attr("height", 6).style("visibility", "hidden"); - resize.style("display", brush.empty() ? "none" : null); - var gUpdate = d3.transition(g), backgroundUpdate = d3.transition(background), range; - if (x) { - range = d3_scaleRange(x); - backgroundUpdate.attr("x", range[0]).attr("width", range[1] - range[0]); - redrawX(gUpdate); - } - if (y) { - range = d3_scaleRange(y); - backgroundUpdate.attr("y", range[0]).attr("height", range[1] - range[0]); - redrawY(gUpdate); - } - redraw(gUpdate); - }); - } - brush.event = function(g) { - g.each(function() { - var event_ = event.of(this, arguments), extent1 = { - x: xExtent, - y: yExtent, - i: xExtentDomain, - j: yExtentDomain - }, extent0 = this.__chart__ || extent1; - this.__chart__ = extent1; - if (d3_transitionInheritId) { - d3.select(this).transition().each("start.brush", function() { - xExtentDomain = extent0.i; - yExtentDomain = extent0.j; - xExtent = extent0.x; - yExtent = extent0.y; - event_({ - type: "brushstart" - }); - }).tween("brush:brush", function() { - var xi = d3_interpolateArray(xExtent, extent1.x), yi = d3_interpolateArray(yExtent, extent1.y); - xExtentDomain = yExtentDomain = null; - return function(t) { - xExtent = extent1.x = xi(t); - yExtent = extent1.y = yi(t); - event_({ - type: "brush", - mode: "resize" - }); - }; - }).each("end.brush", function() { - xExtentDomain = extent1.i; - yExtentDomain = extent1.j; - event_({ - type: "brush", - mode: "resize" - }); - event_({ - type: "brushend" - }); - }); - } else { - event_({ - type: "brushstart" - }); - event_({ - type: "brush", - mode: "resize" - }); - event_({ - type: "brushend" - }); - } - }); - }; - function redraw(g) { - g.selectAll(".resize").attr("transform", function(d) { - return "translate(" + xExtent[+/e$/.test(d)] + "," + yExtent[+/^s/.test(d)] + ")"; - }); - } - function redrawX(g) { - g.select(".extent").attr("x", xExtent[0]); - g.selectAll(".extent,.n>rect,.s>rect").attr("width", xExtent[1] - xExtent[0]); - } - function redrawY(g) { - g.select(".extent").attr("y", yExtent[0]); - g.selectAll(".extent,.e>rect,.w>rect").attr("height", yExtent[1] - yExtent[0]); - } - function brushstart() { - var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), dragRestore = d3_event_dragSuppress(target), center, origin = d3.mouse(target), offset; - var w = d3.select(d3_window(target)).on("keydown.brush", keydown).on("keyup.brush", keyup); - if (d3.event.changedTouches) { - w.on("touchmove.brush", brushmove).on("touchend.brush", brushend); - } else { - w.on("mousemove.brush", brushmove).on("mouseup.brush", brushend); - } - g.interrupt().selectAll("*").interrupt(); - if (dragging) { - origin[0] = xExtent[0] - origin[0]; - origin[1] = yExtent[0] - origin[1]; - } else if (resizing) { - var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing); - offset = [ xExtent[1 - ex] - origin[0], yExtent[1 - ey] - origin[1] ]; - origin[0] = xExtent[ex]; - origin[1] = yExtent[ey]; - } else if (d3.event.altKey) center = origin.slice(); - g.style("pointer-events", "none").selectAll(".resize").style("display", null); - d3.select("body").style("cursor", eventTarget.style("cursor")); - event_({ - type: "brushstart" - }); - brushmove(); - function keydown() { - if (d3.event.keyCode == 32) { - if (!dragging) { - center = null; - origin[0] -= xExtent[1]; - origin[1] -= yExtent[1]; - dragging = 2; - } - d3_eventPreventDefault(); - } - } - function keyup() { - if (d3.event.keyCode == 32 && dragging == 2) { - origin[0] += xExtent[1]; - origin[1] += yExtent[1]; - dragging = 0; - d3_eventPreventDefault(); - } - } - function brushmove() { - var point = d3.mouse(target), moved = false; - if (offset) { - point[0] += offset[0]; - point[1] += offset[1]; - } - if (!dragging) { - if (d3.event.altKey) { - if (!center) center = [ (xExtent[0] + xExtent[1]) / 2, (yExtent[0] + yExtent[1]) / 2 ]; - origin[0] = xExtent[+(point[0] < center[0])]; - origin[1] = yExtent[+(point[1] < center[1])]; - } else center = null; - } - if (resizingX && move1(point, x, 0)) { - redrawX(g); - moved = true; - } - if (resizingY && move1(point, y, 1)) { - redrawY(g); - moved = true; - } - if (moved) { - redraw(g); - event_({ - type: "brush", - mode: dragging ? "move" : "resize" - }); - } - } - function move1(point, scale, i) { - var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], extent = i ? yExtent : xExtent, size = extent[1] - extent[0], min, max; - if (dragging) { - r0 -= position; - r1 -= size + position; - } - min = (i ? yClamp : xClamp) ? Math.max(r0, Math.min(r1, point[i])) : point[i]; - if (dragging) { - max = (min += position) + size; - } else { - if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min)); - if (position < min) { - max = min; - min = position; - } else { - max = position; - } - } - if (extent[0] != min || extent[1] != max) { - if (i) yExtentDomain = null; else xExtentDomain = null; - extent[0] = min; - extent[1] = max; - return true; - } - } - function brushend() { - brushmove(); - g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null); - d3.select("body").style("cursor", null); - w.on("mousemove.brush", null).on("mouseup.brush", null).on("touchmove.brush", null).on("touchend.brush", null).on("keydown.brush", null).on("keyup.brush", null); - dragRestore(); - event_({ - type: "brushend" - }); - } - } - brush.x = function(z) { - if (!arguments.length) return x; - x = z; - resizes = d3_svg_brushResizes[!x << 1 | !y]; - return brush; - }; - brush.y = function(z) { - if (!arguments.length) return y; - y = z; - resizes = d3_svg_brushResizes[!x << 1 | !y]; - return brush; - }; - brush.clamp = function(z) { - if (!arguments.length) return x && y ? [ xClamp, yClamp ] : x ? xClamp : y ? yClamp : null; - if (x && y) xClamp = !!z[0], yClamp = !!z[1]; else if (x) xClamp = !!z; else if (y) yClamp = !!z; - return brush; - }; - brush.extent = function(z) { - var x0, x1, y0, y1, t; - if (!arguments.length) { - if (x) { - if (xExtentDomain) { - x0 = xExtentDomain[0], x1 = xExtentDomain[1]; - } else { - x0 = xExtent[0], x1 = xExtent[1]; - if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1); - if (x1 < x0) t = x0, x0 = x1, x1 = t; - } - } - if (y) { - if (yExtentDomain) { - y0 = yExtentDomain[0], y1 = yExtentDomain[1]; - } else { - y0 = yExtent[0], y1 = yExtent[1]; - if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1); - if (y1 < y0) t = y0, y0 = y1, y1 = t; - } - } - return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ]; - } - if (x) { - x0 = z[0], x1 = z[1]; - if (y) x0 = x0[0], x1 = x1[0]; - xExtentDomain = [ x0, x1 ]; - if (x.invert) x0 = x(x0), x1 = x(x1); - if (x1 < x0) t = x0, x0 = x1, x1 = t; - if (x0 != xExtent[0] || x1 != xExtent[1]) xExtent = [ x0, x1 ]; - } - if (y) { - y0 = z[0], y1 = z[1]; - if (x) y0 = y0[1], y1 = y1[1]; - yExtentDomain = [ y0, y1 ]; - if (y.invert) y0 = y(y0), y1 = y(y1); - if (y1 < y0) t = y0, y0 = y1, y1 = t; - if (y0 != yExtent[0] || y1 != yExtent[1]) yExtent = [ y0, y1 ]; - } - return brush; - }; - brush.clear = function() { - if (!brush.empty()) { - xExtent = [ 0, 0 ], yExtent = [ 0, 0 ]; - xExtentDomain = yExtentDomain = null; - } - return brush; - }; - brush.empty = function() { - return !!x && xExtent[0] == xExtent[1] || !!y && yExtent[0] == yExtent[1]; - }; - return d3.rebind(brush, event, "on"); - }; - var d3_svg_brushCursor = { - n: "ns-resize", - e: "ew-resize", - s: "ns-resize", - w: "ew-resize", - nw: "nwse-resize", - ne: "nesw-resize", - se: "nwse-resize", - sw: "nesw-resize" - }; - var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ]; - var d3_time_format = d3_time.format = d3_locale_enUS.timeFormat; - var d3_time_formatUtc = d3_time_format.utc; - var d3_time_formatIso = d3_time_formatUtc("%Y-%m-%dT%H:%M:%S.%LZ"); - d3_time_format.iso = Date.prototype.toISOString && +new Date("2000-01-01T00:00:00.000Z") ? d3_time_formatIsoNative : d3_time_formatIso; - function d3_time_formatIsoNative(date) { - return date.toISOString(); - } - d3_time_formatIsoNative.parse = function(string) { - var date = new Date(string); - return isNaN(date) ? null : date; - }; - d3_time_formatIsoNative.toString = d3_time_formatIso.toString; - d3_time.second = d3_time_interval(function(date) { - return new d3_date(Math.floor(date / 1e3) * 1e3); - }, function(date, offset) { - date.setTime(date.getTime() + Math.floor(offset) * 1e3); - }, function(date) { - return date.getSeconds(); - }); - d3_time.seconds = d3_time.second.range; - d3_time.seconds.utc = d3_time.second.utc.range; - d3_time.minute = d3_time_interval(function(date) { - return new d3_date(Math.floor(date / 6e4) * 6e4); - }, function(date, offset) { - date.setTime(date.getTime() + Math.floor(offset) * 6e4); - }, function(date) { - return date.getMinutes(); - }); - d3_time.minutes = d3_time.minute.range; - d3_time.minutes.utc = d3_time.minute.utc.range; - d3_time.hour = d3_time_interval(function(date) { - var timezone = date.getTimezoneOffset() / 60; - return new d3_date((Math.floor(date / 36e5 - timezone) + timezone) * 36e5); - }, function(date, offset) { - date.setTime(date.getTime() + Math.floor(offset) * 36e5); - }, function(date) { - return date.getHours(); - }); - d3_time.hours = d3_time.hour.range; - d3_time.hours.utc = d3_time.hour.utc.range; - d3_time.month = d3_time_interval(function(date) { - date = d3_time.day(date); - date.setDate(1); - return date; - }, function(date, offset) { - date.setMonth(date.getMonth() + offset); - }, function(date) { - return date.getMonth(); - }); - d3_time.months = d3_time.month.range; - d3_time.months.utc = d3_time.month.utc.range; - function d3_time_scale(linear, methods, format) { - function scale(x) { - return linear(x); - } - scale.invert = function(x) { - return d3_time_scaleDate(linear.invert(x)); - }; - scale.domain = function(x) { - if (!arguments.length) return linear.domain().map(d3_time_scaleDate); - linear.domain(x); - return scale; - }; - function tickMethod(extent, count) { - var span = extent[1] - extent[0], target = span / count, i = d3.bisect(d3_time_scaleSteps, target); - return i == d3_time_scaleSteps.length ? [ methods.year, d3_scale_linearTickRange(extent.map(function(d) { - return d / 31536e6; - }), count)[2] ] : !i ? 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0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:this._context.lineTo(t,n)}}};var u_=pc(oc);hc.prototype={areaStart:function(){this._curve.areaStart()},areaEnd:function(){this._curve.areaEnd()},lineStart:function(){this._curve.lineStart()},lineEnd:function(){this._curve.lineEnd()},point:function(t,n){this._curve.point(n*Math.sin(t),n*-Math.cos(t))}};var a_=Array.prototype.slice,c_={draw:function(t,n){var e=Math.sqrt(n/r_);t.moveTo(e,0),t.arc(0,0,e,0,o_)}},s_={draw:function(t,n){var e=Math.sqrt(n/5)/2;t.moveTo(-3*e,-e),t.lineTo(-e,-e),t.lineTo(-e,-3*e),t.lineTo(e,-3*e),t.lineTo(e,-e),t.lineTo(3*e,-e),t.lineTo(3*e,e),t.lineTo(e,e),t.lineTo(e,3*e),t.lineTo(-e,3*e),t.lineTo(-e,e),t.lineTo(-3*e,e),t.closePath()}},f_=Math.sqrt(1/3),l_=2*f_,h_={draw:function(t,n){var e=Math.sqrt(n/l_),r=e*f_;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},p_=Math.sin(r_/10)/Math.sin(7*r_/10),d_=Math.sin(o_/10)*p_,v_=-Math.cos(o_/10)*p_,g_={draw:function(t,n){var e=Math.sqrt(.8908130915292852*n),r=d_*e,i=v_*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var u=o_*o/5,a=Math.cos(u),c=Math.sin(u);t.lineTo(c*e,-a*e),t.lineTo(a*r-c*i,c*r+a*i)}t.closePath()}},__={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},y_=Math.sqrt(3),m_={draw:function(t,n){var e=-Math.sqrt(n/(3*y_));t.moveTo(0,2*e),t.lineTo(-y_*e,-e),t.lineTo(y_*e,-e),t.closePath()}},x_=Math.sqrt(3)/2,b_=1/Math.sqrt(12),w_=3*(b_/2+1),M_={draw:function(t,n){var e=Math.sqrt(n/w_),r=e/2,i=e*b_,o=r,u=e*b_+e,a=-o,c=u;t.moveTo(r,i),t.lineTo(o,u),t.lineTo(a,c),t.lineTo(-.5*r-x_*i,x_*r+-.5*i),t.lineTo(-.5*o-x_*u,x_*o+-.5*u),t.lineTo(-.5*a-x_*c,x_*a+-.5*c),t.lineTo(-.5*r+x_*i,-.5*i-x_*r),t.lineTo(-.5*o+x_*u,-.5*u-x_*o),t.lineTo(-.5*a+x_*c,-.5*c-x_*a),t.closePath()}},T_=[c_,s_,h_,__,g_,m_,M_];kc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Nc(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Nc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Sc.prototype={areaStart:Tc,areaEnd:Tc,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Nc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Ec.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Nc(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Ac.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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-561,11 +561,11 @@ function identity$1(x) { return x; } -var top = 1; -var right = 2; -var bottom = 3; -var left = 4; -var epsilon = 1e-6; +var top = 1, + right = 2, + bottom = 3, + left = 4, + epsilon = 1e-6; function translateX(x) { return "translate(" + (x + 0.5) + ",0)"; @@ -878,12 +878,12 @@ function selection_select(select) { return new Selection(subgroups, this._parents); } -function empty$1() { +function empty() { return []; } function selectorAll(selector) { - return selector == null ? empty$1 : function() { + return selector == null ? empty : function() { return this.querySelectorAll(selector); }; } @@ -1702,7 +1702,7 @@ function create(name) { var nextId = 0; -function local$1() { +function local() { return new Local; } @@ -1710,7 +1710,7 @@ function Local() { this._ = "@" + (++nextId).toString(36); } -Local.prototype = local$1.prototype = { +Local.prototype = local.prototype = { constructor: Local, get: function(node) { var id = this._; @@ -1793,9 +1793,9 @@ function noevent() { function dragDisable(view) { var root = view.document.documentElement, - selection = select(view).on("dragstart.drag", noevent, true); + selection$$1 = select(view).on("dragstart.drag", noevent, true); if ("onselectstart" in root) { - selection.on("selectstart.drag", noevent, true); + selection$$1.on("selectstart.drag", noevent, true); } else { root.__noselect = root.style.MozUserSelect; root.style.MozUserSelect = "none"; @@ -1804,13 +1804,13 @@ function dragDisable(view) { function yesdrag(view, noclick) { var root = view.document.documentElement, - selection = select(view).on("dragstart.drag", null); + selection$$1 = select(view).on("dragstart.drag", null); if (noclick) { - selection.on("click.drag", noevent, true); - setTimeout(function() { selection.on("click.drag", null); }, 0); + selection$$1.on("click.drag", noevent, true); + setTimeout(function() { selection$$1.on("click.drag", null); }, 0); } if ("onselectstart" in root) { - selection.on("selectstart.drag", null); + selection$$1.on("selectstart.drag", null); } else { root.style.MozUserSelect = root.__noselect; delete root.__noselect; @@ -1842,7 +1842,7 @@ DragEvent.prototype.on = function() { }; // Ignore right-click, since that should open the context menu. -function defaultFilter$1() { +function defaultFilter() { return !exports.event.button; } @@ -1859,7 +1859,7 @@ function defaultTouchable() { } function drag() { - var filter = defaultFilter$1, + var filter = defaultFilter, container = defaultContainer, subject = defaultSubject, touchable = defaultTouchable, @@ -1872,8 +1872,8 @@ function drag() { touchending, clickDistance2 = 0; - function drag(selection) { - selection + function drag(selection$$1) { + selection$$1 .on("mousedown.drag", mousedowned) .filter(touchable) .on("touchstart.drag", touchstarted) @@ -1914,12 +1914,12 @@ function drag() { function touchstarted() { if (!filter.apply(this, arguments)) return; - var touches = exports.event.changedTouches, + var touches$$1 = exports.event.changedTouches, c = container.apply(this, arguments), - n = touches.length, i, gesture; + n = touches$$1.length, i, gesture; for (i = 0; i < n; ++i) { - if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) { + if (gesture = beforestart(touches$$1[i].identifier, c, touch, this, arguments)) { nopropagation(); gesture("start"); } @@ -1927,11 +1927,11 @@ function drag() { } function touchmoved() { - var touches = exports.event.changedTouches, - n = touches.length, i, gesture; + var touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, gesture; for (i = 0; i < n; ++i) { - if (gesture = gestures[touches[i].identifier]) { + if (gesture = gestures[touches$$1[i].identifier]) { noevent(); gesture("drag"); } @@ -1939,21 +1939,21 @@ function drag() { } function touchended() { - var touches = exports.event.changedTouches, - n = touches.length, i, gesture; + var touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, gesture; if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! for (i = 0; i < n; ++i) { - if (gesture = gestures[touches[i].identifier]) { + if (gesture = gestures[touches$$1[i].identifier]) { nopropagation(); gesture("end"); } } } - function beforestart(id, container, point, that, args) { - var p = point(container, id), s, dx, dy, + function beforestart(id, container, point$$1, that, args) { + var p = point$$1(container, id), s, dx, dy, sublisteners = listeners.copy(); if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { @@ -1968,7 +1968,7 @@ function drag() { switch (type) { case "start": gestures[id] = gesture, n = active++; break; case "end": delete gestures[id], --active; // nobreak - case "drag": p = point(container, id), n = active; break; + case "drag": p = point$$1(container, id), n = active; break; } customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); }; @@ -2018,17 +2018,17 @@ function Color() {} var darker = 0.7; var brighter = 1 / darker; -var reI = "\\s*([+-]?\\d+)\\s*"; -var reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*"; -var reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*"; -var reHex3 = /^#([0-9a-f]{3})$/; -var reHex6 = /^#([0-9a-f]{6})$/; -var reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"); -var reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"); -var reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"); -var reRgbaPercent = new RegExp("^rgba\\(" + [reP, reP, reP, reN] + "\\)$"); -var reHslPercent = new RegExp("^hsl\\(" + [reN, reP, reP] + "\\)$"); -var reHslaPercent = new RegExp("^hsla\\(" + [reN, reP, reP, reN] + "\\)$"); +var reI = "\\s*([+-]?\\d+)\\s*", + reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*", + reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*", + reHex3 = /^#([0-9a-f]{3})$/, + reHex6 = /^#([0-9a-f]{6})$/, + reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"), + reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"), + reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"), + reRgbaPercent = new RegExp("^rgba\\(" + [reP, reP, reP, reN] + "\\)$"), + reHslPercent = new RegExp("^hsl\\(" + [reN, reP, reP] + "\\)$"), + reHslaPercent = new RegExp("^hsla\\(" + [reN, reP, reP, reN] + "\\)$"); var named = { aliceblue: 0xf0f8ff, @@ -2185,6 +2185,9 @@ define(Color, color, { displayable: function() { return this.rgb().displayable(); }, + hex: function() { + return this.rgb().hex(); + }, toString: function() { return this.rgb() + ""; } @@ -2251,6 +2254,9 @@ define(Rgb, rgb, extend(Color, { && (0 <= this.b && this.b <= 255) && (0 <= this.opacity && this.opacity <= 1); }, + hex: function() { + return "#" + hex(this.r) + hex(this.g) + hex(this.b); + }, toString: function() { var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); return (a === 1 ? "rgb(" : "rgba(") @@ -2261,6 +2267,11 @@ define(Rgb, rgb, extend(Color, { } })); +function hex(value) { + value = Math.max(0, Math.min(255, Math.round(value) || 0)); + return (value < 16 ? "0" : "") + value.toString(16); +} + function hsla(h, s, l, a) { if (a <= 0) h = s = l = NaN; else if (l <= 0 || l >= 1) h = s = NaN; @@ -2345,31 +2356,39 @@ function hsl2rgb(h, m1, m2) { var deg2rad = Math.PI / 180; var rad2deg = 180 / Math.PI; -var Kn = 18; -var Xn = 0.950470; -var Yn = 1; -var Zn = 1.088830; -var t0 = 4 / 29; -var t1 = 6 / 29; -var t2 = 3 * t1 * t1; -var t3 = t1 * t1 * t1; +// https://beta.observablehq.com/@mbostock/lab-and-rgb +var K = 18, + Xn = 0.96422, + Yn = 1, + Zn = 0.82521, + t0 = 4 / 29, + t1 = 6 / 29, + t2 = 3 * t1 * t1, + t3 = t1 * t1 * t1; function labConvert(o) { if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); if (o instanceof Hcl) { + if (isNaN(o.h)) return new Lab(o.l, 0, 0, o.opacity); var h = o.h * deg2rad; return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); } if (!(o instanceof Rgb)) o = rgbConvert(o); - var b = rgb2xyz(o.r), - a = rgb2xyz(o.g), - l = rgb2xyz(o.b), - x = xyz2lab((0.4124564 * b + 0.3575761 * a + 0.1804375 * l) / Xn), - y = xyz2lab((0.2126729 * b + 0.7151522 * a + 0.0721750 * l) / Yn), - z = xyz2lab((0.0193339 * b + 0.1191920 * a + 0.9503041 * l) / Zn); + var r = rgb2lrgb(o.r), + g = rgb2lrgb(o.g), + b = rgb2lrgb(o.b), + y = xyz2lab((0.2225045 * r + 0.7168786 * g + 0.0606169 * b) / Yn), x, z; + if (r === g && g === b) x = z = y; else { + x = xyz2lab((0.4360747 * r + 0.3850649 * g + 0.1430804 * b) / Xn); + z = xyz2lab((0.0139322 * r + 0.0971045 * g + 0.7141733 * b) / Zn); + } return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity); } +function gray(l, opacity) { + return new Lab(l, 0, 0, opacity == null ? 1 : opacity); +} + function lab(l, a, b, opacity) { return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity); } @@ -2383,22 +2402,22 @@ function Lab(l, a, b, opacity) { define(Lab, lab, extend(Color, { brighter: function(k) { - return new Lab(this.l + Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); + return new Lab(this.l + K * (k == null ? 1 : k), this.a, this.b, this.opacity); }, darker: function(k) { - return new Lab(this.l - Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); + return new Lab(this.l - K * (k == null ? 1 : k), this.a, this.b, this.opacity); }, rgb: function() { var y = (this.l + 16) / 116, x = isNaN(this.a) ? y : y + this.a / 500, z = isNaN(this.b) ? y : y - this.b / 200; - y = Yn * lab2xyz(y); x = Xn * lab2xyz(x); + y = Yn * lab2xyz(y); z = Zn * lab2xyz(z); return new Rgb( - xyz2rgb( 3.2404542 * x - 1.5371385 * y - 0.4985314 * z), // D65 -> sRGB - xyz2rgb(-0.9692660 * x + 1.8760108 * y + 0.0415560 * z), - xyz2rgb( 0.0556434 * x - 0.2040259 * y + 1.0572252 * z), + lrgb2rgb( 3.1338561 * x - 1.6168667 * y - 0.4906146 * z), + lrgb2rgb(-0.9787684 * x + 1.9161415 * y + 0.0334540 * z), + lrgb2rgb( 0.0719453 * x - 0.2289914 * y + 1.4052427 * z), this.opacity ); } @@ -2412,21 +2431,26 @@ function lab2xyz(t) { return t > t1 ? t * t * t : t2 * (t - t0); } -function xyz2rgb(x) { +function lrgb2rgb(x) { return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055); } -function rgb2xyz(x) { +function rgb2lrgb(x) { return (x /= 255) <= 0.04045 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4); } function hclConvert(o) { if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); if (!(o instanceof Lab)) o = labConvert(o); + if (o.a === 0 && o.b === 0) return new Hcl(NaN, 0, o.l, o.opacity); var h = Math.atan2(o.b, o.a) * rad2deg; return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); } +function lch(l, c, h, opacity) { + return arguments.length === 1 ? hclConvert(l) : new Hcl(h, c, l, opacity == null ? 1 : opacity); +} + function hcl(h, c, l, opacity) { return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity); } @@ -2440,24 +2464,24 @@ function Hcl(h, c, l, opacity) { define(Hcl, hcl, extend(Color, { brighter: function(k) { - return new Hcl(this.h, this.c, this.l + Kn * (k == null ? 1 : k), this.opacity); + return new Hcl(this.h, this.c, this.l + K * (k == null ? 1 : k), this.opacity); }, darker: function(k) { - return new Hcl(this.h, this.c, this.l - Kn * (k == null ? 1 : k), this.opacity); + return new Hcl(this.h, this.c, this.l - K * (k == null ? 1 : k), this.opacity); }, rgb: function() { return labConvert(this).rgb(); } })); -var A = -0.14861; -var B = +1.78277; -var C = -0.29227; -var D = -0.90649; -var E = +1.97294; -var ED = E * D; -var EB = E * B; -var BC_DA = B * C - D * A; +var A = -0.14861, + B = +1.78277, + C = -0.29227, + D = -0.90649, + E = +1.97294, + ED = E * D, + EB = E * B, + BC_DA = B * C - D * A; function cubehelixConvert(o) { if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity); @@ -2676,8 +2700,8 @@ function object(a, b) { }; } -var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; -var reB = new RegExp(reA.source, "g"); +var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g, + reB = new RegExp(reA.source, "g"); function zero(b) { return function() { @@ -2784,10 +2808,10 @@ function decompose(a, b, c, d, e, f) { }; } -var cssNode; -var cssRoot; -var cssView; -var svgNode; +var cssNode, + cssRoot, + cssView, + svgNode; function parseCss(value) { if (value === "none") return identity$2; @@ -2869,10 +2893,10 @@ function interpolateTransform(parse, pxComma, pxParen, degParen) { var interpolateTransformCss = interpolateTransform(parseCss, "px, ", "px)", "deg)"); var interpolateTransformSvg = interpolateTransform(parseSvg, ", ", ")", ")"); -var rho = Math.SQRT2; -var rho2 = 2; -var rho4 = 4; -var epsilon2 = 1e-12; +var rho = Math.SQRT2, + rho2 = 2, + rho4 = 4, + epsilon2 = 1e-12; function cosh(x) { return ((x = Math.exp(x)) + 1 / x) / 2; @@ -3013,23 +3037,32 @@ function cubehelix$1(hue$$1) { var cubehelix$2 = cubehelix$1(hue); var cubehelixLong = cubehelix$1(nogamma); +function piecewise(interpolate, values) { + var i = 0, n = values.length - 1, v = values[0], I = new Array(n < 0 ? 0 : n); + while (i < n) I[i] = interpolate(v, v = values[++i]); + return function(t) { + var i = Math.max(0, Math.min(n - 1, Math.floor(t *= n))); + return I[i](t - i); + }; +} + function quantize(interpolator, n) { var samples = new Array(n); for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); return samples; } -var frame = 0; -var timeout = 0; -var interval = 0; -var pokeDelay = 1000; -var taskHead; -var taskTail; -var clockLast = 0; -var clockNow = 0; -var clockSkew = 0; -var clock = typeof performance === "object" && performance.now ? performance : Date; -var setFrame = typeof window === "object" && window.requestAnimationFrame ? window.requestAnimationFrame.bind(window) : function(f) { setTimeout(f, 17); }; +var frame = 0, // is an animation frame pending? + timeout = 0, // is a timeout pending? + interval = 0, // are any timers active? + pokeDelay = 1000, // how frequently we check for clock skew + taskHead, + taskTail, + clockLast = 0, + clockNow = 0, + clockSkew = 0, + clock = typeof performance === "object" && performance.now ? performance : Date, + setFrame = typeof window === "object" && window.requestAnimationFrame ? window.requestAnimationFrame.bind(window) : function(f) { setTimeout(f, 17); }; function now() { return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew); @@ -3657,15 +3690,15 @@ function transition_remove() { return this.on("end.remove", removeFunction(this._id)); } -function transition_select(select) { +function transition_select(select$$1) { var name = this._name, id = this._id; - if (typeof select !== "function") select = selector(select); + if (typeof select$$1 !== "function") select$$1 = selector(select$$1); for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { + if ((node = group[i]) && (subnode = select$$1.call(node, node.__data__, i, group))) { if ("__data__" in node) subnode.__data__ = node.__data__; subgroup[i] = subnode; schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); @@ -3676,16 +3709,16 @@ function transition_select(select) { return new Transition(subgroups, this._parents, name, id); } -function transition_selectAll(select) { +function transition_selectAll(select$$1) { var name = this._name, id = this._id; - if (typeof select !== "function") select = selectorAll(select); + if (typeof select$$1 !== "function") select$$1 = selectorAll(select$$1); for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { if (node = group[i]) { - for (var children = select.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { + for (var children = select$$1.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { if (child = children[k]) { schedule(child, name, id, k, children, inherit); } @@ -3931,8 +3964,8 @@ var polyInOut = (function custom(e) { return polyInOut; })(exponent); -var pi = Math.PI; -var halfPi = pi / 2; +var pi = Math.PI, + halfPi = pi / 2; function sinIn(t) { return 1 - Math.cos(t * halfPi); @@ -3970,16 +4003,16 @@ function circleInOut(t) { return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2; } -var b1 = 4 / 11; -var b2 = 6 / 11; -var b3 = 8 / 11; -var b4 = 3 / 4; -var b5 = 9 / 11; -var b6 = 10 / 11; -var b7 = 15 / 16; -var b8 = 21 / 22; -var b9 = 63 / 64; -var b0 = 1 / b1 / b1; +var b1 = 4 / 11, + b2 = 6 / 11, + b3 = 8 / 11, + b4 = 3 / 4, + b5 = 9 / 11, + b6 = 10 / 11, + b7 = 15 / 16, + b8 = 21 / 22, + b9 = 63 / 64, + b0 = 1 / b1 / b1; function bounceIn(t) { return 1 - bounceOut(1 - t); @@ -4031,9 +4064,9 @@ var backInOut = (function custom(s) { return backInOut; })(overshoot); -var tau = 2 * Math.PI; -var amplitude = 1; -var period = 0.3; +var tau = 2 * Math.PI, + amplitude = 1, + period = 0.3; var elasticIn = (function custom(a, p) { var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); @@ -4157,10 +4190,10 @@ function noevent$1() { exports.event.stopImmediatePropagation(); } -var MODE_DRAG = {name: "drag"}; -var MODE_SPACE = {name: "space"}; -var MODE_HANDLE = {name: "handle"}; -var MODE_CENTER = {name: "center"}; +var MODE_DRAG = {name: "drag"}, + MODE_SPACE = {name: "space"}, + MODE_HANDLE = {name: "handle"}, + MODE_CENTER = {name: "center"}; var X = { name: "x", @@ -4245,7 +4278,7 @@ function type(t) { } // Ignore right-click, since that should open the context menu. -function defaultFilter() { +function defaultFilter$1() { return !exports.event.button; } @@ -4255,12 +4288,12 @@ function defaultExtent() { } // Like d3.local, but with the name “__brush” rather than auto-generated. -function local(node) { +function local$1(node) { while (!node.__brush) if (!(node = node.parentNode)) return; return node.__brush; } -function empty(extent) { +function empty$1(extent) { return extent[0][0] === extent[1][0] || extent[0][1] === extent[1][1]; } @@ -4284,7 +4317,7 @@ function brush() { function brush$1(dim) { var extent = defaultExtent, - filter = defaultFilter, + filter = defaultFilter$1, listeners = dispatch(brush, "start", "brush", "end"), handleSize = 6, touchending; @@ -4301,7 +4334,7 @@ function brush$1(dim) { .attr("cursor", cursors.overlay) .merge(overlay) .each(function() { - var extent = local(this).extent; + var extent = local$1(this).extent; select(this) .attr("x", extent[0][0]) .attr("y", extent[0][1]) @@ -4336,7 +4369,7 @@ function brush$1(dim) { .on("mousedown.brush touchstart.brush", started); } - brush.move = function(group, selection) { + brush.move = function(group, selection$$1) { if (group.selection) { group .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) @@ -4346,11 +4379,11 @@ function brush$1(dim) { state = that.__brush, emit = emitter(that, arguments), selection0 = state.selection, - selection1 = dim.input(typeof selection === "function" ? selection.apply(this, arguments) : selection, state.extent), + selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(this, arguments) : selection$$1, state.extent), i = interpolateValue(selection0, selection1); function tween(t) { - state.selection = t === 1 && empty(selection1) ? null : i(t); + state.selection = t === 1 && empty$1(selection1) ? null : i(t); redraw.call(that); emit.brush(); } @@ -4363,11 +4396,11 @@ function brush$1(dim) { var that = this, args = arguments, state = that.__brush, - selection1 = dim.input(typeof selection === "function" ? selection.apply(that, args) : selection, state.extent), + selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(that, args) : selection$$1, state.extent), emit = emitter(that, args).beforestart(); interrupt(that); - state.selection = selection1 == null || empty(selection1) ? null : selection1; + state.selection = selection1 == null || empty$1(selection1) ? null : selection1; redraw.call(that); emit.start().brush().end(); }); @@ -4376,22 +4409,22 @@ function brush$1(dim) { function redraw() { var group = select(this), - selection = local(this).selection; + selection$$1 = local$1(this).selection; - if (selection) { + if (selection$$1) { group.selectAll(".selection") .style("display", null) - .attr("x", selection[0][0]) - .attr("y", selection[0][1]) - .attr("width", selection[1][0] - selection[0][0]) - .attr("height", selection[1][1] - selection[0][1]); + .attr("x", selection$$1[0][0]) + .attr("y", selection$$1[0][1]) + .attr("width", selection$$1[1][0] - selection$$1[0][0]) + .attr("height", selection$$1[1][1] - selection$$1[0][1]); group.selectAll(".handle") .style("display", null) - .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection[1][0] - handleSize / 2 : selection[0][0] - handleSize / 2; }) - .attr("y", function(d) { return d.type[0] === "s" ? selection[1][1] - handleSize / 2 : selection[0][1] - handleSize / 2; }) - .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection[1][0] - selection[0][0] + handleSize : handleSize; }) - .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection[1][1] - selection[0][1] + handleSize : handleSize; }); + .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection$$1[1][0] - handleSize / 2 : selection$$1[0][0] - handleSize / 2; }) + .attr("y", function(d) { return d.type[0] === "s" ? selection$$1[1][1] - handleSize / 2 : selection$$1[0][1] - handleSize / 2; }) + .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection$$1[1][0] - selection$$1[0][0] + handleSize : handleSize; }) + .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection$$1[1][1] - selection$$1[0][1] + handleSize : handleSize; }); } else { @@ -4447,9 +4480,9 @@ function brush$1(dim) { mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE), signX = dim === Y ? null : signsX[type], signY = dim === X ? null : signsY[type], - state = local(that), + state = local$1(that), extent = state.extent, - selection = state.selection, + selection$$1 = state.selection, W = extent[0][0], w0, w1, N = extent[0][1], n0, n1, E = extent[1][0], e0, e1, @@ -4461,19 +4494,19 @@ function brush$1(dim) { lockX, lockY, point0 = mouse(that), - point = point0, + point$$1 = point0, emit = emitter(that, arguments).beforestart(); if (type === "overlay") { - state.selection = selection = [ + state.selection = selection$$1 = [ [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] ]; } else { - w0 = selection[0][0]; - n0 = selection[0][1]; - e0 = selection[1][0]; - s0 = selection[1][1]; + w0 = selection$$1[0][0]; + n0 = selection$$1[0][1]; + e0 = selection$$1[1][0]; + s0 = selection$$1[1][1]; } w1 = w0; @@ -4509,10 +4542,10 @@ function brush$1(dim) { function moved() { var point1 = mouse(that); if (shifting && !lockX && !lockY) { - if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true; + if (Math.abs(point1[0] - point$$1[0]) > Math.abs(point1[1] - point$$1[1])) lockY = true; else lockX = true; } - point = point1; + point$$1 = point1; moving = true; noevent$1(); move(); @@ -4521,8 +4554,8 @@ function brush$1(dim) { function move() { var t; - dx = point[0] - point0[0]; - dy = point[1] - point0[1]; + dx = point$$1[0] - point0[0]; + dy = point$$1[1] - point0[1]; switch (mode) { case MODE_SPACE: @@ -4559,14 +4592,14 @@ function brush$1(dim) { if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); } - if (state.selection) selection = state.selection; // May be set by brush.move! - if (lockX) w1 = selection[0][0], e1 = selection[1][0]; - if (lockY) n1 = selection[0][1], s1 = selection[1][1]; + if (state.selection) selection$$1 = state.selection; // May be set by brush.move! + if (lockX) w1 = selection$$1[0][0], e1 = selection$$1[1][0]; + if (lockY) n1 = selection$$1[0][1], s1 = selection$$1[1][1]; - if (selection[0][0] !== w1 - || selection[0][1] !== n1 - || selection[1][0] !== e1 - || selection[1][1] !== s1) { + if (selection$$1[0][0] !== w1 + || selection$$1[0][1] !== n1 + || selection$$1[1][0] !== e1 + || selection$$1[1][1] !== s1) { state.selection = [[w1, n1], [e1, s1]]; redraw.call(that); emit.brush(); @@ -4586,8 +4619,8 @@ function brush$1(dim) { } group.attr("pointer-events", "all"); overlay.attr("cursor", cursors.overlay); - if (state.selection) selection = state.selection; // May be set by brush.move (on start)! - if (empty(selection)) state.selection = null, redraw.call(that); + if (state.selection) selection$$1 = state.selection; // May be set by brush.move (on start)! + if (empty$1(selection$$1)) state.selection = null, redraw.call(that); emit.end(); } @@ -4822,10 +4855,10 @@ function constant$5(x) { }; } -var pi$2 = Math.PI; -var tau$2 = 2 * pi$2; -var epsilon$1 = 1e-6; -var tauEpsilon = tau$2 - epsilon$1; +var pi$2 = Math.PI, + tau$2 = 2 * pi$2, + epsilon$1 = 1e-6, + tauEpsilon = tau$2 - epsilon$1; function Path() { this._x0 = this._y0 = // start of current subpath @@ -5234,11 +5267,419 @@ function entries(map) { return entries; } -var EOL = {}; -var EOF = {}; -var QUOTE = 34; -var NEWLINE = 10; -var RETURN = 13; +var array$2 = Array.prototype; + +var slice$3 = array$2.slice; + +function ascending$2(a, b) { + return a - b; +} + +function area(ring) { + var i = 0, n = ring.length, area = ring[n - 1][1] * ring[0][0] - ring[n - 1][0] * ring[0][1]; + while (++i < n) area += ring[i - 1][1] * ring[i][0] - ring[i - 1][0] * ring[i][1]; + return area; +} + +function constant$6(x) { + return function() { + return x; + }; +} + +function contains(ring, hole) { + var i = -1, n = hole.length, c; + while (++i < n) if (c = ringContains(ring, hole[i])) return c; + return 0; +} + +function ringContains(ring, point) { + var x = point[0], y = point[1], contains = -1; + for (var i = 0, n = ring.length, j = n - 1; i < n; j = i++) { + var pi = ring[i], xi = pi[0], yi = pi[1], pj = ring[j], xj = pj[0], yj = pj[1]; + if (segmentContains(pi, pj, point)) return 0; + if (((yi > y) !== (yj > y)) && ((x < (xj - xi) * (y - yi) / (yj - yi) + xi))) contains = -contains; + } + return contains; +} + +function segmentContains(a, b, c) { + var i; return collinear(a, b, c) && within(a[i = +(a[0] === b[0])], c[i], b[i]); +} + +function collinear(a, b, c) { + return (b[0] - a[0]) * (c[1] - a[1]) === (c[0] - a[0]) * (b[1] - a[1]); +} + +function within(p, q, r) { + return p <= q && q <= r || r <= q && q <= p; +} + +function noop$1() {} + +var cases = [ + [], + [[[1.0, 1.5], [0.5, 1.0]]], + [[[1.5, 1.0], [1.0, 1.5]]], + [[[1.5, 1.0], [0.5, 1.0]]], + [[[1.0, 0.5], [1.5, 1.0]]], + [[[1.0, 1.5], [0.5, 1.0]], [[1.0, 0.5], [1.5, 1.0]]], + [[[1.0, 0.5], [1.0, 1.5]]], + [[[1.0, 0.5], [0.5, 1.0]]], + [[[0.5, 1.0], [1.0, 0.5]]], + [[[1.0, 1.5], [1.0, 0.5]]], + [[[0.5, 1.0], [1.0, 0.5]], [[1.5, 1.0], [1.0, 1.5]]], + [[[1.5, 1.0], [1.0, 0.5]]], + [[[0.5, 1.0], [1.5, 1.0]]], + [[[1.0, 1.5], [1.5, 1.0]]], + [[[0.5, 1.0], [1.0, 1.5]]], + [] +]; + +function contours() { + var dx = 1, + dy = 1, + threshold$$1 = thresholdSturges, + smooth = smoothLinear; + + function contours(values) { + var tz = threshold$$1(values); + + // Convert number of thresholds into uniform thresholds. + if (!Array.isArray(tz)) { + var domain = extent(values), start = domain[0], stop = domain[1]; + tz = tickStep(start, stop, tz); + tz = sequence(Math.floor(start / tz) * tz, Math.floor(stop / tz) * tz, tz); + } else { + tz = tz.slice().sort(ascending$2); + } + + return tz.map(function(value) { + return contour(values, value); + }); + } + + // Accumulate, smooth contour rings, assign holes to exterior rings. + // Based on https://github.com/mbostock/shapefile/blob/v0.6.2/shp/polygon.js + function contour(values, value) { + var polygons = [], + holes = []; + + isorings(values, value, function(ring) { + smooth(ring, values, value); + if (area(ring) > 0) polygons.push([ring]); + else holes.push(ring); + }); + + holes.forEach(function(hole) { + for (var i = 0, n = polygons.length, polygon; i < n; ++i) { + if (contains((polygon = polygons[i])[0], hole) !== -1) { + polygon.push(hole); + return; + } + } + }); + + return { + type: "MultiPolygon", + value: value, + coordinates: polygons + }; + } + + // Marching squares with isolines stitched into rings. + // Based on https://github.com/topojson/topojson-client/blob/v3.0.0/src/stitch.js + function isorings(values, value, callback) { + var fragmentByStart = new Array, + fragmentByEnd = new Array, + x, y, t0, t1, t2, t3; + + // Special case for the first row (y = -1, t2 = t3 = 0). + x = y = -1; + t1 = values[0] >= value; + cases[t1 << 1].forEach(stitch); + while (++x < dx - 1) { + t0 = t1, t1 = values[x + 1] >= value; + cases[t0 | t1 << 1].forEach(stitch); + } + cases[t1 << 0].forEach(stitch); + + // General case for the intermediate rows. + while (++y < dy - 1) { + x = -1; + t1 = values[y * dx + dx] >= value; + t2 = values[y * dx] >= value; + cases[t1 << 1 | t2 << 2].forEach(stitch); + while (++x < dx - 1) { + t0 = t1, t1 = values[y * dx + dx + x + 1] >= value; + t3 = t2, t2 = values[y * dx + x + 1] >= value; + cases[t0 | t1 << 1 | t2 << 2 | t3 << 3].forEach(stitch); + } + cases[t1 | t2 << 3].forEach(stitch); + } + + // Special case for the last row (y = dy - 1, t0 = t1 = 0). + x = -1; + t2 = values[y * dx] >= value; + cases[t2 << 2].forEach(stitch); + while (++x < dx - 1) { + t3 = t2, t2 = values[y * dx + x + 1] >= value; + cases[t2 << 2 | t3 << 3].forEach(stitch); + } + cases[t2 << 3].forEach(stitch); + + function stitch(line) { + var start = [line[0][0] + x, line[0][1] + y], + end = [line[1][0] + x, line[1][1] + y], + startIndex = index(start), + endIndex = index(end), + f, g; + if (f = fragmentByEnd[startIndex]) { + if (g = fragmentByStart[endIndex]) { + delete fragmentByEnd[f.end]; + delete fragmentByStart[g.start]; + if (f === g) { + f.ring.push(end); + callback(f.ring); + } else { + fragmentByStart[f.start] = fragmentByEnd[g.end] = {start: f.start, end: g.end, ring: f.ring.concat(g.ring)}; + } + } else { + delete fragmentByEnd[f.end]; + f.ring.push(end); + fragmentByEnd[f.end = endIndex] = f; + } + } else if (f = fragmentByStart[endIndex]) { + if (g = fragmentByEnd[startIndex]) { + delete fragmentByStart[f.start]; + delete fragmentByEnd[g.end]; + if (f === g) { + f.ring.push(end); + callback(f.ring); + } else { + fragmentByStart[g.start] = fragmentByEnd[f.end] = {start: g.start, end: f.end, ring: g.ring.concat(f.ring)}; + } + } else { + delete fragmentByStart[f.start]; + f.ring.unshift(start); + fragmentByStart[f.start = startIndex] = f; + } + } else { + fragmentByStart[startIndex] = fragmentByEnd[endIndex] = {start: startIndex, end: endIndex, ring: [start, end]}; + } + } + } + + function index(point) { + return point[0] * 2 + point[1] * (dx + 1) * 4; + } + + function smoothLinear(ring, values, value) { + ring.forEach(function(point) { + var x = point[0], + y = point[1], + xt = x | 0, + yt = y | 0, + v0, + v1 = values[yt * dx + xt]; + if (x > 0 && x < dx && xt === x) { + v0 = values[yt * dx + xt - 1]; + point[0] = x + (value - v0) / (v1 - v0) - 0.5; + } + if (y > 0 && y < dy && yt === y) { + v0 = values[(yt - 1) * dx + xt]; + point[1] = y + (value - v0) / (v1 - v0) - 0.5; + } + }); + } + + contours.contour = contour; + + contours.size = function(_) { + if (!arguments.length) return [dx, dy]; + var _0 = Math.ceil(_[0]), _1 = Math.ceil(_[1]); + if (!(_0 > 0) || !(_1 > 0)) throw new Error("invalid size"); + return dx = _0, dy = _1, contours; + }; + + contours.thresholds = function(_) { + return arguments.length ? (threshold$$1 = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), contours) : threshold$$1; + }; + + contours.smooth = function(_) { + return arguments.length ? (smooth = _ ? smoothLinear : noop$1, contours) : smooth === smoothLinear; + }; + + return contours; +} + +// TODO Optimize edge cases. +// TODO Optimize index calculation. +// TODO Optimize arguments. +function blurX(source, target, r) { + var n = source.width, + m = source.height, + w = (r << 1) + 1; + for (var j = 0; j < m; ++j) { + for (var i = 0, sr = 0; i < n + r; ++i) { + if (i < n) { + sr += source.data[i + j * n]; + } + if (i >= r) { + if (i >= w) { + sr -= source.data[i - w + j * n]; + } + target.data[i - r + j * n] = sr / Math.min(i + 1, n - 1 + w - i, w); + } + } + } +} + +// TODO Optimize edge cases. +// TODO Optimize index calculation. +// TODO Optimize arguments. +function blurY(source, target, r) { + var n = source.width, + m = source.height, + w = (r << 1) + 1; + for (var i = 0; i < n; ++i) { + for (var j = 0, sr = 0; j < m + r; ++j) { + if (j < m) { + sr += source.data[i + j * n]; + } + if (j >= r) { + if (j >= w) { + sr -= source.data[i + (j - w) * n]; + } + target.data[i + (j - r) * n] = sr / Math.min(j + 1, m - 1 + w - j, w); + } + } + } +} + +function defaultX(d) { + return d[0]; +} + +function defaultY(d) { + return d[1]; +} + +function density() { + var x = defaultX, + y = defaultY, + dx = 960, + dy = 500, + r = 20, // blur radius + k = 2, // log2(grid cell size) + o = r * 3, // grid offset, to pad for blur + n = (dx + o * 2) >> k, // grid width + m = (dy + o * 2) >> k, // grid height + threshold$$1 = constant$6(20); + + function density(data) { + var values0 = new Float32Array(n * m), + values1 = new Float32Array(n * m); + + data.forEach(function(d, i, data) { + var xi = (x(d, i, data) + o) >> k, + yi = (y(d, i, data) + o) >> k; + if (xi >= 0 && xi < n && yi >= 0 && yi < m) { + ++values0[xi + yi * n]; + } + }); + + // TODO Optimize. + blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); + blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); + blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); + blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); + blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); + blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); + + var tz = threshold$$1(values0); + + // Convert number of thresholds into uniform thresholds. + if (!Array.isArray(tz)) { + var stop = max(values0); + tz = tickStep(0, stop, tz); + tz = sequence(0, Math.floor(stop / tz) * tz, tz); + tz.shift(); + } + + return contours() + .thresholds(tz) + .size([n, m]) + (values0) + .map(transform); + } + + function transform(geometry) { + geometry.value *= Math.pow(2, -2 * k); // Density in points per square pixel. + geometry.coordinates.forEach(transformPolygon); + return geometry; + } + + function transformPolygon(coordinates) { + coordinates.forEach(transformRing); + } + + function transformRing(coordinates) { + coordinates.forEach(transformPoint); + } + + // TODO Optimize. + function transformPoint(coordinates) { + coordinates[0] = coordinates[0] * Math.pow(2, k) - o; + coordinates[1] = coordinates[1] * Math.pow(2, k) - o; + } + + function resize() { + o = r * 3; + n = (dx + o * 2) >> k; + m = (dy + o * 2) >> k; + return density; + } + + density.x = function(_) { + return arguments.length ? (x = typeof _ === "function" ? _ : constant$6(+_), density) : x; + }; + + density.y = function(_) { + return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), density) : y; + }; + + density.size = function(_) { + if (!arguments.length) return [dx, dy]; + var _0 = Math.ceil(_[0]), _1 = Math.ceil(_[1]); + if (!(_0 >= 0) && !(_0 >= 0)) throw new Error("invalid size"); + return dx = _0, dy = _1, resize(); + }; + + density.cellSize = function(_) { + if (!arguments.length) return 1 << k; + if (!((_ = +_) >= 1)) throw new Error("invalid cell size"); + return k = Math.floor(Math.log(_) / Math.LN2), resize(); + }; + + density.thresholds = function(_) { + return arguments.length ? (threshold$$1 = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), density) : threshold$$1; + }; + + density.bandwidth = function(_) { + if (!arguments.length) return Math.sqrt(r * (r + 1)); + if (!((_ = +_) >= 0)) throw new Error("invalid bandwidth"); + return r = Math.round((Math.sqrt(4 * _ * _ + 1) - 1) / 2), resize(); + }; + + return density; +} + +var EOL = {}, + EOF = {}, + QUOTE = 34, + NEWLINE = 10, + RETURN = 13; function objectConverter(columns) { return new Function("d", "return {" + columns.map(function(name, i) { @@ -5269,7 +5710,7 @@ function inferColumns(rows) { return columns; } -function dsv(delimiter) { +function dsvFormat(delimiter) { var reFormat = new RegExp("[\"" + delimiter + "\n\r]"), DELIMITER = delimiter.charCodeAt(0); @@ -5362,20 +5803,100 @@ function dsv(delimiter) { }; } -var csv = dsv(","); +var csv = dsvFormat(","); var csvParse = csv.parse; var csvParseRows = csv.parseRows; var csvFormat = csv.format; var csvFormatRows = csv.formatRows; -var tsv = dsv("\t"); +var tsv = dsvFormat("\t"); var tsvParse = tsv.parse; var tsvParseRows = tsv.parseRows; var tsvFormat = tsv.format; var tsvFormatRows = tsv.formatRows; +function responseBlob(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + return response.blob(); +} + +function blob(input, init) { + return fetch(input, init).then(responseBlob); +} + +function responseArrayBuffer(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + return response.arrayBuffer(); +} + +function buffer(input, init) { + return fetch(input, init).then(responseArrayBuffer); +} + +function responseText(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + return response.text(); +} + +function text(input, init) { + return fetch(input, init).then(responseText); +} + +function dsvParse(parse) { + return function(input, init, row) { + if (arguments.length === 2 && typeof init === "function") row = init, init = undefined; + return text(input, init).then(function(response) { + return parse(response, row); + }); + }; +} + +function dsv(delimiter, input, init, row) { + if (arguments.length === 3 && typeof init === "function") row = init, init = undefined; + var format = dsvFormat(delimiter); + return text(input, init).then(function(response) { + return format.parse(response, row); + }); +} + +var csv$1 = dsvParse(csvParse); +var tsv$1 = dsvParse(tsvParse); + +function image(input, init) { + return new Promise(function(resolve, reject) { + var image = new Image; + for (var key in init) image[key] = init[key]; + image.onerror = reject; + image.onload = function() { resolve(image); }; + image.src = input; + }); +} + +function responseJson(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + return response.json(); +} + +function json(input, init) { + return fetch(input, init).then(responseJson); +} + +function parser(type) { + return function(input, init) { + return text(input, init).then(function(text$$1) { + return (new DOMParser).parseFromString(text$$1, type); + }); + }; +} + +var xml = parser("application/xml"); + +var html = parser("text/html"); + +var svg = parser("image/svg+xml"); + function center$1(x, y) { var nodes; @@ -5413,7 +5934,7 @@ function center$1(x, y) { return force; } -function constant$6(x) { +function constant$7(x) { return function() { return x; }; @@ -5769,7 +6290,7 @@ function tree_visitAfter(callback) { return this; } -function defaultX(d) { +function defaultX$1(d) { return d[0]; } @@ -5777,7 +6298,7 @@ function tree_x(_) { return arguments.length ? (this._x = _, this) : this._x; } -function defaultY(d) { +function defaultY$1(d) { return d[1]; } @@ -5786,7 +6307,7 @@ function tree_y(_) { } function quadtree(nodes, x, y) { - var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); + var tree = new Quadtree(x == null ? defaultX$1 : x, y == null ? defaultY$1 : y, NaN, NaN, NaN, NaN); return nodes == null ? tree : tree.addAll(nodes); } @@ -5860,7 +6381,7 @@ function collide(radius) { strength = 1, iterations = 1; - if (typeof radius !== "function") radius = constant$6(radius == null ? 1 : +radius); + if (typeof radius !== "function") radius = constant$7(radius == null ? 1 : +radius); function force() { var i, n = nodes.length, @@ -5935,7 +6456,7 @@ function collide(radius) { }; force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : radius; + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : radius; }; return force; @@ -5955,7 +6476,7 @@ function link(links) { var id = index, strength = defaultStrength, strengths, - distance = constant$6(30), + distance = constant$7(30), distances, nodes, count, @@ -6044,11 +6565,11 @@ function link(links) { }; force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initializeStrength(), force) : strength; + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initializeStrength(), force) : strength; }; force.distance = function(_) { - return arguments.length ? (distance = typeof _ === "function" ? _ : constant$6(+_), initializeDistance(), force) : distance; + return arguments.length ? (distance = typeof _ === "function" ? _ : constant$7(+_), initializeDistance(), force) : distance; }; return force; @@ -6062,8 +6583,8 @@ function y$1(d) { return d.y; } -var initialRadius = 10; -var initialAngle = Math.PI * (3 - Math.sqrt(5)); +var initialRadius = 10, + initialAngle = Math.PI * (3 - Math.sqrt(5)); function simulation(nodes) { var simulation, @@ -6198,7 +6719,7 @@ function manyBody() { var nodes, node, alpha, - strength = constant$6(-30), + strength = constant$7(-30), strengths, distanceMin2 = 1, distanceMax2 = Infinity, @@ -6286,7 +6807,7 @@ function manyBody() { }; force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; }; force.distanceMin = function(_) { @@ -6306,11 +6827,11 @@ function manyBody() { function radial(radius, x, y) { var nodes, - strength = constant$6(0.1), + strength = constant$7(0.1), strengths, radiuses; - if (typeof radius !== "function") radius = constant$6(+radius); + if (typeof radius !== "function") radius = constant$7(+radius); if (x == null) x = 0; if (y == null) y = 0; @@ -6342,11 +6863,11 @@ function radial(radius, x, y) { }; force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; }; force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : radius; + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : radius; }; force.x = function(_) { @@ -6361,12 +6882,12 @@ function radial(radius, x, y) { } function x$2(x) { - var strength = constant$6(0.1), + var strength = constant$7(0.1), nodes, strengths, xz; - if (typeof x !== "function") x = constant$6(x == null ? 0 : +x); + if (typeof x !== "function") x = constant$7(x == null ? 0 : +x); function force(alpha) { for (var i = 0, n = nodes.length, node; i < n; ++i) { @@ -6390,23 +6911,23 @@ function x$2(x) { }; force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; }; force.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : x; + return arguments.length ? (x = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : x; }; return force; } function y$2(y) { - var strength = constant$6(0.1), + var strength = constant$7(0.1), nodes, strengths, yz; - if (typeof y !== "function") y = constant$6(y == null ? 0 : +y); + if (typeof y !== "function") y = constant$7(y == null ? 0 : +y); function force(alpha) { for (var i = 0, n = nodes.length, node; i < n; ++i) { @@ -6430,11 +6951,11 @@ function y$2(y) { }; force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; }; force.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : y; + return arguments.length ? (y = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : y; }; return force; @@ -6486,19 +7007,53 @@ function formatNumerals(numerals) { }; } -function formatDefault(x, p) { - x = x.toPrecision(p); +// [[fill]align][sign][symbol][0][width][,][.precision][~][type] +var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i; + +function formatSpecifier(specifier) { + return new FormatSpecifier(specifier); +} + +formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof + +function FormatSpecifier(specifier) { + if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); + var match; + this.fill = match[1] || " "; + this.align = match[2] || ">"; + this.sign = match[3] || "-"; + this.symbol = match[4] || ""; + this.zero = !!match[5]; + this.width = match[6] && +match[6]; + this.comma = !!match[7]; + this.precision = match[8] && +match[8].slice(1); + this.trim = !!match[9]; + this.type = match[10] || ""; +} + +FormatSpecifier.prototype.toString = function() { + return this.fill + + this.align + + this.sign + + this.symbol + + (this.zero ? "0" : "") + + (this.width == null ? "" : Math.max(1, this.width | 0)) + + (this.comma ? "," : "") + + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0)) + + (this.trim ? "~" : "") + + this.type; +}; - out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) { - switch (x[i]) { +// Trims insignificant zeros, e.g., replaces 1.2000k with 1.2k. +function formatTrim(s) { + out: for (var n = s.length, i = 1, i0 = -1, i1; i < n; ++i) { + switch (s[i]) { case ".": i0 = i1 = i; break; case "0": if (i0 === 0) i0 = i; i1 = i; break; - case "e": break out; - default: if (i0 > 0) i0 = 0; break; + default: if (i0 > 0) { if (!+s[i]) break out; i0 = 0; } break; } } - - return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x; + return i0 > 0 ? s.slice(0, i0) + s.slice(i1 + 1) : s; } var prefixExponent; @@ -6527,7 +7082,6 @@ function formatRounded(x, p) { } var formatTypes = { - "": formatDefault, "%": function(x, p) { return (x * 100).toFixed(p); }, "b": function(x) { return Math.round(x).toString(2); }, "c": function(x) { return x + ""; }, @@ -6543,61 +7097,6 @@ var formatTypes = { "x": function(x) { return Math.round(x).toString(16); } }; -// [[fill]align][sign][symbol][0][width][,][.precision][type] -var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i; - -function formatSpecifier(specifier) { - return new FormatSpecifier(specifier); -} - -formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof - -function FormatSpecifier(specifier) { - if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); - - var match, - fill = match[1] || " ", - align = match[2] || ">", - sign = match[3] || "-", - symbol = match[4] || "", - zero = !!match[5], - width = match[6] && +match[6], - comma = !!match[7], - precision = match[8] && +match[8].slice(1), - type = match[9] || ""; - - // The "n" type is an alias for ",g". - if (type === "n") comma = true, type = "g"; - - // Map invalid types to the default format. - else if (!formatTypes[type]) type = ""; - - // If zero fill is specified, padding goes after sign and before digits. - if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; - - this.fill = fill; - this.align = align; - this.sign = sign; - this.symbol = symbol; - this.zero = zero; - this.width = width; - this.comma = comma; - this.precision = precision; - this.type = type; -} - -FormatSpecifier.prototype.toString = function() { - return this.fill - + this.align - + this.sign - + this.symbol - + (this.zero ? "0" : "") - + (this.width == null ? "" : Math.max(1, this.width | 0)) - + (this.comma ? "," : "") - + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0)) - + this.type; -}; - function identity$3(x) { return x; } @@ -6622,8 +7121,18 @@ function formatLocale(locale) { width = specifier.width, comma = specifier.comma, precision = specifier.precision, + trim = specifier.trim, type = specifier.type; + // The "n" type is an alias for ",g". + if (type === "n") comma = true, type = "g"; + + // The "" type, and any invalid type, is an alias for ".12~g". + else if (!formatTypes[type]) precision == null && (precision = 12), trim = true, type = "g"; + + // If zero fill is specified, padding goes after sign and before digits. + if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; + // Compute the prefix and suffix. // For SI-prefix, the suffix is lazily computed. var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", @@ -6633,13 +7142,13 @@ function formatLocale(locale) { // Is this an integer type? // Can this type generate exponential notation? var formatType = formatTypes[type], - maybeSuffix = !type || /[defgprs%]/.test(type); + maybeSuffix = /[defgprs%]/.test(type); // Set the default precision if not specified, // or clamp the specified precision to the supported range. // For significant precision, it must be in [1, 21]. // For fixed precision, it must be in [0, 20]. - precision = precision == null ? (type ? 6 : 12) + precision = precision == null ? 6 : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) : Math.max(0, Math.min(20, precision)); @@ -6658,6 +7167,9 @@ function formatLocale(locale) { var valueNegative = value < 0; value = formatType(Math.abs(value), precision); + // Trim insignificant zeros. + if (trim) value = formatTrim(value); + // If a negative value rounds to zero during formatting, treat as positive. if (valueNegative && +value === 0) valueNegative = false; @@ -6725,8 +7237,6 @@ function formatLocale(locale) { var locale; - - defaultLocale({ decimal: ".", thousands: ",", @@ -6811,7 +7321,6 @@ var atan2 = Math.atan2; var cos$1 = Math.cos; var ceil = Math.ceil; var exp = Math.exp; - var log = Math.log; var pow = Math.pow; var sin$1 = Math.sin; @@ -6831,7 +7340,7 @@ function haversin(x) { return (x = sin$1(x / 2)) * x; } -function noop$1() {} +function noop$2() {} function streamGeometry(geometry, stream) { if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { @@ -6905,17 +7414,17 @@ function geoStream(object, stream) { var areaRingSum = adder(); -var areaSum = adder(); -var lambda00; -var phi00; -var lambda0; -var cosPhi0; -var sinPhi0; +var areaSum = adder(), + lambda00, + phi00, + lambda0, + cosPhi0, + sinPhi0; var areaStream = { - point: noop$1, - lineStart: noop$1, - lineEnd: noop$1, + point: noop$2, + lineStart: noop$2, + lineEnd: noop$2, polygonStart: function() { areaRingSum.reset(); areaStream.lineStart = areaRingStart; @@ -6924,7 +7433,7 @@ var areaStream = { polygonEnd: function() { var areaRing = +areaRingSum; areaSum.add(areaRing < 0 ? tau$3 + areaRing : areaRing); - this.lineStart = this.lineEnd = this.point = noop$1; + this.lineStart = this.lineEnd = this.point = noop$2; }, sphere: function() { areaSum.add(tau$3); @@ -6967,7 +7476,7 @@ function areaPoint(lambda, phi) { lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; } -function area(object) { +function area$1(object) { areaSum.reset(); geoStream(object, areaStream); return areaSum * 2; @@ -7005,17 +7514,13 @@ function cartesianNormalizeInPlace(d) { d[0] /= l, d[1] /= l, d[2] /= l; } -var lambda0$1; -var phi0; -var lambda1; -var phi1; -var lambda2; -var lambda00$1; -var phi00$1; -var p0; -var deltaSum = adder(); -var ranges; -var range; +var lambda0$1, phi0, lambda1, phi1, // bounds + lambda2, // previous lambda-coordinate + lambda00$1, phi00$1, // first point + p0, // previous 3D point + deltaSum = adder(), + ranges, + range; var boundsStream = { point: boundsPoint, @@ -7180,25 +7685,15 @@ function bounds(feature) { : [[lambda0$1, phi0], [lambda1, phi1]]; } -var W0; -var W1; -var X0; -var Y0; -var Z0; -var X1; -var Y1; -var Z1; -var X2; -var Y2; -var Z2; -var lambda00$2; -var phi00$2; -var x0; -var y0; -var z0; // previous point +var W0, W1, + X0, Y0, Z0, + X1, Y1, Z1, + X2, Y2, Z2, + lambda00$2, phi00$2, // first point + x0, y0, z0; // previous point var centroidStream = { - sphere: noop$1, + sphere: noop$2, point: centroidPoint, lineStart: centroidLineStart, lineEnd: centroidLineEnd, @@ -7327,7 +7822,7 @@ function centroid(object) { return [atan2(y, x) * degrees$1, asin(z / sqrt(m)) * degrees$1]; } -function constant$7(x) { +function constant$8(x) { return function() { return x; }; @@ -7449,9 +7944,9 @@ function circleRadius(cosRadius, point) { } function circle() { - var center = constant$7([0, 0]), - radius = constant$7(90), - precision = constant$7(6), + var center = constant$8([0, 0]), + radius = constant$8(90), + precision = constant$8(6), ring, rotate, stream = {point: point}; @@ -7474,15 +7969,15 @@ function circle() { } circle.center = function(_) { - return arguments.length ? (center = typeof _ === "function" ? _ : constant$7([+_[0], +_[1]]), circle) : center; + return arguments.length ? (center = typeof _ === "function" ? _ : constant$8([+_[0], +_[1]]), circle) : center; }; circle.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), circle) : radius; + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$8(+_), circle) : radius; }; circle.precision = function(_) { - return arguments.length ? (precision = typeof _ === "function" ? _ : constant$7(+_), circle) : precision; + return arguments.length ? (precision = typeof _ === "function" ? _ : constant$8(+_), circle) : precision; }; return circle; @@ -7498,7 +7993,7 @@ function clipBuffer() { lineStart: function() { lines.push(line = []); }, - lineEnd: noop$1, + lineEnd: noop$2, rejoin: function() { if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); }, @@ -7620,12 +8115,16 @@ var sum$1 = adder(); function polygonContains(polygon, point) { var lambda = point[0], phi = point[1], + sinPhi = sin$1(phi), normal = [sin$1(lambda), -cos$1(lambda), 0], angle = 0, winding = 0; sum$1.reset(); + if (sinPhi === 1) phi = halfPi$2 + epsilon$2; + else if (sinPhi === -1) phi = -halfPi$2 - epsilon$2; + for (var i = 0, n = polygon.length; i < n; ++i) { if (!(m = (ring = polygon[i]).length)) continue; var ring, @@ -8133,8 +8632,7 @@ function clipLine(a, b, x0, y0, x1, y1) { return true; } -var clipMax = 1e9; -var clipMin = -clipMax; +var clipMax = 1e9, clipMin = -clipMax; // TODO Use d3-polygon’s polygonContains here for the ring check? // TODO Eliminate duplicate buffering in clipBuffer and polygon.push? @@ -8316,18 +8814,18 @@ function extent$1() { }; } -var lengthSum = adder(); -var lambda0$2; -var sinPhi0$1; -var cosPhi0$1; +var lengthSum = adder(), + lambda0$2, + sinPhi0$1, + cosPhi0$1; var lengthStream = { - sphere: noop$1, - point: noop$1, + sphere: noop$2, + point: noop$2, lineStart: lengthLineStart, - lineEnd: noop$1, - polygonStart: noop$1, - polygonEnd: noop$1 + lineEnd: noop$2, + polygonStart: noop$2, + polygonEnd: noop$2 }; function lengthLineStart() { @@ -8336,7 +8834,7 @@ function lengthLineStart() { } function lengthLineEnd() { - lengthStream.point = lengthStream.lineEnd = noop$1; + lengthStream.point = lengthStream.lineEnd = noop$2; } function lengthPointFirst(lambda, phi) { @@ -8365,8 +8863,8 @@ function length$1(object) { return +lengthSum; } -var coordinates = [null, null]; -var object$1 = {type: "LineString", coordinates: coordinates}; +var coordinates = [null, null], + object$1 = {type: "LineString", coordinates: coordinates}; function distance(a, b) { coordinates[0] = a; @@ -8449,7 +8947,7 @@ function pointRadians(point) { return [point[0] * radians, point[1] * radians]; } -function contains(object, point) { +function contains$1(object, point) { return (object && containsObjectType.hasOwnProperty(object.type) ? containsObjectType[object.type] : containsGeometry)(object, point); @@ -8597,23 +9095,23 @@ function identity$4(x) { return x; } -var areaSum$1 = adder(); -var areaRingSum$1 = adder(); -var x00; -var y00; -var x0$1; -var y0$1; +var areaSum$1 = adder(), + areaRingSum$1 = adder(), + x00, + y00, + x0$1, + y0$1; var areaStream$1 = { - point: noop$1, - lineStart: noop$1, - lineEnd: noop$1, + point: noop$2, + lineStart: noop$2, + lineEnd: noop$2, polygonStart: function() { areaStream$1.lineStart = areaRingStart$1; areaStream$1.lineEnd = areaRingEnd$1; }, polygonEnd: function() { - areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$1; + areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$2; areaSum$1.add(abs(areaRingSum$1)); areaRingSum$1.reset(); }, @@ -8642,17 +9140,17 @@ function areaRingEnd$1() { areaPoint$1(x00, y00); } -var x0$2 = Infinity; -var y0$2 = x0$2; -var x1 = -x0$2; -var y1 = x1; +var x0$2 = Infinity, + y0$2 = x0$2, + x1 = -x0$2, + y1 = x1; var boundsStream$1 = { point: boundsPoint$1, - lineStart: noop$1, - lineEnd: noop$1, - polygonStart: noop$1, - polygonEnd: noop$1, + lineStart: noop$2, + lineEnd: noop$2, + polygonStart: noop$2, + polygonEnd: noop$2, result: function() { var bounds = [[x0$2, y0$2], [x1, y1]]; x1 = y1 = -(y0$2 = x0$2 = Infinity); @@ -8669,19 +9167,19 @@ function boundsPoint$1(x, y) { // TODO Enforce positive area for exterior, negative area for interior? -var X0$1 = 0; -var Y0$1 = 0; -var Z0$1 = 0; -var X1$1 = 0; -var Y1$1 = 0; -var Z1$1 = 0; -var X2$1 = 0; -var Y2$1 = 0; -var Z2$1 = 0; -var x00$1; -var y00$1; -var x0$3; -var y0$3; +var X0$1 = 0, + Y0$1 = 0, + Z0$1 = 0, + X1$1 = 0, + Y1$1 = 0, + Z1$1 = 0, + X2$1 = 0, + Y2$1 = 0, + Z2$1 = 0, + x00$1, + y00$1, + x0$3, + y0$3; var centroidStream$1 = { point: centroidPoint$1, @@ -8804,24 +9302,24 @@ PathContext.prototype = { } } }, - result: noop$1 + result: noop$2 }; -var lengthSum$1 = adder(); -var lengthRing; -var x00$2; -var y00$2; -var x0$4; -var y0$4; +var lengthSum$1 = adder(), + lengthRing, + x00$2, + y00$2, + x0$4, + y0$4; var lengthStream$1 = { - point: noop$1, + point: noop$2, lineStart: function() { lengthStream$1.point = lengthPointFirst$1; }, lineEnd: function() { if (lengthRing) lengthPoint$1(x00$2, y00$2); - lengthStream$1.point = noop$1; + lengthStream$1.point = noop$2; }, polygonStart: function() { lengthRing = true; @@ -9032,8 +9530,8 @@ function fitHeight(projection, height, object) { }, object); } -var maxDepth = 16; -var cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) +var maxDepth = 16, // maximum depth of subdivision + cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) function resample(project, delta2) { return +delta2 ? resample$1(project, delta2) : resampleNone(project); @@ -9146,6 +9644,34 @@ function transformRotate(rotate) { }); } +function scaleTranslate(k, dx, dy) { + function transform$$1(x, y) { + return [dx + k * x, dy - k * y]; + } + transform$$1.invert = function(x, y) { + return [(x - dx) / k, (dy - y) / k]; + }; + return transform$$1; +} + +function scaleTranslateRotate(k, dx, dy, alpha) { + var cosAlpha = cos$1(alpha), + sinAlpha = sin$1(alpha), + a = cosAlpha * k, + b = sinAlpha * k, + ai = cosAlpha / k, + bi = sinAlpha / k, + ci = (sinAlpha * dy - cosAlpha * dx) / k, + fi = (sinAlpha * dx + cosAlpha * dy) / k; + function transform$$1(x, y) { + return [a * x - b * y + dx, dy - b * x - a * y]; + } + transform$$1.invert = function(x, y) { + return [ai * x - bi * y + ci, fi - bi * x - ai * y]; + }; + return transform$$1; +} + function projection(project) { return projectionMutator(function() { return project; })(); } @@ -9154,28 +9680,27 @@ function projectionMutator(projectAt) { var project, k = 150, // scale x = 480, y = 250, // translate - dx, dy, lambda = 0, phi = 0, // center - deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, projectRotate, // rotate - theta = null, preclip = clipAntimeridian, // clip angle - x0 = null, y0, x1, y1, postclip = identity$4, // clip extent - delta2 = 0.5, projectResample = resample(projectTransform, delta2), // precision + lambda = 0, phi = 0, // center + deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, // pre-rotate + alpha = 0, // post-rotate + theta = null, preclip = clipAntimeridian, // pre-clip angle + x0 = null, y0, x1, y1, postclip = identity$4, // post-clip extent + delta2 = 0.5, // precision + projectResample, + projectTransform, + projectRotateTransform, cache, cacheStream; function projection(point) { - point = projectRotate(point[0] * radians, point[1] * radians); - return [point[0] * k + dx, dy - point[1] * k]; + return projectRotateTransform(point[0] * radians, point[1] * radians); } function invert(point) { - point = projectRotate.invert((point[0] - dx) / k, (dy - point[1]) / k); + point = projectRotateTransform.invert(point[0], point[1]); return point && [point[0] * degrees$1, point[1] * degrees$1]; } - function projectTransform(x, y) { - return x = project(x, y), [x[0] * k + dx, dy - x[1] * k]; - } - projection.stream = function(stream) { return cache && cacheStream === stream ? cache : cache = transformRadians(transformRotate(rotate)(preclip(projectResample(postclip(cacheStream = stream))))); }; @@ -9212,6 +9737,10 @@ function projectionMutator(projectAt) { return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees$1, deltaPhi * degrees$1, deltaGamma * degrees$1]; }; + projection.angle = function(_) { + return arguments.length ? (alpha = _ % 360 * radians, recenter()) : alpha * degrees$1; + }; + projection.precision = function(_) { return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt(delta2); }; @@ -9233,10 +9762,12 @@ function projectionMutator(projectAt) { }; function recenter() { - projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); - var center = project(lambda, phi); - dx = x - center[0] * k; - dy = y + center[1] * k; + var center = scaleTranslateRotate(k, 0, 0, alpha).apply(null, project(lambda, phi)), + transform$$1 = (alpha ? scaleTranslateRotate : scaleTranslate)(k, x - center[0], y - center[1], alpha); + rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma); + projectTransform = compose(project, transform$$1); + projectRotateTransform = compose(rotate, projectTransform); + projectResample = resample(projectTransform, delta2); return reset(); } @@ -9605,7 +10136,7 @@ function gnomonic() { .clipAngle(60); } -function scaleTranslate(kx, ky, tx, ty) { +function scaleTranslate$1(kx, ky, tx, ty) { return kx === 1 && ky === 1 && tx === 0 && ty === 0 ? identity$4 : transformer({ point: function(x, y) { this.stream.point(x * kx + tx, y * ky + ty); @@ -9637,16 +10168,16 @@ function identity$5() { return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; }, scale: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate((k = +_) * sx, k * sy, tx, ty), reset()) : k; + return arguments.length ? (transform$$1 = scaleTranslate$1((k = +_) * sx, k * sy, tx, ty), reset()) : k; }, translate: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; + return arguments.length ? (transform$$1 = scaleTranslate$1(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; }, reflectX: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0; + return arguments.length ? (transform$$1 = scaleTranslate$1(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0; }, reflectY: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate(k * sx, k * (sy = _ ? -1 : 1), tx, ty), reset()) : sy < 0; + return arguments.length ? (transform$$1 = scaleTranslate$1(k * sx, k * (sy = _ ? -1 : 1), tx, ty), reset()) : sy < 0; }, fitExtent: function(extent, object) { return fitExtent(projection, extent, object); @@ -10031,7 +10562,7 @@ Node.prototype = hierarchy.prototype = { copy: node_copy }; -var slice$3 = Array.prototype.slice; +var slice$4 = Array.prototype.slice; function shuffle$1(array) { var m = array.length, @@ -10049,7 +10580,7 @@ function shuffle$1(array) { } function enclose(circles) { - var i = 0, n = (circles = shuffle$1(slice$3.call(circles))).length, B = [], p, e; + var i = 0, n = (circles = shuffle$1(slice$4.call(circles))).length, B = [], p, e; while (i < n) { p = circles[i]; @@ -10165,30 +10696,33 @@ function encloseBasis3(a, b, c) { }; } -function place(a, b, c) { - var ax = a.x, - ay = a.y, - da = b.r + c.r, - db = a.r + c.r, - dx = b.x - ax, - dy = b.y - ay, - dc = dx * dx + dy * dy; - if (dc) { - var x = 0.5 + ((db *= db) - (da *= da)) / (2 * dc), - y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); - c.x = ax + x * dx + y * dy; - c.y = ay + x * dy - y * dx; +function place(b, a, c) { + var dx = b.x - a.x, x, a2, + dy = b.y - a.y, y, b2, + d2 = dx * dx + dy * dy; + if (d2) { + a2 = a.r + c.r, a2 *= a2; + b2 = b.r + c.r, b2 *= b2; + if (a2 > b2) { + x = (d2 + b2 - a2) / (2 * d2); + y = Math.sqrt(Math.max(0, b2 / d2 - x * x)); + c.x = b.x - x * dx - y * dy; + c.y = b.y - x * dy + y * dx; + } else { + x = (d2 + a2 - b2) / (2 * d2); + y = Math.sqrt(Math.max(0, a2 / d2 - x * x)); + c.x = a.x + x * dx - y * dy; + c.y = a.y + x * dy + y * dx; + } } else { - c.x = ax + db; - c.y = ay; + c.x = a.x + c.r; + c.y = a.y; } } function intersects(a, b) { - var dx = b.x - a.x, - dy = b.y - a.y, - dr = a.r + b.r; - return dr * dr - 1e-6 > dx * dx + dy * dy; + var dr = a.r + b.r - 1e-6, dx = b.x - a.x, dy = b.y - a.y; + return dr > 0 && dr * dr > dx * dx + dy * dy; } function score(node) { @@ -10292,7 +10826,7 @@ function constantZero() { return 0; } -function constant$8(x) { +function constant$9(x) { return function() { return x; }; @@ -10332,7 +10866,7 @@ function index$2() { }; pack.padding = function(x) { - return arguments.length ? (padding = typeof x === "function" ? x : constant$8(+x), pack) : padding; + return arguments.length ? (padding = typeof x === "function" ? x : constant$9(+x), pack) : padding; }; return pack; @@ -10444,9 +10978,9 @@ function partition() { return partition; } -var keyPrefix$1 = "$"; -var preroot = {depth: -1}; -var ambiguous = {}; +var keyPrefix$1 = "$", // Protect against keys like “__proto__”. + preroot = {depth: -1}, + ambiguous = {}; function defaultId(d) { return d.id; @@ -10892,7 +11426,7 @@ function index$3() { }; treemap.paddingInner = function(x) { - return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$8(+x), treemap) : paddingInner; + return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$9(+x), treemap) : paddingInner; }; treemap.paddingOuter = function(x) { @@ -10900,19 +11434,19 @@ function index$3() { }; treemap.paddingTop = function(x) { - return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$8(+x), treemap) : paddingTop; + return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$9(+x), treemap) : paddingTop; }; treemap.paddingRight = function(x) { - return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$8(+x), treemap) : paddingRight; + return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$9(+x), treemap) : paddingRight; }; treemap.paddingBottom = function(x) { - return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$8(+x), treemap) : paddingBottom; + return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$9(+x), treemap) : paddingBottom; }; treemap.paddingLeft = function(x) { - return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$8(+x), treemap) : paddingLeft; + return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$9(+x), treemap) : paddingLeft; }; return treemap; @@ -11002,7 +11536,7 @@ var resquarify = (function custom(ratio) { return resquarify; })(phi); -function area$1(polygon) { +function area$2(polygon) { var i = -1, n = polygon.length, a, @@ -11095,7 +11629,7 @@ function hull(points) { return hull; } -function contains$1(polygon, point) { +function contains$2(polygon, point) { var n = polygon.length, p = polygon[n - 1], x = point[0], y = point[1], @@ -11136,128 +11670,6 @@ function length$2(polygon) { return perimeter; } -var slice$4 = [].slice; - -var noabort = {}; - -function Queue(size) { - this._size = size; - this._call = - this._error = null; - this._tasks = []; - this._data = []; - this._waiting = - this._active = - this._ended = - this._start = 0; // inside a synchronous task callback? -} - -Queue.prototype = queue.prototype = { - constructor: Queue, - defer: function(callback) { - if (typeof callback !== "function") throw new Error("invalid callback"); - if (this._call) throw new Error("defer after await"); - if (this._error != null) return this; - var t = slice$4.call(arguments, 1); - t.push(callback); - ++this._waiting, this._tasks.push(t); - poke$1(this); - return this; - }, - abort: function() { - if (this._error == null) abort(this, new Error("abort")); - return this; - }, - await: function(callback) { - if (typeof callback !== "function") throw new Error("invalid callback"); - if (this._call) throw new Error("multiple await"); - this._call = function(error, results) { callback.apply(null, [error].concat(results)); }; - maybeNotify(this); - return this; - }, - awaitAll: function(callback) { - if (typeof callback !== "function") throw new Error("invalid callback"); - if (this._call) throw new Error("multiple await"); - this._call = callback; - maybeNotify(this); - return this; - } -}; - -function poke$1(q) { - if (!q._start) { - try { start$1(q); } // let the current task complete - catch (e) { - if (q._tasks[q._ended + q._active - 1]) abort(q, e); // task errored synchronously - else if (!q._data) throw e; // await callback errored synchronously - } - } -} - -function start$1(q) { - while (q._start = q._waiting && q._active < q._size) { - var i = q._ended + q._active, - t = q._tasks[i], - j = t.length - 1, - c = t[j]; - t[j] = end(q, i); - --q._waiting, ++q._active; - t = c.apply(null, t); - if (!q._tasks[i]) continue; // task finished synchronously - q._tasks[i] = t || noabort; - } -} - -function end(q, i) { - return function(e, r) { - if (!q._tasks[i]) return; // ignore multiple callbacks - --q._active, ++q._ended; - q._tasks[i] = null; - if (q._error != null) return; // ignore secondary errors - if (e != null) { - abort(q, e); - } else { - q._data[i] = r; - if (q._waiting) poke$1(q); - else maybeNotify(q); - } - }; -} - -function abort(q, e) { - var i = q._tasks.length, t; - q._error = e; // ignore active callbacks - q._data = undefined; // allow gc - q._waiting = NaN; // prevent starting - - while (--i >= 0) { - if (t = q._tasks[i]) { - q._tasks[i] = null; - if (t.abort) { - try { t.abort(); } - catch (e) { /* ignore */ } - } - } - } - - q._active = NaN; // allow notification - maybeNotify(q); -} - -function maybeNotify(q) { - if (!q._active && q._call) { - var d = q._data; - q._data = undefined; // allow gc - q._call(q._error, d); - } -} - -function queue(concurrency) { - if (concurrency == null) concurrency = Infinity; - else if (!((concurrency = +concurrency) >= 1)) throw new Error("invalid concurrency"); - return new Queue(concurrency); -} - function defaultSource$1() { return Math.random(); } @@ -11356,208 +11768,10 @@ var exponential$1 = (function sourceRandomExponential(source) { return randomExponential; })(defaultSource$1); -function request(url, callback) { - var request, - event = dispatch("beforesend", "progress", "load", "error"), - mimeType, - headers = map$1(), - xhr = new XMLHttpRequest, - user = null, - password = null, - response, - responseType, - timeout = 0; - - // If IE does not support CORS, use XDomainRequest. - if (typeof XDomainRequest !== "undefined" - && !("withCredentials" in xhr) - && /^(http(s)?:)?\/\//.test(url)) xhr = new XDomainRequest; - - "onload" in xhr - ? xhr.onload = xhr.onerror = xhr.ontimeout = respond - : xhr.onreadystatechange = function(o) { xhr.readyState > 3 && respond(o); }; - - function respond(o) { - var status = xhr.status, result; - if (!status && hasResponse(xhr) - || status >= 200 && status < 300 - || status === 304) { - if (response) { - try { - result = response.call(request, xhr); - } catch (e) { - event.call("error", request, e); - return; - } - } else { - result = xhr; - } - event.call("load", request, result); - } else { - event.call("error", request, o); - } - } - - xhr.onprogress = function(e) { - event.call("progress", request, e); - }; - - request = { - header: function(name, value) { - name = (name + "").toLowerCase(); - if (arguments.length < 2) return headers.get(name); - if (value == null) headers.remove(name); - else headers.set(name, value + ""); - return request; - }, - - // If mimeType is non-null and no Accept header is set, a default is used. - mimeType: function(value) { - if (!arguments.length) return mimeType; - mimeType = value == null ? null : value + ""; - return request; - }, - - // Specifies what type the response value should take; - // for instance, arraybuffer, blob, document, or text. - responseType: function(value) { - if (!arguments.length) return responseType; - responseType = value; - return request; - }, - - timeout: function(value) { - if (!arguments.length) return timeout; - timeout = +value; - return request; - }, - - user: function(value) { - return arguments.length < 1 ? user : (user = value == null ? null : value + "", request); - }, - - password: function(value) { - return arguments.length < 1 ? password : (password = value == null ? null : value + "", request); - }, - - // Specify how to convert the response content to a specific type; - // changes the callback value on "load" events. - response: function(value) { - response = value; - return request; - }, - - // Alias for send("GET", …). - get: function(data, callback) { - return request.send("GET", data, callback); - }, - - // Alias for send("POST", …). - post: function(data, callback) { - return request.send("POST", data, callback); - }, - - // If callback is non-null, it will be used for error and load events. - send: function(method, data, callback) { - xhr.open(method, url, true, user, password); - if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*"); - if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); }); - if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType); - if (responseType != null) xhr.responseType = responseType; - if (timeout > 0) xhr.timeout = timeout; - if (callback == null && typeof data === "function") callback = data, data = null; - if (callback != null && callback.length === 1) callback = fixCallback(callback); - if (callback != null) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); }); - event.call("beforesend", request, xhr); - xhr.send(data == null ? null : data); - return request; - }, - - abort: function() { - xhr.abort(); - return request; - }, - - on: function() { - var value = event.on.apply(event, arguments); - return value === event ? request : value; - } - }; - - if (callback != null) { - if (typeof callback !== "function") throw new Error("invalid callback: " + callback); - return request.get(callback); - } - - return request; -} - -function fixCallback(callback) { - return function(error, xhr) { - callback(error == null ? xhr : null); - }; -} - -function hasResponse(xhr) { - var type = xhr.responseType; - return type && type !== "text" - ? xhr.response // null on error - : xhr.responseText; // "" on error -} - -function type$1(defaultMimeType, response) { - return function(url, callback) { - var r = request(url).mimeType(defaultMimeType).response(response); - if (callback != null) { - if (typeof callback !== "function") throw new Error("invalid callback: " + callback); - return r.get(callback); - } - return r; - }; -} - -var html = type$1("text/html", function(xhr) { - return document.createRange().createContextualFragment(xhr.responseText); -}); - -var json = type$1("application/json", function(xhr) { - return JSON.parse(xhr.responseText); -}); - -var text = type$1("text/plain", function(xhr) { - return xhr.responseText; -}); - -var xml = type$1("application/xml", function(xhr) { - var xml = xhr.responseXML; - if (!xml) throw new Error("parse error"); - return xml; -}); +var array$3 = Array.prototype; -function dsv$1(defaultMimeType, parse) { - return function(url, row, callback) { - if (arguments.length < 3) callback = row, row = null; - var r = request(url).mimeType(defaultMimeType); - r.row = function(_) { return arguments.length ? r.response(responseOf(parse, row = _)) : row; }; - r.row(row); - return callback ? r.get(callback) : r; - }; -} - -function responseOf(parse, row) { - return function(request$$1) { - return parse(request$$1.responseText, row); - }; -} - -var csv$1 = dsv$1("text/csv", csvParse); - -var tsv$1 = dsv$1("text/tab-separated-values", tsvParse); - -var array$2 = Array.prototype; - -var map$3 = array$2.map; -var slice$5 = array$2.slice; +var map$2 = array$3.map; +var slice$5 = array$3.slice; var implicit = {name: "implicit"}; @@ -11702,7 +11916,7 @@ function point$1() { return pointish(band().paddingInner(1)); } -function constant$9(x) { +function constant$10(x) { return function() { return x; }; @@ -11717,7 +11931,7 @@ var unit = [0, 1]; function deinterpolateLinear(a, b) { return (b -= (a = +a)) ? function(x) { return (x - a) / b; } - : constant$9(b); + : constant$10(b); } function deinterpolateClamp(deinterpolate) { @@ -11727,21 +11941,21 @@ function deinterpolateClamp(deinterpolate) { }; } -function reinterpolateClamp(reinterpolate) { +function reinterpolateClamp(reinterpolate$$1) { return function(a, b) { - var r = reinterpolate(a = +a, b = +b); + var r = reinterpolate$$1(a = +a, b = +b); return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; }; } -function bimap(domain, range, deinterpolate, reinterpolate) { +function bimap(domain, range, deinterpolate, reinterpolate$$1) { var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; - if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); - else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); + if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate$$1(r1, r0); + else d0 = deinterpolate(d0, d1), r0 = reinterpolate$$1(r0, r1); return function(x) { return r0(d0(x)); }; } -function polymap(domain, range, deinterpolate, reinterpolate) { +function polymap(domain, range, deinterpolate, reinterpolate$$1) { var j = Math.min(domain.length, range.length) - 1, d = new Array(j), r = new Array(j), @@ -11755,7 +11969,7 @@ function polymap(domain, range, deinterpolate, reinterpolate) { while (++i < j) { d[i] = deinterpolate(domain[i], domain[i + 1]); - r[i] = reinterpolate(range[i], range[i + 1]); + r[i] = reinterpolate$$1(range[i], range[i + 1]); } return function(x) { @@ -11774,31 +11988,31 @@ function copy(source, target) { // deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. // reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. -function continuous(deinterpolate, reinterpolate) { +function continuous(deinterpolate, reinterpolate$$1) { var domain = unit, range = unit, interpolate$$1 = interpolateValue, clamp = false, - piecewise, + piecewise$$1, output, input; function rescale() { - piecewise = Math.min(domain.length, range.length) > 2 ? polymap : bimap; + piecewise$$1 = Math.min(domain.length, range.length) > 2 ? polymap : bimap; output = input = null; return scale; } function scale(x) { - return (output || (output = piecewise(domain, range, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x); + return (output || (output = piecewise$$1(domain, range, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x); } scale.invert = function(y) { - return (input || (input = piecewise(range, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); + return (input || (input = piecewise$$1(range, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate$$1) : reinterpolate$$1)))(+y); }; scale.domain = function(_) { - return arguments.length ? (domain = map$3.call(_, number$2), rescale()) : domain.slice(); + return arguments.length ? (domain = map$2.call(_, number$2), rescale()) : domain.slice(); }; scale.range = function(_) { @@ -11924,7 +12138,7 @@ function identity$6() { scale.invert = scale; scale.domain = scale.range = function(_) { - return arguments.length ? (domain = map$3.call(_, number$2), scale) : domain.slice(); + return arguments.length ? (domain = map$2.call(_, number$2), scale) : domain.slice(); }; scale.copy = function() { @@ -11956,7 +12170,7 @@ function nice(domain, interval) { function deinterpolate(a, b) { return (b = Math.log(b / a)) ? function(x) { return Math.log(x / a) / b; } - : constant$9(b); + : constant$10(b); } function reinterpolate$1(a, b) { @@ -12088,7 +12302,7 @@ function pow$1() { function deinterpolate(a, b) { return (b = raise$1(b, exponent) - (a = raise$1(a, exponent))) ? function(x) { return (raise$1(x, exponent) - a) / b; } - : constant$9(b); + : constant$10(b); } function reinterpolate(a, b) { @@ -12234,8 +12448,8 @@ function threshold$1() { return scale; } -var t0$1 = new Date; -var t1$1 = new Date; +var t0$1 = new Date, + t1$1 = new Date; function newInterval(floori, offseti, count, field) { @@ -12324,51 +12538,47 @@ millisecond.every = function(k) { return (end - start) / k; }); }; - var milliseconds = millisecond.range; -var durationSecond$1 = 1e3; -var durationMinute$1 = 6e4; -var durationHour$1 = 36e5; -var durationDay$1 = 864e5; -var durationWeek$1 = 6048e5; +var durationSecond = 1e3; +var durationMinute = 6e4; +var durationHour = 36e5; +var durationDay = 864e5; +var durationWeek = 6048e5; var second = newInterval(function(date) { - date.setTime(Math.floor(date / durationSecond$1) * durationSecond$1); + date.setTime(Math.floor(date / durationSecond) * durationSecond); }, function(date, step) { - date.setTime(+date + step * durationSecond$1); + date.setTime(+date + step * durationSecond); }, function(start, end) { - return (end - start) / durationSecond$1; + return (end - start) / durationSecond; }, function(date) { return date.getUTCSeconds(); }); - var seconds = second.range; var minute = newInterval(function(date) { - date.setTime(Math.floor(date / durationMinute$1) * durationMinute$1); + date.setTime(Math.floor(date / durationMinute) * durationMinute); }, function(date, step) { - date.setTime(+date + step * durationMinute$1); + date.setTime(+date + step * durationMinute); }, function(start, end) { - return (end - start) / durationMinute$1; + return (end - start) / durationMinute; }, function(date) { return date.getMinutes(); }); - var minutes = minute.range; var hour = newInterval(function(date) { - var offset = date.getTimezoneOffset() * durationMinute$1 % durationHour$1; - if (offset < 0) offset += durationHour$1; - date.setTime(Math.floor((+date - offset) / durationHour$1) * durationHour$1 + offset); + var offset = date.getTimezoneOffset() * durationMinute % durationHour; + if (offset < 0) offset += durationHour; + date.setTime(Math.floor((+date - offset) / durationHour) * durationHour + offset); }, function(date, step) { - date.setTime(+date + step * durationHour$1); + date.setTime(+date + step * durationHour); }, function(start, end) { - return (end - start) / durationHour$1; + return (end - start) / durationHour; }, function(date) { return date.getHours(); }); - var hours = hour.range; var day = newInterval(function(date) { @@ -12376,11 +12586,10 @@ var day = newInterval(function(date) { }, function(date, step) { date.setDate(date.getDate() + step); }, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationDay$1; + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay; }, function(date) { return date.getDate() - 1; }); - var days = day.range; function weekday(i) { @@ -12390,7 +12599,7 @@ function weekday(i) { }, function(date, step) { date.setDate(date.getDate() + step * 7); }, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationWeek$1; + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; }); } @@ -12420,7 +12629,6 @@ var month = newInterval(function(date) { }, function(date) { return date.getMonth(); }); - var months = month.range; var year = newInterval(function(date) { @@ -12444,31 +12652,28 @@ year.every = function(k) { date.setFullYear(date.getFullYear() + step * k); }); }; - var years = year.range; var utcMinute = newInterval(function(date) { date.setUTCSeconds(0, 0); }, function(date, step) { - date.setTime(+date + step * durationMinute$1); + date.setTime(+date + step * durationMinute); }, function(start, end) { - return (end - start) / durationMinute$1; + return (end - start) / durationMinute; }, function(date) { return date.getUTCMinutes(); }); - var utcMinutes = utcMinute.range; var utcHour = newInterval(function(date) { date.setUTCMinutes(0, 0, 0); }, function(date, step) { - date.setTime(+date + step * durationHour$1); + date.setTime(+date + step * durationHour); }, function(start, end) { - return (end - start) / durationHour$1; + return (end - start) / durationHour; }, function(date) { return date.getUTCHours(); }); - var utcHours = utcHour.range; var utcDay = newInterval(function(date) { @@ -12476,11 +12681,10 @@ var utcDay = newInterval(function(date) { }, function(date, step) { date.setUTCDate(date.getUTCDate() + step); }, function(start, end) { - return (end - start) / durationDay$1; + return (end - start) / durationDay; }, function(date) { return date.getUTCDate() - 1; }); - var utcDays = utcDay.range; function utcWeekday(i) { @@ -12490,7 +12694,7 @@ function utcWeekday(i) { }, function(date, step) { date.setUTCDate(date.getUTCDate() + step * 7); }, function(start, end) { - return (end - start) / durationWeek$1; + return (end - start) / durationWeek; }); } @@ -12520,7 +12724,6 @@ var utcMonth = newInterval(function(date) { }, function(date) { return date.getUTCMonth(); }); - var utcMonths = utcMonth.range; var utcYear = newInterval(function(date) { @@ -12544,7 +12747,6 @@ utcYear.every = function(k) { date.setUTCFullYear(date.getUTCFullYear() + step * k); }); }; - var utcYears = utcYear.range; function localDate(d) { @@ -12897,10 +13099,10 @@ function formatLocale$1(locale) { }; } -var pads = {"-": "", "_": " ", "0": "0"}; -var numberRe = /^\s*\d+/; -var percentRe = /^%/; -var requoteRe = /[\\^$*+?|[\]().{}]/g; +var pads = {"-": "", "_": " ", "0": "0"}, + numberRe = /^\s*\d+/, // note: ignores next directive + percentRe = /^%/, + requoteRe = /[\\^$*+?|[\]().{}]/g; function pad(value, fill, width) { var sign = value < 0 ? "-" : "", @@ -13177,10 +13379,6 @@ function formatUnixTimestampSeconds(d) { var locale$1; - - - - defaultLocale$1({ dateTime: "%x, %X", date: "%-m/%-d/%Y", @@ -13220,13 +13418,13 @@ var parseIso = +new Date("2000-01-01T00:00:00.000Z") ? parseIsoNative : exports.utcParse(isoSpecifier); -var durationSecond = 1000; -var durationMinute = durationSecond * 60; -var durationHour = durationMinute * 60; -var durationDay = durationHour * 24; -var durationWeek = durationDay * 7; -var durationMonth = durationDay * 30; -var durationYear = durationDay * 365; +var durationSecond$1 = 1000, + durationMinute$1 = durationSecond$1 * 60, + durationHour$1 = durationMinute$1 * 60, + durationDay$1 = durationHour$1 * 24, + durationWeek$1 = durationDay$1 * 7, + durationMonth = durationDay$1 * 30, + durationYear = durationDay$1 * 365; function date$1(t) { return new Date(t); @@ -13251,34 +13449,34 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 formatYear = format("%Y"); var tickIntervals = [ - [second$$1, 1, durationSecond], - [second$$1, 5, 5 * durationSecond], - [second$$1, 15, 15 * durationSecond], - [second$$1, 30, 30 * durationSecond], - [minute$$1, 1, durationMinute], - [minute$$1, 5, 5 * durationMinute], - [minute$$1, 15, 15 * durationMinute], - [minute$$1, 30, 30 * durationMinute], - [ hour$$1, 1, durationHour ], - [ hour$$1, 3, 3 * durationHour ], - [ hour$$1, 6, 6 * durationHour ], - [ hour$$1, 12, 12 * durationHour ], - [ day$$1, 1, durationDay ], - [ day$$1, 2, 2 * durationDay ], - [ week, 1, durationWeek ], + [second$$1, 1, durationSecond$1], + [second$$1, 5, 5 * durationSecond$1], + [second$$1, 15, 15 * durationSecond$1], + [second$$1, 30, 30 * durationSecond$1], + [minute$$1, 1, durationMinute$1], + [minute$$1, 5, 5 * durationMinute$1], + [minute$$1, 15, 15 * durationMinute$1], + [minute$$1, 30, 30 * durationMinute$1], + [ hour$$1, 1, durationHour$1 ], + [ hour$$1, 3, 3 * durationHour$1 ], + [ hour$$1, 6, 6 * durationHour$1 ], + [ hour$$1, 12, 12 * durationHour$1 ], + [ day$$1, 1, durationDay$1 ], + [ day$$1, 2, 2 * durationDay$1 ], + [ week, 1, durationWeek$1 ], [ month$$1, 1, durationMonth ], [ month$$1, 3, 3 * durationMonth ], [ year$$1, 1, durationYear ] ]; - function tickFormat(date) { - return (second$$1(date) < date ? formatMillisecond - : minute$$1(date) < date ? formatSecond - : hour$$1(date) < date ? formatMinute - : day$$1(date) < date ? formatHour - : month$$1(date) < date ? (week(date) < date ? formatDay : formatWeek) - : year$$1(date) < date ? formatMonth - : formatYear)(date); + function tickFormat(date$$1) { + return (second$$1(date$$1) < date$$1 ? formatMillisecond + : minute$$1(date$$1) < date$$1 ? formatSecond + : hour$$1(date$$1) < date$$1 ? formatMinute + : day$$1(date$$1) < date$$1 ? formatHour + : month$$1(date$$1) < date$$1 ? (week(date$$1) < date$$1 ? formatDay : formatWeek) + : year$$1(date$$1) < date$$1 ? formatMonth + : formatYear)(date$$1); } function tickInterval(interval, start, stop, step) { @@ -13311,7 +13509,7 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 }; scale.domain = function(_) { - return arguments.length ? domain(map$3.call(_, number$3)) : domain().map(date$1); + return arguments.length ? domain(map$2.call(_, number$3)) : domain().map(date$1); }; scale.ticks = function(interval, step) { @@ -13352,52 +13550,6 @@ function utcTime() { return calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); } -function colors(s) { - return s.match(/.{6}/g).map(function(x) { - return "#" + x; - }); -} - -var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); - -var category20b = colors("393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6"); - -var category20c = colors("3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9"); - -var category20 = colors("1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5"); - -var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); - -var warm = cubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); - -var cool = cubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); - -var rainbow = cubehelix(); - -function rainbow$1(t) { - if (t < 0 || t > 1) t -= Math.floor(t); - var ts = Math.abs(t - 0.5); - rainbow.h = 360 * t - 100; - rainbow.s = 1.5 - 1.5 * ts; - rainbow.l = 0.8 - 0.9 * ts; - return rainbow + ""; -} - -function ramp(range) { - var n = range.length; - return function(t) { - return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; - }; -} - -var viridis = ramp(colors("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")); - -var magma = ramp(colors("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")); - -var inferno = ramp(colors("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")); - -var plasma = ramp(colors("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")); - function sequential(interpolator) { var x0 = 0, x1 = 1, @@ -13427,7 +13579,422 @@ function sequential(interpolator) { return linearish(scale); } -function constant$10(x) { +function colors(specifier) { + var n = specifier.length / 6 | 0, colors = new Array(n), i = 0; + while (i < n) colors[i] = "#" + specifier.slice(i * 6, ++i * 6); + return colors; +} + +var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); + +var Accent = colors("7fc97fbeaed4fdc086ffff99386cb0f0027fbf5b17666666"); + +var Dark2 = colors("1b9e77d95f027570b3e7298a66a61ee6ab02a6761d666666"); + +var Paired = colors("a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00cab2d66a3d9affff99b15928"); + +var Pastel1 = colors("fbb4aeb3cde3ccebc5decbe4fed9a6ffffcce5d8bdfddaecf2f2f2"); + +var Pastel2 = colors("b3e2cdfdcdaccbd5e8f4cae4e6f5c9fff2aef1e2cccccccc"); + +var Set1 = colors("e41a1c377eb84daf4a984ea3ff7f00ffff33a65628f781bf999999"); + +var Set2 = colors("66c2a5fc8d628da0cbe78ac3a6d854ffd92fe5c494b3b3b3"); + +var Set3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5ffed6f"); + +function ramp(scheme) { + return rgbBasis(scheme[scheme.length - 1]); +} + +var scheme = new Array(3).concat( + "d8b365f5f5f55ab4ac", + "a6611adfc27d80cdc1018571", + "a6611adfc27df5f5f580cdc1018571", + "8c510ad8b365f6e8c3c7eae55ab4ac01665e", + "8c510ad8b365f6e8c3f5f5f5c7eae55ab4ac01665e", + "8c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e", + "8c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e", + "5430058c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e003c30", + "5430058c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e003c30" +).map(colors); + +var BrBG = ramp(scheme); + +var scheme$1 = new Array(3).concat( + "af8dc3f7f7f77fbf7b", + "7b3294c2a5cfa6dba0008837", + "7b3294c2a5cff7f7f7a6dba0008837", + "762a83af8dc3e7d4e8d9f0d37fbf7b1b7837", + "762a83af8dc3e7d4e8f7f7f7d9f0d37fbf7b1b7837", + "762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b7837", + "762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b7837", + "40004b762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b783700441b", + "40004b762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b783700441b" +).map(colors); + +var PRGn = ramp(scheme$1); + +var scheme$2 = new Array(3).concat( + "e9a3c9f7f7f7a1d76a", + "d01c8bf1b6dab8e1864dac26", + "d01c8bf1b6daf7f7f7b8e1864dac26", + "c51b7de9a3c9fde0efe6f5d0a1d76a4d9221", + "c51b7de9a3c9fde0eff7f7f7e6f5d0a1d76a4d9221", + "c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221", + "c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221", + "8e0152c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221276419", + "8e0152c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221276419" +).map(colors); + +var PiYG = ramp(scheme$2); + +var scheme$3 = new Array(3).concat( + "998ec3f7f7f7f1a340", + "5e3c99b2abd2fdb863e66101", + "5e3c99b2abd2f7f7f7fdb863e66101", + "542788998ec3d8daebfee0b6f1a340b35806", + "542788998ec3d8daebf7f7f7fee0b6f1a340b35806", + "5427888073acb2abd2d8daebfee0b6fdb863e08214b35806", + "5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b35806", + "2d004b5427888073acb2abd2d8daebfee0b6fdb863e08214b358067f3b08", + "2d004b5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b358067f3b08" +).map(colors); + +var PuOr = ramp(scheme$3); + +var scheme$4 = new Array(3).concat( + "ef8a62f7f7f767a9cf", + "ca0020f4a58292c5de0571b0", + "ca0020f4a582f7f7f792c5de0571b0", + "b2182bef8a62fddbc7d1e5f067a9cf2166ac", + "b2182bef8a62fddbc7f7f7f7d1e5f067a9cf2166ac", + "b2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac", + "b2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac", + "67001fb2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac053061", + "67001fb2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac053061" +).map(colors); + +var RdBu = ramp(scheme$4); + +var scheme$5 = new Array(3).concat( + "ef8a62ffffff999999", + "ca0020f4a582bababa404040", + "ca0020f4a582ffffffbababa404040", + "b2182bef8a62fddbc7e0e0e09999994d4d4d", + "b2182bef8a62fddbc7ffffffe0e0e09999994d4d4d", + "b2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d", + "b2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d", + "67001fb2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d1a1a1a", + "67001fb2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d1a1a1a" +).map(colors); + +var RdGy = ramp(scheme$5); + +var scheme$6 = new Array(3).concat( + "fc8d59ffffbf91bfdb", + "d7191cfdae61abd9e92c7bb6", + "d7191cfdae61ffffbfabd9e92c7bb6", + "d73027fc8d59fee090e0f3f891bfdb4575b4", + "d73027fc8d59fee090ffffbfe0f3f891bfdb4575b4", + "d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4", + "d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4", + "a50026d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4313695", + "a50026d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4313695" +).map(colors); + +var RdYlBu = ramp(scheme$6); + +var scheme$7 = new Array(3).concat( + "fc8d59ffffbf91cf60", + "d7191cfdae61a6d96a1a9641", + "d7191cfdae61ffffbfa6d96a1a9641", + "d73027fc8d59fee08bd9ef8b91cf601a9850", + "d73027fc8d59fee08bffffbfd9ef8b91cf601a9850", + "d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850", + "d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850", + "a50026d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850006837", + "a50026d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850006837" +).map(colors); + +var RdYlGn = ramp(scheme$7); + +var scheme$8 = new Array(3).concat( + "fc8d59ffffbf99d594", + "d7191cfdae61abdda42b83ba", + "d7191cfdae61ffffbfabdda42b83ba", + "d53e4ffc8d59fee08be6f59899d5943288bd", + "d53e4ffc8d59fee08bffffbfe6f59899d5943288bd", + "d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd", + "d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd", + "9e0142d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd5e4fa2", + "9e0142d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd5e4fa2" +).map(colors); + +var Spectral = ramp(scheme$8); + +var scheme$9 = new Array(3).concat( + "e5f5f999d8c92ca25f", + "edf8fbb2e2e266c2a4238b45", + "edf8fbb2e2e266c2a42ca25f006d2c", + "edf8fbccece699d8c966c2a42ca25f006d2c", + "edf8fbccece699d8c966c2a441ae76238b45005824", + "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45005824", + "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45006d2c00441b" +).map(colors); + +var BuGn = ramp(scheme$9); + +var scheme$10 = new Array(3).concat( + "e0ecf49ebcda8856a7", + "edf8fbb3cde38c96c688419d", + "edf8fbb3cde38c96c68856a7810f7c", + "edf8fbbfd3e69ebcda8c96c68856a7810f7c", + "edf8fbbfd3e69ebcda8c96c68c6bb188419d6e016b", + "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d6e016b", + "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d810f7c4d004b" +).map(colors); + +var BuPu = ramp(scheme$10); + +var scheme$11 = new Array(3).concat( + "e0f3dba8ddb543a2ca", + "f0f9e8bae4bc7bccc42b8cbe", + "f0f9e8bae4bc7bccc443a2ca0868ac", + "f0f9e8ccebc5a8ddb57bccc443a2ca0868ac", + "f0f9e8ccebc5a8ddb57bccc44eb3d32b8cbe08589e", + "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe08589e", + "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe0868ac084081" +).map(colors); + +var GnBu = ramp(scheme$11); + +var scheme$12 = new Array(3).concat( + "fee8c8fdbb84e34a33", + "fef0d9fdcc8afc8d59d7301f", + "fef0d9fdcc8afc8d59e34a33b30000", + "fef0d9fdd49efdbb84fc8d59e34a33b30000", + "fef0d9fdd49efdbb84fc8d59ef6548d7301f990000", + "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301f990000", + "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301fb300007f0000" +).map(colors); + +var OrRd = ramp(scheme$12); + +var scheme$13 = new Array(3).concat( + "ece2f0a6bddb1c9099", + "f6eff7bdc9e167a9cf02818a", + "f6eff7bdc9e167a9cf1c9099016c59", + "f6eff7d0d1e6a6bddb67a9cf1c9099016c59", + "f6eff7d0d1e6a6bddb67a9cf3690c002818a016450", + "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016450", + "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016c59014636" +).map(colors); + +var PuBuGn = ramp(scheme$13); + +var scheme$14 = new Array(3).concat( + "ece7f2a6bddb2b8cbe", + "f1eef6bdc9e174a9cf0570b0", + "f1eef6bdc9e174a9cf2b8cbe045a8d", + "f1eef6d0d1e6a6bddb74a9cf2b8cbe045a8d", + "f1eef6d0d1e6a6bddb74a9cf3690c00570b0034e7b", + "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0034e7b", + "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0045a8d023858" +).map(colors); + +var PuBu = ramp(scheme$14); + +var scheme$15 = new Array(3).concat( + "e7e1efc994c7dd1c77", + "f1eef6d7b5d8df65b0ce1256", + "f1eef6d7b5d8df65b0dd1c77980043", + "f1eef6d4b9dac994c7df65b0dd1c77980043", + "f1eef6d4b9dac994c7df65b0e7298ace125691003f", + "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125691003f", + "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125698004367001f" +).map(colors); + +var PuRd = ramp(scheme$15); + +var scheme$16 = new Array(3).concat( + "fde0ddfa9fb5c51b8a", + "feebe2fbb4b9f768a1ae017e", + "feebe2fbb4b9f768a1c51b8a7a0177", + "feebe2fcc5c0fa9fb5f768a1c51b8a7a0177", + "feebe2fcc5c0fa9fb5f768a1dd3497ae017e7a0177", + "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a0177", + "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a017749006a" +).map(colors); + +var RdPu = ramp(scheme$16); + +var scheme$17 = new Array(3).concat( + "edf8b17fcdbb2c7fb8", + "ffffcca1dab441b6c4225ea8", + "ffffcca1dab441b6c42c7fb8253494", + "ffffccc7e9b47fcdbb41b6c42c7fb8253494", + "ffffccc7e9b47fcdbb41b6c41d91c0225ea80c2c84", + "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea80c2c84", + "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea8253494081d58" +).map(colors); + +var YlGnBu = ramp(scheme$17); + +var scheme$18 = new Array(3).concat( + "f7fcb9addd8e31a354", + "ffffccc2e69978c679238443", + "ffffccc2e69978c67931a354006837", + "ffffccd9f0a3addd8e78c67931a354006837", + "ffffccd9f0a3addd8e78c67941ab5d238443005a32", + "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443005a32", + "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443006837004529" +).map(colors); + +var YlGn = ramp(scheme$18); + +var scheme$19 = new Array(3).concat( + "fff7bcfec44fd95f0e", + "ffffd4fed98efe9929cc4c02", + "ffffd4fed98efe9929d95f0e993404", + "ffffd4fee391fec44ffe9929d95f0e993404", + "ffffd4fee391fec44ffe9929ec7014cc4c028c2d04", + "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c028c2d04", + "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c02993404662506" +).map(colors); + +var YlOrBr = ramp(scheme$19); + +var scheme$20 = new Array(3).concat( + "ffeda0feb24cf03b20", + "ffffb2fecc5cfd8d3ce31a1c", + "ffffb2fecc5cfd8d3cf03b20bd0026", + "ffffb2fed976feb24cfd8d3cf03b20bd0026", + "ffffb2fed976feb24cfd8d3cfc4e2ae31a1cb10026", + "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cb10026", + "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cbd0026800026" +).map(colors); + +var YlOrRd = ramp(scheme$20); + +var scheme$21 = new Array(3).concat( + "deebf79ecae13182bd", + "eff3ffbdd7e76baed62171b5", + "eff3ffbdd7e76baed63182bd08519c", + "eff3ffc6dbef9ecae16baed63182bd08519c", + "eff3ffc6dbef9ecae16baed64292c62171b5084594", + "f7fbffdeebf7c6dbef9ecae16baed64292c62171b5084594", + "f7fbffdeebf7c6dbef9ecae16baed64292c62171b508519c08306b" +).map(colors); + +var Blues = ramp(scheme$21); + +var scheme$22 = new Array(3).concat( + "e5f5e0a1d99b31a354", + "edf8e9bae4b374c476238b45", + "edf8e9bae4b374c47631a354006d2c", + "edf8e9c7e9c0a1d99b74c47631a354006d2c", + "edf8e9c7e9c0a1d99b74c47641ab5d238b45005a32", + "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45005a32", + "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45006d2c00441b" +).map(colors); + +var Greens = ramp(scheme$22); + +var scheme$23 = new Array(3).concat( + "f0f0f0bdbdbd636363", + "f7f7f7cccccc969696525252", + "f7f7f7cccccc969696636363252525", + "f7f7f7d9d9d9bdbdbd969696636363252525", + "f7f7f7d9d9d9bdbdbd969696737373525252252525", + "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525", + "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525000000" +).map(colors); + +var Greys = ramp(scheme$23); + +var scheme$24 = new Array(3).concat( + "efedf5bcbddc756bb1", + "f2f0f7cbc9e29e9ac86a51a3", + "f2f0f7cbc9e29e9ac8756bb154278f", + "f2f0f7dadaebbcbddc9e9ac8756bb154278f", + "f2f0f7dadaebbcbddc9e9ac8807dba6a51a34a1486", + "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a34a1486", + "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a354278f3f007d" +).map(colors); + +var Purples = ramp(scheme$24); + +var scheme$25 = new Array(3).concat( + "fee0d2fc9272de2d26", + "fee5d9fcae91fb6a4acb181d", + "fee5d9fcae91fb6a4ade2d26a50f15", + "fee5d9fcbba1fc9272fb6a4ade2d26a50f15", + "fee5d9fcbba1fc9272fb6a4aef3b2ccb181d99000d", + "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181d99000d", + "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181da50f1567000d" +).map(colors); + +var Reds = ramp(scheme$25); + +var scheme$26 = new Array(3).concat( + "fee6cefdae6be6550d", + "feeddefdbe85fd8d3cd94701", + "feeddefdbe85fd8d3ce6550da63603", + "feeddefdd0a2fdae6bfd8d3ce6550da63603", + "feeddefdd0a2fdae6bfd8d3cf16913d948018c2d04", + "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d948018c2d04", + "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d94801a636037f2704" +).map(colors); + +var Oranges = ramp(scheme$26); + +var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); + +var warm = cubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); + +var cool = cubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); + +var c = cubehelix(); + +function rainbow(t) { + if (t < 0 || t > 1) t -= Math.floor(t); + var ts = Math.abs(t - 0.5); + c.h = 360 * t - 100; + c.s = 1.5 - 1.5 * ts; + c.l = 0.8 - 0.9 * ts; + return c + ""; +} + +var c$1 = rgb(), + pi_1_3 = Math.PI / 3, + pi_2_3 = Math.PI * 2 / 3; + +function sinebow(t) { + var x; + t = (0.5 - t) * Math.PI; + c$1.r = 255 * (x = Math.sin(t)) * x; + c$1.g = 255 * (x = Math.sin(t + pi_1_3)) * x; + c$1.b = 255 * (x = Math.sin(t + pi_2_3)) * x; + return c$1 + ""; +} + +function ramp$1(range) { + var n = range.length; + return function(t) { + return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; + }; +} + +var viridis = ramp$1(colors("44015444025645045745055946075a46085c460a5d460b5e470d60470e6147106347116447136548146748166848176948186a481a6c481b6d481c6e481d6f481f70482071482173482374482475482576482677482878482979472a7a472c7a472d7b472e7c472f7d46307e46327e46337f463480453581453781453882443983443a83443b84433d84433e85423f854240864241864142874144874045884046883f47883f48893e49893e4a893e4c8a3d4d8a3d4e8a3c4f8a3c508b3b518b3b528b3a538b3a548c39558c39568c38588c38598c375a8c375b8d365c8d365d8d355e8d355f8d34608d34618d33628d33638d32648e32658e31668e31678e31688e30698e306a8e2f6b8e2f6c8e2e6d8e2e6e8e2e6f8e2d708e2d718e2c718e2c728e2c738e2b748e2b758e2a768e2a778e2a788e29798e297a8e297b8e287c8e287d8e277e8e277f8e27808e26818e26828e26828e25838e25848e25858e24868e24878e23888e23898e238a8d228b8d228c8d228d8d218e8d218f8d21908d21918c20928c20928c20938c1f948c1f958b1f968b1f978b1f988b1f998a1f9a8a1e9b8a1e9c891e9d891f9e891f9f881fa0881fa1881fa1871fa28720a38620a48621a58521a68522a78522a88423a98324aa8325ab8225ac8226ad8127ad8128ae8029af7f2ab07f2cb17e2db27d2eb37c2fb47c31b57b32b67a34b67935b77937b87838b9773aba763bbb753dbc743fbc7340bd7242be7144bf7046c06f48c16e4ac16d4cc26c4ec36b50c46a52c56954c56856c66758c7655ac8645cc8635ec96260ca6063cb5f65cb5e67cc5c69cd5b6ccd5a6ece5870cf5773d05675d05477d1537ad1517cd2507fd34e81d34d84d44b86d54989d5488bd6468ed64590d74393d74195d84098d83e9bd93c9dd93ba0da39a2da37a5db36a8db34aadc32addc30b0dd2fb2dd2db5de2bb8de29bade28bddf26c0df25c2df23c5e021c8e020cae11fcde11dd0e11cd2e21bd5e21ad8e219dae319dde318dfe318e2e418e5e419e7e419eae51aece51befe51cf1e51df4e61ef6e620f8e621fbe723fde725")); + +var magma = ramp$1(colors("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")); + +var inferno = ramp$1(colors("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")); + +var plasma = ramp$1(colors("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")); + +function constant$11(x) { return function constant() { return x; }; @@ -13527,7 +14094,7 @@ function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { function arc() { var innerRadius = arcInnerRadius, outerRadius = arcOuterRadius, - cornerRadius = constant$10(0), + cornerRadius = constant$11(0), padRadius = null, startAngle = arcStartAngle, endAngle = arcEndAngle, @@ -13676,31 +14243,31 @@ function arc() { }; arc.innerRadius = function(_) { - return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$10(+_), arc) : innerRadius; + return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$11(+_), arc) : innerRadius; }; arc.outerRadius = function(_) { - return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$10(+_), arc) : outerRadius; + return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$11(+_), arc) : outerRadius; }; arc.cornerRadius = function(_) { - return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$10(+_), arc) : cornerRadius; + return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$11(+_), arc) : cornerRadius; }; arc.padRadius = function(_) { - return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$10(+_), arc) : padRadius; + return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$11(+_), arc) : padRadius; }; arc.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$10(+_), arc) : startAngle; + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$11(+_), arc) : startAngle; }; arc.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$10(+_), arc) : endAngle; + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$11(+_), arc) : endAngle; }; arc.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$10(+_), arc) : padAngle; + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$11(+_), arc) : padAngle; }; arc.context = function(_) { @@ -13753,7 +14320,7 @@ function y$3(p) { function line() { var x$$1 = x$3, y$$1 = y$3, - defined = constant$10(true), + defined = constant$11(true), context = null, curve = curveLinear, output = null; @@ -13779,15 +14346,15 @@ function line() { } line.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : x$$1; + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$11(+_), line) : x$$1; }; line.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : y$$1; + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$11(+_), line) : y$$1; }; line.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$10(!!_), line) : defined; + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$11(!!_), line) : defined; }; line.curve = function(_) { @@ -13801,12 +14368,12 @@ function line() { return line; } -function area$2() { +function area$3() { var x0 = x$3, x1 = null, - y0 = constant$10(0), + y0 = constant$11(0), y1 = y$3, - defined = constant$10(true), + defined = constant$11(true), context = null, curve = curveLinear, output = null; @@ -13854,27 +14421,27 @@ function area$2() { } area.x = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$10(+_), x1 = null, area) : x0; + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$11(+_), x1 = null, area) : x0; }; area.x0 = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$10(+_), area) : x0; + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$11(+_), area) : x0; }; area.x1 = function(_) { - return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$10(+_), area) : x1; + return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$11(+_), area) : x1; }; area.y = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$10(+_), y1 = null, area) : y0; + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$11(+_), y1 = null, area) : y0; }; area.y0 = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$10(+_), area) : y0; + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$11(+_), area) : y0; }; area.y1 = function(_) { - return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$10(+_), area) : y1; + return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$11(+_), area) : y1; }; area.lineX0 = @@ -13891,7 +14458,7 @@ function area$2() { }; area.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$10(!!_), area) : defined; + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$11(!!_), area) : defined; }; area.curve = function(_) { @@ -13917,9 +14484,9 @@ function pie() { var value = identity$7, sortValues = descending$1, sort = null, - startAngle = constant$10(0), - endAngle = constant$10(tau$4), - padAngle = constant$10(0); + startAngle = constant$11(0), + endAngle = constant$11(tau$4), + padAngle = constant$11(0); function pie(data) { var i, @@ -13962,7 +14529,7 @@ function pie() { } pie.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$10(+_), pie) : value; + return arguments.length ? (value = typeof _ === "function" ? _ : constant$11(+_), pie) : value; }; pie.sortValues = function(_) { @@ -13974,15 +14541,15 @@ function pie() { }; pie.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$10(+_), pie) : startAngle; + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$11(+_), pie) : startAngle; }; pie.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$10(+_), pie) : endAngle; + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$11(+_), pie) : endAngle; }; pie.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$10(+_), pie) : padAngle; + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$11(+_), pie) : padAngle; }; return pie; @@ -14041,7 +14608,7 @@ function lineRadial$1() { } function areaRadial() { - var a = area$2().curve(curveRadialLinear), + var a = area$3().curve(curveRadialLinear), c = a.curve, x0 = a.lineX0, x1 = a.lineX1, @@ -14103,11 +14670,11 @@ function link$2(curve) { }; link.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : x$$1; + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$11(+_), link) : x$$1; }; link.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : y$$1; + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$11(+_), link) : y$$1; }; link.context = function(_) { @@ -14178,8 +14745,8 @@ var cross$2 = { } }; -var tan30 = Math.sqrt(1 / 3); -var tan30_2 = tan30 * 2; +var tan30 = Math.sqrt(1 / 3), + tan30_2 = tan30 * 2; var diamond = { draw: function(context, size) { @@ -14193,10 +14760,10 @@ var diamond = { } }; -var ka = 0.89081309152928522810; -var kr = Math.sin(pi$4 / 10) / Math.sin(7 * pi$4 / 10); -var kx = Math.sin(tau$4 / 10) * kr; -var ky = -Math.cos(tau$4 / 10) * kr; +var ka = 0.89081309152928522810, + kr = Math.sin(pi$4 / 10) / Math.sin(7 * pi$4 / 10), + kx = Math.sin(tau$4 / 10) * kr, + ky = -Math.cos(tau$4 / 10) * kr; var star = { draw: function(context, size) { @@ -14236,10 +14803,10 @@ var triangle = { } }; -var c = -0.5; -var s = Math.sqrt(3) / 2; -var k = 1 / Math.sqrt(12); -var a = (k / 2 + 1) * 3; +var c$2 = -0.5, + s = Math.sqrt(3) / 2, + k = 1 / Math.sqrt(12), + a = (k / 2 + 1) * 3; var wye = { draw: function(context, size) { @@ -14253,12 +14820,12 @@ var wye = { context.moveTo(x0, y0); context.lineTo(x1, y1); context.lineTo(x2, y2); - context.lineTo(c * x0 - s * y0, s * x0 + c * y0); - context.lineTo(c * x1 - s * y1, s * x1 + c * y1); - context.lineTo(c * x2 - s * y2, s * x2 + c * y2); - context.lineTo(c * x0 + s * y0, c * y0 - s * x0); - context.lineTo(c * x1 + s * y1, c * y1 - s * x1); - context.lineTo(c * x2 + s * y2, c * y2 - s * x2); + context.lineTo(c$2 * x0 - s * y0, s * x0 + c$2 * y0); + context.lineTo(c$2 * x1 - s * y1, s * x1 + c$2 * y1); + context.lineTo(c$2 * x2 - s * y2, s * x2 + c$2 * y2); + context.lineTo(c$2 * x0 + s * y0, c$2 * y0 - s * x0); + context.lineTo(c$2 * x1 + s * y1, c$2 * y1 - s * x1); + context.lineTo(c$2 * x2 + s * y2, c$2 * y2 - s * x2); context.closePath(); } }; @@ -14274,8 +14841,8 @@ var symbols = [ ]; function symbol() { - var type = constant$10(circle$2), - size = constant$10(64), + var type = constant$11(circle$2), + size = constant$11(64), context = null; function symbol() { @@ -14286,11 +14853,11 @@ function symbol() { } symbol.type = function(_) { - return arguments.length ? (type = typeof _ === "function" ? _ : constant$10(_), symbol) : type; + return arguments.length ? (type = typeof _ === "function" ? _ : constant$11(_), symbol) : type; }; symbol.size = function(_) { - return arguments.length ? (size = typeof _ === "function" ? _ : constant$10(+_), symbol) : size; + return arguments.length ? (size = typeof _ === "function" ? _ : constant$11(+_), symbol) : size; }; symbol.context = function(_) { @@ -14300,7 +14867,7 @@ function symbol() { return symbol; } -function noop$2() {} +function noop$3() {} function point$2(that, x, y) { that._context.bezierCurveTo( @@ -14359,8 +14926,8 @@ function BasisClosed(context) { } BasisClosed.prototype = { - areaStart: noop$2, - areaEnd: noop$2, + areaStart: noop$3, + areaEnd: noop$3, lineStart: function() { this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; @@ -14565,8 +15132,8 @@ function CardinalClosed(context, tension) { } CardinalClosed.prototype = { - areaStart: noop$2, - areaEnd: noop$2, + areaStart: noop$3, + areaEnd: noop$3, lineStart: function() { this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; @@ -14758,8 +15325,8 @@ function CatmullRomClosed(context, alpha) { } CatmullRomClosed.prototype = { - areaStart: noop$2, - areaEnd: noop$2, + areaStart: noop$3, + areaEnd: noop$3, lineStart: function() { this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; @@ -14888,8 +15455,8 @@ function LinearClosed(context) { } LinearClosed.prototype = { - areaStart: noop$2, - areaEnd: noop$2, + areaStart: noop$3, + areaEnd: noop$3, lineStart: function() { this._point = 0; }, @@ -15153,7 +15720,7 @@ function stackValue(d, key) { } function stack() { - var keys = constant$10([]), + var keys = constant$11([]), order = none$2, offset = none$1, value = stackValue; @@ -15183,15 +15750,15 @@ function stack() { } stack.keys = function(_) { - return arguments.length ? (keys = typeof _ === "function" ? _ : constant$10(slice$6.call(_)), stack) : keys; + return arguments.length ? (keys = typeof _ === "function" ? _ : constant$11(slice$6.call(_)), stack) : keys; }; stack.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$10(+_), stack) : value; + return arguments.length ? (value = typeof _ === "function" ? _ : constant$11(+_), stack) : value; }; stack.order = function(_) { - return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$10(slice$6.call(_)), stack) : order; + return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$11(slice$6.call(_)), stack) : order; }; stack.offset = function(_) { @@ -15257,7 +15824,7 @@ function wiggle(series, order) { none$1(series, order); } -function ascending$2(series) { +function ascending$3(series) { var sums = series.map(sum$2); return none$2(series).sort(function(a, b) { return sums[a] - sums[b]; }); } @@ -15269,7 +15836,7 @@ function sum$2(series) { } function descending$2(series) { - return ascending$2(series).reverse(); + return ascending$3(series).reverse(); } function insideOut(series) { @@ -15301,7 +15868,7 @@ function reverse(series) { return none$2(series).reverse(); } -function constant$11(x) { +function constant$12(x) { return function() { return x; }; @@ -16270,11 +16837,11 @@ function voronoi() { }; voronoi.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : x$$1; + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$12(+_), voronoi) : x$$1; }; voronoi.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : y$$1; + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$12(+_), voronoi) : y$$1; }; voronoi.extent = function(_) { @@ -16288,7 +16855,7 @@ function voronoi() { return voronoi; } -function constant$12(x) { +function constant$13(x) { return function() { return x; }; @@ -16390,12 +16957,12 @@ function defaultTouchable$1() { return "ontouchstart" in this; } -function defaultConstrain(transform$$1, extent, translateExtent) { - var dx0 = transform$$1.invertX(extent[0][0]) - translateExtent[0][0], - dx1 = transform$$1.invertX(extent[1][0]) - translateExtent[1][0], - dy0 = transform$$1.invertY(extent[0][1]) - translateExtent[0][1], - dy1 = transform$$1.invertY(extent[1][1]) - translateExtent[1][1]; - return transform$$1.translate( +function defaultConstrain(transform, extent, translateExtent) { + var dx0 = transform.invertX(extent[0][0]) - translateExtent[0][0], + dx1 = transform.invertX(extent[1][0]) - translateExtent[1][0], + dy0 = transform.invertY(extent[0][1]) - translateExtent[0][1], + dy1 = transform.invertY(extent[1][1]) - translateExtent[1][1]; + return transform.translate( dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1), dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1) ); @@ -16419,8 +16986,8 @@ function zoom() { wheelDelay = 150, clickDistance2 = 0; - function zoom(selection) { - selection + function zoom(selection$$1) { + selection$$1 .property("__zoom", defaultTransform) .on("wheel.zoom", wheeled) .on("mousedown.zoom", mousedowned) @@ -16433,31 +17000,31 @@ function zoom() { .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); } - zoom.transform = function(collection, transform$$1) { - var selection = collection.selection ? collection.selection() : collection; - selection.property("__zoom", defaultTransform); - if (collection !== selection) { - schedule(collection, transform$$1); + zoom.transform = function(collection, transform) { + var selection$$1 = collection.selection ? collection.selection() : collection; + selection$$1.property("__zoom", defaultTransform); + if (collection !== selection$$1) { + schedule(collection, transform); } else { - selection.interrupt().each(function() { + selection$$1.interrupt().each(function() { gesture(this, arguments) .start() - .zoom(null, typeof transform$$1 === "function" ? transform$$1.apply(this, arguments) : transform$$1) + .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) .end(); }); } }; - zoom.scaleBy = function(selection, k) { - zoom.scaleTo(selection, function() { + zoom.scaleBy = function(selection$$1, k) { + zoom.scaleTo(selection$$1, function() { var k0 = this.__zoom.k, k1 = typeof k === "function" ? k.apply(this, arguments) : k; return k0 * k1; }); }; - zoom.scaleTo = function(selection, k) { - zoom.transform(selection, function() { + zoom.scaleTo = function(selection$$1, k) { + zoom.transform(selection$$1, function() { var e = extent.apply(this, arguments), t0 = this.__zoom, p0 = centroid(e), @@ -16467,8 +17034,8 @@ function zoom() { }); }; - zoom.translateBy = function(selection, x, y) { - zoom.transform(selection, function() { + zoom.translateBy = function(selection$$1, x, y) { + zoom.transform(selection$$1, function() { return constrain(this.__zoom.translate( typeof x === "function" ? x.apply(this, arguments) : x, typeof y === "function" ? y.apply(this, arguments) : y @@ -16476,8 +17043,8 @@ function zoom() { }); }; - zoom.translateTo = function(selection, x, y) { - zoom.transform(selection, function() { + zoom.translateTo = function(selection$$1, x, y) { + zoom.transform(selection$$1, function() { var e = extent.apply(this, arguments), t = this.__zoom, p = centroid(e); @@ -16488,22 +17055,22 @@ function zoom() { }); }; - function scale(transform$$1, k) { + function scale(transform, k) { k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], k)); - return k === transform$$1.k ? transform$$1 : new Transform(k, transform$$1.x, transform$$1.y); + return k === transform.k ? transform : new Transform(k, transform.x, transform.y); } - function translate(transform$$1, p0, p1) { - var x = p0[0] - p1[0] * transform$$1.k, y = p0[1] - p1[1] * transform$$1.k; - return x === transform$$1.x && y === transform$$1.y ? transform$$1 : new Transform(transform$$1.k, x, y); + function translate(transform, p0, p1) { + var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k; + return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y); } function centroid(extent) { return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; } - function schedule(transition, transform$$1, center) { - transition + function schedule(transition$$1, transform, center) { + transition$$1 .on("start.zoom", function() { gesture(this, arguments).start(); }) .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) .tween("zoom", function() { @@ -16514,7 +17081,7 @@ function zoom() { p = center || centroid(e), w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), a = that.__zoom, - b = typeof transform$$1 === "function" ? transform$$1.apply(that, args) : transform$$1, + b = typeof transform === "function" ? transform.apply(that, args) : transform, i = interpolate(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); return function(t) { if (t === 1) t = b; // Avoid rounding error on end. @@ -16549,11 +17116,11 @@ function zoom() { } return this; }, - zoom: function(key, transform$$1) { - if (this.mouse && key !== "mouse") this.mouse[1] = transform$$1.invert(this.mouse[0]); - if (this.touch0 && key !== "touch") this.touch0[1] = transform$$1.invert(this.touch0[0]); - if (this.touch1 && key !== "touch") this.touch1[1] = transform$$1.invert(this.touch1[0]); - this.that.__zoom = transform$$1; + zoom: function(key, transform) { + if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]); + if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); + if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); + this.that.__zoom = transform; this.emit("zoom"); return this; }, @@ -16653,13 +17220,13 @@ function zoom() { function touchstarted() { if (!filter.apply(this, arguments)) return; var g = gesture(this, arguments), - touches = exports.event.changedTouches, + touches$$1 = exports.event.changedTouches, started, - n = touches.length, i, t, p; + n = touches$$1.length, i, t, p; nopropagation$2(); for (i = 0; i < n; ++i) { - t = touches[i], p = touch(this, touches, t.identifier); + t = touches$$1[i], p = touch(this, touches$$1, t.identifier); p = [p, this.__zoom.invert(p), t.identifier]; if (!g.touch0) g.touch0 = p, started = true; else if (!g.touch1) g.touch1 = p; @@ -16685,13 +17252,13 @@ function zoom() { function touchmoved() { var g = gesture(this, arguments), - touches = exports.event.changedTouches, - n = touches.length, i, t, p, l; + touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, t, p, l; noevent$2(); if (touchstarting) touchstarting = clearTimeout(touchstarting); for (i = 0; i < n; ++i) { - t = touches[i], p = touch(this, touches, t.identifier); + t = touches$$1[i], p = touch(this, touches$$1, t.identifier); if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; } @@ -16712,14 +17279,14 @@ function zoom() { function touchended() { var g = gesture(this, arguments), - touches = exports.event.changedTouches, - n = touches.length, i, t; + touches$$1 = exports.event.changedTouches, + n = touches$$1.length, i, t; nopropagation$2(); if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, touchDelay); for (i = 0; i < n; ++i) { - t = touches[i]; + t = touches$$1[i]; if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; } @@ -16729,19 +17296,19 @@ function zoom() { } zoom.wheelDelta = function(_) { - return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant$12(+_), zoom) : wheelDelta; + return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant$13(+_), zoom) : wheelDelta; }; zoom.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$12(!!_), zoom) : filter; + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$13(!!_), zoom) : filter; }; zoom.touchable = function(_) { - return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$12(!!_), zoom) : touchable; + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$13(!!_), zoom) : touchable; }; zoom.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$12([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$13([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; }; zoom.scaleExtent = function(_) { @@ -16789,7 +17356,7 @@ exports.extent = extent; exports.histogram = histogram; exports.thresholdFreedmanDiaconis = freedmanDiaconis; exports.thresholdScott = scott; -exports.thresholdSturges = sturges; +exports.thresholdSturges = thresholdSturges; exports.max = max; exports.mean = mean; exports.median = median; @@ -16829,12 +17396,16 @@ exports.rgb = rgb; exports.hsl = hsl; exports.lab = lab; exports.hcl = hcl; +exports.lch = lch; +exports.gray = gray; exports.cubehelix = cubehelix; +exports.contours = contours; +exports.contourDensity = density; exports.dispatch = dispatch; exports.drag = drag; exports.dragDisable = dragDisable; exports.dragEnable = yesdrag; -exports.dsvFormat = dsv; +exports.dsvFormat = dsvFormat; exports.csvParse = csvParse; exports.csvParseRows = csvParseRows; exports.csvFormat = csvFormat; @@ -16880,6 +17451,17 @@ exports.easeElastic = elasticOut; exports.easeElasticIn = elasticIn; exports.easeElasticOut = elasticOut; exports.easeElasticInOut = elasticInOut; +exports.blob = blob; +exports.buffer = buffer; +exports.dsv = dsv; +exports.csv = csv$1; +exports.tsv = tsv$1; +exports.image = image; +exports.json = json; +exports.text = text; +exports.xml = xml; +exports.html = html; +exports.svg = svg; exports.forceCenter = center$1; exports.forceCollide = collide; exports.forceLink = link; @@ -16894,7 +17476,7 @@ exports.formatSpecifier = formatSpecifier; exports.precisionFixed = precisionFixed; exports.precisionPrefix = precisionPrefix; exports.precisionRound = precisionRound; -exports.geoArea = area; +exports.geoArea = area$1; exports.geoBounds = bounds; exports.geoCentroid = centroid; exports.geoCircle = circle; @@ -16902,7 +17484,7 @@ exports.geoClipAntimeridian = clipAntimeridian; exports.geoClipCircle = clipCircle; exports.geoClipExtent = extent$1; exports.geoClipRectangle = clipRectangle; -exports.geoContains = contains; +exports.geoContains = contains$1; exports.geoDistance = distance; exports.geoGraticule = graticule; exports.geoGraticule10 = graticule10; @@ -16978,28 +17560,21 @@ exports.interpolateHcl = hcl$2; exports.interpolateHclLong = hclLong; exports.interpolateCubehelix = cubehelix$2; exports.interpolateCubehelixLong = cubehelixLong; +exports.piecewise = piecewise; exports.quantize = quantize; exports.path = path; -exports.polygonArea = area$1; +exports.polygonArea = area$2; exports.polygonCentroid = centroid$1; exports.polygonHull = hull; -exports.polygonContains = contains$1; +exports.polygonContains = contains$2; exports.polygonLength = length$2; exports.quadtree = quadtree; -exports.queue = queue; exports.randomUniform = uniform; exports.randomNormal = normal; exports.randomLogNormal = logNormal; exports.randomBates = bates; exports.randomIrwinHall = irwinHall; exports.randomExponential = exponential$1; -exports.request = request; -exports.html = html; -exports.json = json; -exports.text = text; -exports.xml = xml; -exports.csv = csv$1; -exports.tsv = tsv$1; exports.scaleBand = band; exports.scalePoint = point$1; exports.scaleIdentity = identity$6; @@ -17014,22 +17589,82 @@ exports.scaleQuantize = quantize$1; exports.scaleThreshold = threshold$1; exports.scaleTime = time; exports.scaleUtc = utcTime; +exports.scaleSequential = sequential; exports.schemeCategory10 = category10; -exports.schemeCategory20b = category20b; -exports.schemeCategory20c = category20c; -exports.schemeCategory20 = category20; +exports.schemeAccent = Accent; +exports.schemeDark2 = Dark2; +exports.schemePaired = Paired; +exports.schemePastel1 = Pastel1; +exports.schemePastel2 = Pastel2; +exports.schemeSet1 = Set1; +exports.schemeSet2 = Set2; +exports.schemeSet3 = Set3; +exports.interpolateBrBG = BrBG; +exports.schemeBrBG = scheme; +exports.interpolatePRGn = PRGn; +exports.schemePRGn = scheme$1; +exports.interpolatePiYG = PiYG; +exports.schemePiYG = scheme$2; +exports.interpolatePuOr = PuOr; +exports.schemePuOr = scheme$3; +exports.interpolateRdBu = RdBu; +exports.schemeRdBu = scheme$4; +exports.interpolateRdGy = RdGy; +exports.schemeRdGy = scheme$5; +exports.interpolateRdYlBu = RdYlBu; +exports.schemeRdYlBu = scheme$6; +exports.interpolateRdYlGn = RdYlGn; +exports.schemeRdYlGn = scheme$7; +exports.interpolateSpectral = Spectral; +exports.schemeSpectral = scheme$8; +exports.interpolateBuGn = BuGn; +exports.schemeBuGn = scheme$9; +exports.interpolateBuPu = BuPu; +exports.schemeBuPu = scheme$10; +exports.interpolateGnBu = GnBu; +exports.schemeGnBu = scheme$11; +exports.interpolateOrRd = OrRd; +exports.schemeOrRd = scheme$12; +exports.interpolatePuBuGn = PuBuGn; +exports.schemePuBuGn = scheme$13; +exports.interpolatePuBu = PuBu; +exports.schemePuBu = scheme$14; +exports.interpolatePuRd = PuRd; +exports.schemePuRd = scheme$15; +exports.interpolateRdPu = RdPu; +exports.schemeRdPu = scheme$16; +exports.interpolateYlGnBu = YlGnBu; +exports.schemeYlGnBu = scheme$17; +exports.interpolateYlGn = YlGn; +exports.schemeYlGn = scheme$18; +exports.interpolateYlOrBr = YlOrBr; +exports.schemeYlOrBr = scheme$19; +exports.interpolateYlOrRd = YlOrRd; +exports.schemeYlOrRd = scheme$20; +exports.interpolateBlues = Blues; +exports.schemeBlues = scheme$21; +exports.interpolateGreens = Greens; +exports.schemeGreens = scheme$22; +exports.interpolateGreys = Greys; +exports.schemeGreys = scheme$23; +exports.interpolatePurples = Purples; +exports.schemePurples = scheme$24; +exports.interpolateReds = Reds; +exports.schemeReds = scheme$25; +exports.interpolateOranges = Oranges; +exports.schemeOranges = scheme$26; exports.interpolateCubehelixDefault = cubehelix$3; -exports.interpolateRainbow = rainbow$1; +exports.interpolateRainbow = rainbow; exports.interpolateWarm = warm; exports.interpolateCool = cool; +exports.interpolateSinebow = sinebow; exports.interpolateViridis = viridis; exports.interpolateMagma = magma; exports.interpolateInferno = inferno; exports.interpolatePlasma = plasma; -exports.scaleSequential = sequential; exports.create = create; exports.creator = creator; -exports.local = local$1; +exports.local = local; exports.matcher = matcher$1; exports.mouse = mouse; exports.namespace = namespace; @@ -17046,7 +17681,7 @@ exports.touches = touches; exports.window = defaultView; exports.customEvent = customEvent; exports.arc = arc; -exports.area = area$2; +exports.area = area$3; exports.line = line; exports.pie = pie; exports.areaRadial = areaRadial; @@ -17090,7 +17725,7 @@ exports.stackOffsetDiverging = diverging; exports.stackOffsetNone = none$1; exports.stackOffsetSilhouette = silhouette; exports.stackOffsetWiggle = wiggle; -exports.stackOrderAscending = ascending$2; +exports.stackOrderAscending = ascending$3; exports.stackOrderDescending = descending$2; exports.stackOrderInsideOut = insideOut; exports.stackOrderNone = none$2; diff --git a/app/assets/javascripts/d3.v5.min.js b/app/assets/javascripts/d3.v5.min.js new file mode 100644 index 0000000..d715d22 --- /dev/null +++ b/app/assets/javascripts/d3.v5.min.js @@ -0,0 +1,2 @@ +// https://d3js.org Version 5.4.0. 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e=Math.sqrt(n/P_),r=e*C_;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},R_=Math.sin(M_/10)/Math.sin(7*M_/10),L_=Math.sin(T_/10)*R_,D_=-Math.cos(T_/10)*R_,U_={draw:function(t,n){var e=Math.sqrt(.8908130915292852*n),r=L_*e,i=D_*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var a=T_*o/5,u=Math.cos(a),f=Math.sin(a);t.lineTo(f*e,-u*e),t.lineTo(u*r-f*i,f*r+u*i)}t.closePath()}},q_={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},O_=Math.sqrt(3),Y_={draw:function(t,n){var e=-Math.sqrt(n/(3*O_));t.moveTo(0,2*e),t.lineTo(-O_*e,-e),t.lineTo(O_*e,-e),t.closePath()}},B_=Math.sqrt(3)/2,F_=1/Math.sqrt(12),I_=3*(F_/2+1),j_={draw:function(t,n){var e=Math.sqrt(n/I_),r=e/2,i=e*F_,o=r,a=e*F_+e,u=-o,f=a;t.moveTo(r,i),t.lineTo(o,a),t.lineTo(u,f),t.lineTo(-.5*r-B_*i,B_*r+-.5*i),t.lineTo(-.5*o-B_*a,B_*o+-.5*a),t.lineTo(-.5*u-B_*f,B_*u+-.5*f),t.lineTo(-.5*r+B_*i,-.5*i-B_*r),t.lineTo(-.5*o+B_*a,-.5*a-B_*o),t.lineTo(-.5*u+B_*f,-.5*f-B_*u),t.closePath()}},H_=[E_,k_,z_,q_,U_,Y_,j_];Bf.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Yf(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Yf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Ff.prototype={areaStart:Of,areaEnd:Of,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Yf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},If.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Yf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},jf.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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[PATCH 32/42] Fix spacing --- lib/d3/rails/version.rb | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/d3/rails/version.rb b/lib/d3/rails/version.rb index 5ff27d8..72dd82d 100644 --- a/lib/d3/rails/version.rb +++ b/lib/d3/rails/version.rb @@ -1,5 +1,5 @@ module D3 module Rails - VERSION = " 5.4.0" + VERSION = "5.4.0" end end From 8719c77f70cb90b05565105bcf2219df33322743 Mon Sep 17 00:00:00 2001 From: Cscherban Date: Tue, 31 Jul 2018 01:28:10 -0400 Subject: [PATCH 33/42] Updated Readme, Changelog and version after running rake d3:update_version --- CHANGELOG.md | 3 ++ README.md | 2 +- app/assets/javascripts/d3.js | 46 +++++++++++++++++++++++++---- app/assets/javascripts/d3.min.js | 4 +-- app/assets/javascripts/d3.v5.js | 46 +++++++++++++++++++++++++---- app/assets/javascripts/d3.v5.min.js | 4 +-- lib/d3/rails/version.rb | 2 +- 7 files changed, 89 insertions(+), 18 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 23a0019..9d65b86 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## 5.5.0 (31 July 2018) +* Upgrade D3 to 5.5.0 + ## 5.4.0 (25 May 2018) * Upgrade D3 to 5.4.0 diff --git a/README.md b/README.md index 97a68c3..a225cde 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 5.4.0 of D3.js. The d3-rails version will +d3-rails comes with version 5.5.0 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index 016b8d2..e6e7e30 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,11 +1,11 @@ -// https://d3js.org Version 5.4.0. Copyright 2018 Mike Bostock. +// https://d3js.org Version 5.5.0. Copyright 2018 Mike Bostock. (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "5.4.0"; +var version = "5.5.0"; function ascending(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -13553,15 +13553,16 @@ function utcTime() { function sequential(interpolator) { var x0 = 0, x1 = 1, + k10 = 1, clamp = false; function scale(x) { - var t = (x - x0) / (x1 - x0); + var t = (x - x0) * k10; return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t); } scale.domain = function(_) { - return arguments.length ? (x0 = +_[0], x1 = +_[1], scale) : [x0, x1]; + return arguments.length ? (x0 = +_[0], x1 = +_[1], k10 = x0 === x1 ? 0 : 1 / (x1 - x0), scale) : [x0, x1]; }; scale.clamp = function(_) { @@ -13579,6 +13580,38 @@ function sequential(interpolator) { return linearish(scale); } +function diverging(interpolator) { + var x0 = 0, + x1 = 0.5, + x2 = 1, + k10 = 1, + k21 = 1, + clamp = false; + + function scale(x) { + var t = 0.5 + ((x = +x) - x1) * (x < x1 ? k10 : k21); + return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t); + } + + scale.domain = function(_) { + return arguments.length ? (x0 = +_[0], x1 = +_[1], x2 = +_[2], k10 = x0 === x1 ? 0 : 0.5 / (x1 - x0), k21 = x1 === x2 ? 0 : 0.5 / (x2 - x1), scale) : [x0, x1, x2]; + }; + + scale.clamp = function(_) { + return arguments.length ? (clamp = !!_, scale) : clamp; + }; + + scale.interpolator = function(_) { + return arguments.length ? (interpolator = _, scale) : interpolator; + }; + + scale.copy = function() { + return diverging(interpolator).domain([x0, x1, x2]).clamp(clamp); + }; + + return linearish(scale); +} + function colors(specifier) { var n = specifier.length / 6 | 0, colors = new Array(n), i = 0; while (i < n) colors[i] = "#" + specifier.slice(i * 6, ++i * 6); @@ -15777,7 +15810,7 @@ function expand(series, order) { none$1(series, order); } -function diverging(series, order) { +function diverging$1(series, order) { if (!((n = series.length) > 1)) return; for (var i, j = 0, d, dy, yp, yn, n, m = series[order[0]].length; j < m; ++j) { for (yp = yn = 0, i = 0; i < n; ++i) { @@ -17590,6 +17623,7 @@ exports.scaleThreshold = threshold$1; exports.scaleTime = time; exports.scaleUtc = utcTime; exports.scaleSequential = sequential; +exports.scaleDiverging = diverging; exports.schemeCategory10 = category10; exports.schemeAccent = Accent; exports.schemeDark2 = Dark2; @@ -17721,7 +17755,7 @@ exports.curveStepAfter = stepAfter; exports.curveStepBefore = stepBefore; exports.stack = stack; exports.stackOffsetExpand = expand; -exports.stackOffsetDiverging = diverging; +exports.stackOffsetDiverging = diverging$1; exports.stackOffsetNone = none$1; exports.stackOffsetSilhouette = silhouette; exports.stackOffsetWiggle = wiggle; diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index d715d22..018c862 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,2 +1,2 @@ -// https://d3js.org Version 5.4.0. 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e=Math.sqrt(n/P_),r=e*C_;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},R_=Math.sin(M_/10)/Math.sin(7*M_/10),L_=Math.sin(T_/10)*R_,D_=-Math.cos(T_/10)*R_,U_={draw:function(t,n){var e=Math.sqrt(.8908130915292852*n),r=L_*e,i=D_*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var a=T_*o/5,u=Math.cos(a),f=Math.sin(a);t.lineTo(f*e,-u*e),t.lineTo(u*r-f*i,f*r+u*i)}t.closePath()}},q_={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},O_=Math.sqrt(3),Y_={draw:function(t,n){var e=-Math.sqrt(n/(3*O_));t.moveTo(0,2*e),t.lineTo(-O_*e,-e),t.lineTo(O_*e,-e),t.closePath()}},B_=Math.sqrt(3)/2,F_=1/Math.sqrt(12),I_=3*(F_/2+1),j_={draw:function(t,n){var e=Math.sqrt(n/I_),r=e/2,i=e*F_,o=r,a=e*F_+e,u=-o,f=a;t.moveTo(r,i),t.lineTo(o,a),t.lineTo(u,f),t.lineTo(-.5*r-B_*i,B_*r+-.5*i),t.lineTo(-.5*o-B_*a,B_*o+-.5*a),t.lineTo(-.5*u-B_*f,B_*u+-.5*f),t.lineTo(-.5*r+B_*i,-.5*i-B_*r),t.lineTo(-.5*o+B_*a,-.5*a-B_*o),t.lineTo(-.5*u+B_*f,-.5*f-B_*u),t.closePath()}},H_=[E_,k_,z_,q_,U_,Y_,j_];Bf.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Yf(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Yf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Ff.prototype={areaStart:Of,areaEnd:Of,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Yf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},If.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Yf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},jf.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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e=Math.sqrt(n/z_),r=e*P_;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},L_=Math.sin(A_/10)/Math.sin(7*A_/10),D_=Math.sin(N_/10)*L_,U_=-Math.cos(N_/10)*L_,q_={draw:function(t,n){var e=Math.sqrt(.8908130915292852*n),r=D_*e,i=U_*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var a=N_*o/5,u=Math.cos(a),f=Math.sin(a);t.lineTo(f*e,-u*e),t.lineTo(u*r-f*i,f*r+u*i)}t.closePath()}},O_={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},Y_=Math.sqrt(3),B_={draw:function(t,n){var e=-Math.sqrt(n/(3*Y_));t.moveTo(0,2*e),t.lineTo(-Y_*e,-e),t.lineTo(Y_*e,-e),t.closePath()}},F_=Math.sqrt(3)/2,I_=1/Math.sqrt(12),j_=3*(I_/2+1),H_={draw:function(t,n){var e=Math.sqrt(n/j_),r=e/2,i=e*I_,o=r,a=e*I_+e,u=-o,f=a;t.moveTo(r,i),t.lineTo(o,a),t.lineTo(u,f),t.lineTo(-.5*r-F_*i,F_*r+-.5*i),t.lineTo(-.5*o-F_*a,F_*o+-.5*a),t.lineTo(-.5*u-F_*f,F_*u+-.5*f),t.lineTo(-.5*r+F_*i,-.5*i-F_*r),t.lineTo(-.5*o+F_*a,-.5*a-F_*o),t.lineTo(-.5*u+F_*f,-.5*f-F_*u),t.closePath()}},X_=[k_,C_,R_,O_,q_,B_,H_];Ff.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Bf(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 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2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Bf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},jf.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Bf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Hf.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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e=Math.sqrt(n/P_),r=e*C_;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},R_=Math.sin(M_/10)/Math.sin(7*M_/10),L_=Math.sin(T_/10)*R_,D_=-Math.cos(T_/10)*R_,U_={draw:function(t,n){var e=Math.sqrt(.8908130915292852*n),r=L_*e,i=D_*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var a=T_*o/5,u=Math.cos(a),f=Math.sin(a);t.lineTo(f*e,-u*e),t.lineTo(u*r-f*i,f*r+u*i)}t.closePath()}},q_={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},O_=Math.sqrt(3),Y_={draw:function(t,n){var e=-Math.sqrt(n/(3*O_));t.moveTo(0,2*e),t.lineTo(-O_*e,-e),t.lineTo(O_*e,-e),t.closePath()}},B_=Math.sqrt(3)/2,F_=1/Math.sqrt(12),I_=3*(F_/2+1),j_={draw:function(t,n){var e=Math.sqrt(n/I_),r=e/2,i=e*F_,o=r,a=e*F_+e,u=-o,f=a;t.moveTo(r,i),t.lineTo(o,a),t.lineTo(u,f),t.lineTo(-.5*r-B_*i,B_*r+-.5*i),t.lineTo(-.5*o-B_*a,B_*o+-.5*a),t.lineTo(-.5*u-B_*f,B_*u+-.5*f),t.lineTo(-.5*r+B_*i,-.5*i-B_*r),t.lineTo(-.5*o+B_*a,-.5*a-B_*o),t.lineTo(-.5*u+B_*f,-.5*f-B_*u),t.closePath()}},H_=[E_,k_,z_,q_,U_,Y_,j_];Bf.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Yf(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Yf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Ff.prototype={areaStart:Of,areaEnd:Of,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Yf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},If.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Yf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},jf.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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e=Math.sqrt(n/z_),r=e*P_;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},L_=Math.sin(A_/10)/Math.sin(7*A_/10),D_=Math.sin(N_/10)*L_,U_=-Math.cos(N_/10)*L_,q_={draw:function(t,n){var e=Math.sqrt(.8908130915292852*n),r=D_*e,i=U_*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var a=N_*o/5,u=Math.cos(a),f=Math.sin(a);t.lineTo(f*e,-u*e),t.lineTo(u*r-f*i,f*r+u*i)}t.closePath()}},O_={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},Y_=Math.sqrt(3),B_={draw:function(t,n){var e=-Math.sqrt(n/(3*Y_));t.moveTo(0,2*e),t.lineTo(-Y_*e,-e),t.lineTo(Y_*e,-e),t.closePath()}},F_=Math.sqrt(3)/2,I_=1/Math.sqrt(12),j_=3*(I_/2+1),H_={draw:function(t,n){var e=Math.sqrt(n/j_),r=e/2,i=e*I_,o=r,a=e*I_+e,u=-o,f=a;t.moveTo(r,i),t.lineTo(o,a),t.lineTo(u,f),t.lineTo(-.5*r-F_*i,F_*r+-.5*i),t.lineTo(-.5*o-F_*a,F_*o+-.5*a),t.lineTo(-.5*u-F_*f,F_*u+-.5*f),t.lineTo(-.5*r+F_*i,-.5*i-F_*r),t.lineTo(-.5*o+F_*a,-.5*a-F_*o),t.lineTo(-.5*u+F_*f,-.5*f-F_*u),t.closePath()}},X_=[k_,C_,R_,O_,q_,B_,H_];Ff.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Bf(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 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2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Bf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},jf.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Bf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Hf.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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index a225cde..6525cd8 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 5.5.0 of D3.js. The d3-rails version will +d3-rails comes with version 5.7.0 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index e6e7e30..9af5650 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,11 +1,11 @@ -// https://d3js.org Version 5.5.0. Copyright 2018 Mike Bostock. +// https://d3js.org v5.7.0 Copyright 2018 Mike Bostock (function (global, factory) { - typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : - typeof define === 'function' && define.amd ? define(['exports'], factory) : - (factory((global.d3 = global.d3 || {}))); +typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : +typeof define === 'function' && define.amd ? define(['exports'], factory) : +(factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "5.5.0"; +var version = "5.7.0"; function ascending(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -269,7 +269,7 @@ function histogram() { // Convert number of thresholds into uniform thresholds. if (!Array.isArray(tz)) { tz = tickStep(x0, x1, tz); - tz = sequence(Math.ceil(x0 / tz) * tz, Math.floor(x1 / tz) * tz, tz); // exclusive + tz = sequence(Math.ceil(x0 / tz) * tz, x1, tz); // exclusive } // Remove any thresholds outside the domain. @@ -622,16 +622,16 @@ function axis(orient, scale) { path = path.merge(path.enter().insert("path", ".tick") .attr("class", "domain") - .attr("stroke", "#000")); + .attr("stroke", "currentColor")); tick = tick.merge(tickEnter); line = line.merge(tickEnter.append("line") - .attr("stroke", "#000") + .attr("stroke", "currentColor") .attr(x + "2", k * tickSizeInner)); text = text.merge(tickEnter.append("text") - .attr("fill", "#000") + .attr("fill", "currentColor") .attr(x, k * spacing) .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); @@ -654,8 +654,8 @@ function axis(orient, scale) { path .attr("d", orient === left || orient == right - ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter - : "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter); + ? (tickSizeOuter ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter : "M0.5," + range0 + "V" + range1) + : (tickSizeOuter ? "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter : "M" + range0 + ",0.5H" + range1)); tick .attr("opacity", 1) @@ -2672,7 +2672,7 @@ function date(a, b) { }; } -function reinterpolate(a, b) { +function interpolateNumber(a, b) { return a = +a, b -= a, function(t) { return a + b * t; }; @@ -2740,7 +2740,7 @@ function interpolateString(a, b) { else s[++i] = bm; } else { // interpolate non-matching numbers s[++i] = null; - q.push({i: i, x: reinterpolate(am, bm)}); + q.push({i: i, x: interpolateNumber(am, bm)}); } bi = reB.lastIndex; } @@ -2766,13 +2766,28 @@ function interpolateString(a, b) { function interpolateValue(a, b) { var t = typeof b, c; return b == null || t === "boolean" ? constant$3(b) - : (t === "number" ? reinterpolate + : (t === "number" ? interpolateNumber : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) : b instanceof color ? interpolateRgb : b instanceof Date ? date : Array.isArray(b) ? array$1 : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object - : reinterpolate)(a, b); + : interpolateNumber)(a, b); +} + +function discrete(range) { + var n = range.length; + return function(t) { + return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; + }; +} + +function hue$1(a, b) { + var i = hue(+a, +b); + return function(t) { + var x = i(t); + return x - 360 * Math.floor(x / 360); + }; } function interpolateRound(a, b) { @@ -2841,7 +2856,7 @@ function interpolateTransform(parse, pxComma, pxParen, degParen) { function translate(xa, ya, xb, yb, s, q) { if (xa !== xb || ya !== yb) { var i = s.push("translate(", null, pxComma, null, pxParen); - q.push({i: i - 4, x: reinterpolate(xa, xb)}, {i: i - 2, x: reinterpolate(ya, yb)}); + q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); } else if (xb || yb) { s.push("translate(" + xb + pxComma + yb + pxParen); } @@ -2850,7 +2865,7 @@ function interpolateTransform(parse, pxComma, pxParen, degParen) { function rotate(a, b, s, q) { if (a !== b) { if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path - q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: reinterpolate(a, b)}); + q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: interpolateNumber(a, b)}); } else if (b) { s.push(pop(s) + "rotate(" + b + degParen); } @@ -2858,7 +2873,7 @@ function interpolateTransform(parse, pxComma, pxParen, degParen) { function skewX(a, b, s, q) { if (a !== b) { - q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: reinterpolate(a, b)}); + q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: interpolateNumber(a, b)}); } else if (b) { s.push(pop(s) + "skewX(" + b + degParen); } @@ -2867,7 +2882,7 @@ function interpolateTransform(parse, pxComma, pxParen, degParen) { function scale(xa, ya, xb, yb, s, q) { if (xa !== xb || ya !== yb) { var i = s.push(pop(s) + "scale(", null, ",", null, ")"); - q.push({i: i - 4, x: reinterpolate(xa, xb)}, {i: i - 2, x: reinterpolate(ya, yb)}); + q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); } else if (xb !== 1 || yb !== 1) { s.push(pop(s) + "scale(" + xb + "," + yb + ")"); } @@ -3449,7 +3464,7 @@ function tweenValue(transition, name, value) { function interpolate(a, b) { var c; - return (typeof b === "number" ? reinterpolate + return (typeof b === "number" ? interpolateNumber : b instanceof color ? interpolateRgb : (c = color(b)) ? (b = c, interpolateRgb) : interpolateString)(a, b); @@ -4909,7 +4924,7 @@ Path.prototype = path.prototype = { } // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. - else if (!(l01_2 > epsilon$1)) {} + else if (!(l01_2 > epsilon$1)); // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? // Equivalently, is (x1,y1) coincident with (x2,y2)? @@ -5061,7 +5076,7 @@ function ribbon() { }; ribbon.context = function(_) { - return arguments.length ? (context = _ == null ? null : _, ribbon) : context; + return arguments.length ? ((context = _ == null ? null : _), ribbon) : context; }; return ribbon; @@ -5565,9 +5580,14 @@ function defaultY(d) { return d[1]; } +function defaultWeight() { + return 1; +} + function density() { var x = defaultX, y = defaultY, + weight = defaultWeight, dx = 960, dy = 500, r = 20, // blur radius @@ -5582,10 +5602,11 @@ function density() { values1 = new Float32Array(n * m); data.forEach(function(d, i, data) { - var xi = (x(d, i, data) + o) >> k, - yi = (y(d, i, data) + o) >> k; + var xi = (+x(d, i, data) + o) >> k, + yi = (+y(d, i, data) + o) >> k, + wi = +weight(d, i, data); if (xi >= 0 && xi < n && yi >= 0 && yi < m) { - ++values0[xi + yi * n]; + values0[xi + yi * n] += wi; } }); @@ -5649,6 +5670,10 @@ function density() { return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), density) : y; }; + density.weight = function(_) { + return arguments.length ? (weight = typeof _ === "function" ? _ : constant$6(+_), density) : weight; + }; + density.size = function(_) { if (!arguments.length) return [dx, dy]; var _0 = Math.ceil(_[0]), _1 = Math.ceil(_[1]); @@ -6219,7 +6244,7 @@ function tree_remove(d) { if (next = node.next) delete node.next; // If there are multiple coincident points, remove just the point. - if (previous) return next ? previous.next = next : delete previous.next, this; + if (previous) return (next ? previous.next = next : delete previous.next), this; // If this is the root point, remove it. if (!parent) return this._root = next, this; @@ -6683,7 +6708,7 @@ function simulation(nodes) { }, force: function(name, _) { - return arguments.length > 1 ? (_ == null ? forces.remove(name) : forces.set(name, initializeForce(_)), simulation) : forces.get(name); + return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); }, find: function(x, y, radius) { @@ -7008,7 +7033,7 @@ function formatNumerals(numerals) { } // [[fill]align][sign][symbol][0][width][,][.precision][~][type] -var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i; +var re = /^(?:(.)?([<>=^]))?([+\-( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i; function formatSpecifier(specifier) { return new FormatSpecifier(specifier); @@ -9875,7 +9900,8 @@ function albersUsa() { function albersUsa(coordinates) { var x = coordinates[0], y = coordinates[1]; - return point = null, (lower48Point.point(x, y), point) + return point = null, + (lower48Point.point(x, y), point) || (alaskaPoint.point(x, y), point) || (hawaiiPoint.point(x, y), point); } @@ -10039,7 +10065,7 @@ function mercatorProjection(project) { }; m.clipExtent = function(_) { - return arguments.length ? (_ == null ? x0 = y0 = x1 = y1 = null : (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reclip()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + return arguments.length ? ((_ == null ? x0 = y0 = x1 = y1 = null : (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1])), reclip()) : x0 == null ? null : [[x0, y0], [x1, y1]]; }; function reclip() { @@ -10123,6 +10149,40 @@ function conicEquidistant() { .center([0, 13.9389]); } +var A1 = 1.340264, + A2 = -0.081106, + A3 = 0.000893, + A4 = 0.003796, + M = sqrt(3) / 2, + iterations = 12; + +function equalEarthRaw(lambda, phi) { + var l = asin(M * sin$1(phi)), l2 = l * l, l6 = l2 * l2 * l2; + return [ + lambda * cos$1(l) / (M * (A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2))), + l * (A1 + A2 * l2 + l6 * (A3 + A4 * l2)) + ]; +} + +equalEarthRaw.invert = function(x, y) { + var l = y, l2 = l * l, l6 = l2 * l2 * l2; + for (var i = 0, delta, fy, fpy; i < iterations; ++i) { + fy = l * (A1 + A2 * l2 + l6 * (A3 + A4 * l2)) - y; + fpy = A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2); + l -= delta = fy / fpy, l2 = l * l, l6 = l2 * l2 * l2; + if (abs(delta) < epsilon2$1) break; + } + return [ + M * x * (A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2)) / cos$1(l), + asin(sin$1(l) / M) + ]; +}; + +function equalEarth() { + return projection(equalEarthRaw) + .scale(177.158); +} + function gnomonicRaw(x, y) { var cy = cos$1(y), k = cos$1(x) * cy; return [cy * sin$1(x) / k, sin$1(y) / k]; @@ -11916,7 +11976,7 @@ function point$1() { return pointish(band().paddingInner(1)); } -function constant$10(x) { +function constant$a(x) { return function() { return x; }; @@ -11931,7 +11991,7 @@ var unit = [0, 1]; function deinterpolateLinear(a, b) { return (b -= (a = +a)) ? function(x) { return (x - a) / b; } - : constant$10(b); + : constant$a(b); } function deinterpolateClamp(deinterpolate) { @@ -11941,21 +12001,21 @@ function deinterpolateClamp(deinterpolate) { }; } -function reinterpolateClamp(reinterpolate$$1) { +function reinterpolateClamp(reinterpolate) { return function(a, b) { - var r = reinterpolate$$1(a = +a, b = +b); + var r = reinterpolate(a = +a, b = +b); return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; }; } -function bimap(domain, range, deinterpolate, reinterpolate$$1) { +function bimap(domain, range, deinterpolate, reinterpolate) { var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; - if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate$$1(r1, r0); - else d0 = deinterpolate(d0, d1), r0 = reinterpolate$$1(r0, r1); + if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); + else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); return function(x) { return r0(d0(x)); }; } -function polymap(domain, range, deinterpolate, reinterpolate$$1) { +function polymap(domain, range, deinterpolate, reinterpolate) { var j = Math.min(domain.length, range.length) - 1, d = new Array(j), r = new Array(j), @@ -11969,7 +12029,7 @@ function polymap(domain, range, deinterpolate, reinterpolate$$1) { while (++i < j) { d[i] = deinterpolate(domain[i], domain[i + 1]); - r[i] = reinterpolate$$1(range[i], range[i + 1]); + r[i] = reinterpolate(range[i], range[i + 1]); } return function(x) { @@ -11988,7 +12048,7 @@ function copy(source, target) { // deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. // reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. -function continuous(deinterpolate, reinterpolate$$1) { +function continuous(deinterpolate, reinterpolate) { var domain = unit, range = unit, interpolate$$1 = interpolateValue, @@ -12008,7 +12068,7 @@ function continuous(deinterpolate, reinterpolate$$1) { } scale.invert = function(y) { - return (input || (input = piecewise$$1(range, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate$$1) : reinterpolate$$1)))(+y); + return (input || (input = piecewise$$1(range, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); }; scale.domain = function(_) { @@ -12119,7 +12179,7 @@ function linearish(scale) { } function linear$2() { - var scale = continuous(deinterpolateLinear, reinterpolate); + var scale = continuous(deinterpolateLinear, interpolateNumber); scale.copy = function() { return copy(scale, linear$2()); @@ -12170,10 +12230,10 @@ function nice(domain, interval) { function deinterpolate(a, b) { return (b = Math.log(b / a)) ? function(x) { return Math.log(x / a) / b; } - : constant$10(b); + : constant$a(b); } -function reinterpolate$1(a, b) { +function reinterpolate(a, b) { return a < 0 ? function(t) { return -Math.pow(-b, t) * Math.pow(-a, 1 - t); } : function(t) { return Math.pow(b, t) * Math.pow(a, 1 - t); }; @@ -12203,7 +12263,7 @@ function reflect(f) { } function log$1() { - var scale = continuous(deinterpolate, reinterpolate$1).domain([1, 10]), + var scale = continuous(deinterpolate, reinterpolate).domain([1, 10]), domain = scale.domain, base = 10, logs = logp(10), @@ -12302,7 +12362,7 @@ function pow$1() { function deinterpolate(a, b) { return (b = raise$1(b, exponent) - (a = raise$1(a, exponent))) ? function(x) { return (raise$1(x, exponent) - a) / b; } - : constant$10(b); + : constant$a(b); } function reinterpolate(a, b) { @@ -13435,7 +13495,7 @@ function number$3(t) { } function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format) { - var scale = continuous(deinterpolateLinear, reinterpolate), + var scale = continuous(deinterpolateLinear, interpolateNumber), invert = scale.invert, domain = scale.domain; @@ -13778,7 +13838,7 @@ var scheme$9 = new Array(3).concat( var BuGn = ramp(scheme$9); -var scheme$10 = new Array(3).concat( +var scheme$a = new Array(3).concat( "e0ecf49ebcda8856a7", "edf8fbb3cde38c96c688419d", "edf8fbb3cde38c96c68856a7810f7c", @@ -13788,9 +13848,9 @@ var scheme$10 = new Array(3).concat( "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d810f7c4d004b" ).map(colors); -var BuPu = ramp(scheme$10); +var BuPu = ramp(scheme$a); -var scheme$11 = new Array(3).concat( +var scheme$b = new Array(3).concat( "e0f3dba8ddb543a2ca", "f0f9e8bae4bc7bccc42b8cbe", "f0f9e8bae4bc7bccc443a2ca0868ac", @@ -13800,9 +13860,9 @@ var scheme$11 = new Array(3).concat( "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe0868ac084081" ).map(colors); -var GnBu = ramp(scheme$11); +var GnBu = ramp(scheme$b); -var scheme$12 = new Array(3).concat( +var scheme$c = new Array(3).concat( "fee8c8fdbb84e34a33", "fef0d9fdcc8afc8d59d7301f", "fef0d9fdcc8afc8d59e34a33b30000", @@ -13812,9 +13872,9 @@ var scheme$12 = new Array(3).concat( "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301fb300007f0000" ).map(colors); -var OrRd = ramp(scheme$12); +var OrRd = ramp(scheme$c); -var scheme$13 = new Array(3).concat( +var scheme$d = new Array(3).concat( "ece2f0a6bddb1c9099", "f6eff7bdc9e167a9cf02818a", "f6eff7bdc9e167a9cf1c9099016c59", @@ -13824,9 +13884,9 @@ var scheme$13 = new Array(3).concat( "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016c59014636" ).map(colors); -var PuBuGn = ramp(scheme$13); +var PuBuGn = ramp(scheme$d); -var scheme$14 = new Array(3).concat( +var scheme$e = new Array(3).concat( "ece7f2a6bddb2b8cbe", "f1eef6bdc9e174a9cf0570b0", "f1eef6bdc9e174a9cf2b8cbe045a8d", @@ -13836,9 +13896,9 @@ var scheme$14 = new Array(3).concat( "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0045a8d023858" ).map(colors); -var PuBu = ramp(scheme$14); +var PuBu = ramp(scheme$e); -var scheme$15 = new Array(3).concat( +var scheme$f = new Array(3).concat( "e7e1efc994c7dd1c77", "f1eef6d7b5d8df65b0ce1256", "f1eef6d7b5d8df65b0dd1c77980043", @@ -13848,9 +13908,9 @@ var scheme$15 = new Array(3).concat( "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125698004367001f" ).map(colors); -var PuRd = ramp(scheme$15); +var PuRd = ramp(scheme$f); -var scheme$16 = new Array(3).concat( +var scheme$g = new Array(3).concat( "fde0ddfa9fb5c51b8a", "feebe2fbb4b9f768a1ae017e", "feebe2fbb4b9f768a1c51b8a7a0177", @@ -13860,9 +13920,9 @@ var scheme$16 = new Array(3).concat( "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a017749006a" ).map(colors); -var RdPu = ramp(scheme$16); +var RdPu = ramp(scheme$g); -var scheme$17 = new Array(3).concat( +var scheme$h = new Array(3).concat( "edf8b17fcdbb2c7fb8", "ffffcca1dab441b6c4225ea8", "ffffcca1dab441b6c42c7fb8253494", @@ -13872,9 +13932,9 @@ var scheme$17 = new Array(3).concat( "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea8253494081d58" ).map(colors); -var YlGnBu = ramp(scheme$17); +var YlGnBu = ramp(scheme$h); -var scheme$18 = new Array(3).concat( +var scheme$i = new Array(3).concat( "f7fcb9addd8e31a354", "ffffccc2e69978c679238443", "ffffccc2e69978c67931a354006837", @@ -13884,9 +13944,9 @@ var scheme$18 = new Array(3).concat( "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443006837004529" ).map(colors); -var YlGn = ramp(scheme$18); +var YlGn = ramp(scheme$i); -var scheme$19 = new Array(3).concat( +var scheme$j = new Array(3).concat( "fff7bcfec44fd95f0e", "ffffd4fed98efe9929cc4c02", "ffffd4fed98efe9929d95f0e993404", @@ -13896,9 +13956,9 @@ var scheme$19 = new Array(3).concat( "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c02993404662506" ).map(colors); -var YlOrBr = ramp(scheme$19); +var YlOrBr = ramp(scheme$j); -var scheme$20 = new Array(3).concat( +var scheme$k = new Array(3).concat( "ffeda0feb24cf03b20", "ffffb2fecc5cfd8d3ce31a1c", "ffffb2fecc5cfd8d3cf03b20bd0026", @@ -13908,9 +13968,9 @@ var scheme$20 = new Array(3).concat( "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cbd0026800026" ).map(colors); -var YlOrRd = ramp(scheme$20); +var YlOrRd = ramp(scheme$k); -var scheme$21 = new Array(3).concat( +var scheme$l = new Array(3).concat( "deebf79ecae13182bd", "eff3ffbdd7e76baed62171b5", "eff3ffbdd7e76baed63182bd08519c", @@ -13920,9 +13980,9 @@ var scheme$21 = new Array(3).concat( "f7fbffdeebf7c6dbef9ecae16baed64292c62171b508519c08306b" ).map(colors); -var Blues = ramp(scheme$21); +var Blues = ramp(scheme$l); -var scheme$22 = new Array(3).concat( +var scheme$m = new Array(3).concat( "e5f5e0a1d99b31a354", "edf8e9bae4b374c476238b45", "edf8e9bae4b374c47631a354006d2c", @@ -13932,9 +13992,9 @@ var scheme$22 = new Array(3).concat( "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45006d2c00441b" ).map(colors); -var Greens = ramp(scheme$22); +var Greens = ramp(scheme$m); -var scheme$23 = new Array(3).concat( +var scheme$n = new Array(3).concat( "f0f0f0bdbdbd636363", "f7f7f7cccccc969696525252", "f7f7f7cccccc969696636363252525", @@ -13944,9 +14004,9 @@ var scheme$23 = new Array(3).concat( "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525000000" ).map(colors); -var Greys = ramp(scheme$23); +var Greys = ramp(scheme$n); -var scheme$24 = new Array(3).concat( +var scheme$o = new Array(3).concat( "efedf5bcbddc756bb1", "f2f0f7cbc9e29e9ac86a51a3", "f2f0f7cbc9e29e9ac8756bb154278f", @@ -13956,9 +14016,9 @@ var scheme$24 = new Array(3).concat( "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a354278f3f007d" ).map(colors); -var Purples = ramp(scheme$24); +var Purples = ramp(scheme$o); -var scheme$25 = new Array(3).concat( +var scheme$p = new Array(3).concat( "fee0d2fc9272de2d26", "fee5d9fcae91fb6a4acb181d", "fee5d9fcae91fb6a4ade2d26a50f15", @@ -13968,9 +14028,9 @@ var scheme$25 = new Array(3).concat( "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181da50f1567000d" ).map(colors); -var Reds = ramp(scheme$25); +var Reds = ramp(scheme$p); -var scheme$26 = new Array(3).concat( +var scheme$q = new Array(3).concat( "fee6cefdae6be6550d", "feeddefdbe85fd8d3cd94701", "feeddefdbe85fd8d3ce6550da63603", @@ -13980,7 +14040,7 @@ var scheme$26 = new Array(3).concat( "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d94801a636037f2704" ).map(colors); -var Oranges = ramp(scheme$26); +var Oranges = ramp(scheme$q); var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); @@ -14027,7 +14087,7 @@ var inferno = ramp$1(colors("00000401000501010601010802010a02020c02020e030210040 var plasma = ramp$1(colors("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")); -function constant$11(x) { +function constant$b(x) { return function constant() { return x; }; @@ -14127,7 +14187,7 @@ function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { function arc() { var innerRadius = arcInnerRadius, outerRadius = arcOuterRadius, - cornerRadius = constant$11(0), + cornerRadius = constant$b(0), padRadius = null, startAngle = arcStartAngle, endAngle = arcEndAngle, @@ -14276,35 +14336,35 @@ function arc() { }; arc.innerRadius = function(_) { - return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$11(+_), arc) : innerRadius; + return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$b(+_), arc) : innerRadius; }; arc.outerRadius = function(_) { - return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$11(+_), arc) : outerRadius; + return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$b(+_), arc) : outerRadius; }; arc.cornerRadius = function(_) { - return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$11(+_), arc) : cornerRadius; + return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$b(+_), arc) : cornerRadius; }; arc.padRadius = function(_) { - return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$11(+_), arc) : padRadius; + return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$b(+_), arc) : padRadius; }; arc.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$11(+_), arc) : startAngle; + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$b(+_), arc) : startAngle; }; arc.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$11(+_), arc) : endAngle; + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$b(+_), arc) : endAngle; }; arc.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$11(+_), arc) : padAngle; + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$b(+_), arc) : padAngle; }; arc.context = function(_) { - return arguments.length ? (context = _ == null ? null : _, arc) : context; + return arguments.length ? ((context = _ == null ? null : _), arc) : context; }; return arc; @@ -14353,7 +14413,7 @@ function y$3(p) { function line() { var x$$1 = x$3, y$$1 = y$3, - defined = constant$11(true), + defined = constant$b(true), context = null, curve = curveLinear, output = null; @@ -14379,15 +14439,15 @@ function line() { } line.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$11(+_), line) : x$$1; + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$b(+_), line) : x$$1; }; line.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$11(+_), line) : y$$1; + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$b(+_), line) : y$$1; }; line.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$11(!!_), line) : defined; + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$b(!!_), line) : defined; }; line.curve = function(_) { @@ -14404,9 +14464,9 @@ function line() { function area$3() { var x0 = x$3, x1 = null, - y0 = constant$11(0), + y0 = constant$b(0), y1 = y$3, - defined = constant$11(true), + defined = constant$b(true), context = null, curve = curveLinear, output = null; @@ -14454,27 +14514,27 @@ function area$3() { } area.x = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$11(+_), x1 = null, area) : x0; + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$b(+_), x1 = null, area) : x0; }; area.x0 = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$11(+_), area) : x0; + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$b(+_), area) : x0; }; area.x1 = function(_) { - return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$11(+_), area) : x1; + return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$b(+_), area) : x1; }; area.y = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$11(+_), y1 = null, area) : y0; + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$b(+_), y1 = null, area) : y0; }; area.y0 = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$11(+_), area) : y0; + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$b(+_), area) : y0; }; area.y1 = function(_) { - return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$11(+_), area) : y1; + return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$b(+_), area) : y1; }; area.lineX0 = @@ -14491,7 +14551,7 @@ function area$3() { }; area.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$11(!!_), area) : defined; + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$b(!!_), area) : defined; }; area.curve = function(_) { @@ -14517,9 +14577,9 @@ function pie() { var value = identity$7, sortValues = descending$1, sort = null, - startAngle = constant$11(0), - endAngle = constant$11(tau$4), - padAngle = constant$11(0); + startAngle = constant$b(0), + endAngle = constant$b(tau$4), + padAngle = constant$b(0); function pie(data) { var i, @@ -14562,7 +14622,7 @@ function pie() { } pie.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$11(+_), pie) : value; + return arguments.length ? (value = typeof _ === "function" ? _ : constant$b(+_), pie) : value; }; pie.sortValues = function(_) { @@ -14574,15 +14634,15 @@ function pie() { }; pie.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$11(+_), pie) : startAngle; + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$b(+_), pie) : startAngle; }; pie.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$11(+_), pie) : endAngle; + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$b(+_), pie) : endAngle; }; pie.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$11(+_), pie) : padAngle; + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$b(+_), pie) : padAngle; }; return pie; @@ -14703,15 +14763,15 @@ function link$2(curve) { }; link.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$11(+_), link) : x$$1; + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$b(+_), link) : x$$1; }; link.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$11(+_), link) : y$$1; + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$b(+_), link) : y$$1; }; link.context = function(_) { - return arguments.length ? (context = _ == null ? null : _, link) : context; + return arguments.length ? ((context = _ == null ? null : _), link) : context; }; return link; @@ -14874,8 +14934,8 @@ var symbols = [ ]; function symbol() { - var type = constant$11(circle$2), - size = constant$11(64), + var type = constant$b(circle$2), + size = constant$b(64), context = null; function symbol() { @@ -14886,11 +14946,11 @@ function symbol() { } symbol.type = function(_) { - return arguments.length ? (type = typeof _ === "function" ? _ : constant$11(_), symbol) : type; + return arguments.length ? (type = typeof _ === "function" ? _ : constant$b(_), symbol) : type; }; symbol.size = function(_) { - return arguments.length ? (size = typeof _ === "function" ? _ : constant$11(+_), symbol) : size; + return arguments.length ? (size = typeof _ === "function" ? _ : constant$b(+_), symbol) : size; }; symbol.context = function(_) { @@ -15753,7 +15813,7 @@ function stackValue(d, key) { } function stack() { - var keys = constant$11([]), + var keys = constant$b([]), order = none$2, offset = none$1, value = stackValue; @@ -15783,15 +15843,15 @@ function stack() { } stack.keys = function(_) { - return arguments.length ? (keys = typeof _ === "function" ? _ : constant$11(slice$6.call(_)), stack) : keys; + return arguments.length ? (keys = typeof _ === "function" ? _ : constant$b(slice$6.call(_)), stack) : keys; }; stack.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$11(+_), stack) : value; + return arguments.length ? (value = typeof _ === "function" ? _ : constant$b(+_), stack) : value; }; stack.order = function(_) { - return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$11(slice$6.call(_)), stack) : order; + return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$b(slice$6.call(_)), stack) : order; }; stack.offset = function(_) { @@ -15901,7 +15961,7 @@ function reverse(series) { return none$2(series).reverse(); } -function constant$12(x) { +function constant$c(x) { return function() { return x; }; @@ -16870,11 +16930,11 @@ function voronoi() { }; voronoi.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$12(+_), voronoi) : x$$1; + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$c(+_), voronoi) : x$$1; }; voronoi.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$12(+_), voronoi) : y$$1; + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$c(+_), voronoi) : y$$1; }; voronoi.extent = function(_) { @@ -16888,7 +16948,7 @@ function voronoi() { return voronoi; } -function constant$13(x) { +function constant$d(x) { return function() { return x; }; @@ -17329,19 +17389,19 @@ function zoom() { } zoom.wheelDelta = function(_) { - return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant$13(+_), zoom) : wheelDelta; + return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant$d(+_), zoom) : wheelDelta; }; zoom.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$13(!!_), zoom) : filter; + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$d(!!_), zoom) : filter; }; zoom.touchable = function(_) { - return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$13(!!_), zoom) : touchable; + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$d(!!_), zoom) : touchable; }; zoom.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$13([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$d([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; }; zoom.scaleExtent = function(_) { @@ -17536,6 +17596,8 @@ exports.geoConicEqualArea = conicEqualArea; exports.geoConicEqualAreaRaw = conicEqualAreaRaw; exports.geoConicEquidistant = conicEquidistant; exports.geoConicEquidistantRaw = conicEquidistantRaw; +exports.geoEqualEarth = equalEarth; +exports.geoEqualEarthRaw = equalEarthRaw; exports.geoEquirectangular = equirectangular; exports.geoEquirectangularRaw = equirectangularRaw; exports.geoGnomonic = gnomonic; @@ -17576,7 +17638,9 @@ exports.interpolateArray = array$1; exports.interpolateBasis = basis$1; exports.interpolateBasisClosed = basisClosed; exports.interpolateDate = date; -exports.interpolateNumber = reinterpolate; +exports.interpolateDiscrete = discrete; +exports.interpolateHue = hue$1; +exports.interpolateNumber = interpolateNumber; exports.interpolateObject = object; exports.interpolateRound = interpolateRound; exports.interpolateString = interpolateString; @@ -17654,39 +17718,39 @@ exports.schemeSpectral = scheme$8; exports.interpolateBuGn = BuGn; exports.schemeBuGn = scheme$9; exports.interpolateBuPu = BuPu; -exports.schemeBuPu = scheme$10; +exports.schemeBuPu = scheme$a; exports.interpolateGnBu = GnBu; -exports.schemeGnBu = scheme$11; +exports.schemeGnBu = scheme$b; exports.interpolateOrRd = OrRd; -exports.schemeOrRd = scheme$12; +exports.schemeOrRd = scheme$c; exports.interpolatePuBuGn = PuBuGn; -exports.schemePuBuGn = scheme$13; +exports.schemePuBuGn = scheme$d; exports.interpolatePuBu = PuBu; -exports.schemePuBu = scheme$14; +exports.schemePuBu = scheme$e; exports.interpolatePuRd = PuRd; -exports.schemePuRd = scheme$15; +exports.schemePuRd = scheme$f; exports.interpolateRdPu = RdPu; -exports.schemeRdPu = scheme$16; +exports.schemeRdPu = scheme$g; exports.interpolateYlGnBu = YlGnBu; -exports.schemeYlGnBu = scheme$17; +exports.schemeYlGnBu = scheme$h; exports.interpolateYlGn = YlGn; -exports.schemeYlGn = scheme$18; +exports.schemeYlGn = scheme$i; exports.interpolateYlOrBr = YlOrBr; -exports.schemeYlOrBr = scheme$19; +exports.schemeYlOrBr = scheme$j; exports.interpolateYlOrRd = YlOrRd; -exports.schemeYlOrRd = scheme$20; +exports.schemeYlOrRd = scheme$k; exports.interpolateBlues = Blues; -exports.schemeBlues = scheme$21; +exports.schemeBlues = scheme$l; exports.interpolateGreens = Greens; -exports.schemeGreens = scheme$22; +exports.schemeGreens = scheme$m; exports.interpolateGreys = Greys; -exports.schemeGreys = scheme$23; +exports.schemeGreys = scheme$n; exports.interpolatePurples = Purples; -exports.schemePurples = scheme$24; +exports.schemePurples = scheme$o; exports.interpolateReds = Reds; -exports.schemeReds = scheme$25; +exports.schemeReds = scheme$p; exports.interpolateOranges = Oranges; -exports.schemeOranges = scheme$26; +exports.schemeOranges = scheme$q; exports.interpolateCubehelixDefault = cubehelix$3; exports.interpolateRainbow = rainbow; exports.interpolateWarm = warm; diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index 018c862..2a54e04 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,2 +1,2 @@ -// https://d3js.org Version 5.5.0. 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e=Math.sqrt(n/z_),r=e*P_;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},L_=Math.sin(A_/10)/Math.sin(7*A_/10),D_=Math.sin(N_/10)*L_,U_=-Math.cos(N_/10)*L_,q_={draw:function(t,n){var e=Math.sqrt(.8908130915292852*n),r=D_*e,i=U_*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var a=N_*o/5,u=Math.cos(a),f=Math.sin(a);t.lineTo(f*e,-u*e),t.lineTo(u*r-f*i,f*r+u*i)}t.closePath()}},O_={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},Y_=Math.sqrt(3),B_={draw:function(t,n){var e=-Math.sqrt(n/(3*Y_));t.moveTo(0,2*e),t.lineTo(-Y_*e,-e),t.lineTo(Y_*e,-e),t.closePath()}},F_=Math.sqrt(3)/2,I_=1/Math.sqrt(12),j_=3*(I_/2+1),H_={draw:function(t,n){var e=Math.sqrt(n/j_),r=e/2,i=e*I_,o=r,a=e*I_+e,u=-o,f=a;t.moveTo(r,i),t.lineTo(o,a),t.lineTo(u,f),t.lineTo(-.5*r-F_*i,F_*r+-.5*i),t.lineTo(-.5*o-F_*a,F_*o+-.5*a),t.lineTo(-.5*u-F_*f,F_*u+-.5*f),t.lineTo(-.5*r+F_*i,-.5*i-F_*r),t.lineTo(-.5*o+F_*a,-.5*a-F_*o),t.lineTo(-.5*u+F_*f,-.5*f-F_*u),t.closePath()}},X_=[k_,C_,R_,O_,q_,B_,H_];Ff.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Bf(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 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2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Bf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},jf.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Bf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Hf.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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.attr("stroke", "currentColor") .attr(x + "2", k * tickSizeInner)); text = text.merge(tickEnter.append("text") - .attr("fill", "#000") + .attr("fill", "currentColor") .attr(x, k * spacing) .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); @@ -654,8 +654,8 @@ function axis(orient, scale) { path .attr("d", orient === left || orient == right - ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter - : "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter); + ? (tickSizeOuter ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter : "M0.5," + range0 + "V" + range1) + : (tickSizeOuter ? "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter : "M" + range0 + ",0.5H" + range1)); tick .attr("opacity", 1) @@ -2672,7 +2672,7 @@ function date(a, b) { }; } -function reinterpolate(a, b) { +function interpolateNumber(a, b) { return a = +a, b -= a, function(t) { return a + b * t; }; @@ -2740,7 +2740,7 @@ function interpolateString(a, b) { else s[++i] = bm; } else { // interpolate non-matching numbers s[++i] = null; - q.push({i: i, x: reinterpolate(am, bm)}); + q.push({i: i, x: interpolateNumber(am, bm)}); } bi = reB.lastIndex; } @@ -2766,13 +2766,28 @@ function interpolateString(a, b) { function interpolateValue(a, b) { var t = typeof b, c; return b == null || t === "boolean" ? constant$3(b) - : (t === "number" ? reinterpolate + : (t === "number" ? interpolateNumber : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) : b instanceof color ? interpolateRgb : b instanceof Date ? date : Array.isArray(b) ? array$1 : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object - : reinterpolate)(a, b); + : interpolateNumber)(a, b); +} + +function discrete(range) { + var n = range.length; + return function(t) { + return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; + }; +} + +function hue$1(a, b) { + var i = hue(+a, +b); + return function(t) { + var x = i(t); + return x - 360 * Math.floor(x / 360); + }; } function interpolateRound(a, b) { @@ -2841,7 +2856,7 @@ function interpolateTransform(parse, pxComma, pxParen, degParen) { function translate(xa, ya, xb, yb, s, q) { if (xa !== xb || ya !== yb) { var i = s.push("translate(", null, pxComma, null, pxParen); - q.push({i: i - 4, x: reinterpolate(xa, xb)}, {i: i - 2, x: reinterpolate(ya, yb)}); + q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); } else if (xb || yb) { s.push("translate(" + xb + pxComma + yb + pxParen); } @@ -2850,7 +2865,7 @@ function interpolateTransform(parse, pxComma, pxParen, degParen) { function rotate(a, b, s, q) { if (a !== b) { if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path - q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: reinterpolate(a, b)}); + q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: interpolateNumber(a, b)}); } else if (b) { s.push(pop(s) + "rotate(" + b + degParen); } @@ -2858,7 +2873,7 @@ function interpolateTransform(parse, pxComma, pxParen, degParen) { function skewX(a, b, s, q) { if (a !== b) { - q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: reinterpolate(a, b)}); + q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: interpolateNumber(a, b)}); } else if (b) { s.push(pop(s) + "skewX(" + b + degParen); } @@ -2867,7 +2882,7 @@ function interpolateTransform(parse, pxComma, pxParen, degParen) { function scale(xa, ya, xb, yb, s, q) { if (xa !== xb || ya !== yb) { var i = s.push(pop(s) + "scale(", null, ",", null, ")"); - q.push({i: i - 4, x: reinterpolate(xa, xb)}, {i: i - 2, x: reinterpolate(ya, yb)}); + q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); } else if (xb !== 1 || yb !== 1) { s.push(pop(s) + "scale(" + xb + "," + yb + ")"); } @@ -3449,7 +3464,7 @@ function tweenValue(transition, name, value) { function interpolate(a, b) { var c; - return (typeof b === "number" ? reinterpolate + return (typeof b === "number" ? interpolateNumber : b instanceof color ? interpolateRgb : (c = color(b)) ? (b = c, interpolateRgb) : interpolateString)(a, b); @@ -4909,7 +4924,7 @@ Path.prototype = path.prototype = { } // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. - else if (!(l01_2 > epsilon$1)) {} + else if (!(l01_2 > epsilon$1)); // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? // Equivalently, is (x1,y1) coincident with (x2,y2)? @@ -5061,7 +5076,7 @@ function ribbon() { }; ribbon.context = function(_) { - return arguments.length ? (context = _ == null ? null : _, ribbon) : context; + return arguments.length ? ((context = _ == null ? null : _), ribbon) : context; }; return ribbon; @@ -5565,9 +5580,14 @@ function defaultY(d) { return d[1]; } +function defaultWeight() { + return 1; +} + function density() { var x = defaultX, y = defaultY, + weight = defaultWeight, dx = 960, dy = 500, r = 20, // blur radius @@ -5582,10 +5602,11 @@ function density() { values1 = new Float32Array(n * m); data.forEach(function(d, i, data) { - var xi = (x(d, i, data) + o) >> k, - yi = (y(d, i, data) + o) >> k; + var xi = (+x(d, i, data) + o) >> k, + yi = (+y(d, i, data) + o) >> k, + wi = +weight(d, i, data); if (xi >= 0 && xi < n && yi >= 0 && yi < m) { - ++values0[xi + yi * n]; + values0[xi + yi * n] += wi; } }); @@ -5649,6 +5670,10 @@ function density() { return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), density) : y; }; + density.weight = function(_) { + return arguments.length ? (weight = typeof _ === "function" ? _ : constant$6(+_), density) : weight; + }; + density.size = function(_) { if (!arguments.length) return [dx, dy]; var _0 = Math.ceil(_[0]), _1 = Math.ceil(_[1]); @@ -6219,7 +6244,7 @@ function tree_remove(d) { if (next = node.next) delete node.next; // If there are multiple coincident points, remove just the point. - if (previous) return next ? previous.next = next : delete previous.next, this; + if (previous) return (next ? previous.next = next : delete previous.next), this; // If this is the root point, remove it. if (!parent) return this._root = next, this; @@ -6683,7 +6708,7 @@ function simulation(nodes) { }, force: function(name, _) { - return arguments.length > 1 ? (_ == null ? forces.remove(name) : forces.set(name, initializeForce(_)), simulation) : forces.get(name); + return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); }, find: function(x, y, radius) { @@ -7008,7 +7033,7 @@ function formatNumerals(numerals) { } // [[fill]align][sign][symbol][0][width][,][.precision][~][type] -var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i; +var re = /^(?:(.)?([<>=^]))?([+\-( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i; function formatSpecifier(specifier) { return new FormatSpecifier(specifier); @@ -9875,7 +9900,8 @@ function albersUsa() { function albersUsa(coordinates) { var x = coordinates[0], y = coordinates[1]; - return point = null, (lower48Point.point(x, y), point) + return point = null, + (lower48Point.point(x, y), point) || (alaskaPoint.point(x, y), point) || (hawaiiPoint.point(x, y), point); } @@ -10039,7 +10065,7 @@ function mercatorProjection(project) { }; m.clipExtent = function(_) { - return arguments.length ? (_ == null ? x0 = y0 = x1 = y1 = null : (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reclip()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + return arguments.length ? ((_ == null ? x0 = y0 = x1 = y1 = null : (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1])), reclip()) : x0 == null ? null : [[x0, y0], [x1, y1]]; }; function reclip() { @@ -10123,6 +10149,40 @@ function conicEquidistant() { .center([0, 13.9389]); } +var A1 = 1.340264, + A2 = -0.081106, + A3 = 0.000893, + A4 = 0.003796, + M = sqrt(3) / 2, + iterations = 12; + +function equalEarthRaw(lambda, phi) { + var l = asin(M * sin$1(phi)), l2 = l * l, l6 = l2 * l2 * l2; + return [ + lambda * cos$1(l) / (M * (A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2))), + l * (A1 + A2 * l2 + l6 * (A3 + A4 * l2)) + ]; +} + +equalEarthRaw.invert = function(x, y) { + var l = y, l2 = l * l, l6 = l2 * l2 * l2; + for (var i = 0, delta, fy, fpy; i < iterations; ++i) { + fy = l * (A1 + A2 * l2 + l6 * (A3 + A4 * l2)) - y; + fpy = A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2); + l -= delta = fy / fpy, l2 = l * l, l6 = l2 * l2 * l2; + if (abs(delta) < epsilon2$1) break; + } + return [ + M * x * (A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2)) / cos$1(l), + asin(sin$1(l) / M) + ]; +}; + +function equalEarth() { + return projection(equalEarthRaw) + .scale(177.158); +} + function gnomonicRaw(x, y) { var cy = cos$1(y), k = cos$1(x) * cy; return [cy * sin$1(x) / k, sin$1(y) / k]; @@ -11916,7 +11976,7 @@ function point$1() { return pointish(band().paddingInner(1)); } -function constant$10(x) { +function constant$a(x) { return function() { return x; }; @@ -11931,7 +11991,7 @@ var unit = [0, 1]; function deinterpolateLinear(a, b) { return (b -= (a = +a)) ? function(x) { return (x - a) / b; } - : constant$10(b); + : constant$a(b); } function deinterpolateClamp(deinterpolate) { @@ -11941,21 +12001,21 @@ function deinterpolateClamp(deinterpolate) { }; } -function reinterpolateClamp(reinterpolate$$1) { +function reinterpolateClamp(reinterpolate) { return function(a, b) { - var r = reinterpolate$$1(a = +a, b = +b); + var r = reinterpolate(a = +a, b = +b); return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; }; } -function bimap(domain, range, deinterpolate, reinterpolate$$1) { +function bimap(domain, range, deinterpolate, reinterpolate) { var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; - if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate$$1(r1, r0); - else d0 = deinterpolate(d0, d1), r0 = reinterpolate$$1(r0, r1); + if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); + else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); return function(x) { return r0(d0(x)); }; } -function polymap(domain, range, deinterpolate, reinterpolate$$1) { +function polymap(domain, range, deinterpolate, reinterpolate) { var j = Math.min(domain.length, range.length) - 1, d = new Array(j), r = new Array(j), @@ -11969,7 +12029,7 @@ function polymap(domain, range, deinterpolate, reinterpolate$$1) { while (++i < j) { d[i] = deinterpolate(domain[i], domain[i + 1]); - r[i] = reinterpolate$$1(range[i], range[i + 1]); + r[i] = reinterpolate(range[i], range[i + 1]); } return function(x) { @@ -11988,7 +12048,7 @@ function copy(source, target) { // deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. // reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. -function continuous(deinterpolate, reinterpolate$$1) { +function continuous(deinterpolate, reinterpolate) { var domain = unit, range = unit, interpolate$$1 = interpolateValue, @@ -12008,7 +12068,7 @@ function continuous(deinterpolate, reinterpolate$$1) { } scale.invert = function(y) { - return (input || (input = piecewise$$1(range, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate$$1) : reinterpolate$$1)))(+y); + return (input || (input = piecewise$$1(range, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); }; scale.domain = function(_) { @@ -12119,7 +12179,7 @@ function linearish(scale) { } function linear$2() { - var scale = continuous(deinterpolateLinear, reinterpolate); + var scale = continuous(deinterpolateLinear, interpolateNumber); scale.copy = function() { return copy(scale, linear$2()); @@ -12170,10 +12230,10 @@ function nice(domain, interval) { function deinterpolate(a, b) { return (b = Math.log(b / a)) ? function(x) { return Math.log(x / a) / b; } - : constant$10(b); + : constant$a(b); } -function reinterpolate$1(a, b) { +function reinterpolate(a, b) { return a < 0 ? function(t) { return -Math.pow(-b, t) * Math.pow(-a, 1 - t); } : function(t) { return Math.pow(b, t) * Math.pow(a, 1 - t); }; @@ -12203,7 +12263,7 @@ function reflect(f) { } function log$1() { - var scale = continuous(deinterpolate, reinterpolate$1).domain([1, 10]), + var scale = continuous(deinterpolate, reinterpolate).domain([1, 10]), domain = scale.domain, base = 10, logs = logp(10), @@ -12302,7 +12362,7 @@ function pow$1() { function deinterpolate(a, b) { return (b = raise$1(b, exponent) - (a = raise$1(a, exponent))) ? function(x) { return (raise$1(x, exponent) - a) / b; } - : constant$10(b); + : constant$a(b); } function reinterpolate(a, b) { @@ -13435,7 +13495,7 @@ function number$3(t) { } function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format) { - var scale = continuous(deinterpolateLinear, reinterpolate), + var scale = continuous(deinterpolateLinear, interpolateNumber), invert = scale.invert, domain = scale.domain; @@ -13778,7 +13838,7 @@ var scheme$9 = new Array(3).concat( var BuGn = ramp(scheme$9); -var scheme$10 = new Array(3).concat( +var scheme$a = new Array(3).concat( "e0ecf49ebcda8856a7", "edf8fbb3cde38c96c688419d", "edf8fbb3cde38c96c68856a7810f7c", @@ -13788,9 +13848,9 @@ var scheme$10 = new Array(3).concat( "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d810f7c4d004b" ).map(colors); -var BuPu = ramp(scheme$10); +var BuPu = ramp(scheme$a); -var scheme$11 = new Array(3).concat( +var scheme$b = new Array(3).concat( "e0f3dba8ddb543a2ca", "f0f9e8bae4bc7bccc42b8cbe", "f0f9e8bae4bc7bccc443a2ca0868ac", @@ -13800,9 +13860,9 @@ var scheme$11 = new Array(3).concat( "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe0868ac084081" ).map(colors); -var GnBu = ramp(scheme$11); +var GnBu = ramp(scheme$b); -var scheme$12 = new Array(3).concat( +var scheme$c = new Array(3).concat( "fee8c8fdbb84e34a33", "fef0d9fdcc8afc8d59d7301f", "fef0d9fdcc8afc8d59e34a33b30000", @@ -13812,9 +13872,9 @@ var scheme$12 = new Array(3).concat( "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301fb300007f0000" ).map(colors); -var OrRd = ramp(scheme$12); +var OrRd = ramp(scheme$c); -var scheme$13 = new Array(3).concat( +var scheme$d = new Array(3).concat( "ece2f0a6bddb1c9099", "f6eff7bdc9e167a9cf02818a", "f6eff7bdc9e167a9cf1c9099016c59", @@ -13824,9 +13884,9 @@ var scheme$13 = new Array(3).concat( "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016c59014636" ).map(colors); -var PuBuGn = ramp(scheme$13); +var PuBuGn = ramp(scheme$d); -var scheme$14 = new Array(3).concat( +var scheme$e = new Array(3).concat( "ece7f2a6bddb2b8cbe", "f1eef6bdc9e174a9cf0570b0", "f1eef6bdc9e174a9cf2b8cbe045a8d", @@ -13836,9 +13896,9 @@ var scheme$14 = new Array(3).concat( "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0045a8d023858" ).map(colors); -var PuBu = ramp(scheme$14); +var PuBu = ramp(scheme$e); -var scheme$15 = new Array(3).concat( +var scheme$f = new Array(3).concat( "e7e1efc994c7dd1c77", "f1eef6d7b5d8df65b0ce1256", "f1eef6d7b5d8df65b0dd1c77980043", @@ -13848,9 +13908,9 @@ var scheme$15 = new Array(3).concat( "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125698004367001f" ).map(colors); -var PuRd = ramp(scheme$15); +var PuRd = ramp(scheme$f); -var scheme$16 = new Array(3).concat( +var scheme$g = new Array(3).concat( "fde0ddfa9fb5c51b8a", "feebe2fbb4b9f768a1ae017e", "feebe2fbb4b9f768a1c51b8a7a0177", @@ -13860,9 +13920,9 @@ var scheme$16 = new Array(3).concat( "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a017749006a" ).map(colors); -var RdPu = ramp(scheme$16); +var RdPu = ramp(scheme$g); -var scheme$17 = new Array(3).concat( +var scheme$h = new Array(3).concat( "edf8b17fcdbb2c7fb8", "ffffcca1dab441b6c4225ea8", "ffffcca1dab441b6c42c7fb8253494", @@ -13872,9 +13932,9 @@ var scheme$17 = new Array(3).concat( "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea8253494081d58" ).map(colors); -var YlGnBu = ramp(scheme$17); +var YlGnBu = ramp(scheme$h); -var scheme$18 = new Array(3).concat( +var scheme$i = new Array(3).concat( "f7fcb9addd8e31a354", "ffffccc2e69978c679238443", "ffffccc2e69978c67931a354006837", @@ -13884,9 +13944,9 @@ var scheme$18 = new Array(3).concat( "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443006837004529" ).map(colors); -var YlGn = ramp(scheme$18); +var YlGn = ramp(scheme$i); -var scheme$19 = new Array(3).concat( +var scheme$j = new Array(3).concat( "fff7bcfec44fd95f0e", "ffffd4fed98efe9929cc4c02", "ffffd4fed98efe9929d95f0e993404", @@ -13896,9 +13956,9 @@ var scheme$19 = new Array(3).concat( "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c02993404662506" ).map(colors); -var YlOrBr = ramp(scheme$19); +var YlOrBr = ramp(scheme$j); -var scheme$20 = new Array(3).concat( +var scheme$k = new Array(3).concat( "ffeda0feb24cf03b20", "ffffb2fecc5cfd8d3ce31a1c", "ffffb2fecc5cfd8d3cf03b20bd0026", @@ -13908,9 +13968,9 @@ var scheme$20 = new Array(3).concat( "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cbd0026800026" ).map(colors); -var YlOrRd = ramp(scheme$20); +var YlOrRd = ramp(scheme$k); -var scheme$21 = new Array(3).concat( +var scheme$l = new Array(3).concat( "deebf79ecae13182bd", "eff3ffbdd7e76baed62171b5", "eff3ffbdd7e76baed63182bd08519c", @@ -13920,9 +13980,9 @@ var scheme$21 = new Array(3).concat( "f7fbffdeebf7c6dbef9ecae16baed64292c62171b508519c08306b" ).map(colors); -var Blues = ramp(scheme$21); +var Blues = ramp(scheme$l); -var scheme$22 = new Array(3).concat( +var scheme$m = new Array(3).concat( "e5f5e0a1d99b31a354", "edf8e9bae4b374c476238b45", "edf8e9bae4b374c47631a354006d2c", @@ -13932,9 +13992,9 @@ var scheme$22 = new Array(3).concat( "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45006d2c00441b" ).map(colors); -var Greens = ramp(scheme$22); +var Greens = ramp(scheme$m); -var scheme$23 = new Array(3).concat( +var scheme$n = new Array(3).concat( "f0f0f0bdbdbd636363", "f7f7f7cccccc969696525252", "f7f7f7cccccc969696636363252525", @@ -13944,9 +14004,9 @@ var scheme$23 = new Array(3).concat( "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525000000" ).map(colors); -var Greys = ramp(scheme$23); +var Greys = ramp(scheme$n); -var scheme$24 = new Array(3).concat( +var scheme$o = new Array(3).concat( "efedf5bcbddc756bb1", "f2f0f7cbc9e29e9ac86a51a3", "f2f0f7cbc9e29e9ac8756bb154278f", @@ -13956,9 +14016,9 @@ var scheme$24 = new Array(3).concat( "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a354278f3f007d" ).map(colors); -var Purples = ramp(scheme$24); +var Purples = ramp(scheme$o); -var scheme$25 = new Array(3).concat( +var scheme$p = new Array(3).concat( "fee0d2fc9272de2d26", "fee5d9fcae91fb6a4acb181d", "fee5d9fcae91fb6a4ade2d26a50f15", @@ -13968,9 +14028,9 @@ var scheme$25 = new Array(3).concat( "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181da50f1567000d" ).map(colors); -var Reds = ramp(scheme$25); +var Reds = ramp(scheme$p); -var scheme$26 = new Array(3).concat( +var scheme$q = new Array(3).concat( "fee6cefdae6be6550d", "feeddefdbe85fd8d3cd94701", "feeddefdbe85fd8d3ce6550da63603", @@ -13980,7 +14040,7 @@ var scheme$26 = new Array(3).concat( "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d94801a636037f2704" ).map(colors); -var Oranges = ramp(scheme$26); +var Oranges = ramp(scheme$q); var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); @@ -14027,7 +14087,7 @@ var inferno = ramp$1(colors("00000401000501010601010802010a02020c02020e030210040 var plasma = ramp$1(colors("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")); -function constant$11(x) { +function constant$b(x) { return function constant() { return x; }; @@ -14127,7 +14187,7 @@ function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { function arc() { var innerRadius = arcInnerRadius, outerRadius = arcOuterRadius, - cornerRadius = constant$11(0), + cornerRadius = constant$b(0), padRadius = null, startAngle = arcStartAngle, endAngle = arcEndAngle, @@ -14276,35 +14336,35 @@ function arc() { }; arc.innerRadius = function(_) { - return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$11(+_), arc) : innerRadius; + return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$b(+_), arc) : innerRadius; }; arc.outerRadius = function(_) { - return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$11(+_), arc) : outerRadius; + return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$b(+_), arc) : outerRadius; }; arc.cornerRadius = function(_) { - return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$11(+_), arc) : cornerRadius; + return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$b(+_), arc) : cornerRadius; }; arc.padRadius = function(_) { - return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$11(+_), arc) : padRadius; + return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$b(+_), arc) : padRadius; }; arc.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$11(+_), arc) : startAngle; + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$b(+_), arc) : startAngle; }; arc.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$11(+_), arc) : endAngle; + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$b(+_), arc) : endAngle; }; arc.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$11(+_), arc) : padAngle; + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$b(+_), arc) : padAngle; }; arc.context = function(_) { - return arguments.length ? (context = _ == null ? null : _, arc) : context; + return arguments.length ? ((context = _ == null ? null : _), arc) : context; }; return arc; @@ -14353,7 +14413,7 @@ function y$3(p) { function line() { var x$$1 = x$3, y$$1 = y$3, - defined = constant$11(true), + defined = constant$b(true), context = null, curve = curveLinear, output = null; @@ -14379,15 +14439,15 @@ function line() { } line.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$11(+_), line) : x$$1; + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$b(+_), line) : x$$1; }; line.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$11(+_), line) : y$$1; + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$b(+_), line) : y$$1; }; line.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$11(!!_), line) : defined; + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$b(!!_), line) : defined; }; line.curve = function(_) { @@ -14404,9 +14464,9 @@ function line() { function area$3() { var x0 = x$3, x1 = null, - y0 = constant$11(0), + y0 = constant$b(0), y1 = y$3, - defined = constant$11(true), + defined = constant$b(true), context = null, curve = curveLinear, output = null; @@ -14454,27 +14514,27 @@ function area$3() { } area.x = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$11(+_), x1 = null, area) : x0; + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$b(+_), x1 = null, area) : x0; }; area.x0 = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$11(+_), area) : x0; + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$b(+_), area) : x0; }; area.x1 = function(_) { - return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$11(+_), area) : x1; + return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$b(+_), area) : x1; }; area.y = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$11(+_), y1 = null, area) : y0; + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$b(+_), y1 = null, area) : y0; }; area.y0 = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$11(+_), area) : y0; + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$b(+_), area) : y0; }; area.y1 = function(_) { - return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$11(+_), area) : y1; + return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$b(+_), area) : y1; }; area.lineX0 = @@ -14491,7 +14551,7 @@ function area$3() { }; area.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$11(!!_), area) : defined; + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$b(!!_), area) : defined; }; area.curve = function(_) { @@ -14517,9 +14577,9 @@ function pie() { var value = identity$7, sortValues = descending$1, sort = null, - startAngle = constant$11(0), - endAngle = constant$11(tau$4), - padAngle = constant$11(0); + startAngle = constant$b(0), + endAngle = constant$b(tau$4), + padAngle = constant$b(0); function pie(data) { var i, @@ -14562,7 +14622,7 @@ function pie() { } pie.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$11(+_), pie) : value; + return arguments.length ? (value = typeof _ === "function" ? _ : constant$b(+_), pie) : value; }; pie.sortValues = function(_) { @@ -14574,15 +14634,15 @@ function pie() { }; pie.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$11(+_), pie) : startAngle; + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$b(+_), pie) : startAngle; }; pie.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$11(+_), pie) : endAngle; + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$b(+_), pie) : endAngle; }; pie.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$11(+_), pie) : padAngle; + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$b(+_), pie) : padAngle; }; return pie; @@ -14703,15 +14763,15 @@ function link$2(curve) { }; link.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$11(+_), link) : x$$1; + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$b(+_), link) : x$$1; }; link.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$11(+_), link) : y$$1; + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$b(+_), link) : y$$1; }; link.context = function(_) { - return arguments.length ? (context = _ == null ? null : _, link) : context; + return arguments.length ? ((context = _ == null ? null : _), link) : context; }; return link; @@ -14874,8 +14934,8 @@ var symbols = [ ]; function symbol() { - var type = constant$11(circle$2), - size = constant$11(64), + var type = constant$b(circle$2), + size = constant$b(64), context = null; function symbol() { @@ -14886,11 +14946,11 @@ function symbol() { } symbol.type = function(_) { - return arguments.length ? (type = typeof _ === "function" ? _ : constant$11(_), symbol) : type; + return arguments.length ? (type = typeof _ === "function" ? _ : constant$b(_), symbol) : type; }; symbol.size = function(_) { - return arguments.length ? (size = typeof _ === "function" ? _ : constant$11(+_), symbol) : size; + return arguments.length ? (size = typeof _ === "function" ? _ : constant$b(+_), symbol) : size; }; symbol.context = function(_) { @@ -15753,7 +15813,7 @@ function stackValue(d, key) { } function stack() { - var keys = constant$11([]), + var keys = constant$b([]), order = none$2, offset = none$1, value = stackValue; @@ -15783,15 +15843,15 @@ function stack() { } stack.keys = function(_) { - return arguments.length ? (keys = typeof _ === "function" ? _ : constant$11(slice$6.call(_)), stack) : keys; + return arguments.length ? (keys = typeof _ === "function" ? _ : constant$b(slice$6.call(_)), stack) : keys; }; stack.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$11(+_), stack) : value; + return arguments.length ? (value = typeof _ === "function" ? _ : constant$b(+_), stack) : value; }; stack.order = function(_) { - return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$11(slice$6.call(_)), stack) : order; + return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$b(slice$6.call(_)), stack) : order; }; stack.offset = function(_) { @@ -15901,7 +15961,7 @@ function reverse(series) { return none$2(series).reverse(); } -function constant$12(x) { +function constant$c(x) { return function() { return x; }; @@ -16870,11 +16930,11 @@ function voronoi() { }; voronoi.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$12(+_), voronoi) : x$$1; + return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$c(+_), voronoi) : x$$1; }; voronoi.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$12(+_), voronoi) : y$$1; + return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$c(+_), voronoi) : y$$1; }; voronoi.extent = function(_) { @@ -16888,7 +16948,7 @@ function voronoi() { return voronoi; } -function constant$13(x) { +function constant$d(x) { return function() { return x; }; @@ -17329,19 +17389,19 @@ function zoom() { } zoom.wheelDelta = function(_) { - return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant$13(+_), zoom) : wheelDelta; + return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant$d(+_), zoom) : wheelDelta; }; zoom.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$13(!!_), zoom) : filter; + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$d(!!_), zoom) : filter; }; zoom.touchable = function(_) { - return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$13(!!_), zoom) : touchable; + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$d(!!_), zoom) : touchable; }; zoom.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$13([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$d([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; }; zoom.scaleExtent = function(_) { @@ -17536,6 +17596,8 @@ exports.geoConicEqualArea = conicEqualArea; exports.geoConicEqualAreaRaw = conicEqualAreaRaw; exports.geoConicEquidistant = conicEquidistant; exports.geoConicEquidistantRaw = conicEquidistantRaw; +exports.geoEqualEarth = equalEarth; +exports.geoEqualEarthRaw = equalEarthRaw; exports.geoEquirectangular = equirectangular; exports.geoEquirectangularRaw = equirectangularRaw; exports.geoGnomonic = gnomonic; @@ -17576,7 +17638,9 @@ exports.interpolateArray = array$1; exports.interpolateBasis = basis$1; exports.interpolateBasisClosed = basisClosed; exports.interpolateDate = date; -exports.interpolateNumber = reinterpolate; +exports.interpolateDiscrete = discrete; +exports.interpolateHue = hue$1; +exports.interpolateNumber = interpolateNumber; exports.interpolateObject = object; exports.interpolateRound = interpolateRound; exports.interpolateString = interpolateString; @@ -17654,39 +17718,39 @@ exports.schemeSpectral = scheme$8; exports.interpolateBuGn = BuGn; exports.schemeBuGn = scheme$9; exports.interpolateBuPu = BuPu; -exports.schemeBuPu = scheme$10; +exports.schemeBuPu = scheme$a; exports.interpolateGnBu = GnBu; -exports.schemeGnBu = scheme$11; +exports.schemeGnBu = scheme$b; exports.interpolateOrRd = OrRd; -exports.schemeOrRd = scheme$12; +exports.schemeOrRd = scheme$c; exports.interpolatePuBuGn = PuBuGn; -exports.schemePuBuGn = scheme$13; +exports.schemePuBuGn = scheme$d; exports.interpolatePuBu = PuBu; -exports.schemePuBu = scheme$14; +exports.schemePuBu = scheme$e; exports.interpolatePuRd = PuRd; -exports.schemePuRd = scheme$15; +exports.schemePuRd = scheme$f; exports.interpolateRdPu = RdPu; -exports.schemeRdPu = scheme$16; +exports.schemeRdPu = scheme$g; exports.interpolateYlGnBu = YlGnBu; -exports.schemeYlGnBu = scheme$17; +exports.schemeYlGnBu = scheme$h; exports.interpolateYlGn = YlGn; -exports.schemeYlGn = scheme$18; +exports.schemeYlGn = scheme$i; exports.interpolateYlOrBr = YlOrBr; -exports.schemeYlOrBr = scheme$19; +exports.schemeYlOrBr = scheme$j; exports.interpolateYlOrRd = YlOrRd; -exports.schemeYlOrRd = scheme$20; +exports.schemeYlOrRd = scheme$k; exports.interpolateBlues = Blues; -exports.schemeBlues = scheme$21; +exports.schemeBlues = scheme$l; exports.interpolateGreens = Greens; -exports.schemeGreens = scheme$22; +exports.schemeGreens = scheme$m; exports.interpolateGreys = Greys; -exports.schemeGreys = scheme$23; +exports.schemeGreys = scheme$n; exports.interpolatePurples = Purples; -exports.schemePurples = scheme$24; +exports.schemePurples = scheme$o; exports.interpolateReds = Reds; -exports.schemeReds = scheme$25; +exports.schemeReds = scheme$p; exports.interpolateOranges = Oranges; -exports.schemeOranges = scheme$26; +exports.schemeOranges = scheme$q; exports.interpolateCubehelixDefault = cubehelix$3; exports.interpolateRainbow = rainbow; exports.interpolateWarm = warm; diff --git a/app/assets/javascripts/d3.v5.min.js b/app/assets/javascripts/d3.v5.min.js index 018c862..2a54e04 100644 --- a/app/assets/javascripts/d3.v5.min.js +++ b/app/assets/javascripts/d3.v5.min.js @@ -1,2 +1,2 @@ -// https://d3js.org Version 5.5.0. 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e=Math.sqrt(n/z_),r=e*P_;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},L_=Math.sin(A_/10)/Math.sin(7*A_/10),D_=Math.sin(N_/10)*L_,U_=-Math.cos(N_/10)*L_,q_={draw:function(t,n){var e=Math.sqrt(.8908130915292852*n),r=D_*e,i=U_*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var a=N_*o/5,u=Math.cos(a),f=Math.sin(a);t.lineTo(f*e,-u*e),t.lineTo(u*r-f*i,f*r+u*i)}t.closePath()}},O_={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},Y_=Math.sqrt(3),B_={draw:function(t,n){var e=-Math.sqrt(n/(3*Y_));t.moveTo(0,2*e),t.lineTo(-Y_*e,-e),t.lineTo(Y_*e,-e),t.closePath()}},F_=Math.sqrt(3)/2,I_=1/Math.sqrt(12),j_=3*(I_/2+1),H_={draw:function(t,n){var e=Math.sqrt(n/j_),r=e/2,i=e*I_,o=r,a=e*I_+e,u=-o,f=a;t.moveTo(r,i),t.lineTo(o,a),t.lineTo(u,f),t.lineTo(-.5*r-F_*i,F_*r+-.5*i),t.lineTo(-.5*o-F_*a,F_*o+-.5*a),t.lineTo(-.5*u-F_*f,F_*u+-.5*f),t.lineTo(-.5*r+F_*i,-.5*i-F_*r),t.lineTo(-.5*o+F_*a,-.5*a-F_*o),t.lineTo(-.5*u+F_*f,-.5*f-F_*u),t.closePath()}},X_=[k_,C_,R_,O_,q_,B_,H_];Ff.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Bf(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 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2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Bf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},jf.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Bf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Hf.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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6525cd8..d8efeca 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 5.7.0 of D3.js. The d3-rails version will +d3-rails comes with version 5.9.2 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index 9af5650..b11658f 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,11 +1,11 @@ -// https://d3js.org v5.7.0 Copyright 2018 Mike Bostock +// https://d3js.org v5.9.2 Copyright 2019 Mike Bostock (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.d3 = global.d3 || {}))); }(this, (function (exports) { 'use strict'; -var version = "5.7.0"; +var version = "5.9.2"; function ascending(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -903,31 +903,14 @@ function selection_selectAll(select) { return new Selection(subgroups, parents); } -var matcher = function(selector) { +function matcher(selector) { return function() { return this.matches(selector); }; -}; - -if (typeof document !== "undefined") { - var element = document.documentElement; - if (!element.matches) { - var vendorMatches = element.webkitMatchesSelector - || element.msMatchesSelector - || element.mozMatchesSelector - || element.oMatchesSelector; - matcher = function(selector) { - return function() { - return vendorMatches.call(this, selector); - }; - }; - } } -var matcher$1 = matcher; - function selection_filter(match) { - if (typeof match !== "function") match = matcher$1(match); + if (typeof match !== "function") match = matcher(match); for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { @@ -1089,6 +1072,14 @@ function selection_exit() { return new Selection(this._exit || this._groups.map(sparse), this._parents); } +function selection_join(onenter, onupdate, onexit) { + var enter = this.enter(), update = this, exit = this.exit(); + enter = typeof onenter === "function" ? onenter(enter) : enter.append(onenter + ""); + if (onupdate != null) update = onupdate(update); + if (onexit == null) exit.remove(); else onexit(exit); + return enter && update ? enter.merge(update).order() : update; +} + function selection_merge(selection$$1) { for (var groups0 = this._groups, groups1 = selection$$1._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { @@ -1111,7 +1102,7 @@ function selection_order() { for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) { if (node = group[i]) { - if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); + if (next && node.compareDocumentPosition(next) ^ 4) next.parentNode.insertBefore(node, next); next = node; } } @@ -1509,8 +1500,8 @@ var filterEvents = {}; exports.event = null; if (typeof document !== "undefined") { - var element$1 = document.documentElement; - if (!("onmouseenter" in element$1)) { + var element = document.documentElement; + if (!("onmouseenter" in element)) { filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; } } @@ -1664,6 +1655,7 @@ Selection.prototype = selection.prototype = { data: selection_data, enter: selection_enter, exit: selection_exit, + join: selection_join, merge: selection_merge, order: selection_order, sort: selection_sort, @@ -3200,7 +3192,7 @@ function interval$1(callback, delay, time) { return t; } -var emptyOn = dispatch("start", "end", "interrupt"); +var emptyOn = dispatch("start", "end", "cancel", "interrupt"); var emptyTween = []; var CREATED = 0; @@ -3238,7 +3230,7 @@ function init(node, id) { function set$1(node, id) { var schedule = get$1(node, id); - if (schedule.state > STARTING) throw new Error("too late; already started"); + if (schedule.state > STARTED) throw new Error("too late; already running"); return schedule; } @@ -3281,7 +3273,6 @@ function create$1(node, id, self) { if (o.state === STARTED) return timeout$1(start); // Interrupt the active transition, if any. - // Dispatch the interrupt event. if (o.state === RUNNING) { o.state = ENDED; o.timer.stop(); @@ -3289,12 +3280,11 @@ function create$1(node, id, self) { delete schedules[i]; } - // Cancel any pre-empted transitions. No interrupt event is dispatched - // because the cancelled transitions never started. Note that this also - // removes this transition from the pending list! + // Cancel any pre-empted transitions. else if (+i < id) { o.state = ENDED; o.timer.stop(); + o.on.call("cancel", node, node.__data__, o.index, o.group); delete schedules[i]; } } @@ -3334,7 +3324,7 @@ function create$1(node, id, self) { n = tween.length; while (++i < n) { - tween[i].call(null, t); + tween[i].call(node, t); } // Dispatch the end event. @@ -3369,7 +3359,7 @@ function interrupt(node, name) { active = schedule$$1.state > STARTING && schedule$$1.state < ENDING; schedule$$1.state = ENDED; schedule$$1.timer.stop(); - if (active) schedule$$1.on.call("interrupt", node, node.__data__, schedule$$1.index, schedule$$1.group); + schedule$$1.on.call(active ? "interrupt" : "cancel", node, node.__data__, schedule$$1.index, schedule$$1.group); delete schedules[i]; } @@ -3483,52 +3473,56 @@ function attrRemoveNS$1(fullname) { } function attrConstant$1(name, interpolate$$1, value1) { - var value00, + var string00, + string1 = value1 + "", interpolate0; return function() { - var value0 = this.getAttribute(name); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value1); + var string0 = this.getAttribute(name); + return string0 === string1 ? null + : string0 === string00 ? interpolate0 + : interpolate0 = interpolate$$1(string00 = string0, value1); }; } function attrConstantNS$1(fullname, interpolate$$1, value1) { - var value00, + var string00, + string1 = value1 + "", interpolate0; return function() { - var value0 = this.getAttributeNS(fullname.space, fullname.local); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value1); + var string0 = this.getAttributeNS(fullname.space, fullname.local); + return string0 === string1 ? null + : string0 === string00 ? interpolate0 + : interpolate0 = interpolate$$1(string00 = string0, value1); }; } function attrFunction$1(name, interpolate$$1, value) { - var value00, - value10, + var string00, + string10, interpolate0; return function() { - var value0, value1 = value(this); + var string0, value1 = value(this), string1; if (value1 == null) return void this.removeAttribute(name); - value0 = this.getAttribute(name); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + string0 = this.getAttribute(name); + string1 = value1 + ""; + return string0 === string1 ? null + : string0 === string00 && string1 === string10 ? interpolate0 + : (string10 = string1, interpolate0 = interpolate$$1(string00 = string0, value1)); }; } function attrFunctionNS$1(fullname, interpolate$$1, value) { - var value00, - value10, + var string00, + string10, interpolate0; return function() { - var value0, value1 = value(this); + var string0, value1 = value(this), string1; if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local); - value0 = this.getAttributeNS(fullname.space, fullname.local); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + string0 = this.getAttributeNS(fullname.space, fullname.local); + string1 = value1 + ""; + return string0 === string1 ? null + : string0 === string00 && string1 === string10 ? interpolate0 + : (string10 = string1, interpolate0 = interpolate$$1(string00 = string0, value1)); }; } @@ -3537,26 +3531,38 @@ function transition_attr(name, value) { return this.attrTween(name, typeof value === "function" ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) - : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value + "")); + : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); +} + +function attrInterpolate(name, i) { + return function(t) { + this.setAttribute(name, i(t)); + }; +} + +function attrInterpolateNS(fullname, i) { + return function(t) { + this.setAttributeNS(fullname.space, fullname.local, i(t)); + }; } function attrTweenNS(fullname, value) { + var t0, i0; function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.setAttributeNS(fullname.space, fullname.local, i(t)); - }; + var i = value.apply(this, arguments); + if (i !== i0) t0 = (i0 = i) && attrInterpolateNS(fullname, i); + return t0; } tween._value = value; return tween; } function attrTween(name, value) { + var t0, i0; function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.setAttribute(name, i(t)); - }; + var i = value.apply(this, arguments); + if (i !== i0) t0 = (i0 = i) && attrInterpolate(name, i); + return t0; } tween._value = value; return tween; @@ -3631,7 +3637,7 @@ function transition_ease(value) { } function transition_filter(match) { - if (typeof match !== "function") match = matcher$1(match); + if (typeof match !== "function") match = matcher(match); for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { @@ -3753,66 +3759,93 @@ function transition_selection() { return new Selection$1(this._groups, this._parents); } -function styleRemove$1(name, interpolate$$1) { - var value00, - value10, +function styleNull(name, interpolate$$1) { + var string00, + string10, interpolate0; return function() { - var value0 = styleValue(this, name), - value1 = (this.style.removeProperty(name), styleValue(this, name)); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + var string0 = styleValue(this, name), + string1 = (this.style.removeProperty(name), styleValue(this, name)); + return string0 === string1 ? null + : string0 === string00 && string1 === string10 ? interpolate0 + : interpolate0 = interpolate$$1(string00 = string0, string10 = string1); }; } -function styleRemoveEnd(name) { +function styleRemove$1(name) { return function() { this.style.removeProperty(name); }; } function styleConstant$1(name, interpolate$$1, value1) { - var value00, + var string00, + string1 = value1 + "", interpolate0; return function() { - var value0 = styleValue(this, name); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value1); + var string0 = styleValue(this, name); + return string0 === string1 ? null + : string0 === string00 ? interpolate0 + : interpolate0 = interpolate$$1(string00 = string0, value1); }; } function styleFunction$1(name, interpolate$$1, value) { - var value00, - value10, + var string00, + string10, interpolate0; return function() { - var value0 = styleValue(this, name), - value1 = value(this); - if (value1 == null) value1 = (this.style.removeProperty(name), styleValue(this, name)); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + var string0 = styleValue(this, name), + value1 = value(this), + string1 = value1 + ""; + if (value1 == null) string1 = value1 = (this.style.removeProperty(name), styleValue(this, name)); + return string0 === string1 ? null + : string0 === string00 && string1 === string10 ? interpolate0 + : (string10 = string1, interpolate0 = interpolate$$1(string00 = string0, value1)); + }; +} + +function styleMaybeRemove(id, name) { + var on0, on1, listener0, key = "style." + name, event = "end." + key, remove; + return function() { + var schedule$$1 = set$1(this, id), + on = schedule$$1.on, + listener = schedule$$1.value[key] == null ? remove || (remove = styleRemove$1(name)) : undefined; + + // If this node shared a dispatch with the previous node, + // just assign the updated shared dispatch and we’re done! + // Otherwise, copy-on-write. + if (on !== on0 || listener0 !== listener) (on1 = (on0 = on).copy()).on(event, listener0 = listener); + + schedule$$1.on = on1; }; } function transition_style(name, value, priority) { var i = (name += "") === "transform" ? interpolateTransformCss : interpolate; return value == null ? this - .styleTween(name, styleRemove$1(name, i)) - .on("end.style." + name, styleRemoveEnd(name)) - : this.styleTween(name, typeof value === "function" - ? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) - : styleConstant$1(name, i, value + ""), priority); + .styleTween(name, styleNull(name, i)) + .on("end.style." + name, styleRemove$1(name)) + : typeof value === "function" ? this + .styleTween(name, styleFunction$1(name, i, tweenValue(this, "style." + name, value))) + .each(styleMaybeRemove(this._id, name)) + : this + .styleTween(name, styleConstant$1(name, i, value), priority) + .on("end.style." + name, null); +} + +function styleInterpolate(name, i, priority) { + return function(t) { + this.style.setProperty(name, i(t), priority); + }; } function styleTween(name, value, priority) { + var t, i0; function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.style.setProperty(name, i(t), priority); - }; + var i = value.apply(this, arguments); + if (i !== i0) t = (i0 = i) && styleInterpolate(name, i, priority); + return t; } tween._value = value; return tween; @@ -3867,6 +3900,31 @@ function transition_transition() { return new Transition(groups, this._parents, name, id1); } +function transition_end() { + var on0, on1, that = this, id = that._id, size = that.size(); + return new Promise(function(resolve, reject) { + var cancel = {value: reject}, + end = {value: function() { if (--size === 0) resolve(); }}; + + that.each(function() { + var schedule$$1 = set$1(this, id), + on = schedule$$1.on; + + // If this node shared a dispatch with the previous node, + // just assign the updated shared dispatch and we’re done! + // Otherwise, copy-on-write. + if (on !== on0) { + on1 = (on0 = on).copy(); + on1._.cancel.push(cancel); + on1._.interrupt.push(cancel); + on1._.end.push(end); + } + + schedule$$1.on = on1; + }); + }); +} + var id = 0; function Transition(groups, parents, name, id) { @@ -3910,7 +3968,8 @@ Transition.prototype = transition.prototype = { tween: transition_tween, delay: transition_delay, duration: transition_duration, - ease: transition_ease + ease: transition_ease, + end: transition_end }; function linear$1(t) { @@ -5735,6 +5794,30 @@ function inferColumns(rows) { return columns; } +function pad(value, width) { + var s = value + "", length = s.length; + return length < width ? new Array(width - length + 1).join(0) + s : s; +} + +function formatYear(year) { + return year < 0 ? "-" + pad(-year, 6) + : year > 9999 ? "+" + pad(year, 6) + : pad(year, 4); +} + +function formatDate(date) { + var hours = date.getUTCHours(), + minutes = date.getUTCMinutes(), + seconds = date.getUTCSeconds(), + milliseconds = date.getUTCMilliseconds(); + return isNaN(date) ? "Invalid Date" + : formatYear(date.getUTCFullYear(), 4) + "-" + pad(date.getUTCMonth() + 1, 2) + "-" + pad(date.getUTCDate(), 2) + + (milliseconds ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + ":" + pad(seconds, 2) + "." + pad(milliseconds, 3) + "Z" + : seconds ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + ":" + pad(seconds, 2) + "Z" + : minutes || hours ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + "Z" + : ""); +} + function dsvFormat(delimiter) { var reFormat = new RegExp("[\"" + delimiter + "\n\r]"), DELIMITER = delimiter.charCodeAt(0); @@ -5797,13 +5880,22 @@ function dsvFormat(delimiter) { return rows; } - function format(rows, columns) { - if (columns == null) columns = inferColumns(rows); - return [columns.map(formatValue).join(delimiter)].concat(rows.map(function(row) { + function preformatBody(rows, columns) { + return rows.map(function(row) { return columns.map(function(column) { return formatValue(row[column]); }).join(delimiter); - })).join("\n"); + }); + } + + function format(rows, columns) { + if (columns == null) columns = inferColumns(rows); + return [columns.map(formatValue).join(delimiter)].concat(preformatBody(rows, columns)).join("\n"); + } + + function formatBody(rows, columns) { + if (columns == null) columns = inferColumns(rows); + return preformatBody(rows, columns).join("\n"); } function formatRows(rows) { @@ -5814,16 +5906,18 @@ function dsvFormat(delimiter) { return row.map(formatValue).join(delimiter); } - function formatValue(text) { - return text == null ? "" - : reFormat.test(text += "") ? "\"" + text.replace(/"/g, "\"\"") + "\"" - : text; + function formatValue(value) { + return value == null ? "" + : value instanceof Date ? formatDate(value) + : reFormat.test(value += "") ? "\"" + value.replace(/"/g, "\"\"") + "\"" + : value; } return { parse: parse, parseRows: parseRows, format: format, + formatBody: formatBody, formatRows: formatRows }; } @@ -5833,6 +5927,7 @@ var csv = dsvFormat(","); var csvParse = csv.parse; var csvParseRows = csv.parseRows; var csvFormat = csv.format; +var csvFormatBody = csv.formatBody; var csvFormatRows = csv.formatRows; var tsv = dsvFormat("\t"); @@ -5840,8 +5935,24 @@ var tsv = dsvFormat("\t"); var tsvParse = tsv.parse; var tsvParseRows = tsv.parseRows; var tsvFormat = tsv.format; +var tsvFormatBody = tsv.formatBody; var tsvFormatRows = tsv.formatRows; +function autoType(object) { + for (var key in object) { + var value = object[key].trim(), number; + if (!value) value = null; + else if (value === "true") value = true; + else if (value === "false") value = false; + else if (value === "NaN") value = NaN; + else if (!isNaN(number = +value)) value = number; + else if (/^([-+]\d{2})?\d{4}(-\d{2}(-\d{2})?)?(T\d{2}:\d{2}(:\d{2}(\.\d{3})?)?(Z|[-+]\d{2}:\d{2})?)?$/.test(value)) value = new Date(value); + else continue; + object[key] = value; + } + return object; +} + function responseBlob(response) { if (!response.ok) throw new Error(response.status + " " + response.statusText); return response.blob(); @@ -6040,9 +6151,8 @@ function addAll(data) { if (y > y1) y1 = y; } - // If there were no (valid) points, inherit the existing extent. - if (x1 < x0) x0 = this._x0, x1 = this._x1; - if (y1 < y0) y0 = this._y0, y1 = this._y1; + // If there were no (valid) points, abort. + if (x0 > x1 || y0 > y1) return this; // Expand the tree to cover the new points. this.cover(x0, y0).cover(x1, y1); @@ -6072,41 +6182,26 @@ function tree_cover(x, y) { } // Otherwise, double repeatedly to cover. - else if (x0 > x || x > x1 || y0 > y || y > y1) { + else { var z = x1 - x0, node = this._root, parent, i; - switch (i = (y < (y0 + y1) / 2) << 1 | (x < (x0 + x1) / 2)) { - case 0: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x1 = x0 + z, y1 = y0 + z, x > x1 || y > y1); - break; - } - case 1: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x0 = x1 - z, y1 = y0 + z, x0 > x || y > y1); - break; - } - case 2: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x1 = x0 + z, y0 = y1 - z, x > x1 || y0 > y); - break; - } - case 3: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x0 = x1 - z, y0 = y1 - z, x0 > x || y0 > y); - break; + while (x0 > x || x >= x1 || y0 > y || y >= y1) { + i = (y < y0) << 1 | (x < x0); + parent = new Array(4), parent[i] = node, node = parent, z *= 2; + switch (i) { + case 0: x1 = x0 + z, y1 = y0 + z; break; + case 1: x0 = x1 - z, y1 = y0 + z; break; + case 2: x1 = x0 + z, y0 = y1 - z; break; + case 3: x0 = x1 - z, y0 = y1 - z; break; } } if (this._root && this._root.length) this._root = node; } - // If the quadtree covers the point already, just return. - else return this; - this._x0 = x0; this._y0 = y0; this._x1 = x1; @@ -6633,27 +6728,35 @@ function simulation(nodes) { } } - function tick() { + function tick(iterations) { var i, n = nodes.length, node; - alpha += (alphaTarget - alpha) * alphaDecay; + if (iterations === undefined) iterations = 1; - forces.each(function(force) { - force(alpha); - }); + for (var k = 0; k < iterations; ++k) { + alpha += (alphaTarget - alpha) * alphaDecay; - for (i = 0; i < n; ++i) { - node = nodes[i]; - if (node.fx == null) node.x += node.vx *= velocityDecay; - else node.x = node.fx, node.vx = 0; - if (node.fy == null) node.y += node.vy *= velocityDecay; - else node.y = node.fy, node.vy = 0; + forces.each(function (force) { + force(alpha); + }); + + for (i = 0; i < n; ++i) { + node = nodes[i]; + if (node.fx == null) node.x += node.vx *= velocityDecay; + else node.x = node.fx, node.vx = 0; + if (node.fy == null) node.y += node.vy *= velocityDecay; + else node.y = node.fy, node.vy = 0; + } } + + return simulation; } function initializeNodes() { for (var i = 0, n = nodes.length, node; i < n; ++i) { node = nodes[i], node.index = i; + if (node.fx != null) node.x = node.fx; + if (node.fy != null) node.y = node.fy; if (isNaN(node.x) || isNaN(node.y)) { var radius = initialRadius * Math.sqrt(i), angle = i * initialAngle; node.x = radius * Math.cos(angle); @@ -7867,7 +7970,7 @@ function compose(a, b) { } function rotationIdentity(lambda, phi) { - return [lambda > pi$3 ? lambda - tau$3 : lambda < -pi$3 ? lambda + tau$3 : lambda, phi]; + return [abs(lambda) > pi$3 ? lambda + Math.round(-lambda / tau$3) * tau$3 : lambda, phi]; } rotationIdentity.invert = rotationIdentity; @@ -11828,6 +11931,24 @@ var exponential$1 = (function sourceRandomExponential(source) { return randomExponential; })(defaultSource$1); +function initRange(domain, range) { + switch (arguments.length) { + case 0: break; + case 1: this.range(domain); break; + default: this.range(range).domain(domain); break; + } + return this; +} + +function initInterpolator(domain, interpolator) { + switch (arguments.length) { + case 0: break; + case 1: this.interpolator(domain); break; + default: this.interpolator(interpolator).domain(domain); break; + } + return this; +} + var array$3 = Array.prototype; var map$2 = array$3.map; @@ -11835,13 +11956,12 @@ var slice$5 = array$3.slice; var implicit = {name: "implicit"}; -function ordinal(range) { +function ordinal() { var index = map$1(), domain = [], + range = [], unknown = implicit; - range = range == null ? [] : slice$5.call(range); - function scale(d) { var key = d + "", i = index.get(key); if (!i) { @@ -11868,12 +11988,11 @@ function ordinal(range) { }; scale.copy = function() { - return ordinal() - .domain(domain) - .range(range) - .unknown(unknown); + return ordinal(domain, range).unknown(unknown); }; + initRange.apply(scale, arguments); + return scale; } @@ -11930,15 +12049,15 @@ function band() { }; scale.padding = function(_) { - return arguments.length ? (paddingInner = paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; + return arguments.length ? (paddingInner = Math.min(1, paddingOuter = +_), rescale()) : paddingInner; }; scale.paddingInner = function(_) { - return arguments.length ? (paddingInner = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; + return arguments.length ? (paddingInner = Math.min(1, _), rescale()) : paddingInner; }; scale.paddingOuter = function(_) { - return arguments.length ? (paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingOuter; + return arguments.length ? (paddingOuter = +_, rescale()) : paddingOuter; }; scale.align = function(_) { @@ -11946,16 +12065,14 @@ function band() { }; scale.copy = function() { - return band() - .domain(domain()) - .range(range$$1) + return band(domain(), range$$1) .round(round) .paddingInner(paddingInner) .paddingOuter(paddingOuter) .align(align); }; - return rescale(); + return initRange.apply(rescale(), arguments); } function pointish(scale) { @@ -11973,7 +12090,7 @@ function pointish(scale) { } function point$1() { - return pointish(band().paddingInner(1)); + return pointish(band.apply(null, arguments).paddingInner(1)); } function constant$a(x) { @@ -11988,34 +12105,32 @@ function number$2(x) { var unit = [0, 1]; -function deinterpolateLinear(a, b) { - return (b -= (a = +a)) - ? function(x) { return (x - a) / b; } - : constant$a(b); +function identity$6(x) { + return x; } -function deinterpolateClamp(deinterpolate) { - return function(a, b) { - var d = deinterpolate(a = +a, b = +b); - return function(x) { return x <= a ? 0 : x >= b ? 1 : d(x); }; - }; +function normalize(a, b) { + return (b -= (a = +a)) + ? function(x) { return (x - a) / b; } + : constant$a(isNaN(b) ? NaN : 0.5); } -function reinterpolateClamp(reinterpolate) { - return function(a, b) { - var r = reinterpolate(a = +a, b = +b); - return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; - }; +function clamper(domain) { + var a = domain[0], b = domain[domain.length - 1], t; + if (a > b) t = a, a = b, b = t; + return function(x) { return Math.max(a, Math.min(b, x)); }; } -function bimap(domain, range, deinterpolate, reinterpolate) { +// normalize(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. +// interpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding range value x in [a,b]. +function bimap(domain, range, interpolate$$1) { var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; - if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); - else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); + if (d1 < d0) d0 = normalize(d1, d0), r0 = interpolate$$1(r1, r0); + else d0 = normalize(d0, d1), r0 = interpolate$$1(r0, r1); return function(x) { return r0(d0(x)); }; } -function polymap(domain, range, deinterpolate, reinterpolate) { +function polymap(domain, range, interpolate$$1) { var j = Math.min(domain.length, range.length) - 1, d = new Array(j), r = new Array(j), @@ -12028,8 +12143,8 @@ function polymap(domain, range, deinterpolate, reinterpolate) { } while (++i < j) { - d[i] = deinterpolate(domain[i], domain[i + 1]); - r[i] = reinterpolate(range[i], range[i + 1]); + d[i] = normalize(domain[i], domain[i + 1]); + r[i] = interpolate$$1(range[i], range[i + 1]); } return function(x) { @@ -12043,16 +12158,18 @@ function copy(source, target) { .domain(source.domain()) .range(source.range()) .interpolate(source.interpolate()) - .clamp(source.clamp()); + .clamp(source.clamp()) + .unknown(source.unknown()); } -// deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. -// reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. -function continuous(deinterpolate, reinterpolate) { +function transformer$1() { var domain = unit, range = unit, interpolate$$1 = interpolateValue, - clamp = false, + transform, + untransform, + unknown, + clamp = identity$6, piecewise$$1, output, input; @@ -12064,15 +12181,15 @@ function continuous(deinterpolate, reinterpolate) { } function scale(x) { - return (output || (output = piecewise$$1(domain, range, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x); + return isNaN(x = +x) ? unknown : (output || (output = piecewise$$1(domain.map(transform), range, interpolate$$1)))(transform(clamp(x))); } scale.invert = function(y) { - return (input || (input = piecewise$$1(range, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); + return clamp(untransform((input || (input = piecewise$$1(range, domain.map(transform), interpolateNumber)))(y))); }; scale.domain = function(_) { - return arguments.length ? (domain = map$2.call(_, number$2), rescale()) : domain.slice(); + return arguments.length ? (domain = map$2.call(_, number$2), clamp === identity$6 || (clamp = clamper(domain)), rescale()) : domain.slice(); }; scale.range = function(_) { @@ -12084,20 +12201,29 @@ function continuous(deinterpolate, reinterpolate) { }; scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, rescale()) : clamp; + return arguments.length ? (clamp = _ ? clamper(domain) : identity$6, scale) : clamp !== identity$6; }; scale.interpolate = function(_) { return arguments.length ? (interpolate$$1 = _, rescale()) : interpolate$$1; }; - return rescale(); + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + + return function(t, u) { + transform = t, untransform = u; + return rescale(); + }; } -function tickFormat(domain, count, specifier) { - var start = domain[0], - stop = domain[domain.length - 1], - step = tickStep(start, stop, count == null ? 10 : count), +function continuous(transform, untransform) { + return transformer$1()(transform, untransform); +} + +function tickFormat(start, stop, count, specifier) { + var step = tickStep(start, stop, count), precision; specifier = formatSpecifier(specifier == null ? ",f" : specifier); switch (specifier.type) { @@ -12132,7 +12258,8 @@ function linearish(scale) { }; scale.tickFormat = function(count, specifier) { - return tickFormat(domain(), count, specifier); + var d = domain(); + return tickFormat(d[0], d[d.length - 1], count == null ? 10 : count, specifier); }; scale.nice = function(count) { @@ -12179,20 +12306,22 @@ function linearish(scale) { } function linear$2() { - var scale = continuous(deinterpolateLinear, interpolateNumber); + var scale = continuous(identity$6, identity$6); scale.copy = function() { return copy(scale, linear$2()); }; + initRange.apply(scale, arguments); + return linearish(scale); } -function identity$6() { - var domain = [0, 1]; +function identity$7(domain) { + var unknown; function scale(x) { - return +x; + return isNaN(x = +x) ? unknown : x; } scale.invert = scale; @@ -12201,10 +12330,16 @@ function identity$6() { return arguments.length ? (domain = map$2.call(_, number$2), scale) : domain.slice(); }; + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + scale.copy = function() { - return identity$6().domain(domain); + return identity$7(domain).unknown(unknown); }; + domain = arguments.length ? map$2.call(domain, number$2) : [0, 1]; + return linearish(scale); } @@ -12227,16 +12362,20 @@ function nice(domain, interval) { return domain; } -function deinterpolate(a, b) { - return (b = Math.log(b / a)) - ? function(x) { return Math.log(x / a) / b; } - : constant$a(b); +function transformLog(x) { + return Math.log(x); +} + +function transformExp(x) { + return Math.exp(x); +} + +function transformLogn(x) { + return -Math.log(-x); } -function reinterpolate(a, b) { - return a < 0 - ? function(t) { return -Math.pow(-b, t) * Math.pow(-a, 1 - t); } - : function(t) { return Math.pow(b, t) * Math.pow(a, 1 - t); }; +function transformExpn(x) { + return -Math.exp(-x); } function pow10(x) { @@ -12262,16 +12401,21 @@ function reflect(f) { }; } -function log$1() { - var scale = continuous(deinterpolate, reinterpolate).domain([1, 10]), +function loggish(transform) { + var scale = transform(transformLog, transformExp), domain = scale.domain, base = 10, - logs = logp(10), - pows = powp(10); + logs, + pows; function rescale() { logs = logp(base), pows = powp(base); - if (domain()[0] < 0) logs = reflect(logs), pows = reflect(pows); + if (domain()[0] < 0) { + logs = reflect(logs), pows = reflect(pows); + transform(transformLogn, transformExpn); + } else { + transform(transformLog, transformExp); + } return scale; } @@ -12343,52 +12487,105 @@ function log$1() { })); }; + return scale; +} + +function log$1() { + var scale = loggish(transformer$1()).domain([1, 10]); + scale.copy = function() { - return copy(scale, log$1().base(base)); + return copy(scale, log$1()).base(scale.base()); }; + initRange.apply(scale, arguments); + return scale; } -function raise$1(x, exponent) { - return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); +function transformSymlog(c) { + return function(x) { + return Math.sign(x) * Math.log1p(Math.abs(x / c)); + }; } -function pow$1() { - var exponent = 1, - scale = continuous(deinterpolate, reinterpolate), - domain = scale.domain; +function transformSymexp(c) { + return function(x) { + return Math.sign(x) * Math.expm1(Math.abs(x)) * c; + }; +} - function deinterpolate(a, b) { - return (b = raise$1(b, exponent) - (a = raise$1(a, exponent))) - ? function(x) { return (raise$1(x, exponent) - a) / b; } - : constant$a(b); - } +function symlogish(transform) { + var c = 1, scale = transform(transformSymlog(c), transformSymexp(c)); - function reinterpolate(a, b) { - b = raise$1(b, exponent) - (a = raise$1(a, exponent)); - return function(t) { return raise$1(a + b * t, 1 / exponent); }; + scale.constant = function(_) { + return arguments.length ? transform(transformSymlog(c = +_), transformSymexp(c)) : c; + }; + + return linearish(scale); +} + +function symlog() { + var scale = symlogish(transformer$1()); + + scale.copy = function() { + return copy(scale, symlog()).constant(scale.constant()); + }; + + return initRange.apply(scale, arguments); +} + +function transformPow(exponent) { + return function(x) { + return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); + }; +} + +function transformSqrt(x) { + return x < 0 ? -Math.sqrt(-x) : Math.sqrt(x); +} + +function transformSquare(x) { + return x < 0 ? -x * x : x * x; +} + +function powish(transform) { + var scale = transform(identity$6, identity$6), + exponent = 1; + + function rescale() { + return exponent === 1 ? transform(identity$6, identity$6) + : exponent === 0.5 ? transform(transformSqrt, transformSquare) + : transform(transformPow(exponent), transformPow(1 / exponent)); } scale.exponent = function(_) { - return arguments.length ? (exponent = +_, domain(domain())) : exponent; + return arguments.length ? (exponent = +_, rescale()) : exponent; }; + return linearish(scale); +} + +function pow$1() { + var scale = powish(transformer$1()); + scale.copy = function() { - return copy(scale, pow$1().exponent(exponent)); + return copy(scale, pow$1()).exponent(scale.exponent()); }; - return linearish(scale); + initRange.apply(scale, arguments); + + return scale; } function sqrt$1() { - return pow$1().exponent(0.5); + return pow$1.apply(null, arguments).exponent(0.5); } function quantile$$1() { var domain = [], range = [], - thresholds = []; + thresholds = [], + unknown; function rescale() { var i = 0, n = Math.max(1, range.length); @@ -12398,7 +12595,7 @@ function quantile$$1() { } function scale(x) { - if (!isNaN(x = +x)) return range[bisectRight(thresholds, x)]; + return isNaN(x = +x) ? unknown : range[bisectRight(thresholds, x)]; } scale.invertExtent = function(y) { @@ -12421,6 +12618,10 @@ function quantile$$1() { return arguments.length ? (range = slice$5.call(_), rescale()) : range.slice(); }; + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + scale.quantiles = function() { return thresholds.slice(); }; @@ -12428,10 +12629,11 @@ function quantile$$1() { scale.copy = function() { return quantile$$1() .domain(domain) - .range(range); + .range(range) + .unknown(unknown); }; - return scale; + return initRange.apply(scale, arguments); } function quantize$1() { @@ -12439,10 +12641,11 @@ function quantize$1() { x1 = 1, n = 1, domain = [0.5], - range = [0, 1]; + range = [0, 1], + unknown; function scale(x) { - if (x <= x) return range[bisectRight(domain, x, 0, n)]; + return x <= x ? range[bisectRight(domain, x, 0, n)] : unknown; } function rescale() { @@ -12468,22 +12671,32 @@ function quantize$1() { : [domain[i - 1], domain[i]]; }; + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : scale; + }; + + scale.thresholds = function() { + return domain.slice(); + }; + scale.copy = function() { return quantize$1() .domain([x0, x1]) - .range(range); + .range(range) + .unknown(unknown); }; - return linearish(scale); + return initRange.apply(linearish(scale), arguments); } function threshold$1() { var domain = [0.5], range = [0, 1], + unknown, n = 1; function scale(x) { - if (x <= x) return range[bisectRight(domain, x, 0, n)]; + return x <= x ? range[bisectRight(domain, x, 0, n)] : unknown; } scale.domain = function(_) { @@ -12499,13 +12712,18 @@ function threshold$1() { return [domain[i - 1], domain[i]]; }; + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + scale.copy = function() { return threshold$1() .domain(domain) - .range(range); + .range(range) + .unknown(unknown); }; - return scale; + return initRange.apply(scale, arguments); } var t0$1 = new Date, @@ -12607,7 +12825,7 @@ var durationDay = 864e5; var durationWeek = 6048e5; var second = newInterval(function(date) { - date.setTime(Math.floor(date / durationSecond) * durationSecond); + date.setTime(date - date.getMilliseconds()); }, function(date, step) { date.setTime(+date + step * durationSecond); }, function(start, end) { @@ -12618,7 +12836,7 @@ var second = newInterval(function(date) { var seconds = second.range; var minute = newInterval(function(date) { - date.setTime(Math.floor(date / durationMinute) * durationMinute); + date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond); }, function(date, step) { date.setTime(+date + step * durationMinute); }, function(start, end) { @@ -12629,9 +12847,7 @@ var minute = newInterval(function(date) { var minutes = minute.range; var hour = newInterval(function(date) { - var offset = date.getTimezoneOffset() * durationMinute % durationHour; - if (offset < 0) offset += durationHour; - date.setTime(Math.floor((+date - offset) / durationHour) * durationHour + offset); + date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond - date.getMinutes() * durationMinute); }, function(date, step) { date.setTime(+date + step * durationHour); }, function(start, end) { @@ -12878,7 +13094,7 @@ function formatLocale$1(locale) { "W": formatWeekNumberMonday, "x": null, "X": null, - "y": formatYear, + "y": formatYear$1, "Y": formatFullYear, "Z": formatZone, "%": formatLiteralPercent @@ -13164,7 +13380,7 @@ var pads = {"-": "", "_": " ", "0": "0"}, percentRe = /^%/, requoteRe = /[\\^$*+?|[\]().{}]/g; -function pad(value, fill, width) { +function pad$1(value, fill, width) { var sign = value < 0 ? "-" : "", string = (sign ? -value : value) + "", length = string.length; @@ -13281,23 +13497,23 @@ function parseUnixTimestampSeconds(d, string, i) { } function formatDayOfMonth(d, p) { - return pad(d.getDate(), p, 2); + return pad$1(d.getDate(), p, 2); } function formatHour24(d, p) { - return pad(d.getHours(), p, 2); + return pad$1(d.getHours(), p, 2); } function formatHour12(d, p) { - return pad(d.getHours() % 12 || 12, p, 2); + return pad$1(d.getHours() % 12 || 12, p, 2); } function formatDayOfYear(d, p) { - return pad(1 + day.count(year(d), d), p, 3); + return pad$1(1 + day.count(year(d), d), p, 3); } function formatMilliseconds(d, p) { - return pad(d.getMilliseconds(), p, 3); + return pad$1(d.getMilliseconds(), p, 3); } function formatMicroseconds(d, p) { @@ -13305,15 +13521,15 @@ function formatMicroseconds(d, p) { } function formatMonthNumber(d, p) { - return pad(d.getMonth() + 1, p, 2); + return pad$1(d.getMonth() + 1, p, 2); } function formatMinutes(d, p) { - return pad(d.getMinutes(), p, 2); + return pad$1(d.getMinutes(), p, 2); } function formatSeconds(d, p) { - return pad(d.getSeconds(), p, 2); + return pad$1(d.getSeconds(), p, 2); } function formatWeekdayNumberMonday(d) { @@ -13322,13 +13538,13 @@ function formatWeekdayNumberMonday(d) { } function formatWeekNumberSunday(d, p) { - return pad(sunday.count(year(d), d), p, 2); + return pad$1(sunday.count(year(d), d), p, 2); } function formatWeekNumberISO(d, p) { var day$$1 = d.getDay(); d = (day$$1 >= 4 || day$$1 === 0) ? thursday(d) : thursday.ceil(d); - return pad(thursday.count(year(d), d) + (year(d).getDay() === 4), p, 2); + return pad$1(thursday.count(year(d), d) + (year(d).getDay() === 4), p, 2); } function formatWeekdayNumberSunday(d) { @@ -13336,42 +13552,42 @@ function formatWeekdayNumberSunday(d) { } function formatWeekNumberMonday(d, p) { - return pad(monday.count(year(d), d), p, 2); + return pad$1(monday.count(year(d), d), p, 2); } -function formatYear(d, p) { - return pad(d.getFullYear() % 100, p, 2); +function formatYear$1(d, p) { + return pad$1(d.getFullYear() % 100, p, 2); } function formatFullYear(d, p) { - return pad(d.getFullYear() % 10000, p, 4); + return pad$1(d.getFullYear() % 10000, p, 4); } function formatZone(d) { var z = d.getTimezoneOffset(); return (z > 0 ? "-" : (z *= -1, "+")) - + pad(z / 60 | 0, "0", 2) - + pad(z % 60, "0", 2); + + pad$1(z / 60 | 0, "0", 2) + + pad$1(z % 60, "0", 2); } function formatUTCDayOfMonth(d, p) { - return pad(d.getUTCDate(), p, 2); + return pad$1(d.getUTCDate(), p, 2); } function formatUTCHour24(d, p) { - return pad(d.getUTCHours(), p, 2); + return pad$1(d.getUTCHours(), p, 2); } function formatUTCHour12(d, p) { - return pad(d.getUTCHours() % 12 || 12, p, 2); + return pad$1(d.getUTCHours() % 12 || 12, p, 2); } function formatUTCDayOfYear(d, p) { - return pad(1 + utcDay.count(utcYear(d), d), p, 3); + return pad$1(1 + utcDay.count(utcYear(d), d), p, 3); } function formatUTCMilliseconds(d, p) { - return pad(d.getUTCMilliseconds(), p, 3); + return pad$1(d.getUTCMilliseconds(), p, 3); } function formatUTCMicroseconds(d, p) { @@ -13379,15 +13595,15 @@ function formatUTCMicroseconds(d, p) { } function formatUTCMonthNumber(d, p) { - return pad(d.getUTCMonth() + 1, p, 2); + return pad$1(d.getUTCMonth() + 1, p, 2); } function formatUTCMinutes(d, p) { - return pad(d.getUTCMinutes(), p, 2); + return pad$1(d.getUTCMinutes(), p, 2); } function formatUTCSeconds(d, p) { - return pad(d.getUTCSeconds(), p, 2); + return pad$1(d.getUTCSeconds(), p, 2); } function formatUTCWeekdayNumberMonday(d) { @@ -13396,13 +13612,13 @@ function formatUTCWeekdayNumberMonday(d) { } function formatUTCWeekNumberSunday(d, p) { - return pad(utcSunday.count(utcYear(d), d), p, 2); + return pad$1(utcSunday.count(utcYear(d), d), p, 2); } function formatUTCWeekNumberISO(d, p) { var day$$1 = d.getUTCDay(); d = (day$$1 >= 4 || day$$1 === 0) ? utcThursday(d) : utcThursday.ceil(d); - return pad(utcThursday.count(utcYear(d), d) + (utcYear(d).getUTCDay() === 4), p, 2); + return pad$1(utcThursday.count(utcYear(d), d) + (utcYear(d).getUTCDay() === 4), p, 2); } function formatUTCWeekdayNumberSunday(d) { @@ -13410,15 +13626,15 @@ function formatUTCWeekdayNumberSunday(d) { } function formatUTCWeekNumberMonday(d, p) { - return pad(utcMonday.count(utcYear(d), d), p, 2); + return pad$1(utcMonday.count(utcYear(d), d), p, 2); } function formatUTCYear(d, p) { - return pad(d.getUTCFullYear() % 100, p, 2); + return pad$1(d.getUTCFullYear() % 100, p, 2); } function formatUTCFullYear(d, p) { - return pad(d.getUTCFullYear() % 10000, p, 4); + return pad$1(d.getUTCFullYear() % 10000, p, 4); } function formatUTCZone() { @@ -13495,7 +13711,7 @@ function number$3(t) { } function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format) { - var scale = continuous(deinterpolateLinear, interpolateNumber), + var scale = continuous(identity$6, identity$6), invert = scale.invert, domain = scale.domain; @@ -13529,14 +13745,14 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 [ year$$1, 1, durationYear ] ]; - function tickFormat(date$$1) { - return (second$$1(date$$1) < date$$1 ? formatMillisecond - : minute$$1(date$$1) < date$$1 ? formatSecond - : hour$$1(date$$1) < date$$1 ? formatMinute - : day$$1(date$$1) < date$$1 ? formatHour - : month$$1(date$$1) < date$$1 ? (week(date$$1) < date$$1 ? formatDay : formatWeek) - : year$$1(date$$1) < date$$1 ? formatMonth - : formatYear)(date$$1); + function tickFormat(date) { + return (second$$1(date) < date ? formatMillisecond + : minute$$1(date) < date ? formatSecond + : hour$$1(date) < date ? formatMinute + : day$$1(date) < date ? formatHour + : month$$1(date) < date ? (week(date) < date ? formatDay : formatWeek) + : year$$1(date) < date ? formatMonth + : formatYear)(date); } function tickInterval(interval, start, stop, step) { @@ -13603,26 +13819,30 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 } function time() { - return calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]); + return initRange.apply(calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments); } function utcTime() { - return calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); + return initRange.apply(calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]), arguments); } -function sequential(interpolator) { +function transformer$2() { var x0 = 0, x1 = 1, - k10 = 1, - clamp = false; + t0, + t1, + k10, + transform, + interpolator = identity$6, + clamp = false, + unknown; function scale(x) { - var t = (x - x0) * k10; - return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t); + return isNaN(x = +x) ? unknown : interpolator(k10 === 0 ? 0.5 : (x = (transform(x) - t0) * k10, clamp ? Math.max(0, Math.min(1, x)) : x)); } scale.domain = function(_) { - return arguments.length ? (x0 = +_[0], x1 = +_[1], k10 = x0 === x1 ? 0 : 1 / (x1 - x0), scale) : [x0, x1]; + return arguments.length ? (t0 = transform(x0 = +_[0]), t1 = transform(x1 = +_[1]), k10 = t0 === t1 ? 0 : 1 / (t1 - t0), scale) : [x0, x1]; }; scale.clamp = function(_) { @@ -13633,28 +13853,115 @@ function sequential(interpolator) { return arguments.length ? (interpolator = _, scale) : interpolator; }; + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + + return function(t) { + transform = t, t0 = t(x0), t1 = t(x1), k10 = t0 === t1 ? 0 : 1 / (t1 - t0); + return scale; + }; +} + +function copy$1(source, target) { + return target + .domain(source.domain()) + .interpolator(source.interpolator()) + .clamp(source.clamp()) + .unknown(source.unknown()); +} + +function sequential() { + var scale = linearish(transformer$2()(identity$6)); + + scale.copy = function() { + return copy$1(scale, sequential()); + }; + + return initInterpolator.apply(scale, arguments); +} + +function sequentialLog() { + var scale = loggish(transformer$2()).domain([1, 10]); + scale.copy = function() { - return sequential(interpolator).domain([x0, x1]).clamp(clamp); + return copy$1(scale, sequentialLog()).base(scale.base()); }; - return linearish(scale); + return initInterpolator.apply(scale, arguments); } -function diverging(interpolator) { +function sequentialSymlog() { + var scale = symlogish(transformer$2()); + + scale.copy = function() { + return copy$1(scale, sequentialSymlog()).constant(scale.constant()); + }; + + return initInterpolator.apply(scale, arguments); +} + +function sequentialPow() { + var scale = powish(transformer$2()); + + scale.copy = function() { + return copy$1(scale, sequentialPow()).exponent(scale.exponent()); + }; + + return initInterpolator.apply(scale, arguments); +} + +function sequentialSqrt() { + return sequentialPow.apply(null, arguments).exponent(0.5); +} + +function sequentialQuantile() { + var domain = [], + interpolator = identity$6; + + function scale(x) { + if (!isNaN(x = +x)) return interpolator((bisectRight(domain, x) - 1) / (domain.length - 1)); + } + + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = []; + for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); + domain.sort(ascending); + return scale; + }; + + scale.interpolator = function(_) { + return arguments.length ? (interpolator = _, scale) : interpolator; + }; + + scale.copy = function() { + return sequentialQuantile(interpolator).domain(domain); + }; + + return initInterpolator.apply(scale, arguments); +} + +function transformer$3() { var x0 = 0, x1 = 0.5, x2 = 1, - k10 = 1, - k21 = 1, - clamp = false; + t0, + t1, + t2, + k10, + k21, + interpolator = identity$6, + transform, + clamp = false, + unknown; function scale(x) { - var t = 0.5 + ((x = +x) - x1) * (x < x1 ? k10 : k21); - return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t); + return isNaN(x = +x) ? unknown : (x = 0.5 + ((x = +transform(x)) - t1) * (x < t1 ? k10 : k21), interpolator(clamp ? Math.max(0, Math.min(1, x)) : x)); } scale.domain = function(_) { - return arguments.length ? (x0 = +_[0], x1 = +_[1], x2 = +_[2], k10 = x0 === x1 ? 0 : 0.5 / (x1 - x0), k21 = x1 === x2 ? 0 : 0.5 / (x2 - x1), scale) : [x0, x1, x2]; + return arguments.length ? (t0 = transform(x0 = +_[0]), t1 = transform(x1 = +_[1]), t2 = transform(x2 = +_[2]), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1), scale) : [x0, x1, x2]; }; scale.clamp = function(_) { @@ -13665,11 +13972,58 @@ function diverging(interpolator) { return arguments.length ? (interpolator = _, scale) : interpolator; }; + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + + return function(t) { + transform = t, t0 = t(x0), t1 = t(x1), t2 = t(x2), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1); + return scale; + }; +} + +function diverging() { + var scale = linearish(transformer$3()(identity$6)); + scale.copy = function() { - return diverging(interpolator).domain([x0, x1, x2]).clamp(clamp); + return copy$1(scale, diverging()); }; - return linearish(scale); + return initInterpolator.apply(scale, arguments); +} + +function divergingLog() { + var scale = loggish(transformer$3()).domain([0.1, 1, 10]); + + scale.copy = function() { + return copy$1(scale, divergingLog()).base(scale.base()); + }; + + return initInterpolator.apply(scale, arguments); +} + +function divergingSymlog() { + var scale = symlogish(transformer$3()); + + scale.copy = function() { + return copy$1(scale, divergingSymlog()).constant(scale.constant()); + }; + + return initInterpolator.apply(scale, arguments); +} + +function divergingPow() { + var scale = powish(transformer$3()); + + scale.copy = function() { + return copy$1(scale, divergingPow()).exponent(scale.exponent()); + }; + + return initInterpolator.apply(scale, arguments); +} + +function divergingSqrt() { + return divergingPow.apply(null, arguments).exponent(0.5); } function colors(specifier) { @@ -14137,7 +14491,9 @@ function arcPadAngle(d) { function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { var x10 = x1 - x0, y10 = y1 - y0, x32 = x3 - x2, y32 = y3 - y2, - t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / (y32 * x10 - x32 * y10); + t = y32 * x10 - x32 * y10; + if (t * t < epsilon$3) return; + t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / t; return [x0 + t * x10, y0 + t * y10]; } @@ -14258,12 +14614,12 @@ function arc() { var x11 = r1 * cos$2(a11), y11 = r1 * sin$2(a11), x00 = r0 * cos$2(a00), - y00 = r0 * sin$2(a00); + y00 = r0 * sin$2(a00), + oc; // Restrict the corner radius according to the sector angle. - if (da < pi$4) { - var oc = da0 > epsilon$3 ? intersect(x01, y01, x00, y00, x11, y11, x10, y10) : [x10, y10], - ax = x01 - oc[0], + if (da < pi$4 && (oc = intersect(x01, y01, x00, y00, x11, y11, x10, y10))) { + var ax = x01 - oc[0], ay = y01 - oc[1], bx = x11 - oc[0], by = y11 - oc[1], @@ -14569,12 +14925,12 @@ function descending$1(a, b) { return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; } -function identity$7(d) { +function identity$8(d) { return d; } function pie() { - var value = identity$7, + var value = identity$8, sortValues = descending$1, sort = null, startAngle = constant$b(0), @@ -15917,6 +16273,17 @@ function wiggle(series, order) { none$1(series, order); } +function appearance(series) { + var peaks = series.map(peak); + return none$2(series).sort(function(a, b) { return peaks[a] - peaks[b]; }); +} + +function peak(series) { + var i = -1, j = 0, n = series.length, vi, vj = -Infinity; + while (++i < n) if ((vi = +series[i][1]) > vj) vj = vi, j = i; + return j; +} + function ascending$3(series) { var sums = series.map(sum$2); return none$2(series).sort(function(a, b) { return sums[a] - sums[b]; }); @@ -15937,7 +16304,7 @@ function insideOut(series) { i, j, sums = series.map(sum$2), - order = none$2(series).sort(function(a, b) { return sums[b] - sums[a]; }), + order = appearance(series), top = 0, bottom = 0, tops = [], @@ -17003,12 +17370,12 @@ Transform.prototype = { } }; -var identity$8 = new Transform(1, 0, 0); +var identity$9 = new Transform(1, 0, 0); transform$1.prototype = Transform.prototype; function transform$1(node) { - return node.__zoom || identity$8; + return node.__zoom || identity$9; } function nopropagation$2() { @@ -17039,7 +17406,7 @@ function defaultExtent$1() { } function defaultTransform() { - return this.__zoom || identity$8; + return this.__zoom || identity$9; } function defaultWheelDelta() { @@ -17141,7 +17508,7 @@ function zoom() { var e = extent.apply(this, arguments), t = this.__zoom, p = centroid(e); - return constrain(identity$8.translate(p[0], p[1]).scale(t.k).translate( + return constrain(identity$9.translate(p[0], p[1]).scale(t.k).translate( typeof x === "function" ? -x.apply(this, arguments) : -x, typeof y === "function" ? -y.apply(this, arguments) : -y ), e, translateExtent); @@ -17502,11 +17869,14 @@ exports.dsvFormat = dsvFormat; exports.csvParse = csvParse; exports.csvParseRows = csvParseRows; exports.csvFormat = csvFormat; +exports.csvFormatBody = csvFormatBody; exports.csvFormatRows = csvFormatRows; exports.tsvParse = tsvParse; exports.tsvParseRows = tsvParseRows; exports.tsvFormat = tsvFormat; +exports.tsvFormatBody = tsvFormatBody; exports.tsvFormatRows = tsvFormatRows; +exports.autoType = autoType; exports.easeLinear = linear$1; exports.easeQuad = quadInOut; exports.easeQuadIn = quadIn; @@ -17674,9 +18044,10 @@ exports.randomIrwinHall = irwinHall; exports.randomExponential = exponential$1; exports.scaleBand = band; exports.scalePoint = point$1; -exports.scaleIdentity = identity$6; +exports.scaleIdentity = identity$7; exports.scaleLinear = linear$2; exports.scaleLog = log$1; +exports.scaleSymlog = symlog; exports.scaleOrdinal = ordinal; exports.scaleImplicit = implicit; exports.scalePow = pow$1; @@ -17687,7 +18058,17 @@ exports.scaleThreshold = threshold$1; exports.scaleTime = time; exports.scaleUtc = utcTime; exports.scaleSequential = sequential; +exports.scaleSequentialLog = sequentialLog; +exports.scaleSequentialPow = sequentialPow; +exports.scaleSequentialSqrt = sequentialSqrt; +exports.scaleSequentialSymlog = sequentialSymlog; +exports.scaleSequentialQuantile = sequentialQuantile; exports.scaleDiverging = diverging; +exports.scaleDivergingLog = divergingLog; +exports.scaleDivergingPow = divergingPow; +exports.scaleDivergingSqrt = divergingSqrt; +exports.scaleDivergingSymlog = divergingSymlog; +exports.tickFormat = tickFormat; exports.schemeCategory10 = category10; exports.schemeAccent = Accent; exports.schemeDark2 = Dark2; @@ -17763,7 +18144,7 @@ exports.interpolatePlasma = plasma; exports.create = create; exports.creator = creator; exports.local = local; -exports.matcher = matcher$1; +exports.matcher = matcher; exports.mouse = mouse; exports.namespace = namespace; exports.namespaces = namespaces; @@ -17823,6 +18204,7 @@ exports.stackOffsetDiverging = diverging$1; exports.stackOffsetNone = none$1; exports.stackOffsetSilhouette = silhouette; exports.stackOffsetWiggle = wiggle; +exports.stackOrderAppearance = appearance; exports.stackOrderAscending = ascending$3; exports.stackOrderDescending = descending$2; exports.stackOrderInsideOut = insideOut; @@ -17904,7 +18286,7 @@ exports.interrupt = interrupt; exports.voronoi = voronoi; exports.zoom = zoom; exports.zoomTransform = transform$1; -exports.zoomIdentity = identity$8; +exports.zoomIdentity = identity$9; Object.defineProperty(exports, '__esModule', { value: true }); diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index 2a54e04..6b882ae 100644 --- a/app/assets/javascripts/d3.min.js 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return this.matches(selector); }; -}; - -if (typeof document !== "undefined") { - var element = document.documentElement; - if (!element.matches) { - var vendorMatches = element.webkitMatchesSelector - || element.msMatchesSelector - || element.mozMatchesSelector - || element.oMatchesSelector; - matcher = function(selector) { - return function() { - return vendorMatches.call(this, selector); - }; - }; - } } -var matcher$1 = matcher; - function selection_filter(match) { - if (typeof match !== "function") match = matcher$1(match); + if (typeof match !== "function") match = matcher(match); for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { @@ -1089,6 +1072,14 @@ function selection_exit() { return new Selection(this._exit || this._groups.map(sparse), this._parents); } +function selection_join(onenter, onupdate, onexit) { + var enter = this.enter(), update = this, exit = this.exit(); + enter = typeof onenter === "function" ? onenter(enter) : enter.append(onenter + ""); + if (onupdate != null) update = onupdate(update); + if (onexit == null) exit.remove(); else onexit(exit); + return enter && update ? enter.merge(update).order() : update; +} + function selection_merge(selection$$1) { for (var groups0 = this._groups, groups1 = selection$$1._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { @@ -1111,7 +1102,7 @@ function selection_order() { for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) { if (node = group[i]) { - if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); + if (next && node.compareDocumentPosition(next) ^ 4) next.parentNode.insertBefore(node, next); next = node; } } @@ -1509,8 +1500,8 @@ var filterEvents = {}; exports.event = null; if (typeof document !== "undefined") { - var element$1 = document.documentElement; - if (!("onmouseenter" in element$1)) { + var element = document.documentElement; + if (!("onmouseenter" in element)) { filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; } } @@ -1664,6 +1655,7 @@ Selection.prototype = selection.prototype = { data: selection_data, enter: selection_enter, exit: selection_exit, + join: selection_join, merge: selection_merge, order: selection_order, sort: selection_sort, @@ -3200,7 +3192,7 @@ function interval$1(callback, delay, time) { return t; } -var emptyOn = dispatch("start", "end", "interrupt"); +var emptyOn = dispatch("start", "end", "cancel", "interrupt"); var emptyTween = []; var CREATED = 0; @@ -3238,7 +3230,7 @@ function init(node, id) { function set$1(node, id) { var schedule = get$1(node, id); - if (schedule.state > STARTING) throw new Error("too late; already started"); + if (schedule.state > STARTED) throw new Error("too late; already running"); return schedule; } @@ -3281,7 +3273,6 @@ function create$1(node, id, self) { if (o.state === STARTED) return timeout$1(start); // Interrupt the active transition, if any. - // Dispatch the interrupt event. if (o.state === RUNNING) { o.state = ENDED; o.timer.stop(); @@ -3289,12 +3280,11 @@ function create$1(node, id, self) { delete schedules[i]; } - // Cancel any pre-empted transitions. No interrupt event is dispatched - // because the cancelled transitions never started. Note that this also - // removes this transition from the pending list! + // Cancel any pre-empted transitions. else if (+i < id) { o.state = ENDED; o.timer.stop(); + o.on.call("cancel", node, node.__data__, o.index, o.group); delete schedules[i]; } } @@ -3334,7 +3324,7 @@ function create$1(node, id, self) { n = tween.length; while (++i < n) { - tween[i].call(null, t); + tween[i].call(node, t); } // Dispatch the end event. @@ -3369,7 +3359,7 @@ function interrupt(node, name) { active = schedule$$1.state > STARTING && schedule$$1.state < ENDING; schedule$$1.state = ENDED; schedule$$1.timer.stop(); - if (active) schedule$$1.on.call("interrupt", node, node.__data__, schedule$$1.index, schedule$$1.group); + schedule$$1.on.call(active ? "interrupt" : "cancel", node, node.__data__, schedule$$1.index, schedule$$1.group); delete schedules[i]; } @@ -3483,52 +3473,56 @@ function attrRemoveNS$1(fullname) { } function attrConstant$1(name, interpolate$$1, value1) { - var value00, + var string00, + string1 = value1 + "", interpolate0; return function() { - var value0 = this.getAttribute(name); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value1); + var string0 = this.getAttribute(name); + return string0 === string1 ? null + : string0 === string00 ? interpolate0 + : interpolate0 = interpolate$$1(string00 = string0, value1); }; } function attrConstantNS$1(fullname, interpolate$$1, value1) { - var value00, + var string00, + string1 = value1 + "", interpolate0; return function() { - var value0 = this.getAttributeNS(fullname.space, fullname.local); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value1); + var string0 = this.getAttributeNS(fullname.space, fullname.local); + return string0 === string1 ? null + : string0 === string00 ? interpolate0 + : interpolate0 = interpolate$$1(string00 = string0, value1); }; } function attrFunction$1(name, interpolate$$1, value) { - var value00, - value10, + var string00, + string10, interpolate0; return function() { - var value0, value1 = value(this); + var string0, value1 = value(this), string1; if (value1 == null) return void this.removeAttribute(name); - value0 = this.getAttribute(name); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + string0 = this.getAttribute(name); + string1 = value1 + ""; + return string0 === string1 ? null + : string0 === string00 && string1 === string10 ? interpolate0 + : (string10 = string1, interpolate0 = interpolate$$1(string00 = string0, value1)); }; } function attrFunctionNS$1(fullname, interpolate$$1, value) { - var value00, - value10, + var string00, + string10, interpolate0; return function() { - var value0, value1 = value(this); + var string0, value1 = value(this), string1; if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local); - value0 = this.getAttributeNS(fullname.space, fullname.local); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + string0 = this.getAttributeNS(fullname.space, fullname.local); + string1 = value1 + ""; + return string0 === string1 ? null + : string0 === string00 && string1 === string10 ? interpolate0 + : (string10 = string1, interpolate0 = interpolate$$1(string00 = string0, value1)); }; } @@ -3537,26 +3531,38 @@ function transition_attr(name, value) { return this.attrTween(name, typeof value === "function" ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) - : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value + "")); + : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); +} + +function attrInterpolate(name, i) { + return function(t) { + this.setAttribute(name, i(t)); + }; +} + +function attrInterpolateNS(fullname, i) { + return function(t) { + this.setAttributeNS(fullname.space, fullname.local, i(t)); + }; } function attrTweenNS(fullname, value) { + var t0, i0; function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.setAttributeNS(fullname.space, fullname.local, i(t)); - }; + var i = value.apply(this, arguments); + if (i !== i0) t0 = (i0 = i) && attrInterpolateNS(fullname, i); + return t0; } tween._value = value; return tween; } function attrTween(name, value) { + var t0, i0; function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.setAttribute(name, i(t)); - }; + var i = value.apply(this, arguments); + if (i !== i0) t0 = (i0 = i) && attrInterpolate(name, i); + return t0; } tween._value = value; return tween; @@ -3631,7 +3637,7 @@ function transition_ease(value) { } function transition_filter(match) { - if (typeof match !== "function") match = matcher$1(match); + if (typeof match !== "function") match = matcher(match); for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { @@ -3753,66 +3759,93 @@ function transition_selection() { return new Selection$1(this._groups, this._parents); } -function styleRemove$1(name, interpolate$$1) { - var value00, - value10, +function styleNull(name, interpolate$$1) { + var string00, + string10, interpolate0; return function() { - var value0 = styleValue(this, name), - value1 = (this.style.removeProperty(name), styleValue(this, name)); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + var string0 = styleValue(this, name), + string1 = (this.style.removeProperty(name), styleValue(this, name)); + return string0 === string1 ? null + : string0 === string00 && string1 === string10 ? interpolate0 + : interpolate0 = interpolate$$1(string00 = string0, string10 = string1); }; } -function styleRemoveEnd(name) { +function styleRemove$1(name) { return function() { this.style.removeProperty(name); }; } function styleConstant$1(name, interpolate$$1, value1) { - var value00, + var string00, + string1 = value1 + "", interpolate0; return function() { - var value0 = styleValue(this, name); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value1); + var string0 = styleValue(this, name); + return string0 === string1 ? null + : string0 === string00 ? interpolate0 + : interpolate0 = interpolate$$1(string00 = string0, value1); }; } function styleFunction$1(name, interpolate$$1, value) { - var value00, - value10, + var string00, + string10, interpolate0; return function() { - var value0 = styleValue(this, name), - value1 = value(this); - if (value1 == null) value1 = (this.style.removeProperty(name), styleValue(this, name)); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); + var string0 = styleValue(this, name), + value1 = value(this), + string1 = value1 + ""; + if (value1 == null) string1 = value1 = (this.style.removeProperty(name), styleValue(this, name)); + return string0 === string1 ? null + : string0 === string00 && string1 === string10 ? interpolate0 + : (string10 = string1, interpolate0 = interpolate$$1(string00 = string0, value1)); + }; +} + +function styleMaybeRemove(id, name) { + var on0, on1, listener0, key = "style." + name, event = "end." + key, remove; + return function() { + var schedule$$1 = set$1(this, id), + on = schedule$$1.on, + listener = schedule$$1.value[key] == null ? remove || (remove = styleRemove$1(name)) : undefined; + + // If this node shared a dispatch with the previous node, + // just assign the updated shared dispatch and we’re done! + // Otherwise, copy-on-write. + if (on !== on0 || listener0 !== listener) (on1 = (on0 = on).copy()).on(event, listener0 = listener); + + schedule$$1.on = on1; }; } function transition_style(name, value, priority) { var i = (name += "") === "transform" ? interpolateTransformCss : interpolate; return value == null ? this - .styleTween(name, styleRemove$1(name, i)) - .on("end.style." + name, styleRemoveEnd(name)) - : this.styleTween(name, typeof value === "function" - ? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) - : styleConstant$1(name, i, value + ""), priority); + .styleTween(name, styleNull(name, i)) + .on("end.style." + name, styleRemove$1(name)) + : typeof value === "function" ? this + .styleTween(name, styleFunction$1(name, i, tweenValue(this, "style." + name, value))) + .each(styleMaybeRemove(this._id, name)) + : this + .styleTween(name, styleConstant$1(name, i, value), priority) + .on("end.style." + name, null); +} + +function styleInterpolate(name, i, priority) { + return function(t) { + this.style.setProperty(name, i(t), priority); + }; } function styleTween(name, value, priority) { + var t, i0; function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.style.setProperty(name, i(t), priority); - }; + var i = value.apply(this, arguments); + if (i !== i0) t = (i0 = i) && styleInterpolate(name, i, priority); + return t; } tween._value = value; return tween; @@ -3867,6 +3900,31 @@ function transition_transition() { return new Transition(groups, this._parents, name, id1); } +function transition_end() { + var on0, on1, that = this, id = that._id, size = that.size(); + return new Promise(function(resolve, reject) { + var cancel = {value: reject}, + end = {value: function() { if (--size === 0) resolve(); }}; + + that.each(function() { + var schedule$$1 = set$1(this, id), + on = schedule$$1.on; + + // If this node shared a dispatch with the previous node, + // just assign the updated shared dispatch and we’re done! + // Otherwise, copy-on-write. + if (on !== on0) { + on1 = (on0 = on).copy(); + on1._.cancel.push(cancel); + on1._.interrupt.push(cancel); + on1._.end.push(end); + } + + schedule$$1.on = on1; + }); + }); +} + var id = 0; function Transition(groups, parents, name, id) { @@ -3910,7 +3968,8 @@ Transition.prototype = transition.prototype = { tween: transition_tween, delay: transition_delay, duration: transition_duration, - ease: transition_ease + ease: transition_ease, + end: transition_end }; function linear$1(t) { @@ -5735,6 +5794,30 @@ function inferColumns(rows) { return columns; } +function pad(value, width) { + var s = value + "", length = s.length; + return length < width ? new Array(width - length + 1).join(0) + s : s; +} + +function formatYear(year) { + return year < 0 ? "-" + pad(-year, 6) + : year > 9999 ? "+" + pad(year, 6) + : pad(year, 4); +} + +function formatDate(date) { + var hours = date.getUTCHours(), + minutes = date.getUTCMinutes(), + seconds = date.getUTCSeconds(), + milliseconds = date.getUTCMilliseconds(); + return isNaN(date) ? "Invalid Date" + : formatYear(date.getUTCFullYear(), 4) + "-" + pad(date.getUTCMonth() + 1, 2) + "-" + pad(date.getUTCDate(), 2) + + (milliseconds ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + ":" + pad(seconds, 2) + "." + pad(milliseconds, 3) + "Z" + : seconds ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + ":" + pad(seconds, 2) + "Z" + : minutes || hours ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + "Z" + : ""); +} + function dsvFormat(delimiter) { var reFormat = new RegExp("[\"" + delimiter + "\n\r]"), DELIMITER = delimiter.charCodeAt(0); @@ -5797,13 +5880,22 @@ function dsvFormat(delimiter) { return rows; } - function format(rows, columns) { - if (columns == null) columns = inferColumns(rows); - return [columns.map(formatValue).join(delimiter)].concat(rows.map(function(row) { + function preformatBody(rows, columns) { + return rows.map(function(row) { return columns.map(function(column) { return formatValue(row[column]); }).join(delimiter); - })).join("\n"); + }); + } + + function format(rows, columns) { + if (columns == null) columns = inferColumns(rows); + return [columns.map(formatValue).join(delimiter)].concat(preformatBody(rows, columns)).join("\n"); + } + + function formatBody(rows, columns) { + if (columns == null) columns = inferColumns(rows); + return preformatBody(rows, columns).join("\n"); } function formatRows(rows) { @@ -5814,16 +5906,18 @@ function dsvFormat(delimiter) { return row.map(formatValue).join(delimiter); } - function formatValue(text) { - return text == null ? "" - : reFormat.test(text += "") ? "\"" + text.replace(/"/g, "\"\"") + "\"" - : text; + function formatValue(value) { + return value == null ? "" + : value instanceof Date ? formatDate(value) + : reFormat.test(value += "") ? "\"" + value.replace(/"/g, "\"\"") + "\"" + : value; } return { parse: parse, parseRows: parseRows, format: format, + formatBody: formatBody, formatRows: formatRows }; } @@ -5833,6 +5927,7 @@ var csv = dsvFormat(","); var csvParse = csv.parse; var csvParseRows = csv.parseRows; var csvFormat = csv.format; +var csvFormatBody = csv.formatBody; var csvFormatRows = csv.formatRows; var tsv = dsvFormat("\t"); @@ -5840,8 +5935,24 @@ var tsv = dsvFormat("\t"); var tsvParse = tsv.parse; var tsvParseRows = tsv.parseRows; var tsvFormat = tsv.format; +var tsvFormatBody = tsv.formatBody; var tsvFormatRows = tsv.formatRows; +function autoType(object) { + for (var key in object) { + var value = object[key].trim(), number; + if (!value) value = null; + else if (value === "true") value = true; + else if (value === "false") value = false; + else if (value === "NaN") value = NaN; + else if (!isNaN(number = +value)) value = number; + else if (/^([-+]\d{2})?\d{4}(-\d{2}(-\d{2})?)?(T\d{2}:\d{2}(:\d{2}(\.\d{3})?)?(Z|[-+]\d{2}:\d{2})?)?$/.test(value)) value = new Date(value); + else continue; + object[key] = value; + } + return object; +} + function responseBlob(response) { if (!response.ok) throw new Error(response.status + " " + response.statusText); return response.blob(); @@ -6040,9 +6151,8 @@ function addAll(data) { if (y > y1) y1 = y; } - // If there were no (valid) points, inherit the existing extent. - if (x1 < x0) x0 = this._x0, x1 = this._x1; - if (y1 < y0) y0 = this._y0, y1 = this._y1; + // If there were no (valid) points, abort. + if (x0 > x1 || y0 > y1) return this; // Expand the tree to cover the new points. this.cover(x0, y0).cover(x1, y1); @@ -6072,41 +6182,26 @@ function tree_cover(x, y) { } // Otherwise, double repeatedly to cover. - else if (x0 > x || x > x1 || y0 > y || y > y1) { + else { var z = x1 - x0, node = this._root, parent, i; - switch (i = (y < (y0 + y1) / 2) << 1 | (x < (x0 + x1) / 2)) { - case 0: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x1 = x0 + z, y1 = y0 + z, x > x1 || y > y1); - break; - } - case 1: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x0 = x1 - z, y1 = y0 + z, x0 > x || y > y1); - break; - } - case 2: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x1 = x0 + z, y0 = y1 - z, x > x1 || y0 > y); - break; - } - case 3: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x0 = x1 - z, y0 = y1 - z, x0 > x || y0 > y); - break; + while (x0 > x || x >= x1 || y0 > y || y >= y1) { + i = (y < y0) << 1 | (x < x0); + parent = new Array(4), parent[i] = node, node = parent, z *= 2; + switch (i) { + case 0: x1 = x0 + z, y1 = y0 + z; break; + case 1: x0 = x1 - z, y1 = y0 + z; break; + case 2: x1 = x0 + z, y0 = y1 - z; break; + case 3: x0 = x1 - z, y0 = y1 - z; break; } } if (this._root && this._root.length) this._root = node; } - // If the quadtree covers the point already, just return. - else return this; - this._x0 = x0; this._y0 = y0; this._x1 = x1; @@ -6633,27 +6728,35 @@ function simulation(nodes) { } } - function tick() { + function tick(iterations) { var i, n = nodes.length, node; - alpha += (alphaTarget - alpha) * alphaDecay; + if (iterations === undefined) iterations = 1; - forces.each(function(force) { - force(alpha); - }); + for (var k = 0; k < iterations; ++k) { + alpha += (alphaTarget - alpha) * alphaDecay; - for (i = 0; i < n; ++i) { - node = nodes[i]; - if (node.fx == null) node.x += node.vx *= velocityDecay; - else node.x = node.fx, node.vx = 0; - if (node.fy == null) node.y += node.vy *= velocityDecay; - else node.y = node.fy, node.vy = 0; + forces.each(function (force) { + force(alpha); + }); + + for (i = 0; i < n; ++i) { + node = nodes[i]; + if (node.fx == null) node.x += node.vx *= velocityDecay; + else node.x = node.fx, node.vx = 0; + if (node.fy == null) node.y += node.vy *= velocityDecay; + else node.y = node.fy, node.vy = 0; + } } + + return simulation; } function initializeNodes() { for (var i = 0, n = nodes.length, node; i < n; ++i) { node = nodes[i], node.index = i; + if (node.fx != null) node.x = node.fx; + if (node.fy != null) node.y = node.fy; if (isNaN(node.x) || isNaN(node.y)) { var radius = initialRadius * Math.sqrt(i), angle = i * initialAngle; node.x = radius * Math.cos(angle); @@ -7867,7 +7970,7 @@ function compose(a, b) { } function rotationIdentity(lambda, phi) { - return [lambda > pi$3 ? lambda - tau$3 : lambda < -pi$3 ? lambda + tau$3 : lambda, phi]; + return [abs(lambda) > pi$3 ? lambda + Math.round(-lambda / tau$3) * tau$3 : lambda, phi]; } rotationIdentity.invert = rotationIdentity; @@ -11828,6 +11931,24 @@ var exponential$1 = (function sourceRandomExponential(source) { return randomExponential; })(defaultSource$1); +function initRange(domain, range) { + switch (arguments.length) { + case 0: break; + case 1: this.range(domain); break; + default: this.range(range).domain(domain); break; + } + return this; +} + +function initInterpolator(domain, interpolator) { + switch (arguments.length) { + case 0: break; + case 1: this.interpolator(domain); break; + default: this.interpolator(interpolator).domain(domain); break; + } + return this; +} + var array$3 = Array.prototype; var map$2 = array$3.map; @@ -11835,13 +11956,12 @@ var slice$5 = array$3.slice; var implicit = {name: "implicit"}; -function ordinal(range) { +function ordinal() { var index = map$1(), domain = [], + range = [], unknown = implicit; - range = range == null ? [] : slice$5.call(range); - function scale(d) { var key = d + "", i = index.get(key); if (!i) { @@ -11868,12 +11988,11 @@ function ordinal(range) { }; scale.copy = function() { - return ordinal() - .domain(domain) - .range(range) - .unknown(unknown); + return ordinal(domain, range).unknown(unknown); }; + initRange.apply(scale, arguments); + return scale; } @@ -11930,15 +12049,15 @@ function band() { }; scale.padding = function(_) { - return arguments.length ? (paddingInner = paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; + return arguments.length ? (paddingInner = Math.min(1, paddingOuter = +_), rescale()) : paddingInner; }; scale.paddingInner = function(_) { - return arguments.length ? (paddingInner = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; + return arguments.length ? (paddingInner = Math.min(1, _), rescale()) : paddingInner; }; scale.paddingOuter = function(_) { - return arguments.length ? (paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingOuter; + return arguments.length ? (paddingOuter = +_, rescale()) : paddingOuter; }; scale.align = function(_) { @@ -11946,16 +12065,14 @@ function band() { }; scale.copy = function() { - return band() - .domain(domain()) - .range(range$$1) + return band(domain(), range$$1) .round(round) .paddingInner(paddingInner) .paddingOuter(paddingOuter) .align(align); }; - return rescale(); + return initRange.apply(rescale(), arguments); } function pointish(scale) { @@ -11973,7 +12090,7 @@ function pointish(scale) { } function point$1() { - return pointish(band().paddingInner(1)); + return pointish(band.apply(null, arguments).paddingInner(1)); } function constant$a(x) { @@ -11988,34 +12105,32 @@ function number$2(x) { var unit = [0, 1]; -function deinterpolateLinear(a, b) { - return (b -= (a = +a)) - ? function(x) { return (x - a) / b; } - : constant$a(b); +function identity$6(x) { + return x; } -function deinterpolateClamp(deinterpolate) { - return function(a, b) { - var d = deinterpolate(a = +a, b = +b); - return function(x) { return x <= a ? 0 : x >= b ? 1 : d(x); }; - }; +function normalize(a, b) { + return (b -= (a = +a)) + ? function(x) { return (x - a) / b; } + : constant$a(isNaN(b) ? NaN : 0.5); } -function reinterpolateClamp(reinterpolate) { - return function(a, b) { - var r = reinterpolate(a = +a, b = +b); - return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; - }; +function clamper(domain) { + var a = domain[0], b = domain[domain.length - 1], t; + if (a > b) t = a, a = b, b = t; + return function(x) { return Math.max(a, Math.min(b, x)); }; } -function bimap(domain, range, deinterpolate, reinterpolate) { +// normalize(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. +// interpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding range value x in [a,b]. +function bimap(domain, range, interpolate$$1) { var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; - if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); - else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); + if (d1 < d0) d0 = normalize(d1, d0), r0 = interpolate$$1(r1, r0); + else d0 = normalize(d0, d1), r0 = interpolate$$1(r0, r1); return function(x) { return r0(d0(x)); }; } -function polymap(domain, range, deinterpolate, reinterpolate) { +function polymap(domain, range, interpolate$$1) { var j = Math.min(domain.length, range.length) - 1, d = new Array(j), r = new Array(j), @@ -12028,8 +12143,8 @@ function polymap(domain, range, deinterpolate, reinterpolate) { } while (++i < j) { - d[i] = deinterpolate(domain[i], domain[i + 1]); - r[i] = reinterpolate(range[i], range[i + 1]); + d[i] = normalize(domain[i], domain[i + 1]); + r[i] = interpolate$$1(range[i], range[i + 1]); } return function(x) { @@ -12043,16 +12158,18 @@ function copy(source, target) { .domain(source.domain()) .range(source.range()) .interpolate(source.interpolate()) - .clamp(source.clamp()); + .clamp(source.clamp()) + .unknown(source.unknown()); } -// deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. -// reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. -function continuous(deinterpolate, reinterpolate) { +function transformer$1() { var domain = unit, range = unit, interpolate$$1 = interpolateValue, - clamp = false, + transform, + untransform, + unknown, + clamp = identity$6, piecewise$$1, output, input; @@ -12064,15 +12181,15 @@ function continuous(deinterpolate, reinterpolate) { } function scale(x) { - return (output || (output = piecewise$$1(domain, range, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x); + return isNaN(x = +x) ? unknown : (output || (output = piecewise$$1(domain.map(transform), range, interpolate$$1)))(transform(clamp(x))); } scale.invert = function(y) { - return (input || (input = piecewise$$1(range, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); + return clamp(untransform((input || (input = piecewise$$1(range, domain.map(transform), interpolateNumber)))(y))); }; scale.domain = function(_) { - return arguments.length ? (domain = map$2.call(_, number$2), rescale()) : domain.slice(); + return arguments.length ? (domain = map$2.call(_, number$2), clamp === identity$6 || (clamp = clamper(domain)), rescale()) : domain.slice(); }; scale.range = function(_) { @@ -12084,20 +12201,29 @@ function continuous(deinterpolate, reinterpolate) { }; scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, rescale()) : clamp; + return arguments.length ? (clamp = _ ? clamper(domain) : identity$6, scale) : clamp !== identity$6; }; scale.interpolate = function(_) { return arguments.length ? (interpolate$$1 = _, rescale()) : interpolate$$1; }; - return rescale(); + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + + return function(t, u) { + transform = t, untransform = u; + return rescale(); + }; } -function tickFormat(domain, count, specifier) { - var start = domain[0], - stop = domain[domain.length - 1], - step = tickStep(start, stop, count == null ? 10 : count), +function continuous(transform, untransform) { + return transformer$1()(transform, untransform); +} + +function tickFormat(start, stop, count, specifier) { + var step = tickStep(start, stop, count), precision; specifier = formatSpecifier(specifier == null ? ",f" : specifier); switch (specifier.type) { @@ -12132,7 +12258,8 @@ function linearish(scale) { }; scale.tickFormat = function(count, specifier) { - return tickFormat(domain(), count, specifier); + var d = domain(); + return tickFormat(d[0], d[d.length - 1], count == null ? 10 : count, specifier); }; scale.nice = function(count) { @@ -12179,20 +12306,22 @@ function linearish(scale) { } function linear$2() { - var scale = continuous(deinterpolateLinear, interpolateNumber); + var scale = continuous(identity$6, identity$6); scale.copy = function() { return copy(scale, linear$2()); }; + initRange.apply(scale, arguments); + return linearish(scale); } -function identity$6() { - var domain = [0, 1]; +function identity$7(domain) { + var unknown; function scale(x) { - return +x; + return isNaN(x = +x) ? unknown : x; } scale.invert = scale; @@ -12201,10 +12330,16 @@ function identity$6() { return arguments.length ? (domain = map$2.call(_, number$2), scale) : domain.slice(); }; + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + scale.copy = function() { - return identity$6().domain(domain); + return identity$7(domain).unknown(unknown); }; + domain = arguments.length ? map$2.call(domain, number$2) : [0, 1]; + return linearish(scale); } @@ -12227,16 +12362,20 @@ function nice(domain, interval) { return domain; } -function deinterpolate(a, b) { - return (b = Math.log(b / a)) - ? function(x) { return Math.log(x / a) / b; } - : constant$a(b); +function transformLog(x) { + return Math.log(x); +} + +function transformExp(x) { + return Math.exp(x); +} + +function transformLogn(x) { + return -Math.log(-x); } -function reinterpolate(a, b) { - return a < 0 - ? function(t) { return -Math.pow(-b, t) * Math.pow(-a, 1 - t); } - : function(t) { return Math.pow(b, t) * Math.pow(a, 1 - t); }; +function transformExpn(x) { + return -Math.exp(-x); } function pow10(x) { @@ -12262,16 +12401,21 @@ function reflect(f) { }; } -function log$1() { - var scale = continuous(deinterpolate, reinterpolate).domain([1, 10]), +function loggish(transform) { + var scale = transform(transformLog, transformExp), domain = scale.domain, base = 10, - logs = logp(10), - pows = powp(10); + logs, + pows; function rescale() { logs = logp(base), pows = powp(base); - if (domain()[0] < 0) logs = reflect(logs), pows = reflect(pows); + if (domain()[0] < 0) { + logs = reflect(logs), pows = reflect(pows); + transform(transformLogn, transformExpn); + } else { + transform(transformLog, transformExp); + } return scale; } @@ -12343,52 +12487,105 @@ function log$1() { })); }; + return scale; +} + +function log$1() { + var scale = loggish(transformer$1()).domain([1, 10]); + scale.copy = function() { - return copy(scale, log$1().base(base)); + return copy(scale, log$1()).base(scale.base()); }; + initRange.apply(scale, arguments); + return scale; } -function raise$1(x, exponent) { - return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); +function transformSymlog(c) { + return function(x) { + return Math.sign(x) * Math.log1p(Math.abs(x / c)); + }; } -function pow$1() { - var exponent = 1, - scale = continuous(deinterpolate, reinterpolate), - domain = scale.domain; +function transformSymexp(c) { + return function(x) { + return Math.sign(x) * Math.expm1(Math.abs(x)) * c; + }; +} - function deinterpolate(a, b) { - return (b = raise$1(b, exponent) - (a = raise$1(a, exponent))) - ? function(x) { return (raise$1(x, exponent) - a) / b; } - : constant$a(b); - } +function symlogish(transform) { + var c = 1, scale = transform(transformSymlog(c), transformSymexp(c)); - function reinterpolate(a, b) { - b = raise$1(b, exponent) - (a = raise$1(a, exponent)); - return function(t) { return raise$1(a + b * t, 1 / exponent); }; + scale.constant = function(_) { + return arguments.length ? transform(transformSymlog(c = +_), transformSymexp(c)) : c; + }; + + return linearish(scale); +} + +function symlog() { + var scale = symlogish(transformer$1()); + + scale.copy = function() { + return copy(scale, symlog()).constant(scale.constant()); + }; + + return initRange.apply(scale, arguments); +} + +function transformPow(exponent) { + return function(x) { + return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); + }; +} + +function transformSqrt(x) { + return x < 0 ? -Math.sqrt(-x) : Math.sqrt(x); +} + +function transformSquare(x) { + return x < 0 ? -x * x : x * x; +} + +function powish(transform) { + var scale = transform(identity$6, identity$6), + exponent = 1; + + function rescale() { + return exponent === 1 ? transform(identity$6, identity$6) + : exponent === 0.5 ? transform(transformSqrt, transformSquare) + : transform(transformPow(exponent), transformPow(1 / exponent)); } scale.exponent = function(_) { - return arguments.length ? (exponent = +_, domain(domain())) : exponent; + return arguments.length ? (exponent = +_, rescale()) : exponent; }; + return linearish(scale); +} + +function pow$1() { + var scale = powish(transformer$1()); + scale.copy = function() { - return copy(scale, pow$1().exponent(exponent)); + return copy(scale, pow$1()).exponent(scale.exponent()); }; - return linearish(scale); + initRange.apply(scale, arguments); + + return scale; } function sqrt$1() { - return pow$1().exponent(0.5); + return pow$1.apply(null, arguments).exponent(0.5); } function quantile$$1() { var domain = [], range = [], - thresholds = []; + thresholds = [], + unknown; function rescale() { var i = 0, n = Math.max(1, range.length); @@ -12398,7 +12595,7 @@ function quantile$$1() { } function scale(x) { - if (!isNaN(x = +x)) return range[bisectRight(thresholds, x)]; + return isNaN(x = +x) ? unknown : range[bisectRight(thresholds, x)]; } scale.invertExtent = function(y) { @@ -12421,6 +12618,10 @@ function quantile$$1() { return arguments.length ? (range = slice$5.call(_), rescale()) : range.slice(); }; + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + scale.quantiles = function() { return thresholds.slice(); }; @@ -12428,10 +12629,11 @@ function quantile$$1() { scale.copy = function() { return quantile$$1() .domain(domain) - .range(range); + .range(range) + .unknown(unknown); }; - return scale; + return initRange.apply(scale, arguments); } function quantize$1() { @@ -12439,10 +12641,11 @@ function quantize$1() { x1 = 1, n = 1, domain = [0.5], - range = [0, 1]; + range = [0, 1], + unknown; function scale(x) { - if (x <= x) return range[bisectRight(domain, x, 0, n)]; + return x <= x ? range[bisectRight(domain, x, 0, n)] : unknown; } function rescale() { @@ -12468,22 +12671,32 @@ function quantize$1() { : [domain[i - 1], domain[i]]; }; + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : scale; + }; + + scale.thresholds = function() { + return domain.slice(); + }; + scale.copy = function() { return quantize$1() .domain([x0, x1]) - .range(range); + .range(range) + .unknown(unknown); }; - return linearish(scale); + return initRange.apply(linearish(scale), arguments); } function threshold$1() { var domain = [0.5], range = [0, 1], + unknown, n = 1; function scale(x) { - if (x <= x) return range[bisectRight(domain, x, 0, n)]; + return x <= x ? range[bisectRight(domain, x, 0, n)] : unknown; } scale.domain = function(_) { @@ -12499,13 +12712,18 @@ function threshold$1() { return [domain[i - 1], domain[i]]; }; + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + scale.copy = function() { return threshold$1() .domain(domain) - .range(range); + .range(range) + .unknown(unknown); }; - return scale; + return initRange.apply(scale, arguments); } var t0$1 = new Date, @@ -12607,7 +12825,7 @@ var durationDay = 864e5; var durationWeek = 6048e5; var second = newInterval(function(date) { - date.setTime(Math.floor(date / durationSecond) * durationSecond); + date.setTime(date - date.getMilliseconds()); }, function(date, step) { date.setTime(+date + step * durationSecond); }, function(start, end) { @@ -12618,7 +12836,7 @@ var second = newInterval(function(date) { var seconds = second.range; var minute = newInterval(function(date) { - date.setTime(Math.floor(date / durationMinute) * durationMinute); + date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond); }, function(date, step) { date.setTime(+date + step * durationMinute); }, function(start, end) { @@ -12629,9 +12847,7 @@ var minute = newInterval(function(date) { var minutes = minute.range; var hour = newInterval(function(date) { - var offset = date.getTimezoneOffset() * durationMinute % durationHour; - if (offset < 0) offset += durationHour; - date.setTime(Math.floor((+date - offset) / durationHour) * durationHour + offset); + date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond - date.getMinutes() * durationMinute); }, function(date, step) { date.setTime(+date + step * durationHour); }, function(start, end) { @@ -12878,7 +13094,7 @@ function formatLocale$1(locale) { "W": formatWeekNumberMonday, "x": null, "X": null, - "y": formatYear, + "y": formatYear$1, "Y": formatFullYear, "Z": formatZone, "%": formatLiteralPercent @@ -13164,7 +13380,7 @@ var pads = {"-": "", "_": " ", "0": "0"}, percentRe = /^%/, requoteRe = /[\\^$*+?|[\]().{}]/g; -function pad(value, fill, width) { +function pad$1(value, fill, width) { var sign = value < 0 ? "-" : "", string = (sign ? -value : value) + "", length = string.length; @@ -13281,23 +13497,23 @@ function parseUnixTimestampSeconds(d, string, i) { } function formatDayOfMonth(d, p) { - return pad(d.getDate(), p, 2); + return pad$1(d.getDate(), p, 2); } function formatHour24(d, p) { - return pad(d.getHours(), p, 2); + return pad$1(d.getHours(), p, 2); } function formatHour12(d, p) { - return pad(d.getHours() % 12 || 12, p, 2); + return pad$1(d.getHours() % 12 || 12, p, 2); } function formatDayOfYear(d, p) { - return pad(1 + day.count(year(d), d), p, 3); + return pad$1(1 + day.count(year(d), d), p, 3); } function formatMilliseconds(d, p) { - return pad(d.getMilliseconds(), p, 3); + return pad$1(d.getMilliseconds(), p, 3); } function formatMicroseconds(d, p) { @@ -13305,15 +13521,15 @@ function formatMicroseconds(d, p) { } function formatMonthNumber(d, p) { - return pad(d.getMonth() + 1, p, 2); + return pad$1(d.getMonth() + 1, p, 2); } function formatMinutes(d, p) { - return pad(d.getMinutes(), p, 2); + return pad$1(d.getMinutes(), p, 2); } function formatSeconds(d, p) { - return pad(d.getSeconds(), p, 2); + return pad$1(d.getSeconds(), p, 2); } function formatWeekdayNumberMonday(d) { @@ -13322,13 +13538,13 @@ function formatWeekdayNumberMonday(d) { } function formatWeekNumberSunday(d, p) { - return pad(sunday.count(year(d), d), p, 2); + return pad$1(sunday.count(year(d), d), p, 2); } function formatWeekNumberISO(d, p) { var day$$1 = d.getDay(); d = (day$$1 >= 4 || day$$1 === 0) ? thursday(d) : thursday.ceil(d); - return pad(thursday.count(year(d), d) + (year(d).getDay() === 4), p, 2); + return pad$1(thursday.count(year(d), d) + (year(d).getDay() === 4), p, 2); } function formatWeekdayNumberSunday(d) { @@ -13336,42 +13552,42 @@ function formatWeekdayNumberSunday(d) { } function formatWeekNumberMonday(d, p) { - return pad(monday.count(year(d), d), p, 2); + return pad$1(monday.count(year(d), d), p, 2); } -function formatYear(d, p) { - return pad(d.getFullYear() % 100, p, 2); +function formatYear$1(d, p) { + return pad$1(d.getFullYear() % 100, p, 2); } function formatFullYear(d, p) { - return pad(d.getFullYear() % 10000, p, 4); + return pad$1(d.getFullYear() % 10000, p, 4); } function formatZone(d) { var z = d.getTimezoneOffset(); return (z > 0 ? "-" : (z *= -1, "+")) - + pad(z / 60 | 0, "0", 2) - + pad(z % 60, "0", 2); + + pad$1(z / 60 | 0, "0", 2) + + pad$1(z % 60, "0", 2); } function formatUTCDayOfMonth(d, p) { - return pad(d.getUTCDate(), p, 2); + return pad$1(d.getUTCDate(), p, 2); } function formatUTCHour24(d, p) { - return pad(d.getUTCHours(), p, 2); + return pad$1(d.getUTCHours(), p, 2); } function formatUTCHour12(d, p) { - return pad(d.getUTCHours() % 12 || 12, p, 2); + return pad$1(d.getUTCHours() % 12 || 12, p, 2); } function formatUTCDayOfYear(d, p) { - return pad(1 + utcDay.count(utcYear(d), d), p, 3); + return pad$1(1 + utcDay.count(utcYear(d), d), p, 3); } function formatUTCMilliseconds(d, p) { - return pad(d.getUTCMilliseconds(), p, 3); + return pad$1(d.getUTCMilliseconds(), p, 3); } function formatUTCMicroseconds(d, p) { @@ -13379,15 +13595,15 @@ function formatUTCMicroseconds(d, p) { } function formatUTCMonthNumber(d, p) { - return pad(d.getUTCMonth() + 1, p, 2); + return pad$1(d.getUTCMonth() + 1, p, 2); } function formatUTCMinutes(d, p) { - return pad(d.getUTCMinutes(), p, 2); + return pad$1(d.getUTCMinutes(), p, 2); } function formatUTCSeconds(d, p) { - return pad(d.getUTCSeconds(), p, 2); + return pad$1(d.getUTCSeconds(), p, 2); } function formatUTCWeekdayNumberMonday(d) { @@ -13396,13 +13612,13 @@ function formatUTCWeekdayNumberMonday(d) { } function formatUTCWeekNumberSunday(d, p) { - return pad(utcSunday.count(utcYear(d), d), p, 2); + return pad$1(utcSunday.count(utcYear(d), d), p, 2); } function formatUTCWeekNumberISO(d, p) { var day$$1 = d.getUTCDay(); d = (day$$1 >= 4 || day$$1 === 0) ? utcThursday(d) : utcThursday.ceil(d); - return pad(utcThursday.count(utcYear(d), d) + (utcYear(d).getUTCDay() === 4), p, 2); + return pad$1(utcThursday.count(utcYear(d), d) + (utcYear(d).getUTCDay() === 4), p, 2); } function formatUTCWeekdayNumberSunday(d) { @@ -13410,15 +13626,15 @@ function formatUTCWeekdayNumberSunday(d) { } function formatUTCWeekNumberMonday(d, p) { - return pad(utcMonday.count(utcYear(d), d), p, 2); + return pad$1(utcMonday.count(utcYear(d), d), p, 2); } function formatUTCYear(d, p) { - return pad(d.getUTCFullYear() % 100, p, 2); + return pad$1(d.getUTCFullYear() % 100, p, 2); } function formatUTCFullYear(d, p) { - return pad(d.getUTCFullYear() % 10000, p, 4); + return pad$1(d.getUTCFullYear() % 10000, p, 4); } function formatUTCZone() { @@ -13495,7 +13711,7 @@ function number$3(t) { } function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format) { - var scale = continuous(deinterpolateLinear, interpolateNumber), + var scale = continuous(identity$6, identity$6), invert = scale.invert, domain = scale.domain; @@ -13529,14 +13745,14 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 [ year$$1, 1, durationYear ] ]; - function tickFormat(date$$1) { - return (second$$1(date$$1) < date$$1 ? formatMillisecond - : minute$$1(date$$1) < date$$1 ? formatSecond - : hour$$1(date$$1) < date$$1 ? formatMinute - : day$$1(date$$1) < date$$1 ? formatHour - : month$$1(date$$1) < date$$1 ? (week(date$$1) < date$$1 ? formatDay : formatWeek) - : year$$1(date$$1) < date$$1 ? formatMonth - : formatYear)(date$$1); + function tickFormat(date) { + return (second$$1(date) < date ? formatMillisecond + : minute$$1(date) < date ? formatSecond + : hour$$1(date) < date ? formatMinute + : day$$1(date) < date ? formatHour + : month$$1(date) < date ? (week(date) < date ? formatDay : formatWeek) + : year$$1(date) < date ? formatMonth + : formatYear)(date); } function tickInterval(interval, start, stop, step) { @@ -13603,26 +13819,30 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 } function time() { - return calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]); + return initRange.apply(calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments); } function utcTime() { - return calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); + return initRange.apply(calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]), arguments); } -function sequential(interpolator) { +function transformer$2() { var x0 = 0, x1 = 1, - k10 = 1, - clamp = false; + t0, + t1, + k10, + transform, + interpolator = identity$6, + clamp = false, + unknown; function scale(x) { - var t = (x - x0) * k10; - return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t); + return isNaN(x = +x) ? unknown : interpolator(k10 === 0 ? 0.5 : (x = (transform(x) - t0) * k10, clamp ? Math.max(0, Math.min(1, x)) : x)); } scale.domain = function(_) { - return arguments.length ? (x0 = +_[0], x1 = +_[1], k10 = x0 === x1 ? 0 : 1 / (x1 - x0), scale) : [x0, x1]; + return arguments.length ? (t0 = transform(x0 = +_[0]), t1 = transform(x1 = +_[1]), k10 = t0 === t1 ? 0 : 1 / (t1 - t0), scale) : [x0, x1]; }; scale.clamp = function(_) { @@ -13633,28 +13853,115 @@ function sequential(interpolator) { return arguments.length ? (interpolator = _, scale) : interpolator; }; + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + + return function(t) { + transform = t, t0 = t(x0), t1 = t(x1), k10 = t0 === t1 ? 0 : 1 / (t1 - t0); + return scale; + }; +} + +function copy$1(source, target) { + return target + .domain(source.domain()) + .interpolator(source.interpolator()) + .clamp(source.clamp()) + .unknown(source.unknown()); +} + +function sequential() { + var scale = linearish(transformer$2()(identity$6)); + + scale.copy = function() { + return copy$1(scale, sequential()); + }; + + return initInterpolator.apply(scale, arguments); +} + +function sequentialLog() { + var scale = loggish(transformer$2()).domain([1, 10]); + scale.copy = function() { - return sequential(interpolator).domain([x0, x1]).clamp(clamp); + return copy$1(scale, sequentialLog()).base(scale.base()); }; - return linearish(scale); + return initInterpolator.apply(scale, arguments); } -function diverging(interpolator) { +function sequentialSymlog() { + var scale = symlogish(transformer$2()); + + scale.copy = function() { + return copy$1(scale, sequentialSymlog()).constant(scale.constant()); + }; + + return initInterpolator.apply(scale, arguments); +} + +function sequentialPow() { + var scale = powish(transformer$2()); + + scale.copy = function() { + return copy$1(scale, sequentialPow()).exponent(scale.exponent()); + }; + + return initInterpolator.apply(scale, arguments); +} + +function sequentialSqrt() { + return sequentialPow.apply(null, arguments).exponent(0.5); +} + +function sequentialQuantile() { + var domain = [], + interpolator = identity$6; + + function scale(x) { + if (!isNaN(x = +x)) return interpolator((bisectRight(domain, x) - 1) / (domain.length - 1)); + } + + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = []; + for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); + domain.sort(ascending); + return scale; + }; + + scale.interpolator = function(_) { + return arguments.length ? (interpolator = _, scale) : interpolator; + }; + + scale.copy = function() { + return sequentialQuantile(interpolator).domain(domain); + }; + + return initInterpolator.apply(scale, arguments); +} + +function transformer$3() { var x0 = 0, x1 = 0.5, x2 = 1, - k10 = 1, - k21 = 1, - clamp = false; + t0, + t1, + t2, + k10, + k21, + interpolator = identity$6, + transform, + clamp = false, + unknown; function scale(x) { - var t = 0.5 + ((x = +x) - x1) * (x < x1 ? k10 : k21); - return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t); + return isNaN(x = +x) ? unknown : (x = 0.5 + ((x = +transform(x)) - t1) * (x < t1 ? k10 : k21), interpolator(clamp ? Math.max(0, Math.min(1, x)) : x)); } scale.domain = function(_) { - return arguments.length ? (x0 = +_[0], x1 = +_[1], x2 = +_[2], k10 = x0 === x1 ? 0 : 0.5 / (x1 - x0), k21 = x1 === x2 ? 0 : 0.5 / (x2 - x1), scale) : [x0, x1, x2]; + return arguments.length ? (t0 = transform(x0 = +_[0]), t1 = transform(x1 = +_[1]), t2 = transform(x2 = +_[2]), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1), scale) : [x0, x1, x2]; }; scale.clamp = function(_) { @@ -13665,11 +13972,58 @@ function diverging(interpolator) { return arguments.length ? (interpolator = _, scale) : interpolator; }; + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + + return function(t) { + transform = t, t0 = t(x0), t1 = t(x1), t2 = t(x2), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1); + return scale; + }; +} + +function diverging() { + var scale = linearish(transformer$3()(identity$6)); + scale.copy = function() { - return diverging(interpolator).domain([x0, x1, x2]).clamp(clamp); + return copy$1(scale, diverging()); }; - return linearish(scale); + return initInterpolator.apply(scale, arguments); +} + +function divergingLog() { + var scale = loggish(transformer$3()).domain([0.1, 1, 10]); + + scale.copy = function() { + return copy$1(scale, divergingLog()).base(scale.base()); + }; + + return initInterpolator.apply(scale, arguments); +} + +function divergingSymlog() { + var scale = symlogish(transformer$3()); + + scale.copy = function() { + return copy$1(scale, divergingSymlog()).constant(scale.constant()); + }; + + return initInterpolator.apply(scale, arguments); +} + +function divergingPow() { + var scale = powish(transformer$3()); + + scale.copy = function() { + return copy$1(scale, divergingPow()).exponent(scale.exponent()); + }; + + return initInterpolator.apply(scale, arguments); +} + +function divergingSqrt() { + return divergingPow.apply(null, arguments).exponent(0.5); } function colors(specifier) { @@ -14137,7 +14491,9 @@ function arcPadAngle(d) { function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { var x10 = x1 - x0, y10 = y1 - y0, x32 = x3 - x2, y32 = y3 - y2, - t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / (y32 * x10 - x32 * y10); + t = y32 * x10 - x32 * y10; + if (t * t < epsilon$3) return; + t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / t; return [x0 + t * x10, y0 + t * y10]; } @@ -14258,12 +14614,12 @@ function arc() { var x11 = r1 * cos$2(a11), y11 = r1 * sin$2(a11), x00 = r0 * cos$2(a00), - y00 = r0 * sin$2(a00); + y00 = r0 * sin$2(a00), + oc; // Restrict the corner radius according to the sector angle. - if (da < pi$4) { - var oc = da0 > epsilon$3 ? intersect(x01, y01, x00, y00, x11, y11, x10, y10) : [x10, y10], - ax = x01 - oc[0], + if (da < pi$4 && (oc = intersect(x01, y01, x00, y00, x11, y11, x10, y10))) { + var ax = x01 - oc[0], ay = y01 - oc[1], bx = x11 - oc[0], by = y11 - oc[1], @@ -14569,12 +14925,12 @@ function descending$1(a, b) { return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; } -function identity$7(d) { +function identity$8(d) { return d; } function pie() { - var value = identity$7, + var value = identity$8, sortValues = descending$1, sort = null, startAngle = constant$b(0), @@ -15917,6 +16273,17 @@ function wiggle(series, order) { none$1(series, order); } +function appearance(series) { + var peaks = series.map(peak); + return none$2(series).sort(function(a, b) { return peaks[a] - peaks[b]; }); +} + +function peak(series) { + var i = -1, j = 0, n = series.length, vi, vj = -Infinity; + while (++i < n) if ((vi = +series[i][1]) > vj) vj = vi, j = i; + return j; +} + function ascending$3(series) { var sums = series.map(sum$2); return none$2(series).sort(function(a, b) { return sums[a] - sums[b]; }); @@ -15937,7 +16304,7 @@ function insideOut(series) { i, j, sums = series.map(sum$2), - order = none$2(series).sort(function(a, b) { return sums[b] - sums[a]; }), + order = appearance(series), top = 0, bottom = 0, tops = [], @@ -17003,12 +17370,12 @@ Transform.prototype = { } }; -var identity$8 = new Transform(1, 0, 0); +var identity$9 = new Transform(1, 0, 0); transform$1.prototype = Transform.prototype; function transform$1(node) { - return node.__zoom || identity$8; + return node.__zoom || identity$9; } function nopropagation$2() { @@ -17039,7 +17406,7 @@ function defaultExtent$1() { } function defaultTransform() { - return this.__zoom || identity$8; + return this.__zoom || identity$9; } function defaultWheelDelta() { @@ -17141,7 +17508,7 @@ function zoom() { var e = extent.apply(this, arguments), t = this.__zoom, p = centroid(e); - return constrain(identity$8.translate(p[0], p[1]).scale(t.k).translate( + return constrain(identity$9.translate(p[0], p[1]).scale(t.k).translate( typeof x === "function" ? -x.apply(this, arguments) : -x, typeof y === "function" ? -y.apply(this, arguments) : -y ), e, translateExtent); @@ -17502,11 +17869,14 @@ exports.dsvFormat = dsvFormat; exports.csvParse = csvParse; exports.csvParseRows = csvParseRows; exports.csvFormat = csvFormat; +exports.csvFormatBody = csvFormatBody; exports.csvFormatRows = csvFormatRows; exports.tsvParse = tsvParse; exports.tsvParseRows = tsvParseRows; exports.tsvFormat = tsvFormat; +exports.tsvFormatBody = tsvFormatBody; exports.tsvFormatRows = tsvFormatRows; +exports.autoType = autoType; exports.easeLinear = linear$1; exports.easeQuad = quadInOut; exports.easeQuadIn = quadIn; @@ -17674,9 +18044,10 @@ exports.randomIrwinHall = irwinHall; exports.randomExponential = exponential$1; exports.scaleBand = band; exports.scalePoint = point$1; -exports.scaleIdentity = identity$6; +exports.scaleIdentity = identity$7; exports.scaleLinear = linear$2; exports.scaleLog = log$1; +exports.scaleSymlog = symlog; exports.scaleOrdinal = ordinal; exports.scaleImplicit = implicit; exports.scalePow = pow$1; @@ -17687,7 +18058,17 @@ exports.scaleThreshold = threshold$1; exports.scaleTime = time; exports.scaleUtc = utcTime; exports.scaleSequential = sequential; +exports.scaleSequentialLog = sequentialLog; +exports.scaleSequentialPow = sequentialPow; +exports.scaleSequentialSqrt = sequentialSqrt; +exports.scaleSequentialSymlog = sequentialSymlog; +exports.scaleSequentialQuantile = sequentialQuantile; exports.scaleDiverging = diverging; +exports.scaleDivergingLog = divergingLog; +exports.scaleDivergingPow = divergingPow; +exports.scaleDivergingSqrt = divergingSqrt; +exports.scaleDivergingSymlog = divergingSymlog; +exports.tickFormat = tickFormat; exports.schemeCategory10 = category10; exports.schemeAccent = Accent; exports.schemeDark2 = Dark2; @@ -17763,7 +18144,7 @@ exports.interpolatePlasma = plasma; exports.create = create; exports.creator = creator; exports.local = local; -exports.matcher = matcher$1; +exports.matcher = matcher; exports.mouse = mouse; exports.namespace = namespace; exports.namespaces = namespaces; @@ -17823,6 +18204,7 @@ exports.stackOffsetDiverging = diverging$1; exports.stackOffsetNone = none$1; exports.stackOffsetSilhouette = silhouette; exports.stackOffsetWiggle = wiggle; +exports.stackOrderAppearance = appearance; exports.stackOrderAscending = ascending$3; exports.stackOrderDescending = descending$2; exports.stackOrderInsideOut = insideOut; @@ -17904,7 +18286,7 @@ exports.interrupt = interrupt; exports.voronoi = voronoi; exports.zoom = zoom; exports.zoomTransform = transform$1; -exports.zoomIdentity = identity$8; +exports.zoomIdentity = identity$9; Object.defineProperty(exports, '__esModule', { value: true }); diff --git a/app/assets/javascripts/d3.v5.min.js b/app/assets/javascripts/d3.v5.min.js index 2a54e04..6b882ae 100644 --- 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app/assets/javascripts/d3.min.js | 4 +- app/assets/javascripts/d3.v5.js | 1993 +++++++++++++++------------ app/assets/javascripts/d3.v5.min.js | 4 +- lib/d3/rails/version.rb | 2 +- 7 files changed, 2277 insertions(+), 1724 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 3e5b7c7..e7f0798 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,6 @@ +## 5.16.0 (31 March 2021) +* Upgrade D3 to 5.16.0 + ## 5.9.2 (28 May 2019) * Upgrade D3 to 5.9.2 diff --git a/README.md b/README.md index d8efeca..dfa1ef1 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 5.9.2 of D3.js. The d3-rails version will +d3-rails comes with version 5.16.0 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index b11658f..632b3fa 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,11 +1,11 @@ -// https://d3js.org v5.9.2 Copyright 2019 Mike Bostock +// https://d3js.org v5.16.0 Copyright 2020 Mike Bostock (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : -(factory((global.d3 = global.d3 || {}))); -}(this, (function (exports) { 'use strict'; +(global = global || self, factory(global.d3 = global.d3 || {})); +}(this, function (exports) { 'use strict'; -var version = "5.9.2"; +var version = "5.16.0"; function ascending(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -737,7 +737,7 @@ var noop = {value: function() {}}; function dispatch() { for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { - if (!(t = arguments[i] + "") || (t in _)) throw new Error("illegal type: " + t); + if (!(t = arguments[i] + "") || (t in _) || /[\s.]/.test(t)) throw new Error("illegal type: " + t); _[t] = []; } return new Dispatch(_); @@ -1080,9 +1080,9 @@ function selection_join(onenter, onupdate, onexit) { return enter && update ? enter.merge(update).order() : update; } -function selection_merge(selection$$1) { +function selection_merge(selection) { - for (var groups0 = this._groups, groups1 = selection$$1._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { if (node = group0[i] || group1[i]) { merge[i] = node; @@ -1478,11 +1478,13 @@ function selection_remove() { } function selection_cloneShallow() { - return this.parentNode.insertBefore(this.cloneNode(false), this.nextSibling); + var clone = this.cloneNode(false), parent = this.parentNode; + return parent ? parent.insertBefore(clone, this.nextSibling) : clone; } function selection_cloneDeep() { - return this.parentNode.insertBefore(this.cloneNode(true), this.nextSibling); + var clone = this.cloneNode(true), parent = this.parentNode; + return parent ? parent.insertBefore(clone, this.nextSibling) : clone; } function selection_clone(deep) { @@ -1785,9 +1787,9 @@ function noevent() { function dragDisable(view) { var root = view.document.documentElement, - selection$$1 = select(view).on("dragstart.drag", noevent, true); + selection = select(view).on("dragstart.drag", noevent, true); if ("onselectstart" in root) { - selection$$1.on("selectstart.drag", noevent, true); + selection.on("selectstart.drag", noevent, true); } else { root.__noselect = root.style.MozUserSelect; root.style.MozUserSelect = "none"; @@ -1796,13 +1798,13 @@ function dragDisable(view) { function yesdrag(view, noclick) { var root = view.document.documentElement, - selection$$1 = select(view).on("dragstart.drag", null); + selection = select(view).on("dragstart.drag", null); if (noclick) { - selection$$1.on("click.drag", noevent, true); - setTimeout(function() { selection$$1.on("click.drag", null); }, 0); + selection.on("click.drag", noevent, true); + setTimeout(function() { selection.on("click.drag", null); }, 0); } if ("onselectstart" in root) { - selection$$1.on("selectstart.drag", null); + selection.on("selectstart.drag", null); } else { root.style.MozUserSelect = root.__noselect; delete root.__noselect; @@ -1835,7 +1837,7 @@ DragEvent.prototype.on = function() { // Ignore right-click, since that should open the context menu. function defaultFilter() { - return !exports.event.button; + return !exports.event.ctrlKey && !exports.event.button; } function defaultContainer() { @@ -1847,7 +1849,7 @@ function defaultSubject(d) { } function defaultTouchable() { - return "ontouchstart" in this; + return navigator.maxTouchPoints || ("ontouchstart" in this); } function drag() { @@ -1864,8 +1866,8 @@ function drag() { touchending, clickDistance2 = 0; - function drag(selection$$1) { - selection$$1 + function drag(selection) { + selection .on("mousedown.drag", mousedowned) .filter(touchable) .on("touchstart.drag", touchstarted) @@ -1906,12 +1908,12 @@ function drag() { function touchstarted() { if (!filter.apply(this, arguments)) return; - var touches$$1 = exports.event.changedTouches, + var touches = exports.event.changedTouches, c = container.apply(this, arguments), - n = touches$$1.length, i, gesture; + n = touches.length, i, gesture; for (i = 0; i < n; ++i) { - if (gesture = beforestart(touches$$1[i].identifier, c, touch, this, arguments)) { + if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) { nopropagation(); gesture("start"); } @@ -1919,11 +1921,11 @@ function drag() { } function touchmoved() { - var touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, gesture; + var touches = exports.event.changedTouches, + n = touches.length, i, gesture; for (i = 0; i < n; ++i) { - if (gesture = gestures[touches$$1[i].identifier]) { + if (gesture = gestures[touches[i].identifier]) { noevent(); gesture("drag"); } @@ -1931,21 +1933,21 @@ function drag() { } function touchended() { - var touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, gesture; + var touches = exports.event.changedTouches, + n = touches.length, i, gesture; if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! for (i = 0; i < n; ++i) { - if (gesture = gestures[touches$$1[i].identifier]) { + if (gesture = gestures[touches[i].identifier]) { nopropagation(); gesture("end"); } } } - function beforestart(id, container, point$$1, that, args) { - var p = point$$1(container, id), s, dx, dy, + function beforestart(id, container, point, that, args) { + var p = point(container, id), s, dx, dy, sublisteners = listeners.copy(); if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { @@ -1960,7 +1962,7 @@ function drag() { switch (type) { case "start": gestures[id] = gesture, n = active++; break; case "end": delete gestures[id], --active; // nobreak - case "drag": p = point$$1(container, id), n = active; break; + case "drag": p = point(container, id), n = active; break; } customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); }; @@ -2013,8 +2015,7 @@ var brighter = 1 / darker; var reI = "\\s*([+-]?\\d+)\\s*", reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*", reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*", - reHex3 = /^#([0-9a-f]{3})$/, - reHex6 = /^#([0-9a-f]{6})$/, + reHex = /^#([0-9a-f]{3,8})$/, reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"), reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"), reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"), @@ -2174,29 +2175,46 @@ var named = { }; define(Color, color, { + copy: function(channels) { + return Object.assign(new this.constructor, this, channels); + }, displayable: function() { return this.rgb().displayable(); }, - hex: function() { - return this.rgb().hex(); - }, - toString: function() { - return this.rgb() + ""; - } + hex: color_formatHex, // Deprecated! Use color.formatHex. + formatHex: color_formatHex, + formatHsl: color_formatHsl, + formatRgb: color_formatRgb, + toString: color_formatRgb }); +function color_formatHex() { + return this.rgb().formatHex(); +} + +function color_formatHsl() { + return hslConvert(this).formatHsl(); +} + +function color_formatRgb() { + return this.rgb().formatRgb(); +} + function color(format) { - var m; + var m, l; format = (format + "").trim().toLowerCase(); - return (m = reHex3.exec(format)) ? (m = parseInt(m[1], 16), new Rgb((m >> 8 & 0xf) | (m >> 4 & 0x0f0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1)) // #f00 - : (m = reHex6.exec(format)) ? rgbn(parseInt(m[1], 16)) // #ff0000 + return (m = reHex.exec(format)) ? (l = m[1].length, m = parseInt(m[1], 16), l === 6 ? rgbn(m) // #ff0000 + : l === 3 ? new Rgb((m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1) // #f00 + : l === 8 ? rgba(m >> 24 & 0xff, m >> 16 & 0xff, m >> 8 & 0xff, (m & 0xff) / 0xff) // #ff000000 + : l === 4 ? rgba((m >> 12 & 0xf) | (m >> 8 & 0xf0), (m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), (((m & 0xf) << 4) | (m & 0xf)) / 0xff) // #f000 + : null) // invalid hex : (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0) : (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%) : (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1) : (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1) : (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%) : (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1) - : named.hasOwnProperty(format) ? rgbn(named[format]) + : named.hasOwnProperty(format) ? rgbn(named[format]) // eslint-disable-line no-prototype-builtins : format === "transparent" ? new Rgb(NaN, NaN, NaN, 0) : null; } @@ -2241,24 +2259,30 @@ define(Rgb, rgb, extend(Color, { return this; }, displayable: function() { - return (0 <= this.r && this.r <= 255) - && (0 <= this.g && this.g <= 255) - && (0 <= this.b && this.b <= 255) + return (-0.5 <= this.r && this.r < 255.5) + && (-0.5 <= this.g && this.g < 255.5) + && (-0.5 <= this.b && this.b < 255.5) && (0 <= this.opacity && this.opacity <= 1); }, - hex: function() { - return "#" + hex(this.r) + hex(this.g) + hex(this.b); - }, - toString: function() { - var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); - return (a === 1 ? "rgb(" : "rgba(") - + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.b) || 0)) - + (a === 1 ? ")" : ", " + a + ")"); - } + hex: rgb_formatHex, // Deprecated! Use color.formatHex. + formatHex: rgb_formatHex, + formatRgb: rgb_formatRgb, + toString: rgb_formatRgb })); +function rgb_formatHex() { + return "#" + hex(this.r) + hex(this.g) + hex(this.b); +} + +function rgb_formatRgb() { + var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); + return (a === 1 ? "rgb(" : "rgba(") + + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " + + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " + + Math.max(0, Math.min(255, Math.round(this.b) || 0)) + + (a === 1 ? ")" : ", " + a + ")"); +} + function hex(value) { value = Math.max(0, Math.min(255, Math.round(value) || 0)); return (value < 16 ? "0" : "") + value.toString(16); @@ -2334,6 +2358,14 @@ define(Hsl, hsl, extend(Color, { return (0 <= this.s && this.s <= 1 || isNaN(this.s)) && (0 <= this.l && this.l <= 1) && (0 <= this.opacity && this.opacity <= 1); + }, + formatHsl: function() { + var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); + return (a === 1 ? "hsl(" : "hsla(") + + (this.h || 0) + ", " + + (this.s || 0) * 100 + "%, " + + (this.l || 0) * 100 + "%" + + (a === 1 ? ")" : ", " + a + ")"); } })); @@ -2348,7 +2380,7 @@ function hsl2rgb(h, m1, m2) { var deg2rad = Math.PI / 180; var rad2deg = 180 / Math.PI; -// https://beta.observablehq.com/@mbostock/lab-and-rgb +// https://observablehq.com/@mbostock/lab-and-rgb var K = 18, Xn = 0.96422, Yn = 1, @@ -2360,11 +2392,7 @@ var K = 18, function labConvert(o) { if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); - if (o instanceof Hcl) { - if (isNaN(o.h)) return new Lab(o.l, 0, 0, o.opacity); - var h = o.h * deg2rad; - return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); - } + if (o instanceof Hcl) return hcl2lab(o); if (!(o instanceof Rgb)) o = rgbConvert(o); var r = rgb2lrgb(o.r), g = rgb2lrgb(o.g), @@ -2434,7 +2462,7 @@ function rgb2lrgb(x) { function hclConvert(o) { if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); if (!(o instanceof Lab)) o = labConvert(o); - if (o.a === 0 && o.b === 0) return new Hcl(NaN, 0, o.l, o.opacity); + if (o.a === 0 && o.b === 0) return new Hcl(NaN, 0 < o.l && o.l < 100 ? 0 : NaN, o.l, o.opacity); var h = Math.atan2(o.b, o.a) * rad2deg; return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); } @@ -2454,6 +2482,12 @@ function Hcl(h, c, l, opacity) { this.opacity = +opacity; } +function hcl2lab(o) { + if (isNaN(o.h)) return new Lab(o.l, 0, 0, o.opacity); + var h = o.h * deg2rad; + return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); +} + define(Hcl, hcl, extend(Color, { brighter: function(k) { return new Hcl(this.h, this.c, this.l + K * (k == null ? 1 : k), this.opacity); @@ -2462,7 +2496,7 @@ define(Hcl, hcl, extend(Color, { return new Hcl(this.h, this.c, this.l - K * (k == null ? 1 : k), this.opacity); }, rgb: function() { - return labConvert(this).rgb(); + return hcl2lab(this).rgb(); } })); @@ -2591,12 +2625,12 @@ function nogamma(a, b) { } var interpolateRgb = (function rgbGamma(y) { - var color$$1 = gamma(y); + var color = gamma(y); - function rgb$$1(start, end) { - var r = color$$1((start = rgb(start)).r, (end = rgb(end)).r), - g = color$$1(start.g, end.g), - b = color$$1(start.b, end.b), + function rgb$1(start, end) { + var r = color((start = rgb(start)).r, (end = rgb(end)).r), + g = color(start.g, end.g), + b = color(start.b, end.b), opacity = nogamma(start.opacity, end.opacity); return function(t) { start.r = r(t); @@ -2607,9 +2641,9 @@ var interpolateRgb = (function rgbGamma(y) { }; } - rgb$$1.gamma = rgbGamma; + rgb$1.gamma = rgbGamma; - return rgb$$1; + return rgb$1; })(1); function rgbSpline(spline) { @@ -2618,22 +2652,22 @@ function rgbSpline(spline) { r = new Array(n), g = new Array(n), b = new Array(n), - i, color$$1; + i, color; for (i = 0; i < n; ++i) { - color$$1 = rgb(colors[i]); - r[i] = color$$1.r || 0; - g[i] = color$$1.g || 0; - b[i] = color$$1.b || 0; + color = rgb(colors[i]); + r[i] = color.r || 0; + g[i] = color.g || 0; + b[i] = color.b || 0; } r = spline(r); g = spline(g); b = spline(b); - color$$1.opacity = 1; + color.opacity = 1; return function(t) { - color$$1.r = r(t); - color$$1.g = g(t); - color$$1.b = b(t); - return color$$1 + ""; + color.r = r(t); + color.g = g(t); + color.b = b(t); + return color + ""; }; }; } @@ -2641,7 +2675,26 @@ function rgbSpline(spline) { var rgbBasis = rgbSpline(basis$1); var rgbBasisClosed = rgbSpline(basisClosed); +function numberArray(a, b) { + if (!b) b = []; + var n = a ? Math.min(b.length, a.length) : 0, + c = b.slice(), + i; + return function(t) { + for (i = 0; i < n; ++i) c[i] = a[i] * (1 - t) + b[i] * t; + return c; + }; +} + +function isNumberArray(x) { + return ArrayBuffer.isView(x) && !(x instanceof DataView); +} + function array$1(a, b) { + return (isNumberArray(b) ? numberArray : genericArray)(a, b); +} + +function genericArray(a, b) { var nb = b ? b.length : 0, na = a ? Math.min(nb, a.length) : 0, x = new Array(na), @@ -2659,14 +2712,14 @@ function array$1(a, b) { function date(a, b) { var d = new Date; - return a = +a, b -= a, function(t) { - return d.setTime(a + b * t), d; + return a = +a, b = +b, function(t) { + return d.setTime(a * (1 - t) + b * t), d; }; } function interpolateNumber(a, b) { - return a = +a, b -= a, function(t) { - return a + b * t; + return a = +a, b = +b, function(t) { + return a * (1 - t) + b * t; }; } @@ -2762,7 +2815,8 @@ function interpolateValue(a, b) { : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) : b instanceof color ? interpolateRgb : b instanceof Date ? date - : Array.isArray(b) ? array$1 + : isNumberArray(b) ? numberArray + : Array.isArray(b) ? genericArray : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object : interpolateNumber)(a, b); } @@ -2783,8 +2837,8 @@ function hue$1(a, b) { } function interpolateRound(a, b) { - return a = +a, b -= a, function(t) { - return Math.round(a + b * t); + return a = +a, b = +b, function(t) { + return Math.round(a * (1 - t) + b * t); }; } @@ -2965,9 +3019,9 @@ function interpolateZoom(p0, p1) { return i; } -function hsl$1(hue$$1) { +function hsl$1(hue) { return function(start, end) { - var h = hue$$1((start = hsl(start)).h, (end = hsl(end)).h), + var h = hue((start = hsl(start)).h, (end = hsl(end)).h), s = nogamma(start.s, end.s), l = nogamma(start.l, end.l), opacity = nogamma(start.opacity, end.opacity); @@ -2998,9 +3052,9 @@ function lab$1(start, end) { }; } -function hcl$1(hue$$1) { +function hcl$1(hue) { return function(start, end) { - var h = hue$$1((start = hcl(start)).h, (end = hcl(end)).h), + var h = hue((start = hcl(start)).h, (end = hcl(end)).h), c = nogamma(start.c, end.c), l = nogamma(start.l, end.l), opacity = nogamma(start.opacity, end.opacity); @@ -3017,12 +3071,12 @@ function hcl$1(hue$$1) { var hcl$2 = hcl$1(hue); var hclLong = hcl$1(nogamma); -function cubehelix$1(hue$$1) { +function cubehelix$1(hue) { return (function cubehelixGamma(y) { y = +y; - function cubehelix$$1(start, end) { - var h = hue$$1((start = cubehelix(start)).h, (end = cubehelix(end)).h), + function cubehelix$1(start, end) { + var h = hue((start = cubehelix(start)).h, (end = cubehelix(end)).h), s = nogamma(start.s, end.s), l = nogamma(start.l, end.l), opacity = nogamma(start.opacity, end.opacity); @@ -3035,9 +3089,9 @@ function cubehelix$1(hue$$1) { }; } - cubehelix$$1.gamma = cubehelixGamma; + cubehelix$1.gamma = cubehelixGamma; - return cubehelix$$1; + return cubehelix$1; })(1); } @@ -3345,7 +3399,7 @@ function create$1(node, id, self) { function interrupt(node, name) { var schedules = node.__transition, - schedule$$1, + schedule, active, empty = true, i; @@ -3355,11 +3409,11 @@ function interrupt(node, name) { name = name == null ? null : name + ""; for (i in schedules) { - if ((schedule$$1 = schedules[i]).name !== name) { empty = false; continue; } - active = schedule$$1.state > STARTING && schedule$$1.state < ENDING; - schedule$$1.state = ENDED; - schedule$$1.timer.stop(); - schedule$$1.on.call(active ? "interrupt" : "cancel", node, node.__data__, schedule$$1.index, schedule$$1.group); + if ((schedule = schedules[i]).name !== name) { empty = false; continue; } + active = schedule.state > STARTING && schedule.state < ENDING; + schedule.state = ENDED; + schedule.timer.stop(); + schedule.on.call(active ? "interrupt" : "cancel", node, node.__data__, schedule.index, schedule.group); delete schedules[i]; } @@ -3375,8 +3429,8 @@ function selection_interrupt(name) { function tweenRemove(id, name) { var tween0, tween1; return function() { - var schedule$$1 = set$1(this, id), - tween = schedule$$1.tween; + var schedule = set$1(this, id), + tween = schedule.tween; // If this node shared tween with the previous node, // just assign the updated shared tween and we’re done! @@ -3392,7 +3446,7 @@ function tweenRemove(id, name) { } } - schedule$$1.tween = tween1; + schedule.tween = tween1; }; } @@ -3400,8 +3454,8 @@ function tweenFunction(id, name, value) { var tween0, tween1; if (typeof value !== "function") throw new Error; return function() { - var schedule$$1 = set$1(this, id), - tween = schedule$$1.tween; + var schedule = set$1(this, id), + tween = schedule.tween; // If this node shared tween with the previous node, // just assign the updated shared tween and we’re done! @@ -3417,7 +3471,7 @@ function tweenFunction(id, name, value) { if (i === n) tween1.push(t); } - schedule$$1.tween = tween1; + schedule.tween = tween1; }; } @@ -3443,8 +3497,8 @@ function tweenValue(transition, name, value) { var id = transition._id; transition.each(function() { - var schedule$$1 = set$1(this, id); - (schedule$$1.value || (schedule$$1.value = {}))[name] = value.apply(this, arguments); + var schedule = set$1(this, id); + (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); }); return function(node) { @@ -3472,7 +3526,7 @@ function attrRemoveNS$1(fullname) { }; } -function attrConstant$1(name, interpolate$$1, value1) { +function attrConstant$1(name, interpolate, value1) { var string00, string1 = value1 + "", interpolate0; @@ -3480,11 +3534,11 @@ function attrConstant$1(name, interpolate$$1, value1) { var string0 = this.getAttribute(name); return string0 === string1 ? null : string0 === string00 ? interpolate0 - : interpolate0 = interpolate$$1(string00 = string0, value1); + : interpolate0 = interpolate(string00 = string0, value1); }; } -function attrConstantNS$1(fullname, interpolate$$1, value1) { +function attrConstantNS$1(fullname, interpolate, value1) { var string00, string1 = value1 + "", interpolate0; @@ -3492,11 +3546,11 @@ function attrConstantNS$1(fullname, interpolate$$1, value1) { var string0 = this.getAttributeNS(fullname.space, fullname.local); return string0 === string1 ? null : string0 === string00 ? interpolate0 - : interpolate0 = interpolate$$1(string00 = string0, value1); + : interpolate0 = interpolate(string00 = string0, value1); }; } -function attrFunction$1(name, interpolate$$1, value) { +function attrFunction$1(name, interpolate, value) { var string00, string10, interpolate0; @@ -3507,11 +3561,11 @@ function attrFunction$1(name, interpolate$$1, value) { string1 = value1 + ""; return string0 === string1 ? null : string0 === string00 && string1 === string10 ? interpolate0 - : (string10 = string1, interpolate0 = interpolate$$1(string00 = string0, value1)); + : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1)); }; } -function attrFunctionNS$1(fullname, interpolate$$1, value) { +function attrFunctionNS$1(fullname, interpolate, value) { var string00, string10, interpolate0; @@ -3522,7 +3576,7 @@ function attrFunctionNS$1(fullname, interpolate$$1, value) { string1 = value1 + ""; return string0 === string1 ? null : string0 === string00 && string1 === string10 ? interpolate0 - : (string10 = string1, interpolate0 = interpolate$$1(string00 = string0, value1)); + : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1)); }; } @@ -3536,13 +3590,13 @@ function transition_attr(name, value) { function attrInterpolate(name, i) { return function(t) { - this.setAttribute(name, i(t)); + this.setAttribute(name, i.call(this, t)); }; } function attrInterpolateNS(fullname, i) { return function(t) { - this.setAttributeNS(fullname.space, fullname.local, i(t)); + this.setAttributeNS(fullname.space, fullname.local, i.call(this, t)); }; } @@ -3650,10 +3704,10 @@ function transition_filter(match) { return new Transition(subgroups, this._parents, this._name, this._id); } -function transition_merge(transition$$1) { - if (transition$$1._id !== this._id) throw new Error; +function transition_merge(transition) { + if (transition._id !== this._id) throw new Error; - for (var groups0 = this._groups, groups1 = transition$$1._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { if (node = group0[i] || group1[i]) { merge[i] = node; @@ -3679,15 +3733,15 @@ function start(name) { function onFunction(id, name, listener) { var on0, on1, sit = start(name) ? init : set$1; return function() { - var schedule$$1 = sit(this, id), - on = schedule$$1.on; + var schedule = sit(this, id), + on = schedule.on; // If this node shared a dispatch with the previous node, // just assign the updated shared dispatch and we’re done! // Otherwise, copy-on-write. if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener); - schedule$$1.on = on1; + schedule.on = on1; }; } @@ -3711,15 +3765,15 @@ function transition_remove() { return this.on("end.remove", removeFunction(this._id)); } -function transition_select(select$$1) { +function transition_select(select) { var name = this._name, id = this._id; - if (typeof select$$1 !== "function") select$$1 = selector(select$$1); + if (typeof select !== "function") select = selector(select); for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select$$1.call(node, node.__data__, i, group))) { + if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { if ("__data__" in node) subnode.__data__ = node.__data__; subgroup[i] = subnode; schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); @@ -3730,16 +3784,16 @@ function transition_select(select$$1) { return new Transition(subgroups, this._parents, name, id); } -function transition_selectAll(select$$1) { +function transition_selectAll(select) { var name = this._name, id = this._id; - if (typeof select$$1 !== "function") select$$1 = selectorAll(select$$1); + if (typeof select !== "function") select = selectorAll(select); for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { if (node = group[i]) { - for (var children = select$$1.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { + for (var children = select.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { if (child = children[k]) { schedule(child, name, id, k, children, inherit); } @@ -3759,7 +3813,7 @@ function transition_selection() { return new Selection$1(this._groups, this._parents); } -function styleNull(name, interpolate$$1) { +function styleNull(name, interpolate) { var string00, string10, interpolate0; @@ -3768,7 +3822,7 @@ function styleNull(name, interpolate$$1) { string1 = (this.style.removeProperty(name), styleValue(this, name)); return string0 === string1 ? null : string0 === string00 && string1 === string10 ? interpolate0 - : interpolate0 = interpolate$$1(string00 = string0, string10 = string1); + : interpolate0 = interpolate(string00 = string0, string10 = string1); }; } @@ -3778,7 +3832,7 @@ function styleRemove$1(name) { }; } -function styleConstant$1(name, interpolate$$1, value1) { +function styleConstant$1(name, interpolate, value1) { var string00, string1 = value1 + "", interpolate0; @@ -3786,11 +3840,11 @@ function styleConstant$1(name, interpolate$$1, value1) { var string0 = styleValue(this, name); return string0 === string1 ? null : string0 === string00 ? interpolate0 - : interpolate0 = interpolate$$1(string00 = string0, value1); + : interpolate0 = interpolate(string00 = string0, value1); }; } -function styleFunction$1(name, interpolate$$1, value) { +function styleFunction$1(name, interpolate, value) { var string00, string10, interpolate0; @@ -3801,23 +3855,23 @@ function styleFunction$1(name, interpolate$$1, value) { if (value1 == null) string1 = value1 = (this.style.removeProperty(name), styleValue(this, name)); return string0 === string1 ? null : string0 === string00 && string1 === string10 ? interpolate0 - : (string10 = string1, interpolate0 = interpolate$$1(string00 = string0, value1)); + : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1)); }; } function styleMaybeRemove(id, name) { var on0, on1, listener0, key = "style." + name, event = "end." + key, remove; return function() { - var schedule$$1 = set$1(this, id), - on = schedule$$1.on, - listener = schedule$$1.value[key] == null ? remove || (remove = styleRemove$1(name)) : undefined; + var schedule = set$1(this, id), + on = schedule.on, + listener = schedule.value[key] == null ? remove || (remove = styleRemove$1(name)) : undefined; // If this node shared a dispatch with the previous node, // just assign the updated shared dispatch and we’re done! // Otherwise, copy-on-write. if (on !== on0 || listener0 !== listener) (on1 = (on0 = on).copy()).on(event, listener0 = listener); - schedule$$1.on = on1; + schedule.on = on1; }; } @@ -3836,7 +3890,7 @@ function transition_style(name, value, priority) { function styleInterpolate(name, i, priority) { return function(t) { - this.style.setProperty(name, i(t), priority); + this.style.setProperty(name, i.call(this, t), priority); }; } @@ -3878,6 +3932,31 @@ function transition_text(value) { : textConstant$1(value == null ? "" : value + "")); } +function textInterpolate(i) { + return function(t) { + this.textContent = i.call(this, t); + }; +} + +function textTween(value) { + var t0, i0; + function tween() { + var i = value.apply(this, arguments); + if (i !== i0) t0 = (i0 = i) && textInterpolate(i); + return t0; + } + tween._value = value; + return tween; +} + +function transition_textTween(value) { + var key = "text"; + if (arguments.length < 1) return (key = this.tween(key)) && key._value; + if (value == null) return this.tween(key, null); + if (typeof value !== "function") throw new Error; + return this.tween(key, textTween(value)); +} + function transition_transition() { var name = this._name, id0 = this._id, @@ -3907,8 +3986,8 @@ function transition_end() { end = {value: function() { if (--size === 0) resolve(); }}; that.each(function() { - var schedule$$1 = set$1(this, id), - on = schedule$$1.on; + var schedule = set$1(this, id), + on = schedule.on; // If this node shared a dispatch with the previous node, // just assign the updated shared dispatch and we’re done! @@ -3920,7 +3999,7 @@ function transition_end() { on1._.end.push(end); } - schedule$$1.on = on1; + schedule.on = on1; }); }); } @@ -3964,6 +4043,7 @@ Transition.prototype = transition.prototype = { style: transition_style, styleTween: transition_styleTween, text: transition_text, + textTween: transition_textTween, remove: transition_remove, tween: transition_tween, delay: transition_delay, @@ -4228,13 +4308,13 @@ var root$1 = [null]; function active(node, name) { var schedules = node.__transition, - schedule$$1, + schedule, i; if (schedules) { name = name == null ? null : name + ""; for (i in schedules) { - if ((schedule$$1 = schedules[i]).state > SCHEDULED && schedule$$1.name === name) { + if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { return new Transition([[node]], root$1, name, +i); } } @@ -4269,24 +4349,38 @@ var MODE_DRAG = {name: "drag"}, MODE_HANDLE = {name: "handle"}, MODE_CENTER = {name: "center"}; +function number1(e) { + return [+e[0], +e[1]]; +} + +function number2(e) { + return [number1(e[0]), number1(e[1])]; +} + +function toucher(identifier) { + return function(target) { + return touch(target, exports.event.touches, identifier); + }; +} + var X = { name: "x", - handles: ["e", "w"].map(type), - input: function(x, e) { return x && [[x[0], e[0][1]], [x[1], e[1][1]]]; }, + handles: ["w", "e"].map(type), + input: function(x, e) { return x == null ? null : [[+x[0], e[0][1]], [+x[1], e[1][1]]]; }, output: function(xy) { return xy && [xy[0][0], xy[1][0]]; } }; var Y = { name: "y", handles: ["n", "s"].map(type), - input: function(y, e) { return y && [[e[0][0], y[0]], [e[1][0], y[1]]]; }, + input: function(y, e) { return y == null ? null : [[e[0][0], +y[0]], [e[1][0], +y[1]]]; }, output: function(xy) { return xy && [xy[0][1], xy[1][1]]; } }; var XY = { name: "xy", - handles: ["n", "e", "s", "w", "nw", "ne", "se", "sw"].map(type), - input: function(xy) { return xy; }, + handles: ["n", "w", "e", "s", "nw", "ne", "sw", "se"].map(type), + input: function(xy) { return xy == null ? null : number2(xy); }, output: function(xy) { return xy; } }; @@ -4353,14 +4447,22 @@ function type(t) { // Ignore right-click, since that should open the context menu. function defaultFilter$1() { - return !exports.event.button; + return !exports.event.ctrlKey && !exports.event.button; } function defaultExtent() { var svg = this.ownerSVGElement || this; + if (svg.hasAttribute("viewBox")) { + svg = svg.viewBox.baseVal; + return [[svg.x, svg.y], [svg.x + svg.width, svg.y + svg.height]]; + } return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]]; } +function defaultTouchable$1() { + return navigator.maxTouchPoints || ("ontouchstart" in this); +} + // Like d3.local, but with the name “__brush” rather than auto-generated. function local$1(node) { while (!node.__brush) if (!(node = node.parentNode)) return; @@ -4392,7 +4494,9 @@ function brush() { function brush$1(dim) { var extent = defaultExtent, filter = defaultFilter$1, - listeners = dispatch(brush, "start", "brush", "end"), + touchable = defaultTouchable$1, + keys = true, + listeners = dispatch("start", "brush", "end"), handleSize = 6, touchending; @@ -4439,11 +4543,16 @@ function brush$1(dim) { .each(redraw) .attr("fill", "none") .attr("pointer-events", "all") - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") - .on("mousedown.brush touchstart.brush", started); + .on("mousedown.brush", started) + .filter(touchable) + .on("touchstart.brush", started) + .on("touchmove.brush", touchmoved) + .on("touchend.brush touchcancel.brush", touchended) + .style("touch-action", "none") + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); } - brush.move = function(group, selection$$1) { + brush.move = function(group, selection) { if (group.selection) { group .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) @@ -4453,16 +4562,16 @@ function brush$1(dim) { state = that.__brush, emit = emitter(that, arguments), selection0 = state.selection, - selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(this, arguments) : selection$$1, state.extent), + selection1 = dim.input(typeof selection === "function" ? selection.apply(this, arguments) : selection, state.extent), i = interpolateValue(selection0, selection1); function tween(t) { - state.selection = t === 1 && empty$1(selection1) ? null : i(t); + state.selection = t === 1 && selection1 === null ? null : i(t); redraw.call(that); emit.brush(); } - return selection0 && selection1 ? tween : tween(1); + return selection0 !== null && selection1 !== null ? tween : tween(1); }); } else { group @@ -4470,35 +4579,39 @@ function brush$1(dim) { var that = this, args = arguments, state = that.__brush, - selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(that, args) : selection$$1, state.extent), + selection1 = dim.input(typeof selection === "function" ? selection.apply(that, args) : selection, state.extent), emit = emitter(that, args).beforestart(); interrupt(that); - state.selection = selection1 == null || empty$1(selection1) ? null : selection1; + state.selection = selection1 === null ? null : selection1; redraw.call(that); emit.start().brush().end(); }); } }; + brush.clear = function(group) { + brush.move(group, null); + }; + function redraw() { var group = select(this), - selection$$1 = local$1(this).selection; + selection = local$1(this).selection; - if (selection$$1) { + if (selection) { group.selectAll(".selection") .style("display", null) - .attr("x", selection$$1[0][0]) - .attr("y", selection$$1[0][1]) - .attr("width", selection$$1[1][0] - selection$$1[0][0]) - .attr("height", selection$$1[1][1] - selection$$1[0][1]); + .attr("x", selection[0][0]) + .attr("y", selection[0][1]) + .attr("width", selection[1][0] - selection[0][0]) + .attr("height", selection[1][1] - selection[0][1]); group.selectAll(".handle") .style("display", null) - .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection$$1[1][0] - handleSize / 2 : selection$$1[0][0] - handleSize / 2; }) - .attr("y", function(d) { return d.type[0] === "s" ? selection$$1[1][1] - handleSize / 2 : selection$$1[0][1] - handleSize / 2; }) - .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection$$1[1][0] - selection$$1[0][0] + handleSize : handleSize; }) - .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection$$1[1][1] - selection$$1[0][1] + handleSize : handleSize; }); + .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection[1][0] - handleSize / 2 : selection[0][0] - handleSize / 2; }) + .attr("y", function(d) { return d.type[0] === "s" ? selection[1][1] - handleSize / 2 : selection[0][1] - handleSize / 2; }) + .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection[1][0] - selection[0][0] + handleSize : handleSize; }) + .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection[1][1] - selection[0][1] + handleSize : handleSize; }); } else { @@ -4511,8 +4624,8 @@ function brush$1(dim) { } } - function emitter(that, args) { - return that.__brush.emitter || new Emitter(that, args); + function emitter(that, args, clean) { + return (!clean && that.__brush.emitter) || new Emitter(that, args); } function Emitter(that, args) { @@ -4529,6 +4642,7 @@ function brush$1(dim) { }, start: function() { if (this.starting) this.starting = false, this.emit("start"); + else this.emit("brush"); return this; }, brush: function() { @@ -4545,42 +4659,43 @@ function brush$1(dim) { }; function started() { - if (exports.event.touches) { if (exports.event.changedTouches.length < exports.event.touches.length) return noevent$1(); } - else if (touchending) return; + if (touchending && !exports.event.touches) return; if (!filter.apply(this, arguments)) return; var that = this, type = exports.event.target.__data__.type, - mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE), + mode = (keys && exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (keys && exports.event.altKey ? MODE_CENTER : MODE_HANDLE), signX = dim === Y ? null : signsX[type], signY = dim === X ? null : signsY[type], state = local$1(that), extent = state.extent, - selection$$1 = state.selection, + selection = state.selection, W = extent[0][0], w0, w1, N = extent[0][1], n0, n1, E = extent[1][0], e0, e1, S = extent[1][1], s0, s1, - dx, - dy, + dx = 0, + dy = 0, moving, - shifting = signX && signY && exports.event.shiftKey, + shifting = signX && signY && keys && exports.event.shiftKey, lockX, lockY, - point0 = mouse(that), - point$$1 = point0, - emit = emitter(that, arguments).beforestart(); + pointer = exports.event.touches ? toucher(exports.event.changedTouches[0].identifier) : mouse, + point0 = pointer(that), + point = point0, + emit = emitter(that, arguments, true).beforestart(); if (type === "overlay") { - state.selection = selection$$1 = [ + if (selection) moving = true; + state.selection = selection = [ [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] ]; } else { - w0 = selection$$1[0][0]; - n0 = selection$$1[0][1]; - e0 = selection$$1[1][0]; - s0 = selection$$1[1][1]; + w0 = selection[0][0]; + n0 = selection[0][1]; + e0 = selection[1][0]; + s0 = selection[1][1]; } w1 = w0; @@ -4595,15 +4710,15 @@ function brush$1(dim) { .attr("cursor", cursors[type]); if (exports.event.touches) { - group - .on("touchmove.brush", moved, true) - .on("touchend.brush touchcancel.brush", ended, true); + emit.moved = moved; + emit.ended = ended; } else { var view = select(exports.event.view) - .on("keydown.brush", keydowned, true) - .on("keyup.brush", keyupped, true) .on("mousemove.brush", moved, true) .on("mouseup.brush", ended, true); + if (keys) view + .on("keydown.brush", keydowned, true) + .on("keyup.brush", keyupped, true); dragDisable(exports.event.view); } @@ -4614,12 +4729,12 @@ function brush$1(dim) { emit.start(); function moved() { - var point1 = mouse(that); + var point1 = pointer(that); if (shifting && !lockX && !lockY) { - if (Math.abs(point1[0] - point$$1[0]) > Math.abs(point1[1] - point$$1[1])) lockY = true; + if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true; else lockX = true; } - point$$1 = point1; + point = point1; moving = true; noevent$1(); move(); @@ -4628,8 +4743,8 @@ function brush$1(dim) { function move() { var t; - dx = point$$1[0] - point0[0]; - dy = point$$1[1] - point0[1]; + dx = point[0] - point0[0]; + dy = point[1] - point0[1]; switch (mode) { case MODE_SPACE: @@ -4666,14 +4781,14 @@ function brush$1(dim) { if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); } - if (state.selection) selection$$1 = state.selection; // May be set by brush.move! - if (lockX) w1 = selection$$1[0][0], e1 = selection$$1[1][0]; - if (lockY) n1 = selection$$1[0][1], s1 = selection$$1[1][1]; + if (state.selection) selection = state.selection; // May be set by brush.move! + if (lockX) w1 = selection[0][0], e1 = selection[1][0]; + if (lockY) n1 = selection[0][1], s1 = selection[1][1]; - if (selection$$1[0][0] !== w1 - || selection$$1[0][1] !== n1 - || selection$$1[1][0] !== e1 - || selection$$1[1][1] !== s1) { + if (selection[0][0] !== w1 + || selection[0][1] !== n1 + || selection[1][0] !== e1 + || selection[1][1] !== s1) { state.selection = [[w1, n1], [e1, s1]]; redraw.call(that); emit.brush(); @@ -4686,15 +4801,14 @@ function brush$1(dim) { if (exports.event.touches.length) return; if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! - group.on("touchmove.brush touchend.brush touchcancel.brush", null); } else { yesdrag(exports.event.view, moving); view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); } group.attr("pointer-events", "all"); overlay.attr("cursor", cursors.overlay); - if (state.selection) selection$$1 = state.selection; // May be set by brush.move (on start)! - if (empty$1(selection$$1)) state.selection = null, redraw.call(that); + if (state.selection) selection = state.selection; // May be set by brush.move (on start)! + if (empty$1(selection)) state.selection = null, redraw.call(that); emit.end(); } @@ -4768,25 +4882,41 @@ function brush$1(dim) { } } + function touchmoved() { + emitter(this, arguments).moved(); + } + + function touchended() { + emitter(this, arguments).ended(); + } + function initialize() { var state = this.__brush || {selection: null}; - state.extent = extent.apply(this, arguments); + state.extent = number2(extent.apply(this, arguments)); state.dim = dim; return state; } brush.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$4([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), brush) : extent; + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$4(number2(_)), brush) : extent; }; brush.filter = function(_) { return arguments.length ? (filter = typeof _ === "function" ? _ : constant$4(!!_), brush) : filter; }; + brush.touchable = function(_) { + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$4(!!_), brush) : touchable; + }; + brush.handleSize = function(_) { return arguments.length ? (handleSize = +_, brush) : handleSize; }; + brush.keyModifiers = function(_) { + return arguments.length ? (keys = !!_, brush) : keys; + }; + brush.on = function() { var value = listeners.on.apply(listeners, arguments); return value === listeners ? brush : value; @@ -5013,7 +5143,7 @@ Path.prototype = path.prototype = { } }, arc: function(x, y, r, a0, a1, ccw) { - x = +x, y = +y, r = +r; + x = +x, y = +y, r = +r, ccw = !!ccw; var dx = r * Math.cos(a0), dy = r * Math.sin(a0), x0 = x + dx, @@ -5413,11 +5543,11 @@ var cases = [ function contours() { var dx = 1, dy = 1, - threshold$$1 = thresholdSturges, + threshold = thresholdSturges, smooth = smoothLinear; function contours(values) { - var tz = threshold$$1(values); + var tz = threshold(values); // Convert number of thresholds into uniform thresholds. if (!Array.isArray(tz)) { @@ -5577,7 +5707,7 @@ function contours() { }; contours.thresholds = function(_) { - return arguments.length ? (threshold$$1 = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), contours) : threshold$$1; + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), contours) : threshold; }; contours.smooth = function(_) { @@ -5654,7 +5784,7 @@ function density() { o = r * 3, // grid offset, to pad for blur n = (dx + o * 2) >> k, // grid width m = (dy + o * 2) >> k, // grid height - threshold$$1 = constant$6(20); + threshold = constant$6(20); function density(data) { var values0 = new Float32Array(n * m), @@ -5677,7 +5807,7 @@ function density() { blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); - var tz = threshold$$1(values0); + var tz = threshold(values0); // Convert number of thresholds into uniform thresholds. if (!Array.isArray(tz)) { @@ -5747,7 +5877,7 @@ function density() { }; density.thresholds = function(_) { - return arguments.length ? (threshold$$1 = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), density) : threshold$$1; + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), density) : threshold; }; density.bandwidth = function(_) { @@ -5767,7 +5897,7 @@ var EOL = {}, function objectConverter(columns) { return new Function("d", "return {" + columns.map(function(name, i) { - return JSON.stringify(name) + ": d[" + i + "]"; + return JSON.stringify(name) + ": d[" + i + "] || \"\""; }).join(",") + "}"); } @@ -5811,7 +5941,7 @@ function formatDate(date) { seconds = date.getUTCSeconds(), milliseconds = date.getUTCMilliseconds(); return isNaN(date) ? "Invalid Date" - : formatYear(date.getUTCFullYear(), 4) + "-" + pad(date.getUTCMonth() + 1, 2) + "-" + pad(date.getUTCDate(), 2) + : formatYear(date.getUTCFullYear()) + "-" + pad(date.getUTCMonth() + 1, 2) + "-" + pad(date.getUTCDate(), 2) + (milliseconds ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + ":" + pad(seconds, 2) + "." + pad(milliseconds, 3) + "Z" : seconds ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + ":" + pad(seconds, 2) + "Z" : minutes || hours ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + "Z" @@ -5918,7 +6048,9 @@ function dsvFormat(delimiter) { parseRows: parseRows, format: format, formatBody: formatBody, - formatRows: formatRows + formatRows: formatRows, + formatRow: formatRow, + formatValue: formatValue }; } @@ -5929,6 +6061,8 @@ var csvParseRows = csv.parseRows; var csvFormat = csv.format; var csvFormatBody = csv.formatBody; var csvFormatRows = csv.formatRows; +var csvFormatRow = csv.formatRow; +var csvFormatValue = csv.formatValue; var tsv = dsvFormat("\t"); @@ -5937,22 +6071,30 @@ var tsvParseRows = tsv.parseRows; var tsvFormat = tsv.format; var tsvFormatBody = tsv.formatBody; var tsvFormatRows = tsv.formatRows; +var tsvFormatRow = tsv.formatRow; +var tsvFormatValue = tsv.formatValue; function autoType(object) { for (var key in object) { - var value = object[key].trim(), number; + var value = object[key].trim(), number, m; if (!value) value = null; else if (value === "true") value = true; else if (value === "false") value = false; else if (value === "NaN") value = NaN; else if (!isNaN(number = +value)) value = number; - else if (/^([-+]\d{2})?\d{4}(-\d{2}(-\d{2})?)?(T\d{2}:\d{2}(:\d{2}(\.\d{3})?)?(Z|[-+]\d{2}:\d{2})?)?$/.test(value)) value = new Date(value); + else if (m = value.match(/^([-+]\d{2})?\d{4}(-\d{2}(-\d{2})?)?(T\d{2}:\d{2}(:\d{2}(\.\d{3})?)?(Z|[-+]\d{2}:\d{2})?)?$/)) { + if (fixtz && !!m[4] && !m[7]) value = value.replace(/-/g, "/").replace(/T/, " "); + value = new Date(value); + } else continue; object[key] = value; } return object; } +// https://github.com/d3/d3-dsv/issues/45 +var fixtz = new Date("2019-01-01T00:00").getHours() || new Date("2019-07-01T00:00").getHours(); + function responseBlob(response) { if (!response.ok) throw new Error(response.status + " " + response.statusText); return response.blob(); @@ -6021,8 +6163,8 @@ function json(input, init) { function parser(type) { return function(input, init) { - return text(input, init).then(function(text$$1) { - return (new DOMParser).parseFromString(text$$1, type); + return text(input, init).then(function(text) { + return (new DOMParser).parseFromString(text, type); }); }; } @@ -7139,24 +7281,35 @@ function formatNumerals(numerals) { var re = /^(?:(.)?([<>=^]))?([+\-( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i; function formatSpecifier(specifier) { - return new FormatSpecifier(specifier); + if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); + var match; + return new FormatSpecifier({ + fill: match[1], + align: match[2], + sign: match[3], + symbol: match[4], + zero: match[5], + width: match[6], + comma: match[7], + precision: match[8] && match[8].slice(1), + trim: match[9], + type: match[10] + }); } formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof function FormatSpecifier(specifier) { - if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); - var match; - this.fill = match[1] || " "; - this.align = match[2] || ">"; - this.sign = match[3] || "-"; - this.symbol = match[4] || ""; - this.zero = !!match[5]; - this.width = match[6] && +match[6]; - this.comma = !!match[7]; - this.precision = match[8] && +match[8].slice(1); - this.trim = !!match[9]; - this.type = match[10] || ""; + this.fill = specifier.fill === undefined ? " " : specifier.fill + ""; + this.align = specifier.align === undefined ? ">" : specifier.align + ""; + this.sign = specifier.sign === undefined ? "-" : specifier.sign + ""; + this.symbol = specifier.symbol === undefined ? "" : specifier.symbol + ""; + this.zero = !!specifier.zero; + this.width = specifier.width === undefined ? undefined : +specifier.width; + this.comma = !!specifier.comma; + this.precision = specifier.precision === undefined ? undefined : +specifier.precision; + this.trim = !!specifier.trim; + this.type = specifier.type === undefined ? "" : specifier.type + ""; } FormatSpecifier.prototype.toString = function() { @@ -7165,9 +7318,9 @@ FormatSpecifier.prototype.toString = function() { + this.sign + this.symbol + (this.zero ? "0" : "") - + (this.width == null ? "" : Math.max(1, this.width | 0)) + + (this.width === undefined ? "" : Math.max(1, this.width | 0)) + (this.comma ? "," : "") - + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0)) + + (this.precision === undefined ? "" : "." + Math.max(0, this.precision | 0)) + (this.trim ? "~" : "") + this.type; }; @@ -7178,7 +7331,7 @@ function formatTrim(s) { switch (s[i]) { case ".": i0 = i1 = i; break; case "0": if (i0 === 0) i0 = i; i1 = i; break; - default: if (i0 > 0) { if (!+s[i]) break out; i0 = 0; } break; + default: if (!+s[i]) break out; if (i0 > 0) i0 = 0; break; } } return i0 > 0 ? s.slice(0, i0) + s.slice(i1 + 1) : s; @@ -7229,14 +7382,18 @@ function identity$3(x) { return x; } -var prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; +var map$2 = Array.prototype.map, + prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; function formatLocale(locale) { - var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, - currency = locale.currency, - decimal = locale.decimal, - numerals = locale.numerals ? formatNumerals(locale.numerals) : identity$3, - percent = locale.percent || "%"; + var group = locale.grouping === undefined || locale.thousands === undefined ? identity$3 : formatGroup(map$2.call(locale.grouping, Number), locale.thousands + ""), + currencyPrefix = locale.currency === undefined ? "" : locale.currency[0] + "", + currencySuffix = locale.currency === undefined ? "" : locale.currency[1] + "", + decimal = locale.decimal === undefined ? "." : locale.decimal + "", + numerals = locale.numerals === undefined ? identity$3 : formatNumerals(map$2.call(locale.numerals, String)), + percent = locale.percent === undefined ? "%" : locale.percent + "", + minus = locale.minus === undefined ? "-" : locale.minus + "", + nan = locale.nan === undefined ? "NaN" : locale.nan + ""; function newFormat(specifier) { specifier = formatSpecifier(specifier); @@ -7256,15 +7413,15 @@ function formatLocale(locale) { if (type === "n") comma = true, type = "g"; // The "" type, and any invalid type, is an alias for ".12~g". - else if (!formatTypes[type]) precision == null && (precision = 12), trim = true, type = "g"; + else if (!formatTypes[type]) precision === undefined && (precision = 12), trim = true, type = "g"; // If zero fill is specified, padding goes after sign and before digits. if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; // Compute the prefix and suffix. // For SI-prefix, the suffix is lazily computed. - var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", - suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? percent : ""; + var prefix = symbol === "$" ? currencyPrefix : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", + suffix = symbol === "$" ? currencySuffix : /[%p]/.test(type) ? percent : ""; // What format function should we use? // Is this an integer type? @@ -7276,7 +7433,7 @@ function formatLocale(locale) { // or clamp the specified precision to the supported range. // For significant precision, it must be in [1, 21]. // For fixed precision, it must be in [0, 20]. - precision = precision == null ? 6 + precision = precision === undefined ? 6 : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) : Math.max(0, Math.min(20, precision)); @@ -7291,18 +7448,20 @@ function formatLocale(locale) { } else { value = +value; + // Determine the sign. -0 is not less than 0, but 1 / -0 is! + var valueNegative = value < 0 || 1 / value < 0; + // Perform the initial formatting. - var valueNegative = value < 0; - value = formatType(Math.abs(value), precision); + value = isNaN(value) ? nan : formatType(Math.abs(value), precision); // Trim insignificant zeros. if (trim) value = formatTrim(value); - // If a negative value rounds to zero during formatting, treat as positive. - if (valueNegative && +value === 0) valueNegative = false; + // If a negative value rounds to zero after formatting, and no explicit positive sign is requested, hide the sign. + if (valueNegative && +value === 0 && sign !== "+") valueNegative = false; // Compute the prefix and suffix. - valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; + valuePrefix = (valueNegative ? (sign === "(" ? sign : minus) : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; valueSuffix = (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + valueSuffix + (valueNegative && sign === "(" ? ")" : ""); // Break the formatted value into the integer “value” part that can be @@ -7369,7 +7528,8 @@ defaultLocale({ decimal: ".", thousands: ",", grouping: [3], - currency: ["$", ""] + currency: ["$", ""], + minus: "-" }); function defaultLocale(definition) { @@ -7670,6 +7830,9 @@ var boundsStream = { else if (deltaSum > epsilon$2) phi1 = 90; else if (deltaSum < -epsilon$2) phi0 = -90; range[0] = lambda0$1, range[1] = lambda1; + }, + sphere: function() { + lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); } }; @@ -7688,14 +7851,14 @@ function linePoint(lambda, phi) { cartesianNormalizeInPlace(inflection); inflection = spherical(inflection); var delta = lambda - lambda2, - sign$$1 = delta > 0 ? 1 : -1, - lambdai = inflection[0] * degrees$1 * sign$$1, + sign = delta > 0 ? 1 : -1, + lambdai = inflection[0] * degrees$1 * sign, phii, antimeridian = abs(delta) > 180; - if (antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) { + if (antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { phii = inflection[1] * degrees$1; if (phii > phi1) phi1 = phii; - } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) { + } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { phii = -inflection[1] * degrees$1; if (phii < phi0) phi0 = phii; } else { @@ -8240,8 +8403,15 @@ function link$1(array) { var sum$1 = adder(); +function longitude(point) { + if (abs(point[0]) <= pi$3) + return point[0]; + else + return sign(point[0]) * ((abs(point[0]) + pi$3) % tau$3 - pi$3); +} + function polygonContains(polygon, point) { - var lambda = point[0], + var lambda = longitude(point), phi = point[1], sinPhi = sin$1(phi), normal = [sin$1(lambda), -cos$1(lambda), 0], @@ -8258,25 +8428,25 @@ function polygonContains(polygon, point) { var ring, m, point0 = ring[m - 1], - lambda0 = point0[0], + lambda0 = longitude(point0), phi0 = point0[1] / 2 + quarterPi, sinPhi0 = sin$1(phi0), cosPhi0 = cos$1(phi0); for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { var point1 = ring[j], - lambda1 = point1[0], + lambda1 = longitude(point1), phi1 = point1[1] / 2 + quarterPi, sinPhi1 = sin$1(phi1), cosPhi1 = cos$1(phi1), delta = lambda1 - lambda0, - sign$$1 = delta >= 0 ? 1 : -1, - absDelta = sign$$1 * delta, + sign = delta >= 0 ? 1 : -1, + absDelta = sign * delta, antimeridian = absDelta > pi$3, k = sinPhi0 * sinPhi1; - sum$1.add(atan2(k * sign$$1 * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); - angle += antimeridian ? delta + sign$$1 * tau$3 : delta; + sum$1.add(atan2(k * sign * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); + angle += antimeridian ? delta + sign * tau$3 : delta; // Are the longitudes either side of the point’s meridian (lambda), // and are the latitudes smaller than the parallel (phi)? @@ -9057,10 +9227,23 @@ function containsPoint(coordinates, point) { } function containsLine(coordinates, point) { - var ab = distance(coordinates[0], coordinates[1]), - ao = distance(coordinates[0], point), - ob = distance(point, coordinates[1]); - return ao + ob <= ab + epsilon$2; + var ao, bo, ab; + for (var i = 0, n = coordinates.length; i < n; i++) { + bo = distance(coordinates[i], point); + if (bo === 0) return true; + if (i > 0) { + ab = distance(coordinates[i], coordinates[i - 1]); + if ( + ab > 0 && + ao <= ab && + bo <= ab && + (ao + bo - ab) * (1 - Math.pow((ao - bo) / ab, 2)) < epsilon2$1 * ab + ) + return true; + } + ao = bo; + } + return false; } function containsPolygon(coordinates, point) { @@ -9772,17 +9955,18 @@ function transformRotate(rotate) { }); } -function scaleTranslate(k, dx, dy) { - function transform$$1(x, y) { +function scaleTranslate(k, dx, dy, sx, sy) { + function transform(x, y) { + x *= sx; y *= sy; return [dx + k * x, dy - k * y]; } - transform$$1.invert = function(x, y) { - return [(x - dx) / k, (dy - y) / k]; + transform.invert = function(x, y) { + return [(x - dx) / k * sx, (dy - y) / k * sy]; }; - return transform$$1; + return transform; } -function scaleTranslateRotate(k, dx, dy, alpha) { +function scaleTranslateRotate(k, dx, dy, sx, sy, alpha) { var cosAlpha = cos$1(alpha), sinAlpha = sin$1(alpha), a = cosAlpha * k, @@ -9791,13 +9975,14 @@ function scaleTranslateRotate(k, dx, dy, alpha) { bi = sinAlpha / k, ci = (sinAlpha * dy - cosAlpha * dx) / k, fi = (sinAlpha * dx + cosAlpha * dy) / k; - function transform$$1(x, y) { + function transform(x, y) { + x *= sx; y *= sy; return [a * x - b * y + dx, dy - b * x - a * y]; } - transform$$1.invert = function(x, y) { - return [ai * x - bi * y + ci, fi - bi * x - ai * y]; + transform.invert = function(x, y) { + return [sx * (ai * x - bi * y + ci), sy * (fi - bi * x - ai * y)]; }; - return transform$$1; + return transform; } function projection(project) { @@ -9810,7 +9995,9 @@ function projectionMutator(projectAt) { x = 480, y = 250, // translate lambda = 0, phi = 0, // center deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, // pre-rotate - alpha = 0, // post-rotate + alpha = 0, // post-rotate angle + sx = 1, // reflectX + sy = 1, // reflectX theta = null, preclip = clipAntimeridian, // pre-clip angle x0 = null, y0, x1, y1, postclip = identity$4, // post-clip extent delta2 = 0.5, // precision @@ -9869,6 +10056,14 @@ function projectionMutator(projectAt) { return arguments.length ? (alpha = _ % 360 * radians, recenter()) : alpha * degrees$1; }; + projection.reflectX = function(_) { + return arguments.length ? (sx = _ ? -1 : 1, recenter()) : sx < 0; + }; + + projection.reflectY = function(_) { + return arguments.length ? (sy = _ ? -1 : 1, recenter()) : sy < 0; + }; + projection.precision = function(_) { return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt(delta2); }; @@ -9890,10 +10085,10 @@ function projectionMutator(projectAt) { }; function recenter() { - var center = scaleTranslateRotate(k, 0, 0, alpha).apply(null, project(lambda, phi)), - transform$$1 = (alpha ? scaleTranslateRotate : scaleTranslate)(k, x - center[0], y - center[1], alpha); + var center = scaleTranslateRotate(k, 0, 0, sx, sy, alpha).apply(null, project(lambda, phi)), + transform = (alpha ? scaleTranslateRotate : scaleTranslate)(k, x - center[0], y - center[1], sx, sy, alpha); rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma); - projectTransform = compose(project, transform$$1); + projectTransform = compose(project, transform); projectRotateTransform = compose(rotate, projectTransform); projectResample = resample(projectTransform, delta2); return reset(); @@ -9952,8 +10147,11 @@ function conicEqualAreaRaw(y0, y1) { } project.invert = function(x, y) { - var r0y = r0 - y; - return [atan2(x, abs(r0y)) / n * sign(r0y), asin((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; + var r0y = r0 - y, + l = atan2(x, abs(r0y)) * sign(r0y); + if (r0y * n < 0) + l -= pi$3 * sign(x) * sign(r0y); + return [l / n, asin((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; }; return project; @@ -10202,8 +10400,11 @@ function conicConformalRaw(y0, y1) { } project.invert = function(x, y) { - var fy = f - y, r = sign(n) * sqrt(x * x + fy * fy); - return [atan2(x, abs(fy)) / n * sign(fy), 2 * atan(pow(f / r, 1 / n)) - halfPi$2]; + var fy = f - y, r = sign(n) * sqrt(x * x + fy * fy), + l = atan2(x, abs(fy)) * sign(fy); + if (fy * n < 0) + l -= pi$3 * sign(x) * sign(fy); + return [l / n, 2 * atan(pow(f / r, 1 / n)) - halfPi$2]; }; return project; @@ -10239,8 +10440,11 @@ function conicEquidistantRaw(y0, y1) { } project.invert = function(x, y) { - var gy = g - y; - return [atan2(x, abs(gy)) / n * sign(gy), g - sign(n) * sqrt(x * x + gy * gy)]; + var gy = g - y, + l = atan2(x, abs(gy)) * sign(gy); + if (gy * n < 0) + l -= pi$3 * sign(x) * sign(gy); + return [l / n, g - sign(n) * sqrt(x * x + gy * gy)]; }; return project; @@ -10299,62 +10503,84 @@ function gnomonic() { .clipAngle(60); } -function scaleTranslate$1(kx, ky, tx, ty) { - return kx === 1 && ky === 1 && tx === 0 && ty === 0 ? identity$4 : transformer({ - point: function(x, y) { - this.stream.point(x * kx + tx, y * ky + ty); - } - }); -} - function identity$5() { - var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, transform$$1 = identity$4, // scale, translate and reflect + var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, // scale, translate and reflect + alpha = 0, ca, sa, // angle x0 = null, y0, x1, y1, // clip extent + kx = 1, ky = 1, + transform = transformer({ + point: function(x, y) { + var p = projection([x, y]); + this.stream.point(p[0], p[1]); + } + }), postclip = identity$4, cache, - cacheStream, - projection; + cacheStream; function reset() { + kx = k * sx; + ky = k * sy; cache = cacheStream = null; return projection; } - return projection = { - stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = transform$$1(postclip(cacheStream = stream)); - }, - postclip: function(_) { - return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; - }, - clipExtent: function(_) { - return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; - }, - scale: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate$1((k = +_) * sx, k * sy, tx, ty), reset()) : k; - }, - translate: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate$1(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; - }, - reflectX: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate$1(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0; - }, - reflectY: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate$1(k * sx, k * (sy = _ ? -1 : 1), tx, ty), reset()) : sy < 0; - }, - fitExtent: function(extent, object) { - return fitExtent(projection, extent, object); - }, - fitSize: function(size, object) { - return fitSize(projection, size, object); - }, - fitWidth: function(width, object) { - return fitWidth(projection, width, object); - }, - fitHeight: function(height, object) { - return fitHeight(projection, height, object); + function projection (p) { + var x = p[0] * kx, y = p[1] * ky; + if (alpha) { + var t = y * ca - x * sa; + x = x * ca + y * sa; + y = t; + } + return [x + tx, y + ty]; + } + projection.invert = function(p) { + var x = p[0] - tx, y = p[1] - ty; + if (alpha) { + var t = y * ca + x * sa; + x = x * ca - y * sa; + y = t; } + return [x / kx, y / ky]; + }; + projection.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = transform(postclip(cacheStream = stream)); + }; + projection.postclip = function(_) { + return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; + }; + projection.clipExtent = function(_) { + return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + }; + projection.scale = function(_) { + return arguments.length ? (k = +_, reset()) : k; + }; + projection.translate = function(_) { + return arguments.length ? (tx = +_[0], ty = +_[1], reset()) : [tx, ty]; + }; + projection.angle = function(_) { + return arguments.length ? (alpha = _ % 360 * radians, sa = sin$1(alpha), ca = cos$1(alpha), reset()) : alpha * degrees$1; + }; + projection.reflectX = function(_) { + return arguments.length ? (sx = _ ? -1 : 1, reset()) : sx < 0; + }; + projection.reflectY = function(_) { + return arguments.length ? (sy = _ ? -1 : 1, reset()) : sy < 0; + }; + projection.fitExtent = function(extent, object) { + return fitExtent(projection, extent, object); }; + projection.fitSize = function(size, object) { + return fitSize(projection, size, object); + }; + projection.fitWidth = function(width, object) { + return fitWidth(projection, width, object); + }; + projection.fitHeight = function(height, object) { + return fitHeight(projection, height, object); + }; + + return projection; } function naturalEarth1Raw(lambda, phi) { @@ -11951,7 +12177,7 @@ function initInterpolator(domain, interpolator) { var array$3 = Array.prototype; -var map$2 = array$3.map; +var map$3 = array$3.map; var slice$5 = array$3.slice; var implicit = {name: "implicit"}; @@ -12000,7 +12226,7 @@ function band() { var scale = ordinal().unknown(undefined), domain = scale.domain, ordinalRange = scale.range, - range$$1 = [0, 1], + range = [0, 1], step, bandwidth, round = false, @@ -12012,9 +12238,9 @@ function band() { function rescale() { var n = domain().length, - reverse = range$$1[1] < range$$1[0], - start = range$$1[reverse - 0], - stop = range$$1[1 - reverse]; + reverse = range[1] < range[0], + start = range[reverse - 0], + stop = range[1 - reverse]; step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); if (round) step = Math.floor(step); start += (stop - start - step * (n - paddingInner)) * align; @@ -12029,11 +12255,11 @@ function band() { }; scale.range = function(_) { - return arguments.length ? (range$$1 = [+_[0], +_[1]], rescale()) : range$$1.slice(); + return arguments.length ? (range = [+_[0], +_[1]], rescale()) : range.slice(); }; scale.rangeRound = function(_) { - return range$$1 = [+_[0], +_[1]], round = true, rescale(); + return range = [+_[0], +_[1]], round = true, rescale(); }; scale.bandwidth = function() { @@ -12065,7 +12291,7 @@ function band() { }; scale.copy = function() { - return band(domain(), range$$1) + return band(domain(), range) .round(round) .paddingInner(paddingInner) .paddingOuter(paddingOuter) @@ -12123,14 +12349,14 @@ function clamper(domain) { // normalize(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. // interpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding range value x in [a,b]. -function bimap(domain, range, interpolate$$1) { +function bimap(domain, range, interpolate) { var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; - if (d1 < d0) d0 = normalize(d1, d0), r0 = interpolate$$1(r1, r0); - else d0 = normalize(d0, d1), r0 = interpolate$$1(r0, r1); + if (d1 < d0) d0 = normalize(d1, d0), r0 = interpolate(r1, r0); + else d0 = normalize(d0, d1), r0 = interpolate(r0, r1); return function(x) { return r0(d0(x)); }; } -function polymap(domain, range, interpolate$$1) { +function polymap(domain, range, interpolate) { var j = Math.min(domain.length, range.length) - 1, d = new Array(j), r = new Array(j), @@ -12144,7 +12370,7 @@ function polymap(domain, range, interpolate$$1) { while (++i < j) { d[i] = normalize(domain[i], domain[i + 1]); - r[i] = interpolate$$1(range[i], range[i + 1]); + r[i] = interpolate(range[i], range[i + 1]); } return function(x) { @@ -12165,31 +12391,31 @@ function copy(source, target) { function transformer$1() { var domain = unit, range = unit, - interpolate$$1 = interpolateValue, + interpolate = interpolateValue, transform, untransform, unknown, clamp = identity$6, - piecewise$$1, + piecewise, output, input; function rescale() { - piecewise$$1 = Math.min(domain.length, range.length) > 2 ? polymap : bimap; + piecewise = Math.min(domain.length, range.length) > 2 ? polymap : bimap; output = input = null; return scale; } function scale(x) { - return isNaN(x = +x) ? unknown : (output || (output = piecewise$$1(domain.map(transform), range, interpolate$$1)))(transform(clamp(x))); + return isNaN(x = +x) ? unknown : (output || (output = piecewise(domain.map(transform), range, interpolate)))(transform(clamp(x))); } scale.invert = function(y) { - return clamp(untransform((input || (input = piecewise$$1(range, domain.map(transform), interpolateNumber)))(y))); + return clamp(untransform((input || (input = piecewise(range, domain.map(transform), interpolateNumber)))(y))); }; scale.domain = function(_) { - return arguments.length ? (domain = map$2.call(_, number$2), clamp === identity$6 || (clamp = clamper(domain)), rescale()) : domain.slice(); + return arguments.length ? (domain = map$3.call(_, number$2), clamp === identity$6 || (clamp = clamper(domain)), rescale()) : domain.slice(); }; scale.range = function(_) { @@ -12197,7 +12423,7 @@ function transformer$1() { }; scale.rangeRound = function(_) { - return range = slice$5.call(_), interpolate$$1 = interpolateRound, rescale(); + return range = slice$5.call(_), interpolate = interpolateRound, rescale(); }; scale.clamp = function(_) { @@ -12205,7 +12431,7 @@ function transformer$1() { }; scale.interpolate = function(_) { - return arguments.length ? (interpolate$$1 = _, rescale()) : interpolate$$1; + return arguments.length ? (interpolate = _, rescale()) : interpolate; }; scale.unknown = function(_) { @@ -12327,7 +12553,7 @@ function identity$7(domain) { scale.invert = scale; scale.domain = scale.range = function(_) { - return arguments.length ? (domain = map$2.call(_, number$2), scale) : domain.slice(); + return arguments.length ? (domain = map$3.call(_, number$2), scale) : domain.slice(); }; scale.unknown = function(_) { @@ -12338,7 +12564,7 @@ function identity$7(domain) { return identity$7(domain).unknown(unknown); }; - domain = arguments.length ? map$2.call(domain, number$2) : [0, 1]; + domain = arguments.length ? map$3.call(domain, number$2) : [0, 1]; return linearish(scale); } @@ -12581,7 +12807,7 @@ function sqrt$1() { return pow$1.apply(null, arguments).exponent(0.5); } -function quantile$$1() { +function quantile() { var domain = [], range = [], thresholds = [], @@ -12627,7 +12853,7 @@ function quantile$$1() { }; scale.copy = function() { - return quantile$$1() + return quantile() .domain(domain) .range(range) .unknown(unknown); @@ -12732,10 +12958,12 @@ var t0$1 = new Date, function newInterval(floori, offseti, count, field) { function interval(date) { - return floori(date = new Date(+date)), date; + return floori(date = arguments.length === 0 ? new Date : new Date(+date)), date; } - interval.floor = interval; + interval.floor = function(date) { + return floori(date = new Date(+date)), date; + }; interval.ceil = function(date) { return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; @@ -13043,8 +13271,8 @@ function utcDate(d) { return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); } -function newYear(y) { - return {y: y, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0}; +function newDate(y, m, d) { + return {y: y, m: m, d: d, H: 0, M: 0, S: 0, L: 0}; } function formatLocale$1(locale) { @@ -13084,6 +13312,7 @@ function formatLocale$1(locale) { "m": formatMonthNumber, "M": formatMinutes, "p": formatPeriod, + "q": formatQuarter, "Q": formatUnixTimestamp, "s": formatUnixTimestampSeconds, "S": formatSeconds, @@ -13116,6 +13345,7 @@ function formatLocale$1(locale) { "m": formatUTCMonthNumber, "M": formatUTCMinutes, "p": formatUTCPeriod, + "q": formatUTCQuarter, "Q": formatUnixTimestamp, "s": formatUnixTimestampSeconds, "S": formatUTCSeconds, @@ -13148,6 +13378,7 @@ function formatLocale$1(locale) { "m": parseMonthNumber, "M": parseMinutes, "p": parsePeriod, + "q": parseQuarter, "Q": parseUnixTimestamp, "s": parseUnixTimestampSeconds, "S": parseSeconds, @@ -13200,33 +13431,40 @@ function formatLocale$1(locale) { }; } - function newParse(specifier, newDate) { + function newParse(specifier, Z) { return function(string) { - var d = newYear(1900), + var d = newDate(1900, undefined, 1), i = parseSpecifier(d, specifier, string += "", 0), - week, day$$1; + week, day$1; if (i != string.length) return null; // If a UNIX timestamp is specified, return it. if ("Q" in d) return new Date(d.Q); + if ("s" in d) return new Date(d.s * 1000 + ("L" in d ? d.L : 0)); + + // If this is utcParse, never use the local timezone. + if (Z && !("Z" in d)) d.Z = 0; // The am-pm flag is 0 for AM, and 1 for PM. if ("p" in d) d.H = d.H % 12 + d.p * 12; + // If the month was not specified, inherit from the quarter. + if (d.m === undefined) d.m = "q" in d ? d.q : 0; + // Convert day-of-week and week-of-year to day-of-year. if ("V" in d) { if (d.V < 1 || d.V > 53) return null; if (!("w" in d)) d.w = 1; if ("Z" in d) { - week = utcDate(newYear(d.y)), day$$1 = week.getUTCDay(); - week = day$$1 > 4 || day$$1 === 0 ? utcMonday.ceil(week) : utcMonday(week); + week = utcDate(newDate(d.y, 0, 1)), day$1 = week.getUTCDay(); + week = day$1 > 4 || day$1 === 0 ? utcMonday.ceil(week) : utcMonday(week); week = utcDay.offset(week, (d.V - 1) * 7); d.y = week.getUTCFullYear(); d.m = week.getUTCMonth(); d.d = week.getUTCDate() + (d.w + 6) % 7; } else { - week = newDate(newYear(d.y)), day$$1 = week.getDay(); - week = day$$1 > 4 || day$$1 === 0 ? monday.ceil(week) : monday(week); + week = localDate(newDate(d.y, 0, 1)), day$1 = week.getDay(); + week = day$1 > 4 || day$1 === 0 ? monday.ceil(week) : monday(week); week = day.offset(week, (d.V - 1) * 7); d.y = week.getFullYear(); d.m = week.getMonth(); @@ -13234,9 +13472,9 @@ function formatLocale$1(locale) { } } else if ("W" in d || "U" in d) { if (!("w" in d)) d.w = "u" in d ? d.u % 7 : "W" in d ? 1 : 0; - day$$1 = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay(); + day$1 = "Z" in d ? utcDate(newDate(d.y, 0, 1)).getUTCDay() : localDate(newDate(d.y, 0, 1)).getDay(); d.m = 0; - d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$$1 + 5) % 7 : d.w + d.U * 7 - (day$$1 + 6) % 7; + d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$1 + 5) % 7 : d.w + d.U * 7 - (day$1 + 6) % 7; } // If a time zone is specified, all fields are interpreted as UTC and then @@ -13248,7 +13486,7 @@ function formatLocale$1(locale) { } // Otherwise, all fields are in local time. - return newDate(d); + return localDate(d); }; } @@ -13331,6 +13569,10 @@ function formatLocale$1(locale) { return locale_periods[+(d.getHours() >= 12)]; } + function formatQuarter(d) { + return 1 + ~~(d.getMonth() / 3); + } + function formatUTCShortWeekday(d) { return locale_shortWeekdays[d.getUTCDay()]; } @@ -13351,6 +13593,10 @@ function formatLocale$1(locale) { return locale_periods[+(d.getUTCHours() >= 12)]; } + function formatUTCQuarter(d) { + return 1 + ~~(d.getUTCMonth() / 3); + } + return { format: function(specifier) { var f = newFormat(specifier += "", formats); @@ -13358,7 +13604,7 @@ function formatLocale$1(locale) { return f; }, parse: function(specifier) { - var p = newParse(specifier += "", localDate); + var p = newParse(specifier += "", false); p.toString = function() { return specifier; }; return p; }, @@ -13368,7 +13614,7 @@ function formatLocale$1(locale) { return f; }, utcParse: function(specifier) { - var p = newParse(specifier, utcDate); + var p = newParse(specifier += "", true); p.toString = function() { return specifier; }; return p; } @@ -13441,6 +13687,11 @@ function parseZone(d, string, i) { return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; } +function parseQuarter(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 1)); + return n ? (d.q = n[0] * 3 - 3, i + n[0].length) : -1; +} + function parseMonthNumber(d, string, i) { var n = numberRe.exec(string.slice(i, i + 2)); return n ? (d.m = n[0] - 1, i + n[0].length) : -1; @@ -13493,7 +13744,7 @@ function parseUnixTimestamp(d, string, i) { function parseUnixTimestampSeconds(d, string, i) { var n = numberRe.exec(string.slice(i)); - return n ? (d.Q = (+n[0]) * 1000, i + n[0].length) : -1; + return n ? (d.s = +n[0], i + n[0].length) : -1; } function formatDayOfMonth(d, p) { @@ -13533,17 +13784,17 @@ function formatSeconds(d, p) { } function formatWeekdayNumberMonday(d) { - var day$$1 = d.getDay(); - return day$$1 === 0 ? 7 : day$$1; + var day = d.getDay(); + return day === 0 ? 7 : day; } function formatWeekNumberSunday(d, p) { - return pad$1(sunday.count(year(d), d), p, 2); + return pad$1(sunday.count(year(d) - 1, d), p, 2); } function formatWeekNumberISO(d, p) { - var day$$1 = d.getDay(); - d = (day$$1 >= 4 || day$$1 === 0) ? thursday(d) : thursday.ceil(d); + var day = d.getDay(); + d = (day >= 4 || day === 0) ? thursday(d) : thursday.ceil(d); return pad$1(thursday.count(year(d), d) + (year(d).getDay() === 4), p, 2); } @@ -13552,7 +13803,7 @@ function formatWeekdayNumberSunday(d) { } function formatWeekNumberMonday(d, p) { - return pad$1(monday.count(year(d), d), p, 2); + return pad$1(monday.count(year(d) - 1, d), p, 2); } function formatYear$1(d, p) { @@ -13612,12 +13863,12 @@ function formatUTCWeekdayNumberMonday(d) { } function formatUTCWeekNumberSunday(d, p) { - return pad$1(utcSunday.count(utcYear(d), d), p, 2); + return pad$1(utcSunday.count(utcYear(d) - 1, d), p, 2); } function formatUTCWeekNumberISO(d, p) { - var day$$1 = d.getUTCDay(); - d = (day$$1 >= 4 || day$$1 === 0) ? utcThursday(d) : utcThursday.ceil(d); + var day = d.getUTCDay(); + d = (day >= 4 || day === 0) ? utcThursday(d) : utcThursday.ceil(d); return pad$1(utcThursday.count(utcYear(d), d) + (utcYear(d).getUTCDay() === 4), p, 2); } @@ -13626,7 +13877,7 @@ function formatUTCWeekdayNumberSunday(d) { } function formatUTCWeekNumberMonday(d, p) { - return pad$1(utcMonday.count(utcYear(d), d), p, 2); + return pad$1(utcMonday.count(utcYear(d) - 1, d), p, 2); } function formatUTCYear(d, p) { @@ -13710,7 +13961,7 @@ function number$3(t) { return t instanceof Date ? +t : +new Date(+t); } -function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format) { +function calendar(year, month, week, day, hour, minute, second, millisecond, format) { var scale = continuous(identity$6, identity$6), invert = scale.invert, domain = scale.domain; @@ -13725,33 +13976,33 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 formatYear = format("%Y"); var tickIntervals = [ - [second$$1, 1, durationSecond$1], - [second$$1, 5, 5 * durationSecond$1], - [second$$1, 15, 15 * durationSecond$1], - [second$$1, 30, 30 * durationSecond$1], - [minute$$1, 1, durationMinute$1], - [minute$$1, 5, 5 * durationMinute$1], - [minute$$1, 15, 15 * durationMinute$1], - [minute$$1, 30, 30 * durationMinute$1], - [ hour$$1, 1, durationHour$1 ], - [ hour$$1, 3, 3 * durationHour$1 ], - [ hour$$1, 6, 6 * durationHour$1 ], - [ hour$$1, 12, 12 * durationHour$1 ], - [ day$$1, 1, durationDay$1 ], - [ day$$1, 2, 2 * durationDay$1 ], + [second, 1, durationSecond$1], + [second, 5, 5 * durationSecond$1], + [second, 15, 15 * durationSecond$1], + [second, 30, 30 * durationSecond$1], + [minute, 1, durationMinute$1], + [minute, 5, 5 * durationMinute$1], + [minute, 15, 15 * durationMinute$1], + [minute, 30, 30 * durationMinute$1], + [ hour, 1, durationHour$1 ], + [ hour, 3, 3 * durationHour$1 ], + [ hour, 6, 6 * durationHour$1 ], + [ hour, 12, 12 * durationHour$1 ], + [ day, 1, durationDay$1 ], + [ day, 2, 2 * durationDay$1 ], [ week, 1, durationWeek$1 ], - [ month$$1, 1, durationMonth ], - [ month$$1, 3, 3 * durationMonth ], - [ year$$1, 1, durationYear ] + [ month, 1, durationMonth ], + [ month, 3, 3 * durationMonth ], + [ year, 1, durationYear ] ]; function tickFormat(date) { - return (second$$1(date) < date ? formatMillisecond - : minute$$1(date) < date ? formatSecond - : hour$$1(date) < date ? formatMinute - : day$$1(date) < date ? formatHour - : month$$1(date) < date ? (week(date) < date ? formatDay : formatWeek) - : year$$1(date) < date ? formatMonth + return (second(date) < date ? formatMillisecond + : minute(date) < date ? formatSecond + : hour(date) < date ? formatMinute + : day(date) < date ? formatHour + : month(date) < date ? (week(date) < date ? formatDay : formatWeek) + : year(date) < date ? formatMonth : formatYear)(date); } @@ -13766,14 +14017,14 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); if (i === tickIntervals.length) { step = tickStep(start / durationYear, stop / durationYear, interval); - interval = year$$1; + interval = year; } else if (i) { i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; step = i[1]; interval = i[0]; } else { step = Math.max(tickStep(start, stop, interval), 1); - interval = millisecond$$1; + interval = millisecond; } } @@ -13785,7 +14036,7 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 }; scale.domain = function(_) { - return arguments.length ? domain(map$2.call(_, number$3)) : domain().map(date$1); + return arguments.length ? domain(map$3.call(_, number$3)) : domain().map(date$1); }; scale.ticks = function(interval, step) { @@ -13812,7 +14063,7 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 }; scale.copy = function() { - return copy(scale, calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format)); + return copy(scale, calendar(year, month, week, day, hour, minute, second, millisecond, format)); }; return scale; @@ -14050,6 +14301,8 @@ var Set2 = colors("66c2a5fc8d628da0cbe78ac3a6d854ffd92fe5c494b3b3b3"); var Set3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5ffed6f"); +var Tableau10 = colors("4e79a7f28e2ce1575976b7b259a14fedc949af7aa1ff9da79c755fbab0ab"); + function ramp(scheme) { return rgbBasis(scheme[scheme.length - 1]); } @@ -14396,6 +14649,15 @@ var scheme$q = new Array(3).concat( var Oranges = ramp(scheme$q); +function cividis(t) { + t = Math.max(0, Math.min(1, t)); + return "rgb(" + + Math.max(0, Math.min(255, Math.round(-4.54 - t * (35.34 - t * (2381.73 - t * (6402.7 - t * (7024.72 - t * 2710.57))))))) + ", " + + Math.max(0, Math.min(255, Math.round(32.49 + t * (170.73 + t * (52.82 - t * (131.46 - t * (176.58 - t * 67.37))))))) + ", " + + Math.max(0, Math.min(255, Math.round(81.24 + t * (442.36 - t * (2482.43 - t * (6167.24 - t * (6614.94 - t * 2475.67))))))) + + ")"; +} + var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); var warm = cubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); @@ -14426,6 +14688,15 @@ function sinebow(t) { return c$1 + ""; } +function turbo(t) { + t = Math.max(0, Math.min(1, t)); + return "rgb(" + + Math.max(0, Math.min(255, Math.round(34.61 + t * (1172.33 - t * (10793.56 - t * (33300.12 - t * (38394.49 - t * 14825.05))))))) + ", " + + Math.max(0, Math.min(255, Math.round(23.31 + t * (557.33 + t * (1225.33 - t * (3574.96 - t * (1073.77 + t * 707.56))))))) + ", " + + Math.max(0, Math.min(255, Math.round(27.2 + t * (3211.1 - t * (15327.97 - t * (27814 - t * (22569.18 - t * 6838.66))))))) + + ")"; +} + function ramp$1(range) { var n = range.length; return function(t) { @@ -14767,8 +15038,8 @@ function y$3(p) { } function line() { - var x$$1 = x$3, - y$$1 = y$3, + var x = x$3, + y = y$3, defined = constant$b(true), context = null, curve = curveLinear, @@ -14788,18 +15059,18 @@ function line() { if (defined0 = !defined0) output.lineStart(); else output.lineEnd(); } - if (defined0) output.point(+x$$1(d, i, data), +y$$1(d, i, data)); + if (defined0) output.point(+x(d, i, data), +y(d, i, data)); } if (buffer) return output = null, buffer + "" || null; } line.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$b(+_), line) : x$$1; + return arguments.length ? (x = typeof _ === "function" ? _ : constant$b(+_), line) : x; }; line.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$b(+_), line) : y$$1; + return arguments.length ? (y = typeof _ === "function" ? _ : constant$b(+_), line) : y; }; line.defined = function(_) { @@ -15099,14 +15370,14 @@ function linkTarget(d) { function link$2(curve) { var source = linkSource, target = linkTarget, - x$$1 = x$3, - y$$1 = y$3, + x = x$3, + y = y$3, context = null; function link() { var buffer, argv = slice$6.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); if (!context) context = buffer = path(); - curve(context, +x$$1.apply(this, (argv[0] = s, argv)), +y$$1.apply(this, argv), +x$$1.apply(this, (argv[0] = t, argv)), +y$$1.apply(this, argv)); + curve(context, +x.apply(this, (argv[0] = s, argv)), +y.apply(this, argv), +x.apply(this, (argv[0] = t, argv)), +y.apply(this, argv)); if (buffer) return context = null, buffer + "" || null; } @@ -15119,11 +15390,11 @@ function link$2(curve) { }; link.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$b(+_), link) : x$$1; + return arguments.length ? (x = typeof _ === "function" ? _ : constant$b(+_), link) : x; }; link.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$b(+_), link) : y$$1; + return arguments.length ? (y = typeof _ === "function" ? _ : constant$b(+_), link) : y; }; link.context = function(_) { @@ -15623,15 +15894,15 @@ CardinalClosed.prototype = { var cardinalClosed = (function custom(tension) { - function cardinal$$1(context) { + function cardinal(context) { return new CardinalClosed(context, tension); } - cardinal$$1.tension = function(tension) { + cardinal.tension = function(tension) { return custom(+tension); }; - return cardinal$$1; + return cardinal; })(0); function CardinalOpen(context, tension) { @@ -15671,15 +15942,15 @@ CardinalOpen.prototype = { var cardinalOpen = (function custom(tension) { - function cardinal$$1(context) { + function cardinal(context) { return new CardinalOpen(context, tension); } - cardinal$$1.tension = function(tension) { + cardinal.tension = function(tension) { return custom(+tension); }; - return cardinal$$1; + return cardinal; })(0); function point$4(that, x, y) { @@ -15828,15 +16099,15 @@ CatmullRomClosed.prototype = { var catmullRomClosed = (function custom(alpha) { - function catmullRom$$1(context) { + function catmullRom(context) { return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); } - catmullRom$$1.alpha = function(alpha) { + catmullRom.alpha = function(alpha) { return custom(+alpha); }; - return catmullRom$$1; + return catmullRom; })(0.5); function CatmullRomOpen(context, alpha) { @@ -15888,15 +16159,15 @@ CatmullRomOpen.prototype = { var catmullRomOpen = (function custom(alpha) { - function catmullRom$$1(context) { + function catmullRom(context) { return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); } - catmullRom$$1.alpha = function(alpha) { + catmullRom.alpha = function(alpha) { return custom(+alpha); }; - return catmullRom$$1; + return catmullRom; })(0.5); function LinearClosed(context) { @@ -16227,15 +16498,15 @@ function expand(series, order) { } function diverging$1(series, order) { - if (!((n = series.length) > 1)) return; + if (!((n = series.length) > 0)) return; for (var i, j = 0, d, dy, yp, yn, n, m = series[order[0]].length; j < m; ++j) { for (yp = yn = 0, i = 0; i < n; ++i) { - if ((dy = (d = series[order[i]][j])[1] - d[0]) >= 0) { + if ((dy = (d = series[order[i]][j])[1] - d[0]) > 0) { d[0] = yp, d[1] = yp += dy; } else if (dy < 0) { d[1] = yn, d[0] = yn += dy; } else { - d[0] = yp; + d[0] = 0, d[1] = dy; } } } @@ -17271,13 +17542,13 @@ Diagram.prototype = { }; function voronoi() { - var x$$1 = x$4, - y$$1 = y$4, + var x = x$4, + y = y$4, extent = null; function voronoi(data) { return new Diagram(data.map(function(d, i) { - var s = [Math.round(x$$1(d, i, data) / epsilon$4) * epsilon$4, Math.round(y$$1(d, i, data) / epsilon$4) * epsilon$4]; + var s = [Math.round(x(d, i, data) / epsilon$4) * epsilon$4, Math.round(y(d, i, data) / epsilon$4) * epsilon$4]; s.index = i; s.data = d; return s; @@ -17297,11 +17568,11 @@ function voronoi() { }; voronoi.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$c(+_), voronoi) : x$$1; + return arguments.length ? (x = typeof _ === "function" ? _ : constant$c(+_), voronoi) : x; }; voronoi.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$c(+_), voronoi) : y$$1; + return arguments.length ? (y = typeof _ === "function" ? _ : constant$c(+_), voronoi) : y; }; voronoi.extent = function(_) { @@ -17375,7 +17646,8 @@ var identity$9 = new Transform(1, 0, 0); transform$1.prototype = Transform.prototype; function transform$1(node) { - return node.__zoom || identity$9; + while (!node.__zoom) if (!(node = node.parentNode)) return identity$9; + return node.__zoom; } function nopropagation$2() { @@ -17389,20 +17661,20 @@ function noevent$2() { // Ignore right-click, since that should open the context menu. function defaultFilter$2() { - return !exports.event.button; + return !exports.event.ctrlKey && !exports.event.button; } function defaultExtent$1() { - var e = this, w, h; + var e = this; if (e instanceof SVGElement) { e = e.ownerSVGElement || e; - w = e.width.baseVal.value; - h = e.height.baseVal.value; - } else { - w = e.clientWidth; - h = e.clientHeight; + if (e.hasAttribute("viewBox")) { + e = e.viewBox.baseVal; + return [[e.x, e.y], [e.x + e.width, e.y + e.height]]; + } + return [[0, 0], [e.width.baseVal.value, e.height.baseVal.value]]; } - return [[0, 0], [w, h]]; + return [[0, 0], [e.clientWidth, e.clientHeight]]; } function defaultTransform() { @@ -17410,11 +17682,11 @@ function defaultTransform() { } function defaultWheelDelta() { - return -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500; + return -exports.event.deltaY * (exports.event.deltaMode === 1 ? 0.05 : exports.event.deltaMode ? 1 : 0.002); } -function defaultTouchable$1() { - return "ontouchstart" in this; +function defaultTouchable$2() { + return navigator.maxTouchPoints || ("ontouchstart" in this); } function defaultConstrain(transform, extent, translateExtent) { @@ -17433,12 +17705,11 @@ function zoom() { extent = defaultExtent$1, constrain = defaultConstrain, wheelDelta = defaultWheelDelta, - touchable = defaultTouchable$1, + touchable = defaultTouchable$2, scaleExtent = [0, Infinity], translateExtent = [[-Infinity, -Infinity], [Infinity, Infinity]], duration = 250, interpolate = interpolateZoom, - gestures = [], listeners = dispatch("start", "zoom", "end"), touchstarting, touchending, @@ -17446,8 +17717,8 @@ function zoom() { wheelDelay = 150, clickDistance2 = 0; - function zoom(selection$$1) { - selection$$1 + function zoom(selection) { + selection .property("__zoom", defaultTransform) .on("wheel.zoom", wheeled) .on("mousedown.zoom", mousedowned) @@ -17460,13 +17731,13 @@ function zoom() { .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); } - zoom.transform = function(collection, transform) { - var selection$$1 = collection.selection ? collection.selection() : collection; - selection$$1.property("__zoom", defaultTransform); - if (collection !== selection$$1) { - schedule(collection, transform); + zoom.transform = function(collection, transform, point) { + var selection = collection.selection ? collection.selection() : collection; + selection.property("__zoom", defaultTransform); + if (collection !== selection) { + schedule(collection, transform, point); } else { - selection$$1.interrupt().each(function() { + selection.interrupt().each(function() { gesture(this, arguments) .start() .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) @@ -17475,27 +17746,27 @@ function zoom() { } }; - zoom.scaleBy = function(selection$$1, k) { - zoom.scaleTo(selection$$1, function() { + zoom.scaleBy = function(selection, k, p) { + zoom.scaleTo(selection, function() { var k0 = this.__zoom.k, k1 = typeof k === "function" ? k.apply(this, arguments) : k; return k0 * k1; - }); + }, p); }; - zoom.scaleTo = function(selection$$1, k) { - zoom.transform(selection$$1, function() { + zoom.scaleTo = function(selection, k, p) { + zoom.transform(selection, function() { var e = extent.apply(this, arguments), t0 = this.__zoom, - p0 = centroid(e), + p0 = p == null ? centroid(e) : typeof p === "function" ? p.apply(this, arguments) : p, p1 = t0.invert(p0), k1 = typeof k === "function" ? k.apply(this, arguments) : k; return constrain(translate(scale(t0, k1), p0, p1), e, translateExtent); - }); + }, p); }; - zoom.translateBy = function(selection$$1, x, y) { - zoom.transform(selection$$1, function() { + zoom.translateBy = function(selection, x, y) { + zoom.transform(selection, function() { return constrain(this.__zoom.translate( typeof x === "function" ? x.apply(this, arguments) : x, typeof y === "function" ? y.apply(this, arguments) : y @@ -17503,16 +17774,16 @@ function zoom() { }); }; - zoom.translateTo = function(selection$$1, x, y) { - zoom.transform(selection$$1, function() { + zoom.translateTo = function(selection, x, y, p) { + zoom.transform(selection, function() { var e = extent.apply(this, arguments), t = this.__zoom, - p = centroid(e); - return constrain(identity$9.translate(p[0], p[1]).scale(t.k).translate( + p0 = p == null ? centroid(e) : typeof p === "function" ? p.apply(this, arguments) : p; + return constrain(identity$9.translate(p0[0], p0[1]).scale(t.k).translate( typeof x === "function" ? -x.apply(this, arguments) : -x, typeof y === "function" ? -y.apply(this, arguments) : -y ), e, translateExtent); - }); + }, p); }; function scale(transform, k) { @@ -17529,8 +17800,8 @@ function zoom() { return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; } - function schedule(transition$$1, transform, center) { - transition$$1 + function schedule(transition, transform, point) { + transition .on("start.zoom", function() { gesture(this, arguments).start(); }) .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) .tween("zoom", function() { @@ -17538,7 +17809,7 @@ function zoom() { args = arguments, g = gesture(that, args), e = extent.apply(that, args), - p = center || centroid(e), + p = point == null ? centroid(e) : typeof point === "function" ? point.apply(that, args) : point, w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), a = that.__zoom, b = typeof transform === "function" ? transform.apply(that, args) : transform, @@ -17551,27 +17822,22 @@ function zoom() { }); } - function gesture(that, args) { - for (var i = 0, n = gestures.length, g; i < n; ++i) { - if ((g = gestures[i]).that === that) { - return g; - } - } - return new Gesture(that, args); + function gesture(that, args, clean) { + return (!clean && that.__zooming) || new Gesture(that, args); } function Gesture(that, args) { this.that = that; this.args = args; - this.index = -1; this.active = 0; this.extent = extent.apply(that, args); + this.taps = 0; } Gesture.prototype = { start: function() { if (++this.active === 1) { - this.index = gestures.push(this) - 1; + this.that.__zooming = this; this.emit("start"); } return this; @@ -17586,8 +17852,7 @@ function zoom() { }, end: function() { if (--this.active === 0) { - gestures.splice(this.index, 1); - this.index = -1; + delete this.that.__zooming; this.emit("end"); } return this; @@ -17635,7 +17900,7 @@ function zoom() { function mousedowned() { if (touchending || !filter.apply(this, arguments)) return; - var g = gesture(this, arguments), + var g = gesture(this, arguments, true), v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), p = mouse(this), x0 = exports.event.clientX, @@ -17679,46 +17944,39 @@ function zoom() { function touchstarted() { if (!filter.apply(this, arguments)) return; - var g = gesture(this, arguments), - touches$$1 = exports.event.changedTouches, - started, - n = touches$$1.length, i, t, p; + var touches = exports.event.touches, + n = touches.length, + g = gesture(this, arguments, exports.event.changedTouches.length === n), + started, i, t, p; nopropagation$2(); for (i = 0; i < n; ++i) { - t = touches$$1[i], p = touch(this, touches$$1, t.identifier); + t = touches[i], p = touch(this, touches, t.identifier); p = [p, this.__zoom.invert(p), t.identifier]; - if (!g.touch0) g.touch0 = p, started = true; - else if (!g.touch1) g.touch1 = p; + if (!g.touch0) g.touch0 = p, started = true, g.taps = 1 + !!touchstarting; + else if (!g.touch1 && g.touch0[2] !== p[2]) g.touch1 = p, g.taps = 0; } - // If this is a dbltap, reroute to the (optional) dblclick.zoom handler. - if (touchstarting) { - touchstarting = clearTimeout(touchstarting); - if (!g.touch1) { - g.end(); - p = select(this).on("dblclick.zoom"); - if (p) p.apply(this, arguments); - return; - } - } + if (touchstarting) touchstarting = clearTimeout(touchstarting); if (started) { - touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); + if (g.taps < 2) touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); interrupt(this); g.start(); } } function touchmoved() { + if (!this.__zooming) return; var g = gesture(this, arguments), - touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, t, p, l; + touches = exports.event.changedTouches, + n = touches.length, i, t, p, l; noevent$2(); if (touchstarting) touchstarting = clearTimeout(touchstarting); + g.taps = 0; for (i = 0; i < n; ++i) { - t = touches$$1[i], p = touch(this, touches$$1, t.identifier); + t = touches[i], p = touch(this, touches, t.identifier); if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; } @@ -17738,21 +17996,29 @@ function zoom() { } function touchended() { + if (!this.__zooming) return; var g = gesture(this, arguments), - touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, t; + touches = exports.event.changedTouches, + n = touches.length, i, t; nopropagation$2(); if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, touchDelay); for (i = 0; i < n; ++i) { - t = touches$$1[i]; + t = touches[i]; if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; } if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1; if (g.touch0) g.touch0[1] = this.__zoom.invert(g.touch0[0]); - else g.end(); + else { + g.end(); + // If this was a dbltap, reroute to the (optional) dblclick.zoom handler. + if (g.taps === 2) { + var p = select(this).on("dblclick.zoom"); + if (p) p.apply(this, arguments); + } + } } zoom.wheelDelta = function(_) { @@ -17803,128 +18069,111 @@ function zoom() { return zoom; } -exports.version = version; -exports.bisect = bisectRight; -exports.bisectRight = bisectRight; -exports.bisectLeft = bisectLeft; +exports.FormatSpecifier = FormatSpecifier; +exports.active = active; +exports.arc = arc; +exports.area = area$3; +exports.areaRadial = areaRadial; exports.ascending = ascending; -exports.bisector = bisector; -exports.cross = cross; -exports.descending = descending; -exports.deviation = deviation; -exports.extent = extent; -exports.histogram = histogram; -exports.thresholdFreedmanDiaconis = freedmanDiaconis; -exports.thresholdScott = scott; -exports.thresholdSturges = thresholdSturges; -exports.max = max; -exports.mean = mean; -exports.median = median; -exports.merge = merge; -exports.min = min; -exports.pairs = pairs; -exports.permute = permute; -exports.quantile = threshold; -exports.range = sequence; -exports.scan = scan; -exports.shuffle = shuffle; -exports.sum = sum; -exports.ticks = ticks; -exports.tickIncrement = tickIncrement; -exports.tickStep = tickStep; -exports.transpose = transpose; -exports.variance = variance; -exports.zip = zip; -exports.axisTop = axisTop; -exports.axisRight = axisRight; +exports.autoType = autoType; exports.axisBottom = axisBottom; exports.axisLeft = axisLeft; +exports.axisRight = axisRight; +exports.axisTop = axisTop; +exports.bisect = bisectRight; +exports.bisectLeft = bisectLeft; +exports.bisectRight = bisectRight; +exports.bisector = bisector; +exports.blob = blob; exports.brush = brush; +exports.brushSelection = brushSelection; exports.brushX = brushX; exports.brushY = brushY; -exports.brushSelection = brushSelection; +exports.buffer = buffer; exports.chord = chord; -exports.ribbon = ribbon; -exports.nest = nest; -exports.set = set$2; -exports.map = map$1; -exports.keys = keys; -exports.values = values; -exports.entries = entries; +exports.clientPoint = point; +exports.cluster = cluster; exports.color = color; -exports.rgb = rgb; -exports.hsl = hsl; -exports.lab = lab; -exports.hcl = hcl; -exports.lch = lch; -exports.gray = gray; -exports.cubehelix = cubehelix; -exports.contours = contours; exports.contourDensity = density; +exports.contours = contours; +exports.create = create; +exports.creator = creator; +exports.cross = cross; +exports.csv = csv$1; +exports.csvFormat = csvFormat; +exports.csvFormatBody = csvFormatBody; +exports.csvFormatRow = csvFormatRow; +exports.csvFormatRows = csvFormatRows; +exports.csvFormatValue = csvFormatValue; +exports.csvParse = csvParse; +exports.csvParseRows = csvParseRows; +exports.cubehelix = cubehelix; +exports.curveBasis = basis$2; +exports.curveBasisClosed = basisClosed$1; +exports.curveBasisOpen = basisOpen; +exports.curveBundle = bundle; +exports.curveCardinal = cardinal; +exports.curveCardinalClosed = cardinalClosed; +exports.curveCardinalOpen = cardinalOpen; +exports.curveCatmullRom = catmullRom; +exports.curveCatmullRomClosed = catmullRomClosed; +exports.curveCatmullRomOpen = catmullRomOpen; +exports.curveLinear = curveLinear; +exports.curveLinearClosed = linearClosed; +exports.curveMonotoneX = monotoneX; +exports.curveMonotoneY = monotoneY; +exports.curveNatural = natural; +exports.curveStep = step; +exports.curveStepAfter = stepAfter; +exports.curveStepBefore = stepBefore; +exports.customEvent = customEvent; +exports.descending = descending; +exports.deviation = deviation; exports.dispatch = dispatch; exports.drag = drag; exports.dragDisable = dragDisable; exports.dragEnable = yesdrag; +exports.dsv = dsv; exports.dsvFormat = dsvFormat; -exports.csvParse = csvParse; -exports.csvParseRows = csvParseRows; -exports.csvFormat = csvFormat; -exports.csvFormatBody = csvFormatBody; -exports.csvFormatRows = csvFormatRows; -exports.tsvParse = tsvParse; -exports.tsvParseRows = tsvParseRows; -exports.tsvFormat = tsvFormat; -exports.tsvFormatBody = tsvFormatBody; -exports.tsvFormatRows = tsvFormatRows; -exports.autoType = autoType; -exports.easeLinear = linear$1; -exports.easeQuad = quadInOut; -exports.easeQuadIn = quadIn; -exports.easeQuadOut = quadOut; -exports.easeQuadInOut = quadInOut; +exports.easeBack = backInOut; +exports.easeBackIn = backIn; +exports.easeBackInOut = backInOut; +exports.easeBackOut = backOut; +exports.easeBounce = bounceOut; +exports.easeBounceIn = bounceIn; +exports.easeBounceInOut = bounceInOut; +exports.easeBounceOut = bounceOut; +exports.easeCircle = circleInOut; +exports.easeCircleIn = circleIn; +exports.easeCircleInOut = circleInOut; +exports.easeCircleOut = circleOut; exports.easeCubic = cubicInOut; exports.easeCubicIn = cubicIn; -exports.easeCubicOut = cubicOut; exports.easeCubicInOut = cubicInOut; +exports.easeCubicOut = cubicOut; +exports.easeElastic = elasticOut; +exports.easeElasticIn = elasticIn; +exports.easeElasticInOut = elasticInOut; +exports.easeElasticOut = elasticOut; +exports.easeExp = expInOut; +exports.easeExpIn = expIn; +exports.easeExpInOut = expInOut; +exports.easeExpOut = expOut; +exports.easeLinear = linear$1; exports.easePoly = polyInOut; exports.easePolyIn = polyIn; -exports.easePolyOut = polyOut; exports.easePolyInOut = polyInOut; +exports.easePolyOut = polyOut; +exports.easeQuad = quadInOut; +exports.easeQuadIn = quadIn; +exports.easeQuadInOut = quadInOut; +exports.easeQuadOut = quadOut; exports.easeSin = sinInOut; exports.easeSinIn = sinIn; -exports.easeSinOut = sinOut; exports.easeSinInOut = sinInOut; -exports.easeExp = expInOut; -exports.easeExpIn = expIn; -exports.easeExpOut = expOut; -exports.easeExpInOut = expInOut; -exports.easeCircle = circleInOut; -exports.easeCircleIn = circleIn; -exports.easeCircleOut = circleOut; -exports.easeCircleInOut = circleInOut; -exports.easeBounce = bounceOut; -exports.easeBounceIn = bounceIn; -exports.easeBounceOut = bounceOut; -exports.easeBounceInOut = bounceInOut; -exports.easeBack = backInOut; -exports.easeBackIn = backIn; -exports.easeBackOut = backOut; -exports.easeBackInOut = backInOut; -exports.easeElastic = elasticOut; -exports.easeElasticIn = elasticIn; -exports.easeElasticOut = elasticOut; -exports.easeElasticInOut = elasticInOut; -exports.blob = blob; -exports.buffer = buffer; -exports.dsv = dsv; -exports.csv = csv$1; -exports.tsv = tsv$1; -exports.image = image; -exports.json = json; -exports.text = text; -exports.xml = xml; -exports.html = html; -exports.svg = svg; +exports.easeSinOut = sinOut; +exports.entries = entries; +exports.extent = extent; exports.forceCenter = center$1; exports.forceCollide = collide; exports.forceLink = link; @@ -17936,10 +18185,13 @@ exports.forceY = y$2; exports.formatDefaultLocale = defaultLocale; exports.formatLocale = formatLocale; exports.formatSpecifier = formatSpecifier; -exports.precisionFixed = precisionFixed; -exports.precisionPrefix = precisionPrefix; -exports.precisionRound = precisionRound; +exports.geoAlbers = albers; +exports.geoAlbersUsa = albersUsa; exports.geoArea = area$1; +exports.geoAzimuthalEqualArea = azimuthalEqualArea; +exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw; +exports.geoAzimuthalEquidistant = azimuthalEquidistant; +exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; exports.geoBounds = bounds; exports.geoCentroid = centroid; exports.geoCircle = circle; @@ -17947,260 +18199,243 @@ exports.geoClipAntimeridian = clipAntimeridian; exports.geoClipCircle = clipCircle; exports.geoClipExtent = extent$1; exports.geoClipRectangle = clipRectangle; -exports.geoContains = contains$1; -exports.geoDistance = distance; -exports.geoGraticule = graticule; -exports.geoGraticule10 = graticule10; -exports.geoInterpolate = interpolate$1; -exports.geoLength = length$1; -exports.geoPath = index$1; -exports.geoAlbers = albers; -exports.geoAlbersUsa = albersUsa; -exports.geoAzimuthalEqualArea = azimuthalEqualArea; -exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw; -exports.geoAzimuthalEquidistant = azimuthalEquidistant; -exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; exports.geoConicConformal = conicConformal; exports.geoConicConformalRaw = conicConformalRaw; exports.geoConicEqualArea = conicEqualArea; exports.geoConicEqualAreaRaw = conicEqualAreaRaw; exports.geoConicEquidistant = conicEquidistant; exports.geoConicEquidistantRaw = conicEquidistantRaw; +exports.geoContains = contains$1; +exports.geoDistance = distance; exports.geoEqualEarth = equalEarth; exports.geoEqualEarthRaw = equalEarthRaw; exports.geoEquirectangular = equirectangular; exports.geoEquirectangularRaw = equirectangularRaw; exports.geoGnomonic = gnomonic; exports.geoGnomonicRaw = gnomonicRaw; +exports.geoGraticule = graticule; +exports.geoGraticule10 = graticule10; exports.geoIdentity = identity$5; -exports.geoProjection = projection; -exports.geoProjectionMutator = projectionMutator; +exports.geoInterpolate = interpolate$1; +exports.geoLength = length$1; exports.geoMercator = mercator; exports.geoMercatorRaw = mercatorRaw; exports.geoNaturalEarth1 = naturalEarth1; exports.geoNaturalEarth1Raw = naturalEarth1Raw; exports.geoOrthographic = orthographic; exports.geoOrthographicRaw = orthographicRaw; +exports.geoPath = index$1; +exports.geoProjection = projection; +exports.geoProjectionMutator = projectionMutator; +exports.geoRotation = rotation; exports.geoStereographic = stereographic; exports.geoStereographicRaw = stereographicRaw; -exports.geoTransverseMercator = transverseMercator; -exports.geoTransverseMercatorRaw = transverseMercatorRaw; -exports.geoRotation = rotation; exports.geoStream = geoStream; exports.geoTransform = transform; -exports.cluster = cluster; +exports.geoTransverseMercator = transverseMercator; +exports.geoTransverseMercatorRaw = transverseMercatorRaw; +exports.gray = gray; +exports.hcl = hcl; exports.hierarchy = hierarchy; -exports.pack = index$2; -exports.packSiblings = siblings; -exports.packEnclose = enclose; -exports.partition = partition; -exports.stratify = stratify; -exports.tree = tree; -exports.treemap = index$3; -exports.treemapBinary = binary; -exports.treemapDice = treemapDice; -exports.treemapSlice = treemapSlice; -exports.treemapSliceDice = sliceDice; -exports.treemapSquarify = squarify; -exports.treemapResquarify = resquarify; +exports.histogram = histogram; +exports.hsl = hsl; +exports.html = html; +exports.image = image; exports.interpolate = interpolateValue; exports.interpolateArray = array$1; exports.interpolateBasis = basis$1; exports.interpolateBasisClosed = basisClosed; +exports.interpolateBlues = Blues; +exports.interpolateBrBG = BrBG; +exports.interpolateBuGn = BuGn; +exports.interpolateBuPu = BuPu; +exports.interpolateCividis = cividis; +exports.interpolateCool = cool; +exports.interpolateCubehelix = cubehelix$2; +exports.interpolateCubehelixDefault = cubehelix$3; +exports.interpolateCubehelixLong = cubehelixLong; exports.interpolateDate = date; exports.interpolateDiscrete = discrete; +exports.interpolateGnBu = GnBu; +exports.interpolateGreens = Greens; +exports.interpolateGreys = Greys; +exports.interpolateHcl = hcl$2; +exports.interpolateHclLong = hclLong; +exports.interpolateHsl = hsl$2; +exports.interpolateHslLong = hslLong; exports.interpolateHue = hue$1; +exports.interpolateInferno = inferno; +exports.interpolateLab = lab$1; +exports.interpolateMagma = magma; exports.interpolateNumber = interpolateNumber; +exports.interpolateNumberArray = numberArray; exports.interpolateObject = object; +exports.interpolateOrRd = OrRd; +exports.interpolateOranges = Oranges; +exports.interpolatePRGn = PRGn; +exports.interpolatePiYG = PiYG; +exports.interpolatePlasma = plasma; +exports.interpolatePuBu = PuBu; +exports.interpolatePuBuGn = PuBuGn; +exports.interpolatePuOr = PuOr; +exports.interpolatePuRd = PuRd; +exports.interpolatePurples = Purples; +exports.interpolateRainbow = rainbow; +exports.interpolateRdBu = RdBu; +exports.interpolateRdGy = RdGy; +exports.interpolateRdPu = RdPu; +exports.interpolateRdYlBu = RdYlBu; +exports.interpolateRdYlGn = RdYlGn; +exports.interpolateReds = Reds; +exports.interpolateRgb = interpolateRgb; +exports.interpolateRgbBasis = rgbBasis; +exports.interpolateRgbBasisClosed = rgbBasisClosed; exports.interpolateRound = interpolateRound; +exports.interpolateSinebow = sinebow; +exports.interpolateSpectral = Spectral; exports.interpolateString = interpolateString; exports.interpolateTransformCss = interpolateTransformCss; exports.interpolateTransformSvg = interpolateTransformSvg; +exports.interpolateTurbo = turbo; +exports.interpolateViridis = viridis; +exports.interpolateWarm = warm; +exports.interpolateYlGn = YlGn; +exports.interpolateYlGnBu = YlGnBu; +exports.interpolateYlOrBr = YlOrBr; +exports.interpolateYlOrRd = YlOrRd; exports.interpolateZoom = interpolateZoom; -exports.interpolateRgb = interpolateRgb; -exports.interpolateRgbBasis = rgbBasis; -exports.interpolateRgbBasisClosed = rgbBasisClosed; -exports.interpolateHsl = hsl$2; -exports.interpolateHslLong = hslLong; -exports.interpolateLab = lab$1; -exports.interpolateHcl = hcl$2; -exports.interpolateHclLong = hclLong; -exports.interpolateCubehelix = cubehelix$2; -exports.interpolateCubehelixLong = cubehelixLong; -exports.piecewise = piecewise; -exports.quantize = quantize; -exports.path = path; -exports.polygonArea = area$2; -exports.polygonCentroid = centroid$1; -exports.polygonHull = hull; -exports.polygonContains = contains$2; -exports.polygonLength = length$2; -exports.quadtree = quadtree; -exports.randomUniform = uniform; -exports.randomNormal = normal; -exports.randomLogNormal = logNormal; +exports.interrupt = interrupt; +exports.interval = interval$1; +exports.isoFormat = formatIso; +exports.isoParse = parseIso; +exports.json = json; +exports.keys = keys; +exports.lab = lab; +exports.lch = lch; +exports.line = line; +exports.lineRadial = lineRadial$1; +exports.linkHorizontal = linkHorizontal; +exports.linkRadial = linkRadial; +exports.linkVertical = linkVertical; +exports.local = local; +exports.map = map$1; +exports.matcher = matcher; +exports.max = max; +exports.mean = mean; +exports.median = median; +exports.merge = merge; +exports.min = min; +exports.mouse = mouse; +exports.namespace = namespace; +exports.namespaces = namespaces; +exports.nest = nest; +exports.now = now; +exports.pack = index$2; +exports.packEnclose = enclose; +exports.packSiblings = siblings; +exports.pairs = pairs; +exports.partition = partition; +exports.path = path; +exports.permute = permute; +exports.pie = pie; +exports.piecewise = piecewise; +exports.pointRadial = pointRadial; +exports.polygonArea = area$2; +exports.polygonCentroid = centroid$1; +exports.polygonContains = contains$2; +exports.polygonHull = hull; +exports.polygonLength = length$2; +exports.precisionFixed = precisionFixed; +exports.precisionPrefix = precisionPrefix; +exports.precisionRound = precisionRound; +exports.quadtree = quadtree; +exports.quantile = threshold; +exports.quantize = quantize; +exports.radialArea = areaRadial; +exports.radialLine = lineRadial$1; exports.randomBates = bates; -exports.randomIrwinHall = irwinHall; exports.randomExponential = exponential$1; +exports.randomIrwinHall = irwinHall; +exports.randomLogNormal = logNormal; +exports.randomNormal = normal; +exports.randomUniform = uniform; +exports.range = sequence; +exports.rgb = rgb; +exports.ribbon = ribbon; exports.scaleBand = band; -exports.scalePoint = point$1; +exports.scaleDiverging = diverging; +exports.scaleDivergingLog = divergingLog; +exports.scaleDivergingPow = divergingPow; +exports.scaleDivergingSqrt = divergingSqrt; +exports.scaleDivergingSymlog = divergingSymlog; exports.scaleIdentity = identity$7; +exports.scaleImplicit = implicit; exports.scaleLinear = linear$2; exports.scaleLog = log$1; -exports.scaleSymlog = symlog; exports.scaleOrdinal = ordinal; -exports.scaleImplicit = implicit; +exports.scalePoint = point$1; exports.scalePow = pow$1; -exports.scaleSqrt = sqrt$1; -exports.scaleQuantile = quantile$$1; +exports.scaleQuantile = quantile; exports.scaleQuantize = quantize$1; -exports.scaleThreshold = threshold$1; -exports.scaleTime = time; -exports.scaleUtc = utcTime; exports.scaleSequential = sequential; exports.scaleSequentialLog = sequentialLog; exports.scaleSequentialPow = sequentialPow; +exports.scaleSequentialQuantile = sequentialQuantile; exports.scaleSequentialSqrt = sequentialSqrt; exports.scaleSequentialSymlog = sequentialSymlog; -exports.scaleSequentialQuantile = sequentialQuantile; -exports.scaleDiverging = diverging; -exports.scaleDivergingLog = divergingLog; -exports.scaleDivergingPow = divergingPow; -exports.scaleDivergingSqrt = divergingSqrt; -exports.scaleDivergingSymlog = divergingSymlog; -exports.tickFormat = tickFormat; -exports.schemeCategory10 = category10; +exports.scaleSqrt = sqrt$1; +exports.scaleSymlog = symlog; +exports.scaleThreshold = threshold$1; +exports.scaleTime = time; +exports.scaleUtc = utcTime; +exports.scan = scan; exports.schemeAccent = Accent; +exports.schemeBlues = scheme$l; +exports.schemeBrBG = scheme; +exports.schemeBuGn = scheme$9; +exports.schemeBuPu = scheme$a; +exports.schemeCategory10 = category10; exports.schemeDark2 = Dark2; +exports.schemeGnBu = scheme$b; +exports.schemeGreens = scheme$m; +exports.schemeGreys = scheme$n; +exports.schemeOrRd = scheme$c; +exports.schemeOranges = scheme$q; +exports.schemePRGn = scheme$1; exports.schemePaired = Paired; exports.schemePastel1 = Pastel1; exports.schemePastel2 = Pastel2; -exports.schemeSet1 = Set1; -exports.schemeSet2 = Set2; -exports.schemeSet3 = Set3; -exports.interpolateBrBG = BrBG; -exports.schemeBrBG = scheme; -exports.interpolatePRGn = PRGn; -exports.schemePRGn = scheme$1; -exports.interpolatePiYG = PiYG; exports.schemePiYG = scheme$2; -exports.interpolatePuOr = PuOr; +exports.schemePuBu = scheme$e; +exports.schemePuBuGn = scheme$d; exports.schemePuOr = scheme$3; -exports.interpolateRdBu = RdBu; +exports.schemePuRd = scheme$f; +exports.schemePurples = scheme$o; exports.schemeRdBu = scheme$4; -exports.interpolateRdGy = RdGy; exports.schemeRdGy = scheme$5; -exports.interpolateRdYlBu = RdYlBu; +exports.schemeRdPu = scheme$g; exports.schemeRdYlBu = scheme$6; -exports.interpolateRdYlGn = RdYlGn; exports.schemeRdYlGn = scheme$7; -exports.interpolateSpectral = Spectral; +exports.schemeReds = scheme$p; +exports.schemeSet1 = Set1; +exports.schemeSet2 = Set2; +exports.schemeSet3 = Set3; exports.schemeSpectral = scheme$8; -exports.interpolateBuGn = BuGn; -exports.schemeBuGn = scheme$9; -exports.interpolateBuPu = BuPu; -exports.schemeBuPu = scheme$a; -exports.interpolateGnBu = GnBu; -exports.schemeGnBu = scheme$b; -exports.interpolateOrRd = OrRd; -exports.schemeOrRd = scheme$c; -exports.interpolatePuBuGn = PuBuGn; -exports.schemePuBuGn = scheme$d; -exports.interpolatePuBu = PuBu; -exports.schemePuBu = scheme$e; -exports.interpolatePuRd = PuRd; -exports.schemePuRd = scheme$f; -exports.interpolateRdPu = RdPu; -exports.schemeRdPu = scheme$g; -exports.interpolateYlGnBu = YlGnBu; -exports.schemeYlGnBu = scheme$h; -exports.interpolateYlGn = YlGn; +exports.schemeTableau10 = Tableau10; exports.schemeYlGn = scheme$i; -exports.interpolateYlOrBr = YlOrBr; +exports.schemeYlGnBu = scheme$h; exports.schemeYlOrBr = scheme$j; -exports.interpolateYlOrRd = YlOrRd; exports.schemeYlOrRd = scheme$k; -exports.interpolateBlues = Blues; -exports.schemeBlues = scheme$l; -exports.interpolateGreens = Greens; -exports.schemeGreens = scheme$m; -exports.interpolateGreys = Greys; -exports.schemeGreys = scheme$n; -exports.interpolatePurples = Purples; -exports.schemePurples = scheme$o; -exports.interpolateReds = Reds; -exports.schemeReds = scheme$p; -exports.interpolateOranges = Oranges; -exports.schemeOranges = scheme$q; -exports.interpolateCubehelixDefault = cubehelix$3; -exports.interpolateRainbow = rainbow; -exports.interpolateWarm = warm; -exports.interpolateCool = cool; -exports.interpolateSinebow = sinebow; -exports.interpolateViridis = viridis; -exports.interpolateMagma = magma; -exports.interpolateInferno = inferno; -exports.interpolatePlasma = plasma; -exports.create = create; -exports.creator = creator; -exports.local = local; -exports.matcher = matcher; -exports.mouse = mouse; -exports.namespace = namespace; -exports.namespaces = namespaces; -exports.clientPoint = point; exports.select = select; exports.selectAll = selectAll; exports.selection = selection; exports.selector = selector; exports.selectorAll = selectorAll; -exports.style = styleValue; -exports.touch = touch; -exports.touches = touches; -exports.window = defaultView; -exports.customEvent = customEvent; -exports.arc = arc; -exports.area = area$3; -exports.line = line; -exports.pie = pie; -exports.areaRadial = areaRadial; -exports.radialArea = areaRadial; -exports.lineRadial = lineRadial$1; -exports.radialLine = lineRadial$1; -exports.pointRadial = pointRadial; -exports.linkHorizontal = linkHorizontal; -exports.linkVertical = linkVertical; -exports.linkRadial = linkRadial; -exports.symbol = symbol; -exports.symbols = symbols; -exports.symbolCircle = circle$2; -exports.symbolCross = cross$2; -exports.symbolDiamond = diamond; -exports.symbolSquare = square; -exports.symbolStar = star; -exports.symbolTriangle = triangle; -exports.symbolWye = wye; -exports.curveBasisClosed = basisClosed$1; -exports.curveBasisOpen = basisOpen; -exports.curveBasis = basis$2; -exports.curveBundle = bundle; -exports.curveCardinalClosed = cardinalClosed; -exports.curveCardinalOpen = cardinalOpen; -exports.curveCardinal = cardinal; -exports.curveCatmullRomClosed = catmullRomClosed; -exports.curveCatmullRomOpen = catmullRomOpen; -exports.curveCatmullRom = catmullRom; -exports.curveLinearClosed = linearClosed; -exports.curveLinear = curveLinear; -exports.curveMonotoneX = monotoneX; -exports.curveMonotoneY = monotoneY; -exports.curveNatural = natural; -exports.curveStep = step; -exports.curveStepAfter = stepAfter; -exports.curveStepBefore = stepBefore; +exports.set = set$2; +exports.shuffle = shuffle; exports.stack = stack; -exports.stackOffsetExpand = expand; exports.stackOffsetDiverging = diverging$1; +exports.stackOffsetExpand = expand; exports.stackOffsetNone = none$1; exports.stackOffsetSilhouette = silhouette; exports.stackOffsetWiggle = wiggle; @@ -18210,84 +18445,124 @@ exports.stackOrderDescending = descending$2; exports.stackOrderInsideOut = insideOut; exports.stackOrderNone = none$2; exports.stackOrderReverse = reverse; +exports.stratify = stratify; +exports.style = styleValue; +exports.sum = sum; +exports.svg = svg; +exports.symbol = symbol; +exports.symbolCircle = circle$2; +exports.symbolCross = cross$2; +exports.symbolDiamond = diamond; +exports.symbolSquare = square; +exports.symbolStar = star; +exports.symbolTriangle = triangle; +exports.symbolWye = wye; +exports.symbols = symbols; +exports.text = text; +exports.thresholdFreedmanDiaconis = freedmanDiaconis; +exports.thresholdScott = scott; +exports.thresholdSturges = thresholdSturges; +exports.tickFormat = tickFormat; +exports.tickIncrement = tickIncrement; +exports.tickStep = tickStep; +exports.ticks = ticks; +exports.timeDay = day; +exports.timeDays = days; +exports.timeFormatDefaultLocale = defaultLocale$1; +exports.timeFormatLocale = formatLocale$1; +exports.timeFriday = friday; +exports.timeFridays = fridays; +exports.timeHour = hour; +exports.timeHours = hours; exports.timeInterval = newInterval; exports.timeMillisecond = millisecond; exports.timeMilliseconds = milliseconds; -exports.utcMillisecond = millisecond; -exports.utcMilliseconds = milliseconds; -exports.timeSecond = second; -exports.timeSeconds = seconds; -exports.utcSecond = second; -exports.utcSeconds = seconds; exports.timeMinute = minute; exports.timeMinutes = minutes; -exports.timeHour = hour; -exports.timeHours = hours; -exports.timeDay = day; -exports.timeDays = days; -exports.timeWeek = sunday; -exports.timeWeeks = sundays; -exports.timeSunday = sunday; -exports.timeSundays = sundays; exports.timeMonday = monday; exports.timeMondays = mondays; +exports.timeMonth = month; +exports.timeMonths = months; +exports.timeSaturday = saturday; +exports.timeSaturdays = saturdays; +exports.timeSecond = second; +exports.timeSeconds = seconds; +exports.timeSunday = sunday; +exports.timeSundays = sundays; +exports.timeThursday = thursday; +exports.timeThursdays = thursdays; exports.timeTuesday = tuesday; exports.timeTuesdays = tuesdays; exports.timeWednesday = wednesday; exports.timeWednesdays = wednesdays; -exports.timeThursday = thursday; -exports.timeThursdays = thursdays; -exports.timeFriday = friday; -exports.timeFridays = fridays; -exports.timeSaturday = saturday; -exports.timeSaturdays = saturdays; -exports.timeMonth = month; -exports.timeMonths = months; +exports.timeWeek = sunday; +exports.timeWeeks = sundays; exports.timeYear = year; exports.timeYears = years; -exports.utcMinute = utcMinute; -exports.utcMinutes = utcMinutes; -exports.utcHour = utcHour; -exports.utcHours = utcHours; +exports.timeout = timeout$1; +exports.timer = timer; +exports.timerFlush = timerFlush; +exports.touch = touch; +exports.touches = touches; +exports.transition = transition; +exports.transpose = transpose; +exports.tree = tree; +exports.treemap = index$3; +exports.treemapBinary = binary; +exports.treemapDice = treemapDice; +exports.treemapResquarify = resquarify; +exports.treemapSlice = treemapSlice; +exports.treemapSliceDice = sliceDice; +exports.treemapSquarify = squarify; +exports.tsv = tsv$1; +exports.tsvFormat = tsvFormat; +exports.tsvFormatBody = tsvFormatBody; +exports.tsvFormatRow = tsvFormatRow; +exports.tsvFormatRows = tsvFormatRows; +exports.tsvFormatValue = tsvFormatValue; +exports.tsvParse = tsvParse; +exports.tsvParseRows = tsvParseRows; exports.utcDay = utcDay; exports.utcDays = utcDays; -exports.utcWeek = utcSunday; -exports.utcWeeks = utcSundays; -exports.utcSunday = utcSunday; -exports.utcSundays = utcSundays; +exports.utcFriday = utcFriday; +exports.utcFridays = utcFridays; +exports.utcHour = utcHour; +exports.utcHours = utcHours; +exports.utcMillisecond = millisecond; +exports.utcMilliseconds = milliseconds; +exports.utcMinute = utcMinute; +exports.utcMinutes = utcMinutes; exports.utcMonday = utcMonday; exports.utcMondays = utcMondays; +exports.utcMonth = utcMonth; +exports.utcMonths = utcMonths; +exports.utcSaturday = utcSaturday; +exports.utcSaturdays = utcSaturdays; +exports.utcSecond = second; +exports.utcSeconds = seconds; +exports.utcSunday = utcSunday; +exports.utcSundays = utcSundays; +exports.utcThursday = utcThursday; +exports.utcThursdays = utcThursdays; exports.utcTuesday = utcTuesday; exports.utcTuesdays = utcTuesdays; exports.utcWednesday = utcWednesday; exports.utcWednesdays = utcWednesdays; -exports.utcThursday = utcThursday; -exports.utcThursdays = utcThursdays; -exports.utcFriday = utcFriday; -exports.utcFridays = utcFridays; -exports.utcSaturday = utcSaturday; -exports.utcSaturdays = utcSaturdays; -exports.utcMonth = utcMonth; -exports.utcMonths = utcMonths; +exports.utcWeek = utcSunday; +exports.utcWeeks = utcSundays; exports.utcYear = utcYear; exports.utcYears = utcYears; -exports.timeFormatDefaultLocale = defaultLocale$1; -exports.timeFormatLocale = formatLocale$1; -exports.isoFormat = formatIso; -exports.isoParse = parseIso; -exports.now = now; -exports.timer = timer; -exports.timerFlush = timerFlush; -exports.timeout = timeout$1; -exports.interval = interval$1; -exports.transition = transition; -exports.active = active; -exports.interrupt = interrupt; +exports.values = values; +exports.variance = variance; +exports.version = version; 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selection_join(onenter, onupdate, onexit) { return enter && update ? enter.merge(update).order() : update; } -function selection_merge(selection$$1) { +function selection_merge(selection) { - for (var groups0 = this._groups, groups1 = selection$$1._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { if (node = group0[i] || group1[i]) { merge[i] = node; @@ -1478,11 +1478,13 @@ function selection_remove() { } function selection_cloneShallow() { - return this.parentNode.insertBefore(this.cloneNode(false), this.nextSibling); + var clone = this.cloneNode(false), parent = this.parentNode; + return parent ? parent.insertBefore(clone, this.nextSibling) : clone; } function selection_cloneDeep() { - return this.parentNode.insertBefore(this.cloneNode(true), this.nextSibling); + var clone = this.cloneNode(true), parent = this.parentNode; + return parent ? parent.insertBefore(clone, this.nextSibling) : clone; } function selection_clone(deep) { @@ -1785,9 +1787,9 @@ function noevent() { function dragDisable(view) { var root = view.document.documentElement, - selection$$1 = select(view).on("dragstart.drag", noevent, true); + selection = select(view).on("dragstart.drag", noevent, true); if ("onselectstart" in root) { - selection$$1.on("selectstart.drag", noevent, true); + selection.on("selectstart.drag", noevent, true); } else { root.__noselect = root.style.MozUserSelect; root.style.MozUserSelect = "none"; @@ -1796,13 +1798,13 @@ function dragDisable(view) { function yesdrag(view, noclick) { var root = view.document.documentElement, - selection$$1 = select(view).on("dragstart.drag", null); + selection = select(view).on("dragstart.drag", null); if (noclick) { - selection$$1.on("click.drag", noevent, true); - setTimeout(function() { selection$$1.on("click.drag", null); }, 0); + selection.on("click.drag", noevent, true); + setTimeout(function() { selection.on("click.drag", null); }, 0); } if ("onselectstart" in root) { - selection$$1.on("selectstart.drag", null); + selection.on("selectstart.drag", null); } else { root.style.MozUserSelect = root.__noselect; delete root.__noselect; @@ -1835,7 +1837,7 @@ DragEvent.prototype.on = function() { // Ignore right-click, since that should open the context menu. function defaultFilter() { - return !exports.event.button; + return !exports.event.ctrlKey && !exports.event.button; } function defaultContainer() { @@ -1847,7 +1849,7 @@ function defaultSubject(d) { } function defaultTouchable() { - return "ontouchstart" in this; + return navigator.maxTouchPoints || ("ontouchstart" in this); } function drag() { @@ -1864,8 +1866,8 @@ function drag() { touchending, clickDistance2 = 0; - function drag(selection$$1) { - selection$$1 + function drag(selection) { + selection .on("mousedown.drag", mousedowned) .filter(touchable) .on("touchstart.drag", touchstarted) @@ -1906,12 +1908,12 @@ function drag() { function touchstarted() { if (!filter.apply(this, arguments)) return; - var touches$$1 = exports.event.changedTouches, + var touches = exports.event.changedTouches, c = container.apply(this, arguments), - n = touches$$1.length, i, gesture; + n = touches.length, i, gesture; for (i = 0; i < n; ++i) { - if (gesture = beforestart(touches$$1[i].identifier, c, touch, this, arguments)) { + if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) { nopropagation(); gesture("start"); } @@ -1919,11 +1921,11 @@ function drag() { } function touchmoved() { - var touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, gesture; + var touches = exports.event.changedTouches, + n = touches.length, i, gesture; for (i = 0; i < n; ++i) { - if (gesture = gestures[touches$$1[i].identifier]) { + if (gesture = gestures[touches[i].identifier]) { noevent(); gesture("drag"); } @@ -1931,21 +1933,21 @@ function drag() { } function touchended() { - var touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, gesture; + var touches = exports.event.changedTouches, + n = touches.length, i, gesture; if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! for (i = 0; i < n; ++i) { - if (gesture = gestures[touches$$1[i].identifier]) { + if (gesture = gestures[touches[i].identifier]) { nopropagation(); gesture("end"); } } } - function beforestart(id, container, point$$1, that, args) { - var p = point$$1(container, id), s, dx, dy, + function beforestart(id, container, point, that, args) { + var p = point(container, id), s, dx, dy, sublisteners = listeners.copy(); if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { @@ -1960,7 +1962,7 @@ function drag() { switch (type) { case "start": gestures[id] = gesture, n = active++; break; case "end": delete gestures[id], --active; // nobreak - case "drag": p = point$$1(container, id), n = active; break; + case "drag": p = point(container, id), n = active; break; } customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); }; @@ -2013,8 +2015,7 @@ var brighter = 1 / darker; var reI = "\\s*([+-]?\\d+)\\s*", reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*", reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*", - reHex3 = /^#([0-9a-f]{3})$/, - reHex6 = /^#([0-9a-f]{6})$/, + reHex = /^#([0-9a-f]{3,8})$/, reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"), reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"), reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"), @@ -2174,29 +2175,46 @@ var named = { }; define(Color, color, { + copy: function(channels) { + return Object.assign(new this.constructor, this, channels); + }, displayable: function() { return this.rgb().displayable(); }, - hex: function() { - return this.rgb().hex(); - }, - toString: function() { - return this.rgb() + ""; - } + hex: color_formatHex, // Deprecated! Use color.formatHex. + formatHex: color_formatHex, + formatHsl: color_formatHsl, + formatRgb: color_formatRgb, + toString: color_formatRgb }); +function color_formatHex() { + return this.rgb().formatHex(); +} + +function color_formatHsl() { + return hslConvert(this).formatHsl(); +} + +function color_formatRgb() { + return this.rgb().formatRgb(); +} + function color(format) { - var m; + var m, l; format = (format + "").trim().toLowerCase(); - return (m = reHex3.exec(format)) ? (m = parseInt(m[1], 16), new Rgb((m >> 8 & 0xf) | (m >> 4 & 0x0f0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1)) // #f00 - : (m = reHex6.exec(format)) ? rgbn(parseInt(m[1], 16)) // #ff0000 + return (m = reHex.exec(format)) ? (l = m[1].length, m = parseInt(m[1], 16), l === 6 ? rgbn(m) // #ff0000 + : l === 3 ? new Rgb((m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1) // #f00 + : l === 8 ? rgba(m >> 24 & 0xff, m >> 16 & 0xff, m >> 8 & 0xff, (m & 0xff) / 0xff) // #ff000000 + : l === 4 ? rgba((m >> 12 & 0xf) | (m >> 8 & 0xf0), (m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), (((m & 0xf) << 4) | (m & 0xf)) / 0xff) // #f000 + : null) // invalid hex : (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0) : (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%) : (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1) : (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1) : (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%) : (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1) - : named.hasOwnProperty(format) ? rgbn(named[format]) + : named.hasOwnProperty(format) ? rgbn(named[format]) // eslint-disable-line no-prototype-builtins : format === "transparent" ? new Rgb(NaN, NaN, NaN, 0) : null; } @@ -2241,24 +2259,30 @@ define(Rgb, rgb, extend(Color, { return this; }, displayable: function() { - return (0 <= this.r && this.r <= 255) - && (0 <= this.g && this.g <= 255) - && (0 <= this.b && this.b <= 255) + return (-0.5 <= this.r && this.r < 255.5) + && (-0.5 <= this.g && this.g < 255.5) + && (-0.5 <= this.b && this.b < 255.5) && (0 <= this.opacity && this.opacity <= 1); }, - hex: function() { - return "#" + hex(this.r) + hex(this.g) + hex(this.b); - }, - toString: function() { - var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); - return (a === 1 ? "rgb(" : "rgba(") - + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.b) || 0)) - + (a === 1 ? ")" : ", " + a + ")"); - } + hex: rgb_formatHex, // Deprecated! Use color.formatHex. + formatHex: rgb_formatHex, + formatRgb: rgb_formatRgb, + toString: rgb_formatRgb })); +function rgb_formatHex() { + return "#" + hex(this.r) + hex(this.g) + hex(this.b); +} + +function rgb_formatRgb() { + var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); + return (a === 1 ? "rgb(" : "rgba(") + + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " + + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " + + Math.max(0, Math.min(255, Math.round(this.b) || 0)) + + (a === 1 ? ")" : ", " + a + ")"); +} + function hex(value) { value = Math.max(0, Math.min(255, Math.round(value) || 0)); return (value < 16 ? "0" : "") + value.toString(16); @@ -2334,6 +2358,14 @@ define(Hsl, hsl, extend(Color, { return (0 <= this.s && this.s <= 1 || isNaN(this.s)) && (0 <= this.l && this.l <= 1) && (0 <= this.opacity && this.opacity <= 1); + }, + formatHsl: function() { + var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); + return (a === 1 ? "hsl(" : "hsla(") + + (this.h || 0) + ", " + + (this.s || 0) * 100 + "%, " + + (this.l || 0) * 100 + "%" + + (a === 1 ? ")" : ", " + a + ")"); } })); @@ -2348,7 +2380,7 @@ function hsl2rgb(h, m1, m2) { var deg2rad = Math.PI / 180; var rad2deg = 180 / Math.PI; -// https://beta.observablehq.com/@mbostock/lab-and-rgb +// https://observablehq.com/@mbostock/lab-and-rgb var K = 18, Xn = 0.96422, Yn = 1, @@ -2360,11 +2392,7 @@ var K = 18, function labConvert(o) { if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); - if (o instanceof Hcl) { - if (isNaN(o.h)) return new Lab(o.l, 0, 0, o.opacity); - var h = o.h * deg2rad; - return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); - } + if (o instanceof Hcl) return hcl2lab(o); if (!(o instanceof Rgb)) o = rgbConvert(o); var r = rgb2lrgb(o.r), g = rgb2lrgb(o.g), @@ -2434,7 +2462,7 @@ function rgb2lrgb(x) { function hclConvert(o) { if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); if (!(o instanceof Lab)) o = labConvert(o); - if (o.a === 0 && o.b === 0) return new Hcl(NaN, 0, o.l, o.opacity); + if (o.a === 0 && o.b === 0) return new Hcl(NaN, 0 < o.l && o.l < 100 ? 0 : NaN, o.l, o.opacity); var h = Math.atan2(o.b, o.a) * rad2deg; return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); } @@ -2454,6 +2482,12 @@ function Hcl(h, c, l, opacity) { this.opacity = +opacity; } +function hcl2lab(o) { + if (isNaN(o.h)) return new Lab(o.l, 0, 0, o.opacity); + var h = o.h * deg2rad; + return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); +} + define(Hcl, hcl, extend(Color, { brighter: function(k) { return new Hcl(this.h, this.c, this.l + K * (k == null ? 1 : k), this.opacity); @@ -2462,7 +2496,7 @@ define(Hcl, hcl, extend(Color, { return new Hcl(this.h, this.c, this.l - K * (k == null ? 1 : k), this.opacity); }, rgb: function() { - return labConvert(this).rgb(); + return hcl2lab(this).rgb(); } })); @@ -2591,12 +2625,12 @@ function nogamma(a, b) { } var interpolateRgb = (function rgbGamma(y) { - var color$$1 = gamma(y); + var color = gamma(y); - function rgb$$1(start, end) { - var r = color$$1((start = rgb(start)).r, (end = rgb(end)).r), - g = color$$1(start.g, end.g), - b = color$$1(start.b, end.b), + function rgb$1(start, end) { + var r = color((start = rgb(start)).r, (end = rgb(end)).r), + g = color(start.g, end.g), + b = color(start.b, end.b), opacity = nogamma(start.opacity, end.opacity); return function(t) { start.r = r(t); @@ -2607,9 +2641,9 @@ var interpolateRgb = (function rgbGamma(y) { }; } - rgb$$1.gamma = rgbGamma; + rgb$1.gamma = rgbGamma; - return rgb$$1; + return rgb$1; })(1); function rgbSpline(spline) { @@ -2618,22 +2652,22 @@ function rgbSpline(spline) { r = new Array(n), g = new Array(n), b = new Array(n), - i, color$$1; + i, color; for (i = 0; i < n; ++i) { - color$$1 = rgb(colors[i]); - r[i] = color$$1.r || 0; - g[i] = color$$1.g || 0; - b[i] = color$$1.b || 0; + color = rgb(colors[i]); + r[i] = color.r || 0; + g[i] = color.g || 0; + b[i] = color.b || 0; } r = spline(r); g = spline(g); b = spline(b); - color$$1.opacity = 1; + color.opacity = 1; return function(t) { - color$$1.r = r(t); - color$$1.g = g(t); - color$$1.b = b(t); - return color$$1 + ""; + color.r = r(t); + color.g = g(t); + color.b = b(t); + return color + ""; }; }; } @@ -2641,7 +2675,26 @@ function rgbSpline(spline) { var rgbBasis = rgbSpline(basis$1); var rgbBasisClosed = rgbSpline(basisClosed); +function numberArray(a, b) { + if (!b) b = []; + var n = a ? Math.min(b.length, a.length) : 0, + c = b.slice(), + i; + return function(t) { + for (i = 0; i < n; ++i) c[i] = a[i] * (1 - t) + b[i] * t; + return c; + }; +} + +function isNumberArray(x) { + return ArrayBuffer.isView(x) && !(x instanceof DataView); +} + function array$1(a, b) { + return (isNumberArray(b) ? numberArray : genericArray)(a, b); +} + +function genericArray(a, b) { var nb = b ? b.length : 0, na = a ? Math.min(nb, a.length) : 0, x = new Array(na), @@ -2659,14 +2712,14 @@ function array$1(a, b) { function date(a, b) { var d = new Date; - return a = +a, b -= a, function(t) { - return d.setTime(a + b * t), d; + return a = +a, b = +b, function(t) { + return d.setTime(a * (1 - t) + b * t), d; }; } function interpolateNumber(a, b) { - return a = +a, b -= a, function(t) { - return a + b * t; + return a = +a, b = +b, function(t) { + return a * (1 - t) + b * t; }; } @@ -2762,7 +2815,8 @@ function interpolateValue(a, b) { : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) : b instanceof color ? interpolateRgb : b instanceof Date ? date - : Array.isArray(b) ? array$1 + : isNumberArray(b) ? numberArray + : Array.isArray(b) ? genericArray : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object : interpolateNumber)(a, b); } @@ -2783,8 +2837,8 @@ function hue$1(a, b) { } function interpolateRound(a, b) { - return a = +a, b -= a, function(t) { - return Math.round(a + b * t); + return a = +a, b = +b, function(t) { + return Math.round(a * (1 - t) + b * t); }; } @@ -2965,9 +3019,9 @@ function interpolateZoom(p0, p1) { return i; } -function hsl$1(hue$$1) { +function hsl$1(hue) { return function(start, end) { - var h = hue$$1((start = hsl(start)).h, (end = hsl(end)).h), + var h = hue((start = hsl(start)).h, (end = hsl(end)).h), s = nogamma(start.s, end.s), l = nogamma(start.l, end.l), opacity = nogamma(start.opacity, end.opacity); @@ -2998,9 +3052,9 @@ function lab$1(start, end) { }; } -function hcl$1(hue$$1) { +function hcl$1(hue) { return function(start, end) { - var h = hue$$1((start = hcl(start)).h, (end = hcl(end)).h), + var h = hue((start = hcl(start)).h, (end = hcl(end)).h), c = nogamma(start.c, end.c), l = nogamma(start.l, end.l), opacity = nogamma(start.opacity, end.opacity); @@ -3017,12 +3071,12 @@ function hcl$1(hue$$1) { var hcl$2 = hcl$1(hue); var hclLong = hcl$1(nogamma); -function cubehelix$1(hue$$1) { +function cubehelix$1(hue) { return (function cubehelixGamma(y) { y = +y; - function cubehelix$$1(start, end) { - var h = hue$$1((start = cubehelix(start)).h, (end = cubehelix(end)).h), + function cubehelix$1(start, end) { + var h = hue((start = cubehelix(start)).h, (end = cubehelix(end)).h), s = nogamma(start.s, end.s), l = nogamma(start.l, end.l), opacity = nogamma(start.opacity, end.opacity); @@ -3035,9 +3089,9 @@ function cubehelix$1(hue$$1) { }; } - cubehelix$$1.gamma = cubehelixGamma; + cubehelix$1.gamma = cubehelixGamma; - return cubehelix$$1; + return cubehelix$1; })(1); } @@ -3345,7 +3399,7 @@ function create$1(node, id, self) { function interrupt(node, name) { var schedules = node.__transition, - schedule$$1, + schedule, active, empty = true, i; @@ -3355,11 +3409,11 @@ function interrupt(node, name) { name = name == null ? null : name + ""; for (i in schedules) { - if ((schedule$$1 = schedules[i]).name !== name) { empty = false; continue; } - active = schedule$$1.state > STARTING && schedule$$1.state < ENDING; - schedule$$1.state = ENDED; - schedule$$1.timer.stop(); - schedule$$1.on.call(active ? "interrupt" : "cancel", node, node.__data__, schedule$$1.index, schedule$$1.group); + if ((schedule = schedules[i]).name !== name) { empty = false; continue; } + active = schedule.state > STARTING && schedule.state < ENDING; + schedule.state = ENDED; + schedule.timer.stop(); + schedule.on.call(active ? "interrupt" : "cancel", node, node.__data__, schedule.index, schedule.group); delete schedules[i]; } @@ -3375,8 +3429,8 @@ function selection_interrupt(name) { function tweenRemove(id, name) { var tween0, tween1; return function() { - var schedule$$1 = set$1(this, id), - tween = schedule$$1.tween; + var schedule = set$1(this, id), + tween = schedule.tween; // If this node shared tween with the previous node, // just assign the updated shared tween and we’re done! @@ -3392,7 +3446,7 @@ function tweenRemove(id, name) { } } - schedule$$1.tween = tween1; + schedule.tween = tween1; }; } @@ -3400,8 +3454,8 @@ function tweenFunction(id, name, value) { var tween0, tween1; if (typeof value !== "function") throw new Error; return function() { - var schedule$$1 = set$1(this, id), - tween = schedule$$1.tween; + var schedule = set$1(this, id), + tween = schedule.tween; // If this node shared tween with the previous node, // just assign the updated shared tween and we’re done! @@ -3417,7 +3471,7 @@ function tweenFunction(id, name, value) { if (i === n) tween1.push(t); } - schedule$$1.tween = tween1; + schedule.tween = tween1; }; } @@ -3443,8 +3497,8 @@ function tweenValue(transition, name, value) { var id = transition._id; transition.each(function() { - var schedule$$1 = set$1(this, id); - (schedule$$1.value || (schedule$$1.value = {}))[name] = value.apply(this, arguments); + var schedule = set$1(this, id); + (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); }); return function(node) { @@ -3472,7 +3526,7 @@ function attrRemoveNS$1(fullname) { }; } -function attrConstant$1(name, interpolate$$1, value1) { +function attrConstant$1(name, interpolate, value1) { var string00, string1 = value1 + "", interpolate0; @@ -3480,11 +3534,11 @@ function attrConstant$1(name, interpolate$$1, value1) { var string0 = this.getAttribute(name); return string0 === string1 ? null : string0 === string00 ? interpolate0 - : interpolate0 = interpolate$$1(string00 = string0, value1); + : interpolate0 = interpolate(string00 = string0, value1); }; } -function attrConstantNS$1(fullname, interpolate$$1, value1) { +function attrConstantNS$1(fullname, interpolate, value1) { var string00, string1 = value1 + "", interpolate0; @@ -3492,11 +3546,11 @@ function attrConstantNS$1(fullname, interpolate$$1, value1) { var string0 = this.getAttributeNS(fullname.space, fullname.local); return string0 === string1 ? null : string0 === string00 ? interpolate0 - : interpolate0 = interpolate$$1(string00 = string0, value1); + : interpolate0 = interpolate(string00 = string0, value1); }; } -function attrFunction$1(name, interpolate$$1, value) { +function attrFunction$1(name, interpolate, value) { var string00, string10, interpolate0; @@ -3507,11 +3561,11 @@ function attrFunction$1(name, interpolate$$1, value) { string1 = value1 + ""; return string0 === string1 ? null : string0 === string00 && string1 === string10 ? interpolate0 - : (string10 = string1, interpolate0 = interpolate$$1(string00 = string0, value1)); + : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1)); }; } -function attrFunctionNS$1(fullname, interpolate$$1, value) { +function attrFunctionNS$1(fullname, interpolate, value) { var string00, string10, interpolate0; @@ -3522,7 +3576,7 @@ function attrFunctionNS$1(fullname, interpolate$$1, value) { string1 = value1 + ""; return string0 === string1 ? null : string0 === string00 && string1 === string10 ? interpolate0 - : (string10 = string1, interpolate0 = interpolate$$1(string00 = string0, value1)); + : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1)); }; } @@ -3536,13 +3590,13 @@ function transition_attr(name, value) { function attrInterpolate(name, i) { return function(t) { - this.setAttribute(name, i(t)); + this.setAttribute(name, i.call(this, t)); }; } function attrInterpolateNS(fullname, i) { return function(t) { - this.setAttributeNS(fullname.space, fullname.local, i(t)); + this.setAttributeNS(fullname.space, fullname.local, i.call(this, t)); }; } @@ -3650,10 +3704,10 @@ function transition_filter(match) { return new Transition(subgroups, this._parents, this._name, this._id); } -function transition_merge(transition$$1) { - if (transition$$1._id !== this._id) throw new Error; +function transition_merge(transition) { + if (transition._id !== this._id) throw new Error; - for (var groups0 = this._groups, groups1 = transition$$1._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { if (node = group0[i] || group1[i]) { merge[i] = node; @@ -3679,15 +3733,15 @@ function start(name) { function onFunction(id, name, listener) { var on0, on1, sit = start(name) ? init : set$1; return function() { - var schedule$$1 = sit(this, id), - on = schedule$$1.on; + var schedule = sit(this, id), + on = schedule.on; // If this node shared a dispatch with the previous node, // just assign the updated shared dispatch and we’re done! // Otherwise, copy-on-write. if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener); - schedule$$1.on = on1; + schedule.on = on1; }; } @@ -3711,15 +3765,15 @@ function transition_remove() { return this.on("end.remove", removeFunction(this._id)); } -function transition_select(select$$1) { +function transition_select(select) { var name = this._name, id = this._id; - if (typeof select$$1 !== "function") select$$1 = selector(select$$1); + if (typeof select !== "function") select = selector(select); for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select$$1.call(node, node.__data__, i, group))) { + if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { if ("__data__" in node) subnode.__data__ = node.__data__; subgroup[i] = subnode; schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); @@ -3730,16 +3784,16 @@ function transition_select(select$$1) { return new Transition(subgroups, this._parents, name, id); } -function transition_selectAll(select$$1) { +function transition_selectAll(select) { var name = this._name, id = this._id; - if (typeof select$$1 !== "function") select$$1 = selectorAll(select$$1); + if (typeof select !== "function") select = selectorAll(select); for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { if (node = group[i]) { - for (var children = select$$1.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { + for (var children = select.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { if (child = children[k]) { schedule(child, name, id, k, children, inherit); } @@ -3759,7 +3813,7 @@ function transition_selection() { return new Selection$1(this._groups, this._parents); } -function styleNull(name, interpolate$$1) { +function styleNull(name, interpolate) { var string00, string10, interpolate0; @@ -3768,7 +3822,7 @@ function styleNull(name, interpolate$$1) { string1 = (this.style.removeProperty(name), styleValue(this, name)); return string0 === string1 ? null : string0 === string00 && string1 === string10 ? interpolate0 - : interpolate0 = interpolate$$1(string00 = string0, string10 = string1); + : interpolate0 = interpolate(string00 = string0, string10 = string1); }; } @@ -3778,7 +3832,7 @@ function styleRemove$1(name) { }; } -function styleConstant$1(name, interpolate$$1, value1) { +function styleConstant$1(name, interpolate, value1) { var string00, string1 = value1 + "", interpolate0; @@ -3786,11 +3840,11 @@ function styleConstant$1(name, interpolate$$1, value1) { var string0 = styleValue(this, name); return string0 === string1 ? null : string0 === string00 ? interpolate0 - : interpolate0 = interpolate$$1(string00 = string0, value1); + : interpolate0 = interpolate(string00 = string0, value1); }; } -function styleFunction$1(name, interpolate$$1, value) { +function styleFunction$1(name, interpolate, value) { var string00, string10, interpolate0; @@ -3801,23 +3855,23 @@ function styleFunction$1(name, interpolate$$1, value) { if (value1 == null) string1 = value1 = (this.style.removeProperty(name), styleValue(this, name)); return string0 === string1 ? null : string0 === string00 && string1 === string10 ? interpolate0 - : (string10 = string1, interpolate0 = interpolate$$1(string00 = string0, value1)); + : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1)); }; } function styleMaybeRemove(id, name) { var on0, on1, listener0, key = "style." + name, event = "end." + key, remove; return function() { - var schedule$$1 = set$1(this, id), - on = schedule$$1.on, - listener = schedule$$1.value[key] == null ? remove || (remove = styleRemove$1(name)) : undefined; + var schedule = set$1(this, id), + on = schedule.on, + listener = schedule.value[key] == null ? remove || (remove = styleRemove$1(name)) : undefined; // If this node shared a dispatch with the previous node, // just assign the updated shared dispatch and we’re done! // Otherwise, copy-on-write. if (on !== on0 || listener0 !== listener) (on1 = (on0 = on).copy()).on(event, listener0 = listener); - schedule$$1.on = on1; + schedule.on = on1; }; } @@ -3836,7 +3890,7 @@ function transition_style(name, value, priority) { function styleInterpolate(name, i, priority) { return function(t) { - this.style.setProperty(name, i(t), priority); + this.style.setProperty(name, i.call(this, t), priority); }; } @@ -3878,6 +3932,31 @@ function transition_text(value) { : textConstant$1(value == null ? "" : value + "")); } +function textInterpolate(i) { + return function(t) { + this.textContent = i.call(this, t); + }; +} + +function textTween(value) { + var t0, i0; + function tween() { + var i = value.apply(this, arguments); + if (i !== i0) t0 = (i0 = i) && textInterpolate(i); + return t0; + } + tween._value = value; + return tween; +} + +function transition_textTween(value) { + var key = "text"; + if (arguments.length < 1) return (key = this.tween(key)) && key._value; + if (value == null) return this.tween(key, null); + if (typeof value !== "function") throw new Error; + return this.tween(key, textTween(value)); +} + function transition_transition() { var name = this._name, id0 = this._id, @@ -3907,8 +3986,8 @@ function transition_end() { end = {value: function() { if (--size === 0) resolve(); }}; that.each(function() { - var schedule$$1 = set$1(this, id), - on = schedule$$1.on; + var schedule = set$1(this, id), + on = schedule.on; // If this node shared a dispatch with the previous node, // just assign the updated shared dispatch and we’re done! @@ -3920,7 +3999,7 @@ function transition_end() { on1._.end.push(end); } - schedule$$1.on = on1; + schedule.on = on1; }); }); } @@ -3964,6 +4043,7 @@ Transition.prototype = transition.prototype = { style: transition_style, styleTween: transition_styleTween, text: transition_text, + textTween: transition_textTween, remove: transition_remove, tween: transition_tween, delay: transition_delay, @@ -4228,13 +4308,13 @@ var root$1 = [null]; function active(node, name) { var schedules = node.__transition, - schedule$$1, + schedule, i; if (schedules) { name = name == null ? null : name + ""; for (i in schedules) { - if ((schedule$$1 = schedules[i]).state > SCHEDULED && schedule$$1.name === name) { + if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { return new Transition([[node]], root$1, name, +i); } } @@ -4269,24 +4349,38 @@ var MODE_DRAG = {name: "drag"}, MODE_HANDLE = {name: "handle"}, MODE_CENTER = {name: "center"}; +function number1(e) { + return [+e[0], +e[1]]; +} + +function number2(e) { + return [number1(e[0]), number1(e[1])]; +} + +function toucher(identifier) { + return function(target) { + return touch(target, exports.event.touches, identifier); + }; +} + var X = { name: "x", - handles: ["e", "w"].map(type), - input: function(x, e) { return x && [[x[0], e[0][1]], [x[1], e[1][1]]]; }, + handles: ["w", "e"].map(type), + input: function(x, e) { return x == null ? null : [[+x[0], e[0][1]], [+x[1], e[1][1]]]; }, output: function(xy) { return xy && [xy[0][0], xy[1][0]]; } }; var Y = { name: "y", handles: ["n", "s"].map(type), - input: function(y, e) { return y && [[e[0][0], y[0]], [e[1][0], y[1]]]; }, + input: function(y, e) { return y == null ? null : [[e[0][0], +y[0]], [e[1][0], +y[1]]]; }, output: function(xy) { return xy && [xy[0][1], xy[1][1]]; } }; var XY = { name: "xy", - handles: ["n", "e", "s", "w", "nw", "ne", "se", "sw"].map(type), - input: function(xy) { return xy; }, + handles: ["n", "w", "e", "s", "nw", "ne", "sw", "se"].map(type), + input: function(xy) { return xy == null ? null : number2(xy); }, output: function(xy) { return xy; } }; @@ -4353,14 +4447,22 @@ function type(t) { // Ignore right-click, since that should open the context menu. function defaultFilter$1() { - return !exports.event.button; + return !exports.event.ctrlKey && !exports.event.button; } function defaultExtent() { var svg = this.ownerSVGElement || this; + if (svg.hasAttribute("viewBox")) { + svg = svg.viewBox.baseVal; + return [[svg.x, svg.y], [svg.x + svg.width, svg.y + svg.height]]; + } return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]]; } +function defaultTouchable$1() { + return navigator.maxTouchPoints || ("ontouchstart" in this); +} + // Like d3.local, but with the name “__brush” rather than auto-generated. function local$1(node) { while (!node.__brush) if (!(node = node.parentNode)) return; @@ -4392,7 +4494,9 @@ function brush() { function brush$1(dim) { var extent = defaultExtent, filter = defaultFilter$1, - listeners = dispatch(brush, "start", "brush", "end"), + touchable = defaultTouchable$1, + keys = true, + listeners = dispatch("start", "brush", "end"), handleSize = 6, touchending; @@ -4439,11 +4543,16 @@ function brush$1(dim) { .each(redraw) .attr("fill", "none") .attr("pointer-events", "all") - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") - .on("mousedown.brush touchstart.brush", started); + .on("mousedown.brush", started) + .filter(touchable) + .on("touchstart.brush", started) + .on("touchmove.brush", touchmoved) + .on("touchend.brush touchcancel.brush", touchended) + .style("touch-action", "none") + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); } - brush.move = function(group, selection$$1) { + brush.move = function(group, selection) { if (group.selection) { group .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) @@ -4453,16 +4562,16 @@ function brush$1(dim) { state = that.__brush, emit = emitter(that, arguments), selection0 = state.selection, - selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(this, arguments) : selection$$1, state.extent), + selection1 = dim.input(typeof selection === "function" ? selection.apply(this, arguments) : selection, state.extent), i = interpolateValue(selection0, selection1); function tween(t) { - state.selection = t === 1 && empty$1(selection1) ? null : i(t); + state.selection = t === 1 && selection1 === null ? null : i(t); redraw.call(that); emit.brush(); } - return selection0 && selection1 ? tween : tween(1); + return selection0 !== null && selection1 !== null ? tween : tween(1); }); } else { group @@ -4470,35 +4579,39 @@ function brush$1(dim) { var that = this, args = arguments, state = that.__brush, - selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(that, args) : selection$$1, state.extent), + selection1 = dim.input(typeof selection === "function" ? selection.apply(that, args) : selection, state.extent), emit = emitter(that, args).beforestart(); interrupt(that); - state.selection = selection1 == null || empty$1(selection1) ? null : selection1; + state.selection = selection1 === null ? null : selection1; redraw.call(that); emit.start().brush().end(); }); } }; + brush.clear = function(group) { + brush.move(group, null); + }; + function redraw() { var group = select(this), - selection$$1 = local$1(this).selection; + selection = local$1(this).selection; - if (selection$$1) { + if (selection) { group.selectAll(".selection") .style("display", null) - .attr("x", selection$$1[0][0]) - .attr("y", selection$$1[0][1]) - .attr("width", selection$$1[1][0] - selection$$1[0][0]) - .attr("height", selection$$1[1][1] - selection$$1[0][1]); + .attr("x", selection[0][0]) + .attr("y", selection[0][1]) + .attr("width", selection[1][0] - selection[0][0]) + .attr("height", selection[1][1] - selection[0][1]); group.selectAll(".handle") .style("display", null) - .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection$$1[1][0] - handleSize / 2 : selection$$1[0][0] - handleSize / 2; }) - .attr("y", function(d) { return d.type[0] === "s" ? selection$$1[1][1] - handleSize / 2 : selection$$1[0][1] - handleSize / 2; }) - .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection$$1[1][0] - selection$$1[0][0] + handleSize : handleSize; }) - .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection$$1[1][1] - selection$$1[0][1] + handleSize : handleSize; }); + .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection[1][0] - handleSize / 2 : selection[0][0] - handleSize / 2; }) + .attr("y", function(d) { return d.type[0] === "s" ? selection[1][1] - handleSize / 2 : selection[0][1] - handleSize / 2; }) + .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection[1][0] - selection[0][0] + handleSize : handleSize; }) + .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection[1][1] - selection[0][1] + handleSize : handleSize; }); } else { @@ -4511,8 +4624,8 @@ function brush$1(dim) { } } - function emitter(that, args) { - return that.__brush.emitter || new Emitter(that, args); + function emitter(that, args, clean) { + return (!clean && that.__brush.emitter) || new Emitter(that, args); } function Emitter(that, args) { @@ -4529,6 +4642,7 @@ function brush$1(dim) { }, start: function() { if (this.starting) this.starting = false, this.emit("start"); + else this.emit("brush"); return this; }, brush: function() { @@ -4545,42 +4659,43 @@ function brush$1(dim) { }; function started() { - if (exports.event.touches) { if (exports.event.changedTouches.length < exports.event.touches.length) return noevent$1(); } - else if (touchending) return; + if (touchending && !exports.event.touches) return; if (!filter.apply(this, arguments)) return; var that = this, type = exports.event.target.__data__.type, - mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE), + mode = (keys && exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (keys && exports.event.altKey ? MODE_CENTER : MODE_HANDLE), signX = dim === Y ? null : signsX[type], signY = dim === X ? null : signsY[type], state = local$1(that), extent = state.extent, - selection$$1 = state.selection, + selection = state.selection, W = extent[0][0], w0, w1, N = extent[0][1], n0, n1, E = extent[1][0], e0, e1, S = extent[1][1], s0, s1, - dx, - dy, + dx = 0, + dy = 0, moving, - shifting = signX && signY && exports.event.shiftKey, + shifting = signX && signY && keys && exports.event.shiftKey, lockX, lockY, - point0 = mouse(that), - point$$1 = point0, - emit = emitter(that, arguments).beforestart(); + pointer = exports.event.touches ? toucher(exports.event.changedTouches[0].identifier) : mouse, + point0 = pointer(that), + point = point0, + emit = emitter(that, arguments, true).beforestart(); if (type === "overlay") { - state.selection = selection$$1 = [ + if (selection) moving = true; + state.selection = selection = [ [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] ]; } else { - w0 = selection$$1[0][0]; - n0 = selection$$1[0][1]; - e0 = selection$$1[1][0]; - s0 = selection$$1[1][1]; + w0 = selection[0][0]; + n0 = selection[0][1]; + e0 = selection[1][0]; + s0 = selection[1][1]; } w1 = w0; @@ -4595,15 +4710,15 @@ function brush$1(dim) { .attr("cursor", cursors[type]); if (exports.event.touches) { - group - .on("touchmove.brush", moved, true) - .on("touchend.brush touchcancel.brush", ended, true); + emit.moved = moved; + emit.ended = ended; } else { var view = select(exports.event.view) - .on("keydown.brush", keydowned, true) - .on("keyup.brush", keyupped, true) .on("mousemove.brush", moved, true) .on("mouseup.brush", ended, true); + if (keys) view + .on("keydown.brush", keydowned, true) + .on("keyup.brush", keyupped, true); dragDisable(exports.event.view); } @@ -4614,12 +4729,12 @@ function brush$1(dim) { emit.start(); function moved() { - var point1 = mouse(that); + var point1 = pointer(that); if (shifting && !lockX && !lockY) { - if (Math.abs(point1[0] - point$$1[0]) > Math.abs(point1[1] - point$$1[1])) lockY = true; + if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true; else lockX = true; } - point$$1 = point1; + point = point1; moving = true; noevent$1(); move(); @@ -4628,8 +4743,8 @@ function brush$1(dim) { function move() { var t; - dx = point$$1[0] - point0[0]; - dy = point$$1[1] - point0[1]; + dx = point[0] - point0[0]; + dy = point[1] - point0[1]; switch (mode) { case MODE_SPACE: @@ -4666,14 +4781,14 @@ function brush$1(dim) { if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); } - if (state.selection) selection$$1 = state.selection; // May be set by brush.move! - if (lockX) w1 = selection$$1[0][0], e1 = selection$$1[1][0]; - if (lockY) n1 = selection$$1[0][1], s1 = selection$$1[1][1]; + if (state.selection) selection = state.selection; // May be set by brush.move! + if (lockX) w1 = selection[0][0], e1 = selection[1][0]; + if (lockY) n1 = selection[0][1], s1 = selection[1][1]; - if (selection$$1[0][0] !== w1 - || selection$$1[0][1] !== n1 - || selection$$1[1][0] !== e1 - || selection$$1[1][1] !== s1) { + if (selection[0][0] !== w1 + || selection[0][1] !== n1 + || selection[1][0] !== e1 + || selection[1][1] !== s1) { state.selection = [[w1, n1], [e1, s1]]; redraw.call(that); emit.brush(); @@ -4686,15 +4801,14 @@ function brush$1(dim) { if (exports.event.touches.length) return; if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! - group.on("touchmove.brush touchend.brush touchcancel.brush", null); } else { yesdrag(exports.event.view, moving); view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); } group.attr("pointer-events", "all"); overlay.attr("cursor", cursors.overlay); - if (state.selection) selection$$1 = state.selection; // May be set by brush.move (on start)! - if (empty$1(selection$$1)) state.selection = null, redraw.call(that); + if (state.selection) selection = state.selection; // May be set by brush.move (on start)! + if (empty$1(selection)) state.selection = null, redraw.call(that); emit.end(); } @@ -4768,25 +4882,41 @@ function brush$1(dim) { } } + function touchmoved() { + emitter(this, arguments).moved(); + } + + function touchended() { + emitter(this, arguments).ended(); + } + function initialize() { var state = this.__brush || {selection: null}; - state.extent = extent.apply(this, arguments); + state.extent = number2(extent.apply(this, arguments)); state.dim = dim; return state; } brush.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$4([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), brush) : extent; + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$4(number2(_)), brush) : extent; }; brush.filter = function(_) { return arguments.length ? (filter = typeof _ === "function" ? _ : constant$4(!!_), brush) : filter; }; + brush.touchable = function(_) { + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$4(!!_), brush) : touchable; + }; + brush.handleSize = function(_) { return arguments.length ? (handleSize = +_, brush) : handleSize; }; + brush.keyModifiers = function(_) { + return arguments.length ? (keys = !!_, brush) : keys; + }; + brush.on = function() { var value = listeners.on.apply(listeners, arguments); return value === listeners ? brush : value; @@ -5013,7 +5143,7 @@ Path.prototype = path.prototype = { } }, arc: function(x, y, r, a0, a1, ccw) { - x = +x, y = +y, r = +r; + x = +x, y = +y, r = +r, ccw = !!ccw; var dx = r * Math.cos(a0), dy = r * Math.sin(a0), x0 = x + dx, @@ -5413,11 +5543,11 @@ var cases = [ function contours() { var dx = 1, dy = 1, - threshold$$1 = thresholdSturges, + threshold = thresholdSturges, smooth = smoothLinear; function contours(values) { - var tz = threshold$$1(values); + var tz = threshold(values); // Convert number of thresholds into uniform thresholds. if (!Array.isArray(tz)) { @@ -5577,7 +5707,7 @@ function contours() { }; contours.thresholds = function(_) { - return arguments.length ? (threshold$$1 = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), contours) : threshold$$1; + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), contours) : threshold; }; contours.smooth = function(_) { @@ -5654,7 +5784,7 @@ function density() { o = r * 3, // grid offset, to pad for blur n = (dx + o * 2) >> k, // grid width m = (dy + o * 2) >> k, // grid height - threshold$$1 = constant$6(20); + threshold = constant$6(20); function density(data) { var values0 = new Float32Array(n * m), @@ -5677,7 +5807,7 @@ function density() { blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); - var tz = threshold$$1(values0); + var tz = threshold(values0); // Convert number of thresholds into uniform thresholds. if (!Array.isArray(tz)) { @@ -5747,7 +5877,7 @@ function density() { }; density.thresholds = function(_) { - return arguments.length ? (threshold$$1 = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), density) : threshold$$1; + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), density) : threshold; }; density.bandwidth = function(_) { @@ -5767,7 +5897,7 @@ var EOL = {}, function objectConverter(columns) { return new Function("d", "return {" + columns.map(function(name, i) { - return JSON.stringify(name) + ": d[" + i + "]"; + return JSON.stringify(name) + ": d[" + i + "] || \"\""; }).join(",") + "}"); } @@ -5811,7 +5941,7 @@ function formatDate(date) { seconds = date.getUTCSeconds(), milliseconds = date.getUTCMilliseconds(); return isNaN(date) ? "Invalid Date" - : formatYear(date.getUTCFullYear(), 4) + "-" + pad(date.getUTCMonth() + 1, 2) + "-" + pad(date.getUTCDate(), 2) + : formatYear(date.getUTCFullYear()) + "-" + pad(date.getUTCMonth() + 1, 2) + "-" + pad(date.getUTCDate(), 2) + (milliseconds ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + ":" + pad(seconds, 2) + "." + pad(milliseconds, 3) + "Z" : seconds ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + ":" + pad(seconds, 2) + "Z" : minutes || hours ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + "Z" @@ -5918,7 +6048,9 @@ function dsvFormat(delimiter) { parseRows: parseRows, format: format, formatBody: formatBody, - formatRows: formatRows + formatRows: formatRows, + formatRow: formatRow, + formatValue: formatValue }; } @@ -5929,6 +6061,8 @@ var csvParseRows = csv.parseRows; var csvFormat = csv.format; var csvFormatBody = csv.formatBody; var csvFormatRows = csv.formatRows; +var csvFormatRow = csv.formatRow; +var csvFormatValue = csv.formatValue; var tsv = dsvFormat("\t"); @@ -5937,22 +6071,30 @@ var tsvParseRows = tsv.parseRows; var tsvFormat = tsv.format; var tsvFormatBody = tsv.formatBody; var tsvFormatRows = tsv.formatRows; +var tsvFormatRow = tsv.formatRow; +var tsvFormatValue = tsv.formatValue; function autoType(object) { for (var key in object) { - var value = object[key].trim(), number; + var value = object[key].trim(), number, m; if (!value) value = null; else if (value === "true") value = true; else if (value === "false") value = false; else if (value === "NaN") value = NaN; else if (!isNaN(number = +value)) value = number; - else if (/^([-+]\d{2})?\d{4}(-\d{2}(-\d{2})?)?(T\d{2}:\d{2}(:\d{2}(\.\d{3})?)?(Z|[-+]\d{2}:\d{2})?)?$/.test(value)) value = new Date(value); + else if (m = value.match(/^([-+]\d{2})?\d{4}(-\d{2}(-\d{2})?)?(T\d{2}:\d{2}(:\d{2}(\.\d{3})?)?(Z|[-+]\d{2}:\d{2})?)?$/)) { + if (fixtz && !!m[4] && !m[7]) value = value.replace(/-/g, "/").replace(/T/, " "); + value = new Date(value); + } else continue; object[key] = value; } return object; } +// https://github.com/d3/d3-dsv/issues/45 +var fixtz = new Date("2019-01-01T00:00").getHours() || new Date("2019-07-01T00:00").getHours(); + function responseBlob(response) { if (!response.ok) throw new Error(response.status + " " + response.statusText); return response.blob(); @@ -6021,8 +6163,8 @@ function json(input, init) { function parser(type) { return function(input, init) { - return text(input, init).then(function(text$$1) { - return (new DOMParser).parseFromString(text$$1, type); + return text(input, init).then(function(text) { + return (new DOMParser).parseFromString(text, type); }); }; } @@ -7139,24 +7281,35 @@ function formatNumerals(numerals) { var re = /^(?:(.)?([<>=^]))?([+\-( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i; function formatSpecifier(specifier) { - return new FormatSpecifier(specifier); + if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); + var match; + return new FormatSpecifier({ + fill: match[1], + align: match[2], + sign: match[3], + symbol: match[4], + zero: match[5], + width: match[6], + comma: match[7], + precision: match[8] && match[8].slice(1), + trim: match[9], + type: match[10] + }); } formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof function FormatSpecifier(specifier) { - if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); - var match; - this.fill = match[1] || " "; - this.align = match[2] || ">"; - this.sign = match[3] || "-"; - this.symbol = match[4] || ""; - this.zero = !!match[5]; - this.width = match[6] && +match[6]; - this.comma = !!match[7]; - this.precision = match[8] && +match[8].slice(1); - this.trim = !!match[9]; - this.type = match[10] || ""; + this.fill = specifier.fill === undefined ? " " : specifier.fill + ""; + this.align = specifier.align === undefined ? ">" : specifier.align + ""; + this.sign = specifier.sign === undefined ? "-" : specifier.sign + ""; + this.symbol = specifier.symbol === undefined ? "" : specifier.symbol + ""; + this.zero = !!specifier.zero; + this.width = specifier.width === undefined ? undefined : +specifier.width; + this.comma = !!specifier.comma; + this.precision = specifier.precision === undefined ? undefined : +specifier.precision; + this.trim = !!specifier.trim; + this.type = specifier.type === undefined ? "" : specifier.type + ""; } FormatSpecifier.prototype.toString = function() { @@ -7165,9 +7318,9 @@ FormatSpecifier.prototype.toString = function() { + this.sign + this.symbol + (this.zero ? "0" : "") - + (this.width == null ? "" : Math.max(1, this.width | 0)) + + (this.width === undefined ? "" : Math.max(1, this.width | 0)) + (this.comma ? "," : "") - + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0)) + + (this.precision === undefined ? "" : "." + Math.max(0, this.precision | 0)) + (this.trim ? "~" : "") + this.type; }; @@ -7178,7 +7331,7 @@ function formatTrim(s) { switch (s[i]) { case ".": i0 = i1 = i; break; case "0": if (i0 === 0) i0 = i; i1 = i; break; - default: if (i0 > 0) { if (!+s[i]) break out; i0 = 0; } break; + default: if (!+s[i]) break out; if (i0 > 0) i0 = 0; break; } } return i0 > 0 ? s.slice(0, i0) + s.slice(i1 + 1) : s; @@ -7229,14 +7382,18 @@ function identity$3(x) { return x; } -var prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; +var map$2 = Array.prototype.map, + prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; function formatLocale(locale) { - var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, - currency = locale.currency, - decimal = locale.decimal, - numerals = locale.numerals ? formatNumerals(locale.numerals) : identity$3, - percent = locale.percent || "%"; + var group = locale.grouping === undefined || locale.thousands === undefined ? identity$3 : formatGroup(map$2.call(locale.grouping, Number), locale.thousands + ""), + currencyPrefix = locale.currency === undefined ? "" : locale.currency[0] + "", + currencySuffix = locale.currency === undefined ? "" : locale.currency[1] + "", + decimal = locale.decimal === undefined ? "." : locale.decimal + "", + numerals = locale.numerals === undefined ? identity$3 : formatNumerals(map$2.call(locale.numerals, String)), + percent = locale.percent === undefined ? "%" : locale.percent + "", + minus = locale.minus === undefined ? "-" : locale.minus + "", + nan = locale.nan === undefined ? "NaN" : locale.nan + ""; function newFormat(specifier) { specifier = formatSpecifier(specifier); @@ -7256,15 +7413,15 @@ function formatLocale(locale) { if (type === "n") comma = true, type = "g"; // The "" type, and any invalid type, is an alias for ".12~g". - else if (!formatTypes[type]) precision == null && (precision = 12), trim = true, type = "g"; + else if (!formatTypes[type]) precision === undefined && (precision = 12), trim = true, type = "g"; // If zero fill is specified, padding goes after sign and before digits. if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; // Compute the prefix and suffix. // For SI-prefix, the suffix is lazily computed. - var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", - suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? percent : ""; + var prefix = symbol === "$" ? currencyPrefix : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", + suffix = symbol === "$" ? currencySuffix : /[%p]/.test(type) ? percent : ""; // What format function should we use? // Is this an integer type? @@ -7276,7 +7433,7 @@ function formatLocale(locale) { // or clamp the specified precision to the supported range. // For significant precision, it must be in [1, 21]. // For fixed precision, it must be in [0, 20]. - precision = precision == null ? 6 + precision = precision === undefined ? 6 : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) : Math.max(0, Math.min(20, precision)); @@ -7291,18 +7448,20 @@ function formatLocale(locale) { } else { value = +value; + // Determine the sign. -0 is not less than 0, but 1 / -0 is! + var valueNegative = value < 0 || 1 / value < 0; + // Perform the initial formatting. - var valueNegative = value < 0; - value = formatType(Math.abs(value), precision); + value = isNaN(value) ? nan : formatType(Math.abs(value), precision); // Trim insignificant zeros. if (trim) value = formatTrim(value); - // If a negative value rounds to zero during formatting, treat as positive. - if (valueNegative && +value === 0) valueNegative = false; + // If a negative value rounds to zero after formatting, and no explicit positive sign is requested, hide the sign. + if (valueNegative && +value === 0 && sign !== "+") valueNegative = false; // Compute the prefix and suffix. - valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; + valuePrefix = (valueNegative ? (sign === "(" ? sign : minus) : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; valueSuffix = (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + valueSuffix + (valueNegative && sign === "(" ? ")" : ""); // Break the formatted value into the integer “value” part that can be @@ -7369,7 +7528,8 @@ defaultLocale({ decimal: ".", thousands: ",", grouping: [3], - currency: ["$", ""] + currency: ["$", ""], + minus: "-" }); function defaultLocale(definition) { @@ -7670,6 +7830,9 @@ var boundsStream = { else if (deltaSum > epsilon$2) phi1 = 90; else if (deltaSum < -epsilon$2) phi0 = -90; range[0] = lambda0$1, range[1] = lambda1; + }, + sphere: function() { + lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); } }; @@ -7688,14 +7851,14 @@ function linePoint(lambda, phi) { cartesianNormalizeInPlace(inflection); inflection = spherical(inflection); var delta = lambda - lambda2, - sign$$1 = delta > 0 ? 1 : -1, - lambdai = inflection[0] * degrees$1 * sign$$1, + sign = delta > 0 ? 1 : -1, + lambdai = inflection[0] * degrees$1 * sign, phii, antimeridian = abs(delta) > 180; - if (antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) { + if (antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { phii = inflection[1] * degrees$1; if (phii > phi1) phi1 = phii; - } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) { + } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { phii = -inflection[1] * degrees$1; if (phii < phi0) phi0 = phii; } else { @@ -8240,8 +8403,15 @@ function link$1(array) { var sum$1 = adder(); +function longitude(point) { + if (abs(point[0]) <= pi$3) + return point[0]; + else + return sign(point[0]) * ((abs(point[0]) + pi$3) % tau$3 - pi$3); +} + function polygonContains(polygon, point) { - var lambda = point[0], + var lambda = longitude(point), phi = point[1], sinPhi = sin$1(phi), normal = [sin$1(lambda), -cos$1(lambda), 0], @@ -8258,25 +8428,25 @@ function polygonContains(polygon, point) { var ring, m, point0 = ring[m - 1], - lambda0 = point0[0], + lambda0 = longitude(point0), phi0 = point0[1] / 2 + quarterPi, sinPhi0 = sin$1(phi0), cosPhi0 = cos$1(phi0); for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { var point1 = ring[j], - lambda1 = point1[0], + lambda1 = longitude(point1), phi1 = point1[1] / 2 + quarterPi, sinPhi1 = sin$1(phi1), cosPhi1 = cos$1(phi1), delta = lambda1 - lambda0, - sign$$1 = delta >= 0 ? 1 : -1, - absDelta = sign$$1 * delta, + sign = delta >= 0 ? 1 : -1, + absDelta = sign * delta, antimeridian = absDelta > pi$3, k = sinPhi0 * sinPhi1; - sum$1.add(atan2(k * sign$$1 * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); - angle += antimeridian ? delta + sign$$1 * tau$3 : delta; + sum$1.add(atan2(k * sign * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); + angle += antimeridian ? delta + sign * tau$3 : delta; // Are the longitudes either side of the point’s meridian (lambda), // and are the latitudes smaller than the parallel (phi)? @@ -9057,10 +9227,23 @@ function containsPoint(coordinates, point) { } function containsLine(coordinates, point) { - var ab = distance(coordinates[0], coordinates[1]), - ao = distance(coordinates[0], point), - ob = distance(point, coordinates[1]); - return ao + ob <= ab + epsilon$2; + var ao, bo, ab; + for (var i = 0, n = coordinates.length; i < n; i++) { + bo = distance(coordinates[i], point); + if (bo === 0) return true; + if (i > 0) { + ab = distance(coordinates[i], coordinates[i - 1]); + if ( + ab > 0 && + ao <= ab && + bo <= ab && + (ao + bo - ab) * (1 - Math.pow((ao - bo) / ab, 2)) < epsilon2$1 * ab + ) + return true; + } + ao = bo; + } + return false; } function containsPolygon(coordinates, point) { @@ -9772,17 +9955,18 @@ function transformRotate(rotate) { }); } -function scaleTranslate(k, dx, dy) { - function transform$$1(x, y) { +function scaleTranslate(k, dx, dy, sx, sy) { + function transform(x, y) { + x *= sx; y *= sy; return [dx + k * x, dy - k * y]; } - transform$$1.invert = function(x, y) { - return [(x - dx) / k, (dy - y) / k]; + transform.invert = function(x, y) { + return [(x - dx) / k * sx, (dy - y) / k * sy]; }; - return transform$$1; + return transform; } -function scaleTranslateRotate(k, dx, dy, alpha) { +function scaleTranslateRotate(k, dx, dy, sx, sy, alpha) { var cosAlpha = cos$1(alpha), sinAlpha = sin$1(alpha), a = cosAlpha * k, @@ -9791,13 +9975,14 @@ function scaleTranslateRotate(k, dx, dy, alpha) { bi = sinAlpha / k, ci = (sinAlpha * dy - cosAlpha * dx) / k, fi = (sinAlpha * dx + cosAlpha * dy) / k; - function transform$$1(x, y) { + function transform(x, y) { + x *= sx; y *= sy; return [a * x - b * y + dx, dy - b * x - a * y]; } - transform$$1.invert = function(x, y) { - return [ai * x - bi * y + ci, fi - bi * x - ai * y]; + transform.invert = function(x, y) { + return [sx * (ai * x - bi * y + ci), sy * (fi - bi * x - ai * y)]; }; - return transform$$1; + return transform; } function projection(project) { @@ -9810,7 +9995,9 @@ function projectionMutator(projectAt) { x = 480, y = 250, // translate lambda = 0, phi = 0, // center deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, // pre-rotate - alpha = 0, // post-rotate + alpha = 0, // post-rotate angle + sx = 1, // reflectX + sy = 1, // reflectX theta = null, preclip = clipAntimeridian, // pre-clip angle x0 = null, y0, x1, y1, postclip = identity$4, // post-clip extent delta2 = 0.5, // precision @@ -9869,6 +10056,14 @@ function projectionMutator(projectAt) { return arguments.length ? (alpha = _ % 360 * radians, recenter()) : alpha * degrees$1; }; + projection.reflectX = function(_) { + return arguments.length ? (sx = _ ? -1 : 1, recenter()) : sx < 0; + }; + + projection.reflectY = function(_) { + return arguments.length ? (sy = _ ? -1 : 1, recenter()) : sy < 0; + }; + projection.precision = function(_) { return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt(delta2); }; @@ -9890,10 +10085,10 @@ function projectionMutator(projectAt) { }; function recenter() { - var center = scaleTranslateRotate(k, 0, 0, alpha).apply(null, project(lambda, phi)), - transform$$1 = (alpha ? scaleTranslateRotate : scaleTranslate)(k, x - center[0], y - center[1], alpha); + var center = scaleTranslateRotate(k, 0, 0, sx, sy, alpha).apply(null, project(lambda, phi)), + transform = (alpha ? scaleTranslateRotate : scaleTranslate)(k, x - center[0], y - center[1], sx, sy, alpha); rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma); - projectTransform = compose(project, transform$$1); + projectTransform = compose(project, transform); projectRotateTransform = compose(rotate, projectTransform); projectResample = resample(projectTransform, delta2); return reset(); @@ -9952,8 +10147,11 @@ function conicEqualAreaRaw(y0, y1) { } project.invert = function(x, y) { - var r0y = r0 - y; - return [atan2(x, abs(r0y)) / n * sign(r0y), asin((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; + var r0y = r0 - y, + l = atan2(x, abs(r0y)) * sign(r0y); + if (r0y * n < 0) + l -= pi$3 * sign(x) * sign(r0y); + return [l / n, asin((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; }; return project; @@ -10202,8 +10400,11 @@ function conicConformalRaw(y0, y1) { } project.invert = function(x, y) { - var fy = f - y, r = sign(n) * sqrt(x * x + fy * fy); - return [atan2(x, abs(fy)) / n * sign(fy), 2 * atan(pow(f / r, 1 / n)) - halfPi$2]; + var fy = f - y, r = sign(n) * sqrt(x * x + fy * fy), + l = atan2(x, abs(fy)) * sign(fy); + if (fy * n < 0) + l -= pi$3 * sign(x) * sign(fy); + return [l / n, 2 * atan(pow(f / r, 1 / n)) - halfPi$2]; }; return project; @@ -10239,8 +10440,11 @@ function conicEquidistantRaw(y0, y1) { } project.invert = function(x, y) { - var gy = g - y; - return [atan2(x, abs(gy)) / n * sign(gy), g - sign(n) * sqrt(x * x + gy * gy)]; + var gy = g - y, + l = atan2(x, abs(gy)) * sign(gy); + if (gy * n < 0) + l -= pi$3 * sign(x) * sign(gy); + return [l / n, g - sign(n) * sqrt(x * x + gy * gy)]; }; return project; @@ -10299,62 +10503,84 @@ function gnomonic() { .clipAngle(60); } -function scaleTranslate$1(kx, ky, tx, ty) { - return kx === 1 && ky === 1 && tx === 0 && ty === 0 ? identity$4 : transformer({ - point: function(x, y) { - this.stream.point(x * kx + tx, y * ky + ty); - } - }); -} - function identity$5() { - var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, transform$$1 = identity$4, // scale, translate and reflect + var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, // scale, translate and reflect + alpha = 0, ca, sa, // angle x0 = null, y0, x1, y1, // clip extent + kx = 1, ky = 1, + transform = transformer({ + point: function(x, y) { + var p = projection([x, y]); + this.stream.point(p[0], p[1]); + } + }), postclip = identity$4, cache, - cacheStream, - projection; + cacheStream; function reset() { + kx = k * sx; + ky = k * sy; cache = cacheStream = null; return projection; } - return projection = { - stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = transform$$1(postclip(cacheStream = stream)); - }, - postclip: function(_) { - return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; - }, - clipExtent: function(_) { - return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; - }, - scale: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate$1((k = +_) * sx, k * sy, tx, ty), reset()) : k; - }, - translate: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate$1(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; - }, - reflectX: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate$1(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0; - }, - reflectY: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate$1(k * sx, k * (sy = _ ? -1 : 1), tx, ty), reset()) : sy < 0; - }, - fitExtent: function(extent, object) { - return fitExtent(projection, extent, object); - }, - fitSize: function(size, object) { - return fitSize(projection, size, object); - }, - fitWidth: function(width, object) { - return fitWidth(projection, width, object); - }, - fitHeight: function(height, object) { - return fitHeight(projection, height, object); + function projection (p) { + var x = p[0] * kx, y = p[1] * ky; + if (alpha) { + var t = y * ca - x * sa; + x = x * ca + y * sa; + y = t; + } + return [x + tx, y + ty]; + } + projection.invert = function(p) { + var x = p[0] - tx, y = p[1] - ty; + if (alpha) { + var t = y * ca + x * sa; + x = x * ca - y * sa; + y = t; } + return [x / kx, y / ky]; + }; + projection.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = transform(postclip(cacheStream = stream)); + }; + projection.postclip = function(_) { + return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; + }; + projection.clipExtent = function(_) { + return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + }; + projection.scale = function(_) { + return arguments.length ? (k = +_, reset()) : k; + }; + projection.translate = function(_) { + return arguments.length ? (tx = +_[0], ty = +_[1], reset()) : [tx, ty]; + }; + projection.angle = function(_) { + return arguments.length ? (alpha = _ % 360 * radians, sa = sin$1(alpha), ca = cos$1(alpha), reset()) : alpha * degrees$1; + }; + projection.reflectX = function(_) { + return arguments.length ? (sx = _ ? -1 : 1, reset()) : sx < 0; + }; + projection.reflectY = function(_) { + return arguments.length ? (sy = _ ? -1 : 1, reset()) : sy < 0; + }; + projection.fitExtent = function(extent, object) { + return fitExtent(projection, extent, object); }; + projection.fitSize = function(size, object) { + return fitSize(projection, size, object); + }; + projection.fitWidth = function(width, object) { + return fitWidth(projection, width, object); + }; + projection.fitHeight = function(height, object) { + return fitHeight(projection, height, object); + }; + + return projection; } function naturalEarth1Raw(lambda, phi) { @@ -11951,7 +12177,7 @@ function initInterpolator(domain, interpolator) { var array$3 = Array.prototype; -var map$2 = array$3.map; +var map$3 = array$3.map; var slice$5 = array$3.slice; var implicit = {name: "implicit"}; @@ -12000,7 +12226,7 @@ function band() { var scale = ordinal().unknown(undefined), domain = scale.domain, ordinalRange = scale.range, - range$$1 = [0, 1], + range = [0, 1], step, bandwidth, round = false, @@ -12012,9 +12238,9 @@ function band() { function rescale() { var n = domain().length, - reverse = range$$1[1] < range$$1[0], - start = range$$1[reverse - 0], - stop = range$$1[1 - reverse]; + reverse = range[1] < range[0], + start = range[reverse - 0], + stop = range[1 - reverse]; step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); if (round) step = Math.floor(step); start += (stop - start - step * (n - paddingInner)) * align; @@ -12029,11 +12255,11 @@ function band() { }; scale.range = function(_) { - return arguments.length ? (range$$1 = [+_[0], +_[1]], rescale()) : range$$1.slice(); + return arguments.length ? (range = [+_[0], +_[1]], rescale()) : range.slice(); }; scale.rangeRound = function(_) { - return range$$1 = [+_[0], +_[1]], round = true, rescale(); + return range = [+_[0], +_[1]], round = true, rescale(); }; scale.bandwidth = function() { @@ -12065,7 +12291,7 @@ function band() { }; scale.copy = function() { - return band(domain(), range$$1) + return band(domain(), range) .round(round) .paddingInner(paddingInner) .paddingOuter(paddingOuter) @@ -12123,14 +12349,14 @@ function clamper(domain) { // normalize(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. // interpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding range value x in [a,b]. -function bimap(domain, range, interpolate$$1) { +function bimap(domain, range, interpolate) { var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; - if (d1 < d0) d0 = normalize(d1, d0), r0 = interpolate$$1(r1, r0); - else d0 = normalize(d0, d1), r0 = interpolate$$1(r0, r1); + if (d1 < d0) d0 = normalize(d1, d0), r0 = interpolate(r1, r0); + else d0 = normalize(d0, d1), r0 = interpolate(r0, r1); return function(x) { return r0(d0(x)); }; } -function polymap(domain, range, interpolate$$1) { +function polymap(domain, range, interpolate) { var j = Math.min(domain.length, range.length) - 1, d = new Array(j), r = new Array(j), @@ -12144,7 +12370,7 @@ function polymap(domain, range, interpolate$$1) { while (++i < j) { d[i] = normalize(domain[i], domain[i + 1]); - r[i] = interpolate$$1(range[i], range[i + 1]); + r[i] = interpolate(range[i], range[i + 1]); } return function(x) { @@ -12165,31 +12391,31 @@ function copy(source, target) { function transformer$1() { var domain = unit, range = unit, - interpolate$$1 = interpolateValue, + interpolate = interpolateValue, transform, untransform, unknown, clamp = identity$6, - piecewise$$1, + piecewise, output, input; function rescale() { - piecewise$$1 = Math.min(domain.length, range.length) > 2 ? polymap : bimap; + piecewise = Math.min(domain.length, range.length) > 2 ? polymap : bimap; output = input = null; return scale; } function scale(x) { - return isNaN(x = +x) ? unknown : (output || (output = piecewise$$1(domain.map(transform), range, interpolate$$1)))(transform(clamp(x))); + return isNaN(x = +x) ? unknown : (output || (output = piecewise(domain.map(transform), range, interpolate)))(transform(clamp(x))); } scale.invert = function(y) { - return clamp(untransform((input || (input = piecewise$$1(range, domain.map(transform), interpolateNumber)))(y))); + return clamp(untransform((input || (input = piecewise(range, domain.map(transform), interpolateNumber)))(y))); }; scale.domain = function(_) { - return arguments.length ? (domain = map$2.call(_, number$2), clamp === identity$6 || (clamp = clamper(domain)), rescale()) : domain.slice(); + return arguments.length ? (domain = map$3.call(_, number$2), clamp === identity$6 || (clamp = clamper(domain)), rescale()) : domain.slice(); }; scale.range = function(_) { @@ -12197,7 +12423,7 @@ function transformer$1() { }; scale.rangeRound = function(_) { - return range = slice$5.call(_), interpolate$$1 = interpolateRound, rescale(); + return range = slice$5.call(_), interpolate = interpolateRound, rescale(); }; scale.clamp = function(_) { @@ -12205,7 +12431,7 @@ function transformer$1() { }; scale.interpolate = function(_) { - return arguments.length ? (interpolate$$1 = _, rescale()) : interpolate$$1; + return arguments.length ? (interpolate = _, rescale()) : interpolate; }; scale.unknown = function(_) { @@ -12327,7 +12553,7 @@ function identity$7(domain) { scale.invert = scale; scale.domain = scale.range = function(_) { - return arguments.length ? (domain = map$2.call(_, number$2), scale) : domain.slice(); + return arguments.length ? (domain = map$3.call(_, number$2), scale) : domain.slice(); }; scale.unknown = function(_) { @@ -12338,7 +12564,7 @@ function identity$7(domain) { return identity$7(domain).unknown(unknown); }; - domain = arguments.length ? map$2.call(domain, number$2) : [0, 1]; + domain = arguments.length ? map$3.call(domain, number$2) : [0, 1]; return linearish(scale); } @@ -12581,7 +12807,7 @@ function sqrt$1() { return pow$1.apply(null, arguments).exponent(0.5); } -function quantile$$1() { +function quantile() { var domain = [], range = [], thresholds = [], @@ -12627,7 +12853,7 @@ function quantile$$1() { }; scale.copy = function() { - return quantile$$1() + return quantile() .domain(domain) .range(range) .unknown(unknown); @@ -12732,10 +12958,12 @@ var t0$1 = new Date, function newInterval(floori, offseti, count, field) { function interval(date) { - return floori(date = new Date(+date)), date; + return floori(date = arguments.length === 0 ? new Date : new Date(+date)), date; } - interval.floor = interval; + interval.floor = function(date) { + return floori(date = new Date(+date)), date; + }; interval.ceil = function(date) { return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; @@ -13043,8 +13271,8 @@ function utcDate(d) { return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); } -function newYear(y) { - return {y: y, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0}; +function newDate(y, m, d) { + return {y: y, m: m, d: d, H: 0, M: 0, S: 0, L: 0}; } function formatLocale$1(locale) { @@ -13084,6 +13312,7 @@ function formatLocale$1(locale) { "m": formatMonthNumber, "M": formatMinutes, "p": formatPeriod, + "q": formatQuarter, "Q": formatUnixTimestamp, "s": formatUnixTimestampSeconds, "S": formatSeconds, @@ -13116,6 +13345,7 @@ function formatLocale$1(locale) { "m": formatUTCMonthNumber, "M": formatUTCMinutes, "p": formatUTCPeriod, + "q": formatUTCQuarter, "Q": formatUnixTimestamp, "s": formatUnixTimestampSeconds, "S": formatUTCSeconds, @@ -13148,6 +13378,7 @@ function formatLocale$1(locale) { "m": parseMonthNumber, "M": parseMinutes, "p": parsePeriod, + "q": parseQuarter, "Q": parseUnixTimestamp, "s": parseUnixTimestampSeconds, "S": parseSeconds, @@ -13200,33 +13431,40 @@ function formatLocale$1(locale) { }; } - function newParse(specifier, newDate) { + function newParse(specifier, Z) { return function(string) { - var d = newYear(1900), + var d = newDate(1900, undefined, 1), i = parseSpecifier(d, specifier, string += "", 0), - week, day$$1; + week, day$1; if (i != string.length) return null; // If a UNIX timestamp is specified, return it. if ("Q" in d) return new Date(d.Q); + if ("s" in d) return new Date(d.s * 1000 + ("L" in d ? d.L : 0)); + + // If this is utcParse, never use the local timezone. + if (Z && !("Z" in d)) d.Z = 0; // The am-pm flag is 0 for AM, and 1 for PM. if ("p" in d) d.H = d.H % 12 + d.p * 12; + // If the month was not specified, inherit from the quarter. + if (d.m === undefined) d.m = "q" in d ? d.q : 0; + // Convert day-of-week and week-of-year to day-of-year. if ("V" in d) { if (d.V < 1 || d.V > 53) return null; if (!("w" in d)) d.w = 1; if ("Z" in d) { - week = utcDate(newYear(d.y)), day$$1 = week.getUTCDay(); - week = day$$1 > 4 || day$$1 === 0 ? utcMonday.ceil(week) : utcMonday(week); + week = utcDate(newDate(d.y, 0, 1)), day$1 = week.getUTCDay(); + week = day$1 > 4 || day$1 === 0 ? utcMonday.ceil(week) : utcMonday(week); week = utcDay.offset(week, (d.V - 1) * 7); d.y = week.getUTCFullYear(); d.m = week.getUTCMonth(); d.d = week.getUTCDate() + (d.w + 6) % 7; } else { - week = newDate(newYear(d.y)), day$$1 = week.getDay(); - week = day$$1 > 4 || day$$1 === 0 ? monday.ceil(week) : monday(week); + week = localDate(newDate(d.y, 0, 1)), day$1 = week.getDay(); + week = day$1 > 4 || day$1 === 0 ? monday.ceil(week) : monday(week); week = day.offset(week, (d.V - 1) * 7); d.y = week.getFullYear(); d.m = week.getMonth(); @@ -13234,9 +13472,9 @@ function formatLocale$1(locale) { } } else if ("W" in d || "U" in d) { if (!("w" in d)) d.w = "u" in d ? d.u % 7 : "W" in d ? 1 : 0; - day$$1 = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay(); + day$1 = "Z" in d ? utcDate(newDate(d.y, 0, 1)).getUTCDay() : localDate(newDate(d.y, 0, 1)).getDay(); d.m = 0; - d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$$1 + 5) % 7 : d.w + d.U * 7 - (day$$1 + 6) % 7; + d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$1 + 5) % 7 : d.w + d.U * 7 - (day$1 + 6) % 7; } // If a time zone is specified, all fields are interpreted as UTC and then @@ -13248,7 +13486,7 @@ function formatLocale$1(locale) { } // Otherwise, all fields are in local time. - return newDate(d); + return localDate(d); }; } @@ -13331,6 +13569,10 @@ function formatLocale$1(locale) { return locale_periods[+(d.getHours() >= 12)]; } + function formatQuarter(d) { + return 1 + ~~(d.getMonth() / 3); + } + function formatUTCShortWeekday(d) { return locale_shortWeekdays[d.getUTCDay()]; } @@ -13351,6 +13593,10 @@ function formatLocale$1(locale) { return locale_periods[+(d.getUTCHours() >= 12)]; } + function formatUTCQuarter(d) { + return 1 + ~~(d.getUTCMonth() / 3); + } + return { format: function(specifier) { var f = newFormat(specifier += "", formats); @@ -13358,7 +13604,7 @@ function formatLocale$1(locale) { return f; }, parse: function(specifier) { - var p = newParse(specifier += "", localDate); + var p = newParse(specifier += "", false); p.toString = function() { return specifier; }; return p; }, @@ -13368,7 +13614,7 @@ function formatLocale$1(locale) { return f; }, utcParse: function(specifier) { - var p = newParse(specifier, utcDate); + var p = newParse(specifier += "", true); p.toString = function() { return specifier; }; return p; } @@ -13441,6 +13687,11 @@ function parseZone(d, string, i) { return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; } +function parseQuarter(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 1)); + return n ? (d.q = n[0] * 3 - 3, i + n[0].length) : -1; +} + function parseMonthNumber(d, string, i) { var n = numberRe.exec(string.slice(i, i + 2)); return n ? (d.m = n[0] - 1, i + n[0].length) : -1; @@ -13493,7 +13744,7 @@ function parseUnixTimestamp(d, string, i) { function parseUnixTimestampSeconds(d, string, i) { var n = numberRe.exec(string.slice(i)); - return n ? (d.Q = (+n[0]) * 1000, i + n[0].length) : -1; + return n ? (d.s = +n[0], i + n[0].length) : -1; } function formatDayOfMonth(d, p) { @@ -13533,17 +13784,17 @@ function formatSeconds(d, p) { } function formatWeekdayNumberMonday(d) { - var day$$1 = d.getDay(); - return day$$1 === 0 ? 7 : day$$1; + var day = d.getDay(); + return day === 0 ? 7 : day; } function formatWeekNumberSunday(d, p) { - return pad$1(sunday.count(year(d), d), p, 2); + return pad$1(sunday.count(year(d) - 1, d), p, 2); } function formatWeekNumberISO(d, p) { - var day$$1 = d.getDay(); - d = (day$$1 >= 4 || day$$1 === 0) ? thursday(d) : thursday.ceil(d); + var day = d.getDay(); + d = (day >= 4 || day === 0) ? thursday(d) : thursday.ceil(d); return pad$1(thursday.count(year(d), d) + (year(d).getDay() === 4), p, 2); } @@ -13552,7 +13803,7 @@ function formatWeekdayNumberSunday(d) { } function formatWeekNumberMonday(d, p) { - return pad$1(monday.count(year(d), d), p, 2); + return pad$1(monday.count(year(d) - 1, d), p, 2); } function formatYear$1(d, p) { @@ -13612,12 +13863,12 @@ function formatUTCWeekdayNumberMonday(d) { } function formatUTCWeekNumberSunday(d, p) { - return pad$1(utcSunday.count(utcYear(d), d), p, 2); + return pad$1(utcSunday.count(utcYear(d) - 1, d), p, 2); } function formatUTCWeekNumberISO(d, p) { - var day$$1 = d.getUTCDay(); - d = (day$$1 >= 4 || day$$1 === 0) ? utcThursday(d) : utcThursday.ceil(d); + var day = d.getUTCDay(); + d = (day >= 4 || day === 0) ? utcThursday(d) : utcThursday.ceil(d); return pad$1(utcThursday.count(utcYear(d), d) + (utcYear(d).getUTCDay() === 4), p, 2); } @@ -13626,7 +13877,7 @@ function formatUTCWeekdayNumberSunday(d) { } function formatUTCWeekNumberMonday(d, p) { - return pad$1(utcMonday.count(utcYear(d), d), p, 2); + return pad$1(utcMonday.count(utcYear(d) - 1, d), p, 2); } function formatUTCYear(d, p) { @@ -13710,7 +13961,7 @@ function number$3(t) { return t instanceof Date ? +t : +new Date(+t); } -function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format) { +function calendar(year, month, week, day, hour, minute, second, millisecond, format) { var scale = continuous(identity$6, identity$6), invert = scale.invert, domain = scale.domain; @@ -13725,33 +13976,33 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 formatYear = format("%Y"); var tickIntervals = [ - [second$$1, 1, durationSecond$1], - [second$$1, 5, 5 * durationSecond$1], - [second$$1, 15, 15 * durationSecond$1], - [second$$1, 30, 30 * durationSecond$1], - [minute$$1, 1, durationMinute$1], - [minute$$1, 5, 5 * durationMinute$1], - [minute$$1, 15, 15 * durationMinute$1], - [minute$$1, 30, 30 * durationMinute$1], - [ hour$$1, 1, durationHour$1 ], - [ hour$$1, 3, 3 * durationHour$1 ], - [ hour$$1, 6, 6 * durationHour$1 ], - [ hour$$1, 12, 12 * durationHour$1 ], - [ day$$1, 1, durationDay$1 ], - [ day$$1, 2, 2 * durationDay$1 ], + [second, 1, durationSecond$1], + [second, 5, 5 * durationSecond$1], + [second, 15, 15 * durationSecond$1], + [second, 30, 30 * durationSecond$1], + [minute, 1, durationMinute$1], + [minute, 5, 5 * durationMinute$1], + [minute, 15, 15 * durationMinute$1], + [minute, 30, 30 * durationMinute$1], + [ hour, 1, durationHour$1 ], + [ hour, 3, 3 * durationHour$1 ], + [ hour, 6, 6 * durationHour$1 ], + [ hour, 12, 12 * durationHour$1 ], + [ day, 1, durationDay$1 ], + [ day, 2, 2 * durationDay$1 ], [ week, 1, durationWeek$1 ], - [ month$$1, 1, durationMonth ], - [ month$$1, 3, 3 * durationMonth ], - [ year$$1, 1, durationYear ] + [ month, 1, durationMonth ], + [ month, 3, 3 * durationMonth ], + [ year, 1, durationYear ] ]; function tickFormat(date) { - return (second$$1(date) < date ? formatMillisecond - : minute$$1(date) < date ? formatSecond - : hour$$1(date) < date ? formatMinute - : day$$1(date) < date ? formatHour - : month$$1(date) < date ? (week(date) < date ? formatDay : formatWeek) - : year$$1(date) < date ? formatMonth + return (second(date) < date ? formatMillisecond + : minute(date) < date ? formatSecond + : hour(date) < date ? formatMinute + : day(date) < date ? formatHour + : month(date) < date ? (week(date) < date ? formatDay : formatWeek) + : year(date) < date ? formatMonth : formatYear)(date); } @@ -13766,14 +14017,14 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); if (i === tickIntervals.length) { step = tickStep(start / durationYear, stop / durationYear, interval); - interval = year$$1; + interval = year; } else if (i) { i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; step = i[1]; interval = i[0]; } else { step = Math.max(tickStep(start, stop, interval), 1); - interval = millisecond$$1; + interval = millisecond; } } @@ -13785,7 +14036,7 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 }; scale.domain = function(_) { - return arguments.length ? domain(map$2.call(_, number$3)) : domain().map(date$1); + return arguments.length ? domain(map$3.call(_, number$3)) : domain().map(date$1); }; scale.ticks = function(interval, step) { @@ -13812,7 +14063,7 @@ function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1 }; scale.copy = function() { - return copy(scale, calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format)); + return copy(scale, calendar(year, month, week, day, hour, minute, second, millisecond, format)); }; return scale; @@ -14050,6 +14301,8 @@ var Set2 = colors("66c2a5fc8d628da0cbe78ac3a6d854ffd92fe5c494b3b3b3"); var Set3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5ffed6f"); +var Tableau10 = colors("4e79a7f28e2ce1575976b7b259a14fedc949af7aa1ff9da79c755fbab0ab"); + function ramp(scheme) { return rgbBasis(scheme[scheme.length - 1]); } @@ -14396,6 +14649,15 @@ var scheme$q = new Array(3).concat( var Oranges = ramp(scheme$q); +function cividis(t) { + t = Math.max(0, Math.min(1, t)); + return "rgb(" + + Math.max(0, Math.min(255, Math.round(-4.54 - t * (35.34 - t * (2381.73 - t * (6402.7 - t * (7024.72 - t * 2710.57))))))) + ", " + + Math.max(0, Math.min(255, Math.round(32.49 + t * (170.73 + t * (52.82 - t * (131.46 - t * (176.58 - t * 67.37))))))) + ", " + + Math.max(0, Math.min(255, Math.round(81.24 + t * (442.36 - t * (2482.43 - t * (6167.24 - t * (6614.94 - t * 2475.67))))))) + + ")"; +} + var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); var warm = cubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); @@ -14426,6 +14688,15 @@ function sinebow(t) { return c$1 + ""; } +function turbo(t) { + t = Math.max(0, Math.min(1, t)); + return "rgb(" + + Math.max(0, Math.min(255, Math.round(34.61 + t * (1172.33 - t * (10793.56 - t * (33300.12 - t * (38394.49 - t * 14825.05))))))) + ", " + + Math.max(0, Math.min(255, Math.round(23.31 + t * (557.33 + t * (1225.33 - t * (3574.96 - t * (1073.77 + t * 707.56))))))) + ", " + + Math.max(0, Math.min(255, Math.round(27.2 + t * (3211.1 - t * (15327.97 - t * (27814 - t * (22569.18 - t * 6838.66))))))) + + ")"; +} + function ramp$1(range) { var n = range.length; return function(t) { @@ -14767,8 +15038,8 @@ function y$3(p) { } function line() { - var x$$1 = x$3, - y$$1 = y$3, + var x = x$3, + y = y$3, defined = constant$b(true), context = null, curve = curveLinear, @@ -14788,18 +15059,18 @@ function line() { if (defined0 = !defined0) output.lineStart(); else output.lineEnd(); } - if (defined0) output.point(+x$$1(d, i, data), +y$$1(d, i, data)); + if (defined0) output.point(+x(d, i, data), +y(d, i, data)); } if (buffer) return output = null, buffer + "" || null; } line.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$b(+_), line) : x$$1; + return arguments.length ? (x = typeof _ === "function" ? _ : constant$b(+_), line) : x; }; line.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$b(+_), line) : y$$1; + return arguments.length ? (y = typeof _ === "function" ? _ : constant$b(+_), line) : y; }; line.defined = function(_) { @@ -15099,14 +15370,14 @@ function linkTarget(d) { function link$2(curve) { var source = linkSource, target = linkTarget, - x$$1 = x$3, - y$$1 = y$3, + x = x$3, + y = y$3, context = null; function link() { var buffer, argv = slice$6.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); if (!context) context = buffer = path(); - curve(context, +x$$1.apply(this, (argv[0] = s, argv)), +y$$1.apply(this, argv), +x$$1.apply(this, (argv[0] = t, argv)), +y$$1.apply(this, argv)); + curve(context, +x.apply(this, (argv[0] = s, argv)), +y.apply(this, argv), +x.apply(this, (argv[0] = t, argv)), +y.apply(this, argv)); if (buffer) return context = null, buffer + "" || null; } @@ -15119,11 +15390,11 @@ function link$2(curve) { }; link.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$b(+_), link) : x$$1; + return arguments.length ? (x = typeof _ === "function" ? _ : constant$b(+_), link) : x; }; link.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$b(+_), link) : y$$1; + return arguments.length ? (y = typeof _ === "function" ? _ : constant$b(+_), link) : y; }; link.context = function(_) { @@ -15623,15 +15894,15 @@ CardinalClosed.prototype = { var cardinalClosed = (function custom(tension) { - function cardinal$$1(context) { + function cardinal(context) { return new CardinalClosed(context, tension); } - cardinal$$1.tension = function(tension) { + cardinal.tension = function(tension) { return custom(+tension); }; - return cardinal$$1; + return cardinal; })(0); function CardinalOpen(context, tension) { @@ -15671,15 +15942,15 @@ CardinalOpen.prototype = { var cardinalOpen = (function custom(tension) { - function cardinal$$1(context) { + function cardinal(context) { return new CardinalOpen(context, tension); } - cardinal$$1.tension = function(tension) { + cardinal.tension = function(tension) { return custom(+tension); }; - return cardinal$$1; + return cardinal; })(0); function point$4(that, x, y) { @@ -15828,15 +16099,15 @@ CatmullRomClosed.prototype = { var catmullRomClosed = (function custom(alpha) { - function catmullRom$$1(context) { + function catmullRom(context) { return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); } - catmullRom$$1.alpha = function(alpha) { + catmullRom.alpha = function(alpha) { return custom(+alpha); }; - return catmullRom$$1; + return catmullRom; })(0.5); function CatmullRomOpen(context, alpha) { @@ -15888,15 +16159,15 @@ CatmullRomOpen.prototype = { var catmullRomOpen = (function custom(alpha) { - function catmullRom$$1(context) { + function catmullRom(context) { return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); } - catmullRom$$1.alpha = function(alpha) { + catmullRom.alpha = function(alpha) { return custom(+alpha); }; - return catmullRom$$1; + return catmullRom; })(0.5); function LinearClosed(context) { @@ -16227,15 +16498,15 @@ function expand(series, order) { } function diverging$1(series, order) { - if (!((n = series.length) > 1)) return; + if (!((n = series.length) > 0)) return; for (var i, j = 0, d, dy, yp, yn, n, m = series[order[0]].length; j < m; ++j) { for (yp = yn = 0, i = 0; i < n; ++i) { - if ((dy = (d = series[order[i]][j])[1] - d[0]) >= 0) { + if ((dy = (d = series[order[i]][j])[1] - d[0]) > 0) { d[0] = yp, d[1] = yp += dy; } else if (dy < 0) { d[1] = yn, d[0] = yn += dy; } else { - d[0] = yp; + d[0] = 0, d[1] = dy; } } } @@ -17271,13 +17542,13 @@ Diagram.prototype = { }; function voronoi() { - var x$$1 = x$4, - y$$1 = y$4, + var x = x$4, + y = y$4, extent = null; function voronoi(data) { return new Diagram(data.map(function(d, i) { - var s = [Math.round(x$$1(d, i, data) / epsilon$4) * epsilon$4, Math.round(y$$1(d, i, data) / epsilon$4) * epsilon$4]; + var s = [Math.round(x(d, i, data) / epsilon$4) * epsilon$4, Math.round(y(d, i, data) / epsilon$4) * epsilon$4]; s.index = i; s.data = d; return s; @@ -17297,11 +17568,11 @@ function voronoi() { }; voronoi.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$c(+_), voronoi) : x$$1; + return arguments.length ? (x = typeof _ === "function" ? _ : constant$c(+_), voronoi) : x; }; voronoi.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$c(+_), voronoi) : y$$1; + return arguments.length ? (y = typeof _ === "function" ? _ : constant$c(+_), voronoi) : y; }; voronoi.extent = function(_) { @@ -17375,7 +17646,8 @@ var identity$9 = new Transform(1, 0, 0); transform$1.prototype = Transform.prototype; function transform$1(node) { - return node.__zoom || identity$9; + while (!node.__zoom) if (!(node = node.parentNode)) return identity$9; + return node.__zoom; } function nopropagation$2() { @@ -17389,20 +17661,20 @@ function noevent$2() { // Ignore right-click, since that should open the context menu. function defaultFilter$2() { - return !exports.event.button; + return !exports.event.ctrlKey && !exports.event.button; } function defaultExtent$1() { - var e = this, w, h; + var e = this; if (e instanceof SVGElement) { e = e.ownerSVGElement || e; - w = e.width.baseVal.value; - h = e.height.baseVal.value; - } else { - w = e.clientWidth; - h = e.clientHeight; + if (e.hasAttribute("viewBox")) { + e = e.viewBox.baseVal; + return [[e.x, e.y], [e.x + e.width, e.y + e.height]]; + } + return [[0, 0], [e.width.baseVal.value, e.height.baseVal.value]]; } - return [[0, 0], [w, h]]; + return [[0, 0], [e.clientWidth, e.clientHeight]]; } function defaultTransform() { @@ -17410,11 +17682,11 @@ function defaultTransform() { } function defaultWheelDelta() { - return -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500; + return -exports.event.deltaY * (exports.event.deltaMode === 1 ? 0.05 : exports.event.deltaMode ? 1 : 0.002); } -function defaultTouchable$1() { - return "ontouchstart" in this; +function defaultTouchable$2() { + return navigator.maxTouchPoints || ("ontouchstart" in this); } function defaultConstrain(transform, extent, translateExtent) { @@ -17433,12 +17705,11 @@ function zoom() { extent = defaultExtent$1, constrain = defaultConstrain, wheelDelta = defaultWheelDelta, - touchable = defaultTouchable$1, + touchable = defaultTouchable$2, scaleExtent = [0, Infinity], translateExtent = [[-Infinity, -Infinity], [Infinity, Infinity]], duration = 250, interpolate = interpolateZoom, - gestures = [], listeners = dispatch("start", "zoom", "end"), touchstarting, touchending, @@ -17446,8 +17717,8 @@ function zoom() { wheelDelay = 150, clickDistance2 = 0; - function zoom(selection$$1) { - selection$$1 + function zoom(selection) { + selection .property("__zoom", defaultTransform) .on("wheel.zoom", wheeled) .on("mousedown.zoom", mousedowned) @@ -17460,13 +17731,13 @@ function zoom() { .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); } - zoom.transform = function(collection, transform) { - var selection$$1 = collection.selection ? collection.selection() : collection; - selection$$1.property("__zoom", defaultTransform); - if (collection !== selection$$1) { - schedule(collection, transform); + zoom.transform = function(collection, transform, point) { + var selection = collection.selection ? collection.selection() : collection; + selection.property("__zoom", defaultTransform); + if (collection !== selection) { + schedule(collection, transform, point); } else { - selection$$1.interrupt().each(function() { + selection.interrupt().each(function() { gesture(this, arguments) .start() .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) @@ -17475,27 +17746,27 @@ function zoom() { } }; - zoom.scaleBy = function(selection$$1, k) { - zoom.scaleTo(selection$$1, function() { + zoom.scaleBy = function(selection, k, p) { + zoom.scaleTo(selection, function() { var k0 = this.__zoom.k, k1 = typeof k === "function" ? k.apply(this, arguments) : k; return k0 * k1; - }); + }, p); }; - zoom.scaleTo = function(selection$$1, k) { - zoom.transform(selection$$1, function() { + zoom.scaleTo = function(selection, k, p) { + zoom.transform(selection, function() { var e = extent.apply(this, arguments), t0 = this.__zoom, - p0 = centroid(e), + p0 = p == null ? centroid(e) : typeof p === "function" ? p.apply(this, arguments) : p, p1 = t0.invert(p0), k1 = typeof k === "function" ? k.apply(this, arguments) : k; return constrain(translate(scale(t0, k1), p0, p1), e, translateExtent); - }); + }, p); }; - zoom.translateBy = function(selection$$1, x, y) { - zoom.transform(selection$$1, function() { + zoom.translateBy = function(selection, x, y) { + zoom.transform(selection, function() { return constrain(this.__zoom.translate( typeof x === "function" ? x.apply(this, arguments) : x, typeof y === "function" ? y.apply(this, arguments) : y @@ -17503,16 +17774,16 @@ function zoom() { }); }; - zoom.translateTo = function(selection$$1, x, y) { - zoom.transform(selection$$1, function() { + zoom.translateTo = function(selection, x, y, p) { + zoom.transform(selection, function() { var e = extent.apply(this, arguments), t = this.__zoom, - p = centroid(e); - return constrain(identity$9.translate(p[0], p[1]).scale(t.k).translate( + p0 = p == null ? centroid(e) : typeof p === "function" ? p.apply(this, arguments) : p; + return constrain(identity$9.translate(p0[0], p0[1]).scale(t.k).translate( typeof x === "function" ? -x.apply(this, arguments) : -x, typeof y === "function" ? -y.apply(this, arguments) : -y ), e, translateExtent); - }); + }, p); }; function scale(transform, k) { @@ -17529,8 +17800,8 @@ function zoom() { return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; } - function schedule(transition$$1, transform, center) { - transition$$1 + function schedule(transition, transform, point) { + transition .on("start.zoom", function() { gesture(this, arguments).start(); }) .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) .tween("zoom", function() { @@ -17538,7 +17809,7 @@ function zoom() { args = arguments, g = gesture(that, args), e = extent.apply(that, args), - p = center || centroid(e), + p = point == null ? centroid(e) : typeof point === "function" ? point.apply(that, args) : point, w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), a = that.__zoom, b = typeof transform === "function" ? transform.apply(that, args) : transform, @@ -17551,27 +17822,22 @@ function zoom() { }); } - function gesture(that, args) { - for (var i = 0, n = gestures.length, g; i < n; ++i) { - if ((g = gestures[i]).that === that) { - return g; - } - } - return new Gesture(that, args); + function gesture(that, args, clean) { + return (!clean && that.__zooming) || new Gesture(that, args); } function Gesture(that, args) { this.that = that; this.args = args; - this.index = -1; this.active = 0; this.extent = extent.apply(that, args); + this.taps = 0; } Gesture.prototype = { start: function() { if (++this.active === 1) { - this.index = gestures.push(this) - 1; + this.that.__zooming = this; this.emit("start"); } return this; @@ -17586,8 +17852,7 @@ function zoom() { }, end: function() { if (--this.active === 0) { - gestures.splice(this.index, 1); - this.index = -1; + delete this.that.__zooming; this.emit("end"); } return this; @@ -17635,7 +17900,7 @@ function zoom() { function mousedowned() { if (touchending || !filter.apply(this, arguments)) return; - var g = gesture(this, arguments), + var g = gesture(this, arguments, true), v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), p = mouse(this), x0 = exports.event.clientX, @@ -17679,46 +17944,39 @@ function zoom() { function touchstarted() { if (!filter.apply(this, arguments)) return; - var g = gesture(this, arguments), - touches$$1 = exports.event.changedTouches, - started, - n = touches$$1.length, i, t, p; + var touches = exports.event.touches, + n = touches.length, + g = gesture(this, arguments, exports.event.changedTouches.length === n), + started, i, t, p; nopropagation$2(); for (i = 0; i < n; ++i) { - t = touches$$1[i], p = touch(this, touches$$1, t.identifier); + t = touches[i], p = touch(this, touches, t.identifier); p = [p, this.__zoom.invert(p), t.identifier]; - if (!g.touch0) g.touch0 = p, started = true; - else if (!g.touch1) g.touch1 = p; + if (!g.touch0) g.touch0 = p, started = true, g.taps = 1 + !!touchstarting; + else if (!g.touch1 && g.touch0[2] !== p[2]) g.touch1 = p, g.taps = 0; } - // If this is a dbltap, reroute to the (optional) dblclick.zoom handler. - if (touchstarting) { - touchstarting = clearTimeout(touchstarting); - if (!g.touch1) { - g.end(); - p = select(this).on("dblclick.zoom"); - if (p) p.apply(this, arguments); - return; - } - } + if (touchstarting) touchstarting = clearTimeout(touchstarting); if (started) { - touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); + if (g.taps < 2) touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); interrupt(this); g.start(); } } function touchmoved() { + if (!this.__zooming) return; var g = gesture(this, arguments), - touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, t, p, l; + touches = exports.event.changedTouches, + n = touches.length, i, t, p, l; noevent$2(); if (touchstarting) touchstarting = clearTimeout(touchstarting); + g.taps = 0; for (i = 0; i < n; ++i) { - t = touches$$1[i], p = touch(this, touches$$1, t.identifier); + t = touches[i], p = touch(this, touches, t.identifier); if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; } @@ -17738,21 +17996,29 @@ function zoom() { } function touchended() { + if (!this.__zooming) return; var g = gesture(this, arguments), - touches$$1 = exports.event.changedTouches, - n = touches$$1.length, i, t; + touches = exports.event.changedTouches, + n = touches.length, i, t; nopropagation$2(); if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, touchDelay); for (i = 0; i < n; ++i) { - t = touches$$1[i]; + t = touches[i]; if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; } if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1; if (g.touch0) g.touch0[1] = this.__zoom.invert(g.touch0[0]); - else g.end(); + else { + g.end(); + // If this was a dbltap, reroute to the (optional) dblclick.zoom handler. + if (g.taps === 2) { + var p = select(this).on("dblclick.zoom"); + if (p) p.apply(this, arguments); + } + } } zoom.wheelDelta = function(_) { @@ -17803,128 +18069,111 @@ function zoom() { return zoom; } -exports.version = version; -exports.bisect = bisectRight; -exports.bisectRight = bisectRight; -exports.bisectLeft = bisectLeft; +exports.FormatSpecifier = FormatSpecifier; +exports.active = active; +exports.arc = arc; +exports.area = area$3; +exports.areaRadial = areaRadial; exports.ascending = ascending; -exports.bisector = bisector; -exports.cross = cross; -exports.descending = descending; -exports.deviation = deviation; -exports.extent = extent; -exports.histogram = histogram; -exports.thresholdFreedmanDiaconis = freedmanDiaconis; -exports.thresholdScott = scott; -exports.thresholdSturges = thresholdSturges; -exports.max = max; -exports.mean = mean; -exports.median = median; -exports.merge = merge; -exports.min = min; -exports.pairs = pairs; -exports.permute = permute; -exports.quantile = threshold; -exports.range = sequence; -exports.scan = scan; -exports.shuffle = shuffle; -exports.sum = sum; -exports.ticks = ticks; -exports.tickIncrement = tickIncrement; -exports.tickStep = tickStep; -exports.transpose = transpose; -exports.variance = variance; -exports.zip = zip; -exports.axisTop = axisTop; -exports.axisRight = axisRight; +exports.autoType = autoType; exports.axisBottom = axisBottom; exports.axisLeft = axisLeft; +exports.axisRight = axisRight; +exports.axisTop = axisTop; +exports.bisect = bisectRight; +exports.bisectLeft = bisectLeft; +exports.bisectRight = bisectRight; +exports.bisector = bisector; +exports.blob = blob; exports.brush = brush; +exports.brushSelection = brushSelection; exports.brushX = brushX; exports.brushY = brushY; -exports.brushSelection = brushSelection; +exports.buffer = buffer; exports.chord = chord; -exports.ribbon = ribbon; -exports.nest = nest; -exports.set = set$2; -exports.map = map$1; -exports.keys = keys; -exports.values = values; -exports.entries = entries; +exports.clientPoint = point; +exports.cluster = cluster; exports.color = color; -exports.rgb = rgb; -exports.hsl = hsl; -exports.lab = lab; -exports.hcl = hcl; -exports.lch = lch; -exports.gray = gray; -exports.cubehelix = cubehelix; -exports.contours = contours; exports.contourDensity = density; +exports.contours = contours; +exports.create = create; +exports.creator = creator; +exports.cross = cross; +exports.csv = csv$1; +exports.csvFormat = csvFormat; +exports.csvFormatBody = csvFormatBody; +exports.csvFormatRow = csvFormatRow; +exports.csvFormatRows = csvFormatRows; +exports.csvFormatValue = csvFormatValue; +exports.csvParse = csvParse; +exports.csvParseRows = csvParseRows; +exports.cubehelix = cubehelix; +exports.curveBasis = basis$2; +exports.curveBasisClosed = basisClosed$1; +exports.curveBasisOpen = basisOpen; +exports.curveBundle = bundle; +exports.curveCardinal = cardinal; +exports.curveCardinalClosed = cardinalClosed; +exports.curveCardinalOpen = cardinalOpen; +exports.curveCatmullRom = catmullRom; +exports.curveCatmullRomClosed = catmullRomClosed; +exports.curveCatmullRomOpen = catmullRomOpen; +exports.curveLinear = curveLinear; +exports.curveLinearClosed = linearClosed; +exports.curveMonotoneX = monotoneX; +exports.curveMonotoneY = monotoneY; +exports.curveNatural = natural; +exports.curveStep = step; +exports.curveStepAfter = stepAfter; +exports.curveStepBefore = stepBefore; +exports.customEvent = customEvent; +exports.descending = descending; +exports.deviation = deviation; exports.dispatch = dispatch; exports.drag = drag; exports.dragDisable = dragDisable; exports.dragEnable = yesdrag; +exports.dsv = dsv; exports.dsvFormat = dsvFormat; -exports.csvParse = csvParse; -exports.csvParseRows = csvParseRows; -exports.csvFormat = csvFormat; -exports.csvFormatBody = csvFormatBody; -exports.csvFormatRows = csvFormatRows; -exports.tsvParse = tsvParse; -exports.tsvParseRows = tsvParseRows; -exports.tsvFormat = tsvFormat; -exports.tsvFormatBody = tsvFormatBody; -exports.tsvFormatRows = tsvFormatRows; -exports.autoType = autoType; -exports.easeLinear = linear$1; -exports.easeQuad = quadInOut; -exports.easeQuadIn = quadIn; -exports.easeQuadOut = quadOut; -exports.easeQuadInOut = quadInOut; +exports.easeBack = backInOut; +exports.easeBackIn = backIn; +exports.easeBackInOut = backInOut; +exports.easeBackOut = backOut; +exports.easeBounce = bounceOut; +exports.easeBounceIn = bounceIn; +exports.easeBounceInOut = bounceInOut; +exports.easeBounceOut = bounceOut; +exports.easeCircle = circleInOut; +exports.easeCircleIn = circleIn; +exports.easeCircleInOut = circleInOut; +exports.easeCircleOut = circleOut; exports.easeCubic = cubicInOut; exports.easeCubicIn = cubicIn; -exports.easeCubicOut = cubicOut; exports.easeCubicInOut = cubicInOut; +exports.easeCubicOut = cubicOut; +exports.easeElastic = elasticOut; +exports.easeElasticIn = elasticIn; +exports.easeElasticInOut = elasticInOut; +exports.easeElasticOut = elasticOut; +exports.easeExp = expInOut; +exports.easeExpIn = expIn; +exports.easeExpInOut = expInOut; +exports.easeExpOut = expOut; +exports.easeLinear = linear$1; exports.easePoly = polyInOut; exports.easePolyIn = polyIn; -exports.easePolyOut = polyOut; exports.easePolyInOut = polyInOut; +exports.easePolyOut = polyOut; +exports.easeQuad = quadInOut; +exports.easeQuadIn = quadIn; +exports.easeQuadInOut = quadInOut; +exports.easeQuadOut = quadOut; exports.easeSin = sinInOut; exports.easeSinIn = sinIn; -exports.easeSinOut = sinOut; exports.easeSinInOut = sinInOut; -exports.easeExp = expInOut; -exports.easeExpIn = expIn; -exports.easeExpOut = expOut; -exports.easeExpInOut = expInOut; -exports.easeCircle = circleInOut; -exports.easeCircleIn = circleIn; -exports.easeCircleOut = circleOut; -exports.easeCircleInOut = circleInOut; -exports.easeBounce = bounceOut; -exports.easeBounceIn = bounceIn; -exports.easeBounceOut = bounceOut; -exports.easeBounceInOut = bounceInOut; -exports.easeBack = backInOut; -exports.easeBackIn = backIn; -exports.easeBackOut = backOut; -exports.easeBackInOut = backInOut; -exports.easeElastic = elasticOut; -exports.easeElasticIn = elasticIn; -exports.easeElasticOut = elasticOut; -exports.easeElasticInOut = elasticInOut; -exports.blob = blob; -exports.buffer = buffer; -exports.dsv = dsv; -exports.csv = csv$1; -exports.tsv = tsv$1; -exports.image = image; -exports.json = json; -exports.text = text; -exports.xml = xml; -exports.html = html; -exports.svg = svg; +exports.easeSinOut = sinOut; +exports.entries = entries; +exports.extent = extent; exports.forceCenter = center$1; exports.forceCollide = collide; exports.forceLink = link; @@ -17936,10 +18185,13 @@ exports.forceY = y$2; exports.formatDefaultLocale = defaultLocale; exports.formatLocale = formatLocale; exports.formatSpecifier = formatSpecifier; -exports.precisionFixed = precisionFixed; -exports.precisionPrefix = precisionPrefix; -exports.precisionRound = precisionRound; +exports.geoAlbers = albers; +exports.geoAlbersUsa = albersUsa; exports.geoArea = area$1; +exports.geoAzimuthalEqualArea = azimuthalEqualArea; +exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw; +exports.geoAzimuthalEquidistant = azimuthalEquidistant; +exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; exports.geoBounds = bounds; exports.geoCentroid = centroid; exports.geoCircle = circle; @@ -17947,260 +18199,243 @@ exports.geoClipAntimeridian = clipAntimeridian; exports.geoClipCircle = clipCircle; exports.geoClipExtent = extent$1; exports.geoClipRectangle = clipRectangle; -exports.geoContains = contains$1; -exports.geoDistance = distance; -exports.geoGraticule = graticule; -exports.geoGraticule10 = graticule10; -exports.geoInterpolate = interpolate$1; -exports.geoLength = length$1; -exports.geoPath = index$1; -exports.geoAlbers = albers; -exports.geoAlbersUsa = albersUsa; -exports.geoAzimuthalEqualArea = azimuthalEqualArea; -exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw; -exports.geoAzimuthalEquidistant = azimuthalEquidistant; -exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; exports.geoConicConformal = conicConformal; exports.geoConicConformalRaw = conicConformalRaw; exports.geoConicEqualArea = conicEqualArea; exports.geoConicEqualAreaRaw = conicEqualAreaRaw; exports.geoConicEquidistant = conicEquidistant; exports.geoConicEquidistantRaw = conicEquidistantRaw; +exports.geoContains = contains$1; +exports.geoDistance = distance; exports.geoEqualEarth = equalEarth; exports.geoEqualEarthRaw = equalEarthRaw; exports.geoEquirectangular = equirectangular; exports.geoEquirectangularRaw = equirectangularRaw; exports.geoGnomonic = gnomonic; exports.geoGnomonicRaw = gnomonicRaw; +exports.geoGraticule = graticule; +exports.geoGraticule10 = graticule10; exports.geoIdentity = identity$5; -exports.geoProjection = projection; -exports.geoProjectionMutator = projectionMutator; +exports.geoInterpolate = interpolate$1; +exports.geoLength = length$1; exports.geoMercator = mercator; exports.geoMercatorRaw = mercatorRaw; exports.geoNaturalEarth1 = naturalEarth1; exports.geoNaturalEarth1Raw = naturalEarth1Raw; exports.geoOrthographic = orthographic; exports.geoOrthographicRaw = orthographicRaw; +exports.geoPath = index$1; +exports.geoProjection = projection; +exports.geoProjectionMutator = projectionMutator; +exports.geoRotation = rotation; exports.geoStereographic = stereographic; exports.geoStereographicRaw = stereographicRaw; -exports.geoTransverseMercator = transverseMercator; -exports.geoTransverseMercatorRaw = transverseMercatorRaw; -exports.geoRotation = rotation; exports.geoStream = geoStream; exports.geoTransform = transform; -exports.cluster = cluster; +exports.geoTransverseMercator = transverseMercator; +exports.geoTransverseMercatorRaw = transverseMercatorRaw; +exports.gray = gray; +exports.hcl = hcl; exports.hierarchy = hierarchy; -exports.pack = index$2; -exports.packSiblings = siblings; -exports.packEnclose = enclose; -exports.partition = partition; -exports.stratify = stratify; -exports.tree = tree; -exports.treemap = index$3; -exports.treemapBinary = binary; -exports.treemapDice = treemapDice; -exports.treemapSlice = treemapSlice; -exports.treemapSliceDice = sliceDice; -exports.treemapSquarify = squarify; -exports.treemapResquarify = resquarify; +exports.histogram = histogram; +exports.hsl = hsl; +exports.html = html; +exports.image = image; exports.interpolate = interpolateValue; exports.interpolateArray = array$1; exports.interpolateBasis = basis$1; exports.interpolateBasisClosed = basisClosed; +exports.interpolateBlues = Blues; +exports.interpolateBrBG = BrBG; +exports.interpolateBuGn = BuGn; +exports.interpolateBuPu = BuPu; +exports.interpolateCividis = cividis; +exports.interpolateCool = cool; +exports.interpolateCubehelix = cubehelix$2; +exports.interpolateCubehelixDefault = cubehelix$3; +exports.interpolateCubehelixLong = cubehelixLong; exports.interpolateDate = date; exports.interpolateDiscrete = discrete; +exports.interpolateGnBu = GnBu; +exports.interpolateGreens = Greens; +exports.interpolateGreys = Greys; +exports.interpolateHcl = hcl$2; +exports.interpolateHclLong = hclLong; +exports.interpolateHsl = hsl$2; +exports.interpolateHslLong = hslLong; exports.interpolateHue = hue$1; +exports.interpolateInferno = inferno; +exports.interpolateLab = lab$1; +exports.interpolateMagma = magma; exports.interpolateNumber = interpolateNumber; +exports.interpolateNumberArray = numberArray; exports.interpolateObject = object; +exports.interpolateOrRd = OrRd; +exports.interpolateOranges = Oranges; +exports.interpolatePRGn = PRGn; +exports.interpolatePiYG = PiYG; +exports.interpolatePlasma = plasma; +exports.interpolatePuBu = PuBu; +exports.interpolatePuBuGn = PuBuGn; +exports.interpolatePuOr = PuOr; +exports.interpolatePuRd = PuRd; +exports.interpolatePurples = Purples; +exports.interpolateRainbow = rainbow; +exports.interpolateRdBu = RdBu; +exports.interpolateRdGy = RdGy; +exports.interpolateRdPu = RdPu; +exports.interpolateRdYlBu = RdYlBu; +exports.interpolateRdYlGn = RdYlGn; +exports.interpolateReds = Reds; +exports.interpolateRgb = interpolateRgb; +exports.interpolateRgbBasis = rgbBasis; +exports.interpolateRgbBasisClosed = rgbBasisClosed; exports.interpolateRound = interpolateRound; +exports.interpolateSinebow = sinebow; +exports.interpolateSpectral = Spectral; exports.interpolateString = interpolateString; exports.interpolateTransformCss = interpolateTransformCss; exports.interpolateTransformSvg = interpolateTransformSvg; +exports.interpolateTurbo = turbo; +exports.interpolateViridis = viridis; +exports.interpolateWarm = warm; +exports.interpolateYlGn = YlGn; +exports.interpolateYlGnBu = YlGnBu; +exports.interpolateYlOrBr = YlOrBr; +exports.interpolateYlOrRd = YlOrRd; exports.interpolateZoom = interpolateZoom; -exports.interpolateRgb = interpolateRgb; -exports.interpolateRgbBasis = rgbBasis; -exports.interpolateRgbBasisClosed = rgbBasisClosed; -exports.interpolateHsl = hsl$2; -exports.interpolateHslLong = hslLong; -exports.interpolateLab = lab$1; -exports.interpolateHcl = hcl$2; -exports.interpolateHclLong = hclLong; -exports.interpolateCubehelix = cubehelix$2; -exports.interpolateCubehelixLong = cubehelixLong; -exports.piecewise = piecewise; -exports.quantize = quantize; -exports.path = path; -exports.polygonArea = area$2; -exports.polygonCentroid = centroid$1; -exports.polygonHull = hull; -exports.polygonContains = contains$2; -exports.polygonLength = length$2; -exports.quadtree = quadtree; -exports.randomUniform = uniform; -exports.randomNormal = normal; -exports.randomLogNormal = logNormal; +exports.interrupt = interrupt; +exports.interval = interval$1; +exports.isoFormat = formatIso; +exports.isoParse = parseIso; +exports.json = json; +exports.keys = keys; +exports.lab = lab; +exports.lch = lch; +exports.line = line; +exports.lineRadial = lineRadial$1; +exports.linkHorizontal = linkHorizontal; +exports.linkRadial = linkRadial; +exports.linkVertical = linkVertical; +exports.local = local; +exports.map = map$1; +exports.matcher = matcher; +exports.max = max; +exports.mean = mean; +exports.median = median; +exports.merge = merge; +exports.min = min; +exports.mouse = mouse; +exports.namespace = namespace; +exports.namespaces = namespaces; +exports.nest = nest; +exports.now = now; +exports.pack = index$2; +exports.packEnclose = enclose; +exports.packSiblings = siblings; +exports.pairs = pairs; +exports.partition = partition; +exports.path = path; +exports.permute = permute; +exports.pie = pie; +exports.piecewise = piecewise; +exports.pointRadial = pointRadial; +exports.polygonArea = area$2; +exports.polygonCentroid = centroid$1; +exports.polygonContains = contains$2; +exports.polygonHull = hull; +exports.polygonLength = length$2; +exports.precisionFixed = precisionFixed; +exports.precisionPrefix = precisionPrefix; +exports.precisionRound = precisionRound; +exports.quadtree = quadtree; +exports.quantile = threshold; +exports.quantize = quantize; +exports.radialArea = areaRadial; +exports.radialLine = lineRadial$1; exports.randomBates = bates; -exports.randomIrwinHall = irwinHall; exports.randomExponential = exponential$1; +exports.randomIrwinHall = irwinHall; +exports.randomLogNormal = logNormal; +exports.randomNormal = normal; +exports.randomUniform = uniform; +exports.range = sequence; +exports.rgb = rgb; +exports.ribbon = ribbon; exports.scaleBand = band; -exports.scalePoint = point$1; +exports.scaleDiverging = diverging; +exports.scaleDivergingLog = divergingLog; +exports.scaleDivergingPow = divergingPow; +exports.scaleDivergingSqrt = divergingSqrt; +exports.scaleDivergingSymlog = divergingSymlog; exports.scaleIdentity = identity$7; +exports.scaleImplicit = implicit; exports.scaleLinear = linear$2; exports.scaleLog = log$1; -exports.scaleSymlog = symlog; exports.scaleOrdinal = ordinal; -exports.scaleImplicit = implicit; +exports.scalePoint = point$1; exports.scalePow = pow$1; -exports.scaleSqrt = sqrt$1; -exports.scaleQuantile = quantile$$1; +exports.scaleQuantile = quantile; exports.scaleQuantize = quantize$1; -exports.scaleThreshold = threshold$1; -exports.scaleTime = time; -exports.scaleUtc = utcTime; exports.scaleSequential = sequential; exports.scaleSequentialLog = sequentialLog; exports.scaleSequentialPow = sequentialPow; +exports.scaleSequentialQuantile = sequentialQuantile; exports.scaleSequentialSqrt = sequentialSqrt; exports.scaleSequentialSymlog = sequentialSymlog; -exports.scaleSequentialQuantile = sequentialQuantile; -exports.scaleDiverging = diverging; -exports.scaleDivergingLog = divergingLog; -exports.scaleDivergingPow = divergingPow; -exports.scaleDivergingSqrt = divergingSqrt; -exports.scaleDivergingSymlog = divergingSymlog; -exports.tickFormat = tickFormat; -exports.schemeCategory10 = category10; +exports.scaleSqrt = sqrt$1; +exports.scaleSymlog = symlog; +exports.scaleThreshold = threshold$1; +exports.scaleTime = time; +exports.scaleUtc = utcTime; +exports.scan = scan; exports.schemeAccent = Accent; +exports.schemeBlues = scheme$l; +exports.schemeBrBG = scheme; +exports.schemeBuGn = scheme$9; +exports.schemeBuPu = scheme$a; +exports.schemeCategory10 = category10; exports.schemeDark2 = Dark2; +exports.schemeGnBu = scheme$b; +exports.schemeGreens = scheme$m; +exports.schemeGreys = scheme$n; +exports.schemeOrRd = scheme$c; +exports.schemeOranges = scheme$q; +exports.schemePRGn = scheme$1; exports.schemePaired = Paired; exports.schemePastel1 = Pastel1; exports.schemePastel2 = Pastel2; -exports.schemeSet1 = Set1; -exports.schemeSet2 = Set2; -exports.schemeSet3 = Set3; -exports.interpolateBrBG = BrBG; -exports.schemeBrBG = scheme; -exports.interpolatePRGn = PRGn; -exports.schemePRGn = scheme$1; -exports.interpolatePiYG = PiYG; exports.schemePiYG = scheme$2; -exports.interpolatePuOr = PuOr; +exports.schemePuBu = scheme$e; +exports.schemePuBuGn = scheme$d; exports.schemePuOr = scheme$3; -exports.interpolateRdBu = RdBu; +exports.schemePuRd = scheme$f; +exports.schemePurples = scheme$o; exports.schemeRdBu = scheme$4; -exports.interpolateRdGy = RdGy; exports.schemeRdGy = scheme$5; -exports.interpolateRdYlBu = RdYlBu; +exports.schemeRdPu = scheme$g; exports.schemeRdYlBu = scheme$6; -exports.interpolateRdYlGn = RdYlGn; exports.schemeRdYlGn = scheme$7; -exports.interpolateSpectral = Spectral; +exports.schemeReds = scheme$p; +exports.schemeSet1 = Set1; +exports.schemeSet2 = Set2; +exports.schemeSet3 = Set3; exports.schemeSpectral = scheme$8; -exports.interpolateBuGn = BuGn; -exports.schemeBuGn = scheme$9; -exports.interpolateBuPu = BuPu; -exports.schemeBuPu = scheme$a; -exports.interpolateGnBu = GnBu; -exports.schemeGnBu = scheme$b; -exports.interpolateOrRd = OrRd; -exports.schemeOrRd = scheme$c; -exports.interpolatePuBuGn = PuBuGn; -exports.schemePuBuGn = scheme$d; -exports.interpolatePuBu = PuBu; -exports.schemePuBu = scheme$e; -exports.interpolatePuRd = PuRd; -exports.schemePuRd = scheme$f; -exports.interpolateRdPu = RdPu; -exports.schemeRdPu = scheme$g; -exports.interpolateYlGnBu = YlGnBu; -exports.schemeYlGnBu = scheme$h; -exports.interpolateYlGn = YlGn; +exports.schemeTableau10 = Tableau10; exports.schemeYlGn = scheme$i; -exports.interpolateYlOrBr = YlOrBr; +exports.schemeYlGnBu = scheme$h; exports.schemeYlOrBr = scheme$j; -exports.interpolateYlOrRd = YlOrRd; exports.schemeYlOrRd = scheme$k; -exports.interpolateBlues = Blues; -exports.schemeBlues = scheme$l; -exports.interpolateGreens = Greens; -exports.schemeGreens = scheme$m; -exports.interpolateGreys = Greys; -exports.schemeGreys = scheme$n; -exports.interpolatePurples = Purples; -exports.schemePurples = scheme$o; -exports.interpolateReds = Reds; -exports.schemeReds = scheme$p; -exports.interpolateOranges = Oranges; -exports.schemeOranges = scheme$q; -exports.interpolateCubehelixDefault = cubehelix$3; -exports.interpolateRainbow = rainbow; -exports.interpolateWarm = warm; -exports.interpolateCool = cool; -exports.interpolateSinebow = sinebow; -exports.interpolateViridis = viridis; -exports.interpolateMagma = magma; -exports.interpolateInferno = inferno; -exports.interpolatePlasma = plasma; -exports.create = create; -exports.creator = creator; -exports.local = local; -exports.matcher = matcher; -exports.mouse = mouse; -exports.namespace = namespace; -exports.namespaces = namespaces; -exports.clientPoint = point; exports.select = select; exports.selectAll = selectAll; exports.selection = selection; exports.selector = selector; exports.selectorAll = selectorAll; -exports.style = styleValue; -exports.touch = touch; -exports.touches = touches; -exports.window = defaultView; -exports.customEvent = customEvent; -exports.arc = arc; -exports.area = area$3; -exports.line = line; -exports.pie = pie; -exports.areaRadial = areaRadial; -exports.radialArea = areaRadial; -exports.lineRadial = lineRadial$1; -exports.radialLine = lineRadial$1; -exports.pointRadial = pointRadial; -exports.linkHorizontal = linkHorizontal; -exports.linkVertical = linkVertical; -exports.linkRadial = linkRadial; -exports.symbol = symbol; -exports.symbols = symbols; -exports.symbolCircle = circle$2; -exports.symbolCross = cross$2; -exports.symbolDiamond = diamond; -exports.symbolSquare = square; -exports.symbolStar = star; -exports.symbolTriangle = triangle; -exports.symbolWye = wye; -exports.curveBasisClosed = basisClosed$1; -exports.curveBasisOpen = basisOpen; -exports.curveBasis = basis$2; -exports.curveBundle = bundle; -exports.curveCardinalClosed = cardinalClosed; -exports.curveCardinalOpen = cardinalOpen; -exports.curveCardinal = cardinal; -exports.curveCatmullRomClosed = catmullRomClosed; -exports.curveCatmullRomOpen = catmullRomOpen; -exports.curveCatmullRom = catmullRom; -exports.curveLinearClosed = linearClosed; -exports.curveLinear = curveLinear; -exports.curveMonotoneX = monotoneX; -exports.curveMonotoneY = monotoneY; -exports.curveNatural = natural; -exports.curveStep = step; -exports.curveStepAfter = stepAfter; -exports.curveStepBefore = stepBefore; +exports.set = set$2; +exports.shuffle = shuffle; exports.stack = stack; -exports.stackOffsetExpand = expand; exports.stackOffsetDiverging = diverging$1; +exports.stackOffsetExpand = expand; exports.stackOffsetNone = none$1; exports.stackOffsetSilhouette = silhouette; exports.stackOffsetWiggle = wiggle; @@ -18210,84 +18445,124 @@ exports.stackOrderDescending = descending$2; exports.stackOrderInsideOut = insideOut; exports.stackOrderNone = none$2; exports.stackOrderReverse = reverse; +exports.stratify = stratify; +exports.style = styleValue; +exports.sum = sum; +exports.svg = svg; +exports.symbol = symbol; +exports.symbolCircle = circle$2; +exports.symbolCross = cross$2; +exports.symbolDiamond = diamond; +exports.symbolSquare = square; +exports.symbolStar = star; +exports.symbolTriangle = triangle; +exports.symbolWye = wye; +exports.symbols = symbols; +exports.text = text; +exports.thresholdFreedmanDiaconis = freedmanDiaconis; +exports.thresholdScott = scott; +exports.thresholdSturges = thresholdSturges; +exports.tickFormat = tickFormat; +exports.tickIncrement = tickIncrement; +exports.tickStep = tickStep; +exports.ticks = ticks; +exports.timeDay = day; +exports.timeDays = days; +exports.timeFormatDefaultLocale = defaultLocale$1; +exports.timeFormatLocale = formatLocale$1; +exports.timeFriday = friday; +exports.timeFridays = fridays; +exports.timeHour = hour; +exports.timeHours = hours; exports.timeInterval = newInterval; exports.timeMillisecond = millisecond; exports.timeMilliseconds = milliseconds; -exports.utcMillisecond = millisecond; -exports.utcMilliseconds = milliseconds; -exports.timeSecond = second; -exports.timeSeconds = seconds; -exports.utcSecond = second; -exports.utcSeconds = seconds; exports.timeMinute = minute; exports.timeMinutes = minutes; -exports.timeHour = hour; -exports.timeHours = hours; -exports.timeDay = day; -exports.timeDays = days; -exports.timeWeek = sunday; -exports.timeWeeks = sundays; -exports.timeSunday = sunday; -exports.timeSundays = sundays; exports.timeMonday = monday; exports.timeMondays = mondays; +exports.timeMonth = month; +exports.timeMonths = months; +exports.timeSaturday = saturday; +exports.timeSaturdays = saturdays; +exports.timeSecond = second; +exports.timeSeconds = seconds; +exports.timeSunday = sunday; +exports.timeSundays = sundays; +exports.timeThursday = thursday; +exports.timeThursdays = thursdays; exports.timeTuesday = tuesday; exports.timeTuesdays = tuesdays; exports.timeWednesday = wednesday; exports.timeWednesdays = wednesdays; -exports.timeThursday = thursday; -exports.timeThursdays = thursdays; -exports.timeFriday = friday; -exports.timeFridays = fridays; -exports.timeSaturday = saturday; -exports.timeSaturdays = saturdays; -exports.timeMonth = month; -exports.timeMonths = months; +exports.timeWeek = sunday; +exports.timeWeeks = sundays; exports.timeYear = year; exports.timeYears = years; -exports.utcMinute = utcMinute; -exports.utcMinutes = utcMinutes; -exports.utcHour = utcHour; -exports.utcHours = utcHours; +exports.timeout = timeout$1; +exports.timer = timer; +exports.timerFlush = timerFlush; +exports.touch = touch; +exports.touches = touches; +exports.transition = transition; +exports.transpose = transpose; +exports.tree = tree; +exports.treemap = index$3; +exports.treemapBinary = binary; +exports.treemapDice = treemapDice; +exports.treemapResquarify = resquarify; +exports.treemapSlice = treemapSlice; +exports.treemapSliceDice = sliceDice; +exports.treemapSquarify = squarify; +exports.tsv = tsv$1; +exports.tsvFormat = tsvFormat; +exports.tsvFormatBody = tsvFormatBody; +exports.tsvFormatRow = tsvFormatRow; +exports.tsvFormatRows = tsvFormatRows; +exports.tsvFormatValue = tsvFormatValue; +exports.tsvParse = tsvParse; +exports.tsvParseRows = tsvParseRows; exports.utcDay = utcDay; exports.utcDays = utcDays; -exports.utcWeek = utcSunday; -exports.utcWeeks = utcSundays; -exports.utcSunday = utcSunday; -exports.utcSundays = utcSundays; +exports.utcFriday = utcFriday; +exports.utcFridays = utcFridays; +exports.utcHour = utcHour; +exports.utcHours = utcHours; +exports.utcMillisecond = millisecond; +exports.utcMilliseconds = milliseconds; +exports.utcMinute = utcMinute; +exports.utcMinutes = utcMinutes; exports.utcMonday = utcMonday; exports.utcMondays = utcMondays; +exports.utcMonth = utcMonth; +exports.utcMonths = utcMonths; +exports.utcSaturday = utcSaturday; +exports.utcSaturdays = utcSaturdays; +exports.utcSecond = second; +exports.utcSeconds = seconds; +exports.utcSunday = utcSunday; +exports.utcSundays = utcSundays; +exports.utcThursday = utcThursday; +exports.utcThursdays = utcThursdays; exports.utcTuesday = utcTuesday; exports.utcTuesdays = utcTuesdays; exports.utcWednesday = utcWednesday; exports.utcWednesdays = utcWednesdays; -exports.utcThursday = utcThursday; -exports.utcThursdays = utcThursdays; -exports.utcFriday = utcFriday; -exports.utcFridays = utcFridays; -exports.utcSaturday = utcSaturday; -exports.utcSaturdays = utcSaturdays; -exports.utcMonth = utcMonth; -exports.utcMonths = utcMonths; +exports.utcWeek = utcSunday; +exports.utcWeeks = utcSundays; exports.utcYear = utcYear; exports.utcYears = utcYears; -exports.timeFormatDefaultLocale = defaultLocale$1; -exports.timeFormatLocale = formatLocale$1; -exports.isoFormat = formatIso; -exports.isoParse = parseIso; -exports.now = now; -exports.timer = timer; -exports.timerFlush = timerFlush; -exports.timeout = timeout$1; -exports.interval = interval$1; -exports.transition = transition; -exports.active = active; -exports.interrupt = interrupt; +exports.values = values; +exports.variance = variance; +exports.version = version; exports.voronoi = voronoi; +exports.window = defaultView; +exports.xml = xml; +exports.zip = zip; exports.zoom = zoom; -exports.zoomTransform = transform$1; exports.zoomIdentity = identity$9; +exports.zoomTransform = transform$1; Object.defineProperty(exports, '__esModule', { value: true }); -}))); +})); diff --git a/app/assets/javascripts/d3.v5.min.js b/app/assets/javascripts/d3.v5.min.js index 6b882ae..344d26c 100644 --- a/app/assets/javascripts/d3.v5.min.js +++ b/app/assets/javascripts/d3.v5.min.js @@ -1,2 +1,2 @@ -// https://d3js.org v5.9.2 Copyright 2019 Mike Bostock -!function(t,n){"object"==typeof exports&&"undefined"!=typeof module?n(exports):"function"==typeof define&&define.amd?define(["exports"],n):n(t.d3=t.d3||{})}(this,function(t){"use strict";function n(t,n){return tn?1:t>=n?0:NaN}function e(t){var e;return 1===t.length&&(e=t,t=function(t,r){return n(e(t),r)}),{left:function(n,e,r,i){for(null==r&&(r=0),null==i&&(i=n.length);r>>1;t(n[o],e)<0?r=o+1:i=o}return 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files changed, 20676 insertions(+), 18368 deletions(-) delete mode 100644 app/assets/javascripts/d3.v5.min.js rename app/assets/javascripts/{d3.v5.js => d3.v6.js} (70%) create mode 100644 app/assets/javascripts/d3.v6.min.js diff --git a/CHANGELOG.md b/CHANGELOG.md index e7f0798..d22cda6 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,7 @@ +## 6.6.2 (3 April 2021) +* Update updater to update to version 6 +* Upgrade D3 to 6.6.3 + ## 5.16.0 (31 March 2021) * Upgrade D3 to 5.16.0 diff --git a/README.md b/README.md index dfa1ef1..42fa4a1 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 5.16.0 of D3.js. The d3-rails version will +d3-rails comes with version 6.6.2 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/Rakefile b/Rakefile index aa12fa4..e4c8d97 100644 --- a/Rakefile +++ b/Rakefile @@ -4,10 +4,10 @@ Bundler::GemHelper.install_tasks namespace :d3 do desc 'Update d3 version' task :update_version do - `curl -o app/assets/javascripts/d3.js https://d3js.org/d3.v5.js` - `curl -o app/assets/javascripts/d3.min.js https://d3js.org/d3.v5.min.js` - `cp app/assets/javascripts/d3.js app/assets/javascripts/d3.v5.js` - `cp app/assets/javascripts/d3.min.js app/assets/javascripts/d3.v5.min.js` + `curl -o app/assets/javascripts/d3.js https://d3js.org/d3.v6.js` + `curl -o app/assets/javascripts/d3.min.js https://d3js.org/d3.v6.min.js` + `cp app/assets/javascripts/d3.js app/assets/javascripts/d3.v6.js` + `cp app/assets/javascripts/d3.min.js app/assets/javascripts/d3.v6.min.js` version = File.open("app/assets/javascripts/d3.js") { |f| f.each_line.lazy.select { |line| line.match(/((\d+\.)(\d+\.)(\*|\d+))/) diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index 632b3fa..1c16be0 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,193 +1,438 @@ -// https://d3js.org v5.16.0 Copyright 2020 Mike Bostock +// https://d3js.org v6.6.2 Copyright 2021 Mike Bostock (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : -(global = global || self, factory(global.d3 = global.d3 || {})); -}(this, function (exports) { 'use strict'; +(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.d3 = global.d3 || {})); +}(this, (function (exports) { 'use strict'; -var version = "5.16.0"; +var version = "6.6.2"; -function ascending(a, b) { +function ascending$3(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; } -function bisector(compare) { - if (compare.length === 1) compare = ascendingComparator(compare); - return { - left: function(a, x, lo, hi) { - if (lo == null) lo = 0; - if (hi == null) hi = a.length; - while (lo < hi) { - var mid = lo + hi >>> 1; - if (compare(a[mid], x) < 0) lo = mid + 1; - else hi = mid; - } - return lo; - }, - right: function(a, x, lo, hi) { - if (lo == null) lo = 0; - if (hi == null) hi = a.length; - while (lo < hi) { - var mid = lo + hi >>> 1; - if (compare(a[mid], x) > 0) hi = mid; - else lo = mid + 1; - } - return lo; +function bisector(f) { + let delta = f; + let compare = f; + + if (f.length === 1) { + delta = (d, x) => f(d) - x; + compare = ascendingComparator(f); + } + + function left(a, x, lo, hi) { + if (lo == null) lo = 0; + if (hi == null) hi = a.length; + while (lo < hi) { + const mid = (lo + hi) >>> 1; + if (compare(a[mid], x) < 0) lo = mid + 1; + else hi = mid; } - }; + return lo; + } + + function right(a, x, lo, hi) { + if (lo == null) lo = 0; + if (hi == null) hi = a.length; + while (lo < hi) { + const mid = (lo + hi) >>> 1; + if (compare(a[mid], x) > 0) hi = mid; + else lo = mid + 1; + } + return lo; + } + + function center(a, x, lo, hi) { + if (lo == null) lo = 0; + if (hi == null) hi = a.length; + const i = left(a, x, lo, hi - 1); + return i > lo && delta(a[i - 1], x) > -delta(a[i], x) ? i - 1 : i; + } + + return {left, center, right}; } function ascendingComparator(f) { - return function(d, x) { - return ascending(f(d), x); - }; + return (d, x) => ascending$3(f(d), x); } -var ascendingBisect = bisector(ascending); -var bisectRight = ascendingBisect.right; -var bisectLeft = ascendingBisect.left; +function number$3(x) { + return x === null ? NaN : +x; +} -function pairs(array, f) { - if (f == null) f = pair; - var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n); - while (i < n) pairs[i] = f(p, p = array[++i]); - return pairs; +function* numbers(values, valueof) { + if (valueof === undefined) { + for (let value of values) { + if (value != null && (value = +value) >= value) { + yield value; + } + } + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) { + yield value; + } + } + } } -function pair(a, b) { - return [a, b]; +const ascendingBisect = bisector(ascending$3); +const bisectRight = ascendingBisect.right; +const bisectLeft = ascendingBisect.left; +const bisectCenter = bisector(number$3).center; + +function count$1(values, valueof) { + let count = 0; + if (valueof === undefined) { + for (let value of values) { + if (value != null && (value = +value) >= value) { + ++count; + } + } + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) { + ++count; + } + } + } + return count; } -function cross(values0, values1, reduce) { - var n0 = values0.length, - n1 = values1.length, - values = new Array(n0 * n1), - i0, - i1, - i, - value0; +function length$3(array) { + return array.length | 0; +} + +function empty$2(length) { + return !(length > 0); +} + +function arrayify(values) { + return typeof values !== "object" || "length" in values ? values : Array.from(values); +} - if (reduce == null) reduce = pair; +function reducer(reduce) { + return values => reduce(...values); +} - for (i0 = i = 0; i0 < n0; ++i0) { - for (value0 = values0[i0], i1 = 0; i1 < n1; ++i1, ++i) { - values[i] = reduce(value0, values1[i1]); +function cross$2(...values) { + const reduce = typeof values[values.length - 1] === "function" && reducer(values.pop()); + values = values.map(arrayify); + const lengths = values.map(length$3); + const j = values.length - 1; + const index = new Array(j + 1).fill(0); + const product = []; + if (j < 0 || lengths.some(empty$2)) return product; + while (true) { + product.push(index.map((j, i) => values[i][j])); + let i = j; + while (++index[i] === lengths[i]) { + if (i === 0) return reduce ? product.map(reduce) : product; + index[i--] = 0; } } - - return values; } -function descending(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; +function cumsum(values, valueof) { + var sum = 0, index = 0; + return Float64Array.from(values, valueof === undefined + ? v => (sum += +v || 0) + : v => (sum += +valueof(v, index++, values) || 0)); } -function number(x) { - return x === null ? NaN : +x; +function descending$2(a, b) { + return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; } function variance(values, valueof) { - var n = values.length, - m = 0, - i = -1, - mean = 0, - value, - delta, - sum = 0; - - if (valueof == null) { - while (++i < n) { - if (!isNaN(value = number(values[i]))) { + let count = 0; + let delta; + let mean = 0; + let sum = 0; + if (valueof === undefined) { + for (let value of values) { + if (value != null && (value = +value) >= value) { delta = value - mean; - mean += delta / ++m; + mean += delta / ++count; sum += delta * (value - mean); } } - } - - else { - while (++i < n) { - if (!isNaN(value = number(valueof(values[i], i, values)))) { + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) { delta = value - mean; - mean += delta / ++m; + mean += delta / ++count; sum += delta * (value - mean); } } } - - if (m > 1) return sum / (m - 1); + if (count > 1) return sum / (count - 1); } -function deviation(array, f) { - var v = variance(array, f); +function deviation(values, valueof) { + const v = variance(values, valueof); return v ? Math.sqrt(v) : v; } -function extent(values, valueof) { - var n = values.length, - i = -1, - value, - min, - max; - - if (valueof == null) { - while (++i < n) { // Find the first comparable value. - if ((value = values[i]) != null && value >= value) { - min = max = value; - while (++i < n) { // Compare the remaining values. - if ((value = values[i]) != null) { - if (min > value) min = value; - if (max < value) max = value; - } +function extent$1(values, valueof) { + let min; + let max; + if (valueof === undefined) { + for (const value of values) { + if (value != null) { + if (min === undefined) { + if (value >= value) min = max = value; + } else { + if (min > value) min = value; + if (max < value) max = value; + } + } + } + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null) { + if (min === undefined) { + if (value >= value) min = max = value; + } else { + if (min > value) min = value; + if (max < value) max = value; } } } } + return [min, max]; +} - else { - while (++i < n) { // Find the first comparable value. - if ((value = valueof(values[i], i, values)) != null && value >= value) { - min = max = value; - while (++i < n) { // Compare the remaining values. - if ((value = valueof(values[i], i, values)) != null) { - if (min > value) min = value; - if (max < value) max = value; - } - } +// https://github.com/python/cpython/blob/a74eea238f5baba15797e2e8b570d153bc8690a7/Modules/mathmodule.c#L1423 +class Adder { + constructor() { + this._partials = new Float64Array(32); + this._n = 0; + } + add(x) { + const p = this._partials; + let i = 0; + for (let j = 0; j < this._n && j < 32; j++) { + const y = p[j], + hi = x + y, + lo = Math.abs(x) < Math.abs(y) ? x - (hi - y) : y - (hi - x); + if (lo) p[i++] = lo; + x = hi; + } + p[i] = x; + this._n = i + 1; + return this; + } + valueOf() { + const p = this._partials; + let n = this._n, x, y, lo, hi = 0; + if (n > 0) { + hi = p[--n]; + while (n > 0) { + x = hi; + y = p[--n]; + hi = x + y; + lo = y - (hi - x); + if (lo) break; + } + if (n > 0 && ((lo < 0 && p[n - 1] < 0) || (lo > 0 && p[n - 1] > 0))) { + y = lo * 2; + x = hi + y; + if (y == x - hi) hi = x; } } + return hi; } +} - return [min, max]; +function fsum(values, valueof) { + const adder = new Adder(); + if (valueof === undefined) { + for (let value of values) { + if (value = +value) { + adder.add(value); + } + } + } else { + let index = -1; + for (let value of values) { + if (value = +valueof(value, ++index, values)) { + adder.add(value); + } + } + } + return +adder; } -var array = Array.prototype; +function fcumsum(values, valueof) { + const adder = new Adder(); + let index = -1; + return Float64Array.from(values, valueof === undefined + ? v => adder.add(+v || 0) + : v => adder.add(+valueof(v, ++index, values) || 0) + ); +} -var slice = array.slice; -var map = array.map; +class InternMap extends Map { + constructor(entries, key = keyof) { + super(); + Object.defineProperties(this, {_intern: {value: new Map()}, _key: {value: key}}); + if (entries != null) for (const [key, value] of entries) this.set(key, value); + } + get(key) { + return super.get(intern_get(this, key)); + } + has(key) { + return super.has(intern_get(this, key)); + } + set(key, value) { + return super.set(intern_set(this, key), value); + } + delete(key) { + return super.delete(intern_delete(this, key)); + } +} -function constant(x) { - return function() { - return x; - }; +class InternSet extends Set { + constructor(values, key = keyof) { + super(); + Object.defineProperties(this, {_intern: {value: new Map()}, _key: {value: key}}); + if (values != null) for (const value of values) this.add(value); + } + has(value) { + return super.has(intern_get(this, value)); + } + add(value) { + return super.add(intern_set(this, value)); + } + delete(value) { + return super.delete(intern_delete(this, value)); + } } -function identity(x) { +function intern_get({_intern, _key}, value) { + const key = _key(value); + return _intern.has(key) ? _intern.get(key) : value; +} + +function intern_set({_intern, _key}, value) { + const key = _key(value); + if (_intern.has(key)) return _intern.get(key); + _intern.set(key, value); + return value; +} + +function intern_delete({_intern, _key}, value) { + const key = _key(value); + if (_intern.has(key)) { + value = _intern.get(value); + _intern.delete(key); + } + return value; +} + +function keyof(value) { + return value !== null && typeof value === "object" ? value.valueOf() : value; +} + +function identity$9(x) { return x; } -function sequence(start, stop, step) { - start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; +function group(values, ...keys) { + return nest(values, identity$9, identity$9, keys); +} - var i = -1, - n = Math.max(0, Math.ceil((stop - start) / step)) | 0, - range = new Array(n); +function groups(values, ...keys) { + return nest(values, Array.from, identity$9, keys); +} - while (++i < n) { - range[i] = start + i * step; +function rollup(values, reduce, ...keys) { + return nest(values, identity$9, reduce, keys); +} + +function rollups(values, reduce, ...keys) { + return nest(values, Array.from, reduce, keys); +} + +function index$4(values, ...keys) { + return nest(values, identity$9, unique, keys); +} + +function indexes(values, ...keys) { + return nest(values, Array.from, unique, keys); +} + +function unique(values) { + if (values.length !== 1) throw new Error("duplicate key"); + return values[0]; +} + +function nest(values, map, reduce, keys) { + return (function regroup(values, i) { + if (i >= keys.length) return reduce(values); + const groups = new InternMap(); + const keyof = keys[i++]; + let index = -1; + for (const value of values) { + const key = keyof(value, ++index, values); + const group = groups.get(key); + if (group) group.push(value); + else groups.set(key, [value]); + } + for (const [key, values] of groups) { + groups.set(key, regroup(values, i)); + } + return map(groups); + })(values, 0); +} + +function permute(source, keys) { + return Array.from(keys, key => source[key]); +} + +function sort(values, ...F) { + if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable"); + values = Array.from(values); + let [f = ascending$3] = F; + if (f.length === 1 || F.length > 1) { + const index = Uint32Array.from(values, (d, i) => i); + if (F.length > 1) { + F = F.map(f => values.map(f)); + index.sort((i, j) => { + for (const f of F) { + const c = ascending$3(f[i], f[j]); + if (c) return c; + } + }); + } else { + f = values.map(f); + index.sort((i, j) => ascending$3(f[i], f[j])); + } + return permute(values, index); } + return values.sort(f); +} - return range; +function groupSort(values, reduce, key) { + return (reduce.length === 1 + ? sort(rollup(values, reduce, key), (([ak, av], [bk, bv]) => ascending$3(av, bv) || ascending$3(ak, bk))) + : sort(group(values, key), (([ak, av], [bk, bv]) => reduce(av, bv) || ascending$3(ak, bk)))) + .map(([key]) => key); +} + +var array$5 = Array.prototype; + +var slice$4 = array$5.slice; + +function constant$b(x) { + return function() { + return x; + }; } var e10 = Math.sqrt(50), @@ -207,15 +452,18 @@ function ticks(start, stop, count) { if ((step = tickIncrement(start, stop, count)) === 0 || !isFinite(step)) return []; if (step > 0) { - start = Math.ceil(start / step); - stop = Math.floor(stop / step); - ticks = new Array(n = Math.ceil(stop - start + 1)); - while (++i < n) ticks[i] = (start + i) * step; + let r0 = Math.round(start / step), r1 = Math.round(stop / step); + if (r0 * step < start) ++r0; + if (r1 * step > stop) --r1; + ticks = new Array(n = r1 - r0 + 1); + while (++i < n) ticks[i] = (r0 + i) * step; } else { - start = Math.floor(start * step); - stop = Math.ceil(stop * step); - ticks = new Array(n = Math.ceil(start - stop + 1)); - while (++i < n) ticks[i] = (start - i) / step; + step = -step; + let r0 = Math.round(start * step), r1 = Math.round(stop * step); + if (r0 / step < start) ++r0; + if (r1 / step > stop) --r1; + ticks = new Array(n = r1 - r0 + 1); + while (++i < n) ticks[i] = (r0 + i) / step; } if (reverse) ticks.reverse(); @@ -242,16 +490,35 @@ function tickStep(start, stop, count) { return stop < start ? -step1 : step1; } +function nice$1(start, stop, count) { + let prestep; + while (true) { + const step = tickIncrement(start, stop, count); + if (step === prestep || step === 0 || !isFinite(step)) { + return [start, stop]; + } else if (step > 0) { + start = Math.floor(start / step) * step; + stop = Math.ceil(stop / step) * step; + } else if (step < 0) { + start = Math.ceil(start * step) / step; + stop = Math.floor(stop * step) / step; + } + prestep = step; + } +} + function thresholdSturges(values) { - return Math.ceil(Math.log(values.length) / Math.LN2) + 1; + return Math.ceil(Math.log(count$1(values)) / Math.LN2) + 1; } -function histogram() { - var value = identity, - domain = extent, +function bin() { + var value = identity$9, + domain = extent$1, threshold = thresholdSturges; function histogram(data) { + if (!Array.isArray(data)) data = Array.from(data); + var i, n = data.length, x, @@ -266,10 +533,34 @@ function histogram() { x1 = xz[1], tz = threshold(values, x0, x1); - // Convert number of thresholds into uniform thresholds. + // Convert number of thresholds into uniform thresholds, and nice the + // default domain accordingly. if (!Array.isArray(tz)) { - tz = tickStep(x0, x1, tz); - tz = sequence(Math.ceil(x0 / tz) * tz, x1, tz); // exclusive + const max = x1, tn = +tz; + if (domain === extent$1) [x0, x1] = nice$1(x0, x1, tn); + tz = ticks(x0, x1, tn); + + // If the last threshold is coincident with the domain’s upper bound, the + // last bin will be zero-width. If the default domain is used, and this + // last threshold is coincident with the maximum input value, we can + // extend the niced upper bound by one tick to ensure uniform bin widths; + // otherwise, we simply remove the last threshold. Note that we don’t + // coerce values or the domain to numbers, and thus must be careful to + // compare order (>=) rather than strict equality (===)! + if (tz[tz.length - 1] >= x1) { + if (max >= x1 && domain === extent$1) { + const step = tickIncrement(x0, x1, tn); + if (isFinite(step)) { + if (step > 0) { + x1 = (Math.floor(x1 / step) + 1) * step; + } else if (step < 0) { + x1 = (Math.ceil(x1 * -step) + 1) / -step; + } + } + } else { + tz.pop(); + } + } } // Remove any thresholds outside the domain. @@ -299,22 +590,119 @@ function histogram() { } histogram.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant(_), histogram) : value; + return arguments.length ? (value = typeof _ === "function" ? _ : constant$b(_), histogram) : value; }; histogram.domain = function(_) { - return arguments.length ? (domain = typeof _ === "function" ? _ : constant([_[0], _[1]]), histogram) : domain; + return arguments.length ? (domain = typeof _ === "function" ? _ : constant$b([_[0], _[1]]), histogram) : domain; }; histogram.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), histogram) : threshold; + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$b(slice$4.call(_)) : constant$b(_), histogram) : threshold; }; return histogram; } -function threshold(values, p, valueof) { - if (valueof == null) valueof = number; +function max$3(values, valueof) { + let max; + if (valueof === undefined) { + for (const value of values) { + if (value != null + && (max < value || (max === undefined && value >= value))) { + max = value; + } + } + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null + && (max < value || (max === undefined && value >= value))) { + max = value; + } + } + } + return max; +} + +function min$2(values, valueof) { + let min; + if (valueof === undefined) { + for (const value of values) { + if (value != null + && (min > value || (min === undefined && value >= value))) { + min = value; + } + } + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null + && (min > value || (min === undefined && value >= value))) { + min = value; + } + } + } + return min; +} + +// Based on https://github.com/mourner/quickselect +// ISC license, Copyright 2018 Vladimir Agafonkin. +function quickselect(array, k, left = 0, right = array.length - 1, compare = ascending$3) { + while (right > left) { + if (right - left > 600) { + const n = right - left + 1; + const m = k - left + 1; + const z = Math.log(n); + const s = 0.5 * Math.exp(2 * z / 3); + const sd = 0.5 * Math.sqrt(z * s * (n - s) / n) * (m - n / 2 < 0 ? -1 : 1); + const newLeft = Math.max(left, Math.floor(k - m * s / n + sd)); + const newRight = Math.min(right, Math.floor(k + (n - m) * s / n + sd)); + quickselect(array, k, newLeft, newRight, compare); + } + + const t = array[k]; + let i = left; + let j = right; + + swap$1(array, left, k); + if (compare(array[right], t) > 0) swap$1(array, left, right); + + while (i < j) { + swap$1(array, i, j), ++i, --j; + while (compare(array[i], t) < 0) ++i; + while (compare(array[j], t) > 0) --j; + } + + if (compare(array[left], t) === 0) swap$1(array, left, j); + else ++j, swap$1(array, j, right); + + if (j <= k) left = j + 1; + if (k <= j) right = j - 1; + } + return array; +} + +function swap$1(array, i, j) { + const t = array[i]; + array[i] = array[j]; + array[j] = t; +} + +function quantile$1(values, p, valueof) { + values = Float64Array.from(numbers(values, valueof)); + if (!(n = values.length)) return; + if ((p = +p) <= 0 || n < 2) return min$2(values); + if (p >= 1) return max$3(values); + var n, + i = (n - 1) * p, + i0 = Math.floor(i), + value0 = max$3(quickselect(values, i0).subarray(0, i0 + 1)), + value1 = min$2(values.subarray(i0 + 1)); + return value0 + (value1 - value0) * (i - i0); +} + +function quantileSorted(values, p, valueof = number$3) { if (!(n = values.length)) return; if ((p = +p) <= 0 || n < 2) return +valueof(values[0], 0, values); if (p >= 1) return +valueof(values[n - 1], n - 1, values); @@ -327,219 +715,254 @@ function threshold(values, p, valueof) { } function freedmanDiaconis(values, min, max) { - values = map.call(values, number).sort(ascending); - return Math.ceil((max - min) / (2 * (threshold(values, 0.75) - threshold(values, 0.25)) * Math.pow(values.length, -1 / 3))); + return Math.ceil((max - min) / (2 * (quantile$1(values, 0.75) - quantile$1(values, 0.25)) * Math.pow(count$1(values), -1 / 3))); } function scott(values, min, max) { - return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3))); -} - -function max(values, valueof) { - var n = values.length, - i = -1, - value, - max; - - if (valueof == null) { - while (++i < n) { // Find the first comparable value. - if ((value = values[i]) != null && value >= value) { - max = value; - while (++i < n) { // Compare the remaining values. - if ((value = values[i]) != null && value > max) { - max = value; - } - } + return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(count$1(values), -1 / 3))); +} + +function maxIndex(values, valueof) { + let max; + let maxIndex = -1; + let index = -1; + if (valueof === undefined) { + for (const value of values) { + ++index; + if (value != null + && (max < value || (max === undefined && value >= value))) { + max = value, maxIndex = index; } } - } - - else { - while (++i < n) { // Find the first comparable value. - if ((value = valueof(values[i], i, values)) != null && value >= value) { - max = value; - while (++i < n) { // Compare the remaining values. - if ((value = valueof(values[i], i, values)) != null && value > max) { - max = value; - } - } + } else { + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null + && (max < value || (max === undefined && value >= value))) { + max = value, maxIndex = index; } } } - - return max; + return maxIndex; } function mean(values, valueof) { - var n = values.length, - m = n, - i = -1, - value, - sum = 0; - - if (valueof == null) { - while (++i < n) { - if (!isNaN(value = number(values[i]))) sum += value; - else --m; + let count = 0; + let sum = 0; + if (valueof === undefined) { + for (let value of values) { + if (value != null && (value = +value) >= value) { + ++count, sum += value; + } } - } - - else { - while (++i < n) { - if (!isNaN(value = number(valueof(values[i], i, values)))) sum += value; - else --m; + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) { + ++count, sum += value; + } } } - - if (m) return sum / m; + if (count) return sum / count; } function median(values, valueof) { - var n = values.length, - i = -1, - value, - numbers = []; + return quantile$1(values, 0.5, valueof); +} - if (valueof == null) { - while (++i < n) { - if (!isNaN(value = number(values[i]))) { - numbers.push(value); - } - } +function* flatten(arrays) { + for (const array of arrays) { + yield* array; } +} - else { - while (++i < n) { - if (!isNaN(value = number(valueof(values[i], i, values)))) { - numbers.push(value); +function merge(arrays) { + return Array.from(flatten(arrays)); +} + +function minIndex(values, valueof) { + let min; + let minIndex = -1; + let index = -1; + if (valueof === undefined) { + for (const value of values) { + ++index; + if (value != null + && (min > value || (min === undefined && value >= value))) { + min = value, minIndex = index; + } + } + } else { + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null + && (min > value || (min === undefined && value >= value))) { + min = value, minIndex = index; } } } - - return threshold(numbers.sort(ascending), 0.5); + return minIndex; } -function merge(arrays) { - var n = arrays.length, - m, - i = -1, - j = 0, - merged, - array; - - while (++i < n) j += arrays[i].length; - merged = new Array(j); - - while (--n >= 0) { - array = arrays[n]; - m = array.length; - while (--m >= 0) { - merged[--j] = array[m]; - } +function pairs(values, pairof = pair) { + const pairs = []; + let previous; + let first = false; + for (const value of values) { + if (first) pairs.push(pairof(previous, value)); + previous = value; + first = true; } + return pairs; +} - return merged; +function pair(a, b) { + return [a, b]; } -function min(values, valueof) { - var n = values.length, - i = -1, - value, - min; +function sequence(start, stop, step) { + start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; - if (valueof == null) { - while (++i < n) { // Find the first comparable value. - if ((value = values[i]) != null && value >= value) { - min = value; - while (++i < n) { // Compare the remaining values. - if ((value = values[i]) != null && min > value) { - min = value; - } - } - } - } + var i = -1, + n = Math.max(0, Math.ceil((stop - start) / step)) | 0, + range = new Array(n); + + while (++i < n) { + range[i] = start + i * step; } - else { - while (++i < n) { // Find the first comparable value. - if ((value = valueof(values[i], i, values)) != null && value >= value) { + return range; +} + +function least(values, compare = ascending$3) { + let min; + let defined = false; + if (compare.length === 1) { + let minValue; + for (const element of values) { + const value = compare(element); + if (defined + ? ascending$3(value, minValue) < 0 + : ascending$3(value, value) === 0) { + min = element; + minValue = value; + defined = true; + } + } + } else { + for (const value of values) { + if (defined + ? compare(value, min) < 0 + : compare(value, value) === 0) { min = value; - while (++i < n) { // Compare the remaining values. - if ((value = valueof(values[i], i, values)) != null && min > value) { - min = value; - } - } + defined = true; } } } - return min; } -function permute(array, indexes) { - var i = indexes.length, permutes = new Array(i); - while (i--) permutes[i] = array[indexes[i]]; - return permutes; +function leastIndex(values, compare = ascending$3) { + if (compare.length === 1) return minIndex(values, compare); + let minValue; + let min = -1; + let index = -1; + for (const value of values) { + ++index; + if (min < 0 + ? compare(value, value) === 0 + : compare(value, minValue) < 0) { + minValue = value; + min = index; + } + } + return min; } -function scan(values, compare) { - if (!(n = values.length)) return; - var n, - i = 0, - j = 0, - xi, - xj = values[j]; - - if (compare == null) compare = ascending; - - while (++i < n) { - if (compare(xi = values[i], xj) < 0 || compare(xj, xj) !== 0) { - xj = xi, j = i; +function greatest(values, compare = ascending$3) { + let max; + let defined = false; + if (compare.length === 1) { + let maxValue; + for (const element of values) { + const value = compare(element); + if (defined + ? ascending$3(value, maxValue) > 0 + : ascending$3(value, value) === 0) { + max = element; + maxValue = value; + defined = true; + } + } + } else { + for (const value of values) { + if (defined + ? compare(value, max) > 0 + : compare(value, value) === 0) { + max = value; + defined = true; + } } } - - if (compare(xj, xj) === 0) return j; + return max; } -function shuffle(array, i0, i1) { - var m = (i1 == null ? array.length : i1) - (i0 = i0 == null ? 0 : +i0), - t, - i; - - while (m) { - i = Math.random() * m-- | 0; - t = array[m + i0]; - array[m + i0] = array[i + i0]; - array[i + i0] = t; +function greatestIndex(values, compare = ascending$3) { + if (compare.length === 1) return maxIndex(values, compare); + let maxValue; + let max = -1; + let index = -1; + for (const value of values) { + ++index; + if (max < 0 + ? compare(value, value) === 0 + : compare(value, maxValue) > 0) { + maxValue = value; + max = index; + } } + return max; +} - return array; +function scan(values, compare) { + const index = leastIndex(values, compare); + return index < 0 ? undefined : index; } -function sum(values, valueof) { - var n = values.length, - i = -1, - value, - sum = 0; +var shuffle$1 = shuffler(Math.random); - if (valueof == null) { - while (++i < n) { - if (value = +values[i]) sum += value; // Note: zero and null are equivalent. +function shuffler(random) { + return function shuffle(array, i0 = 0, i1 = array.length) { + let m = i1 - (i0 = +i0); + while (m) { + const i = random() * m-- | 0, t = array[m + i0]; + array[m + i0] = array[i + i0]; + array[i + i0] = t; } - } + return array; + }; +} - else { - while (++i < n) { - if (value = +valueof(values[i], i, values)) sum += value; +function sum$1(values, valueof) { + let sum = 0; + if (valueof === undefined) { + for (let value of values) { + if (value = +value) { + sum += value; + } + } + } else { + let index = -1; + for (let value of values) { + if (value = +valueof(value, ++index, values)) { + sum += value; + } } } - return sum; } function transpose(matrix) { if (!(n = matrix.length)) return []; - for (var i = -1, m = min(matrix, length), transpose = new Array(m); ++i < m;) { + for (var i = -1, m = min$2(matrix, length$2), transpose = new Array(m); ++i < m;) { for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n;) { row[j] = matrix[j][i]; } @@ -547,7 +970,7 @@ function transpose(matrix) { return transpose; } -function length(d) { +function length$2(d) { return d.length; } @@ -555,9 +978,139 @@ function zip() { return transpose(arguments); } -var slice$1 = Array.prototype.slice; +function every(values, test) { + if (typeof test !== "function") throw new TypeError("test is not a function"); + let index = -1; + for (const value of values) { + if (!test(value, ++index, values)) { + return false; + } + } + return true; +} + +function some(values, test) { + if (typeof test !== "function") throw new TypeError("test is not a function"); + let index = -1; + for (const value of values) { + if (test(value, ++index, values)) { + return true; + } + } + return false; +} + +function filter$1(values, test) { + if (typeof test !== "function") throw new TypeError("test is not a function"); + const array = []; + let index = -1; + for (const value of values) { + if (test(value, ++index, values)) { + array.push(value); + } + } + return array; +} + +function map$1(values, mapper) { + if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable"); + if (typeof mapper !== "function") throw new TypeError("mapper is not a function"); + return Array.from(values, (value, index) => mapper(value, index, values)); +} + +function reduce(values, reducer, value) { + if (typeof reducer !== "function") throw new TypeError("reducer is not a function"); + const iterator = values[Symbol.iterator](); + let done, next, index = -1; + if (arguments.length < 3) { + ({done, value} = iterator.next()); + if (done) return; + ++index; + } + while (({done, value: next} = iterator.next()), !done) { + value = reducer(value, next, ++index, values); + } + return value; +} + +function reverse$1(values) { + if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable"); + return Array.from(values).reverse(); +} + +function difference(values, ...others) { + values = new Set(values); + for (const other of others) { + for (const value of other) { + values.delete(value); + } + } + return values; +} + +function disjoint(values, other) { + const iterator = other[Symbol.iterator](), set = new Set(); + for (const v of values) { + if (set.has(v)) return false; + let value, done; + while (({value, done} = iterator.next())) { + if (done) break; + if (Object.is(v, value)) return false; + set.add(value); + } + } + return true; +} + +function set$2(values) { + return values instanceof Set ? values : new Set(values); +} + +function intersection(values, ...others) { + values = new Set(values); + others = others.map(set$2); + out: for (const value of values) { + for (const other of others) { + if (!other.has(value)) { + values.delete(value); + continue out; + } + } + } + return values; +} + +function superset(values, other) { + const iterator = values[Symbol.iterator](), set = new Set(); + for (const o of other) { + if (set.has(o)) continue; + let value, done; + while (({value, done} = iterator.next())) { + if (done) return false; + set.add(value); + if (Object.is(o, value)) break; + } + } + return true; +} + +function subset(values, other) { + return superset(other, values); +} + +function union(...others) { + const set = new Set(); + for (const other of others) { + for (const o of other) { + set.add(o); + } + } + return set; +} + +var slice$3 = Array.prototype.slice; -function identity$1(x) { +function identity$8(x) { return x; } @@ -565,28 +1118,24 @@ var top = 1, right = 2, bottom = 3, left = 4, - epsilon = 1e-6; + epsilon$5 = 1e-6; function translateX(x) { - return "translate(" + (x + 0.5) + ",0)"; + return "translate(" + x + ",0)"; } function translateY(y) { - return "translate(0," + (y + 0.5) + ")"; + return "translate(0," + y + ")"; } -function number$1(scale) { - return function(d) { - return +scale(d); - }; +function number$2(scale) { + return d => +scale(d); } -function center(scale) { - var offset = Math.max(0, scale.bandwidth() - 1) / 2; // Adjust for 0.5px offset. +function center$1(scale, offset) { + offset = Math.max(0, scale.bandwidth() - offset * 2) / 2; if (scale.round()) offset = Math.round(offset); - return function(d) { - return +scale(d) + offset; - }; + return d => +scale(d) + offset; } function entering() { @@ -600,18 +1149,19 @@ function axis(orient, scale) { tickSizeInner = 6, tickSizeOuter = 6, tickPadding = 3, + offset = typeof window !== "undefined" && window.devicePixelRatio > 1 ? 0 : 0.5, k = orient === top || orient === left ? -1 : 1, x = orient === left || orient === right ? "x" : "y", transform = orient === top || orient === bottom ? translateX : translateY; function axis(context) { var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues, - format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$1) : tickFormat, + format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$8) : tickFormat, spacing = Math.max(tickSizeInner, 0) + tickPadding, range = scale.range(), - range0 = +range[0] + 0.5, - range1 = +range[range.length - 1] + 0.5, - position = (scale.bandwidth ? center : number$1)(scale.copy()), + range0 = +range[0] + offset, + range1 = +range[range.length - 1] + offset, + position = (scale.bandwidth ? center$1 : number$2)(scale.copy(), offset), selection = context.selection ? context.selection() : context, path = selection.selectAll(".domain").data([null]), tick = selection.selectAll(".tick").data(values, scale).order(), @@ -642,24 +1192,24 @@ function axis(orient, scale) { text = text.transition(context); tickExit = tickExit.transition(context) - .attr("opacity", epsilon) - .attr("transform", function(d) { return isFinite(d = position(d)) ? transform(d) : this.getAttribute("transform"); }); + .attr("opacity", epsilon$5) + .attr("transform", function(d) { return isFinite(d = position(d)) ? transform(d + offset) : this.getAttribute("transform"); }); tickEnter - .attr("opacity", epsilon) - .attr("transform", function(d) { var p = this.parentNode.__axis; return transform(p && isFinite(p = p(d)) ? p : position(d)); }); + .attr("opacity", epsilon$5) + .attr("transform", function(d) { var p = this.parentNode.__axis; return transform((p && isFinite(p = p(d)) ? p : position(d)) + offset); }); } tickExit.remove(); path - .attr("d", orient === left || orient == right - ? (tickSizeOuter ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter : "M0.5," + range0 + "V" + range1) - : (tickSizeOuter ? "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter : "M" + range0 + ",0.5H" + range1)); + .attr("d", orient === left || orient === right + ? (tickSizeOuter ? "M" + k * tickSizeOuter + "," + range0 + "H" + offset + "V" + range1 + "H" + k * tickSizeOuter : "M" + offset + "," + range0 + "V" + range1) + : (tickSizeOuter ? "M" + range0 + "," + k * tickSizeOuter + "V" + offset + "H" + range1 + "V" + k * tickSizeOuter : "M" + range0 + "," + offset + "H" + range1)); tick .attr("opacity", 1) - .attr("transform", function(d) { return transform(position(d)); }); + .attr("transform", function(d) { return transform(position(d) + offset); }); line .attr(x + "2", k * tickSizeInner); @@ -683,15 +1233,15 @@ function axis(orient, scale) { }; axis.ticks = function() { - return tickArguments = slice$1.call(arguments), axis; + return tickArguments = slice$3.call(arguments), axis; }; axis.tickArguments = function(_) { - return arguments.length ? (tickArguments = _ == null ? [] : slice$1.call(_), axis) : tickArguments.slice(); + return arguments.length ? (tickArguments = _ == null ? [] : slice$3.call(_), axis) : tickArguments.slice(); }; axis.tickValues = function(_) { - return arguments.length ? (tickValues = _ == null ? null : slice$1.call(_), axis) : tickValues && tickValues.slice(); + return arguments.length ? (tickValues = _ == null ? null : slice$3.call(_), axis) : tickValues && tickValues.slice(); }; axis.tickFormat = function(_) { @@ -714,6 +1264,10 @@ function axis(orient, scale) { return arguments.length ? (tickPadding = +_, axis) : tickPadding; }; + axis.offset = function(_) { + return arguments.length ? (offset = +_, axis) : offset; + }; + return axis; } @@ -733,7 +1287,7 @@ function axisLeft(scale) { return axis(left, scale); } -var noop = {value: function() {}}; +var noop$3 = {value: () => {}}; function dispatch() { for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { @@ -747,7 +1301,7 @@ function Dispatch(_) { this._ = _; } -function parseTypenames(typenames, types) { +function parseTypenames$1(typenames, types) { return typenames.trim().split(/^|\s+/).map(function(t) { var name = "", i = t.indexOf("."); if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); @@ -760,14 +1314,14 @@ Dispatch.prototype = dispatch.prototype = { constructor: Dispatch, on: function(typename, callback) { var _ = this._, - T = parseTypenames(typename + "", _), + T = parseTypenames$1(typename + "", _), t, i = -1, n = T.length; // If no callback was specified, return the callback of the given type and name. if (arguments.length < 2) { - while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t; + while (++i < n) if ((t = (typename = T[i]).type) && (t = get$1(_[t], typename.name))) return t; return; } @@ -775,8 +1329,8 @@ Dispatch.prototype = dispatch.prototype = { // Otherwise, if a null callback was specified, remove callbacks of the given name. if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback); while (++i < n) { - if (t = (typename = T[i]).type) _[t] = set(_[t], typename.name, callback); - else if (callback == null) for (t in _) _[t] = set(_[t], typename.name, null); + if (t = (typename = T[i]).type) _[t] = set$1(_[t], typename.name, callback); + else if (callback == null) for (t in _) _[t] = set$1(_[t], typename.name, null); } return this; @@ -797,7 +1351,7 @@ Dispatch.prototype = dispatch.prototype = { } }; -function get(type, name) { +function get$1(type, name) { for (var i = 0, n = type.length, c; i < n; ++i) { if ((c = type[i]).name === name) { return c.value; @@ -805,10 +1359,10 @@ function get(type, name) { } } -function set(type, name, callback) { +function set$1(type, name, callback) { for (var i = 0, n = type.length; i < n; ++i) { if (type[i].name === name) { - type[i] = noop, type = type.slice(0, i).concat(type.slice(i + 1)); + type[i] = noop$3, type = type.slice(0, i).concat(type.slice(i + 1)); break; } } @@ -829,7 +1383,7 @@ var namespaces = { function namespace(name) { var prefix = name += "", i = prefix.indexOf(":"); if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); - return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; + return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; // eslint-disable-line no-prototype-builtins } function creatorInherit(name) { @@ -855,10 +1409,10 @@ function creator(name) { : creatorInherit)(fullname); } -function none() {} +function none$2() {} function selector(selector) { - return selector == null ? none : function() { + return selector == null ? none$2 : function() { return this.querySelector(selector); }; } @@ -875,21 +1429,35 @@ function selection_select(select) { } } - return new Selection(subgroups, this._parents); + return new Selection$1(subgroups, this._parents); +} + +function array$4(x) { + return typeof x === "object" && "length" in x + ? x // Array, TypedArray, NodeList, array-like + : Array.from(x); // Map, Set, iterable, string, or anything else } -function empty() { +function empty$1() { return []; } function selectorAll(selector) { - return selector == null ? empty : function() { + return selector == null ? empty$1 : function() { return this.querySelectorAll(selector); }; } +function arrayAll(select) { + return function() { + var group = select.apply(this, arguments); + return group == null ? [] : array$4(group); + }; +} + function selection_selectAll(select) { - if (typeof select !== "function") select = selectorAll(select); + if (typeof select === "function") select = arrayAll(select); + else select = selectorAll(select); for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { @@ -900,7 +1468,7 @@ function selection_selectAll(select) { } } - return new Selection(subgroups, parents); + return new Selection$1(subgroups, parents); } function matcher(selector) { @@ -909,6 +1477,46 @@ function matcher(selector) { }; } +function childMatcher(selector) { + return function(node) { + return node.matches(selector); + }; +} + +var find$1 = Array.prototype.find; + +function childFind(match) { + return function() { + return find$1.call(this.children, match); + }; +} + +function childFirst() { + return this.firstElementChild; +} + +function selection_selectChild(match) { + return this.select(match == null ? childFirst + : childFind(typeof match === "function" ? match : childMatcher(match))); +} + +var filter = Array.prototype.filter; + +function children() { + return this.children; +} + +function childrenFilter(match) { + return function() { + return filter.call(this.children, match); + }; +} + +function selection_selectChildren(match) { + return this.selectAll(match == null ? children + : childrenFilter(typeof match === "function" ? match : childMatcher(match))); +} + function selection_filter(match) { if (typeof match !== "function") match = matcher(match); @@ -920,7 +1528,7 @@ function selection_filter(match) { } } - return new Selection(subgroups, this._parents); + return new Selection$1(subgroups, this._parents); } function sparse(update) { @@ -928,7 +1536,7 @@ function sparse(update) { } function selection_enter() { - return new Selection(this._enter || this._groups.map(sparse), this._parents); + return new Selection$1(this._enter || this._groups.map(sparse), this._parents); } function EnterNode(parent, datum) { @@ -947,14 +1555,12 @@ EnterNode.prototype = { querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } }; -function constant$1(x) { +function constant$a(x) { return function() { return x; }; } -var keyPrefix = "$"; // Protect against keys like “__proto__”. - function bindIndex(parent, group, enter, update, exit, data) { var i = 0, node, @@ -984,7 +1590,7 @@ function bindIndex(parent, group, enter, update, exit, data) { function bindKey(parent, group, enter, update, exit, data, key) { var i, node, - nodeByKeyValue = {}, + nodeByKeyValue = new Map, groupLength = group.length, dataLength = data.length, keyValues = new Array(groupLength), @@ -994,11 +1600,11 @@ function bindKey(parent, group, enter, update, exit, data, key) { // If multiple nodes have the same key, the duplicates are added to exit. for (i = 0; i < groupLength; ++i) { if (node = group[i]) { - keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group); - if (keyValue in nodeByKeyValue) { + keyValues[i] = keyValue = key.call(node, node.__data__, i, group) + ""; + if (nodeByKeyValue.has(keyValue)) { exit[i] = node; } else { - nodeByKeyValue[keyValue] = node; + nodeByKeyValue.set(keyValue, node); } } } @@ -1007,11 +1613,11 @@ function bindKey(parent, group, enter, update, exit, data, key) { // If there a node associated with this key, join and add it to update. // If there is not (or the key is a duplicate), add it to enter. for (i = 0; i < dataLength; ++i) { - keyValue = keyPrefix + key.call(parent, data[i], i, data); - if (node = nodeByKeyValue[keyValue]) { + keyValue = key.call(parent, data[i], i, data) + ""; + if (node = nodeByKeyValue.get(keyValue)) { update[i] = node; node.__data__ = data[i]; - nodeByKeyValue[keyValue] = null; + nodeByKeyValue.delete(keyValue); } else { enter[i] = new EnterNode(parent, data[i]); } @@ -1019,30 +1625,30 @@ function bindKey(parent, group, enter, update, exit, data, key) { // Add any remaining nodes that were not bound to data to exit. for (i = 0; i < groupLength; ++i) { - if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) { + if ((node = group[i]) && (nodeByKeyValue.get(keyValues[i]) === node)) { exit[i] = node; } } } +function datum(node) { + return node.__data__; +} + function selection_data(value, key) { - if (!value) { - data = new Array(this.size()), j = -1; - this.each(function(d) { data[++j] = d; }); - return data; - } + if (!arguments.length) return Array.from(this, datum); var bind = key ? bindKey : bindIndex, parents = this._parents, groups = this._groups; - if (typeof value !== "function") value = constant$1(value); + if (typeof value !== "function") value = constant$a(value); for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) { var parent = parents[j], group = groups[j], groupLength = group.length, - data = value.call(parent, parent && parent.__data__, j, parents), + data = array$4(value.call(parent, parent && parent.__data__, j, parents)), dataLength = data.length, enterGroup = enter[j] = new Array(dataLength), updateGroup = update[j] = new Array(dataLength), @@ -1062,14 +1668,14 @@ function selection_data(value, key) { } } - update = new Selection(update, parents); + update = new Selection$1(update, parents); update._enter = enter; update._exit = exit; return update; } function selection_exit() { - return new Selection(this._exit || this._groups.map(sparse), this._parents); + return new Selection$1(this._exit || this._groups.map(sparse), this._parents); } function selection_join(onenter, onupdate, onexit) { @@ -1081,6 +1687,7 @@ function selection_join(onenter, onupdate, onexit) { } function selection_merge(selection) { + if (!(selection instanceof Selection$1)) throw new Error("invalid merge"); for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { @@ -1094,7 +1701,7 @@ function selection_merge(selection) { merges[j] = groups0[j]; } - return new Selection(merges, this._parents); + return new Selection$1(merges, this._parents); } function selection_order() { @@ -1112,7 +1719,7 @@ function selection_order() { } function selection_sort(compare) { - if (!compare) compare = ascending$1; + if (!compare) compare = ascending$2; function compareNode(a, b) { return a && b ? compare(a.__data__, b.__data__) : !a - !b; @@ -1127,10 +1734,10 @@ function selection_sort(compare) { sortgroup.sort(compareNode); } - return new Selection(sortgroups, this._parents).order(); + return new Selection$1(sortgroups, this._parents).order(); } -function ascending$1(a, b) { +function ascending$2(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; } @@ -1142,9 +1749,7 @@ function selection_call() { } function selection_nodes() { - var nodes = new Array(this.size()), i = -1; - this.each(function() { nodes[++i] = this; }); - return nodes; + return Array.from(this); } function selection_node() { @@ -1160,8 +1765,8 @@ function selection_node() { } function selection_size() { - var size = 0; - this.each(function() { ++size; }); + let size = 0; + for (const node of this) ++size; // eslint-disable-line no-unused-vars return size; } @@ -1180,31 +1785,31 @@ function selection_each(callback) { return this; } -function attrRemove(name) { +function attrRemove$1(name) { return function() { this.removeAttribute(name); }; } -function attrRemoveNS(fullname) { +function attrRemoveNS$1(fullname) { return function() { this.removeAttributeNS(fullname.space, fullname.local); }; } -function attrConstant(name, value) { +function attrConstant$1(name, value) { return function() { this.setAttribute(name, value); }; } -function attrConstantNS(fullname, value) { +function attrConstantNS$1(fullname, value) { return function() { this.setAttributeNS(fullname.space, fullname.local, value); }; } -function attrFunction(name, value) { +function attrFunction$1(name, value) { return function() { var v = value.apply(this, arguments); if (v == null) this.removeAttribute(name); @@ -1212,7 +1817,7 @@ function attrFunction(name, value) { }; } -function attrFunctionNS(fullname, value) { +function attrFunctionNS$1(fullname, value) { return function() { var v = value.apply(this, arguments); if (v == null) this.removeAttributeNS(fullname.space, fullname.local); @@ -1231,9 +1836,9 @@ function selection_attr(name, value) { } return this.each((value == null - ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" - ? (fullname.local ? attrFunctionNS : attrFunction) - : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); + ? (fullname.local ? attrRemoveNS$1 : attrRemove$1) : (typeof value === "function" + ? (fullname.local ? attrFunctionNS$1 : attrFunction$1) + : (fullname.local ? attrConstantNS$1 : attrConstant$1)))(fullname, value)); } function defaultView(node) { @@ -1242,19 +1847,19 @@ function defaultView(node) { || node.defaultView; // node is a Document } -function styleRemove(name) { +function styleRemove$1(name) { return function() { this.style.removeProperty(name); }; } -function styleConstant(name, value, priority) { +function styleConstant$1(name, value, priority) { return function() { this.style.setProperty(name, value, priority); }; } -function styleFunction(name, value, priority) { +function styleFunction$1(name, value, priority) { return function() { var v = value.apply(this, arguments); if (v == null) this.style.removeProperty(name); @@ -1265,9 +1870,9 @@ function styleFunction(name, value, priority) { function selection_style(name, value, priority) { return arguments.length > 1 ? this.each((value == null - ? styleRemove : typeof value === "function" - ? styleFunction - : styleConstant)(name, value, priority == null ? "" : priority)) + ? styleRemove$1 : typeof value === "function" + ? styleFunction$1 + : styleConstant$1)(name, value, priority == null ? "" : priority)) : styleValue(this.node(), name); } @@ -1385,13 +1990,13 @@ function textRemove() { this.textContent = ""; } -function textConstant(value) { +function textConstant$1(value) { return function() { this.textContent = value; }; } -function textFunction(value) { +function textFunction$1(value) { return function() { var v = value.apply(this, arguments); this.textContent = v == null ? "" : v; @@ -1402,8 +2007,8 @@ function selection_text(value) { return arguments.length ? this.each(value == null ? textRemove : (typeof value === "function" - ? textFunction - : textConstant)(value)) + ? textFunction$1 + : textConstant$1)(value)) : this.node().textContent; } @@ -1497,40 +2102,13 @@ function selection_datum(value) { : this.node().__data__; } -var filterEvents = {}; - -exports.event = null; - -if (typeof document !== "undefined") { - var element = document.documentElement; - if (!("onmouseenter" in element)) { - filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; - } -} - -function filterContextListener(listener, index, group) { - listener = contextListener(listener, index, group); +function contextListener(listener) { return function(event) { - var related = event.relatedTarget; - if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { - listener.call(this, event); - } - }; -} - -function contextListener(listener, index, group) { - return function(event1) { - var event0 = exports.event; // Events can be reentrant (e.g., focus). - exports.event = event1; - try { - listener.call(this, this.__data__, index, group); - } finally { - exports.event = event0; - } + listener.call(this, event, this.__data__); }; } -function parseTypenames$1(typenames) { +function parseTypenames(typenames) { return typenames.trim().split(/^|\s+/).map(function(t) { var name = "", i = t.indexOf("."); if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); @@ -1544,7 +2122,7 @@ function onRemove(typename) { if (!on) return; for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); + this.removeEventListener(o.type, o.listener, o.options); } else { on[++i] = o; } @@ -1554,27 +2132,26 @@ function onRemove(typename) { }; } -function onAdd(typename, value, capture) { - var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; - return function(d, i, group) { - var on = this.__on, o, listener = wrap(value, i, group); +function onAdd(typename, value, options) { + return function() { + var on = this.__on, o, listener = contextListener(value); if (on) for (var j = 0, m = on.length; j < m; ++j) { if ((o = on[j]).type === typename.type && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); - this.addEventListener(o.type, o.listener = listener, o.capture = capture); + this.removeEventListener(o.type, o.listener, o.options); + this.addEventListener(o.type, o.listener = listener, o.options = options); o.value = value; return; } } - this.addEventListener(typename.type, listener, capture); - o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; + this.addEventListener(typename.type, listener, options); + o = {type: typename.type, name: typename.name, value: value, listener: listener, options: options}; if (!on) this.__on = [o]; else on.push(o); }; } -function selection_on(typename, value, capture) { - var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t; +function selection_on(typename, value, options) { + var typenames = parseTypenames(typename + ""), i, n = typenames.length, t; if (arguments.length < 2) { var on = this.node().__on; @@ -1589,22 +2166,10 @@ function selection_on(typename, value, capture) { } on = value ? onAdd : onRemove; - if (capture == null) capture = false; - for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); + for (i = 0; i < n; ++i) this.each(on(typenames[i], value, options)); return this; } -function customEvent(event1, listener, that, args) { - var event0 = exports.event; - event1.sourceEvent = exports.event; - exports.event = event1; - try { - return listener.apply(that, args); - } finally { - exports.event = event0; - } -} - function dispatchEvent(node, type, params) { var window = defaultView(node), event = window.CustomEvent; @@ -1638,27 +2203,42 @@ function selection_dispatch(type, params) { : dispatchConstant)(type, params)); } -var root = [null]; +function* selection_iterator() { + for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { + for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { + if (node = group[i]) yield node; + } + } +} + +var root$1 = [null]; -function Selection(groups, parents) { +function Selection$1(groups, parents) { this._groups = groups; this._parents = parents; } function selection() { - return new Selection([[document.documentElement]], root); + return new Selection$1([[document.documentElement]], root$1); } -Selection.prototype = selection.prototype = { - constructor: Selection, +function selection_selection() { + return this; +} + +Selection$1.prototype = selection.prototype = { + constructor: Selection$1, select: selection_select, selectAll: selection_selectAll, + selectChild: selection_selectChild, + selectChildren: selection_selectChildren, filter: selection_filter, data: selection_data, enter: selection_enter, exit: selection_exit, join: selection_join, merge: selection_merge, + selection: selection_selection, order: selection_order, sort: selection_sort, call: selection_call, @@ -1681,22 +2261,23 @@ Selection.prototype = selection.prototype = { clone: selection_clone, datum: selection_datum, on: selection_on, - dispatch: selection_dispatch + dispatch: selection_dispatch, + [Symbol.iterator]: selection_iterator }; function select(selector) { return typeof selector === "string" - ? new Selection([[document.querySelector(selector)]], [document.documentElement]) - : new Selection([[selector]], root); + ? new Selection$1([[document.querySelector(selector)]], [document.documentElement]) + : new Selection$1([[selector]], root$1); } -function create(name) { +function create$1(name) { return select(creator(name).call(document.documentElement)); } var nextId = 0; -function local() { +function local$1() { return new Local; } @@ -1704,7 +2285,7 @@ function Local() { this._ = "@" + (++nextId).toString(36); } -Local.prototype = local.prototype = { +Local.prototype = local$1.prototype = { constructor: Local, get: function(node) { var id = this._; @@ -1722,74 +2303,60 @@ Local.prototype = local.prototype = { } }; -function sourceEvent() { - var current = exports.event, source; - while (source = current.sourceEvent) current = source; - return current; +function sourceEvent(event) { + let sourceEvent; + while (sourceEvent = event.sourceEvent) event = sourceEvent; + return event; } -function point(node, event) { - var svg = node.ownerSVGElement || node; - - if (svg.createSVGPoint) { - var point = svg.createSVGPoint(); - point.x = event.clientX, point.y = event.clientY; - point = point.matrixTransform(node.getScreenCTM().inverse()); - return [point.x, point.y]; +function pointer(event, node) { + event = sourceEvent(event); + if (node === undefined) node = event.currentTarget; + if (node) { + var svg = node.ownerSVGElement || node; + if (svg.createSVGPoint) { + var point = svg.createSVGPoint(); + point.x = event.clientX, point.y = event.clientY; + point = point.matrixTransform(node.getScreenCTM().inverse()); + return [point.x, point.y]; + } + if (node.getBoundingClientRect) { + var rect = node.getBoundingClientRect(); + return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; + } } - - var rect = node.getBoundingClientRect(); - return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; + return [event.pageX, event.pageY]; } -function mouse(node) { - var event = sourceEvent(); - if (event.changedTouches) event = event.changedTouches[0]; - return point(node, event); +function pointers(events, node) { + if (events.target) { // i.e., instanceof Event, not TouchList or iterable + events = sourceEvent(events); + if (node === undefined) node = events.currentTarget; + events = events.touches || [events]; + } + return Array.from(events, event => pointer(event, node)); } function selectAll(selector) { return typeof selector === "string" - ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) - : new Selection([selector == null ? [] : selector], root); -} - -function touch(node, touches, identifier) { - if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; - - for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) { - if ((touch = touches[i]).identifier === identifier) { - return point(node, touch); - } - } - - return null; -} - -function touches(node, touches) { - if (touches == null) touches = sourceEvent().touches; - - for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) { - points[i] = point(node, touches[i]); - } - - return points; + ? new Selection$1([document.querySelectorAll(selector)], [document.documentElement]) + : new Selection$1([selector == null ? [] : array$4(selector)], root$1); } -function nopropagation() { - exports.event.stopImmediatePropagation(); +function nopropagation$2(event) { + event.stopImmediatePropagation(); } -function noevent() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); +function noevent$2(event) { + event.preventDefault(); + event.stopImmediatePropagation(); } function dragDisable(view) { var root = view.document.documentElement, - selection = select(view).on("dragstart.drag", noevent, true); + selection = select(view).on("dragstart.drag", noevent$2, true); if ("onselectstart" in root) { - selection.on("selectstart.drag", noevent, true); + selection.on("selectstart.drag", noevent$2, true); } else { root.__noselect = root.style.MozUserSelect; root.style.MozUserSelect = "none"; @@ -1800,7 +2367,7 @@ function yesdrag(view, noclick) { var root = view.document.documentElement, selection = select(view).on("dragstart.drag", null); if (noclick) { - selection.on("click.drag", noevent, true); + selection.on("click.drag", noevent$2, true); setTimeout(function() { selection.on("click.drag", null); }, 0); } if ("onselectstart" in root) { @@ -1811,23 +2378,30 @@ function yesdrag(view, noclick) { } } -function constant$2(x) { - return function() { - return x; - }; -} - -function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) { - this.target = target; - this.type = type; - this.subject = subject; - this.identifier = id; - this.active = active; - this.x = x; - this.y = y; - this.dx = dx; - this.dy = dy; - this._ = dispatch; +var constant$9 = x => () => x; + +function DragEvent(type, { + sourceEvent, + subject, + target, + identifier, + active, + x, y, dx, dy, + dispatch +}) { + Object.defineProperties(this, { + type: {value: type, enumerable: true, configurable: true}, + sourceEvent: {value: sourceEvent, enumerable: true, configurable: true}, + subject: {value: subject, enumerable: true, configurable: true}, + target: {value: target, enumerable: true, configurable: true}, + identifier: {value: identifier, enumerable: true, configurable: true}, + active: {value: active, enumerable: true, configurable: true}, + x: {value: x, enumerable: true, configurable: true}, + y: {value: y, enumerable: true, configurable: true}, + dx: {value: dx, enumerable: true, configurable: true}, + dy: {value: dy, enumerable: true, configurable: true}, + _: {value: dispatch} + }); } DragEvent.prototype.on = function() { @@ -1836,27 +2410,27 @@ DragEvent.prototype.on = function() { }; // Ignore right-click, since that should open the context menu. -function defaultFilter() { - return !exports.event.ctrlKey && !exports.event.button; +function defaultFilter$2(event) { + return !event.ctrlKey && !event.button; } function defaultContainer() { return this.parentNode; } -function defaultSubject(d) { - return d == null ? {x: exports.event.x, y: exports.event.y} : d; +function defaultSubject(event, d) { + return d == null ? {x: event.x, y: event.y} : d; } -function defaultTouchable() { +function defaultTouchable$2() { return navigator.maxTouchPoints || ("ontouchstart" in this); } function drag() { - var filter = defaultFilter, + var filter = defaultFilter$2, container = defaultContainer, subject = defaultSubject, - touchable = defaultTouchable, + touchable = defaultTouchable$2, gestures = {}, listeners = dispatch("start", "drag", "end"), active = 0, @@ -1877,111 +2451,136 @@ function drag() { .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); } - function mousedowned() { - if (touchending || !filter.apply(this, arguments)) return; - var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments); + function mousedowned(event, d) { + if (touchending || !filter.call(this, event, d)) return; + var gesture = beforestart(this, container.call(this, event, d), event, d, "mouse"); if (!gesture) return; - select(exports.event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); - dragDisable(exports.event.view); - nopropagation(); + select(event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); + dragDisable(event.view); + nopropagation$2(event); mousemoving = false; - mousedownx = exports.event.clientX; - mousedowny = exports.event.clientY; - gesture("start"); + mousedownx = event.clientX; + mousedowny = event.clientY; + gesture("start", event); } - function mousemoved() { - noevent(); + function mousemoved(event) { + noevent$2(event); if (!mousemoving) { - var dx = exports.event.clientX - mousedownx, dy = exports.event.clientY - mousedowny; + var dx = event.clientX - mousedownx, dy = event.clientY - mousedowny; mousemoving = dx * dx + dy * dy > clickDistance2; } - gestures.mouse("drag"); + gestures.mouse("drag", event); } - function mouseupped() { - select(exports.event.view).on("mousemove.drag mouseup.drag", null); - yesdrag(exports.event.view, mousemoving); - noevent(); - gestures.mouse("end"); + function mouseupped(event) { + select(event.view).on("mousemove.drag mouseup.drag", null); + yesdrag(event.view, mousemoving); + noevent$2(event); + gestures.mouse("end", event); } - function touchstarted() { - if (!filter.apply(this, arguments)) return; - var touches = exports.event.changedTouches, - c = container.apply(this, arguments), + function touchstarted(event, d) { + if (!filter.call(this, event, d)) return; + var touches = event.changedTouches, + c = container.call(this, event, d), n = touches.length, i, gesture; for (i = 0; i < n; ++i) { - if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) { - nopropagation(); - gesture("start"); + if (gesture = beforestart(this, c, event, d, touches[i].identifier, touches[i])) { + nopropagation$2(event); + gesture("start", event, touches[i]); } } } - function touchmoved() { - var touches = exports.event.changedTouches, + function touchmoved(event) { + var touches = event.changedTouches, n = touches.length, i, gesture; for (i = 0; i < n; ++i) { if (gesture = gestures[touches[i].identifier]) { - noevent(); - gesture("drag"); + noevent$2(event); + gesture("drag", event, touches[i]); } } } - function touchended() { - var touches = exports.event.changedTouches, + function touchended(event) { + var touches = event.changedTouches, n = touches.length, i, gesture; if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! for (i = 0; i < n; ++i) { if (gesture = gestures[touches[i].identifier]) { - nopropagation(); - gesture("end"); + nopropagation$2(event); + gesture("end", event, touches[i]); } } } - function beforestart(id, container, point, that, args) { - var p = point(container, id), s, dx, dy, - sublisteners = listeners.copy(); + function beforestart(that, container, event, d, identifier, touch) { + var dispatch = listeners.copy(), + p = pointer(touch || event, container), dx, dy, + s; - if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { - if ((exports.event.subject = s = subject.apply(that, args)) == null) return false; - dx = s.x - p[0] || 0; - dy = s.y - p[1] || 0; - return true; - })) return; + if ((s = subject.call(that, new DragEvent("beforestart", { + sourceEvent: event, + target: drag, + identifier, + active, + x: p[0], + y: p[1], + dx: 0, + dy: 0, + dispatch + }), d)) == null) return; - return function gesture(type) { + dx = s.x - p[0] || 0; + dy = s.y - p[1] || 0; + + return function gesture(type, event, touch) { var p0 = p, n; switch (type) { - case "start": gestures[id] = gesture, n = active++; break; - case "end": delete gestures[id], --active; // nobreak - case "drag": p = point(container, id), n = active; break; + case "start": gestures[identifier] = gesture, n = active++; break; + case "end": delete gestures[identifier], --active; // nobreak + case "drag": p = pointer(touch || event, container), n = active; break; } - customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); + dispatch.call( + type, + that, + new DragEvent(type, { + sourceEvent: event, + subject: s, + target: drag, + identifier, + active: n, + x: p[0] + dx, + y: p[1] + dy, + dx: p[0] - p0[0], + dy: p[1] - p0[1], + dispatch + }), + d + ); }; } drag.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$2(!!_), drag) : filter; + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$9(!!_), drag) : filter; }; drag.container = function(_) { - return arguments.length ? (container = typeof _ === "function" ? _ : constant$2(_), drag) : container; + return arguments.length ? (container = typeof _ === "function" ? _ : constant$9(_), drag) : container; }; drag.subject = function(_) { - return arguments.length ? (subject = typeof _ === "function" ? _ : constant$2(_), drag) : subject; + return arguments.length ? (subject = typeof _ === "function" ? _ : constant$9(_), drag) : subject; }; drag.touchable = function(_) { - return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$2(!!_), drag) : touchable; + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$9(!!_), drag) : touchable; }; drag.on = function() { @@ -2321,7 +2920,7 @@ function hslConvert(o) { return new Hsl(h, s, l, o.opacity); } -function hsl(h, s, l, opacity) { +function hsl$2(h, s, l, opacity) { return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity); } @@ -2332,7 +2931,7 @@ function Hsl(h, s, l, opacity) { this.opacity = +opacity; } -define(Hsl, hsl, extend(Color, { +define(Hsl, hsl$2, extend(Color, { brighter: function(k) { k = k == null ? brighter : Math.pow(brighter, k); return new Hsl(this.h, this.s, this.l * k, this.opacity); @@ -2377,18 +2976,18 @@ function hsl2rgb(h, m1, m2) { : m1) * 255; } -var deg2rad = Math.PI / 180; -var rad2deg = 180 / Math.PI; +const radians$1 = Math.PI / 180; +const degrees$2 = 180 / Math.PI; // https://observablehq.com/@mbostock/lab-and-rgb -var K = 18, +const K = 18, Xn = 0.96422, Yn = 1, Zn = 0.82521, - t0 = 4 / 29, - t1 = 6 / 29, - t2 = 3 * t1 * t1, - t3 = t1 * t1 * t1; + t0$1 = 4 / 29, + t1$1 = 6 / 29, + t2 = 3 * t1$1 * t1$1, + t3 = t1$1 * t1$1 * t1$1; function labConvert(o) { if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); @@ -2409,7 +3008,7 @@ function gray(l, opacity) { return new Lab(l, 0, 0, opacity == null ? 1 : opacity); } -function lab(l, a, b, opacity) { +function lab$1(l, a, b, opacity) { return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity); } @@ -2420,7 +3019,7 @@ function Lab(l, a, b, opacity) { this.opacity = +opacity; } -define(Lab, lab, extend(Color, { +define(Lab, lab$1, extend(Color, { brighter: function(k) { return new Lab(this.l + K * (k == null ? 1 : k), this.a, this.b, this.opacity); }, @@ -2444,11 +3043,11 @@ define(Lab, lab, extend(Color, { })); function xyz2lab(t) { - return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0; + return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0$1; } function lab2xyz(t) { - return t > t1 ? t * t * t : t2 * (t - t0); + return t > t1$1 ? t * t * t : t2 * (t - t0$1); } function lrgb2rgb(x) { @@ -2463,7 +3062,7 @@ function hclConvert(o) { if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); if (!(o instanceof Lab)) o = labConvert(o); if (o.a === 0 && o.b === 0) return new Hcl(NaN, 0 < o.l && o.l < 100 ? 0 : NaN, o.l, o.opacity); - var h = Math.atan2(o.b, o.a) * rad2deg; + var h = Math.atan2(o.b, o.a) * degrees$2; return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); } @@ -2471,7 +3070,7 @@ function lch(l, c, h, opacity) { return arguments.length === 1 ? hclConvert(l) : new Hcl(h, c, l, opacity == null ? 1 : opacity); } -function hcl(h, c, l, opacity) { +function hcl$2(h, c, l, opacity) { return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity); } @@ -2484,11 +3083,11 @@ function Hcl(h, c, l, opacity) { function hcl2lab(o) { if (isNaN(o.h)) return new Lab(o.l, 0, 0, o.opacity); - var h = o.h * deg2rad; + var h = o.h * radians$1; return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); } -define(Hcl, hcl, extend(Color, { +define(Hcl, hcl$2, extend(Color, { brighter: function(k) { return new Hcl(this.h, this.c, this.l + K * (k == null ? 1 : k), this.opacity); }, @@ -2519,11 +3118,11 @@ function cubehelixConvert(o) { bl = b - l, k = (E * (g - l) - C * bl) / D, s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1 - h = s ? Math.atan2(k, bl) * rad2deg - 120 : NaN; + h = s ? Math.atan2(k, bl) * degrees$2 - 120 : NaN; return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity); } -function cubehelix(h, s, l, opacity) { +function cubehelix$3(h, s, l, opacity) { return arguments.length === 1 ? cubehelixConvert(h) : new Cubehelix(h, s, l, opacity == null ? 1 : opacity); } @@ -2534,7 +3133,7 @@ function Cubehelix(h, s, l, opacity) { this.opacity = +opacity; } -define(Cubehelix, cubehelix, extend(Color, { +define(Cubehelix, cubehelix$3, extend(Color, { brighter: function(k) { k = k == null ? brighter : Math.pow(brighter, k); return new Cubehelix(this.h, this.s, this.l * k, this.opacity); @@ -2544,7 +3143,7 @@ define(Cubehelix, cubehelix, extend(Color, { return new Cubehelix(this.h, this.s, this.l * k, this.opacity); }, rgb: function() { - var h = isNaN(this.h) ? 0 : (this.h + 120) * deg2rad, + var h = isNaN(this.h) ? 0 : (this.h + 120) * radians$1, l = +this.l, a = isNaN(this.s) ? 0 : this.s * l * (1 - l), cosh = Math.cos(h), @@ -2558,7 +3157,7 @@ define(Cubehelix, cubehelix, extend(Color, { } })); -function basis(t1, v0, v1, v2, v3) { +function basis$1(t1, v0, v1, v2, v3) { var t2 = t1 * t1, t3 = t2 * t1; return ((1 - 3 * t1 + 3 * t2 - t3) * v0 + (4 - 6 * t2 + 3 * t3) * v1 @@ -2566,7 +3165,7 @@ function basis(t1, v0, v1, v2, v3) { + t3 * v3) / 6; } -function basis$1(values) { +function basis$2(values) { var n = values.length - 1; return function(t) { var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n), @@ -2574,11 +3173,11 @@ function basis$1(values) { v2 = values[i + 1], v0 = i > 0 ? values[i - 1] : 2 * v1 - v2, v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; - return basis((t - i / n) * n, v0, v1, v2, v3); + return basis$1((t - i / n) * n, v0, v1, v2, v3); }; } -function basisClosed(values) { +function basisClosed$1(values) { var n = values.length; return function(t) { var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n), @@ -2586,46 +3185,42 @@ function basisClosed(values) { v1 = values[i % n], v2 = values[(i + 1) % n], v3 = values[(i + 2) % n]; - return basis((t - i / n) * n, v0, v1, v2, v3); + return basis$1((t - i / n) * n, v0, v1, v2, v3); }; } -function constant$3(x) { - return function() { - return x; - }; -} +var constant$8 = x => () => x; -function linear(a, d) { +function linear$2(a, d) { return function(t) { return a + t * d; }; } -function exponential(a, b, y) { +function exponential$1(a, b, y) { return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) { return Math.pow(a + t * b, y); }; } -function hue(a, b) { +function hue$1(a, b) { var d = b - a; - return d ? linear(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$3(isNaN(a) ? b : a); + return d ? linear$2(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$8(isNaN(a) ? b : a); } -function gamma(y) { +function gamma$1(y) { return (y = +y) === 1 ? nogamma : function(a, b) { - return b - a ? exponential(a, b, y) : constant$3(isNaN(a) ? b : a); + return b - a ? exponential$1(a, b, y) : constant$8(isNaN(a) ? b : a); }; } function nogamma(a, b) { var d = b - a; - return d ? linear(a, d) : constant$3(isNaN(a) ? b : a); + return d ? linear$2(a, d) : constant$8(isNaN(a) ? b : a); } var interpolateRgb = (function rgbGamma(y) { - var color = gamma(y); + var color = gamma$1(y); function rgb$1(start, end) { var r = color((start = rgb(start)).r, (end = rgb(end)).r), @@ -2672,8 +3267,8 @@ function rgbSpline(spline) { }; } -var rgbBasis = rgbSpline(basis$1); -var rgbBasisClosed = rgbSpline(basisClosed); +var rgbBasis = rgbSpline(basis$2); +var rgbBasisClosed = rgbSpline(basisClosed$1); function numberArray(a, b) { if (!b) b = []; @@ -2690,7 +3285,7 @@ function isNumberArray(x) { return ArrayBuffer.isView(x) && !(x instanceof DataView); } -function array$1(a, b) { +function array$3(a, b) { return (isNumberArray(b) ? numberArray : genericArray)(a, b); } @@ -2701,7 +3296,7 @@ function genericArray(a, b) { c = new Array(nb), i; - for (i = 0; i < na; ++i) x[i] = interpolateValue(a[i], b[i]); + for (i = 0; i < na; ++i) x[i] = interpolate$2(a[i], b[i]); for (; i < nb; ++i) c[i] = b[i]; return function(t) { @@ -2710,7 +3305,7 @@ function genericArray(a, b) { }; } -function date(a, b) { +function date$1(a, b) { var d = new Date; return a = +a, b = +b, function(t) { return d.setTime(a * (1 - t) + b * t), d; @@ -2723,7 +3318,7 @@ function interpolateNumber(a, b) { }; } -function object(a, b) { +function object$1(a, b) { var i = {}, c = {}, k; @@ -2733,7 +3328,7 @@ function object(a, b) { for (k in b) { if (k in a) { - i[k] = interpolateValue(a[k], b[k]); + i[k] = interpolate$2(a[k], b[k]); } else { c[k] = b[k]; } @@ -2808,16 +3403,16 @@ function interpolateString(a, b) { }); } -function interpolateValue(a, b) { +function interpolate$2(a, b) { var t = typeof b, c; - return b == null || t === "boolean" ? constant$3(b) + return b == null || t === "boolean" ? constant$8(b) : (t === "number" ? interpolateNumber : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) : b instanceof color ? interpolateRgb - : b instanceof Date ? date + : b instanceof Date ? date$1 : isNumberArray(b) ? numberArray : Array.isArray(b) ? genericArray - : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object + : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object$1 : interpolateNumber)(a, b); } @@ -2828,8 +3423,8 @@ function discrete(range) { }; } -function hue$1(a, b) { - var i = hue(+a, +b); +function hue(a, b) { + var i = hue$1(+a, +b); return function(t) { var x = i(t); return x - 360 * Math.floor(x / 360); @@ -2842,9 +3437,9 @@ function interpolateRound(a, b) { }; } -var degrees = 180 / Math.PI; +var degrees$1 = 180 / Math.PI; -var identity$2 = { +var identity$7 = { translateX: 0, translateY: 0, rotate: 0, @@ -2862,33 +3457,26 @@ function decompose(a, b, c, d, e, f) { return { translateX: e, translateY: f, - rotate: Math.atan2(b, a) * degrees, - skewX: Math.atan(skewX) * degrees, + rotate: Math.atan2(b, a) * degrees$1, + skewX: Math.atan(skewX) * degrees$1, scaleX: scaleX, scaleY: scaleY }; } -var cssNode, - cssRoot, - cssView, - svgNode; +var svgNode; +/* eslint-disable no-undef */ function parseCss(value) { - if (value === "none") return identity$2; - if (!cssNode) cssNode = document.createElement("DIV"), cssRoot = document.documentElement, cssView = document.defaultView; - cssNode.style.transform = value; - value = cssView.getComputedStyle(cssRoot.appendChild(cssNode), null).getPropertyValue("transform"); - cssRoot.removeChild(cssNode); - value = value.slice(7, -1).split(","); - return decompose(+value[0], +value[1], +value[2], +value[3], +value[4], +value[5]); + const m = new (typeof DOMMatrix === "function" ? DOMMatrix : WebKitCSSMatrix)(value + ""); + return m.isIdentity ? identity$7 : decompose(m.a, m.b, m.c, m.d, m.e, m.f); } function parseSvg(value) { - if (value == null) return identity$2; + if (value == null) return identity$7; if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g"); svgNode.setAttribute("transform", value); - if (!(value = svgNode.transform.baseVal.consolidate())) return identity$2; + if (!(value = svgNode.transform.baseVal.consolidate())) return identity$7; value = value.matrix; return decompose(value.a, value.b, value.c, value.d, value.e, value.f); } @@ -2954,10 +3542,7 @@ function interpolateTransform(parse, pxComma, pxParen, degParen) { var interpolateTransformCss = interpolateTransform(parseCss, "px, ", "px)", "deg)"); var interpolateTransformSvg = interpolateTransform(parseSvg, ", ", ")", ")"); -var rho = Math.SQRT2, - rho2 = 2, - rho4 = 4, - epsilon2 = 1e-12; +var epsilon2$1 = 1e-12; function cosh(x) { return ((x = Math.exp(x)) + 1 / x) / 2; @@ -2971,57 +3556,67 @@ function tanh(x) { return ((x = Math.exp(2 * x)) - 1) / (x + 1); } -// p0 = [ux0, uy0, w0] -// p1 = [ux1, uy1, w1] -function interpolateZoom(p0, p1) { - var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], - ux1 = p1[0], uy1 = p1[1], w1 = p1[2], - dx = ux1 - ux0, - dy = uy1 - uy0, - d2 = dx * dx + dy * dy, - i, - S; - - // Special case for u0 ≅ u1. - if (d2 < epsilon2) { - S = Math.log(w1 / w0) / rho; - i = function(t) { - return [ - ux0 + t * dx, - uy0 + t * dy, - w0 * Math.exp(rho * t * S) - ]; - }; - } +var interpolateZoom = (function zoomRho(rho, rho2, rho4) { - // General case. - else { - var d1 = Math.sqrt(d2), - b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), - b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), - r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), - r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); - S = (r1 - r0) / rho; - i = function(t) { - var s = t * S, - coshr0 = cosh(r0), - u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0)); - return [ - ux0 + u * dx, - uy0 + u * dy, - w0 * coshr0 / cosh(rho * s + r0) - ]; - }; - } + // p0 = [ux0, uy0, w0] + // p1 = [ux1, uy1, w1] + function zoom(p0, p1) { + var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], + ux1 = p1[0], uy1 = p1[1], w1 = p1[2], + dx = ux1 - ux0, + dy = uy1 - uy0, + d2 = dx * dx + dy * dy, + i, + S; + + // Special case for u0 ≅ u1. + if (d2 < epsilon2$1) { + S = Math.log(w1 / w0) / rho; + i = function(t) { + return [ + ux0 + t * dx, + uy0 + t * dy, + w0 * Math.exp(rho * t * S) + ]; + }; + } - i.duration = S * 1000; + // General case. + else { + var d1 = Math.sqrt(d2), + b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), + b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), + r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), + r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); + S = (r1 - r0) / rho; + i = function(t) { + var s = t * S, + coshr0 = cosh(r0), + u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0)); + return [ + ux0 + u * dx, + uy0 + u * dy, + w0 * coshr0 / cosh(rho * s + r0) + ]; + }; + } - return i; -} + i.duration = S * 1000 * rho / Math.SQRT2; -function hsl$1(hue) { + return i; + } + + zoom.rho = function(_) { + var _1 = Math.max(1e-3, +_), _2 = _1 * _1, _4 = _2 * _2; + return zoomRho(_1, _2, _4); + }; + + return zoom; +})(Math.SQRT2, 2, 4); + +function hsl(hue) { return function(start, end) { - var h = hue((start = hsl(start)).h, (end = hsl(end)).h), + var h = hue((start = hsl$2(start)).h, (end = hsl$2(end)).h), s = nogamma(start.s, end.s), l = nogamma(start.l, end.l), opacity = nogamma(start.opacity, end.opacity); @@ -3035,11 +3630,11 @@ function hsl$1(hue) { } } -var hsl$2 = hsl$1(hue); -var hslLong = hsl$1(nogamma); +var hsl$1 = hsl(hue$1); +var hslLong = hsl(nogamma); -function lab$1(start, end) { - var l = nogamma((start = lab(start)).l, (end = lab(end)).l), +function lab(start, end) { + var l = nogamma((start = lab$1(start)).l, (end = lab$1(end)).l), a = nogamma(start.a, end.a), b = nogamma(start.b, end.b), opacity = nogamma(start.opacity, end.opacity); @@ -3052,9 +3647,9 @@ function lab$1(start, end) { }; } -function hcl$1(hue) { +function hcl(hue) { return function(start, end) { - var h = hue((start = hcl(start)).h, (end = hcl(end)).h), + var h = hue((start = hcl$2(start)).h, (end = hcl$2(end)).h), c = nogamma(start.c, end.c), l = nogamma(start.l, end.l), opacity = nogamma(start.opacity, end.opacity); @@ -3068,15 +3663,15 @@ function hcl$1(hue) { } } -var hcl$2 = hcl$1(hue); -var hclLong = hcl$1(nogamma); +var hcl$1 = hcl(hue$1); +var hclLong = hcl(nogamma); function cubehelix$1(hue) { return (function cubehelixGamma(y) { y = +y; - function cubehelix$1(start, end) { - var h = hue((start = cubehelix(start)).h, (end = cubehelix(end)).h), + function cubehelix(start, end) { + var h = hue((start = cubehelix$3(start)).h, (end = cubehelix$3(end)).h), s = nogamma(start.s, end.s), l = nogamma(start.l, end.l), opacity = nogamma(start.opacity, end.opacity); @@ -3089,16 +3684,17 @@ function cubehelix$1(hue) { }; } - cubehelix$1.gamma = cubehelixGamma; + cubehelix.gamma = cubehelixGamma; - return cubehelix$1; + return cubehelix; })(1); } -var cubehelix$2 = cubehelix$1(hue); +var cubehelix$2 = cubehelix$1(hue$1); var cubehelixLong = cubehelix$1(nogamma); function piecewise(interpolate, values) { + if (values === undefined) values = interpolate, interpolate = interpolate$2; var i = 0, n = values.length - 1, v = values[0], I = new Array(n < 0 ? 0 : n); while (i < n) I[i] = interpolate(v, v = values[++i]); return function(t) { @@ -3107,15 +3703,15 @@ function piecewise(interpolate, values) { }; } -function quantize(interpolator, n) { +function quantize$1(interpolator, n) { var samples = new Array(n); for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); return samples; } var frame = 0, // is an animation frame pending? - timeout = 0, // is a timeout pending? - interval = 0, // are any timers active? + timeout$1 = 0, // is a timeout pending? + interval$1 = 0, // are any timers active? pokeDelay = 1000, // how frequently we check for clock skew taskHead, taskTail, @@ -3181,7 +3777,7 @@ function timerFlush() { function wake() { clockNow = (clockLast = clock.now()) + clockSkew; - frame = timeout = 0; + frame = timeout$1 = 0; try { timerFlush(); } finally { @@ -3213,36 +3809,40 @@ function nap() { function sleep(time) { if (frame) return; // Soonest alarm already set, or will be. - if (timeout) timeout = clearTimeout(timeout); + if (timeout$1) timeout$1 = clearTimeout(timeout$1); var delay = time - clockNow; // Strictly less than if we recomputed clockNow. if (delay > 24) { - if (time < Infinity) timeout = setTimeout(wake, time - clock.now() - clockSkew); - if (interval) interval = clearInterval(interval); + if (time < Infinity) timeout$1 = setTimeout(wake, time - clock.now() - clockSkew); + if (interval$1) interval$1 = clearInterval(interval$1); } else { - if (!interval) clockLast = clock.now(), interval = setInterval(poke, pokeDelay); + if (!interval$1) clockLast = clock.now(), interval$1 = setInterval(poke, pokeDelay); frame = 1, setFrame(wake); } } -function timeout$1(callback, delay, time) { +function timeout(callback, delay, time) { var t = new Timer; delay = delay == null ? 0 : +delay; - t.restart(function(elapsed) { + t.restart(elapsed => { t.stop(); callback(elapsed + delay); }, delay, time); return t; } -function interval$1(callback, delay, time) { +function interval(callback, delay, time) { var t = new Timer, total = delay; if (delay == null) return t.restart(callback, delay, time), t; - delay = +delay, time = time == null ? now() : +time; - t.restart(function tick(elapsed) { - elapsed += total; - t.restart(tick, total += delay, time); - callback(elapsed); - }, delay, time); + t._restart = t.restart; + t.restart = function(callback, delay, time) { + delay = +delay, time = time == null ? now() : +time; + t._restart(function tick(elapsed) { + elapsed += total; + t._restart(tick, total += delay, time); + callback(elapsed); + }, delay, time); + }; + t.restart(callback, delay, time); return t; } @@ -3261,7 +3861,7 @@ function schedule(node, name, id, index, group, timing) { var schedules = node.__transition; if (!schedules) node.__transition = {}; else if (id in schedules) return; - create$1(node, id, { + create(node, id, { name: name, index: index, // For context during callback. group: group, // For context during callback. @@ -3277,24 +3877,24 @@ function schedule(node, name, id, index, group, timing) { } function init(node, id) { - var schedule = get$1(node, id); + var schedule = get(node, id); if (schedule.state > CREATED) throw new Error("too late; already scheduled"); return schedule; } -function set$1(node, id) { - var schedule = get$1(node, id); +function set(node, id) { + var schedule = get(node, id); if (schedule.state > STARTED) throw new Error("too late; already running"); return schedule; } -function get$1(node, id) { +function get(node, id) { var schedule = node.__transition; if (!schedule || !(schedule = schedule[id])) throw new Error("transition not found"); return schedule; } -function create$1(node, id, self) { +function create(node, id, self) { var schedules = node.__transition, tween; @@ -3324,7 +3924,7 @@ function create$1(node, id, self) { // While this element already has a starting transition during this frame, // defer starting an interrupting transition until that transition has a // chance to tick (and possibly end); see d3/d3-transition#54! - if (o.state === STARTED) return timeout$1(start); + if (o.state === STARTED) return timeout(start); // Interrupt the active transition, if any. if (o.state === RUNNING) { @@ -3347,7 +3947,7 @@ function create$1(node, id, self) { // Note the transition may be canceled after start and before the first tick! // Note this must be scheduled before the start event; see d3/d3-transition#16! // Assuming this is successful, subsequent callbacks go straight to tick. - timeout$1(function() { + timeout(function() { if (self.state === STARTED) { self.state = RUNNING; self.timer.restart(tick, self.delay, self.time); @@ -3429,7 +4029,7 @@ function selection_interrupt(name) { function tweenRemove(id, name) { var tween0, tween1; return function() { - var schedule = set$1(this, id), + var schedule = set(this, id), tween = schedule.tween; // If this node shared tween with the previous node, @@ -3454,7 +4054,7 @@ function tweenFunction(id, name, value) { var tween0, tween1; if (typeof value !== "function") throw new Error; return function() { - var schedule = set$1(this, id), + var schedule = set(this, id), tween = schedule.tween; // If this node shared tween with the previous node, @@ -3481,7 +4081,7 @@ function transition_tween(name, value) { name += ""; if (arguments.length < 2) { - var tween = get$1(this.node(), id).tween; + var tween = get(this.node(), id).tween; for (var i = 0, n = tween.length, t; i < n; ++i) { if ((t = tween[i]).name === name) { return t.value; @@ -3497,16 +4097,16 @@ function tweenValue(transition, name, value) { var id = transition._id; transition.each(function() { - var schedule = set$1(this, id); + var schedule = set(this, id); (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); }); return function(node) { - return get$1(node, id).value[name]; + return get(node, id).value[name]; }; } -function interpolate(a, b) { +function interpolate$1(a, b) { var c; return (typeof b === "number" ? interpolateNumber : b instanceof color ? interpolateRgb @@ -3514,19 +4114,19 @@ function interpolate(a, b) { : interpolateString)(a, b); } -function attrRemove$1(name) { +function attrRemove(name) { return function() { this.removeAttribute(name); }; } -function attrRemoveNS$1(fullname) { +function attrRemoveNS(fullname) { return function() { this.removeAttributeNS(fullname.space, fullname.local); }; } -function attrConstant$1(name, interpolate, value1) { +function attrConstant(name, interpolate, value1) { var string00, string1 = value1 + "", interpolate0; @@ -3538,7 +4138,7 @@ function attrConstant$1(name, interpolate, value1) { }; } -function attrConstantNS$1(fullname, interpolate, value1) { +function attrConstantNS(fullname, interpolate, value1) { var string00, string1 = value1 + "", interpolate0; @@ -3550,7 +4150,7 @@ function attrConstantNS$1(fullname, interpolate, value1) { }; } -function attrFunction$1(name, interpolate, value) { +function attrFunction(name, interpolate, value) { var string00, string10, interpolate0; @@ -3565,7 +4165,7 @@ function attrFunction$1(name, interpolate, value) { }; } -function attrFunctionNS$1(fullname, interpolate, value) { +function attrFunctionNS(fullname, interpolate, value) { var string00, string10, interpolate0; @@ -3581,11 +4181,11 @@ function attrFunctionNS$1(fullname, interpolate, value) { } function transition_attr(name, value) { - var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate; + var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate$1; return this.attrTween(name, typeof value === "function" - ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) - : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) - : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); + ? (fullname.local ? attrFunctionNS : attrFunction)(fullname, i, tweenValue(this, "attr." + name, value)) + : value == null ? (fullname.local ? attrRemoveNS : attrRemove)(fullname) + : (fullname.local ? attrConstantNS : attrConstant)(fullname, i, value)); } function attrInterpolate(name, i) { @@ -3650,18 +4250,18 @@ function transition_delay(value) { ? this.each((typeof value === "function" ? delayFunction : delayConstant)(id, value)) - : get$1(this.node(), id).delay; + : get(this.node(), id).delay; } function durationFunction(id, value) { return function() { - set$1(this, id).duration = +value.apply(this, arguments); + set(this, id).duration = +value.apply(this, arguments); }; } function durationConstant(id, value) { return value = +value, function() { - set$1(this, id).duration = value; + set(this, id).duration = value; }; } @@ -3672,13 +4272,13 @@ function transition_duration(value) { ? this.each((typeof value === "function" ? durationFunction : durationConstant)(id, value)) - : get$1(this.node(), id).duration; + : get(this.node(), id).duration; } function easeConstant(id, value) { if (typeof value !== "function") throw new Error; return function() { - set$1(this, id).ease = value; + set(this, id).ease = value; }; } @@ -3687,7 +4287,20 @@ function transition_ease(value) { return arguments.length ? this.each(easeConstant(id, value)) - : get$1(this.node(), id).ease; + : get(this.node(), id).ease; +} + +function easeVarying(id, value) { + return function() { + var v = value.apply(this, arguments); + if (typeof v !== "function") throw new Error; + set(this, id).ease = v; + }; +} + +function transition_easeVarying(value) { + if (typeof value !== "function") throw new Error; + return this.each(easeVarying(this._id, value)); } function transition_filter(match) { @@ -3731,7 +4344,7 @@ function start(name) { } function onFunction(id, name, listener) { - var on0, on1, sit = start(name) ? init : set$1; + var on0, on1, sit = start(name) ? init : set; return function() { var schedule = sit(this, id), on = schedule.on; @@ -3749,7 +4362,7 @@ function transition_on(name, listener) { var id = this._id; return arguments.length < 2 - ? get$1(this.node(), id).on.on(name) + ? get(this.node(), id).on.on(name) : this.each(onFunction(id, name, listener)); } @@ -3776,7 +4389,7 @@ function transition_select(select) { if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { if ("__data__" in node) subnode.__data__ = node.__data__; subgroup[i] = subnode; - schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); + schedule(subgroup[i], name, id, i, subgroup, get(node, id)); } } } @@ -3793,7 +4406,7 @@ function transition_selectAll(select) { for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { if (node = group[i]) { - for (var children = select.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { + for (var children = select.call(node, node.__data__, i, group), child, inherit = get(node, id), k = 0, l = children.length; k < l; ++k) { if (child = children[k]) { schedule(child, name, id, k, children, inherit); } @@ -3807,10 +4420,10 @@ function transition_selectAll(select) { return new Transition(subgroups, parents, name, id); } -var Selection$1 = selection.prototype.constructor; +var Selection = selection.prototype.constructor; function transition_selection() { - return new Selection$1(this._groups, this._parents); + return new Selection(this._groups, this._parents); } function styleNull(name, interpolate) { @@ -3826,13 +4439,13 @@ function styleNull(name, interpolate) { }; } -function styleRemove$1(name) { +function styleRemove(name) { return function() { this.style.removeProperty(name); }; } -function styleConstant$1(name, interpolate, value1) { +function styleConstant(name, interpolate, value1) { var string00, string1 = value1 + "", interpolate0; @@ -3844,7 +4457,7 @@ function styleConstant$1(name, interpolate, value1) { }; } -function styleFunction$1(name, interpolate, value) { +function styleFunction(name, interpolate, value) { var string00, string10, interpolate0; @@ -3862,9 +4475,9 @@ function styleFunction$1(name, interpolate, value) { function styleMaybeRemove(id, name) { var on0, on1, listener0, key = "style." + name, event = "end." + key, remove; return function() { - var schedule = set$1(this, id), + var schedule = set(this, id), on = schedule.on, - listener = schedule.value[key] == null ? remove || (remove = styleRemove$1(name)) : undefined; + listener = schedule.value[key] == null ? remove || (remove = styleRemove(name)) : undefined; // If this node shared a dispatch with the previous node, // just assign the updated shared dispatch and we’re done! @@ -3876,15 +4489,15 @@ function styleMaybeRemove(id, name) { } function transition_style(name, value, priority) { - var i = (name += "") === "transform" ? interpolateTransformCss : interpolate; + var i = (name += "") === "transform" ? interpolateTransformCss : interpolate$1; return value == null ? this .styleTween(name, styleNull(name, i)) - .on("end.style." + name, styleRemove$1(name)) + .on("end.style." + name, styleRemove(name)) : typeof value === "function" ? this - .styleTween(name, styleFunction$1(name, i, tweenValue(this, "style." + name, value))) + .styleTween(name, styleFunction(name, i, tweenValue(this, "style." + name, value))) .each(styleMaybeRemove(this._id, name)) : this - .styleTween(name, styleConstant$1(name, i, value), priority) + .styleTween(name, styleConstant(name, i, value), priority) .on("end.style." + name, null); } @@ -3913,13 +4526,13 @@ function transition_styleTween(name, value, priority) { return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); } -function textConstant$1(value) { +function textConstant(value) { return function() { this.textContent = value; }; } -function textFunction$1(value) { +function textFunction(value) { return function() { var value1 = value(this); this.textContent = value1 == null ? "" : value1; @@ -3928,8 +4541,8 @@ function textFunction$1(value) { function transition_text(value) { return this.tween("text", typeof value === "function" - ? textFunction$1(tweenValue(this, "text", value)) - : textConstant$1(value == null ? "" : value + "")); + ? textFunction(tweenValue(this, "text", value)) + : textConstant(value == null ? "" : value + "")); } function textInterpolate(i) { @@ -3965,7 +4578,7 @@ function transition_transition() { for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { if (node = group[i]) { - var inherit = get$1(node, id0); + var inherit = get(node, id0); schedule(node, name, id1, i, group, { time: inherit.time + inherit.delay + inherit.duration, delay: 0, @@ -3986,7 +4599,7 @@ function transition_end() { end = {value: function() { if (--size === 0) resolve(); }}; that.each(function() { - var schedule = set$1(this, id), + var schedule = set(this, id), on = schedule.on; // If this node shared a dispatch with the previous node, @@ -4001,6 +4614,9 @@ function transition_end() { schedule.on = on1; }); + + // The selection was empty, resolve end immediately + if (size === 0) resolve(); }); } @@ -4049,12 +4665,12 @@ Transition.prototype = transition.prototype = { delay: transition_delay, duration: transition_duration, ease: transition_ease, - end: transition_end + easeVarying: transition_easeVarying, + end: transition_end, + [Symbol.iterator]: selection_prototype[Symbol.iterator] }; -function linear$1(t) { - return +t; -} +const linear$1 = t => +t; function quadIn(t) { return t * t; @@ -4080,7 +4696,7 @@ function cubicInOut(t) { return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2; } -var exponent = 3; +var exponent$1 = 3; var polyIn = (function custom(e) { e = +e; @@ -4092,7 +4708,7 @@ var polyIn = (function custom(e) { polyIn.exponent = custom; return polyIn; -})(exponent); +})(exponent$1); var polyOut = (function custom(e) { e = +e; @@ -4104,7 +4720,7 @@ var polyOut = (function custom(e) { polyOut.exponent = custom; return polyOut; -})(exponent); +})(exponent$1); var polyInOut = (function custom(e) { e = +e; @@ -4116,33 +4732,38 @@ var polyInOut = (function custom(e) { polyInOut.exponent = custom; return polyInOut; -})(exponent); +})(exponent$1); -var pi = Math.PI, - halfPi = pi / 2; +var pi$4 = Math.PI, + halfPi$3 = pi$4 / 2; function sinIn(t) { - return 1 - Math.cos(t * halfPi); + return (+t === 1) ? 1 : 1 - Math.cos(t * halfPi$3); } function sinOut(t) { - return Math.sin(t * halfPi); + return Math.sin(t * halfPi$3); } function sinInOut(t) { - return (1 - Math.cos(pi * t)) / 2; + return (1 - Math.cos(pi$4 * t)) / 2; +} + +// tpmt is two power minus ten times t scaled to [0,1] +function tpmt(x) { + return (Math.pow(2, -10 * x) - 0.0009765625) * 1.0009775171065494; } function expIn(t) { - return Math.pow(2, 10 * t - 10); + return tpmt(1 - +t); } function expOut(t) { - return 1 - Math.pow(2, -10 * t); + return 1 - tpmt(t); } function expInOut(t) { - return ((t *= 2) <= 1 ? Math.pow(2, 10 * t - 10) : 2 - Math.pow(2, 10 - 10 * t)) / 2; + return ((t *= 2) <= 1 ? tpmt(1 - t) : 2 - tpmt(t - 1)) / 2; } function circleIn(t) { @@ -4186,7 +4807,7 @@ var backIn = (function custom(s) { s = +s; function backIn(t) { - return t * t * ((s + 1) * t - s); + return (t = +t) * t * (s * (t - 1) + t); } backIn.overshoot = custom; @@ -4198,7 +4819,7 @@ var backOut = (function custom(s) { s = +s; function backOut(t) { - return --t * t * ((s + 1) * t + s) + 1; + return --t * t * ((t + 1) * s + t) + 1; } backOut.overshoot = custom; @@ -4218,46 +4839,46 @@ var backInOut = (function custom(s) { return backInOut; })(overshoot); -var tau = 2 * Math.PI, +var tau$5 = 2 * Math.PI, amplitude = 1, period = 0.3; var elasticIn = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau$5); function elasticIn(t) { - return a * Math.pow(2, 10 * --t) * Math.sin((s - t) / p); + return a * tpmt(-(--t)) * Math.sin((s - t) / p); } - elasticIn.amplitude = function(a) { return custom(a, p * tau); }; + elasticIn.amplitude = function(a) { return custom(a, p * tau$5); }; elasticIn.period = function(p) { return custom(a, p); }; return elasticIn; })(amplitude, period); var elasticOut = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau$5); function elasticOut(t) { - return 1 - a * Math.pow(2, -10 * (t = +t)) * Math.sin((t + s) / p); + return 1 - a * tpmt(t = +t) * Math.sin((t + s) / p); } - elasticOut.amplitude = function(a) { return custom(a, p * tau); }; + elasticOut.amplitude = function(a) { return custom(a, p * tau$5); }; elasticOut.period = function(p) { return custom(a, p); }; return elasticOut; })(amplitude, period); var elasticInOut = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau$5); function elasticInOut(t) { return ((t = t * 2 - 1) < 0 - ? a * Math.pow(2, 10 * t) * Math.sin((s - t) / p) - : 2 - a * Math.pow(2, -10 * t) * Math.sin((s + t) / p)) / 2; + ? a * tpmt(-t) * Math.sin((s - t) / p) + : 2 - a * tpmt(t) * Math.sin((s + t) / p)) / 2; } - elasticInOut.amplitude = function(a) { return custom(a, p * tau); }; + elasticInOut.amplitude = function(a) { return custom(a, p * tau$5); }; elasticInOut.period = function(p) { return custom(a, p); }; return elasticInOut; @@ -4274,7 +4895,7 @@ function inherit(node, id) { var timing; while (!(timing = node.__transition) || !(timing = timing[id])) { if (!(node = node.parentNode)) { - return defaultTiming.time = now(), defaultTiming; + throw new Error(`transition ${id} not found`); } } return timing; @@ -4304,7 +4925,7 @@ function selection_transition(name) { selection.prototype.interrupt = selection_interrupt; selection.prototype.transition = selection_transition; -var root$1 = [null]; +var root = [null]; function active(node, name) { var schedules = node.__transition, @@ -4315,7 +4936,7 @@ function active(node, name) { name = name == null ? null : name + ""; for (i in schedules) { if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { - return new Transition([[node]], root$1, name, +i); + return new Transition([[node]], root, name, +i); } } } @@ -4323,25 +4944,32 @@ function active(node, name) { return null; } -function constant$4(x) { - return function() { - return x; - }; -} - -function BrushEvent(target, type, selection) { - this.target = target; - this.type = type; - this.selection = selection; +var constant$7 = x => () => x; + +function BrushEvent(type, { + sourceEvent, + target, + selection, + mode, + dispatch +}) { + Object.defineProperties(this, { + type: {value: type, enumerable: true, configurable: true}, + sourceEvent: {value: sourceEvent, enumerable: true, configurable: true}, + target: {value: target, enumerable: true, configurable: true}, + selection: {value: selection, enumerable: true, configurable: true}, + mode: {value: mode, enumerable: true, configurable: true}, + _: {value: dispatch} + }); } -function nopropagation$1() { - exports.event.stopImmediatePropagation(); +function nopropagation$1(event) { + event.stopImmediatePropagation(); } -function noevent$1() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); +function noevent$1(event) { + event.preventDefault(); + event.stopImmediatePropagation(); } var MODE_DRAG = {name: "drag"}, @@ -4349,6 +4977,8 @@ var MODE_DRAG = {name: "drag"}, MODE_HANDLE = {name: "handle"}, MODE_CENTER = {name: "center"}; +const {abs: abs$3, max: max$2, min: min$1} = Math; + function number1(e) { return [+e[0], +e[1]]; } @@ -4357,12 +4987,6 @@ function number2(e) { return [number1(e[0]), number1(e[1])]; } -function toucher(identifier) { - return function(target) { - return touch(target, exports.event.touches, identifier); - }; -} - var X = { name: "x", handles: ["w", "e"].map(type), @@ -4446,11 +5070,11 @@ function type(t) { } // Ignore right-click, since that should open the context menu. -function defaultFilter$1() { - return !exports.event.ctrlKey && !exports.event.button; +function defaultFilter$1(event) { + return !event.ctrlKey && !event.button; } -function defaultExtent() { +function defaultExtent$1() { var svg = this.ownerSVGElement || this; if (svg.hasAttribute("viewBox")) { svg = svg.viewBox.baseVal; @@ -4464,12 +5088,12 @@ function defaultTouchable$1() { } // Like d3.local, but with the name “__brush” rather than auto-generated. -function local$1(node) { +function local(node) { while (!node.__brush) if (!(node = node.parentNode)) return; return node.__brush; } -function empty$1(extent) { +function empty(extent) { return extent[0][0] === extent[1][0] || extent[0][1] === extent[1][1]; } @@ -4492,7 +5116,7 @@ function brush() { } function brush$1(dim) { - var extent = defaultExtent, + var extent = defaultExtent$1, filter = defaultFilter$1, touchable = defaultTouchable$1, keys = true, @@ -4512,7 +5136,7 @@ function brush$1(dim) { .attr("cursor", cursors.overlay) .merge(overlay) .each(function() { - var extent = local$1(this).extent; + var extent = local(this).extent; select(this) .attr("x", extent[0][0]) .attr("y", extent[0][1]) @@ -4553,17 +5177,17 @@ function brush$1(dim) { } brush.move = function(group, selection) { - if (group.selection) { + if (group.tween) { group - .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) - .on("interrupt.brush end.brush", function() { emitter(this, arguments).end(); }) + .on("start.brush", function(event) { emitter(this, arguments).beforestart().start(event); }) + .on("interrupt.brush end.brush", function(event) { emitter(this, arguments).end(event); }) .tween("brush", function() { var that = this, state = that.__brush, emit = emitter(that, arguments), selection0 = state.selection, selection1 = dim.input(typeof selection === "function" ? selection.apply(this, arguments) : selection, state.extent), - i = interpolateValue(selection0, selection1); + i = interpolate$2(selection0, selection1); function tween(t) { state.selection = t === 1 && selection1 === null ? null : i(t); @@ -4596,7 +5220,7 @@ function brush$1(dim) { function redraw() { var group = select(this), - selection = local$1(this).selection; + selection = local(this).selection; if (selection) { group.selectAll(".selection") @@ -4625,14 +5249,16 @@ function brush$1(dim) { } function emitter(that, args, clean) { - return (!clean && that.__brush.emitter) || new Emitter(that, args); + var emit = that.__brush.emitter; + return emit && (!clean || !emit.clean) ? emit : new Emitter(that, args, clean); } - function Emitter(that, args) { + function Emitter(that, args, clean) { this.that = that; this.args = args; this.state = that.__brush; this.active = 0; + this.clean = clean; } Emitter.prototype = { @@ -4640,34 +5266,46 @@ function brush$1(dim) { if (++this.active === 1) this.state.emitter = this, this.starting = true; return this; }, - start: function() { - if (this.starting) this.starting = false, this.emit("start"); - else this.emit("brush"); + start: function(event, mode) { + if (this.starting) this.starting = false, this.emit("start", event, mode); + else this.emit("brush", event); return this; }, - brush: function() { - this.emit("brush"); + brush: function(event, mode) { + this.emit("brush", event, mode); return this; }, - end: function() { - if (--this.active === 0) delete this.state.emitter, this.emit("end"); + end: function(event, mode) { + if (--this.active === 0) delete this.state.emitter, this.emit("end", event, mode); return this; }, - emit: function(type) { - customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]); + emit: function(type, event, mode) { + var d = select(this.that).datum(); + listeners.call( + type, + this.that, + new BrushEvent(type, { + sourceEvent: event, + target: brush, + selection: dim.output(this.state.selection), + mode, + dispatch: listeners + }), + d + ); } }; - function started() { - if (touchending && !exports.event.touches) return; + function started(event) { + if (touchending && !event.touches) return; if (!filter.apply(this, arguments)) return; var that = this, - type = exports.event.target.__data__.type, - mode = (keys && exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (keys && exports.event.altKey ? MODE_CENTER : MODE_HANDLE), + type = event.target.__data__.type, + mode = (keys && event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (keys && event.altKey ? MODE_CENTER : MODE_HANDLE), signX = dim === Y ? null : signsX[type], signY = dim === X ? null : signsY[type], - state = local$1(that), + state = local(that), extent = state.extent, selection = state.selection, W = extent[0][0], w0, w1, @@ -4677,20 +5315,28 @@ function brush$1(dim) { dx = 0, dy = 0, moving, - shifting = signX && signY && keys && exports.event.shiftKey, + shifting = signX && signY && keys && event.shiftKey, lockX, lockY, - pointer = exports.event.touches ? toucher(exports.event.changedTouches[0].identifier) : mouse, - point0 = pointer(that), - point = point0, - emit = emitter(that, arguments, true).beforestart(); + points = Array.from(event.touches || [event], t => { + const i = t.identifier; + t = pointer(t, that); + t.point0 = t.slice(); + t.identifier = i; + return t; + }); if (type === "overlay") { if (selection) moving = true; - state.selection = selection = [ - [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], - [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] - ]; + const pts = [points[0], points[1] || points[0]]; + state.selection = selection = [[ + w0 = dim === Y ? W : min$1(pts[0][0], pts[1][0]), + n0 = dim === X ? N : min$1(pts[0][1], pts[1][1]) + ], [ + e0 = dim === Y ? E : max$2(pts[0][0], pts[1][0]), + s0 = dim === X ? S : max$2(pts[0][1], pts[1][1]) + ]]; + if (points.length > 1) move(); } else { w0 = selection[0][0]; n0 = selection[0][1]; @@ -4709,38 +5355,47 @@ function brush$1(dim) { var overlay = group.selectAll(".overlay") .attr("cursor", cursors[type]); - if (exports.event.touches) { + interrupt(that); + var emit = emitter(that, arguments, true).beforestart(); + + if (event.touches) { emit.moved = moved; emit.ended = ended; } else { - var view = select(exports.event.view) + var view = select(event.view) .on("mousemove.brush", moved, true) .on("mouseup.brush", ended, true); if (keys) view .on("keydown.brush", keydowned, true) .on("keyup.brush", keyupped, true); - dragDisable(exports.event.view); + dragDisable(event.view); } - nopropagation$1(); - interrupt(that); redraw.call(that); - emit.start(); + emit.start(event, mode.name); - function moved() { - var point1 = pointer(that); - if (shifting && !lockX && !lockY) { - if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true; - else lockX = true; + function moved(event) { + for (const p of event.changedTouches || [event]) { + for (const d of points) + if (d.identifier === p.identifier) d.cur = pointer(p, that); } - point = point1; + if (shifting && !lockX && !lockY && points.length === 1) { + const point = points[0]; + if (abs$3(point.cur[0] - point[0]) > abs$3(point.cur[1] - point[1])) + lockY = true; + else + lockX = true; + } + for (const point of points) + if (point.cur) point[0] = point.cur[0], point[1] = point.cur[1]; moving = true; - noevent$1(); - move(); + noevent$1(event); + move(event); } - function move() { + function move(event) { + const point = points[0], point0 = point.point0; var t; dx = point[0] - point0[0]; @@ -4749,20 +5404,25 @@ function brush$1(dim) { switch (mode) { case MODE_SPACE: case MODE_DRAG: { - if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx; - if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy; + if (signX) dx = max$2(W - w0, min$1(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx; + if (signY) dy = max$2(N - n0, min$1(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy; break; } case MODE_HANDLE: { - if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0; - else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx; - if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0; - else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy; + if (points[1]) { + if (signX) w1 = max$2(W, min$1(E, points[0][0])), e1 = max$2(W, min$1(E, points[1][0])), signX = 1; + if (signY) n1 = max$2(N, min$1(S, points[0][1])), s1 = max$2(N, min$1(S, points[1][1])), signY = 1; + } else { + if (signX < 0) dx = max$2(W - w0, min$1(E - w0, dx)), w1 = w0 + dx, e1 = e0; + else if (signX > 0) dx = max$2(W - e0, min$1(E - e0, dx)), w1 = w0, e1 = e0 + dx; + if (signY < 0) dy = max$2(N - n0, min$1(S - n0, dy)), n1 = n0 + dy, s1 = s0; + else if (signY > 0) dy = max$2(N - s0, min$1(S - s0, dy)), n1 = n0, s1 = s0 + dy; + } break; } case MODE_CENTER: { - if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX)); - if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY)); + if (signX) w1 = max$2(W, min$1(E, w0 - dx * signX)), e1 = max$2(W, min$1(E, e0 + dx * signX)); + if (signY) n1 = max$2(N, min$1(S, n0 - dy * signY)), s1 = max$2(N, min$1(S, s0 + dy * signY)); break; } } @@ -4791,29 +5451,29 @@ function brush$1(dim) { || selection[1][1] !== s1) { state.selection = [[w1, n1], [e1, s1]]; redraw.call(that); - emit.brush(); + emit.brush(event, mode.name); } } - function ended() { - nopropagation$1(); - if (exports.event.touches) { - if (exports.event.touches.length) return; + function ended(event) { + nopropagation$1(event); + if (event.touches) { + if (event.touches.length) return; if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! } else { - yesdrag(exports.event.view, moving); + yesdrag(event.view, moving); view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); } group.attr("pointer-events", "all"); overlay.attr("cursor", cursors.overlay); if (state.selection) selection = state.selection; // May be set by brush.move (on start)! - if (empty$1(selection)) state.selection = null, redraw.call(that); - emit.end(); + if (empty(selection)) state.selection = null, redraw.call(that); + emit.end(event, mode.name); } - function keydowned() { - switch (exports.event.keyCode) { + function keydowned(event) { + switch (event.keyCode) { case 16: { // SHIFT shifting = signX && signY; break; @@ -4839,11 +5499,11 @@ function brush$1(dim) { } default: return; } - noevent$1(); + noevent$1(event); } - function keyupped() { - switch (exports.event.keyCode) { + function keyupped(event) { + switch (event.keyCode) { case 16: { // SHIFT if (shifting) { lockX = lockY = shifting = false; @@ -4862,7 +5522,7 @@ function brush$1(dim) { } case 32: { // SPACE if (mode === MODE_SPACE) { - if (exports.event.altKey) { + if (event.altKey) { if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; mode = MODE_CENTER; @@ -4878,16 +5538,16 @@ function brush$1(dim) { } default: return; } - noevent$1(); + noevent$1(event); } } - function touchmoved() { - emitter(this, arguments).moved(); + function touchmoved(event) { + emitter(this, arguments).moved(event); } - function touchended() { - emitter(this, arguments).ended(); + function touchended(event) { + emitter(this, arguments).ended(event); } function initialize() { @@ -4898,15 +5558,15 @@ function brush$1(dim) { } brush.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$4(number2(_)), brush) : extent; + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$7(number2(_)), brush) : extent; }; brush.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$4(!!_), brush) : filter; + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$7(!!_), brush) : filter; }; brush.touchable = function(_) { - return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$4(!!_), brush) : touchable; + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$7(!!_), brush) : touchable; }; brush.handleSize = function(_) { @@ -4925,12 +5585,18 @@ function brush$1(dim) { return brush; } -var cos = Math.cos; -var sin = Math.sin; -var pi$1 = Math.PI; -var halfPi$1 = pi$1 / 2; -var tau$1 = pi$1 * 2; +var abs$2 = Math.abs; +var cos$2 = Math.cos; +var sin$2 = Math.sin; +var pi$3 = Math.PI; +var halfPi$2 = pi$3 / 2; +var tau$4 = pi$3 * 2; var max$1 = Math.max; +var epsilon$4 = 1e-12; + +function range$1(i, j) { + return Array.from({length: j - i}, (_, k) => i + k); +} function compareValue(compare) { return function(a, b) { @@ -4942,6 +5608,18 @@ function compareValue(compare) { } function chord() { + return chord$1(false, false); +} + +function chordTranspose() { + return chord$1(false, true); +} + +function chordDirected() { + return chord$1(true, false); +} + +function chord$1(directed, transpose) { var padAngle = 0, sortGroups = null, sortSubgroups = null, @@ -4949,86 +5627,72 @@ function chord() { function chord(matrix) { var n = matrix.length, - groupSums = [], - groupIndex = sequence(n), - subgroupIndex = [], - chords = [], - groups = chords.groups = new Array(n), - subgroups = new Array(n * n), - k, - x, - x0, - dx, - i, - j; - - // Compute the sum. - k = 0, i = -1; while (++i < n) { - x = 0, j = -1; while (++j < n) { - x += matrix[i][j]; - } - groupSums.push(x); - subgroupIndex.push(sequence(n)); - k += x; - } - - // Sort groups… - if (sortGroups) groupIndex.sort(function(a, b) { - return sortGroups(groupSums[a], groupSums[b]); - }); - - // Sort subgroups… - if (sortSubgroups) subgroupIndex.forEach(function(d, i) { - d.sort(function(a, b) { - return sortSubgroups(matrix[i][a], matrix[i][b]); - }); - }); - - // Convert the sum to scaling factor for [0, 2pi]. - // TODO Allow start and end angle to be specified? - // TODO Allow padding to be specified as percentage? - k = max$1(0, tau$1 - padAngle * n) / k; - dx = k ? padAngle : tau$1 / n; - - // Compute the start and end angle for each group and subgroup. - // Note: Opera has a bug reordering object literal properties! - x = 0, i = -1; while (++i < n) { - x0 = x, j = -1; while (++j < n) { - var di = groupIndex[i], - dj = subgroupIndex[di][j], - v = matrix[di][dj], - a0 = x, - a1 = x += v * k; - subgroups[dj * n + di] = { - index: di, - subindex: dj, - startAngle: a0, - endAngle: a1, - value: v - }; - } - groups[di] = { - index: di, - startAngle: x0, - endAngle: x, - value: groupSums[di] - }; - x += dx; - } - - // Generate chords for each (non-empty) subgroup-subgroup link. - i = -1; while (++i < n) { - j = i - 1; while (++j < n) { - var source = subgroups[j * n + i], - target = subgroups[i * n + j]; - if (source.value || target.value) { - chords.push(source.value < target.value - ? {source: target, target: source} - : {source: source, target: target}); + groupSums = new Array(n), + groupIndex = range$1(0, n), + chords = new Array(n * n), + groups = new Array(n), + k = 0, dx; + + matrix = Float64Array.from({length: n * n}, transpose + ? (_, i) => matrix[i % n][i / n | 0] + : (_, i) => matrix[i / n | 0][i % n]); + + // Compute the scaling factor from value to angle in [0, 2pi]. + for (let i = 0; i < n; ++i) { + let x = 0; + for (let j = 0; j < n; ++j) x += matrix[i * n + j] + directed * matrix[j * n + i]; + k += groupSums[i] = x; + } + k = max$1(0, tau$4 - padAngle * n) / k; + dx = k ? padAngle : tau$4 / n; + + // Compute the angles for each group and constituent chord. + { + let x = 0; + if (sortGroups) groupIndex.sort((a, b) => sortGroups(groupSums[a], groupSums[b])); + for (const i of groupIndex) { + const x0 = x; + if (directed) { + const subgroupIndex = range$1(~n + 1, n).filter(j => j < 0 ? matrix[~j * n + i] : matrix[i * n + j]); + if (sortSubgroups) subgroupIndex.sort((a, b) => sortSubgroups(a < 0 ? -matrix[~a * n + i] : matrix[i * n + a], b < 0 ? -matrix[~b * n + i] : matrix[i * n + b])); + for (const j of subgroupIndex) { + if (j < 0) { + const chord = chords[~j * n + i] || (chords[~j * n + i] = {source: null, target: null}); + chord.target = {index: i, startAngle: x, endAngle: x += matrix[~j * n + i] * k, value: matrix[~j * n + i]}; + } else { + const chord = chords[i * n + j] || (chords[i * n + j] = {source: null, target: null}); + chord.source = {index: i, startAngle: x, endAngle: x += matrix[i * n + j] * k, value: matrix[i * n + j]}; + } + } + groups[i] = {index: i, startAngle: x0, endAngle: x, value: groupSums[i]}; + } else { + const subgroupIndex = range$1(0, n).filter(j => matrix[i * n + j] || matrix[j * n + i]); + if (sortSubgroups) subgroupIndex.sort((a, b) => sortSubgroups(matrix[i * n + a], matrix[i * n + b])); + for (const j of subgroupIndex) { + let chord; + if (i < j) { + chord = chords[i * n + j] || (chords[i * n + j] = {source: null, target: null}); + chord.source = {index: i, startAngle: x, endAngle: x += matrix[i * n + j] * k, value: matrix[i * n + j]}; + } else { + chord = chords[j * n + i] || (chords[j * n + i] = {source: null, target: null}); + chord.target = {index: i, startAngle: x, endAngle: x += matrix[i * n + j] * k, value: matrix[i * n + j]}; + if (i === j) chord.source = chord.target; + } + if (chord.source && chord.target && chord.source.value < chord.target.value) { + const source = chord.source; + chord.source = chord.target; + chord.target = source; + } + } + groups[i] = {index: i, startAngle: x0, endAngle: x, value: groupSums[i]}; } + x += dx; } } + // Remove empty chords. + chords = Object.values(chords); + chords.groups = groups; return sortChords ? chords.sort(sortChords) : chords; } @@ -5051,31 +5715,23 @@ function chord() { return chord; } -var slice$2 = Array.prototype.slice; - -function constant$5(x) { - return function() { - return x; - }; -} - -var pi$2 = Math.PI, - tau$2 = 2 * pi$2, - epsilon$1 = 1e-6, - tauEpsilon = tau$2 - epsilon$1; +const pi$2 = Math.PI, + tau$3 = 2 * pi$2, + epsilon$3 = 1e-6, + tauEpsilon = tau$3 - epsilon$3; -function Path() { +function Path$1() { this._x0 = this._y0 = // start of current subpath this._x1 = this._y1 = null; // end of current subpath this._ = ""; } function path() { - return new Path; + return new Path$1; } -Path.prototype = path.prototype = { - constructor: Path, +Path$1.prototype = path.prototype = { + constructor: Path$1, moveTo: function(x, y) { this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y); }, @@ -5113,12 +5769,12 @@ Path.prototype = path.prototype = { } // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. - else if (!(l01_2 > epsilon$1)); + else if (!(l01_2 > epsilon$3)); // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? // Equivalently, is (x1,y1) coincident with (x2,y2)? // Or, is the radius zero? Line to (x1,y1). - else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon$1) || !r) { + else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon$3) || !r) { this._ += "L" + (this._x1 = x1) + "," + (this._y1 = y1); } @@ -5135,7 +5791,7 @@ Path.prototype = path.prototype = { t21 = l / l21; // If the start tangent is not coincident with (x0,y0), line to. - if (Math.abs(t01 - 1) > epsilon$1) { + if (Math.abs(t01 - 1) > epsilon$3) { this._ += "L" + (x1 + t01 * x01) + "," + (y1 + t01 * y01); } @@ -5160,7 +5816,7 @@ Path.prototype = path.prototype = { } // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). - else if (Math.abs(this._x1 - x0) > epsilon$1 || Math.abs(this._y1 - y0) > epsilon$1) { + else if (Math.abs(this._x1 - x0) > epsilon$3 || Math.abs(this._y1 - y0) > epsilon$3) { this._ += "L" + x0 + "," + y0; } @@ -5168,7 +5824,7 @@ Path.prototype = path.prototype = { if (!r) return; // Does the angle go the wrong way? Flip the direction. - if (da < 0) da = da % tau$2 + tau$2; + if (da < 0) da = da % tau$3 + tau$3; // Is this a complete circle? Draw two arcs to complete the circle. if (da > tauEpsilon) { @@ -5176,7 +5832,7 @@ Path.prototype = path.prototype = { } // Is this arc non-empty? Draw an arc! - else if (da > epsilon$1) { + else if (da > epsilon$3) { this._ += "A" + r + "," + r + ",0," + (+(da >= pi$2)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1)); } }, @@ -5188,7 +5844,15 @@ Path.prototype = path.prototype = { } }; -function defaultSource(d) { +var slice$2 = Array.prototype.slice; + +function constant$6(x) { + return function() { + return x; + }; +} + +function defaultSource$1(d) { return d.source; } @@ -5196,7 +5860,7 @@ function defaultTarget(d) { return d.target; } -function defaultRadius(d) { +function defaultRadius$1(d) { return d.radius; } @@ -5208,52 +5872,91 @@ function defaultEndAngle(d) { return d.endAngle; } -function ribbon() { - var source = defaultSource, +function defaultPadAngle() { + return 0; +} + +function defaultArrowheadRadius() { + return 10; +} + +function ribbon(headRadius) { + var source = defaultSource$1, target = defaultTarget, - radius = defaultRadius, + sourceRadius = defaultRadius$1, + targetRadius = defaultRadius$1, startAngle = defaultStartAngle, endAngle = defaultEndAngle, + padAngle = defaultPadAngle, context = null; function ribbon() { var buffer, + s = source.apply(this, arguments), + t = target.apply(this, arguments), + ap = padAngle.apply(this, arguments) / 2, argv = slice$2.call(arguments), - s = source.apply(this, argv), - t = target.apply(this, argv), - sr = +radius.apply(this, (argv[0] = s, argv)), - sa0 = startAngle.apply(this, argv) - halfPi$1, - sa1 = endAngle.apply(this, argv) - halfPi$1, - sx0 = sr * cos(sa0), - sy0 = sr * sin(sa0), - tr = +radius.apply(this, (argv[0] = t, argv)), - ta0 = startAngle.apply(this, argv) - halfPi$1, - ta1 = endAngle.apply(this, argv) - halfPi$1; + sr = +sourceRadius.apply(this, (argv[0] = s, argv)), + sa0 = startAngle.apply(this, argv) - halfPi$2, + sa1 = endAngle.apply(this, argv) - halfPi$2, + tr = +targetRadius.apply(this, (argv[0] = t, argv)), + ta0 = startAngle.apply(this, argv) - halfPi$2, + ta1 = endAngle.apply(this, argv) - halfPi$2; if (!context) context = buffer = path(); - context.moveTo(sx0, sy0); + if (ap > epsilon$4) { + if (abs$2(sa1 - sa0) > ap * 2 + epsilon$4) sa1 > sa0 ? (sa0 += ap, sa1 -= ap) : (sa0 -= ap, sa1 += ap); + else sa0 = sa1 = (sa0 + sa1) / 2; + if (abs$2(ta1 - ta0) > ap * 2 + epsilon$4) ta1 > ta0 ? (ta0 += ap, ta1 -= ap) : (ta0 -= ap, ta1 += ap); + else ta0 = ta1 = (ta0 + ta1) / 2; + } + + context.moveTo(sr * cos$2(sa0), sr * sin$2(sa0)); context.arc(0, 0, sr, sa0, sa1); - if (sa0 !== ta0 || sa1 !== ta1) { // TODO sr !== tr? - context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0)); - context.arc(0, 0, tr, ta0, ta1); + if (sa0 !== ta0 || sa1 !== ta1) { + if (headRadius) { + var hr = +headRadius.apply(this, arguments), tr2 = tr - hr, ta2 = (ta0 + ta1) / 2; + context.quadraticCurveTo(0, 0, tr2 * cos$2(ta0), tr2 * sin$2(ta0)); + context.lineTo(tr * cos$2(ta2), tr * sin$2(ta2)); + context.lineTo(tr2 * cos$2(ta1), tr2 * sin$2(ta1)); + } else { + context.quadraticCurveTo(0, 0, tr * cos$2(ta0), tr * sin$2(ta0)); + context.arc(0, 0, tr, ta0, ta1); + } } - context.quadraticCurveTo(0, 0, sx0, sy0); + context.quadraticCurveTo(0, 0, sr * cos$2(sa0), sr * sin$2(sa0)); context.closePath(); if (buffer) return context = null, buffer + "" || null; } + if (headRadius) ribbon.headRadius = function(_) { + return arguments.length ? (headRadius = typeof _ === "function" ? _ : constant$6(+_), ribbon) : headRadius; + }; + ribbon.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$5(+_), ribbon) : radius; + return arguments.length ? (sourceRadius = targetRadius = typeof _ === "function" ? _ : constant$6(+_), ribbon) : sourceRadius; + }; + + ribbon.sourceRadius = function(_) { + return arguments.length ? (sourceRadius = typeof _ === "function" ? _ : constant$6(+_), ribbon) : sourceRadius; + }; + + ribbon.targetRadius = function(_) { + return arguments.length ? (targetRadius = typeof _ === "function" ? _ : constant$6(+_), ribbon) : targetRadius; }; ribbon.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$5(+_), ribbon) : startAngle; + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$6(+_), ribbon) : startAngle; }; ribbon.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$5(+_), ribbon) : endAngle; + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$6(+_), ribbon) : endAngle; + }; + + ribbon.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$6(+_), ribbon) : padAngle; }; ribbon.source = function(_) { @@ -5271,227 +5974,31 @@ function ribbon() { return ribbon; } -var prefix = "$"; - -function Map() {} - -Map.prototype = map$1.prototype = { - constructor: Map, - has: function(key) { - return (prefix + key) in this; - }, - get: function(key) { - return this[prefix + key]; - }, - set: function(key, value) { - this[prefix + key] = value; - return this; - }, - remove: function(key) { - var property = prefix + key; - return property in this && delete this[property]; - }, - clear: function() { - for (var property in this) if (property[0] === prefix) delete this[property]; - }, - keys: function() { - var keys = []; - for (var property in this) if (property[0] === prefix) keys.push(property.slice(1)); - return keys; - }, - values: function() { - var values = []; - for (var property in this) if (property[0] === prefix) values.push(this[property]); - return values; - }, - entries: function() { - var entries = []; - for (var property in this) if (property[0] === prefix) entries.push({key: property.slice(1), value: this[property]}); - return entries; - }, - size: function() { - var size = 0; - for (var property in this) if (property[0] === prefix) ++size; - return size; - }, - empty: function() { - for (var property in this) if (property[0] === prefix) return false; - return true; - }, - each: function(f) { - for (var property in this) if (property[0] === prefix) f(this[property], property.slice(1), this); - } -}; - -function map$1(object, f) { - var map = new Map; - - // Copy constructor. - if (object instanceof Map) object.each(function(value, key) { map.set(key, value); }); - - // Index array by numeric index or specified key function. - else if (Array.isArray(object)) { - var i = -1, - n = object.length, - o; - - if (f == null) while (++i < n) map.set(i, object[i]); - else while (++i < n) map.set(f(o = object[i], i, object), o); - } - - // Convert object to map. - else if (object) for (var key in object) map.set(key, object[key]); - - return map; -} - -function nest() { - var keys = [], - sortKeys = [], - sortValues, - rollup, - nest; - - function apply(array, depth, createResult, setResult) { - if (depth >= keys.length) { - if (sortValues != null) array.sort(sortValues); - return rollup != null ? rollup(array) : array; - } - - var i = -1, - n = array.length, - key = keys[depth++], - keyValue, - value, - valuesByKey = map$1(), - values, - result = createResult(); - - while (++i < n) { - if (values = valuesByKey.get(keyValue = key(value = array[i]) + "")) { - values.push(value); - } else { - valuesByKey.set(keyValue, [value]); - } - } - - valuesByKey.each(function(values, key) { - setResult(result, key, apply(values, depth, createResult, setResult)); - }); - - return result; - } - - function entries(map, depth) { - if (++depth > keys.length) return map; - var array, sortKey = sortKeys[depth - 1]; - if (rollup != null && depth >= keys.length) array = map.entries(); - else array = [], map.each(function(v, k) { array.push({key: k, values: entries(v, depth)}); }); - return sortKey != null ? array.sort(function(a, b) { return sortKey(a.key, b.key); }) : array; - } - - return nest = { - object: function(array) { return apply(array, 0, createObject, setObject); }, - map: function(array) { return apply(array, 0, createMap, setMap); }, - entries: function(array) { return entries(apply(array, 0, createMap, setMap), 0); }, - key: function(d) { keys.push(d); return nest; }, - sortKeys: function(order) { sortKeys[keys.length - 1] = order; return nest; }, - sortValues: function(order) { sortValues = order; return nest; }, - rollup: function(f) { rollup = f; return nest; } - }; -} - -function createObject() { - return {}; -} - -function setObject(object, key, value) { - object[key] = value; -} - -function createMap() { - return map$1(); -} - -function setMap(map, key, value) { - map.set(key, value); -} - -function Set() {} - -var proto = map$1.prototype; - -Set.prototype = set$2.prototype = { - constructor: Set, - has: proto.has, - add: function(value) { - value += ""; - this[prefix + value] = value; - return this; - }, - remove: proto.remove, - clear: proto.clear, - values: proto.keys, - size: proto.size, - empty: proto.empty, - each: proto.each -}; - -function set$2(object, f) { - var set = new Set; - - // Copy constructor. - if (object instanceof Set) object.each(function(value) { set.add(value); }); - - // Otherwise, assume it’s an array. - else if (object) { - var i = -1, n = object.length; - if (f == null) while (++i < n) set.add(object[i]); - else while (++i < n) set.add(f(object[i], i, object)); - } - - return set; -} - -function keys(map) { - var keys = []; - for (var key in map) keys.push(key); - return keys; +function ribbon$1() { + return ribbon(); } -function values(map) { - var values = []; - for (var key in map) values.push(map[key]); - return values; -} - -function entries(map) { - var entries = []; - for (var key in map) entries.push({key: key, value: map[key]}); - return entries; +function ribbonArrow() { + return ribbon(defaultArrowheadRadius); } var array$2 = Array.prototype; -var slice$3 = array$2.slice; +var slice$1 = array$2.slice; -function ascending$2(a, b) { +function ascending$1(a, b) { return a - b; } -function area(ring) { +function area$3(ring) { var i = 0, n = ring.length, area = ring[n - 1][1] * ring[0][0] - ring[n - 1][0] * ring[0][1]; while (++i < n) area += ring[i - 1][1] * ring[i][0] - ring[i - 1][0] * ring[i][1]; return area; } -function constant$6(x) { - return function() { - return x; - }; -} +var constant$5 = x => () => x; -function contains(ring, hole) { +function contains$2(ring, hole) { var i = -1, n = hole.length, c; while (++i < n) if (c = ringContains(ring, hole[i])) return c; return 0; @@ -5508,10 +6015,10 @@ function ringContains(ring, point) { } function segmentContains(a, b, c) { - var i; return collinear(a, b, c) && within(a[i = +(a[0] === b[0])], c[i], b[i]); + var i; return collinear$1(a, b, c) && within(a[i = +(a[0] === b[0])], c[i], b[i]); } -function collinear(a, b, c) { +function collinear$1(a, b, c) { return (b[0] - a[0]) * (c[1] - a[1]) === (c[0] - a[0]) * (b[1] - a[1]); } @@ -5519,7 +6026,7 @@ function within(p, q, r) { return p <= q && q <= r || r <= q && q <= p; } -function noop$1() {} +function noop$2() {} var cases = [ [], @@ -5551,11 +6058,11 @@ function contours() { // Convert number of thresholds into uniform thresholds. if (!Array.isArray(tz)) { - var domain = extent(values), start = domain[0], stop = domain[1]; + var domain = extent$1(values), start = domain[0], stop = domain[1]; tz = tickStep(start, stop, tz); tz = sequence(Math.floor(start / tz) * tz, Math.floor(stop / tz) * tz, tz); } else { - tz = tz.slice().sort(ascending$2); + tz = tz.slice().sort(ascending$1); } return tz.map(function(value) { @@ -5571,13 +6078,13 @@ function contours() { isorings(values, value, function(ring) { smooth(ring, values, value); - if (area(ring) > 0) polygons.push([ring]); + if (area$3(ring) > 0) polygons.push([ring]); else holes.push(ring); }); holes.forEach(function(hole) { for (var i = 0, n = polygons.length, polygon; i < n; ++i) { - if (contains((polygon = polygons[i])[0], hole) !== -1) { + if (contains$2((polygon = polygons[i])[0], hole) !== -1) { polygon.push(hole); return; } @@ -5701,17 +6208,17 @@ function contours() { contours.size = function(_) { if (!arguments.length) return [dx, dy]; - var _0 = Math.ceil(_[0]), _1 = Math.ceil(_[1]); - if (!(_0 > 0) || !(_1 > 0)) throw new Error("invalid size"); + var _0 = Math.floor(_[0]), _1 = Math.floor(_[1]); + if (!(_0 >= 0 && _1 >= 0)) throw new Error("invalid size"); return dx = _0, dy = _1, contours; }; contours.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), contours) : threshold; + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$5(slice$1.call(_)) : constant$5(_), contours) : threshold; }; contours.smooth = function(_) { - return arguments.length ? (smooth = _ ? smoothLinear : noop$1, contours) : smooth === smoothLinear; + return arguments.length ? (smooth = _ ? smoothLinear : noop$2, contours) : smooth === smoothLinear; }; return contours; @@ -5761,11 +6268,11 @@ function blurY(source, target, r) { } } -function defaultX(d) { +function defaultX$1(d) { return d[0]; } -function defaultY(d) { +function defaultY$1(d) { return d[1]; } @@ -5774,8 +6281,8 @@ function defaultWeight() { } function density() { - var x = defaultX, - y = defaultY, + var x = defaultX$1, + y = defaultY$1, weight = defaultWeight, dx = 960, dy = 500, @@ -5784,7 +6291,7 @@ function density() { o = r * 3, // grid offset, to pad for blur n = (dx + o * 2) >> k, // grid width m = (dy + o * 2) >> k, // grid height - threshold = constant$6(20); + threshold = constant$5(20); function density(data) { var values0 = new Float32Array(n * m), @@ -5811,7 +6318,7 @@ function density() { // Convert number of thresholds into uniform thresholds. if (!Array.isArray(tz)) { - var stop = max(values0); + var stop = max$3(values0); tz = tickStep(0, stop, tz); tz = sequence(0, Math.floor(stop / tz) * tz, tz); tz.shift(); @@ -5852,21 +6359,21 @@ function density() { } density.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$6(+_), density) : x; + return arguments.length ? (x = typeof _ === "function" ? _ : constant$5(+_), density) : x; }; density.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), density) : y; + return arguments.length ? (y = typeof _ === "function" ? _ : constant$5(+_), density) : y; }; density.weight = function(_) { - return arguments.length ? (weight = typeof _ === "function" ? _ : constant$6(+_), density) : weight; + return arguments.length ? (weight = typeof _ === "function" ? _ : constant$5(+_), density) : weight; }; density.size = function(_) { if (!arguments.length) return [dx, dy]; - var _0 = Math.ceil(_[0]), _1 = Math.ceil(_[1]); - if (!(_0 >= 0) && !(_0 >= 0)) throw new Error("invalid size"); + var _0 = +_[0], _1 = +_[1]; + if (!(_0 >= 0 && _1 >= 0)) throw new Error("invalid size"); return dx = _0, dy = _1, resize(); }; @@ -5877,7 +6384,7 @@ function density() { }; density.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), density) : threshold; + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$5(slice$1.call(_)) : constant$5(_), density) : threshold; }; density.bandwidth = function(_) { @@ -5889,4279 +6396,5374 @@ function density() { return density; } -var EOL = {}, - EOF = {}, - QUOTE = 34, - NEWLINE = 10, - RETURN = 13; +const EPSILON = Math.pow(2, -52); +const EDGE_STACK = new Uint32Array(512); -function objectConverter(columns) { - return new Function("d", "return {" + columns.map(function(name, i) { - return JSON.stringify(name) + ": d[" + i + "] || \"\""; - }).join(",") + "}"); -} +class Delaunator { -function customConverter(columns, f) { - var object = objectConverter(columns); - return function(row, i) { - return f(object(row), i, columns); - }; -} + static from(points, getX = defaultGetX, getY = defaultGetY) { + const n = points.length; + const coords = new Float64Array(n * 2); -// Compute unique columns in order of discovery. -function inferColumns(rows) { - var columnSet = Object.create(null), - columns = []; + for (let i = 0; i < n; i++) { + const p = points[i]; + coords[2 * i] = getX(p); + coords[2 * i + 1] = getY(p); + } - rows.forEach(function(row) { - for (var column in row) { - if (!(column in columnSet)) { - columns.push(columnSet[column] = column); - } + return new Delaunator(coords); } - }); - return columns; -} + constructor(coords) { + const n = coords.length >> 1; + if (n > 0 && typeof coords[0] !== 'number') throw new Error('Expected coords to contain numbers.'); -function pad(value, width) { - var s = value + "", length = s.length; - return length < width ? new Array(width - length + 1).join(0) + s : s; -} + this.coords = coords; -function formatYear(year) { - return year < 0 ? "-" + pad(-year, 6) - : year > 9999 ? "+" + pad(year, 6) - : pad(year, 4); -} + // arrays that will store the triangulation graph + const maxTriangles = Math.max(2 * n - 5, 0); + this._triangles = new Uint32Array(maxTriangles * 3); + this._halfedges = new Int32Array(maxTriangles * 3); -function formatDate(date) { - var hours = date.getUTCHours(), - minutes = date.getUTCMinutes(), - seconds = date.getUTCSeconds(), - milliseconds = date.getUTCMilliseconds(); - return isNaN(date) ? "Invalid Date" - : formatYear(date.getUTCFullYear()) + "-" + pad(date.getUTCMonth() + 1, 2) + "-" + pad(date.getUTCDate(), 2) - + (milliseconds ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + ":" + pad(seconds, 2) + "." + pad(milliseconds, 3) + "Z" - : seconds ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + ":" + pad(seconds, 2) + "Z" - : minutes || hours ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + "Z" - : ""); -} + // temporary arrays for tracking the edges of the advancing convex hull + this._hashSize = Math.ceil(Math.sqrt(n)); + this._hullPrev = new Uint32Array(n); // edge to prev edge + this._hullNext = new Uint32Array(n); // edge to next edge + this._hullTri = new Uint32Array(n); // edge to adjacent triangle + this._hullHash = new Int32Array(this._hashSize).fill(-1); // angular edge hash -function dsvFormat(delimiter) { - var reFormat = new RegExp("[\"" + delimiter + "\n\r]"), - DELIMITER = delimiter.charCodeAt(0); + // temporary arrays for sorting points + this._ids = new Uint32Array(n); + this._dists = new Float64Array(n); - function parse(text, f) { - var convert, columns, rows = parseRows(text, function(row, i) { - if (convert) return convert(row, i - 1); - columns = row, convert = f ? customConverter(row, f) : objectConverter(row); - }); - rows.columns = columns || []; - return rows; - } - - function parseRows(text, f) { - var rows = [], // output rows - N = text.length, - I = 0, // current character index - n = 0, // current line number - t, // current token - eof = N <= 0, // current token followed by EOF? - eol = false; // current token followed by EOL? + this.update(); + } - // Strip the trailing newline. - if (text.charCodeAt(N - 1) === NEWLINE) --N; - if (text.charCodeAt(N - 1) === RETURN) --N; + update() { + const {coords, _hullPrev: hullPrev, _hullNext: hullNext, _hullTri: hullTri, _hullHash: hullHash} = this; + const n = coords.length >> 1; - function token() { - if (eof) return EOF; - if (eol) return eol = false, EOL; + // populate an array of point indices; calculate input data bbox + let minX = Infinity; + let minY = Infinity; + let maxX = -Infinity; + let maxY = -Infinity; - // Unescape quotes. - var i, j = I, c; - if (text.charCodeAt(j) === QUOTE) { - while (I++ < N && text.charCodeAt(I) !== QUOTE || text.charCodeAt(++I) === QUOTE); - if ((i = I) >= N) eof = true; - else if ((c = text.charCodeAt(I++)) === NEWLINE) eol = true; - else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } - return text.slice(j + 1, i - 1).replace(/""/g, "\""); - } + for (let i = 0; i < n; i++) { + const x = coords[2 * i]; + const y = coords[2 * i + 1]; + if (x < minX) minX = x; + if (y < minY) minY = y; + if (x > maxX) maxX = x; + if (y > maxY) maxY = y; + this._ids[i] = i; + } + const cx = (minX + maxX) / 2; + const cy = (minY + maxY) / 2; + + let minDist = Infinity; + let i0, i1, i2; + + // pick a seed point close to the center + for (let i = 0; i < n; i++) { + const d = dist(cx, cy, coords[2 * i], coords[2 * i + 1]); + if (d < minDist) { + i0 = i; + minDist = d; + } + } + const i0x = coords[2 * i0]; + const i0y = coords[2 * i0 + 1]; + + minDist = Infinity; + + // find the point closest to the seed + for (let i = 0; i < n; i++) { + if (i === i0) continue; + const d = dist(i0x, i0y, coords[2 * i], coords[2 * i + 1]); + if (d < minDist && d > 0) { + i1 = i; + minDist = d; + } + } + let i1x = coords[2 * i1]; + let i1y = coords[2 * i1 + 1]; + + let minRadius = Infinity; + + // find the third point which forms the smallest circumcircle with the first two + for (let i = 0; i < n; i++) { + if (i === i0 || i === i1) continue; + const r = circumradius(i0x, i0y, i1x, i1y, coords[2 * i], coords[2 * i + 1]); + if (r < minRadius) { + i2 = i; + minRadius = r; + } + } + let i2x = coords[2 * i2]; + let i2y = coords[2 * i2 + 1]; + + if (minRadius === Infinity) { + // order collinear points by dx (or dy if all x are identical) + // and return the list as a hull + for (let i = 0; i < n; i++) { + this._dists[i] = (coords[2 * i] - coords[0]) || (coords[2 * i + 1] - coords[1]); + } + quicksort(this._ids, this._dists, 0, n - 1); + const hull = new Uint32Array(n); + let j = 0; + for (let i = 0, d0 = -Infinity; i < n; i++) { + const id = this._ids[i]; + if (this._dists[id] > d0) { + hull[j++] = id; + d0 = this._dists[id]; + } + } + this.hull = hull.subarray(0, j); + this.triangles = new Uint32Array(0); + this.halfedges = new Uint32Array(0); + return; + } - // Find next delimiter or newline. - while (I < N) { - if ((c = text.charCodeAt(i = I++)) === NEWLINE) eol = true; - else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } - else if (c !== DELIMITER) continue; - return text.slice(j, i); - } + // swap the order of the seed points for counter-clockwise orientation + if (orient(i0x, i0y, i1x, i1y, i2x, i2y)) { + const i = i1; + const x = i1x; + const y = i1y; + i1 = i2; + i1x = i2x; + i1y = i2y; + i2 = i; + i2x = x; + i2y = y; + } - // Return last token before EOF. - return eof = true, text.slice(j, N); - } + const center = circumcenter(i0x, i0y, i1x, i1y, i2x, i2y); + this._cx = center.x; + this._cy = center.y; - while ((t = token()) !== EOF) { - var row = []; - while (t !== EOL && t !== EOF) row.push(t), t = token(); - if (f && (row = f(row, n++)) == null) continue; - rows.push(row); - } + for (let i = 0; i < n; i++) { + this._dists[i] = dist(coords[2 * i], coords[2 * i + 1], center.x, center.y); + } - return rows; - } + // sort the points by distance from the seed triangle circumcenter + quicksort(this._ids, this._dists, 0, n - 1); - function preformatBody(rows, columns) { - return rows.map(function(row) { - return columns.map(function(column) { - return formatValue(row[column]); - }).join(delimiter); - }); - } + // set up the seed triangle as the starting hull + this._hullStart = i0; + let hullSize = 3; - function format(rows, columns) { - if (columns == null) columns = inferColumns(rows); - return [columns.map(formatValue).join(delimiter)].concat(preformatBody(rows, columns)).join("\n"); - } + hullNext[i0] = hullPrev[i2] = i1; + hullNext[i1] = hullPrev[i0] = i2; + hullNext[i2] = hullPrev[i1] = i0; - function formatBody(rows, columns) { - if (columns == null) columns = inferColumns(rows); - return preformatBody(rows, columns).join("\n"); - } + hullTri[i0] = 0; + hullTri[i1] = 1; + hullTri[i2] = 2; - function formatRows(rows) { - return rows.map(formatRow).join("\n"); - } + hullHash.fill(-1); + hullHash[this._hashKey(i0x, i0y)] = i0; + hullHash[this._hashKey(i1x, i1y)] = i1; + hullHash[this._hashKey(i2x, i2y)] = i2; - function formatRow(row) { - return row.map(formatValue).join(delimiter); - } + this.trianglesLen = 0; + this._addTriangle(i0, i1, i2, -1, -1, -1); - function formatValue(value) { - return value == null ? "" - : value instanceof Date ? formatDate(value) - : reFormat.test(value += "") ? "\"" + value.replace(/"/g, "\"\"") + "\"" - : value; - } + for (let k = 0, xp, yp; k < this._ids.length; k++) { + const i = this._ids[k]; + const x = coords[2 * i]; + const y = coords[2 * i + 1]; - return { - parse: parse, - parseRows: parseRows, - format: format, - formatBody: formatBody, - formatRows: formatRows, - formatRow: formatRow, - formatValue: formatValue - }; -} + // skip near-duplicate points + if (k > 0 && Math.abs(x - xp) <= EPSILON && Math.abs(y - yp) <= EPSILON) continue; + xp = x; + yp = y; -var csv = dsvFormat(","); + // skip seed triangle points + if (i === i0 || i === i1 || i === i2) continue; -var csvParse = csv.parse; -var csvParseRows = csv.parseRows; -var csvFormat = csv.format; -var csvFormatBody = csv.formatBody; -var csvFormatRows = csv.formatRows; -var csvFormatRow = csv.formatRow; -var csvFormatValue = csv.formatValue; + // find a visible edge on the convex hull using edge hash + let start = 0; + for (let j = 0, key = this._hashKey(x, y); j < this._hashSize; j++) { + start = hullHash[(key + j) % this._hashSize]; + if (start !== -1 && start !== hullNext[start]) break; + } -var tsv = dsvFormat("\t"); + start = hullPrev[start]; + let e = start, q; + while (q = hullNext[e], !orient(x, y, coords[2 * e], coords[2 * e + 1], coords[2 * q], coords[2 * q + 1])) { + e = q; + if (e === start) { + e = -1; + break; + } + } + if (e === -1) continue; // likely a near-duplicate point; skip it + + // add the first triangle from the point + let t = this._addTriangle(e, i, hullNext[e], -1, -1, hullTri[e]); + + // recursively flip triangles from the point until they satisfy the Delaunay condition + hullTri[i] = this._legalize(t + 2); + hullTri[e] = t; // keep track of boundary triangles on the hull + hullSize++; + + // walk forward through the hull, adding more triangles and flipping recursively + let n = hullNext[e]; + while (q = hullNext[n], orient(x, y, coords[2 * n], coords[2 * n + 1], coords[2 * q], coords[2 * q + 1])) { + t = this._addTriangle(n, i, q, hullTri[i], -1, hullTri[n]); + hullTri[i] = this._legalize(t + 2); + hullNext[n] = n; // mark as removed + hullSize--; + n = q; + } -var tsvParse = tsv.parse; -var tsvParseRows = tsv.parseRows; -var tsvFormat = tsv.format; -var tsvFormatBody = tsv.formatBody; -var tsvFormatRows = tsv.formatRows; -var tsvFormatRow = tsv.formatRow; -var tsvFormatValue = tsv.formatValue; + // walk backward from the other side, adding more triangles and flipping + if (e === start) { + while (q = hullPrev[e], orient(x, y, coords[2 * q], coords[2 * q + 1], coords[2 * e], coords[2 * e + 1])) { + t = this._addTriangle(q, i, e, -1, hullTri[e], hullTri[q]); + this._legalize(t + 2); + hullTri[q] = t; + hullNext[e] = e; // mark as removed + hullSize--; + e = q; + } + } -function autoType(object) { - for (var key in object) { - var value = object[key].trim(), number, m; - if (!value) value = null; - else if (value === "true") value = true; - else if (value === "false") value = false; - else if (value === "NaN") value = NaN; - else if (!isNaN(number = +value)) value = number; - else if (m = value.match(/^([-+]\d{2})?\d{4}(-\d{2}(-\d{2})?)?(T\d{2}:\d{2}(:\d{2}(\.\d{3})?)?(Z|[-+]\d{2}:\d{2})?)?$/)) { - if (fixtz && !!m[4] && !m[7]) value = value.replace(/-/g, "/").replace(/T/, " "); - value = new Date(value); - } - else continue; - object[key] = value; - } - return object; -} + // update the hull indices + this._hullStart = hullPrev[i] = e; + hullNext[e] = hullPrev[n] = i; + hullNext[i] = n; -// https://github.com/d3/d3-dsv/issues/45 -var fixtz = new Date("2019-01-01T00:00").getHours() || new Date("2019-07-01T00:00").getHours(); + // save the two new edges in the hash table + hullHash[this._hashKey(x, y)] = i; + hullHash[this._hashKey(coords[2 * e], coords[2 * e + 1])] = e; + } -function responseBlob(response) { - if (!response.ok) throw new Error(response.status + " " + response.statusText); - return response.blob(); -} + this.hull = new Uint32Array(hullSize); + for (let i = 0, e = this._hullStart; i < hullSize; i++) { + this.hull[i] = e; + e = hullNext[e]; + } -function blob(input, init) { - return fetch(input, init).then(responseBlob); -} + // trim typed triangle mesh arrays + this.triangles = this._triangles.subarray(0, this.trianglesLen); + this.halfedges = this._halfedges.subarray(0, this.trianglesLen); + } + + _hashKey(x, y) { + return Math.floor(pseudoAngle(x - this._cx, y - this._cy) * this._hashSize) % this._hashSize; + } + + _legalize(a) { + const {_triangles: triangles, _halfedges: halfedges, coords} = this; + + let i = 0; + let ar = 0; + + // recursion eliminated with a fixed-size stack + while (true) { + const b = halfedges[a]; + + /* if the pair of triangles doesn't satisfy the Delaunay condition + * (p1 is inside the circumcircle of [p0, pl, pr]), flip them, + * then do the same check/flip recursively for the new pair of triangles + * + * pl pl + * /||\ / \ + * al/ || \bl al/ \a + * / || \ / \ + * / a||b \ flip /___ar___\ + * p0\ || /p1 => p0\---bl---/p1 + * \ || / \ / + * ar\ || /br b\ /br + * \||/ \ / + * pr pr + */ + const a0 = a - a % 3; + ar = a0 + (a + 2) % 3; + + if (b === -1) { // convex hull edge + if (i === 0) break; + a = EDGE_STACK[--i]; + continue; + } -function responseArrayBuffer(response) { - if (!response.ok) throw new Error(response.status + " " + response.statusText); - return response.arrayBuffer(); -} + const b0 = b - b % 3; + const al = a0 + (a + 1) % 3; + const bl = b0 + (b + 2) % 3; + + const p0 = triangles[ar]; + const pr = triangles[a]; + const pl = triangles[al]; + const p1 = triangles[bl]; + + const illegal = inCircle( + coords[2 * p0], coords[2 * p0 + 1], + coords[2 * pr], coords[2 * pr + 1], + coords[2 * pl], coords[2 * pl + 1], + coords[2 * p1], coords[2 * p1 + 1]); + + if (illegal) { + triangles[a] = p1; + triangles[b] = p0; + + const hbl = halfedges[bl]; + + // edge swapped on the other side of the hull (rare); fix the halfedge reference + if (hbl === -1) { + let e = this._hullStart; + do { + if (this._hullTri[e] === bl) { + this._hullTri[e] = a; + break; + } + e = this._hullPrev[e]; + } while (e !== this._hullStart); + } + this._link(a, hbl); + this._link(b, halfedges[ar]); + this._link(ar, bl); + + const br = b0 + (b + 1) % 3; + + // don't worry about hitting the cap: it can only happen on extremely degenerate input + if (i < EDGE_STACK.length) { + EDGE_STACK[i++] = br; + } + } else { + if (i === 0) break; + a = EDGE_STACK[--i]; + } + } -function buffer(input, init) { - return fetch(input, init).then(responseArrayBuffer); -} + return ar; + } -function responseText(response) { - if (!response.ok) throw new Error(response.status + " " + response.statusText); - return response.text(); -} + _link(a, b) { + this._halfedges[a] = b; + if (b !== -1) this._halfedges[b] = a; + } -function text(input, init) { - return fetch(input, init).then(responseText); -} + // add a new triangle given vertex indices and adjacent half-edge ids + _addTriangle(i0, i1, i2, a, b, c) { + const t = this.trianglesLen; -function dsvParse(parse) { - return function(input, init, row) { - if (arguments.length === 2 && typeof init === "function") row = init, init = undefined; - return text(input, init).then(function(response) { - return parse(response, row); - }); - }; -} + this._triangles[t] = i0; + this._triangles[t + 1] = i1; + this._triangles[t + 2] = i2; -function dsv(delimiter, input, init, row) { - if (arguments.length === 3 && typeof init === "function") row = init, init = undefined; - var format = dsvFormat(delimiter); - return text(input, init).then(function(response) { - return format.parse(response, row); - }); -} + this._link(t, a); + this._link(t + 1, b); + this._link(t + 2, c); -var csv$1 = dsvParse(csvParse); -var tsv$1 = dsvParse(tsvParse); + this.trianglesLen += 3; -function image(input, init) { - return new Promise(function(resolve, reject) { - var image = new Image; - for (var key in init) image[key] = init[key]; - image.onerror = reject; - image.onload = function() { resolve(image); }; - image.src = input; - }); + return t; + } } -function responseJson(response) { - if (!response.ok) throw new Error(response.status + " " + response.statusText); - return response.json(); +// monotonically increases with real angle, but doesn't need expensive trigonometry +function pseudoAngle(dx, dy) { + const p = dx / (Math.abs(dx) + Math.abs(dy)); + return (dy > 0 ? 3 - p : 1 + p) / 4; // [0..1] } -function json(input, init) { - return fetch(input, init).then(responseJson); +function dist(ax, ay, bx, by) { + const dx = ax - bx; + const dy = ay - by; + return dx * dx + dy * dy; } -function parser(type) { - return function(input, init) { - return text(input, init).then(function(text) { - return (new DOMParser).parseFromString(text, type); - }); - }; +// return 2d orientation sign if we're confident in it through J. Shewchuk's error bound check +function orientIfSure(px, py, rx, ry, qx, qy) { + const l = (ry - py) * (qx - px); + const r = (rx - px) * (qy - py); + return Math.abs(l - r) >= 3.3306690738754716e-16 * Math.abs(l + r) ? l - r : 0; } -var xml = parser("application/xml"); +// a more robust orientation test that's stable in a given triangle (to fix robustness issues) +function orient(rx, ry, qx, qy, px, py) { + const sign = orientIfSure(px, py, rx, ry, qx, qy) || + orientIfSure(rx, ry, qx, qy, px, py) || + orientIfSure(qx, qy, px, py, rx, ry); + return sign < 0; +} -var html = parser("text/html"); +function inCircle(ax, ay, bx, by, cx, cy, px, py) { + const dx = ax - px; + const dy = ay - py; + const ex = bx - px; + const ey = by - py; + const fx = cx - px; + const fy = cy - py; -var svg = parser("image/svg+xml"); + const ap = dx * dx + dy * dy; + const bp = ex * ex + ey * ey; + const cp = fx * fx + fy * fy; -function center$1(x, y) { - var nodes; + return dx * (ey * cp - bp * fy) - + dy * (ex * cp - bp * fx) + + ap * (ex * fy - ey * fx) < 0; +} - if (x == null) x = 0; - if (y == null) y = 0; +function circumradius(ax, ay, bx, by, cx, cy) { + const dx = bx - ax; + const dy = by - ay; + const ex = cx - ax; + const ey = cy - ay; - function force() { - var i, - n = nodes.length, - node, - sx = 0, - sy = 0; + const bl = dx * dx + dy * dy; + const cl = ex * ex + ey * ey; + const d = 0.5 / (dx * ey - dy * ex); - for (i = 0; i < n; ++i) { - node = nodes[i], sx += node.x, sy += node.y; - } + const x = (ey * bl - dy * cl) * d; + const y = (dx * cl - ex * bl) * d; - for (sx = sx / n - x, sy = sy / n - y, i = 0; i < n; ++i) { - node = nodes[i], node.x -= sx, node.y -= sy; - } - } + return x * x + y * y; +} - force.initialize = function(_) { - nodes = _; - }; +function circumcenter(ax, ay, bx, by, cx, cy) { + const dx = bx - ax; + const dy = by - ay; + const ex = cx - ax; + const ey = cy - ay; - force.x = function(_) { - return arguments.length ? (x = +_, force) : x; - }; + const bl = dx * dx + dy * dy; + const cl = ex * ex + ey * ey; + const d = 0.5 / (dx * ey - dy * ex); - force.y = function(_) { - return arguments.length ? (y = +_, force) : y; - }; + const x = ax + (ey * bl - dy * cl) * d; + const y = ay + (dx * cl - ex * bl) * d; - return force; + return {x, y}; } -function constant$7(x) { - return function() { - return x; - }; -} +function quicksort(ids, dists, left, right) { + if (right - left <= 20) { + for (let i = left + 1; i <= right; i++) { + const temp = ids[i]; + const tempDist = dists[temp]; + let j = i - 1; + while (j >= left && dists[ids[j]] > tempDist) ids[j + 1] = ids[j--]; + ids[j + 1] = temp; + } + } else { + const median = (left + right) >> 1; + let i = left + 1; + let j = right; + swap(ids, median, i); + if (dists[ids[left]] > dists[ids[right]]) swap(ids, left, right); + if (dists[ids[i]] > dists[ids[right]]) swap(ids, i, right); + if (dists[ids[left]] > dists[ids[i]]) swap(ids, left, i); + + const temp = ids[i]; + const tempDist = dists[temp]; + while (true) { + do i++; while (dists[ids[i]] < tempDist); + do j--; while (dists[ids[j]] > tempDist); + if (j < i) break; + swap(ids, i, j); + } + ids[left + 1] = ids[j]; + ids[j] = temp; -function jiggle() { - return (Math.random() - 0.5) * 1e-6; + if (right - i + 1 >= j - left) { + quicksort(ids, dists, i, right); + quicksort(ids, dists, left, j - 1); + } else { + quicksort(ids, dists, left, j - 1); + quicksort(ids, dists, i, right); + } + } } -function tree_add(d) { - var x = +this._x.call(null, d), - y = +this._y.call(null, d); - return add(this.cover(x, y), x, y, d); +function swap(arr, i, j) { + const tmp = arr[i]; + arr[i] = arr[j]; + arr[j] = tmp; } -function add(tree, x, y, d) { - if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points - - var parent, - node = tree._root, - leaf = {data: d}, - x0 = tree._x0, - y0 = tree._y0, - x1 = tree._x1, - y1 = tree._y1, - xm, - ym, - xp, - yp, - right, - bottom, - i, - j; +function defaultGetX(p) { + return p[0]; +} +function defaultGetY(p) { + return p[1]; +} - // If the tree is empty, initialize the root as a leaf. - if (!node) return tree._root = leaf, tree; +const epsilon$2 = 1e-6; - // Find the existing leaf for the new point, or add it. - while (node.length) { - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree; +class Path { + constructor() { + this._x0 = this._y0 = // start of current subpath + this._x1 = this._y1 = null; // end of current subpath + this._ = ""; + } + moveTo(x, y) { + this._ += `M${this._x0 = this._x1 = +x},${this._y0 = this._y1 = +y}`; + } + closePath() { + if (this._x1 !== null) { + this._x1 = this._x0, this._y1 = this._y0; + this._ += "Z"; + } + } + lineTo(x, y) { + this._ += `L${this._x1 = +x},${this._y1 = +y}`; + } + arc(x, y, r) { + x = +x, y = +y, r = +r; + const x0 = x + r; + const y0 = y; + if (r < 0) throw new Error("negative radius"); + if (this._x1 === null) this._ += `M${x0},${y0}`; + else if (Math.abs(this._x1 - x0) > epsilon$2 || Math.abs(this._y1 - y0) > epsilon$2) this._ += "L" + x0 + "," + y0; + if (!r) return; + this._ += `A${r},${r},0,1,1,${x - r},${y}A${r},${r},0,1,1,${this._x1 = x0},${this._y1 = y0}`; + } + rect(x, y, w, h) { + this._ += `M${this._x0 = this._x1 = +x},${this._y0 = this._y1 = +y}h${+w}v${+h}h${-w}Z`; + } + value() { + return this._ || null; } - - // Is the new point is exactly coincident with the existing point? - xp = +tree._x.call(null, node.data); - yp = +tree._y.call(null, node.data); - if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree; - - // Otherwise, split the leaf node until the old and new point are separated. - do { - parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4); - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm))); - return parent[j] = node, parent[i] = leaf, tree; } -function addAll(data) { - var d, i, n = data.length, - x, - y, - xz = new Array(n), - yz = new Array(n), - x0 = Infinity, - y0 = Infinity, - x1 = -Infinity, - y1 = -Infinity; - - // Compute the points and their extent. - for (i = 0; i < n; ++i) { - if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue; - xz[i] = x; - yz[i] = y; - if (x < x0) x0 = x; - if (x > x1) x1 = x; - if (y < y0) y0 = y; - if (y > y1) y1 = y; +class Polygon { + constructor() { + this._ = []; } - - // If there were no (valid) points, abort. - if (x0 > x1 || y0 > y1) return this; - - // Expand the tree to cover the new points. - this.cover(x0, y0).cover(x1, y1); - - // Add the new points. - for (i = 0; i < n; ++i) { - add(this, xz[i], yz[i], data[i]); + moveTo(x, y) { + this._.push([x, y]); + } + closePath() { + this._.push(this._[0].slice()); + } + lineTo(x, y) { + this._.push([x, y]); + } + value() { + return this._.length ? this._ : null; } - - return this; } -function tree_cover(x, y) { - if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points - - var x0 = this._x0, - y0 = this._y0, - x1 = this._x1, - y1 = this._y1; - - // If the quadtree has no extent, initialize them. - // Integer extent are necessary so that if we later double the extent, - // the existing quadrant boundaries don’t change due to floating point error! - if (isNaN(x0)) { - x1 = (x0 = Math.floor(x)) + 1; - y1 = (y0 = Math.floor(y)) + 1; +class Voronoi { + constructor(delaunay, [xmin, ymin, xmax, ymax] = [0, 0, 960, 500]) { + if (!((xmax = +xmax) >= (xmin = +xmin)) || !((ymax = +ymax) >= (ymin = +ymin))) throw new Error("invalid bounds"); + this.delaunay = delaunay; + this._circumcenters = new Float64Array(delaunay.points.length * 2); + this.vectors = new Float64Array(delaunay.points.length * 2); + this.xmax = xmax, this.xmin = xmin; + this.ymax = ymax, this.ymin = ymin; + this._init(); } - - // Otherwise, double repeatedly to cover. - else { - var z = x1 - x0, - node = this._root, - parent, - i; - - while (x0 > x || x >= x1 || y0 > y || y >= y1) { - i = (y < y0) << 1 | (x < x0); - parent = new Array(4), parent[i] = node, node = parent, z *= 2; - switch (i) { - case 0: x1 = x0 + z, y1 = y0 + z; break; - case 1: x0 = x1 - z, y1 = y0 + z; break; - case 2: x1 = x0 + z, y0 = y1 - z; break; - case 3: x0 = x1 - z, y0 = y1 - z; break; + update() { + this.delaunay.update(); + this._init(); + return this; + } + _init() { + const {delaunay: {points, hull, triangles}, vectors} = this; + + // Compute circumcenters. + const circumcenters = this.circumcenters = this._circumcenters.subarray(0, triangles.length / 3 * 2); + for (let i = 0, j = 0, n = triangles.length, x, y; i < n; i += 3, j += 2) { + const t1 = triangles[i] * 2; + const t2 = triangles[i + 1] * 2; + const t3 = triangles[i + 2] * 2; + const x1 = points[t1]; + const y1 = points[t1 + 1]; + const x2 = points[t2]; + const y2 = points[t2 + 1]; + const x3 = points[t3]; + const y3 = points[t3 + 1]; + + const dx = x2 - x1; + const dy = y2 - y1; + const ex = x3 - x1; + const ey = y3 - y1; + const bl = dx * dx + dy * dy; + const cl = ex * ex + ey * ey; + const ab = (dx * ey - dy * ex) * 2; + + if (!ab) { + // degenerate case (collinear diagram) + x = (x1 + x3) / 2 - 1e8 * ey; + y = (y1 + y3) / 2 + 1e8 * ex; + } + else if (Math.abs(ab) < 1e-8) { + // almost equal points (degenerate triangle) + x = (x1 + x3) / 2; + y = (y1 + y3) / 2; + } else { + const d = 1 / ab; + x = x1 + (ey * bl - dy * cl) * d; + y = y1 + (dx * cl - ex * bl) * d; + } + circumcenters[j] = x; + circumcenters[j + 1] = y; + } + + // Compute exterior cell rays. + let h = hull[hull.length - 1]; + let p0, p1 = h * 4; + let x0, x1 = points[2 * h]; + let y0, y1 = points[2 * h + 1]; + vectors.fill(0); + for (let i = 0; i < hull.length; ++i) { + h = hull[i]; + p0 = p1, x0 = x1, y0 = y1; + p1 = h * 4, x1 = points[2 * h], y1 = points[2 * h + 1]; + vectors[p0 + 2] = vectors[p1] = y0 - y1; + vectors[p0 + 3] = vectors[p1 + 1] = x1 - x0; + } + } + render(context) { + const buffer = context == null ? context = new Path : undefined; + const {delaunay: {halfedges, inedges, hull}, circumcenters, vectors} = this; + if (hull.length <= 1) return null; + for (let i = 0, n = halfedges.length; i < n; ++i) { + const j = halfedges[i]; + if (j < i) continue; + const ti = Math.floor(i / 3) * 2; + const tj = Math.floor(j / 3) * 2; + const xi = circumcenters[ti]; + const yi = circumcenters[ti + 1]; + const xj = circumcenters[tj]; + const yj = circumcenters[tj + 1]; + this._renderSegment(xi, yi, xj, yj, context); + } + let h0, h1 = hull[hull.length - 1]; + for (let i = 0; i < hull.length; ++i) { + h0 = h1, h1 = hull[i]; + const t = Math.floor(inedges[h1] / 3) * 2; + const x = circumcenters[t]; + const y = circumcenters[t + 1]; + const v = h0 * 4; + const p = this._project(x, y, vectors[v + 2], vectors[v + 3]); + if (p) this._renderSegment(x, y, p[0], p[1], context); + } + return buffer && buffer.value(); + } + renderBounds(context) { + const buffer = context == null ? context = new Path : undefined; + context.rect(this.xmin, this.ymin, this.xmax - this.xmin, this.ymax - this.ymin); + return buffer && buffer.value(); + } + renderCell(i, context) { + const buffer = context == null ? context = new Path : undefined; + const points = this._clip(i); + if (points === null || !points.length) return; + context.moveTo(points[0], points[1]); + let n = points.length; + while (points[0] === points[n-2] && points[1] === points[n-1] && n > 1) n -= 2; + for (let i = 2; i < n; i += 2) { + if (points[i] !== points[i-2] || points[i+1] !== points[i-1]) + context.lineTo(points[i], points[i + 1]); + } + context.closePath(); + return buffer && buffer.value(); + } + *cellPolygons() { + const {delaunay: {points}} = this; + for (let i = 0, n = points.length / 2; i < n; ++i) { + const cell = this.cellPolygon(i); + if (cell) cell.index = i, yield cell; + } + } + cellPolygon(i) { + const polygon = new Polygon; + this.renderCell(i, polygon); + return polygon.value(); + } + _renderSegment(x0, y0, x1, y1, context) { + let S; + const c0 = this._regioncode(x0, y0); + const c1 = this._regioncode(x1, y1); + if (c0 === 0 && c1 === 0) { + context.moveTo(x0, y0); + context.lineTo(x1, y1); + } else if (S = this._clipSegment(x0, y0, x1, y1, c0, c1)) { + context.moveTo(S[0], S[1]); + context.lineTo(S[2], S[3]); + } + } + contains(i, x, y) { + if ((x = +x, x !== x) || (y = +y, y !== y)) return false; + return this.delaunay._step(i, x, y) === i; + } + *neighbors(i) { + const ci = this._clip(i); + if (ci) for (const j of this.delaunay.neighbors(i)) { + const cj = this._clip(j); + // find the common edge + if (cj) loop: for (let ai = 0, li = ci.length; ai < li; ai += 2) { + for (let aj = 0, lj = cj.length; aj < lj; aj += 2) { + if (ci[ai] == cj[aj] + && ci[ai + 1] == cj[aj + 1] + && ci[(ai + 2) % li] == cj[(aj + lj - 2) % lj] + && ci[(ai + 3) % li] == cj[(aj + lj - 1) % lj] + ) { + yield j; + break loop; + } + } } } - - if (this._root && this._root.length) this._root = node; } - - this._x0 = x0; - this._y0 = y0; - this._x1 = x1; - this._y1 = y1; - return this; + _cell(i) { + const {circumcenters, delaunay: {inedges, halfedges, triangles}} = this; + const e0 = inedges[i]; + if (e0 === -1) return null; // coincident point + const points = []; + let e = e0; + do { + const t = Math.floor(e / 3); + points.push(circumcenters[t * 2], circumcenters[t * 2 + 1]); + e = e % 3 === 2 ? e - 2 : e + 1; + if (triangles[e] !== i) break; // bad triangulation + e = halfedges[e]; + } while (e !== e0 && e !== -1); + return points; + } + _clip(i) { + // degenerate case (1 valid point: return the box) + if (i === 0 && this.delaunay.hull.length === 1) { + return [this.xmax, this.ymin, this.xmax, this.ymax, this.xmin, this.ymax, this.xmin, this.ymin]; + } + const points = this._cell(i); + if (points === null) return null; + const {vectors: V} = this; + const v = i * 4; + return V[v] || V[v + 1] + ? this._clipInfinite(i, points, V[v], V[v + 1], V[v + 2], V[v + 3]) + : this._clipFinite(i, points); + } + _clipFinite(i, points) { + const n = points.length; + let P = null; + let x0, y0, x1 = points[n - 2], y1 = points[n - 1]; + let c0, c1 = this._regioncode(x1, y1); + let e0, e1; + for (let j = 0; j < n; j += 2) { + x0 = x1, y0 = y1, x1 = points[j], y1 = points[j + 1]; + c0 = c1, c1 = this._regioncode(x1, y1); + if (c0 === 0 && c1 === 0) { + e0 = e1, e1 = 0; + if (P) P.push(x1, y1); + else P = [x1, y1]; + } else { + let S, sx0, sy0, sx1, sy1; + if (c0 === 0) { + if ((S = this._clipSegment(x0, y0, x1, y1, c0, c1)) === null) continue; + [sx0, sy0, sx1, sy1] = S; + } else { + if ((S = this._clipSegment(x1, y1, x0, y0, c1, c0)) === null) continue; + [sx1, sy1, sx0, sy0] = S; + e0 = e1, e1 = this._edgecode(sx0, sy0); + if (e0 && e1) this._edge(i, e0, e1, P, P.length); + if (P) P.push(sx0, sy0); + else P = [sx0, sy0]; + } + e0 = e1, e1 = this._edgecode(sx1, sy1); + if (e0 && e1) this._edge(i, e0, e1, P, P.length); + if (P) P.push(sx1, sy1); + else P = [sx1, sy1]; + } + } + if (P) { + e0 = e1, e1 = this._edgecode(P[0], P[1]); + if (e0 && e1) this._edge(i, e0, e1, P, P.length); + } else if (this.contains(i, (this.xmin + this.xmax) / 2, (this.ymin + this.ymax) / 2)) { + return [this.xmax, this.ymin, this.xmax, this.ymax, this.xmin, this.ymax, this.xmin, this.ymin]; + } + return P; + } + _clipSegment(x0, y0, x1, y1, c0, c1) { + while (true) { + if (c0 === 0 && c1 === 0) return [x0, y0, x1, y1]; + if (c0 & c1) return null; + let x, y, c = c0 || c1; + if (c & 0b1000) x = x0 + (x1 - x0) * (this.ymax - y0) / (y1 - y0), y = this.ymax; + else if (c & 0b0100) x = x0 + (x1 - x0) * (this.ymin - y0) / (y1 - y0), y = this.ymin; + else if (c & 0b0010) y = y0 + (y1 - y0) * (this.xmax - x0) / (x1 - x0), x = this.xmax; + else y = y0 + (y1 - y0) * (this.xmin - x0) / (x1 - x0), x = this.xmin; + if (c0) x0 = x, y0 = y, c0 = this._regioncode(x0, y0); + else x1 = x, y1 = y, c1 = this._regioncode(x1, y1); + } + } + _clipInfinite(i, points, vx0, vy0, vxn, vyn) { + let P = Array.from(points), p; + if (p = this._project(P[0], P[1], vx0, vy0)) P.unshift(p[0], p[1]); + if (p = this._project(P[P.length - 2], P[P.length - 1], vxn, vyn)) P.push(p[0], p[1]); + if (P = this._clipFinite(i, P)) { + for (let j = 0, n = P.length, c0, c1 = this._edgecode(P[n - 2], P[n - 1]); j < n; j += 2) { + c0 = c1, c1 = this._edgecode(P[j], P[j + 1]); + if (c0 && c1) j = this._edge(i, c0, c1, P, j), n = P.length; + } + } else if (this.contains(i, (this.xmin + this.xmax) / 2, (this.ymin + this.ymax) / 2)) { + P = [this.xmin, this.ymin, this.xmax, this.ymin, this.xmax, this.ymax, this.xmin, this.ymax]; + } + return P; + } + _edge(i, e0, e1, P, j) { + while (e0 !== e1) { + let x, y; + switch (e0) { + case 0b0101: e0 = 0b0100; continue; // top-left + case 0b0100: e0 = 0b0110, x = this.xmax, y = this.ymin; break; // top + case 0b0110: e0 = 0b0010; continue; // top-right + case 0b0010: e0 = 0b1010, x = this.xmax, y = this.ymax; break; // right + case 0b1010: e0 = 0b1000; continue; // bottom-right + case 0b1000: e0 = 0b1001, x = this.xmin, y = this.ymax; break; // bottom + case 0b1001: e0 = 0b0001; continue; // bottom-left + case 0b0001: e0 = 0b0101, x = this.xmin, y = this.ymin; break; // left + } + if ((P[j] !== x || P[j + 1] !== y) && this.contains(i, x, y)) { + P.splice(j, 0, x, y), j += 2; + } + } + if (P.length > 4) { + for (let i = 0; i < P.length; i+= 2) { + const j = (i + 2) % P.length, k = (i + 4) % P.length; + if (P[i] === P[j] && P[j] === P[k] + || P[i + 1] === P[j + 1] && P[j + 1] === P[k + 1]) + P.splice(j, 2), i -= 2; + } + } + return j; + } + _project(x0, y0, vx, vy) { + let t = Infinity, c, x, y; + if (vy < 0) { // top + if (y0 <= this.ymin) return null; + if ((c = (this.ymin - y0) / vy) < t) y = this.ymin, x = x0 + (t = c) * vx; + } else if (vy > 0) { // bottom + if (y0 >= this.ymax) return null; + if ((c = (this.ymax - y0) / vy) < t) y = this.ymax, x = x0 + (t = c) * vx; + } + if (vx > 0) { // right + if (x0 >= this.xmax) return null; + if ((c = (this.xmax - x0) / vx) < t) x = this.xmax, y = y0 + (t = c) * vy; + } else if (vx < 0) { // left + if (x0 <= this.xmin) return null; + if ((c = (this.xmin - x0) / vx) < t) x = this.xmin, y = y0 + (t = c) * vy; + } + return [x, y]; + } + _edgecode(x, y) { + return (x === this.xmin ? 0b0001 + : x === this.xmax ? 0b0010 : 0b0000) + | (y === this.ymin ? 0b0100 + : y === this.ymax ? 0b1000 : 0b0000); + } + _regioncode(x, y) { + return (x < this.xmin ? 0b0001 + : x > this.xmax ? 0b0010 : 0b0000) + | (y < this.ymin ? 0b0100 + : y > this.ymax ? 0b1000 : 0b0000); + } } -function tree_data() { - var data = []; - this.visit(function(node) { - if (!node.length) do data.push(node.data); while (node = node.next) - }); - return data; +const tau$2 = 2 * Math.PI, pow$2 = Math.pow; + +function pointX(p) { + return p[0]; } -function tree_extent(_) { - return arguments.length - ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) - : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; +function pointY(p) { + return p[1]; } -function Quad(node, x0, y0, x1, y1) { - this.node = node; - this.x0 = x0; - this.y0 = y0; - this.x1 = x1; - this.y1 = y1; +// A triangulation is collinear if all its triangles have a non-null area +function collinear(d) { + const {triangles, coords} = d; + for (let i = 0; i < triangles.length; i += 3) { + const a = 2 * triangles[i], + b = 2 * triangles[i + 1], + c = 2 * triangles[i + 2], + cross = (coords[c] - coords[a]) * (coords[b + 1] - coords[a + 1]) + - (coords[b] - coords[a]) * (coords[c + 1] - coords[a + 1]); + if (cross > 1e-10) return false; + } + return true; } -function tree_find(x, y, radius) { - var data, - x0 = this._x0, - y0 = this._y0, - x1, - y1, - x2, - y2, - x3 = this._x1, - y3 = this._y1, - quads = [], - node = this._root, - q, - i; +function jitter(x, y, r) { + return [x + Math.sin(x + y) * r, y + Math.cos(x - y) * r]; +} - if (node) quads.push(new Quad(node, x0, y0, x3, y3)); - if (radius == null) radius = Infinity; - else { - x0 = x - radius, y0 = y - radius; - x3 = x + radius, y3 = y + radius; - radius *= radius; +class Delaunay { + static from(points, fx = pointX, fy = pointY, that) { + return new Delaunay("length" in points + ? flatArray(points, fx, fy, that) + : Float64Array.from(flatIterable(points, fx, fy, that))); } + constructor(points) { + this._delaunator = new Delaunator(points); + this.inedges = new Int32Array(points.length / 2); + this._hullIndex = new Int32Array(points.length / 2); + this.points = this._delaunator.coords; + this._init(); + } + update() { + this._delaunator.update(); + this._init(); + return this; + } + _init() { + const d = this._delaunator, points = this.points; + + // check for collinear + if (d.hull && d.hull.length > 2 && collinear(d)) { + this.collinear = Int32Array.from({length: points.length/2}, (_,i) => i) + .sort((i, j) => points[2 * i] - points[2 * j] || points[2 * i + 1] - points[2 * j + 1]); // for exact neighbors + const e = this.collinear[0], f = this.collinear[this.collinear.length - 1], + bounds = [ points[2 * e], points[2 * e + 1], points[2 * f], points[2 * f + 1] ], + r = 1e-8 * Math.hypot(bounds[3] - bounds[1], bounds[2] - bounds[0]); + for (let i = 0, n = points.length / 2; i < n; ++i) { + const p = jitter(points[2 * i], points[2 * i + 1], r); + points[2 * i] = p[0]; + points[2 * i + 1] = p[1]; + } + this._delaunator = new Delaunator(points); + } else { + delete this.collinear; + } - while (q = quads.pop()) { - - // Stop searching if this quadrant can’t contain a closer node. - if (!(node = q.node) - || (x1 = q.x0) > x3 - || (y1 = q.y0) > y3 - || (x2 = q.x1) < x0 - || (y2 = q.y1) < y0) continue; + const halfedges = this.halfedges = this._delaunator.halfedges; + const hull = this.hull = this._delaunator.hull; + const triangles = this.triangles = this._delaunator.triangles; + const inedges = this.inedges.fill(-1); + const hullIndex = this._hullIndex.fill(-1); - // Bisect the current quadrant. - if (node.length) { - var xm = (x1 + x2) / 2, - ym = (y1 + y2) / 2; + // Compute an index from each point to an (arbitrary) incoming halfedge + // Used to give the first neighbor of each point; for this reason, + // on the hull we give priority to exterior halfedges + for (let e = 0, n = halfedges.length; e < n; ++e) { + const p = triangles[e % 3 === 2 ? e - 2 : e + 1]; + if (halfedges[e] === -1 || inedges[p] === -1) inedges[p] = e; + } + for (let i = 0, n = hull.length; i < n; ++i) { + hullIndex[hull[i]] = i; + } - quads.push( - new Quad(node[3], xm, ym, x2, y2), - new Quad(node[2], x1, ym, xm, y2), - new Quad(node[1], xm, y1, x2, ym), - new Quad(node[0], x1, y1, xm, ym) - ); + // degenerate case: 1 or 2 (distinct) points + if (hull.length <= 2 && hull.length > 0) { + this.triangles = new Int32Array(3).fill(-1); + this.halfedges = new Int32Array(3).fill(-1); + this.triangles[0] = hull[0]; + this.triangles[1] = hull[1]; + this.triangles[2] = hull[1]; + inedges[hull[0]] = 1; + if (hull.length === 2) inedges[hull[1]] = 0; + } + } + voronoi(bounds) { + return new Voronoi(this, bounds); + } + *neighbors(i) { + const {inedges, hull, _hullIndex, halfedges, triangles, collinear} = this; - // Visit the closest quadrant first. - if (i = (y >= ym) << 1 | (x >= xm)) { - q = quads[quads.length - 1]; - quads[quads.length - 1] = quads[quads.length - 1 - i]; - quads[quads.length - 1 - i] = q; - } + // degenerate case with several collinear points + if (collinear) { + const l = collinear.indexOf(i); + if (l > 0) yield collinear[l - 1]; + if (l < collinear.length - 1) yield collinear[l + 1]; + return; } - // Visit this point. (Visiting coincident points isn’t necessary!) - else { - var dx = x - +this._x.call(null, node.data), - dy = y - +this._y.call(null, node.data), - d2 = dx * dx + dy * dy; - if (d2 < radius) { - var d = Math.sqrt(radius = d2); - x0 = x - d, y0 = y - d; - x3 = x + d, y3 = y + d; - data = node.data; + const e0 = inedges[i]; + if (e0 === -1) return; // coincident point + let e = e0, p0 = -1; + do { + yield p0 = triangles[e]; + e = e % 3 === 2 ? e - 2 : e + 1; + if (triangles[e] !== i) return; // bad triangulation + e = halfedges[e]; + if (e === -1) { + const p = hull[(_hullIndex[i] + 1) % hull.length]; + if (p !== p0) yield p; + return; + } + } while (e !== e0); + } + find(x, y, i = 0) { + if ((x = +x, x !== x) || (y = +y, y !== y)) return -1; + const i0 = i; + let c; + while ((c = this._step(i, x, y)) >= 0 && c !== i && c !== i0) i = c; + return c; + } + _step(i, x, y) { + const {inedges, hull, _hullIndex, halfedges, triangles, points} = this; + if (inedges[i] === -1 || !points.length) return (i + 1) % (points.length >> 1); + let c = i; + let dc = pow$2(x - points[i * 2], 2) + pow$2(y - points[i * 2 + 1], 2); + const e0 = inedges[i]; + let e = e0; + do { + let t = triangles[e]; + const dt = pow$2(x - points[t * 2], 2) + pow$2(y - points[t * 2 + 1], 2); + if (dt < dc) dc = dt, c = t; + e = e % 3 === 2 ? e - 2 : e + 1; + if (triangles[e] !== i) break; // bad triangulation + e = halfedges[e]; + if (e === -1) { + e = hull[(_hullIndex[i] + 1) % hull.length]; + if (e !== t) { + if (pow$2(x - points[e * 2], 2) + pow$2(y - points[e * 2 + 1], 2) < dc) return e; + } + break; } + } while (e !== e0); + return c; + } + render(context) { + const buffer = context == null ? context = new Path : undefined; + const {points, halfedges, triangles} = this; + for (let i = 0, n = halfedges.length; i < n; ++i) { + const j = halfedges[i]; + if (j < i) continue; + const ti = triangles[i] * 2; + const tj = triangles[j] * 2; + context.moveTo(points[ti], points[ti + 1]); + context.lineTo(points[tj], points[tj + 1]); + } + this.renderHull(context); + return buffer && buffer.value(); + } + renderPoints(context, r = 2) { + const buffer = context == null ? context = new Path : undefined; + const {points} = this; + for (let i = 0, n = points.length; i < n; i += 2) { + const x = points[i], y = points[i + 1]; + context.moveTo(x + r, y); + context.arc(x, y, r, 0, tau$2); + } + return buffer && buffer.value(); + } + renderHull(context) { + const buffer = context == null ? context = new Path : undefined; + const {hull, points} = this; + const h = hull[0] * 2, n = hull.length; + context.moveTo(points[h], points[h + 1]); + for (let i = 1; i < n; ++i) { + const h = 2 * hull[i]; + context.lineTo(points[h], points[h + 1]); + } + context.closePath(); + return buffer && buffer.value(); + } + hullPolygon() { + const polygon = new Polygon; + this.renderHull(polygon); + return polygon.value(); + } + renderTriangle(i, context) { + const buffer = context == null ? context = new Path : undefined; + const {points, triangles} = this; + const t0 = triangles[i *= 3] * 2; + const t1 = triangles[i + 1] * 2; + const t2 = triangles[i + 2] * 2; + context.moveTo(points[t0], points[t0 + 1]); + context.lineTo(points[t1], points[t1 + 1]); + context.lineTo(points[t2], points[t2 + 1]); + context.closePath(); + return buffer && buffer.value(); + } + *trianglePolygons() { + const {triangles} = this; + for (let i = 0, n = triangles.length / 3; i < n; ++i) { + yield this.trianglePolygon(i); } } + trianglePolygon(i) { + const polygon = new Polygon; + this.renderTriangle(i, polygon); + return polygon.value(); + } +} - return data; +function flatArray(points, fx, fy, that) { + const n = points.length; + const array = new Float64Array(n * 2); + for (let i = 0; i < n; ++i) { + const p = points[i]; + array[i * 2] = fx.call(that, p, i, points); + array[i * 2 + 1] = fy.call(that, p, i, points); + } + return array; } -function tree_remove(d) { - if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points +function* flatIterable(points, fx, fy, that) { + let i = 0; + for (const p of points) { + yield fx.call(that, p, i, points); + yield fy.call(that, p, i, points); + ++i; + } +} - var parent, - node = this._root, - retainer, - previous, - next, - x0 = this._x0, - y0 = this._y0, - x1 = this._x1, - y1 = this._y1, - x, - y, - xm, - ym, - right, - bottom, - i, - j; +var EOL = {}, + EOF = {}, + QUOTE = 34, + NEWLINE = 10, + RETURN = 13; - // If the tree is empty, initialize the root as a leaf. - if (!node) return this; - - // Find the leaf node for the point. - // While descending, also retain the deepest parent with a non-removed sibling. - if (node.length) while (true) { - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - if (!(parent = node, node = node[i = bottom << 1 | right])) return this; - if (!node.length) break; - if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i; - } - - // Find the point to remove. - while (node.data !== d) if (!(previous = node, node = node.next)) return this; - if (next = node.next) delete node.next; - - // If there are multiple coincident points, remove just the point. - if (previous) return (next ? previous.next = next : delete previous.next), this; +function objectConverter(columns) { + return new Function("d", "return {" + columns.map(function(name, i) { + return JSON.stringify(name) + ": d[" + i + "] || \"\""; + }).join(",") + "}"); +} - // If this is the root point, remove it. - if (!parent) return this._root = next, this; +function customConverter(columns, f) { + var object = objectConverter(columns); + return function(row, i) { + return f(object(row), i, columns); + }; +} - // Remove this leaf. - next ? parent[i] = next : delete parent[i]; +// Compute unique columns in order of discovery. +function inferColumns(rows) { + var columnSet = Object.create(null), + columns = []; - // If the parent now contains exactly one leaf, collapse superfluous parents. - if ((node = parent[0] || parent[1] || parent[2] || parent[3]) - && node === (parent[3] || parent[2] || parent[1] || parent[0]) - && !node.length) { - if (retainer) retainer[j] = node; - else this._root = node; - } + rows.forEach(function(row) { + for (var column in row) { + if (!(column in columnSet)) { + columns.push(columnSet[column] = column); + } + } + }); - return this; + return columns; } -function removeAll(data) { - for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); - return this; +function pad$1(value, width) { + var s = value + "", length = s.length; + return length < width ? new Array(width - length + 1).join(0) + s : s; } -function tree_root() { - return this._root; +function formatYear$1(year) { + return year < 0 ? "-" + pad$1(-year, 6) + : year > 9999 ? "+" + pad$1(year, 6) + : pad$1(year, 4); } -function tree_size() { - var size = 0; - this.visit(function(node) { - if (!node.length) do ++size; while (node = node.next) - }); - return size; +function formatDate(date) { + var hours = date.getUTCHours(), + minutes = date.getUTCMinutes(), + seconds = date.getUTCSeconds(), + milliseconds = date.getUTCMilliseconds(); + return isNaN(date) ? "Invalid Date" + : formatYear$1(date.getUTCFullYear()) + "-" + pad$1(date.getUTCMonth() + 1, 2) + "-" + pad$1(date.getUTCDate(), 2) + + (milliseconds ? "T" + pad$1(hours, 2) + ":" + pad$1(minutes, 2) + ":" + pad$1(seconds, 2) + "." + pad$1(milliseconds, 3) + "Z" + : seconds ? "T" + pad$1(hours, 2) + ":" + pad$1(minutes, 2) + ":" + pad$1(seconds, 2) + "Z" + : minutes || hours ? "T" + pad$1(hours, 2) + ":" + pad$1(minutes, 2) + "Z" + : ""); } -function tree_visit(callback) { - var quads = [], q, node = this._root, child, x0, y0, x1, y1; - if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); - while (q = quads.pop()) { - if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) { - var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; - if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); - if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); - if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); - if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); - } - } - return this; -} +function dsvFormat(delimiter) { + var reFormat = new RegExp("[\"" + delimiter + "\n\r]"), + DELIMITER = delimiter.charCodeAt(0); -function tree_visitAfter(callback) { - var quads = [], next = [], q; - if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); - while (q = quads.pop()) { - var node = q.node; - if (node.length) { - var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; - if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); - if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); - if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); - if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); - } - next.push(q); - } - while (q = next.pop()) { - callback(q.node, q.x0, q.y0, q.x1, q.y1); + function parse(text, f) { + var convert, columns, rows = parseRows(text, function(row, i) { + if (convert) return convert(row, i - 1); + columns = row, convert = f ? customConverter(row, f) : objectConverter(row); + }); + rows.columns = columns || []; + return rows; } - return this; -} -function defaultX$1(d) { - return d[0]; -} + function parseRows(text, f) { + var rows = [], // output rows + N = text.length, + I = 0, // current character index + n = 0, // current line number + t, // current token + eof = N <= 0, // current token followed by EOF? + eol = false; // current token followed by EOL? -function tree_x(_) { - return arguments.length ? (this._x = _, this) : this._x; -} + // Strip the trailing newline. + if (text.charCodeAt(N - 1) === NEWLINE) --N; + if (text.charCodeAt(N - 1) === RETURN) --N; -function defaultY$1(d) { - return d[1]; -} + function token() { + if (eof) return EOF; + if (eol) return eol = false, EOL; -function tree_y(_) { - return arguments.length ? (this._y = _, this) : this._y; -} + // Unescape quotes. + var i, j = I, c; + if (text.charCodeAt(j) === QUOTE) { + while (I++ < N && text.charCodeAt(I) !== QUOTE || text.charCodeAt(++I) === QUOTE); + if ((i = I) >= N) eof = true; + else if ((c = text.charCodeAt(I++)) === NEWLINE) eol = true; + else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } + return text.slice(j + 1, i - 1).replace(/""/g, "\""); + } -function quadtree(nodes, x, y) { - var tree = new Quadtree(x == null ? defaultX$1 : x, y == null ? defaultY$1 : y, NaN, NaN, NaN, NaN); - return nodes == null ? tree : tree.addAll(nodes); -} + // Find next delimiter or newline. + while (I < N) { + if ((c = text.charCodeAt(i = I++)) === NEWLINE) eol = true; + else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } + else if (c !== DELIMITER) continue; + return text.slice(j, i); + } -function Quadtree(x, y, x0, y0, x1, y1) { - this._x = x; - this._y = y; - this._x0 = x0; - this._y0 = y0; - this._x1 = x1; - this._y1 = y1; - this._root = undefined; -} + // Return last token before EOF. + return eof = true, text.slice(j, N); + } -function leaf_copy(leaf) { - var copy = {data: leaf.data}, next = copy; - while (leaf = leaf.next) next = next.next = {data: leaf.data}; - return copy; -} + while ((t = token()) !== EOF) { + var row = []; + while (t !== EOL && t !== EOF) row.push(t), t = token(); + if (f && (row = f(row, n++)) == null) continue; + rows.push(row); + } -var treeProto = quadtree.prototype = Quadtree.prototype; + return rows; + } -treeProto.copy = function() { - var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), - node = this._root, - nodes, - child; + function preformatBody(rows, columns) { + return rows.map(function(row) { + return columns.map(function(column) { + return formatValue(row[column]); + }).join(delimiter); + }); + } - if (!node) return copy; + function format(rows, columns) { + if (columns == null) columns = inferColumns(rows); + return [columns.map(formatValue).join(delimiter)].concat(preformatBody(rows, columns)).join("\n"); + } - if (!node.length) return copy._root = leaf_copy(node), copy; + function formatBody(rows, columns) { + if (columns == null) columns = inferColumns(rows); + return preformatBody(rows, columns).join("\n"); + } - nodes = [{source: node, target: copy._root = new Array(4)}]; - while (node = nodes.pop()) { - for (var i = 0; i < 4; ++i) { - if (child = node.source[i]) { - if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)}); - else node.target[i] = leaf_copy(child); - } - } + function formatRows(rows) { + return rows.map(formatRow).join("\n"); } - return copy; -}; + function formatRow(row) { + return row.map(formatValue).join(delimiter); + } -treeProto.add = tree_add; -treeProto.addAll = addAll; -treeProto.cover = tree_cover; -treeProto.data = tree_data; -treeProto.extent = tree_extent; -treeProto.find = tree_find; -treeProto.remove = tree_remove; -treeProto.removeAll = removeAll; -treeProto.root = tree_root; -treeProto.size = tree_size; -treeProto.visit = tree_visit; -treeProto.visitAfter = tree_visitAfter; -treeProto.x = tree_x; -treeProto.y = tree_y; + function formatValue(value) { + return value == null ? "" + : value instanceof Date ? formatDate(value) + : reFormat.test(value += "") ? "\"" + value.replace(/"/g, "\"\"") + "\"" + : value; + } -function x(d) { - return d.x + d.vx; + return { + parse: parse, + parseRows: parseRows, + format: format, + formatBody: formatBody, + formatRows: formatRows, + formatRow: formatRow, + formatValue: formatValue + }; } -function y(d) { - return d.y + d.vy; -} +var csv$1 = dsvFormat(","); -function collide(radius) { - var nodes, - radii, - strength = 1, - iterations = 1; +var csvParse = csv$1.parse; +var csvParseRows = csv$1.parseRows; +var csvFormat = csv$1.format; +var csvFormatBody = csv$1.formatBody; +var csvFormatRows = csv$1.formatRows; +var csvFormatRow = csv$1.formatRow; +var csvFormatValue = csv$1.formatValue; - if (typeof radius !== "function") radius = constant$7(radius == null ? 1 : +radius); - - function force() { - var i, n = nodes.length, - tree, - node, - xi, - yi, - ri, - ri2; +var tsv$1 = dsvFormat("\t"); - for (var k = 0; k < iterations; ++k) { - tree = quadtree(nodes, x, y).visitAfter(prepare); - for (i = 0; i < n; ++i) { - node = nodes[i]; - ri = radii[node.index], ri2 = ri * ri; - xi = node.x + node.vx; - yi = node.y + node.vy; - tree.visit(apply); - } - } +var tsvParse = tsv$1.parse; +var tsvParseRows = tsv$1.parseRows; +var tsvFormat = tsv$1.format; +var tsvFormatBody = tsv$1.formatBody; +var tsvFormatRows = tsv$1.formatRows; +var tsvFormatRow = tsv$1.formatRow; +var tsvFormatValue = tsv$1.formatValue; - function apply(quad, x0, y0, x1, y1) { - var data = quad.data, rj = quad.r, r = ri + rj; - if (data) { - if (data.index > node.index) { - var x = xi - data.x - data.vx, - y = yi - data.y - data.vy, - l = x * x + y * y; - if (l < r * r) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - l = (r - (l = Math.sqrt(l))) / l * strength; - node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj)); - node.vy += (y *= l) * r; - data.vx -= x * (r = 1 - r); - data.vy -= y * r; - } - } - return; - } - return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r; +function autoType(object) { + for (var key in object) { + var value = object[key].trim(), number, m; + if (!value) value = null; + else if (value === "true") value = true; + else if (value === "false") value = false; + else if (value === "NaN") value = NaN; + else if (!isNaN(number = +value)) value = number; + else if (m = value.match(/^([-+]\d{2})?\d{4}(-\d{2}(-\d{2})?)?(T\d{2}:\d{2}(:\d{2}(\.\d{3})?)?(Z|[-+]\d{2}:\d{2})?)?$/)) { + if (fixtz && !!m[4] && !m[7]) value = value.replace(/-/g, "/").replace(/T/, " "); + value = new Date(value); } + else continue; + object[key] = value; } + return object; +} - function prepare(quad) { - if (quad.data) return quad.r = radii[quad.data.index]; - for (var i = quad.r = 0; i < 4; ++i) { - if (quad[i] && quad[i].r > quad.r) { - quad.r = quad[i].r; - } - } - } +// https://github.com/d3/d3-dsv/issues/45 +const fixtz = new Date("2019-01-01T00:00").getHours() || new Date("2019-07-01T00:00").getHours(); - function initialize() { - if (!nodes) return; - var i, n = nodes.length, node; - radii = new Array(n); - for (i = 0; i < n; ++i) node = nodes[i], radii[node.index] = +radius(node, i, nodes); - } +function responseBlob(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + return response.blob(); +} - force.initialize = function(_) { - nodes = _; - initialize(); - }; +function blob(input, init) { + return fetch(input, init).then(responseBlob); +} - force.iterations = function(_) { - return arguments.length ? (iterations = +_, force) : iterations; - }; +function responseArrayBuffer(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + return response.arrayBuffer(); +} - force.strength = function(_) { - return arguments.length ? (strength = +_, force) : strength; - }; +function buffer(input, init) { + return fetch(input, init).then(responseArrayBuffer); +} - force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : radius; - }; +function responseText(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + return response.text(); +} - return force; +function text(input, init) { + return fetch(input, init).then(responseText); } -function index(d) { - return d.index; +function dsvParse(parse) { + return function(input, init, row) { + if (arguments.length === 2 && typeof init === "function") row = init, init = undefined; + return text(input, init).then(function(response) { + return parse(response, row); + }); + }; } -function find(nodeById, nodeId) { - var node = nodeById.get(nodeId); - if (!node) throw new Error("missing: " + nodeId); - return node; +function dsv(delimiter, input, init, row) { + if (arguments.length === 3 && typeof init === "function") row = init, init = undefined; + var format = dsvFormat(delimiter); + return text(input, init).then(function(response) { + return format.parse(response, row); + }); } -function link(links) { - var id = index, - strength = defaultStrength, - strengths, - distance = constant$7(30), - distances, - nodes, - count, - bias, - iterations = 1; +var csv = dsvParse(csvParse); +var tsv = dsvParse(tsvParse); - if (links == null) links = []; +function image(input, init) { + return new Promise(function(resolve, reject) { + var image = new Image; + for (var key in init) image[key] = init[key]; + image.onerror = reject; + image.onload = function() { resolve(image); }; + image.src = input; + }); +} - function defaultStrength(link) { - return 1 / Math.min(count[link.source.index], count[link.target.index]); - } +function responseJson(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + if (response.status === 204 || response.status === 205) return; + return response.json(); +} - function force(alpha) { - for (var k = 0, n = links.length; k < iterations; ++k) { - for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) { - link = links[i], source = link.source, target = link.target; - x = target.x + target.vx - source.x - source.vx || jiggle(); - y = target.y + target.vy - source.y - source.vy || jiggle(); - l = Math.sqrt(x * x + y * y); - l = (l - distances[i]) / l * alpha * strengths[i]; - x *= l, y *= l; - target.vx -= x * (b = bias[i]); - target.vy -= y * b; - source.vx += x * (b = 1 - b); - source.vy += y * b; - } - } - } +function json(input, init) { + return fetch(input, init).then(responseJson); +} - function initialize() { - if (!nodes) return; +function parser(type) { + return (input, init) => text(input, init) + .then(text => (new DOMParser).parseFromString(text, type)); +} - var i, - n = nodes.length, - m = links.length, - nodeById = map$1(nodes, id), - link; +var xml = parser("application/xml"); - for (i = 0, count = new Array(n); i < m; ++i) { - link = links[i], link.index = i; - if (typeof link.source !== "object") link.source = find(nodeById, link.source); - if (typeof link.target !== "object") link.target = find(nodeById, link.target); - count[link.source.index] = (count[link.source.index] || 0) + 1; - count[link.target.index] = (count[link.target.index] || 0) + 1; - } +var html = parser("text/html"); - for (i = 0, bias = new Array(m); i < m; ++i) { - link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]); - } +var svg = parser("image/svg+xml"); - strengths = new Array(m), initializeStrength(); - distances = new Array(m), initializeDistance(); - } +function center(x, y) { + var nodes, strength = 1; - function initializeStrength() { - if (!nodes) return; + if (x == null) x = 0; + if (y == null) y = 0; - for (var i = 0, n = links.length; i < n; ++i) { - strengths[i] = +strength(links[i], i, links); - } - } + function force() { + var i, + n = nodes.length, + node, + sx = 0, + sy = 0; - function initializeDistance() { - if (!nodes) return; + for (i = 0; i < n; ++i) { + node = nodes[i], sx += node.x, sy += node.y; + } - for (var i = 0, n = links.length; i < n; ++i) { - distances[i] = +distance(links[i], i, links); + for (sx = (sx / n - x) * strength, sy = (sy / n - y) * strength, i = 0; i < n; ++i) { + node = nodes[i], node.x -= sx, node.y -= sy; } } force.initialize = function(_) { nodes = _; - initialize(); }; - force.links = function(_) { - return arguments.length ? (links = _, initialize(), force) : links; - }; - - force.id = function(_) { - return arguments.length ? (id = _, force) : id; + force.x = function(_) { + return arguments.length ? (x = +_, force) : x; }; - force.iterations = function(_) { - return arguments.length ? (iterations = +_, force) : iterations; + force.y = function(_) { + return arguments.length ? (y = +_, force) : y; }; force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initializeStrength(), force) : strength; - }; - - force.distance = function(_) { - return arguments.length ? (distance = typeof _ === "function" ? _ : constant$7(+_), initializeDistance(), force) : distance; + return arguments.length ? (strength = +_, force) : strength; }; return force; } -function x$1(d) { - return d.x; +function tree_add(d) { + const x = +this._x.call(null, d), + y = +this._y.call(null, d); + return add(this.cover(x, y), x, y, d); } -function y$1(d) { - return d.y; -} +function add(tree, x, y, d) { + if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points -var initialRadius = 10, - initialAngle = Math.PI * (3 - Math.sqrt(5)); + var parent, + node = tree._root, + leaf = {data: d}, + x0 = tree._x0, + y0 = tree._y0, + x1 = tree._x1, + y1 = tree._y1, + xm, + ym, + xp, + yp, + right, + bottom, + i, + j; -function simulation(nodes) { - var simulation, - alpha = 1, - alphaMin = 0.001, - alphaDecay = 1 - Math.pow(alphaMin, 1 / 300), - alphaTarget = 0, - velocityDecay = 0.6, - forces = map$1(), - stepper = timer(step), - event = dispatch("tick", "end"); - - if (nodes == null) nodes = []; + // If the tree is empty, initialize the root as a leaf. + if (!node) return tree._root = leaf, tree; - function step() { - tick(); - event.call("tick", simulation); - if (alpha < alphaMin) { - stepper.stop(); - event.call("end", simulation); - } + // Find the existing leaf for the new point, or add it. + while (node.length) { + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree; } - function tick(iterations) { - var i, n = nodes.length, node; + // Is the new point is exactly coincident with the existing point? + xp = +tree._x.call(null, node.data); + yp = +tree._y.call(null, node.data); + if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree; - if (iterations === undefined) iterations = 1; + // Otherwise, split the leaf node until the old and new point are separated. + do { + parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4); + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm))); + return parent[j] = node, parent[i] = leaf, tree; +} - for (var k = 0; k < iterations; ++k) { - alpha += (alphaTarget - alpha) * alphaDecay; +function addAll(data) { + var d, i, n = data.length, + x, + y, + xz = new Array(n), + yz = new Array(n), + x0 = Infinity, + y0 = Infinity, + x1 = -Infinity, + y1 = -Infinity; - forces.each(function (force) { - force(alpha); - }); + // Compute the points and their extent. + for (i = 0; i < n; ++i) { + if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue; + xz[i] = x; + yz[i] = y; + if (x < x0) x0 = x; + if (x > x1) x1 = x; + if (y < y0) y0 = y; + if (y > y1) y1 = y; + } - for (i = 0; i < n; ++i) { - node = nodes[i]; - if (node.fx == null) node.x += node.vx *= velocityDecay; - else node.x = node.fx, node.vx = 0; - if (node.fy == null) node.y += node.vy *= velocityDecay; - else node.y = node.fy, node.vy = 0; - } - } + // If there were no (valid) points, abort. + if (x0 > x1 || y0 > y1) return this; - return simulation; - } + // Expand the tree to cover the new points. + this.cover(x0, y0).cover(x1, y1); - function initializeNodes() { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.index = i; - if (node.fx != null) node.x = node.fx; - if (node.fy != null) node.y = node.fy; - if (isNaN(node.x) || isNaN(node.y)) { - var radius = initialRadius * Math.sqrt(i), angle = i * initialAngle; - node.x = radius * Math.cos(angle); - node.y = radius * Math.sin(angle); - } - if (isNaN(node.vx) || isNaN(node.vy)) { - node.vx = node.vy = 0; - } - } + // Add the new points. + for (i = 0; i < n; ++i) { + add(this, xz[i], yz[i], data[i]); } - function initializeForce(force) { - if (force.initialize) force.initialize(nodes); - return force; + return this; +} + +function tree_cover(x, y) { + if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points + + var x0 = this._x0, + y0 = this._y0, + x1 = this._x1, + y1 = this._y1; + + // If the quadtree has no extent, initialize them. + // Integer extent are necessary so that if we later double the extent, + // the existing quadrant boundaries don’t change due to floating point error! + if (isNaN(x0)) { + x1 = (x0 = Math.floor(x)) + 1; + y1 = (y0 = Math.floor(y)) + 1; } - initializeNodes(); + // Otherwise, double repeatedly to cover. + else { + var z = x1 - x0 || 1, + node = this._root, + parent, + i; - return simulation = { - tick: tick, + while (x0 > x || x >= x1 || y0 > y || y >= y1) { + i = (y < y0) << 1 | (x < x0); + parent = new Array(4), parent[i] = node, node = parent, z *= 2; + switch (i) { + case 0: x1 = x0 + z, y1 = y0 + z; break; + case 1: x0 = x1 - z, y1 = y0 + z; break; + case 2: x1 = x0 + z, y0 = y1 - z; break; + case 3: x0 = x1 - z, y0 = y1 - z; break; + } + } - restart: function() { - return stepper.restart(step), simulation; - }, + if (this._root && this._root.length) this._root = node; + } - stop: function() { - return stepper.stop(), simulation; - }, + this._x0 = x0; + this._y0 = y0; + this._x1 = x1; + this._y1 = y1; + return this; +} - nodes: function(_) { - return arguments.length ? (nodes = _, initializeNodes(), forces.each(initializeForce), simulation) : nodes; - }, +function tree_data() { + var data = []; + this.visit(function(node) { + if (!node.length) do data.push(node.data); while (node = node.next) + }); + return data; +} - alpha: function(_) { - return arguments.length ? (alpha = +_, simulation) : alpha; - }, +function tree_extent(_) { + return arguments.length + ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) + : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; +} - alphaMin: function(_) { - return arguments.length ? (alphaMin = +_, simulation) : alphaMin; - }, +function Quad(node, x0, y0, x1, y1) { + this.node = node; + this.x0 = x0; + this.y0 = y0; + this.x1 = x1; + this.y1 = y1; +} - alphaDecay: function(_) { - return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay; - }, +function tree_find(x, y, radius) { + var data, + x0 = this._x0, + y0 = this._y0, + x1, + y1, + x2, + y2, + x3 = this._x1, + y3 = this._y1, + quads = [], + node = this._root, + q, + i; - alphaTarget: function(_) { - return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget; - }, + if (node) quads.push(new Quad(node, x0, y0, x3, y3)); + if (radius == null) radius = Infinity; + else { + x0 = x - radius, y0 = y - radius; + x3 = x + radius, y3 = y + radius; + radius *= radius; + } - velocityDecay: function(_) { - return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay; - }, + while (q = quads.pop()) { - force: function(name, _) { - return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); - }, + // Stop searching if this quadrant can’t contain a closer node. + if (!(node = q.node) + || (x1 = q.x0) > x3 + || (y1 = q.y0) > y3 + || (x2 = q.x1) < x0 + || (y2 = q.y1) < y0) continue; - find: function(x, y, radius) { - var i = 0, - n = nodes.length, - dx, - dy, - d2, - node, - closest; + // Bisect the current quadrant. + if (node.length) { + var xm = (x1 + x2) / 2, + ym = (y1 + y2) / 2; - if (radius == null) radius = Infinity; - else radius *= radius; + quads.push( + new Quad(node[3], xm, ym, x2, y2), + new Quad(node[2], x1, ym, xm, y2), + new Quad(node[1], xm, y1, x2, ym), + new Quad(node[0], x1, y1, xm, ym) + ); - for (i = 0; i < n; ++i) { - node = nodes[i]; - dx = x - node.x; - dy = y - node.y; - d2 = dx * dx + dy * dy; - if (d2 < radius) closest = node, radius = d2; + // Visit the closest quadrant first. + if (i = (y >= ym) << 1 | (x >= xm)) { + q = quads[quads.length - 1]; + quads[quads.length - 1] = quads[quads.length - 1 - i]; + quads[quads.length - 1 - i] = q; } + } - return closest; - }, - - on: function(name, _) { - return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); + // Visit this point. (Visiting coincident points isn’t necessary!) + else { + var dx = x - +this._x.call(null, node.data), + dy = y - +this._y.call(null, node.data), + d2 = dx * dx + dy * dy; + if (d2 < radius) { + var d = Math.sqrt(radius = d2); + x0 = x - d, y0 = y - d; + x3 = x + d, y3 = y + d; + data = node.data; + } } - }; + } + + return data; } -function manyBody() { - var nodes, - node, - alpha, - strength = constant$7(-30), - strengths, - distanceMin2 = 1, - distanceMax2 = Infinity, - theta2 = 0.81; - - function force(_) { - var i, n = nodes.length, tree = quadtree(nodes, x$1, y$1).visitAfter(accumulate); - for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); - } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length, node; - strengths = new Array(n); - for (i = 0; i < n; ++i) node = nodes[i], strengths[node.index] = +strength(node, i, nodes); - } - - function accumulate(quad) { - var strength = 0, q, c, weight = 0, x, y, i; +function tree_remove(d) { + if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points - // For internal nodes, accumulate forces from child quadrants. - if (quad.length) { - for (x = y = i = 0; i < 4; ++i) { - if ((q = quad[i]) && (c = Math.abs(q.value))) { - strength += q.value, weight += c, x += c * q.x, y += c * q.y; - } - } - quad.x = x / weight; - quad.y = y / weight; - } + var parent, + node = this._root, + retainer, + previous, + next, + x0 = this._x0, + y0 = this._y0, + x1 = this._x1, + y1 = this._y1, + x, + y, + xm, + ym, + right, + bottom, + i, + j; - // For leaf nodes, accumulate forces from coincident quadrants. - else { - q = quad; - q.x = q.data.x; - q.y = q.data.y; - do strength += strengths[q.data.index]; - while (q = q.next); - } + // If the tree is empty, initialize the root as a leaf. + if (!node) return this; - quad.value = strength; + // Find the leaf node for the point. + // While descending, also retain the deepest parent with a non-removed sibling. + if (node.length) while (true) { + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + if (!(parent = node, node = node[i = bottom << 1 | right])) return this; + if (!node.length) break; + if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i; } - function apply(quad, x1, _, x2) { - if (!quad.value) return true; - - var x = quad.x - node.x, - y = quad.y - node.y, - w = x2 - x1, - l = x * x + y * y; + // Find the point to remove. + while (node.data !== d) if (!(previous = node, node = node.next)) return this; + if (next = node.next) delete node.next; - // Apply the Barnes-Hut approximation if possible. - // Limit forces for very close nodes; randomize direction if coincident. - if (w * w / theta2 < l) { - if (l < distanceMax2) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); - node.vx += x * quad.value * alpha / l; - node.vy += y * quad.value * alpha / l; - } - return true; - } + // If there are multiple coincident points, remove just the point. + if (previous) return (next ? previous.next = next : delete previous.next), this; - // Otherwise, process points directly. - else if (quad.length || l >= distanceMax2) return; + // If this is the root point, remove it. + if (!parent) return this._root = next, this; - // Limit forces for very close nodes; randomize direction if coincident. - if (quad.data !== node || quad.next) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); - } + // Remove this leaf. + next ? parent[i] = next : delete parent[i]; - do if (quad.data !== node) { - w = strengths[quad.data.index] * alpha / l; - node.vx += x * w; - node.vy += y * w; - } while (quad = quad.next); + // If the parent now contains exactly one leaf, collapse superfluous parents. + if ((node = parent[0] || parent[1] || parent[2] || parent[3]) + && node === (parent[3] || parent[2] || parent[1] || parent[0]) + && !node.length) { + if (retainer) retainer[j] = node; + else this._root = node; } - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; - }; - - force.distanceMin = function(_) { - return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2); - }; - - force.distanceMax = function(_) { - return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2); - }; - - force.theta = function(_) { - return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2); - }; + return this; +} - return force; +function removeAll(data) { + for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); + return this; } -function radial(radius, x, y) { - var nodes, - strength = constant$7(0.1), - strengths, - radiuses; +function tree_root() { + return this._root; +} - if (typeof radius !== "function") radius = constant$7(+radius); - if (x == null) x = 0; - if (y == null) y = 0; +function tree_size() { + var size = 0; + this.visit(function(node) { + if (!node.length) do ++size; while (node = node.next) + }); + return size; +} - function force(alpha) { - for (var i = 0, n = nodes.length; i < n; ++i) { - var node = nodes[i], - dx = node.x - x || 1e-6, - dy = node.y - y || 1e-6, - r = Math.sqrt(dx * dx + dy * dy), - k = (radiuses[i] - r) * strengths[i] * alpha / r; - node.vx += dx * k; - node.vy += dy * k; +function tree_visit(callback) { + var quads = [], q, node = this._root, child, x0, y0, x1, y1; + if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); + while (q = quads.pop()) { + if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) { + var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; + if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); + if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); + if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); + if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); } } + return this; +} - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - radiuses = new Array(n); - for (i = 0; i < n; ++i) { - radiuses[i] = +radius(nodes[i], i, nodes); - strengths[i] = isNaN(radiuses[i]) ? 0 : +strength(nodes[i], i, nodes); +function tree_visitAfter(callback) { + var quads = [], next = [], q; + if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); + while (q = quads.pop()) { + var node = q.node; + if (node.length) { + var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; + if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); + if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); + if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); + if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); } + next.push(q); + } + while (q = next.pop()) { + callback(q.node, q.x0, q.y0, q.x1, q.y1); } + return this; +} - force.initialize = function(_) { - nodes = _, initialize(); - }; +function defaultX(d) { + return d[0]; +} - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; - }; +function tree_x(_) { + return arguments.length ? (this._x = _, this) : this._x; +} - force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : radius; - }; +function defaultY(d) { + return d[1]; +} - force.x = function(_) { - return arguments.length ? (x = +_, force) : x; - }; +function tree_y(_) { + return arguments.length ? (this._y = _, this) : this._y; +} - force.y = function(_) { - return arguments.length ? (y = +_, force) : y; - }; +function quadtree(nodes, x, y) { + var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); + return nodes == null ? tree : tree.addAll(nodes); +} - return force; +function Quadtree(x, y, x0, y0, x1, y1) { + this._x = x; + this._y = y; + this._x0 = x0; + this._y0 = y0; + this._x1 = x1; + this._y1 = y1; + this._root = undefined; +} + +function leaf_copy(leaf) { + var copy = {data: leaf.data}, next = copy; + while (leaf = leaf.next) next = next.next = {data: leaf.data}; + return copy; } -function x$2(x) { - var strength = constant$7(0.1), +var treeProto = quadtree.prototype = Quadtree.prototype; + +treeProto.copy = function() { + var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), + node = this._root, nodes, - strengths, - xz; + child; - if (typeof x !== "function") x = constant$7(x == null ? 0 : +x); + if (!node) return copy; - function force(alpha) { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha; - } - } + if (!node.length) return copy._root = leaf_copy(node), copy; + + nodes = [{source: node, target: copy._root = new Array(4)}]; + while (node = nodes.pop()) { + for (var i = 0; i < 4; ++i) { + if (child = node.source[i]) { + if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)}); + else node.target[i] = leaf_copy(child); + } + } + } + + return copy; +}; + +treeProto.add = tree_add; +treeProto.addAll = addAll; +treeProto.cover = tree_cover; +treeProto.data = tree_data; +treeProto.extent = tree_extent; +treeProto.find = tree_find; +treeProto.remove = tree_remove; +treeProto.removeAll = removeAll; +treeProto.root = tree_root; +treeProto.size = tree_size; +treeProto.visit = tree_visit; +treeProto.visitAfter = tree_visitAfter; +treeProto.x = tree_x; +treeProto.y = tree_y; + +function constant$4(x) { + return function() { + return x; + }; +} + +function jiggle(random) { + return (random() - 0.5) * 1e-6; +} + +function x$3(d) { + return d.x + d.vx; +} + +function y$3(d) { + return d.y + d.vy; +} + +function collide(radius) { + var nodes, + radii, + random, + strength = 1, + iterations = 1; + + if (typeof radius !== "function") radius = constant$4(radius == null ? 1 : +radius); + + function force() { + var i, n = nodes.length, + tree, + node, + xi, + yi, + ri, + ri2; + + for (var k = 0; k < iterations; ++k) { + tree = quadtree(nodes, x$3, y$3).visitAfter(prepare); + for (i = 0; i < n; ++i) { + node = nodes[i]; + ri = radii[node.index], ri2 = ri * ri; + xi = node.x + node.vx; + yi = node.y + node.vy; + tree.visit(apply); + } + } + + function apply(quad, x0, y0, x1, y1) { + var data = quad.data, rj = quad.r, r = ri + rj; + if (data) { + if (data.index > node.index) { + var x = xi - data.x - data.vx, + y = yi - data.y - data.vy, + l = x * x + y * y; + if (l < r * r) { + if (x === 0) x = jiggle(random), l += x * x; + if (y === 0) y = jiggle(random), l += y * y; + l = (r - (l = Math.sqrt(l))) / l * strength; + node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj)); + node.vy += (y *= l) * r; + data.vx -= x * (r = 1 - r); + data.vy -= y * r; + } + } + return; + } + return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r; + } + } + + function prepare(quad) { + if (quad.data) return quad.r = radii[quad.data.index]; + for (var i = quad.r = 0; i < 4; ++i) { + if (quad[i] && quad[i].r > quad.r) { + quad.r = quad[i].r; + } + } + } function initialize() { if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - xz = new Array(n); - for (i = 0; i < n; ++i) { - strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); - } + var i, n = nodes.length, node; + radii = new Array(n); + for (i = 0; i < n; ++i) node = nodes[i], radii[node.index] = +radius(node, i, nodes); } - force.initialize = function(_) { - nodes = _; + force.initialize = function(_nodes, _random) { + nodes = _nodes; + random = _random; initialize(); }; + force.iterations = function(_) { + return arguments.length ? (iterations = +_, force) : iterations; + }; + force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; + return arguments.length ? (strength = +_, force) : strength; }; - force.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : x; + force.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$4(+_), initialize(), force) : radius; }; return force; } -function y$2(y) { - var strength = constant$7(0.1), - nodes, +function index$3(d) { + return d.index; +} + +function find(nodeById, nodeId) { + var node = nodeById.get(nodeId); + if (!node) throw new Error("node not found: " + nodeId); + return node; +} + +function link$2(links) { + var id = index$3, + strength = defaultStrength, strengths, - yz; + distance = constant$4(30), + distances, + nodes, + count, + bias, + random, + iterations = 1; - if (typeof y !== "function") y = constant$7(y == null ? 0 : +y); + if (links == null) links = []; + + function defaultStrength(link) { + return 1 / Math.min(count[link.source.index], count[link.target.index]); + } function force(alpha) { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha; + for (var k = 0, n = links.length; k < iterations; ++k) { + for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) { + link = links[i], source = link.source, target = link.target; + x = target.x + target.vx - source.x - source.vx || jiggle(random); + y = target.y + target.vy - source.y - source.vy || jiggle(random); + l = Math.sqrt(x * x + y * y); + l = (l - distances[i]) / l * alpha * strengths[i]; + x *= l, y *= l; + target.vx -= x * (b = bias[i]); + target.vy -= y * b; + source.vx += x * (b = 1 - b); + source.vy += y * b; + } } } function initialize() { if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - yz = new Array(n); - for (i = 0; i < n; ++i) { - strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + + var i, + n = nodes.length, + m = links.length, + nodeById = new Map(nodes.map((d, i) => [id(d, i, nodes), d])), + link; + + for (i = 0, count = new Array(n); i < m; ++i) { + link = links[i], link.index = i; + if (typeof link.source !== "object") link.source = find(nodeById, link.source); + if (typeof link.target !== "object") link.target = find(nodeById, link.target); + count[link.source.index] = (count[link.source.index] || 0) + 1; + count[link.target.index] = (count[link.target.index] || 0) + 1; + } + + for (i = 0, bias = new Array(m); i < m; ++i) { + link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]); } + + strengths = new Array(m), initializeStrength(); + distances = new Array(m), initializeDistance(); } - force.initialize = function(_) { - nodes = _; + function initializeStrength() { + if (!nodes) return; + + for (var i = 0, n = links.length; i < n; ++i) { + strengths[i] = +strength(links[i], i, links); + } + } + + function initializeDistance() { + if (!nodes) return; + + for (var i = 0, n = links.length; i < n; ++i) { + distances[i] = +distance(links[i], i, links); + } + } + + force.initialize = function(_nodes, _random) { + nodes = _nodes; + random = _random; initialize(); }; + force.links = function(_) { + return arguments.length ? (links = _, initialize(), force) : links; + }; + + force.id = function(_) { + return arguments.length ? (id = _, force) : id; + }; + + force.iterations = function(_) { + return arguments.length ? (iterations = +_, force) : iterations; + }; + force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$4(+_), initializeStrength(), force) : strength; }; - force.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : y; + force.distance = function(_) { + return arguments.length ? (distance = typeof _ === "function" ? _ : constant$4(+_), initializeDistance(), force) : distance; }; return force; } -// Computes the decimal coefficient and exponent of the specified number x with -// significant digits p, where x is positive and p is in [1, 21] or undefined. -// For example, formatDecimal(1.23) returns ["123", 0]. -function formatDecimal(x, p) { - if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity - var i, coefficient = x.slice(0, i); +// https://en.wikipedia.org/wiki/Linear_congruential_generator#Parameters_in_common_use +const a$1 = 1664525; +const c$3 = 1013904223; +const m = 4294967296; // 2^32 - // The string returned by toExponential either has the form \d\.\d+e[-+]\d+ - // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3). - return [ - coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, - +x.slice(i + 1) - ]; +function lcg$1() { + let s = 1; + return () => (s = (a$1 * s + c$3) % m) / m; } -function exponent$1(x) { - return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; +function x$2(d) { + return d.x; } -function formatGroup(grouping, thousands) { - return function(value, width) { - var i = value.length, - t = [], - j = 0, - g = grouping[0], - length = 0; - - while (i > 0 && g > 0) { - if (length + g + 1 > width) g = Math.max(1, width - length); - t.push(value.substring(i -= g, i + g)); - if ((length += g + 1) > width) break; - g = grouping[j = (j + 1) % grouping.length]; - } - - return t.reverse().join(thousands); - }; +function y$2(d) { + return d.y; } -function formatNumerals(numerals) { - return function(value) { - return value.replace(/[0-9]/g, function(i) { - return numerals[+i]; - }); - }; -} +var initialRadius = 10, + initialAngle = Math.PI * (3 - Math.sqrt(5)); -// [[fill]align][sign][symbol][0][width][,][.precision][~][type] -var re = /^(?:(.)?([<>=^]))?([+\-( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i; +function simulation(nodes) { + var simulation, + alpha = 1, + alphaMin = 0.001, + alphaDecay = 1 - Math.pow(alphaMin, 1 / 300), + alphaTarget = 0, + velocityDecay = 0.6, + forces = new Map(), + stepper = timer(step), + event = dispatch("tick", "end"), + random = lcg$1(); -function formatSpecifier(specifier) { - if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); - var match; - return new FormatSpecifier({ - fill: match[1], - align: match[2], - sign: match[3], - symbol: match[4], - zero: match[5], - width: match[6], - comma: match[7], - precision: match[8] && match[8].slice(1), - trim: match[9], - type: match[10] - }); -} - -formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof - -function FormatSpecifier(specifier) { - this.fill = specifier.fill === undefined ? " " : specifier.fill + ""; - this.align = specifier.align === undefined ? ">" : specifier.align + ""; - this.sign = specifier.sign === undefined ? "-" : specifier.sign + ""; - this.symbol = specifier.symbol === undefined ? "" : specifier.symbol + ""; - this.zero = !!specifier.zero; - this.width = specifier.width === undefined ? undefined : +specifier.width; - this.comma = !!specifier.comma; - this.precision = specifier.precision === undefined ? undefined : +specifier.precision; - this.trim = !!specifier.trim; - this.type = specifier.type === undefined ? "" : specifier.type + ""; -} - -FormatSpecifier.prototype.toString = function() { - return this.fill - + this.align - + this.sign - + this.symbol - + (this.zero ? "0" : "") - + (this.width === undefined ? "" : Math.max(1, this.width | 0)) - + (this.comma ? "," : "") - + (this.precision === undefined ? "" : "." + Math.max(0, this.precision | 0)) - + (this.trim ? "~" : "") - + this.type; -}; + if (nodes == null) nodes = []; -// Trims insignificant zeros, e.g., replaces 1.2000k with 1.2k. -function formatTrim(s) { - out: for (var n = s.length, i = 1, i0 = -1, i1; i < n; ++i) { - switch (s[i]) { - case ".": i0 = i1 = i; break; - case "0": if (i0 === 0) i0 = i; i1 = i; break; - default: if (!+s[i]) break out; if (i0 > 0) i0 = 0; break; + function step() { + tick(); + event.call("tick", simulation); + if (alpha < alphaMin) { + stepper.stop(); + event.call("end", simulation); } } - return i0 > 0 ? s.slice(0, i0) + s.slice(i1 + 1) : s; -} -var prefixExponent; + function tick(iterations) { + var i, n = nodes.length, node; -function formatPrefixAuto(x, p) { - var d = formatDecimal(x, p); - if (!d) return x + ""; - var coefficient = d[0], - exponent = d[1], - i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, - n = coefficient.length; - return i === n ? coefficient - : i > n ? coefficient + new Array(i - n + 1).join("0") - : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) - : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y! -} + if (iterations === undefined) iterations = 1; -function formatRounded(x, p) { - var d = formatDecimal(x, p); - if (!d) return x + ""; - var coefficient = d[0], - exponent = d[1]; - return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient - : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) - : coefficient + new Array(exponent - coefficient.length + 2).join("0"); -} + for (var k = 0; k < iterations; ++k) { + alpha += (alphaTarget - alpha) * alphaDecay; -var formatTypes = { - "%": function(x, p) { return (x * 100).toFixed(p); }, - "b": function(x) { return Math.round(x).toString(2); }, - "c": function(x) { return x + ""; }, - "d": function(x) { return Math.round(x).toString(10); }, - "e": function(x, p) { return x.toExponential(p); }, - "f": function(x, p) { return x.toFixed(p); }, - "g": function(x, p) { return x.toPrecision(p); }, - "o": function(x) { return Math.round(x).toString(8); }, - "p": function(x, p) { return formatRounded(x * 100, p); }, - "r": formatRounded, - "s": formatPrefixAuto, - "X": function(x) { return Math.round(x).toString(16).toUpperCase(); }, - "x": function(x) { return Math.round(x).toString(16); } -}; + forces.forEach(function(force) { + force(alpha); + }); -function identity$3(x) { - return x; -} + for (i = 0; i < n; ++i) { + node = nodes[i]; + if (node.fx == null) node.x += node.vx *= velocityDecay; + else node.x = node.fx, node.vx = 0; + if (node.fy == null) node.y += node.vy *= velocityDecay; + else node.y = node.fy, node.vy = 0; + } + } -var map$2 = Array.prototype.map, - prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; + return simulation; + } -function formatLocale(locale) { - var group = locale.grouping === undefined || locale.thousands === undefined ? identity$3 : formatGroup(map$2.call(locale.grouping, Number), locale.thousands + ""), - currencyPrefix = locale.currency === undefined ? "" : locale.currency[0] + "", - currencySuffix = locale.currency === undefined ? "" : locale.currency[1] + "", - decimal = locale.decimal === undefined ? "." : locale.decimal + "", - numerals = locale.numerals === undefined ? identity$3 : formatNumerals(map$2.call(locale.numerals, String)), - percent = locale.percent === undefined ? "%" : locale.percent + "", - minus = locale.minus === undefined ? "-" : locale.minus + "", - nan = locale.nan === undefined ? "NaN" : locale.nan + ""; + function initializeNodes() { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.index = i; + if (node.fx != null) node.x = node.fx; + if (node.fy != null) node.y = node.fy; + if (isNaN(node.x) || isNaN(node.y)) { + var radius = initialRadius * Math.sqrt(0.5 + i), angle = i * initialAngle; + node.x = radius * Math.cos(angle); + node.y = radius * Math.sin(angle); + } + if (isNaN(node.vx) || isNaN(node.vy)) { + node.vx = node.vy = 0; + } + } + } - function newFormat(specifier) { - specifier = formatSpecifier(specifier); + function initializeForce(force) { + if (force.initialize) force.initialize(nodes, random); + return force; + } - var fill = specifier.fill, - align = specifier.align, - sign = specifier.sign, - symbol = specifier.symbol, - zero = specifier.zero, - width = specifier.width, - comma = specifier.comma, - precision = specifier.precision, - trim = specifier.trim, - type = specifier.type; + initializeNodes(); - // The "n" type is an alias for ",g". - if (type === "n") comma = true, type = "g"; + return simulation = { + tick: tick, - // The "" type, and any invalid type, is an alias for ".12~g". - else if (!formatTypes[type]) precision === undefined && (precision = 12), trim = true, type = "g"; + restart: function() { + return stepper.restart(step), simulation; + }, - // If zero fill is specified, padding goes after sign and before digits. - if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; + stop: function() { + return stepper.stop(), simulation; + }, - // Compute the prefix and suffix. - // For SI-prefix, the suffix is lazily computed. - var prefix = symbol === "$" ? currencyPrefix : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", - suffix = symbol === "$" ? currencySuffix : /[%p]/.test(type) ? percent : ""; + nodes: function(_) { + return arguments.length ? (nodes = _, initializeNodes(), forces.forEach(initializeForce), simulation) : nodes; + }, - // What format function should we use? - // Is this an integer type? - // Can this type generate exponential notation? - var formatType = formatTypes[type], - maybeSuffix = /[defgprs%]/.test(type); + alpha: function(_) { + return arguments.length ? (alpha = +_, simulation) : alpha; + }, - // Set the default precision if not specified, - // or clamp the specified precision to the supported range. - // For significant precision, it must be in [1, 21]. - // For fixed precision, it must be in [0, 20]. - precision = precision === undefined ? 6 - : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) - : Math.max(0, Math.min(20, precision)); + alphaMin: function(_) { + return arguments.length ? (alphaMin = +_, simulation) : alphaMin; + }, - function format(value) { - var valuePrefix = prefix, - valueSuffix = suffix, - i, n, c; + alphaDecay: function(_) { + return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay; + }, - if (type === "c") { - valueSuffix = formatType(value) + valueSuffix; - value = ""; - } else { - value = +value; + alphaTarget: function(_) { + return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget; + }, - // Determine the sign. -0 is not less than 0, but 1 / -0 is! - var valueNegative = value < 0 || 1 / value < 0; + velocityDecay: function(_) { + return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay; + }, - // Perform the initial formatting. - value = isNaN(value) ? nan : formatType(Math.abs(value), precision); + randomSource: function(_) { + return arguments.length ? (random = _, forces.forEach(initializeForce), simulation) : random; + }, - // Trim insignificant zeros. - if (trim) value = formatTrim(value); + force: function(name, _) { + return arguments.length > 1 ? ((_ == null ? forces.delete(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); + }, - // If a negative value rounds to zero after formatting, and no explicit positive sign is requested, hide the sign. - if (valueNegative && +value === 0 && sign !== "+") valueNegative = false; + find: function(x, y, radius) { + var i = 0, + n = nodes.length, + dx, + dy, + d2, + node, + closest; - // Compute the prefix and suffix. - valuePrefix = (valueNegative ? (sign === "(" ? sign : minus) : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; - valueSuffix = (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + valueSuffix + (valueNegative && sign === "(" ? ")" : ""); + if (radius == null) radius = Infinity; + else radius *= radius; - // Break the formatted value into the integer “value” part that can be - // grouped, and fractional or exponential “suffix” part that is not. - if (maybeSuffix) { - i = -1, n = value.length; - while (++i < n) { - if (c = value.charCodeAt(i), 48 > c || c > 57) { - valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix; - value = value.slice(0, i); - break; - } - } - } + for (i = 0; i < n; ++i) { + node = nodes[i]; + dx = x - node.x; + dy = y - node.y; + d2 = dx * dx + dy * dy; + if (d2 < radius) closest = node, radius = d2; } - // If the fill character is not "0", grouping is applied before padding. - if (comma && !zero) value = group(value, Infinity); - - // Compute the padding. - var length = valuePrefix.length + value.length + valueSuffix.length, - padding = length < width ? new Array(width - length + 1).join(fill) : ""; + return closest; + }, - // If the fill character is "0", grouping is applied after padding. - if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; + on: function(name, _) { + return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); + } + }; +} - // Reconstruct the final output based on the desired alignment. - switch (align) { - case "<": value = valuePrefix + value + valueSuffix + padding; break; - case "=": value = valuePrefix + padding + value + valueSuffix; break; - case "^": value = padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); break; - default: value = padding + valuePrefix + value + valueSuffix; break; - } - - return numerals(value); - } - - format.toString = function() { - return specifier + ""; - }; +function manyBody() { + var nodes, + node, + random, + alpha, + strength = constant$4(-30), + strengths, + distanceMin2 = 1, + distanceMax2 = Infinity, + theta2 = 0.81; - return format; + function force(_) { + var i, n = nodes.length, tree = quadtree(nodes, x$2, y$2).visitAfter(accumulate); + for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); } - function formatPrefix(specifier, value) { - var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), - e = Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3, - k = Math.pow(10, -e), - prefix = prefixes[8 + e / 3]; - return function(value) { - return f(k * value) + prefix; - }; + function initialize() { + if (!nodes) return; + var i, n = nodes.length, node; + strengths = new Array(n); + for (i = 0; i < n; ++i) node = nodes[i], strengths[node.index] = +strength(node, i, nodes); } - return { - format: newFormat, - formatPrefix: formatPrefix - }; -} - -var locale; + function accumulate(quad) { + var strength = 0, q, c, weight = 0, x, y, i; -defaultLocale({ - decimal: ".", - thousands: ",", - grouping: [3], - currency: ["$", ""], - minus: "-" -}); + // For internal nodes, accumulate forces from child quadrants. + if (quad.length) { + for (x = y = i = 0; i < 4; ++i) { + if ((q = quad[i]) && (c = Math.abs(q.value))) { + strength += q.value, weight += c, x += c * q.x, y += c * q.y; + } + } + quad.x = x / weight; + quad.y = y / weight; + } -function defaultLocale(definition) { - locale = formatLocale(definition); - exports.format = locale.format; - exports.formatPrefix = locale.formatPrefix; - return locale; -} + // For leaf nodes, accumulate forces from coincident quadrants. + else { + q = quad; + q.x = q.data.x; + q.y = q.data.y; + do strength += strengths[q.data.index]; + while (q = q.next); + } -function precisionFixed(step) { - return Math.max(0, -exponent$1(Math.abs(step))); -} + quad.value = strength; + } -function precisionPrefix(step, value) { - return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step))); -} + function apply(quad, x1, _, x2) { + if (!quad.value) return true; -function precisionRound(step, max) { - step = Math.abs(step), max = Math.abs(max) - step; - return Math.max(0, exponent$1(max) - exponent$1(step)) + 1; -} + var x = quad.x - node.x, + y = quad.y - node.y, + w = x2 - x1, + l = x * x + y * y; -// Adds floating point numbers with twice the normal precision. -// Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and -// Fast Robust Geometric Predicates, Discrete & Computational Geometry 18(3) -// 305–363 (1997). -// Code adapted from GeographicLib by Charles F. F. Karney, -// http://geographiclib.sourceforge.net/ + // Apply the Barnes-Hut approximation if possible. + // Limit forces for very close nodes; randomize direction if coincident. + if (w * w / theta2 < l) { + if (l < distanceMax2) { + if (x === 0) x = jiggle(random), l += x * x; + if (y === 0) y = jiggle(random), l += y * y; + if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); + node.vx += x * quad.value * alpha / l; + node.vy += y * quad.value * alpha / l; + } + return true; + } -function adder() { - return new Adder; -} + // Otherwise, process points directly. + else if (quad.length || l >= distanceMax2) return; -function Adder() { - this.reset(); -} + // Limit forces for very close nodes; randomize direction if coincident. + if (quad.data !== node || quad.next) { + if (x === 0) x = jiggle(random), l += x * x; + if (y === 0) y = jiggle(random), l += y * y; + if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); + } -Adder.prototype = { - constructor: Adder, - reset: function() { - this.s = // rounded value - this.t = 0; // exact error - }, - add: function(y) { - add$1(temp, y, this.t); - add$1(this, temp.s, this.s); - if (this.s) this.t += temp.t; - else this.s = temp.t; - }, - valueOf: function() { - return this.s; + do if (quad.data !== node) { + w = strengths[quad.data.index] * alpha / l; + node.vx += x * w; + node.vy += y * w; + } while (quad = quad.next); } -}; -var temp = new Adder; - -function add$1(adder, a, b) { - var x = adder.s = a + b, - bv = x - a, - av = x - bv; - adder.t = (a - av) + (b - bv); -} + force.initialize = function(_nodes, _random) { + nodes = _nodes; + random = _random; + initialize(); + }; -var epsilon$2 = 1e-6; -var epsilon2$1 = 1e-12; -var pi$3 = Math.PI; -var halfPi$2 = pi$3 / 2; -var quarterPi = pi$3 / 4; -var tau$3 = pi$3 * 2; + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$4(+_), initialize(), force) : strength; + }; -var degrees$1 = 180 / pi$3; -var radians = pi$3 / 180; + force.distanceMin = function(_) { + return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2); + }; -var abs = Math.abs; -var atan = Math.atan; -var atan2 = Math.atan2; -var cos$1 = Math.cos; -var ceil = Math.ceil; -var exp = Math.exp; -var log = Math.log; -var pow = Math.pow; -var sin$1 = Math.sin; -var sign = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; }; -var sqrt = Math.sqrt; -var tan = Math.tan; + force.distanceMax = function(_) { + return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2); + }; -function acos(x) { - return x > 1 ? 0 : x < -1 ? pi$3 : Math.acos(x); -} + force.theta = function(_) { + return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2); + }; -function asin(x) { - return x > 1 ? halfPi$2 : x < -1 ? -halfPi$2 : Math.asin(x); + return force; } -function haversin(x) { - return (x = sin$1(x / 2)) * x; -} +function radial$1(radius, x, y) { + var nodes, + strength = constant$4(0.1), + strengths, + radiuses; -function noop$2() {} + if (typeof radius !== "function") radius = constant$4(+radius); + if (x == null) x = 0; + if (y == null) y = 0; -function streamGeometry(geometry, stream) { - if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { - streamGeometryType[geometry.type](geometry, stream); + function force(alpha) { + for (var i = 0, n = nodes.length; i < n; ++i) { + var node = nodes[i], + dx = node.x - x || 1e-6, + dy = node.y - y || 1e-6, + r = Math.sqrt(dx * dx + dy * dy), + k = (radiuses[i] - r) * strengths[i] * alpha / r; + node.vx += dx * k; + node.vy += dy * k; + } } -} -var streamObjectType = { - Feature: function(object, stream) { - streamGeometry(object.geometry, stream); - }, - FeatureCollection: function(object, stream) { - var features = object.features, i = -1, n = features.length; - while (++i < n) streamGeometry(features[i].geometry, stream); + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + radiuses = new Array(n); + for (i = 0; i < n; ++i) { + radiuses[i] = +radius(nodes[i], i, nodes); + strengths[i] = isNaN(radiuses[i]) ? 0 : +strength(nodes[i], i, nodes); + } } -}; -var streamGeometryType = { - Sphere: function(object, stream) { - stream.sphere(); - }, - Point: function(object, stream) { - object = object.coordinates; - stream.point(object[0], object[1], object[2]); - }, - MultiPoint: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]); - }, - LineString: function(object, stream) { - streamLine(object.coordinates, stream, 0); - }, - MultiLineString: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) streamLine(coordinates[i], stream, 0); - }, - Polygon: function(object, stream) { - streamPolygon(object.coordinates, stream); - }, - MultiPolygon: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) streamPolygon(coordinates[i], stream); - }, - GeometryCollection: function(object, stream) { - var geometries = object.geometries, i = -1, n = geometries.length; - while (++i < n) streamGeometry(geometries[i], stream); - } -}; + force.initialize = function(_) { + nodes = _, initialize(); + }; -function streamLine(coordinates, stream, closed) { - var i = -1, n = coordinates.length - closed, coordinate; - stream.lineStart(); - while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]); - stream.lineEnd(); -} + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$4(+_), initialize(), force) : strength; + }; -function streamPolygon(coordinates, stream) { - var i = -1, n = coordinates.length; - stream.polygonStart(); - while (++i < n) streamLine(coordinates[i], stream, 1); - stream.polygonEnd(); -} + force.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$4(+_), initialize(), force) : radius; + }; -function geoStream(object, stream) { - if (object && streamObjectType.hasOwnProperty(object.type)) { - streamObjectType[object.type](object, stream); - } else { - streamGeometry(object, stream); - } + force.x = function(_) { + return arguments.length ? (x = +_, force) : x; + }; + + force.y = function(_) { + return arguments.length ? (y = +_, force) : y; + }; + + return force; } -var areaRingSum = adder(); +function x$1(x) { + var strength = constant$4(0.1), + nodes, + strengths, + xz; -var areaSum = adder(), - lambda00, - phi00, - lambda0, - cosPhi0, - sinPhi0; + if (typeof x !== "function") x = constant$4(x == null ? 0 : +x); -var areaStream = { - point: noop$2, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: function() { - areaRingSum.reset(); - areaStream.lineStart = areaRingStart; - areaStream.lineEnd = areaRingEnd; - }, - polygonEnd: function() { - var areaRing = +areaRingSum; - areaSum.add(areaRing < 0 ? tau$3 + areaRing : areaRing); - this.lineStart = this.lineEnd = this.point = noop$2; - }, - sphere: function() { - areaSum.add(tau$3); + function force(alpha) { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha; + } } -}; - -function areaRingStart() { - areaStream.point = areaPointFirst; -} -function areaRingEnd() { - areaPoint(lambda00, phi00); -} + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + xz = new Array(n); + for (i = 0; i < n; ++i) { + strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + } + } -function areaPointFirst(lambda, phi) { - areaStream.point = areaPoint; - lambda00 = lambda, phi00 = phi; - lambda *= radians, phi *= radians; - lambda0 = lambda, cosPhi0 = cos$1(phi = phi / 2 + quarterPi), sinPhi0 = sin$1(phi); -} + force.initialize = function(_) { + nodes = _; + initialize(); + }; -function areaPoint(lambda, phi) { - lambda *= radians, phi *= radians; - phi = phi / 2 + quarterPi; // half the angular distance from south pole + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$4(+_), initialize(), force) : strength; + }; - // Spherical excess E for a spherical triangle with vertices: south pole, - // previous point, current point. Uses a formula derived from Cagnoli’s - // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2). - var dLambda = lambda - lambda0, - sdLambda = dLambda >= 0 ? 1 : -1, - adLambda = sdLambda * dLambda, - cosPhi = cos$1(phi), - sinPhi = sin$1(phi), - k = sinPhi0 * sinPhi, - u = cosPhi0 * cosPhi + k * cos$1(adLambda), - v = k * sdLambda * sin$1(adLambda); - areaRingSum.add(atan2(v, u)); + force.x = function(_) { + return arguments.length ? (x = typeof _ === "function" ? _ : constant$4(+_), initialize(), force) : x; + }; - // Advance the previous points. - lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; + return force; } -function area$1(object) { - areaSum.reset(); - geoStream(object, areaStream); - return areaSum * 2; -} +function y$1(y) { + var strength = constant$4(0.1), + nodes, + strengths, + yz; -function spherical(cartesian) { - return [atan2(cartesian[1], cartesian[0]), asin(cartesian[2])]; -} + if (typeof y !== "function") y = constant$4(y == null ? 0 : +y); -function cartesian(spherical) { - var lambda = spherical[0], phi = spherical[1], cosPhi = cos$1(phi); - return [cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)]; -} + function force(alpha) { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha; + } + } -function cartesianDot(a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; -} + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + yz = new Array(n); + for (i = 0; i < n; ++i) { + strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + } + } -function cartesianCross(a, b) { - return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]]; -} + force.initialize = function(_) { + nodes = _; + initialize(); + }; -// TODO return a -function cartesianAddInPlace(a, b) { - a[0] += b[0], a[1] += b[1], a[2] += b[2]; -} + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$4(+_), initialize(), force) : strength; + }; -function cartesianScale(vector, k) { - return [vector[0] * k, vector[1] * k, vector[2] * k]; -} + force.y = function(_) { + return arguments.length ? (y = typeof _ === "function" ? _ : constant$4(+_), initialize(), force) : y; + }; -// TODO return d -function cartesianNormalizeInPlace(d) { - var l = sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); - d[0] /= l, d[1] /= l, d[2] /= l; + return force; } -var lambda0$1, phi0, lambda1, phi1, // bounds - lambda2, // previous lambda-coordinate - lambda00$1, phi00$1, // first point - p0, // previous 3D point - deltaSum = adder(), - ranges, - range; - -var boundsStream = { - point: boundsPoint, - lineStart: boundsLineStart, - lineEnd: boundsLineEnd, - polygonStart: function() { - boundsStream.point = boundsRingPoint; - boundsStream.lineStart = boundsRingStart; - boundsStream.lineEnd = boundsRingEnd; - deltaSum.reset(); - areaStream.polygonStart(); - }, - polygonEnd: function() { - areaStream.polygonEnd(); - boundsStream.point = boundsPoint; - boundsStream.lineStart = boundsLineStart; - boundsStream.lineEnd = boundsLineEnd; - if (areaRingSum < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); - else if (deltaSum > epsilon$2) phi1 = 90; - else if (deltaSum < -epsilon$2) phi0 = -90; - range[0] = lambda0$1, range[1] = lambda1; - }, - sphere: function() { - lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); - } -}; - -function boundsPoint(lambda, phi) { - ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; +function formatDecimal(x) { + return Math.abs(x = Math.round(x)) >= 1e21 + ? x.toLocaleString("en").replace(/,/g, "") + : x.toString(10); } -function linePoint(lambda, phi) { - var p = cartesian([lambda * radians, phi * radians]); - if (p0) { - var normal = cartesianCross(p0, p), - equatorial = [normal[1], -normal[0], 0], - inflection = cartesianCross(equatorial, normal); - cartesianNormalizeInPlace(inflection); - inflection = spherical(inflection); - var delta = lambda - lambda2, - sign = delta > 0 ? 1 : -1, - lambdai = inflection[0] * degrees$1 * sign, - phii, - antimeridian = abs(delta) > 180; - if (antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { - phii = inflection[1] * degrees$1; - if (phii > phi1) phi1 = phii; - } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { - phii = -inflection[1] * degrees$1; - if (phii < phi0) phi0 = phii; - } else { - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; - } - if (antimeridian) { - if (lambda < lambda2) { - if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; - } else { - if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; - } - } else { - if (lambda1 >= lambda0$1) { - if (lambda < lambda0$1) lambda0$1 = lambda; - if (lambda > lambda1) lambda1 = lambda; - } else { - if (lambda > lambda2) { - if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; - } else { - if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; - } - } - } - } else { - ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); - } - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; - p0 = p, lambda2 = lambda; -} +// Computes the decimal coefficient and exponent of the specified number x with +// significant digits p, where x is positive and p is in [1, 21] or undefined. +// For example, formatDecimalParts(1.23) returns ["123", 0]. +function formatDecimalParts(x, p) { + if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity + var i, coefficient = x.slice(0, i); -function boundsLineStart() { - boundsStream.point = linePoint; + // The string returned by toExponential either has the form \d\.\d+e[-+]\d+ + // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3). + return [ + coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, + +x.slice(i + 1) + ]; } -function boundsLineEnd() { - range[0] = lambda0$1, range[1] = lambda1; - boundsStream.point = boundsPoint; - p0 = null; +function exponent(x) { + return x = formatDecimalParts(Math.abs(x)), x ? x[1] : NaN; } -function boundsRingPoint(lambda, phi) { - if (p0) { - var delta = lambda - lambda2; - deltaSum.add(abs(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta); - } else { - lambda00$1 = lambda, phi00$1 = phi; - } - areaStream.point(lambda, phi); - linePoint(lambda, phi); -} +function formatGroup(grouping, thousands) { + return function(value, width) { + var i = value.length, + t = [], + j = 0, + g = grouping[0], + length = 0; -function boundsRingStart() { - areaStream.lineStart(); -} + while (i > 0 && g > 0) { + if (length + g + 1 > width) g = Math.max(1, width - length); + t.push(value.substring(i -= g, i + g)); + if ((length += g + 1) > width) break; + g = grouping[j = (j + 1) % grouping.length]; + } -function boundsRingEnd() { - boundsRingPoint(lambda00$1, phi00$1); - areaStream.lineEnd(); - if (abs(deltaSum) > epsilon$2) lambda0$1 = -(lambda1 = 180); - range[0] = lambda0$1, range[1] = lambda1; - p0 = null; + return t.reverse().join(thousands); + }; } -// Finds the left-right distance between two longitudes. -// This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want -// the distance between ±180° to be 360°. -function angle(lambda0, lambda1) { - return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1; +function formatNumerals(numerals) { + return function(value) { + return value.replace(/[0-9]/g, function(i) { + return numerals[+i]; + }); + }; } -function rangeCompare(a, b) { - return a[0] - b[0]; -} +// [[fill]align][sign][symbol][0][width][,][.precision][~][type] +var re = /^(?:(.)?([<>=^]))?([+\-( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i; -function rangeContains(range, x) { - return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; +function formatSpecifier(specifier) { + if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); + var match; + return new FormatSpecifier({ + fill: match[1], + align: match[2], + sign: match[3], + symbol: match[4], + zero: match[5], + width: match[6], + comma: match[7], + precision: match[8] && match[8].slice(1), + trim: match[9], + type: match[10] + }); } -function bounds(feature) { - var i, n, a, b, merged, deltaMax, delta; +formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof - phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); - ranges = []; - geoStream(feature, boundsStream); +function FormatSpecifier(specifier) { + this.fill = specifier.fill === undefined ? " " : specifier.fill + ""; + this.align = specifier.align === undefined ? ">" : specifier.align + ""; + this.sign = specifier.sign === undefined ? "-" : specifier.sign + ""; + this.symbol = specifier.symbol === undefined ? "" : specifier.symbol + ""; + this.zero = !!specifier.zero; + this.width = specifier.width === undefined ? undefined : +specifier.width; + this.comma = !!specifier.comma; + this.precision = specifier.precision === undefined ? undefined : +specifier.precision; + this.trim = !!specifier.trim; + this.type = specifier.type === undefined ? "" : specifier.type + ""; +} - // First, sort ranges by their minimum longitudes. - if (n = ranges.length) { - ranges.sort(rangeCompare); - - // Then, merge any ranges that overlap. - for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) { - b = ranges[i]; - if (rangeContains(a, b[0]) || rangeContains(a, b[1])) { - if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; - if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; - } else { - merged.push(a = b); - } - } +FormatSpecifier.prototype.toString = function() { + return this.fill + + this.align + + this.sign + + this.symbol + + (this.zero ? "0" : "") + + (this.width === undefined ? "" : Math.max(1, this.width | 0)) + + (this.comma ? "," : "") + + (this.precision === undefined ? "" : "." + Math.max(0, this.precision | 0)) + + (this.trim ? "~" : "") + + this.type; +}; - // Finally, find the largest gap between the merged ranges. - // The final bounding box will be the inverse of this gap. - for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) { - b = merged[i]; - if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1]; +// Trims insignificant zeros, e.g., replaces 1.2000k with 1.2k. +function formatTrim(s) { + out: for (var n = s.length, i = 1, i0 = -1, i1; i < n; ++i) { + switch (s[i]) { + case ".": i0 = i1 = i; break; + case "0": if (i0 === 0) i0 = i; i1 = i; break; + default: if (!+s[i]) break out; if (i0 > 0) i0 = 0; break; } } + return i0 > 0 ? s.slice(0, i0) + s.slice(i1 + 1) : s; +} - ranges = range = null; +var prefixExponent; - return lambda0$1 === Infinity || phi0 === Infinity - ? [[NaN, NaN], [NaN, NaN]] - : [[lambda0$1, phi0], [lambda1, phi1]]; +function formatPrefixAuto(x, p) { + var d = formatDecimalParts(x, p); + if (!d) return x + ""; + var coefficient = d[0], + exponent = d[1], + i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, + n = coefficient.length; + return i === n ? coefficient + : i > n ? coefficient + new Array(i - n + 1).join("0") + : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) + : "0." + new Array(1 - i).join("0") + formatDecimalParts(x, Math.max(0, p + i - 1))[0]; // less than 1y! } -var W0, W1, - X0, Y0, Z0, - X1, Y1, Z1, - X2, Y2, Z2, - lambda00$2, phi00$2, // first point - x0, y0, z0; // previous point +function formatRounded(x, p) { + var d = formatDecimalParts(x, p); + if (!d) return x + ""; + var coefficient = d[0], + exponent = d[1]; + return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient + : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) + : coefficient + new Array(exponent - coefficient.length + 2).join("0"); +} -var centroidStream = { - sphere: noop$2, - point: centroidPoint, - lineStart: centroidLineStart, - lineEnd: centroidLineEnd, - polygonStart: function() { - centroidStream.lineStart = centroidRingStart; - centroidStream.lineEnd = centroidRingEnd; - }, - polygonEnd: function() { - centroidStream.lineStart = centroidLineStart; - centroidStream.lineEnd = centroidLineEnd; - } +var formatTypes = { + "%": (x, p) => (x * 100).toFixed(p), + "b": (x) => Math.round(x).toString(2), + "c": (x) => x + "", + "d": formatDecimal, + "e": (x, p) => x.toExponential(p), + "f": (x, p) => x.toFixed(p), + "g": (x, p) => x.toPrecision(p), + "o": (x) => Math.round(x).toString(8), + "p": (x, p) => formatRounded(x * 100, p), + "r": formatRounded, + "s": formatPrefixAuto, + "X": (x) => Math.round(x).toString(16).toUpperCase(), + "x": (x) => Math.round(x).toString(16) }; -// Arithmetic mean of Cartesian vectors. -function centroidPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi); - centroidPointCartesian(cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)); +function identity$6(x) { + return x; } -function centroidPointCartesian(x, y, z) { - ++W0; - X0 += (x - X0) / W0; - Y0 += (y - Y0) / W0; - Z0 += (z - Z0) / W0; -} +var map = Array.prototype.map, + prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; -function centroidLineStart() { - centroidStream.point = centroidLinePointFirst; -} +function formatLocale$1(locale) { + var group = locale.grouping === undefined || locale.thousands === undefined ? identity$6 : formatGroup(map.call(locale.grouping, Number), locale.thousands + ""), + currencyPrefix = locale.currency === undefined ? "" : locale.currency[0] + "", + currencySuffix = locale.currency === undefined ? "" : locale.currency[1] + "", + decimal = locale.decimal === undefined ? "." : locale.decimal + "", + numerals = locale.numerals === undefined ? identity$6 : formatNumerals(map.call(locale.numerals, String)), + percent = locale.percent === undefined ? "%" : locale.percent + "", + minus = locale.minus === undefined ? "\u2212" : locale.minus + "", + nan = locale.nan === undefined ? "NaN" : locale.nan + ""; -function centroidLinePointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi); - x0 = cosPhi * cos$1(lambda); - y0 = cosPhi * sin$1(lambda); - z0 = sin$1(phi); - centroidStream.point = centroidLinePoint; - centroidPointCartesian(x0, y0, z0); -} + function newFormat(specifier) { + specifier = formatSpecifier(specifier); -function centroidLinePoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi), - x = cosPhi * cos$1(lambda), - y = cosPhi * sin$1(lambda), - z = sin$1(phi), - w = atan2(sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); - W1 += w; - X1 += w * (x0 + (x0 = x)); - Y1 += w * (y0 + (y0 = y)); - Z1 += w * (z0 + (z0 = z)); - centroidPointCartesian(x0, y0, z0); -} + var fill = specifier.fill, + align = specifier.align, + sign = specifier.sign, + symbol = specifier.symbol, + zero = specifier.zero, + width = specifier.width, + comma = specifier.comma, + precision = specifier.precision, + trim = specifier.trim, + type = specifier.type; -function centroidLineEnd() { - centroidStream.point = centroidPoint; -} + // The "n" type is an alias for ",g". + if (type === "n") comma = true, type = "g"; -// See J. E. Brock, The Inertia Tensor for a Spherical Triangle, -// J. Applied Mechanics 42, 239 (1975). -function centroidRingStart() { - centroidStream.point = centroidRingPointFirst; -} + // The "" type, and any invalid type, is an alias for ".12~g". + else if (!formatTypes[type]) precision === undefined && (precision = 12), trim = true, type = "g"; -function centroidRingEnd() { - centroidRingPoint(lambda00$2, phi00$2); - centroidStream.point = centroidPoint; -} + // If zero fill is specified, padding goes after sign and before digits. + if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; -function centroidRingPointFirst(lambda, phi) { - lambda00$2 = lambda, phi00$2 = phi; - lambda *= radians, phi *= radians; - centroidStream.point = centroidRingPoint; - var cosPhi = cos$1(phi); - x0 = cosPhi * cos$1(lambda); - y0 = cosPhi * sin$1(lambda); - z0 = sin$1(phi); - centroidPointCartesian(x0, y0, z0); -} + // Compute the prefix and suffix. + // For SI-prefix, the suffix is lazily computed. + var prefix = symbol === "$" ? currencyPrefix : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", + suffix = symbol === "$" ? currencySuffix : /[%p]/.test(type) ? percent : ""; -function centroidRingPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi), - x = cosPhi * cos$1(lambda), - y = cosPhi * sin$1(lambda), - z = sin$1(phi), - cx = y0 * z - z0 * y, - cy = z0 * x - x0 * z, - cz = x0 * y - y0 * x, - m = sqrt(cx * cx + cy * cy + cz * cz), - w = asin(m), // line weight = angle - v = m && -w / m; // area weight multiplier - X2 += v * cx; - Y2 += v * cy; - Z2 += v * cz; - W1 += w; - X1 += w * (x0 + (x0 = x)); - Y1 += w * (y0 + (y0 = y)); - Z1 += w * (z0 + (z0 = z)); - centroidPointCartesian(x0, y0, z0); -} + // What format function should we use? + // Is this an integer type? + // Can this type generate exponential notation? + var formatType = formatTypes[type], + maybeSuffix = /[defgprs%]/.test(type); -function centroid(object) { - W0 = W1 = - X0 = Y0 = Z0 = - X1 = Y1 = Z1 = - X2 = Y2 = Z2 = 0; - geoStream(object, centroidStream); + // Set the default precision if not specified, + // or clamp the specified precision to the supported range. + // For significant precision, it must be in [1, 21]. + // For fixed precision, it must be in [0, 20]. + precision = precision === undefined ? 6 + : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) + : Math.max(0, Math.min(20, precision)); - var x = X2, - y = Y2, - z = Z2, - m = x * x + y * y + z * z; + function format(value) { + var valuePrefix = prefix, + valueSuffix = suffix, + i, n, c; - // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid. - if (m < epsilon2$1) { - x = X1, y = Y1, z = Z1; - // If the feature has zero length, fall back to arithmetic mean of point vectors. - if (W1 < epsilon$2) x = X0, y = Y0, z = Z0; - m = x * x + y * y + z * z; - // If the feature still has an undefined ccentroid, then return. - if (m < epsilon2$1) return [NaN, NaN]; - } + if (type === "c") { + valueSuffix = formatType(value) + valueSuffix; + value = ""; + } else { + value = +value; - return [atan2(y, x) * degrees$1, asin(z / sqrt(m)) * degrees$1]; -} + // Determine the sign. -0 is not less than 0, but 1 / -0 is! + var valueNegative = value < 0 || 1 / value < 0; -function constant$8(x) { - return function() { - return x; - }; -} + // Perform the initial formatting. + value = isNaN(value) ? nan : formatType(Math.abs(value), precision); -function compose(a, b) { + // Trim insignificant zeros. + if (trim) value = formatTrim(value); - function compose(x, y) { - return x = a(x, y), b(x[0], x[1]); - } + // If a negative value rounds to zero after formatting, and no explicit positive sign is requested, hide the sign. + if (valueNegative && +value === 0 && sign !== "+") valueNegative = false; - if (a.invert && b.invert) compose.invert = function(x, y) { - return x = b.invert(x, y), x && a.invert(x[0], x[1]); - }; + // Compute the prefix and suffix. + valuePrefix = (valueNegative ? (sign === "(" ? sign : minus) : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; + valueSuffix = (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + valueSuffix + (valueNegative && sign === "(" ? ")" : ""); - return compose; -} + // Break the formatted value into the integer “value” part that can be + // grouped, and fractional or exponential “suffix” part that is not. + if (maybeSuffix) { + i = -1, n = value.length; + while (++i < n) { + if (c = value.charCodeAt(i), 48 > c || c > 57) { + valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix; + value = value.slice(0, i); + break; + } + } + } + } -function rotationIdentity(lambda, phi) { - return [abs(lambda) > pi$3 ? lambda + Math.round(-lambda / tau$3) * tau$3 : lambda, phi]; -} + // If the fill character is not "0", grouping is applied before padding. + if (comma && !zero) value = group(value, Infinity); -rotationIdentity.invert = rotationIdentity; + // Compute the padding. + var length = valuePrefix.length + value.length + valueSuffix.length, + padding = length < width ? new Array(width - length + 1).join(fill) : ""; -function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { - return (deltaLambda %= tau$3) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) - : rotationLambda(deltaLambda)) - : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) - : rotationIdentity); -} + // If the fill character is "0", grouping is applied after padding. + if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; -function forwardRotationLambda(deltaLambda) { - return function(lambda, phi) { - return lambda += deltaLambda, [lambda > pi$3 ? lambda - tau$3 : lambda < -pi$3 ? lambda + tau$3 : lambda, phi]; - }; -} + // Reconstruct the final output based on the desired alignment. + switch (align) { + case "<": value = valuePrefix + value + valueSuffix + padding; break; + case "=": value = valuePrefix + padding + value + valueSuffix; break; + case "^": value = padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); break; + default: value = padding + valuePrefix + value + valueSuffix; break; + } -function rotationLambda(deltaLambda) { - var rotation = forwardRotationLambda(deltaLambda); - rotation.invert = forwardRotationLambda(-deltaLambda); - return rotation; -} + return numerals(value); + } -function rotationPhiGamma(deltaPhi, deltaGamma) { - var cosDeltaPhi = cos$1(deltaPhi), - sinDeltaPhi = sin$1(deltaPhi), - cosDeltaGamma = cos$1(deltaGamma), - sinDeltaGamma = sin$1(deltaGamma); + format.toString = function() { + return specifier + ""; + }; - function rotation(lambda, phi) { - var cosPhi = cos$1(phi), - x = cos$1(lambda) * cosPhi, - y = sin$1(lambda) * cosPhi, - z = sin$1(phi), - k = z * cosDeltaPhi + x * sinDeltaPhi; - return [ - atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi), - asin(k * cosDeltaGamma + y * sinDeltaGamma) - ]; + return format; } - rotation.invert = function(lambda, phi) { - var cosPhi = cos$1(phi), - x = cos$1(lambda) * cosPhi, - y = sin$1(lambda) * cosPhi, - z = sin$1(phi), - k = z * cosDeltaGamma - y * sinDeltaGamma; - return [ - atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi), - asin(k * cosDeltaPhi - x * sinDeltaPhi) - ]; - }; + function formatPrefix(specifier, value) { + var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), + e = Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3, + k = Math.pow(10, -e), + prefix = prefixes[8 + e / 3]; + return function(value) { + return f(k * value) + prefix; + }; + } - return rotation; + return { + format: newFormat, + formatPrefix: formatPrefix + }; } -function rotation(rotate) { - rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); - - function forward(coordinates) { - coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians); - return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; - } +var locale$1; +exports.format = void 0; +exports.formatPrefix = void 0; - forward.invert = function(coordinates) { - coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians); - return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; - }; +defaultLocale$1({ + thousands: ",", + grouping: [3], + currency: ["$", ""] +}); - return forward; +function defaultLocale$1(definition) { + locale$1 = formatLocale$1(definition); + exports.format = locale$1.format; + exports.formatPrefix = locale$1.formatPrefix; + return locale$1; } -// Generates a circle centered at [0°, 0°], with a given radius and precision. -function circleStream(stream, radius, delta, direction, t0, t1) { - if (!delta) return; - var cosRadius = cos$1(radius), - sinRadius = sin$1(radius), - step = direction * delta; - if (t0 == null) { - t0 = radius + direction * tau$3; - t1 = radius - step / 2; - } else { - t0 = circleRadius(cosRadius, t0); - t1 = circleRadius(cosRadius, t1); - if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$3; - } - for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) { - point = spherical([cosRadius, -sinRadius * cos$1(t), -sinRadius * sin$1(t)]); - stream.point(point[0], point[1]); - } +function precisionFixed(step) { + return Math.max(0, -exponent(Math.abs(step))); } -// Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0]. -function circleRadius(cosRadius, point) { - point = cartesian(point), point[0] -= cosRadius; - cartesianNormalizeInPlace(point); - var radius = acos(-point[1]); - return ((-point[2] < 0 ? -radius : radius) + tau$3 - epsilon$2) % tau$3; +function precisionPrefix(step, value) { + return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3 - exponent(Math.abs(step))); } -function circle() { - var center = constant$8([0, 0]), - radius = constant$8(90), - precision = constant$8(6), - ring, - rotate, - stream = {point: point}; - - function point(x, y) { - ring.push(x = rotate(x, y)); - x[0] *= degrees$1, x[1] *= degrees$1; - } - - function circle() { - var c = center.apply(this, arguments), - r = radius.apply(this, arguments) * radians, - p = precision.apply(this, arguments) * radians; - ring = []; - rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert; - circleStream(stream, r, p, 1); - c = {type: "Polygon", coordinates: [ring]}; - ring = rotate = null; - return c; - } +function precisionRound(step, max) { + step = Math.abs(step), max = Math.abs(max) - step; + return Math.max(0, exponent(max) - exponent(step)) + 1; +} - circle.center = function(_) { - return arguments.length ? (center = typeof _ === "function" ? _ : constant$8([+_[0], +_[1]]), circle) : center; - }; +var epsilon$1 = 1e-6; +var epsilon2 = 1e-12; +var pi$1 = Math.PI; +var halfPi$1 = pi$1 / 2; +var quarterPi = pi$1 / 4; +var tau$1 = pi$1 * 2; - circle.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$8(+_), circle) : radius; - }; +var degrees = 180 / pi$1; +var radians = pi$1 / 180; - circle.precision = function(_) { - return arguments.length ? (precision = typeof _ === "function" ? _ : constant$8(+_), circle) : precision; - }; +var abs$1 = Math.abs; +var atan = Math.atan; +var atan2$1 = Math.atan2; +var cos$1 = Math.cos; +var ceil = Math.ceil; +var exp = Math.exp; +var hypot = Math.hypot; +var log$1 = Math.log; +var pow$1 = Math.pow; +var sin$1 = Math.sin; +var sign$1 = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; }; +var sqrt$2 = Math.sqrt; +var tan = Math.tan; - return circle; +function acos$1(x) { + return x > 1 ? 0 : x < -1 ? pi$1 : Math.acos(x); } -function clipBuffer() { - var lines = [], - line; - return { - point: function(x, y) { - line.push([x, y]); - }, - lineStart: function() { - lines.push(line = []); - }, - lineEnd: noop$2, - rejoin: function() { - if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); - }, - result: function() { - var result = lines; - lines = []; - line = null; - return result; - } - }; +function asin$1(x) { + return x > 1 ? halfPi$1 : x < -1 ? -halfPi$1 : Math.asin(x); } -function pointEqual(a, b) { - return abs(a[0] - b[0]) < epsilon$2 && abs(a[1] - b[1]) < epsilon$2; +function haversin(x) { + return (x = sin$1(x / 2)) * x; } -function Intersection(point, points, other, entry) { - this.x = point; - this.z = points; - this.o = other; // another intersection - this.e = entry; // is an entry? - this.v = false; // visited - this.n = this.p = null; // next & previous +function noop$1() {} + +function streamGeometry(geometry, stream) { + if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { + streamGeometryType[geometry.type](geometry, stream); + } } -// A generalized polygon clipping algorithm: given a polygon that has been cut -// into its visible line segments, and rejoins the segments by interpolating -// along the clip edge. -function clipRejoin(segments, compareIntersection, startInside, interpolate, stream) { - var subject = [], - clip = [], - i, - n; +var streamObjectType = { + Feature: function(object, stream) { + streamGeometry(object.geometry, stream); + }, + FeatureCollection: function(object, stream) { + var features = object.features, i = -1, n = features.length; + while (++i < n) streamGeometry(features[i].geometry, stream); + } +}; - segments.forEach(function(segment) { - if ((n = segment.length - 1) <= 0) return; - var n, p0 = segment[0], p1 = segment[n], x; +var streamGeometryType = { + Sphere: function(object, stream) { + stream.sphere(); + }, + Point: function(object, stream) { + object = object.coordinates; + stream.point(object[0], object[1], object[2]); + }, + MultiPoint: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]); + }, + LineString: function(object, stream) { + streamLine(object.coordinates, stream, 0); + }, + MultiLineString: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) streamLine(coordinates[i], stream, 0); + }, + Polygon: function(object, stream) { + streamPolygon(object.coordinates, stream); + }, + MultiPolygon: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) streamPolygon(coordinates[i], stream); + }, + GeometryCollection: function(object, stream) { + var geometries = object.geometries, i = -1, n = geometries.length; + while (++i < n) streamGeometry(geometries[i], stream); + } +}; - // If the first and last points of a segment are coincident, then treat as a - // closed ring. TODO if all rings are closed, then the winding order of the - // exterior ring should be checked. - if (pointEqual(p0, p1)) { - stream.lineStart(); - for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]); - stream.lineEnd(); - return; - } +function streamLine(coordinates, stream, closed) { + var i = -1, n = coordinates.length - closed, coordinate; + stream.lineStart(); + while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]); + stream.lineEnd(); +} - subject.push(x = new Intersection(p0, segment, null, true)); - clip.push(x.o = new Intersection(p0, null, x, false)); - subject.push(x = new Intersection(p1, segment, null, false)); - clip.push(x.o = new Intersection(p1, null, x, true)); - }); +function streamPolygon(coordinates, stream) { + var i = -1, n = coordinates.length; + stream.polygonStart(); + while (++i < n) streamLine(coordinates[i], stream, 1); + stream.polygonEnd(); +} - if (!subject.length) return; +function geoStream(object, stream) { + if (object && streamObjectType.hasOwnProperty(object.type)) { + streamObjectType[object.type](object, stream); + } else { + streamGeometry(object, stream); + } +} - clip.sort(compareIntersection); - link$1(subject); - link$1(clip); +var areaRingSum$1 = new Adder(); - for (i = 0, n = clip.length; i < n; ++i) { - clip[i].e = startInside = !startInside; +// hello? + +var areaSum$1 = new Adder(), + lambda00$2, + phi00$2, + lambda0$2, + cosPhi0$1, + sinPhi0$1; + +var areaStream$1 = { + point: noop$1, + lineStart: noop$1, + lineEnd: noop$1, + polygonStart: function() { + areaRingSum$1 = new Adder(); + areaStream$1.lineStart = areaRingStart$1; + areaStream$1.lineEnd = areaRingEnd$1; + }, + polygonEnd: function() { + var areaRing = +areaRingSum$1; + areaSum$1.add(areaRing < 0 ? tau$1 + areaRing : areaRing); + this.lineStart = this.lineEnd = this.point = noop$1; + }, + sphere: function() { + areaSum$1.add(tau$1); } +}; - var start = subject[0], - points, - point; +function areaRingStart$1() { + areaStream$1.point = areaPointFirst$1; +} - while (1) { - // Find first unvisited intersection. - var current = start, - isSubject = true; - while (current.v) if ((current = current.n) === start) return; - points = current.z; - stream.lineStart(); - do { - current.v = current.o.v = true; - if (current.e) { - if (isSubject) { - for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.n.x, 1, stream); - } - current = current.n; +function areaRingEnd$1() { + areaPoint$1(lambda00$2, phi00$2); +} + +function areaPointFirst$1(lambda, phi) { + areaStream$1.point = areaPoint$1; + lambda00$2 = lambda, phi00$2 = phi; + lambda *= radians, phi *= radians; + lambda0$2 = lambda, cosPhi0$1 = cos$1(phi = phi / 2 + quarterPi), sinPhi0$1 = sin$1(phi); +} + +function areaPoint$1(lambda, phi) { + lambda *= radians, phi *= radians; + phi = phi / 2 + quarterPi; // half the angular distance from south pole + + // Spherical excess E for a spherical triangle with vertices: south pole, + // previous point, current point. Uses a formula derived from Cagnoli’s + // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2). + var dLambda = lambda - lambda0$2, + sdLambda = dLambda >= 0 ? 1 : -1, + adLambda = sdLambda * dLambda, + cosPhi = cos$1(phi), + sinPhi = sin$1(phi), + k = sinPhi0$1 * sinPhi, + u = cosPhi0$1 * cosPhi + k * cos$1(adLambda), + v = k * sdLambda * sin$1(adLambda); + areaRingSum$1.add(atan2$1(v, u)); + + // Advance the previous points. + lambda0$2 = lambda, cosPhi0$1 = cosPhi, sinPhi0$1 = sinPhi; +} + +function area$2(object) { + areaSum$1 = new Adder(); + geoStream(object, areaStream$1); + return areaSum$1 * 2; +} + +function spherical(cartesian) { + return [atan2$1(cartesian[1], cartesian[0]), asin$1(cartesian[2])]; +} + +function cartesian(spherical) { + var lambda = spherical[0], phi = spherical[1], cosPhi = cos$1(phi); + return [cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)]; +} + +function cartesianDot(a, b) { + return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; +} + +function cartesianCross(a, b) { + return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]]; +} + +// TODO return a +function cartesianAddInPlace(a, b) { + a[0] += b[0], a[1] += b[1], a[2] += b[2]; +} + +function cartesianScale(vector, k) { + return [vector[0] * k, vector[1] * k, vector[2] * k]; +} + +// TODO return d +function cartesianNormalizeInPlace(d) { + var l = sqrt$2(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); + d[0] /= l, d[1] /= l, d[2] /= l; +} + +var lambda0$1, phi0, lambda1, phi1, // bounds + lambda2, // previous lambda-coordinate + lambda00$1, phi00$1, // first point + p0, // previous 3D point + deltaSum, + ranges, + range; + +var boundsStream$1 = { + point: boundsPoint$1, + lineStart: boundsLineStart, + lineEnd: boundsLineEnd, + polygonStart: function() { + boundsStream$1.point = boundsRingPoint; + boundsStream$1.lineStart = boundsRingStart; + boundsStream$1.lineEnd = boundsRingEnd; + deltaSum = new Adder(); + areaStream$1.polygonStart(); + }, + polygonEnd: function() { + areaStream$1.polygonEnd(); + boundsStream$1.point = boundsPoint$1; + boundsStream$1.lineStart = boundsLineStart; + boundsStream$1.lineEnd = boundsLineEnd; + if (areaRingSum$1 < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); + else if (deltaSum > epsilon$1) phi1 = 90; + else if (deltaSum < -epsilon$1) phi0 = -90; + range[0] = lambda0$1, range[1] = lambda1; + }, + sphere: function() { + lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); + } +}; + +function boundsPoint$1(lambda, phi) { + ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; +} + +function linePoint(lambda, phi) { + var p = cartesian([lambda * radians, phi * radians]); + if (p0) { + var normal = cartesianCross(p0, p), + equatorial = [normal[1], -normal[0], 0], + inflection = cartesianCross(equatorial, normal); + cartesianNormalizeInPlace(inflection); + inflection = spherical(inflection); + var delta = lambda - lambda2, + sign = delta > 0 ? 1 : -1, + lambdai = inflection[0] * degrees * sign, + phii, + antimeridian = abs$1(delta) > 180; + if (antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { + phii = inflection[1] * degrees; + if (phii > phi1) phi1 = phii; + } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { + phii = -inflection[1] * degrees; + if (phii < phi0) phi0 = phii; + } else { + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; + } + if (antimeridian) { + if (lambda < lambda2) { + if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; } else { - if (isSubject) { - points = current.p.z; - for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]); + if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; + } + } else { + if (lambda1 >= lambda0$1) { + if (lambda < lambda0$1) lambda0$1 = lambda; + if (lambda > lambda1) lambda1 = lambda; + } else { + if (lambda > lambda2) { + if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; } else { - interpolate(current.x, current.p.x, -1, stream); + if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; } - current = current.p; } - current = current.o; - points = current.z; - isSubject = !isSubject; - } while (!current.v); - stream.lineEnd(); + } + } else { + ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); } + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; + p0 = p, lambda2 = lambda; } -function link$1(array) { - if (!(n = array.length)) return; - var n, - i = 0, - a = array[0], - b; - while (++i < n) { - a.n = b = array[i]; - b.p = a; - a = b; +function boundsLineStart() { + boundsStream$1.point = linePoint; +} + +function boundsLineEnd() { + range[0] = lambda0$1, range[1] = lambda1; + boundsStream$1.point = boundsPoint$1; + p0 = null; +} + +function boundsRingPoint(lambda, phi) { + if (p0) { + var delta = lambda - lambda2; + deltaSum.add(abs$1(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta); + } else { + lambda00$1 = lambda, phi00$1 = phi; } - a.n = b = array[0]; - b.p = a; + areaStream$1.point(lambda, phi); + linePoint(lambda, phi); } -var sum$1 = adder(); +function boundsRingStart() { + areaStream$1.lineStart(); +} -function longitude(point) { - if (abs(point[0]) <= pi$3) - return point[0]; - else - return sign(point[0]) * ((abs(point[0]) + pi$3) % tau$3 - pi$3); +function boundsRingEnd() { + boundsRingPoint(lambda00$1, phi00$1); + areaStream$1.lineEnd(); + if (abs$1(deltaSum) > epsilon$1) lambda0$1 = -(lambda1 = 180); + range[0] = lambda0$1, range[1] = lambda1; + p0 = null; } -function polygonContains(polygon, point) { - var lambda = longitude(point), - phi = point[1], - sinPhi = sin$1(phi), - normal = [sin$1(lambda), -cos$1(lambda), 0], - angle = 0, - winding = 0; +// Finds the left-right distance between two longitudes. +// This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want +// the distance between ±180° to be 360°. +function angle(lambda0, lambda1) { + return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1; +} - sum$1.reset(); +function rangeCompare(a, b) { + return a[0] - b[0]; +} - if (sinPhi === 1) phi = halfPi$2 + epsilon$2; - else if (sinPhi === -1) phi = -halfPi$2 - epsilon$2; +function rangeContains(range, x) { + return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; +} - for (var i = 0, n = polygon.length; i < n; ++i) { - if (!(m = (ring = polygon[i]).length)) continue; - var ring, - m, - point0 = ring[m - 1], - lambda0 = longitude(point0), - phi0 = point0[1] / 2 + quarterPi, - sinPhi0 = sin$1(phi0), - cosPhi0 = cos$1(phi0); +function bounds(feature) { + var i, n, a, b, merged, deltaMax, delta; - for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { - var point1 = ring[j], - lambda1 = longitude(point1), - phi1 = point1[1] / 2 + quarterPi, - sinPhi1 = sin$1(phi1), - cosPhi1 = cos$1(phi1), - delta = lambda1 - lambda0, - sign = delta >= 0 ? 1 : -1, - absDelta = sign * delta, - antimeridian = absDelta > pi$3, - k = sinPhi0 * sinPhi1; + phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); + ranges = []; + geoStream(feature, boundsStream$1); - sum$1.add(atan2(k * sign * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); - angle += antimeridian ? delta + sign * tau$3 : delta; + // First, sort ranges by their minimum longitudes. + if (n = ranges.length) { + ranges.sort(rangeCompare); - // Are the longitudes either side of the point’s meridian (lambda), - // and are the latitudes smaller than the parallel (phi)? - if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) { - var arc = cartesianCross(cartesian(point0), cartesian(point1)); - cartesianNormalizeInPlace(arc); - var intersection = cartesianCross(normal, arc); - cartesianNormalizeInPlace(intersection); - var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin(intersection[2]); - if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) { - winding += antimeridian ^ delta >= 0 ? 1 : -1; - } + // Then, merge any ranges that overlap. + for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) { + b = ranges[i]; + if (rangeContains(a, b[0]) || rangeContains(a, b[1])) { + if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; + if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; + } else { + merged.push(a = b); } } + + // Finally, find the largest gap between the merged ranges. + // The final bounding box will be the inverse of this gap. + for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) { + b = merged[i]; + if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1]; + } } - // First, determine whether the South pole is inside or outside: - // - // It is inside if: - // * the polygon winds around it in a clockwise direction. - // * the polygon does not (cumulatively) wind around it, but has a negative - // (counter-clockwise) area. - // - // Second, count the (signed) number of times a segment crosses a lambda - // from the point to the South pole. If it is zero, then the point is the - // same side as the South pole. + ranges = range = null; - return (angle < -epsilon$2 || angle < epsilon$2 && sum$1 < -epsilon$2) ^ (winding & 1); + return lambda0$1 === Infinity || phi0 === Infinity + ? [[NaN, NaN], [NaN, NaN]] + : [[lambda0$1, phi0], [lambda1, phi1]]; } -function clip(pointVisible, clipLine, interpolate, start) { - return function(sink) { - var line = clipLine(sink), - ringBuffer = clipBuffer(), - ringSink = clipLine(ringBuffer), - polygonStarted = false, - polygon, - segments, - ring; +var W0, W1, + X0$1, Y0$1, Z0$1, + X1$1, Y1$1, Z1$1, + X2$1, Y2$1, Z2$1, + lambda00, phi00, // first point + x0$4, y0$4, z0; // previous point - var clip = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - clip.point = pointRing; - clip.lineStart = ringStart; - clip.lineEnd = ringEnd; - segments = []; - polygon = []; - }, - polygonEnd: function() { - clip.point = point; - clip.lineStart = lineStart; - clip.lineEnd = lineEnd; - segments = merge(segments); - var startInside = polygonContains(polygon, start); - if (segments.length) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - clipRejoin(segments, compareIntersection, startInside, interpolate, sink); - } else if (startInside) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - } - if (polygonStarted) sink.polygonEnd(), polygonStarted = false; - segments = polygon = null; - }, - sphere: function() { - sink.polygonStart(); - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - sink.polygonEnd(); - } - }; +var centroidStream$1 = { + sphere: noop$1, + point: centroidPoint$1, + lineStart: centroidLineStart$1, + lineEnd: centroidLineEnd$1, + polygonStart: function() { + centroidStream$1.lineStart = centroidRingStart$1; + centroidStream$1.lineEnd = centroidRingEnd$1; + }, + polygonEnd: function() { + centroidStream$1.lineStart = centroidLineStart$1; + centroidStream$1.lineEnd = centroidLineEnd$1; + } +}; - function point(lambda, phi) { - if (pointVisible(lambda, phi)) sink.point(lambda, phi); - } +// Arithmetic mean of Cartesian vectors. +function centroidPoint$1(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi); + centroidPointCartesian(cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)); +} - function pointLine(lambda, phi) { - line.point(lambda, phi); - } +function centroidPointCartesian(x, y, z) { + ++W0; + X0$1 += (x - X0$1) / W0; + Y0$1 += (y - Y0$1) / W0; + Z0$1 += (z - Z0$1) / W0; +} - function lineStart() { - clip.point = pointLine; - line.lineStart(); - } +function centroidLineStart$1() { + centroidStream$1.point = centroidLinePointFirst; +} - function lineEnd() { - clip.point = point; - line.lineEnd(); - } +function centroidLinePointFirst(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi); + x0$4 = cosPhi * cos$1(lambda); + y0$4 = cosPhi * sin$1(lambda); + z0 = sin$1(phi); + centroidStream$1.point = centroidLinePoint; + centroidPointCartesian(x0$4, y0$4, z0); +} - function pointRing(lambda, phi) { - ring.push([lambda, phi]); - ringSink.point(lambda, phi); - } +function centroidLinePoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi), + x = cosPhi * cos$1(lambda), + y = cosPhi * sin$1(lambda), + z = sin$1(phi), + w = atan2$1(sqrt$2((w = y0$4 * z - z0 * y) * w + (w = z0 * x - x0$4 * z) * w + (w = x0$4 * y - y0$4 * x) * w), x0$4 * x + y0$4 * y + z0 * z); + W1 += w; + X1$1 += w * (x0$4 + (x0$4 = x)); + Y1$1 += w * (y0$4 + (y0$4 = y)); + Z1$1 += w * (z0 + (z0 = z)); + centroidPointCartesian(x0$4, y0$4, z0); +} - function ringStart() { - ringSink.lineStart(); - ring = []; - } +function centroidLineEnd$1() { + centroidStream$1.point = centroidPoint$1; +} - function ringEnd() { - pointRing(ring[0][0], ring[0][1]); - ringSink.lineEnd(); +// See J. E. Brock, The Inertia Tensor for a Spherical Triangle, +// J. Applied Mechanics 42, 239 (1975). +function centroidRingStart$1() { + centroidStream$1.point = centroidRingPointFirst; +} - var clean = ringSink.clean(), - ringSegments = ringBuffer.result(), - i, n = ringSegments.length, m, - segment, - point; +function centroidRingEnd$1() { + centroidRingPoint(lambda00, phi00); + centroidStream$1.point = centroidPoint$1; +} - ring.pop(); - polygon.push(ring); - ring = null; +function centroidRingPointFirst(lambda, phi) { + lambda00 = lambda, phi00 = phi; + lambda *= radians, phi *= radians; + centroidStream$1.point = centroidRingPoint; + var cosPhi = cos$1(phi); + x0$4 = cosPhi * cos$1(lambda); + y0$4 = cosPhi * sin$1(lambda); + z0 = sin$1(phi); + centroidPointCartesian(x0$4, y0$4, z0); +} - if (!n) return; +function centroidRingPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi), + x = cosPhi * cos$1(lambda), + y = cosPhi * sin$1(lambda), + z = sin$1(phi), + cx = y0$4 * z - z0 * y, + cy = z0 * x - x0$4 * z, + cz = x0$4 * y - y0$4 * x, + m = hypot(cx, cy, cz), + w = asin$1(m), // line weight = angle + v = m && -w / m; // area weight multiplier + X2$1.add(v * cx); + Y2$1.add(v * cy); + Z2$1.add(v * cz); + W1 += w; + X1$1 += w * (x0$4 + (x0$4 = x)); + Y1$1 += w * (y0$4 + (y0$4 = y)); + Z1$1 += w * (z0 + (z0 = z)); + centroidPointCartesian(x0$4, y0$4, z0); +} - // No intersections. - if (clean & 1) { - segment = ringSegments[0]; - if ((m = segment.length - 1) > 0) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); - sink.lineEnd(); - } - return; - } +function centroid$1(object) { + W0 = W1 = + X0$1 = Y0$1 = Z0$1 = + X1$1 = Y1$1 = Z1$1 = 0; + X2$1 = new Adder(); + Y2$1 = new Adder(); + Z2$1 = new Adder(); + geoStream(object, centroidStream$1); + + var x = +X2$1, + y = +Y2$1, + z = +Z2$1, + m = hypot(x, y, z); - // Rejoin connected segments. - // TODO reuse ringBuffer.rejoin()? - if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); + // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid. + if (m < epsilon2) { + x = X1$1, y = Y1$1, z = Z1$1; + // If the feature has zero length, fall back to arithmetic mean of point vectors. + if (W1 < epsilon$1) x = X0$1, y = Y0$1, z = Z0$1; + m = hypot(x, y, z); + // If the feature still has an undefined ccentroid, then return. + if (m < epsilon2) return [NaN, NaN]; + } - segments.push(ringSegments.filter(validSegment)); - } + return [atan2$1(y, x) * degrees, asin$1(z / m) * degrees]; +} - return clip; +function constant$3(x) { + return function() { + return x; }; } -function validSegment(segment) { - return segment.length > 1; +function compose(a, b) { + + function compose(x, y) { + return x = a(x, y), b(x[0], x[1]); + } + + if (a.invert && b.invert) compose.invert = function(x, y) { + return x = b.invert(x, y), x && a.invert(x[0], x[1]); + }; + + return compose; } -// Intersections are sorted along the clip edge. For both antimeridian cutting -// and circle clipping, the same comparison is used. -function compareIntersection(a, b) { - return ((a = a.x)[0] < 0 ? a[1] - halfPi$2 - epsilon$2 : halfPi$2 - a[1]) - - ((b = b.x)[0] < 0 ? b[1] - halfPi$2 - epsilon$2 : halfPi$2 - b[1]); +function rotationIdentity(lambda, phi) { + return [abs$1(lambda) > pi$1 ? lambda + Math.round(-lambda / tau$1) * tau$1 : lambda, phi]; } -var clipAntimeridian = clip( - function() { return true; }, - clipAntimeridianLine, - clipAntimeridianInterpolate, - [-pi$3, -halfPi$2] -); +rotationIdentity.invert = rotationIdentity; -// Takes a line and cuts into visible segments. Return values: 0 - there were -// intersections or the line was empty; 1 - no intersections; 2 - there were -// intersections, and the first and last segments should be rejoined. -function clipAntimeridianLine(stream) { - var lambda0 = NaN, - phi0 = NaN, - sign0 = NaN, - clean; // no intersections +function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { + return (deltaLambda %= tau$1) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) + : rotationLambda(deltaLambda)) + : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) + : rotationIdentity); +} - return { - lineStart: function() { - stream.lineStart(); - clean = 1; - }, - point: function(lambda1, phi1) { - var sign1 = lambda1 > 0 ? pi$3 : -pi$3, - delta = abs(lambda1 - lambda0); - if (abs(delta - pi$3) < epsilon$2) { // line crosses a pole - stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$2 : -halfPi$2); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - stream.point(lambda1, phi0); - clean = 0; - } else if (sign0 !== sign1 && delta >= pi$3) { // line crosses antimeridian - if (abs(lambda0 - sign0) < epsilon$2) lambda0 -= sign0 * epsilon$2; // handle degeneracies - if (abs(lambda1 - sign1) < epsilon$2) lambda1 -= sign1 * epsilon$2; - phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - clean = 0; - } - stream.point(lambda0 = lambda1, phi0 = phi1); - sign0 = sign1; - }, - lineEnd: function() { - stream.lineEnd(); - lambda0 = phi0 = NaN; - }, - clean: function() { - return 2 - clean; // if intersections, rejoin first and last segments - } +function forwardRotationLambda(deltaLambda) { + return function(lambda, phi) { + return lambda += deltaLambda, [lambda > pi$1 ? lambda - tau$1 : lambda < -pi$1 ? lambda + tau$1 : lambda, phi]; }; } -function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { - var cosPhi0, - cosPhi1, - sinLambda0Lambda1 = sin$1(lambda0 - lambda1); - return abs(sinLambda0Lambda1) > epsilon$2 - ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) - - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) - / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) - : (phi0 + phi1) / 2; +function rotationLambda(deltaLambda) { + var rotation = forwardRotationLambda(deltaLambda); + rotation.invert = forwardRotationLambda(-deltaLambda); + return rotation; } -function clipAntimeridianInterpolate(from, to, direction, stream) { - var phi; - if (from == null) { - phi = direction * halfPi$2; - stream.point(-pi$3, phi); - stream.point(0, phi); - stream.point(pi$3, phi); - stream.point(pi$3, 0); - stream.point(pi$3, -phi); - stream.point(0, -phi); - stream.point(-pi$3, -phi); - stream.point(-pi$3, 0); - stream.point(-pi$3, phi); - } else if (abs(from[0] - to[0]) > epsilon$2) { - var lambda = from[0] < to[0] ? pi$3 : -pi$3; - phi = direction * lambda / 2; - stream.point(-lambda, phi); - stream.point(0, phi); - stream.point(lambda, phi); - } else { - stream.point(to[0], to[1]); +function rotationPhiGamma(deltaPhi, deltaGamma) { + var cosDeltaPhi = cos$1(deltaPhi), + sinDeltaPhi = sin$1(deltaPhi), + cosDeltaGamma = cos$1(deltaGamma), + sinDeltaGamma = sin$1(deltaGamma); + + function rotation(lambda, phi) { + var cosPhi = cos$1(phi), + x = cos$1(lambda) * cosPhi, + y = sin$1(lambda) * cosPhi, + z = sin$1(phi), + k = z * cosDeltaPhi + x * sinDeltaPhi; + return [ + atan2$1(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi), + asin$1(k * cosDeltaGamma + y * sinDeltaGamma) + ]; } -} -function clipCircle(radius) { - var cr = cos$1(radius), - delta = 6 * radians, - smallRadius = cr > 0, - notHemisphere = abs(cr) > epsilon$2; // TODO optimise for this common case + rotation.invert = function(lambda, phi) { + var cosPhi = cos$1(phi), + x = cos$1(lambda) * cosPhi, + y = sin$1(lambda) * cosPhi, + z = sin$1(phi), + k = z * cosDeltaGamma - y * sinDeltaGamma; + return [ + atan2$1(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi), + asin$1(k * cosDeltaPhi - x * sinDeltaPhi) + ]; + }; - function interpolate(from, to, direction, stream) { - circleStream(stream, radius, delta, direction, from, to); - } + return rotation; +} - function visible(lambda, phi) { - return cos$1(lambda) * cos$1(phi) > cr; - } +function rotation(rotate) { + rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); - // Takes a line and cuts into visible segments. Return values used for polygon - // clipping: 0 - there were intersections or the line was empty; 1 - no - // intersections 2 - there were intersections, and the first and last segments - // should be rejoined. - function clipLine(stream) { - var point0, // previous point - c0, // code for previous point - v0, // visibility of previous point - v00, // visibility of first point - clean; // no intersections - return { - lineStart: function() { - v00 = v0 = false; - clean = 1; - }, - point: function(lambda, phi) { - var point1 = [lambda, phi], - point2, - v = visible(lambda, phi), - c = smallRadius - ? v ? 0 : code(lambda, phi) - : v ? code(lambda + (lambda < 0 ? pi$3 : -pi$3), phi) : 0; - if (!point0 && (v00 = v0 = v)) stream.lineStart(); - // Handle degeneracies. - // TODO ignore if not clipping polygons. - if (v !== v0) { - point2 = intersect(point0, point1); - if (!point2 || pointEqual(point0, point2) || pointEqual(point1, point2)) { - point1[0] += epsilon$2; - point1[1] += epsilon$2; - v = visible(point1[0], point1[1]); - } - } - if (v !== v0) { - clean = 0; - if (v) { - // outside going in - stream.lineStart(); - point2 = intersect(point1, point0); - stream.point(point2[0], point2[1]); - } else { - // inside going out - point2 = intersect(point0, point1); - stream.point(point2[0], point2[1]); - stream.lineEnd(); - } - point0 = point2; - } else if (notHemisphere && point0 && smallRadius ^ v) { - var t; - // If the codes for two points are different, or are both zero, - // and there this segment intersects with the small circle. - if (!(c & c0) && (t = intersect(point1, point0, true))) { - clean = 0; - if (smallRadius) { - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - } else { - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - } - } - } - if (v && (!point0 || !pointEqual(point0, point1))) { - stream.point(point1[0], point1[1]); - } - point0 = point1, v0 = v, c0 = c; - }, - lineEnd: function() { - if (v0) stream.lineEnd(); - point0 = null; - }, - // Rejoin first and last segments if there were intersections and the first - // and last points were visible. - clean: function() { - return clean | ((v00 && v0) << 1); - } - }; + function forward(coordinates) { + coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians); + return coordinates[0] *= degrees, coordinates[1] *= degrees, coordinates; } - // Intersects the great circle between a and b with the clip circle. - function intersect(a, b, two) { - var pa = cartesian(a), - pb = cartesian(b); - - // We have two planes, n1.p = d1 and n2.p = d2. - // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). - var n1 = [1, 0, 0], // normal - n2 = cartesianCross(pa, pb), - n2n2 = cartesianDot(n2, n2), - n1n2 = n2[0], // cartesianDot(n1, n2), - determinant = n2n2 - n1n2 * n1n2; + forward.invert = function(coordinates) { + coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians); + return coordinates[0] *= degrees, coordinates[1] *= degrees, coordinates; + }; - // Two polar points. - if (!determinant) return !two && a; + return forward; +} - var c1 = cr * n2n2 / determinant, - c2 = -cr * n1n2 / determinant, - n1xn2 = cartesianCross(n1, n2), - A = cartesianScale(n1, c1), - B = cartesianScale(n2, c2); - cartesianAddInPlace(A, B); +// Generates a circle centered at [0°, 0°], with a given radius and precision. +function circleStream(stream, radius, delta, direction, t0, t1) { + if (!delta) return; + var cosRadius = cos$1(radius), + sinRadius = sin$1(radius), + step = direction * delta; + if (t0 == null) { + t0 = radius + direction * tau$1; + t1 = radius - step / 2; + } else { + t0 = circleRadius(cosRadius, t0); + t1 = circleRadius(cosRadius, t1); + if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$1; + } + for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) { + point = spherical([cosRadius, -sinRadius * cos$1(t), -sinRadius * sin$1(t)]); + stream.point(point[0], point[1]); + } +} - // Solve |p(t)|^2 = 1. - var u = n1xn2, - w = cartesianDot(A, u), - uu = cartesianDot(u, u), - t2 = w * w - uu * (cartesianDot(A, A) - 1); +// Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0]. +function circleRadius(cosRadius, point) { + point = cartesian(point), point[0] -= cosRadius; + cartesianNormalizeInPlace(point); + var radius = acos$1(-point[1]); + return ((-point[2] < 0 ? -radius : radius) + tau$1 - epsilon$1) % tau$1; +} - if (t2 < 0) return; +function circle$2() { + var center = constant$3([0, 0]), + radius = constant$3(90), + precision = constant$3(6), + ring, + rotate, + stream = {point: point}; - var t = sqrt(t2), - q = cartesianScale(u, (-w - t) / uu); - cartesianAddInPlace(q, A); - q = spherical(q); + function point(x, y) { + ring.push(x = rotate(x, y)); + x[0] *= degrees, x[1] *= degrees; + } - if (!two) return q; + function circle() { + var c = center.apply(this, arguments), + r = radius.apply(this, arguments) * radians, + p = precision.apply(this, arguments) * radians; + ring = []; + rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert; + circleStream(stream, r, p, 1); + c = {type: "Polygon", coordinates: [ring]}; + ring = rotate = null; + return c; + } - // Two intersection points. - var lambda0 = a[0], - lambda1 = b[0], - phi0 = a[1], - phi1 = b[1], - z; + circle.center = function(_) { + return arguments.length ? (center = typeof _ === "function" ? _ : constant$3([+_[0], +_[1]]), circle) : center; + }; - if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; + circle.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$3(+_), circle) : radius; + }; - var delta = lambda1 - lambda0, - polar = abs(delta - pi$3) < epsilon$2, - meridian = polar || delta < epsilon$2; + circle.precision = function(_) { + return arguments.length ? (precision = typeof _ === "function" ? _ : constant$3(+_), circle) : precision; + }; - if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; + return circle; +} - // Check that the first point is between a and b. - if (meridian - ? polar - ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$2 ? phi0 : phi1) - : phi0 <= q[1] && q[1] <= phi1 - : delta > pi$3 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { - var q1 = cartesianScale(u, (-w + t) / uu); - cartesianAddInPlace(q1, A); - return [q, spherical(q1)]; +function clipBuffer() { + var lines = [], + line; + return { + point: function(x, y, m) { + line.push([x, y, m]); + }, + lineStart: function() { + lines.push(line = []); + }, + lineEnd: noop$1, + rejoin: function() { + if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); + }, + result: function() { + var result = lines; + lines = []; + line = null; + return result; } - } - - // Generates a 4-bit vector representing the location of a point relative to - // the small circle's bounding box. - function code(lambda, phi) { - var r = smallRadius ? radius : pi$3 - radius, - code = 0; - if (lambda < -r) code |= 1; // left - else if (lambda > r) code |= 2; // right - if (phi < -r) code |= 4; // below - else if (phi > r) code |= 8; // above - return code; - } + }; +} - return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$3, radius - pi$3]); +function pointEqual(a, b) { + return abs$1(a[0] - b[0]) < epsilon$1 && abs$1(a[1] - b[1]) < epsilon$1; } -function clipLine(a, b, x0, y0, x1, y1) { - var ax = a[0], - ay = a[1], - bx = b[0], - by = b[1], - t0 = 0, - t1 = 1, - dx = bx - ax, - dy = by - ay, - r; +function Intersection(point, points, other, entry) { + this.x = point; + this.z = points; + this.o = other; // another intersection + this.e = entry; // is an entry? + this.v = false; // visited + this.n = this.p = null; // next & previous +} - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } +// A generalized polygon clipping algorithm: given a polygon that has been cut +// into its visible line segments, and rejoins the segments by interpolating +// along the clip edge. +function clipRejoin(segments, compareIntersection, startInside, interpolate, stream) { + var subject = [], + clip = [], + i, + n; - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } + segments.forEach(function(segment) { + if ((n = segment.length - 1) <= 0) return; + var n, p0 = segment[0], p1 = segment[n], x; - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } + if (pointEqual(p0, p1)) { + if (!p0[2] && !p1[2]) { + stream.lineStart(); + for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]); + stream.lineEnd(); + return; + } + // handle degenerate cases by moving the point + p1[0] += 2 * epsilon$1; + } - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } + subject.push(x = new Intersection(p0, segment, null, true)); + clip.push(x.o = new Intersection(p0, null, x, false)); + subject.push(x = new Intersection(p1, segment, null, false)); + clip.push(x.o = new Intersection(p1, null, x, true)); + }); - if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; - if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; - return true; -} + if (!subject.length) return; -var clipMax = 1e9, clipMin = -clipMax; + clip.sort(compareIntersection); + link$1(subject); + link$1(clip); -// TODO Use d3-polygon’s polygonContains here for the ring check? -// TODO Eliminate duplicate buffering in clipBuffer and polygon.push? + for (i = 0, n = clip.length; i < n; ++i) { + clip[i].e = startInside = !startInside; + } -function clipRectangle(x0, y0, x1, y1) { + var start = subject[0], + points, + point; - function visible(x, y) { - return x0 <= x && x <= x1 && y0 <= y && y <= y1; + while (1) { + // Find first unvisited intersection. + var current = start, + isSubject = true; + while (current.v) if ((current = current.n) === start) return; + points = current.z; + stream.lineStart(); + do { + current.v = current.o.v = true; + if (current.e) { + if (isSubject) { + for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.n.x, 1, stream); + } + current = current.n; + } else { + if (isSubject) { + points = current.p.z; + for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.p.x, -1, stream); + } + current = current.p; + } + current = current.o; + points = current.z; + isSubject = !isSubject; + } while (!current.v); + stream.lineEnd(); } +} - function interpolate(from, to, direction, stream) { - var a = 0, a1 = 0; - if (from == null - || (a = corner(from, direction)) !== (a1 = corner(to, direction)) - || comparePoint(from, to) < 0 ^ direction > 0) { - do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); - while ((a = (a + direction + 4) % 4) !== a1); - } else { - stream.point(to[0], to[1]); - } +function link$1(array) { + if (!(n = array.length)) return; + var n, + i = 0, + a = array[0], + b; + while (++i < n) { + a.n = b = array[i]; + b.p = a; + a = b; } + a.n = b = array[0]; + b.p = a; +} - function corner(p, direction) { - return abs(p[0] - x0) < epsilon$2 ? direction > 0 ? 0 : 3 - : abs(p[0] - x1) < epsilon$2 ? direction > 0 ? 2 : 1 - : abs(p[1] - y0) < epsilon$2 ? direction > 0 ? 1 : 0 - : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon - } +function longitude(point) { + if (abs$1(point[0]) <= pi$1) + return point[0]; + else + return sign$1(point[0]) * ((abs$1(point[0]) + pi$1) % tau$1 - pi$1); +} - function compareIntersection(a, b) { - return comparePoint(a.x, b.x); - } +function polygonContains(polygon, point) { + var lambda = longitude(point), + phi = point[1], + sinPhi = sin$1(phi), + normal = [sin$1(lambda), -cos$1(lambda), 0], + angle = 0, + winding = 0; - function comparePoint(a, b) { - var ca = corner(a, 1), - cb = corner(b, 1); - return ca !== cb ? ca - cb - : ca === 0 ? b[1] - a[1] - : ca === 1 ? a[0] - b[0] - : ca === 2 ? a[1] - b[1] - : b[0] - a[0]; - } + var sum = new Adder(); - return function(stream) { - var activeStream = stream, - bufferStream = clipBuffer(), - segments, - polygon, - ring, - x__, y__, v__, // first point - x_, y_, v_, // previous point - first, - clean; + if (sinPhi === 1) phi = halfPi$1 + epsilon$1; + else if (sinPhi === -1) phi = -halfPi$1 - epsilon$1; - var clipStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: polygonStart, - polygonEnd: polygonEnd - }; + for (var i = 0, n = polygon.length; i < n; ++i) { + if (!(m = (ring = polygon[i]).length)) continue; + var ring, + m, + point0 = ring[m - 1], + lambda0 = longitude(point0), + phi0 = point0[1] / 2 + quarterPi, + sinPhi0 = sin$1(phi0), + cosPhi0 = cos$1(phi0); - function point(x, y) { - if (visible(x, y)) activeStream.point(x, y); - } + for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { + var point1 = ring[j], + lambda1 = longitude(point1), + phi1 = point1[1] / 2 + quarterPi, + sinPhi1 = sin$1(phi1), + cosPhi1 = cos$1(phi1), + delta = lambda1 - lambda0, + sign = delta >= 0 ? 1 : -1, + absDelta = sign * delta, + antimeridian = absDelta > pi$1, + k = sinPhi0 * sinPhi1; - function polygonInside() { - var winding = 0; + sum.add(atan2$1(k * sign * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); + angle += antimeridian ? delta + sign * tau$1 : delta; - for (var i = 0, n = polygon.length; i < n; ++i) { - for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { - a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; - if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } - else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } + // Are the longitudes either side of the point’s meridian (lambda), + // and are the latitudes smaller than the parallel (phi)? + if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) { + var arc = cartesianCross(cartesian(point0), cartesian(point1)); + cartesianNormalizeInPlace(arc); + var intersection = cartesianCross(normal, arc); + cartesianNormalizeInPlace(intersection); + var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin$1(intersection[2]); + if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) { + winding += antimeridian ^ delta >= 0 ? 1 : -1; } } - - return winding; } + } - // Buffer geometry within a polygon and then clip it en masse. - function polygonStart() { - activeStream = bufferStream, segments = [], polygon = [], clean = true; - } + // First, determine whether the South pole is inside or outside: + // + // It is inside if: + // * the polygon winds around it in a clockwise direction. + // * the polygon does not (cumulatively) wind around it, but has a negative + // (counter-clockwise) area. + // + // Second, count the (signed) number of times a segment crosses a lambda + // from the point to the South pole. If it is zero, then the point is the + // same side as the South pole. - function polygonEnd() { - var startInside = polygonInside(), - cleanInside = clean && startInside, - visible = (segments = merge(segments)).length; - if (cleanInside || visible) { - stream.polygonStart(); - if (cleanInside) { - stream.lineStart(); - interpolate(null, null, 1, stream); - stream.lineEnd(); - } - if (visible) { - clipRejoin(segments, compareIntersection, startInside, interpolate, stream); + return (angle < -epsilon$1 || angle < epsilon$1 && sum < -epsilon2) ^ (winding & 1); +} + +function clip(pointVisible, clipLine, interpolate, start) { + return function(sink) { + var line = clipLine(sink), + ringBuffer = clipBuffer(), + ringSink = clipLine(ringBuffer), + polygonStarted = false, + polygon, + segments, + ring; + + var clip = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + clip.point = pointRing; + clip.lineStart = ringStart; + clip.lineEnd = ringEnd; + segments = []; + polygon = []; + }, + polygonEnd: function() { + clip.point = point; + clip.lineStart = lineStart; + clip.lineEnd = lineEnd; + segments = merge(segments); + var startInside = polygonContains(polygon, start); + if (segments.length) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + clipRejoin(segments, compareIntersection, startInside, interpolate, sink); + } else if (startInside) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); } - stream.polygonEnd(); + if (polygonStarted) sink.polygonEnd(), polygonStarted = false; + segments = polygon = null; + }, + sphere: function() { + sink.polygonStart(); + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); + sink.polygonEnd(); } - activeStream = stream, segments = polygon = ring = null; + }; + + function point(lambda, phi) { + if (pointVisible(lambda, phi)) sink.point(lambda, phi); + } + + function pointLine(lambda, phi) { + line.point(lambda, phi); } function lineStart() { - clipStream.point = linePoint; - if (polygon) polygon.push(ring = []); - first = true; - v_ = false; - x_ = y_ = NaN; + clip.point = pointLine; + line.lineStart(); } - // TODO rather than special-case polygons, simply handle them separately. - // Ideally, coincident intersection points should be jittered to avoid - // clipping issues. function lineEnd() { - if (segments) { - linePoint(x__, y__); - if (v__ && v_) bufferStream.rejoin(); - segments.push(bufferStream.result()); - } - clipStream.point = point; - if (v_) activeStream.lineEnd(); + clip.point = point; + line.lineEnd(); } - function linePoint(x, y) { - var v = visible(x, y); - if (polygon) ring.push([x, y]); - if (first) { - x__ = x, y__ = y, v__ = v; - first = false; - if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - } - } else { - if (v && v_) activeStream.point(x, y); - else { - var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], - b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; - if (clipLine(a, b, x0, y0, x1, y1)) { - if (!v_) { - activeStream.lineStart(); - activeStream.point(a[0], a[1]); - } - activeStream.point(b[0], b[1]); - if (!v) activeStream.lineEnd(); - clean = false; - } else if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - clean = false; - } + function pointRing(lambda, phi) { + ring.push([lambda, phi]); + ringSink.point(lambda, phi); + } + + function ringStart() { + ringSink.lineStart(); + ring = []; + } + + function ringEnd() { + pointRing(ring[0][0], ring[0][1]); + ringSink.lineEnd(); + + var clean = ringSink.clean(), + ringSegments = ringBuffer.result(), + i, n = ringSegments.length, m, + segment, + point; + + ring.pop(); + polygon.push(ring); + ring = null; + + if (!n) return; + + // No intersections. + if (clean & 1) { + segment = ringSegments[0]; + if ((m = segment.length - 1) > 0) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); + sink.lineEnd(); } + return; } - x_ = x, y_ = y, v_ = v; + + // Rejoin connected segments. + // TODO reuse ringBuffer.rejoin()? + if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); + + segments.push(ringSegments.filter(validSegment)); } - return clipStream; + return clip; }; } -function extent$1() { - var x0 = 0, - y0 = 0, - x1 = 960, - y1 = 500, - cache, - cacheStream, - clip; +function validSegment(segment) { + return segment.length > 1; +} - return clip = { - stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = clipRectangle(x0, y0, x1, y1)(cacheStream = stream); - }, - extent: function(_) { - return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; - } - }; +// Intersections are sorted along the clip edge. For both antimeridian cutting +// and circle clipping, the same comparison is used. +function compareIntersection(a, b) { + return ((a = a.x)[0] < 0 ? a[1] - halfPi$1 - epsilon$1 : halfPi$1 - a[1]) + - ((b = b.x)[0] < 0 ? b[1] - halfPi$1 - epsilon$1 : halfPi$1 - b[1]); } -var lengthSum = adder(), - lambda0$2, - sinPhi0$1, - cosPhi0$1; +var clipAntimeridian = clip( + function() { return true; }, + clipAntimeridianLine, + clipAntimeridianInterpolate, + [-pi$1, -halfPi$1] +); -var lengthStream = { - sphere: noop$2, - point: noop$2, - lineStart: lengthLineStart, - lineEnd: noop$2, - polygonStart: noop$2, - polygonEnd: noop$2 -}; +// Takes a line and cuts into visible segments. Return values: 0 - there were +// intersections or the line was empty; 1 - no intersections; 2 - there were +// intersections, and the first and last segments should be rejoined. +function clipAntimeridianLine(stream) { + var lambda0 = NaN, + phi0 = NaN, + sign0 = NaN, + clean; // no intersections -function lengthLineStart() { - lengthStream.point = lengthPointFirst; - lengthStream.lineEnd = lengthLineEnd; + return { + lineStart: function() { + stream.lineStart(); + clean = 1; + }, + point: function(lambda1, phi1) { + var sign1 = lambda1 > 0 ? pi$1 : -pi$1, + delta = abs$1(lambda1 - lambda0); + if (abs$1(delta - pi$1) < epsilon$1) { // line crosses a pole + stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$1 : -halfPi$1); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + stream.point(lambda1, phi0); + clean = 0; + } else if (sign0 !== sign1 && delta >= pi$1) { // line crosses antimeridian + if (abs$1(lambda0 - sign0) < epsilon$1) lambda0 -= sign0 * epsilon$1; // handle degeneracies + if (abs$1(lambda1 - sign1) < epsilon$1) lambda1 -= sign1 * epsilon$1; + phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + clean = 0; + } + stream.point(lambda0 = lambda1, phi0 = phi1); + sign0 = sign1; + }, + lineEnd: function() { + stream.lineEnd(); + lambda0 = phi0 = NaN; + }, + clean: function() { + return 2 - clean; // if intersections, rejoin first and last segments + } + }; } -function lengthLineEnd() { - lengthStream.point = lengthStream.lineEnd = noop$2; +function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { + var cosPhi0, + cosPhi1, + sinLambda0Lambda1 = sin$1(lambda0 - lambda1); + return abs$1(sinLambda0Lambda1) > epsilon$1 + ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) + - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) + / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) + : (phi0 + phi1) / 2; } -function lengthPointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi); - lengthStream.point = lengthPoint; +function clipAntimeridianInterpolate(from, to, direction, stream) { + var phi; + if (from == null) { + phi = direction * halfPi$1; + stream.point(-pi$1, phi); + stream.point(0, phi); + stream.point(pi$1, phi); + stream.point(pi$1, 0); + stream.point(pi$1, -phi); + stream.point(0, -phi); + stream.point(-pi$1, -phi); + stream.point(-pi$1, 0); + stream.point(-pi$1, phi); + } else if (abs$1(from[0] - to[0]) > epsilon$1) { + var lambda = from[0] < to[0] ? pi$1 : -pi$1; + phi = direction * lambda / 2; + stream.point(-lambda, phi); + stream.point(0, phi); + stream.point(lambda, phi); + } else { + stream.point(to[0], to[1]); + } } -function lengthPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var sinPhi = sin$1(phi), - cosPhi = cos$1(phi), - delta = abs(lambda - lambda0$2), - cosDelta = cos$1(delta), - sinDelta = sin$1(delta), - x = cosPhi * sinDelta, - y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, - z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; - lengthSum.add(atan2(sqrt(x * x + y * y), z)); - lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; -} +function clipCircle(radius) { + var cr = cos$1(radius), + delta = 6 * radians, + smallRadius = cr > 0, + notHemisphere = abs$1(cr) > epsilon$1; // TODO optimise for this common case -function length$1(object) { - lengthSum.reset(); - geoStream(object, lengthStream); - return +lengthSum; -} - -var coordinates = [null, null], - object$1 = {type: "LineString", coordinates: coordinates}; - -function distance(a, b) { - coordinates[0] = a; - coordinates[1] = b; - return length$1(object$1); -} + function interpolate(from, to, direction, stream) { + circleStream(stream, radius, delta, direction, from, to); + } -var containsObjectType = { - Feature: function(object, point) { - return containsGeometry(object.geometry, point); - }, - FeatureCollection: function(object, point) { - var features = object.features, i = -1, n = features.length; - while (++i < n) if (containsGeometry(features[i].geometry, point)) return true; - return false; + function visible(lambda, phi) { + return cos$1(lambda) * cos$1(phi) > cr; } -}; -var containsGeometryType = { - Sphere: function() { - return true; - }, - Point: function(object, point) { - return containsPoint(object.coordinates, point); - }, - MultiPoint: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsPoint(coordinates[i], point)) return true; - return false; - }, - LineString: function(object, point) { - return containsLine(object.coordinates, point); - }, - MultiLineString: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsLine(coordinates[i], point)) return true; - return false; - }, - Polygon: function(object, point) { - return containsPolygon(object.coordinates, point); - }, - MultiPolygon: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsPolygon(coordinates[i], point)) return true; - return false; - }, - GeometryCollection: function(object, point) { - var geometries = object.geometries, i = -1, n = geometries.length; - while (++i < n) if (containsGeometry(geometries[i], point)) return true; - return false; + // Takes a line and cuts into visible segments. Return values used for polygon + // clipping: 0 - there were intersections or the line was empty; 1 - no + // intersections 2 - there were intersections, and the first and last segments + // should be rejoined. + function clipLine(stream) { + var point0, // previous point + c0, // code for previous point + v0, // visibility of previous point + v00, // visibility of first point + clean; // no intersections + return { + lineStart: function() { + v00 = v0 = false; + clean = 1; + }, + point: function(lambda, phi) { + var point1 = [lambda, phi], + point2, + v = visible(lambda, phi), + c = smallRadius + ? v ? 0 : code(lambda, phi) + : v ? code(lambda + (lambda < 0 ? pi$1 : -pi$1), phi) : 0; + if (!point0 && (v00 = v0 = v)) stream.lineStart(); + if (v !== v0) { + point2 = intersect(point0, point1); + if (!point2 || pointEqual(point0, point2) || pointEqual(point1, point2)) + point1[2] = 1; + } + if (v !== v0) { + clean = 0; + if (v) { + // outside going in + stream.lineStart(); + point2 = intersect(point1, point0); + stream.point(point2[0], point2[1]); + } else { + // inside going out + point2 = intersect(point0, point1); + stream.point(point2[0], point2[1], 2); + stream.lineEnd(); + } + point0 = point2; + } else if (notHemisphere && point0 && smallRadius ^ v) { + var t; + // If the codes for two points are different, or are both zero, + // and there this segment intersects with the small circle. + if (!(c & c0) && (t = intersect(point1, point0, true))) { + clean = 0; + if (smallRadius) { + stream.lineStart(); + stream.point(t[0][0], t[0][1]); + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); + } else { + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); + stream.lineStart(); + stream.point(t[0][0], t[0][1], 3); + } + } + } + if (v && (!point0 || !pointEqual(point0, point1))) { + stream.point(point1[0], point1[1]); + } + point0 = point1, v0 = v, c0 = c; + }, + lineEnd: function() { + if (v0) stream.lineEnd(); + point0 = null; + }, + // Rejoin first and last segments if there were intersections and the first + // and last points were visible. + clean: function() { + return clean | ((v00 && v0) << 1); + } + }; } -}; -function containsGeometry(geometry, point) { - return geometry && containsGeometryType.hasOwnProperty(geometry.type) - ? containsGeometryType[geometry.type](geometry, point) - : false; -} + // Intersects the great circle between a and b with the clip circle. + function intersect(a, b, two) { + var pa = cartesian(a), + pb = cartesian(b); -function containsPoint(coordinates, point) { - return distance(coordinates, point) === 0; -} + // We have two planes, n1.p = d1 and n2.p = d2. + // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). + var n1 = [1, 0, 0], // normal + n2 = cartesianCross(pa, pb), + n2n2 = cartesianDot(n2, n2), + n1n2 = n2[0], // cartesianDot(n1, n2), + determinant = n2n2 - n1n2 * n1n2; -function containsLine(coordinates, point) { - var ao, bo, ab; - for (var i = 0, n = coordinates.length; i < n; i++) { - bo = distance(coordinates[i], point); - if (bo === 0) return true; - if (i > 0) { - ab = distance(coordinates[i], coordinates[i - 1]); - if ( - ab > 0 && - ao <= ab && - bo <= ab && - (ao + bo - ab) * (1 - Math.pow((ao - bo) / ab, 2)) < epsilon2$1 * ab - ) - return true; - } - ao = bo; - } - return false; -} + // Two polar points. + if (!determinant) return !two && a; -function containsPolygon(coordinates, point) { - return !!polygonContains(coordinates.map(ringRadians), pointRadians(point)); -} + var c1 = cr * n2n2 / determinant, + c2 = -cr * n1n2 / determinant, + n1xn2 = cartesianCross(n1, n2), + A = cartesianScale(n1, c1), + B = cartesianScale(n2, c2); + cartesianAddInPlace(A, B); -function ringRadians(ring) { - return ring = ring.map(pointRadians), ring.pop(), ring; -} + // Solve |p(t)|^2 = 1. + var u = n1xn2, + w = cartesianDot(A, u), + uu = cartesianDot(u, u), + t2 = w * w - uu * (cartesianDot(A, A) - 1); -function pointRadians(point) { - return [point[0] * radians, point[1] * radians]; -} + if (t2 < 0) return; -function contains$1(object, point) { - return (object && containsObjectType.hasOwnProperty(object.type) - ? containsObjectType[object.type] - : containsGeometry)(object, point); -} + var t = sqrt$2(t2), + q = cartesianScale(u, (-w - t) / uu); + cartesianAddInPlace(q, A); + q = spherical(q); -function graticuleX(y0, y1, dy) { - var y = sequence(y0, y1 - epsilon$2, dy).concat(y1); - return function(x) { return y.map(function(y) { return [x, y]; }); }; -} + if (!two) return q; -function graticuleY(x0, x1, dx) { - var x = sequence(x0, x1 - epsilon$2, dx).concat(x1); - return function(y) { return x.map(function(x) { return [x, y]; }); }; -} + // Two intersection points. + var lambda0 = a[0], + lambda1 = b[0], + phi0 = a[1], + phi1 = b[1], + z; -function graticule() { - var x1, x0, X1, X0, - y1, y0, Y1, Y0, - dx = 10, dy = dx, DX = 90, DY = 360, - x, y, X, Y, - precision = 2.5; + if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; - function graticule() { - return {type: "MultiLineString", coordinates: lines()}; + var delta = lambda1 - lambda0, + polar = abs$1(delta - pi$1) < epsilon$1, + meridian = polar || delta < epsilon$1; + + if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; + + // Check that the first point is between a and b. + if (meridian + ? polar + ? phi0 + phi1 > 0 ^ q[1] < (abs$1(q[0] - lambda0) < epsilon$1 ? phi0 : phi1) + : phi0 <= q[1] && q[1] <= phi1 + : delta > pi$1 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { + var q1 = cartesianScale(u, (-w + t) / uu); + cartesianAddInPlace(q1, A); + return [q, spherical(q1)]; + } } - function lines() { - return sequence(ceil(X0 / DX) * DX, X1, DX).map(X) - .concat(sequence(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) - .concat(sequence(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$2; }).map(x)) - .concat(sequence(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$2; }).map(y)); + // Generates a 4-bit vector representing the location of a point relative to + // the small circle's bounding box. + function code(lambda, phi) { + var r = smallRadius ? radius : pi$1 - radius, + code = 0; + if (lambda < -r) code |= 1; // left + else if (lambda > r) code |= 2; // right + if (phi < -r) code |= 4; // below + else if (phi > r) code |= 8; // above + return code; } - graticule.lines = function() { - return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); - }; + return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$1, radius - pi$1]); +} - graticule.outline = function() { - return { - type: "Polygon", - coordinates: [ - X(X0).concat( - Y(Y1).slice(1), - X(X1).reverse().slice(1), - Y(Y0).reverse().slice(1)) - ] - }; - }; - - graticule.extent = function(_) { - if (!arguments.length) return graticule.extentMinor(); - return graticule.extentMajor(_).extentMinor(_); - }; - - graticule.extentMajor = function(_) { - if (!arguments.length) return [[X0, Y0], [X1, Y1]]; - X0 = +_[0][0], X1 = +_[1][0]; - Y0 = +_[0][1], Y1 = +_[1][1]; - if (X0 > X1) _ = X0, X0 = X1, X1 = _; - if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; - return graticule.precision(precision); - }; - - graticule.extentMinor = function(_) { - if (!arguments.length) return [[x0, y0], [x1, y1]]; - x0 = +_[0][0], x1 = +_[1][0]; - y0 = +_[0][1], y1 = +_[1][1]; - if (x0 > x1) _ = x0, x0 = x1, x1 = _; - if (y0 > y1) _ = y0, y0 = y1, y1 = _; - return graticule.precision(precision); - }; - - graticule.step = function(_) { - if (!arguments.length) return graticule.stepMinor(); - return graticule.stepMajor(_).stepMinor(_); - }; +function clipLine(a, b, x0, y0, x1, y1) { + var ax = a[0], + ay = a[1], + bx = b[0], + by = b[1], + t0 = 0, + t1 = 1, + dx = bx - ax, + dy = by - ay, + r; - graticule.stepMajor = function(_) { - if (!arguments.length) return [DX, DY]; - DX = +_[0], DY = +_[1]; - return graticule; - }; + r = x0 - ax; + if (!dx && r > 0) return; + r /= dx; + if (dx < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dx > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } - graticule.stepMinor = function(_) { - if (!arguments.length) return [dx, dy]; - dx = +_[0], dy = +_[1]; - return graticule; - }; + r = x1 - ax; + if (!dx && r < 0) return; + r /= dx; + if (dx < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dx > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } - graticule.precision = function(_) { - if (!arguments.length) return precision; - precision = +_; - x = graticuleX(y0, y1, 90); - y = graticuleY(x0, x1, precision); - X = graticuleX(Y0, Y1, 90); - Y = graticuleY(X0, X1, precision); - return graticule; - }; + r = y0 - ay; + if (!dy && r > 0) return; + r /= dy; + if (dy < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dy > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } - return graticule - .extentMajor([[-180, -90 + epsilon$2], [180, 90 - epsilon$2]]) - .extentMinor([[-180, -80 - epsilon$2], [180, 80 + epsilon$2]]); -} + r = y1 - ay; + if (!dy && r < 0) return; + r /= dy; + if (dy < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dy > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } -function graticule10() { - return graticule()(); + if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; + if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; + return true; } -function interpolate$1(a, b) { - var x0 = a[0] * radians, - y0 = a[1] * radians, - x1 = b[0] * radians, - y1 = b[1] * radians, - cy0 = cos$1(y0), - sy0 = sin$1(y0), - cy1 = cos$1(y1), - sy1 = sin$1(y1), - kx0 = cy0 * cos$1(x0), - ky0 = cy0 * sin$1(x0), - kx1 = cy1 * cos$1(x1), - ky1 = cy1 * sin$1(x1), - d = 2 * asin(sqrt(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), - k = sin$1(d); - - var interpolate = d ? function(t) { - var B = sin$1(t *= d) / k, - A = sin$1(d - t) / k, - x = A * kx0 + B * kx1, - y = A * ky0 + B * ky1, - z = A * sy0 + B * sy1; - return [ - atan2(y, x) * degrees$1, - atan2(z, sqrt(x * x + y * y)) * degrees$1 - ]; - } : function() { - return [x0 * degrees$1, y0 * degrees$1]; - }; +var clipMax = 1e9, clipMin = -clipMax; - interpolate.distance = d; +// TODO Use d3-polygon’s polygonContains here for the ring check? +// TODO Eliminate duplicate buffering in clipBuffer and polygon.push? - return interpolate; -} +function clipRectangle(x0, y0, x1, y1) { -function identity$4(x) { - return x; -} + function visible(x, y) { + return x0 <= x && x <= x1 && y0 <= y && y <= y1; + } -var areaSum$1 = adder(), - areaRingSum$1 = adder(), - x00, - y00, - x0$1, - y0$1; + function interpolate(from, to, direction, stream) { + var a = 0, a1 = 0; + if (from == null + || (a = corner(from, direction)) !== (a1 = corner(to, direction)) + || comparePoint(from, to) < 0 ^ direction > 0) { + do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); + while ((a = (a + direction + 4) % 4) !== a1); + } else { + stream.point(to[0], to[1]); + } + } -var areaStream$1 = { - point: noop$2, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: function() { - areaStream$1.lineStart = areaRingStart$1; - areaStream$1.lineEnd = areaRingEnd$1; - }, - polygonEnd: function() { - areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$2; - areaSum$1.add(abs(areaRingSum$1)); - areaRingSum$1.reset(); - }, - result: function() { - var area = areaSum$1 / 2; - areaSum$1.reset(); - return area; + function corner(p, direction) { + return abs$1(p[0] - x0) < epsilon$1 ? direction > 0 ? 0 : 3 + : abs$1(p[0] - x1) < epsilon$1 ? direction > 0 ? 2 : 1 + : abs$1(p[1] - y0) < epsilon$1 ? direction > 0 ? 1 : 0 + : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon } -}; -function areaRingStart$1() { - areaStream$1.point = areaPointFirst$1; -} + function compareIntersection(a, b) { + return comparePoint(a.x, b.x); + } -function areaPointFirst$1(x, y) { - areaStream$1.point = areaPoint$1; - x00 = x0$1 = x, y00 = y0$1 = y; -} + function comparePoint(a, b) { + var ca = corner(a, 1), + cb = corner(b, 1); + return ca !== cb ? ca - cb + : ca === 0 ? b[1] - a[1] + : ca === 1 ? a[0] - b[0] + : ca === 2 ? a[1] - b[1] + : b[0] - a[0]; + } -function areaPoint$1(x, y) { - areaRingSum$1.add(y0$1 * x - x0$1 * y); - x0$1 = x, y0$1 = y; -} + return function(stream) { + var activeStream = stream, + bufferStream = clipBuffer(), + segments, + polygon, + ring, + x__, y__, v__, // first point + x_, y_, v_, // previous point + first, + clean; -function areaRingEnd$1() { - areaPoint$1(x00, y00); -} + var clipStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: polygonStart, + polygonEnd: polygonEnd + }; -var x0$2 = Infinity, - y0$2 = x0$2, - x1 = -x0$2, - y1 = x1; + function point(x, y) { + if (visible(x, y)) activeStream.point(x, y); + } -var boundsStream$1 = { - point: boundsPoint$1, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: noop$2, - polygonEnd: noop$2, - result: function() { - var bounds = [[x0$2, y0$2], [x1, y1]]; - x1 = y1 = -(y0$2 = x0$2 = Infinity); - return bounds; - } -}; + function polygonInside() { + var winding = 0; -function boundsPoint$1(x, y) { - if (x < x0$2) x0$2 = x; - if (x > x1) x1 = x; - if (y < y0$2) y0$2 = y; - if (y > y1) y1 = y; -} + for (var i = 0, n = polygon.length; i < n; ++i) { + for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { + a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; + if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } + else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } + } + } -// TODO Enforce positive area for exterior, negative area for interior? + return winding; + } -var X0$1 = 0, - Y0$1 = 0, - Z0$1 = 0, - X1$1 = 0, - Y1$1 = 0, - Z1$1 = 0, - X2$1 = 0, - Y2$1 = 0, - Z2$1 = 0, - x00$1, - y00$1, - x0$3, - y0$3; + // Buffer geometry within a polygon and then clip it en masse. + function polygonStart() { + activeStream = bufferStream, segments = [], polygon = [], clean = true; + } -var centroidStream$1 = { - point: centroidPoint$1, - lineStart: centroidLineStart$1, - lineEnd: centroidLineEnd$1, - polygonStart: function() { - centroidStream$1.lineStart = centroidRingStart$1; - centroidStream$1.lineEnd = centroidRingEnd$1; - }, - polygonEnd: function() { - centroidStream$1.point = centroidPoint$1; - centroidStream$1.lineStart = centroidLineStart$1; - centroidStream$1.lineEnd = centroidLineEnd$1; - }, - result: function() { - var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] - : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] - : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] - : [NaN, NaN]; - X0$1 = Y0$1 = Z0$1 = - X1$1 = Y1$1 = Z1$1 = - X2$1 = Y2$1 = Z2$1 = 0; - return centroid; - } -}; + function polygonEnd() { + var startInside = polygonInside(), + cleanInside = clean && startInside, + visible = (segments = merge(segments)).length; + if (cleanInside || visible) { + stream.polygonStart(); + if (cleanInside) { + stream.lineStart(); + interpolate(null, null, 1, stream); + stream.lineEnd(); + } + if (visible) { + clipRejoin(segments, compareIntersection, startInside, interpolate, stream); + } + stream.polygonEnd(); + } + activeStream = stream, segments = polygon = ring = null; + } -function centroidPoint$1(x, y) { - X0$1 += x; - Y0$1 += y; - ++Z0$1; -} + function lineStart() { + clipStream.point = linePoint; + if (polygon) polygon.push(ring = []); + first = true; + v_ = false; + x_ = y_ = NaN; + } -function centroidLineStart$1() { - centroidStream$1.point = centroidPointFirstLine; -} + // TODO rather than special-case polygons, simply handle them separately. + // Ideally, coincident intersection points should be jittered to avoid + // clipping issues. + function lineEnd() { + if (segments) { + linePoint(x__, y__); + if (v__ && v_) bufferStream.rejoin(); + segments.push(bufferStream.result()); + } + clipStream.point = point; + if (v_) activeStream.lineEnd(); + } -function centroidPointFirstLine(x, y) { - centroidStream$1.point = centroidPointLine; - centroidPoint$1(x0$3 = x, y0$3 = y); + function linePoint(x, y) { + var v = visible(x, y); + if (polygon) ring.push([x, y]); + if (first) { + x__ = x, y__ = y, v__ = v; + first = false; + if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + } + } else { + if (v && v_) activeStream.point(x, y); + else { + var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], + b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; + if (clipLine(a, b, x0, y0, x1, y1)) { + if (!v_) { + activeStream.lineStart(); + activeStream.point(a[0], a[1]); + } + activeStream.point(b[0], b[1]); + if (!v) activeStream.lineEnd(); + clean = false; + } else if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + clean = false; + } + } + } + x_ = x, y_ = y, v_ = v; + } + + return clipStream; + }; } -function centroidPointLine(x, y) { - var dx = x - x0$3, dy = y - y0$3, z = sqrt(dx * dx + dy * dy); - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; - centroidPoint$1(x0$3 = x, y0$3 = y); +function extent() { + var x0 = 0, + y0 = 0, + x1 = 960, + y1 = 500, + cache, + cacheStream, + clip; + + return clip = { + stream: function(stream) { + return cache && cacheStream === stream ? cache : cache = clipRectangle(x0, y0, x1, y1)(cacheStream = stream); + }, + extent: function(_) { + return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; + } + }; } -function centroidLineEnd$1() { - centroidStream$1.point = centroidPoint$1; +var lengthSum$1, + lambda0, + sinPhi0, + cosPhi0; + +var lengthStream$1 = { + sphere: noop$1, + point: noop$1, + lineStart: lengthLineStart, + lineEnd: noop$1, + polygonStart: noop$1, + polygonEnd: noop$1 +}; + +function lengthLineStart() { + lengthStream$1.point = lengthPointFirst$1; + lengthStream$1.lineEnd = lengthLineEnd; } -function centroidRingStart$1() { - centroidStream$1.point = centroidPointFirstRing; +function lengthLineEnd() { + lengthStream$1.point = lengthStream$1.lineEnd = noop$1; } -function centroidRingEnd$1() { - centroidPointRing(x00$1, y00$1); +function lengthPointFirst$1(lambda, phi) { + lambda *= radians, phi *= radians; + lambda0 = lambda, sinPhi0 = sin$1(phi), cosPhi0 = cos$1(phi); + lengthStream$1.point = lengthPoint$1; } -function centroidPointFirstRing(x, y) { - centroidStream$1.point = centroidPointRing; - centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); +function lengthPoint$1(lambda, phi) { + lambda *= radians, phi *= radians; + var sinPhi = sin$1(phi), + cosPhi = cos$1(phi), + delta = abs$1(lambda - lambda0), + cosDelta = cos$1(delta), + sinDelta = sin$1(delta), + x = cosPhi * sinDelta, + y = cosPhi0 * sinPhi - sinPhi0 * cosPhi * cosDelta, + z = sinPhi0 * sinPhi + cosPhi0 * cosPhi * cosDelta; + lengthSum$1.add(atan2$1(sqrt$2(x * x + y * y), z)); + lambda0 = lambda, sinPhi0 = sinPhi, cosPhi0 = cosPhi; } -function centroidPointRing(x, y) { - var dx = x - x0$3, - dy = y - y0$3, - z = sqrt(dx * dx + dy * dy); +function length$1(object) { + lengthSum$1 = new Adder(); + geoStream(object, lengthStream$1); + return +lengthSum$1; +} - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; +var coordinates = [null, null], + object = {type: "LineString", coordinates: coordinates}; - z = y0$3 * x - x0$3 * y; - X2$1 += z * (x0$3 + x); - Y2$1 += z * (y0$3 + y); - Z2$1 += z * 3; - centroidPoint$1(x0$3 = x, y0$3 = y); +function distance(a, b) { + coordinates[0] = a; + coordinates[1] = b; + return length$1(object); } -function PathContext(context) { - this._context = context; -} +var containsObjectType = { + Feature: function(object, point) { + return containsGeometry(object.geometry, point); + }, + FeatureCollection: function(object, point) { + var features = object.features, i = -1, n = features.length; + while (++i < n) if (containsGeometry(features[i].geometry, point)) return true; + return false; + } +}; -PathContext.prototype = { - _radius: 4.5, - pointRadius: function(_) { - return this._radius = _, this; +var containsGeometryType = { + Sphere: function() { + return true; }, - polygonStart: function() { - this._line = 0; + Point: function(object, point) { + return containsPoint(object.coordinates, point); }, - polygonEnd: function() { - this._line = NaN; + MultiPoint: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsPoint(coordinates[i], point)) return true; + return false; }, - lineStart: function() { - this._point = 0; + LineString: function(object, point) { + return containsLine(object.coordinates, point); }, - lineEnd: function() { - if (this._line === 0) this._context.closePath(); - this._point = NaN; + MultiLineString: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsLine(coordinates[i], point)) return true; + return false; }, - point: function(x, y) { - switch (this._point) { - case 0: { - this._context.moveTo(x, y); - this._point = 1; - break; - } - case 1: { - this._context.lineTo(x, y); - break; - } - default: { - this._context.moveTo(x + this._radius, y); - this._context.arc(x, y, this._radius, 0, tau$3); - break; - } - } + Polygon: function(object, point) { + return containsPolygon(object.coordinates, point); + }, + MultiPolygon: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsPolygon(coordinates[i], point)) return true; + return false; }, - result: noop$2 + GeometryCollection: function(object, point) { + var geometries = object.geometries, i = -1, n = geometries.length; + while (++i < n) if (containsGeometry(geometries[i], point)) return true; + return false; + } }; -var lengthSum$1 = adder(), - lengthRing, - x00$2, - y00$2, - x0$4, - y0$4; +function containsGeometry(geometry, point) { + return geometry && containsGeometryType.hasOwnProperty(geometry.type) + ? containsGeometryType[geometry.type](geometry, point) + : false; +} -var lengthStream$1 = { - point: noop$2, - lineStart: function() { - lengthStream$1.point = lengthPointFirst$1; - }, - lineEnd: function() { - if (lengthRing) lengthPoint$1(x00$2, y00$2); - lengthStream$1.point = noop$2; - }, - polygonStart: function() { - lengthRing = true; - }, - polygonEnd: function() { - lengthRing = null; - }, - result: function() { - var length = +lengthSum$1; - lengthSum$1.reset(); - return length; +function containsPoint(coordinates, point) { + return distance(coordinates, point) === 0; +} + +function containsLine(coordinates, point) { + var ao, bo, ab; + for (var i = 0, n = coordinates.length; i < n; i++) { + bo = distance(coordinates[i], point); + if (bo === 0) return true; + if (i > 0) { + ab = distance(coordinates[i], coordinates[i - 1]); + if ( + ab > 0 && + ao <= ab && + bo <= ab && + (ao + bo - ab) * (1 - Math.pow((ao - bo) / ab, 2)) < epsilon2 * ab + ) + return true; + } + ao = bo; } -}; + return false; +} -function lengthPointFirst$1(x, y) { - lengthStream$1.point = lengthPoint$1; - x00$2 = x0$4 = x, y00$2 = y0$4 = y; +function containsPolygon(coordinates, point) { + return !!polygonContains(coordinates.map(ringRadians), pointRadians(point)); } -function lengthPoint$1(x, y) { - x0$4 -= x, y0$4 -= y; - lengthSum$1.add(sqrt(x0$4 * x0$4 + y0$4 * y0$4)); - x0$4 = x, y0$4 = y; +function ringRadians(ring) { + return ring = ring.map(pointRadians), ring.pop(), ring; } -function PathString() { - this._string = []; +function pointRadians(point) { + return [point[0] * radians, point[1] * radians]; } -PathString.prototype = { - _radius: 4.5, - _circle: circle$1(4.5), - pointRadius: function(_) { - if ((_ = +_) !== this._radius) this._radius = _, this._circle = null; - return this; - }, - polygonStart: function() { - this._line = 0; - }, - polygonEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line === 0) this._string.push("Z"); - this._point = NaN; - }, - point: function(x, y) { - switch (this._point) { - case 0: { - this._string.push("M", x, ",", y); - this._point = 1; - break; - } - case 1: { - this._string.push("L", x, ",", y); - break; - } - default: { - if (this._circle == null) this._circle = circle$1(this._radius); - this._string.push("M", x, ",", y, this._circle); - break; - } - } - }, - result: function() { - if (this._string.length) { - var result = this._string.join(""); - this._string = []; - return result; - } else { - return null; - } - } -}; +function contains$1(object, point) { + return (object && containsObjectType.hasOwnProperty(object.type) + ? containsObjectType[object.type] + : containsGeometry)(object, point); +} -function circle$1(radius) { - return "m0," + radius - + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius - + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius - + "z"; +function graticuleX(y0, y1, dy) { + var y = sequence(y0, y1 - epsilon$1, dy).concat(y1); + return function(x) { return y.map(function(y) { return [x, y]; }); }; } -function index$1(projection, context) { - var pointRadius = 4.5, - projectionStream, - contextStream; +function graticuleY(x0, x1, dx) { + var x = sequence(x0, x1 - epsilon$1, dx).concat(x1); + return function(y) { return x.map(function(x) { return [x, y]; }); }; +} - function path(object) { - if (object) { - if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); - geoStream(object, projectionStream(contextStream)); - } - return contextStream.result(); +function graticule() { + var x1, x0, X1, X0, + y1, y0, Y1, Y0, + dx = 10, dy = dx, DX = 90, DY = 360, + x, y, X, Y, + precision = 2.5; + + function graticule() { + return {type: "MultiLineString", coordinates: lines()}; } - path.area = function(object) { - geoStream(object, projectionStream(areaStream$1)); - return areaStream$1.result(); + function lines() { + return sequence(ceil(X0 / DX) * DX, X1, DX).map(X) + .concat(sequence(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) + .concat(sequence(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs$1(x % DX) > epsilon$1; }).map(x)) + .concat(sequence(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs$1(y % DY) > epsilon$1; }).map(y)); + } + + graticule.lines = function() { + return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); }; - path.measure = function(object) { - geoStream(object, projectionStream(lengthStream$1)); - return lengthStream$1.result(); + graticule.outline = function() { + return { + type: "Polygon", + coordinates: [ + X(X0).concat( + Y(Y1).slice(1), + X(X1).reverse().slice(1), + Y(Y0).reverse().slice(1)) + ] + }; }; - path.bounds = function(object) { - geoStream(object, projectionStream(boundsStream$1)); - return boundsStream$1.result(); + graticule.extent = function(_) { + if (!arguments.length) return graticule.extentMinor(); + return graticule.extentMajor(_).extentMinor(_); }; - path.centroid = function(object) { - geoStream(object, projectionStream(centroidStream$1)); - return centroidStream$1.result(); + graticule.extentMajor = function(_) { + if (!arguments.length) return [[X0, Y0], [X1, Y1]]; + X0 = +_[0][0], X1 = +_[1][0]; + Y0 = +_[0][1], Y1 = +_[1][1]; + if (X0 > X1) _ = X0, X0 = X1, X1 = _; + if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; + return graticule.precision(precision); }; - path.projection = function(_) { - return arguments.length ? (projectionStream = _ == null ? (projection = null, identity$4) : (projection = _).stream, path) : projection; + graticule.extentMinor = function(_) { + if (!arguments.length) return [[x0, y0], [x1, y1]]; + x0 = +_[0][0], x1 = +_[1][0]; + y0 = +_[0][1], y1 = +_[1][1]; + if (x0 > x1) _ = x0, x0 = x1, x1 = _; + if (y0 > y1) _ = y0, y0 = y1, y1 = _; + return graticule.precision(precision); }; - path.context = function(_) { - if (!arguments.length) return context; - contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); - if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); - return path; + graticule.step = function(_) { + if (!arguments.length) return graticule.stepMinor(); + return graticule.stepMajor(_).stepMinor(_); }; - path.pointRadius = function(_) { - if (!arguments.length) return pointRadius; - pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); - return path; + graticule.stepMajor = function(_) { + if (!arguments.length) return [DX, DY]; + DX = +_[0], DY = +_[1]; + return graticule; }; - return path.projection(projection).context(context); -} + graticule.stepMinor = function(_) { + if (!arguments.length) return [dx, dy]; + dx = +_[0], dy = +_[1]; + return graticule; + }; -function transform(methods) { - return { - stream: transformer(methods) + graticule.precision = function(_) { + if (!arguments.length) return precision; + precision = +_; + x = graticuleX(y0, y1, 90); + y = graticuleY(x0, x1, precision); + X = graticuleX(Y0, Y1, 90); + Y = graticuleY(X0, X1, precision); + return graticule; }; + + return graticule + .extentMajor([[-180, -90 + epsilon$1], [180, 90 - epsilon$1]]) + .extentMinor([[-180, -80 - epsilon$1], [180, 80 + epsilon$1]]); } -function transformer(methods) { - return function(stream) { - var s = new TransformStream; - for (var key in methods) s[key] = methods[key]; - s.stream = stream; - return s; - }; +function graticule10() { + return graticule()(); } -function TransformStream() {} +function interpolate(a, b) { + var x0 = a[0] * radians, + y0 = a[1] * radians, + x1 = b[0] * radians, + y1 = b[1] * radians, + cy0 = cos$1(y0), + sy0 = sin$1(y0), + cy1 = cos$1(y1), + sy1 = sin$1(y1), + kx0 = cy0 * cos$1(x0), + ky0 = cy0 * sin$1(x0), + kx1 = cy1 * cos$1(x1), + ky1 = cy1 * sin$1(x1), + d = 2 * asin$1(sqrt$2(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), + k = sin$1(d); -TransformStream.prototype = { - constructor: TransformStream, - point: function(x, y) { this.stream.point(x, y); }, - sphere: function() { this.stream.sphere(); }, - lineStart: function() { this.stream.lineStart(); }, - lineEnd: function() { this.stream.lineEnd(); }, - polygonStart: function() { this.stream.polygonStart(); }, - polygonEnd: function() { this.stream.polygonEnd(); } -}; + var interpolate = d ? function(t) { + var B = sin$1(t *= d) / k, + A = sin$1(d - t) / k, + x = A * kx0 + B * kx1, + y = A * ky0 + B * ky1, + z = A * sy0 + B * sy1; + return [ + atan2$1(y, x) * degrees, + atan2$1(z, sqrt$2(x * x + y * y)) * degrees + ]; + } : function() { + return [x0 * degrees, y0 * degrees]; + }; -function fit(projection, fitBounds, object) { - var clip = projection.clipExtent && projection.clipExtent(); - projection.scale(150).translate([0, 0]); - if (clip != null) projection.clipExtent(null); - geoStream(object, projection.stream(boundsStream$1)); - fitBounds(boundsStream$1.result()); - if (clip != null) projection.clipExtent(clip); - return projection; -} + interpolate.distance = d; -function fitExtent(projection, extent, object) { - return fit(projection, function(b) { - var w = extent[1][0] - extent[0][0], - h = extent[1][1] - extent[0][1], - k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), - x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, - y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; - projection.scale(150 * k).translate([x, y]); - }, object); + return interpolate; } -function fitSize(projection, size, object) { - return fitExtent(projection, [[0, 0], size], object); -} +var identity$5 = x => x; -function fitWidth(projection, width, object) { - return fit(projection, function(b) { - var w = +width, - k = w / (b[1][0] - b[0][0]), - x = (w - k * (b[1][0] + b[0][0])) / 2, - y = -k * b[0][1]; - projection.scale(150 * k).translate([x, y]); - }, object); +var areaSum = new Adder(), + areaRingSum = new Adder(), + x00$2, + y00$2, + x0$3, + y0$3; + +var areaStream = { + point: noop$1, + lineStart: noop$1, + lineEnd: noop$1, + polygonStart: function() { + areaStream.lineStart = areaRingStart; + areaStream.lineEnd = areaRingEnd; + }, + polygonEnd: function() { + areaStream.lineStart = areaStream.lineEnd = areaStream.point = noop$1; + areaSum.add(abs$1(areaRingSum)); + areaRingSum = new Adder(); + }, + result: function() { + var area = areaSum / 2; + areaSum = new Adder(); + return area; + } +}; + +function areaRingStart() { + areaStream.point = areaPointFirst; } -function fitHeight(projection, height, object) { - return fit(projection, function(b) { - var h = +height, - k = h / (b[1][1] - b[0][1]), - x = -k * b[0][0], - y = (h - k * (b[1][1] + b[0][1])) / 2; - projection.scale(150 * k).translate([x, y]); - }, object); +function areaPointFirst(x, y) { + areaStream.point = areaPoint; + x00$2 = x0$3 = x, y00$2 = y0$3 = y; } -var maxDepth = 16, // maximum depth of subdivision - cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) +function areaPoint(x, y) { + areaRingSum.add(y0$3 * x - x0$3 * y); + x0$3 = x, y0$3 = y; +} -function resample(project, delta2) { - return +delta2 ? resample$1(project, delta2) : resampleNone(project); +function areaRingEnd() { + areaPoint(x00$2, y00$2); } -function resampleNone(project) { - return transformer({ - point: function(x, y) { - x = project(x, y); - this.stream.point(x[0], x[1]); - } - }); -} - -function resample$1(project, delta2) { +var x0$2 = Infinity, + y0$2 = x0$2, + x1 = -x0$2, + y1 = x1; - function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) { - var dx = x1 - x0, - dy = y1 - y0, - d2 = dx * dx + dy * dy; - if (d2 > 4 * delta2 && depth--) { - var a = a0 + a1, - b = b0 + b1, - c = c0 + c1, - m = sqrt(a * a + b * b + c * c), - phi2 = asin(c /= m), - lambda2 = abs(abs(c) - 1) < epsilon$2 || abs(lambda0 - lambda1) < epsilon$2 ? (lambda0 + lambda1) / 2 : atan2(b, a), - p = project(lambda2, phi2), - x2 = p[0], - y2 = p[1], - dx2 = x2 - x0, - dy2 = y2 - y0, - dz = dy * dx2 - dx * dy2; - if (dz * dz / d2 > delta2 // perpendicular projected distance - || abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end - || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream); - stream.point(x2, y2); - resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream); - } - } +var boundsStream = { + point: boundsPoint, + lineStart: noop$1, + lineEnd: noop$1, + polygonStart: noop$1, + polygonEnd: noop$1, + result: function() { + var bounds = [[x0$2, y0$2], [x1, y1]]; + x1 = y1 = -(y0$2 = x0$2 = Infinity); + return bounds; } - return function(stream) { - var lambda00, x00, y00, a00, b00, c00, // first point - lambda0, x0, y0, a0, b0, c0; // previous point +}; - var resampleStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; }, - polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; } - }; +function boundsPoint(x, y) { + if (x < x0$2) x0$2 = x; + if (x > x1) x1 = x; + if (y < y0$2) y0$2 = y; + if (y > y1) y1 = y; +} - function point(x, y) { - x = project(x, y); - stream.point(x[0], x[1]); - } +// TODO Enforce positive area for exterior, negative area for interior? - function lineStart() { - x0 = NaN; - resampleStream.point = linePoint; - stream.lineStart(); - } +var X0 = 0, + Y0 = 0, + Z0 = 0, + X1 = 0, + Y1 = 0, + Z1 = 0, + X2 = 0, + Y2 = 0, + Z2 = 0, + x00$1, + y00$1, + x0$1, + y0$1; - function linePoint(lambda, phi) { - var c = cartesian([lambda, phi]), p = project(lambda, phi); - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); - stream.point(x0, y0); - } +var centroidStream = { + point: centroidPoint, + lineStart: centroidLineStart, + lineEnd: centroidLineEnd, + polygonStart: function() { + centroidStream.lineStart = centroidRingStart; + centroidStream.lineEnd = centroidRingEnd; + }, + polygonEnd: function() { + centroidStream.point = centroidPoint; + centroidStream.lineStart = centroidLineStart; + centroidStream.lineEnd = centroidLineEnd; + }, + result: function() { + var centroid = Z2 ? [X2 / Z2, Y2 / Z2] + : Z1 ? [X1 / Z1, Y1 / Z1] + : Z0 ? [X0 / Z0, Y0 / Z0] + : [NaN, NaN]; + X0 = Y0 = Z0 = + X1 = Y1 = Z1 = + X2 = Y2 = Z2 = 0; + return centroid; + } +}; - function lineEnd() { - resampleStream.point = point; - stream.lineEnd(); - } +function centroidPoint(x, y) { + X0 += x; + Y0 += y; + ++Z0; +} - function ringStart() { - lineStart(); - resampleStream.point = ringPoint; - resampleStream.lineEnd = ringEnd; - } +function centroidLineStart() { + centroidStream.point = centroidPointFirstLine; +} - function ringPoint(lambda, phi) { - linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; - resampleStream.point = linePoint; - } +function centroidPointFirstLine(x, y) { + centroidStream.point = centroidPointLine; + centroidPoint(x0$1 = x, y0$1 = y); +} - function ringEnd() { - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream); - resampleStream.lineEnd = lineEnd; - lineEnd(); - } +function centroidPointLine(x, y) { + var dx = x - x0$1, dy = y - y0$1, z = sqrt$2(dx * dx + dy * dy); + X1 += z * (x0$1 + x) / 2; + Y1 += z * (y0$1 + y) / 2; + Z1 += z; + centroidPoint(x0$1 = x, y0$1 = y); +} - return resampleStream; - }; +function centroidLineEnd() { + centroidStream.point = centroidPoint; } -var transformRadians = transformer({ - point: function(x, y) { - this.stream.point(x * radians, y * radians); - } -}); +function centroidRingStart() { + centroidStream.point = centroidPointFirstRing; +} -function transformRotate(rotate) { - return transformer({ - point: function(x, y) { - var r = rotate(x, y); - return this.stream.point(r[0], r[1]); - } - }); +function centroidRingEnd() { + centroidPointRing(x00$1, y00$1); } -function scaleTranslate(k, dx, dy, sx, sy) { - function transform(x, y) { - x *= sx; y *= sy; - return [dx + k * x, dy - k * y]; - } - transform.invert = function(x, y) { - return [(x - dx) / k * sx, (dy - y) / k * sy]; - }; - return transform; +function centroidPointFirstRing(x, y) { + centroidStream.point = centroidPointRing; + centroidPoint(x00$1 = x0$1 = x, y00$1 = y0$1 = y); } -function scaleTranslateRotate(k, dx, dy, sx, sy, alpha) { - var cosAlpha = cos$1(alpha), - sinAlpha = sin$1(alpha), - a = cosAlpha * k, - b = sinAlpha * k, - ai = cosAlpha / k, - bi = sinAlpha / k, - ci = (sinAlpha * dy - cosAlpha * dx) / k, - fi = (sinAlpha * dx + cosAlpha * dy) / k; - function transform(x, y) { - x *= sx; y *= sy; - return [a * x - b * y + dx, dy - b * x - a * y]; - } - transform.invert = function(x, y) { - return [sx * (ai * x - bi * y + ci), sy * (fi - bi * x - ai * y)]; - }; - return transform; +function centroidPointRing(x, y) { + var dx = x - x0$1, + dy = y - y0$1, + z = sqrt$2(dx * dx + dy * dy); + + X1 += z * (x0$1 + x) / 2; + Y1 += z * (y0$1 + y) / 2; + Z1 += z; + + z = y0$1 * x - x0$1 * y; + X2 += z * (x0$1 + x); + Y2 += z * (y0$1 + y); + Z2 += z * 3; + centroidPoint(x0$1 = x, y0$1 = y); } -function projection(project) { - return projectionMutator(function() { return project; })(); +function PathContext(context) { + this._context = context; } -function projectionMutator(projectAt) { - var project, - k = 150, // scale - x = 480, y = 250, // translate - lambda = 0, phi = 0, // center - deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, // pre-rotate - alpha = 0, // post-rotate angle - sx = 1, // reflectX - sy = 1, // reflectX - theta = null, preclip = clipAntimeridian, // pre-clip angle - x0 = null, y0, x1, y1, postclip = identity$4, // post-clip extent - delta2 = 0.5, // precision - projectResample, - projectTransform, - projectRotateTransform, - cache, - cacheStream; +PathContext.prototype = { + _radius: 4.5, + pointRadius: function(_) { + return this._radius = _, this; + }, + polygonStart: function() { + this._line = 0; + }, + polygonEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line === 0) this._context.closePath(); + this._point = NaN; + }, + point: function(x, y) { + switch (this._point) { + case 0: { + this._context.moveTo(x, y); + this._point = 1; + break; + } + case 1: { + this._context.lineTo(x, y); + break; + } + default: { + this._context.moveTo(x + this._radius, y); + this._context.arc(x, y, this._radius, 0, tau$1); + break; + } + } + }, + result: noop$1 +}; - function projection(point) { - return projectRotateTransform(point[0] * radians, point[1] * radians); - } +var lengthSum = new Adder(), + lengthRing, + x00, + y00, + x0, + y0; - function invert(point) { - point = projectRotateTransform.invert(point[0], point[1]); - return point && [point[0] * degrees$1, point[1] * degrees$1]; +var lengthStream = { + point: noop$1, + lineStart: function() { + lengthStream.point = lengthPointFirst; + }, + lineEnd: function() { + if (lengthRing) lengthPoint(x00, y00); + lengthStream.point = noop$1; + }, + polygonStart: function() { + lengthRing = true; + }, + polygonEnd: function() { + lengthRing = null; + }, + result: function() { + var length = +lengthSum; + lengthSum = new Adder(); + return length; } +}; - projection.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = transformRadians(transformRotate(rotate)(preclip(projectResample(postclip(cacheStream = stream))))); - }; +function lengthPointFirst(x, y) { + lengthStream.point = lengthPoint; + x00 = x0 = x, y00 = y0 = y; +} - projection.preclip = function(_) { - return arguments.length ? (preclip = _, theta = undefined, reset()) : preclip; - }; +function lengthPoint(x, y) { + x0 -= x, y0 -= y; + lengthSum.add(sqrt$2(x0 * x0 + y0 * y0)); + x0 = x, y0 = y; +} - projection.postclip = function(_) { - return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; - }; +function PathString() { + this._string = []; +} - projection.clipAngle = function(_) { - return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1; - }; +PathString.prototype = { + _radius: 4.5, + _circle: circle$1(4.5), + pointRadius: function(_) { + if ((_ = +_) !== this._radius) this._radius = _, this._circle = null; + return this; + }, + polygonStart: function() { + this._line = 0; + }, + polygonEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line === 0) this._string.push("Z"); + this._point = NaN; + }, + point: function(x, y) { + switch (this._point) { + case 0: { + this._string.push("M", x, ",", y); + this._point = 1; + break; + } + case 1: { + this._string.push("L", x, ",", y); + break; + } + default: { + if (this._circle == null) this._circle = circle$1(this._radius); + this._string.push("M", x, ",", y, this._circle); + break; + } + } + }, + result: function() { + if (this._string.length) { + var result = this._string.join(""); + this._string = []; + return result; + } else { + return null; + } + } +}; - projection.clipExtent = function(_) { - return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; - }; +function circle$1(radius) { + return "m0," + radius + + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + + "z"; +} - projection.scale = function(_) { - return arguments.length ? (k = +_, recenter()) : k; - }; +function index$2(projection, context) { + var pointRadius = 4.5, + projectionStream, + contextStream; - projection.translate = function(_) { - return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y]; - }; + function path(object) { + if (object) { + if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); + geoStream(object, projectionStream(contextStream)); + } + return contextStream.result(); + } - projection.center = function(_) { - return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees$1, phi * degrees$1]; + path.area = function(object) { + geoStream(object, projectionStream(areaStream)); + return areaStream.result(); }; - projection.rotate = function(_) { - return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees$1, deltaPhi * degrees$1, deltaGamma * degrees$1]; + path.measure = function(object) { + geoStream(object, projectionStream(lengthStream)); + return lengthStream.result(); }; - projection.angle = function(_) { - return arguments.length ? (alpha = _ % 360 * radians, recenter()) : alpha * degrees$1; + path.bounds = function(object) { + geoStream(object, projectionStream(boundsStream)); + return boundsStream.result(); }; - projection.reflectX = function(_) { - return arguments.length ? (sx = _ ? -1 : 1, recenter()) : sx < 0; + path.centroid = function(object) { + geoStream(object, projectionStream(centroidStream)); + return centroidStream.result(); }; - projection.reflectY = function(_) { - return arguments.length ? (sy = _ ? -1 : 1, recenter()) : sy < 0; + path.projection = function(_) { + return arguments.length ? (projectionStream = _ == null ? (projection = null, identity$5) : (projection = _).stream, path) : projection; }; - projection.precision = function(_) { - return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt(delta2); + path.context = function(_) { + if (!arguments.length) return context; + contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); + if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); + return path; }; - projection.fitExtent = function(extent, object) { - return fitExtent(projection, extent, object); + path.pointRadius = function(_) { + if (!arguments.length) return pointRadius; + pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); + return path; }; - projection.fitSize = function(size, object) { - return fitSize(projection, size, object); - }; + return path.projection(projection).context(context); +} - projection.fitWidth = function(width, object) { - return fitWidth(projection, width, object); +function transform$1(methods) { + return { + stream: transformer$3(methods) }; +} - projection.fitHeight = function(height, object) { - return fitHeight(projection, height, object); +function transformer$3(methods) { + return function(stream) { + var s = new TransformStream; + for (var key in methods) s[key] = methods[key]; + s.stream = stream; + return s; }; +} - function recenter() { - var center = scaleTranslateRotate(k, 0, 0, sx, sy, alpha).apply(null, project(lambda, phi)), - transform = (alpha ? scaleTranslateRotate : scaleTranslate)(k, x - center[0], y - center[1], sx, sy, alpha); - rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma); - projectTransform = compose(project, transform); - projectRotateTransform = compose(rotate, projectTransform); - projectResample = resample(projectTransform, delta2); - return reset(); - } +function TransformStream() {} - function reset() { - cache = cacheStream = null; - return projection; - } +TransformStream.prototype = { + constructor: TransformStream, + point: function(x, y) { this.stream.point(x, y); }, + sphere: function() { this.stream.sphere(); }, + lineStart: function() { this.stream.lineStart(); }, + lineEnd: function() { this.stream.lineEnd(); }, + polygonStart: function() { this.stream.polygonStart(); }, + polygonEnd: function() { this.stream.polygonEnd(); } +}; - return function() { - project = projectAt.apply(this, arguments); - projection.invert = project.invert && invert; - return recenter(); - }; +function fit(projection, fitBounds, object) { + var clip = projection.clipExtent && projection.clipExtent(); + projection.scale(150).translate([0, 0]); + if (clip != null) projection.clipExtent(null); + geoStream(object, projection.stream(boundsStream)); + fitBounds(boundsStream.result()); + if (clip != null) projection.clipExtent(clip); + return projection; } -function conicProjection(projectAt) { - var phi0 = 0, - phi1 = pi$3 / 3, - m = projectionMutator(projectAt), - p = m(phi0, phi1); - - p.parallels = function(_) { - return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees$1, phi1 * degrees$1]; - }; +function fitExtent(projection, extent, object) { + return fit(projection, function(b) { + var w = extent[1][0] - extent[0][0], + h = extent[1][1] - extent[0][1], + k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), + x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, + y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; + projection.scale(150 * k).translate([x, y]); + }, object); +} - return p; +function fitSize(projection, size, object) { + return fitExtent(projection, [[0, 0], size], object); } -function cylindricalEqualAreaRaw(phi0) { - var cosPhi0 = cos$1(phi0); +function fitWidth(projection, width, object) { + return fit(projection, function(b) { + var w = +width, + k = w / (b[1][0] - b[0][0]), + x = (w - k * (b[1][0] + b[0][0])) / 2, + y = -k * b[0][1]; + projection.scale(150 * k).translate([x, y]); + }, object); +} - function forward(lambda, phi) { - return [lambda * cosPhi0, sin$1(phi) / cosPhi0]; - } +function fitHeight(projection, height, object) { + return fit(projection, function(b) { + var h = +height, + k = h / (b[1][1] - b[0][1]), + x = -k * b[0][0], + y = (h - k * (b[1][1] + b[0][1])) / 2; + projection.scale(150 * k).translate([x, y]); + }, object); +} - forward.invert = function(x, y) { - return [x / cosPhi0, asin(y * cosPhi0)]; - }; +var maxDepth = 16, // maximum depth of subdivision + cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) - return forward; +function resample(project, delta2) { + return +delta2 ? resample$1(project, delta2) : resampleNone(project); } -function conicEqualAreaRaw(y0, y1) { - var sy0 = sin$1(y0), n = (sy0 + sin$1(y1)) / 2; - - // Are the parallels symmetrical around the Equator? - if (abs(n) < epsilon$2) return cylindricalEqualAreaRaw(y0); +function resampleNone(project) { + return transformer$3({ + point: function(x, y) { + x = project(x, y); + this.stream.point(x[0], x[1]); + } + }); +} - var c = 1 + sy0 * (2 * n - sy0), r0 = sqrt(c) / n; +function resample$1(project, delta2) { - function project(x, y) { - var r = sqrt(c - 2 * n * sin$1(y)) / n; - return [r * sin$1(x *= n), r0 - r * cos$1(x)]; + function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) { + var dx = x1 - x0, + dy = y1 - y0, + d2 = dx * dx + dy * dy; + if (d2 > 4 * delta2 && depth--) { + var a = a0 + a1, + b = b0 + b1, + c = c0 + c1, + m = sqrt$2(a * a + b * b + c * c), + phi2 = asin$1(c /= m), + lambda2 = abs$1(abs$1(c) - 1) < epsilon$1 || abs$1(lambda0 - lambda1) < epsilon$1 ? (lambda0 + lambda1) / 2 : atan2$1(b, a), + p = project(lambda2, phi2), + x2 = p[0], + y2 = p[1], + dx2 = x2 - x0, + dy2 = y2 - y0, + dz = dy * dx2 - dx * dy2; + if (dz * dz / d2 > delta2 // perpendicular projected distance + || abs$1((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end + || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream); + stream.point(x2, y2); + resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream); + } + } } + return function(stream) { + var lambda00, x00, y00, a00, b00, c00, // first point + lambda0, x0, y0, a0, b0, c0; // previous point - project.invert = function(x, y) { - var r0y = r0 - y, - l = atan2(x, abs(r0y)) * sign(r0y); - if (r0y * n < 0) - l -= pi$3 * sign(x) * sign(r0y); - return [l / n, asin((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; - }; + var resampleStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; }, + polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; } + }; - return project; -} + function point(x, y) { + x = project(x, y); + stream.point(x[0], x[1]); + } -function conicEqualArea() { - return conicProjection(conicEqualAreaRaw) - .scale(155.424) - .center([0, 33.6442]); -} + function lineStart() { + x0 = NaN; + resampleStream.point = linePoint; + stream.lineStart(); + } + + function linePoint(lambda, phi) { + var c = cartesian([lambda, phi]), p = project(lambda, phi); + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); + stream.point(x0, y0); + } + + function lineEnd() { + resampleStream.point = point; + stream.lineEnd(); + } + + function ringStart() { + lineStart(); + resampleStream.point = ringPoint; + resampleStream.lineEnd = ringEnd; + } + + function ringPoint(lambda, phi) { + linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; + resampleStream.point = linePoint; + } + + function ringEnd() { + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream); + resampleStream.lineEnd = lineEnd; + lineEnd(); + } + + return resampleStream; + }; +} + +var transformRadians = transformer$3({ + point: function(x, y) { + this.stream.point(x * radians, y * radians); + } +}); + +function transformRotate(rotate) { + return transformer$3({ + point: function(x, y) { + var r = rotate(x, y); + return this.stream.point(r[0], r[1]); + } + }); +} + +function scaleTranslate(k, dx, dy, sx, sy) { + function transform(x, y) { + x *= sx; y *= sy; + return [dx + k * x, dy - k * y]; + } + transform.invert = function(x, y) { + return [(x - dx) / k * sx, (dy - y) / k * sy]; + }; + return transform; +} + +function scaleTranslateRotate(k, dx, dy, sx, sy, alpha) { + if (!alpha) return scaleTranslate(k, dx, dy, sx, sy); + var cosAlpha = cos$1(alpha), + sinAlpha = sin$1(alpha), + a = cosAlpha * k, + b = sinAlpha * k, + ai = cosAlpha / k, + bi = sinAlpha / k, + ci = (sinAlpha * dy - cosAlpha * dx) / k, + fi = (sinAlpha * dx + cosAlpha * dy) / k; + function transform(x, y) { + x *= sx; y *= sy; + return [a * x - b * y + dx, dy - b * x - a * y]; + } + transform.invert = function(x, y) { + return [sx * (ai * x - bi * y + ci), sy * (fi - bi * x - ai * y)]; + }; + return transform; +} + +function projection(project) { + return projectionMutator(function() { return project; })(); +} + +function projectionMutator(projectAt) { + var project, + k = 150, // scale + x = 480, y = 250, // translate + lambda = 0, phi = 0, // center + deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, // pre-rotate + alpha = 0, // post-rotate angle + sx = 1, // reflectX + sy = 1, // reflectX + theta = null, preclip = clipAntimeridian, // pre-clip angle + x0 = null, y0, x1, y1, postclip = identity$5, // post-clip extent + delta2 = 0.5, // precision + projectResample, + projectTransform, + projectRotateTransform, + cache, + cacheStream; + + function projection(point) { + return projectRotateTransform(point[0] * radians, point[1] * radians); + } + + function invert(point) { + point = projectRotateTransform.invert(point[0], point[1]); + return point && [point[0] * degrees, point[1] * degrees]; + } + + projection.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = transformRadians(transformRotate(rotate)(preclip(projectResample(postclip(cacheStream = stream))))); + }; + + projection.preclip = function(_) { + return arguments.length ? (preclip = _, theta = undefined, reset()) : preclip; + }; + + projection.postclip = function(_) { + return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; + }; + + projection.clipAngle = function(_) { + return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees; + }; + + projection.clipExtent = function(_) { + return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$5) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + }; + + projection.scale = function(_) { + return arguments.length ? (k = +_, recenter()) : k; + }; + + projection.translate = function(_) { + return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y]; + }; + + projection.center = function(_) { + return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees, phi * degrees]; + }; + + projection.rotate = function(_) { + return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees, deltaPhi * degrees, deltaGamma * degrees]; + }; + + projection.angle = function(_) { + return arguments.length ? (alpha = _ % 360 * radians, recenter()) : alpha * degrees; + }; + + projection.reflectX = function(_) { + return arguments.length ? (sx = _ ? -1 : 1, recenter()) : sx < 0; + }; + + projection.reflectY = function(_) { + return arguments.length ? (sy = _ ? -1 : 1, recenter()) : sy < 0; + }; + + projection.precision = function(_) { + return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt$2(delta2); + }; + + projection.fitExtent = function(extent, object) { + return fitExtent(projection, extent, object); + }; + + projection.fitSize = function(size, object) { + return fitSize(projection, size, object); + }; + + projection.fitWidth = function(width, object) { + return fitWidth(projection, width, object); + }; + + projection.fitHeight = function(height, object) { + return fitHeight(projection, height, object); + }; + + function recenter() { + var center = scaleTranslateRotate(k, 0, 0, sx, sy, alpha).apply(null, project(lambda, phi)), + transform = scaleTranslateRotate(k, x - center[0], y - center[1], sx, sy, alpha); + rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma); + projectTransform = compose(project, transform); + projectRotateTransform = compose(rotate, projectTransform); + projectResample = resample(projectTransform, delta2); + return reset(); + } + + function reset() { + cache = cacheStream = null; + return projection; + } + + return function() { + project = projectAt.apply(this, arguments); + projection.invert = project.invert && invert; + return recenter(); + }; +} + +function conicProjection(projectAt) { + var phi0 = 0, + phi1 = pi$1 / 3, + m = projectionMutator(projectAt), + p = m(phi0, phi1); + + p.parallels = function(_) { + return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees, phi1 * degrees]; + }; + + return p; +} + +function cylindricalEqualAreaRaw(phi0) { + var cosPhi0 = cos$1(phi0); + + function forward(lambda, phi) { + return [lambda * cosPhi0, sin$1(phi) / cosPhi0]; + } + + forward.invert = function(x, y) { + return [x / cosPhi0, asin$1(y * cosPhi0)]; + }; + + return forward; +} + +function conicEqualAreaRaw(y0, y1) { + var sy0 = sin$1(y0), n = (sy0 + sin$1(y1)) / 2; + + // Are the parallels symmetrical around the Equator? + if (abs$1(n) < epsilon$1) return cylindricalEqualAreaRaw(y0); + + var c = 1 + sy0 * (2 * n - sy0), r0 = sqrt$2(c) / n; + + function project(x, y) { + var r = sqrt$2(c - 2 * n * sin$1(y)) / n; + return [r * sin$1(x *= n), r0 - r * cos$1(x)]; + } + + project.invert = function(x, y) { + var r0y = r0 - y, + l = atan2$1(x, abs$1(r0y)) * sign$1(r0y); + if (r0y * n < 0) + l -= pi$1 * sign$1(x) * sign$1(r0y); + return [l / n, asin$1((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; + }; + + return project; +} + +function conicEqualArea() { + return conicProjection(conicEqualAreaRaw) + .scale(155.424) + .center([0, 33.6442]); +} function albers() { return conicEqualArea() @@ -10244,12 +11846,12 @@ function albersUsa() { alaskaPoint = alaska .translate([x - 0.307 * k, y + 0.201 * k]) - .clipExtent([[x - 0.425 * k + epsilon$2, y + 0.120 * k + epsilon$2], [x - 0.214 * k - epsilon$2, y + 0.234 * k - epsilon$2]]) + .clipExtent([[x - 0.425 * k + epsilon$1, y + 0.120 * k + epsilon$1], [x - 0.214 * k - epsilon$1, y + 0.234 * k - epsilon$1]]) .stream(pointStream); hawaiiPoint = hawaii .translate([x - 0.205 * k, y + 0.212 * k]) - .clipExtent([[x - 0.214 * k + epsilon$2, y + 0.166 * k + epsilon$2], [x - 0.115 * k - epsilon$2, y + 0.234 * k - epsilon$2]]) + .clipExtent([[x - 0.214 * k + epsilon$1, y + 0.166 * k + epsilon$1], [x - 0.115 * k - epsilon$1, y + 0.234 * k - epsilon$1]]) .stream(pointStream); return reset(); @@ -10284,6 +11886,7 @@ function azimuthalRaw(scale) { var cx = cos$1(x), cy = cos$1(y), k = scale(cx * cy); + if (k === Infinity) return [2, 0]; return [ k * cy * sin$1(x), k * sin$1(y) @@ -10293,23 +11896,23 @@ function azimuthalRaw(scale) { function azimuthalInvert(angle) { return function(x, y) { - var z = sqrt(x * x + y * y), + var z = sqrt$2(x * x + y * y), c = angle(z), sc = sin$1(c), cc = cos$1(c); return [ - atan2(x * sc, z * cc), - asin(z && y * sc / z) + atan2$1(x * sc, z * cc), + asin$1(z && y * sc / z) ]; } } var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) { - return sqrt(2 / (1 + cxcy)); + return sqrt$2(2 / (1 + cxcy)); }); azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) { - return 2 * asin(z / 2); + return 2 * asin$1(z / 2); }); function azimuthalEqualArea() { @@ -10319,7 +11922,7 @@ function azimuthalEqualArea() { } var azimuthalEquidistantRaw = azimuthalRaw(function(c) { - return (c = acos(c)) && c / sin$1(c); + return (c = acos$1(c)) && c / sin$1(c); }); azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) { @@ -10333,16 +11936,16 @@ function azimuthalEquidistant() { } function mercatorRaw(lambda, phi) { - return [lambda, log(tan((halfPi$2 + phi) / 2))]; + return [lambda, log$1(tan((halfPi$1 + phi) / 2))]; } mercatorRaw.invert = function(x, y) { - return [x, 2 * atan(exp(y)) - halfPi$2]; + return [x, 2 * atan(exp(y)) - halfPi$1]; }; function mercator() { return mercatorProjection(mercatorRaw) - .scale(961 / tau$3); + .scale(961 / tau$1); } function mercatorProjection(project) { @@ -10370,7 +11973,7 @@ function mercatorProjection(project) { }; function reclip() { - var k = pi$3 * scale(), + var k = pi$1 * scale(), t = m(rotation(m.rotate()).invert([0, 0])); return clipExtent(x0 == null ? [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]] : project === mercatorRaw @@ -10382,29 +11985,29 @@ function mercatorProjection(project) { } function tany(y) { - return tan((halfPi$2 + y) / 2); + return tan((halfPi$1 + y) / 2); } function conicConformalRaw(y0, y1) { var cy0 = cos$1(y0), - n = y0 === y1 ? sin$1(y0) : log(cy0 / cos$1(y1)) / log(tany(y1) / tany(y0)), - f = cy0 * pow(tany(y0), n) / n; + n = y0 === y1 ? sin$1(y0) : log$1(cy0 / cos$1(y1)) / log$1(tany(y1) / tany(y0)), + f = cy0 * pow$1(tany(y0), n) / n; if (!n) return mercatorRaw; function project(x, y) { - if (f > 0) { if (y < -halfPi$2 + epsilon$2) y = -halfPi$2 + epsilon$2; } - else { if (y > halfPi$2 - epsilon$2) y = halfPi$2 - epsilon$2; } - var r = f / pow(tany(y), n); + if (f > 0) { if (y < -halfPi$1 + epsilon$1) y = -halfPi$1 + epsilon$1; } + else { if (y > halfPi$1 - epsilon$1) y = halfPi$1 - epsilon$1; } + var r = f / pow$1(tany(y), n); return [r * sin$1(n * x), f - r * cos$1(n * x)]; } project.invert = function(x, y) { - var fy = f - y, r = sign(n) * sqrt(x * x + fy * fy), - l = atan2(x, abs(fy)) * sign(fy); + var fy = f - y, r = sign$1(n) * sqrt$2(x * x + fy * fy), + l = atan2$1(x, abs$1(fy)) * sign$1(fy); if (fy * n < 0) - l -= pi$3 * sign(x) * sign(fy); - return [l / n, 2 * atan(pow(f / r, 1 / n)) - halfPi$2]; + l -= pi$1 * sign$1(x) * sign$1(fy); + return [l / n, 2 * atan(pow$1(f / r, 1 / n)) - halfPi$1]; }; return project; @@ -10432,7 +12035,7 @@ function conicEquidistantRaw(y0, y1) { n = y0 === y1 ? sin$1(y0) : (cy0 - cos$1(y1)) / (y1 - y0), g = cy0 / n + y0; - if (abs(n) < epsilon$2) return equirectangularRaw; + if (abs$1(n) < epsilon$1) return equirectangularRaw; function project(x, y) { var gy = g - y, nx = n * x; @@ -10441,10 +12044,10 @@ function conicEquidistantRaw(y0, y1) { project.invert = function(x, y) { var gy = g - y, - l = atan2(x, abs(gy)) * sign(gy); + l = atan2$1(x, abs$1(gy)) * sign$1(gy); if (gy * n < 0) - l -= pi$3 * sign(x) * sign(gy); - return [l / n, g - sign(n) * sqrt(x * x + gy * gy)]; + l -= pi$1 * sign$1(x) * sign$1(gy); + return [l / n, g - sign$1(n) * sqrt$2(x * x + gy * gy)]; }; return project; @@ -10460,11 +12063,11 @@ var A1 = 1.340264, A2 = -0.081106, A3 = 0.000893, A4 = 0.003796, - M = sqrt(3) / 2, + M = sqrt$2(3) / 2, iterations = 12; function equalEarthRaw(lambda, phi) { - var l = asin(M * sin$1(phi)), l2 = l * l, l6 = l2 * l2 * l2; + var l = asin$1(M * sin$1(phi)), l2 = l * l, l6 = l2 * l2 * l2; return [ lambda * cos$1(l) / (M * (A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2))), l * (A1 + A2 * l2 + l6 * (A3 + A4 * l2)) @@ -10477,11 +12080,11 @@ equalEarthRaw.invert = function(x, y) { fy = l * (A1 + A2 * l2 + l6 * (A3 + A4 * l2)) - y; fpy = A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2); l -= delta = fy / fpy, l2 = l * l, l6 = l2 * l2 * l2; - if (abs(delta) < epsilon2$1) break; + if (abs$1(delta) < epsilon2) break; } return [ M * x * (A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2)) / cos$1(l), - asin(sin$1(l) / M) + asin$1(sin$1(l) / M) ]; }; @@ -10503,18 +12106,18 @@ function gnomonic() { .clipAngle(60); } -function identity$5() { +function identity$4() { var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, // scale, translate and reflect alpha = 0, ca, sa, // angle x0 = null, y0, x1, y1, // clip extent kx = 1, ky = 1, - transform = transformer({ + transform = transformer$3({ point: function(x, y) { var p = projection([x, y]); this.stream.point(p[0], p[1]); } }), - postclip = identity$4, + postclip = identity$5, cache, cacheStream; @@ -10550,7 +12153,7 @@ function identity$5() { return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; }; projection.clipExtent = function(_) { - return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$5) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; }; projection.scale = function(_) { return arguments.length ? (k = +_, reset()) : k; @@ -10559,7 +12162,7 @@ function identity$5() { return arguments.length ? (tx = +_[0], ty = +_[1], reset()) : [tx, ty]; }; projection.angle = function(_) { - return arguments.length ? (alpha = _ % 360 * radians, sa = sin$1(alpha), ca = cos$1(alpha), reset()) : alpha * degrees$1; + return arguments.length ? (alpha = _ % 360 * radians, sa = sin$1(alpha), ca = cos$1(alpha), reset()) : alpha * degrees; }; projection.reflectX = function(_) { return arguments.length ? (sx = _ ? -1 : 1, reset()) : sx < 0; @@ -10597,7 +12200,7 @@ naturalEarth1Raw.invert = function(x, y) { var phi2 = phi * phi, phi4 = phi2 * phi2; phi -= delta = (phi * (1.007226 + phi2 * (0.015085 + phi4 * (-0.044475 + 0.028874 * phi2 - 0.005916 * phi4))) - y) / (1.007226 + phi2 * (0.015085 * 3 + phi4 * (-0.044475 * 7 + 0.028874 * 9 * phi2 - 0.005916 * 11 * phi4))); - } while (abs(delta) > epsilon$2 && --i > 0); + } while (abs$1(delta) > epsilon$1 && --i > 0); return [ x / (0.8707 + (phi2 = phi * phi) * (-0.131979 + phi2 * (-0.013791 + phi2 * phi2 * phi2 * (0.003971 - 0.001529 * phi2)))), phi @@ -10613,12 +12216,12 @@ function orthographicRaw(x, y) { return [cos$1(y) * sin$1(x), sin$1(y)]; } -orthographicRaw.invert = azimuthalInvert(asin); +orthographicRaw.invert = azimuthalInvert(asin$1); function orthographic() { return projection(orthographicRaw) .scale(249.5) - .clipAngle(90 + epsilon$2); + .clipAngle(90 + epsilon$1); } function stereographicRaw(x, y) { @@ -10637,11 +12240,11 @@ function stereographic() { } function transverseMercatorRaw(lambda, phi) { - return [log(tan((halfPi$2 + phi) / 2)), -lambda]; + return [log$1(tan((halfPi$1 + phi) / 2)), -lambda]; } transverseMercatorRaw.invert = function(x, y) { - return [-y, 2 * atan(exp(x)) - halfPi$2]; + return [-y, 2 * atan(exp(x)) - halfPi$1]; }; function transverseMercator() { @@ -10661,7 +12264,7 @@ function transverseMercator() { .scale(159.155); } -function defaultSeparation(a, b) { +function defaultSeparation$1(a, b) { return a.parent === b.parent ? 1 : 2; } @@ -10694,7 +12297,7 @@ function leafRight(node) { } function cluster() { - var separation = defaultSeparation, + var separation = defaultSeparation$1, dx = 1, dy = 1, nodeSize = false; @@ -10759,45 +12362,52 @@ function node_count() { return this.eachAfter(count); } -function node_each(callback) { - var node = this, current, next = [node], children, i, n; - do { - current = next.reverse(), next = []; - while (node = current.pop()) { - callback(node), children = node.children; - if (children) for (i = 0, n = children.length; i < n; ++i) { - next.push(children[i]); - } - } - } while (next.length); +function node_each(callback, that) { + let index = -1; + for (const node of this) { + callback.call(that, node, ++index, this); + } return this; } -function node_eachBefore(callback) { - var node = this, nodes = [node], children, i; +function node_eachBefore(callback, that) { + var node = this, nodes = [node], children, i, index = -1; while (node = nodes.pop()) { - callback(node), children = node.children; - if (children) for (i = children.length - 1; i >= 0; --i) { - nodes.push(children[i]); + callback.call(that, node, ++index, this); + if (children = node.children) { + for (i = children.length - 1; i >= 0; --i) { + nodes.push(children[i]); + } } } return this; } -function node_eachAfter(callback) { - var node = this, nodes = [node], next = [], children, i, n; +function node_eachAfter(callback, that) { + var node = this, nodes = [node], next = [], children, i, n, index = -1; while (node = nodes.pop()) { - next.push(node), children = node.children; - if (children) for (i = 0, n = children.length; i < n; ++i) { - nodes.push(children[i]); + next.push(node); + if (children = node.children) { + for (i = 0, n = children.length; i < n; ++i) { + nodes.push(children[i]); + } } } while (node = next.pop()) { - callback(node); + callback.call(that, node, ++index, this); } return this; } +function node_find(callback, that) { + let index = -1; + for (const node of this) { + if (callback.call(that, node, ++index, this)) { + return node; + } + } +} + function node_sum(value) { return this.eachAfter(function(node) { var sum = +value(node.data) || 0, @@ -10856,11 +12466,7 @@ function node_ancestors() { } function node_descendants() { - var nodes = []; - this.each(function(node) { - nodes.push(node); - }); - return nodes; + return Array.from(this); } function node_leaves() { @@ -10883,9 +12489,30 @@ function node_links() { return links; } +function* node_iterator() { + var node = this, current, next = [node], children, i, n; + do { + current = next.reverse(), next = []; + while (node = current.pop()) { + yield node; + if (children = node.children) { + for (i = 0, n = children.length; i < n; ++i) { + next.push(children[i]); + } + } + } + } while (next.length); +} + function hierarchy(data, children) { - var root = new Node(data), - valued = +data.value && (root.value = data.value), + if (data instanceof Map) { + data = [undefined, data]; + if (children === undefined) children = mapChildren; + } else if (children === undefined) { + children = objectChildren; + } + + var root = new Node$1(data), node, nodes = [root], child, @@ -10893,14 +12520,11 @@ function hierarchy(data, children) { i, n; - if (children == null) children = defaultChildren; - while (node = nodes.pop()) { - if (valued) node.value = +node.data.value; - if ((childs = children(node.data)) && (n = childs.length)) { - node.children = new Array(n); + if ((childs = children(node.data)) && (n = (childs = Array.from(childs)).length)) { + node.children = childs; for (i = n - 1; i >= 0; --i) { - nodes.push(child = node.children[i] = new Node(childs[i])); + nodes.push(child = childs[i] = new Node$1(childs[i])); child.parent = node; child.depth = node.depth + 1; } @@ -10914,11 +12538,16 @@ function node_copy() { return hierarchy(this).eachBefore(copyData); } -function defaultChildren(d) { +function objectChildren(d) { return d.children; } +function mapChildren(d) { + return Array.isArray(d) ? d[1] : null; +} + function copyData(node) { + if (node.data.value !== undefined) node.value = node.data.value; node.data = node.data.data; } @@ -10928,19 +12557,20 @@ function computeHeight(node) { while ((node = node.parent) && (node.height < ++height)); } -function Node(data) { +function Node$1(data) { this.data = data; this.depth = this.height = 0; this.parent = null; } -Node.prototype = hierarchy.prototype = { - constructor: Node, +Node$1.prototype = hierarchy.prototype = { + constructor: Node$1, count: node_count, each: node_each, eachAfter: node_eachAfter, eachBefore: node_eachBefore, + find: node_find, sum: node_sum, sort: node_sort, path: node_path, @@ -10948,12 +12578,17 @@ Node.prototype = hierarchy.prototype = { descendants: node_descendants, leaves: node_leaves, links: node_links, - copy: node_copy + copy: node_copy, + [Symbol.iterator]: node_iterator }; -var slice$4 = Array.prototype.slice; +function array$1(x) { + return typeof x === "object" && "length" in x + ? x // Array, TypedArray, NodeList, array-like + : Array.from(x); // Map, Set, iterable, string, or anything else +} -function shuffle$1(array) { +function shuffle(array) { var m = array.length, t, i; @@ -10969,7 +12604,7 @@ function shuffle$1(array) { } function enclose(circles) { - var i = 0, n = (circles = shuffle$1(slice$4.call(circles))).length, B = [], p, e; + var i = 0, n = (circles = shuffle(Array.from(circles))).length, B = [], p, e; while (i < n) { p = circles[i]; @@ -11015,7 +12650,7 @@ function enclosesNot(a, b) { } function enclosesWeak(a, b) { - var dr = a.r - b.r + 1e-6, dx = b.x - a.x, dy = b.y - a.y; + var dr = a.r - b.r + Math.max(a.r, b.r, 1) * 1e-9, dx = b.x - a.x, dy = b.y - a.y; return dr > 0 && dr * dr > dx * dx + dy * dy; } @@ -11123,14 +12758,14 @@ function score(node) { return dx * dx + dy * dy; } -function Node$1(circle) { +function Node(circle) { this._ = circle; this.next = null; this.previous = null; } function packEnclose(circles) { - if (!(n = circles.length)) return 0; + if (!(n = (circles = array$1(circles)).length)) return 0; var a, b, c, n, aa, ca, i, j, k, sj, sk; @@ -11146,14 +12781,14 @@ function packEnclose(circles) { place(b, a, c = circles[2]); // Initialize the front-chain using the first three circles a, b and c. - a = new Node$1(a), b = new Node$1(b), c = new Node$1(c); + a = new Node(a), b = new Node(b), c = new Node(c); a.next = c.previous = b; b.next = a.previous = c; c.next = b.previous = a; // Attempt to place each remaining circle… pack: for (i = 3; i < n; ++i) { - place(a._, b._, c = circles[i]), c = new Node$1(c); + place(a._, b._, c = circles[i]), c = new Node(c); // Find the closest intersecting circle on the front-chain, if any. // “Closeness” is determined by linear distance along the front-chain. @@ -11215,17 +12850,17 @@ function constantZero() { return 0; } -function constant$9(x) { +function constant$2(x) { return function() { return x; }; } -function defaultRadius$1(d) { +function defaultRadius(d) { return Math.sqrt(d.value); } -function index$2() { +function index$1() { var radius = null, dx = 1, dy = 1, @@ -11238,7 +12873,7 @@ function index$2() { .eachAfter(packChildren(padding, 0.5)) .eachBefore(translateChild(1)); } else { - root.eachBefore(radiusLeaf(defaultRadius$1)) + root.eachBefore(radiusLeaf(defaultRadius)) .eachAfter(packChildren(constantZero, 1)) .eachAfter(packChildren(padding, root.r / Math.min(dx, dy))) .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r))); @@ -11255,7 +12890,7 @@ function index$2() { }; pack.padding = function(x) { - return arguments.length ? (padding = typeof x === "function" ? x : constant$9(+x), pack) : padding; + return arguments.length ? (padding = typeof x === "function" ? x : constant$2(+x), pack) : padding; }; return pack; @@ -11367,8 +13002,7 @@ function partition() { return partition; } -var keyPrefix$1 = "$", // Protect against keys like “__proto__”. - preroot = {depth: -1}, +var preroot = {depth: -1}, ambiguous = {}; function defaultId(d) { @@ -11384,37 +13018,40 @@ function stratify() { parentId = defaultParentId; function stratify(data) { - var d, + var nodes = Array.from(data), + n = nodes.length, + d, i, - n = data.length, root, parent, node, - nodes = new Array(n), nodeId, nodeKey, - nodeByKey = {}; + nodeByKey = new Map; for (i = 0; i < n; ++i) { - d = data[i], node = nodes[i] = new Node(d); + d = nodes[i], node = nodes[i] = new Node$1(d); if ((nodeId = id(d, i, data)) != null && (nodeId += "")) { - nodeKey = keyPrefix$1 + (node.id = nodeId); - nodeByKey[nodeKey] = nodeKey in nodeByKey ? ambiguous : node; + nodeKey = node.id = nodeId; + nodeByKey.set(nodeKey, nodeByKey.has(nodeKey) ? ambiguous : node); + } + if ((nodeId = parentId(d, i, data)) != null && (nodeId += "")) { + node.parent = nodeId; } } for (i = 0; i < n; ++i) { - node = nodes[i], nodeId = parentId(data[i], i, data); - if (nodeId == null || !(nodeId += "")) { - if (root) throw new Error("multiple roots"); - root = node; - } else { - parent = nodeByKey[keyPrefix$1 + nodeId]; + node = nodes[i]; + if (nodeId = node.parent) { + parent = nodeByKey.get(nodeId); if (!parent) throw new Error("missing: " + nodeId); if (parent === ambiguous) throw new Error("ambiguous: " + nodeId); if (parent.children) parent.children.push(node); else parent.children = [node]; node.parent = parent; + } else { + if (root) throw new Error("multiple roots"); + root = node; } } @@ -11438,7 +13075,7 @@ function stratify() { return stratify; } -function defaultSeparation$1(a, b) { +function defaultSeparation(a, b) { return a.parent === b.parent ? 1 : 2; } @@ -11509,7 +13146,7 @@ function TreeNode(node, i) { this.i = i; // number } -TreeNode.prototype = Object.create(Node.prototype); +TreeNode.prototype = Object.create(Node$1.prototype); function treeRoot(root) { var tree = new TreeNode(root, 0), @@ -11536,7 +13173,7 @@ function treeRoot(root) { // Node-link tree diagram using the Reingold-Tilford "tidy" algorithm function tree() { - var separation = defaultSeparation$1, + var separation = defaultSeparation, dx = 1, dy = 1, nodeSize = null; @@ -11751,7 +13388,7 @@ var squarify = (function custom(ratio) { return squarify; })(phi); -function index$3() { +function index() { var tile = squarify, round = false, dx = 1, @@ -11815,7 +13452,7 @@ function index$3() { }; treemap.paddingInner = function(x) { - return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$9(+x), treemap) : paddingInner; + return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$2(+x), treemap) : paddingInner; }; treemap.paddingOuter = function(x) { @@ -11823,19 +13460,19 @@ function index$3() { }; treemap.paddingTop = function(x) { - return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$9(+x), treemap) : paddingTop; + return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$2(+x), treemap) : paddingTop; }; treemap.paddingRight = function(x) { - return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$9(+x), treemap) : paddingRight; + return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$2(+x), treemap) : paddingRight; }; treemap.paddingBottom = function(x) { - return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$9(+x), treemap) : paddingBottom; + return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$2(+x), treemap) : paddingBottom; }; treemap.paddingLeft = function(x) { - return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$9(+x), treemap) : paddingLeft; + return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$2(+x), treemap) : paddingLeft; }; return treemap; @@ -11877,11 +13514,11 @@ function binary(parent, x0, y0, x1, y1) { valueRight = value - valueLeft; if ((x1 - x0) > (y1 - y0)) { - var xk = (x0 * valueRight + x1 * valueLeft) / value; + var xk = value ? (x0 * valueRight + x1 * valueLeft) / value : x1; partition(i, k, valueLeft, x0, y0, xk, y1); partition(k, j, valueRight, xk, y0, x1, y1); } else { - var yk = (y0 * valueRight + y1 * valueLeft) / value; + var yk = value ? (y0 * valueRight + y1 * valueLeft) / value : y1; partition(i, k, valueLeft, x0, y0, x1, yk); partition(k, j, valueRight, x0, yk, x1, y1); } @@ -11908,8 +13545,8 @@ var resquarify = (function custom(ratio) { while (++j < m) { row = rows[j], nodes = row.children; for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value; - if (row.dice) treemapDice(row, x0, y0, x1, y0 += (y1 - y0) * row.value / value); - else treemapSlice(row, x0, y0, x0 += (x1 - x0) * row.value / value, y1); + if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += (y1 - y0) * row.value / value : y1); + else treemapSlice(row, x0, y0, value ? x0 += (x1 - x0) * row.value / value : x1, y1); value -= row.value; } } else { @@ -11925,7 +13562,7 @@ var resquarify = (function custom(ratio) { return resquarify; })(phi); -function area$2(polygon) { +function area$1(polygon) { var i = -1, n = polygon.length, a, @@ -11941,7 +13578,7 @@ function area$2(polygon) { return area / 2; } -function centroid$1(polygon) { +function centroid(polygon) { var i = -1, n = polygon.length, x = 0, @@ -11978,11 +13615,11 @@ function lexicographicOrder(a, b) { // Assumes points.length >= 3, is sorted by x, unique in y. // Returns an array of indices into points in left-to-right order. function computeUpperHullIndexes(points) { - var n = points.length, - indexes = [0, 1], - size = 2; + const n = points.length, + indexes = [0, 1]; + let size = 2, i; - for (var i = 2; i < n; ++i) { + for (i = 2; i < n; ++i) { while (size > 1 && cross$1(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size; indexes[size++] = i; } @@ -12018,7 +13655,7 @@ function hull(points) { return hull; } -function contains$2(polygon, point) { +function contains(polygon, point) { var n = polygon.length, p = polygon[n - 1], x = point[0], y = point[1], @@ -12035,7 +13672,7 @@ function contains$2(polygon, point) { return inside; } -function length$2(polygon) { +function length(polygon) { var i = -1, n = polygon.length, b = polygon[n - 1], @@ -12053,15 +13690,13 @@ function length$2(polygon) { yb = b[1]; xa -= xb; ya -= yb; - perimeter += Math.sqrt(xa * xa + ya * ya); + perimeter += Math.hypot(xa, ya); } return perimeter; } -function defaultSource$1() { - return Math.random(); -} +var defaultSource = Math.random; var uniform = (function sourceRandomUniform(source) { function randomUniform(min, max) { @@ -12077,7 +13712,22 @@ var uniform = (function sourceRandomUniform(source) { randomUniform.source = sourceRandomUniform; return randomUniform; -})(defaultSource$1); +})(defaultSource); + +var int = (function sourceRandomInt(source) { + function randomInt(min, max) { + if (arguments.length < 2) max = min, min = 0; + min = Math.floor(min); + max = Math.floor(max) - min; + return function() { + return Math.floor(source() * max + min); + }; + } + + randomInt.source = sourceRandomInt; + + return randomInt; +})(defaultSource); var normal = (function sourceRandomNormal(source) { function randomNormal(mu, sigma) { @@ -12104,11 +13754,13 @@ var normal = (function sourceRandomNormal(source) { randomNormal.source = sourceRandomNormal; return randomNormal; -})(defaultSource$1); +})(defaultSource); var logNormal = (function sourceRandomLogNormal(source) { + var N = normal.source(source); + function randomLogNormal() { - var randomNormal = normal.source(source).apply(this, arguments); + var randomNormal = N.apply(this, arguments); return function() { return Math.exp(randomNormal()); }; @@ -12117,24 +13769,29 @@ var logNormal = (function sourceRandomLogNormal(source) { randomLogNormal.source = sourceRandomLogNormal; return randomLogNormal; -})(defaultSource$1); +})(defaultSource); var irwinHall = (function sourceRandomIrwinHall(source) { function randomIrwinHall(n) { + if ((n = +n) <= 0) return () => 0; return function() { - for (var sum = 0, i = 0; i < n; ++i) sum += source(); - return sum; + for (var sum = 0, i = n; i > 1; --i) sum += source(); + return sum + i * source(); }; } randomIrwinHall.source = sourceRandomIrwinHall; return randomIrwinHall; -})(defaultSource$1); +})(defaultSource); var bates = (function sourceRandomBates(source) { + var I = irwinHall.source(source); + function randomBates(n) { - var randomIrwinHall = irwinHall.source(source)(n); + // use limiting distribution at n === 0 + if ((n = +n) === 0) return source; + var randomIrwinHall = I(n); return function() { return randomIrwinHall() / n; }; @@ -12143,19 +13800,230 @@ var bates = (function sourceRandomBates(source) { randomBates.source = sourceRandomBates; return randomBates; -})(defaultSource$1); +})(defaultSource); -var exponential$1 = (function sourceRandomExponential(source) { +var exponential = (function sourceRandomExponential(source) { function randomExponential(lambda) { return function() { - return -Math.log(1 - source()) / lambda; + return -Math.log1p(-source()) / lambda; }; } randomExponential.source = sourceRandomExponential; return randomExponential; -})(defaultSource$1); +})(defaultSource); + +var pareto = (function sourceRandomPareto(source) { + function randomPareto(alpha) { + if ((alpha = +alpha) < 0) throw new RangeError("invalid alpha"); + alpha = 1 / -alpha; + return function() { + return Math.pow(1 - source(), alpha); + }; + } + + randomPareto.source = sourceRandomPareto; + + return randomPareto; +})(defaultSource); + +var bernoulli = (function sourceRandomBernoulli(source) { + function randomBernoulli(p) { + if ((p = +p) < 0 || p > 1) throw new RangeError("invalid p"); + return function() { + return Math.floor(source() + p); + }; + } + + randomBernoulli.source = sourceRandomBernoulli; + + return randomBernoulli; +})(defaultSource); + +var geometric = (function sourceRandomGeometric(source) { + function randomGeometric(p) { + if ((p = +p) < 0 || p > 1) throw new RangeError("invalid p"); + if (p === 0) return () => Infinity; + if (p === 1) return () => 1; + p = Math.log1p(-p); + return function() { + return 1 + Math.floor(Math.log1p(-source()) / p); + }; + } + + randomGeometric.source = sourceRandomGeometric; + + return randomGeometric; +})(defaultSource); + +var gamma = (function sourceRandomGamma(source) { + var randomNormal = normal.source(source)(); + + function randomGamma(k, theta) { + if ((k = +k) < 0) throw new RangeError("invalid k"); + // degenerate distribution if k === 0 + if (k === 0) return () => 0; + theta = theta == null ? 1 : +theta; + // exponential distribution if k === 1 + if (k === 1) return () => -Math.log1p(-source()) * theta; + + var d = (k < 1 ? k + 1 : k) - 1 / 3, + c = 1 / (3 * Math.sqrt(d)), + multiplier = k < 1 ? () => Math.pow(source(), 1 / k) : () => 1; + return function() { + do { + do { + var x = randomNormal(), + v = 1 + c * x; + } while (v <= 0); + v *= v * v; + var u = 1 - source(); + } while (u >= 1 - 0.0331 * x * x * x * x && Math.log(u) >= 0.5 * x * x + d * (1 - v + Math.log(v))); + return d * v * multiplier() * theta; + }; + } + + randomGamma.source = sourceRandomGamma; + + return randomGamma; +})(defaultSource); + +var beta = (function sourceRandomBeta(source) { + var G = gamma.source(source); + + function randomBeta(alpha, beta) { + var X = G(alpha), + Y = G(beta); + return function() { + var x = X(); + return x === 0 ? 0 : x / (x + Y()); + }; + } + + randomBeta.source = sourceRandomBeta; + + return randomBeta; +})(defaultSource); + +var binomial = (function sourceRandomBinomial(source) { + var G = geometric.source(source), + B = beta.source(source); + + function randomBinomial(n, p) { + n = +n; + if ((p = +p) >= 1) return () => n; + if (p <= 0) return () => 0; + return function() { + var acc = 0, nn = n, pp = p; + while (nn * pp > 16 && nn * (1 - pp) > 16) { + var i = Math.floor((nn + 1) * pp), + y = B(i, nn - i + 1)(); + if (y <= pp) { + acc += i; + nn -= i; + pp = (pp - y) / (1 - y); + } else { + nn = i - 1; + pp /= y; + } + } + var sign = pp < 0.5, + pFinal = sign ? pp : 1 - pp, + g = G(pFinal); + for (var s = g(), k = 0; s <= nn; ++k) s += g(); + return acc + (sign ? k : nn - k); + }; + } + + randomBinomial.source = sourceRandomBinomial; + + return randomBinomial; +})(defaultSource); + +var weibull = (function sourceRandomWeibull(source) { + function randomWeibull(k, a, b) { + var outerFunc; + if ((k = +k) === 0) { + outerFunc = x => -Math.log(x); + } else { + k = 1 / k; + outerFunc = x => Math.pow(x, k); + } + a = a == null ? 0 : +a; + b = b == null ? 1 : +b; + return function() { + return a + b * outerFunc(-Math.log1p(-source())); + }; + } + + randomWeibull.source = sourceRandomWeibull; + + return randomWeibull; +})(defaultSource); + +var cauchy = (function sourceRandomCauchy(source) { + function randomCauchy(a, b) { + a = a == null ? 0 : +a; + b = b == null ? 1 : +b; + return function() { + return a + b * Math.tan(Math.PI * source()); + }; + } + + randomCauchy.source = sourceRandomCauchy; + + return randomCauchy; +})(defaultSource); + +var logistic = (function sourceRandomLogistic(source) { + function randomLogistic(a, b) { + a = a == null ? 0 : +a; + b = b == null ? 1 : +b; + return function() { + var u = source(); + return a + b * Math.log(u / (1 - u)); + }; + } + + randomLogistic.source = sourceRandomLogistic; + + return randomLogistic; +})(defaultSource); + +var poisson = (function sourceRandomPoisson(source) { + var G = gamma.source(source), + B = binomial.source(source); + + function randomPoisson(lambda) { + return function() { + var acc = 0, l = lambda; + while (l > 16) { + var n = Math.floor(0.875 * l), + t = G(n)(); + if (t > l) return acc + B(n - 1, l / t)(); + acc += n; + l -= t; + } + for (var s = -Math.log1p(-source()), k = 0; s <= l; ++k) s -= Math.log1p(-source()); + return acc + k; + }; + } + + randomPoisson.source = sourceRandomPoisson; + + return randomPoisson; +})(defaultSource); + +// https://en.wikipedia.org/wiki/Linear_congruential_generator#Parameters_in_common_use +const mul = 0x19660D; +const inc = 0x3C6EF35F; +const eps = 1 / 0x100000000; + +function lcg(seed = Math.random()) { + let state = (0 <= seed && seed < 1 ? seed / eps : Math.abs(seed)) | 0; + return () => (state = mul * state + inc | 0, eps * (state >>> 0)); +} function initRange(domain, range) { switch (arguments.length) { @@ -12169,21 +14037,25 @@ function initRange(domain, range) { function initInterpolator(domain, interpolator) { switch (arguments.length) { case 0: break; - case 1: this.interpolator(domain); break; - default: this.interpolator(interpolator).domain(domain); break; + case 1: { + if (typeof domain === "function") this.interpolator(domain); + else this.range(domain); + break; + } + default: { + this.domain(domain); + if (typeof interpolator === "function") this.interpolator(interpolator); + else this.range(interpolator); + break; + } } return this; } -var array$3 = Array.prototype; - -var map$3 = array$3.map; -var slice$5 = array$3.slice; - -var implicit = {name: "implicit"}; +const implicit = Symbol("implicit"); function ordinal() { - var index = map$1(), + var index = new Map(), domain = [], range = [], unknown = implicit; @@ -12199,14 +14071,17 @@ function ordinal() { scale.domain = function(_) { if (!arguments.length) return domain.slice(); - domain = [], index = map$1(); - var i = -1, n = _.length, d, key; - while (++i < n) if (!index.has(key = (d = _[i]) + "")) index.set(key, domain.push(d)); + domain = [], index = new Map(); + for (const value of _) { + const key = value + ""; + if (index.has(key)) continue; + index.set(key, domain.push(value)); + } return scale; }; scale.range = function(_) { - return arguments.length ? (range = slice$5.call(_), scale) : range.slice(); + return arguments.length ? (range = Array.from(_), scale) : range.slice(); }; scale.unknown = function(_) { @@ -12226,7 +14101,8 @@ function band() { var scale = ordinal().unknown(undefined), domain = scale.domain, ordinalRange = scale.range, - range = [0, 1], + r0 = 0, + r1 = 1, step, bandwidth, round = false, @@ -12238,9 +14114,9 @@ function band() { function rescale() { var n = domain().length, - reverse = range[1] < range[0], - start = range[reverse - 0], - stop = range[1 - reverse]; + reverse = r1 < r0, + start = reverse ? r1 : r0, + stop = reverse ? r0 : r1; step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); if (round) step = Math.floor(step); start += (stop - start - step * (n - paddingInner)) * align; @@ -12255,11 +14131,11 @@ function band() { }; scale.range = function(_) { - return arguments.length ? (range = [+_[0], +_[1]], rescale()) : range.slice(); + return arguments.length ? ([r0, r1] = _, r0 = +r0, r1 = +r1, rescale()) : [r0, r1]; }; scale.rangeRound = function(_) { - return range = [+_[0], +_[1]], round = true, rescale(); + return [r0, r1] = _, r0 = +r0, r1 = +r1, round = true, rescale(); }; scale.bandwidth = function() { @@ -12291,7 +14167,7 @@ function band() { }; scale.copy = function() { - return band(domain(), range) + return band(domain(), [r0, r1]) .round(round) .paddingInner(paddingInner) .paddingOuter(paddingOuter) @@ -12315,34 +14191,34 @@ function pointish(scale) { return scale; } -function point$1() { +function point$4() { return pointish(band.apply(null, arguments).paddingInner(1)); } -function constant$a(x) { +function constants(x) { return function() { return x; }; } -function number$2(x) { +function number$1(x) { return +x; } var unit = [0, 1]; -function identity$6(x) { +function identity$3(x) { return x; } function normalize(a, b) { return (b -= (a = +a)) ? function(x) { return (x - a) / b; } - : constant$a(isNaN(b) ? NaN : 0.5); + : constants(isNaN(b) ? NaN : 0.5); } -function clamper(domain) { - var a = domain[0], b = domain[domain.length - 1], t; +function clamper(a, b) { + var t; if (a > b) t = a, a = b, b = t; return function(x) { return Math.max(a, Math.min(b, x)); }; } @@ -12379,7 +14255,7 @@ function polymap(domain, range, interpolate) { }; } -function copy(source, target) { +function copy$1(source, target) { return target .domain(source.domain()) .range(source.range()) @@ -12388,26 +14264,28 @@ function copy(source, target) { .unknown(source.unknown()); } -function transformer$1() { +function transformer$2() { var domain = unit, range = unit, - interpolate = interpolateValue, + interpolate = interpolate$2, transform, untransform, unknown, - clamp = identity$6, + clamp = identity$3, piecewise, output, input; function rescale() { - piecewise = Math.min(domain.length, range.length) > 2 ? polymap : bimap; + var n = Math.min(domain.length, range.length); + if (clamp !== identity$3) clamp = clamper(domain[0], domain[n - 1]); + piecewise = n > 2 ? polymap : bimap; output = input = null; return scale; } function scale(x) { - return isNaN(x = +x) ? unknown : (output || (output = piecewise(domain.map(transform), range, interpolate)))(transform(clamp(x))); + return x == null || isNaN(x = +x) ? unknown : (output || (output = piecewise(domain.map(transform), range, interpolate)))(transform(clamp(x))); } scale.invert = function(y) { @@ -12415,19 +14293,19 @@ function transformer$1() { }; scale.domain = function(_) { - return arguments.length ? (domain = map$3.call(_, number$2), clamp === identity$6 || (clamp = clamper(domain)), rescale()) : domain.slice(); + return arguments.length ? (domain = Array.from(_, number$1), rescale()) : domain.slice(); }; scale.range = function(_) { - return arguments.length ? (range = slice$5.call(_), rescale()) : range.slice(); + return arguments.length ? (range = Array.from(_), rescale()) : range.slice(); }; scale.rangeRound = function(_) { - return range = slice$5.call(_), interpolate = interpolateRound, rescale(); + return range = Array.from(_), interpolate = interpolateRound, rescale(); }; scale.clamp = function(_) { - return arguments.length ? (clamp = _ ? clamper(domain) : identity$6, scale) : clamp !== identity$6; + return arguments.length ? (clamp = _ ? true : identity$3, rescale()) : clamp !== identity$3; }; scale.interpolate = function(_) { @@ -12444,8 +14322,8 @@ function transformer$1() { }; } -function continuous(transform, untransform) { - return transformer$1()(transform, untransform); +function continuous() { + return transformer$2()(identity$3, identity$3); } function tickFormat(start, stop, count, specifier) { @@ -12491,38 +14369,36 @@ function linearish(scale) { scale.nice = function(count) { if (count == null) count = 10; - var d = domain(), - i0 = 0, - i1 = d.length - 1, - start = d[i0], - stop = d[i1], - step; + var d = domain(); + var i0 = 0; + var i1 = d.length - 1; + var start = d[i0]; + var stop = d[i1]; + var prestep; + var step; + var maxIter = 10; if (stop < start) { step = start, start = stop, stop = step; step = i0, i0 = i1, i1 = step; } - - step = tickIncrement(start, stop, count); - - if (step > 0) { - start = Math.floor(start / step) * step; - stop = Math.ceil(stop / step) * step; + + while (maxIter-- > 0) { step = tickIncrement(start, stop, count); - } else if (step < 0) { - start = Math.ceil(start * step) / step; - stop = Math.floor(stop * step) / step; - step = tickIncrement(start, stop, count); - } - - if (step > 0) { - d[i0] = Math.floor(start / step) * step; - d[i1] = Math.ceil(stop / step) * step; - domain(d); - } else if (step < 0) { - d[i0] = Math.ceil(start * step) / step; - d[i1] = Math.floor(stop * step) / step; - domain(d); + if (step === prestep) { + d[i0] = start; + d[i1] = stop; + return domain(d); + } else if (step > 0) { + start = Math.floor(start / step) * step; + stop = Math.ceil(stop / step) * step; + } else if (step < 0) { + start = Math.ceil(start * step) / step; + stop = Math.floor(stop * step) / step; + } else { + break; + } + prestep = step; } return scale; @@ -12531,11 +14407,11 @@ function linearish(scale) { return scale; } -function linear$2() { - var scale = continuous(identity$6, identity$6); +function linear() { + var scale = continuous(); scale.copy = function() { - return copy(scale, linear$2()); + return copy$1(scale, linear()); }; initRange.apply(scale, arguments); @@ -12543,17 +14419,17 @@ function linear$2() { return linearish(scale); } -function identity$7(domain) { +function identity$2(domain) { var unknown; function scale(x) { - return isNaN(x = +x) ? unknown : x; + return x == null || isNaN(x = +x) ? unknown : x; } scale.invert = scale; scale.domain = scale.range = function(_) { - return arguments.length ? (domain = map$3.call(_, number$2), scale) : domain.slice(); + return arguments.length ? (domain = Array.from(_, number$1), scale) : domain.slice(); }; scale.unknown = function(_) { @@ -12561,10 +14437,10 @@ function identity$7(domain) { }; scale.copy = function() { - return identity$7(domain).unknown(unknown); + return identity$2(domain).unknown(unknown); }; - domain = arguments.length ? map$3.call(domain, number$2) : [0, 1]; + domain = arguments.length ? Array.from(domain, number$1) : [0, 1]; return linearish(scale); } @@ -12670,15 +14546,15 @@ function loggish(transform) { z = []; if (!(base % 1) && j - i < n) { - i = Math.round(i) - 1, j = Math.round(j) + 1; - if (u > 0) for (; i < j; ++i) { + i = Math.floor(i), j = Math.ceil(j); + if (u > 0) for (; i <= j; ++i) { for (k = 1, p = pows(i); k < base; ++k) { t = p * k; if (t < u) continue; if (t > v) break; z.push(t); } - } else for (; i < j; ++i) { + } else for (; i <= j; ++i) { for (k = base - 1, p = pows(i); k >= 1; --k) { t = p * k; if (t < u) continue; @@ -12686,6 +14562,7 @@ function loggish(transform) { z.push(t); } } + if (z.length * 2 < n) z = ticks(u, v, n); } else { z = ticks(i, j, Math.min(j - i, n)).map(pows); } @@ -12716,11 +14593,11 @@ function loggish(transform) { return scale; } -function log$1() { - var scale = loggish(transformer$1()).domain([1, 10]); +function log() { + var scale = loggish(transformer$2()).domain([1, 10]); scale.copy = function() { - return copy(scale, log$1()).base(scale.base()); + return copy$1(scale, log()).base(scale.base()); }; initRange.apply(scale, arguments); @@ -12741,2870 +14618,2400 @@ function transformSymexp(c) { } function symlogish(transform) { - var c = 1, scale = transform(transformSymlog(c), transformSymexp(c)); - - scale.constant = function(_) { - return arguments.length ? transform(transformSymlog(c = +_), transformSymexp(c)) : c; - }; - - return linearish(scale); -} - -function symlog() { - var scale = symlogish(transformer$1()); - - scale.copy = function() { - return copy(scale, symlog()).constant(scale.constant()); - }; - - return initRange.apply(scale, arguments); -} - -function transformPow(exponent) { - return function(x) { - return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); - }; -} - -function transformSqrt(x) { - return x < 0 ? -Math.sqrt(-x) : Math.sqrt(x); -} - -function transformSquare(x) { - return x < 0 ? -x * x : x * x; -} - -function powish(transform) { - var scale = transform(identity$6, identity$6), - exponent = 1; - - function rescale() { - return exponent === 1 ? transform(identity$6, identity$6) - : exponent === 0.5 ? transform(transformSqrt, transformSquare) - : transform(transformPow(exponent), transformPow(1 / exponent)); - } - - scale.exponent = function(_) { - return arguments.length ? (exponent = +_, rescale()) : exponent; - }; - - return linearish(scale); -} - -function pow$1() { - var scale = powish(transformer$1()); - - scale.copy = function() { - return copy(scale, pow$1()).exponent(scale.exponent()); - }; - - initRange.apply(scale, arguments); - - return scale; -} - -function sqrt$1() { - return pow$1.apply(null, arguments).exponent(0.5); -} - -function quantile() { - var domain = [], - range = [], - thresholds = [], - unknown; - - function rescale() { - var i = 0, n = Math.max(1, range.length); - thresholds = new Array(n - 1); - while (++i < n) thresholds[i - 1] = threshold(domain, i / n); - return scale; - } - - function scale(x) { - return isNaN(x = +x) ? unknown : range[bisectRight(thresholds, x)]; - } - - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return i < 0 ? [NaN, NaN] : [ - i > 0 ? thresholds[i - 1] : domain[0], - i < thresholds.length ? thresholds[i] : domain[domain.length - 1] - ]; - }; - - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = []; - for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); - domain.sort(ascending); - return rescale(); - }; - - scale.range = function(_) { - return arguments.length ? (range = slice$5.call(_), rescale()) : range.slice(); - }; - - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; - - scale.quantiles = function() { - return thresholds.slice(); - }; - - scale.copy = function() { - return quantile() - .domain(domain) - .range(range) - .unknown(unknown); - }; - - return initRange.apply(scale, arguments); -} - -function quantize$1() { - var x0 = 0, - x1 = 1, - n = 1, - domain = [0.5], - range = [0, 1], - unknown; - - function scale(x) { - return x <= x ? range[bisectRight(domain, x, 0, n)] : unknown; - } - - function rescale() { - var i = -1; - domain = new Array(n); - while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1); - return scale; - } - - scale.domain = function(_) { - return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1]; - }; - - scale.range = function(_) { - return arguments.length ? (n = (range = slice$5.call(_)).length - 1, rescale()) : range.slice(); - }; - - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return i < 0 ? [NaN, NaN] - : i < 1 ? [x0, domain[0]] - : i >= n ? [domain[n - 1], x1] - : [domain[i - 1], domain[i]]; - }; - - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : scale; - }; - - scale.thresholds = function() { - return domain.slice(); - }; - - scale.copy = function() { - return quantize$1() - .domain([x0, x1]) - .range(range) - .unknown(unknown); - }; - - return initRange.apply(linearish(scale), arguments); -} - -function threshold$1() { - var domain = [0.5], - range = [0, 1], - unknown, - n = 1; - - function scale(x) { - return x <= x ? range[bisectRight(domain, x, 0, n)] : unknown; - } - - scale.domain = function(_) { - return arguments.length ? (domain = slice$5.call(_), n = Math.min(domain.length, range.length - 1), scale) : domain.slice(); - }; - - scale.range = function(_) { - return arguments.length ? (range = slice$5.call(_), n = Math.min(domain.length, range.length - 1), scale) : range.slice(); - }; - - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return [domain[i - 1], domain[i]]; - }; - - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; - - scale.copy = function() { - return threshold$1() - .domain(domain) - .range(range) - .unknown(unknown); - }; - - return initRange.apply(scale, arguments); -} - -var t0$1 = new Date, - t1$1 = new Date; - -function newInterval(floori, offseti, count, field) { - - function interval(date) { - return floori(date = arguments.length === 0 ? new Date : new Date(+date)), date; - } - - interval.floor = function(date) { - return floori(date = new Date(+date)), date; - }; - - interval.ceil = function(date) { - return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; - }; - - interval.round = function(date) { - var d0 = interval(date), - d1 = interval.ceil(date); - return date - d0 < d1 - date ? d0 : d1; - }; - - interval.offset = function(date, step) { - return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; - }; - - interval.range = function(start, stop, step) { - var range = [], previous; - start = interval.ceil(start); - step = step == null ? 1 : Math.floor(step); - if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date - do range.push(previous = new Date(+start)), offseti(start, step), floori(start); - while (previous < start && start < stop); - return range; - }; - - interval.filter = function(test) { - return newInterval(function(date) { - if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1); - }, function(date, step) { - if (date >= date) { - if (step < 0) while (++step <= 0) { - while (offseti(date, -1), !test(date)) {} // eslint-disable-line no-empty - } else while (--step >= 0) { - while (offseti(date, +1), !test(date)) {} // eslint-disable-line no-empty - } - } - }); - }; - - if (count) { - interval.count = function(start, end) { - t0$1.setTime(+start), t1$1.setTime(+end); - floori(t0$1), floori(t1$1); - return Math.floor(count(t0$1, t1$1)); - }; - - interval.every = function(step) { - step = Math.floor(step); - return !isFinite(step) || !(step > 0) ? null - : !(step > 1) ? interval - : interval.filter(field - ? function(d) { return field(d) % step === 0; } - : function(d) { return interval.count(0, d) % step === 0; }); - }; - } - - return interval; -} - -var millisecond = newInterval(function() { - // noop -}, function(date, step) { - date.setTime(+date + step); -}, function(start, end) { - return end - start; -}); - -// An optimized implementation for this simple case. -millisecond.every = function(k) { - k = Math.floor(k); - if (!isFinite(k) || !(k > 0)) return null; - if (!(k > 1)) return millisecond; - return newInterval(function(date) { - date.setTime(Math.floor(date / k) * k); - }, function(date, step) { - date.setTime(+date + step * k); - }, function(start, end) { - return (end - start) / k; - }); -}; -var milliseconds = millisecond.range; - -var durationSecond = 1e3; -var durationMinute = 6e4; -var durationHour = 36e5; -var durationDay = 864e5; -var durationWeek = 6048e5; - -var second = newInterval(function(date) { - date.setTime(date - date.getMilliseconds()); -}, function(date, step) { - date.setTime(+date + step * durationSecond); -}, function(start, end) { - return (end - start) / durationSecond; -}, function(date) { - return date.getUTCSeconds(); -}); -var seconds = second.range; - -var minute = newInterval(function(date) { - date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond); -}, function(date, step) { - date.setTime(+date + step * durationMinute); -}, function(start, end) { - return (end - start) / durationMinute; -}, function(date) { - return date.getMinutes(); -}); -var minutes = minute.range; - -var hour = newInterval(function(date) { - date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond - date.getMinutes() * durationMinute); -}, function(date, step) { - date.setTime(+date + step * durationHour); -}, function(start, end) { - return (end - start) / durationHour; -}, function(date) { - return date.getHours(); -}); -var hours = hour.range; - -var day = newInterval(function(date) { - date.setHours(0, 0, 0, 0); -}, function(date, step) { - date.setDate(date.getDate() + step); -}, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay; -}, function(date) { - return date.getDate() - 1; -}); -var days = day.range; - -function weekday(i) { - return newInterval(function(date) { - date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setDate(date.getDate() + step * 7); - }, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; - }); -} - -var sunday = weekday(0); -var monday = weekday(1); -var tuesday = weekday(2); -var wednesday = weekday(3); -var thursday = weekday(4); -var friday = weekday(5); -var saturday = weekday(6); - -var sundays = sunday.range; -var mondays = monday.range; -var tuesdays = tuesday.range; -var wednesdays = wednesday.range; -var thursdays = thursday.range; -var fridays = friday.range; -var saturdays = saturday.range; - -var month = newInterval(function(date) { - date.setDate(1); - date.setHours(0, 0, 0, 0); -}, function(date, step) { - date.setMonth(date.getMonth() + step); -}, function(start, end) { - return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; -}, function(date) { - return date.getMonth(); -}); -var months = month.range; - -var year = newInterval(function(date) { - date.setMonth(0, 1); - date.setHours(0, 0, 0, 0); -}, function(date, step) { - date.setFullYear(date.getFullYear() + step); -}, function(start, end) { - return end.getFullYear() - start.getFullYear(); -}, function(date) { - return date.getFullYear(); -}); - -// An optimized implementation for this simple case. -year.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { - date.setFullYear(Math.floor(date.getFullYear() / k) * k); - date.setMonth(0, 1); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setFullYear(date.getFullYear() + step * k); - }); -}; -var years = year.range; - -var utcMinute = newInterval(function(date) { - date.setUTCSeconds(0, 0); -}, function(date, step) { - date.setTime(+date + step * durationMinute); -}, function(start, end) { - return (end - start) / durationMinute; -}, function(date) { - return date.getUTCMinutes(); -}); -var utcMinutes = utcMinute.range; - -var utcHour = newInterval(function(date) { - date.setUTCMinutes(0, 0, 0); -}, function(date, step) { - date.setTime(+date + step * durationHour); -}, function(start, end) { - return (end - start) / durationHour; -}, function(date) { - return date.getUTCHours(); -}); -var utcHours = utcHour.range; - -var utcDay = newInterval(function(date) { - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCDate(date.getUTCDate() + step); -}, function(start, end) { - return (end - start) / durationDay; -}, function(date) { - return date.getUTCDate() - 1; -}); -var utcDays = utcDay.range; - -function utcWeekday(i) { - return newInterval(function(date) { - date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCDate(date.getUTCDate() + step * 7); - }, function(start, end) { - return (end - start) / durationWeek; - }); -} - -var utcSunday = utcWeekday(0); -var utcMonday = utcWeekday(1); -var utcTuesday = utcWeekday(2); -var utcWednesday = utcWeekday(3); -var utcThursday = utcWeekday(4); -var utcFriday = utcWeekday(5); -var utcSaturday = utcWeekday(6); - -var utcSundays = utcSunday.range; -var utcMondays = utcMonday.range; -var utcTuesdays = utcTuesday.range; -var utcWednesdays = utcWednesday.range; -var utcThursdays = utcThursday.range; -var utcFridays = utcFriday.range; -var utcSaturdays = utcSaturday.range; - -var utcMonth = newInterval(function(date) { - date.setUTCDate(1); - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCMonth(date.getUTCMonth() + step); -}, function(start, end) { - return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; -}, function(date) { - return date.getUTCMonth(); -}); -var utcMonths = utcMonth.range; - -var utcYear = newInterval(function(date) { - date.setUTCMonth(0, 1); - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCFullYear(date.getUTCFullYear() + step); -}, function(start, end) { - return end.getUTCFullYear() - start.getUTCFullYear(); -}, function(date) { - return date.getUTCFullYear(); -}); - -// An optimized implementation for this simple case. -utcYear.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { - date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); - date.setUTCMonth(0, 1); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCFullYear(date.getUTCFullYear() + step * k); - }); -}; -var utcYears = utcYear.range; - -function localDate(d) { - if (0 <= d.y && d.y < 100) { - var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); - date.setFullYear(d.y); - return date; - } - return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L); -} - -function utcDate(d) { - if (0 <= d.y && d.y < 100) { - var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L)); - date.setUTCFullYear(d.y); - return date; - } - return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); -} - -function newDate(y, m, d) { - return {y: y, m: m, d: d, H: 0, M: 0, S: 0, L: 0}; -} - -function formatLocale$1(locale) { - var locale_dateTime = locale.dateTime, - locale_date = locale.date, - locale_time = locale.time, - locale_periods = locale.periods, - locale_weekdays = locale.days, - locale_shortWeekdays = locale.shortDays, - locale_months = locale.months, - locale_shortMonths = locale.shortMonths; - - var periodRe = formatRe(locale_periods), - periodLookup = formatLookup(locale_periods), - weekdayRe = formatRe(locale_weekdays), - weekdayLookup = formatLookup(locale_weekdays), - shortWeekdayRe = formatRe(locale_shortWeekdays), - shortWeekdayLookup = formatLookup(locale_shortWeekdays), - monthRe = formatRe(locale_months), - monthLookup = formatLookup(locale_months), - shortMonthRe = formatRe(locale_shortMonths), - shortMonthLookup = formatLookup(locale_shortMonths); - - var formats = { - "a": formatShortWeekday, - "A": formatWeekday, - "b": formatShortMonth, - "B": formatMonth, - "c": null, - "d": formatDayOfMonth, - "e": formatDayOfMonth, - "f": formatMicroseconds, - "H": formatHour24, - "I": formatHour12, - "j": formatDayOfYear, - "L": formatMilliseconds, - "m": formatMonthNumber, - "M": formatMinutes, - "p": formatPeriod, - "q": formatQuarter, - "Q": formatUnixTimestamp, - "s": formatUnixTimestampSeconds, - "S": formatSeconds, - "u": formatWeekdayNumberMonday, - "U": formatWeekNumberSunday, - "V": formatWeekNumberISO, - "w": formatWeekdayNumberSunday, - "W": formatWeekNumberMonday, - "x": null, - "X": null, - "y": formatYear$1, - "Y": formatFullYear, - "Z": formatZone, - "%": formatLiteralPercent - }; - - var utcFormats = { - "a": formatUTCShortWeekday, - "A": formatUTCWeekday, - "b": formatUTCShortMonth, - "B": formatUTCMonth, - "c": null, - "d": formatUTCDayOfMonth, - "e": formatUTCDayOfMonth, - "f": formatUTCMicroseconds, - "H": formatUTCHour24, - "I": formatUTCHour12, - "j": formatUTCDayOfYear, - "L": formatUTCMilliseconds, - "m": formatUTCMonthNumber, - "M": formatUTCMinutes, - "p": formatUTCPeriod, - "q": formatUTCQuarter, - "Q": formatUnixTimestamp, - "s": formatUnixTimestampSeconds, - "S": formatUTCSeconds, - "u": formatUTCWeekdayNumberMonday, - "U": formatUTCWeekNumberSunday, - "V": formatUTCWeekNumberISO, - "w": formatUTCWeekdayNumberSunday, - "W": formatUTCWeekNumberMonday, - "x": null, - "X": null, - "y": formatUTCYear, - "Y": formatUTCFullYear, - "Z": formatUTCZone, - "%": formatLiteralPercent + var c = 1, scale = transform(transformSymlog(c), transformSymexp(c)); + + scale.constant = function(_) { + return arguments.length ? transform(transformSymlog(c = +_), transformSymexp(c)) : c; }; - var parses = { - "a": parseShortWeekday, - "A": parseWeekday, - "b": parseShortMonth, - "B": parseMonth, - "c": parseLocaleDateTime, - "d": parseDayOfMonth, - "e": parseDayOfMonth, - "f": parseMicroseconds, - "H": parseHour24, - "I": parseHour24, - "j": parseDayOfYear, - "L": parseMilliseconds, - "m": parseMonthNumber, - "M": parseMinutes, - "p": parsePeriod, - "q": parseQuarter, - "Q": parseUnixTimestamp, - "s": parseUnixTimestampSeconds, - "S": parseSeconds, - "u": parseWeekdayNumberMonday, - "U": parseWeekNumberSunday, - "V": parseWeekNumberISO, - "w": parseWeekdayNumberSunday, - "W": parseWeekNumberMonday, - "x": parseLocaleDate, - "X": parseLocaleTime, - "y": parseYear, - "Y": parseFullYear, - "Z": parseZone, - "%": parseLiteralPercent + return linearish(scale); +} + +function symlog() { + var scale = symlogish(transformer$2()); + + scale.copy = function() { + return copy$1(scale, symlog()).constant(scale.constant()); }; - // These recursive directive definitions must be deferred. - formats.x = newFormat(locale_date, formats); - formats.X = newFormat(locale_time, formats); - formats.c = newFormat(locale_dateTime, formats); - utcFormats.x = newFormat(locale_date, utcFormats); - utcFormats.X = newFormat(locale_time, utcFormats); - utcFormats.c = newFormat(locale_dateTime, utcFormats); + return initRange.apply(scale, arguments); +} - function newFormat(specifier, formats) { - return function(date) { - var string = [], - i = -1, - j = 0, - n = specifier.length, - c, - pad, - format; +function transformPow(exponent) { + return function(x) { + return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); + }; +} - if (!(date instanceof Date)) date = new Date(+date); +function transformSqrt(x) { + return x < 0 ? -Math.sqrt(-x) : Math.sqrt(x); +} - while (++i < n) { - if (specifier.charCodeAt(i) === 37) { - string.push(specifier.slice(j, i)); - if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i); - else pad = c === "e" ? " " : "0"; - if (format = formats[c]) c = format(date, pad); - string.push(c); - j = i + 1; - } - } +function transformSquare(x) { + return x < 0 ? -x * x : x * x; +} - string.push(specifier.slice(j, i)); - return string.join(""); - }; +function powish(transform) { + var scale = transform(identity$3, identity$3), + exponent = 1; + + function rescale() { + return exponent === 1 ? transform(identity$3, identity$3) + : exponent === 0.5 ? transform(transformSqrt, transformSquare) + : transform(transformPow(exponent), transformPow(1 / exponent)); } - function newParse(specifier, Z) { - return function(string) { - var d = newDate(1900, undefined, 1), - i = parseSpecifier(d, specifier, string += "", 0), - week, day$1; - if (i != string.length) return null; + scale.exponent = function(_) { + return arguments.length ? (exponent = +_, rescale()) : exponent; + }; - // If a UNIX timestamp is specified, return it. - if ("Q" in d) return new Date(d.Q); - if ("s" in d) return new Date(d.s * 1000 + ("L" in d ? d.L : 0)); + return linearish(scale); +} - // If this is utcParse, never use the local timezone. - if (Z && !("Z" in d)) d.Z = 0; +function pow() { + var scale = powish(transformer$2()); - // The am-pm flag is 0 for AM, and 1 for PM. - if ("p" in d) d.H = d.H % 12 + d.p * 12; + scale.copy = function() { + return copy$1(scale, pow()).exponent(scale.exponent()); + }; - // If the month was not specified, inherit from the quarter. - if (d.m === undefined) d.m = "q" in d ? d.q : 0; + initRange.apply(scale, arguments); - // Convert day-of-week and week-of-year to day-of-year. - if ("V" in d) { - if (d.V < 1 || d.V > 53) return null; - if (!("w" in d)) d.w = 1; - if ("Z" in d) { - week = utcDate(newDate(d.y, 0, 1)), day$1 = week.getUTCDay(); - week = day$1 > 4 || day$1 === 0 ? utcMonday.ceil(week) : utcMonday(week); - week = utcDay.offset(week, (d.V - 1) * 7); - d.y = week.getUTCFullYear(); - d.m = week.getUTCMonth(); - d.d = week.getUTCDate() + (d.w + 6) % 7; - } else { - week = localDate(newDate(d.y, 0, 1)), day$1 = week.getDay(); - week = day$1 > 4 || day$1 === 0 ? monday.ceil(week) : monday(week); - week = day.offset(week, (d.V - 1) * 7); - d.y = week.getFullYear(); - d.m = week.getMonth(); - d.d = week.getDate() + (d.w + 6) % 7; - } - } else if ("W" in d || "U" in d) { - if (!("w" in d)) d.w = "u" in d ? d.u % 7 : "W" in d ? 1 : 0; - day$1 = "Z" in d ? utcDate(newDate(d.y, 0, 1)).getUTCDay() : localDate(newDate(d.y, 0, 1)).getDay(); - d.m = 0; - d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$1 + 5) % 7 : d.w + d.U * 7 - (day$1 + 6) % 7; - } + return scale; +} - // If a time zone is specified, all fields are interpreted as UTC and then - // offset according to the specified time zone. - if ("Z" in d) { - d.H += d.Z / 100 | 0; - d.M += d.Z % 100; - return utcDate(d); - } +function sqrt$1() { + return pow.apply(null, arguments).exponent(0.5); +} - // Otherwise, all fields are in local time. - return localDate(d); - }; - } +function square$1(x) { + return Math.sign(x) * x * x; +} - function parseSpecifier(d, specifier, string, j) { - var i = 0, - n = specifier.length, - m = string.length, - c, - parse; +function unsquare(x) { + return Math.sign(x) * Math.sqrt(Math.abs(x)); +} - while (i < n) { - if (j >= m) return -1; - c = specifier.charCodeAt(i++); - if (c === 37) { - c = specifier.charAt(i++); - parse = parses[c in pads ? specifier.charAt(i++) : c]; - if (!parse || ((j = parse(d, string, j)) < 0)) return -1; - } else if (c != string.charCodeAt(j++)) { - return -1; - } - } +function radial() { + var squared = continuous(), + range = [0, 1], + round = false, + unknown; - return j; + function scale(x) { + var y = unsquare(squared(x)); + return isNaN(y) ? unknown : round ? Math.round(y) : y; } - function parsePeriod(d, string, i) { - var n = periodRe.exec(string.slice(i)); - return n ? (d.p = periodLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + scale.invert = function(y) { + return squared.invert(square$1(y)); + }; - function parseShortWeekday(d, string, i) { - var n = shortWeekdayRe.exec(string.slice(i)); - return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + scale.domain = function(_) { + return arguments.length ? (squared.domain(_), scale) : squared.domain(); + }; - function parseWeekday(d, string, i) { - var n = weekdayRe.exec(string.slice(i)); - return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + scale.range = function(_) { + return arguments.length ? (squared.range((range = Array.from(_, number$1)).map(square$1)), scale) : range.slice(); + }; - function parseShortMonth(d, string, i) { - var n = shortMonthRe.exec(string.slice(i)); - return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + scale.rangeRound = function(_) { + return scale.range(_).round(true); + }; - function parseMonth(d, string, i) { - var n = monthRe.exec(string.slice(i)); - return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + scale.round = function(_) { + return arguments.length ? (round = !!_, scale) : round; + }; - function parseLocaleDateTime(d, string, i) { - return parseSpecifier(d, locale_dateTime, string, i); - } + scale.clamp = function(_) { + return arguments.length ? (squared.clamp(_), scale) : squared.clamp(); + }; - function parseLocaleDate(d, string, i) { - return parseSpecifier(d, locale_date, string, i); - } + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; - function parseLocaleTime(d, string, i) { - return parseSpecifier(d, locale_time, string, i); - } + scale.copy = function() { + return radial(squared.domain(), range) + .round(round) + .clamp(squared.clamp()) + .unknown(unknown); + }; - function formatShortWeekday(d) { - return locale_shortWeekdays[d.getDay()]; - } + initRange.apply(scale, arguments); - function formatWeekday(d) { - return locale_weekdays[d.getDay()]; - } + return linearish(scale); +} - function formatShortMonth(d) { - return locale_shortMonths[d.getMonth()]; +function quantile() { + var domain = [], + range = [], + thresholds = [], + unknown; + + function rescale() { + var i = 0, n = Math.max(1, range.length); + thresholds = new Array(n - 1); + while (++i < n) thresholds[i - 1] = quantileSorted(domain, i / n); + return scale; } - function formatMonth(d) { - return locale_months[d.getMonth()]; + function scale(x) { + return x == null || isNaN(x = +x) ? unknown : range[bisectRight(thresholds, x)]; } - function formatPeriod(d) { - return locale_periods[+(d.getHours() >= 12)]; - } + scale.invertExtent = function(y) { + var i = range.indexOf(y); + return i < 0 ? [NaN, NaN] : [ + i > 0 ? thresholds[i - 1] : domain[0], + i < thresholds.length ? thresholds[i] : domain[domain.length - 1] + ]; + }; + + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = []; + for (let d of _) if (d != null && !isNaN(d = +d)) domain.push(d); + domain.sort(ascending$3); + return rescale(); + }; + + scale.range = function(_) { + return arguments.length ? (range = Array.from(_), rescale()) : range.slice(); + }; - function formatQuarter(d) { - return 1 + ~~(d.getMonth() / 3); - } + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; - function formatUTCShortWeekday(d) { - return locale_shortWeekdays[d.getUTCDay()]; - } + scale.quantiles = function() { + return thresholds.slice(); + }; - function formatUTCWeekday(d) { - return locale_weekdays[d.getUTCDay()]; - } + scale.copy = function() { + return quantile() + .domain(domain) + .range(range) + .unknown(unknown); + }; - function formatUTCShortMonth(d) { - return locale_shortMonths[d.getUTCMonth()]; - } + return initRange.apply(scale, arguments); +} - function formatUTCMonth(d) { - return locale_months[d.getUTCMonth()]; - } +function quantize() { + var x0 = 0, + x1 = 1, + n = 1, + domain = [0.5], + range = [0, 1], + unknown; - function formatUTCPeriod(d) { - return locale_periods[+(d.getUTCHours() >= 12)]; + function scale(x) { + return x != null && x <= x ? range[bisectRight(domain, x, 0, n)] : unknown; } - function formatUTCQuarter(d) { - return 1 + ~~(d.getUTCMonth() / 3); + function rescale() { + var i = -1; + domain = new Array(n); + while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1); + return scale; } - return { - format: function(specifier) { - var f = newFormat(specifier += "", formats); - f.toString = function() { return specifier; }; - return f; - }, - parse: function(specifier) { - var p = newParse(specifier += "", false); - p.toString = function() { return specifier; }; - return p; - }, - utcFormat: function(specifier) { - var f = newFormat(specifier += "", utcFormats); - f.toString = function() { return specifier; }; - return f; - }, - utcParse: function(specifier) { - var p = newParse(specifier += "", true); - p.toString = function() { return specifier; }; - return p; - } + scale.domain = function(_) { + return arguments.length ? ([x0, x1] = _, x0 = +x0, x1 = +x1, rescale()) : [x0, x1]; }; -} - -var pads = {"-": "", "_": " ", "0": "0"}, - numberRe = /^\s*\d+/, // note: ignores next directive - percentRe = /^%/, - requoteRe = /[\\^$*+?|[\]().{}]/g; - -function pad$1(value, fill, width) { - var sign = value < 0 ? "-" : "", - string = (sign ? -value : value) + "", - length = string.length; - return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); -} -function requote(s) { - return s.replace(requoteRe, "\\$&"); -} + scale.range = function(_) { + return arguments.length ? (n = (range = Array.from(_)).length - 1, rescale()) : range.slice(); + }; -function formatRe(names) { - return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i"); -} + scale.invertExtent = function(y) { + var i = range.indexOf(y); + return i < 0 ? [NaN, NaN] + : i < 1 ? [x0, domain[0]] + : i >= n ? [domain[n - 1], x1] + : [domain[i - 1], domain[i]]; + }; -function formatLookup(names) { - var map = {}, i = -1, n = names.length; - while (++i < n) map[names[i].toLowerCase()] = i; - return map; -} + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : scale; + }; -function parseWeekdayNumberSunday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 1)); - return n ? (d.w = +n[0], i + n[0].length) : -1; -} + scale.thresholds = function() { + return domain.slice(); + }; -function parseWeekdayNumberMonday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 1)); - return n ? (d.u = +n[0], i + n[0].length) : -1; -} + scale.copy = function() { + return quantize() + .domain([x0, x1]) + .range(range) + .unknown(unknown); + }; -function parseWeekNumberSunday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.U = +n[0], i + n[0].length) : -1; + return initRange.apply(linearish(scale), arguments); } -function parseWeekNumberISO(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.V = +n[0], i + n[0].length) : -1; -} +function threshold() { + var domain = [0.5], + range = [0, 1], + unknown, + n = 1; -function parseWeekNumberMonday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.W = +n[0], i + n[0].length) : -1; -} + function scale(x) { + return x != null && x <= x ? range[bisectRight(domain, x, 0, n)] : unknown; + } -function parseFullYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 4)); - return n ? (d.y = +n[0], i + n[0].length) : -1; -} + scale.domain = function(_) { + return arguments.length ? (domain = Array.from(_), n = Math.min(domain.length, range.length - 1), scale) : domain.slice(); + }; -function parseYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1; -} + scale.range = function(_) { + return arguments.length ? (range = Array.from(_), n = Math.min(domain.length, range.length - 1), scale) : range.slice(); + }; -function parseZone(d, string, i) { - var n = /^(Z)|([+-]\d\d)(?::?(\d\d))?/.exec(string.slice(i, i + 6)); - return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; -} + scale.invertExtent = function(y) { + var i = range.indexOf(y); + return [domain[i - 1], domain[i]]; + }; -function parseQuarter(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 1)); - return n ? (d.q = n[0] * 3 - 3, i + n[0].length) : -1; -} + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; -function parseMonthNumber(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.m = n[0] - 1, i + n[0].length) : -1; -} + scale.copy = function() { + return threshold() + .domain(domain) + .range(range) + .unknown(unknown); + }; -function parseDayOfMonth(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.d = +n[0], i + n[0].length) : -1; + return initRange.apply(scale, arguments); } -function parseDayOfYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 3)); - return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1; -} +var t0 = new Date, + t1 = new Date; -function parseHour24(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.H = +n[0], i + n[0].length) : -1; -} +function newInterval(floori, offseti, count, field) { -function parseMinutes(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.M = +n[0], i + n[0].length) : -1; -} + function interval(date) { + return floori(date = arguments.length === 0 ? new Date : new Date(+date)), date; + } -function parseSeconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.S = +n[0], i + n[0].length) : -1; -} + interval.floor = function(date) { + return floori(date = new Date(+date)), date; + }; -function parseMilliseconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 3)); - return n ? (d.L = +n[0], i + n[0].length) : -1; -} + interval.ceil = function(date) { + return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; + }; -function parseMicroseconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 6)); - return n ? (d.L = Math.floor(n[0] / 1000), i + n[0].length) : -1; -} + interval.round = function(date) { + var d0 = interval(date), + d1 = interval.ceil(date); + return date - d0 < d1 - date ? d0 : d1; + }; -function parseLiteralPercent(d, string, i) { - var n = percentRe.exec(string.slice(i, i + 1)); - return n ? i + n[0].length : -1; -} + interval.offset = function(date, step) { + return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; + }; -function parseUnixTimestamp(d, string, i) { - var n = numberRe.exec(string.slice(i)); - return n ? (d.Q = +n[0], i + n[0].length) : -1; -} + interval.range = function(start, stop, step) { + var range = [], previous; + start = interval.ceil(start); + step = step == null ? 1 : Math.floor(step); + if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date + do range.push(previous = new Date(+start)), offseti(start, step), floori(start); + while (previous < start && start < stop); + return range; + }; -function parseUnixTimestampSeconds(d, string, i) { - var n = numberRe.exec(string.slice(i)); - return n ? (d.s = +n[0], i + n[0].length) : -1; -} + interval.filter = function(test) { + return newInterval(function(date) { + if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1); + }, function(date, step) { + if (date >= date) { + if (step < 0) while (++step <= 0) { + while (offseti(date, -1), !test(date)) {} // eslint-disable-line no-empty + } else while (--step >= 0) { + while (offseti(date, +1), !test(date)) {} // eslint-disable-line no-empty + } + } + }); + }; -function formatDayOfMonth(d, p) { - return pad$1(d.getDate(), p, 2); -} + if (count) { + interval.count = function(start, end) { + t0.setTime(+start), t1.setTime(+end); + floori(t0), floori(t1); + return Math.floor(count(t0, t1)); + }; -function formatHour24(d, p) { - return pad$1(d.getHours(), p, 2); -} + interval.every = function(step) { + step = Math.floor(step); + return !isFinite(step) || !(step > 0) ? null + : !(step > 1) ? interval + : interval.filter(field + ? function(d) { return field(d) % step === 0; } + : function(d) { return interval.count(0, d) % step === 0; }); + }; + } -function formatHour12(d, p) { - return pad$1(d.getHours() % 12 || 12, p, 2); + return interval; } -function formatDayOfYear(d, p) { - return pad$1(1 + day.count(year(d), d), p, 3); -} +var millisecond = newInterval(function() { + // noop +}, function(date, step) { + date.setTime(+date + step); +}, function(start, end) { + return end - start; +}); -function formatMilliseconds(d, p) { - return pad$1(d.getMilliseconds(), p, 3); -} +// An optimized implementation for this simple case. +millisecond.every = function(k) { + k = Math.floor(k); + if (!isFinite(k) || !(k > 0)) return null; + if (!(k > 1)) return millisecond; + return newInterval(function(date) { + date.setTime(Math.floor(date / k) * k); + }, function(date, step) { + date.setTime(+date + step * k); + }, function(start, end) { + return (end - start) / k; + }); +}; +var milliseconds = millisecond.range; -function formatMicroseconds(d, p) { - return formatMilliseconds(d, p) + "000"; -} +var durationSecond$1 = 1e3; +var durationMinute$1 = 6e4; +var durationHour$1 = 36e5; +var durationDay$1 = 864e5; +var durationWeek$1 = 6048e5; -function formatMonthNumber(d, p) { - return pad$1(d.getMonth() + 1, p, 2); -} +var second = newInterval(function(date) { + date.setTime(date - date.getMilliseconds()); +}, function(date, step) { + date.setTime(+date + step * durationSecond$1); +}, function(start, end) { + return (end - start) / durationSecond$1; +}, function(date) { + return date.getUTCSeconds(); +}); +var seconds = second.range; -function formatMinutes(d, p) { - return pad$1(d.getMinutes(), p, 2); -} +var minute = newInterval(function(date) { + date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond$1); +}, function(date, step) { + date.setTime(+date + step * durationMinute$1); +}, function(start, end) { + return (end - start) / durationMinute$1; +}, function(date) { + return date.getMinutes(); +}); +var minutes = minute.range; -function formatSeconds(d, p) { - return pad$1(d.getSeconds(), p, 2); -} +var hour = newInterval(function(date) { + date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond$1 - date.getMinutes() * durationMinute$1); +}, function(date, step) { + date.setTime(+date + step * durationHour$1); +}, function(start, end) { + return (end - start) / durationHour$1; +}, function(date) { + return date.getHours(); +}); +var hours = hour.range; -function formatWeekdayNumberMonday(d) { - var day = d.getDay(); - return day === 0 ? 7 : day; -} +var day = newInterval( + date => date.setHours(0, 0, 0, 0), + (date, step) => date.setDate(date.getDate() + step), + (start, end) => (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationDay$1, + date => date.getDate() - 1 +); +var days = day.range; -function formatWeekNumberSunday(d, p) { - return pad$1(sunday.count(year(d) - 1, d), p, 2); +function weekday(i) { + return newInterval(function(date) { + date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setDate(date.getDate() + step * 7); + }, function(start, end) { + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationWeek$1; + }); } -function formatWeekNumberISO(d, p) { - var day = d.getDay(); - d = (day >= 4 || day === 0) ? thursday(d) : thursday.ceil(d); - return pad$1(thursday.count(year(d), d) + (year(d).getDay() === 4), p, 2); -} +var sunday = weekday(0); +var monday = weekday(1); +var tuesday = weekday(2); +var wednesday = weekday(3); +var thursday = weekday(4); +var friday = weekday(5); +var saturday = weekday(6); -function formatWeekdayNumberSunday(d) { - return d.getDay(); -} +var sundays = sunday.range; +var mondays = monday.range; +var tuesdays = tuesday.range; +var wednesdays = wednesday.range; +var thursdays = thursday.range; +var fridays = friday.range; +var saturdays = saturday.range; -function formatWeekNumberMonday(d, p) { - return pad$1(monday.count(year(d) - 1, d), p, 2); -} +var month = newInterval(function(date) { + date.setDate(1); + date.setHours(0, 0, 0, 0); +}, function(date, step) { + date.setMonth(date.getMonth() + step); +}, function(start, end) { + return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; +}, function(date) { + return date.getMonth(); +}); +var months = month.range; -function formatYear$1(d, p) { - return pad$1(d.getFullYear() % 100, p, 2); -} +var year = newInterval(function(date) { + date.setMonth(0, 1); + date.setHours(0, 0, 0, 0); +}, function(date, step) { + date.setFullYear(date.getFullYear() + step); +}, function(start, end) { + return end.getFullYear() - start.getFullYear(); +}, function(date) { + return date.getFullYear(); +}); -function formatFullYear(d, p) { - return pad$1(d.getFullYear() % 10000, p, 4); -} +// An optimized implementation for this simple case. +year.every = function(k) { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { + date.setFullYear(Math.floor(date.getFullYear() / k) * k); + date.setMonth(0, 1); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setFullYear(date.getFullYear() + step * k); + }); +}; +var years = year.range; -function formatZone(d) { - var z = d.getTimezoneOffset(); - return (z > 0 ? "-" : (z *= -1, "+")) - + pad$1(z / 60 | 0, "0", 2) - + pad$1(z % 60, "0", 2); -} +var utcMinute = newInterval(function(date) { + date.setUTCSeconds(0, 0); +}, function(date, step) { + date.setTime(+date + step * durationMinute$1); +}, function(start, end) { + return (end - start) / durationMinute$1; +}, function(date) { + return date.getUTCMinutes(); +}); +var utcMinutes = utcMinute.range; -function formatUTCDayOfMonth(d, p) { - return pad$1(d.getUTCDate(), p, 2); -} +var utcHour = newInterval(function(date) { + date.setUTCMinutes(0, 0, 0); +}, function(date, step) { + date.setTime(+date + step * durationHour$1); +}, function(start, end) { + return (end - start) / durationHour$1; +}, function(date) { + return date.getUTCHours(); +}); +var utcHours = utcHour.range; -function formatUTCHour24(d, p) { - return pad$1(d.getUTCHours(), p, 2); -} +var utcDay = newInterval(function(date) { + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCDate(date.getUTCDate() + step); +}, function(start, end) { + return (end - start) / durationDay$1; +}, function(date) { + return date.getUTCDate() - 1; +}); +var utcDays = utcDay.range; -function formatUTCHour12(d, p) { - return pad$1(d.getUTCHours() % 12 || 12, p, 2); +function utcWeekday(i) { + return newInterval(function(date) { + date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCDate(date.getUTCDate() + step * 7); + }, function(start, end) { + return (end - start) / durationWeek$1; + }); } -function formatUTCDayOfYear(d, p) { - return pad$1(1 + utcDay.count(utcYear(d), d), p, 3); -} +var utcSunday = utcWeekday(0); +var utcMonday = utcWeekday(1); +var utcTuesday = utcWeekday(2); +var utcWednesday = utcWeekday(3); +var utcThursday = utcWeekday(4); +var utcFriday = utcWeekday(5); +var utcSaturday = utcWeekday(6); -function formatUTCMilliseconds(d, p) { - return pad$1(d.getUTCMilliseconds(), p, 3); -} +var utcSundays = utcSunday.range; +var utcMondays = utcMonday.range; +var utcTuesdays = utcTuesday.range; +var utcWednesdays = utcWednesday.range; +var utcThursdays = utcThursday.range; +var utcFridays = utcFriday.range; +var utcSaturdays = utcSaturday.range; -function formatUTCMicroseconds(d, p) { - return formatUTCMilliseconds(d, p) + "000"; -} +var utcMonth = newInterval(function(date) { + date.setUTCDate(1); + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCMonth(date.getUTCMonth() + step); +}, function(start, end) { + return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; +}, function(date) { + return date.getUTCMonth(); +}); +var utcMonths = utcMonth.range; -function formatUTCMonthNumber(d, p) { - return pad$1(d.getUTCMonth() + 1, p, 2); -} +var utcYear = newInterval(function(date) { + date.setUTCMonth(0, 1); + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCFullYear(date.getUTCFullYear() + step); +}, function(start, end) { + return end.getUTCFullYear() - start.getUTCFullYear(); +}, function(date) { + return date.getUTCFullYear(); +}); -function formatUTCMinutes(d, p) { - return pad$1(d.getUTCMinutes(), p, 2); -} +// An optimized implementation for this simple case. +utcYear.every = function(k) { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { + date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); + date.setUTCMonth(0, 1); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCFullYear(date.getUTCFullYear() + step * k); + }); +}; +var utcYears = utcYear.range; -function formatUTCSeconds(d, p) { - return pad$1(d.getUTCSeconds(), p, 2); +function localDate(d) { + if (0 <= d.y && d.y < 100) { + var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); + date.setFullYear(d.y); + return date; + } + return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L); } -function formatUTCWeekdayNumberMonday(d) { - var dow = d.getUTCDay(); - return dow === 0 ? 7 : dow; +function utcDate(d) { + if (0 <= d.y && d.y < 100) { + var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L)); + date.setUTCFullYear(d.y); + return date; + } + return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); } -function formatUTCWeekNumberSunday(d, p) { - return pad$1(utcSunday.count(utcYear(d) - 1, d), p, 2); +function newDate(y, m, d) { + return {y: y, m: m, d: d, H: 0, M: 0, S: 0, L: 0}; } -function formatUTCWeekNumberISO(d, p) { - var day = d.getUTCDay(); - d = (day >= 4 || day === 0) ? utcThursday(d) : utcThursday.ceil(d); - return pad$1(utcThursday.count(utcYear(d), d) + (utcYear(d).getUTCDay() === 4), p, 2); -} +function formatLocale(locale) { + var locale_dateTime = locale.dateTime, + locale_date = locale.date, + locale_time = locale.time, + locale_periods = locale.periods, + locale_weekdays = locale.days, + locale_shortWeekdays = locale.shortDays, + locale_months = locale.months, + locale_shortMonths = locale.shortMonths; -function formatUTCWeekdayNumberSunday(d) { - return d.getUTCDay(); -} + var periodRe = formatRe(locale_periods), + periodLookup = formatLookup(locale_periods), + weekdayRe = formatRe(locale_weekdays), + weekdayLookup = formatLookup(locale_weekdays), + shortWeekdayRe = formatRe(locale_shortWeekdays), + shortWeekdayLookup = formatLookup(locale_shortWeekdays), + monthRe = formatRe(locale_months), + monthLookup = formatLookup(locale_months), + shortMonthRe = formatRe(locale_shortMonths), + shortMonthLookup = formatLookup(locale_shortMonths); -function formatUTCWeekNumberMonday(d, p) { - return pad$1(utcMonday.count(utcYear(d) - 1, d), p, 2); -} + var formats = { + "a": formatShortWeekday, + "A": formatWeekday, + "b": formatShortMonth, + "B": formatMonth, + "c": null, + "d": formatDayOfMonth, + "e": formatDayOfMonth, + "f": formatMicroseconds, + "g": formatYearISO, + "G": formatFullYearISO, + "H": formatHour24, + "I": formatHour12, + "j": formatDayOfYear, + "L": formatMilliseconds, + "m": formatMonthNumber, + "M": formatMinutes, + "p": formatPeriod, + "q": formatQuarter, + "Q": formatUnixTimestamp, + "s": formatUnixTimestampSeconds, + "S": formatSeconds, + "u": formatWeekdayNumberMonday, + "U": formatWeekNumberSunday, + "V": formatWeekNumberISO, + "w": formatWeekdayNumberSunday, + "W": formatWeekNumberMonday, + "x": null, + "X": null, + "y": formatYear, + "Y": formatFullYear, + "Z": formatZone, + "%": formatLiteralPercent + }; -function formatUTCYear(d, p) { - return pad$1(d.getUTCFullYear() % 100, p, 2); -} + var utcFormats = { + "a": formatUTCShortWeekday, + "A": formatUTCWeekday, + "b": formatUTCShortMonth, + "B": formatUTCMonth, + "c": null, + "d": formatUTCDayOfMonth, + "e": formatUTCDayOfMonth, + "f": formatUTCMicroseconds, + "g": formatUTCYearISO, + "G": formatUTCFullYearISO, + "H": formatUTCHour24, + "I": formatUTCHour12, + "j": formatUTCDayOfYear, + "L": formatUTCMilliseconds, + "m": formatUTCMonthNumber, + "M": formatUTCMinutes, + "p": formatUTCPeriod, + "q": formatUTCQuarter, + "Q": formatUnixTimestamp, + "s": formatUnixTimestampSeconds, + "S": formatUTCSeconds, + "u": formatUTCWeekdayNumberMonday, + "U": formatUTCWeekNumberSunday, + "V": formatUTCWeekNumberISO, + "w": formatUTCWeekdayNumberSunday, + "W": formatUTCWeekNumberMonday, + "x": null, + "X": null, + "y": formatUTCYear, + "Y": formatUTCFullYear, + "Z": formatUTCZone, + "%": formatLiteralPercent + }; -function formatUTCFullYear(d, p) { - return pad$1(d.getUTCFullYear() % 10000, p, 4); -} + var parses = { + "a": parseShortWeekday, + "A": parseWeekday, + "b": parseShortMonth, + "B": parseMonth, + "c": parseLocaleDateTime, + "d": parseDayOfMonth, + "e": parseDayOfMonth, + "f": parseMicroseconds, + "g": parseYear, + "G": parseFullYear, + "H": parseHour24, + "I": parseHour24, + "j": parseDayOfYear, + "L": parseMilliseconds, + "m": parseMonthNumber, + "M": parseMinutes, + "p": parsePeriod, + "q": parseQuarter, + "Q": parseUnixTimestamp, + "s": parseUnixTimestampSeconds, + "S": parseSeconds, + "u": parseWeekdayNumberMonday, + "U": parseWeekNumberSunday, + "V": parseWeekNumberISO, + "w": parseWeekdayNumberSunday, + "W": parseWeekNumberMonday, + "x": parseLocaleDate, + "X": parseLocaleTime, + "y": parseYear, + "Y": parseFullYear, + "Z": parseZone, + "%": parseLiteralPercent + }; -function formatUTCZone() { - return "+0000"; -} + // These recursive directive definitions must be deferred. + formats.x = newFormat(locale_date, formats); + formats.X = newFormat(locale_time, formats); + formats.c = newFormat(locale_dateTime, formats); + utcFormats.x = newFormat(locale_date, utcFormats); + utcFormats.X = newFormat(locale_time, utcFormats); + utcFormats.c = newFormat(locale_dateTime, utcFormats); -function formatLiteralPercent() { - return "%"; -} + function newFormat(specifier, formats) { + return function(date) { + var string = [], + i = -1, + j = 0, + n = specifier.length, + c, + pad, + format; -function formatUnixTimestamp(d) { - return +d; -} + if (!(date instanceof Date)) date = new Date(+date); -function formatUnixTimestampSeconds(d) { - return Math.floor(+d / 1000); -} + while (++i < n) { + if (specifier.charCodeAt(i) === 37) { + string.push(specifier.slice(j, i)); + if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i); + else pad = c === "e" ? " " : "0"; + if (format = formats[c]) c = format(date, pad); + string.push(c); + j = i + 1; + } + } -var locale$1; + string.push(specifier.slice(j, i)); + return string.join(""); + }; + } -defaultLocale$1({ - dateTime: "%x, %X", - date: "%-m/%-d/%Y", - time: "%-I:%M:%S %p", - periods: ["AM", "PM"], - days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], - shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], - months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], - shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"] -}); + function newParse(specifier, Z) { + return function(string) { + var d = newDate(1900, undefined, 1), + i = parseSpecifier(d, specifier, string += "", 0), + week, day$1; + if (i != string.length) return null; -function defaultLocale$1(definition) { - locale$1 = formatLocale$1(definition); - exports.timeFormat = locale$1.format; - exports.timeParse = locale$1.parse; - exports.utcFormat = locale$1.utcFormat; - exports.utcParse = locale$1.utcParse; - return locale$1; -} + // If a UNIX timestamp is specified, return it. + if ("Q" in d) return new Date(d.Q); + if ("s" in d) return new Date(d.s * 1000 + ("L" in d ? d.L : 0)); -var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; + // If this is utcParse, never use the local timezone. + if (Z && !("Z" in d)) d.Z = 0; -function formatIsoNative(date) { - return date.toISOString(); -} + // The am-pm flag is 0 for AM, and 1 for PM. + if ("p" in d) d.H = d.H % 12 + d.p * 12; -var formatIso = Date.prototype.toISOString - ? formatIsoNative - : exports.utcFormat(isoSpecifier); + // If the month was not specified, inherit from the quarter. + if (d.m === undefined) d.m = "q" in d ? d.q : 0; -function parseIsoNative(string) { - var date = new Date(string); - return isNaN(date) ? null : date; -} + // Convert day-of-week and week-of-year to day-of-year. + if ("V" in d) { + if (d.V < 1 || d.V > 53) return null; + if (!("w" in d)) d.w = 1; + if ("Z" in d) { + week = utcDate(newDate(d.y, 0, 1)), day$1 = week.getUTCDay(); + week = day$1 > 4 || day$1 === 0 ? utcMonday.ceil(week) : utcMonday(week); + week = utcDay.offset(week, (d.V - 1) * 7); + d.y = week.getUTCFullYear(); + d.m = week.getUTCMonth(); + d.d = week.getUTCDate() + (d.w + 6) % 7; + } else { + week = localDate(newDate(d.y, 0, 1)), day$1 = week.getDay(); + week = day$1 > 4 || day$1 === 0 ? monday.ceil(week) : monday(week); + week = day.offset(week, (d.V - 1) * 7); + d.y = week.getFullYear(); + d.m = week.getMonth(); + d.d = week.getDate() + (d.w + 6) % 7; + } + } else if ("W" in d || "U" in d) { + if (!("w" in d)) d.w = "u" in d ? d.u % 7 : "W" in d ? 1 : 0; + day$1 = "Z" in d ? utcDate(newDate(d.y, 0, 1)).getUTCDay() : localDate(newDate(d.y, 0, 1)).getDay(); + d.m = 0; + d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$1 + 5) % 7 : d.w + d.U * 7 - (day$1 + 6) % 7; + } + + // If a time zone is specified, all fields are interpreted as UTC and then + // offset according to the specified time zone. + if ("Z" in d) { + d.H += d.Z / 100 | 0; + d.M += d.Z % 100; + return utcDate(d); + } -var parseIso = +new Date("2000-01-01T00:00:00.000Z") - ? parseIsoNative - : exports.utcParse(isoSpecifier); + // Otherwise, all fields are in local time. + return localDate(d); + }; + } -var durationSecond$1 = 1000, - durationMinute$1 = durationSecond$1 * 60, - durationHour$1 = durationMinute$1 * 60, - durationDay$1 = durationHour$1 * 24, - durationWeek$1 = durationDay$1 * 7, - durationMonth = durationDay$1 * 30, - durationYear = durationDay$1 * 365; + function parseSpecifier(d, specifier, string, j) { + var i = 0, + n = specifier.length, + m = string.length, + c, + parse; -function date$1(t) { - return new Date(t); -} + while (i < n) { + if (j >= m) return -1; + c = specifier.charCodeAt(i++); + if (c === 37) { + c = specifier.charAt(i++); + parse = parses[c in pads ? specifier.charAt(i++) : c]; + if (!parse || ((j = parse(d, string, j)) < 0)) return -1; + } else if (c != string.charCodeAt(j++)) { + return -1; + } + } -function number$3(t) { - return t instanceof Date ? +t : +new Date(+t); -} + return j; + } -function calendar(year, month, week, day, hour, minute, second, millisecond, format) { - var scale = continuous(identity$6, identity$6), - invert = scale.invert, - domain = scale.domain; + function parsePeriod(d, string, i) { + var n = periodRe.exec(string.slice(i)); + return n ? (d.p = periodLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } - var formatMillisecond = format(".%L"), - formatSecond = format(":%S"), - formatMinute = format("%I:%M"), - formatHour = format("%I %p"), - formatDay = format("%a %d"), - formatWeek = format("%b %d"), - formatMonth = format("%B"), - formatYear = format("%Y"); + function parseShortWeekday(d, string, i) { + var n = shortWeekdayRe.exec(string.slice(i)); + return n ? (d.w = shortWeekdayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } - var tickIntervals = [ - [second, 1, durationSecond$1], - [second, 5, 5 * durationSecond$1], - [second, 15, 15 * durationSecond$1], - [second, 30, 30 * durationSecond$1], - [minute, 1, durationMinute$1], - [minute, 5, 5 * durationMinute$1], - [minute, 15, 15 * durationMinute$1], - [minute, 30, 30 * durationMinute$1], - [ hour, 1, durationHour$1 ], - [ hour, 3, 3 * durationHour$1 ], - [ hour, 6, 6 * durationHour$1 ], - [ hour, 12, 12 * durationHour$1 ], - [ day, 1, durationDay$1 ], - [ day, 2, 2 * durationDay$1 ], - [ week, 1, durationWeek$1 ], - [ month, 1, durationMonth ], - [ month, 3, 3 * durationMonth ], - [ year, 1, durationYear ] - ]; + function parseWeekday(d, string, i) { + var n = weekdayRe.exec(string.slice(i)); + return n ? (d.w = weekdayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } - function tickFormat(date) { - return (second(date) < date ? formatMillisecond - : minute(date) < date ? formatSecond - : hour(date) < date ? formatMinute - : day(date) < date ? formatHour - : month(date) < date ? (week(date) < date ? formatDay : formatWeek) - : year(date) < date ? formatMonth - : formatYear)(date); + function parseShortMonth(d, string, i) { + var n = shortMonthRe.exec(string.slice(i)); + return n ? (d.m = shortMonthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; } - function tickInterval(interval, start, stop, step) { - if (interval == null) interval = 10; + function parseMonth(d, string, i) { + var n = monthRe.exec(string.slice(i)); + return n ? (d.m = monthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } - // If a desired tick count is specified, pick a reasonable tick interval - // based on the extent of the domain and a rough estimate of tick size. - // Otherwise, assume interval is already a time interval and use it. - if (typeof interval === "number") { - var target = Math.abs(stop - start) / interval, - i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); - if (i === tickIntervals.length) { - step = tickStep(start / durationYear, stop / durationYear, interval); - interval = year; - } else if (i) { - i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; - step = i[1]; - interval = i[0]; - } else { - step = Math.max(tickStep(start, stop, interval), 1); - interval = millisecond; - } - } + function parseLocaleDateTime(d, string, i) { + return parseSpecifier(d, locale_dateTime, string, i); + } - return step == null ? interval : interval.every(step); + function parseLocaleDate(d, string, i) { + return parseSpecifier(d, locale_date, string, i); } - scale.invert = function(y) { - return new Date(invert(y)); - }; + function parseLocaleTime(d, string, i) { + return parseSpecifier(d, locale_time, string, i); + } - scale.domain = function(_) { - return arguments.length ? domain(map$3.call(_, number$3)) : domain().map(date$1); - }; + function formatShortWeekday(d) { + return locale_shortWeekdays[d.getDay()]; + } - scale.ticks = function(interval, step) { - var d = domain(), - t0 = d[0], - t1 = d[d.length - 1], - r = t1 < t0, - t; - if (r) t = t0, t0 = t1, t1 = t; - t = tickInterval(interval, t0, t1, step); - t = t ? t.range(t0, t1 + 1) : []; // inclusive stop - return r ? t.reverse() : t; - }; + function formatWeekday(d) { + return locale_weekdays[d.getDay()]; + } - scale.tickFormat = function(count, specifier) { - return specifier == null ? tickFormat : format(specifier); - }; + function formatShortMonth(d) { + return locale_shortMonths[d.getMonth()]; + } - scale.nice = function(interval, step) { - var d = domain(); - return (interval = tickInterval(interval, d[0], d[d.length - 1], step)) - ? domain(nice(d, interval)) - : scale; - }; + function formatMonth(d) { + return locale_months[d.getMonth()]; + } - scale.copy = function() { - return copy(scale, calendar(year, month, week, day, hour, minute, second, millisecond, format)); - }; + function formatPeriod(d) { + return locale_periods[+(d.getHours() >= 12)]; + } - return scale; -} + function formatQuarter(d) { + return 1 + ~~(d.getMonth() / 3); + } -function time() { - return initRange.apply(calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments); -} + function formatUTCShortWeekday(d) { + return locale_shortWeekdays[d.getUTCDay()]; + } -function utcTime() { - return initRange.apply(calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]), arguments); -} + function formatUTCWeekday(d) { + return locale_weekdays[d.getUTCDay()]; + } -function transformer$2() { - var x0 = 0, - x1 = 1, - t0, - t1, - k10, - transform, - interpolator = identity$6, - clamp = false, - unknown; + function formatUTCShortMonth(d) { + return locale_shortMonths[d.getUTCMonth()]; + } - function scale(x) { - return isNaN(x = +x) ? unknown : interpolator(k10 === 0 ? 0.5 : (x = (transform(x) - t0) * k10, clamp ? Math.max(0, Math.min(1, x)) : x)); + function formatUTCMonth(d) { + return locale_months[d.getUTCMonth()]; } - scale.domain = function(_) { - return arguments.length ? (t0 = transform(x0 = +_[0]), t1 = transform(x1 = +_[1]), k10 = t0 === t1 ? 0 : 1 / (t1 - t0), scale) : [x0, x1]; - }; + function formatUTCPeriod(d) { + return locale_periods[+(d.getUTCHours() >= 12)]; + } - scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, scale) : clamp; - }; + function formatUTCQuarter(d) { + return 1 + ~~(d.getUTCMonth() / 3); + } - scale.interpolator = function(_) { - return arguments.length ? (interpolator = _, scale) : interpolator; + return { + format: function(specifier) { + var f = newFormat(specifier += "", formats); + f.toString = function() { return specifier; }; + return f; + }, + parse: function(specifier) { + var p = newParse(specifier += "", false); + p.toString = function() { return specifier; }; + return p; + }, + utcFormat: function(specifier) { + var f = newFormat(specifier += "", utcFormats); + f.toString = function() { return specifier; }; + return f; + }, + utcParse: function(specifier) { + var p = newParse(specifier += "", true); + p.toString = function() { return specifier; }; + return p; + } }; +} - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; +var pads = {"-": "", "_": " ", "0": "0"}, + numberRe = /^\s*\d+/, // note: ignores next directive + percentRe = /^%/, + requoteRe = /[\\^$*+?|[\]().{}]/g; - return function(t) { - transform = t, t0 = t(x0), t1 = t(x1), k10 = t0 === t1 ? 0 : 1 / (t1 - t0); - return scale; - }; +function pad(value, fill, width) { + var sign = value < 0 ? "-" : "", + string = (sign ? -value : value) + "", + length = string.length; + return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); } -function copy$1(source, target) { - return target - .domain(source.domain()) - .interpolator(source.interpolator()) - .clamp(source.clamp()) - .unknown(source.unknown()); +function requote(s) { + return s.replace(requoteRe, "\\$&"); } -function sequential() { - var scale = linearish(transformer$2()(identity$6)); - - scale.copy = function() { - return copy$1(scale, sequential()); - }; - - return initInterpolator.apply(scale, arguments); +function formatRe(names) { + return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i"); } -function sequentialLog() { - var scale = loggish(transformer$2()).domain([1, 10]); - - scale.copy = function() { - return copy$1(scale, sequentialLog()).base(scale.base()); - }; +function formatLookup(names) { + return new Map(names.map((name, i) => [name.toLowerCase(), i])); +} - return initInterpolator.apply(scale, arguments); +function parseWeekdayNumberSunday(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 1)); + return n ? (d.w = +n[0], i + n[0].length) : -1; } -function sequentialSymlog() { - var scale = symlogish(transformer$2()); +function parseWeekdayNumberMonday(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 1)); + return n ? (d.u = +n[0], i + n[0].length) : -1; +} - scale.copy = function() { - return copy$1(scale, sequentialSymlog()).constant(scale.constant()); - }; +function parseWeekNumberSunday(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.U = +n[0], i + n[0].length) : -1; +} - return initInterpolator.apply(scale, arguments); +function parseWeekNumberISO(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.V = +n[0], i + n[0].length) : -1; } -function sequentialPow() { - var scale = powish(transformer$2()); +function parseWeekNumberMonday(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.W = +n[0], i + n[0].length) : -1; +} - scale.copy = function() { - return copy$1(scale, sequentialPow()).exponent(scale.exponent()); - }; +function parseFullYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 4)); + return n ? (d.y = +n[0], i + n[0].length) : -1; +} - return initInterpolator.apply(scale, arguments); +function parseYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1; } -function sequentialSqrt() { - return sequentialPow.apply(null, arguments).exponent(0.5); +function parseZone(d, string, i) { + var n = /^(Z)|([+-]\d\d)(?::?(\d\d))?/.exec(string.slice(i, i + 6)); + return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; } -function sequentialQuantile() { - var domain = [], - interpolator = identity$6; +function parseQuarter(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 1)); + return n ? (d.q = n[0] * 3 - 3, i + n[0].length) : -1; +} - function scale(x) { - if (!isNaN(x = +x)) return interpolator((bisectRight(domain, x) - 1) / (domain.length - 1)); - } +function parseMonthNumber(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.m = n[0] - 1, i + n[0].length) : -1; +} - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = []; - for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); - domain.sort(ascending); - return scale; - }; +function parseDayOfMonth(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.d = +n[0], i + n[0].length) : -1; +} - scale.interpolator = function(_) { - return arguments.length ? (interpolator = _, scale) : interpolator; - }; +function parseDayOfYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 3)); + return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1; +} - scale.copy = function() { - return sequentialQuantile(interpolator).domain(domain); - }; +function parseHour24(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.H = +n[0], i + n[0].length) : -1; +} - return initInterpolator.apply(scale, arguments); +function parseMinutes(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.M = +n[0], i + n[0].length) : -1; } -function transformer$3() { - var x0 = 0, - x1 = 0.5, - x2 = 1, - t0, - t1, - t2, - k10, - k21, - interpolator = identity$6, - transform, - clamp = false, - unknown; +function parseSeconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.S = +n[0], i + n[0].length) : -1; +} - function scale(x) { - return isNaN(x = +x) ? unknown : (x = 0.5 + ((x = +transform(x)) - t1) * (x < t1 ? k10 : k21), interpolator(clamp ? Math.max(0, Math.min(1, x)) : x)); - } +function parseMilliseconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 3)); + return n ? (d.L = +n[0], i + n[0].length) : -1; +} - scale.domain = function(_) { - return arguments.length ? (t0 = transform(x0 = +_[0]), t1 = transform(x1 = +_[1]), t2 = transform(x2 = +_[2]), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1), scale) : [x0, x1, x2]; - }; +function parseMicroseconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 6)); + return n ? (d.L = Math.floor(n[0] / 1000), i + n[0].length) : -1; +} - scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, scale) : clamp; - }; +function parseLiteralPercent(d, string, i) { + var n = percentRe.exec(string.slice(i, i + 1)); + return n ? i + n[0].length : -1; +} - scale.interpolator = function(_) { - return arguments.length ? (interpolator = _, scale) : interpolator; - }; +function parseUnixTimestamp(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.Q = +n[0], i + n[0].length) : -1; +} - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; +function parseUnixTimestampSeconds(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.s = +n[0], i + n[0].length) : -1; +} - return function(t) { - transform = t, t0 = t(x0), t1 = t(x1), t2 = t(x2), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1); - return scale; - }; +function formatDayOfMonth(d, p) { + return pad(d.getDate(), p, 2); } -function diverging() { - var scale = linearish(transformer$3()(identity$6)); +function formatHour24(d, p) { + return pad(d.getHours(), p, 2); +} - scale.copy = function() { - return copy$1(scale, diverging()); - }; +function formatHour12(d, p) { + return pad(d.getHours() % 12 || 12, p, 2); +} - return initInterpolator.apply(scale, arguments); +function formatDayOfYear(d, p) { + return pad(1 + day.count(year(d), d), p, 3); } -function divergingLog() { - var scale = loggish(transformer$3()).domain([0.1, 1, 10]); +function formatMilliseconds(d, p) { + return pad(d.getMilliseconds(), p, 3); +} - scale.copy = function() { - return copy$1(scale, divergingLog()).base(scale.base()); - }; +function formatMicroseconds(d, p) { + return formatMilliseconds(d, p) + "000"; +} - return initInterpolator.apply(scale, arguments); +function formatMonthNumber(d, p) { + return pad(d.getMonth() + 1, p, 2); } -function divergingSymlog() { - var scale = symlogish(transformer$3()); +function formatMinutes(d, p) { + return pad(d.getMinutes(), p, 2); +} - scale.copy = function() { - return copy$1(scale, divergingSymlog()).constant(scale.constant()); - }; +function formatSeconds(d, p) { + return pad(d.getSeconds(), p, 2); +} - return initInterpolator.apply(scale, arguments); +function formatWeekdayNumberMonday(d) { + var day = d.getDay(); + return day === 0 ? 7 : day; } -function divergingPow() { - var scale = powish(transformer$3()); +function formatWeekNumberSunday(d, p) { + return pad(sunday.count(year(d) - 1, d), p, 2); +} - scale.copy = function() { - return copy$1(scale, divergingPow()).exponent(scale.exponent()); - }; +function dISO(d) { + var day = d.getDay(); + return (day >= 4 || day === 0) ? thursday(d) : thursday.ceil(d); +} - return initInterpolator.apply(scale, arguments); +function formatWeekNumberISO(d, p) { + d = dISO(d); + return pad(thursday.count(year(d), d) + (year(d).getDay() === 4), p, 2); } -function divergingSqrt() { - return divergingPow.apply(null, arguments).exponent(0.5); +function formatWeekdayNumberSunday(d) { + return d.getDay(); } -function colors(specifier) { - var n = specifier.length / 6 | 0, colors = new Array(n), i = 0; - while (i < n) colors[i] = "#" + specifier.slice(i * 6, ++i * 6); - return colors; +function formatWeekNumberMonday(d, p) { + return pad(monday.count(year(d) - 1, d), p, 2); } -var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); +function formatYear(d, p) { + return pad(d.getFullYear() % 100, p, 2); +} -var Accent = colors("7fc97fbeaed4fdc086ffff99386cb0f0027fbf5b17666666"); +function formatYearISO(d, p) { + d = dISO(d); + return pad(d.getFullYear() % 100, p, 2); +} -var Dark2 = colors("1b9e77d95f027570b3e7298a66a61ee6ab02a6761d666666"); +function formatFullYear(d, p) { + return pad(d.getFullYear() % 10000, p, 4); +} -var Paired = colors("a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00cab2d66a3d9affff99b15928"); +function formatFullYearISO(d, p) { + var day = d.getDay(); + d = (day >= 4 || day === 0) ? thursday(d) : thursday.ceil(d); + return pad(d.getFullYear() % 10000, p, 4); +} -var Pastel1 = colors("fbb4aeb3cde3ccebc5decbe4fed9a6ffffcce5d8bdfddaecf2f2f2"); +function formatZone(d) { + var z = d.getTimezoneOffset(); + return (z > 0 ? "-" : (z *= -1, "+")) + + pad(z / 60 | 0, "0", 2) + + pad(z % 60, "0", 2); +} -var Pastel2 = colors("b3e2cdfdcdaccbd5e8f4cae4e6f5c9fff2aef1e2cccccccc"); +function formatUTCDayOfMonth(d, p) { + return pad(d.getUTCDate(), p, 2); +} -var Set1 = colors("e41a1c377eb84daf4a984ea3ff7f00ffff33a65628f781bf999999"); +function formatUTCHour24(d, p) { + return pad(d.getUTCHours(), p, 2); +} -var Set2 = colors("66c2a5fc8d628da0cbe78ac3a6d854ffd92fe5c494b3b3b3"); +function formatUTCHour12(d, p) { + return pad(d.getUTCHours() % 12 || 12, p, 2); +} -var Set3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5ffed6f"); +function formatUTCDayOfYear(d, p) { + return pad(1 + utcDay.count(utcYear(d), d), p, 3); +} -var Tableau10 = colors("4e79a7f28e2ce1575976b7b259a14fedc949af7aa1ff9da79c755fbab0ab"); +function formatUTCMilliseconds(d, p) { + return pad(d.getUTCMilliseconds(), p, 3); +} -function ramp(scheme) { - return rgbBasis(scheme[scheme.length - 1]); +function formatUTCMicroseconds(d, p) { + return formatUTCMilliseconds(d, p) + "000"; } -var scheme = new Array(3).concat( - "d8b365f5f5f55ab4ac", - "a6611adfc27d80cdc1018571", - "a6611adfc27df5f5f580cdc1018571", - "8c510ad8b365f6e8c3c7eae55ab4ac01665e", - "8c510ad8b365f6e8c3f5f5f5c7eae55ab4ac01665e", - "8c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e", - "8c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e", - "5430058c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e003c30", - "5430058c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e003c30" -).map(colors); +function formatUTCMonthNumber(d, p) { + return pad(d.getUTCMonth() + 1, p, 2); +} -var BrBG = ramp(scheme); +function formatUTCMinutes(d, p) { + return pad(d.getUTCMinutes(), p, 2); +} -var scheme$1 = new Array(3).concat( - "af8dc3f7f7f77fbf7b", - "7b3294c2a5cfa6dba0008837", - "7b3294c2a5cff7f7f7a6dba0008837", - "762a83af8dc3e7d4e8d9f0d37fbf7b1b7837", - "762a83af8dc3e7d4e8f7f7f7d9f0d37fbf7b1b7837", - "762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b7837", - "762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b7837", - "40004b762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b783700441b", - "40004b762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b783700441b" -).map(colors); +function formatUTCSeconds(d, p) { + return pad(d.getUTCSeconds(), p, 2); +} -var PRGn = ramp(scheme$1); +function formatUTCWeekdayNumberMonday(d) { + var dow = d.getUTCDay(); + return dow === 0 ? 7 : dow; +} -var scheme$2 = new Array(3).concat( - "e9a3c9f7f7f7a1d76a", - "d01c8bf1b6dab8e1864dac26", - "d01c8bf1b6daf7f7f7b8e1864dac26", - "c51b7de9a3c9fde0efe6f5d0a1d76a4d9221", - "c51b7de9a3c9fde0eff7f7f7e6f5d0a1d76a4d9221", - "c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221", - "c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221", - "8e0152c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221276419", - "8e0152c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221276419" -).map(colors); +function formatUTCWeekNumberSunday(d, p) { + return pad(utcSunday.count(utcYear(d) - 1, d), p, 2); +} -var PiYG = ramp(scheme$2); +function UTCdISO(d) { + var day = d.getUTCDay(); + return (day >= 4 || day === 0) ? utcThursday(d) : utcThursday.ceil(d); +} -var scheme$3 = new Array(3).concat( - "998ec3f7f7f7f1a340", - "5e3c99b2abd2fdb863e66101", - "5e3c99b2abd2f7f7f7fdb863e66101", - "542788998ec3d8daebfee0b6f1a340b35806", - "542788998ec3d8daebf7f7f7fee0b6f1a340b35806", - "5427888073acb2abd2d8daebfee0b6fdb863e08214b35806", - "5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b35806", - "2d004b5427888073acb2abd2d8daebfee0b6fdb863e08214b358067f3b08", - "2d004b5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b358067f3b08" -).map(colors); +function formatUTCWeekNumberISO(d, p) { + d = UTCdISO(d); + return pad(utcThursday.count(utcYear(d), d) + (utcYear(d).getUTCDay() === 4), p, 2); +} -var PuOr = ramp(scheme$3); +function formatUTCWeekdayNumberSunday(d) { + return d.getUTCDay(); +} -var scheme$4 = new Array(3).concat( - "ef8a62f7f7f767a9cf", - "ca0020f4a58292c5de0571b0", - "ca0020f4a582f7f7f792c5de0571b0", - "b2182bef8a62fddbc7d1e5f067a9cf2166ac", - "b2182bef8a62fddbc7f7f7f7d1e5f067a9cf2166ac", - "b2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac", - "b2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac", - "67001fb2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac053061", - "67001fb2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac053061" -).map(colors); +function formatUTCWeekNumberMonday(d, p) { + return pad(utcMonday.count(utcYear(d) - 1, d), p, 2); +} -var RdBu = ramp(scheme$4); +function formatUTCYear(d, p) { + return pad(d.getUTCFullYear() % 100, p, 2); +} -var scheme$5 = new Array(3).concat( - "ef8a62ffffff999999", - "ca0020f4a582bababa404040", - "ca0020f4a582ffffffbababa404040", - "b2182bef8a62fddbc7e0e0e09999994d4d4d", - "b2182bef8a62fddbc7ffffffe0e0e09999994d4d4d", - "b2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d", - "b2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d", - "67001fb2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d1a1a1a", - "67001fb2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d1a1a1a" -).map(colors); +function formatUTCYearISO(d, p) { + d = UTCdISO(d); + return pad(d.getUTCFullYear() % 100, p, 2); +} -var RdGy = ramp(scheme$5); +function formatUTCFullYear(d, p) { + return pad(d.getUTCFullYear() % 10000, p, 4); +} -var scheme$6 = new Array(3).concat( - "fc8d59ffffbf91bfdb", - "d7191cfdae61abd9e92c7bb6", - "d7191cfdae61ffffbfabd9e92c7bb6", - "d73027fc8d59fee090e0f3f891bfdb4575b4", - "d73027fc8d59fee090ffffbfe0f3f891bfdb4575b4", - "d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4", - "d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4", - "a50026d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4313695", - "a50026d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4313695" -).map(colors); +function formatUTCFullYearISO(d, p) { + var day = d.getUTCDay(); + d = (day >= 4 || day === 0) ? utcThursday(d) : utcThursday.ceil(d); + return pad(d.getUTCFullYear() % 10000, p, 4); +} -var RdYlBu = ramp(scheme$6); +function formatUTCZone() { + return "+0000"; +} -var scheme$7 = new Array(3).concat( - "fc8d59ffffbf91cf60", - "d7191cfdae61a6d96a1a9641", - "d7191cfdae61ffffbfa6d96a1a9641", - "d73027fc8d59fee08bd9ef8b91cf601a9850", - "d73027fc8d59fee08bffffbfd9ef8b91cf601a9850", - "d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850", - "d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850", - "a50026d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850006837", - "a50026d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850006837" -).map(colors); +function formatLiteralPercent() { + return "%"; +} -var RdYlGn = ramp(scheme$7); +function formatUnixTimestamp(d) { + return +d; +} -var scheme$8 = new Array(3).concat( - "fc8d59ffffbf99d594", - "d7191cfdae61abdda42b83ba", - "d7191cfdae61ffffbfabdda42b83ba", - "d53e4ffc8d59fee08be6f59899d5943288bd", - "d53e4ffc8d59fee08bffffbfe6f59899d5943288bd", - "d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd", - "d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd", - "9e0142d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd5e4fa2", - "9e0142d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd5e4fa2" -).map(colors); +function formatUnixTimestampSeconds(d) { + return Math.floor(+d / 1000); +} -var Spectral = ramp(scheme$8); +var locale; +exports.timeFormat = void 0; +exports.timeParse = void 0; +exports.utcFormat = void 0; +exports.utcParse = void 0; -var scheme$9 = new Array(3).concat( - "e5f5f999d8c92ca25f", - "edf8fbb2e2e266c2a4238b45", - "edf8fbb2e2e266c2a42ca25f006d2c", - "edf8fbccece699d8c966c2a42ca25f006d2c", - "edf8fbccece699d8c966c2a441ae76238b45005824", - "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45005824", - "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45006d2c00441b" -).map(colors); +defaultLocale({ + dateTime: "%x, %X", + date: "%-m/%-d/%Y", + time: "%-I:%M:%S %p", + periods: ["AM", "PM"], + days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], + shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], + months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], + shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"] +}); -var BuGn = ramp(scheme$9); +function defaultLocale(definition) { + locale = formatLocale(definition); + exports.timeFormat = locale.format; + exports.timeParse = locale.parse; + exports.utcFormat = locale.utcFormat; + exports.utcParse = locale.utcParse; + return locale; +} -var scheme$a = new Array(3).concat( - "e0ecf49ebcda8856a7", - "edf8fbb3cde38c96c688419d", - "edf8fbb3cde38c96c68856a7810f7c", - "edf8fbbfd3e69ebcda8c96c68856a7810f7c", - "edf8fbbfd3e69ebcda8c96c68c6bb188419d6e016b", - "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d6e016b", - "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d810f7c4d004b" -).map(colors); +var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; -var BuPu = ramp(scheme$a); +function formatIsoNative(date) { + return date.toISOString(); +} -var scheme$b = new Array(3).concat( - "e0f3dba8ddb543a2ca", - "f0f9e8bae4bc7bccc42b8cbe", - "f0f9e8bae4bc7bccc443a2ca0868ac", - "f0f9e8ccebc5a8ddb57bccc443a2ca0868ac", - "f0f9e8ccebc5a8ddb57bccc44eb3d32b8cbe08589e", - "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe08589e", - "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe0868ac084081" -).map(colors); +var formatIso = Date.prototype.toISOString + ? formatIsoNative + : exports.utcFormat(isoSpecifier); -var GnBu = ramp(scheme$b); +function parseIsoNative(string) { + var date = new Date(string); + return isNaN(date) ? null : date; +} -var scheme$c = new Array(3).concat( - "fee8c8fdbb84e34a33", - "fef0d9fdcc8afc8d59d7301f", - "fef0d9fdcc8afc8d59e34a33b30000", - "fef0d9fdd49efdbb84fc8d59e34a33b30000", - "fef0d9fdd49efdbb84fc8d59ef6548d7301f990000", - "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301f990000", - "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301fb300007f0000" -).map(colors); +var parseIso = +new Date("2000-01-01T00:00:00.000Z") + ? parseIsoNative + : exports.utcParse(isoSpecifier); -var OrRd = ramp(scheme$c); +var durationSecond = 1000, + durationMinute = durationSecond * 60, + durationHour = durationMinute * 60, + durationDay = durationHour * 24, + durationWeek = durationDay * 7, + durationMonth = durationDay * 30, + durationYear = durationDay * 365; -var scheme$d = new Array(3).concat( - "ece2f0a6bddb1c9099", - "f6eff7bdc9e167a9cf02818a", - "f6eff7bdc9e167a9cf1c9099016c59", - "f6eff7d0d1e6a6bddb67a9cf1c9099016c59", - "f6eff7d0d1e6a6bddb67a9cf3690c002818a016450", - "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016450", - "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016c59014636" -).map(colors); +function date(t) { + return new Date(t); +} -var PuBuGn = ramp(scheme$d); +function number(t) { + return t instanceof Date ? +t : +new Date(+t); +} -var scheme$e = new Array(3).concat( - "ece7f2a6bddb2b8cbe", - "f1eef6bdc9e174a9cf0570b0", - "f1eef6bdc9e174a9cf2b8cbe045a8d", - "f1eef6d0d1e6a6bddb74a9cf2b8cbe045a8d", - "f1eef6d0d1e6a6bddb74a9cf3690c00570b0034e7b", - "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0034e7b", - "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0045a8d023858" -).map(colors); +function calendar(year, month, week, day, hour, minute, second, millisecond, format) { + var scale = continuous(), + invert = scale.invert, + domain = scale.domain; -var PuBu = ramp(scheme$e); + var formatMillisecond = format(".%L"), + formatSecond = format(":%S"), + formatMinute = format("%I:%M"), + formatHour = format("%I %p"), + formatDay = format("%a %d"), + formatWeek = format("%b %d"), + formatMonth = format("%B"), + formatYear = format("%Y"); -var scheme$f = new Array(3).concat( - "e7e1efc994c7dd1c77", - "f1eef6d7b5d8df65b0ce1256", - "f1eef6d7b5d8df65b0dd1c77980043", - "f1eef6d4b9dac994c7df65b0dd1c77980043", - "f1eef6d4b9dac994c7df65b0e7298ace125691003f", - "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125691003f", - "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125698004367001f" -).map(colors); + var tickIntervals = [ + [second, 1, durationSecond], + [second, 5, 5 * durationSecond], + [second, 15, 15 * durationSecond], + [second, 30, 30 * durationSecond], + [minute, 1, durationMinute], + [minute, 5, 5 * durationMinute], + [minute, 15, 15 * durationMinute], + [minute, 30, 30 * durationMinute], + [ hour, 1, durationHour ], + [ hour, 3, 3 * durationHour ], + [ hour, 6, 6 * durationHour ], + [ hour, 12, 12 * durationHour ], + [ day, 1, durationDay ], + [ day, 2, 2 * durationDay ], + [ week, 1, durationWeek ], + [ month, 1, durationMonth ], + [ month, 3, 3 * durationMonth ], + [ year, 1, durationYear ] + ]; -var PuRd = ramp(scheme$f); + function tickFormat(date) { + return (second(date) < date ? formatMillisecond + : minute(date) < date ? formatSecond + : hour(date) < date ? formatMinute + : day(date) < date ? formatHour + : month(date) < date ? (week(date) < date ? formatDay : formatWeek) + : year(date) < date ? formatMonth + : formatYear)(date); + } -var scheme$g = new Array(3).concat( - "fde0ddfa9fb5c51b8a", - "feebe2fbb4b9f768a1ae017e", - "feebe2fbb4b9f768a1c51b8a7a0177", - "feebe2fcc5c0fa9fb5f768a1c51b8a7a0177", - "feebe2fcc5c0fa9fb5f768a1dd3497ae017e7a0177", - "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a0177", - "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a017749006a" -).map(colors); + function tickInterval(interval, start, stop) { + if (interval == null) interval = 10; -var RdPu = ramp(scheme$g); + // If a desired tick count is specified, pick a reasonable tick interval + // based on the extent of the domain and a rough estimate of tick size. + // Otherwise, assume interval is already a time interval and use it. + if (typeof interval === "number") { + var target = Math.abs(stop - start) / interval, + i = bisector(function(i) { return i[2]; }).right(tickIntervals, target), + step; + if (i === tickIntervals.length) { + step = tickStep(start / durationYear, stop / durationYear, interval); + interval = year; + } else if (i) { + i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; + step = i[1]; + interval = i[0]; + } else { + step = Math.max(tickStep(start, stop, interval), 1); + interval = millisecond; + } + return interval.every(step); + } -var scheme$h = new Array(3).concat( - "edf8b17fcdbb2c7fb8", - "ffffcca1dab441b6c4225ea8", - "ffffcca1dab441b6c42c7fb8253494", - "ffffccc7e9b47fcdbb41b6c42c7fb8253494", - "ffffccc7e9b47fcdbb41b6c41d91c0225ea80c2c84", - "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea80c2c84", - "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea8253494081d58" -).map(colors); + return interval; + } -var YlGnBu = ramp(scheme$h); + scale.invert = function(y) { + return new Date(invert(y)); + }; -var scheme$i = new Array(3).concat( - "f7fcb9addd8e31a354", - "ffffccc2e69978c679238443", - "ffffccc2e69978c67931a354006837", - "ffffccd9f0a3addd8e78c67931a354006837", - "ffffccd9f0a3addd8e78c67941ab5d238443005a32", - "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443005a32", - "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443006837004529" -).map(colors); + scale.domain = function(_) { + return arguments.length ? domain(Array.from(_, number)) : domain().map(date); + }; -var YlGn = ramp(scheme$i); + scale.ticks = function(interval) { + var d = domain(), + t0 = d[0], + t1 = d[d.length - 1], + r = t1 < t0, + t; + if (r) t = t0, t0 = t1, t1 = t; + t = tickInterval(interval, t0, t1); + t = t ? t.range(t0, t1 + 1) : []; // inclusive stop + return r ? t.reverse() : t; + }; -var scheme$j = new Array(3).concat( - "fff7bcfec44fd95f0e", - "ffffd4fed98efe9929cc4c02", - "ffffd4fed98efe9929d95f0e993404", - "ffffd4fee391fec44ffe9929d95f0e993404", - "ffffd4fee391fec44ffe9929ec7014cc4c028c2d04", - "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c028c2d04", - "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c02993404662506" -).map(colors); + scale.tickFormat = function(count, specifier) { + return specifier == null ? tickFormat : format(specifier); + }; -var YlOrBr = ramp(scheme$j); + scale.nice = function(interval) { + var d = domain(); + return (interval = tickInterval(interval, d[0], d[d.length - 1])) + ? domain(nice(d, interval)) + : scale; + }; -var scheme$k = new Array(3).concat( - "ffeda0feb24cf03b20", - "ffffb2fecc5cfd8d3ce31a1c", - "ffffb2fecc5cfd8d3cf03b20bd0026", - "ffffb2fed976feb24cfd8d3cf03b20bd0026", - "ffffb2fed976feb24cfd8d3cfc4e2ae31a1cb10026", - "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cb10026", - "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cbd0026800026" -).map(colors); + scale.copy = function() { + return copy$1(scale, calendar(year, month, week, day, hour, minute, second, millisecond, format)); + }; -var YlOrRd = ramp(scheme$k); + return scale; +} -var scheme$l = new Array(3).concat( - "deebf79ecae13182bd", - "eff3ffbdd7e76baed62171b5", - "eff3ffbdd7e76baed63182bd08519c", - "eff3ffc6dbef9ecae16baed63182bd08519c", - "eff3ffc6dbef9ecae16baed64292c62171b5084594", - "f7fbffdeebf7c6dbef9ecae16baed64292c62171b5084594", - "f7fbffdeebf7c6dbef9ecae16baed64292c62171b508519c08306b" -).map(colors); +function time() { + return initRange.apply(calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments); +} -var Blues = ramp(scheme$l); +function utcTime() { + return initRange.apply(calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]), arguments); +} -var scheme$m = new Array(3).concat( - "e5f5e0a1d99b31a354", - "edf8e9bae4b374c476238b45", - "edf8e9bae4b374c47631a354006d2c", - "edf8e9c7e9c0a1d99b74c47631a354006d2c", - "edf8e9c7e9c0a1d99b74c47641ab5d238b45005a32", - "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45005a32", - "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45006d2c00441b" -).map(colors); +function transformer$1() { + var x0 = 0, + x1 = 1, + t0, + t1, + k10, + transform, + interpolator = identity$3, + clamp = false, + unknown; -var Greens = ramp(scheme$m); + function scale(x) { + return x == null || isNaN(x = +x) ? unknown : interpolator(k10 === 0 ? 0.5 : (x = (transform(x) - t0) * k10, clamp ? Math.max(0, Math.min(1, x)) : x)); + } -var scheme$n = new Array(3).concat( - "f0f0f0bdbdbd636363", - "f7f7f7cccccc969696525252", - "f7f7f7cccccc969696636363252525", - "f7f7f7d9d9d9bdbdbd969696636363252525", - "f7f7f7d9d9d9bdbdbd969696737373525252252525", - "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525", - "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525000000" -).map(colors); + scale.domain = function(_) { + return arguments.length ? ([x0, x1] = _, t0 = transform(x0 = +x0), t1 = transform(x1 = +x1), k10 = t0 === t1 ? 0 : 1 / (t1 - t0), scale) : [x0, x1]; + }; -var Greys = ramp(scheme$n); + scale.clamp = function(_) { + return arguments.length ? (clamp = !!_, scale) : clamp; + }; -var scheme$o = new Array(3).concat( - "efedf5bcbddc756bb1", - "f2f0f7cbc9e29e9ac86a51a3", - "f2f0f7cbc9e29e9ac8756bb154278f", - "f2f0f7dadaebbcbddc9e9ac8756bb154278f", - "f2f0f7dadaebbcbddc9e9ac8807dba6a51a34a1486", - "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a34a1486", - "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a354278f3f007d" -).map(colors); + scale.interpolator = function(_) { + return arguments.length ? (interpolator = _, scale) : interpolator; + }; -var Purples = ramp(scheme$o); + function range(interpolate) { + return function(_) { + var r0, r1; + return arguments.length ? ([r0, r1] = _, interpolator = interpolate(r0, r1), scale) : [interpolator(0), interpolator(1)]; + }; + } -var scheme$p = new Array(3).concat( - "fee0d2fc9272de2d26", - "fee5d9fcae91fb6a4acb181d", - "fee5d9fcae91fb6a4ade2d26a50f15", - "fee5d9fcbba1fc9272fb6a4ade2d26a50f15", - "fee5d9fcbba1fc9272fb6a4aef3b2ccb181d99000d", - "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181d99000d", - "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181da50f1567000d" -).map(colors); + scale.range = range(interpolate$2); -var Reds = ramp(scheme$p); + scale.rangeRound = range(interpolateRound); -var scheme$q = new Array(3).concat( - "fee6cefdae6be6550d", - "feeddefdbe85fd8d3cd94701", - "feeddefdbe85fd8d3ce6550da63603", - "feeddefdd0a2fdae6bfd8d3ce6550da63603", - "feeddefdd0a2fdae6bfd8d3cf16913d948018c2d04", - "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d948018c2d04", - "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d94801a636037f2704" -).map(colors); + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; -var Oranges = ramp(scheme$q); + return function(t) { + transform = t, t0 = t(x0), t1 = t(x1), k10 = t0 === t1 ? 0 : 1 / (t1 - t0); + return scale; + }; +} -function cividis(t) { - t = Math.max(0, Math.min(1, t)); - return "rgb(" - + Math.max(0, Math.min(255, Math.round(-4.54 - t * (35.34 - t * (2381.73 - t * (6402.7 - t * (7024.72 - t * 2710.57))))))) + ", " - + Math.max(0, Math.min(255, Math.round(32.49 + t * (170.73 + t * (52.82 - t * (131.46 - t * (176.58 - t * 67.37))))))) + ", " - + Math.max(0, Math.min(255, Math.round(81.24 + t * (442.36 - t * (2482.43 - t * (6167.24 - t * (6614.94 - t * 2475.67))))))) - + ")"; +function copy(source, target) { + return target + .domain(source.domain()) + .interpolator(source.interpolator()) + .clamp(source.clamp()) + .unknown(source.unknown()); } -var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); +function sequential() { + var scale = linearish(transformer$1()(identity$3)); -var warm = cubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); + scale.copy = function() { + return copy(scale, sequential()); + }; -var cool = cubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); + return initInterpolator.apply(scale, arguments); +} -var c = cubehelix(); +function sequentialLog() { + var scale = loggish(transformer$1()).domain([1, 10]); -function rainbow(t) { - if (t < 0 || t > 1) t -= Math.floor(t); - var ts = Math.abs(t - 0.5); - c.h = 360 * t - 100; - c.s = 1.5 - 1.5 * ts; - c.l = 0.8 - 0.9 * ts; - return c + ""; + scale.copy = function() { + return copy(scale, sequentialLog()).base(scale.base()); + }; + + return initInterpolator.apply(scale, arguments); } -var c$1 = rgb(), - pi_1_3 = Math.PI / 3, - pi_2_3 = Math.PI * 2 / 3; +function sequentialSymlog() { + var scale = symlogish(transformer$1()); -function sinebow(t) { - var x; - t = (0.5 - t) * Math.PI; - c$1.r = 255 * (x = Math.sin(t)) * x; - c$1.g = 255 * (x = Math.sin(t + pi_1_3)) * x; - c$1.b = 255 * (x = Math.sin(t + pi_2_3)) * x; - return c$1 + ""; -} + scale.copy = function() { + return copy(scale, sequentialSymlog()).constant(scale.constant()); + }; -function turbo(t) { - t = Math.max(0, Math.min(1, t)); - return "rgb(" - + Math.max(0, Math.min(255, Math.round(34.61 + t * (1172.33 - t * (10793.56 - t * (33300.12 - t * (38394.49 - t * 14825.05))))))) + ", " - + Math.max(0, Math.min(255, Math.round(23.31 + t * (557.33 + t * (1225.33 - t * (3574.96 - t * (1073.77 + t * 707.56))))))) + ", " - + Math.max(0, Math.min(255, Math.round(27.2 + t * (3211.1 - t * (15327.97 - t * (27814 - t * (22569.18 - t * 6838.66))))))) - + ")"; + return initInterpolator.apply(scale, arguments); } -function ramp$1(range) { - var n = range.length; - return function(t) { - return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; +function sequentialPow() { + var scale = powish(transformer$1()); + + scale.copy = function() { + return copy(scale, sequentialPow()).exponent(scale.exponent()); }; + + return initInterpolator.apply(scale, arguments); +} + +function sequentialSqrt() { + return sequentialPow.apply(null, arguments).exponent(0.5); } -var viridis = ramp$1(colors("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")); +function sequentialQuantile() { + var domain = [], + interpolator = identity$3; + + function scale(x) { + if (x != null && !isNaN(x = +x)) return interpolator((bisectRight(domain, x, 1) - 1) / (domain.length - 1)); + } + + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = []; + for (let d of _) if (d != null && !isNaN(d = +d)) domain.push(d); + domain.sort(ascending$3); + return scale; + }; -var magma = ramp$1(colors("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")); + scale.interpolator = function(_) { + return arguments.length ? (interpolator = _, scale) : interpolator; + }; -var inferno = ramp$1(colors("00000401000501010601010802010a02020c02020e03021004031204031405041706041907051b08051d09061f0a07220b07240c08260d08290e092b10092d110a30120a32140b34150b37160b39180c3c190c3e1b0c411c0c431e0c451f0c48210c4a230c4c240c4f260c51280b53290b552b0b572d0b592f0a5b310a5c320a5e340a5f3609613809623909633b09643d09653e0966400a67420a68440a68450a69470b6a490b6a4a0c6b4c0c6b4d0d6c4f0d6c510e6c520e6d540f6d550f6d57106e59106e5a116e5c126e5d126e5f136e61136e62146e64156e65156e67166e69166e6a176e6c186e6d186e6f196e71196e721a6e741a6e751b6e771c6d781c6d7a1d6d7c1d6d7d1e6d7f1e6c801f6c82206c84206b85216b87216b88226a8a226a8c23698d23698f24699025689225689326679526679727669827669a28659b29649d29649f2a63a02a63a22b62a32c61a52c60a62d60a82e5fa92e5eab2f5ead305dae305cb0315bb1325ab3325ab43359b63458b73557b93556ba3655bc3754bd3853bf3952c03a51c13a50c33b4fc43c4ec63d4dc73e4cc83f4bca404acb4149cc4248ce4347cf4446d04545d24644d34743d44842d54a41d74b3fd84c3ed94d3dda4e3cdb503bdd513ade5238df5337e05536e15635e25734e35933e45a31e55c30e65d2fe75e2ee8602de9612bea632aeb6429eb6628ec6726ed6925ee6a24ef6c23ef6e21f06f20f1711ff1731df2741cf3761bf37819f47918f57b17f57d15f67e14f68013f78212f78410f8850ff8870ef8890cf98b0bf98c0af98e09fa9008fa9207fa9407fb9606fb9706fb9906fb9b06fb9d07fc9f07fca108fca309fca50afca60cfca80dfcaa0ffcac11fcae12fcb014fcb216fcb418fbb61afbb81dfbba1ffbbc21fbbe23fac026fac228fac42afac62df9c72ff9c932f9cb35f8cd37f8cf3af7d13df7d340f6d543f6d746f5d949f5db4cf4dd4ff4df53f4e156f3e35af3e55df2e661f2e865f2ea69f1ec6df1ed71f1ef75f1f179f2f27df2f482f3f586f3f68af4f88ef5f992f6fa96f8fb9af9fc9dfafda1fcffa4")); + scale.range = function() { + return domain.map((d, i) => interpolator(i / (domain.length - 1))); + }; -var plasma = ramp$1(colors("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")); + scale.quantiles = function(n) { + return Array.from({length: n + 1}, (_, i) => quantile$1(domain, i / n)); + }; -function constant$b(x) { - return function constant() { - return x; + scale.copy = function() { + return sequentialQuantile(interpolator).domain(domain); }; + + return initInterpolator.apply(scale, arguments); } -var abs$1 = Math.abs; -var atan2$1 = Math.atan2; -var cos$2 = Math.cos; -var max$2 = Math.max; -var min$1 = Math.min; -var sin$2 = Math.sin; -var sqrt$2 = Math.sqrt; +function transformer() { + var x0 = 0, + x1 = 0.5, + x2 = 1, + s = 1, + t0, + t1, + t2, + k10, + k21, + interpolator = identity$3, + transform, + clamp = false, + unknown; + + function scale(x) { + return isNaN(x = +x) ? unknown : (x = 0.5 + ((x = +transform(x)) - t1) * (s * x < s * t1 ? k10 : k21), interpolator(clamp ? Math.max(0, Math.min(1, x)) : x)); + } -var epsilon$3 = 1e-12; -var pi$4 = Math.PI; -var halfPi$3 = pi$4 / 2; -var tau$4 = 2 * pi$4; + scale.domain = function(_) { + return arguments.length ? ([x0, x1, x2] = _, t0 = transform(x0 = +x0), t1 = transform(x1 = +x1), t2 = transform(x2 = +x2), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1), s = t1 < t0 ? -1 : 1, scale) : [x0, x1, x2]; + }; -function acos$1(x) { - return x > 1 ? 0 : x < -1 ? pi$4 : Math.acos(x); -} + scale.clamp = function(_) { + return arguments.length ? (clamp = !!_, scale) : clamp; + }; -function asin$1(x) { - return x >= 1 ? halfPi$3 : x <= -1 ? -halfPi$3 : Math.asin(x); -} + scale.interpolator = function(_) { + return arguments.length ? (interpolator = _, scale) : interpolator; + }; -function arcInnerRadius(d) { - return d.innerRadius; -} + function range(interpolate) { + return function(_) { + var r0, r1, r2; + return arguments.length ? ([r0, r1, r2] = _, interpolator = piecewise(interpolate, [r0, r1, r2]), scale) : [interpolator(0), interpolator(0.5), interpolator(1)]; + }; + } -function arcOuterRadius(d) { - return d.outerRadius; -} + scale.range = range(interpolate$2); -function arcStartAngle(d) { - return d.startAngle; + scale.rangeRound = range(interpolateRound); + + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + + return function(t) { + transform = t, t0 = t(x0), t1 = t(x1), t2 = t(x2), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1), s = t1 < t0 ? -1 : 1; + return scale; + }; } -function arcEndAngle(d) { - return d.endAngle; -} +function diverging$1() { + var scale = linearish(transformer()(identity$3)); -function arcPadAngle(d) { - return d && d.padAngle; // Note: optional! -} + scale.copy = function() { + return copy(scale, diverging$1()); + }; -function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { - var x10 = x1 - x0, y10 = y1 - y0, - x32 = x3 - x2, y32 = y3 - y2, - t = y32 * x10 - x32 * y10; - if (t * t < epsilon$3) return; - t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / t; - return [x0 + t * x10, y0 + t * y10]; + return initInterpolator.apply(scale, arguments); } -// Compute perpendicular offset line of length rc. -// http://mathworld.wolfram.com/Circle-LineIntersection.html -function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { - var x01 = x0 - x1, - y01 = y0 - y1, - lo = (cw ? rc : -rc) / sqrt$2(x01 * x01 + y01 * y01), - ox = lo * y01, - oy = -lo * x01, - x11 = x0 + ox, - y11 = y0 + oy, - x10 = x1 + ox, - y10 = y1 + oy, - x00 = (x11 + x10) / 2, - y00 = (y11 + y10) / 2, - dx = x10 - x11, - dy = y10 - y11, - d2 = dx * dx + dy * dy, - r = r1 - rc, - D = x11 * y10 - x10 * y11, - d = (dy < 0 ? -1 : 1) * sqrt$2(max$2(0, r * r * d2 - D * D)), - cx0 = (D * dy - dx * d) / d2, - cy0 = (-D * dx - dy * d) / d2, - cx1 = (D * dy + dx * d) / d2, - cy1 = (-D * dx + dy * d) / d2, - dx0 = cx0 - x00, - dy0 = cy0 - y00, - dx1 = cx1 - x00, - dy1 = cy1 - y00; - - // Pick the closer of the two intersection points. - // TODO Is there a faster way to determine which intersection to use? - if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; +function divergingLog() { + var scale = loggish(transformer()).domain([0.1, 1, 10]); - return { - cx: cx0, - cy: cy0, - x01: -ox, - y01: -oy, - x11: cx0 * (r1 / r - 1), - y11: cy0 * (r1 / r - 1) + scale.copy = function() { + return copy(scale, divergingLog()).base(scale.base()); }; + + return initInterpolator.apply(scale, arguments); } -function arc() { - var innerRadius = arcInnerRadius, - outerRadius = arcOuterRadius, - cornerRadius = constant$b(0), - padRadius = null, - startAngle = arcStartAngle, - endAngle = arcEndAngle, - padAngle = arcPadAngle, - context = null; +function divergingSymlog() { + var scale = symlogish(transformer()); - function arc() { - var buffer, - r, - r0 = +innerRadius.apply(this, arguments), - r1 = +outerRadius.apply(this, arguments), - a0 = startAngle.apply(this, arguments) - halfPi$3, - a1 = endAngle.apply(this, arguments) - halfPi$3, - da = abs$1(a1 - a0), - cw = a1 > a0; + scale.copy = function() { + return copy(scale, divergingSymlog()).constant(scale.constant()); + }; - if (!context) context = buffer = path(); + return initInterpolator.apply(scale, arguments); +} - // Ensure that the outer radius is always larger than the inner radius. - if (r1 < r0) r = r1, r1 = r0, r0 = r; +function divergingPow() { + var scale = powish(transformer()); - // Is it a point? - if (!(r1 > epsilon$3)) context.moveTo(0, 0); + scale.copy = function() { + return copy(scale, divergingPow()).exponent(scale.exponent()); + }; - // Or is it a circle or annulus? - else if (da > tau$4 - epsilon$3) { - context.moveTo(r1 * cos$2(a0), r1 * sin$2(a0)); - context.arc(0, 0, r1, a0, a1, !cw); - if (r0 > epsilon$3) { - context.moveTo(r0 * cos$2(a1), r0 * sin$2(a1)); - context.arc(0, 0, r0, a1, a0, cw); - } - } + return initInterpolator.apply(scale, arguments); +} - // Or is it a circular or annular sector? - else { - var a01 = a0, - a11 = a1, - a00 = a0, - a10 = a1, - da0 = da, - da1 = da, - ap = padAngle.apply(this, arguments) / 2, - rp = (ap > epsilon$3) && (padRadius ? +padRadius.apply(this, arguments) : sqrt$2(r0 * r0 + r1 * r1)), - rc = min$1(abs$1(r1 - r0) / 2, +cornerRadius.apply(this, arguments)), - rc0 = rc, - rc1 = rc, - t0, - t1; +function divergingSqrt() { + return divergingPow.apply(null, arguments).exponent(0.5); +} - // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0. - if (rp > epsilon$3) { - var p0 = asin$1(rp / r0 * sin$2(ap)), - p1 = asin$1(rp / r1 * sin$2(ap)); - if ((da0 -= p0 * 2) > epsilon$3) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0; - else da0 = 0, a00 = a10 = (a0 + a1) / 2; - if ((da1 -= p1 * 2) > epsilon$3) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1; - else da1 = 0, a01 = a11 = (a0 + a1) / 2; - } +function colors(specifier) { + var n = specifier.length / 6 | 0, colors = new Array(n), i = 0; + while (i < n) colors[i] = "#" + specifier.slice(i * 6, ++i * 6); + return colors; +} - var x01 = r1 * cos$2(a01), - y01 = r1 * sin$2(a01), - x10 = r0 * cos$2(a10), - y10 = r0 * sin$2(a10); +var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); - // Apply rounded corners? - if (rc > epsilon$3) { - var x11 = r1 * cos$2(a11), - y11 = r1 * sin$2(a11), - x00 = r0 * cos$2(a00), - y00 = r0 * sin$2(a00), - oc; +var Accent = colors("7fc97fbeaed4fdc086ffff99386cb0f0027fbf5b17666666"); - // Restrict the corner radius according to the sector angle. - if (da < pi$4 && (oc = intersect(x01, y01, x00, y00, x11, y11, x10, y10))) { - var ax = x01 - oc[0], - ay = y01 - oc[1], - bx = x11 - oc[0], - by = y11 - oc[1], - kc = 1 / sin$2(acos$1((ax * bx + ay * by) / (sqrt$2(ax * ax + ay * ay) * sqrt$2(bx * bx + by * by))) / 2), - lc = sqrt$2(oc[0] * oc[0] + oc[1] * oc[1]); - rc0 = min$1(rc, (r0 - lc) / (kc - 1)); - rc1 = min$1(rc, (r1 - lc) / (kc + 1)); - } - } +var Dark2 = colors("1b9e77d95f027570b3e7298a66a61ee6ab02a6761d666666"); - // Is the sector collapsed to a line? - if (!(da1 > epsilon$3)) context.moveTo(x01, y01); +var Paired = colors("a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00cab2d66a3d9affff99b15928"); - // Does the sector’s outer ring have rounded corners? - else if (rc1 > epsilon$3) { - t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw); - t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw); +var Pastel1 = colors("fbb4aeb3cde3ccebc5decbe4fed9a6ffffcce5d8bdfddaecf2f2f2"); - context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01); +var Pastel2 = colors("b3e2cdfdcdaccbd5e8f4cae4e6f5c9fff2aef1e2cccccccc"); - // Have the corners merged? - if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, atan2$1(t0.y01, t0.x01), atan2$1(t1.y01, t1.x01), !cw); +var Set1 = colors("e41a1c377eb84daf4a984ea3ff7f00ffff33a65628f781bf999999"); - // Otherwise, draw the two corners and the ring. - else { - context.arc(t0.cx, t0.cy, rc1, atan2$1(t0.y01, t0.x01), atan2$1(t0.y11, t0.x11), !cw); - context.arc(0, 0, r1, atan2$1(t0.cy + t0.y11, t0.cx + t0.x11), atan2$1(t1.cy + t1.y11, t1.cx + t1.x11), !cw); - context.arc(t1.cx, t1.cy, rc1, atan2$1(t1.y11, t1.x11), atan2$1(t1.y01, t1.x01), !cw); - } - } +var Set2 = colors("66c2a5fc8d628da0cbe78ac3a6d854ffd92fe5c494b3b3b3"); - // Or is the outer ring just a circular arc? - else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw); +var Set3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5ffed6f"); - // Is there no inner ring, and it’s a circular sector? - // Or perhaps it’s an annular sector collapsed due to padding? - if (!(r0 > epsilon$3) || !(da0 > epsilon$3)) context.lineTo(x10, y10); +var Tableau10 = colors("4e79a7f28e2ce1575976b7b259a14fedc949af7aa1ff9da79c755fbab0ab"); - // Does the sector’s inner ring (or point) have rounded corners? - else if (rc0 > epsilon$3) { - t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw); - t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw); +var ramp$1 = scheme => rgbBasis(scheme[scheme.length - 1]); - context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01); +var scheme$q = new Array(3).concat( + "d8b365f5f5f55ab4ac", + "a6611adfc27d80cdc1018571", + "a6611adfc27df5f5f580cdc1018571", + "8c510ad8b365f6e8c3c7eae55ab4ac01665e", + "8c510ad8b365f6e8c3f5f5f5c7eae55ab4ac01665e", + "8c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e", + "8c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e", + "5430058c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e003c30", + "5430058c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e003c30" +).map(colors); - // Have the corners merged? - if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, atan2$1(t0.y01, t0.x01), atan2$1(t1.y01, t1.x01), !cw); +var BrBG = ramp$1(scheme$q); - // Otherwise, draw the two corners and the ring. - else { - context.arc(t0.cx, t0.cy, rc0, atan2$1(t0.y01, t0.x01), atan2$1(t0.y11, t0.x11), !cw); - context.arc(0, 0, r0, atan2$1(t0.cy + t0.y11, t0.cx + t0.x11), atan2$1(t1.cy + t1.y11, t1.cx + t1.x11), cw); - context.arc(t1.cx, t1.cy, rc0, atan2$1(t1.y11, t1.x11), atan2$1(t1.y01, t1.x01), !cw); - } - } +var scheme$p = new Array(3).concat( + "af8dc3f7f7f77fbf7b", + "7b3294c2a5cfa6dba0008837", + "7b3294c2a5cff7f7f7a6dba0008837", + "762a83af8dc3e7d4e8d9f0d37fbf7b1b7837", + "762a83af8dc3e7d4e8f7f7f7d9f0d37fbf7b1b7837", + "762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b7837", + "762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b7837", + "40004b762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b783700441b", + "40004b762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b783700441b" +).map(colors); - // Or is the inner ring just a circular arc? - else context.arc(0, 0, r0, a10, a00, cw); - } +var PRGn = ramp$1(scheme$p); - context.closePath(); +var scheme$o = new Array(3).concat( + "e9a3c9f7f7f7a1d76a", + "d01c8bf1b6dab8e1864dac26", + "d01c8bf1b6daf7f7f7b8e1864dac26", + "c51b7de9a3c9fde0efe6f5d0a1d76a4d9221", + "c51b7de9a3c9fde0eff7f7f7e6f5d0a1d76a4d9221", + "c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221", + "c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221", + "8e0152c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221276419", + "8e0152c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221276419" +).map(colors); - if (buffer) return context = null, buffer + "" || null; - } +var PiYG = ramp$1(scheme$o); - arc.centroid = function() { - var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, - a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi$4 / 2; - return [cos$2(a) * r, sin$2(a) * r]; - }; +var scheme$n = new Array(3).concat( + "998ec3f7f7f7f1a340", + "5e3c99b2abd2fdb863e66101", + "5e3c99b2abd2f7f7f7fdb863e66101", + "542788998ec3d8daebfee0b6f1a340b35806", + "542788998ec3d8daebf7f7f7fee0b6f1a340b35806", + "5427888073acb2abd2d8daebfee0b6fdb863e08214b35806", + "5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b35806", + "2d004b5427888073acb2abd2d8daebfee0b6fdb863e08214b358067f3b08", + "2d004b5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b358067f3b08" +).map(colors); - arc.innerRadius = function(_) { - return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$b(+_), arc) : innerRadius; - }; +var PuOr = ramp$1(scheme$n); - arc.outerRadius = function(_) { - return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$b(+_), arc) : outerRadius; - }; +var scheme$m = new Array(3).concat( + "ef8a62f7f7f767a9cf", + "ca0020f4a58292c5de0571b0", + "ca0020f4a582f7f7f792c5de0571b0", + "b2182bef8a62fddbc7d1e5f067a9cf2166ac", + "b2182bef8a62fddbc7f7f7f7d1e5f067a9cf2166ac", + "b2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac", + "b2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac", + "67001fb2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac053061", + "67001fb2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac053061" +).map(colors); - arc.cornerRadius = function(_) { - return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$b(+_), arc) : cornerRadius; - }; +var RdBu = ramp$1(scheme$m); - arc.padRadius = function(_) { - return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$b(+_), arc) : padRadius; - }; +var scheme$l = new Array(3).concat( + "ef8a62ffffff999999", + "ca0020f4a582bababa404040", + "ca0020f4a582ffffffbababa404040", + "b2182bef8a62fddbc7e0e0e09999994d4d4d", + "b2182bef8a62fddbc7ffffffe0e0e09999994d4d4d", + "b2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d", + "b2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d", + "67001fb2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d1a1a1a", + "67001fb2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d1a1a1a" +).map(colors); - arc.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$b(+_), arc) : startAngle; - }; +var RdGy = ramp$1(scheme$l); - arc.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$b(+_), arc) : endAngle; - }; +var scheme$k = new Array(3).concat( + "fc8d59ffffbf91bfdb", + "d7191cfdae61abd9e92c7bb6", + "d7191cfdae61ffffbfabd9e92c7bb6", + "d73027fc8d59fee090e0f3f891bfdb4575b4", + "d73027fc8d59fee090ffffbfe0f3f891bfdb4575b4", + "d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4", + "d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4", + "a50026d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4313695", + "a50026d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4313695" +).map(colors); + +var RdYlBu = ramp$1(scheme$k); + +var scheme$j = new Array(3).concat( + "fc8d59ffffbf91cf60", + "d7191cfdae61a6d96a1a9641", + "d7191cfdae61ffffbfa6d96a1a9641", + "d73027fc8d59fee08bd9ef8b91cf601a9850", + "d73027fc8d59fee08bffffbfd9ef8b91cf601a9850", + "d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850", + "d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850", + "a50026d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850006837", + "a50026d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850006837" +).map(colors); - arc.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$b(+_), arc) : padAngle; - }; +var RdYlGn = ramp$1(scheme$j); - arc.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), arc) : context; - }; +var scheme$i = new Array(3).concat( + "fc8d59ffffbf99d594", + "d7191cfdae61abdda42b83ba", + "d7191cfdae61ffffbfabdda42b83ba", + "d53e4ffc8d59fee08be6f59899d5943288bd", + "d53e4ffc8d59fee08bffffbfe6f59899d5943288bd", + "d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd", + "d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd", + "9e0142d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd5e4fa2", + "9e0142d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd5e4fa2" +).map(colors); - return arc; -} +var Spectral = ramp$1(scheme$i); -function Linear(context) { - this._context = context; -} +var scheme$h = new Array(3).concat( + "e5f5f999d8c92ca25f", + "edf8fbb2e2e266c2a4238b45", + "edf8fbb2e2e266c2a42ca25f006d2c", + "edf8fbccece699d8c966c2a42ca25f006d2c", + "edf8fbccece699d8c966c2a441ae76238b45005824", + "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45005824", + "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45006d2c00441b" +).map(colors); -Linear.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed - default: this._context.lineTo(x, y); break; - } - } -}; +var BuGn = ramp$1(scheme$h); -function curveLinear(context) { - return new Linear(context); -} +var scheme$g = new Array(3).concat( + "e0ecf49ebcda8856a7", + "edf8fbb3cde38c96c688419d", + "edf8fbb3cde38c96c68856a7810f7c", + "edf8fbbfd3e69ebcda8c96c68856a7810f7c", + "edf8fbbfd3e69ebcda8c96c68c6bb188419d6e016b", + "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d6e016b", + "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d810f7c4d004b" +).map(colors); -function x$3(p) { - return p[0]; -} +var BuPu = ramp$1(scheme$g); -function y$3(p) { - return p[1]; -} +var scheme$f = new Array(3).concat( + "e0f3dba8ddb543a2ca", + "f0f9e8bae4bc7bccc42b8cbe", + "f0f9e8bae4bc7bccc443a2ca0868ac", + "f0f9e8ccebc5a8ddb57bccc443a2ca0868ac", + "f0f9e8ccebc5a8ddb57bccc44eb3d32b8cbe08589e", + "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe08589e", + "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe0868ac084081" +).map(colors); -function line() { - var x = x$3, - y = y$3, - defined = constant$b(true), - context = null, - curve = curveLinear, - output = null; +var GnBu = ramp$1(scheme$f); - function line(data) { - var i, - n = data.length, - d, - defined0 = false, - buffer; +var scheme$e = new Array(3).concat( + "fee8c8fdbb84e34a33", + "fef0d9fdcc8afc8d59d7301f", + "fef0d9fdcc8afc8d59e34a33b30000", + "fef0d9fdd49efdbb84fc8d59e34a33b30000", + "fef0d9fdd49efdbb84fc8d59ef6548d7301f990000", + "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301f990000", + "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301fb300007f0000" +).map(colors); - if (context == null) output = curve(buffer = path()); +var OrRd = ramp$1(scheme$e); - for (i = 0; i <= n; ++i) { - if (!(i < n && defined(d = data[i], i, data)) === defined0) { - if (defined0 = !defined0) output.lineStart(); - else output.lineEnd(); - } - if (defined0) output.point(+x(d, i, data), +y(d, i, data)); - } +var scheme$d = new Array(3).concat( + "ece2f0a6bddb1c9099", + "f6eff7bdc9e167a9cf02818a", + "f6eff7bdc9e167a9cf1c9099016c59", + "f6eff7d0d1e6a6bddb67a9cf1c9099016c59", + "f6eff7d0d1e6a6bddb67a9cf3690c002818a016450", + "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016450", + "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016c59014636" +).map(colors); - if (buffer) return output = null, buffer + "" || null; - } +var PuBuGn = ramp$1(scheme$d); - line.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$b(+_), line) : x; - }; +var scheme$c = new Array(3).concat( + "ece7f2a6bddb2b8cbe", + "f1eef6bdc9e174a9cf0570b0", + "f1eef6bdc9e174a9cf2b8cbe045a8d", + "f1eef6d0d1e6a6bddb74a9cf2b8cbe045a8d", + "f1eef6d0d1e6a6bddb74a9cf3690c00570b0034e7b", + "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0034e7b", + "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0045a8d023858" +).map(colors); - line.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$b(+_), line) : y; - }; +var PuBu = ramp$1(scheme$c); - line.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$b(!!_), line) : defined; - }; +var scheme$b = new Array(3).concat( + "e7e1efc994c7dd1c77", + "f1eef6d7b5d8df65b0ce1256", + "f1eef6d7b5d8df65b0dd1c77980043", + "f1eef6d4b9dac994c7df65b0dd1c77980043", + "f1eef6d4b9dac994c7df65b0e7298ace125691003f", + "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125691003f", + "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125698004367001f" +).map(colors); - line.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; - }; +var PuRd = ramp$1(scheme$b); - line.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; - }; +var scheme$a = new Array(3).concat( + "fde0ddfa9fb5c51b8a", + "feebe2fbb4b9f768a1ae017e", + "feebe2fbb4b9f768a1c51b8a7a0177", + "feebe2fcc5c0fa9fb5f768a1c51b8a7a0177", + "feebe2fcc5c0fa9fb5f768a1dd3497ae017e7a0177", + "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a0177", + "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a017749006a" +).map(colors); - return line; -} +var RdPu = ramp$1(scheme$a); -function area$3() { - var x0 = x$3, - x1 = null, - y0 = constant$b(0), - y1 = y$3, - defined = constant$b(true), - context = null, - curve = curveLinear, - output = null; +var scheme$9 = new Array(3).concat( + "edf8b17fcdbb2c7fb8", + "ffffcca1dab441b6c4225ea8", + "ffffcca1dab441b6c42c7fb8253494", + "ffffccc7e9b47fcdbb41b6c42c7fb8253494", + "ffffccc7e9b47fcdbb41b6c41d91c0225ea80c2c84", + "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea80c2c84", + "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea8253494081d58" +).map(colors); - function area(data) { - var i, - j, - k, - n = data.length, - d, - defined0 = false, - buffer, - x0z = new Array(n), - y0z = new Array(n); +var YlGnBu = ramp$1(scheme$9); - if (context == null) output = curve(buffer = path()); +var scheme$8 = new Array(3).concat( + "f7fcb9addd8e31a354", + "ffffccc2e69978c679238443", + "ffffccc2e69978c67931a354006837", + "ffffccd9f0a3addd8e78c67931a354006837", + "ffffccd9f0a3addd8e78c67941ab5d238443005a32", + "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443005a32", + "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443006837004529" +).map(colors); - for (i = 0; i <= n; ++i) { - if (!(i < n && defined(d = data[i], i, data)) === defined0) { - if (defined0 = !defined0) { - j = i; - output.areaStart(); - output.lineStart(); - } else { - output.lineEnd(); - output.lineStart(); - for (k = i - 1; k >= j; --k) { - output.point(x0z[k], y0z[k]); - } - output.lineEnd(); - output.areaEnd(); - } - } - if (defined0) { - x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data); - output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]); - } - } +var YlGn = ramp$1(scheme$8); - if (buffer) return output = null, buffer + "" || null; - } +var scheme$7 = new Array(3).concat( + "fff7bcfec44fd95f0e", + "ffffd4fed98efe9929cc4c02", + "ffffd4fed98efe9929d95f0e993404", + "ffffd4fee391fec44ffe9929d95f0e993404", + "ffffd4fee391fec44ffe9929ec7014cc4c028c2d04", + "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c028c2d04", + "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c02993404662506" +).map(colors); - function arealine() { - return line().defined(defined).curve(curve).context(context); - } +var YlOrBr = ramp$1(scheme$7); - area.x = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$b(+_), x1 = null, area) : x0; - }; +var scheme$6 = new Array(3).concat( + "ffeda0feb24cf03b20", + "ffffb2fecc5cfd8d3ce31a1c", + "ffffb2fecc5cfd8d3cf03b20bd0026", + "ffffb2fed976feb24cfd8d3cf03b20bd0026", + "ffffb2fed976feb24cfd8d3cfc4e2ae31a1cb10026", + "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cb10026", + "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cbd0026800026" +).map(colors); - area.x0 = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$b(+_), area) : x0; - }; +var YlOrRd = ramp$1(scheme$6); - area.x1 = function(_) { - return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$b(+_), area) : x1; - }; +var scheme$5 = new Array(3).concat( + "deebf79ecae13182bd", + "eff3ffbdd7e76baed62171b5", + "eff3ffbdd7e76baed63182bd08519c", + "eff3ffc6dbef9ecae16baed63182bd08519c", + "eff3ffc6dbef9ecae16baed64292c62171b5084594", + "f7fbffdeebf7c6dbef9ecae16baed64292c62171b5084594", + "f7fbffdeebf7c6dbef9ecae16baed64292c62171b508519c08306b" +).map(colors); - area.y = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$b(+_), y1 = null, area) : y0; - }; +var Blues = ramp$1(scheme$5); - area.y0 = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$b(+_), area) : y0; - }; +var scheme$4 = new Array(3).concat( + "e5f5e0a1d99b31a354", + "edf8e9bae4b374c476238b45", + "edf8e9bae4b374c47631a354006d2c", + "edf8e9c7e9c0a1d99b74c47631a354006d2c", + "edf8e9c7e9c0a1d99b74c47641ab5d238b45005a32", + "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45005a32", + "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45006d2c00441b" +).map(colors); - area.y1 = function(_) { - return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$b(+_), area) : y1; - }; +var Greens = ramp$1(scheme$4); - area.lineX0 = - area.lineY0 = function() { - return arealine().x(x0).y(y0); - }; +var scheme$3 = new Array(3).concat( + "f0f0f0bdbdbd636363", + "f7f7f7cccccc969696525252", + "f7f7f7cccccc969696636363252525", + "f7f7f7d9d9d9bdbdbd969696636363252525", + "f7f7f7d9d9d9bdbdbd969696737373525252252525", + "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525", + "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525000000" +).map(colors); - area.lineY1 = function() { - return arealine().x(x0).y(y1); - }; +var Greys = ramp$1(scheme$3); - area.lineX1 = function() { - return arealine().x(x1).y(y0); - }; +var scheme$2 = new Array(3).concat( + "efedf5bcbddc756bb1", + "f2f0f7cbc9e29e9ac86a51a3", + "f2f0f7cbc9e29e9ac8756bb154278f", + "f2f0f7dadaebbcbddc9e9ac8756bb154278f", + "f2f0f7dadaebbcbddc9e9ac8807dba6a51a34a1486", + "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a34a1486", + "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a354278f3f007d" +).map(colors); - area.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$b(!!_), area) : defined; - }; +var Purples = ramp$1(scheme$2); - area.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; - }; +var scheme$1 = new Array(3).concat( + "fee0d2fc9272de2d26", + "fee5d9fcae91fb6a4acb181d", + "fee5d9fcae91fb6a4ade2d26a50f15", + "fee5d9fcbba1fc9272fb6a4ade2d26a50f15", + "fee5d9fcbba1fc9272fb6a4aef3b2ccb181d99000d", + "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181d99000d", + "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181da50f1567000d" +).map(colors); - area.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; - }; +var Reds = ramp$1(scheme$1); - return area; -} +var scheme = new Array(3).concat( + "fee6cefdae6be6550d", + "feeddefdbe85fd8d3cd94701", + "feeddefdbe85fd8d3ce6550da63603", + "feeddefdd0a2fdae6bfd8d3ce6550da63603", + "feeddefdd0a2fdae6bfd8d3cf16913d948018c2d04", + "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d948018c2d04", + "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d94801a636037f2704" +).map(colors); -function descending$1(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; -} +var Oranges = ramp$1(scheme); -function identity$8(d) { - return d; +function cividis(t) { + t = Math.max(0, Math.min(1, t)); + return "rgb(" + + Math.max(0, Math.min(255, Math.round(-4.54 - t * (35.34 - t * (2381.73 - t * (6402.7 - t * (7024.72 - t * 2710.57))))))) + ", " + + Math.max(0, Math.min(255, Math.round(32.49 + t * (170.73 + t * (52.82 - t * (131.46 - t * (176.58 - t * 67.37))))))) + ", " + + Math.max(0, Math.min(255, Math.round(81.24 + t * (442.36 - t * (2482.43 - t * (6167.24 - t * (6614.94 - t * 2475.67))))))) + + ")"; } -function pie() { - var value = identity$8, - sortValues = descending$1, - sort = null, - startAngle = constant$b(0), - endAngle = constant$b(tau$4), - padAngle = constant$b(0); - - function pie(data) { - var i, - n = data.length, - j, - k, - sum = 0, - index = new Array(n), - arcs = new Array(n), - a0 = +startAngle.apply(this, arguments), - da = Math.min(tau$4, Math.max(-tau$4, endAngle.apply(this, arguments) - a0)), - a1, - p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)), - pa = p * (da < 0 ? -1 : 1), - v; +var cubehelix = cubehelixLong(cubehelix$3(300, 0.5, 0.0), cubehelix$3(-240, 0.5, 1.0)); - for (i = 0; i < n; ++i) { - if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) { - sum += v; - } - } +var warm = cubehelixLong(cubehelix$3(-100, 0.75, 0.35), cubehelix$3(80, 1.50, 0.8)); - // Optionally sort the arcs by previously-computed values or by data. - if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); }); - else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); }); +var cool = cubehelixLong(cubehelix$3(260, 0.75, 0.35), cubehelix$3(80, 1.50, 0.8)); - // Compute the arcs! They are stored in the original data's order. - for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) { - j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = { - data: data[j], - index: i, - value: v, - startAngle: a0, - endAngle: a1, - padAngle: p - }; - } +var c$2 = cubehelix$3(); - return arcs; - } +function rainbow(t) { + if (t < 0 || t > 1) t -= Math.floor(t); + var ts = Math.abs(t - 0.5); + c$2.h = 360 * t - 100; + c$2.s = 1.5 - 1.5 * ts; + c$2.l = 0.8 - 0.9 * ts; + return c$2 + ""; +} - pie.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$b(+_), pie) : value; - }; +var c$1 = rgb(), + pi_1_3 = Math.PI / 3, + pi_2_3 = Math.PI * 2 / 3; - pie.sortValues = function(_) { - return arguments.length ? (sortValues = _, sort = null, pie) : sortValues; - }; +function sinebow(t) { + var x; + t = (0.5 - t) * Math.PI; + c$1.r = 255 * (x = Math.sin(t)) * x; + c$1.g = 255 * (x = Math.sin(t + pi_1_3)) * x; + c$1.b = 255 * (x = Math.sin(t + pi_2_3)) * x; + return c$1 + ""; +} - pie.sort = function(_) { - return arguments.length ? (sort = _, sortValues = null, pie) : sort; - }; +function turbo(t) { + t = Math.max(0, Math.min(1, t)); + return "rgb(" + + Math.max(0, Math.min(255, Math.round(34.61 + t * (1172.33 - t * (10793.56 - t * (33300.12 - t * (38394.49 - t * 14825.05))))))) + ", " + + Math.max(0, Math.min(255, Math.round(23.31 + t * (557.33 + t * (1225.33 - t * (3574.96 - t * (1073.77 + t * 707.56))))))) + ", " + + Math.max(0, Math.min(255, Math.round(27.2 + t * (3211.1 - t * (15327.97 - t * (27814 - t * (22569.18 - t * 6838.66))))))) + + ")"; +} - pie.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$b(+_), pie) : startAngle; +function ramp(range) { + var n = range.length; + return function(t) { + return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; }; +} - pie.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$b(+_), pie) : endAngle; - }; +var viridis = ramp(colors("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")); - pie.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$b(+_), pie) : padAngle; - }; +var magma = ramp(colors("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")); - return pie; -} +var inferno = ramp(colors("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")); -var curveRadialLinear = curveRadial(curveLinear); +var plasma = ramp(colors("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")); -function Radial(curve) { - this._curve = curve; +function constant$1(x) { + return function constant() { + return x; + }; } -Radial.prototype = { - areaStart: function() { - this._curve.areaStart(); - }, - areaEnd: function() { - this._curve.areaEnd(); - }, - lineStart: function() { - this._curve.lineStart(); - }, - lineEnd: function() { - this._curve.lineEnd(); - }, - point: function(a, r) { - this._curve.point(r * Math.sin(a), r * -Math.cos(a)); - } -}; +var abs = Math.abs; +var atan2 = Math.atan2; +var cos = Math.cos; +var max = Math.max; +var min = Math.min; +var sin = Math.sin; +var sqrt = Math.sqrt; -function curveRadial(curve) { +var epsilon = 1e-12; +var pi = Math.PI; +var halfPi = pi / 2; +var tau = 2 * pi; - function radial(context) { - return new Radial(curve(context)); - } +function acos(x) { + return x > 1 ? 0 : x < -1 ? pi : Math.acos(x); +} - radial._curve = curve; +function asin(x) { + return x >= 1 ? halfPi : x <= -1 ? -halfPi : Math.asin(x); +} - return radial; +function arcInnerRadius(d) { + return d.innerRadius; } -function lineRadial(l) { - var c = l.curve; +function arcOuterRadius(d) { + return d.outerRadius; +} - l.angle = l.x, delete l.x; - l.radius = l.y, delete l.y; +function arcStartAngle(d) { + return d.startAngle; +} - l.curve = function(_) { - return arguments.length ? c(curveRadial(_)) : c()._curve; - }; +function arcEndAngle(d) { + return d.endAngle; +} - return l; +function arcPadAngle(d) { + return d && d.padAngle; // Note: optional! } -function lineRadial$1() { - return lineRadial(line().curve(curveRadialLinear)); +function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { + var x10 = x1 - x0, y10 = y1 - y0, + x32 = x3 - x2, y32 = y3 - y2, + t = y32 * x10 - x32 * y10; + if (t * t < epsilon) return; + t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / t; + return [x0 + t * x10, y0 + t * y10]; } -function areaRadial() { - var a = area$3().curve(curveRadialLinear), - c = a.curve, - x0 = a.lineX0, - x1 = a.lineX1, - y0 = a.lineY0, - y1 = a.lineY1; +// Compute perpendicular offset line of length rc. +// http://mathworld.wolfram.com/Circle-LineIntersection.html +function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { + var x01 = x0 - x1, + y01 = y0 - y1, + lo = (cw ? rc : -rc) / sqrt(x01 * x01 + y01 * y01), + ox = lo * y01, + oy = -lo * x01, + x11 = x0 + ox, + y11 = y0 + oy, + x10 = x1 + ox, + y10 = y1 + oy, + x00 = (x11 + x10) / 2, + y00 = (y11 + y10) / 2, + dx = x10 - x11, + dy = y10 - y11, + d2 = dx * dx + dy * dy, + r = r1 - rc, + D = x11 * y10 - x10 * y11, + d = (dy < 0 ? -1 : 1) * sqrt(max(0, r * r * d2 - D * D)), + cx0 = (D * dy - dx * d) / d2, + cy0 = (-D * dx - dy * d) / d2, + cx1 = (D * dy + dx * d) / d2, + cy1 = (-D * dx + dy * d) / d2, + dx0 = cx0 - x00, + dy0 = cy0 - y00, + dx1 = cx1 - x00, + dy1 = cy1 - y00; - a.angle = a.x, delete a.x; - a.startAngle = a.x0, delete a.x0; - a.endAngle = a.x1, delete a.x1; - a.radius = a.y, delete a.y; - a.innerRadius = a.y0, delete a.y0; - a.outerRadius = a.y1, delete a.y1; - a.lineStartAngle = function() { return lineRadial(x0()); }, delete a.lineX0; - a.lineEndAngle = function() { return lineRadial(x1()); }, delete a.lineX1; - a.lineInnerRadius = function() { return lineRadial(y0()); }, delete a.lineY0; - a.lineOuterRadius = function() { return lineRadial(y1()); }, delete a.lineY1; + // Pick the closer of the two intersection points. + // TODO Is there a faster way to determine which intersection to use? + if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; - a.curve = function(_) { - return arguments.length ? c(curveRadial(_)) : c()._curve; + return { + cx: cx0, + cy: cy0, + x01: -ox, + y01: -oy, + x11: cx0 * (r1 / r - 1), + y11: cy0 * (r1 / r - 1) }; - - return a; -} - -function pointRadial(x, y) { - return [(y = +y) * Math.cos(x -= Math.PI / 2), y * Math.sin(x)]; -} - -var slice$6 = Array.prototype.slice; - -function linkSource(d) { - return d.source; -} - -function linkTarget(d) { - return d.target; } -function link$2(curve) { - var source = linkSource, - target = linkTarget, - x = x$3, - y = y$3, +function arc() { + var innerRadius = arcInnerRadius, + outerRadius = arcOuterRadius, + cornerRadius = constant$1(0), + padRadius = null, + startAngle = arcStartAngle, + endAngle = arcEndAngle, + padAngle = arcPadAngle, context = null; - function link() { - var buffer, argv = slice$6.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); + function arc() { + var buffer, + r, + r0 = +innerRadius.apply(this, arguments), + r1 = +outerRadius.apply(this, arguments), + a0 = startAngle.apply(this, arguments) - halfPi, + a1 = endAngle.apply(this, arguments) - halfPi, + da = abs(a1 - a0), + cw = a1 > a0; + if (!context) context = buffer = path(); - curve(context, +x.apply(this, (argv[0] = s, argv)), +y.apply(this, argv), +x.apply(this, (argv[0] = t, argv)), +y.apply(this, argv)); - if (buffer) return context = null, buffer + "" || null; - } - link.source = function(_) { - return arguments.length ? (source = _, link) : source; - }; + // Ensure that the outer radius is always larger than the inner radius. + if (r1 < r0) r = r1, r1 = r0, r0 = r; - link.target = function(_) { - return arguments.length ? (target = _, link) : target; - }; + // Is it a point? + if (!(r1 > epsilon)) context.moveTo(0, 0); - link.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$b(+_), link) : x; - }; + // Or is it a circle or annulus? + else if (da > tau - epsilon) { + context.moveTo(r1 * cos(a0), r1 * sin(a0)); + context.arc(0, 0, r1, a0, a1, !cw); + if (r0 > epsilon) { + context.moveTo(r0 * cos(a1), r0 * sin(a1)); + context.arc(0, 0, r0, a1, a0, cw); + } + } - link.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$b(+_), link) : y; - }; + // Or is it a circular or annular sector? + else { + var a01 = a0, + a11 = a1, + a00 = a0, + a10 = a1, + da0 = da, + da1 = da, + ap = padAngle.apply(this, arguments) / 2, + rp = (ap > epsilon) && (padRadius ? +padRadius.apply(this, arguments) : sqrt(r0 * r0 + r1 * r1)), + rc = min(abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments)), + rc0 = rc, + rc1 = rc, + t0, + t1; - link.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), link) : context; - }; + // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0. + if (rp > epsilon) { + var p0 = asin(rp / r0 * sin(ap)), + p1 = asin(rp / r1 * sin(ap)); + if ((da0 -= p0 * 2) > epsilon) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0; + else da0 = 0, a00 = a10 = (a0 + a1) / 2; + if ((da1 -= p1 * 2) > epsilon) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1; + else da1 = 0, a01 = a11 = (a0 + a1) / 2; + } - return link; -} + var x01 = r1 * cos(a01), + y01 = r1 * sin(a01), + x10 = r0 * cos(a10), + y10 = r0 * sin(a10); -function curveHorizontal(context, x0, y0, x1, y1) { - context.moveTo(x0, y0); - context.bezierCurveTo(x0 = (x0 + x1) / 2, y0, x0, y1, x1, y1); -} + // Apply rounded corners? + if (rc > epsilon) { + var x11 = r1 * cos(a11), + y11 = r1 * sin(a11), + x00 = r0 * cos(a00), + y00 = r0 * sin(a00), + oc; -function curveVertical(context, x0, y0, x1, y1) { - context.moveTo(x0, y0); - context.bezierCurveTo(x0, y0 = (y0 + y1) / 2, x1, y0, x1, y1); -} + // Restrict the corner radius according to the sector angle. + if (da < pi && (oc = intersect(x01, y01, x00, y00, x11, y11, x10, y10))) { + var ax = x01 - oc[0], + ay = y01 - oc[1], + bx = x11 - oc[0], + by = y11 - oc[1], + kc = 1 / sin(acos((ax * bx + ay * by) / (sqrt(ax * ax + ay * ay) * sqrt(bx * bx + by * by))) / 2), + lc = sqrt(oc[0] * oc[0] + oc[1] * oc[1]); + rc0 = min(rc, (r0 - lc) / (kc - 1)); + rc1 = min(rc, (r1 - lc) / (kc + 1)); + } + } -function curveRadial$1(context, x0, y0, x1, y1) { - var p0 = pointRadial(x0, y0), - p1 = pointRadial(x0, y0 = (y0 + y1) / 2), - p2 = pointRadial(x1, y0), - p3 = pointRadial(x1, y1); - context.moveTo(p0[0], p0[1]); - context.bezierCurveTo(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]); -} + // Is the sector collapsed to a line? + if (!(da1 > epsilon)) context.moveTo(x01, y01); -function linkHorizontal() { - return link$2(curveHorizontal); -} + // Does the sector’s outer ring have rounded corners? + else if (rc1 > epsilon) { + t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw); + t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw); -function linkVertical() { - return link$2(curveVertical); -} + context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01); -function linkRadial() { - var l = link$2(curveRadial$1); - l.angle = l.x, delete l.x; - l.radius = l.y, delete l.y; - return l; -} + // Have the corners merged? + if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, atan2(t0.y01, t0.x01), atan2(t1.y01, t1.x01), !cw); -var circle$2 = { - draw: function(context, size) { - var r = Math.sqrt(size / pi$4); - context.moveTo(r, 0); - context.arc(0, 0, r, 0, tau$4); - } -}; + // Otherwise, draw the two corners and the ring. + else { + context.arc(t0.cx, t0.cy, rc1, atan2(t0.y01, t0.x01), atan2(t0.y11, t0.x11), !cw); + context.arc(0, 0, r1, atan2(t0.cy + t0.y11, t0.cx + t0.x11), atan2(t1.cy + t1.y11, t1.cx + t1.x11), !cw); + context.arc(t1.cx, t1.cy, rc1, atan2(t1.y11, t1.x11), atan2(t1.y01, t1.x01), !cw); + } + } -var cross$2 = { - draw: function(context, size) { - var r = Math.sqrt(size / 5) / 2; - context.moveTo(-3 * r, -r); - context.lineTo(-r, -r); - context.lineTo(-r, -3 * r); - context.lineTo(r, -3 * r); - context.lineTo(r, -r); - context.lineTo(3 * r, -r); - context.lineTo(3 * r, r); - context.lineTo(r, r); - context.lineTo(r, 3 * r); - context.lineTo(-r, 3 * r); - context.lineTo(-r, r); - context.lineTo(-3 * r, r); - context.closePath(); - } -}; + // Or is the outer ring just a circular arc? + else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw); -var tan30 = Math.sqrt(1 / 3), - tan30_2 = tan30 * 2; + // Is there no inner ring, and it’s a circular sector? + // Or perhaps it’s an annular sector collapsed due to padding? + if (!(r0 > epsilon) || !(da0 > epsilon)) context.lineTo(x10, y10); -var diamond = { - draw: function(context, size) { - var y = Math.sqrt(size / tan30_2), - x = y * tan30; - context.moveTo(0, -y); - context.lineTo(x, 0); - context.lineTo(0, y); - context.lineTo(-x, 0); - context.closePath(); - } -}; + // Does the sector’s inner ring (or point) have rounded corners? + else if (rc0 > epsilon) { + t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw); + t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw); -var ka = 0.89081309152928522810, - kr = Math.sin(pi$4 / 10) / Math.sin(7 * pi$4 / 10), - kx = Math.sin(tau$4 / 10) * kr, - ky = -Math.cos(tau$4 / 10) * kr; + context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01); -var star = { - draw: function(context, size) { - var r = Math.sqrt(size * ka), - x = kx * r, - y = ky * r; - context.moveTo(0, -r); - context.lineTo(x, y); - for (var i = 1; i < 5; ++i) { - var a = tau$4 * i / 5, - c = Math.cos(a), - s = Math.sin(a); - context.lineTo(s * r, -c * r); - context.lineTo(c * x - s * y, s * x + c * y); - } - context.closePath(); - } -}; + // Have the corners merged? + if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, atan2(t0.y01, t0.x01), atan2(t1.y01, t1.x01), !cw); -var square = { - draw: function(context, size) { - var w = Math.sqrt(size), - x = -w / 2; - context.rect(x, x, w, w); - } -}; + // Otherwise, draw the two corners and the ring. + else { + context.arc(t0.cx, t0.cy, rc0, atan2(t0.y01, t0.x01), atan2(t0.y11, t0.x11), !cw); + context.arc(0, 0, r0, atan2(t0.cy + t0.y11, t0.cx + t0.x11), atan2(t1.cy + t1.y11, t1.cx + t1.x11), cw); + context.arc(t1.cx, t1.cy, rc0, atan2(t1.y11, t1.x11), atan2(t1.y01, t1.x01), !cw); + } + } -var sqrt3 = Math.sqrt(3); + // Or is the inner ring just a circular arc? + else context.arc(0, 0, r0, a10, a00, cw); + } -var triangle = { - draw: function(context, size) { - var y = -Math.sqrt(size / (sqrt3 * 3)); - context.moveTo(0, y * 2); - context.lineTo(-sqrt3 * y, -y); - context.lineTo(sqrt3 * y, -y); context.closePath(); - } -}; - -var c$2 = -0.5, - s = Math.sqrt(3) / 2, - k = 1 / Math.sqrt(12), - a = (k / 2 + 1) * 3; -var wye = { - draw: function(context, size) { - var r = Math.sqrt(size / a), - x0 = r / 2, - y0 = r * k, - x1 = x0, - y1 = r * k + r, - x2 = -x1, - y2 = y1; - context.moveTo(x0, y0); - context.lineTo(x1, y1); - context.lineTo(x2, y2); - context.lineTo(c$2 * x0 - s * y0, s * x0 + c$2 * y0); - context.lineTo(c$2 * x1 - s * y1, s * x1 + c$2 * y1); - context.lineTo(c$2 * x2 - s * y2, s * x2 + c$2 * y2); - context.lineTo(c$2 * x0 + s * y0, c$2 * y0 - s * x0); - context.lineTo(c$2 * x1 + s * y1, c$2 * y1 - s * x1); - context.lineTo(c$2 * x2 + s * y2, c$2 * y2 - s * x2); - context.closePath(); + if (buffer) return context = null, buffer + "" || null; } -}; -var symbols = [ - circle$2, - cross$2, - diamond, - square, - star, - triangle, - wye -]; + arc.centroid = function() { + var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, + a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi / 2; + return [cos(a) * r, sin(a) * r]; + }; + + arc.innerRadius = function(_) { + return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : innerRadius; + }; -function symbol() { - var type = constant$b(circle$2), - size = constant$b(64), - context = null; + arc.outerRadius = function(_) { + return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : outerRadius; + }; - function symbol() { - var buffer; - if (!context) context = buffer = path(); - type.apply(this, arguments).draw(context, +size.apply(this, arguments)); - if (buffer) return context = null, buffer + "" || null; - } + arc.cornerRadius = function(_) { + return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : cornerRadius; + }; - symbol.type = function(_) { - return arguments.length ? (type = typeof _ === "function" ? _ : constant$b(_), symbol) : type; + arc.padRadius = function(_) { + return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), arc) : padRadius; }; - symbol.size = function(_) { - return arguments.length ? (size = typeof _ === "function" ? _ : constant$b(+_), symbol) : size; + arc.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : startAngle; }; - symbol.context = function(_) { - return arguments.length ? (context = _ == null ? null : _, symbol) : context; + arc.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : endAngle; }; - return symbol; + arc.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : padAngle; + }; + + arc.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), arc) : context; + }; + + return arc; } -function noop$3() {} +var slice = Array.prototype.slice; -function point$2(that, x, y) { - that._context.bezierCurveTo( - (2 * that._x0 + that._x1) / 3, - (2 * that._y0 + that._y1) / 3, - (that._x0 + 2 * that._x1) / 3, - (that._y0 + 2 * that._y1) / 3, - (that._x0 + 4 * that._x1 + x) / 6, - (that._y0 + 4 * that._y1 + y) / 6 - ); +function array(x) { + return typeof x === "object" && "length" in x + ? x // Array, TypedArray, NodeList, array-like + : Array.from(x); // Map, Set, iterable, string, or anything else } -function Basis(context) { +function Linear(context) { this._context = context; } -Basis.prototype = { +Linear.prototype = { areaStart: function() { this._line = 0; }, @@ -15612,15 +17019,9 @@ Basis.prototype = { this._line = NaN; }, lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = NaN; this._point = 0; }, lineEnd: function() { - switch (this._point) { - case 3: point$2(this, this._x1, this._y1); // proceed - case 2: this._context.lineTo(this._x1, this._y1); break; - } if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); this._line = 1 - this._line; }, @@ -15628,360 +17029,592 @@ Basis.prototype = { x = +x, y = +y; switch (this._point) { case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed - default: point$2(this, x, y); break; + case 1: this._point = 2; // proceed + default: this._context.lineTo(x, y); break; } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; } }; -function basis$2(context) { - return new Basis(context); +function curveLinear(context) { + return new Linear(context); } -function BasisClosed(context) { - this._context = context; +function x(p) { + return p[0]; } -BasisClosed.prototype = { - areaStart: noop$3, - areaEnd: noop$3, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x2, this._y2); - this._context.closePath(); - break; +function y(p) { + return p[1]; +} + +function line(x$1, y$1) { + var defined = constant$1(true), + context = null, + curve = curveLinear, + output = null; + + x$1 = typeof x$1 === "function" ? x$1 : (x$1 === undefined) ? x : constant$1(x$1); + y$1 = typeof y$1 === "function" ? y$1 : (y$1 === undefined) ? y : constant$1(y$1); + + function line(data) { + var i, + n = (data = array(data)).length, + d, + defined0 = false, + buffer; + + if (context == null) output = curve(buffer = path()); + + for (i = 0; i <= n; ++i) { + if (!(i < n && defined(d = data[i], i, data)) === defined0) { + if (defined0 = !defined0) output.lineStart(); + else output.lineEnd(); } - case 2: { - this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3); - this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3); - this._context.closePath(); - break; + if (defined0) output.point(+x$1(d, i, data), +y$1(d, i, data)); + } + + if (buffer) return output = null, buffer + "" || null; + } + + line.x = function(_) { + return arguments.length ? (x$1 = typeof _ === "function" ? _ : constant$1(+_), line) : x$1; + }; + + line.y = function(_) { + return arguments.length ? (y$1 = typeof _ === "function" ? _ : constant$1(+_), line) : y$1; + }; + + line.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$1(!!_), line) : defined; + }; + + line.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; + }; + + line.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; + }; + + return line; +} + +function area(x0, y0, y1) { + var x1 = null, + defined = constant$1(true), + context = null, + curve = curveLinear, + output = null; + + x0 = typeof x0 === "function" ? x0 : (x0 === undefined) ? x : constant$1(+x0); + y0 = typeof y0 === "function" ? y0 : (y0 === undefined) ? constant$1(0) : constant$1(+y0); + y1 = typeof y1 === "function" ? y1 : (y1 === undefined) ? y : constant$1(+y1); + + function area(data) { + var i, + j, + k, + n = (data = array(data)).length, + d, + defined0 = false, + buffer, + x0z = new Array(n), + y0z = new Array(n); + + if (context == null) output = curve(buffer = path()); + + for (i = 0; i <= n; ++i) { + if (!(i < n && defined(d = data[i], i, data)) === defined0) { + if (defined0 = !defined0) { + j = i; + output.areaStart(); + output.lineStart(); + } else { + output.lineEnd(); + output.lineStart(); + for (k = i - 1; k >= j; --k) { + output.point(x0z[k], y0z[k]); + } + output.lineEnd(); + output.areaEnd(); + } } - case 3: { - this.point(this._x2, this._y2); - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - break; + if (defined0) { + x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data); + output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]); } } - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._x2 = x, this._y2 = y; break; - case 1: this._point = 2; this._x3 = x, this._y3 = y; break; - case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break; - default: point$2(this, x, y); break; + + if (buffer) return output = null, buffer + "" || null; + } + + function arealine() { + return line().defined(defined).curve(curve).context(context); + } + + area.x = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$1(+_), x1 = null, area) : x0; + }; + + area.x0 = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$1(+_), area) : x0; + }; + + area.x1 = function(_) { + return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), area) : x1; + }; + + area.y = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$1(+_), y1 = null, area) : y0; + }; + + area.y0 = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$1(+_), area) : y0; + }; + + area.y1 = function(_) { + return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), area) : y1; + }; + + area.lineX0 = + area.lineY0 = function() { + return arealine().x(x0).y(y0); + }; + + area.lineY1 = function() { + return arealine().x(x0).y(y1); + }; + + area.lineX1 = function() { + return arealine().x(x1).y(y0); + }; + + area.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$1(!!_), area) : defined; + }; + + area.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; + }; + + area.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; + }; + + return area; +} + +function descending$1(a, b) { + return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; +} + +function identity$1(d) { + return d; +} + +function pie() { + var value = identity$1, + sortValues = descending$1, + sort = null, + startAngle = constant$1(0), + endAngle = constant$1(tau), + padAngle = constant$1(0); + + function pie(data) { + var i, + n = (data = array(data)).length, + j, + k, + sum = 0, + index = new Array(n), + arcs = new Array(n), + a0 = +startAngle.apply(this, arguments), + da = Math.min(tau, Math.max(-tau, endAngle.apply(this, arguments) - a0)), + a1, + p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)), + pa = p * (da < 0 ? -1 : 1), + v; + + for (i = 0; i < n; ++i) { + if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) { + sum += v; + } + } + + // Optionally sort the arcs by previously-computed values or by data. + if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); }); + else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); }); + + // Compute the arcs! They are stored in the original data's order. + for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) { + j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = { + data: data[j], + index: i, + value: v, + startAngle: a0, + endAngle: a1, + padAngle: p + }; } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; + + return arcs; } -}; -function basisClosed$1(context) { - return new BasisClosed(context); + pie.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant$1(+_), pie) : value; + }; + + pie.sortValues = function(_) { + return arguments.length ? (sortValues = _, sort = null, pie) : sortValues; + }; + + pie.sort = function(_) { + return arguments.length ? (sort = _, sortValues = null, pie) : sort; + }; + + pie.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : startAngle; + }; + + pie.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : endAngle; + }; + + pie.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : padAngle; + }; + + return pie; } -function BasisOpen(context) { - this._context = context; +var curveRadialLinear = curveRadial$1(curveLinear); + +function Radial(curve) { + this._curve = curve; } -BasisOpen.prototype = { +Radial.prototype = { areaStart: function() { - this._line = 0; + this._curve.areaStart(); }, areaEnd: function() { - this._line = NaN; + this._curve.areaEnd(); }, lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = NaN; - this._point = 0; + this._curve.lineStart(); }, lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; + this._curve.lineEnd(); }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; - case 3: this._point = 4; // proceed - default: point$2(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; + point: function(a, r) { + this._curve.point(r * Math.sin(a), r * -Math.cos(a)); } }; -function basisOpen(context) { - return new BasisOpen(context); +function curveRadial$1(curve) { + + function radial(context) { + return new Radial(curve(context)); + } + + radial._curve = curve; + + return radial; } -function Bundle(context, beta) { - this._basis = new Basis(context); - this._beta = beta; +function lineRadial(l) { + var c = l.curve; + + l.angle = l.x, delete l.x; + l.radius = l.y, delete l.y; + + l.curve = function(_) { + return arguments.length ? c(curveRadial$1(_)) : c()._curve; + }; + + return l; } -Bundle.prototype = { - lineStart: function() { - this._x = []; - this._y = []; - this._basis.lineStart(); - }, - lineEnd: function() { - var x = this._x, - y = this._y, - j = x.length - 1; +function lineRadial$1() { + return lineRadial(line().curve(curveRadialLinear)); +} - if (j > 0) { - var x0 = x[0], - y0 = y[0], - dx = x[j] - x0, - dy = y[j] - y0, - i = -1, - t; +function areaRadial() { + var a = area().curve(curveRadialLinear), + c = a.curve, + x0 = a.lineX0, + x1 = a.lineX1, + y0 = a.lineY0, + y1 = a.lineY1; - while (++i <= j) { - t = i / j; - this._basis.point( - this._beta * x[i] + (1 - this._beta) * (x0 + t * dx), - this._beta * y[i] + (1 - this._beta) * (y0 + t * dy) - ); - } - } + a.angle = a.x, delete a.x; + a.startAngle = a.x0, delete a.x0; + a.endAngle = a.x1, delete a.x1; + a.radius = a.y, delete a.y; + a.innerRadius = a.y0, delete a.y0; + a.outerRadius = a.y1, delete a.y1; + a.lineStartAngle = function() { return lineRadial(x0()); }, delete a.lineX0; + a.lineEndAngle = function() { return lineRadial(x1()); }, delete a.lineX1; + a.lineInnerRadius = function() { return lineRadial(y0()); }, delete a.lineY0; + a.lineOuterRadius = function() { return lineRadial(y1()); }, delete a.lineY1; - this._x = this._y = null; - this._basis.lineEnd(); - }, - point: function(x, y) { - this._x.push(+x); - this._y.push(+y); - } -}; + a.curve = function(_) { + return arguments.length ? c(curveRadial$1(_)) : c()._curve; + }; -var bundle = (function custom(beta) { + return a; +} - function bundle(context) { - return beta === 1 ? new Basis(context) : new Bundle(context, beta); +function pointRadial(x, y) { + return [(y = +y) * Math.cos(x -= Math.PI / 2), y * Math.sin(x)]; +} + +function linkSource(d) { + return d.source; +} + +function linkTarget(d) { + return d.target; +} + +function link(curve) { + var source = linkSource, + target = linkTarget, + x$1 = x, + y$1 = y, + context = null; + + function link() { + var buffer, argv = slice.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); + if (!context) context = buffer = path(); + curve(context, +x$1.apply(this, (argv[0] = s, argv)), +y$1.apply(this, argv), +x$1.apply(this, (argv[0] = t, argv)), +y$1.apply(this, argv)); + if (buffer) return context = null, buffer + "" || null; } - bundle.beta = function(beta) { - return custom(+beta); + link.source = function(_) { + return arguments.length ? (source = _, link) : source; }; - return bundle; -})(0.85); + link.target = function(_) { + return arguments.length ? (target = _, link) : target; + }; -function point$3(that, x, y) { - that._context.bezierCurveTo( - that._x1 + that._k * (that._x2 - that._x0), - that._y1 + that._k * (that._y2 - that._y0), - that._x2 + that._k * (that._x1 - x), - that._y2 + that._k * (that._y1 - y), - that._x2, - that._y2 - ); + link.x = function(_) { + return arguments.length ? (x$1 = typeof _ === "function" ? _ : constant$1(+_), link) : x$1; + }; + + link.y = function(_) { + return arguments.length ? (y$1 = typeof _ === "function" ? _ : constant$1(+_), link) : y$1; + }; + + link.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), link) : context; + }; + + return link; } -function Cardinal(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; +function curveHorizontal(context, x0, y0, x1, y1) { + context.moveTo(x0, y0); + context.bezierCurveTo(x0 = (x0 + x1) / 2, y0, x0, y1, x1, y1); } -Cardinal.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x2, this._y2); break; - case 3: point$3(this, this._x1, this._y1); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; this._x1 = x, this._y1 = y; break; - case 2: this._point = 3; // proceed - default: point$3(this, x, y); break; - } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; +function curveVertical(context, x0, y0, x1, y1) { + context.moveTo(x0, y0); + context.bezierCurveTo(x0, y0 = (y0 + y1) / 2, x1, y0, x1, y1); +} + +function curveRadial(context, x0, y0, x1, y1) { + var p0 = pointRadial(x0, y0), + p1 = pointRadial(x0, y0 = (y0 + y1) / 2), + p2 = pointRadial(x1, y0), + p3 = pointRadial(x1, y1); + context.moveTo(p0[0], p0[1]); + context.bezierCurveTo(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]); +} + +function linkHorizontal() { + return link(curveHorizontal); +} + +function linkVertical() { + return link(curveVertical); +} + +function linkRadial() { + var l = link(curveRadial); + l.angle = l.x, delete l.x; + l.radius = l.y, delete l.y; + return l; +} + +var circle = { + draw: function(context, size) { + var r = Math.sqrt(size / pi); + context.moveTo(r, 0); + context.arc(0, 0, r, 0, tau); } }; -var cardinal = (function custom(tension) { - - function cardinal(context) { - return new Cardinal(context, tension); +var cross = { + draw: function(context, size) { + var r = Math.sqrt(size / 5) / 2; + context.moveTo(-3 * r, -r); + context.lineTo(-r, -r); + context.lineTo(-r, -3 * r); + context.lineTo(r, -3 * r); + context.lineTo(r, -r); + context.lineTo(3 * r, -r); + context.lineTo(3 * r, r); + context.lineTo(r, r); + context.lineTo(r, 3 * r); + context.lineTo(-r, 3 * r); + context.lineTo(-r, r); + context.lineTo(-3 * r, r); + context.closePath(); } +}; - cardinal.tension = function(tension) { - return custom(+tension); - }; +var tan30 = Math.sqrt(1 / 3), + tan30_2 = tan30 * 2; - return cardinal; -})(0); +var diamond = { + draw: function(context, size) { + var y = Math.sqrt(size / tan30_2), + x = y * tan30; + context.moveTo(0, -y); + context.lineTo(x, 0); + context.lineTo(0, y); + context.lineTo(-x, 0); + context.closePath(); + } +}; -function CardinalClosed(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; -} +var ka = 0.89081309152928522810, + kr = Math.sin(pi / 10) / Math.sin(7 * pi / 10), + kx = Math.sin(tau / 10) * kr, + ky = -Math.cos(tau / 10) * kr; -CardinalClosed.prototype = { - areaStart: noop$3, - areaEnd: noop$3, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 2: { - this._context.lineTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 3: { - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - this.point(this._x5, this._y5); - break; - } - } - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._x3 = x, this._y3 = y; break; - case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; - case 2: this._point = 3; this._x5 = x, this._y5 = y; break; - default: point$3(this, x, y); break; +var star = { + draw: function(context, size) { + var r = Math.sqrt(size * ka), + x = kx * r, + y = ky * r; + context.moveTo(0, -r); + context.lineTo(x, y); + for (var i = 1; i < 5; ++i) { + var a = tau * i / 5, + c = Math.cos(a), + s = Math.sin(a); + context.lineTo(s * r, -c * r); + context.lineTo(c * x - s * y, s * x + c * y); } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + context.closePath(); } }; -var cardinalClosed = (function custom(tension) { - - function cardinal(context) { - return new CardinalClosed(context, tension); +var square = { + draw: function(context, size) { + var w = Math.sqrt(size), + x = -w / 2; + context.rect(x, x, w, w); } +}; - cardinal.tension = function(tension) { - return custom(+tension); - }; +var sqrt3 = Math.sqrt(3); - return cardinal; -})(0); +var triangle = { + draw: function(context, size) { + var y = -Math.sqrt(size / (sqrt3 * 3)); + context.moveTo(0, y * 2); + context.lineTo(-sqrt3 * y, -y); + context.lineTo(sqrt3 * y, -y); + context.closePath(); + } +}; -function CardinalOpen(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; -} +var c = -0.5, + s = Math.sqrt(3) / 2, + k = 1 / Math.sqrt(12), + a = (k / 2 + 1) * 3; -CardinalOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed - default: point$3(this, x, y); break; - } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; +var wye = { + draw: function(context, size) { + var r = Math.sqrt(size / a), + x0 = r / 2, + y0 = r * k, + x1 = x0, + y1 = r * k + r, + x2 = -x1, + y2 = y1; + context.moveTo(x0, y0); + context.lineTo(x1, y1); + context.lineTo(x2, y2); + context.lineTo(c * x0 - s * y0, s * x0 + c * y0); + context.lineTo(c * x1 - s * y1, s * x1 + c * y1); + context.lineTo(c * x2 - s * y2, s * x2 + c * y2); + context.lineTo(c * x0 + s * y0, c * y0 - s * x0); + context.lineTo(c * x1 + s * y1, c * y1 - s * x1); + context.lineTo(c * x2 + s * y2, c * y2 - s * x2); + context.closePath(); } }; -var cardinalOpen = (function custom(tension) { +var symbols = [ + circle, + cross, + diamond, + square, + star, + triangle, + wye +]; - function cardinal(context) { - return new CardinalOpen(context, tension); +function symbol(type, size) { + var context = null; + type = typeof type === "function" ? type : constant$1(type || circle); + size = typeof size === "function" ? size : constant$1(size === undefined ? 64 : +size); + + function symbol() { + var buffer; + if (!context) context = buffer = path(); + type.apply(this, arguments).draw(context, +size.apply(this, arguments)); + if (buffer) return context = null, buffer + "" || null; } - cardinal.tension = function(tension) { - return custom(+tension); + symbol.type = function(_) { + return arguments.length ? (type = typeof _ === "function" ? _ : constant$1(_), symbol) : type; }; - return cardinal; -})(0); + symbol.size = function(_) { + return arguments.length ? (size = typeof _ === "function" ? _ : constant$1(+_), symbol) : size; + }; -function point$4(that, x, y) { - var x1 = that._x1, - y1 = that._y1, - x2 = that._x2, - y2 = that._y2; + symbol.context = function(_) { + return arguments.length ? (context = _ == null ? null : _, symbol) : context; + }; - if (that._l01_a > epsilon$3) { - var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a, - n = 3 * that._l01_a * (that._l01_a + that._l12_a); - x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n; - y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n; - } + return symbol; +} - if (that._l23_a > epsilon$3) { - var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a, - m = 3 * that._l23_a * (that._l23_a + that._l12_a); - x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m; - y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m; - } +function noop() {} - that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2); +function point$3(that, x, y) { + that._context.bezierCurveTo( + (2 * that._x0 + that._x1) / 3, + (2 * that._y0 + that._y1) / 3, + (that._x0 + 2 * that._x1) / 3, + (that._y0 + 2 * that._y1) / 3, + (that._x0 + 4 * that._x1 + x) / 6, + (that._y0 + 4 * that._y1 + y) / 6 + ); } -function CatmullRom(context, alpha) { +function Basis(context) { this._context = context; - this._alpha = alpha; } -CatmullRom.prototype = { +Basis.prototype = { areaStart: function() { this._line = 0; }, @@ -15989,133 +17622,90 @@ CatmullRom.prototype = { this._line = NaN; }, lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = + this._x0 = this._x1 = + this._y0 = this._y1 = NaN; this._point = 0; }, lineEnd: function() { switch (this._point) { - case 2: this._context.lineTo(this._x2, this._y2); break; - case 3: this.point(this._x2, this._y2); break; + case 3: point$3(this, this._x1, this._y1); // proceed + case 2: this._context.lineTo(this._x1, this._y1); break; } if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); this._line = 1 - this._line; }, point: function(x, y) { x = +x, y = +y; - - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } - switch (this._point) { case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; case 1: this._point = 2; break; - case 2: this._point = 3; // proceed - default: point$4(this, x, y); break; + case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed + default: point$3(this, x, y); break; } - - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } -}; - -var catmullRom = (function custom(alpha) { - - function catmullRom(context) { - return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; } +}; - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; - - return catmullRom; -})(0.5); +function basis(context) { + return new Basis(context); +} -function CatmullRomClosed(context, alpha) { +function BasisClosed(context) { this._context = context; - this._alpha = alpha; } -CatmullRomClosed.prototype = { - areaStart: noop$3, - areaEnd: noop$3, +BasisClosed.prototype = { + areaStart: noop, + areaEnd: noop, lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; this._point = 0; }, lineEnd: function() { switch (this._point) { case 1: { - this._context.moveTo(this._x3, this._y3); + this._context.moveTo(this._x2, this._y2); this._context.closePath(); break; } case 2: { - this._context.lineTo(this._x3, this._y3); + this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3); + this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3); this._context.closePath(); break; } case 3: { + this.point(this._x2, this._y2); this.point(this._x3, this._y3); this.point(this._x4, this._y4); - this.point(this._x5, this._y5); break; } } }, point: function(x, y) { x = +x, y = +y; - - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } - switch (this._point) { - case 0: this._point = 1; this._x3 = x, this._y3 = y; break; - case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; - case 2: this._point = 3; this._x5 = x, this._y5 = y; break; - default: point$4(this, x, y); break; + case 0: this._point = 1; this._x2 = x, this._y2 = y; break; + case 1: this._point = 2; this._x3 = x, this._y3 = y; break; + case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break; + default: point$3(this, x, y); break; } - - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; } }; -var catmullRomClosed = (function custom(alpha) { - - function catmullRom(context) { - return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); - } - - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; - - return catmullRom; -})(0.5); +function basisClosed(context) { + return new BasisClosed(context); +} -function CatmullRomOpen(context, alpha) { +function BasisOpen(context) { this._context = context; - this._alpha = alpha; } -CatmullRomOpen.prototype = { +BasisOpen.prototype = { areaStart: function() { this._line = 0; }, @@ -16123,10 +17713,8 @@ CatmullRomOpen.prototype = { this._line = NaN; }, lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = + this._x0 = this._x1 = + this._y0 = this._y1 = NaN; this._point = 0; }, lineEnd: function() { @@ -16135,105 +17723,140 @@ CatmullRomOpen.prototype = { }, point: function(x, y) { x = +x, y = +y; - - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } - switch (this._point) { case 0: this._point = 1; break; case 1: this._point = 2; break; - case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; case 3: this._point = 4; // proceed - default: point$4(this, x, y); break; + default: point$3(this, x, y); break; } - - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; } }; -var catmullRomOpen = (function custom(alpha) { +function basisOpen(context) { + return new BasisOpen(context); +} - function catmullRom(context) { - return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); +class Bump { + constructor(context, x) { + this._context = context; + this._x = x; + } + areaStart() { + this._line = 0; + } + areaEnd() { + this._line = NaN; + } + lineStart() { + this._point = 0; + } + lineEnd() { + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + } + point(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: { + this._point = 1; + if (this._line) this._context.lineTo(x, y); + else this._context.moveTo(x, y); + break; + } + case 1: this._point = 2; // proceed + default: { + if (this._x) this._context.bezierCurveTo(this._x0 = (this._x0 + x) / 2, this._y0, this._x0, y, x, y); + else this._context.bezierCurveTo(this._x0, this._y0 = (this._y0 + y) / 2, x, this._y0, x, y); + break; + } + } + this._x0 = x, this._y0 = y; } +} - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; +function bumpX(context) { + return new Bump(context, true); +} - return catmullRom; -})(0.5); +function bumpY(context) { + return new Bump(context, false); +} -function LinearClosed(context) { - this._context = context; +function Bundle(context, beta) { + this._basis = new Basis(context); + this._beta = beta; } -LinearClosed.prototype = { - areaStart: noop$3, - areaEnd: noop$3, +Bundle.prototype = { lineStart: function() { - this._point = 0; + this._x = []; + this._y = []; + this._basis.lineStart(); }, lineEnd: function() { - if (this._point) this._context.closePath(); + var x = this._x, + y = this._y, + j = x.length - 1; + + if (j > 0) { + var x0 = x[0], + y0 = y[0], + dx = x[j] - x0, + dy = y[j] - y0, + i = -1, + t; + + while (++i <= j) { + t = i / j; + this._basis.point( + this._beta * x[i] + (1 - this._beta) * (x0 + t * dx), + this._beta * y[i] + (1 - this._beta) * (y0 + t * dy) + ); + } + } + + this._x = this._y = null; + this._basis.lineEnd(); }, point: function(x, y) { - x = +x, y = +y; - if (this._point) this._context.lineTo(x, y); - else this._point = 1, this._context.moveTo(x, y); + this._x.push(+x); + this._y.push(+y); } }; -function linearClosed(context) { - return new LinearClosed(context); -} +var bundle = (function custom(beta) { -function sign$1(x) { - return x < 0 ? -1 : 1; -} + function bundle(context) { + return beta === 1 ? new Basis(context) : new Bundle(context, beta); + } -// Calculate the slopes of the tangents (Hermite-type interpolation) based on -// the following paper: Steffen, M. 1990. A Simple Method for Monotonic -// Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO. -// NOV(II), P. 443, 1990. -function slope3(that, x2, y2) { - var h0 = that._x1 - that._x0, - h1 = x2 - that._x1, - s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0), - s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0), - p = (s0 * h1 + s1 * h0) / (h0 + h1); - return (sign$1(s0) + sign$1(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0; -} + bundle.beta = function(beta) { + return custom(+beta); + }; -// Calculate a one-sided slope. -function slope2(that, t) { - var h = that._x1 - that._x0; - return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t; -} + return bundle; +})(0.85); -// According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations -// "you can express cubic Hermite interpolation in terms of cubic Bézier curves -// with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1". -function point$5(that, t0, t1) { - var x0 = that._x0, - y0 = that._y0, - x1 = that._x1, - y1 = that._y1, - dx = (x1 - x0) / 3; - that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1); +function point$2(that, x, y) { + that._context.bezierCurveTo( + that._x1 + that._k * (that._x2 - that._x0), + that._y1 + that._k * (that._y2 - that._y0), + that._x2 + that._k * (that._x1 - x), + that._y2 + that._k * (that._y1 - y), + that._x2, + that._y2 + ); } -function MonotoneX(context) { +function Cardinal(context, tension) { this._context = context; + this._k = (1 - tension) / 6; } -MonotoneX.prototype = { +Cardinal.prototype = { areaStart: function() { this._line = 0; }, @@ -16241,69 +17864,109 @@ MonotoneX.prototype = { this._line = NaN; }, lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = - this._t0 = NaN; + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x2, this._y2); break; + case 3: point$2(this, this._x1, this._y1); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; this._x1 = x, this._y1 = y; break; + case 2: this._point = 3; // proceed + default: point$2(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } +}; + +var cardinal = (function custom(tension) { + + function cardinal(context) { + return new Cardinal(context, tension); + } + + cardinal.tension = function(tension) { + return custom(+tension); + }; + + return cardinal; +})(0); + +function CardinalClosed(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; +} + +CardinalClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; this._point = 0; }, lineEnd: function() { switch (this._point) { - case 2: this._context.lineTo(this._x1, this._y1); break; - case 3: point$5(this, this._t0, slope2(this, this._t0)); break; + case 1: { + this._context.moveTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 2: { + this._context.lineTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + this.point(this._x5, this._y5); + break; + } } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; }, point: function(x, y) { - var t1 = NaN; - x = +x, y = +y; - if (x === this._x1 && y === this._y1) return; // Ignore coincident points. switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; point$5(this, slope2(this, t1 = slope3(this, x, y)), t1); break; - default: point$5(this, this._t0, t1 = slope3(this, x, y)); break; + case 0: this._point = 1; this._x3 = x, this._y3 = y; break; + case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; + case 2: this._point = 3; this._x5 = x, this._y5 = y; break; + default: point$2(this, x, y); break; } - - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - this._t0 = t1; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } }; -function MonotoneY(context) { - this._context = new ReflectContext(context); -} - -(MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) { - MonotoneX.prototype.point.call(this, y, x); -}; - -function ReflectContext(context) { - this._context = context; -} +var cardinalClosed = (function custom(tension) { -ReflectContext.prototype = { - moveTo: function(x, y) { this._context.moveTo(y, x); }, - closePath: function() { this._context.closePath(); }, - lineTo: function(x, y) { this._context.lineTo(y, x); }, - bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); } -}; + function cardinal(context) { + return new CardinalClosed(context, tension); + } -function monotoneX(context) { - return new MonotoneX(context); -} + cardinal.tension = function(tension) { + return custom(+tension); + }; -function monotoneY(context) { - return new MonotoneY(context); -} + return cardinal; +})(0); -function Natural(context) { +function CardinalOpen(context, tension) { this._context = context; + this._k = (1 - tension) / 6; } -Natural.prototype = { +CardinalOpen.prototype = { areaStart: function() { this._line = 0; }, @@ -16311,66 +17974,70 @@ Natural.prototype = { this._line = NaN; }, lineStart: function() { - this._x = []; - this._y = []; + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._point = 0; }, lineEnd: function() { - var x = this._x, - y = this._y, - n = x.length; - - if (n) { - this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]); - if (n === 2) { - this._context.lineTo(x[1], y[1]); - } else { - var px = controlPoints(x), - py = controlPoints(y); - for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) { - this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]); - } - } - } - - if (this._line || (this._line !== 0 && n === 1)) this._context.closePath(); + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); this._line = 1 - this._line; - this._x = this._y = null; }, point: function(x, y) { - this._x.push(+x); - this._y.push(+y); + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 3: this._point = 4; // proceed + default: point$2(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } }; -// See https://www.particleincell.com/2012/bezier-splines/ for derivation. -function controlPoints(x) { - var i, - n = x.length - 1, - m, - a = new Array(n), - b = new Array(n), - r = new Array(n); - a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1]; - for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1]; - a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n]; - for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1]; - a[n - 1] = r[n - 1] / b[n - 1]; - for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i]; - b[n - 1] = (x[n] + a[n - 1]) / 2; - for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1]; - return [a, b]; -} +var cardinalOpen = (function custom(tension) { -function natural(context) { - return new Natural(context); + function cardinal(context) { + return new CardinalOpen(context, tension); + } + + cardinal.tension = function(tension) { + return custom(+tension); + }; + + return cardinal; +})(0); + +function point$1(that, x, y) { + var x1 = that._x1, + y1 = that._y1, + x2 = that._x2, + y2 = that._y2; + + if (that._l01_a > epsilon) { + var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a, + n = 3 * that._l01_a * (that._l01_a + that._l12_a); + x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n; + y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n; + } + + if (that._l23_a > epsilon) { + var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a, + m = 3 * that._l23_a * (that._l23_a + that._l12_a); + x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m; + y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m; + } + + that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2); } -function Step(context, t) { +function CatmullRom(context, alpha) { this._context = context; - this._t = t; + this._alpha = alpha; } -Step.prototype = { +CatmullRom.prototype = { areaStart: function() { this._line = 0; }, @@ -16378,1224 +18045,632 @@ Step.prototype = { this._line = NaN; }, lineStart: function() { - this._x = this._y = NaN; + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = this._point = 0; }, lineEnd: function() { - if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y); + switch (this._point) { + case 2: this._context.lineTo(this._x2, this._y2); break; + case 3: this.point(this._x2, this._y2); break; + } if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line; + this._line = 1 - this._line; }, point: function(x, y) { x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed - default: { - if (this._t <= 0) { - this._context.lineTo(this._x, y); - this._context.lineTo(x, y); - } else { - var x1 = this._x * (1 - this._t) + x * this._t; - this._context.lineTo(x1, this._y); - this._context.lineTo(x1, y); - } - break; - } - } - this._x = x, this._y = y; - } -}; - -function step(context) { - return new Step(context, 0.5); -} - -function stepBefore(context) { - return new Step(context, 0); -} - -function stepAfter(context) { - return new Step(context, 1); -} - -function none$1(series, order) { - if (!((n = series.length) > 1)) return; - for (var i = 1, j, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { - s0 = s1, s1 = series[order[i]]; - for (j = 0; j < m; ++j) { - s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; - } - } -} - -function none$2(series) { - var n = series.length, o = new Array(n); - while (--n >= 0) o[n] = n; - return o; -} - -function stackValue(d, key) { - return d[key]; -} - -function stack() { - var keys = constant$b([]), - order = none$2, - offset = none$1, - value = stackValue; - - function stack(data) { - var kz = keys.apply(this, arguments), - i, - m = data.length, - n = kz.length, - sz = new Array(n), - oz; - for (i = 0; i < n; ++i) { - for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) { - si[j] = sij = [0, +value(data[j], ki, j, data)]; - sij.data = data[j]; - } - si.key = ki; + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); } - for (i = 0, oz = order(sz); i < n; ++i) { - sz[oz[i]].index = i; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; // proceed + default: point$1(this, x, y); break; } - offset(sz, oz); - return sz; + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } +}; - stack.keys = function(_) { - return arguments.length ? (keys = typeof _ === "function" ? _ : constant$b(slice$6.call(_)), stack) : keys; - }; - - stack.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$b(+_), stack) : value; - }; +var catmullRom = (function custom(alpha) { - stack.order = function(_) { - return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$b(slice$6.call(_)), stack) : order; - }; + function catmullRom(context) { + return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); + } - stack.offset = function(_) { - return arguments.length ? (offset = _ == null ? none$1 : _, stack) : offset; + catmullRom.alpha = function(alpha) { + return custom(+alpha); }; - return stack; -} + return catmullRom; +})(0.5); -function expand(series, order) { - if (!((n = series.length) > 0)) return; - for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { - for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; - if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; - } - none$1(series, order); +function CatmullRomClosed(context, alpha) { + this._context = context; + this._alpha = alpha; } -function diverging$1(series, order) { - if (!((n = series.length) > 0)) return; - for (var i, j = 0, d, dy, yp, yn, n, m = series[order[0]].length; j < m; ++j) { - for (yp = yn = 0, i = 0; i < n; ++i) { - if ((dy = (d = series[order[i]][j])[1] - d[0]) > 0) { - d[0] = yp, d[1] = yp += dy; - } else if (dy < 0) { - d[1] = yn, d[0] = yn += dy; - } else { - d[0] = 0, d[1] = dy; +CatmullRomClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x3, this._y3); + this._context.closePath(); + break; } - } - } -} - -function silhouette(series, order) { - if (!((n = series.length) > 0)) return; - for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { - for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; - s0[j][1] += s0[j][0] = -y / 2; - } - none$1(series, order); -} - -function wiggle(series, order) { - if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; - for (var y = 0, j = 1, s0, m, n; j < m; ++j) { - for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { - var si = series[order[i]], - sij0 = si[j][1] || 0, - sij1 = si[j - 1][1] || 0, - s3 = (sij0 - sij1) / 2; - for (var k = 0; k < i; ++k) { - var sk = series[order[k]], - skj0 = sk[j][1] || 0, - skj1 = sk[j - 1][1] || 0; - s3 += skj0 - skj1; + case 2: { + this._context.lineTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + this.point(this._x5, this._y5); + break; } - s1 += sij0, s2 += s3 * sij0; } - s0[j - 1][1] += s0[j - 1][0] = y; - if (s1) y -= s2 / s1; - } - s0[j - 1][1] += s0[j - 1][0] = y; - none$1(series, order); -} - -function appearance(series) { - var peaks = series.map(peak); - return none$2(series).sort(function(a, b) { return peaks[a] - peaks[b]; }); -} - -function peak(series) { - var i = -1, j = 0, n = series.length, vi, vj = -Infinity; - while (++i < n) if ((vi = +series[i][1]) > vj) vj = vi, j = i; - return j; -} - -function ascending$3(series) { - var sums = series.map(sum$2); - return none$2(series).sort(function(a, b) { return sums[a] - sums[b]; }); -} - -function sum$2(series) { - var s = 0, i = -1, n = series.length, v; - while (++i < n) if (v = +series[i][1]) s += v; - return s; -} - -function descending$2(series) { - return ascending$3(series).reverse(); -} + }, + point: function(x, y) { + x = +x, y = +y; -function insideOut(series) { - var n = series.length, - i, - j, - sums = series.map(sum$2), - order = appearance(series), - top = 0, - bottom = 0, - tops = [], - bottoms = []; + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } - for (i = 0; i < n; ++i) { - j = order[i]; - if (top < bottom) { - top += sums[j]; - tops.push(j); - } else { - bottom += sums[j]; - bottoms.push(j); + switch (this._point) { + case 0: this._point = 1; this._x3 = x, this._y3 = y; break; + case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; + case 2: this._point = 3; this._x5 = x, this._y5 = y; break; + default: point$1(this, x, y); break; } + + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } +}; - return bottoms.reverse().concat(tops); -} +var catmullRomClosed = (function custom(alpha) { -function reverse(series) { - return none$2(series).reverse(); -} + function catmullRom(context) { + return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); + } -function constant$c(x) { - return function() { - return x; + catmullRom.alpha = function(alpha) { + return custom(+alpha); }; -} - -function x$4(d) { - return d[0]; -} -function y$4(d) { - return d[1]; -} - -function RedBlackTree() { - this._ = null; // root node -} + return catmullRom; +})(0.5); -function RedBlackNode(node) { - node.U = // parent node - node.C = // color - true for red, false for black - node.L = // left node - node.R = // right node - node.P = // previous node - node.N = null; // next node +function CatmullRomOpen(context, alpha) { + this._context = context; + this._alpha = alpha; } -RedBlackTree.prototype = { - constructor: RedBlackTree, - - insert: function(after, node) { - var parent, grandpa, uncle; - - if (after) { - node.P = after; - node.N = after.N; - if (after.N) after.N.P = node; - after.N = node; - if (after.R) { - after = after.R; - while (after.L) after = after.L; - after.L = node; - } else { - after.R = node; - } - parent = after; - } else if (this._) { - after = RedBlackFirst(this._); - node.P = null; - node.N = after; - after.P = after.L = node; - parent = after; - } else { - node.P = node.N = null; - this._ = node; - parent = null; - } - node.L = node.R = null; - node.U = parent; - node.C = true; - - after = node; - while (parent && parent.C) { - grandpa = parent.U; - if (parent === grandpa.L) { - uncle = grandpa.R; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.R) { - RedBlackRotateLeft(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - RedBlackRotateRight(this, grandpa); - } - } else { - uncle = grandpa.L; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.L) { - RedBlackRotateRight(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - RedBlackRotateLeft(this, grandpa); - } - } - parent = after.U; - } - this._.C = false; +CatmullRomOpen.prototype = { + areaStart: function() { + this._line = 0; }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; - remove: function(node) { - if (node.N) node.N.P = node.P; - if (node.P) node.P.N = node.N; - node.N = node.P = null; - - var parent = node.U, - sibling, - left = node.L, - right = node.R, - next, - red; - - if (!left) next = right; - else if (!right) next = left; - else next = RedBlackFirst(right); + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } - if (parent) { - if (parent.L === node) parent.L = next; - else parent.R = next; - } else { - this._ = next; - } - - if (left && right) { - red = next.C; - next.C = node.C; - next.L = left; - left.U = next; - if (next !== right) { - parent = next.U; - next.U = node.U; - node = next.R; - parent.L = node; - next.R = right; - right.U = next; - } else { - next.U = parent; - parent = next; - node = next.R; - } - } else { - red = node.C; - node = next; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 3: this._point = 4; // proceed + default: point$1(this, x, y); break; } - if (node) node.U = parent; - if (red) return; - if (node && node.C) { node.C = false; return; } + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } +}; - do { - if (node === this._) break; - if (node === parent.L) { - sibling = parent.R; - if (sibling.C) { - sibling.C = false; - parent.C = true; - RedBlackRotateLeft(this, parent); - sibling = parent.R; - } - if ((sibling.L && sibling.L.C) - || (sibling.R && sibling.R.C)) { - if (!sibling.R || !sibling.R.C) { - sibling.L.C = false; - sibling.C = true; - RedBlackRotateRight(this, sibling); - sibling = parent.R; - } - sibling.C = parent.C; - parent.C = sibling.R.C = false; - RedBlackRotateLeft(this, parent); - node = this._; - break; - } - } else { - sibling = parent.L; - if (sibling.C) { - sibling.C = false; - parent.C = true; - RedBlackRotateRight(this, parent); - sibling = parent.L; - } - if ((sibling.L && sibling.L.C) - || (sibling.R && sibling.R.C)) { - if (!sibling.L || !sibling.L.C) { - sibling.R.C = false; - sibling.C = true; - RedBlackRotateLeft(this, sibling); - sibling = parent.L; - } - sibling.C = parent.C; - parent.C = sibling.L.C = false; - RedBlackRotateRight(this, parent); - node = this._; - break; - } - } - sibling.C = true; - node = parent; - parent = parent.U; - } while (!node.C); +var catmullRomOpen = (function custom(alpha) { - if (node) node.C = false; + function catmullRom(context) { + return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); } -}; -function RedBlackRotateLeft(tree, node) { - var p = node, - q = node.R, - parent = p.U; + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; - if (parent) { - if (parent.L === p) parent.L = q; - else parent.R = q; - } else { - tree._ = q; - } + return catmullRom; +})(0.5); - q.U = parent; - p.U = q; - p.R = q.L; - if (p.R) p.R.U = p; - q.L = p; +function LinearClosed(context) { + this._context = context; } -function RedBlackRotateRight(tree, node) { - var p = node, - q = node.L, - parent = p.U; - - if (parent) { - if (parent.L === p) parent.L = q; - else parent.R = q; - } else { - tree._ = q; +LinearClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._point) this._context.closePath(); + }, + point: function(x, y) { + x = +x, y = +y; + if (this._point) this._context.lineTo(x, y); + else this._point = 1, this._context.moveTo(x, y); } +}; - q.U = parent; - p.U = q; - p.L = q.R; - if (p.L) p.L.U = p; - q.R = p; +function linearClosed(context) { + return new LinearClosed(context); } -function RedBlackFirst(node) { - while (node.L) node = node.L; - return node; +function sign(x) { + return x < 0 ? -1 : 1; } -function createEdge(left, right, v0, v1) { - var edge = [null, null], - index = edges.push(edge) - 1; - edge.left = left; - edge.right = right; - if (v0) setEdgeEnd(edge, left, right, v0); - if (v1) setEdgeEnd(edge, right, left, v1); - cells[left.index].halfedges.push(index); - cells[right.index].halfedges.push(index); - return edge; +// Calculate the slopes of the tangents (Hermite-type interpolation) based on +// the following paper: Steffen, M. 1990. A Simple Method for Monotonic +// Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO. +// NOV(II), P. 443, 1990. +function slope3(that, x2, y2) { + var h0 = that._x1 - that._x0, + h1 = x2 - that._x1, + s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0), + s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0), + p = (s0 * h1 + s1 * h0) / (h0 + h1); + return (sign(s0) + sign(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0; } -function createBorderEdge(left, v0, v1) { - var edge = [v0, v1]; - edge.left = left; - return edge; +// Calculate a one-sided slope. +function slope2(that, t) { + var h = that._x1 - that._x0; + return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t; } -function setEdgeEnd(edge, left, right, vertex) { - if (!edge[0] && !edge[1]) { - edge[0] = vertex; - edge.left = left; - edge.right = right; - } else if (edge.left === right) { - edge[1] = vertex; - } else { - edge[0] = vertex; - } +// According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations +// "you can express cubic Hermite interpolation in terms of cubic Bézier curves +// with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1". +function point(that, t0, t1) { + var x0 = that._x0, + y0 = that._y0, + x1 = that._x1, + y1 = that._y1, + dx = (x1 - x0) / 3; + that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1); } -// Liang–Barsky line clipping. -function clipEdge(edge, x0, y0, x1, y1) { - var a = edge[0], - b = edge[1], - ax = a[0], - ay = a[1], - bx = b[0], - by = b[1], - t0 = 0, - t1 = 1, - dx = bx - ax, - dy = by - ay, - r; - - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - if (!(t0 > 0) && !(t1 < 1)) return true; // TODO Better check? - - if (t0 > 0) edge[0] = [ax + t0 * dx, ay + t0 * dy]; - if (t1 < 1) edge[1] = [ax + t1 * dx, ay + t1 * dy]; - return true; +function MonotoneX(context) { + this._context = context; } -function connectEdge(edge, x0, y0, x1, y1) { - var v1 = edge[1]; - if (v1) return true; - - var v0 = edge[0], - left = edge.left, - right = edge.right, - lx = left[0], - ly = left[1], - rx = right[0], - ry = right[1], - fx = (lx + rx) / 2, - fy = (ly + ry) / 2, - fm, - fb; - - if (ry === ly) { - if (fx < x0 || fx >= x1) return; - if (lx > rx) { - if (!v0) v0 = [fx, y0]; - else if (v0[1] >= y1) return; - v1 = [fx, y1]; - } else { - if (!v0) v0 = [fx, y1]; - else if (v0[1] < y0) return; - v1 = [fx, y0]; +MonotoneX.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = + this._t0 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x1, this._y1); break; + case 3: point(this, this._t0, slope2(this, this._t0)); break; } - } else { - fm = (lx - rx) / (ry - ly); - fb = fy - fm * fx; - if (fm < -1 || fm > 1) { - if (lx > rx) { - if (!v0) v0 = [(y0 - fb) / fm, y0]; - else if (v0[1] >= y1) return; - v1 = [(y1 - fb) / fm, y1]; - } else { - if (!v0) v0 = [(y1 - fb) / fm, y1]; - else if (v0[1] < y0) return; - v1 = [(y0 - fb) / fm, y0]; - } - } else { - if (ly < ry) { - if (!v0) v0 = [x0, fm * x0 + fb]; - else if (v0[0] >= x1) return; - v1 = [x1, fm * x1 + fb]; - } else { - if (!v0) v0 = [x1, fm * x1 + fb]; - else if (v0[0] < x0) return; - v1 = [x0, fm * x0 + fb]; - } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + var t1 = NaN; + + x = +x, y = +y; + if (x === this._x1 && y === this._y1) return; // Ignore coincident points. + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; point(this, slope2(this, t1 = slope3(this, x, y)), t1); break; + default: point(this, this._t0, t1 = slope3(this, x, y)); break; } + + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + this._t0 = t1; } +}; - edge[0] = v0; - edge[1] = v1; - return true; +function MonotoneY(context) { + this._context = new ReflectContext(context); } -function clipEdges(x0, y0, x1, y1) { - var i = edges.length, - edge; +(MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) { + MonotoneX.prototype.point.call(this, y, x); +}; - while (i--) { - if (!connectEdge(edge = edges[i], x0, y0, x1, y1) - || !clipEdge(edge, x0, y0, x1, y1) - || !(Math.abs(edge[0][0] - edge[1][0]) > epsilon$4 - || Math.abs(edge[0][1] - edge[1][1]) > epsilon$4)) { - delete edges[i]; - } - } +function ReflectContext(context) { + this._context = context; } -function createCell(site) { - return cells[site.index] = { - site: site, - halfedges: [] - }; -} +ReflectContext.prototype = { + moveTo: function(x, y) { this._context.moveTo(y, x); }, + closePath: function() { this._context.closePath(); }, + lineTo: function(x, y) { this._context.lineTo(y, x); }, + bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); } +}; -function cellHalfedgeAngle(cell, edge) { - var site = cell.site, - va = edge.left, - vb = edge.right; - if (site === vb) vb = va, va = site; - if (vb) return Math.atan2(vb[1] - va[1], vb[0] - va[0]); - if (site === va) va = edge[1], vb = edge[0]; - else va = edge[0], vb = edge[1]; - return Math.atan2(va[0] - vb[0], vb[1] - va[1]); +function monotoneX(context) { + return new MonotoneX(context); } -function cellHalfedgeStart(cell, edge) { - return edge[+(edge.left !== cell.site)]; +function monotoneY(context) { + return new MonotoneY(context); } -function cellHalfedgeEnd(cell, edge) { - return edge[+(edge.left === cell.site)]; +function Natural(context) { + this._context = context; } -function sortCellHalfedges() { - for (var i = 0, n = cells.length, cell, halfedges, j, m; i < n; ++i) { - if ((cell = cells[i]) && (m = (halfedges = cell.halfedges).length)) { - var index = new Array(m), - array = new Array(m); - for (j = 0; j < m; ++j) index[j] = j, array[j] = cellHalfedgeAngle(cell, edges[halfedges[j]]); - index.sort(function(i, j) { return array[j] - array[i]; }); - for (j = 0; j < m; ++j) array[j] = halfedges[index[j]]; - for (j = 0; j < m; ++j) halfedges[j] = array[j]; +Natural.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x = []; + this._y = []; + }, + lineEnd: function() { + var x = this._x, + y = this._y, + n = x.length; + + if (n) { + this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]); + if (n === 2) { + this._context.lineTo(x[1], y[1]); + } else { + var px = controlPoints(x), + py = controlPoints(y); + for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) { + this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]); + } + } } + + if (this._line || (this._line !== 0 && n === 1)) this._context.closePath(); + this._line = 1 - this._line; + this._x = this._y = null; + }, + point: function(x, y) { + this._x.push(+x); + this._y.push(+y); } -} +}; -function clipCells(x0, y0, x1, y1) { - var nCells = cells.length, - iCell, - cell, - site, - iHalfedge, - halfedges, - nHalfedges, - start, - startX, - startY, - end, - endX, - endY, - cover = true; +// See https://www.particleincell.com/2012/bezier-splines/ for derivation. +function controlPoints(x) { + var i, + n = x.length - 1, + m, + a = new Array(n), + b = new Array(n), + r = new Array(n); + a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1]; + for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1]; + a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n]; + for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1]; + a[n - 1] = r[n - 1] / b[n - 1]; + for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i]; + b[n - 1] = (x[n] + a[n - 1]) / 2; + for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1]; + return [a, b]; +} - for (iCell = 0; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - site = cell.site; - halfedges = cell.halfedges; - iHalfedge = halfedges.length; +function natural(context) { + return new Natural(context); +} - // Remove any dangling clipped edges. - while (iHalfedge--) { - if (!edges[halfedges[iHalfedge]]) { - halfedges.splice(iHalfedge, 1); - } - } +function Step(context, t) { + this._context = context; + this._t = t; +} - // Insert any border edges as necessary. - iHalfedge = 0, nHalfedges = halfedges.length; - while (iHalfedge < nHalfedges) { - end = cellHalfedgeEnd(cell, edges[halfedges[iHalfedge]]), endX = end[0], endY = end[1]; - start = cellHalfedgeStart(cell, edges[halfedges[++iHalfedge % nHalfedges]]), startX = start[0], startY = start[1]; - if (Math.abs(endX - startX) > epsilon$4 || Math.abs(endY - startY) > epsilon$4) { - halfedges.splice(iHalfedge, 0, edges.push(createBorderEdge(site, end, - Math.abs(endX - x0) < epsilon$4 && y1 - endY > epsilon$4 ? [x0, Math.abs(startX - x0) < epsilon$4 ? startY : y1] - : Math.abs(endY - y1) < epsilon$4 && x1 - endX > epsilon$4 ? [Math.abs(startY - y1) < epsilon$4 ? startX : x1, y1] - : Math.abs(endX - x1) < epsilon$4 && endY - y0 > epsilon$4 ? [x1, Math.abs(startX - x1) < epsilon$4 ? startY : y0] - : Math.abs(endY - y0) < epsilon$4 && endX - x0 > epsilon$4 ? [Math.abs(startY - y0) < epsilon$4 ? startX : x0, y0] - : null)) - 1); - ++nHalfedges; +Step.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x = this._y = NaN; + this._point = 0; + }, + lineEnd: function() { + if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y); + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; // proceed + default: { + if (this._t <= 0) { + this._context.lineTo(this._x, y); + this._context.lineTo(x, y); + } else { + var x1 = this._x * (1 - this._t) + x * this._t; + this._context.lineTo(x1, this._y); + this._context.lineTo(x1, y); } + break; } - - if (nHalfedges) cover = false; - } - } - - // If there weren’t any edges, have the closest site cover the extent. - // It doesn’t matter which corner of the extent we measure! - if (cover) { - var dx, dy, d2, dc = Infinity; - - for (iCell = 0, cover = null; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - site = cell.site; - dx = site[0] - x0; - dy = site[1] - y0; - d2 = dx * dx + dy * dy; - if (d2 < dc) dc = d2, cover = cell; - } - } - - if (cover) { - var v00 = [x0, y0], v01 = [x0, y1], v11 = [x1, y1], v10 = [x1, y0]; - cover.halfedges.push( - edges.push(createBorderEdge(site = cover.site, v00, v01)) - 1, - edges.push(createBorderEdge(site, v01, v11)) - 1, - edges.push(createBorderEdge(site, v11, v10)) - 1, - edges.push(createBorderEdge(site, v10, v00)) - 1 - ); } + this._x = x, this._y = y; } +}; - // Lastly delete any cells with no edges; these were entirely clipped. - for (iCell = 0; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - if (!cell.halfedges.length) { - delete cells[iCell]; - } - } - } +function step(context) { + return new Step(context, 0.5); } -var circlePool = []; - -var firstCircle; - -function Circle() { - RedBlackNode(this); - this.x = - this.y = - this.arc = - this.site = - this.cy = null; +function stepBefore(context) { + return new Step(context, 0); } -function attachCircle(arc) { - var lArc = arc.P, - rArc = arc.N; - - if (!lArc || !rArc) return; - - var lSite = lArc.site, - cSite = arc.site, - rSite = rArc.site; - - if (lSite === rSite) return; - - var bx = cSite[0], - by = cSite[1], - ax = lSite[0] - bx, - ay = lSite[1] - by, - cx = rSite[0] - bx, - cy = rSite[1] - by; - - var d = 2 * (ax * cy - ay * cx); - if (d >= -epsilon2$2) return; - - var ha = ax * ax + ay * ay, - hc = cx * cx + cy * cy, - x = (cy * ha - ay * hc) / d, - y = (ax * hc - cx * ha) / d; - - var circle = circlePool.pop() || new Circle; - circle.arc = arc; - circle.site = cSite; - circle.x = x + bx; - circle.y = (circle.cy = y + by) + Math.sqrt(x * x + y * y); // y bottom - - arc.circle = circle; - - var before = null, - node = circles._; - - while (node) { - if (circle.y < node.y || (circle.y === node.y && circle.x <= node.x)) { - if (node.L) node = node.L; - else { before = node.P; break; } - } else { - if (node.R) node = node.R; - else { before = node; break; } - } - } - - circles.insert(before, circle); - if (!before) firstCircle = circle; +function stepAfter(context) { + return new Step(context, 1); } -function detachCircle(arc) { - var circle = arc.circle; - if (circle) { - if (!circle.P) firstCircle = circle.N; - circles.remove(circle); - circlePool.push(circle); - RedBlackNode(circle); - arc.circle = null; +function none$1(series, order) { + if (!((n = series.length) > 1)) return; + for (var i = 1, j, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { + s0 = s1, s1 = series[order[i]]; + for (j = 0; j < m; ++j) { + s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; + } } } -var beachPool = []; - -function Beach() { - RedBlackNode(this); - this.edge = - this.site = - this.circle = null; +function none(series) { + var n = series.length, o = new Array(n); + while (--n >= 0) o[n] = n; + return o; } -function createBeach(site) { - var beach = beachPool.pop() || new Beach; - beach.site = site; - return beach; +function stackValue(d, key) { + return d[key]; } -function detachBeach(beach) { - detachCircle(beach); - beaches.remove(beach); - beachPool.push(beach); - RedBlackNode(beach); +function stackSeries(key) { + const series = []; + series.key = key; + return series; } -function removeBeach(beach) { - var circle = beach.circle, - x = circle.x, - y = circle.cy, - vertex = [x, y], - previous = beach.P, - next = beach.N, - disappearing = [beach]; +function stack() { + var keys = constant$1([]), + order = none, + offset = none$1, + value = stackValue; - detachBeach(beach); + function stack(data) { + var sz = Array.from(keys.apply(this, arguments), stackSeries), + i, n = sz.length, j = -1, + oz; - var lArc = previous; - while (lArc.circle - && Math.abs(x - lArc.circle.x) < epsilon$4 - && Math.abs(y - lArc.circle.cy) < epsilon$4) { - previous = lArc.P; - disappearing.unshift(lArc); - detachBeach(lArc); - lArc = previous; - } + for (const d of data) { + for (i = 0, ++j; i < n; ++i) { + (sz[i][j] = [0, +value(d, sz[i].key, j, data)]).data = d; + } + } - disappearing.unshift(lArc); - detachCircle(lArc); + for (i = 0, oz = array(order(sz)); i < n; ++i) { + sz[oz[i]].index = i; + } - var rArc = next; - while (rArc.circle - && Math.abs(x - rArc.circle.x) < epsilon$4 - && Math.abs(y - rArc.circle.cy) < epsilon$4) { - next = rArc.N; - disappearing.push(rArc); - detachBeach(rArc); - rArc = next; + offset(sz, oz); + return sz; } - disappearing.push(rArc); - detachCircle(rArc); + stack.keys = function(_) { + return arguments.length ? (keys = typeof _ === "function" ? _ : constant$1(Array.from(_)), stack) : keys; + }; - var nArcs = disappearing.length, - iArc; - for (iArc = 1; iArc < nArcs; ++iArc) { - rArc = disappearing[iArc]; - lArc = disappearing[iArc - 1]; - setEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); - } + stack.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant$1(+_), stack) : value; + }; + + stack.order = function(_) { + return arguments.length ? (order = _ == null ? none : typeof _ === "function" ? _ : constant$1(Array.from(_)), stack) : order; + }; - lArc = disappearing[0]; - rArc = disappearing[nArcs - 1]; - rArc.edge = createEdge(lArc.site, rArc.site, null, vertex); + stack.offset = function(_) { + return arguments.length ? (offset = _ == null ? none$1 : _, stack) : offset; + }; - attachCircle(lArc); - attachCircle(rArc); + return stack; } -function addBeach(site) { - var x = site[0], - directrix = site[1], - lArc, - rArc, - dxl, - dxr, - node = beaches._; +function expand(series, order) { + if (!((n = series.length) > 0)) return; + for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { + for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; + if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; + } + none$1(series, order); +} - while (node) { - dxl = leftBreakPoint(node, directrix) - x; - if (dxl > epsilon$4) node = node.L; else { - dxr = x - rightBreakPoint(node, directrix); - if (dxr > epsilon$4) { - if (!node.R) { - lArc = node; - break; - } - node = node.R; +function diverging(series, order) { + if (!((n = series.length) > 0)) return; + for (var i, j = 0, d, dy, yp, yn, n, m = series[order[0]].length; j < m; ++j) { + for (yp = yn = 0, i = 0; i < n; ++i) { + if ((dy = (d = series[order[i]][j])[1] - d[0]) > 0) { + d[0] = yp, d[1] = yp += dy; + } else if (dy < 0) { + d[1] = yn, d[0] = yn += dy; } else { - if (dxl > -epsilon$4) { - lArc = node.P; - rArc = node; - } else if (dxr > -epsilon$4) { - lArc = node; - rArc = node.N; - } else { - lArc = rArc = node; - } - break; + d[0] = 0, d[1] = dy; } } } +} - createCell(site); - var newArc = createBeach(site); - beaches.insert(lArc, newArc); - - if (!lArc && !rArc) return; - - if (lArc === rArc) { - detachCircle(lArc); - rArc = createBeach(lArc.site); - beaches.insert(newArc, rArc); - newArc.edge = rArc.edge = createEdge(lArc.site, newArc.site); - attachCircle(lArc); - attachCircle(rArc); - return; +function silhouette(series, order) { + if (!((n = series.length) > 0)) return; + for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { + for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; + s0[j][1] += s0[j][0] = -y / 2; } + none$1(series, order); +} - if (!rArc) { // && lArc - newArc.edge = createEdge(lArc.site, newArc.site); - return; +function wiggle(series, order) { + if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; + for (var y = 0, j = 1, s0, m, n; j < m; ++j) { + for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { + var si = series[order[i]], + sij0 = si[j][1] || 0, + sij1 = si[j - 1][1] || 0, + s3 = (sij0 - sij1) / 2; + for (var k = 0; k < i; ++k) { + var sk = series[order[k]], + skj0 = sk[j][1] || 0, + skj1 = sk[j - 1][1] || 0; + s3 += skj0 - skj1; + } + s1 += sij0, s2 += s3 * sij0; + } + s0[j - 1][1] += s0[j - 1][0] = y; + if (s1) y -= s2 / s1; } - - // else lArc !== rArc - detachCircle(lArc); - detachCircle(rArc); - - var lSite = lArc.site, - ax = lSite[0], - ay = lSite[1], - bx = site[0] - ax, - by = site[1] - ay, - rSite = rArc.site, - cx = rSite[0] - ax, - cy = rSite[1] - ay, - d = 2 * (bx * cy - by * cx), - hb = bx * bx + by * by, - hc = cx * cx + cy * cy, - vertex = [(cy * hb - by * hc) / d + ax, (bx * hc - cx * hb) / d + ay]; - - setEdgeEnd(rArc.edge, lSite, rSite, vertex); - newArc.edge = createEdge(lSite, site, null, vertex); - rArc.edge = createEdge(site, rSite, null, vertex); - attachCircle(lArc); - attachCircle(rArc); + s0[j - 1][1] += s0[j - 1][0] = y; + none$1(series, order); } -function leftBreakPoint(arc, directrix) { - var site = arc.site, - rfocx = site[0], - rfocy = site[1], - pby2 = rfocy - directrix; - - if (!pby2) return rfocx; - - var lArc = arc.P; - if (!lArc) return -Infinity; - - site = lArc.site; - var lfocx = site[0], - lfocy = site[1], - plby2 = lfocy - directrix; - - if (!plby2) return lfocx; - - var hl = lfocx - rfocx, - aby2 = 1 / pby2 - 1 / plby2, - b = hl / plby2; - - if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; - - return (rfocx + lfocx) / 2; +function appearance(series) { + var peaks = series.map(peak); + return none(series).sort(function(a, b) { return peaks[a] - peaks[b]; }); } -function rightBreakPoint(arc, directrix) { - var rArc = arc.N; - if (rArc) return leftBreakPoint(rArc, directrix); - var site = arc.site; - return site[1] === directrix ? site[0] : Infinity; +function peak(series) { + var i = -1, j = 0, n = series.length, vi, vj = -Infinity; + while (++i < n) if ((vi = +series[i][1]) > vj) vj = vi, j = i; + return j; } -var epsilon$4 = 1e-6; -var epsilon2$2 = 1e-12; -var beaches; -var cells; -var circles; -var edges; - -function triangleArea(a, b, c) { - return (a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]); +function ascending(series) { + var sums = series.map(sum); + return none(series).sort(function(a, b) { return sums[a] - sums[b]; }); } -function lexicographic(a, b) { - return b[1] - a[1] - || b[0] - a[0]; +function sum(series) { + var s = 0, i = -1, n = series.length, v; + while (++i < n) if (v = +series[i][1]) s += v; + return s; } -function Diagram(sites, extent) { - var site = sites.sort(lexicographic).pop(), - x, - y, - circle; +function descending(series) { + return ascending(series).reverse(); +} - edges = []; - cells = new Array(sites.length); - beaches = new RedBlackTree; - circles = new RedBlackTree; +function insideOut(series) { + var n = series.length, + i, + j, + sums = series.map(sum), + order = appearance(series), + top = 0, + bottom = 0, + tops = [], + bottoms = []; - while (true) { - circle = firstCircle; - if (site && (!circle || site[1] < circle.y || (site[1] === circle.y && site[0] < circle.x))) { - if (site[0] !== x || site[1] !== y) { - addBeach(site); - x = site[0], y = site[1]; - } - site = sites.pop(); - } else if (circle) { - removeBeach(circle.arc); + for (i = 0; i < n; ++i) { + j = order[i]; + if (top < bottom) { + top += sums[j]; + tops.push(j); } else { - break; + bottom += sums[j]; + bottoms.push(j); } } - sortCellHalfedges(); - - if (extent) { - var x0 = +extent[0][0], - y0 = +extent[0][1], - x1 = +extent[1][0], - y1 = +extent[1][1]; - clipEdges(x0, y0, x1, y1); - clipCells(x0, y0, x1, y1); - } - - this.edges = edges; - this.cells = cells; - - beaches = - circles = - edges = - cells = null; -} - -Diagram.prototype = { - constructor: Diagram, - - polygons: function() { - var edges = this.edges; - - return this.cells.map(function(cell) { - var polygon = cell.halfedges.map(function(i) { return cellHalfedgeStart(cell, edges[i]); }); - polygon.data = cell.site.data; - return polygon; - }); - }, - - triangles: function() { - var triangles = [], - edges = this.edges; - - this.cells.forEach(function(cell, i) { - if (!(m = (halfedges = cell.halfedges).length)) return; - var site = cell.site, - halfedges, - j = -1, - m, - s0, - e1 = edges[halfedges[m - 1]], - s1 = e1.left === site ? e1.right : e1.left; - - while (++j < m) { - s0 = s1; - e1 = edges[halfedges[j]]; - s1 = e1.left === site ? e1.right : e1.left; - if (s0 && s1 && i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) { - triangles.push([site.data, s0.data, s1.data]); - } - } - }); - - return triangles; - }, - - links: function() { - return this.edges.filter(function(edge) { - return edge.right; - }).map(function(edge) { - return { - source: edge.left.data, - target: edge.right.data - }; - }); - }, - - find: function(x, y, radius) { - var that = this, i0, i1 = that._found || 0, n = that.cells.length, cell; - - // Use the previously-found cell, or start with an arbitrary one. - while (!(cell = that.cells[i1])) if (++i1 >= n) return null; - var dx = x - cell.site[0], dy = y - cell.site[1], d2 = dx * dx + dy * dy; - - // Traverse the half-edges to find a closer cell, if any. - do { - cell = that.cells[i0 = i1], i1 = null; - cell.halfedges.forEach(function(e) { - var edge = that.edges[e], v = edge.left; - if ((v === cell.site || !v) && !(v = edge.right)) return; - var vx = x - v[0], vy = y - v[1], v2 = vx * vx + vy * vy; - if (v2 < d2) d2 = v2, i1 = v.index; - }); - } while (i1 !== null); - - that._found = i0; - - return radius == null || d2 <= radius * radius ? cell.site : null; - } -}; - -function voronoi() { - var x = x$4, - y = y$4, - extent = null; - - function voronoi(data) { - return new Diagram(data.map(function(d, i) { - var s = [Math.round(x(d, i, data) / epsilon$4) * epsilon$4, Math.round(y(d, i, data) / epsilon$4) * epsilon$4]; - s.index = i; - s.data = d; - return s; - }), extent); - } - - voronoi.polygons = function(data) { - return voronoi(data).polygons(); - }; - - voronoi.links = function(data) { - return voronoi(data).links(); - }; - - voronoi.triangles = function(data) { - return voronoi(data).triangles(); - }; - - voronoi.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$c(+_), voronoi) : x; - }; - - voronoi.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$c(+_), voronoi) : y; - }; - - voronoi.extent = function(_) { - return arguments.length ? (extent = _ == null ? null : [[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]], voronoi) : extent && [[extent[0][0], extent[0][1]], [extent[1][0], extent[1][1]]]; - }; - - voronoi.size = function(_) { - return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0] - extent[0][0], extent[1][1] - extent[0][1]]; - }; - - return voronoi; -} - -function constant$d(x) { - return function() { - return x; - }; + return bottoms.reverse().concat(tops); } -function ZoomEvent(target, type, transform) { - this.target = target; - this.type = type; - this.transform = transform; +function reverse(series) { + return none(series).reverse(); +} + +var constant = x => () => x; + +function ZoomEvent(type, { + sourceEvent, + target, + transform, + dispatch +}) { + Object.defineProperties(this, { + type: {value: type, enumerable: true, configurable: true}, + sourceEvent: {value: sourceEvent, enumerable: true, configurable: true}, + target: {value: target, enumerable: true, configurable: true}, + transform: {value: transform, enumerable: true, configurable: true}, + _: {value: dispatch} + }); } function Transform(k, x, y) { @@ -17641,30 +18716,31 @@ Transform.prototype = { } }; -var identity$9 = new Transform(1, 0, 0); +var identity = new Transform(1, 0, 0); -transform$1.prototype = Transform.prototype; +transform.prototype = Transform.prototype; -function transform$1(node) { - while (!node.__zoom) if (!(node = node.parentNode)) return identity$9; +function transform(node) { + while (!node.__zoom) if (!(node = node.parentNode)) return identity; return node.__zoom; } -function nopropagation$2() { - exports.event.stopImmediatePropagation(); +function nopropagation(event) { + event.stopImmediatePropagation(); } -function noevent$2() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); +function noevent(event) { + event.preventDefault(); + event.stopImmediatePropagation(); } // Ignore right-click, since that should open the context menu. -function defaultFilter$2() { - return !exports.event.ctrlKey && !exports.event.button; +// except for pinch-to-zoom, which is sent as a wheel+ctrlKey event +function defaultFilter(event) { + return (!event.ctrlKey || event.type === 'wheel') && !event.button; } -function defaultExtent$1() { +function defaultExtent() { var e = this; if (e instanceof SVGElement) { e = e.ownerSVGElement || e; @@ -17678,14 +18754,14 @@ function defaultExtent$1() { } function defaultTransform() { - return this.__zoom || identity$9; + return this.__zoom || identity; } -function defaultWheelDelta() { - return -exports.event.deltaY * (exports.event.deltaMode === 1 ? 0.05 : exports.event.deltaMode ? 1 : 0.002); +function defaultWheelDelta(event) { + return -event.deltaY * (event.deltaMode === 1 ? 0.05 : event.deltaMode ? 1 : 0.002) * (event.ctrlKey ? 10 : 1); } -function defaultTouchable$2() { +function defaultTouchable() { return navigator.maxTouchPoints || ("ontouchstart" in this); } @@ -17701,21 +18777,23 @@ function defaultConstrain(transform, extent, translateExtent) { } function zoom() { - var filter = defaultFilter$2, - extent = defaultExtent$1, + var filter = defaultFilter, + extent = defaultExtent, constrain = defaultConstrain, wheelDelta = defaultWheelDelta, - touchable = defaultTouchable$2, + touchable = defaultTouchable, scaleExtent = [0, Infinity], translateExtent = [[-Infinity, -Infinity], [Infinity, Infinity]], duration = 250, interpolate = interpolateZoom, listeners = dispatch("start", "zoom", "end"), touchstarting, + touchfirst, touchending, touchDelay = 500, wheelDelay = 150, - clickDistance2 = 0; + clickDistance2 = 0, + tapDistance = 10; function zoom(selection) { selection @@ -17727,34 +18805,34 @@ function zoom() { .on("touchstart.zoom", touchstarted) .on("touchmove.zoom", touchmoved) .on("touchend.zoom touchcancel.zoom", touchended) - .style("touch-action", "none") .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); } - zoom.transform = function(collection, transform, point) { + zoom.transform = function(collection, transform, point, event) { var selection = collection.selection ? collection.selection() : collection; selection.property("__zoom", defaultTransform); if (collection !== selection) { - schedule(collection, transform, point); + schedule(collection, transform, point, event); } else { selection.interrupt().each(function() { gesture(this, arguments) - .start() - .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) - .end(); + .event(event) + .start() + .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) + .end(); }); } }; - zoom.scaleBy = function(selection, k, p) { + zoom.scaleBy = function(selection, k, p, event) { zoom.scaleTo(selection, function() { var k0 = this.__zoom.k, k1 = typeof k === "function" ? k.apply(this, arguments) : k; return k0 * k1; - }, p); + }, p, event); }; - zoom.scaleTo = function(selection, k, p) { + zoom.scaleTo = function(selection, k, p, event) { zoom.transform(selection, function() { var e = extent.apply(this, arguments), t0 = this.__zoom, @@ -17762,28 +18840,28 @@ function zoom() { p1 = t0.invert(p0), k1 = typeof k === "function" ? k.apply(this, arguments) : k; return constrain(translate(scale(t0, k1), p0, p1), e, translateExtent); - }, p); + }, p, event); }; - zoom.translateBy = function(selection, x, y) { + zoom.translateBy = function(selection, x, y, event) { zoom.transform(selection, function() { return constrain(this.__zoom.translate( typeof x === "function" ? x.apply(this, arguments) : x, typeof y === "function" ? y.apply(this, arguments) : y ), extent.apply(this, arguments), translateExtent); - }); + }, null, event); }; - zoom.translateTo = function(selection, x, y, p) { + zoom.translateTo = function(selection, x, y, p, event) { zoom.transform(selection, function() { var e = extent.apply(this, arguments), t = this.__zoom, p0 = p == null ? centroid(e) : typeof p === "function" ? p.apply(this, arguments) : p; - return constrain(identity$9.translate(p0[0], p0[1]).scale(t.k).translate( + return constrain(identity.translate(p0[0], p0[1]).scale(t.k).translate( typeof x === "function" ? -x.apply(this, arguments) : -x, typeof y === "function" ? -y.apply(this, arguments) : -y ), e, translateExtent); - }, p); + }, p, event); }; function scale(transform, k) { @@ -17800,14 +18878,14 @@ function zoom() { return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; } - function schedule(transition, transform, point) { + function schedule(transition, transform, point, event) { transition - .on("start.zoom", function() { gesture(this, arguments).start(); }) - .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) + .on("start.zoom", function() { gesture(this, arguments).event(event).start(); }) + .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).event(event).end(); }) .tween("zoom", function() { var that = this, args = arguments, - g = gesture(that, args), + g = gesture(that, args).event(event), e = extent.apply(that, args), p = point == null ? centroid(e) : typeof point === "function" ? point.apply(that, args) : point, w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), @@ -17830,11 +18908,16 @@ function zoom() { this.that = that; this.args = args; this.active = 0; + this.sourceEvent = null; this.extent = extent.apply(that, args); this.taps = 0; } Gesture.prototype = { + event: function(event) { + if (event) this.sourceEvent = event; + return this; + }, start: function() { if (++this.active === 1) { this.that.__zooming = this; @@ -17858,16 +18941,28 @@ function zoom() { return this; }, emit: function(type) { - customEvent(new ZoomEvent(zoom, type, this.that.__zoom), listeners.apply, listeners, [type, this.that, this.args]); + var d = select(this.that).datum(); + listeners.call( + type, + this.that, + new ZoomEvent(type, { + sourceEvent: this.sourceEvent, + target: zoom, + type, + transform: this.that.__zoom, + dispatch: listeners + }), + d + ); } }; - function wheeled() { + function wheeled(event, ...args) { if (!filter.apply(this, arguments)) return; - var g = gesture(this, arguments), + var g = gesture(this, args).event(event), t = this.__zoom, k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], t.k * Math.pow(2, wheelDelta.apply(this, arguments)))), - p = mouse(this); + p = pointer(event); // If the mouse is in the same location as before, reuse it. // If there were recent wheel events, reset the wheel idle timeout. @@ -17888,7 +18983,7 @@ function zoom() { g.start(); } - noevent$2(); + noevent(event); g.wheel = setTimeout(wheelidled, wheelDelay); g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent, translateExtent)); @@ -17898,60 +18993,62 @@ function zoom() { } } - function mousedowned() { + function mousedowned(event, ...args) { if (touchending || !filter.apply(this, arguments)) return; - var g = gesture(this, arguments, true), - v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), - p = mouse(this), - x0 = exports.event.clientX, - y0 = exports.event.clientY; - - dragDisable(exports.event.view); - nopropagation$2(); + var g = gesture(this, args, true).event(event), + v = select(event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), + p = pointer(event, currentTarget), + currentTarget = event.currentTarget, + x0 = event.clientX, + y0 = event.clientY; + + dragDisable(event.view); + nopropagation(event); g.mouse = [p, this.__zoom.invert(p)]; interrupt(this); g.start(); - function mousemoved() { - noevent$2(); + function mousemoved(event) { + noevent(event); if (!g.moved) { - var dx = exports.event.clientX - x0, dy = exports.event.clientY - y0; + var dx = event.clientX - x0, dy = event.clientY - y0; g.moved = dx * dx + dy * dy > clickDistance2; } - g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent, translateExtent)); + g.event(event) + .zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = pointer(event, currentTarget), g.mouse[1]), g.extent, translateExtent)); } - function mouseupped() { + function mouseupped(event) { v.on("mousemove.zoom mouseup.zoom", null); - yesdrag(exports.event.view, g.moved); - noevent$2(); - g.end(); + yesdrag(event.view, g.moved); + noevent(event); + g.event(event).end(); } } - function dblclicked() { + function dblclicked(event, ...args) { if (!filter.apply(this, arguments)) return; var t0 = this.__zoom, - p0 = mouse(this), + p0 = pointer(event.changedTouches ? event.changedTouches[0] : event, this), p1 = t0.invert(p0), - k1 = t0.k * (exports.event.shiftKey ? 0.5 : 2), - t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments), translateExtent); + k1 = t0.k * (event.shiftKey ? 0.5 : 2), + t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, args), translateExtent); - noevent$2(); - if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0); - else select(this).call(zoom.transform, t1); + noevent(event); + if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0, event); + else select(this).call(zoom.transform, t1, p0, event); } - function touchstarted() { + function touchstarted(event, ...args) { if (!filter.apply(this, arguments)) return; - var touches = exports.event.touches, + var touches = event.touches, n = touches.length, - g = gesture(this, arguments, exports.event.changedTouches.length === n), + g = gesture(this, args, event.changedTouches.length === n).event(event), started, i, t, p; - nopropagation$2(); + nopropagation(event); for (i = 0; i < n; ++i) { - t = touches[i], p = touch(this, touches, t.identifier); + t = touches[i], p = pointer(t, this); p = [p, this.__zoom.invert(p), t.identifier]; if (!g.touch0) g.touch0 = p, started = true, g.taps = 1 + !!touchstarting; else if (!g.touch1 && g.touch0[2] !== p[2]) g.touch1 = p, g.taps = 0; @@ -17960,23 +19057,21 @@ function zoom() { if (touchstarting) touchstarting = clearTimeout(touchstarting); if (started) { - if (g.taps < 2) touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); + if (g.taps < 2) touchfirst = p[0], touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); interrupt(this); g.start(); } } - function touchmoved() { + function touchmoved(event, ...args) { if (!this.__zooming) return; - var g = gesture(this, arguments), - touches = exports.event.changedTouches, + var g = gesture(this, args).event(event), + touches = event.changedTouches, n = touches.length, i, t, p, l; - noevent$2(); - if (touchstarting) touchstarting = clearTimeout(touchstarting); - g.taps = 0; + noevent(event); for (i = 0; i < n; ++i) { - t = touches[i], p = touch(this, touches, t.identifier); + t = touches[i], p = pointer(t, this); if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; } @@ -17992,16 +19087,17 @@ function zoom() { } else if (g.touch0) p = g.touch0[0], l = g.touch0[1]; else return; + g.zoom("touch", constrain(translate(t, p, l), g.extent, translateExtent)); } - function touchended() { + function touchended(event, ...args) { if (!this.__zooming) return; - var g = gesture(this, arguments), - touches = exports.event.changedTouches, + var g = gesture(this, args).event(event), + touches = event.changedTouches, n = touches.length, i, t; - nopropagation$2(); + nopropagation(event); if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, touchDelay); for (i = 0; i < n; ++i) { @@ -18015,26 +19111,29 @@ function zoom() { g.end(); // If this was a dbltap, reroute to the (optional) dblclick.zoom handler. if (g.taps === 2) { - var p = select(this).on("dblclick.zoom"); - if (p) p.apply(this, arguments); + t = pointer(t, this); + if (Math.hypot(touchfirst[0] - t[0], touchfirst[1] - t[1]) < tapDistance) { + var p = select(this).on("dblclick.zoom"); + if (p) p.apply(this, arguments); + } } } } zoom.wheelDelta = function(_) { - return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant$d(+_), zoom) : wheelDelta; + return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant(+_), zoom) : wheelDelta; }; zoom.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$d(!!_), zoom) : filter; + return arguments.length ? (filter = typeof _ === "function" ? _ : constant(!!_), zoom) : filter; }; zoom.touchable = function(_) { - return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$d(!!_), zoom) : touchable; + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant(!!_), zoom) : touchable; }; zoom.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$d([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; + return arguments.length ? (extent = typeof _ === "function" ? _ : constant([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; }; zoom.scaleExtent = function(_) { @@ -18066,21 +19165,32 @@ function zoom() { return arguments.length ? (clickDistance2 = (_ = +_) * _, zoom) : Math.sqrt(clickDistance2); }; + zoom.tapDistance = function(_) { + return arguments.length ? (tapDistance = +_, zoom) : tapDistance; + }; + return zoom; } +exports.Adder = Adder; +exports.Delaunay = Delaunay; exports.FormatSpecifier = FormatSpecifier; +exports.InternMap = InternMap; +exports.InternSet = InternSet; +exports.Voronoi = Voronoi; exports.active = active; exports.arc = arc; -exports.area = area$3; +exports.area = area; exports.areaRadial = areaRadial; -exports.ascending = ascending; +exports.ascending = ascending$3; exports.autoType = autoType; exports.axisBottom = axisBottom; exports.axisLeft = axisLeft; exports.axisRight = axisRight; exports.axisTop = axisTop; +exports.bin = bin; exports.bisect = bisectRight; +exports.bisectCenter = bisectCenter; exports.bisectLeft = bisectLeft; exports.bisectRight = bisectRight; exports.bisector = bisector; @@ -18091,15 +19201,17 @@ exports.brushX = brushX; exports.brushY = brushY; exports.buffer = buffer; exports.chord = chord; -exports.clientPoint = point; +exports.chordDirected = chordDirected; +exports.chordTranspose = chordTranspose; exports.cluster = cluster; exports.color = color; exports.contourDensity = density; exports.contours = contours; -exports.create = create; +exports.count = count$1; +exports.create = create$1; exports.creator = creator; -exports.cross = cross; -exports.csv = csv$1; +exports.cross = cross$2; +exports.csv = csv; exports.csvFormat = csvFormat; exports.csvFormatBody = csvFormatBody; exports.csvFormatRow = csvFormatRow; @@ -18107,10 +19219,13 @@ exports.csvFormatRows = csvFormatRows; exports.csvFormatValue = csvFormatValue; exports.csvParse = csvParse; exports.csvParseRows = csvParseRows; -exports.cubehelix = cubehelix; -exports.curveBasis = basis$2; -exports.curveBasisClosed = basisClosed$1; +exports.cubehelix = cubehelix$3; +exports.cumsum = cumsum; +exports.curveBasis = basis; +exports.curveBasisClosed = basisClosed; exports.curveBasisOpen = basisOpen; +exports.curveBumpX = bumpX; +exports.curveBumpY = bumpY; exports.curveBundle = bundle; exports.curveCardinal = cardinal; exports.curveCardinalClosed = cardinalClosed; @@ -18126,9 +19241,10 @@ exports.curveNatural = natural; exports.curveStep = step; exports.curveStepAfter = stepAfter; exports.curveStepBefore = stepBefore; -exports.customEvent = customEvent; -exports.descending = descending; +exports.descending = descending$2; exports.deviation = deviation; +exports.difference = difference; +exports.disjoint = disjoint; exports.dispatch = dispatch; exports.drag = drag; exports.dragDisable = dragDisable; @@ -18172,32 +19288,35 @@ exports.easeSin = sinInOut; exports.easeSinIn = sinIn; exports.easeSinInOut = sinInOut; exports.easeSinOut = sinOut; -exports.entries = entries; -exports.extent = extent; -exports.forceCenter = center$1; +exports.every = every; +exports.extent = extent$1; +exports.fcumsum = fcumsum; +exports.filter = filter$1; +exports.forceCenter = center; exports.forceCollide = collide; -exports.forceLink = link; +exports.forceLink = link$2; exports.forceManyBody = manyBody; -exports.forceRadial = radial; +exports.forceRadial = radial$1; exports.forceSimulation = simulation; -exports.forceX = x$2; -exports.forceY = y$2; -exports.formatDefaultLocale = defaultLocale; -exports.formatLocale = formatLocale; +exports.forceX = x$1; +exports.forceY = y$1; +exports.formatDefaultLocale = defaultLocale$1; +exports.formatLocale = formatLocale$1; exports.formatSpecifier = formatSpecifier; +exports.fsum = fsum; exports.geoAlbers = albers; exports.geoAlbersUsa = albersUsa; -exports.geoArea = area$1; +exports.geoArea = area$2; exports.geoAzimuthalEqualArea = azimuthalEqualArea; exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw; exports.geoAzimuthalEquidistant = azimuthalEquidistant; exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; exports.geoBounds = bounds; -exports.geoCentroid = centroid; -exports.geoCircle = circle; +exports.geoCentroid = centroid$1; +exports.geoCircle = circle$2; exports.geoClipAntimeridian = clipAntimeridian; exports.geoClipCircle = clipCircle; -exports.geoClipExtent = extent$1; +exports.geoClipExtent = extent; exports.geoClipRectangle = clipRectangle; exports.geoConicConformal = conicConformal; exports.geoConicConformalRaw = conicConformalRaw; @@ -18215,8 +19334,8 @@ exports.geoGnomonic = gnomonic; exports.geoGnomonicRaw = gnomonicRaw; exports.geoGraticule = graticule; exports.geoGraticule10 = graticule10; -exports.geoIdentity = identity$5; -exports.geoInterpolate = interpolate$1; +exports.geoIdentity = identity$4; +exports.geoInterpolate = interpolate; exports.geoLength = length$1; exports.geoMercator = mercator; exports.geoMercatorRaw = mercatorRaw; @@ -18224,27 +19343,34 @@ exports.geoNaturalEarth1 = naturalEarth1; exports.geoNaturalEarth1Raw = naturalEarth1Raw; exports.geoOrthographic = orthographic; exports.geoOrthographicRaw = orthographicRaw; -exports.geoPath = index$1; +exports.geoPath = index$2; exports.geoProjection = projection; exports.geoProjectionMutator = projectionMutator; exports.geoRotation = rotation; exports.geoStereographic = stereographic; exports.geoStereographicRaw = stereographicRaw; exports.geoStream = geoStream; -exports.geoTransform = transform; +exports.geoTransform = transform$1; exports.geoTransverseMercator = transverseMercator; exports.geoTransverseMercatorRaw = transverseMercatorRaw; exports.gray = gray; -exports.hcl = hcl; +exports.greatest = greatest; +exports.greatestIndex = greatestIndex; +exports.group = group; +exports.groupSort = groupSort; +exports.groups = groups; +exports.hcl = hcl$2; exports.hierarchy = hierarchy; -exports.histogram = histogram; -exports.hsl = hsl; +exports.histogram = bin; +exports.hsl = hsl$2; exports.html = html; exports.image = image; -exports.interpolate = interpolateValue; -exports.interpolateArray = array$1; -exports.interpolateBasis = basis$1; -exports.interpolateBasisClosed = basisClosed; +exports.index = index$4; +exports.indexes = indexes; +exports.interpolate = interpolate$2; +exports.interpolateArray = array$3; +exports.interpolateBasis = basis$2; +exports.interpolateBasisClosed = basisClosed$1; exports.interpolateBlues = Blues; exports.interpolateBrBG = BrBG; exports.interpolateBuGn = BuGn; @@ -18252,24 +19378,24 @@ exports.interpolateBuPu = BuPu; exports.interpolateCividis = cividis; exports.interpolateCool = cool; exports.interpolateCubehelix = cubehelix$2; -exports.interpolateCubehelixDefault = cubehelix$3; +exports.interpolateCubehelixDefault = cubehelix; exports.interpolateCubehelixLong = cubehelixLong; -exports.interpolateDate = date; +exports.interpolateDate = date$1; exports.interpolateDiscrete = discrete; exports.interpolateGnBu = GnBu; exports.interpolateGreens = Greens; exports.interpolateGreys = Greys; -exports.interpolateHcl = hcl$2; +exports.interpolateHcl = hcl$1; exports.interpolateHclLong = hclLong; -exports.interpolateHsl = hsl$2; +exports.interpolateHsl = hsl$1; exports.interpolateHslLong = hslLong; -exports.interpolateHue = hue$1; +exports.interpolateHue = hue; exports.interpolateInferno = inferno; -exports.interpolateLab = lab$1; +exports.interpolateLab = lab; exports.interpolateMagma = magma; exports.interpolateNumber = interpolateNumber; exports.interpolateNumberArray = numberArray; -exports.interpolateObject = object; +exports.interpolateObject = object$1; exports.interpolateOrRd = OrRd; exports.interpolateOranges = Oranges; exports.interpolatePRGn = PRGn; @@ -18305,32 +19431,35 @@ exports.interpolateYlOrBr = YlOrBr; exports.interpolateYlOrRd = YlOrRd; exports.interpolateZoom = interpolateZoom; exports.interrupt = interrupt; -exports.interval = interval$1; +exports.intersection = intersection; +exports.interval = interval; exports.isoFormat = formatIso; exports.isoParse = parseIso; exports.json = json; -exports.keys = keys; -exports.lab = lab; +exports.lab = lab$1; exports.lch = lch; +exports.least = least; +exports.leastIndex = leastIndex; exports.line = line; exports.lineRadial = lineRadial$1; exports.linkHorizontal = linkHorizontal; exports.linkRadial = linkRadial; exports.linkVertical = linkVertical; -exports.local = local; +exports.local = local$1; exports.map = map$1; exports.matcher = matcher; -exports.max = max; +exports.max = max$3; +exports.maxIndex = maxIndex; exports.mean = mean; exports.median = median; exports.merge = merge; -exports.min = min; -exports.mouse = mouse; +exports.min = min$2; +exports.minIndex = minIndex; exports.namespace = namespace; exports.namespaces = namespaces; -exports.nest = nest; +exports.nice = nice$1; exports.now = now; -exports.pack = index$2; +exports.pack = index$1; exports.packEnclose = enclose; exports.packSiblings = siblings; exports.pairs = pairs; @@ -18340,43 +19469,65 @@ exports.permute = permute; exports.pie = pie; exports.piecewise = piecewise; exports.pointRadial = pointRadial; -exports.polygonArea = area$2; -exports.polygonCentroid = centroid$1; -exports.polygonContains = contains$2; +exports.pointer = pointer; +exports.pointers = pointers; +exports.polygonArea = area$1; +exports.polygonCentroid = centroid; +exports.polygonContains = contains; exports.polygonHull = hull; -exports.polygonLength = length$2; +exports.polygonLength = length; exports.precisionFixed = precisionFixed; exports.precisionPrefix = precisionPrefix; exports.precisionRound = precisionRound; exports.quadtree = quadtree; -exports.quantile = threshold; -exports.quantize = quantize; +exports.quantile = quantile$1; +exports.quantileSorted = quantileSorted; +exports.quantize = quantize$1; +exports.quickselect = quickselect; exports.radialArea = areaRadial; exports.radialLine = lineRadial$1; exports.randomBates = bates; -exports.randomExponential = exponential$1; +exports.randomBernoulli = bernoulli; +exports.randomBeta = beta; +exports.randomBinomial = binomial; +exports.randomCauchy = cauchy; +exports.randomExponential = exponential; +exports.randomGamma = gamma; +exports.randomGeometric = geometric; +exports.randomInt = int; exports.randomIrwinHall = irwinHall; +exports.randomLcg = lcg; exports.randomLogNormal = logNormal; +exports.randomLogistic = logistic; exports.randomNormal = normal; +exports.randomPareto = pareto; +exports.randomPoisson = poisson; exports.randomUniform = uniform; +exports.randomWeibull = weibull; exports.range = sequence; +exports.reduce = reduce; +exports.reverse = reverse$1; exports.rgb = rgb; -exports.ribbon = ribbon; +exports.ribbon = ribbon$1; +exports.ribbonArrow = ribbonArrow; +exports.rollup = rollup; +exports.rollups = rollups; exports.scaleBand = band; -exports.scaleDiverging = diverging; +exports.scaleDiverging = diverging$1; exports.scaleDivergingLog = divergingLog; exports.scaleDivergingPow = divergingPow; exports.scaleDivergingSqrt = divergingSqrt; exports.scaleDivergingSymlog = divergingSymlog; -exports.scaleIdentity = identity$7; +exports.scaleIdentity = identity$2; exports.scaleImplicit = implicit; -exports.scaleLinear = linear$2; -exports.scaleLog = log$1; +exports.scaleLinear = linear; +exports.scaleLog = log; exports.scaleOrdinal = ordinal; -exports.scalePoint = point$1; -exports.scalePow = pow$1; +exports.scalePoint = point$4; +exports.scalePow = pow; exports.scaleQuantile = quantile; -exports.scaleQuantize = quantize$1; +exports.scaleQuantize = quantize; +exports.scaleRadial = radial; exports.scaleSequential = sequential; exports.scaleSequentialLog = sequentialLog; exports.scaleSequentialPow = sequentialPow; @@ -18385,73 +19536,77 @@ exports.scaleSequentialSqrt = sequentialSqrt; exports.scaleSequentialSymlog = sequentialSymlog; exports.scaleSqrt = sqrt$1; exports.scaleSymlog = symlog; -exports.scaleThreshold = threshold$1; +exports.scaleThreshold = threshold; exports.scaleTime = time; exports.scaleUtc = utcTime; exports.scan = scan; exports.schemeAccent = Accent; -exports.schemeBlues = scheme$l; -exports.schemeBrBG = scheme; -exports.schemeBuGn = scheme$9; -exports.schemeBuPu = scheme$a; +exports.schemeBlues = scheme$5; +exports.schemeBrBG = scheme$q; +exports.schemeBuGn = scheme$h; +exports.schemeBuPu = scheme$g; exports.schemeCategory10 = category10; exports.schemeDark2 = Dark2; -exports.schemeGnBu = scheme$b; -exports.schemeGreens = scheme$m; -exports.schemeGreys = scheme$n; -exports.schemeOrRd = scheme$c; -exports.schemeOranges = scheme$q; -exports.schemePRGn = scheme$1; +exports.schemeGnBu = scheme$f; +exports.schemeGreens = scheme$4; +exports.schemeGreys = scheme$3; +exports.schemeOrRd = scheme$e; +exports.schemeOranges = scheme; +exports.schemePRGn = scheme$p; exports.schemePaired = Paired; exports.schemePastel1 = Pastel1; exports.schemePastel2 = Pastel2; -exports.schemePiYG = scheme$2; -exports.schemePuBu = scheme$e; +exports.schemePiYG = scheme$o; +exports.schemePuBu = scheme$c; exports.schemePuBuGn = scheme$d; -exports.schemePuOr = scheme$3; -exports.schemePuRd = scheme$f; -exports.schemePurples = scheme$o; -exports.schemeRdBu = scheme$4; -exports.schemeRdGy = scheme$5; -exports.schemeRdPu = scheme$g; -exports.schemeRdYlBu = scheme$6; -exports.schemeRdYlGn = scheme$7; -exports.schemeReds = scheme$p; +exports.schemePuOr = scheme$n; +exports.schemePuRd = scheme$b; +exports.schemePurples = scheme$2; +exports.schemeRdBu = scheme$m; +exports.schemeRdGy = scheme$l; +exports.schemeRdPu = scheme$a; +exports.schemeRdYlBu = scheme$k; +exports.schemeRdYlGn = scheme$j; +exports.schemeReds = scheme$1; exports.schemeSet1 = Set1; exports.schemeSet2 = Set2; exports.schemeSet3 = Set3; -exports.schemeSpectral = scheme$8; +exports.schemeSpectral = scheme$i; exports.schemeTableau10 = Tableau10; -exports.schemeYlGn = scheme$i; -exports.schemeYlGnBu = scheme$h; -exports.schemeYlOrBr = scheme$j; -exports.schemeYlOrRd = scheme$k; +exports.schemeYlGn = scheme$8; +exports.schemeYlGnBu = scheme$9; +exports.schemeYlOrBr = scheme$7; +exports.schemeYlOrRd = scheme$6; exports.select = select; exports.selectAll = selectAll; exports.selection = selection; exports.selector = selector; exports.selectorAll = selectorAll; -exports.set = set$2; -exports.shuffle = shuffle; +exports.shuffle = shuffle$1; +exports.shuffler = shuffler; +exports.some = some; +exports.sort = sort; exports.stack = stack; -exports.stackOffsetDiverging = diverging$1; +exports.stackOffsetDiverging = diverging; exports.stackOffsetExpand = expand; exports.stackOffsetNone = none$1; exports.stackOffsetSilhouette = silhouette; exports.stackOffsetWiggle = wiggle; exports.stackOrderAppearance = appearance; -exports.stackOrderAscending = ascending$3; -exports.stackOrderDescending = descending$2; +exports.stackOrderAscending = ascending; +exports.stackOrderDescending = descending; exports.stackOrderInsideOut = insideOut; -exports.stackOrderNone = none$2; +exports.stackOrderNone = none; exports.stackOrderReverse = reverse; exports.stratify = stratify; exports.style = styleValue; -exports.sum = sum; +exports.subset = subset; +exports.sum = sum$1; +exports.superset = superset; exports.svg = svg; exports.symbol = symbol; -exports.symbolCircle = circle$2; -exports.symbolCross = cross$2; +exports.symbolCircle = circle; +exports.symbolCross = cross; exports.symbolDiamond = diamond; exports.symbolSquare = square; exports.symbolStar = star; @@ -18468,8 +19623,8 @@ exports.tickStep = tickStep; exports.ticks = ticks; exports.timeDay = day; exports.timeDays = days; -exports.timeFormatDefaultLocale = defaultLocale$1; -exports.timeFormatLocale = formatLocale$1; +exports.timeFormatDefaultLocale = defaultLocale; +exports.timeFormatLocale = formatLocale; exports.timeFriday = friday; exports.timeFridays = fridays; exports.timeHour = hour; @@ -18499,22 +19654,20 @@ exports.timeWeek = sunday; exports.timeWeeks = sundays; exports.timeYear = year; exports.timeYears = years; -exports.timeout = timeout$1; +exports.timeout = timeout; exports.timer = timer; exports.timerFlush = timerFlush; -exports.touch = touch; -exports.touches = touches; exports.transition = transition; exports.transpose = transpose; exports.tree = tree; -exports.treemap = index$3; +exports.treemap = index; exports.treemapBinary = binary; exports.treemapDice = treemapDice; exports.treemapResquarify = resquarify; exports.treemapSlice = treemapSlice; exports.treemapSliceDice = sliceDice; exports.treemapSquarify = squarify; -exports.tsv = tsv$1; +exports.tsv = tsv; exports.tsvFormat = tsvFormat; exports.tsvFormatBody = tsvFormatBody; exports.tsvFormatRow = tsvFormatRow; @@ -18522,6 +19675,7 @@ exports.tsvFormatRows = tsvFormatRows; exports.tsvFormatValue = tsvFormatValue; exports.tsvParse = tsvParse; exports.tsvParseRows = tsvParseRows; +exports.union = union; exports.utcDay = utcDay; exports.utcDays = utcDays; exports.utcFriday = utcFriday; @@ -18552,17 +19706,15 @@ exports.utcWeek = utcSunday; exports.utcWeeks = utcSundays; exports.utcYear = utcYear; exports.utcYears = utcYears; -exports.values = values; exports.variance = variance; exports.version = version; -exports.voronoi = voronoi; exports.window = defaultView; exports.xml = xml; exports.zip = zip; 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2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:lm(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},dm.prototype={areaStart:sm,areaEnd:sm,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:lm(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},pm.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:lm(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};class gm{constructor(t,n){this._context=t,this._x=n}areaStart(){this._line=0}areaEnd(){this._line=NaN}lineStart(){this._point=0}lineEnd(){(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line}point(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:this._x?this._context.bezierCurveTo(this._x0=(this._x0+t)/2,this._y0,this._x0,n,t,n):this._context.bezierCurveTo(this._x0,this._y0=(this._y0+n)/2,t,this._y0,t,n)}this._x0=t,this._y0=n}}function ym(t,n){this._basis=new hm(t),this._beta=n}ym.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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3:_m(this,this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2,this._x1=t,this._y1=n;break;case 2:this._point=3;default:_m(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var mm=function t(n){function e(t){return new bm(t,n)}return e.tension=function(n){return t(+n)},e}(0);function xm(t,n){this._context=t,this._k=(1-n)/6}xm.prototype={areaStart:sm,areaEnd:sm,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:_m(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var wm=function t(n){function e(t){return new xm(t,n)}return e.tension=function(n){return t(+n)},e}(0);function Mm(t,n){this._context=t,this._k=(1-n)/6}Mm.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:_m(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Am=function t(n){function e(t){return new Mm(t,n)}return e.tension=function(n){return t(+n)},e}(0);function Tm(t,n,e){var r=t._x1,i=t._y1,o=t._x2,a=t._y2;if(t._l01_a>sb){var u=2*t._l01_2a+3*t._l01_a*t._l12_a+t._l12_2a,c=3*t._l01_a*(t._l01_a+t._l12_a);r=(r*u-t._x0*t._l12_2a+t._x2*t._l01_2a)/c,i=(i*u-t._y0*t._l12_2a+t._y2*t._l01_2a)/c}if(t._l23_a>sb){var f=2*t._l23_2a+3*t._l23_a*t._l12_a+t._l12_2a,s=3*t._l23_a*(t._l23_a+t._l12_a);o=(o*f+t._x1*t._l23_2a-n*t._l12_2a)/s,a=(a*f+t._y1*t._l23_2a-e*t._l12_2a)/s}t._context.bezierCurveTo(r,i,o,a,t._x2,t._y2)}function Sm(t,n){this._context=t,this._alpha=n}Sm.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3;default:Tm(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Em=function t(n){function e(t){return n?new Sm(t,n):new bm(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);function km(t,n){this._context=t,this._alpha=n}km.prototype={areaStart:sm,areaEnd:sm,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Tm(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Nm=function t(n){function e(t){return n?new km(t,n):new xm(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);function Cm(t,n){this._context=t,this._alpha=n}Cm.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:Tm(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Pm=function 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right}; } function ascendingComparator(f) { - return function(d, x) { - return ascending(f(d), x); - }; + return (d, x) => ascending$3(f(d), x); } -var ascendingBisect = bisector(ascending); -var bisectRight = ascendingBisect.right; -var bisectLeft = ascendingBisect.left; +function number$3(x) { + return x === null ? NaN : +x; +} -function pairs(array, f) { - if (f == null) f = pair; - var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n); - while (i < n) pairs[i] = f(p, p = array[++i]); - return pairs; +function* numbers(values, valueof) { + if (valueof === undefined) { + for (let value of values) { + if (value != null && (value = +value) >= value) { + yield value; + } + } + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) { + yield value; + } + } + } } -function pair(a, b) { - return [a, b]; +const ascendingBisect = bisector(ascending$3); +const bisectRight = ascendingBisect.right; +const bisectLeft = ascendingBisect.left; +const bisectCenter = bisector(number$3).center; + +function count$1(values, valueof) { + let count = 0; + if (valueof === undefined) { + for (let value of values) { + if (value != null && (value = +value) >= value) { + ++count; + } + } + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) { + ++count; + } + } + } + return count; } -function cross(values0, values1, reduce) { - var n0 = values0.length, - n1 = values1.length, - values = new Array(n0 * n1), - i0, - i1, - i, - value0; +function length$3(array) { + return array.length | 0; +} + +function empty$2(length) { + return !(length > 0); +} + +function arrayify(values) { + return typeof values !== "object" || "length" in values ? values : Array.from(values); +} - if (reduce == null) reduce = pair; +function reducer(reduce) { + return values => reduce(...values); +} - for (i0 = i = 0; i0 < n0; ++i0) { - for (value0 = values0[i0], i1 = 0; i1 < n1; ++i1, ++i) { - values[i] = reduce(value0, values1[i1]); +function cross$2(...values) { + const reduce = typeof values[values.length - 1] === "function" && reducer(values.pop()); + values = values.map(arrayify); + const lengths = values.map(length$3); + const j = values.length - 1; + const index = new Array(j + 1).fill(0); + const product = []; + if (j < 0 || lengths.some(empty$2)) return product; + while (true) { + product.push(index.map((j, i) => values[i][j])); + let i = j; + while (++index[i] === lengths[i]) { + if (i === 0) return reduce ? product.map(reduce) : product; + index[i--] = 0; } } - - return values; } -function descending(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; +function cumsum(values, valueof) { + var sum = 0, index = 0; + return Float64Array.from(values, valueof === undefined + ? v => (sum += +v || 0) + : v => (sum += +valueof(v, index++, values) || 0)); } -function number(x) { - return x === null ? NaN : +x; +function descending$2(a, b) { + return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; } function variance(values, valueof) { - var n = values.length, - m = 0, - i = -1, - mean = 0, - value, - delta, - sum = 0; - - if (valueof == null) { - while (++i < n) { - if (!isNaN(value = number(values[i]))) { + let count = 0; + let delta; + let mean = 0; + let sum = 0; + if (valueof === undefined) { + for (let value of values) { + if (value != null && (value = +value) >= value) { delta = value - mean; - mean += delta / ++m; + mean += delta / ++count; sum += delta * (value - mean); } } - } - - else { - while (++i < n) { - if (!isNaN(value = number(valueof(values[i], i, values)))) { + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) { delta = value - mean; - mean += delta / ++m; + mean += delta / ++count; sum += delta * (value - mean); } } } - - if (m > 1) return sum / (m - 1); + if (count > 1) return sum / (count - 1); } -function deviation(array, f) { - var v = variance(array, f); +function deviation(values, valueof) { + const v = variance(values, valueof); return v ? Math.sqrt(v) : v; } -function extent(values, valueof) { - var n = values.length, - i = -1, - value, - min, - max; - - if (valueof == null) { - while (++i < n) { // Find the first comparable value. - if ((value = values[i]) != null && value >= value) { - min = max = value; - while (++i < n) { // Compare the remaining values. - if ((value = values[i]) != null) { - if (min > value) min = value; - if (max < value) max = value; - } +function extent$1(values, valueof) { + let min; + let max; + if (valueof === undefined) { + for (const value of values) { + if (value != null) { + if (min === undefined) { + if (value >= value) min = max = value; + } else { + if (min > value) min = value; + if (max < value) max = value; + } + } + } + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null) { + if (min === undefined) { + if (value >= value) min = max = value; + } else { + if (min > value) min = value; + if (max < value) max = value; } } } } + return [min, max]; +} - else { - while (++i < n) { // Find the first comparable value. - if ((value = valueof(values[i], i, values)) != null && value >= value) { - min = max = value; - while (++i < n) { // Compare the remaining values. - if ((value = valueof(values[i], i, values)) != null) { - if (min > value) min = value; - if (max < value) max = value; - } - } +// https://github.com/python/cpython/blob/a74eea238f5baba15797e2e8b570d153bc8690a7/Modules/mathmodule.c#L1423 +class Adder { + constructor() { + this._partials = new Float64Array(32); + this._n = 0; + } + add(x) { + const p = this._partials; + let i = 0; + for (let j = 0; j < this._n && j < 32; j++) { + const y = p[j], + hi = x + y, + lo = Math.abs(x) < Math.abs(y) ? x - (hi - y) : y - (hi - x); + if (lo) p[i++] = lo; + x = hi; + } + p[i] = x; + this._n = i + 1; + return this; + } + valueOf() { + const p = this._partials; + let n = this._n, x, y, lo, hi = 0; + if (n > 0) { + hi = p[--n]; + while (n > 0) { + x = hi; + y = p[--n]; + hi = x + y; + lo = y - (hi - x); + if (lo) break; + } + if (n > 0 && ((lo < 0 && p[n - 1] < 0) || (lo > 0 && p[n - 1] > 0))) { + y = lo * 2; + x = hi + y; + if (y == x - hi) hi = x; } } + return hi; } +} - return [min, max]; +function fsum(values, valueof) { + const adder = new Adder(); + if (valueof === undefined) { + for (let value of values) { + if (value = +value) { + adder.add(value); + } + } + } else { + let index = -1; + for (let value of values) { + if (value = +valueof(value, ++index, values)) { + adder.add(value); + } + } + } + return +adder; } -var array = Array.prototype; +function fcumsum(values, valueof) { + const adder = new Adder(); + let index = -1; + return Float64Array.from(values, valueof === undefined + ? v => adder.add(+v || 0) + : v => adder.add(+valueof(v, ++index, values) || 0) + ); +} -var slice = array.slice; -var map = array.map; +class InternMap extends Map { + constructor(entries, key = keyof) { + super(); + Object.defineProperties(this, {_intern: {value: new Map()}, _key: {value: key}}); + if (entries != null) for (const [key, value] of entries) this.set(key, value); + } + get(key) { + return super.get(intern_get(this, key)); + } + has(key) { + return super.has(intern_get(this, key)); + } + set(key, value) { + return super.set(intern_set(this, key), value); + } + delete(key) { + return super.delete(intern_delete(this, key)); + } +} -function constant(x) { - return function() { - return x; - }; +class InternSet extends Set { + constructor(values, key = keyof) { + super(); + Object.defineProperties(this, {_intern: {value: new Map()}, _key: {value: key}}); + if (values != null) for (const value of values) this.add(value); + } + has(value) { + return super.has(intern_get(this, value)); + } + add(value) { + return super.add(intern_set(this, value)); + } + delete(value) { + return super.delete(intern_delete(this, value)); + } } -function identity(x) { +function intern_get({_intern, _key}, value) { + const key = _key(value); + return _intern.has(key) ? _intern.get(key) : value; +} + +function intern_set({_intern, _key}, value) { + const key = _key(value); + if (_intern.has(key)) return _intern.get(key); + _intern.set(key, value); + return value; +} + +function intern_delete({_intern, _key}, value) { + const key = _key(value); + if (_intern.has(key)) { + value = _intern.get(value); + _intern.delete(key); + } + return value; +} + +function keyof(value) { + return value !== null && typeof value === "object" ? value.valueOf() : value; +} + +function identity$9(x) { return x; } -function sequence(start, stop, step) { - start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; +function group(values, ...keys) { + return nest(values, identity$9, identity$9, keys); +} - var i = -1, - n = Math.max(0, Math.ceil((stop - start) / step)) | 0, - range = new Array(n); +function groups(values, ...keys) { + return nest(values, Array.from, identity$9, keys); +} - while (++i < n) { - range[i] = start + i * step; +function rollup(values, reduce, ...keys) { + return nest(values, identity$9, reduce, keys); +} + +function rollups(values, reduce, ...keys) { + return nest(values, Array.from, reduce, keys); +} + +function index$4(values, ...keys) { + return nest(values, identity$9, unique, keys); +} + +function indexes(values, ...keys) { + return nest(values, Array.from, unique, keys); +} + +function unique(values) { + if (values.length !== 1) throw new Error("duplicate key"); + return values[0]; +} + +function nest(values, map, reduce, keys) { + return (function regroup(values, i) { + if (i >= keys.length) return reduce(values); + const groups = new InternMap(); + const keyof = keys[i++]; + let index = -1; + for (const value of values) { + const key = keyof(value, ++index, values); + const group = groups.get(key); + if (group) group.push(value); + else groups.set(key, [value]); + } + for (const [key, values] of groups) { + groups.set(key, regroup(values, i)); + } + return map(groups); + })(values, 0); +} + +function permute(source, keys) { + return Array.from(keys, key => source[key]); +} + +function sort(values, ...F) { + if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable"); + values = Array.from(values); + let [f = ascending$3] = F; + if (f.length === 1 || F.length > 1) { + const index = Uint32Array.from(values, (d, i) => i); + if (F.length > 1) { + F = F.map(f => values.map(f)); + index.sort((i, j) => { + for (const f of F) { + const c = ascending$3(f[i], f[j]); + if (c) return c; + } + }); + } else { + f = values.map(f); + index.sort((i, j) => ascending$3(f[i], f[j])); + } + return permute(values, index); } + return values.sort(f); +} - return range; +function groupSort(values, reduce, key) { + return (reduce.length === 1 + ? sort(rollup(values, reduce, key), (([ak, av], [bk, bv]) => ascending$3(av, bv) || ascending$3(ak, bk))) + : sort(group(values, key), (([ak, av], [bk, bv]) => reduce(av, bv) || ascending$3(ak, bk)))) + .map(([key]) => key); +} + +var array$5 = Array.prototype; + +var slice$4 = array$5.slice; + +function constant$b(x) { + return function() { + return x; + }; } var e10 = Math.sqrt(50), @@ -207,15 +452,18 @@ function ticks(start, stop, count) { if ((step = tickIncrement(start, stop, count)) === 0 || !isFinite(step)) return []; if (step > 0) { - start = Math.ceil(start / step); - stop = Math.floor(stop / step); - ticks = new Array(n = Math.ceil(stop - start + 1)); - while (++i < n) ticks[i] = (start + i) * step; + let r0 = Math.round(start / step), r1 = Math.round(stop / step); + if (r0 * step < start) ++r0; + if (r1 * step > stop) --r1; + ticks = new Array(n = r1 - r0 + 1); + while (++i < n) ticks[i] = (r0 + i) * step; } else { - start = Math.floor(start * step); - stop = Math.ceil(stop * step); - ticks = new Array(n = Math.ceil(start - stop + 1)); - while (++i < n) ticks[i] = (start - i) / step; + step = -step; + let r0 = Math.round(start * step), r1 = Math.round(stop * step); + if (r0 / step < start) ++r0; + if (r1 / step > stop) --r1; + ticks = new Array(n = r1 - r0 + 1); + while (++i < n) ticks[i] = (r0 + i) / step; } if (reverse) ticks.reverse(); @@ -242,16 +490,35 @@ function tickStep(start, stop, count) { return stop < start ? -step1 : step1; } +function nice$1(start, stop, count) { + let prestep; + while (true) { + const step = tickIncrement(start, stop, count); + if (step === prestep || step === 0 || !isFinite(step)) { + return [start, stop]; + } else if (step > 0) { + start = Math.floor(start / step) * step; + stop = Math.ceil(stop / step) * step; + } else if (step < 0) { + start = Math.ceil(start * step) / step; + stop = Math.floor(stop * step) / step; + } + prestep = step; + } +} + function thresholdSturges(values) { - return Math.ceil(Math.log(values.length) / Math.LN2) + 1; + return Math.ceil(Math.log(count$1(values)) / Math.LN2) + 1; } -function histogram() { - var value = identity, - domain = extent, +function bin() { + var value = identity$9, + domain = extent$1, threshold = thresholdSturges; function histogram(data) { + if (!Array.isArray(data)) data = Array.from(data); + var i, n = data.length, x, @@ -266,10 +533,34 @@ function histogram() { x1 = xz[1], tz = threshold(values, x0, x1); - // Convert number of thresholds into uniform thresholds. + // Convert number of thresholds into uniform thresholds, and nice the + // default domain accordingly. if (!Array.isArray(tz)) { - tz = tickStep(x0, x1, tz); - tz = sequence(Math.ceil(x0 / tz) * tz, x1, tz); // exclusive + const max = x1, tn = +tz; + if (domain === extent$1) [x0, x1] = nice$1(x0, x1, tn); + tz = ticks(x0, x1, tn); + + // If the last threshold is coincident with the domain’s upper bound, the + // last bin will be zero-width. If the default domain is used, and this + // last threshold is coincident with the maximum input value, we can + // extend the niced upper bound by one tick to ensure uniform bin widths; + // otherwise, we simply remove the last threshold. Note that we don’t + // coerce values or the domain to numbers, and thus must be careful to + // compare order (>=) rather than strict equality (===)! + if (tz[tz.length - 1] >= x1) { + if (max >= x1 && domain === extent$1) { + const step = tickIncrement(x0, x1, tn); + if (isFinite(step)) { + if (step > 0) { + x1 = (Math.floor(x1 / step) + 1) * step; + } else if (step < 0) { + x1 = (Math.ceil(x1 * -step) + 1) / -step; + } + } + } else { + tz.pop(); + } + } } // Remove any thresholds outside the domain. @@ -299,22 +590,119 @@ function histogram() { } histogram.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant(_), histogram) : value; + return arguments.length ? (value = typeof _ === "function" ? _ : constant$b(_), histogram) : value; }; histogram.domain = function(_) { - return arguments.length ? (domain = typeof _ === "function" ? _ : constant([_[0], _[1]]), histogram) : domain; + return arguments.length ? (domain = typeof _ === "function" ? _ : constant$b([_[0], _[1]]), histogram) : domain; }; histogram.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), histogram) : threshold; + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$b(slice$4.call(_)) : constant$b(_), histogram) : threshold; }; return histogram; } -function threshold(values, p, valueof) { - if (valueof == null) valueof = number; +function max$3(values, valueof) { + let max; + if (valueof === undefined) { + for (const value of values) { + if (value != null + && (max < value || (max === undefined && value >= value))) { + max = value; + } + } + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null + && (max < value || (max === undefined && value >= value))) { + max = value; + } + } + } + return max; +} + +function min$2(values, valueof) { + let min; + if (valueof === undefined) { + for (const value of values) { + if (value != null + && (min > value || (min === undefined && value >= value))) { + min = value; + } + } + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null + && (min > value || (min === undefined && value >= value))) { + min = value; + } + } + } + return min; +} + +// Based on https://github.com/mourner/quickselect +// ISC license, Copyright 2018 Vladimir Agafonkin. +function quickselect(array, k, left = 0, right = array.length - 1, compare = ascending$3) { + while (right > left) { + if (right - left > 600) { + const n = right - left + 1; + const m = k - left + 1; + const z = Math.log(n); + const s = 0.5 * Math.exp(2 * z / 3); + const sd = 0.5 * Math.sqrt(z * s * (n - s) / n) * (m - n / 2 < 0 ? -1 : 1); + const newLeft = Math.max(left, Math.floor(k - m * s / n + sd)); + const newRight = Math.min(right, Math.floor(k + (n - m) * s / n + sd)); + quickselect(array, k, newLeft, newRight, compare); + } + + const t = array[k]; + let i = left; + let j = right; + + swap$1(array, left, k); + if (compare(array[right], t) > 0) swap$1(array, left, right); + + while (i < j) { + swap$1(array, i, j), ++i, --j; + while (compare(array[i], t) < 0) ++i; + while (compare(array[j], t) > 0) --j; + } + + if (compare(array[left], t) === 0) swap$1(array, left, j); + else ++j, swap$1(array, j, right); + + if (j <= k) left = j + 1; + if (k <= j) right = j - 1; + } + return array; +} + +function swap$1(array, i, j) { + const t = array[i]; + array[i] = array[j]; + array[j] = t; +} + +function quantile$1(values, p, valueof) { + values = Float64Array.from(numbers(values, valueof)); + if (!(n = values.length)) return; + if ((p = +p) <= 0 || n < 2) return min$2(values); + if (p >= 1) return max$3(values); + var n, + i = (n - 1) * p, + i0 = Math.floor(i), + value0 = max$3(quickselect(values, i0).subarray(0, i0 + 1)), + value1 = min$2(values.subarray(i0 + 1)); + return value0 + (value1 - value0) * (i - i0); +} + +function quantileSorted(values, p, valueof = number$3) { if (!(n = values.length)) return; if ((p = +p) <= 0 || n < 2) return +valueof(values[0], 0, values); if (p >= 1) return +valueof(values[n - 1], n - 1, values); @@ -327,219 +715,254 @@ function threshold(values, p, valueof) { } function freedmanDiaconis(values, min, max) { - values = map.call(values, number).sort(ascending); - return Math.ceil((max - min) / (2 * (threshold(values, 0.75) - threshold(values, 0.25)) * Math.pow(values.length, -1 / 3))); + return Math.ceil((max - min) / (2 * (quantile$1(values, 0.75) - quantile$1(values, 0.25)) * Math.pow(count$1(values), -1 / 3))); } function scott(values, min, max) { - return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3))); -} - -function max(values, valueof) { - var n = values.length, - i = -1, - value, - max; - - if (valueof == null) { - while (++i < n) { // Find the first comparable value. - if ((value = values[i]) != null && value >= value) { - max = value; - while (++i < n) { // Compare the remaining values. - if ((value = values[i]) != null && value > max) { - max = value; - } - } + return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(count$1(values), -1 / 3))); +} + +function maxIndex(values, valueof) { + let max; + let maxIndex = -1; + let index = -1; + if (valueof === undefined) { + for (const value of values) { + ++index; + if (value != null + && (max < value || (max === undefined && value >= value))) { + max = value, maxIndex = index; } } - } - - else { - while (++i < n) { // Find the first comparable value. - if ((value = valueof(values[i], i, values)) != null && value >= value) { - max = value; - while (++i < n) { // Compare the remaining values. - if ((value = valueof(values[i], i, values)) != null && value > max) { - max = value; - } - } + } else { + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null + && (max < value || (max === undefined && value >= value))) { + max = value, maxIndex = index; } } } - - return max; + return maxIndex; } function mean(values, valueof) { - var n = values.length, - m = n, - i = -1, - value, - sum = 0; - - if (valueof == null) { - while (++i < n) { - if (!isNaN(value = number(values[i]))) sum += value; - else --m; + let count = 0; + let sum = 0; + if (valueof === undefined) { + for (let value of values) { + if (value != null && (value = +value) >= value) { + ++count, sum += value; + } } - } - - else { - while (++i < n) { - if (!isNaN(value = number(valueof(values[i], i, values)))) sum += value; - else --m; + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) { + ++count, sum += value; + } } } - - if (m) return sum / m; + if (count) return sum / count; } function median(values, valueof) { - var n = values.length, - i = -1, - value, - numbers = []; + return quantile$1(values, 0.5, valueof); +} - if (valueof == null) { - while (++i < n) { - if (!isNaN(value = number(values[i]))) { - numbers.push(value); - } - } +function* flatten(arrays) { + for (const array of arrays) { + yield* array; } +} - else { - while (++i < n) { - if (!isNaN(value = number(valueof(values[i], i, values)))) { - numbers.push(value); +function merge(arrays) { + return Array.from(flatten(arrays)); +} + +function minIndex(values, valueof) { + let min; + let minIndex = -1; + let index = -1; + if (valueof === undefined) { + for (const value of values) { + ++index; + if (value != null + && (min > value || (min === undefined && value >= value))) { + min = value, minIndex = index; + } + } + } else { + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null + && (min > value || (min === undefined && value >= value))) { + min = value, minIndex = index; } } } - - return threshold(numbers.sort(ascending), 0.5); + return minIndex; } -function merge(arrays) { - var n = arrays.length, - m, - i = -1, - j = 0, - merged, - array; - - while (++i < n) j += arrays[i].length; - merged = new Array(j); - - while (--n >= 0) { - array = arrays[n]; - m = array.length; - while (--m >= 0) { - merged[--j] = array[m]; - } +function pairs(values, pairof = pair) { + const pairs = []; + let previous; + let first = false; + for (const value of values) { + if (first) pairs.push(pairof(previous, value)); + previous = value; + first = true; } + return pairs; +} - return merged; +function pair(a, b) { + return [a, b]; } -function min(values, valueof) { - var n = values.length, - i = -1, - value, - min; +function sequence(start, stop, step) { + start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; - if (valueof == null) { - while (++i < n) { // Find the first comparable value. - if ((value = values[i]) != null && value >= value) { - min = value; - while (++i < n) { // Compare the remaining values. - if ((value = values[i]) != null && min > value) { - min = value; - } - } - } - } + var i = -1, + n = Math.max(0, Math.ceil((stop - start) / step)) | 0, + range = new Array(n); + + while (++i < n) { + range[i] = start + i * step; } - else { - while (++i < n) { // Find the first comparable value. - if ((value = valueof(values[i], i, values)) != null && value >= value) { + return range; +} + +function least(values, compare = ascending$3) { + let min; + let defined = false; + if (compare.length === 1) { + let minValue; + for (const element of values) { + const value = compare(element); + if (defined + ? ascending$3(value, minValue) < 0 + : ascending$3(value, value) === 0) { + min = element; + minValue = value; + defined = true; + } + } + } else { + for (const value of values) { + if (defined + ? compare(value, min) < 0 + : compare(value, value) === 0) { min = value; - while (++i < n) { // Compare the remaining values. - if ((value = valueof(values[i], i, values)) != null && min > value) { - min = value; - } - } + defined = true; } } } - return min; } -function permute(array, indexes) { - var i = indexes.length, permutes = new Array(i); - while (i--) permutes[i] = array[indexes[i]]; - return permutes; +function leastIndex(values, compare = ascending$3) { + if (compare.length === 1) return minIndex(values, compare); + let minValue; + let min = -1; + let index = -1; + for (const value of values) { + ++index; + if (min < 0 + ? compare(value, value) === 0 + : compare(value, minValue) < 0) { + minValue = value; + min = index; + } + } + return min; } -function scan(values, compare) { - if (!(n = values.length)) return; - var n, - i = 0, - j = 0, - xi, - xj = values[j]; - - if (compare == null) compare = ascending; - - while (++i < n) { - if (compare(xi = values[i], xj) < 0 || compare(xj, xj) !== 0) { - xj = xi, j = i; +function greatest(values, compare = ascending$3) { + let max; + let defined = false; + if (compare.length === 1) { + let maxValue; + for (const element of values) { + const value = compare(element); + if (defined + ? ascending$3(value, maxValue) > 0 + : ascending$3(value, value) === 0) { + max = element; + maxValue = value; + defined = true; + } + } + } else { + for (const value of values) { + if (defined + ? compare(value, max) > 0 + : compare(value, value) === 0) { + max = value; + defined = true; + } } } - - if (compare(xj, xj) === 0) return j; + return max; } -function shuffle(array, i0, i1) { - var m = (i1 == null ? array.length : i1) - (i0 = i0 == null ? 0 : +i0), - t, - i; - - while (m) { - i = Math.random() * m-- | 0; - t = array[m + i0]; - array[m + i0] = array[i + i0]; - array[i + i0] = t; +function greatestIndex(values, compare = ascending$3) { + if (compare.length === 1) return maxIndex(values, compare); + let maxValue; + let max = -1; + let index = -1; + for (const value of values) { + ++index; + if (max < 0 + ? compare(value, value) === 0 + : compare(value, maxValue) > 0) { + maxValue = value; + max = index; + } } + return max; +} - return array; +function scan(values, compare) { + const index = leastIndex(values, compare); + return index < 0 ? undefined : index; } -function sum(values, valueof) { - var n = values.length, - i = -1, - value, - sum = 0; +var shuffle$1 = shuffler(Math.random); - if (valueof == null) { - while (++i < n) { - if (value = +values[i]) sum += value; // Note: zero and null are equivalent. +function shuffler(random) { + return function shuffle(array, i0 = 0, i1 = array.length) { + let m = i1 - (i0 = +i0); + while (m) { + const i = random() * m-- | 0, t = array[m + i0]; + array[m + i0] = array[i + i0]; + array[i + i0] = t; } - } + return array; + }; +} - else { - while (++i < n) { - if (value = +valueof(values[i], i, values)) sum += value; +function sum$1(values, valueof) { + let sum = 0; + if (valueof === undefined) { + for (let value of values) { + if (value = +value) { + sum += value; + } + } + } else { + let index = -1; + for (let value of values) { + if (value = +valueof(value, ++index, values)) { + sum += value; + } } } - return sum; } function transpose(matrix) { if (!(n = matrix.length)) return []; - for (var i = -1, m = min(matrix, length), transpose = new Array(m); ++i < m;) { + for (var i = -1, m = min$2(matrix, length$2), transpose = new Array(m); ++i < m;) { for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n;) { row[j] = matrix[j][i]; } @@ -547,7 +970,7 @@ function transpose(matrix) { return transpose; } -function length(d) { +function length$2(d) { return d.length; } @@ -555,9 +978,139 @@ function zip() { return transpose(arguments); } -var slice$1 = Array.prototype.slice; +function every(values, test) { + if (typeof test !== "function") throw new TypeError("test is not a function"); + let index = -1; + for (const value of values) { + if (!test(value, ++index, values)) { + return false; + } + } + return true; +} + +function some(values, test) { + if (typeof test !== "function") throw new TypeError("test is not a function"); + let index = -1; + for (const value of values) { + if (test(value, ++index, values)) { + return true; + } + } + return false; +} + +function filter$1(values, test) { + if (typeof test !== "function") throw new TypeError("test is not a function"); + const array = []; + let index = -1; + for (const value of values) { + if (test(value, ++index, values)) { + array.push(value); + } + } + return array; +} + +function map$1(values, mapper) { + if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable"); + if (typeof mapper !== "function") throw new TypeError("mapper is not a function"); + return Array.from(values, (value, index) => mapper(value, index, values)); +} + +function reduce(values, reducer, value) { + if (typeof reducer !== "function") throw new TypeError("reducer is not a function"); + const iterator = values[Symbol.iterator](); + let done, next, index = -1; + if (arguments.length < 3) { + ({done, value} = iterator.next()); + if (done) return; + ++index; + } + while (({done, value: next} = iterator.next()), !done) { + value = reducer(value, next, ++index, values); + } + return value; +} + +function reverse$1(values) { + if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable"); + return Array.from(values).reverse(); +} + +function difference(values, ...others) { + values = new Set(values); + for (const other of others) { + for (const value of other) { + values.delete(value); + } + } + return values; +} + +function disjoint(values, other) { + const iterator = other[Symbol.iterator](), set = new Set(); + for (const v of values) { + if (set.has(v)) return false; + let value, done; + while (({value, done} = iterator.next())) { + if (done) break; + if (Object.is(v, value)) return false; + set.add(value); + } + } + return true; +} + +function set$2(values) { + return values instanceof Set ? values : new Set(values); +} + +function intersection(values, ...others) { + values = new Set(values); + others = others.map(set$2); + out: for (const value of values) { + for (const other of others) { + if (!other.has(value)) { + values.delete(value); + continue out; + } + } + } + return values; +} + +function superset(values, other) { + const iterator = values[Symbol.iterator](), set = new Set(); + for (const o of other) { + if (set.has(o)) continue; + let value, done; + while (({value, done} = iterator.next())) { + if (done) return false; + set.add(value); + if (Object.is(o, value)) break; + } + } + return true; +} + +function subset(values, other) { + return superset(other, values); +} + +function union(...others) { + const set = new Set(); + for (const other of others) { + for (const o of other) { + set.add(o); + } + } + return set; +} + +var slice$3 = Array.prototype.slice; -function identity$1(x) { +function identity$8(x) { return x; } @@ -565,28 +1118,24 @@ var top = 1, right = 2, bottom = 3, left = 4, - epsilon = 1e-6; + epsilon$5 = 1e-6; function translateX(x) { - return "translate(" + (x + 0.5) + ",0)"; + return "translate(" + x + ",0)"; } function translateY(y) { - return "translate(0," + (y + 0.5) + ")"; + return "translate(0," + y + ")"; } -function number$1(scale) { - return function(d) { - return +scale(d); - }; +function number$2(scale) { + return d => +scale(d); } -function center(scale) { - var offset = Math.max(0, scale.bandwidth() - 1) / 2; // Adjust for 0.5px offset. +function center$1(scale, offset) { + offset = Math.max(0, scale.bandwidth() - offset * 2) / 2; if (scale.round()) offset = Math.round(offset); - return function(d) { - return +scale(d) + offset; - }; + return d => +scale(d) + offset; } function entering() { @@ -600,18 +1149,19 @@ function axis(orient, scale) { tickSizeInner = 6, tickSizeOuter = 6, tickPadding = 3, + offset = typeof window !== "undefined" && window.devicePixelRatio > 1 ? 0 : 0.5, k = orient === top || orient === left ? -1 : 1, x = orient === left || orient === right ? "x" : "y", transform = orient === top || orient === bottom ? translateX : translateY; function axis(context) { var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues, - format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$1) : tickFormat, + format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$8) : tickFormat, spacing = Math.max(tickSizeInner, 0) + tickPadding, range = scale.range(), - range0 = +range[0] + 0.5, - range1 = +range[range.length - 1] + 0.5, - position = (scale.bandwidth ? center : number$1)(scale.copy()), + range0 = +range[0] + offset, + range1 = +range[range.length - 1] + offset, + position = (scale.bandwidth ? center$1 : number$2)(scale.copy(), offset), selection = context.selection ? context.selection() : context, path = selection.selectAll(".domain").data([null]), tick = selection.selectAll(".tick").data(values, scale).order(), @@ -642,24 +1192,24 @@ function axis(orient, scale) { text = text.transition(context); tickExit = tickExit.transition(context) - .attr("opacity", epsilon) - .attr("transform", function(d) { return isFinite(d = position(d)) ? transform(d) : this.getAttribute("transform"); }); + .attr("opacity", epsilon$5) + .attr("transform", function(d) { return isFinite(d = position(d)) ? transform(d + offset) : this.getAttribute("transform"); }); tickEnter - .attr("opacity", epsilon) - .attr("transform", function(d) { var p = this.parentNode.__axis; return transform(p && isFinite(p = p(d)) ? p : position(d)); }); + .attr("opacity", epsilon$5) + .attr("transform", function(d) { var p = this.parentNode.__axis; return transform((p && isFinite(p = p(d)) ? p : position(d)) + offset); }); } tickExit.remove(); path - .attr("d", orient === left || orient == right - ? (tickSizeOuter ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter : "M0.5," + range0 + "V" + range1) - : (tickSizeOuter ? "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter : "M" + range0 + ",0.5H" + range1)); + .attr("d", orient === left || orient === right + ? (tickSizeOuter ? "M" + k * tickSizeOuter + "," + range0 + "H" + offset + "V" + range1 + "H" + k * tickSizeOuter : "M" + offset + "," + range0 + "V" + range1) + : (tickSizeOuter ? "M" + range0 + "," + k * tickSizeOuter + "V" + offset + "H" + range1 + "V" + k * tickSizeOuter : "M" + range0 + "," + offset + "H" + range1)); tick .attr("opacity", 1) - .attr("transform", function(d) { return transform(position(d)); }); + .attr("transform", function(d) { return transform(position(d) + offset); }); line .attr(x + "2", k * tickSizeInner); @@ -683,15 +1233,15 @@ function axis(orient, scale) { }; axis.ticks = function() { - return tickArguments = slice$1.call(arguments), axis; + return tickArguments = slice$3.call(arguments), axis; }; axis.tickArguments = function(_) { - return arguments.length ? (tickArguments = _ == null ? [] : slice$1.call(_), axis) : tickArguments.slice(); + return arguments.length ? (tickArguments = _ == null ? [] : slice$3.call(_), axis) : tickArguments.slice(); }; axis.tickValues = function(_) { - return arguments.length ? (tickValues = _ == null ? null : slice$1.call(_), axis) : tickValues && tickValues.slice(); + return arguments.length ? (tickValues = _ == null ? null : slice$3.call(_), axis) : tickValues && tickValues.slice(); }; axis.tickFormat = function(_) { @@ -714,6 +1264,10 @@ function axis(orient, scale) { return arguments.length ? (tickPadding = +_, axis) : tickPadding; }; + axis.offset = function(_) { + return arguments.length ? (offset = +_, axis) : offset; + }; + return axis; } @@ -733,7 +1287,7 @@ function axisLeft(scale) { return axis(left, scale); } -var noop = {value: function() {}}; +var noop$3 = {value: () => {}}; function dispatch() { for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { @@ -747,7 +1301,7 @@ function Dispatch(_) { this._ = _; } -function parseTypenames(typenames, types) { +function parseTypenames$1(typenames, types) { return typenames.trim().split(/^|\s+/).map(function(t) { var name = "", i = t.indexOf("."); if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); @@ -760,14 +1314,14 @@ Dispatch.prototype = dispatch.prototype = { constructor: Dispatch, on: function(typename, callback) { var _ = this._, - T = parseTypenames(typename + "", _), + T = parseTypenames$1(typename + "", _), t, i = -1, n = T.length; // If no callback was specified, return the callback of the given type and name. if (arguments.length < 2) { - while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t; + while (++i < n) if ((t = (typename = T[i]).type) && (t = get$1(_[t], typename.name))) return t; return; } @@ -775,8 +1329,8 @@ Dispatch.prototype = dispatch.prototype = { // Otherwise, if a null callback was specified, remove callbacks of the given name. if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback); while (++i < n) { - if (t = (typename = T[i]).type) _[t] = set(_[t], typename.name, callback); - else if (callback == null) for (t in _) _[t] = set(_[t], typename.name, null); + if (t = (typename = T[i]).type) _[t] = set$1(_[t], typename.name, callback); + else if (callback == null) for (t in _) _[t] = set$1(_[t], typename.name, null); } return this; @@ -797,7 +1351,7 @@ Dispatch.prototype = dispatch.prototype = { } }; -function get(type, name) { +function get$1(type, name) { for (var i = 0, n = type.length, c; i < n; ++i) { if ((c = type[i]).name === name) { return c.value; @@ -805,10 +1359,10 @@ function get(type, name) { } } -function set(type, name, callback) { +function set$1(type, name, callback) { for (var i = 0, n = type.length; i < n; ++i) { if (type[i].name === name) { - type[i] = noop, type = type.slice(0, i).concat(type.slice(i + 1)); + type[i] = noop$3, type = type.slice(0, i).concat(type.slice(i + 1)); break; } } @@ -829,7 +1383,7 @@ var namespaces = { function namespace(name) { var prefix = name += "", i = prefix.indexOf(":"); if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); - return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; + return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; // eslint-disable-line no-prototype-builtins } function creatorInherit(name) { @@ -855,10 +1409,10 @@ function creator(name) { : creatorInherit)(fullname); } -function none() {} +function none$2() {} function selector(selector) { - return selector == null ? none : function() { + return selector == null ? none$2 : function() { return this.querySelector(selector); }; } @@ -875,21 +1429,35 @@ function selection_select(select) { } } - return new Selection(subgroups, this._parents); + return new Selection$1(subgroups, this._parents); +} + +function array$4(x) { + return typeof x === "object" && "length" in x + ? x // Array, TypedArray, NodeList, array-like + : Array.from(x); // Map, Set, iterable, string, or anything else } -function empty() { +function empty$1() { return []; } function selectorAll(selector) { - return selector == null ? empty : function() { + return selector == null ? empty$1 : function() { return this.querySelectorAll(selector); }; } +function arrayAll(select) { + return function() { + var group = select.apply(this, arguments); + return group == null ? [] : array$4(group); + }; +} + function selection_selectAll(select) { - if (typeof select !== "function") select = selectorAll(select); + if (typeof select === "function") select = arrayAll(select); + else select = selectorAll(select); for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { @@ -900,7 +1468,7 @@ function selection_selectAll(select) { } } - return new Selection(subgroups, parents); + return new Selection$1(subgroups, parents); } function matcher(selector) { @@ -909,6 +1477,46 @@ function matcher(selector) { }; } +function childMatcher(selector) { + return function(node) { + return node.matches(selector); + }; +} + +var find$1 = Array.prototype.find; + +function childFind(match) { + return function() { + return find$1.call(this.children, match); + }; +} + +function childFirst() { + return this.firstElementChild; +} + +function selection_selectChild(match) { + return this.select(match == null ? childFirst + : childFind(typeof match === "function" ? match : childMatcher(match))); +} + +var filter = Array.prototype.filter; + +function children() { + return this.children; +} + +function childrenFilter(match) { + return function() { + return filter.call(this.children, match); + }; +} + +function selection_selectChildren(match) { + return this.selectAll(match == null ? children + : childrenFilter(typeof match === "function" ? match : childMatcher(match))); +} + function selection_filter(match) { if (typeof match !== "function") match = matcher(match); @@ -920,7 +1528,7 @@ function selection_filter(match) { } } - return new Selection(subgroups, this._parents); + return new Selection$1(subgroups, this._parents); } function sparse(update) { @@ -928,7 +1536,7 @@ function sparse(update) { } function selection_enter() { - return new Selection(this._enter || this._groups.map(sparse), this._parents); + return new Selection$1(this._enter || this._groups.map(sparse), this._parents); } function EnterNode(parent, datum) { @@ -947,14 +1555,12 @@ EnterNode.prototype = { querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } }; -function constant$1(x) { +function constant$a(x) { return function() { return x; }; } -var keyPrefix = "$"; // Protect against keys like “__proto__”. - function bindIndex(parent, group, enter, update, exit, data) { var i = 0, node, @@ -984,7 +1590,7 @@ function bindIndex(parent, group, enter, update, exit, data) { function bindKey(parent, group, enter, update, exit, data, key) { var i, node, - nodeByKeyValue = {}, + nodeByKeyValue = new Map, groupLength = group.length, dataLength = data.length, keyValues = new Array(groupLength), @@ -994,11 +1600,11 @@ function bindKey(parent, group, enter, update, exit, data, key) { // If multiple nodes have the same key, the duplicates are added to exit. for (i = 0; i < groupLength; ++i) { if (node = group[i]) { - keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group); - if (keyValue in nodeByKeyValue) { + keyValues[i] = keyValue = key.call(node, node.__data__, i, group) + ""; + if (nodeByKeyValue.has(keyValue)) { exit[i] = node; } else { - nodeByKeyValue[keyValue] = node; + nodeByKeyValue.set(keyValue, node); } } } @@ -1007,11 +1613,11 @@ function bindKey(parent, group, enter, update, exit, data, key) { // If there a node associated with this key, join and add it to update. // If there is not (or the key is a duplicate), add it to enter. for (i = 0; i < dataLength; ++i) { - keyValue = keyPrefix + key.call(parent, data[i], i, data); - if (node = nodeByKeyValue[keyValue]) { + keyValue = key.call(parent, data[i], i, data) + ""; + if (node = nodeByKeyValue.get(keyValue)) { update[i] = node; node.__data__ = data[i]; - nodeByKeyValue[keyValue] = null; + nodeByKeyValue.delete(keyValue); } else { enter[i] = new EnterNode(parent, data[i]); } @@ -1019,30 +1625,30 @@ function bindKey(parent, group, enter, update, exit, data, key) { // Add any remaining nodes that were not bound to data to exit. for (i = 0; i < groupLength; ++i) { - if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) { + if ((node = group[i]) && (nodeByKeyValue.get(keyValues[i]) === node)) { exit[i] = node; } } } +function datum(node) { + return node.__data__; +} + function selection_data(value, key) { - if (!value) { - data = new Array(this.size()), j = -1; - this.each(function(d) { data[++j] = d; }); - return data; - } + if (!arguments.length) return Array.from(this, datum); var bind = key ? bindKey : bindIndex, parents = this._parents, groups = this._groups; - if (typeof value !== "function") value = constant$1(value); + if (typeof value !== "function") value = constant$a(value); for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) { var parent = parents[j], group = groups[j], groupLength = group.length, - data = value.call(parent, parent && parent.__data__, j, parents), + data = array$4(value.call(parent, parent && parent.__data__, j, parents)), dataLength = data.length, enterGroup = enter[j] = new Array(dataLength), updateGroup = update[j] = new Array(dataLength), @@ -1062,14 +1668,14 @@ function selection_data(value, key) { } } - update = new Selection(update, parents); + update = new Selection$1(update, parents); update._enter = enter; update._exit = exit; return update; } function selection_exit() { - return new Selection(this._exit || this._groups.map(sparse), this._parents); + return new Selection$1(this._exit || this._groups.map(sparse), this._parents); } function selection_join(onenter, onupdate, onexit) { @@ -1081,6 +1687,7 @@ function selection_join(onenter, onupdate, onexit) { } function selection_merge(selection) { + if (!(selection instanceof Selection$1)) throw new Error("invalid merge"); for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { @@ -1094,7 +1701,7 @@ function selection_merge(selection) { merges[j] = groups0[j]; } - return new Selection(merges, this._parents); + return new Selection$1(merges, this._parents); } function selection_order() { @@ -1112,7 +1719,7 @@ function selection_order() { } function selection_sort(compare) { - if (!compare) compare = ascending$1; + if (!compare) compare = ascending$2; function compareNode(a, b) { return a && b ? compare(a.__data__, b.__data__) : !a - !b; @@ -1127,10 +1734,10 @@ function selection_sort(compare) { sortgroup.sort(compareNode); } - return new Selection(sortgroups, this._parents).order(); + return new Selection$1(sortgroups, this._parents).order(); } -function ascending$1(a, b) { +function ascending$2(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; } @@ -1142,9 +1749,7 @@ function selection_call() { } function selection_nodes() { - var nodes = new Array(this.size()), i = -1; - this.each(function() { nodes[++i] = this; }); - return nodes; + return Array.from(this); } function selection_node() { @@ -1160,8 +1765,8 @@ function selection_node() { } function selection_size() { - var size = 0; - this.each(function() { ++size; }); + let size = 0; + for (const node of this) ++size; // eslint-disable-line no-unused-vars return size; } @@ -1180,31 +1785,31 @@ function selection_each(callback) { return this; } -function attrRemove(name) { +function attrRemove$1(name) { return function() { this.removeAttribute(name); }; } -function attrRemoveNS(fullname) { +function attrRemoveNS$1(fullname) { return function() { this.removeAttributeNS(fullname.space, fullname.local); }; } -function attrConstant(name, value) { +function attrConstant$1(name, value) { return function() { this.setAttribute(name, value); }; } -function attrConstantNS(fullname, value) { +function attrConstantNS$1(fullname, value) { return function() { this.setAttributeNS(fullname.space, fullname.local, value); }; } -function attrFunction(name, value) { +function attrFunction$1(name, value) { return function() { var v = value.apply(this, arguments); if (v == null) this.removeAttribute(name); @@ -1212,7 +1817,7 @@ function attrFunction(name, value) { }; } -function attrFunctionNS(fullname, value) { +function attrFunctionNS$1(fullname, value) { return function() { var v = value.apply(this, arguments); if (v == null) this.removeAttributeNS(fullname.space, fullname.local); @@ -1231,9 +1836,9 @@ function selection_attr(name, value) { } return this.each((value == null - ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" - ? (fullname.local ? attrFunctionNS : attrFunction) - : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); + ? (fullname.local ? attrRemoveNS$1 : attrRemove$1) : (typeof value === "function" + ? (fullname.local ? attrFunctionNS$1 : attrFunction$1) + : (fullname.local ? attrConstantNS$1 : attrConstant$1)))(fullname, value)); } function defaultView(node) { @@ -1242,19 +1847,19 @@ function defaultView(node) { || node.defaultView; // node is a Document } -function styleRemove(name) { +function styleRemove$1(name) { return function() { this.style.removeProperty(name); }; } -function styleConstant(name, value, priority) { +function styleConstant$1(name, value, priority) { return function() { this.style.setProperty(name, value, priority); }; } -function styleFunction(name, value, priority) { +function styleFunction$1(name, value, priority) { return function() { var v = value.apply(this, arguments); if (v == null) this.style.removeProperty(name); @@ -1265,9 +1870,9 @@ function styleFunction(name, value, priority) { function selection_style(name, value, priority) { return arguments.length > 1 ? this.each((value == null - ? styleRemove : typeof value === "function" - ? styleFunction - : styleConstant)(name, value, priority == null ? "" : priority)) + ? styleRemove$1 : typeof value === "function" + ? styleFunction$1 + : styleConstant$1)(name, value, priority == null ? "" : priority)) : styleValue(this.node(), name); } @@ -1385,13 +1990,13 @@ function textRemove() { this.textContent = ""; } -function textConstant(value) { +function textConstant$1(value) { return function() { this.textContent = value; }; } -function textFunction(value) { +function textFunction$1(value) { return function() { var v = value.apply(this, arguments); this.textContent = v == null ? "" : v; @@ -1402,8 +2007,8 @@ function selection_text(value) { return arguments.length ? this.each(value == null ? textRemove : (typeof value === "function" - ? textFunction - : textConstant)(value)) + ? textFunction$1 + : textConstant$1)(value)) : this.node().textContent; } @@ -1497,40 +2102,13 @@ function selection_datum(value) { : this.node().__data__; } -var filterEvents = {}; - -exports.event = null; - -if (typeof document !== "undefined") { - var element = document.documentElement; - if (!("onmouseenter" in element)) { - filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; - } -} - -function filterContextListener(listener, index, group) { - listener = contextListener(listener, index, group); +function contextListener(listener) { return function(event) { - var related = event.relatedTarget; - if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { - listener.call(this, event); - } - }; -} - -function contextListener(listener, index, group) { - return function(event1) { - var event0 = exports.event; // Events can be reentrant (e.g., focus). - exports.event = event1; - try { - listener.call(this, this.__data__, index, group); - } finally { - exports.event = event0; - } + listener.call(this, event, this.__data__); }; } -function parseTypenames$1(typenames) { +function parseTypenames(typenames) { return typenames.trim().split(/^|\s+/).map(function(t) { var name = "", i = t.indexOf("."); if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); @@ -1544,7 +2122,7 @@ function onRemove(typename) { if (!on) return; for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); + this.removeEventListener(o.type, o.listener, o.options); } else { on[++i] = o; } @@ -1554,27 +2132,26 @@ function onRemove(typename) { }; } -function onAdd(typename, value, capture) { - var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; - return function(d, i, group) { - var on = this.__on, o, listener = wrap(value, i, group); +function onAdd(typename, value, options) { + return function() { + var on = this.__on, o, listener = contextListener(value); if (on) for (var j = 0, m = on.length; j < m; ++j) { if ((o = on[j]).type === typename.type && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); - this.addEventListener(o.type, o.listener = listener, o.capture = capture); + this.removeEventListener(o.type, o.listener, o.options); + this.addEventListener(o.type, o.listener = listener, o.options = options); o.value = value; return; } } - this.addEventListener(typename.type, listener, capture); - o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; + this.addEventListener(typename.type, listener, options); + o = {type: typename.type, name: typename.name, value: value, listener: listener, options: options}; if (!on) this.__on = [o]; else on.push(o); }; } -function selection_on(typename, value, capture) { - var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t; +function selection_on(typename, value, options) { + var typenames = parseTypenames(typename + ""), i, n = typenames.length, t; if (arguments.length < 2) { var on = this.node().__on; @@ -1589,22 +2166,10 @@ function selection_on(typename, value, capture) { } on = value ? onAdd : onRemove; - if (capture == null) capture = false; - for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); + for (i = 0; i < n; ++i) this.each(on(typenames[i], value, options)); return this; } -function customEvent(event1, listener, that, args) { - var event0 = exports.event; - event1.sourceEvent = exports.event; - exports.event = event1; - try { - return listener.apply(that, args); - } finally { - exports.event = event0; - } -} - function dispatchEvent(node, type, params) { var window = defaultView(node), event = window.CustomEvent; @@ -1638,27 +2203,42 @@ function selection_dispatch(type, params) { : dispatchConstant)(type, params)); } -var root = [null]; +function* selection_iterator() { + for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { + for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { + if (node = group[i]) yield node; + } + } +} + +var root$1 = [null]; -function Selection(groups, parents) { +function Selection$1(groups, parents) { this._groups = groups; this._parents = parents; } function selection() { - return new Selection([[document.documentElement]], root); + return new Selection$1([[document.documentElement]], root$1); } -Selection.prototype = selection.prototype = { - constructor: Selection, +function selection_selection() { + return this; +} + +Selection$1.prototype = selection.prototype = { + constructor: Selection$1, select: selection_select, selectAll: selection_selectAll, + selectChild: selection_selectChild, + selectChildren: selection_selectChildren, filter: selection_filter, data: selection_data, enter: selection_enter, exit: selection_exit, join: selection_join, merge: selection_merge, + selection: selection_selection, order: selection_order, sort: selection_sort, call: selection_call, @@ -1681,22 +2261,23 @@ Selection.prototype = selection.prototype = { clone: selection_clone, datum: selection_datum, on: selection_on, - dispatch: selection_dispatch + dispatch: selection_dispatch, + [Symbol.iterator]: selection_iterator }; function select(selector) { return typeof selector === "string" - ? new Selection([[document.querySelector(selector)]], [document.documentElement]) - : new Selection([[selector]], root); + ? new Selection$1([[document.querySelector(selector)]], [document.documentElement]) + : new Selection$1([[selector]], root$1); } -function create(name) { +function create$1(name) { return select(creator(name).call(document.documentElement)); } var nextId = 0; -function local() { +function local$1() { return new Local; } @@ -1704,7 +2285,7 @@ function Local() { this._ = "@" + (++nextId).toString(36); } -Local.prototype = local.prototype = { +Local.prototype = local$1.prototype = { constructor: Local, get: function(node) { var id = this._; @@ -1722,74 +2303,60 @@ Local.prototype = local.prototype = { } }; -function sourceEvent() { - var current = exports.event, source; - while (source = current.sourceEvent) current = source; - return current; +function sourceEvent(event) { + let sourceEvent; + while (sourceEvent = event.sourceEvent) event = sourceEvent; + return event; } -function point(node, event) { - var svg = node.ownerSVGElement || node; - - if (svg.createSVGPoint) { - var point = svg.createSVGPoint(); - point.x = event.clientX, point.y = event.clientY; - point = point.matrixTransform(node.getScreenCTM().inverse()); - return [point.x, point.y]; +function pointer(event, node) { + event = sourceEvent(event); + if (node === undefined) node = event.currentTarget; + if (node) { + var svg = node.ownerSVGElement || node; + if (svg.createSVGPoint) { + var point = svg.createSVGPoint(); + point.x = event.clientX, point.y = event.clientY; + point = point.matrixTransform(node.getScreenCTM().inverse()); + return [point.x, point.y]; + } + if (node.getBoundingClientRect) { + var rect = node.getBoundingClientRect(); + return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; + } } - - var rect = node.getBoundingClientRect(); - return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; + return [event.pageX, event.pageY]; } -function mouse(node) { - var event = sourceEvent(); - if (event.changedTouches) event = event.changedTouches[0]; - return point(node, event); +function pointers(events, node) { + if (events.target) { // i.e., instanceof Event, not TouchList or iterable + events = sourceEvent(events); + if (node === undefined) node = events.currentTarget; + events = events.touches || [events]; + } + return Array.from(events, event => pointer(event, node)); } function selectAll(selector) { return typeof selector === "string" - ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) - : new Selection([selector == null ? [] : selector], root); -} - -function touch(node, touches, identifier) { - if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; - - for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) { - if ((touch = touches[i]).identifier === identifier) { - return point(node, touch); - } - } - - return null; -} - -function touches(node, touches) { - if (touches == null) touches = sourceEvent().touches; - - for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) { - points[i] = point(node, touches[i]); - } - - return points; + ? new Selection$1([document.querySelectorAll(selector)], [document.documentElement]) + : new Selection$1([selector == null ? [] : array$4(selector)], root$1); } -function nopropagation() { - exports.event.stopImmediatePropagation(); +function nopropagation$2(event) { + event.stopImmediatePropagation(); } -function noevent() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); +function noevent$2(event) { + event.preventDefault(); + event.stopImmediatePropagation(); } function dragDisable(view) { var root = view.document.documentElement, - selection = select(view).on("dragstart.drag", noevent, true); + selection = select(view).on("dragstart.drag", noevent$2, true); if ("onselectstart" in root) { - selection.on("selectstart.drag", noevent, true); + selection.on("selectstart.drag", noevent$2, true); } else { root.__noselect = root.style.MozUserSelect; root.style.MozUserSelect = "none"; @@ -1800,7 +2367,7 @@ function yesdrag(view, noclick) { var root = view.document.documentElement, selection = select(view).on("dragstart.drag", null); if (noclick) { - selection.on("click.drag", noevent, true); + selection.on("click.drag", noevent$2, true); setTimeout(function() { selection.on("click.drag", null); }, 0); } if ("onselectstart" in root) { @@ -1811,23 +2378,30 @@ function yesdrag(view, noclick) { } } -function constant$2(x) { - return function() { - return x; - }; -} - -function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) { - this.target = target; - this.type = type; - this.subject = subject; - this.identifier = id; - this.active = active; - this.x = x; - this.y = y; - this.dx = dx; - this.dy = dy; - this._ = dispatch; +var constant$9 = x => () => x; + +function DragEvent(type, { + sourceEvent, + subject, + target, + identifier, + active, + x, y, dx, dy, + dispatch +}) { + Object.defineProperties(this, { + type: {value: type, enumerable: true, configurable: true}, + sourceEvent: {value: sourceEvent, enumerable: true, configurable: true}, + subject: {value: subject, enumerable: true, configurable: true}, + target: {value: target, enumerable: true, configurable: true}, + identifier: {value: identifier, enumerable: true, configurable: true}, + active: {value: active, enumerable: true, configurable: true}, + x: {value: x, enumerable: true, configurable: true}, + y: {value: y, enumerable: true, configurable: true}, + dx: {value: dx, enumerable: true, configurable: true}, + dy: {value: dy, enumerable: true, configurable: true}, + _: {value: dispatch} + }); } DragEvent.prototype.on = function() { @@ -1836,27 +2410,27 @@ DragEvent.prototype.on = function() { }; // Ignore right-click, since that should open the context menu. -function defaultFilter() { - return !exports.event.ctrlKey && !exports.event.button; +function defaultFilter$2(event) { + return !event.ctrlKey && !event.button; } function defaultContainer() { return this.parentNode; } -function defaultSubject(d) { - return d == null ? {x: exports.event.x, y: exports.event.y} : d; +function defaultSubject(event, d) { + return d == null ? {x: event.x, y: event.y} : d; } -function defaultTouchable() { +function defaultTouchable$2() { return navigator.maxTouchPoints || ("ontouchstart" in this); } function drag() { - var filter = defaultFilter, + var filter = defaultFilter$2, container = defaultContainer, subject = defaultSubject, - touchable = defaultTouchable, + touchable = defaultTouchable$2, gestures = {}, listeners = dispatch("start", "drag", "end"), active = 0, @@ -1877,111 +2451,136 @@ function drag() { .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); } - function mousedowned() { - if (touchending || !filter.apply(this, arguments)) return; - var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments); + function mousedowned(event, d) { + if (touchending || !filter.call(this, event, d)) return; + var gesture = beforestart(this, container.call(this, event, d), event, d, "mouse"); if (!gesture) return; - select(exports.event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); - dragDisable(exports.event.view); - nopropagation(); + select(event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); + dragDisable(event.view); + nopropagation$2(event); mousemoving = false; - mousedownx = exports.event.clientX; - mousedowny = exports.event.clientY; - gesture("start"); + mousedownx = event.clientX; + mousedowny = event.clientY; + gesture("start", event); } - function mousemoved() { - noevent(); + function mousemoved(event) { + noevent$2(event); if (!mousemoving) { - var dx = exports.event.clientX - mousedownx, dy = exports.event.clientY - mousedowny; + var dx = event.clientX - mousedownx, dy = event.clientY - mousedowny; mousemoving = dx * dx + dy * dy > clickDistance2; } - gestures.mouse("drag"); + gestures.mouse("drag", event); } - function mouseupped() { - select(exports.event.view).on("mousemove.drag mouseup.drag", null); - yesdrag(exports.event.view, mousemoving); - noevent(); - gestures.mouse("end"); + function mouseupped(event) { + select(event.view).on("mousemove.drag mouseup.drag", null); + yesdrag(event.view, mousemoving); + noevent$2(event); + gestures.mouse("end", event); } - function touchstarted() { - if (!filter.apply(this, arguments)) return; - var touches = exports.event.changedTouches, - c = container.apply(this, arguments), + function touchstarted(event, d) { + if (!filter.call(this, event, d)) return; + var touches = event.changedTouches, + c = container.call(this, event, d), n = touches.length, i, gesture; for (i = 0; i < n; ++i) { - if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) { - nopropagation(); - gesture("start"); + if (gesture = beforestart(this, c, event, d, touches[i].identifier, touches[i])) { + nopropagation$2(event); + gesture("start", event, touches[i]); } } } - function touchmoved() { - var touches = exports.event.changedTouches, + function touchmoved(event) { + var touches = event.changedTouches, n = touches.length, i, gesture; for (i = 0; i < n; ++i) { if (gesture = gestures[touches[i].identifier]) { - noevent(); - gesture("drag"); + noevent$2(event); + gesture("drag", event, touches[i]); } } } - function touchended() { - var touches = exports.event.changedTouches, + function touchended(event) { + var touches = event.changedTouches, n = touches.length, i, gesture; if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! for (i = 0; i < n; ++i) { if (gesture = gestures[touches[i].identifier]) { - nopropagation(); - gesture("end"); + nopropagation$2(event); + gesture("end", event, touches[i]); } } } - function beforestart(id, container, point, that, args) { - var p = point(container, id), s, dx, dy, - sublisteners = listeners.copy(); + function beforestart(that, container, event, d, identifier, touch) { + var dispatch = listeners.copy(), + p = pointer(touch || event, container), dx, dy, + s; - if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { - if ((exports.event.subject = s = subject.apply(that, args)) == null) return false; - dx = s.x - p[0] || 0; - dy = s.y - p[1] || 0; - return true; - })) return; + if ((s = subject.call(that, new DragEvent("beforestart", { + sourceEvent: event, + target: drag, + identifier, + active, + x: p[0], + y: p[1], + dx: 0, + dy: 0, + dispatch + }), d)) == null) return; - return function gesture(type) { + dx = s.x - p[0] || 0; + dy = s.y - p[1] || 0; + + return function gesture(type, event, touch) { var p0 = p, n; switch (type) { - case "start": gestures[id] = gesture, n = active++; break; - case "end": delete gestures[id], --active; // nobreak - case "drag": p = point(container, id), n = active; break; + case "start": gestures[identifier] = gesture, n = active++; break; + case "end": delete gestures[identifier], --active; // nobreak + case "drag": p = pointer(touch || event, container), n = active; break; } - customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); + dispatch.call( + type, + that, + new DragEvent(type, { + sourceEvent: event, + subject: s, + target: drag, + identifier, + active: n, + x: p[0] + dx, + y: p[1] + dy, + dx: p[0] - p0[0], + dy: p[1] - p0[1], + dispatch + }), + d + ); }; } drag.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$2(!!_), drag) : filter; + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$9(!!_), drag) : filter; }; drag.container = function(_) { - return arguments.length ? (container = typeof _ === "function" ? _ : constant$2(_), drag) : container; + return arguments.length ? (container = typeof _ === "function" ? _ : constant$9(_), drag) : container; }; drag.subject = function(_) { - return arguments.length ? (subject = typeof _ === "function" ? _ : constant$2(_), drag) : subject; + return arguments.length ? (subject = typeof _ === "function" ? _ : constant$9(_), drag) : subject; }; drag.touchable = function(_) { - return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$2(!!_), drag) : touchable; + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$9(!!_), drag) : touchable; }; drag.on = function() { @@ -2321,7 +2920,7 @@ function hslConvert(o) { return new Hsl(h, s, l, o.opacity); } -function hsl(h, s, l, opacity) { +function hsl$2(h, s, l, opacity) { return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity); } @@ -2332,7 +2931,7 @@ function Hsl(h, s, l, opacity) { this.opacity = +opacity; } -define(Hsl, hsl, extend(Color, { +define(Hsl, hsl$2, extend(Color, { brighter: function(k) { k = k == null ? brighter : Math.pow(brighter, k); return new Hsl(this.h, this.s, this.l * k, this.opacity); @@ -2377,18 +2976,18 @@ function hsl2rgb(h, m1, m2) { : m1) * 255; } -var deg2rad = Math.PI / 180; -var rad2deg = 180 / Math.PI; +const radians$1 = Math.PI / 180; +const degrees$2 = 180 / Math.PI; // https://observablehq.com/@mbostock/lab-and-rgb -var K = 18, +const K = 18, Xn = 0.96422, Yn = 1, Zn = 0.82521, - t0 = 4 / 29, - t1 = 6 / 29, - t2 = 3 * t1 * t1, - t3 = t1 * t1 * t1; + t0$1 = 4 / 29, + t1$1 = 6 / 29, + t2 = 3 * t1$1 * t1$1, + t3 = t1$1 * t1$1 * t1$1; function labConvert(o) { if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); @@ -2409,7 +3008,7 @@ function gray(l, opacity) { return new Lab(l, 0, 0, opacity == null ? 1 : opacity); } -function lab(l, a, b, opacity) { +function lab$1(l, a, b, opacity) { return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity); } @@ -2420,7 +3019,7 @@ function Lab(l, a, b, opacity) { this.opacity = +opacity; } -define(Lab, lab, extend(Color, { +define(Lab, lab$1, extend(Color, { brighter: function(k) { return new Lab(this.l + K * (k == null ? 1 : k), this.a, this.b, this.opacity); }, @@ -2444,11 +3043,11 @@ define(Lab, lab, extend(Color, { })); function xyz2lab(t) { - return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0; + return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0$1; } function lab2xyz(t) { - return t > t1 ? t * t * t : t2 * (t - t0); + return t > t1$1 ? t * t * t : t2 * (t - t0$1); } function lrgb2rgb(x) { @@ -2463,7 +3062,7 @@ function hclConvert(o) { if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); if (!(o instanceof Lab)) o = labConvert(o); if (o.a === 0 && o.b === 0) return new Hcl(NaN, 0 < o.l && o.l < 100 ? 0 : NaN, o.l, o.opacity); - var h = Math.atan2(o.b, o.a) * rad2deg; + var h = Math.atan2(o.b, o.a) * degrees$2; return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); } @@ -2471,7 +3070,7 @@ function lch(l, c, h, opacity) { return arguments.length === 1 ? hclConvert(l) : new Hcl(h, c, l, opacity == null ? 1 : opacity); } -function hcl(h, c, l, opacity) { +function hcl$2(h, c, l, opacity) { return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity); } @@ -2484,11 +3083,11 @@ function Hcl(h, c, l, opacity) { function hcl2lab(o) { if (isNaN(o.h)) return new Lab(o.l, 0, 0, o.opacity); - var h = o.h * deg2rad; + var h = o.h * radians$1; return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); } -define(Hcl, hcl, extend(Color, { +define(Hcl, hcl$2, extend(Color, { brighter: function(k) { return new Hcl(this.h, this.c, this.l + K * (k == null ? 1 : k), this.opacity); }, @@ -2519,11 +3118,11 @@ function cubehelixConvert(o) { bl = b - l, k = (E * (g - l) - C * bl) / D, s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1 - h = s ? Math.atan2(k, bl) * rad2deg - 120 : NaN; + h = s ? Math.atan2(k, bl) * degrees$2 - 120 : NaN; return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity); } -function cubehelix(h, s, l, opacity) { +function cubehelix$3(h, s, l, opacity) { return arguments.length === 1 ? cubehelixConvert(h) : new Cubehelix(h, s, l, opacity == null ? 1 : opacity); } @@ -2534,7 +3133,7 @@ function Cubehelix(h, s, l, opacity) { this.opacity = +opacity; } -define(Cubehelix, cubehelix, extend(Color, { +define(Cubehelix, cubehelix$3, extend(Color, { brighter: function(k) { k = k == null ? brighter : Math.pow(brighter, k); return new Cubehelix(this.h, this.s, this.l * k, this.opacity); @@ -2544,7 +3143,7 @@ define(Cubehelix, cubehelix, extend(Color, { return new Cubehelix(this.h, this.s, this.l * k, this.opacity); }, rgb: function() { - var h = isNaN(this.h) ? 0 : (this.h + 120) * deg2rad, + var h = isNaN(this.h) ? 0 : (this.h + 120) * radians$1, l = +this.l, a = isNaN(this.s) ? 0 : this.s * l * (1 - l), cosh = Math.cos(h), @@ -2558,7 +3157,7 @@ define(Cubehelix, cubehelix, extend(Color, { } })); -function basis(t1, v0, v1, v2, v3) { +function basis$1(t1, v0, v1, v2, v3) { var t2 = t1 * t1, t3 = t2 * t1; return ((1 - 3 * t1 + 3 * t2 - t3) * v0 + (4 - 6 * t2 + 3 * t3) * v1 @@ -2566,7 +3165,7 @@ function basis(t1, v0, v1, v2, v3) { + t3 * v3) / 6; } -function basis$1(values) { +function basis$2(values) { var n = values.length - 1; return function(t) { var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n), @@ -2574,11 +3173,11 @@ function basis$1(values) { v2 = values[i + 1], v0 = i > 0 ? values[i - 1] : 2 * v1 - v2, v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; - return basis((t - i / n) * n, v0, v1, v2, v3); + return basis$1((t - i / n) * n, v0, v1, v2, v3); }; } -function basisClosed(values) { +function basisClosed$1(values) { var n = values.length; return function(t) { var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n), @@ -2586,46 +3185,42 @@ function basisClosed(values) { v1 = values[i % n], v2 = values[(i + 1) % n], v3 = values[(i + 2) % n]; - return basis((t - i / n) * n, v0, v1, v2, v3); + return basis$1((t - i / n) * n, v0, v1, v2, v3); }; } -function constant$3(x) { - return function() { - return x; - }; -} +var constant$8 = x => () => x; -function linear(a, d) { +function linear$2(a, d) { return function(t) { return a + t * d; }; } -function exponential(a, b, y) { +function exponential$1(a, b, y) { return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) { return Math.pow(a + t * b, y); }; } -function hue(a, b) { +function hue$1(a, b) { var d = b - a; - return d ? linear(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$3(isNaN(a) ? b : a); + return d ? linear$2(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$8(isNaN(a) ? b : a); } -function gamma(y) { +function gamma$1(y) { return (y = +y) === 1 ? nogamma : function(a, b) { - return b - a ? exponential(a, b, y) : constant$3(isNaN(a) ? b : a); + return b - a ? exponential$1(a, b, y) : constant$8(isNaN(a) ? b : a); }; } function nogamma(a, b) { var d = b - a; - return d ? linear(a, d) : constant$3(isNaN(a) ? b : a); + return d ? linear$2(a, d) : constant$8(isNaN(a) ? b : a); } var interpolateRgb = (function rgbGamma(y) { - var color = gamma(y); + var color = gamma$1(y); function rgb$1(start, end) { var r = color((start = rgb(start)).r, (end = rgb(end)).r), @@ -2672,8 +3267,8 @@ function rgbSpline(spline) { }; } -var rgbBasis = rgbSpline(basis$1); -var rgbBasisClosed = rgbSpline(basisClosed); +var rgbBasis = rgbSpline(basis$2); +var rgbBasisClosed = rgbSpline(basisClosed$1); function numberArray(a, b) { if (!b) b = []; @@ -2690,7 +3285,7 @@ function isNumberArray(x) { return ArrayBuffer.isView(x) && !(x instanceof DataView); } -function array$1(a, b) { +function array$3(a, b) { return (isNumberArray(b) ? numberArray : genericArray)(a, b); } @@ -2701,7 +3296,7 @@ function genericArray(a, b) { c = new Array(nb), i; - for (i = 0; i < na; ++i) x[i] = interpolateValue(a[i], b[i]); + for (i = 0; i < na; ++i) x[i] = interpolate$2(a[i], b[i]); for (; i < nb; ++i) c[i] = b[i]; return function(t) { @@ -2710,7 +3305,7 @@ function genericArray(a, b) { }; } -function date(a, b) { +function date$1(a, b) { var d = new Date; return a = +a, b = +b, function(t) { return d.setTime(a * (1 - t) + b * t), d; @@ -2723,7 +3318,7 @@ function interpolateNumber(a, b) { }; } -function object(a, b) { +function object$1(a, b) { var i = {}, c = {}, k; @@ -2733,7 +3328,7 @@ function object(a, b) { for (k in b) { if (k in a) { - i[k] = interpolateValue(a[k], b[k]); + i[k] = interpolate$2(a[k], b[k]); } else { c[k] = b[k]; } @@ -2808,16 +3403,16 @@ function interpolateString(a, b) { }); } -function interpolateValue(a, b) { +function interpolate$2(a, b) { var t = typeof b, c; - return b == null || t === "boolean" ? constant$3(b) + return b == null || t === "boolean" ? constant$8(b) : (t === "number" ? interpolateNumber : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) : b instanceof color ? interpolateRgb - : b instanceof Date ? date + : b instanceof Date ? date$1 : isNumberArray(b) ? numberArray : Array.isArray(b) ? genericArray - : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object + : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object$1 : interpolateNumber)(a, b); } @@ -2828,8 +3423,8 @@ function discrete(range) { }; } -function hue$1(a, b) { - var i = hue(+a, +b); +function hue(a, b) { + var i = hue$1(+a, +b); return function(t) { var x = i(t); return x - 360 * Math.floor(x / 360); @@ -2842,9 +3437,9 @@ function interpolateRound(a, b) { }; } -var degrees = 180 / Math.PI; +var degrees$1 = 180 / Math.PI; -var identity$2 = { +var identity$7 = { translateX: 0, translateY: 0, rotate: 0, @@ -2862,33 +3457,26 @@ function decompose(a, b, c, d, e, f) { return { translateX: e, translateY: f, - rotate: Math.atan2(b, a) * degrees, - skewX: Math.atan(skewX) * degrees, + rotate: Math.atan2(b, a) * degrees$1, + skewX: Math.atan(skewX) * degrees$1, scaleX: scaleX, scaleY: scaleY }; } -var cssNode, - cssRoot, - cssView, - svgNode; +var svgNode; +/* eslint-disable no-undef */ function parseCss(value) { - if (value === "none") return identity$2; - if (!cssNode) cssNode = document.createElement("DIV"), cssRoot = document.documentElement, cssView = document.defaultView; - cssNode.style.transform = value; - value = cssView.getComputedStyle(cssRoot.appendChild(cssNode), null).getPropertyValue("transform"); - cssRoot.removeChild(cssNode); - value = value.slice(7, -1).split(","); - return decompose(+value[0], +value[1], +value[2], +value[3], +value[4], +value[5]); + const m = new (typeof DOMMatrix === "function" ? DOMMatrix : WebKitCSSMatrix)(value + ""); + return m.isIdentity ? identity$7 : decompose(m.a, m.b, m.c, m.d, m.e, m.f); } function parseSvg(value) { - if (value == null) return identity$2; + if (value == null) return identity$7; if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g"); svgNode.setAttribute("transform", value); - if (!(value = svgNode.transform.baseVal.consolidate())) return identity$2; + if (!(value = svgNode.transform.baseVal.consolidate())) return identity$7; value = value.matrix; return decompose(value.a, value.b, value.c, value.d, value.e, value.f); } @@ -2954,10 +3542,7 @@ function interpolateTransform(parse, pxComma, pxParen, degParen) { var interpolateTransformCss = interpolateTransform(parseCss, "px, ", "px)", "deg)"); var interpolateTransformSvg = interpolateTransform(parseSvg, ", ", ")", ")"); -var rho = Math.SQRT2, - rho2 = 2, - rho4 = 4, - epsilon2 = 1e-12; +var epsilon2$1 = 1e-12; function cosh(x) { return ((x = Math.exp(x)) + 1 / x) / 2; @@ -2971,57 +3556,67 @@ function tanh(x) { return ((x = Math.exp(2 * x)) - 1) / (x + 1); } -// p0 = [ux0, uy0, w0] -// p1 = [ux1, uy1, w1] -function interpolateZoom(p0, p1) { - var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], - ux1 = p1[0], uy1 = p1[1], w1 = p1[2], - dx = ux1 - ux0, - dy = uy1 - uy0, - d2 = dx * dx + dy * dy, - i, - S; - - // Special case for u0 ≅ u1. - if (d2 < epsilon2) { - S = Math.log(w1 / w0) / rho; - i = function(t) { - return [ - ux0 + t * dx, - uy0 + t * dy, - w0 * Math.exp(rho * t * S) - ]; - }; - } +var interpolateZoom = (function zoomRho(rho, rho2, rho4) { - // General case. - else { - var d1 = Math.sqrt(d2), - b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), - b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), - r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), - r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); - S = (r1 - r0) / rho; - i = function(t) { - var s = t * S, - coshr0 = cosh(r0), - u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0)); - return [ - ux0 + u * dx, - uy0 + u * dy, - w0 * coshr0 / cosh(rho * s + r0) - ]; - }; - } + // p0 = [ux0, uy0, w0] + // p1 = [ux1, uy1, w1] + function zoom(p0, p1) { + var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], + ux1 = p1[0], uy1 = p1[1], w1 = p1[2], + dx = ux1 - ux0, + dy = uy1 - uy0, + d2 = dx * dx + dy * dy, + i, + S; + + // Special case for u0 ≅ u1. + if (d2 < epsilon2$1) { + S = Math.log(w1 / w0) / rho; + i = function(t) { + return [ + ux0 + t * dx, + uy0 + t * dy, + w0 * Math.exp(rho * t * S) + ]; + }; + } - i.duration = S * 1000; + // General case. + else { + var d1 = Math.sqrt(d2), + b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), + b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), + r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), + r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); + S = (r1 - r0) / rho; + i = function(t) { + var s = t * S, + coshr0 = cosh(r0), + u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0)); + return [ + ux0 + u * dx, + uy0 + u * dy, + w0 * coshr0 / cosh(rho * s + r0) + ]; + }; + } - return i; -} + i.duration = S * 1000 * rho / Math.SQRT2; -function hsl$1(hue) { + return i; + } + + zoom.rho = function(_) { + var _1 = Math.max(1e-3, +_), _2 = _1 * _1, _4 = _2 * _2; + return zoomRho(_1, _2, _4); + }; + + return zoom; +})(Math.SQRT2, 2, 4); + +function hsl(hue) { return function(start, end) { - var h = hue((start = hsl(start)).h, (end = hsl(end)).h), + var h = hue((start = hsl$2(start)).h, (end = hsl$2(end)).h), s = nogamma(start.s, end.s), l = nogamma(start.l, end.l), opacity = nogamma(start.opacity, end.opacity); @@ -3035,11 +3630,11 @@ function hsl$1(hue) { } } -var hsl$2 = hsl$1(hue); -var hslLong = hsl$1(nogamma); +var hsl$1 = hsl(hue$1); +var hslLong = hsl(nogamma); -function lab$1(start, end) { - var l = nogamma((start = lab(start)).l, (end = lab(end)).l), +function lab(start, end) { + var l = nogamma((start = lab$1(start)).l, (end = lab$1(end)).l), a = nogamma(start.a, end.a), b = nogamma(start.b, end.b), opacity = nogamma(start.opacity, end.opacity); @@ -3052,9 +3647,9 @@ function lab$1(start, end) { }; } -function hcl$1(hue) { +function hcl(hue) { return function(start, end) { - var h = hue((start = hcl(start)).h, (end = hcl(end)).h), + var h = hue((start = hcl$2(start)).h, (end = hcl$2(end)).h), c = nogamma(start.c, end.c), l = nogamma(start.l, end.l), opacity = nogamma(start.opacity, end.opacity); @@ -3068,15 +3663,15 @@ function hcl$1(hue) { } } -var hcl$2 = hcl$1(hue); -var hclLong = hcl$1(nogamma); +var hcl$1 = hcl(hue$1); +var hclLong = hcl(nogamma); function cubehelix$1(hue) { return (function cubehelixGamma(y) { y = +y; - function cubehelix$1(start, end) { - var h = hue((start = cubehelix(start)).h, (end = cubehelix(end)).h), + function cubehelix(start, end) { + var h = hue((start = cubehelix$3(start)).h, (end = cubehelix$3(end)).h), s = nogamma(start.s, end.s), l = nogamma(start.l, end.l), opacity = nogamma(start.opacity, end.opacity); @@ -3089,16 +3684,17 @@ function cubehelix$1(hue) { }; } - cubehelix$1.gamma = cubehelixGamma; + cubehelix.gamma = cubehelixGamma; - return cubehelix$1; + return cubehelix; })(1); } -var cubehelix$2 = cubehelix$1(hue); +var cubehelix$2 = cubehelix$1(hue$1); var cubehelixLong = cubehelix$1(nogamma); function piecewise(interpolate, values) { + if (values === undefined) values = interpolate, interpolate = interpolate$2; var i = 0, n = values.length - 1, v = values[0], I = new Array(n < 0 ? 0 : n); while (i < n) I[i] = interpolate(v, v = values[++i]); return function(t) { @@ -3107,15 +3703,15 @@ function piecewise(interpolate, values) { }; } -function quantize(interpolator, n) { +function quantize$1(interpolator, n) { var samples = new Array(n); for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); return samples; } var frame = 0, // is an animation frame pending? - timeout = 0, // is a timeout pending? - interval = 0, // are any timers active? + timeout$1 = 0, // is a timeout pending? + interval$1 = 0, // are any timers active? pokeDelay = 1000, // how frequently we check for clock skew taskHead, taskTail, @@ -3181,7 +3777,7 @@ function timerFlush() { function wake() { clockNow = (clockLast = clock.now()) + clockSkew; - frame = timeout = 0; + frame = timeout$1 = 0; try { timerFlush(); } finally { @@ -3213,36 +3809,40 @@ function nap() { function sleep(time) { if (frame) return; // Soonest alarm already set, or will be. - if (timeout) timeout = clearTimeout(timeout); + if (timeout$1) timeout$1 = clearTimeout(timeout$1); var delay = time - clockNow; // Strictly less than if we recomputed clockNow. if (delay > 24) { - if (time < Infinity) timeout = setTimeout(wake, time - clock.now() - clockSkew); - if (interval) interval = clearInterval(interval); + if (time < Infinity) timeout$1 = setTimeout(wake, time - clock.now() - clockSkew); + if (interval$1) interval$1 = clearInterval(interval$1); } else { - if (!interval) clockLast = clock.now(), interval = setInterval(poke, pokeDelay); + if (!interval$1) clockLast = clock.now(), interval$1 = setInterval(poke, pokeDelay); frame = 1, setFrame(wake); } } -function timeout$1(callback, delay, time) { +function timeout(callback, delay, time) { var t = new Timer; delay = delay == null ? 0 : +delay; - t.restart(function(elapsed) { + t.restart(elapsed => { t.stop(); callback(elapsed + delay); }, delay, time); return t; } -function interval$1(callback, delay, time) { +function interval(callback, delay, time) { var t = new Timer, total = delay; if (delay == null) return t.restart(callback, delay, time), t; - delay = +delay, time = time == null ? now() : +time; - t.restart(function tick(elapsed) { - elapsed += total; - t.restart(tick, total += delay, time); - callback(elapsed); - }, delay, time); + t._restart = t.restart; + t.restart = function(callback, delay, time) { + delay = +delay, time = time == null ? now() : +time; + t._restart(function tick(elapsed) { + elapsed += total; + t._restart(tick, total += delay, time); + callback(elapsed); + }, delay, time); + }; + t.restart(callback, delay, time); return t; } @@ -3261,7 +3861,7 @@ function schedule(node, name, id, index, group, timing) { var schedules = node.__transition; if (!schedules) node.__transition = {}; else if (id in schedules) return; - create$1(node, id, { + create(node, id, { name: name, index: index, // For context during callback. group: group, // For context during callback. @@ -3277,24 +3877,24 @@ function schedule(node, name, id, index, group, timing) { } function init(node, id) { - var schedule = get$1(node, id); + var schedule = get(node, id); if (schedule.state > CREATED) throw new Error("too late; already scheduled"); return schedule; } -function set$1(node, id) { - var schedule = get$1(node, id); +function set(node, id) { + var schedule = get(node, id); if (schedule.state > STARTED) throw new Error("too late; already running"); return schedule; } -function get$1(node, id) { +function get(node, id) { var schedule = node.__transition; if (!schedule || !(schedule = schedule[id])) throw new Error("transition not found"); return schedule; } -function create$1(node, id, self) { +function create(node, id, self) { var schedules = node.__transition, tween; @@ -3324,7 +3924,7 @@ function create$1(node, id, self) { // While this element already has a starting transition during this frame, // defer starting an interrupting transition until that transition has a // chance to tick (and possibly end); see d3/d3-transition#54! - if (o.state === STARTED) return timeout$1(start); + if (o.state === STARTED) return timeout(start); // Interrupt the active transition, if any. if (o.state === RUNNING) { @@ -3347,7 +3947,7 @@ function create$1(node, id, self) { // Note the transition may be canceled after start and before the first tick! // Note this must be scheduled before the start event; see d3/d3-transition#16! // Assuming this is successful, subsequent callbacks go straight to tick. - timeout$1(function() { + timeout(function() { if (self.state === STARTED) { self.state = RUNNING; self.timer.restart(tick, self.delay, self.time); @@ -3429,7 +4029,7 @@ function selection_interrupt(name) { function tweenRemove(id, name) { var tween0, tween1; return function() { - var schedule = set$1(this, id), + var schedule = set(this, id), tween = schedule.tween; // If this node shared tween with the previous node, @@ -3454,7 +4054,7 @@ function tweenFunction(id, name, value) { var tween0, tween1; if (typeof value !== "function") throw new Error; return function() { - var schedule = set$1(this, id), + var schedule = set(this, id), tween = schedule.tween; // If this node shared tween with the previous node, @@ -3481,7 +4081,7 @@ function transition_tween(name, value) { name += ""; if (arguments.length < 2) { - var tween = get$1(this.node(), id).tween; + var tween = get(this.node(), id).tween; for (var i = 0, n = tween.length, t; i < n; ++i) { if ((t = tween[i]).name === name) { return t.value; @@ -3497,16 +4097,16 @@ function tweenValue(transition, name, value) { var id = transition._id; transition.each(function() { - var schedule = set$1(this, id); + var schedule = set(this, id); (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); }); return function(node) { - return get$1(node, id).value[name]; + return get(node, id).value[name]; }; } -function interpolate(a, b) { +function interpolate$1(a, b) { var c; return (typeof b === "number" ? interpolateNumber : b instanceof color ? interpolateRgb @@ -3514,19 +4114,19 @@ function interpolate(a, b) { : interpolateString)(a, b); } -function attrRemove$1(name) { +function attrRemove(name) { return function() { this.removeAttribute(name); }; } -function attrRemoveNS$1(fullname) { +function attrRemoveNS(fullname) { return function() { this.removeAttributeNS(fullname.space, fullname.local); }; } -function attrConstant$1(name, interpolate, value1) { +function attrConstant(name, interpolate, value1) { var string00, string1 = value1 + "", interpolate0; @@ -3538,7 +4138,7 @@ function attrConstant$1(name, interpolate, value1) { }; } -function attrConstantNS$1(fullname, interpolate, value1) { +function attrConstantNS(fullname, interpolate, value1) { var string00, string1 = value1 + "", interpolate0; @@ -3550,7 +4150,7 @@ function attrConstantNS$1(fullname, interpolate, value1) { }; } -function attrFunction$1(name, interpolate, value) { +function attrFunction(name, interpolate, value) { var string00, string10, interpolate0; @@ -3565,7 +4165,7 @@ function attrFunction$1(name, interpolate, value) { }; } -function attrFunctionNS$1(fullname, interpolate, value) { +function attrFunctionNS(fullname, interpolate, value) { var string00, string10, interpolate0; @@ -3581,11 +4181,11 @@ function attrFunctionNS$1(fullname, interpolate, value) { } function transition_attr(name, value) { - var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate; + var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate$1; return this.attrTween(name, typeof value === "function" - ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) - : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) - : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); + ? (fullname.local ? attrFunctionNS : attrFunction)(fullname, i, tweenValue(this, "attr." + name, value)) + : value == null ? (fullname.local ? attrRemoveNS : attrRemove)(fullname) + : (fullname.local ? attrConstantNS : attrConstant)(fullname, i, value)); } function attrInterpolate(name, i) { @@ -3650,18 +4250,18 @@ function transition_delay(value) { ? this.each((typeof value === "function" ? delayFunction : delayConstant)(id, value)) - : get$1(this.node(), id).delay; + : get(this.node(), id).delay; } function durationFunction(id, value) { return function() { - set$1(this, id).duration = +value.apply(this, arguments); + set(this, id).duration = +value.apply(this, arguments); }; } function durationConstant(id, value) { return value = +value, function() { - set$1(this, id).duration = value; + set(this, id).duration = value; }; } @@ -3672,13 +4272,13 @@ function transition_duration(value) { ? this.each((typeof value === "function" ? durationFunction : durationConstant)(id, value)) - : get$1(this.node(), id).duration; + : get(this.node(), id).duration; } function easeConstant(id, value) { if (typeof value !== "function") throw new Error; return function() { - set$1(this, id).ease = value; + set(this, id).ease = value; }; } @@ -3687,7 +4287,20 @@ function transition_ease(value) { return arguments.length ? this.each(easeConstant(id, value)) - : get$1(this.node(), id).ease; + : get(this.node(), id).ease; +} + +function easeVarying(id, value) { + return function() { + var v = value.apply(this, arguments); + if (typeof v !== "function") throw new Error; + set(this, id).ease = v; + }; +} + +function transition_easeVarying(value) { + if (typeof value !== "function") throw new Error; + return this.each(easeVarying(this._id, value)); } function transition_filter(match) { @@ -3731,7 +4344,7 @@ function start(name) { } function onFunction(id, name, listener) { - var on0, on1, sit = start(name) ? init : set$1; + var on0, on1, sit = start(name) ? init : set; return function() { var schedule = sit(this, id), on = schedule.on; @@ -3749,7 +4362,7 @@ function transition_on(name, listener) { var id = this._id; return arguments.length < 2 - ? get$1(this.node(), id).on.on(name) + ? get(this.node(), id).on.on(name) : this.each(onFunction(id, name, listener)); } @@ -3776,7 +4389,7 @@ function transition_select(select) { if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { if ("__data__" in node) subnode.__data__ = node.__data__; subgroup[i] = subnode; - schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); + schedule(subgroup[i], name, id, i, subgroup, get(node, id)); } } } @@ -3793,7 +4406,7 @@ function transition_selectAll(select) { for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { if (node = group[i]) { - for (var children = select.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { + for (var children = select.call(node, node.__data__, i, group), child, inherit = get(node, id), k = 0, l = children.length; k < l; ++k) { if (child = children[k]) { schedule(child, name, id, k, children, inherit); } @@ -3807,10 +4420,10 @@ function transition_selectAll(select) { return new Transition(subgroups, parents, name, id); } -var Selection$1 = selection.prototype.constructor; +var Selection = selection.prototype.constructor; function transition_selection() { - return new Selection$1(this._groups, this._parents); + return new Selection(this._groups, this._parents); } function styleNull(name, interpolate) { @@ -3826,13 +4439,13 @@ function styleNull(name, interpolate) { }; } -function styleRemove$1(name) { +function styleRemove(name) { return function() { this.style.removeProperty(name); }; } -function styleConstant$1(name, interpolate, value1) { +function styleConstant(name, interpolate, value1) { var string00, string1 = value1 + "", interpolate0; @@ -3844,7 +4457,7 @@ function styleConstant$1(name, interpolate, value1) { }; } -function styleFunction$1(name, interpolate, value) { +function styleFunction(name, interpolate, value) { var string00, string10, interpolate0; @@ -3862,9 +4475,9 @@ function styleFunction$1(name, interpolate, value) { function styleMaybeRemove(id, name) { var on0, on1, listener0, key = "style." + name, event = "end." + key, remove; return function() { - var schedule = set$1(this, id), + var schedule = set(this, id), on = schedule.on, - listener = schedule.value[key] == null ? remove || (remove = styleRemove$1(name)) : undefined; + listener = schedule.value[key] == null ? remove || (remove = styleRemove(name)) : undefined; // If this node shared a dispatch with the previous node, // just assign the updated shared dispatch and we’re done! @@ -3876,15 +4489,15 @@ function styleMaybeRemove(id, name) { } function transition_style(name, value, priority) { - var i = (name += "") === "transform" ? interpolateTransformCss : interpolate; + var i = (name += "") === "transform" ? interpolateTransformCss : interpolate$1; return value == null ? this .styleTween(name, styleNull(name, i)) - .on("end.style." + name, styleRemove$1(name)) + .on("end.style." + name, styleRemove(name)) : typeof value === "function" ? this - .styleTween(name, styleFunction$1(name, i, tweenValue(this, "style." + name, value))) + .styleTween(name, styleFunction(name, i, tweenValue(this, "style." + name, value))) .each(styleMaybeRemove(this._id, name)) : this - .styleTween(name, styleConstant$1(name, i, value), priority) + .styleTween(name, styleConstant(name, i, value), priority) .on("end.style." + name, null); } @@ -3913,13 +4526,13 @@ function transition_styleTween(name, value, priority) { return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); } -function textConstant$1(value) { +function textConstant(value) { return function() { this.textContent = value; }; } -function textFunction$1(value) { +function textFunction(value) { return function() { var value1 = value(this); this.textContent = value1 == null ? "" : value1; @@ -3928,8 +4541,8 @@ function textFunction$1(value) { function transition_text(value) { return this.tween("text", typeof value === "function" - ? textFunction$1(tweenValue(this, "text", value)) - : textConstant$1(value == null ? "" : value + "")); + ? textFunction(tweenValue(this, "text", value)) + : textConstant(value == null ? "" : value + "")); } function textInterpolate(i) { @@ -3965,7 +4578,7 @@ function transition_transition() { for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { if (node = group[i]) { - var inherit = get$1(node, id0); + var inherit = get(node, id0); schedule(node, name, id1, i, group, { time: inherit.time + inherit.delay + inherit.duration, delay: 0, @@ -3986,7 +4599,7 @@ function transition_end() { end = {value: function() { if (--size === 0) resolve(); }}; that.each(function() { - var schedule = set$1(this, id), + var schedule = set(this, id), on = schedule.on; // If this node shared a dispatch with the previous node, @@ -4001,6 +4614,9 @@ function transition_end() { schedule.on = on1; }); + + // The selection was empty, resolve end immediately + if (size === 0) resolve(); }); } @@ -4049,12 +4665,12 @@ Transition.prototype = transition.prototype = { delay: transition_delay, duration: transition_duration, ease: transition_ease, - end: transition_end + easeVarying: transition_easeVarying, + end: transition_end, + [Symbol.iterator]: selection_prototype[Symbol.iterator] }; -function linear$1(t) { - return +t; -} +const linear$1 = t => +t; function quadIn(t) { return t * t; @@ -4080,7 +4696,7 @@ function cubicInOut(t) { return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2; } -var exponent = 3; +var exponent$1 = 3; var polyIn = (function custom(e) { e = +e; @@ -4092,7 +4708,7 @@ var polyIn = (function custom(e) { polyIn.exponent = custom; return polyIn; -})(exponent); +})(exponent$1); var polyOut = (function custom(e) { e = +e; @@ -4104,7 +4720,7 @@ var polyOut = (function custom(e) { polyOut.exponent = custom; return polyOut; -})(exponent); +})(exponent$1); var polyInOut = (function custom(e) { e = +e; @@ -4116,33 +4732,38 @@ var polyInOut = (function custom(e) { polyInOut.exponent = custom; return polyInOut; -})(exponent); +})(exponent$1); -var pi = Math.PI, - halfPi = pi / 2; +var pi$4 = Math.PI, + halfPi$3 = pi$4 / 2; function sinIn(t) { - return 1 - Math.cos(t * halfPi); + return (+t === 1) ? 1 : 1 - Math.cos(t * halfPi$3); } function sinOut(t) { - return Math.sin(t * halfPi); + return Math.sin(t * halfPi$3); } function sinInOut(t) { - return (1 - Math.cos(pi * t)) / 2; + return (1 - Math.cos(pi$4 * t)) / 2; +} + +// tpmt is two power minus ten times t scaled to [0,1] +function tpmt(x) { + return (Math.pow(2, -10 * x) - 0.0009765625) * 1.0009775171065494; } function expIn(t) { - return Math.pow(2, 10 * t - 10); + return tpmt(1 - +t); } function expOut(t) { - return 1 - Math.pow(2, -10 * t); + return 1 - tpmt(t); } function expInOut(t) { - return ((t *= 2) <= 1 ? Math.pow(2, 10 * t - 10) : 2 - Math.pow(2, 10 - 10 * t)) / 2; + return ((t *= 2) <= 1 ? tpmt(1 - t) : 2 - tpmt(t - 1)) / 2; } function circleIn(t) { @@ -4186,7 +4807,7 @@ var backIn = (function custom(s) { s = +s; function backIn(t) { - return t * t * ((s + 1) * t - s); + return (t = +t) * t * (s * (t - 1) + t); } backIn.overshoot = custom; @@ -4198,7 +4819,7 @@ var backOut = (function custom(s) { s = +s; function backOut(t) { - return --t * t * ((s + 1) * t + s) + 1; + return --t * t * ((t + 1) * s + t) + 1; } backOut.overshoot = custom; @@ -4218,46 +4839,46 @@ var backInOut = (function custom(s) { return backInOut; })(overshoot); -var tau = 2 * Math.PI, +var tau$5 = 2 * Math.PI, amplitude = 1, period = 0.3; var elasticIn = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau$5); function elasticIn(t) { - return a * Math.pow(2, 10 * --t) * Math.sin((s - t) / p); + return a * tpmt(-(--t)) * Math.sin((s - t) / p); } - elasticIn.amplitude = function(a) { return custom(a, p * tau); }; + elasticIn.amplitude = function(a) { return custom(a, p * tau$5); }; elasticIn.period = function(p) { return custom(a, p); }; return elasticIn; })(amplitude, period); var elasticOut = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau$5); function elasticOut(t) { - return 1 - a * Math.pow(2, -10 * (t = +t)) * Math.sin((t + s) / p); + return 1 - a * tpmt(t = +t) * Math.sin((t + s) / p); } - elasticOut.amplitude = function(a) { return custom(a, p * tau); }; + elasticOut.amplitude = function(a) { return custom(a, p * tau$5); }; elasticOut.period = function(p) { return custom(a, p); }; return elasticOut; })(amplitude, period); var elasticInOut = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); + var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau$5); function elasticInOut(t) { return ((t = t * 2 - 1) < 0 - ? a * Math.pow(2, 10 * t) * Math.sin((s - t) / p) - : 2 - a * Math.pow(2, -10 * t) * Math.sin((s + t) / p)) / 2; + ? a * tpmt(-t) * Math.sin((s - t) / p) + : 2 - a * tpmt(t) * Math.sin((s + t) / p)) / 2; } - elasticInOut.amplitude = function(a) { return custom(a, p * tau); }; + elasticInOut.amplitude = function(a) { return custom(a, p * tau$5); }; elasticInOut.period = function(p) { return custom(a, p); }; return elasticInOut; @@ -4274,7 +4895,7 @@ function inherit(node, id) { var timing; while (!(timing = node.__transition) || !(timing = timing[id])) { if (!(node = node.parentNode)) { - return defaultTiming.time = now(), defaultTiming; + throw new Error(`transition ${id} not found`); } } return timing; @@ -4304,7 +4925,7 @@ function selection_transition(name) { selection.prototype.interrupt = selection_interrupt; selection.prototype.transition = selection_transition; -var root$1 = [null]; +var root = [null]; function active(node, name) { var schedules = node.__transition, @@ -4315,7 +4936,7 @@ function active(node, name) { name = name == null ? null : name + ""; for (i in schedules) { if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { - return new Transition([[node]], root$1, name, +i); + return new Transition([[node]], root, name, +i); } } } @@ -4323,25 +4944,32 @@ function active(node, name) { return null; } -function constant$4(x) { - return function() { - return x; - }; -} - -function BrushEvent(target, type, selection) { - this.target = target; - this.type = type; - this.selection = selection; +var constant$7 = x => () => x; + +function BrushEvent(type, { + sourceEvent, + target, + selection, + mode, + dispatch +}) { + Object.defineProperties(this, { + type: {value: type, enumerable: true, configurable: true}, + sourceEvent: {value: sourceEvent, enumerable: true, configurable: true}, + target: {value: target, enumerable: true, configurable: true}, + selection: {value: selection, enumerable: true, configurable: true}, + mode: {value: mode, enumerable: true, configurable: true}, + _: {value: dispatch} + }); } -function nopropagation$1() { - exports.event.stopImmediatePropagation(); +function nopropagation$1(event) { + event.stopImmediatePropagation(); } -function noevent$1() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); +function noevent$1(event) { + event.preventDefault(); + event.stopImmediatePropagation(); } var MODE_DRAG = {name: "drag"}, @@ -4349,6 +4977,8 @@ var MODE_DRAG = {name: "drag"}, MODE_HANDLE = {name: "handle"}, MODE_CENTER = {name: "center"}; +const {abs: abs$3, max: max$2, min: min$1} = Math; + function number1(e) { return [+e[0], +e[1]]; } @@ -4357,12 +4987,6 @@ function number2(e) { return [number1(e[0]), number1(e[1])]; } -function toucher(identifier) { - return function(target) { - return touch(target, exports.event.touches, identifier); - }; -} - var X = { name: "x", handles: ["w", "e"].map(type), @@ -4446,11 +5070,11 @@ function type(t) { } // Ignore right-click, since that should open the context menu. -function defaultFilter$1() { - return !exports.event.ctrlKey && !exports.event.button; +function defaultFilter$1(event) { + return !event.ctrlKey && !event.button; } -function defaultExtent() { +function defaultExtent$1() { var svg = this.ownerSVGElement || this; if (svg.hasAttribute("viewBox")) { svg = svg.viewBox.baseVal; @@ -4464,12 +5088,12 @@ function defaultTouchable$1() { } // Like d3.local, but with the name “__brush” rather than auto-generated. -function local$1(node) { +function local(node) { while (!node.__brush) if (!(node = node.parentNode)) return; return node.__brush; } -function empty$1(extent) { +function empty(extent) { return extent[0][0] === extent[1][0] || extent[0][1] === extent[1][1]; } @@ -4492,7 +5116,7 @@ function brush() { } function brush$1(dim) { - var extent = defaultExtent, + var extent = defaultExtent$1, filter = defaultFilter$1, touchable = defaultTouchable$1, keys = true, @@ -4512,7 +5136,7 @@ function brush$1(dim) { .attr("cursor", cursors.overlay) .merge(overlay) .each(function() { - var extent = local$1(this).extent; + var extent = local(this).extent; select(this) .attr("x", extent[0][0]) .attr("y", extent[0][1]) @@ -4553,17 +5177,17 @@ function brush$1(dim) { } brush.move = function(group, selection) { - if (group.selection) { + if (group.tween) { group - .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) - .on("interrupt.brush end.brush", function() { emitter(this, arguments).end(); }) + .on("start.brush", function(event) { emitter(this, arguments).beforestart().start(event); }) + .on("interrupt.brush end.brush", function(event) { emitter(this, arguments).end(event); }) .tween("brush", function() { var that = this, state = that.__brush, emit = emitter(that, arguments), selection0 = state.selection, selection1 = dim.input(typeof selection === "function" ? selection.apply(this, arguments) : selection, state.extent), - i = interpolateValue(selection0, selection1); + i = interpolate$2(selection0, selection1); function tween(t) { state.selection = t === 1 && selection1 === null ? null : i(t); @@ -4596,7 +5220,7 @@ function brush$1(dim) { function redraw() { var group = select(this), - selection = local$1(this).selection; + selection = local(this).selection; if (selection) { group.selectAll(".selection") @@ -4625,14 +5249,16 @@ function brush$1(dim) { } function emitter(that, args, clean) { - return (!clean && that.__brush.emitter) || new Emitter(that, args); + var emit = that.__brush.emitter; + return emit && (!clean || !emit.clean) ? emit : new Emitter(that, args, clean); } - function Emitter(that, args) { + function Emitter(that, args, clean) { this.that = that; this.args = args; this.state = that.__brush; this.active = 0; + this.clean = clean; } Emitter.prototype = { @@ -4640,34 +5266,46 @@ function brush$1(dim) { if (++this.active === 1) this.state.emitter = this, this.starting = true; return this; }, - start: function() { - if (this.starting) this.starting = false, this.emit("start"); - else this.emit("brush"); + start: function(event, mode) { + if (this.starting) this.starting = false, this.emit("start", event, mode); + else this.emit("brush", event); return this; }, - brush: function() { - this.emit("brush"); + brush: function(event, mode) { + this.emit("brush", event, mode); return this; }, - end: function() { - if (--this.active === 0) delete this.state.emitter, this.emit("end"); + end: function(event, mode) { + if (--this.active === 0) delete this.state.emitter, this.emit("end", event, mode); return this; }, - emit: function(type) { - customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]); + emit: function(type, event, mode) { + var d = select(this.that).datum(); + listeners.call( + type, + this.that, + new BrushEvent(type, { + sourceEvent: event, + target: brush, + selection: dim.output(this.state.selection), + mode, + dispatch: listeners + }), + d + ); } }; - function started() { - if (touchending && !exports.event.touches) return; + function started(event) { + if (touchending && !event.touches) return; if (!filter.apply(this, arguments)) return; var that = this, - type = exports.event.target.__data__.type, - mode = (keys && exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (keys && exports.event.altKey ? MODE_CENTER : MODE_HANDLE), + type = event.target.__data__.type, + mode = (keys && event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (keys && event.altKey ? MODE_CENTER : MODE_HANDLE), signX = dim === Y ? null : signsX[type], signY = dim === X ? null : signsY[type], - state = local$1(that), + state = local(that), extent = state.extent, selection = state.selection, W = extent[0][0], w0, w1, @@ -4677,20 +5315,28 @@ function brush$1(dim) { dx = 0, dy = 0, moving, - shifting = signX && signY && keys && exports.event.shiftKey, + shifting = signX && signY && keys && event.shiftKey, lockX, lockY, - pointer = exports.event.touches ? toucher(exports.event.changedTouches[0].identifier) : mouse, - point0 = pointer(that), - point = point0, - emit = emitter(that, arguments, true).beforestart(); + points = Array.from(event.touches || [event], t => { + const i = t.identifier; + t = pointer(t, that); + t.point0 = t.slice(); + t.identifier = i; + return t; + }); if (type === "overlay") { if (selection) moving = true; - state.selection = selection = [ - [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], - [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] - ]; + const pts = [points[0], points[1] || points[0]]; + state.selection = selection = [[ + w0 = dim === Y ? W : min$1(pts[0][0], pts[1][0]), + n0 = dim === X ? N : min$1(pts[0][1], pts[1][1]) + ], [ + e0 = dim === Y ? E : max$2(pts[0][0], pts[1][0]), + s0 = dim === X ? S : max$2(pts[0][1], pts[1][1]) + ]]; + if (points.length > 1) move(); } else { w0 = selection[0][0]; n0 = selection[0][1]; @@ -4709,38 +5355,47 @@ function brush$1(dim) { var overlay = group.selectAll(".overlay") .attr("cursor", cursors[type]); - if (exports.event.touches) { + interrupt(that); + var emit = emitter(that, arguments, true).beforestart(); + + if (event.touches) { emit.moved = moved; emit.ended = ended; } else { - var view = select(exports.event.view) + var view = select(event.view) .on("mousemove.brush", moved, true) .on("mouseup.brush", ended, true); if (keys) view .on("keydown.brush", keydowned, true) .on("keyup.brush", keyupped, true); - dragDisable(exports.event.view); + dragDisable(event.view); } - nopropagation$1(); - interrupt(that); redraw.call(that); - emit.start(); + emit.start(event, mode.name); - function moved() { - var point1 = pointer(that); - if (shifting && !lockX && !lockY) { - if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true; - else lockX = true; + function moved(event) { + for (const p of event.changedTouches || [event]) { + for (const d of points) + if (d.identifier === p.identifier) d.cur = pointer(p, that); } - point = point1; + if (shifting && !lockX && !lockY && points.length === 1) { + const point = points[0]; + if (abs$3(point.cur[0] - point[0]) > abs$3(point.cur[1] - point[1])) + lockY = true; + else + lockX = true; + } + for (const point of points) + if (point.cur) point[0] = point.cur[0], point[1] = point.cur[1]; moving = true; - noevent$1(); - move(); + noevent$1(event); + move(event); } - function move() { + function move(event) { + const point = points[0], point0 = point.point0; var t; dx = point[0] - point0[0]; @@ -4749,20 +5404,25 @@ function brush$1(dim) { switch (mode) { case MODE_SPACE: case MODE_DRAG: { - if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx; - if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy; + if (signX) dx = max$2(W - w0, min$1(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx; + if (signY) dy = max$2(N - n0, min$1(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy; break; } case MODE_HANDLE: { - if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0; - else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx; - if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0; - else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy; + if (points[1]) { + if (signX) w1 = max$2(W, min$1(E, points[0][0])), e1 = max$2(W, min$1(E, points[1][0])), signX = 1; + if (signY) n1 = max$2(N, min$1(S, points[0][1])), s1 = max$2(N, min$1(S, points[1][1])), signY = 1; + } else { + if (signX < 0) dx = max$2(W - w0, min$1(E - w0, dx)), w1 = w0 + dx, e1 = e0; + else if (signX > 0) dx = max$2(W - e0, min$1(E - e0, dx)), w1 = w0, e1 = e0 + dx; + if (signY < 0) dy = max$2(N - n0, min$1(S - n0, dy)), n1 = n0 + dy, s1 = s0; + else if (signY > 0) dy = max$2(N - s0, min$1(S - s0, dy)), n1 = n0, s1 = s0 + dy; + } break; } case MODE_CENTER: { - if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX)); - if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY)); + if (signX) w1 = max$2(W, min$1(E, w0 - dx * signX)), e1 = max$2(W, min$1(E, e0 + dx * signX)); + if (signY) n1 = max$2(N, min$1(S, n0 - dy * signY)), s1 = max$2(N, min$1(S, s0 + dy * signY)); break; } } @@ -4791,29 +5451,29 @@ function brush$1(dim) { || selection[1][1] !== s1) { state.selection = [[w1, n1], [e1, s1]]; redraw.call(that); - emit.brush(); + emit.brush(event, mode.name); } } - function ended() { - nopropagation$1(); - if (exports.event.touches) { - if (exports.event.touches.length) return; + function ended(event) { + nopropagation$1(event); + if (event.touches) { + if (event.touches.length) return; if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! } else { - yesdrag(exports.event.view, moving); + yesdrag(event.view, moving); view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); } group.attr("pointer-events", "all"); overlay.attr("cursor", cursors.overlay); if (state.selection) selection = state.selection; // May be set by brush.move (on start)! - if (empty$1(selection)) state.selection = null, redraw.call(that); - emit.end(); + if (empty(selection)) state.selection = null, redraw.call(that); + emit.end(event, mode.name); } - function keydowned() { - switch (exports.event.keyCode) { + function keydowned(event) { + switch (event.keyCode) { case 16: { // SHIFT shifting = signX && signY; break; @@ -4839,11 +5499,11 @@ function brush$1(dim) { } default: return; } - noevent$1(); + noevent$1(event); } - function keyupped() { - switch (exports.event.keyCode) { + function keyupped(event) { + switch (event.keyCode) { case 16: { // SHIFT if (shifting) { lockX = lockY = shifting = false; @@ -4862,7 +5522,7 @@ function brush$1(dim) { } case 32: { // SPACE if (mode === MODE_SPACE) { - if (exports.event.altKey) { + if (event.altKey) { if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; mode = MODE_CENTER; @@ -4878,16 +5538,16 @@ function brush$1(dim) { } default: return; } - noevent$1(); + noevent$1(event); } } - function touchmoved() { - emitter(this, arguments).moved(); + function touchmoved(event) { + emitter(this, arguments).moved(event); } - function touchended() { - emitter(this, arguments).ended(); + function touchended(event) { + emitter(this, arguments).ended(event); } function initialize() { @@ -4898,15 +5558,15 @@ function brush$1(dim) { } brush.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$4(number2(_)), brush) : extent; + return arguments.length ? (extent = typeof _ === "function" ? _ : constant$7(number2(_)), brush) : extent; }; brush.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$4(!!_), brush) : filter; + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$7(!!_), brush) : filter; }; brush.touchable = function(_) { - return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$4(!!_), brush) : touchable; + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$7(!!_), brush) : touchable; }; brush.handleSize = function(_) { @@ -4925,12 +5585,18 @@ function brush$1(dim) { return brush; } -var cos = Math.cos; -var sin = Math.sin; -var pi$1 = Math.PI; -var halfPi$1 = pi$1 / 2; -var tau$1 = pi$1 * 2; +var abs$2 = Math.abs; +var cos$2 = Math.cos; +var sin$2 = Math.sin; +var pi$3 = Math.PI; +var halfPi$2 = pi$3 / 2; +var tau$4 = pi$3 * 2; var max$1 = Math.max; +var epsilon$4 = 1e-12; + +function range$1(i, j) { + return Array.from({length: j - i}, (_, k) => i + k); +} function compareValue(compare) { return function(a, b) { @@ -4942,6 +5608,18 @@ function compareValue(compare) { } function chord() { + return chord$1(false, false); +} + +function chordTranspose() { + return chord$1(false, true); +} + +function chordDirected() { + return chord$1(true, false); +} + +function chord$1(directed, transpose) { var padAngle = 0, sortGroups = null, sortSubgroups = null, @@ -4949,86 +5627,72 @@ function chord() { function chord(matrix) { var n = matrix.length, - groupSums = [], - groupIndex = sequence(n), - subgroupIndex = [], - chords = [], - groups = chords.groups = new Array(n), - subgroups = new Array(n * n), - k, - x, - x0, - dx, - i, - j; - - // Compute the sum. - k = 0, i = -1; while (++i < n) { - x = 0, j = -1; while (++j < n) { - x += matrix[i][j]; - } - groupSums.push(x); - subgroupIndex.push(sequence(n)); - k += x; - } - - // Sort groups… - if (sortGroups) groupIndex.sort(function(a, b) { - return sortGroups(groupSums[a], groupSums[b]); - }); - - // Sort subgroups… - if (sortSubgroups) subgroupIndex.forEach(function(d, i) { - d.sort(function(a, b) { - return sortSubgroups(matrix[i][a], matrix[i][b]); - }); - }); - - // Convert the sum to scaling factor for [0, 2pi]. - // TODO Allow start and end angle to be specified? - // TODO Allow padding to be specified as percentage? - k = max$1(0, tau$1 - padAngle * n) / k; - dx = k ? padAngle : tau$1 / n; - - // Compute the start and end angle for each group and subgroup. - // Note: Opera has a bug reordering object literal properties! - x = 0, i = -1; while (++i < n) { - x0 = x, j = -1; while (++j < n) { - var di = groupIndex[i], - dj = subgroupIndex[di][j], - v = matrix[di][dj], - a0 = x, - a1 = x += v * k; - subgroups[dj * n + di] = { - index: di, - subindex: dj, - startAngle: a0, - endAngle: a1, - value: v - }; - } - groups[di] = { - index: di, - startAngle: x0, - endAngle: x, - value: groupSums[di] - }; - x += dx; - } - - // Generate chords for each (non-empty) subgroup-subgroup link. - i = -1; while (++i < n) { - j = i - 1; while (++j < n) { - var source = subgroups[j * n + i], - target = subgroups[i * n + j]; - if (source.value || target.value) { - chords.push(source.value < target.value - ? {source: target, target: source} - : {source: source, target: target}); + groupSums = new Array(n), + groupIndex = range$1(0, n), + chords = new Array(n * n), + groups = new Array(n), + k = 0, dx; + + matrix = Float64Array.from({length: n * n}, transpose + ? (_, i) => matrix[i % n][i / n | 0] + : (_, i) => matrix[i / n | 0][i % n]); + + // Compute the scaling factor from value to angle in [0, 2pi]. + for (let i = 0; i < n; ++i) { + let x = 0; + for (let j = 0; j < n; ++j) x += matrix[i * n + j] + directed * matrix[j * n + i]; + k += groupSums[i] = x; + } + k = max$1(0, tau$4 - padAngle * n) / k; + dx = k ? padAngle : tau$4 / n; + + // Compute the angles for each group and constituent chord. + { + let x = 0; + if (sortGroups) groupIndex.sort((a, b) => sortGroups(groupSums[a], groupSums[b])); + for (const i of groupIndex) { + const x0 = x; + if (directed) { + const subgroupIndex = range$1(~n + 1, n).filter(j => j < 0 ? matrix[~j * n + i] : matrix[i * n + j]); + if (sortSubgroups) subgroupIndex.sort((a, b) => sortSubgroups(a < 0 ? -matrix[~a * n + i] : matrix[i * n + a], b < 0 ? -matrix[~b * n + i] : matrix[i * n + b])); + for (const j of subgroupIndex) { + if (j < 0) { + const chord = chords[~j * n + i] || (chords[~j * n + i] = {source: null, target: null}); + chord.target = {index: i, startAngle: x, endAngle: x += matrix[~j * n + i] * k, value: matrix[~j * n + i]}; + } else { + const chord = chords[i * n + j] || (chords[i * n + j] = {source: null, target: null}); + chord.source = {index: i, startAngle: x, endAngle: x += matrix[i * n + j] * k, value: matrix[i * n + j]}; + } + } + groups[i] = {index: i, startAngle: x0, endAngle: x, value: groupSums[i]}; + } else { + const subgroupIndex = range$1(0, n).filter(j => matrix[i * n + j] || matrix[j * n + i]); + if (sortSubgroups) subgroupIndex.sort((a, b) => sortSubgroups(matrix[i * n + a], matrix[i * n + b])); + for (const j of subgroupIndex) { + let chord; + if (i < j) { + chord = chords[i * n + j] || (chords[i * n + j] = {source: null, target: null}); + chord.source = {index: i, startAngle: x, endAngle: x += matrix[i * n + j] * k, value: matrix[i * n + j]}; + } else { + chord = chords[j * n + i] || (chords[j * n + i] = {source: null, target: null}); + chord.target = {index: i, startAngle: x, endAngle: x += matrix[i * n + j] * k, value: matrix[i * n + j]}; + if (i === j) chord.source = chord.target; + } + if (chord.source && chord.target && chord.source.value < chord.target.value) { + const source = chord.source; + chord.source = chord.target; + chord.target = source; + } + } + groups[i] = {index: i, startAngle: x0, endAngle: x, value: groupSums[i]}; } + x += dx; } } + // Remove empty chords. + chords = Object.values(chords); + chords.groups = groups; return sortChords ? chords.sort(sortChords) : chords; } @@ -5051,31 +5715,23 @@ function chord() { return chord; } -var slice$2 = Array.prototype.slice; - -function constant$5(x) { - return function() { - return x; - }; -} - -var pi$2 = Math.PI, - tau$2 = 2 * pi$2, - epsilon$1 = 1e-6, - tauEpsilon = tau$2 - epsilon$1; +const pi$2 = Math.PI, + tau$3 = 2 * pi$2, + epsilon$3 = 1e-6, + tauEpsilon = tau$3 - epsilon$3; -function Path() { +function Path$1() { this._x0 = this._y0 = // start of current subpath this._x1 = this._y1 = null; // end of current subpath this._ = ""; } function path() { - return new Path; + return new Path$1; } -Path.prototype = path.prototype = { - constructor: Path, +Path$1.prototype = path.prototype = { + constructor: Path$1, moveTo: function(x, y) { this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y); }, @@ -5113,12 +5769,12 @@ Path.prototype = path.prototype = { } // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. - else if (!(l01_2 > epsilon$1)); + else if (!(l01_2 > epsilon$3)); // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? // Equivalently, is (x1,y1) coincident with (x2,y2)? // Or, is the radius zero? Line to (x1,y1). - else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon$1) || !r) { + else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon$3) || !r) { this._ += "L" + (this._x1 = x1) + "," + (this._y1 = y1); } @@ -5135,7 +5791,7 @@ Path.prototype = path.prototype = { t21 = l / l21; // If the start tangent is not coincident with (x0,y0), line to. - if (Math.abs(t01 - 1) > epsilon$1) { + if (Math.abs(t01 - 1) > epsilon$3) { this._ += "L" + (x1 + t01 * x01) + "," + (y1 + t01 * y01); } @@ -5160,7 +5816,7 @@ Path.prototype = path.prototype = { } // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). - else if (Math.abs(this._x1 - x0) > epsilon$1 || Math.abs(this._y1 - y0) > epsilon$1) { + else if (Math.abs(this._x1 - x0) > epsilon$3 || Math.abs(this._y1 - y0) > epsilon$3) { this._ += "L" + x0 + "," + y0; } @@ -5168,7 +5824,7 @@ Path.prototype = path.prototype = { if (!r) return; // Does the angle go the wrong way? Flip the direction. - if (da < 0) da = da % tau$2 + tau$2; + if (da < 0) da = da % tau$3 + tau$3; // Is this a complete circle? Draw two arcs to complete the circle. if (da > tauEpsilon) { @@ -5176,7 +5832,7 @@ Path.prototype = path.prototype = { } // Is this arc non-empty? Draw an arc! - else if (da > epsilon$1) { + else if (da > epsilon$3) { this._ += "A" + r + "," + r + ",0," + (+(da >= pi$2)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1)); } }, @@ -5188,7 +5844,15 @@ Path.prototype = path.prototype = { } }; -function defaultSource(d) { +var slice$2 = Array.prototype.slice; + +function constant$6(x) { + return function() { + return x; + }; +} + +function defaultSource$1(d) { return d.source; } @@ -5196,7 +5860,7 @@ function defaultTarget(d) { return d.target; } -function defaultRadius(d) { +function defaultRadius$1(d) { return d.radius; } @@ -5208,52 +5872,91 @@ function defaultEndAngle(d) { return d.endAngle; } -function ribbon() { - var source = defaultSource, +function defaultPadAngle() { + return 0; +} + +function defaultArrowheadRadius() { + return 10; +} + +function ribbon(headRadius) { + var source = defaultSource$1, target = defaultTarget, - radius = defaultRadius, + sourceRadius = defaultRadius$1, + targetRadius = defaultRadius$1, startAngle = defaultStartAngle, endAngle = defaultEndAngle, + padAngle = defaultPadAngle, context = null; function ribbon() { var buffer, + s = source.apply(this, arguments), + t = target.apply(this, arguments), + ap = padAngle.apply(this, arguments) / 2, argv = slice$2.call(arguments), - s = source.apply(this, argv), - t = target.apply(this, argv), - sr = +radius.apply(this, (argv[0] = s, argv)), - sa0 = startAngle.apply(this, argv) - halfPi$1, - sa1 = endAngle.apply(this, argv) - halfPi$1, - sx0 = sr * cos(sa0), - sy0 = sr * sin(sa0), - tr = +radius.apply(this, (argv[0] = t, argv)), - ta0 = startAngle.apply(this, argv) - halfPi$1, - ta1 = endAngle.apply(this, argv) - halfPi$1; + sr = +sourceRadius.apply(this, (argv[0] = s, argv)), + sa0 = startAngle.apply(this, argv) - halfPi$2, + sa1 = endAngle.apply(this, argv) - halfPi$2, + tr = +targetRadius.apply(this, (argv[0] = t, argv)), + ta0 = startAngle.apply(this, argv) - halfPi$2, + ta1 = endAngle.apply(this, argv) - halfPi$2; if (!context) context = buffer = path(); - context.moveTo(sx0, sy0); + if (ap > epsilon$4) { + if (abs$2(sa1 - sa0) > ap * 2 + epsilon$4) sa1 > sa0 ? (sa0 += ap, sa1 -= ap) : (sa0 -= ap, sa1 += ap); + else sa0 = sa1 = (sa0 + sa1) / 2; + if (abs$2(ta1 - ta0) > ap * 2 + epsilon$4) ta1 > ta0 ? (ta0 += ap, ta1 -= ap) : (ta0 -= ap, ta1 += ap); + else ta0 = ta1 = (ta0 + ta1) / 2; + } + + context.moveTo(sr * cos$2(sa0), sr * sin$2(sa0)); context.arc(0, 0, sr, sa0, sa1); - if (sa0 !== ta0 || sa1 !== ta1) { // TODO sr !== tr? - context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0)); - context.arc(0, 0, tr, ta0, ta1); + if (sa0 !== ta0 || sa1 !== ta1) { + if (headRadius) { + var hr = +headRadius.apply(this, arguments), tr2 = tr - hr, ta2 = (ta0 + ta1) / 2; + context.quadraticCurveTo(0, 0, tr2 * cos$2(ta0), tr2 * sin$2(ta0)); + context.lineTo(tr * cos$2(ta2), tr * sin$2(ta2)); + context.lineTo(tr2 * cos$2(ta1), tr2 * sin$2(ta1)); + } else { + context.quadraticCurveTo(0, 0, tr * cos$2(ta0), tr * sin$2(ta0)); + context.arc(0, 0, tr, ta0, ta1); + } } - context.quadraticCurveTo(0, 0, sx0, sy0); + context.quadraticCurveTo(0, 0, sr * cos$2(sa0), sr * sin$2(sa0)); context.closePath(); if (buffer) return context = null, buffer + "" || null; } + if (headRadius) ribbon.headRadius = function(_) { + return arguments.length ? (headRadius = typeof _ === "function" ? _ : constant$6(+_), ribbon) : headRadius; + }; + ribbon.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$5(+_), ribbon) : radius; + return arguments.length ? (sourceRadius = targetRadius = typeof _ === "function" ? _ : constant$6(+_), ribbon) : sourceRadius; + }; + + ribbon.sourceRadius = function(_) { + return arguments.length ? (sourceRadius = typeof _ === "function" ? _ : constant$6(+_), ribbon) : sourceRadius; + }; + + ribbon.targetRadius = function(_) { + return arguments.length ? (targetRadius = typeof _ === "function" ? _ : constant$6(+_), ribbon) : targetRadius; }; ribbon.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$5(+_), ribbon) : startAngle; + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$6(+_), ribbon) : startAngle; }; ribbon.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$5(+_), ribbon) : endAngle; + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$6(+_), ribbon) : endAngle; + }; + + ribbon.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$6(+_), ribbon) : padAngle; }; ribbon.source = function(_) { @@ -5271,227 +5974,31 @@ function ribbon() { return ribbon; } -var prefix = "$"; - -function Map() {} - -Map.prototype = map$1.prototype = { - constructor: Map, - has: function(key) { - return (prefix + key) in this; - }, - get: function(key) { - return this[prefix + key]; - }, - set: function(key, value) { - this[prefix + key] = value; - return this; - }, - remove: function(key) { - var property = prefix + key; - return property in this && delete this[property]; - }, - clear: function() { - for (var property in this) if (property[0] === prefix) delete this[property]; - }, - keys: function() { - var keys = []; - for (var property in this) if (property[0] === prefix) keys.push(property.slice(1)); - return keys; - }, - values: function() { - var values = []; - for (var property in this) if (property[0] === prefix) values.push(this[property]); - return values; - }, - entries: function() { - var entries = []; - for (var property in this) if (property[0] === prefix) entries.push({key: property.slice(1), value: this[property]}); - return entries; - }, - size: function() { - var size = 0; - for (var property in this) if (property[0] === prefix) ++size; - return size; - }, - empty: function() { - for (var property in this) if (property[0] === prefix) return false; - return true; - }, - each: function(f) { - for (var property in this) if (property[0] === prefix) f(this[property], property.slice(1), this); - } -}; - -function map$1(object, f) { - var map = new Map; - - // Copy constructor. - if (object instanceof Map) object.each(function(value, key) { map.set(key, value); }); - - // Index array by numeric index or specified key function. - else if (Array.isArray(object)) { - var i = -1, - n = object.length, - o; - - if (f == null) while (++i < n) map.set(i, object[i]); - else while (++i < n) map.set(f(o = object[i], i, object), o); - } - - // Convert object to map. - else if (object) for (var key in object) map.set(key, object[key]); - - return map; -} - -function nest() { - var keys = [], - sortKeys = [], - sortValues, - rollup, - nest; - - function apply(array, depth, createResult, setResult) { - if (depth >= keys.length) { - if (sortValues != null) array.sort(sortValues); - return rollup != null ? rollup(array) : array; - } - - var i = -1, - n = array.length, - key = keys[depth++], - keyValue, - value, - valuesByKey = map$1(), - values, - result = createResult(); - - while (++i < n) { - if (values = valuesByKey.get(keyValue = key(value = array[i]) + "")) { - values.push(value); - } else { - valuesByKey.set(keyValue, [value]); - } - } - - valuesByKey.each(function(values, key) { - setResult(result, key, apply(values, depth, createResult, setResult)); - }); - - return result; - } - - function entries(map, depth) { - if (++depth > keys.length) return map; - var array, sortKey = sortKeys[depth - 1]; - if (rollup != null && depth >= keys.length) array = map.entries(); - else array = [], map.each(function(v, k) { array.push({key: k, values: entries(v, depth)}); }); - return sortKey != null ? array.sort(function(a, b) { return sortKey(a.key, b.key); }) : array; - } - - return nest = { - object: function(array) { return apply(array, 0, createObject, setObject); }, - map: function(array) { return apply(array, 0, createMap, setMap); }, - entries: function(array) { return entries(apply(array, 0, createMap, setMap), 0); }, - key: function(d) { keys.push(d); return nest; }, - sortKeys: function(order) { sortKeys[keys.length - 1] = order; return nest; }, - sortValues: function(order) { sortValues = order; return nest; }, - rollup: function(f) { rollup = f; return nest; } - }; -} - -function createObject() { - return {}; -} - -function setObject(object, key, value) { - object[key] = value; -} - -function createMap() { - return map$1(); -} - -function setMap(map, key, value) { - map.set(key, value); -} - -function Set() {} - -var proto = map$1.prototype; - -Set.prototype = set$2.prototype = { - constructor: Set, - has: proto.has, - add: function(value) { - value += ""; - this[prefix + value] = value; - return this; - }, - remove: proto.remove, - clear: proto.clear, - values: proto.keys, - size: proto.size, - empty: proto.empty, - each: proto.each -}; - -function set$2(object, f) { - var set = new Set; - - // Copy constructor. - if (object instanceof Set) object.each(function(value) { set.add(value); }); - - // Otherwise, assume it’s an array. - else if (object) { - var i = -1, n = object.length; - if (f == null) while (++i < n) set.add(object[i]); - else while (++i < n) set.add(f(object[i], i, object)); - } - - return set; -} - -function keys(map) { - var keys = []; - for (var key in map) keys.push(key); - return keys; +function ribbon$1() { + return ribbon(); } -function values(map) { - var values = []; - for (var key in map) values.push(map[key]); - return values; -} - -function entries(map) { - var entries = []; - for (var key in map) entries.push({key: key, value: map[key]}); - return entries; +function ribbonArrow() { + return ribbon(defaultArrowheadRadius); } var array$2 = Array.prototype; -var slice$3 = array$2.slice; +var slice$1 = array$2.slice; -function ascending$2(a, b) { +function ascending$1(a, b) { return a - b; } -function area(ring) { +function area$3(ring) { var i = 0, n = ring.length, area = ring[n - 1][1] * ring[0][0] - ring[n - 1][0] * ring[0][1]; while (++i < n) area += ring[i - 1][1] * ring[i][0] - ring[i - 1][0] * ring[i][1]; return area; } -function constant$6(x) { - return function() { - return x; - }; -} +var constant$5 = x => () => x; -function contains(ring, hole) { +function contains$2(ring, hole) { var i = -1, n = hole.length, c; while (++i < n) if (c = ringContains(ring, hole[i])) return c; return 0; @@ -5508,10 +6015,10 @@ function ringContains(ring, point) { } function segmentContains(a, b, c) { - var i; return collinear(a, b, c) && within(a[i = +(a[0] === b[0])], c[i], b[i]); + var i; return collinear$1(a, b, c) && within(a[i = +(a[0] === b[0])], c[i], b[i]); } -function collinear(a, b, c) { +function collinear$1(a, b, c) { return (b[0] - a[0]) * (c[1] - a[1]) === (c[0] - a[0]) * (b[1] - a[1]); } @@ -5519,7 +6026,7 @@ function within(p, q, r) { return p <= q && q <= r || r <= q && q <= p; } -function noop$1() {} +function noop$2() {} var cases = [ [], @@ -5551,11 +6058,11 @@ function contours() { // Convert number of thresholds into uniform thresholds. if (!Array.isArray(tz)) { - var domain = extent(values), start = domain[0], stop = domain[1]; + var domain = extent$1(values), start = domain[0], stop = domain[1]; tz = tickStep(start, stop, tz); tz = sequence(Math.floor(start / tz) * tz, Math.floor(stop / tz) * tz, tz); } else { - tz = tz.slice().sort(ascending$2); + tz = tz.slice().sort(ascending$1); } return tz.map(function(value) { @@ -5571,13 +6078,13 @@ function contours() { isorings(values, value, function(ring) { smooth(ring, values, value); - if (area(ring) > 0) polygons.push([ring]); + if (area$3(ring) > 0) polygons.push([ring]); else holes.push(ring); }); holes.forEach(function(hole) { for (var i = 0, n = polygons.length, polygon; i < n; ++i) { - if (contains((polygon = polygons[i])[0], hole) !== -1) { + if (contains$2((polygon = polygons[i])[0], hole) !== -1) { polygon.push(hole); return; } @@ -5701,17 +6208,17 @@ function contours() { contours.size = function(_) { if (!arguments.length) return [dx, dy]; - var _0 = Math.ceil(_[0]), _1 = Math.ceil(_[1]); - if (!(_0 > 0) || !(_1 > 0)) throw new Error("invalid size"); + var _0 = Math.floor(_[0]), _1 = Math.floor(_[1]); + if (!(_0 >= 0 && _1 >= 0)) throw new Error("invalid size"); return dx = _0, dy = _1, contours; }; contours.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), contours) : threshold; + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$5(slice$1.call(_)) : constant$5(_), contours) : threshold; }; contours.smooth = function(_) { - return arguments.length ? (smooth = _ ? smoothLinear : noop$1, contours) : smooth === smoothLinear; + return arguments.length ? (smooth = _ ? smoothLinear : noop$2, contours) : smooth === smoothLinear; }; return contours; @@ -5761,11 +6268,11 @@ function blurY(source, target, r) { } } -function defaultX(d) { +function defaultX$1(d) { return d[0]; } -function defaultY(d) { +function defaultY$1(d) { return d[1]; } @@ -5774,8 +6281,8 @@ function defaultWeight() { } function density() { - var x = defaultX, - y = defaultY, + var x = defaultX$1, + y = defaultY$1, weight = defaultWeight, dx = 960, dy = 500, @@ -5784,7 +6291,7 @@ function density() { o = r * 3, // grid offset, to pad for blur n = (dx + o * 2) >> k, // grid width m = (dy + o * 2) >> k, // grid height - threshold = constant$6(20); + threshold = constant$5(20); function density(data) { var values0 = new Float32Array(n * m), @@ -5811,7 +6318,7 @@ function density() { // Convert number of thresholds into uniform thresholds. if (!Array.isArray(tz)) { - var stop = max(values0); + var stop = max$3(values0); tz = tickStep(0, stop, tz); tz = sequence(0, Math.floor(stop / tz) * tz, tz); tz.shift(); @@ -5852,21 +6359,21 @@ function density() { } density.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$6(+_), density) : x; + return arguments.length ? (x = typeof _ === "function" ? _ : constant$5(+_), density) : x; }; density.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), density) : y; + return arguments.length ? (y = typeof _ === "function" ? _ : constant$5(+_), density) : y; }; density.weight = function(_) { - return arguments.length ? (weight = typeof _ === "function" ? _ : constant$6(+_), density) : weight; + return arguments.length ? (weight = typeof _ === "function" ? _ : constant$5(+_), density) : weight; }; density.size = function(_) { if (!arguments.length) return [dx, dy]; - var _0 = Math.ceil(_[0]), _1 = Math.ceil(_[1]); - if (!(_0 >= 0) && !(_0 >= 0)) throw new Error("invalid size"); + var _0 = +_[0], _1 = +_[1]; + if (!(_0 >= 0 && _1 >= 0)) throw new Error("invalid size"); return dx = _0, dy = _1, resize(); }; @@ -5877,7 +6384,7 @@ function density() { }; density.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), density) : threshold; + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$5(slice$1.call(_)) : constant$5(_), density) : threshold; }; density.bandwidth = function(_) { @@ -5889,4279 +6396,5374 @@ function density() { return density; } -var EOL = {}, - EOF = {}, - QUOTE = 34, - NEWLINE = 10, - RETURN = 13; +const EPSILON = Math.pow(2, -52); +const EDGE_STACK = new Uint32Array(512); -function objectConverter(columns) { - return new Function("d", "return {" + columns.map(function(name, i) { - return JSON.stringify(name) + ": d[" + i + "] || \"\""; - }).join(",") + "}"); -} +class Delaunator { -function customConverter(columns, f) { - var object = objectConverter(columns); - return function(row, i) { - return f(object(row), i, columns); - }; -} + static from(points, getX = defaultGetX, getY = defaultGetY) { + const n = points.length; + const coords = new Float64Array(n * 2); -// Compute unique columns in order of discovery. -function inferColumns(rows) { - var columnSet = Object.create(null), - columns = []; + for (let i = 0; i < n; i++) { + const p = points[i]; + coords[2 * i] = getX(p); + coords[2 * i + 1] = getY(p); + } - rows.forEach(function(row) { - for (var column in row) { - if (!(column in columnSet)) { - columns.push(columnSet[column] = column); - } + return new Delaunator(coords); } - }); - return columns; -} + constructor(coords) { + const n = coords.length >> 1; + if (n > 0 && typeof coords[0] !== 'number') throw new Error('Expected coords to contain numbers.'); -function pad(value, width) { - var s = value + "", length = s.length; - return length < width ? new Array(width - length + 1).join(0) + s : s; -} + this.coords = coords; -function formatYear(year) { - return year < 0 ? "-" + pad(-year, 6) - : year > 9999 ? "+" + pad(year, 6) - : pad(year, 4); -} + // arrays that will store the triangulation graph + const maxTriangles = Math.max(2 * n - 5, 0); + this._triangles = new Uint32Array(maxTriangles * 3); + this._halfedges = new Int32Array(maxTriangles * 3); -function formatDate(date) { - var hours = date.getUTCHours(), - minutes = date.getUTCMinutes(), - seconds = date.getUTCSeconds(), - milliseconds = date.getUTCMilliseconds(); - return isNaN(date) ? "Invalid Date" - : formatYear(date.getUTCFullYear()) + "-" + pad(date.getUTCMonth() + 1, 2) + "-" + pad(date.getUTCDate(), 2) - + (milliseconds ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + ":" + pad(seconds, 2) + "." + pad(milliseconds, 3) + "Z" - : seconds ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + ":" + pad(seconds, 2) + "Z" - : minutes || hours ? "T" + pad(hours, 2) + ":" + pad(minutes, 2) + "Z" - : ""); -} + // temporary arrays for tracking the edges of the advancing convex hull + this._hashSize = Math.ceil(Math.sqrt(n)); + this._hullPrev = new Uint32Array(n); // edge to prev edge + this._hullNext = new Uint32Array(n); // edge to next edge + this._hullTri = new Uint32Array(n); // edge to adjacent triangle + this._hullHash = new Int32Array(this._hashSize).fill(-1); // angular edge hash -function dsvFormat(delimiter) { - var reFormat = new RegExp("[\"" + delimiter + "\n\r]"), - DELIMITER = delimiter.charCodeAt(0); + // temporary arrays for sorting points + this._ids = new Uint32Array(n); + this._dists = new Float64Array(n); - function parse(text, f) { - var convert, columns, rows = parseRows(text, function(row, i) { - if (convert) return convert(row, i - 1); - columns = row, convert = f ? customConverter(row, f) : objectConverter(row); - }); - rows.columns = columns || []; - return rows; - } - - function parseRows(text, f) { - var rows = [], // output rows - N = text.length, - I = 0, // current character index - n = 0, // current line number - t, // current token - eof = N <= 0, // current token followed by EOF? - eol = false; // current token followed by EOL? + this.update(); + } - // Strip the trailing newline. - if (text.charCodeAt(N - 1) === NEWLINE) --N; - if (text.charCodeAt(N - 1) === RETURN) --N; + update() { + const {coords, _hullPrev: hullPrev, _hullNext: hullNext, _hullTri: hullTri, _hullHash: hullHash} = this; + const n = coords.length >> 1; - function token() { - if (eof) return EOF; - if (eol) return eol = false, EOL; + // populate an array of point indices; calculate input data bbox + let minX = Infinity; + let minY = Infinity; + let maxX = -Infinity; + let maxY = -Infinity; - // Unescape quotes. - var i, j = I, c; - if (text.charCodeAt(j) === QUOTE) { - while (I++ < N && text.charCodeAt(I) !== QUOTE || text.charCodeAt(++I) === QUOTE); - if ((i = I) >= N) eof = true; - else if ((c = text.charCodeAt(I++)) === NEWLINE) eol = true; - else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } - return text.slice(j + 1, i - 1).replace(/""/g, "\""); - } + for (let i = 0; i < n; i++) { + const x = coords[2 * i]; + const y = coords[2 * i + 1]; + if (x < minX) minX = x; + if (y < minY) minY = y; + if (x > maxX) maxX = x; + if (y > maxY) maxY = y; + this._ids[i] = i; + } + const cx = (minX + maxX) / 2; + const cy = (minY + maxY) / 2; + + let minDist = Infinity; + let i0, i1, i2; + + // pick a seed point close to the center + for (let i = 0; i < n; i++) { + const d = dist(cx, cy, coords[2 * i], coords[2 * i + 1]); + if (d < minDist) { + i0 = i; + minDist = d; + } + } + const i0x = coords[2 * i0]; + const i0y = coords[2 * i0 + 1]; + + minDist = Infinity; + + // find the point closest to the seed + for (let i = 0; i < n; i++) { + if (i === i0) continue; + const d = dist(i0x, i0y, coords[2 * i], coords[2 * i + 1]); + if (d < minDist && d > 0) { + i1 = i; + minDist = d; + } + } + let i1x = coords[2 * i1]; + let i1y = coords[2 * i1 + 1]; + + let minRadius = Infinity; + + // find the third point which forms the smallest circumcircle with the first two + for (let i = 0; i < n; i++) { + if (i === i0 || i === i1) continue; + const r = circumradius(i0x, i0y, i1x, i1y, coords[2 * i], coords[2 * i + 1]); + if (r < minRadius) { + i2 = i; + minRadius = r; + } + } + let i2x = coords[2 * i2]; + let i2y = coords[2 * i2 + 1]; + + if (minRadius === Infinity) { + // order collinear points by dx (or dy if all x are identical) + // and return the list as a hull + for (let i = 0; i < n; i++) { + this._dists[i] = (coords[2 * i] - coords[0]) || (coords[2 * i + 1] - coords[1]); + } + quicksort(this._ids, this._dists, 0, n - 1); + const hull = new Uint32Array(n); + let j = 0; + for (let i = 0, d0 = -Infinity; i < n; i++) { + const id = this._ids[i]; + if (this._dists[id] > d0) { + hull[j++] = id; + d0 = this._dists[id]; + } + } + this.hull = hull.subarray(0, j); + this.triangles = new Uint32Array(0); + this.halfedges = new Uint32Array(0); + return; + } - // Find next delimiter or newline. - while (I < N) { - if ((c = text.charCodeAt(i = I++)) === NEWLINE) eol = true; - else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } - else if (c !== DELIMITER) continue; - return text.slice(j, i); - } + // swap the order of the seed points for counter-clockwise orientation + if (orient(i0x, i0y, i1x, i1y, i2x, i2y)) { + const i = i1; + const x = i1x; + const y = i1y; + i1 = i2; + i1x = i2x; + i1y = i2y; + i2 = i; + i2x = x; + i2y = y; + } - // Return last token before EOF. - return eof = true, text.slice(j, N); - } + const center = circumcenter(i0x, i0y, i1x, i1y, i2x, i2y); + this._cx = center.x; + this._cy = center.y; - while ((t = token()) !== EOF) { - var row = []; - while (t !== EOL && t !== EOF) row.push(t), t = token(); - if (f && (row = f(row, n++)) == null) continue; - rows.push(row); - } + for (let i = 0; i < n; i++) { + this._dists[i] = dist(coords[2 * i], coords[2 * i + 1], center.x, center.y); + } - return rows; - } + // sort the points by distance from the seed triangle circumcenter + quicksort(this._ids, this._dists, 0, n - 1); - function preformatBody(rows, columns) { - return rows.map(function(row) { - return columns.map(function(column) { - return formatValue(row[column]); - }).join(delimiter); - }); - } + // set up the seed triangle as the starting hull + this._hullStart = i0; + let hullSize = 3; - function format(rows, columns) { - if (columns == null) columns = inferColumns(rows); - return [columns.map(formatValue).join(delimiter)].concat(preformatBody(rows, columns)).join("\n"); - } + hullNext[i0] = hullPrev[i2] = i1; + hullNext[i1] = hullPrev[i0] = i2; + hullNext[i2] = hullPrev[i1] = i0; - function formatBody(rows, columns) { - if (columns == null) columns = inferColumns(rows); - return preformatBody(rows, columns).join("\n"); - } + hullTri[i0] = 0; + hullTri[i1] = 1; + hullTri[i2] = 2; - function formatRows(rows) { - return rows.map(formatRow).join("\n"); - } + hullHash.fill(-1); + hullHash[this._hashKey(i0x, i0y)] = i0; + hullHash[this._hashKey(i1x, i1y)] = i1; + hullHash[this._hashKey(i2x, i2y)] = i2; - function formatRow(row) { - return row.map(formatValue).join(delimiter); - } + this.trianglesLen = 0; + this._addTriangle(i0, i1, i2, -1, -1, -1); - function formatValue(value) { - return value == null ? "" - : value instanceof Date ? formatDate(value) - : reFormat.test(value += "") ? "\"" + value.replace(/"/g, "\"\"") + "\"" - : value; - } + for (let k = 0, xp, yp; k < this._ids.length; k++) { + const i = this._ids[k]; + const x = coords[2 * i]; + const y = coords[2 * i + 1]; - return { - parse: parse, - parseRows: parseRows, - format: format, - formatBody: formatBody, - formatRows: formatRows, - formatRow: formatRow, - formatValue: formatValue - }; -} + // skip near-duplicate points + if (k > 0 && Math.abs(x - xp) <= EPSILON && Math.abs(y - yp) <= EPSILON) continue; + xp = x; + yp = y; -var csv = dsvFormat(","); + // skip seed triangle points + if (i === i0 || i === i1 || i === i2) continue; -var csvParse = csv.parse; -var csvParseRows = csv.parseRows; -var csvFormat = csv.format; -var csvFormatBody = csv.formatBody; -var csvFormatRows = csv.formatRows; -var csvFormatRow = csv.formatRow; -var csvFormatValue = csv.formatValue; + // find a visible edge on the convex hull using edge hash + let start = 0; + for (let j = 0, key = this._hashKey(x, y); j < this._hashSize; j++) { + start = hullHash[(key + j) % this._hashSize]; + if (start !== -1 && start !== hullNext[start]) break; + } -var tsv = dsvFormat("\t"); + start = hullPrev[start]; + let e = start, q; + while (q = hullNext[e], !orient(x, y, coords[2 * e], coords[2 * e + 1], coords[2 * q], coords[2 * q + 1])) { + e = q; + if (e === start) { + e = -1; + break; + } + } + if (e === -1) continue; // likely a near-duplicate point; skip it + + // add the first triangle from the point + let t = this._addTriangle(e, i, hullNext[e], -1, -1, hullTri[e]); + + // recursively flip triangles from the point until they satisfy the Delaunay condition + hullTri[i] = this._legalize(t + 2); + hullTri[e] = t; // keep track of boundary triangles on the hull + hullSize++; + + // walk forward through the hull, adding more triangles and flipping recursively + let n = hullNext[e]; + while (q = hullNext[n], orient(x, y, coords[2 * n], coords[2 * n + 1], coords[2 * q], coords[2 * q + 1])) { + t = this._addTriangle(n, i, q, hullTri[i], -1, hullTri[n]); + hullTri[i] = this._legalize(t + 2); + hullNext[n] = n; // mark as removed + hullSize--; + n = q; + } -var tsvParse = tsv.parse; -var tsvParseRows = tsv.parseRows; -var tsvFormat = tsv.format; -var tsvFormatBody = tsv.formatBody; -var tsvFormatRows = tsv.formatRows; -var tsvFormatRow = tsv.formatRow; -var tsvFormatValue = tsv.formatValue; + // walk backward from the other side, adding more triangles and flipping + if (e === start) { + while (q = hullPrev[e], orient(x, y, coords[2 * q], coords[2 * q + 1], coords[2 * e], coords[2 * e + 1])) { + t = this._addTriangle(q, i, e, -1, hullTri[e], hullTri[q]); + this._legalize(t + 2); + hullTri[q] = t; + hullNext[e] = e; // mark as removed + hullSize--; + e = q; + } + } -function autoType(object) { - for (var key in object) { - var value = object[key].trim(), number, m; - if (!value) value = null; - else if (value === "true") value = true; - else if (value === "false") value = false; - else if (value === "NaN") value = NaN; - else if (!isNaN(number = +value)) value = number; - else if (m = value.match(/^([-+]\d{2})?\d{4}(-\d{2}(-\d{2})?)?(T\d{2}:\d{2}(:\d{2}(\.\d{3})?)?(Z|[-+]\d{2}:\d{2})?)?$/)) { - if (fixtz && !!m[4] && !m[7]) value = value.replace(/-/g, "/").replace(/T/, " "); - value = new Date(value); - } - else continue; - object[key] = value; - } - return object; -} + // update the hull indices + this._hullStart = hullPrev[i] = e; + hullNext[e] = hullPrev[n] = i; + hullNext[i] = n; -// https://github.com/d3/d3-dsv/issues/45 -var fixtz = new Date("2019-01-01T00:00").getHours() || new Date("2019-07-01T00:00").getHours(); + // save the two new edges in the hash table + hullHash[this._hashKey(x, y)] = i; + hullHash[this._hashKey(coords[2 * e], coords[2 * e + 1])] = e; + } -function responseBlob(response) { - if (!response.ok) throw new Error(response.status + " " + response.statusText); - return response.blob(); -} + this.hull = new Uint32Array(hullSize); + for (let i = 0, e = this._hullStart; i < hullSize; i++) { + this.hull[i] = e; + e = hullNext[e]; + } -function blob(input, init) { - return fetch(input, init).then(responseBlob); -} + // trim typed triangle mesh arrays + this.triangles = this._triangles.subarray(0, this.trianglesLen); + this.halfedges = this._halfedges.subarray(0, this.trianglesLen); + } + + _hashKey(x, y) { + return Math.floor(pseudoAngle(x - this._cx, y - this._cy) * this._hashSize) % this._hashSize; + } + + _legalize(a) { + const {_triangles: triangles, _halfedges: halfedges, coords} = this; + + let i = 0; + let ar = 0; + + // recursion eliminated with a fixed-size stack + while (true) { + const b = halfedges[a]; + + /* if the pair of triangles doesn't satisfy the Delaunay condition + * (p1 is inside the circumcircle of [p0, pl, pr]), flip them, + * then do the same check/flip recursively for the new pair of triangles + * + * pl pl + * /||\ / \ + * al/ || \bl al/ \a + * / || \ / \ + * / a||b \ flip /___ar___\ + * p0\ || /p1 => p0\---bl---/p1 + * \ || / \ / + * ar\ || /br b\ /br + * \||/ \ / + * pr pr + */ + const a0 = a - a % 3; + ar = a0 + (a + 2) % 3; + + if (b === -1) { // convex hull edge + if (i === 0) break; + a = EDGE_STACK[--i]; + continue; + } -function responseArrayBuffer(response) { - if (!response.ok) throw new Error(response.status + " " + response.statusText); - return response.arrayBuffer(); -} + const b0 = b - b % 3; + const al = a0 + (a + 1) % 3; + const bl = b0 + (b + 2) % 3; + + const p0 = triangles[ar]; + const pr = triangles[a]; + const pl = triangles[al]; + const p1 = triangles[bl]; + + const illegal = inCircle( + coords[2 * p0], coords[2 * p0 + 1], + coords[2 * pr], coords[2 * pr + 1], + coords[2 * pl], coords[2 * pl + 1], + coords[2 * p1], coords[2 * p1 + 1]); + + if (illegal) { + triangles[a] = p1; + triangles[b] = p0; + + const hbl = halfedges[bl]; + + // edge swapped on the other side of the hull (rare); fix the halfedge reference + if (hbl === -1) { + let e = this._hullStart; + do { + if (this._hullTri[e] === bl) { + this._hullTri[e] = a; + break; + } + e = this._hullPrev[e]; + } while (e !== this._hullStart); + } + this._link(a, hbl); + this._link(b, halfedges[ar]); + this._link(ar, bl); + + const br = b0 + (b + 1) % 3; + + // don't worry about hitting the cap: it can only happen on extremely degenerate input + if (i < EDGE_STACK.length) { + EDGE_STACK[i++] = br; + } + } else { + if (i === 0) break; + a = EDGE_STACK[--i]; + } + } -function buffer(input, init) { - return fetch(input, init).then(responseArrayBuffer); -} + return ar; + } -function responseText(response) { - if (!response.ok) throw new Error(response.status + " " + response.statusText); - return response.text(); -} + _link(a, b) { + this._halfedges[a] = b; + if (b !== -1) this._halfedges[b] = a; + } -function text(input, init) { - return fetch(input, init).then(responseText); -} + // add a new triangle given vertex indices and adjacent half-edge ids + _addTriangle(i0, i1, i2, a, b, c) { + const t = this.trianglesLen; -function dsvParse(parse) { - return function(input, init, row) { - if (arguments.length === 2 && typeof init === "function") row = init, init = undefined; - return text(input, init).then(function(response) { - return parse(response, row); - }); - }; -} + this._triangles[t] = i0; + this._triangles[t + 1] = i1; + this._triangles[t + 2] = i2; -function dsv(delimiter, input, init, row) { - if (arguments.length === 3 && typeof init === "function") row = init, init = undefined; - var format = dsvFormat(delimiter); - return text(input, init).then(function(response) { - return format.parse(response, row); - }); -} + this._link(t, a); + this._link(t + 1, b); + this._link(t + 2, c); -var csv$1 = dsvParse(csvParse); -var tsv$1 = dsvParse(tsvParse); + this.trianglesLen += 3; -function image(input, init) { - return new Promise(function(resolve, reject) { - var image = new Image; - for (var key in init) image[key] = init[key]; - image.onerror = reject; - image.onload = function() { resolve(image); }; - image.src = input; - }); + return t; + } } -function responseJson(response) { - if (!response.ok) throw new Error(response.status + " " + response.statusText); - return response.json(); +// monotonically increases with real angle, but doesn't need expensive trigonometry +function pseudoAngle(dx, dy) { + const p = dx / (Math.abs(dx) + Math.abs(dy)); + return (dy > 0 ? 3 - p : 1 + p) / 4; // [0..1] } -function json(input, init) { - return fetch(input, init).then(responseJson); +function dist(ax, ay, bx, by) { + const dx = ax - bx; + const dy = ay - by; + return dx * dx + dy * dy; } -function parser(type) { - return function(input, init) { - return text(input, init).then(function(text) { - return (new DOMParser).parseFromString(text, type); - }); - }; +// return 2d orientation sign if we're confident in it through J. Shewchuk's error bound check +function orientIfSure(px, py, rx, ry, qx, qy) { + const l = (ry - py) * (qx - px); + const r = (rx - px) * (qy - py); + return Math.abs(l - r) >= 3.3306690738754716e-16 * Math.abs(l + r) ? l - r : 0; } -var xml = parser("application/xml"); +// a more robust orientation test that's stable in a given triangle (to fix robustness issues) +function orient(rx, ry, qx, qy, px, py) { + const sign = orientIfSure(px, py, rx, ry, qx, qy) || + orientIfSure(rx, ry, qx, qy, px, py) || + orientIfSure(qx, qy, px, py, rx, ry); + return sign < 0; +} -var html = parser("text/html"); +function inCircle(ax, ay, bx, by, cx, cy, px, py) { + const dx = ax - px; + const dy = ay - py; + const ex = bx - px; + const ey = by - py; + const fx = cx - px; + const fy = cy - py; -var svg = parser("image/svg+xml"); + const ap = dx * dx + dy * dy; + const bp = ex * ex + ey * ey; + const cp = fx * fx + fy * fy; -function center$1(x, y) { - var nodes; + return dx * (ey * cp - bp * fy) - + dy * (ex * cp - bp * fx) + + ap * (ex * fy - ey * fx) < 0; +} - if (x == null) x = 0; - if (y == null) y = 0; +function circumradius(ax, ay, bx, by, cx, cy) { + const dx = bx - ax; + const dy = by - ay; + const ex = cx - ax; + const ey = cy - ay; - function force() { - var i, - n = nodes.length, - node, - sx = 0, - sy = 0; + const bl = dx * dx + dy * dy; + const cl = ex * ex + ey * ey; + const d = 0.5 / (dx * ey - dy * ex); - for (i = 0; i < n; ++i) { - node = nodes[i], sx += node.x, sy += node.y; - } + const x = (ey * bl - dy * cl) * d; + const y = (dx * cl - ex * bl) * d; - for (sx = sx / n - x, sy = sy / n - y, i = 0; i < n; ++i) { - node = nodes[i], node.x -= sx, node.y -= sy; - } - } + return x * x + y * y; +} - force.initialize = function(_) { - nodes = _; - }; +function circumcenter(ax, ay, bx, by, cx, cy) { + const dx = bx - ax; + const dy = by - ay; + const ex = cx - ax; + const ey = cy - ay; - force.x = function(_) { - return arguments.length ? (x = +_, force) : x; - }; + const bl = dx * dx + dy * dy; + const cl = ex * ex + ey * ey; + const d = 0.5 / (dx * ey - dy * ex); - force.y = function(_) { - return arguments.length ? (y = +_, force) : y; - }; + const x = ax + (ey * bl - dy * cl) * d; + const y = ay + (dx * cl - ex * bl) * d; - return force; + return {x, y}; } -function constant$7(x) { - return function() { - return x; - }; -} +function quicksort(ids, dists, left, right) { + if (right - left <= 20) { + for (let i = left + 1; i <= right; i++) { + const temp = ids[i]; + const tempDist = dists[temp]; + let j = i - 1; + while (j >= left && dists[ids[j]] > tempDist) ids[j + 1] = ids[j--]; + ids[j + 1] = temp; + } + } else { + const median = (left + right) >> 1; + let i = left + 1; + let j = right; + swap(ids, median, i); + if (dists[ids[left]] > dists[ids[right]]) swap(ids, left, right); + if (dists[ids[i]] > dists[ids[right]]) swap(ids, i, right); + if (dists[ids[left]] > dists[ids[i]]) swap(ids, left, i); + + const temp = ids[i]; + const tempDist = dists[temp]; + while (true) { + do i++; while (dists[ids[i]] < tempDist); + do j--; while (dists[ids[j]] > tempDist); + if (j < i) break; + swap(ids, i, j); + } + ids[left + 1] = ids[j]; + ids[j] = temp; -function jiggle() { - return (Math.random() - 0.5) * 1e-6; + if (right - i + 1 >= j - left) { + quicksort(ids, dists, i, right); + quicksort(ids, dists, left, j - 1); + } else { + quicksort(ids, dists, left, j - 1); + quicksort(ids, dists, i, right); + } + } } -function tree_add(d) { - var x = +this._x.call(null, d), - y = +this._y.call(null, d); - return add(this.cover(x, y), x, y, d); +function swap(arr, i, j) { + const tmp = arr[i]; + arr[i] = arr[j]; + arr[j] = tmp; } -function add(tree, x, y, d) { - if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points - - var parent, - node = tree._root, - leaf = {data: d}, - x0 = tree._x0, - y0 = tree._y0, - x1 = tree._x1, - y1 = tree._y1, - xm, - ym, - xp, - yp, - right, - bottom, - i, - j; +function defaultGetX(p) { + return p[0]; +} +function defaultGetY(p) { + return p[1]; +} - // If the tree is empty, initialize the root as a leaf. - if (!node) return tree._root = leaf, tree; +const epsilon$2 = 1e-6; - // Find the existing leaf for the new point, or add it. - while (node.length) { - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree; +class Path { + constructor() { + this._x0 = this._y0 = // start of current subpath + this._x1 = this._y1 = null; // end of current subpath + this._ = ""; + } + moveTo(x, y) { + this._ += `M${this._x0 = this._x1 = +x},${this._y0 = this._y1 = +y}`; + } + closePath() { + if (this._x1 !== null) { + this._x1 = this._x0, this._y1 = this._y0; + this._ += "Z"; + } + } + lineTo(x, y) { + this._ += `L${this._x1 = +x},${this._y1 = +y}`; + } + arc(x, y, r) { + x = +x, y = +y, r = +r; + const x0 = x + r; + const y0 = y; + if (r < 0) throw new Error("negative radius"); + if (this._x1 === null) this._ += `M${x0},${y0}`; + else if (Math.abs(this._x1 - x0) > epsilon$2 || Math.abs(this._y1 - y0) > epsilon$2) this._ += "L" + x0 + "," + y0; + if (!r) return; + this._ += `A${r},${r},0,1,1,${x - r},${y}A${r},${r},0,1,1,${this._x1 = x0},${this._y1 = y0}`; + } + rect(x, y, w, h) { + this._ += `M${this._x0 = this._x1 = +x},${this._y0 = this._y1 = +y}h${+w}v${+h}h${-w}Z`; + } + value() { + return this._ || null; } - - // Is the new point is exactly coincident with the existing point? - xp = +tree._x.call(null, node.data); - yp = +tree._y.call(null, node.data); - if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree; - - // Otherwise, split the leaf node until the old and new point are separated. - do { - parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4); - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm))); - return parent[j] = node, parent[i] = leaf, tree; } -function addAll(data) { - var d, i, n = data.length, - x, - y, - xz = new Array(n), - yz = new Array(n), - x0 = Infinity, - y0 = Infinity, - x1 = -Infinity, - y1 = -Infinity; - - // Compute the points and their extent. - for (i = 0; i < n; ++i) { - if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue; - xz[i] = x; - yz[i] = y; - if (x < x0) x0 = x; - if (x > x1) x1 = x; - if (y < y0) y0 = y; - if (y > y1) y1 = y; +class Polygon { + constructor() { + this._ = []; } - - // If there were no (valid) points, abort. - if (x0 > x1 || y0 > y1) return this; - - // Expand the tree to cover the new points. - this.cover(x0, y0).cover(x1, y1); - - // Add the new points. - for (i = 0; i < n; ++i) { - add(this, xz[i], yz[i], data[i]); + moveTo(x, y) { + this._.push([x, y]); + } + closePath() { + this._.push(this._[0].slice()); + } + lineTo(x, y) { + this._.push([x, y]); + } + value() { + return this._.length ? this._ : null; } - - return this; } -function tree_cover(x, y) { - if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points - - var x0 = this._x0, - y0 = this._y0, - x1 = this._x1, - y1 = this._y1; - - // If the quadtree has no extent, initialize them. - // Integer extent are necessary so that if we later double the extent, - // the existing quadrant boundaries don’t change due to floating point error! - if (isNaN(x0)) { - x1 = (x0 = Math.floor(x)) + 1; - y1 = (y0 = Math.floor(y)) + 1; +class Voronoi { + constructor(delaunay, [xmin, ymin, xmax, ymax] = [0, 0, 960, 500]) { + if (!((xmax = +xmax) >= (xmin = +xmin)) || !((ymax = +ymax) >= (ymin = +ymin))) throw new Error("invalid bounds"); + this.delaunay = delaunay; + this._circumcenters = new Float64Array(delaunay.points.length * 2); + this.vectors = new Float64Array(delaunay.points.length * 2); + this.xmax = xmax, this.xmin = xmin; + this.ymax = ymax, this.ymin = ymin; + this._init(); } - - // Otherwise, double repeatedly to cover. - else { - var z = x1 - x0, - node = this._root, - parent, - i; - - while (x0 > x || x >= x1 || y0 > y || y >= y1) { - i = (y < y0) << 1 | (x < x0); - parent = new Array(4), parent[i] = node, node = parent, z *= 2; - switch (i) { - case 0: x1 = x0 + z, y1 = y0 + z; break; - case 1: x0 = x1 - z, y1 = y0 + z; break; - case 2: x1 = x0 + z, y0 = y1 - z; break; - case 3: x0 = x1 - z, y0 = y1 - z; break; + update() { + this.delaunay.update(); + this._init(); + return this; + } + _init() { + const {delaunay: {points, hull, triangles}, vectors} = this; + + // Compute circumcenters. + const circumcenters = this.circumcenters = this._circumcenters.subarray(0, triangles.length / 3 * 2); + for (let i = 0, j = 0, n = triangles.length, x, y; i < n; i += 3, j += 2) { + const t1 = triangles[i] * 2; + const t2 = triangles[i + 1] * 2; + const t3 = triangles[i + 2] * 2; + const x1 = points[t1]; + const y1 = points[t1 + 1]; + const x2 = points[t2]; + const y2 = points[t2 + 1]; + const x3 = points[t3]; + const y3 = points[t3 + 1]; + + const dx = x2 - x1; + const dy = y2 - y1; + const ex = x3 - x1; + const ey = y3 - y1; + const bl = dx * dx + dy * dy; + const cl = ex * ex + ey * ey; + const ab = (dx * ey - dy * ex) * 2; + + if (!ab) { + // degenerate case (collinear diagram) + x = (x1 + x3) / 2 - 1e8 * ey; + y = (y1 + y3) / 2 + 1e8 * ex; + } + else if (Math.abs(ab) < 1e-8) { + // almost equal points (degenerate triangle) + x = (x1 + x3) / 2; + y = (y1 + y3) / 2; + } else { + const d = 1 / ab; + x = x1 + (ey * bl - dy * cl) * d; + y = y1 + (dx * cl - ex * bl) * d; + } + circumcenters[j] = x; + circumcenters[j + 1] = y; + } + + // Compute exterior cell rays. + let h = hull[hull.length - 1]; + let p0, p1 = h * 4; + let x0, x1 = points[2 * h]; + let y0, y1 = points[2 * h + 1]; + vectors.fill(0); + for (let i = 0; i < hull.length; ++i) { + h = hull[i]; + p0 = p1, x0 = x1, y0 = y1; + p1 = h * 4, x1 = points[2 * h], y1 = points[2 * h + 1]; + vectors[p0 + 2] = vectors[p1] = y0 - y1; + vectors[p0 + 3] = vectors[p1 + 1] = x1 - x0; + } + } + render(context) { + const buffer = context == null ? context = new Path : undefined; + const {delaunay: {halfedges, inedges, hull}, circumcenters, vectors} = this; + if (hull.length <= 1) return null; + for (let i = 0, n = halfedges.length; i < n; ++i) { + const j = halfedges[i]; + if (j < i) continue; + const ti = Math.floor(i / 3) * 2; + const tj = Math.floor(j / 3) * 2; + const xi = circumcenters[ti]; + const yi = circumcenters[ti + 1]; + const xj = circumcenters[tj]; + const yj = circumcenters[tj + 1]; + this._renderSegment(xi, yi, xj, yj, context); + } + let h0, h1 = hull[hull.length - 1]; + for (let i = 0; i < hull.length; ++i) { + h0 = h1, h1 = hull[i]; + const t = Math.floor(inedges[h1] / 3) * 2; + const x = circumcenters[t]; + const y = circumcenters[t + 1]; + const v = h0 * 4; + const p = this._project(x, y, vectors[v + 2], vectors[v + 3]); + if (p) this._renderSegment(x, y, p[0], p[1], context); + } + return buffer && buffer.value(); + } + renderBounds(context) { + const buffer = context == null ? context = new Path : undefined; + context.rect(this.xmin, this.ymin, this.xmax - this.xmin, this.ymax - this.ymin); + return buffer && buffer.value(); + } + renderCell(i, context) { + const buffer = context == null ? context = new Path : undefined; + const points = this._clip(i); + if (points === null || !points.length) return; + context.moveTo(points[0], points[1]); + let n = points.length; + while (points[0] === points[n-2] && points[1] === points[n-1] && n > 1) n -= 2; + for (let i = 2; i < n; i += 2) { + if (points[i] !== points[i-2] || points[i+1] !== points[i-1]) + context.lineTo(points[i], points[i + 1]); + } + context.closePath(); + return buffer && buffer.value(); + } + *cellPolygons() { + const {delaunay: {points}} = this; + for (let i = 0, n = points.length / 2; i < n; ++i) { + const cell = this.cellPolygon(i); + if (cell) cell.index = i, yield cell; + } + } + cellPolygon(i) { + const polygon = new Polygon; + this.renderCell(i, polygon); + return polygon.value(); + } + _renderSegment(x0, y0, x1, y1, context) { + let S; + const c0 = this._regioncode(x0, y0); + const c1 = this._regioncode(x1, y1); + if (c0 === 0 && c1 === 0) { + context.moveTo(x0, y0); + context.lineTo(x1, y1); + } else if (S = this._clipSegment(x0, y0, x1, y1, c0, c1)) { + context.moveTo(S[0], S[1]); + context.lineTo(S[2], S[3]); + } + } + contains(i, x, y) { + if ((x = +x, x !== x) || (y = +y, y !== y)) return false; + return this.delaunay._step(i, x, y) === i; + } + *neighbors(i) { + const ci = this._clip(i); + if (ci) for (const j of this.delaunay.neighbors(i)) { + const cj = this._clip(j); + // find the common edge + if (cj) loop: for (let ai = 0, li = ci.length; ai < li; ai += 2) { + for (let aj = 0, lj = cj.length; aj < lj; aj += 2) { + if (ci[ai] == cj[aj] + && ci[ai + 1] == cj[aj + 1] + && ci[(ai + 2) % li] == cj[(aj + lj - 2) % lj] + && ci[(ai + 3) % li] == cj[(aj + lj - 1) % lj] + ) { + yield j; + break loop; + } + } } } - - if (this._root && this._root.length) this._root = node; } - - this._x0 = x0; - this._y0 = y0; - this._x1 = x1; - this._y1 = y1; - return this; + _cell(i) { + const {circumcenters, delaunay: {inedges, halfedges, triangles}} = this; + const e0 = inedges[i]; + if (e0 === -1) return null; // coincident point + const points = []; + let e = e0; + do { + const t = Math.floor(e / 3); + points.push(circumcenters[t * 2], circumcenters[t * 2 + 1]); + e = e % 3 === 2 ? e - 2 : e + 1; + if (triangles[e] !== i) break; // bad triangulation + e = halfedges[e]; + } while (e !== e0 && e !== -1); + return points; + } + _clip(i) { + // degenerate case (1 valid point: return the box) + if (i === 0 && this.delaunay.hull.length === 1) { + return [this.xmax, this.ymin, this.xmax, this.ymax, this.xmin, this.ymax, this.xmin, this.ymin]; + } + const points = this._cell(i); + if (points === null) return null; + const {vectors: V} = this; + const v = i * 4; + return V[v] || V[v + 1] + ? this._clipInfinite(i, points, V[v], V[v + 1], V[v + 2], V[v + 3]) + : this._clipFinite(i, points); + } + _clipFinite(i, points) { + const n = points.length; + let P = null; + let x0, y0, x1 = points[n - 2], y1 = points[n - 1]; + let c0, c1 = this._regioncode(x1, y1); + let e0, e1; + for (let j = 0; j < n; j += 2) { + x0 = x1, y0 = y1, x1 = points[j], y1 = points[j + 1]; + c0 = c1, c1 = this._regioncode(x1, y1); + if (c0 === 0 && c1 === 0) { + e0 = e1, e1 = 0; + if (P) P.push(x1, y1); + else P = [x1, y1]; + } else { + let S, sx0, sy0, sx1, sy1; + if (c0 === 0) { + if ((S = this._clipSegment(x0, y0, x1, y1, c0, c1)) === null) continue; + [sx0, sy0, sx1, sy1] = S; + } else { + if ((S = this._clipSegment(x1, y1, x0, y0, c1, c0)) === null) continue; + [sx1, sy1, sx0, sy0] = S; + e0 = e1, e1 = this._edgecode(sx0, sy0); + if (e0 && e1) this._edge(i, e0, e1, P, P.length); + if (P) P.push(sx0, sy0); + else P = [sx0, sy0]; + } + e0 = e1, e1 = this._edgecode(sx1, sy1); + if (e0 && e1) this._edge(i, e0, e1, P, P.length); + if (P) P.push(sx1, sy1); + else P = [sx1, sy1]; + } + } + if (P) { + e0 = e1, e1 = this._edgecode(P[0], P[1]); + if (e0 && e1) this._edge(i, e0, e1, P, P.length); + } else if (this.contains(i, (this.xmin + this.xmax) / 2, (this.ymin + this.ymax) / 2)) { + return [this.xmax, this.ymin, this.xmax, this.ymax, this.xmin, this.ymax, this.xmin, this.ymin]; + } + return P; + } + _clipSegment(x0, y0, x1, y1, c0, c1) { + while (true) { + if (c0 === 0 && c1 === 0) return [x0, y0, x1, y1]; + if (c0 & c1) return null; + let x, y, c = c0 || c1; + if (c & 0b1000) x = x0 + (x1 - x0) * (this.ymax - y0) / (y1 - y0), y = this.ymax; + else if (c & 0b0100) x = x0 + (x1 - x0) * (this.ymin - y0) / (y1 - y0), y = this.ymin; + else if (c & 0b0010) y = y0 + (y1 - y0) * (this.xmax - x0) / (x1 - x0), x = this.xmax; + else y = y0 + (y1 - y0) * (this.xmin - x0) / (x1 - x0), x = this.xmin; + if (c0) x0 = x, y0 = y, c0 = this._regioncode(x0, y0); + else x1 = x, y1 = y, c1 = this._regioncode(x1, y1); + } + } + _clipInfinite(i, points, vx0, vy0, vxn, vyn) { + let P = Array.from(points), p; + if (p = this._project(P[0], P[1], vx0, vy0)) P.unshift(p[0], p[1]); + if (p = this._project(P[P.length - 2], P[P.length - 1], vxn, vyn)) P.push(p[0], p[1]); + if (P = this._clipFinite(i, P)) { + for (let j = 0, n = P.length, c0, c1 = this._edgecode(P[n - 2], P[n - 1]); j < n; j += 2) { + c0 = c1, c1 = this._edgecode(P[j], P[j + 1]); + if (c0 && c1) j = this._edge(i, c0, c1, P, j), n = P.length; + } + } else if (this.contains(i, (this.xmin + this.xmax) / 2, (this.ymin + this.ymax) / 2)) { + P = [this.xmin, this.ymin, this.xmax, this.ymin, this.xmax, this.ymax, this.xmin, this.ymax]; + } + return P; + } + _edge(i, e0, e1, P, j) { + while (e0 !== e1) { + let x, y; + switch (e0) { + case 0b0101: e0 = 0b0100; continue; // top-left + case 0b0100: e0 = 0b0110, x = this.xmax, y = this.ymin; break; // top + case 0b0110: e0 = 0b0010; continue; // top-right + case 0b0010: e0 = 0b1010, x = this.xmax, y = this.ymax; break; // right + case 0b1010: e0 = 0b1000; continue; // bottom-right + case 0b1000: e0 = 0b1001, x = this.xmin, y = this.ymax; break; // bottom + case 0b1001: e0 = 0b0001; continue; // bottom-left + case 0b0001: e0 = 0b0101, x = this.xmin, y = this.ymin; break; // left + } + if ((P[j] !== x || P[j + 1] !== y) && this.contains(i, x, y)) { + P.splice(j, 0, x, y), j += 2; + } + } + if (P.length > 4) { + for (let i = 0; i < P.length; i+= 2) { + const j = (i + 2) % P.length, k = (i + 4) % P.length; + if (P[i] === P[j] && P[j] === P[k] + || P[i + 1] === P[j + 1] && P[j + 1] === P[k + 1]) + P.splice(j, 2), i -= 2; + } + } + return j; + } + _project(x0, y0, vx, vy) { + let t = Infinity, c, x, y; + if (vy < 0) { // top + if (y0 <= this.ymin) return null; + if ((c = (this.ymin - y0) / vy) < t) y = this.ymin, x = x0 + (t = c) * vx; + } else if (vy > 0) { // bottom + if (y0 >= this.ymax) return null; + if ((c = (this.ymax - y0) / vy) < t) y = this.ymax, x = x0 + (t = c) * vx; + } + if (vx > 0) { // right + if (x0 >= this.xmax) return null; + if ((c = (this.xmax - x0) / vx) < t) x = this.xmax, y = y0 + (t = c) * vy; + } else if (vx < 0) { // left + if (x0 <= this.xmin) return null; + if ((c = (this.xmin - x0) / vx) < t) x = this.xmin, y = y0 + (t = c) * vy; + } + return [x, y]; + } + _edgecode(x, y) { + return (x === this.xmin ? 0b0001 + : x === this.xmax ? 0b0010 : 0b0000) + | (y === this.ymin ? 0b0100 + : y === this.ymax ? 0b1000 : 0b0000); + } + _regioncode(x, y) { + return (x < this.xmin ? 0b0001 + : x > this.xmax ? 0b0010 : 0b0000) + | (y < this.ymin ? 0b0100 + : y > this.ymax ? 0b1000 : 0b0000); + } } -function tree_data() { - var data = []; - this.visit(function(node) { - if (!node.length) do data.push(node.data); while (node = node.next) - }); - return data; +const tau$2 = 2 * Math.PI, pow$2 = Math.pow; + +function pointX(p) { + return p[0]; } -function tree_extent(_) { - return arguments.length - ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) - : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; +function pointY(p) { + return p[1]; } -function Quad(node, x0, y0, x1, y1) { - this.node = node; - this.x0 = x0; - this.y0 = y0; - this.x1 = x1; - this.y1 = y1; +// A triangulation is collinear if all its triangles have a non-null area +function collinear(d) { + const {triangles, coords} = d; + for (let i = 0; i < triangles.length; i += 3) { + const a = 2 * triangles[i], + b = 2 * triangles[i + 1], + c = 2 * triangles[i + 2], + cross = (coords[c] - coords[a]) * (coords[b + 1] - coords[a + 1]) + - (coords[b] - coords[a]) * (coords[c + 1] - coords[a + 1]); + if (cross > 1e-10) return false; + } + return true; } -function tree_find(x, y, radius) { - var data, - x0 = this._x0, - y0 = this._y0, - x1, - y1, - x2, - y2, - x3 = this._x1, - y3 = this._y1, - quads = [], - node = this._root, - q, - i; +function jitter(x, y, r) { + return [x + Math.sin(x + y) * r, y + Math.cos(x - y) * r]; +} - if (node) quads.push(new Quad(node, x0, y0, x3, y3)); - if (radius == null) radius = Infinity; - else { - x0 = x - radius, y0 = y - radius; - x3 = x + radius, y3 = y + radius; - radius *= radius; +class Delaunay { + static from(points, fx = pointX, fy = pointY, that) { + return new Delaunay("length" in points + ? flatArray(points, fx, fy, that) + : Float64Array.from(flatIterable(points, fx, fy, that))); } + constructor(points) { + this._delaunator = new Delaunator(points); + this.inedges = new Int32Array(points.length / 2); + this._hullIndex = new Int32Array(points.length / 2); + this.points = this._delaunator.coords; + this._init(); + } + update() { + this._delaunator.update(); + this._init(); + return this; + } + _init() { + const d = this._delaunator, points = this.points; + + // check for collinear + if (d.hull && d.hull.length > 2 && collinear(d)) { + this.collinear = Int32Array.from({length: points.length/2}, (_,i) => i) + .sort((i, j) => points[2 * i] - points[2 * j] || points[2 * i + 1] - points[2 * j + 1]); // for exact neighbors + const e = this.collinear[0], f = this.collinear[this.collinear.length - 1], + bounds = [ points[2 * e], points[2 * e + 1], points[2 * f], points[2 * f + 1] ], + r = 1e-8 * Math.hypot(bounds[3] - bounds[1], bounds[2] - bounds[0]); + for (let i = 0, n = points.length / 2; i < n; ++i) { + const p = jitter(points[2 * i], points[2 * i + 1], r); + points[2 * i] = p[0]; + points[2 * i + 1] = p[1]; + } + this._delaunator = new Delaunator(points); + } else { + delete this.collinear; + } - while (q = quads.pop()) { - - // Stop searching if this quadrant can’t contain a closer node. - if (!(node = q.node) - || (x1 = q.x0) > x3 - || (y1 = q.y0) > y3 - || (x2 = q.x1) < x0 - || (y2 = q.y1) < y0) continue; + const halfedges = this.halfedges = this._delaunator.halfedges; + const hull = this.hull = this._delaunator.hull; + const triangles = this.triangles = this._delaunator.triangles; + const inedges = this.inedges.fill(-1); + const hullIndex = this._hullIndex.fill(-1); - // Bisect the current quadrant. - if (node.length) { - var xm = (x1 + x2) / 2, - ym = (y1 + y2) / 2; + // Compute an index from each point to an (arbitrary) incoming halfedge + // Used to give the first neighbor of each point; for this reason, + // on the hull we give priority to exterior halfedges + for (let e = 0, n = halfedges.length; e < n; ++e) { + const p = triangles[e % 3 === 2 ? e - 2 : e + 1]; + if (halfedges[e] === -1 || inedges[p] === -1) inedges[p] = e; + } + for (let i = 0, n = hull.length; i < n; ++i) { + hullIndex[hull[i]] = i; + } - quads.push( - new Quad(node[3], xm, ym, x2, y2), - new Quad(node[2], x1, ym, xm, y2), - new Quad(node[1], xm, y1, x2, ym), - new Quad(node[0], x1, y1, xm, ym) - ); + // degenerate case: 1 or 2 (distinct) points + if (hull.length <= 2 && hull.length > 0) { + this.triangles = new Int32Array(3).fill(-1); + this.halfedges = new Int32Array(3).fill(-1); + this.triangles[0] = hull[0]; + this.triangles[1] = hull[1]; + this.triangles[2] = hull[1]; + inedges[hull[0]] = 1; + if (hull.length === 2) inedges[hull[1]] = 0; + } + } + voronoi(bounds) { + return new Voronoi(this, bounds); + } + *neighbors(i) { + const {inedges, hull, _hullIndex, halfedges, triangles, collinear} = this; - // Visit the closest quadrant first. - if (i = (y >= ym) << 1 | (x >= xm)) { - q = quads[quads.length - 1]; - quads[quads.length - 1] = quads[quads.length - 1 - i]; - quads[quads.length - 1 - i] = q; - } + // degenerate case with several collinear points + if (collinear) { + const l = collinear.indexOf(i); + if (l > 0) yield collinear[l - 1]; + if (l < collinear.length - 1) yield collinear[l + 1]; + return; } - // Visit this point. (Visiting coincident points isn’t necessary!) - else { - var dx = x - +this._x.call(null, node.data), - dy = y - +this._y.call(null, node.data), - d2 = dx * dx + dy * dy; - if (d2 < radius) { - var d = Math.sqrt(radius = d2); - x0 = x - d, y0 = y - d; - x3 = x + d, y3 = y + d; - data = node.data; + const e0 = inedges[i]; + if (e0 === -1) return; // coincident point + let e = e0, p0 = -1; + do { + yield p0 = triangles[e]; + e = e % 3 === 2 ? e - 2 : e + 1; + if (triangles[e] !== i) return; // bad triangulation + e = halfedges[e]; + if (e === -1) { + const p = hull[(_hullIndex[i] + 1) % hull.length]; + if (p !== p0) yield p; + return; + } + } while (e !== e0); + } + find(x, y, i = 0) { + if ((x = +x, x !== x) || (y = +y, y !== y)) return -1; + const i0 = i; + let c; + while ((c = this._step(i, x, y)) >= 0 && c !== i && c !== i0) i = c; + return c; + } + _step(i, x, y) { + const {inedges, hull, _hullIndex, halfedges, triangles, points} = this; + if (inedges[i] === -1 || !points.length) return (i + 1) % (points.length >> 1); + let c = i; + let dc = pow$2(x - points[i * 2], 2) + pow$2(y - points[i * 2 + 1], 2); + const e0 = inedges[i]; + let e = e0; + do { + let t = triangles[e]; + const dt = pow$2(x - points[t * 2], 2) + pow$2(y - points[t * 2 + 1], 2); + if (dt < dc) dc = dt, c = t; + e = e % 3 === 2 ? e - 2 : e + 1; + if (triangles[e] !== i) break; // bad triangulation + e = halfedges[e]; + if (e === -1) { + e = hull[(_hullIndex[i] + 1) % hull.length]; + if (e !== t) { + if (pow$2(x - points[e * 2], 2) + pow$2(y - points[e * 2 + 1], 2) < dc) return e; + } + break; } + } while (e !== e0); + return c; + } + render(context) { + const buffer = context == null ? context = new Path : undefined; + const {points, halfedges, triangles} = this; + for (let i = 0, n = halfedges.length; i < n; ++i) { + const j = halfedges[i]; + if (j < i) continue; + const ti = triangles[i] * 2; + const tj = triangles[j] * 2; + context.moveTo(points[ti], points[ti + 1]); + context.lineTo(points[tj], points[tj + 1]); + } + this.renderHull(context); + return buffer && buffer.value(); + } + renderPoints(context, r = 2) { + const buffer = context == null ? context = new Path : undefined; + const {points} = this; + for (let i = 0, n = points.length; i < n; i += 2) { + const x = points[i], y = points[i + 1]; + context.moveTo(x + r, y); + context.arc(x, y, r, 0, tau$2); + } + return buffer && buffer.value(); + } + renderHull(context) { + const buffer = context == null ? context = new Path : undefined; + const {hull, points} = this; + const h = hull[0] * 2, n = hull.length; + context.moveTo(points[h], points[h + 1]); + for (let i = 1; i < n; ++i) { + const h = 2 * hull[i]; + context.lineTo(points[h], points[h + 1]); + } + context.closePath(); + return buffer && buffer.value(); + } + hullPolygon() { + const polygon = new Polygon; + this.renderHull(polygon); + return polygon.value(); + } + renderTriangle(i, context) { + const buffer = context == null ? context = new Path : undefined; + const {points, triangles} = this; + const t0 = triangles[i *= 3] * 2; + const t1 = triangles[i + 1] * 2; + const t2 = triangles[i + 2] * 2; + context.moveTo(points[t0], points[t0 + 1]); + context.lineTo(points[t1], points[t1 + 1]); + context.lineTo(points[t2], points[t2 + 1]); + context.closePath(); + return buffer && buffer.value(); + } + *trianglePolygons() { + const {triangles} = this; + for (let i = 0, n = triangles.length / 3; i < n; ++i) { + yield this.trianglePolygon(i); } } + trianglePolygon(i) { + const polygon = new Polygon; + this.renderTriangle(i, polygon); + return polygon.value(); + } +} - return data; +function flatArray(points, fx, fy, that) { + const n = points.length; + const array = new Float64Array(n * 2); + for (let i = 0; i < n; ++i) { + const p = points[i]; + array[i * 2] = fx.call(that, p, i, points); + array[i * 2 + 1] = fy.call(that, p, i, points); + } + return array; } -function tree_remove(d) { - if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points +function* flatIterable(points, fx, fy, that) { + let i = 0; + for (const p of points) { + yield fx.call(that, p, i, points); + yield fy.call(that, p, i, points); + ++i; + } +} - var parent, - node = this._root, - retainer, - previous, - next, - x0 = this._x0, - y0 = this._y0, - x1 = this._x1, - y1 = this._y1, - x, - y, - xm, - ym, - right, - bottom, - i, - j; +var EOL = {}, + EOF = {}, + QUOTE = 34, + NEWLINE = 10, + RETURN = 13; - // If the tree is empty, initialize the root as a leaf. - if (!node) return this; - - // Find the leaf node for the point. - // While descending, also retain the deepest parent with a non-removed sibling. - if (node.length) while (true) { - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - if (!(parent = node, node = node[i = bottom << 1 | right])) return this; - if (!node.length) break; - if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i; - } - - // Find the point to remove. - while (node.data !== d) if (!(previous = node, node = node.next)) return this; - if (next = node.next) delete node.next; - - // If there are multiple coincident points, remove just the point. - if (previous) return (next ? previous.next = next : delete previous.next), this; +function objectConverter(columns) { + return new Function("d", "return {" + columns.map(function(name, i) { + return JSON.stringify(name) + ": d[" + i + "] || \"\""; + }).join(",") + "}"); +} - // If this is the root point, remove it. - if (!parent) return this._root = next, this; +function customConverter(columns, f) { + var object = objectConverter(columns); + return function(row, i) { + return f(object(row), i, columns); + }; +} - // Remove this leaf. - next ? parent[i] = next : delete parent[i]; +// Compute unique columns in order of discovery. +function inferColumns(rows) { + var columnSet = Object.create(null), + columns = []; - // If the parent now contains exactly one leaf, collapse superfluous parents. - if ((node = parent[0] || parent[1] || parent[2] || parent[3]) - && node === (parent[3] || parent[2] || parent[1] || parent[0]) - && !node.length) { - if (retainer) retainer[j] = node; - else this._root = node; - } + rows.forEach(function(row) { + for (var column in row) { + if (!(column in columnSet)) { + columns.push(columnSet[column] = column); + } + } + }); - return this; + return columns; } -function removeAll(data) { - for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); - return this; +function pad$1(value, width) { + var s = value + "", length = s.length; + return length < width ? new Array(width - length + 1).join(0) + s : s; } -function tree_root() { - return this._root; +function formatYear$1(year) { + return year < 0 ? "-" + pad$1(-year, 6) + : year > 9999 ? "+" + pad$1(year, 6) + : pad$1(year, 4); } -function tree_size() { - var size = 0; - this.visit(function(node) { - if (!node.length) do ++size; while (node = node.next) - }); - return size; +function formatDate(date) { + var hours = date.getUTCHours(), + minutes = date.getUTCMinutes(), + seconds = date.getUTCSeconds(), + milliseconds = date.getUTCMilliseconds(); + return isNaN(date) ? "Invalid Date" + : formatYear$1(date.getUTCFullYear()) + "-" + pad$1(date.getUTCMonth() + 1, 2) + "-" + pad$1(date.getUTCDate(), 2) + + (milliseconds ? "T" + pad$1(hours, 2) + ":" + pad$1(minutes, 2) + ":" + pad$1(seconds, 2) + "." + pad$1(milliseconds, 3) + "Z" + : seconds ? "T" + pad$1(hours, 2) + ":" + pad$1(minutes, 2) + ":" + pad$1(seconds, 2) + "Z" + : minutes || hours ? "T" + pad$1(hours, 2) + ":" + pad$1(minutes, 2) + "Z" + : ""); } -function tree_visit(callback) { - var quads = [], q, node = this._root, child, x0, y0, x1, y1; - if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); - while (q = quads.pop()) { - if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) { - var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; - if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); - if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); - if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); - if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); - } - } - return this; -} +function dsvFormat(delimiter) { + var reFormat = new RegExp("[\"" + delimiter + "\n\r]"), + DELIMITER = delimiter.charCodeAt(0); -function tree_visitAfter(callback) { - var quads = [], next = [], q; - if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); - while (q = quads.pop()) { - var node = q.node; - if (node.length) { - var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; - if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); - if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); - if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); - if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); - } - next.push(q); - } - while (q = next.pop()) { - callback(q.node, q.x0, q.y0, q.x1, q.y1); + function parse(text, f) { + var convert, columns, rows = parseRows(text, function(row, i) { + if (convert) return convert(row, i - 1); + columns = row, convert = f ? customConverter(row, f) : objectConverter(row); + }); + rows.columns = columns || []; + return rows; } - return this; -} -function defaultX$1(d) { - return d[0]; -} + function parseRows(text, f) { + var rows = [], // output rows + N = text.length, + I = 0, // current character index + n = 0, // current line number + t, // current token + eof = N <= 0, // current token followed by EOF? + eol = false; // current token followed by EOL? -function tree_x(_) { - return arguments.length ? (this._x = _, this) : this._x; -} + // Strip the trailing newline. + if (text.charCodeAt(N - 1) === NEWLINE) --N; + if (text.charCodeAt(N - 1) === RETURN) --N; -function defaultY$1(d) { - return d[1]; -} + function token() { + if (eof) return EOF; + if (eol) return eol = false, EOL; -function tree_y(_) { - return arguments.length ? (this._y = _, this) : this._y; -} + // Unescape quotes. + var i, j = I, c; + if (text.charCodeAt(j) === QUOTE) { + while (I++ < N && text.charCodeAt(I) !== QUOTE || text.charCodeAt(++I) === QUOTE); + if ((i = I) >= N) eof = true; + else if ((c = text.charCodeAt(I++)) === NEWLINE) eol = true; + else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } + return text.slice(j + 1, i - 1).replace(/""/g, "\""); + } -function quadtree(nodes, x, y) { - var tree = new Quadtree(x == null ? defaultX$1 : x, y == null ? defaultY$1 : y, NaN, NaN, NaN, NaN); - return nodes == null ? tree : tree.addAll(nodes); -} + // Find next delimiter or newline. + while (I < N) { + if ((c = text.charCodeAt(i = I++)) === NEWLINE) eol = true; + else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } + else if (c !== DELIMITER) continue; + return text.slice(j, i); + } -function Quadtree(x, y, x0, y0, x1, y1) { - this._x = x; - this._y = y; - this._x0 = x0; - this._y0 = y0; - this._x1 = x1; - this._y1 = y1; - this._root = undefined; -} + // Return last token before EOF. + return eof = true, text.slice(j, N); + } -function leaf_copy(leaf) { - var copy = {data: leaf.data}, next = copy; - while (leaf = leaf.next) next = next.next = {data: leaf.data}; - return copy; -} + while ((t = token()) !== EOF) { + var row = []; + while (t !== EOL && t !== EOF) row.push(t), t = token(); + if (f && (row = f(row, n++)) == null) continue; + rows.push(row); + } -var treeProto = quadtree.prototype = Quadtree.prototype; + return rows; + } -treeProto.copy = function() { - var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), - node = this._root, - nodes, - child; + function preformatBody(rows, columns) { + return rows.map(function(row) { + return columns.map(function(column) { + return formatValue(row[column]); + }).join(delimiter); + }); + } - if (!node) return copy; + function format(rows, columns) { + if (columns == null) columns = inferColumns(rows); + return [columns.map(formatValue).join(delimiter)].concat(preformatBody(rows, columns)).join("\n"); + } - if (!node.length) return copy._root = leaf_copy(node), copy; + function formatBody(rows, columns) { + if (columns == null) columns = inferColumns(rows); + return preformatBody(rows, columns).join("\n"); + } - nodes = [{source: node, target: copy._root = new Array(4)}]; - while (node = nodes.pop()) { - for (var i = 0; i < 4; ++i) { - if (child = node.source[i]) { - if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)}); - else node.target[i] = leaf_copy(child); - } - } + function formatRows(rows) { + return rows.map(formatRow).join("\n"); } - return copy; -}; + function formatRow(row) { + return row.map(formatValue).join(delimiter); + } -treeProto.add = tree_add; -treeProto.addAll = addAll; -treeProto.cover = tree_cover; -treeProto.data = tree_data; -treeProto.extent = tree_extent; -treeProto.find = tree_find; -treeProto.remove = tree_remove; -treeProto.removeAll = removeAll; -treeProto.root = tree_root; -treeProto.size = tree_size; -treeProto.visit = tree_visit; -treeProto.visitAfter = tree_visitAfter; -treeProto.x = tree_x; -treeProto.y = tree_y; + function formatValue(value) { + return value == null ? "" + : value instanceof Date ? formatDate(value) + : reFormat.test(value += "") ? "\"" + value.replace(/"/g, "\"\"") + "\"" + : value; + } -function x(d) { - return d.x + d.vx; + return { + parse: parse, + parseRows: parseRows, + format: format, + formatBody: formatBody, + formatRows: formatRows, + formatRow: formatRow, + formatValue: formatValue + }; } -function y(d) { - return d.y + d.vy; -} +var csv$1 = dsvFormat(","); -function collide(radius) { - var nodes, - radii, - strength = 1, - iterations = 1; +var csvParse = csv$1.parse; +var csvParseRows = csv$1.parseRows; +var csvFormat = csv$1.format; +var csvFormatBody = csv$1.formatBody; +var csvFormatRows = csv$1.formatRows; +var csvFormatRow = csv$1.formatRow; +var csvFormatValue = csv$1.formatValue; - if (typeof radius !== "function") radius = constant$7(radius == null ? 1 : +radius); - - function force() { - var i, n = nodes.length, - tree, - node, - xi, - yi, - ri, - ri2; +var tsv$1 = dsvFormat("\t"); - for (var k = 0; k < iterations; ++k) { - tree = quadtree(nodes, x, y).visitAfter(prepare); - for (i = 0; i < n; ++i) { - node = nodes[i]; - ri = radii[node.index], ri2 = ri * ri; - xi = node.x + node.vx; - yi = node.y + node.vy; - tree.visit(apply); - } - } +var tsvParse = tsv$1.parse; +var tsvParseRows = tsv$1.parseRows; +var tsvFormat = tsv$1.format; +var tsvFormatBody = tsv$1.formatBody; +var tsvFormatRows = tsv$1.formatRows; +var tsvFormatRow = tsv$1.formatRow; +var tsvFormatValue = tsv$1.formatValue; - function apply(quad, x0, y0, x1, y1) { - var data = quad.data, rj = quad.r, r = ri + rj; - if (data) { - if (data.index > node.index) { - var x = xi - data.x - data.vx, - y = yi - data.y - data.vy, - l = x * x + y * y; - if (l < r * r) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - l = (r - (l = Math.sqrt(l))) / l * strength; - node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj)); - node.vy += (y *= l) * r; - data.vx -= x * (r = 1 - r); - data.vy -= y * r; - } - } - return; - } - return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r; +function autoType(object) { + for (var key in object) { + var value = object[key].trim(), number, m; + if (!value) value = null; + else if (value === "true") value = true; + else if (value === "false") value = false; + else if (value === "NaN") value = NaN; + else if (!isNaN(number = +value)) value = number; + else if (m = value.match(/^([-+]\d{2})?\d{4}(-\d{2}(-\d{2})?)?(T\d{2}:\d{2}(:\d{2}(\.\d{3})?)?(Z|[-+]\d{2}:\d{2})?)?$/)) { + if (fixtz && !!m[4] && !m[7]) value = value.replace(/-/g, "/").replace(/T/, " "); + value = new Date(value); } + else continue; + object[key] = value; } + return object; +} - function prepare(quad) { - if (quad.data) return quad.r = radii[quad.data.index]; - for (var i = quad.r = 0; i < 4; ++i) { - if (quad[i] && quad[i].r > quad.r) { - quad.r = quad[i].r; - } - } - } +// https://github.com/d3/d3-dsv/issues/45 +const fixtz = new Date("2019-01-01T00:00").getHours() || new Date("2019-07-01T00:00").getHours(); - function initialize() { - if (!nodes) return; - var i, n = nodes.length, node; - radii = new Array(n); - for (i = 0; i < n; ++i) node = nodes[i], radii[node.index] = +radius(node, i, nodes); - } +function responseBlob(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + return response.blob(); +} - force.initialize = function(_) { - nodes = _; - initialize(); - }; +function blob(input, init) { + return fetch(input, init).then(responseBlob); +} - force.iterations = function(_) { - return arguments.length ? (iterations = +_, force) : iterations; - }; +function responseArrayBuffer(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + return response.arrayBuffer(); +} - force.strength = function(_) { - return arguments.length ? (strength = +_, force) : strength; - }; +function buffer(input, init) { + return fetch(input, init).then(responseArrayBuffer); +} - force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : radius; - }; +function responseText(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + return response.text(); +} - return force; +function text(input, init) { + return fetch(input, init).then(responseText); } -function index(d) { - return d.index; +function dsvParse(parse) { + return function(input, init, row) { + if (arguments.length === 2 && typeof init === "function") row = init, init = undefined; + return text(input, init).then(function(response) { + return parse(response, row); + }); + }; } -function find(nodeById, nodeId) { - var node = nodeById.get(nodeId); - if (!node) throw new Error("missing: " + nodeId); - return node; +function dsv(delimiter, input, init, row) { + if (arguments.length === 3 && typeof init === "function") row = init, init = undefined; + var format = dsvFormat(delimiter); + return text(input, init).then(function(response) { + return format.parse(response, row); + }); } -function link(links) { - var id = index, - strength = defaultStrength, - strengths, - distance = constant$7(30), - distances, - nodes, - count, - bias, - iterations = 1; +var csv = dsvParse(csvParse); +var tsv = dsvParse(tsvParse); - if (links == null) links = []; +function image(input, init) { + return new Promise(function(resolve, reject) { + var image = new Image; + for (var key in init) image[key] = init[key]; + image.onerror = reject; + image.onload = function() { resolve(image); }; + image.src = input; + }); +} - function defaultStrength(link) { - return 1 / Math.min(count[link.source.index], count[link.target.index]); - } +function responseJson(response) { + if (!response.ok) throw new Error(response.status + " " + response.statusText); + if (response.status === 204 || response.status === 205) return; + return response.json(); +} - function force(alpha) { - for (var k = 0, n = links.length; k < iterations; ++k) { - for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) { - link = links[i], source = link.source, target = link.target; - x = target.x + target.vx - source.x - source.vx || jiggle(); - y = target.y + target.vy - source.y - source.vy || jiggle(); - l = Math.sqrt(x * x + y * y); - l = (l - distances[i]) / l * alpha * strengths[i]; - x *= l, y *= l; - target.vx -= x * (b = bias[i]); - target.vy -= y * b; - source.vx += x * (b = 1 - b); - source.vy += y * b; - } - } - } +function json(input, init) { + return fetch(input, init).then(responseJson); +} - function initialize() { - if (!nodes) return; +function parser(type) { + return (input, init) => text(input, init) + .then(text => (new DOMParser).parseFromString(text, type)); +} - var i, - n = nodes.length, - m = links.length, - nodeById = map$1(nodes, id), - link; +var xml = parser("application/xml"); - for (i = 0, count = new Array(n); i < m; ++i) { - link = links[i], link.index = i; - if (typeof link.source !== "object") link.source = find(nodeById, link.source); - if (typeof link.target !== "object") link.target = find(nodeById, link.target); - count[link.source.index] = (count[link.source.index] || 0) + 1; - count[link.target.index] = (count[link.target.index] || 0) + 1; - } +var html = parser("text/html"); - for (i = 0, bias = new Array(m); i < m; ++i) { - link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]); - } +var svg = parser("image/svg+xml"); - strengths = new Array(m), initializeStrength(); - distances = new Array(m), initializeDistance(); - } +function center(x, y) { + var nodes, strength = 1; - function initializeStrength() { - if (!nodes) return; + if (x == null) x = 0; + if (y == null) y = 0; - for (var i = 0, n = links.length; i < n; ++i) { - strengths[i] = +strength(links[i], i, links); - } - } + function force() { + var i, + n = nodes.length, + node, + sx = 0, + sy = 0; - function initializeDistance() { - if (!nodes) return; + for (i = 0; i < n; ++i) { + node = nodes[i], sx += node.x, sy += node.y; + } - for (var i = 0, n = links.length; i < n; ++i) { - distances[i] = +distance(links[i], i, links); + for (sx = (sx / n - x) * strength, sy = (sy / n - y) * strength, i = 0; i < n; ++i) { + node = nodes[i], node.x -= sx, node.y -= sy; } } force.initialize = function(_) { nodes = _; - initialize(); }; - force.links = function(_) { - return arguments.length ? (links = _, initialize(), force) : links; - }; - - force.id = function(_) { - return arguments.length ? (id = _, force) : id; + force.x = function(_) { + return arguments.length ? (x = +_, force) : x; }; - force.iterations = function(_) { - return arguments.length ? (iterations = +_, force) : iterations; + force.y = function(_) { + return arguments.length ? (y = +_, force) : y; }; force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initializeStrength(), force) : strength; - }; - - force.distance = function(_) { - return arguments.length ? (distance = typeof _ === "function" ? _ : constant$7(+_), initializeDistance(), force) : distance; + return arguments.length ? (strength = +_, force) : strength; }; return force; } -function x$1(d) { - return d.x; +function tree_add(d) { + const x = +this._x.call(null, d), + y = +this._y.call(null, d); + return add(this.cover(x, y), x, y, d); } -function y$1(d) { - return d.y; -} +function add(tree, x, y, d) { + if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points -var initialRadius = 10, - initialAngle = Math.PI * (3 - Math.sqrt(5)); + var parent, + node = tree._root, + leaf = {data: d}, + x0 = tree._x0, + y0 = tree._y0, + x1 = tree._x1, + y1 = tree._y1, + xm, + ym, + xp, + yp, + right, + bottom, + i, + j; -function simulation(nodes) { - var simulation, - alpha = 1, - alphaMin = 0.001, - alphaDecay = 1 - Math.pow(alphaMin, 1 / 300), - alphaTarget = 0, - velocityDecay = 0.6, - forces = map$1(), - stepper = timer(step), - event = dispatch("tick", "end"); - - if (nodes == null) nodes = []; + // If the tree is empty, initialize the root as a leaf. + if (!node) return tree._root = leaf, tree; - function step() { - tick(); - event.call("tick", simulation); - if (alpha < alphaMin) { - stepper.stop(); - event.call("end", simulation); - } + // Find the existing leaf for the new point, or add it. + while (node.length) { + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree; } - function tick(iterations) { - var i, n = nodes.length, node; + // Is the new point is exactly coincident with the existing point? + xp = +tree._x.call(null, node.data); + yp = +tree._y.call(null, node.data); + if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree; - if (iterations === undefined) iterations = 1; + // Otherwise, split the leaf node until the old and new point are separated. + do { + parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4); + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm))); + return parent[j] = node, parent[i] = leaf, tree; +} - for (var k = 0; k < iterations; ++k) { - alpha += (alphaTarget - alpha) * alphaDecay; +function addAll(data) { + var d, i, n = data.length, + x, + y, + xz = new Array(n), + yz = new Array(n), + x0 = Infinity, + y0 = Infinity, + x1 = -Infinity, + y1 = -Infinity; - forces.each(function (force) { - force(alpha); - }); + // Compute the points and their extent. + for (i = 0; i < n; ++i) { + if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue; + xz[i] = x; + yz[i] = y; + if (x < x0) x0 = x; + if (x > x1) x1 = x; + if (y < y0) y0 = y; + if (y > y1) y1 = y; + } - for (i = 0; i < n; ++i) { - node = nodes[i]; - if (node.fx == null) node.x += node.vx *= velocityDecay; - else node.x = node.fx, node.vx = 0; - if (node.fy == null) node.y += node.vy *= velocityDecay; - else node.y = node.fy, node.vy = 0; - } - } + // If there were no (valid) points, abort. + if (x0 > x1 || y0 > y1) return this; - return simulation; - } + // Expand the tree to cover the new points. + this.cover(x0, y0).cover(x1, y1); - function initializeNodes() { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.index = i; - if (node.fx != null) node.x = node.fx; - if (node.fy != null) node.y = node.fy; - if (isNaN(node.x) || isNaN(node.y)) { - var radius = initialRadius * Math.sqrt(i), angle = i * initialAngle; - node.x = radius * Math.cos(angle); - node.y = radius * Math.sin(angle); - } - if (isNaN(node.vx) || isNaN(node.vy)) { - node.vx = node.vy = 0; - } - } + // Add the new points. + for (i = 0; i < n; ++i) { + add(this, xz[i], yz[i], data[i]); } - function initializeForce(force) { - if (force.initialize) force.initialize(nodes); - return force; + return this; +} + +function tree_cover(x, y) { + if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points + + var x0 = this._x0, + y0 = this._y0, + x1 = this._x1, + y1 = this._y1; + + // If the quadtree has no extent, initialize them. + // Integer extent are necessary so that if we later double the extent, + // the existing quadrant boundaries don’t change due to floating point error! + if (isNaN(x0)) { + x1 = (x0 = Math.floor(x)) + 1; + y1 = (y0 = Math.floor(y)) + 1; } - initializeNodes(); + // Otherwise, double repeatedly to cover. + else { + var z = x1 - x0 || 1, + node = this._root, + parent, + i; - return simulation = { - tick: tick, + while (x0 > x || x >= x1 || y0 > y || y >= y1) { + i = (y < y0) << 1 | (x < x0); + parent = new Array(4), parent[i] = node, node = parent, z *= 2; + switch (i) { + case 0: x1 = x0 + z, y1 = y0 + z; break; + case 1: x0 = x1 - z, y1 = y0 + z; break; + case 2: x1 = x0 + z, y0 = y1 - z; break; + case 3: x0 = x1 - z, y0 = y1 - z; break; + } + } - restart: function() { - return stepper.restart(step), simulation; - }, + if (this._root && this._root.length) this._root = node; + } - stop: function() { - return stepper.stop(), simulation; - }, + this._x0 = x0; + this._y0 = y0; + this._x1 = x1; + this._y1 = y1; + return this; +} - nodes: function(_) { - return arguments.length ? (nodes = _, initializeNodes(), forces.each(initializeForce), simulation) : nodes; - }, +function tree_data() { + var data = []; + this.visit(function(node) { + if (!node.length) do data.push(node.data); while (node = node.next) + }); + return data; +} - alpha: function(_) { - return arguments.length ? (alpha = +_, simulation) : alpha; - }, +function tree_extent(_) { + return arguments.length + ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) + : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; +} - alphaMin: function(_) { - return arguments.length ? (alphaMin = +_, simulation) : alphaMin; - }, +function Quad(node, x0, y0, x1, y1) { + this.node = node; + this.x0 = x0; + this.y0 = y0; + this.x1 = x1; + this.y1 = y1; +} - alphaDecay: function(_) { - return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay; - }, +function tree_find(x, y, radius) { + var data, + x0 = this._x0, + y0 = this._y0, + x1, + y1, + x2, + y2, + x3 = this._x1, + y3 = this._y1, + quads = [], + node = this._root, + q, + i; - alphaTarget: function(_) { - return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget; - }, + if (node) quads.push(new Quad(node, x0, y0, x3, y3)); + if (radius == null) radius = Infinity; + else { + x0 = x - radius, y0 = y - radius; + x3 = x + radius, y3 = y + radius; + radius *= radius; + } - velocityDecay: function(_) { - return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay; - }, + while (q = quads.pop()) { - force: function(name, _) { - return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); - }, + // Stop searching if this quadrant can’t contain a closer node. + if (!(node = q.node) + || (x1 = q.x0) > x3 + || (y1 = q.y0) > y3 + || (x2 = q.x1) < x0 + || (y2 = q.y1) < y0) continue; - find: function(x, y, radius) { - var i = 0, - n = nodes.length, - dx, - dy, - d2, - node, - closest; + // Bisect the current quadrant. + if (node.length) { + var xm = (x1 + x2) / 2, + ym = (y1 + y2) / 2; - if (radius == null) radius = Infinity; - else radius *= radius; + quads.push( + new Quad(node[3], xm, ym, x2, y2), + new Quad(node[2], x1, ym, xm, y2), + new Quad(node[1], xm, y1, x2, ym), + new Quad(node[0], x1, y1, xm, ym) + ); - for (i = 0; i < n; ++i) { - node = nodes[i]; - dx = x - node.x; - dy = y - node.y; - d2 = dx * dx + dy * dy; - if (d2 < radius) closest = node, radius = d2; + // Visit the closest quadrant first. + if (i = (y >= ym) << 1 | (x >= xm)) { + q = quads[quads.length - 1]; + quads[quads.length - 1] = quads[quads.length - 1 - i]; + quads[quads.length - 1 - i] = q; } + } - return closest; - }, - - on: function(name, _) { - return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); + // Visit this point. (Visiting coincident points isn’t necessary!) + else { + var dx = x - +this._x.call(null, node.data), + dy = y - +this._y.call(null, node.data), + d2 = dx * dx + dy * dy; + if (d2 < radius) { + var d = Math.sqrt(radius = d2); + x0 = x - d, y0 = y - d; + x3 = x + d, y3 = y + d; + data = node.data; + } } - }; + } + + return data; } -function manyBody() { - var nodes, - node, - alpha, - strength = constant$7(-30), - strengths, - distanceMin2 = 1, - distanceMax2 = Infinity, - theta2 = 0.81; - - function force(_) { - var i, n = nodes.length, tree = quadtree(nodes, x$1, y$1).visitAfter(accumulate); - for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); - } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length, node; - strengths = new Array(n); - for (i = 0; i < n; ++i) node = nodes[i], strengths[node.index] = +strength(node, i, nodes); - } - - function accumulate(quad) { - var strength = 0, q, c, weight = 0, x, y, i; +function tree_remove(d) { + if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points - // For internal nodes, accumulate forces from child quadrants. - if (quad.length) { - for (x = y = i = 0; i < 4; ++i) { - if ((q = quad[i]) && (c = Math.abs(q.value))) { - strength += q.value, weight += c, x += c * q.x, y += c * q.y; - } - } - quad.x = x / weight; - quad.y = y / weight; - } + var parent, + node = this._root, + retainer, + previous, + next, + x0 = this._x0, + y0 = this._y0, + x1 = this._x1, + y1 = this._y1, + x, + y, + xm, + ym, + right, + bottom, + i, + j; - // For leaf nodes, accumulate forces from coincident quadrants. - else { - q = quad; - q.x = q.data.x; - q.y = q.data.y; - do strength += strengths[q.data.index]; - while (q = q.next); - } + // If the tree is empty, initialize the root as a leaf. + if (!node) return this; - quad.value = strength; + // Find the leaf node for the point. + // While descending, also retain the deepest parent with a non-removed sibling. + if (node.length) while (true) { + if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; + if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; + if (!(parent = node, node = node[i = bottom << 1 | right])) return this; + if (!node.length) break; + if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i; } - function apply(quad, x1, _, x2) { - if (!quad.value) return true; - - var x = quad.x - node.x, - y = quad.y - node.y, - w = x2 - x1, - l = x * x + y * y; + // Find the point to remove. + while (node.data !== d) if (!(previous = node, node = node.next)) return this; + if (next = node.next) delete node.next; - // Apply the Barnes-Hut approximation if possible. - // Limit forces for very close nodes; randomize direction if coincident. - if (w * w / theta2 < l) { - if (l < distanceMax2) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); - node.vx += x * quad.value * alpha / l; - node.vy += y * quad.value * alpha / l; - } - return true; - } + // If there are multiple coincident points, remove just the point. + if (previous) return (next ? previous.next = next : delete previous.next), this; - // Otherwise, process points directly. - else if (quad.length || l >= distanceMax2) return; + // If this is the root point, remove it. + if (!parent) return this._root = next, this; - // Limit forces for very close nodes; randomize direction if coincident. - if (quad.data !== node || quad.next) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); - } + // Remove this leaf. + next ? parent[i] = next : delete parent[i]; - do if (quad.data !== node) { - w = strengths[quad.data.index] * alpha / l; - node.vx += x * w; - node.vy += y * w; - } while (quad = quad.next); + // If the parent now contains exactly one leaf, collapse superfluous parents. + if ((node = parent[0] || parent[1] || parent[2] || parent[3]) + && node === (parent[3] || parent[2] || parent[1] || parent[0]) + && !node.length) { + if (retainer) retainer[j] = node; + else this._root = node; } - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; - }; - - force.distanceMin = function(_) { - return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2); - }; - - force.distanceMax = function(_) { - return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2); - }; - - force.theta = function(_) { - return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2); - }; + return this; +} - return force; +function removeAll(data) { + for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); + return this; } -function radial(radius, x, y) { - var nodes, - strength = constant$7(0.1), - strengths, - radiuses; +function tree_root() { + return this._root; +} - if (typeof radius !== "function") radius = constant$7(+radius); - if (x == null) x = 0; - if (y == null) y = 0; +function tree_size() { + var size = 0; + this.visit(function(node) { + if (!node.length) do ++size; while (node = node.next) + }); + return size; +} - function force(alpha) { - for (var i = 0, n = nodes.length; i < n; ++i) { - var node = nodes[i], - dx = node.x - x || 1e-6, - dy = node.y - y || 1e-6, - r = Math.sqrt(dx * dx + dy * dy), - k = (radiuses[i] - r) * strengths[i] * alpha / r; - node.vx += dx * k; - node.vy += dy * k; +function tree_visit(callback) { + var quads = [], q, node = this._root, child, x0, y0, x1, y1; + if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); + while (q = quads.pop()) { + if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) { + var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; + if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); + if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); + if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); + if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); } } + return this; +} - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - radiuses = new Array(n); - for (i = 0; i < n; ++i) { - radiuses[i] = +radius(nodes[i], i, nodes); - strengths[i] = isNaN(radiuses[i]) ? 0 : +strength(nodes[i], i, nodes); +function tree_visitAfter(callback) { + var quads = [], next = [], q; + if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); + while (q = quads.pop()) { + var node = q.node; + if (node.length) { + var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; + if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); + if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); + if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); + if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); } + next.push(q); + } + while (q = next.pop()) { + callback(q.node, q.x0, q.y0, q.x1, q.y1); } + return this; +} - force.initialize = function(_) { - nodes = _, initialize(); - }; +function defaultX(d) { + return d[0]; +} - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; - }; +function tree_x(_) { + return arguments.length ? (this._x = _, this) : this._x; +} - force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : radius; - }; +function defaultY(d) { + return d[1]; +} - force.x = function(_) { - return arguments.length ? (x = +_, force) : x; - }; +function tree_y(_) { + return arguments.length ? (this._y = _, this) : this._y; +} - force.y = function(_) { - return arguments.length ? (y = +_, force) : y; - }; +function quadtree(nodes, x, y) { + var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); + return nodes == null ? tree : tree.addAll(nodes); +} - return force; +function Quadtree(x, y, x0, y0, x1, y1) { + this._x = x; + this._y = y; + this._x0 = x0; + this._y0 = y0; + this._x1 = x1; + this._y1 = y1; + this._root = undefined; +} + +function leaf_copy(leaf) { + var copy = {data: leaf.data}, next = copy; + while (leaf = leaf.next) next = next.next = {data: leaf.data}; + return copy; } -function x$2(x) { - var strength = constant$7(0.1), +var treeProto = quadtree.prototype = Quadtree.prototype; + +treeProto.copy = function() { + var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), + node = this._root, nodes, - strengths, - xz; + child; - if (typeof x !== "function") x = constant$7(x == null ? 0 : +x); + if (!node) return copy; - function force(alpha) { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha; - } - } + if (!node.length) return copy._root = leaf_copy(node), copy; + + nodes = [{source: node, target: copy._root = new Array(4)}]; + while (node = nodes.pop()) { + for (var i = 0; i < 4; ++i) { + if (child = node.source[i]) { + if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)}); + else node.target[i] = leaf_copy(child); + } + } + } + + return copy; +}; + +treeProto.add = tree_add; +treeProto.addAll = addAll; +treeProto.cover = tree_cover; +treeProto.data = tree_data; +treeProto.extent = tree_extent; +treeProto.find = tree_find; +treeProto.remove = tree_remove; +treeProto.removeAll = removeAll; +treeProto.root = tree_root; +treeProto.size = tree_size; +treeProto.visit = tree_visit; +treeProto.visitAfter = tree_visitAfter; +treeProto.x = tree_x; +treeProto.y = tree_y; + +function constant$4(x) { + return function() { + return x; + }; +} + +function jiggle(random) { + return (random() - 0.5) * 1e-6; +} + +function x$3(d) { + return d.x + d.vx; +} + +function y$3(d) { + return d.y + d.vy; +} + +function collide(radius) { + var nodes, + radii, + random, + strength = 1, + iterations = 1; + + if (typeof radius !== "function") radius = constant$4(radius == null ? 1 : +radius); + + function force() { + var i, n = nodes.length, + tree, + node, + xi, + yi, + ri, + ri2; + + for (var k = 0; k < iterations; ++k) { + tree = quadtree(nodes, x$3, y$3).visitAfter(prepare); + for (i = 0; i < n; ++i) { + node = nodes[i]; + ri = radii[node.index], ri2 = ri * ri; + xi = node.x + node.vx; + yi = node.y + node.vy; + tree.visit(apply); + } + } + + function apply(quad, x0, y0, x1, y1) { + var data = quad.data, rj = quad.r, r = ri + rj; + if (data) { + if (data.index > node.index) { + var x = xi - data.x - data.vx, + y = yi - data.y - data.vy, + l = x * x + y * y; + if (l < r * r) { + if (x === 0) x = jiggle(random), l += x * x; + if (y === 0) y = jiggle(random), l += y * y; + l = (r - (l = Math.sqrt(l))) / l * strength; + node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj)); + node.vy += (y *= l) * r; + data.vx -= x * (r = 1 - r); + data.vy -= y * r; + } + } + return; + } + return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r; + } + } + + function prepare(quad) { + if (quad.data) return quad.r = radii[quad.data.index]; + for (var i = quad.r = 0; i < 4; ++i) { + if (quad[i] && quad[i].r > quad.r) { + quad.r = quad[i].r; + } + } + } function initialize() { if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - xz = new Array(n); - for (i = 0; i < n; ++i) { - strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); - } + var i, n = nodes.length, node; + radii = new Array(n); + for (i = 0; i < n; ++i) node = nodes[i], radii[node.index] = +radius(node, i, nodes); } - force.initialize = function(_) { - nodes = _; + force.initialize = function(_nodes, _random) { + nodes = _nodes; + random = _random; initialize(); }; + force.iterations = function(_) { + return arguments.length ? (iterations = +_, force) : iterations; + }; + force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; + return arguments.length ? (strength = +_, force) : strength; }; - force.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : x; + force.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$4(+_), initialize(), force) : radius; }; return force; } -function y$2(y) { - var strength = constant$7(0.1), - nodes, +function index$3(d) { + return d.index; +} + +function find(nodeById, nodeId) { + var node = nodeById.get(nodeId); + if (!node) throw new Error("node not found: " + nodeId); + return node; +} + +function link$2(links) { + var id = index$3, + strength = defaultStrength, strengths, - yz; + distance = constant$4(30), + distances, + nodes, + count, + bias, + random, + iterations = 1; - if (typeof y !== "function") y = constant$7(y == null ? 0 : +y); + if (links == null) links = []; + + function defaultStrength(link) { + return 1 / Math.min(count[link.source.index], count[link.target.index]); + } function force(alpha) { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha; + for (var k = 0, n = links.length; k < iterations; ++k) { + for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) { + link = links[i], source = link.source, target = link.target; + x = target.x + target.vx - source.x - source.vx || jiggle(random); + y = target.y + target.vy - source.y - source.vy || jiggle(random); + l = Math.sqrt(x * x + y * y); + l = (l - distances[i]) / l * alpha * strengths[i]; + x *= l, y *= l; + target.vx -= x * (b = bias[i]); + target.vy -= y * b; + source.vx += x * (b = 1 - b); + source.vy += y * b; + } } } function initialize() { if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - yz = new Array(n); - for (i = 0; i < n; ++i) { - strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + + var i, + n = nodes.length, + m = links.length, + nodeById = new Map(nodes.map((d, i) => [id(d, i, nodes), d])), + link; + + for (i = 0, count = new Array(n); i < m; ++i) { + link = links[i], link.index = i; + if (typeof link.source !== "object") link.source = find(nodeById, link.source); + if (typeof link.target !== "object") link.target = find(nodeById, link.target); + count[link.source.index] = (count[link.source.index] || 0) + 1; + count[link.target.index] = (count[link.target.index] || 0) + 1; + } + + for (i = 0, bias = new Array(m); i < m; ++i) { + link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]); } + + strengths = new Array(m), initializeStrength(); + distances = new Array(m), initializeDistance(); } - force.initialize = function(_) { - nodes = _; + function initializeStrength() { + if (!nodes) return; + + for (var i = 0, n = links.length; i < n; ++i) { + strengths[i] = +strength(links[i], i, links); + } + } + + function initializeDistance() { + if (!nodes) return; + + for (var i = 0, n = links.length; i < n; ++i) { + distances[i] = +distance(links[i], i, links); + } + } + + force.initialize = function(_nodes, _random) { + nodes = _nodes; + random = _random; initialize(); }; + force.links = function(_) { + return arguments.length ? (links = _, initialize(), force) : links; + }; + + force.id = function(_) { + return arguments.length ? (id = _, force) : id; + }; + + force.iterations = function(_) { + return arguments.length ? (iterations = +_, force) : iterations; + }; + force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength; + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$4(+_), initializeStrength(), force) : strength; }; - force.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : y; + force.distance = function(_) { + return arguments.length ? (distance = typeof _ === "function" ? _ : constant$4(+_), initializeDistance(), force) : distance; }; return force; } -// Computes the decimal coefficient and exponent of the specified number x with -// significant digits p, where x is positive and p is in [1, 21] or undefined. -// For example, formatDecimal(1.23) returns ["123", 0]. -function formatDecimal(x, p) { - if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity - var i, coefficient = x.slice(0, i); +// https://en.wikipedia.org/wiki/Linear_congruential_generator#Parameters_in_common_use +const a$1 = 1664525; +const c$3 = 1013904223; +const m = 4294967296; // 2^32 - // The string returned by toExponential either has the form \d\.\d+e[-+]\d+ - // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3). - return [ - coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, - +x.slice(i + 1) - ]; +function lcg$1() { + let s = 1; + return () => (s = (a$1 * s + c$3) % m) / m; } -function exponent$1(x) { - return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; +function x$2(d) { + return d.x; } -function formatGroup(grouping, thousands) { - return function(value, width) { - var i = value.length, - t = [], - j = 0, - g = grouping[0], - length = 0; - - while (i > 0 && g > 0) { - if (length + g + 1 > width) g = Math.max(1, width - length); - t.push(value.substring(i -= g, i + g)); - if ((length += g + 1) > width) break; - g = grouping[j = (j + 1) % grouping.length]; - } - - return t.reverse().join(thousands); - }; +function y$2(d) { + return d.y; } -function formatNumerals(numerals) { - return function(value) { - return value.replace(/[0-9]/g, function(i) { - return numerals[+i]; - }); - }; -} +var initialRadius = 10, + initialAngle = Math.PI * (3 - Math.sqrt(5)); -// [[fill]align][sign][symbol][0][width][,][.precision][~][type] -var re = /^(?:(.)?([<>=^]))?([+\-( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i; +function simulation(nodes) { + var simulation, + alpha = 1, + alphaMin = 0.001, + alphaDecay = 1 - Math.pow(alphaMin, 1 / 300), + alphaTarget = 0, + velocityDecay = 0.6, + forces = new Map(), + stepper = timer(step), + event = dispatch("tick", "end"), + random = lcg$1(); -function formatSpecifier(specifier) { - if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); - var match; - return new FormatSpecifier({ - fill: match[1], - align: match[2], - sign: match[3], - symbol: match[4], - zero: match[5], - width: match[6], - comma: match[7], - precision: match[8] && match[8].slice(1), - trim: match[9], - type: match[10] - }); -} - -formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof - -function FormatSpecifier(specifier) { - this.fill = specifier.fill === undefined ? " " : specifier.fill + ""; - this.align = specifier.align === undefined ? ">" : specifier.align + ""; - this.sign = specifier.sign === undefined ? "-" : specifier.sign + ""; - this.symbol = specifier.symbol === undefined ? "" : specifier.symbol + ""; - this.zero = !!specifier.zero; - this.width = specifier.width === undefined ? undefined : +specifier.width; - this.comma = !!specifier.comma; - this.precision = specifier.precision === undefined ? undefined : +specifier.precision; - this.trim = !!specifier.trim; - this.type = specifier.type === undefined ? "" : specifier.type + ""; -} - -FormatSpecifier.prototype.toString = function() { - return this.fill - + this.align - + this.sign - + this.symbol - + (this.zero ? "0" : "") - + (this.width === undefined ? "" : Math.max(1, this.width | 0)) - + (this.comma ? "," : "") - + (this.precision === undefined ? "" : "." + Math.max(0, this.precision | 0)) - + (this.trim ? "~" : "") - + this.type; -}; + if (nodes == null) nodes = []; -// Trims insignificant zeros, e.g., replaces 1.2000k with 1.2k. -function formatTrim(s) { - out: for (var n = s.length, i = 1, i0 = -1, i1; i < n; ++i) { - switch (s[i]) { - case ".": i0 = i1 = i; break; - case "0": if (i0 === 0) i0 = i; i1 = i; break; - default: if (!+s[i]) break out; if (i0 > 0) i0 = 0; break; + function step() { + tick(); + event.call("tick", simulation); + if (alpha < alphaMin) { + stepper.stop(); + event.call("end", simulation); } } - return i0 > 0 ? s.slice(0, i0) + s.slice(i1 + 1) : s; -} -var prefixExponent; + function tick(iterations) { + var i, n = nodes.length, node; -function formatPrefixAuto(x, p) { - var d = formatDecimal(x, p); - if (!d) return x + ""; - var coefficient = d[0], - exponent = d[1], - i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, - n = coefficient.length; - return i === n ? coefficient - : i > n ? coefficient + new Array(i - n + 1).join("0") - : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) - : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y! -} + if (iterations === undefined) iterations = 1; -function formatRounded(x, p) { - var d = formatDecimal(x, p); - if (!d) return x + ""; - var coefficient = d[0], - exponent = d[1]; - return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient - : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) - : coefficient + new Array(exponent - coefficient.length + 2).join("0"); -} + for (var k = 0; k < iterations; ++k) { + alpha += (alphaTarget - alpha) * alphaDecay; -var formatTypes = { - "%": function(x, p) { return (x * 100).toFixed(p); }, - "b": function(x) { return Math.round(x).toString(2); }, - "c": function(x) { return x + ""; }, - "d": function(x) { return Math.round(x).toString(10); }, - "e": function(x, p) { return x.toExponential(p); }, - "f": function(x, p) { return x.toFixed(p); }, - "g": function(x, p) { return x.toPrecision(p); }, - "o": function(x) { return Math.round(x).toString(8); }, - "p": function(x, p) { return formatRounded(x * 100, p); }, - "r": formatRounded, - "s": formatPrefixAuto, - "X": function(x) { return Math.round(x).toString(16).toUpperCase(); }, - "x": function(x) { return Math.round(x).toString(16); } -}; + forces.forEach(function(force) { + force(alpha); + }); -function identity$3(x) { - return x; -} + for (i = 0; i < n; ++i) { + node = nodes[i]; + if (node.fx == null) node.x += node.vx *= velocityDecay; + else node.x = node.fx, node.vx = 0; + if (node.fy == null) node.y += node.vy *= velocityDecay; + else node.y = node.fy, node.vy = 0; + } + } -var map$2 = Array.prototype.map, - prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; + return simulation; + } -function formatLocale(locale) { - var group = locale.grouping === undefined || locale.thousands === undefined ? identity$3 : formatGroup(map$2.call(locale.grouping, Number), locale.thousands + ""), - currencyPrefix = locale.currency === undefined ? "" : locale.currency[0] + "", - currencySuffix = locale.currency === undefined ? "" : locale.currency[1] + "", - decimal = locale.decimal === undefined ? "." : locale.decimal + "", - numerals = locale.numerals === undefined ? identity$3 : formatNumerals(map$2.call(locale.numerals, String)), - percent = locale.percent === undefined ? "%" : locale.percent + "", - minus = locale.minus === undefined ? "-" : locale.minus + "", - nan = locale.nan === undefined ? "NaN" : locale.nan + ""; + function initializeNodes() { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.index = i; + if (node.fx != null) node.x = node.fx; + if (node.fy != null) node.y = node.fy; + if (isNaN(node.x) || isNaN(node.y)) { + var radius = initialRadius * Math.sqrt(0.5 + i), angle = i * initialAngle; + node.x = radius * Math.cos(angle); + node.y = radius * Math.sin(angle); + } + if (isNaN(node.vx) || isNaN(node.vy)) { + node.vx = node.vy = 0; + } + } + } - function newFormat(specifier) { - specifier = formatSpecifier(specifier); + function initializeForce(force) { + if (force.initialize) force.initialize(nodes, random); + return force; + } - var fill = specifier.fill, - align = specifier.align, - sign = specifier.sign, - symbol = specifier.symbol, - zero = specifier.zero, - width = specifier.width, - comma = specifier.comma, - precision = specifier.precision, - trim = specifier.trim, - type = specifier.type; + initializeNodes(); - // The "n" type is an alias for ",g". - if (type === "n") comma = true, type = "g"; + return simulation = { + tick: tick, - // The "" type, and any invalid type, is an alias for ".12~g". - else if (!formatTypes[type]) precision === undefined && (precision = 12), trim = true, type = "g"; + restart: function() { + return stepper.restart(step), simulation; + }, - // If zero fill is specified, padding goes after sign and before digits. - if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; + stop: function() { + return stepper.stop(), simulation; + }, - // Compute the prefix and suffix. - // For SI-prefix, the suffix is lazily computed. - var prefix = symbol === "$" ? currencyPrefix : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", - suffix = symbol === "$" ? currencySuffix : /[%p]/.test(type) ? percent : ""; + nodes: function(_) { + return arguments.length ? (nodes = _, initializeNodes(), forces.forEach(initializeForce), simulation) : nodes; + }, - // What format function should we use? - // Is this an integer type? - // Can this type generate exponential notation? - var formatType = formatTypes[type], - maybeSuffix = /[defgprs%]/.test(type); + alpha: function(_) { + return arguments.length ? (alpha = +_, simulation) : alpha; + }, - // Set the default precision if not specified, - // or clamp the specified precision to the supported range. - // For significant precision, it must be in [1, 21]. - // For fixed precision, it must be in [0, 20]. - precision = precision === undefined ? 6 - : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) - : Math.max(0, Math.min(20, precision)); + alphaMin: function(_) { + return arguments.length ? (alphaMin = +_, simulation) : alphaMin; + }, - function format(value) { - var valuePrefix = prefix, - valueSuffix = suffix, - i, n, c; + alphaDecay: function(_) { + return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay; + }, - if (type === "c") { - valueSuffix = formatType(value) + valueSuffix; - value = ""; - } else { - value = +value; + alphaTarget: function(_) { + return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget; + }, - // Determine the sign. -0 is not less than 0, but 1 / -0 is! - var valueNegative = value < 0 || 1 / value < 0; + velocityDecay: function(_) { + return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay; + }, - // Perform the initial formatting. - value = isNaN(value) ? nan : formatType(Math.abs(value), precision); + randomSource: function(_) { + return arguments.length ? (random = _, forces.forEach(initializeForce), simulation) : random; + }, - // Trim insignificant zeros. - if (trim) value = formatTrim(value); + force: function(name, _) { + return arguments.length > 1 ? ((_ == null ? forces.delete(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); + }, - // If a negative value rounds to zero after formatting, and no explicit positive sign is requested, hide the sign. - if (valueNegative && +value === 0 && sign !== "+") valueNegative = false; + find: function(x, y, radius) { + var i = 0, + n = nodes.length, + dx, + dy, + d2, + node, + closest; - // Compute the prefix and suffix. - valuePrefix = (valueNegative ? (sign === "(" ? sign : minus) : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; - valueSuffix = (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + valueSuffix + (valueNegative && sign === "(" ? ")" : ""); + if (radius == null) radius = Infinity; + else radius *= radius; - // Break the formatted value into the integer “value” part that can be - // grouped, and fractional or exponential “suffix” part that is not. - if (maybeSuffix) { - i = -1, n = value.length; - while (++i < n) { - if (c = value.charCodeAt(i), 48 > c || c > 57) { - valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix; - value = value.slice(0, i); - break; - } - } - } + for (i = 0; i < n; ++i) { + node = nodes[i]; + dx = x - node.x; + dy = y - node.y; + d2 = dx * dx + dy * dy; + if (d2 < radius) closest = node, radius = d2; } - // If the fill character is not "0", grouping is applied before padding. - if (comma && !zero) value = group(value, Infinity); - - // Compute the padding. - var length = valuePrefix.length + value.length + valueSuffix.length, - padding = length < width ? new Array(width - length + 1).join(fill) : ""; + return closest; + }, - // If the fill character is "0", grouping is applied after padding. - if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; + on: function(name, _) { + return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); + } + }; +} - // Reconstruct the final output based on the desired alignment. - switch (align) { - case "<": value = valuePrefix + value + valueSuffix + padding; break; - case "=": value = valuePrefix + padding + value + valueSuffix; break; - case "^": value = padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); break; - default: value = padding + valuePrefix + value + valueSuffix; break; - } - - return numerals(value); - } - - format.toString = function() { - return specifier + ""; - }; +function manyBody() { + var nodes, + node, + random, + alpha, + strength = constant$4(-30), + strengths, + distanceMin2 = 1, + distanceMax2 = Infinity, + theta2 = 0.81; - return format; + function force(_) { + var i, n = nodes.length, tree = quadtree(nodes, x$2, y$2).visitAfter(accumulate); + for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); } - function formatPrefix(specifier, value) { - var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), - e = Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3, - k = Math.pow(10, -e), - prefix = prefixes[8 + e / 3]; - return function(value) { - return f(k * value) + prefix; - }; + function initialize() { + if (!nodes) return; + var i, n = nodes.length, node; + strengths = new Array(n); + for (i = 0; i < n; ++i) node = nodes[i], strengths[node.index] = +strength(node, i, nodes); } - return { - format: newFormat, - formatPrefix: formatPrefix - }; -} - -var locale; + function accumulate(quad) { + var strength = 0, q, c, weight = 0, x, y, i; -defaultLocale({ - decimal: ".", - thousands: ",", - grouping: [3], - currency: ["$", ""], - minus: "-" -}); + // For internal nodes, accumulate forces from child quadrants. + if (quad.length) { + for (x = y = i = 0; i < 4; ++i) { + if ((q = quad[i]) && (c = Math.abs(q.value))) { + strength += q.value, weight += c, x += c * q.x, y += c * q.y; + } + } + quad.x = x / weight; + quad.y = y / weight; + } -function defaultLocale(definition) { - locale = formatLocale(definition); - exports.format = locale.format; - exports.formatPrefix = locale.formatPrefix; - return locale; -} + // For leaf nodes, accumulate forces from coincident quadrants. + else { + q = quad; + q.x = q.data.x; + q.y = q.data.y; + do strength += strengths[q.data.index]; + while (q = q.next); + } -function precisionFixed(step) { - return Math.max(0, -exponent$1(Math.abs(step))); -} + quad.value = strength; + } -function precisionPrefix(step, value) { - return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step))); -} + function apply(quad, x1, _, x2) { + if (!quad.value) return true; -function precisionRound(step, max) { - step = Math.abs(step), max = Math.abs(max) - step; - return Math.max(0, exponent$1(max) - exponent$1(step)) + 1; -} + var x = quad.x - node.x, + y = quad.y - node.y, + w = x2 - x1, + l = x * x + y * y; -// Adds floating point numbers with twice the normal precision. -// Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and -// Fast Robust Geometric Predicates, Discrete & Computational Geometry 18(3) -// 305–363 (1997). -// Code adapted from GeographicLib by Charles F. F. Karney, -// http://geographiclib.sourceforge.net/ + // Apply the Barnes-Hut approximation if possible. + // Limit forces for very close nodes; randomize direction if coincident. + if (w * w / theta2 < l) { + if (l < distanceMax2) { + if (x === 0) x = jiggle(random), l += x * x; + if (y === 0) y = jiggle(random), l += y * y; + if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); + node.vx += x * quad.value * alpha / l; + node.vy += y * quad.value * alpha / l; + } + return true; + } -function adder() { - return new Adder; -} + // Otherwise, process points directly. + else if (quad.length || l >= distanceMax2) return; -function Adder() { - this.reset(); -} + // Limit forces for very close nodes; randomize direction if coincident. + if (quad.data !== node || quad.next) { + if (x === 0) x = jiggle(random), l += x * x; + if (y === 0) y = jiggle(random), l += y * y; + if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); + } -Adder.prototype = { - constructor: Adder, - reset: function() { - this.s = // rounded value - this.t = 0; // exact error - }, - add: function(y) { - add$1(temp, y, this.t); - add$1(this, temp.s, this.s); - if (this.s) this.t += temp.t; - else this.s = temp.t; - }, - valueOf: function() { - return this.s; + do if (quad.data !== node) { + w = strengths[quad.data.index] * alpha / l; + node.vx += x * w; + node.vy += y * w; + } while (quad = quad.next); } -}; -var temp = new Adder; - -function add$1(adder, a, b) { - var x = adder.s = a + b, - bv = x - a, - av = x - bv; - adder.t = (a - av) + (b - bv); -} + force.initialize = function(_nodes, _random) { + nodes = _nodes; + random = _random; + initialize(); + }; -var epsilon$2 = 1e-6; -var epsilon2$1 = 1e-12; -var pi$3 = Math.PI; -var halfPi$2 = pi$3 / 2; -var quarterPi = pi$3 / 4; -var tau$3 = pi$3 * 2; + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$4(+_), initialize(), force) : strength; + }; -var degrees$1 = 180 / pi$3; -var radians = pi$3 / 180; + force.distanceMin = function(_) { + return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2); + }; -var abs = Math.abs; -var atan = Math.atan; -var atan2 = Math.atan2; -var cos$1 = Math.cos; -var ceil = Math.ceil; -var exp = Math.exp; -var log = Math.log; -var pow = Math.pow; -var sin$1 = Math.sin; -var sign = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; }; -var sqrt = Math.sqrt; -var tan = Math.tan; + force.distanceMax = function(_) { + return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2); + }; -function acos(x) { - return x > 1 ? 0 : x < -1 ? pi$3 : Math.acos(x); -} + force.theta = function(_) { + return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2); + }; -function asin(x) { - return x > 1 ? halfPi$2 : x < -1 ? -halfPi$2 : Math.asin(x); + return force; } -function haversin(x) { - return (x = sin$1(x / 2)) * x; -} +function radial$1(radius, x, y) { + var nodes, + strength = constant$4(0.1), + strengths, + radiuses; -function noop$2() {} + if (typeof radius !== "function") radius = constant$4(+radius); + if (x == null) x = 0; + if (y == null) y = 0; -function streamGeometry(geometry, stream) { - if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { - streamGeometryType[geometry.type](geometry, stream); + function force(alpha) { + for (var i = 0, n = nodes.length; i < n; ++i) { + var node = nodes[i], + dx = node.x - x || 1e-6, + dy = node.y - y || 1e-6, + r = Math.sqrt(dx * dx + dy * dy), + k = (radiuses[i] - r) * strengths[i] * alpha / r; + node.vx += dx * k; + node.vy += dy * k; + } } -} -var streamObjectType = { - Feature: function(object, stream) { - streamGeometry(object.geometry, stream); - }, - FeatureCollection: function(object, stream) { - var features = object.features, i = -1, n = features.length; - while (++i < n) streamGeometry(features[i].geometry, stream); + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + radiuses = new Array(n); + for (i = 0; i < n; ++i) { + radiuses[i] = +radius(nodes[i], i, nodes); + strengths[i] = isNaN(radiuses[i]) ? 0 : +strength(nodes[i], i, nodes); + } } -}; -var streamGeometryType = { - Sphere: function(object, stream) { - stream.sphere(); - }, - Point: function(object, stream) { - object = object.coordinates; - stream.point(object[0], object[1], object[2]); - }, - MultiPoint: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]); - }, - LineString: function(object, stream) { - streamLine(object.coordinates, stream, 0); - }, - MultiLineString: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) streamLine(coordinates[i], stream, 0); - }, - Polygon: function(object, stream) { - streamPolygon(object.coordinates, stream); - }, - MultiPolygon: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) streamPolygon(coordinates[i], stream); - }, - GeometryCollection: function(object, stream) { - var geometries = object.geometries, i = -1, n = geometries.length; - while (++i < n) streamGeometry(geometries[i], stream); - } -}; + force.initialize = function(_) { + nodes = _, initialize(); + }; -function streamLine(coordinates, stream, closed) { - var i = -1, n = coordinates.length - closed, coordinate; - stream.lineStart(); - while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]); - stream.lineEnd(); -} + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$4(+_), initialize(), force) : strength; + }; -function streamPolygon(coordinates, stream) { - var i = -1, n = coordinates.length; - stream.polygonStart(); - while (++i < n) streamLine(coordinates[i], stream, 1); - stream.polygonEnd(); -} + force.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$4(+_), initialize(), force) : radius; + }; -function geoStream(object, stream) { - if (object && streamObjectType.hasOwnProperty(object.type)) { - streamObjectType[object.type](object, stream); - } else { - streamGeometry(object, stream); - } + force.x = function(_) { + return arguments.length ? (x = +_, force) : x; + }; + + force.y = function(_) { + return arguments.length ? (y = +_, force) : y; + }; + + return force; } -var areaRingSum = adder(); +function x$1(x) { + var strength = constant$4(0.1), + nodes, + strengths, + xz; -var areaSum = adder(), - lambda00, - phi00, - lambda0, - cosPhi0, - sinPhi0; + if (typeof x !== "function") x = constant$4(x == null ? 0 : +x); -var areaStream = { - point: noop$2, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: function() { - areaRingSum.reset(); - areaStream.lineStart = areaRingStart; - areaStream.lineEnd = areaRingEnd; - }, - polygonEnd: function() { - var areaRing = +areaRingSum; - areaSum.add(areaRing < 0 ? tau$3 + areaRing : areaRing); - this.lineStart = this.lineEnd = this.point = noop$2; - }, - sphere: function() { - areaSum.add(tau$3); + function force(alpha) { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha; + } } -}; - -function areaRingStart() { - areaStream.point = areaPointFirst; -} -function areaRingEnd() { - areaPoint(lambda00, phi00); -} + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + xz = new Array(n); + for (i = 0; i < n; ++i) { + strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + } + } -function areaPointFirst(lambda, phi) { - areaStream.point = areaPoint; - lambda00 = lambda, phi00 = phi; - lambda *= radians, phi *= radians; - lambda0 = lambda, cosPhi0 = cos$1(phi = phi / 2 + quarterPi), sinPhi0 = sin$1(phi); -} + force.initialize = function(_) { + nodes = _; + initialize(); + }; -function areaPoint(lambda, phi) { - lambda *= radians, phi *= radians; - phi = phi / 2 + quarterPi; // half the angular distance from south pole + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$4(+_), initialize(), force) : strength; + }; - // Spherical excess E for a spherical triangle with vertices: south pole, - // previous point, current point. Uses a formula derived from Cagnoli’s - // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2). - var dLambda = lambda - lambda0, - sdLambda = dLambda >= 0 ? 1 : -1, - adLambda = sdLambda * dLambda, - cosPhi = cos$1(phi), - sinPhi = sin$1(phi), - k = sinPhi0 * sinPhi, - u = cosPhi0 * cosPhi + k * cos$1(adLambda), - v = k * sdLambda * sin$1(adLambda); - areaRingSum.add(atan2(v, u)); + force.x = function(_) { + return arguments.length ? (x = typeof _ === "function" ? _ : constant$4(+_), initialize(), force) : x; + }; - // Advance the previous points. - lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; + return force; } -function area$1(object) { - areaSum.reset(); - geoStream(object, areaStream); - return areaSum * 2; -} +function y$1(y) { + var strength = constant$4(0.1), + nodes, + strengths, + yz; -function spherical(cartesian) { - return [atan2(cartesian[1], cartesian[0]), asin(cartesian[2])]; -} + if (typeof y !== "function") y = constant$4(y == null ? 0 : +y); -function cartesian(spherical) { - var lambda = spherical[0], phi = spherical[1], cosPhi = cos$1(phi); - return [cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)]; -} + function force(alpha) { + for (var i = 0, n = nodes.length, node; i < n; ++i) { + node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha; + } + } -function cartesianDot(a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; -} + function initialize() { + if (!nodes) return; + var i, n = nodes.length; + strengths = new Array(n); + yz = new Array(n); + for (i = 0; i < n; ++i) { + strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); + } + } -function cartesianCross(a, b) { - return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]]; -} + force.initialize = function(_) { + nodes = _; + initialize(); + }; -// TODO return a -function cartesianAddInPlace(a, b) { - a[0] += b[0], a[1] += b[1], a[2] += b[2]; -} + force.strength = function(_) { + return arguments.length ? (strength = typeof _ === "function" ? _ : constant$4(+_), initialize(), force) : strength; + }; -function cartesianScale(vector, k) { - return [vector[0] * k, vector[1] * k, vector[2] * k]; -} + force.y = function(_) { + return arguments.length ? (y = typeof _ === "function" ? _ : constant$4(+_), initialize(), force) : y; + }; -// TODO return d -function cartesianNormalizeInPlace(d) { - var l = sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); - d[0] /= l, d[1] /= l, d[2] /= l; + return force; } -var lambda0$1, phi0, lambda1, phi1, // bounds - lambda2, // previous lambda-coordinate - lambda00$1, phi00$1, // first point - p0, // previous 3D point - deltaSum = adder(), - ranges, - range; - -var boundsStream = { - point: boundsPoint, - lineStart: boundsLineStart, - lineEnd: boundsLineEnd, - polygonStart: function() { - boundsStream.point = boundsRingPoint; - boundsStream.lineStart = boundsRingStart; - boundsStream.lineEnd = boundsRingEnd; - deltaSum.reset(); - areaStream.polygonStart(); - }, - polygonEnd: function() { - areaStream.polygonEnd(); - boundsStream.point = boundsPoint; - boundsStream.lineStart = boundsLineStart; - boundsStream.lineEnd = boundsLineEnd; - if (areaRingSum < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); - else if (deltaSum > epsilon$2) phi1 = 90; - else if (deltaSum < -epsilon$2) phi0 = -90; - range[0] = lambda0$1, range[1] = lambda1; - }, - sphere: function() { - lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); - } -}; - -function boundsPoint(lambda, phi) { - ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; +function formatDecimal(x) { + return Math.abs(x = Math.round(x)) >= 1e21 + ? x.toLocaleString("en").replace(/,/g, "") + : x.toString(10); } -function linePoint(lambda, phi) { - var p = cartesian([lambda * radians, phi * radians]); - if (p0) { - var normal = cartesianCross(p0, p), - equatorial = [normal[1], -normal[0], 0], - inflection = cartesianCross(equatorial, normal); - cartesianNormalizeInPlace(inflection); - inflection = spherical(inflection); - var delta = lambda - lambda2, - sign = delta > 0 ? 1 : -1, - lambdai = inflection[0] * degrees$1 * sign, - phii, - antimeridian = abs(delta) > 180; - if (antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { - phii = inflection[1] * degrees$1; - if (phii > phi1) phi1 = phii; - } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { - phii = -inflection[1] * degrees$1; - if (phii < phi0) phi0 = phii; - } else { - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; - } - if (antimeridian) { - if (lambda < lambda2) { - if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; - } else { - if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; - } - } else { - if (lambda1 >= lambda0$1) { - if (lambda < lambda0$1) lambda0$1 = lambda; - if (lambda > lambda1) lambda1 = lambda; - } else { - if (lambda > lambda2) { - if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; - } else { - if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; - } - } - } - } else { - ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); - } - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; - p0 = p, lambda2 = lambda; -} +// Computes the decimal coefficient and exponent of the specified number x with +// significant digits p, where x is positive and p is in [1, 21] or undefined. +// For example, formatDecimalParts(1.23) returns ["123", 0]. +function formatDecimalParts(x, p) { + if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity + var i, coefficient = x.slice(0, i); -function boundsLineStart() { - boundsStream.point = linePoint; + // The string returned by toExponential either has the form \d\.\d+e[-+]\d+ + // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3). + return [ + coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, + +x.slice(i + 1) + ]; } -function boundsLineEnd() { - range[0] = lambda0$1, range[1] = lambda1; - boundsStream.point = boundsPoint; - p0 = null; +function exponent(x) { + return x = formatDecimalParts(Math.abs(x)), x ? x[1] : NaN; } -function boundsRingPoint(lambda, phi) { - if (p0) { - var delta = lambda - lambda2; - deltaSum.add(abs(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta); - } else { - lambda00$1 = lambda, phi00$1 = phi; - } - areaStream.point(lambda, phi); - linePoint(lambda, phi); -} +function formatGroup(grouping, thousands) { + return function(value, width) { + var i = value.length, + t = [], + j = 0, + g = grouping[0], + length = 0; -function boundsRingStart() { - areaStream.lineStart(); -} + while (i > 0 && g > 0) { + if (length + g + 1 > width) g = Math.max(1, width - length); + t.push(value.substring(i -= g, i + g)); + if ((length += g + 1) > width) break; + g = grouping[j = (j + 1) % grouping.length]; + } -function boundsRingEnd() { - boundsRingPoint(lambda00$1, phi00$1); - areaStream.lineEnd(); - if (abs(deltaSum) > epsilon$2) lambda0$1 = -(lambda1 = 180); - range[0] = lambda0$1, range[1] = lambda1; - p0 = null; + return t.reverse().join(thousands); + }; } -// Finds the left-right distance between two longitudes. -// This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want -// the distance between ±180° to be 360°. -function angle(lambda0, lambda1) { - return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1; +function formatNumerals(numerals) { + return function(value) { + return value.replace(/[0-9]/g, function(i) { + return numerals[+i]; + }); + }; } -function rangeCompare(a, b) { - return a[0] - b[0]; -} +// [[fill]align][sign][symbol][0][width][,][.precision][~][type] +var re = /^(?:(.)?([<>=^]))?([+\-( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i; -function rangeContains(range, x) { - return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; +function formatSpecifier(specifier) { + if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); + var match; + return new FormatSpecifier({ + fill: match[1], + align: match[2], + sign: match[3], + symbol: match[4], + zero: match[5], + width: match[6], + comma: match[7], + precision: match[8] && match[8].slice(1), + trim: match[9], + type: match[10] + }); } -function bounds(feature) { - var i, n, a, b, merged, deltaMax, delta; +formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof - phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); - ranges = []; - geoStream(feature, boundsStream); +function FormatSpecifier(specifier) { + this.fill = specifier.fill === undefined ? " " : specifier.fill + ""; + this.align = specifier.align === undefined ? ">" : specifier.align + ""; + this.sign = specifier.sign === undefined ? "-" : specifier.sign + ""; + this.symbol = specifier.symbol === undefined ? "" : specifier.symbol + ""; + this.zero = !!specifier.zero; + this.width = specifier.width === undefined ? undefined : +specifier.width; + this.comma = !!specifier.comma; + this.precision = specifier.precision === undefined ? undefined : +specifier.precision; + this.trim = !!specifier.trim; + this.type = specifier.type === undefined ? "" : specifier.type + ""; +} - // First, sort ranges by their minimum longitudes. - if (n = ranges.length) { - ranges.sort(rangeCompare); - - // Then, merge any ranges that overlap. - for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) { - b = ranges[i]; - if (rangeContains(a, b[0]) || rangeContains(a, b[1])) { - if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; - if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; - } else { - merged.push(a = b); - } - } +FormatSpecifier.prototype.toString = function() { + return this.fill + + this.align + + this.sign + + this.symbol + + (this.zero ? "0" : "") + + (this.width === undefined ? "" : Math.max(1, this.width | 0)) + + (this.comma ? "," : "") + + (this.precision === undefined ? "" : "." + Math.max(0, this.precision | 0)) + + (this.trim ? "~" : "") + + this.type; +}; - // Finally, find the largest gap between the merged ranges. - // The final bounding box will be the inverse of this gap. - for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) { - b = merged[i]; - if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1]; +// Trims insignificant zeros, e.g., replaces 1.2000k with 1.2k. +function formatTrim(s) { + out: for (var n = s.length, i = 1, i0 = -1, i1; i < n; ++i) { + switch (s[i]) { + case ".": i0 = i1 = i; break; + case "0": if (i0 === 0) i0 = i; i1 = i; break; + default: if (!+s[i]) break out; if (i0 > 0) i0 = 0; break; } } + return i0 > 0 ? s.slice(0, i0) + s.slice(i1 + 1) : s; +} - ranges = range = null; +var prefixExponent; - return lambda0$1 === Infinity || phi0 === Infinity - ? [[NaN, NaN], [NaN, NaN]] - : [[lambda0$1, phi0], [lambda1, phi1]]; +function formatPrefixAuto(x, p) { + var d = formatDecimalParts(x, p); + if (!d) return x + ""; + var coefficient = d[0], + exponent = d[1], + i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, + n = coefficient.length; + return i === n ? coefficient + : i > n ? coefficient + new Array(i - n + 1).join("0") + : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) + : "0." + new Array(1 - i).join("0") + formatDecimalParts(x, Math.max(0, p + i - 1))[0]; // less than 1y! } -var W0, W1, - X0, Y0, Z0, - X1, Y1, Z1, - X2, Y2, Z2, - lambda00$2, phi00$2, // first point - x0, y0, z0; // previous point +function formatRounded(x, p) { + var d = formatDecimalParts(x, p); + if (!d) return x + ""; + var coefficient = d[0], + exponent = d[1]; + return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient + : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) + : coefficient + new Array(exponent - coefficient.length + 2).join("0"); +} -var centroidStream = { - sphere: noop$2, - point: centroidPoint, - lineStart: centroidLineStart, - lineEnd: centroidLineEnd, - polygonStart: function() { - centroidStream.lineStart = centroidRingStart; - centroidStream.lineEnd = centroidRingEnd; - }, - polygonEnd: function() { - centroidStream.lineStart = centroidLineStart; - centroidStream.lineEnd = centroidLineEnd; - } +var formatTypes = { + "%": (x, p) => (x * 100).toFixed(p), + "b": (x) => Math.round(x).toString(2), + "c": (x) => x + "", + "d": formatDecimal, + "e": (x, p) => x.toExponential(p), + "f": (x, p) => x.toFixed(p), + "g": (x, p) => x.toPrecision(p), + "o": (x) => Math.round(x).toString(8), + "p": (x, p) => formatRounded(x * 100, p), + "r": formatRounded, + "s": formatPrefixAuto, + "X": (x) => Math.round(x).toString(16).toUpperCase(), + "x": (x) => Math.round(x).toString(16) }; -// Arithmetic mean of Cartesian vectors. -function centroidPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi); - centroidPointCartesian(cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)); +function identity$6(x) { + return x; } -function centroidPointCartesian(x, y, z) { - ++W0; - X0 += (x - X0) / W0; - Y0 += (y - Y0) / W0; - Z0 += (z - Z0) / W0; -} +var map = Array.prototype.map, + prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; -function centroidLineStart() { - centroidStream.point = centroidLinePointFirst; -} +function formatLocale$1(locale) { + var group = locale.grouping === undefined || locale.thousands === undefined ? identity$6 : formatGroup(map.call(locale.grouping, Number), locale.thousands + ""), + currencyPrefix = locale.currency === undefined ? "" : locale.currency[0] + "", + currencySuffix = locale.currency === undefined ? "" : locale.currency[1] + "", + decimal = locale.decimal === undefined ? "." : locale.decimal + "", + numerals = locale.numerals === undefined ? identity$6 : formatNumerals(map.call(locale.numerals, String)), + percent = locale.percent === undefined ? "%" : locale.percent + "", + minus = locale.minus === undefined ? "\u2212" : locale.minus + "", + nan = locale.nan === undefined ? "NaN" : locale.nan + ""; -function centroidLinePointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi); - x0 = cosPhi * cos$1(lambda); - y0 = cosPhi * sin$1(lambda); - z0 = sin$1(phi); - centroidStream.point = centroidLinePoint; - centroidPointCartesian(x0, y0, z0); -} + function newFormat(specifier) { + specifier = formatSpecifier(specifier); -function centroidLinePoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi), - x = cosPhi * cos$1(lambda), - y = cosPhi * sin$1(lambda), - z = sin$1(phi), - w = atan2(sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); - W1 += w; - X1 += w * (x0 + (x0 = x)); - Y1 += w * (y0 + (y0 = y)); - Z1 += w * (z0 + (z0 = z)); - centroidPointCartesian(x0, y0, z0); -} + var fill = specifier.fill, + align = specifier.align, + sign = specifier.sign, + symbol = specifier.symbol, + zero = specifier.zero, + width = specifier.width, + comma = specifier.comma, + precision = specifier.precision, + trim = specifier.trim, + type = specifier.type; -function centroidLineEnd() { - centroidStream.point = centroidPoint; -} + // The "n" type is an alias for ",g". + if (type === "n") comma = true, type = "g"; -// See J. E. Brock, The Inertia Tensor for a Spherical Triangle, -// J. Applied Mechanics 42, 239 (1975). -function centroidRingStart() { - centroidStream.point = centroidRingPointFirst; -} + // The "" type, and any invalid type, is an alias for ".12~g". + else if (!formatTypes[type]) precision === undefined && (precision = 12), trim = true, type = "g"; -function centroidRingEnd() { - centroidRingPoint(lambda00$2, phi00$2); - centroidStream.point = centroidPoint; -} + // If zero fill is specified, padding goes after sign and before digits. + if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; -function centroidRingPointFirst(lambda, phi) { - lambda00$2 = lambda, phi00$2 = phi; - lambda *= radians, phi *= radians; - centroidStream.point = centroidRingPoint; - var cosPhi = cos$1(phi); - x0 = cosPhi * cos$1(lambda); - y0 = cosPhi * sin$1(lambda); - z0 = sin$1(phi); - centroidPointCartesian(x0, y0, z0); -} + // Compute the prefix and suffix. + // For SI-prefix, the suffix is lazily computed. + var prefix = symbol === "$" ? currencyPrefix : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", + suffix = symbol === "$" ? currencySuffix : /[%p]/.test(type) ? percent : ""; -function centroidRingPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi), - x = cosPhi * cos$1(lambda), - y = cosPhi * sin$1(lambda), - z = sin$1(phi), - cx = y0 * z - z0 * y, - cy = z0 * x - x0 * z, - cz = x0 * y - y0 * x, - m = sqrt(cx * cx + cy * cy + cz * cz), - w = asin(m), // line weight = angle - v = m && -w / m; // area weight multiplier - X2 += v * cx; - Y2 += v * cy; - Z2 += v * cz; - W1 += w; - X1 += w * (x0 + (x0 = x)); - Y1 += w * (y0 + (y0 = y)); - Z1 += w * (z0 + (z0 = z)); - centroidPointCartesian(x0, y0, z0); -} + // What format function should we use? + // Is this an integer type? + // Can this type generate exponential notation? + var formatType = formatTypes[type], + maybeSuffix = /[defgprs%]/.test(type); -function centroid(object) { - W0 = W1 = - X0 = Y0 = Z0 = - X1 = Y1 = Z1 = - X2 = Y2 = Z2 = 0; - geoStream(object, centroidStream); + // Set the default precision if not specified, + // or clamp the specified precision to the supported range. + // For significant precision, it must be in [1, 21]. + // For fixed precision, it must be in [0, 20]. + precision = precision === undefined ? 6 + : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) + : Math.max(0, Math.min(20, precision)); - var x = X2, - y = Y2, - z = Z2, - m = x * x + y * y + z * z; + function format(value) { + var valuePrefix = prefix, + valueSuffix = suffix, + i, n, c; - // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid. - if (m < epsilon2$1) { - x = X1, y = Y1, z = Z1; - // If the feature has zero length, fall back to arithmetic mean of point vectors. - if (W1 < epsilon$2) x = X0, y = Y0, z = Z0; - m = x * x + y * y + z * z; - // If the feature still has an undefined ccentroid, then return. - if (m < epsilon2$1) return [NaN, NaN]; - } + if (type === "c") { + valueSuffix = formatType(value) + valueSuffix; + value = ""; + } else { + value = +value; - return [atan2(y, x) * degrees$1, asin(z / sqrt(m)) * degrees$1]; -} + // Determine the sign. -0 is not less than 0, but 1 / -0 is! + var valueNegative = value < 0 || 1 / value < 0; -function constant$8(x) { - return function() { - return x; - }; -} + // Perform the initial formatting. + value = isNaN(value) ? nan : formatType(Math.abs(value), precision); -function compose(a, b) { + // Trim insignificant zeros. + if (trim) value = formatTrim(value); - function compose(x, y) { - return x = a(x, y), b(x[0], x[1]); - } + // If a negative value rounds to zero after formatting, and no explicit positive sign is requested, hide the sign. + if (valueNegative && +value === 0 && sign !== "+") valueNegative = false; - if (a.invert && b.invert) compose.invert = function(x, y) { - return x = b.invert(x, y), x && a.invert(x[0], x[1]); - }; + // Compute the prefix and suffix. + valuePrefix = (valueNegative ? (sign === "(" ? sign : minus) : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; + valueSuffix = (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + valueSuffix + (valueNegative && sign === "(" ? ")" : ""); - return compose; -} + // Break the formatted value into the integer “value” part that can be + // grouped, and fractional or exponential “suffix” part that is not. + if (maybeSuffix) { + i = -1, n = value.length; + while (++i < n) { + if (c = value.charCodeAt(i), 48 > c || c > 57) { + valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix; + value = value.slice(0, i); + break; + } + } + } + } -function rotationIdentity(lambda, phi) { - return [abs(lambda) > pi$3 ? lambda + Math.round(-lambda / tau$3) * tau$3 : lambda, phi]; -} + // If the fill character is not "0", grouping is applied before padding. + if (comma && !zero) value = group(value, Infinity); -rotationIdentity.invert = rotationIdentity; + // Compute the padding. + var length = valuePrefix.length + value.length + valueSuffix.length, + padding = length < width ? new Array(width - length + 1).join(fill) : ""; -function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { - return (deltaLambda %= tau$3) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) - : rotationLambda(deltaLambda)) - : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) - : rotationIdentity); -} + // If the fill character is "0", grouping is applied after padding. + if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; -function forwardRotationLambda(deltaLambda) { - return function(lambda, phi) { - return lambda += deltaLambda, [lambda > pi$3 ? lambda - tau$3 : lambda < -pi$3 ? lambda + tau$3 : lambda, phi]; - }; -} + // Reconstruct the final output based on the desired alignment. + switch (align) { + case "<": value = valuePrefix + value + valueSuffix + padding; break; + case "=": value = valuePrefix + padding + value + valueSuffix; break; + case "^": value = padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); break; + default: value = padding + valuePrefix + value + valueSuffix; break; + } -function rotationLambda(deltaLambda) { - var rotation = forwardRotationLambda(deltaLambda); - rotation.invert = forwardRotationLambda(-deltaLambda); - return rotation; -} + return numerals(value); + } -function rotationPhiGamma(deltaPhi, deltaGamma) { - var cosDeltaPhi = cos$1(deltaPhi), - sinDeltaPhi = sin$1(deltaPhi), - cosDeltaGamma = cos$1(deltaGamma), - sinDeltaGamma = sin$1(deltaGamma); + format.toString = function() { + return specifier + ""; + }; - function rotation(lambda, phi) { - var cosPhi = cos$1(phi), - x = cos$1(lambda) * cosPhi, - y = sin$1(lambda) * cosPhi, - z = sin$1(phi), - k = z * cosDeltaPhi + x * sinDeltaPhi; - return [ - atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi), - asin(k * cosDeltaGamma + y * sinDeltaGamma) - ]; + return format; } - rotation.invert = function(lambda, phi) { - var cosPhi = cos$1(phi), - x = cos$1(lambda) * cosPhi, - y = sin$1(lambda) * cosPhi, - z = sin$1(phi), - k = z * cosDeltaGamma - y * sinDeltaGamma; - return [ - atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi), - asin(k * cosDeltaPhi - x * sinDeltaPhi) - ]; - }; + function formatPrefix(specifier, value) { + var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), + e = Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3, + k = Math.pow(10, -e), + prefix = prefixes[8 + e / 3]; + return function(value) { + return f(k * value) + prefix; + }; + } - return rotation; + return { + format: newFormat, + formatPrefix: formatPrefix + }; } -function rotation(rotate) { - rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); - - function forward(coordinates) { - coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians); - return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; - } +var locale$1; +exports.format = void 0; +exports.formatPrefix = void 0; - forward.invert = function(coordinates) { - coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians); - return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; - }; +defaultLocale$1({ + thousands: ",", + grouping: [3], + currency: ["$", ""] +}); - return forward; +function defaultLocale$1(definition) { + locale$1 = formatLocale$1(definition); + exports.format = locale$1.format; + exports.formatPrefix = locale$1.formatPrefix; + return locale$1; } -// Generates a circle centered at [0°, 0°], with a given radius and precision. -function circleStream(stream, radius, delta, direction, t0, t1) { - if (!delta) return; - var cosRadius = cos$1(radius), - sinRadius = sin$1(radius), - step = direction * delta; - if (t0 == null) { - t0 = radius + direction * tau$3; - t1 = radius - step / 2; - } else { - t0 = circleRadius(cosRadius, t0); - t1 = circleRadius(cosRadius, t1); - if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$3; - } - for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) { - point = spherical([cosRadius, -sinRadius * cos$1(t), -sinRadius * sin$1(t)]); - stream.point(point[0], point[1]); - } +function precisionFixed(step) { + return Math.max(0, -exponent(Math.abs(step))); } -// Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0]. -function circleRadius(cosRadius, point) { - point = cartesian(point), point[0] -= cosRadius; - cartesianNormalizeInPlace(point); - var radius = acos(-point[1]); - return ((-point[2] < 0 ? -radius : radius) + tau$3 - epsilon$2) % tau$3; +function precisionPrefix(step, value) { + return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3 - exponent(Math.abs(step))); } -function circle() { - var center = constant$8([0, 0]), - radius = constant$8(90), - precision = constant$8(6), - ring, - rotate, - stream = {point: point}; - - function point(x, y) { - ring.push(x = rotate(x, y)); - x[0] *= degrees$1, x[1] *= degrees$1; - } - - function circle() { - var c = center.apply(this, arguments), - r = radius.apply(this, arguments) * radians, - p = precision.apply(this, arguments) * radians; - ring = []; - rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert; - circleStream(stream, r, p, 1); - c = {type: "Polygon", coordinates: [ring]}; - ring = rotate = null; - return c; - } +function precisionRound(step, max) { + step = Math.abs(step), max = Math.abs(max) - step; + return Math.max(0, exponent(max) - exponent(step)) + 1; +} - circle.center = function(_) { - return arguments.length ? (center = typeof _ === "function" ? _ : constant$8([+_[0], +_[1]]), circle) : center; - }; +var epsilon$1 = 1e-6; +var epsilon2 = 1e-12; +var pi$1 = Math.PI; +var halfPi$1 = pi$1 / 2; +var quarterPi = pi$1 / 4; +var tau$1 = pi$1 * 2; - circle.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$8(+_), circle) : radius; - }; +var degrees = 180 / pi$1; +var radians = pi$1 / 180; - circle.precision = function(_) { - return arguments.length ? (precision = typeof _ === "function" ? _ : constant$8(+_), circle) : precision; - }; +var abs$1 = Math.abs; +var atan = Math.atan; +var atan2$1 = Math.atan2; +var cos$1 = Math.cos; +var ceil = Math.ceil; +var exp = Math.exp; +var hypot = Math.hypot; +var log$1 = Math.log; +var pow$1 = Math.pow; +var sin$1 = Math.sin; +var sign$1 = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; }; +var sqrt$2 = Math.sqrt; +var tan = Math.tan; - return circle; +function acos$1(x) { + return x > 1 ? 0 : x < -1 ? pi$1 : Math.acos(x); } -function clipBuffer() { - var lines = [], - line; - return { - point: function(x, y) { - line.push([x, y]); - }, - lineStart: function() { - lines.push(line = []); - }, - lineEnd: noop$2, - rejoin: function() { - if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); - }, - result: function() { - var result = lines; - lines = []; - line = null; - return result; - } - }; +function asin$1(x) { + return x > 1 ? halfPi$1 : x < -1 ? -halfPi$1 : Math.asin(x); } -function pointEqual(a, b) { - return abs(a[0] - b[0]) < epsilon$2 && abs(a[1] - b[1]) < epsilon$2; +function haversin(x) { + return (x = sin$1(x / 2)) * x; } -function Intersection(point, points, other, entry) { - this.x = point; - this.z = points; - this.o = other; // another intersection - this.e = entry; // is an entry? - this.v = false; // visited - this.n = this.p = null; // next & previous +function noop$1() {} + +function streamGeometry(geometry, stream) { + if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { + streamGeometryType[geometry.type](geometry, stream); + } } -// A generalized polygon clipping algorithm: given a polygon that has been cut -// into its visible line segments, and rejoins the segments by interpolating -// along the clip edge. -function clipRejoin(segments, compareIntersection, startInside, interpolate, stream) { - var subject = [], - clip = [], - i, - n; +var streamObjectType = { + Feature: function(object, stream) { + streamGeometry(object.geometry, stream); + }, + FeatureCollection: function(object, stream) { + var features = object.features, i = -1, n = features.length; + while (++i < n) streamGeometry(features[i].geometry, stream); + } +}; - segments.forEach(function(segment) { - if ((n = segment.length - 1) <= 0) return; - var n, p0 = segment[0], p1 = segment[n], x; +var streamGeometryType = { + Sphere: function(object, stream) { + stream.sphere(); + }, + Point: function(object, stream) { + object = object.coordinates; + stream.point(object[0], object[1], object[2]); + }, + MultiPoint: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]); + }, + LineString: function(object, stream) { + streamLine(object.coordinates, stream, 0); + }, + MultiLineString: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) streamLine(coordinates[i], stream, 0); + }, + Polygon: function(object, stream) { + streamPolygon(object.coordinates, stream); + }, + MultiPolygon: function(object, stream) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) streamPolygon(coordinates[i], stream); + }, + GeometryCollection: function(object, stream) { + var geometries = object.geometries, i = -1, n = geometries.length; + while (++i < n) streamGeometry(geometries[i], stream); + } +}; - // If the first and last points of a segment are coincident, then treat as a - // closed ring. TODO if all rings are closed, then the winding order of the - // exterior ring should be checked. - if (pointEqual(p0, p1)) { - stream.lineStart(); - for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]); - stream.lineEnd(); - return; - } +function streamLine(coordinates, stream, closed) { + var i = -1, n = coordinates.length - closed, coordinate; + stream.lineStart(); + while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]); + stream.lineEnd(); +} - subject.push(x = new Intersection(p0, segment, null, true)); - clip.push(x.o = new Intersection(p0, null, x, false)); - subject.push(x = new Intersection(p1, segment, null, false)); - clip.push(x.o = new Intersection(p1, null, x, true)); - }); +function streamPolygon(coordinates, stream) { + var i = -1, n = coordinates.length; + stream.polygonStart(); + while (++i < n) streamLine(coordinates[i], stream, 1); + stream.polygonEnd(); +} - if (!subject.length) return; +function geoStream(object, stream) { + if (object && streamObjectType.hasOwnProperty(object.type)) { + streamObjectType[object.type](object, stream); + } else { + streamGeometry(object, stream); + } +} - clip.sort(compareIntersection); - link$1(subject); - link$1(clip); +var areaRingSum$1 = new Adder(); - for (i = 0, n = clip.length; i < n; ++i) { - clip[i].e = startInside = !startInside; +// hello? + +var areaSum$1 = new Adder(), + lambda00$2, + phi00$2, + lambda0$2, + cosPhi0$1, + sinPhi0$1; + +var areaStream$1 = { + point: noop$1, + lineStart: noop$1, + lineEnd: noop$1, + polygonStart: function() { + areaRingSum$1 = new Adder(); + areaStream$1.lineStart = areaRingStart$1; + areaStream$1.lineEnd = areaRingEnd$1; + }, + polygonEnd: function() { + var areaRing = +areaRingSum$1; + areaSum$1.add(areaRing < 0 ? tau$1 + areaRing : areaRing); + this.lineStart = this.lineEnd = this.point = noop$1; + }, + sphere: function() { + areaSum$1.add(tau$1); } +}; - var start = subject[0], - points, - point; +function areaRingStart$1() { + areaStream$1.point = areaPointFirst$1; +} - while (1) { - // Find first unvisited intersection. - var current = start, - isSubject = true; - while (current.v) if ((current = current.n) === start) return; - points = current.z; - stream.lineStart(); - do { - current.v = current.o.v = true; - if (current.e) { - if (isSubject) { - for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.n.x, 1, stream); - } - current = current.n; +function areaRingEnd$1() { + areaPoint$1(lambda00$2, phi00$2); +} + +function areaPointFirst$1(lambda, phi) { + areaStream$1.point = areaPoint$1; + lambda00$2 = lambda, phi00$2 = phi; + lambda *= radians, phi *= radians; + lambda0$2 = lambda, cosPhi0$1 = cos$1(phi = phi / 2 + quarterPi), sinPhi0$1 = sin$1(phi); +} + +function areaPoint$1(lambda, phi) { + lambda *= radians, phi *= radians; + phi = phi / 2 + quarterPi; // half the angular distance from south pole + + // Spherical excess E for a spherical triangle with vertices: south pole, + // previous point, current point. Uses a formula derived from Cagnoli’s + // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2). + var dLambda = lambda - lambda0$2, + sdLambda = dLambda >= 0 ? 1 : -1, + adLambda = sdLambda * dLambda, + cosPhi = cos$1(phi), + sinPhi = sin$1(phi), + k = sinPhi0$1 * sinPhi, + u = cosPhi0$1 * cosPhi + k * cos$1(adLambda), + v = k * sdLambda * sin$1(adLambda); + areaRingSum$1.add(atan2$1(v, u)); + + // Advance the previous points. + lambda0$2 = lambda, cosPhi0$1 = cosPhi, sinPhi0$1 = sinPhi; +} + +function area$2(object) { + areaSum$1 = new Adder(); + geoStream(object, areaStream$1); + return areaSum$1 * 2; +} + +function spherical(cartesian) { + return [atan2$1(cartesian[1], cartesian[0]), asin$1(cartesian[2])]; +} + +function cartesian(spherical) { + var lambda = spherical[0], phi = spherical[1], cosPhi = cos$1(phi); + return [cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)]; +} + +function cartesianDot(a, b) { + return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; +} + +function cartesianCross(a, b) { + return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]]; +} + +// TODO return a +function cartesianAddInPlace(a, b) { + a[0] += b[0], a[1] += b[1], a[2] += b[2]; +} + +function cartesianScale(vector, k) { + return [vector[0] * k, vector[1] * k, vector[2] * k]; +} + +// TODO return d +function cartesianNormalizeInPlace(d) { + var l = sqrt$2(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); + d[0] /= l, d[1] /= l, d[2] /= l; +} + +var lambda0$1, phi0, lambda1, phi1, // bounds + lambda2, // previous lambda-coordinate + lambda00$1, phi00$1, // first point + p0, // previous 3D point + deltaSum, + ranges, + range; + +var boundsStream$1 = { + point: boundsPoint$1, + lineStart: boundsLineStart, + lineEnd: boundsLineEnd, + polygonStart: function() { + boundsStream$1.point = boundsRingPoint; + boundsStream$1.lineStart = boundsRingStart; + boundsStream$1.lineEnd = boundsRingEnd; + deltaSum = new Adder(); + areaStream$1.polygonStart(); + }, + polygonEnd: function() { + areaStream$1.polygonEnd(); + boundsStream$1.point = boundsPoint$1; + boundsStream$1.lineStart = boundsLineStart; + boundsStream$1.lineEnd = boundsLineEnd; + if (areaRingSum$1 < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); + else if (deltaSum > epsilon$1) phi1 = 90; + else if (deltaSum < -epsilon$1) phi0 = -90; + range[0] = lambda0$1, range[1] = lambda1; + }, + sphere: function() { + lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); + } +}; + +function boundsPoint$1(lambda, phi) { + ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; +} + +function linePoint(lambda, phi) { + var p = cartesian([lambda * radians, phi * radians]); + if (p0) { + var normal = cartesianCross(p0, p), + equatorial = [normal[1], -normal[0], 0], + inflection = cartesianCross(equatorial, normal); + cartesianNormalizeInPlace(inflection); + inflection = spherical(inflection); + var delta = lambda - lambda2, + sign = delta > 0 ? 1 : -1, + lambdai = inflection[0] * degrees * sign, + phii, + antimeridian = abs$1(delta) > 180; + if (antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { + phii = inflection[1] * degrees; + if (phii > phi1) phi1 = phii; + } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { + phii = -inflection[1] * degrees; + if (phii < phi0) phi0 = phii; + } else { + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; + } + if (antimeridian) { + if (lambda < lambda2) { + if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; } else { - if (isSubject) { - points = current.p.z; - for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]); + if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; + } + } else { + if (lambda1 >= lambda0$1) { + if (lambda < lambda0$1) lambda0$1 = lambda; + if (lambda > lambda1) lambda1 = lambda; + } else { + if (lambda > lambda2) { + if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; } else { - interpolate(current.x, current.p.x, -1, stream); + if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; } - current = current.p; } - current = current.o; - points = current.z; - isSubject = !isSubject; - } while (!current.v); - stream.lineEnd(); + } + } else { + ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); } + if (phi < phi0) phi0 = phi; + if (phi > phi1) phi1 = phi; + p0 = p, lambda2 = lambda; } -function link$1(array) { - if (!(n = array.length)) return; - var n, - i = 0, - a = array[0], - b; - while (++i < n) { - a.n = b = array[i]; - b.p = a; - a = b; +function boundsLineStart() { + boundsStream$1.point = linePoint; +} + +function boundsLineEnd() { + range[0] = lambda0$1, range[1] = lambda1; + boundsStream$1.point = boundsPoint$1; + p0 = null; +} + +function boundsRingPoint(lambda, phi) { + if (p0) { + var delta = lambda - lambda2; + deltaSum.add(abs$1(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta); + } else { + lambda00$1 = lambda, phi00$1 = phi; } - a.n = b = array[0]; - b.p = a; + areaStream$1.point(lambda, phi); + linePoint(lambda, phi); } -var sum$1 = adder(); +function boundsRingStart() { + areaStream$1.lineStart(); +} -function longitude(point) { - if (abs(point[0]) <= pi$3) - return point[0]; - else - return sign(point[0]) * ((abs(point[0]) + pi$3) % tau$3 - pi$3); +function boundsRingEnd() { + boundsRingPoint(lambda00$1, phi00$1); + areaStream$1.lineEnd(); + if (abs$1(deltaSum) > epsilon$1) lambda0$1 = -(lambda1 = 180); + range[0] = lambda0$1, range[1] = lambda1; + p0 = null; } -function polygonContains(polygon, point) { - var lambda = longitude(point), - phi = point[1], - sinPhi = sin$1(phi), - normal = [sin$1(lambda), -cos$1(lambda), 0], - angle = 0, - winding = 0; +// Finds the left-right distance between two longitudes. +// This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want +// the distance between ±180° to be 360°. +function angle(lambda0, lambda1) { + return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1; +} - sum$1.reset(); +function rangeCompare(a, b) { + return a[0] - b[0]; +} - if (sinPhi === 1) phi = halfPi$2 + epsilon$2; - else if (sinPhi === -1) phi = -halfPi$2 - epsilon$2; +function rangeContains(range, x) { + return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; +} - for (var i = 0, n = polygon.length; i < n; ++i) { - if (!(m = (ring = polygon[i]).length)) continue; - var ring, - m, - point0 = ring[m - 1], - lambda0 = longitude(point0), - phi0 = point0[1] / 2 + quarterPi, - sinPhi0 = sin$1(phi0), - cosPhi0 = cos$1(phi0); +function bounds(feature) { + var i, n, a, b, merged, deltaMax, delta; - for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { - var point1 = ring[j], - lambda1 = longitude(point1), - phi1 = point1[1] / 2 + quarterPi, - sinPhi1 = sin$1(phi1), - cosPhi1 = cos$1(phi1), - delta = lambda1 - lambda0, - sign = delta >= 0 ? 1 : -1, - absDelta = sign * delta, - antimeridian = absDelta > pi$3, - k = sinPhi0 * sinPhi1; + phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); + ranges = []; + geoStream(feature, boundsStream$1); - sum$1.add(atan2(k * sign * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); - angle += antimeridian ? delta + sign * tau$3 : delta; + // First, sort ranges by their minimum longitudes. + if (n = ranges.length) { + ranges.sort(rangeCompare); - // Are the longitudes either side of the point’s meridian (lambda), - // and are the latitudes smaller than the parallel (phi)? - if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) { - var arc = cartesianCross(cartesian(point0), cartesian(point1)); - cartesianNormalizeInPlace(arc); - var intersection = cartesianCross(normal, arc); - cartesianNormalizeInPlace(intersection); - var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin(intersection[2]); - if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) { - winding += antimeridian ^ delta >= 0 ? 1 : -1; - } + // Then, merge any ranges that overlap. + for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) { + b = ranges[i]; + if (rangeContains(a, b[0]) || rangeContains(a, b[1])) { + if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; + if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; + } else { + merged.push(a = b); } } + + // Finally, find the largest gap between the merged ranges. + // The final bounding box will be the inverse of this gap. + for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) { + b = merged[i]; + if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1]; + } } - // First, determine whether the South pole is inside or outside: - // - // It is inside if: - // * the polygon winds around it in a clockwise direction. - // * the polygon does not (cumulatively) wind around it, but has a negative - // (counter-clockwise) area. - // - // Second, count the (signed) number of times a segment crosses a lambda - // from the point to the South pole. If it is zero, then the point is the - // same side as the South pole. + ranges = range = null; - return (angle < -epsilon$2 || angle < epsilon$2 && sum$1 < -epsilon$2) ^ (winding & 1); + return lambda0$1 === Infinity || phi0 === Infinity + ? [[NaN, NaN], [NaN, NaN]] + : [[lambda0$1, phi0], [lambda1, phi1]]; } -function clip(pointVisible, clipLine, interpolate, start) { - return function(sink) { - var line = clipLine(sink), - ringBuffer = clipBuffer(), - ringSink = clipLine(ringBuffer), - polygonStarted = false, - polygon, - segments, - ring; +var W0, W1, + X0$1, Y0$1, Z0$1, + X1$1, Y1$1, Z1$1, + X2$1, Y2$1, Z2$1, + lambda00, phi00, // first point + x0$4, y0$4, z0; // previous point - var clip = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - clip.point = pointRing; - clip.lineStart = ringStart; - clip.lineEnd = ringEnd; - segments = []; - polygon = []; - }, - polygonEnd: function() { - clip.point = point; - clip.lineStart = lineStart; - clip.lineEnd = lineEnd; - segments = merge(segments); - var startInside = polygonContains(polygon, start); - if (segments.length) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - clipRejoin(segments, compareIntersection, startInside, interpolate, sink); - } else if (startInside) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - } - if (polygonStarted) sink.polygonEnd(), polygonStarted = false; - segments = polygon = null; - }, - sphere: function() { - sink.polygonStart(); - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - sink.polygonEnd(); - } - }; +var centroidStream$1 = { + sphere: noop$1, + point: centroidPoint$1, + lineStart: centroidLineStart$1, + lineEnd: centroidLineEnd$1, + polygonStart: function() { + centroidStream$1.lineStart = centroidRingStart$1; + centroidStream$1.lineEnd = centroidRingEnd$1; + }, + polygonEnd: function() { + centroidStream$1.lineStart = centroidLineStart$1; + centroidStream$1.lineEnd = centroidLineEnd$1; + } +}; - function point(lambda, phi) { - if (pointVisible(lambda, phi)) sink.point(lambda, phi); - } +// Arithmetic mean of Cartesian vectors. +function centroidPoint$1(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi); + centroidPointCartesian(cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)); +} - function pointLine(lambda, phi) { - line.point(lambda, phi); - } +function centroidPointCartesian(x, y, z) { + ++W0; + X0$1 += (x - X0$1) / W0; + Y0$1 += (y - Y0$1) / W0; + Z0$1 += (z - Z0$1) / W0; +} - function lineStart() { - clip.point = pointLine; - line.lineStart(); - } +function centroidLineStart$1() { + centroidStream$1.point = centroidLinePointFirst; +} - function lineEnd() { - clip.point = point; - line.lineEnd(); - } +function centroidLinePointFirst(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi); + x0$4 = cosPhi * cos$1(lambda); + y0$4 = cosPhi * sin$1(lambda); + z0 = sin$1(phi); + centroidStream$1.point = centroidLinePoint; + centroidPointCartesian(x0$4, y0$4, z0); +} - function pointRing(lambda, phi) { - ring.push([lambda, phi]); - ringSink.point(lambda, phi); - } +function centroidLinePoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi), + x = cosPhi * cos$1(lambda), + y = cosPhi * sin$1(lambda), + z = sin$1(phi), + w = atan2$1(sqrt$2((w = y0$4 * z - z0 * y) * w + (w = z0 * x - x0$4 * z) * w + (w = x0$4 * y - y0$4 * x) * w), x0$4 * x + y0$4 * y + z0 * z); + W1 += w; + X1$1 += w * (x0$4 + (x0$4 = x)); + Y1$1 += w * (y0$4 + (y0$4 = y)); + Z1$1 += w * (z0 + (z0 = z)); + centroidPointCartesian(x0$4, y0$4, z0); +} - function ringStart() { - ringSink.lineStart(); - ring = []; - } +function centroidLineEnd$1() { + centroidStream$1.point = centroidPoint$1; +} - function ringEnd() { - pointRing(ring[0][0], ring[0][1]); - ringSink.lineEnd(); +// See J. E. Brock, The Inertia Tensor for a Spherical Triangle, +// J. Applied Mechanics 42, 239 (1975). +function centroidRingStart$1() { + centroidStream$1.point = centroidRingPointFirst; +} - var clean = ringSink.clean(), - ringSegments = ringBuffer.result(), - i, n = ringSegments.length, m, - segment, - point; +function centroidRingEnd$1() { + centroidRingPoint(lambda00, phi00); + centroidStream$1.point = centroidPoint$1; +} - ring.pop(); - polygon.push(ring); - ring = null; +function centroidRingPointFirst(lambda, phi) { + lambda00 = lambda, phi00 = phi; + lambda *= radians, phi *= radians; + centroidStream$1.point = centroidRingPoint; + var cosPhi = cos$1(phi); + x0$4 = cosPhi * cos$1(lambda); + y0$4 = cosPhi * sin$1(lambda); + z0 = sin$1(phi); + centroidPointCartesian(x0$4, y0$4, z0); +} - if (!n) return; +function centroidRingPoint(lambda, phi) { + lambda *= radians, phi *= radians; + var cosPhi = cos$1(phi), + x = cosPhi * cos$1(lambda), + y = cosPhi * sin$1(lambda), + z = sin$1(phi), + cx = y0$4 * z - z0 * y, + cy = z0 * x - x0$4 * z, + cz = x0$4 * y - y0$4 * x, + m = hypot(cx, cy, cz), + w = asin$1(m), // line weight = angle + v = m && -w / m; // area weight multiplier + X2$1.add(v * cx); + Y2$1.add(v * cy); + Z2$1.add(v * cz); + W1 += w; + X1$1 += w * (x0$4 + (x0$4 = x)); + Y1$1 += w * (y0$4 + (y0$4 = y)); + Z1$1 += w * (z0 + (z0 = z)); + centroidPointCartesian(x0$4, y0$4, z0); +} - // No intersections. - if (clean & 1) { - segment = ringSegments[0]; - if ((m = segment.length - 1) > 0) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); - sink.lineEnd(); - } - return; - } +function centroid$1(object) { + W0 = W1 = + X0$1 = Y0$1 = Z0$1 = + X1$1 = Y1$1 = Z1$1 = 0; + X2$1 = new Adder(); + Y2$1 = new Adder(); + Z2$1 = new Adder(); + geoStream(object, centroidStream$1); + + var x = +X2$1, + y = +Y2$1, + z = +Z2$1, + m = hypot(x, y, z); - // Rejoin connected segments. - // TODO reuse ringBuffer.rejoin()? - if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); + // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid. + if (m < epsilon2) { + x = X1$1, y = Y1$1, z = Z1$1; + // If the feature has zero length, fall back to arithmetic mean of point vectors. + if (W1 < epsilon$1) x = X0$1, y = Y0$1, z = Z0$1; + m = hypot(x, y, z); + // If the feature still has an undefined ccentroid, then return. + if (m < epsilon2) return [NaN, NaN]; + } - segments.push(ringSegments.filter(validSegment)); - } + return [atan2$1(y, x) * degrees, asin$1(z / m) * degrees]; +} - return clip; +function constant$3(x) { + return function() { + return x; }; } -function validSegment(segment) { - return segment.length > 1; +function compose(a, b) { + + function compose(x, y) { + return x = a(x, y), b(x[0], x[1]); + } + + if (a.invert && b.invert) compose.invert = function(x, y) { + return x = b.invert(x, y), x && a.invert(x[0], x[1]); + }; + + return compose; } -// Intersections are sorted along the clip edge. For both antimeridian cutting -// and circle clipping, the same comparison is used. -function compareIntersection(a, b) { - return ((a = a.x)[0] < 0 ? a[1] - halfPi$2 - epsilon$2 : halfPi$2 - a[1]) - - ((b = b.x)[0] < 0 ? b[1] - halfPi$2 - epsilon$2 : halfPi$2 - b[1]); +function rotationIdentity(lambda, phi) { + return [abs$1(lambda) > pi$1 ? lambda + Math.round(-lambda / tau$1) * tau$1 : lambda, phi]; } -var clipAntimeridian = clip( - function() { return true; }, - clipAntimeridianLine, - clipAntimeridianInterpolate, - [-pi$3, -halfPi$2] -); +rotationIdentity.invert = rotationIdentity; -// Takes a line and cuts into visible segments. Return values: 0 - there were -// intersections or the line was empty; 1 - no intersections; 2 - there were -// intersections, and the first and last segments should be rejoined. -function clipAntimeridianLine(stream) { - var lambda0 = NaN, - phi0 = NaN, - sign0 = NaN, - clean; // no intersections +function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { + return (deltaLambda %= tau$1) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) + : rotationLambda(deltaLambda)) + : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) + : rotationIdentity); +} - return { - lineStart: function() { - stream.lineStart(); - clean = 1; - }, - point: function(lambda1, phi1) { - var sign1 = lambda1 > 0 ? pi$3 : -pi$3, - delta = abs(lambda1 - lambda0); - if (abs(delta - pi$3) < epsilon$2) { // line crosses a pole - stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$2 : -halfPi$2); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - stream.point(lambda1, phi0); - clean = 0; - } else if (sign0 !== sign1 && delta >= pi$3) { // line crosses antimeridian - if (abs(lambda0 - sign0) < epsilon$2) lambda0 -= sign0 * epsilon$2; // handle degeneracies - if (abs(lambda1 - sign1) < epsilon$2) lambda1 -= sign1 * epsilon$2; - phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - clean = 0; - } - stream.point(lambda0 = lambda1, phi0 = phi1); - sign0 = sign1; - }, - lineEnd: function() { - stream.lineEnd(); - lambda0 = phi0 = NaN; - }, - clean: function() { - return 2 - clean; // if intersections, rejoin first and last segments - } +function forwardRotationLambda(deltaLambda) { + return function(lambda, phi) { + return lambda += deltaLambda, [lambda > pi$1 ? lambda - tau$1 : lambda < -pi$1 ? lambda + tau$1 : lambda, phi]; }; } -function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { - var cosPhi0, - cosPhi1, - sinLambda0Lambda1 = sin$1(lambda0 - lambda1); - return abs(sinLambda0Lambda1) > epsilon$2 - ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) - - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) - / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) - : (phi0 + phi1) / 2; +function rotationLambda(deltaLambda) { + var rotation = forwardRotationLambda(deltaLambda); + rotation.invert = forwardRotationLambda(-deltaLambda); + return rotation; } -function clipAntimeridianInterpolate(from, to, direction, stream) { - var phi; - if (from == null) { - phi = direction * halfPi$2; - stream.point(-pi$3, phi); - stream.point(0, phi); - stream.point(pi$3, phi); - stream.point(pi$3, 0); - stream.point(pi$3, -phi); - stream.point(0, -phi); - stream.point(-pi$3, -phi); - stream.point(-pi$3, 0); - stream.point(-pi$3, phi); - } else if (abs(from[0] - to[0]) > epsilon$2) { - var lambda = from[0] < to[0] ? pi$3 : -pi$3; - phi = direction * lambda / 2; - stream.point(-lambda, phi); - stream.point(0, phi); - stream.point(lambda, phi); - } else { - stream.point(to[0], to[1]); +function rotationPhiGamma(deltaPhi, deltaGamma) { + var cosDeltaPhi = cos$1(deltaPhi), + sinDeltaPhi = sin$1(deltaPhi), + cosDeltaGamma = cos$1(deltaGamma), + sinDeltaGamma = sin$1(deltaGamma); + + function rotation(lambda, phi) { + var cosPhi = cos$1(phi), + x = cos$1(lambda) * cosPhi, + y = sin$1(lambda) * cosPhi, + z = sin$1(phi), + k = z * cosDeltaPhi + x * sinDeltaPhi; + return [ + atan2$1(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi), + asin$1(k * cosDeltaGamma + y * sinDeltaGamma) + ]; } -} -function clipCircle(radius) { - var cr = cos$1(radius), - delta = 6 * radians, - smallRadius = cr > 0, - notHemisphere = abs(cr) > epsilon$2; // TODO optimise for this common case + rotation.invert = function(lambda, phi) { + var cosPhi = cos$1(phi), + x = cos$1(lambda) * cosPhi, + y = sin$1(lambda) * cosPhi, + z = sin$1(phi), + k = z * cosDeltaGamma - y * sinDeltaGamma; + return [ + atan2$1(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi), + asin$1(k * cosDeltaPhi - x * sinDeltaPhi) + ]; + }; - function interpolate(from, to, direction, stream) { - circleStream(stream, radius, delta, direction, from, to); - } + return rotation; +} - function visible(lambda, phi) { - return cos$1(lambda) * cos$1(phi) > cr; - } +function rotation(rotate) { + rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); - // Takes a line and cuts into visible segments. Return values used for polygon - // clipping: 0 - there were intersections or the line was empty; 1 - no - // intersections 2 - there were intersections, and the first and last segments - // should be rejoined. - function clipLine(stream) { - var point0, // previous point - c0, // code for previous point - v0, // visibility of previous point - v00, // visibility of first point - clean; // no intersections - return { - lineStart: function() { - v00 = v0 = false; - clean = 1; - }, - point: function(lambda, phi) { - var point1 = [lambda, phi], - point2, - v = visible(lambda, phi), - c = smallRadius - ? v ? 0 : code(lambda, phi) - : v ? code(lambda + (lambda < 0 ? pi$3 : -pi$3), phi) : 0; - if (!point0 && (v00 = v0 = v)) stream.lineStart(); - // Handle degeneracies. - // TODO ignore if not clipping polygons. - if (v !== v0) { - point2 = intersect(point0, point1); - if (!point2 || pointEqual(point0, point2) || pointEqual(point1, point2)) { - point1[0] += epsilon$2; - point1[1] += epsilon$2; - v = visible(point1[0], point1[1]); - } - } - if (v !== v0) { - clean = 0; - if (v) { - // outside going in - stream.lineStart(); - point2 = intersect(point1, point0); - stream.point(point2[0], point2[1]); - } else { - // inside going out - point2 = intersect(point0, point1); - stream.point(point2[0], point2[1]); - stream.lineEnd(); - } - point0 = point2; - } else if (notHemisphere && point0 && smallRadius ^ v) { - var t; - // If the codes for two points are different, or are both zero, - // and there this segment intersects with the small circle. - if (!(c & c0) && (t = intersect(point1, point0, true))) { - clean = 0; - if (smallRadius) { - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - } else { - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - } - } - } - if (v && (!point0 || !pointEqual(point0, point1))) { - stream.point(point1[0], point1[1]); - } - point0 = point1, v0 = v, c0 = c; - }, - lineEnd: function() { - if (v0) stream.lineEnd(); - point0 = null; - }, - // Rejoin first and last segments if there were intersections and the first - // and last points were visible. - clean: function() { - return clean | ((v00 && v0) << 1); - } - }; + function forward(coordinates) { + coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians); + return coordinates[0] *= degrees, coordinates[1] *= degrees, coordinates; } - // Intersects the great circle between a and b with the clip circle. - function intersect(a, b, two) { - var pa = cartesian(a), - pb = cartesian(b); - - // We have two planes, n1.p = d1 and n2.p = d2. - // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). - var n1 = [1, 0, 0], // normal - n2 = cartesianCross(pa, pb), - n2n2 = cartesianDot(n2, n2), - n1n2 = n2[0], // cartesianDot(n1, n2), - determinant = n2n2 - n1n2 * n1n2; + forward.invert = function(coordinates) { + coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians); + return coordinates[0] *= degrees, coordinates[1] *= degrees, coordinates; + }; - // Two polar points. - if (!determinant) return !two && a; + return forward; +} - var c1 = cr * n2n2 / determinant, - c2 = -cr * n1n2 / determinant, - n1xn2 = cartesianCross(n1, n2), - A = cartesianScale(n1, c1), - B = cartesianScale(n2, c2); - cartesianAddInPlace(A, B); +// Generates a circle centered at [0°, 0°], with a given radius and precision. +function circleStream(stream, radius, delta, direction, t0, t1) { + if (!delta) return; + var cosRadius = cos$1(radius), + sinRadius = sin$1(radius), + step = direction * delta; + if (t0 == null) { + t0 = radius + direction * tau$1; + t1 = radius - step / 2; + } else { + t0 = circleRadius(cosRadius, t0); + t1 = circleRadius(cosRadius, t1); + if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$1; + } + for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) { + point = spherical([cosRadius, -sinRadius * cos$1(t), -sinRadius * sin$1(t)]); + stream.point(point[0], point[1]); + } +} - // Solve |p(t)|^2 = 1. - var u = n1xn2, - w = cartesianDot(A, u), - uu = cartesianDot(u, u), - t2 = w * w - uu * (cartesianDot(A, A) - 1); +// Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0]. +function circleRadius(cosRadius, point) { + point = cartesian(point), point[0] -= cosRadius; + cartesianNormalizeInPlace(point); + var radius = acos$1(-point[1]); + return ((-point[2] < 0 ? -radius : radius) + tau$1 - epsilon$1) % tau$1; +} - if (t2 < 0) return; +function circle$2() { + var center = constant$3([0, 0]), + radius = constant$3(90), + precision = constant$3(6), + ring, + rotate, + stream = {point: point}; - var t = sqrt(t2), - q = cartesianScale(u, (-w - t) / uu); - cartesianAddInPlace(q, A); - q = spherical(q); + function point(x, y) { + ring.push(x = rotate(x, y)); + x[0] *= degrees, x[1] *= degrees; + } - if (!two) return q; + function circle() { + var c = center.apply(this, arguments), + r = radius.apply(this, arguments) * radians, + p = precision.apply(this, arguments) * radians; + ring = []; + rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert; + circleStream(stream, r, p, 1); + c = {type: "Polygon", coordinates: [ring]}; + ring = rotate = null; + return c; + } - // Two intersection points. - var lambda0 = a[0], - lambda1 = b[0], - phi0 = a[1], - phi1 = b[1], - z; + circle.center = function(_) { + return arguments.length ? (center = typeof _ === "function" ? _ : constant$3([+_[0], +_[1]]), circle) : center; + }; - if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; + circle.radius = function(_) { + return arguments.length ? (radius = typeof _ === "function" ? _ : constant$3(+_), circle) : radius; + }; - var delta = lambda1 - lambda0, - polar = abs(delta - pi$3) < epsilon$2, - meridian = polar || delta < epsilon$2; + circle.precision = function(_) { + return arguments.length ? (precision = typeof _ === "function" ? _ : constant$3(+_), circle) : precision; + }; - if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; + return circle; +} - // Check that the first point is between a and b. - if (meridian - ? polar - ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$2 ? phi0 : phi1) - : phi0 <= q[1] && q[1] <= phi1 - : delta > pi$3 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { - var q1 = cartesianScale(u, (-w + t) / uu); - cartesianAddInPlace(q1, A); - return [q, spherical(q1)]; +function clipBuffer() { + var lines = [], + line; + return { + point: function(x, y, m) { + line.push([x, y, m]); + }, + lineStart: function() { + lines.push(line = []); + }, + lineEnd: noop$1, + rejoin: function() { + if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); + }, + result: function() { + var result = lines; + lines = []; + line = null; + return result; } - } - - // Generates a 4-bit vector representing the location of a point relative to - // the small circle's bounding box. - function code(lambda, phi) { - var r = smallRadius ? radius : pi$3 - radius, - code = 0; - if (lambda < -r) code |= 1; // left - else if (lambda > r) code |= 2; // right - if (phi < -r) code |= 4; // below - else if (phi > r) code |= 8; // above - return code; - } + }; +} - return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$3, radius - pi$3]); +function pointEqual(a, b) { + return abs$1(a[0] - b[0]) < epsilon$1 && abs$1(a[1] - b[1]) < epsilon$1; } -function clipLine(a, b, x0, y0, x1, y1) { - var ax = a[0], - ay = a[1], - bx = b[0], - by = b[1], - t0 = 0, - t1 = 1, - dx = bx - ax, - dy = by - ay, - r; +function Intersection(point, points, other, entry) { + this.x = point; + this.z = points; + this.o = other; // another intersection + this.e = entry; // is an entry? + this.v = false; // visited + this.n = this.p = null; // next & previous +} - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } +// A generalized polygon clipping algorithm: given a polygon that has been cut +// into its visible line segments, and rejoins the segments by interpolating +// along the clip edge. +function clipRejoin(segments, compareIntersection, startInside, interpolate, stream) { + var subject = [], + clip = [], + i, + n; - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } + segments.forEach(function(segment) { + if ((n = segment.length - 1) <= 0) return; + var n, p0 = segment[0], p1 = segment[n], x; - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } + if (pointEqual(p0, p1)) { + if (!p0[2] && !p1[2]) { + stream.lineStart(); + for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]); + stream.lineEnd(); + return; + } + // handle degenerate cases by moving the point + p1[0] += 2 * epsilon$1; + } - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } + subject.push(x = new Intersection(p0, segment, null, true)); + clip.push(x.o = new Intersection(p0, null, x, false)); + subject.push(x = new Intersection(p1, segment, null, false)); + clip.push(x.o = new Intersection(p1, null, x, true)); + }); - if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; - if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; - return true; -} + if (!subject.length) return; -var clipMax = 1e9, clipMin = -clipMax; + clip.sort(compareIntersection); + link$1(subject); + link$1(clip); -// TODO Use d3-polygon’s polygonContains here for the ring check? -// TODO Eliminate duplicate buffering in clipBuffer and polygon.push? + for (i = 0, n = clip.length; i < n; ++i) { + clip[i].e = startInside = !startInside; + } -function clipRectangle(x0, y0, x1, y1) { + var start = subject[0], + points, + point; - function visible(x, y) { - return x0 <= x && x <= x1 && y0 <= y && y <= y1; + while (1) { + // Find first unvisited intersection. + var current = start, + isSubject = true; + while (current.v) if ((current = current.n) === start) return; + points = current.z; + stream.lineStart(); + do { + current.v = current.o.v = true; + if (current.e) { + if (isSubject) { + for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.n.x, 1, stream); + } + current = current.n; + } else { + if (isSubject) { + points = current.p.z; + for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.p.x, -1, stream); + } + current = current.p; + } + current = current.o; + points = current.z; + isSubject = !isSubject; + } while (!current.v); + stream.lineEnd(); } +} - function interpolate(from, to, direction, stream) { - var a = 0, a1 = 0; - if (from == null - || (a = corner(from, direction)) !== (a1 = corner(to, direction)) - || comparePoint(from, to) < 0 ^ direction > 0) { - do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); - while ((a = (a + direction + 4) % 4) !== a1); - } else { - stream.point(to[0], to[1]); - } +function link$1(array) { + if (!(n = array.length)) return; + var n, + i = 0, + a = array[0], + b; + while (++i < n) { + a.n = b = array[i]; + b.p = a; + a = b; } + a.n = b = array[0]; + b.p = a; +} - function corner(p, direction) { - return abs(p[0] - x0) < epsilon$2 ? direction > 0 ? 0 : 3 - : abs(p[0] - x1) < epsilon$2 ? direction > 0 ? 2 : 1 - : abs(p[1] - y0) < epsilon$2 ? direction > 0 ? 1 : 0 - : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon - } +function longitude(point) { + if (abs$1(point[0]) <= pi$1) + return point[0]; + else + return sign$1(point[0]) * ((abs$1(point[0]) + pi$1) % tau$1 - pi$1); +} - function compareIntersection(a, b) { - return comparePoint(a.x, b.x); - } +function polygonContains(polygon, point) { + var lambda = longitude(point), + phi = point[1], + sinPhi = sin$1(phi), + normal = [sin$1(lambda), -cos$1(lambda), 0], + angle = 0, + winding = 0; - function comparePoint(a, b) { - var ca = corner(a, 1), - cb = corner(b, 1); - return ca !== cb ? ca - cb - : ca === 0 ? b[1] - a[1] - : ca === 1 ? a[0] - b[0] - : ca === 2 ? a[1] - b[1] - : b[0] - a[0]; - } + var sum = new Adder(); - return function(stream) { - var activeStream = stream, - bufferStream = clipBuffer(), - segments, - polygon, - ring, - x__, y__, v__, // first point - x_, y_, v_, // previous point - first, - clean; + if (sinPhi === 1) phi = halfPi$1 + epsilon$1; + else if (sinPhi === -1) phi = -halfPi$1 - epsilon$1; - var clipStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: polygonStart, - polygonEnd: polygonEnd - }; + for (var i = 0, n = polygon.length; i < n; ++i) { + if (!(m = (ring = polygon[i]).length)) continue; + var ring, + m, + point0 = ring[m - 1], + lambda0 = longitude(point0), + phi0 = point0[1] / 2 + quarterPi, + sinPhi0 = sin$1(phi0), + cosPhi0 = cos$1(phi0); - function point(x, y) { - if (visible(x, y)) activeStream.point(x, y); - } + for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { + var point1 = ring[j], + lambda1 = longitude(point1), + phi1 = point1[1] / 2 + quarterPi, + sinPhi1 = sin$1(phi1), + cosPhi1 = cos$1(phi1), + delta = lambda1 - lambda0, + sign = delta >= 0 ? 1 : -1, + absDelta = sign * delta, + antimeridian = absDelta > pi$1, + k = sinPhi0 * sinPhi1; - function polygonInside() { - var winding = 0; + sum.add(atan2$1(k * sign * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); + angle += antimeridian ? delta + sign * tau$1 : delta; - for (var i = 0, n = polygon.length; i < n; ++i) { - for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { - a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; - if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } - else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } + // Are the longitudes either side of the point’s meridian (lambda), + // and are the latitudes smaller than the parallel (phi)? + if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) { + var arc = cartesianCross(cartesian(point0), cartesian(point1)); + cartesianNormalizeInPlace(arc); + var intersection = cartesianCross(normal, arc); + cartesianNormalizeInPlace(intersection); + var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin$1(intersection[2]); + if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) { + winding += antimeridian ^ delta >= 0 ? 1 : -1; } } - - return winding; } + } - // Buffer geometry within a polygon and then clip it en masse. - function polygonStart() { - activeStream = bufferStream, segments = [], polygon = [], clean = true; - } + // First, determine whether the South pole is inside or outside: + // + // It is inside if: + // * the polygon winds around it in a clockwise direction. + // * the polygon does not (cumulatively) wind around it, but has a negative + // (counter-clockwise) area. + // + // Second, count the (signed) number of times a segment crosses a lambda + // from the point to the South pole. If it is zero, then the point is the + // same side as the South pole. - function polygonEnd() { - var startInside = polygonInside(), - cleanInside = clean && startInside, - visible = (segments = merge(segments)).length; - if (cleanInside || visible) { - stream.polygonStart(); - if (cleanInside) { - stream.lineStart(); - interpolate(null, null, 1, stream); - stream.lineEnd(); - } - if (visible) { - clipRejoin(segments, compareIntersection, startInside, interpolate, stream); + return (angle < -epsilon$1 || angle < epsilon$1 && sum < -epsilon2) ^ (winding & 1); +} + +function clip(pointVisible, clipLine, interpolate, start) { + return function(sink) { + var line = clipLine(sink), + ringBuffer = clipBuffer(), + ringSink = clipLine(ringBuffer), + polygonStarted = false, + polygon, + segments, + ring; + + var clip = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + clip.point = pointRing; + clip.lineStart = ringStart; + clip.lineEnd = ringEnd; + segments = []; + polygon = []; + }, + polygonEnd: function() { + clip.point = point; + clip.lineStart = lineStart; + clip.lineEnd = lineEnd; + segments = merge(segments); + var startInside = polygonContains(polygon, start); + if (segments.length) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + clipRejoin(segments, compareIntersection, startInside, interpolate, sink); + } else if (startInside) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); } - stream.polygonEnd(); + if (polygonStarted) sink.polygonEnd(), polygonStarted = false; + segments = polygon = null; + }, + sphere: function() { + sink.polygonStart(); + sink.lineStart(); + interpolate(null, null, 1, sink); + sink.lineEnd(); + sink.polygonEnd(); } - activeStream = stream, segments = polygon = ring = null; + }; + + function point(lambda, phi) { + if (pointVisible(lambda, phi)) sink.point(lambda, phi); + } + + function pointLine(lambda, phi) { + line.point(lambda, phi); } function lineStart() { - clipStream.point = linePoint; - if (polygon) polygon.push(ring = []); - first = true; - v_ = false; - x_ = y_ = NaN; + clip.point = pointLine; + line.lineStart(); } - // TODO rather than special-case polygons, simply handle them separately. - // Ideally, coincident intersection points should be jittered to avoid - // clipping issues. function lineEnd() { - if (segments) { - linePoint(x__, y__); - if (v__ && v_) bufferStream.rejoin(); - segments.push(bufferStream.result()); - } - clipStream.point = point; - if (v_) activeStream.lineEnd(); + clip.point = point; + line.lineEnd(); } - function linePoint(x, y) { - var v = visible(x, y); - if (polygon) ring.push([x, y]); - if (first) { - x__ = x, y__ = y, v__ = v; - first = false; - if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - } - } else { - if (v && v_) activeStream.point(x, y); - else { - var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], - b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; - if (clipLine(a, b, x0, y0, x1, y1)) { - if (!v_) { - activeStream.lineStart(); - activeStream.point(a[0], a[1]); - } - activeStream.point(b[0], b[1]); - if (!v) activeStream.lineEnd(); - clean = false; - } else if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - clean = false; - } + function pointRing(lambda, phi) { + ring.push([lambda, phi]); + ringSink.point(lambda, phi); + } + + function ringStart() { + ringSink.lineStart(); + ring = []; + } + + function ringEnd() { + pointRing(ring[0][0], ring[0][1]); + ringSink.lineEnd(); + + var clean = ringSink.clean(), + ringSegments = ringBuffer.result(), + i, n = ringSegments.length, m, + segment, + point; + + ring.pop(); + polygon.push(ring); + ring = null; + + if (!n) return; + + // No intersections. + if (clean & 1) { + segment = ringSegments[0]; + if ((m = segment.length - 1) > 0) { + if (!polygonStarted) sink.polygonStart(), polygonStarted = true; + sink.lineStart(); + for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); + sink.lineEnd(); } + return; } - x_ = x, y_ = y, v_ = v; + + // Rejoin connected segments. + // TODO reuse ringBuffer.rejoin()? + if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); + + segments.push(ringSegments.filter(validSegment)); } - return clipStream; + return clip; }; } -function extent$1() { - var x0 = 0, - y0 = 0, - x1 = 960, - y1 = 500, - cache, - cacheStream, - clip; +function validSegment(segment) { + return segment.length > 1; +} - return clip = { - stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = clipRectangle(x0, y0, x1, y1)(cacheStream = stream); - }, - extent: function(_) { - return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; - } - }; +// Intersections are sorted along the clip edge. For both antimeridian cutting +// and circle clipping, the same comparison is used. +function compareIntersection(a, b) { + return ((a = a.x)[0] < 0 ? a[1] - halfPi$1 - epsilon$1 : halfPi$1 - a[1]) + - ((b = b.x)[0] < 0 ? b[1] - halfPi$1 - epsilon$1 : halfPi$1 - b[1]); } -var lengthSum = adder(), - lambda0$2, - sinPhi0$1, - cosPhi0$1; +var clipAntimeridian = clip( + function() { return true; }, + clipAntimeridianLine, + clipAntimeridianInterpolate, + [-pi$1, -halfPi$1] +); -var lengthStream = { - sphere: noop$2, - point: noop$2, - lineStart: lengthLineStart, - lineEnd: noop$2, - polygonStart: noop$2, - polygonEnd: noop$2 -}; +// Takes a line and cuts into visible segments. Return values: 0 - there were +// intersections or the line was empty; 1 - no intersections; 2 - there were +// intersections, and the first and last segments should be rejoined. +function clipAntimeridianLine(stream) { + var lambda0 = NaN, + phi0 = NaN, + sign0 = NaN, + clean; // no intersections -function lengthLineStart() { - lengthStream.point = lengthPointFirst; - lengthStream.lineEnd = lengthLineEnd; + return { + lineStart: function() { + stream.lineStart(); + clean = 1; + }, + point: function(lambda1, phi1) { + var sign1 = lambda1 > 0 ? pi$1 : -pi$1, + delta = abs$1(lambda1 - lambda0); + if (abs$1(delta - pi$1) < epsilon$1) { // line crosses a pole + stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$1 : -halfPi$1); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + stream.point(lambda1, phi0); + clean = 0; + } else if (sign0 !== sign1 && delta >= pi$1) { // line crosses antimeridian + if (abs$1(lambda0 - sign0) < epsilon$1) lambda0 -= sign0 * epsilon$1; // handle degeneracies + if (abs$1(lambda1 - sign1) < epsilon$1) lambda1 -= sign1 * epsilon$1; + phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); + stream.point(sign0, phi0); + stream.lineEnd(); + stream.lineStart(); + stream.point(sign1, phi0); + clean = 0; + } + stream.point(lambda0 = lambda1, phi0 = phi1); + sign0 = sign1; + }, + lineEnd: function() { + stream.lineEnd(); + lambda0 = phi0 = NaN; + }, + clean: function() { + return 2 - clean; // if intersections, rejoin first and last segments + } + }; } -function lengthLineEnd() { - lengthStream.point = lengthStream.lineEnd = noop$2; +function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { + var cosPhi0, + cosPhi1, + sinLambda0Lambda1 = sin$1(lambda0 - lambda1); + return abs$1(sinLambda0Lambda1) > epsilon$1 + ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) + - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) + / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) + : (phi0 + phi1) / 2; } -function lengthPointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi); - lengthStream.point = lengthPoint; +function clipAntimeridianInterpolate(from, to, direction, stream) { + var phi; + if (from == null) { + phi = direction * halfPi$1; + stream.point(-pi$1, phi); + stream.point(0, phi); + stream.point(pi$1, phi); + stream.point(pi$1, 0); + stream.point(pi$1, -phi); + stream.point(0, -phi); + stream.point(-pi$1, -phi); + stream.point(-pi$1, 0); + stream.point(-pi$1, phi); + } else if (abs$1(from[0] - to[0]) > epsilon$1) { + var lambda = from[0] < to[0] ? pi$1 : -pi$1; + phi = direction * lambda / 2; + stream.point(-lambda, phi); + stream.point(0, phi); + stream.point(lambda, phi); + } else { + stream.point(to[0], to[1]); + } } -function lengthPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var sinPhi = sin$1(phi), - cosPhi = cos$1(phi), - delta = abs(lambda - lambda0$2), - cosDelta = cos$1(delta), - sinDelta = sin$1(delta), - x = cosPhi * sinDelta, - y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, - z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; - lengthSum.add(atan2(sqrt(x * x + y * y), z)); - lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; -} +function clipCircle(radius) { + var cr = cos$1(radius), + delta = 6 * radians, + smallRadius = cr > 0, + notHemisphere = abs$1(cr) > epsilon$1; // TODO optimise for this common case -function length$1(object) { - lengthSum.reset(); - geoStream(object, lengthStream); - return +lengthSum; -} - -var coordinates = [null, null], - object$1 = {type: "LineString", coordinates: coordinates}; - -function distance(a, b) { - coordinates[0] = a; - coordinates[1] = b; - return length$1(object$1); -} + function interpolate(from, to, direction, stream) { + circleStream(stream, radius, delta, direction, from, to); + } -var containsObjectType = { - Feature: function(object, point) { - return containsGeometry(object.geometry, point); - }, - FeatureCollection: function(object, point) { - var features = object.features, i = -1, n = features.length; - while (++i < n) if (containsGeometry(features[i].geometry, point)) return true; - return false; + function visible(lambda, phi) { + return cos$1(lambda) * cos$1(phi) > cr; } -}; -var containsGeometryType = { - Sphere: function() { - return true; - }, - Point: function(object, point) { - return containsPoint(object.coordinates, point); - }, - MultiPoint: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsPoint(coordinates[i], point)) return true; - return false; - }, - LineString: function(object, point) { - return containsLine(object.coordinates, point); - }, - MultiLineString: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsLine(coordinates[i], point)) return true; - return false; - }, - Polygon: function(object, point) { - return containsPolygon(object.coordinates, point); - }, - MultiPolygon: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsPolygon(coordinates[i], point)) return true; - return false; - }, - GeometryCollection: function(object, point) { - var geometries = object.geometries, i = -1, n = geometries.length; - while (++i < n) if (containsGeometry(geometries[i], point)) return true; - return false; + // Takes a line and cuts into visible segments. Return values used for polygon + // clipping: 0 - there were intersections or the line was empty; 1 - no + // intersections 2 - there were intersections, and the first and last segments + // should be rejoined. + function clipLine(stream) { + var point0, // previous point + c0, // code for previous point + v0, // visibility of previous point + v00, // visibility of first point + clean; // no intersections + return { + lineStart: function() { + v00 = v0 = false; + clean = 1; + }, + point: function(lambda, phi) { + var point1 = [lambda, phi], + point2, + v = visible(lambda, phi), + c = smallRadius + ? v ? 0 : code(lambda, phi) + : v ? code(lambda + (lambda < 0 ? pi$1 : -pi$1), phi) : 0; + if (!point0 && (v00 = v0 = v)) stream.lineStart(); + if (v !== v0) { + point2 = intersect(point0, point1); + if (!point2 || pointEqual(point0, point2) || pointEqual(point1, point2)) + point1[2] = 1; + } + if (v !== v0) { + clean = 0; + if (v) { + // outside going in + stream.lineStart(); + point2 = intersect(point1, point0); + stream.point(point2[0], point2[1]); + } else { + // inside going out + point2 = intersect(point0, point1); + stream.point(point2[0], point2[1], 2); + stream.lineEnd(); + } + point0 = point2; + } else if (notHemisphere && point0 && smallRadius ^ v) { + var t; + // If the codes for two points are different, or are both zero, + // and there this segment intersects with the small circle. + if (!(c & c0) && (t = intersect(point1, point0, true))) { + clean = 0; + if (smallRadius) { + stream.lineStart(); + stream.point(t[0][0], t[0][1]); + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); + } else { + stream.point(t[1][0], t[1][1]); + stream.lineEnd(); + stream.lineStart(); + stream.point(t[0][0], t[0][1], 3); + } + } + } + if (v && (!point0 || !pointEqual(point0, point1))) { + stream.point(point1[0], point1[1]); + } + point0 = point1, v0 = v, c0 = c; + }, + lineEnd: function() { + if (v0) stream.lineEnd(); + point0 = null; + }, + // Rejoin first and last segments if there were intersections and the first + // and last points were visible. + clean: function() { + return clean | ((v00 && v0) << 1); + } + }; } -}; -function containsGeometry(geometry, point) { - return geometry && containsGeometryType.hasOwnProperty(geometry.type) - ? containsGeometryType[geometry.type](geometry, point) - : false; -} + // Intersects the great circle between a and b with the clip circle. + function intersect(a, b, two) { + var pa = cartesian(a), + pb = cartesian(b); -function containsPoint(coordinates, point) { - return distance(coordinates, point) === 0; -} + // We have two planes, n1.p = d1 and n2.p = d2. + // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). + var n1 = [1, 0, 0], // normal + n2 = cartesianCross(pa, pb), + n2n2 = cartesianDot(n2, n2), + n1n2 = n2[0], // cartesianDot(n1, n2), + determinant = n2n2 - n1n2 * n1n2; -function containsLine(coordinates, point) { - var ao, bo, ab; - for (var i = 0, n = coordinates.length; i < n; i++) { - bo = distance(coordinates[i], point); - if (bo === 0) return true; - if (i > 0) { - ab = distance(coordinates[i], coordinates[i - 1]); - if ( - ab > 0 && - ao <= ab && - bo <= ab && - (ao + bo - ab) * (1 - Math.pow((ao - bo) / ab, 2)) < epsilon2$1 * ab - ) - return true; - } - ao = bo; - } - return false; -} + // Two polar points. + if (!determinant) return !two && a; -function containsPolygon(coordinates, point) { - return !!polygonContains(coordinates.map(ringRadians), pointRadians(point)); -} + var c1 = cr * n2n2 / determinant, + c2 = -cr * n1n2 / determinant, + n1xn2 = cartesianCross(n1, n2), + A = cartesianScale(n1, c1), + B = cartesianScale(n2, c2); + cartesianAddInPlace(A, B); -function ringRadians(ring) { - return ring = ring.map(pointRadians), ring.pop(), ring; -} + // Solve |p(t)|^2 = 1. + var u = n1xn2, + w = cartesianDot(A, u), + uu = cartesianDot(u, u), + t2 = w * w - uu * (cartesianDot(A, A) - 1); -function pointRadians(point) { - return [point[0] * radians, point[1] * radians]; -} + if (t2 < 0) return; -function contains$1(object, point) { - return (object && containsObjectType.hasOwnProperty(object.type) - ? containsObjectType[object.type] - : containsGeometry)(object, point); -} + var t = sqrt$2(t2), + q = cartesianScale(u, (-w - t) / uu); + cartesianAddInPlace(q, A); + q = spherical(q); -function graticuleX(y0, y1, dy) { - var y = sequence(y0, y1 - epsilon$2, dy).concat(y1); - return function(x) { return y.map(function(y) { return [x, y]; }); }; -} + if (!two) return q; -function graticuleY(x0, x1, dx) { - var x = sequence(x0, x1 - epsilon$2, dx).concat(x1); - return function(y) { return x.map(function(x) { return [x, y]; }); }; -} + // Two intersection points. + var lambda0 = a[0], + lambda1 = b[0], + phi0 = a[1], + phi1 = b[1], + z; -function graticule() { - var x1, x0, X1, X0, - y1, y0, Y1, Y0, - dx = 10, dy = dx, DX = 90, DY = 360, - x, y, X, Y, - precision = 2.5; + if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; - function graticule() { - return {type: "MultiLineString", coordinates: lines()}; + var delta = lambda1 - lambda0, + polar = abs$1(delta - pi$1) < epsilon$1, + meridian = polar || delta < epsilon$1; + + if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; + + // Check that the first point is between a and b. + if (meridian + ? polar + ? phi0 + phi1 > 0 ^ q[1] < (abs$1(q[0] - lambda0) < epsilon$1 ? phi0 : phi1) + : phi0 <= q[1] && q[1] <= phi1 + : delta > pi$1 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { + var q1 = cartesianScale(u, (-w + t) / uu); + cartesianAddInPlace(q1, A); + return [q, spherical(q1)]; + } } - function lines() { - return sequence(ceil(X0 / DX) * DX, X1, DX).map(X) - .concat(sequence(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) - .concat(sequence(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$2; }).map(x)) - .concat(sequence(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$2; }).map(y)); + // Generates a 4-bit vector representing the location of a point relative to + // the small circle's bounding box. + function code(lambda, phi) { + var r = smallRadius ? radius : pi$1 - radius, + code = 0; + if (lambda < -r) code |= 1; // left + else if (lambda > r) code |= 2; // right + if (phi < -r) code |= 4; // below + else if (phi > r) code |= 8; // above + return code; } - graticule.lines = function() { - return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); - }; + return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$1, radius - pi$1]); +} - graticule.outline = function() { - return { - type: "Polygon", - coordinates: [ - X(X0).concat( - Y(Y1).slice(1), - X(X1).reverse().slice(1), - Y(Y0).reverse().slice(1)) - ] - }; - }; - - graticule.extent = function(_) { - if (!arguments.length) return graticule.extentMinor(); - return graticule.extentMajor(_).extentMinor(_); - }; - - graticule.extentMajor = function(_) { - if (!arguments.length) return [[X0, Y0], [X1, Y1]]; - X0 = +_[0][0], X1 = +_[1][0]; - Y0 = +_[0][1], Y1 = +_[1][1]; - if (X0 > X1) _ = X0, X0 = X1, X1 = _; - if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; - return graticule.precision(precision); - }; - - graticule.extentMinor = function(_) { - if (!arguments.length) return [[x0, y0], [x1, y1]]; - x0 = +_[0][0], x1 = +_[1][0]; - y0 = +_[0][1], y1 = +_[1][1]; - if (x0 > x1) _ = x0, x0 = x1, x1 = _; - if (y0 > y1) _ = y0, y0 = y1, y1 = _; - return graticule.precision(precision); - }; - - graticule.step = function(_) { - if (!arguments.length) return graticule.stepMinor(); - return graticule.stepMajor(_).stepMinor(_); - }; +function clipLine(a, b, x0, y0, x1, y1) { + var ax = a[0], + ay = a[1], + bx = b[0], + by = b[1], + t0 = 0, + t1 = 1, + dx = bx - ax, + dy = by - ay, + r; - graticule.stepMajor = function(_) { - if (!arguments.length) return [DX, DY]; - DX = +_[0], DY = +_[1]; - return graticule; - }; + r = x0 - ax; + if (!dx && r > 0) return; + r /= dx; + if (dx < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dx > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } - graticule.stepMinor = function(_) { - if (!arguments.length) return [dx, dy]; - dx = +_[0], dy = +_[1]; - return graticule; - }; + r = x1 - ax; + if (!dx && r < 0) return; + r /= dx; + if (dx < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dx > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } - graticule.precision = function(_) { - if (!arguments.length) return precision; - precision = +_; - x = graticuleX(y0, y1, 90); - y = graticuleY(x0, x1, precision); - X = graticuleX(Y0, Y1, 90); - Y = graticuleY(X0, X1, precision); - return graticule; - }; + r = y0 - ay; + if (!dy && r > 0) return; + r /= dy; + if (dy < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dy > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } - return graticule - .extentMajor([[-180, -90 + epsilon$2], [180, 90 - epsilon$2]]) - .extentMinor([[-180, -80 - epsilon$2], [180, 80 + epsilon$2]]); -} + r = y1 - ay; + if (!dy && r < 0) return; + r /= dy; + if (dy < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dy > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } -function graticule10() { - return graticule()(); + if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; + if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; + return true; } -function interpolate$1(a, b) { - var x0 = a[0] * radians, - y0 = a[1] * radians, - x1 = b[0] * radians, - y1 = b[1] * radians, - cy0 = cos$1(y0), - sy0 = sin$1(y0), - cy1 = cos$1(y1), - sy1 = sin$1(y1), - kx0 = cy0 * cos$1(x0), - ky0 = cy0 * sin$1(x0), - kx1 = cy1 * cos$1(x1), - ky1 = cy1 * sin$1(x1), - d = 2 * asin(sqrt(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), - k = sin$1(d); - - var interpolate = d ? function(t) { - var B = sin$1(t *= d) / k, - A = sin$1(d - t) / k, - x = A * kx0 + B * kx1, - y = A * ky0 + B * ky1, - z = A * sy0 + B * sy1; - return [ - atan2(y, x) * degrees$1, - atan2(z, sqrt(x * x + y * y)) * degrees$1 - ]; - } : function() { - return [x0 * degrees$1, y0 * degrees$1]; - }; +var clipMax = 1e9, clipMin = -clipMax; - interpolate.distance = d; +// TODO Use d3-polygon’s polygonContains here for the ring check? +// TODO Eliminate duplicate buffering in clipBuffer and polygon.push? - return interpolate; -} +function clipRectangle(x0, y0, x1, y1) { -function identity$4(x) { - return x; -} + function visible(x, y) { + return x0 <= x && x <= x1 && y0 <= y && y <= y1; + } -var areaSum$1 = adder(), - areaRingSum$1 = adder(), - x00, - y00, - x0$1, - y0$1; + function interpolate(from, to, direction, stream) { + var a = 0, a1 = 0; + if (from == null + || (a = corner(from, direction)) !== (a1 = corner(to, direction)) + || comparePoint(from, to) < 0 ^ direction > 0) { + do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); + while ((a = (a + direction + 4) % 4) !== a1); + } else { + stream.point(to[0], to[1]); + } + } -var areaStream$1 = { - point: noop$2, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: function() { - areaStream$1.lineStart = areaRingStart$1; - areaStream$1.lineEnd = areaRingEnd$1; - }, - polygonEnd: function() { - areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$2; - areaSum$1.add(abs(areaRingSum$1)); - areaRingSum$1.reset(); - }, - result: function() { - var area = areaSum$1 / 2; - areaSum$1.reset(); - return area; + function corner(p, direction) { + return abs$1(p[0] - x0) < epsilon$1 ? direction > 0 ? 0 : 3 + : abs$1(p[0] - x1) < epsilon$1 ? direction > 0 ? 2 : 1 + : abs$1(p[1] - y0) < epsilon$1 ? direction > 0 ? 1 : 0 + : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon } -}; -function areaRingStart$1() { - areaStream$1.point = areaPointFirst$1; -} + function compareIntersection(a, b) { + return comparePoint(a.x, b.x); + } -function areaPointFirst$1(x, y) { - areaStream$1.point = areaPoint$1; - x00 = x0$1 = x, y00 = y0$1 = y; -} + function comparePoint(a, b) { + var ca = corner(a, 1), + cb = corner(b, 1); + return ca !== cb ? ca - cb + : ca === 0 ? b[1] - a[1] + : ca === 1 ? a[0] - b[0] + : ca === 2 ? a[1] - b[1] + : b[0] - a[0]; + } -function areaPoint$1(x, y) { - areaRingSum$1.add(y0$1 * x - x0$1 * y); - x0$1 = x, y0$1 = y; -} + return function(stream) { + var activeStream = stream, + bufferStream = clipBuffer(), + segments, + polygon, + ring, + x__, y__, v__, // first point + x_, y_, v_, // previous point + first, + clean; -function areaRingEnd$1() { - areaPoint$1(x00, y00); -} + var clipStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: polygonStart, + polygonEnd: polygonEnd + }; -var x0$2 = Infinity, - y0$2 = x0$2, - x1 = -x0$2, - y1 = x1; + function point(x, y) { + if (visible(x, y)) activeStream.point(x, y); + } -var boundsStream$1 = { - point: boundsPoint$1, - lineStart: noop$2, - lineEnd: noop$2, - polygonStart: noop$2, - polygonEnd: noop$2, - result: function() { - var bounds = [[x0$2, y0$2], [x1, y1]]; - x1 = y1 = -(y0$2 = x0$2 = Infinity); - return bounds; - } -}; + function polygonInside() { + var winding = 0; -function boundsPoint$1(x, y) { - if (x < x0$2) x0$2 = x; - if (x > x1) x1 = x; - if (y < y0$2) y0$2 = y; - if (y > y1) y1 = y; -} + for (var i = 0, n = polygon.length; i < n; ++i) { + for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { + a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; + if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } + else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } + } + } -// TODO Enforce positive area for exterior, negative area for interior? + return winding; + } -var X0$1 = 0, - Y0$1 = 0, - Z0$1 = 0, - X1$1 = 0, - Y1$1 = 0, - Z1$1 = 0, - X2$1 = 0, - Y2$1 = 0, - Z2$1 = 0, - x00$1, - y00$1, - x0$3, - y0$3; + // Buffer geometry within a polygon and then clip it en masse. + function polygonStart() { + activeStream = bufferStream, segments = [], polygon = [], clean = true; + } -var centroidStream$1 = { - point: centroidPoint$1, - lineStart: centroidLineStart$1, - lineEnd: centroidLineEnd$1, - polygonStart: function() { - centroidStream$1.lineStart = centroidRingStart$1; - centroidStream$1.lineEnd = centroidRingEnd$1; - }, - polygonEnd: function() { - centroidStream$1.point = centroidPoint$1; - centroidStream$1.lineStart = centroidLineStart$1; - centroidStream$1.lineEnd = centroidLineEnd$1; - }, - result: function() { - var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] - : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] - : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] - : [NaN, NaN]; - X0$1 = Y0$1 = Z0$1 = - X1$1 = Y1$1 = Z1$1 = - X2$1 = Y2$1 = Z2$1 = 0; - return centroid; - } -}; + function polygonEnd() { + var startInside = polygonInside(), + cleanInside = clean && startInside, + visible = (segments = merge(segments)).length; + if (cleanInside || visible) { + stream.polygonStart(); + if (cleanInside) { + stream.lineStart(); + interpolate(null, null, 1, stream); + stream.lineEnd(); + } + if (visible) { + clipRejoin(segments, compareIntersection, startInside, interpolate, stream); + } + stream.polygonEnd(); + } + activeStream = stream, segments = polygon = ring = null; + } -function centroidPoint$1(x, y) { - X0$1 += x; - Y0$1 += y; - ++Z0$1; -} + function lineStart() { + clipStream.point = linePoint; + if (polygon) polygon.push(ring = []); + first = true; + v_ = false; + x_ = y_ = NaN; + } -function centroidLineStart$1() { - centroidStream$1.point = centroidPointFirstLine; -} + // TODO rather than special-case polygons, simply handle them separately. + // Ideally, coincident intersection points should be jittered to avoid + // clipping issues. + function lineEnd() { + if (segments) { + linePoint(x__, y__); + if (v__ && v_) bufferStream.rejoin(); + segments.push(bufferStream.result()); + } + clipStream.point = point; + if (v_) activeStream.lineEnd(); + } -function centroidPointFirstLine(x, y) { - centroidStream$1.point = centroidPointLine; - centroidPoint$1(x0$3 = x, y0$3 = y); + function linePoint(x, y) { + var v = visible(x, y); + if (polygon) ring.push([x, y]); + if (first) { + x__ = x, y__ = y, v__ = v; + first = false; + if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + } + } else { + if (v && v_) activeStream.point(x, y); + else { + var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], + b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; + if (clipLine(a, b, x0, y0, x1, y1)) { + if (!v_) { + activeStream.lineStart(); + activeStream.point(a[0], a[1]); + } + activeStream.point(b[0], b[1]); + if (!v) activeStream.lineEnd(); + clean = false; + } else if (v) { + activeStream.lineStart(); + activeStream.point(x, y); + clean = false; + } + } + } + x_ = x, y_ = y, v_ = v; + } + + return clipStream; + }; } -function centroidPointLine(x, y) { - var dx = x - x0$3, dy = y - y0$3, z = sqrt(dx * dx + dy * dy); - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; - centroidPoint$1(x0$3 = x, y0$3 = y); +function extent() { + var x0 = 0, + y0 = 0, + x1 = 960, + y1 = 500, + cache, + cacheStream, + clip; + + return clip = { + stream: function(stream) { + return cache && cacheStream === stream ? cache : cache = clipRectangle(x0, y0, x1, y1)(cacheStream = stream); + }, + extent: function(_) { + return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; + } + }; } -function centroidLineEnd$1() { - centroidStream$1.point = centroidPoint$1; +var lengthSum$1, + lambda0, + sinPhi0, + cosPhi0; + +var lengthStream$1 = { + sphere: noop$1, + point: noop$1, + lineStart: lengthLineStart, + lineEnd: noop$1, + polygonStart: noop$1, + polygonEnd: noop$1 +}; + +function lengthLineStart() { + lengthStream$1.point = lengthPointFirst$1; + lengthStream$1.lineEnd = lengthLineEnd; } -function centroidRingStart$1() { - centroidStream$1.point = centroidPointFirstRing; +function lengthLineEnd() { + lengthStream$1.point = lengthStream$1.lineEnd = noop$1; } -function centroidRingEnd$1() { - centroidPointRing(x00$1, y00$1); +function lengthPointFirst$1(lambda, phi) { + lambda *= radians, phi *= radians; + lambda0 = lambda, sinPhi0 = sin$1(phi), cosPhi0 = cos$1(phi); + lengthStream$1.point = lengthPoint$1; } -function centroidPointFirstRing(x, y) { - centroidStream$1.point = centroidPointRing; - centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); +function lengthPoint$1(lambda, phi) { + lambda *= radians, phi *= radians; + var sinPhi = sin$1(phi), + cosPhi = cos$1(phi), + delta = abs$1(lambda - lambda0), + cosDelta = cos$1(delta), + sinDelta = sin$1(delta), + x = cosPhi * sinDelta, + y = cosPhi0 * sinPhi - sinPhi0 * cosPhi * cosDelta, + z = sinPhi0 * sinPhi + cosPhi0 * cosPhi * cosDelta; + lengthSum$1.add(atan2$1(sqrt$2(x * x + y * y), z)); + lambda0 = lambda, sinPhi0 = sinPhi, cosPhi0 = cosPhi; } -function centroidPointRing(x, y) { - var dx = x - x0$3, - dy = y - y0$3, - z = sqrt(dx * dx + dy * dy); +function length$1(object) { + lengthSum$1 = new Adder(); + geoStream(object, lengthStream$1); + return +lengthSum$1; +} - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; +var coordinates = [null, null], + object = {type: "LineString", coordinates: coordinates}; - z = y0$3 * x - x0$3 * y; - X2$1 += z * (x0$3 + x); - Y2$1 += z * (y0$3 + y); - Z2$1 += z * 3; - centroidPoint$1(x0$3 = x, y0$3 = y); +function distance(a, b) { + coordinates[0] = a; + coordinates[1] = b; + return length$1(object); } -function PathContext(context) { - this._context = context; -} +var containsObjectType = { + Feature: function(object, point) { + return containsGeometry(object.geometry, point); + }, + FeatureCollection: function(object, point) { + var features = object.features, i = -1, n = features.length; + while (++i < n) if (containsGeometry(features[i].geometry, point)) return true; + return false; + } +}; -PathContext.prototype = { - _radius: 4.5, - pointRadius: function(_) { - return this._radius = _, this; +var containsGeometryType = { + Sphere: function() { + return true; }, - polygonStart: function() { - this._line = 0; + Point: function(object, point) { + return containsPoint(object.coordinates, point); }, - polygonEnd: function() { - this._line = NaN; + MultiPoint: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsPoint(coordinates[i], point)) return true; + return false; }, - lineStart: function() { - this._point = 0; + LineString: function(object, point) { + return containsLine(object.coordinates, point); }, - lineEnd: function() { - if (this._line === 0) this._context.closePath(); - this._point = NaN; + MultiLineString: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsLine(coordinates[i], point)) return true; + return false; }, - point: function(x, y) { - switch (this._point) { - case 0: { - this._context.moveTo(x, y); - this._point = 1; - break; - } - case 1: { - this._context.lineTo(x, y); - break; - } - default: { - this._context.moveTo(x + this._radius, y); - this._context.arc(x, y, this._radius, 0, tau$3); - break; - } - } + Polygon: function(object, point) { + return containsPolygon(object.coordinates, point); + }, + MultiPolygon: function(object, point) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) if (containsPolygon(coordinates[i], point)) return true; + return false; }, - result: noop$2 + GeometryCollection: function(object, point) { + var geometries = object.geometries, i = -1, n = geometries.length; + while (++i < n) if (containsGeometry(geometries[i], point)) return true; + return false; + } }; -var lengthSum$1 = adder(), - lengthRing, - x00$2, - y00$2, - x0$4, - y0$4; +function containsGeometry(geometry, point) { + return geometry && containsGeometryType.hasOwnProperty(geometry.type) + ? containsGeometryType[geometry.type](geometry, point) + : false; +} -var lengthStream$1 = { - point: noop$2, - lineStart: function() { - lengthStream$1.point = lengthPointFirst$1; - }, - lineEnd: function() { - if (lengthRing) lengthPoint$1(x00$2, y00$2); - lengthStream$1.point = noop$2; - }, - polygonStart: function() { - lengthRing = true; - }, - polygonEnd: function() { - lengthRing = null; - }, - result: function() { - var length = +lengthSum$1; - lengthSum$1.reset(); - return length; +function containsPoint(coordinates, point) { + return distance(coordinates, point) === 0; +} + +function containsLine(coordinates, point) { + var ao, bo, ab; + for (var i = 0, n = coordinates.length; i < n; i++) { + bo = distance(coordinates[i], point); + if (bo === 0) return true; + if (i > 0) { + ab = distance(coordinates[i], coordinates[i - 1]); + if ( + ab > 0 && + ao <= ab && + bo <= ab && + (ao + bo - ab) * (1 - Math.pow((ao - bo) / ab, 2)) < epsilon2 * ab + ) + return true; + } + ao = bo; } -}; + return false; +} -function lengthPointFirst$1(x, y) { - lengthStream$1.point = lengthPoint$1; - x00$2 = x0$4 = x, y00$2 = y0$4 = y; +function containsPolygon(coordinates, point) { + return !!polygonContains(coordinates.map(ringRadians), pointRadians(point)); } -function lengthPoint$1(x, y) { - x0$4 -= x, y0$4 -= y; - lengthSum$1.add(sqrt(x0$4 * x0$4 + y0$4 * y0$4)); - x0$4 = x, y0$4 = y; +function ringRadians(ring) { + return ring = ring.map(pointRadians), ring.pop(), ring; } -function PathString() { - this._string = []; +function pointRadians(point) { + return [point[0] * radians, point[1] * radians]; } -PathString.prototype = { - _radius: 4.5, - _circle: circle$1(4.5), - pointRadius: function(_) { - if ((_ = +_) !== this._radius) this._radius = _, this._circle = null; - return this; - }, - polygonStart: function() { - this._line = 0; - }, - polygonEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line === 0) this._string.push("Z"); - this._point = NaN; - }, - point: function(x, y) { - switch (this._point) { - case 0: { - this._string.push("M", x, ",", y); - this._point = 1; - break; - } - case 1: { - this._string.push("L", x, ",", y); - break; - } - default: { - if (this._circle == null) this._circle = circle$1(this._radius); - this._string.push("M", x, ",", y, this._circle); - break; - } - } - }, - result: function() { - if (this._string.length) { - var result = this._string.join(""); - this._string = []; - return result; - } else { - return null; - } - } -}; +function contains$1(object, point) { + return (object && containsObjectType.hasOwnProperty(object.type) + ? containsObjectType[object.type] + : containsGeometry)(object, point); +} -function circle$1(radius) { - return "m0," + radius - + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius - + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius - + "z"; +function graticuleX(y0, y1, dy) { + var y = sequence(y0, y1 - epsilon$1, dy).concat(y1); + return function(x) { return y.map(function(y) { return [x, y]; }); }; } -function index$1(projection, context) { - var pointRadius = 4.5, - projectionStream, - contextStream; +function graticuleY(x0, x1, dx) { + var x = sequence(x0, x1 - epsilon$1, dx).concat(x1); + return function(y) { return x.map(function(x) { return [x, y]; }); }; +} - function path(object) { - if (object) { - if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); - geoStream(object, projectionStream(contextStream)); - } - return contextStream.result(); +function graticule() { + var x1, x0, X1, X0, + y1, y0, Y1, Y0, + dx = 10, dy = dx, DX = 90, DY = 360, + x, y, X, Y, + precision = 2.5; + + function graticule() { + return {type: "MultiLineString", coordinates: lines()}; } - path.area = function(object) { - geoStream(object, projectionStream(areaStream$1)); - return areaStream$1.result(); + function lines() { + return sequence(ceil(X0 / DX) * DX, X1, DX).map(X) + .concat(sequence(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) + .concat(sequence(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs$1(x % DX) > epsilon$1; }).map(x)) + .concat(sequence(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs$1(y % DY) > epsilon$1; }).map(y)); + } + + graticule.lines = function() { + return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); }; - path.measure = function(object) { - geoStream(object, projectionStream(lengthStream$1)); - return lengthStream$1.result(); + graticule.outline = function() { + return { + type: "Polygon", + coordinates: [ + X(X0).concat( + Y(Y1).slice(1), + X(X1).reverse().slice(1), + Y(Y0).reverse().slice(1)) + ] + }; }; - path.bounds = function(object) { - geoStream(object, projectionStream(boundsStream$1)); - return boundsStream$1.result(); + graticule.extent = function(_) { + if (!arguments.length) return graticule.extentMinor(); + return graticule.extentMajor(_).extentMinor(_); }; - path.centroid = function(object) { - geoStream(object, projectionStream(centroidStream$1)); - return centroidStream$1.result(); + graticule.extentMajor = function(_) { + if (!arguments.length) return [[X0, Y0], [X1, Y1]]; + X0 = +_[0][0], X1 = +_[1][0]; + Y0 = +_[0][1], Y1 = +_[1][1]; + if (X0 > X1) _ = X0, X0 = X1, X1 = _; + if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; + return graticule.precision(precision); }; - path.projection = function(_) { - return arguments.length ? (projectionStream = _ == null ? (projection = null, identity$4) : (projection = _).stream, path) : projection; + graticule.extentMinor = function(_) { + if (!arguments.length) return [[x0, y0], [x1, y1]]; + x0 = +_[0][0], x1 = +_[1][0]; + y0 = +_[0][1], y1 = +_[1][1]; + if (x0 > x1) _ = x0, x0 = x1, x1 = _; + if (y0 > y1) _ = y0, y0 = y1, y1 = _; + return graticule.precision(precision); }; - path.context = function(_) { - if (!arguments.length) return context; - contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); - if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); - return path; + graticule.step = function(_) { + if (!arguments.length) return graticule.stepMinor(); + return graticule.stepMajor(_).stepMinor(_); }; - path.pointRadius = function(_) { - if (!arguments.length) return pointRadius; - pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); - return path; + graticule.stepMajor = function(_) { + if (!arguments.length) return [DX, DY]; + DX = +_[0], DY = +_[1]; + return graticule; }; - return path.projection(projection).context(context); -} + graticule.stepMinor = function(_) { + if (!arguments.length) return [dx, dy]; + dx = +_[0], dy = +_[1]; + return graticule; + }; -function transform(methods) { - return { - stream: transformer(methods) + graticule.precision = function(_) { + if (!arguments.length) return precision; + precision = +_; + x = graticuleX(y0, y1, 90); + y = graticuleY(x0, x1, precision); + X = graticuleX(Y0, Y1, 90); + Y = graticuleY(X0, X1, precision); + return graticule; }; + + return graticule + .extentMajor([[-180, -90 + epsilon$1], [180, 90 - epsilon$1]]) + .extentMinor([[-180, -80 - epsilon$1], [180, 80 + epsilon$1]]); } -function transformer(methods) { - return function(stream) { - var s = new TransformStream; - for (var key in methods) s[key] = methods[key]; - s.stream = stream; - return s; - }; +function graticule10() { + return graticule()(); } -function TransformStream() {} +function interpolate(a, b) { + var x0 = a[0] * radians, + y0 = a[1] * radians, + x1 = b[0] * radians, + y1 = b[1] * radians, + cy0 = cos$1(y0), + sy0 = sin$1(y0), + cy1 = cos$1(y1), + sy1 = sin$1(y1), + kx0 = cy0 * cos$1(x0), + ky0 = cy0 * sin$1(x0), + kx1 = cy1 * cos$1(x1), + ky1 = cy1 * sin$1(x1), + d = 2 * asin$1(sqrt$2(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), + k = sin$1(d); -TransformStream.prototype = { - constructor: TransformStream, - point: function(x, y) { this.stream.point(x, y); }, - sphere: function() { this.stream.sphere(); }, - lineStart: function() { this.stream.lineStart(); }, - lineEnd: function() { this.stream.lineEnd(); }, - polygonStart: function() { this.stream.polygonStart(); }, - polygonEnd: function() { this.stream.polygonEnd(); } -}; + var interpolate = d ? function(t) { + var B = sin$1(t *= d) / k, + A = sin$1(d - t) / k, + x = A * kx0 + B * kx1, + y = A * ky0 + B * ky1, + z = A * sy0 + B * sy1; + return [ + atan2$1(y, x) * degrees, + atan2$1(z, sqrt$2(x * x + y * y)) * degrees + ]; + } : function() { + return [x0 * degrees, y0 * degrees]; + }; -function fit(projection, fitBounds, object) { - var clip = projection.clipExtent && projection.clipExtent(); - projection.scale(150).translate([0, 0]); - if (clip != null) projection.clipExtent(null); - geoStream(object, projection.stream(boundsStream$1)); - fitBounds(boundsStream$1.result()); - if (clip != null) projection.clipExtent(clip); - return projection; -} + interpolate.distance = d; -function fitExtent(projection, extent, object) { - return fit(projection, function(b) { - var w = extent[1][0] - extent[0][0], - h = extent[1][1] - extent[0][1], - k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), - x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, - y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; - projection.scale(150 * k).translate([x, y]); - }, object); + return interpolate; } -function fitSize(projection, size, object) { - return fitExtent(projection, [[0, 0], size], object); -} +var identity$5 = x => x; -function fitWidth(projection, width, object) { - return fit(projection, function(b) { - var w = +width, - k = w / (b[1][0] - b[0][0]), - x = (w - k * (b[1][0] + b[0][0])) / 2, - y = -k * b[0][1]; - projection.scale(150 * k).translate([x, y]); - }, object); +var areaSum = new Adder(), + areaRingSum = new Adder(), + x00$2, + y00$2, + x0$3, + y0$3; + +var areaStream = { + point: noop$1, + lineStart: noop$1, + lineEnd: noop$1, + polygonStart: function() { + areaStream.lineStart = areaRingStart; + areaStream.lineEnd = areaRingEnd; + }, + polygonEnd: function() { + areaStream.lineStart = areaStream.lineEnd = areaStream.point = noop$1; + areaSum.add(abs$1(areaRingSum)); + areaRingSum = new Adder(); + }, + result: function() { + var area = areaSum / 2; + areaSum = new Adder(); + return area; + } +}; + +function areaRingStart() { + areaStream.point = areaPointFirst; } -function fitHeight(projection, height, object) { - return fit(projection, function(b) { - var h = +height, - k = h / (b[1][1] - b[0][1]), - x = -k * b[0][0], - y = (h - k * (b[1][1] + b[0][1])) / 2; - projection.scale(150 * k).translate([x, y]); - }, object); +function areaPointFirst(x, y) { + areaStream.point = areaPoint; + x00$2 = x0$3 = x, y00$2 = y0$3 = y; } -var maxDepth = 16, // maximum depth of subdivision - cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) +function areaPoint(x, y) { + areaRingSum.add(y0$3 * x - x0$3 * y); + x0$3 = x, y0$3 = y; +} -function resample(project, delta2) { - return +delta2 ? resample$1(project, delta2) : resampleNone(project); +function areaRingEnd() { + areaPoint(x00$2, y00$2); } -function resampleNone(project) { - return transformer({ - point: function(x, y) { - x = project(x, y); - this.stream.point(x[0], x[1]); - } - }); -} - -function resample$1(project, delta2) { +var x0$2 = Infinity, + y0$2 = x0$2, + x1 = -x0$2, + y1 = x1; - function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) { - var dx = x1 - x0, - dy = y1 - y0, - d2 = dx * dx + dy * dy; - if (d2 > 4 * delta2 && depth--) { - var a = a0 + a1, - b = b0 + b1, - c = c0 + c1, - m = sqrt(a * a + b * b + c * c), - phi2 = asin(c /= m), - lambda2 = abs(abs(c) - 1) < epsilon$2 || abs(lambda0 - lambda1) < epsilon$2 ? (lambda0 + lambda1) / 2 : atan2(b, a), - p = project(lambda2, phi2), - x2 = p[0], - y2 = p[1], - dx2 = x2 - x0, - dy2 = y2 - y0, - dz = dy * dx2 - dx * dy2; - if (dz * dz / d2 > delta2 // perpendicular projected distance - || abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end - || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream); - stream.point(x2, y2); - resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream); - } - } +var boundsStream = { + point: boundsPoint, + lineStart: noop$1, + lineEnd: noop$1, + polygonStart: noop$1, + polygonEnd: noop$1, + result: function() { + var bounds = [[x0$2, y0$2], [x1, y1]]; + x1 = y1 = -(y0$2 = x0$2 = Infinity); + return bounds; } - return function(stream) { - var lambda00, x00, y00, a00, b00, c00, // first point - lambda0, x0, y0, a0, b0, c0; // previous point +}; - var resampleStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; }, - polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; } - }; +function boundsPoint(x, y) { + if (x < x0$2) x0$2 = x; + if (x > x1) x1 = x; + if (y < y0$2) y0$2 = y; + if (y > y1) y1 = y; +} - function point(x, y) { - x = project(x, y); - stream.point(x[0], x[1]); - } +// TODO Enforce positive area for exterior, negative area for interior? - function lineStart() { - x0 = NaN; - resampleStream.point = linePoint; - stream.lineStart(); - } +var X0 = 0, + Y0 = 0, + Z0 = 0, + X1 = 0, + Y1 = 0, + Z1 = 0, + X2 = 0, + Y2 = 0, + Z2 = 0, + x00$1, + y00$1, + x0$1, + y0$1; - function linePoint(lambda, phi) { - var c = cartesian([lambda, phi]), p = project(lambda, phi); - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); - stream.point(x0, y0); - } +var centroidStream = { + point: centroidPoint, + lineStart: centroidLineStart, + lineEnd: centroidLineEnd, + polygonStart: function() { + centroidStream.lineStart = centroidRingStart; + centroidStream.lineEnd = centroidRingEnd; + }, + polygonEnd: function() { + centroidStream.point = centroidPoint; + centroidStream.lineStart = centroidLineStart; + centroidStream.lineEnd = centroidLineEnd; + }, + result: function() { + var centroid = Z2 ? [X2 / Z2, Y2 / Z2] + : Z1 ? [X1 / Z1, Y1 / Z1] + : Z0 ? [X0 / Z0, Y0 / Z0] + : [NaN, NaN]; + X0 = Y0 = Z0 = + X1 = Y1 = Z1 = + X2 = Y2 = Z2 = 0; + return centroid; + } +}; - function lineEnd() { - resampleStream.point = point; - stream.lineEnd(); - } +function centroidPoint(x, y) { + X0 += x; + Y0 += y; + ++Z0; +} - function ringStart() { - lineStart(); - resampleStream.point = ringPoint; - resampleStream.lineEnd = ringEnd; - } +function centroidLineStart() { + centroidStream.point = centroidPointFirstLine; +} - function ringPoint(lambda, phi) { - linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; - resampleStream.point = linePoint; - } +function centroidPointFirstLine(x, y) { + centroidStream.point = centroidPointLine; + centroidPoint(x0$1 = x, y0$1 = y); +} - function ringEnd() { - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream); - resampleStream.lineEnd = lineEnd; - lineEnd(); - } +function centroidPointLine(x, y) { + var dx = x - x0$1, dy = y - y0$1, z = sqrt$2(dx * dx + dy * dy); + X1 += z * (x0$1 + x) / 2; + Y1 += z * (y0$1 + y) / 2; + Z1 += z; + centroidPoint(x0$1 = x, y0$1 = y); +} - return resampleStream; - }; +function centroidLineEnd() { + centroidStream.point = centroidPoint; } -var transformRadians = transformer({ - point: function(x, y) { - this.stream.point(x * radians, y * radians); - } -}); +function centroidRingStart() { + centroidStream.point = centroidPointFirstRing; +} -function transformRotate(rotate) { - return transformer({ - point: function(x, y) { - var r = rotate(x, y); - return this.stream.point(r[0], r[1]); - } - }); +function centroidRingEnd() { + centroidPointRing(x00$1, y00$1); } -function scaleTranslate(k, dx, dy, sx, sy) { - function transform(x, y) { - x *= sx; y *= sy; - return [dx + k * x, dy - k * y]; - } - transform.invert = function(x, y) { - return [(x - dx) / k * sx, (dy - y) / k * sy]; - }; - return transform; +function centroidPointFirstRing(x, y) { + centroidStream.point = centroidPointRing; + centroidPoint(x00$1 = x0$1 = x, y00$1 = y0$1 = y); } -function scaleTranslateRotate(k, dx, dy, sx, sy, alpha) { - var cosAlpha = cos$1(alpha), - sinAlpha = sin$1(alpha), - a = cosAlpha * k, - b = sinAlpha * k, - ai = cosAlpha / k, - bi = sinAlpha / k, - ci = (sinAlpha * dy - cosAlpha * dx) / k, - fi = (sinAlpha * dx + cosAlpha * dy) / k; - function transform(x, y) { - x *= sx; y *= sy; - return [a * x - b * y + dx, dy - b * x - a * y]; - } - transform.invert = function(x, y) { - return [sx * (ai * x - bi * y + ci), sy * (fi - bi * x - ai * y)]; - }; - return transform; +function centroidPointRing(x, y) { + var dx = x - x0$1, + dy = y - y0$1, + z = sqrt$2(dx * dx + dy * dy); + + X1 += z * (x0$1 + x) / 2; + Y1 += z * (y0$1 + y) / 2; + Z1 += z; + + z = y0$1 * x - x0$1 * y; + X2 += z * (x0$1 + x); + Y2 += z * (y0$1 + y); + Z2 += z * 3; + centroidPoint(x0$1 = x, y0$1 = y); } -function projection(project) { - return projectionMutator(function() { return project; })(); +function PathContext(context) { + this._context = context; } -function projectionMutator(projectAt) { - var project, - k = 150, // scale - x = 480, y = 250, // translate - lambda = 0, phi = 0, // center - deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, // pre-rotate - alpha = 0, // post-rotate angle - sx = 1, // reflectX - sy = 1, // reflectX - theta = null, preclip = clipAntimeridian, // pre-clip angle - x0 = null, y0, x1, y1, postclip = identity$4, // post-clip extent - delta2 = 0.5, // precision - projectResample, - projectTransform, - projectRotateTransform, - cache, - cacheStream; +PathContext.prototype = { + _radius: 4.5, + pointRadius: function(_) { + return this._radius = _, this; + }, + polygonStart: function() { + this._line = 0; + }, + polygonEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line === 0) this._context.closePath(); + this._point = NaN; + }, + point: function(x, y) { + switch (this._point) { + case 0: { + this._context.moveTo(x, y); + this._point = 1; + break; + } + case 1: { + this._context.lineTo(x, y); + break; + } + default: { + this._context.moveTo(x + this._radius, y); + this._context.arc(x, y, this._radius, 0, tau$1); + break; + } + } + }, + result: noop$1 +}; - function projection(point) { - return projectRotateTransform(point[0] * radians, point[1] * radians); - } +var lengthSum = new Adder(), + lengthRing, + x00, + y00, + x0, + y0; - function invert(point) { - point = projectRotateTransform.invert(point[0], point[1]); - return point && [point[0] * degrees$1, point[1] * degrees$1]; +var lengthStream = { + point: noop$1, + lineStart: function() { + lengthStream.point = lengthPointFirst; + }, + lineEnd: function() { + if (lengthRing) lengthPoint(x00, y00); + lengthStream.point = noop$1; + }, + polygonStart: function() { + lengthRing = true; + }, + polygonEnd: function() { + lengthRing = null; + }, + result: function() { + var length = +lengthSum; + lengthSum = new Adder(); + return length; } +}; - projection.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = transformRadians(transformRotate(rotate)(preclip(projectResample(postclip(cacheStream = stream))))); - }; +function lengthPointFirst(x, y) { + lengthStream.point = lengthPoint; + x00 = x0 = x, y00 = y0 = y; +} - projection.preclip = function(_) { - return arguments.length ? (preclip = _, theta = undefined, reset()) : preclip; - }; +function lengthPoint(x, y) { + x0 -= x, y0 -= y; + lengthSum.add(sqrt$2(x0 * x0 + y0 * y0)); + x0 = x, y0 = y; +} - projection.postclip = function(_) { - return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; - }; +function PathString() { + this._string = []; +} - projection.clipAngle = function(_) { - return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1; - }; +PathString.prototype = { + _radius: 4.5, + _circle: circle$1(4.5), + pointRadius: function(_) { + if ((_ = +_) !== this._radius) this._radius = _, this._circle = null; + return this; + }, + polygonStart: function() { + this._line = 0; + }, + polygonEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._line === 0) this._string.push("Z"); + this._point = NaN; + }, + point: function(x, y) { + switch (this._point) { + case 0: { + this._string.push("M", x, ",", y); + this._point = 1; + break; + } + case 1: { + this._string.push("L", x, ",", y); + break; + } + default: { + if (this._circle == null) this._circle = circle$1(this._radius); + this._string.push("M", x, ",", y, this._circle); + break; + } + } + }, + result: function() { + if (this._string.length) { + var result = this._string.join(""); + this._string = []; + return result; + } else { + return null; + } + } +}; - projection.clipExtent = function(_) { - return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; - }; +function circle$1(radius) { + return "m0," + radius + + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + + "z"; +} - projection.scale = function(_) { - return arguments.length ? (k = +_, recenter()) : k; - }; +function index$2(projection, context) { + var pointRadius = 4.5, + projectionStream, + contextStream; - projection.translate = function(_) { - return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y]; - }; + function path(object) { + if (object) { + if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); + geoStream(object, projectionStream(contextStream)); + } + return contextStream.result(); + } - projection.center = function(_) { - return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees$1, phi * degrees$1]; + path.area = function(object) { + geoStream(object, projectionStream(areaStream)); + return areaStream.result(); }; - projection.rotate = function(_) { - return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees$1, deltaPhi * degrees$1, deltaGamma * degrees$1]; + path.measure = function(object) { + geoStream(object, projectionStream(lengthStream)); + return lengthStream.result(); }; - projection.angle = function(_) { - return arguments.length ? (alpha = _ % 360 * radians, recenter()) : alpha * degrees$1; + path.bounds = function(object) { + geoStream(object, projectionStream(boundsStream)); + return boundsStream.result(); }; - projection.reflectX = function(_) { - return arguments.length ? (sx = _ ? -1 : 1, recenter()) : sx < 0; + path.centroid = function(object) { + geoStream(object, projectionStream(centroidStream)); + return centroidStream.result(); }; - projection.reflectY = function(_) { - return arguments.length ? (sy = _ ? -1 : 1, recenter()) : sy < 0; + path.projection = function(_) { + return arguments.length ? (projectionStream = _ == null ? (projection = null, identity$5) : (projection = _).stream, path) : projection; }; - projection.precision = function(_) { - return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt(delta2); + path.context = function(_) { + if (!arguments.length) return context; + contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); + if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); + return path; }; - projection.fitExtent = function(extent, object) { - return fitExtent(projection, extent, object); + path.pointRadius = function(_) { + if (!arguments.length) return pointRadius; + pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); + return path; }; - projection.fitSize = function(size, object) { - return fitSize(projection, size, object); - }; + return path.projection(projection).context(context); +} - projection.fitWidth = function(width, object) { - return fitWidth(projection, width, object); +function transform$1(methods) { + return { + stream: transformer$3(methods) }; +} - projection.fitHeight = function(height, object) { - return fitHeight(projection, height, object); +function transformer$3(methods) { + return function(stream) { + var s = new TransformStream; + for (var key in methods) s[key] = methods[key]; + s.stream = stream; + return s; }; +} - function recenter() { - var center = scaleTranslateRotate(k, 0, 0, sx, sy, alpha).apply(null, project(lambda, phi)), - transform = (alpha ? scaleTranslateRotate : scaleTranslate)(k, x - center[0], y - center[1], sx, sy, alpha); - rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma); - projectTransform = compose(project, transform); - projectRotateTransform = compose(rotate, projectTransform); - projectResample = resample(projectTransform, delta2); - return reset(); - } +function TransformStream() {} - function reset() { - cache = cacheStream = null; - return projection; - } +TransformStream.prototype = { + constructor: TransformStream, + point: function(x, y) { this.stream.point(x, y); }, + sphere: function() { this.stream.sphere(); }, + lineStart: function() { this.stream.lineStart(); }, + lineEnd: function() { this.stream.lineEnd(); }, + polygonStart: function() { this.stream.polygonStart(); }, + polygonEnd: function() { this.stream.polygonEnd(); } +}; - return function() { - project = projectAt.apply(this, arguments); - projection.invert = project.invert && invert; - return recenter(); - }; +function fit(projection, fitBounds, object) { + var clip = projection.clipExtent && projection.clipExtent(); + projection.scale(150).translate([0, 0]); + if (clip != null) projection.clipExtent(null); + geoStream(object, projection.stream(boundsStream)); + fitBounds(boundsStream.result()); + if (clip != null) projection.clipExtent(clip); + return projection; } -function conicProjection(projectAt) { - var phi0 = 0, - phi1 = pi$3 / 3, - m = projectionMutator(projectAt), - p = m(phi0, phi1); - - p.parallels = function(_) { - return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees$1, phi1 * degrees$1]; - }; +function fitExtent(projection, extent, object) { + return fit(projection, function(b) { + var w = extent[1][0] - extent[0][0], + h = extent[1][1] - extent[0][1], + k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), + x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, + y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; + projection.scale(150 * k).translate([x, y]); + }, object); +} - return p; +function fitSize(projection, size, object) { + return fitExtent(projection, [[0, 0], size], object); } -function cylindricalEqualAreaRaw(phi0) { - var cosPhi0 = cos$1(phi0); +function fitWidth(projection, width, object) { + return fit(projection, function(b) { + var w = +width, + k = w / (b[1][0] - b[0][0]), + x = (w - k * (b[1][0] + b[0][0])) / 2, + y = -k * b[0][1]; + projection.scale(150 * k).translate([x, y]); + }, object); +} - function forward(lambda, phi) { - return [lambda * cosPhi0, sin$1(phi) / cosPhi0]; - } +function fitHeight(projection, height, object) { + return fit(projection, function(b) { + var h = +height, + k = h / (b[1][1] - b[0][1]), + x = -k * b[0][0], + y = (h - k * (b[1][1] + b[0][1])) / 2; + projection.scale(150 * k).translate([x, y]); + }, object); +} - forward.invert = function(x, y) { - return [x / cosPhi0, asin(y * cosPhi0)]; - }; +var maxDepth = 16, // maximum depth of subdivision + cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) - return forward; +function resample(project, delta2) { + return +delta2 ? resample$1(project, delta2) : resampleNone(project); } -function conicEqualAreaRaw(y0, y1) { - var sy0 = sin$1(y0), n = (sy0 + sin$1(y1)) / 2; - - // Are the parallels symmetrical around the Equator? - if (abs(n) < epsilon$2) return cylindricalEqualAreaRaw(y0); +function resampleNone(project) { + return transformer$3({ + point: function(x, y) { + x = project(x, y); + this.stream.point(x[0], x[1]); + } + }); +} - var c = 1 + sy0 * (2 * n - sy0), r0 = sqrt(c) / n; +function resample$1(project, delta2) { - function project(x, y) { - var r = sqrt(c - 2 * n * sin$1(y)) / n; - return [r * sin$1(x *= n), r0 - r * cos$1(x)]; + function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) { + var dx = x1 - x0, + dy = y1 - y0, + d2 = dx * dx + dy * dy; + if (d2 > 4 * delta2 && depth--) { + var a = a0 + a1, + b = b0 + b1, + c = c0 + c1, + m = sqrt$2(a * a + b * b + c * c), + phi2 = asin$1(c /= m), + lambda2 = abs$1(abs$1(c) - 1) < epsilon$1 || abs$1(lambda0 - lambda1) < epsilon$1 ? (lambda0 + lambda1) / 2 : atan2$1(b, a), + p = project(lambda2, phi2), + x2 = p[0], + y2 = p[1], + dx2 = x2 - x0, + dy2 = y2 - y0, + dz = dy * dx2 - dx * dy2; + if (dz * dz / d2 > delta2 // perpendicular projected distance + || abs$1((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end + || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream); + stream.point(x2, y2); + resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream); + } + } } + return function(stream) { + var lambda00, x00, y00, a00, b00, c00, // first point + lambda0, x0, y0, a0, b0, c0; // previous point - project.invert = function(x, y) { - var r0y = r0 - y, - l = atan2(x, abs(r0y)) * sign(r0y); - if (r0y * n < 0) - l -= pi$3 * sign(x) * sign(r0y); - return [l / n, asin((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; - }; + var resampleStream = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; }, + polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; } + }; - return project; -} + function point(x, y) { + x = project(x, y); + stream.point(x[0], x[1]); + } -function conicEqualArea() { - return conicProjection(conicEqualAreaRaw) - .scale(155.424) - .center([0, 33.6442]); -} + function lineStart() { + x0 = NaN; + resampleStream.point = linePoint; + stream.lineStart(); + } + + function linePoint(lambda, phi) { + var c = cartesian([lambda, phi]), p = project(lambda, phi); + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); + stream.point(x0, y0); + } + + function lineEnd() { + resampleStream.point = point; + stream.lineEnd(); + } + + function ringStart() { + lineStart(); + resampleStream.point = ringPoint; + resampleStream.lineEnd = ringEnd; + } + + function ringPoint(lambda, phi) { + linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; + resampleStream.point = linePoint; + } + + function ringEnd() { + resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream); + resampleStream.lineEnd = lineEnd; + lineEnd(); + } + + return resampleStream; + }; +} + +var transformRadians = transformer$3({ + point: function(x, y) { + this.stream.point(x * radians, y * radians); + } +}); + +function transformRotate(rotate) { + return transformer$3({ + point: function(x, y) { + var r = rotate(x, y); + return this.stream.point(r[0], r[1]); + } + }); +} + +function scaleTranslate(k, dx, dy, sx, sy) { + function transform(x, y) { + x *= sx; y *= sy; + return [dx + k * x, dy - k * y]; + } + transform.invert = function(x, y) { + return [(x - dx) / k * sx, (dy - y) / k * sy]; + }; + return transform; +} + +function scaleTranslateRotate(k, dx, dy, sx, sy, alpha) { + if (!alpha) return scaleTranslate(k, dx, dy, sx, sy); + var cosAlpha = cos$1(alpha), + sinAlpha = sin$1(alpha), + a = cosAlpha * k, + b = sinAlpha * k, + ai = cosAlpha / k, + bi = sinAlpha / k, + ci = (sinAlpha * dy - cosAlpha * dx) / k, + fi = (sinAlpha * dx + cosAlpha * dy) / k; + function transform(x, y) { + x *= sx; y *= sy; + return [a * x - b * y + dx, dy - b * x - a * y]; + } + transform.invert = function(x, y) { + return [sx * (ai * x - bi * y + ci), sy * (fi - bi * x - ai * y)]; + }; + return transform; +} + +function projection(project) { + return projectionMutator(function() { return project; })(); +} + +function projectionMutator(projectAt) { + var project, + k = 150, // scale + x = 480, y = 250, // translate + lambda = 0, phi = 0, // center + deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, // pre-rotate + alpha = 0, // post-rotate angle + sx = 1, // reflectX + sy = 1, // reflectX + theta = null, preclip = clipAntimeridian, // pre-clip angle + x0 = null, y0, x1, y1, postclip = identity$5, // post-clip extent + delta2 = 0.5, // precision + projectResample, + projectTransform, + projectRotateTransform, + cache, + cacheStream; + + function projection(point) { + return projectRotateTransform(point[0] * radians, point[1] * radians); + } + + function invert(point) { + point = projectRotateTransform.invert(point[0], point[1]); + return point && [point[0] * degrees, point[1] * degrees]; + } + + projection.stream = function(stream) { + return cache && cacheStream === stream ? cache : cache = transformRadians(transformRotate(rotate)(preclip(projectResample(postclip(cacheStream = stream))))); + }; + + projection.preclip = function(_) { + return arguments.length ? (preclip = _, theta = undefined, reset()) : preclip; + }; + + projection.postclip = function(_) { + return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; + }; + + projection.clipAngle = function(_) { + return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees; + }; + + projection.clipExtent = function(_) { + return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$5) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + }; + + projection.scale = function(_) { + return arguments.length ? (k = +_, recenter()) : k; + }; + + projection.translate = function(_) { + return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y]; + }; + + projection.center = function(_) { + return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees, phi * degrees]; + }; + + projection.rotate = function(_) { + return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees, deltaPhi * degrees, deltaGamma * degrees]; + }; + + projection.angle = function(_) { + return arguments.length ? (alpha = _ % 360 * radians, recenter()) : alpha * degrees; + }; + + projection.reflectX = function(_) { + return arguments.length ? (sx = _ ? -1 : 1, recenter()) : sx < 0; + }; + + projection.reflectY = function(_) { + return arguments.length ? (sy = _ ? -1 : 1, recenter()) : sy < 0; + }; + + projection.precision = function(_) { + return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt$2(delta2); + }; + + projection.fitExtent = function(extent, object) { + return fitExtent(projection, extent, object); + }; + + projection.fitSize = function(size, object) { + return fitSize(projection, size, object); + }; + + projection.fitWidth = function(width, object) { + return fitWidth(projection, width, object); + }; + + projection.fitHeight = function(height, object) { + return fitHeight(projection, height, object); + }; + + function recenter() { + var center = scaleTranslateRotate(k, 0, 0, sx, sy, alpha).apply(null, project(lambda, phi)), + transform = scaleTranslateRotate(k, x - center[0], y - center[1], sx, sy, alpha); + rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma); + projectTransform = compose(project, transform); + projectRotateTransform = compose(rotate, projectTransform); + projectResample = resample(projectTransform, delta2); + return reset(); + } + + function reset() { + cache = cacheStream = null; + return projection; + } + + return function() { + project = projectAt.apply(this, arguments); + projection.invert = project.invert && invert; + return recenter(); + }; +} + +function conicProjection(projectAt) { + var phi0 = 0, + phi1 = pi$1 / 3, + m = projectionMutator(projectAt), + p = m(phi0, phi1); + + p.parallels = function(_) { + return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees, phi1 * degrees]; + }; + + return p; +} + +function cylindricalEqualAreaRaw(phi0) { + var cosPhi0 = cos$1(phi0); + + function forward(lambda, phi) { + return [lambda * cosPhi0, sin$1(phi) / cosPhi0]; + } + + forward.invert = function(x, y) { + return [x / cosPhi0, asin$1(y * cosPhi0)]; + }; + + return forward; +} + +function conicEqualAreaRaw(y0, y1) { + var sy0 = sin$1(y0), n = (sy0 + sin$1(y1)) / 2; + + // Are the parallels symmetrical around the Equator? + if (abs$1(n) < epsilon$1) return cylindricalEqualAreaRaw(y0); + + var c = 1 + sy0 * (2 * n - sy0), r0 = sqrt$2(c) / n; + + function project(x, y) { + var r = sqrt$2(c - 2 * n * sin$1(y)) / n; + return [r * sin$1(x *= n), r0 - r * cos$1(x)]; + } + + project.invert = function(x, y) { + var r0y = r0 - y, + l = atan2$1(x, abs$1(r0y)) * sign$1(r0y); + if (r0y * n < 0) + l -= pi$1 * sign$1(x) * sign$1(r0y); + return [l / n, asin$1((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; + }; + + return project; +} + +function conicEqualArea() { + return conicProjection(conicEqualAreaRaw) + .scale(155.424) + .center([0, 33.6442]); +} function albers() { return conicEqualArea() @@ -10244,12 +11846,12 @@ function albersUsa() { alaskaPoint = alaska .translate([x - 0.307 * k, y + 0.201 * k]) - .clipExtent([[x - 0.425 * k + epsilon$2, y + 0.120 * k + epsilon$2], [x - 0.214 * k - epsilon$2, y + 0.234 * k - epsilon$2]]) + .clipExtent([[x - 0.425 * k + epsilon$1, y + 0.120 * k + epsilon$1], [x - 0.214 * k - epsilon$1, y + 0.234 * k - epsilon$1]]) .stream(pointStream); hawaiiPoint = hawaii .translate([x - 0.205 * k, y + 0.212 * k]) - .clipExtent([[x - 0.214 * k + epsilon$2, y + 0.166 * k + epsilon$2], [x - 0.115 * k - epsilon$2, y + 0.234 * k - epsilon$2]]) + .clipExtent([[x - 0.214 * k + epsilon$1, y + 0.166 * k + epsilon$1], [x - 0.115 * k - epsilon$1, y + 0.234 * k - epsilon$1]]) .stream(pointStream); return reset(); @@ -10284,6 +11886,7 @@ function azimuthalRaw(scale) { var cx = cos$1(x), cy = cos$1(y), k = scale(cx * cy); + if (k === Infinity) return [2, 0]; return [ k * cy * sin$1(x), k * sin$1(y) @@ -10293,23 +11896,23 @@ function azimuthalRaw(scale) { function azimuthalInvert(angle) { return function(x, y) { - var z = sqrt(x * x + y * y), + var z = sqrt$2(x * x + y * y), c = angle(z), sc = sin$1(c), cc = cos$1(c); return [ - atan2(x * sc, z * cc), - asin(z && y * sc / z) + atan2$1(x * sc, z * cc), + asin$1(z && y * sc / z) ]; } } var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) { - return sqrt(2 / (1 + cxcy)); + return sqrt$2(2 / (1 + cxcy)); }); azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) { - return 2 * asin(z / 2); + return 2 * asin$1(z / 2); }); function azimuthalEqualArea() { @@ -10319,7 +11922,7 @@ function azimuthalEqualArea() { } var azimuthalEquidistantRaw = azimuthalRaw(function(c) { - return (c = acos(c)) && c / sin$1(c); + return (c = acos$1(c)) && c / sin$1(c); }); azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) { @@ -10333,16 +11936,16 @@ function azimuthalEquidistant() { } function mercatorRaw(lambda, phi) { - return [lambda, log(tan((halfPi$2 + phi) / 2))]; + return [lambda, log$1(tan((halfPi$1 + phi) / 2))]; } mercatorRaw.invert = function(x, y) { - return [x, 2 * atan(exp(y)) - halfPi$2]; + return [x, 2 * atan(exp(y)) - halfPi$1]; }; function mercator() { return mercatorProjection(mercatorRaw) - .scale(961 / tau$3); + .scale(961 / tau$1); } function mercatorProjection(project) { @@ -10370,7 +11973,7 @@ function mercatorProjection(project) { }; function reclip() { - var k = pi$3 * scale(), + var k = pi$1 * scale(), t = m(rotation(m.rotate()).invert([0, 0])); return clipExtent(x0 == null ? [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]] : project === mercatorRaw @@ -10382,29 +11985,29 @@ function mercatorProjection(project) { } function tany(y) { - return tan((halfPi$2 + y) / 2); + return tan((halfPi$1 + y) / 2); } function conicConformalRaw(y0, y1) { var cy0 = cos$1(y0), - n = y0 === y1 ? sin$1(y0) : log(cy0 / cos$1(y1)) / log(tany(y1) / tany(y0)), - f = cy0 * pow(tany(y0), n) / n; + n = y0 === y1 ? sin$1(y0) : log$1(cy0 / cos$1(y1)) / log$1(tany(y1) / tany(y0)), + f = cy0 * pow$1(tany(y0), n) / n; if (!n) return mercatorRaw; function project(x, y) { - if (f > 0) { if (y < -halfPi$2 + epsilon$2) y = -halfPi$2 + epsilon$2; } - else { if (y > halfPi$2 - epsilon$2) y = halfPi$2 - epsilon$2; } - var r = f / pow(tany(y), n); + if (f > 0) { if (y < -halfPi$1 + epsilon$1) y = -halfPi$1 + epsilon$1; } + else { if (y > halfPi$1 - epsilon$1) y = halfPi$1 - epsilon$1; } + var r = f / pow$1(tany(y), n); return [r * sin$1(n * x), f - r * cos$1(n * x)]; } project.invert = function(x, y) { - var fy = f - y, r = sign(n) * sqrt(x * x + fy * fy), - l = atan2(x, abs(fy)) * sign(fy); + var fy = f - y, r = sign$1(n) * sqrt$2(x * x + fy * fy), + l = atan2$1(x, abs$1(fy)) * sign$1(fy); if (fy * n < 0) - l -= pi$3 * sign(x) * sign(fy); - return [l / n, 2 * atan(pow(f / r, 1 / n)) - halfPi$2]; + l -= pi$1 * sign$1(x) * sign$1(fy); + return [l / n, 2 * atan(pow$1(f / r, 1 / n)) - halfPi$1]; }; return project; @@ -10432,7 +12035,7 @@ function conicEquidistantRaw(y0, y1) { n = y0 === y1 ? sin$1(y0) : (cy0 - cos$1(y1)) / (y1 - y0), g = cy0 / n + y0; - if (abs(n) < epsilon$2) return equirectangularRaw; + if (abs$1(n) < epsilon$1) return equirectangularRaw; function project(x, y) { var gy = g - y, nx = n * x; @@ -10441,10 +12044,10 @@ function conicEquidistantRaw(y0, y1) { project.invert = function(x, y) { var gy = g - y, - l = atan2(x, abs(gy)) * sign(gy); + l = atan2$1(x, abs$1(gy)) * sign$1(gy); if (gy * n < 0) - l -= pi$3 * sign(x) * sign(gy); - return [l / n, g - sign(n) * sqrt(x * x + gy * gy)]; + l -= pi$1 * sign$1(x) * sign$1(gy); + return [l / n, g - sign$1(n) * sqrt$2(x * x + gy * gy)]; }; return project; @@ -10460,11 +12063,11 @@ var A1 = 1.340264, A2 = -0.081106, A3 = 0.000893, A4 = 0.003796, - M = sqrt(3) / 2, + M = sqrt$2(3) / 2, iterations = 12; function equalEarthRaw(lambda, phi) { - var l = asin(M * sin$1(phi)), l2 = l * l, l6 = l2 * l2 * l2; + var l = asin$1(M * sin$1(phi)), l2 = l * l, l6 = l2 * l2 * l2; return [ lambda * cos$1(l) / (M * (A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2))), l * (A1 + A2 * l2 + l6 * (A3 + A4 * l2)) @@ -10477,11 +12080,11 @@ equalEarthRaw.invert = function(x, y) { fy = l * (A1 + A2 * l2 + l6 * (A3 + A4 * l2)) - y; fpy = A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2); l -= delta = fy / fpy, l2 = l * l, l6 = l2 * l2 * l2; - if (abs(delta) < epsilon2$1) break; + if (abs$1(delta) < epsilon2) break; } return [ M * x * (A1 + 3 * A2 * l2 + l6 * (7 * A3 + 9 * A4 * l2)) / cos$1(l), - asin(sin$1(l) / M) + asin$1(sin$1(l) / M) ]; }; @@ -10503,18 +12106,18 @@ function gnomonic() { .clipAngle(60); } -function identity$5() { +function identity$4() { var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, // scale, translate and reflect alpha = 0, ca, sa, // angle x0 = null, y0, x1, y1, // clip extent kx = 1, ky = 1, - transform = transformer({ + transform = transformer$3({ point: function(x, y) { var p = projection([x, y]); this.stream.point(p[0], p[1]); } }), - postclip = identity$4, + postclip = identity$5, cache, cacheStream; @@ -10550,7 +12153,7 @@ function identity$5() { return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; }; projection.clipExtent = function(_) { - return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; + return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$5) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; }; projection.scale = function(_) { return arguments.length ? (k = +_, reset()) : k; @@ -10559,7 +12162,7 @@ function identity$5() { return arguments.length ? (tx = +_[0], ty = +_[1], reset()) : [tx, ty]; }; projection.angle = function(_) { - return arguments.length ? (alpha = _ % 360 * radians, sa = sin$1(alpha), ca = cos$1(alpha), reset()) : alpha * degrees$1; + return arguments.length ? (alpha = _ % 360 * radians, sa = sin$1(alpha), ca = cos$1(alpha), reset()) : alpha * degrees; }; projection.reflectX = function(_) { return arguments.length ? (sx = _ ? -1 : 1, reset()) : sx < 0; @@ -10597,7 +12200,7 @@ naturalEarth1Raw.invert = function(x, y) { var phi2 = phi * phi, phi4 = phi2 * phi2; phi -= delta = (phi * (1.007226 + phi2 * (0.015085 + phi4 * (-0.044475 + 0.028874 * phi2 - 0.005916 * phi4))) - y) / (1.007226 + phi2 * (0.015085 * 3 + phi4 * (-0.044475 * 7 + 0.028874 * 9 * phi2 - 0.005916 * 11 * phi4))); - } while (abs(delta) > epsilon$2 && --i > 0); + } while (abs$1(delta) > epsilon$1 && --i > 0); return [ x / (0.8707 + (phi2 = phi * phi) * (-0.131979 + phi2 * (-0.013791 + phi2 * phi2 * phi2 * (0.003971 - 0.001529 * phi2)))), phi @@ -10613,12 +12216,12 @@ function orthographicRaw(x, y) { return [cos$1(y) * sin$1(x), sin$1(y)]; } -orthographicRaw.invert = azimuthalInvert(asin); +orthographicRaw.invert = azimuthalInvert(asin$1); function orthographic() { return projection(orthographicRaw) .scale(249.5) - .clipAngle(90 + epsilon$2); + .clipAngle(90 + epsilon$1); } function stereographicRaw(x, y) { @@ -10637,11 +12240,11 @@ function stereographic() { } function transverseMercatorRaw(lambda, phi) { - return [log(tan((halfPi$2 + phi) / 2)), -lambda]; + return [log$1(tan((halfPi$1 + phi) / 2)), -lambda]; } transverseMercatorRaw.invert = function(x, y) { - return [-y, 2 * atan(exp(x)) - halfPi$2]; + return [-y, 2 * atan(exp(x)) - halfPi$1]; }; function transverseMercator() { @@ -10661,7 +12264,7 @@ function transverseMercator() { .scale(159.155); } -function defaultSeparation(a, b) { +function defaultSeparation$1(a, b) { return a.parent === b.parent ? 1 : 2; } @@ -10694,7 +12297,7 @@ function leafRight(node) { } function cluster() { - var separation = defaultSeparation, + var separation = defaultSeparation$1, dx = 1, dy = 1, nodeSize = false; @@ -10759,45 +12362,52 @@ function node_count() { return this.eachAfter(count); } -function node_each(callback) { - var node = this, current, next = [node], children, i, n; - do { - current = next.reverse(), next = []; - while (node = current.pop()) { - callback(node), children = node.children; - if (children) for (i = 0, n = children.length; i < n; ++i) { - next.push(children[i]); - } - } - } while (next.length); +function node_each(callback, that) { + let index = -1; + for (const node of this) { + callback.call(that, node, ++index, this); + } return this; } -function node_eachBefore(callback) { - var node = this, nodes = [node], children, i; +function node_eachBefore(callback, that) { + var node = this, nodes = [node], children, i, index = -1; while (node = nodes.pop()) { - callback(node), children = node.children; - if (children) for (i = children.length - 1; i >= 0; --i) { - nodes.push(children[i]); + callback.call(that, node, ++index, this); + if (children = node.children) { + for (i = children.length - 1; i >= 0; --i) { + nodes.push(children[i]); + } } } return this; } -function node_eachAfter(callback) { - var node = this, nodes = [node], next = [], children, i, n; +function node_eachAfter(callback, that) { + var node = this, nodes = [node], next = [], children, i, n, index = -1; while (node = nodes.pop()) { - next.push(node), children = node.children; - if (children) for (i = 0, n = children.length; i < n; ++i) { - nodes.push(children[i]); + next.push(node); + if (children = node.children) { + for (i = 0, n = children.length; i < n; ++i) { + nodes.push(children[i]); + } } } while (node = next.pop()) { - callback(node); + callback.call(that, node, ++index, this); } return this; } +function node_find(callback, that) { + let index = -1; + for (const node of this) { + if (callback.call(that, node, ++index, this)) { + return node; + } + } +} + function node_sum(value) { return this.eachAfter(function(node) { var sum = +value(node.data) || 0, @@ -10856,11 +12466,7 @@ function node_ancestors() { } function node_descendants() { - var nodes = []; - this.each(function(node) { - nodes.push(node); - }); - return nodes; + return Array.from(this); } function node_leaves() { @@ -10883,9 +12489,30 @@ function node_links() { return links; } +function* node_iterator() { + var node = this, current, next = [node], children, i, n; + do { + current = next.reverse(), next = []; + while (node = current.pop()) { + yield node; + if (children = node.children) { + for (i = 0, n = children.length; i < n; ++i) { + next.push(children[i]); + } + } + } + } while (next.length); +} + function hierarchy(data, children) { - var root = new Node(data), - valued = +data.value && (root.value = data.value), + if (data instanceof Map) { + data = [undefined, data]; + if (children === undefined) children = mapChildren; + } else if (children === undefined) { + children = objectChildren; + } + + var root = new Node$1(data), node, nodes = [root], child, @@ -10893,14 +12520,11 @@ function hierarchy(data, children) { i, n; - if (children == null) children = defaultChildren; - while (node = nodes.pop()) { - if (valued) node.value = +node.data.value; - if ((childs = children(node.data)) && (n = childs.length)) { - node.children = new Array(n); + if ((childs = children(node.data)) && (n = (childs = Array.from(childs)).length)) { + node.children = childs; for (i = n - 1; i >= 0; --i) { - nodes.push(child = node.children[i] = new Node(childs[i])); + nodes.push(child = childs[i] = new Node$1(childs[i])); child.parent = node; child.depth = node.depth + 1; } @@ -10914,11 +12538,16 @@ function node_copy() { return hierarchy(this).eachBefore(copyData); } -function defaultChildren(d) { +function objectChildren(d) { return d.children; } +function mapChildren(d) { + return Array.isArray(d) ? d[1] : null; +} + function copyData(node) { + if (node.data.value !== undefined) node.value = node.data.value; node.data = node.data.data; } @@ -10928,19 +12557,20 @@ function computeHeight(node) { while ((node = node.parent) && (node.height < ++height)); } -function Node(data) { +function Node$1(data) { this.data = data; this.depth = this.height = 0; this.parent = null; } -Node.prototype = hierarchy.prototype = { - constructor: Node, +Node$1.prototype = hierarchy.prototype = { + constructor: Node$1, count: node_count, each: node_each, eachAfter: node_eachAfter, eachBefore: node_eachBefore, + find: node_find, sum: node_sum, sort: node_sort, path: node_path, @@ -10948,12 +12578,17 @@ Node.prototype = hierarchy.prototype = { descendants: node_descendants, leaves: node_leaves, links: node_links, - copy: node_copy + copy: node_copy, + [Symbol.iterator]: node_iterator }; -var slice$4 = Array.prototype.slice; +function array$1(x) { + return typeof x === "object" && "length" in x + ? x // Array, TypedArray, NodeList, array-like + : Array.from(x); // Map, Set, iterable, string, or anything else +} -function shuffle$1(array) { +function shuffle(array) { var m = array.length, t, i; @@ -10969,7 +12604,7 @@ function shuffle$1(array) { } function enclose(circles) { - var i = 0, n = (circles = shuffle$1(slice$4.call(circles))).length, B = [], p, e; + var i = 0, n = (circles = shuffle(Array.from(circles))).length, B = [], p, e; while (i < n) { p = circles[i]; @@ -11015,7 +12650,7 @@ function enclosesNot(a, b) { } function enclosesWeak(a, b) { - var dr = a.r - b.r + 1e-6, dx = b.x - a.x, dy = b.y - a.y; + var dr = a.r - b.r + Math.max(a.r, b.r, 1) * 1e-9, dx = b.x - a.x, dy = b.y - a.y; return dr > 0 && dr * dr > dx * dx + dy * dy; } @@ -11123,14 +12758,14 @@ function score(node) { return dx * dx + dy * dy; } -function Node$1(circle) { +function Node(circle) { this._ = circle; this.next = null; this.previous = null; } function packEnclose(circles) { - if (!(n = circles.length)) return 0; + if (!(n = (circles = array$1(circles)).length)) return 0; var a, b, c, n, aa, ca, i, j, k, sj, sk; @@ -11146,14 +12781,14 @@ function packEnclose(circles) { place(b, a, c = circles[2]); // Initialize the front-chain using the first three circles a, b and c. - a = new Node$1(a), b = new Node$1(b), c = new Node$1(c); + a = new Node(a), b = new Node(b), c = new Node(c); a.next = c.previous = b; b.next = a.previous = c; c.next = b.previous = a; // Attempt to place each remaining circle… pack: for (i = 3; i < n; ++i) { - place(a._, b._, c = circles[i]), c = new Node$1(c); + place(a._, b._, c = circles[i]), c = new Node(c); // Find the closest intersecting circle on the front-chain, if any. // “Closeness” is determined by linear distance along the front-chain. @@ -11215,17 +12850,17 @@ function constantZero() { return 0; } -function constant$9(x) { +function constant$2(x) { return function() { return x; }; } -function defaultRadius$1(d) { +function defaultRadius(d) { return Math.sqrt(d.value); } -function index$2() { +function index$1() { var radius = null, dx = 1, dy = 1, @@ -11238,7 +12873,7 @@ function index$2() { .eachAfter(packChildren(padding, 0.5)) .eachBefore(translateChild(1)); } else { - root.eachBefore(radiusLeaf(defaultRadius$1)) + root.eachBefore(radiusLeaf(defaultRadius)) .eachAfter(packChildren(constantZero, 1)) .eachAfter(packChildren(padding, root.r / Math.min(dx, dy))) .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r))); @@ -11255,7 +12890,7 @@ function index$2() { }; pack.padding = function(x) { - return arguments.length ? (padding = typeof x === "function" ? x : constant$9(+x), pack) : padding; + return arguments.length ? (padding = typeof x === "function" ? x : constant$2(+x), pack) : padding; }; return pack; @@ -11367,8 +13002,7 @@ function partition() { return partition; } -var keyPrefix$1 = "$", // Protect against keys like “__proto__”. - preroot = {depth: -1}, +var preroot = {depth: -1}, ambiguous = {}; function defaultId(d) { @@ -11384,37 +13018,40 @@ function stratify() { parentId = defaultParentId; function stratify(data) { - var d, + var nodes = Array.from(data), + n = nodes.length, + d, i, - n = data.length, root, parent, node, - nodes = new Array(n), nodeId, nodeKey, - nodeByKey = {}; + nodeByKey = new Map; for (i = 0; i < n; ++i) { - d = data[i], node = nodes[i] = new Node(d); + d = nodes[i], node = nodes[i] = new Node$1(d); if ((nodeId = id(d, i, data)) != null && (nodeId += "")) { - nodeKey = keyPrefix$1 + (node.id = nodeId); - nodeByKey[nodeKey] = nodeKey in nodeByKey ? ambiguous : node; + nodeKey = node.id = nodeId; + nodeByKey.set(nodeKey, nodeByKey.has(nodeKey) ? ambiguous : node); + } + if ((nodeId = parentId(d, i, data)) != null && (nodeId += "")) { + node.parent = nodeId; } } for (i = 0; i < n; ++i) { - node = nodes[i], nodeId = parentId(data[i], i, data); - if (nodeId == null || !(nodeId += "")) { - if (root) throw new Error("multiple roots"); - root = node; - } else { - parent = nodeByKey[keyPrefix$1 + nodeId]; + node = nodes[i]; + if (nodeId = node.parent) { + parent = nodeByKey.get(nodeId); if (!parent) throw new Error("missing: " + nodeId); if (parent === ambiguous) throw new Error("ambiguous: " + nodeId); if (parent.children) parent.children.push(node); else parent.children = [node]; node.parent = parent; + } else { + if (root) throw new Error("multiple roots"); + root = node; } } @@ -11438,7 +13075,7 @@ function stratify() { return stratify; } -function defaultSeparation$1(a, b) { +function defaultSeparation(a, b) { return a.parent === b.parent ? 1 : 2; } @@ -11509,7 +13146,7 @@ function TreeNode(node, i) { this.i = i; // number } -TreeNode.prototype = Object.create(Node.prototype); +TreeNode.prototype = Object.create(Node$1.prototype); function treeRoot(root) { var tree = new TreeNode(root, 0), @@ -11536,7 +13173,7 @@ function treeRoot(root) { // Node-link tree diagram using the Reingold-Tilford "tidy" algorithm function tree() { - var separation = defaultSeparation$1, + var separation = defaultSeparation, dx = 1, dy = 1, nodeSize = null; @@ -11751,7 +13388,7 @@ var squarify = (function custom(ratio) { return squarify; })(phi); -function index$3() { +function index() { var tile = squarify, round = false, dx = 1, @@ -11815,7 +13452,7 @@ function index$3() { }; treemap.paddingInner = function(x) { - return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$9(+x), treemap) : paddingInner; + return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$2(+x), treemap) : paddingInner; }; treemap.paddingOuter = function(x) { @@ -11823,19 +13460,19 @@ function index$3() { }; treemap.paddingTop = function(x) { - return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$9(+x), treemap) : paddingTop; + return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$2(+x), treemap) : paddingTop; }; treemap.paddingRight = function(x) { - return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$9(+x), treemap) : paddingRight; + return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$2(+x), treemap) : paddingRight; }; treemap.paddingBottom = function(x) { - return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$9(+x), treemap) : paddingBottom; + return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$2(+x), treemap) : paddingBottom; }; treemap.paddingLeft = function(x) { - return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$9(+x), treemap) : paddingLeft; + return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$2(+x), treemap) : paddingLeft; }; return treemap; @@ -11877,11 +13514,11 @@ function binary(parent, x0, y0, x1, y1) { valueRight = value - valueLeft; if ((x1 - x0) > (y1 - y0)) { - var xk = (x0 * valueRight + x1 * valueLeft) / value; + var xk = value ? (x0 * valueRight + x1 * valueLeft) / value : x1; partition(i, k, valueLeft, x0, y0, xk, y1); partition(k, j, valueRight, xk, y0, x1, y1); } else { - var yk = (y0 * valueRight + y1 * valueLeft) / value; + var yk = value ? (y0 * valueRight + y1 * valueLeft) / value : y1; partition(i, k, valueLeft, x0, y0, x1, yk); partition(k, j, valueRight, x0, yk, x1, y1); } @@ -11908,8 +13545,8 @@ var resquarify = (function custom(ratio) { while (++j < m) { row = rows[j], nodes = row.children; for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value; - if (row.dice) treemapDice(row, x0, y0, x1, y0 += (y1 - y0) * row.value / value); - else treemapSlice(row, x0, y0, x0 += (x1 - x0) * row.value / value, y1); + if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += (y1 - y0) * row.value / value : y1); + else treemapSlice(row, x0, y0, value ? x0 += (x1 - x0) * row.value / value : x1, y1); value -= row.value; } } else { @@ -11925,7 +13562,7 @@ var resquarify = (function custom(ratio) { return resquarify; })(phi); -function area$2(polygon) { +function area$1(polygon) { var i = -1, n = polygon.length, a, @@ -11941,7 +13578,7 @@ function area$2(polygon) { return area / 2; } -function centroid$1(polygon) { +function centroid(polygon) { var i = -1, n = polygon.length, x = 0, @@ -11978,11 +13615,11 @@ function lexicographicOrder(a, b) { // Assumes points.length >= 3, is sorted by x, unique in y. // Returns an array of indices into points in left-to-right order. function computeUpperHullIndexes(points) { - var n = points.length, - indexes = [0, 1], - size = 2; + const n = points.length, + indexes = [0, 1]; + let size = 2, i; - for (var i = 2; i < n; ++i) { + for (i = 2; i < n; ++i) { while (size > 1 && cross$1(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size; indexes[size++] = i; } @@ -12018,7 +13655,7 @@ function hull(points) { return hull; } -function contains$2(polygon, point) { +function contains(polygon, point) { var n = polygon.length, p = polygon[n - 1], x = point[0], y = point[1], @@ -12035,7 +13672,7 @@ function contains$2(polygon, point) { return inside; } -function length$2(polygon) { +function length(polygon) { var i = -1, n = polygon.length, b = polygon[n - 1], @@ -12053,15 +13690,13 @@ function length$2(polygon) { yb = b[1]; xa -= xb; ya -= yb; - perimeter += Math.sqrt(xa * xa + ya * ya); + perimeter += Math.hypot(xa, ya); } return perimeter; } -function defaultSource$1() { - return Math.random(); -} +var defaultSource = Math.random; var uniform = (function sourceRandomUniform(source) { function randomUniform(min, max) { @@ -12077,7 +13712,22 @@ var uniform = (function sourceRandomUniform(source) { randomUniform.source = sourceRandomUniform; return randomUniform; -})(defaultSource$1); +})(defaultSource); + +var int = (function sourceRandomInt(source) { + function randomInt(min, max) { + if (arguments.length < 2) max = min, min = 0; + min = Math.floor(min); + max = Math.floor(max) - min; + return function() { + return Math.floor(source() * max + min); + }; + } + + randomInt.source = sourceRandomInt; + + return randomInt; +})(defaultSource); var normal = (function sourceRandomNormal(source) { function randomNormal(mu, sigma) { @@ -12104,11 +13754,13 @@ var normal = (function sourceRandomNormal(source) { randomNormal.source = sourceRandomNormal; return randomNormal; -})(defaultSource$1); +})(defaultSource); var logNormal = (function sourceRandomLogNormal(source) { + var N = normal.source(source); + function randomLogNormal() { - var randomNormal = normal.source(source).apply(this, arguments); + var randomNormal = N.apply(this, arguments); return function() { return Math.exp(randomNormal()); }; @@ -12117,24 +13769,29 @@ var logNormal = (function sourceRandomLogNormal(source) { randomLogNormal.source = sourceRandomLogNormal; return randomLogNormal; -})(defaultSource$1); +})(defaultSource); var irwinHall = (function sourceRandomIrwinHall(source) { function randomIrwinHall(n) { + if ((n = +n) <= 0) return () => 0; return function() { - for (var sum = 0, i = 0; i < n; ++i) sum += source(); - return sum; + for (var sum = 0, i = n; i > 1; --i) sum += source(); + return sum + i * source(); }; } randomIrwinHall.source = sourceRandomIrwinHall; return randomIrwinHall; -})(defaultSource$1); +})(defaultSource); var bates = (function sourceRandomBates(source) { + var I = irwinHall.source(source); + function randomBates(n) { - var randomIrwinHall = irwinHall.source(source)(n); + // use limiting distribution at n === 0 + if ((n = +n) === 0) return source; + var randomIrwinHall = I(n); return function() { return randomIrwinHall() / n; }; @@ -12143,19 +13800,230 @@ var bates = (function sourceRandomBates(source) { randomBates.source = sourceRandomBates; return randomBates; -})(defaultSource$1); +})(defaultSource); -var exponential$1 = (function sourceRandomExponential(source) { +var exponential = (function sourceRandomExponential(source) { function randomExponential(lambda) { return function() { - return -Math.log(1 - source()) / lambda; + return -Math.log1p(-source()) / lambda; }; } randomExponential.source = sourceRandomExponential; return randomExponential; -})(defaultSource$1); +})(defaultSource); + +var pareto = (function sourceRandomPareto(source) { + function randomPareto(alpha) { + if ((alpha = +alpha) < 0) throw new RangeError("invalid alpha"); + alpha = 1 / -alpha; + return function() { + return Math.pow(1 - source(), alpha); + }; + } + + randomPareto.source = sourceRandomPareto; + + return randomPareto; +})(defaultSource); + +var bernoulli = (function sourceRandomBernoulli(source) { + function randomBernoulli(p) { + if ((p = +p) < 0 || p > 1) throw new RangeError("invalid p"); + return function() { + return Math.floor(source() + p); + }; + } + + randomBernoulli.source = sourceRandomBernoulli; + + return randomBernoulli; +})(defaultSource); + +var geometric = (function sourceRandomGeometric(source) { + function randomGeometric(p) { + if ((p = +p) < 0 || p > 1) throw new RangeError("invalid p"); + if (p === 0) return () => Infinity; + if (p === 1) return () => 1; + p = Math.log1p(-p); + return function() { + return 1 + Math.floor(Math.log1p(-source()) / p); + }; + } + + randomGeometric.source = sourceRandomGeometric; + + return randomGeometric; +})(defaultSource); + +var gamma = (function sourceRandomGamma(source) { + var randomNormal = normal.source(source)(); + + function randomGamma(k, theta) { + if ((k = +k) < 0) throw new RangeError("invalid k"); + // degenerate distribution if k === 0 + if (k === 0) return () => 0; + theta = theta == null ? 1 : +theta; + // exponential distribution if k === 1 + if (k === 1) return () => -Math.log1p(-source()) * theta; + + var d = (k < 1 ? k + 1 : k) - 1 / 3, + c = 1 / (3 * Math.sqrt(d)), + multiplier = k < 1 ? () => Math.pow(source(), 1 / k) : () => 1; + return function() { + do { + do { + var x = randomNormal(), + v = 1 + c * x; + } while (v <= 0); + v *= v * v; + var u = 1 - source(); + } while (u >= 1 - 0.0331 * x * x * x * x && Math.log(u) >= 0.5 * x * x + d * (1 - v + Math.log(v))); + return d * v * multiplier() * theta; + }; + } + + randomGamma.source = sourceRandomGamma; + + return randomGamma; +})(defaultSource); + +var beta = (function sourceRandomBeta(source) { + var G = gamma.source(source); + + function randomBeta(alpha, beta) { + var X = G(alpha), + Y = G(beta); + return function() { + var x = X(); + return x === 0 ? 0 : x / (x + Y()); + }; + } + + randomBeta.source = sourceRandomBeta; + + return randomBeta; +})(defaultSource); + +var binomial = (function sourceRandomBinomial(source) { + var G = geometric.source(source), + B = beta.source(source); + + function randomBinomial(n, p) { + n = +n; + if ((p = +p) >= 1) return () => n; + if (p <= 0) return () => 0; + return function() { + var acc = 0, nn = n, pp = p; + while (nn * pp > 16 && nn * (1 - pp) > 16) { + var i = Math.floor((nn + 1) * pp), + y = B(i, nn - i + 1)(); + if (y <= pp) { + acc += i; + nn -= i; + pp = (pp - y) / (1 - y); + } else { + nn = i - 1; + pp /= y; + } + } + var sign = pp < 0.5, + pFinal = sign ? pp : 1 - pp, + g = G(pFinal); + for (var s = g(), k = 0; s <= nn; ++k) s += g(); + return acc + (sign ? k : nn - k); + }; + } + + randomBinomial.source = sourceRandomBinomial; + + return randomBinomial; +})(defaultSource); + +var weibull = (function sourceRandomWeibull(source) { + function randomWeibull(k, a, b) { + var outerFunc; + if ((k = +k) === 0) { + outerFunc = x => -Math.log(x); + } else { + k = 1 / k; + outerFunc = x => Math.pow(x, k); + } + a = a == null ? 0 : +a; + b = b == null ? 1 : +b; + return function() { + return a + b * outerFunc(-Math.log1p(-source())); + }; + } + + randomWeibull.source = sourceRandomWeibull; + + return randomWeibull; +})(defaultSource); + +var cauchy = (function sourceRandomCauchy(source) { + function randomCauchy(a, b) { + a = a == null ? 0 : +a; + b = b == null ? 1 : +b; + return function() { + return a + b * Math.tan(Math.PI * source()); + }; + } + + randomCauchy.source = sourceRandomCauchy; + + return randomCauchy; +})(defaultSource); + +var logistic = (function sourceRandomLogistic(source) { + function randomLogistic(a, b) { + a = a == null ? 0 : +a; + b = b == null ? 1 : +b; + return function() { + var u = source(); + return a + b * Math.log(u / (1 - u)); + }; + } + + randomLogistic.source = sourceRandomLogistic; + + return randomLogistic; +})(defaultSource); + +var poisson = (function sourceRandomPoisson(source) { + var G = gamma.source(source), + B = binomial.source(source); + + function randomPoisson(lambda) { + return function() { + var acc = 0, l = lambda; + while (l > 16) { + var n = Math.floor(0.875 * l), + t = G(n)(); + if (t > l) return acc + B(n - 1, l / t)(); + acc += n; + l -= t; + } + for (var s = -Math.log1p(-source()), k = 0; s <= l; ++k) s -= Math.log1p(-source()); + return acc + k; + }; + } + + randomPoisson.source = sourceRandomPoisson; + + return randomPoisson; +})(defaultSource); + +// https://en.wikipedia.org/wiki/Linear_congruential_generator#Parameters_in_common_use +const mul = 0x19660D; +const inc = 0x3C6EF35F; +const eps = 1 / 0x100000000; + +function lcg(seed = Math.random()) { + let state = (0 <= seed && seed < 1 ? seed / eps : Math.abs(seed)) | 0; + return () => (state = mul * state + inc | 0, eps * (state >>> 0)); +} function initRange(domain, range) { switch (arguments.length) { @@ -12169,21 +14037,25 @@ function initRange(domain, range) { function initInterpolator(domain, interpolator) { switch (arguments.length) { case 0: break; - case 1: this.interpolator(domain); break; - default: this.interpolator(interpolator).domain(domain); break; + case 1: { + if (typeof domain === "function") this.interpolator(domain); + else this.range(domain); + break; + } + default: { + this.domain(domain); + if (typeof interpolator === "function") this.interpolator(interpolator); + else this.range(interpolator); + break; + } } return this; } -var array$3 = Array.prototype; - -var map$3 = array$3.map; -var slice$5 = array$3.slice; - -var implicit = {name: "implicit"}; +const implicit = Symbol("implicit"); function ordinal() { - var index = map$1(), + var index = new Map(), domain = [], range = [], unknown = implicit; @@ -12199,14 +14071,17 @@ function ordinal() { scale.domain = function(_) { if (!arguments.length) return domain.slice(); - domain = [], index = map$1(); - var i = -1, n = _.length, d, key; - while (++i < n) if (!index.has(key = (d = _[i]) + "")) index.set(key, domain.push(d)); + domain = [], index = new Map(); + for (const value of _) { + const key = value + ""; + if (index.has(key)) continue; + index.set(key, domain.push(value)); + } return scale; }; scale.range = function(_) { - return arguments.length ? (range = slice$5.call(_), scale) : range.slice(); + return arguments.length ? (range = Array.from(_), scale) : range.slice(); }; scale.unknown = function(_) { @@ -12226,7 +14101,8 @@ function band() { var scale = ordinal().unknown(undefined), domain = scale.domain, ordinalRange = scale.range, - range = [0, 1], + r0 = 0, + r1 = 1, step, bandwidth, round = false, @@ -12238,9 +14114,9 @@ function band() { function rescale() { var n = domain().length, - reverse = range[1] < range[0], - start = range[reverse - 0], - stop = range[1 - reverse]; + reverse = r1 < r0, + start = reverse ? r1 : r0, + stop = reverse ? r0 : r1; step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); if (round) step = Math.floor(step); start += (stop - start - step * (n - paddingInner)) * align; @@ -12255,11 +14131,11 @@ function band() { }; scale.range = function(_) { - return arguments.length ? (range = [+_[0], +_[1]], rescale()) : range.slice(); + return arguments.length ? ([r0, r1] = _, r0 = +r0, r1 = +r1, rescale()) : [r0, r1]; }; scale.rangeRound = function(_) { - return range = [+_[0], +_[1]], round = true, rescale(); + return [r0, r1] = _, r0 = +r0, r1 = +r1, round = true, rescale(); }; scale.bandwidth = function() { @@ -12291,7 +14167,7 @@ function band() { }; scale.copy = function() { - return band(domain(), range) + return band(domain(), [r0, r1]) .round(round) .paddingInner(paddingInner) .paddingOuter(paddingOuter) @@ -12315,34 +14191,34 @@ function pointish(scale) { return scale; } -function point$1() { +function point$4() { return pointish(band.apply(null, arguments).paddingInner(1)); } -function constant$a(x) { +function constants(x) { return function() { return x; }; } -function number$2(x) { +function number$1(x) { return +x; } var unit = [0, 1]; -function identity$6(x) { +function identity$3(x) { return x; } function normalize(a, b) { return (b -= (a = +a)) ? function(x) { return (x - a) / b; } - : constant$a(isNaN(b) ? NaN : 0.5); + : constants(isNaN(b) ? NaN : 0.5); } -function clamper(domain) { - var a = domain[0], b = domain[domain.length - 1], t; +function clamper(a, b) { + var t; if (a > b) t = a, a = b, b = t; return function(x) { return Math.max(a, Math.min(b, x)); }; } @@ -12379,7 +14255,7 @@ function polymap(domain, range, interpolate) { }; } -function copy(source, target) { +function copy$1(source, target) { return target .domain(source.domain()) .range(source.range()) @@ -12388,26 +14264,28 @@ function copy(source, target) { .unknown(source.unknown()); } -function transformer$1() { +function transformer$2() { var domain = unit, range = unit, - interpolate = interpolateValue, + interpolate = interpolate$2, transform, untransform, unknown, - clamp = identity$6, + clamp = identity$3, piecewise, output, input; function rescale() { - piecewise = Math.min(domain.length, range.length) > 2 ? polymap : bimap; + var n = Math.min(domain.length, range.length); + if (clamp !== identity$3) clamp = clamper(domain[0], domain[n - 1]); + piecewise = n > 2 ? polymap : bimap; output = input = null; return scale; } function scale(x) { - return isNaN(x = +x) ? unknown : (output || (output = piecewise(domain.map(transform), range, interpolate)))(transform(clamp(x))); + return x == null || isNaN(x = +x) ? unknown : (output || (output = piecewise(domain.map(transform), range, interpolate)))(transform(clamp(x))); } scale.invert = function(y) { @@ -12415,19 +14293,19 @@ function transformer$1() { }; scale.domain = function(_) { - return arguments.length ? (domain = map$3.call(_, number$2), clamp === identity$6 || (clamp = clamper(domain)), rescale()) : domain.slice(); + return arguments.length ? (domain = Array.from(_, number$1), rescale()) : domain.slice(); }; scale.range = function(_) { - return arguments.length ? (range = slice$5.call(_), rescale()) : range.slice(); + return arguments.length ? (range = Array.from(_), rescale()) : range.slice(); }; scale.rangeRound = function(_) { - return range = slice$5.call(_), interpolate = interpolateRound, rescale(); + return range = Array.from(_), interpolate = interpolateRound, rescale(); }; scale.clamp = function(_) { - return arguments.length ? (clamp = _ ? clamper(domain) : identity$6, scale) : clamp !== identity$6; + return arguments.length ? (clamp = _ ? true : identity$3, rescale()) : clamp !== identity$3; }; scale.interpolate = function(_) { @@ -12444,8 +14322,8 @@ function transformer$1() { }; } -function continuous(transform, untransform) { - return transformer$1()(transform, untransform); +function continuous() { + return transformer$2()(identity$3, identity$3); } function tickFormat(start, stop, count, specifier) { @@ -12491,38 +14369,36 @@ function linearish(scale) { scale.nice = function(count) { if (count == null) count = 10; - var d = domain(), - i0 = 0, - i1 = d.length - 1, - start = d[i0], - stop = d[i1], - step; + var d = domain(); + var i0 = 0; + var i1 = d.length - 1; + var start = d[i0]; + var stop = d[i1]; + var prestep; + var step; + var maxIter = 10; if (stop < start) { step = start, start = stop, stop = step; step = i0, i0 = i1, i1 = step; } - - step = tickIncrement(start, stop, count); - - if (step > 0) { - start = Math.floor(start / step) * step; - stop = Math.ceil(stop / step) * step; + + while (maxIter-- > 0) { step = tickIncrement(start, stop, count); - } else if (step < 0) { - start = Math.ceil(start * step) / step; - stop = Math.floor(stop * step) / step; - step = tickIncrement(start, stop, count); - } - - if (step > 0) { - d[i0] = Math.floor(start / step) * step; - d[i1] = Math.ceil(stop / step) * step; - domain(d); - } else if (step < 0) { - d[i0] = Math.ceil(start * step) / step; - d[i1] = Math.floor(stop * step) / step; - domain(d); + if (step === prestep) { + d[i0] = start; + d[i1] = stop; + return domain(d); + } else if (step > 0) { + start = Math.floor(start / step) * step; + stop = Math.ceil(stop / step) * step; + } else if (step < 0) { + start = Math.ceil(start * step) / step; + stop = Math.floor(stop * step) / step; + } else { + break; + } + prestep = step; } return scale; @@ -12531,11 +14407,11 @@ function linearish(scale) { return scale; } -function linear$2() { - var scale = continuous(identity$6, identity$6); +function linear() { + var scale = continuous(); scale.copy = function() { - return copy(scale, linear$2()); + return copy$1(scale, linear()); }; initRange.apply(scale, arguments); @@ -12543,17 +14419,17 @@ function linear$2() { return linearish(scale); } -function identity$7(domain) { +function identity$2(domain) { var unknown; function scale(x) { - return isNaN(x = +x) ? unknown : x; + return x == null || isNaN(x = +x) ? unknown : x; } scale.invert = scale; scale.domain = scale.range = function(_) { - return arguments.length ? (domain = map$3.call(_, number$2), scale) : domain.slice(); + return arguments.length ? (domain = Array.from(_, number$1), scale) : domain.slice(); }; scale.unknown = function(_) { @@ -12561,10 +14437,10 @@ function identity$7(domain) { }; scale.copy = function() { - return identity$7(domain).unknown(unknown); + return identity$2(domain).unknown(unknown); }; - domain = arguments.length ? map$3.call(domain, number$2) : [0, 1]; + domain = arguments.length ? Array.from(domain, number$1) : [0, 1]; return linearish(scale); } @@ -12670,15 +14546,15 @@ function loggish(transform) { z = []; if (!(base % 1) && j - i < n) { - i = Math.round(i) - 1, j = Math.round(j) + 1; - if (u > 0) for (; i < j; ++i) { + i = Math.floor(i), j = Math.ceil(j); + if (u > 0) for (; i <= j; ++i) { for (k = 1, p = pows(i); k < base; ++k) { t = p * k; if (t < u) continue; if (t > v) break; z.push(t); } - } else for (; i < j; ++i) { + } else for (; i <= j; ++i) { for (k = base - 1, p = pows(i); k >= 1; --k) { t = p * k; if (t < u) continue; @@ -12686,6 +14562,7 @@ function loggish(transform) { z.push(t); } } + if (z.length * 2 < n) z = ticks(u, v, n); } else { z = ticks(i, j, Math.min(j - i, n)).map(pows); } @@ -12716,11 +14593,11 @@ function loggish(transform) { return scale; } -function log$1() { - var scale = loggish(transformer$1()).domain([1, 10]); +function log() { + var scale = loggish(transformer$2()).domain([1, 10]); scale.copy = function() { - return copy(scale, log$1()).base(scale.base()); + return copy$1(scale, log()).base(scale.base()); }; initRange.apply(scale, arguments); @@ -12741,2870 +14618,2400 @@ function transformSymexp(c) { } function symlogish(transform) { - var c = 1, scale = transform(transformSymlog(c), transformSymexp(c)); - - scale.constant = function(_) { - return arguments.length ? transform(transformSymlog(c = +_), transformSymexp(c)) : c; - }; - - return linearish(scale); -} - -function symlog() { - var scale = symlogish(transformer$1()); - - scale.copy = function() { - return copy(scale, symlog()).constant(scale.constant()); - }; - - return initRange.apply(scale, arguments); -} - -function transformPow(exponent) { - return function(x) { - return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); - }; -} - -function transformSqrt(x) { - return x < 0 ? -Math.sqrt(-x) : Math.sqrt(x); -} - -function transformSquare(x) { - return x < 0 ? -x * x : x * x; -} - -function powish(transform) { - var scale = transform(identity$6, identity$6), - exponent = 1; - - function rescale() { - return exponent === 1 ? transform(identity$6, identity$6) - : exponent === 0.5 ? transform(transformSqrt, transformSquare) - : transform(transformPow(exponent), transformPow(1 / exponent)); - } - - scale.exponent = function(_) { - return arguments.length ? (exponent = +_, rescale()) : exponent; - }; - - return linearish(scale); -} - -function pow$1() { - var scale = powish(transformer$1()); - - scale.copy = function() { - return copy(scale, pow$1()).exponent(scale.exponent()); - }; - - initRange.apply(scale, arguments); - - return scale; -} - -function sqrt$1() { - return pow$1.apply(null, arguments).exponent(0.5); -} - -function quantile() { - var domain = [], - range = [], - thresholds = [], - unknown; - - function rescale() { - var i = 0, n = Math.max(1, range.length); - thresholds = new Array(n - 1); - while (++i < n) thresholds[i - 1] = threshold(domain, i / n); - return scale; - } - - function scale(x) { - return isNaN(x = +x) ? unknown : range[bisectRight(thresholds, x)]; - } - - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return i < 0 ? [NaN, NaN] : [ - i > 0 ? thresholds[i - 1] : domain[0], - i < thresholds.length ? thresholds[i] : domain[domain.length - 1] - ]; - }; - - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = []; - for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); - domain.sort(ascending); - return rescale(); - }; - - scale.range = function(_) { - return arguments.length ? (range = slice$5.call(_), rescale()) : range.slice(); - }; - - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; - - scale.quantiles = function() { - return thresholds.slice(); - }; - - scale.copy = function() { - return quantile() - .domain(domain) - .range(range) - .unknown(unknown); - }; - - return initRange.apply(scale, arguments); -} - -function quantize$1() { - var x0 = 0, - x1 = 1, - n = 1, - domain = [0.5], - range = [0, 1], - unknown; - - function scale(x) { - return x <= x ? range[bisectRight(domain, x, 0, n)] : unknown; - } - - function rescale() { - var i = -1; - domain = new Array(n); - while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1); - return scale; - } - - scale.domain = function(_) { - return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1]; - }; - - scale.range = function(_) { - return arguments.length ? (n = (range = slice$5.call(_)).length - 1, rescale()) : range.slice(); - }; - - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return i < 0 ? [NaN, NaN] - : i < 1 ? [x0, domain[0]] - : i >= n ? [domain[n - 1], x1] - : [domain[i - 1], domain[i]]; - }; - - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : scale; - }; - - scale.thresholds = function() { - return domain.slice(); - }; - - scale.copy = function() { - return quantize$1() - .domain([x0, x1]) - .range(range) - .unknown(unknown); - }; - - return initRange.apply(linearish(scale), arguments); -} - -function threshold$1() { - var domain = [0.5], - range = [0, 1], - unknown, - n = 1; - - function scale(x) { - return x <= x ? range[bisectRight(domain, x, 0, n)] : unknown; - } - - scale.domain = function(_) { - return arguments.length ? (domain = slice$5.call(_), n = Math.min(domain.length, range.length - 1), scale) : domain.slice(); - }; - - scale.range = function(_) { - return arguments.length ? (range = slice$5.call(_), n = Math.min(domain.length, range.length - 1), scale) : range.slice(); - }; - - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return [domain[i - 1], domain[i]]; - }; - - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; - - scale.copy = function() { - return threshold$1() - .domain(domain) - .range(range) - .unknown(unknown); - }; - - return initRange.apply(scale, arguments); -} - -var t0$1 = new Date, - t1$1 = new Date; - -function newInterval(floori, offseti, count, field) { - - function interval(date) { - return floori(date = arguments.length === 0 ? new Date : new Date(+date)), date; - } - - interval.floor = function(date) { - return floori(date = new Date(+date)), date; - }; - - interval.ceil = function(date) { - return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; - }; - - interval.round = function(date) { - var d0 = interval(date), - d1 = interval.ceil(date); - return date - d0 < d1 - date ? d0 : d1; - }; - - interval.offset = function(date, step) { - return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; - }; - - interval.range = function(start, stop, step) { - var range = [], previous; - start = interval.ceil(start); - step = step == null ? 1 : Math.floor(step); - if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date - do range.push(previous = new Date(+start)), offseti(start, step), floori(start); - while (previous < start && start < stop); - return range; - }; - - interval.filter = function(test) { - return newInterval(function(date) { - if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1); - }, function(date, step) { - if (date >= date) { - if (step < 0) while (++step <= 0) { - while (offseti(date, -1), !test(date)) {} // eslint-disable-line no-empty - } else while (--step >= 0) { - while (offseti(date, +1), !test(date)) {} // eslint-disable-line no-empty - } - } - }); - }; - - if (count) { - interval.count = function(start, end) { - t0$1.setTime(+start), t1$1.setTime(+end); - floori(t0$1), floori(t1$1); - return Math.floor(count(t0$1, t1$1)); - }; - - interval.every = function(step) { - step = Math.floor(step); - return !isFinite(step) || !(step > 0) ? null - : !(step > 1) ? interval - : interval.filter(field - ? function(d) { return field(d) % step === 0; } - : function(d) { return interval.count(0, d) % step === 0; }); - }; - } - - return interval; -} - -var millisecond = newInterval(function() { - // noop -}, function(date, step) { - date.setTime(+date + step); -}, function(start, end) { - return end - start; -}); - -// An optimized implementation for this simple case. -millisecond.every = function(k) { - k = Math.floor(k); - if (!isFinite(k) || !(k > 0)) return null; - if (!(k > 1)) return millisecond; - return newInterval(function(date) { - date.setTime(Math.floor(date / k) * k); - }, function(date, step) { - date.setTime(+date + step * k); - }, function(start, end) { - return (end - start) / k; - }); -}; -var milliseconds = millisecond.range; - -var durationSecond = 1e3; -var durationMinute = 6e4; -var durationHour = 36e5; -var durationDay = 864e5; -var durationWeek = 6048e5; - -var second = newInterval(function(date) { - date.setTime(date - date.getMilliseconds()); -}, function(date, step) { - date.setTime(+date + step * durationSecond); -}, function(start, end) { - return (end - start) / durationSecond; -}, function(date) { - return date.getUTCSeconds(); -}); -var seconds = second.range; - -var minute = newInterval(function(date) { - date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond); -}, function(date, step) { - date.setTime(+date + step * durationMinute); -}, function(start, end) { - return (end - start) / durationMinute; -}, function(date) { - return date.getMinutes(); -}); -var minutes = minute.range; - -var hour = newInterval(function(date) { - date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond - date.getMinutes() * durationMinute); -}, function(date, step) { - date.setTime(+date + step * durationHour); -}, function(start, end) { - return (end - start) / durationHour; -}, function(date) { - return date.getHours(); -}); -var hours = hour.range; - -var day = newInterval(function(date) { - date.setHours(0, 0, 0, 0); -}, function(date, step) { - date.setDate(date.getDate() + step); -}, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay; -}, function(date) { - return date.getDate() - 1; -}); -var days = day.range; - -function weekday(i) { - return newInterval(function(date) { - date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setDate(date.getDate() + step * 7); - }, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; - }); -} - -var sunday = weekday(0); -var monday = weekday(1); -var tuesday = weekday(2); -var wednesday = weekday(3); -var thursday = weekday(4); -var friday = weekday(5); -var saturday = weekday(6); - -var sundays = sunday.range; -var mondays = monday.range; -var tuesdays = tuesday.range; -var wednesdays = wednesday.range; -var thursdays = thursday.range; -var fridays = friday.range; -var saturdays = saturday.range; - -var month = newInterval(function(date) { - date.setDate(1); - date.setHours(0, 0, 0, 0); -}, function(date, step) { - date.setMonth(date.getMonth() + step); -}, function(start, end) { - return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; -}, function(date) { - return date.getMonth(); -}); -var months = month.range; - -var year = newInterval(function(date) { - date.setMonth(0, 1); - date.setHours(0, 0, 0, 0); -}, function(date, step) { - date.setFullYear(date.getFullYear() + step); -}, function(start, end) { - return end.getFullYear() - start.getFullYear(); -}, function(date) { - return date.getFullYear(); -}); - -// An optimized implementation for this simple case. -year.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { - date.setFullYear(Math.floor(date.getFullYear() / k) * k); - date.setMonth(0, 1); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setFullYear(date.getFullYear() + step * k); - }); -}; -var years = year.range; - -var utcMinute = newInterval(function(date) { - date.setUTCSeconds(0, 0); -}, function(date, step) { - date.setTime(+date + step * durationMinute); -}, function(start, end) { - return (end - start) / durationMinute; -}, function(date) { - return date.getUTCMinutes(); -}); -var utcMinutes = utcMinute.range; - -var utcHour = newInterval(function(date) { - date.setUTCMinutes(0, 0, 0); -}, function(date, step) { - date.setTime(+date + step * durationHour); -}, function(start, end) { - return (end - start) / durationHour; -}, function(date) { - return date.getUTCHours(); -}); -var utcHours = utcHour.range; - -var utcDay = newInterval(function(date) { - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCDate(date.getUTCDate() + step); -}, function(start, end) { - return (end - start) / durationDay; -}, function(date) { - return date.getUTCDate() - 1; -}); -var utcDays = utcDay.range; - -function utcWeekday(i) { - return newInterval(function(date) { - date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCDate(date.getUTCDate() + step * 7); - }, function(start, end) { - return (end - start) / durationWeek; - }); -} - -var utcSunday = utcWeekday(0); -var utcMonday = utcWeekday(1); -var utcTuesday = utcWeekday(2); -var utcWednesday = utcWeekday(3); -var utcThursday = utcWeekday(4); -var utcFriday = utcWeekday(5); -var utcSaturday = utcWeekday(6); - -var utcSundays = utcSunday.range; -var utcMondays = utcMonday.range; -var utcTuesdays = utcTuesday.range; -var utcWednesdays = utcWednesday.range; -var utcThursdays = utcThursday.range; -var utcFridays = utcFriday.range; -var utcSaturdays = utcSaturday.range; - -var utcMonth = newInterval(function(date) { - date.setUTCDate(1); - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCMonth(date.getUTCMonth() + step); -}, function(start, end) { - return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; -}, function(date) { - return date.getUTCMonth(); -}); -var utcMonths = utcMonth.range; - -var utcYear = newInterval(function(date) { - date.setUTCMonth(0, 1); - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCFullYear(date.getUTCFullYear() + step); -}, function(start, end) { - return end.getUTCFullYear() - start.getUTCFullYear(); -}, function(date) { - return date.getUTCFullYear(); -}); - -// An optimized implementation for this simple case. -utcYear.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { - date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); - date.setUTCMonth(0, 1); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCFullYear(date.getUTCFullYear() + step * k); - }); -}; -var utcYears = utcYear.range; - -function localDate(d) { - if (0 <= d.y && d.y < 100) { - var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); - date.setFullYear(d.y); - return date; - } - return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L); -} - -function utcDate(d) { - if (0 <= d.y && d.y < 100) { - var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L)); - date.setUTCFullYear(d.y); - return date; - } - return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); -} - -function newDate(y, m, d) { - return {y: y, m: m, d: d, H: 0, M: 0, S: 0, L: 0}; -} - -function formatLocale$1(locale) { - var locale_dateTime = locale.dateTime, - locale_date = locale.date, - locale_time = locale.time, - locale_periods = locale.periods, - locale_weekdays = locale.days, - locale_shortWeekdays = locale.shortDays, - locale_months = locale.months, - locale_shortMonths = locale.shortMonths; - - var periodRe = formatRe(locale_periods), - periodLookup = formatLookup(locale_periods), - weekdayRe = formatRe(locale_weekdays), - weekdayLookup = formatLookup(locale_weekdays), - shortWeekdayRe = formatRe(locale_shortWeekdays), - shortWeekdayLookup = formatLookup(locale_shortWeekdays), - monthRe = formatRe(locale_months), - monthLookup = formatLookup(locale_months), - shortMonthRe = formatRe(locale_shortMonths), - shortMonthLookup = formatLookup(locale_shortMonths); - - var formats = { - "a": formatShortWeekday, - "A": formatWeekday, - "b": formatShortMonth, - "B": formatMonth, - "c": null, - "d": formatDayOfMonth, - "e": formatDayOfMonth, - "f": formatMicroseconds, - "H": formatHour24, - "I": formatHour12, - "j": formatDayOfYear, - "L": formatMilliseconds, - "m": formatMonthNumber, - "M": formatMinutes, - "p": formatPeriod, - "q": formatQuarter, - "Q": formatUnixTimestamp, - "s": formatUnixTimestampSeconds, - "S": formatSeconds, - "u": formatWeekdayNumberMonday, - "U": formatWeekNumberSunday, - "V": formatWeekNumberISO, - "w": formatWeekdayNumberSunday, - "W": formatWeekNumberMonday, - "x": null, - "X": null, - "y": formatYear$1, - "Y": formatFullYear, - "Z": formatZone, - "%": formatLiteralPercent - }; - - var utcFormats = { - "a": formatUTCShortWeekday, - "A": formatUTCWeekday, - "b": formatUTCShortMonth, - "B": formatUTCMonth, - "c": null, - "d": formatUTCDayOfMonth, - "e": formatUTCDayOfMonth, - "f": formatUTCMicroseconds, - "H": formatUTCHour24, - "I": formatUTCHour12, - "j": formatUTCDayOfYear, - "L": formatUTCMilliseconds, - "m": formatUTCMonthNumber, - "M": formatUTCMinutes, - "p": formatUTCPeriod, - "q": formatUTCQuarter, - "Q": formatUnixTimestamp, - "s": formatUnixTimestampSeconds, - "S": formatUTCSeconds, - "u": formatUTCWeekdayNumberMonday, - "U": formatUTCWeekNumberSunday, - "V": formatUTCWeekNumberISO, - "w": formatUTCWeekdayNumberSunday, - "W": formatUTCWeekNumberMonday, - "x": null, - "X": null, - "y": formatUTCYear, - "Y": formatUTCFullYear, - "Z": formatUTCZone, - "%": formatLiteralPercent + var c = 1, scale = transform(transformSymlog(c), transformSymexp(c)); + + scale.constant = function(_) { + return arguments.length ? transform(transformSymlog(c = +_), transformSymexp(c)) : c; }; - var parses = { - "a": parseShortWeekday, - "A": parseWeekday, - "b": parseShortMonth, - "B": parseMonth, - "c": parseLocaleDateTime, - "d": parseDayOfMonth, - "e": parseDayOfMonth, - "f": parseMicroseconds, - "H": parseHour24, - "I": parseHour24, - "j": parseDayOfYear, - "L": parseMilliseconds, - "m": parseMonthNumber, - "M": parseMinutes, - "p": parsePeriod, - "q": parseQuarter, - "Q": parseUnixTimestamp, - "s": parseUnixTimestampSeconds, - "S": parseSeconds, - "u": parseWeekdayNumberMonday, - "U": parseWeekNumberSunday, - "V": parseWeekNumberISO, - "w": parseWeekdayNumberSunday, - "W": parseWeekNumberMonday, - "x": parseLocaleDate, - "X": parseLocaleTime, - "y": parseYear, - "Y": parseFullYear, - "Z": parseZone, - "%": parseLiteralPercent + return linearish(scale); +} + +function symlog() { + var scale = symlogish(transformer$2()); + + scale.copy = function() { + return copy$1(scale, symlog()).constant(scale.constant()); }; - // These recursive directive definitions must be deferred. - formats.x = newFormat(locale_date, formats); - formats.X = newFormat(locale_time, formats); - formats.c = newFormat(locale_dateTime, formats); - utcFormats.x = newFormat(locale_date, utcFormats); - utcFormats.X = newFormat(locale_time, utcFormats); - utcFormats.c = newFormat(locale_dateTime, utcFormats); + return initRange.apply(scale, arguments); +} - function newFormat(specifier, formats) { - return function(date) { - var string = [], - i = -1, - j = 0, - n = specifier.length, - c, - pad, - format; +function transformPow(exponent) { + return function(x) { + return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); + }; +} - if (!(date instanceof Date)) date = new Date(+date); +function transformSqrt(x) { + return x < 0 ? -Math.sqrt(-x) : Math.sqrt(x); +} - while (++i < n) { - if (specifier.charCodeAt(i) === 37) { - string.push(specifier.slice(j, i)); - if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i); - else pad = c === "e" ? " " : "0"; - if (format = formats[c]) c = format(date, pad); - string.push(c); - j = i + 1; - } - } +function transformSquare(x) { + return x < 0 ? -x * x : x * x; +} - string.push(specifier.slice(j, i)); - return string.join(""); - }; +function powish(transform) { + var scale = transform(identity$3, identity$3), + exponent = 1; + + function rescale() { + return exponent === 1 ? transform(identity$3, identity$3) + : exponent === 0.5 ? transform(transformSqrt, transformSquare) + : transform(transformPow(exponent), transformPow(1 / exponent)); } - function newParse(specifier, Z) { - return function(string) { - var d = newDate(1900, undefined, 1), - i = parseSpecifier(d, specifier, string += "", 0), - week, day$1; - if (i != string.length) return null; + scale.exponent = function(_) { + return arguments.length ? (exponent = +_, rescale()) : exponent; + }; - // If a UNIX timestamp is specified, return it. - if ("Q" in d) return new Date(d.Q); - if ("s" in d) return new Date(d.s * 1000 + ("L" in d ? d.L : 0)); + return linearish(scale); +} - // If this is utcParse, never use the local timezone. - if (Z && !("Z" in d)) d.Z = 0; +function pow() { + var scale = powish(transformer$2()); - // The am-pm flag is 0 for AM, and 1 for PM. - if ("p" in d) d.H = d.H % 12 + d.p * 12; + scale.copy = function() { + return copy$1(scale, pow()).exponent(scale.exponent()); + }; - // If the month was not specified, inherit from the quarter. - if (d.m === undefined) d.m = "q" in d ? d.q : 0; + initRange.apply(scale, arguments); - // Convert day-of-week and week-of-year to day-of-year. - if ("V" in d) { - if (d.V < 1 || d.V > 53) return null; - if (!("w" in d)) d.w = 1; - if ("Z" in d) { - week = utcDate(newDate(d.y, 0, 1)), day$1 = week.getUTCDay(); - week = day$1 > 4 || day$1 === 0 ? utcMonday.ceil(week) : utcMonday(week); - week = utcDay.offset(week, (d.V - 1) * 7); - d.y = week.getUTCFullYear(); - d.m = week.getUTCMonth(); - d.d = week.getUTCDate() + (d.w + 6) % 7; - } else { - week = localDate(newDate(d.y, 0, 1)), day$1 = week.getDay(); - week = day$1 > 4 || day$1 === 0 ? monday.ceil(week) : monday(week); - week = day.offset(week, (d.V - 1) * 7); - d.y = week.getFullYear(); - d.m = week.getMonth(); - d.d = week.getDate() + (d.w + 6) % 7; - } - } else if ("W" in d || "U" in d) { - if (!("w" in d)) d.w = "u" in d ? d.u % 7 : "W" in d ? 1 : 0; - day$1 = "Z" in d ? utcDate(newDate(d.y, 0, 1)).getUTCDay() : localDate(newDate(d.y, 0, 1)).getDay(); - d.m = 0; - d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$1 + 5) % 7 : d.w + d.U * 7 - (day$1 + 6) % 7; - } + return scale; +} - // If a time zone is specified, all fields are interpreted as UTC and then - // offset according to the specified time zone. - if ("Z" in d) { - d.H += d.Z / 100 | 0; - d.M += d.Z % 100; - return utcDate(d); - } +function sqrt$1() { + return pow.apply(null, arguments).exponent(0.5); +} - // Otherwise, all fields are in local time. - return localDate(d); - }; - } +function square$1(x) { + return Math.sign(x) * x * x; +} - function parseSpecifier(d, specifier, string, j) { - var i = 0, - n = specifier.length, - m = string.length, - c, - parse; +function unsquare(x) { + return Math.sign(x) * Math.sqrt(Math.abs(x)); +} - while (i < n) { - if (j >= m) return -1; - c = specifier.charCodeAt(i++); - if (c === 37) { - c = specifier.charAt(i++); - parse = parses[c in pads ? specifier.charAt(i++) : c]; - if (!parse || ((j = parse(d, string, j)) < 0)) return -1; - } else if (c != string.charCodeAt(j++)) { - return -1; - } - } +function radial() { + var squared = continuous(), + range = [0, 1], + round = false, + unknown; - return j; + function scale(x) { + var y = unsquare(squared(x)); + return isNaN(y) ? unknown : round ? Math.round(y) : y; } - function parsePeriod(d, string, i) { - var n = periodRe.exec(string.slice(i)); - return n ? (d.p = periodLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + scale.invert = function(y) { + return squared.invert(square$1(y)); + }; - function parseShortWeekday(d, string, i) { - var n = shortWeekdayRe.exec(string.slice(i)); - return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + scale.domain = function(_) { + return arguments.length ? (squared.domain(_), scale) : squared.domain(); + }; - function parseWeekday(d, string, i) { - var n = weekdayRe.exec(string.slice(i)); - return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + scale.range = function(_) { + return arguments.length ? (squared.range((range = Array.from(_, number$1)).map(square$1)), scale) : range.slice(); + }; - function parseShortMonth(d, string, i) { - var n = shortMonthRe.exec(string.slice(i)); - return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + scale.rangeRound = function(_) { + return scale.range(_).round(true); + }; - function parseMonth(d, string, i) { - var n = monthRe.exec(string.slice(i)); - return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } + scale.round = function(_) { + return arguments.length ? (round = !!_, scale) : round; + }; - function parseLocaleDateTime(d, string, i) { - return parseSpecifier(d, locale_dateTime, string, i); - } + scale.clamp = function(_) { + return arguments.length ? (squared.clamp(_), scale) : squared.clamp(); + }; - function parseLocaleDate(d, string, i) { - return parseSpecifier(d, locale_date, string, i); - } + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; - function parseLocaleTime(d, string, i) { - return parseSpecifier(d, locale_time, string, i); - } + scale.copy = function() { + return radial(squared.domain(), range) + .round(round) + .clamp(squared.clamp()) + .unknown(unknown); + }; - function formatShortWeekday(d) { - return locale_shortWeekdays[d.getDay()]; - } + initRange.apply(scale, arguments); - function formatWeekday(d) { - return locale_weekdays[d.getDay()]; - } + return linearish(scale); +} - function formatShortMonth(d) { - return locale_shortMonths[d.getMonth()]; +function quantile() { + var domain = [], + range = [], + thresholds = [], + unknown; + + function rescale() { + var i = 0, n = Math.max(1, range.length); + thresholds = new Array(n - 1); + while (++i < n) thresholds[i - 1] = quantileSorted(domain, i / n); + return scale; } - function formatMonth(d) { - return locale_months[d.getMonth()]; + function scale(x) { + return x == null || isNaN(x = +x) ? unknown : range[bisectRight(thresholds, x)]; } - function formatPeriod(d) { - return locale_periods[+(d.getHours() >= 12)]; - } + scale.invertExtent = function(y) { + var i = range.indexOf(y); + return i < 0 ? [NaN, NaN] : [ + i > 0 ? thresholds[i - 1] : domain[0], + i < thresholds.length ? thresholds[i] : domain[domain.length - 1] + ]; + }; + + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = []; + for (let d of _) if (d != null && !isNaN(d = +d)) domain.push(d); + domain.sort(ascending$3); + return rescale(); + }; + + scale.range = function(_) { + return arguments.length ? (range = Array.from(_), rescale()) : range.slice(); + }; - function formatQuarter(d) { - return 1 + ~~(d.getMonth() / 3); - } + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; - function formatUTCShortWeekday(d) { - return locale_shortWeekdays[d.getUTCDay()]; - } + scale.quantiles = function() { + return thresholds.slice(); + }; - function formatUTCWeekday(d) { - return locale_weekdays[d.getUTCDay()]; - } + scale.copy = function() { + return quantile() + .domain(domain) + .range(range) + .unknown(unknown); + }; - function formatUTCShortMonth(d) { - return locale_shortMonths[d.getUTCMonth()]; - } + return initRange.apply(scale, arguments); +} - function formatUTCMonth(d) { - return locale_months[d.getUTCMonth()]; - } +function quantize() { + var x0 = 0, + x1 = 1, + n = 1, + domain = [0.5], + range = [0, 1], + unknown; - function formatUTCPeriod(d) { - return locale_periods[+(d.getUTCHours() >= 12)]; + function scale(x) { + return x != null && x <= x ? range[bisectRight(domain, x, 0, n)] : unknown; } - function formatUTCQuarter(d) { - return 1 + ~~(d.getUTCMonth() / 3); + function rescale() { + var i = -1; + domain = new Array(n); + while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1); + return scale; } - return { - format: function(specifier) { - var f = newFormat(specifier += "", formats); - f.toString = function() { return specifier; }; - return f; - }, - parse: function(specifier) { - var p = newParse(specifier += "", false); - p.toString = function() { return specifier; }; - return p; - }, - utcFormat: function(specifier) { - var f = newFormat(specifier += "", utcFormats); - f.toString = function() { return specifier; }; - return f; - }, - utcParse: function(specifier) { - var p = newParse(specifier += "", true); - p.toString = function() { return specifier; }; - return p; - } + scale.domain = function(_) { + return arguments.length ? ([x0, x1] = _, x0 = +x0, x1 = +x1, rescale()) : [x0, x1]; }; -} - -var pads = {"-": "", "_": " ", "0": "0"}, - numberRe = /^\s*\d+/, // note: ignores next directive - percentRe = /^%/, - requoteRe = /[\\^$*+?|[\]().{}]/g; - -function pad$1(value, fill, width) { - var sign = value < 0 ? "-" : "", - string = (sign ? -value : value) + "", - length = string.length; - return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); -} -function requote(s) { - return s.replace(requoteRe, "\\$&"); -} + scale.range = function(_) { + return arguments.length ? (n = (range = Array.from(_)).length - 1, rescale()) : range.slice(); + }; -function formatRe(names) { - return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i"); -} + scale.invertExtent = function(y) { + var i = range.indexOf(y); + return i < 0 ? [NaN, NaN] + : i < 1 ? [x0, domain[0]] + : i >= n ? [domain[n - 1], x1] + : [domain[i - 1], domain[i]]; + }; -function formatLookup(names) { - var map = {}, i = -1, n = names.length; - while (++i < n) map[names[i].toLowerCase()] = i; - return map; -} + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : scale; + }; -function parseWeekdayNumberSunday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 1)); - return n ? (d.w = +n[0], i + n[0].length) : -1; -} + scale.thresholds = function() { + return domain.slice(); + }; -function parseWeekdayNumberMonday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 1)); - return n ? (d.u = +n[0], i + n[0].length) : -1; -} + scale.copy = function() { + return quantize() + .domain([x0, x1]) + .range(range) + .unknown(unknown); + }; -function parseWeekNumberSunday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.U = +n[0], i + n[0].length) : -1; + return initRange.apply(linearish(scale), arguments); } -function parseWeekNumberISO(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.V = +n[0], i + n[0].length) : -1; -} +function threshold() { + var domain = [0.5], + range = [0, 1], + unknown, + n = 1; -function parseWeekNumberMonday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.W = +n[0], i + n[0].length) : -1; -} + function scale(x) { + return x != null && x <= x ? range[bisectRight(domain, x, 0, n)] : unknown; + } -function parseFullYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 4)); - return n ? (d.y = +n[0], i + n[0].length) : -1; -} + scale.domain = function(_) { + return arguments.length ? (domain = Array.from(_), n = Math.min(domain.length, range.length - 1), scale) : domain.slice(); + }; -function parseYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1; -} + scale.range = function(_) { + return arguments.length ? (range = Array.from(_), n = Math.min(domain.length, range.length - 1), scale) : range.slice(); + }; -function parseZone(d, string, i) { - var n = /^(Z)|([+-]\d\d)(?::?(\d\d))?/.exec(string.slice(i, i + 6)); - return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; -} + scale.invertExtent = function(y) { + var i = range.indexOf(y); + return [domain[i - 1], domain[i]]; + }; -function parseQuarter(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 1)); - return n ? (d.q = n[0] * 3 - 3, i + n[0].length) : -1; -} + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; -function parseMonthNumber(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.m = n[0] - 1, i + n[0].length) : -1; -} + scale.copy = function() { + return threshold() + .domain(domain) + .range(range) + .unknown(unknown); + }; -function parseDayOfMonth(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.d = +n[0], i + n[0].length) : -1; + return initRange.apply(scale, arguments); } -function parseDayOfYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 3)); - return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1; -} +var t0 = new Date, + t1 = new Date; -function parseHour24(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.H = +n[0], i + n[0].length) : -1; -} +function newInterval(floori, offseti, count, field) { -function parseMinutes(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.M = +n[0], i + n[0].length) : -1; -} + function interval(date) { + return floori(date = arguments.length === 0 ? new Date : new Date(+date)), date; + } -function parseSeconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.S = +n[0], i + n[0].length) : -1; -} + interval.floor = function(date) { + return floori(date = new Date(+date)), date; + }; -function parseMilliseconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 3)); - return n ? (d.L = +n[0], i + n[0].length) : -1; -} + interval.ceil = function(date) { + return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; + }; -function parseMicroseconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 6)); - return n ? (d.L = Math.floor(n[0] / 1000), i + n[0].length) : -1; -} + interval.round = function(date) { + var d0 = interval(date), + d1 = interval.ceil(date); + return date - d0 < d1 - date ? d0 : d1; + }; -function parseLiteralPercent(d, string, i) { - var n = percentRe.exec(string.slice(i, i + 1)); - return n ? i + n[0].length : -1; -} + interval.offset = function(date, step) { + return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; + }; -function parseUnixTimestamp(d, string, i) { - var n = numberRe.exec(string.slice(i)); - return n ? (d.Q = +n[0], i + n[0].length) : -1; -} + interval.range = function(start, stop, step) { + var range = [], previous; + start = interval.ceil(start); + step = step == null ? 1 : Math.floor(step); + if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date + do range.push(previous = new Date(+start)), offseti(start, step), floori(start); + while (previous < start && start < stop); + return range; + }; -function parseUnixTimestampSeconds(d, string, i) { - var n = numberRe.exec(string.slice(i)); - return n ? (d.s = +n[0], i + n[0].length) : -1; -} + interval.filter = function(test) { + return newInterval(function(date) { + if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1); + }, function(date, step) { + if (date >= date) { + if (step < 0) while (++step <= 0) { + while (offseti(date, -1), !test(date)) {} // eslint-disable-line no-empty + } else while (--step >= 0) { + while (offseti(date, +1), !test(date)) {} // eslint-disable-line no-empty + } + } + }); + }; -function formatDayOfMonth(d, p) { - return pad$1(d.getDate(), p, 2); -} + if (count) { + interval.count = function(start, end) { + t0.setTime(+start), t1.setTime(+end); + floori(t0), floori(t1); + return Math.floor(count(t0, t1)); + }; -function formatHour24(d, p) { - return pad$1(d.getHours(), p, 2); -} + interval.every = function(step) { + step = Math.floor(step); + return !isFinite(step) || !(step > 0) ? null + : !(step > 1) ? interval + : interval.filter(field + ? function(d) { return field(d) % step === 0; } + : function(d) { return interval.count(0, d) % step === 0; }); + }; + } -function formatHour12(d, p) { - return pad$1(d.getHours() % 12 || 12, p, 2); + return interval; } -function formatDayOfYear(d, p) { - return pad$1(1 + day.count(year(d), d), p, 3); -} +var millisecond = newInterval(function() { + // noop +}, function(date, step) { + date.setTime(+date + step); +}, function(start, end) { + return end - start; +}); -function formatMilliseconds(d, p) { - return pad$1(d.getMilliseconds(), p, 3); -} +// An optimized implementation for this simple case. +millisecond.every = function(k) { + k = Math.floor(k); + if (!isFinite(k) || !(k > 0)) return null; + if (!(k > 1)) return millisecond; + return newInterval(function(date) { + date.setTime(Math.floor(date / k) * k); + }, function(date, step) { + date.setTime(+date + step * k); + }, function(start, end) { + return (end - start) / k; + }); +}; +var milliseconds = millisecond.range; -function formatMicroseconds(d, p) { - return formatMilliseconds(d, p) + "000"; -} +var durationSecond$1 = 1e3; +var durationMinute$1 = 6e4; +var durationHour$1 = 36e5; +var durationDay$1 = 864e5; +var durationWeek$1 = 6048e5; -function formatMonthNumber(d, p) { - return pad$1(d.getMonth() + 1, p, 2); -} +var second = newInterval(function(date) { + date.setTime(date - date.getMilliseconds()); +}, function(date, step) { + date.setTime(+date + step * durationSecond$1); +}, function(start, end) { + return (end - start) / durationSecond$1; +}, function(date) { + return date.getUTCSeconds(); +}); +var seconds = second.range; -function formatMinutes(d, p) { - return pad$1(d.getMinutes(), p, 2); -} +var minute = newInterval(function(date) { + date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond$1); +}, function(date, step) { + date.setTime(+date + step * durationMinute$1); +}, function(start, end) { + return (end - start) / durationMinute$1; +}, function(date) { + return date.getMinutes(); +}); +var minutes = minute.range; -function formatSeconds(d, p) { - return pad$1(d.getSeconds(), p, 2); -} +var hour = newInterval(function(date) { + date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond$1 - date.getMinutes() * durationMinute$1); +}, function(date, step) { + date.setTime(+date + step * durationHour$1); +}, function(start, end) { + return (end - start) / durationHour$1; +}, function(date) { + return date.getHours(); +}); +var hours = hour.range; -function formatWeekdayNumberMonday(d) { - var day = d.getDay(); - return day === 0 ? 7 : day; -} +var day = newInterval( + date => date.setHours(0, 0, 0, 0), + (date, step) => date.setDate(date.getDate() + step), + (start, end) => (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationDay$1, + date => date.getDate() - 1 +); +var days = day.range; -function formatWeekNumberSunday(d, p) { - return pad$1(sunday.count(year(d) - 1, d), p, 2); +function weekday(i) { + return newInterval(function(date) { + date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setDate(date.getDate() + step * 7); + }, function(start, end) { + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationWeek$1; + }); } -function formatWeekNumberISO(d, p) { - var day = d.getDay(); - d = (day >= 4 || day === 0) ? thursday(d) : thursday.ceil(d); - return pad$1(thursday.count(year(d), d) + (year(d).getDay() === 4), p, 2); -} +var sunday = weekday(0); +var monday = weekday(1); +var tuesday = weekday(2); +var wednesday = weekday(3); +var thursday = weekday(4); +var friday = weekday(5); +var saturday = weekday(6); -function formatWeekdayNumberSunday(d) { - return d.getDay(); -} +var sundays = sunday.range; +var mondays = monday.range; +var tuesdays = tuesday.range; +var wednesdays = wednesday.range; +var thursdays = thursday.range; +var fridays = friday.range; +var saturdays = saturday.range; -function formatWeekNumberMonday(d, p) { - return pad$1(monday.count(year(d) - 1, d), p, 2); -} +var month = newInterval(function(date) { + date.setDate(1); + date.setHours(0, 0, 0, 0); +}, function(date, step) { + date.setMonth(date.getMonth() + step); +}, function(start, end) { + return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; +}, function(date) { + return date.getMonth(); +}); +var months = month.range; -function formatYear$1(d, p) { - return pad$1(d.getFullYear() % 100, p, 2); -} +var year = newInterval(function(date) { + date.setMonth(0, 1); + date.setHours(0, 0, 0, 0); +}, function(date, step) { + date.setFullYear(date.getFullYear() + step); +}, function(start, end) { + return end.getFullYear() - start.getFullYear(); +}, function(date) { + return date.getFullYear(); +}); -function formatFullYear(d, p) { - return pad$1(d.getFullYear() % 10000, p, 4); -} +// An optimized implementation for this simple case. +year.every = function(k) { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { + date.setFullYear(Math.floor(date.getFullYear() / k) * k); + date.setMonth(0, 1); + date.setHours(0, 0, 0, 0); + }, function(date, step) { + date.setFullYear(date.getFullYear() + step * k); + }); +}; +var years = year.range; -function formatZone(d) { - var z = d.getTimezoneOffset(); - return (z > 0 ? "-" : (z *= -1, "+")) - + pad$1(z / 60 | 0, "0", 2) - + pad$1(z % 60, "0", 2); -} +var utcMinute = newInterval(function(date) { + date.setUTCSeconds(0, 0); +}, function(date, step) { + date.setTime(+date + step * durationMinute$1); +}, function(start, end) { + return (end - start) / durationMinute$1; +}, function(date) { + return date.getUTCMinutes(); +}); +var utcMinutes = utcMinute.range; -function formatUTCDayOfMonth(d, p) { - return pad$1(d.getUTCDate(), p, 2); -} +var utcHour = newInterval(function(date) { + date.setUTCMinutes(0, 0, 0); +}, function(date, step) { + date.setTime(+date + step * durationHour$1); +}, function(start, end) { + return (end - start) / durationHour$1; +}, function(date) { + return date.getUTCHours(); +}); +var utcHours = utcHour.range; -function formatUTCHour24(d, p) { - return pad$1(d.getUTCHours(), p, 2); -} +var utcDay = newInterval(function(date) { + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCDate(date.getUTCDate() + step); +}, function(start, end) { + return (end - start) / durationDay$1; +}, function(date) { + return date.getUTCDate() - 1; +}); +var utcDays = utcDay.range; -function formatUTCHour12(d, p) { - return pad$1(d.getUTCHours() % 12 || 12, p, 2); +function utcWeekday(i) { + return newInterval(function(date) { + date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCDate(date.getUTCDate() + step * 7); + }, function(start, end) { + return (end - start) / durationWeek$1; + }); } -function formatUTCDayOfYear(d, p) { - return pad$1(1 + utcDay.count(utcYear(d), d), p, 3); -} +var utcSunday = utcWeekday(0); +var utcMonday = utcWeekday(1); +var utcTuesday = utcWeekday(2); +var utcWednesday = utcWeekday(3); +var utcThursday = utcWeekday(4); +var utcFriday = utcWeekday(5); +var utcSaturday = utcWeekday(6); -function formatUTCMilliseconds(d, p) { - return pad$1(d.getUTCMilliseconds(), p, 3); -} +var utcSundays = utcSunday.range; +var utcMondays = utcMonday.range; +var utcTuesdays = utcTuesday.range; +var utcWednesdays = utcWednesday.range; +var utcThursdays = utcThursday.range; +var utcFridays = utcFriday.range; +var utcSaturdays = utcSaturday.range; -function formatUTCMicroseconds(d, p) { - return formatUTCMilliseconds(d, p) + "000"; -} +var utcMonth = newInterval(function(date) { + date.setUTCDate(1); + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCMonth(date.getUTCMonth() + step); +}, function(start, end) { + return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; +}, function(date) { + return date.getUTCMonth(); +}); +var utcMonths = utcMonth.range; -function formatUTCMonthNumber(d, p) { - return pad$1(d.getUTCMonth() + 1, p, 2); -} +var utcYear = newInterval(function(date) { + date.setUTCMonth(0, 1); + date.setUTCHours(0, 0, 0, 0); +}, function(date, step) { + date.setUTCFullYear(date.getUTCFullYear() + step); +}, function(start, end) { + return end.getUTCFullYear() - start.getUTCFullYear(); +}, function(date) { + return date.getUTCFullYear(); +}); -function formatUTCMinutes(d, p) { - return pad$1(d.getUTCMinutes(), p, 2); -} +// An optimized implementation for this simple case. +utcYear.every = function(k) { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { + date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); + date.setUTCMonth(0, 1); + date.setUTCHours(0, 0, 0, 0); + }, function(date, step) { + date.setUTCFullYear(date.getUTCFullYear() + step * k); + }); +}; +var utcYears = utcYear.range; -function formatUTCSeconds(d, p) { - return pad$1(d.getUTCSeconds(), p, 2); +function localDate(d) { + if (0 <= d.y && d.y < 100) { + var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); + date.setFullYear(d.y); + return date; + } + return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L); } -function formatUTCWeekdayNumberMonday(d) { - var dow = d.getUTCDay(); - return dow === 0 ? 7 : dow; +function utcDate(d) { + if (0 <= d.y && d.y < 100) { + var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L)); + date.setUTCFullYear(d.y); + return date; + } + return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); } -function formatUTCWeekNumberSunday(d, p) { - return pad$1(utcSunday.count(utcYear(d) - 1, d), p, 2); +function newDate(y, m, d) { + return {y: y, m: m, d: d, H: 0, M: 0, S: 0, L: 0}; } -function formatUTCWeekNumberISO(d, p) { - var day = d.getUTCDay(); - d = (day >= 4 || day === 0) ? utcThursday(d) : utcThursday.ceil(d); - return pad$1(utcThursday.count(utcYear(d), d) + (utcYear(d).getUTCDay() === 4), p, 2); -} +function formatLocale(locale) { + var locale_dateTime = locale.dateTime, + locale_date = locale.date, + locale_time = locale.time, + locale_periods = locale.periods, + locale_weekdays = locale.days, + locale_shortWeekdays = locale.shortDays, + locale_months = locale.months, + locale_shortMonths = locale.shortMonths; -function formatUTCWeekdayNumberSunday(d) { - return d.getUTCDay(); -} + var periodRe = formatRe(locale_periods), + periodLookup = formatLookup(locale_periods), + weekdayRe = formatRe(locale_weekdays), + weekdayLookup = formatLookup(locale_weekdays), + shortWeekdayRe = formatRe(locale_shortWeekdays), + shortWeekdayLookup = formatLookup(locale_shortWeekdays), + monthRe = formatRe(locale_months), + monthLookup = formatLookup(locale_months), + shortMonthRe = formatRe(locale_shortMonths), + shortMonthLookup = formatLookup(locale_shortMonths); -function formatUTCWeekNumberMonday(d, p) { - return pad$1(utcMonday.count(utcYear(d) - 1, d), p, 2); -} + var formats = { + "a": formatShortWeekday, + "A": formatWeekday, + "b": formatShortMonth, + "B": formatMonth, + "c": null, + "d": formatDayOfMonth, + "e": formatDayOfMonth, + "f": formatMicroseconds, + "g": formatYearISO, + "G": formatFullYearISO, + "H": formatHour24, + "I": formatHour12, + "j": formatDayOfYear, + "L": formatMilliseconds, + "m": formatMonthNumber, + "M": formatMinutes, + "p": formatPeriod, + "q": formatQuarter, + "Q": formatUnixTimestamp, + "s": formatUnixTimestampSeconds, + "S": formatSeconds, + "u": formatWeekdayNumberMonday, + "U": formatWeekNumberSunday, + "V": formatWeekNumberISO, + "w": formatWeekdayNumberSunday, + "W": formatWeekNumberMonday, + "x": null, + "X": null, + "y": formatYear, + "Y": formatFullYear, + "Z": formatZone, + "%": formatLiteralPercent + }; -function formatUTCYear(d, p) { - return pad$1(d.getUTCFullYear() % 100, p, 2); -} + var utcFormats = { + "a": formatUTCShortWeekday, + "A": formatUTCWeekday, + "b": formatUTCShortMonth, + "B": formatUTCMonth, + "c": null, + "d": formatUTCDayOfMonth, + "e": formatUTCDayOfMonth, + "f": formatUTCMicroseconds, + "g": formatUTCYearISO, + "G": formatUTCFullYearISO, + "H": formatUTCHour24, + "I": formatUTCHour12, + "j": formatUTCDayOfYear, + "L": formatUTCMilliseconds, + "m": formatUTCMonthNumber, + "M": formatUTCMinutes, + "p": formatUTCPeriod, + "q": formatUTCQuarter, + "Q": formatUnixTimestamp, + "s": formatUnixTimestampSeconds, + "S": formatUTCSeconds, + "u": formatUTCWeekdayNumberMonday, + "U": formatUTCWeekNumberSunday, + "V": formatUTCWeekNumberISO, + "w": formatUTCWeekdayNumberSunday, + "W": formatUTCWeekNumberMonday, + "x": null, + "X": null, + "y": formatUTCYear, + "Y": formatUTCFullYear, + "Z": formatUTCZone, + "%": formatLiteralPercent + }; -function formatUTCFullYear(d, p) { - return pad$1(d.getUTCFullYear() % 10000, p, 4); -} + var parses = { + "a": parseShortWeekday, + "A": parseWeekday, + "b": parseShortMonth, + "B": parseMonth, + "c": parseLocaleDateTime, + "d": parseDayOfMonth, + "e": parseDayOfMonth, + "f": parseMicroseconds, + "g": parseYear, + "G": parseFullYear, + "H": parseHour24, + "I": parseHour24, + "j": parseDayOfYear, + "L": parseMilliseconds, + "m": parseMonthNumber, + "M": parseMinutes, + "p": parsePeriod, + "q": parseQuarter, + "Q": parseUnixTimestamp, + "s": parseUnixTimestampSeconds, + "S": parseSeconds, + "u": parseWeekdayNumberMonday, + "U": parseWeekNumberSunday, + "V": parseWeekNumberISO, + "w": parseWeekdayNumberSunday, + "W": parseWeekNumberMonday, + "x": parseLocaleDate, + "X": parseLocaleTime, + "y": parseYear, + "Y": parseFullYear, + "Z": parseZone, + "%": parseLiteralPercent + }; -function formatUTCZone() { - return "+0000"; -} + // These recursive directive definitions must be deferred. + formats.x = newFormat(locale_date, formats); + formats.X = newFormat(locale_time, formats); + formats.c = newFormat(locale_dateTime, formats); + utcFormats.x = newFormat(locale_date, utcFormats); + utcFormats.X = newFormat(locale_time, utcFormats); + utcFormats.c = newFormat(locale_dateTime, utcFormats); -function formatLiteralPercent() { - return "%"; -} + function newFormat(specifier, formats) { + return function(date) { + var string = [], + i = -1, + j = 0, + n = specifier.length, + c, + pad, + format; -function formatUnixTimestamp(d) { - return +d; -} + if (!(date instanceof Date)) date = new Date(+date); -function formatUnixTimestampSeconds(d) { - return Math.floor(+d / 1000); -} + while (++i < n) { + if (specifier.charCodeAt(i) === 37) { + string.push(specifier.slice(j, i)); + if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i); + else pad = c === "e" ? " " : "0"; + if (format = formats[c]) c = format(date, pad); + string.push(c); + j = i + 1; + } + } -var locale$1; + string.push(specifier.slice(j, i)); + return string.join(""); + }; + } -defaultLocale$1({ - dateTime: "%x, %X", - date: "%-m/%-d/%Y", - time: "%-I:%M:%S %p", - periods: ["AM", "PM"], - days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], - shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], - months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], - shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"] -}); + function newParse(specifier, Z) { + return function(string) { + var d = newDate(1900, undefined, 1), + i = parseSpecifier(d, specifier, string += "", 0), + week, day$1; + if (i != string.length) return null; -function defaultLocale$1(definition) { - locale$1 = formatLocale$1(definition); - exports.timeFormat = locale$1.format; - exports.timeParse = locale$1.parse; - exports.utcFormat = locale$1.utcFormat; - exports.utcParse = locale$1.utcParse; - return locale$1; -} + // If a UNIX timestamp is specified, return it. + if ("Q" in d) return new Date(d.Q); + if ("s" in d) return new Date(d.s * 1000 + ("L" in d ? d.L : 0)); -var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; + // If this is utcParse, never use the local timezone. + if (Z && !("Z" in d)) d.Z = 0; -function formatIsoNative(date) { - return date.toISOString(); -} + // The am-pm flag is 0 for AM, and 1 for PM. + if ("p" in d) d.H = d.H % 12 + d.p * 12; -var formatIso = Date.prototype.toISOString - ? formatIsoNative - : exports.utcFormat(isoSpecifier); + // If the month was not specified, inherit from the quarter. + if (d.m === undefined) d.m = "q" in d ? d.q : 0; -function parseIsoNative(string) { - var date = new Date(string); - return isNaN(date) ? null : date; -} + // Convert day-of-week and week-of-year to day-of-year. + if ("V" in d) { + if (d.V < 1 || d.V > 53) return null; + if (!("w" in d)) d.w = 1; + if ("Z" in d) { + week = utcDate(newDate(d.y, 0, 1)), day$1 = week.getUTCDay(); + week = day$1 > 4 || day$1 === 0 ? utcMonday.ceil(week) : utcMonday(week); + week = utcDay.offset(week, (d.V - 1) * 7); + d.y = week.getUTCFullYear(); + d.m = week.getUTCMonth(); + d.d = week.getUTCDate() + (d.w + 6) % 7; + } else { + week = localDate(newDate(d.y, 0, 1)), day$1 = week.getDay(); + week = day$1 > 4 || day$1 === 0 ? monday.ceil(week) : monday(week); + week = day.offset(week, (d.V - 1) * 7); + d.y = week.getFullYear(); + d.m = week.getMonth(); + d.d = week.getDate() + (d.w + 6) % 7; + } + } else if ("W" in d || "U" in d) { + if (!("w" in d)) d.w = "u" in d ? d.u % 7 : "W" in d ? 1 : 0; + day$1 = "Z" in d ? utcDate(newDate(d.y, 0, 1)).getUTCDay() : localDate(newDate(d.y, 0, 1)).getDay(); + d.m = 0; + d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$1 + 5) % 7 : d.w + d.U * 7 - (day$1 + 6) % 7; + } + + // If a time zone is specified, all fields are interpreted as UTC and then + // offset according to the specified time zone. + if ("Z" in d) { + d.H += d.Z / 100 | 0; + d.M += d.Z % 100; + return utcDate(d); + } -var parseIso = +new Date("2000-01-01T00:00:00.000Z") - ? parseIsoNative - : exports.utcParse(isoSpecifier); + // Otherwise, all fields are in local time. + return localDate(d); + }; + } -var durationSecond$1 = 1000, - durationMinute$1 = durationSecond$1 * 60, - durationHour$1 = durationMinute$1 * 60, - durationDay$1 = durationHour$1 * 24, - durationWeek$1 = durationDay$1 * 7, - durationMonth = durationDay$1 * 30, - durationYear = durationDay$1 * 365; + function parseSpecifier(d, specifier, string, j) { + var i = 0, + n = specifier.length, + m = string.length, + c, + parse; -function date$1(t) { - return new Date(t); -} + while (i < n) { + if (j >= m) return -1; + c = specifier.charCodeAt(i++); + if (c === 37) { + c = specifier.charAt(i++); + parse = parses[c in pads ? specifier.charAt(i++) : c]; + if (!parse || ((j = parse(d, string, j)) < 0)) return -1; + } else if (c != string.charCodeAt(j++)) { + return -1; + } + } -function number$3(t) { - return t instanceof Date ? +t : +new Date(+t); -} + return j; + } -function calendar(year, month, week, day, hour, minute, second, millisecond, format) { - var scale = continuous(identity$6, identity$6), - invert = scale.invert, - domain = scale.domain; + function parsePeriod(d, string, i) { + var n = periodRe.exec(string.slice(i)); + return n ? (d.p = periodLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } - var formatMillisecond = format(".%L"), - formatSecond = format(":%S"), - formatMinute = format("%I:%M"), - formatHour = format("%I %p"), - formatDay = format("%a %d"), - formatWeek = format("%b %d"), - formatMonth = format("%B"), - formatYear = format("%Y"); + function parseShortWeekday(d, string, i) { + var n = shortWeekdayRe.exec(string.slice(i)); + return n ? (d.w = shortWeekdayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } - var tickIntervals = [ - [second, 1, durationSecond$1], - [second, 5, 5 * durationSecond$1], - [second, 15, 15 * durationSecond$1], - [second, 30, 30 * durationSecond$1], - [minute, 1, durationMinute$1], - [minute, 5, 5 * durationMinute$1], - [minute, 15, 15 * durationMinute$1], - [minute, 30, 30 * durationMinute$1], - [ hour, 1, durationHour$1 ], - [ hour, 3, 3 * durationHour$1 ], - [ hour, 6, 6 * durationHour$1 ], - [ hour, 12, 12 * durationHour$1 ], - [ day, 1, durationDay$1 ], - [ day, 2, 2 * durationDay$1 ], - [ week, 1, durationWeek$1 ], - [ month, 1, durationMonth ], - [ month, 3, 3 * durationMonth ], - [ year, 1, durationYear ] - ]; + function parseWeekday(d, string, i) { + var n = weekdayRe.exec(string.slice(i)); + return n ? (d.w = weekdayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } - function tickFormat(date) { - return (second(date) < date ? formatMillisecond - : minute(date) < date ? formatSecond - : hour(date) < date ? formatMinute - : day(date) < date ? formatHour - : month(date) < date ? (week(date) < date ? formatDay : formatWeek) - : year(date) < date ? formatMonth - : formatYear)(date); + function parseShortMonth(d, string, i) { + var n = shortMonthRe.exec(string.slice(i)); + return n ? (d.m = shortMonthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; } - function tickInterval(interval, start, stop, step) { - if (interval == null) interval = 10; + function parseMonth(d, string, i) { + var n = monthRe.exec(string.slice(i)); + return n ? (d.m = monthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } - // If a desired tick count is specified, pick a reasonable tick interval - // based on the extent of the domain and a rough estimate of tick size. - // Otherwise, assume interval is already a time interval and use it. - if (typeof interval === "number") { - var target = Math.abs(stop - start) / interval, - i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); - if (i === tickIntervals.length) { - step = tickStep(start / durationYear, stop / durationYear, interval); - interval = year; - } else if (i) { - i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; - step = i[1]; - interval = i[0]; - } else { - step = Math.max(tickStep(start, stop, interval), 1); - interval = millisecond; - } - } + function parseLocaleDateTime(d, string, i) { + return parseSpecifier(d, locale_dateTime, string, i); + } - return step == null ? interval : interval.every(step); + function parseLocaleDate(d, string, i) { + return parseSpecifier(d, locale_date, string, i); } - scale.invert = function(y) { - return new Date(invert(y)); - }; + function parseLocaleTime(d, string, i) { + return parseSpecifier(d, locale_time, string, i); + } - scale.domain = function(_) { - return arguments.length ? domain(map$3.call(_, number$3)) : domain().map(date$1); - }; + function formatShortWeekday(d) { + return locale_shortWeekdays[d.getDay()]; + } - scale.ticks = function(interval, step) { - var d = domain(), - t0 = d[0], - t1 = d[d.length - 1], - r = t1 < t0, - t; - if (r) t = t0, t0 = t1, t1 = t; - t = tickInterval(interval, t0, t1, step); - t = t ? t.range(t0, t1 + 1) : []; // inclusive stop - return r ? t.reverse() : t; - }; + function formatWeekday(d) { + return locale_weekdays[d.getDay()]; + } - scale.tickFormat = function(count, specifier) { - return specifier == null ? tickFormat : format(specifier); - }; + function formatShortMonth(d) { + return locale_shortMonths[d.getMonth()]; + } - scale.nice = function(interval, step) { - var d = domain(); - return (interval = tickInterval(interval, d[0], d[d.length - 1], step)) - ? domain(nice(d, interval)) - : scale; - }; + function formatMonth(d) { + return locale_months[d.getMonth()]; + } - scale.copy = function() { - return copy(scale, calendar(year, month, week, day, hour, minute, second, millisecond, format)); - }; + function formatPeriod(d) { + return locale_periods[+(d.getHours() >= 12)]; + } - return scale; -} + function formatQuarter(d) { + return 1 + ~~(d.getMonth() / 3); + } -function time() { - return initRange.apply(calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments); -} + function formatUTCShortWeekday(d) { + return locale_shortWeekdays[d.getUTCDay()]; + } -function utcTime() { - return initRange.apply(calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]), arguments); -} + function formatUTCWeekday(d) { + return locale_weekdays[d.getUTCDay()]; + } -function transformer$2() { - var x0 = 0, - x1 = 1, - t0, - t1, - k10, - transform, - interpolator = identity$6, - clamp = false, - unknown; + function formatUTCShortMonth(d) { + return locale_shortMonths[d.getUTCMonth()]; + } - function scale(x) { - return isNaN(x = +x) ? unknown : interpolator(k10 === 0 ? 0.5 : (x = (transform(x) - t0) * k10, clamp ? Math.max(0, Math.min(1, x)) : x)); + function formatUTCMonth(d) { + return locale_months[d.getUTCMonth()]; } - scale.domain = function(_) { - return arguments.length ? (t0 = transform(x0 = +_[0]), t1 = transform(x1 = +_[1]), k10 = t0 === t1 ? 0 : 1 / (t1 - t0), scale) : [x0, x1]; - }; + function formatUTCPeriod(d) { + return locale_periods[+(d.getUTCHours() >= 12)]; + } - scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, scale) : clamp; - }; + function formatUTCQuarter(d) { + return 1 + ~~(d.getUTCMonth() / 3); + } - scale.interpolator = function(_) { - return arguments.length ? (interpolator = _, scale) : interpolator; + return { + format: function(specifier) { + var f = newFormat(specifier += "", formats); + f.toString = function() { return specifier; }; + return f; + }, + parse: function(specifier) { + var p = newParse(specifier += "", false); + p.toString = function() { return specifier; }; + return p; + }, + utcFormat: function(specifier) { + var f = newFormat(specifier += "", utcFormats); + f.toString = function() { return specifier; }; + return f; + }, + utcParse: function(specifier) { + var p = newParse(specifier += "", true); + p.toString = function() { return specifier; }; + return p; + } }; +} - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; +var pads = {"-": "", "_": " ", "0": "0"}, + numberRe = /^\s*\d+/, // note: ignores next directive + percentRe = /^%/, + requoteRe = /[\\^$*+?|[\]().{}]/g; - return function(t) { - transform = t, t0 = t(x0), t1 = t(x1), k10 = t0 === t1 ? 0 : 1 / (t1 - t0); - return scale; - }; +function pad(value, fill, width) { + var sign = value < 0 ? "-" : "", + string = (sign ? -value : value) + "", + length = string.length; + return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); } -function copy$1(source, target) { - return target - .domain(source.domain()) - .interpolator(source.interpolator()) - .clamp(source.clamp()) - .unknown(source.unknown()); +function requote(s) { + return s.replace(requoteRe, "\\$&"); } -function sequential() { - var scale = linearish(transformer$2()(identity$6)); - - scale.copy = function() { - return copy$1(scale, sequential()); - }; - - return initInterpolator.apply(scale, arguments); +function formatRe(names) { + return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i"); } -function sequentialLog() { - var scale = loggish(transformer$2()).domain([1, 10]); - - scale.copy = function() { - return copy$1(scale, sequentialLog()).base(scale.base()); - }; +function formatLookup(names) { + return new Map(names.map((name, i) => [name.toLowerCase(), i])); +} - return initInterpolator.apply(scale, arguments); +function parseWeekdayNumberSunday(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 1)); + return n ? (d.w = +n[0], i + n[0].length) : -1; } -function sequentialSymlog() { - var scale = symlogish(transformer$2()); +function parseWeekdayNumberMonday(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 1)); + return n ? (d.u = +n[0], i + n[0].length) : -1; +} - scale.copy = function() { - return copy$1(scale, sequentialSymlog()).constant(scale.constant()); - }; +function parseWeekNumberSunday(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.U = +n[0], i + n[0].length) : -1; +} - return initInterpolator.apply(scale, arguments); +function parseWeekNumberISO(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.V = +n[0], i + n[0].length) : -1; } -function sequentialPow() { - var scale = powish(transformer$2()); +function parseWeekNumberMonday(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.W = +n[0], i + n[0].length) : -1; +} - scale.copy = function() { - return copy$1(scale, sequentialPow()).exponent(scale.exponent()); - }; +function parseFullYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 4)); + return n ? (d.y = +n[0], i + n[0].length) : -1; +} - return initInterpolator.apply(scale, arguments); +function parseYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1; } -function sequentialSqrt() { - return sequentialPow.apply(null, arguments).exponent(0.5); +function parseZone(d, string, i) { + var n = /^(Z)|([+-]\d\d)(?::?(\d\d))?/.exec(string.slice(i, i + 6)); + return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; } -function sequentialQuantile() { - var domain = [], - interpolator = identity$6; +function parseQuarter(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 1)); + return n ? (d.q = n[0] * 3 - 3, i + n[0].length) : -1; +} - function scale(x) { - if (!isNaN(x = +x)) return interpolator((bisectRight(domain, x) - 1) / (domain.length - 1)); - } +function parseMonthNumber(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.m = n[0] - 1, i + n[0].length) : -1; +} - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = []; - for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); - domain.sort(ascending); - return scale; - }; +function parseDayOfMonth(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.d = +n[0], i + n[0].length) : -1; +} - scale.interpolator = function(_) { - return arguments.length ? (interpolator = _, scale) : interpolator; - }; +function parseDayOfYear(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 3)); + return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1; +} - scale.copy = function() { - return sequentialQuantile(interpolator).domain(domain); - }; +function parseHour24(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.H = +n[0], i + n[0].length) : -1; +} - return initInterpolator.apply(scale, arguments); +function parseMinutes(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.M = +n[0], i + n[0].length) : -1; } -function transformer$3() { - var x0 = 0, - x1 = 0.5, - x2 = 1, - t0, - t1, - t2, - k10, - k21, - interpolator = identity$6, - transform, - clamp = false, - unknown; +function parseSeconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 2)); + return n ? (d.S = +n[0], i + n[0].length) : -1; +} - function scale(x) { - return isNaN(x = +x) ? unknown : (x = 0.5 + ((x = +transform(x)) - t1) * (x < t1 ? k10 : k21), interpolator(clamp ? Math.max(0, Math.min(1, x)) : x)); - } +function parseMilliseconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 3)); + return n ? (d.L = +n[0], i + n[0].length) : -1; +} - scale.domain = function(_) { - return arguments.length ? (t0 = transform(x0 = +_[0]), t1 = transform(x1 = +_[1]), t2 = transform(x2 = +_[2]), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1), scale) : [x0, x1, x2]; - }; +function parseMicroseconds(d, string, i) { + var n = numberRe.exec(string.slice(i, i + 6)); + return n ? (d.L = Math.floor(n[0] / 1000), i + n[0].length) : -1; +} - scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, scale) : clamp; - }; +function parseLiteralPercent(d, string, i) { + var n = percentRe.exec(string.slice(i, i + 1)); + return n ? i + n[0].length : -1; +} - scale.interpolator = function(_) { - return arguments.length ? (interpolator = _, scale) : interpolator; - }; +function parseUnixTimestamp(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.Q = +n[0], i + n[0].length) : -1; +} - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; +function parseUnixTimestampSeconds(d, string, i) { + var n = numberRe.exec(string.slice(i)); + return n ? (d.s = +n[0], i + n[0].length) : -1; +} - return function(t) { - transform = t, t0 = t(x0), t1 = t(x1), t2 = t(x2), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1); - return scale; - }; +function formatDayOfMonth(d, p) { + return pad(d.getDate(), p, 2); } -function diverging() { - var scale = linearish(transformer$3()(identity$6)); +function formatHour24(d, p) { + return pad(d.getHours(), p, 2); +} - scale.copy = function() { - return copy$1(scale, diverging()); - }; +function formatHour12(d, p) { + return pad(d.getHours() % 12 || 12, p, 2); +} - return initInterpolator.apply(scale, arguments); +function formatDayOfYear(d, p) { + return pad(1 + day.count(year(d), d), p, 3); } -function divergingLog() { - var scale = loggish(transformer$3()).domain([0.1, 1, 10]); +function formatMilliseconds(d, p) { + return pad(d.getMilliseconds(), p, 3); +} - scale.copy = function() { - return copy$1(scale, divergingLog()).base(scale.base()); - }; +function formatMicroseconds(d, p) { + return formatMilliseconds(d, p) + "000"; +} - return initInterpolator.apply(scale, arguments); +function formatMonthNumber(d, p) { + return pad(d.getMonth() + 1, p, 2); } -function divergingSymlog() { - var scale = symlogish(transformer$3()); +function formatMinutes(d, p) { + return pad(d.getMinutes(), p, 2); +} - scale.copy = function() { - return copy$1(scale, divergingSymlog()).constant(scale.constant()); - }; +function formatSeconds(d, p) { + return pad(d.getSeconds(), p, 2); +} - return initInterpolator.apply(scale, arguments); +function formatWeekdayNumberMonday(d) { + var day = d.getDay(); + return day === 0 ? 7 : day; } -function divergingPow() { - var scale = powish(transformer$3()); +function formatWeekNumberSunday(d, p) { + return pad(sunday.count(year(d) - 1, d), p, 2); +} - scale.copy = function() { - return copy$1(scale, divergingPow()).exponent(scale.exponent()); - }; +function dISO(d) { + var day = d.getDay(); + return (day >= 4 || day === 0) ? thursday(d) : thursday.ceil(d); +} - return initInterpolator.apply(scale, arguments); +function formatWeekNumberISO(d, p) { + d = dISO(d); + return pad(thursday.count(year(d), d) + (year(d).getDay() === 4), p, 2); } -function divergingSqrt() { - return divergingPow.apply(null, arguments).exponent(0.5); +function formatWeekdayNumberSunday(d) { + return d.getDay(); } -function colors(specifier) { - var n = specifier.length / 6 | 0, colors = new Array(n), i = 0; - while (i < n) colors[i] = "#" + specifier.slice(i * 6, ++i * 6); - return colors; +function formatWeekNumberMonday(d, p) { + return pad(monday.count(year(d) - 1, d), p, 2); } -var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); +function formatYear(d, p) { + return pad(d.getFullYear() % 100, p, 2); +} -var Accent = colors("7fc97fbeaed4fdc086ffff99386cb0f0027fbf5b17666666"); +function formatYearISO(d, p) { + d = dISO(d); + return pad(d.getFullYear() % 100, p, 2); +} -var Dark2 = colors("1b9e77d95f027570b3e7298a66a61ee6ab02a6761d666666"); +function formatFullYear(d, p) { + return pad(d.getFullYear() % 10000, p, 4); +} -var Paired = colors("a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00cab2d66a3d9affff99b15928"); +function formatFullYearISO(d, p) { + var day = d.getDay(); + d = (day >= 4 || day === 0) ? thursday(d) : thursday.ceil(d); + return pad(d.getFullYear() % 10000, p, 4); +} -var Pastel1 = colors("fbb4aeb3cde3ccebc5decbe4fed9a6ffffcce5d8bdfddaecf2f2f2"); +function formatZone(d) { + var z = d.getTimezoneOffset(); + return (z > 0 ? "-" : (z *= -1, "+")) + + pad(z / 60 | 0, "0", 2) + + pad(z % 60, "0", 2); +} -var Pastel2 = colors("b3e2cdfdcdaccbd5e8f4cae4e6f5c9fff2aef1e2cccccccc"); +function formatUTCDayOfMonth(d, p) { + return pad(d.getUTCDate(), p, 2); +} -var Set1 = colors("e41a1c377eb84daf4a984ea3ff7f00ffff33a65628f781bf999999"); +function formatUTCHour24(d, p) { + return pad(d.getUTCHours(), p, 2); +} -var Set2 = colors("66c2a5fc8d628da0cbe78ac3a6d854ffd92fe5c494b3b3b3"); +function formatUTCHour12(d, p) { + return pad(d.getUTCHours() % 12 || 12, p, 2); +} -var Set3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5ffed6f"); +function formatUTCDayOfYear(d, p) { + return pad(1 + utcDay.count(utcYear(d), d), p, 3); +} -var Tableau10 = colors("4e79a7f28e2ce1575976b7b259a14fedc949af7aa1ff9da79c755fbab0ab"); +function formatUTCMilliseconds(d, p) { + return pad(d.getUTCMilliseconds(), p, 3); +} -function ramp(scheme) { - return rgbBasis(scheme[scheme.length - 1]); +function formatUTCMicroseconds(d, p) { + return formatUTCMilliseconds(d, p) + "000"; } -var scheme = new Array(3).concat( - "d8b365f5f5f55ab4ac", - "a6611adfc27d80cdc1018571", - "a6611adfc27df5f5f580cdc1018571", - "8c510ad8b365f6e8c3c7eae55ab4ac01665e", - "8c510ad8b365f6e8c3f5f5f5c7eae55ab4ac01665e", - "8c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e", - "8c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e", - "5430058c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e003c30", - "5430058c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e003c30" -).map(colors); +function formatUTCMonthNumber(d, p) { + return pad(d.getUTCMonth() + 1, p, 2); +} -var BrBG = ramp(scheme); +function formatUTCMinutes(d, p) { + return pad(d.getUTCMinutes(), p, 2); +} -var scheme$1 = new Array(3).concat( - "af8dc3f7f7f77fbf7b", - "7b3294c2a5cfa6dba0008837", - "7b3294c2a5cff7f7f7a6dba0008837", - "762a83af8dc3e7d4e8d9f0d37fbf7b1b7837", - "762a83af8dc3e7d4e8f7f7f7d9f0d37fbf7b1b7837", - "762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b7837", - "762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b7837", - "40004b762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b783700441b", - "40004b762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b783700441b" -).map(colors); +function formatUTCSeconds(d, p) { + return pad(d.getUTCSeconds(), p, 2); +} -var PRGn = ramp(scheme$1); +function formatUTCWeekdayNumberMonday(d) { + var dow = d.getUTCDay(); + return dow === 0 ? 7 : dow; +} -var scheme$2 = new Array(3).concat( - "e9a3c9f7f7f7a1d76a", - "d01c8bf1b6dab8e1864dac26", - "d01c8bf1b6daf7f7f7b8e1864dac26", - "c51b7de9a3c9fde0efe6f5d0a1d76a4d9221", - "c51b7de9a3c9fde0eff7f7f7e6f5d0a1d76a4d9221", - "c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221", - "c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221", - "8e0152c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221276419", - "8e0152c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221276419" -).map(colors); +function formatUTCWeekNumberSunday(d, p) { + return pad(utcSunday.count(utcYear(d) - 1, d), p, 2); +} -var PiYG = ramp(scheme$2); +function UTCdISO(d) { + var day = d.getUTCDay(); + return (day >= 4 || day === 0) ? utcThursday(d) : utcThursday.ceil(d); +} -var scheme$3 = new Array(3).concat( - "998ec3f7f7f7f1a340", - "5e3c99b2abd2fdb863e66101", - "5e3c99b2abd2f7f7f7fdb863e66101", - "542788998ec3d8daebfee0b6f1a340b35806", - "542788998ec3d8daebf7f7f7fee0b6f1a340b35806", - "5427888073acb2abd2d8daebfee0b6fdb863e08214b35806", - "5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b35806", - "2d004b5427888073acb2abd2d8daebfee0b6fdb863e08214b358067f3b08", - "2d004b5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b358067f3b08" -).map(colors); +function formatUTCWeekNumberISO(d, p) { + d = UTCdISO(d); + return pad(utcThursday.count(utcYear(d), d) + (utcYear(d).getUTCDay() === 4), p, 2); +} -var PuOr = ramp(scheme$3); +function formatUTCWeekdayNumberSunday(d) { + return d.getUTCDay(); +} -var scheme$4 = new Array(3).concat( - "ef8a62f7f7f767a9cf", - "ca0020f4a58292c5de0571b0", - "ca0020f4a582f7f7f792c5de0571b0", - "b2182bef8a62fddbc7d1e5f067a9cf2166ac", - "b2182bef8a62fddbc7f7f7f7d1e5f067a9cf2166ac", - "b2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac", - "b2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac", - "67001fb2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac053061", - "67001fb2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac053061" -).map(colors); +function formatUTCWeekNumberMonday(d, p) { + return pad(utcMonday.count(utcYear(d) - 1, d), p, 2); +} -var RdBu = ramp(scheme$4); +function formatUTCYear(d, p) { + return pad(d.getUTCFullYear() % 100, p, 2); +} -var scheme$5 = new Array(3).concat( - "ef8a62ffffff999999", - "ca0020f4a582bababa404040", - "ca0020f4a582ffffffbababa404040", - "b2182bef8a62fddbc7e0e0e09999994d4d4d", - "b2182bef8a62fddbc7ffffffe0e0e09999994d4d4d", - "b2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d", - "b2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d", - "67001fb2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d1a1a1a", - "67001fb2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d1a1a1a" -).map(colors); +function formatUTCYearISO(d, p) { + d = UTCdISO(d); + return pad(d.getUTCFullYear() % 100, p, 2); +} -var RdGy = ramp(scheme$5); +function formatUTCFullYear(d, p) { + return pad(d.getUTCFullYear() % 10000, p, 4); +} -var scheme$6 = new Array(3).concat( - "fc8d59ffffbf91bfdb", - "d7191cfdae61abd9e92c7bb6", - "d7191cfdae61ffffbfabd9e92c7bb6", - "d73027fc8d59fee090e0f3f891bfdb4575b4", - "d73027fc8d59fee090ffffbfe0f3f891bfdb4575b4", - "d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4", - "d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4", - "a50026d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4313695", - "a50026d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4313695" -).map(colors); +function formatUTCFullYearISO(d, p) { + var day = d.getUTCDay(); + d = (day >= 4 || day === 0) ? utcThursday(d) : utcThursday.ceil(d); + return pad(d.getUTCFullYear() % 10000, p, 4); +} -var RdYlBu = ramp(scheme$6); +function formatUTCZone() { + return "+0000"; +} -var scheme$7 = new Array(3).concat( - "fc8d59ffffbf91cf60", - "d7191cfdae61a6d96a1a9641", - "d7191cfdae61ffffbfa6d96a1a9641", - "d73027fc8d59fee08bd9ef8b91cf601a9850", - "d73027fc8d59fee08bffffbfd9ef8b91cf601a9850", - "d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850", - "d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850", - "a50026d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850006837", - "a50026d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850006837" -).map(colors); +function formatLiteralPercent() { + return "%"; +} -var RdYlGn = ramp(scheme$7); +function formatUnixTimestamp(d) { + return +d; +} -var scheme$8 = new Array(3).concat( - "fc8d59ffffbf99d594", - "d7191cfdae61abdda42b83ba", - "d7191cfdae61ffffbfabdda42b83ba", - "d53e4ffc8d59fee08be6f59899d5943288bd", - "d53e4ffc8d59fee08bffffbfe6f59899d5943288bd", - "d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd", - "d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd", - "9e0142d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd5e4fa2", - "9e0142d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd5e4fa2" -).map(colors); +function formatUnixTimestampSeconds(d) { + return Math.floor(+d / 1000); +} -var Spectral = ramp(scheme$8); +var locale; +exports.timeFormat = void 0; +exports.timeParse = void 0; +exports.utcFormat = void 0; +exports.utcParse = void 0; -var scheme$9 = new Array(3).concat( - "e5f5f999d8c92ca25f", - "edf8fbb2e2e266c2a4238b45", - "edf8fbb2e2e266c2a42ca25f006d2c", - "edf8fbccece699d8c966c2a42ca25f006d2c", - "edf8fbccece699d8c966c2a441ae76238b45005824", - "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45005824", - "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45006d2c00441b" -).map(colors); +defaultLocale({ + dateTime: "%x, %X", + date: "%-m/%-d/%Y", + time: "%-I:%M:%S %p", + periods: ["AM", "PM"], + days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], + shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], + months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], + shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"] +}); -var BuGn = ramp(scheme$9); +function defaultLocale(definition) { + locale = formatLocale(definition); + exports.timeFormat = locale.format; + exports.timeParse = locale.parse; + exports.utcFormat = locale.utcFormat; + exports.utcParse = locale.utcParse; + return locale; +} -var scheme$a = new Array(3).concat( - "e0ecf49ebcda8856a7", - "edf8fbb3cde38c96c688419d", - "edf8fbb3cde38c96c68856a7810f7c", - "edf8fbbfd3e69ebcda8c96c68856a7810f7c", - "edf8fbbfd3e69ebcda8c96c68c6bb188419d6e016b", - "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d6e016b", - "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d810f7c4d004b" -).map(colors); +var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; -var BuPu = ramp(scheme$a); +function formatIsoNative(date) { + return date.toISOString(); +} -var scheme$b = new Array(3).concat( - "e0f3dba8ddb543a2ca", - "f0f9e8bae4bc7bccc42b8cbe", - "f0f9e8bae4bc7bccc443a2ca0868ac", - "f0f9e8ccebc5a8ddb57bccc443a2ca0868ac", - "f0f9e8ccebc5a8ddb57bccc44eb3d32b8cbe08589e", - "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe08589e", - "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe0868ac084081" -).map(colors); +var formatIso = Date.prototype.toISOString + ? formatIsoNative + : exports.utcFormat(isoSpecifier); -var GnBu = ramp(scheme$b); +function parseIsoNative(string) { + var date = new Date(string); + return isNaN(date) ? null : date; +} -var scheme$c = new Array(3).concat( - "fee8c8fdbb84e34a33", - "fef0d9fdcc8afc8d59d7301f", - "fef0d9fdcc8afc8d59e34a33b30000", - "fef0d9fdd49efdbb84fc8d59e34a33b30000", - "fef0d9fdd49efdbb84fc8d59ef6548d7301f990000", - "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301f990000", - "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301fb300007f0000" -).map(colors); +var parseIso = +new Date("2000-01-01T00:00:00.000Z") + ? parseIsoNative + : exports.utcParse(isoSpecifier); -var OrRd = ramp(scheme$c); +var durationSecond = 1000, + durationMinute = durationSecond * 60, + durationHour = durationMinute * 60, + durationDay = durationHour * 24, + durationWeek = durationDay * 7, + durationMonth = durationDay * 30, + durationYear = durationDay * 365; -var scheme$d = new Array(3).concat( - "ece2f0a6bddb1c9099", - "f6eff7bdc9e167a9cf02818a", - "f6eff7bdc9e167a9cf1c9099016c59", - "f6eff7d0d1e6a6bddb67a9cf1c9099016c59", - "f6eff7d0d1e6a6bddb67a9cf3690c002818a016450", - "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016450", - "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016c59014636" -).map(colors); +function date(t) { + return new Date(t); +} -var PuBuGn = ramp(scheme$d); +function number(t) { + return t instanceof Date ? +t : +new Date(+t); +} -var scheme$e = new Array(3).concat( - "ece7f2a6bddb2b8cbe", - "f1eef6bdc9e174a9cf0570b0", - "f1eef6bdc9e174a9cf2b8cbe045a8d", - "f1eef6d0d1e6a6bddb74a9cf2b8cbe045a8d", - "f1eef6d0d1e6a6bddb74a9cf3690c00570b0034e7b", - "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0034e7b", - "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0045a8d023858" -).map(colors); +function calendar(year, month, week, day, hour, minute, second, millisecond, format) { + var scale = continuous(), + invert = scale.invert, + domain = scale.domain; -var PuBu = ramp(scheme$e); + var formatMillisecond = format(".%L"), + formatSecond = format(":%S"), + formatMinute = format("%I:%M"), + formatHour = format("%I %p"), + formatDay = format("%a %d"), + formatWeek = format("%b %d"), + formatMonth = format("%B"), + formatYear = format("%Y"); -var scheme$f = new Array(3).concat( - "e7e1efc994c7dd1c77", - "f1eef6d7b5d8df65b0ce1256", - "f1eef6d7b5d8df65b0dd1c77980043", - "f1eef6d4b9dac994c7df65b0dd1c77980043", - "f1eef6d4b9dac994c7df65b0e7298ace125691003f", - "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125691003f", - "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125698004367001f" -).map(colors); + var tickIntervals = [ + [second, 1, durationSecond], + [second, 5, 5 * durationSecond], + [second, 15, 15 * durationSecond], + [second, 30, 30 * durationSecond], + [minute, 1, durationMinute], + [minute, 5, 5 * durationMinute], + [minute, 15, 15 * durationMinute], + [minute, 30, 30 * durationMinute], + [ hour, 1, durationHour ], + [ hour, 3, 3 * durationHour ], + [ hour, 6, 6 * durationHour ], + [ hour, 12, 12 * durationHour ], + [ day, 1, durationDay ], + [ day, 2, 2 * durationDay ], + [ week, 1, durationWeek ], + [ month, 1, durationMonth ], + [ month, 3, 3 * durationMonth ], + [ year, 1, durationYear ] + ]; -var PuRd = ramp(scheme$f); + function tickFormat(date) { + return (second(date) < date ? formatMillisecond + : minute(date) < date ? formatSecond + : hour(date) < date ? formatMinute + : day(date) < date ? formatHour + : month(date) < date ? (week(date) < date ? formatDay : formatWeek) + : year(date) < date ? formatMonth + : formatYear)(date); + } -var scheme$g = new Array(3).concat( - "fde0ddfa9fb5c51b8a", - "feebe2fbb4b9f768a1ae017e", - "feebe2fbb4b9f768a1c51b8a7a0177", - "feebe2fcc5c0fa9fb5f768a1c51b8a7a0177", - "feebe2fcc5c0fa9fb5f768a1dd3497ae017e7a0177", - "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a0177", - "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a017749006a" -).map(colors); + function tickInterval(interval, start, stop) { + if (interval == null) interval = 10; -var RdPu = ramp(scheme$g); + // If a desired tick count is specified, pick a reasonable tick interval + // based on the extent of the domain and a rough estimate of tick size. + // Otherwise, assume interval is already a time interval and use it. + if (typeof interval === "number") { + var target = Math.abs(stop - start) / interval, + i = bisector(function(i) { return i[2]; }).right(tickIntervals, target), + step; + if (i === tickIntervals.length) { + step = tickStep(start / durationYear, stop / durationYear, interval); + interval = year; + } else if (i) { + i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; + step = i[1]; + interval = i[0]; + } else { + step = Math.max(tickStep(start, stop, interval), 1); + interval = millisecond; + } + return interval.every(step); + } -var scheme$h = new Array(3).concat( - "edf8b17fcdbb2c7fb8", - "ffffcca1dab441b6c4225ea8", - "ffffcca1dab441b6c42c7fb8253494", - "ffffccc7e9b47fcdbb41b6c42c7fb8253494", - "ffffccc7e9b47fcdbb41b6c41d91c0225ea80c2c84", - "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea80c2c84", - "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea8253494081d58" -).map(colors); + return interval; + } -var YlGnBu = ramp(scheme$h); + scale.invert = function(y) { + return new Date(invert(y)); + }; -var scheme$i = new Array(3).concat( - "f7fcb9addd8e31a354", - "ffffccc2e69978c679238443", - "ffffccc2e69978c67931a354006837", - "ffffccd9f0a3addd8e78c67931a354006837", - "ffffccd9f0a3addd8e78c67941ab5d238443005a32", - "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443005a32", - "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443006837004529" -).map(colors); + scale.domain = function(_) { + return arguments.length ? domain(Array.from(_, number)) : domain().map(date); + }; -var YlGn = ramp(scheme$i); + scale.ticks = function(interval) { + var d = domain(), + t0 = d[0], + t1 = d[d.length - 1], + r = t1 < t0, + t; + if (r) t = t0, t0 = t1, t1 = t; + t = tickInterval(interval, t0, t1); + t = t ? t.range(t0, t1 + 1) : []; // inclusive stop + return r ? t.reverse() : t; + }; -var scheme$j = new Array(3).concat( - "fff7bcfec44fd95f0e", - "ffffd4fed98efe9929cc4c02", - "ffffd4fed98efe9929d95f0e993404", - "ffffd4fee391fec44ffe9929d95f0e993404", - "ffffd4fee391fec44ffe9929ec7014cc4c028c2d04", - "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c028c2d04", - "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c02993404662506" -).map(colors); + scale.tickFormat = function(count, specifier) { + return specifier == null ? tickFormat : format(specifier); + }; -var YlOrBr = ramp(scheme$j); + scale.nice = function(interval) { + var d = domain(); + return (interval = tickInterval(interval, d[0], d[d.length - 1])) + ? domain(nice(d, interval)) + : scale; + }; -var scheme$k = new Array(3).concat( - "ffeda0feb24cf03b20", - "ffffb2fecc5cfd8d3ce31a1c", - "ffffb2fecc5cfd8d3cf03b20bd0026", - "ffffb2fed976feb24cfd8d3cf03b20bd0026", - "ffffb2fed976feb24cfd8d3cfc4e2ae31a1cb10026", - "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cb10026", - "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cbd0026800026" -).map(colors); + scale.copy = function() { + return copy$1(scale, calendar(year, month, week, day, hour, minute, second, millisecond, format)); + }; -var YlOrRd = ramp(scheme$k); + return scale; +} -var scheme$l = new Array(3).concat( - "deebf79ecae13182bd", - "eff3ffbdd7e76baed62171b5", - "eff3ffbdd7e76baed63182bd08519c", - "eff3ffc6dbef9ecae16baed63182bd08519c", - "eff3ffc6dbef9ecae16baed64292c62171b5084594", - "f7fbffdeebf7c6dbef9ecae16baed64292c62171b5084594", - "f7fbffdeebf7c6dbef9ecae16baed64292c62171b508519c08306b" -).map(colors); +function time() { + return initRange.apply(calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments); +} -var Blues = ramp(scheme$l); +function utcTime() { + return initRange.apply(calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]), arguments); +} -var scheme$m = new Array(3).concat( - "e5f5e0a1d99b31a354", - "edf8e9bae4b374c476238b45", - "edf8e9bae4b374c47631a354006d2c", - "edf8e9c7e9c0a1d99b74c47631a354006d2c", - "edf8e9c7e9c0a1d99b74c47641ab5d238b45005a32", - "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45005a32", - "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45006d2c00441b" -).map(colors); +function transformer$1() { + var x0 = 0, + x1 = 1, + t0, + t1, + k10, + transform, + interpolator = identity$3, + clamp = false, + unknown; -var Greens = ramp(scheme$m); + function scale(x) { + return x == null || isNaN(x = +x) ? unknown : interpolator(k10 === 0 ? 0.5 : (x = (transform(x) - t0) * k10, clamp ? Math.max(0, Math.min(1, x)) : x)); + } -var scheme$n = new Array(3).concat( - "f0f0f0bdbdbd636363", - "f7f7f7cccccc969696525252", - "f7f7f7cccccc969696636363252525", - "f7f7f7d9d9d9bdbdbd969696636363252525", - "f7f7f7d9d9d9bdbdbd969696737373525252252525", - "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525", - "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525000000" -).map(colors); + scale.domain = function(_) { + return arguments.length ? ([x0, x1] = _, t0 = transform(x0 = +x0), t1 = transform(x1 = +x1), k10 = t0 === t1 ? 0 : 1 / (t1 - t0), scale) : [x0, x1]; + }; -var Greys = ramp(scheme$n); + scale.clamp = function(_) { + return arguments.length ? (clamp = !!_, scale) : clamp; + }; -var scheme$o = new Array(3).concat( - "efedf5bcbddc756bb1", - "f2f0f7cbc9e29e9ac86a51a3", - "f2f0f7cbc9e29e9ac8756bb154278f", - "f2f0f7dadaebbcbddc9e9ac8756bb154278f", - "f2f0f7dadaebbcbddc9e9ac8807dba6a51a34a1486", - "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a34a1486", - "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a354278f3f007d" -).map(colors); + scale.interpolator = function(_) { + return arguments.length ? (interpolator = _, scale) : interpolator; + }; -var Purples = ramp(scheme$o); + function range(interpolate) { + return function(_) { + var r0, r1; + return arguments.length ? ([r0, r1] = _, interpolator = interpolate(r0, r1), scale) : [interpolator(0), interpolator(1)]; + }; + } -var scheme$p = new Array(3).concat( - "fee0d2fc9272de2d26", - "fee5d9fcae91fb6a4acb181d", - "fee5d9fcae91fb6a4ade2d26a50f15", - "fee5d9fcbba1fc9272fb6a4ade2d26a50f15", - "fee5d9fcbba1fc9272fb6a4aef3b2ccb181d99000d", - "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181d99000d", - "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181da50f1567000d" -).map(colors); + scale.range = range(interpolate$2); -var Reds = ramp(scheme$p); + scale.rangeRound = range(interpolateRound); -var scheme$q = new Array(3).concat( - "fee6cefdae6be6550d", - "feeddefdbe85fd8d3cd94701", - "feeddefdbe85fd8d3ce6550da63603", - "feeddefdd0a2fdae6bfd8d3ce6550da63603", - "feeddefdd0a2fdae6bfd8d3cf16913d948018c2d04", - "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d948018c2d04", - "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d94801a636037f2704" -).map(colors); + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; -var Oranges = ramp(scheme$q); + return function(t) { + transform = t, t0 = t(x0), t1 = t(x1), k10 = t0 === t1 ? 0 : 1 / (t1 - t0); + return scale; + }; +} -function cividis(t) { - t = Math.max(0, Math.min(1, t)); - return "rgb(" - + Math.max(0, Math.min(255, Math.round(-4.54 - t * (35.34 - t * (2381.73 - t * (6402.7 - t * (7024.72 - t * 2710.57))))))) + ", " - + Math.max(0, Math.min(255, Math.round(32.49 + t * (170.73 + t * (52.82 - t * (131.46 - t * (176.58 - t * 67.37))))))) + ", " - + Math.max(0, Math.min(255, Math.round(81.24 + t * (442.36 - t * (2482.43 - t * (6167.24 - t * (6614.94 - t * 2475.67))))))) - + ")"; +function copy(source, target) { + return target + .domain(source.domain()) + .interpolator(source.interpolator()) + .clamp(source.clamp()) + .unknown(source.unknown()); } -var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); +function sequential() { + var scale = linearish(transformer$1()(identity$3)); -var warm = cubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); + scale.copy = function() { + return copy(scale, sequential()); + }; -var cool = cubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); + return initInterpolator.apply(scale, arguments); +} -var c = cubehelix(); +function sequentialLog() { + var scale = loggish(transformer$1()).domain([1, 10]); -function rainbow(t) { - if (t < 0 || t > 1) t -= Math.floor(t); - var ts = Math.abs(t - 0.5); - c.h = 360 * t - 100; - c.s = 1.5 - 1.5 * ts; - c.l = 0.8 - 0.9 * ts; - return c + ""; + scale.copy = function() { + return copy(scale, sequentialLog()).base(scale.base()); + }; + + return initInterpolator.apply(scale, arguments); } -var c$1 = rgb(), - pi_1_3 = Math.PI / 3, - pi_2_3 = Math.PI * 2 / 3; +function sequentialSymlog() { + var scale = symlogish(transformer$1()); -function sinebow(t) { - var x; - t = (0.5 - t) * Math.PI; - c$1.r = 255 * (x = Math.sin(t)) * x; - c$1.g = 255 * (x = Math.sin(t + pi_1_3)) * x; - c$1.b = 255 * (x = Math.sin(t + pi_2_3)) * x; - return c$1 + ""; -} + scale.copy = function() { + return copy(scale, sequentialSymlog()).constant(scale.constant()); + }; -function turbo(t) { - t = Math.max(0, Math.min(1, t)); - return "rgb(" - + Math.max(0, Math.min(255, Math.round(34.61 + t * (1172.33 - t * (10793.56 - t * (33300.12 - t * (38394.49 - t * 14825.05))))))) + ", " - + Math.max(0, Math.min(255, Math.round(23.31 + t * (557.33 + t * (1225.33 - t * (3574.96 - t * (1073.77 + t * 707.56))))))) + ", " - + Math.max(0, Math.min(255, Math.round(27.2 + t * (3211.1 - t * (15327.97 - t * (27814 - t * (22569.18 - t * 6838.66))))))) - + ")"; + return initInterpolator.apply(scale, arguments); } -function ramp$1(range) { - var n = range.length; - return function(t) { - return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; +function sequentialPow() { + var scale = powish(transformer$1()); + + scale.copy = function() { + return copy(scale, sequentialPow()).exponent(scale.exponent()); }; + + return initInterpolator.apply(scale, arguments); +} + +function sequentialSqrt() { + return sequentialPow.apply(null, arguments).exponent(0.5); } -var viridis = ramp$1(colors("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")); +function sequentialQuantile() { + var domain = [], + interpolator = identity$3; + + function scale(x) { + if (x != null && !isNaN(x = +x)) return interpolator((bisectRight(domain, x, 1) - 1) / (domain.length - 1)); + } + + scale.domain = function(_) { + if (!arguments.length) return domain.slice(); + domain = []; + for (let d of _) if (d != null && !isNaN(d = +d)) domain.push(d); + domain.sort(ascending$3); + return scale; + }; -var magma = ramp$1(colors("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")); + scale.interpolator = function(_) { + return arguments.length ? (interpolator = _, scale) : interpolator; + }; -var inferno = ramp$1(colors("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")); + scale.range = function() { + return domain.map((d, i) => interpolator(i / (domain.length - 1))); + }; -var plasma = ramp$1(colors("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")); + scale.quantiles = function(n) { + return Array.from({length: n + 1}, (_, i) => quantile$1(domain, i / n)); + }; -function constant$b(x) { - return function constant() { - return x; + scale.copy = function() { + return sequentialQuantile(interpolator).domain(domain); }; + + return initInterpolator.apply(scale, arguments); } -var abs$1 = Math.abs; -var atan2$1 = Math.atan2; -var cos$2 = Math.cos; -var max$2 = Math.max; -var min$1 = Math.min; -var sin$2 = Math.sin; -var sqrt$2 = Math.sqrt; +function transformer() { + var x0 = 0, + x1 = 0.5, + x2 = 1, + s = 1, + t0, + t1, + t2, + k10, + k21, + interpolator = identity$3, + transform, + clamp = false, + unknown; + + function scale(x) { + return isNaN(x = +x) ? unknown : (x = 0.5 + ((x = +transform(x)) - t1) * (s * x < s * t1 ? k10 : k21), interpolator(clamp ? Math.max(0, Math.min(1, x)) : x)); + } -var epsilon$3 = 1e-12; -var pi$4 = Math.PI; -var halfPi$3 = pi$4 / 2; -var tau$4 = 2 * pi$4; + scale.domain = function(_) { + return arguments.length ? ([x0, x1, x2] = _, t0 = transform(x0 = +x0), t1 = transform(x1 = +x1), t2 = transform(x2 = +x2), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1), s = t1 < t0 ? -1 : 1, scale) : [x0, x1, x2]; + }; -function acos$1(x) { - return x > 1 ? 0 : x < -1 ? pi$4 : Math.acos(x); -} + scale.clamp = function(_) { + return arguments.length ? (clamp = !!_, scale) : clamp; + }; -function asin$1(x) { - return x >= 1 ? halfPi$3 : x <= -1 ? -halfPi$3 : Math.asin(x); -} + scale.interpolator = function(_) { + return arguments.length ? (interpolator = _, scale) : interpolator; + }; -function arcInnerRadius(d) { - return d.innerRadius; -} + function range(interpolate) { + return function(_) { + var r0, r1, r2; + return arguments.length ? ([r0, r1, r2] = _, interpolator = piecewise(interpolate, [r0, r1, r2]), scale) : [interpolator(0), interpolator(0.5), interpolator(1)]; + }; + } -function arcOuterRadius(d) { - return d.outerRadius; -} + scale.range = range(interpolate$2); -function arcStartAngle(d) { - return d.startAngle; + scale.rangeRound = range(interpolateRound); + + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + + return function(t) { + transform = t, t0 = t(x0), t1 = t(x1), t2 = t(x2), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1), s = t1 < t0 ? -1 : 1; + return scale; + }; } -function arcEndAngle(d) { - return d.endAngle; -} +function diverging$1() { + var scale = linearish(transformer()(identity$3)); -function arcPadAngle(d) { - return d && d.padAngle; // Note: optional! -} + scale.copy = function() { + return copy(scale, diverging$1()); + }; -function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { - var x10 = x1 - x0, y10 = y1 - y0, - x32 = x3 - x2, y32 = y3 - y2, - t = y32 * x10 - x32 * y10; - if (t * t < epsilon$3) return; - t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / t; - return [x0 + t * x10, y0 + t * y10]; + return initInterpolator.apply(scale, arguments); } -// Compute perpendicular offset line of length rc. -// http://mathworld.wolfram.com/Circle-LineIntersection.html -function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { - var x01 = x0 - x1, - y01 = y0 - y1, - lo = (cw ? rc : -rc) / sqrt$2(x01 * x01 + y01 * y01), - ox = lo * y01, - oy = -lo * x01, - x11 = x0 + ox, - y11 = y0 + oy, - x10 = x1 + ox, - y10 = y1 + oy, - x00 = (x11 + x10) / 2, - y00 = (y11 + y10) / 2, - dx = x10 - x11, - dy = y10 - y11, - d2 = dx * dx + dy * dy, - r = r1 - rc, - D = x11 * y10 - x10 * y11, - d = (dy < 0 ? -1 : 1) * sqrt$2(max$2(0, r * r * d2 - D * D)), - cx0 = (D * dy - dx * d) / d2, - cy0 = (-D * dx - dy * d) / d2, - cx1 = (D * dy + dx * d) / d2, - cy1 = (-D * dx + dy * d) / d2, - dx0 = cx0 - x00, - dy0 = cy0 - y00, - dx1 = cx1 - x00, - dy1 = cy1 - y00; - - // Pick the closer of the two intersection points. - // TODO Is there a faster way to determine which intersection to use? - if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; +function divergingLog() { + var scale = loggish(transformer()).domain([0.1, 1, 10]); - return { - cx: cx0, - cy: cy0, - x01: -ox, - y01: -oy, - x11: cx0 * (r1 / r - 1), - y11: cy0 * (r1 / r - 1) + scale.copy = function() { + return copy(scale, divergingLog()).base(scale.base()); }; + + return initInterpolator.apply(scale, arguments); } -function arc() { - var innerRadius = arcInnerRadius, - outerRadius = arcOuterRadius, - cornerRadius = constant$b(0), - padRadius = null, - startAngle = arcStartAngle, - endAngle = arcEndAngle, - padAngle = arcPadAngle, - context = null; +function divergingSymlog() { + var scale = symlogish(transformer()); - function arc() { - var buffer, - r, - r0 = +innerRadius.apply(this, arguments), - r1 = +outerRadius.apply(this, arguments), - a0 = startAngle.apply(this, arguments) - halfPi$3, - a1 = endAngle.apply(this, arguments) - halfPi$3, - da = abs$1(a1 - a0), - cw = a1 > a0; + scale.copy = function() { + return copy(scale, divergingSymlog()).constant(scale.constant()); + }; - if (!context) context = buffer = path(); + return initInterpolator.apply(scale, arguments); +} - // Ensure that the outer radius is always larger than the inner radius. - if (r1 < r0) r = r1, r1 = r0, r0 = r; +function divergingPow() { + var scale = powish(transformer()); - // Is it a point? - if (!(r1 > epsilon$3)) context.moveTo(0, 0); + scale.copy = function() { + return copy(scale, divergingPow()).exponent(scale.exponent()); + }; - // Or is it a circle or annulus? - else if (da > tau$4 - epsilon$3) { - context.moveTo(r1 * cos$2(a0), r1 * sin$2(a0)); - context.arc(0, 0, r1, a0, a1, !cw); - if (r0 > epsilon$3) { - context.moveTo(r0 * cos$2(a1), r0 * sin$2(a1)); - context.arc(0, 0, r0, a1, a0, cw); - } - } + return initInterpolator.apply(scale, arguments); +} - // Or is it a circular or annular sector? - else { - var a01 = a0, - a11 = a1, - a00 = a0, - a10 = a1, - da0 = da, - da1 = da, - ap = padAngle.apply(this, arguments) / 2, - rp = (ap > epsilon$3) && (padRadius ? +padRadius.apply(this, arguments) : sqrt$2(r0 * r0 + r1 * r1)), - rc = min$1(abs$1(r1 - r0) / 2, +cornerRadius.apply(this, arguments)), - rc0 = rc, - rc1 = rc, - t0, - t1; +function divergingSqrt() { + return divergingPow.apply(null, arguments).exponent(0.5); +} - // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0. - if (rp > epsilon$3) { - var p0 = asin$1(rp / r0 * sin$2(ap)), - p1 = asin$1(rp / r1 * sin$2(ap)); - if ((da0 -= p0 * 2) > epsilon$3) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0; - else da0 = 0, a00 = a10 = (a0 + a1) / 2; - if ((da1 -= p1 * 2) > epsilon$3) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1; - else da1 = 0, a01 = a11 = (a0 + a1) / 2; - } +function colors(specifier) { + var n = specifier.length / 6 | 0, colors = new Array(n), i = 0; + while (i < n) colors[i] = "#" + specifier.slice(i * 6, ++i * 6); + return colors; +} - var x01 = r1 * cos$2(a01), - y01 = r1 * sin$2(a01), - x10 = r0 * cos$2(a10), - y10 = r0 * sin$2(a10); +var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); - // Apply rounded corners? - if (rc > epsilon$3) { - var x11 = r1 * cos$2(a11), - y11 = r1 * sin$2(a11), - x00 = r0 * cos$2(a00), - y00 = r0 * sin$2(a00), - oc; +var Accent = colors("7fc97fbeaed4fdc086ffff99386cb0f0027fbf5b17666666"); - // Restrict the corner radius according to the sector angle. - if (da < pi$4 && (oc = intersect(x01, y01, x00, y00, x11, y11, x10, y10))) { - var ax = x01 - oc[0], - ay = y01 - oc[1], - bx = x11 - oc[0], - by = y11 - oc[1], - kc = 1 / sin$2(acos$1((ax * bx + ay * by) / (sqrt$2(ax * ax + ay * ay) * sqrt$2(bx * bx + by * by))) / 2), - lc = sqrt$2(oc[0] * oc[0] + oc[1] * oc[1]); - rc0 = min$1(rc, (r0 - lc) / (kc - 1)); - rc1 = min$1(rc, (r1 - lc) / (kc + 1)); - } - } +var Dark2 = colors("1b9e77d95f027570b3e7298a66a61ee6ab02a6761d666666"); - // Is the sector collapsed to a line? - if (!(da1 > epsilon$3)) context.moveTo(x01, y01); +var Paired = colors("a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00cab2d66a3d9affff99b15928"); - // Does the sector’s outer ring have rounded corners? - else if (rc1 > epsilon$3) { - t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw); - t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw); +var Pastel1 = colors("fbb4aeb3cde3ccebc5decbe4fed9a6ffffcce5d8bdfddaecf2f2f2"); - context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01); +var Pastel2 = colors("b3e2cdfdcdaccbd5e8f4cae4e6f5c9fff2aef1e2cccccccc"); - // Have the corners merged? - if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, atan2$1(t0.y01, t0.x01), atan2$1(t1.y01, t1.x01), !cw); +var Set1 = colors("e41a1c377eb84daf4a984ea3ff7f00ffff33a65628f781bf999999"); - // Otherwise, draw the two corners and the ring. - else { - context.arc(t0.cx, t0.cy, rc1, atan2$1(t0.y01, t0.x01), atan2$1(t0.y11, t0.x11), !cw); - context.arc(0, 0, r1, atan2$1(t0.cy + t0.y11, t0.cx + t0.x11), atan2$1(t1.cy + t1.y11, t1.cx + t1.x11), !cw); - context.arc(t1.cx, t1.cy, rc1, atan2$1(t1.y11, t1.x11), atan2$1(t1.y01, t1.x01), !cw); - } - } +var Set2 = colors("66c2a5fc8d628da0cbe78ac3a6d854ffd92fe5c494b3b3b3"); - // Or is the outer ring just a circular arc? - else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw); +var Set3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5ffed6f"); - // Is there no inner ring, and it’s a circular sector? - // Or perhaps it’s an annular sector collapsed due to padding? - if (!(r0 > epsilon$3) || !(da0 > epsilon$3)) context.lineTo(x10, y10); +var Tableau10 = colors("4e79a7f28e2ce1575976b7b259a14fedc949af7aa1ff9da79c755fbab0ab"); - // Does the sector’s inner ring (or point) have rounded corners? - else if (rc0 > epsilon$3) { - t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw); - t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw); +var ramp$1 = scheme => rgbBasis(scheme[scheme.length - 1]); - context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01); +var scheme$q = new Array(3).concat( + "d8b365f5f5f55ab4ac", + "a6611adfc27d80cdc1018571", + "a6611adfc27df5f5f580cdc1018571", + "8c510ad8b365f6e8c3c7eae55ab4ac01665e", + "8c510ad8b365f6e8c3f5f5f5c7eae55ab4ac01665e", + "8c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e", + "8c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e", + "5430058c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e003c30", + "5430058c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e003c30" +).map(colors); - // Have the corners merged? - if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, atan2$1(t0.y01, t0.x01), atan2$1(t1.y01, t1.x01), !cw); +var BrBG = ramp$1(scheme$q); - // Otherwise, draw the two corners and the ring. - else { - context.arc(t0.cx, t0.cy, rc0, atan2$1(t0.y01, t0.x01), atan2$1(t0.y11, t0.x11), !cw); - context.arc(0, 0, r0, atan2$1(t0.cy + t0.y11, t0.cx + t0.x11), atan2$1(t1.cy + t1.y11, t1.cx + t1.x11), cw); - context.arc(t1.cx, t1.cy, rc0, atan2$1(t1.y11, t1.x11), atan2$1(t1.y01, t1.x01), !cw); - } - } +var scheme$p = new Array(3).concat( + "af8dc3f7f7f77fbf7b", + "7b3294c2a5cfa6dba0008837", + "7b3294c2a5cff7f7f7a6dba0008837", + "762a83af8dc3e7d4e8d9f0d37fbf7b1b7837", + "762a83af8dc3e7d4e8f7f7f7d9f0d37fbf7b1b7837", + "762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b7837", + "762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b7837", + "40004b762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b783700441b", + "40004b762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b783700441b" +).map(colors); - // Or is the inner ring just a circular arc? - else context.arc(0, 0, r0, a10, a00, cw); - } +var PRGn = ramp$1(scheme$p); - context.closePath(); +var scheme$o = new Array(3).concat( + "e9a3c9f7f7f7a1d76a", + "d01c8bf1b6dab8e1864dac26", + "d01c8bf1b6daf7f7f7b8e1864dac26", + "c51b7de9a3c9fde0efe6f5d0a1d76a4d9221", + "c51b7de9a3c9fde0eff7f7f7e6f5d0a1d76a4d9221", + "c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221", + "c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221", + "8e0152c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221276419", + "8e0152c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221276419" +).map(colors); - if (buffer) return context = null, buffer + "" || null; - } +var PiYG = ramp$1(scheme$o); - arc.centroid = function() { - var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, - a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi$4 / 2; - return [cos$2(a) * r, sin$2(a) * r]; - }; +var scheme$n = new Array(3).concat( + "998ec3f7f7f7f1a340", + "5e3c99b2abd2fdb863e66101", + "5e3c99b2abd2f7f7f7fdb863e66101", + "542788998ec3d8daebfee0b6f1a340b35806", + "542788998ec3d8daebf7f7f7fee0b6f1a340b35806", + "5427888073acb2abd2d8daebfee0b6fdb863e08214b35806", + "5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b35806", + "2d004b5427888073acb2abd2d8daebfee0b6fdb863e08214b358067f3b08", + "2d004b5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b358067f3b08" +).map(colors); - arc.innerRadius = function(_) { - return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$b(+_), arc) : innerRadius; - }; +var PuOr = ramp$1(scheme$n); - arc.outerRadius = function(_) { - return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$b(+_), arc) : outerRadius; - }; +var scheme$m = new Array(3).concat( + "ef8a62f7f7f767a9cf", + "ca0020f4a58292c5de0571b0", + "ca0020f4a582f7f7f792c5de0571b0", + "b2182bef8a62fddbc7d1e5f067a9cf2166ac", + "b2182bef8a62fddbc7f7f7f7d1e5f067a9cf2166ac", + "b2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac", + "b2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac", + "67001fb2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac053061", + "67001fb2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac053061" +).map(colors); - arc.cornerRadius = function(_) { - return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$b(+_), arc) : cornerRadius; - }; +var RdBu = ramp$1(scheme$m); - arc.padRadius = function(_) { - return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$b(+_), arc) : padRadius; - }; +var scheme$l = new Array(3).concat( + "ef8a62ffffff999999", + "ca0020f4a582bababa404040", + "ca0020f4a582ffffffbababa404040", + "b2182bef8a62fddbc7e0e0e09999994d4d4d", + "b2182bef8a62fddbc7ffffffe0e0e09999994d4d4d", + "b2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d", + "b2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d", + "67001fb2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d1a1a1a", + "67001fb2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d1a1a1a" +).map(colors); - arc.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$b(+_), arc) : startAngle; - }; +var RdGy = ramp$1(scheme$l); - arc.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$b(+_), arc) : endAngle; - }; +var scheme$k = new Array(3).concat( + "fc8d59ffffbf91bfdb", + "d7191cfdae61abd9e92c7bb6", + "d7191cfdae61ffffbfabd9e92c7bb6", + "d73027fc8d59fee090e0f3f891bfdb4575b4", + "d73027fc8d59fee090ffffbfe0f3f891bfdb4575b4", + "d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4", + "d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4", + "a50026d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4313695", + "a50026d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4313695" +).map(colors); + +var RdYlBu = ramp$1(scheme$k); + +var scheme$j = new Array(3).concat( + "fc8d59ffffbf91cf60", + "d7191cfdae61a6d96a1a9641", + "d7191cfdae61ffffbfa6d96a1a9641", + "d73027fc8d59fee08bd9ef8b91cf601a9850", + "d73027fc8d59fee08bffffbfd9ef8b91cf601a9850", + "d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850", + "d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850", + "a50026d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850006837", + "a50026d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850006837" +).map(colors); - arc.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$b(+_), arc) : padAngle; - }; +var RdYlGn = ramp$1(scheme$j); - arc.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), arc) : context; - }; +var scheme$i = new Array(3).concat( + "fc8d59ffffbf99d594", + "d7191cfdae61abdda42b83ba", + "d7191cfdae61ffffbfabdda42b83ba", + "d53e4ffc8d59fee08be6f59899d5943288bd", + "d53e4ffc8d59fee08bffffbfe6f59899d5943288bd", + "d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd", + "d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd", + "9e0142d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd5e4fa2", + "9e0142d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd5e4fa2" +).map(colors); - return arc; -} +var Spectral = ramp$1(scheme$i); -function Linear(context) { - this._context = context; -} +var scheme$h = new Array(3).concat( + "e5f5f999d8c92ca25f", + "edf8fbb2e2e266c2a4238b45", + "edf8fbb2e2e266c2a42ca25f006d2c", + "edf8fbccece699d8c966c2a42ca25f006d2c", + "edf8fbccece699d8c966c2a441ae76238b45005824", + "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45005824", + "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45006d2c00441b" +).map(colors); -Linear.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed - default: this._context.lineTo(x, y); break; - } - } -}; +var BuGn = ramp$1(scheme$h); -function curveLinear(context) { - return new Linear(context); -} +var scheme$g = new Array(3).concat( + "e0ecf49ebcda8856a7", + "edf8fbb3cde38c96c688419d", + "edf8fbb3cde38c96c68856a7810f7c", + "edf8fbbfd3e69ebcda8c96c68856a7810f7c", + "edf8fbbfd3e69ebcda8c96c68c6bb188419d6e016b", + "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d6e016b", + "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d810f7c4d004b" +).map(colors); -function x$3(p) { - return p[0]; -} +var BuPu = ramp$1(scheme$g); -function y$3(p) { - return p[1]; -} +var scheme$f = new Array(3).concat( + "e0f3dba8ddb543a2ca", + "f0f9e8bae4bc7bccc42b8cbe", + "f0f9e8bae4bc7bccc443a2ca0868ac", + "f0f9e8ccebc5a8ddb57bccc443a2ca0868ac", + "f0f9e8ccebc5a8ddb57bccc44eb3d32b8cbe08589e", + "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe08589e", + "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe0868ac084081" +).map(colors); -function line() { - var x = x$3, - y = y$3, - defined = constant$b(true), - context = null, - curve = curveLinear, - output = null; +var GnBu = ramp$1(scheme$f); - function line(data) { - var i, - n = data.length, - d, - defined0 = false, - buffer; +var scheme$e = new Array(3).concat( + "fee8c8fdbb84e34a33", + "fef0d9fdcc8afc8d59d7301f", + "fef0d9fdcc8afc8d59e34a33b30000", + "fef0d9fdd49efdbb84fc8d59e34a33b30000", + "fef0d9fdd49efdbb84fc8d59ef6548d7301f990000", + "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301f990000", + "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301fb300007f0000" +).map(colors); - if (context == null) output = curve(buffer = path()); +var OrRd = ramp$1(scheme$e); - for (i = 0; i <= n; ++i) { - if (!(i < n && defined(d = data[i], i, data)) === defined0) { - if (defined0 = !defined0) output.lineStart(); - else output.lineEnd(); - } - if (defined0) output.point(+x(d, i, data), +y(d, i, data)); - } +var scheme$d = new Array(3).concat( + "ece2f0a6bddb1c9099", + "f6eff7bdc9e167a9cf02818a", + "f6eff7bdc9e167a9cf1c9099016c59", + "f6eff7d0d1e6a6bddb67a9cf1c9099016c59", + "f6eff7d0d1e6a6bddb67a9cf3690c002818a016450", + "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016450", + "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016c59014636" +).map(colors); - if (buffer) return output = null, buffer + "" || null; - } +var PuBuGn = ramp$1(scheme$d); - line.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$b(+_), line) : x; - }; +var scheme$c = new Array(3).concat( + "ece7f2a6bddb2b8cbe", + "f1eef6bdc9e174a9cf0570b0", + "f1eef6bdc9e174a9cf2b8cbe045a8d", + "f1eef6d0d1e6a6bddb74a9cf2b8cbe045a8d", + "f1eef6d0d1e6a6bddb74a9cf3690c00570b0034e7b", + "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0034e7b", + "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0045a8d023858" +).map(colors); - line.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$b(+_), line) : y; - }; +var PuBu = ramp$1(scheme$c); - line.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$b(!!_), line) : defined; - }; +var scheme$b = new Array(3).concat( + "e7e1efc994c7dd1c77", + "f1eef6d7b5d8df65b0ce1256", + "f1eef6d7b5d8df65b0dd1c77980043", + "f1eef6d4b9dac994c7df65b0dd1c77980043", + "f1eef6d4b9dac994c7df65b0e7298ace125691003f", + "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125691003f", + "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125698004367001f" +).map(colors); - line.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; - }; +var PuRd = ramp$1(scheme$b); - line.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; - }; +var scheme$a = new Array(3).concat( + "fde0ddfa9fb5c51b8a", + "feebe2fbb4b9f768a1ae017e", + "feebe2fbb4b9f768a1c51b8a7a0177", + "feebe2fcc5c0fa9fb5f768a1c51b8a7a0177", + "feebe2fcc5c0fa9fb5f768a1dd3497ae017e7a0177", + "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a0177", + "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a017749006a" +).map(colors); - return line; -} +var RdPu = ramp$1(scheme$a); -function area$3() { - var x0 = x$3, - x1 = null, - y0 = constant$b(0), - y1 = y$3, - defined = constant$b(true), - context = null, - curve = curveLinear, - output = null; +var scheme$9 = new Array(3).concat( + "edf8b17fcdbb2c7fb8", + "ffffcca1dab441b6c4225ea8", + "ffffcca1dab441b6c42c7fb8253494", + "ffffccc7e9b47fcdbb41b6c42c7fb8253494", + "ffffccc7e9b47fcdbb41b6c41d91c0225ea80c2c84", + "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea80c2c84", + "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea8253494081d58" +).map(colors); - function area(data) { - var i, - j, - k, - n = data.length, - d, - defined0 = false, - buffer, - x0z = new Array(n), - y0z = new Array(n); +var YlGnBu = ramp$1(scheme$9); - if (context == null) output = curve(buffer = path()); +var scheme$8 = new Array(3).concat( + "f7fcb9addd8e31a354", + "ffffccc2e69978c679238443", + "ffffccc2e69978c67931a354006837", + "ffffccd9f0a3addd8e78c67931a354006837", + "ffffccd9f0a3addd8e78c67941ab5d238443005a32", + "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443005a32", + "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443006837004529" +).map(colors); - for (i = 0; i <= n; ++i) { - if (!(i < n && defined(d = data[i], i, data)) === defined0) { - if (defined0 = !defined0) { - j = i; - output.areaStart(); - output.lineStart(); - } else { - output.lineEnd(); - output.lineStart(); - for (k = i - 1; k >= j; --k) { - output.point(x0z[k], y0z[k]); - } - output.lineEnd(); - output.areaEnd(); - } - } - if (defined0) { - x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data); - output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]); - } - } +var YlGn = ramp$1(scheme$8); - if (buffer) return output = null, buffer + "" || null; - } +var scheme$7 = new Array(3).concat( + "fff7bcfec44fd95f0e", + "ffffd4fed98efe9929cc4c02", + "ffffd4fed98efe9929d95f0e993404", + "ffffd4fee391fec44ffe9929d95f0e993404", + "ffffd4fee391fec44ffe9929ec7014cc4c028c2d04", + "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c028c2d04", + "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c02993404662506" +).map(colors); - function arealine() { - return line().defined(defined).curve(curve).context(context); - } +var YlOrBr = ramp$1(scheme$7); - area.x = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$b(+_), x1 = null, area) : x0; - }; +var scheme$6 = new Array(3).concat( + "ffeda0feb24cf03b20", + "ffffb2fecc5cfd8d3ce31a1c", + "ffffb2fecc5cfd8d3cf03b20bd0026", + "ffffb2fed976feb24cfd8d3cf03b20bd0026", + "ffffb2fed976feb24cfd8d3cfc4e2ae31a1cb10026", + "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cb10026", + "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cbd0026800026" +).map(colors); - area.x0 = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$b(+_), area) : x0; - }; +var YlOrRd = ramp$1(scheme$6); - area.x1 = function(_) { - return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$b(+_), area) : x1; - }; +var scheme$5 = new Array(3).concat( + "deebf79ecae13182bd", + "eff3ffbdd7e76baed62171b5", + "eff3ffbdd7e76baed63182bd08519c", + "eff3ffc6dbef9ecae16baed63182bd08519c", + "eff3ffc6dbef9ecae16baed64292c62171b5084594", + "f7fbffdeebf7c6dbef9ecae16baed64292c62171b5084594", + "f7fbffdeebf7c6dbef9ecae16baed64292c62171b508519c08306b" +).map(colors); - area.y = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$b(+_), y1 = null, area) : y0; - }; +var Blues = ramp$1(scheme$5); - area.y0 = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$b(+_), area) : y0; - }; +var scheme$4 = new Array(3).concat( + "e5f5e0a1d99b31a354", + "edf8e9bae4b374c476238b45", + "edf8e9bae4b374c47631a354006d2c", + "edf8e9c7e9c0a1d99b74c47631a354006d2c", + "edf8e9c7e9c0a1d99b74c47641ab5d238b45005a32", + "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45005a32", + "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45006d2c00441b" +).map(colors); - area.y1 = function(_) { - return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$b(+_), area) : y1; - }; +var Greens = ramp$1(scheme$4); - area.lineX0 = - area.lineY0 = function() { - return arealine().x(x0).y(y0); - }; +var scheme$3 = new Array(3).concat( + "f0f0f0bdbdbd636363", + "f7f7f7cccccc969696525252", + "f7f7f7cccccc969696636363252525", + "f7f7f7d9d9d9bdbdbd969696636363252525", + "f7f7f7d9d9d9bdbdbd969696737373525252252525", + "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525", + "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525000000" +).map(colors); - area.lineY1 = function() { - return arealine().x(x0).y(y1); - }; +var Greys = ramp$1(scheme$3); - area.lineX1 = function() { - return arealine().x(x1).y(y0); - }; +var scheme$2 = new Array(3).concat( + "efedf5bcbddc756bb1", + "f2f0f7cbc9e29e9ac86a51a3", + "f2f0f7cbc9e29e9ac8756bb154278f", + "f2f0f7dadaebbcbddc9e9ac8756bb154278f", + "f2f0f7dadaebbcbddc9e9ac8807dba6a51a34a1486", + "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a34a1486", + "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a354278f3f007d" +).map(colors); - area.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$b(!!_), area) : defined; - }; +var Purples = ramp$1(scheme$2); - area.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; - }; +var scheme$1 = new Array(3).concat( + "fee0d2fc9272de2d26", + "fee5d9fcae91fb6a4acb181d", + "fee5d9fcae91fb6a4ade2d26a50f15", + "fee5d9fcbba1fc9272fb6a4ade2d26a50f15", + "fee5d9fcbba1fc9272fb6a4aef3b2ccb181d99000d", + "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181d99000d", + "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181da50f1567000d" +).map(colors); - area.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; - }; +var Reds = ramp$1(scheme$1); - return area; -} +var scheme = new Array(3).concat( + "fee6cefdae6be6550d", + "feeddefdbe85fd8d3cd94701", + "feeddefdbe85fd8d3ce6550da63603", + "feeddefdd0a2fdae6bfd8d3ce6550da63603", + "feeddefdd0a2fdae6bfd8d3cf16913d948018c2d04", + "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d948018c2d04", + "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d94801a636037f2704" +).map(colors); -function descending$1(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; -} +var Oranges = ramp$1(scheme); -function identity$8(d) { - return d; +function cividis(t) { + t = Math.max(0, Math.min(1, t)); + return "rgb(" + + Math.max(0, Math.min(255, Math.round(-4.54 - t * (35.34 - t * (2381.73 - t * (6402.7 - t * (7024.72 - t * 2710.57))))))) + ", " + + Math.max(0, Math.min(255, Math.round(32.49 + t * (170.73 + t * (52.82 - t * (131.46 - t * (176.58 - t * 67.37))))))) + ", " + + Math.max(0, Math.min(255, Math.round(81.24 + t * (442.36 - t * (2482.43 - t * (6167.24 - t * (6614.94 - t * 2475.67))))))) + + ")"; } -function pie() { - var value = identity$8, - sortValues = descending$1, - sort = null, - startAngle = constant$b(0), - endAngle = constant$b(tau$4), - padAngle = constant$b(0); - - function pie(data) { - var i, - n = data.length, - j, - k, - sum = 0, - index = new Array(n), - arcs = new Array(n), - a0 = +startAngle.apply(this, arguments), - da = Math.min(tau$4, Math.max(-tau$4, endAngle.apply(this, arguments) - a0)), - a1, - p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)), - pa = p * (da < 0 ? -1 : 1), - v; +var cubehelix = cubehelixLong(cubehelix$3(300, 0.5, 0.0), cubehelix$3(-240, 0.5, 1.0)); - for (i = 0; i < n; ++i) { - if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) { - sum += v; - } - } +var warm = cubehelixLong(cubehelix$3(-100, 0.75, 0.35), cubehelix$3(80, 1.50, 0.8)); - // Optionally sort the arcs by previously-computed values or by data. - if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); }); - else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); }); +var cool = cubehelixLong(cubehelix$3(260, 0.75, 0.35), cubehelix$3(80, 1.50, 0.8)); - // Compute the arcs! They are stored in the original data's order. - for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) { - j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = { - data: data[j], - index: i, - value: v, - startAngle: a0, - endAngle: a1, - padAngle: p - }; - } +var c$2 = cubehelix$3(); - return arcs; - } +function rainbow(t) { + if (t < 0 || t > 1) t -= Math.floor(t); + var ts = Math.abs(t - 0.5); + c$2.h = 360 * t - 100; + c$2.s = 1.5 - 1.5 * ts; + c$2.l = 0.8 - 0.9 * ts; + return c$2 + ""; +} - pie.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$b(+_), pie) : value; - }; +var c$1 = rgb(), + pi_1_3 = Math.PI / 3, + pi_2_3 = Math.PI * 2 / 3; - pie.sortValues = function(_) { - return arguments.length ? (sortValues = _, sort = null, pie) : sortValues; - }; +function sinebow(t) { + var x; + t = (0.5 - t) * Math.PI; + c$1.r = 255 * (x = Math.sin(t)) * x; + c$1.g = 255 * (x = Math.sin(t + pi_1_3)) * x; + c$1.b = 255 * (x = Math.sin(t + pi_2_3)) * x; + return c$1 + ""; +} - pie.sort = function(_) { - return arguments.length ? (sort = _, sortValues = null, pie) : sort; - }; +function turbo(t) { + t = Math.max(0, Math.min(1, t)); + return "rgb(" + + Math.max(0, Math.min(255, Math.round(34.61 + t * (1172.33 - t * (10793.56 - t * (33300.12 - t * (38394.49 - t * 14825.05))))))) + ", " + + Math.max(0, Math.min(255, Math.round(23.31 + t * (557.33 + t * (1225.33 - t * (3574.96 - t * (1073.77 + t * 707.56))))))) + ", " + + Math.max(0, Math.min(255, Math.round(27.2 + t * (3211.1 - t * (15327.97 - t * (27814 - t * (22569.18 - t * 6838.66))))))) + + ")"; +} - pie.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$b(+_), pie) : startAngle; +function ramp(range) { + var n = range.length; + return function(t) { + return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; }; +} - pie.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$b(+_), pie) : endAngle; - }; +var viridis = ramp(colors("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")); - pie.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$b(+_), pie) : padAngle; - }; +var magma = ramp(colors("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")); - return pie; -} +var inferno = ramp(colors("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")); -var curveRadialLinear = curveRadial(curveLinear); +var plasma = ramp(colors("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")); -function Radial(curve) { - this._curve = curve; +function constant$1(x) { + return function constant() { + return x; + }; } -Radial.prototype = { - areaStart: function() { - this._curve.areaStart(); - }, - areaEnd: function() { - this._curve.areaEnd(); - }, - lineStart: function() { - this._curve.lineStart(); - }, - lineEnd: function() { - this._curve.lineEnd(); - }, - point: function(a, r) { - this._curve.point(r * Math.sin(a), r * -Math.cos(a)); - } -}; +var abs = Math.abs; +var atan2 = Math.atan2; +var cos = Math.cos; +var max = Math.max; +var min = Math.min; +var sin = Math.sin; +var sqrt = Math.sqrt; -function curveRadial(curve) { +var epsilon = 1e-12; +var pi = Math.PI; +var halfPi = pi / 2; +var tau = 2 * pi; - function radial(context) { - return new Radial(curve(context)); - } +function acos(x) { + return x > 1 ? 0 : x < -1 ? pi : Math.acos(x); +} - radial._curve = curve; +function asin(x) { + return x >= 1 ? halfPi : x <= -1 ? -halfPi : Math.asin(x); +} - return radial; +function arcInnerRadius(d) { + return d.innerRadius; } -function lineRadial(l) { - var c = l.curve; +function arcOuterRadius(d) { + return d.outerRadius; +} - l.angle = l.x, delete l.x; - l.radius = l.y, delete l.y; +function arcStartAngle(d) { + return d.startAngle; +} - l.curve = function(_) { - return arguments.length ? c(curveRadial(_)) : c()._curve; - }; +function arcEndAngle(d) { + return d.endAngle; +} - return l; +function arcPadAngle(d) { + return d && d.padAngle; // Note: optional! } -function lineRadial$1() { - return lineRadial(line().curve(curveRadialLinear)); +function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { + var x10 = x1 - x0, y10 = y1 - y0, + x32 = x3 - x2, y32 = y3 - y2, + t = y32 * x10 - x32 * y10; + if (t * t < epsilon) return; + t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / t; + return [x0 + t * x10, y0 + t * y10]; } -function areaRadial() { - var a = area$3().curve(curveRadialLinear), - c = a.curve, - x0 = a.lineX0, - x1 = a.lineX1, - y0 = a.lineY0, - y1 = a.lineY1; +// Compute perpendicular offset line of length rc. +// http://mathworld.wolfram.com/Circle-LineIntersection.html +function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { + var x01 = x0 - x1, + y01 = y0 - y1, + lo = (cw ? rc : -rc) / sqrt(x01 * x01 + y01 * y01), + ox = lo * y01, + oy = -lo * x01, + x11 = x0 + ox, + y11 = y0 + oy, + x10 = x1 + ox, + y10 = y1 + oy, + x00 = (x11 + x10) / 2, + y00 = (y11 + y10) / 2, + dx = x10 - x11, + dy = y10 - y11, + d2 = dx * dx + dy * dy, + r = r1 - rc, + D = x11 * y10 - x10 * y11, + d = (dy < 0 ? -1 : 1) * sqrt(max(0, r * r * d2 - D * D)), + cx0 = (D * dy - dx * d) / d2, + cy0 = (-D * dx - dy * d) / d2, + cx1 = (D * dy + dx * d) / d2, + cy1 = (-D * dx + dy * d) / d2, + dx0 = cx0 - x00, + dy0 = cy0 - y00, + dx1 = cx1 - x00, + dy1 = cy1 - y00; - a.angle = a.x, delete a.x; - a.startAngle = a.x0, delete a.x0; - a.endAngle = a.x1, delete a.x1; - a.radius = a.y, delete a.y; - a.innerRadius = a.y0, delete a.y0; - a.outerRadius = a.y1, delete a.y1; - a.lineStartAngle = function() { return lineRadial(x0()); }, delete a.lineX0; - a.lineEndAngle = function() { return lineRadial(x1()); }, delete a.lineX1; - a.lineInnerRadius = function() { return lineRadial(y0()); }, delete a.lineY0; - a.lineOuterRadius = function() { return lineRadial(y1()); }, delete a.lineY1; + // Pick the closer of the two intersection points. + // TODO Is there a faster way to determine which intersection to use? + if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; - a.curve = function(_) { - return arguments.length ? c(curveRadial(_)) : c()._curve; + return { + cx: cx0, + cy: cy0, + x01: -ox, + y01: -oy, + x11: cx0 * (r1 / r - 1), + y11: cy0 * (r1 / r - 1) }; - - return a; -} - -function pointRadial(x, y) { - return [(y = +y) * Math.cos(x -= Math.PI / 2), y * Math.sin(x)]; -} - -var slice$6 = Array.prototype.slice; - -function linkSource(d) { - return d.source; -} - -function linkTarget(d) { - return d.target; } -function link$2(curve) { - var source = linkSource, - target = linkTarget, - x = x$3, - y = y$3, +function arc() { + var innerRadius = arcInnerRadius, + outerRadius = arcOuterRadius, + cornerRadius = constant$1(0), + padRadius = null, + startAngle = arcStartAngle, + endAngle = arcEndAngle, + padAngle = arcPadAngle, context = null; - function link() { - var buffer, argv = slice$6.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); + function arc() { + var buffer, + r, + r0 = +innerRadius.apply(this, arguments), + r1 = +outerRadius.apply(this, arguments), + a0 = startAngle.apply(this, arguments) - halfPi, + a1 = endAngle.apply(this, arguments) - halfPi, + da = abs(a1 - a0), + cw = a1 > a0; + if (!context) context = buffer = path(); - curve(context, +x.apply(this, (argv[0] = s, argv)), +y.apply(this, argv), +x.apply(this, (argv[0] = t, argv)), +y.apply(this, argv)); - if (buffer) return context = null, buffer + "" || null; - } - link.source = function(_) { - return arguments.length ? (source = _, link) : source; - }; + // Ensure that the outer radius is always larger than the inner radius. + if (r1 < r0) r = r1, r1 = r0, r0 = r; - link.target = function(_) { - return arguments.length ? (target = _, link) : target; - }; + // Is it a point? + if (!(r1 > epsilon)) context.moveTo(0, 0); - link.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$b(+_), link) : x; - }; + // Or is it a circle or annulus? + else if (da > tau - epsilon) { + context.moveTo(r1 * cos(a0), r1 * sin(a0)); + context.arc(0, 0, r1, a0, a1, !cw); + if (r0 > epsilon) { + context.moveTo(r0 * cos(a1), r0 * sin(a1)); + context.arc(0, 0, r0, a1, a0, cw); + } + } - link.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$b(+_), link) : y; - }; + // Or is it a circular or annular sector? + else { + var a01 = a0, + a11 = a1, + a00 = a0, + a10 = a1, + da0 = da, + da1 = da, + ap = padAngle.apply(this, arguments) / 2, + rp = (ap > epsilon) && (padRadius ? +padRadius.apply(this, arguments) : sqrt(r0 * r0 + r1 * r1)), + rc = min(abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments)), + rc0 = rc, + rc1 = rc, + t0, + t1; - link.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), link) : context; - }; + // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0. + if (rp > epsilon) { + var p0 = asin(rp / r0 * sin(ap)), + p1 = asin(rp / r1 * sin(ap)); + if ((da0 -= p0 * 2) > epsilon) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0; + else da0 = 0, a00 = a10 = (a0 + a1) / 2; + if ((da1 -= p1 * 2) > epsilon) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1; + else da1 = 0, a01 = a11 = (a0 + a1) / 2; + } - return link; -} + var x01 = r1 * cos(a01), + y01 = r1 * sin(a01), + x10 = r0 * cos(a10), + y10 = r0 * sin(a10); -function curveHorizontal(context, x0, y0, x1, y1) { - context.moveTo(x0, y0); - context.bezierCurveTo(x0 = (x0 + x1) / 2, y0, x0, y1, x1, y1); -} + // Apply rounded corners? + if (rc > epsilon) { + var x11 = r1 * cos(a11), + y11 = r1 * sin(a11), + x00 = r0 * cos(a00), + y00 = r0 * sin(a00), + oc; -function curveVertical(context, x0, y0, x1, y1) { - context.moveTo(x0, y0); - context.bezierCurveTo(x0, y0 = (y0 + y1) / 2, x1, y0, x1, y1); -} + // Restrict the corner radius according to the sector angle. + if (da < pi && (oc = intersect(x01, y01, x00, y00, x11, y11, x10, y10))) { + var ax = x01 - oc[0], + ay = y01 - oc[1], + bx = x11 - oc[0], + by = y11 - oc[1], + kc = 1 / sin(acos((ax * bx + ay * by) / (sqrt(ax * ax + ay * ay) * sqrt(bx * bx + by * by))) / 2), + lc = sqrt(oc[0] * oc[0] + oc[1] * oc[1]); + rc0 = min(rc, (r0 - lc) / (kc - 1)); + rc1 = min(rc, (r1 - lc) / (kc + 1)); + } + } -function curveRadial$1(context, x0, y0, x1, y1) { - var p0 = pointRadial(x0, y0), - p1 = pointRadial(x0, y0 = (y0 + y1) / 2), - p2 = pointRadial(x1, y0), - p3 = pointRadial(x1, y1); - context.moveTo(p0[0], p0[1]); - context.bezierCurveTo(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]); -} + // Is the sector collapsed to a line? + if (!(da1 > epsilon)) context.moveTo(x01, y01); -function linkHorizontal() { - return link$2(curveHorizontal); -} + // Does the sector’s outer ring have rounded corners? + else if (rc1 > epsilon) { + t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw); + t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw); -function linkVertical() { - return link$2(curveVertical); -} + context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01); -function linkRadial() { - var l = link$2(curveRadial$1); - l.angle = l.x, delete l.x; - l.radius = l.y, delete l.y; - return l; -} + // Have the corners merged? + if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, atan2(t0.y01, t0.x01), atan2(t1.y01, t1.x01), !cw); -var circle$2 = { - draw: function(context, size) { - var r = Math.sqrt(size / pi$4); - context.moveTo(r, 0); - context.arc(0, 0, r, 0, tau$4); - } -}; + // Otherwise, draw the two corners and the ring. + else { + context.arc(t0.cx, t0.cy, rc1, atan2(t0.y01, t0.x01), atan2(t0.y11, t0.x11), !cw); + context.arc(0, 0, r1, atan2(t0.cy + t0.y11, t0.cx + t0.x11), atan2(t1.cy + t1.y11, t1.cx + t1.x11), !cw); + context.arc(t1.cx, t1.cy, rc1, atan2(t1.y11, t1.x11), atan2(t1.y01, t1.x01), !cw); + } + } -var cross$2 = { - draw: function(context, size) { - var r = Math.sqrt(size / 5) / 2; - context.moveTo(-3 * r, -r); - context.lineTo(-r, -r); - context.lineTo(-r, -3 * r); - context.lineTo(r, -3 * r); - context.lineTo(r, -r); - context.lineTo(3 * r, -r); - context.lineTo(3 * r, r); - context.lineTo(r, r); - context.lineTo(r, 3 * r); - context.lineTo(-r, 3 * r); - context.lineTo(-r, r); - context.lineTo(-3 * r, r); - context.closePath(); - } -}; + // Or is the outer ring just a circular arc? + else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw); -var tan30 = Math.sqrt(1 / 3), - tan30_2 = tan30 * 2; + // Is there no inner ring, and it’s a circular sector? + // Or perhaps it’s an annular sector collapsed due to padding? + if (!(r0 > epsilon) || !(da0 > epsilon)) context.lineTo(x10, y10); -var diamond = { - draw: function(context, size) { - var y = Math.sqrt(size / tan30_2), - x = y * tan30; - context.moveTo(0, -y); - context.lineTo(x, 0); - context.lineTo(0, y); - context.lineTo(-x, 0); - context.closePath(); - } -}; + // Does the sector’s inner ring (or point) have rounded corners? + else if (rc0 > epsilon) { + t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw); + t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw); -var ka = 0.89081309152928522810, - kr = Math.sin(pi$4 / 10) / Math.sin(7 * pi$4 / 10), - kx = Math.sin(tau$4 / 10) * kr, - ky = -Math.cos(tau$4 / 10) * kr; + context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01); -var star = { - draw: function(context, size) { - var r = Math.sqrt(size * ka), - x = kx * r, - y = ky * r; - context.moveTo(0, -r); - context.lineTo(x, y); - for (var i = 1; i < 5; ++i) { - var a = tau$4 * i / 5, - c = Math.cos(a), - s = Math.sin(a); - context.lineTo(s * r, -c * r); - context.lineTo(c * x - s * y, s * x + c * y); - } - context.closePath(); - } -}; + // Have the corners merged? + if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, atan2(t0.y01, t0.x01), atan2(t1.y01, t1.x01), !cw); -var square = { - draw: function(context, size) { - var w = Math.sqrt(size), - x = -w / 2; - context.rect(x, x, w, w); - } -}; + // Otherwise, draw the two corners and the ring. + else { + context.arc(t0.cx, t0.cy, rc0, atan2(t0.y01, t0.x01), atan2(t0.y11, t0.x11), !cw); + context.arc(0, 0, r0, atan2(t0.cy + t0.y11, t0.cx + t0.x11), atan2(t1.cy + t1.y11, t1.cx + t1.x11), cw); + context.arc(t1.cx, t1.cy, rc0, atan2(t1.y11, t1.x11), atan2(t1.y01, t1.x01), !cw); + } + } -var sqrt3 = Math.sqrt(3); + // Or is the inner ring just a circular arc? + else context.arc(0, 0, r0, a10, a00, cw); + } -var triangle = { - draw: function(context, size) { - var y = -Math.sqrt(size / (sqrt3 * 3)); - context.moveTo(0, y * 2); - context.lineTo(-sqrt3 * y, -y); - context.lineTo(sqrt3 * y, -y); context.closePath(); - } -}; - -var c$2 = -0.5, - s = Math.sqrt(3) / 2, - k = 1 / Math.sqrt(12), - a = (k / 2 + 1) * 3; -var wye = { - draw: function(context, size) { - var r = Math.sqrt(size / a), - x0 = r / 2, - y0 = r * k, - x1 = x0, - y1 = r * k + r, - x2 = -x1, - y2 = y1; - context.moveTo(x0, y0); - context.lineTo(x1, y1); - context.lineTo(x2, y2); - context.lineTo(c$2 * x0 - s * y0, s * x0 + c$2 * y0); - context.lineTo(c$2 * x1 - s * y1, s * x1 + c$2 * y1); - context.lineTo(c$2 * x2 - s * y2, s * x2 + c$2 * y2); - context.lineTo(c$2 * x0 + s * y0, c$2 * y0 - s * x0); - context.lineTo(c$2 * x1 + s * y1, c$2 * y1 - s * x1); - context.lineTo(c$2 * x2 + s * y2, c$2 * y2 - s * x2); - context.closePath(); + if (buffer) return context = null, buffer + "" || null; } -}; -var symbols = [ - circle$2, - cross$2, - diamond, - square, - star, - triangle, - wye -]; + arc.centroid = function() { + var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, + a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi / 2; + return [cos(a) * r, sin(a) * r]; + }; + + arc.innerRadius = function(_) { + return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : innerRadius; + }; -function symbol() { - var type = constant$b(circle$2), - size = constant$b(64), - context = null; + arc.outerRadius = function(_) { + return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : outerRadius; + }; - function symbol() { - var buffer; - if (!context) context = buffer = path(); - type.apply(this, arguments).draw(context, +size.apply(this, arguments)); - if (buffer) return context = null, buffer + "" || null; - } + arc.cornerRadius = function(_) { + return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : cornerRadius; + }; - symbol.type = function(_) { - return arguments.length ? (type = typeof _ === "function" ? _ : constant$b(_), symbol) : type; + arc.padRadius = function(_) { + return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), arc) : padRadius; }; - symbol.size = function(_) { - return arguments.length ? (size = typeof _ === "function" ? _ : constant$b(+_), symbol) : size; + arc.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : startAngle; }; - symbol.context = function(_) { - return arguments.length ? (context = _ == null ? null : _, symbol) : context; + arc.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : endAngle; }; - return symbol; + arc.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : padAngle; + }; + + arc.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), arc) : context; + }; + + return arc; } -function noop$3() {} +var slice = Array.prototype.slice; -function point$2(that, x, y) { - that._context.bezierCurveTo( - (2 * that._x0 + that._x1) / 3, - (2 * that._y0 + that._y1) / 3, - (that._x0 + 2 * that._x1) / 3, - (that._y0 + 2 * that._y1) / 3, - (that._x0 + 4 * that._x1 + x) / 6, - (that._y0 + 4 * that._y1 + y) / 6 - ); +function array(x) { + return typeof x === "object" && "length" in x + ? x // Array, TypedArray, NodeList, array-like + : Array.from(x); // Map, Set, iterable, string, or anything else } -function Basis(context) { +function Linear(context) { this._context = context; } -Basis.prototype = { +Linear.prototype = { areaStart: function() { this._line = 0; }, @@ -15612,15 +17019,9 @@ Basis.prototype = { this._line = NaN; }, lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = NaN; this._point = 0; }, lineEnd: function() { - switch (this._point) { - case 3: point$2(this, this._x1, this._y1); // proceed - case 2: this._context.lineTo(this._x1, this._y1); break; - } if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); this._line = 1 - this._line; }, @@ -15628,360 +17029,592 @@ Basis.prototype = { x = +x, y = +y; switch (this._point) { case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed - default: point$2(this, x, y); break; + case 1: this._point = 2; // proceed + default: this._context.lineTo(x, y); break; } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; } }; -function basis$2(context) { - return new Basis(context); +function curveLinear(context) { + return new Linear(context); } -function BasisClosed(context) { - this._context = context; +function x(p) { + return p[0]; } -BasisClosed.prototype = { - areaStart: noop$3, - areaEnd: noop$3, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x2, this._y2); - this._context.closePath(); - break; +function y(p) { + return p[1]; +} + +function line(x$1, y$1) { + var defined = constant$1(true), + context = null, + curve = curveLinear, + output = null; + + x$1 = typeof x$1 === "function" ? x$1 : (x$1 === undefined) ? x : constant$1(x$1); + y$1 = typeof y$1 === "function" ? y$1 : (y$1 === undefined) ? y : constant$1(y$1); + + function line(data) { + var i, + n = (data = array(data)).length, + d, + defined0 = false, + buffer; + + if (context == null) output = curve(buffer = path()); + + for (i = 0; i <= n; ++i) { + if (!(i < n && defined(d = data[i], i, data)) === defined0) { + if (defined0 = !defined0) output.lineStart(); + else output.lineEnd(); } - case 2: { - this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3); - this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3); - this._context.closePath(); - break; + if (defined0) output.point(+x$1(d, i, data), +y$1(d, i, data)); + } + + if (buffer) return output = null, buffer + "" || null; + } + + line.x = function(_) { + return arguments.length ? (x$1 = typeof _ === "function" ? _ : constant$1(+_), line) : x$1; + }; + + line.y = function(_) { + return arguments.length ? (y$1 = typeof _ === "function" ? _ : constant$1(+_), line) : y$1; + }; + + line.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$1(!!_), line) : defined; + }; + + line.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; + }; + + line.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; + }; + + return line; +} + +function area(x0, y0, y1) { + var x1 = null, + defined = constant$1(true), + context = null, + curve = curveLinear, + output = null; + + x0 = typeof x0 === "function" ? x0 : (x0 === undefined) ? x : constant$1(+x0); + y0 = typeof y0 === "function" ? y0 : (y0 === undefined) ? constant$1(0) : constant$1(+y0); + y1 = typeof y1 === "function" ? y1 : (y1 === undefined) ? y : constant$1(+y1); + + function area(data) { + var i, + j, + k, + n = (data = array(data)).length, + d, + defined0 = false, + buffer, + x0z = new Array(n), + y0z = new Array(n); + + if (context == null) output = curve(buffer = path()); + + for (i = 0; i <= n; ++i) { + if (!(i < n && defined(d = data[i], i, data)) === defined0) { + if (defined0 = !defined0) { + j = i; + output.areaStart(); + output.lineStart(); + } else { + output.lineEnd(); + output.lineStart(); + for (k = i - 1; k >= j; --k) { + output.point(x0z[k], y0z[k]); + } + output.lineEnd(); + output.areaEnd(); + } } - case 3: { - this.point(this._x2, this._y2); - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - break; + if (defined0) { + x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data); + output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]); } } - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._x2 = x, this._y2 = y; break; - case 1: this._point = 2; this._x3 = x, this._y3 = y; break; - case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break; - default: point$2(this, x, y); break; + + if (buffer) return output = null, buffer + "" || null; + } + + function arealine() { + return line().defined(defined).curve(curve).context(context); + } + + area.x = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$1(+_), x1 = null, area) : x0; + }; + + area.x0 = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$1(+_), area) : x0; + }; + + area.x1 = function(_) { + return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), area) : x1; + }; + + area.y = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$1(+_), y1 = null, area) : y0; + }; + + area.y0 = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$1(+_), area) : y0; + }; + + area.y1 = function(_) { + return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), area) : y1; + }; + + area.lineX0 = + area.lineY0 = function() { + return arealine().x(x0).y(y0); + }; + + area.lineY1 = function() { + return arealine().x(x0).y(y1); + }; + + area.lineX1 = function() { + return arealine().x(x1).y(y0); + }; + + area.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$1(!!_), area) : defined; + }; + + area.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; + }; + + area.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; + }; + + return area; +} + +function descending$1(a, b) { + return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; +} + +function identity$1(d) { + return d; +} + +function pie() { + var value = identity$1, + sortValues = descending$1, + sort = null, + startAngle = constant$1(0), + endAngle = constant$1(tau), + padAngle = constant$1(0); + + function pie(data) { + var i, + n = (data = array(data)).length, + j, + k, + sum = 0, + index = new Array(n), + arcs = new Array(n), + a0 = +startAngle.apply(this, arguments), + da = Math.min(tau, Math.max(-tau, endAngle.apply(this, arguments) - a0)), + a1, + p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)), + pa = p * (da < 0 ? -1 : 1), + v; + + for (i = 0; i < n; ++i) { + if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) { + sum += v; + } + } + + // Optionally sort the arcs by previously-computed values or by data. + if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); }); + else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); }); + + // Compute the arcs! They are stored in the original data's order. + for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) { + j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = { + data: data[j], + index: i, + value: v, + startAngle: a0, + endAngle: a1, + padAngle: p + }; } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; + + return arcs; } -}; -function basisClosed$1(context) { - return new BasisClosed(context); + pie.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant$1(+_), pie) : value; + }; + + pie.sortValues = function(_) { + return arguments.length ? (sortValues = _, sort = null, pie) : sortValues; + }; + + pie.sort = function(_) { + return arguments.length ? (sort = _, sortValues = null, pie) : sort; + }; + + pie.startAngle = function(_) { + return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : startAngle; + }; + + pie.endAngle = function(_) { + return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : endAngle; + }; + + pie.padAngle = function(_) { + return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : padAngle; + }; + + return pie; } -function BasisOpen(context) { - this._context = context; +var curveRadialLinear = curveRadial$1(curveLinear); + +function Radial(curve) { + this._curve = curve; } -BasisOpen.prototype = { +Radial.prototype = { areaStart: function() { - this._line = 0; + this._curve.areaStart(); }, areaEnd: function() { - this._line = NaN; + this._curve.areaEnd(); }, lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = NaN; - this._point = 0; + this._curve.lineStart(); }, lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; + this._curve.lineEnd(); }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; - case 3: this._point = 4; // proceed - default: point$2(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; + point: function(a, r) { + this._curve.point(r * Math.sin(a), r * -Math.cos(a)); } }; -function basisOpen(context) { - return new BasisOpen(context); +function curveRadial$1(curve) { + + function radial(context) { + return new Radial(curve(context)); + } + + radial._curve = curve; + + return radial; } -function Bundle(context, beta) { - this._basis = new Basis(context); - this._beta = beta; +function lineRadial(l) { + var c = l.curve; + + l.angle = l.x, delete l.x; + l.radius = l.y, delete l.y; + + l.curve = function(_) { + return arguments.length ? c(curveRadial$1(_)) : c()._curve; + }; + + return l; } -Bundle.prototype = { - lineStart: function() { - this._x = []; - this._y = []; - this._basis.lineStart(); - }, - lineEnd: function() { - var x = this._x, - y = this._y, - j = x.length - 1; +function lineRadial$1() { + return lineRadial(line().curve(curveRadialLinear)); +} - if (j > 0) { - var x0 = x[0], - y0 = y[0], - dx = x[j] - x0, - dy = y[j] - y0, - i = -1, - t; +function areaRadial() { + var a = area().curve(curveRadialLinear), + c = a.curve, + x0 = a.lineX0, + x1 = a.lineX1, + y0 = a.lineY0, + y1 = a.lineY1; - while (++i <= j) { - t = i / j; - this._basis.point( - this._beta * x[i] + (1 - this._beta) * (x0 + t * dx), - this._beta * y[i] + (1 - this._beta) * (y0 + t * dy) - ); - } - } + a.angle = a.x, delete a.x; + a.startAngle = a.x0, delete a.x0; + a.endAngle = a.x1, delete a.x1; + a.radius = a.y, delete a.y; + a.innerRadius = a.y0, delete a.y0; + a.outerRadius = a.y1, delete a.y1; + a.lineStartAngle = function() { return lineRadial(x0()); }, delete a.lineX0; + a.lineEndAngle = function() { return lineRadial(x1()); }, delete a.lineX1; + a.lineInnerRadius = function() { return lineRadial(y0()); }, delete a.lineY0; + a.lineOuterRadius = function() { return lineRadial(y1()); }, delete a.lineY1; - this._x = this._y = null; - this._basis.lineEnd(); - }, - point: function(x, y) { - this._x.push(+x); - this._y.push(+y); - } -}; + a.curve = function(_) { + return arguments.length ? c(curveRadial$1(_)) : c()._curve; + }; -var bundle = (function custom(beta) { + return a; +} - function bundle(context) { - return beta === 1 ? new Basis(context) : new Bundle(context, beta); +function pointRadial(x, y) { + return [(y = +y) * Math.cos(x -= Math.PI / 2), y * Math.sin(x)]; +} + +function linkSource(d) { + return d.source; +} + +function linkTarget(d) { + return d.target; +} + +function link(curve) { + var source = linkSource, + target = linkTarget, + x$1 = x, + y$1 = y, + context = null; + + function link() { + var buffer, argv = slice.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); + if (!context) context = buffer = path(); + curve(context, +x$1.apply(this, (argv[0] = s, argv)), +y$1.apply(this, argv), +x$1.apply(this, (argv[0] = t, argv)), +y$1.apply(this, argv)); + if (buffer) return context = null, buffer + "" || null; } - bundle.beta = function(beta) { - return custom(+beta); + link.source = function(_) { + return arguments.length ? (source = _, link) : source; }; - return bundle; -})(0.85); + link.target = function(_) { + return arguments.length ? (target = _, link) : target; + }; -function point$3(that, x, y) { - that._context.bezierCurveTo( - that._x1 + that._k * (that._x2 - that._x0), - that._y1 + that._k * (that._y2 - that._y0), - that._x2 + that._k * (that._x1 - x), - that._y2 + that._k * (that._y1 - y), - that._x2, - that._y2 - ); + link.x = function(_) { + return arguments.length ? (x$1 = typeof _ === "function" ? _ : constant$1(+_), link) : x$1; + }; + + link.y = function(_) { + return arguments.length ? (y$1 = typeof _ === "function" ? _ : constant$1(+_), link) : y$1; + }; + + link.context = function(_) { + return arguments.length ? ((context = _ == null ? null : _), link) : context; + }; + + return link; } -function Cardinal(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; +function curveHorizontal(context, x0, y0, x1, y1) { + context.moveTo(x0, y0); + context.bezierCurveTo(x0 = (x0 + x1) / 2, y0, x0, y1, x1, y1); } -Cardinal.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x2, this._y2); break; - case 3: point$3(this, this._x1, this._y1); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; this._x1 = x, this._y1 = y; break; - case 2: this._point = 3; // proceed - default: point$3(this, x, y); break; - } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; +function curveVertical(context, x0, y0, x1, y1) { + context.moveTo(x0, y0); + context.bezierCurveTo(x0, y0 = (y0 + y1) / 2, x1, y0, x1, y1); +} + +function curveRadial(context, x0, y0, x1, y1) { + var p0 = pointRadial(x0, y0), + p1 = pointRadial(x0, y0 = (y0 + y1) / 2), + p2 = pointRadial(x1, y0), + p3 = pointRadial(x1, y1); + context.moveTo(p0[0], p0[1]); + context.bezierCurveTo(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]); +} + +function linkHorizontal() { + return link(curveHorizontal); +} + +function linkVertical() { + return link(curveVertical); +} + +function linkRadial() { + var l = link(curveRadial); + l.angle = l.x, delete l.x; + l.radius = l.y, delete l.y; + return l; +} + +var circle = { + draw: function(context, size) { + var r = Math.sqrt(size / pi); + context.moveTo(r, 0); + context.arc(0, 0, r, 0, tau); } }; -var cardinal = (function custom(tension) { - - function cardinal(context) { - return new Cardinal(context, tension); +var cross = { + draw: function(context, size) { + var r = Math.sqrt(size / 5) / 2; + context.moveTo(-3 * r, -r); + context.lineTo(-r, -r); + context.lineTo(-r, -3 * r); + context.lineTo(r, -3 * r); + context.lineTo(r, -r); + context.lineTo(3 * r, -r); + context.lineTo(3 * r, r); + context.lineTo(r, r); + context.lineTo(r, 3 * r); + context.lineTo(-r, 3 * r); + context.lineTo(-r, r); + context.lineTo(-3 * r, r); + context.closePath(); } +}; - cardinal.tension = function(tension) { - return custom(+tension); - }; +var tan30 = Math.sqrt(1 / 3), + tan30_2 = tan30 * 2; - return cardinal; -})(0); +var diamond = { + draw: function(context, size) { + var y = Math.sqrt(size / tan30_2), + x = y * tan30; + context.moveTo(0, -y); + context.lineTo(x, 0); + context.lineTo(0, y); + context.lineTo(-x, 0); + context.closePath(); + } +}; -function CardinalClosed(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; -} +var ka = 0.89081309152928522810, + kr = Math.sin(pi / 10) / Math.sin(7 * pi / 10), + kx = Math.sin(tau / 10) * kr, + ky = -Math.cos(tau / 10) * kr; -CardinalClosed.prototype = { - areaStart: noop$3, - areaEnd: noop$3, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 2: { - this._context.lineTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 3: { - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - this.point(this._x5, this._y5); - break; - } - } - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._x3 = x, this._y3 = y; break; - case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; - case 2: this._point = 3; this._x5 = x, this._y5 = y; break; - default: point$3(this, x, y); break; +var star = { + draw: function(context, size) { + var r = Math.sqrt(size * ka), + x = kx * r, + y = ky * r; + context.moveTo(0, -r); + context.lineTo(x, y); + for (var i = 1; i < 5; ++i) { + var a = tau * i / 5, + c = Math.cos(a), + s = Math.sin(a); + context.lineTo(s * r, -c * r); + context.lineTo(c * x - s * y, s * x + c * y); } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + context.closePath(); } }; -var cardinalClosed = (function custom(tension) { - - function cardinal(context) { - return new CardinalClosed(context, tension); +var square = { + draw: function(context, size) { + var w = Math.sqrt(size), + x = -w / 2; + context.rect(x, x, w, w); } +}; - cardinal.tension = function(tension) { - return custom(+tension); - }; +var sqrt3 = Math.sqrt(3); - return cardinal; -})(0); +var triangle = { + draw: function(context, size) { + var y = -Math.sqrt(size / (sqrt3 * 3)); + context.moveTo(0, y * 2); + context.lineTo(-sqrt3 * y, -y); + context.lineTo(sqrt3 * y, -y); + context.closePath(); + } +}; -function CardinalOpen(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; -} +var c = -0.5, + s = Math.sqrt(3) / 2, + k = 1 / Math.sqrt(12), + a = (k / 2 + 1) * 3; -CardinalOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed - default: point$3(this, x, y); break; - } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; +var wye = { + draw: function(context, size) { + var r = Math.sqrt(size / a), + x0 = r / 2, + y0 = r * k, + x1 = x0, + y1 = r * k + r, + x2 = -x1, + y2 = y1; + context.moveTo(x0, y0); + context.lineTo(x1, y1); + context.lineTo(x2, y2); + context.lineTo(c * x0 - s * y0, s * x0 + c * y0); + context.lineTo(c * x1 - s * y1, s * x1 + c * y1); + context.lineTo(c * x2 - s * y2, s * x2 + c * y2); + context.lineTo(c * x0 + s * y0, c * y0 - s * x0); + context.lineTo(c * x1 + s * y1, c * y1 - s * x1); + context.lineTo(c * x2 + s * y2, c * y2 - s * x2); + context.closePath(); } }; -var cardinalOpen = (function custom(tension) { +var symbols = [ + circle, + cross, + diamond, + square, + star, + triangle, + wye +]; - function cardinal(context) { - return new CardinalOpen(context, tension); +function symbol(type, size) { + var context = null; + type = typeof type === "function" ? type : constant$1(type || circle); + size = typeof size === "function" ? size : constant$1(size === undefined ? 64 : +size); + + function symbol() { + var buffer; + if (!context) context = buffer = path(); + type.apply(this, arguments).draw(context, +size.apply(this, arguments)); + if (buffer) return context = null, buffer + "" || null; } - cardinal.tension = function(tension) { - return custom(+tension); + symbol.type = function(_) { + return arguments.length ? (type = typeof _ === "function" ? _ : constant$1(_), symbol) : type; }; - return cardinal; -})(0); + symbol.size = function(_) { + return arguments.length ? (size = typeof _ === "function" ? _ : constant$1(+_), symbol) : size; + }; -function point$4(that, x, y) { - var x1 = that._x1, - y1 = that._y1, - x2 = that._x2, - y2 = that._y2; + symbol.context = function(_) { + return arguments.length ? (context = _ == null ? null : _, symbol) : context; + }; - if (that._l01_a > epsilon$3) { - var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a, - n = 3 * that._l01_a * (that._l01_a + that._l12_a); - x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n; - y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n; - } + return symbol; +} - if (that._l23_a > epsilon$3) { - var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a, - m = 3 * that._l23_a * (that._l23_a + that._l12_a); - x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m; - y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m; - } +function noop() {} - that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2); +function point$3(that, x, y) { + that._context.bezierCurveTo( + (2 * that._x0 + that._x1) / 3, + (2 * that._y0 + that._y1) / 3, + (that._x0 + 2 * that._x1) / 3, + (that._y0 + 2 * that._y1) / 3, + (that._x0 + 4 * that._x1 + x) / 6, + (that._y0 + 4 * that._y1 + y) / 6 + ); } -function CatmullRom(context, alpha) { +function Basis(context) { this._context = context; - this._alpha = alpha; } -CatmullRom.prototype = { +Basis.prototype = { areaStart: function() { this._line = 0; }, @@ -15989,133 +17622,90 @@ CatmullRom.prototype = { this._line = NaN; }, lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = + this._x0 = this._x1 = + this._y0 = this._y1 = NaN; this._point = 0; }, lineEnd: function() { switch (this._point) { - case 2: this._context.lineTo(this._x2, this._y2); break; - case 3: this.point(this._x2, this._y2); break; + case 3: point$3(this, this._x1, this._y1); // proceed + case 2: this._context.lineTo(this._x1, this._y1); break; } if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); this._line = 1 - this._line; }, point: function(x, y) { x = +x, y = +y; - - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } - switch (this._point) { case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; case 1: this._point = 2; break; - case 2: this._point = 3; // proceed - default: point$4(this, x, y); break; + case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed + default: point$3(this, x, y); break; } - - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } -}; - -var catmullRom = (function custom(alpha) { - - function catmullRom(context) { - return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; } +}; - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; - - return catmullRom; -})(0.5); +function basis(context) { + return new Basis(context); +} -function CatmullRomClosed(context, alpha) { +function BasisClosed(context) { this._context = context; - this._alpha = alpha; } -CatmullRomClosed.prototype = { - areaStart: noop$3, - areaEnd: noop$3, +BasisClosed.prototype = { + areaStart: noop, + areaEnd: noop, lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; this._point = 0; }, lineEnd: function() { switch (this._point) { case 1: { - this._context.moveTo(this._x3, this._y3); + this._context.moveTo(this._x2, this._y2); this._context.closePath(); break; } case 2: { - this._context.lineTo(this._x3, this._y3); + this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3); + this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3); this._context.closePath(); break; } case 3: { + this.point(this._x2, this._y2); this.point(this._x3, this._y3); this.point(this._x4, this._y4); - this.point(this._x5, this._y5); break; } } }, point: function(x, y) { x = +x, y = +y; - - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } - switch (this._point) { - case 0: this._point = 1; this._x3 = x, this._y3 = y; break; - case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; - case 2: this._point = 3; this._x5 = x, this._y5 = y; break; - default: point$4(this, x, y); break; + case 0: this._point = 1; this._x2 = x, this._y2 = y; break; + case 1: this._point = 2; this._x3 = x, this._y3 = y; break; + case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break; + default: point$3(this, x, y); break; } - - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; } }; -var catmullRomClosed = (function custom(alpha) { - - function catmullRom(context) { - return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); - } - - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; - - return catmullRom; -})(0.5); +function basisClosed(context) { + return new BasisClosed(context); +} -function CatmullRomOpen(context, alpha) { +function BasisOpen(context) { this._context = context; - this._alpha = alpha; } -CatmullRomOpen.prototype = { +BasisOpen.prototype = { areaStart: function() { this._line = 0; }, @@ -16123,10 +17713,8 @@ CatmullRomOpen.prototype = { this._line = NaN; }, lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = + this._x0 = this._x1 = + this._y0 = this._y1 = NaN; this._point = 0; }, lineEnd: function() { @@ -16135,105 +17723,140 @@ CatmullRomOpen.prototype = { }, point: function(x, y) { x = +x, y = +y; - - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } - switch (this._point) { case 0: this._point = 1; break; case 1: this._point = 2; break; - case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; case 3: this._point = 4; // proceed - default: point$4(this, x, y); break; + default: point$3(this, x, y); break; } - - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; } }; -var catmullRomOpen = (function custom(alpha) { +function basisOpen(context) { + return new BasisOpen(context); +} - function catmullRom(context) { - return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); +class Bump { + constructor(context, x) { + this._context = context; + this._x = x; + } + areaStart() { + this._line = 0; + } + areaEnd() { + this._line = NaN; + } + lineStart() { + this._point = 0; + } + lineEnd() { + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + } + point(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: { + this._point = 1; + if (this._line) this._context.lineTo(x, y); + else this._context.moveTo(x, y); + break; + } + case 1: this._point = 2; // proceed + default: { + if (this._x) this._context.bezierCurveTo(this._x0 = (this._x0 + x) / 2, this._y0, this._x0, y, x, y); + else this._context.bezierCurveTo(this._x0, this._y0 = (this._y0 + y) / 2, x, this._y0, x, y); + break; + } + } + this._x0 = x, this._y0 = y; } +} - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; +function bumpX(context) { + return new Bump(context, true); +} - return catmullRom; -})(0.5); +function bumpY(context) { + return new Bump(context, false); +} -function LinearClosed(context) { - this._context = context; +function Bundle(context, beta) { + this._basis = new Basis(context); + this._beta = beta; } -LinearClosed.prototype = { - areaStart: noop$3, - areaEnd: noop$3, +Bundle.prototype = { lineStart: function() { - this._point = 0; + this._x = []; + this._y = []; + this._basis.lineStart(); }, lineEnd: function() { - if (this._point) this._context.closePath(); + var x = this._x, + y = this._y, + j = x.length - 1; + + if (j > 0) { + var x0 = x[0], + y0 = y[0], + dx = x[j] - x0, + dy = y[j] - y0, + i = -1, + t; + + while (++i <= j) { + t = i / j; + this._basis.point( + this._beta * x[i] + (1 - this._beta) * (x0 + t * dx), + this._beta * y[i] + (1 - this._beta) * (y0 + t * dy) + ); + } + } + + this._x = this._y = null; + this._basis.lineEnd(); }, point: function(x, y) { - x = +x, y = +y; - if (this._point) this._context.lineTo(x, y); - else this._point = 1, this._context.moveTo(x, y); + this._x.push(+x); + this._y.push(+y); } }; -function linearClosed(context) { - return new LinearClosed(context); -} +var bundle = (function custom(beta) { -function sign$1(x) { - return x < 0 ? -1 : 1; -} + function bundle(context) { + return beta === 1 ? new Basis(context) : new Bundle(context, beta); + } -// Calculate the slopes of the tangents (Hermite-type interpolation) based on -// the following paper: Steffen, M. 1990. A Simple Method for Monotonic -// Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO. -// NOV(II), P. 443, 1990. -function slope3(that, x2, y2) { - var h0 = that._x1 - that._x0, - h1 = x2 - that._x1, - s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0), - s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0), - p = (s0 * h1 + s1 * h0) / (h0 + h1); - return (sign$1(s0) + sign$1(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0; -} + bundle.beta = function(beta) { + return custom(+beta); + }; -// Calculate a one-sided slope. -function slope2(that, t) { - var h = that._x1 - that._x0; - return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t; -} + return bundle; +})(0.85); -// According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations -// "you can express cubic Hermite interpolation in terms of cubic Bézier curves -// with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1". -function point$5(that, t0, t1) { - var x0 = that._x0, - y0 = that._y0, - x1 = that._x1, - y1 = that._y1, - dx = (x1 - x0) / 3; - that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1); +function point$2(that, x, y) { + that._context.bezierCurveTo( + that._x1 + that._k * (that._x2 - that._x0), + that._y1 + that._k * (that._y2 - that._y0), + that._x2 + that._k * (that._x1 - x), + that._y2 + that._k * (that._y1 - y), + that._x2, + that._y2 + ); } -function MonotoneX(context) { +function Cardinal(context, tension) { this._context = context; + this._k = (1 - tension) / 6; } -MonotoneX.prototype = { +Cardinal.prototype = { areaStart: function() { this._line = 0; }, @@ -16241,69 +17864,109 @@ MonotoneX.prototype = { this._line = NaN; }, lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = - this._t0 = NaN; + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x2, this._y2); break; + case 3: point$2(this, this._x1, this._y1); break; + } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; this._x1 = x, this._y1 = y; break; + case 2: this._point = 3; // proceed + default: point$2(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } +}; + +var cardinal = (function custom(tension) { + + function cardinal(context) { + return new Cardinal(context, tension); + } + + cardinal.tension = function(tension) { + return custom(+tension); + }; + + return cardinal; +})(0); + +function CardinalClosed(context, tension) { + this._context = context; + this._k = (1 - tension) / 6; +} + +CardinalClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; this._point = 0; }, lineEnd: function() { switch (this._point) { - case 2: this._context.lineTo(this._x1, this._y1); break; - case 3: point$5(this, this._t0, slope2(this, this._t0)); break; + case 1: { + this._context.moveTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 2: { + this._context.lineTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + this.point(this._x5, this._y5); + break; + } } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; }, point: function(x, y) { - var t1 = NaN; - x = +x, y = +y; - if (x === this._x1 && y === this._y1) return; // Ignore coincident points. switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; point$5(this, slope2(this, t1 = slope3(this, x, y)), t1); break; - default: point$5(this, this._t0, t1 = slope3(this, x, y)); break; + case 0: this._point = 1; this._x3 = x, this._y3 = y; break; + case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; + case 2: this._point = 3; this._x5 = x, this._y5 = y; break; + default: point$2(this, x, y); break; } - - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - this._t0 = t1; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } }; -function MonotoneY(context) { - this._context = new ReflectContext(context); -} - -(MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) { - MonotoneX.prototype.point.call(this, y, x); -}; - -function ReflectContext(context) { - this._context = context; -} +var cardinalClosed = (function custom(tension) { -ReflectContext.prototype = { - moveTo: function(x, y) { this._context.moveTo(y, x); }, - closePath: function() { this._context.closePath(); }, - lineTo: function(x, y) { this._context.lineTo(y, x); }, - bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); } -}; + function cardinal(context) { + return new CardinalClosed(context, tension); + } -function monotoneX(context) { - return new MonotoneX(context); -} + cardinal.tension = function(tension) { + return custom(+tension); + }; -function monotoneY(context) { - return new MonotoneY(context); -} + return cardinal; +})(0); -function Natural(context) { +function CardinalOpen(context, tension) { this._context = context; + this._k = (1 - tension) / 6; } -Natural.prototype = { +CardinalOpen.prototype = { areaStart: function() { this._line = 0; }, @@ -16311,66 +17974,70 @@ Natural.prototype = { this._line = NaN; }, lineStart: function() { - this._x = []; - this._y = []; + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._point = 0; }, lineEnd: function() { - var x = this._x, - y = this._y, - n = x.length; - - if (n) { - this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]); - if (n === 2) { - this._context.lineTo(x[1], y[1]); - } else { - var px = controlPoints(x), - py = controlPoints(y); - for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) { - this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]); - } - } - } - - if (this._line || (this._line !== 0 && n === 1)) this._context.closePath(); + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); this._line = 1 - this._line; - this._x = this._y = null; }, point: function(x, y) { - this._x.push(+x); - this._y.push(+y); + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 3: this._point = 4; // proceed + default: point$2(this, x, y); break; + } + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } }; -// See https://www.particleincell.com/2012/bezier-splines/ for derivation. -function controlPoints(x) { - var i, - n = x.length - 1, - m, - a = new Array(n), - b = new Array(n), - r = new Array(n); - a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1]; - for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1]; - a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n]; - for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1]; - a[n - 1] = r[n - 1] / b[n - 1]; - for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i]; - b[n - 1] = (x[n] + a[n - 1]) / 2; - for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1]; - return [a, b]; -} +var cardinalOpen = (function custom(tension) { -function natural(context) { - return new Natural(context); + function cardinal(context) { + return new CardinalOpen(context, tension); + } + + cardinal.tension = function(tension) { + return custom(+tension); + }; + + return cardinal; +})(0); + +function point$1(that, x, y) { + var x1 = that._x1, + y1 = that._y1, + x2 = that._x2, + y2 = that._y2; + + if (that._l01_a > epsilon) { + var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a, + n = 3 * that._l01_a * (that._l01_a + that._l12_a); + x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n; + y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n; + } + + if (that._l23_a > epsilon) { + var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a, + m = 3 * that._l23_a * (that._l23_a + that._l12_a); + x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m; + y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m; + } + + that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2); } -function Step(context, t) { +function CatmullRom(context, alpha) { this._context = context; - this._t = t; + this._alpha = alpha; } -Step.prototype = { +CatmullRom.prototype = { areaStart: function() { this._line = 0; }, @@ -16378,1224 +18045,632 @@ Step.prototype = { this._line = NaN; }, lineStart: function() { - this._x = this._y = NaN; + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = this._point = 0; }, lineEnd: function() { - if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y); + switch (this._point) { + case 2: this._context.lineTo(this._x2, this._y2); break; + case 3: this.point(this._x2, this._y2); break; + } if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line; + this._line = 1 - this._line; }, point: function(x, y) { x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed - default: { - if (this._t <= 0) { - this._context.lineTo(this._x, y); - this._context.lineTo(x, y); - } else { - var x1 = this._x * (1 - this._t) + x * this._t; - this._context.lineTo(x1, this._y); - this._context.lineTo(x1, y); - } - break; - } - } - this._x = x, this._y = y; - } -}; - -function step(context) { - return new Step(context, 0.5); -} - -function stepBefore(context) { - return new Step(context, 0); -} - -function stepAfter(context) { - return new Step(context, 1); -} - -function none$1(series, order) { - if (!((n = series.length) > 1)) return; - for (var i = 1, j, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { - s0 = s1, s1 = series[order[i]]; - for (j = 0; j < m; ++j) { - s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; - } - } -} - -function none$2(series) { - var n = series.length, o = new Array(n); - while (--n >= 0) o[n] = n; - return o; -} - -function stackValue(d, key) { - return d[key]; -} - -function stack() { - var keys = constant$b([]), - order = none$2, - offset = none$1, - value = stackValue; - - function stack(data) { - var kz = keys.apply(this, arguments), - i, - m = data.length, - n = kz.length, - sz = new Array(n), - oz; - for (i = 0; i < n; ++i) { - for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) { - si[j] = sij = [0, +value(data[j], ki, j, data)]; - sij.data = data[j]; - } - si.key = ki; + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); } - for (i = 0, oz = order(sz); i < n; ++i) { - sz[oz[i]].index = i; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; // proceed + default: point$1(this, x, y); break; } - offset(sz, oz); - return sz; + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } +}; - stack.keys = function(_) { - return arguments.length ? (keys = typeof _ === "function" ? _ : constant$b(slice$6.call(_)), stack) : keys; - }; - - stack.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$b(+_), stack) : value; - }; +var catmullRom = (function custom(alpha) { - stack.order = function(_) { - return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$b(slice$6.call(_)), stack) : order; - }; + function catmullRom(context) { + return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); + } - stack.offset = function(_) { - return arguments.length ? (offset = _ == null ? none$1 : _, stack) : offset; + catmullRom.alpha = function(alpha) { + return custom(+alpha); }; - return stack; -} + return catmullRom; +})(0.5); -function expand(series, order) { - if (!((n = series.length) > 0)) return; - for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { - for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; - if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; - } - none$1(series, order); +function CatmullRomClosed(context, alpha) { + this._context = context; + this._alpha = alpha; } -function diverging$1(series, order) { - if (!((n = series.length) > 0)) return; - for (var i, j = 0, d, dy, yp, yn, n, m = series[order[0]].length; j < m; ++j) { - for (yp = yn = 0, i = 0; i < n; ++i) { - if ((dy = (d = series[order[i]][j])[1] - d[0]) > 0) { - d[0] = yp, d[1] = yp += dy; - } else if (dy < 0) { - d[1] = yn, d[0] = yn += dy; - } else { - d[0] = 0, d[1] = dy; +CatmullRomClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = + this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 1: { + this._context.moveTo(this._x3, this._y3); + this._context.closePath(); + break; } - } - } -} - -function silhouette(series, order) { - if (!((n = series.length) > 0)) return; - for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { - for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; - s0[j][1] += s0[j][0] = -y / 2; - } - none$1(series, order); -} - -function wiggle(series, order) { - if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; - for (var y = 0, j = 1, s0, m, n; j < m; ++j) { - for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { - var si = series[order[i]], - sij0 = si[j][1] || 0, - sij1 = si[j - 1][1] || 0, - s3 = (sij0 - sij1) / 2; - for (var k = 0; k < i; ++k) { - var sk = series[order[k]], - skj0 = sk[j][1] || 0, - skj1 = sk[j - 1][1] || 0; - s3 += skj0 - skj1; + case 2: { + this._context.lineTo(this._x3, this._y3); + this._context.closePath(); + break; + } + case 3: { + this.point(this._x3, this._y3); + this.point(this._x4, this._y4); + this.point(this._x5, this._y5); + break; } - s1 += sij0, s2 += s3 * sij0; } - s0[j - 1][1] += s0[j - 1][0] = y; - if (s1) y -= s2 / s1; - } - s0[j - 1][1] += s0[j - 1][0] = y; - none$1(series, order); -} - -function appearance(series) { - var peaks = series.map(peak); - return none$2(series).sort(function(a, b) { return peaks[a] - peaks[b]; }); -} - -function peak(series) { - var i = -1, j = 0, n = series.length, vi, vj = -Infinity; - while (++i < n) if ((vi = +series[i][1]) > vj) vj = vi, j = i; - return j; -} - -function ascending$3(series) { - var sums = series.map(sum$2); - return none$2(series).sort(function(a, b) { return sums[a] - sums[b]; }); -} - -function sum$2(series) { - var s = 0, i = -1, n = series.length, v; - while (++i < n) if (v = +series[i][1]) s += v; - return s; -} - -function descending$2(series) { - return ascending$3(series).reverse(); -} + }, + point: function(x, y) { + x = +x, y = +y; -function insideOut(series) { - var n = series.length, - i, - j, - sums = series.map(sum$2), - order = appearance(series), - top = 0, - bottom = 0, - tops = [], - bottoms = []; + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } - for (i = 0; i < n; ++i) { - j = order[i]; - if (top < bottom) { - top += sums[j]; - tops.push(j); - } else { - bottom += sums[j]; - bottoms.push(j); + switch (this._point) { + case 0: this._point = 1; this._x3 = x, this._y3 = y; break; + case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; + case 2: this._point = 3; this._x5 = x, this._y5 = y; break; + default: point$1(this, x, y); break; } + + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; } +}; - return bottoms.reverse().concat(tops); -} +var catmullRomClosed = (function custom(alpha) { -function reverse(series) { - return none$2(series).reverse(); -} + function catmullRom(context) { + return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); + } -function constant$c(x) { - return function() { - return x; + catmullRom.alpha = function(alpha) { + return custom(+alpha); }; -} - -function x$4(d) { - return d[0]; -} -function y$4(d) { - return d[1]; -} - -function RedBlackTree() { - this._ = null; // root node -} + return catmullRom; +})(0.5); -function RedBlackNode(node) { - node.U = // parent node - node.C = // color - true for red, false for black - node.L = // left node - node.R = // right node - node.P = // previous node - node.N = null; // next node +function CatmullRomOpen(context, alpha) { + this._context = context; + this._alpha = alpha; } -RedBlackTree.prototype = { - constructor: RedBlackTree, - - insert: function(after, node) { - var parent, grandpa, uncle; - - if (after) { - node.P = after; - node.N = after.N; - if (after.N) after.N.P = node; - after.N = node; - if (after.R) { - after = after.R; - while (after.L) after = after.L; - after.L = node; - } else { - after.R = node; - } - parent = after; - } else if (this._) { - after = RedBlackFirst(this._); - node.P = null; - node.N = after; - after.P = after.L = node; - parent = after; - } else { - node.P = node.N = null; - this._ = node; - parent = null; - } - node.L = node.R = null; - node.U = parent; - node.C = true; - - after = node; - while (parent && parent.C) { - grandpa = parent.U; - if (parent === grandpa.L) { - uncle = grandpa.R; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.R) { - RedBlackRotateLeft(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - RedBlackRotateRight(this, grandpa); - } - } else { - uncle = grandpa.L; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.L) { - RedBlackRotateRight(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - RedBlackRotateLeft(this, grandpa); - } - } - parent = after.U; - } - this._.C = false; +CatmullRomOpen.prototype = { + areaStart: function() { + this._line = 0; }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = this._x2 = + this._y0 = this._y1 = this._y2 = NaN; + this._l01_a = this._l12_a = this._l23_a = + this._l01_2a = this._l12_2a = this._l23_2a = + this._point = 0; + }, + lineEnd: function() { + if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; - remove: function(node) { - if (node.N) node.N.P = node.P; - if (node.P) node.P.N = node.N; - node.N = node.P = null; - - var parent = node.U, - sibling, - left = node.L, - right = node.R, - next, - red; - - if (!left) next = right; - else if (!right) next = left; - else next = RedBlackFirst(right); + if (this._point) { + var x23 = this._x2 - x, + y23 = this._y2 - y; + this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); + } - if (parent) { - if (parent.L === node) parent.L = next; - else parent.R = next; - } else { - this._ = next; - } - - if (left && right) { - red = next.C; - next.C = node.C; - next.L = left; - left.U = next; - if (next !== right) { - parent = next.U; - next.U = node.U; - node = next.R; - parent.L = node; - next.R = right; - right.U = next; - } else { - next.U = parent; - parent = next; - node = next.R; - } - } else { - red = node.C; - node = next; + switch (this._point) { + case 0: this._point = 1; break; + case 1: this._point = 2; break; + case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; + case 3: this._point = 4; // proceed + default: point$1(this, x, y); break; } - if (node) node.U = parent; - if (red) return; - if (node && node.C) { node.C = false; return; } + this._l01_a = this._l12_a, this._l12_a = this._l23_a; + this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; + this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; + this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; + } +}; - do { - if (node === this._) break; - if (node === parent.L) { - sibling = parent.R; - if (sibling.C) { - sibling.C = false; - parent.C = true; - RedBlackRotateLeft(this, parent); - sibling = parent.R; - } - if ((sibling.L && sibling.L.C) - || (sibling.R && sibling.R.C)) { - if (!sibling.R || !sibling.R.C) { - sibling.L.C = false; - sibling.C = true; - RedBlackRotateRight(this, sibling); - sibling = parent.R; - } - sibling.C = parent.C; - parent.C = sibling.R.C = false; - RedBlackRotateLeft(this, parent); - node = this._; - break; - } - } else { - sibling = parent.L; - if (sibling.C) { - sibling.C = false; - parent.C = true; - RedBlackRotateRight(this, parent); - sibling = parent.L; - } - if ((sibling.L && sibling.L.C) - || (sibling.R && sibling.R.C)) { - if (!sibling.L || !sibling.L.C) { - sibling.R.C = false; - sibling.C = true; - RedBlackRotateLeft(this, sibling); - sibling = parent.L; - } - sibling.C = parent.C; - parent.C = sibling.L.C = false; - RedBlackRotateRight(this, parent); - node = this._; - break; - } - } - sibling.C = true; - node = parent; - parent = parent.U; - } while (!node.C); +var catmullRomOpen = (function custom(alpha) { - if (node) node.C = false; + function catmullRom(context) { + return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); } -}; -function RedBlackRotateLeft(tree, node) { - var p = node, - q = node.R, - parent = p.U; + catmullRom.alpha = function(alpha) { + return custom(+alpha); + }; - if (parent) { - if (parent.L === p) parent.L = q; - else parent.R = q; - } else { - tree._ = q; - } + return catmullRom; +})(0.5); - q.U = parent; - p.U = q; - p.R = q.L; - if (p.R) p.R.U = p; - q.L = p; +function LinearClosed(context) { + this._context = context; } -function RedBlackRotateRight(tree, node) { - var p = node, - q = node.L, - parent = p.U; - - if (parent) { - if (parent.L === p) parent.L = q; - else parent.R = q; - } else { - tree._ = q; +LinearClosed.prototype = { + areaStart: noop, + areaEnd: noop, + lineStart: function() { + this._point = 0; + }, + lineEnd: function() { + if (this._point) this._context.closePath(); + }, + point: function(x, y) { + x = +x, y = +y; + if (this._point) this._context.lineTo(x, y); + else this._point = 1, this._context.moveTo(x, y); } +}; - q.U = parent; - p.U = q; - p.L = q.R; - if (p.L) p.L.U = p; - q.R = p; +function linearClosed(context) { + return new LinearClosed(context); } -function RedBlackFirst(node) { - while (node.L) node = node.L; - return node; +function sign(x) { + return x < 0 ? -1 : 1; } -function createEdge(left, right, v0, v1) { - var edge = [null, null], - index = edges.push(edge) - 1; - edge.left = left; - edge.right = right; - if (v0) setEdgeEnd(edge, left, right, v0); - if (v1) setEdgeEnd(edge, right, left, v1); - cells[left.index].halfedges.push(index); - cells[right.index].halfedges.push(index); - return edge; +// Calculate the slopes of the tangents (Hermite-type interpolation) based on +// the following paper: Steffen, M. 1990. A Simple Method for Monotonic +// Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO. +// NOV(II), P. 443, 1990. +function slope3(that, x2, y2) { + var h0 = that._x1 - that._x0, + h1 = x2 - that._x1, + s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0), + s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0), + p = (s0 * h1 + s1 * h0) / (h0 + h1); + return (sign(s0) + sign(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0; } -function createBorderEdge(left, v0, v1) { - var edge = [v0, v1]; - edge.left = left; - return edge; +// Calculate a one-sided slope. +function slope2(that, t) { + var h = that._x1 - that._x0; + return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t; } -function setEdgeEnd(edge, left, right, vertex) { - if (!edge[0] && !edge[1]) { - edge[0] = vertex; - edge.left = left; - edge.right = right; - } else if (edge.left === right) { - edge[1] = vertex; - } else { - edge[0] = vertex; - } +// According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations +// "you can express cubic Hermite interpolation in terms of cubic Bézier curves +// with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1". +function point(that, t0, t1) { + var x0 = that._x0, + y0 = that._y0, + x1 = that._x1, + y1 = that._y1, + dx = (x1 - x0) / 3; + that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1); } -// Liang–Barsky line clipping. -function clipEdge(edge, x0, y0, x1, y1) { - var a = edge[0], - b = edge[1], - ax = a[0], - ay = a[1], - bx = b[0], - by = b[1], - t0 = 0, - t1 = 1, - dx = bx - ax, - dy = by - ay, - r; - - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - if (!(t0 > 0) && !(t1 < 1)) return true; // TODO Better check? - - if (t0 > 0) edge[0] = [ax + t0 * dx, ay + t0 * dy]; - if (t1 < 1) edge[1] = [ax + t1 * dx, ay + t1 * dy]; - return true; +function MonotoneX(context) { + this._context = context; } -function connectEdge(edge, x0, y0, x1, y1) { - var v1 = edge[1]; - if (v1) return true; - - var v0 = edge[0], - left = edge.left, - right = edge.right, - lx = left[0], - ly = left[1], - rx = right[0], - ry = right[1], - fx = (lx + rx) / 2, - fy = (ly + ry) / 2, - fm, - fb; - - if (ry === ly) { - if (fx < x0 || fx >= x1) return; - if (lx > rx) { - if (!v0) v0 = [fx, y0]; - else if (v0[1] >= y1) return; - v1 = [fx, y1]; - } else { - if (!v0) v0 = [fx, y1]; - else if (v0[1] < y0) return; - v1 = [fx, y0]; +MonotoneX.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x0 = this._x1 = + this._y0 = this._y1 = + this._t0 = NaN; + this._point = 0; + }, + lineEnd: function() { + switch (this._point) { + case 2: this._context.lineTo(this._x1, this._y1); break; + case 3: point(this, this._t0, slope2(this, this._t0)); break; } - } else { - fm = (lx - rx) / (ry - ly); - fb = fy - fm * fx; - if (fm < -1 || fm > 1) { - if (lx > rx) { - if (!v0) v0 = [(y0 - fb) / fm, y0]; - else if (v0[1] >= y1) return; - v1 = [(y1 - fb) / fm, y1]; - } else { - if (!v0) v0 = [(y1 - fb) / fm, y1]; - else if (v0[1] < y0) return; - v1 = [(y0 - fb) / fm, y0]; - } - } else { - if (ly < ry) { - if (!v0) v0 = [x0, fm * x0 + fb]; - else if (v0[0] >= x1) return; - v1 = [x1, fm * x1 + fb]; - } else { - if (!v0) v0 = [x1, fm * x1 + fb]; - else if (v0[0] < x0) return; - v1 = [x0, fm * x0 + fb]; - } + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + }, + point: function(x, y) { + var t1 = NaN; + + x = +x, y = +y; + if (x === this._x1 && y === this._y1) return; // Ignore coincident points. + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; break; + case 2: this._point = 3; point(this, slope2(this, t1 = slope3(this, x, y)), t1); break; + default: point(this, this._t0, t1 = slope3(this, x, y)); break; } + + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + this._t0 = t1; } +}; - edge[0] = v0; - edge[1] = v1; - return true; +function MonotoneY(context) { + this._context = new ReflectContext(context); } -function clipEdges(x0, y0, x1, y1) { - var i = edges.length, - edge; +(MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) { + MonotoneX.prototype.point.call(this, y, x); +}; - while (i--) { - if (!connectEdge(edge = edges[i], x0, y0, x1, y1) - || !clipEdge(edge, x0, y0, x1, y1) - || !(Math.abs(edge[0][0] - edge[1][0]) > epsilon$4 - || Math.abs(edge[0][1] - edge[1][1]) > epsilon$4)) { - delete edges[i]; - } - } +function ReflectContext(context) { + this._context = context; } -function createCell(site) { - return cells[site.index] = { - site: site, - halfedges: [] - }; -} +ReflectContext.prototype = { + moveTo: function(x, y) { this._context.moveTo(y, x); }, + closePath: function() { this._context.closePath(); }, + lineTo: function(x, y) { this._context.lineTo(y, x); }, + bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); } +}; -function cellHalfedgeAngle(cell, edge) { - var site = cell.site, - va = edge.left, - vb = edge.right; - if (site === vb) vb = va, va = site; - if (vb) return Math.atan2(vb[1] - va[1], vb[0] - va[0]); - if (site === va) va = edge[1], vb = edge[0]; - else va = edge[0], vb = edge[1]; - return Math.atan2(va[0] - vb[0], vb[1] - va[1]); +function monotoneX(context) { + return new MonotoneX(context); } -function cellHalfedgeStart(cell, edge) { - return edge[+(edge.left !== cell.site)]; +function monotoneY(context) { + return new MonotoneY(context); } -function cellHalfedgeEnd(cell, edge) { - return edge[+(edge.left === cell.site)]; +function Natural(context) { + this._context = context; } -function sortCellHalfedges() { - for (var i = 0, n = cells.length, cell, halfedges, j, m; i < n; ++i) { - if ((cell = cells[i]) && (m = (halfedges = cell.halfedges).length)) { - var index = new Array(m), - array = new Array(m); - for (j = 0; j < m; ++j) index[j] = j, array[j] = cellHalfedgeAngle(cell, edges[halfedges[j]]); - index.sort(function(i, j) { return array[j] - array[i]; }); - for (j = 0; j < m; ++j) array[j] = halfedges[index[j]]; - for (j = 0; j < m; ++j) halfedges[j] = array[j]; +Natural.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x = []; + this._y = []; + }, + lineEnd: function() { + var x = this._x, + y = this._y, + n = x.length; + + if (n) { + this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]); + if (n === 2) { + this._context.lineTo(x[1], y[1]); + } else { + var px = controlPoints(x), + py = controlPoints(y); + for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) { + this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]); + } + } } + + if (this._line || (this._line !== 0 && n === 1)) this._context.closePath(); + this._line = 1 - this._line; + this._x = this._y = null; + }, + point: function(x, y) { + this._x.push(+x); + this._y.push(+y); } -} +}; -function clipCells(x0, y0, x1, y1) { - var nCells = cells.length, - iCell, - cell, - site, - iHalfedge, - halfedges, - nHalfedges, - start, - startX, - startY, - end, - endX, - endY, - cover = true; +// See https://www.particleincell.com/2012/bezier-splines/ for derivation. +function controlPoints(x) { + var i, + n = x.length - 1, + m, + a = new Array(n), + b = new Array(n), + r = new Array(n); + a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1]; + for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1]; + a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n]; + for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1]; + a[n - 1] = r[n - 1] / b[n - 1]; + for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i]; + b[n - 1] = (x[n] + a[n - 1]) / 2; + for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1]; + return [a, b]; +} - for (iCell = 0; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - site = cell.site; - halfedges = cell.halfedges; - iHalfedge = halfedges.length; +function natural(context) { + return new Natural(context); +} - // Remove any dangling clipped edges. - while (iHalfedge--) { - if (!edges[halfedges[iHalfedge]]) { - halfedges.splice(iHalfedge, 1); - } - } +function Step(context, t) { + this._context = context; + this._t = t; +} - // Insert any border edges as necessary. - iHalfedge = 0, nHalfedges = halfedges.length; - while (iHalfedge < nHalfedges) { - end = cellHalfedgeEnd(cell, edges[halfedges[iHalfedge]]), endX = end[0], endY = end[1]; - start = cellHalfedgeStart(cell, edges[halfedges[++iHalfedge % nHalfedges]]), startX = start[0], startY = start[1]; - if (Math.abs(endX - startX) > epsilon$4 || Math.abs(endY - startY) > epsilon$4) { - halfedges.splice(iHalfedge, 0, edges.push(createBorderEdge(site, end, - Math.abs(endX - x0) < epsilon$4 && y1 - endY > epsilon$4 ? [x0, Math.abs(startX - x0) < epsilon$4 ? startY : y1] - : Math.abs(endY - y1) < epsilon$4 && x1 - endX > epsilon$4 ? [Math.abs(startY - y1) < epsilon$4 ? startX : x1, y1] - : Math.abs(endX - x1) < epsilon$4 && endY - y0 > epsilon$4 ? [x1, Math.abs(startX - x1) < epsilon$4 ? startY : y0] - : Math.abs(endY - y0) < epsilon$4 && endX - x0 > epsilon$4 ? [Math.abs(startY - y0) < epsilon$4 ? startX : x0, y0] - : null)) - 1); - ++nHalfedges; +Step.prototype = { + areaStart: function() { + this._line = 0; + }, + areaEnd: function() { + this._line = NaN; + }, + lineStart: function() { + this._x = this._y = NaN; + this._point = 0; + }, + lineEnd: function() { + if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y); + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line; + }, + point: function(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; + case 1: this._point = 2; // proceed + default: { + if (this._t <= 0) { + this._context.lineTo(this._x, y); + this._context.lineTo(x, y); + } else { + var x1 = this._x * (1 - this._t) + x * this._t; + this._context.lineTo(x1, this._y); + this._context.lineTo(x1, y); } + break; } - - if (nHalfedges) cover = false; - } - } - - // If there weren’t any edges, have the closest site cover the extent. - // It doesn’t matter which corner of the extent we measure! - if (cover) { - var dx, dy, d2, dc = Infinity; - - for (iCell = 0, cover = null; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - site = cell.site; - dx = site[0] - x0; - dy = site[1] - y0; - d2 = dx * dx + dy * dy; - if (d2 < dc) dc = d2, cover = cell; - } - } - - if (cover) { - var v00 = [x0, y0], v01 = [x0, y1], v11 = [x1, y1], v10 = [x1, y0]; - cover.halfedges.push( - edges.push(createBorderEdge(site = cover.site, v00, v01)) - 1, - edges.push(createBorderEdge(site, v01, v11)) - 1, - edges.push(createBorderEdge(site, v11, v10)) - 1, - edges.push(createBorderEdge(site, v10, v00)) - 1 - ); } + this._x = x, this._y = y; } +}; - // Lastly delete any cells with no edges; these were entirely clipped. - for (iCell = 0; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - if (!cell.halfedges.length) { - delete cells[iCell]; - } - } - } +function step(context) { + return new Step(context, 0.5); } -var circlePool = []; - -var firstCircle; - -function Circle() { - RedBlackNode(this); - this.x = - this.y = - this.arc = - this.site = - this.cy = null; +function stepBefore(context) { + return new Step(context, 0); } -function attachCircle(arc) { - var lArc = arc.P, - rArc = arc.N; - - if (!lArc || !rArc) return; - - var lSite = lArc.site, - cSite = arc.site, - rSite = rArc.site; - - if (lSite === rSite) return; - - var bx = cSite[0], - by = cSite[1], - ax = lSite[0] - bx, - ay = lSite[1] - by, - cx = rSite[0] - bx, - cy = rSite[1] - by; - - var d = 2 * (ax * cy - ay * cx); - if (d >= -epsilon2$2) return; - - var ha = ax * ax + ay * ay, - hc = cx * cx + cy * cy, - x = (cy * ha - ay * hc) / d, - y = (ax * hc - cx * ha) / d; - - var circle = circlePool.pop() || new Circle; - circle.arc = arc; - circle.site = cSite; - circle.x = x + bx; - circle.y = (circle.cy = y + by) + Math.sqrt(x * x + y * y); // y bottom - - arc.circle = circle; - - var before = null, - node = circles._; - - while (node) { - if (circle.y < node.y || (circle.y === node.y && circle.x <= node.x)) { - if (node.L) node = node.L; - else { before = node.P; break; } - } else { - if (node.R) node = node.R; - else { before = node; break; } - } - } - - circles.insert(before, circle); - if (!before) firstCircle = circle; +function stepAfter(context) { + return new Step(context, 1); } -function detachCircle(arc) { - var circle = arc.circle; - if (circle) { - if (!circle.P) firstCircle = circle.N; - circles.remove(circle); - circlePool.push(circle); - RedBlackNode(circle); - arc.circle = null; +function none$1(series, order) { + if (!((n = series.length) > 1)) return; + for (var i = 1, j, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { + s0 = s1, s1 = series[order[i]]; + for (j = 0; j < m; ++j) { + s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; + } } } -var beachPool = []; - -function Beach() { - RedBlackNode(this); - this.edge = - this.site = - this.circle = null; +function none(series) { + var n = series.length, o = new Array(n); + while (--n >= 0) o[n] = n; + return o; } -function createBeach(site) { - var beach = beachPool.pop() || new Beach; - beach.site = site; - return beach; +function stackValue(d, key) { + return d[key]; } -function detachBeach(beach) { - detachCircle(beach); - beaches.remove(beach); - beachPool.push(beach); - RedBlackNode(beach); +function stackSeries(key) { + const series = []; + series.key = key; + return series; } -function removeBeach(beach) { - var circle = beach.circle, - x = circle.x, - y = circle.cy, - vertex = [x, y], - previous = beach.P, - next = beach.N, - disappearing = [beach]; +function stack() { + var keys = constant$1([]), + order = none, + offset = none$1, + value = stackValue; - detachBeach(beach); + function stack(data) { + var sz = Array.from(keys.apply(this, arguments), stackSeries), + i, n = sz.length, j = -1, + oz; - var lArc = previous; - while (lArc.circle - && Math.abs(x - lArc.circle.x) < epsilon$4 - && Math.abs(y - lArc.circle.cy) < epsilon$4) { - previous = lArc.P; - disappearing.unshift(lArc); - detachBeach(lArc); - lArc = previous; - } + for (const d of data) { + for (i = 0, ++j; i < n; ++i) { + (sz[i][j] = [0, +value(d, sz[i].key, j, data)]).data = d; + } + } - disappearing.unshift(lArc); - detachCircle(lArc); + for (i = 0, oz = array(order(sz)); i < n; ++i) { + sz[oz[i]].index = i; + } - var rArc = next; - while (rArc.circle - && Math.abs(x - rArc.circle.x) < epsilon$4 - && Math.abs(y - rArc.circle.cy) < epsilon$4) { - next = rArc.N; - disappearing.push(rArc); - detachBeach(rArc); - rArc = next; + offset(sz, oz); + return sz; } - disappearing.push(rArc); - detachCircle(rArc); + stack.keys = function(_) { + return arguments.length ? (keys = typeof _ === "function" ? _ : constant$1(Array.from(_)), stack) : keys; + }; - var nArcs = disappearing.length, - iArc; - for (iArc = 1; iArc < nArcs; ++iArc) { - rArc = disappearing[iArc]; - lArc = disappearing[iArc - 1]; - setEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); - } + stack.value = function(_) { + return arguments.length ? (value = typeof _ === "function" ? _ : constant$1(+_), stack) : value; + }; + + stack.order = function(_) { + return arguments.length ? (order = _ == null ? none : typeof _ === "function" ? _ : constant$1(Array.from(_)), stack) : order; + }; - lArc = disappearing[0]; - rArc = disappearing[nArcs - 1]; - rArc.edge = createEdge(lArc.site, rArc.site, null, vertex); + stack.offset = function(_) { + return arguments.length ? (offset = _ == null ? none$1 : _, stack) : offset; + }; - attachCircle(lArc); - attachCircle(rArc); + return stack; } -function addBeach(site) { - var x = site[0], - directrix = site[1], - lArc, - rArc, - dxl, - dxr, - node = beaches._; +function expand(series, order) { + if (!((n = series.length) > 0)) return; + for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { + for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; + if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; + } + none$1(series, order); +} - while (node) { - dxl = leftBreakPoint(node, directrix) - x; - if (dxl > epsilon$4) node = node.L; else { - dxr = x - rightBreakPoint(node, directrix); - if (dxr > epsilon$4) { - if (!node.R) { - lArc = node; - break; - } - node = node.R; +function diverging(series, order) { + if (!((n = series.length) > 0)) return; + for (var i, j = 0, d, dy, yp, yn, n, m = series[order[0]].length; j < m; ++j) { + for (yp = yn = 0, i = 0; i < n; ++i) { + if ((dy = (d = series[order[i]][j])[1] - d[0]) > 0) { + d[0] = yp, d[1] = yp += dy; + } else if (dy < 0) { + d[1] = yn, d[0] = yn += dy; } else { - if (dxl > -epsilon$4) { - lArc = node.P; - rArc = node; - } else if (dxr > -epsilon$4) { - lArc = node; - rArc = node.N; - } else { - lArc = rArc = node; - } - break; + d[0] = 0, d[1] = dy; } } } +} - createCell(site); - var newArc = createBeach(site); - beaches.insert(lArc, newArc); - - if (!lArc && !rArc) return; - - if (lArc === rArc) { - detachCircle(lArc); - rArc = createBeach(lArc.site); - beaches.insert(newArc, rArc); - newArc.edge = rArc.edge = createEdge(lArc.site, newArc.site); - attachCircle(lArc); - attachCircle(rArc); - return; +function silhouette(series, order) { + if (!((n = series.length) > 0)) return; + for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { + for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; + s0[j][1] += s0[j][0] = -y / 2; } + none$1(series, order); +} - if (!rArc) { // && lArc - newArc.edge = createEdge(lArc.site, newArc.site); - return; +function wiggle(series, order) { + if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; + for (var y = 0, j = 1, s0, m, n; j < m; ++j) { + for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { + var si = series[order[i]], + sij0 = si[j][1] || 0, + sij1 = si[j - 1][1] || 0, + s3 = (sij0 - sij1) / 2; + for (var k = 0; k < i; ++k) { + var sk = series[order[k]], + skj0 = sk[j][1] || 0, + skj1 = sk[j - 1][1] || 0; + s3 += skj0 - skj1; + } + s1 += sij0, s2 += s3 * sij0; + } + s0[j - 1][1] += s0[j - 1][0] = y; + if (s1) y -= s2 / s1; } - - // else lArc !== rArc - detachCircle(lArc); - detachCircle(rArc); - - var lSite = lArc.site, - ax = lSite[0], - ay = lSite[1], - bx = site[0] - ax, - by = site[1] - ay, - rSite = rArc.site, - cx = rSite[0] - ax, - cy = rSite[1] - ay, - d = 2 * (bx * cy - by * cx), - hb = bx * bx + by * by, - hc = cx * cx + cy * cy, - vertex = [(cy * hb - by * hc) / d + ax, (bx * hc - cx * hb) / d + ay]; - - setEdgeEnd(rArc.edge, lSite, rSite, vertex); - newArc.edge = createEdge(lSite, site, null, vertex); - rArc.edge = createEdge(site, rSite, null, vertex); - attachCircle(lArc); - attachCircle(rArc); + s0[j - 1][1] += s0[j - 1][0] = y; + none$1(series, order); } -function leftBreakPoint(arc, directrix) { - var site = arc.site, - rfocx = site[0], - rfocy = site[1], - pby2 = rfocy - directrix; - - if (!pby2) return rfocx; - - var lArc = arc.P; - if (!lArc) return -Infinity; - - site = lArc.site; - var lfocx = site[0], - lfocy = site[1], - plby2 = lfocy - directrix; - - if (!plby2) return lfocx; - - var hl = lfocx - rfocx, - aby2 = 1 / pby2 - 1 / plby2, - b = hl / plby2; - - if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; - - return (rfocx + lfocx) / 2; +function appearance(series) { + var peaks = series.map(peak); + return none(series).sort(function(a, b) { return peaks[a] - peaks[b]; }); } -function rightBreakPoint(arc, directrix) { - var rArc = arc.N; - if (rArc) return leftBreakPoint(rArc, directrix); - var site = arc.site; - return site[1] === directrix ? site[0] : Infinity; +function peak(series) { + var i = -1, j = 0, n = series.length, vi, vj = -Infinity; + while (++i < n) if ((vi = +series[i][1]) > vj) vj = vi, j = i; + return j; } -var epsilon$4 = 1e-6; -var epsilon2$2 = 1e-12; -var beaches; -var cells; -var circles; -var edges; - -function triangleArea(a, b, c) { - return (a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]); +function ascending(series) { + var sums = series.map(sum); + return none(series).sort(function(a, b) { return sums[a] - sums[b]; }); } -function lexicographic(a, b) { - return b[1] - a[1] - || b[0] - a[0]; +function sum(series) { + var s = 0, i = -1, n = series.length, v; + while (++i < n) if (v = +series[i][1]) s += v; + return s; } -function Diagram(sites, extent) { - var site = sites.sort(lexicographic).pop(), - x, - y, - circle; +function descending(series) { + return ascending(series).reverse(); +} - edges = []; - cells = new Array(sites.length); - beaches = new RedBlackTree; - circles = new RedBlackTree; +function insideOut(series) { + var n = series.length, + i, + j, + sums = series.map(sum), + order = appearance(series), + top = 0, + bottom = 0, + tops = [], + bottoms = []; - while (true) { - circle = firstCircle; - if (site && (!circle || site[1] < circle.y || (site[1] === circle.y && site[0] < circle.x))) { - if (site[0] !== x || site[1] !== y) { - addBeach(site); - x = site[0], y = site[1]; - } - site = sites.pop(); - } else if (circle) { - removeBeach(circle.arc); + for (i = 0; i < n; ++i) { + j = order[i]; + if (top < bottom) { + top += sums[j]; + tops.push(j); } else { - break; + bottom += sums[j]; + bottoms.push(j); } } - sortCellHalfedges(); - - if (extent) { - var x0 = +extent[0][0], - y0 = +extent[0][1], - x1 = +extent[1][0], - y1 = +extent[1][1]; - clipEdges(x0, y0, x1, y1); - clipCells(x0, y0, x1, y1); - } - - this.edges = edges; - this.cells = cells; - - beaches = - circles = - edges = - cells = null; -} - -Diagram.prototype = { - constructor: Diagram, - - polygons: function() { - var edges = this.edges; - - return this.cells.map(function(cell) { - var polygon = cell.halfedges.map(function(i) { return cellHalfedgeStart(cell, edges[i]); }); - polygon.data = cell.site.data; - return polygon; - }); - }, - - triangles: function() { - var triangles = [], - edges = this.edges; - - this.cells.forEach(function(cell, i) { - if (!(m = (halfedges = cell.halfedges).length)) return; - var site = cell.site, - halfedges, - j = -1, - m, - s0, - e1 = edges[halfedges[m - 1]], - s1 = e1.left === site ? e1.right : e1.left; - - while (++j < m) { - s0 = s1; - e1 = edges[halfedges[j]]; - s1 = e1.left === site ? e1.right : e1.left; - if (s0 && s1 && i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) { - triangles.push([site.data, s0.data, s1.data]); - } - } - }); - - return triangles; - }, - - links: function() { - return this.edges.filter(function(edge) { - return edge.right; - }).map(function(edge) { - return { - source: edge.left.data, - target: edge.right.data - }; - }); - }, - - find: function(x, y, radius) { - var that = this, i0, i1 = that._found || 0, n = that.cells.length, cell; - - // Use the previously-found cell, or start with an arbitrary one. - while (!(cell = that.cells[i1])) if (++i1 >= n) return null; - var dx = x - cell.site[0], dy = y - cell.site[1], d2 = dx * dx + dy * dy; - - // Traverse the half-edges to find a closer cell, if any. - do { - cell = that.cells[i0 = i1], i1 = null; - cell.halfedges.forEach(function(e) { - var edge = that.edges[e], v = edge.left; - if ((v === cell.site || !v) && !(v = edge.right)) return; - var vx = x - v[0], vy = y - v[1], v2 = vx * vx + vy * vy; - if (v2 < d2) d2 = v2, i1 = v.index; - }); - } while (i1 !== null); - - that._found = i0; - - return radius == null || d2 <= radius * radius ? cell.site : null; - } -}; - -function voronoi() { - var x = x$4, - y = y$4, - extent = null; - - function voronoi(data) { - return new Diagram(data.map(function(d, i) { - var s = [Math.round(x(d, i, data) / epsilon$4) * epsilon$4, Math.round(y(d, i, data) / epsilon$4) * epsilon$4]; - s.index = i; - s.data = d; - return s; - }), extent); - } - - voronoi.polygons = function(data) { - return voronoi(data).polygons(); - }; - - voronoi.links = function(data) { - return voronoi(data).links(); - }; - - voronoi.triangles = function(data) { - return voronoi(data).triangles(); - }; - - voronoi.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$c(+_), voronoi) : x; - }; - - voronoi.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$c(+_), voronoi) : y; - }; - - voronoi.extent = function(_) { - return arguments.length ? (extent = _ == null ? null : [[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]], voronoi) : extent && [[extent[0][0], extent[0][1]], [extent[1][0], extent[1][1]]]; - }; - - voronoi.size = function(_) { - return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0] - extent[0][0], extent[1][1] - extent[0][1]]; - }; - - return voronoi; -} - -function constant$d(x) { - return function() { - return x; - }; + return bottoms.reverse().concat(tops); } -function ZoomEvent(target, type, transform) { - this.target = target; - this.type = type; - this.transform = transform; +function reverse(series) { + return none(series).reverse(); +} + +var constant = x => () => x; + +function ZoomEvent(type, { + sourceEvent, + target, + transform, + dispatch +}) { + Object.defineProperties(this, { + type: {value: type, enumerable: true, configurable: true}, + sourceEvent: {value: sourceEvent, enumerable: true, configurable: true}, + target: {value: target, enumerable: true, configurable: true}, + transform: {value: transform, enumerable: true, configurable: true}, + _: {value: dispatch} + }); } function Transform(k, x, y) { @@ -17641,30 +18716,31 @@ Transform.prototype = { } }; -var identity$9 = new Transform(1, 0, 0); +var identity = new Transform(1, 0, 0); -transform$1.prototype = Transform.prototype; +transform.prototype = Transform.prototype; -function transform$1(node) { - while (!node.__zoom) if (!(node = node.parentNode)) return identity$9; +function transform(node) { + while (!node.__zoom) if (!(node = node.parentNode)) return identity; return node.__zoom; } -function nopropagation$2() { - exports.event.stopImmediatePropagation(); +function nopropagation(event) { + event.stopImmediatePropagation(); } -function noevent$2() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); +function noevent(event) { + event.preventDefault(); + event.stopImmediatePropagation(); } // Ignore right-click, since that should open the context menu. -function defaultFilter$2() { - return !exports.event.ctrlKey && !exports.event.button; +// except for pinch-to-zoom, which is sent as a wheel+ctrlKey event +function defaultFilter(event) { + return (!event.ctrlKey || event.type === 'wheel') && !event.button; } -function defaultExtent$1() { +function defaultExtent() { var e = this; if (e instanceof SVGElement) { e = e.ownerSVGElement || e; @@ -17678,14 +18754,14 @@ function defaultExtent$1() { } function defaultTransform() { - return this.__zoom || identity$9; + return this.__zoom || identity; } -function defaultWheelDelta() { - return -exports.event.deltaY * (exports.event.deltaMode === 1 ? 0.05 : exports.event.deltaMode ? 1 : 0.002); +function defaultWheelDelta(event) { + return -event.deltaY * (event.deltaMode === 1 ? 0.05 : event.deltaMode ? 1 : 0.002) * (event.ctrlKey ? 10 : 1); } -function defaultTouchable$2() { +function defaultTouchable() { return navigator.maxTouchPoints || ("ontouchstart" in this); } @@ -17701,21 +18777,23 @@ function defaultConstrain(transform, extent, translateExtent) { } function zoom() { - var filter = defaultFilter$2, - extent = defaultExtent$1, + var filter = defaultFilter, + extent = defaultExtent, constrain = defaultConstrain, wheelDelta = defaultWheelDelta, - touchable = defaultTouchable$2, + touchable = defaultTouchable, scaleExtent = [0, Infinity], translateExtent = [[-Infinity, -Infinity], [Infinity, Infinity]], duration = 250, interpolate = interpolateZoom, listeners = dispatch("start", "zoom", "end"), touchstarting, + touchfirst, touchending, touchDelay = 500, wheelDelay = 150, - clickDistance2 = 0; + clickDistance2 = 0, + tapDistance = 10; function zoom(selection) { selection @@ -17727,34 +18805,34 @@ function zoom() { .on("touchstart.zoom", touchstarted) .on("touchmove.zoom", touchmoved) .on("touchend.zoom touchcancel.zoom", touchended) - .style("touch-action", "none") .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); } - zoom.transform = function(collection, transform, point) { + zoom.transform = function(collection, transform, point, event) { var selection = collection.selection ? collection.selection() : collection; selection.property("__zoom", defaultTransform); if (collection !== selection) { - schedule(collection, transform, point); + schedule(collection, transform, point, event); } else { selection.interrupt().each(function() { gesture(this, arguments) - .start() - .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) - .end(); + .event(event) + .start() + .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) + .end(); }); } }; - zoom.scaleBy = function(selection, k, p) { + zoom.scaleBy = function(selection, k, p, event) { zoom.scaleTo(selection, function() { var k0 = this.__zoom.k, k1 = typeof k === "function" ? k.apply(this, arguments) : k; return k0 * k1; - }, p); + }, p, event); }; - zoom.scaleTo = function(selection, k, p) { + zoom.scaleTo = function(selection, k, p, event) { zoom.transform(selection, function() { var e = extent.apply(this, arguments), t0 = this.__zoom, @@ -17762,28 +18840,28 @@ function zoom() { p1 = t0.invert(p0), k1 = typeof k === "function" ? k.apply(this, arguments) : k; return constrain(translate(scale(t0, k1), p0, p1), e, translateExtent); - }, p); + }, p, event); }; - zoom.translateBy = function(selection, x, y) { + zoom.translateBy = function(selection, x, y, event) { zoom.transform(selection, function() { return constrain(this.__zoom.translate( typeof x === "function" ? x.apply(this, arguments) : x, typeof y === "function" ? y.apply(this, arguments) : y ), extent.apply(this, arguments), translateExtent); - }); + }, null, event); }; - zoom.translateTo = function(selection, x, y, p) { + zoom.translateTo = function(selection, x, y, p, event) { zoom.transform(selection, function() { var e = extent.apply(this, arguments), t = this.__zoom, p0 = p == null ? centroid(e) : typeof p === "function" ? p.apply(this, arguments) : p; - return constrain(identity$9.translate(p0[0], p0[1]).scale(t.k).translate( + return constrain(identity.translate(p0[0], p0[1]).scale(t.k).translate( typeof x === "function" ? -x.apply(this, arguments) : -x, typeof y === "function" ? -y.apply(this, arguments) : -y ), e, translateExtent); - }, p); + }, p, event); }; function scale(transform, k) { @@ -17800,14 +18878,14 @@ function zoom() { return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; } - function schedule(transition, transform, point) { + function schedule(transition, transform, point, event) { transition - .on("start.zoom", function() { gesture(this, arguments).start(); }) - .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) + .on("start.zoom", function() { gesture(this, arguments).event(event).start(); }) + .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).event(event).end(); }) .tween("zoom", function() { var that = this, args = arguments, - g = gesture(that, args), + g = gesture(that, args).event(event), e = extent.apply(that, args), p = point == null ? centroid(e) : typeof point === "function" ? point.apply(that, args) : point, w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), @@ -17830,11 +18908,16 @@ function zoom() { this.that = that; this.args = args; this.active = 0; + this.sourceEvent = null; this.extent = extent.apply(that, args); this.taps = 0; } Gesture.prototype = { + event: function(event) { + if (event) this.sourceEvent = event; + return this; + }, start: function() { if (++this.active === 1) { this.that.__zooming = this; @@ -17858,16 +18941,28 @@ function zoom() { return this; }, emit: function(type) { - customEvent(new ZoomEvent(zoom, type, this.that.__zoom), listeners.apply, listeners, [type, this.that, this.args]); + var d = select(this.that).datum(); + listeners.call( + type, + this.that, + new ZoomEvent(type, { + sourceEvent: this.sourceEvent, + target: zoom, + type, + transform: this.that.__zoom, + dispatch: listeners + }), + d + ); } }; - function wheeled() { + function wheeled(event, ...args) { if (!filter.apply(this, arguments)) return; - var g = gesture(this, arguments), + var g = gesture(this, args).event(event), t = this.__zoom, k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], t.k * Math.pow(2, wheelDelta.apply(this, arguments)))), - p = mouse(this); + p = pointer(event); // If the mouse is in the same location as before, reuse it. // If there were recent wheel events, reset the wheel idle timeout. @@ -17888,7 +18983,7 @@ function zoom() { g.start(); } - noevent$2(); + noevent(event); g.wheel = setTimeout(wheelidled, wheelDelay); g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent, translateExtent)); @@ -17898,60 +18993,62 @@ function zoom() { } } - function mousedowned() { + function mousedowned(event, ...args) { if (touchending || !filter.apply(this, arguments)) return; - var g = gesture(this, arguments, true), - v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), - p = mouse(this), - x0 = exports.event.clientX, - y0 = exports.event.clientY; - - dragDisable(exports.event.view); - nopropagation$2(); + var g = gesture(this, args, true).event(event), + v = select(event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), + p = pointer(event, currentTarget), + currentTarget = event.currentTarget, + x0 = event.clientX, + y0 = event.clientY; + + dragDisable(event.view); + nopropagation(event); g.mouse = [p, this.__zoom.invert(p)]; interrupt(this); g.start(); - function mousemoved() { - noevent$2(); + function mousemoved(event) { + noevent(event); if (!g.moved) { - var dx = exports.event.clientX - x0, dy = exports.event.clientY - y0; + var dx = event.clientX - x0, dy = event.clientY - y0; g.moved = dx * dx + dy * dy > clickDistance2; } - g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent, translateExtent)); + g.event(event) + .zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = pointer(event, currentTarget), g.mouse[1]), g.extent, translateExtent)); } - function mouseupped() { + function mouseupped(event) { v.on("mousemove.zoom mouseup.zoom", null); - yesdrag(exports.event.view, g.moved); - noevent$2(); - g.end(); + yesdrag(event.view, g.moved); + noevent(event); + g.event(event).end(); } } - function dblclicked() { + function dblclicked(event, ...args) { if (!filter.apply(this, arguments)) return; var t0 = this.__zoom, - p0 = mouse(this), + p0 = pointer(event.changedTouches ? event.changedTouches[0] : event, this), p1 = t0.invert(p0), - k1 = t0.k * (exports.event.shiftKey ? 0.5 : 2), - t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments), translateExtent); + k1 = t0.k * (event.shiftKey ? 0.5 : 2), + t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, args), translateExtent); - noevent$2(); - if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0); - else select(this).call(zoom.transform, t1); + noevent(event); + if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0, event); + else select(this).call(zoom.transform, t1, p0, event); } - function touchstarted() { + function touchstarted(event, ...args) { if (!filter.apply(this, arguments)) return; - var touches = exports.event.touches, + var touches = event.touches, n = touches.length, - g = gesture(this, arguments, exports.event.changedTouches.length === n), + g = gesture(this, args, event.changedTouches.length === n).event(event), started, i, t, p; - nopropagation$2(); + nopropagation(event); for (i = 0; i < n; ++i) { - t = touches[i], p = touch(this, touches, t.identifier); + t = touches[i], p = pointer(t, this); p = [p, this.__zoom.invert(p), t.identifier]; if (!g.touch0) g.touch0 = p, started = true, g.taps = 1 + !!touchstarting; else if (!g.touch1 && g.touch0[2] !== p[2]) g.touch1 = p, g.taps = 0; @@ -17960,23 +19057,21 @@ function zoom() { if (touchstarting) touchstarting = clearTimeout(touchstarting); if (started) { - if (g.taps < 2) touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); + if (g.taps < 2) touchfirst = p[0], touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); interrupt(this); g.start(); } } - function touchmoved() { + function touchmoved(event, ...args) { if (!this.__zooming) return; - var g = gesture(this, arguments), - touches = exports.event.changedTouches, + var g = gesture(this, args).event(event), + touches = event.changedTouches, n = touches.length, i, t, p, l; - noevent$2(); - if (touchstarting) touchstarting = clearTimeout(touchstarting); - g.taps = 0; + noevent(event); for (i = 0; i < n; ++i) { - t = touches[i], p = touch(this, touches, t.identifier); + t = touches[i], p = pointer(t, this); if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; } @@ -17992,16 +19087,17 @@ function zoom() { } else if (g.touch0) p = g.touch0[0], l = g.touch0[1]; else return; + g.zoom("touch", constrain(translate(t, p, l), g.extent, translateExtent)); } - function touchended() { + function touchended(event, ...args) { if (!this.__zooming) return; - var g = gesture(this, arguments), - touches = exports.event.changedTouches, + var g = gesture(this, args).event(event), + touches = event.changedTouches, n = touches.length, i, t; - nopropagation$2(); + nopropagation(event); if (touchending) clearTimeout(touchending); touchending = setTimeout(function() { touchending = null; }, touchDelay); for (i = 0; i < n; ++i) { @@ -18015,26 +19111,29 @@ function zoom() { g.end(); // If this was a dbltap, reroute to the (optional) dblclick.zoom handler. if (g.taps === 2) { - var p = select(this).on("dblclick.zoom"); - if (p) p.apply(this, arguments); + t = pointer(t, this); + if (Math.hypot(touchfirst[0] - t[0], touchfirst[1] - t[1]) < tapDistance) { + var p = select(this).on("dblclick.zoom"); + if (p) p.apply(this, arguments); + } } } } zoom.wheelDelta = function(_) { - return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant$d(+_), zoom) : wheelDelta; + return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant(+_), zoom) : wheelDelta; }; zoom.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$d(!!_), zoom) : filter; + return arguments.length ? (filter = typeof _ === "function" ? _ : constant(!!_), zoom) : filter; }; zoom.touchable = function(_) { - return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$d(!!_), zoom) : touchable; + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant(!!_), zoom) : touchable; }; zoom.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$d([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; + return arguments.length ? (extent = typeof _ === "function" ? _ : constant([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; }; zoom.scaleExtent = function(_) { @@ -18066,21 +19165,32 @@ function zoom() { return arguments.length ? (clickDistance2 = (_ = +_) * _, zoom) : Math.sqrt(clickDistance2); }; + zoom.tapDistance = function(_) { + return arguments.length ? (tapDistance = +_, zoom) : tapDistance; + }; + return zoom; } +exports.Adder = Adder; +exports.Delaunay = Delaunay; exports.FormatSpecifier = FormatSpecifier; +exports.InternMap = InternMap; +exports.InternSet = InternSet; +exports.Voronoi = Voronoi; exports.active = active; exports.arc = arc; -exports.area = area$3; +exports.area = area; exports.areaRadial = areaRadial; -exports.ascending = ascending; +exports.ascending = ascending$3; exports.autoType = autoType; exports.axisBottom = axisBottom; exports.axisLeft = axisLeft; exports.axisRight = axisRight; exports.axisTop = axisTop; +exports.bin = bin; exports.bisect = bisectRight; +exports.bisectCenter = bisectCenter; exports.bisectLeft = bisectLeft; exports.bisectRight = bisectRight; exports.bisector = bisector; @@ -18091,15 +19201,17 @@ exports.brushX = brushX; exports.brushY = brushY; exports.buffer = buffer; exports.chord = chord; -exports.clientPoint = point; +exports.chordDirected = chordDirected; +exports.chordTranspose = chordTranspose; exports.cluster = cluster; exports.color = color; exports.contourDensity = density; exports.contours = contours; -exports.create = create; +exports.count = count$1; +exports.create = create$1; exports.creator = creator; -exports.cross = cross; -exports.csv = csv$1; +exports.cross = cross$2; +exports.csv = csv; exports.csvFormat = csvFormat; exports.csvFormatBody = csvFormatBody; exports.csvFormatRow = csvFormatRow; @@ -18107,10 +19219,13 @@ exports.csvFormatRows = csvFormatRows; exports.csvFormatValue = csvFormatValue; exports.csvParse = csvParse; exports.csvParseRows = csvParseRows; -exports.cubehelix = cubehelix; -exports.curveBasis = basis$2; -exports.curveBasisClosed = basisClosed$1; +exports.cubehelix = cubehelix$3; +exports.cumsum = cumsum; +exports.curveBasis = basis; +exports.curveBasisClosed = basisClosed; exports.curveBasisOpen = basisOpen; +exports.curveBumpX = bumpX; +exports.curveBumpY = bumpY; exports.curveBundle = bundle; exports.curveCardinal = cardinal; exports.curveCardinalClosed = cardinalClosed; @@ -18126,9 +19241,10 @@ exports.curveNatural = natural; exports.curveStep = step; exports.curveStepAfter = stepAfter; exports.curveStepBefore = stepBefore; -exports.customEvent = customEvent; -exports.descending = descending; +exports.descending = descending$2; exports.deviation = deviation; +exports.difference = difference; +exports.disjoint = disjoint; exports.dispatch = dispatch; exports.drag = drag; exports.dragDisable = dragDisable; @@ -18172,32 +19288,35 @@ exports.easeSin = sinInOut; exports.easeSinIn = sinIn; exports.easeSinInOut = sinInOut; exports.easeSinOut = sinOut; -exports.entries = entries; -exports.extent = extent; -exports.forceCenter = center$1; +exports.every = every; +exports.extent = extent$1; +exports.fcumsum = fcumsum; +exports.filter = filter$1; +exports.forceCenter = center; exports.forceCollide = collide; -exports.forceLink = link; +exports.forceLink = link$2; exports.forceManyBody = manyBody; -exports.forceRadial = radial; +exports.forceRadial = radial$1; exports.forceSimulation = simulation; -exports.forceX = x$2; -exports.forceY = y$2; -exports.formatDefaultLocale = defaultLocale; -exports.formatLocale = formatLocale; +exports.forceX = x$1; +exports.forceY = y$1; +exports.formatDefaultLocale = defaultLocale$1; +exports.formatLocale = formatLocale$1; exports.formatSpecifier = formatSpecifier; +exports.fsum = fsum; exports.geoAlbers = albers; exports.geoAlbersUsa = albersUsa; -exports.geoArea = area$1; +exports.geoArea = area$2; exports.geoAzimuthalEqualArea = azimuthalEqualArea; exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw; exports.geoAzimuthalEquidistant = azimuthalEquidistant; exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; exports.geoBounds = bounds; -exports.geoCentroid = centroid; -exports.geoCircle = circle; +exports.geoCentroid = centroid$1; +exports.geoCircle = circle$2; exports.geoClipAntimeridian = clipAntimeridian; exports.geoClipCircle = clipCircle; -exports.geoClipExtent = extent$1; +exports.geoClipExtent = extent; exports.geoClipRectangle = clipRectangle; exports.geoConicConformal = conicConformal; exports.geoConicConformalRaw = conicConformalRaw; @@ -18215,8 +19334,8 @@ exports.geoGnomonic = gnomonic; exports.geoGnomonicRaw = gnomonicRaw; exports.geoGraticule = graticule; exports.geoGraticule10 = graticule10; -exports.geoIdentity = identity$5; -exports.geoInterpolate = interpolate$1; +exports.geoIdentity = identity$4; +exports.geoInterpolate = interpolate; exports.geoLength = length$1; exports.geoMercator = mercator; exports.geoMercatorRaw = mercatorRaw; @@ -18224,27 +19343,34 @@ exports.geoNaturalEarth1 = naturalEarth1; exports.geoNaturalEarth1Raw = naturalEarth1Raw; exports.geoOrthographic = orthographic; exports.geoOrthographicRaw = orthographicRaw; -exports.geoPath = index$1; +exports.geoPath = index$2; exports.geoProjection = projection; exports.geoProjectionMutator = projectionMutator; exports.geoRotation = rotation; exports.geoStereographic = stereographic; exports.geoStereographicRaw = stereographicRaw; exports.geoStream = geoStream; -exports.geoTransform = transform; +exports.geoTransform = transform$1; exports.geoTransverseMercator = transverseMercator; exports.geoTransverseMercatorRaw = transverseMercatorRaw; exports.gray = gray; -exports.hcl = hcl; +exports.greatest = greatest; +exports.greatestIndex = greatestIndex; +exports.group = group; +exports.groupSort = groupSort; +exports.groups = groups; +exports.hcl = hcl$2; exports.hierarchy = hierarchy; -exports.histogram = histogram; -exports.hsl = hsl; +exports.histogram = bin; +exports.hsl = hsl$2; exports.html = html; exports.image = image; -exports.interpolate = interpolateValue; -exports.interpolateArray = array$1; -exports.interpolateBasis = basis$1; -exports.interpolateBasisClosed = basisClosed; +exports.index = index$4; +exports.indexes = indexes; +exports.interpolate = interpolate$2; +exports.interpolateArray = array$3; +exports.interpolateBasis = basis$2; +exports.interpolateBasisClosed = basisClosed$1; exports.interpolateBlues = Blues; exports.interpolateBrBG = BrBG; exports.interpolateBuGn = BuGn; @@ -18252,24 +19378,24 @@ exports.interpolateBuPu = BuPu; exports.interpolateCividis = cividis; exports.interpolateCool = cool; exports.interpolateCubehelix = cubehelix$2; -exports.interpolateCubehelixDefault = cubehelix$3; +exports.interpolateCubehelixDefault = cubehelix; exports.interpolateCubehelixLong = cubehelixLong; -exports.interpolateDate = date; +exports.interpolateDate = date$1; exports.interpolateDiscrete = discrete; exports.interpolateGnBu = GnBu; exports.interpolateGreens = Greens; exports.interpolateGreys = Greys; -exports.interpolateHcl = hcl$2; +exports.interpolateHcl = hcl$1; exports.interpolateHclLong = hclLong; -exports.interpolateHsl = hsl$2; +exports.interpolateHsl = hsl$1; exports.interpolateHslLong = hslLong; -exports.interpolateHue = hue$1; +exports.interpolateHue = hue; exports.interpolateInferno = inferno; -exports.interpolateLab = lab$1; +exports.interpolateLab = lab; exports.interpolateMagma = magma; exports.interpolateNumber = interpolateNumber; exports.interpolateNumberArray = numberArray; -exports.interpolateObject = object; +exports.interpolateObject = object$1; exports.interpolateOrRd = OrRd; exports.interpolateOranges = Oranges; exports.interpolatePRGn = PRGn; @@ -18305,32 +19431,35 @@ exports.interpolateYlOrBr = YlOrBr; exports.interpolateYlOrRd = YlOrRd; exports.interpolateZoom = interpolateZoom; exports.interrupt = interrupt; -exports.interval = interval$1; +exports.intersection = intersection; +exports.interval = interval; exports.isoFormat = formatIso; exports.isoParse = parseIso; exports.json = json; -exports.keys = keys; -exports.lab = lab; +exports.lab = lab$1; exports.lch = lch; +exports.least = least; +exports.leastIndex = leastIndex; exports.line = line; exports.lineRadial = lineRadial$1; exports.linkHorizontal = linkHorizontal; exports.linkRadial = linkRadial; exports.linkVertical = linkVertical; -exports.local = local; +exports.local = local$1; exports.map = map$1; exports.matcher = matcher; -exports.max = max; +exports.max = max$3; +exports.maxIndex = maxIndex; exports.mean = mean; exports.median = median; exports.merge = merge; -exports.min = min; -exports.mouse = mouse; +exports.min = min$2; +exports.minIndex = minIndex; exports.namespace = namespace; exports.namespaces = namespaces; -exports.nest = nest; +exports.nice = nice$1; exports.now = now; -exports.pack = index$2; +exports.pack = index$1; exports.packEnclose = enclose; exports.packSiblings = siblings; exports.pairs = pairs; @@ -18340,43 +19469,65 @@ exports.permute = permute; exports.pie = pie; exports.piecewise = piecewise; exports.pointRadial = pointRadial; -exports.polygonArea = area$2; -exports.polygonCentroid = centroid$1; -exports.polygonContains = contains$2; +exports.pointer = pointer; +exports.pointers = pointers; +exports.polygonArea = area$1; +exports.polygonCentroid = centroid; +exports.polygonContains = contains; exports.polygonHull = hull; -exports.polygonLength = length$2; +exports.polygonLength = length; exports.precisionFixed = precisionFixed; exports.precisionPrefix = precisionPrefix; exports.precisionRound = precisionRound; exports.quadtree = quadtree; -exports.quantile = threshold; -exports.quantize = quantize; +exports.quantile = quantile$1; +exports.quantileSorted = quantileSorted; +exports.quantize = quantize$1; +exports.quickselect = quickselect; exports.radialArea = areaRadial; exports.radialLine = lineRadial$1; exports.randomBates = bates; -exports.randomExponential = exponential$1; +exports.randomBernoulli = bernoulli; +exports.randomBeta = beta; +exports.randomBinomial = binomial; +exports.randomCauchy = cauchy; +exports.randomExponential = exponential; +exports.randomGamma = gamma; +exports.randomGeometric = geometric; +exports.randomInt = int; exports.randomIrwinHall = irwinHall; +exports.randomLcg = lcg; exports.randomLogNormal = logNormal; +exports.randomLogistic = logistic; exports.randomNormal = normal; +exports.randomPareto = pareto; +exports.randomPoisson = poisson; exports.randomUniform = uniform; +exports.randomWeibull = weibull; exports.range = sequence; +exports.reduce = reduce; +exports.reverse = reverse$1; exports.rgb = rgb; -exports.ribbon = ribbon; +exports.ribbon = ribbon$1; +exports.ribbonArrow = ribbonArrow; +exports.rollup = rollup; +exports.rollups = rollups; exports.scaleBand = band; -exports.scaleDiverging = diverging; +exports.scaleDiverging = diverging$1; exports.scaleDivergingLog = divergingLog; exports.scaleDivergingPow = divergingPow; exports.scaleDivergingSqrt = divergingSqrt; exports.scaleDivergingSymlog = divergingSymlog; -exports.scaleIdentity = identity$7; +exports.scaleIdentity = identity$2; exports.scaleImplicit = implicit; -exports.scaleLinear = linear$2; -exports.scaleLog = log$1; +exports.scaleLinear = linear; +exports.scaleLog = log; exports.scaleOrdinal = ordinal; -exports.scalePoint = point$1; -exports.scalePow = pow$1; +exports.scalePoint = point$4; +exports.scalePow = pow; exports.scaleQuantile = quantile; -exports.scaleQuantize = quantize$1; +exports.scaleQuantize = quantize; +exports.scaleRadial = radial; exports.scaleSequential = sequential; exports.scaleSequentialLog = sequentialLog; exports.scaleSequentialPow = sequentialPow; @@ -18385,73 +19536,77 @@ exports.scaleSequentialSqrt = sequentialSqrt; exports.scaleSequentialSymlog = sequentialSymlog; exports.scaleSqrt = sqrt$1; exports.scaleSymlog = symlog; -exports.scaleThreshold = threshold$1; +exports.scaleThreshold = threshold; exports.scaleTime = time; exports.scaleUtc = utcTime; exports.scan = scan; exports.schemeAccent = Accent; -exports.schemeBlues = scheme$l; -exports.schemeBrBG = scheme; -exports.schemeBuGn = scheme$9; -exports.schemeBuPu = scheme$a; +exports.schemeBlues = scheme$5; +exports.schemeBrBG = scheme$q; +exports.schemeBuGn = scheme$h; +exports.schemeBuPu = scheme$g; exports.schemeCategory10 = category10; exports.schemeDark2 = Dark2; -exports.schemeGnBu = scheme$b; -exports.schemeGreens = scheme$m; -exports.schemeGreys = scheme$n; -exports.schemeOrRd = scheme$c; -exports.schemeOranges = scheme$q; -exports.schemePRGn = scheme$1; +exports.schemeGnBu = scheme$f; +exports.schemeGreens = scheme$4; +exports.schemeGreys = scheme$3; +exports.schemeOrRd = scheme$e; +exports.schemeOranges = scheme; +exports.schemePRGn = scheme$p; exports.schemePaired = Paired; exports.schemePastel1 = Pastel1; exports.schemePastel2 = Pastel2; -exports.schemePiYG = scheme$2; -exports.schemePuBu = scheme$e; +exports.schemePiYG = scheme$o; +exports.schemePuBu = scheme$c; exports.schemePuBuGn = scheme$d; -exports.schemePuOr = scheme$3; -exports.schemePuRd = scheme$f; -exports.schemePurples = scheme$o; -exports.schemeRdBu = scheme$4; -exports.schemeRdGy = scheme$5; -exports.schemeRdPu = scheme$g; -exports.schemeRdYlBu = scheme$6; -exports.schemeRdYlGn = scheme$7; -exports.schemeReds = scheme$p; +exports.schemePuOr = scheme$n; +exports.schemePuRd = scheme$b; +exports.schemePurples = scheme$2; +exports.schemeRdBu = scheme$m; +exports.schemeRdGy = scheme$l; +exports.schemeRdPu = scheme$a; +exports.schemeRdYlBu = scheme$k; +exports.schemeRdYlGn = scheme$j; +exports.schemeReds = scheme$1; exports.schemeSet1 = Set1; exports.schemeSet2 = Set2; exports.schemeSet3 = Set3; -exports.schemeSpectral = scheme$8; +exports.schemeSpectral = scheme$i; exports.schemeTableau10 = Tableau10; -exports.schemeYlGn = scheme$i; -exports.schemeYlGnBu = scheme$h; -exports.schemeYlOrBr = scheme$j; -exports.schemeYlOrRd = scheme$k; +exports.schemeYlGn = scheme$8; +exports.schemeYlGnBu = scheme$9; +exports.schemeYlOrBr = scheme$7; +exports.schemeYlOrRd = scheme$6; exports.select = select; exports.selectAll = selectAll; exports.selection = selection; exports.selector = selector; exports.selectorAll = selectorAll; -exports.set = set$2; -exports.shuffle = shuffle; +exports.shuffle = shuffle$1; +exports.shuffler = shuffler; +exports.some = some; +exports.sort = sort; exports.stack = stack; -exports.stackOffsetDiverging = diverging$1; +exports.stackOffsetDiverging = diverging; exports.stackOffsetExpand = expand; exports.stackOffsetNone = none$1; exports.stackOffsetSilhouette = silhouette; exports.stackOffsetWiggle = wiggle; exports.stackOrderAppearance = appearance; -exports.stackOrderAscending = ascending$3; -exports.stackOrderDescending = descending$2; +exports.stackOrderAscending = ascending; +exports.stackOrderDescending = descending; exports.stackOrderInsideOut = insideOut; -exports.stackOrderNone = none$2; +exports.stackOrderNone = none; exports.stackOrderReverse = reverse; exports.stratify = stratify; exports.style = styleValue; -exports.sum = sum; +exports.subset = subset; +exports.sum = sum$1; +exports.superset = superset; exports.svg = svg; exports.symbol = symbol; -exports.symbolCircle = circle$2; -exports.symbolCross = cross$2; +exports.symbolCircle = circle; +exports.symbolCross = cross; exports.symbolDiamond = diamond; exports.symbolSquare = square; exports.symbolStar = star; @@ -18468,8 +19623,8 @@ exports.tickStep = tickStep; exports.ticks = ticks; exports.timeDay = day; exports.timeDays = days; -exports.timeFormatDefaultLocale = defaultLocale$1; -exports.timeFormatLocale = formatLocale$1; +exports.timeFormatDefaultLocale = defaultLocale; +exports.timeFormatLocale = formatLocale; exports.timeFriday = friday; exports.timeFridays = fridays; exports.timeHour = hour; @@ -18499,22 +19654,20 @@ exports.timeWeek = sunday; exports.timeWeeks = sundays; exports.timeYear = year; exports.timeYears = years; -exports.timeout = timeout$1; +exports.timeout = timeout; exports.timer = timer; exports.timerFlush = timerFlush; -exports.touch = touch; -exports.touches = touches; exports.transition = transition; exports.transpose = transpose; exports.tree = tree; -exports.treemap = index$3; +exports.treemap = index; exports.treemapBinary = binary; exports.treemapDice = treemapDice; exports.treemapResquarify = resquarify; exports.treemapSlice = treemapSlice; exports.treemapSliceDice = sliceDice; exports.treemapSquarify = squarify; -exports.tsv = tsv$1; +exports.tsv = tsv; exports.tsvFormat = tsvFormat; exports.tsvFormatBody = tsvFormatBody; exports.tsvFormatRow = tsvFormatRow; @@ -18522,6 +19675,7 @@ exports.tsvFormatRows = tsvFormatRows; exports.tsvFormatValue = tsvFormatValue; exports.tsvParse = tsvParse; exports.tsvParseRows = tsvParseRows; +exports.union = union; exports.utcDay = utcDay; exports.utcDays = utcDays; exports.utcFriday = utcFriday; @@ -18552,17 +19706,15 @@ exports.utcWeek = utcSunday; exports.utcWeeks = utcSundays; exports.utcYear = utcYear; exports.utcYears = utcYears; -exports.values = values; exports.variance = variance; exports.version = version; -exports.voronoi = voronoi; exports.window = defaultView; exports.xml = xml; exports.zip = zip; 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2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:lm(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},dm.prototype={areaStart:sm,areaEnd:sm,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:lm(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},pm.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:lm(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};class gm{constructor(t,n){this._context=t,this._x=n}areaStart(){this._line=0}areaEnd(){this._line=NaN}lineStart(){this._point=0}lineEnd(){(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line}point(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:this._x?this._context.bezierCurveTo(this._x0=(this._x0+t)/2,this._y0,this._x0,n,t,n):this._context.bezierCurveTo(this._x0,this._y0=(this._y0+n)/2,t,this._y0,t,n)}this._x0=t,this._y0=n}}function ym(t,n){this._basis=new hm(t),this._beta=n}ym.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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3:_m(this,this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2,this._x1=t,this._y1=n;break;case 2:this._point=3;default:_m(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var mm=function t(n){function e(t){return new bm(t,n)}return e.tension=function(n){return t(+n)},e}(0);function xm(t,n){this._context=t,this._k=(1-n)/6}xm.prototype={areaStart:sm,areaEnd:sm,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:_m(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var wm=function t(n){function e(t){return new xm(t,n)}return e.tension=function(n){return t(+n)},e}(0);function Mm(t,n){this._context=t,this._k=(1-n)/6}Mm.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:_m(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Am=function t(n){function e(t){return new Mm(t,n)}return e.tension=function(n){return t(+n)},e}(0);function Tm(t,n,e){var r=t._x1,i=t._y1,o=t._x2,a=t._y2;if(t._l01_a>sb){var u=2*t._l01_2a+3*t._l01_a*t._l12_a+t._l12_2a,c=3*t._l01_a*(t._l01_a+t._l12_a);r=(r*u-t._x0*t._l12_2a+t._x2*t._l01_2a)/c,i=(i*u-t._y0*t._l12_2a+t._y2*t._l01_2a)/c}if(t._l23_a>sb){var f=2*t._l23_2a+3*t._l23_a*t._l12_a+t._l12_2a,s=3*t._l23_a*(t._l23_a+t._l12_a);o=(o*f+t._x1*t._l23_2a-n*t._l12_2a)/s,a=(a*f+t._y1*t._l23_2a-e*t._l12_2a)/s}t._context.bezierCurveTo(r,i,o,a,t._x2,t._y2)}function Sm(t,n){this._context=t,this._alpha=n}Sm.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3;default:Tm(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Em=function t(n){function e(t){return n?new Sm(t,n):new bm(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);function km(t,n){this._context=t,this._alpha=n}km.prototype={areaStart:sm,areaEnd:sm,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Tm(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Nm=function t(n){function e(t){return n?new km(t,n):new xm(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);function Cm(t,n){this._context=t,this._alpha=n}Cm.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:Tm(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Pm=function 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i=x(this,n,!0).event(t),a=Dn(t.view).on("mousemove.zoom",h,!0).on("mouseup.zoom",d,!0),u=Un(t,c),c=t.currentTarget,s=t.clientX,l=t.clientY;Yn(t.view),ex(t),i.mouse=[u,this.__zoom.invert(u)],gi(this),i.start()}function h(t){if(rx(t),!i.moved){var n=t.clientX-s,e=t.clientY-l;i.moved=n*n+e*e>p}i.event(t).zoom("mouse",o(_(i.that.__zoom,i.mouse[0]=Un(t,c),i.mouse[1]),i.extent,f))}function d(t){a.on("mousemove.zoom mouseup.zoom",null),Ln(t.view,i.moved),rx(t),i.event(t).end()}}function T(t,...n){if(r.apply(this,arguments)){var e=this.__zoom,a=Un(t.changedTouches?t.changedTouches[0]:t,this),u=e.invert(a),c=e.k*(t.shiftKey?.5:2),l=o(_(v(e,c),a,u),i.apply(this,n),f);rx(t),s>0?Dn(this).transition().duration(s).call(m,l,a,t):Dn(this).call(y.transform,l,a,t)}}function S(e,...i){if(r.apply(this,arguments)){var o,a,u,c,f=e.touches,s=f.length,l=x(this,i,e.changedTouches.length===s).event(e);for(ex(e),a=0;a Date: Sat, 3 Apr 2021 14:35:13 +0200 Subject: [PATCH 38/42] Use https for security --- Gemfile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Gemfile b/Gemfile index a1b93f3..b4e2a20 100644 --- a/Gemfile +++ b/Gemfile @@ -1,3 +1,3 @@ -source :rubygems +source "https://rubygems.org" gemspec From e71c12a512f544aadb08d68ae2775bd6c721a1e7 Mon Sep 17 00:00:00 2001 From: Markus Fenske Date: Sat, 3 Apr 2021 14:38:14 +0200 Subject: [PATCH 39/42] It's been a long time... --- LICENSE | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/LICENSE b/LICENSE index 93d1cfa..519e362 100644 --- a/LICENSE +++ b/LICENSE @@ -3,7 +3,7 @@ license applies: The MIT License -Copyright (c) 2012-2014 Markus Fenske +Copyright (c) 2012-2021 Markus Fenske Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal From 058791616cea3e6b54f0a28d07ea36d5c6c728ac Mon Sep 17 00:00:00 2001 From: Kyle Fazzari Date: Fri, 18 Jun 2021 14:54:48 -0700 Subject: [PATCH 40/42] Update D3 to 7.0.0 Signed-off-by: Kyle Fazzari --- CHANGELOG.md | 4 + README.md | 2 +- Rakefile | 8 +- app/assets/javascripts/d3.js | 798 +++++++++++++----- app/assets/javascripts/d3.min.js | 4 +- app/assets/javascripts/d3.v6.min.js | 2 - app/assets/javascripts/{d3.v6.js => d3.v7.js} | 798 +++++++++++++----- app/assets/javascripts/d3.v7.min.js | 2 + lib/d3/rails/version.rb | 2 +- 9 files changed, 1150 insertions(+), 470 deletions(-) delete mode 100644 app/assets/javascripts/d3.v6.min.js rename app/assets/javascripts/{d3.v6.js => d3.v7.js} (96%) create mode 100644 app/assets/javascripts/d3.v7.min.js diff --git a/CHANGELOG.md b/CHANGELOG.md index d22cda6..70034ec 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,7 @@ +## 7.0.0 (18 June 2021) +* Update updater to update to version 7 +* Upgrade D3 to 7.0.0 + ## 6.6.2 (3 April 2021) * Update updater to update to version 6 * Upgrade D3 to 6.6.3 diff --git a/README.md b/README.md index 42fa4a1..e61dcbb 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 6.6.2 of D3.js. The d3-rails version will +d3-rails comes with version 7.0.0 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/Rakefile b/Rakefile index e4c8d97..fda5454 100644 --- a/Rakefile +++ b/Rakefile @@ -4,10 +4,10 @@ Bundler::GemHelper.install_tasks namespace :d3 do desc 'Update d3 version' task :update_version do - `curl -o app/assets/javascripts/d3.js https://d3js.org/d3.v6.js` - `curl -o app/assets/javascripts/d3.min.js https://d3js.org/d3.v6.min.js` - `cp app/assets/javascripts/d3.js app/assets/javascripts/d3.v6.js` - `cp app/assets/javascripts/d3.min.js app/assets/javascripts/d3.v6.min.js` + `curl -o app/assets/javascripts/d3.js https://d3js.org/d3.v7.js` + `curl -o app/assets/javascripts/d3.min.js https://d3js.org/d3.v7.min.js` + `cp app/assets/javascripts/d3.js app/assets/javascripts/d3.v7.js` + `cp app/assets/javascripts/d3.min.js app/assets/javascripts/d3.v7.min.js` version = File.open("app/assets/javascripts/d3.js") { |f| f.each_line.lazy.select { |line| line.match(/((\d+\.)(\d+\.)(\*|\d+))/) diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index 1c16be0..10fd841 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,14 +1,18 @@ -// https://d3js.org v6.6.2 Copyright 2021 Mike Bostock +// https://d3js.org v7.0.0 Copyright 2010-2021 Mike Bostock (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.d3 = global.d3 || {})); }(this, (function (exports) { 'use strict'; -var version = "6.6.2"; +var version = "7.0.0"; function ascending$3(a, b) { - return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; + return a == null || b == null ? NaN + : a < b ? -1 + : a > b ? 1 + : a >= b ? 0 + : NaN; } function bisector(f) { @@ -143,7 +147,11 @@ function cumsum(values, valueof) { } function descending$2(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; + return a == null || b == null ? NaN + : b < a ? -1 + : b > a ? 1 + : b >= a ? 0 + : NaN; } function variance(values, valueof) { @@ -351,6 +359,21 @@ function groups(values, ...keys) { return nest(values, Array.from, identity$9, keys); } +function flatten$1(groups, keys) { + for (let i = 1, n = keys.length; i < n; ++i) { + groups = groups.flatMap(g => g.pop().map(([key, value]) => [...g, key, value])); + } + return groups; +} + +function flatGroup(values, ...keys) { + return flatten$1(groups(values, ...keys), keys); +} + +function flatRollup(values, reduce, ...keys) { + return flatten$1(rollups(values, reduce, ...keys), keys); +} + function rollup(values, reduce, ...keys) { return nest(values, identity$9, reduce, keys); } @@ -427,7 +450,7 @@ function groupSort(values, reduce, key) { var array$5 = Array.prototype; -var slice$4 = array$5.slice; +var slice$3 = array$5.slice; function constant$b(x) { return function() { @@ -581,7 +604,7 @@ function bin() { // Assign data to bins by value, ignoring any outside the domain. for (i = 0; i < n; ++i) { x = values[i]; - if (x0 <= x && x <= x1) { + if (x != null && x0 <= x && x <= x1) { bins[bisectRight(tz, x, 0, m)].push(data[i]); } } @@ -598,7 +621,7 @@ function bin() { }; histogram.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$b(slice$4.call(_)) : constant$b(_), histogram) : threshold; + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$b(slice$3.call(_)) : constant$b(_), histogram) : threshold; }; return histogram; @@ -802,6 +825,33 @@ function minIndex(values, valueof) { return minIndex; } +function mode(values, valueof) { + const counts = new InternMap(); + if (valueof === undefined) { + for (let value of values) { + if (value != null && value >= value) { + counts.set(value, (counts.get(value) || 0) + 1); + } + } + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null && value >= value) { + counts.set(value, (counts.get(value) || 0) + 1); + } + } + } + let modeValue; + let modeCount = 0; + for (const [value, count] of counts) { + if (count > modeCount) { + modeCount = count; + modeValue = value; + } + } + return modeValue; +} + function pairs(values, pairof = pair) { const pairs = []; let previous; @@ -941,7 +991,7 @@ function shuffler(random) { }; } -function sum$1(values, valueof) { +function sum$2(values, valueof) { let sum = 0; if (valueof === undefined) { for (let value of values) { @@ -1108,8 +1158,6 @@ function union(...others) { return set; } -var slice$3 = Array.prototype.slice; - function identity$8(x) { return x; } @@ -1118,7 +1166,7 @@ var top = 1, right = 2, bottom = 3, left = 4, - epsilon$5 = 1e-6; + epsilon$6 = 1e-6; function translateX(x) { return "translate(" + x + ",0)"; @@ -1192,11 +1240,11 @@ function axis(orient, scale) { text = text.transition(context); tickExit = tickExit.transition(context) - .attr("opacity", epsilon$5) + .attr("opacity", epsilon$6) .attr("transform", function(d) { return isFinite(d = position(d)) ? transform(d + offset) : this.getAttribute("transform"); }); tickEnter - .attr("opacity", epsilon$5) + .attr("opacity", epsilon$6) .attr("transform", function(d) { var p = this.parentNode.__axis; return transform((p && isFinite(p = p(d)) ? p : position(d)) + offset); }); } @@ -1233,15 +1281,15 @@ function axis(orient, scale) { }; axis.ticks = function() { - return tickArguments = slice$3.call(arguments), axis; + return tickArguments = Array.from(arguments), axis; }; axis.tickArguments = function(_) { - return arguments.length ? (tickArguments = _ == null ? [] : slice$3.call(_), axis) : tickArguments.slice(); + return arguments.length ? (tickArguments = _ == null ? [] : Array.from(_), axis) : tickArguments.slice(); }; axis.tickValues = function(_) { - return arguments.length ? (tickValues = _ == null ? null : slice$3.call(_), axis) : tickValues && tickValues.slice(); + return arguments.length ? (tickValues = _ == null ? null : Array.from(_), axis) : tickValues && tickValues.slice(); }; axis.tickFormat = function(_) { @@ -1432,10 +1480,14 @@ function selection_select(select) { return new Selection$1(subgroups, this._parents); } +// Given something array like (or null), returns something that is strictly an +// array. This is used to ensure that array-like objects passed to d3.selectAll +// or selection.selectAll are converted into proper arrays when creating a +// selection; we don’t ever want to create a selection backed by a live +// HTMLCollection or NodeList. However, note that selection.selectAll will use a +// static NodeList as a group, since it safely derived from querySelectorAll. function array$4(x) { - return typeof x === "object" && "length" in x - ? x // Array, TypedArray, NodeList, array-like - : Array.from(x); // Map, Set, iterable, string, or anything else + return x == null ? [] : Array.isArray(x) ? x : Array.from(x); } function empty$1() { @@ -1450,8 +1502,7 @@ function selectorAll(selector) { function arrayAll(select) { return function() { - var group = select.apply(this, arguments); - return group == null ? [] : array$4(group); + return array$4(select.apply(this, arguments)); }; } @@ -1503,7 +1554,7 @@ function selection_selectChild(match) { var filter = Array.prototype.filter; function children() { - return this.children; + return Array.from(this.children); } function childrenFilter(match) { @@ -1648,7 +1699,7 @@ function selection_data(value, key) { var parent = parents[j], group = groups[j], groupLength = group.length, - data = array$4(value.call(parent, parent && parent.__data__, j, parents)), + data = arraylike(value.call(parent, parent && parent.__data__, j, parents)), dataLength = data.length, enterGroup = enter[j] = new Array(dataLength), updateGroup = update[j] = new Array(dataLength), @@ -1674,20 +1725,40 @@ function selection_data(value, key) { return update; } +// Given some data, this returns an array-like view of it: an object that +// exposes a length property and allows numeric indexing. Note that unlike +// selectAll, this isn’t worried about “live” collections because the resulting +// array will only be used briefly while data is being bound. (It is possible to +// cause the data to change while iterating by using a key function, but please +// don’t; we’d rather avoid a gratuitous copy.) +function arraylike(data) { + return typeof data === "object" && "length" in data + ? data // Array, TypedArray, NodeList, array-like + : Array.from(data); // Map, Set, iterable, string, or anything else +} + function selection_exit() { return new Selection$1(this._exit || this._groups.map(sparse), this._parents); } function selection_join(onenter, onupdate, onexit) { var enter = this.enter(), update = this, exit = this.exit(); - enter = typeof onenter === "function" ? onenter(enter) : enter.append(onenter + ""); - if (onupdate != null) update = onupdate(update); + if (typeof onenter === "function") { + enter = onenter(enter); + if (enter) enter = enter.selection(); + } else { + enter = enter.append(onenter + ""); + } + if (onupdate != null) { + update = onupdate(update); + if (update) update = update.selection(); + } if (onexit == null) exit.remove(); else onexit(exit); return enter && update ? enter.merge(update).order() : update; } -function selection_merge(selection) { - if (!(selection instanceof Selection$1)) throw new Error("invalid merge"); +function selection_merge(context) { + var selection = context.selection ? context.selection() : context; for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { @@ -2340,9 +2411,14 @@ function pointers(events, node) { function selectAll(selector) { return typeof selector === "string" ? new Selection$1([document.querySelectorAll(selector)], [document.documentElement]) - : new Selection$1([selector == null ? [] : array$4(selector)], root$1); + : new Selection$1([array$4(selector)], root$1); } +// These are typically used in conjunction with noevent to ensure that we can +// preventDefault on the event. +const nonpassive = {passive: false}; +const nonpassivecapture = {capture: true, passive: false}; + function nopropagation$2(event) { event.stopImmediatePropagation(); } @@ -2354,9 +2430,9 @@ function noevent$2(event) { function dragDisable(view) { var root = view.document.documentElement, - selection = select(view).on("dragstart.drag", noevent$2, true); + selection = select(view).on("dragstart.drag", noevent$2, nonpassivecapture); if ("onselectstart" in root) { - selection.on("selectstart.drag", noevent$2, true); + selection.on("selectstart.drag", noevent$2, nonpassivecapture); } else { root.__noselect = root.style.MozUserSelect; root.style.MozUserSelect = "none"; @@ -2367,7 +2443,7 @@ function yesdrag(view, noclick) { var root = view.document.documentElement, selection = select(view).on("dragstart.drag", null); if (noclick) { - selection.on("click.drag", noevent$2, true); + selection.on("click.drag", noevent$2, nonpassivecapture); setTimeout(function() { selection.on("click.drag", null); }, 0); } if ("onselectstart" in root) { @@ -2445,7 +2521,7 @@ function drag() { .on("mousedown.drag", mousedowned) .filter(touchable) .on("touchstart.drag", touchstarted) - .on("touchmove.drag", touchmoved) + .on("touchmove.drag", touchmoved, nonpassive) .on("touchend.drag touchcancel.drag", touchended) .style("touch-action", "none") .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); @@ -2455,7 +2531,9 @@ function drag() { if (touchending || !filter.call(this, event, d)) return; var gesture = beforestart(this, container.call(this, event, d), event, d, "mouse"); if (!gesture) return; - select(event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); + select(event.view) + .on("mousemove.drag", mousemoved, nonpassivecapture) + .on("mouseup.drag", mouseupped, nonpassivecapture); dragDisable(event.view); nopropagation$2(event); mousemoving = false; @@ -2544,7 +2622,7 @@ function drag() { var p0 = p, n; switch (type) { case "start": gestures[identifier] = gesture, n = active++; break; - case "end": delete gestures[identifier], --active; // nobreak + case "end": delete gestures[identifier], --active; // falls through case "drag": p = pointer(touch || event, container), n = active; break; } dispatch.call( @@ -3100,13 +3178,13 @@ define(Hcl, hcl$2, extend(Color, { })); var A = -0.14861, - B = +1.78277, + B$1 = +1.78277, C = -0.29227, - D = -0.90649, + D$1 = -0.90649, E = +1.97294, - ED = E * D, - EB = E * B, - BC_DA = B * C - D * A; + ED = E * D$1, + EB = E * B$1, + BC_DA = B$1 * C - D$1 * A; function cubehelixConvert(o) { if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity); @@ -3116,7 +3194,7 @@ function cubehelixConvert(o) { b = o.b / 255, l = (BC_DA * b + ED * r - EB * g) / (BC_DA + ED - EB), bl = b - l, - k = (E * (g - l) - C * bl) / D, + k = (E * (g - l) - C * bl) / D$1, s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1 h = s ? Math.atan2(k, bl) * degrees$2 - 120 : NaN; return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity); @@ -3149,8 +3227,8 @@ define(Cubehelix, cubehelix$3, extend(Color, { cosh = Math.cos(h), sinh = Math.sin(h); return new Rgb( - 255 * (l + a * (A * cosh + B * sinh)), - 255 * (l + a * (C * cosh + D * sinh)), + 255 * (l + a * (A * cosh + B$1 * sinh)), + 255 * (l + a * (C * cosh + D$1 * sinh)), 255 * (l + a * (E * cosh)), this.opacity ); @@ -3769,7 +3847,7 @@ function timerFlush() { ++frame; // Pretend we’ve set an alarm, if we haven’t already. var t = taskHead, e; while (t) { - if ((e = clockNow - t._time) >= 0) t._call.call(null, e); + if ((e = clockNow - t._time) >= 0) t._call.call(undefined, e); t = t._next; } --frame; @@ -4643,6 +4721,8 @@ Transition.prototype = transition.prototype = { constructor: Transition, select: transition_select, selectAll: transition_selectAll, + selectChild: selection_prototype.selectChild, + selectChildren: selection_prototype.selectChildren, filter: transition_filter, merge: transition_merge, selection: transition_selection, @@ -5176,7 +5256,7 @@ function brush$1(dim) { .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); } - brush.move = function(group, selection) { + brush.move = function(group, selection, event) { if (group.tween) { group .on("start.brush", function(event) { emitter(this, arguments).beforestart().start(event); }) @@ -5209,13 +5289,13 @@ function brush$1(dim) { interrupt(that); state.selection = selection1 === null ? null : selection1; redraw.call(that); - emit.start().brush().end(); + emit.start(event).brush(event).end(event); }); } }; - brush.clear = function(group) { - brush.move(group, null); + brush.clear = function(group, event) { + brush.move(group, null, event); }; function redraw() { @@ -5326,6 +5406,9 @@ function brush$1(dim) { return t; }); + interrupt(that); + var emit = emitter(that, arguments, true).beforestart(); + if (type === "overlay") { if (selection) moving = true; const pts = [points[0], points[1] || points[0]]; @@ -5336,7 +5419,7 @@ function brush$1(dim) { e0 = dim === Y ? E : max$2(pts[0][0], pts[1][0]), s0 = dim === X ? S : max$2(pts[0][1], pts[1][1]) ]]; - if (points.length > 1) move(); + if (points.length > 1) move(event); } else { w0 = selection[0][0]; n0 = selection[0][1]; @@ -5355,9 +5438,6 @@ function brush$1(dim) { var overlay = group.selectAll(".overlay") .attr("cursor", cursors[type]); - interrupt(that); - var emit = emitter(that, arguments, true).beforestart(); - if (event.touches) { emit.moved = moved; emit.ended = ended; @@ -5483,7 +5563,7 @@ function brush$1(dim) { if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; mode = MODE_CENTER; - move(); + move(event); } break; } @@ -5493,7 +5573,7 @@ function brush$1(dim) { if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy; mode = MODE_SPACE; overlay.attr("cursor", cursors.selection); - move(); + move(event); } break; } @@ -5507,7 +5587,7 @@ function brush$1(dim) { case 16: { // SHIFT if (shifting) { lockX = lockY = shifting = false; - move(); + move(event); } break; } @@ -5516,7 +5596,7 @@ function brush$1(dim) { if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; mode = MODE_HANDLE; - move(); + move(event); } break; } @@ -5532,7 +5612,7 @@ function brush$1(dim) { mode = MODE_HANDLE; } overlay.attr("cursor", cursors[type]); - move(); + move(event); } break; } @@ -5592,7 +5672,7 @@ var pi$3 = Math.PI; var halfPi$2 = pi$3 / 2; var tau$4 = pi$3 * 2; var max$1 = Math.max; -var epsilon$4 = 1e-12; +var epsilon$5 = 1e-12; function range$1(i, j) { return Array.from({length: j - i}, (_, k) => i + k); @@ -5717,8 +5797,8 @@ function chord$1(directed, transpose) { const pi$2 = Math.PI, tau$3 = 2 * pi$2, - epsilon$3 = 1e-6, - tauEpsilon = tau$3 - epsilon$3; + epsilon$4 = 1e-6, + tauEpsilon = tau$3 - epsilon$4; function Path$1() { this._x0 = this._y0 = // start of current subpath @@ -5769,12 +5849,12 @@ Path$1.prototype = path.prototype = { } // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. - else if (!(l01_2 > epsilon$3)); + else if (!(l01_2 > epsilon$4)); // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? // Equivalently, is (x1,y1) coincident with (x2,y2)? // Or, is the radius zero? Line to (x1,y1). - else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon$3) || !r) { + else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon$4) || !r) { this._ += "L" + (this._x1 = x1) + "," + (this._y1 = y1); } @@ -5791,7 +5871,7 @@ Path$1.prototype = path.prototype = { t21 = l / l21; // If the start tangent is not coincident with (x0,y0), line to. - if (Math.abs(t01 - 1) > epsilon$3) { + if (Math.abs(t01 - 1) > epsilon$4) { this._ += "L" + (x1 + t01 * x01) + "," + (y1 + t01 * y01); } @@ -5816,7 +5896,7 @@ Path$1.prototype = path.prototype = { } // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). - else if (Math.abs(this._x1 - x0) > epsilon$3 || Math.abs(this._y1 - y0) > epsilon$3) { + else if (Math.abs(this._x1 - x0) > epsilon$4 || Math.abs(this._y1 - y0) > epsilon$4) { this._ += "L" + x0 + "," + y0; } @@ -5832,7 +5912,7 @@ Path$1.prototype = path.prototype = { } // Is this arc non-empty? Draw an arc! - else if (da > epsilon$3) { + else if (da > epsilon$4) { this._ += "A" + r + "," + r + ",0," + (+(da >= pi$2)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1)); } }, @@ -5905,10 +5985,10 @@ function ribbon(headRadius) { if (!context) context = buffer = path(); - if (ap > epsilon$4) { - if (abs$2(sa1 - sa0) > ap * 2 + epsilon$4) sa1 > sa0 ? (sa0 += ap, sa1 -= ap) : (sa0 -= ap, sa1 += ap); + if (ap > epsilon$5) { + if (abs$2(sa1 - sa0) > ap * 2 + epsilon$5) sa1 > sa0 ? (sa0 += ap, sa1 -= ap) : (sa0 -= ap, sa1 += ap); else sa0 = sa1 = (sa0 + sa1) / 2; - if (abs$2(ta1 - ta0) > ap * 2 + epsilon$4) ta1 > ta0 ? (ta0 += ap, ta1 -= ap) : (ta0 -= ap, ta1 += ap); + if (abs$2(ta1 - ta0) > ap * 2 + epsilon$5) ta1 > ta0 ? (ta0 += ap, ta1 -= ap) : (ta0 -= ap, ta1 += ap); else ta0 = ta1 = (ta0 + ta1) / 2; } @@ -6058,16 +6138,13 @@ function contours() { // Convert number of thresholds into uniform thresholds. if (!Array.isArray(tz)) { - var domain = extent$1(values), start = domain[0], stop = domain[1]; - tz = tickStep(start, stop, tz); - tz = sequence(Math.floor(start / tz) * tz, Math.floor(stop / tz) * tz, tz); + const e = extent$1(values), ts = tickStep(e[0], e[1], tz); + tz = ticks(Math.floor(e[0] / ts) * ts, Math.floor(e[1] / ts - 1) * ts, tz); } else { tz = tz.slice().sort(ascending$1); } - return tz.map(function(value) { - return contour(values, value); - }); + return tz.map(value => contour(values, value)); } // Accumulate, smooth contour rings, assign holes to exterior rings. @@ -6295,14 +6372,22 @@ function density() { function density(data) { var values0 = new Float32Array(n * m), - values1 = new Float32Array(n * m); + values1 = new Float32Array(n * m), + pow2k = Math.pow(2, -k); data.forEach(function(d, i, data) { - var xi = (+x(d, i, data) + o) >> k, - yi = (+y(d, i, data) + o) >> k, + var xi = (x(d, i, data) + o) * pow2k, + yi = (y(d, i, data) + o) * pow2k, wi = +weight(d, i, data); if (xi >= 0 && xi < n && yi >= 0 && yi < m) { - values0[xi + yi * n] += wi; + var x0 = Math.floor(xi), + y0 = Math.floor(yi), + xt = xi - x0 - 0.5, + yt = yi - y0 - 0.5; + values0[x0 + y0 * n] += (1 - xt) * (1 - yt) * wi; + values0[x0 + 1 + y0 * n] += xt * (1 - yt) * wi; + values0[x0 + 1 + (y0 + 1) * n] += xt * yt * wi; + values0[x0 + (y0 + 1) * n] += (1 - xt) * yt * wi; } }); @@ -6396,6 +6481,274 @@ function density() { return density; } +const epsilon$3 = 1.1102230246251565e-16; +const splitter = 134217729; +const resulterrbound = (3 + 8 * epsilon$3) * epsilon$3; + +// fast_expansion_sum_zeroelim routine from oritinal code +function sum$1(elen, e, flen, f, h) { + let Q, Qnew, hh, bvirt; + let enow = e[0]; + let fnow = f[0]; + let eindex = 0; + let findex = 0; + if ((fnow > enow) === (fnow > -enow)) { + Q = enow; + enow = e[++eindex]; + } else { + Q = fnow; + fnow = f[++findex]; + } + let hindex = 0; + if (eindex < elen && findex < flen) { + if ((fnow > enow) === (fnow > -enow)) { + Qnew = enow + Q; + hh = Q - (Qnew - enow); + enow = e[++eindex]; + } else { + Qnew = fnow + Q; + hh = Q - (Qnew - fnow); + fnow = f[++findex]; + } + Q = Qnew; + if (hh !== 0) { + h[hindex++] = hh; + } + while (eindex < elen && findex < flen) { + if ((fnow > enow) === (fnow > -enow)) { + Qnew = Q + enow; + bvirt = Qnew - Q; + hh = Q - (Qnew - bvirt) + (enow - bvirt); + enow = e[++eindex]; + } else { + Qnew = Q + fnow; + bvirt = Qnew - Q; + hh = Q - (Qnew - bvirt) + (fnow - bvirt); + fnow = f[++findex]; + } + Q = Qnew; + if (hh !== 0) { + h[hindex++] = hh; + } + } + } + while (eindex < elen) { + Qnew = Q + enow; + bvirt = Qnew - Q; + hh = Q - (Qnew - bvirt) + (enow - bvirt); + enow = e[++eindex]; + Q = Qnew; + if (hh !== 0) { + h[hindex++] = hh; + } + } + while (findex < flen) { + Qnew = Q + fnow; + bvirt = Qnew - Q; + hh = Q - (Qnew - bvirt) + (fnow - bvirt); + fnow = f[++findex]; + Q = Qnew; + if (hh !== 0) { + h[hindex++] = hh; + } + } + if (Q !== 0 || hindex === 0) { + h[hindex++] = Q; + } + return hindex; +} + +function estimate(elen, e) { + let Q = e[0]; + for (let i = 1; i < elen; i++) Q += e[i]; + return Q; +} + +function vec(n) { + return new Float64Array(n); +} + +const ccwerrboundA = (3 + 16 * epsilon$3) * epsilon$3; +const ccwerrboundB = (2 + 12 * epsilon$3) * epsilon$3; +const ccwerrboundC = (9 + 64 * epsilon$3) * epsilon$3 * epsilon$3; + +const B = vec(4); +const C1 = vec(8); +const C2 = vec(12); +const D = vec(16); +const u = vec(4); + +function orient2dadapt(ax, ay, bx, by, cx, cy, detsum) { + let acxtail, acytail, bcxtail, bcytail; + let bvirt, c, ahi, alo, bhi, blo, _i, _j, _0, s1, s0, t1, t0, u3; + + const acx = ax - cx; + const bcx = bx - cx; + const acy = ay - cy; + const bcy = by - cy; + + s1 = acx * bcy; + c = splitter * acx; + ahi = c - (c - acx); + alo = acx - ahi; + c = splitter * bcy; + bhi = c - (c - bcy); + blo = bcy - bhi; + s0 = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo); + t1 = acy * bcx; + c = splitter * acy; + ahi = c - (c - acy); + alo = acy - ahi; + c = splitter * bcx; + bhi = c - (c - bcx); + blo = bcx - bhi; + t0 = alo * blo - (t1 - ahi * bhi - alo * bhi - ahi * blo); + _i = s0 - t0; + bvirt = s0 - _i; + B[0] = s0 - (_i + bvirt) + (bvirt - t0); + _j = s1 + _i; + bvirt = _j - s1; + _0 = s1 - (_j - bvirt) + (_i - bvirt); + _i = _0 - t1; + bvirt = _0 - _i; + B[1] = _0 - (_i + bvirt) + (bvirt - t1); + u3 = _j + _i; + bvirt = u3 - _j; + B[2] = _j - (u3 - bvirt) + (_i - bvirt); + B[3] = u3; + + let det = estimate(4, B); + let errbound = ccwerrboundB * detsum; + if (det >= errbound || -det >= errbound) { + return det; + } + + bvirt = ax - acx; + acxtail = ax - (acx + bvirt) + (bvirt - cx); + bvirt = bx - bcx; + bcxtail = bx - (bcx + bvirt) + (bvirt - cx); + bvirt = ay - acy; + acytail = ay - (acy + bvirt) + (bvirt - cy); + bvirt = by - bcy; + bcytail = by - (bcy + bvirt) + (bvirt - cy); + + if (acxtail === 0 && acytail === 0 && bcxtail === 0 && bcytail === 0) { + return det; + } + + errbound = ccwerrboundC * detsum + resulterrbound * Math.abs(det); + det += (acx * bcytail + bcy * acxtail) - (acy * bcxtail + bcx * acytail); + if (det >= errbound || -det >= errbound) return det; + + s1 = acxtail * bcy; + c = splitter * acxtail; + ahi = c - (c - acxtail); + alo = acxtail - ahi; + c = splitter * bcy; + bhi = c - (c - bcy); + blo = bcy - bhi; + s0 = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo); + t1 = acytail * bcx; + c = splitter * acytail; + ahi = c - (c - acytail); + alo = acytail - ahi; + c = splitter * bcx; + bhi = c - (c - bcx); + blo = bcx - bhi; + t0 = alo * blo - (t1 - ahi * bhi - alo * bhi - ahi * blo); + _i = s0 - t0; + bvirt = s0 - _i; + u[0] = s0 - (_i + bvirt) + (bvirt - t0); + _j = s1 + _i; + bvirt = _j - s1; + _0 = s1 - (_j - bvirt) + (_i - bvirt); + _i = _0 - t1; + bvirt = _0 - _i; + u[1] = _0 - (_i + bvirt) + (bvirt - t1); + u3 = _j + _i; + bvirt = u3 - _j; + u[2] = _j - (u3 - bvirt) + (_i - bvirt); + u[3] = u3; + const C1len = sum$1(4, B, 4, u, C1); + + s1 = acx * bcytail; + c = splitter * acx; + ahi = c - (c - acx); + alo = acx - ahi; + c = splitter * bcytail; + bhi = c - (c - bcytail); + blo = bcytail - bhi; + s0 = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo); + t1 = acy * bcxtail; + c = splitter * acy; + ahi = c - (c - acy); + alo = acy - ahi; + c = splitter * bcxtail; + bhi = c - (c - bcxtail); + blo = bcxtail - bhi; + t0 = alo * blo - (t1 - ahi * bhi - alo * bhi - ahi * blo); + _i = s0 - t0; + bvirt = s0 - _i; + u[0] = s0 - (_i + bvirt) + (bvirt - t0); + _j = s1 + _i; + bvirt = _j - s1; + _0 = s1 - (_j - bvirt) + (_i - bvirt); + _i = _0 - t1; + bvirt = _0 - _i; + u[1] = _0 - (_i + bvirt) + (bvirt - t1); + u3 = _j + _i; + bvirt = u3 - _j; + u[2] = _j - (u3 - bvirt) + (_i - bvirt); + u[3] = u3; + const C2len = sum$1(C1len, C1, 4, u, C2); + + s1 = acxtail * bcytail; + c = splitter * acxtail; + ahi = c - (c - acxtail); + alo = acxtail - ahi; + c = splitter * bcytail; + bhi = c - (c - bcytail); + blo = bcytail - bhi; + s0 = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo); + t1 = acytail * bcxtail; + c = splitter * acytail; + ahi = c - (c - acytail); + alo = acytail - ahi; + c = splitter * bcxtail; + bhi = c - (c - bcxtail); + blo = bcxtail - bhi; + t0 = alo * blo - (t1 - ahi * bhi - alo * bhi - ahi * blo); + _i = s0 - t0; + bvirt = s0 - _i; + u[0] = s0 - (_i + bvirt) + (bvirt - t0); + _j = s1 + _i; + bvirt = _j - s1; + _0 = s1 - (_j - bvirt) + (_i - bvirt); + _i = _0 - t1; + bvirt = _0 - _i; + u[1] = _0 - (_i + bvirt) + (bvirt - t1); + u3 = _j + _i; + bvirt = u3 - _j; + u[2] = _j - (u3 - bvirt) + (_i - bvirt); + u[3] = u3; + const Dlen = sum$1(C2len, C2, 4, u, D); + + return D[Dlen - 1]; +} + +function orient2d(ax, ay, bx, by, cx, cy) { + const detleft = (ay - cy) * (bx - cx); + const detright = (ax - cx) * (by - cy); + const det = detleft - detright; + + if (detleft === 0 || detright === 0 || (detleft > 0) !== (detright > 0)) return det; + + const detsum = Math.abs(detleft + detright); + if (Math.abs(det) >= ccwerrboundA * detsum) return det; + + return -orient2dadapt(ax, ay, bx, by, cx, cy, detsum); +} + const EPSILON = Math.pow(2, -52); const EDGE_STACK = new Uint32Array(512); @@ -6526,7 +6879,7 @@ class Delaunator { } // swap the order of the seed points for counter-clockwise orientation - if (orient(i0x, i0y, i1x, i1y, i2x, i2y)) { + if (orient2d(i0x, i0y, i1x, i1y, i2x, i2y) < 0) { const i = i1; const x = i1x; const y = i1y; @@ -6591,7 +6944,7 @@ class Delaunator { start = hullPrev[start]; let e = start, q; - while (q = hullNext[e], !orient(x, y, coords[2 * e], coords[2 * e + 1], coords[2 * q], coords[2 * q + 1])) { + while (q = hullNext[e], orient2d(x, y, coords[2 * e], coords[2 * e + 1], coords[2 * q], coords[2 * q + 1]) >= 0) { e = q; if (e === start) { e = -1; @@ -6610,7 +6963,7 @@ class Delaunator { // walk forward through the hull, adding more triangles and flipping recursively let n = hullNext[e]; - while (q = hullNext[n], orient(x, y, coords[2 * n], coords[2 * n + 1], coords[2 * q], coords[2 * q + 1])) { + while (q = hullNext[n], orient2d(x, y, coords[2 * n], coords[2 * n + 1], coords[2 * q], coords[2 * q + 1]) < 0) { t = this._addTriangle(n, i, q, hullTri[i], -1, hullTri[n]); hullTri[i] = this._legalize(t + 2); hullNext[n] = n; // mark as removed @@ -6620,7 +6973,7 @@ class Delaunator { // walk backward from the other side, adding more triangles and flipping if (e === start) { - while (q = hullPrev[e], orient(x, y, coords[2 * q], coords[2 * q + 1], coords[2 * e], coords[2 * e + 1])) { + while (q = hullPrev[e], orient2d(x, y, coords[2 * q], coords[2 * q + 1], coords[2 * e], coords[2 * e + 1]) < 0) { t = this._addTriangle(q, i, e, -1, hullTri[e], hullTri[q]); this._legalize(t + 2); hullTri[q] = t; @@ -6775,21 +7128,6 @@ function dist(ax, ay, bx, by) { return dx * dx + dy * dy; } -// return 2d orientation sign if we're confident in it through J. Shewchuk's error bound check -function orientIfSure(px, py, rx, ry, qx, qy) { - const l = (ry - py) * (qx - px); - const r = (rx - px) * (qy - py); - return Math.abs(l - r) >= 3.3306690738754716e-16 * Math.abs(l + r) ? l - r : 0; -} - -// a more robust orientation test that's stable in a given triangle (to fix robustness issues) -function orient(rx, ry, qx, qy, px, py) { - const sign = orientIfSure(px, py, rx, ry, qx, qy) || - orientIfSure(rx, ry, qx, qy, px, py) || - orientIfSure(qx, qy, px, py, rx, ry); - return sign < 0; -} - function inCircle(ax, ay, bx, by, cx, cy, px, py) { const dx = ax - px; const dy = ay - py; @@ -6982,21 +7320,26 @@ class Voronoi { const dy = y2 - y1; const ex = x3 - x1; const ey = y3 - y1; - const bl = dx * dx + dy * dy; - const cl = ex * ex + ey * ey; const ab = (dx * ey - dy * ex) * 2; - if (!ab) { + if (Math.abs(ab) < 1e-9) { // degenerate case (collinear diagram) - x = (x1 + x3) / 2 - 1e8 * ey; - y = (y1 + y3) / 2 + 1e8 * ex; - } - else if (Math.abs(ab) < 1e-8) { // almost equal points (degenerate triangle) - x = (x1 + x3) / 2; - y = (y1 + y3) / 2; + // the circumcenter is at the infinity, in a + // direction that is: + // 1. orthogonal to the halfedge. + let a = 1e9; + // 2. points away from the center; since the list of triangles starts + // in the center, the first point of the first triangle + // will be our reference + const r = triangles[0] * 2; + a *= Math.sign((points[r] - x1) * ey - (points[r + 1] - y1) * ex); + x = (x1 + x3) / 2 - a * ey; + y = (y1 + y3) / 2 + a * ex; } else { const d = 1 / ab; + const bl = dx * dx + dy * dy; + const cl = ex * ex + ey * ey; x = x1 + (ey * bl - dy * cl) * d; y = y1 + (dx * cl - ex * bl) * d; } @@ -7144,7 +7487,7 @@ class Voronoi { let P = null; let x0, y0, x1 = points[n - 2], y1 = points[n - 1]; let c0, c1 = this._regioncode(x1, y1); - let e0, e1; + let e0, e1 = 0; for (let j = 0; j < n; j += 2) { x0 = x1, y0 = y1, x1 = points[j], y1 = points[j + 1]; c0 = c1, c1 = this._regioncode(x1, y1); @@ -7219,6 +7562,8 @@ class Voronoi { case 0b1001: e0 = 0b0001; continue; // bottom-left case 0b0001: e0 = 0b0101, x = this.xmin, y = this.ymin; break; // left } + // Note: this implicitly checks for out of bounds: if P[j] or P[j+1] are + // undefined, the conditional statement will be executed. if ((P[j] !== x || P[j + 1] !== y) && this.contains(i, x, y)) { P.splice(j, 0, x, y), j += 2; } @@ -7353,10 +7698,12 @@ class Delaunay { this.triangles = new Int32Array(3).fill(-1); this.halfedges = new Int32Array(3).fill(-1); this.triangles[0] = hull[0]; - this.triangles[1] = hull[1]; - this.triangles[2] = hull[1]; inedges[hull[0]] = 1; - if (hull.length === 2) inedges[hull[1]] = 0; + if (hull.length === 2) { + inedges[hull[1]] = 0; + this.triangles[1] = hull[1]; + this.triangles[2] = hull[1]; + } } } voronoi(bounds) { @@ -7433,7 +7780,9 @@ class Delaunay { this.renderHull(context); return buffer && buffer.value(); } - renderPoints(context, r = 2) { + renderPoints(context, r) { + if (r === undefined && (!context || typeof context.moveTo !== "function")) r = context, context = null; + r = r == undefined ? 2 : +r; const buffer = context == null ? context = new Path : undefined; const {points} = this; for (let i = 0, n = points.length; i < n; i += 2) { @@ -10012,10 +10361,7 @@ function link$1(array) { } function longitude(point) { - if (abs$1(point[0]) <= pi$1) - return point[0]; - else - return sign$1(point[0]) * ((abs$1(point[0]) + pi$1) % tau$1 - pi$1); + return abs$1(point[0]) <= pi$1 ? point[0] : sign$1(point[0]) * ((abs$1(point[0]) + pi$1) % tau$1 - pi$1); } function polygonContains(polygon, point) { @@ -14055,27 +14401,26 @@ function initInterpolator(domain, interpolator) { const implicit = Symbol("implicit"); function ordinal() { - var index = new Map(), + var index = new InternMap(), domain = [], range = [], unknown = implicit; function scale(d) { - var key = d + "", i = index.get(key); - if (!i) { + let i = index.get(d); + if (i === undefined) { if (unknown !== implicit) return unknown; - index.set(key, i = domain.push(d)); + index.set(d, i = domain.push(d) - 1); } - return range[(i - 1) % range.length]; + return range[i % range.length]; } scale.domain = function(_) { if (!arguments.length) return domain.slice(); - domain = [], index = new Map(); + domain = [], index = new InternMap(); for (const value of _) { - const key = value + ""; - if (index.has(key)) continue; - index.set(key, domain.push(value)); + if (index.has(value)) continue; + index.set(value, domain.push(value) - 1); } return scale; }; @@ -14982,40 +15327,42 @@ millisecond.every = function(k) { }; var milliseconds = millisecond.range; -var durationSecond$1 = 1e3; -var durationMinute$1 = 6e4; -var durationHour$1 = 36e5; -var durationDay$1 = 864e5; -var durationWeek$1 = 6048e5; +const durationSecond = 1000; +const durationMinute = durationSecond * 60; +const durationHour = durationMinute * 60; +const durationDay = durationHour * 24; +const durationWeek = durationDay * 7; +const durationMonth = durationDay * 30; +const durationYear = durationDay * 365; var second = newInterval(function(date) { date.setTime(date - date.getMilliseconds()); }, function(date, step) { - date.setTime(+date + step * durationSecond$1); + date.setTime(+date + step * durationSecond); }, function(start, end) { - return (end - start) / durationSecond$1; + return (end - start) / durationSecond; }, function(date) { return date.getUTCSeconds(); }); var seconds = second.range; var minute = newInterval(function(date) { - date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond$1); + date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond); }, function(date, step) { - date.setTime(+date + step * durationMinute$1); + date.setTime(+date + step * durationMinute); }, function(start, end) { - return (end - start) / durationMinute$1; + return (end - start) / durationMinute; }, function(date) { return date.getMinutes(); }); var minutes = minute.range; var hour = newInterval(function(date) { - date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond$1 - date.getMinutes() * durationMinute$1); + date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond - date.getMinutes() * durationMinute); }, function(date, step) { - date.setTime(+date + step * durationHour$1); + date.setTime(+date + step * durationHour); }, function(start, end) { - return (end - start) / durationHour$1; + return (end - start) / durationHour; }, function(date) { return date.getHours(); }); @@ -15024,7 +15371,7 @@ var hours = hour.range; var day = newInterval( date => date.setHours(0, 0, 0, 0), (date, step) => date.setDate(date.getDate() + step), - (start, end) => (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationDay$1, + (start, end) => (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay, date => date.getDate() - 1 ); var days = day.range; @@ -15036,7 +15383,7 @@ function weekday(i) { }, function(date, step) { date.setDate(date.getDate() + step * 7); }, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationWeek$1; + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; }); } @@ -15094,9 +15441,9 @@ var years = year.range; var utcMinute = newInterval(function(date) { date.setUTCSeconds(0, 0); }, function(date, step) { - date.setTime(+date + step * durationMinute$1); + date.setTime(+date + step * durationMinute); }, function(start, end) { - return (end - start) / durationMinute$1; + return (end - start) / durationMinute; }, function(date) { return date.getUTCMinutes(); }); @@ -15105,9 +15452,9 @@ var utcMinutes = utcMinute.range; var utcHour = newInterval(function(date) { date.setUTCMinutes(0, 0, 0); }, function(date, step) { - date.setTime(+date + step * durationHour$1); + date.setTime(+date + step * durationHour); }, function(start, end) { - return (end - start) / durationHour$1; + return (end - start) / durationHour; }, function(date) { return date.getUTCHours(); }); @@ -15118,7 +15465,7 @@ var utcDay = newInterval(function(date) { }, function(date, step) { date.setUTCDate(date.getUTCDate() + step); }, function(start, end) { - return (end - start) / durationDay$1; + return (end - start) / durationDay; }, function(date) { return date.getUTCDate() - 1; }); @@ -15131,7 +15478,7 @@ function utcWeekday(i) { }, function(date, step) { date.setUTCDate(date.getUTCDate() + step * 7); }, function(start, end) { - return (end - start) / durationWeek$1; + return (end - start) / durationWeek; }); } @@ -15186,6 +15533,52 @@ utcYear.every = function(k) { }; var utcYears = utcYear.range; +function ticker(year, month, week, day, hour, minute) { + + const tickIntervals = [ + [second, 1, durationSecond], + [second, 5, 5 * durationSecond], + [second, 15, 15 * durationSecond], + [second, 30, 30 * durationSecond], + [minute, 1, durationMinute], + [minute, 5, 5 * durationMinute], + [minute, 15, 15 * durationMinute], + [minute, 30, 30 * durationMinute], + [ hour, 1, durationHour ], + [ hour, 3, 3 * durationHour ], + [ hour, 6, 6 * durationHour ], + [ hour, 12, 12 * durationHour ], + [ day, 1, durationDay ], + [ day, 2, 2 * durationDay ], + [ week, 1, durationWeek ], + [ month, 1, durationMonth ], + [ month, 3, 3 * durationMonth ], + [ year, 1, durationYear ] + ]; + + function ticks(start, stop, count) { + const reverse = stop < start; + if (reverse) [start, stop] = [stop, start]; + const interval = count && typeof count.range === "function" ? count : tickInterval(start, stop, count); + const ticks = interval ? interval.range(start, +stop + 1) : []; // inclusive stop + return reverse ? ticks.reverse() : ticks; + } + + function tickInterval(start, stop, count) { + const target = Math.abs(stop - start) / count; + const i = bisector(([,, step]) => step).right(tickIntervals, target); + if (i === tickIntervals.length) return year.every(tickStep(start / durationYear, stop / durationYear, count)); + if (i === 0) return millisecond.every(Math.max(tickStep(start, stop, count), 1)); + const [t, step] = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; + return t.every(step); + } + + return [ticks, tickInterval]; +} + +const [utcTicks, utcTickInterval] = ticker(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute); +const [timeTicks, timeTickInterval] = ticker(year, month, sunday, day, hour, minute); + function localDate(d) { if (0 <= d.y && d.y < 100) { var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); @@ -15916,14 +16309,6 @@ var parseIso = +new Date("2000-01-01T00:00:00.000Z") ? parseIsoNative : exports.utcParse(isoSpecifier); -var durationSecond = 1000, - durationMinute = durationSecond * 60, - durationHour = durationMinute * 60, - durationDay = durationHour * 24, - durationWeek = durationDay * 7, - durationMonth = durationDay * 30, - durationYear = durationDay * 365; - function date(t) { return new Date(t); } @@ -15932,7 +16317,7 @@ function number(t) { return t instanceof Date ? +t : +new Date(+t); } -function calendar(year, month, week, day, hour, minute, second, millisecond, format) { +function calendar(ticks, tickInterval, year, month, week, day, hour, minute, second, format) { var scale = continuous(), invert = scale.invert, domain = scale.domain; @@ -15946,27 +16331,6 @@ function calendar(year, month, week, day, hour, minute, second, millisecond, for formatMonth = format("%B"), formatYear = format("%Y"); - var tickIntervals = [ - [second, 1, durationSecond], - [second, 5, 5 * durationSecond], - [second, 15, 15 * durationSecond], - [second, 30, 30 * durationSecond], - [minute, 1, durationMinute], - [minute, 5, 5 * durationMinute], - [minute, 15, 15 * durationMinute], - [minute, 30, 30 * durationMinute], - [ hour, 1, durationHour ], - [ hour, 3, 3 * durationHour ], - [ hour, 6, 6 * durationHour ], - [ hour, 12, 12 * durationHour ], - [ day, 1, durationDay ], - [ day, 2, 2 * durationDay ], - [ week, 1, durationWeek ], - [ month, 1, durationMonth ], - [ month, 3, 3 * durationMonth ], - [ year, 1, durationYear ] - ]; - function tickFormat(date) { return (second(date) < date ? formatMillisecond : minute(date) < date ? formatSecond @@ -15977,33 +16341,6 @@ function calendar(year, month, week, day, hour, minute, second, millisecond, for : formatYear)(date); } - function tickInterval(interval, start, stop) { - if (interval == null) interval = 10; - - // If a desired tick count is specified, pick a reasonable tick interval - // based on the extent of the domain and a rough estimate of tick size. - // Otherwise, assume interval is already a time interval and use it. - if (typeof interval === "number") { - var target = Math.abs(stop - start) / interval, - i = bisector(function(i) { return i[2]; }).right(tickIntervals, target), - step; - if (i === tickIntervals.length) { - step = tickStep(start / durationYear, stop / durationYear, interval); - interval = year; - } else if (i) { - i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; - step = i[1]; - interval = i[0]; - } else { - step = Math.max(tickStep(start, stop, interval), 1); - interval = millisecond; - } - return interval.every(step); - } - - return interval; - } - scale.invert = function(y) { return new Date(invert(y)); }; @@ -16013,15 +16350,8 @@ function calendar(year, month, week, day, hour, minute, second, millisecond, for }; scale.ticks = function(interval) { - var d = domain(), - t0 = d[0], - t1 = d[d.length - 1], - r = t1 < t0, - t; - if (r) t = t0, t0 = t1, t1 = t; - t = tickInterval(interval, t0, t1); - t = t ? t.range(t0, t1 + 1) : []; // inclusive stop - return r ? t.reverse() : t; + var d = domain(); + return ticks(d[0], d[d.length - 1], interval == null ? 10 : interval); }; scale.tickFormat = function(count, specifier) { @@ -16030,24 +16360,23 @@ function calendar(year, month, week, day, hour, minute, second, millisecond, for scale.nice = function(interval) { var d = domain(); - return (interval = tickInterval(interval, d[0], d[d.length - 1])) - ? domain(nice(d, interval)) - : scale; + if (!interval || typeof interval.range !== "function") interval = tickInterval(d[0], d[d.length - 1], interval == null ? 10 : interval); + return interval ? domain(nice(d, interval)) : scale; }; scale.copy = function() { - return copy$1(scale, calendar(year, month, week, day, hour, minute, second, millisecond, format)); + return copy$1(scale, calendar(ticks, tickInterval, year, month, week, day, hour, minute, second, format)); }; return scale; } function time() { - return initRange.apply(calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments); + return initRange.apply(calendar(timeTicks, timeTickInterval, year, month, sunday, day, hour, minute, second, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments); } function utcTime() { - return initRange.apply(calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]), arguments); + return initRange.apply(calendar(utcTicks, utcTickInterval, utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]), arguments); } function transformer$1() { @@ -17029,7 +17358,7 @@ Linear.prototype = { x = +x, y = +y; switch (this._point) { case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed + case 1: this._point = 2; // falls through default: this._context.lineTo(x, y); break; } } @@ -17628,7 +17957,7 @@ Basis.prototype = { }, lineEnd: function() { switch (this._point) { - case 3: point$3(this, this._x1, this._y1); // proceed + case 3: point$3(this, this._x1, this._y1); // falls through case 2: this._context.lineTo(this._x1, this._y1); break; } if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); @@ -17639,7 +17968,7 @@ Basis.prototype = { switch (this._point) { case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; case 1: this._point = 2; break; - case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed + case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // falls through default: point$3(this, x, y); break; } this._x0 = this._x1, this._x1 = x; @@ -17727,7 +18056,7 @@ BasisOpen.prototype = { case 0: this._point = 1; break; case 1: this._point = 2; break; case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; - case 3: this._point = 4; // proceed + case 3: this._point = 4; // falls through default: point$3(this, x, y); break; } this._x0 = this._x1, this._x1 = x; @@ -17766,7 +18095,7 @@ class Bump { else this._context.moveTo(x, y); break; } - case 1: this._point = 2; // proceed + case 1: this._point = 2; // falls through default: { if (this._x) this._context.bezierCurveTo(this._x0 = (this._x0 + x) / 2, this._y0, this._x0, y, x, y); else this._context.bezierCurveTo(this._x0, this._y0 = (this._y0 + y) / 2, x, this._y0, x, y); @@ -17881,7 +18210,7 @@ Cardinal.prototype = { switch (this._point) { case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; case 1: this._point = 2; this._x1 = x, this._y1 = y; break; - case 2: this._point = 3; // proceed + case 2: this._point = 3; // falls through default: point$2(this, x, y); break; } this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; @@ -17988,7 +18317,7 @@ CardinalOpen.prototype = { case 0: this._point = 1; break; case 1: this._point = 2; break; case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed + case 3: this._point = 4; // falls through default: point$2(this, x, y); break; } this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; @@ -18071,7 +18400,7 @@ CatmullRom.prototype = { switch (this._point) { case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; case 1: this._point = 2; break; - case 2: this._point = 3; // proceed + case 2: this._point = 3; // falls through default: point$1(this, x, y); break; } @@ -18202,7 +18531,7 @@ CatmullRomOpen.prototype = { case 0: this._point = 1; break; case 1: this._point = 2; break; case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed + case 3: this._point = 4; // falls through default: point$1(this, x, y); break; } @@ -18446,7 +18775,7 @@ Step.prototype = { x = +x, y = +y; switch (this._point) { case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed + case 1: this._point = 2; // falls through default: { if (this._t <= 0) { this._context.lineTo(this._x, y); @@ -18798,7 +19127,7 @@ function zoom() { function zoom(selection) { selection .property("__zoom", defaultTransform) - .on("wheel.zoom", wheeled) + .on("wheel.zoom", wheeled, {passive: false}) .on("mousedown.zoom", mousedowned) .on("dblclick.zoom", dblclicked) .filter(touchable) @@ -18995,10 +19324,10 @@ function zoom() { function mousedowned(event, ...args) { if (touchending || !filter.apply(this, arguments)) return; - var g = gesture(this, args, true).event(event), + var currentTarget = event.currentTarget, + g = gesture(this, args, true).event(event), v = select(event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), p = pointer(event, currentTarget), - currentTarget = event.currentTarget, x0 = event.clientX, y0 = event.clientY; @@ -19177,7 +19506,9 @@ exports.Delaunay = Delaunay; exports.FormatSpecifier = FormatSpecifier; exports.InternMap = InternMap; exports.InternSet = InternSet; +exports.Node = Node$1; exports.Voronoi = Voronoi; +exports.ZoomTransform = Transform; exports.active = active; exports.arc = arc; exports.area = area; @@ -19292,6 +19623,8 @@ exports.every = every; exports.extent = extent$1; exports.fcumsum = fcumsum; exports.filter = filter$1; +exports.flatGroup = flatGroup; +exports.flatRollup = flatRollup; exports.forceCenter = center; exports.forceCollide = collide; exports.forceLink = link$2; @@ -19455,6 +19788,7 @@ exports.median = median; exports.merge = merge; exports.min = min$2; exports.minIndex = minIndex; +exports.mode = mode; exports.namespace = namespace; exports.namespaces = namespaces; exports.nice = nice$1; @@ -19601,7 +19935,7 @@ exports.stackOrderReverse = reverse; exports.stratify = stratify; exports.style = styleValue; exports.subset = subset; -exports.sum = sum$1; +exports.sum = sum$2; exports.superset = superset; exports.svg = svg; exports.symbol = symbol; @@ -19646,6 +19980,8 @@ exports.timeSunday = sunday; exports.timeSundays = sundays; exports.timeThursday = thursday; exports.timeThursdays = thursdays; +exports.timeTickInterval = timeTickInterval; +exports.timeTicks = timeTicks; exports.timeTuesday = tuesday; exports.timeTuesdays = tuesdays; exports.timeWednesday = wednesday; @@ -19698,6 +20034,8 @@ exports.utcSunday = utcSunday; exports.utcSundays = utcSundays; exports.utcThursday = utcThursday; exports.utcThursdays = utcThursdays; +exports.utcTickInterval = utcTickInterval; +exports.utcTicks = utcTicks; exports.utcTuesday = utcTuesday; exports.utcTuesdays = utcTuesdays; 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e=Math.sqrt(.8908130915292852*n),r=Qb*e,i=Jb*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var a=db*o/5,u=Math.cos(a),c=Math.sin(a);t.lineTo(c*e,-u*e),t.lineTo(u*r-c*i,c*r+u*i)}t.closePath()}},nm={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},em=Math.sqrt(3),rm={draw:function(t,n){var e=-Math.sqrt(n/(3*em));t.moveTo(0,2*e),t.lineTo(-em*e,-e),t.lineTo(em*e,-e),t.closePath()}},im=-.5,om=Math.sqrt(3)/2,am=1/Math.sqrt(12),um=3*(am/2+1),cm={draw:function(t,n){var e=Math.sqrt(n/um),r=e/2,i=e*am,o=r,a=e*am+e,u=-o,c=a;t.moveTo(r,i),t.lineTo(o,a),t.lineTo(u,c),t.lineTo(im*r-om*i,om*r+im*i),t.lineTo(im*o-om*a,om*o+im*a),t.lineTo(im*u-om*c,om*u+im*c),t.lineTo(im*r+om*i,im*i-om*r),t.lineTo(im*o+om*a,im*a-om*o),t.lineTo(im*u+om*c,im*c-om*u),t.closePath()}},fm=[Gb,Vb,Zb,nm,tm,rm,cm];function sm(){}function lm(t,n,e){t._context.bezierCurveTo((2*t._x0+t._x1)/3,(2*t._y0+t._y1)/3,(t._x0+2*t._x1)/3,(t._y0+2*t._y1)/3,(t._x0+4*t._x1+n)/6,(t._y0+4*t._y1+e)/6)}function 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2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:lm(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},pm.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:lm(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};class gm{constructor(t,n){this._context=t,this._x=n}areaStart(){this._line=0}areaEnd(){this._line=NaN}lineStart(){this._point=0}lineEnd(){(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line}point(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:this._x?this._context.bezierCurveTo(this._x0=(this._x0+t)/2,this._y0,this._x0,n,t,n):this._context.bezierCurveTo(this._x0,this._y0=(this._y0+n)/2,t,this._y0,t,n)}this._x0=t,this._y0=n}}function ym(t,n){this._basis=new hm(t),this._beta=n}ym.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Tm(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Nm=function t(n){function e(t){return n?new km(t,n):new xm(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);function 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2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Am(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Sm.prototype={areaStart:Mm,areaEnd:Mm,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Am(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Em.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Am(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};class 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3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Im(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Lm=function t(n){function e(t){return n?new Ym(t,n):new qm(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);function 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2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:lm(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},dm.prototype={areaStart:sm,areaEnd:sm,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:lm(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},pm.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:lm(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};class gm{constructor(t,n){this._context=t,this._x=n}areaStart(){this._line=0}areaEnd(){this._line=NaN}lineStart(){this._point=0}lineEnd(){(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line}point(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:this._x?this._context.bezierCurveTo(this._x0=(this._x0+t)/2,this._y0,this._x0,n,t,n):this._context.bezierCurveTo(this._x0,this._y0=(this._y0+n)/2,t,this._y0,t,n)}this._x0=t,this._y0=n}}function ym(t,n){this._basis=new hm(t),this._beta=n}ym.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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3:_m(this,this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2,this._x1=t,this._y1=n;break;case 2:this._point=3;default:_m(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var mm=function t(n){function e(t){return new bm(t,n)}return e.tension=function(n){return t(+n)},e}(0);function xm(t,n){this._context=t,this._k=(1-n)/6}xm.prototype={areaStart:sm,areaEnd:sm,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:_m(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var wm=function t(n){function e(t){return new xm(t,n)}return e.tension=function(n){return t(+n)},e}(0);function Mm(t,n){this._context=t,this._k=(1-n)/6}Mm.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:_m(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Am=function t(n){function e(t){return new Mm(t,n)}return e.tension=function(n){return t(+n)},e}(0);function Tm(t,n,e){var r=t._x1,i=t._y1,o=t._x2,a=t._y2;if(t._l01_a>sb){var u=2*t._l01_2a+3*t._l01_a*t._l12_a+t._l12_2a,c=3*t._l01_a*(t._l01_a+t._l12_a);r=(r*u-t._x0*t._l12_2a+t._x2*t._l01_2a)/c,i=(i*u-t._y0*t._l12_2a+t._y2*t._l01_2a)/c}if(t._l23_a>sb){var f=2*t._l23_2a+3*t._l23_a*t._l12_a+t._l12_2a,s=3*t._l23_a*(t._l23_a+t._l12_a);o=(o*f+t._x1*t._l23_2a-n*t._l12_2a)/s,a=(a*f+t._y1*t._l23_2a-e*t._l12_2a)/s}t._context.bezierCurveTo(r,i,o,a,t._x2,t._y2)}function Sm(t,n){this._context=t,this._alpha=n}Sm.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3;default:Tm(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Em=function t(n){function e(t){return n?new Sm(t,n):new bm(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);function km(t,n){this._context=t,this._alpha=n}km.prototype={areaStart:sm,areaEnd:sm,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Tm(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Nm=function t(n){function e(t){return n?new km(t,n):new xm(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);function Cm(t,n){this._context=t,this._alpha=n}Cm.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:Tm(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Pm=function 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i=x(this,n,!0).event(t),a=Dn(t.view).on("mousemove.zoom",h,!0).on("mouseup.zoom",d,!0),u=Un(t,c),c=t.currentTarget,s=t.clientX,l=t.clientY;Yn(t.view),ex(t),i.mouse=[u,this.__zoom.invert(u)],gi(this),i.start()}function h(t){if(rx(t),!i.moved){var n=t.clientX-s,e=t.clientY-l;i.moved=n*n+e*e>p}i.event(t).zoom("mouse",o(_(i.that.__zoom,i.mouse[0]=Un(t,c),i.mouse[1]),i.extent,f))}function d(t){a.on("mousemove.zoom mouseup.zoom",null),Ln(t.view,i.moved),rx(t),i.event(t).end()}}function T(t,...n){if(r.apply(this,arguments)){var e=this.__zoom,a=Un(t.changedTouches?t.changedTouches[0]:t,this),u=e.invert(a),c=e.k*(t.shiftKey?.5:2),l=o(_(v(e,c),a,u),i.apply(this,n),f);rx(t),s>0?Dn(this).transition().duration(s).call(m,l,a,t):Dn(this).call(y.transform,l,a,t)}}function S(e,...i){if(r.apply(this,arguments)){var o,a,u,c,f=e.touches,s=f.length,l=x(this,i,e.changedTouches.length===s).event(e);for(ex(e),a=0;a b ? 1 : a >= b ? 0 : NaN; + return a == null || b == null ? NaN + : a < b ? -1 + : a > b ? 1 + : a >= b ? 0 + : NaN; } function bisector(f) { @@ -143,7 +147,11 @@ function cumsum(values, valueof) { } function descending$2(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; + return a == null || b == null ? NaN + : b < a ? -1 + : b > a ? 1 + : b >= a ? 0 + : NaN; } function variance(values, valueof) { @@ -351,6 +359,21 @@ function groups(values, ...keys) { return nest(values, Array.from, identity$9, keys); } +function flatten$1(groups, keys) { + for (let i = 1, n = keys.length; i < n; ++i) { + groups = groups.flatMap(g => g.pop().map(([key, value]) => [...g, key, value])); + } + return groups; +} + +function flatGroup(values, ...keys) { + return flatten$1(groups(values, ...keys), keys); +} + +function flatRollup(values, reduce, ...keys) { + return flatten$1(rollups(values, reduce, ...keys), keys); +} + function rollup(values, reduce, ...keys) { return nest(values, identity$9, reduce, keys); } @@ -427,7 +450,7 @@ function groupSort(values, reduce, key) { var array$5 = Array.prototype; -var slice$4 = array$5.slice; +var slice$3 = array$5.slice; function constant$b(x) { return function() { @@ -581,7 +604,7 @@ function bin() { // Assign data to bins by value, ignoring any outside the domain. for (i = 0; i < n; ++i) { x = values[i]; - if (x0 <= x && x <= x1) { + if (x != null && x0 <= x && x <= x1) { bins[bisectRight(tz, x, 0, m)].push(data[i]); } } @@ -598,7 +621,7 @@ function bin() { }; histogram.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$b(slice$4.call(_)) : constant$b(_), histogram) : threshold; + return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$b(slice$3.call(_)) : constant$b(_), histogram) : threshold; }; return histogram; @@ -802,6 +825,33 @@ function minIndex(values, valueof) { return minIndex; } +function mode(values, valueof) { + const counts = new InternMap(); + if (valueof === undefined) { + for (let value of values) { + if (value != null && value >= value) { + counts.set(value, (counts.get(value) || 0) + 1); + } + } + } else { + let index = -1; + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null && value >= value) { + counts.set(value, (counts.get(value) || 0) + 1); + } + } + } + let modeValue; + let modeCount = 0; + for (const [value, count] of counts) { + if (count > modeCount) { + modeCount = count; + modeValue = value; + } + } + return modeValue; +} + function pairs(values, pairof = pair) { const pairs = []; let previous; @@ -941,7 +991,7 @@ function shuffler(random) { }; } -function sum$1(values, valueof) { +function sum$2(values, valueof) { let sum = 0; if (valueof === undefined) { for (let value of values) { @@ -1108,8 +1158,6 @@ function union(...others) { return set; } -var slice$3 = Array.prototype.slice; - function identity$8(x) { return x; } @@ -1118,7 +1166,7 @@ var top = 1, right = 2, bottom = 3, left = 4, - epsilon$5 = 1e-6; + epsilon$6 = 1e-6; function translateX(x) { return "translate(" + x + ",0)"; @@ -1192,11 +1240,11 @@ function axis(orient, scale) { text = text.transition(context); tickExit = tickExit.transition(context) - .attr("opacity", epsilon$5) + .attr("opacity", epsilon$6) .attr("transform", function(d) { return isFinite(d = position(d)) ? transform(d + offset) : this.getAttribute("transform"); }); tickEnter - .attr("opacity", epsilon$5) + .attr("opacity", epsilon$6) .attr("transform", function(d) { var p = this.parentNode.__axis; return transform((p && isFinite(p = p(d)) ? p : position(d)) + offset); }); } @@ -1233,15 +1281,15 @@ function axis(orient, scale) { }; axis.ticks = function() { - return tickArguments = slice$3.call(arguments), axis; + return tickArguments = Array.from(arguments), axis; }; axis.tickArguments = function(_) { - return arguments.length ? (tickArguments = _ == null ? [] : slice$3.call(_), axis) : tickArguments.slice(); + return arguments.length ? (tickArguments = _ == null ? [] : Array.from(_), axis) : tickArguments.slice(); }; axis.tickValues = function(_) { - return arguments.length ? (tickValues = _ == null ? null : slice$3.call(_), axis) : tickValues && tickValues.slice(); + return arguments.length ? (tickValues = _ == null ? null : Array.from(_), axis) : tickValues && tickValues.slice(); }; axis.tickFormat = function(_) { @@ -1432,10 +1480,14 @@ function selection_select(select) { return new Selection$1(subgroups, this._parents); } +// Given something array like (or null), returns something that is strictly an +// array. This is used to ensure that array-like objects passed to d3.selectAll +// or selection.selectAll are converted into proper arrays when creating a +// selection; we don’t ever want to create a selection backed by a live +// HTMLCollection or NodeList. However, note that selection.selectAll will use a +// static NodeList as a group, since it safely derived from querySelectorAll. function array$4(x) { - return typeof x === "object" && "length" in x - ? x // Array, TypedArray, NodeList, array-like - : Array.from(x); // Map, Set, iterable, string, or anything else + return x == null ? [] : Array.isArray(x) ? x : Array.from(x); } function empty$1() { @@ -1450,8 +1502,7 @@ function selectorAll(selector) { function arrayAll(select) { return function() { - var group = select.apply(this, arguments); - return group == null ? [] : array$4(group); + return array$4(select.apply(this, arguments)); }; } @@ -1503,7 +1554,7 @@ function selection_selectChild(match) { var filter = Array.prototype.filter; function children() { - return this.children; + return Array.from(this.children); } function childrenFilter(match) { @@ -1648,7 +1699,7 @@ function selection_data(value, key) { var parent = parents[j], group = groups[j], groupLength = group.length, - data = array$4(value.call(parent, parent && parent.__data__, j, parents)), + data = arraylike(value.call(parent, parent && parent.__data__, j, parents)), dataLength = data.length, enterGroup = enter[j] = new Array(dataLength), updateGroup = update[j] = new Array(dataLength), @@ -1674,20 +1725,40 @@ function selection_data(value, key) { return update; } +// Given some data, this returns an array-like view of it: an object that +// exposes a length property and allows numeric indexing. Note that unlike +// selectAll, this isn’t worried about “live” collections because the resulting +// array will only be used briefly while data is being bound. (It is possible to +// cause the data to change while iterating by using a key function, but please +// don’t; we’d rather avoid a gratuitous copy.) +function arraylike(data) { + return typeof data === "object" && "length" in data + ? data // Array, TypedArray, NodeList, array-like + : Array.from(data); // Map, Set, iterable, string, or anything else +} + function selection_exit() { return new Selection$1(this._exit || this._groups.map(sparse), this._parents); } function selection_join(onenter, onupdate, onexit) { var enter = this.enter(), update = this, exit = this.exit(); - enter = typeof onenter === "function" ? onenter(enter) : enter.append(onenter + ""); - if (onupdate != null) update = onupdate(update); + if (typeof onenter === "function") { + enter = onenter(enter); + if (enter) enter = enter.selection(); + } else { + enter = enter.append(onenter + ""); + } + if (onupdate != null) { + update = onupdate(update); + if (update) update = update.selection(); + } if (onexit == null) exit.remove(); else onexit(exit); return enter && update ? enter.merge(update).order() : update; } -function selection_merge(selection) { - if (!(selection instanceof Selection$1)) throw new Error("invalid merge"); +function selection_merge(context) { + var selection = context.selection ? context.selection() : context; for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { @@ -2340,9 +2411,14 @@ function pointers(events, node) { function selectAll(selector) { return typeof selector === "string" ? new Selection$1([document.querySelectorAll(selector)], [document.documentElement]) - : new Selection$1([selector == null ? [] : array$4(selector)], root$1); + : new Selection$1([array$4(selector)], root$1); } +// These are typically used in conjunction with noevent to ensure that we can +// preventDefault on the event. +const nonpassive = {passive: false}; +const nonpassivecapture = {capture: true, passive: false}; + function nopropagation$2(event) { event.stopImmediatePropagation(); } @@ -2354,9 +2430,9 @@ function noevent$2(event) { function dragDisable(view) { var root = view.document.documentElement, - selection = select(view).on("dragstart.drag", noevent$2, true); + selection = select(view).on("dragstart.drag", noevent$2, nonpassivecapture); if ("onselectstart" in root) { - selection.on("selectstart.drag", noevent$2, true); + selection.on("selectstart.drag", noevent$2, nonpassivecapture); } else { root.__noselect = root.style.MozUserSelect; root.style.MozUserSelect = "none"; @@ -2367,7 +2443,7 @@ function yesdrag(view, noclick) { var root = view.document.documentElement, selection = select(view).on("dragstart.drag", null); if (noclick) { - selection.on("click.drag", noevent$2, true); + selection.on("click.drag", noevent$2, nonpassivecapture); setTimeout(function() { selection.on("click.drag", null); }, 0); } if ("onselectstart" in root) { @@ -2445,7 +2521,7 @@ function drag() { .on("mousedown.drag", mousedowned) .filter(touchable) .on("touchstart.drag", touchstarted) - .on("touchmove.drag", touchmoved) + .on("touchmove.drag", touchmoved, nonpassive) .on("touchend.drag touchcancel.drag", touchended) .style("touch-action", "none") .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); @@ -2455,7 +2531,9 @@ function drag() { if (touchending || !filter.call(this, event, d)) return; var gesture = beforestart(this, container.call(this, event, d), event, d, "mouse"); if (!gesture) return; - select(event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); + select(event.view) + .on("mousemove.drag", mousemoved, nonpassivecapture) + .on("mouseup.drag", mouseupped, nonpassivecapture); dragDisable(event.view); nopropagation$2(event); mousemoving = false; @@ -2544,7 +2622,7 @@ function drag() { var p0 = p, n; switch (type) { case "start": gestures[identifier] = gesture, n = active++; break; - case "end": delete gestures[identifier], --active; // nobreak + case "end": delete gestures[identifier], --active; // falls through case "drag": p = pointer(touch || event, container), n = active; break; } dispatch.call( @@ -3100,13 +3178,13 @@ define(Hcl, hcl$2, extend(Color, { })); var A = -0.14861, - B = +1.78277, + B$1 = +1.78277, C = -0.29227, - D = -0.90649, + D$1 = -0.90649, E = +1.97294, - ED = E * D, - EB = E * B, - BC_DA = B * C - D * A; + ED = E * D$1, + EB = E * B$1, + BC_DA = B$1 * C - D$1 * A; function cubehelixConvert(o) { if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity); @@ -3116,7 +3194,7 @@ function cubehelixConvert(o) { b = o.b / 255, l = (BC_DA * b + ED * r - EB * g) / (BC_DA + ED - EB), bl = b - l, - k = (E * (g - l) - C * bl) / D, + k = (E * (g - l) - C * bl) / D$1, s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1 h = s ? Math.atan2(k, bl) * degrees$2 - 120 : NaN; return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity); @@ -3149,8 +3227,8 @@ define(Cubehelix, cubehelix$3, extend(Color, { cosh = Math.cos(h), sinh = Math.sin(h); return new Rgb( - 255 * (l + a * (A * cosh + B * sinh)), - 255 * (l + a * (C * cosh + D * sinh)), + 255 * (l + a * (A * cosh + B$1 * sinh)), + 255 * (l + a * (C * cosh + D$1 * sinh)), 255 * (l + a * (E * cosh)), this.opacity ); @@ -3769,7 +3847,7 @@ function timerFlush() { ++frame; // Pretend we’ve set an alarm, if we haven’t already. var t = taskHead, e; while (t) { - if ((e = clockNow - t._time) >= 0) t._call.call(null, e); + if ((e = clockNow - t._time) >= 0) t._call.call(undefined, e); t = t._next; } --frame; @@ -4643,6 +4721,8 @@ Transition.prototype = transition.prototype = { constructor: Transition, select: transition_select, selectAll: transition_selectAll, + selectChild: selection_prototype.selectChild, + selectChildren: selection_prototype.selectChildren, filter: transition_filter, merge: transition_merge, selection: transition_selection, @@ -5176,7 +5256,7 @@ function brush$1(dim) { .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); } - brush.move = function(group, selection) { + brush.move = function(group, selection, event) { if (group.tween) { group .on("start.brush", function(event) { emitter(this, arguments).beforestart().start(event); }) @@ -5209,13 +5289,13 @@ function brush$1(dim) { interrupt(that); state.selection = selection1 === null ? null : selection1; redraw.call(that); - emit.start().brush().end(); + emit.start(event).brush(event).end(event); }); } }; - brush.clear = function(group) { - brush.move(group, null); + brush.clear = function(group, event) { + brush.move(group, null, event); }; function redraw() { @@ -5326,6 +5406,9 @@ function brush$1(dim) { return t; }); + interrupt(that); + var emit = emitter(that, arguments, true).beforestart(); + if (type === "overlay") { if (selection) moving = true; const pts = [points[0], points[1] || points[0]]; @@ -5336,7 +5419,7 @@ function brush$1(dim) { e0 = dim === Y ? E : max$2(pts[0][0], pts[1][0]), s0 = dim === X ? S : max$2(pts[0][1], pts[1][1]) ]]; - if (points.length > 1) move(); + if (points.length > 1) move(event); } else { w0 = selection[0][0]; n0 = selection[0][1]; @@ -5355,9 +5438,6 @@ function brush$1(dim) { var overlay = group.selectAll(".overlay") .attr("cursor", cursors[type]); - interrupt(that); - var emit = emitter(that, arguments, true).beforestart(); - if (event.touches) { emit.moved = moved; emit.ended = ended; @@ -5483,7 +5563,7 @@ function brush$1(dim) { if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; mode = MODE_CENTER; - move(); + move(event); } break; } @@ -5493,7 +5573,7 @@ function brush$1(dim) { if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy; mode = MODE_SPACE; overlay.attr("cursor", cursors.selection); - move(); + move(event); } break; } @@ -5507,7 +5587,7 @@ function brush$1(dim) { case 16: { // SHIFT if (shifting) { lockX = lockY = shifting = false; - move(); + move(event); } break; } @@ -5516,7 +5596,7 @@ function brush$1(dim) { if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; mode = MODE_HANDLE; - move(); + move(event); } break; } @@ -5532,7 +5612,7 @@ function brush$1(dim) { mode = MODE_HANDLE; } overlay.attr("cursor", cursors[type]); - move(); + move(event); } break; } @@ -5592,7 +5672,7 @@ var pi$3 = Math.PI; var halfPi$2 = pi$3 / 2; var tau$4 = pi$3 * 2; var max$1 = Math.max; -var epsilon$4 = 1e-12; +var epsilon$5 = 1e-12; function range$1(i, j) { return Array.from({length: j - i}, (_, k) => i + k); @@ -5717,8 +5797,8 @@ function chord$1(directed, transpose) { const pi$2 = Math.PI, tau$3 = 2 * pi$2, - epsilon$3 = 1e-6, - tauEpsilon = tau$3 - epsilon$3; + epsilon$4 = 1e-6, + tauEpsilon = tau$3 - epsilon$4; function Path$1() { this._x0 = this._y0 = // start of current subpath @@ -5769,12 +5849,12 @@ Path$1.prototype = path.prototype = { } // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. - else if (!(l01_2 > epsilon$3)); + else if (!(l01_2 > epsilon$4)); // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? // Equivalently, is (x1,y1) coincident with (x2,y2)? // Or, is the radius zero? Line to (x1,y1). - else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon$3) || !r) { + else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon$4) || !r) { this._ += "L" + (this._x1 = x1) + "," + (this._y1 = y1); } @@ -5791,7 +5871,7 @@ Path$1.prototype = path.prototype = { t21 = l / l21; // If the start tangent is not coincident with (x0,y0), line to. - if (Math.abs(t01 - 1) > epsilon$3) { + if (Math.abs(t01 - 1) > epsilon$4) { this._ += "L" + (x1 + t01 * x01) + "," + (y1 + t01 * y01); } @@ -5816,7 +5896,7 @@ Path$1.prototype = path.prototype = { } // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). - else if (Math.abs(this._x1 - x0) > epsilon$3 || Math.abs(this._y1 - y0) > epsilon$3) { + else if (Math.abs(this._x1 - x0) > epsilon$4 || Math.abs(this._y1 - y0) > epsilon$4) { this._ += "L" + x0 + "," + y0; } @@ -5832,7 +5912,7 @@ Path$1.prototype = path.prototype = { } // Is this arc non-empty? Draw an arc! - else if (da > epsilon$3) { + else if (da > epsilon$4) { this._ += "A" + r + "," + r + ",0," + (+(da >= pi$2)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1)); } }, @@ -5905,10 +5985,10 @@ function ribbon(headRadius) { if (!context) context = buffer = path(); - if (ap > epsilon$4) { - if (abs$2(sa1 - sa0) > ap * 2 + epsilon$4) sa1 > sa0 ? (sa0 += ap, sa1 -= ap) : (sa0 -= ap, sa1 += ap); + if (ap > epsilon$5) { + if (abs$2(sa1 - sa0) > ap * 2 + epsilon$5) sa1 > sa0 ? (sa0 += ap, sa1 -= ap) : (sa0 -= ap, sa1 += ap); else sa0 = sa1 = (sa0 + sa1) / 2; - if (abs$2(ta1 - ta0) > ap * 2 + epsilon$4) ta1 > ta0 ? (ta0 += ap, ta1 -= ap) : (ta0 -= ap, ta1 += ap); + if (abs$2(ta1 - ta0) > ap * 2 + epsilon$5) ta1 > ta0 ? (ta0 += ap, ta1 -= ap) : (ta0 -= ap, ta1 += ap); else ta0 = ta1 = (ta0 + ta1) / 2; } @@ -6058,16 +6138,13 @@ function contours() { // Convert number of thresholds into uniform thresholds. if (!Array.isArray(tz)) { - var domain = extent$1(values), start = domain[0], stop = domain[1]; - tz = tickStep(start, stop, tz); - tz = sequence(Math.floor(start / tz) * tz, Math.floor(stop / tz) * tz, tz); + const e = extent$1(values), ts = tickStep(e[0], e[1], tz); + tz = ticks(Math.floor(e[0] / ts) * ts, Math.floor(e[1] / ts - 1) * ts, tz); } else { tz = tz.slice().sort(ascending$1); } - return tz.map(function(value) { - return contour(values, value); - }); + return tz.map(value => contour(values, value)); } // Accumulate, smooth contour rings, assign holes to exterior rings. @@ -6295,14 +6372,22 @@ function density() { function density(data) { var values0 = new Float32Array(n * m), - values1 = new Float32Array(n * m); + values1 = new Float32Array(n * m), + pow2k = Math.pow(2, -k); data.forEach(function(d, i, data) { - var xi = (+x(d, i, data) + o) >> k, - yi = (+y(d, i, data) + o) >> k, + var xi = (x(d, i, data) + o) * pow2k, + yi = (y(d, i, data) + o) * pow2k, wi = +weight(d, i, data); if (xi >= 0 && xi < n && yi >= 0 && yi < m) { - values0[xi + yi * n] += wi; + var x0 = Math.floor(xi), + y0 = Math.floor(yi), + xt = xi - x0 - 0.5, + yt = yi - y0 - 0.5; + values0[x0 + y0 * n] += (1 - xt) * (1 - yt) * wi; + values0[x0 + 1 + y0 * n] += xt * (1 - yt) * wi; + values0[x0 + 1 + (y0 + 1) * n] += xt * yt * wi; + values0[x0 + (y0 + 1) * n] += (1 - xt) * yt * wi; } }); @@ -6396,6 +6481,274 @@ function density() { return density; } +const epsilon$3 = 1.1102230246251565e-16; +const splitter = 134217729; +const resulterrbound = (3 + 8 * epsilon$3) * epsilon$3; + +// fast_expansion_sum_zeroelim routine from oritinal code +function sum$1(elen, e, flen, f, h) { + let Q, Qnew, hh, bvirt; + let enow = e[0]; + let fnow = f[0]; + let eindex = 0; + let findex = 0; + if ((fnow > enow) === (fnow > -enow)) { + Q = enow; + enow = e[++eindex]; + } else { + Q = fnow; + fnow = f[++findex]; + } + let hindex = 0; + if (eindex < elen && findex < flen) { + if ((fnow > enow) === (fnow > -enow)) { + Qnew = enow + Q; + hh = Q - (Qnew - enow); + enow = e[++eindex]; + } else { + Qnew = fnow + Q; + hh = Q - (Qnew - fnow); + fnow = f[++findex]; + } + Q = Qnew; + if (hh !== 0) { + h[hindex++] = hh; + } + while (eindex < elen && findex < flen) { + if ((fnow > enow) === (fnow > -enow)) { + Qnew = Q + enow; + bvirt = Qnew - Q; + hh = Q - (Qnew - bvirt) + (enow - bvirt); + enow = e[++eindex]; + } else { + Qnew = Q + fnow; + bvirt = Qnew - Q; + hh = Q - (Qnew - bvirt) + (fnow - bvirt); + fnow = f[++findex]; + } + Q = Qnew; + if (hh !== 0) { + h[hindex++] = hh; + } + } + } + while (eindex < elen) { + Qnew = Q + enow; + bvirt = Qnew - Q; + hh = Q - (Qnew - bvirt) + (enow - bvirt); + enow = e[++eindex]; + Q = Qnew; + if (hh !== 0) { + h[hindex++] = hh; + } + } + while (findex < flen) { + Qnew = Q + fnow; + bvirt = Qnew - Q; + hh = Q - (Qnew - bvirt) + (fnow - bvirt); + fnow = f[++findex]; + Q = Qnew; + if (hh !== 0) { + h[hindex++] = hh; + } + } + if (Q !== 0 || hindex === 0) { + h[hindex++] = Q; + } + return hindex; +} + +function estimate(elen, e) { + let Q = e[0]; + for (let i = 1; i < elen; i++) Q += e[i]; + return Q; +} + +function vec(n) { + return new Float64Array(n); +} + +const ccwerrboundA = (3 + 16 * epsilon$3) * epsilon$3; +const ccwerrboundB = (2 + 12 * epsilon$3) * epsilon$3; +const ccwerrboundC = (9 + 64 * epsilon$3) * epsilon$3 * epsilon$3; + +const B = vec(4); +const C1 = vec(8); +const C2 = vec(12); +const D = vec(16); +const u = vec(4); + +function orient2dadapt(ax, ay, bx, by, cx, cy, detsum) { + let acxtail, acytail, bcxtail, bcytail; + let bvirt, c, ahi, alo, bhi, blo, _i, _j, _0, s1, s0, t1, t0, u3; + + const acx = ax - cx; + const bcx = bx - cx; + const acy = ay - cy; + const bcy = by - cy; + + s1 = acx * bcy; + c = splitter * acx; + ahi = c - (c - acx); + alo = acx - ahi; + c = splitter * bcy; + bhi = c - (c - bcy); + blo = bcy - bhi; + s0 = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo); + t1 = acy * bcx; + c = splitter * acy; + ahi = c - (c - acy); + alo = acy - ahi; + c = splitter * bcx; + bhi = c - (c - bcx); + blo = bcx - bhi; + t0 = alo * blo - (t1 - ahi * bhi - alo * bhi - ahi * blo); + _i = s0 - t0; + bvirt = s0 - _i; + B[0] = s0 - (_i + bvirt) + (bvirt - t0); + _j = s1 + _i; + bvirt = _j - s1; + _0 = s1 - (_j - bvirt) + (_i - bvirt); + _i = _0 - t1; + bvirt = _0 - _i; + B[1] = _0 - (_i + bvirt) + (bvirt - t1); + u3 = _j + _i; + bvirt = u3 - _j; + B[2] = _j - (u3 - bvirt) + (_i - bvirt); + B[3] = u3; + + let det = estimate(4, B); + let errbound = ccwerrboundB * detsum; + if (det >= errbound || -det >= errbound) { + return det; + } + + bvirt = ax - acx; + acxtail = ax - (acx + bvirt) + (bvirt - cx); + bvirt = bx - bcx; + bcxtail = bx - (bcx + bvirt) + (bvirt - cx); + bvirt = ay - acy; + acytail = ay - (acy + bvirt) + (bvirt - cy); + bvirt = by - bcy; + bcytail = by - (bcy + bvirt) + (bvirt - cy); + + if (acxtail === 0 && acytail === 0 && bcxtail === 0 && bcytail === 0) { + return det; + } + + errbound = ccwerrboundC * detsum + resulterrbound * Math.abs(det); + det += (acx * bcytail + bcy * acxtail) - (acy * bcxtail + bcx * acytail); + if (det >= errbound || -det >= errbound) return det; + + s1 = acxtail * bcy; + c = splitter * acxtail; + ahi = c - (c - acxtail); + alo = acxtail - ahi; + c = splitter * bcy; + bhi = c - (c - bcy); + blo = bcy - bhi; + s0 = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo); + t1 = acytail * bcx; + c = splitter * acytail; + ahi = c - (c - acytail); + alo = acytail - ahi; + c = splitter * bcx; + bhi = c - (c - bcx); + blo = bcx - bhi; + t0 = alo * blo - (t1 - ahi * bhi - alo * bhi - ahi * blo); + _i = s0 - t0; + bvirt = s0 - _i; + u[0] = s0 - (_i + bvirt) + (bvirt - t0); + _j = s1 + _i; + bvirt = _j - s1; + _0 = s1 - (_j - bvirt) + (_i - bvirt); + _i = _0 - t1; + bvirt = _0 - _i; + u[1] = _0 - (_i + bvirt) + (bvirt - t1); + u3 = _j + _i; + bvirt = u3 - _j; + u[2] = _j - (u3 - bvirt) + (_i - bvirt); + u[3] = u3; + const C1len = sum$1(4, B, 4, u, C1); + + s1 = acx * bcytail; + c = splitter * acx; + ahi = c - (c - acx); + alo = acx - ahi; + c = splitter * bcytail; + bhi = c - (c - bcytail); + blo = bcytail - bhi; + s0 = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo); + t1 = acy * bcxtail; + c = splitter * acy; + ahi = c - (c - acy); + alo = acy - ahi; + c = splitter * bcxtail; + bhi = c - (c - bcxtail); + blo = bcxtail - bhi; + t0 = alo * blo - (t1 - ahi * bhi - alo * bhi - ahi * blo); + _i = s0 - t0; + bvirt = s0 - _i; + u[0] = s0 - (_i + bvirt) + (bvirt - t0); + _j = s1 + _i; + bvirt = _j - s1; + _0 = s1 - (_j - bvirt) + (_i - bvirt); + _i = _0 - t1; + bvirt = _0 - _i; + u[1] = _0 - (_i + bvirt) + (bvirt - t1); + u3 = _j + _i; + bvirt = u3 - _j; + u[2] = _j - (u3 - bvirt) + (_i - bvirt); + u[3] = u3; + const C2len = sum$1(C1len, C1, 4, u, C2); + + s1 = acxtail * bcytail; + c = splitter * acxtail; + ahi = c - (c - acxtail); + alo = acxtail - ahi; + c = splitter * bcytail; + bhi = c - (c - bcytail); + blo = bcytail - bhi; + s0 = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo); + t1 = acytail * bcxtail; + c = splitter * acytail; + ahi = c - (c - acytail); + alo = acytail - ahi; + c = splitter * bcxtail; + bhi = c - (c - bcxtail); + blo = bcxtail - bhi; + t0 = alo * blo - (t1 - ahi * bhi - alo * bhi - ahi * blo); + _i = s0 - t0; + bvirt = s0 - _i; + u[0] = s0 - (_i + bvirt) + (bvirt - t0); + _j = s1 + _i; + bvirt = _j - s1; + _0 = s1 - (_j - bvirt) + (_i - bvirt); + _i = _0 - t1; + bvirt = _0 - _i; + u[1] = _0 - (_i + bvirt) + (bvirt - t1); + u3 = _j + _i; + bvirt = u3 - _j; + u[2] = _j - (u3 - bvirt) + (_i - bvirt); + u[3] = u3; + const Dlen = sum$1(C2len, C2, 4, u, D); + + return D[Dlen - 1]; +} + +function orient2d(ax, ay, bx, by, cx, cy) { + const detleft = (ay - cy) * (bx - cx); + const detright = (ax - cx) * (by - cy); + const det = detleft - detright; + + if (detleft === 0 || detright === 0 || (detleft > 0) !== (detright > 0)) return det; + + const detsum = Math.abs(detleft + detright); + if (Math.abs(det) >= ccwerrboundA * detsum) return det; + + return -orient2dadapt(ax, ay, bx, by, cx, cy, detsum); +} + const EPSILON = Math.pow(2, -52); const EDGE_STACK = new Uint32Array(512); @@ -6526,7 +6879,7 @@ class Delaunator { } // swap the order of the seed points for counter-clockwise orientation - if (orient(i0x, i0y, i1x, i1y, i2x, i2y)) { + if (orient2d(i0x, i0y, i1x, i1y, i2x, i2y) < 0) { const i = i1; const x = i1x; const y = i1y; @@ -6591,7 +6944,7 @@ class Delaunator { start = hullPrev[start]; let e = start, q; - while (q = hullNext[e], !orient(x, y, coords[2 * e], coords[2 * e + 1], coords[2 * q], coords[2 * q + 1])) { + while (q = hullNext[e], orient2d(x, y, coords[2 * e], coords[2 * e + 1], coords[2 * q], coords[2 * q + 1]) >= 0) { e = q; if (e === start) { e = -1; @@ -6610,7 +6963,7 @@ class Delaunator { // walk forward through the hull, adding more triangles and flipping recursively let n = hullNext[e]; - while (q = hullNext[n], orient(x, y, coords[2 * n], coords[2 * n + 1], coords[2 * q], coords[2 * q + 1])) { + while (q = hullNext[n], orient2d(x, y, coords[2 * n], coords[2 * n + 1], coords[2 * q], coords[2 * q + 1]) < 0) { t = this._addTriangle(n, i, q, hullTri[i], -1, hullTri[n]); hullTri[i] = this._legalize(t + 2); hullNext[n] = n; // mark as removed @@ -6620,7 +6973,7 @@ class Delaunator { // walk backward from the other side, adding more triangles and flipping if (e === start) { - while (q = hullPrev[e], orient(x, y, coords[2 * q], coords[2 * q + 1], coords[2 * e], coords[2 * e + 1])) { + while (q = hullPrev[e], orient2d(x, y, coords[2 * q], coords[2 * q + 1], coords[2 * e], coords[2 * e + 1]) < 0) { t = this._addTriangle(q, i, e, -1, hullTri[e], hullTri[q]); this._legalize(t + 2); hullTri[q] = t; @@ -6775,21 +7128,6 @@ function dist(ax, ay, bx, by) { return dx * dx + dy * dy; } -// return 2d orientation sign if we're confident in it through J. Shewchuk's error bound check -function orientIfSure(px, py, rx, ry, qx, qy) { - const l = (ry - py) * (qx - px); - const r = (rx - px) * (qy - py); - return Math.abs(l - r) >= 3.3306690738754716e-16 * Math.abs(l + r) ? l - r : 0; -} - -// a more robust orientation test that's stable in a given triangle (to fix robustness issues) -function orient(rx, ry, qx, qy, px, py) { - const sign = orientIfSure(px, py, rx, ry, qx, qy) || - orientIfSure(rx, ry, qx, qy, px, py) || - orientIfSure(qx, qy, px, py, rx, ry); - return sign < 0; -} - function inCircle(ax, ay, bx, by, cx, cy, px, py) { const dx = ax - px; const dy = ay - py; @@ -6982,21 +7320,26 @@ class Voronoi { const dy = y2 - y1; const ex = x3 - x1; const ey = y3 - y1; - const bl = dx * dx + dy * dy; - const cl = ex * ex + ey * ey; const ab = (dx * ey - dy * ex) * 2; - if (!ab) { + if (Math.abs(ab) < 1e-9) { // degenerate case (collinear diagram) - x = (x1 + x3) / 2 - 1e8 * ey; - y = (y1 + y3) / 2 + 1e8 * ex; - } - else if (Math.abs(ab) < 1e-8) { // almost equal points (degenerate triangle) - x = (x1 + x3) / 2; - y = (y1 + y3) / 2; + // the circumcenter is at the infinity, in a + // direction that is: + // 1. orthogonal to the halfedge. + let a = 1e9; + // 2. points away from the center; since the list of triangles starts + // in the center, the first point of the first triangle + // will be our reference + const r = triangles[0] * 2; + a *= Math.sign((points[r] - x1) * ey - (points[r + 1] - y1) * ex); + x = (x1 + x3) / 2 - a * ey; + y = (y1 + y3) / 2 + a * ex; } else { const d = 1 / ab; + const bl = dx * dx + dy * dy; + const cl = ex * ex + ey * ey; x = x1 + (ey * bl - dy * cl) * d; y = y1 + (dx * cl - ex * bl) * d; } @@ -7144,7 +7487,7 @@ class Voronoi { let P = null; let x0, y0, x1 = points[n - 2], y1 = points[n - 1]; let c0, c1 = this._regioncode(x1, y1); - let e0, e1; + let e0, e1 = 0; for (let j = 0; j < n; j += 2) { x0 = x1, y0 = y1, x1 = points[j], y1 = points[j + 1]; c0 = c1, c1 = this._regioncode(x1, y1); @@ -7219,6 +7562,8 @@ class Voronoi { case 0b1001: e0 = 0b0001; continue; // bottom-left case 0b0001: e0 = 0b0101, x = this.xmin, y = this.ymin; break; // left } + // Note: this implicitly checks for out of bounds: if P[j] or P[j+1] are + // undefined, the conditional statement will be executed. if ((P[j] !== x || P[j + 1] !== y) && this.contains(i, x, y)) { P.splice(j, 0, x, y), j += 2; } @@ -7353,10 +7698,12 @@ class Delaunay { this.triangles = new Int32Array(3).fill(-1); this.halfedges = new Int32Array(3).fill(-1); this.triangles[0] = hull[0]; - this.triangles[1] = hull[1]; - this.triangles[2] = hull[1]; inedges[hull[0]] = 1; - if (hull.length === 2) inedges[hull[1]] = 0; + if (hull.length === 2) { + inedges[hull[1]] = 0; + this.triangles[1] = hull[1]; + this.triangles[2] = hull[1]; + } } } voronoi(bounds) { @@ -7433,7 +7780,9 @@ class Delaunay { this.renderHull(context); return buffer && buffer.value(); } - renderPoints(context, r = 2) { + renderPoints(context, r) { + if (r === undefined && (!context || typeof context.moveTo !== "function")) r = context, context = null; + r = r == undefined ? 2 : +r; const buffer = context == null ? context = new Path : undefined; const {points} = this; for (let i = 0, n = points.length; i < n; i += 2) { @@ -10012,10 +10361,7 @@ function link$1(array) { } function longitude(point) { - if (abs$1(point[0]) <= pi$1) - return point[0]; - else - return sign$1(point[0]) * ((abs$1(point[0]) + pi$1) % tau$1 - pi$1); + return abs$1(point[0]) <= pi$1 ? point[0] : sign$1(point[0]) * ((abs$1(point[0]) + pi$1) % tau$1 - pi$1); } function polygonContains(polygon, point) { @@ -14055,27 +14401,26 @@ function initInterpolator(domain, interpolator) { const implicit = Symbol("implicit"); function ordinal() { - var index = new Map(), + var index = new InternMap(), domain = [], range = [], unknown = implicit; function scale(d) { - var key = d + "", i = index.get(key); - if (!i) { + let i = index.get(d); + if (i === undefined) { if (unknown !== implicit) return unknown; - index.set(key, i = domain.push(d)); + index.set(d, i = domain.push(d) - 1); } - return range[(i - 1) % range.length]; + return range[i % range.length]; } scale.domain = function(_) { if (!arguments.length) return domain.slice(); - domain = [], index = new Map(); + domain = [], index = new InternMap(); for (const value of _) { - const key = value + ""; - if (index.has(key)) continue; - index.set(key, domain.push(value)); + if (index.has(value)) continue; + index.set(value, domain.push(value) - 1); } return scale; }; @@ -14982,40 +15327,42 @@ millisecond.every = function(k) { }; var milliseconds = millisecond.range; -var durationSecond$1 = 1e3; -var durationMinute$1 = 6e4; -var durationHour$1 = 36e5; -var durationDay$1 = 864e5; -var durationWeek$1 = 6048e5; +const durationSecond = 1000; +const durationMinute = durationSecond * 60; +const durationHour = durationMinute * 60; +const durationDay = durationHour * 24; +const durationWeek = durationDay * 7; +const durationMonth = durationDay * 30; +const durationYear = durationDay * 365; var second = newInterval(function(date) { date.setTime(date - date.getMilliseconds()); }, function(date, step) { - date.setTime(+date + step * durationSecond$1); + date.setTime(+date + step * durationSecond); }, function(start, end) { - return (end - start) / durationSecond$1; + return (end - start) / durationSecond; }, function(date) { return date.getUTCSeconds(); }); var seconds = second.range; var minute = newInterval(function(date) { - date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond$1); + date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond); }, function(date, step) { - date.setTime(+date + step * durationMinute$1); + date.setTime(+date + step * durationMinute); }, function(start, end) { - return (end - start) / durationMinute$1; + return (end - start) / durationMinute; }, function(date) { return date.getMinutes(); }); var minutes = minute.range; var hour = newInterval(function(date) { - date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond$1 - date.getMinutes() * durationMinute$1); + date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond - date.getMinutes() * durationMinute); }, function(date, step) { - date.setTime(+date + step * durationHour$1); + date.setTime(+date + step * durationHour); }, function(start, end) { - return (end - start) / durationHour$1; + return (end - start) / durationHour; }, function(date) { return date.getHours(); }); @@ -15024,7 +15371,7 @@ var hours = hour.range; var day = newInterval( date => date.setHours(0, 0, 0, 0), (date, step) => date.setDate(date.getDate() + step), - (start, end) => (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationDay$1, + (start, end) => (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay, date => date.getDate() - 1 ); var days = day.range; @@ -15036,7 +15383,7 @@ function weekday(i) { }, function(date, step) { date.setDate(date.getDate() + step * 7); }, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationWeek$1; + return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; }); } @@ -15094,9 +15441,9 @@ var years = year.range; var utcMinute = newInterval(function(date) { date.setUTCSeconds(0, 0); }, function(date, step) { - date.setTime(+date + step * durationMinute$1); + date.setTime(+date + step * durationMinute); }, function(start, end) { - return (end - start) / durationMinute$1; + return (end - start) / durationMinute; }, function(date) { return date.getUTCMinutes(); }); @@ -15105,9 +15452,9 @@ var utcMinutes = utcMinute.range; var utcHour = newInterval(function(date) { date.setUTCMinutes(0, 0, 0); }, function(date, step) { - date.setTime(+date + step * durationHour$1); + date.setTime(+date + step * durationHour); }, function(start, end) { - return (end - start) / durationHour$1; + return (end - start) / durationHour; }, function(date) { return date.getUTCHours(); }); @@ -15118,7 +15465,7 @@ var utcDay = newInterval(function(date) { }, function(date, step) { date.setUTCDate(date.getUTCDate() + step); }, function(start, end) { - return (end - start) / durationDay$1; + return (end - start) / durationDay; }, function(date) { return date.getUTCDate() - 1; }); @@ -15131,7 +15478,7 @@ function utcWeekday(i) { }, function(date, step) { date.setUTCDate(date.getUTCDate() + step * 7); }, function(start, end) { - return (end - start) / durationWeek$1; + return (end - start) / durationWeek; }); } @@ -15186,6 +15533,52 @@ utcYear.every = function(k) { }; var utcYears = utcYear.range; +function ticker(year, month, week, day, hour, minute) { + + const tickIntervals = [ + [second, 1, durationSecond], + [second, 5, 5 * durationSecond], + [second, 15, 15 * durationSecond], + [second, 30, 30 * durationSecond], + [minute, 1, durationMinute], + [minute, 5, 5 * durationMinute], + [minute, 15, 15 * durationMinute], + [minute, 30, 30 * durationMinute], + [ hour, 1, durationHour ], + [ hour, 3, 3 * durationHour ], + [ hour, 6, 6 * durationHour ], + [ hour, 12, 12 * durationHour ], + [ day, 1, durationDay ], + [ day, 2, 2 * durationDay ], + [ week, 1, durationWeek ], + [ month, 1, durationMonth ], + [ month, 3, 3 * durationMonth ], + [ year, 1, durationYear ] + ]; + + function ticks(start, stop, count) { + const reverse = stop < start; + if (reverse) [start, stop] = [stop, start]; + const interval = count && typeof count.range === "function" ? count : tickInterval(start, stop, count); + const ticks = interval ? interval.range(start, +stop + 1) : []; // inclusive stop + return reverse ? ticks.reverse() : ticks; + } + + function tickInterval(start, stop, count) { + const target = Math.abs(stop - start) / count; + const i = bisector(([,, step]) => step).right(tickIntervals, target); + if (i === tickIntervals.length) return year.every(tickStep(start / durationYear, stop / durationYear, count)); + if (i === 0) return millisecond.every(Math.max(tickStep(start, stop, count), 1)); + const [t, step] = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; + return t.every(step); + } + + return [ticks, tickInterval]; +} + +const [utcTicks, utcTickInterval] = ticker(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute); +const [timeTicks, timeTickInterval] = ticker(year, month, sunday, day, hour, minute); + function localDate(d) { if (0 <= d.y && d.y < 100) { var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); @@ -15916,14 +16309,6 @@ var parseIso = +new Date("2000-01-01T00:00:00.000Z") ? parseIsoNative : exports.utcParse(isoSpecifier); -var durationSecond = 1000, - durationMinute = durationSecond * 60, - durationHour = durationMinute * 60, - durationDay = durationHour * 24, - durationWeek = durationDay * 7, - durationMonth = durationDay * 30, - durationYear = durationDay * 365; - function date(t) { return new Date(t); } @@ -15932,7 +16317,7 @@ function number(t) { return t instanceof Date ? +t : +new Date(+t); } -function calendar(year, month, week, day, hour, minute, second, millisecond, format) { +function calendar(ticks, tickInterval, year, month, week, day, hour, minute, second, format) { var scale = continuous(), invert = scale.invert, domain = scale.domain; @@ -15946,27 +16331,6 @@ function calendar(year, month, week, day, hour, minute, second, millisecond, for formatMonth = format("%B"), formatYear = format("%Y"); - var tickIntervals = [ - [second, 1, durationSecond], - [second, 5, 5 * durationSecond], - [second, 15, 15 * durationSecond], - [second, 30, 30 * durationSecond], - [minute, 1, durationMinute], - [minute, 5, 5 * durationMinute], - [minute, 15, 15 * durationMinute], - [minute, 30, 30 * durationMinute], - [ hour, 1, durationHour ], - [ hour, 3, 3 * durationHour ], - [ hour, 6, 6 * durationHour ], - [ hour, 12, 12 * durationHour ], - [ day, 1, durationDay ], - [ day, 2, 2 * durationDay ], - [ week, 1, durationWeek ], - [ month, 1, durationMonth ], - [ month, 3, 3 * durationMonth ], - [ year, 1, durationYear ] - ]; - function tickFormat(date) { return (second(date) < date ? formatMillisecond : minute(date) < date ? formatSecond @@ -15977,33 +16341,6 @@ function calendar(year, month, week, day, hour, minute, second, millisecond, for : formatYear)(date); } - function tickInterval(interval, start, stop) { - if (interval == null) interval = 10; - - // If a desired tick count is specified, pick a reasonable tick interval - // based on the extent of the domain and a rough estimate of tick size. - // Otherwise, assume interval is already a time interval and use it. - if (typeof interval === "number") { - var target = Math.abs(stop - start) / interval, - i = bisector(function(i) { return i[2]; }).right(tickIntervals, target), - step; - if (i === tickIntervals.length) { - step = tickStep(start / durationYear, stop / durationYear, interval); - interval = year; - } else if (i) { - i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; - step = i[1]; - interval = i[0]; - } else { - step = Math.max(tickStep(start, stop, interval), 1); - interval = millisecond; - } - return interval.every(step); - } - - return interval; - } - scale.invert = function(y) { return new Date(invert(y)); }; @@ -16013,15 +16350,8 @@ function calendar(year, month, week, day, hour, minute, second, millisecond, for }; scale.ticks = function(interval) { - var d = domain(), - t0 = d[0], - t1 = d[d.length - 1], - r = t1 < t0, - t; - if (r) t = t0, t0 = t1, t1 = t; - t = tickInterval(interval, t0, t1); - t = t ? t.range(t0, t1 + 1) : []; // inclusive stop - return r ? t.reverse() : t; + var d = domain(); + return ticks(d[0], d[d.length - 1], interval == null ? 10 : interval); }; scale.tickFormat = function(count, specifier) { @@ -16030,24 +16360,23 @@ function calendar(year, month, week, day, hour, minute, second, millisecond, for scale.nice = function(interval) { var d = domain(); - return (interval = tickInterval(interval, d[0], d[d.length - 1])) - ? domain(nice(d, interval)) - : scale; + if (!interval || typeof interval.range !== "function") interval = tickInterval(d[0], d[d.length - 1], interval == null ? 10 : interval); + return interval ? domain(nice(d, interval)) : scale; }; scale.copy = function() { - return copy$1(scale, calendar(year, month, week, day, hour, minute, second, millisecond, format)); + return copy$1(scale, calendar(ticks, tickInterval, year, month, week, day, hour, minute, second, format)); }; return scale; } function time() { - return initRange.apply(calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments); + return initRange.apply(calendar(timeTicks, timeTickInterval, year, month, sunday, day, hour, minute, second, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments); } function utcTime() { - return initRange.apply(calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]), arguments); + return initRange.apply(calendar(utcTicks, utcTickInterval, utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]), arguments); } function transformer$1() { @@ -17029,7 +17358,7 @@ Linear.prototype = { x = +x, y = +y; switch (this._point) { case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed + case 1: this._point = 2; // falls through default: this._context.lineTo(x, y); break; } } @@ -17628,7 +17957,7 @@ Basis.prototype = { }, lineEnd: function() { switch (this._point) { - case 3: point$3(this, this._x1, this._y1); // proceed + case 3: point$3(this, this._x1, this._y1); // falls through case 2: this._context.lineTo(this._x1, this._y1); break; } if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); @@ -17639,7 +17968,7 @@ Basis.prototype = { switch (this._point) { case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; case 1: this._point = 2; break; - case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed + case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // falls through default: point$3(this, x, y); break; } this._x0 = this._x1, this._x1 = x; @@ -17727,7 +18056,7 @@ BasisOpen.prototype = { case 0: this._point = 1; break; case 1: this._point = 2; break; case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; - case 3: this._point = 4; // proceed + case 3: this._point = 4; // falls through default: point$3(this, x, y); break; } this._x0 = this._x1, this._x1 = x; @@ -17766,7 +18095,7 @@ class Bump { else this._context.moveTo(x, y); break; } - case 1: this._point = 2; // proceed + case 1: this._point = 2; // falls through default: { if (this._x) this._context.bezierCurveTo(this._x0 = (this._x0 + x) / 2, this._y0, this._x0, y, x, y); else this._context.bezierCurveTo(this._x0, this._y0 = (this._y0 + y) / 2, x, this._y0, x, y); @@ -17881,7 +18210,7 @@ Cardinal.prototype = { switch (this._point) { case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; case 1: this._point = 2; this._x1 = x, this._y1 = y; break; - case 2: this._point = 3; // proceed + case 2: this._point = 3; // falls through default: point$2(this, x, y); break; } this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; @@ -17988,7 +18317,7 @@ CardinalOpen.prototype = { case 0: this._point = 1; break; case 1: this._point = 2; break; case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed + case 3: this._point = 4; // falls through default: point$2(this, x, y); break; } this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; @@ -18071,7 +18400,7 @@ CatmullRom.prototype = { switch (this._point) { case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; case 1: this._point = 2; break; - case 2: this._point = 3; // proceed + case 2: this._point = 3; // falls through default: point$1(this, x, y); break; } @@ -18202,7 +18531,7 @@ CatmullRomOpen.prototype = { case 0: this._point = 1; break; case 1: this._point = 2; break; case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed + case 3: this._point = 4; // falls through default: point$1(this, x, y); break; } @@ -18446,7 +18775,7 @@ Step.prototype = { x = +x, y = +y; switch (this._point) { case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed + case 1: this._point = 2; // falls through default: { if (this._t <= 0) { this._context.lineTo(this._x, y); @@ -18798,7 +19127,7 @@ function zoom() { function zoom(selection) { selection .property("__zoom", defaultTransform) - .on("wheel.zoom", wheeled) + .on("wheel.zoom", wheeled, {passive: false}) .on("mousedown.zoom", mousedowned) .on("dblclick.zoom", dblclicked) .filter(touchable) @@ -18995,10 +19324,10 @@ function zoom() { function mousedowned(event, ...args) { if (touchending || !filter.apply(this, arguments)) return; - var g = gesture(this, args, true).event(event), + var currentTarget = event.currentTarget, + g = gesture(this, args, true).event(event), v = select(event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), p = pointer(event, currentTarget), - currentTarget = event.currentTarget, x0 = event.clientX, y0 = event.clientY; @@ -19177,7 +19506,9 @@ exports.Delaunay = Delaunay; exports.FormatSpecifier = FormatSpecifier; exports.InternMap = InternMap; exports.InternSet = InternSet; +exports.Node = Node$1; exports.Voronoi = Voronoi; +exports.ZoomTransform = Transform; exports.active = active; exports.arc = arc; exports.area = area; @@ -19292,6 +19623,8 @@ exports.every = every; exports.extent = extent$1; exports.fcumsum = fcumsum; exports.filter = filter$1; +exports.flatGroup = flatGroup; +exports.flatRollup = flatRollup; exports.forceCenter = center; exports.forceCollide = collide; exports.forceLink = link$2; @@ -19455,6 +19788,7 @@ exports.median = median; exports.merge = merge; exports.min = min$2; exports.minIndex = minIndex; +exports.mode = mode; exports.namespace = namespace; exports.namespaces = namespaces; exports.nice = nice$1; @@ -19601,7 +19935,7 @@ exports.stackOrderReverse = reverse; exports.stratify = stratify; exports.style = styleValue; exports.subset = subset; -exports.sum = sum$1; +exports.sum = sum$2; exports.superset = superset; exports.svg = svg; exports.symbol = symbol; @@ -19646,6 +19980,8 @@ exports.timeSunday = sunday; exports.timeSundays = sundays; exports.timeThursday = thursday; exports.timeThursdays = thursdays; +exports.timeTickInterval = timeTickInterval; +exports.timeTicks = timeTicks; exports.timeTuesday = tuesday; exports.timeTuesdays = tuesdays; exports.timeWednesday = wednesday; @@ -19698,6 +20034,8 @@ exports.utcSunday = utcSunday; exports.utcSundays = utcSundays; exports.utcThursday = utcThursday; exports.utcThursdays = utcThursdays; +exports.utcTickInterval = utcTickInterval; +exports.utcTicks = utcTicks; exports.utcTuesday = utcTuesday; exports.utcTuesdays = utcTuesdays; 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lib/d3/rails/version.rb | 2 +- 7 files changed, 3002 insertions(+), 1866 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 70034ec..9f43d30 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,7 @@ +## 7.8.5 (2 June 2023) +* Update updater to update to version 7.8.5 +* Upgrade D3 to 7.8.5 + ## 7.0.0 (18 June 2021) * Update updater to update to version 7 * Upgrade D3 to 7.0.0 diff --git a/README.md b/README.md index e61dcbb..b08065f 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,7 @@ d3-rails provides D3 for Rails 3.1 and higher. ## Version -d3-rails comes with version 7.0.0 of D3.js. The d3-rails version will +d3-rails comes with version 7.8.5 of D3.js. The d3-rails version will always mirror the version of D3. If you need a newer version of d3-rails, see section Development (below). diff --git a/app/assets/javascripts/d3.js b/app/assets/javascripts/d3.js index 10fd841..c1f71bc 100644 --- a/app/assets/javascripts/d3.js +++ b/app/assets/javascripts/d3.js @@ -1,54 +1,67 @@ -// https://d3js.org v7.0.0 Copyright 2010-2021 Mike Bostock +// https://d3js.org v7.8.5 Copyright 2010-2023 Mike Bostock (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.d3 = global.d3 || {})); -}(this, (function (exports) { 'use strict'; +})(this, (function (exports) { 'use strict'; -var version = "7.0.0"; +var version = "7.8.5"; function ascending$3(a, b) { + return a == null || b == null ? NaN : a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; +} + +function descending$2(a, b) { return a == null || b == null ? NaN - : a < b ? -1 - : a > b ? 1 - : a >= b ? 0 + : b < a ? -1 + : b > a ? 1 + : b >= a ? 0 : NaN; } function bisector(f) { - let delta = f; - let compare = f; - - if (f.length === 1) { + let compare1, compare2, delta; + + // If an accessor is specified, promote it to a comparator. In this case we + // can test whether the search value is (self-) comparable. We can’t do this + // for a comparator (except for specific, known comparators) because we can’t + // tell if the comparator is symmetric, and an asymmetric comparator can’t be + // used to test whether a single value is comparable. + if (f.length !== 2) { + compare1 = ascending$3; + compare2 = (d, x) => ascending$3(f(d), x); delta = (d, x) => f(d) - x; - compare = ascendingComparator(f); + } else { + compare1 = f === ascending$3 || f === descending$2 ? f : zero$1; + compare2 = f; + delta = f; } - function left(a, x, lo, hi) { - if (lo == null) lo = 0; - if (hi == null) hi = a.length; - while (lo < hi) { - const mid = (lo + hi) >>> 1; - if (compare(a[mid], x) < 0) lo = mid + 1; - else hi = mid; + function left(a, x, lo = 0, hi = a.length) { + if (lo < hi) { + if (compare1(x, x) !== 0) return hi; + do { + const mid = (lo + hi) >>> 1; + if (compare2(a[mid], x) < 0) lo = mid + 1; + else hi = mid; + } while (lo < hi); } return lo; } - function right(a, x, lo, hi) { - if (lo == null) lo = 0; - if (hi == null) hi = a.length; - while (lo < hi) { - const mid = (lo + hi) >>> 1; - if (compare(a[mid], x) > 0) hi = mid; - else lo = mid + 1; + function right(a, x, lo = 0, hi = a.length) { + if (lo < hi) { + if (compare1(x, x) !== 0) return hi; + do { + const mid = (lo + hi) >>> 1; + if (compare2(a[mid], x) <= 0) lo = mid + 1; + else hi = mid; + } while (lo < hi); } return lo; } - function center(a, x, lo, hi) { - if (lo == null) lo = 0; - if (hi == null) hi = a.length; + function center(a, x, lo = 0, hi = a.length) { const i = left(a, x, lo, hi - 1); return i > lo && delta(a[i - 1], x) > -delta(a[i], x) ? i - 1 : i; } @@ -56,8 +69,8 @@ function bisector(f) { return {left, center, right}; } -function ascendingComparator(f) { - return (d, x) => ascending$3(f(d), x); +function zero$1() { + return 0; } function number$3(x) { @@ -85,6 +98,123 @@ const ascendingBisect = bisector(ascending$3); const bisectRight = ascendingBisect.right; const bisectLeft = ascendingBisect.left; const bisectCenter = bisector(number$3).center; +var bisect = bisectRight; + +function blur(values, r) { + if (!((r = +r) >= 0)) throw new RangeError("invalid r"); + let length = values.length; + if (!((length = Math.floor(length)) >= 0)) throw new RangeError("invalid length"); + if (!length || !r) return values; + const blur = blurf(r); + const temp = values.slice(); + blur(values, temp, 0, length, 1); + blur(temp, values, 0, length, 1); + blur(values, temp, 0, length, 1); + return values; +} + +const blur2 = Blur2(blurf); + +const blurImage = Blur2(blurfImage); + +function Blur2(blur) { + return function(data, rx, ry = rx) { + if (!((rx = +rx) >= 0)) throw new RangeError("invalid rx"); + if (!((ry = +ry) >= 0)) throw new RangeError("invalid ry"); + let {data: values, width, height} = data; + if (!((width = Math.floor(width)) >= 0)) throw new RangeError("invalid width"); + if (!((height = Math.floor(height !== undefined ? height : values.length / width)) >= 0)) throw new RangeError("invalid height"); + if (!width || !height || (!rx && !ry)) return data; + const blurx = rx && blur(rx); + const blury = ry && blur(ry); + const temp = values.slice(); + if (blurx && blury) { + blurh(blurx, temp, values, width, height); + blurh(blurx, values, temp, width, height); + blurh(blurx, temp, values, width, height); + blurv(blury, values, temp, width, height); + blurv(blury, temp, values, width, height); + blurv(blury, values, temp, width, height); + } else if (blurx) { + blurh(blurx, values, temp, width, height); + blurh(blurx, temp, values, width, height); + blurh(blurx, values, temp, width, height); + } else if (blury) { + blurv(blury, values, temp, width, height); + blurv(blury, temp, values, width, height); + blurv(blury, values, temp, width, height); + } + return data; + }; +} + +function blurh(blur, T, S, w, h) { + for (let y = 0, n = w * h; y < n;) { + blur(T, S, y, y += w, 1); + } +} + +function blurv(blur, T, S, w, h) { + for (let x = 0, n = w * h; x < w; ++x) { + blur(T, S, x, x + n, w); + } +} + +function blurfImage(radius) { + const blur = blurf(radius); + return (T, S, start, stop, step) => { + start <<= 2, stop <<= 2, step <<= 2; + blur(T, S, start + 0, stop + 0, step); + blur(T, S, start + 1, stop + 1, step); + blur(T, S, start + 2, stop + 2, step); + blur(T, S, start + 3, stop + 3, step); + }; +} + +// Given a target array T, a source array S, sets each value T[i] to the average +// of {S[i - r], …, S[i], …, S[i + r]}, where r = ⌊radius⌋, start <= i < stop, +// for each i, i + step, i + 2 * step, etc., and where S[j] is clamped between +// S[start] (inclusive) and S[stop] (exclusive). If the given radius is not an +// integer, S[i - r - 1] and S[i + r + 1] are added to the sum, each weighted +// according to r - ⌊radius⌋. +function blurf(radius) { + const radius0 = Math.floor(radius); + if (radius0 === radius) return bluri(radius); + const t = radius - radius0; + const w = 2 * radius + 1; + return (T, S, start, stop, step) => { // stop must be aligned! + if (!((stop -= step) >= start)) return; // inclusive stop + let sum = radius0 * S[start]; + const s0 = step * radius0; + const s1 = s0 + step; + for (let i = start, j = start + s0; i < j; i += step) { + sum += S[Math.min(stop, i)]; + } + for (let i = start, j = stop; i <= j; i += step) { + sum += S[Math.min(stop, i + s0)]; + T[i] = (sum + t * (S[Math.max(start, i - s1)] + S[Math.min(stop, i + s1)])) / w; + sum -= S[Math.max(start, i - s0)]; + } + }; +} + +// Like blurf, but optimized for integer radius. +function bluri(radius) { + const w = 2 * radius + 1; + return (T, S, start, stop, step) => { // stop must be aligned! + if (!((stop -= step) >= start)) return; // inclusive stop + let sum = radius * S[start]; + const s = step * radius; + for (let i = start, j = start + s; i < j; i += step) { + sum += S[Math.min(stop, i)]; + } + for (let i = start, j = stop; i <= j; i += step) { + sum += S[Math.min(stop, i + s)]; + T[i] = sum / w; + sum -= S[Math.max(start, i - s)]; + } + }; +} function count$1(values, valueof) { let count = 0; @@ -146,14 +276,6 @@ function cumsum(values, valueof) { : v => (sum += +valueof(v, index++, values) || 0)); } -function descending$2(a, b) { - return a == null || b == null ? NaN - : b < a ? -1 - : b > a ? 1 - : b >= a ? 0 - : NaN; -} - function variance(values, valueof) { let count = 0; let delta; @@ -337,7 +459,7 @@ function intern_set({_intern, _key}, value) { function intern_delete({_intern, _key}, value) { const key = _key(value); if (_intern.has(key)) { - value = _intern.get(value); + value = _intern.get(key); _intern.delete(key); } return value; @@ -421,28 +543,42 @@ function permute(source, keys) { function sort(values, ...F) { if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable"); values = Array.from(values); - let [f = ascending$3] = F; - if (f.length === 1 || F.length > 1) { + let [f] = F; + if ((f && f.length !== 2) || F.length > 1) { const index = Uint32Array.from(values, (d, i) => i); if (F.length > 1) { F = F.map(f => values.map(f)); index.sort((i, j) => { for (const f of F) { - const c = ascending$3(f[i], f[j]); + const c = ascendingDefined(f[i], f[j]); if (c) return c; } }); } else { f = values.map(f); - index.sort((i, j) => ascending$3(f[i], f[j])); + index.sort((i, j) => ascendingDefined(f[i], f[j])); } return permute(values, index); } - return values.sort(f); + return values.sort(compareDefined(f)); +} + +function compareDefined(compare = ascending$3) { + if (compare === ascending$3) return ascendingDefined; + if (typeof compare !== "function") throw new TypeError("compare is not a function"); + return (a, b) => { + const x = compare(a, b); + if (x || x === 0) return x; + return (compare(b, b) === 0) - (compare(a, a) === 0); + }; +} + +function ascendingDefined(a, b) { + return (a == null || !(a >= a)) - (b == null || !(b >= b)) || (a < b ? -1 : a > b ? 1 : 0); } function groupSort(values, reduce, key) { - return (reduce.length === 1 + return (reduce.length !== 2 ? sort(rollup(values, reduce, key), (([ak, av], [bk, bv]) => ascending$3(av, bv) || ascending$3(ak, bk))) : sort(group(values, key), (([ak, av], [bk, bv]) => reduce(av, bv) || ascending$3(ak, bk)))) .map(([key]) => key); @@ -453,64 +589,63 @@ var array$5 = Array.prototype; var slice$3 = array$5.slice; function constant$b(x) { - return function() { - return x; - }; + return () => x; } -var e10 = Math.sqrt(50), +const e10 = Math.sqrt(50), e5 = Math.sqrt(10), e2 = Math.sqrt(2); -function ticks(start, stop, count) { - var reverse, - i = -1, - n, - ticks, - step; +function tickSpec(start, stop, count) { + const step = (stop - start) / Math.max(0, count), + power = Math.floor(Math.log10(step)), + error = step / Math.pow(10, power), + factor = error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1; + let i1, i2, inc; + if (power < 0) { + inc = Math.pow(10, -power) / factor; + i1 = Math.round(start * inc); + i2 = Math.round(stop * inc); + if (i1 / inc < start) ++i1; + if (i2 / inc > stop) --i2; + inc = -inc; + } else { + inc = Math.pow(10, power) * factor; + i1 = Math.round(start / inc); + i2 = Math.round(stop / inc); + if (i1 * inc < start) ++i1; + if (i2 * inc > stop) --i2; + } + if (i2 < i1 && 0.5 <= count && count < 2) return tickSpec(start, stop, count * 2); + return [i1, i2, inc]; +} +function ticks(start, stop, count) { stop = +stop, start = +start, count = +count; - if (start === stop && count > 0) return [start]; - if (reverse = stop < start) n = start, start = stop, stop = n; - if ((step = tickIncrement(start, stop, count)) === 0 || !isFinite(step)) return []; - - if (step > 0) { - let r0 = Math.round(start / step), r1 = Math.round(stop / step); - if (r0 * step < start) ++r0; - if (r1 * step > stop) --r1; - ticks = new Array(n = r1 - r0 + 1); - while (++i < n) ticks[i] = (r0 + i) * step; + if (!(count > 0)) return []; + if (start === stop) return [start]; + const reverse = stop < start, [i1, i2, inc] = reverse ? tickSpec(stop, start, count) : tickSpec(start, stop, count); + if (!(i2 >= i1)) return []; + const n = i2 - i1 + 1, ticks = new Array(n); + if (reverse) { + if (inc < 0) for (let i = 0; i < n; ++i) ticks[i] = (i2 - i) / -inc; + else for (let i = 0; i < n; ++i) ticks[i] = (i2 - i) * inc; } else { - step = -step; - let r0 = Math.round(start * step), r1 = Math.round(stop * step); - if (r0 / step < start) ++r0; - if (r1 / step > stop) --r1; - ticks = new Array(n = r1 - r0 + 1); - while (++i < n) ticks[i] = (r0 + i) / step; + if (inc < 0) for (let i = 0; i < n; ++i) ticks[i] = (i1 + i) / -inc; + else for (let i = 0; i < n; ++i) ticks[i] = (i1 + i) * inc; } - - if (reverse) ticks.reverse(); - return ticks; } function tickIncrement(start, stop, count) { - var step = (stop - start) / Math.max(0, count), - power = Math.floor(Math.log(step) / Math.LN10), - error = step / Math.pow(10, power); - return power >= 0 - ? (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1) * Math.pow(10, power) - : -Math.pow(10, -power) / (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1); + stop = +stop, start = +start, count = +count; + return tickSpec(start, stop, count)[2]; } function tickStep(start, stop, count) { - var step0 = Math.abs(stop - start) / Math.max(0, count), - step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)), - error = step0 / step1; - if (error >= e10) step1 *= 10; - else if (error >= e5) step1 *= 5; - else if (error >= e2) step1 *= 2; - return stop < start ? -step1 : step1; + stop = +stop, start = +start, count = +count; + const reverse = stop < start, inc = reverse ? tickIncrement(stop, start, count) : tickIncrement(start, stop, count); + return (reverse ? -1 : 1) * (inc < 0 ? 1 / -inc : inc); } function nice$1(start, stop, count) { @@ -531,7 +666,7 @@ function nice$1(start, stop, count) { } function thresholdSturges(values) { - return Math.ceil(Math.log(count$1(values)) / Math.LN2) + 1; + return Math.max(1, Math.ceil(Math.log(count$1(values)) / Math.LN2) + 1); } function bin() { @@ -545,6 +680,7 @@ function bin() { var i, n = data.length, x, + step, values = new Array(n); for (i = 0; i < n; ++i) { @@ -563,6 +699,11 @@ function bin() { if (domain === extent$1) [x0, x1] = nice$1(x0, x1, tn); tz = ticks(x0, x1, tn); + // If the domain is aligned with the first tick (which it will by + // default), then we can use quantization rather than bisection to bin + // values, which is substantially faster. + if (tz[0] <= x0) step = tickIncrement(x0, x1, tn); + // If the last threshold is coincident with the domain’s upper bound, the // last bin will be zero-width. If the default domain is used, and this // last threshold is coincident with the maximum input value, we can @@ -587,9 +728,11 @@ function bin() { } // Remove any thresholds outside the domain. - var m = tz.length; - while (tz[0] <= x0) tz.shift(), --m; - while (tz[m - 1] > x1) tz.pop(), --m; + // Be careful not to mutate an array owned by the user! + var m = tz.length, a = 0, b = m; + while (tz[a] <= x0) ++a; + while (tz[b - 1] > x1) --b; + if (a || b < m) tz = tz.slice(a, b), m = b - a; var bins = new Array(m + 1), bin; @@ -602,10 +745,26 @@ function bin() { } // Assign data to bins by value, ignoring any outside the domain. - for (i = 0; i < n; ++i) { - x = values[i]; - if (x != null && x0 <= x && x <= x1) { - bins[bisectRight(tz, x, 0, m)].push(data[i]); + if (isFinite(step)) { + if (step > 0) { + for (i = 0; i < n; ++i) { + if ((x = values[i]) != null && x0 <= x && x <= x1) { + bins[Math.min(m, Math.floor((x - x0) / step))].push(data[i]); + } + } + } else if (step < 0) { + for (i = 0; i < n; ++i) { + if ((x = values[i]) != null && x0 <= x && x <= x1) { + const j = Math.floor((x0 - x) * step); + bins[Math.min(m, j + (tz[j] <= x))].push(data[i]); // handle off-by-one due to rounding + } + } + } + } else { + for (i = 0; i < n; ++i) { + if ((x = values[i]) != null && x0 <= x && x <= x1) { + bins[bisect(tz, x, 0, m)].push(data[i]); + } } } @@ -621,7 +780,7 @@ function bin() { }; histogram.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$b(slice$3.call(_)) : constant$b(_), histogram) : threshold; + return arguments.length ? (threshold = typeof _ === "function" ? _ : constant$b(Array.isArray(_) ? slice$3.call(_) : _), histogram) : threshold; }; return histogram; @@ -648,6 +807,29 @@ function max$3(values, valueof) { return max; } +function maxIndex(values, valueof) { + let max; + let maxIndex = -1; + let index = -1; + if (valueof === undefined) { + for (const value of values) { + ++index; + if (value != null + && (max < value || (max === undefined && value >= value))) { + max = value, maxIndex = index; + } + } + } else { + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null + && (max < value || (max === undefined && value >= value))) { + max = value, maxIndex = index; + } + } + } + return maxIndex; +} + function min$2(values, valueof) { let min; if (valueof === undefined) { @@ -669,9 +851,40 @@ function min$2(values, valueof) { return min; } +function minIndex(values, valueof) { + let min; + let minIndex = -1; + let index = -1; + if (valueof === undefined) { + for (const value of values) { + ++index; + if (value != null + && (min > value || (min === undefined && value >= value))) { + min = value, minIndex = index; + } + } + } else { + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null + && (min > value || (min === undefined && value >= value))) { + min = value, minIndex = index; + } + } + } + return minIndex; +} + // Based on https://github.com/mourner/quickselect // ISC license, Copyright 2018 Vladimir Agafonkin. -function quickselect(array, k, left = 0, right = array.length - 1, compare = ascending$3) { +function quickselect(array, k, left = 0, right = Infinity, compare) { + k = Math.floor(k); + left = Math.floor(Math.max(0, left)); + right = Math.floor(Math.min(array.length - 1, right)); + + if (!(left <= k && k <= right)) return array; + + compare = compare === undefined ? ascendingDefined : compareDefined(compare); + while (right > left) { if (right - left > 600) { const n = right - left + 1; @@ -703,6 +916,7 @@ function quickselect(array, k, left = 0, right = array.length - 1, compare = asc if (j <= k) left = j + 1; if (k <= j) right = j - 1; } + return array; } @@ -712,10 +926,38 @@ function swap$1(array, i, j) { array[j] = t; } +function greatest(values, compare = ascending$3) { + let max; + let defined = false; + if (compare.length === 1) { + let maxValue; + for (const element of values) { + const value = compare(element); + if (defined + ? ascending$3(value, maxValue) > 0 + : ascending$3(value, value) === 0) { + max = element; + maxValue = value; + defined = true; + } + } + } else { + for (const value of values) { + if (defined + ? compare(value, max) > 0 + : compare(value, value) === 0) { + max = value; + defined = true; + } + } + } + return max; +} + function quantile$1(values, p, valueof) { values = Float64Array.from(numbers(values, valueof)); - if (!(n = values.length)) return; - if ((p = +p) <= 0 || n < 2) return min$2(values); + if (!(n = values.length) || isNaN(p = +p)) return; + if (p <= 0 || n < 2) return min$2(values); if (p >= 1) return max$3(values); var n, i = (n - 1) * p, @@ -726,8 +968,8 @@ function quantile$1(values, p, valueof) { } function quantileSorted(values, p, valueof = number$3) { - if (!(n = values.length)) return; - if ((p = +p) <= 0 || n < 2) return +valueof(values[0], 0, values); + if (!(n = values.length) || isNaN(p = +p)) return; + if (p <= 0 || n < 2) return +valueof(values[0], 0, values); if (p >= 1) return +valueof(values[n - 1], n - 1, values); var n, i = (n - 1) * p, @@ -737,35 +979,28 @@ function quantileSorted(values, p, valueof = number$3) { return value0 + (value1 - value0) * (i - i0); } -function freedmanDiaconis(values, min, max) { - return Math.ceil((max - min) / (2 * (quantile$1(values, 0.75) - quantile$1(values, 0.25)) * Math.pow(count$1(values), -1 / 3))); +function quantileIndex(values, p, valueof = number$3) { + if (isNaN(p = +p)) return; + numbers = Float64Array.from(values, (_, i) => number$3(valueof(values[i], i, values))); + if (p <= 0) return minIndex(numbers); + if (p >= 1) return maxIndex(numbers); + var numbers, + index = Uint32Array.from(values, (_, i) => i), + j = numbers.length - 1, + i = Math.floor(j * p); + quickselect(index, i, 0, j, (i, j) => ascendingDefined(numbers[i], numbers[j])); + i = greatest(index.subarray(0, i + 1), (i) => numbers[i]); + return i >= 0 ? i : -1; } -function scott(values, min, max) { - return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(count$1(values), -1 / 3))); +function thresholdFreedmanDiaconis(values, min, max) { + const c = count$1(values), d = quantile$1(values, 0.75) - quantile$1(values, 0.25); + return c && d ? Math.ceil((max - min) / (2 * d * Math.pow(c, -1 / 3))) : 1; } -function maxIndex(values, valueof) { - let max; - let maxIndex = -1; - let index = -1; - if (valueof === undefined) { - for (const value of values) { - ++index; - if (value != null - && (max < value || (max === undefined && value >= value))) { - max = value, maxIndex = index; - } - } - } else { - for (let value of values) { - if ((value = valueof(value, ++index, values)) != null - && (max < value || (max === undefined && value >= value))) { - max = value, maxIndex = index; - } - } - } - return maxIndex; +function thresholdScott(values, min, max) { + const c = count$1(values), d = deviation(values); + return c && d ? Math.ceil((max - min) * Math.cbrt(c) / (3.49 * d)) : 1; } function mean(values, valueof) { @@ -792,6 +1027,10 @@ function median(values, valueof) { return quantile$1(values, 0.5, valueof); } +function medianIndex(values, valueof) { + return quantileIndex(values, 0.5, valueof); +} + function* flatten(arrays) { for (const array of arrays) { yield* array; @@ -802,29 +1041,6 @@ function merge(arrays) { return Array.from(flatten(arrays)); } -function minIndex(values, valueof) { - let min; - let minIndex = -1; - let index = -1; - if (valueof === undefined) { - for (const value of values) { - ++index; - if (value != null - && (min > value || (min === undefined && value >= value))) { - min = value, minIndex = index; - } - } - } else { - for (let value of values) { - if ((value = valueof(value, ++index, values)) != null - && (min > value || (min === undefined && value >= value))) { - min = value, minIndex = index; - } - } - } - return minIndex; -} - function mode(values, valueof) { const counts = new InternMap(); if (valueof === undefined) { @@ -868,7 +1084,7 @@ function pair(a, b) { return [a, b]; } -function sequence(start, stop, step) { +function range$2(start, stop, step) { start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; var i = -1, @@ -882,6 +1098,28 @@ function sequence(start, stop, step) { return range; } +function rank(values, valueof = ascending$3) { + if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable"); + let V = Array.from(values); + const R = new Float64Array(V.length); + if (valueof.length !== 2) V = V.map(valueof), valueof = ascending$3; + const compareIndex = (i, j) => valueof(V[i], V[j]); + let k, r; + values = Uint32Array.from(V, (_, i) => i); + // Risky chaining due to Safari 14 https://github.com/d3/d3-array/issues/123 + values.sort(valueof === ascending$3 ? (i, j) => ascendingDefined(V[i], V[j]) : compareDefined(compareIndex)); + values.forEach((j, i) => { + const c = compareIndex(j, k === undefined ? j : k); + if (c >= 0) { + if (k === undefined || c > 0) k = j, r = i; + R[j] = r; + } else { + R[j] = NaN; + } + }); + return R; +} + function least(values, compare = ascending$3) { let min; let defined = false; @@ -927,34 +1165,6 @@ function leastIndex(values, compare = ascending$3) { return min; } -function greatest(values, compare = ascending$3) { - let max; - let defined = false; - if (compare.length === 1) { - let maxValue; - for (const element of values) { - const value = compare(element); - if (defined - ? ascending$3(value, maxValue) > 0 - : ascending$3(value, value) === 0) { - max = element; - maxValue = value; - defined = true; - } - } - } else { - for (const value of values) { - if (defined - ? compare(value, max) > 0 - : compare(value, value) === 0) { - max = value; - defined = true; - } - } - } - return max; -} - function greatestIndex(values, compare = ascending$3) { if (compare.length === 1) return maxIndex(values, compare); let maxValue; @@ -1089,7 +1299,7 @@ function reverse$1(values) { } function difference(values, ...others) { - values = new Set(values); + values = new InternSet(values); for (const other of others) { for (const value of other) { values.delete(value); @@ -1099,7 +1309,7 @@ function difference(values, ...others) { } function disjoint(values, other) { - const iterator = other[Symbol.iterator](), set = new Set(); + const iterator = other[Symbol.iterator](), set = new InternSet(); for (const v of values) { if (set.has(v)) return false; let value, done; @@ -1112,12 +1322,8 @@ function disjoint(values, other) { return true; } -function set$2(values) { - return values instanceof Set ? values : new Set(values); -} - function intersection(values, ...others) { - values = new Set(values); + values = new InternSet(values); others = others.map(set$2); out: for (const value of values) { for (const other of others) { @@ -1130,26 +1336,36 @@ function intersection(values, ...others) { return values; } +function set$2(values) { + return values instanceof InternSet ? values : new InternSet(values); +} + function superset(values, other) { const iterator = values[Symbol.iterator](), set = new Set(); for (const o of other) { - if (set.has(o)) continue; + const io = intern(o); + if (set.has(io)) continue; let value, done; while (({value, done} = iterator.next())) { if (done) return false; - set.add(value); - if (Object.is(o, value)) break; + const ivalue = intern(value); + set.add(ivalue); + if (Object.is(io, ivalue)) break; } } return true; } +function intern(value) { + return value !== null && typeof value === "object" ? value.valueOf() : value; +} + function subset(values, other) { return superset(other, values); } function union(...others) { - const set = new Set(); + const set = new InternSet(); for (const other of others) { for (const o of other) { set.add(o); @@ -2690,15 +2906,15 @@ var darker = 0.7; var brighter = 1 / darker; var reI = "\\s*([+-]?\\d+)\\s*", - reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*", - reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*", + reN = "\\s*([+-]?(?:\\d*\\.)?\\d+(?:[eE][+-]?\\d+)?)\\s*", + reP = "\\s*([+-]?(?:\\d*\\.)?\\d+(?:[eE][+-]?\\d+)?)%\\s*", reHex = /^#([0-9a-f]{3,8})$/, - reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"), - reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"), - reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"), - reRgbaPercent = new RegExp("^rgba\\(" + [reP, reP, reP, reN] + "\\)$"), - reHslPercent = new RegExp("^hsl\\(" + [reN, reP, reP] + "\\)$"), - reHslaPercent = new RegExp("^hsla\\(" + [reN, reP, reP, reN] + "\\)$"); + reRgbInteger = new RegExp(`^rgb\\(${reI},${reI},${reI}\\)$`), + reRgbPercent = new RegExp(`^rgb\\(${reP},${reP},${reP}\\)$`), + reRgbaInteger = new RegExp(`^rgba\\(${reI},${reI},${reI},${reN}\\)$`), + reRgbaPercent = new RegExp(`^rgba\\(${reP},${reP},${reP},${reN}\\)$`), + reHslPercent = new RegExp(`^hsl\\(${reN},${reP},${reP}\\)$`), + reHslaPercent = new RegExp(`^hsla\\(${reN},${reP},${reP},${reN}\\)$`); var named = { aliceblue: 0xf0f8ff, @@ -2852,14 +3068,15 @@ var named = { }; define(Color, color, { - copy: function(channels) { + copy(channels) { return Object.assign(new this.constructor, this, channels); }, - displayable: function() { + displayable() { return this.rgb().displayable(); }, hex: color_formatHex, // Deprecated! Use color.formatHex. formatHex: color_formatHex, + formatHex8: color_formatHex8, formatHsl: color_formatHsl, formatRgb: color_formatRgb, toString: color_formatRgb @@ -2869,6 +3086,10 @@ function color_formatHex() { return this.rgb().formatHex(); } +function color_formatHex8() { + return this.rgb().formatHex8(); +} + function color_formatHsl() { return hslConvert(this).formatHsl(); } @@ -2924,18 +3145,21 @@ function Rgb(r, g, b, opacity) { } define(Rgb, rgb, extend(Color, { - brighter: function(k) { + brighter(k) { k = k == null ? brighter : Math.pow(brighter, k); return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); }, - darker: function(k) { + darker(k) { k = k == null ? darker : Math.pow(darker, k); return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); }, - rgb: function() { + rgb() { return this; }, - displayable: function() { + clamp() { + return new Rgb(clampi(this.r), clampi(this.g), clampi(this.b), clampa(this.opacity)); + }, + displayable() { return (-0.5 <= this.r && this.r < 255.5) && (-0.5 <= this.g && this.g < 255.5) && (-0.5 <= this.b && this.b < 255.5) @@ -2943,25 +3167,34 @@ define(Rgb, rgb, extend(Color, { }, hex: rgb_formatHex, // Deprecated! Use color.formatHex. formatHex: rgb_formatHex, + formatHex8: rgb_formatHex8, formatRgb: rgb_formatRgb, toString: rgb_formatRgb })); function rgb_formatHex() { - return "#" + hex(this.r) + hex(this.g) + hex(this.b); + return `#${hex(this.r)}${hex(this.g)}${hex(this.b)}`; +} + +function rgb_formatHex8() { + return `#${hex(this.r)}${hex(this.g)}${hex(this.b)}${hex((isNaN(this.opacity) ? 1 : this.opacity) * 255)}`; } function rgb_formatRgb() { - var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); - return (a === 1 ? "rgb(" : "rgba(") - + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.b) || 0)) - + (a === 1 ? ")" : ", " + a + ")"); + const a = clampa(this.opacity); + return `${a === 1 ? "rgb(" : "rgba("}${clampi(this.r)}, ${clampi(this.g)}, ${clampi(this.b)}${a === 1 ? ")" : `, ${a})`}`; +} + +function clampa(opacity) { + return isNaN(opacity) ? 1 : Math.max(0, Math.min(1, opacity)); +} + +function clampi(value) { + return Math.max(0, Math.min(255, Math.round(value) || 0)); } function hex(value) { - value = Math.max(0, Math.min(255, Math.round(value) || 0)); + value = clampi(value); return (value < 16 ? "0" : "") + value.toString(16); } @@ -3010,15 +3243,15 @@ function Hsl(h, s, l, opacity) { } define(Hsl, hsl$2, extend(Color, { - brighter: function(k) { + brighter(k) { k = k == null ? brighter : Math.pow(brighter, k); return new Hsl(this.h, this.s, this.l * k, this.opacity); }, - darker: function(k) { + darker(k) { k = k == null ? darker : Math.pow(darker, k); return new Hsl(this.h, this.s, this.l * k, this.opacity); }, - rgb: function() { + rgb() { var h = this.h % 360 + (this.h < 0) * 360, s = isNaN(h) || isNaN(this.s) ? 0 : this.s, l = this.l, @@ -3031,21 +3264,29 @@ define(Hsl, hsl$2, extend(Color, { this.opacity ); }, - displayable: function() { + clamp() { + return new Hsl(clamph(this.h), clampt(this.s), clampt(this.l), clampa(this.opacity)); + }, + displayable() { return (0 <= this.s && this.s <= 1 || isNaN(this.s)) && (0 <= this.l && this.l <= 1) && (0 <= this.opacity && this.opacity <= 1); }, - formatHsl: function() { - var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); - return (a === 1 ? "hsl(" : "hsla(") - + (this.h || 0) + ", " - + (this.s || 0) * 100 + "%, " - + (this.l || 0) * 100 + "%" - + (a === 1 ? ")" : ", " + a + ")"); + formatHsl() { + const a = clampa(this.opacity); + return `${a === 1 ? "hsl(" : "hsla("}${clamph(this.h)}, ${clampt(this.s) * 100}%, ${clampt(this.l) * 100}%${a === 1 ? ")" : `, ${a})`}`; } })); +function clamph(value) { + value = (value || 0) % 360; + return value < 0 ? value + 360 : value; +} + +function clampt(value) { + return Math.max(0, Math.min(1, value || 0)); +} + /* From FvD 13.37, CSS Color Module Level 3 */ function hsl2rgb(h, m1, m2) { return (h < 60 ? m1 + (m2 - m1) * h / 60 @@ -3098,13 +3339,13 @@ function Lab(l, a, b, opacity) { } define(Lab, lab$1, extend(Color, { - brighter: function(k) { + brighter(k) { return new Lab(this.l + K * (k == null ? 1 : k), this.a, this.b, this.opacity); }, - darker: function(k) { + darker(k) { return new Lab(this.l - K * (k == null ? 1 : k), this.a, this.b, this.opacity); }, - rgb: function() { + rgb() { var y = (this.l + 16) / 116, x = isNaN(this.a) ? y : y + this.a / 500, z = isNaN(this.b) ? y : y - this.b / 200; @@ -3166,13 +3407,13 @@ function hcl2lab(o) { } define(Hcl, hcl$2, extend(Color, { - brighter: function(k) { + brighter(k) { return new Hcl(this.h, this.c, this.l + K * (k == null ? 1 : k), this.opacity); }, - darker: function(k) { + darker(k) { return new Hcl(this.h, this.c, this.l - K * (k == null ? 1 : k), this.opacity); }, - rgb: function() { + rgb() { return hcl2lab(this).rgb(); } })); @@ -3212,15 +3453,15 @@ function Cubehelix(h, s, l, opacity) { } define(Cubehelix, cubehelix$3, extend(Color, { - brighter: function(k) { + brighter(k) { k = k == null ? brighter : Math.pow(brighter, k); return new Cubehelix(this.h, this.s, this.l * k, this.opacity); }, - darker: function(k) { + darker(k) { k = k == null ? darker : Math.pow(darker, k); return new Cubehelix(this.h, this.s, this.l * k, this.opacity); }, - rgb: function() { + rgb() { var h = isNaN(this.h) ? 0 : (this.h + 120) * radians$1, l = +this.l, a = isNaN(this.s) ? 0 : this.s * l * (1 - l), @@ -5800,39 +6041,58 @@ const pi$2 = Math.PI, epsilon$4 = 1e-6, tauEpsilon = tau$3 - epsilon$4; -function Path$1() { - this._x0 = this._y0 = // start of current subpath - this._x1 = this._y1 = null; // end of current subpath - this._ = ""; +function append$1(strings) { + this._ += strings[0]; + for (let i = 1, n = strings.length; i < n; ++i) { + this._ += arguments[i] + strings[i]; + } } -function path() { - return new Path$1; +function appendRound$1(digits) { + let d = Math.floor(digits); + if (!(d >= 0)) throw new Error(`invalid digits: ${digits}`); + if (d > 15) return append$1; + const k = 10 ** d; + return function(strings) { + this._ += strings[0]; + for (let i = 1, n = strings.length; i < n; ++i) { + this._ += Math.round(arguments[i] * k) / k + strings[i]; + } + }; } -Path$1.prototype = path.prototype = { - constructor: Path$1, - moveTo: function(x, y) { - this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y); - }, - closePath: function() { +let Path$1 = class Path { + constructor(digits) { + this._x0 = this._y0 = // start of current subpath + this._x1 = this._y1 = null; // end of current subpath + this._ = ""; + this._append = digits == null ? append$1 : appendRound$1(digits); + } + moveTo(x, y) { + this._append`M${this._x0 = this._x1 = +x},${this._y0 = this._y1 = +y}`; + } + closePath() { if (this._x1 !== null) { this._x1 = this._x0, this._y1 = this._y0; - this._ += "Z"; + this._append`Z`; } - }, - lineTo: function(x, y) { - this._ += "L" + (this._x1 = +x) + "," + (this._y1 = +y); - }, - quadraticCurveTo: function(x1, y1, x, y) { - this._ += "Q" + (+x1) + "," + (+y1) + "," + (this._x1 = +x) + "," + (this._y1 = +y); - }, - bezierCurveTo: function(x1, y1, x2, y2, x, y) { - this._ += "C" + (+x1) + "," + (+y1) + "," + (+x2) + "," + (+y2) + "," + (this._x1 = +x) + "," + (this._y1 = +y); - }, - arcTo: function(x1, y1, x2, y2, r) { + } + lineTo(x, y) { + this._append`L${this._x1 = +x},${this._y1 = +y}`; + } + quadraticCurveTo(x1, y1, x, y) { + this._append`Q${+x1},${+y1},${this._x1 = +x},${this._y1 = +y}`; + } + bezierCurveTo(x1, y1, x2, y2, x, y) { + this._append`C${+x1},${+y1},${+x2},${+y2},${this._x1 = +x},${this._y1 = +y}`; + } + arcTo(x1, y1, x2, y2, r) { x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r; - var x0 = this._x1, + + // Is the radius negative? Error. + if (r < 0) throw new Error(`negative radius: ${r}`); + + let x0 = this._x1, y0 = this._y1, x21 = x2 - x1, y21 = y2 - y1, @@ -5840,12 +6100,9 @@ Path$1.prototype = path.prototype = { y01 = y0 - y1, l01_2 = x01 * x01 + y01 * y01; - // Is the radius negative? Error. - if (r < 0) throw new Error("negative radius: " + r); - // Is this path empty? Move to (x1,y1). if (this._x1 === null) { - this._ += "M" + (this._x1 = x1) + "," + (this._y1 = y1); + this._append`M${this._x1 = x1},${this._y1 = y1}`; } // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. @@ -5855,12 +6112,12 @@ Path$1.prototype = path.prototype = { // Equivalently, is (x1,y1) coincident with (x2,y2)? // Or, is the radius zero? Line to (x1,y1). else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon$4) || !r) { - this._ += "L" + (this._x1 = x1) + "," + (this._y1 = y1); + this._append`L${this._x1 = x1},${this._y1 = y1}`; } // Otherwise, draw an arc! else { - var x20 = x2 - x0, + let x20 = x2 - x0, y20 = y2 - y0, l21_2 = x21 * x21 + y21 * y21, l20_2 = x20 * x20 + y20 * y20, @@ -5872,32 +6129,33 @@ Path$1.prototype = path.prototype = { // If the start tangent is not coincident with (x0,y0), line to. if (Math.abs(t01 - 1) > epsilon$4) { - this._ += "L" + (x1 + t01 * x01) + "," + (y1 + t01 * y01); + this._append`L${x1 + t01 * x01},${y1 + t01 * y01}`; } - this._ += "A" + r + "," + r + ",0,0," + (+(y01 * x20 > x01 * y20)) + "," + (this._x1 = x1 + t21 * x21) + "," + (this._y1 = y1 + t21 * y21); + this._append`A${r},${r},0,0,${+(y01 * x20 > x01 * y20)},${this._x1 = x1 + t21 * x21},${this._y1 = y1 + t21 * y21}`; } - }, - arc: function(x, y, r, a0, a1, ccw) { + } + arc(x, y, r, a0, a1, ccw) { x = +x, y = +y, r = +r, ccw = !!ccw; - var dx = r * Math.cos(a0), + + // Is the radius negative? Error. + if (r < 0) throw new Error(`negative radius: ${r}`); + + let dx = r * Math.cos(a0), dy = r * Math.sin(a0), x0 = x + dx, y0 = y + dy, cw = 1 ^ ccw, da = ccw ? a0 - a1 : a1 - a0; - // Is the radius negative? Error. - if (r < 0) throw new Error("negative radius: " + r); - // Is this path empty? Move to (x0,y0). if (this._x1 === null) { - this._ += "M" + x0 + "," + y0; + this._append`M${x0},${y0}`; } // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). else if (Math.abs(this._x1 - x0) > epsilon$4 || Math.abs(this._y1 - y0) > epsilon$4) { - this._ += "L" + x0 + "," + y0; + this._append`L${x0},${y0}`; } // Is this arc empty? We’re done. @@ -5908,22 +6166,33 @@ Path$1.prototype = path.prototype = { // Is this a complete circle? Draw two arcs to complete the circle. if (da > tauEpsilon) { - this._ += "A" + r + "," + r + ",0,1," + cw + "," + (x - dx) + "," + (y - dy) + "A" + r + "," + r + ",0,1," + cw + "," + (this._x1 = x0) + "," + (this._y1 = y0); + this._append`A${r},${r},0,1,${cw},${x - dx},${y - dy}A${r},${r},0,1,${cw},${this._x1 = x0},${this._y1 = y0}`; } // Is this arc non-empty? Draw an arc! else if (da > epsilon$4) { - this._ += "A" + r + "," + r + ",0," + (+(da >= pi$2)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1)); + this._append`A${r},${r},0,${+(da >= pi$2)},${cw},${this._x1 = x + r * Math.cos(a1)},${this._y1 = y + r * Math.sin(a1)}`; } - }, - rect: function(x, y, w, h) { - this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y) + "h" + (+w) + "v" + (+h) + "h" + (-w) + "Z"; - }, - toString: function() { + } + rect(x, y, w, h) { + this._append`M${this._x0 = this._x1 = +x},${this._y0 = this._y1 = +y}h${w = +w}v${+h}h${-w}Z`; + } + toString() { return this._; } }; +function path() { + return new Path$1; +} + +// Allow instanceof d3.path +path.prototype = Path$1.prototype; + +function pathRound(digits = 3) { + return new Path$1(+digits); +} + var slice$2 = Array.prototype.slice; function constant$6(x) { @@ -6127,7 +6396,7 @@ var cases = [ [] ]; -function contours() { +function Contours() { var dx = 1, dy = 1, threshold = thresholdSturges, @@ -6138,8 +6407,10 @@ function contours() { // Convert number of thresholds into uniform thresholds. if (!Array.isArray(tz)) { - const e = extent$1(values), ts = tickStep(e[0], e[1], tz); - tz = ticks(Math.floor(e[0] / ts) * ts, Math.floor(e[1] / ts - 1) * ts, tz); + const e = extent$1(values, finite); + tz = ticks(...nice$1(e[0], e[1], tz), tz); + while (tz[tz.length - 1] >= e[1]) tz.pop(); + while (tz[1] < e[0]) tz.shift(); } else { tz = tz.slice().sort(ascending$1); } @@ -6150,11 +6421,14 @@ function contours() { // Accumulate, smooth contour rings, assign holes to exterior rings. // Based on https://github.com/mbostock/shapefile/blob/v0.6.2/shp/polygon.js function contour(values, value) { + const v = value == null ? NaN : +value; + if (isNaN(v)) throw new Error(`invalid value: ${value}`); + var polygons = [], holes = []; - isorings(values, value, function(ring) { - smooth(ring, values, value); + isorings(values, v, function(ring) { + smooth(ring, values, v); if (area$3(ring) > 0) polygons.push([ring]); else holes.push(ring); }); @@ -6184,10 +6458,10 @@ function contours() { // Special case for the first row (y = -1, t2 = t3 = 0). x = y = -1; - t1 = values[0] >= value; + t1 = above(values[0], value); cases[t1 << 1].forEach(stitch); while (++x < dx - 1) { - t0 = t1, t1 = values[x + 1] >= value; + t0 = t1, t1 = above(values[x + 1], value); cases[t0 | t1 << 1].forEach(stitch); } cases[t1 << 0].forEach(stitch); @@ -6195,12 +6469,12 @@ function contours() { // General case for the intermediate rows. while (++y < dy - 1) { x = -1; - t1 = values[y * dx + dx] >= value; - t2 = values[y * dx] >= value; + t1 = above(values[y * dx + dx], value); + t2 = above(values[y * dx], value); cases[t1 << 1 | t2 << 2].forEach(stitch); while (++x < dx - 1) { - t0 = t1, t1 = values[y * dx + dx + x + 1] >= value; - t3 = t2, t2 = values[y * dx + x + 1] >= value; + t0 = t1, t1 = above(values[y * dx + dx + x + 1], value); + t3 = t2, t2 = above(values[y * dx + x + 1], value); cases[t0 | t1 << 1 | t2 << 2 | t3 << 3].forEach(stitch); } cases[t1 | t2 << 3].forEach(stitch); @@ -6211,7 +6485,7 @@ function contours() { t2 = values[y * dx] >= value; cases[t2 << 2].forEach(stitch); while (++x < dx - 1) { - t3 = t2, t2 = values[y * dx + x + 1] >= value; + t3 = t2, t2 = above(values[y * dx + x + 1], value); cases[t2 << 2 | t3 << 3].forEach(stitch); } cases[t2 << 3].forEach(stitch); @@ -6268,15 +6542,12 @@ function contours() { y = point[1], xt = x | 0, yt = y | 0, - v0, - v1 = values[yt * dx + xt]; + v1 = valid(values[yt * dx + xt]); if (x > 0 && x < dx && xt === x) { - v0 = values[yt * dx + xt - 1]; - point[0] = x + (value - v0) / (v1 - v0) - 0.5; + point[0] = smooth1(x, valid(values[yt * dx + xt - 1]), v1, value); } if (y > 0 && y < dy && yt === y) { - v0 = values[(yt - 1) * dx + xt]; - point[1] = y + (value - v0) / (v1 - v0) - 0.5; + point[1] = smooth1(y, valid(values[(yt - 1) * dx + xt]), v1, value); } }); } @@ -6301,48 +6572,27 @@ function contours() { return contours; } -// TODO Optimize edge cases. -// TODO Optimize index calculation. -// TODO Optimize arguments. -function blurX(source, target, r) { - var n = source.width, - m = source.height, - w = (r << 1) + 1; - for (var j = 0; j < m; ++j) { - for (var i = 0, sr = 0; i < n + r; ++i) { - if (i < n) { - sr += source.data[i + j * n]; - } - if (i >= r) { - if (i >= w) { - sr -= source.data[i - w + j * n]; - } - target.data[i - r + j * n] = sr / Math.min(i + 1, n - 1 + w - i, w); - } - } - } +// When computing the extent, ignore infinite values (as well as invalid ones). +function finite(x) { + return isFinite(x) ? x : NaN; } -// TODO Optimize edge cases. -// TODO Optimize index calculation. -// TODO Optimize arguments. -function blurY(source, target, r) { - var n = source.width, - m = source.height, - w = (r << 1) + 1; - for (var i = 0; i < n; ++i) { - for (var j = 0, sr = 0; j < m + r; ++j) { - if (j < m) { - sr += source.data[i + j * n]; - } - if (j >= r) { - if (j >= w) { - sr -= source.data[i + (j - w) * n]; - } - target.data[i + (j - r) * n] = sr / Math.min(j + 1, m - 1 + w - j, w); - } - } - } +// Is the (possibly invalid) x greater than or equal to the (known valid) value? +// Treat any invalid value as below negative infinity. +function above(x, value) { + return x == null ? false : +x >= value; +} + +// During smoothing, treat any invalid value as negative infinity. +function valid(v) { + return v == null || isNaN(v = +v) ? -Infinity : v; +} + +function smooth1(x, v0, v1, value) { + const a = value - v0; + const b = v1 - v0; + const d = isFinite(a) || isFinite(b) ? a / b : Math.sign(a) / Math.sign(b); + return isNaN(d) ? x : x + d - 0.5; } function defaultX$1(d) { @@ -6370,54 +6620,63 @@ function density() { m = (dy + o * 2) >> k, // grid height threshold = constant$5(20); - function density(data) { - var values0 = new Float32Array(n * m), - values1 = new Float32Array(n * m), - pow2k = Math.pow(2, -k); + function grid(data) { + var values = new Float32Array(n * m), + pow2k = Math.pow(2, -k), + i = -1; - data.forEach(function(d, i, data) { - var xi = (x(d, i, data) + o) * pow2k, + for (const d of data) { + var xi = (x(d, ++i, data) + o) * pow2k, yi = (y(d, i, data) + o) * pow2k, wi = +weight(d, i, data); - if (xi >= 0 && xi < n && yi >= 0 && yi < m) { + if (wi && xi >= 0 && xi < n && yi >= 0 && yi < m) { var x0 = Math.floor(xi), y0 = Math.floor(yi), xt = xi - x0 - 0.5, yt = yi - y0 - 0.5; - values0[x0 + y0 * n] += (1 - xt) * (1 - yt) * wi; - values0[x0 + 1 + y0 * n] += xt * (1 - yt) * wi; - values0[x0 + 1 + (y0 + 1) * n] += xt * yt * wi; - values0[x0 + (y0 + 1) * n] += (1 - xt) * yt * wi; + values[x0 + y0 * n] += (1 - xt) * (1 - yt) * wi; + values[x0 + 1 + y0 * n] += xt * (1 - yt) * wi; + values[x0 + 1 + (y0 + 1) * n] += xt * yt * wi; + values[x0 + (y0 + 1) * n] += (1 - xt) * yt * wi; } - }); + } - // TODO Optimize. - blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); - blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); - blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); - blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); - blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); - blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); + blur2({data: values, width: n, height: m}, r * pow2k); + return values; + } - var tz = threshold(values0); + function density(data) { + var values = grid(data), + tz = threshold(values), + pow4k = Math.pow(2, 2 * k); // Convert number of thresholds into uniform thresholds. if (!Array.isArray(tz)) { - var stop = max$3(values0); - tz = tickStep(0, stop, tz); - tz = sequence(0, Math.floor(stop / tz) * tz, tz); - tz.shift(); + tz = ticks(Number.MIN_VALUE, max$3(values) / pow4k, tz); } - return contours() - .thresholds(tz) + return Contours() .size([n, m]) - (values0) - .map(transform); + .thresholds(tz.map(d => d * pow4k)) + (values) + .map((c, i) => (c.value = +tz[i], transform(c))); } + density.contours = function(data) { + var values = grid(data), + contours = Contours().size([n, m]), + pow4k = Math.pow(2, 2 * k), + contour = value => { + value = +value; + var c = transform(contours.contour(values, value * pow4k)); + c.value = value; // preserve exact threshold value + return c; + }; + Object.defineProperty(contour, "max", {get: () => max$3(values) / pow4k}); + return contour; + }; + function transform(geometry) { - geometry.value *= Math.pow(2, -2 * k); // Density in points per square pixel. geometry.coordinates.forEach(transformPolygon); return geometry; } @@ -6475,7 +6734,7 @@ function density() { density.bandwidth = function(_) { if (!arguments.length) return Math.sqrt(r * (r + 1)); if (!((_ = +_) >= 0)) throw new Error("invalid bandwidth"); - return r = Math.round((Math.sqrt(4 * _ * _ + 1) - 1) / 2), resize(); + return r = (Math.sqrt(4 * _ * _ + 1) - 1) / 2, resize(); }; return density; @@ -6741,8 +7000,6 @@ function orient2d(ax, ay, bx, by, cx, cy) { const detright = (ax - cx) * (by - cy); const det = detleft - detright; - if (detleft === 0 || detright === 0 || (detleft > 0) !== (detright > 0)) return det; - const detsum = Math.abs(detleft + detright); if (Math.abs(det) >= ccwerrboundA * detsum) return det; @@ -7302,6 +7559,7 @@ class Voronoi { } _init() { const {delaunay: {points, hull, triangles}, vectors} = this; + let bx, by; // lazily computed barycenter of the hull // Compute circumcenters. const circumcenters = this.circumcenters = this._circumcenters.subarray(0, triangles.length / 3 * 2); @@ -7323,17 +7581,15 @@ class Voronoi { const ab = (dx * ey - dy * ex) * 2; if (Math.abs(ab) < 1e-9) { - // degenerate case (collinear diagram) - // almost equal points (degenerate triangle) - // the circumcenter is at the infinity, in a - // direction that is: - // 1. orthogonal to the halfedge. - let a = 1e9; - // 2. points away from the center; since the list of triangles starts - // in the center, the first point of the first triangle - // will be our reference - const r = triangles[0] * 2; - a *= Math.sign((points[r] - x1) * ey - (points[r + 1] - y1) * ex); + // For a degenerate triangle, the circumcenter is at the infinity, in a + // direction orthogonal to the halfedge and away from the “center” of + // the diagram , defined as the hull’s barycenter. + if (bx === undefined) { + bx = by = 0; + for (const i of hull) bx += points[i * 2], by += points[i * 2 + 1]; + bx /= hull.length, by /= hull.length; + } + const a = 1e9 * Math.sign((bx - x1) * ey - (by - y1) * ex); x = (x1 + x3) / 2 - a * ey; y = (y1 + y3) / 2 + a * ex; } else { @@ -7442,11 +7698,10 @@ class Voronoi { // find the common edge if (cj) loop: for (let ai = 0, li = ci.length; ai < li; ai += 2) { for (let aj = 0, lj = cj.length; aj < lj; aj += 2) { - if (ci[ai] == cj[aj] - && ci[ai + 1] == cj[aj + 1] - && ci[(ai + 2) % li] == cj[(aj + lj - 2) % lj] - && ci[(ai + 3) % li] == cj[(aj + lj - 1) % lj] - ) { + if (ci[ai] === cj[aj] + && ci[ai + 1] === cj[aj + 1] + && ci[(ai + 2) % li] === cj[(aj + lj - 2) % lj] + && ci[(ai + 3) % li] === cj[(aj + lj - 1) % lj]) { yield j; break loop; } @@ -7478,9 +7733,9 @@ class Voronoi { if (points === null) return null; const {vectors: V} = this; const v = i * 4; - return V[v] || V[v + 1] + return this._simplify(V[v] || V[v + 1] ? this._clipInfinite(i, points, V[v], V[v + 1], V[v + 2], V[v + 3]) - : this._clipFinite(i, points); + : this._clipFinite(i, points)); } _clipFinite(i, points) { const n = points.length; @@ -7523,8 +7778,11 @@ class Voronoi { return P; } _clipSegment(x0, y0, x1, y1, c0, c1) { + // for more robustness, always consider the segment in the same order + const flip = c0 < c1; + if (flip) [x0, y0, x1, y1, c0, c1] = [x1, y1, x0, y0, c1, c0]; while (true) { - if (c0 === 0 && c1 === 0) return [x0, y0, x1, y1]; + if (c0 === 0 && c1 === 0) return flip ? [x1, y1, x0, y0] : [x0, y0, x1, y1]; if (c0 & c1) return null; let x, y, c = c0 || c1; if (c & 0b1000) x = x0 + (x1 - x0) * (this.ymax - y0) / (y1 - y0), y = this.ymax; @@ -7568,14 +7826,6 @@ class Voronoi { P.splice(j, 0, x, y), j += 2; } } - if (P.length > 4) { - for (let i = 0; i < P.length; i+= 2) { - const j = (i + 2) % P.length, k = (i + 4) % P.length; - if (P[i] === P[j] && P[j] === P[k] - || P[i + 1] === P[j + 1] && P[j + 1] === P[k + 1]) - P.splice(j, 2), i -= 2; - } - } return j; } _project(x0, y0, vx, vy) { @@ -7608,6 +7858,18 @@ class Voronoi { | (y < this.ymin ? 0b0100 : y > this.ymax ? 0b1000 : 0b0000); } + _simplify(P) { + if (P && P.length > 4) { + for (let i = 0; i < P.length; i+= 2) { + const j = (i + 2) % P.length, k = (i + 4) % P.length; + if (P[i] === P[j] && P[j] === P[k] || P[i + 1] === P[j + 1] && P[j + 1] === P[k + 1]) { + P.splice(j, 2), i -= 2; + } + } + if (!P.length) P = null; + } + return P; + } } const tau$2 = 2 * Math.PI, pow$2 = Math.pow; @@ -8809,13 +9071,13 @@ function link$2(links) { } // https://en.wikipedia.org/wiki/Linear_congruential_generator#Parameters_in_common_use -const a$1 = 1664525; -const c$3 = 1013904223; -const m = 4294967296; // 2^32 +const a$2 = 1664525; +const c$4 = 1013904223; +const m$1 = 4294967296; // 2^32 -function lcg$1() { +function lcg$2() { let s = 1; - return () => (s = (a$1 * s + c$3) % m) / m; + return () => (s = (a$2 * s + c$4) % m$1) / m$1; } function x$2(d) { @@ -8839,7 +9101,7 @@ function simulation(nodes) { forces = new Map(), stepper = timer(step), event = dispatch("tick", "end"), - random = lcg$1(); + random = lcg$2(); if (nodes == null) nodes = []; @@ -9377,7 +9639,7 @@ function identity$6(x) { } var map = Array.prototype.map, - prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; + prefixes = ["y","z","a","f","p","n","µ","m","","k","M","G","T","P","E","Z","Y"]; function formatLocale$1(locale) { var group = locale.grouping === undefined || locale.thousands === undefined ? identity$6 : formatGroup(map.call(locale.grouping, Number), locale.thousands + ""), @@ -9386,7 +9648,7 @@ function formatLocale$1(locale) { decimal = locale.decimal === undefined ? "." : locale.decimal + "", numerals = locale.numerals === undefined ? identity$6 : formatNumerals(map.call(locale.numerals, String)), percent = locale.percent === undefined ? "%" : locale.percent + "", - minus = locale.minus === undefined ? "\u2212" : locale.minus + "", + minus = locale.minus === undefined ? "−" : locale.minus + "", nan = locale.nan === undefined ? "NaN" : locale.nan + ""; function newFormat(specifier) { @@ -9766,22 +10028,22 @@ var lambda0$1, phi0, lambda1, phi1, // bounds ranges, range; -var boundsStream$1 = { +var boundsStream$2 = { point: boundsPoint$1, lineStart: boundsLineStart, lineEnd: boundsLineEnd, polygonStart: function() { - boundsStream$1.point = boundsRingPoint; - boundsStream$1.lineStart = boundsRingStart; - boundsStream$1.lineEnd = boundsRingEnd; + boundsStream$2.point = boundsRingPoint; + boundsStream$2.lineStart = boundsRingStart; + boundsStream$2.lineEnd = boundsRingEnd; deltaSum = new Adder(); areaStream$1.polygonStart(); }, polygonEnd: function() { areaStream$1.polygonEnd(); - boundsStream$1.point = boundsPoint$1; - boundsStream$1.lineStart = boundsLineStart; - boundsStream$1.lineEnd = boundsLineEnd; + boundsStream$2.point = boundsPoint$1; + boundsStream$2.lineStart = boundsLineStart; + boundsStream$2.lineEnd = boundsLineEnd; if (areaRingSum$1 < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); else if (deltaSum > epsilon$1) phi1 = 90; else if (deltaSum < -epsilon$1) phi0 = -90; @@ -9848,12 +10110,12 @@ function linePoint(lambda, phi) { } function boundsLineStart() { - boundsStream$1.point = linePoint; + boundsStream$2.point = linePoint; } function boundsLineEnd() { range[0] = lambda0$1, range[1] = lambda1; - boundsStream$1.point = boundsPoint$1; + boundsStream$2.point = boundsPoint$1; p0 = null; } @@ -9900,7 +10162,7 @@ function bounds(feature) { phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); ranges = []; - geoStream(feature, boundsStream$1); + geoStream(feature, boundsStream$2); // First, sort ranges by their minimum longitudes. if (n = ranges.length) { @@ -10091,7 +10353,8 @@ function compose(a, b) { } function rotationIdentity(lambda, phi) { - return [abs$1(lambda) > pi$1 ? lambda + Math.round(-lambda / tau$1) * tau$1 : lambda, phi]; + if (abs$1(lambda) > pi$1) lambda -= Math.round(lambda / tau$1) * tau$1; + return [lambda, phi]; } rotationIdentity.invert = rotationIdentity; @@ -10105,7 +10368,9 @@ function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { function forwardRotationLambda(deltaLambda) { return function(lambda, phi) { - return lambda += deltaLambda, [lambda > pi$1 ? lambda - tau$1 : lambda < -pi$1 ? lambda + tau$1 : lambda, phi]; + lambda += deltaLambda; + if (abs$1(lambda) > pi$1) lambda -= Math.round(lambda / tau$1) * tau$1; + return [lambda, phi]; }; } @@ -10192,7 +10457,7 @@ function circleRadius(cosRadius, point) { return ((-point[2] < 0 ? -radius : radius) + tau$1 - epsilon$1) % tau$1; } -function circle$2() { +function circle$1() { var center = constant$3([0, 0]), radius = constant$3(90), precision = constant$3(6), @@ -11214,12 +11479,12 @@ function contains$1(object, point) { } function graticuleX(y0, y1, dy) { - var y = sequence(y0, y1 - epsilon$1, dy).concat(y1); + var y = range$2(y0, y1 - epsilon$1, dy).concat(y1); return function(x) { return y.map(function(y) { return [x, y]; }); }; } function graticuleY(x0, x1, dx) { - var x = sequence(x0, x1 - epsilon$1, dx).concat(x1); + var x = range$2(x0, x1 - epsilon$1, dx).concat(x1); return function(y) { return x.map(function(x) { return [x, y]; }); }; } @@ -11235,10 +11500,10 @@ function graticule() { } function lines() { - return sequence(ceil(X0 / DX) * DX, X1, DX).map(X) - .concat(sequence(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) - .concat(sequence(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs$1(x % DX) > epsilon$1; }).map(x)) - .concat(sequence(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs$1(y % DY) > epsilon$1; }).map(y)); + return range$2(ceil(X0 / DX) * DX, X1, DX).map(X) + .concat(range$2(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) + .concat(range$2(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs$1(x % DX) > epsilon$1; }).map(x)) + .concat(range$2(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs$1(y % DY) > epsilon$1; }).map(y)); } graticule.lines = function() { @@ -11398,6 +11663,8 @@ function areaRingEnd() { areaPoint(x00$2, y00$2); } +var pathArea = areaStream; + var x0$2 = Infinity, y0$2 = x0$2, x1 = -x0$2, @@ -11423,6 +11690,8 @@ function boundsPoint(x, y) { if (y > y1) y1 = y; } +var boundsStream$1 = boundsStream; + // TODO Enforce positive area for exterior, negative area for interior? var X0 = 0, @@ -11520,6 +11789,8 @@ function centroidPointRing(x, y) { centroidPoint(x0$1 = x, y0$1 = y); } +var pathCentroid = centroidStream; + function PathContext(context) { this._context = context; } @@ -11603,68 +11874,98 @@ function lengthPoint(x, y) { x0 = x, y0 = y; } -function PathString() { - this._string = []; -} +var pathMeasure = lengthStream; -PathString.prototype = { - _radius: 4.5, - _circle: circle$1(4.5), - pointRadius: function(_) { - if ((_ = +_) !== this._radius) this._radius = _, this._circle = null; +// Simple caching for constant-radius points. +let cacheDigits, cacheAppend, cacheRadius, cacheCircle; + +class PathString { + constructor(digits) { + this._append = digits == null ? append : appendRound(digits); + this._radius = 4.5; + this._ = ""; + } + pointRadius(_) { + this._radius = +_; return this; - }, - polygonStart: function() { + } + polygonStart() { this._line = 0; - }, - polygonEnd: function() { + } + polygonEnd() { this._line = NaN; - }, - lineStart: function() { + } + lineStart() { this._point = 0; - }, - lineEnd: function() { - if (this._line === 0) this._string.push("Z"); + } + lineEnd() { + if (this._line === 0) this._ += "Z"; this._point = NaN; - }, - point: function(x, y) { + } + point(x, y) { switch (this._point) { case 0: { - this._string.push("M", x, ",", y); + this._append`M${x},${y}`; this._point = 1; break; } case 1: { - this._string.push("L", x, ",", y); + this._append`L${x},${y}`; break; } default: { - if (this._circle == null) this._circle = circle$1(this._radius); - this._string.push("M", x, ",", y, this._circle); + this._append`M${x},${y}`; + if (this._radius !== cacheRadius || this._append !== cacheAppend) { + const r = this._radius; + const s = this._; + this._ = ""; // stash the old string so we can cache the circle path fragment + this._append`m0,${r}a${r},${r} 0 1,1 0,${-2 * r}a${r},${r} 0 1,1 0,${2 * r}z`; + cacheRadius = r; + cacheAppend = this._append; + cacheCircle = this._; + this._ = s; + } + this._ += cacheCircle; break; } } - }, - result: function() { - if (this._string.length) { - var result = this._string.join(""); - this._string = []; - return result; - } else { - return null; - } } -}; + result() { + const result = this._; + this._ = ""; + return result.length ? result : null; + } +} -function circle$1(radius) { - return "m0," + radius - + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius - + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius - + "z"; +function append(strings) { + let i = 1; + this._ += strings[0]; + for (const j = strings.length; i < j; ++i) { + this._ += arguments[i] + strings[i]; + } +} + +function appendRound(digits) { + const d = Math.floor(digits); + if (!(d >= 0)) throw new RangeError(`invalid digits: ${digits}`); + if (d > 15) return append; + if (d !== cacheDigits) { + const k = 10 ** d; + cacheDigits = d; + cacheAppend = function append(strings) { + let i = 1; + this._ += strings[0]; + for (const j = strings.length; i < j; ++i) { + this._ += Math.round(arguments[i] * k) / k + strings[i]; + } + }; + } + return cacheAppend; } function index$2(projection, context) { - var pointRadius = 4.5, + let digits = 3, + pointRadius = 4.5, projectionStream, contextStream; @@ -11677,32 +11978,34 @@ function index$2(projection, context) { } path.area = function(object) { - geoStream(object, projectionStream(areaStream)); - return areaStream.result(); + geoStream(object, projectionStream(pathArea)); + return pathArea.result(); }; path.measure = function(object) { - geoStream(object, projectionStream(lengthStream)); - return lengthStream.result(); + geoStream(object, projectionStream(pathMeasure)); + return pathMeasure.result(); }; path.bounds = function(object) { - geoStream(object, projectionStream(boundsStream)); - return boundsStream.result(); + geoStream(object, projectionStream(boundsStream$1)); + return boundsStream$1.result(); }; path.centroid = function(object) { - geoStream(object, projectionStream(centroidStream)); - return centroidStream.result(); + geoStream(object, projectionStream(pathCentroid)); + return pathCentroid.result(); }; path.projection = function(_) { - return arguments.length ? (projectionStream = _ == null ? (projection = null, identity$5) : (projection = _).stream, path) : projection; + if (!arguments.length) return projection; + projectionStream = _ == null ? (projection = null, identity$5) : (projection = _).stream; + return path; }; path.context = function(_) { if (!arguments.length) return context; - contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); + contextStream = _ == null ? (context = null, new PathString(digits)) : new PathContext(context = _); if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); return path; }; @@ -11713,7 +12016,19 @@ function index$2(projection, context) { return path; }; - return path.projection(projection).context(context); + path.digits = function(_) { + if (!arguments.length) return digits; + if (_ == null) digits = null; + else { + const d = Math.floor(_); + if (!(d >= 0)) throw new RangeError(`invalid digits: ${_}`); + digits = d; + } + if (context === null) contextStream = new PathString(digits); + return path; + }; + + return path.projection(projection).digits(digits).context(context); } function transform$1(methods) { @@ -11747,8 +12062,8 @@ function fit(projection, fitBounds, object) { var clip = projection.clipExtent && projection.clipExtent(); projection.scale(150).translate([0, 0]); if (clip != null) projection.clipExtent(null); - geoStream(object, projection.stream(boundsStream)); - fitBounds(boundsStream.result()); + geoStream(object, projection.stream(boundsStream$1)); + fitBounds(boundsStream$1.result()); if (clip != null) projection.clipExtent(clip); return projection; } @@ -12928,19 +13243,48 @@ Node$1.prototype = hierarchy.prototype = { [Symbol.iterator]: node_iterator }; +function optional(f) { + return f == null ? null : required(f); +} + +function required(f) { + if (typeof f !== "function") throw new Error; + return f; +} + +function constantZero() { + return 0; +} + +function constant$2(x) { + return function() { + return x; + }; +} + +// https://en.wikipedia.org/wiki/Linear_congruential_generator#Parameters_in_common_use +const a$1 = 1664525; +const c$3 = 1013904223; +const m = 4294967296; // 2^32 + +function lcg$1() { + let s = 1; + return () => (s = (a$1 * s + c$3) % m) / m; +} + function array$1(x) { return typeof x === "object" && "length" in x ? x // Array, TypedArray, NodeList, array-like : Array.from(x); // Map, Set, iterable, string, or anything else } -function shuffle(array) { - var m = array.length, +function shuffle(array, random) { + let m = array.length, t, i; while (m) { - i = Math.random() * m-- | 0; + i = random() * m-- | 0; t = array[m]; array[m] = array[i]; array[i] = t; @@ -12950,7 +13294,11 @@ function shuffle(array) { } function enclose(circles) { - var i = 0, n = (circles = shuffle(Array.from(circles))).length, B = [], p, e; + return packEncloseRandom(circles, lcg$1()); +} + +function packEncloseRandom(circles, random) { + var i = 0, n = (circles = shuffle(Array.from(circles), random)).length, B = [], p, e; while (i < n) { p = circles[i]; @@ -13058,7 +13406,7 @@ function encloseBasis3(a, b, c) { A = xb * xb + yb * yb - 1, B = 2 * (r1 + xa * xb + ya * yb), C = xa * xa + ya * ya - r1 * r1, - r = -(A ? (B + Math.sqrt(B * B - 4 * A * C)) / (2 * A) : C / B); + r = -(Math.abs(A) > 1e-6 ? (B + Math.sqrt(B * B - 4 * A * C)) / (2 * A) : C / B); return { x: x1 + xa + xb * r, y: y1 + ya + yb * r, @@ -13110,7 +13458,7 @@ function Node(circle) { this.previous = null; } -function packEnclose(circles) { +function packSiblingsRandom(circles, random) { if (!(n = (circles = array$1(circles)).length)) return 0; var a, b, c, n, aa, ca, i, j, k, sj, sk; @@ -13170,7 +13518,7 @@ function packEnclose(circles) { } // Compute the enclosing circle of the front chain. - a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a); + a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = packEncloseRandom(a, random); // Translate the circles to put the enclosing circle around the origin. for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y; @@ -13179,29 +13527,10 @@ function packEnclose(circles) { } function siblings(circles) { - packEnclose(circles); + packSiblingsRandom(circles, lcg$1()); return circles; } -function optional(f) { - return f == null ? null : required(f); -} - -function required(f) { - if (typeof f !== "function") throw new Error; - return f; -} - -function constantZero() { - return 0; -} - -function constant$2(x) { - return function() { - return x; - }; -} - function defaultRadius(d) { return Math.sqrt(d.value); } @@ -13213,15 +13542,16 @@ function index$1() { padding = constantZero; function pack(root) { + const random = lcg$1(); root.x = dx / 2, root.y = dy / 2; if (radius) { root.eachBefore(radiusLeaf(radius)) - .eachAfter(packChildren(padding, 0.5)) + .eachAfter(packChildrenRandom(padding, 0.5, random)) .eachBefore(translateChild(1)); } else { root.eachBefore(radiusLeaf(defaultRadius)) - .eachAfter(packChildren(constantZero, 1)) - .eachAfter(packChildren(padding, root.r / Math.min(dx, dy))) + .eachAfter(packChildrenRandom(constantZero, 1, random)) + .eachAfter(packChildrenRandom(padding, root.r / Math.min(dx, dy), random)) .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r))); } return root; @@ -13250,7 +13580,7 @@ function radiusLeaf(radius) { }; } -function packChildren(padding, k) { +function packChildrenRandom(padding, k, random) { return function(node) { if (children = node.children) { var children, @@ -13260,7 +13590,7 @@ function packChildren(padding, k) { e; if (r) for (i = 0; i < n; ++i) children[i].r += r; - e = packEnclose(children); + e = packSiblingsRandom(children, random); if (r) for (i = 0; i < n; ++i) children[i].r -= r; node.r = e + r; } @@ -13349,7 +13679,8 @@ function partition() { } var preroot = {depth: -1}, - ambiguous = {}; + ambiguous = {}, + imputed = {}; function defaultId(d) { return d.id; @@ -13361,11 +13692,14 @@ function defaultParentId(d) { function stratify() { var id = defaultId, - parentId = defaultParentId; + parentId = defaultParentId, + path; function stratify(data) { var nodes = Array.from(data), - n = nodes.length, + currentId = id, + currentParentId = parentId, + n, d, i, root, @@ -13375,13 +13709,29 @@ function stratify() { nodeKey, nodeByKey = new Map; - for (i = 0; i < n; ++i) { + if (path != null) { + const I = nodes.map((d, i) => normalize$1(path(d, i, data))); + const P = I.map(parentof); + const S = new Set(I).add(""); + for (const i of P) { + if (!S.has(i)) { + S.add(i); + I.push(i); + P.push(parentof(i)); + nodes.push(imputed); + } + } + currentId = (_, i) => I[i]; + currentParentId = (_, i) => P[i]; + } + + for (i = 0, n = nodes.length; i < n; ++i) { d = nodes[i], node = nodes[i] = new Node$1(d); - if ((nodeId = id(d, i, data)) != null && (nodeId += "")) { + if ((nodeId = currentId(d, i, data)) != null && (nodeId += "")) { nodeKey = node.id = nodeId; nodeByKey.set(nodeKey, nodeByKey.has(nodeKey) ? ambiguous : node); } - if ((nodeId = parentId(d, i, data)) != null && (nodeId += "")) { + if ((nodeId = currentParentId(d, i, data)) != null && (nodeId += "")) { node.parent = nodeId; } } @@ -13402,6 +13752,20 @@ function stratify() { } if (!root) throw new Error("no root"); + + // When imputing internal nodes, only introduce roots if needed. + // Then replace the imputed marker data with null. + if (path != null) { + while (root.data === imputed && root.children.length === 1) { + root = root.children[0], --n; + } + for (let i = nodes.length - 1; i >= 0; --i) { + node = nodes[i]; + if (node.data !== imputed) break; + node.data = null; + } + } + root.parent = preroot; root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight); root.parent = null; @@ -13411,16 +13775,52 @@ function stratify() { } stratify.id = function(x) { - return arguments.length ? (id = required(x), stratify) : id; + return arguments.length ? (id = optional(x), stratify) : id; }; stratify.parentId = function(x) { - return arguments.length ? (parentId = required(x), stratify) : parentId; + return arguments.length ? (parentId = optional(x), stratify) : parentId; + }; + + stratify.path = function(x) { + return arguments.length ? (path = optional(x), stratify) : path; }; return stratify; } +// To normalize a path, we coerce to a string, strip the trailing slash if any +// (as long as the trailing slash is not immediately preceded by another slash), +// and add leading slash if missing. +function normalize$1(path) { + path = `${path}`; + let i = path.length; + if (slash(path, i - 1) && !slash(path, i - 2)) path = path.slice(0, -1); + return path[0] === "/" ? path : `/${path}`; +} + +// Walk backwards to find the first slash that is not the leading slash, e.g.: +// "/foo/bar" ⇥ "/foo", "/foo" ⇥ "/", "/" ↦ "". (The root is special-cased +// because the id of the root must be a truthy value.) +function parentof(path) { + let i = path.length; + if (i < 2) return ""; + while (--i > 1) if (slash(path, i)) break; + return path.slice(0, i); +} + +// Slashes can be escaped; to determine whether a slash is a path delimiter, we +// count the number of preceding backslashes escaping the forward slash: an odd +// number indicates an escaped forward slash. +function slash(path, i) { + if (path[i] === "/") { + let k = 0; + while (i > 0 && path[--i] === "\\") ++k; + if ((k & 1) === 0) return true; + } + return false; +} + function defaultSeparation(a, b) { return a.parent === b.parent ? 1 : 2; } @@ -14467,7 +14867,7 @@ function band() { start += (stop - start - step * (n - paddingInner)) * align; bandwidth = step * (1 - paddingInner); if (round) start = Math.round(start), bandwidth = Math.round(bandwidth); - var values = sequence(n).map(function(i) { return start + step * i; }); + var values = range$2(n).map(function(i) { return start + step * i; }); return ordinalRange(reverse ? values.reverse() : values); } @@ -14595,7 +14995,7 @@ function polymap(domain, range, interpolate) { } return function(x) { - var i = bisectRight(domain, x, 1, j) - 1; + var i = bisect(domain, x, 1, j) - 1; return r[i](d[i](x)); }; } @@ -14832,28 +15232,26 @@ function pow10(x) { function powp(base) { return base === 10 ? pow10 : base === Math.E ? Math.exp - : function(x) { return Math.pow(base, x); }; + : x => Math.pow(base, x); } function logp(base) { return base === Math.E ? Math.log : base === 10 && Math.log10 || base === 2 && Math.log2 - || (base = Math.log(base), function(x) { return Math.log(x) / base; }); + || (base = Math.log(base), x => Math.log(x) / base); } function reflect(f) { - return function(x) { - return -f(-x); - }; + return (x, k) => -f(-x, k); } function loggish(transform) { - var scale = transform(transformLog, transformExp), - domain = scale.domain, - base = 10, - logs, - pows; + const scale = transform(transformLog, transformExp); + const domain = scale.domain; + let base = 10; + let logs; + let pows; function rescale() { logs = logp(base), pows = powp(base); @@ -14874,34 +15272,33 @@ function loggish(transform) { return arguments.length ? (domain(_), rescale()) : domain(); }; - scale.ticks = function(count) { - var d = domain(), - u = d[0], - v = d[d.length - 1], - r; + scale.ticks = count => { + const d = domain(); + let u = d[0]; + let v = d[d.length - 1]; + const r = v < u; - if (r = v < u) i = u, u = v, v = i; + if (r) ([u, v] = [v, u]); - var i = logs(u), - j = logs(v), - p, - k, - t, - n = count == null ? 10 : +count, - z = []; + let i = logs(u); + let j = logs(v); + let k; + let t; + const n = count == null ? 10 : +count; + let z = []; if (!(base % 1) && j - i < n) { i = Math.floor(i), j = Math.ceil(j); if (u > 0) for (; i <= j; ++i) { - for (k = 1, p = pows(i); k < base; ++k) { - t = p * k; + for (k = 1; k < base; ++k) { + t = i < 0 ? k / pows(-i) : k * pows(i); if (t < u) continue; if (t > v) break; z.push(t); } } else for (; i <= j; ++i) { - for (k = base - 1, p = pows(i); k >= 1; --k) { - t = p * k; + for (k = base - 1; k >= 1; --k) { + t = i > 0 ? k / pows(-i) : k * pows(i); if (t < u) continue; if (t > v) break; z.push(t); @@ -14911,27 +15308,29 @@ function loggish(transform) { } else { z = ticks(i, j, Math.min(j - i, n)).map(pows); } - return r ? z.reverse() : z; }; - scale.tickFormat = function(count, specifier) { - if (specifier == null) specifier = base === 10 ? ".0e" : ","; - if (typeof specifier !== "function") specifier = exports.format(specifier); - if (count === Infinity) return specifier; + scale.tickFormat = (count, specifier) => { if (count == null) count = 10; - var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate? - return function(d) { - var i = d / pows(Math.round(logs(d))); + if (specifier == null) specifier = base === 10 ? "s" : ","; + if (typeof specifier !== "function") { + if (!(base % 1) && (specifier = formatSpecifier(specifier)).precision == null) specifier.trim = true; + specifier = exports.format(specifier); + } + if (count === Infinity) return specifier; + const k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate? + return d => { + let i = d / pows(Math.round(logs(d))); if (i * base < base - 0.5) i *= base; return i <= k ? specifier(d) : ""; }; }; - scale.nice = function() { + scale.nice = () => { return domain(nice(domain(), { - floor: function(x) { return pows(Math.floor(logs(x))); }, - ceil: function(x) { return pows(Math.ceil(logs(x))); } + floor: x => pows(Math.floor(logs(x))), + ceil: x => pows(Math.ceil(logs(x))) })); }; @@ -14939,14 +15338,9 @@ function loggish(transform) { } function log() { - var scale = loggish(transformer$2()).domain([1, 10]); - - scale.copy = function() { - return copy$1(scale, log()).base(scale.base()); - }; - + const scale = loggish(transformer$2()).domain([1, 10]); + scale.copy = () => copy$1(scale, log()).base(scale.base()); initRange.apply(scale, arguments); - return scale; } @@ -15102,7 +15496,7 @@ function quantile() { } function scale(x) { - return x == null || isNaN(x = +x) ? unknown : range[bisectRight(thresholds, x)]; + return x == null || isNaN(x = +x) ? unknown : range[bisect(thresholds, x)]; } scale.invertExtent = function(y) { @@ -15152,7 +15546,7 @@ function quantize() { unknown; function scale(x) { - return x != null && x <= x ? range[bisectRight(domain, x, 0, n)] : unknown; + return x != null && x <= x ? range[bisect(domain, x, 0, n)] : unknown; } function rescale() { @@ -15203,7 +15597,7 @@ function threshold() { n = 1; function scale(x) { - return x != null && x <= x ? range[bisectRight(domain, x, 0, n)] : unknown; + return x != null && x <= x ? range[bisect(domain, x, 0, n)] : unknown; } scale.domain = function(_) { @@ -15233,47 +15627,46 @@ function threshold() { return initRange.apply(scale, arguments); } -var t0 = new Date, - t1 = new Date; +const t0 = new Date, t1 = new Date; -function newInterval(floori, offseti, count, field) { +function timeInterval(floori, offseti, count, field) { function interval(date) { return floori(date = arguments.length === 0 ? new Date : new Date(+date)), date; } - interval.floor = function(date) { + interval.floor = (date) => { return floori(date = new Date(+date)), date; }; - interval.ceil = function(date) { + interval.ceil = (date) => { return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; }; - interval.round = function(date) { - var d0 = interval(date), - d1 = interval.ceil(date); + interval.round = (date) => { + const d0 = interval(date), d1 = interval.ceil(date); return date - d0 < d1 - date ? d0 : d1; }; - interval.offset = function(date, step) { + interval.offset = (date, step) => { return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; }; - interval.range = function(start, stop, step) { - var range = [], previous; + interval.range = (start, stop, step) => { + const range = []; start = interval.ceil(start); step = step == null ? 1 : Math.floor(step); if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date + let previous; do range.push(previous = new Date(+start)), offseti(start, step), floori(start); while (previous < start && start < stop); return range; }; - interval.filter = function(test) { - return newInterval(function(date) { + interval.filter = (test) => { + return timeInterval((date) => { if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1); - }, function(date, step) { + }, (date, step) => { if (date >= date) { if (step < 0) while (++step <= 0) { while (offseti(date, -1), !test(date)) {} // eslint-disable-line no-empty @@ -15285,47 +15678,48 @@ function newInterval(floori, offseti, count, field) { }; if (count) { - interval.count = function(start, end) { + interval.count = (start, end) => { t0.setTime(+start), t1.setTime(+end); floori(t0), floori(t1); return Math.floor(count(t0, t1)); }; - interval.every = function(step) { + interval.every = (step) => { step = Math.floor(step); return !isFinite(step) || !(step > 0) ? null : !(step > 1) ? interval : interval.filter(field - ? function(d) { return field(d) % step === 0; } - : function(d) { return interval.count(0, d) % step === 0; }); + ? (d) => field(d) % step === 0 + : (d) => interval.count(0, d) % step === 0); }; } return interval; } -var millisecond = newInterval(function() { +const millisecond = timeInterval(() => { // noop -}, function(date, step) { +}, (date, step) => { date.setTime(+date + step); -}, function(start, end) { +}, (start, end) => { return end - start; }); // An optimized implementation for this simple case. -millisecond.every = function(k) { +millisecond.every = (k) => { k = Math.floor(k); if (!isFinite(k) || !(k > 0)) return null; if (!(k > 1)) return millisecond; - return newInterval(function(date) { + return timeInterval((date) => { date.setTime(Math.floor(date / k) * k); - }, function(date, step) { + }, (date, step) => { date.setTime(+date + step * k); - }, function(start, end) { + }, (start, end) => { return (end - start) / k; }); }; -var milliseconds = millisecond.range; + +const milliseconds = millisecond.range; const durationSecond = 1000; const durationMinute = durationSecond * 60; @@ -15335,203 +15729,226 @@ const durationWeek = durationDay * 7; const durationMonth = durationDay * 30; const durationYear = durationDay * 365; -var second = newInterval(function(date) { +const second = timeInterval((date) => { date.setTime(date - date.getMilliseconds()); -}, function(date, step) { +}, (date, step) => { date.setTime(+date + step * durationSecond); -}, function(start, end) { +}, (start, end) => { return (end - start) / durationSecond; -}, function(date) { +}, (date) => { return date.getUTCSeconds(); }); -var seconds = second.range; -var minute = newInterval(function(date) { - date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond); -}, function(date, step) { +const seconds = second.range; + +const timeMinute = timeInterval((date) => { + date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond); +}, (date, step) => { + date.setTime(+date + step * durationMinute); +}, (start, end) => { + return (end - start) / durationMinute; +}, (date) => { + return date.getMinutes(); +}); + +const timeMinutes = timeMinute.range; + +const utcMinute = timeInterval((date) => { + date.setUTCSeconds(0, 0); +}, (date, step) => { date.setTime(+date + step * durationMinute); -}, function(start, end) { +}, (start, end) => { return (end - start) / durationMinute; -}, function(date) { - return date.getMinutes(); +}, (date) => { + return date.getUTCMinutes(); }); -var minutes = minute.range; -var hour = newInterval(function(date) { +const utcMinutes = utcMinute.range; + +const timeHour = timeInterval((date) => { date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond - date.getMinutes() * durationMinute); -}, function(date, step) { +}, (date, step) => { date.setTime(+date + step * durationHour); -}, function(start, end) { +}, (start, end) => { return (end - start) / durationHour; -}, function(date) { +}, (date) => { return date.getHours(); }); -var hours = hour.range; -var day = newInterval( +const timeHours = timeHour.range; + +const utcHour = timeInterval((date) => { + date.setUTCMinutes(0, 0, 0); +}, (date, step) => { + date.setTime(+date + step * durationHour); +}, (start, end) => { + return (end - start) / durationHour; +}, (date) => { + return date.getUTCHours(); +}); + +const utcHours = utcHour.range; + +const timeDay = timeInterval( date => date.setHours(0, 0, 0, 0), (date, step) => date.setDate(date.getDate() + step), (start, end) => (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay, date => date.getDate() - 1 ); -var days = day.range; -function weekday(i) { - return newInterval(function(date) { +const timeDays = timeDay.range; + +const utcDay = timeInterval((date) => { + date.setUTCHours(0, 0, 0, 0); +}, (date, step) => { + date.setUTCDate(date.getUTCDate() + step); +}, (start, end) => { + return (end - start) / durationDay; +}, (date) => { + return date.getUTCDate() - 1; +}); + +const utcDays = utcDay.range; + +const unixDay = timeInterval((date) => { + date.setUTCHours(0, 0, 0, 0); +}, (date, step) => { + date.setUTCDate(date.getUTCDate() + step); +}, (start, end) => { + return (end - start) / durationDay; +}, (date) => { + return Math.floor(date / durationDay); +}); + +const unixDays = unixDay.range; + +function timeWeekday(i) { + return timeInterval((date) => { date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); date.setHours(0, 0, 0, 0); - }, function(date, step) { + }, (date, step) => { date.setDate(date.getDate() + step * 7); - }, function(start, end) { + }, (start, end) => { return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; }); } -var sunday = weekday(0); -var monday = weekday(1); -var tuesday = weekday(2); -var wednesday = weekday(3); -var thursday = weekday(4); -var friday = weekday(5); -var saturday = weekday(6); +const timeSunday = timeWeekday(0); +const timeMonday = timeWeekday(1); +const timeTuesday = timeWeekday(2); +const timeWednesday = timeWeekday(3); +const timeThursday = timeWeekday(4); +const timeFriday = timeWeekday(5); +const timeSaturday = timeWeekday(6); + +const timeSundays = timeSunday.range; +const timeMondays = timeMonday.range; +const timeTuesdays = timeTuesday.range; +const timeWednesdays = timeWednesday.range; +const timeThursdays = timeThursday.range; +const timeFridays = timeFriday.range; +const timeSaturdays = timeSaturday.range; + +function utcWeekday(i) { + return timeInterval((date) => { + date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); + date.setUTCHours(0, 0, 0, 0); + }, (date, step) => { + date.setUTCDate(date.getUTCDate() + step * 7); + }, (start, end) => { + return (end - start) / durationWeek; + }); +} + +const utcSunday = utcWeekday(0); +const utcMonday = utcWeekday(1); +const utcTuesday = utcWeekday(2); +const utcWednesday = utcWeekday(3); +const utcThursday = utcWeekday(4); +const utcFriday = utcWeekday(5); +const utcSaturday = utcWeekday(6); -var sundays = sunday.range; -var mondays = monday.range; -var tuesdays = tuesday.range; -var wednesdays = wednesday.range; -var thursdays = thursday.range; -var fridays = friday.range; -var saturdays = saturday.range; +const utcSundays = utcSunday.range; +const utcMondays = utcMonday.range; +const utcTuesdays = utcTuesday.range; +const utcWednesdays = utcWednesday.range; +const utcThursdays = utcThursday.range; +const utcFridays = utcFriday.range; +const utcSaturdays = utcSaturday.range; -var month = newInterval(function(date) { +const timeMonth = timeInterval((date) => { date.setDate(1); date.setHours(0, 0, 0, 0); -}, function(date, step) { +}, (date, step) => { date.setMonth(date.getMonth() + step); -}, function(start, end) { +}, (start, end) => { return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; -}, function(date) { +}, (date) => { return date.getMonth(); }); -var months = month.range; -var year = newInterval(function(date) { +const timeMonths = timeMonth.range; + +const utcMonth = timeInterval((date) => { + date.setUTCDate(1); + date.setUTCHours(0, 0, 0, 0); +}, (date, step) => { + date.setUTCMonth(date.getUTCMonth() + step); +}, (start, end) => { + return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; +}, (date) => { + return date.getUTCMonth(); +}); + +const utcMonths = utcMonth.range; + +const timeYear = timeInterval((date) => { date.setMonth(0, 1); date.setHours(0, 0, 0, 0); -}, function(date, step) { +}, (date, step) => { date.setFullYear(date.getFullYear() + step); -}, function(start, end) { +}, (start, end) => { return end.getFullYear() - start.getFullYear(); -}, function(date) { +}, (date) => { return date.getFullYear(); }); // An optimized implementation for this simple case. -year.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { +timeYear.every = (k) => { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : timeInterval((date) => { date.setFullYear(Math.floor(date.getFullYear() / k) * k); date.setMonth(0, 1); date.setHours(0, 0, 0, 0); - }, function(date, step) { + }, (date, step) => { date.setFullYear(date.getFullYear() + step * k); }); }; -var years = year.range; - -var utcMinute = newInterval(function(date) { - date.setUTCSeconds(0, 0); -}, function(date, step) { - date.setTime(+date + step * durationMinute); -}, function(start, end) { - return (end - start) / durationMinute; -}, function(date) { - return date.getUTCMinutes(); -}); -var utcMinutes = utcMinute.range; - -var utcHour = newInterval(function(date) { - date.setUTCMinutes(0, 0, 0); -}, function(date, step) { - date.setTime(+date + step * durationHour); -}, function(start, end) { - return (end - start) / durationHour; -}, function(date) { - return date.getUTCHours(); -}); -var utcHours = utcHour.range; - -var utcDay = newInterval(function(date) { - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCDate(date.getUTCDate() + step); -}, function(start, end) { - return (end - start) / durationDay; -}, function(date) { - return date.getUTCDate() - 1; -}); -var utcDays = utcDay.range; -function utcWeekday(i) { - return newInterval(function(date) { - date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCDate(date.getUTCDate() + step * 7); - }, function(start, end) { - return (end - start) / durationWeek; - }); -} - -var utcSunday = utcWeekday(0); -var utcMonday = utcWeekday(1); -var utcTuesday = utcWeekday(2); -var utcWednesday = utcWeekday(3); -var utcThursday = utcWeekday(4); -var utcFriday = utcWeekday(5); -var utcSaturday = utcWeekday(6); - -var utcSundays = utcSunday.range; -var utcMondays = utcMonday.range; -var utcTuesdays = utcTuesday.range; -var utcWednesdays = utcWednesday.range; -var utcThursdays = utcThursday.range; -var utcFridays = utcFriday.range; -var utcSaturdays = utcSaturday.range; - -var utcMonth = newInterval(function(date) { - date.setUTCDate(1); - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCMonth(date.getUTCMonth() + step); -}, function(start, end) { - return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; -}, function(date) { - return date.getUTCMonth(); -}); -var utcMonths = utcMonth.range; +const timeYears = timeYear.range; -var utcYear = newInterval(function(date) { +const utcYear = timeInterval((date) => { date.setUTCMonth(0, 1); date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { +}, (date, step) => { date.setUTCFullYear(date.getUTCFullYear() + step); -}, function(start, end) { +}, (start, end) => { return end.getUTCFullYear() - start.getUTCFullYear(); -}, function(date) { +}, (date) => { return date.getUTCFullYear(); }); // An optimized implementation for this simple case. -utcYear.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { +utcYear.every = (k) => { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : timeInterval((date) => { date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); date.setUTCMonth(0, 1); date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { + }, (date, step) => { date.setUTCFullYear(date.getUTCFullYear() + step * k); }); }; -var utcYears = utcYear.range; + +const utcYears = utcYear.range; function ticker(year, month, week, day, hour, minute) { @@ -15576,8 +15993,8 @@ function ticker(year, month, week, day, hour, minute) { return [ticks, tickInterval]; } -const [utcTicks, utcTickInterval] = ticker(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute); -const [timeTicks, timeTickInterval] = ticker(year, month, sunday, day, hour, minute); +const [utcTicks, utcTickInterval] = ticker(utcYear, utcMonth, utcSunday, unixDay, utcHour, utcMinute); +const [timeTicks, timeTickInterval] = ticker(timeYear, timeMonth, timeSunday, timeDay, timeHour, timeMinute); function localDate(d) { if (0 <= d.y && d.y < 100) { @@ -15767,7 +16184,7 @@ function formatLocale(locale) { return function(string) { var d = newDate(1900, undefined, 1), i = parseSpecifier(d, specifier, string += "", 0), - week, day$1; + week, day; if (i != string.length) return null; // If a UNIX timestamp is specified, return it. @@ -15788,25 +16205,25 @@ function formatLocale(locale) { if (d.V < 1 || d.V > 53) return null; if (!("w" in d)) d.w = 1; if ("Z" in d) { - week = utcDate(newDate(d.y, 0, 1)), day$1 = week.getUTCDay(); - week = day$1 > 4 || day$1 === 0 ? utcMonday.ceil(week) : utcMonday(week); + week = utcDate(newDate(d.y, 0, 1)), day = week.getUTCDay(); + week = day > 4 || day === 0 ? utcMonday.ceil(week) : utcMonday(week); week = utcDay.offset(week, (d.V - 1) * 7); d.y = week.getUTCFullYear(); d.m = week.getUTCMonth(); d.d = week.getUTCDate() + (d.w + 6) % 7; } else { - week = localDate(newDate(d.y, 0, 1)), day$1 = week.getDay(); - week = day$1 > 4 || day$1 === 0 ? monday.ceil(week) : monday(week); - week = day.offset(week, (d.V - 1) * 7); + week = localDate(newDate(d.y, 0, 1)), day = week.getDay(); + week = day > 4 || day === 0 ? timeMonday.ceil(week) : timeMonday(week); + week = timeDay.offset(week, (d.V - 1) * 7); d.y = week.getFullYear(); d.m = week.getMonth(); d.d = week.getDate() + (d.w + 6) % 7; } } else if ("W" in d || "U" in d) { if (!("w" in d)) d.w = "u" in d ? d.u % 7 : "W" in d ? 1 : 0; - day$1 = "Z" in d ? utcDate(newDate(d.y, 0, 1)).getUTCDay() : localDate(newDate(d.y, 0, 1)).getDay(); + day = "Z" in d ? utcDate(newDate(d.y, 0, 1)).getUTCDay() : localDate(newDate(d.y, 0, 1)).getDay(); d.m = 0; - d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$1 + 5) % 7 : d.w + d.U * 7 - (day$1 + 6) % 7; + d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day + 5) % 7 : d.w + d.U * 7 - (day + 6) % 7; } // If a time zone is specified, all fields are interpreted as UTC and then @@ -16090,7 +16507,7 @@ function formatHour12(d, p) { } function formatDayOfYear(d, p) { - return pad(1 + day.count(year(d), d), p, 3); + return pad(1 + timeDay.count(timeYear(d), d), p, 3); } function formatMilliseconds(d, p) { @@ -16119,17 +16536,17 @@ function formatWeekdayNumberMonday(d) { } function formatWeekNumberSunday(d, p) { - return pad(sunday.count(year(d) - 1, d), p, 2); + return pad(timeSunday.count(timeYear(d) - 1, d), p, 2); } function dISO(d) { var day = d.getDay(); - return (day >= 4 || day === 0) ? thursday(d) : thursday.ceil(d); + return (day >= 4 || day === 0) ? timeThursday(d) : timeThursday.ceil(d); } function formatWeekNumberISO(d, p) { d = dISO(d); - return pad(thursday.count(year(d), d) + (year(d).getDay() === 4), p, 2); + return pad(timeThursday.count(timeYear(d), d) + (timeYear(d).getDay() === 4), p, 2); } function formatWeekdayNumberSunday(d) { @@ -16137,7 +16554,7 @@ function formatWeekdayNumberSunday(d) { } function formatWeekNumberMonday(d, p) { - return pad(monday.count(year(d) - 1, d), p, 2); + return pad(timeMonday.count(timeYear(d) - 1, d), p, 2); } function formatYear(d, p) { @@ -16155,7 +16572,7 @@ function formatFullYear(d, p) { function formatFullYearISO(d, p) { var day = d.getDay(); - d = (day >= 4 || day === 0) ? thursday(d) : thursday.ceil(d); + d = (day >= 4 || day === 0) ? timeThursday(d) : timeThursday.ceil(d); return pad(d.getFullYear() % 10000, p, 4); } @@ -16300,6 +16717,8 @@ var formatIso = Date.prototype.toISOString ? formatIsoNative : exports.utcFormat(isoSpecifier); +var formatIso$1 = formatIso; + function parseIsoNative(string) { var date = new Date(string); return isNaN(date) ? null : date; @@ -16309,6 +16728,8 @@ var parseIso = +new Date("2000-01-01T00:00:00.000Z") ? parseIsoNative : exports.utcParse(isoSpecifier); +var parseIso$1 = parseIso; + function date(t) { return new Date(t); } @@ -16372,7 +16793,7 @@ function calendar(ticks, tickInterval, year, month, week, day, hour, minute, sec } function time() { - return initRange.apply(calendar(timeTicks, timeTickInterval, year, month, sunday, day, hour, minute, second, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments); + return initRange.apply(calendar(timeTicks, timeTickInterval, timeYear, timeMonth, timeSunday, timeDay, timeHour, timeMinute, second, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments); } function utcTime() { @@ -16484,7 +16905,7 @@ function sequentialQuantile() { interpolator = identity$3; function scale(x) { - if (x != null && !isNaN(x = +x)) return interpolator((bisectRight(domain, x, 1) - 1) / (domain.length - 1)); + if (x != null && !isNaN(x = +x)) return interpolator((bisect(domain, x, 1) - 1) / (domain.length - 1)); } scale.domain = function(_) { @@ -17049,18 +17470,18 @@ function constant$1(x) { }; } -var abs = Math.abs; -var atan2 = Math.atan2; -var cos = Math.cos; -var max = Math.max; -var min = Math.min; -var sin = Math.sin; -var sqrt = Math.sqrt; +const abs = Math.abs; +const atan2 = Math.atan2; +const cos = Math.cos; +const max = Math.max; +const min = Math.min; +const sin = Math.sin; +const sqrt = Math.sqrt; -var epsilon = 1e-12; -var pi = Math.PI; -var halfPi = pi / 2; -var tau = 2 * pi; +const epsilon = 1e-12; +const pi = Math.PI; +const halfPi = pi / 2; +const tau = 2 * pi; function acos(x) { return x > 1 ? 0 : x < -1 ? pi : Math.acos(x); @@ -17070,6 +17491,24 @@ function asin(x) { return x >= 1 ? halfPi : x <= -1 ? -halfPi : Math.asin(x); } +function withPath(shape) { + let digits = 3; + + shape.digits = function(_) { + if (!arguments.length) return digits; + if (_ == null) { + digits = null; + } else { + const d = Math.floor(_); + if (!(d >= 0)) throw new RangeError(`invalid digits: ${_}`); + digits = d; + } + return shape; + }; + + return () => new Path$1(digits); +} + function arcInnerRadius(d) { return d.innerRadius; } @@ -17150,7 +17589,8 @@ function arc() { startAngle = arcStartAngle, endAngle = arcEndAngle, padAngle = arcPadAngle, - context = null; + context = null, + path = withPath(arc); function arc() { var buffer, @@ -17219,16 +17659,22 @@ function arc() { y00 = r0 * sin(a00), oc; - // Restrict the corner radius according to the sector angle. - if (da < pi && (oc = intersect(x01, y01, x00, y00, x11, y11, x10, y10))) { - var ax = x01 - oc[0], - ay = y01 - oc[1], - bx = x11 - oc[0], - by = y11 - oc[1], - kc = 1 / sin(acos((ax * bx + ay * by) / (sqrt(ax * ax + ay * ay) * sqrt(bx * bx + by * by))) / 2), - lc = sqrt(oc[0] * oc[0] + oc[1] * oc[1]); - rc0 = min(rc, (r0 - lc) / (kc - 1)); - rc1 = min(rc, (r1 - lc) / (kc + 1)); + // Restrict the corner radius according to the sector angle. If this + // intersection fails, it’s probably because the arc is too small, so + // disable the corner radius entirely. + if (da < pi) { + if (oc = intersect(x01, y01, x00, y00, x11, y11, x10, y10)) { + var ax = x01 - oc[0], + ay = y01 - oc[1], + bx = x11 - oc[0], + by = y11 - oc[1], + kc = 1 / sin(acos((ax * bx + ay * by) / (sqrt(ax * ax + ay * ay) * sqrt(bx * bx + by * by))) / 2), + lc = sqrt(oc[0] * oc[0] + oc[1] * oc[1]); + rc0 = min(rc, (r0 - lc) / (kc - 1)); + rc1 = min(rc, (r1 - lc) / (kc + 1)); + } else { + rc0 = rc1 = 0; + } } } @@ -17380,7 +17826,8 @@ function line(x$1, y$1) { var defined = constant$1(true), context = null, curve = curveLinear, - output = null; + output = null, + path = withPath(line); x$1 = typeof x$1 === "function" ? x$1 : (x$1 === undefined) ? x : constant$1(x$1); y$1 = typeof y$1 === "function" ? y$1 : (y$1 === undefined) ? y : constant$1(y$1); @@ -17433,7 +17880,8 @@ function area(x0, y0, y1) { defined = constant$1(true), context = null, curve = curveLinear, - output = null; + output = null, + path = withPath(area); x0 = typeof x0 === "function" ? x0 : (x0 === undefined) ? x : constant$1(+x0); y0 = typeof y0 === "function" ? y0 : (y0 === undefined) ? constant$1(0) : constant$1(+y0); @@ -17616,7 +18064,7 @@ function pie() { return pie; } -var curveRadialLinear = curveRadial$1(curveLinear); +var curveRadialLinear = curveRadial(curveLinear); function Radial(curve) { this._curve = curve; @@ -17640,7 +18088,7 @@ Radial.prototype = { } }; -function curveRadial$1(curve) { +function curveRadial(curve) { function radial(context) { return new Radial(curve(context)); @@ -17658,7 +18106,7 @@ function lineRadial(l) { l.radius = l.y, delete l.y; l.curve = function(_) { - return arguments.length ? c(curveRadial$1(_)) : c()._curve; + return arguments.length ? c(curveRadial(_)) : c()._curve; }; return l; @@ -17688,7 +18136,7 @@ function areaRadial() { a.lineOuterRadius = function() { return lineRadial(y1()); }, delete a.lineY1; a.curve = function(_) { - return arguments.length ? c(curveRadial$1(_)) : c()._curve; + return arguments.length ? c(curveRadial(_)) : c()._curve; }; return a; @@ -17698,6 +18146,80 @@ function pointRadial(x, y) { return [(y = +y) * Math.cos(x -= Math.PI / 2), y * Math.sin(x)]; } +class Bump { + constructor(context, x) { + this._context = context; + this._x = x; + } + areaStart() { + this._line = 0; + } + areaEnd() { + this._line = NaN; + } + lineStart() { + this._point = 0; + } + lineEnd() { + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + } + point(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: { + this._point = 1; + if (this._line) this._context.lineTo(x, y); + else this._context.moveTo(x, y); + break; + } + case 1: this._point = 2; // falls through + default: { + if (this._x) this._context.bezierCurveTo(this._x0 = (this._x0 + x) / 2, this._y0, this._x0, y, x, y); + else this._context.bezierCurveTo(this._x0, this._y0 = (this._y0 + y) / 2, x, this._y0, x, y); + break; + } + } + this._x0 = x, this._y0 = y; + } +} + +class BumpRadial { + constructor(context) { + this._context = context; + } + lineStart() { + this._point = 0; + } + lineEnd() {} + point(x, y) { + x = +x, y = +y; + if (this._point === 0) { + this._point = 1; + } else { + const p0 = pointRadial(this._x0, this._y0); + const p1 = pointRadial(this._x0, this._y0 = (this._y0 + y) / 2); + const p2 = pointRadial(x, this._y0); + const p3 = pointRadial(x, y); + this._context.moveTo(...p0); + this._context.bezierCurveTo(...p1, ...p2, ...p3); + } + this._x0 = x, this._y0 = y; + } +} + +function bumpX(context) { + return new Bump(context, true); +} + +function bumpY(context) { + return new Bump(context, false); +} + +function bumpRadial(context) { + return new BumpRadial(context); +} + function linkSource(d) { return d.source; } @@ -17707,17 +18229,25 @@ function linkTarget(d) { } function link(curve) { - var source = linkSource, + let source = linkSource, target = linkTarget, x$1 = x, y$1 = y, - context = null; + context = null, + output = null, + path = withPath(link); function link() { - var buffer, argv = slice.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); - if (!context) context = buffer = path(); - curve(context, +x$1.apply(this, (argv[0] = s, argv)), +y$1.apply(this, argv), +x$1.apply(this, (argv[0] = t, argv)), +y$1.apply(this, argv)); - if (buffer) return context = null, buffer + "" || null; + let buffer; + const argv = slice.call(arguments); + const s = source.apply(this, argv); + const t = target.apply(this, argv); + if (context == null) output = curve(buffer = path()); + output.lineStart(); + argv[0] = s, output.point(+x$1.apply(this, argv), +y$1.apply(this, argv)); + argv[0] = t, output.point(+x$1.apply(this, argv), +y$1.apply(this, argv)); + output.lineEnd(); + if (buffer) return output = null, buffer + "" || null; } link.source = function(_) { @@ -17737,57 +18267,54 @@ function link(curve) { }; link.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), link) : context; + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), link) : context; }; return link; } -function curveHorizontal(context, x0, y0, x1, y1) { - context.moveTo(x0, y0); - context.bezierCurveTo(x0 = (x0 + x1) / 2, y0, x0, y1, x1, y1); -} - -function curveVertical(context, x0, y0, x1, y1) { - context.moveTo(x0, y0); - context.bezierCurveTo(x0, y0 = (y0 + y1) / 2, x1, y0, x1, y1); -} - -function curveRadial(context, x0, y0, x1, y1) { - var p0 = pointRadial(x0, y0), - p1 = pointRadial(x0, y0 = (y0 + y1) / 2), - p2 = pointRadial(x1, y0), - p3 = pointRadial(x1, y1); - context.moveTo(p0[0], p0[1]); - context.bezierCurveTo(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]); -} - function linkHorizontal() { - return link(curveHorizontal); + return link(bumpX); } function linkVertical() { - return link(curveVertical); + return link(bumpY); } function linkRadial() { - var l = link(curveRadial); + const l = link(bumpRadial); l.angle = l.x, delete l.x; l.radius = l.y, delete l.y; return l; } +const sqrt3$2 = sqrt(3); + +var asterisk = { + draw(context, size) { + const r = sqrt(size + min(size / 28, 0.75)) * 0.59436; + const t = r / 2; + const u = t * sqrt3$2; + context.moveTo(0, r); + context.lineTo(0, -r); + context.moveTo(-u, -t); + context.lineTo(u, t); + context.moveTo(-u, t); + context.lineTo(u, -t); + } +}; + var circle = { - draw: function(context, size) { - var r = Math.sqrt(size / pi); + draw(context, size) { + const r = sqrt(size / pi); context.moveTo(r, 0); context.arc(0, 0, r, 0, tau); } }; var cross = { - draw: function(context, size) { - var r = Math.sqrt(size / 5) / 2; + draw(context, size) { + const r = sqrt(size / 5) / 2; context.moveTo(-3 * r, -r); context.lineTo(-r, -r); context.lineTo(-r, -3 * r); @@ -17804,13 +18331,13 @@ var cross = { } }; -var tan30 = Math.sqrt(1 / 3), - tan30_2 = tan30 * 2; +const tan30 = sqrt(1 / 3); +const tan30_2 = tan30 * 2; var diamond = { - draw: function(context, size) { - var y = Math.sqrt(size / tan30_2), - x = y * tan30; + draw(context, size) { + const y = sqrt(size / tan30_2); + const x = y * tan30; context.moveTo(0, -y); context.lineTo(x, 0); context.lineTo(0, y); @@ -17819,22 +18346,62 @@ var diamond = { } }; -var ka = 0.89081309152928522810, - kr = Math.sin(pi / 10) / Math.sin(7 * pi / 10), - kx = Math.sin(tau / 10) * kr, - ky = -Math.cos(tau / 10) * kr; +var diamond2 = { + draw(context, size) { + const r = sqrt(size) * 0.62625; + context.moveTo(0, -r); + context.lineTo(r, 0); + context.lineTo(0, r); + context.lineTo(-r, 0); + context.closePath(); + } +}; + +var plus = { + draw(context, size) { + const r = sqrt(size - min(size / 7, 2)) * 0.87559; + context.moveTo(-r, 0); + context.lineTo(r, 0); + context.moveTo(0, r); + context.lineTo(0, -r); + } +}; + +var square = { + draw(context, size) { + const w = sqrt(size); + const x = -w / 2; + context.rect(x, x, w, w); + } +}; + +var square2 = { + draw(context, size) { + const r = sqrt(size) * 0.4431; + context.moveTo(r, r); + context.lineTo(r, -r); + context.lineTo(-r, -r); + context.lineTo(-r, r); + context.closePath(); + } +}; + +const ka = 0.89081309152928522810; +const kr = sin(pi / 10) / sin(7 * pi / 10); +const kx = sin(tau / 10) * kr; +const ky = -cos(tau / 10) * kr; var star = { - draw: function(context, size) { - var r = Math.sqrt(size * ka), - x = kx * r, - y = ky * r; + draw(context, size) { + const r = sqrt(size * ka); + const x = kx * r; + const y = ky * r; context.moveTo(0, -r); context.lineTo(x, y); - for (var i = 1; i < 5; ++i) { - var a = tau * i / 5, - c = Math.cos(a), - s = Math.sin(a); + for (let i = 1; i < 5; ++i) { + const a = tau * i / 5; + const c = cos(a); + const s = sin(a); context.lineTo(s * r, -c * r); context.lineTo(c * x - s * y, s * x + c * y); } @@ -17842,40 +18409,43 @@ var star = { } }; -var square = { - draw: function(context, size) { - var w = Math.sqrt(size), - x = -w / 2; - context.rect(x, x, w, w); +const sqrt3$1 = sqrt(3); + +var triangle = { + draw(context, size) { + const y = -sqrt(size / (sqrt3$1 * 3)); + context.moveTo(0, y * 2); + context.lineTo(-sqrt3$1 * y, -y); + context.lineTo(sqrt3$1 * y, -y); + context.closePath(); } }; -var sqrt3 = Math.sqrt(3); +const sqrt3 = sqrt(3); -var triangle = { - draw: function(context, size) { - var y = -Math.sqrt(size / (sqrt3 * 3)); - context.moveTo(0, y * 2); - context.lineTo(-sqrt3 * y, -y); - context.lineTo(sqrt3 * y, -y); +var triangle2 = { + draw(context, size) { + const s = sqrt(size) * 0.6824; + const t = s / 2; + const u = (s * sqrt3) / 2; // cos(Math.PI / 6) + context.moveTo(0, -s); + context.lineTo(u, t); + context.lineTo(-u, t); context.closePath(); } }; -var c = -0.5, - s = Math.sqrt(3) / 2, - k = 1 / Math.sqrt(12), - a = (k / 2 + 1) * 3; +const c = -0.5; +const s = sqrt(3) / 2; +const k = 1 / sqrt(12); +const a = (k / 2 + 1) * 3; var wye = { - draw: function(context, size) { - var r = Math.sqrt(size / a), - x0 = r / 2, - y0 = r * k, - x1 = x0, - y1 = r * k + r, - x2 = -x1, - y2 = y1; + draw(context, size) { + const r = sqrt(size / a); + const x0 = r / 2, y0 = r * k; + const x1 = x0, y1 = r * k + r; + const x2 = -x1, y2 = y1; context.moveTo(x0, y0); context.lineTo(x1, y1); context.lineTo(x2, y2); @@ -17889,7 +18459,18 @@ var wye = { } }; -var symbols = [ +var times = { + draw(context, size) { + const r = sqrt(size - min(size / 6, 1.7)) * 0.6189; + context.moveTo(-r, -r); + context.lineTo(r, r); + context.moveTo(-r, r); + context.lineTo(r, -r); + } +}; + +// These symbols are designed to be filled. +const symbolsFill = [ circle, cross, diamond, @@ -17899,13 +18480,26 @@ var symbols = [ wye ]; -function symbol(type, size) { - var context = null; +// These symbols are designed to be stroked (with a width of 1.5px and round caps). +const symbolsStroke = [ + circle, + plus, + times, + triangle2, + asterisk, + square2, + diamond2 +]; + +function Symbol$1(type, size) { + let context = null, + path = withPath(symbol); + type = typeof type === "function" ? type : constant$1(type || circle); size = typeof size === "function" ? size : constant$1(size === undefined ? 64 : +size); function symbol() { - var buffer; + let buffer; if (!context) context = buffer = path(); type.apply(this, arguments).draw(context, +size.apply(this, arguments)); if (buffer) return context = null, buffer + "" || null; @@ -18068,52 +18662,6 @@ function basisOpen(context) { return new BasisOpen(context); } -class Bump { - constructor(context, x) { - this._context = context; - this._x = x; - } - areaStart() { - this._line = 0; - } - areaEnd() { - this._line = NaN; - } - lineStart() { - this._point = 0; - } - lineEnd() { - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - } - point(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: { - this._point = 1; - if (this._line) this._context.lineTo(x, y); - else this._context.moveTo(x, y); - break; - } - case 1: this._point = 2; // falls through - default: { - if (this._x) this._context.bezierCurveTo(this._x0 = (this._x0 + x) / 2, this._y0, this._x0, y, x, y); - else this._context.bezierCurveTo(this._x0, this._y0 = (this._y0 + y) / 2, x, this._y0, x, y); - break; - } - } - this._x0 = x, this._y0 = y; - } -} - -function bumpX(context) { - return new Bump(context, true); -} - -function bumpY(context) { - return new Bump(context, false); -} - function Bundle(context, beta) { this._basis = new Basis(context); this._beta = beta; @@ -19507,6 +20055,7 @@ exports.FormatSpecifier = FormatSpecifier; exports.InternMap = InternMap; exports.InternSet = InternSet; exports.Node = Node$1; +exports.Path = Path$1; exports.Voronoi = Voronoi; exports.ZoomTransform = Transform; exports.active = active; @@ -19520,12 +20069,15 @@ exports.axisLeft = axisLeft; exports.axisRight = axisRight; exports.axisTop = axisTop; exports.bin = bin; -exports.bisect = bisectRight; +exports.bisect = bisect; exports.bisectCenter = bisectCenter; exports.bisectLeft = bisectLeft; exports.bisectRight = bisectRight; exports.bisector = bisector; exports.blob = blob; +exports.blur = blur; +exports.blur2 = blur2; +exports.blurImage = blurImage; exports.brush = brush; exports.brushSelection = brushSelection; exports.brushX = brushX; @@ -19537,7 +20089,7 @@ exports.chordTranspose = chordTranspose; exports.cluster = cluster; exports.color = color; exports.contourDensity = density; -exports.contours = contours; +exports.contours = Contours; exports.count = count$1; exports.create = create$1; exports.creator = creator; @@ -19646,7 +20198,7 @@ exports.geoAzimuthalEquidistant = azimuthalEquidistant; exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; exports.geoBounds = bounds; exports.geoCentroid = centroid$1; -exports.geoCircle = circle$2; +exports.geoCircle = circle$1; exports.geoClipAntimeridian = clipAntimeridian; exports.geoClipCircle = clipCircle; exports.geoClipExtent = extent; @@ -19766,8 +20318,8 @@ exports.interpolateZoom = interpolateZoom; exports.interrupt = interrupt; exports.intersection = intersection; exports.interval = interval; -exports.isoFormat = formatIso; -exports.isoParse = parseIso; +exports.isoFormat = formatIso$1; +exports.isoParse = parseIso$1; exports.json = json; exports.lab = lab$1; exports.lch = lch; @@ -19775,6 +20327,7 @@ exports.least = least; exports.leastIndex = leastIndex; exports.line = line; exports.lineRadial = lineRadial$1; +exports.link = link; exports.linkHorizontal = linkHorizontal; exports.linkRadial = linkRadial; exports.linkVertical = linkVertical; @@ -19785,6 +20338,7 @@ exports.max = max$3; exports.maxIndex = maxIndex; exports.mean = mean; exports.median = median; +exports.medianIndex = medianIndex; exports.merge = merge; exports.min = min$2; exports.minIndex = minIndex; @@ -19799,6 +20353,7 @@ exports.packSiblings = siblings; exports.pairs = pairs; exports.partition = partition; exports.path = path; +exports.pathRound = pathRound; exports.permute = permute; exports.pie = pie; exports.piecewise = piecewise; @@ -19815,6 +20370,7 @@ exports.precisionPrefix = precisionPrefix; exports.precisionRound = precisionRound; exports.quadtree = quadtree; exports.quantile = quantile$1; +exports.quantileIndex = quantileIndex; exports.quantileSorted = quantileSorted; exports.quantize = quantize$1; exports.quickselect = quickselect; @@ -19838,7 +20394,8 @@ exports.randomPareto = pareto; exports.randomPoisson = poisson; exports.randomUniform = uniform; exports.randomWeibull = weibull; -exports.range = sequence; +exports.range = range$2; +exports.rank = rank; exports.reduce = reduce; exports.reverse = reverse$1; exports.rgb = rgb; @@ -19938,58 +20495,67 @@ exports.subset = subset; exports.sum = sum$2; exports.superset = superset; exports.svg = svg; -exports.symbol = symbol; +exports.symbol = Symbol$1; +exports.symbolAsterisk = asterisk; exports.symbolCircle = circle; exports.symbolCross = cross; exports.symbolDiamond = diamond; +exports.symbolDiamond2 = diamond2; +exports.symbolPlus = plus; exports.symbolSquare = square; +exports.symbolSquare2 = square2; exports.symbolStar = star; +exports.symbolTimes = times; exports.symbolTriangle = triangle; +exports.symbolTriangle2 = triangle2; exports.symbolWye = wye; -exports.symbols = symbols; +exports.symbolX = times; +exports.symbols = symbolsFill; +exports.symbolsFill = symbolsFill; +exports.symbolsStroke = symbolsStroke; exports.text = text; -exports.thresholdFreedmanDiaconis = freedmanDiaconis; -exports.thresholdScott = scott; +exports.thresholdFreedmanDiaconis = thresholdFreedmanDiaconis; +exports.thresholdScott = thresholdScott; exports.thresholdSturges = thresholdSturges; exports.tickFormat = tickFormat; exports.tickIncrement = tickIncrement; exports.tickStep = tickStep; exports.ticks = ticks; -exports.timeDay = day; -exports.timeDays = days; +exports.timeDay = timeDay; +exports.timeDays = timeDays; exports.timeFormatDefaultLocale = defaultLocale; exports.timeFormatLocale = formatLocale; -exports.timeFriday = friday; -exports.timeFridays = fridays; -exports.timeHour = hour; -exports.timeHours = hours; -exports.timeInterval = newInterval; +exports.timeFriday = timeFriday; +exports.timeFridays = timeFridays; +exports.timeHour = timeHour; +exports.timeHours = timeHours; +exports.timeInterval = timeInterval; exports.timeMillisecond = millisecond; exports.timeMilliseconds = milliseconds; -exports.timeMinute = minute; -exports.timeMinutes = minutes; -exports.timeMonday = monday; -exports.timeMondays = mondays; -exports.timeMonth = month; -exports.timeMonths = months; -exports.timeSaturday = saturday; -exports.timeSaturdays = saturdays; +exports.timeMinute = timeMinute; +exports.timeMinutes = timeMinutes; +exports.timeMonday = timeMonday; +exports.timeMondays = timeMondays; +exports.timeMonth = timeMonth; +exports.timeMonths = timeMonths; +exports.timeSaturday = timeSaturday; +exports.timeSaturdays = timeSaturdays; exports.timeSecond = second; exports.timeSeconds = seconds; -exports.timeSunday = sunday; -exports.timeSundays = sundays; -exports.timeThursday = thursday; -exports.timeThursdays = thursdays; +exports.timeSunday = timeSunday; +exports.timeSundays = timeSundays; +exports.timeThursday = timeThursday; +exports.timeThursdays = timeThursdays; exports.timeTickInterval = timeTickInterval; exports.timeTicks = timeTicks; -exports.timeTuesday = tuesday; -exports.timeTuesdays = tuesdays; -exports.timeWednesday = wednesday; -exports.timeWednesdays = wednesdays; -exports.timeWeek = sunday; -exports.timeWeeks = sundays; -exports.timeYear = year; -exports.timeYears = years; +exports.timeTuesday = timeTuesday; +exports.timeTuesdays = timeTuesdays; +exports.timeWednesday = timeWednesday; +exports.timeWednesdays = timeWednesdays; +exports.timeWeek = timeSunday; +exports.timeWeeks = timeSundays; +exports.timeYear = timeYear; +exports.timeYears = timeYears; exports.timeout = timeout; exports.timer = timer; exports.timerFlush = timerFlush; @@ -20012,6 +20578,8 @@ exports.tsvFormatValue = tsvFormatValue; exports.tsvParse = tsvParse; exports.tsvParseRows = tsvParseRows; exports.union = union; +exports.unixDay = unixDay; +exports.unixDays = unixDays; exports.utcDay = utcDay; exports.utcDays = utcDays; exports.utcFriday = utcFriday; @@ -20053,6 +20621,4 @@ exports.zoom = zoom; exports.zoomIdentity = identity; exports.zoomTransform = transform; -Object.defineProperty(exports, '__esModule', { value: true }); - -}))); +})); diff --git a/app/assets/javascripts/d3.min.js b/app/assets/javascripts/d3.min.js index d9ff278..8d56002 100644 --- a/app/assets/javascripts/d3.min.js +++ b/app/assets/javascripts/d3.min.js @@ -1,2 +1,2 @@ -// https://d3js.org v7.0.0 Copyright 2010-2021 Mike Bostock -!function(t,n){"object"==typeof exports&&"undefined"!=typeof module?n(exports):"function"==typeof define&&define.amd?define(["exports"],n):n((t="undefined"!=typeof globalThis?globalThis:t||self).d3=t.d3||{})}(this,(function(t){"use strict";function n(t,n){return 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2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Am(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Sm.prototype={areaStart:Mm,areaEnd:Mm,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Am(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Em.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Am(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};class 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3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Im(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Lm=function t(n){function e(t){return n?new Ym(t,n):new qm(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);function 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arguments.length?n(Gm(t)):n()._curve},t}function Km(t,n){return[(n=+n)*Math.cos(t-=Math.PI/2),n*Math.sin(t)]}Xm.prototype={areaStart:function(){this._curve.areaStart()},areaEnd:function(){this._curve.areaEnd()},lineStart:function(){this._curve.lineStart()},lineEnd:function(){this._curve.lineEnd()},point:function(t,n){this._curve.point(n*Math.sin(t),n*-Math.cos(t))}};class Qm{constructor(t,n){this._context=t,this._x=n}areaStart(){this._line=0}areaEnd(){this._line=NaN}lineStart(){this._point=0}lineEnd(){(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line}point(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:this._x?this._context.bezierCurveTo(this._x0=(this._x0+t)/2,this._y0,this._x0,n,t,n):this._context.bezierCurveTo(this._x0,this._y0=(this._y0+n)/2,t,this._y0,t,n)}this._x0=t,this._y0=n}}class Jm{constructor(t){this._context=t}lineStart(){this._point=0}lineEnd(){}point(t,n){if(t=+t,n=+n,0===this._point)this._point=1;else{const e=Km(this._x0,this._y0),r=Km(this._x0,this._y0=(this._y0+n)/2),i=Km(t,this._y0),o=Km(t,n);this._context.moveTo(...e),this._context.bezierCurveTo(...r,...i,...o)}this._x0=t,this._y0=n}}function tx(t){return new Qm(t,!0)}function nx(t){return new Qm(t,!1)}function ex(t){return new Jm(t)}function rx(t){return t.source}function ix(t){return t.target}function ox(t){let n=rx,e=ix,r=Im,i=Om,o=null,a=null,u=Nm(c);function c(){let c;const f=Rm.call(arguments),s=n.apply(this,f),l=e.apply(this,f);if(null==o&&(a=t(c=u())),a.lineStart(),f[0]=s,a.point(+r.apply(this,f),+i.apply(this,f)),f[0]=l,a.point(+r.apply(this,f),+i.apply(this,f)),a.lineEnd(),c)return a=null,c+""||null}return c.source=function(t){return arguments.length?(n=t,c):n},c.target=function(t){return arguments.length?(e=t,c):e},c.x=function(t){return arguments.length?(r="function"==typeof t?t:gm(+t),c):r},c.y=function(t){return arguments.length?(i="function"==typeof t?t:gm(+t),c):i},c.context=function(n){return arguments.length?(null==n?o=a=null:a=t(o=n),c):o},c}const ax=wm(3);var ux={draw(t,n){const e=.59436*wm(n+mm(n/28,.75)),r=e/2,i=r*ax;t.moveTo(0,e),t.lineTo(0,-e),t.moveTo(-i,-r),t.lineTo(i,r),t.moveTo(-i,r),t.lineTo(i,-r)}},cx={draw(t,n){const e=wm(n/Tm);t.moveTo(e,0),t.arc(0,0,e,0,Sm)}},fx={draw(t,n){const e=wm(n/5)/2;t.moveTo(-3*e,-e),t.lineTo(-e,-e),t.lineTo(-e,-3*e),t.lineTo(e,-3*e),t.lineTo(e,-e),t.lineTo(3*e,-e),t.lineTo(3*e,e),t.lineTo(e,e),t.lineTo(e,3*e),t.lineTo(-e,3*e),t.lineTo(-e,e),t.lineTo(-3*e,e),t.closePath()}};const sx=wm(1/3),lx=2*sx;var hx={draw(t,n){const e=wm(n/lx),r=e*sx;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},dx={draw(t,n){const e=.62625*wm(n);t.moveTo(0,-e),t.lineTo(e,0),t.lineTo(0,e),t.lineTo(-e,0),t.closePath()}},px={draw(t,n){const e=.87559*wm(n-mm(n/7,2));t.moveTo(-e,0),t.lineTo(e,0),t.moveTo(0,e),t.lineTo(0,-e)}},gx={draw(t,n){const e=wm(n),r=-e/2;t.rect(r,r,e,e)}},yx={draw(t,n){const e=.4431*wm(n);t.moveTo(e,e),t.lineTo(e,-e),t.lineTo(-e,-e),t.lineTo(-e,e),t.closePath()}};const vx=xm(Tm/10)/xm(7*Tm/10),_x=xm(Sm/10)*vx,bx=-_m(Sm/10)*vx;var mx={draw(t,n){const e=wm(.8908130915292852*n),r=_x*e,i=bx*e;t.moveTo(0,-e),t.lineTo(r,i);for(let n=1;n<5;++n){const o=Sm*n/5,a=_m(o),u=xm(o);t.lineTo(u*e,-a*e),t.lineTo(a*r-u*i,u*r+a*i)}t.closePath()}};const xx=wm(3);var wx={draw(t,n){const e=-wm(n/(3*xx));t.moveTo(0,2*e),t.lineTo(-xx*e,-e),t.lineTo(xx*e,-e),t.closePath()}};const Mx=wm(3);var Tx={draw(t,n){const e=.6824*wm(n),r=e/2,i=e*Mx/2;t.moveTo(0,-e),t.lineTo(i,r),t.lineTo(-i,r),t.closePath()}};const Ax=-.5,Sx=wm(3)/2,Ex=1/wm(12),Nx=3*(Ex/2+1);var kx={draw(t,n){const e=wm(n/Nx),r=e/2,i=e*Ex,o=r,a=e*Ex+e,u=-o,c=a;t.moveTo(r,i),t.lineTo(o,a),t.lineTo(u,c),t.lineTo(Ax*r-Sx*i,Sx*r+Ax*i),t.lineTo(Ax*o-Sx*a,Sx*o+Ax*a),t.lineTo(Ax*u-Sx*c,Sx*u+Ax*c),t.lineTo(Ax*r+Sx*i,Ax*i-Sx*r),t.lineTo(Ax*o+Sx*a,Ax*a-Sx*o),t.lineTo(Ax*u+Sx*c,Ax*c-Sx*u),t.closePath()}},Cx={draw(t,n){const e=.6189*wm(n-mm(n/6,1.7));t.moveTo(-e,-e),t.lineTo(e,e),t.moveTo(-e,e),t.lineTo(e,-e)}};const Px=[cx,fx,hx,gx,mx,wx,kx],zx=[cx,px,Cx,Tx,ux,yx,dx];function $x(){}function Dx(t,n,e){t._context.bezierCurveTo((2*t._x0+t._x1)/3,(2*t._y0+t._y1)/3,(t._x0+2*t._x1)/3,(t._y0+2*t._y1)/3,(t._x0+4*t._x1+n)/6,(t._y0+4*t._y1+e)/6)}function Rx(t){this._context=t}function Fx(t){this._context=t}function qx(t){this._context=t}function Ux(t,n){this._basis=new Rx(t),this._beta=n}Rx.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 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3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Dx(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},qx.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Dx(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Ux.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var r,i=t[0],o=n[0],a=t[e]-i,u=n[e]-o,c=-1;++c<=e;)r=c/e,this._basis.point(this._beta*t[c]+(1-this._beta)*(i+r*a),this._beta*n[c]+(1-this._beta)*(o+r*u));this._x=this._y=null,this._basis.lineEnd()},point:function(t,n){this._x.push(+t),this._y.push(+n)}};var Ix=function t(n){function e(t){return 1===n?new Rx(t):new Ux(t,n)}return e.beta=function(n){return t(+n)},e}(.85);function Ox(t,n,e){t._context.bezierCurveTo(t._x1+t._k*(t._x2-t._x0),t._y1+t._k*(t._y2-t._y0),t._x2+t._k*(t._x1-n),t._y2+t._k*(t._y1-e),t._x2,t._y2)}function Bx(t,n){this._context=t,this._k=(1-n)/6}Bx.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:Ox(this,this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2,this._x1=t,this._y1=n;break;case 2:this._point=3;default:Ox(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Yx=function t(n){function e(t){return new Bx(t,n)}return e.tension=function(n){return t(+n)},e}(0);function Lx(t,n){this._context=t,this._k=(1-n)/6}Lx.prototype={areaStart:$x,areaEnd:$x,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Ox(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var jx=function t(n){function e(t){return new Lx(t,n)}return e.tension=function(n){return t(+n)},e}(0);function 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NaN - : a < b ? -1 - : a > b ? 1 - : a >= b ? 0 + : b < a ? -1 + : b > a ? 1 + : b >= a ? 0 : NaN; } function bisector(f) { - let delta = f; - let compare = f; - - if (f.length === 1) { + let compare1, compare2, delta; + + // If an accessor is specified, promote it to a comparator. In this case we + // can test whether the search value is (self-) comparable. We can’t do this + // for a comparator (except for specific, known comparators) because we can’t + // tell if the comparator is symmetric, and an asymmetric comparator can’t be + // used to test whether a single value is comparable. + if (f.length !== 2) { + compare1 = ascending$3; + compare2 = (d, x) => ascending$3(f(d), x); delta = (d, x) => f(d) - x; - compare = ascendingComparator(f); + } else { + compare1 = f === ascending$3 || f === descending$2 ? f : zero$1; + compare2 = f; + delta = f; } - function left(a, x, lo, hi) { - if (lo == null) lo = 0; - if (hi == null) hi = a.length; - while (lo < hi) { - const mid = (lo + hi) >>> 1; - if (compare(a[mid], x) < 0) lo = mid + 1; - else hi = mid; + function left(a, x, lo = 0, hi = a.length) { + if (lo < hi) { + if (compare1(x, x) !== 0) return hi; + do { + const mid = (lo + hi) >>> 1; + if (compare2(a[mid], x) < 0) lo = mid + 1; + else hi = mid; + } while (lo < hi); } return lo; } - function right(a, x, lo, hi) { - if (lo == null) lo = 0; - if (hi == null) hi = a.length; - while (lo < hi) { - const mid = (lo + hi) >>> 1; - if (compare(a[mid], x) > 0) hi = mid; - else lo = mid + 1; + function right(a, x, lo = 0, hi = a.length) { + if (lo < hi) { + if (compare1(x, x) !== 0) return hi; + do { + const mid = (lo + hi) >>> 1; + if (compare2(a[mid], x) <= 0) lo = mid + 1; + else hi = mid; + } while (lo < hi); } return lo; } - function center(a, x, lo, hi) { - if (lo == null) lo = 0; - if (hi == null) hi = a.length; + function center(a, x, lo = 0, hi = a.length) { const i = left(a, x, lo, hi - 1); return i > lo && delta(a[i - 1], x) > -delta(a[i], x) ? i - 1 : i; } @@ -56,8 +69,8 @@ function bisector(f) { return {left, center, right}; } -function ascendingComparator(f) { - return (d, x) => ascending$3(f(d), x); +function zero$1() { + return 0; } function number$3(x) { @@ -85,6 +98,123 @@ const ascendingBisect = bisector(ascending$3); const bisectRight = ascendingBisect.right; const bisectLeft = ascendingBisect.left; const bisectCenter = bisector(number$3).center; +var bisect = bisectRight; + +function blur(values, r) { + if (!((r = +r) >= 0)) throw new RangeError("invalid r"); + let length = values.length; + if (!((length = Math.floor(length)) >= 0)) throw new RangeError("invalid length"); + if (!length || !r) return values; + const blur = blurf(r); + const temp = values.slice(); + blur(values, temp, 0, length, 1); + blur(temp, values, 0, length, 1); + blur(values, temp, 0, length, 1); + return values; +} + +const blur2 = Blur2(blurf); + +const blurImage = Blur2(blurfImage); + +function Blur2(blur) { + return function(data, rx, ry = rx) { + if (!((rx = +rx) >= 0)) throw new RangeError("invalid rx"); + if (!((ry = +ry) >= 0)) throw new RangeError("invalid ry"); + let {data: values, width, height} = data; + if (!((width = Math.floor(width)) >= 0)) throw new RangeError("invalid width"); + if (!((height = Math.floor(height !== undefined ? height : values.length / width)) >= 0)) throw new RangeError("invalid height"); + if (!width || !height || (!rx && !ry)) return data; + const blurx = rx && blur(rx); + const blury = ry && blur(ry); + const temp = values.slice(); + if (blurx && blury) { + blurh(blurx, temp, values, width, height); + blurh(blurx, values, temp, width, height); + blurh(blurx, temp, values, width, height); + blurv(blury, values, temp, width, height); + blurv(blury, temp, values, width, height); + blurv(blury, values, temp, width, height); + } else if (blurx) { + blurh(blurx, values, temp, width, height); + blurh(blurx, temp, values, width, height); + blurh(blurx, values, temp, width, height); + } else if (blury) { + blurv(blury, values, temp, width, height); + blurv(blury, temp, values, width, height); + blurv(blury, values, temp, width, height); + } + return data; + }; +} + +function blurh(blur, T, S, w, h) { + for (let y = 0, n = w * h; y < n;) { + blur(T, S, y, y += w, 1); + } +} + +function blurv(blur, T, S, w, h) { + for (let x = 0, n = w * h; x < w; ++x) { + blur(T, S, x, x + n, w); + } +} + +function blurfImage(radius) { + const blur = blurf(radius); + return (T, S, start, stop, step) => { + start <<= 2, stop <<= 2, step <<= 2; + blur(T, S, start + 0, stop + 0, step); + blur(T, S, start + 1, stop + 1, step); + blur(T, S, start + 2, stop + 2, step); + blur(T, S, start + 3, stop + 3, step); + }; +} + +// Given a target array T, a source array S, sets each value T[i] to the average +// of {S[i - r], …, S[i], …, S[i + r]}, where r = ⌊radius⌋, start <= i < stop, +// for each i, i + step, i + 2 * step, etc., and where S[j] is clamped between +// S[start] (inclusive) and S[stop] (exclusive). If the given radius is not an +// integer, S[i - r - 1] and S[i + r + 1] are added to the sum, each weighted +// according to r - ⌊radius⌋. +function blurf(radius) { + const radius0 = Math.floor(radius); + if (radius0 === radius) return bluri(radius); + const t = radius - radius0; + const w = 2 * radius + 1; + return (T, S, start, stop, step) => { // stop must be aligned! + if (!((stop -= step) >= start)) return; // inclusive stop + let sum = radius0 * S[start]; + const s0 = step * radius0; + const s1 = s0 + step; + for (let i = start, j = start + s0; i < j; i += step) { + sum += S[Math.min(stop, i)]; + } + for (let i = start, j = stop; i <= j; i += step) { + sum += S[Math.min(stop, i + s0)]; + T[i] = (sum + t * (S[Math.max(start, i - s1)] + S[Math.min(stop, i + s1)])) / w; + sum -= S[Math.max(start, i - s0)]; + } + }; +} + +// Like blurf, but optimized for integer radius. +function bluri(radius) { + const w = 2 * radius + 1; + return (T, S, start, stop, step) => { // stop must be aligned! + if (!((stop -= step) >= start)) return; // inclusive stop + let sum = radius * S[start]; + const s = step * radius; + for (let i = start, j = start + s; i < j; i += step) { + sum += S[Math.min(stop, i)]; + } + for (let i = start, j = stop; i <= j; i += step) { + sum += S[Math.min(stop, i + s)]; + T[i] = sum / w; + sum -= S[Math.max(start, i - s)]; + } + }; +} function count$1(values, valueof) { let count = 0; @@ -146,14 +276,6 @@ function cumsum(values, valueof) { : v => (sum += +valueof(v, index++, values) || 0)); } -function descending$2(a, b) { - return a == null || b == null ? NaN - : b < a ? -1 - : b > a ? 1 - : b >= a ? 0 - : NaN; -} - function variance(values, valueof) { let count = 0; let delta; @@ -337,7 +459,7 @@ function intern_set({_intern, _key}, value) { function intern_delete({_intern, _key}, value) { const key = _key(value); if (_intern.has(key)) { - value = _intern.get(value); + value = _intern.get(key); _intern.delete(key); } return value; @@ -421,28 +543,42 @@ function permute(source, keys) { function sort(values, ...F) { if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable"); values = Array.from(values); - let [f = ascending$3] = F; - if (f.length === 1 || F.length > 1) { + let [f] = F; + if ((f && f.length !== 2) || F.length > 1) { const index = Uint32Array.from(values, (d, i) => i); if (F.length > 1) { F = F.map(f => values.map(f)); index.sort((i, j) => { for (const f of F) { - const c = ascending$3(f[i], f[j]); + const c = ascendingDefined(f[i], f[j]); if (c) return c; } }); } else { f = values.map(f); - index.sort((i, j) => ascending$3(f[i], f[j])); + index.sort((i, j) => ascendingDefined(f[i], f[j])); } return permute(values, index); } - return values.sort(f); + return values.sort(compareDefined(f)); +} + +function compareDefined(compare = ascending$3) { + if (compare === ascending$3) return ascendingDefined; + if (typeof compare !== "function") throw new TypeError("compare is not a function"); + return (a, b) => { + const x = compare(a, b); + if (x || x === 0) return x; + return (compare(b, b) === 0) - (compare(a, a) === 0); + }; +} + +function ascendingDefined(a, b) { + return (a == null || !(a >= a)) - (b == null || !(b >= b)) || (a < b ? -1 : a > b ? 1 : 0); } function groupSort(values, reduce, key) { - return (reduce.length === 1 + return (reduce.length !== 2 ? sort(rollup(values, reduce, key), (([ak, av], [bk, bv]) => ascending$3(av, bv) || ascending$3(ak, bk))) : sort(group(values, key), (([ak, av], [bk, bv]) => reduce(av, bv) || ascending$3(ak, bk)))) .map(([key]) => key); @@ -453,64 +589,63 @@ var array$5 = Array.prototype; var slice$3 = array$5.slice; function constant$b(x) { - return function() { - return x; - }; + return () => x; } -var e10 = Math.sqrt(50), +const e10 = Math.sqrt(50), e5 = Math.sqrt(10), e2 = Math.sqrt(2); -function ticks(start, stop, count) { - var reverse, - i = -1, - n, - ticks, - step; +function tickSpec(start, stop, count) { + const step = (stop - start) / Math.max(0, count), + power = Math.floor(Math.log10(step)), + error = step / Math.pow(10, power), + factor = error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1; + let i1, i2, inc; + if (power < 0) { + inc = Math.pow(10, -power) / factor; + i1 = Math.round(start * inc); + i2 = Math.round(stop * inc); + if (i1 / inc < start) ++i1; + if (i2 / inc > stop) --i2; + inc = -inc; + } else { + inc = Math.pow(10, power) * factor; + i1 = Math.round(start / inc); + i2 = Math.round(stop / inc); + if (i1 * inc < start) ++i1; + if (i2 * inc > stop) --i2; + } + if (i2 < i1 && 0.5 <= count && count < 2) return tickSpec(start, stop, count * 2); + return [i1, i2, inc]; +} +function ticks(start, stop, count) { stop = +stop, start = +start, count = +count; - if (start === stop && count > 0) return [start]; - if (reverse = stop < start) n = start, start = stop, stop = n; - if ((step = tickIncrement(start, stop, count)) === 0 || !isFinite(step)) return []; - - if (step > 0) { - let r0 = Math.round(start / step), r1 = Math.round(stop / step); - if (r0 * step < start) ++r0; - if (r1 * step > stop) --r1; - ticks = new Array(n = r1 - r0 + 1); - while (++i < n) ticks[i] = (r0 + i) * step; + if (!(count > 0)) return []; + if (start === stop) return [start]; + const reverse = stop < start, [i1, i2, inc] = reverse ? tickSpec(stop, start, count) : tickSpec(start, stop, count); + if (!(i2 >= i1)) return []; + const n = i2 - i1 + 1, ticks = new Array(n); + if (reverse) { + if (inc < 0) for (let i = 0; i < n; ++i) ticks[i] = (i2 - i) / -inc; + else for (let i = 0; i < n; ++i) ticks[i] = (i2 - i) * inc; } else { - step = -step; - let r0 = Math.round(start * step), r1 = Math.round(stop * step); - if (r0 / step < start) ++r0; - if (r1 / step > stop) --r1; - ticks = new Array(n = r1 - r0 + 1); - while (++i < n) ticks[i] = (r0 + i) / step; + if (inc < 0) for (let i = 0; i < n; ++i) ticks[i] = (i1 + i) / -inc; + else for (let i = 0; i < n; ++i) ticks[i] = (i1 + i) * inc; } - - if (reverse) ticks.reverse(); - return ticks; } function tickIncrement(start, stop, count) { - var step = (stop - start) / Math.max(0, count), - power = Math.floor(Math.log(step) / Math.LN10), - error = step / Math.pow(10, power); - return power >= 0 - ? (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1) * Math.pow(10, power) - : -Math.pow(10, -power) / (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1); + stop = +stop, start = +start, count = +count; + return tickSpec(start, stop, count)[2]; } function tickStep(start, stop, count) { - var step0 = Math.abs(stop - start) / Math.max(0, count), - step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)), - error = step0 / step1; - if (error >= e10) step1 *= 10; - else if (error >= e5) step1 *= 5; - else if (error >= e2) step1 *= 2; - return stop < start ? -step1 : step1; + stop = +stop, start = +start, count = +count; + const reverse = stop < start, inc = reverse ? tickIncrement(stop, start, count) : tickIncrement(start, stop, count); + return (reverse ? -1 : 1) * (inc < 0 ? 1 / -inc : inc); } function nice$1(start, stop, count) { @@ -531,7 +666,7 @@ function nice$1(start, stop, count) { } function thresholdSturges(values) { - return Math.ceil(Math.log(count$1(values)) / Math.LN2) + 1; + return Math.max(1, Math.ceil(Math.log(count$1(values)) / Math.LN2) + 1); } function bin() { @@ -545,6 +680,7 @@ function bin() { var i, n = data.length, x, + step, values = new Array(n); for (i = 0; i < n; ++i) { @@ -563,6 +699,11 @@ function bin() { if (domain === extent$1) [x0, x1] = nice$1(x0, x1, tn); tz = ticks(x0, x1, tn); + // If the domain is aligned with the first tick (which it will by + // default), then we can use quantization rather than bisection to bin + // values, which is substantially faster. + if (tz[0] <= x0) step = tickIncrement(x0, x1, tn); + // If the last threshold is coincident with the domain’s upper bound, the // last bin will be zero-width. If the default domain is used, and this // last threshold is coincident with the maximum input value, we can @@ -587,9 +728,11 @@ function bin() { } // Remove any thresholds outside the domain. - var m = tz.length; - while (tz[0] <= x0) tz.shift(), --m; - while (tz[m - 1] > x1) tz.pop(), --m; + // Be careful not to mutate an array owned by the user! + var m = tz.length, a = 0, b = m; + while (tz[a] <= x0) ++a; + while (tz[b - 1] > x1) --b; + if (a || b < m) tz = tz.slice(a, b), m = b - a; var bins = new Array(m + 1), bin; @@ -602,10 +745,26 @@ function bin() { } // Assign data to bins by value, ignoring any outside the domain. - for (i = 0; i < n; ++i) { - x = values[i]; - if (x != null && x0 <= x && x <= x1) { - bins[bisectRight(tz, x, 0, m)].push(data[i]); + if (isFinite(step)) { + if (step > 0) { + for (i = 0; i < n; ++i) { + if ((x = values[i]) != null && x0 <= x && x <= x1) { + bins[Math.min(m, Math.floor((x - x0) / step))].push(data[i]); + } + } + } else if (step < 0) { + for (i = 0; i < n; ++i) { + if ((x = values[i]) != null && x0 <= x && x <= x1) { + const j = Math.floor((x0 - x) * step); + bins[Math.min(m, j + (tz[j] <= x))].push(data[i]); // handle off-by-one due to rounding + } + } + } + } else { + for (i = 0; i < n; ++i) { + if ((x = values[i]) != null && x0 <= x && x <= x1) { + bins[bisect(tz, x, 0, m)].push(data[i]); + } } } @@ -621,7 +780,7 @@ function bin() { }; histogram.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$b(slice$3.call(_)) : constant$b(_), histogram) : threshold; + return arguments.length ? (threshold = typeof _ === "function" ? _ : constant$b(Array.isArray(_) ? slice$3.call(_) : _), histogram) : threshold; }; return histogram; @@ -648,6 +807,29 @@ function max$3(values, valueof) { return max; } +function maxIndex(values, valueof) { + let max; + let maxIndex = -1; + let index = -1; + if (valueof === undefined) { + for (const value of values) { + ++index; + if (value != null + && (max < value || (max === undefined && value >= value))) { + max = value, maxIndex = index; + } + } + } else { + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null + && (max < value || (max === undefined && value >= value))) { + max = value, maxIndex = index; + } + } + } + return maxIndex; +} + function min$2(values, valueof) { let min; if (valueof === undefined) { @@ -669,9 +851,40 @@ function min$2(values, valueof) { return min; } +function minIndex(values, valueof) { + let min; + let minIndex = -1; + let index = -1; + if (valueof === undefined) { + for (const value of values) { + ++index; + if (value != null + && (min > value || (min === undefined && value >= value))) { + min = value, minIndex = index; + } + } + } else { + for (let value of values) { + if ((value = valueof(value, ++index, values)) != null + && (min > value || (min === undefined && value >= value))) { + min = value, minIndex = index; + } + } + } + return minIndex; +} + // Based on https://github.com/mourner/quickselect // ISC license, Copyright 2018 Vladimir Agafonkin. -function quickselect(array, k, left = 0, right = array.length - 1, compare = ascending$3) { +function quickselect(array, k, left = 0, right = Infinity, compare) { + k = Math.floor(k); + left = Math.floor(Math.max(0, left)); + right = Math.floor(Math.min(array.length - 1, right)); + + if (!(left <= k && k <= right)) return array; + + compare = compare === undefined ? ascendingDefined : compareDefined(compare); + while (right > left) { if (right - left > 600) { const n = right - left + 1; @@ -703,6 +916,7 @@ function quickselect(array, k, left = 0, right = array.length - 1, compare = asc if (j <= k) left = j + 1; if (k <= j) right = j - 1; } + return array; } @@ -712,10 +926,38 @@ function swap$1(array, i, j) { array[j] = t; } +function greatest(values, compare = ascending$3) { + let max; + let defined = false; + if (compare.length === 1) { + let maxValue; + for (const element of values) { + const value = compare(element); + if (defined + ? ascending$3(value, maxValue) > 0 + : ascending$3(value, value) === 0) { + max = element; + maxValue = value; + defined = true; + } + } + } else { + for (const value of values) { + if (defined + ? compare(value, max) > 0 + : compare(value, value) === 0) { + max = value; + defined = true; + } + } + } + return max; +} + function quantile$1(values, p, valueof) { values = Float64Array.from(numbers(values, valueof)); - if (!(n = values.length)) return; - if ((p = +p) <= 0 || n < 2) return min$2(values); + if (!(n = values.length) || isNaN(p = +p)) return; + if (p <= 0 || n < 2) return min$2(values); if (p >= 1) return max$3(values); var n, i = (n - 1) * p, @@ -726,8 +968,8 @@ function quantile$1(values, p, valueof) { } function quantileSorted(values, p, valueof = number$3) { - if (!(n = values.length)) return; - if ((p = +p) <= 0 || n < 2) return +valueof(values[0], 0, values); + if (!(n = values.length) || isNaN(p = +p)) return; + if (p <= 0 || n < 2) return +valueof(values[0], 0, values); if (p >= 1) return +valueof(values[n - 1], n - 1, values); var n, i = (n - 1) * p, @@ -737,35 +979,28 @@ function quantileSorted(values, p, valueof = number$3) { return value0 + (value1 - value0) * (i - i0); } -function freedmanDiaconis(values, min, max) { - return Math.ceil((max - min) / (2 * (quantile$1(values, 0.75) - quantile$1(values, 0.25)) * Math.pow(count$1(values), -1 / 3))); +function quantileIndex(values, p, valueof = number$3) { + if (isNaN(p = +p)) return; + numbers = Float64Array.from(values, (_, i) => number$3(valueof(values[i], i, values))); + if (p <= 0) return minIndex(numbers); + if (p >= 1) return maxIndex(numbers); + var numbers, + index = Uint32Array.from(values, (_, i) => i), + j = numbers.length - 1, + i = Math.floor(j * p); + quickselect(index, i, 0, j, (i, j) => ascendingDefined(numbers[i], numbers[j])); + i = greatest(index.subarray(0, i + 1), (i) => numbers[i]); + return i >= 0 ? i : -1; } -function scott(values, min, max) { - return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(count$1(values), -1 / 3))); +function thresholdFreedmanDiaconis(values, min, max) { + const c = count$1(values), d = quantile$1(values, 0.75) - quantile$1(values, 0.25); + return c && d ? Math.ceil((max - min) / (2 * d * Math.pow(c, -1 / 3))) : 1; } -function maxIndex(values, valueof) { - let max; - let maxIndex = -1; - let index = -1; - if (valueof === undefined) { - for (const value of values) { - ++index; - if (value != null - && (max < value || (max === undefined && value >= value))) { - max = value, maxIndex = index; - } - } - } else { - for (let value of values) { - if ((value = valueof(value, ++index, values)) != null - && (max < value || (max === undefined && value >= value))) { - max = value, maxIndex = index; - } - } - } - return maxIndex; +function thresholdScott(values, min, max) { + const c = count$1(values), d = deviation(values); + return c && d ? Math.ceil((max - min) * Math.cbrt(c) / (3.49 * d)) : 1; } function mean(values, valueof) { @@ -792,6 +1027,10 @@ function median(values, valueof) { return quantile$1(values, 0.5, valueof); } +function medianIndex(values, valueof) { + return quantileIndex(values, 0.5, valueof); +} + function* flatten(arrays) { for (const array of arrays) { yield* array; @@ -802,29 +1041,6 @@ function merge(arrays) { return Array.from(flatten(arrays)); } -function minIndex(values, valueof) { - let min; - let minIndex = -1; - let index = -1; - if (valueof === undefined) { - for (const value of values) { - ++index; - if (value != null - && (min > value || (min === undefined && value >= value))) { - min = value, minIndex = index; - } - } - } else { - for (let value of values) { - if ((value = valueof(value, ++index, values)) != null - && (min > value || (min === undefined && value >= value))) { - min = value, minIndex = index; - } - } - } - return minIndex; -} - function mode(values, valueof) { const counts = new InternMap(); if (valueof === undefined) { @@ -868,7 +1084,7 @@ function pair(a, b) { return [a, b]; } -function sequence(start, stop, step) { +function range$2(start, stop, step) { start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; var i = -1, @@ -882,6 +1098,28 @@ function sequence(start, stop, step) { return range; } +function rank(values, valueof = ascending$3) { + if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable"); + let V = Array.from(values); + const R = new Float64Array(V.length); + if (valueof.length !== 2) V = V.map(valueof), valueof = ascending$3; + const compareIndex = (i, j) => valueof(V[i], V[j]); + let k, r; + values = Uint32Array.from(V, (_, i) => i); + // Risky chaining due to Safari 14 https://github.com/d3/d3-array/issues/123 + values.sort(valueof === ascending$3 ? (i, j) => ascendingDefined(V[i], V[j]) : compareDefined(compareIndex)); + values.forEach((j, i) => { + const c = compareIndex(j, k === undefined ? j : k); + if (c >= 0) { + if (k === undefined || c > 0) k = j, r = i; + R[j] = r; + } else { + R[j] = NaN; + } + }); + return R; +} + function least(values, compare = ascending$3) { let min; let defined = false; @@ -927,34 +1165,6 @@ function leastIndex(values, compare = ascending$3) { return min; } -function greatest(values, compare = ascending$3) { - let max; - let defined = false; - if (compare.length === 1) { - let maxValue; - for (const element of values) { - const value = compare(element); - if (defined - ? ascending$3(value, maxValue) > 0 - : ascending$3(value, value) === 0) { - max = element; - maxValue = value; - defined = true; - } - } - } else { - for (const value of values) { - if (defined - ? compare(value, max) > 0 - : compare(value, value) === 0) { - max = value; - defined = true; - } - } - } - return max; -} - function greatestIndex(values, compare = ascending$3) { if (compare.length === 1) return maxIndex(values, compare); let maxValue; @@ -1089,7 +1299,7 @@ function reverse$1(values) { } function difference(values, ...others) { - values = new Set(values); + values = new InternSet(values); for (const other of others) { for (const value of other) { values.delete(value); @@ -1099,7 +1309,7 @@ function difference(values, ...others) { } function disjoint(values, other) { - const iterator = other[Symbol.iterator](), set = new Set(); + const iterator = other[Symbol.iterator](), set = new InternSet(); for (const v of values) { if (set.has(v)) return false; let value, done; @@ -1112,12 +1322,8 @@ function disjoint(values, other) { return true; } -function set$2(values) { - return values instanceof Set ? values : new Set(values); -} - function intersection(values, ...others) { - values = new Set(values); + values = new InternSet(values); others = others.map(set$2); out: for (const value of values) { for (const other of others) { @@ -1130,26 +1336,36 @@ function intersection(values, ...others) { return values; } +function set$2(values) { + return values instanceof InternSet ? values : new InternSet(values); +} + function superset(values, other) { const iterator = values[Symbol.iterator](), set = new Set(); for (const o of other) { - if (set.has(o)) continue; + const io = intern(o); + if (set.has(io)) continue; let value, done; while (({value, done} = iterator.next())) { if (done) return false; - set.add(value); - if (Object.is(o, value)) break; + const ivalue = intern(value); + set.add(ivalue); + if (Object.is(io, ivalue)) break; } } return true; } +function intern(value) { + return value !== null && typeof value === "object" ? value.valueOf() : value; +} + function subset(values, other) { return superset(other, values); } function union(...others) { - const set = new Set(); + const set = new InternSet(); for (const other of others) { for (const o of other) { set.add(o); @@ -2690,15 +2906,15 @@ var darker = 0.7; var brighter = 1 / darker; var reI = "\\s*([+-]?\\d+)\\s*", - reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*", - reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*", + reN = "\\s*([+-]?(?:\\d*\\.)?\\d+(?:[eE][+-]?\\d+)?)\\s*", + reP = "\\s*([+-]?(?:\\d*\\.)?\\d+(?:[eE][+-]?\\d+)?)%\\s*", reHex = /^#([0-9a-f]{3,8})$/, - reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"), - reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"), - reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"), - reRgbaPercent = new RegExp("^rgba\\(" + [reP, reP, reP, reN] + "\\)$"), - reHslPercent = new RegExp("^hsl\\(" + [reN, reP, reP] + "\\)$"), - reHslaPercent = new RegExp("^hsla\\(" + [reN, reP, reP, reN] + "\\)$"); + reRgbInteger = new RegExp(`^rgb\\(${reI},${reI},${reI}\\)$`), + reRgbPercent = new RegExp(`^rgb\\(${reP},${reP},${reP}\\)$`), + reRgbaInteger = new RegExp(`^rgba\\(${reI},${reI},${reI},${reN}\\)$`), + reRgbaPercent = new RegExp(`^rgba\\(${reP},${reP},${reP},${reN}\\)$`), + reHslPercent = new RegExp(`^hsl\\(${reN},${reP},${reP}\\)$`), + reHslaPercent = new RegExp(`^hsla\\(${reN},${reP},${reP},${reN}\\)$`); var named = { aliceblue: 0xf0f8ff, @@ -2852,14 +3068,15 @@ var named = { }; define(Color, color, { - copy: function(channels) { + copy(channels) { return Object.assign(new this.constructor, this, channels); }, - displayable: function() { + displayable() { return this.rgb().displayable(); }, hex: color_formatHex, // Deprecated! Use color.formatHex. formatHex: color_formatHex, + formatHex8: color_formatHex8, formatHsl: color_formatHsl, formatRgb: color_formatRgb, toString: color_formatRgb @@ -2869,6 +3086,10 @@ function color_formatHex() { return this.rgb().formatHex(); } +function color_formatHex8() { + return this.rgb().formatHex8(); +} + function color_formatHsl() { return hslConvert(this).formatHsl(); } @@ -2924,18 +3145,21 @@ function Rgb(r, g, b, opacity) { } define(Rgb, rgb, extend(Color, { - brighter: function(k) { + brighter(k) { k = k == null ? brighter : Math.pow(brighter, k); return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); }, - darker: function(k) { + darker(k) { k = k == null ? darker : Math.pow(darker, k); return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); }, - rgb: function() { + rgb() { return this; }, - displayable: function() { + clamp() { + return new Rgb(clampi(this.r), clampi(this.g), clampi(this.b), clampa(this.opacity)); + }, + displayable() { return (-0.5 <= this.r && this.r < 255.5) && (-0.5 <= this.g && this.g < 255.5) && (-0.5 <= this.b && this.b < 255.5) @@ -2943,25 +3167,34 @@ define(Rgb, rgb, extend(Color, { }, hex: rgb_formatHex, // Deprecated! Use color.formatHex. formatHex: rgb_formatHex, + formatHex8: rgb_formatHex8, formatRgb: rgb_formatRgb, toString: rgb_formatRgb })); function rgb_formatHex() { - return "#" + hex(this.r) + hex(this.g) + hex(this.b); + return `#${hex(this.r)}${hex(this.g)}${hex(this.b)}`; +} + +function rgb_formatHex8() { + return `#${hex(this.r)}${hex(this.g)}${hex(this.b)}${hex((isNaN(this.opacity) ? 1 : this.opacity) * 255)}`; } function rgb_formatRgb() { - var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); - return (a === 1 ? "rgb(" : "rgba(") - + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.b) || 0)) - + (a === 1 ? ")" : ", " + a + ")"); + const a = clampa(this.opacity); + return `${a === 1 ? "rgb(" : "rgba("}${clampi(this.r)}, ${clampi(this.g)}, ${clampi(this.b)}${a === 1 ? ")" : `, ${a})`}`; +} + +function clampa(opacity) { + return isNaN(opacity) ? 1 : Math.max(0, Math.min(1, opacity)); +} + +function clampi(value) { + return Math.max(0, Math.min(255, Math.round(value) || 0)); } function hex(value) { - value = Math.max(0, Math.min(255, Math.round(value) || 0)); + value = clampi(value); return (value < 16 ? "0" : "") + value.toString(16); } @@ -3010,15 +3243,15 @@ function Hsl(h, s, l, opacity) { } define(Hsl, hsl$2, extend(Color, { - brighter: function(k) { + brighter(k) { k = k == null ? brighter : Math.pow(brighter, k); return new Hsl(this.h, this.s, this.l * k, this.opacity); }, - darker: function(k) { + darker(k) { k = k == null ? darker : Math.pow(darker, k); return new Hsl(this.h, this.s, this.l * k, this.opacity); }, - rgb: function() { + rgb() { var h = this.h % 360 + (this.h < 0) * 360, s = isNaN(h) || isNaN(this.s) ? 0 : this.s, l = this.l, @@ -3031,21 +3264,29 @@ define(Hsl, hsl$2, extend(Color, { this.opacity ); }, - displayable: function() { + clamp() { + return new Hsl(clamph(this.h), clampt(this.s), clampt(this.l), clampa(this.opacity)); + }, + displayable() { return (0 <= this.s && this.s <= 1 || isNaN(this.s)) && (0 <= this.l && this.l <= 1) && (0 <= this.opacity && this.opacity <= 1); }, - formatHsl: function() { - var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); - return (a === 1 ? "hsl(" : "hsla(") - + (this.h || 0) + ", " - + (this.s || 0) * 100 + "%, " - + (this.l || 0) * 100 + "%" - + (a === 1 ? ")" : ", " + a + ")"); + formatHsl() { + const a = clampa(this.opacity); + return `${a === 1 ? "hsl(" : "hsla("}${clamph(this.h)}, ${clampt(this.s) * 100}%, ${clampt(this.l) * 100}%${a === 1 ? ")" : `, ${a})`}`; } })); +function clamph(value) { + value = (value || 0) % 360; + return value < 0 ? value + 360 : value; +} + +function clampt(value) { + return Math.max(0, Math.min(1, value || 0)); +} + /* From FvD 13.37, CSS Color Module Level 3 */ function hsl2rgb(h, m1, m2) { return (h < 60 ? m1 + (m2 - m1) * h / 60 @@ -3098,13 +3339,13 @@ function Lab(l, a, b, opacity) { } define(Lab, lab$1, extend(Color, { - brighter: function(k) { + brighter(k) { return new Lab(this.l + K * (k == null ? 1 : k), this.a, this.b, this.opacity); }, - darker: function(k) { + darker(k) { return new Lab(this.l - K * (k == null ? 1 : k), this.a, this.b, this.opacity); }, - rgb: function() { + rgb() { var y = (this.l + 16) / 116, x = isNaN(this.a) ? y : y + this.a / 500, z = isNaN(this.b) ? y : y - this.b / 200; @@ -3166,13 +3407,13 @@ function hcl2lab(o) { } define(Hcl, hcl$2, extend(Color, { - brighter: function(k) { + brighter(k) { return new Hcl(this.h, this.c, this.l + K * (k == null ? 1 : k), this.opacity); }, - darker: function(k) { + darker(k) { return new Hcl(this.h, this.c, this.l - K * (k == null ? 1 : k), this.opacity); }, - rgb: function() { + rgb() { return hcl2lab(this).rgb(); } })); @@ -3212,15 +3453,15 @@ function Cubehelix(h, s, l, opacity) { } define(Cubehelix, cubehelix$3, extend(Color, { - brighter: function(k) { + brighter(k) { k = k == null ? brighter : Math.pow(brighter, k); return new Cubehelix(this.h, this.s, this.l * k, this.opacity); }, - darker: function(k) { + darker(k) { k = k == null ? darker : Math.pow(darker, k); return new Cubehelix(this.h, this.s, this.l * k, this.opacity); }, - rgb: function() { + rgb() { var h = isNaN(this.h) ? 0 : (this.h + 120) * radians$1, l = +this.l, a = isNaN(this.s) ? 0 : this.s * l * (1 - l), @@ -5800,39 +6041,58 @@ const pi$2 = Math.PI, epsilon$4 = 1e-6, tauEpsilon = tau$3 - epsilon$4; -function Path$1() { - this._x0 = this._y0 = // start of current subpath - this._x1 = this._y1 = null; // end of current subpath - this._ = ""; +function append$1(strings) { + this._ += strings[0]; + for (let i = 1, n = strings.length; i < n; ++i) { + this._ += arguments[i] + strings[i]; + } } -function path() { - return new Path$1; +function appendRound$1(digits) { + let d = Math.floor(digits); + if (!(d >= 0)) throw new Error(`invalid digits: ${digits}`); + if (d > 15) return append$1; + const k = 10 ** d; + return function(strings) { + this._ += strings[0]; + for (let i = 1, n = strings.length; i < n; ++i) { + this._ += Math.round(arguments[i] * k) / k + strings[i]; + } + }; } -Path$1.prototype = path.prototype = { - constructor: Path$1, - moveTo: function(x, y) { - this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y); - }, - closePath: function() { +let Path$1 = class Path { + constructor(digits) { + this._x0 = this._y0 = // start of current subpath + this._x1 = this._y1 = null; // end of current subpath + this._ = ""; + this._append = digits == null ? append$1 : appendRound$1(digits); + } + moveTo(x, y) { + this._append`M${this._x0 = this._x1 = +x},${this._y0 = this._y1 = +y}`; + } + closePath() { if (this._x1 !== null) { this._x1 = this._x0, this._y1 = this._y0; - this._ += "Z"; + this._append`Z`; } - }, - lineTo: function(x, y) { - this._ += "L" + (this._x1 = +x) + "," + (this._y1 = +y); - }, - quadraticCurveTo: function(x1, y1, x, y) { - this._ += "Q" + (+x1) + "," + (+y1) + "," + (this._x1 = +x) + "," + (this._y1 = +y); - }, - bezierCurveTo: function(x1, y1, x2, y2, x, y) { - this._ += "C" + (+x1) + "," + (+y1) + "," + (+x2) + "," + (+y2) + "," + (this._x1 = +x) + "," + (this._y1 = +y); - }, - arcTo: function(x1, y1, x2, y2, r) { + } + lineTo(x, y) { + this._append`L${this._x1 = +x},${this._y1 = +y}`; + } + quadraticCurveTo(x1, y1, x, y) { + this._append`Q${+x1},${+y1},${this._x1 = +x},${this._y1 = +y}`; + } + bezierCurveTo(x1, y1, x2, y2, x, y) { + this._append`C${+x1},${+y1},${+x2},${+y2},${this._x1 = +x},${this._y1 = +y}`; + } + arcTo(x1, y1, x2, y2, r) { x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r; - var x0 = this._x1, + + // Is the radius negative? Error. + if (r < 0) throw new Error(`negative radius: ${r}`); + + let x0 = this._x1, y0 = this._y1, x21 = x2 - x1, y21 = y2 - y1, @@ -5840,12 +6100,9 @@ Path$1.prototype = path.prototype = { y01 = y0 - y1, l01_2 = x01 * x01 + y01 * y01; - // Is the radius negative? Error. - if (r < 0) throw new Error("negative radius: " + r); - // Is this path empty? Move to (x1,y1). if (this._x1 === null) { - this._ += "M" + (this._x1 = x1) + "," + (this._y1 = y1); + this._append`M${this._x1 = x1},${this._y1 = y1}`; } // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. @@ -5855,12 +6112,12 @@ Path$1.prototype = path.prototype = { // Equivalently, is (x1,y1) coincident with (x2,y2)? // Or, is the radius zero? Line to (x1,y1). else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon$4) || !r) { - this._ += "L" + (this._x1 = x1) + "," + (this._y1 = y1); + this._append`L${this._x1 = x1},${this._y1 = y1}`; } // Otherwise, draw an arc! else { - var x20 = x2 - x0, + let x20 = x2 - x0, y20 = y2 - y0, l21_2 = x21 * x21 + y21 * y21, l20_2 = x20 * x20 + y20 * y20, @@ -5872,32 +6129,33 @@ Path$1.prototype = path.prototype = { // If the start tangent is not coincident with (x0,y0), line to. if (Math.abs(t01 - 1) > epsilon$4) { - this._ += "L" + (x1 + t01 * x01) + "," + (y1 + t01 * y01); + this._append`L${x1 + t01 * x01},${y1 + t01 * y01}`; } - this._ += "A" + r + "," + r + ",0,0," + (+(y01 * x20 > x01 * y20)) + "," + (this._x1 = x1 + t21 * x21) + "," + (this._y1 = y1 + t21 * y21); + this._append`A${r},${r},0,0,${+(y01 * x20 > x01 * y20)},${this._x1 = x1 + t21 * x21},${this._y1 = y1 + t21 * y21}`; } - }, - arc: function(x, y, r, a0, a1, ccw) { + } + arc(x, y, r, a0, a1, ccw) { x = +x, y = +y, r = +r, ccw = !!ccw; - var dx = r * Math.cos(a0), + + // Is the radius negative? Error. + if (r < 0) throw new Error(`negative radius: ${r}`); + + let dx = r * Math.cos(a0), dy = r * Math.sin(a0), x0 = x + dx, y0 = y + dy, cw = 1 ^ ccw, da = ccw ? a0 - a1 : a1 - a0; - // Is the radius negative? Error. - if (r < 0) throw new Error("negative radius: " + r); - // Is this path empty? Move to (x0,y0). if (this._x1 === null) { - this._ += "M" + x0 + "," + y0; + this._append`M${x0},${y0}`; } // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). else if (Math.abs(this._x1 - x0) > epsilon$4 || Math.abs(this._y1 - y0) > epsilon$4) { - this._ += "L" + x0 + "," + y0; + this._append`L${x0},${y0}`; } // Is this arc empty? We’re done. @@ -5908,22 +6166,33 @@ Path$1.prototype = path.prototype = { // Is this a complete circle? Draw two arcs to complete the circle. if (da > tauEpsilon) { - this._ += "A" + r + "," + r + ",0,1," + cw + "," + (x - dx) + "," + (y - dy) + "A" + r + "," + r + ",0,1," + cw + "," + (this._x1 = x0) + "," + (this._y1 = y0); + this._append`A${r},${r},0,1,${cw},${x - dx},${y - dy}A${r},${r},0,1,${cw},${this._x1 = x0},${this._y1 = y0}`; } // Is this arc non-empty? Draw an arc! else if (da > epsilon$4) { - this._ += "A" + r + "," + r + ",0," + (+(da >= pi$2)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1)); + this._append`A${r},${r},0,${+(da >= pi$2)},${cw},${this._x1 = x + r * Math.cos(a1)},${this._y1 = y + r * Math.sin(a1)}`; } - }, - rect: function(x, y, w, h) { - this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y) + "h" + (+w) + "v" + (+h) + "h" + (-w) + "Z"; - }, - toString: function() { + } + rect(x, y, w, h) { + this._append`M${this._x0 = this._x1 = +x},${this._y0 = this._y1 = +y}h${w = +w}v${+h}h${-w}Z`; + } + toString() { return this._; } }; +function path() { + return new Path$1; +} + +// Allow instanceof d3.path +path.prototype = Path$1.prototype; + +function pathRound(digits = 3) { + return new Path$1(+digits); +} + var slice$2 = Array.prototype.slice; function constant$6(x) { @@ -6127,7 +6396,7 @@ var cases = [ [] ]; -function contours() { +function Contours() { var dx = 1, dy = 1, threshold = thresholdSturges, @@ -6138,8 +6407,10 @@ function contours() { // Convert number of thresholds into uniform thresholds. if (!Array.isArray(tz)) { - const e = extent$1(values), ts = tickStep(e[0], e[1], tz); - tz = ticks(Math.floor(e[0] / ts) * ts, Math.floor(e[1] / ts - 1) * ts, tz); + const e = extent$1(values, finite); + tz = ticks(...nice$1(e[0], e[1], tz), tz); + while (tz[tz.length - 1] >= e[1]) tz.pop(); + while (tz[1] < e[0]) tz.shift(); } else { tz = tz.slice().sort(ascending$1); } @@ -6150,11 +6421,14 @@ function contours() { // Accumulate, smooth contour rings, assign holes to exterior rings. // Based on https://github.com/mbostock/shapefile/blob/v0.6.2/shp/polygon.js function contour(values, value) { + const v = value == null ? NaN : +value; + if (isNaN(v)) throw new Error(`invalid value: ${value}`); + var polygons = [], holes = []; - isorings(values, value, function(ring) { - smooth(ring, values, value); + isorings(values, v, function(ring) { + smooth(ring, values, v); if (area$3(ring) > 0) polygons.push([ring]); else holes.push(ring); }); @@ -6184,10 +6458,10 @@ function contours() { // Special case for the first row (y = -1, t2 = t3 = 0). x = y = -1; - t1 = values[0] >= value; + t1 = above(values[0], value); cases[t1 << 1].forEach(stitch); while (++x < dx - 1) { - t0 = t1, t1 = values[x + 1] >= value; + t0 = t1, t1 = above(values[x + 1], value); cases[t0 | t1 << 1].forEach(stitch); } cases[t1 << 0].forEach(stitch); @@ -6195,12 +6469,12 @@ function contours() { // General case for the intermediate rows. while (++y < dy - 1) { x = -1; - t1 = values[y * dx + dx] >= value; - t2 = values[y * dx] >= value; + t1 = above(values[y * dx + dx], value); + t2 = above(values[y * dx], value); cases[t1 << 1 | t2 << 2].forEach(stitch); while (++x < dx - 1) { - t0 = t1, t1 = values[y * dx + dx + x + 1] >= value; - t3 = t2, t2 = values[y * dx + x + 1] >= value; + t0 = t1, t1 = above(values[y * dx + dx + x + 1], value); + t3 = t2, t2 = above(values[y * dx + x + 1], value); cases[t0 | t1 << 1 | t2 << 2 | t3 << 3].forEach(stitch); } cases[t1 | t2 << 3].forEach(stitch); @@ -6211,7 +6485,7 @@ function contours() { t2 = values[y * dx] >= value; cases[t2 << 2].forEach(stitch); while (++x < dx - 1) { - t3 = t2, t2 = values[y * dx + x + 1] >= value; + t3 = t2, t2 = above(values[y * dx + x + 1], value); cases[t2 << 2 | t3 << 3].forEach(stitch); } cases[t2 << 3].forEach(stitch); @@ -6268,15 +6542,12 @@ function contours() { y = point[1], xt = x | 0, yt = y | 0, - v0, - v1 = values[yt * dx + xt]; + v1 = valid(values[yt * dx + xt]); if (x > 0 && x < dx && xt === x) { - v0 = values[yt * dx + xt - 1]; - point[0] = x + (value - v0) / (v1 - v0) - 0.5; + point[0] = smooth1(x, valid(values[yt * dx + xt - 1]), v1, value); } if (y > 0 && y < dy && yt === y) { - v0 = values[(yt - 1) * dx + xt]; - point[1] = y + (value - v0) / (v1 - v0) - 0.5; + point[1] = smooth1(y, valid(values[(yt - 1) * dx + xt]), v1, value); } }); } @@ -6301,48 +6572,27 @@ function contours() { return contours; } -// TODO Optimize edge cases. -// TODO Optimize index calculation. -// TODO Optimize arguments. -function blurX(source, target, r) { - var n = source.width, - m = source.height, - w = (r << 1) + 1; - for (var j = 0; j < m; ++j) { - for (var i = 0, sr = 0; i < n + r; ++i) { - if (i < n) { - sr += source.data[i + j * n]; - } - if (i >= r) { - if (i >= w) { - sr -= source.data[i - w + j * n]; - } - target.data[i - r + j * n] = sr / Math.min(i + 1, n - 1 + w - i, w); - } - } - } +// When computing the extent, ignore infinite values (as well as invalid ones). +function finite(x) { + return isFinite(x) ? x : NaN; } -// TODO Optimize edge cases. -// TODO Optimize index calculation. -// TODO Optimize arguments. -function blurY(source, target, r) { - var n = source.width, - m = source.height, - w = (r << 1) + 1; - for (var i = 0; i < n; ++i) { - for (var j = 0, sr = 0; j < m + r; ++j) { - if (j < m) { - sr += source.data[i + j * n]; - } - if (j >= r) { - if (j >= w) { - sr -= source.data[i + (j - w) * n]; - } - target.data[i + (j - r) * n] = sr / Math.min(j + 1, m - 1 + w - j, w); - } - } - } +// Is the (possibly invalid) x greater than or equal to the (known valid) value? +// Treat any invalid value as below negative infinity. +function above(x, value) { + return x == null ? false : +x >= value; +} + +// During smoothing, treat any invalid value as negative infinity. +function valid(v) { + return v == null || isNaN(v = +v) ? -Infinity : v; +} + +function smooth1(x, v0, v1, value) { + const a = value - v0; + const b = v1 - v0; + const d = isFinite(a) || isFinite(b) ? a / b : Math.sign(a) / Math.sign(b); + return isNaN(d) ? x : x + d - 0.5; } function defaultX$1(d) { @@ -6370,54 +6620,63 @@ function density() { m = (dy + o * 2) >> k, // grid height threshold = constant$5(20); - function density(data) { - var values0 = new Float32Array(n * m), - values1 = new Float32Array(n * m), - pow2k = Math.pow(2, -k); + function grid(data) { + var values = new Float32Array(n * m), + pow2k = Math.pow(2, -k), + i = -1; - data.forEach(function(d, i, data) { - var xi = (x(d, i, data) + o) * pow2k, + for (const d of data) { + var xi = (x(d, ++i, data) + o) * pow2k, yi = (y(d, i, data) + o) * pow2k, wi = +weight(d, i, data); - if (xi >= 0 && xi < n && yi >= 0 && yi < m) { + if (wi && xi >= 0 && xi < n && yi >= 0 && yi < m) { var x0 = Math.floor(xi), y0 = Math.floor(yi), xt = xi - x0 - 0.5, yt = yi - y0 - 0.5; - values0[x0 + y0 * n] += (1 - xt) * (1 - yt) * wi; - values0[x0 + 1 + y0 * n] += xt * (1 - yt) * wi; - values0[x0 + 1 + (y0 + 1) * n] += xt * yt * wi; - values0[x0 + (y0 + 1) * n] += (1 - xt) * yt * wi; + values[x0 + y0 * n] += (1 - xt) * (1 - yt) * wi; + values[x0 + 1 + y0 * n] += xt * (1 - yt) * wi; + values[x0 + 1 + (y0 + 1) * n] += xt * yt * wi; + values[x0 + (y0 + 1) * n] += (1 - xt) * yt * wi; } - }); + } - // TODO Optimize. - blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); - blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); - blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); - blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); - blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k); - blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k); + blur2({data: values, width: n, height: m}, r * pow2k); + return values; + } - var tz = threshold(values0); + function density(data) { + var values = grid(data), + tz = threshold(values), + pow4k = Math.pow(2, 2 * k); // Convert number of thresholds into uniform thresholds. if (!Array.isArray(tz)) { - var stop = max$3(values0); - tz = tickStep(0, stop, tz); - tz = sequence(0, Math.floor(stop / tz) * tz, tz); - tz.shift(); + tz = ticks(Number.MIN_VALUE, max$3(values) / pow4k, tz); } - return contours() - .thresholds(tz) + return Contours() .size([n, m]) - (values0) - .map(transform); + .thresholds(tz.map(d => d * pow4k)) + (values) + .map((c, i) => (c.value = +tz[i], transform(c))); } + density.contours = function(data) { + var values = grid(data), + contours = Contours().size([n, m]), + pow4k = Math.pow(2, 2 * k), + contour = value => { + value = +value; + var c = transform(contours.contour(values, value * pow4k)); + c.value = value; // preserve exact threshold value + return c; + }; + Object.defineProperty(contour, "max", {get: () => max$3(values) / pow4k}); + return contour; + }; + function transform(geometry) { - geometry.value *= Math.pow(2, -2 * k); // Density in points per square pixel. geometry.coordinates.forEach(transformPolygon); return geometry; } @@ -6475,7 +6734,7 @@ function density() { density.bandwidth = function(_) { if (!arguments.length) return Math.sqrt(r * (r + 1)); if (!((_ = +_) >= 0)) throw new Error("invalid bandwidth"); - return r = Math.round((Math.sqrt(4 * _ * _ + 1) - 1) / 2), resize(); + return r = (Math.sqrt(4 * _ * _ + 1) - 1) / 2, resize(); }; return density; @@ -6741,8 +7000,6 @@ function orient2d(ax, ay, bx, by, cx, cy) { const detright = (ax - cx) * (by - cy); const det = detleft - detright; - if (detleft === 0 || detright === 0 || (detleft > 0) !== (detright > 0)) return det; - const detsum = Math.abs(detleft + detright); if (Math.abs(det) >= ccwerrboundA * detsum) return det; @@ -7302,6 +7559,7 @@ class Voronoi { } _init() { const {delaunay: {points, hull, triangles}, vectors} = this; + let bx, by; // lazily computed barycenter of the hull // Compute circumcenters. const circumcenters = this.circumcenters = this._circumcenters.subarray(0, triangles.length / 3 * 2); @@ -7323,17 +7581,15 @@ class Voronoi { const ab = (dx * ey - dy * ex) * 2; if (Math.abs(ab) < 1e-9) { - // degenerate case (collinear diagram) - // almost equal points (degenerate triangle) - // the circumcenter is at the infinity, in a - // direction that is: - // 1. orthogonal to the halfedge. - let a = 1e9; - // 2. points away from the center; since the list of triangles starts - // in the center, the first point of the first triangle - // will be our reference - const r = triangles[0] * 2; - a *= Math.sign((points[r] - x1) * ey - (points[r + 1] - y1) * ex); + // For a degenerate triangle, the circumcenter is at the infinity, in a + // direction orthogonal to the halfedge and away from the “center” of + // the diagram , defined as the hull’s barycenter. + if (bx === undefined) { + bx = by = 0; + for (const i of hull) bx += points[i * 2], by += points[i * 2 + 1]; + bx /= hull.length, by /= hull.length; + } + const a = 1e9 * Math.sign((bx - x1) * ey - (by - y1) * ex); x = (x1 + x3) / 2 - a * ey; y = (y1 + y3) / 2 + a * ex; } else { @@ -7442,11 +7698,10 @@ class Voronoi { // find the common edge if (cj) loop: for (let ai = 0, li = ci.length; ai < li; ai += 2) { for (let aj = 0, lj = cj.length; aj < lj; aj += 2) { - if (ci[ai] == cj[aj] - && ci[ai + 1] == cj[aj + 1] - && ci[(ai + 2) % li] == cj[(aj + lj - 2) % lj] - && ci[(ai + 3) % li] == cj[(aj + lj - 1) % lj] - ) { + if (ci[ai] === cj[aj] + && ci[ai + 1] === cj[aj + 1] + && ci[(ai + 2) % li] === cj[(aj + lj - 2) % lj] + && ci[(ai + 3) % li] === cj[(aj + lj - 1) % lj]) { yield j; break loop; } @@ -7478,9 +7733,9 @@ class Voronoi { if (points === null) return null; const {vectors: V} = this; const v = i * 4; - return V[v] || V[v + 1] + return this._simplify(V[v] || V[v + 1] ? this._clipInfinite(i, points, V[v], V[v + 1], V[v + 2], V[v + 3]) - : this._clipFinite(i, points); + : this._clipFinite(i, points)); } _clipFinite(i, points) { const n = points.length; @@ -7523,8 +7778,11 @@ class Voronoi { return P; } _clipSegment(x0, y0, x1, y1, c0, c1) { + // for more robustness, always consider the segment in the same order + const flip = c0 < c1; + if (flip) [x0, y0, x1, y1, c0, c1] = [x1, y1, x0, y0, c1, c0]; while (true) { - if (c0 === 0 && c1 === 0) return [x0, y0, x1, y1]; + if (c0 === 0 && c1 === 0) return flip ? [x1, y1, x0, y0] : [x0, y0, x1, y1]; if (c0 & c1) return null; let x, y, c = c0 || c1; if (c & 0b1000) x = x0 + (x1 - x0) * (this.ymax - y0) / (y1 - y0), y = this.ymax; @@ -7568,14 +7826,6 @@ class Voronoi { P.splice(j, 0, x, y), j += 2; } } - if (P.length > 4) { - for (let i = 0; i < P.length; i+= 2) { - const j = (i + 2) % P.length, k = (i + 4) % P.length; - if (P[i] === P[j] && P[j] === P[k] - || P[i + 1] === P[j + 1] && P[j + 1] === P[k + 1]) - P.splice(j, 2), i -= 2; - } - } return j; } _project(x0, y0, vx, vy) { @@ -7608,6 +7858,18 @@ class Voronoi { | (y < this.ymin ? 0b0100 : y > this.ymax ? 0b1000 : 0b0000); } + _simplify(P) { + if (P && P.length > 4) { + for (let i = 0; i < P.length; i+= 2) { + const j = (i + 2) % P.length, k = (i + 4) % P.length; + if (P[i] === P[j] && P[j] === P[k] || P[i + 1] === P[j + 1] && P[j + 1] === P[k + 1]) { + P.splice(j, 2), i -= 2; + } + } + if (!P.length) P = null; + } + return P; + } } const tau$2 = 2 * Math.PI, pow$2 = Math.pow; @@ -8809,13 +9071,13 @@ function link$2(links) { } // https://en.wikipedia.org/wiki/Linear_congruential_generator#Parameters_in_common_use -const a$1 = 1664525; -const c$3 = 1013904223; -const m = 4294967296; // 2^32 +const a$2 = 1664525; +const c$4 = 1013904223; +const m$1 = 4294967296; // 2^32 -function lcg$1() { +function lcg$2() { let s = 1; - return () => (s = (a$1 * s + c$3) % m) / m; + return () => (s = (a$2 * s + c$4) % m$1) / m$1; } function x$2(d) { @@ -8839,7 +9101,7 @@ function simulation(nodes) { forces = new Map(), stepper = timer(step), event = dispatch("tick", "end"), - random = lcg$1(); + random = lcg$2(); if (nodes == null) nodes = []; @@ -9377,7 +9639,7 @@ function identity$6(x) { } var map = Array.prototype.map, - prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; + prefixes = ["y","z","a","f","p","n","µ","m","","k","M","G","T","P","E","Z","Y"]; function formatLocale$1(locale) { var group = locale.grouping === undefined || locale.thousands === undefined ? identity$6 : formatGroup(map.call(locale.grouping, Number), locale.thousands + ""), @@ -9386,7 +9648,7 @@ function formatLocale$1(locale) { decimal = locale.decimal === undefined ? "." : locale.decimal + "", numerals = locale.numerals === undefined ? identity$6 : formatNumerals(map.call(locale.numerals, String)), percent = locale.percent === undefined ? "%" : locale.percent + "", - minus = locale.minus === undefined ? "\u2212" : locale.minus + "", + minus = locale.minus === undefined ? "−" : locale.minus + "", nan = locale.nan === undefined ? "NaN" : locale.nan + ""; function newFormat(specifier) { @@ -9766,22 +10028,22 @@ var lambda0$1, phi0, lambda1, phi1, // bounds ranges, range; -var boundsStream$1 = { +var boundsStream$2 = { point: boundsPoint$1, lineStart: boundsLineStart, lineEnd: boundsLineEnd, polygonStart: function() { - boundsStream$1.point = boundsRingPoint; - boundsStream$1.lineStart = boundsRingStart; - boundsStream$1.lineEnd = boundsRingEnd; + boundsStream$2.point = boundsRingPoint; + boundsStream$2.lineStart = boundsRingStart; + boundsStream$2.lineEnd = boundsRingEnd; deltaSum = new Adder(); areaStream$1.polygonStart(); }, polygonEnd: function() { areaStream$1.polygonEnd(); - boundsStream$1.point = boundsPoint$1; - boundsStream$1.lineStart = boundsLineStart; - boundsStream$1.lineEnd = boundsLineEnd; + boundsStream$2.point = boundsPoint$1; + boundsStream$2.lineStart = boundsLineStart; + boundsStream$2.lineEnd = boundsLineEnd; if (areaRingSum$1 < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); else if (deltaSum > epsilon$1) phi1 = 90; else if (deltaSum < -epsilon$1) phi0 = -90; @@ -9848,12 +10110,12 @@ function linePoint(lambda, phi) { } function boundsLineStart() { - boundsStream$1.point = linePoint; + boundsStream$2.point = linePoint; } function boundsLineEnd() { range[0] = lambda0$1, range[1] = lambda1; - boundsStream$1.point = boundsPoint$1; + boundsStream$2.point = boundsPoint$1; p0 = null; } @@ -9900,7 +10162,7 @@ function bounds(feature) { phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); ranges = []; - geoStream(feature, boundsStream$1); + geoStream(feature, boundsStream$2); // First, sort ranges by their minimum longitudes. if (n = ranges.length) { @@ -10091,7 +10353,8 @@ function compose(a, b) { } function rotationIdentity(lambda, phi) { - return [abs$1(lambda) > pi$1 ? lambda + Math.round(-lambda / tau$1) * tau$1 : lambda, phi]; + if (abs$1(lambda) > pi$1) lambda -= Math.round(lambda / tau$1) * tau$1; + return [lambda, phi]; } rotationIdentity.invert = rotationIdentity; @@ -10105,7 +10368,9 @@ function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { function forwardRotationLambda(deltaLambda) { return function(lambda, phi) { - return lambda += deltaLambda, [lambda > pi$1 ? lambda - tau$1 : lambda < -pi$1 ? lambda + tau$1 : lambda, phi]; + lambda += deltaLambda; + if (abs$1(lambda) > pi$1) lambda -= Math.round(lambda / tau$1) * tau$1; + return [lambda, phi]; }; } @@ -10192,7 +10457,7 @@ function circleRadius(cosRadius, point) { return ((-point[2] < 0 ? -radius : radius) + tau$1 - epsilon$1) % tau$1; } -function circle$2() { +function circle$1() { var center = constant$3([0, 0]), radius = constant$3(90), precision = constant$3(6), @@ -11214,12 +11479,12 @@ function contains$1(object, point) { } function graticuleX(y0, y1, dy) { - var y = sequence(y0, y1 - epsilon$1, dy).concat(y1); + var y = range$2(y0, y1 - epsilon$1, dy).concat(y1); return function(x) { return y.map(function(y) { return [x, y]; }); }; } function graticuleY(x0, x1, dx) { - var x = sequence(x0, x1 - epsilon$1, dx).concat(x1); + var x = range$2(x0, x1 - epsilon$1, dx).concat(x1); return function(y) { return x.map(function(x) { return [x, y]; }); }; } @@ -11235,10 +11500,10 @@ function graticule() { } function lines() { - return sequence(ceil(X0 / DX) * DX, X1, DX).map(X) - .concat(sequence(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) - .concat(sequence(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs$1(x % DX) > epsilon$1; }).map(x)) - .concat(sequence(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs$1(y % DY) > epsilon$1; }).map(y)); + return range$2(ceil(X0 / DX) * DX, X1, DX).map(X) + .concat(range$2(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) + .concat(range$2(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs$1(x % DX) > epsilon$1; }).map(x)) + .concat(range$2(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs$1(y % DY) > epsilon$1; }).map(y)); } graticule.lines = function() { @@ -11398,6 +11663,8 @@ function areaRingEnd() { areaPoint(x00$2, y00$2); } +var pathArea = areaStream; + var x0$2 = Infinity, y0$2 = x0$2, x1 = -x0$2, @@ -11423,6 +11690,8 @@ function boundsPoint(x, y) { if (y > y1) y1 = y; } +var boundsStream$1 = boundsStream; + // TODO Enforce positive area for exterior, negative area for interior? var X0 = 0, @@ -11520,6 +11789,8 @@ function centroidPointRing(x, y) { centroidPoint(x0$1 = x, y0$1 = y); } +var pathCentroid = centroidStream; + function PathContext(context) { this._context = context; } @@ -11603,68 +11874,98 @@ function lengthPoint(x, y) { x0 = x, y0 = y; } -function PathString() { - this._string = []; -} +var pathMeasure = lengthStream; -PathString.prototype = { - _radius: 4.5, - _circle: circle$1(4.5), - pointRadius: function(_) { - if ((_ = +_) !== this._radius) this._radius = _, this._circle = null; +// Simple caching for constant-radius points. +let cacheDigits, cacheAppend, cacheRadius, cacheCircle; + +class PathString { + constructor(digits) { + this._append = digits == null ? append : appendRound(digits); + this._radius = 4.5; + this._ = ""; + } + pointRadius(_) { + this._radius = +_; return this; - }, - polygonStart: function() { + } + polygonStart() { this._line = 0; - }, - polygonEnd: function() { + } + polygonEnd() { this._line = NaN; - }, - lineStart: function() { + } + lineStart() { this._point = 0; - }, - lineEnd: function() { - if (this._line === 0) this._string.push("Z"); + } + lineEnd() { + if (this._line === 0) this._ += "Z"; this._point = NaN; - }, - point: function(x, y) { + } + point(x, y) { switch (this._point) { case 0: { - this._string.push("M", x, ",", y); + this._append`M${x},${y}`; this._point = 1; break; } case 1: { - this._string.push("L", x, ",", y); + this._append`L${x},${y}`; break; } default: { - if (this._circle == null) this._circle = circle$1(this._radius); - this._string.push("M", x, ",", y, this._circle); + this._append`M${x},${y}`; + if (this._radius !== cacheRadius || this._append !== cacheAppend) { + const r = this._radius; + const s = this._; + this._ = ""; // stash the old string so we can cache the circle path fragment + this._append`m0,${r}a${r},${r} 0 1,1 0,${-2 * r}a${r},${r} 0 1,1 0,${2 * r}z`; + cacheRadius = r; + cacheAppend = this._append; + cacheCircle = this._; + this._ = s; + } + this._ += cacheCircle; break; } } - }, - result: function() { - if (this._string.length) { - var result = this._string.join(""); - this._string = []; - return result; - } else { - return null; - } } -}; + result() { + const result = this._; + this._ = ""; + return result.length ? result : null; + } +} -function circle$1(radius) { - return "m0," + radius - + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius - + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius - + "z"; +function append(strings) { + let i = 1; + this._ += strings[0]; + for (const j = strings.length; i < j; ++i) { + this._ += arguments[i] + strings[i]; + } +} + +function appendRound(digits) { + const d = Math.floor(digits); + if (!(d >= 0)) throw new RangeError(`invalid digits: ${digits}`); + if (d > 15) return append; + if (d !== cacheDigits) { + const k = 10 ** d; + cacheDigits = d; + cacheAppend = function append(strings) { + let i = 1; + this._ += strings[0]; + for (const j = strings.length; i < j; ++i) { + this._ += Math.round(arguments[i] * k) / k + strings[i]; + } + }; + } + return cacheAppend; } function index$2(projection, context) { - var pointRadius = 4.5, + let digits = 3, + pointRadius = 4.5, projectionStream, contextStream; @@ -11677,32 +11978,34 @@ function index$2(projection, context) { } path.area = function(object) { - geoStream(object, projectionStream(areaStream)); - return areaStream.result(); + geoStream(object, projectionStream(pathArea)); + return pathArea.result(); }; path.measure = function(object) { - geoStream(object, projectionStream(lengthStream)); - return lengthStream.result(); + geoStream(object, projectionStream(pathMeasure)); + return pathMeasure.result(); }; path.bounds = function(object) { - geoStream(object, projectionStream(boundsStream)); - return boundsStream.result(); + geoStream(object, projectionStream(boundsStream$1)); + return boundsStream$1.result(); }; path.centroid = function(object) { - geoStream(object, projectionStream(centroidStream)); - return centroidStream.result(); + geoStream(object, projectionStream(pathCentroid)); + return pathCentroid.result(); }; path.projection = function(_) { - return arguments.length ? (projectionStream = _ == null ? (projection = null, identity$5) : (projection = _).stream, path) : projection; + if (!arguments.length) return projection; + projectionStream = _ == null ? (projection = null, identity$5) : (projection = _).stream; + return path; }; path.context = function(_) { if (!arguments.length) return context; - contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); + contextStream = _ == null ? (context = null, new PathString(digits)) : new PathContext(context = _); if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); return path; }; @@ -11713,7 +12016,19 @@ function index$2(projection, context) { return path; }; - return path.projection(projection).context(context); + path.digits = function(_) { + if (!arguments.length) return digits; + if (_ == null) digits = null; + else { + const d = Math.floor(_); + if (!(d >= 0)) throw new RangeError(`invalid digits: ${_}`); + digits = d; + } + if (context === null) contextStream = new PathString(digits); + return path; + }; + + return path.projection(projection).digits(digits).context(context); } function transform$1(methods) { @@ -11747,8 +12062,8 @@ function fit(projection, fitBounds, object) { var clip = projection.clipExtent && projection.clipExtent(); projection.scale(150).translate([0, 0]); if (clip != null) projection.clipExtent(null); - geoStream(object, projection.stream(boundsStream)); - fitBounds(boundsStream.result()); + geoStream(object, projection.stream(boundsStream$1)); + fitBounds(boundsStream$1.result()); if (clip != null) projection.clipExtent(clip); return projection; } @@ -12928,19 +13243,48 @@ Node$1.prototype = hierarchy.prototype = { [Symbol.iterator]: node_iterator }; +function optional(f) { + return f == null ? null : required(f); +} + +function required(f) { + if (typeof f !== "function") throw new Error; + return f; +} + +function constantZero() { + return 0; +} + +function constant$2(x) { + return function() { + return x; + }; +} + +// https://en.wikipedia.org/wiki/Linear_congruential_generator#Parameters_in_common_use +const a$1 = 1664525; +const c$3 = 1013904223; +const m = 4294967296; // 2^32 + +function lcg$1() { + let s = 1; + return () => (s = (a$1 * s + c$3) % m) / m; +} + function array$1(x) { return typeof x === "object" && "length" in x ? x // Array, TypedArray, NodeList, array-like : Array.from(x); // Map, Set, iterable, string, or anything else } -function shuffle(array) { - var m = array.length, +function shuffle(array, random) { + let m = array.length, t, i; while (m) { - i = Math.random() * m-- | 0; + i = random() * m-- | 0; t = array[m]; array[m] = array[i]; array[i] = t; @@ -12950,7 +13294,11 @@ function shuffle(array) { } function enclose(circles) { - var i = 0, n = (circles = shuffle(Array.from(circles))).length, B = [], p, e; + return packEncloseRandom(circles, lcg$1()); +} + +function packEncloseRandom(circles, random) { + var i = 0, n = (circles = shuffle(Array.from(circles), random)).length, B = [], p, e; while (i < n) { p = circles[i]; @@ -13058,7 +13406,7 @@ function encloseBasis3(a, b, c) { A = xb * xb + yb * yb - 1, B = 2 * (r1 + xa * xb + ya * yb), C = xa * xa + ya * ya - r1 * r1, - r = -(A ? (B + Math.sqrt(B * B - 4 * A * C)) / (2 * A) : C / B); + r = -(Math.abs(A) > 1e-6 ? (B + Math.sqrt(B * B - 4 * A * C)) / (2 * A) : C / B); return { x: x1 + xa + xb * r, y: y1 + ya + yb * r, @@ -13110,7 +13458,7 @@ function Node(circle) { this.previous = null; } -function packEnclose(circles) { +function packSiblingsRandom(circles, random) { if (!(n = (circles = array$1(circles)).length)) return 0; var a, b, c, n, aa, ca, i, j, k, sj, sk; @@ -13170,7 +13518,7 @@ function packEnclose(circles) { } // Compute the enclosing circle of the front chain. - a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a); + a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = packEncloseRandom(a, random); // Translate the circles to put the enclosing circle around the origin. for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y; @@ -13179,29 +13527,10 @@ function packEnclose(circles) { } function siblings(circles) { - packEnclose(circles); + packSiblingsRandom(circles, lcg$1()); return circles; } -function optional(f) { - return f == null ? null : required(f); -} - -function required(f) { - if (typeof f !== "function") throw new Error; - return f; -} - -function constantZero() { - return 0; -} - -function constant$2(x) { - return function() { - return x; - }; -} - function defaultRadius(d) { return Math.sqrt(d.value); } @@ -13213,15 +13542,16 @@ function index$1() { padding = constantZero; function pack(root) { + const random = lcg$1(); root.x = dx / 2, root.y = dy / 2; if (radius) { root.eachBefore(radiusLeaf(radius)) - .eachAfter(packChildren(padding, 0.5)) + .eachAfter(packChildrenRandom(padding, 0.5, random)) .eachBefore(translateChild(1)); } else { root.eachBefore(radiusLeaf(defaultRadius)) - .eachAfter(packChildren(constantZero, 1)) - .eachAfter(packChildren(padding, root.r / Math.min(dx, dy))) + .eachAfter(packChildrenRandom(constantZero, 1, random)) + .eachAfter(packChildrenRandom(padding, root.r / Math.min(dx, dy), random)) .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r))); } return root; @@ -13250,7 +13580,7 @@ function radiusLeaf(radius) { }; } -function packChildren(padding, k) { +function packChildrenRandom(padding, k, random) { return function(node) { if (children = node.children) { var children, @@ -13260,7 +13590,7 @@ function packChildren(padding, k) { e; if (r) for (i = 0; i < n; ++i) children[i].r += r; - e = packEnclose(children); + e = packSiblingsRandom(children, random); if (r) for (i = 0; i < n; ++i) children[i].r -= r; node.r = e + r; } @@ -13349,7 +13679,8 @@ function partition() { } var preroot = {depth: -1}, - ambiguous = {}; + ambiguous = {}, + imputed = {}; function defaultId(d) { return d.id; @@ -13361,11 +13692,14 @@ function defaultParentId(d) { function stratify() { var id = defaultId, - parentId = defaultParentId; + parentId = defaultParentId, + path; function stratify(data) { var nodes = Array.from(data), - n = nodes.length, + currentId = id, + currentParentId = parentId, + n, d, i, root, @@ -13375,13 +13709,29 @@ function stratify() { nodeKey, nodeByKey = new Map; - for (i = 0; i < n; ++i) { + if (path != null) { + const I = nodes.map((d, i) => normalize$1(path(d, i, data))); + const P = I.map(parentof); + const S = new Set(I).add(""); + for (const i of P) { + if (!S.has(i)) { + S.add(i); + I.push(i); + P.push(parentof(i)); + nodes.push(imputed); + } + } + currentId = (_, i) => I[i]; + currentParentId = (_, i) => P[i]; + } + + for (i = 0, n = nodes.length; i < n; ++i) { d = nodes[i], node = nodes[i] = new Node$1(d); - if ((nodeId = id(d, i, data)) != null && (nodeId += "")) { + if ((nodeId = currentId(d, i, data)) != null && (nodeId += "")) { nodeKey = node.id = nodeId; nodeByKey.set(nodeKey, nodeByKey.has(nodeKey) ? ambiguous : node); } - if ((nodeId = parentId(d, i, data)) != null && (nodeId += "")) { + if ((nodeId = currentParentId(d, i, data)) != null && (nodeId += "")) { node.parent = nodeId; } } @@ -13402,6 +13752,20 @@ function stratify() { } if (!root) throw new Error("no root"); + + // When imputing internal nodes, only introduce roots if needed. + // Then replace the imputed marker data with null. + if (path != null) { + while (root.data === imputed && root.children.length === 1) { + root = root.children[0], --n; + } + for (let i = nodes.length - 1; i >= 0; --i) { + node = nodes[i]; + if (node.data !== imputed) break; + node.data = null; + } + } + root.parent = preroot; root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight); root.parent = null; @@ -13411,16 +13775,52 @@ function stratify() { } stratify.id = function(x) { - return arguments.length ? (id = required(x), stratify) : id; + return arguments.length ? (id = optional(x), stratify) : id; }; stratify.parentId = function(x) { - return arguments.length ? (parentId = required(x), stratify) : parentId; + return arguments.length ? (parentId = optional(x), stratify) : parentId; + }; + + stratify.path = function(x) { + return arguments.length ? (path = optional(x), stratify) : path; }; return stratify; } +// To normalize a path, we coerce to a string, strip the trailing slash if any +// (as long as the trailing slash is not immediately preceded by another slash), +// and add leading slash if missing. +function normalize$1(path) { + path = `${path}`; + let i = path.length; + if (slash(path, i - 1) && !slash(path, i - 2)) path = path.slice(0, -1); + return path[0] === "/" ? path : `/${path}`; +} + +// Walk backwards to find the first slash that is not the leading slash, e.g.: +// "/foo/bar" ⇥ "/foo", "/foo" ⇥ "/", "/" ↦ "". (The root is special-cased +// because the id of the root must be a truthy value.) +function parentof(path) { + let i = path.length; + if (i < 2) return ""; + while (--i > 1) if (slash(path, i)) break; + return path.slice(0, i); +} + +// Slashes can be escaped; to determine whether a slash is a path delimiter, we +// count the number of preceding backslashes escaping the forward slash: an odd +// number indicates an escaped forward slash. +function slash(path, i) { + if (path[i] === "/") { + let k = 0; + while (i > 0 && path[--i] === "\\") ++k; + if ((k & 1) === 0) return true; + } + return false; +} + function defaultSeparation(a, b) { return a.parent === b.parent ? 1 : 2; } @@ -14467,7 +14867,7 @@ function band() { start += (stop - start - step * (n - paddingInner)) * align; bandwidth = step * (1 - paddingInner); if (round) start = Math.round(start), bandwidth = Math.round(bandwidth); - var values = sequence(n).map(function(i) { return start + step * i; }); + var values = range$2(n).map(function(i) { return start + step * i; }); return ordinalRange(reverse ? values.reverse() : values); } @@ -14595,7 +14995,7 @@ function polymap(domain, range, interpolate) { } return function(x) { - var i = bisectRight(domain, x, 1, j) - 1; + var i = bisect(domain, x, 1, j) - 1; return r[i](d[i](x)); }; } @@ -14832,28 +15232,26 @@ function pow10(x) { function powp(base) { return base === 10 ? pow10 : base === Math.E ? Math.exp - : function(x) { return Math.pow(base, x); }; + : x => Math.pow(base, x); } function logp(base) { return base === Math.E ? Math.log : base === 10 && Math.log10 || base === 2 && Math.log2 - || (base = Math.log(base), function(x) { return Math.log(x) / base; }); + || (base = Math.log(base), x => Math.log(x) / base); } function reflect(f) { - return function(x) { - return -f(-x); - }; + return (x, k) => -f(-x, k); } function loggish(transform) { - var scale = transform(transformLog, transformExp), - domain = scale.domain, - base = 10, - logs, - pows; + const scale = transform(transformLog, transformExp); + const domain = scale.domain; + let base = 10; + let logs; + let pows; function rescale() { logs = logp(base), pows = powp(base); @@ -14874,34 +15272,33 @@ function loggish(transform) { return arguments.length ? (domain(_), rescale()) : domain(); }; - scale.ticks = function(count) { - var d = domain(), - u = d[0], - v = d[d.length - 1], - r; + scale.ticks = count => { + const d = domain(); + let u = d[0]; + let v = d[d.length - 1]; + const r = v < u; - if (r = v < u) i = u, u = v, v = i; + if (r) ([u, v] = [v, u]); - var i = logs(u), - j = logs(v), - p, - k, - t, - n = count == null ? 10 : +count, - z = []; + let i = logs(u); + let j = logs(v); + let k; + let t; + const n = count == null ? 10 : +count; + let z = []; if (!(base % 1) && j - i < n) { i = Math.floor(i), j = Math.ceil(j); if (u > 0) for (; i <= j; ++i) { - for (k = 1, p = pows(i); k < base; ++k) { - t = p * k; + for (k = 1; k < base; ++k) { + t = i < 0 ? k / pows(-i) : k * pows(i); if (t < u) continue; if (t > v) break; z.push(t); } } else for (; i <= j; ++i) { - for (k = base - 1, p = pows(i); k >= 1; --k) { - t = p * k; + for (k = base - 1; k >= 1; --k) { + t = i > 0 ? k / pows(-i) : k * pows(i); if (t < u) continue; if (t > v) break; z.push(t); @@ -14911,27 +15308,29 @@ function loggish(transform) { } else { z = ticks(i, j, Math.min(j - i, n)).map(pows); } - return r ? z.reverse() : z; }; - scale.tickFormat = function(count, specifier) { - if (specifier == null) specifier = base === 10 ? ".0e" : ","; - if (typeof specifier !== "function") specifier = exports.format(specifier); - if (count === Infinity) return specifier; + scale.tickFormat = (count, specifier) => { if (count == null) count = 10; - var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate? - return function(d) { - var i = d / pows(Math.round(logs(d))); + if (specifier == null) specifier = base === 10 ? "s" : ","; + if (typeof specifier !== "function") { + if (!(base % 1) && (specifier = formatSpecifier(specifier)).precision == null) specifier.trim = true; + specifier = exports.format(specifier); + } + if (count === Infinity) return specifier; + const k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate? + return d => { + let i = d / pows(Math.round(logs(d))); if (i * base < base - 0.5) i *= base; return i <= k ? specifier(d) : ""; }; }; - scale.nice = function() { + scale.nice = () => { return domain(nice(domain(), { - floor: function(x) { return pows(Math.floor(logs(x))); }, - ceil: function(x) { return pows(Math.ceil(logs(x))); } + floor: x => pows(Math.floor(logs(x))), + ceil: x => pows(Math.ceil(logs(x))) })); }; @@ -14939,14 +15338,9 @@ function loggish(transform) { } function log() { - var scale = loggish(transformer$2()).domain([1, 10]); - - scale.copy = function() { - return copy$1(scale, log()).base(scale.base()); - }; - + const scale = loggish(transformer$2()).domain([1, 10]); + scale.copy = () => copy$1(scale, log()).base(scale.base()); initRange.apply(scale, arguments); - return scale; } @@ -15102,7 +15496,7 @@ function quantile() { } function scale(x) { - return x == null || isNaN(x = +x) ? unknown : range[bisectRight(thresholds, x)]; + return x == null || isNaN(x = +x) ? unknown : range[bisect(thresholds, x)]; } scale.invertExtent = function(y) { @@ -15152,7 +15546,7 @@ function quantize() { unknown; function scale(x) { - return x != null && x <= x ? range[bisectRight(domain, x, 0, n)] : unknown; + return x != null && x <= x ? range[bisect(domain, x, 0, n)] : unknown; } function rescale() { @@ -15203,7 +15597,7 @@ function threshold() { n = 1; function scale(x) { - return x != null && x <= x ? range[bisectRight(domain, x, 0, n)] : unknown; + return x != null && x <= x ? range[bisect(domain, x, 0, n)] : unknown; } scale.domain = function(_) { @@ -15233,47 +15627,46 @@ function threshold() { return initRange.apply(scale, arguments); } -var t0 = new Date, - t1 = new Date; +const t0 = new Date, t1 = new Date; -function newInterval(floori, offseti, count, field) { +function timeInterval(floori, offseti, count, field) { function interval(date) { return floori(date = arguments.length === 0 ? new Date : new Date(+date)), date; } - interval.floor = function(date) { + interval.floor = (date) => { return floori(date = new Date(+date)), date; }; - interval.ceil = function(date) { + interval.ceil = (date) => { return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; }; - interval.round = function(date) { - var d0 = interval(date), - d1 = interval.ceil(date); + interval.round = (date) => { + const d0 = interval(date), d1 = interval.ceil(date); return date - d0 < d1 - date ? d0 : d1; }; - interval.offset = function(date, step) { + interval.offset = (date, step) => { return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; }; - interval.range = function(start, stop, step) { - var range = [], previous; + interval.range = (start, stop, step) => { + const range = []; start = interval.ceil(start); step = step == null ? 1 : Math.floor(step); if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date + let previous; do range.push(previous = new Date(+start)), offseti(start, step), floori(start); while (previous < start && start < stop); return range; }; - interval.filter = function(test) { - return newInterval(function(date) { + interval.filter = (test) => { + return timeInterval((date) => { if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1); - }, function(date, step) { + }, (date, step) => { if (date >= date) { if (step < 0) while (++step <= 0) { while (offseti(date, -1), !test(date)) {} // eslint-disable-line no-empty @@ -15285,47 +15678,48 @@ function newInterval(floori, offseti, count, field) { }; if (count) { - interval.count = function(start, end) { + interval.count = (start, end) => { t0.setTime(+start), t1.setTime(+end); floori(t0), floori(t1); return Math.floor(count(t0, t1)); }; - interval.every = function(step) { + interval.every = (step) => { step = Math.floor(step); return !isFinite(step) || !(step > 0) ? null : !(step > 1) ? interval : interval.filter(field - ? function(d) { return field(d) % step === 0; } - : function(d) { return interval.count(0, d) % step === 0; }); + ? (d) => field(d) % step === 0 + : (d) => interval.count(0, d) % step === 0); }; } return interval; } -var millisecond = newInterval(function() { +const millisecond = timeInterval(() => { // noop -}, function(date, step) { +}, (date, step) => { date.setTime(+date + step); -}, function(start, end) { +}, (start, end) => { return end - start; }); // An optimized implementation for this simple case. -millisecond.every = function(k) { +millisecond.every = (k) => { k = Math.floor(k); if (!isFinite(k) || !(k > 0)) return null; if (!(k > 1)) return millisecond; - return newInterval(function(date) { + return timeInterval((date) => { date.setTime(Math.floor(date / k) * k); - }, function(date, step) { + }, (date, step) => { date.setTime(+date + step * k); - }, function(start, end) { + }, (start, end) => { return (end - start) / k; }); }; -var milliseconds = millisecond.range; + +const milliseconds = millisecond.range; const durationSecond = 1000; const durationMinute = durationSecond * 60; @@ -15335,203 +15729,226 @@ const durationWeek = durationDay * 7; const durationMonth = durationDay * 30; const durationYear = durationDay * 365; -var second = newInterval(function(date) { +const second = timeInterval((date) => { date.setTime(date - date.getMilliseconds()); -}, function(date, step) { +}, (date, step) => { date.setTime(+date + step * durationSecond); -}, function(start, end) { +}, (start, end) => { return (end - start) / durationSecond; -}, function(date) { +}, (date) => { return date.getUTCSeconds(); }); -var seconds = second.range; -var minute = newInterval(function(date) { - date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond); -}, function(date, step) { +const seconds = second.range; + +const timeMinute = timeInterval((date) => { + date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond); +}, (date, step) => { + date.setTime(+date + step * durationMinute); +}, (start, end) => { + return (end - start) / durationMinute; +}, (date) => { + return date.getMinutes(); +}); + +const timeMinutes = timeMinute.range; + +const utcMinute = timeInterval((date) => { + date.setUTCSeconds(0, 0); +}, (date, step) => { date.setTime(+date + step * durationMinute); -}, function(start, end) { +}, (start, end) => { return (end - start) / durationMinute; -}, function(date) { - return date.getMinutes(); +}, (date) => { + return date.getUTCMinutes(); }); -var minutes = minute.range; -var hour = newInterval(function(date) { +const utcMinutes = utcMinute.range; + +const timeHour = timeInterval((date) => { date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond - date.getMinutes() * durationMinute); -}, function(date, step) { +}, (date, step) => { date.setTime(+date + step * durationHour); -}, function(start, end) { +}, (start, end) => { return (end - start) / durationHour; -}, function(date) { +}, (date) => { return date.getHours(); }); -var hours = hour.range; -var day = newInterval( +const timeHours = timeHour.range; + +const utcHour = timeInterval((date) => { + date.setUTCMinutes(0, 0, 0); +}, (date, step) => { + date.setTime(+date + step * durationHour); +}, (start, end) => { + return (end - start) / durationHour; +}, (date) => { + return date.getUTCHours(); +}); + +const utcHours = utcHour.range; + +const timeDay = timeInterval( date => date.setHours(0, 0, 0, 0), (date, step) => date.setDate(date.getDate() + step), (start, end) => (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay, date => date.getDate() - 1 ); -var days = day.range; -function weekday(i) { - return newInterval(function(date) { +const timeDays = timeDay.range; + +const utcDay = timeInterval((date) => { + date.setUTCHours(0, 0, 0, 0); +}, (date, step) => { + date.setUTCDate(date.getUTCDate() + step); +}, (start, end) => { + return (end - start) / durationDay; +}, (date) => { + return date.getUTCDate() - 1; +}); + +const utcDays = utcDay.range; + +const unixDay = timeInterval((date) => { + date.setUTCHours(0, 0, 0, 0); +}, (date, step) => { + date.setUTCDate(date.getUTCDate() + step); +}, (start, end) => { + return (end - start) / durationDay; +}, (date) => { + return Math.floor(date / durationDay); +}); + +const unixDays = unixDay.range; + +function timeWeekday(i) { + return timeInterval((date) => { date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); date.setHours(0, 0, 0, 0); - }, function(date, step) { + }, (date, step) => { date.setDate(date.getDate() + step * 7); - }, function(start, end) { + }, (start, end) => { return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; }); } -var sunday = weekday(0); -var monday = weekday(1); -var tuesday = weekday(2); -var wednesday = weekday(3); -var thursday = weekday(4); -var friday = weekday(5); -var saturday = weekday(6); +const timeSunday = timeWeekday(0); +const timeMonday = timeWeekday(1); +const timeTuesday = timeWeekday(2); +const timeWednesday = timeWeekday(3); +const timeThursday = timeWeekday(4); +const timeFriday = timeWeekday(5); +const timeSaturday = timeWeekday(6); + +const timeSundays = timeSunday.range; +const timeMondays = timeMonday.range; +const timeTuesdays = timeTuesday.range; +const timeWednesdays = timeWednesday.range; +const timeThursdays = timeThursday.range; +const timeFridays = timeFriday.range; +const timeSaturdays = timeSaturday.range; + +function utcWeekday(i) { + return timeInterval((date) => { + date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); + date.setUTCHours(0, 0, 0, 0); + }, (date, step) => { + date.setUTCDate(date.getUTCDate() + step * 7); + }, (start, end) => { + return (end - start) / durationWeek; + }); +} + +const utcSunday = utcWeekday(0); +const utcMonday = utcWeekday(1); +const utcTuesday = utcWeekday(2); +const utcWednesday = utcWeekday(3); +const utcThursday = utcWeekday(4); +const utcFriday = utcWeekday(5); +const utcSaturday = utcWeekday(6); -var sundays = sunday.range; -var mondays = monday.range; -var tuesdays = tuesday.range; -var wednesdays = wednesday.range; -var thursdays = thursday.range; -var fridays = friday.range; -var saturdays = saturday.range; +const utcSundays = utcSunday.range; +const utcMondays = utcMonday.range; +const utcTuesdays = utcTuesday.range; +const utcWednesdays = utcWednesday.range; +const utcThursdays = utcThursday.range; +const utcFridays = utcFriday.range; +const utcSaturdays = utcSaturday.range; -var month = newInterval(function(date) { +const timeMonth = timeInterval((date) => { date.setDate(1); date.setHours(0, 0, 0, 0); -}, function(date, step) { +}, (date, step) => { date.setMonth(date.getMonth() + step); -}, function(start, end) { +}, (start, end) => { return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; -}, function(date) { +}, (date) => { return date.getMonth(); }); -var months = month.range; -var year = newInterval(function(date) { +const timeMonths = timeMonth.range; + +const utcMonth = timeInterval((date) => { + date.setUTCDate(1); + date.setUTCHours(0, 0, 0, 0); +}, (date, step) => { + date.setUTCMonth(date.getUTCMonth() + step); +}, (start, end) => { + return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; +}, (date) => { + return date.getUTCMonth(); +}); + +const utcMonths = utcMonth.range; + +const timeYear = timeInterval((date) => { date.setMonth(0, 1); date.setHours(0, 0, 0, 0); -}, function(date, step) { +}, (date, step) => { date.setFullYear(date.getFullYear() + step); -}, function(start, end) { +}, (start, end) => { return end.getFullYear() - start.getFullYear(); -}, function(date) { +}, (date) => { return date.getFullYear(); }); // An optimized implementation for this simple case. -year.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { +timeYear.every = (k) => { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : timeInterval((date) => { date.setFullYear(Math.floor(date.getFullYear() / k) * k); date.setMonth(0, 1); date.setHours(0, 0, 0, 0); - }, function(date, step) { + }, (date, step) => { date.setFullYear(date.getFullYear() + step * k); }); }; -var years = year.range; - -var utcMinute = newInterval(function(date) { - date.setUTCSeconds(0, 0); -}, function(date, step) { - date.setTime(+date + step * durationMinute); -}, function(start, end) { - return (end - start) / durationMinute; -}, function(date) { - return date.getUTCMinutes(); -}); -var utcMinutes = utcMinute.range; - -var utcHour = newInterval(function(date) { - date.setUTCMinutes(0, 0, 0); -}, function(date, step) { - date.setTime(+date + step * durationHour); -}, function(start, end) { - return (end - start) / durationHour; -}, function(date) { - return date.getUTCHours(); -}); -var utcHours = utcHour.range; - -var utcDay = newInterval(function(date) { - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCDate(date.getUTCDate() + step); -}, function(start, end) { - return (end - start) / durationDay; -}, function(date) { - return date.getUTCDate() - 1; -}); -var utcDays = utcDay.range; -function utcWeekday(i) { - return newInterval(function(date) { - date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCDate(date.getUTCDate() + step * 7); - }, function(start, end) { - return (end - start) / durationWeek; - }); -} - -var utcSunday = utcWeekday(0); -var utcMonday = utcWeekday(1); -var utcTuesday = utcWeekday(2); -var utcWednesday = utcWeekday(3); -var utcThursday = utcWeekday(4); -var utcFriday = utcWeekday(5); -var utcSaturday = utcWeekday(6); - -var utcSundays = utcSunday.range; -var utcMondays = utcMonday.range; -var utcTuesdays = utcTuesday.range; -var utcWednesdays = utcWednesday.range; -var utcThursdays = utcThursday.range; -var utcFridays = utcFriday.range; -var utcSaturdays = utcSaturday.range; - -var utcMonth = newInterval(function(date) { - date.setUTCDate(1); - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCMonth(date.getUTCMonth() + step); -}, function(start, end) { - return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; -}, function(date) { - return date.getUTCMonth(); -}); -var utcMonths = utcMonth.range; +const timeYears = timeYear.range; -var utcYear = newInterval(function(date) { +const utcYear = timeInterval((date) => { date.setUTCMonth(0, 1); date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { +}, (date, step) => { date.setUTCFullYear(date.getUTCFullYear() + step); -}, function(start, end) { +}, (start, end) => { return end.getUTCFullYear() - start.getUTCFullYear(); -}, function(date) { +}, (date) => { return date.getUTCFullYear(); }); // An optimized implementation for this simple case. -utcYear.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { +utcYear.every = (k) => { + return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : timeInterval((date) => { date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); date.setUTCMonth(0, 1); date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { + }, (date, step) => { date.setUTCFullYear(date.getUTCFullYear() + step * k); }); }; -var utcYears = utcYear.range; + +const utcYears = utcYear.range; function ticker(year, month, week, day, hour, minute) { @@ -15576,8 +15993,8 @@ function ticker(year, month, week, day, hour, minute) { return [ticks, tickInterval]; } -const [utcTicks, utcTickInterval] = ticker(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute); -const [timeTicks, timeTickInterval] = ticker(year, month, sunday, day, hour, minute); +const [utcTicks, utcTickInterval] = ticker(utcYear, utcMonth, utcSunday, unixDay, utcHour, utcMinute); +const [timeTicks, timeTickInterval] = ticker(timeYear, timeMonth, timeSunday, timeDay, timeHour, timeMinute); function localDate(d) { if (0 <= d.y && d.y < 100) { @@ -15767,7 +16184,7 @@ function formatLocale(locale) { return function(string) { var d = newDate(1900, undefined, 1), i = parseSpecifier(d, specifier, string += "", 0), - week, day$1; + week, day; if (i != string.length) return null; // If a UNIX timestamp is specified, return it. @@ -15788,25 +16205,25 @@ function formatLocale(locale) { if (d.V < 1 || d.V > 53) return null; if (!("w" in d)) d.w = 1; if ("Z" in d) { - week = utcDate(newDate(d.y, 0, 1)), day$1 = week.getUTCDay(); - week = day$1 > 4 || day$1 === 0 ? utcMonday.ceil(week) : utcMonday(week); + week = utcDate(newDate(d.y, 0, 1)), day = week.getUTCDay(); + week = day > 4 || day === 0 ? utcMonday.ceil(week) : utcMonday(week); week = utcDay.offset(week, (d.V - 1) * 7); d.y = week.getUTCFullYear(); d.m = week.getUTCMonth(); d.d = week.getUTCDate() + (d.w + 6) % 7; } else { - week = localDate(newDate(d.y, 0, 1)), day$1 = week.getDay(); - week = day$1 > 4 || day$1 === 0 ? monday.ceil(week) : monday(week); - week = day.offset(week, (d.V - 1) * 7); + week = localDate(newDate(d.y, 0, 1)), day = week.getDay(); + week = day > 4 || day === 0 ? timeMonday.ceil(week) : timeMonday(week); + week = timeDay.offset(week, (d.V - 1) * 7); d.y = week.getFullYear(); d.m = week.getMonth(); d.d = week.getDate() + (d.w + 6) % 7; } } else if ("W" in d || "U" in d) { if (!("w" in d)) d.w = "u" in d ? d.u % 7 : "W" in d ? 1 : 0; - day$1 = "Z" in d ? utcDate(newDate(d.y, 0, 1)).getUTCDay() : localDate(newDate(d.y, 0, 1)).getDay(); + day = "Z" in d ? utcDate(newDate(d.y, 0, 1)).getUTCDay() : localDate(newDate(d.y, 0, 1)).getDay(); d.m = 0; - d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$1 + 5) % 7 : d.w + d.U * 7 - (day$1 + 6) % 7; + d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day + 5) % 7 : d.w + d.U * 7 - (day + 6) % 7; } // If a time zone is specified, all fields are interpreted as UTC and then @@ -16090,7 +16507,7 @@ function formatHour12(d, p) { } function formatDayOfYear(d, p) { - return pad(1 + day.count(year(d), d), p, 3); + return pad(1 + timeDay.count(timeYear(d), d), p, 3); } function formatMilliseconds(d, p) { @@ -16119,17 +16536,17 @@ function formatWeekdayNumberMonday(d) { } function formatWeekNumberSunday(d, p) { - return pad(sunday.count(year(d) - 1, d), p, 2); + return pad(timeSunday.count(timeYear(d) - 1, d), p, 2); } function dISO(d) { var day = d.getDay(); - return (day >= 4 || day === 0) ? thursday(d) : thursday.ceil(d); + return (day >= 4 || day === 0) ? timeThursday(d) : timeThursday.ceil(d); } function formatWeekNumberISO(d, p) { d = dISO(d); - return pad(thursday.count(year(d), d) + (year(d).getDay() === 4), p, 2); + return pad(timeThursday.count(timeYear(d), d) + (timeYear(d).getDay() === 4), p, 2); } function formatWeekdayNumberSunday(d) { @@ -16137,7 +16554,7 @@ function formatWeekdayNumberSunday(d) { } function formatWeekNumberMonday(d, p) { - return pad(monday.count(year(d) - 1, d), p, 2); + return pad(timeMonday.count(timeYear(d) - 1, d), p, 2); } function formatYear(d, p) { @@ -16155,7 +16572,7 @@ function formatFullYear(d, p) { function formatFullYearISO(d, p) { var day = d.getDay(); - d = (day >= 4 || day === 0) ? thursday(d) : thursday.ceil(d); + d = (day >= 4 || day === 0) ? timeThursday(d) : timeThursday.ceil(d); return pad(d.getFullYear() % 10000, p, 4); } @@ -16300,6 +16717,8 @@ var formatIso = Date.prototype.toISOString ? formatIsoNative : exports.utcFormat(isoSpecifier); +var formatIso$1 = formatIso; + function parseIsoNative(string) { var date = new Date(string); return isNaN(date) ? null : date; @@ -16309,6 +16728,8 @@ var parseIso = +new Date("2000-01-01T00:00:00.000Z") ? parseIsoNative : exports.utcParse(isoSpecifier); +var parseIso$1 = parseIso; + function date(t) { return new Date(t); } @@ -16372,7 +16793,7 @@ function calendar(ticks, tickInterval, year, month, week, day, hour, minute, sec } function time() { - return initRange.apply(calendar(timeTicks, timeTickInterval, year, month, sunday, day, hour, minute, second, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments); + return initRange.apply(calendar(timeTicks, timeTickInterval, timeYear, timeMonth, timeSunday, timeDay, timeHour, timeMinute, second, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments); } function utcTime() { @@ -16484,7 +16905,7 @@ function sequentialQuantile() { interpolator = identity$3; function scale(x) { - if (x != null && !isNaN(x = +x)) return interpolator((bisectRight(domain, x, 1) - 1) / (domain.length - 1)); + if (x != null && !isNaN(x = +x)) return interpolator((bisect(domain, x, 1) - 1) / (domain.length - 1)); } scale.domain = function(_) { @@ -17049,18 +17470,18 @@ function constant$1(x) { }; } -var abs = Math.abs; -var atan2 = Math.atan2; -var cos = Math.cos; -var max = Math.max; -var min = Math.min; -var sin = Math.sin; -var sqrt = Math.sqrt; +const abs = Math.abs; +const atan2 = Math.atan2; +const cos = Math.cos; +const max = Math.max; +const min = Math.min; +const sin = Math.sin; +const sqrt = Math.sqrt; -var epsilon = 1e-12; -var pi = Math.PI; -var halfPi = pi / 2; -var tau = 2 * pi; +const epsilon = 1e-12; +const pi = Math.PI; +const halfPi = pi / 2; +const tau = 2 * pi; function acos(x) { return x > 1 ? 0 : x < -1 ? pi : Math.acos(x); @@ -17070,6 +17491,24 @@ function asin(x) { return x >= 1 ? halfPi : x <= -1 ? -halfPi : Math.asin(x); } +function withPath(shape) { + let digits = 3; + + shape.digits = function(_) { + if (!arguments.length) return digits; + if (_ == null) { + digits = null; + } else { + const d = Math.floor(_); + if (!(d >= 0)) throw new RangeError(`invalid digits: ${_}`); + digits = d; + } + return shape; + }; + + return () => new Path$1(digits); +} + function arcInnerRadius(d) { return d.innerRadius; } @@ -17150,7 +17589,8 @@ function arc() { startAngle = arcStartAngle, endAngle = arcEndAngle, padAngle = arcPadAngle, - context = null; + context = null, + path = withPath(arc); function arc() { var buffer, @@ -17219,16 +17659,22 @@ function arc() { y00 = r0 * sin(a00), oc; - // Restrict the corner radius according to the sector angle. - if (da < pi && (oc = intersect(x01, y01, x00, y00, x11, y11, x10, y10))) { - var ax = x01 - oc[0], - ay = y01 - oc[1], - bx = x11 - oc[0], - by = y11 - oc[1], - kc = 1 / sin(acos((ax * bx + ay * by) / (sqrt(ax * ax + ay * ay) * sqrt(bx * bx + by * by))) / 2), - lc = sqrt(oc[0] * oc[0] + oc[1] * oc[1]); - rc0 = min(rc, (r0 - lc) / (kc - 1)); - rc1 = min(rc, (r1 - lc) / (kc + 1)); + // Restrict the corner radius according to the sector angle. If this + // intersection fails, it’s probably because the arc is too small, so + // disable the corner radius entirely. + if (da < pi) { + if (oc = intersect(x01, y01, x00, y00, x11, y11, x10, y10)) { + var ax = x01 - oc[0], + ay = y01 - oc[1], + bx = x11 - oc[0], + by = y11 - oc[1], + kc = 1 / sin(acos((ax * bx + ay * by) / (sqrt(ax * ax + ay * ay) * sqrt(bx * bx + by * by))) / 2), + lc = sqrt(oc[0] * oc[0] + oc[1] * oc[1]); + rc0 = min(rc, (r0 - lc) / (kc - 1)); + rc1 = min(rc, (r1 - lc) / (kc + 1)); + } else { + rc0 = rc1 = 0; + } } } @@ -17380,7 +17826,8 @@ function line(x$1, y$1) { var defined = constant$1(true), context = null, curve = curveLinear, - output = null; + output = null, + path = withPath(line); x$1 = typeof x$1 === "function" ? x$1 : (x$1 === undefined) ? x : constant$1(x$1); y$1 = typeof y$1 === "function" ? y$1 : (y$1 === undefined) ? y : constant$1(y$1); @@ -17433,7 +17880,8 @@ function area(x0, y0, y1) { defined = constant$1(true), context = null, curve = curveLinear, - output = null; + output = null, + path = withPath(area); x0 = typeof x0 === "function" ? x0 : (x0 === undefined) ? x : constant$1(+x0); y0 = typeof y0 === "function" ? y0 : (y0 === undefined) ? constant$1(0) : constant$1(+y0); @@ -17616,7 +18064,7 @@ function pie() { return pie; } -var curveRadialLinear = curveRadial$1(curveLinear); +var curveRadialLinear = curveRadial(curveLinear); function Radial(curve) { this._curve = curve; @@ -17640,7 +18088,7 @@ Radial.prototype = { } }; -function curveRadial$1(curve) { +function curveRadial(curve) { function radial(context) { return new Radial(curve(context)); @@ -17658,7 +18106,7 @@ function lineRadial(l) { l.radius = l.y, delete l.y; l.curve = function(_) { - return arguments.length ? c(curveRadial$1(_)) : c()._curve; + return arguments.length ? c(curveRadial(_)) : c()._curve; }; return l; @@ -17688,7 +18136,7 @@ function areaRadial() { a.lineOuterRadius = function() { return lineRadial(y1()); }, delete a.lineY1; a.curve = function(_) { - return arguments.length ? c(curveRadial$1(_)) : c()._curve; + return arguments.length ? c(curveRadial(_)) : c()._curve; }; return a; @@ -17698,6 +18146,80 @@ function pointRadial(x, y) { return [(y = +y) * Math.cos(x -= Math.PI / 2), y * Math.sin(x)]; } +class Bump { + constructor(context, x) { + this._context = context; + this._x = x; + } + areaStart() { + this._line = 0; + } + areaEnd() { + this._line = NaN; + } + lineStart() { + this._point = 0; + } + lineEnd() { + if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); + this._line = 1 - this._line; + } + point(x, y) { + x = +x, y = +y; + switch (this._point) { + case 0: { + this._point = 1; + if (this._line) this._context.lineTo(x, y); + else this._context.moveTo(x, y); + break; + } + case 1: this._point = 2; // falls through + default: { + if (this._x) this._context.bezierCurveTo(this._x0 = (this._x0 + x) / 2, this._y0, this._x0, y, x, y); + else this._context.bezierCurveTo(this._x0, this._y0 = (this._y0 + y) / 2, x, this._y0, x, y); + break; + } + } + this._x0 = x, this._y0 = y; + } +} + +class BumpRadial { + constructor(context) { + this._context = context; + } + lineStart() { + this._point = 0; + } + lineEnd() {} + point(x, y) { + x = +x, y = +y; + if (this._point === 0) { + this._point = 1; + } else { + const p0 = pointRadial(this._x0, this._y0); + const p1 = pointRadial(this._x0, this._y0 = (this._y0 + y) / 2); + const p2 = pointRadial(x, this._y0); + const p3 = pointRadial(x, y); + this._context.moveTo(...p0); + this._context.bezierCurveTo(...p1, ...p2, ...p3); + } + this._x0 = x, this._y0 = y; + } +} + +function bumpX(context) { + return new Bump(context, true); +} + +function bumpY(context) { + return new Bump(context, false); +} + +function bumpRadial(context) { + return new BumpRadial(context); +} + function linkSource(d) { return d.source; } @@ -17707,17 +18229,25 @@ function linkTarget(d) { } function link(curve) { - var source = linkSource, + let source = linkSource, target = linkTarget, x$1 = x, y$1 = y, - context = null; + context = null, + output = null, + path = withPath(link); function link() { - var buffer, argv = slice.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); - if (!context) context = buffer = path(); - curve(context, +x$1.apply(this, (argv[0] = s, argv)), +y$1.apply(this, argv), +x$1.apply(this, (argv[0] = t, argv)), +y$1.apply(this, argv)); - if (buffer) return context = null, buffer + "" || null; + let buffer; + const argv = slice.call(arguments); + const s = source.apply(this, argv); + const t = target.apply(this, argv); + if (context == null) output = curve(buffer = path()); + output.lineStart(); + argv[0] = s, output.point(+x$1.apply(this, argv), +y$1.apply(this, argv)); + argv[0] = t, output.point(+x$1.apply(this, argv), +y$1.apply(this, argv)); + output.lineEnd(); + if (buffer) return output = null, buffer + "" || null; } link.source = function(_) { @@ -17737,57 +18267,54 @@ function link(curve) { }; link.context = function(_) { - return arguments.length ? ((context = _ == null ? null : _), link) : context; + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), link) : context; }; return link; } -function curveHorizontal(context, x0, y0, x1, y1) { - context.moveTo(x0, y0); - context.bezierCurveTo(x0 = (x0 + x1) / 2, y0, x0, y1, x1, y1); -} - -function curveVertical(context, x0, y0, x1, y1) { - context.moveTo(x0, y0); - context.bezierCurveTo(x0, y0 = (y0 + y1) / 2, x1, y0, x1, y1); -} - -function curveRadial(context, x0, y0, x1, y1) { - var p0 = pointRadial(x0, y0), - p1 = pointRadial(x0, y0 = (y0 + y1) / 2), - p2 = pointRadial(x1, y0), - p3 = pointRadial(x1, y1); - context.moveTo(p0[0], p0[1]); - context.bezierCurveTo(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]); -} - function linkHorizontal() { - return link(curveHorizontal); + return link(bumpX); } function linkVertical() { - return link(curveVertical); + return link(bumpY); } function linkRadial() { - var l = link(curveRadial); + const l = link(bumpRadial); l.angle = l.x, delete l.x; l.radius = l.y, delete l.y; return l; } +const sqrt3$2 = sqrt(3); + +var asterisk = { + draw(context, size) { + const r = sqrt(size + min(size / 28, 0.75)) * 0.59436; + const t = r / 2; + const u = t * sqrt3$2; + context.moveTo(0, r); + context.lineTo(0, -r); + context.moveTo(-u, -t); + context.lineTo(u, t); + context.moveTo(-u, t); + context.lineTo(u, -t); + } +}; + var circle = { - draw: function(context, size) { - var r = Math.sqrt(size / pi); + draw(context, size) { + const r = sqrt(size / pi); context.moveTo(r, 0); context.arc(0, 0, r, 0, tau); } }; var cross = { - draw: function(context, size) { - var r = Math.sqrt(size / 5) / 2; + draw(context, size) { + const r = sqrt(size / 5) / 2; context.moveTo(-3 * r, -r); context.lineTo(-r, -r); context.lineTo(-r, -3 * r); @@ -17804,13 +18331,13 @@ var cross = { } }; -var tan30 = Math.sqrt(1 / 3), - tan30_2 = tan30 * 2; +const tan30 = sqrt(1 / 3); +const tan30_2 = tan30 * 2; var diamond = { - draw: function(context, size) { - var y = Math.sqrt(size / tan30_2), - x = y * tan30; + draw(context, size) { + const y = sqrt(size / tan30_2); + const x = y * tan30; context.moveTo(0, -y); context.lineTo(x, 0); context.lineTo(0, y); @@ -17819,22 +18346,62 @@ var diamond = { } }; -var ka = 0.89081309152928522810, - kr = Math.sin(pi / 10) / Math.sin(7 * pi / 10), - kx = Math.sin(tau / 10) * kr, - ky = -Math.cos(tau / 10) * kr; +var diamond2 = { + draw(context, size) { + const r = sqrt(size) * 0.62625; + context.moveTo(0, -r); + context.lineTo(r, 0); + context.lineTo(0, r); + context.lineTo(-r, 0); + context.closePath(); + } +}; + +var plus = { + draw(context, size) { + const r = sqrt(size - min(size / 7, 2)) * 0.87559; + context.moveTo(-r, 0); + context.lineTo(r, 0); + context.moveTo(0, r); + context.lineTo(0, -r); + } +}; + +var square = { + draw(context, size) { + const w = sqrt(size); + const x = -w / 2; + context.rect(x, x, w, w); + } +}; + +var square2 = { + draw(context, size) { + const r = sqrt(size) * 0.4431; + context.moveTo(r, r); + context.lineTo(r, -r); + context.lineTo(-r, -r); + context.lineTo(-r, r); + context.closePath(); + } +}; + +const ka = 0.89081309152928522810; +const kr = sin(pi / 10) / sin(7 * pi / 10); +const kx = sin(tau / 10) * kr; +const ky = -cos(tau / 10) * kr; var star = { - draw: function(context, size) { - var r = Math.sqrt(size * ka), - x = kx * r, - y = ky * r; + draw(context, size) { + const r = sqrt(size * ka); + const x = kx * r; + const y = ky * r; context.moveTo(0, -r); context.lineTo(x, y); - for (var i = 1; i < 5; ++i) { - var a = tau * i / 5, - c = Math.cos(a), - s = Math.sin(a); + for (let i = 1; i < 5; ++i) { + const a = tau * i / 5; + const c = cos(a); + const s = sin(a); context.lineTo(s * r, -c * r); context.lineTo(c * x - s * y, s * x + c * y); } @@ -17842,40 +18409,43 @@ var star = { } }; -var square = { - draw: function(context, size) { - var w = Math.sqrt(size), - x = -w / 2; - context.rect(x, x, w, w); +const sqrt3$1 = sqrt(3); + +var triangle = { + draw(context, size) { + const y = -sqrt(size / (sqrt3$1 * 3)); + context.moveTo(0, y * 2); + context.lineTo(-sqrt3$1 * y, -y); + context.lineTo(sqrt3$1 * y, -y); + context.closePath(); } }; -var sqrt3 = Math.sqrt(3); +const sqrt3 = sqrt(3); -var triangle = { - draw: function(context, size) { - var y = -Math.sqrt(size / (sqrt3 * 3)); - context.moveTo(0, y * 2); - context.lineTo(-sqrt3 * y, -y); - context.lineTo(sqrt3 * y, -y); +var triangle2 = { + draw(context, size) { + const s = sqrt(size) * 0.6824; + const t = s / 2; + const u = (s * sqrt3) / 2; // cos(Math.PI / 6) + context.moveTo(0, -s); + context.lineTo(u, t); + context.lineTo(-u, t); context.closePath(); } }; -var c = -0.5, - s = Math.sqrt(3) / 2, - k = 1 / Math.sqrt(12), - a = (k / 2 + 1) * 3; +const c = -0.5; +const s = sqrt(3) / 2; +const k = 1 / sqrt(12); +const a = (k / 2 + 1) * 3; var wye = { - draw: function(context, size) { - var r = Math.sqrt(size / a), - x0 = r / 2, - y0 = r * k, - x1 = x0, - y1 = r * k + r, - x2 = -x1, - y2 = y1; + draw(context, size) { + const r = sqrt(size / a); + const x0 = r / 2, y0 = r * k; + const x1 = x0, y1 = r * k + r; + const x2 = -x1, y2 = y1; context.moveTo(x0, y0); context.lineTo(x1, y1); context.lineTo(x2, y2); @@ -17889,7 +18459,18 @@ var wye = { } }; -var symbols = [ +var times = { + draw(context, size) { + const r = sqrt(size - min(size / 6, 1.7)) * 0.6189; + context.moveTo(-r, -r); + context.lineTo(r, r); + context.moveTo(-r, r); + context.lineTo(r, -r); + } +}; + +// These symbols are designed to be filled. +const symbolsFill = [ circle, cross, diamond, @@ -17899,13 +18480,26 @@ var symbols = [ wye ]; -function symbol(type, size) { - var context = null; +// These symbols are designed to be stroked (with a width of 1.5px and round caps). +const symbolsStroke = [ + circle, + plus, + times, + triangle2, + asterisk, + square2, + diamond2 +]; + +function Symbol$1(type, size) { + let context = null, + path = withPath(symbol); + type = typeof type === "function" ? type : constant$1(type || circle); size = typeof size === "function" ? size : constant$1(size === undefined ? 64 : +size); function symbol() { - var buffer; + let buffer; if (!context) context = buffer = path(); type.apply(this, arguments).draw(context, +size.apply(this, arguments)); if (buffer) return context = null, buffer + "" || null; @@ -18068,52 +18662,6 @@ function basisOpen(context) { return new BasisOpen(context); } -class Bump { - constructor(context, x) { - this._context = context; - this._x = x; - } - areaStart() { - this._line = 0; - } - areaEnd() { - this._line = NaN; - } - lineStart() { - this._point = 0; - } - lineEnd() { - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - } - point(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: { - this._point = 1; - if (this._line) this._context.lineTo(x, y); - else this._context.moveTo(x, y); - break; - } - case 1: this._point = 2; // falls through - default: { - if (this._x) this._context.bezierCurveTo(this._x0 = (this._x0 + x) / 2, this._y0, this._x0, y, x, y); - else this._context.bezierCurveTo(this._x0, this._y0 = (this._y0 + y) / 2, x, this._y0, x, y); - break; - } - } - this._x0 = x, this._y0 = y; - } -} - -function bumpX(context) { - return new Bump(context, true); -} - -function bumpY(context) { - return new Bump(context, false); -} - function Bundle(context, beta) { this._basis = new Basis(context); this._beta = beta; @@ -19507,6 +20055,7 @@ exports.FormatSpecifier = FormatSpecifier; exports.InternMap = InternMap; exports.InternSet = InternSet; exports.Node = Node$1; +exports.Path = Path$1; exports.Voronoi = Voronoi; exports.ZoomTransform = Transform; exports.active = active; @@ -19520,12 +20069,15 @@ exports.axisLeft = axisLeft; exports.axisRight = axisRight; exports.axisTop = axisTop; exports.bin = bin; -exports.bisect = bisectRight; +exports.bisect = bisect; exports.bisectCenter = bisectCenter; exports.bisectLeft = bisectLeft; exports.bisectRight = bisectRight; exports.bisector = bisector; exports.blob = blob; +exports.blur = blur; +exports.blur2 = blur2; +exports.blurImage = blurImage; exports.brush = brush; exports.brushSelection = brushSelection; exports.brushX = brushX; @@ -19537,7 +20089,7 @@ exports.chordTranspose = chordTranspose; exports.cluster = cluster; exports.color = color; exports.contourDensity = density; -exports.contours = contours; +exports.contours = Contours; exports.count = count$1; exports.create = create$1; exports.creator = creator; @@ -19646,7 +20198,7 @@ exports.geoAzimuthalEquidistant = azimuthalEquidistant; exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; exports.geoBounds = bounds; exports.geoCentroid = centroid$1; -exports.geoCircle = circle$2; +exports.geoCircle = circle$1; exports.geoClipAntimeridian = clipAntimeridian; exports.geoClipCircle = clipCircle; exports.geoClipExtent = extent; @@ -19766,8 +20318,8 @@ exports.interpolateZoom = interpolateZoom; exports.interrupt = interrupt; exports.intersection = intersection; exports.interval = interval; -exports.isoFormat = formatIso; -exports.isoParse = parseIso; +exports.isoFormat = formatIso$1; +exports.isoParse = parseIso$1; exports.json = json; exports.lab = lab$1; exports.lch = lch; @@ -19775,6 +20327,7 @@ exports.least = least; exports.leastIndex = leastIndex; exports.line = line; exports.lineRadial = lineRadial$1; +exports.link = link; exports.linkHorizontal = linkHorizontal; exports.linkRadial = linkRadial; exports.linkVertical = linkVertical; @@ -19785,6 +20338,7 @@ exports.max = max$3; exports.maxIndex = maxIndex; exports.mean = mean; exports.median = median; +exports.medianIndex = medianIndex; exports.merge = merge; exports.min = min$2; exports.minIndex = minIndex; @@ -19799,6 +20353,7 @@ exports.packSiblings = siblings; exports.pairs = pairs; exports.partition = partition; exports.path = path; +exports.pathRound = pathRound; exports.permute = permute; exports.pie = pie; exports.piecewise = piecewise; @@ -19815,6 +20370,7 @@ exports.precisionPrefix = precisionPrefix; exports.precisionRound = precisionRound; exports.quadtree = quadtree; exports.quantile = quantile$1; +exports.quantileIndex = quantileIndex; exports.quantileSorted = quantileSorted; exports.quantize = quantize$1; exports.quickselect = quickselect; @@ -19838,7 +20394,8 @@ exports.randomPareto = pareto; exports.randomPoisson = poisson; exports.randomUniform = uniform; exports.randomWeibull = weibull; -exports.range = sequence; +exports.range = range$2; +exports.rank = rank; exports.reduce = reduce; exports.reverse = reverse$1; exports.rgb = rgb; @@ -19938,58 +20495,67 @@ exports.subset = subset; exports.sum = sum$2; exports.superset = superset; exports.svg = svg; -exports.symbol = symbol; +exports.symbol = Symbol$1; +exports.symbolAsterisk = asterisk; exports.symbolCircle = circle; exports.symbolCross = cross; exports.symbolDiamond = diamond; +exports.symbolDiamond2 = diamond2; +exports.symbolPlus = plus; exports.symbolSquare = square; +exports.symbolSquare2 = square2; exports.symbolStar = star; +exports.symbolTimes = times; exports.symbolTriangle = triangle; +exports.symbolTriangle2 = triangle2; exports.symbolWye = wye; -exports.symbols = symbols; +exports.symbolX = times; +exports.symbols = symbolsFill; +exports.symbolsFill = symbolsFill; +exports.symbolsStroke = symbolsStroke; exports.text = text; -exports.thresholdFreedmanDiaconis = freedmanDiaconis; -exports.thresholdScott = scott; +exports.thresholdFreedmanDiaconis = thresholdFreedmanDiaconis; +exports.thresholdScott = thresholdScott; exports.thresholdSturges = thresholdSturges; exports.tickFormat = tickFormat; exports.tickIncrement = tickIncrement; exports.tickStep = tickStep; exports.ticks = ticks; -exports.timeDay = day; -exports.timeDays = days; +exports.timeDay = timeDay; +exports.timeDays = timeDays; exports.timeFormatDefaultLocale = defaultLocale; exports.timeFormatLocale = formatLocale; -exports.timeFriday = friday; -exports.timeFridays = fridays; -exports.timeHour = hour; -exports.timeHours = hours; -exports.timeInterval = newInterval; +exports.timeFriday = timeFriday; +exports.timeFridays = timeFridays; +exports.timeHour = timeHour; +exports.timeHours = timeHours; +exports.timeInterval = timeInterval; exports.timeMillisecond = millisecond; exports.timeMilliseconds = milliseconds; -exports.timeMinute = minute; -exports.timeMinutes = minutes; -exports.timeMonday = monday; -exports.timeMondays = mondays; -exports.timeMonth = month; -exports.timeMonths = months; -exports.timeSaturday = saturday; -exports.timeSaturdays = saturdays; +exports.timeMinute = timeMinute; +exports.timeMinutes = timeMinutes; +exports.timeMonday = timeMonday; +exports.timeMondays = timeMondays; +exports.timeMonth = timeMonth; +exports.timeMonths = timeMonths; +exports.timeSaturday = timeSaturday; +exports.timeSaturdays = timeSaturdays; exports.timeSecond = second; exports.timeSeconds = seconds; -exports.timeSunday = sunday; -exports.timeSundays = sundays; -exports.timeThursday = thursday; -exports.timeThursdays = thursdays; +exports.timeSunday = timeSunday; +exports.timeSundays = timeSundays; +exports.timeThursday = timeThursday; +exports.timeThursdays = timeThursdays; exports.timeTickInterval = timeTickInterval; exports.timeTicks = timeTicks; -exports.timeTuesday = tuesday; -exports.timeTuesdays = tuesdays; -exports.timeWednesday = wednesday; -exports.timeWednesdays = wednesdays; -exports.timeWeek = sunday; -exports.timeWeeks = sundays; -exports.timeYear = year; -exports.timeYears = years; +exports.timeTuesday = timeTuesday; +exports.timeTuesdays = timeTuesdays; +exports.timeWednesday = timeWednesday; +exports.timeWednesdays = timeWednesdays; +exports.timeWeek = timeSunday; +exports.timeWeeks = timeSundays; +exports.timeYear = timeYear; +exports.timeYears = timeYears; exports.timeout = timeout; exports.timer = timer; exports.timerFlush = timerFlush; @@ -20012,6 +20578,8 @@ exports.tsvFormatValue = tsvFormatValue; exports.tsvParse = tsvParse; exports.tsvParseRows = tsvParseRows; exports.union = union; +exports.unixDay = unixDay; +exports.unixDays = unixDays; exports.utcDay = utcDay; exports.utcDays = utcDays; exports.utcFriday = utcFriday; @@ -20053,6 +20621,4 @@ exports.zoom = zoom; exports.zoomIdentity = identity; exports.zoomTransform = transform; -Object.defineProperty(exports, '__esModule', { value: true }); - -}))); +})); diff --git a/app/assets/javascripts/d3.v7.min.js b/app/assets/javascripts/d3.v7.min.js index d9ff278..8d56002 100644 --- a/app/assets/javascripts/d3.v7.min.js +++ b/app/assets/javascripts/d3.v7.min.js @@ -1,2 +1,2 @@ -// https://d3js.org v7.0.0 Copyright 2010-2021 Mike Bostock -!function(t,n){"object"==typeof exports&&"undefined"!=typeof module?n(exports):"function"==typeof define&&define.amd?define(["exports"],n):n((t="undefined"!=typeof globalThis?globalThis:t||self).d3=t.d3||{})}(this,(function(t){"use strict";function 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2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Am(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Sm.prototype={areaStart:Mm,areaEnd:Mm,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Am(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Em.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Am(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};class 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3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Im(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Lm=function t(n){function e(t){return n?new Ym(t,n):new qm(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);function 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arguments.length?n(Gm(t)):n()._curve},t}function Km(t,n){return[(n=+n)*Math.cos(t-=Math.PI/2),n*Math.sin(t)]}Xm.prototype={areaStart:function(){this._curve.areaStart()},areaEnd:function(){this._curve.areaEnd()},lineStart:function(){this._curve.lineStart()},lineEnd:function(){this._curve.lineEnd()},point:function(t,n){this._curve.point(n*Math.sin(t),n*-Math.cos(t))}};class Qm{constructor(t,n){this._context=t,this._x=n}areaStart(){this._line=0}areaEnd(){this._line=NaN}lineStart(){this._point=0}lineEnd(){(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line}point(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:this._x?this._context.bezierCurveTo(this._x0=(this._x0+t)/2,this._y0,this._x0,n,t,n):this._context.bezierCurveTo(this._x0,this._y0=(this._y0+n)/2,t,this._y0,t,n)}this._x0=t,this._y0=n}}class Jm{constructor(t){this._context=t}lineStart(){this._point=0}lineEnd(){}point(t,n){if(t=+t,n=+n,0===this._point)this._point=1;else{const e=Km(this._x0,this._y0),r=Km(this._x0,this._y0=(this._y0+n)/2),i=Km(t,this._y0),o=Km(t,n);this._context.moveTo(...e),this._context.bezierCurveTo(...r,...i,...o)}this._x0=t,this._y0=n}}function tx(t){return new Qm(t,!0)}function nx(t){return new Qm(t,!1)}function ex(t){return new Jm(t)}function rx(t){return t.source}function ix(t){return t.target}function ox(t){let n=rx,e=ix,r=Im,i=Om,o=null,a=null,u=Nm(c);function c(){let c;const f=Rm.call(arguments),s=n.apply(this,f),l=e.apply(this,f);if(null==o&&(a=t(c=u())),a.lineStart(),f[0]=s,a.point(+r.apply(this,f),+i.apply(this,f)),f[0]=l,a.point(+r.apply(this,f),+i.apply(this,f)),a.lineEnd(),c)return a=null,c+""||null}return c.source=function(t){return arguments.length?(n=t,c):n},c.target=function(t){return arguments.length?(e=t,c):e},c.x=function(t){return arguments.length?(r="function"==typeof t?t:gm(+t),c):r},c.y=function(t){return arguments.length?(i="function"==typeof t?t:gm(+t),c):i},c.context=function(n){return arguments.length?(null==n?o=a=null:a=t(o=n),c):o},c}const ax=wm(3);var ux={draw(t,n){const e=.59436*wm(n+mm(n/28,.75)),r=e/2,i=r*ax;t.moveTo(0,e),t.lineTo(0,-e),t.moveTo(-i,-r),t.lineTo(i,r),t.moveTo(-i,r),t.lineTo(i,-r)}},cx={draw(t,n){const e=wm(n/Tm);t.moveTo(e,0),t.arc(0,0,e,0,Sm)}},fx={draw(t,n){const e=wm(n/5)/2;t.moveTo(-3*e,-e),t.lineTo(-e,-e),t.lineTo(-e,-3*e),t.lineTo(e,-3*e),t.lineTo(e,-e),t.lineTo(3*e,-e),t.lineTo(3*e,e),t.lineTo(e,e),t.lineTo(e,3*e),t.lineTo(-e,3*e),t.lineTo(-e,e),t.lineTo(-3*e,e),t.closePath()}};const sx=wm(1/3),lx=2*sx;var hx={draw(t,n){const e=wm(n/lx),r=e*sx;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},dx={draw(t,n){const e=.62625*wm(n);t.moveTo(0,-e),t.lineTo(e,0),t.lineTo(0,e),t.lineTo(-e,0),t.closePath()}},px={draw(t,n){const e=.87559*wm(n-mm(n/7,2));t.moveTo(-e,0),t.lineTo(e,0),t.moveTo(0,e),t.lineTo(0,-e)}},gx={draw(t,n){const e=wm(n),r=-e/2;t.rect(r,r,e,e)}},yx={draw(t,n){const e=.4431*wm(n);t.moveTo(e,e),t.lineTo(e,-e),t.lineTo(-e,-e),t.lineTo(-e,e),t.closePath()}};const vx=xm(Tm/10)/xm(7*Tm/10),_x=xm(Sm/10)*vx,bx=-_m(Sm/10)*vx;var mx={draw(t,n){const e=wm(.8908130915292852*n),r=_x*e,i=bx*e;t.moveTo(0,-e),t.lineTo(r,i);for(let n=1;n<5;++n){const o=Sm*n/5,a=_m(o),u=xm(o);t.lineTo(u*e,-a*e),t.lineTo(a*r-u*i,u*r+a*i)}t.closePath()}};const xx=wm(3);var wx={draw(t,n){const e=-wm(n/(3*xx));t.moveTo(0,2*e),t.lineTo(-xx*e,-e),t.lineTo(xx*e,-e),t.closePath()}};const Mx=wm(3);var Tx={draw(t,n){const e=.6824*wm(n),r=e/2,i=e*Mx/2;t.moveTo(0,-e),t.lineTo(i,r),t.lineTo(-i,r),t.closePath()}};const Ax=-.5,Sx=wm(3)/2,Ex=1/wm(12),Nx=3*(Ex/2+1);var kx={draw(t,n){const e=wm(n/Nx),r=e/2,i=e*Ex,o=r,a=e*Ex+e,u=-o,c=a;t.moveTo(r,i),t.lineTo(o,a),t.lineTo(u,c),t.lineTo(Ax*r-Sx*i,Sx*r+Ax*i),t.lineTo(Ax*o-Sx*a,Sx*o+Ax*a),t.lineTo(Ax*u-Sx*c,Sx*u+Ax*c),t.lineTo(Ax*r+Sx*i,Ax*i-Sx*r),t.lineTo(Ax*o+Sx*a,Ax*a-Sx*o),t.lineTo(Ax*u+Sx*c,Ax*c-Sx*u),t.closePath()}},Cx={draw(t,n){const e=.6189*wm(n-mm(n/6,1.7));t.moveTo(-e,-e),t.lineTo(e,e),t.moveTo(-e,e),t.lineTo(e,-e)}};const Px=[cx,fx,hx,gx,mx,wx,kx],zx=[cx,px,Cx,Tx,ux,yx,dx];function $x(){}function Dx(t,n,e){t._context.bezierCurveTo((2*t._x0+t._x1)/3,(2*t._y0+t._y1)/3,(t._x0+2*t._x1)/3,(t._y0+2*t._y1)/3,(t._x0+4*t._x1+n)/6,(t._y0+4*t._y1+e)/6)}function Rx(t){this._context=t}function Fx(t){this._context=t}function qx(t){this._context=t}function Ux(t,n){this._basis=new Rx(t),this._beta=n}Rx.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 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3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Dx(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},qx.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Dx(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Ux.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var r,i=t[0],o=n[0],a=t[e]-i,u=n[e]-o,c=-1;++c<=e;)r=c/e,this._basis.point(this._beta*t[c]+(1-this._beta)*(i+r*a),this._beta*n[c]+(1-this._beta)*(o+r*u));this._x=this._y=null,this._basis.lineEnd()},point:function(t,n){this._x.push(+t),this._y.push(+n)}};var Ix=function t(n){function e(t){return 1===n?new Rx(t):new Ux(t,n)}return e.beta=function(n){return t(+n)},e}(.85);function Ox(t,n,e){t._context.bezierCurveTo(t._x1+t._k*(t._x2-t._x0),t._y1+t._k*(t._y2-t._y0),t._x2+t._k*(t._x1-n),t._y2+t._k*(t._y1-e),t._x2,t._y2)}function Bx(t,n){this._context=t,this._k=(1-n)/6}Bx.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:Ox(this,this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2,this._x1=t,this._y1=n;break;case 2:this._point=3;default:Ox(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Yx=function t(n){function e(t){return new Bx(t,n)}return e.tension=function(n){return t(+n)},e}(0);function Lx(t,n){this._context=t,this._k=(1-n)/6}Lx.prototype={areaStart:$x,areaEnd:$x,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Ox(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var jx=function t(n){function e(t){return new Lx(t,n)}return e.tension=function(n){return t(+n)},e}(0);function 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